gcc/configure.in

   1 # configure.in for GNU CC
   2 # Process this file with autoconf to generate a configuration script.
   3
   4 # Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
   5
   6 #This file is part of GNU CC.
   7
   8 #GNU CC is free software; you can redistribute it and/or modify
   9 #it under the terms of the GNU General Public License as published by
  10 #the Free Software Foundation; either version 2, or (at your option)
  11 #any later version.
  12
  13 #GNU CC is distributed in the hope that it will be useful,
  14 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #GNU General Public License for more details.
  17
  18 #You should have received a copy of the GNU General Public License
  19 #along with GNU CC; see the file COPYING.  If not, write to
  20 #the Free Software Foundation, 59 Temple Place - Suite 330,
  21 #Boston, MA 02111-1307, USA.
  22
  23 # Initialization and defaults
  24 AC_PREREQ(2.13)
  25 AC_INIT(tree.c)
  26 AC_CONFIG_HEADER(auto-host.h:config.in)
  27
  28 remove=rm
  29 hard_link=ln
  30 symbolic_link='ln -s'
  31 copy=cp
  32
  33 # Check for bogus environment variables.
  34 # Test if LIBRARY_PATH contains the notation for the current directory
  35 # since this would lead to problems installing/building glibc.
  36 # LIBRARY_PATH contains the current directory if one of the following
  37 # is true:
  38 # - one of the terminals (":" and ";") is the first or last sign
  39 # - two terminals occur directly after each other
  40 # - the path contains an element with a dot in it
  41 AC_MSG_CHECKING(LIBRARY_PATH variable)
  42 changequote(,)dnl
  43 case ${LIBRARY_PATH} in
  44   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
  45     library_path_setting="contains current directory"
  46     ;;
  47   *)
  48     library_path_setting="ok"
  49     ;;
  50 esac
  51 changequote([,])dnl
  52 AC_MSG_RESULT($library_path_setting)
  53 if test "$library_path_setting" != "ok"; then
  54 AC_MSG_ERROR([
  55 *** LIBRARY_PATH shouldn't contain the current directory when
  56 *** building gcc. Please change the environment variable
  57 *** and run configure again.])
  58 fi
  59
  60 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
  61 # since this would lead to problems installing/building glibc.
  62 # GCC_EXEC_PREFIX contains the current directory if one of the following
  63 # is true:
  64 # - one of the terminals (":" and ";") is the first or last sign
  65 # - two terminals occur directly after each other
  66 # - the path contains an element with a dot in it
  67 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
  68 changequote(,)dnl
  69 case ${GCC_EXEC_PREFIX} in
  70   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
  71     gcc_exec_prefix_setting="contains current directory"
  72     ;;
  73   *)
  74     gcc_exec_prefix_setting="ok"
  75     ;;
  76 esac
  77 changequote([,])dnl
  78 AC_MSG_RESULT($gcc_exec_prefix_setting)
  79 if test "$gcc_exec_prefix_setting" != "ok"; then
  80 AC_MSG_ERROR([
  81 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
  82 *** building gcc. Please change the environment variable
  83 *** and run configure again.])
  84 fi
  85
  86 # Check for additional parameters
  87
  88 # With GNU ld
  89 AC_ARG_WITH(gnu-ld,
  90 [  --with-gnu-ld           arrange to work with GNU ld.],
  91 gnu_ld_flag="$with_gnu_ld",
  92 gnu_ld_flag=no)
  93
  94 # With pre-defined ld
  95 AC_ARG_WITH(ld,
  96 [  --with-ld               arrange to use the specified ld (full pathname).],
  97 DEFAULT_LINKER="$with_ld")
  98 if test x"${DEFAULT_LINKER+set}" = x"set"; then
  99   if test ! -x "$DEFAULT_LINKER"; then
 100     AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
 101   elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
 102     gnu_ld_flag=yes
 103   fi
 104   AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
 105         [Define to enable the use of a default linker.])
 106 fi
 107
 108 # With GNU as
 109 AC_ARG_WITH(gnu-as,
 110 [  --with-gnu-as           arrange to work with GNU as.],
 111 gas_flag="$with_gnu_as",
 112 gas_flag=no)
 113
 114 AC_ARG_WITH(as,
 115 [  --with-as               arrange to use the specified as (full pathname).],
 116 DEFAULT_ASSEMBLER="$with_as")
 117 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
 118   if test ! -x "$DEFAULT_ASSEMBLER"; then
 119     AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
 120   elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
 121     gas_flag=yes
 122   fi
 123   AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
 124         [Define to enable the use of a default assembler.])
 125 fi
 126
 127 # With stabs
 128 AC_ARG_WITH(stabs,
 129 [  --with-stabs            arrange to use stabs instead of host debug format.],
 130 stabs="$with_stabs",
 131 stabs=no)
 132
 133 # With ELF
 134 AC_ARG_WITH(elf,
 135 [  --with-elf              arrange to use ELF instead of host debug format.],
 136 elf="$with_elf",
 137 elf=no)
 138
 139 # Specify the local prefix
 140 local_prefix=
 141 AC_ARG_WITH(local-prefix,
 142 [  --with-local-prefix=DIR specifies directory to put local include.],
 143 [case "${withval}" in
 144 yes)    AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
 145 no)     ;;
 146 *)      local_prefix=$with_local_prefix ;;
 147 esac])
 148
 149 # Default local prefix if it is empty
 150 if test x$local_prefix = x; then
 151         local_prefix=/usr/local
 152 fi
 153
 154 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
 155 # passed in by the toplevel make and thus we'd get different behavior
 156 # depending on where we built the sources.
 157 gcc_gxx_include_dir=
 158 # Specify the g++ header file directory
 159 AC_ARG_WITH(gxx-include-dir,
 160 [  --with-gxx-include-dir=DIR
 161                           specifies directory to put g++ header files.],
 162 [case "${withval}" in
 163 yes)    AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
 164 no)     ;;
 165 *)      gcc_gxx_include_dir=$with_gxx_include_dir ;;
 166 esac])
 167
 168 if test x${gcc_gxx_include_dir} = x; then
 169   if test x${enable_version_specific_runtime_libs} = xyes; then
 170     gcc_gxx_include_dir='${libsubdir}/include/g++'
 171   else
 172     topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
 173 changequote(<<, >>)dnl
 174     gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/g++"-${libstdcxx_interface}
 175 changequote([, ])dnl
 176   fi
 177 fi
 178
 179 # Enable expensive internal checks
 180 AC_ARG_ENABLE(checking,
 181 [  --enable-checking[=LIST]
 182                           enable expensive run-time checks.  With LIST,
 183                           enable only specific categories of checks.
 184                           Categories are: misc,tree,rtl,gc,gcac; default
 185                           is misc,tree,rtl],
 186 [ac_checking=
 187 ac_tree_checking=
 188 ac_rtl_checking=
 189 ac_gc_checking=
 190 ac_gc_always_collect=
 191 case "${enableval}" in
 192 yes)    ac_checking=1 ; ac_tree_checking=1 ; ac_rtl_checking=1 ;;
 193 no)     ;;
 194 *)      IFS="${IFS=     }"; ac_save_IFS="$IFS" IFS="$IFS,"
 195         set fnord $enableval; shift
 196         IFS="$ac_save_IFS"
 197         for check
 198         do
 199                 case $check in
 200                 misc)   ac_checking=1 ;;
 201                 tree)   ac_tree_checking=1 ;;
 202                 rtl)    ac_rtl_checking=1 ;;
 203                 gc)     ac_gc_checking=1 ;;
 204                 gcac)   ac_gc_always_collect=1 ;;
 205                 *)      AC_MSG_ERROR(unknown check category $check) ;;
 206                 esac
 207         done
 208         ;;
 209 esac
 210 if test x$ac_checking != x ; then
 211   AC_DEFINE(ENABLE_CHECKING, 1,
 212 [Define if you want more run-time sanity checks.  This one gets a grab
 213    bag of miscellaneous but relatively cheap checks.])
 214 fi
 215 if test x$ac_tree_checking != x ; then
 216   AC_DEFINE(ENABLE_TREE_CHECKING, 1,
 217 [Define if you want all operations on trees (the basic data
 218    structure of the front ends) to be checked for dynamic type safety
 219    at runtime.  This is moderately expensive.])
 220 fi
 221 if test x$ac_rtl_checking != x ; then
 222   AC_DEFINE(ENABLE_RTL_CHECKING, 1,
 223 [Define if you want all operations on RTL (the basic data structure
 224    of the optimizer and back end) to be checked for dynamic type safety
 225    at runtime.  This is quite expensive.])
 226 fi
 227 if test x$ac_gc_checking != x ; then
 228   AC_DEFINE(ENABLE_GC_CHECKING, 1,
 229 [Define if you want the garbage collector to do object poisoning and
 230    other memory allocation checks.  This is quite expensive.])
 231 fi
 232 if test x$ac_gc_always_collect != x ; then
 233   AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
 234 [Define if you want the garbage collector to operate in maximally
 235    paranoid mode, validating the entire heap and collecting garbage at
 236    every opportunity.  This is extremely expensive.])
 237 fi
 238 ])
 239
 240 AC_ARG_ENABLE(cpp,
 241 [  --disable-cpp           don't provide a user-visible C preprocessor.],
 242 [], [enable_cpp=yes])
 243
 244 AC_ARG_WITH(cpp_install_dir,
 245 [  --with-cpp-install-dir=DIR
 246                           install the user visible C preprocessor in DIR
 247                           (relative to PREFIX) as well as PREFIX/bin.],
 248 [if test x$withval = xyes; then
 249   AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
 250 elif test x$withval != xno; then
 251   cpp_install_dir=$withval
 252 fi])
 253
 254 dnl Disable this for the moment; the library interface is changing.
 255 dnl # Link cpplib into the compiler proper, for C/C++/ObjC.
 256 dnl AC_ARG_ENABLE(c-cpplib,
 257 dnl [  --enable-c-cpplib       link cpplib directly into C and C++ compilers
 258 dnl                           (EXPERIMENTAL) (implies --enable-cpplib).],
 259 dnl if test x$enable_c_cpplib != xno; then
 260 dnl  extra_c_objs="${extra_c_objs} libcpp.a"
 261 dnl  extra_cxx_objs="${extra_cxx_objs} ../libcpp.a"
 262 dnl  extra_c_flags="${extra_c_flags} -DUSE_CPPLIB=1"
 263 dnl fi)
 264
 265 # Enable Multibyte Characters for C/C++
 266 AC_ARG_ENABLE(c-mbchar,
 267 [  --enable-c-mbchar       Enable multibyte characters for C and C++.],
 268 if test x$enable_c_mbchar != xno; then
 269   extra_c_flags="${extra_c_flags} -DMULTIBYTE_CHARS=1"
 270 fi)
 271
 272 # Enable threads
 273 # Pass with no value to take the default
 274 # Pass with a value to specify a thread package
 275 AC_ARG_ENABLE(threads,
 276 [  --enable-threads        enable thread usage for target GCC.
 277   --enable-threads=LIB    use LIB thread package for target GCC.],
 278 if test x$enable_threads = xno; then
 279         enable_threads=''
 280 fi,
 281 enable_threads='')
 282
 283 enable_threads_flag=$enable_threads
 284 # Check if a valid thread package
 285 case x${enable_threads_flag} in
 286         x | xno)
 287                 # No threads
 288                 target_thread_file='single'
 289                 ;;
 290         xyes)
 291                 # default
 292                 target_thread_file=''
 293                 ;;
 294         xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
 295         xsolaris | xwin32 | xdce | xvxworks)
 296                 target_thread_file=$enable_threads_flag
 297                 ;;
 298         *)
 299                 echo "$enable_threads is an unknown thread package" 1>&2
 300                 exit 1
 301                 ;;
 302 esac
 303
 304 AC_ARG_ENABLE(objc-gc,
 305 [  --enable-objc-gc       enable the use of Boehm's garbage collector with
 306                           the GNU Objective-C runtime.],
 307 if test x$enable_objc_gc = xno; then
 308         objc_boehm_gc=''
 309 else
 310         objc_boehm_gc=1
 311 fi,
 312 objc_boehm_gc='')
 313
 314 AC_ARG_WITH(dwarf2,
 315 [  --with-dwarf2          force the default debug format to be DWARF2.],
 316 dwarf2="$with_dwarf2",
 317 dwarf2=no)
 318
 319 # Determine the host, build, and target systems
 320 AC_CANONICAL_SYSTEM
 321
 322 # Find the native compiler
 323 AC_PROG_CC
 324 AC_PROG_CC_C_O
 325 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
 326   NO_MINUS_C_MINUS_O=yes
 327 fi
 328 AC_SUBST(NO_MINUS_C_MINUS_O)
 329
 330 gcc_AC_C_LONG_DOUBLE
 331
 332 AC_MSG_CHECKING(whether ${CC-cc} accepts -Wno-long-long)
 333 echo 'void f(){}' > conftest.c
 334 if test -z "`${CC-cc} -Wno-long-long -c conftest.c 2>&1`"; then
 335   ac_cv_prog_cc_no_long_long=yes
 336 else
 337   ac_cv_prog_cc_no_long_long=no
 338 fi
 339 rm -f conftest*
 340 echo "$ac_t"$ac_cv_prog_cc_no_long_long 1>&6
 341
 342 # If the native compiler is GCC, we can enable warnings even in stage1.
 343 # That's useful for people building cross-compilers, or just running a
 344 # quick `make'.
 345 stage1_warn_cflags=" -W -Wall -Wtraditional -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes"
 346 stage2_warn_cflags="$stage1_warn_cflags -pedantic -Wno-long-long"
 347 if test "x$GCC" = "xyes"; then
 348   if test $ac_cv_prog_cc_no_long_long = yes; then
 349     stage1_warn_cflags="$stage1_warn_cflags -pedantic -Wno-long-long"
 350   fi
 351 else
 352   stage1_warn_cflags=""
 353 fi
 354 AC_SUBST(stage1_warn_cflags)
 355 AC_SUBST(stage2_warn_cflags)
 356
 357 AC_PROG_MAKE_SET
 358
 359 AC_MSG_CHECKING([whether a default assembler was specified])
 360 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
 361     if test x"$gas_flag" = x"no"; then
 362         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
 363     else
 364         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
 365     fi
 366 else
 367     AC_MSG_RESULT(no)
 368 fi
 369
 370 AC_MSG_CHECKING([whether a default linker was specified])
 371 if test x"${DEFAULT_LINKER+set}" = x"set"; then
 372     if test x"$gnu_ld_flag" = x"no"; then
 373         AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
 374     else
 375         AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
 376     fi
 377 else
 378     AC_MSG_RESULT(no)
 379 fi
 380
 381 # Find some useful tools
 382 AC_PROG_AWK
 383 AC_PROG_LEX
 384 gcc_AC_PROG_LN
 385 gcc_AC_PROG_LN_S
 386 gcc_AC_C_VOLATILE
 387 AC_PROG_RANLIB
 388 AC_PROG_YACC
 389 gcc_AC_PROG_INSTALL
 390
 391 AC_HEADER_STDC
 392 AC_HEADER_TIME
 393 gcc_AC_HEADER_STRING
 394 AC_HEADER_SYS_WAIT
 395 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
 396                  fcntl.h unistd.h stab.h sys/file.h sys/time.h \
 397                  sys/resource.h sys/param.h sys/times.h sys/stat.h \
 398                  direct.h malloc.h)
 399
 400 # Check for thread headers.
 401 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
 402 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
 403
 404 # See if GNAT has been installed
 405 AC_CHECK_PROG(gnat, gnatbind, yes, no)
 406
 407 # Do we have a single-tree copy of texinfo?
 408 if test -f $srcdir/../texinfo/Makefile.in; then
 409   MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
 410   gcc_cv_prog_makeinfo_modern=yes
 411   AC_MSG_RESULT([Using makeinfo from the unified source tree.])
 412 else
 413   # See if makeinfo has been installed and is modern enough
 414   # that we can use it.
 415   gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
 416   [GNU texinfo.* \([0-9][0-9.]*\)],
 417   [3.1[2-9] | 3.[2-9][0-9] | 4.* | 1.6[89] | 1.7[0-9]])
 418 fi
 419
 420 if test $gcc_cv_prog_makeinfo_modern = no; then
 421   AC_MSG_WARN([
 422 *** Makeinfo is missing or too old.
 423 *** Info documentation will not be built or installed.])
 424   BUILD_INFO=
 425   INSTALL_INFO=
 426 else
 427   BUILD_INFO=info               AC_SUBST(BUILD_INFO)
 428   INSTALL_INFO=install-info     AC_SUBST(INSTALL_INFO)
 429 fi
 430
 431 # See if the stage1 system preprocessor understands the ANSI C
 432 # preprocessor stringification operator.
 433 AC_C_STRINGIZE
 434
 435 # Use <inttypes.h> only if it exists,
 436 # doesn't clash with <sys/types.h>, and declares intmax_t.
 437 AC_MSG_CHECKING(for inttypes.h)
 438 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
 439 [AC_TRY_COMPILE(
 440   [#include <sys/types.h>
 441 #include <inttypes.h>],
 442   [intmax_t i = -1;],
 443   [gcc_cv_header_inttypes_h=yes],
 444   gcc_cv_header_inttypes_h=no)])
 445 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
 446 if test $gcc_cv_header_inttypes_h = yes; then
 447   AC_DEFINE(HAVE_INTTYPES_H, 1,
 448         [Define if you have a working <inttypes.h> header file.])
 449 fi
 450
 451 #
 452 # Determine if enumerated bitfields are unsigned.   ISO C says they can
 453 # be either signed or unsigned.
 454 #
 455 AC_CACHE_CHECK(for unsigned enumerated bitfields, gcc_cv_enum_bf_unsigned,
 456 [AC_TRY_RUN(#include <stdlib.h>
 457 enum t { BLAH = 128 } ;
 458 struct s_t { enum t member : 8; } s ;
 459 int main(void)
 460 {
 461         s.member = BLAH;
 462         if (s.member < 0) exit(1);
 463         exit(0);
 464
 465 }, gcc_cv_enum_bf_unsigned=yes, gcc_cv_enum_bf_unsigned=no, gcc_cv_enum_bf_unsigned=yes)])
 466 if test $gcc_cv_enum_bf_unsigned = yes; then
 467   AC_DEFINE(ENUM_BITFIELDS_ARE_UNSIGNED, 1,
 468     [Define if enumerated bitfields are treated as unsigned values.])
 469 fi
 470
 471 AC_CHECK_FUNCS(strtoul bsearch putenv popen bcopy bzero bcmp \
 472         index rindex strchr strrchr kill getrlimit setrlimit atoll atoq \
 473         sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \
 474         fputs_unlocked getrusage valloc)
 475
 476 AC_CHECK_TYPE(ssize_t, int)
 477
 478 gcc_AC_FUNC_VFPRINTF_DOPRNT
 479 gcc_AC_FUNC_PRINTF_PTR
 480
 481 case "${host}" in
 482 *-*-uwin*)
 483   # Under some versions of uwin, vfork is notoriously buggy and the test
 484   # can hang configure; on other versions, vfork exists just as a stub.
 485   # FIXME: This should be removed once vfork in uwin's runtime is fixed.
 486   ac_cv_func_vfork_works=no
 487   ;;
 488 esac
 489 AC_FUNC_VFORK
 490 AC_FUNC_MMAP_ANYWHERE
 491 AC_FUNC_MMAP_FILE
 492
 493 # We will need to find libiberty.h and ansidecl.h
 494 saved_CFLAGS="$CFLAGS"
 495 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
 496 gcc_AC_CHECK_DECLS(bcopy bzero bcmp \
 497         index rindex getenv atol sbrk abort atof getcwd getwd \
 498         strsignal putc_unlocked fputs_unlocked strstr environ \
 499         malloc realloc calloc free basename getopt, , ,[
 500 #include "gansidecl.h"
 501 #include "system.h"])
 502
 503 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
 504 #include "gansidecl.h"
 505 #include "system.h"
 506 #ifdef HAVE_SYS_RESOURCE_H
 507 #include <sys/resource.h>
 508 #endif
 509 ])
 510
 511 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
 512 CFLAGS="$saved_CFLAGS"
 513
 514 # mkdir takes a single argument on some systems.
 515 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
 516
 517 # File extensions
 518 manext='.1'
 519 objext='.o'
 520 AC_SUBST(manext)
 521 AC_SUBST(objext)
 522
 523 build_xm_file=
 524 build_xm_defines=
 525 build_install_headers_dir=install-headers-tar
 526 build_exeext=
 527 host_xm_file=
 528 host_xm_defines=
 529 host_xmake_file=
 530 host_truncate_target=
 531 host_exeext=
 532
 533 # Decode the host machine, then the target machine.
 534 # For the host machine, we save the xm_file variable as host_xm_file;
 535 # then we decode the target machine and forget everything else
 536 # that came from the host machine.
 537 for machine in $build $host $target; do
 538
 539         out_file=
 540         xmake_file=
 541         tmake_file=
 542         extra_headers=
 543         extra_passes=
 544         extra_parts=
 545         extra_programs=
 546         extra_objs=
 547         extra_host_objs=
 548         extra_gcc_objs=
 549         xm_defines=
 550         float_format=
 551         # Set this to force installation and use of collect2.
 552         use_collect2=
 553         # Set this to override the default target model.
 554         target_cpu_default=
 555         # Set this to control how the header file directory is installed.
 556         install_headers_dir=install-headers-tar
 557         # Set this to a non-empty list of args to pass to cpp if the target
 558         # wants its .md file passed through cpp.
 559         md_cppflags=
 560         # Set this if directory names should be truncated to 14 characters.
 561         truncate_target=
 562         # Set this if gdb needs a dir command with `dirname $out_file`
 563         gdb_needs_out_file_path=
 564         # Set this if the build machine requires executables to have a
 565         # file name suffix.
 566         exeext=
 567         # Set this to control which thread package will be used.
 568         thread_file=
 569         # Reinitialize these from the flag values every loop pass, since some
 570         # configure entries modify them.
 571         gas="$gas_flag"
 572         gnu_ld="$gnu_ld_flag"
 573         enable_threads=$enable_threads_flag
 574
 575         # Set default cpu_type, tm_file, tm_p_file and xm_file so it can be
 576         # updated in each machine entry.
 577         tm_p_file=
 578         cpu_type=`echo $machine | sed 's/-.*$//'`
 579         case $machine in
 580         alpha*-*-*)
 581                 cpu_type=alpha
 582                 ;;
 583         strongarm*-*-*)
 584                 cpu_type=arm
 585                 ;;
 586         arm*-*-*)
 587                 cpu_type=arm
 588                 ;;
 589         c*-convex-*)
 590                 cpu_type=convex
 591                 ;;
 592 changequote(,)dnl
 593         i[34567]86-*-*)
 594 changequote([,])dnl
 595                 cpu_type=i386
 596                 ;;
 597         hppa*-*-*)
 598                 cpu_type=pa
 599                 ;;
 600         m68000-*-*)
 601                 cpu_type=m68k
 602                 ;;
 603         mips*-*-*)
 604                 cpu_type=mips
 605                 ;;
 606         pj*-*-*)
 607                 cpu_type=pj
 608                 ;;
 609         powerpc*-*-*)
 610                 cpu_type=rs6000
 611                 ;;
 612         pyramid-*-*)
 613                 cpu_type=pyr
 614                 ;;
 615         sparc*-*-*)
 616                 cpu_type=sparc
 617                 ;;
 618         esac
 619
 620         tm_file=${cpu_type}/${cpu_type}.h
 621         xm_file=${cpu_type}/xm-${cpu_type}.h
 622         if test -f ${srcdir}/config/${cpu_type}/${cpu_type}-protos.h;
 623         then
 624                 tm_p_file=${cpu_type}/${cpu_type}-protos.h;
 625         fi
 626         # On a.out targets, we need to use collect2.
 627         case $machine in
 628         *-*-*aout*)
 629                 use_collect2=yes
 630                 ;;
 631         esac
 632
 633         # Common parts for linux-gnu and openbsd systems
 634         case $machine in
 635         *-*-linux-gnu*)
 636                 xm_defines="HAVE_ATEXIT POSIX BSTRING"
 637                 ;;
 638         *-*-openbsd*)
 639                 tm_file=${cpu_type}/openbsd.h
 640                 tmake_file="t-libc-ok t-openbsd"
 641                 # avoid surprises, always provide an xm-openbsd file
 642                 xm_file=${cpu_type}/xm-openbsd.h
 643                 # don't depend on processor x-fragments as well
 644                 xmake_file=none
 645                 if test x$enable_threads = xyes; then
 646                         thread_file='posix'
 647                         tmake_file="${tmake_file} t-openbsd-thread"
 648                 fi
 649                 ;;
 650         esac
 651
 652         case $machine in
 653         # Support site-specific machine types.
 654         *local*)
 655                 cpu_type=`echo $machine | sed -e 's/-.*//'`
 656                 rest=`echo $machine | sed -e "s/$cpu_type-//"`
 657                 xm_file=${cpu_type}/xm-$rest.h
 658                 tm_file=${cpu_type}/$rest.h
 659                 if test -f $srcdir/config/${cpu_type}/x-$rest; \
 660                 then xmake_file=${cpu_type}/x-$rest; \
 661                 else true; \
 662                 fi
 663                 if test -f $srcdir/config/${cpu_type}/t-$rest; \
 664                 then tmake_file=${cpu_type}/t-$rest; \
 665                 else true; \
 666                 fi
 667                 ;;
 668         1750a-*-*)
 669                 ;;
 670         a29k-*-bsd* | a29k-*-sym1*)
 671                 tm_file="${tm_file} a29k/unix.h"
 672                 xm_defines=USG
 673                 xmake_file=a29k/x-unix
 674                 use_collect2=yes
 675                 ;;
 676         a29k-*-udi | a29k-*-coff)
 677                 tm_file="${tm_file} dbxcoff.h a29k/udi.h"
 678                 tmake_file=a29k/t-a29kbare
 679                 ;;
 680         a29k-wrs-vxworks*)
 681                 tm_file="${tm_file} dbxcoff.h a29k/udi.h a29k/vx29k.h"
 682                 tmake_file=a29k/t-vx29k
 683                 extra_parts="crtbegin.o crtend.o"
 684                 thread_file='vxworks'
 685                 ;;
 686         a29k-*-*)                       # Default a29k environment.
 687                 use_collect2=yes
 688                 ;;
 689         alpha-*-interix)
 690                 tm_file="${tm_file} alpha/alpha32.h interix.h alpha/alpha-interix.h"
 691
 692                 # GAS + IEEE_CONFORMANT+IEEE (no inexact);
 693                 #target_cpu_default="MASK_GAS|MASK_IEEE_CONFORMANT|MASK_IEEE"
 694
 695                 # GAS + IEEE_CONFORMANT
 696                 target_cpu_default="MASK_GAS|MASK_IEEE_CONFORMANT"
 697
 698                 xm_file="alpha/xm-alpha-interix.h xm-interix.h"
 699                 xmake_file="x-interix alpha/t-pe"
 700                 tmake_file="alpha/t-alpha alpha/t-interix alpha/t-ieee"
 701                 if test x$enable_threads = xyes ; then
 702                         thread_file='posix'
 703                 fi
 704                 if test x$stabs = xyes ; then
 705                         tm_file="${tm_file} dbxcoff.h"
 706                 fi
 707                 #prefix='$$INTERIX_ROOT'/usr/contrib
 708                 #local_prefix='$$INTERIX_ROOT'/usr/contrib
 709                 ;;
 710         alpha*-*-linux-gnuecoff*)
 711                 tm_file="${tm_file} alpha/linux-ecoff.h alpha/linux.h"
 712                 target_cpu_default="MASK_GAS"
 713                 tmake_file="alpha/t-alpha alpha/t-ieee"
 714                 gas=no
 715                 xmake_file=none
 716                 gas=yes gnu_ld=yes
 717                 ;;
 718         alpha*-*-linux-gnulibc1*)
 719                 tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
 720                 target_cpu_default="MASK_GAS"
 721                 tmake_file="t-linux t-linux-gnulibc1 alpha/t-alpha alpha/t-crtbe alpha/t-ieee"
 722                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
 723                 xmake_file=none
 724                 gas=yes gnu_ld=yes
 725                 if test x$enable_threads = xyes; then
 726                         thread_file='posix'
 727                 fi
 728                 ;;
 729         alpha*-*-linux-gnu*)
 730                 tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
 731                 target_cpu_default="MASK_GAS"
 732                 tmake_file="t-linux alpha/t-crtbe alpha/t-alpha alpha/t-ieee"
 733                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
 734                 xmake_file=none
 735                 gas=yes gnu_ld=yes
 736                 if test x$enable_threads = xyes; then
 737                         thread_file='posix'
 738                 fi
 739                 ;;
 740         alpha*-*-netbsd*)
 741                 tm_file="${tm_file} alpha/elf.h alpha/netbsd.h alpha/netbsd-elf.h"
 742                 target_cpu_default="MASK_GAS"
 743                 tmake_file="alpha/t-crtbe alpha/t-alpha alpha/t-ieee"
 744                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
 745                 xmake_file=none
 746                 gas=yes gnu_ld=yes
 747                 ;;
 748
 749         alpha*-*-openbsd*)
 750                 # default x-alpha is only appropriate for dec-osf.
 751                 target_cpu_default="MASK_GAS"
 752                 tmake_file="alpha/t-alpha alpha/t-ieee"
 753                 ;;
 754
 755         alpha*-dec-osf*)
 756                 if test x$stabs = xyes
 757                 then
 758                         tm_file="${tm_file} dbx.h"
 759                 fi
 760                 if test x$gas != xyes
 761                 then
 762                         extra_passes="mips-tfile mips-tdump"
 763                 fi
 764                 use_collect2=yes
 765                 tmake_file="alpha/t-alpha alpha/t-ieee"
 766                 case $machine in
 767                   *-*-osf1*)
 768                     tm_file="${tm_file} alpha/osf.h alpha/osf12.h alpha/osf2or3.h"
 769                     ;;
 770 changequote(,)dnl
 771                   *-*-osf[23]*)
 772 changequote([,])dnl
 773                     tm_file="${tm_file} alpha/osf.h alpha/osf2or3.h"
 774                     ;;
 775                   *-*-osf4*)
 776                     tm_file="${tm_file} alpha/osf.h"
 777                     # Some versions of OSF4 (specifically X4.0-9 296.7) have
 778                     # a broken tar, so we use cpio instead.
 779                     install_headers_dir=install-headers-cpio
 780                     ;;
 781                   *-*-osf5*)
 782                     tm_file="${tm_file} alpha/osf.h alpha/osf5.h"
 783                     ;;
 784                 esac
 785                 case $machine in
 786 changequote(,)dnl
 787                   *-*-osf4.0[b-z] | *-*-osf4.[1-9]* | *-*-osf5*)
 788 changequote([,])dnl
 789                     target_cpu_default=MASK_SUPPORT_ARCH
 790                     ;;
 791                 esac
 792                 ;;
 793         alpha*-*-vxworks*)
 794                 tm_file="${tm_file} dbx.h alpha/vxworks.h"
 795                 tmake_file="alpha/t-alpha alpha/t-ieee"
 796                 if [ x$gas != xyes ]
 797                 then
 798                         extra_passes="mips-tfile mips-tdump"
 799                 fi
 800                 use_collect2=yes
 801                 thread_file='vxworks'
 802                 ;;
 803         alpha*-*-winnt*)
 804                 tm_file="${tm_file} alpha/alpha32.h alpha/win-nt.h winnt/win-nt.h"
 805                 xm_file="${xm_file} config/winnt/xm-winnt.h alpha/xm-winnt.h"
 806                 tmake_file="t-libc-ok alpha/t-alpha alpha/t-ieee"
 807                 xmake_file=winnt/x-winnt
 808                 extra_host_objs=oldnames.o
 809                 extra_gcc_objs="spawnv.o oldnames.o"
 810                 if test x$gnu_ld != xyes
 811                 then
 812                         extra_programs=ld.exe
 813                 fi
 814                 if test x$enable_threads = xyes; then
 815                         thread_file='win32'
 816                 fi
 817                 ;;
 818         alpha*-dec-vms*)
 819                 tm_file=alpha/vms.h
 820                 xm_file="${xm_file} alpha/xm-vms.h"
 821                 tmake_file="alpha/t-alpha alpha/t-vms alpha/t-ieee"
 822                 ;;
 823         arc-*-elf*)
 824                 extra_parts="crtinit.o crtfini.o"
 825                 ;;
 826         arm-*-coff* | armel-*-coff*)
 827                 tm_file=arm/coff.h
 828                 tmake_file=arm/t-arm-coff
 829                 ;;
 830         arm-*-vxworks*)
 831                 tm_file=arm/vxarm.h
 832                 tmake_file=arm/t-arm-coff
 833                 thread_file='vxworks'
 834                 ;;
 835 changequote(,)dnl
 836         arm-*-riscix1.[01]*)            # Acorn RISC machine (early versions)
 837 changequote([,])dnl
 838                 tm_file=arm/riscix1-1.h
 839                 use_collect2=yes
 840                 ;;
 841         arm-*-riscix*)                  # Acorn RISC machine
 842                 if test x$gas = xyes
 843                 then
 844                     tm_file=arm/rix-gas.h
 845                 else
 846                     tm_file=arm/riscix.h
 847                 fi
 848                 xmake_file=arm/x-riscix
 849                 tmake_file=arm/t-riscix
 850                 use_collect2=yes
 851                 ;;
 852         arm-semi-aout | armel-semi-aout)
 853                 tm_file=arm/semi.h
 854                 tmake_file=arm/t-semi
 855                 ;;
 856         arm-semi-aof | armel-semi-aof)
 857                 tm_file=arm/semiaof.h
 858                 tmake_file=arm/t-semiaof
 859                 ;;
 860         arm*-*-netbsd*)
 861                 tm_file=arm/netbsd.h
 862                 tmake_file="t-netbsd arm/t-netbsd"
 863                 use_collect2=yes
 864                 ;;
 865         arm*-*-linux-gnuaout*)          # ARM GNU/Linux with a.out
 866                 cpu_type=arm
 867                 xmake_file=x-linux
 868                 tm_file=arm/linux-aout.h
 869                 tmake_file=arm/t-linux
 870                 gnu_ld=yes
 871                 ;;
 872         arm*-*-linux-gnuoldld*)         # ARM GNU/Linux with old ELF linker
 873                 xm_file=arm/xm-linux.h
 874                 xmake_file=x-linux
 875                 tm_file="arm/linux-oldld.h arm/linux-elf.h"
 876                 case $machine in
 877                 armv2*-*-*)
 878                         tm_file="arm/linux-elf26.h $tm_file"
 879                         ;;
 880                 esac
 881                 tmake_file="t-linux arm/t-linux"
 882                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 883                 gnu_ld=yes
 884                 case x${enable_threads} in
 885                 x | xyes | xpthreads | xposix)
 886                         thread_file='posix'
 887                         ;;
 888                 esac
 889                 ;;
 890         arm*-*-linux-gnu*)              # ARM GNU/Linux with ELF
 891                 xm_file=arm/xm-linux.h
 892                 xmake_file=x-linux
 893                 tm_file="arm/linux-elf.h"
 894                 case $machine in
 895                 armv2*-*-*)
 896                         tm_file="arm/linux-elf26.h $tm_file"
 897                         ;;
 898                 esac
 899                 tmake_file="t-linux arm/t-linux"
 900                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 901                 gnu_ld=yes
 902                 case x${enable_threads} in
 903                 x | xyes | xpthreads | xposix)
 904                         thread_file='posix'
 905                         ;;
 906                 esac
 907                 ;;
 908         arm*-*-uclinux*)                # ARM ucLinux
 909                 tm_file=arm/uclinux-elf.h
 910                 tmake_file=arm/t-arm-elf
 911                 ;;
 912         arm*-*-aout)
 913                 tm_file=arm/aout.h
 914                 tmake_file=arm/t-arm-aout
 915                 ;;
 916         arm*-*-ecos-elf)
 917                 tm_file=arm/ecos-elf.h
 918                 tmake_file=arm/t-arm-elf
 919                 ;;
 920         arm*-*-elf)
 921                 tm_file=arm/unknown-elf.h
 922                 tmake_file=arm/t-arm-elf
 923                 ;;
 924         arm*-*-conix*)
 925                 tm_file=arm/conix-elf.h
 926                 tmake_file=arm/t-arm-elf
 927                 ;;
 928         arm*-*-oabi)
 929                 tm_file=arm/unknown-elf-oabi.h
 930                 tmake_file=arm/t-arm-elf
 931                 ;;
 932         arm-*-pe*)
 933                 tm_file=arm/pe.h
 934                 tmake_file=arm/t-pe
 935                 extra_objs="pe.o"
 936                 ;;
 937         avr-*-*)
 938                 ;;
 939         c1-convex-*)                    # Convex C1
 940                 target_cpu_default=1
 941                 use_collect2=yes
 942                 ;;
 943         c2-convex-*)                    # Convex C2
 944                 target_cpu_default=2
 945                 use_collect2=yes
 946                 ;;
 947         c32-convex-*)
 948                 target_cpu_default=4
 949                 use_collect2=yes
 950                 ;;
 951         c34-convex-*)
 952                 target_cpu_default=8
 953                 use_collect2=yes
 954                 ;;
 955         c38-convex-*)
 956                 target_cpu_default=16
 957                 use_collect2=yes
 958                 ;;
 959         c4x-*)
 960                 cpu_type=c4x
 961                 tmake_file=c4x/t-c4x
 962                 ;;
 963         clipper-intergraph-clix*)
 964                 tm_file="${tm_file} svr3.h clipper/clix.h"
 965                 xm_file=clipper/xm-clix.h
 966                 xmake_file=clipper/x-clix
 967                 extra_headers=va-clipper.h
 968                 extra_parts="crtbegin.o crtend.o"
 969                 install_headers_dir=install-headers-cpio
 970                 ;;
 971         d30v-*)
 972                 float_format=i64
 973                 ;;
 974         dsp16xx-*)
 975                 ;;
 976         elxsi-elxsi-*)
 977                 use_collect2=yes
 978                 ;;
 979         fr30-*-elf)
 980                 tm_file="fr30/fr30.h"
 981                 tmake_file=fr30/t-fr30
 982                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
 983                 ;;
 984 # This hasn't been upgraded to GCC 2.
 985 #       fx80-alliant-*)                 # Alliant FX/80
 986 #               ;;
 987         h8300-*-*)
 988                 float_format=i32
 989                 ;;
 990         hppa*-*-linux*)
 991                 target_cpu_default="(MASK_PA_11 | MASK_GAS | MASK_JUMP_IN_DELAY)"
 992                 tm_file="${tm_file} pa/elf.h linux.h pa/pa-linux.h"
 993                 tmake_file="t-linux pa/t-linux"
 994                 extra_parts="crtbegin.o crtend.o"
 995                 xmake_file=none
 996                 gas=yes gnu_ld=yes
 997                 if test x$enable_threads = xyes; then
 998                         thread_file='posix'
 999                 fi
1000                 ;;
1001         hppa*-*-openbsd*)
1002                 target_cpu_default="MASK_PA_11"
1003                 tmake_file=pa/t-openbsd
1004                 ;;
1005         hppa1.1-*-pro*)
1006                 target_cpu_default="(MASK_JUMP_IN_DELAY | MASK_PORTABLE_RUNTIME | MASK_GAS | MASK_NO_SPACE_REGS | MASK_SOFT_FLOAT)"
1007                 tm_file="${tm_file} pa/pa32-regs.h elfos.h pa/elf.h pa/pa-pro-end.h libgloss.h"
1008                 xm_file=pa/xm-papro.h
1009                 tmake_file=pa/t-pro
1010                 ;;
1011         hppa1.1-*-osf*)
1012                 target_cpu_default="MASK_PA_11"
1013                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-osf.h"
1014                 use_collect2=yes
1015                 ;;
1016         hppa1.1-*-rtems*)
1017                 target_cpu_default="(MASK_JUMP_IN_DELAY | MASK_PORTABLE_RUNTIME | MASK_GAS | MASK_NO_SPACE_REGS | MASK_SOFT_FLOAT)"
1018                 tm_file="${tm_file} pa/pa32-regs.h elfos.h pa/elf.h pa/pa-pro-end.h libgloss.h pa/rtems.h"
1019                 xm_file=pa/xm-papro.h
1020                 tmake_file=pa/t-pro
1021                 ;;
1022         hppa1.0-*-osf*)
1023                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-osf.h"
1024                 use_collect2=yes
1025                 ;;
1026         hppa1.1-*-bsd*)
1027                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h"
1028                 target_cpu_default="MASK_PA_11"
1029                 use_collect2=yes
1030                 ;;
1031         hppa1.0-*-bsd*)
1032                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h"
1033                 use_collect2=yes
1034                 ;;
1035         hppa1.0-*-hpux7*)
1036                 tm_file="pa/pa-oldas.h ${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux7.h"
1037                 xm_file=pa/xm-pahpux.h
1038                 xmake_file=pa/x-pa-hpux
1039                 if test x$gas = xyes
1040                 then
1041                         tm_file="${tm_file} pa/gas.h"
1042                 fi
1043                 install_headers_dir=install-headers-cpio
1044                 use_collect2=yes
1045                 ;;
1046 changequote(,)dnl
1047         hppa1.0-*-hpux8.0[0-2]*)
1048 changequote([,])dnl
1049                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h"
1050                 xm_file=pa/xm-pahpux.h
1051                 xmake_file=pa/x-pa-hpux
1052                 if test x$gas = xyes
1053                 then
1054                         tm_file="${tm_file} pa/pa-gas.h"
1055                 else
1056                         tm_file="pa/pa-oldas.h ${tm_file}"
1057                 fi
1058                 install_headers_dir=install-headers-cpio
1059                 use_collect2=yes
1060                 ;;
1061 changequote(,)dnl
1062         hppa1.1-*-hpux8.0[0-2]*)
1063 changequote([,])dnl
1064                 target_cpu_default="MASK_PA_11"
1065                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h"
1066                 xm_file=pa/xm-pahpux.h
1067                 xmake_file=pa/x-pa-hpux
1068                 if test x$gas = xyes
1069                 then
1070                         tm_file="${tm_file} pa/pa-gas.h"
1071                 else
1072                         tm_file="pa/pa-oldas.h ${tm_file}"
1073                 fi
1074                 install_headers_dir=install-headers-cpio
1075                 use_collect2=yes
1076                 ;;
1077         hppa1.1-*-hpux8*)
1078                 target_cpu_default="MASK_PA_11"
1079                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h"
1080                 xm_file=pa/xm-pahpux.h
1081                 xmake_file=pa/x-pa-hpux
1082                 if test x$gas = xyes
1083                 then
1084                         tm_file="${tm_file} pa/pa-gas.h"
1085                 fi
1086                 install_headers_dir=install-headers-cpio
1087                 use_collect2=yes
1088                 ;;
1089         hppa1.0-*-hpux8*)
1090                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h"
1091                 xm_file=pa/xm-pahpux.h
1092                 xmake_file=pa/x-pa-hpux
1093                 if test x$gas = xyes
1094                 then
1095                         tm_file="${tm_file} pa/pa-gas.h"
1096                 fi
1097                 install_headers_dir=install-headers-cpio
1098                 use_collect2=yes
1099                 ;;
1100         hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
1101                 target_cpu_default="MASK_PA_11"
1102                 tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux10.h"
1103                 float_format=i128
1104                 xm_file=pa/xm-pahpux.h
1105                 xmake_file=pa/x-pa-hpux
1106                 tmake_file=pa/t-pa
1107                 if test x$gas = xyes
1108                 then
1109                         tm_file="${tm_file} pa/pa-gas.h"
1110                 fi
1111                 if test x$enable_threads = x; then
1112                     enable_threads=$have_pthread_h
1113                 fi
1114                 if test x$enable_threads = xyes; then
1115                         thread_file='dce'
1116                         tmake_file="${tmake_file} pa/t-dce-thr"
1117                 fi
1118                 install_headers_dir=install-headers-cpio
1119                 use_collect2=yes
1120                 ;;
1121         hppa1.0-*-hpux10*)
1122                 tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux10.h"
1123                 float_format=i128
1124                 xm_file=pa/xm-pahpux.h
1125                 xmake_file=pa/x-pa-hpux
1126                 tmake_file=pa/t-pa
1127                 if test x$gas = xyes
1128                 then
1129                         tm_file="${tm_file} pa/pa-gas.h"
1130                 fi
1131                 if test x$enable_threads = x; then
1132                     enable_threads=$have_pthread_h
1133                 fi
1134                 if test x$enable_threads = xyes; then
1135                         thread_file='dce'
1136                         tmake_file="${tmake_file} pa/t-dce-thr"
1137                 fi
1138                 install_headers_dir=install-headers-cpio
1139                 use_collect2=yes
1140                 ;;
1141         hppa*64*-*-hpux11*)
1142                 target_cpu_default="MASK_PA_11"
1143                 xm_file=pa/xm-pa64hpux.h
1144                 xmake_file=pa/x-pa-hpux
1145                 tmake_file=pa/t-pa
1146                 tm_file="pa/pa64-start.h ${tm_file} pa/pa64-regs.h pa/long_double.h pa/elf.h pa/pa-hpux.h pa/pa-hpux11.h pa/pa-64.h"
1147                 float_format=i128
1148                 tmake_file=pa/t-pa64
1149                 target_cpu_default="(MASK_PA_11|MASK_PA_20)"
1150
1151                 if [[ x$gas = xyes ]]
1152                 then
1153                         tm_file="${tm_file} pa/pa-gas.h"
1154                 fi
1155 #               if [[ x$enable_threads = x ]]; then
1156 #                   enable_threads=$have_pthread_h
1157 #               fi
1158 #               if [[ x$enable_threads = xyes ]]; then
1159 #                       thread_file='dce'
1160 #                       tmake_file="${tmake_file} pa/t-dce-thr"
1161 #               fi
1162                 install_headers_dir=install-headers-cpio
1163                 use_collect2=yes
1164                 ;;
1165         hppa1.1-*-hpux11* | hppa2*-*-hpux11*)
1166                 target_cpu_default="MASK_PA_11"
1167                 tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux11.h"
1168                 float_format=i128
1169                 xm_file=pa/xm-pahpux.h
1170                 xmake_file=pa/x-pa-hpux
1171                 tmake_file=pa/t-pa
1172                 if test x$gas = xyes
1173                 then
1174                         tm_file="${tm_file} pa/pa-gas.h"
1175                 fi
1176 #               if test x$enable_threads = x; then
1177 #                   enable_threads=$have_pthread_h
1178 #               fi
1179 #               if test x$enable_threads = xyes; then
1180 #                       thread_file='dce'
1181 #                       tmake_file="${tmake_file} pa/t-dce-thr"
1182 #               fi
1183                 install_headers_dir=install-headers-cpio
1184                 use_collect2=yes
1185                 ;;
1186         hppa1.0-*-hpux11*)
1187                 tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux11.h"
1188                 float_format=i128
1189                 xm_file=pa/xm-pahpux.h
1190                 xmake_file=pa/x-pa-hpux
1191                 if test x$gas = xyes
1192                 then
1193                         tm_file="${tm_file} pa/pa-gas.h"
1194                 fi
1195 #               if test x$enable_threads = x; then
1196 #                   enable_threads=$have_pthread_h
1197 #               fi
1198 #               if test x$enable_threads = xyes; then
1199 #                       thread_file='dce'
1200 #                       tmake_file="${tmake_file} pa/t-dce-thr"
1201 #               fi
1202                 install_headers_dir=install-headers-cpio
1203                 use_collect2=yes
1204                 ;;
1205         hppa1.1-*-hpux* | hppa2*-*-hpux*)
1206                 target_cpu_default="MASK_PA_11"
1207                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h pa/pa-hpux9.h"
1208                 xm_file=pa/xm-pahpux.h
1209                 xmake_file=pa/x-pa-hpux
1210                 if test x$gas = xyes
1211                 then
1212                         tm_file="${tm_file} pa/pa-gas.h"
1213                 fi
1214                 install_headers_dir=install-headers-cpio
1215                 use_collect2=yes
1216                 ;;
1217         hppa1.0-*-hpux*)
1218                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h pa/pa-hpux9.h"
1219                 xm_file=pa/xm-pahpux.h
1220                 xmake_file=pa/x-pa-hpux
1221                 if test x$gas = xyes
1222                 then
1223                         tm_file="${tm_file} pa/pa-gas.h"
1224                 fi
1225                 install_headers_dir=install-headers-cpio
1226                 use_collect2=yes
1227                 ;;
1228         hppa1.1-*-hiux* | hppa2*-*-hiux*)
1229                 target_cpu_default="MASK_PA_11"
1230                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h pa/pa-hiux.h"
1231                 xm_file=pa/xm-pahpux.h
1232                 xmake_file=pa/x-pa-hpux
1233                 if test x$gas = xyes
1234                 then
1235                         tm_file="${tm_file} pa/pa-gas.h"
1236                 fi
1237                 install_headers_dir=install-headers-cpio
1238                 use_collect2=yes
1239                 ;;
1240         hppa1.0-*-hiux*)
1241                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h pa/pa-hiux.h"
1242                 xm_file=pa/xm-pahpux.h
1243                 xmake_file=pa/x-pa-hpux
1244                 if test x$gas = xyes
1245                 then
1246                         tm_file="${tm_file} pa/pa-gas.h"
1247                 fi
1248                 install_headers_dir=install-headers-cpio
1249                 use_collect2=yes
1250                 ;;
1251         hppa*-*-lites*)
1252                 tm_file="${tm_file} pa/pa32-regs.h elfos.h pa/elf.h"
1253                 target_cpu_default="MASK_PA_11"
1254                 use_collect2=yes
1255                 ;;
1256         hppa*-*-mpeix*)
1257                 tm_file="${tm_file} pa/pa-mpeix.h"
1258                 xm_file=pa/xm-pampeix.h
1259                 xmake_file=pa/x-pa-mpeix
1260                 echo "You must use gas. Assuming it is already installed."
1261                 install_headers_dir=install-headers-tar
1262                 use_collect2=yes
1263                 ;;
1264         i370-*-opened*)                  # IBM 360/370/390 Architecture
1265                 xm_file=i370/xm-oe.h
1266                 tm_file=i370/oe.h
1267                 xmake_file=i370/x-oe
1268                 tmake_file=i370/t-oe
1269                 ;;
1270         i370-*-mvs*)
1271                 xm_file=i370/xm-mvs.h
1272                 tm_file=i370/mvs.h
1273                 tmake_file=i370/t-mvs
1274                 ;;
1275         i370-*-linux*)
1276                 xm_file="xm-linux.h i370/xm-linux.h"
1277                 xmake_file=x-linux
1278                 tm_file="i370/linux.h ${tm_file}"
1279                 tmake_file="t-linux i370/t-linux"
1280                 # broken_install=yes
1281                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1282                 # extra_parts="crtbegin.o crtend.o"
1283                 gnu_ld=yes
1284                 gas=yes
1285                 elf=yes
1286                 if test x$enable_threads = xyes; then
1287                         thread_file='posix'
1288                 fi
1289                 ;;
1290 changequote(,)dnl
1291         i[34567]86-*-elf*)
1292 changequote([,])dnl
1293                 xm_file="${xm_file} xm-svr4.h i386/xm-sysv4.h"
1294                 tm_file=i386/i386elf.h
1295                 tmake_file=i386/t-i386elf
1296                 xmake_file=x-svr4
1297                 ;;
1298 changequote(,)dnl
1299         i[34567]86-ibm-aix*)            # IBM PS/2 running AIX
1300 changequote([,])dnl
1301                 if test x$gas = xyes
1302                 then
1303                         tm_file=i386/aix386.h
1304                         extra_parts="crtbegin.o crtend.o"
1305                         tmake_file=i386/t-crtstuff
1306                 else
1307                         tm_file=i386/aix386ng.h
1308                         use_collect2=yes
1309                 fi
1310                 xm_file="xm-alloca.h i386/xm-aix.h ${xm_file}"
1311                 xm_defines=USG
1312                 xmake_file=i386/x-aix
1313                 ;;
1314 changequote(,)dnl
1315         i[34567]86-ncr-sysv4*)          # NCR 3000 - ix86 running system V.4
1316 changequote([,])dnl
1317                 xm_file="xm-alloca.h ${xm_file}"
1318                 xm_defines="USG POSIX SMALL_ARG_MAX"
1319                 xmake_file=i386/x-ncr3000
1320                 if test x$stabs = xyes -a x$gas = xyes
1321                 then
1322                         tm_file=i386/sysv4gdb.h
1323                 else
1324                         tm_file=i386/sysv4.h
1325                 fi
1326                 extra_parts="crtbegin.o crtend.o"
1327                 tmake_file=i386/t-crtpic
1328                 ;;
1329 changequote(,)dnl
1330         i[34567]86-next-*)
1331 changequote([,])dnl
1332                 tm_file=i386/next.h
1333                 xm_file=i386/xm-next.h
1334                 tmake_file=i386/t-next
1335                 xmake_file=i386/x-next
1336                 extra_objs=nextstep.o
1337                 extra_parts="crtbegin.o crtend.o"
1338                 if test x$enable_threads = xyes; then
1339                         thread_file='mach'
1340                 fi
1341                 ;;
1342 changequote(,)dnl
1343         i[34567]86-sequent-bsd*)                # 80386 from Sequent
1344 changequote([,])dnl
1345                 use_collect2=yes
1346                 if test x$gas = xyes
1347                 then
1348                         tm_file=i386/seq-gas.h
1349                 else
1350                         tm_file=i386/sequent.h
1351                 fi
1352                 ;;
1353 changequote(,)dnl
1354         i[34567]86-sequent-ptx1*)
1355 changequote([,])dnl
1356                 xm_defines="USG SVR3"
1357                 xmake_file=i386/x-sysv3
1358                 tm_file=i386/seq-sysv3.h
1359                 tmake_file=i386/t-crtstuff
1360                 extra_parts="crtbegin.o crtend.o"
1361                 install_headers_dir=install-headers-cpio
1362                 ;;
1363 changequote(,)dnl
1364         i[34567]86-sequent-ptx2* | i[34567]86-sequent-sysv3*)
1365 changequote([,])dnl
1366                 xm_defines="USG SVR3"
1367                 xmake_file=i386/x-sysv3
1368                 tm_file=i386/seq2-sysv3.h
1369                 tmake_file=i386/t-crtstuff
1370                 extra_parts="crtbegin.o crtend.o"
1371                 install_headers_dir=install-headers-cpio
1372                 ;;
1373 changequote(,)dnl
1374         i[34567]86-sequent-ptx4* | i[34567]86-sequent-sysv4*)
1375 changequote([,])dnl
1376                 xm_file="xm-alloca.h ${xm_file}"
1377                 xm_defines="USG POSIX SMALL_ARG_MAX"
1378                 xmake_file=x-svr4
1379                 tm_file=i386/ptx4-i.h
1380                 tmake_file=t-svr4
1381                 extra_parts="crtbegin.o crtend.o"
1382                 install_headers_dir=install-headers-cpio
1383                 ;;
1384         i386-sun-sunos*)                # Sun i386 roadrunner
1385                 xm_defines=USG
1386                 tm_file=i386/sun.h
1387                 use_collect2=yes
1388                 ;;
1389 changequote(,)dnl
1390         i[34567]86-wrs-vxworks*)
1391 changequote([,])dnl
1392                 tm_file=i386/vxi386.h
1393                 tmake_file=i386/t-i386bare
1394                 thread_file='vxworks'
1395                 ;;
1396 changequote(,)dnl
1397         i[34567]86-*-aout*)
1398 changequote([,])dnl
1399                 tm_file=i386/i386-aout.h
1400                 tmake_file=i386/t-i386bare
1401                 ;;
1402 changequote(,)dnl
1403         i[34567]86-*-beospe*)
1404 changequote([,])dnl
1405                 xm_file=i386/xm-beos.h
1406                 xm_defines="USE_C_ALLOCA"
1407                 tmake_file=i386/t-beos
1408                 tm_file=i386/beos-pe.h
1409                 xmake_file=i386/x-beos
1410                 extra_objs=winnt.o
1411                 ;;
1412 changequote(,)dnl
1413         i[34567]86-*-beoself* | i[34567]86-*-beos*)
1414 changequote([,])dnl
1415                 xm_file=i386/xm-beos.h
1416                 tmake_file='i386/t-beos i386/t-crtpic'
1417                 tm_file=i386/beos-elf.h
1418                 xmake_file=i386/x-beos
1419                 extra_objs=winnt.o
1420                 extra_parts='crtbegin.o crtend.o'
1421                 ;;
1422 changequote(,)dnl
1423         i[34567]86-*-bsdi* | i[34567]86-*-bsd386*)
1424 changequote([,])dnl
1425                 tm_file=i386/bsd386.h
1426 #               tmake_file=t-libc-ok
1427                 ;;
1428 changequote(,)dnl
1429         i[34567]86-*-bsd*)
1430 changequote([,])dnl
1431                 tm_file=i386/386bsd.h
1432 #               tmake_file=t-libc-ok
1433 # Next line turned off because both 386BSD and BSD/386 use GNU ld.
1434 #               use_collect2=yes
1435                 ;;
1436 changequote(,)dnl
1437         i[34567]86-*-freebsdelf*)
1438 changequote([,])dnl
1439                 tm_file="i386/i386.h i386/att.h svr4.h freebsd.h i386/freebsd-elf.h i386/perform.h"
1440                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1441                 tmake_file=t-freebsd
1442                 gas=yes
1443                 gnu_ld=yes
1444                 stabs=yes
1445                 case x${enable_threads} in
1446                 xyes | xpthreads | xposix)
1447                         thread_file='posix'
1448                         tmake_file="${tmake_file} t-freebsd-thread"
1449                         ;;
1450                 esac
1451                 ;;
1452 changequote(,)dnl
1453         i[34567]86-*-freebsd*)
1454 changequote([,])dnl
1455                 tm_file="i386/freebsd.h i386/perform.h"
1456                 tmake_file=t-freebsd
1457                 ;;
1458 changequote(,)dnl
1459         i[34567]86-*-netbsd*)
1460 changequote([,])dnl
1461                 tm_file=i386/netbsd.h
1462                 tmake_file=t-netbsd
1463                 use_collect2=yes
1464                 ;;
1465 changequote(,)dnl
1466         i[34567]86-*-openbsd*)
1467 changequote([,])dnl
1468                 # we need collect2 until our bug is fixed...
1469                 use_collect2=yes
1470                 ;;
1471 changequote(,)dnl
1472         i[34567]86-*-coff*)
1473 changequote([,])dnl
1474                 tm_file=i386/i386-coff.h
1475                 tmake_file=i386/t-i386bare
1476                 ;;
1477 changequote(,)dnl
1478         i[34567]86-*-isc*)              # 80386 running ISC system
1479 changequote([,])dnl
1480                 xm_file="${xm_file} i386/xm-isc.h"
1481                 xm_defines="USG SVR3"
1482                 case $machine in
1483 changequote(,)dnl
1484                   i[34567]86-*-isc[34]*)
1485 changequote([,])dnl
1486                     xmake_file=i386/x-isc3
1487                     ;;
1488                   *)
1489                     xmake_file=i386/x-isc
1490                     ;;
1491                 esac
1492                 if test x$gas = xyes -a x$stabs = xyes
1493                 then
1494                         tm_file=i386/iscdbx.h
1495                         tmake_file=i386/t-svr3dbx
1496                         extra_parts="svr3.ifile svr3z.ifile"
1497                 else
1498                         tm_file=i386/isccoff.h
1499                         tmake_file=i386/t-crtstuff
1500                         extra_parts="crtbegin.o crtend.o"
1501                 fi
1502                 tmake_file="$tmake_file i386/t-i386bare"
1503                 install_headers_dir=install-headers-cpio
1504                 ;;
1505 changequote(,)dnl
1506         i[34567]86-*-linux-gnuoldld*)   # Intel 80386's running GNU/Linux
1507 changequote([,])dnl                     # with a.out format using
1508                                         # pre BFD linkers
1509                 xmake_file=x-linux-aout
1510                 tmake_file="t-linux-aout i386/t-crtstuff"
1511                 tm_file=i386/linux-oldld.h
1512                 gnu_ld=yes
1513                 float_format=i386
1514                 ;;
1515 changequote(,)dnl
1516         i[34567]86-*-linux-gnuaout*)    # Intel 80386's running GNU/Linux
1517 changequote([,])dnl                     # with a.out format
1518                 xmake_file=x-linux-aout
1519                 tmake_file="t-linux-aout i386/t-crtstuff"
1520                 tm_file=i386/linux-aout.h
1521                 gnu_ld=yes
1522                 float_format=i386
1523                 ;;
1524 changequote(,)dnl
1525         i[34567]86-*-linux-gnulibc1)    # Intel 80386's running GNU/Linux
1526 changequote([,])dnl                     # with ELF format using the
1527                                         # GNU/Linux C library 5
1528                 xmake_file=x-linux
1529                 tm_file=i386/linux.h
1530                 tmake_file="t-linux t-linux-gnulibc1 i386/t-crtstuff"
1531                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1532                 gnu_ld=yes
1533                 float_format=i386
1534                 if test x$enable_threads = xyes; then
1535                         thread_file='single'
1536                 fi
1537                 ;;
1538 changequote(,)dnl
1539         i[34567]86-*-linux-gnu*)        # Intel 80386's running GNU/Linux
1540 changequote([,])dnl                     # with ELF format using glibc 2
1541                                         # aka GNU/Linux C library 6
1542                 xmake_file=x-linux
1543                 tm_file=i386/linux.h
1544                 tmake_file="t-linux i386/t-crtstuff"
1545                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1546                 gnu_ld=yes
1547                 float_format=i386
1548                 if test x$enable_threads = xyes; then
1549                         thread_file='posix'
1550                 fi
1551                 ;;
1552 changequote(,)dnl
1553         i[34567]86-*-gnu*)
1554                 float_format=i386
1555 changequote([,])dnl
1556                 ;;
1557 changequote(,)dnl
1558         i[34567]86-go32-msdos | i[34567]86-*-go32*)
1559 changequote([,])dnl
1560                 echo "GO32/DJGPP V1.X is no longer supported. Use *-pc-msdosdjgpp for DJGPP V2.X instead."
1561                 exit 1
1562                 ;;
1563 changequote(,)dnl
1564         i[34567]86-pc-msdosdjgpp*)
1565 changequote([,])dnl
1566                 xm_file=i386/xm-djgpp.h
1567                 tm_file=i386/djgpp.h
1568                 tmake_file=i386/t-djgpp
1569                 xmake_file=i386/x-djgpp
1570                 gnu_ld=yes
1571                 gas=yes
1572                 exeext=.exe
1573                 float_format=none
1574                 case $host in *pc-msdosdjgpp*)
1575                         target_alias=djgpp
1576                         ;;
1577                 esac
1578                 ;;
1579 changequote(,)dnl
1580         i[34567]86-moss-msdos* | i[34567]86-*-moss*)
1581 changequote([,])dnl
1582                 tm_file=i386/moss.h
1583                 tmake_file=t-libc-ok
1584                 gnu_ld=yes
1585                 gas=yes
1586                 ;;
1587 changequote(,)dnl
1588         i[34567]86-*-lynxos*)
1589 changequote([,])dnl
1590                 if test x$gas = xyes
1591                 then
1592                         tm_file=i386/lynx.h
1593                 else
1594                         tm_file=i386/lynx-ng.h
1595                 fi
1596                 xm_file=i386/xm-lynx.h
1597                 tmake_file=i386/t-i386bare
1598                 xmake_file=x-lynx
1599                 ;;
1600 changequote(,)dnl
1601         i[34567]86-*-mach*)
1602 changequote([,])dnl
1603                 tm_file=i386/mach.h
1604 #               tmake_file=t-libc-ok
1605                 use_collect2=yes
1606                 ;;
1607 changequote(,)dnl
1608         i[34567]86-*-osfrose*)          # 386 using OSF/rose
1609 changequote([,])dnl
1610                 if test x$elf = xyes
1611                 then
1612                         tm_file=i386/osfelf.h
1613                         use_collect2=
1614                 else
1615                         tm_file=i386/osfrose.h
1616                         use_collect2=yes
1617                 fi
1618                 xm_file="i386/xm-osf.h ${xm_file}"
1619                 xmake_file=i386/x-osfrose
1620                 tmake_file=i386/t-osf
1621                 extra_objs=halfpic.o
1622                 ;;
1623 changequote(,)dnl
1624         i[34567]86-go32-rtems*)
1625 changequote([,])dnl
1626                 cpu_type=i386
1627                 xm_file=i386/xm-go32.h
1628                 tm_file=i386/go32-rtems.h
1629                 tmake_file="i386/t-go32 t-rtems"
1630                 ;;
1631 changequote(,)dnl
1632         i[34567]86-*-rtemscoff*)
1633 changequote([,])dnl
1634                 cpu_type=i386
1635                 tm_file=i386/rtems.h
1636                 tmake_file="i386/t-i386bare t-rtems"
1637                 ;;
1638 changequote(,)dnl
1639         i[34567]86-*-rtems*|i[34567]86-*-rtemself*)
1640 changequote([,])dnl
1641                 cpu_type=i386
1642                 tm_file=i386/rtemself.h
1643                 extra_parts="crtbegin.o crtend.o crti.o crtn.o"
1644                 tmake_file="i386/t-rtems-i386 i386/t-crtstuff t-rtems"
1645                 ;;
1646 changequote(,)dnl
1647         i[34567]86-*-sco3.2v5*) # 80386 running SCO Open Server 5
1648 changequote([,])dnl
1649                 xm_file="xm-alloca.h ${xm_file} i386/xm-sco5.h"
1650                 xm_defines="USG SVR3"
1651                 xmake_file=i386/x-sco5
1652                 install_headers_dir=install-headers-cpio
1653                 tm_file=i386/sco5.h
1654                 if test x$gas = xyes
1655                 then
1656                         tm_file="i386/sco5gas.h ${tm_file}"
1657                         tmake_file=i386/t-sco5gas
1658                 else
1659                         tmake_file=i386/t-sco5
1660                 fi
1661                 tmake_file="$tmake_file i386/t-i386bare"
1662                 extra_parts="crti.o crtbegin.o crtend.o crtbeginS.o crtendS.o"
1663                 ;;
1664 changequote(,)dnl
1665         i[34567]86-*-sco3.2v4*)         # 80386 running SCO 3.2v4 system
1666 changequote([,])dnl
1667                 xm_file="${xm_file} i386/xm-sco.h"
1668                 xm_defines="USG SVR3 BROKEN_LDEXP SMALL_ARG_MAX"
1669                 xmake_file=i386/x-sco4
1670                 install_headers_dir=install-headers-cpio
1671                 if test x$stabs = xyes
1672                 then
1673                         tm_file=i386/sco4dbx.h
1674                         tmake_file=i386/t-svr3dbx
1675                         extra_parts="svr3.ifile svr3z.rfile"
1676                 else
1677                         tm_file=i386/sco4.h
1678                         tmake_file=i386/t-crtstuff
1679                         extra_parts="crtbegin.o crtend.o"
1680                 fi
1681                 tmake_file="$tmake_file i386/t-i386bare"
1682                 # The default EAFS filesystem supports long file names.
1683                 # Truncating the target makes $host != $target which
1684                 # makes gcc think it is doing a cross-compile.
1685                 # truncate_target=yes
1686                 ;;
1687 changequote(,)dnl
1688         i[34567]86-*-sco*)              # 80386 running SCO system
1689 changequote([,])dnl
1690                 xm_file=i386/xm-sco.h
1691                 xmake_file=i386/x-sco
1692                 install_headers_dir=install-headers-cpio
1693                 if test x$stabs = xyes
1694                 then
1695                         tm_file=i386/scodbx.h
1696                         tmake_file=i386/t-svr3dbx
1697                         extra_parts="svr3.ifile svr3z.rfile"
1698                 else
1699                         tm_file=i386/sco.h
1700                         extra_parts="crtbegin.o crtend.o"
1701                         tmake_file=i386/t-crtstuff
1702                 fi
1703                 tmake_file="$tmake_file i386/t-i386bare"
1704                 truncate_target=yes
1705                 ;;
1706 changequote(,)dnl
1707         i[34567]86-*-solaris2*)
1708 changequote([,])dnl
1709                 xm_file="xm-alloca.h ${xm_file}"
1710                 xm_defines="USG POSIX SMALL_ARG_MAX"
1711                 tm_file=i386/sol2.h
1712                 if test x$gas = xyes; then
1713                         # Only needed if gas does not support -s
1714                         tm_file="i386/sol2gas.h ${tm_file}"
1715                 fi
1716                 tmake_file="i386/t-i386bare i386/t-sol2"
1717                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
1718                 xmake_file=x-svr4
1719                 if test x${enable_threads} = x; then
1720                     enable_threads=$have_pthread_h
1721                     if test x${enable_threads} = x; then
1722                         enable_threads=$have_thread_h
1723                     fi
1724                 fi
1725                 if test x${enable_threads} = xyes; then
1726                     if test x${have_pthread_h} = xyes; then
1727                         thread_file='posix'
1728                     else
1729                         thread_file='solaris'
1730                     fi
1731                 fi
1732                 ;;
1733 changequote(,)dnl
1734        i[34567]86-*-sysv5*)           # Intel x86 on System V Release 5
1735 changequote([,])dnl
1736                xm_file="xm-alloca.h ${xm_file}"
1737                xm_defines="USG POSIX"
1738                tm_file=i386/sysv5.h
1739                if test x$stabs = xyes
1740                then
1741                        tm_file="${tm_file} dbx.h"
1742                fi
1743                tmake_file="i386/t-i386bare i386/t-crtpic"
1744                xmake_file=x-svr4
1745                extra_parts="crtbegin.o crtend.o"
1746                if test x$enable_threads = xyes; then
1747                        thread_file='posix'
1748                fi
1749                ;;
1750 changequote(,)dnl
1751         i[34567]86-*-sysv4*)            # Intel 80386's running system V.4
1752 changequote([,])dnl
1753                 xm_file="xm-alloca.h ${xm_file}"
1754                 xm_defines="USG POSIX SMALL_ARG_MAX"
1755                 tm_file=i386/sysv4.h
1756                 if test x$stabs = xyes
1757                 then
1758                         tm_file="${tm_file} dbx.h"
1759                 fi
1760                 tmake_file="i386/t-i386bare i386/t-crtpic"
1761                 xmake_file=x-svr4
1762                 extra_parts="crtbegin.o crtend.o"
1763                 ;;
1764 changequote(,)dnl
1765         i[34567]86-*-udk*)      # Intel x86 on SCO UW/OSR5 Dev Kit
1766 changequote([,])dnl
1767                 xm_file="xm-alloca.h ${xm_file}"
1768                 xm_defines="USG POSIX"
1769                 tm_file=i386/udk.h
1770                 tmake_file="i386/t-i386bare i386/t-crtpic i386/t-udk"
1771                 xmake_file=x-svr4
1772                 extra_parts="crtbegin.o crtend.o"
1773                 install_headers_dir=install-headers-cpio
1774                 ;;
1775 changequote(,)dnl
1776         i[34567]86-*-osf1*)             # Intel 80386's running OSF/1 1.3+
1777 changequote([,])dnl
1778                 cpu_type=i386
1779                 xm_file="${xm_file} xm-svr4.h i386/xm-sysv4.h i386/xm-osf1elf.h"
1780                 xm_defines="USE_C_ALLOCA SMALL_ARG_MAX"
1781                 if test x$stabs = xyes
1782                 then
1783                         tm_file=i386/osf1elfgdb.h
1784                 else
1785                         tm_file=i386/osf1elf.h
1786                 fi
1787                 tmake_file=i386/t-osf1elf
1788                 xmake_file=i386/x-osf1elf
1789                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
1790                 ;;
1791 changequote(,)dnl
1792         i[34567]86-*-sysv*)             # Intel 80386's running system V
1793 changequote([,])dnl
1794                 xm_defines="USG SVR3"
1795                 xmake_file=i386/x-sysv3
1796                 if test x$gas = xyes
1797                 then
1798                         if test x$stabs = xyes
1799                         then
1800                                 tm_file=i386/svr3dbx.h
1801                                 tmake_file=i386/t-svr3dbx
1802                                 extra_parts="svr3.ifile svr3z.rfile"
1803                         else
1804                                 tm_file=i386/svr3gas.h
1805                                 extra_parts="crtbegin.o crtend.o"
1806                                 tmake_file=i386/t-crtstuff
1807                         fi
1808                 else
1809                         tm_file=i386/sysv3.h
1810                         extra_parts="crtbegin.o crtend.o"
1811                         tmake_file=i386/t-crtstuff
1812                 fi
1813                 tmake_file="$tmake_file i386/t-crtpic"
1814                 ;;
1815         i386-*-vsta)                    # Intel 80386's running VSTa kernel
1816                 xm_file="${xm_file} i386/xm-vsta.h"
1817                 tm_file=i386/vsta.h
1818                 tmake_file=i386/t-vsta
1819                 xmake_file=i386/x-vsta
1820                 ;;
1821 changequote(,)dnl
1822         i[34567]86-*-win32)
1823 changequote([,])dnl
1824                 xm_file="${xm_file} i386/xm-cygwin.h"
1825                 tmake_file=i386/t-cygwin
1826                 tm_file=i386/win32.h
1827                 xmake_file=i386/x-cygwin
1828                 extra_objs=winnt.o
1829                 if test x$enable_threads = xyes; then
1830                         thread_file='win32'
1831                 fi
1832                 exeext=.exe
1833                 ;;
1834 changequote(,)dnl
1835         i[34567]86-*-pe | i[34567]86-*-cygwin*)
1836 changequote([,])dnl
1837                 xm_file="${xm_file} i386/xm-cygwin.h"
1838                 tmake_file=i386/t-cygwin
1839                 tm_file=i386/cygwin.h
1840                 xmake_file=i386/x-cygwin
1841                 extra_objs=winnt.o
1842                 if test x$enable_threads = xyes; then
1843                         thread_file='win32'
1844                 fi
1845                 exeext=.exe
1846                 ;;
1847 changequote(,)dnl
1848         i[34567]86-*-mingw32*)
1849 changequote([,])dnl
1850                 tm_file=i386/mingw32.h
1851                 xm_file="${xm_file} i386/xm-mingw32.h"
1852                 tmake_file="i386/t-cygwin i386/t-mingw32"
1853                 extra_objs=winnt.o
1854                 xmake_file=i386/x-cygwin
1855                 if test x$enable_threads = xyes; then
1856                         thread_file='win32'
1857                 fi
1858                 exeext=.exe
1859                 case $machine in
1860                         *mingw32msv*)
1861                                 ;;
1862                         *minwg32crt* | *mingw32*)
1863                                 tm_file="${tm_file} i386/crtdll.h"
1864                                 ;;
1865                 esac
1866                 ;;
1867 changequote(,)dnl
1868         i[34567]86-*-uwin*)
1869 changequote([,])dnl
1870                 tm_file=i386/uwin.h
1871                 xm_file="${xm_file} i386/xm-uwin.h"
1872                 xm_defines="USG NO_STAB_H"
1873                 tmake_file="i386/t-cygwin i386/t-uwin"
1874                 extra_objs=winnt.o
1875                 xmake_file=i386/x-cygwin
1876                 if test x$enable_threads = xyes; then
1877                         thread_file='win32'
1878                 fi
1879                 exeext=.exe
1880                 ;;
1881 changequote(,)dnl
1882         i[34567]86-*-interix*)
1883 changequote([,])dnl
1884                 tm_file="i386/i386-interix.h interix.h"
1885                 xm_file="i386/xm-i386-interix.h xm-interix.h"
1886                 xm_defines="USG"
1887                 tmake_file="i386/t-interix"
1888                 extra_objs=interix.o
1889                 xmake_file=x-interix
1890                 if test x$enable_threads = xyes ; then
1891                         thread_file='posix'
1892                 fi
1893                 if test x$stabs = xyes ; then
1894                         tm_file="${tm_file} dbxcoff.h"
1895                 fi
1896                 ;;
1897 changequote(,)dnl
1898         i[34567]86-*-winnt3*)
1899 changequote([,])dnl
1900                 tm_file=i386/win-nt.h
1901                 out_file=i386/i386.c
1902                 xm_file="xm-winnt.h ${xm_file}"
1903                 xmake_file=winnt/x-winnt
1904                 tmake_file=i386/t-winnt
1905                 extra_host_objs="winnt.o oldnames.o"
1906                 extra_gcc_objs="spawnv.o oldnames.o"
1907                 if test x$gnu_ld != xyes
1908                 then
1909                         extra_programs=ld.exe
1910                 fi
1911                 if test x$enable_threads = xyes; then
1912                         thread_file='win32'
1913                 fi
1914                 ;;
1915 changequote(,)dnl
1916         i[34567]86-dg-dgux*)
1917 changequote([,])dnl
1918                 xm_file="xm-alloca.h ${xm_file}"
1919                 xm_defines="USG POSIX"
1920                 out_file=i386/dgux.c
1921                 tm_file=i386/dgux.h
1922                 tmake_file=i386/t-dgux
1923                 xmake_file=i386/x-dgux
1924                 install_headers_dir=install-headers-cpio
1925               ;;
1926         i860-alliant-*)         # Alliant FX/2800
1927                 tm_file="${tm_file} svr4.h i860/sysv4.h i860/fx2800.h"
1928                 xm_file="${xm_file}"
1929                 xmake_file=i860/x-fx2800
1930                 tmake_file=i860/t-fx2800
1931                 extra_parts="crtbegin.o crtend.o"
1932                 ;;
1933         i860-*-bsd*)
1934                 tm_file="${tm_file} i860/bsd.h"
1935                 if test x$gas = xyes
1936                 then
1937                         tm_file="${tm_file} i860/bsd-gas.h"
1938                 fi
1939                 use_collect2=yes
1940                 ;;
1941         i860-*-mach*)
1942                 tm_file="${tm_file} i860/mach.h"
1943                 tmake_file=t-libc-ok
1944                 ;;
1945         i860-*-osf*)                    # Intel Paragon XP/S, OSF/1AD
1946                 tm_file="${tm_file} svr3.h i860/paragon.h"
1947                 xm_defines="USG SVR3"
1948                 tmake_file=t-osf
1949                 ;;
1950         i860-*-sysv3*)
1951                 tm_file="${tm_file} svr3.h i860/sysv3.h"
1952                 xm_defines="USG SVR3"
1953                 xmake_file=i860/x-sysv3
1954                 extra_parts="crtbegin.o crtend.o"
1955                 ;;
1956         i860-*-sysv4*)
1957                 tm_file="${tm_file} svr4.h i860/sysv4.h"
1958                 xm_defines="USG SVR3"
1959                 xmake_file=i860/x-sysv4
1960                 tmake_file=t-svr4
1961                 extra_parts="crtbegin.o crtend.o"
1962                 ;;
1963         i960-wrs-vxworks5 | i960-wrs-vxworks5.0*)
1964                 tm_file="${tm_file} i960/vx960.h"
1965                 tmake_file=i960/t-vxworks960
1966                 use_collect2=yes
1967                 thread_file='vxworks'
1968                 ;;
1969         i960-wrs-vxworks5* | i960-wrs-vxworks)
1970                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h i960/vx960-coff.h"
1971                 tmake_file=i960/t-vxworks960
1972                 use_collect2=yes
1973                 thread_file='vxworks'
1974                 ;;
1975         i960-wrs-vxworks*)
1976                 tm_file="${tm_file} i960/vx960.h"
1977                 tmake_file=i960/t-vxworks960
1978                 use_collect2=yes
1979                 thread_file='vxworks'
1980                 ;;
1981         i960-*-coff*)
1982                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h libgloss.h"
1983                 tmake_file=i960/t-960bare
1984                 use_collect2=yes
1985                 ;;
1986         i960-*-rtems)
1987                 tmake_file="i960/t-960bare t-rtems"
1988                 tm_file="${tm_file} dbxcoff.h i960/rtems.h"
1989                 use_collect2=yes
1990                 ;;
1991         i960-*-*)                       # Default i960 environment.
1992                 use_collect2=yes
1993                 ;;
1994         ia64*-*-elf*)
1995                 tm_file=ia64/elf.h
1996                 tmake_file="ia64/t-ia64"
1997                 target_cpu_default="0"
1998                 if test x$gas = xyes
1999                 then
2000                         target_cpu_default="${target_cpu_default}|MASK_GNU_AS"
2001                 fi
2002                 if test x$gnu_ld = xyes
2003                 then
2004                         target_cpu_default="${target_cpu_default}|MASK_GNU_LD"
2005                 fi
2006                 ;;
2007         ia64*-*-linux*)
2008                 tm_file=ia64/linux.h
2009                 tmake_file="t-linux ia64/t-ia64"
2010                 target_cpu_default="MASK_GNU_AS|MASK_GNU_LD"
2011                 if test x$enable_threads = xyes; then
2012                         thread_file='posix'
2013                 fi
2014                 ;;
2015         m32r-*-elf*)
2016                 extra_parts="crtinit.o crtfini.o"
2017                 ;;
2018         m68000-convergent-sysv*)
2019                 tm_file=m68k/ctix.h
2020                 xm_file="m68k/xm-3b1.h ${xm_file}"
2021                 xm_defines=USG
2022                 use_collect2=yes
2023                 extra_headers=math-68881.h
2024                 ;;
2025         m68000-hp-bsd*)                 # HP 9000/200 running BSD
2026                 tm_file=m68k/hp2bsd.h
2027                 xmake_file=m68k/x-hp2bsd
2028                 use_collect2=yes
2029                 extra_headers=math-68881.h
2030                 ;;
2031         m68000-hp-hpux*)                # HP 9000 series 300
2032                 xm_file="xm-alloca.h ${xm_file}"
2033                 xm_defines="USG"
2034                 if test x$gas = xyes
2035                 then
2036                         xmake_file=m68k/x-hp320g
2037                         tm_file=m68k/hp310g.h
2038                 else
2039                         xmake_file=m68k/x-hp320
2040                         tm_file=m68k/hp310.h
2041                 fi
2042                 install_headers_dir=install-headers-cpio
2043                 use_collect2=yes
2044                 extra_headers=math-68881.h
2045                 ;;
2046         m68000-sun-sunos3*)
2047                 tm_file=m68k/sun2.h
2048                 use_collect2=yes
2049                 extra_headers=math-68881.h
2050                 ;;
2051         m68000-sun-sunos4*)
2052                 tm_file=m68k/sun2o4.h
2053                 use_collect2=yes
2054                 extra_headers=math-68881.h
2055                 ;;
2056         m68000-att-sysv*)
2057                 xm_file="m68k/xm-3b1.h ${xm_file}"
2058                 xm_defines=USG
2059                 if test x$gas = xyes
2060                 then
2061                         tm_file=m68k/3b1g.h
2062                 else
2063                         tm_file=m68k/3b1.h
2064                 fi
2065                 use_collect2=yes
2066                 extra_headers=math-68881.h
2067                 ;;
2068         m68k-apple-aux*)                # Apple Macintosh running A/UX
2069                 xm_defines="USG AUX"
2070                 tmake_file=m68k/t-aux
2071                 install_headers_dir=install-headers-cpio
2072                 extra_headers=math-68881.h
2073                 extra_parts="crt1.o mcrt1.o maccrt1.o crt2.o crtn.o"
2074                 tm_file=
2075                 if test "$gnu_ld" = yes
2076                 then
2077                         tm_file="${tm_file} m68k/auxgld.h"
2078                 else
2079                         tm_file="${tm_file} m68k/auxld.h"
2080                 fi
2081                 if test "$gas" = yes
2082                 then
2083                         tm_file="${tm_file} m68k/auxgas.h"
2084                 else
2085                         tm_file="${tm_file} m68k/auxas.h"
2086                 fi
2087                 tm_file="${tm_file} m68k/a-ux.h"
2088                 float_format=m68k
2089                 ;;
2090         m68k-apollo-*)
2091                 tm_file=m68k/apollo68.h
2092                 xmake_file=m68k/x-apollo68
2093                 use_collect2=yes
2094                 extra_headers=math-68881.h
2095                 float_format=m68k
2096                 ;;
2097         m68k-altos-sysv*)                  # Altos 3068
2098                 if test x$gas = xyes
2099                 then
2100                         tm_file=m68k/altos3068.h
2101                         xm_defines=USG
2102                 else
2103                         echo "The Altos is supported only with the GNU assembler" 1>&2
2104                         exit 1
2105                 fi
2106                 extra_headers=math-68881.h
2107                 ;;
2108         m68k-bull-sysv*)                # Bull DPX/2
2109                 if test x$gas = xyes
2110                 then
2111                         if test x$stabs = xyes
2112                         then
2113                                 tm_file=m68k/dpx2cdbx.h
2114                         else
2115                                 tm_file=m68k/dpx2g.h
2116                         fi
2117                 else
2118                         tm_file=m68k/dpx2.h
2119                 fi
2120                 xm_file="xm-alloca.h ${xm_file}"
2121                 xm_defines=USG
2122                 xmake_file=m68k/x-dpx2
2123                 use_collect2=yes
2124                 extra_headers=math-68881.h
2125                 ;;
2126         m68k-atari-sysv4*)              # Atari variant of V.4.
2127                 tm_file=m68k/atari.h
2128                 xm_file="xm-alloca.h ${xm_file}"
2129                 xm_defines="USG FULL_PROTOTYPES"
2130                 tmake_file=t-svr4
2131                 extra_parts="crtbegin.o crtend.o"
2132                 extra_headers=math-68881.h
2133                 float_format=m68k
2134                 ;;
2135         m68k-motorola-sysv*)
2136                 tm_file=m68k/mot3300.h
2137                 xm_file="xm-alloca.h m68k/xm-mot3300.h ${xm_file}"
2138                 if test x$gas = xyes
2139                 then
2140                         xmake_file=m68k/x-mot3300-gas
2141                         if test x$gnu_ld = xyes
2142                         then
2143                                 tmake_file=m68k/t-mot3300-gald
2144                         else
2145                                 tmake_file=m68k/t-mot3300-gas
2146                                 use_collect2=yes
2147                         fi
2148                 else
2149                         xmake_file=m68k/x-mot3300
2150                         if test x$gnu_ld = xyes
2151                         then
2152                                 tmake_file=m68k/t-mot3300-gld
2153                         else
2154                                 tmake_file=m68k/t-mot3300
2155                                 use_collect2=yes
2156                         fi
2157                 fi
2158                 gdb_needs_out_file_path=yes
2159                 extra_parts="crt0.o mcrt0.o"
2160                 extra_headers=math-68881.h
2161                 float_format=m68k
2162                 ;;
2163         m68k-ncr-sysv*)                 # NCR Tower 32 SVR3
2164                 tm_file=m68k/tower-as.h
2165                 xm_defines="USG SVR3"
2166                 xmake_file=m68k/x-tower
2167                 extra_parts="crtbegin.o crtend.o"
2168                 extra_headers=math-68881.h
2169                 ;;
2170         m68k-plexus-sysv*)
2171                 tm_file=m68k/plexus.h
2172                 xm_file="xm-alloca.h m68k/xm-plexus.h ${xm_file}"
2173                 xm_defines=USG
2174                 use_collect2=yes
2175                 extra_headers=math-68881.h
2176                 ;;
2177         m68k-tti-*)
2178                 tm_file=m68k/pbb.h
2179                 xm_file="xm-alloca.h ${xm_file}"
2180                 xm_defines=USG
2181                 extra_headers=math-68881.h
2182                 ;;
2183         m68k-crds-unos*)
2184                 xm_file="xm-alloca.h m68k/xm-crds.h ${xm_file}"
2185                 xm_defines="USG unos"
2186                 xmake_file=m68k/x-crds
2187                 tm_file=m68k/crds.h
2188                 use_collect2=yes
2189                 extra_headers=math-68881.h
2190                 ;;
2191         m68k-cbm-sysv4*)                # Commodore variant of V.4.
2192                 tm_file=m68k/amix.h
2193                 xm_file="xm-alloca.h ${xm_file}"
2194                 xm_defines="USG FULL_PROTOTYPES"
2195                 xmake_file=m68k/x-amix
2196                 tmake_file=t-svr4
2197                 extra_parts="crtbegin.o crtend.o"
2198                 extra_headers=math-68881.h
2199                 float_format=m68k
2200                 ;;
2201         m68k-ccur-rtu)
2202                 tm_file=m68k/ccur-GAS.h
2203                 xmake_file=m68k/x-ccur
2204                 extra_headers=math-68881.h
2205                 use_collect2=yes
2206                 float_format=m68k
2207                 ;;
2208         m68k-hp-bsd4.4*)                # HP 9000/3xx running 4.4bsd
2209                 tm_file=m68k/hp3bsd44.h
2210                 xmake_file=m68k/x-hp3bsd44
2211                 use_collect2=yes
2212                 extra_headers=math-68881.h
2213                 float_format=m68k
2214                 ;;
2215         m68k-hp-bsd*)                   # HP 9000/3xx running Berkeley Unix
2216                 tm_file=m68k/hp3bsd.h
2217                 use_collect2=yes
2218                 extra_headers=math-68881.h
2219                 float_format=m68k
2220                 ;;
2221         m68k-isi-bsd*)
2222                 if test x$with_fp = xno
2223                 then
2224                         tm_file=m68k/isi-nfp.h
2225                 else
2226                         tm_file=m68k/isi.h
2227                         float_format=m68k
2228                 fi
2229                 use_collect2=yes
2230                 extra_headers=math-68881.h
2231                 ;;
2232         m68k-hp-hpux7*) # HP 9000 series 300 running HPUX version 7.
2233                 xm_file="xm-alloca.h ${xm_file}"
2234                 xm_defines="USG"
2235                 if test x$gas = xyes
2236                 then
2237                         xmake_file=m68k/x-hp320g
2238                         tm_file=m68k/hp320g.h
2239                 else
2240                         xmake_file=m68k/x-hp320
2241                         tm_file=m68k/hpux7.h
2242                 fi
2243                 install_headers_dir=install-headers-cpio
2244                 use_collect2=yes
2245                 extra_headers=math-68881.h
2246                 float_format=m68k
2247                 ;;
2248         m68k-hp-hpux*)  # HP 9000 series 300
2249                 xm_file="xm-alloca.h ${xm_file}"
2250                 xm_defines="USG"
2251                 if test x$gas = xyes
2252                 then
2253                         xmake_file=m68k/x-hp320g
2254                         tm_file=m68k/hp320g.h
2255                 else
2256                         xmake_file=m68k/x-hp320
2257                         tm_file=m68k/hp320.h
2258                 fi
2259                 install_headers_dir=install-headers-cpio
2260                 use_collect2=yes
2261                 extra_headers=math-68881.h
2262                 float_format=m68k
2263                 ;;
2264         m68k-sun-mach*)
2265                 tm_file=m68k/sun3mach.h
2266                 use_collect2=yes
2267                 extra_headers=math-68881.h
2268                 float_format=m68k
2269                 ;;
2270         m68k-sony-newsos3*)
2271                 if test x$gas = xyes
2272                 then
2273                         tm_file=m68k/news3gas.h
2274                 else
2275                         tm_file=m68k/news3.h
2276                 fi
2277                 use_collect2=yes
2278                 extra_headers=math-68881.h
2279                 float_format=m68k
2280                 ;;
2281         m68k-sony-bsd* | m68k-sony-newsos*)
2282                 if test x$gas = xyes
2283                 then
2284                         tm_file=m68k/newsgas.h
2285                 else
2286                         tm_file=m68k/news.h
2287                 fi
2288                 use_collect2=yes
2289                 extra_headers=math-68881.h
2290                 float_format=m68k
2291                 ;;
2292         m68k-next-nextstep2*)
2293                 tm_file=m68k/next21.h
2294                 xm_file="m68k/xm-next.h ${xm_file}"
2295                 tmake_file=m68k/t-next
2296                 xmake_file=m68k/x-next
2297                 extra_objs=nextstep.o
2298                 extra_headers=math-68881.h
2299                 use_collect2=yes
2300                 float_format=m68k
2301                 ;;
2302 changequote(,)dnl
2303         m68k-next-nextstep[34]*)
2304 changequote([,])dnl
2305                 tm_file=m68k/next.h
2306                 xm_file="m68k/xm-next.h ${xm_file}"
2307                 tmake_file=m68k/t-next
2308                 xmake_file=m68k/x-next
2309                 extra_objs=nextstep.o
2310                 extra_parts="crtbegin.o crtend.o"
2311                 extra_headers=math-68881.h
2312                 float_format=m68k
2313                 if test x$enable_threads = xyes; then
2314                         thread_file='mach'
2315                 fi
2316                 ;;
2317         m68k-sun-sunos3*)
2318                 if test x$with_fp = xno
2319                 then
2320                         tm_file=m68k/sun3n3.h
2321                 else
2322                         tm_file=m68k/sun3o3.h
2323                         float_format=m68k
2324                 fi
2325                 use_collect2=yes
2326                 extra_headers=math-68881.h
2327                 ;;
2328         m68k-sun-sunos*)                        # For SunOS 4 (the default).
2329                 if test x$with_fp = xno
2330                 then
2331                         tm_file=m68k/sun3n.h
2332                 else
2333                         tm_file=m68k/sun3.h
2334                         float_format=m68k
2335                 fi
2336                 use_collect2=yes
2337                 extra_headers=math-68881.h
2338                 ;;
2339         m68k-wrs-vxworks*)
2340                 tm_file=m68k/vxm68k.h
2341                 tmake_file=m68k/t-vxworks68
2342                 extra_headers=math-68881.h
2343                 thread_file='vxworks'
2344                 float_format=m68k
2345                 ;;
2346         m68k-*-aout*)
2347                 tmake_file=m68k/t-m68kbare
2348                 tm_file="m68k/m68k-aout.h libgloss.h"
2349                 extra_headers=math-68881.h
2350                 float_format=m68k
2351                 ;;
2352         m68k-*-coff*)
2353                 tmake_file=m68k/t-m68kbare
2354                 tm_file="m68k/m68k-coff.h dbx.h libgloss.h"
2355                 extra_headers=math-68881.h
2356                 float_format=m68k
2357                 ;;
2358         m68020-*-elf* | m68k-*-elf*)
2359                 tm_file="m68k/m68020-elf.h"
2360                 xm_file=m68k/xm-m68kv.h
2361                 tmake_file=m68k/t-m68kelf
2362                 header_files=math-68881.h
2363                 ;;
2364         m68k-*-lynxos*)
2365                 if test x$gas = xyes
2366                 then
2367                         tm_file=m68k/lynx.h
2368                 else
2369                         tm_file=m68k/lynx-ng.h
2370                 fi
2371                 xm_file=m68k/xm-lynx.h
2372                 xmake_file=x-lynx
2373                 tmake_file=m68k/t-lynx
2374                 extra_headers=math-68881.h
2375                 float_format=m68k
2376                 ;;
2377         m68k*-*-netbsd*)
2378                 tm_file=m68k/netbsd.h
2379                 tmake_file=t-netbsd
2380                 float_format=m68k
2381                 use_collect2=yes
2382                 ;;
2383         m68k*-*-openbsd*)
2384                 float_format=m68k
2385                 # we need collect2 until our bug is fixed...
2386                 use_collect2=yes
2387                 ;;
2388         m68k-*-sysv3*)                  # Motorola m68k's running system V.3
2389                 xm_file="xm-alloca.h ${xm_file}"
2390                 xm_defines=USG
2391                 xmake_file=m68k/x-m68kv
2392                 extra_parts="crtbegin.o crtend.o"
2393                 extra_headers=math-68881.h
2394                 float_format=m68k
2395                 ;;
2396         m68k-*-sysv4*)                  # Motorola m68k's running system V.4
2397                 tm_file=m68k/m68kv4.h
2398                 xm_file="xm-alloca.h ${xm_file}"
2399                 xm_defines=USG
2400                 tmake_file=t-svr4
2401                 extra_parts="crtbegin.o crtend.o"
2402                 extra_headers=math-68881.h
2403                 float_format=m68k
2404                 ;;
2405         m68k-*-linux-gnuaout*)          # Motorola m68k's running GNU/Linux
2406                                         # with a.out format
2407                 xmake_file=x-linux
2408                 tm_file=m68k/linux-aout.h
2409                 tmake_file="t-linux-aout m68k/t-linux-aout"
2410                 extra_headers=math-68881.h
2411                 float_format=m68k
2412                 gnu_ld=yes
2413                 ;;
2414         m68k-*-linux-gnulibc1)          # Motorola m68k's running GNU/Linux
2415                                         # with ELF format using the
2416                                         # GNU/Linux C library 5
2417                 xmake_file=x-linux
2418                 tm_file=m68k/linux.h
2419                 tmake_file="t-linux t-linux-gnulibc1 m68k/t-linux"
2420                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2421                 extra_headers=math-68881.h
2422                 float_format=m68k
2423                 gnu_ld=yes
2424                 ;;
2425         m68k-*-linux-gnu*)              # Motorola m68k's running GNU/Linux
2426                                         # with ELF format using glibc 2
2427                                         # aka the GNU/Linux C library 6.
2428                 xmake_file=x-linux
2429                 tm_file=m68k/linux.h
2430                 tmake_file="t-linux m68k/t-linux"
2431                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2432                 extra_headers=math-68881.h
2433                 float_format=m68k
2434                 gnu_ld=yes
2435                 if test x$enable_threads = xyes; then
2436                         thread_file='posix'
2437                 fi
2438                 ;;
2439         m68k-*-psos*)
2440                 tmake_file=m68k/t-m68kbare
2441                 tm_file=m68k/m68k-psos.h
2442                 extra_headers=math-68881.h
2443                 float_format=m68k
2444                 ;;
2445         m68k-*-rtemscoff*)
2446                 tmake_file="m68k/t-m68kbare t-rtems"
2447                 tm_file=m68k/rtems.h
2448                 extra_headers=math-68881.h
2449                 float_format=m68k
2450                 ;;
2451         m68k-*-rtemself*|m68k-*-rtems*)
2452                 tmake_file="m68k/t-m68kbare t-rtems m68k/t-crtstuff"
2453                 tm_file=m68k/rtemself.h
2454                 extra_headers=math-68881.h
2455                 float_format=m68k
2456                 ;;
2457         m88k-dg-dgux*)
2458                 case $machine in
2459                   m88k-dg-dguxbcs*)
2460                     tm_file=m88k/dguxbcs.h
2461                     tmake_file=m88k/t-dguxbcs
2462                     ;;
2463                   *)
2464                     tm_file=m88k/dgux.h
2465                     tmake_file=m88k/t-dgux
2466                     ;;
2467                 esac
2468                 extra_parts="crtbegin.o bcscrtbegin.o crtend.o m88kdgux.ld"
2469                 xmake_file=m88k/x-dgux
2470                 if test x$gas = xyes
2471                 then
2472                         tmake_file=m88k/t-dgux-gas
2473                 fi
2474                 ;;
2475         m88k-dolphin-sysv3*)
2476                 tm_file=m88k/dolph.h
2477                 extra_parts="crtbegin.o crtend.o"
2478                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2479                 xmake_file=m88k/x-dolph
2480                 if test x$gas = xyes
2481                 then
2482                         tmake_file=m88k/t-m88k-gas
2483                 fi
2484                 ;;
2485         m88k-tektronix-sysv3)
2486                 tm_file=m88k/tekXD88.h
2487                 extra_parts="crtbegin.o crtend.o"
2488                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2489                 xmake_file=m88k/x-tekXD88
2490                 if test x$gas = xyes
2491                 then
2492                         tmake_file=m88k/t-m88k-gas
2493                 fi
2494                 ;;
2495         m88k-*-aout*)
2496                 tm_file=m88k/m88k-aout.h
2497                 ;;
2498         m88k-*-coff*)
2499                 tm_file=m88k/m88k-coff.h
2500                 tmake_file=m88k/t-bug
2501                 ;;
2502         m88k-*-luna*)
2503                 tm_file=m88k/luna.h
2504                 extra_parts="crtbegin.o crtend.o"
2505                 if test x$gas = xyes
2506                 then
2507                         tmake_file=m88k/t-luna-gas
2508                 else
2509                         tmake_file=m88k/t-luna
2510                 fi
2511                 ;;
2512         m88k-*-openbsd*)
2513                 tmake_file="${tmake_file} m88k/t-luna-gas"
2514                 ;;
2515         m88k-*-sysv3*)
2516                 tm_file=m88k/sysv3.h
2517                 extra_parts="crtbegin.o crtend.o"
2518                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2519                 xmake_file=m88k/x-sysv3
2520                 if test x$gas = xyes
2521                 then
2522                         tmake_file=m88k/t-m88k-gas
2523                 fi
2524                 ;;
2525         m88k-*-sysv4*)
2526                 tm_file=m88k/sysv4.h
2527                 extra_parts="crtbegin.o crtend.o"
2528                 xmake_file=m88k/x-sysv4
2529                 tmake_file=m88k/t-sysv4
2530                 ;;
2531         mcore-*-elf)
2532                 tm_file=mcore/mcore-elf.h
2533                 tmake_file=mcore/t-mcore
2534                 ;;
2535         mcore-*-pe*)
2536                 tm_file=mcore/mcore-pe.h
2537                 tmake_file=mcore/t-mcore-pe
2538                 ;;
2539         mips-sgi-irix6*)                # SGI System V.4., IRIX 6
2540                 if test "x$gnu_ld" = xyes
2541                 then
2542                         tm_file="mips/iris6.h mips/iris6gld.h"
2543                 else
2544                         tm_file=mips/iris6.h
2545                 fi
2546                 tmake_file=mips/t-iris6
2547                 xm_file=mips/xm-iris6.h
2548                 xmake_file=mips/x-iris6
2549 #               if test x$enable_threads = xyes; then
2550 #                       thread_file='irix'
2551 #               fi
2552                 ;;
2553         mips-wrs-vxworks)
2554                 tm_file="mips/elf.h mips/vxworks.h"
2555                 tmake_file=mips/t-ecoff
2556                 gas=yes
2557                 gnu_ld=yes
2558                 extra_parts="crtbegin.o crtend.o"
2559                 thread_file='vxworks'
2560                 ;;
2561         mips-sgi-irix5cross64)          # Irix5 host, Irix 6 target, cross64
2562                 tm_file="mips/iris6.h mips/cross64.h"
2563                 xm_defines=USG
2564                 xm_file="mips/xm-iris5.h"
2565                 xmake_file=mips/x-iris
2566                 tmake_file=mips/t-cross64
2567                 # See comment in mips/iris[56].h files.
2568                 use_collect2=yes
2569 #               if test x$enable_threads = xyes; then
2570 #                       thread_file='irix'
2571 #               fi
2572                 ;;
2573         mips-sni-sysv4)
2574                 if test x$gas = xyes
2575                 then
2576                         if test x$stabs = xyes
2577                         then
2578                                 tm_file=mips/iris5gdb.h
2579                         else
2580                                 tm_file="mips/sni-svr4.h mips/sni-gas.h"
2581                         fi
2582                 else
2583                         tm_file=mips/sni-svr4.h
2584                 fi
2585                 xm_defines=USG
2586                 xmake_file=mips/x-sni-svr4
2587                 tmake_file=mips/t-mips-gas
2588                 if test x$gnu_ld != xyes
2589                 then
2590                         use_collect2=yes
2591                 fi
2592                 ;;
2593         mips-sgi-irix5*)                # SGI System V.4., IRIX 5
2594                 if test x$gas = xyes
2595                 then
2596                         tm_file="mips/iris5.h mips/iris5gas.h"
2597                         if test x$stabs = xyes
2598                         then
2599                                 tm_file="${tm_file} dbx.h"
2600                         fi
2601                 else
2602                         tm_file=mips/iris5.h
2603                 fi
2604                 xm_defines=USG
2605                 xm_file="mips/xm-iris5.h"
2606                 xmake_file=mips/x-iris
2607                 # mips-tfile doesn't work yet
2608                 tmake_file=mips/t-mips-gas
2609                 # See comment in mips/iris5.h file.
2610                 use_collect2=yes
2611 #               if test x$enable_threads = xyes; then
2612 #                       thread_file='irix'
2613 #               fi
2614                 ;;
2615         mips-sgi-irix4loser*)           # Mostly like a MIPS.
2616                 tm_file="mips/iris4loser.h mips/iris3.h ${tm_file} mips/iris4.h"
2617                 if test x$stabs = xyes; then
2618                         tm_file="${tm_file} dbx.h"
2619                 fi
2620                 xm_defines=USG
2621                 xmake_file=mips/x-iris
2622                 if test x$gas = xyes
2623                 then
2624                         tmake_file=mips/t-mips-gas
2625                 else
2626                         extra_passes="mips-tfile mips-tdump"
2627                 fi
2628                 if test x$gnu_ld != xyes
2629                 then
2630                         use_collect2=yes
2631                 fi
2632 #               if test x$enable_threads = xyes; then
2633 #                       thread_file='irix'
2634 #               fi
2635                 ;;
2636         mips-sgi-irix4*)                # Mostly like a MIPS.
2637                 tm_file="mips/iris3.h ${tm_file} mips/iris4.h"
2638                 if test x$stabs = xyes; then
2639                         tm_file="${tm_file} dbx.h"
2640                 fi
2641                 xm_defines=USG
2642                 xmake_file=mips/x-iris
2643                 if test x$gas = xyes
2644                 then
2645                         tmake_file=mips/t-mips-gas
2646                 else
2647                         extra_passes="mips-tfile mips-tdump"
2648                 fi
2649                 if test x$gnu_ld != xyes
2650                 then
2651                         use_collect2=yes
2652                 fi
2653 #               if test x$enable_threads = xyes; then
2654 #                       thread_file='irix'
2655 #               fi
2656                 ;;
2657         mips-sgi-*)                     # Mostly like a MIPS.
2658                 tm_file="mips/iris3.h ${tm_file}"
2659                 if test x$stabs = xyes; then
2660                         tm_file="${tm_file} dbx.h"
2661                 fi
2662                 xm_defines=USG
2663                 xmake_file=mips/x-iris3
2664                 if test x$gas = xyes
2665                 then
2666                         tmake_file=mips/t-mips-gas
2667                 else
2668                         extra_passes="mips-tfile mips-tdump"
2669                 fi
2670                 if test x$gnu_ld != xyes
2671                 then
2672                         use_collect2=yes
2673                 fi
2674                 ;;
2675         mips-dec-osfrose*)              # Decstation running OSF/1 reference port with OSF/rose.
2676                 tm_file="mips/osfrose.h ${tm_file}"
2677                 xmake_file=mips/x-osfrose
2678                 tmake_file=mips/t-osfrose
2679                 extra_objs=halfpic.o
2680                 use_collect2=yes
2681                 ;;
2682         mips-dec-osf*)                  # Decstation running OSF/1 as shipped by DIGITAL
2683                 tm_file=mips/dec-osf1.h
2684                 if test x$stabs = xyes; then
2685                         tm_file="${tm_file} dbx.h"
2686                 fi
2687                 xmake_file=mips/x-dec-osf1
2688                 if test x$gas = xyes
2689                 then
2690                         tmake_file=mips/t-mips-gas
2691                 else
2692                         tmake_file=mips/t-ultrix
2693                         extra_passes="mips-tfile mips-tdump"
2694                 fi
2695                 if test x$gnu_ld != xyes
2696                 then
2697                         use_collect2=yes
2698                 fi
2699                 ;;
2700         mips-dec-bsd*)                  # Decstation running 4.4 BSD
2701               tm_file=mips/dec-bsd.h
2702               if test x$gas = xyes
2703               then
2704                         tmake_file=mips/t-mips-gas
2705               else
2706                         tmake_file=mips/t-ultrix
2707                         extra_passes="mips-tfile mips-tdump"
2708               fi
2709               if test x$gnu_ld != xyes
2710               then
2711                         use_collect2=yes
2712               fi
2713               ;;
2714         mipsel-*-netbsd* | mips-dec-netbsd*)    # Decstation running NetBSD
2715                 tm_file=mips/netbsd.h
2716                 # On NetBSD, the headers are already okay, except for math.h.
2717                 tmake_file=t-netbsd
2718                 ;;
2719        mips*-*-linux*)                         # Linux MIPS, either endian.
2720                 xmake_file=x-linux
2721                case $machine in
2722                        mipsel-*)  tm_file="mips/elfl.h mips/linux.h" ;;
2723                        *)         tm_file="mips/elf.h mips/linux.h" ;;
2724                esac
2725                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2726                 gnu_ld=yes
2727                 gas=yes
2728                 if test x$enable_threads = xyes; then
2729                         thread_file='posix'
2730                 fi
2731                 ;;
2732         mips*el-*-openbsd*)     # mips little endian
2733                 target_cpu_default="MASK_GAS|MASK_ABICALLS"
2734                 ;;
2735         mips*-*-openbsd*)               # mips big endian
2736                 target_cpu_default="MASK_GAS|MASK_ABICALLS"
2737                 tm_file="mips/openbsd-be.h ${tm_file}"
2738                 ;;
2739         mips-sony-bsd* | mips-sony-newsos*)     # Sony NEWS 3600 or risc/news.
2740                 tm_file="mips/news4.h ${tm_file}"
2741                 if test x$stabs = xyes; then
2742                         tm_file="${tm_file} dbx.h"
2743                 fi
2744                 if test x$gas = xyes
2745                 then
2746                         tmake_file=mips/t-mips-gas
2747                 else
2748                         extra_passes="mips-tfile mips-tdump"
2749                 fi
2750                 if test x$gnu_ld != xyes
2751                 then
2752                         use_collect2=yes
2753                 fi
2754                 xmake_file=mips/x-sony
2755                 ;;
2756         mips-sony-sysv*)                # Sony NEWS 3800 with NEWSOS5.0.
2757                                         # That is based on svr4.
2758                 # t-svr4 is not right because this system doesn't use ELF.
2759                 tm_file="mips/news5.h ${tm_file}"
2760                 if test x$stabs = xyes; then
2761                         tm_file="${tm_file} dbx.h"
2762                 fi
2763                 xm_defines=USG
2764                 if test x$gas = xyes
2765                 then
2766                         tmake_file=mips/t-mips-gas
2767                 else
2768                         extra_passes="mips-tfile mips-tdump"
2769                 fi
2770                 if test x$gnu_ld != xyes
2771                 then
2772                         use_collect2=yes
2773                 fi
2774                 ;;
2775         mips-tandem-sysv4*)             # Tandem S2 running NonStop UX
2776                 tm_file="mips/svr4-5.h mips/svr4-t.h"
2777                 if test x$stabs = xyes; then
2778                         tm_file="${tm_file} dbx.h"
2779                 fi
2780                 xm_defines=USG
2781                 xmake_file=mips/x-sysv
2782                 if test x$gas = xyes
2783                 then
2784                         tmake_file=mips/t-mips-gas
2785                         extra_parts="crtbegin.o crtend.o"
2786                 else
2787                         tmake_file=mips/t-mips
2788                         extra_passes="mips-tfile mips-tdump"
2789                 fi
2790                 if test x$gnu_ld != xyes
2791                 then
2792                         use_collect2=yes
2793                 fi
2794                 ;;
2795         mips-*-ultrix* | mips-dec-mach3)        # Decstation.
2796                 tm_file="mips/ultrix.h ${tm_file}"
2797                 if test x$stabs = xyes; then
2798                         tm_file="${tm_file} dbx.h"
2799                 fi
2800                 xmake_file=mips/x-ultrix
2801                 if test x$gas = xyes
2802                 then
2803                         tmake_file=mips/t-mips-gas
2804                 else
2805                         tmake_file=mips/t-ultrix
2806                         extra_passes="mips-tfile mips-tdump"
2807                 fi
2808                 if test x$gnu_ld != xyes
2809                 then
2810                         use_collect2=yes
2811                 fi
2812                 ;;
2813 changequote(,)dnl
2814         mips-*-riscos[56789]bsd*)
2815 changequote([,])dnl
2816                 tm_file=mips/bsd-5.h    # MIPS BSD 4.3, RISC-OS 5.0
2817                 if test x$stabs = xyes; then
2818                         tm_file="${tm_file} dbx.h"
2819                 fi
2820                 if test x$gas = xyes
2821                 then
2822                         tmake_file=mips/t-bsd-gas
2823                 else
2824                         tmake_file=mips/t-bsd
2825                         extra_passes="mips-tfile mips-tdump"
2826                 fi
2827                 if test x$gnu_ld != xyes
2828                 then
2829                         use_collect2=yes
2830                 fi
2831                 ;;
2832 changequote(,)dnl
2833         mips-*-bsd* | mips-*-riscosbsd* | mips-*-riscos[1234]bsd*)
2834 changequote([,])dnl
2835                 tm_file="mips/bsd-4.h ${tm_file}" # MIPS BSD 4.3, RISC-OS 4.0
2836                 if test x$stabs = xyes; then
2837                         tm_file="${tm_file} dbx.h"
2838                 fi
2839                 if test x$gas = xyes
2840                 then
2841                         tmake_file=mips/t-bsd-gas
2842                 else
2843                         tmake_file=mips/t-bsd
2844                         extra_passes="mips-tfile mips-tdump"
2845                 fi
2846                 if test x$gnu_ld != xyes
2847                 then
2848                         use_collect2=yes
2849                 fi
2850                 ;;
2851 changequote(,)dnl
2852         mips-*-riscos[56789]sysv4*)
2853 changequote([,])dnl
2854                 tm_file=mips/svr4-5.h   # MIPS System V.4., RISC-OS 5.0
2855                 if test x$stabs = xyes; then
2856                         tm_file="${tm_file} dbx.h"
2857                 fi
2858                 xmake_file=mips/x-sysv
2859                 if test x$gas = xyes
2860                 then
2861                         tmake_file=mips/t-svr4-gas
2862                 else
2863                         tmake_file=mips/t-svr4
2864                         extra_passes="mips-tfile mips-tdump"
2865                 fi
2866                 if test x$gnu_ld != xyes
2867                 then
2868                         use_collect2=yes
2869                 fi
2870                 ;;
2871 changequote(,)dnl
2872         mips-*-sysv4* | mips-*-riscos[1234]sysv4* | mips-*-riscossysv4*)
2873 changequote([,])dnl
2874                 tm_file="mips/svr4-4.h ${tm_file}"
2875                 if test x$stabs = xyes; then
2876                         tm_file="${tm_file} dbx.h"
2877                 fi
2878                 xm_defines=USG
2879                 xmake_file=mips/x-sysv
2880                 if test x$gas = xyes
2881                 then
2882                         tmake_file=mips/t-svr4-gas
2883                 else
2884                         tmake_file=mips/t-svr4
2885                         extra_passes="mips-tfile mips-tdump"
2886                 fi
2887                 if test x$gnu_ld != xyes
2888                 then
2889                         use_collect2=yes
2890                 fi
2891                 ;;
2892 changequote(,)dnl
2893         mips-*-riscos[56789]sysv*)
2894 changequote([,])dnl
2895                 tm_file=mips/svr3-5.h   # MIPS System V.3, RISC-OS 5.0
2896                 if test x$stabs = xyes; then
2897                         tm_file="${tm_file} dbx.h"
2898                 fi
2899                 xm_defines=USG
2900                 xmake_file=mips/x-sysv
2901                 if test x$gas = xyes
2902                 then
2903                         tmake_file=mips/t-svr3-gas
2904                 else
2905                         tmake_file=mips/t-svr3
2906                         extra_passes="mips-tfile mips-tdump"
2907                 fi
2908                 if test x$gnu_ld != xyes
2909                 then
2910                         use_collect2=yes
2911                 fi
2912                 ;;
2913         mips-*-sysv* | mips-*-riscos*sysv*)
2914                 tm_file="mips/svr3-4.h ${tm_file}"
2915                 if test x$stabs = xyes; then
2916                         tm_file="${tm_file} dbx.h"
2917                 fi
2918                 xm_defines=USG
2919                 xmake_file=mips/x-sysv
2920                 if test x$gas = xyes
2921                 then
2922                         tmake_file=mips/t-svr3-gas
2923                 else
2924                         tmake_file=mips/t-svr3
2925                         extra_passes="mips-tfile mips-tdump"
2926                 fi
2927                 if test x$gnu_ld != xyes
2928                 then
2929                         use_collect2=yes
2930                 fi
2931                 ;;
2932 changequote(,)dnl
2933         mips-*-riscos[56789]*)          # Default MIPS RISC-OS 5.0.
2934 changequote([,])dnl
2935                 tm_file=mips/mips-5.h
2936                 if test x$stabs = xyes; then
2937                         tm_file="${tm_file} dbx.h"
2938                 fi
2939                 if test x$gas = xyes
2940                 then
2941                         tmake_file=mips/t-mips-gas
2942                 else
2943                         extra_passes="mips-tfile mips-tdump"
2944                 fi
2945                 if test x$gnu_ld != xyes
2946                 then
2947                         use_collect2=yes
2948                 fi
2949                 ;;
2950         mips-*-gnu*)
2951                 ;;
2952         mipsel-*-ecoff*)
2953                 tm_file=mips/ecoffl.h
2954                 if test x$stabs = xyes; then
2955                         tm_file="${tm_file} dbx.h"
2956                 fi
2957                 tmake_file=mips/t-ecoff
2958                 ;;
2959         mips-*-ecoff*)
2960                 tm_file="gofast.h mips/ecoff.h"
2961                 if test x$stabs = xyes; then
2962                         tm_file="${tm_file} dbx.h"
2963                 fi
2964                 tmake_file=mips/t-ecoff
2965                 ;;
2966         mipsel-*-elf*)
2967                 tm_file="mips/elfl.h"
2968                 tmake_file=mips/t-elf
2969                 ;;
2970         mips-*-elf*)
2971                 tm_file="mips/elf.h"
2972                 tmake_file=mips/t-elf
2973                 ;;
2974         mips64el-*-elf*)
2975                 tm_file="mips/elfl64.h"
2976                 tmake_file=mips/t-elf
2977                 ;;
2978         mips64orionel-*-elf*)
2979                 tm_file="mips/elforion.h mips/elfl64.h"
2980                 tmake_file=mips/t-elf
2981                 ;;
2982         mips64-*-elf*)
2983                 tm_file="mips/elf64.h"
2984                 tmake_file=mips/t-elf
2985                 ;;
2986         mips64orion-*-elf*)
2987                 tm_file="mips/elforion.h mips/elf64.h"
2988                 tmake_file=mips/t-elf
2989                 ;;
2990         mips64orion-*-rtems*)
2991                 tm_file="mips/elforion.h mips/elf64.h mips/rtems64.h"
2992                 tmake_file="mips/t-elf t-rtems"
2993                 ;;
2994         mipstx39el-*-elf*)
2995                 tm_file="mips/r3900.h mips/elfl.h mips/abi64.h"
2996                 tmake_file=mips/t-r3900
2997                 ;;
2998         mipstx39-*-elf*)
2999                 tm_file="mips/r3900.h mips/elf.h mips/abi64.h"
3000                 tmake_file=mips/t-r3900
3001                 ;;
3002         mips-*-*)                               # Default MIPS RISC-OS 4.0.
3003                 if test x$stabs = xyes; then
3004                         tm_file="${tm_file} dbx.h"
3005                 fi
3006                 if test x$gas = xyes
3007                 then
3008                         tmake_file=mips/t-mips-gas
3009                 else
3010                         extra_passes="mips-tfile mips-tdump"
3011                 fi
3012                 if test x$gnu_ld != xyes
3013                 then
3014                         use_collect2=yes
3015                 fi
3016                 ;;
3017         mn10200-*-*)
3018                 float_format=i32
3019                 cpu_type=mn10200
3020                 tm_file="mn10200/mn10200.h"
3021                 if test x$stabs = xyes
3022                 then
3023                         tm_file="${tm_file} dbx.h"
3024                 fi
3025                 use_collect2=no
3026                 ;;
3027         mn10300-*-*)
3028                 cpu_type=mn10300
3029                 tm_file="mn10300/mn10300.h"
3030                 if test x$stabs = xyes
3031                 then
3032                         tm_file="${tm_file} dbx.h"
3033                 fi
3034                 use_collect2=no
3035                 ;;
3036         ns32k-encore-bsd*)
3037                 tm_file=ns32k/encore.h
3038                 use_collect2=yes
3039                 ;;
3040         ns32k-sequent-bsd*)
3041                 tm_file=ns32k/sequent.h
3042                 use_collect2=yes
3043                 ;;
3044         ns32k-tek6100-bsd*)
3045                 tm_file=ns32k/tek6100.h
3046                 use_collect2=yes
3047                 ;;
3048         ns32k-tek6200-bsd*)
3049                 tm_file=ns32k/tek6200.h
3050                 use_collect2=yes
3051                 ;;
3052 # This has not been updated to GCC 2.
3053 #       ns32k-ns-genix*)
3054 #               xm_defines=USG
3055 #               xmake_file=ns32k/x-genix
3056 #               tm_file=ns32k/genix.h
3057 #               use_collect2=yes
3058 #               ;;
3059         ns32k-merlin-*)
3060                 tm_file=ns32k/merlin.h
3061                 use_collect2=yes
3062                 ;;
3063         ns32k-pc532-mach*)
3064                 tm_file=ns32k/pc532-mach.h
3065                 use_collect2=yes
3066                 ;;
3067         ns32k-pc532-minix*)
3068                 tm_file=ns32k/pc532-min.h
3069                 xm_file="ns32k/xm-pc532-min.h ${xm-file}"
3070                 xm_defines=USG
3071                 use_collect2=yes
3072                 ;;
3073         ns32k-*-netbsd*)
3074                 tm_file=ns32k/netbsd.h
3075                 xm_file="ns32k/xm-netbsd.h ${xm_file}"
3076                 # On NetBSD, the headers are already okay, except for math.h.
3077                 tmake_file=t-netbsd
3078                 use_collect2=yes
3079                 ;;
3080         pdp11-*-bsd)
3081                 tm_file="${tm_file} pdp11/2bsd.h"
3082                 ;;
3083         pdp11-*-*)
3084                 ;;
3085         avr-*-*)
3086                 ;;
3087         ns32k-*-openbsd*)
3088                 # Nothing special
3089                 ;;
3090 # This has not been updated to GCC 2.
3091 #       pyramid-*-*)
3092 #               cpu_type=pyr
3093 #               xmake_file=pyr/x-pyr
3094 #               use_collect2=yes
3095 #               ;;
3096
3097         pj*-linux*)
3098                 tm_file="svr4.h pj/linux.h ${tm_file}"
3099                 ;;
3100         pj-*)
3101                 ;;
3102         pjl-*)
3103                 tm_file="svr4.h pj/pjl.h ${tm_file}"
3104                 ;;
3105
3106         romp-*-aos*)
3107                 use_collect2=yes
3108                 ;;
3109         romp-*-mach*)
3110                 xmake_file=romp/x-mach
3111                 use_collect2=yes
3112                 ;;
3113         romp-*-openbsd*)
3114                 # Nothing special
3115                 ;;
3116         powerpc-*-openbsd*)
3117                 tmake_file="${tmake_file} rs6000/t-rs6000 rs6000/t-openbsd"
3118                 ;;
3119         powerpc-*-beos*)
3120                 cpu_type=rs6000
3121                 tm_file=rs6000/beos.h
3122                 xm_file=rs6000/xm-beos.h
3123                 tmake_file=rs6000/t-beos
3124                 xmake_file=rs6000/x-beos
3125                 ;;
3126         powerpc-*-sysv*)
3127                 tm_file=rs6000/sysv4.h
3128                 xm_file="rs6000/xm-sysv4.h"
3129                 xm_defines="USG POSIX"
3130                 extra_headers=ppc-asm.h
3131                 tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
3132                 xmake_file=rs6000/x-sysv4
3133                 ;;
3134         powerpc-*-eabiaix*)
3135                 tm_file="rs6000/sysv4.h rs6000/eabi.h rs6000/eabiaix.h"
3136                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3137                 extra_headers=ppc-asm.h
3138                 ;;
3139         powerpc-*-eabisim*)
3140                 tm_file="rs6000/sysv4.h rs6000/eabi.h rs6000/eabisim.h"
3141                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3142                 extra_headers=ppc-asm.h
3143                 ;;
3144         powerpc-*-elf*)
3145                 tm_file="rs6000/sysv4.h"
3146                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3147                 extra_headers=ppc-asm.h
3148                 ;;
3149         powerpc-*-eabi*)
3150                 tm_file="rs6000/sysv4.h rs6000/eabi.h"
3151                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3152                 extra_headers=ppc-asm.h
3153                 ;;
3154         powerpc-*-rtems*)
3155                 tm_file="rs6000/sysv4.h rs6000/eabi.h rs6000/rtems.h"
3156                 tmake_file="rs6000/t-ppcgas t-rtems rs6000/t-ppccomm"
3157                 extra_headers=ppc-asm.h
3158                 ;;
3159         powerpc-*-linux-gnulibc1)
3160                 tm_file="rs6000/sysv4.h rs6000/linux.h"
3161                 xm_file=rs6000/xm-sysv4.h
3162                 out_file=rs6000/rs6000.c
3163                 tmake_file="rs6000/t-ppcos t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
3164                 xmake_file=x-linux
3165                 extra_headers=ppc-asm.h
3166                 if test x$enable_threads = xyes; then
3167                         thread_file='posix'
3168                 fi
3169                 ;;
3170         powerpc-*-linux-gnu*)
3171                 tm_file="rs6000/sysv4.h rs6000/linux.h"
3172                 xm_file="rs6000/xm-sysv4.h"
3173                 xm_defines="USG ${xm_defines}"
3174                 out_file=rs6000/rs6000.c
3175                 tmake_file="rs6000/t-ppcos t-linux rs6000/t-ppccomm"
3176                 xmake_file=x-linux
3177                 extra_headers=ppc-asm.h
3178                 if test x$enable_threads = xyes; then
3179                         thread_file='posix'
3180                 fi
3181                 ;;
3182         powerpc-wrs-vxworks*)
3183                 cpu_type=rs6000
3184                 xm_file="rs6000/xm-sysv4.h"
3185                 xm_defines="USG POSIX"
3186                 tm_file="rs6000/sysv4.h rs6000/vxppc.h"
3187                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3188                 extra_headers=ppc-asm.h
3189                 thread_file='vxworks'
3190                 ;;
3191         powerpcle-wrs-vxworks*)
3192                 cpu_type=rs6000
3193                 xm_file="rs6000/xm-sysv4.h"
3194                 xm_defines="USG POSIX"
3195                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h rs6000/vxppc.h"
3196                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3197                 extra_headers=ppc-asm.h
3198                 thread_file='vxworks'
3199                 ;;
3200         powerpcle-*-sysv*)
3201                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h"
3202                 xm_file="rs6000/xm-sysv4.h"
3203                 xm_defines="USG POSIX"
3204                 tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
3205                 xmake_file=rs6000/x-sysv4
3206                 extra_headers=ppc-asm.h
3207                 ;;
3208         powerpcle-*-elf*)
3209                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h"
3210                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3211                 extra_headers=ppc-asm.h
3212                 ;;
3213         powerpcle-*-eabisim*)
3214                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h rs6000/eabi.h rs6000/eabisim.h"
3215                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3216                 extra_headers=ppc-asm.h
3217                 ;;
3218         powerpcle-*-eabi*)
3219                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h rs6000/eabi.h"
3220                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3221                 extra_headers=ppc-asm.h
3222                 ;;
3223         powerpcle-*-solaris2*)
3224                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h rs6000/sol2.h"
3225                 xm_file="rs6000/xm-sysv4.h"
3226                 xm_defines="USG POSIX"
3227                 tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
3228                 xmake_file=rs6000/x-sysv4
3229                 extra_headers=ppc-asm.h
3230                 ;;
3231 changequote(,)dnl
3232         rs6000-ibm-aix3.[01]*)
3233 changequote([,])dnl
3234                 tm_file=rs6000/aix31.h
3235                 xmake_file=rs6000/x-aix31
3236                 float_format=none
3237                 use_collect2=yes
3238                 ;;
3239 changequote(,)dnl
3240         rs6000-ibm-aix3.2.[456789]* | powerpc-ibm-aix3.2.[456789]*)
3241 changequote([,])dnl
3242                 tm_file=rs6000/aix3newas.h
3243                 if test x$host != x$target
3244                 then
3245                         tmake_file=rs6000/t-xnewas
3246                 else
3247                         tmake_file=rs6000/t-newas
3248                 fi
3249                 float_format=none
3250                 use_collect2=yes
3251                 ;;
3252 changequote(,)dnl
3253         rs6000-ibm-aix4.[12]* | powerpc-ibm-aix4.[12]*)
3254 changequote([,])dnl
3255                 tm_file=rs6000/aix41.h
3256                 if test x$host != x$target
3257                 then
3258                         tmake_file=rs6000/t-xnewas
3259                 else
3260                         tmake_file=rs6000/t-newas
3261                 fi
3262                 if test "$gnu_ld" = yes
3263                 then
3264                         xmake_file=rs6000/x-aix41-gld
3265                 else
3266                         tmake_file="rs6000/t-newas rs6000/t-aix41"
3267                 fi
3268                 xmake_file=rs6000/x-aix41
3269                 float_format=none
3270                 use_collect2=yes
3271                 ;;
3272 changequote(,)dnl
3273         rs6000-ibm-aix4.[3456789]* | powerpc-ibm-aix4.[3456789]*)
3274 changequote([,])dnl
3275                 tm_file=rs6000/aix43.h
3276                 tmake_file=rs6000/t-aix43
3277                 xmake_file=rs6000/x-aix41
3278                 float_format=none
3279                 use_collect2=yes
3280                 ;;
3281 changequote(,)dnl
3282         rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
3283 changequote([,])dnl
3284                 tm_file=rs6000/aix43.h
3285                 tmake_file=rs6000/t-aix43
3286                 xmake_file=rs6000/x-aix41
3287                 float_format=none
3288                 use_collect2=yes
3289                 ;;
3290         rs6000-ibm-aix*)
3291                 float_format=none
3292                 use_collect2=yes
3293                 ;;
3294         rs6000-bull-bosx)
3295                 float_format=none
3296                 use_collect2=yes
3297                 ;;
3298         rs6000-*-mach*)
3299                 tm_file=rs6000/mach.h
3300                 xm_file="${xm_file} rs6000/xm-mach.h"
3301                 xmake_file=rs6000/x-mach
3302                 use_collect2=yes
3303                 ;;
3304         rs6000-*-lynxos*)
3305                 tm_file=rs6000/lynx.h
3306                 xm_file=rs6000/xm-lynx.h
3307                 tmake_file=rs6000/t-rs6000
3308                 xmake_file=rs6000/x-lynx
3309                 use_collect2=yes
3310                 ;;
3311         sh-*-elf*)
3312                 tm_file=sh/elf.h
3313                 float_format=sh
3314                 ;;
3315         sh-*-rtemself*)
3316                 tmake_file="sh/t-sh t-rtems"
3317                 tm_file=sh/rtemself.h
3318                 float_format=sh
3319                 ;;
3320         sh-*-rtems*)
3321                 tmake_file="sh/t-sh t-rtems"
3322                 tm_file=sh/rtems.h
3323                 float_format=sh
3324                 ;;
3325         sh-*-*)
3326                 float_format=sh
3327                 ;;
3328         sparc-tti-*)
3329                 tm_file=sparc/pbd.h
3330                 xm_file="xm-alloca.h ${xm_file}"
3331                 xm_defines=USG
3332                 ;;
3333         sparc-wrs-vxworks* | sparclite-wrs-vxworks*)
3334                 tm_file=sparc/vxsparc.h
3335                 tmake_file=sparc/t-vxsparc
3336                 use_collect2=yes
3337                 thread_file='vxworks'
3338                 ;;
3339         sparc-*-aout*)
3340                 tmake_file=sparc/t-sparcbare
3341                 tm_file="sparc/aout.h libgloss.h"
3342                 ;;
3343         sparc-*-netbsd*)
3344                 tm_file=sparc/netbsd.h
3345                 tmake_file=t-netbsd
3346                 use_collect2=yes
3347                 ;;
3348         sparc-*-openbsd*)
3349                 # we need collect2 until our bug is fixed...
3350                 use_collect2=yes
3351                 ;;
3352         sparc-*-bsd*)
3353                 tm_file=sparc/bsd.h
3354                 ;;
3355         sparc-*-elf*)
3356                 tm_file=sparc/elf.h
3357                 tmake_file=sparc/t-elf
3358                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
3359                 #float_format=i128
3360                 float_format=i64
3361                 ;;
3362         sparc-*-linux-gnuaout*)         # Sparc's running GNU/Linux, a.out
3363                 xm_file="${xm_file} sparc/xm-linux.h"
3364                 tm_file=sparc/linux-aout.h
3365                 xmake_file=x-linux
3366                 gnu_ld=yes
3367                 ;;
3368         sparc-*-linux-gnulibc1*)        # Sparc's running GNU/Linux, libc5
3369                 xm_file="${xm_file} sparc/xm-linux.h"
3370                 xmake_file=x-linux
3371                 tm_file=sparc/linux.h
3372                 tmake_file="t-linux t-linux-gnulibc1"
3373                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3374                 gnu_ld=yes
3375                 float_format=sparc
3376                 ;;
3377         sparc-*-linux-gnu*)             # Sparc's running GNU/Linux, libc6
3378                 xm_file="${xm_file} sparc/xm-linux.h"
3379                 xmake_file=x-linux
3380                 tm_file=sparc/linux.h
3381                 tmake_file="t-linux"
3382                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3383                 gnu_ld=yes
3384                 if test x$enable_threads = xyes; then
3385                         thread_file='posix'
3386                 fi
3387                 float_format=sparc
3388                 ;;
3389         sparc-*-lynxos*)
3390                 if test x$gas = xyes
3391                 then
3392                         tm_file=sparc/lynx.h
3393                 else
3394                         tm_file=sparc/lynx-ng.h
3395                 fi
3396                 xm_file=sparc/xm-lynx.h
3397                 tmake_file=sparc/t-sunos41
3398                 xmake_file=x-lynx
3399                 ;;
3400         sparc-*-rtemsaout*)
3401                 tmake_file="sparc/t-sparcbare t-rtems"
3402                 tm_file=sparc/rtems.h
3403                 ;;
3404         sparc-*-rtems*|sparc-*-rtemself*)
3405                 tm_file="sparc/rtemself.h"
3406                 tmake_file="sparc/t-elf t-rtems"
3407                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
3408                 #float_format=i128
3409                 float_format=i64
3410                 ;;
3411         sparcv9-*-solaris2*)
3412                 if test x$gnu_ld = xyes
3413                 then
3414                         tm_file=sparc/sol2-64.h
3415                 else
3416                         tm_file=sparc/sol2-sld-64.h
3417                 fi
3418                 xm_file="sparc/xm-sysv4-64.h sparc/xm-sol2.h"
3419                 xm_defines="USG POSIX"
3420                 tmake_file="sparc/t-sol2 sparc/t-sol2-64"
3421                 xmake_file=sparc/x-sysv4
3422                 extra_parts="crt1.o crti.o crtn.o gcrt1.o crtbegin.o crtend.o"
3423                 float_format=none
3424                 if test x${enable_threads} = x ; then
3425                     enable_threads=$have_pthread_h
3426                     if test x${enable_threads} = x ; then
3427                         enable_threads=$have_thread_h
3428                     fi
3429                 fi
3430                 if test x${enable_threads} = xyes ; then
3431                     if test x${have_pthread_h} = xyes ; then
3432                         thread_file='posix'
3433                     else
3434                         thread_file='solaris'
3435                     fi
3436                 fi
3437                 ;;
3438         sparc-hal-solaris2*)
3439                 xm_file="sparc/xm-sysv4.h sparc/xm-sol2.h"
3440                 xm_defines="USG POSIX"
3441                 tm_file="sparc/sol2.h sparc/hal.h"
3442                 tmake_file="sparc/t-halos sparc/t-sol2"
3443                 xmake_file=sparc/x-sysv4
3444                 extra_parts="crt1.o crti.o crtn.o gmon.o crtbegin.o crtend.o"
3445                 case $machine in
3446 changequote(,)dnl
3447                 *-*-solaris2.[0-4])
3448 changequote([,])dnl
3449                         float_format=i128
3450                 ;;
3451                 *)
3452                         float_format=none
3453                         ;;
3454                 esac
3455                 thread_file='solaris'
3456                 ;;
3457         sparc-*-solaris2*)
3458                 if test x$gnu_ld = xyes
3459                 then
3460                         tm_file=sparc/sol2.h
3461                 else
3462                         tm_file=sparc/sol2-sld.h
3463                 fi
3464                 xm_file="sparc/xm-sysv4.h sparc/xm-sol2.h"
3465                 xm_defines="USG POSIX"
3466                 tmake_file=sparc/t-sol2
3467                 xmake_file=sparc/x-sysv4
3468                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
3469                 case $machine in
3470 changequote(,)dnl
3471                 *-*-solaris2.[0-6] | *-*-solaris2.[0-6].*) ;;
3472 changequote([,])dnl
3473                 *-*-solaris2*)
3474                         if test x$gnu_ld = xyes
3475                         then
3476                                 tm_file=sparc/sol2-64.h
3477                         else
3478                                 tm_file=sparc/sol2-sld-64.h
3479                         fi
3480                         tmake_file="$tmake_file sparc/t-sol2-64"
3481                         ;;
3482                 esac
3483                 case $machine in
3484 changequote(,)dnl
3485                 *-*-solaris2.[0-4])
3486 changequote([,])dnl
3487                         float_format=i128
3488                         ;;
3489                 *)
3490                         float_format=none
3491                         ;;
3492                 esac
3493                 if test x${enable_threads} = x; then
3494                     enable_threads=$have_pthread_h
3495                     if test x${enable_threads} = x; then
3496                         enable_threads=$have_thread_h
3497                     fi
3498                 fi
3499                 if test x${enable_threads} = xyes; then
3500                     if test x${have_pthread_h} = xyes; then
3501                         thread_file='posix'
3502                     else
3503                         thread_file='solaris'
3504                     fi
3505                 fi
3506                 ;;
3507         sparc-*-sunos4.0*)
3508                 tm_file=sparc/sunos4.h
3509                 tmake_file=sparc/t-sunos40
3510                 use_collect2=yes
3511                 ;;
3512         sparc-*-sunos4*)
3513                 tm_file=sparc/sunos4.h
3514                 tmake_file=sparc/t-sunos41
3515                 use_collect2=yes
3516                 if test x$gas = xyes; then
3517                         tm_file="${tm_file} sparc/sun4gas.h"
3518                 fi
3519                 ;;
3520         sparc-*-sunos3*)
3521                 tm_file=sparc/sun4o3.h
3522                 use_collect2=yes
3523                 ;;
3524         sparc-*-sysv4*)
3525                 tm_file=sparc/sysv4.h
3526                 xm_file="sparc/xm-sysv4.h"
3527                 xm_defines="USG POSIX"
3528                 tmake_file=t-svr4
3529                 xmake_file=sparc/x-sysv4
3530                 extra_parts="crtbegin.o crtend.o"
3531                 ;;
3532         sparc-*-vxsim*)
3533                 xm_file="sparc/xm-sysv4.h sparc/xm-sol2.h"
3534                 xm_defines="USG POSIX"
3535                 tm_file=sparc/vxsim.h
3536                 tmake_file=sparc/t-vxsparc
3537                 xmake_file=sparc/x-sysv4
3538                 ;;
3539         sparclet-*-aout*)
3540                 tm_file="sparc/splet.h libgloss.h"
3541                 tmake_file=sparc/t-splet
3542                 ;;
3543         sparclite-*-coff*)
3544                 tm_file="sparc/litecoff.h libgloss.h"
3545                 tmake_file=sparc/t-sparclite
3546                 ;;
3547         sparclite-*-aout*)
3548                 tm_file="sparc/lite.h aoutos.h libgloss.h"
3549                 tmake_file=sparc/t-sparclite
3550                 ;;
3551         sparclite-*-elf*)
3552                 tm_file="sparc/liteelf.h"
3553                 tmake_file=sparc/t-sparclite
3554                 extra_parts="crtbegin.o crtend.o"
3555                 ;;
3556         sparc86x-*-aout*)
3557                 tm_file="sparc/sp86x-aout.h aoutos.h libgloss.h"
3558                 tmake_file=sparc/t-sp86x
3559                 ;;
3560         sparc86x-*-elf*)
3561                 tm_file="sparc/sp86x-elf.h"
3562                 tmake_file=sparc/t-sp86x
3563                 extra_parts="crtbegin.o crtend.o"
3564                 ;;
3565         sparc64-*-aout*)
3566                 tmake_file=sparc/t-sp64
3567                 tm_file=sparc/sp64-aout.h
3568                 ;;
3569         sparc64-*-elf*)
3570                 tmake_file=sparc/t-sp64
3571                 tm_file=sparc/sp64-elf.h
3572                 extra_parts="crtbegin.o crtend.o"
3573                 ;;
3574         sparc64-*-linux*)               # 64-bit Sparc's running GNU/Linux
3575                 tmake_file="t-linux sparc/t-linux64"
3576                 xm_file="sparc/xm-sp64.h sparc/xm-linux.h"
3577                 tm_file=sparc/linux64.h
3578                 xmake_file=x-linux
3579                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3580                 gnu_ld=yes
3581                 if test x$enable_threads = xyes; then
3582                         thread_file='posix'
3583                 fi
3584                 float_format=sparc
3585                 ;;
3586 # This hasn't been upgraded to GCC 2.
3587 #       tahoe-harris-*)                 # Harris tahoe, using COFF.
3588 #               tm_file=tahoe/harris.h
3589 #               ;;
3590 #       tahoe-*-bsd*)                   # tahoe running BSD
3591 #               ;;
3592
3593         thumb*-*-*)
3594                 AC_MSG_ERROR([
3595 *** The Thumb targets have been depreciated.  The equivalent
3596 *** ARM based toolchain can now generated Thumb instructions
3597 *** when the -mthumb switch is given to the compiler.])
3598                 ;;
3599 # This hasn't been upgraded to GCC 2.
3600 #       tron-*-*)
3601 #               cpu_type=gmicro
3602 #               use_collect2=yes
3603 #               ;;
3604         v850-*-rtems*)
3605                 cpu_type=v850
3606                 tm_file="v850/rtems.h"
3607                 xm_file="v850/xm-v850.h"
3608                 tmake_file="v850/t-v850 t-rtems"
3609                 if test x$stabs = xyes
3610                 then
3611                         tm_file="${tm_file} dbx.h"
3612                 fi
3613                 use_collect2=no
3614                 ;;
3615         v850-*-*)
3616                 target_cpu_default="TARGET_CPU_generic"
3617                 cpu_type=v850
3618                 tm_file="v850/v850.h"
3619                 xm_file="v850/xm-v850.h"
3620                 tmake_file=v850/t-v850
3621                 if test x$stabs = xyes
3622                 then
3623                         tm_file="${tm_file} dbx.h"
3624                 fi
3625                 use_collect2=no
3626                 ;;
3627         vax-*-bsd*)                     # vaxen running BSD
3628                 use_collect2=yes
3629                 float_format=vax
3630                 ;;
3631         vax-*-sysv*)                    # vaxen running system V
3632                 tm_file="${tm_file} vax/vaxv.h"
3633                 xm_defines=USG
3634                 float_format=vax
3635                 ;;
3636         vax-*-netbsd*)
3637                 tm_file="${tm_file} netbsd.h vax/netbsd.h"
3638                 tmake_file=t-netbsd
3639                 float_format=vax
3640                 use_collect2=yes
3641                 ;;
3642         vax-*-openbsd*)
3643                 tmake_file="${tmake_file} vax/t-openbsd"
3644                 ;;
3645         vax-*-ultrix*)                  # vaxen running ultrix
3646                 tm_file="${tm_file} vax/ultrix.h"
3647                 use_collect2=yes
3648                 float_format=vax
3649                 ;;
3650         vax-*-vms*)                     # vaxen running VMS
3651                 xm_file=vax/xm-vms.h
3652                 tm_file=vax/vms.h
3653                 float_format=vax
3654                 ;;
3655         vax-*-*)                        # vax default entry
3656                 float_format=vax
3657                 ;;
3658         we32k-att-sysv*)
3659                 xm_file="${xm_file} xm-svr3"
3660                 use_collect2=yes
3661                 ;;
3662         *)
3663                 echo "Configuration $machine not supported" 1>&2
3664                 exit 1
3665                 ;;
3666         esac
3667
3668         case $machine in
3669         *-*-linux-gnu*)
3670                 ;; # Existing GNU/Linux systems do not use the GNU setup.
3671         *-*-gnu*)
3672                 # On the GNU system, the setup is just about the same on
3673                 # each different CPU.  The specific machines that GNU
3674                 # supports are matched above and just set $cpu_type.
3675                 xm_file="xm-gnu.h ${xm_file}"
3676                 tm_file=${cpu_type}/gnu.h
3677                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
3678                 # GNU always uses ELF.
3679                 elf=yes
3680                 # GNU tools are the only tools.
3681                 gnu_ld=yes
3682                 gas=yes
3683                 xmake_file=x-linux      # These details are the same as Linux.
3684                 tmake_file=t-gnu        # These are not.
3685                 ;;
3686         *-*-sysv4*)
3687                 xmake_try_sysv=x-sysv
3688                 install_headers_dir=install-headers-cpio
3689                 ;;
3690         *-*-sysv*)
3691                 install_headers_dir=install-headers-cpio
3692                 ;;
3693         esac
3694
3695         # Distinguish i[34567]86
3696         # Also, do not run mips-tfile on MIPS if using gas.
3697         # Process --with-cpu= for PowerPC/rs6000
3698         target_cpu_default2=
3699         case $machine in
3700         i486-*-*)
3701                 target_cpu_default2=1
3702                 ;;
3703         i586-*-*)
3704                 case $target_alias in
3705                         k6-*)
3706                                 target_cpu_default2=4
3707                                 ;;
3708                         *)
3709                                 target_cpu_default2=2
3710                                 ;;
3711                 esac
3712                 ;;
3713         i686-*-* | i786-*-*)
3714                 target_cpu_default2=3
3715                 ;;
3716         alpha*-*-*)
3717                 case $machine in
3718 changequote(,)dnl
3719                         alphaev6[78]*)
3720 changequote([,])dnl
3721                                 target_cpu_default2="MASK_CPU_EV6|MASK_BWX|MASK_MAX|MASK_FIX|MASK_CIX"
3722                                 ;;
3723                         alphaev6*)
3724                                 target_cpu_default2="MASK_CPU_EV6|MASK_BWX|MASK_MAX|MASK_FIX"
3725                                 ;;
3726                         alphapca56*)
3727                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX|MASK_MAX"
3728                                 ;;
3729                         alphaev56*)
3730                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX"
3731                                 ;;
3732                         alphaev5*)
3733                                 target_cpu_default2="MASK_CPU_EV5"
3734                                 ;;
3735                 esac
3736
3737                 if test x$gas = xyes
3738                 then
3739                         if test "$target_cpu_default2" = ""
3740                         then
3741                                 target_cpu_default2="MASK_GAS"
3742                         else
3743                                 target_cpu_default2="${target_cpu_default2}|MASK_GAS"
3744                         fi
3745                 fi
3746                 ;;
3747         arm*-*-*)
3748                 case "x$with_cpu" in
3749                         x)
3750                                 # The most generic
3751                                 target_cpu_default2="TARGET_CPU_generic"
3752                                 ;;
3753
3754                         # Distinguish cores, and major variants
3755                         # arm7m doesn't exist, but D & I don't affect code
3756 changequote(,)dnl
3757                         xarm[23678] | xarm250 | xarm[67][01]0 \
3758                         | xarm7m | xarm7dm | xarm7dmi | xarm7tdmi \
3759                         | xarm7100 | xarm7500 | xarm7500fe | xarm810 \
3760                         | xstrongarm | xstrongarm110 | xstrongarm1100)
3761 changequote([,])dnl
3762                                 target_cpu_default2="TARGET_CPU_$with_cpu"
3763                                 ;;
3764
3765                         xyes | xno)
3766                                 echo "--with-cpu must be passed a value" 1>&2
3767                                 exit 1
3768                                 ;;
3769
3770                         *)
3771                                 if test x$pass2done = xyes
3772                                 then
3773                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3774                                         exit 1
3775                                 fi
3776                                 ;;
3777                 esac
3778                 ;;
3779
3780         mips*-*-ecoff* | mips*-*-elf*)
3781                 if test x$gas = xyes
3782                 then
3783                         if test x$gnu_ld = xyes
3784                         then
3785                                 target_cpu_default2="MASK_GAS|MASK_SPLIT_ADDR"
3786                         else
3787                                 target_cpu_default2="MASK_GAS"
3788                         fi
3789                 fi
3790                 ;;
3791         mips*-*-*)
3792                 if test x$gas = xyes
3793                 then
3794                         target_cpu_default2="MASK_GAS"
3795                 fi
3796                 ;;
3797         powerpc*-*-* | rs6000-*-*)
3798                 case "x$with_cpu" in
3799                         x)
3800                                 ;;
3801
3802                         xcommon | xpower | xpower2 | xpowerpc | xrios \
3803                           | xrios1 | xrios2 | xrsc | xrsc1 \
3804                           | x601 | x602 | x603 | x603e | x604 | x604e | x620 \
3805                           | xec603e | x740 | x750 | x401 \
3806                           | x403 | x505 | x801 | x821 | x823 | x860)
3807                                 target_cpu_default2="\"$with_cpu\""
3808                                 ;;
3809
3810                         xyes | xno)
3811                                 echo "--with-cpu must be passed a value" 1>&2
3812                                 exit 1
3813                                 ;;
3814
3815                         *)
3816                                 if test x$pass2done = xyes
3817                                 then
3818                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3819                                         exit 1
3820                                 fi
3821                                 ;;
3822                 esac
3823                 ;;
3824         sparc*-*-*)
3825                 case ".$with_cpu" in
3826                         .)
3827                                 target_cpu_default2=TARGET_CPU_"`echo $machine | sed 's/-.*$//'`"
3828                                 ;;
3829                         .supersparc | .hypersparc | .ultrasparc | .v7 | .v8 | .v9)
3830                                 target_cpu_default2="TARGET_CPU_$with_cpu"
3831                                 ;;
3832                         *)
3833                                 if test x$pass2done = xyes
3834                                 then
3835                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3836                                         exit 1
3837                                 fi
3838                                 ;;
3839                 esac
3840                 ;;
3841         esac
3842
3843         if test "$target_cpu_default2" != ""
3844         then
3845                 if test "$target_cpu_default" != ""
3846                 then
3847                         target_cpu_default="(${target_cpu_default}|${target_cpu_default2})"
3848                 else
3849                         target_cpu_default=$target_cpu_default2
3850                 fi
3851         fi
3852
3853         # No need for collect2 if we have the GNU linker.
3854         # Actually, there is now; GNU ld doesn't handle the EH info or
3855         # collecting for shared libraries.
3856         #case x$gnu_ld in
3857         #xyes)
3858         #       use_collect2=
3859         #       ;;
3860         #esac
3861
3862 # Save data on machine being used to compile GCC in build_xm_file.
3863 # Save data on host machine in vars host_xm_file and host_xmake_file.
3864         if test x$pass1done = x
3865         then
3866                 if test x"$xm_file" = x
3867                 then build_xm_file=$cpu_type/xm-$cpu_type.h
3868                 else build_xm_file=$xm_file
3869                 fi
3870                 build_xm_defines=$xm_defines
3871                 build_install_headers_dir=$install_headers_dir
3872                 build_exeext=$exeext
3873                 pass1done=yes
3874         else
3875                 if test x$pass2done = x
3876                 then
3877                         if test x"$xm_file" = x
3878                         then host_xm_file=$cpu_type/xm-$cpu_type.h
3879                         else host_xm_file=$xm_file
3880                         fi
3881                         host_xm_defines=$xm_defines
3882                         if test x"$xmake_file" = x
3883                         then xmake_file=$cpu_type/x-$cpu_type
3884                         fi
3885                         host_xmake_file="$xmake_file"
3886                         host_truncate_target=$truncate_target
3887                         host_extra_gcc_objs=$extra_gcc_objs
3888                         host_extra_objs=$extra_host_objs
3889                         host_exeext=$exeext
3890                         pass2done=yes
3891                 fi
3892         fi
3893 done
3894
3895 extra_objs="${host_extra_objs} ${extra_objs}"
3896
3897 # Default the target-machine variables that were not explicitly set.
3898 if test x"$tm_file" = x
3899 then tm_file=$cpu_type/$cpu_type.h; fi
3900
3901 if test x$extra_headers = x
3902 then extra_headers=; fi
3903
3904 if test x"$xm_file" = x
3905 then xm_file=$cpu_type/xm-$cpu_type.h; fi
3906
3907 if test x$md_file = x
3908 then md_file=$cpu_type/$cpu_type.md; fi
3909
3910 if test x$out_file = x
3911 then out_file=$cpu_type/$cpu_type.c; fi
3912
3913 if test x"$tmake_file" = x
3914 then tmake_file=$cpu_type/t-$cpu_type
3915 fi
3916
3917 if test x"$dwarf2" = xyes
3918 then tm_file="$tm_file tm-dwarf2.h"
3919 fi
3920
3921 if test x$float_format = x
3922 then float_format=i64
3923 fi
3924
3925 if test $float_format = none
3926 then float_h_file=Makefile.in
3927 else float_h_file=float-$float_format.h
3928 fi
3929
3930 # Handle cpp installation.
3931 if test x$enable_cpp != xno
3932 then
3933   tmake_file="$tmake_file t-install-cpp"
3934 fi
3935
3936 # Say what files are being used for the output code and MD file.
3937 echo "Using \`$srcdir/config/$out_file' to output insns."
3938 echo "Using \`$srcdir/config/$md_file' as machine description file."
3939
3940 count=a
3941 for f in $tm_file; do
3942         count=${count}x
3943 done
3944 if test $count = ax; then
3945         echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
3946 else
3947         echo "Using the following target machine macro files:"
3948         for f in $tm_file; do
3949                 echo "  $srcdir/config/$f"
3950         done
3951 fi
3952
3953 count=a
3954 for f in $host_xm_file; do
3955         count=${count}x
3956 done
3957 if test $count = ax; then
3958         echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
3959 else
3960         echo "Using the following host machine macro files:"
3961         for f in $host_xm_file; do
3962                 echo "  $srcdir/config/$f"
3963         done
3964 fi
3965
3966 if test "$host_xm_file" != "$build_xm_file"; then
3967         count=a
3968         for f in $build_xm_file; do
3969                 count=${count}x
3970         done
3971         if test $count = ax; then
3972                 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
3973         else
3974                 echo "Using the following build machine macro files:"
3975                 for f in $build_xm_file; do
3976                         echo "  $srcdir/config/$f"
3977                 done
3978         fi
3979 fi
3980
3981 if test x$thread_file = x; then
3982         if test x$target_thread_file != x; then
3983                 thread_file=$target_thread_file
3984         else
3985                 thread_file='single'
3986         fi
3987 fi
3988
3989 # Set up the header files.
3990 # $links is the list of header files to create.
3991 # $vars is the list of shell variables with file names to include.
3992 # auto-host.h is the file containing items generated by autoconf and is
3993 # the first file included by config.h.
3994 null_defines=
3995 host_xm_file="auto-host.h gansidecl.h ${host_xm_file} hwint.h"
3996
3997 # If host=build, it is correct to have hconfig include auto-host.h
3998 # as well.  If host!=build, we are in error and need to do more
3999 # work to find out the build config parameters.
4000 if test x$host = x$build
4001 then
4002         build_xm_file="auto-host.h gansidecl.h ${build_xm_file} hwint.h"
4003 else
4004         # We create a subdir, then run autoconf in the subdir.
4005         # To prevent recursion we set host and build for the new
4006         # invocation of configure to the build for this invocation
4007         # of configure.
4008         tempdir=build.$$
4009         rm -rf $tempdir
4010         mkdir $tempdir
4011         cd $tempdir
4012         case ${srcdir} in
4013         /*) realsrcdir=${srcdir};;
4014         *) realsrcdir=../${srcdir};;
4015         esac
4016         CC=${CC_FOR_BUILD} ${realsrcdir}/configure \
4017                 --target=$target --host=$build --build=$build
4018
4019         # We just finished tests for the build machine, so rename
4020         # the file auto-build.h in the gcc directory.
4021         mv auto-host.h ../auto-build.h
4022         cd ..
4023         rm -rf $tempdir
4024         build_xm_file="auto-build.h gansidecl.h ${build_xm_file} hwint.h"
4025 fi
4026
4027 xm_file="gansidecl.h ${xm_file}"
4028 tm_file="gansidecl.h ${tm_file}"
4029
4030 vars="host_xm_file tm_file tm_p_file xm_file build_xm_file"
4031 links="config.h tm.h tm_p.h tconfig.h hconfig.h"
4032 defines="host_xm_defines null_defines null_defines xm_defines build_xm_defines"
4033
4034 rm -f config.bak
4035 if test -f config.status; then mv -f config.status config.bak; fi
4036
4037 # Make the links.
4038 while test -n "$vars"
4039 do
4040         set $vars; var=$1; shift; vars=$*
4041         set $links; link=$1; shift; links=$*
4042         set $defines; define=$1; shift; defines=$*
4043
4044         rm -f $link
4045         # Make sure the file is created, even if it is empty.
4046         echo >$link
4047
4048         # Define TARGET_CPU_DEFAULT if the system wants one.
4049         # This substitutes for lots of *.h files.
4050         if test "$target_cpu_default" != "" -a $link = tm.h
4051         then
4052                 echo "#define TARGET_CPU_DEFAULT ($target_cpu_default)" >>$link
4053         fi
4054
4055         for file in `eval echo '$'$var`; do
4056                 case $file in
4057                 auto-config.h)
4058                         ;;
4059                 *)
4060                         echo '#ifdef IN_GCC' >>$link
4061                         ;;
4062                 esac
4063                 echo "#include \"$file\"" >>$link
4064                 case $file in
4065                 auto-config.h)
4066                         ;;
4067                 *)
4068                         echo '#endif' >>$link
4069                         ;;
4070                 esac
4071         done
4072
4073         for def in `eval echo '$'$define`; do
4074                 echo "#ifndef $def" >>$link
4075                 echo "#define $def" >>$link
4076                 echo "#endif" >>$link
4077         done
4078 done
4079
4080 # Truncate the target if necessary
4081 if test x$host_truncate_target != x; then
4082         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
4083 fi
4084
4085 # Get the version trigger filename from the toplevel
4086 if test "${with_gcc_version_trigger+set}" = set; then
4087         gcc_version_trigger=$with_gcc_version_trigger
4088 else
4089         gcc_version_trigger=${srcdir}/version.c
4090 fi
4091 changequote(,)dnl
4092 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
4093 changequote([,])dnl
4094
4095 # Internationalization
4096 PACKAGE=gcc
4097 VERSION="$gcc_version"
4098 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE",
4099         [Define to the name of the distribution.])
4100 AC_DEFINE_UNQUOTED(VERSION, "$VERSION",
4101         [Define to the version of the distribution.])
4102 AC_SUBST(PACKAGE)
4103 AC_SUBST(VERSION)
4104
4105 ALL_LINGUAS="en_UK"
4106
4107 # Enable NLS support by default
4108 AC_ARG_ENABLE(nls,
4109   [  --enable-nls            use Native Language Support (default)],
4110   , enable_nls=yes)
4111
4112 # if cross compiling, disable NLS support.
4113 # It's not worth the trouble, at least for now.
4114
4115 if test "${build}" != "${host}" && test "x$enable_nls" == "xyes"; then
4116   AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
4117   enable_nls=no
4118 fi
4119
4120 AM_GNU_GETTEXT
4121 XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT"
4122
4123 # Windows32 Registry support for specifying GCC installation paths.
4124 AC_ARG_ENABLE(win32-registry,
4125 [  --disable-win32-registry
4126                           Disable lookup of installation paths in the
4127                          Registry on Windows hosts.
4128   --enable-win32-registry Enable registry lookup (default).
4129   --enable-win32-registry=KEY
4130                           Use KEY instead of GCC version as the last portion
4131                          of the registry key.],,)
4132
4133 AC_MSG_CHECKING(whether windows registry support is requested)
4134 if test x$enable_win32_registry != xno; then
4135   AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
4136 [Define to 1 if installation paths should be looked up in Windows32
4137    Registry. Ignored on non windows32 hosts.])
4138   AC_MSG_RESULT(yes)
4139 else
4140   AC_MSG_RESULT(no)
4141 fi
4142
4143 # Check if user specified a different registry key.
4144 case x${enable_win32_registry} in
4145 x | xyes)
4146   # default.
4147   gcc_cv_win32_registry_key="$VERSION"
4148   ;;
4149 xno)
4150   # no registry lookup.
4151   gcc_cv_win32_registry_key=''
4152   ;;
4153 *)
4154   # user-specified key.
4155   gcc_cv_win32_registry_key="$enable_win32_registry"
4156   ;;
4157 esac
4158
4159 if test x$enable_win32_registry != xno; then
4160   AC_MSG_CHECKING(registry key on windows hosts)
4161   AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
4162         [Define to be the last portion of registry key on windows hosts.])
4163   AC_MSG_RESULT($gcc_cv_win32_registry_key)
4164 fi
4165
4166 # Get an absolute path to the GCC top-level source directory
4167 holddir=`pwd`
4168 cd $srcdir
4169 topdir=`pwd`
4170 cd $holddir
4171
4172 # Conditionalize the makefile for this host machine.
4173 # Make-host contains the concatenation of all host makefile fragments
4174 # [there can be more than one].  This file is built by configure.frag.
4175 host_overrides=Make-host
4176 dep_host_xmake_file=
4177 for f in .. ${host_xmake_file}
4178 do
4179         if test -f ${srcdir}/config/$f
4180         then
4181                 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
4182         fi
4183 done
4184
4185 # Conditionalize the makefile for this target machine.
4186 # Make-target contains the concatenation of all host makefile fragments
4187 # [there can be more than one].  This file is built by configure.frag.
4188 target_overrides=Make-target
4189 dep_tmake_file=
4190 for f in .. ${tmake_file}
4191 do
4192         if test -f ${srcdir}/config/$f
4193         then
4194                 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
4195         fi
4196 done
4197
4198 # If the host doesn't support symlinks, modify CC in
4199 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
4200 # Otherwise, we can use "CC=$(CC)".
4201 rm -f symtest.tem
4202 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
4203 then
4204         cc_set_by_configure="\$(CC)"
4205         quoted_cc_set_by_configure="\$(CC)"
4206         stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
4207 else
4208         rm -f symtest.tem
4209         if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
4210         then
4211                 symbolic_link="cp -p"
4212         else
4213                 symbolic_link="cp"
4214         fi
4215         cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
4216         quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
4217         stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
4218 fi
4219 rm -f symtest.tem
4220
4221 out_object_file=`basename $out_file .c`.o
4222
4223 tm_file_list=
4224 for f in $tm_file; do
4225   case $f in
4226     gansidecl.h )
4227        tm_file_list="${tm_file_list} $f" ;;
4228     *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
4229   esac
4230 done
4231
4232 host_xm_file_list=
4233 for f in $host_xm_file; do
4234   case $f in
4235     auto-host.h | gansidecl.h | hwint.h )
4236        host_xm_file_list="${host_xm_file_list} $f" ;;
4237     *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
4238   esac
4239 done
4240
4241 build_xm_file_list=
4242 for f in $build_xm_file; do
4243   case $f in
4244     auto-build.h | auto-host.h | gansidecl.h | hwint.h )
4245        build_xm_file_list="${build_xm_file_list} $f" ;;
4246     *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
4247   esac
4248 done
4249
4250 # Define macro CROSS_COMPILE in compilation
4251 # if this is a cross-compiler.
4252 # Also use all.cross instead of all.internal
4253 # and add cross-make to Makefile.
4254 cross_overrides="/dev/null"
4255 if test x$host != x$target
4256 then
4257         cross_defines="CROSS=-DCROSS_COMPILE"
4258         cross_overrides="${topdir}/cross-make"
4259 fi
4260
4261 # If this is a cross-compiler that does not
4262 # have its own set of headers then define
4263 # inhibit_libc
4264
4265 # If this is using newlib, then define inhibit_libc in
4266 # LIBGCC2_CFLAGS.  This will cause __eprintf to be left out of
4267 # libgcc.a, but that's OK because newlib should have its own version of
4268 # assert.h.
4269 inhibit_libc=
4270 if [test x$host != x$target] && [test x$with_headers = x]; then
4271        inhibit_libc=-Dinhibit_libc
4272 else
4273        if [test x$with_newlib = xyes]; then
4274                inhibit_libc=-Dinhibit_libc
4275        fi
4276 fi
4277 AC_SUBST(inhibit_libc)
4278
4279 # When building gcc with a cross-compiler, we need to fix a few things.
4280 # This must come after cross-make as we want all.build to override
4281 # all.cross.
4282 build_overrides="/dev/null"
4283 if test x$build != x$host
4284 then
4285         build_overrides="${topdir}/build-make"
4286 fi
4287
4288 # Expand extra_headers to include complete path.
4289 # This substitutes for lots of t-* files.
4290 extra_headers_list=
4291 if test "x$extra_headers" = x
4292 then true
4293 else
4294         # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
4295         for file in $extra_headers;
4296         do
4297                 extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
4298         done
4299 fi
4300
4301 if test x$use_collect2 = xno; then
4302         use_collect2=
4303 fi
4304
4305 # Add a definition of USE_COLLECT2 if system wants one.
4306 # Also tell toplev.c what to do.
4307 # This substitutes for lots of t-* files.
4308 if test x$use_collect2 = x
4309 then
4310         will_use_collect2=
4311         maybe_use_collect2=
4312 else
4313         will_use_collect2="collect2"
4314         maybe_use_collect2="-DUSE_COLLECT2"
4315 fi
4316
4317 # NEED TO CONVERT
4318 # Set MD_DEPS if the real md file is in md.pre-cpp.
4319 # Set MD_CPP to the cpp to pass the md file through.  Md files use ';'
4320 # for line oriented comments, so we must always use a GNU cpp.  If
4321 # building gcc with a cross compiler, use the cross compiler just
4322 # built.  Otherwise, we can use the cpp just built.
4323 md_file_sub=
4324 if test "x$md_cppflags" = x
4325 then
4326         md_file_sub=$srcdir/config/$md_file
4327 else
4328         md_file=md
4329 fi
4330
4331 # If we have gas in the build tree, make a link to it.
4332 if test -f ../gas/Makefile; then
4333         rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
4334 fi
4335
4336 # If we have nm in the build tree, make a link to it.
4337 if test -f ../binutils/Makefile; then
4338         rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
4339 fi
4340
4341 # If we have ld in the build tree, make a link to it.
4342 if test -f ../ld/Makefile; then
4343 #       if test x$use_collect2 = x; then
4344 #               rm -f ld; $symbolic_link ../ld/ld-new$host_exeext ld$host_exeext 2>/dev/null
4345 #       else
4346                 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
4347 #       fi
4348 fi
4349
4350 # Figure out what assembler alignment features are present.
4351 AC_MSG_CHECKING(assembler alignment features)
4352 gcc_cv_as=
4353 gcc_cv_as_alignment_features=
4354 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
4355 if test -x "$DEFAULT_ASSEMBLER"; then
4356         gcc_cv_as="$DEFAULT_ASSEMBLER"
4357 elif test -x "$AS"; then
4358         gcc_cv_as="$AS"
4359 elif test -x as$host_exeext; then
4360         # Build using assembler in the current directory.
4361         gcc_cv_as=./as$host_exeext
4362 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
4363         # Single tree build which includes gas.
4364         for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
4365         do
4366 changequote(,)dnl
4367                 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
4368 changequote([,])dnl
4369                 if test x$gcc_cv_gas_version != x; then
4370                         break
4371                 fi
4372         done
4373 changequote(,)dnl
4374         gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
4375         gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
4376 changequote([,])dnl
4377         if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
4378                 # Gas version 2.6 and later support for .balign and .p2align.
4379                 # bytes to skip when using .p2align.
4380                 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
4381                         gcc_cv_as_alignment_features=".balign and .p2align"
4382                         AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
4383                 fi
4384                 # Gas version 2.8 and later support specifying the maximum
4385                 # bytes to skip when using .p2align.
4386                 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
4387                         gcc_cv_as_alignment_features=".p2align including maximum skip"
4388                         AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
4389                 fi
4390         fi
4391 elif test x$host = x$target; then
4392         # Native build.
4393         # Search the same directories that the installed compiler will
4394         # search.  Else we may find the wrong assembler and lose.  If we
4395         # do not find a suitable assembler binary, then try the user's
4396         # path.
4397         #
4398         # Also note we have to check MD_EXEC_PREFIX before checking the
4399         # user's path.  Unfortunately, there is no good way to get at the
4400         # value of MD_EXEC_PREFIX here.  So we do a brute force search
4401         # through all the known MD_EXEC_PREFIX values.  Ugh.  This needs
4402         # to be fixed as part of the make/configure rewrite too.
4403
4404         if test "x$exec_prefix" = xNONE; then
4405                 if test "x$prefix" = xNONE; then
4406                         test_prefix=/usr/local
4407                 else
4408                         test_prefix=$prefix
4409                 fi
4410         else
4411                 test_prefix=$exec_prefix
4412         fi
4413
4414         # If the loop below does not find an assembler, then use whatever
4415         # one we can find in the users's path.
4416         # user's path.
4417         as=as$host_exeext
4418
4419         test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
4420                    $test_prefix/lib/gcc-lib/$target \
4421                    /usr/lib/gcc/$target/$gcc_version \
4422                    /usr/lib/gcc/$target \
4423                    $test_prefix/$target/bin/$target/$gcc_version \
4424                    $test_prefix/$target/bin \
4425                    /usr/libexec \
4426                    /usr/ccs/gcc \
4427                    /usr/ccs/bin \
4428                    /udk/usr/ccs/bin \
4429                    /bsd43/usr/lib/cmplrs/cc \
4430                    /usr/cross64/usr/bin \
4431                    /usr/lib/cmplrs/cc \
4432                    /sysv/usr/lib/cmplrs/cc \
4433                    /svr4/usr/lib/cmplrs/cc \
4434                    /usr/bin"
4435
4436         for dir in $test_dirs; do
4437                 if test -f $dir/as$host_exeext; then
4438                         gcc_cv_as=$dir/as$host_exeext
4439                         break;
4440                 fi
4441         done
4442 fi
4443 if test x$gcc_cv_as != x; then
4444         # Check if we have .balign and .p2align
4445         echo ".balign  4" > conftest.s
4446         echo ".p2align  2" >> conftest.s
4447         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4448                 gcc_cv_as_alignment_features=".balign and .p2align"
4449                 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
4450         fi
4451         rm -f conftest.s conftest.o
4452         # Check if specifying the maximum bytes to skip when
4453         # using .p2align is supported.
4454         echo ".p2align 4,,7" > conftest.s
4455         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4456                 gcc_cv_as_alignment_features=".p2align including maximum skip"
4457                 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
4458         fi
4459         rm -f conftest.s conftest.o
4460 fi
4461 AC_MSG_RESULT($gcc_cv_as_alignment_features)
4462
4463 AC_MSG_CHECKING(assembler subsection support)
4464 gcc_cv_as_subsections=
4465 if test x$gcc_cv_as != x; then
4466         # Check if we have .subsection
4467         echo ".subsection 1" > conftest.s
4468         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4469                 gcc_cv_as_subsections=".subsection"
4470                 if test -x nm$host_exeext; then
4471                         gcc_cv_nm=./nm$host_exeext
4472                 elif test x$host = x$target; then
4473                         # Native build.
4474                         gcc_cv_nm=nm$host_exeext
4475                 fi
4476                 if test x$gcc_cv_nm != x; then
4477                         cat > conftest.s <<EOF
4478 conftest_label1: .word 0
4479 .subsection -1
4480 conftest_label2: .word 0
4481 .previous
4482 EOF
4483                         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4484                                 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
4485                                 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
4486                                 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
4487                                         :
4488                                 else
4489                                         gcc_cv_as_subsections="working .subsection -1"
4490                                         AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
4491 [Define if your assembler supports .subsection and .subsection -1 starts
4492    emitting at the beginning of your section.])
4493                                 fi
4494                         fi
4495                 fi
4496         fi
4497         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
4498 fi
4499 AC_MSG_RESULT($gcc_cv_as_subsections)
4500
4501 AC_MSG_CHECKING(assembler weak support)
4502 gcc_cv_as_weak=
4503 if test x$gcc_cv_as != x; then
4504         # Check if we have .weak
4505         echo "  .weak foobar" > conftest.s
4506         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4507                 AC_DEFINE(HAVE_GAS_WEAK, 1,
4508                         [Define if your assembler supports .weak.])
4509                 gcc_cv_as_weak="yes"
4510         fi
4511         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
4512 fi
4513 AC_MSG_RESULT($gcc_cv_as_weak)
4514
4515 AC_MSG_CHECKING(assembler hidden support)
4516 gcc_cv_as_hidden=
4517 if test x$gcc_cv_as != x; then
4518         # Check if we have .hidden
4519         echo "  .hidden foobar" > conftest.s
4520         echo "foobar:" >> conftest.s
4521         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4522                 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
4523                         [Define if your assembler supports .hidden.])
4524                 gcc_cv_as_hidden="yes"
4525         fi
4526         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
4527 fi
4528 AC_MSG_RESULT($gcc_cv_as_hidden)
4529
4530 case "$target" in
4531   sparc*-*-*)
4532     AC_CACHE_CHECK([assembler .register pseudo-op support],
4533         gcc_cv_as_register_pseudo_op, [
4534         gcc_cv_as_register_pseudo_op=unknown
4535         if test x$gcc_cv_as != x; then
4536             # Check if we have .register
4537             echo ".register %g2, #scratch" > conftest.s
4538             if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4539                 gcc_cv_as_register_pseudo_op=yes
4540             else
4541                 gcc_cv_as_register_pseudo_op=no
4542             fi
4543             rm -f conftest.s conftest.o
4544         fi
4545     ])
4546     if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
4547         AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
4548                 [Define if your assembler supports .register.])
4549     fi
4550
4551     case "$tm_file" in
4552     *64*)
4553         AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],
4554             gcc_cv_as_flags64, [
4555                 if test -n "$gcc_cv_as"; then
4556                     echo ".xword foo" > conftest.s
4557                     gcc_cv_as_flags64=no
4558                     for flag in "-xarch=v9" "-64 -Av9"; do
4559                         if $gcc_cv_as $flag -o conftest.o conftest.s \
4560                             > /dev/null 2>&1; then
4561                             gcc_cv_as_flags64=$flag
4562                             break
4563                         fi
4564                     done
4565                     rm -f conftest.s conftest.o
4566                 else
4567                     if test "$gas" = yes; then
4568                         gcc_cv_as_flags64="-64 -Av9"
4569                     else
4570                         gcc_cv_as_flags64="-xarch=v9"
4571                     fi
4572                 fi
4573         ])
4574         if test "x$gcc_cv_as_flags64" = xno; then
4575 changequote(, )
4576             tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
4577             dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
4578 changequote([, ])
4579         else
4580             AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64",
4581                         [Define if the assembler supports 64bit sparc.])
4582         fi
4583         ;;
4584     *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no}
4585         ;;
4586     esac
4587
4588     if test "x$gcc_cv_as_flags64" != xno; then
4589         AC_CACHE_CHECK([for assembler offsetable %lo() support],
4590             gcc_cv_as_offsetable_lo10, [
4591             gcc_cv_as_offsetable_lo10=unknown
4592             if test "x$gcc_cv_as" != x; then
4593                 # Check if assembler has offsetable %lo()
4594                 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
4595                 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
4596                 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
4597                         > /dev/null 2>&1 &&
4598                    $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
4599                         > /dev/null 2>&1; then
4600                     if cmp conftest.o conftest1.o > /dev/null 2>&1; then
4601                         gcc_cv_as_offsetable_lo10=no
4602                     else
4603                         gcc_cv_as_offsetable_lo10=yes
4604                     fi
4605                 else
4606                     gcc_cv_as_offsetable_lo10=no
4607                 fi
4608                 rm -f conftest.s conftest.o conftest1.s conftest1.o
4609             fi
4610         ])
4611         if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
4612             AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
4613                 [Define if your assembler supports offsetable %lo().])
4614         fi
4615     fi
4616     ;;
4617
4618 changequote(,)dnl
4619   i[34567]86-*-*)
4620 changequote([,])dnl
4621     AC_MSG_CHECKING(assembler instructions)
4622     gcc_cv_as_instructions=
4623     if test x$gcc_cv_as != x; then
4624         set "filds fists" "filds mem; fists mem"
4625         while test $# -gt 0
4626         do
4627                 echo "$2" > conftest.s
4628                 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4629                         gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
4630                         AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$1" | tr '[a-z ]' '[A-Z_]'`)
4631                 fi
4632                 shift 2
4633         done
4634         rm -f conftest.s conftest.o
4635     fi
4636     AC_MSG_RESULT($gcc_cv_as_instructions)
4637     ;;
4638 esac
4639
4640 # Figure out what language subdirectories are present.
4641 # Look if the user specified --enable-languages="..."; if not, use
4642 # the environment variable $LANGUAGES if defined. $LANGUAGES might
4643 # go away some day.
4644 if test x"${enable_languages+set}" != xset; then
4645         if test x"${LANGUAGES+set}" = xset; then
4646                 enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
4647         else
4648                 enable_languages=all
4649         fi
4650 else
4651         if test x"${enable_languages}" = x; then
4652                 AC_MSG_ERROR([--enable-languages needs at least one argument])
4653         fi
4654 fi
4655 subdirs=
4656 for lang in ${srcdir}/*/config-lang.in ..
4657 do
4658         case $lang in
4659         ..) ;;
4660         # The odd quoting in the next line works around
4661         # an apparent bug in bash 1.12 on linux.
4662 changequote(,)dnl
4663         ${srcdir}/[*]/config-lang.in) ;;
4664         *)
4665           lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
4666           if test "x$lang_alias" = x
4667           then
4668                 echo "$lang doesn't set \$language." 1>&2
4669                 exit 1
4670           fi
4671           if test x"${enable_languages}" = xall; then
4672                 add_this_lang=yes
4673           else
4674                 case "${enable_languages}" in
4675                     ${lang_alias} | "${lang_alias},"* | *",${lang_alias},"* | *",${lang_alias}" )
4676                         add_this_lang=yes
4677                         ;;
4678                     * )
4679                         add_this_lang=no
4680                         ;;
4681                 esac
4682           fi
4683           if test x"${add_this_lang}" = xyes; then
4684                 case $lang in
4685                     ${srcdir}/ada/config-lang.in)
4686                         if test x$gnat = xyes ; then
4687                                 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
4688                         fi
4689                         ;;
4690                     *)
4691                         subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
4692                         ;;
4693                 esac
4694           fi
4695           ;;
4696 changequote([,])dnl
4697         esac
4698 done
4699
4700 # Make gthr-default.h if we have a thread file.
4701 gthread_flags=
4702 if test $thread_file != single; then
4703     rm -f gthr-default.h
4704     echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
4705     gthread_flags=-DHAVE_GTHR_DEFAULT
4706 fi
4707 AC_SUBST(gthread_flags)
4708
4709 # Find out what GC implementation we want, or may, use.
4710 AC_ARG_WITH(gc,
4711 [  --with-gc={simple,page} Choose the garbage collection mechanism to use
4712                            with the compiler.],
4713 [case "$withval" in
4714   simple | page)
4715     GGC=ggc-$withval
4716     ;;
4717   *)
4718     AC_MSG_ERROR([$withval is an invalid option to --with-gc])
4719     ;;
4720 esac],
4721 [if test $ac_cv_func_mmap_anywhere = yes \
4722     || test $ac_cv_func_valloc = yes; then
4723   GGC=ggc-page
4724 else
4725   GGC=ggc-simple
4726 fi])
4727 AC_SUBST(GGC)
4728 echo "Using $GGC for garbage collection."
4729
4730 # Build a new-abi (c++) system
4731 AC_ARG_ENABLE(new-gxx-abi,
4732 [  --enable-new-gxx-abi
4733                           select the new abi for g++. You must select an ABI
4734                           at configuration time, so that the correct runtime
4735                           support is built. You cannot mix ABIs.],
4736 [AC_DEFINE(ENABLE_NEW_GXX_ABI, 1,
4737         [Define if you want to always select the new-abi for g++.])
4738 GXX_ABI_FLAG='-fnew-abi'
4739 echo "Building a new-abi g++ compiler."
4740 ])
4741 AC_SUBST(GXX_ABI_FLAG)
4742
4743 # Build a new-libstdc++ system (ie libstdc++-v3)
4744 AC_MSG_CHECKING([for libstdc++ to install])
4745 AC_ARG_ENABLE(libstdcxx-v3,
4746 [  --enable-libstdcxx-v3
4747                           enable libstdc++-v3 for building and installation],
4748   [enable_libstdcxx_v3=yes], [enable_libstdcxx_v3=no])
4749
4750 if test x$enable_libstdcxx_v3 = xyes; then
4751   AC_MSG_RESULT(v3)
4752   ac_esn=1
4753 else
4754   AC_MSG_RESULT(v2)
4755   ac_esn=0
4756 fi
4757 AC_DEFINE_UNQUOTED(ENABLE_STD_NAMESPACE, $ac_esn,
4758   [Define to 1 if you want to enable namespaces (-fhonor-std) by default.])
4759
4760 dnl Very limited version of automake's enable-maintainer-mode
4761
4762 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
4763   dnl maintainer-mode is disabled by default
4764   AC_ARG_ENABLE(maintainer-mode,
4765 [  --enable-maintainer-mode enable make rules and dependencies not useful
4766                           (and sometimes confusing) to the casual installer],
4767       maintainer_mode=$enableval,
4768       maintainer_mode=no)
4769
4770 AC_MSG_RESULT($maintainer_mode)
4771
4772 if test "$maintainer_mode" = "yes"; then
4773   MAINT=''
4774 else
4775   MAINT='#'
4776 fi
4777 AC_SUBST(MAINT)dnl
4778
4779 # Make empty files to contain the specs and options for each language.
4780 # Then add #include lines to for a compiler that has specs and/or options.
4781
4782 lang_specs_files=
4783 lang_options_files=
4784 lang_tree_files=
4785 rm -f specs.h options.h gencheck.h
4786 touch specs.h options.h gencheck.h
4787 for subdir in . $subdirs
4788 do
4789         if test -f $srcdir/$subdir/lang-specs.h; then
4790                 echo "#include \"$subdir/lang-specs.h\"" >>specs.h
4791                 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
4792         fi
4793         if test -f $srcdir/$subdir/lang-options.h; then
4794                 echo "#include \"$subdir/lang-options.h\"" >>options.h
4795                 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
4796         fi
4797         if test -f $srcdir/$subdir/$subdir-tree.def; then
4798                 echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h
4799                 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
4800         fi
4801 done
4802
4803 # These (without "all_") are set in each config-lang.in.
4804 # `language' must be a single word so is spelled singularly.
4805 all_languages=
4806 all_boot_languages=
4807 all_compilers=
4808 all_stagestuff=
4809 all_diff_excludes=
4810 all_outputs='Makefile intl/Makefile po/Makefile.in fixinc/Makefile gccbug mklibgcc'
4811 # List of language makefile fragments.
4812 all_lang_makefiles=
4813 all_headers=
4814 all_lib2funcs=
4815
4816 # Add the language fragments.
4817 # Languages are added via two mechanisms.  Some information must be
4818 # recorded in makefile variables, these are defined in config-lang.in.
4819 # We accumulate them and plug them into the main Makefile.
4820 # The other mechanism is a set of hooks for each of the main targets
4821 # like `clean', `install', etc.
4822
4823 language_fragments="Make-lang"
4824 language_hooks="Make-hooks"
4825 oldstyle_subdirs=
4826
4827 for s in .. $subdirs
4828 do
4829         if test $s != ".."
4830         then
4831                 language=
4832                 boot_language=
4833                 compilers=
4834                 stagestuff=
4835                 diff_excludes=
4836                 headers=
4837                 outputs=
4838                 lib2funcs=
4839                 . ${srcdir}/$s/config-lang.in
4840                 if test "x$language" = x
4841                 then
4842                         echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
4843                         exit 1
4844                 fi
4845                 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in ${srcdir}/$s/Makefile.in"
4846                 all_languages="$all_languages $language"
4847                 if test "x$boot_language" = xyes
4848                 then
4849                         all_boot_languages="$all_boot_languages $language"
4850                 fi
4851                 all_compilers="$all_compilers $compilers"
4852                 all_stagestuff="$all_stagestuff $stagestuff"
4853                 all_diff_excludes="$all_diff_excludes $diff_excludes"
4854                 all_headers="$all_headers $headers"
4855                 all_outputs="$all_outputs $outputs"
4856                 if test x$outputs = x
4857                 then
4858                         oldstyle_subdirs="$oldstyle_subdirs $s"
4859                 fi
4860                 all_lib2funcs="$all_lib2funcs $lib2funcs"
4861         fi
4862 done
4863
4864 # Since we can't use `::' targets, we link each language in
4865 # with a set of hooks, reached indirectly via lang.${target}.
4866
4867 rm -f Make-hooks
4868 touch Make-hooks
4869 target_list="all.build all.cross start.encap rest.encap \
4870         info dvi \
4871         install-normal install-common install-info install-man \
4872         uninstall distdir \
4873         mostlyclean clean distclean extraclean maintainer-clean \
4874         stage1 stage2 stage3 stage4"
4875 for t in $target_list
4876 do
4877         x=
4878         for lang in .. $all_languages
4879         do
4880                 if test $lang != ".."; then
4881                         x="$x $lang.$t"
4882                 fi
4883         done
4884         echo "lang.$t: $x" >> Make-hooks
4885 done
4886
4887 # If we're not building in srcdir, create .gdbinit.
4888
4889 if test ! -f Makefile.in; then
4890         echo "dir ." > .gdbinit
4891         echo "dir ${srcdir}" >> .gdbinit
4892         if test x$gdb_needs_out_file_path = xyes
4893         then
4894                 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
4895         fi
4896         if test "x$subdirs" != x; then
4897                 for s in $subdirs
4898                 do
4899                         echo "dir ${srcdir}/$s" >> .gdbinit
4900                 done
4901         fi
4902         echo "source ${srcdir}/.gdbinit" >> .gdbinit
4903 fi
4904
4905 # Define variables host_canonical and build_canonical
4906 # because some Cygnus local changes in the Makefile depend on them.
4907 build_canonical=${build}
4908 host_canonical=${host}
4909 target_subdir=
4910 if test "${host}" != "${target}" ; then
4911     target_subdir=${target}/
4912 fi
4913 AC_SUBST(build_canonical)
4914 AC_SUBST(host_canonical)
4915 AC_SUBST(target_subdir)
4916
4917 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
4918 # absolute path for gcc_tooldir based on inserting the number of up-directory
4919 # movements required to get from $(exec_prefix) to $(prefix) into the basic
4920 # $(libsubdir)/@(unlibsubdir) based path.
4921 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
4922 # make and thus we'd get different behavior depending on where we built the
4923 # sources.
4924 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
4925     gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
4926 else
4927 changequote(<<, >>)dnl
4928 # An explanation of the sed strings:
4929 #  -e 's|^\$(prefix)||'   matches and eliminates 'prefix' from 'exec_prefix'
4930 #  -e 's|/$||'            match a trailing forward slash and eliminates it
4931 #  -e 's|^[^/]|/|'        forces the string to start with a forward slash (*)
4932 #  -e 's|/[^/]*|../|g'    replaces each occurance of /<directory> with ../
4933 #
4934 # (*) Note this pattern overwrites the first character of the string
4935 # with a forward slash if one is not already present.  This is not a
4936 # problem because the exact names of the sub-directories concerned is
4937 # unimportant, just the number of them matters.
4938 #
4939 # The practical upshot of these patterns is like this:
4940 #
4941 #  prefix     exec_prefix        result
4942 #  ------     -----------        ------
4943 #   /foo        /foo/bar          ../
4944 #   /foo/       /foo/bar          ../
4945 #   /foo        /foo/bar/         ../
4946 #   /foo/       /foo/bar/         ../
4947 #   /foo        /foo/bar/ugg      ../../
4948 #
4949     dollar='$$'
4950     gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
4951 changequote([, ])dnl
4952 fi
4953 AC_SUBST(gcc_tooldir)
4954 AC_SUBST(dollar)
4955
4956 # Nothing to do for FLOAT_H, float_format already handled.
4957 objdir=`pwd`
4958 AC_SUBST(objdir)
4959
4960 # Process the language and host/target makefile fragments.
4961 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
4962
4963 # Substitute configuration variables
4964 AC_SUBST(subdirs)
4965 AC_SUBST(all_boot_languages)
4966 AC_SUBST(all_compilers)
4967 AC_SUBST(all_diff_excludes)
4968 AC_SUBST(all_headers)
4969 AC_SUBST(all_lang_makefiles)
4970 AC_SUBST(all_languages)
4971 AC_SUBST(all_lib2funcs)
4972 AC_SUBST(all_stagestuff)
4973 AC_SUBST(build_exeext)
4974 AC_SUBST(build_install_headers_dir)
4975 AC_SUBST(build_xm_file_list)
4976 AC_SUBST(cc_set_by_configure)
4977 AC_SUBST(quoted_cc_set_by_configure)
4978 AC_SUBST(cpp_install_dir)
4979 AC_SUBST(dep_host_xmake_file)
4980 AC_SUBST(dep_tmake_file)
4981 AC_SUBST(extra_c_flags)
4982 AC_SUBST(extra_c_objs)
4983 AC_SUBST(extra_cpp_objs)
4984 AC_SUBST(extra_cxx_objs)
4985 AC_SUBST(extra_headers_list)
4986 AC_SUBST(extra_objs)
4987 AC_SUBST(extra_parts)
4988 AC_SUBST(extra_passes)
4989 AC_SUBST(extra_programs)
4990 AC_SUBST(float_h_file)
4991 AC_SUBST(gcc_gxx_include_dir)
4992 AC_SUBST(gcc_version)
4993 AC_SUBST(gcc_version_trigger)
4994 AC_SUBST(host_exeext)
4995 AC_SUBST(host_extra_gcc_objs)
4996 AC_SUBST(host_xm_file_list)
4997 AC_SUBST(install)
4998 AC_SUBST(lang_options_files)
4999 AC_SUBST(lang_specs_files)
5000 AC_SUBST(lang_tree_files)
5001 AC_SUBST(local_prefix)
5002 AC_SUBST(maybe_use_collect2)
5003 AC_SUBST(md_file)
5004 AC_SUBST(objc_boehm_gc)
5005 AC_SUBST(out_file)
5006 AC_SUBST(out_object_file)
5007 AC_SUBST(stage_prefix_set_by_configure)
5008 AC_SUBST(symbolic_link)
5009 AC_SUBST(thread_file)
5010 AC_SUBST(tm_file_list)
5011 AC_SUBST(will_use_collect2)
5012
5013
5014 AC_SUBST_FILE(target_overrides)
5015 AC_SUBST_FILE(host_overrides)
5016 AC_SUBST(cross_defines)
5017 AC_SUBST_FILE(cross_overrides)
5018 AC_SUBST_FILE(build_overrides)
5019 AC_SUBST_FILE(language_fragments)
5020 AC_SUBST_FILE(language_hooks)
5021
5022 # Echo that links are built
5023 if test x$host = x$target
5024 then
5025         str1="native "
5026 else
5027         str1="cross-"
5028         str2=" from $host"
5029 fi
5030
5031 if test x$host != x$build
5032 then
5033         str3=" on a $build system"
5034 fi
5035
5036 if test "x$str2" != x || test "x$str3" != x
5037 then
5038         str4=
5039 fi
5040
5041 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
5042
5043 if test "x$str2" != x || test "x$str3" != x
5044 then
5045         echo " ${str2}${str3}." 1>&2
5046 fi
5047
5048 # Truncate the target if necessary
5049 if test x$host_truncate_target != x; then
5050         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
5051 fi
5052
5053 # Configure the subdirectories
5054 # AC_CONFIG_SUBDIRS($subdirs)
5055
5056 # Create the Makefile
5057 # and configure language subdirectories
5058 AC_OUTPUT($all_outputs,
5059 [
5060 . $srcdir/configure.lang
5061 case x$CONFIG_HEADERS in
5062 xauto-host.h:config.in)
5063 echo > cstamp-h ;;
5064 esac
5065 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
5066 # bootstrapping and the installation procedure can still use
5067 # CC="stage1/xgcc -Bstage1/".  If the host doesn't support symlinks,
5068 # FLAGS_TO_PASS has been modified to solve the problem there.
5069 # This is virtually a duplicate of what happens in configure.lang; we do
5070 # an extra check to make sure this only happens if ln -s can be used.
5071 if test "$symbolic_link" = "ln -s"; then
5072  for d in .. ${subdirs} ; do
5073    if test $d != ..; then
5074         STARTDIR=`pwd`
5075         cd $d
5076         for t in stage1 stage2 stage3 stage4 include
5077         do
5078                 rm -f $t
5079                 $symbolic_link ../$t $t 2>/dev/null
5080         done
5081         cd $STARTDIR
5082    fi
5083  done
5084 else true ; fi
5085 # Avoid having to add intl to our include paths.
5086 if test -f intl/libintl.h; then
5087   echo creating libintl.h
5088   echo '#include "intl/libintl.h"' >libintl.h
5089 fi
5090 ],
5091 [
5092 host='${host}'
5093 build='${build}'
5094 target='${target}'
5095 target_alias='${target_alias}'
5096 srcdir='${srcdir}'
5097 subdirs='${subdirs}'
5098 oldstyle_subdirs='${oldstyle_subdirs}'
5099 symbolic_link='${symbolic_link}'
5100 program_transform_set='${program_transform_set}'
5101 program_transform_name='${program_transform_name}'
5102 dep_host_xmake_file='${dep_host_xmake_file}'
5103 host_xmake_file='${host_xmake_file}'
5104 dep_tmake_file='${dep_tmake_file}'
5105 tmake_file='${tmake_file}'
5106 thread_file='${thread_file}'
5107 gcc_version='${gcc_version}'
5108 gcc_version_trigger='${gcc_version_trigger}'
5109 local_prefix='${local_prefix}'
5110 build_install_headers_dir='${build_install_headers_dir}'
5111 build_exeext='${build_exeext}'
5112 host_exeext='${host_exeext}'
5113 out_file='${out_file}'
5114 gdb_needs_out_file_path='${gdb_needs_out_file_path}'
5115 SET_MAKE='${SET_MAKE}'
5116 target_list='${target_list}'
5117 target_overrides='${target_overrides}'
5118 host_overrides='${host_overrides}'
5119 cross_defines='${cross_defines}'
5120 cross_overrides='${cross_overrides}'
5121 build_overrides='${build_overrides}'
5122 cpp_install_dir='${cpp_install_dir}'
5123 ])