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 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(2.12.1)
  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 egcs. 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 "$gcc_exec_prefix_setting" != "ok"; then
  80 AC_MSG_ERROR([
  81 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
  82 *** building egcs. Please change the environment variable
  83 *** and run configure again.])
  84 fi
  85
  86 # Check for additional parameters
  87
  88 # With GNU ld
  89 AC_ARG_WITH(gnu-ld,
  90 [  --with-gnu-ld           arrange to work with GNU ld.],
  91 gnu_ld_flag="$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 fi
 106
 107 # With GNU as
 108 AC_ARG_WITH(gnu-as,
 109 [  --with-gnu-as           arrange to work with GNU as.],
 110 gas_flag="$with_gnu_as",
 111 gas_flag=no)
 112
 113 AC_ARG_WITH(as,
 114 [  --with-as               arrange to use the specified as (full pathname).],
 115 DEFAULT_ASSEMBLER="$with_as")
 116 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
 117   if test ! -x "$DEFAULT_ASSEMBLER"; then
 118     AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
 119   elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
 120     gas_flag=yes
 121   fi
 122   AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER")
 123 fi
 124
 125 # With stabs
 126 AC_ARG_WITH(stabs,
 127 [  --with-stabs            arrange to use stabs instead of host debug format.],
 128 stabs="$with_stabs",
 129 stabs=no)
 130
 131 # With ELF
 132 AC_ARG_WITH(elf,
 133 [  --with-elf              arrange to use ELF instead of host debug format.],
 134 elf="$with_elf",
 135 elf=no)
 136
 137 # Specify the local prefix
 138 local_prefix=
 139 AC_ARG_WITH(local-prefix,
 140 [  --with-local-prefix=DIR specifies directory to put local include.],
 141 [case "${withval}" in
 142 yes)    AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
 143 no)     ;;
 144 *)      local_prefix=$with_local_prefix ;;
 145 esac])
 146
 147 # Default local prefix if it is empty
 148 if test x$local_prefix = x; then
 149         local_prefix=/usr/local
 150 fi
 151
 152 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
 153 # passed in by the toplevel make and thus we'd get different behavior
 154 # depending on where we built the sources.
 155 gcc_gxx_include_dir=
 156 # Specify the g++ header file directory
 157 AC_ARG_WITH(gxx-include-dir,
 158 [  --with-gxx-include-dir=DIR
 159                           specifies directory to put g++ header files.],
 160 [case "${withval}" in
 161 yes)    AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
 162 no)     ;;
 163 *)      gcc_gxx_include_dir=$with_gxx_include_dir ;;
 164 esac])
 165
 166 if test x${gcc_gxx_include_dir} = x; then
 167   if test x${enable_version_specific_runtime_libs} = xyes; then
 168     gcc_gxx_include_dir='${libsubdir}/include/g++'
 169   else
 170     topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
 171 changequote(<<, >>)dnl
 172     gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/g++"-${libstdcxx_interface}
 173 changequote([, ])dnl
 174   fi
 175 fi
 176
 177 # Enable expensive internal checks
 178 AC_ARG_ENABLE(checking,
 179 [  --enable-checking       enable expensive run-time checks.],
 180 [case "${enableval}" in
 181 yes)    AC_DEFINE(ENABLE_CHECKING) ;;
 182 no)     ;;
 183 *)      AC_MSG_ERROR(bad value ${enableval} given for checking option) ;;
 184 esac])
 185
 186 AC_ARG_ENABLE(cpp,
 187 [  --disable-cpp           don't provide a user-visible C preprocessor.],
 188 [], [enable_cpp=yes])
 189
 190 AC_ARG_WITH(cpp_install_dir,
 191 [  --with-cpp-install-dir=DIR
 192                           install the user visible C preprocessor in DIR
 193                           (relative to PREFIX) as well as PREFIX/bin.],
 194 [if test x$withval = xyes; then
 195   AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
 196 elif test x$withval != xno; then
 197   cpp_install_dir=$withval
 198 fi])
 199
 200 # Use cpplib+cppmain for the preprocessor, but don't link it with the compiler.
 201 cpp_main=cccp
 202 AC_ARG_ENABLE(cpplib,
 203 [  --enable-cpplib         use cpplib for the C preprocessor.],
 204 if test x$enable_cpplib != xno; then
 205   cpp_main=cppmain
 206 fi)
 207
 208 # Link cpplib into the compiler proper, for C/C++/ObjC.
 209 AC_ARG_ENABLE(c-cpplib,
 210 [  --enable-c-cpplib       link cpplib directly into C and C++ compilers
 211                           (EXPERIMENTAL) (implies --enable-cpplib).],
 212 if test x$enable_c_cpplib != xno; then
 213   extra_c_objs="${extra_c_objs} libcpp.a"
 214   extra_cxx_objs="${extra_cxx_objs} ../libcpp.a"
 215   extra_c_flags="${extra_c_flags} -DUSE_CPPLIB=1"
 216   cpp_main=cppmain
 217 fi)
 218
 219 # Enable Multibyte Characters for C/C++
 220 AC_ARG_ENABLE(c-mbchar,
 221 [  --enable-c-mbchar       enable multibyte characters for C and C++.],
 222 if test x$enable_c_mbchar != xno; then
 223   extra_c_flags=-DMULTIBYTE_CHARS=1
 224 fi)
 225
 226 # Disable fast fixincludes
 227 AC_ARG_ENABLE(fast-fixincludes,
 228 [  --disable-fast-fixincludes
 229                          Disable the new fast fixincludes.
 230                          Run the old fixincludes script unconditionally],
 231 if test x$enable_fast_fixincludes = xno ; then
 232   cp $srcdir/fixincludes ./fixinc.sh
 233 fi)
 234
 235 # Enable Haifa scheduler.
 236 AC_ARG_ENABLE(haifa,
 237 [  --enable-haifa          use the experimental scheduler.
 238   --disable-haifa         don't use the experimental scheduler for the
 239                           targets which normally enable it.])
 240
 241 # Enable threads
 242 # Pass with no value to take the default
 243 # Pass with a value to specify a thread package
 244 AC_ARG_ENABLE(threads,
 245 [  --enable-threads        enable thread usage for target GCC.
 246   --enable-threads=LIB    use LIB thread package for target GCC.],
 247 if test x$enable_threads = xno; then
 248         enable_threads=''
 249 fi,
 250 enable_threads='')
 251
 252 enable_threads_flag=$enable_threads
 253 # Check if a valid thread package
 254 case x${enable_threads_flag} in
 255         x | xno)
 256                 # No threads
 257                 target_thread_file='single'
 258                 ;;
 259         xyes)
 260                 # default
 261                 target_thread_file=''
 262                 ;;
 263         xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
 264         xsolaris | xwin32 | xdce | xvxworks)
 265                 target_thread_file=$enable_threads_flag
 266                 ;;
 267         *)
 268                 echo "$enable_threads is an unknown thread package" 1>&2
 269                 exit 1
 270                 ;;
 271 esac
 272
 273 AC_ARG_ENABLE(objc-gc,
 274 [  --enable-objc-gc       enable the use of Boehm's garbage collector with
 275                           the GNU Objective-C runtime.],
 276 if [[[ x$enable_objc_gc = xno ]]]; then
 277         objc_boehm_gc=''
 278 else
 279         objc_boehm_gc=1
 280 fi,
 281 objc_boehm_gc='')
 282
 283 AC_ARG_ENABLE(java-gc,
 284 changequote(<<,>>)dnl
 285 <<  --enable-java-gc=TYPE   choose garbage collector [boehm]>>,
 286 changequote([,])
 287   JAVAGC=$enableval,
 288   JAVAGC=boehm)
 289
 290 AC_ARG_WITH(dwarf2,
 291 [  --enable-dwarf2        enable DWARF2 debugging as default.],
 292 dwarf2="$with_dwarf2",
 293 dwarf2=no)
 294
 295 # Determine the host, build, and target systems
 296 AC_CANONICAL_SYSTEM
 297
 298 # Find the native compiler
 299 AC_PROG_CC
 300
 301 # If the native compiler is GCC, we can enable warnings even in stage1.
 302 # That's useful for people building cross-compilers, or just running a
 303 # quick `make'.
 304 if test "x$GCC" = "xyes"; then
 305   stage1_warn_cflags='$(WARN_CFLAGS)'
 306 else
 307   stage1_warn_cflags=""
 308 fi
 309 AC_SUBST(stage1_warn_cflags)
 310
 311 AC_PROG_MAKE_SET
 312
 313 AC_MSG_CHECKING([whether a default assembler was specified])
 314 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
 315     if test x"$gas_flag" = x"no"; then
 316         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
 317     else
 318         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
 319     fi
 320 else
 321     AC_MSG_RESULT(no)
 322 fi
 323
 324 AC_MSG_CHECKING([whether a default linker was specified])
 325 if test x"${DEFAULT_LINKER+set}" = x"set"; then
 326     if test x"$gnu_ld_flag" = x"no"; then
 327         AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
 328     else
 329         AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
 330     fi
 331 else
 332     AC_MSG_RESULT(no)
 333 fi
 334
 335 # Find some useful tools
 336 AC_PROG_AWK
 337 AC_PROG_LEX
 338 GCC_PROG_LN
 339 GCC_PROG_LN_S
 340 GCC_C_VOLATILE
 341 AC_PROG_RANLIB
 342 AC_PROG_YACC
 343 EGCS_PROG_INSTALL
 344
 345 AC_HEADER_STDC
 346 AC_HEADER_TIME
 347 GCC_HEADER_STRING
 348 AC_HEADER_SYS_WAIT
 349 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h fcntl.h unistd.h stab.h sys/file.h sys/time.h sys/resource.h sys/param.h sys/times.h sys/stat.h direct.h)
 350
 351 # Check for thread headers.
 352 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
 353 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
 354
 355 # See if GNAT has been installed
 356 AC_CHECK_PROG(gnat, gnatbind, yes, no)
 357
 358 # See if the system preprocessor understands the ANSI C preprocessor
 359 # stringification operator.
 360 AC_MSG_CHECKING(whether cpp understands the stringify operator)
 361 AC_CACHE_VAL(gcc_cv_c_have_stringify,
 362 [AC_TRY_COMPILE(,
 363 [#define S(x)   #x
 364 char *test = S(foo);],
 365 gcc_cv_c_have_stringify=yes, gcc_cv_c_have_stringify=no)])
 366 AC_MSG_RESULT($gcc_cv_c_have_stringify)
 367 if test $gcc_cv_c_have_stringify = yes; then
 368   AC_DEFINE(HAVE_CPP_STRINGIFY)
 369 fi
 370
 371 # Use <inttypes.h> only if it exists,
 372 # doesn't clash with <sys/types.h>, and declares intmax_t.
 373 AC_MSG_CHECKING(for inttypes.h)
 374 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
 375 [AC_TRY_COMPILE(
 376   [#include <sys/types.h>
 377 #include <inttypes.h>],
 378   [intmax_t i = -1;],
 379   [gcc_cv_header_inttypes_h=yes],
 380   gcc_cv_header_inttypes_h=no)])
 381 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
 382 if test $gcc_cv_header_inttypes_h = yes; then
 383   AC_DEFINE(HAVE_INTTYPES_H)
 384 fi
 385
 386 AC_CHECK_FUNCS(strtoul bsearch strerror putenv popen bcopy bzero bcmp \
 387         index rindex strchr strrchr kill getrlimit setrlimit atoll atoq \
 388         sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \
 389         fputs_unlocked)
 390
 391 # Make sure wchar_t is available
 392 #AC_CHECK_TYPE(wchar_t, unsigned int)
 393
 394 GCC_FUNC_VFPRINTF_DOPRNT
 395 GCC_FUNC_PRINTF_PTR
 396
 397 case "${host}" in
 398 *-*-uwin*)
 399   # Under some versions of uwin, vfork is notoriously buggy and the test
 400   # can hang configure; on other versions, vfork exists just as a stub.
 401   # FIXME: This should be removed once vfork in uwin's runtime is fixed.
 402   ac_cv_func_vfork_works=no
 403   ;;
 404 esac
 405 AC_FUNC_VFORK
 406
 407 GCC_NEED_DECLARATIONS(malloc realloc calloc free bcopy bzero bcmp \
 408         index rindex getenv atol sbrk abort atof strerror getcwd getwd \
 409         strsignal putc_unlocked fputs_unlocked)
 410
 411 GCC_NEED_DECLARATIONS(getrlimit setrlimit, [
 412 #include <sys/types.h>
 413 #ifdef HAVE_SYS_RESOURCE_H
 414 #include <sys/resource.h>
 415 #endif
 416 ])
 417
 418 AC_DECL_SYS_SIGLIST
 419
 420 # mkdir takes a single argument on some systems.
 421 GCC_FUNC_MKDIR_TAKES_ONE_ARG
 422
 423 # File extensions
 424 manext='.1'
 425 objext='.o'
 426 AC_SUBST(manext)
 427 AC_SUBST(objext)
 428
 429 build_xm_file=
 430 build_xm_defines=
 431 build_install_headers_dir=install-headers-tar
 432 build_exeext=
 433 host_xm_file=
 434 host_xm_defines=
 435 host_xmake_file=
 436 host_truncate_target=
 437 host_exeext=
 438
 439 # Decode the host machine, then the target machine.
 440 # For the host machine, we save the xm_file variable as host_xm_file;
 441 # then we decode the target machine and forget everything else
 442 # that came from the host machine.
 443 for machine in $build $host $target; do
 444
 445         out_file=
 446         xmake_file=
 447         tmake_file=
 448         extra_headers=
 449         extra_passes=
 450         extra_parts=
 451         extra_programs=
 452         extra_objs=
 453         extra_host_objs=
 454         extra_gcc_objs=
 455         xm_defines=
 456         float_format=
 457         # Set this to force installation and use of collect2.
 458         use_collect2=
 459         # Set this to override the default target model.
 460         target_cpu_default=
 461         # Set this to control how the header file directory is installed.
 462         install_headers_dir=install-headers-tar
 463         # Set this to a non-empty list of args to pass to cpp if the target
 464         # wants its .md file passed through cpp.
 465         md_cppflags=
 466         # Set this if directory names should be truncated to 14 characters.
 467         truncate_target=
 468         # Set this if gdb needs a dir command with `dirname $out_file`
 469         gdb_needs_out_file_path=
 470         # Set this if the build machine requires executables to have a
 471         # file name suffix.
 472         exeext=
 473         # Set this to control which thread package will be used.
 474         thread_file=
 475         # Reinitialize these from the flag values every loop pass, since some
 476         # configure entries modify them.
 477         gas="$gas_flag"
 478         gnu_ld="$gnu_ld_flag"
 479         enable_threads=$enable_threads_flag
 480
 481         # Set default cpu_type, tm_file and xm_file so it can be updated in
 482         # each machine entry.
 483         cpu_type=`echo $machine | sed 's/-.*$//'`
 484         case $machine in
 485         alpha*-*-*)
 486                 cpu_type=alpha
 487                 ;;
 488         arm*-*-*)
 489                 cpu_type=arm
 490                 ;;
 491         c*-convex-*)
 492                 cpu_type=convex
 493                 ;;
 494 changequote(,)dnl
 495         i[34567]86-*-*)
 496 changequote([,])dnl
 497                 cpu_type=i386
 498                 ;;
 499         hppa*-*-*)
 500                 cpu_type=pa
 501                 ;;
 502         m68000-*-*)
 503                 cpu_type=m68k
 504                 ;;
 505         mips*-*-*)
 506                 cpu_type=mips
 507                 ;;
 508         powerpc*-*-*)
 509                 cpu_type=rs6000
 510                 ;;
 511         pyramid-*-*)
 512                 cpu_type=pyr
 513                 ;;
 514         sparc*-*-*)
 515                 cpu_type=sparc
 516                 ;;
 517         esac
 518
 519         tm_file=${cpu_type}/${cpu_type}.h
 520         xm_file=${cpu_type}/xm-${cpu_type}.h
 521
 522         # Common parts for linux-gnu and openbsd systems
 523         case $machine in
 524         *-*-linux-gnu*)
 525                 xm_defines="HAVE_ATEXIT POSIX BSTRING"
 526                 ;;
 527         *-*-openbsd*)
 528                 tm_file=${cpu_type}/openbsd.h
 529                 tmake_file="t-libc-ok t-openbsd"
 530                 # avoid surprises, always provide an xm-openbsd file
 531                 xm_file=${cpu_type}/xm-openbsd.h
 532                 # don't depend on processor x-fragments as well
 533                 xmake_file=none
 534                 if test x$enable_threads = xyes; then
 535                         thread_file='posix'
 536                         tmake_file="${tmake_file} t-openbsd-thread"
 537                 fi
 538                 ;;
 539         esac
 540
 541         case $machine in
 542         # Support site-specific machine types.
 543         *local*)
 544                 cpu_type=`echo $machine | sed -e 's/-.*//'`
 545                 rest=`echo $machine | sed -e "s/$cpu_type-//"`
 546                 xm_file=${cpu_type}/xm-$rest.h
 547                 tm_file=${cpu_type}/$rest.h
 548                 if test -f $srcdir/config/${cpu_type}/x-$rest; \
 549                 then xmake_file=${cpu_type}/x-$rest; \
 550                 else true; \
 551                 fi
 552                 if test -f $srcdir/config/${cpu_type}/t-$rest; \
 553                 then tmake_file=${cpu_type}/t-$rest; \
 554                 else true; \
 555                 fi
 556                 ;;
 557         1750a-*-*)
 558                 ;;
 559         a29k-*-bsd* | a29k-*-sym1*)
 560                 tm_file="${tm_file} a29k/unix.h"
 561                 xm_defines=USG
 562                 xmake_file=a29k/x-unix
 563                 use_collect2=yes
 564                 ;;
 565         a29k-*-udi | a29k-*-coff)
 566                 tm_file="${tm_file} dbxcoff.h a29k/udi.h"
 567                 tmake_file=a29k/t-a29kbare
 568                 ;;
 569         a29k-wrs-vxworks*)
 570                 tm_file="${tm_file} dbxcoff.h a29k/udi.h a29k/vx29k.h"
 571                 tmake_file=a29k/t-vx29k
 572                 extra_parts="crtbegin.o crtend.o"
 573                 thread_file='vxworks'
 574                 ;;
 575         a29k-*-*)                       # Default a29k environment.
 576                 use_collect2=yes
 577                 ;;
 578         alpha-*-interix)
 579                 tm_file="${tm_file} alpha/alpha32.h interix.h alpha/alpha-interix.h"
 580
 581                 # GAS + IEEE_CONFORMANT+IEEE (no inexact);
 582                 #target_cpu_default="MASK_GAS|MASK_IEEE_CONFORMANT|MASK_IEEE"
 583
 584                 # GAS + IEEE_CONFORMANT
 585                 target_cpu_default="MASK_GAS|MASK_IEEE_CONFORMANT"
 586
 587                 xm_file="alpha/xm-alpha-interix.h xm-interix.h"
 588                 xmake_file="x-interix alpha/t-pe"
 589                 tmake_file="alpha/t-interix"
 590                 if test x$enable_threads = xyes ; then
 591                         thread_file='posix'
 592                 fi
 593                 if test x$stabs = xyes ; then
 594                         tm_file="${tm_file} dbxcoff.h"
 595                 fi
 596                 #prefix='$$INTERIX_ROOT'/usr/contrib
 597                 #local_prefix='$$INTERIX_ROOT'/usr/contrib
 598                 ;;
 599         alpha*-*-linux-gnuecoff*)
 600                 tm_file="${tm_file} alpha/linux-ecoff.h alpha/linux.h"
 601                 target_cpu_default="MASK_GAS"
 602                 gas=no
 603                 xmake_file=none
 604                 gas=yes gnu_ld=yes
 605                 ;;
 606         alpha*-*-linux-gnulibc1*)
 607                 tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
 608                 target_cpu_default="MASK_GAS"
 609                 tmake_file="t-linux t-linux-gnulibc1 alpha/t-linux alpha/t-crtbe"
 610                 extra_parts="crtbegin.o crtend.o"
 611                 xmake_file=none
 612                 gas=yes gnu_ld=yes
 613                 if test x$enable_threads = xyes; then
 614                         thread_file='posix'
 615                 fi
 616                 ;;
 617         alpha*-*-linux-gnu*)
 618                 tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
 619                 target_cpu_default="MASK_GAS"
 620                 tmake_file="t-linux alpha/t-linux alpha/t-crtbe"
 621                 extra_parts="crtbegin.o crtend.o"
 622                 xmake_file=none
 623                 gas=yes gnu_ld=yes
 624                 if test x$enable_threads = xyes; then
 625                         thread_file='posix'
 626                 fi
 627                 ;;
 628         alpha*-*-netbsd*)
 629                 tm_file="${tm_file} alpha/elf.h alpha/netbsd.h alpha/netbsd-elf.h"
 630                 target_cpu_default="MASK_GAS"
 631                 tmake_file="alpha/t-crtbe"
 632                 extra_parts="crtbegin.o crtend.o"
 633                 xmake_file=none
 634                 gas=yes gnu_ld=yes
 635                 ;;
 636
 637         alpha*-*-openbsd*)
 638                 # default x-alpha is only appropriate for dec-osf.
 639                 target_cpu_default="MASK_GAS"
 640                 ;;
 641
 642         alpha*-dec-osf*)
 643                 if test x$stabs = xyes
 644                 then
 645                         tm_file="${tm_file} dbx.h"
 646                 fi
 647                 if test x$gas != xyes
 648                 then
 649                         extra_passes="mips-tfile mips-tdump"
 650                 fi
 651                 use_collect2=yes
 652                 case $machine in
 653                   *-*-osf1*)
 654                     tm_file="${tm_file} alpha/osf.h alpha/osf12.h alpha/osf2or3.h"
 655                     ;;
 656 changequote(,)dnl
 657                   *-*-osf[23]*)
 658 changequote([,])dnl
 659                     tm_file="${tm_file} alpha/osf.h alpha/osf2or3.h"
 660                     ;;
 661                   *-*-osf4*)
 662                     tm_file="${tm_file} alpha/osf.h"
 663                     # Some versions of OSF4 (specifically X4.0-9 296.7) have
 664                     # a broken tar, so we use cpio instead.
 665                     install_headers_dir=install-headers-cpio
 666                     ;;
 667                 esac
 668                 case $machine in
 669 changequote(,)dnl
 670                   *-*-osf4.0[b-z] | *-*-osf4.[1-9]*)
 671 changequote([,])dnl
 672                     target_cpu_default=MASK_SUPPORT_ARCH
 673                     ;;
 674                 esac
 675                 ;;
 676         alpha*-*-vxworks*)
 677                 tm_file="${tm_file} dbx.h alpha/vxworks.h"
 678                 if [ x$gas != xyes ]
 679                 then
 680                         extra_passes="mips-tfile mips-tdump"
 681                 fi
 682                 use_collect2=yes
 683                 thread_file='vxworks'
 684                 ;;
 685         alpha*-*-winnt*)
 686                 tm_file="${tm_file} alpha/alpha32.h alpha/win-nt.h winnt/win-nt.h"
 687                 xm_file="${xm_file} config/winnt/xm-winnt.h alpha/xm-winnt.h"
 688                 tmake_file=t-libc-ok
 689                 xmake_file=winnt/x-winnt
 690                 extra_host_objs=oldnames.o
 691                 extra_gcc_objs="spawnv.o oldnames.o"
 692                 if test x$gnu_ld != xyes
 693                 then
 694                         extra_programs=ld.exe
 695                 fi
 696                 if test x$enable_threads = xyes; then
 697                         thread_file='win32'
 698                 fi
 699                 ;;
 700         alpha*-dec-vms*)
 701                 tm_file=alpha/vms.h
 702                 xm_file="${xm_file} alpha/xm-vms.h"
 703                 tmake_file=alpha/t-vms
 704                 ;;
 705         arc-*-elf*)
 706                 extra_parts="crtinit.o crtfini.o"
 707                 ;;
 708         arm-*-coff* | armel-*-coff*)
 709                 tm_file=arm/coff.h
 710                 tmake_file=arm/t-bare
 711                 ;;
 712         arm-*-vxworks*)
 713                 tm_file=arm/vxarm.h
 714                 tmake_file=arm/t-bare
 715                 thread_file='vxworks'
 716                 ;;
 717 changequote(,)dnl
 718         arm-*-riscix1.[01]*)            # Acorn RISC machine (early versions)
 719 changequote([,])dnl
 720                 tm_file=arm/riscix1-1.h
 721                 use_collect2=yes
 722                 ;;
 723         arm-*-riscix*)                  # Acorn RISC machine
 724                 if test x$gas = xyes
 725                 then
 726                     tm_file=arm/rix-gas.h
 727                 else
 728                     tm_file=arm/riscix.h
 729                 fi
 730                 xmake_file=arm/x-riscix
 731                 tmake_file=arm/t-riscix
 732                 use_collect2=yes
 733                 ;;
 734         arm-semi-aout | armel-semi-aout)
 735                 tm_file=arm/semi.h
 736                 tmake_file=arm/t-semi
 737                 ;;
 738         arm-semi-aof | armel-semi-aof)
 739                 tm_file=arm/semiaof.h
 740                 tmake_file=arm/t-semiaof
 741                 ;;
 742         arm*-*-netbsd*)
 743                 tm_file=arm/netbsd.h
 744                 xm_file="arm/xm-netbsd.h ${xm_file}"
 745                 tmake_file="t-netbsd arm/t-netbsd"
 746        use_collect2=yes
 747                 ;;
 748         arm*-*-linux-gnuaout*)          # ARM GNU/Linux with a.out
 749                 cpu_type=arm
 750                 xmake_file=x-linux
 751                 tm_file=arm/linux-aout.h
 752                 tmake_file=arm/t-linux
 753                 gnu_ld=yes
 754                 ;;
 755         arm*-*-linux-gnu*)              # ARM GNU/Linux with ELF
 756                 xm_file=arm/xm-linux.h
 757                 xmake_file=x-linux
 758                 case $machine in
 759                 armv2*-*-*)
 760                         tm_file=arm/linux-elf26.h
 761                         ;;
 762                 *)
 763                         tm_file=arm/linux-elf.h
 764                         ;;
 765                 esac
 766                 tmake_file="t-linux arm/t-linux"
 767                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 768                 gnu_ld=yes
 769                 case x${enable_threads} in
 770                 x | xyes | xpthreads | xposix)
 771                         thread_file='posix'
 772                         ;;
 773                 esac
 774                 ;;
 775         arm*-*-aout)
 776                 tm_file=arm/aout.h
 777                 tmake_file=arm/t-bare
 778                 ;;
 779         arm*-*-ecos-elf)
 780                 tm_file=arm/ecos-elf.h
 781                 tmake_file=arm/t-elf
 782                 ;;
 783         arm*-*-elf)
 784                 tm_file=arm/unknown-elf.h
 785                 tmake_file=arm/t-arm-elf
 786                 ;;
 787         arm*-*-oabi)
 788                 tm_file=arm/unknown-elf-oabi.h
 789                 tmake_file=arm/t-arm-elf
 790                 ;;
 791         c1-convex-*)                    # Convex C1
 792                 target_cpu_default=1
 793                 use_collect2=yes
 794                 ;;
 795         c2-convex-*)                    # Convex C2
 796                 target_cpu_default=2
 797                 use_collect2=yes
 798                 ;;
 799         c32-convex-*)
 800                 target_cpu_default=4
 801                 use_collect2=yes
 802                 ;;
 803         c34-convex-*)
 804                 target_cpu_default=8
 805                 use_collect2=yes
 806                 ;;
 807         c38-convex-*)
 808                 target_cpu_default=16
 809                 use_collect2=yes
 810                 ;;
 811         c4x-*)
 812                 cpu_type=c4x
 813                 tmake_file=c4x/t-c4x
 814                 ;;
 815         clipper-intergraph-clix*)
 816                 tm_file="${tm_file} svr3.h clipper/clix.h"
 817                 xm_file=clipper/xm-clix.h
 818                 xmake_file=clipper/x-clix
 819                 extra_headers=va-clipper.h
 820                 extra_parts="crtbegin.o crtend.o"
 821                 install_headers_dir=install-headers-cpio
 822                 ;;
 823         dsp16xx-*)
 824                 ;;
 825         elxsi-elxsi-*)
 826                 use_collect2=yes
 827                 ;;
 828 # This hasn't been upgraded to GCC 2.
 829 #       fx80-alliant-*)                 # Alliant FX/80
 830 #               ;;
 831         h8300-*-*)
 832                 float_format=i32
 833                 ;;
 834         hppa*-*-openbsd*)
 835                 target_cpu_default="MASK_PA_11"
 836                 tmake_file=pa/t-openbsd
 837                 ;;
 838         hppa1.1-*-pro*)
 839                 tm_file="pa/pa-pro.h ${tm_file} pa/pa-pro-end.h libgloss.h"
 840                 xm_file=pa/xm-papro.h
 841                 tmake_file=pa/t-pro
 842                 ;;
 843         hppa1.1-*-osf*)
 844                 target_cpu_default="MASK_PA_11"
 845                 tm_file="${tm_file} pa/pa-osf.h"
 846                 use_collect2=yes
 847                 ;;
 848         hppa1.1-*-rtems*)
 849                 tm_file="pa/pa-pro.h ${tm_file} pa/pa-pro-end.h libgloss.h pa/rtems.h"
 850                 xm_file=pa/xm-papro.h
 851                 tmake_file=pa/t-pro
 852                 ;;
 853         hppa1.0-*-osf*)
 854                 tm_file="${tm_file} pa/pa-osf.h"
 855                 use_collect2=yes
 856                 ;;
 857         hppa1.1-*-bsd*)
 858                 target_cpu_default="MASK_PA_11"
 859                 use_collect2=yes
 860                 ;;
 861         hppa1.0-*-bsd*)
 862                 use_collect2=yes
 863                 ;;
 864         hppa1.0-*-hpux7*)
 865                 tm_file="pa/pa-oldas.h ${tm_file} pa/pa-hpux7.h"
 866                 xm_file=pa/xm-pahpux.h
 867                 xmake_file=pa/x-pa-hpux
 868                 if test x$gas = xyes
 869                 then
 870                         tm_file="${tm_file} pa/gas.h"
 871                 fi
 872                 install_headers_dir=install-headers-cpio
 873                 use_collect2=yes
 874                 ;;
 875 changequote(,)dnl
 876         hppa1.0-*-hpux8.0[0-2]*)
 877 changequote([,])dnl
 878                 tm_file="${tm_file} pa/pa-hpux.h"
 879                 xm_file=pa/xm-pahpux.h
 880                 xmake_file=pa/x-pa-hpux
 881                 if test x$gas = xyes
 882                 then
 883                         tm_file="${tm_file} pa/pa-gas.h"
 884                 else
 885                         tm_file="pa/pa-oldas.h ${tm_file}"
 886                 fi
 887                 install_headers_dir=install-headers-cpio
 888                 use_collect2=yes
 889                 ;;
 890 changequote(,)dnl
 891         hppa1.1-*-hpux8.0[0-2]*)
 892 changequote([,])dnl
 893                 target_cpu_default="MASK_PA_11"
 894                 tm_file="${tm_file} pa/pa-hpux.h"
 895                 xm_file=pa/xm-pahpux.h
 896                 xmake_file=pa/x-pa-hpux
 897                 if test x$gas = xyes
 898                 then
 899                         tm_file="${tm_file} pa/pa-gas.h"
 900                 else
 901                         tm_file="pa/pa-oldas.h ${tm_file}"
 902                 fi
 903                 install_headers_dir=install-headers-cpio
 904                 use_collect2=yes
 905                 ;;
 906         hppa1.1-*-hpux8*)
 907                 target_cpu_default="MASK_PA_11"
 908                 tm_file="${tm_file} pa/pa-hpux.h"
 909                 xm_file=pa/xm-pahpux.h
 910                 xmake_file=pa/x-pa-hpux
 911                 if test x$gas = xyes
 912                 then
 913                         tm_file="${tm_file} pa/pa-gas.h"
 914                 fi
 915                 install_headers_dir=install-headers-cpio
 916                 use_collect2=yes
 917                 ;;
 918         hppa1.0-*-hpux8*)
 919                 tm_file="${tm_file} pa/pa-hpux.h"
 920                 xm_file=pa/xm-pahpux.h
 921                 xmake_file=pa/x-pa-hpux
 922                 if test x$gas = xyes
 923                 then
 924                         tm_file="${tm_file} pa/pa-gas.h"
 925                 fi
 926                 install_headers_dir=install-headers-cpio
 927                 use_collect2=yes
 928                 ;;
 929         hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
 930                 target_cpu_default="MASK_PA_11"
 931                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux10.h"
 932                 xm_file=pa/xm-pahpux.h
 933                 xmake_file=pa/x-pa-hpux
 934                 tmake_file=pa/t-pa
 935                 if test x$gas = xyes
 936                 then
 937                         tm_file="${tm_file} pa/pa-gas.h"
 938                 fi
 939                 if test x$enable_threads = x; then
 940                     enable_threads=$have_pthread_h
 941                 fi
 942                 if test x$enable_threads = xyes; then
 943                         thread_file='dce'
 944                         tmake_file="${tmake_file} pa/t-dce-thr"
 945                 fi
 946                 install_headers_dir=install-headers-cpio
 947                 use_collect2=yes
 948                 ;;
 949         hppa1.0-*-hpux10*)
 950                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux10.h"
 951                 xm_file=pa/xm-pahpux.h
 952                 xmake_file=pa/x-pa-hpux
 953                 tmake_file=pa/t-pa
 954                 if test x$gas = xyes
 955                 then
 956                         tm_file="${tm_file} pa/pa-gas.h"
 957                 fi
 958                 if test x$enable_threads = x; then
 959                     enable_threads=$have_pthread_h
 960                 fi
 961                 if test x$enable_threads = xyes; then
 962                         thread_file='dce'
 963                         tmake_file="${tmake_file} pa/t-dce-thr"
 964                 fi
 965                 install_headers_dir=install-headers-cpio
 966                 use_collect2=yes
 967                 ;;
 968         hppa1.1-*-hpux* | hppa2*-*-hpux*)
 969                 target_cpu_default="MASK_PA_11"
 970                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux9.h"
 971                 xm_file=pa/xm-pahpux.h
 972                 xmake_file=pa/x-pa-hpux
 973                 if test x$gas = xyes
 974                 then
 975                         tm_file="${tm_file} pa/pa-gas.h"
 976                 fi
 977                 install_headers_dir=install-headers-cpio
 978                 use_collect2=yes
 979                 ;;
 980         hppa1.0-*-hpux*)
 981                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux9.h"
 982                 xm_file=pa/xm-pahpux.h
 983                 xmake_file=pa/x-pa-hpux
 984                 if test x$gas = xyes
 985                 then
 986                         tm_file="${tm_file} pa/pa-gas.h"
 987                 fi
 988                 install_headers_dir=install-headers-cpio
 989                 use_collect2=yes
 990                 ;;
 991         hppa1.1-*-hiux* | hppa2*-*-hiux*)
 992                 target_cpu_default="MASK_PA_11"
 993                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hiux.h"
 994                 xm_file=pa/xm-pahpux.h
 995                 xmake_file=pa/x-pa-hpux
 996                 if test x$gas = xyes
 997                 then
 998                         tm_file="${tm_file} pa/pa-gas.h"
 999                 fi
1000                 install_headers_dir=install-headers-cpio
1001                 use_collect2=yes
1002                 ;;
1003         hppa1.0-*-hiux*)
1004                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hiux.h"
1005                 xm_file=pa/xm-pahpux.h
1006                 xmake_file=pa/x-pa-hpux
1007                 if test x$gas = xyes
1008                 then
1009                         tm_file="${tm_file} pa/pa-gas.h"
1010                 fi
1011                 install_headers_dir=install-headers-cpio
1012                 use_collect2=yes
1013                 ;;
1014         hppa*-*-lites*)
1015                 target_cpu_default="MASK_PA_11"
1016                 use_collect2=yes
1017                 ;;
1018         i370-*-mvs*)
1019                 ;;
1020 changequote(,)dnl
1021         i[34567]86-ibm-aix*)            # IBM PS/2 running AIX
1022 changequote([,])dnl
1023                 if test x$gas = xyes
1024                 then
1025                         tm_file=i386/aix386.h
1026                         extra_parts="crtbegin.o crtend.o"
1027                         tmake_file=i386/t-crtstuff
1028                 else
1029                         tm_file=i386/aix386ng.h
1030                         use_collect2=yes
1031                 fi
1032                 xm_file="xm-alloca.h i386/xm-aix.h ${xm_file}"
1033                 xm_defines=USG
1034                 xmake_file=i386/x-aix
1035                 ;;
1036 changequote(,)dnl
1037         i[34567]86-ncr-sysv4*)          # NCR 3000 - ix86 running system V.4
1038 changequote([,])dnl
1039                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1040                 xm_defines="USG POSIX SMALL_ARG_MAX"
1041                 xmake_file=i386/x-ncr3000
1042                 if test x$stabs = xyes -a x$gas = xyes
1043                 then
1044                         tm_file=i386/sysv4gdb.h
1045                 else
1046                         tm_file=i386/sysv4.h
1047                 fi
1048                 extra_parts="crtbegin.o crtend.o"
1049                 tmake_file=i386/t-crtpic
1050                 ;;
1051 changequote(,)dnl
1052         i[34567]86-next-*)
1053 changequote([,])dnl
1054                 tm_file=i386/next.h
1055                 xm_file=i386/xm-next.h
1056                 tmake_file=i386/t-next
1057                 xmake_file=i386/x-next
1058                 extra_objs=nextstep.o
1059                 extra_parts="crtbegin.o crtend.o"
1060                 if test x$enable_threads = xyes; then
1061                         thread_file='mach'
1062                 fi
1063                 ;;
1064 changequote(,)dnl
1065         i[34567]86-sequent-bsd*)                # 80386 from Sequent
1066 changequote([,])dnl
1067                 use_collect2=yes
1068                 if test x$gas = xyes
1069                 then
1070                         tm_file=i386/seq-gas.h
1071                 else
1072                         tm_file=i386/sequent.h
1073                 fi
1074                 ;;
1075 changequote(,)dnl
1076         i[34567]86-sequent-ptx1*)
1077 changequote([,])dnl
1078                 xm_defines="USG SVR3"
1079                 xmake_file=i386/x-sysv3
1080                 tm_file=i386/seq-sysv3.h
1081                 tmake_file=i386/t-crtstuff
1082                 extra_parts="crtbegin.o crtend.o"
1083                 install_headers_dir=install-headers-cpio
1084                 ;;
1085 changequote(,)dnl
1086         i[34567]86-sequent-ptx2* | i[34567]86-sequent-sysv3*)
1087 changequote([,])dnl
1088                 xm_defines="USG SVR3"
1089                 xmake_file=i386/x-sysv3
1090                 tm_file=i386/seq2-sysv3.h
1091                 tmake_file=i386/t-crtstuff
1092                 extra_parts="crtbegin.o crtend.o"
1093                 install_headers_dir=install-headers-cpio
1094                 ;;
1095 changequote(,)dnl
1096         i[34567]86-sequent-ptx4* | i[34567]86-sequent-sysv4*)
1097 changequote([,])dnl
1098                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1099                 xm_defines="USG POSIX SMALL_ARG_MAX"
1100                 xmake_file=x-svr4
1101                 tm_file=i386/ptx4-i.h
1102                 tmake_file=t-svr4
1103                 extra_parts="crtbegin.o crtend.o"
1104                 install_headers_dir=install-headers-cpio
1105                 ;;
1106         i386-sun-sunos*)                # Sun i386 roadrunner
1107                 xm_defines=USG
1108                 tm_file=i386/sun.h
1109                 use_collect2=yes
1110                 ;;
1111 changequote(,)dnl
1112         i[34567]86-wrs-vxworks*)
1113 changequote([,])dnl
1114                 tm_file=i386/vxi386.h
1115                 tmake_file=i386/t-i386bare
1116                 thread_file='vxworks'
1117                 ;;
1118 changequote(,)dnl
1119         i[34567]86-*-aout*)
1120 changequote([,])dnl
1121                 tm_file=i386/i386-aout.h
1122                 tmake_file=i386/t-i386bare
1123                 ;;
1124 changequote(,)dnl
1125         i[34567]86-*-bsdi* | i[34567]86-*-bsd386*)
1126 changequote([,])dnl
1127                 tm_file=i386/bsd386.h
1128 #               tmake_file=t-libc-ok
1129                 ;;
1130 changequote(,)dnl
1131         i[34567]86-*-bsd*)
1132 changequote([,])dnl
1133                 tm_file=i386/386bsd.h
1134 #               tmake_file=t-libc-ok
1135 # Next line turned off because both 386BSD and BSD/386 use GNU ld.
1136 #               use_collect2=yes
1137                 ;;
1138 changequote(,)dnl
1139         i[34567]86-*-freebsdelf*)
1140 changequote([,])dnl
1141                 tm_file="i386/i386.h i386/att.h linux.h i386/freebsd-elf.h i386/perform.h"
1142                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1143                 tmake_file=i386/t-freebsd
1144                 gas=yes
1145                 gnu_ld=yes
1146                 stabs=yes
1147                 ;;
1148 changequote(,)dnl
1149         i[34567]86-*-freebsd*)
1150 changequote([,])dnl
1151                 tm_file=i386/freebsd.h
1152                 tmake_file=i386/t-freebsd
1153                 ;;
1154 changequote(,)dnl
1155         i[34567]86-*-netbsd*)
1156 changequote([,])dnl
1157                 tm_file=i386/netbsd.h
1158                 tmake_file=t-netbsd
1159        use_collect2=yes
1160                 ;;
1161 changequote(,)dnl
1162         i[34567]86-*-openbsd*)
1163 changequote([,])dnl
1164                 # we need collect2 until our bug is fixed...
1165                 use_collect2=yes
1166                 ;;
1167 changequote(,)dnl
1168         i[34567]86-*-coff*)
1169 changequote([,])dnl
1170                 tm_file=i386/i386-coff.h
1171                 tmake_file=i386/t-i386bare
1172                 ;;
1173 changequote(,)dnl
1174         i[34567]86-*-isc*)              # 80386 running ISC system
1175 changequote([,])dnl
1176                 xm_file="${xm_file} i386/xm-isc.h"
1177                 xm_defines="USG SVR3"
1178                 case $machine in
1179 changequote(,)dnl
1180                   i[34567]86-*-isc[34]*)
1181 changequote([,])dnl
1182                     xmake_file=i386/x-isc3
1183                     ;;
1184                   *)
1185                     xmake_file=i386/x-isc
1186                     ;;
1187                 esac
1188                 if test x$gas = xyes -a x$stabs = xyes
1189                 then
1190                         tm_file=i386/iscdbx.h
1191                         tmake_file=i386/t-svr3dbx
1192                         extra_parts="svr3.ifile svr3z.ifile"
1193                 else
1194                         tm_file=i386/isccoff.h
1195                         tmake_file=i386/t-crtstuff
1196                         extra_parts="crtbegin.o crtend.o"
1197                 fi
1198                 install_headers_dir=install-headers-cpio
1199                 ;;
1200 changequote(,)dnl
1201         i[34567]86-*-linux-gnuoldld*)   # Intel 80386's running GNU/Linux
1202 changequote([,])dnl                     # with a.out format using
1203                                         # pre BFD linkers
1204                 xmake_file=x-linux-aout
1205                 tmake_file="t-linux-aout i386/t-crtstuff"
1206                 tm_file=i386/linux-oldld.h
1207                 gnu_ld=yes
1208                 float_format=i386
1209                 ;;
1210 changequote(,)dnl
1211         i[34567]86-*-linux-gnuaout*)    # Intel 80386's running GNU/Linux
1212 changequote([,])dnl                     # with a.out format
1213                 xmake_file=x-linux-aout
1214                 tmake_file="t-linux-aout i386/t-crtstuff"
1215                 tm_file=i386/linux-aout.h
1216                 gnu_ld=yes
1217                 float_format=i386
1218                 ;;
1219 changequote(,)dnl
1220         i[34567]86-*-linux-gnulibc1)    # Intel 80386's running GNU/Linux
1221 changequote([,])dnl                     # with ELF format using the
1222                                         # GNU/Linux C library 5
1223                 xmake_file=x-linux
1224                 tm_file=i386/linux.h
1225                 tmake_file="t-linux t-linux-gnulibc1 i386/t-crtstuff"
1226                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1227                 gnu_ld=yes
1228                 float_format=i386
1229                 if test x$enable_threads = xyes; then
1230                         thread_file='single'
1231                 fi
1232                 ;;
1233 changequote(,)dnl
1234         i[34567]86-*-linux-gnu*)        # Intel 80386's running GNU/Linux
1235 changequote([,])dnl                     # with ELF format using glibc 2
1236                                         # aka GNU/Linux C library 6
1237                 xmake_file=x-linux
1238                 tm_file=i386/linux.h
1239                 tmake_file="t-linux i386/t-crtstuff"
1240                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1241                 gnu_ld=yes
1242                 float_format=i386
1243                 if test x$enable_threads = xyes; then
1244                         thread_file='posix'
1245                 fi
1246                 ;;
1247 changequote(,)dnl
1248         i[34567]86-*-gnu*)
1249                 float_format=i386
1250 changequote([,])dnl
1251                 ;;
1252 changequote(,)dnl
1253         i[34567]86-go32-msdos | i[34567]86-*-go32*)
1254 changequote([,])dnl
1255                 echo "GO32/DJGPP V1.X is no longer supported. Use *-pc-msdosdjgpp for DJGPP V2.X instead."
1256                 exit 1
1257                 ;;
1258 changequote(,)dnl
1259         i[34567]86-pc-msdosdjgpp*)
1260 changequote([,])dnl
1261                 xm_file=i386/xm-djgpp.h
1262                 tm_file=i386/djgpp.h
1263                 tmake_file=i386/t-djgpp
1264                 xmake_file=i386/x-djgpp
1265                 gnu_ld=yes
1266                 gas=yes
1267                 exeext=.exe
1268                 case $host in *pc-msdosdjgpp*)
1269                         target_alias=djgpp
1270                         ;;
1271                 esac
1272                 ;;
1273 changequote(,)dnl
1274         i[34567]86-moss-msdos* | i[34567]86-*-moss*)
1275 changequote([,])dnl
1276                 tm_file=i386/moss.h
1277                 tmake_file=t-libc-ok
1278                 gnu_ld=yes
1279                 gas=yes
1280                 ;;
1281 changequote(,)dnl
1282         i[34567]86-*-lynxos*)
1283 changequote([,])dnl
1284                 if test x$gas = xyes
1285                 then
1286                         tm_file=i386/lynx.h
1287                 else
1288                         tm_file=i386/lynx-ng.h
1289                 fi
1290                 xm_file=i386/xm-lynx.h
1291                 tmake_file=i386/t-i386bare
1292                 xmake_file=x-lynx
1293                 ;;
1294 changequote(,)dnl
1295         i[34567]86-*-mach*)
1296 changequote([,])dnl
1297                 tm_file=i386/mach.h
1298 #               tmake_file=t-libc-ok
1299                 use_collect2=yes
1300                 ;;
1301 changequote(,)dnl
1302         i[34567]86-*-osfrose*)          # 386 using OSF/rose
1303 changequote([,])dnl
1304                 if test x$elf = xyes
1305                 then
1306                         tm_file=i386/osfelf.h
1307                         use_collect2=
1308                 else
1309                         tm_file=i386/osfrose.h
1310                         use_collect2=yes
1311                 fi
1312                 xm_file="i386/xm-osf.h ${xm_file}"
1313                 xmake_file=i386/x-osfrose
1314                 tmake_file=i386/t-osf
1315                 extra_objs=halfpic.o
1316                 ;;
1317 changequote(,)dnl
1318         i[34567]86-go32-rtems*)
1319 changequote([,])dnl
1320                 cpu_type=i386
1321                 xm_file=i386/xm-go32.h
1322                 tm_file=i386/go32-rtems.h
1323                 tmake_file="i386/t-go32 t-rtems"
1324                 ;;
1325 changequote(,)dnl
1326         i[34567]86-*-rtemself*)
1327 changequote([,])dnl
1328                 cpu_type=i386
1329                 tm_file=i386/rtemself.h
1330                 tmake_file="i386/t-i386bare t-rtems"
1331                 ;;
1332 changequote(,)dnl
1333         i[34567]86-*-rtems*)
1334 changequote([,])dnl
1335                 cpu_type=i386
1336                 tm_file=i386/rtems.h
1337                 tmake_file="i386/t-i386bare t-rtems"
1338                 ;;
1339 changequote(,)dnl
1340         i[34567]86-*-sco3.2v5*) # 80386 running SCO Open Server 5
1341 changequote([,])dnl
1342                 xm_file="xm-siglist.h xm-alloca.h ${xm_file} i386/xm-sco5.h"
1343                 xm_defines="USG SVR3"
1344                 xmake_file=i386/x-sco5
1345                 install_headers_dir=install-headers-cpio
1346                 tm_file=i386/sco5.h
1347                 if test x$gas = xyes
1348                 then
1349                         tm_file="i386/sco5gas.h ${tm_file}"
1350                         tmake_file=i386/t-sco5gas
1351                 else
1352                         tmake_file=i386/t-sco5
1353                 fi
1354                 extra_parts="crti.o crtbegin.o crtend.o crtbeginS.o crtendS.o"
1355                 ;;
1356 changequote(,)dnl
1357         i[34567]86-*-sco3.2v4*)         # 80386 running SCO 3.2v4 system
1358 changequote([,])dnl
1359                 xm_file="${xm_file} i386/xm-sco.h"
1360                 xm_defines="USG SVR3 BROKEN_LDEXP SMALL_ARG_MAX NO_SYS_SIGLIST"
1361                 xmake_file=i386/x-sco4
1362                 install_headers_dir=install-headers-cpio
1363                 if test x$stabs = xyes
1364                 then
1365                         tm_file=i386/sco4dbx.h
1366                         tmake_file=i386/t-svr3dbx
1367                         extra_parts="svr3.ifile svr3z.rfile"
1368                 else
1369                         tm_file=i386/sco4.h
1370                         tmake_file=i386/t-crtstuff
1371                         extra_parts="crtbegin.o crtend.o"
1372                 fi
1373                 truncate_target=yes
1374                 ;;
1375 changequote(,)dnl
1376         i[34567]86-*-sco*)              # 80386 running SCO system
1377 changequote([,])dnl
1378                 xm_file=i386/xm-sco.h
1379                 xmake_file=i386/x-sco
1380                 install_headers_dir=install-headers-cpio
1381                 if test x$stabs = xyes
1382                 then
1383                         tm_file=i386/scodbx.h
1384                         tmake_file=i386/t-svr3dbx
1385                         extra_parts="svr3.ifile svr3z.rfile"
1386                 else
1387                         tm_file=i386/sco.h
1388                         extra_parts="crtbegin.o crtend.o"
1389                         tmake_file=i386/t-crtstuff
1390                 fi
1391                 truncate_target=yes
1392                 ;;
1393 changequote(,)dnl
1394         i[34567]86-*-solaris2*)
1395 changequote([,])dnl
1396                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1397                 xm_defines="USG POSIX SMALL_ARG_MAX"
1398                 if test x$stabs = xyes
1399                 then
1400                         tm_file=i386/sol2dbg.h
1401                 else
1402                         tm_file=i386/sol2.h
1403                 fi
1404                 tmake_file=i386/t-sol2
1405                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
1406                 xmake_file=x-svr4
1407                 if test x$enable_threads = xyes; then
1408                         thread_file='solaris'
1409                 fi
1410                 ;;
1411 changequote(,)dnl
1412        i[34567]86-*-sysv5*)           # Intel x86 on System V Release 5
1413 changequote([,])dnl
1414                xm_file="xm-alloca.h xm-siglist.h ${xm_file}"
1415                xm_defines="USG POSIX"
1416                tm_file=i386/sysv5.h
1417                if test x$stabs = xyes
1418                then
1419                        tm_file="${tm_file} dbx.h"
1420                fi
1421                tmake_file=i386/t-crtpic
1422                xmake_file=x-svr4
1423                extra_parts="crtbegin.o crtend.o"
1424                if test x$enable_threads = xyes; then
1425                        thread_file='posix'
1426                fi
1427                ;;
1428 changequote(,)dnl
1429         i[34567]86-*-sysv4*)            # Intel 80386's running system V.4
1430 changequote([,])dnl
1431                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1432                 xm_defines="USG POSIX SMALL_ARG_MAX"
1433                 tm_file=i386/sysv4.h
1434                 if test x$stabs = xyes
1435                 then
1436                         tm_file="${tm_file} dbx.h"
1437                 fi
1438                 tmake_file=i386/t-crtpic
1439                 xmake_file=x-svr4
1440                 extra_parts="crtbegin.o crtend.o"
1441                 ;;
1442 changequote(,)dnl
1443         i[34567]86-*-udk*)      # Intel x86 on SCO UW/OSR5 Dev Kit
1444 changequote([,])dnl
1445                 xm_file="xm-alloca.h xm-siglist.h ${xm_file}"
1446                 xm_defines="USG POSIX"
1447                 tm_file=i386/udk.h
1448                 tmake_file="i386/t-crtpic i386/t-udk"
1449                 xmake_file=x-svr4
1450                 extra_parts="crtbegin.o crtend.o"
1451                 ;;
1452 changequote(,)dnl
1453         i[34567]86-*-osf1*)             # Intel 80386's running OSF/1 1.3+
1454 changequote([,])dnl
1455                 cpu_type=i386
1456                 xm_file="${xm_file} xm-svr4.h i386/xm-sysv4.h i386/xm-osf1elf.h"
1457                 xm_defines="USE_C_ALLOCA SMALL_ARG_MAX"
1458                 if test x$stabs = xyes
1459                 then
1460                         tm_file=i386/osf1elfgdb.h
1461                 else
1462                         tm_file=i386/osf1elf.h
1463                 fi
1464                 tmake_file=i386/t-osf1elf
1465                 xmake_file=i386/x-osf1elf
1466                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
1467                 ;;
1468 changequote(,)dnl
1469         i[34567]86-*-sysv*)             # Intel 80386's running system V
1470 changequote([,])dnl
1471                 xm_defines="USG SVR3"
1472                 xmake_file=i386/x-sysv3
1473                 if test x$gas = xyes
1474                 then
1475                         if test x$stabs = xyes
1476                         then
1477                                 tm_file=i386/svr3dbx.h
1478                                 tmake_file=i386/t-svr3dbx
1479                                 extra_parts="svr3.ifile svr3z.rfile"
1480                         else
1481                                 tm_file=i386/svr3gas.h
1482                                 extra_parts="crtbegin.o crtend.o"
1483                                 tmake_file=i386/t-crtstuff
1484                         fi
1485                 else
1486                         tm_file=i386/sysv3.h
1487                         extra_parts="crtbegin.o crtend.o"
1488                         tmake_file=i386/t-crtstuff
1489                 fi
1490                 ;;
1491         i386-*-vsta)                    # Intel 80386's running VSTa kernel
1492                 xm_file="${xm_file} i386/xm-vsta.h"
1493                 tm_file=i386/vsta.h
1494                 tmake_file=i386/t-vsta
1495                 xmake_file=i386/x-vsta
1496                 ;;
1497 changequote(,)dnl
1498         i[34567]86-*-win32)
1499 changequote([,])dnl
1500                 xm_file="${xm_file} i386/xm-cygwin.h"
1501                 tmake_file=i386/t-cygwin
1502                 tm_file=i386/win32.h
1503                 xmake_file=i386/x-cygwin
1504                 extra_objs=winnt.o
1505                 if test x$enable_threads = xyes; then
1506                         thread_file='win32'
1507                 fi
1508                 exeext=.exe
1509                 ;;
1510 changequote(,)dnl
1511         i[34567]86-*-pe | i[34567]86-*-cygwin*)
1512 changequote([,])dnl
1513                 xm_file="${xm_file} i386/xm-cygwin.h"
1514                 tmake_file=i386/t-cygwin
1515                 tm_file=i386/cygwin.h
1516                 xmake_file=i386/x-cygwin
1517                 extra_objs=winnt.o
1518                 if test x$enable_threads = xyes; then
1519                         thread_file='win32'
1520                 fi
1521                 exeext=.exe
1522                 ;;
1523 changequote(,)dnl
1524         i[34567]86-*-mingw32*)
1525 changequote([,])dnl
1526                 tm_file=i386/mingw32.h
1527                 xm_file="${xm_file} i386/xm-mingw32.h"
1528                 tmake_file="i386/t-cygwin i386/t-mingw32"
1529                 extra_objs=winnt.o
1530                 xmake_file=i386/x-cygwin
1531                 if test x$enable_threads = xyes; then
1532                         thread_file='win32'
1533                 fi
1534                 exeext=.exe
1535                 case $machine in
1536                         *mingw32msv*)
1537                                 ;;
1538                         *minwg32crt* | *mingw32*)
1539                                 tm_file="${tm_file} i386/crtdll.h"
1540                                 ;;
1541                 esac
1542                 ;;
1543 changequote(,)dnl
1544         i[34567]86-*-uwin*)
1545 changequote([,])dnl
1546                 tm_file=i386/uwin.h
1547                 xm_file="${xm_file} i386/xm-uwin.h"
1548                 xm_defines="USG NO_STAB_H NO_SYS_SIGLIST"
1549                 tmake_file="i386/t-cygwin i386/t-uwin"
1550                 extra_objs=winnt.o
1551                 xmake_file=i386/x-cygwin
1552                 if test x$enable_threads = xyes; then
1553                         thread_file='win32'
1554                 fi
1555                 exeext=.exe
1556                 ;;
1557 changequote(,)dnl
1558         i[34567]86-*-interix*)
1559 changequote([,])dnl
1560                 tm_file="i386/i386-interix.h interix.h"
1561                 xm_file="i386/xm-i386-interix.h xm-interix.h"
1562                 xm_defines="USG NO_SYS_SIGLIST"
1563                 tmake_file="i386/t-interix"
1564                 extra_objs=interix.o
1565                 xmake_file=x-interix
1566                 if test x$enable_threads = xyes ; then
1567                         thread_file='posix'
1568                 fi
1569                 if test x$stabs = xyes ; then
1570                         tm_file="${tm_file} dbxcoff.h"
1571                 fi
1572                 ;;
1573 changequote(,)dnl
1574         i[34567]86-*-winnt3*)
1575 changequote([,])dnl
1576                 tm_file=i386/win-nt.h
1577                 out_file=i386/i386.c
1578                 xm_file="xm-winnt.h ${xm_file}"
1579                 xmake_file=winnt/x-winnt
1580                 tmake_file=i386/t-winnt
1581                 extra_host_objs="winnt.o oldnames.o"
1582                 extra_gcc_objs="spawnv.o oldnames.o"
1583                 if test x$gnu_ld != xyes
1584                 then
1585                         extra_programs=ld.exe
1586                 fi
1587                 if test x$enable_threads = xyes; then
1588                         thread_file='win32'
1589                 fi
1590                 ;;
1591 changequote(,)dnl
1592         i[34567]86-dg-dgux*)
1593 changequote([,])dnl
1594                 xm_file="xm-alloca.h xm-siglist.h ${xm_file}"
1595                 xm_defines="USG POSIX"
1596                 out_file=i386/dgux.c
1597                 tm_file=i386/dgux.h
1598                 tmake_file=i386/t-dgux
1599                 xmake_file=i386/x-dgux
1600                 install_headers_dir=install-headers-cpio
1601               ;;
1602         i860-alliant-*)         # Alliant FX/2800
1603                 tm_file="${tm_file} svr4.h i860/sysv4.h i860/fx2800.h"
1604                 xm_file="${xm_file}"
1605                 xmake_file=i860/x-fx2800
1606                 tmake_file=i860/t-fx2800
1607                 extra_parts="crtbegin.o crtend.o"
1608                 ;;
1609         i860-*-bsd*)
1610                 tm_file="${tm_file} i860/bsd.h"
1611                 if test x$gas = xyes
1612                 then
1613                         tm_file="${tm_file} i860/bsd-gas.h"
1614                 fi
1615                 use_collect2=yes
1616                 ;;
1617         i860-*-mach*)
1618                 tm_file="${tm_file} i860/mach.h"
1619                 tmake_file=t-libc-ok
1620                 ;;
1621         i860-*-osf*)                    # Intel Paragon XP/S, OSF/1AD
1622                 tm_file="${tm_file} svr3.h i860/paragon.h"
1623                 xm_defines="USG SVR3"
1624                 tmake_file=t-osf
1625                 ;;
1626         i860-*-sysv3*)
1627                 tm_file="${tm_file} svr3.h i860/sysv3.h"
1628                 xm_defines="USG SVR3"
1629                 xmake_file=i860/x-sysv3
1630                 extra_parts="crtbegin.o crtend.o"
1631                 ;;
1632         i860-*-sysv4*)
1633                 tm_file="${tm_file} svr4.h i860/sysv4.h"
1634                 xm_defines="USG SVR3"
1635                 xmake_file=i860/x-sysv4
1636                 tmake_file=t-svr4
1637                 extra_parts="crtbegin.o crtend.o"
1638                 ;;
1639         i960-wrs-vxworks5 | i960-wrs-vxworks5.0*)
1640                 tm_file="${tm_file} i960/vx960.h"
1641                 tmake_file=i960/t-vxworks960
1642                 use_collect2=yes
1643                 thread_file='vxworks'
1644                 ;;
1645         i960-wrs-vxworks5* | i960-wrs-vxworks)
1646                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h i960/vx960-coff.h"
1647                 tmake_file=i960/t-vxworks960
1648                 use_collect2=yes
1649                 thread_file='vxworks'
1650                 ;;
1651         i960-wrs-vxworks*)
1652                 tm_file="${tm_file} i960/vx960.h"
1653                 tmake_file=i960/t-vxworks960
1654                 use_collect2=yes
1655                 thread_file='vxworks'
1656                 ;;
1657         i960-*-coff*)
1658                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h libgloss.h"
1659                 tmake_file=i960/t-960bare
1660                 use_collect2=yes
1661                 ;;
1662         i960-*-rtems)
1663                 tmake_file="i960/t-960bare t-rtems"
1664                 tm_file="${tm_file} dbxcoff.h i960/rtems.h"
1665                 use_collect2=yes
1666                 ;;
1667         i960-*-*)                       # Default i960 environment.
1668                 use_collect2=yes
1669                 ;;
1670         m32r-*-elf*)
1671                 extra_parts="crtinit.o crtfini.o"
1672                 ;;
1673         m68000-convergent-sysv*)
1674                 tm_file=m68k/ctix.h
1675                 xm_file="m68k/xm-3b1.h ${xm_file}"
1676                 xm_defines=USG
1677                 use_collect2=yes
1678                 extra_headers=math-68881.h
1679                 ;;
1680         m68000-hp-bsd*)                 # HP 9000/200 running BSD
1681                 tm_file=m68k/hp2bsd.h
1682                 xmake_file=m68k/x-hp2bsd
1683                 use_collect2=yes
1684                 extra_headers=math-68881.h
1685                 ;;
1686         m68000-hp-hpux*)                # HP 9000 series 300
1687                 xm_file="xm_alloca.h ${xm_file}"
1688                 xm_defines="USG NO_SYS_SIGLIST"
1689                 if test x$gas = xyes
1690                 then
1691                         xmake_file=m68k/x-hp320g
1692                         tm_file=m68k/hp310g.h
1693                 else
1694                         xmake_file=m68k/x-hp320
1695                         tm_file=m68k/hp310.h
1696                 fi
1697                 install_headers_dir=install-headers-cpio
1698                 use_collect2=yes
1699                 extra_headers=math-68881.h
1700                 ;;
1701         m68000-sun-sunos3*)
1702                 tm_file=m68k/sun2.h
1703                 use_collect2=yes
1704                 extra_headers=math-68881.h
1705                 ;;
1706         m68000-sun-sunos4*)
1707                 tm_file=m68k/sun2o4.h
1708                 use_collect2=yes
1709                 extra_headers=math-68881.h
1710                 ;;
1711         m68000-att-sysv*)
1712                 xm_file="m68k/xm-3b1.h ${xm_file}"
1713                 xm_defines=USG
1714                 if test x$gas = xyes
1715                 then
1716                         tm_file=m68k/3b1g.h
1717                 else
1718                         tm_file=m68k/3b1.h
1719                 fi
1720                 use_collect2=yes
1721                 extra_headers=math-68881.h
1722                 ;;
1723         m68k-apple-aux*)                # Apple Macintosh running A/UX
1724                 xm_defines="USG AUX"
1725                 tmake_file=m68k/t-aux
1726                 install_headers_dir=install-headers-cpio
1727                 extra_headers=math-68881.h
1728                 extra_parts="crt1.o mcrt1.o maccrt1.o crt2.o crtn.o"
1729                 tm_file=
1730                 if test "$gnu_ld" = yes
1731                 then
1732                         tm_file="${tm_file} m68k/auxgld.h"
1733                 else
1734                         tm_file="${tm_file} m68k/auxld.h"
1735                 fi
1736                 if test "$gas" = yes
1737                 then
1738                         tm_file="${tm_file} m68k/auxgas.h"
1739                 else
1740                         tm_file="${tm_file} m68k/auxas.h"
1741                 fi
1742                 tm_file="${tm_file} m68k/a-ux.h"
1743                 float_format=m68k
1744                 ;;
1745         m68k-apollo-*)
1746                 tm_file=m68k/apollo68.h
1747                 xmake_file=m68k/x-apollo68
1748                 use_collect2=yes
1749                 extra_headers=math-68881.h
1750                 float_format=m68k
1751                 ;;
1752         m68k-altos-sysv*)                  # Altos 3068
1753                 if test x$gas = xyes
1754                 then
1755                         tm_file=m68k/altos3068.h
1756                         xm_defines=USG
1757                 else
1758                         echo "The Altos is supported only with the GNU assembler" 1>&2
1759                         exit 1
1760                 fi
1761                 extra_headers=math-68881.h
1762                 ;;
1763         m68k-bull-sysv*)                # Bull DPX/2
1764                 if test x$gas = xyes
1765                 then
1766                         if test x$stabs = xyes
1767                         then
1768                                 tm_file=m68k/dpx2cdbx.h
1769                         else
1770                                 tm_file=m68k/dpx2g.h
1771                         fi
1772                 else
1773                         tm_file=m68k/dpx2.h
1774                 fi
1775                 xm_file="xm-alloca.h ${xm_file}"
1776                 xm_defines=USG
1777                 xmake_file=m68k/x-dpx2
1778                 use_collect2=yes
1779                 extra_headers=math-68881.h
1780                 ;;
1781         m68k-atari-sysv4*)              # Atari variant of V.4.
1782                 tm_file=m68k/atari.h
1783                 xm_file="xm-alloca.h ${xm_file}"
1784                 xm_defines="USG FULL_PROTOTYPES"
1785                 tmake_file=t-svr4
1786                 extra_parts="crtbegin.o crtend.o"
1787                 extra_headers=math-68881.h
1788                 float_format=m68k
1789                 ;;
1790         m68k-motorola-sysv*)
1791                 tm_file=m68k/mot3300.h
1792                 xm_file="xm-alloca.h m68k/xm-mot3300.h ${xm_file}"
1793                 xm_defines=NO_SYS_SIGLIST
1794                 if test x$gas = xyes
1795                 then
1796                         xmake_file=m68k/x-mot3300-gas
1797                         if test x$gnu_ld = xyes
1798                         then
1799                                 tmake_file=m68k/t-mot3300-gald
1800                         else
1801                                 tmake_file=m68k/t-mot3300-gas
1802                                 use_collect2=yes
1803                         fi
1804                 else
1805                         xmake_file=m68k/x-mot3300
1806                         if test x$gnu_ld = xyes
1807                         then
1808                                 tmake_file=m68k/t-mot3300-gld
1809                         else
1810                                 tmake_file=m68k/t-mot3300
1811                                 use_collect2=yes
1812                         fi
1813                 fi
1814                 gdb_needs_out_file_path=yes
1815                 extra_parts="crt0.o mcrt0.o"
1816                 extra_headers=math-68881.h
1817                 float_format=m68k
1818                 ;;
1819         m68k-ncr-sysv*)                 # NCR Tower 32 SVR3
1820                 tm_file=m68k/tower-as.h
1821                 xm_defines="USG SVR3"
1822                 xmake_file=m68k/x-tower
1823                 extra_parts="crtbegin.o crtend.o"
1824                 extra_headers=math-68881.h
1825                 ;;
1826         m68k-plexus-sysv*)
1827                 tm_file=m68k/plexus.h
1828                 xm_file="xm-alloca.h m68k/xm-plexus.h ${xm_file}"
1829                 xm_defines=USG
1830                 use_collect2=yes
1831                 extra_headers=math-68881.h
1832                 ;;
1833         m68k-tti-*)
1834                 tm_file=m68k/pbb.h
1835                 xm_file="xm-alloca.h ${xm_file}"
1836                 xm_defines=USG
1837                 extra_headers=math-68881.h
1838                 ;;
1839         m68k-crds-unos*)
1840                 xm_file="xm-alloca.h m68k/xm-crds.h ${xm_file}"
1841                 xm_defines="USG unos"
1842                 xmake_file=m68k/x-crds
1843                 tm_file=m68k/crds.h
1844                 use_collect2=yes
1845                 extra_headers=math-68881.h
1846                 ;;
1847         m68k-cbm-sysv4*)                # Commodore variant of V.4.
1848                 tm_file=m68k/amix.h
1849                 xm_file="xm-alloca.h ${xm_file}"
1850                 xm_defines="USG FULL_PROTOTYPES"
1851                 xmake_file=m68k/x-amix
1852                 tmake_file=t-svr4
1853                 extra_parts="crtbegin.o crtend.o"
1854                 extra_headers=math-68881.h
1855                 float_format=m68k
1856                 ;;
1857         m68k-ccur-rtu)
1858                 tm_file=m68k/ccur-GAS.h
1859                 xmake_file=m68k/x-ccur
1860                 extra_headers=math-68881.h
1861                 use_collect2=yes
1862                 float_format=m68k
1863                 ;;
1864         m68k-hp-bsd4.4*)                # HP 9000/3xx running 4.4bsd
1865                 tm_file=m68k/hp3bsd44.h
1866                 xmake_file=m68k/x-hp3bsd44
1867                 use_collect2=yes
1868                 extra_headers=math-68881.h
1869                 float_format=m68k
1870                 ;;
1871         m68k-hp-bsd*)                   # HP 9000/3xx running Berkeley Unix
1872                 tm_file=m68k/hp3bsd.h
1873                 use_collect2=yes
1874                 extra_headers=math-68881.h
1875                 float_format=m68k
1876                 ;;
1877         m68k-isi-bsd*)
1878                 if test x$with_fp = xno
1879                 then
1880                         tm_file=m68k/isi-nfp.h
1881                 else
1882                         tm_file=m68k/isi.h
1883                         float_format=m68k
1884                 fi
1885                 use_collect2=yes
1886                 extra_headers=math-68881.h
1887                 ;;
1888         m68k-hp-hpux7*) # HP 9000 series 300 running HPUX version 7.
1889                 xm_file="xm_alloca.h ${xm_file}"
1890                 xm_defines="USG NO_SYS_SIGLIST"
1891                 if test x$gas = xyes
1892                 then
1893                         xmake_file=m68k/x-hp320g
1894                         tm_file=m68k/hp320g.h
1895                 else
1896                         xmake_file=m68k/x-hp320
1897                         tm_file=m68k/hpux7.h
1898                 fi
1899                 install_headers_dir=install-headers-cpio
1900                 use_collect2=yes
1901                 extra_headers=math-68881.h
1902                 float_format=m68k
1903                 ;;
1904         m68k-hp-hpux*)  # HP 9000 series 300
1905                 xm_file="xm_alloca.h ${xm_file}"
1906                 xm_defines="USG NO_SYS_SIGLIST"
1907                 if test x$gas = xyes
1908                 then
1909                         xmake_file=m68k/x-hp320g
1910                         tm_file=m68k/hp320g.h
1911                 else
1912                         xmake_file=m68k/x-hp320
1913                         tm_file=m68k/hp320.h
1914                 fi
1915                 install_headers_dir=install-headers-cpio
1916                 use_collect2=yes
1917                 extra_headers=math-68881.h
1918                 float_format=m68k
1919                 ;;
1920         m68k-sun-mach*)
1921                 tm_file=m68k/sun3mach.h
1922                 use_collect2=yes
1923                 extra_headers=math-68881.h
1924                 float_format=m68k
1925                 ;;
1926         m68k-sony-newsos3*)
1927                 if test x$gas = xyes
1928                 then
1929                         tm_file=m68k/news3gas.h
1930                 else
1931                         tm_file=m68k/news3.h
1932                 fi
1933                 use_collect2=yes
1934                 extra_headers=math-68881.h
1935                 float_format=m68k
1936                 ;;
1937         m68k-sony-bsd* | m68k-sony-newsos*)
1938                 if test x$gas = xyes
1939                 then
1940                         tm_file=m68k/newsgas.h
1941                 else
1942                         tm_file=m68k/news.h
1943                 fi
1944                 use_collect2=yes
1945                 extra_headers=math-68881.h
1946                 float_format=m68k
1947                 ;;
1948         m68k-next-nextstep2*)
1949                 tm_file=m68k/next21.h
1950                 xm_file="m68k/xm-next.h ${xm_file}"
1951                 tmake_file=m68k/t-next
1952                 xmake_file=m68k/x-next
1953                 extra_objs=nextstep.o
1954                 extra_headers=math-68881.h
1955                 use_collect2=yes
1956                 float_format=m68k
1957                 ;;
1958         m68k-next-nextstep3*)
1959                 tm_file=m68k/next.h
1960                 xm_file="m68k/xm-next.h ${xm_file}"
1961                 tmake_file=m68k/t-next
1962                 xmake_file=m68k/x-next
1963                 extra_objs=nextstep.o
1964                 extra_parts="crtbegin.o crtend.o"
1965                 extra_headers=math-68881.h
1966                 float_format=m68k
1967                 if test x$enable_threads = xyes; then
1968                         thread_file='mach'
1969                 fi
1970                 ;;
1971         m68k-sun-sunos3*)
1972                 if test x$with_fp = xno
1973                 then
1974                         tm_file=m68k/sun3n3.h
1975                 else
1976                         tm_file=m68k/sun3o3.h
1977                         float_format=m68k
1978                 fi
1979                 use_collect2=yes
1980                 extra_headers=math-68881.h
1981                 ;;
1982         m68k-sun-sunos*)                        # For SunOS 4 (the default).
1983                 if test x$with_fp = xno
1984                 then
1985                         tm_file=m68k/sun3n.h
1986                 else
1987                         tm_file=m68k/sun3.h
1988                         float_format=m68k
1989                 fi
1990                 use_collect2=yes
1991                 extra_headers=math-68881.h
1992                 ;;
1993         m68k-wrs-vxworks*)
1994                 tm_file=m68k/vxm68k.h
1995                 tmake_file=m68k/t-vxworks68
1996                 extra_headers=math-68881.h
1997                 thread_file='vxworks'
1998                 float_format=m68k
1999                 ;;
2000         m68k-*-aout*)
2001                 tmake_file=m68k/t-m68kbare
2002                 tm_file="m68k/m68k-aout.h libgloss.h"
2003                 extra_headers=math-68881.h
2004                 float_format=m68k
2005                 ;;
2006         m68k-*-coff*)
2007                 tmake_file=m68k/t-m68kbare
2008                 tm_file="m68k/m68k-coff.h dbx.h libgloss.h"
2009                 extra_headers=math-68881.h
2010                 float_format=m68k
2011                 ;;
2012         m68020-*-elf* | m68k-*-elf*)
2013                 tm_file="m68k/m68020-elf.h libgloss.h"
2014                 xm_file=m68k/xm-m68kv.h
2015                 tmake_file=m68k/t-m68kelf
2016                 header_files=math-68881.h
2017                 ;;
2018         m68k-*-lynxos*)
2019                 if test x$gas = xyes
2020                 then
2021                         tm_file=m68k/lynx.h
2022                 else
2023                         tm_file=m68k/lynx-ng.h
2024                 fi
2025                 xm_file=m68k/xm-lynx.h
2026                 xmake_file=x-lynx
2027                 tmake_file=m68k/t-lynx
2028                 extra_headers=math-68881.h
2029                 float_format=m68k
2030                 ;;
2031         m68k*-*-netbsd*)
2032                 tm_file=m68k/netbsd.h
2033                 tmake_file=t-netbsd
2034                 float_format=m68k
2035        use_collect2=yes
2036                 ;;
2037         m68k*-*-openbsd*)
2038                 float_format=m68k
2039                 # we need collect2 until our bug is fixed...
2040                 use_collect2=yes
2041                 ;;
2042         m68k-*-sysv3*)                  # Motorola m68k's running system V.3
2043                 xm_file="xm-alloca.h ${xm_file}"
2044                 xm_defines=USG
2045                 xmake_file=m68k/x-m68kv
2046                 extra_parts="crtbegin.o crtend.o"
2047                 extra_headers=math-68881.h
2048                 float_format=m68k
2049                 ;;
2050         m68k-*-sysv4*)                  # Motorola m68k's running system V.4
2051                 tm_file=m68k/m68kv4.h
2052                 xm_file="xm-alloca.h ${xm_file}"
2053                 xm_defines=USG
2054                 tmake_file=t-svr4
2055                 extra_parts="crtbegin.o crtend.o"
2056                 extra_headers=math-68881.h
2057                 float_format=m68k
2058                 ;;
2059         m68k-*-linux-gnuaout*)          # Motorola m68k's running GNU/Linux
2060                                         # with a.out format
2061                 xmake_file=x-linux
2062                 tm_file=m68k/linux-aout.h
2063                 tmake_file="t-linux-aout m68k/t-linux-aout"
2064                 extra_headers=math-68881.h
2065                 float_format=m68k
2066                 gnu_ld=yes
2067                 ;;
2068         m68k-*-linux-gnulibc1)          # Motorola m68k's running GNU/Linux
2069                                         # with ELF format using the
2070                                         # GNU/Linux C library 5
2071                 xmake_file=x-linux
2072                 tm_file=m68k/linux.h
2073                 tmake_file="t-linux t-linux-gnulibc1 m68k/t-linux"
2074                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2075                 extra_headers=math-68881.h
2076                 float_format=m68k
2077                 gnu_ld=yes
2078                 ;;
2079         m68k-*-linux-gnu*)              # Motorola m68k's running GNU/Linux
2080                                         # with ELF format using glibc 2
2081                                         # aka the GNU/Linux C library 6.
2082                 xmake_file=x-linux
2083                 tm_file=m68k/linux.h
2084                 tmake_file="t-linux m68k/t-linux"
2085                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2086                 extra_headers=math-68881.h
2087                 float_format=m68k
2088                 gnu_ld=yes
2089                 if test x$enable_threads = xyes; then
2090                         thread_file='posix'
2091                 fi
2092                 ;;
2093         m68k-*-psos*)
2094                 tmake_file=m68k/t-m68kbare
2095                 tm_file=m68k/m68k-psos.h
2096                 extra_headers=math-68881.h
2097                 float_format=m68k
2098                 ;;
2099         m68k-*-rtems*)
2100                 tmake_file="m68k/t-m68kbare t-rtems"
2101                 tm_file=m68k/rtems.h
2102                 extra_headers=math-68881.h
2103                 float_format=m68k
2104                 ;;
2105
2106         m88k-dg-dgux*)
2107                 case $machine in
2108                   m88k-dg-dguxbcs*)
2109                     tm_file=m88k/dguxbcs.h
2110                     tmake_file=m88k/t-dguxbcs
2111                     ;;
2112                   *)
2113                     tm_file=m88k/dgux.h
2114                     tmake_file=m88k/t-dgux
2115                     ;;
2116                 esac
2117                 extra_parts="crtbegin.o bcscrtbegin.o crtend.o m88kdgux.ld"
2118                 xmake_file=m88k/x-dgux
2119                 if test x$gas = xyes
2120                 then
2121                         tmake_file=m88k/t-dgux-gas
2122                 fi
2123                 ;;
2124         m88k-dolphin-sysv3*)
2125                 tm_file=m88k/dolph.h
2126                 extra_parts="crtbegin.o crtend.o"
2127                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2128                 xmake_file=m88k/x-dolph
2129                 if test x$gas = xyes
2130                 then
2131                         tmake_file=m88k/t-m88k-gas
2132                 fi
2133                 ;;
2134         m88k-tektronix-sysv3)
2135                 tm_file=m88k/tekXD88.h
2136                 extra_parts="crtbegin.o crtend.o"
2137                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2138                 xmake_file=m88k/x-tekXD88
2139                 if test x$gas = xyes
2140                 then
2141                         tmake_file=m88k/t-m88k-gas
2142                 fi
2143                 ;;
2144         m88k-*-aout*)
2145                 tm_file=m88k/m88k-aout.h
2146                 ;;
2147         m88k-*-coff*)
2148                 tm_file=m88k/m88k-coff.h
2149                 tmake_file=m88k/t-bug
2150                 ;;
2151         m88k-*-luna*)
2152                 tm_file=m88k/luna.h
2153                 extra_parts="crtbegin.o crtend.o"
2154                 if test x$gas = xyes
2155                 then
2156                         tmake_file=m88k/t-luna-gas
2157                 else
2158                         tmake_file=m88k/t-luna
2159                 fi
2160                 ;;
2161         m88k-*-openbsd*)
2162                 tmake_file="${tmake_file} m88k/t-luna-gas"
2163                 ;;
2164         m88k-*-sysv3*)
2165                 tm_file=m88k/sysv3.h
2166                 extra_parts="crtbegin.o crtend.o"
2167                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2168                 xmake_file=m88k/x-sysv3
2169                 if test x$gas = xyes
2170                 then
2171                         tmake_file=m88k/t-m88k-gas
2172                 fi
2173                 ;;
2174         m88k-*-sysv4*)
2175                 tm_file=m88k/sysv4.h
2176                 extra_parts="crtbegin.o crtend.o"
2177                 xmake_file=m88k/x-sysv4
2178                 tmake_file=m88k/t-sysv4
2179                 ;;
2180         mips-sgi-irix6*)                # SGI System V.4., IRIX 6
2181                 tm_file=mips/iris6.h
2182                 xm_file=mips/xm-iris6.h
2183                 xmake_file=mips/x-iris6
2184                 tmake_file=mips/t-iris6
2185 #               if test x$enable_threads = xyes; then
2186 #                       thread_file='irix'
2187 #               fi
2188                 ;;
2189         mips-wrs-vxworks)
2190                 tm_file="mips/elf.h libgloss.h mips/vxworks.h"
2191                 tmake_file=mips/t-ecoff
2192                 gas=yes
2193                 gnu_ld=yes
2194                 extra_parts="crtbegin.o crtend.o"
2195                 thread_file='vxworks'
2196                 ;;
2197         mips-sgi-irix5cross64)          # Irix5 host, Irix 6 target, cross64
2198                 tm_file="mips/iris6.h mips/cross64.h"
2199                 xm_defines=USG
2200                 xm_file="mips/xm-iris5.h"
2201                 xmake_file=mips/x-iris
2202                 tmake_file=mips/t-cross64
2203                 # See comment in mips/iris[56].h files.
2204                 use_collect2=yes
2205 #               if test x$enable_threads = xyes; then
2206 #                       thread_file='irix'
2207 #               fi
2208                 ;;
2209         mips-sni-sysv4)
2210                 if test x$gas = xyes
2211                 then
2212                         if test x$stabs = xyes
2213                         then
2214                                 tm_file=mips/iris5gdb.h
2215                         else
2216                                 tm_file="mips/sni-svr4.h mips/sni-gas.h"
2217                         fi
2218                 else
2219                         tm_file=mips/sni-svr4.h
2220                 fi
2221                 xm_defines=USG
2222                 xmake_file=mips/x-sni-svr4
2223                 tmake_file=mips/t-mips-gas
2224                 if test x$gnu_ld != xyes
2225                 then
2226                         use_collect2=yes
2227                 fi
2228                 ;;
2229         mips-sgi-irix5*)                # SGI System V.4., IRIX 5
2230                 if test x$gas = xyes
2231                 then
2232                         tm_file="mips/iris5.h mips/iris5gas.h"
2233                         if test x$stabs = xyes
2234                         then
2235                                 tm_file="${tm_file} dbx.h"
2236                         fi
2237                 else
2238                         tm_file=mips/iris5.h
2239                 fi
2240                 xm_defines=USG
2241                 xm_file="mips/xm-iris5.h"
2242                 xmake_file=mips/x-iris
2243                 # mips-tfile doesn't work yet
2244                 tmake_file=mips/t-mips-gas
2245                 # See comment in mips/iris5.h file.
2246                 use_collect2=yes
2247 #               if test x$enable_threads = xyes; then
2248 #                       thread_file='irix'
2249 #               fi
2250                 ;;
2251         mips-sgi-irix4loser*)           # Mostly like a MIPS.
2252                 tm_file="mips/iris4loser.h mips/iris3.h ${tm_file} mips/iris4.h"
2253                 if test x$stabs = xyes; then
2254                         tm_file="${tm_file} dbx.h"
2255                 fi
2256                 xm_defines=USG
2257                 xmake_file=mips/x-iris
2258                 if test x$gas = xyes
2259                 then
2260                         tmake_file=mips/t-mips-gas
2261                 else
2262                         extra_passes="mips-tfile mips-tdump"
2263                 fi
2264                 if test x$gnu_ld != xyes
2265                 then
2266                         use_collect2=yes
2267                 fi
2268 #               if test x$enable_threads = xyes; then
2269 #                       thread_file='irix'
2270 #               fi
2271                 ;;
2272         mips-sgi-irix4*)                # Mostly like a MIPS.
2273                 tm_file="mips/iris3.h ${tm_file} mips/iris4.h"
2274                 if test x$stabs = xyes; then
2275                         tm_file="${tm_file} dbx.h"
2276                 fi
2277                 xm_defines=USG
2278                 xmake_file=mips/x-iris
2279                 if test x$gas = xyes
2280                 then
2281                         tmake_file=mips/t-mips-gas
2282                 else
2283                         extra_passes="mips-tfile mips-tdump"
2284                 fi
2285                 if test x$gnu_ld != xyes
2286                 then
2287                         use_collect2=yes
2288                 fi
2289 #               if test x$enable_threads = xyes; then
2290 #                       thread_file='irix'
2291 #               fi
2292                 ;;
2293         mips-sgi-*)                     # Mostly like a MIPS.
2294                 tm_file="mips/iris3.h ${tm_file}"
2295                 if test x$stabs = xyes; then
2296                         tm_file="${tm_file} dbx.h"
2297                 fi
2298                 xm_defines=USG
2299                 xmake_file=mips/x-iris3
2300                 if test x$gas = xyes
2301                 then
2302                         tmake_file=mips/t-mips-gas
2303                 else
2304                         extra_passes="mips-tfile mips-tdump"
2305                 fi
2306                 if test x$gnu_ld != xyes
2307                 then
2308                         use_collect2=yes
2309                 fi
2310                 ;;
2311         mips-dec-osfrose*)              # Decstation running OSF/1 reference port with OSF/rose.
2312                 tm_file="mips/osfrose.h ${tm_file}"
2313                 xmake_file=mips/x-osfrose
2314                 tmake_file=mips/t-osfrose
2315                 extra_objs=halfpic.o
2316                 use_collect2=yes
2317                 ;;
2318         mips-dec-osf*)                  # Decstation running OSF/1 as shipped by DIGITAL
2319                 tm_file=mips/dec-osf1.h
2320                 if test x$stabs = xyes; then
2321                         tm_file="${tm_file} dbx.h"
2322                 fi
2323                 xmake_file=mips/x-dec-osf1
2324                 if test x$gas = xyes
2325                 then
2326                         tmake_file=mips/t-mips-gas
2327                 else
2328                         tmake_file=mips/t-ultrix
2329                         extra_passes="mips-tfile mips-tdump"
2330                 fi
2331                 if test x$gnu_ld != xyes
2332                 then
2333                         use_collect2=yes
2334                 fi
2335                 ;;
2336         mips-dec-bsd*)                  # Decstation running 4.4 BSD
2337               tm_file=mips/dec-bsd.h
2338               if test x$gas = xyes
2339               then
2340                         tmake_file=mips/t-mips-gas
2341               else
2342                         tmake_file=mips/t-ultrix
2343                         extra_passes="mips-tfile mips-tdump"
2344               fi
2345               if test x$gnu_ld != xyes
2346               then
2347                         use_collect2=yes
2348               fi
2349               ;;
2350         mipsel-*-netbsd* | mips-dec-netbsd*)    # Decstation running NetBSD
2351                 tm_file=mips/netbsd.h
2352                 # On NetBSD, the headers are already okay, except for math.h.
2353                 tmake_file=t-netbsd
2354                 ;;
2355        mips*-*-linux*)                         # Linux MIPS, either endian.
2356                 xmake_file=x-linux
2357                 xm_file="xm-siglist.h ${xm_file}"
2358                case $machine in
2359                        mipsel-*)  tm_file="mips/elfl.h mips/linux.h" ;;
2360                        *)         tm_file="mips/elf.h mips/linux.h" ;;
2361                esac
2362                 extra_parts="crtbegin.o crtend.o"
2363                 gnu_ld=yes
2364                 gas=yes
2365                 ;;
2366         mips*el-*-openbsd*)     # mips little endian
2367                 target_cpu_default="MASK_GAS|MASK_ABICALLS"
2368                 tm_file=mips/openbsd.h
2369                 ;;
2370         mips*-*-openbsd*)               # mips big endian
2371                 target_cpu_default="MASK_GAS|MASK_ABICALLS"
2372                 tm_file=mips/openbsd-be.h
2373                 ;;
2374         mips-sony-bsd* | mips-sony-newsos*)     # Sony NEWS 3600 or risc/news.
2375                 tm_file="mips/news4.h ${tm_file}"
2376                 if test x$stabs = xyes; then
2377                         tm_file="${tm_file} dbx.h"
2378                 fi
2379                 if test x$gas = xyes
2380                 then
2381                         tmake_file=mips/t-mips-gas
2382                 else
2383                         extra_passes="mips-tfile mips-tdump"
2384                 fi
2385                 if test x$gnu_ld != xyes
2386                 then
2387                         use_collect2=yes
2388                 fi
2389                 xmake_file=mips/x-sony
2390                 ;;
2391         mips-sony-sysv*)                # Sony NEWS 3800 with NEWSOS5.0.
2392                                         # That is based on svr4.
2393                 # t-svr4 is not right because this system doesn't use ELF.
2394                 tm_file="mips/news5.h ${tm_file}"
2395                 if test x$stabs = xyes; then
2396                         tm_file="${tm_file} dbx.h"
2397                 fi
2398                 xm_file="xm-siglist.h ${xm_file}"
2399                 xm_defines=USG
2400                 if test x$gas = xyes
2401                 then
2402                         tmake_file=mips/t-mips-gas
2403                 else
2404                         extra_passes="mips-tfile mips-tdump"
2405                 fi
2406                 if test x$gnu_ld != xyes
2407                 then
2408                         use_collect2=yes
2409                 fi
2410                 ;;
2411         mips-tandem-sysv4*)             # Tandem S2 running NonStop UX
2412                 tm_file="mips/svr4-5.h mips/svr4-t.h"
2413                 if test x$stabs = xyes; then
2414                         tm_file="${tm_file} dbx.h"
2415                 fi
2416                 xm_file="xm-siglist.h ${xm_file}"
2417                 xm_defines=USG
2418                 xmake_file=mips/x-sysv
2419                 if test x$gas = xyes
2420                 then
2421                         tmake_file=mips/t-mips-gas
2422                         extra_parts="crtbegin.o crtend.o"
2423                 else
2424                         tmake_file=mips/t-mips
2425                         extra_passes="mips-tfile mips-tdump"
2426                 fi
2427                 if test x$gnu_ld != xyes
2428                 then
2429                         use_collect2=yes
2430                 fi
2431                 ;;
2432         mips-*-ultrix* | mips-dec-mach3)        # Decstation.
2433                 tm_file="mips/ultrix.h ${tm_file}"
2434                 if test x$stabs = xyes; then
2435                         tm_file="${tm_file} dbx.h"
2436                 fi
2437                 xmake_file=mips/x-ultrix
2438                 if test x$gas = xyes
2439                 then
2440                         tmake_file=mips/t-mips-gas
2441                 else
2442                         tmake_file=mips/t-ultrix
2443                         extra_passes="mips-tfile mips-tdump"
2444                 fi
2445                 if test x$gnu_ld != xyes
2446                 then
2447                         use_collect2=yes
2448                 fi
2449                 ;;
2450 changequote(,)dnl
2451         mips-*-riscos[56789]bsd*)
2452 changequote([,])dnl
2453                 tm_file=mips/bsd-5.h    # MIPS BSD 4.3, RISC-OS 5.0
2454                 if test x$stabs = xyes; then
2455                         tm_file="${tm_file} dbx.h"
2456                 fi
2457                 if test x$gas = xyes
2458                 then
2459                         tmake_file=mips/t-bsd-gas
2460                 else
2461                         tmake_file=mips/t-bsd
2462                         extra_passes="mips-tfile mips-tdump"
2463                 fi
2464                 if test x$gnu_ld != xyes
2465                 then
2466                         use_collect2=yes
2467                 fi
2468                 ;;
2469 changequote(,)dnl
2470         mips-*-bsd* | mips-*-riscosbsd* | mips-*-riscos[1234]bsd*)
2471 changequote([,])dnl
2472                 tm_file="mips/bsd-4.h ${tm_file}" # MIPS BSD 4.3, RISC-OS 4.0
2473                 if test x$stabs = xyes; then
2474                         tm_file="${tm_file} dbx.h"
2475                 fi
2476                 if test x$gas = xyes
2477                 then
2478                         tmake_file=mips/t-bsd-gas
2479                 else
2480                         tmake_file=mips/t-bsd
2481                         extra_passes="mips-tfile mips-tdump"
2482                 fi
2483                 if test x$gnu_ld != xyes
2484                 then
2485                         use_collect2=yes
2486                 fi
2487                 ;;
2488 changequote(,)dnl
2489         mips-*-riscos[56789]sysv4*)
2490 changequote([,])dnl
2491                 tm_file=mips/svr4-5.h   # MIPS System V.4., RISC-OS 5.0
2492                 if test x$stabs = xyes; then
2493                         tm_file="${tm_file} dbx.h"
2494                 fi
2495                 xm_file="xm-siglist.h ${xm_file}"
2496                 xmake_file=mips/x-sysv
2497                 if test x$gas = xyes
2498                 then
2499                         tmake_file=mips/t-svr4-gas
2500                 else
2501                         tmake_file=mips/t-svr4
2502                         extra_passes="mips-tfile mips-tdump"
2503                 fi
2504                 if test x$gnu_ld != xyes
2505                 then
2506                         use_collect2=yes
2507                 fi
2508                 ;;
2509 changequote(,)dnl
2510         mips-*-sysv4* | mips-*-riscos[1234]sysv4* | mips-*-riscossysv4*)
2511 changequote([,])dnl
2512                 tm_file="mips/svr4-4.h ${tm_file}"
2513                 if test x$stabs = xyes; then
2514                         tm_file="${tm_file} dbx.h"
2515                 fi
2516                 xm_defines=USG
2517                 xmake_file=mips/x-sysv
2518                 if test x$gas = xyes
2519                 then
2520                         tmake_file=mips/t-svr4-gas
2521                 else
2522                         tmake_file=mips/t-svr4
2523                         extra_passes="mips-tfile mips-tdump"
2524                 fi
2525                 if test x$gnu_ld != xyes
2526                 then
2527                         use_collect2=yes
2528                 fi
2529                 ;;
2530 changequote(,)dnl
2531         mips-*-riscos[56789]sysv*)
2532 changequote([,])dnl
2533                 tm_file=mips/svr3-5.h   # MIPS System V.3, RISC-OS 5.0
2534                 if test x$stabs = xyes; then
2535                         tm_file="${tm_file} dbx.h"
2536                 fi
2537                 xm_defines=USG
2538                 xmake_file=mips/x-sysv
2539                 if test x$gas = xyes
2540                 then
2541                         tmake_file=mips/t-svr3-gas
2542                 else
2543                         tmake_file=mips/t-svr3
2544                         extra_passes="mips-tfile mips-tdump"
2545                 fi
2546                 if test x$gnu_ld != xyes
2547                 then
2548                         use_collect2=yes
2549                 fi
2550                 ;;
2551         mips-*-sysv* | mips-*-riscos*sysv*)
2552                 tm_file="mips/svr3-4.h ${tm_file}"
2553                 if test x$stabs = xyes; then
2554                         tm_file="${tm_file} dbx.h"
2555                 fi
2556                 xm_defines=USG
2557                 xmake_file=mips/x-sysv
2558                 if test x$gas = xyes
2559                 then
2560                         tmake_file=mips/t-svr3-gas
2561                 else
2562                         tmake_file=mips/t-svr3
2563                         extra_passes="mips-tfile mips-tdump"
2564                 fi
2565                 if test x$gnu_ld != xyes
2566                 then
2567                         use_collect2=yes
2568                 fi
2569                 ;;
2570 changequote(,)dnl
2571         mips-*-riscos[56789]*)          # Default MIPS RISC-OS 5.0.
2572 changequote([,])dnl
2573                 tm_file=mips/mips-5.h
2574                 if test x$stabs = xyes; then
2575                         tm_file="${tm_file} dbx.h"
2576                 fi
2577                 if test x$gas = xyes
2578                 then
2579                         tmake_file=mips/t-mips-gas
2580                 else
2581                         extra_passes="mips-tfile mips-tdump"
2582                 fi
2583                 if test x$gnu_ld != xyes
2584                 then
2585                         use_collect2=yes
2586                 fi
2587                 ;;
2588         mips-*-gnu*)
2589                 ;;
2590         mipsel-*-ecoff*)
2591                 tm_file=mips/ecoffl.h
2592                 if test x$stabs = xyes; then
2593                         tm_file="${tm_file} dbx.h"
2594                 fi
2595                 tmake_file=mips/t-ecoff
2596                 ;;
2597         mips-*-ecoff*)
2598                 tm_file="gofast.h mips/ecoff.h"
2599                 if test x$stabs = xyes; then
2600                         tm_file="${tm_file} dbx.h"
2601                 fi
2602                 tmake_file=mips/t-ecoff
2603                 ;;
2604         mipsel-*-elf*)
2605                 tm_file="mips/elfl.h libgloss.h"
2606                 tmake_file=mips/t-elf
2607                 ;;
2608         mips-*-elf*)
2609                 tm_file="mips/elf.h"
2610                 tmake_file=mips/t-elf
2611                 ;;
2612         mips64el-*-elf*)
2613                 tm_file="mips/elfl64.h"
2614                 tmake_file=mips/t-elf
2615                 ;;
2616         mips64orionel-*-elf*)
2617                 tm_file="mips/elforion.h mips/elfl64.h libgloss.h"
2618                 tmake_file=mips/t-elf
2619                 ;;
2620         mips64-*-elf*)
2621                 tm_file="mips/elf64.h"
2622                 tmake_file=mips/t-elf
2623                 ;;
2624         mips64orion-*-elf*)
2625                 tm_file="mips/elforion.h mips/elf64.h libgloss.h"
2626                 tmake_file=mips/t-elf
2627                 ;;
2628         mips64orion-*-rtems*)
2629                 tm_file="mips/elforion.h mips/elf64.h mips/rtems64.h"
2630                 tmake_file="mips/t-ecoff t-rtems"
2631                 ;;
2632         mipstx39el-*-elf*)
2633                 tm_file="mips/r3900.h mips/elfl.h mips/abi64.h"
2634                 tmake_file=mips/t-r3900
2635                 ;;
2636         mipstx39-*-elf*)
2637                 tm_file="mips/r3900.h mips/elf.h mips/abi64.h"
2638                 tmake_file=mips/t-r3900
2639                 ;;
2640         mips-*-*)                               # Default MIPS RISC-OS 4.0.
2641                 if test x$stabs = xyes; then
2642                         tm_file="${tm_file} dbx.h"
2643                 fi
2644                 if test x$gas = xyes
2645                 then
2646                         tmake_file=mips/t-mips-gas
2647                 else
2648                         extra_passes="mips-tfile mips-tdump"
2649                 fi
2650                 if test x$gnu_ld != xyes
2651                 then
2652                         use_collect2=yes
2653                 fi
2654                 ;;
2655         mn10200-*-*)
2656                 cpu_type=mn10200
2657                 tm_file="mn10200/mn10200.h"
2658                 if test x$stabs = xyes
2659                 then
2660                         tm_file="${tm_file} dbx.h"
2661                 fi
2662                 use_collect2=no
2663                 ;;
2664         mn10300-*-*)
2665                 cpu_type=mn10300
2666                 tm_file="mn10300/mn10300.h"
2667                 if test x$stabs = xyes
2668                 then
2669                         tm_file="${tm_file} dbx.h"
2670                 fi
2671                 use_collect2=no
2672                 ;;
2673         ns32k-encore-bsd*)
2674                 tm_file=ns32k/encore.h
2675                 use_collect2=yes
2676                 ;;
2677         ns32k-sequent-bsd*)
2678                 tm_file=ns32k/sequent.h
2679                 use_collect2=yes
2680                 ;;
2681         ns32k-tek6100-bsd*)
2682                 tm_file=ns32k/tek6100.h
2683                 use_collect2=yes
2684                 ;;
2685         ns32k-tek6200-bsd*)
2686                 tm_file=ns32k/tek6200.h
2687                 use_collect2=yes
2688                 ;;
2689 # This has not been updated to GCC 2.
2690 #       ns32k-ns-genix*)
2691 #               xm_defines=USG
2692 #               xmake_file=ns32k/x-genix
2693 #               tm_file=ns32k/genix.h
2694 #               use_collect2=yes
2695 #               ;;
2696         ns32k-merlin-*)
2697                 tm_file=ns32k/merlin.h
2698                 use_collect2=yes
2699                 ;;
2700         ns32k-pc532-mach*)
2701                 tm_file=ns32k/pc532-mach.h
2702                 use_collect2=yes
2703                 ;;
2704         ns32k-pc532-minix*)
2705                 tm_file=ns32k/pc532-min.h
2706                 xm_file="ns32k/xm-pc532-min.h ${xm-file}"
2707                 xm_defines=USG
2708                 use_collect2=yes
2709                 ;;
2710         ns32k-*-netbsd*)
2711                 tm_file=ns32k/netbsd.h
2712                 xm_file="ns32k/xm-netbsd.h ${xm_file}"
2713                 # On NetBSD, the headers are already okay, except for math.h.
2714                 tmake_file=t-netbsd
2715        use_collect2=yes
2716                 ;;
2717         pdp11-*-bsd)
2718                 tm_file="${tm_file} pdp11/2bsd.h"
2719                 ;;
2720         pdp11-*-*)
2721                 ;;
2722         ns32k-*-openbsd*)
2723                 # Nothing special
2724                 ;;
2725         pyramid-*-*)
2726                 cpu_type=pyr
2727                 xmake_file=pyr/x-pyr
2728                 use_collect2=yes
2729                 ;;
2730         romp-*-aos*)
2731                 use_collect2=yes
2732                 ;;
2733         romp-*-mach*)
2734                 xmake_file=romp/x-mach
2735                 use_collect2=yes
2736                 ;;
2737         romp-*-openbsd*)
2738                 # Nothing special
2739                 ;;
2740         powerpc-*-openbsd*)
2741                 tmake_file="${tmake_file} rs6000/t-rs6000 rs6000/t-openbsd"
2742                 ;;
2743         powerpc-*-beos*)
2744                 cpu_type=rs6000
2745                 tm_file=rs6000/beos.h
2746                 xm_file=rs6000/xm-beos.h
2747                 tmake_file=rs6000/t-beos
2748                 xmake_file=rs6000/x-beos
2749                 ;;
2750         powerpc-*-sysv* | powerpc-*-elf*)
2751                 tm_file=rs6000/sysv4.h
2752                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2753                 xm_defines="USG POSIX"
2754                 extra_headers=ppc-asm.h
2755                 if test x$gas = xyes
2756                 then
2757                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2758                 else
2759                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2760                 fi
2761                 xmake_file=rs6000/x-sysv4
2762                 ;;
2763         powerpc-*-eabiaix*)
2764                 tm_file=rs6000/eabiaix.h
2765                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2766                 extra_headers=ppc-asm.h
2767                 ;;
2768         powerpc-*-eabisim*)
2769                 tm_file=rs6000/eabisim.h
2770                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2771                 extra_headers=ppc-asm.h
2772                 ;;
2773         powerpc-*-eabi*)
2774                 tm_file=rs6000/eabi.h
2775                 if test x$gas = xyes
2776                 then
2777                         tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2778                 else
2779                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2780                 fi
2781                 extra_headers=ppc-asm.h
2782                 ;;
2783         powerpc-*-rtems*)
2784                 tm_file=rs6000/rtems.h
2785                 if test x$gas = xyes
2786                 then
2787                      tmake_file="rs6000/t-ppcgas t-rtems rs6000/t-ppccomm"
2788                 else
2789                      tmake_file="rs6000/t-ppc t-rtems rs6000/t-ppccomm"
2790                 fi
2791                 extra_headers=ppc-asm.h
2792                 ;;
2793         powerpc-*-linux-gnulibc1)
2794                 tm_file=rs6000/linux.h
2795                 xm_file=rs6000/xm-sysv4.h
2796                 out_file=rs6000/rs6000.c
2797                 if test x$gas = xyes
2798                 then
2799                         tmake_file="rs6000/t-ppcos t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
2800                 else
2801                         tmake_file="rs6000/t-ppc t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
2802                 fi
2803                 xmake_file=x-linux
2804                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2805                 extra_headers=ppc-asm.h
2806                 if test x$enable_threads = xyes; then
2807                         thread_file='posix'
2808                 fi
2809                 ;;
2810         powerpc-*-linux-gnu*)
2811                 tm_file=rs6000/linux.h
2812                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2813                 xm_defines="USG ${xm_defines}"
2814                 out_file=rs6000/rs6000.c
2815                 if test x$gas = xyes
2816                 then
2817                         tmake_file="rs6000/t-ppcos t-linux rs6000/t-ppccomm"
2818                 else
2819                         tmake_file="rs6000/t-ppc t-linux rs6000/t-ppccomm"
2820                 fi
2821                 xmake_file=x-linux
2822                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2823                 extra_headers=ppc-asm.h
2824                 if test x$enable_threads = xyes; then
2825                         thread_file='posix'
2826                 fi
2827                 ;;
2828         powerpc-wrs-vxworks*)
2829                 cpu_type=rs6000
2830                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2831                 xm_defines="USG POSIX"
2832                 tm_file=rs6000/vxppc.h
2833                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2834                 extra_headers=ppc-asm.h
2835                 thread_file='vxworks'
2836                 ;;
2837         powerpcle-*-sysv* | powerpcle-*-elf*)
2838                 tm_file=rs6000/sysv4le.h
2839                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2840                 xm_defines="USG POSIX"
2841                 if test x$gas = xyes
2842                 then
2843                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2844                 else
2845                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2846                 fi
2847                 xmake_file=rs6000/x-sysv4
2848                 extra_headers=ppc-asm.h
2849                 ;;
2850         powerpcle-*-eabisim*)
2851                 tm_file=rs6000/eabilesim.h
2852                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2853                 extra_headers=ppc-asm.h
2854                 ;;
2855         powerpcle-*-eabi*)
2856                 tm_file=rs6000/eabile.h
2857                 if test x$gas = xyes
2858                 then
2859                         tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2860                 else
2861                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2862                 fi
2863                 extra_headers=ppc-asm.h
2864                 ;;
2865         powerpcle-*-winnt* )
2866                 tm_file=rs6000/win-nt.h
2867                 tmake_file=rs6000/t-winnt
2868 #               extra_objs=pe.o
2869                 if test x$enable_threads = xyes; then
2870                         thread_file='win32'
2871                 fi
2872                 extra_headers=ppc-asm.h
2873                 ;;
2874         powerpcle-*-pe | powerpcle-*-cygwin*)
2875                 tm_file=rs6000/cygwin.h
2876                 xm_file="rs6000/xm-cygwin.h ${xm_file}"
2877                 tmake_file=rs6000/t-winnt
2878                 xmake_file=rs6000/x-cygwin
2879 #               extra_objs=pe.o
2880                 if test x$enable_threads = xyes; then
2881                         thread_file='win32'
2882                 fi
2883                 exeext=.exe
2884                 extra_headers=ppc-asm.h
2885                 ;;
2886         powerpcle-*-solaris2*)
2887                 tm_file=rs6000/sol2.h
2888                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2889                 xm_defines="USG POSIX"
2890                 if test x$gas = xyes
2891                 then
2892                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2893                 else
2894                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2895                 fi
2896                 xmake_file=rs6000/x-sysv4
2897                 extra_headers=ppc-asm.h
2898                 ;;
2899 changequote(,)dnl
2900         rs6000-ibm-aix3.[01]*)
2901 changequote([,])dnl
2902                 tm_file=rs6000/aix31.h
2903                 xmake_file=rs6000/x-aix31
2904                 float_format=none
2905                 use_collect2=yes
2906                 ;;
2907 changequote(,)dnl
2908         rs6000-ibm-aix3.2.[456789]* | powerpc-ibm-aix3.2.[456789]*)
2909 changequote([,])dnl
2910                 tm_file=rs6000/aix3newas.h
2911                 if test x$host != x$target
2912                 then
2913                         tmake_file=rs6000/t-xnewas
2914                 else
2915                         tmake_file=rs6000/t-newas
2916                 fi
2917                 float_format=none
2918                 use_collect2=yes
2919                 ;;
2920 changequote(,)dnl
2921         rs6000-ibm-aix4.[12]* | powerpc-ibm-aix4.[12]*)
2922 changequote([,])dnl
2923                 tm_file=rs6000/aix41.h
2924                 if test x$host != x$target
2925                 then
2926                         tmake_file=rs6000/t-xnewas
2927                 else
2928                         tmake_file=rs6000/t-newas
2929                 fi
2930                 if test "$gnu_ld" = yes
2931                 then
2932                         xmake_file=rs6000/x-aix41-gld
2933                 else
2934                         xmake_file=rx6000/x-aix41
2935                 fi
2936                 float_format=none
2937                 use_collect2=yes
2938                 ;;
2939 changequote(,)dnl
2940         rs6000-ibm-aix4.[3456789].* | powerpc-ibm-aix4.[3456789].*)
2941 changequote([,])dnl
2942                 tm_file=rs6000/aix43.h
2943                 if test x$host != x$target
2944                 then
2945                         tmake_file=rs6000/t-xaix43
2946                 else
2947                         tmake_file=rs6000/t-aix43
2948                 fi
2949                 xmake_file=rs6000/x-aix43
2950                 float_format=none
2951                 use_collect2=yes
2952                 ;;
2953 changequote(,)dnl
2954         rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
2955 changequote([,])dnl
2956                 tm_file=rs6000/aix43.h
2957                 if test x$host != x$target
2958                 then
2959                         tmake_file=rs6000/t-xaix43
2960                 else
2961                         tmake_file=rs6000/t-aix43
2962                 fi
2963                 xmake_file=rs6000/x-aix43
2964                 float_format=none
2965                 use_collect2=yes
2966                 ;;
2967         rs6000-ibm-aix*)
2968                 float_format=none
2969                 use_collect2=yes
2970                 ;;
2971         rs6000-bull-bosx)
2972                 float_format=none
2973                 use_collect2=yes
2974                 ;;
2975         rs6000-*-mach*)
2976                 tm_file=rs6000/mach.h
2977                 xm_file="${xm_file} rs6000/xm-mach.h"
2978                 xmake_file=rs6000/x-mach
2979                 use_collect2=yes
2980                 ;;
2981         rs6000-*-lynxos*)
2982                 tm_file=rs6000/lynx.h
2983                 xm_file=rs6000/xm-lynx.h
2984                 tmake_file=rs6000/t-rs6000
2985                 xmake_file=rs6000/x-lynx
2986                 use_collect2=yes
2987                 ;;
2988         sh-*-elf*)
2989                 tm_file=sh/elf.h
2990                 float_format=sh
2991                 ;;
2992         sh-*-rtemself*)
2993                 tmake_file="sh/t-sh t-rtems"
2994                 tm_file=sh/rtemself.h
2995                 float_format=sh
2996                 ;;
2997         sh-*-rtems*)
2998                 tmake_file="sh/t-sh t-rtems"
2999                 tm_file=sh/rtems.h
3000                 float_format=sh
3001                 ;;
3002         sh-*-*)
3003                 float_format=sh
3004                 ;;
3005         sparc-tti-*)
3006                 tm_file=sparc/pbd.h
3007                 xm_file="xm-alloca.h ${xm_file}"
3008                 xm_defines=USG
3009                 ;;
3010         sparc-wrs-vxworks* | sparclite-wrs-vxworks*)
3011                 tm_file=sparc/vxsparc.h
3012                 tmake_file=sparc/t-vxsparc
3013                 use_collect2=yes
3014                 thread_file='vxworks'
3015                 ;;
3016         sparc-*-aout*)
3017                 tmake_file=sparc/t-sparcbare
3018                 tm_file="sparc/aout.h libgloss.h"
3019                 ;;
3020         sparc-*-netbsd*)
3021                 tm_file=sparc/netbsd.h
3022                 tmake_file=t-netbsd
3023        use_collect2=yes
3024                 ;;
3025         sparc-*-openbsd*)
3026                 # we need collect2 until our bug is fixed...
3027                 use_collect2=yes
3028                 ;;
3029         sparc-*-bsd*)
3030                 tm_file=sparc/bsd.h
3031                 ;;
3032         sparc-*-elf*)
3033                 tm_file=sparc/elf.h
3034                 tmake_file=sparc/t-elf
3035                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
3036                 #float_format=i128
3037                 float_format=i64
3038                 ;;
3039         sparc-*-linux-gnuaout*)         # Sparc's running GNU/Linux, a.out
3040                 xm_file="${xm_file} sparc/xm-linux.h"
3041                 tm_file=sparc/linux-aout.h
3042                 xmake_file=x-linux
3043                 gnu_ld=yes
3044                 ;;
3045         sparc-*-linux-gnulibc1*)        # Sparc's running GNU/Linux, libc5
3046                 xm_file="${xm_file} sparc/xm-linux.h"
3047                 xmake_file=x-linux
3048                 tm_file=sparc/linux.h
3049                 tmake_file="t-linux t-linux-gnulibc1"
3050                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3051                 gnu_ld=yes
3052                 ;;
3053         sparc-*-linux-gnu*)             # Sparc's running GNU/Linux, libc6
3054                 xm_file="${xm_file} sparc/xm-linux.h"
3055                 xmake_file=x-linux
3056                 tm_file=sparc/linux.h
3057                 tmake_file="t-linux"
3058                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3059                 gnu_ld=yes
3060                 if test x$enable_threads = xyes; then
3061                         thread_file='posix'
3062                 fi
3063                 ;;
3064         sparc-*-lynxos*)
3065                 if test x$gas = xyes
3066                 then
3067                         tm_file=sparc/lynx.h
3068                 else
3069                         tm_file=sparc/lynx-ng.h
3070                 fi
3071                 xm_file=sparc/xm-lynx.h
3072                 tmake_file=sparc/t-sunos41
3073                 xmake_file=x-lynx
3074                 ;;
3075         sparc-*-rtems*)
3076                 tmake_file="sparc/t-sparcbare t-rtems"
3077                 tm_file=sparc/rtems.h
3078                 ;;
3079         sparcv9-*-solaris2*)
3080                 tm_file=sparc/sol2-sld-64.h
3081                 xm_file="sparc/xm-sysv4-64.h sparc/xm-sol2.h"
3082                 xm_defines="USG POSIX"
3083                 tmake_file="sparc/t-sol2 sparc/t-sol2-64"
3084                 xmake_file=sparc/x-sysv4
3085                 extra_parts="crt1.o crti.o crtn.o gcrt1.o crtbegin.o crtend.o"
3086                 float_format=none
3087                 if test x${enable_threads} = x ; then
3088                     enable_threads=$have_pthread_h
3089                     if test x${enable_threads} = x ; then
3090                         enable_threads=$have_thread_h
3091                     fi
3092                 fi
3093                 if test x${enable_threads} = xyes ; then
3094                     if test x${have_pthread_h} = xyes ; then
3095                         thread_file='posix'
3096                     else
3097                         thread_file='solaris'
3098                     fi
3099                 fi
3100                 ;;
3101         sparc-hal-solaris2*)
3102                 xm_file=sparc/xm-sol2.h
3103                 tm_file="sparc/sol2.h sparc/hal.h"
3104                 tmake_file="sparc/t-halos sparc/t-sol2"
3105                 xmake_file=sparc/x-sysv4
3106                 extra_parts="crt1.o crti.o crtn.o gmon.o crtbegin.o crtend.o"
3107                 broken_install=yes
3108                 ;;
3109         sparc-*-solaris2*)
3110                 if test x$gnu_ld = xyes
3111                 then
3112                         tm_file=sparc/sol2.h
3113                 else
3114                         tm_file=sparc/sol2-sld.h
3115                 fi
3116                 xm_file="xm-siglist.h sparc/xm-sysv4.h sparc/xm-sol2.h"
3117                 xm_defines="USG POSIX"
3118                 tmake_file=sparc/t-sol2
3119                 xmake_file=sparc/x-sysv4
3120                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
3121                 case $machine in
3122 changequote(,)dnl
3123                 *-*-solaris2.[0-4])
3124 changequote([,])dnl
3125                         float_format=i128
3126                         ;;
3127                 *)
3128                         float_format=none
3129                         ;;
3130                 esac
3131                 if test x${enable_threads} = x; then
3132                     enable_threads=$have_pthread_h
3133                     if test x${enable_threads} = x; then
3134                         enable_threads=$have_thread_h
3135                     fi
3136                 fi
3137                 if test x${enable_threads} = xyes; then
3138                     if test x${have_pthread_h} = xyes; then
3139                         thread_file='posix'
3140                     else
3141                         thread_file='solaris'
3142                     fi
3143                 fi
3144                 ;;
3145         sparc-*-sunos4.0*)
3146                 tm_file=sparc/sunos4.h
3147                 tmake_file=sparc/t-sunos40
3148                 use_collect2=yes
3149                 ;;
3150         sparc-*-sunos4*)
3151                 tm_file=sparc/sunos4.h
3152                 tmake_file=sparc/t-sunos41
3153                 use_collect2=yes
3154                 if test x$gas = xyes; then
3155                         tm_file="${tm_file} sparc/sun4gas.h"
3156                 fi
3157                 ;;
3158         sparc-*-sunos3*)
3159                 tm_file=sparc/sun4o3.h
3160                 use_collect2=yes
3161                 ;;
3162         sparc-*-sysv4*)
3163                 tm_file=sparc/sysv4.h
3164                 xm_file="xm-siglist.h sparc/xm-sysv4.h"
3165                 xm_defines="USG POSIX"
3166                 tmake_file=t-svr4
3167                 xmake_file=sparc/x-sysv4
3168                 extra_parts="crtbegin.o crtend.o"
3169                 ;;
3170         sparc-*-vxsim*)
3171                 xm_file="xm-siglist.h sparc/xm-sysv4.h sparc/xm-sol2.h"
3172                 xm_defines="USG POSIX"
3173                 tm_file=sparc/vxsim.h
3174                 tmake_file=sparc/t-vxsparc
3175                 xmake_file=sparc/x-sysv4
3176                 ;;
3177         sparclet-*-aout*)
3178                 tm_file="sparc/splet.h libgloss.h"
3179                 tmake_file=sparc/t-splet
3180                 ;;
3181         sparclite-*-coff*)
3182                 tm_file="sparc/litecoff.h libgloss.h"
3183                 tmake_file=sparc/t-sparclite
3184                 ;;
3185         sparclite-*-aout*)
3186                 tm_file="sparc/lite.h aoutos.h libgloss.h"
3187                 tmake_file=sparc/t-sparclite
3188                 ;;
3189         sparc64-*-aout*)
3190                 tmake_file=sparc/t-sp64
3191                 tm_file=sparc/sp64-aout.h
3192                 ;;
3193         sparc64-*-elf*)
3194                 tmake_file=sparc/t-sp64
3195                 tm_file=sparc/sp64-elf.h
3196                 extra_parts="crtbegin.o crtend.o"
3197                 ;;
3198         sparc64-*-linux*)               # 64-bit Sparc's running GNU/Linux
3199                 tmake_file="t-linux sparc/t-linux64"
3200                 xm_file="sparc/xm-sp64.h sparc/xm-linux.h"
3201                 tm_file=sparc/linux64.h
3202                 xmake_file=x-linux
3203                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3204                 gnu_ld=yes
3205                 ;;
3206 # This hasn't been upgraded to GCC 2.
3207 #       tahoe-harris-*)                 # Harris tahoe, using COFF.
3208 #               tm_file=tahoe/harris.h
3209 #               ;;
3210 #       tahoe-*-bsd*)                   # tahoe running BSD
3211 #               ;;
3212         thumb-*-coff* | thumbel-*-coff*)
3213                 tm_file=arm/tcoff.h
3214                 out_file=arm/thumb.c
3215                 xm_file=arm/xm-thumb.h
3216                 md_file=arm/thumb.md
3217                 tmake_file=arm/t-thumb
3218                 ;;
3219         thumb-wrs-vxworks)
3220                 tm_file=arm/tcoff.h
3221                 out_file=arm/thumb.c
3222                 xm_file=arm/xm-thumb.h
3223                 md_file=arm/thumb.md
3224                 tmake_file=arm/t-thumb
3225                 thread_file='vxworks'
3226                 ;;
3227 # This hasn't been upgraded to GCC 2.
3228 #       tron-*-*)
3229 #               cpu_type=gmicro
3230 #               use_collect2=yes
3231 #               ;;
3232         v850-*-*)
3233                 cpu_type=v850
3234                 tm_file="v850/v850.h"
3235                 xm_file="v850/xm-v850.h"
3236                 tmake_file=v850/t-v850
3237                 if test x$stabs = xyes
3238                 then
3239                         tm_file="${tm_file} dbx.h"
3240                 fi
3241                 use_collect2=no
3242                 ;;
3243         vax-*-bsd*)                     # vaxen running BSD
3244                 use_collect2=yes
3245                 float_format=vax
3246                 ;;
3247         vax-*-sysv*)                    # vaxen running system V
3248                 tm_file="${tm_file} vax/vaxv.h"
3249                 xm_defines=USG
3250                 float_format=vax
3251                 ;;
3252         vax-*-netbsd*)
3253                 tm_file="${tm_file} netbsd.h vax/netbsd.h"
3254                 tmake_file=t-netbsd
3255                 float_format=vax
3256        use_collect2=yes
3257                 ;;
3258         vax-*-openbsd*)
3259                 tmake_file="${tmake_file} vax/t-openbsd"
3260                 ;;
3261         vax-*-ultrix*)                  # vaxen running ultrix
3262                 tm_file="${tm_file} vax/ultrix.h"
3263                 use_collect2=yes
3264                 float_format=vax
3265                 ;;
3266         vax-*-vms*)                     # vaxen running VMS
3267                 xm_file=vax/xm-vms.h
3268                 tm_file=vax/vms.h
3269                 float_format=vax
3270                 ;;
3271         vax-*-*)                        # vax default entry
3272                 float_format=vax
3273                 ;;
3274         we32k-att-sysv*)
3275                 xm_file="${xm_file} xm-svr3"
3276                 use_collect2=yes
3277                 ;;
3278         *)
3279                 echo "Configuration $machine not supported" 1>&2
3280                 exit 1
3281                 ;;
3282         esac
3283
3284         case $machine in
3285         *-*-linux-gnu*)
3286                 ;; # Existing GNU/Linux systems do not use the GNU setup.
3287         *-*-gnu*)
3288                 # On the GNU system, the setup is just about the same on
3289                 # each different CPU.  The specific machines that GNU
3290                 # supports are matched above and just set $cpu_type.
3291                 xm_file="xm-gnu.h ${xm_file}"
3292                 tm_file=${cpu_type}/gnu.h
3293                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
3294                 # GNU always uses ELF.
3295                 elf=yes
3296                 # GNU tools are the only tools.
3297                 gnu_ld=yes
3298                 gas=yes
3299                 xmake_file=x-linux      # These details are the same as Linux.
3300                 tmake_file=t-gnu        # These are not.
3301                 ;;
3302         *-*-sysv4*)
3303                 xmake_try_sysv=x-sysv
3304                 install_headers_dir=install-headers-cpio
3305                 ;;
3306         *-*-sysv*)
3307                 install_headers_dir=install-headers-cpio
3308                 ;;
3309         esac
3310
3311         # Distinguish i[34567]86
3312         # Also, do not run mips-tfile on MIPS if using gas.
3313         # Process --with-cpu= for PowerPC/rs6000
3314         target_cpu_default2=
3315         case $machine in
3316         i486-*-*)
3317                 target_cpu_default2=1
3318                 ;;
3319         i586-*-*)
3320                 case $target_alias in
3321                         k6-*)
3322                                 target_cpu_default2=4
3323                                 ;;
3324                         *)
3325                                 target_cpu_default2=2
3326                                 ;;
3327                 esac
3328                 ;;
3329         i686-*-* | i786-*-*)
3330                 target_cpu_default2=3
3331                 ;;
3332         alpha*-*-*)
3333                 case $machine in
3334                         alphaev6*)
3335                                 target_cpu_default2="MASK_CPU_EV6|MASK_BWX|MASK_CIX|MASK_MAX"
3336                                 ;;
3337                         alphapca56*)
3338                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX|MASK_MAX"
3339                                 ;;
3340                         alphaev56*)
3341                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX"
3342                                 ;;
3343                         alphaev5*)
3344                                 target_cpu_default2="MASK_CPU_EV5"
3345                                 ;;
3346                 esac
3347
3348                 if test x$gas = xyes
3349                 then
3350                         if test "$target_cpu_default2" = ""
3351                         then
3352                                 target_cpu_default2="MASK_GAS"
3353                         else
3354                                 target_cpu_default2="${target_cpu_default2}|MASK_GAS"
3355                         fi
3356                 fi
3357                 ;;
3358         arm*-*-*)
3359                 case "x$with_cpu" in
3360                         x)
3361                                 # The most generic
3362                                 target_cpu_default2="TARGET_CPU_generic"
3363                                 ;;
3364
3365                         # Distinguish cores, and major variants
3366                         # arm7m doesn't exist, but D & I don't affect code
3367                         xarm[23678] | xarm250 | xarm[67][01]0 \
3368                         | xarm7m | xarm7dm | xarm7dmi | xarm7tdmi \
3369                         | xarm7100 | xarm7500 | xarm7500fe | xarm810 \
3370                         | xstrongarm | xstrongarm110 | xstrongarm1100)
3371                                 target_cpu_default2="TARGET_CPU_$with_cpu"
3372                                 ;;
3373
3374                         xyes | xno)
3375                                 echo "--with-cpu must be passed a value" 1>&2
3376                                 exit 1
3377                                 ;;
3378
3379                         *)
3380                                 if test x$pass2done = xyes
3381                                 then
3382                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3383                                         exit 1
3384                                 fi
3385                                 ;;
3386                 esac
3387                 ;;
3388
3389         mips*-*-ecoff* | mips*-*-elf*)
3390                 if test x$gas = xyes
3391                 then
3392                         if test x$gnu_ld = xyes
3393                         then
3394                                 target_cpu_default2=20
3395                         else
3396                                 target_cpu_default2=16
3397                         fi
3398                 fi
3399                 ;;
3400         mips*-*-*)
3401                 if test x$gas = xyes
3402                 then
3403                         target_cpu_default2=16
3404                 fi
3405                 ;;
3406         powerpc*-*-* | rs6000-*-*)
3407                 case "x$with_cpu" in
3408                         x)
3409                                 ;;
3410
3411                         xcommon | xpower | xpower2 | xpowerpc | xrios \
3412                           | xrios1 | xrios2 | xrsc | xrsc1 \
3413                           | x601 | x602 | x603 | x603e | x604 | x604e | x620 \
3414                           | xec603e | x740 | x750 | x401 \
3415                           | x403 | x505 | x801 | x821 | x823 | x860)
3416                                 target_cpu_default2="\"$with_cpu\""
3417                                 ;;
3418
3419                         xyes | xno)
3420                                 echo "--with-cpu must be passed a value" 1>&2
3421                                 exit 1
3422                                 ;;
3423
3424                         *)
3425                                 if test x$pass2done = xyes
3426                                 then
3427                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3428                                         exit 1
3429                                 fi
3430                                 ;;
3431                 esac
3432                 ;;
3433         sparc*-*-*)
3434                 case ".$with_cpu" in
3435                         .)
3436                                 target_cpu_default2=TARGET_CPU_"`echo $machine | sed 's/-.*$//'`"
3437                                 ;;
3438                         .supersparc | .hypersparc | .ultrasparc | .v7 | .v8 | .v9)
3439                                 target_cpu_default2="TARGET_CPU_$with_cpu"
3440                                 ;;
3441                         *)
3442                                 if test x$pass2done = xyes
3443                                 then
3444                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3445                                         exit 1
3446                                 fi
3447                                 ;;
3448                 esac
3449                 ;;
3450         esac
3451
3452         if test "$target_cpu_default2" != ""
3453         then
3454                 if test "$target_cpu_default" != ""
3455                 then
3456                         target_cpu_default="(${target_cpu_default}|${target_cpu_default2})"
3457                 else
3458                         target_cpu_default=$target_cpu_default2
3459                 fi
3460         fi
3461
3462         # No need for collect2 if we have the GNU linker.
3463         # Actually, there is now; GNU ld doesn't handle the EH info or
3464         # collecting for shared libraries.
3465         #case x$gnu_ld in
3466         #xyes)
3467         #       use_collect2=
3468         #       ;;
3469         #esac
3470
3471 # Save data on machine being used to compile GCC in build_xm_file.
3472 # Save data on host machine in vars host_xm_file and host_xmake_file.
3473         if test x$pass1done = x
3474         then
3475                 if test x"$xm_file" = x
3476                 then build_xm_file=$cpu_type/xm-$cpu_type.h
3477                 else build_xm_file=$xm_file
3478                 fi
3479                 build_xm_defines=$xm_defines
3480                 build_install_headers_dir=$install_headers_dir
3481                 build_exeext=$exeext
3482                 pass1done=yes
3483         else
3484                 if test x$pass2done = x
3485                 then
3486                         if test x"$xm_file" = x
3487                         then host_xm_file=$cpu_type/xm-$cpu_type.h
3488                         else host_xm_file=$xm_file
3489                         fi
3490                         host_xm_defines=$xm_defines
3491                         if test x"$xmake_file" = x
3492                         then xmake_file=$cpu_type/x-$cpu_type
3493                         fi
3494                         host_xmake_file="$xmake_file"
3495                         host_truncate_target=$truncate_target
3496                         host_extra_gcc_objs=$extra_gcc_objs
3497                         host_extra_objs=$extra_host_objs
3498                         host_exeext=$exeext
3499                         pass2done=yes
3500                 fi
3501         fi
3502 done
3503
3504 extra_objs="${host_extra_objs} ${extra_objs}"
3505
3506 # Default the target-machine variables that were not explicitly set.
3507 if test x"$tm_file" = x
3508 then tm_file=$cpu_type/$cpu_type.h; fi
3509
3510 if test x$extra_headers = x
3511 then extra_headers=; fi
3512
3513 if test x"$xm_file" = x
3514 then xm_file=$cpu_type/xm-$cpu_type.h; fi
3515
3516 if test x$md_file = x
3517 then md_file=$cpu_type/$cpu_type.md; fi
3518
3519 if test x$out_file = x
3520 then out_file=$cpu_type/$cpu_type.c; fi
3521
3522 if test x"$tmake_file" = x
3523 then tmake_file=$cpu_type/t-$cpu_type
3524 fi
3525
3526 if test x"$dwarf2" = xyes
3527 then tm_file="tm-dwarf2.h $tm_file"
3528 fi
3529
3530 if test x$float_format = x
3531 then float_format=i64
3532 fi
3533
3534 if test $float_format = none
3535 then float_h_file=Makefile.in
3536 else float_h_file=float-$float_format.h
3537 fi
3538
3539 if test x$enable_haifa = x
3540 then
3541   case $target in
3542     alpha*-* | hppa*-* | powerpc*-* | rs6000-* | *sparc*-* | m32r*-*)
3543       enable_haifa=yes;;
3544   esac
3545 fi
3546
3547 # Handle cpp installation.
3548 if test x$enable_cpp != xno
3549 then
3550   tmake_file="$tmake_file t-install-cpp"
3551 fi
3552
3553 # Say what files are being used for the output code and MD file.
3554 echo "Using \`$srcdir/config/$out_file' to output insns."
3555 echo "Using \`$srcdir/config/$md_file' as machine description file."
3556
3557 count=a
3558 for f in $tm_file; do
3559         count=${count}x
3560 done
3561 if test $count = ax; then
3562         echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
3563 else
3564         echo "Using the following target machine macro files:"
3565         for f in $tm_file; do
3566                 echo "  $srcdir/config/$f"
3567         done
3568 fi
3569
3570 count=a
3571 for f in $host_xm_file; do
3572         count=${count}x
3573 done
3574 if test $count = ax; then
3575         echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
3576 else
3577         echo "Using the following host machine macro files:"
3578         for f in $host_xm_file; do
3579                 echo "  $srcdir/config/$f"
3580         done
3581 fi
3582
3583 if test "$host_xm_file" != "$build_xm_file"; then
3584         count=a
3585         for f in $build_xm_file; do
3586                 count=${count}x
3587         done
3588         if test $count = ax; then
3589                 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
3590         else
3591                 echo "Using the following build machine macro files:"
3592                 for f in $build_xm_file; do
3593                         echo "  $srcdir/config/$f"
3594                 done
3595         fi
3596 fi
3597
3598 if test x$thread_file = x; then
3599         if test x$target_thread_file != x; then
3600                 thread_file=$target_thread_file
3601         else
3602                 thread_file='single'
3603         fi
3604 fi
3605
3606 # Set up the header files.
3607 # $links is the list of header files to create.
3608 # $vars is the list of shell variables with file names to include.
3609 # auto-host.h is the file containing items generated by autoconf and is
3610 # the first file included by config.h.
3611 null_defines=
3612 host_xm_file="auto-host.h gansidecl.h ${host_xm_file} hwint.h"
3613
3614 # If host=build, it is correct to have hconfig include auto-host.h
3615 # as well.  If host!=build, we are in error and need to do more
3616 # work to find out the build config parameters.
3617 if test x$host = x$build
3618 then
3619         build_xm_file="auto-host.h gansidecl.h ${build_xm_file} hwint.h"
3620 else
3621         # We create a subdir, then run autoconf in the subdir.
3622         # To prevent recursion we set host and build for the new
3623         # invocation of configure to the build for this invocation
3624         # of configure.
3625         tempdir=build.$$
3626         rm -rf $tempdir
3627         mkdir $tempdir
3628         cd $tempdir
3629         case ${srcdir} in
3630         /*) realsrcdir=${srcdir};;
3631         *) realsrcdir=../${srcdir};;
3632         esac
3633         CC=${CC_FOR_BUILD} ${realsrcdir}/configure \
3634                 --target=$target --host=$build --build=$build
3635
3636         # We just finished tests for the build machine, so rename
3637         # the file auto-build.h in the gcc directory.
3638         mv auto-host.h ../auto-build.h
3639         cd ..
3640         rm -rf $tempdir
3641         build_xm_file="auto-build.h gansidecl.h ${build_xm_file} hwint.h"
3642 fi
3643
3644 xm_file="gansidecl.h ${xm_file}"
3645 tm_file="gansidecl.h ${tm_file}"
3646
3647 vars="host_xm_file tm_file xm_file build_xm_file"
3648 links="config.h tm.h tconfig.h hconfig.h"
3649 defines="host_xm_defines null_defines xm_defines build_xm_defines"
3650
3651 rm -f config.bak
3652 if test -f config.status; then mv -f config.status config.bak; fi
3653
3654 # Make the links.
3655 while test -n "$vars"
3656 do
3657         set $vars; var=$1; shift; vars=$*
3658         set $links; link=$1; shift; links=$*
3659         set $defines; define=$1; shift; defines=$*
3660
3661         rm -f $link
3662
3663         # Define TARGET_CPU_DEFAULT if the system wants one.
3664         # This substitutes for lots of *.h files.
3665         if test "$target_cpu_default" != "" -a $link = tm.h
3666         then
3667                 echo "#define TARGET_CPU_DEFAULT ($target_cpu_default)" >>$link
3668         fi
3669
3670         for file in `eval echo '$'$var`; do
3671                 case $file in
3672                 auto-config.h)
3673                         ;;
3674                 *)
3675                         echo '#ifdef IN_GCC' >>$link
3676                         ;;
3677                 esac
3678                 echo "#include \"$file\"" >>$link
3679                 case $file in
3680                 auto-config.h)
3681                         ;;
3682                 *)
3683                         echo '#endif' >>$link
3684                         ;;
3685                 esac
3686         done
3687
3688         for def in `eval echo '$'$define`; do
3689                 echo "#ifndef $def" >>$link
3690                 echo "#define $def" >>$link
3691                 echo "#endif" >>$link
3692         done
3693 done
3694
3695 # Truncate the target if necessary
3696 if test x$host_truncate_target != x; then
3697         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
3698 fi
3699
3700 # Get the version trigger filename from the toplevel
3701 if test "${with_gcc_version_trigger+set}" = set; then
3702         gcc_version_trigger=$with_gcc_version_trigger
3703 else
3704         gcc_version_trigger=${srcdir}/version.c
3705 fi
3706 changequote(,)dnl
3707 gcc_version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${gcc_version_trigger}`
3708 changequote([,])dnl
3709
3710 # Internationalization
3711 PACKAGE=gcc
3712 VERSION="$gcc_version"
3713 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
3714 AC_DEFINE_UNQUOTED(VERSION, "$VERSION")
3715 AC_SUBST(PACKAGE)
3716 AC_SUBST(VERSION)
3717
3718 ALL_LINGUAS="en_UK"
3719
3720 # NLS support is still experimental, so disable it by default for now.
3721 AC_ARG_ENABLE(nls,
3722   [  --enable-nls            use Native Language Support (disabled by default)],
3723   , enable_nls=no)
3724
3725 AM_GNU_GETTEXT
3726 XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT"
3727
3728 # Get an absolute path to the GCC top-level source directory
3729 holddir=`pwd`
3730 cd $srcdir
3731 topdir=`pwd`
3732 cd $holddir
3733
3734 # Conditionalize the makefile for this host machine.
3735 # Make-host contains the concatenation of all host makefile fragments
3736 # [there can be more than one].  This file is built by configure.frag.
3737 host_overrides=Make-host
3738 dep_host_xmake_file=
3739 for f in .. ${host_xmake_file}
3740 do
3741         if test -f ${srcdir}/config/$f
3742         then
3743                 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
3744         fi
3745 done
3746
3747 # Conditionalize the makefile for this target machine.
3748 # Make-target contains the concatenation of all host makefile fragments
3749 # [there can be more than one].  This file is built by configure.frag.
3750 target_overrides=Make-target
3751 dep_tmake_file=
3752 for f in .. ${tmake_file}
3753 do
3754         if test -f ${srcdir}/config/$f
3755         then
3756                 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
3757         fi
3758 done
3759
3760 # If the host doesn't support symlinks, modify CC in
3761 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
3762 # Otherwise, we can use "CC=$(CC)".
3763 rm -f symtest.tem
3764 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
3765 then
3766         cc_set_by_configure="\$(CC)"
3767         quoted_cc_set_by_configure="\$(CC)"
3768         stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
3769 else
3770         rm -f symtest.tem
3771         if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
3772         then
3773                 symbolic_link="cp -p"
3774         else
3775                 symbolic_link="cp"
3776         fi
3777         cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
3778         quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
3779         stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
3780 fi
3781 rm -f symtest.tem
3782
3783 out_object_file=`basename $out_file .c`.o
3784
3785 tm_file_list=
3786 for f in $tm_file; do
3787   case $f in
3788     gansidecl.h )
3789        tm_file_list="${tm_file_list} $f" ;;
3790     *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
3791   esac
3792 done
3793
3794 host_xm_file_list=
3795 for f in $host_xm_file; do
3796   case $f in
3797     auto-host.h | gansidecl.h | hwint.h )
3798        host_xm_file_list="${host_xm_file_list} $f" ;;
3799     *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
3800   esac
3801 done
3802
3803 build_xm_file_list=
3804 for f in $build_xm_file; do
3805   case $f in
3806     auto-build.h | auto-host.h | gansidecl.h | hwint.h )
3807        build_xm_file_list="${build_xm_file_list} $f" ;;
3808     *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
3809   esac
3810 done
3811
3812 # Define macro CROSS_COMPILE in compilation
3813 # if this is a cross-compiler.
3814 # Also use all.cross instead of all.internal
3815 # and add cross-make to Makefile.
3816 cross_overrides="/dev/null"
3817 if test x$host != x$target
3818 then
3819         cross_defines="CROSS=-DCROSS_COMPILE"
3820         cross_overrides="${topdir}/cross-make"
3821 fi
3822
3823 # When building gcc with a cross-compiler, we need to fix a few things.
3824 # This must come after cross-make as we want all.build to override
3825 # all.cross.
3826 build_overrides="/dev/null"
3827 if test x$build != x$host
3828 then
3829         build_overrides="${topdir}/build-make"
3830 fi
3831
3832 # Expand extra_headers to include complete path.
3833 # This substitutes for lots of t-* files.
3834 extra_headers_list=
3835 if test "x$extra_headers" = x
3836 then true
3837 else
3838         # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
3839         for file in $extra_headers;
3840         do
3841                 extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
3842         done
3843 fi
3844
3845 if test x$use_collect2 = xno; then
3846         use_collect2=
3847 fi
3848
3849 # Add a definition of USE_COLLECT2 if system wants one.
3850 # Also tell toplev.c what to do.
3851 # This substitutes for lots of t-* files.
3852 if test x$use_collect2 = x
3853 then
3854         will_use_collect2=
3855         maybe_use_collect2=
3856 else
3857         will_use_collect2="collect2"
3858         maybe_use_collect2="-DUSE_COLLECT2"
3859 fi
3860
3861 # NEED TO CONVERT
3862 # Set MD_DEPS if the real md file is in md.pre-cpp.
3863 # Set MD_CPP to the cpp to pass the md file through.  Md files use ';'
3864 # for line oriented comments, so we must always use a GNU cpp.  If
3865 # building gcc with a cross compiler, use the cross compiler just
3866 # built.  Otherwise, we can use the cpp just built.
3867 md_file_sub=
3868 if test "x$md_cppflags" = x
3869 then
3870         md_file_sub=$srcdir/config/$md_file
3871 else
3872         md_file=md
3873 fi
3874
3875 # If we have gas in the build tree, make a link to it.
3876 if test -f ../gas/Makefile; then
3877         rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
3878 fi
3879
3880 # If we have nm in the build tree, make a link to it.
3881 if test -f ../binutils/Makefile; then
3882         rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
3883 fi
3884
3885 # If we have ld in the build tree, make a link to it.
3886 if test -f ../ld/Makefile; then
3887 #       if test x$use_collect2 = x; then
3888 #               rm -f ld; $symbolic_link ../ld/ld-new$host_exeext ld$host_exeext 2>/dev/null
3889 #       else
3890                 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
3891 #       fi
3892 fi
3893
3894 # Figure out what assembler alignment features are present.
3895 AC_MSG_CHECKING(assembler alignment features)
3896 gcc_cv_as=
3897 gcc_cv_as_alignment_features=
3898 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
3899 if test -x "$DEFAULT_ASSEMBLER"; then
3900         gcc_cv_as="$DEFAULT_ASSEMBLER"
3901 elif test -x "$AS"; then
3902         gcc_cv_as="$AS"
3903 elif test -x as$host_exeext; then
3904         # Build using assembler in the current directory.
3905         gcc_cv_as=./as$host_exeext
3906 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
3907         # Single tree build which includes gas.
3908         for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
3909         do
3910 changequote(,)dnl
3911                 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
3912 changequote([,])dnl
3913                 if test x$gcc_cv_gas_version != x; then
3914                         break
3915                 fi
3916         done
3917 changequote(,)dnl
3918         gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
3919         gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
3920 changequote([,])dnl
3921         if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
3922                 # Gas version 2.6 and later support for .balign and .p2align.
3923                 # bytes to skip when using .p2align.
3924                 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
3925                         gcc_cv_as_alignment_features=".balign and .p2align"
3926                         AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
3927                 fi
3928                 # Gas version 2.8 and later support specifying the maximum
3929                 # bytes to skip when using .p2align.
3930                 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
3931                         gcc_cv_as_alignment_features=".p2align including maximum skip"
3932                         AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
3933                 fi
3934         fi
3935 elif test x$host = x$target; then
3936         # Native build.
3937         gcc_cv_as=as$host_exeext
3938 fi
3939 if test x$gcc_cv_as != x; then
3940         # Check if we have .balign and .p2align
3941         echo ".balign  4" > conftest.s
3942         echo ".p2align  2" >> conftest.s
3943         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
3944                 gcc_cv_as_alignment_features=".balign and .p2align"
3945                 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
3946         fi
3947         rm -f conftest.s conftest.o
3948         # Check if specifying the maximum bytes to skip when
3949         # using .p2align is supported.
3950         echo ".p2align 4,,7" > conftest.s
3951         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
3952                 gcc_cv_as_alignment_features=".p2align including maximum skip"
3953                 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
3954         fi
3955         rm -f conftest.s conftest.o
3956 fi
3957 AC_MSG_RESULT($gcc_cv_as_alignment_features)
3958
3959 AC_MSG_CHECKING(assembler subsection support)
3960 gcc_cv_as_subsections=
3961 if test x$gcc_cv_as != x; then
3962         # Check if we have .subsection
3963         echo ".subsection 1" > conftest.s
3964         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
3965                 gcc_cv_as_subsections=".subsection"
3966                 if test -x nm$host_exeext; then
3967                         gcc_cv_nm=./nm$host_exeext
3968                 elif test x$host = x$target; then
3969                         # Native build.
3970                         gcc_cv_nm=nm$host_exeext
3971                 fi
3972                 if test x$gcc_cv_nm != x; then
3973                         cat > conftest.s <<EOF
3974 conftest_label1: .word 0
3975 .subsection -1
3976 conftest_label2: .word 0
3977 .previous
3978 EOF
3979                         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
3980                                 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
3981                                 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
3982                                 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
3983                                         :
3984                                 else
3985                                         gcc_cv_as_subsections="working .subsection -1"
3986                                         AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING)
3987                                 fi
3988                         fi
3989                 fi
3990         fi
3991         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
3992 fi
3993 AC_MSG_RESULT($gcc_cv_as_subsections)
3994
3995 AC_MSG_CHECKING(assembler instructions)
3996 gcc_cv_as_instructions=
3997 if test x$gcc_cv_as != x; then
3998         set "filds fists" "filds mem; fists mem"
3999         while test $# -gt 0
4000         do
4001                 echo "$2" > conftest.s
4002                 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4003                         gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
4004                         AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$1" | tr '[a-z ]' '[A-Z_]'`)
4005                 fi
4006                 shift 2
4007         done
4008         rm -f conftest.s conftest.o
4009 fi
4010 AC_MSG_RESULT($gcc_cv_as_instructions)
4011
4012 # Figure out what language subdirectories are present.
4013 # Look if the user specified --enable-languages="..."; if not, use
4014 # the environment variable $LANGUAGES if defined. $LANGUAGES might
4015 # go away some day.
4016 if test x"${enable_languages+set}" != xset; then
4017         if test x"${LANGUAGES+set}" = xset; then
4018                 enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
4019         else
4020                 enable_languages=all
4021         fi
4022 fi
4023 subdirs=
4024 for lang in ${srcdir}/*/config-lang.in ..
4025 do
4026         case $lang in
4027         ..) ;;
4028         # The odd quoting in the next line works around
4029         # an apparent bug in bash 1.12 on linux.
4030 changequote(,)dnl
4031         ${srcdir}/[*]/config-lang.in) ;;
4032         *)
4033           lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
4034           if test "x$lang_alias" = x
4035           then
4036                 echo "$lang doesn't set \$language." 1>&2
4037                 exit 1
4038           fi
4039           if test x"${enable_languages}" = xall; then
4040                 add_this_lang=yes
4041           else
4042                 case "${enable_languages}" in
4043                     ${lang_alias} | "${lang_alias},"* | *",${lang_alias},"* | *",${lang_alias}" )
4044                         add_this_lang=yes
4045                         ;;
4046                     * )
4047                         add_this_lang=no
4048                         ;;
4049                 esac
4050           fi
4051           if test x"${add_this_lang}" = xyes; then
4052                 case $lang in
4053                     ${srcdir}/ada/config-lang.in)
4054                         if test x$gnat = xyes ; then
4055                                 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
4056                         fi
4057                         ;;
4058                     *)
4059                         subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
4060                         ;;
4061                 esac
4062           fi
4063           ;;
4064 changequote([,])dnl
4065         esac
4066 done
4067
4068 # Make gthr-default.h if we have a thread file.
4069 gthread_flags=
4070 if test $thread_file != single; then
4071     rm -f gthr-default.h
4072     echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
4073     gthread_flags=-DHAVE_GTHR_DEFAULT
4074 fi
4075 AC_SUBST(gthread_flags)
4076
4077 # Make empty files to contain the specs and options for each language.
4078 # Then add #include lines to for a compiler that has specs and/or options.
4079
4080 lang_specs_files=
4081 lang_options_files=
4082 lang_tree_files=
4083 rm -f specs.h options.h gencheck.h
4084 touch specs.h options.h gencheck.h
4085 for subdir in . $subdirs
4086 do
4087         if test -f $srcdir/$subdir/lang-specs.h; then
4088                 echo "#include \"$subdir/lang-specs.h\"" >>specs.h
4089                 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
4090         fi
4091         if test -f $srcdir/$subdir/lang-options.h; then
4092                 echo "#include \"$subdir/lang-options.h\"" >>options.h
4093                 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
4094         fi
4095         if test -f $srcdir/$subdir/$subdir-tree.def; then
4096                 echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h
4097                 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
4098         fi
4099 done
4100
4101 # These (without "all_") are set in each config-lang.in.
4102 # `language' must be a single word so is spelled singularly.
4103 all_languages=
4104 all_boot_languages=
4105 all_compilers=
4106 all_stagestuff=
4107 all_diff_excludes=
4108 all_outputs='Makefile intl/Makefile po/Makefile.in fixinc/Makefile'
4109 # List of language makefile fragments.
4110 all_lang_makefiles=
4111 all_headers=
4112 all_lib2funcs=
4113
4114 # Add the language fragments.
4115 # Languages are added via two mechanisms.  Some information must be
4116 # recorded in makefile variables, these are defined in config-lang.in.
4117 # We accumulate them and plug them into the main Makefile.
4118 # The other mechanism is a set of hooks for each of the main targets
4119 # like `clean', `install', etc.
4120
4121 language_fragments="Make-lang"
4122 language_hooks="Make-hooks"
4123 oldstyle_subdirs=
4124
4125 for s in .. $subdirs
4126 do
4127         if test $s != ".."
4128         then
4129                 language=
4130                 boot_language=
4131                 compilers=
4132                 stagestuff=
4133                 diff_excludes=
4134                 headers=
4135                 outputs=
4136                 lib2funcs=
4137                 . ${srcdir}/$s/config-lang.in
4138                 if test "x$language" = x
4139                 then
4140                         echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
4141                         exit 1
4142                 fi
4143                 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in ${srcdir}/$s/Makefile.in"
4144                 all_languages="$all_languages $language"
4145                 if test "x$boot_language" = xyes
4146                 then
4147                         all_boot_languages="$all_boot_languages $language"
4148                 fi
4149                 all_compilers="$all_compilers $compilers"
4150                 all_stagestuff="$all_stagestuff $stagestuff"
4151                 all_diff_excludes="$all_diff_excludes $diff_excludes"
4152                 all_headers="$all_headers $headers"
4153                 all_outputs="$all_outputs $outputs"
4154                 if test x$outputs = x
4155                 then
4156                         oldstyle_subdirs="$oldstyle_subdirs $s"
4157                 fi
4158                 all_lib2funcs="$all_lib2funcs $lib2funcs"
4159         fi
4160 done
4161
4162 # Since we can't use `::' targets, we link each language in
4163 # with a set of hooks, reached indirectly via lang.${target}.
4164
4165 rm -f Make-hooks
4166 touch Make-hooks
4167 target_list="all.build all.cross start.encap rest.encap \
4168         info dvi \
4169         install-normal install-common install-info install-man \
4170         uninstall distdir \
4171         mostlyclean clean distclean extraclean maintainer-clean \
4172         stage1 stage2 stage3 stage4"
4173 for t in $target_list
4174 do
4175         x=
4176         for lang in .. $all_languages
4177         do
4178                 if test $lang != ".."; then
4179                         x="$x $lang.$t"
4180                 fi
4181         done
4182         echo "lang.$t: $x" >> Make-hooks
4183 done
4184
4185 # If we're not building in srcdir, create .gdbinit.
4186
4187 if test ! -f Makefile.in; then
4188         echo "dir ." > .gdbinit
4189         echo "dir ${srcdir}" >> .gdbinit
4190         if test x$gdb_needs_out_file_path = xyes
4191         then
4192                 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
4193         fi
4194         if test "x$subdirs" != x; then
4195                 for s in $subdirs
4196                 do
4197                         echo "dir ${srcdir}/$s" >> .gdbinit
4198                 done
4199         fi
4200         echo "source ${srcdir}/.gdbinit" >> .gdbinit
4201 fi
4202
4203 # Define variables host_canonical and build_canonical
4204 # because some Cygnus local changes in the Makefile depend on them.
4205 build_canonical=${build}
4206 host_canonical=${host}
4207 target_subdir=
4208 if test "${host}" != "${target}" ; then
4209     target_subdir=${target}/
4210 fi
4211 AC_SUBST(build_canonical)
4212 AC_SUBST(host_canonical)
4213 AC_SUBST(target_subdir)
4214
4215 # If this is using newlib, then define inhibit_libc in
4216 # LIBGCC2_CFLAGS.  This will cause __eprintf to be left out of
4217 # libgcc.a, but that's OK because newib should have its own version of
4218 # assert.h.
4219 inhibit_libc=
4220 if test x$with_newlib = xyes; then
4221         inhibit_libc=-Dinhibit_libc
4222 fi
4223 AC_SUBST(inhibit_libc)
4224
4225 # Override SCHED_OBJ and SCHED_CFLAGS to enable the Haifa scheduler.
4226 sched_prefix=
4227 sched_cflags=
4228 if test x$enable_haifa = xyes; then
4229     echo "Using the Haifa scheduler."
4230     sched_prefix=haifa-
4231     sched_cflags=-DHAIFA
4232 fi
4233 AC_SUBST(sched_prefix)
4234 AC_SUBST(sched_cflags)
4235 if test x$enable_haifa != x; then
4236     # Explicitly remove files that need to be recompiled for the Haifa scheduler.
4237     for x in genattrtab.o toplev.o *sched.o; do
4238         if test -f $x; then
4239             echo "Removing $x"
4240             rm -f $x
4241         fi
4242     done
4243 fi
4244
4245 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
4246 # absolute path for gcc_tooldir based on inserting the number of up-directory
4247 # movements required to get from $(exec_prefix) to $(prefix) into the basic
4248 # $(libsubdir)/@(unlibsubdir) based path.
4249 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
4250 # make and thus we'd get different behavior depending on where we built the
4251 # sources.
4252 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
4253     gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
4254 else
4255 changequote(<<, >>)dnl
4256 # An explanation of the sed strings:
4257 #  -e 's|^\$(prefix)||'   matches and eliminates 'prefix' from 'exec_prefix'
4258 #  -e 's|/$||'            match a trailing forward slash and eliminates it
4259 #  -e 's|^[^/]|/|'        forces the string to start with a forward slash (*)
4260 #  -e 's|/[^/]*|../|g'    replaces each occurance of /<directory> with ../
4261 #
4262 # (*) Note this pattern overwrites the first character of the string
4263 # with a forward slash if one is not already present.  This is not a
4264 # problem because the exact names of the sub-directories concerned is
4265 # unimportant, just the number of them matters.
4266 #
4267 # The practical upshot of these patterns is like this:
4268 #
4269 #  prefix     exec_prefix        result
4270 #  ------     -----------        ------
4271 #   /foo        /foo/bar          ../
4272 #   /foo/       /foo/bar          ../
4273 #   /foo        /foo/bar/         ../
4274 #   /foo/       /foo/bar/         ../
4275 #   /foo        /foo/bar/ugg      ../../
4276 #
4277     dollar='$$'
4278     gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
4279 changequote([, ])dnl
4280 fi
4281 AC_SUBST(gcc_tooldir)
4282 AC_SUBST(dollar)
4283
4284 # Nothing to do for FLOAT_H, float_format already handled.
4285 objdir=`pwd`
4286 AC_SUBST(objdir)
4287
4288 # Process the language and host/target makefile fragments.
4289 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
4290
4291 # Substitute configuration variables
4292 AC_SUBST(subdirs)
4293 AC_SUBST(all_boot_languages)
4294 AC_SUBST(all_compilers)
4295 AC_SUBST(all_diff_excludes)
4296 AC_SUBST(all_headers)
4297 AC_SUBST(all_lang_makefiles)
4298 AC_SUBST(all_languages)
4299 AC_SUBST(all_lib2funcs)
4300 AC_SUBST(all_stagestuff)
4301 AC_SUBST(build_exeext)
4302 AC_SUBST(build_install_headers_dir)
4303 AC_SUBST(build_xm_file_list)
4304 AC_SUBST(cc_set_by_configure)
4305 AC_SUBST(quoted_cc_set_by_configure)
4306 AC_SUBST(cpp_install_dir)
4307 AC_SUBST(cpp_main)
4308 AC_SUBST(dep_host_xmake_file)
4309 AC_SUBST(dep_tmake_file)
4310 AC_SUBST(extra_c_flags)
4311 AC_SUBST(extra_c_objs)
4312 AC_SUBST(extra_cpp_objs)
4313 AC_SUBST(extra_cxx_objs)
4314 AC_SUBST(extra_headers_list)
4315 AC_SUBST(extra_objs)
4316 AC_SUBST(extra_parts)
4317 AC_SUBST(extra_passes)
4318 AC_SUBST(extra_programs)
4319 AC_SUBST(fixinc_defs)
4320 AC_SUBST(float_h_file)
4321 AC_SUBST(gcc_gxx_include_dir)
4322 AC_SUBST(gcc_version)
4323 AC_SUBST(gcc_version_trigger)
4324 AC_SUBST(host_exeext)
4325 AC_SUBST(host_extra_gcc_objs)
4326 AC_SUBST(host_xm_file_list)
4327 AC_SUBST(install)
4328 AC_SUBST(JAVAGC)
4329 AC_SUBST(lang_options_files)
4330 AC_SUBST(lang_specs_files)
4331 AC_SUBST(lang_tree_files)
4332 AC_SUBST(local_prefix)
4333 AC_SUBST(maybe_use_collect2)
4334 AC_SUBST(md_file)
4335 AC_SUBST(objc_boehm_gc)
4336 AC_SUBST(out_file)
4337 AC_SUBST(out_object_file)
4338 AC_SUBST(stage_prefix_set_by_configure)
4339 AC_SUBST(symbolic_link)
4340 AC_SUBST(thread_file)
4341 AC_SUBST(tm_file_list)
4342 AC_SUBST(will_use_collect2)
4343
4344
4345 AC_SUBST_FILE(target_overrides)
4346 AC_SUBST_FILE(host_overrides)
4347 AC_SUBST(cross_defines)
4348 AC_SUBST_FILE(cross_overrides)
4349 AC_SUBST_FILE(build_overrides)
4350 AC_SUBST_FILE(language_fragments)
4351 AC_SUBST_FILE(language_hooks)
4352
4353 # Echo that links are built
4354 if test x$host = x$target
4355 then
4356         str1="native "
4357 else
4358         str1="cross-"
4359         str2=" from $host"
4360 fi
4361
4362 if test x$host != x$build
4363 then
4364         str3=" on a $build system"
4365 fi
4366
4367 if test "x$str2" != x || test "x$str3" != x
4368 then
4369         str4=
4370 fi
4371
4372 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
4373
4374 if test "x$str2" != x || test "x$str3" != x
4375 then
4376         echo " ${str2}${str3}." 1>&2
4377 fi
4378
4379 # Truncate the target if necessary
4380 if test x$host_truncate_target != x; then
4381         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
4382 fi
4383
4384 # Configure the subdirectories
4385 # AC_CONFIG_SUBDIRS($subdirs)
4386
4387 # Create the Makefile
4388 # and configure language subdirectories
4389 AC_OUTPUT($all_outputs,
4390 [
4391 . $srcdir/configure.lang
4392 case x$CONFIG_HEADERS in
4393 xauto-host.h:config.in)
4394 echo > cstamp-h ;;
4395 esac
4396 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
4397 # bootstrapping and the installation procedure can still use
4398 # CC="stage1/xgcc -Bstage1/".  If the host doesn't support symlinks,
4399 # FLAGS_TO_PASS has been modified to solve the problem there.
4400 # This is virtually a duplicate of what happens in configure.lang; we do
4401 # an extra check to make sure this only happens if ln -s can be used.
4402 if test "$symbolic_link" = "ln -s"; then
4403  for d in .. ${subdirs} ; do
4404    if test $d != ..; then
4405         STARTDIR=`pwd`
4406         cd $d
4407         for t in stage1 stage2 stage3 stage4 include
4408         do
4409                 rm -f $t
4410                 $symbolic_link ../$t $t 2>/dev/null
4411         done
4412         cd $STARTDIR
4413    fi
4414  done
4415 else true ; fi
4416 # Avoid having to add intl to our include paths.
4417 if test -f intl/libintl.h; then
4418   echo creating libintl.h
4419   echo '#include "intl/libintl.h"' >libintl.h
4420 fi
4421 ],
4422 [
4423 host='${host}'
4424 build='${build}'
4425 target='${target}'
4426 target_alias='${target_alias}'
4427 srcdir='${srcdir}'
4428 subdirs='${subdirs}'
4429 oldstyle_subdirs='${oldstyle_subdirs}'
4430 symbolic_link='${symbolic_link}'
4431 program_transform_set='${program_transform_set}'
4432 program_transform_name='${program_transform_name}'
4433 dep_host_xmake_file='${dep_host_xmake_file}'
4434 host_xmake_file='${host_xmake_file}'
4435 dep_tmake_file='${dep_tmake_file}'
4436 tmake_file='${tmake_file}'
4437 thread_file='${thread_file}'
4438 gcc_version='${gcc_version}'
4439 gcc_version_trigger='${gcc_version_trigger}'
4440 local_prefix='${local_prefix}'
4441 build_install_headers_dir='${build_install_headers_dir}'
4442 build_exeext='${build_exeext}'
4443 host_exeext='${host_exeext}'
4444 out_file='${out_file}'
4445 gdb_needs_out_file_path='${gdb_needs_out_file_path}'
4446 SET_MAKE='${SET_MAKE}'
4447 target_list='${target_list}'
4448 target_overrides='${target_overrides}'
4449 host_overrides='${host_overrides}'
4450 cross_defines='${cross_defines}'
4451 cross_overrides='${cross_overrides}'
4452 build_overrides='${build_overrides}'
4453 cpp_install_dir='${cpp_install_dir}'
4454 ])