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 gcc. Please change the environment variable
  57 *** and run configure again.])
  58 fi
  59
  60 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
  61 # since this would lead to problems installing/building glibc.
  62 # GCC_EXEC_PREFIX contains the current directory if one of the following
  63 # is true:
  64 # - one of the terminals (":" and ";") is the first or last sign
  65 # - two terminals occur directly after each other
  66 # - the path contains an element with a dot in it
  67 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
  68 changequote(,)dnl
  69 case ${GCC_EXEC_PREFIX} in
  70   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
  71     gcc_exec_prefix_setting="contains current directory"
  72     ;;
  73   *)
  74     gcc_exec_prefix_setting="ok"
  75     ;;
  76 esac
  77 changequote([,])dnl
  78 AC_MSG_RESULT($gcc_exec_prefix_setting)
  79 if test "$gcc_exec_prefix_setting" != "ok"; then
  80 AC_MSG_ERROR([
  81 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
  82 *** building gcc. Please change the environment variable
  83 *** and run configure again.])
  84 fi
  85
  86 # Check for additional parameters
  87
  88 # With GNU ld
  89 AC_ARG_WITH(gnu-ld,
  90 [  --with-gnu-ld           arrange to work with GNU ld.],
  91 gnu_ld_flag="$with_gnu_ld",
  92 gnu_ld_flag=no)
  93
  94 # With pre-defined ld
  95 AC_ARG_WITH(ld,
  96 [  --with-ld               arrange to use the specified ld (full pathname).],
  97 DEFAULT_LINKER="$with_ld")
  98 if test x"${DEFAULT_LINKER+set}" = x"set"; then
  99   if test ! -x "$DEFAULT_LINKER"; then
 100     AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
 101   elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
 102     gnu_ld_flag=yes
 103   fi
 104   AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER")
 105 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$enable_objc_gc = xno ]]]; then
 277         objc_boehm_gc=''
 278 else
 279         objc_boehm_gc=1
 280 fi,
 281 objc_boehm_gc='')
 282
 283 AC_ARG_WITH(dwarf2,
 284 [  --enable-dwarf2        enable DWARF2 debugging as default.],
 285 dwarf2="$with_dwarf2",
 286 dwarf2=no)
 287
 288 # Determine the host, build, and target systems
 289 AC_CANONICAL_SYSTEM
 290
 291 # Find the native compiler
 292 AC_PROG_CC
 293
 294 # If the native compiler is GCC, we can enable warnings even in stage1.
 295 # That's useful for people building cross-compilers, or just running a
 296 # quick `make'.
 297 if test "x$GCC" = "xyes"; then
 298   stage1_warn_cflags='$(WARN_CFLAGS)'
 299 else
 300   stage1_warn_cflags=""
 301 fi
 302 AC_SUBST(stage1_warn_cflags)
 303
 304 AC_PROG_MAKE_SET
 305
 306 AC_MSG_CHECKING([whether a default assembler was specified])
 307 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
 308     if test x"$gas_flag" = x"no"; then
 309         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
 310     else
 311         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
 312     fi
 313 else
 314     AC_MSG_RESULT(no)
 315 fi
 316
 317 AC_MSG_CHECKING([whether a default linker was specified])
 318 if test x"${DEFAULT_LINKER+set}" = x"set"; then
 319     if test x"$gnu_ld_flag" = x"no"; then
 320         AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
 321     else
 322         AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
 323     fi
 324 else
 325     AC_MSG_RESULT(no)
 326 fi
 327
 328 # Find some useful tools
 329 AC_PROG_AWK
 330 AC_PROG_LEX
 331 GCC_PROG_LN
 332 GCC_PROG_LN_S
 333 GCC_C_VOLATILE
 334 AC_PROG_RANLIB
 335 AC_PROG_YACC
 336 EGCS_PROG_INSTALL
 337
 338 AC_HEADER_STDC
 339 AC_HEADER_TIME
 340 GCC_HEADER_STRING
 341 AC_HEADER_SYS_WAIT
 342 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)
 343
 344 # Check for thread headers.
 345 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
 346 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
 347
 348 # See if GNAT has been installed
 349 AC_CHECK_PROG(gnat, gnatbind, yes, no)
 350
 351 # See if the system preprocessor understands the ANSI C preprocessor
 352 # stringification operator.
 353 AC_MSG_CHECKING(whether cpp understands the stringify operator)
 354 AC_CACHE_VAL(gcc_cv_c_have_stringify,
 355 [AC_TRY_COMPILE(,
 356 [#define S(x)   #x
 357 char *test = S(foo);],
 358 gcc_cv_c_have_stringify=yes, gcc_cv_c_have_stringify=no)])
 359 AC_MSG_RESULT($gcc_cv_c_have_stringify)
 360 if test $gcc_cv_c_have_stringify = yes; then
 361   AC_DEFINE(HAVE_CPP_STRINGIFY)
 362 fi
 363
 364 # Use <inttypes.h> only if it exists,
 365 # doesn't clash with <sys/types.h>, and declares intmax_t.
 366 AC_MSG_CHECKING(for inttypes.h)
 367 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
 368 [AC_TRY_COMPILE(
 369   [#include <sys/types.h>
 370 #include <inttypes.h>],
 371   [intmax_t i = -1;],
 372   [gcc_cv_header_inttypes_h=yes],
 373   gcc_cv_header_inttypes_h=no)])
 374 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
 375 if test $gcc_cv_header_inttypes_h = yes; then
 376   AC_DEFINE(HAVE_INTTYPES_H)
 377 fi
 378
 379 AC_CHECK_FUNCS(strtoul bsearch strerror putenv popen bcopy bzero bcmp \
 380         index rindex strchr strrchr kill getrlimit setrlimit atoll atoq \
 381         sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \
 382         fputs_unlocked)
 383
 384 # Make sure wchar_t is available
 385 #AC_CHECK_TYPE(wchar_t, unsigned int)
 386
 387 GCC_FUNC_VFPRINTF_DOPRNT
 388 GCC_FUNC_PRINTF_PTR
 389
 390 case "${host}" in
 391 *-*-uwin*)
 392   # Under some versions of uwin, vfork is notoriously buggy and the test
 393   # can hang configure; on other versions, vfork exists just as a stub.
 394   # FIXME: This should be removed once vfork in uwin's runtime is fixed.
 395   ac_cv_func_vfork_works=no
 396   ;;
 397 esac
 398 AC_FUNC_VFORK
 399
 400 GCC_NEED_DECLARATIONS(malloc realloc calloc free bcopy bzero bcmp \
 401         index rindex getenv atol sbrk abort atof strerror getcwd getwd \
 402         strsignal putc_unlocked fputs_unlocked strstr)
 403
 404 GCC_NEED_DECLARATIONS(getrlimit setrlimit, [
 405 #include <sys/types.h>
 406 #ifdef HAVE_SYS_RESOURCE_H
 407 #include <sys/resource.h>
 408 #endif
 409 ])
 410
 411 AC_DECL_SYS_SIGLIST
 412
 413 # mkdir takes a single argument on some systems.
 414 GCC_FUNC_MKDIR_TAKES_ONE_ARG
 415
 416 # File extensions
 417 manext='.1'
 418 objext='.o'
 419 AC_SUBST(manext)
 420 AC_SUBST(objext)
 421
 422 build_xm_file=
 423 build_xm_defines=
 424 build_install_headers_dir=install-headers-tar
 425 build_exeext=
 426 host_xm_file=
 427 host_xm_defines=
 428 host_xmake_file=
 429 host_truncate_target=
 430 host_exeext=
 431
 432 # Decode the host machine, then the target machine.
 433 # For the host machine, we save the xm_file variable as host_xm_file;
 434 # then we decode the target machine and forget everything else
 435 # that came from the host machine.
 436 for machine in $build $host $target; do
 437
 438         out_file=
 439         xmake_file=
 440         tmake_file=
 441         extra_headers=
 442         extra_passes=
 443         extra_parts=
 444         extra_programs=
 445         extra_objs=
 446         extra_host_objs=
 447         extra_gcc_objs=
 448         xm_defines=
 449         float_format=
 450         # Set this to force installation and use of collect2.
 451         use_collect2=
 452         # Set this to override the default target model.
 453         target_cpu_default=
 454         # Set this to control how the header file directory is installed.
 455         install_headers_dir=install-headers-tar
 456         # Set this to a non-empty list of args to pass to cpp if the target
 457         # wants its .md file passed through cpp.
 458         md_cppflags=
 459         # Set this if directory names should be truncated to 14 characters.
 460         truncate_target=
 461         # Set this if gdb needs a dir command with `dirname $out_file`
 462         gdb_needs_out_file_path=
 463         # Set this if the build machine requires executables to have a
 464         # file name suffix.
 465         exeext=
 466         # Set this to control which thread package will be used.
 467         thread_file=
 468         # Reinitialize these from the flag values every loop pass, since some
 469         # configure entries modify them.
 470         gas="$gas_flag"
 471         gnu_ld="$gnu_ld_flag"
 472         enable_threads=$enable_threads_flag
 473
 474         # Set default cpu_type, tm_file and xm_file so it can be updated in
 475         # each machine entry.
 476         cpu_type=`echo $machine | sed 's/-.*$//'`
 477         case $machine in
 478         alpha*-*-*)
 479                 cpu_type=alpha
 480                 ;;
 481         arm*-*-*)
 482                 cpu_type=arm
 483                 ;;
 484         c*-convex-*)
 485                 cpu_type=convex
 486                 ;;
 487 changequote(,)dnl
 488         i[34567]86-*-*)
 489 changequote([,])dnl
 490                 cpu_type=i386
 491                 ;;
 492         hppa*-*-*)
 493                 cpu_type=pa
 494                 ;;
 495         m68000-*-*)
 496                 cpu_type=m68k
 497                 ;;
 498         mips*-*-*)
 499                 cpu_type=mips
 500                 ;;
 501         powerpc*-*-*)
 502                 cpu_type=rs6000
 503                 ;;
 504         pyramid-*-*)
 505                 cpu_type=pyr
 506                 ;;
 507         sparc*-*-*)
 508                 cpu_type=sparc
 509                 ;;
 510         esac
 511
 512         tm_file=${cpu_type}/${cpu_type}.h
 513         xm_file=${cpu_type}/xm-${cpu_type}.h
 514
 515         # On a.out targets, we need to use collect2.
 516         case $machine in
 517         *-*-*aout*)
 518                 use_collect2=yes
 519                 ;;
 520         esac
 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="${tm_file} alpha/alpha32.h interix.h alpha/alpha-interix.h"
 580
 581                 # GAS + IEEE_CONFORMANT+IEEE (no inexact);
 582                 #target_cpu_default="MASK_GAS|MASK_IEEE_CONFORMANT|MASK_IEEE"
 583
 584                 # GAS + IEEE_CONFORMANT
 585                 target_cpu_default="MASK_GAS|MASK_IEEE_CONFORMANT"
 586
 587                 xm_file="alpha/xm-alpha-interix.h xm-interix.h"
 588                 xmake_file="x-interix alpha/t-pe"
 589                 tmake_file="alpha/t-interix alpha/t-ieee"
 590                 if test x$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="${tm_file} alpha/linux-ecoff.h alpha/linux.h"
 601                 target_cpu_default="MASK_GAS"
 602                 tmake_file="alpha/t-ieee"
 603                 gas=no
 604                 xmake_file=none
 605                 gas=yes gnu_ld=yes
 606                 ;;
 607         alpha*-*-linux-gnulibc1*)
 608                 tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
 609                 target_cpu_default="MASK_GAS"
 610                 tmake_file="t-linux t-linux-gnulibc1 alpha/t-linux alpha/t-crtbe alpha/t-ieee"
 611                 extra_parts="crtbegin.o crtend.o"
 612                 xmake_file=none
 613                 gas=yes gnu_ld=yes
 614                 if test x$enable_threads = xyes; then
 615                         thread_file='posix'
 616                 fi
 617                 ;;
 618         alpha*-*-linux-gnu*)
 619                 tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
 620                 target_cpu_default="MASK_GAS"
 621                 tmake_file="t-linux alpha/t-linux alpha/t-crtbe alpha/t-ieee"
 622                 extra_parts="crtbegin.o crtend.o"
 623                 xmake_file=none
 624                 gas=yes gnu_ld=yes
 625                 if test x$enable_threads = xyes; then
 626                         thread_file='posix'
 627                 fi
 628                 ;;
 629         alpha*-*-netbsd*)
 630                 tm_file="${tm_file} alpha/elf.h alpha/netbsd.h alpha/netbsd-elf.h"
 631                 target_cpu_default="MASK_GAS"
 632                 tmake_file="alpha/t-crtbe alpha/t-ieee"
 633                 extra_parts="crtbegin.o crtend.o"
 634                 xmake_file=none
 635                 gas=yes gnu_ld=yes
 636                 ;;
 637
 638         alpha*-*-openbsd*)
 639                 # default x-alpha is only appropriate for dec-osf.
 640                 target_cpu_default="MASK_GAS"
 641                 tmake_file="alpha/t-ieee"
 642                 ;;
 643
 644         alpha*-dec-osf*)
 645                 if test x$stabs = xyes
 646                 then
 647                         tm_file="${tm_file} dbx.h"
 648                 fi
 649                 if test x$gas != xyes
 650                 then
 651                         extra_passes="mips-tfile mips-tdump"
 652                 fi
 653                 use_collect2=yes
 654                 tmake_file="alpha/t-ieee"
 655                 case $machine in
 656                   *-*-osf1*)
 657                     tm_file="${tm_file} alpha/osf.h alpha/osf12.h alpha/osf2or3.h"
 658                     ;;
 659 changequote(,)dnl
 660                   *-*-osf[23]*)
 661 changequote([,])dnl
 662                     tm_file="${tm_file} alpha/osf.h alpha/osf2or3.h"
 663                     ;;
 664                   *-*-osf4*)
 665                     tm_file="${tm_file} alpha/osf.h"
 666                     # Some versions of OSF4 (specifically X4.0-9 296.7) have
 667                     # a broken tar, so we use cpio instead.
 668                     install_headers_dir=install-headers-cpio
 669                     ;;
 670                 esac
 671                 case $machine in
 672 changequote(,)dnl
 673                   *-*-osf4.0[b-z] | *-*-osf4.[1-9]*)
 674 changequote([,])dnl
 675                     target_cpu_default=MASK_SUPPORT_ARCH
 676                     ;;
 677                 esac
 678                 ;;
 679         alpha*-*-vxworks*)
 680                 tm_file="${tm_file} dbx.h alpha/vxworks.h"
 681                 tmake_file="alpha/t-ieee"
 682                 if [ x$gas != xyes ]
 683                 then
 684                         extra_passes="mips-tfile mips-tdump"
 685                 fi
 686                 use_collect2=yes
 687                 thread_file='vxworks'
 688                 ;;
 689         alpha*-*-winnt*)
 690                 tm_file="${tm_file} alpha/alpha32.h alpha/win-nt.h winnt/win-nt.h"
 691                 xm_file="${xm_file} config/winnt/xm-winnt.h alpha/xm-winnt.h"
 692                 tmake_file="t-libc-ok alpha/t-ieee"
 693                 xmake_file=winnt/x-winnt
 694                 extra_host_objs=oldnames.o
 695                 extra_gcc_objs="spawnv.o oldnames.o"
 696                 if test x$gnu_ld != xyes
 697                 then
 698                         extra_programs=ld.exe
 699                 fi
 700                 if test x$enable_threads = xyes; then
 701                         thread_file='win32'
 702                 fi
 703                 ;;
 704         alpha*-dec-vms*)
 705                 tm_file=alpha/vms.h
 706                 xm_file="${xm_file} alpha/xm-vms.h"
 707                 tmake_file="alpha/t-vms alpha/t-ieee"
 708                 ;;
 709         arc-*-elf*)
 710                 extra_parts="crtinit.o crtfini.o"
 711                 ;;
 712         arm-*-coff* | armel-*-coff*)
 713                 tm_file=arm/coff.h
 714                 tmake_file=arm/t-bare
 715                 ;;
 716         arm-*-vxworks*)
 717                 tm_file=arm/vxarm.h
 718                 tmake_file=arm/t-bare
 719                 thread_file='vxworks'
 720                 ;;
 721 changequote(,)dnl
 722         arm-*-riscix1.[01]*)            # Acorn RISC machine (early versions)
 723 changequote([,])dnl
 724                 tm_file=arm/riscix1-1.h
 725                 use_collect2=yes
 726                 ;;
 727         arm-*-riscix*)                  # Acorn RISC machine
 728                 if test x$gas = xyes
 729                 then
 730                     tm_file=arm/rix-gas.h
 731                 else
 732                     tm_file=arm/riscix.h
 733                 fi
 734                 xmake_file=arm/x-riscix
 735                 tmake_file=arm/t-riscix
 736                 use_collect2=yes
 737                 ;;
 738         arm-semi-aout | armel-semi-aout)
 739                 tm_file=arm/semi.h
 740                 tmake_file=arm/t-semi
 741                 ;;
 742         arm-semi-aof | armel-semi-aof)
 743                 tm_file=arm/semiaof.h
 744                 tmake_file=arm/t-semiaof
 745                 ;;
 746         arm*-*-netbsd*)
 747                 tm_file=arm/netbsd.h
 748                 xm_file="arm/xm-netbsd.h ${xm_file}"
 749                 tmake_file="t-netbsd arm/t-netbsd"
 750        use_collect2=yes
 751                 ;;
 752         arm*-*-linux-gnuaout*)          # ARM GNU/Linux with a.out
 753                 cpu_type=arm
 754                 xmake_file=x-linux
 755                 tm_file=arm/linux-aout.h
 756                 tmake_file=arm/t-linux
 757                 gnu_ld=yes
 758                 ;;
 759         arm*-*-linux-gnu*)              # ARM GNU/Linux with ELF
 760                 xm_file=arm/xm-linux.h
 761                 xmake_file=x-linux
 762                 case $machine in
 763                 armv2*-*-*)
 764                         tm_file=arm/linux-elf26.h
 765                         ;;
 766                 *)
 767                         tm_file=arm/linux-elf.h
 768                         ;;
 769                 esac
 770                 tmake_file="t-linux arm/t-linux"
 771                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 772                 gnu_ld=yes
 773                 case x${enable_threads} in
 774                 x | xyes | xpthreads | xposix)
 775                         thread_file='posix'
 776                         ;;
 777                 esac
 778                 ;;
 779         arm*-*-uclinux*)                # ARM ucLinux
 780                 tm_file=arm/uclinux-elf.h
 781                 tmake_file=arm/t-arm-elf
 782                 ;;
 783         arm*-*-aout)
 784                 tm_file=arm/aout.h
 785                 tmake_file=arm/t-bare
 786                 ;;
 787         arm*-*-ecos-elf)
 788                 tm_file=arm/ecos-elf.h
 789                 tmake_file=arm/t-elf
 790                 ;;
 791         arm*-*-elf)
 792                 tm_file=arm/unknown-elf.h
 793                 tmake_file=arm/t-arm-elf
 794                 ;;
 795         arm*-*-oabi)
 796                 tm_file=arm/unknown-elf-oabi.h
 797                 tmake_file=arm/t-arm-elf
 798                 ;;
 799         arm-*-pe*)
 800                 tm_file=arm/pe.h
 801                 tmake_file=arm/t-pe
 802                 extra_objs=pe.o
 803                 ;;
 804         c1-convex-*)                    # Convex C1
 805                 target_cpu_default=1
 806                 use_collect2=yes
 807                 ;;
 808         c2-convex-*)                    # Convex C2
 809                 target_cpu_default=2
 810                 use_collect2=yes
 811                 ;;
 812         c32-convex-*)
 813                 target_cpu_default=4
 814                 use_collect2=yes
 815                 ;;
 816         c34-convex-*)
 817                 target_cpu_default=8
 818                 use_collect2=yes
 819                 ;;
 820         c38-convex-*)
 821                 target_cpu_default=16
 822                 use_collect2=yes
 823                 ;;
 824         c4x-*)
 825                 cpu_type=c4x
 826                 tmake_file=c4x/t-c4x
 827                 ;;
 828         clipper-intergraph-clix*)
 829                 tm_file="${tm_file} svr3.h clipper/clix.h"
 830                 xm_file=clipper/xm-clix.h
 831                 xmake_file=clipper/x-clix
 832                 extra_headers=va-clipper.h
 833                 extra_parts="crtbegin.o crtend.o"
 834                 install_headers_dir=install-headers-cpio
 835                 ;;
 836         dsp16xx-*)
 837                 ;;
 838         elxsi-elxsi-*)
 839                 use_collect2=yes
 840                 ;;
 841 # This hasn't been upgraded to GCC 2.
 842 #       fx80-alliant-*)                 # Alliant FX/80
 843 #               ;;
 844         h8300-*-*)
 845                 float_format=i32
 846                 ;;
 847         hppa*-*-linux*)
 848                 target_cpu_default="(MASK_PA_11 | MASK_GAS | MASK_JUMP_IN_DELAY)"
 849                 tm_file="${tm_file} pa/elf.h linux.h pa/pa-linux.h"
 850                 tmake_file="t-linux pa/t-linux"
 851                 extra_parts="crtbegin.o crtend.o"
 852                 xmake_file=none
 853                 gas=yes gnu_ld=yes
 854                 if test x$enable_threads = xyes; then
 855                         thread_file='posix'
 856                 fi
 857                 ;;
 858         hppa*-*-openbsd*)
 859                 target_cpu_default="MASK_PA_11"
 860                 tmake_file=pa/t-openbsd
 861                 ;;
 862         hppa1.1-*-pro*)
 863                 target_cpu_default="(MASK_JUMP_IN_DELAY | MASK_PORTABLE_RUNTIME | MASK_GAS | MASK_NO_SPACE_REGS | MASK_SOFT_FLOAT)"
 864                 tm_file="${tm_file} elfos.h pa/elf.h pa/pa-pro-end.h libgloss.h"
 865                 xm_file=pa/xm-papro.h
 866                 tmake_file=pa/t-pro
 867                 ;;
 868         hppa1.1-*-osf*)
 869                 target_cpu_default="MASK_PA_11"
 870                 tm_file="${tm_file} pa/som.h pa/pa-osf.h"
 871                 use_collect2=yes
 872                 ;;
 873         hppa1.1-*-rtems*)
 874                 target_cpu_default="(MASK_JUMP_IN_DELAY | MASK_PORTABLE_RUNTIME | MASK_GAS | MASK_NO_SPACE_REGS | MASK_SOFT_FLOAT)"
 875                 tm_file="${tm_file} elfos.h pa/elf.h pa/pa-pro-end.h libgloss.h pa/rtems.h"
 876                 xm_file=pa/xm-papro.h
 877                 tmake_file=pa/t-pro
 878                 ;;
 879         hppa1.0-*-osf*)
 880                 tm_file="${tm_file} pa/som.h pa/pa-osf.h"
 881                 use_collect2=yes
 882                 ;;
 883         hppa1.1-*-bsd*)
 884                 tm_file="${tm_file} pa/som.h"
 885                 target_cpu_default="MASK_PA_11"
 886                 use_collect2=yes
 887                 ;;
 888         hppa1.0-*-bsd*)
 889                 tm_file="${tm_file} pa/som.h"
 890                 use_collect2=yes
 891                 ;;
 892         hppa1.0-*-hpux7*)
 893                 tm_file="pa/pa-oldas.h ${tm_file} pa/som.h pa/pa-hpux7.h"
 894                 xm_file=pa/xm-pahpux.h
 895                 xmake_file=pa/x-pa-hpux
 896                 if test x$gas = xyes
 897                 then
 898                         tm_file="${tm_file} pa/gas.h"
 899                 fi
 900                 install_headers_dir=install-headers-cpio
 901                 use_collect2=yes
 902                 ;;
 903 changequote(,)dnl
 904         hppa1.0-*-hpux8.0[0-2]*)
 905 changequote([,])dnl
 906                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h"
 907                 xm_file=pa/xm-pahpux.h
 908                 xmake_file=pa/x-pa-hpux
 909                 if test x$gas = xyes
 910                 then
 911                         tm_file="${tm_file} pa/pa-gas.h"
 912                 else
 913                         tm_file="pa/pa-oldas.h ${tm_file}"
 914                 fi
 915                 install_headers_dir=install-headers-cpio
 916                 use_collect2=yes
 917                 ;;
 918 changequote(,)dnl
 919         hppa1.1-*-hpux8.0[0-2]*)
 920 changequote([,])dnl
 921                 target_cpu_default="MASK_PA_11"
 922                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h"
 923                 xm_file=pa/xm-pahpux.h
 924                 xmake_file=pa/x-pa-hpux
 925                 if test x$gas = xyes
 926                 then
 927                         tm_file="${tm_file} pa/pa-gas.h"
 928                 else
 929                         tm_file="pa/pa-oldas.h ${tm_file}"
 930                 fi
 931                 install_headers_dir=install-headers-cpio
 932                 use_collect2=yes
 933                 ;;
 934         hppa1.1-*-hpux8*)
 935                 target_cpu_default="MASK_PA_11"
 936                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h"
 937                 xm_file=pa/xm-pahpux.h
 938                 xmake_file=pa/x-pa-hpux
 939                 if test x$gas = xyes
 940                 then
 941                         tm_file="${tm_file} pa/pa-gas.h"
 942                 fi
 943                 install_headers_dir=install-headers-cpio
 944                 use_collect2=yes
 945                 ;;
 946         hppa1.0-*-hpux8*)
 947                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h"
 948                 xm_file=pa/xm-pahpux.h
 949                 xmake_file=pa/x-pa-hpux
 950                 if test x$gas = xyes
 951                 then
 952                         tm_file="${tm_file} pa/pa-gas.h"
 953                 fi
 954                 install_headers_dir=install-headers-cpio
 955                 use_collect2=yes
 956                 ;;
 957         hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
 958                 target_cpu_default="MASK_PA_11"
 959                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h pa/pa-hpux10.h"
 960                 xm_file=pa/xm-pahpux.h
 961                 xmake_file=pa/x-pa-hpux
 962                 tmake_file=pa/t-pa
 963                 if test x$gas = xyes
 964                 then
 965                         tm_file="${tm_file} pa/pa-gas.h"
 966                 fi
 967                 if test x$enable_threads = x; then
 968                     enable_threads=$have_pthread_h
 969                 fi
 970                 if test x$enable_threads = xyes; then
 971                         thread_file='dce'
 972                         tmake_file="${tmake_file} pa/t-dce-thr"
 973                 fi
 974                 install_headers_dir=install-headers-cpio
 975                 use_collect2=yes
 976                 ;;
 977         hppa1.0-*-hpux10*)
 978                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h pa/pa-hpux10.h"
 979                 xm_file=pa/xm-pahpux.h
 980                 xmake_file=pa/x-pa-hpux
 981                 tmake_file=pa/t-pa
 982                 if test x$gas = xyes
 983                 then
 984                         tm_file="${tm_file} pa/pa-gas.h"
 985                 fi
 986                 if test x$enable_threads = x; then
 987                     enable_threads=$have_pthread_h
 988                 fi
 989                 if test x$enable_threads = xyes; then
 990                         thread_file='dce'
 991                         tmake_file="${tmake_file} pa/t-dce-thr"
 992                 fi
 993                 install_headers_dir=install-headers-cpio
 994                 use_collect2=yes
 995                 ;;
 996         hppa1.1-*-hpux11* | hppa2*-*-hpux11*)
 997                 target_cpu_default="MASK_PA_11"
 998                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h pa/pa-hpux11.h"
 999                 xm_file=pa/xm-pahpux.h
1000                 xmake_file=pa/x-pa-hpux
1001                 tmake_file=pa/t-pa
1002                 if [[ x$gas = xyes ]]
1003                 then
1004                         tm_file="${tm_file} pa/pa-gas.h"
1005                 fi
1006 #               if [[ x$enable_threads = x ]]; then
1007 #                   enable_threads=$have_pthread_h
1008 #               fi
1009 #               if [[ x$enable_threads = xyes ]]; then
1010 #                       thread_file='dce'
1011 #                       tmake_file="${tmake_file} pa/t-dce-thr"
1012 #               fi
1013                 install_headers_dir=install-headers-cpio
1014                 use_collect2=yes
1015                 ;;
1016         hppa1.0-*-hpux11*)
1017                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h pa/pa-hpux11.h"
1018                 xm_file=pa/xm-pahpux.h
1019                 xmake_file=pa/x-pa-hpux
1020                 if [[ x$gas = xyes ]]
1021                 then
1022                         tm_file="${tm_file} pa/pa-gas.h"
1023                 fi
1024 #               if [[ x$enable_threads = x ]]; then
1025 #                   enable_threads=$have_pthread_h
1026 #               fi
1027 #               if [[ x$enable_threads = xyes ]]; then
1028 #                       thread_file='dce'
1029 #                       tmake_file="${tmake_file} pa/t-dce-thr"
1030 #               fi
1031                 install_headers_dir=install-headers-cpio
1032                 use_collect2=yes
1033                 ;;
1034         hppa1.1-*-hpux* | hppa2*-*-hpux*)
1035                 target_cpu_default="MASK_PA_11"
1036                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h pa/pa-hpux9.h"
1037                 xm_file=pa/xm-pahpux.h
1038                 xmake_file=pa/x-pa-hpux
1039                 if test x$gas = xyes
1040                 then
1041                         tm_file="${tm_file} pa/pa-gas.h"
1042                 fi
1043                 install_headers_dir=install-headers-cpio
1044                 use_collect2=yes
1045                 ;;
1046         hppa1.0-*-hpux*)
1047                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h pa/pa-hpux9.h"
1048                 xm_file=pa/xm-pahpux.h
1049                 xmake_file=pa/x-pa-hpux
1050                 if test x$gas = xyes
1051                 then
1052                         tm_file="${tm_file} pa/pa-gas.h"
1053                 fi
1054                 install_headers_dir=install-headers-cpio
1055                 use_collect2=yes
1056                 ;;
1057         hppa1.1-*-hiux* | hppa2*-*-hiux*)
1058                 target_cpu_default="MASK_PA_11"
1059                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h pa/pa-hiux.h"
1060                 xm_file=pa/xm-pahpux.h
1061                 xmake_file=pa/x-pa-hpux
1062                 if test x$gas = xyes
1063                 then
1064                         tm_file="${tm_file} pa/pa-gas.h"
1065                 fi
1066                 install_headers_dir=install-headers-cpio
1067                 use_collect2=yes
1068                 ;;
1069         hppa1.0-*-hiux*)
1070                 tm_file="${tm_file} pa/som.h pa/pa-hpux.h pa/pa-hiux.h"
1071                 xm_file=pa/xm-pahpux.h
1072                 xmake_file=pa/x-pa-hpux
1073                 if test x$gas = xyes
1074                 then
1075                         tm_file="${tm_file} pa/pa-gas.h"
1076                 fi
1077                 install_headers_dir=install-headers-cpio
1078                 use_collect2=yes
1079                 ;;
1080         hppa*-*-lites*)
1081                 tm_file="${tm_file} elfos.h pa/elf.h"
1082                 target_cpu_default="MASK_PA_11"
1083                 use_collect2=yes
1084                 ;;
1085         i370-*-mvs*)
1086                 ;;
1087 changequote(,)dnl
1088         i[34567]86-*-elf*)
1089 changequote([,])dnl
1090                 xm_file="${xm_file} xm-svr4.h i386/xm-sysv4.h"
1091                 tm_file=i386/i386elf.h
1092                 tmake_file=i386/t-i386elf
1093                 xmake_file=x-svr4
1094                 ;;
1095 changequote(,)dnl
1096         i[34567]86-ibm-aix*)            # IBM PS/2 running AIX
1097 changequote([,])dnl
1098                 if test x$gas = xyes
1099                 then
1100                         tm_file=i386/aix386.h
1101                         extra_parts="crtbegin.o crtend.o"
1102                         tmake_file=i386/t-crtstuff
1103                 else
1104                         tm_file=i386/aix386ng.h
1105                         use_collect2=yes
1106                 fi
1107                 xm_file="xm-alloca.h i386/xm-aix.h ${xm_file}"
1108                 xm_defines=USG
1109                 xmake_file=i386/x-aix
1110                 ;;
1111 changequote(,)dnl
1112         i[34567]86-ncr-sysv4*)          # NCR 3000 - ix86 running system V.4
1113 changequote([,])dnl
1114                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1115                 xm_defines="USG POSIX SMALL_ARG_MAX"
1116                 xmake_file=i386/x-ncr3000
1117                 if test x$stabs = xyes -a x$gas = xyes
1118                 then
1119                         tm_file=i386/sysv4gdb.h
1120                 else
1121                         tm_file=i386/sysv4.h
1122                 fi
1123                 extra_parts="crtbegin.o crtend.o"
1124                 tmake_file=i386/t-crtpic
1125                 ;;
1126 changequote(,)dnl
1127         i[34567]86-next-*)
1128 changequote([,])dnl
1129                 tm_file=i386/next.h
1130                 xm_file=i386/xm-next.h
1131                 tmake_file=i386/t-next
1132                 xmake_file=i386/x-next
1133                 extra_objs=nextstep.o
1134                 extra_parts="crtbegin.o crtend.o"
1135                 if test x$enable_threads = xyes; then
1136                         thread_file='mach'
1137                 fi
1138                 ;;
1139 changequote(,)dnl
1140         i[34567]86-sequent-bsd*)                # 80386 from Sequent
1141 changequote([,])dnl
1142                 use_collect2=yes
1143                 if test x$gas = xyes
1144                 then
1145                         tm_file=i386/seq-gas.h
1146                 else
1147                         tm_file=i386/sequent.h
1148                 fi
1149                 ;;
1150 changequote(,)dnl
1151         i[34567]86-sequent-ptx1*)
1152 changequote([,])dnl
1153                 xm_defines="USG SVR3"
1154                 xmake_file=i386/x-sysv3
1155                 tm_file=i386/seq-sysv3.h
1156                 tmake_file=i386/t-crtstuff
1157                 extra_parts="crtbegin.o crtend.o"
1158                 install_headers_dir=install-headers-cpio
1159                 ;;
1160 changequote(,)dnl
1161         i[34567]86-sequent-ptx2* | i[34567]86-sequent-sysv3*)
1162 changequote([,])dnl
1163                 xm_defines="USG SVR3"
1164                 xmake_file=i386/x-sysv3
1165                 tm_file=i386/seq2-sysv3.h
1166                 tmake_file=i386/t-crtstuff
1167                 extra_parts="crtbegin.o crtend.o"
1168                 install_headers_dir=install-headers-cpio
1169                 ;;
1170 changequote(,)dnl
1171         i[34567]86-sequent-ptx4* | i[34567]86-sequent-sysv4*)
1172 changequote([,])dnl
1173                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1174                 xm_defines="USG POSIX SMALL_ARG_MAX"
1175                 xmake_file=x-svr4
1176                 tm_file=i386/ptx4-i.h
1177                 tmake_file=t-svr4
1178                 extra_parts="crtbegin.o crtend.o"
1179                 install_headers_dir=install-headers-cpio
1180                 ;;
1181         i386-sun-sunos*)                # Sun i386 roadrunner
1182                 xm_defines=USG
1183                 tm_file=i386/sun.h
1184                 use_collect2=yes
1185                 ;;
1186 changequote(,)dnl
1187         i[34567]86-wrs-vxworks*)
1188 changequote([,])dnl
1189                 tm_file=i386/vxi386.h
1190                 tmake_file=i386/t-i386bare
1191                 thread_file='vxworks'
1192                 ;;
1193 changequote(,)dnl
1194         i[34567]86-*-aout*)
1195 changequote([,])dnl
1196                 tm_file=i386/i386-aout.h
1197                 tmake_file=i386/t-i386bare
1198                 ;;
1199 changequote(,)dnl
1200         i[34567]86-*-bsdi* | i[34567]86-*-bsd386*)
1201 changequote([,])dnl
1202                 tm_file=i386/bsd386.h
1203 #               tmake_file=t-libc-ok
1204                 ;;
1205 changequote(,)dnl
1206         i[34567]86-*-bsd*)
1207 changequote([,])dnl
1208                 tm_file=i386/386bsd.h
1209 #               tmake_file=t-libc-ok
1210 # Next line turned off because both 386BSD and BSD/386 use GNU ld.
1211 #               use_collect2=yes
1212                 ;;
1213 changequote(,)dnl
1214         i[34567]86-*-freebsdelf*)
1215 changequote([,])dnl
1216                 tm_file="i386/i386.h i386/att.h svr4.h i386/freebsd-elf.h i386/perform.h"
1217                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1218                 tmake_file=t-freebsd
1219                 gas=yes
1220                 gnu_ld=yes
1221                 stabs=yes
1222                 ;;
1223 changequote(,)dnl
1224         i[34567]86-*-freebsd*)
1225 changequote([,])dnl
1226                 tm_file=i386/freebsd.h
1227                 tmake_file=t-freebsd
1228                 ;;
1229 changequote(,)dnl
1230         i[34567]86-*-netbsd*)
1231 changequote([,])dnl
1232                 tm_file=i386/netbsd.h
1233                 tmake_file=t-netbsd
1234        use_collect2=yes
1235                 ;;
1236 changequote(,)dnl
1237         i[34567]86-*-openbsd*)
1238 changequote([,])dnl
1239                 # we need collect2 until our bug is fixed...
1240                 use_collect2=yes
1241                 ;;
1242 changequote(,)dnl
1243         i[34567]86-*-coff*)
1244 changequote([,])dnl
1245                 tm_file=i386/i386-coff.h
1246                 tmake_file=i386/t-i386bare
1247                 ;;
1248 changequote(,)dnl
1249         i[34567]86-*-isc*)              # 80386 running ISC system
1250 changequote([,])dnl
1251                 xm_file="${xm_file} i386/xm-isc.h"
1252                 xm_defines="USG SVR3"
1253                 case $machine in
1254 changequote(,)dnl
1255                   i[34567]86-*-isc[34]*)
1256 changequote([,])dnl
1257                     xmake_file=i386/x-isc3
1258                     ;;
1259                   *)
1260                     xmake_file=i386/x-isc
1261                     ;;
1262                 esac
1263                 if test x$gas = xyes -a x$stabs = xyes
1264                 then
1265                         tm_file=i386/iscdbx.h
1266                         tmake_file=i386/t-svr3dbx
1267                         extra_parts="svr3.ifile svr3z.ifile"
1268                 else
1269                         tm_file=i386/isccoff.h
1270                         tmake_file=i386/t-crtstuff
1271                         extra_parts="crtbegin.o crtend.o"
1272                 fi
1273                 install_headers_dir=install-headers-cpio
1274                 ;;
1275 changequote(,)dnl
1276         i[34567]86-*-linux-gnuoldld*)   # Intel 80386's running GNU/Linux
1277 changequote([,])dnl                     # with a.out format using
1278                                         # pre BFD linkers
1279                 xmake_file=x-linux-aout
1280                 tmake_file="t-linux-aout i386/t-crtstuff"
1281                 tm_file=i386/linux-oldld.h
1282                 gnu_ld=yes
1283                 float_format=i386
1284                 ;;
1285 changequote(,)dnl
1286         i[34567]86-*-linux-gnuaout*)    # Intel 80386's running GNU/Linux
1287 changequote([,])dnl                     # with a.out format
1288                 xmake_file=x-linux-aout
1289                 tmake_file="t-linux-aout i386/t-crtstuff"
1290                 tm_file=i386/linux-aout.h
1291                 gnu_ld=yes
1292                 float_format=i386
1293                 ;;
1294 changequote(,)dnl
1295         i[34567]86-*-linux-gnulibc1)    # Intel 80386's running GNU/Linux
1296 changequote([,])dnl                     # with ELF format using the
1297                                         # GNU/Linux C library 5
1298                 xmake_file=x-linux
1299                 tm_file=i386/linux.h
1300                 tmake_file="t-linux t-linux-gnulibc1 i386/t-crtstuff"
1301                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1302                 gnu_ld=yes
1303                 float_format=i386
1304                 if test x$enable_threads = xyes; then
1305                         thread_file='single'
1306                 fi
1307                 ;;
1308 changequote(,)dnl
1309         i[34567]86-*-linux-gnu*)        # Intel 80386's running GNU/Linux
1310 changequote([,])dnl                     # with ELF format using glibc 2
1311                                         # aka GNU/Linux C library 6
1312                 xmake_file=x-linux
1313                 tm_file=i386/linux.h
1314                 tmake_file="t-linux i386/t-crtstuff"
1315                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1316                 gnu_ld=yes
1317                 float_format=i386
1318                 if test x$enable_threads = xyes; then
1319                         thread_file='posix'
1320                 fi
1321                 ;;
1322 changequote(,)dnl
1323         i[34567]86-*-gnu*)
1324                 float_format=i386
1325 changequote([,])dnl
1326                 ;;
1327 changequote(,)dnl
1328         i[34567]86-go32-msdos | i[34567]86-*-go32*)
1329 changequote([,])dnl
1330                 echo "GO32/DJGPP V1.X is no longer supported. Use *-pc-msdosdjgpp for DJGPP V2.X instead."
1331                 exit 1
1332                 ;;
1333 changequote(,)dnl
1334         i[34567]86-pc-msdosdjgpp*)
1335 changequote([,])dnl
1336                 xm_file=i386/xm-djgpp.h
1337                 tm_file=i386/djgpp.h
1338                 tmake_file=i386/t-djgpp
1339                 xmake_file=i386/x-djgpp
1340                 gnu_ld=yes
1341                 gas=yes
1342                 exeext=.exe
1343                 case $host in *pc-msdosdjgpp*)
1344                         target_alias=djgpp
1345                         ;;
1346                 esac
1347                 ;;
1348 changequote(,)dnl
1349         i[34567]86-moss-msdos* | i[34567]86-*-moss*)
1350 changequote([,])dnl
1351                 tm_file=i386/moss.h
1352                 tmake_file=t-libc-ok
1353                 gnu_ld=yes
1354                 gas=yes
1355                 ;;
1356 changequote(,)dnl
1357         i[34567]86-*-lynxos*)
1358 changequote([,])dnl
1359                 if test x$gas = xyes
1360                 then
1361                         tm_file=i386/lynx.h
1362                 else
1363                         tm_file=i386/lynx-ng.h
1364                 fi
1365                 xm_file=i386/xm-lynx.h
1366                 tmake_file=i386/t-i386bare
1367                 xmake_file=x-lynx
1368                 ;;
1369 changequote(,)dnl
1370         i[34567]86-*-mach*)
1371 changequote([,])dnl
1372                 tm_file=i386/mach.h
1373 #               tmake_file=t-libc-ok
1374                 use_collect2=yes
1375                 ;;
1376 changequote(,)dnl
1377         i[34567]86-*-osfrose*)          # 386 using OSF/rose
1378 changequote([,])dnl
1379                 if test x$elf = xyes
1380                 then
1381                         tm_file=i386/osfelf.h
1382                         use_collect2=
1383                 else
1384                         tm_file=i386/osfrose.h
1385                         use_collect2=yes
1386                 fi
1387                 xm_file="i386/xm-osf.h ${xm_file}"
1388                 xmake_file=i386/x-osfrose
1389                 tmake_file=i386/t-osf
1390                 extra_objs=halfpic.o
1391                 ;;
1392 changequote(,)dnl
1393         i[34567]86-go32-rtems*)
1394 changequote([,])dnl
1395                 cpu_type=i386
1396                 xm_file=i386/xm-go32.h
1397                 tm_file=i386/go32-rtems.h
1398                 tmake_file="i386/t-go32 t-rtems"
1399                 ;;
1400 changequote(,)dnl
1401         i[34567]86-*-rtemself*)
1402 changequote([,])dnl
1403                 cpu_type=i386
1404                 tm_file=i386/rtemself.h
1405                 tmake_file="i386/t-i386bare t-rtems"
1406                 ;;
1407 changequote(,)dnl
1408         i[34567]86-*-rtems*)
1409 changequote([,])dnl
1410                 cpu_type=i386
1411                 tm_file=i386/rtems.h
1412                 tmake_file="i386/t-i386bare t-rtems"
1413                 ;;
1414 changequote(,)dnl
1415         i[34567]86-*-sco3.2v5*) # 80386 running SCO Open Server 5
1416 changequote([,])dnl
1417                 xm_file="xm-siglist.h xm-alloca.h ${xm_file} i386/xm-sco5.h"
1418                 xm_defines="USG SVR3"
1419                 xmake_file=i386/x-sco5
1420                 install_headers_dir=install-headers-cpio
1421                 tm_file=i386/sco5.h
1422                 if test x$gas = xyes
1423                 then
1424                         tm_file="i386/sco5gas.h ${tm_file}"
1425                         tmake_file=i386/t-sco5gas
1426                 else
1427                         tmake_file=i386/t-sco5
1428                 fi
1429                 extra_parts="crti.o crtbegin.o crtend.o crtbeginS.o crtendS.o"
1430                 ;;
1431 changequote(,)dnl
1432         i[34567]86-*-sco3.2v4*)         # 80386 running SCO 3.2v4 system
1433 changequote([,])dnl
1434                 xm_file="${xm_file} i386/xm-sco.h"
1435                 xm_defines="USG SVR3 BROKEN_LDEXP SMALL_ARG_MAX NO_SYS_SIGLIST"
1436                 xmake_file=i386/x-sco4
1437                 install_headers_dir=install-headers-cpio
1438                 if test x$stabs = xyes
1439                 then
1440                         tm_file=i386/sco4dbx.h
1441                         tmake_file=i386/t-svr3dbx
1442                         extra_parts="svr3.ifile svr3z.rfile"
1443                 else
1444                         tm_file=i386/sco4.h
1445                         tmake_file=i386/t-crtstuff
1446                         extra_parts="crtbegin.o crtend.o"
1447                 fi
1448                 truncate_target=yes
1449                 ;;
1450 changequote(,)dnl
1451         i[34567]86-*-sco*)              # 80386 running SCO system
1452 changequote([,])dnl
1453                 xm_file=i386/xm-sco.h
1454                 xmake_file=i386/x-sco
1455                 install_headers_dir=install-headers-cpio
1456                 if test x$stabs = xyes
1457                 then
1458                         tm_file=i386/scodbx.h
1459                         tmake_file=i386/t-svr3dbx
1460                         extra_parts="svr3.ifile svr3z.rfile"
1461                 else
1462                         tm_file=i386/sco.h
1463                         extra_parts="crtbegin.o crtend.o"
1464                         tmake_file=i386/t-crtstuff
1465                 fi
1466                 truncate_target=yes
1467                 ;;
1468 changequote(,)dnl
1469         i[34567]86-*-solaris2*)
1470 changequote([,])dnl
1471                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1472                 xm_defines="USG POSIX SMALL_ARG_MAX"
1473                 if test x$stabs = xyes
1474                 then
1475                         tm_file=i386/sol2dbg.h
1476                 else
1477                         tm_file=i386/sol2.h
1478                 fi
1479                 tmake_file=i386/t-sol2
1480                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
1481                 xmake_file=x-svr4
1482                 if test x$enable_threads = xyes; then
1483                         thread_file='solaris'
1484                 fi
1485                 ;;
1486 changequote(,)dnl
1487        i[34567]86-*-sysv5*)           # Intel x86 on System V Release 5
1488 changequote([,])dnl
1489                xm_file="xm-alloca.h xm-siglist.h ${xm_file}"
1490                xm_defines="USG POSIX"
1491                tm_file=i386/sysv5.h
1492                if test x$stabs = xyes
1493                then
1494                        tm_file="${tm_file} dbx.h"
1495                fi
1496                tmake_file=i386/t-crtpic
1497                xmake_file=x-svr4
1498                extra_parts="crtbegin.o crtend.o"
1499                if test x$enable_threads = xyes; then
1500                        thread_file='posix'
1501                fi
1502                ;;
1503 changequote(,)dnl
1504         i[34567]86-*-sysv4*)            # Intel 80386's running system V.4
1505 changequote([,])dnl
1506                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1507                 xm_defines="USG POSIX SMALL_ARG_MAX"
1508                 tm_file=i386/sysv4.h
1509                 if test x$stabs = xyes
1510                 then
1511                         tm_file="${tm_file} dbx.h"
1512                 fi
1513                 tmake_file=i386/t-crtpic
1514                 xmake_file=x-svr4
1515                 extra_parts="crtbegin.o crtend.o"
1516                 ;;
1517 changequote(,)dnl
1518         i[34567]86-*-udk*)      # Intel x86 on SCO UW/OSR5 Dev Kit
1519 changequote([,])dnl
1520                 xm_file="xm-alloca.h xm-siglist.h ${xm_file}"
1521                 xm_defines="USG POSIX"
1522                 tm_file=i386/udk.h
1523                 tmake_file="i386/t-crtpic i386/t-udk"
1524                 xmake_file=x-svr4
1525                 extra_parts="crtbegin.o crtend.o"
1526                 install_headers_dir=install-headers-cpio
1527                 ;;
1528 changequote(,)dnl
1529         i[34567]86-*-osf1*)             # Intel 80386's running OSF/1 1.3+
1530 changequote([,])dnl
1531                 cpu_type=i386
1532                 xm_file="${xm_file} xm-svr4.h i386/xm-sysv4.h i386/xm-osf1elf.h"
1533                 xm_defines="USE_C_ALLOCA SMALL_ARG_MAX"
1534                 if test x$stabs = xyes
1535                 then
1536                         tm_file=i386/osf1elfgdb.h
1537                 else
1538                         tm_file=i386/osf1elf.h
1539                 fi
1540                 tmake_file=i386/t-osf1elf
1541                 xmake_file=i386/x-osf1elf
1542                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
1543                 ;;
1544 changequote(,)dnl
1545         i[34567]86-*-sysv*)             # Intel 80386's running system V
1546 changequote([,])dnl
1547                 xm_defines="USG SVR3"
1548                 xmake_file=i386/x-sysv3
1549                 if test x$gas = xyes
1550                 then
1551                         if test x$stabs = xyes
1552                         then
1553                                 tm_file=i386/svr3dbx.h
1554                                 tmake_file=i386/t-svr3dbx
1555                                 extra_parts="svr3.ifile svr3z.rfile"
1556                         else
1557                                 tm_file=i386/svr3gas.h
1558                                 extra_parts="crtbegin.o crtend.o"
1559                                 tmake_file=i386/t-crtstuff
1560                         fi
1561                 else
1562                         tm_file=i386/sysv3.h
1563                         extra_parts="crtbegin.o crtend.o"
1564                         tmake_file=i386/t-crtstuff
1565                 fi
1566                 ;;
1567         i386-*-vsta)                    # Intel 80386's running VSTa kernel
1568                 xm_file="${xm_file} i386/xm-vsta.h"
1569                 tm_file=i386/vsta.h
1570                 tmake_file=i386/t-vsta
1571                 xmake_file=i386/x-vsta
1572                 ;;
1573 changequote(,)dnl
1574         i[34567]86-*-win32)
1575 changequote([,])dnl
1576                 xm_file="${xm_file} i386/xm-cygwin.h"
1577                 tmake_file=i386/t-cygwin
1578                 tm_file=i386/win32.h
1579                 xmake_file=i386/x-cygwin
1580                 extra_objs=winnt.o
1581                 if test x$enable_threads = xyes; then
1582                         thread_file='win32'
1583                 fi
1584                 exeext=.exe
1585                 ;;
1586 changequote(,)dnl
1587         i[34567]86-*-pe | i[34567]86-*-cygwin*)
1588 changequote([,])dnl
1589                 xm_file="${xm_file} i386/xm-cygwin.h"
1590                 tmake_file=i386/t-cygwin
1591                 tm_file=i386/cygwin.h
1592                 xmake_file=i386/x-cygwin
1593                 extra_objs=winnt.o
1594                 if test x$enable_threads = xyes; then
1595                         thread_file='win32'
1596                 fi
1597                 exeext=.exe
1598                 ;;
1599 changequote(,)dnl
1600         i[34567]86-*-mingw32*)
1601 changequote([,])dnl
1602                 tm_file=i386/mingw32.h
1603                 xm_file="${xm_file} i386/xm-mingw32.h"
1604                 tmake_file="i386/t-cygwin i386/t-mingw32"
1605                 extra_objs=winnt.o
1606                 xmake_file=i386/x-cygwin
1607                 if test x$enable_threads = xyes; then
1608                         thread_file='win32'
1609                 fi
1610                 exeext=.exe
1611                 case $machine in
1612                         *mingw32msv*)
1613                                 ;;
1614                         *minwg32crt* | *mingw32*)
1615                                 tm_file="${tm_file} i386/crtdll.h"
1616                                 ;;
1617                 esac
1618                 ;;
1619 changequote(,)dnl
1620         i[34567]86-*-uwin*)
1621 changequote([,])dnl
1622                 tm_file=i386/uwin.h
1623                 xm_file="${xm_file} i386/xm-uwin.h"
1624                 xm_defines="USG NO_STAB_H NO_SYS_SIGLIST"
1625                 tmake_file="i386/t-cygwin i386/t-uwin"
1626                 extra_objs=winnt.o
1627                 xmake_file=i386/x-cygwin
1628                 if test x$enable_threads = xyes; then
1629                         thread_file='win32'
1630                 fi
1631                 exeext=.exe
1632                 ;;
1633 changequote(,)dnl
1634         i[34567]86-*-interix*)
1635 changequote([,])dnl
1636                 tm_file="i386/i386-interix.h interix.h"
1637                 xm_file="i386/xm-i386-interix.h xm-interix.h"
1638                 xm_defines="USG NO_SYS_SIGLIST"
1639                 tmake_file="i386/t-interix"
1640                 extra_objs=interix.o
1641                 xmake_file=x-interix
1642                 if test x$enable_threads = xyes ; then
1643                         thread_file='posix'
1644                 fi
1645                 if test x$stabs = xyes ; then
1646                         tm_file="${tm_file} dbxcoff.h"
1647                 fi
1648                 ;;
1649 changequote(,)dnl
1650         i[34567]86-*-winnt3*)
1651 changequote([,])dnl
1652                 tm_file=i386/win-nt.h
1653                 out_file=i386/i386.c
1654                 xm_file="xm-winnt.h ${xm_file}"
1655                 xmake_file=winnt/x-winnt
1656                 tmake_file=i386/t-winnt
1657                 extra_host_objs="winnt.o oldnames.o"
1658                 extra_gcc_objs="spawnv.o oldnames.o"
1659                 if test x$gnu_ld != xyes
1660                 then
1661                         extra_programs=ld.exe
1662                 fi
1663                 if test x$enable_threads = xyes; then
1664                         thread_file='win32'
1665                 fi
1666                 ;;
1667 changequote(,)dnl
1668         i[34567]86-dg-dgux*)
1669 changequote([,])dnl
1670                 xm_file="xm-alloca.h xm-siglist.h ${xm_file}"
1671                 xm_defines="USG POSIX"
1672                 out_file=i386/dgux.c
1673                 tm_file=i386/dgux.h
1674                 tmake_file=i386/t-dgux
1675                 xmake_file=i386/x-dgux
1676                 install_headers_dir=install-headers-cpio
1677               ;;
1678         i860-alliant-*)         # Alliant FX/2800
1679                 tm_file="${tm_file} svr4.h i860/sysv4.h i860/fx2800.h"
1680                 xm_file="${xm_file}"
1681                 xmake_file=i860/x-fx2800
1682                 tmake_file=i860/t-fx2800
1683                 extra_parts="crtbegin.o crtend.o"
1684                 ;;
1685         i860-*-bsd*)
1686                 tm_file="${tm_file} i860/bsd.h"
1687                 if test x$gas = xyes
1688                 then
1689                         tm_file="${tm_file} i860/bsd-gas.h"
1690                 fi
1691                 use_collect2=yes
1692                 ;;
1693         i860-*-mach*)
1694                 tm_file="${tm_file} i860/mach.h"
1695                 tmake_file=t-libc-ok
1696                 ;;
1697         i860-*-osf*)                    # Intel Paragon XP/S, OSF/1AD
1698                 tm_file="${tm_file} svr3.h i860/paragon.h"
1699                 xm_defines="USG SVR3"
1700                 tmake_file=t-osf
1701                 ;;
1702         i860-*-sysv3*)
1703                 tm_file="${tm_file} svr3.h i860/sysv3.h"
1704                 xm_defines="USG SVR3"
1705                 xmake_file=i860/x-sysv3
1706                 extra_parts="crtbegin.o crtend.o"
1707                 ;;
1708         i860-*-sysv4*)
1709                 tm_file="${tm_file} svr4.h i860/sysv4.h"
1710                 xm_defines="USG SVR3"
1711                 xmake_file=i860/x-sysv4
1712                 tmake_file=t-svr4
1713                 extra_parts="crtbegin.o crtend.o"
1714                 ;;
1715         i960-wrs-vxworks5 | i960-wrs-vxworks5.0*)
1716                 tm_file="${tm_file} i960/vx960.h"
1717                 tmake_file=i960/t-vxworks960
1718                 use_collect2=yes
1719                 thread_file='vxworks'
1720                 ;;
1721         i960-wrs-vxworks5* | i960-wrs-vxworks)
1722                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h i960/vx960-coff.h"
1723                 tmake_file=i960/t-vxworks960
1724                 use_collect2=yes
1725                 thread_file='vxworks'
1726                 ;;
1727         i960-wrs-vxworks*)
1728                 tm_file="${tm_file} i960/vx960.h"
1729                 tmake_file=i960/t-vxworks960
1730                 use_collect2=yes
1731                 thread_file='vxworks'
1732                 ;;
1733         i960-*-coff*)
1734                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h libgloss.h"
1735                 tmake_file=i960/t-960bare
1736                 use_collect2=yes
1737                 ;;
1738         i960-*-rtems)
1739                 tmake_file="i960/t-960bare t-rtems"
1740                 tm_file="${tm_file} dbxcoff.h i960/rtems.h"
1741                 use_collect2=yes
1742                 ;;
1743         i960-*-*)                       # Default i960 environment.
1744                 use_collect2=yes
1745                 ;;
1746         m32r-*-elf*)
1747                 extra_parts="crtinit.o crtfini.o"
1748                 ;;
1749         m68000-convergent-sysv*)
1750                 tm_file=m68k/ctix.h
1751                 xm_file="m68k/xm-3b1.h ${xm_file}"
1752                 xm_defines=USG
1753                 use_collect2=yes
1754                 extra_headers=math-68881.h
1755                 ;;
1756         m68000-hp-bsd*)                 # HP 9000/200 running BSD
1757                 tm_file=m68k/hp2bsd.h
1758                 xmake_file=m68k/x-hp2bsd
1759                 use_collect2=yes
1760                 extra_headers=math-68881.h
1761                 ;;
1762         m68000-hp-hpux*)                # HP 9000 series 300
1763                 xm_file="xm_alloca.h ${xm_file}"
1764                 xm_defines="USG NO_SYS_SIGLIST"
1765                 if test x$gas = xyes
1766                 then
1767                         xmake_file=m68k/x-hp320g
1768                         tm_file=m68k/hp310g.h
1769                 else
1770                         xmake_file=m68k/x-hp320
1771                         tm_file=m68k/hp310.h
1772                 fi
1773                 install_headers_dir=install-headers-cpio
1774                 use_collect2=yes
1775                 extra_headers=math-68881.h
1776                 ;;
1777         m68000-sun-sunos3*)
1778                 tm_file=m68k/sun2.h
1779                 use_collect2=yes
1780                 extra_headers=math-68881.h
1781                 ;;
1782         m68000-sun-sunos4*)
1783                 tm_file=m68k/sun2o4.h
1784                 use_collect2=yes
1785                 extra_headers=math-68881.h
1786                 ;;
1787         m68000-att-sysv*)
1788                 xm_file="m68k/xm-3b1.h ${xm_file}"
1789                 xm_defines=USG
1790                 if test x$gas = xyes
1791                 then
1792                         tm_file=m68k/3b1g.h
1793                 else
1794                         tm_file=m68k/3b1.h
1795                 fi
1796                 use_collect2=yes
1797                 extra_headers=math-68881.h
1798                 ;;
1799         m68k-apple-aux*)                # Apple Macintosh running A/UX
1800                 xm_defines="USG AUX"
1801                 tmake_file=m68k/t-aux
1802                 install_headers_dir=install-headers-cpio
1803                 extra_headers=math-68881.h
1804                 extra_parts="crt1.o mcrt1.o maccrt1.o crt2.o crtn.o"
1805                 tm_file=
1806                 if test "$gnu_ld" = yes
1807                 then
1808                         tm_file="${tm_file} m68k/auxgld.h"
1809                 else
1810                         tm_file="${tm_file} m68k/auxld.h"
1811                 fi
1812                 if test "$gas" = yes
1813                 then
1814                         tm_file="${tm_file} m68k/auxgas.h"
1815                 else
1816                         tm_file="${tm_file} m68k/auxas.h"
1817                 fi
1818                 tm_file="${tm_file} m68k/a-ux.h"
1819                 float_format=m68k
1820                 ;;
1821         m68k-apollo-*)
1822                 tm_file=m68k/apollo68.h
1823                 xmake_file=m68k/x-apollo68
1824                 use_collect2=yes
1825                 extra_headers=math-68881.h
1826                 float_format=m68k
1827                 ;;
1828         m68k-altos-sysv*)                  # Altos 3068
1829                 if test x$gas = xyes
1830                 then
1831                         tm_file=m68k/altos3068.h
1832                         xm_defines=USG
1833                 else
1834                         echo "The Altos is supported only with the GNU assembler" 1>&2
1835                         exit 1
1836                 fi
1837                 extra_headers=math-68881.h
1838                 ;;
1839         m68k-bull-sysv*)                # Bull DPX/2
1840                 if test x$gas = xyes
1841                 then
1842                         if test x$stabs = xyes
1843                         then
1844                                 tm_file=m68k/dpx2cdbx.h
1845                         else
1846                                 tm_file=m68k/dpx2g.h
1847                         fi
1848                 else
1849                         tm_file=m68k/dpx2.h
1850                 fi
1851                 xm_file="xm-alloca.h ${xm_file}"
1852                 xm_defines=USG
1853                 xmake_file=m68k/x-dpx2
1854                 use_collect2=yes
1855                 extra_headers=math-68881.h
1856                 ;;
1857         m68k-atari-sysv4*)              # Atari variant of V.4.
1858                 tm_file=m68k/atari.h
1859                 xm_file="xm-alloca.h ${xm_file}"
1860                 xm_defines="USG FULL_PROTOTYPES"
1861                 tmake_file=t-svr4
1862                 extra_parts="crtbegin.o crtend.o"
1863                 extra_headers=math-68881.h
1864                 float_format=m68k
1865                 ;;
1866         m68k-motorola-sysv*)
1867                 tm_file=m68k/mot3300.h
1868                 xm_file="xm-alloca.h m68k/xm-mot3300.h ${xm_file}"
1869                 xm_defines=NO_SYS_SIGLIST
1870                 if test x$gas = xyes
1871                 then
1872                         xmake_file=m68k/x-mot3300-gas
1873                         if test x$gnu_ld = xyes
1874                         then
1875                                 tmake_file=m68k/t-mot3300-gald
1876                         else
1877                                 tmake_file=m68k/t-mot3300-gas
1878                                 use_collect2=yes
1879                         fi
1880                 else
1881                         xmake_file=m68k/x-mot3300
1882                         if test x$gnu_ld = xyes
1883                         then
1884                                 tmake_file=m68k/t-mot3300-gld
1885                         else
1886                                 tmake_file=m68k/t-mot3300
1887                                 use_collect2=yes
1888                         fi
1889                 fi
1890                 gdb_needs_out_file_path=yes
1891                 extra_parts="crt0.o mcrt0.o"
1892                 extra_headers=math-68881.h
1893                 float_format=m68k
1894                 ;;
1895         m68k-ncr-sysv*)                 # NCR Tower 32 SVR3
1896                 tm_file=m68k/tower-as.h
1897                 xm_defines="USG SVR3"
1898                 xmake_file=m68k/x-tower
1899                 extra_parts="crtbegin.o crtend.o"
1900                 extra_headers=math-68881.h
1901                 ;;
1902         m68k-plexus-sysv*)
1903                 tm_file=m68k/plexus.h
1904                 xm_file="xm-alloca.h m68k/xm-plexus.h ${xm_file}"
1905                 xm_defines=USG
1906                 use_collect2=yes
1907                 extra_headers=math-68881.h
1908                 ;;
1909         m68k-tti-*)
1910                 tm_file=m68k/pbb.h
1911                 xm_file="xm-alloca.h ${xm_file}"
1912                 xm_defines=USG
1913                 extra_headers=math-68881.h
1914                 ;;
1915         m68k-crds-unos*)
1916                 xm_file="xm-alloca.h m68k/xm-crds.h ${xm_file}"
1917                 xm_defines="USG unos"
1918                 xmake_file=m68k/x-crds
1919                 tm_file=m68k/crds.h
1920                 use_collect2=yes
1921                 extra_headers=math-68881.h
1922                 ;;
1923         m68k-cbm-sysv4*)                # Commodore variant of V.4.
1924                 tm_file=m68k/amix.h
1925                 xm_file="xm-alloca.h ${xm_file}"
1926                 xm_defines="USG FULL_PROTOTYPES"
1927                 xmake_file=m68k/x-amix
1928                 tmake_file=t-svr4
1929                 extra_parts="crtbegin.o crtend.o"
1930                 extra_headers=math-68881.h
1931                 float_format=m68k
1932                 ;;
1933         m68k-ccur-rtu)
1934                 tm_file=m68k/ccur-GAS.h
1935                 xmake_file=m68k/x-ccur
1936                 extra_headers=math-68881.h
1937                 use_collect2=yes
1938                 float_format=m68k
1939                 ;;
1940         m68k-hp-bsd4.4*)                # HP 9000/3xx running 4.4bsd
1941                 tm_file=m68k/hp3bsd44.h
1942                 xmake_file=m68k/x-hp3bsd44
1943                 use_collect2=yes
1944                 extra_headers=math-68881.h
1945                 float_format=m68k
1946                 ;;
1947         m68k-hp-bsd*)                   # HP 9000/3xx running Berkeley Unix
1948                 tm_file=m68k/hp3bsd.h
1949                 use_collect2=yes
1950                 extra_headers=math-68881.h
1951                 float_format=m68k
1952                 ;;
1953         m68k-isi-bsd*)
1954                 if test x$with_fp = xno
1955                 then
1956                         tm_file=m68k/isi-nfp.h
1957                 else
1958                         tm_file=m68k/isi.h
1959                         float_format=m68k
1960                 fi
1961                 use_collect2=yes
1962                 extra_headers=math-68881.h
1963                 ;;
1964         m68k-hp-hpux7*) # HP 9000 series 300 running HPUX version 7.
1965                 xm_file="xm_alloca.h ${xm_file}"
1966                 xm_defines="USG NO_SYS_SIGLIST"
1967                 if test x$gas = xyes
1968                 then
1969                         xmake_file=m68k/x-hp320g
1970                         tm_file=m68k/hp320g.h
1971                 else
1972                         xmake_file=m68k/x-hp320
1973                         tm_file=m68k/hpux7.h
1974                 fi
1975                 install_headers_dir=install-headers-cpio
1976                 use_collect2=yes
1977                 extra_headers=math-68881.h
1978                 float_format=m68k
1979                 ;;
1980         m68k-hp-hpux*)  # HP 9000 series 300
1981                 xm_file="xm_alloca.h ${xm_file}"
1982                 xm_defines="USG NO_SYS_SIGLIST"
1983                 if test x$gas = xyes
1984                 then
1985                         xmake_file=m68k/x-hp320g
1986                         tm_file=m68k/hp320g.h
1987                 else
1988                         xmake_file=m68k/x-hp320
1989                         tm_file=m68k/hp320.h
1990                 fi
1991                 install_headers_dir=install-headers-cpio
1992                 use_collect2=yes
1993                 extra_headers=math-68881.h
1994                 float_format=m68k
1995                 ;;
1996         m68k-sun-mach*)
1997                 tm_file=m68k/sun3mach.h
1998                 use_collect2=yes
1999                 extra_headers=math-68881.h
2000                 float_format=m68k
2001                 ;;
2002         m68k-sony-newsos3*)
2003                 if test x$gas = xyes
2004                 then
2005                         tm_file=m68k/news3gas.h
2006                 else
2007                         tm_file=m68k/news3.h
2008                 fi
2009                 use_collect2=yes
2010                 extra_headers=math-68881.h
2011                 float_format=m68k
2012                 ;;
2013         m68k-sony-bsd* | m68k-sony-newsos*)
2014                 if test x$gas = xyes
2015                 then
2016                         tm_file=m68k/newsgas.h
2017                 else
2018                         tm_file=m68k/news.h
2019                 fi
2020                 use_collect2=yes
2021                 extra_headers=math-68881.h
2022                 float_format=m68k
2023                 ;;
2024         m68k-next-nextstep2*)
2025                 tm_file=m68k/next21.h
2026                 xm_file="m68k/xm-next.h ${xm_file}"
2027                 tmake_file=m68k/t-next
2028                 xmake_file=m68k/x-next
2029                 extra_objs=nextstep.o
2030                 extra_headers=math-68881.h
2031                 use_collect2=yes
2032                 float_format=m68k
2033                 ;;
2034         m68k-next-nextstep3*)
2035                 tm_file=m68k/next.h
2036                 xm_file="m68k/xm-next.h ${xm_file}"
2037                 tmake_file=m68k/t-next
2038                 xmake_file=m68k/x-next
2039                 extra_objs=nextstep.o
2040                 extra_parts="crtbegin.o crtend.o"
2041                 extra_headers=math-68881.h
2042                 float_format=m68k
2043                 if test x$enable_threads = xyes; then
2044                         thread_file='mach'
2045                 fi
2046                 ;;
2047         m68k-sun-sunos3*)
2048                 if test x$with_fp = xno
2049                 then
2050                         tm_file=m68k/sun3n3.h
2051                 else
2052                         tm_file=m68k/sun3o3.h
2053                         float_format=m68k
2054                 fi
2055                 use_collect2=yes
2056                 extra_headers=math-68881.h
2057                 ;;
2058         m68k-sun-sunos*)                        # For SunOS 4 (the default).
2059                 if test x$with_fp = xno
2060                 then
2061                         tm_file=m68k/sun3n.h
2062                 else
2063                         tm_file=m68k/sun3.h
2064                         float_format=m68k
2065                 fi
2066                 use_collect2=yes
2067                 extra_headers=math-68881.h
2068                 ;;
2069         m68k-wrs-vxworks*)
2070                 tm_file=m68k/vxm68k.h
2071                 tmake_file=m68k/t-vxworks68
2072                 extra_headers=math-68881.h
2073                 thread_file='vxworks'
2074                 float_format=m68k
2075                 ;;
2076         m68k-*-aout*)
2077                 tmake_file=m68k/t-m68kbare
2078                 tm_file="m68k/m68k-aout.h libgloss.h"
2079                 extra_headers=math-68881.h
2080                 float_format=m68k
2081                 ;;
2082         m68k-*-coff*)
2083                 tmake_file=m68k/t-m68kbare
2084                 tm_file="m68k/m68k-coff.h dbx.h libgloss.h"
2085                 extra_headers=math-68881.h
2086                 float_format=m68k
2087                 ;;
2088         m68020-*-elf* | m68k-*-elf*)
2089                 tm_file="m68k/m68020-elf.h"
2090                 xm_file=m68k/xm-m68kv.h
2091                 tmake_file=m68k/t-m68kelf
2092                 header_files=math-68881.h
2093                 ;;
2094         m68k-*-lynxos*)
2095                 if test x$gas = xyes
2096                 then
2097                         tm_file=m68k/lynx.h
2098                 else
2099                         tm_file=m68k/lynx-ng.h
2100                 fi
2101                 xm_file=m68k/xm-lynx.h
2102                 xmake_file=x-lynx
2103                 tmake_file=m68k/t-lynx
2104                 extra_headers=math-68881.h
2105                 float_format=m68k
2106                 ;;
2107         m68k*-*-netbsd*)
2108                 tm_file=m68k/netbsd.h
2109                 tmake_file=t-netbsd
2110                 float_format=m68k
2111        use_collect2=yes
2112                 ;;
2113         m68k*-*-openbsd*)
2114                 float_format=m68k
2115                 # we need collect2 until our bug is fixed...
2116                 use_collect2=yes
2117                 ;;
2118         m68k-*-sysv3*)                  # Motorola m68k's running system V.3
2119                 xm_file="xm-alloca.h ${xm_file}"
2120                 xm_defines=USG
2121                 xmake_file=m68k/x-m68kv
2122                 extra_parts="crtbegin.o crtend.o"
2123                 extra_headers=math-68881.h
2124                 float_format=m68k
2125                 ;;
2126         m68k-*-sysv4*)                  # Motorola m68k's running system V.4
2127                 tm_file=m68k/m68kv4.h
2128                 xm_file="xm-alloca.h ${xm_file}"
2129                 xm_defines=USG
2130                 tmake_file=t-svr4
2131                 extra_parts="crtbegin.o crtend.o"
2132                 extra_headers=math-68881.h
2133                 float_format=m68k
2134                 ;;
2135         m68k-*-linux-gnuaout*)          # Motorola m68k's running GNU/Linux
2136                                         # with a.out format
2137                 xmake_file=x-linux
2138                 tm_file=m68k/linux-aout.h
2139                 tmake_file="t-linux-aout m68k/t-linux-aout"
2140                 extra_headers=math-68881.h
2141                 float_format=m68k
2142                 gnu_ld=yes
2143                 ;;
2144         m68k-*-linux-gnulibc1)          # Motorola m68k's running GNU/Linux
2145                                         # with ELF format using the
2146                                         # GNU/Linux C library 5
2147                 xmake_file=x-linux
2148                 tm_file=m68k/linux.h
2149                 tmake_file="t-linux t-linux-gnulibc1 m68k/t-linux"
2150                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2151                 extra_headers=math-68881.h
2152                 float_format=m68k
2153                 gnu_ld=yes
2154                 ;;
2155         m68k-*-linux-gnu*)              # Motorola m68k's running GNU/Linux
2156                                         # with ELF format using glibc 2
2157                                         # aka the GNU/Linux C library 6.
2158                 xmake_file=x-linux
2159                 tm_file=m68k/linux.h
2160                 tmake_file="t-linux m68k/t-linux"
2161                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2162                 extra_headers=math-68881.h
2163                 float_format=m68k
2164                 gnu_ld=yes
2165                 if test x$enable_threads = xyes; then
2166                         thread_file='posix'
2167                 fi
2168                 ;;
2169         m68k-*-psos*)
2170                 tmake_file=m68k/t-m68kbare
2171                 tm_file=m68k/m68k-psos.h
2172                 extra_headers=math-68881.h
2173                 float_format=m68k
2174                 ;;
2175         m68k-*-rtems*)
2176                 tmake_file="m68k/t-m68kbare t-rtems"
2177                 tm_file=m68k/rtems.h
2178                 extra_headers=math-68881.h
2179                 float_format=m68k
2180                 ;;
2181
2182         m88k-dg-dgux*)
2183                 case $machine in
2184                   m88k-dg-dguxbcs*)
2185                     tm_file=m88k/dguxbcs.h
2186                     tmake_file=m88k/t-dguxbcs
2187                     ;;
2188                   *)
2189                     tm_file=m88k/dgux.h
2190                     tmake_file=m88k/t-dgux
2191                     ;;
2192                 esac
2193                 extra_parts="crtbegin.o bcscrtbegin.o crtend.o m88kdgux.ld"
2194                 xmake_file=m88k/x-dgux
2195                 if test x$gas = xyes
2196                 then
2197                         tmake_file=m88k/t-dgux-gas
2198                 fi
2199                 ;;
2200         m88k-dolphin-sysv3*)
2201                 tm_file=m88k/dolph.h
2202                 extra_parts="crtbegin.o crtend.o"
2203                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2204                 xmake_file=m88k/x-dolph
2205                 if test x$gas = xyes
2206                 then
2207                         tmake_file=m88k/t-m88k-gas
2208                 fi
2209                 ;;
2210         m88k-tektronix-sysv3)
2211                 tm_file=m88k/tekXD88.h
2212                 extra_parts="crtbegin.o crtend.o"
2213                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2214                 xmake_file=m88k/x-tekXD88
2215                 if test x$gas = xyes
2216                 then
2217                         tmake_file=m88k/t-m88k-gas
2218                 fi
2219                 ;;
2220         m88k-*-aout*)
2221                 tm_file=m88k/m88k-aout.h
2222                 ;;
2223         m88k-*-coff*)
2224                 tm_file=m88k/m88k-coff.h
2225                 tmake_file=m88k/t-bug
2226                 ;;
2227         m88k-*-luna*)
2228                 tm_file=m88k/luna.h
2229                 extra_parts="crtbegin.o crtend.o"
2230                 if test x$gas = xyes
2231                 then
2232                         tmake_file=m88k/t-luna-gas
2233                 else
2234                         tmake_file=m88k/t-luna
2235                 fi
2236                 ;;
2237         m88k-*-openbsd*)
2238                 tmake_file="${tmake_file} m88k/t-luna-gas"
2239                 ;;
2240         m88k-*-sysv3*)
2241                 tm_file=m88k/sysv3.h
2242                 extra_parts="crtbegin.o crtend.o"
2243                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2244                 xmake_file=m88k/x-sysv3
2245                 if test x$gas = xyes
2246                 then
2247                         tmake_file=m88k/t-m88k-gas
2248                 fi
2249                 ;;
2250         m88k-*-sysv4*)
2251                 tm_file=m88k/sysv4.h
2252                 extra_parts="crtbegin.o crtend.o"
2253                 xmake_file=m88k/x-sysv4
2254                 tmake_file=m88k/t-sysv4
2255                 ;;
2256         mips-sgi-irix6*)                # SGI System V.4., IRIX 6
2257                 if test "x$gnu_ld" = xyes
2258                 then
2259                         tm_file="mips/iris6.h mips/iris6gld.h"
2260                 else
2261                         tm_file=mips/iris6.h
2262                 fi
2263                 tmake_file=mips/t-iris6
2264                 xm_file=mips/xm-iris6.h
2265                 xmake_file=mips/x-iris6
2266 #               if test x$enable_threads = xyes; then
2267 #                       thread_file='irix'
2268 #               fi
2269                 ;;
2270         mips-wrs-vxworks)
2271                 tm_file="mips/elf.h mips/vxworks.h"
2272                 tmake_file=mips/t-ecoff
2273                 gas=yes
2274                 gnu_ld=yes
2275                 extra_parts="crtbegin.o crtend.o"
2276                 thread_file='vxworks'
2277                 ;;
2278         mips-sgi-irix5cross64)          # Irix5 host, Irix 6 target, cross64
2279                 tm_file="mips/iris6.h mips/cross64.h"
2280                 xm_defines=USG
2281                 xm_file="mips/xm-iris5.h"
2282                 xmake_file=mips/x-iris
2283                 tmake_file=mips/t-cross64
2284                 # See comment in mips/iris[56].h files.
2285                 use_collect2=yes
2286 #               if test x$enable_threads = xyes; then
2287 #                       thread_file='irix'
2288 #               fi
2289                 ;;
2290         mips-sni-sysv4)
2291                 if test x$gas = xyes
2292                 then
2293                         if test x$stabs = xyes
2294                         then
2295                                 tm_file=mips/iris5gdb.h
2296                         else
2297                                 tm_file="mips/sni-svr4.h mips/sni-gas.h"
2298                         fi
2299                 else
2300                         tm_file=mips/sni-svr4.h
2301                 fi
2302                 xm_defines=USG
2303                 xmake_file=mips/x-sni-svr4
2304                 tmake_file=mips/t-mips-gas
2305                 if test x$gnu_ld != xyes
2306                 then
2307                         use_collect2=yes
2308                 fi
2309                 ;;
2310         mips-sgi-irix5*)                # SGI System V.4., IRIX 5
2311                 if test x$gas = xyes
2312                 then
2313                         tm_file="mips/iris5.h mips/iris5gas.h"
2314                         if test x$stabs = xyes
2315                         then
2316                                 tm_file="${tm_file} dbx.h"
2317                         fi
2318                 else
2319                         tm_file=mips/iris5.h
2320                 fi
2321                 xm_defines=USG
2322                 xm_file="mips/xm-iris5.h"
2323                 xmake_file=mips/x-iris
2324                 # mips-tfile doesn't work yet
2325                 tmake_file=mips/t-mips-gas
2326                 # See comment in mips/iris5.h file.
2327                 use_collect2=yes
2328 #               if test x$enable_threads = xyes; then
2329 #                       thread_file='irix'
2330 #               fi
2331                 ;;
2332         mips-sgi-irix4loser*)           # Mostly like a MIPS.
2333                 tm_file="mips/iris4loser.h mips/iris3.h ${tm_file} mips/iris4.h"
2334                 if test x$stabs = xyes; then
2335                         tm_file="${tm_file} dbx.h"
2336                 fi
2337                 xm_defines=USG
2338                 xmake_file=mips/x-iris
2339                 if test x$gas = xyes
2340                 then
2341                         tmake_file=mips/t-mips-gas
2342                 else
2343                         extra_passes="mips-tfile mips-tdump"
2344                 fi
2345                 if test x$gnu_ld != xyes
2346                 then
2347                         use_collect2=yes
2348                 fi
2349 #               if test x$enable_threads = xyes; then
2350 #                       thread_file='irix'
2351 #               fi
2352                 ;;
2353         mips-sgi-irix4*)                # Mostly like a MIPS.
2354                 tm_file="mips/iris3.h ${tm_file} mips/iris4.h"
2355                 if test x$stabs = xyes; then
2356                         tm_file="${tm_file} dbx.h"
2357                 fi
2358                 xm_defines=USG
2359                 xmake_file=mips/x-iris
2360                 if test x$gas = xyes
2361                 then
2362                         tmake_file=mips/t-mips-gas
2363                 else
2364                         extra_passes="mips-tfile mips-tdump"
2365                 fi
2366                 if test x$gnu_ld != xyes
2367                 then
2368                         use_collect2=yes
2369                 fi
2370 #               if test x$enable_threads = xyes; then
2371 #                       thread_file='irix'
2372 #               fi
2373                 ;;
2374         mips-sgi-*)                     # Mostly like a MIPS.
2375                 tm_file="mips/iris3.h ${tm_file}"
2376                 if test x$stabs = xyes; then
2377                         tm_file="${tm_file} dbx.h"
2378                 fi
2379                 xm_defines=USG
2380                 xmake_file=mips/x-iris3
2381                 if test x$gas = xyes
2382                 then
2383                         tmake_file=mips/t-mips-gas
2384                 else
2385                         extra_passes="mips-tfile mips-tdump"
2386                 fi
2387                 if test x$gnu_ld != xyes
2388                 then
2389                         use_collect2=yes
2390                 fi
2391                 ;;
2392         mips-dec-osfrose*)              # Decstation running OSF/1 reference port with OSF/rose.
2393                 tm_file="mips/osfrose.h ${tm_file}"
2394                 xmake_file=mips/x-osfrose
2395                 tmake_file=mips/t-osfrose
2396                 extra_objs=halfpic.o
2397                 use_collect2=yes
2398                 ;;
2399         mips-dec-osf*)                  # Decstation running OSF/1 as shipped by DIGITAL
2400                 tm_file=mips/dec-osf1.h
2401                 if test x$stabs = xyes; then
2402                         tm_file="${tm_file} dbx.h"
2403                 fi
2404                 xmake_file=mips/x-dec-osf1
2405                 if test x$gas = xyes
2406                 then
2407                         tmake_file=mips/t-mips-gas
2408                 else
2409                         tmake_file=mips/t-ultrix
2410                         extra_passes="mips-tfile mips-tdump"
2411                 fi
2412                 if test x$gnu_ld != xyes
2413                 then
2414                         use_collect2=yes
2415                 fi
2416                 ;;
2417         mips-dec-bsd*)                  # Decstation running 4.4 BSD
2418               tm_file=mips/dec-bsd.h
2419               if test x$gas = xyes
2420               then
2421                         tmake_file=mips/t-mips-gas
2422               else
2423                         tmake_file=mips/t-ultrix
2424                         extra_passes="mips-tfile mips-tdump"
2425               fi
2426               if test x$gnu_ld != xyes
2427               then
2428                         use_collect2=yes
2429               fi
2430               ;;
2431         mipsel-*-netbsd* | mips-dec-netbsd*)    # Decstation running NetBSD
2432                 tm_file=mips/netbsd.h
2433                 # On NetBSD, the headers are already okay, except for math.h.
2434                 tmake_file=t-netbsd
2435                 ;;
2436        mips*-*-linux*)                         # Linux MIPS, either endian.
2437                 xmake_file=x-linux
2438                 xm_file="xm-siglist.h ${xm_file}"
2439                case $machine in
2440                        mipsel-*)  tm_file="mips/elfl.h mips/linux.h" ;;
2441                        *)         tm_file="mips/elf.h mips/linux.h" ;;
2442                esac
2443                 extra_parts="crtbegin.o crtend.o"
2444                 gnu_ld=yes
2445                 gas=yes
2446                 ;;
2447         mips*el-*-openbsd*)     # mips little endian
2448                 target_cpu_default="MASK_GAS|MASK_ABICALLS"
2449                 tm_file=mips/openbsd.h
2450                 ;;
2451         mips*-*-openbsd*)               # mips big endian
2452                 target_cpu_default="MASK_GAS|MASK_ABICALLS"
2453                 tm_file=mips/openbsd-be.h
2454                 ;;
2455         mips-sony-bsd* | mips-sony-newsos*)     # Sony NEWS 3600 or risc/news.
2456                 tm_file="mips/news4.h ${tm_file}"
2457                 if test x$stabs = xyes; then
2458                         tm_file="${tm_file} dbx.h"
2459                 fi
2460                 if test x$gas = xyes
2461                 then
2462                         tmake_file=mips/t-mips-gas
2463                 else
2464                         extra_passes="mips-tfile mips-tdump"
2465                 fi
2466                 if test x$gnu_ld != xyes
2467                 then
2468                         use_collect2=yes
2469                 fi
2470                 xmake_file=mips/x-sony
2471                 ;;
2472         mips-sony-sysv*)                # Sony NEWS 3800 with NEWSOS5.0.
2473                                         # That is based on svr4.
2474                 # t-svr4 is not right because this system doesn't use ELF.
2475                 tm_file="mips/news5.h ${tm_file}"
2476                 if test x$stabs = xyes; then
2477                         tm_file="${tm_file} dbx.h"
2478                 fi
2479                 xm_file="xm-siglist.h ${xm_file}"
2480                 xm_defines=USG
2481                 if test x$gas = xyes
2482                 then
2483                         tmake_file=mips/t-mips-gas
2484                 else
2485                         extra_passes="mips-tfile mips-tdump"
2486                 fi
2487                 if test x$gnu_ld != xyes
2488                 then
2489                         use_collect2=yes
2490                 fi
2491                 ;;
2492         mips-tandem-sysv4*)             # Tandem S2 running NonStop UX
2493                 tm_file="mips/svr4-5.h mips/svr4-t.h"
2494                 if test x$stabs = xyes; then
2495                         tm_file="${tm_file} dbx.h"
2496                 fi
2497                 xm_file="xm-siglist.h ${xm_file}"
2498                 xm_defines=USG
2499                 xmake_file=mips/x-sysv
2500                 if test x$gas = xyes
2501                 then
2502                         tmake_file=mips/t-mips-gas
2503                         extra_parts="crtbegin.o crtend.o"
2504                 else
2505                         tmake_file=mips/t-mips
2506                         extra_passes="mips-tfile mips-tdump"
2507                 fi
2508                 if test x$gnu_ld != xyes
2509                 then
2510                         use_collect2=yes
2511                 fi
2512                 ;;
2513         mips-*-ultrix* | mips-dec-mach3)        # Decstation.
2514                 tm_file="mips/ultrix.h ${tm_file}"
2515                 if test x$stabs = xyes; then
2516                         tm_file="${tm_file} dbx.h"
2517                 fi
2518                 xmake_file=mips/x-ultrix
2519                 if test x$gas = xyes
2520                 then
2521                         tmake_file=mips/t-mips-gas
2522                 else
2523                         tmake_file=mips/t-ultrix
2524                         extra_passes="mips-tfile mips-tdump"
2525                 fi
2526                 if test x$gnu_ld != xyes
2527                 then
2528                         use_collect2=yes
2529                 fi
2530                 ;;
2531 changequote(,)dnl
2532         mips-*-riscos[56789]bsd*)
2533 changequote([,])dnl
2534                 tm_file=mips/bsd-5.h    # MIPS BSD 4.3, RISC-OS 5.0
2535                 if test x$stabs = xyes; then
2536                         tm_file="${tm_file} dbx.h"
2537                 fi
2538                 if test x$gas = xyes
2539                 then
2540                         tmake_file=mips/t-bsd-gas
2541                 else
2542                         tmake_file=mips/t-bsd
2543                         extra_passes="mips-tfile mips-tdump"
2544                 fi
2545                 if test x$gnu_ld != xyes
2546                 then
2547                         use_collect2=yes
2548                 fi
2549                 ;;
2550 changequote(,)dnl
2551         mips-*-bsd* | mips-*-riscosbsd* | mips-*-riscos[1234]bsd*)
2552 changequote([,])dnl
2553                 tm_file="mips/bsd-4.h ${tm_file}" # MIPS BSD 4.3, RISC-OS 4.0
2554                 if test x$stabs = xyes; then
2555                         tm_file="${tm_file} dbx.h"
2556                 fi
2557                 if test x$gas = xyes
2558                 then
2559                         tmake_file=mips/t-bsd-gas
2560                 else
2561                         tmake_file=mips/t-bsd
2562                         extra_passes="mips-tfile mips-tdump"
2563                 fi
2564                 if test x$gnu_ld != xyes
2565                 then
2566                         use_collect2=yes
2567                 fi
2568                 ;;
2569 changequote(,)dnl
2570         mips-*-riscos[56789]sysv4*)
2571 changequote([,])dnl
2572                 tm_file=mips/svr4-5.h   # MIPS System V.4., RISC-OS 5.0
2573                 if test x$stabs = xyes; then
2574                         tm_file="${tm_file} dbx.h"
2575                 fi
2576                 xm_file="xm-siglist.h ${xm_file}"
2577                 xmake_file=mips/x-sysv
2578                 if test x$gas = xyes
2579                 then
2580                         tmake_file=mips/t-svr4-gas
2581                 else
2582                         tmake_file=mips/t-svr4
2583                         extra_passes="mips-tfile mips-tdump"
2584                 fi
2585                 if test x$gnu_ld != xyes
2586                 then
2587                         use_collect2=yes
2588                 fi
2589                 ;;
2590 changequote(,)dnl
2591         mips-*-sysv4* | mips-*-riscos[1234]sysv4* | mips-*-riscossysv4*)
2592 changequote([,])dnl
2593                 tm_file="mips/svr4-4.h ${tm_file}"
2594                 if test x$stabs = xyes; then
2595                         tm_file="${tm_file} dbx.h"
2596                 fi
2597                 xm_defines=USG
2598                 xmake_file=mips/x-sysv
2599                 if test x$gas = xyes
2600                 then
2601                         tmake_file=mips/t-svr4-gas
2602                 else
2603                         tmake_file=mips/t-svr4
2604                         extra_passes="mips-tfile mips-tdump"
2605                 fi
2606                 if test x$gnu_ld != xyes
2607                 then
2608                         use_collect2=yes
2609                 fi
2610                 ;;
2611 changequote(,)dnl
2612         mips-*-riscos[56789]sysv*)
2613 changequote([,])dnl
2614                 tm_file=mips/svr3-5.h   # MIPS System V.3, RISC-OS 5.0
2615                 if test x$stabs = xyes; then
2616                         tm_file="${tm_file} dbx.h"
2617                 fi
2618                 xm_defines=USG
2619                 xmake_file=mips/x-sysv
2620                 if test x$gas = xyes
2621                 then
2622                         tmake_file=mips/t-svr3-gas
2623                 else
2624                         tmake_file=mips/t-svr3
2625                         extra_passes="mips-tfile mips-tdump"
2626                 fi
2627                 if test x$gnu_ld != xyes
2628                 then
2629                         use_collect2=yes
2630                 fi
2631                 ;;
2632         mips-*-sysv* | mips-*-riscos*sysv*)
2633                 tm_file="mips/svr3-4.h ${tm_file}"
2634                 if test x$stabs = xyes; then
2635                         tm_file="${tm_file} dbx.h"
2636                 fi
2637                 xm_defines=USG
2638                 xmake_file=mips/x-sysv
2639                 if test x$gas = xyes
2640                 then
2641                         tmake_file=mips/t-svr3-gas
2642                 else
2643                         tmake_file=mips/t-svr3
2644                         extra_passes="mips-tfile mips-tdump"
2645                 fi
2646                 if test x$gnu_ld != xyes
2647                 then
2648                         use_collect2=yes
2649                 fi
2650                 ;;
2651 changequote(,)dnl
2652         mips-*-riscos[56789]*)          # Default MIPS RISC-OS 5.0.
2653 changequote([,])dnl
2654                 tm_file=mips/mips-5.h
2655                 if test x$stabs = xyes; then
2656                         tm_file="${tm_file} dbx.h"
2657                 fi
2658                 if test x$gas = xyes
2659                 then
2660                         tmake_file=mips/t-mips-gas
2661                 else
2662                         extra_passes="mips-tfile mips-tdump"
2663                 fi
2664                 if test x$gnu_ld != xyes
2665                 then
2666                         use_collect2=yes
2667                 fi
2668                 ;;
2669         mips-*-gnu*)
2670                 ;;
2671         mipsel-*-ecoff*)
2672                 tm_file=mips/ecoffl.h
2673                 if test x$stabs = xyes; then
2674                         tm_file="${tm_file} dbx.h"
2675                 fi
2676                 tmake_file=mips/t-ecoff
2677                 ;;
2678         mips-*-ecoff*)
2679                 tm_file="gofast.h mips/ecoff.h"
2680                 if test x$stabs = xyes; then
2681                         tm_file="${tm_file} dbx.h"
2682                 fi
2683                 tmake_file=mips/t-ecoff
2684                 ;;
2685         mipsel-*-elf*)
2686                 tm_file="mips/elfl.h"
2687                 tmake_file=mips/t-elf
2688                 ;;
2689         mips-*-elf*)
2690                 tm_file="mips/elf.h"
2691                 tmake_file=mips/t-elf
2692                 ;;
2693         mips64el-*-elf*)
2694                 tm_file="mips/elfl64.h"
2695                 tmake_file=mips/t-elf
2696                 ;;
2697         mips64orionel-*-elf*)
2698                 tm_file="mips/elforion.h mips/elfl64.h"
2699                 tmake_file=mips/t-elf
2700                 ;;
2701         mips64-*-elf*)
2702                 tm_file="mips/elf64.h"
2703                 tmake_file=mips/t-elf
2704                 ;;
2705         mips64orion-*-elf*)
2706                 tm_file="mips/elforion.h mips/elf64.h"
2707                 tmake_file=mips/t-elf
2708                 ;;
2709         mips64orion-*-rtems*)
2710                 tm_file="mips/elforion.h mips/elf64.h mips/rtems64.h"
2711                 tmake_file="mips/t-ecoff t-rtems"
2712                 ;;
2713         mipstx39el-*-elf*)
2714                 tm_file="mips/r3900.h mips/elfl.h mips/abi64.h"
2715                 tmake_file=mips/t-r3900
2716                 ;;
2717         mipstx39-*-elf*)
2718                 tm_file="mips/r3900.h mips/elf.h mips/abi64.h"
2719                 tmake_file=mips/t-r3900
2720                 ;;
2721         mips-*-*)                               # Default MIPS RISC-OS 4.0.
2722                 if test x$stabs = xyes; then
2723                         tm_file="${tm_file} dbx.h"
2724                 fi
2725                 if test x$gas = xyes
2726                 then
2727                         tmake_file=mips/t-mips-gas
2728                 else
2729                         extra_passes="mips-tfile mips-tdump"
2730                 fi
2731                 if test x$gnu_ld != xyes
2732                 then
2733                         use_collect2=yes
2734                 fi
2735                 ;;
2736         mn10200-*-*)
2737                 cpu_type=mn10200
2738                 tm_file="mn10200/mn10200.h"
2739                 if test x$stabs = xyes
2740                 then
2741                         tm_file="${tm_file} dbx.h"
2742                 fi
2743                 use_collect2=no
2744                 ;;
2745         mn10300-*-*)
2746                 cpu_type=mn10300
2747                 tm_file="mn10300/mn10300.h"
2748                 if test x$stabs = xyes
2749                 then
2750                         tm_file="${tm_file} dbx.h"
2751                 fi
2752                 use_collect2=no
2753                 ;;
2754         ns32k-encore-bsd*)
2755                 tm_file=ns32k/encore.h
2756                 use_collect2=yes
2757                 ;;
2758         ns32k-sequent-bsd*)
2759                 tm_file=ns32k/sequent.h
2760                 use_collect2=yes
2761                 ;;
2762         ns32k-tek6100-bsd*)
2763                 tm_file=ns32k/tek6100.h
2764                 use_collect2=yes
2765                 ;;
2766         ns32k-tek6200-bsd*)
2767                 tm_file=ns32k/tek6200.h
2768                 use_collect2=yes
2769                 ;;
2770 # This has not been updated to GCC 2.
2771 #       ns32k-ns-genix*)
2772 #               xm_defines=USG
2773 #               xmake_file=ns32k/x-genix
2774 #               tm_file=ns32k/genix.h
2775 #               use_collect2=yes
2776 #               ;;
2777         ns32k-merlin-*)
2778                 tm_file=ns32k/merlin.h
2779                 use_collect2=yes
2780                 ;;
2781         ns32k-pc532-mach*)
2782                 tm_file=ns32k/pc532-mach.h
2783                 use_collect2=yes
2784                 ;;
2785         ns32k-pc532-minix*)
2786                 tm_file=ns32k/pc532-min.h
2787                 xm_file="ns32k/xm-pc532-min.h ${xm-file}"
2788                 xm_defines=USG
2789                 use_collect2=yes
2790                 ;;
2791         ns32k-*-netbsd*)
2792                 tm_file=ns32k/netbsd.h
2793                 xm_file="ns32k/xm-netbsd.h ${xm_file}"
2794                 # On NetBSD, the headers are already okay, except for math.h.
2795                 tmake_file=t-netbsd
2796        use_collect2=yes
2797                 ;;
2798         pdp11-*-bsd)
2799                 tm_file="${tm_file} pdp11/2bsd.h"
2800                 ;;
2801         pdp11-*-*)
2802                 ;;
2803         ns32k-*-openbsd*)
2804                 # Nothing special
2805                 ;;
2806         pyramid-*-*)
2807                 cpu_type=pyr
2808                 xmake_file=pyr/x-pyr
2809                 use_collect2=yes
2810                 ;;
2811         romp-*-aos*)
2812                 use_collect2=yes
2813                 ;;
2814         romp-*-mach*)
2815                 xmake_file=romp/x-mach
2816                 use_collect2=yes
2817                 ;;
2818         romp-*-openbsd*)
2819                 # Nothing special
2820                 ;;
2821         powerpc-*-openbsd*)
2822                 tmake_file="${tmake_file} rs6000/t-rs6000 rs6000/t-openbsd"
2823                 ;;
2824         powerpc-*-beos*)
2825                 cpu_type=rs6000
2826                 tm_file=rs6000/beos.h
2827                 xm_file=rs6000/xm-beos.h
2828                 tmake_file=rs6000/t-beos
2829                 xmake_file=rs6000/x-beos
2830                 ;;
2831         powerpc-*-sysv* | powerpc-*-elf*)
2832                 tm_file=rs6000/sysv4.h
2833                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2834                 xm_defines="USG POSIX"
2835                 extra_headers=ppc-asm.h
2836                 if test x$gas = xyes
2837                 then
2838                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2839                 else
2840                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2841                 fi
2842                 xmake_file=rs6000/x-sysv4
2843                 ;;
2844         powerpc-*-eabiaix*)
2845                 tm_file=rs6000/eabiaix.h
2846                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2847                 extra_headers=ppc-asm.h
2848                 ;;
2849         powerpc-*-eabisim*)
2850                 tm_file=rs6000/eabisim.h
2851                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2852                 extra_headers=ppc-asm.h
2853                 ;;
2854         powerpc-*-eabi*)
2855                 tm_file=rs6000/eabi.h
2856                 if test x$gas = xyes
2857                 then
2858                         tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2859                 else
2860                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2861                 fi
2862                 extra_headers=ppc-asm.h
2863                 ;;
2864         powerpc-*-rtems*)
2865                 tm_file=rs6000/rtems.h
2866                 if test x$gas = xyes
2867                 then
2868                      tmake_file="rs6000/t-ppcgas t-rtems rs6000/t-ppccomm"
2869                 else
2870                      tmake_file="rs6000/t-ppc t-rtems rs6000/t-ppccomm"
2871                 fi
2872                 extra_headers=ppc-asm.h
2873                 ;;
2874         powerpc-*-linux-gnulibc1)
2875                 tm_file=rs6000/linux.h
2876                 xm_file=rs6000/xm-sysv4.h
2877                 out_file=rs6000/rs6000.c
2878                 if test x$gas = xyes
2879                 then
2880                         tmake_file="rs6000/t-ppcos t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
2881                 else
2882                         tmake_file="rs6000/t-ppc t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
2883                 fi
2884                 xmake_file=x-linux
2885                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2886                 extra_headers=ppc-asm.h
2887                 if test x$enable_threads = xyes; then
2888                         thread_file='posix'
2889                 fi
2890                 ;;
2891         powerpc-*-linux-gnu*)
2892                 tm_file=rs6000/linux.h
2893                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2894                 xm_defines="USG ${xm_defines}"
2895                 out_file=rs6000/rs6000.c
2896                 if test x$gas = xyes
2897                 then
2898                         tmake_file="rs6000/t-ppcos t-linux rs6000/t-ppccomm"
2899                 else
2900                         tmake_file="rs6000/t-ppc t-linux rs6000/t-ppccomm"
2901                 fi
2902                 xmake_file=x-linux
2903                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2904                 extra_headers=ppc-asm.h
2905                 if test x$enable_threads = xyes; then
2906                         thread_file='posix'
2907                 fi
2908                 ;;
2909         powerpc-wrs-vxworks*)
2910                 cpu_type=rs6000
2911                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2912                 xm_defines="USG POSIX"
2913                 tm_file=rs6000/vxppc.h
2914                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2915                 extra_headers=ppc-asm.h
2916                 thread_file='vxworks'
2917                 ;;
2918         powerpcle-*-sysv* | powerpcle-*-elf*)
2919                 tm_file=rs6000/sysv4le.h
2920                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2921                 xm_defines="USG POSIX"
2922                 if test x$gas = xyes
2923                 then
2924                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2925                 else
2926                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2927                 fi
2928                 xmake_file=rs6000/x-sysv4
2929                 extra_headers=ppc-asm.h
2930                 ;;
2931         powerpcle-*-eabisim*)
2932                 tm_file=rs6000/eabilesim.h
2933                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2934                 extra_headers=ppc-asm.h
2935                 ;;
2936         powerpcle-*-eabi*)
2937                 tm_file=rs6000/eabile.h
2938                 if test x$gas = xyes
2939                 then
2940                         tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2941                 else
2942                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2943                 fi
2944                 extra_headers=ppc-asm.h
2945                 ;;
2946         powerpcle-*-winnt* )
2947                 tm_file=rs6000/win-nt.h
2948                 tmake_file=rs6000/t-winnt
2949 #               extra_objs=pe.o
2950                 if test x$enable_threads = xyes; then
2951                         thread_file='win32'
2952                 fi
2953                 extra_headers=ppc-asm.h
2954                 ;;
2955         powerpcle-*-pe | powerpcle-*-cygwin*)
2956                 tm_file=rs6000/cygwin.h
2957                 xm_file="rs6000/xm-cygwin.h ${xm_file}"
2958                 tmake_file=rs6000/t-winnt
2959                 xmake_file=rs6000/x-cygwin
2960 #               extra_objs=pe.o
2961                 if test x$enable_threads = xyes; then
2962                         thread_file='win32'
2963                 fi
2964                 exeext=.exe
2965                 extra_headers=ppc-asm.h
2966                 ;;
2967         powerpcle-*-solaris2*)
2968                 tm_file=rs6000/sol2.h
2969                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2970                 xm_defines="USG POSIX"
2971                 if test x$gas = xyes
2972                 then
2973                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2974                 else
2975                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2976                 fi
2977                 xmake_file=rs6000/x-sysv4
2978                 extra_headers=ppc-asm.h
2979                 ;;
2980 changequote(,)dnl
2981         rs6000-ibm-aix3.[01]*)
2982 changequote([,])dnl
2983                 tm_file=rs6000/aix31.h
2984                 xmake_file=rs6000/x-aix31
2985                 float_format=none
2986                 use_collect2=yes
2987                 ;;
2988 changequote(,)dnl
2989         rs6000-ibm-aix3.2.[456789]* | powerpc-ibm-aix3.2.[456789]*)
2990 changequote([,])dnl
2991                 tm_file=rs6000/aix3newas.h
2992                 if test x$host != x$target
2993                 then
2994                         tmake_file=rs6000/t-xnewas
2995                 else
2996                         tmake_file=rs6000/t-newas
2997                 fi
2998                 float_format=none
2999                 use_collect2=yes
3000                 ;;
3001 changequote(,)dnl
3002         rs6000-ibm-aix4.[12]* | powerpc-ibm-aix4.[12]*)
3003 changequote([,])dnl
3004                 tm_file=rs6000/aix41.h
3005                 if test x$host != x$target
3006                 then
3007                         tmake_file=rs6000/t-xnewas
3008                 else
3009                         tmake_file=rs6000/t-newas
3010                 fi
3011                 if test "$gnu_ld" = yes
3012                 then
3013                         xmake_file=rs6000/x-aix41-gld
3014                 else
3015                         xmake_file=rs6000/x-aix41
3016                 fi
3017                 float_format=none
3018                 use_collect2=yes
3019                 ;;
3020 changequote(,)dnl
3021         rs6000-ibm-aix4.[3456789]* | powerpc-ibm-aix4.[3456789]*)
3022 changequote([,])dnl
3023                 tm_file=rs6000/aix43.h
3024                 if test x$host != x$target
3025                 then
3026                         tmake_file=rs6000/t-xaix43
3027                 else
3028                         tmake_file=rs6000/t-aix43
3029                 fi
3030                 xmake_file=rs6000/x-aix43
3031                 float_format=none
3032                 use_collect2=yes
3033                 ;;
3034 changequote(,)dnl
3035         rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
3036 changequote([,])dnl
3037                 tm_file=rs6000/aix43.h
3038                 if test x$host != x$target
3039                 then
3040                         tmake_file=rs6000/t-xaix43
3041                 else
3042                         tmake_file=rs6000/t-aix43
3043                 fi
3044                 xmake_file=rs6000/x-aix43
3045                 float_format=none
3046                 use_collect2=yes
3047                 ;;
3048         rs6000-ibm-aix*)
3049                 float_format=none
3050                 use_collect2=yes
3051                 ;;
3052         rs6000-bull-bosx)
3053                 float_format=none
3054                 use_collect2=yes
3055                 ;;
3056         rs6000-*-mach*)
3057                 tm_file=rs6000/mach.h
3058                 xm_file="${xm_file} rs6000/xm-mach.h"
3059                 xmake_file=rs6000/x-mach
3060                 use_collect2=yes
3061                 ;;
3062         rs6000-*-lynxos*)
3063                 tm_file=rs6000/lynx.h
3064                 xm_file=rs6000/xm-lynx.h
3065                 tmake_file=rs6000/t-rs6000
3066                 xmake_file=rs6000/x-lynx
3067                 use_collect2=yes
3068                 ;;
3069         sh-*-elf*)
3070                 tm_file=sh/elf.h
3071                 float_format=sh
3072                 ;;
3073         sh-*-rtemself*)
3074                 tmake_file="sh/t-sh t-rtems"
3075                 tm_file=sh/rtemself.h
3076                 float_format=sh
3077                 ;;
3078         sh-*-rtems*)
3079                 tmake_file="sh/t-sh t-rtems"
3080                 tm_file=sh/rtems.h
3081                 float_format=sh
3082                 ;;
3083         sh-*-*)
3084                 float_format=sh
3085                 ;;
3086         sparc-tti-*)
3087                 tm_file=sparc/pbd.h
3088                 xm_file="xm-alloca.h ${xm_file}"
3089                 xm_defines=USG
3090                 ;;
3091         sparc-wrs-vxworks* | sparclite-wrs-vxworks*)
3092                 tm_file=sparc/vxsparc.h
3093                 tmake_file=sparc/t-vxsparc
3094                 use_collect2=yes
3095                 thread_file='vxworks'
3096                 ;;
3097         sparc-*-aout*)
3098                 tmake_file=sparc/t-sparcbare
3099                 tm_file="sparc/aout.h libgloss.h"
3100                 ;;
3101         sparc-*-netbsd*)
3102                 tm_file=sparc/netbsd.h
3103                 tmake_file=t-netbsd
3104        use_collect2=yes
3105                 ;;
3106         sparc-*-openbsd*)
3107                 # we need collect2 until our bug is fixed...
3108                 use_collect2=yes
3109                 ;;
3110         sparc-*-bsd*)
3111                 tm_file=sparc/bsd.h
3112                 ;;
3113         sparc-*-elf*)
3114                 tm_file=sparc/elf.h
3115                 tmake_file=sparc/t-elf
3116                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
3117                 #float_format=i128
3118                 float_format=i64
3119                 ;;
3120         sparc-*-linux-gnuaout*)         # Sparc's running GNU/Linux, a.out
3121                 xm_file="${xm_file} sparc/xm-linux.h"
3122                 tm_file=sparc/linux-aout.h
3123                 xmake_file=x-linux
3124                 gnu_ld=yes
3125                 ;;
3126         sparc-*-linux-gnulibc1*)        # Sparc's running GNU/Linux, libc5
3127                 xm_file="${xm_file} sparc/xm-linux.h"
3128                 xmake_file=x-linux
3129                 tm_file=sparc/linux.h
3130                 tmake_file="t-linux t-linux-gnulibc1"
3131                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3132                 gnu_ld=yes
3133                 float_format=sparc
3134                 ;;
3135         sparc-*-linux-gnu*)             # Sparc's running GNU/Linux, libc6
3136                 xm_file="${xm_file} sparc/xm-linux.h"
3137                 xmake_file=x-linux
3138                 tm_file=sparc/linux.h
3139                 tmake_file="t-linux"
3140                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3141                 gnu_ld=yes
3142                 if test x$enable_threads = xyes; then
3143                         thread_file='posix'
3144                 fi
3145                 float_format=sparc
3146                 ;;
3147         sparc-*-lynxos*)
3148                 if test x$gas = xyes
3149                 then
3150                         tm_file=sparc/lynx.h
3151                 else
3152                         tm_file=sparc/lynx-ng.h
3153                 fi
3154                 xm_file=sparc/xm-lynx.h
3155                 tmake_file=sparc/t-sunos41
3156                 xmake_file=x-lynx
3157                 ;;
3158         sparc-*-rtems*)
3159                 tmake_file="sparc/t-sparcbare t-rtems"
3160                 tm_file=sparc/rtems.h
3161                 ;;
3162         sparcv9-*-solaris2*)
3163                 tm_file=sparc/sol2-sld-64.h
3164                 xm_file="sparc/xm-sysv4-64.h sparc/xm-sol2.h"
3165                 xm_defines="USG POSIX"
3166                 tmake_file="sparc/t-sol2 sparc/t-sol2-64"
3167                 xmake_file=sparc/x-sysv4
3168                 extra_parts="crt1.o crti.o crtn.o gcrt1.o crtbegin.o crtend.o"
3169                 float_format=none
3170                 if test x${enable_threads} = x ; then
3171                     enable_threads=$have_pthread_h
3172                     if test x${enable_threads} = x ; then
3173                         enable_threads=$have_thread_h
3174                     fi
3175                 fi
3176                 if test x${enable_threads} = xyes ; then
3177                     if test x${have_pthread_h} = xyes ; then
3178                         thread_file='posix'
3179                     else
3180                         thread_file='solaris'
3181                     fi
3182                 fi
3183                 ;;
3184         sparc-hal-solaris2*)
3185                 xm_file=sparc/xm-sol2.h
3186                 tm_file="sparc/sol2.h sparc/hal.h"
3187                 tmake_file="sparc/t-halos sparc/t-sol2"
3188                 xmake_file=sparc/x-sysv4
3189                 extra_parts="crt1.o crti.o crtn.o gmon.o crtbegin.o crtend.o"
3190                 broken_install=yes
3191                 ;;
3192         sparc-*-solaris2*)
3193                 if test x$gnu_ld = xyes
3194                 then
3195                         tm_file=sparc/sol2.h
3196                 else
3197                         tm_file=sparc/sol2-sld.h
3198                 fi
3199                 xm_file="xm-siglist.h sparc/xm-sysv4.h sparc/xm-sol2.h"
3200                 xm_defines="USG POSIX"
3201                 tmake_file=sparc/t-sol2
3202                 xmake_file=sparc/x-sysv4
3203                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
3204                 case $machine in
3205 changequote(,)dnl
3206                 *-*-solaris2.[0-4])
3207 changequote([,])dnl
3208                         float_format=i128
3209                         ;;
3210                 *)
3211                         float_format=none
3212                         ;;
3213                 esac
3214                 if test x${enable_threads} = x; then
3215                     enable_threads=$have_pthread_h
3216                     if test x${enable_threads} = x; then
3217                         enable_threads=$have_thread_h
3218                     fi
3219                 fi
3220                 if test x${enable_threads} = xyes; then
3221                     if test x${have_pthread_h} = xyes; then
3222                         thread_file='posix'
3223                     else
3224                         thread_file='solaris'
3225                     fi
3226                 fi
3227                 ;;
3228         sparc-*-sunos4.0*)
3229                 tm_file=sparc/sunos4.h
3230                 tmake_file=sparc/t-sunos40
3231                 use_collect2=yes
3232                 ;;
3233         sparc-*-sunos4*)
3234                 tm_file=sparc/sunos4.h
3235                 tmake_file=sparc/t-sunos41
3236                 use_collect2=yes
3237                 if test x$gas = xyes; then
3238                         tm_file="${tm_file} sparc/sun4gas.h"
3239                 fi
3240                 ;;
3241         sparc-*-sunos3*)
3242                 tm_file=sparc/sun4o3.h
3243                 use_collect2=yes
3244                 ;;
3245         sparc-*-sysv4*)
3246                 tm_file=sparc/sysv4.h
3247                 xm_file="xm-siglist.h sparc/xm-sysv4.h"
3248                 xm_defines="USG POSIX"
3249                 tmake_file=t-svr4
3250                 xmake_file=sparc/x-sysv4
3251                 extra_parts="crtbegin.o crtend.o"
3252                 ;;
3253         sparc-*-vxsim*)
3254                 xm_file="xm-siglist.h sparc/xm-sysv4.h sparc/xm-sol2.h"
3255                 xm_defines="USG POSIX"
3256                 tm_file=sparc/vxsim.h
3257                 tmake_file=sparc/t-vxsparc
3258                 xmake_file=sparc/x-sysv4
3259                 ;;
3260         sparclet-*-aout*)
3261                 tm_file="sparc/splet.h libgloss.h"
3262                 tmake_file=sparc/t-splet
3263                 ;;
3264         sparclite-*-coff*)
3265                 tm_file="sparc/litecoff.h libgloss.h"
3266                 tmake_file=sparc/t-sparclite
3267                 ;;
3268         sparclite-*-aout*)
3269                 tm_file="sparc/lite.h aoutos.h libgloss.h"
3270                 tmake_file=sparc/t-sparclite
3271                 ;;
3272         sparc64-*-aout*)
3273                 tmake_file=sparc/t-sp64
3274                 tm_file=sparc/sp64-aout.h
3275                 ;;
3276         sparc64-*-elf*)
3277                 tmake_file=sparc/t-sp64
3278                 tm_file=sparc/sp64-elf.h
3279                 extra_parts="crtbegin.o crtend.o"
3280                 ;;
3281         sparc64-*-linux*)               # 64-bit Sparc's running GNU/Linux
3282                 tmake_file="t-linux sparc/t-linux64"
3283                 xm_file="sparc/xm-sp64.h sparc/xm-linux.h"
3284                 tm_file=sparc/linux64.h
3285                 xmake_file=x-linux
3286                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3287                 gnu_ld=yes
3288                 float_format=sparc
3289                 ;;
3290 # This hasn't been upgraded to GCC 2.
3291 #       tahoe-harris-*)                 # Harris tahoe, using COFF.
3292 #               tm_file=tahoe/harris.h
3293 #               ;;
3294 #       tahoe-*-bsd*)                   # tahoe running BSD
3295 #               ;;
3296         thumb-*-coff* | thumbel-*-coff*)
3297                 tm_file=arm/tcoff.h
3298                 out_file=arm/thumb.c
3299                 xm_file=arm/xm-thumb.h
3300                 md_file=arm/thumb.md
3301                 tmake_file=arm/t-thumb
3302                 ;;
3303         thumb-*-elf* | thumbel-*-elf*)
3304                 tm_file=arm/telf.h
3305                 out_file=arm/thumb.c
3306                 xm_file=arm/xm-thumb.h
3307                 md_file=arm/thumb.md
3308                 tmake_file=arm/t-thumb-elf
3309                 ;;
3310         thumb-*-linux-gnu*)
3311                 tm_file=arm/linux-telf.h
3312                 out_file=arm/thumb.c
3313                 xm_file=arm/xm-thumb.h
3314                 md_file=arm/thumb.md
3315                 tmake_file=arm/t-thumb-linux
3316                 ;;
3317         thumb-*-uclinux*)
3318                 tm_file=arm/uclinux-telf.h
3319                 out_file=arm/thumb.c
3320                 md_file=arm/thumb.md
3321                 tmake_file=arm/t-thumb-linux
3322                 xm_file=arm/xm-thumb.h
3323                 ;;
3324         thumb-wrs-vxworks)
3325                 tm_file=arm/tcoff.h
3326                 out_file=arm/thumb.c
3327                 xm_file=arm/xm-thumb.h
3328                 md_file=arm/thumb.md
3329                 tmake_file=arm/t-thumb
3330                 thread_file='vxworks'
3331                 ;;
3332         thumb-*-pe)
3333                 tm_file=arm/tpe.h
3334                 out_file=arm/thumb.c
3335                 xm_file=arm/xm-thumb.h
3336                 md_file=arm/thumb.md
3337                 tmake_file=arm/t-pe-thumb
3338                 extra_objs=pe.o
3339                 ;;
3340 # This hasn't been upgraded to GCC 2.
3341 #       tron-*-*)
3342 #               cpu_type=gmicro
3343 #               use_collect2=yes
3344 #               ;;
3345         v850-*-*)
3346                 cpu_type=v850
3347                 tm_file="v850/v850.h"
3348                 xm_file="v850/xm-v850.h"
3349                 tmake_file=v850/t-v850
3350                 if test x$stabs = xyes
3351                 then
3352                         tm_file="${tm_file} dbx.h"
3353                 fi
3354                 use_collect2=no
3355                 ;;
3356         vax-*-bsd*)                     # vaxen running BSD
3357                 use_collect2=yes
3358                 float_format=vax
3359                 ;;
3360         vax-*-sysv*)                    # vaxen running system V
3361                 tm_file="${tm_file} vax/vaxv.h"
3362                 xm_defines=USG
3363                 float_format=vax
3364                 ;;
3365         vax-*-netbsd*)
3366                 tm_file="${tm_file} netbsd.h vax/netbsd.h"
3367                 tmake_file=t-netbsd
3368                 float_format=vax
3369        use_collect2=yes
3370                 ;;
3371         vax-*-openbsd*)
3372                 tmake_file="${tmake_file} vax/t-openbsd"
3373                 ;;
3374         vax-*-ultrix*)                  # vaxen running ultrix
3375                 tm_file="${tm_file} vax/ultrix.h"
3376                 use_collect2=yes
3377                 float_format=vax
3378                 ;;
3379         vax-*-vms*)                     # vaxen running VMS
3380                 xm_file=vax/xm-vms.h
3381                 tm_file=vax/vms.h
3382                 float_format=vax
3383                 ;;
3384         vax-*-*)                        # vax default entry
3385                 float_format=vax
3386                 ;;
3387         we32k-att-sysv*)
3388                 xm_file="${xm_file} xm-svr3"
3389                 use_collect2=yes
3390                 ;;
3391         *)
3392                 echo "Configuration $machine not supported" 1>&2
3393                 exit 1
3394                 ;;
3395         esac
3396
3397         case $machine in
3398         *-*-linux-gnu*)
3399                 ;; # Existing GNU/Linux systems do not use the GNU setup.
3400         *-*-gnu*)
3401                 # On the GNU system, the setup is just about the same on
3402                 # each different CPU.  The specific machines that GNU
3403                 # supports are matched above and just set $cpu_type.
3404                 xm_file="xm-gnu.h ${xm_file}"
3405                 tm_file=${cpu_type}/gnu.h
3406                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
3407                 # GNU always uses ELF.
3408                 elf=yes
3409                 # GNU tools are the only tools.
3410                 gnu_ld=yes
3411                 gas=yes
3412                 xmake_file=x-linux      # These details are the same as Linux.
3413                 tmake_file=t-gnu        # These are not.
3414                 ;;
3415         *-*-sysv4*)
3416                 xmake_try_sysv=x-sysv
3417                 install_headers_dir=install-headers-cpio
3418                 ;;
3419         *-*-sysv*)
3420                 install_headers_dir=install-headers-cpio
3421                 ;;
3422         esac
3423
3424         # Distinguish i[34567]86
3425         # Also, do not run mips-tfile on MIPS if using gas.
3426         # Process --with-cpu= for PowerPC/rs6000
3427         target_cpu_default2=
3428         case $machine in
3429         i486-*-*)
3430                 target_cpu_default2=1
3431                 ;;
3432         i586-*-*)
3433                 case $target_alias in
3434                         k6-*)
3435                                 target_cpu_default2=4
3436                                 ;;
3437                         *)
3438                                 target_cpu_default2=2
3439                                 ;;
3440                 esac
3441                 ;;
3442         i686-*-* | i786-*-*)
3443                 target_cpu_default2=3
3444                 ;;
3445         alpha*-*-*)
3446                 case $machine in
3447                         alphaev6*)
3448                                 target_cpu_default2="MASK_CPU_EV6|MASK_BWX|MASK_MAX|MASK_FIX"
3449                                 ;;
3450                         alphapca56*)
3451                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX|MASK_MAX"
3452                                 ;;
3453                         alphaev56*)
3454                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX"
3455                                 ;;
3456                         alphaev5*)
3457                                 target_cpu_default2="MASK_CPU_EV5"
3458                                 ;;
3459                 esac
3460
3461                 if test x$gas = xyes
3462                 then
3463                         if test "$target_cpu_default2" = ""
3464                         then
3465                                 target_cpu_default2="MASK_GAS"
3466                         else
3467                                 target_cpu_default2="${target_cpu_default2}|MASK_GAS"
3468                         fi
3469                 fi
3470                 ;;
3471         arm*-*-*)
3472                 case "x$with_cpu" in
3473                         x)
3474                                 # The most generic
3475                                 target_cpu_default2="TARGET_CPU_generic"
3476                                 ;;
3477
3478                         # Distinguish cores, and major variants
3479                         # arm7m doesn't exist, but D & I don't affect code
3480                         xarm[23678] | xarm250 | xarm[67][01]0 \
3481                         | xarm7m | xarm7dm | xarm7dmi | xarm7tdmi \
3482                         | xarm7100 | xarm7500 | xarm7500fe | xarm810 \
3483                         | xstrongarm | xstrongarm110 | xstrongarm1100)
3484                                 target_cpu_default2="TARGET_CPU_$with_cpu"
3485                                 ;;
3486
3487                         xyes | xno)
3488                                 echo "--with-cpu must be passed a value" 1>&2
3489                                 exit 1
3490                                 ;;
3491
3492                         *)
3493                                 if test x$pass2done = xyes
3494                                 then
3495                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3496                                         exit 1
3497                                 fi
3498                                 ;;
3499                 esac
3500                 ;;
3501
3502         mips*-*-ecoff* | mips*-*-elf*)
3503                 if test x$gas = xyes
3504                 then
3505                         if test x$gnu_ld = xyes
3506                         then
3507                                 target_cpu_default2=20
3508                         else
3509                                 target_cpu_default2=16
3510                         fi
3511                 fi
3512                 ;;
3513         mips*-*-*)
3514                 if test x$gas = xyes
3515                 then
3516                         target_cpu_default2=16
3517                 fi
3518                 ;;
3519         powerpc*-*-* | rs6000-*-*)
3520                 case "x$with_cpu" in
3521                         x)
3522                                 ;;
3523
3524                         xcommon | xpower | xpower2 | xpowerpc | xrios \
3525                           | xrios1 | xrios2 | xrsc | xrsc1 \
3526                           | x601 | x602 | x603 | x603e | x604 | x604e | x620 \
3527                           | xec603e | x740 | x750 | x401 \
3528                           | x403 | x505 | x801 | x821 | x823 | x860)
3529                                 target_cpu_default2="\"$with_cpu\""
3530                                 ;;
3531
3532                         xyes | xno)
3533                                 echo "--with-cpu must be passed a value" 1>&2
3534                                 exit 1
3535                                 ;;
3536
3537                         *)
3538                                 if test x$pass2done = xyes
3539                                 then
3540                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3541                                         exit 1
3542                                 fi
3543                                 ;;
3544                 esac
3545                 ;;
3546         sparc*-*-*)
3547                 case ".$with_cpu" in
3548                         .)
3549                                 target_cpu_default2=TARGET_CPU_"`echo $machine | sed 's/-.*$//'`"
3550                                 ;;
3551                         .supersparc | .hypersparc | .ultrasparc | .v7 | .v8 | .v9)
3552                                 target_cpu_default2="TARGET_CPU_$with_cpu"
3553                                 ;;
3554                         *)
3555                                 if test x$pass2done = xyes
3556                                 then
3557                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3558                                         exit 1
3559                                 fi
3560                                 ;;
3561                 esac
3562                 ;;
3563         esac
3564
3565         if test "$target_cpu_default2" != ""
3566         then
3567                 if test "$target_cpu_default" != ""
3568                 then
3569                         target_cpu_default="(${target_cpu_default}|${target_cpu_default2})"
3570                 else
3571                         target_cpu_default=$target_cpu_default2
3572                 fi
3573         fi
3574
3575         # No need for collect2 if we have the GNU linker.
3576         # Actually, there is now; GNU ld doesn't handle the EH info or
3577         # collecting for shared libraries.
3578         #case x$gnu_ld in
3579         #xyes)
3580         #       use_collect2=
3581         #       ;;
3582         #esac
3583
3584 # Save data on machine being used to compile GCC in build_xm_file.
3585 # Save data on host machine in vars host_xm_file and host_xmake_file.
3586         if test x$pass1done = x
3587         then
3588                 if test x"$xm_file" = x
3589                 then build_xm_file=$cpu_type/xm-$cpu_type.h
3590                 else build_xm_file=$xm_file
3591                 fi
3592                 build_xm_defines=$xm_defines
3593                 build_install_headers_dir=$install_headers_dir
3594                 build_exeext=$exeext
3595                 pass1done=yes
3596         else
3597                 if test x$pass2done = x
3598                 then
3599                         if test x"$xm_file" = x
3600                         then host_xm_file=$cpu_type/xm-$cpu_type.h
3601                         else host_xm_file=$xm_file
3602                         fi
3603                         host_xm_defines=$xm_defines
3604                         if test x"$xmake_file" = x
3605                         then xmake_file=$cpu_type/x-$cpu_type
3606                         fi
3607                         host_xmake_file="$xmake_file"
3608                         host_truncate_target=$truncate_target
3609                         host_extra_gcc_objs=$extra_gcc_objs
3610                         host_extra_objs=$extra_host_objs
3611                         host_exeext=$exeext
3612                         pass2done=yes
3613                 fi
3614         fi
3615 done
3616
3617 extra_objs="${host_extra_objs} ${extra_objs}"
3618
3619 # Default the target-machine variables that were not explicitly set.
3620 if test x"$tm_file" = x
3621 then tm_file=$cpu_type/$cpu_type.h; fi
3622
3623 if test x$extra_headers = x
3624 then extra_headers=; fi
3625
3626 if test x"$xm_file" = x
3627 then xm_file=$cpu_type/xm-$cpu_type.h; fi
3628
3629 if test x$md_file = x
3630 then md_file=$cpu_type/$cpu_type.md; fi
3631
3632 if test x$out_file = x
3633 then out_file=$cpu_type/$cpu_type.c; fi
3634
3635 if test x"$tmake_file" = x
3636 then tmake_file=$cpu_type/t-$cpu_type
3637 fi
3638
3639 if test x"$dwarf2" = xyes
3640 then tm_file="tm-dwarf2.h $tm_file"
3641 fi
3642
3643 if test x$float_format = x
3644 then float_format=i64
3645 fi
3646
3647 if test $float_format = none
3648 then float_h_file=Makefile.in
3649 else float_h_file=float-$float_format.h
3650 fi
3651
3652 if test x$enable_haifa = x
3653 then
3654   case $target in
3655     alpha*-* | hppa*-* | powerpc*-* | rs6000-* | *sparc*-* | m32r*-*)
3656       enable_haifa=yes;;
3657   esac
3658 fi
3659
3660 # Handle cpp installation.
3661 if test x$enable_cpp != xno
3662 then
3663   tmake_file="$tmake_file t-install-cpp"
3664 fi
3665
3666 # Say what files are being used for the output code and MD file.
3667 echo "Using \`$srcdir/config/$out_file' to output insns."
3668 echo "Using \`$srcdir/config/$md_file' as machine description file."
3669
3670 count=a
3671 for f in $tm_file; do
3672         count=${count}x
3673 done
3674 if test $count = ax; then
3675         echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
3676 else
3677         echo "Using the following target machine macro files:"
3678         for f in $tm_file; do
3679                 echo "  $srcdir/config/$f"
3680         done
3681 fi
3682
3683 count=a
3684 for f in $host_xm_file; do
3685         count=${count}x
3686 done
3687 if test $count = ax; then
3688         echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
3689 else
3690         echo "Using the following host machine macro files:"
3691         for f in $host_xm_file; do
3692                 echo "  $srcdir/config/$f"
3693         done
3694 fi
3695
3696 if test "$host_xm_file" != "$build_xm_file"; then
3697         count=a
3698         for f in $build_xm_file; do
3699                 count=${count}x
3700         done
3701         if test $count = ax; then
3702                 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
3703         else
3704                 echo "Using the following build machine macro files:"
3705                 for f in $build_xm_file; do
3706                         echo "  $srcdir/config/$f"
3707                 done
3708         fi
3709 fi
3710
3711 if test x$thread_file = x; then
3712         if test x$target_thread_file != x; then
3713                 thread_file=$target_thread_file
3714         else
3715                 thread_file='single'
3716         fi
3717 fi
3718
3719 # Set up the header files.
3720 # $links is the list of header files to create.
3721 # $vars is the list of shell variables with file names to include.
3722 # auto-host.h is the file containing items generated by autoconf and is
3723 # the first file included by config.h.
3724 null_defines=
3725 host_xm_file="auto-host.h gansidecl.h ${host_xm_file} hwint.h"
3726
3727 # If host=build, it is correct to have hconfig include auto-host.h
3728 # as well.  If host!=build, we are in error and need to do more
3729 # work to find out the build config parameters.
3730 if test x$host = x$build
3731 then
3732         build_xm_file="auto-host.h gansidecl.h ${build_xm_file} hwint.h"
3733 else
3734         # We create a subdir, then run autoconf in the subdir.
3735         # To prevent recursion we set host and build for the new
3736         # invocation of configure to the build for this invocation
3737         # of configure.
3738         tempdir=build.$$
3739         rm -rf $tempdir
3740         mkdir $tempdir
3741         cd $tempdir
3742         case ${srcdir} in
3743         /*) realsrcdir=${srcdir};;
3744         *) realsrcdir=../${srcdir};;
3745         esac
3746         CC=${CC_FOR_BUILD} ${realsrcdir}/configure \
3747                 --target=$target --host=$build --build=$build
3748
3749         # We just finished tests for the build machine, so rename
3750         # the file auto-build.h in the gcc directory.
3751         mv auto-host.h ../auto-build.h
3752         cd ..
3753         rm -rf $tempdir
3754         build_xm_file="auto-build.h gansidecl.h ${build_xm_file} hwint.h"
3755 fi
3756
3757 xm_file="gansidecl.h ${xm_file}"
3758 tm_file="gansidecl.h ${tm_file}"
3759
3760 vars="host_xm_file tm_file xm_file build_xm_file"
3761 links="config.h tm.h tconfig.h hconfig.h"
3762 defines="host_xm_defines null_defines xm_defines build_xm_defines"
3763
3764 rm -f config.bak
3765 if test -f config.status; then mv -f config.status config.bak; fi
3766
3767 # Make the links.
3768 while test -n "$vars"
3769 do
3770         set $vars; var=$1; shift; vars=$*
3771         set $links; link=$1; shift; links=$*
3772         set $defines; define=$1; shift; defines=$*
3773
3774         rm -f $link
3775
3776         # Define TARGET_CPU_DEFAULT if the system wants one.
3777         # This substitutes for lots of *.h files.
3778         if test "$target_cpu_default" != "" -a $link = tm.h
3779         then
3780                 echo "#define TARGET_CPU_DEFAULT ($target_cpu_default)" >>$link
3781         fi
3782
3783         for file in `eval echo '$'$var`; do
3784                 case $file in
3785                 auto-config.h)
3786                         ;;
3787                 *)
3788                         echo '#ifdef IN_GCC' >>$link
3789                         ;;
3790                 esac
3791                 echo "#include \"$file\"" >>$link
3792                 case $file in
3793                 auto-config.h)
3794                         ;;
3795                 *)
3796                         echo '#endif' >>$link
3797                         ;;
3798                 esac
3799         done
3800
3801         for def in `eval echo '$'$define`; do
3802                 echo "#ifndef $def" >>$link
3803                 echo "#define $def" >>$link
3804                 echo "#endif" >>$link
3805         done
3806 done
3807
3808 # Truncate the target if necessary
3809 if test x$host_truncate_target != x; then
3810         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
3811 fi
3812
3813 # Get the version trigger filename from the toplevel
3814 if test "${with_gcc_version_trigger+set}" = set; then
3815         gcc_version_trigger=$with_gcc_version_trigger
3816 else
3817         gcc_version_trigger=${srcdir}/version.c
3818 fi
3819 changequote(,)dnl
3820 gcc_version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${gcc_version_trigger}`
3821 changequote([,])dnl
3822
3823 # Internationalization
3824 PACKAGE=gcc
3825 VERSION="$gcc_version"
3826 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
3827 AC_DEFINE_UNQUOTED(VERSION, "$VERSION")
3828 AC_SUBST(PACKAGE)
3829 AC_SUBST(VERSION)
3830
3831 ALL_LINGUAS="en_UK"
3832
3833 # NLS support is still experimental, so disable it by default for now.
3834 AC_ARG_ENABLE(nls,
3835   [  --enable-nls            use Native Language Support (disabled by default)],
3836   , enable_nls=no)
3837
3838 AM_GNU_GETTEXT
3839 XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT"
3840
3841 # Get an absolute path to the GCC top-level source directory
3842 holddir=`pwd`
3843 cd $srcdir
3844 topdir=`pwd`
3845 cd $holddir
3846
3847 # Conditionalize the makefile for this host machine.
3848 # Make-host contains the concatenation of all host makefile fragments
3849 # [there can be more than one].  This file is built by configure.frag.
3850 host_overrides=Make-host
3851 dep_host_xmake_file=
3852 for f in .. ${host_xmake_file}
3853 do
3854         if test -f ${srcdir}/config/$f
3855         then
3856                 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
3857         fi
3858 done
3859
3860 # Conditionalize the makefile for this target machine.
3861 # Make-target contains the concatenation of all host makefile fragments
3862 # [there can be more than one].  This file is built by configure.frag.
3863 target_overrides=Make-target
3864 dep_tmake_file=
3865 for f in .. ${tmake_file}
3866 do
3867         if test -f ${srcdir}/config/$f
3868         then
3869                 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
3870         fi
3871 done
3872
3873 # If the host doesn't support symlinks, modify CC in
3874 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
3875 # Otherwise, we can use "CC=$(CC)".
3876 rm -f symtest.tem
3877 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
3878 then
3879         cc_set_by_configure="\$(CC)"
3880         quoted_cc_set_by_configure="\$(CC)"
3881         stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
3882 else
3883         rm -f symtest.tem
3884         if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
3885         then
3886                 symbolic_link="cp -p"
3887         else
3888                 symbolic_link="cp"
3889         fi
3890         cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
3891         quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
3892         stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
3893 fi
3894 rm -f symtest.tem
3895
3896 out_object_file=`basename $out_file .c`.o
3897
3898 tm_file_list=
3899 for f in $tm_file; do
3900   case $f in
3901     gansidecl.h )
3902        tm_file_list="${tm_file_list} $f" ;;
3903     *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
3904   esac
3905 done
3906
3907 host_xm_file_list=
3908 for f in $host_xm_file; do
3909   case $f in
3910     auto-host.h | gansidecl.h | hwint.h )
3911        host_xm_file_list="${host_xm_file_list} $f" ;;
3912     *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
3913   esac
3914 done
3915
3916 build_xm_file_list=
3917 for f in $build_xm_file; do
3918   case $f in
3919     auto-build.h | auto-host.h | gansidecl.h | hwint.h )
3920        build_xm_file_list="${build_xm_file_list} $f" ;;
3921     *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
3922   esac
3923 done
3924
3925 # Define macro CROSS_COMPILE in compilation
3926 # if this is a cross-compiler.
3927 # Also use all.cross instead of all.internal
3928 # and add cross-make to Makefile.
3929 cross_overrides="/dev/null"
3930 if test x$host != x$target
3931 then
3932         cross_defines="CROSS=-DCROSS_COMPILE"
3933         cross_overrides="${topdir}/cross-make"
3934 fi
3935
3936 # When building gcc with a cross-compiler, we need to fix a few things.
3937 # This must come after cross-make as we want all.build to override
3938 # all.cross.
3939 build_overrides="/dev/null"
3940 if test x$build != x$host
3941 then
3942         build_overrides="${topdir}/build-make"
3943 fi
3944
3945 # Expand extra_headers to include complete path.
3946 # This substitutes for lots of t-* files.
3947 extra_headers_list=
3948 if test "x$extra_headers" = x
3949 then true
3950 else
3951         # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
3952         for file in $extra_headers;
3953         do
3954                 extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
3955         done
3956 fi
3957
3958 if test x$use_collect2 = xno; then
3959         use_collect2=
3960 fi
3961
3962 # Add a definition of USE_COLLECT2 if system wants one.
3963 # Also tell toplev.c what to do.
3964 # This substitutes for lots of t-* files.
3965 if test x$use_collect2 = x
3966 then
3967         will_use_collect2=
3968         maybe_use_collect2=
3969 else
3970         will_use_collect2="collect2"
3971         maybe_use_collect2="-DUSE_COLLECT2"
3972 fi
3973
3974 # NEED TO CONVERT
3975 # Set MD_DEPS if the real md file is in md.pre-cpp.
3976 # Set MD_CPP to the cpp to pass the md file through.  Md files use ';'
3977 # for line oriented comments, so we must always use a GNU cpp.  If
3978 # building gcc with a cross compiler, use the cross compiler just
3979 # built.  Otherwise, we can use the cpp just built.
3980 md_file_sub=
3981 if test "x$md_cppflags" = x
3982 then
3983         md_file_sub=$srcdir/config/$md_file
3984 else
3985         md_file=md
3986 fi
3987
3988 # If we have gas in the build tree, make a link to it.
3989 if test -f ../gas/Makefile; then
3990         rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
3991 fi
3992
3993 # If we have nm in the build tree, make a link to it.
3994 if test -f ../binutils/Makefile; then
3995         rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
3996 fi
3997
3998 # If we have ld in the build tree, make a link to it.
3999 if test -f ../ld/Makefile; then
4000 #       if test x$use_collect2 = x; then
4001 #               rm -f ld; $symbolic_link ../ld/ld-new$host_exeext ld$host_exeext 2>/dev/null
4002 #       else
4003                 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
4004 #       fi
4005 fi
4006
4007 # Figure out what assembler alignment features are present.
4008 AC_MSG_CHECKING(assembler alignment features)
4009 gcc_cv_as=
4010 gcc_cv_as_alignment_features=
4011 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
4012 if test -x "$DEFAULT_ASSEMBLER"; then
4013         gcc_cv_as="$DEFAULT_ASSEMBLER"
4014 elif test -x "$AS"; then
4015         gcc_cv_as="$AS"
4016 elif test -x as$host_exeext; then
4017         # Build using assembler in the current directory.
4018         gcc_cv_as=./as$host_exeext
4019 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
4020         # Single tree build which includes gas.
4021         for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
4022         do
4023 changequote(,)dnl
4024                 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
4025 changequote([,])dnl
4026                 if test x$gcc_cv_gas_version != x; then
4027                         break
4028                 fi
4029         done
4030 changequote(,)dnl
4031         gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
4032         gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
4033 changequote([,])dnl
4034         if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
4035                 # Gas version 2.6 and later support for .balign and .p2align.
4036                 # bytes to skip when using .p2align.
4037                 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
4038                         gcc_cv_as_alignment_features=".balign and .p2align"
4039                         AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
4040                 fi
4041                 # Gas version 2.8 and later support specifying the maximum
4042                 # bytes to skip when using .p2align.
4043                 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
4044                         gcc_cv_as_alignment_features=".p2align including maximum skip"
4045                         AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
4046                 fi
4047         fi
4048 elif test x$host = x$target; then
4049         # Native build.
4050         # Search the same directories that the installed compiler will
4051         # search.  Else we may find the wrong assembler and lose.  If we
4052         # do not find a suitable assembler binary, then try the user's
4053         # path.
4054         #
4055         # Also note we have to check MD_EXEC_PREFIX before checking the
4056         # user's path.  Unfortunately, there is no good way to get at the
4057         # value of MD_EXEC_PREFIX here.  So we do a brute force search
4058         # through all the known MD_EXEC_PREFIX values.  Ugh.  This needs
4059         # to be fixed as part of the make/configure rewrite too.
4060
4061         if test "x$exec_prefix" = xNONE; then
4062                 if test "x$prefix" = xNONE; then
4063                         test_prefix=/usr/local
4064                 else
4065                         test_prefix=$prefix
4066                 fi
4067         else
4068                 test_prefix=$exec_prefix
4069         fi
4070
4071         # If the loop below does not find an assembler, then use whatever
4072         # one we can find in the users's path.
4073         # user's path.
4074         as=as$host_exeext
4075
4076         test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
4077                    $test_prefix/lib/gcc-lib/$target \
4078                    /usr/lib/gcc/$target/$gcc_version \
4079                    /usr/lib/gcc/$target \
4080                    $test_prefix/$target/bin/$target/$gcc_version \
4081                    $test_prefix/$target/bin \
4082                    /usr/libexec \
4083                    /usr/ccs/gcc \
4084                    /usr/ccs/bin \
4085                    /udk/usr/ccs/bin \
4086                    /bsd43/usr/lib/cmplrs/cc \
4087                    /usr/cross64/usr/bin \
4088                    /usr/lib/cmplrs/cc \
4089                    /sysv/usr/lib/cmplrs/cc \
4090                    /svr4/usr/lib/cmplrs/cc \
4091                    /usr/bin"
4092
4093         for dir in $test_dirs; do
4094                 if test -f $dir/as$host_exeext; then
4095                         gcc_cv_as=$dir/as$host_exeext
4096                         break;
4097                 fi
4098         done
4099 fi
4100 if test x$gcc_cv_as != x; then
4101         # Check if we have .balign and .p2align
4102         echo ".balign  4" > conftest.s
4103         echo ".p2align  2" >> conftest.s
4104         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4105                 gcc_cv_as_alignment_features=".balign and .p2align"
4106                 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
4107         fi
4108         rm -f conftest.s conftest.o
4109         # Check if specifying the maximum bytes to skip when
4110         # using .p2align is supported.
4111         echo ".p2align 4,,7" > conftest.s
4112         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4113                 gcc_cv_as_alignment_features=".p2align including maximum skip"
4114                 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
4115         fi
4116         rm -f conftest.s conftest.o
4117 fi
4118 AC_MSG_RESULT($gcc_cv_as_alignment_features)
4119
4120 AC_MSG_CHECKING(assembler subsection support)
4121 gcc_cv_as_subsections=
4122 if test x$gcc_cv_as != x; then
4123         # Check if we have .subsection
4124         echo ".subsection 1" > conftest.s
4125         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4126                 gcc_cv_as_subsections=".subsection"
4127                 if test -x nm$host_exeext; then
4128                         gcc_cv_nm=./nm$host_exeext
4129                 elif test x$host = x$target; then
4130                         # Native build.
4131                         gcc_cv_nm=nm$host_exeext
4132                 fi
4133                 if test x$gcc_cv_nm != x; then
4134                         cat > conftest.s <<EOF
4135 conftest_label1: .word 0
4136 .subsection -1
4137 conftest_label2: .word 0
4138 .previous
4139 EOF
4140                         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4141                                 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
4142                                 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
4143                                 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
4144                                         :
4145                                 else
4146                                         gcc_cv_as_subsections="working .subsection -1"
4147                                         AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING)
4148                                 fi
4149                         fi
4150                 fi
4151         fi
4152         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
4153 fi
4154 AC_MSG_RESULT($gcc_cv_as_subsections)
4155
4156 case "$target" in
4157   sparc*-*-*)
4158     AC_MSG_CHECKING(assembler .register pseudo-op support)
4159     gcc_cv_as_register_pseudo_op=
4160     if test x$gcc_cv_as != x; then
4161         # Check if we have .register
4162         echo ".register %g2, #scratch" > conftest.s
4163         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4164                 gcc_cv_as_register_pseudo_op=yes
4165                 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP)
4166         fi
4167         rm -f conftest.s conftest.o
4168     fi
4169     AC_MSG_RESULT($gcc_cv_as_register_pseudo_op)
4170
4171     AC_MSG_CHECKING([assembler offsetable %lo() support])
4172     gcc_cv_as_offsetable_lo10=
4173     if test x$gcc_cv_as != x; then
4174         # Check if assembler has offsetable %lo()
4175         echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
4176         echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
4177         gcc_cv_as_flags64="-xarch=v9"
4178         if ! $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s > /dev/null 2>&1; then
4179                 gcc_cv_as_flags64="-64"
4180                 if ! $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s > /dev/null 2>&1; then
4181                         gcc_cv_as_flags64=""
4182                 fi
4183         fi
4184         if test -n "$gcc_cv_as_flags64" ; then
4185                 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s > /dev/null 2>&1; then
4186                         if cmp conftest.o conftest1.o > /dev/null 2>&1; then
4187                                 :
4188                         else
4189                                 gcc_cv_as_offsetable_lo10=yes
4190                                 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10)
4191                         fi
4192                 fi
4193         fi
4194         rm -f conftest.s conftest.o conftest1.s conftest1.o
4195     fi
4196     AC_MSG_RESULT($gcc_cv_as_offsetable_lo10)
4197     ;;
4198
4199 changequote(,)dnl
4200   i[34567]86-*-*)
4201 changequote([,])dnl
4202     AC_MSG_CHECKING(assembler instructions)
4203     gcc_cv_as_instructions=
4204     if test x$gcc_cv_as != x; then
4205         set "filds fists" "filds mem; fists mem"
4206         while test $# -gt 0
4207         do
4208                 echo "$2" > conftest.s
4209                 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4210                         gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
4211                         AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$1" | tr '[a-z ]' '[A-Z_]'`)
4212                 fi
4213                 shift 2
4214         done
4215         rm -f conftest.s conftest.o
4216     fi
4217     AC_MSG_RESULT($gcc_cv_as_instructions)
4218     ;;
4219 esac
4220
4221 # Figure out what language subdirectories are present.
4222 # Look if the user specified --enable-languages="..."; if not, use
4223 # the environment variable $LANGUAGES if defined. $LANGUAGES might
4224 # go away some day.
4225 if test x"${enable_languages+set}" != xset; then
4226         if test x"${LANGUAGES+set}" = xset; then
4227                 enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
4228         else
4229                 enable_languages=all
4230         fi
4231 fi
4232 subdirs=
4233 for lang in ${srcdir}/*/config-lang.in ..
4234 do
4235         case $lang in
4236         ..) ;;
4237         # The odd quoting in the next line works around
4238         # an apparent bug in bash 1.12 on linux.
4239 changequote(,)dnl
4240         ${srcdir}/[*]/config-lang.in) ;;
4241         *)
4242           lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
4243           if test "x$lang_alias" = x
4244           then
4245                 echo "$lang doesn't set \$language." 1>&2
4246                 exit 1
4247           fi
4248           if test x"${enable_languages}" = xall; then
4249                 add_this_lang=yes
4250           else
4251                 case "${enable_languages}" in
4252                     ${lang_alias} | "${lang_alias},"* | *",${lang_alias},"* | *",${lang_alias}" )
4253                         add_this_lang=yes
4254                         ;;
4255                     * )
4256                         add_this_lang=no
4257                         ;;
4258                 esac
4259           fi
4260           if test x"${add_this_lang}" = xyes; then
4261                 case $lang in
4262                     ${srcdir}/ada/config-lang.in)
4263                         if test x$gnat = xyes ; then
4264                                 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
4265                         fi
4266                         ;;
4267                     *)
4268                         subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
4269                         ;;
4270                 esac
4271           fi
4272           ;;
4273 changequote([,])dnl
4274         esac
4275 done
4276
4277 # Make gthr-default.h if we have a thread file.
4278 gthread_flags=
4279 if test $thread_file != single; then
4280     rm -f gthr-default.h
4281     echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
4282     gthread_flags=-DHAVE_GTHR_DEFAULT
4283 fi
4284 AC_SUBST(gthread_flags)
4285
4286 # Make empty files to contain the specs and options for each language.
4287 # Then add #include lines to for a compiler that has specs and/or options.
4288
4289 lang_specs_files=
4290 lang_options_files=
4291 lang_tree_files=
4292 rm -f specs.h options.h gencheck.h
4293 touch specs.h options.h gencheck.h
4294 for subdir in . $subdirs
4295 do
4296         if test -f $srcdir/$subdir/lang-specs.h; then
4297                 echo "#include \"$subdir/lang-specs.h\"" >>specs.h
4298                 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
4299         fi
4300         if test -f $srcdir/$subdir/lang-options.h; then
4301                 echo "#include \"$subdir/lang-options.h\"" >>options.h
4302                 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
4303         fi
4304         if test -f $srcdir/$subdir/$subdir-tree.def; then
4305                 echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h
4306                 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
4307         fi
4308 done
4309
4310 # These (without "all_") are set in each config-lang.in.
4311 # `language' must be a single word so is spelled singularly.
4312 all_languages=
4313 all_boot_languages=
4314 all_compilers=
4315 all_stagestuff=
4316 all_diff_excludes=
4317 all_outputs='Makefile intl/Makefile po/Makefile.in fixinc/Makefile'
4318 # List of language makefile fragments.
4319 all_lang_makefiles=
4320 all_headers=
4321 all_lib2funcs=
4322
4323 # Add the language fragments.
4324 # Languages are added via two mechanisms.  Some information must be
4325 # recorded in makefile variables, these are defined in config-lang.in.
4326 # We accumulate them and plug them into the main Makefile.
4327 # The other mechanism is a set of hooks for each of the main targets
4328 # like `clean', `install', etc.
4329
4330 language_fragments="Make-lang"
4331 language_hooks="Make-hooks"
4332 oldstyle_subdirs=
4333
4334 for s in .. $subdirs
4335 do
4336         if test $s != ".."
4337         then
4338                 language=
4339                 boot_language=
4340                 compilers=
4341                 stagestuff=
4342                 diff_excludes=
4343                 headers=
4344                 outputs=
4345                 lib2funcs=
4346                 . ${srcdir}/$s/config-lang.in
4347                 if test "x$language" = x
4348                 then
4349                         echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
4350                         exit 1
4351                 fi
4352                 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in ${srcdir}/$s/Makefile.in"
4353                 all_languages="$all_languages $language"
4354                 if test "x$boot_language" = xyes
4355                 then
4356                         all_boot_languages="$all_boot_languages $language"
4357                 fi
4358                 all_compilers="$all_compilers $compilers"
4359                 all_stagestuff="$all_stagestuff $stagestuff"
4360                 all_diff_excludes="$all_diff_excludes $diff_excludes"
4361                 all_headers="$all_headers $headers"
4362                 all_outputs="$all_outputs $outputs"
4363                 if test x$outputs = x
4364                 then
4365                         oldstyle_subdirs="$oldstyle_subdirs $s"
4366                 fi
4367                 all_lib2funcs="$all_lib2funcs $lib2funcs"
4368         fi
4369 done
4370
4371 # Since we can't use `::' targets, we link each language in
4372 # with a set of hooks, reached indirectly via lang.${target}.
4373
4374 rm -f Make-hooks
4375 touch Make-hooks
4376 target_list="all.build all.cross start.encap rest.encap \
4377         info dvi \
4378         install-normal install-common install-info install-man \
4379         uninstall distdir \
4380         mostlyclean clean distclean extraclean maintainer-clean \
4381         stage1 stage2 stage3 stage4"
4382 for t in $target_list
4383 do
4384         x=
4385         for lang in .. $all_languages
4386         do
4387                 if test $lang != ".."; then
4388                         x="$x $lang.$t"
4389                 fi
4390         done
4391         echo "lang.$t: $x" >> Make-hooks
4392 done
4393
4394 # If we're not building in srcdir, create .gdbinit.
4395
4396 if test ! -f Makefile.in; then
4397         echo "dir ." > .gdbinit
4398         echo "dir ${srcdir}" >> .gdbinit
4399         if test x$gdb_needs_out_file_path = xyes
4400         then
4401                 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
4402         fi
4403         if test "x$subdirs" != x; then
4404                 for s in $subdirs
4405                 do
4406                         echo "dir ${srcdir}/$s" >> .gdbinit
4407                 done
4408         fi
4409         echo "source ${srcdir}/.gdbinit" >> .gdbinit
4410 fi
4411
4412 # Define variables host_canonical and build_canonical
4413 # because some Cygnus local changes in the Makefile depend on them.
4414 build_canonical=${build}
4415 host_canonical=${host}
4416 target_subdir=
4417 if test "${host}" != "${target}" ; then
4418     target_subdir=${target}/
4419 fi
4420 AC_SUBST(build_canonical)
4421 AC_SUBST(host_canonical)
4422 AC_SUBST(target_subdir)
4423
4424 # If this is using newlib, then define inhibit_libc in
4425 # LIBGCC2_CFLAGS.  This will cause __eprintf to be left out of
4426 # libgcc.a, but that's OK because newib should have its own version of
4427 # assert.h.
4428 inhibit_libc=
4429 if test x$with_newlib = xyes; then
4430         inhibit_libc=-Dinhibit_libc
4431 fi
4432 AC_SUBST(inhibit_libc)
4433
4434 # Override SCHED_OBJ and SCHED_CFLAGS to enable the Haifa scheduler.
4435 sched_prefix=
4436 sched_cflags=
4437 if test x$enable_haifa = xyes; then
4438     echo "Using the Haifa scheduler."
4439     sched_prefix=haifa-
4440     sched_cflags=-DHAIFA
4441 fi
4442 AC_SUBST(sched_prefix)
4443 AC_SUBST(sched_cflags)
4444 if test x$enable_haifa != x; then
4445     # Explicitly remove files that need to be recompiled for the Haifa scheduler.
4446     for x in genattrtab.o toplev.o *sched.o; do
4447         if test -f $x; then
4448             echo "Removing $x"
4449             rm -f $x
4450         fi
4451     done
4452 fi
4453
4454 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
4455 # absolute path for gcc_tooldir based on inserting the number of up-directory
4456 # movements required to get from $(exec_prefix) to $(prefix) into the basic
4457 # $(libsubdir)/@(unlibsubdir) based path.
4458 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
4459 # make and thus we'd get different behavior depending on where we built the
4460 # sources.
4461 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
4462     gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
4463 else
4464 changequote(<<, >>)dnl
4465 # An explanation of the sed strings:
4466 #  -e 's|^\$(prefix)||'   matches and eliminates 'prefix' from 'exec_prefix'
4467 #  -e 's|/$||'            match a trailing forward slash and eliminates it
4468 #  -e 's|^[^/]|/|'        forces the string to start with a forward slash (*)
4469 #  -e 's|/[^/]*|../|g'    replaces each occurance of /<directory> with ../
4470 #
4471 # (*) Note this pattern overwrites the first character of the string
4472 # with a forward slash if one is not already present.  This is not a
4473 # problem because the exact names of the sub-directories concerned is
4474 # unimportant, just the number of them matters.
4475 #
4476 # The practical upshot of these patterns is like this:
4477 #
4478 #  prefix     exec_prefix        result
4479 #  ------     -----------        ------
4480 #   /foo        /foo/bar          ../
4481 #   /foo/       /foo/bar          ../
4482 #   /foo        /foo/bar/         ../
4483 #   /foo/       /foo/bar/         ../
4484 #   /foo        /foo/bar/ugg      ../../
4485 #
4486     dollar='$$'
4487     gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
4488 changequote([, ])dnl
4489 fi
4490 AC_SUBST(gcc_tooldir)
4491 AC_SUBST(dollar)
4492
4493 # Nothing to do for FLOAT_H, float_format already handled.
4494 objdir=`pwd`
4495 AC_SUBST(objdir)
4496
4497 # Process the language and host/target makefile fragments.
4498 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
4499
4500 # Substitute configuration variables
4501 AC_SUBST(subdirs)
4502 AC_SUBST(all_boot_languages)
4503 AC_SUBST(all_compilers)
4504 AC_SUBST(all_diff_excludes)
4505 AC_SUBST(all_headers)
4506 AC_SUBST(all_lang_makefiles)
4507 AC_SUBST(all_languages)
4508 AC_SUBST(all_lib2funcs)
4509 AC_SUBST(all_stagestuff)
4510 AC_SUBST(build_exeext)
4511 AC_SUBST(build_install_headers_dir)
4512 AC_SUBST(build_xm_file_list)
4513 AC_SUBST(cc_set_by_configure)
4514 AC_SUBST(quoted_cc_set_by_configure)
4515 AC_SUBST(cpp_install_dir)
4516 AC_SUBST(cpp_main)
4517 AC_SUBST(dep_host_xmake_file)
4518 AC_SUBST(dep_tmake_file)
4519 AC_SUBST(extra_c_flags)
4520 AC_SUBST(extra_c_objs)
4521 AC_SUBST(extra_cpp_objs)
4522 AC_SUBST(extra_cxx_objs)
4523 AC_SUBST(extra_headers_list)
4524 AC_SUBST(extra_objs)
4525 AC_SUBST(extra_parts)
4526 AC_SUBST(extra_passes)
4527 AC_SUBST(extra_programs)
4528 AC_SUBST(fixinc_defs)
4529 AC_SUBST(float_h_file)
4530 AC_SUBST(gcc_gxx_include_dir)
4531 AC_SUBST(gcc_version)
4532 AC_SUBST(gcc_version_trigger)
4533 AC_SUBST(host_exeext)
4534 AC_SUBST(host_extra_gcc_objs)
4535 AC_SUBST(host_xm_file_list)
4536 AC_SUBST(install)
4537 AC_SUBST(lang_options_files)
4538 AC_SUBST(lang_specs_files)
4539 AC_SUBST(lang_tree_files)
4540 AC_SUBST(local_prefix)
4541 AC_SUBST(maybe_use_collect2)
4542 AC_SUBST(md_file)
4543 AC_SUBST(objc_boehm_gc)
4544 AC_SUBST(out_file)
4545 AC_SUBST(out_object_file)
4546 AC_SUBST(stage_prefix_set_by_configure)
4547 AC_SUBST(symbolic_link)
4548 AC_SUBST(thread_file)
4549 AC_SUBST(tm_file_list)
4550 AC_SUBST(will_use_collect2)
4551
4552
4553 AC_SUBST_FILE(target_overrides)
4554 AC_SUBST_FILE(host_overrides)
4555 AC_SUBST(cross_defines)
4556 AC_SUBST_FILE(cross_overrides)
4557 AC_SUBST_FILE(build_overrides)
4558 AC_SUBST_FILE(language_fragments)
4559 AC_SUBST_FILE(language_hooks)
4560
4561 # Echo that links are built
4562 if test x$host = x$target
4563 then
4564         str1="native "
4565 else
4566         str1="cross-"
4567         str2=" from $host"
4568 fi
4569
4570 if test x$host != x$build
4571 then
4572         str3=" on a $build system"
4573 fi
4574
4575 if test "x$str2" != x || test "x$str3" != x
4576 then
4577         str4=
4578 fi
4579
4580 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
4581
4582 if test "x$str2" != x || test "x$str3" != x
4583 then
4584         echo " ${str2}${str3}." 1>&2
4585 fi
4586
4587 # Truncate the target if necessary
4588 if test x$host_truncate_target != x; then
4589         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
4590 fi
4591
4592 # Configure the subdirectories
4593 # AC_CONFIG_SUBDIRS($subdirs)
4594
4595 # Create the Makefile
4596 # and configure language subdirectories
4597 AC_OUTPUT($all_outputs,
4598 [
4599 . $srcdir/configure.lang
4600 case x$CONFIG_HEADERS in
4601 xauto-host.h:config.in)
4602 echo > cstamp-h ;;
4603 esac
4604 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
4605 # bootstrapping and the installation procedure can still use
4606 # CC="stage1/xgcc -Bstage1/".  If the host doesn't support symlinks,
4607 # FLAGS_TO_PASS has been modified to solve the problem there.
4608 # This is virtually a duplicate of what happens in configure.lang; we do
4609 # an extra check to make sure this only happens if ln -s can be used.
4610 if test "$symbolic_link" = "ln -s"; then
4611  for d in .. ${subdirs} ; do
4612    if test $d != ..; then
4613         STARTDIR=`pwd`
4614         cd $d
4615         for t in stage1 stage2 stage3 stage4 include
4616         do
4617                 rm -f $t
4618                 $symbolic_link ../$t $t 2>/dev/null
4619         done
4620         cd $STARTDIR
4621    fi
4622  done
4623 else true ; fi
4624 # Avoid having to add intl to our include paths.
4625 if test -f intl/libintl.h; then
4626   echo creating libintl.h
4627   echo '#include "intl/libintl.h"' >libintl.h
4628 fi
4629 ],
4630 [
4631 host='${host}'
4632 build='${build}'
4633 target='${target}'
4634 target_alias='${target_alias}'
4635 srcdir='${srcdir}'
4636 subdirs='${subdirs}'
4637 oldstyle_subdirs='${oldstyle_subdirs}'
4638 symbolic_link='${symbolic_link}'
4639 program_transform_set='${program_transform_set}'
4640 program_transform_name='${program_transform_name}'
4641 dep_host_xmake_file='${dep_host_xmake_file}'
4642 host_xmake_file='${host_xmake_file}'
4643 dep_tmake_file='${dep_tmake_file}'
4644 tmake_file='${tmake_file}'
4645 thread_file='${thread_file}'
4646 gcc_version='${gcc_version}'
4647 gcc_version_trigger='${gcc_version_trigger}'
4648 local_prefix='${local_prefix}'
4649 build_install_headers_dir='${build_install_headers_dir}'
4650 build_exeext='${build_exeext}'
4651 host_exeext='${host_exeext}'
4652 out_file='${out_file}'
4653 gdb_needs_out_file_path='${gdb_needs_out_file_path}'
4654 SET_MAKE='${SET_MAKE}'
4655 target_list='${target_list}'
4656 target_overrides='${target_overrides}'
4657 host_overrides='${host_overrides}'
4658 cross_defines='${cross_defines}'
4659 cross_overrides='${cross_overrides}'
4660 build_overrides='${build_overrides}'
4661 cpp_install_dir='${cpp_install_dir}'
4662 ])