gcc/configure.in

   1 # configure.in for GNU CC
   2 # Process this file with autoconf to generate a configuration script.
   3
   4 # Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
   5
   6 #This file is part of GNU CC.
   7
   8 #GNU CC is free software; you can redistribute it and/or modify
   9 #it under the terms of the GNU General Public License as published by
  10 #the Free Software Foundation; either version 2, or (at your option)
  11 #any later version.
  12
  13 #GNU CC is distributed in the hope that it will be useful,
  14 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #GNU General Public License for more details.
  17
  18 #You should have received a copy of the GNU General Public License
  19 #along with GNU CC; see the file COPYING.  If not, write to
  20 #the Free Software Foundation, 59 Temple Place - Suite 330,
  21 #Boston, MA 02111-1307, USA.
  22
  23 # Initialization and defaults
  24 AC_PREREQ(2.12.1)
  25 AC_INIT(tree.c)
  26 AC_CONFIG_HEADER(auto-host.h:config.in)
  27
  28 remove=rm
  29 hard_link=ln
  30 symbolic_link='ln -s'
  31 copy=cp
  32
  33 # Check for bogus environment variables.
  34 # Test if LIBRARY_PATH contains the notation for the current directory
  35 # since this would lead to problems installing/building glibc.
  36 # LIBRARY_PATH contains the current directory if one of the following
  37 # is true:
  38 # - one of the terminals (":" and ";") is the first or last sign
  39 # - two terminals occur directly after each other
  40 # - the path contains an element with a dot in it
  41 AC_MSG_CHECKING(LIBRARY_PATH variable)
  42 changequote(,)dnl
  43 case ${LIBRARY_PATH} in
  44   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
  45     library_path_setting="contains current directory"
  46     ;;
  47   *)
  48     library_path_setting="ok"
  49     ;;
  50 esac
  51 changequote([,])dnl
  52 AC_MSG_RESULT($library_path_setting)
  53 if test "$library_path_setting" != "ok"; then
  54 AC_MSG_ERROR([
  55 *** LIBRARY_PATH shouldn't contain the current directory when
  56 *** building egcs. Please change the environment variable
  57 *** and run configure again.])
  58 fi
  59
  60 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
  61 # since this would lead to problems installing/building glibc.
  62 # GCC_EXEC_PREFIX contains the current directory if one of the following
  63 # is true:
  64 # - one of the terminals (":" and ";") is the first or last sign
  65 # - two terminals occur directly after each other
  66 # - the path contains an element with a dot in it
  67 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
  68 changequote(,)dnl
  69 case ${GCC_EXEC_PREFIX} in
  70   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
  71     gcc_exec_prefix_setting="contains current directory"
  72     ;;
  73   *)
  74     gcc_exec_prefix_setting="ok"
  75     ;;
  76 esac
  77 changequote([,])dnl
  78 AC_MSG_RESULT($gcc_exec_prefix_setting)
  79 if test "$gcc_exec_prefix_setting" != "ok"; then
  80 AC_MSG_ERROR([
  81 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
  82 *** building egcs. Please change the environment variable
  83 *** and run configure again.])
  84 fi
  85
  86 # Check for additional parameters
  87
  88 # With GNU ld
  89 AC_ARG_WITH(gnu-ld,
  90 [  --with-gnu-ld           arrange to work with GNU ld.],
  91 gnu_ld_flag="$with_gnu_ld",
  92 gnu_ld_flag=no)
  93
  94 # With pre-defined ld
  95 AC_ARG_WITH(ld,
  96 [  --with-ld               arrange to use the specified ld (full pathname).],
  97 DEFAULT_LINKER="$with_ld")
  98 if test x"${DEFAULT_LINKER+set}" = x"set"; then
  99   if test ! -x "$DEFAULT_LINKER"; then
 100     AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
 101   elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
 102     gnu_ld_flag=yes
 103   fi
 104   AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER")
 105 fi
 106
 107 # With GNU as
 108 AC_ARG_WITH(gnu-as,
 109 [  --with-gnu-as           arrange to work with GNU as.],
 110 gas_flag="$with_gnu_as",
 111 gas_flag=no)
 112
 113 AC_ARG_WITH(as,
 114 [  --with-as               arrange to use the specified as (full pathname).],
 115 DEFAULT_ASSEMBLER="$with_as")
 116 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
 117   if test ! -x "$DEFAULT_ASSEMBLER"; then
 118     AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
 119   elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
 120     gas_flag=yes
 121   fi
 122   AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER")
 123 fi
 124
 125 # With stabs
 126 AC_ARG_WITH(stabs,
 127 [  --with-stabs            arrange to use stabs instead of host debug format.],
 128 stabs="$with_stabs",
 129 stabs=no)
 130
 131 # With ELF
 132 AC_ARG_WITH(elf,
 133 [  --with-elf              arrange to use ELF instead of host debug format.],
 134 elf="$with_elf",
 135 elf=no)
 136
 137 # Specify the local prefix
 138 local_prefix=
 139 AC_ARG_WITH(local-prefix,
 140 [  --with-local-prefix=DIR specifies directory to put local include.],
 141 [case "${withval}" in
 142 yes)    AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
 143 no)     ;;
 144 *)      local_prefix=$with_local_prefix ;;
 145 esac])
 146
 147 # Default local prefix if it is empty
 148 if test x$local_prefix = x; then
 149         local_prefix=/usr/local
 150 fi
 151
 152 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
 153 # passed in by the toplevel make and thus we'd get different behavior
 154 # depending on where we built the sources.
 155 gcc_gxx_include_dir=
 156 # Specify the g++ header file directory
 157 AC_ARG_WITH(gxx-include-dir,
 158 [  --with-gxx-include-dir=DIR
 159                           specifies directory to put g++ header files.],
 160 [case "${withval}" in
 161 yes)    AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
 162 no)     ;;
 163 *)      gcc_gxx_include_dir=$with_gxx_include_dir ;;
 164 esac])
 165
 166 if test x${gcc_gxx_include_dir} = x; then
 167   if test x${enable_version_specific_runtime_libs} = xyes; then
 168     gcc_gxx_include_dir='${libsubdir}/include/g++'
 169   else
 170     topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
 171 changequote(<<, >>)dnl
 172     gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/g++"-${libstdcxx_interface}
 173 changequote([, ])dnl
 174   fi
 175 fi
 176
 177 # Enable expensive internal checks
 178 AC_ARG_ENABLE(checking,
 179 [  --enable-checking       enable expensive run-time checks.],
 180 [case "${enableval}" in
 181 yes)    AC_DEFINE(ENABLE_CHECKING) ;;
 182 no)     ;;
 183 *)      AC_MSG_ERROR(bad value ${enableval} given for checking option) ;;
 184 esac])
 185
 186 AC_ARG_ENABLE(cpp,
 187 [  --disable-cpp           don't provide a user-visible C preprocessor.],
 188 [], [enable_cpp=yes])
 189
 190 AC_ARG_WITH(cpp_install_dir,
 191 [  --with-cpp-install-dir=DIR
 192                           install the user visible C preprocessor in DIR
 193                           (relative to PREFIX) as well as PREFIX/bin.],
 194 [if test x$withval = xyes; then
 195   AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
 196 elif test x$withval != xno; then
 197   cpp_install_dir=$withval
 198 fi])
 199
 200 # Use cpplib+cppmain for the preprocessor, but don't link it with the compiler.
 201 cpp_main=cccp
 202 AC_ARG_ENABLE(cpplib,
 203 [  --enable-cpplib         use cpplib for the C preprocessor.],
 204 if test x$enable_cpplib != xno; then
 205   cpp_main=cppmain
 206 fi)
 207
 208 # Link cpplib into the compiler proper, for C/C++/ObjC.
 209 AC_ARG_ENABLE(c-cpplib,
 210 [  --enable-c-cpplib       link cpplib directly into C and C++ compilers
 211                           (EXPERIMENTAL) (implies --enable-cpplib).],
 212 if test x$enable_c_cpplib != xno; then
 213   extra_c_objs="${extra_c_objs} libcpp.a"
 214   extra_cxx_objs="${extra_cxx_objs} ../libcpp.a"
 215   extra_c_flags="${extra_c_flags} -DUSE_CPPLIB=1"
 216   cpp_main=cppmain
 217 fi)
 218
 219 # Enable Multibyte Characters for C/C++
 220 AC_ARG_ENABLE(c-mbchar,
 221 [  --enable-c-mbchar       enable multibyte characters for C and C++.],
 222 if test x$enable_c_mbchar != xno; then
 223   extra_c_flags=-DMULTIBYTE_CHARS=1
 224 fi)
 225
 226 # Disable fast fixincludes
 227 AC_ARG_ENABLE(fast-fixincludes,
 228 [  --disable-fast-fixincludes
 229                          Disable the new fast fixincludes.
 230                          Run the old fixincludes script unconditionally],
 231 if test x$enable_fast_fixincludes = xno ; then
 232   cp $srcdir/fixincludes ./fixinc.sh
 233 fi)
 234
 235 # Enable Haifa scheduler.
 236 AC_ARG_ENABLE(haifa,
 237 [  --enable-haifa          use the experimental scheduler.
 238   --disable-haifa         don't use the experimental scheduler for the
 239                           targets which normally enable it.])
 240
 241 # Enable threads
 242 # Pass with no value to take the default
 243 # Pass with a value to specify a thread package
 244 AC_ARG_ENABLE(threads,
 245 [  --enable-threads        enable thread usage for target GCC.
 246   --enable-threads=LIB    use LIB thread package for target GCC.],
 247 if test x$enable_threads = xno; then
 248         enable_threads=''
 249 fi,
 250 enable_threads='')
 251
 252 enable_threads_flag=$enable_threads
 253 # Check if a valid thread package
 254 case x${enable_threads_flag} in
 255         x | xno)
 256                 # No threads
 257                 target_thread_file='single'
 258                 ;;
 259         xyes)
 260                 # default
 261                 target_thread_file=''
 262                 ;;
 263         xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
 264         xsolaris | xwin32 | xdce | xvxworks)
 265                 target_thread_file=$enable_threads_flag
 266                 ;;
 267         *)
 268                 echo "$enable_threads is an unknown thread package" 1>&2
 269                 exit 1
 270                 ;;
 271 esac
 272
 273 AC_ARG_ENABLE(objc-gc,
 274 [  --enable-objc-gc       enable the use of Boehm's garbage collector with
 275                           the GNU Objective-C runtime.],
 276 if [[[ x$enable_objc_gc = xno ]]]; then
 277         objc_boehm_gc=''
 278 else
 279         objc_boehm_gc=1
 280 fi,
 281 objc_boehm_gc='')
 282
 283 AC_ARG_ENABLE(java-gc,
 284 changequote(<<,>>)dnl
 285 <<  --enable-java-gc=TYPE   choose garbage collector [boehm]>>,
 286 changequote([,])
 287   JAVAGC=$enableval,
 288   JAVAGC=boehm)
 289
 290 AC_ARG_WITH(dwarf2,
 291 [  --enable-dwarf2        enable DWARF2 debugging as default.],
 292 dwarf2="$with_dwarf2",
 293 dwarf2=no)
 294
 295 # Determine the host, build, and target systems
 296 AC_CANONICAL_SYSTEM
 297
 298 # Find the native compiler
 299 AC_PROG_CC
 300
 301 # If the native compiler is GCC, we can enable warnings even in stage1.
 302 # That's useful for people building cross-compilers, or just running a
 303 # quick `make'.
 304 if test "x$GCC" = "xyes"; then
 305   stage1_warn_cflags='$(WARN_CFLAGS)'
 306 else
 307   stage1_warn_cflags=""
 308 fi
 309 AC_SUBST(stage1_warn_cflags)
 310
 311 AC_PROG_MAKE_SET
 312
 313 AC_MSG_CHECKING([whether a default assembler was specified])
 314 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
 315     if test x"$gas_flag" = x"no"; then
 316         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
 317     else
 318         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
 319     fi
 320 else
 321     AC_MSG_RESULT(no)
 322 fi
 323
 324 AC_MSG_CHECKING([whether a default linker was specified])
 325 if test x"${DEFAULT_LINKER+set}" = x"set"; then
 326     if test x"$gnu_ld_flag" = x"no"; then
 327         AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
 328     else
 329         AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
 330     fi
 331 else
 332     AC_MSG_RESULT(no)
 333 fi
 334
 335 # Find some useful tools
 336 AC_PROG_AWK
 337 AC_PROG_LEX
 338 GCC_PROG_LN
 339 GCC_PROG_LN_S
 340 GCC_C_VOLATILE
 341 AC_PROG_RANLIB
 342 AC_PROG_YACC
 343 EGCS_PROG_INSTALL
 344
 345 AC_HEADER_STDC
 346 AC_HEADER_TIME
 347 GCC_HEADER_STRING
 348 AC_HEADER_SYS_WAIT
 349 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h fcntl.h unistd.h stab.h sys/file.h sys/time.h sys/resource.h sys/param.h sys/times.h sys/stat.h direct.h)
 350
 351 # Check for thread headers.
 352 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
 353 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
 354
 355 # See if GNAT has been installed
 356 AC_CHECK_PROG(gnat, gnatbind, yes, no)
 357
 358 # See if the system preprocessor understands the ANSI C preprocessor
 359 # stringification operator.
 360 AC_MSG_CHECKING(whether cpp understands the stringify operator)
 361 AC_CACHE_VAL(gcc_cv_c_have_stringify,
 362 [AC_TRY_COMPILE(,
 363 [#define S(x)   #x
 364 char *test = S(foo);],
 365 gcc_cv_c_have_stringify=yes, gcc_cv_c_have_stringify=no)])
 366 AC_MSG_RESULT($gcc_cv_c_have_stringify)
 367 if test $gcc_cv_c_have_stringify = yes; then
 368   AC_DEFINE(HAVE_CPP_STRINGIFY)
 369 fi
 370
 371 # Use <inttypes.h> only if it exists,
 372 # doesn't clash with <sys/types.h>, and declares intmax_t.
 373 AC_MSG_CHECKING(for inttypes.h)
 374 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
 375 [AC_TRY_COMPILE(
 376   [#include <sys/types.h>
 377 #include <inttypes.h>],
 378   [intmax_t i = -1;],
 379   [gcc_cv_header_inttypes_h=yes],
 380   gcc_cv_header_inttypes_h=no)])
 381 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
 382 if test $gcc_cv_header_inttypes_h = yes; then
 383   AC_DEFINE(HAVE_INTTYPES_H)
 384 fi
 385
 386 AC_CHECK_FUNCS(strtoul bsearch strerror putenv popen bcopy bzero bcmp \
 387         index rindex strchr strrchr kill getrlimit setrlimit atoll atoq \
 388         sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \
 389         fputs_unlocked)
 390
 391 # Make sure wchar_t is available
 392 #AC_CHECK_TYPE(wchar_t, unsigned int)
 393
 394 GCC_FUNC_VFPRINTF_DOPRNT
 395 GCC_FUNC_PRINTF_PTR
 396
 397 case "${host}" in
 398 *-*-uwin*)
 399   # Under some versions of uwin, vfork is notoriously buggy and the test
 400   # can hang configure; on other versions, vfork exists just as a stub.
 401   # FIXME: This should be removed once vfork in uwin's runtime is fixed.
 402   ac_cv_func_vfork_works=no
 403   ;;
 404 esac
 405 AC_FUNC_VFORK
 406
 407 GCC_NEED_DECLARATIONS(malloc realloc calloc free bcopy bzero bcmp \
 408         index rindex getenv atol sbrk abort atof strerror getcwd getwd \
 409         strsignal putc_unlocked fputs_unlocked)
 410
 411 GCC_NEED_DECLARATIONS(getrlimit setrlimit, [
 412 #include <sys/types.h>
 413 #ifdef HAVE_SYS_RESOURCE_H
 414 #include <sys/resource.h>
 415 #endif
 416 ])
 417
 418 AC_DECL_SYS_SIGLIST
 419
 420 # mkdir takes a single argument on some systems.
 421 GCC_FUNC_MKDIR_TAKES_ONE_ARG
 422
 423 # File extensions
 424 manext='.1'
 425 objext='.o'
 426 AC_SUBST(manext)
 427 AC_SUBST(objext)
 428
 429 build_xm_file=
 430 build_xm_defines=
 431 build_install_headers_dir=install-headers-tar
 432 build_exeext=
 433 host_xm_file=
 434 host_xm_defines=
 435 host_xmake_file=
 436 host_truncate_target=
 437 host_exeext=
 438
 439 # Decode the host machine, then the target machine.
 440 # For the host machine, we save the xm_file variable as host_xm_file;
 441 # then we decode the target machine and forget everything else
 442 # that came from the host machine.
 443 for machine in $build $host $target; do
 444
 445         out_file=
 446         xmake_file=
 447         tmake_file=
 448         extra_headers=
 449         extra_passes=
 450         extra_parts=
 451         extra_programs=
 452         extra_objs=
 453         extra_host_objs=
 454         extra_gcc_objs=
 455         xm_defines=
 456         float_format=
 457         # Set this to force installation and use of collect2.
 458         use_collect2=
 459         # Set this to override the default target model.
 460         target_cpu_default=
 461         # Set this to control how the header file directory is installed.
 462         install_headers_dir=install-headers-tar
 463         # Set this to a non-empty list of args to pass to cpp if the target
 464         # wants its .md file passed through cpp.
 465         md_cppflags=
 466         # Set this if directory names should be truncated to 14 characters.
 467         truncate_target=
 468         # Set this if gdb needs a dir command with `dirname $out_file`
 469         gdb_needs_out_file_path=
 470         # Set this if the build machine requires executables to have a
 471         # file name suffix.
 472         exeext=
 473         # Set this to control which thread package will be used.
 474         thread_file=
 475         # Reinitialize these from the flag values every loop pass, since some
 476         # configure entries modify them.
 477         gas="$gas_flag"
 478         gnu_ld="$gnu_ld_flag"
 479         enable_threads=$enable_threads_flag
 480
 481         # Set default cpu_type, tm_file and xm_file so it can be updated in
 482         # each machine entry.
 483         cpu_type=`echo $machine | sed 's/-.*$//'`
 484         case $machine in
 485         alpha*-*-*)
 486                 cpu_type=alpha
 487                 ;;
 488         arm*-*-*)
 489                 cpu_type=arm
 490                 ;;
 491         c*-convex-*)
 492                 cpu_type=convex
 493                 ;;
 494 changequote(,)dnl
 495         i[34567]86-*-*)
 496 changequote([,])dnl
 497                 cpu_type=i386
 498                 ;;
 499         hppa*-*-*)
 500                 cpu_type=pa
 501                 ;;
 502         m68000-*-*)
 503                 cpu_type=m68k
 504                 ;;
 505         mips*-*-*)
 506                 cpu_type=mips
 507                 ;;
 508         powerpc*-*-*)
 509                 cpu_type=rs6000
 510                 ;;
 511         pyramid-*-*)
 512                 cpu_type=pyr
 513                 ;;
 514         sparc*-*-*)
 515                 cpu_type=sparc
 516                 ;;
 517         esac
 518
 519         tm_file=${cpu_type}/${cpu_type}.h
 520         xm_file=${cpu_type}/xm-${cpu_type}.h
 521
 522         # Common parts for linux-gnu and openbsd systems
 523         case $machine in
 524         *-*-linux-gnu*)
 525                 xm_defines="HAVE_ATEXIT POSIX BSTRING"
 526                 ;;
 527         *-*-openbsd*)
 528                 tm_file=${cpu_type}/openbsd.h
 529                 tmake_file="t-libc-ok t-openbsd"
 530                 # avoid surprises, always provide an xm-openbsd file
 531                 xm_file=${cpu_type}/xm-openbsd.h
 532                 # don't depend on processor x-fragments as well
 533                 xmake_file=none
 534                 if test x$enable_threads = xyes; then
 535                         thread_file='posix'
 536                         tmake_file="${tmake_file} t-openbsd-thread"
 537                 fi
 538                 ;;
 539         esac
 540
 541         case $machine in
 542         # Support site-specific machine types.
 543         *local*)
 544                 cpu_type=`echo $machine | sed -e 's/-.*//'`
 545                 rest=`echo $machine | sed -e "s/$cpu_type-//"`
 546                 xm_file=${cpu_type}/xm-$rest.h
 547                 tm_file=${cpu_type}/$rest.h
 548                 if test -f $srcdir/config/${cpu_type}/x-$rest; \
 549                 then xmake_file=${cpu_type}/x-$rest; \
 550                 else true; \
 551                 fi
 552                 if test -f $srcdir/config/${cpu_type}/t-$rest; \
 553                 then tmake_file=${cpu_type}/t-$rest; \
 554                 else true; \
 555                 fi
 556                 ;;
 557         1750a-*-*)
 558                 ;;
 559         a29k-*-bsd* | a29k-*-sym1*)
 560                 tm_file="${tm_file} a29k/unix.h"
 561                 xm_defines=USG
 562                 xmake_file=a29k/x-unix
 563                 use_collect2=yes
 564                 ;;
 565         a29k-*-udi | a29k-*-coff)
 566                 tm_file="${tm_file} dbxcoff.h a29k/udi.h"
 567                 tmake_file=a29k/t-a29kbare
 568                 ;;
 569         a29k-wrs-vxworks*)
 570                 tm_file="${tm_file} dbxcoff.h a29k/udi.h a29k/vx29k.h"
 571                 tmake_file=a29k/t-vx29k
 572                 extra_parts="crtbegin.o crtend.o"
 573                 thread_file='vxworks'
 574                 ;;
 575         a29k-*-*)                       # Default a29k environment.
 576                 use_collect2=yes
 577                 ;;
 578         alpha-*-interix)
 579                 tm_file="${tm_file} alpha/alpha32.h interix.h alpha/alpha-interix.h"
 580
 581                 # GAS + IEEE_CONFORMANT+IEEE (no inexact);
 582                 #target_cpu_default="MASK_GAS|MASK_IEEE_CONFORMANT|MASK_IEEE"
 583
 584                 # GAS + IEEE_CONFORMANT
 585                 target_cpu_default="MASK_GAS|MASK_IEEE_CONFORMANT"
 586
 587                 xm_file="alpha/xm-alpha-interix.h xm-interix.h"
 588                 xmake_file="x-interix alpha/t-pe"
 589                 tmake_file="alpha/t-interix"
 590                 if test x$enable_threads = xyes ; then
 591                         thread_file='posix'
 592                 fi
 593                 if test x$stabs = xyes ; then
 594                         tm_file="${tm_file} dbxcoff.h"
 595                 fi
 596                 #prefix='$$INTERIX_ROOT'/usr/contrib
 597                 #local_prefix='$$INTERIX_ROOT'/usr/contrib
 598                 ;;
 599         alpha*-*-linux-gnuecoff*)
 600                 tm_file="${tm_file} alpha/linux-ecoff.h alpha/linux.h"
 601                 target_cpu_default="MASK_GAS"
 602                 gas=no
 603                 xmake_file=none
 604                 gas=yes gnu_ld=yes
 605                 ;;
 606         alpha*-*-linux-gnulibc1*)
 607                 tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
 608                 target_cpu_default="MASK_GAS"
 609                 tmake_file="t-linux t-linux-gnulibc1 alpha/t-linux alpha/t-crtbe"
 610                 extra_parts="crtbegin.o crtend.o"
 611                 xmake_file=none
 612                 gas=yes gnu_ld=yes
 613                 if test x$enable_threads = xyes; then
 614                         thread_file='posix'
 615                 fi
 616                 ;;
 617         alpha*-*-linux-gnu*)
 618                 tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
 619                 target_cpu_default="MASK_GAS"
 620                 tmake_file="t-linux alpha/t-linux alpha/t-crtbe"
 621                 extra_parts="crtbegin.o crtend.o"
 622                 xmake_file=none
 623                 gas=yes gnu_ld=yes
 624                 if test x$enable_threads = xyes; then
 625                         thread_file='posix'
 626                 fi
 627                 ;;
 628         alpha*-*-netbsd*)
 629                 tm_file="${tm_file} alpha/elf.h alpha/netbsd.h alpha/netbsd-elf.h"
 630                 target_cpu_default="MASK_GAS"
 631                 tmake_file="alpha/t-crtbe"
 632                 extra_parts="crtbegin.o crtend.o"
 633                 xmake_file=none
 634                 gas=yes gnu_ld=yes
 635                 ;;
 636
 637         alpha*-*-openbsd*)
 638                 # default x-alpha is only appropriate for dec-osf.
 639                 target_cpu_default="MASK_GAS"
 640                 ;;
 641
 642         alpha*-dec-osf*)
 643                 if test x$stabs = xyes
 644                 then
 645                         tm_file="${tm_file} dbx.h"
 646                 fi
 647                 if test x$gas != xyes
 648                 then
 649                         extra_passes="mips-tfile mips-tdump"
 650                 fi
 651                 use_collect2=yes
 652                 case $machine in
 653                   *-*-osf1*)
 654                     tm_file="${tm_file} alpha/osf.h alpha/osf12.h alpha/osf2or3.h"
 655                     ;;
 656 changequote(,)dnl
 657                   *-*-osf[23]*)
 658 changequote([,])dnl
 659                     tm_file="${tm_file} alpha/osf.h alpha/osf2or3.h"
 660                     ;;
 661                   *-*-osf4*)
 662                     tm_file="${tm_file} alpha/osf.h"
 663                     # Some versions of OSF4 (specifically X4.0-9 296.7) have
 664                     # a broken tar, so we use cpio instead.
 665                     install_headers_dir=install-headers-cpio
 666                     ;;
 667                 esac
 668                 case $machine in
 669 changequote(,)dnl
 670                   *-*-osf4.0[b-z] | *-*-osf4.[1-9]*)
 671 changequote([,])dnl
 672                     target_cpu_default=MASK_SUPPORT_ARCH
 673                     ;;
 674                 esac
 675                 ;;
 676         alpha*-*-vxworks*)
 677                 tm_file="${tm_file} dbx.h alpha/vxworks.h"
 678                 if [ x$gas != xyes ]
 679                 then
 680                         extra_passes="mips-tfile mips-tdump"
 681                 fi
 682                 use_collect2=yes
 683                 thread_file='vxworks'
 684                 ;;
 685         alpha*-*-winnt*)
 686                 tm_file="${tm_file} alpha/alpha32.h alpha/win-nt.h winnt/win-nt.h"
 687                 xm_file="${xm_file} config/winnt/xm-winnt.h alpha/xm-winnt.h"
 688                 tmake_file=t-libc-ok
 689                 xmake_file=winnt/x-winnt
 690                 extra_host_objs=oldnames.o
 691                 extra_gcc_objs="spawnv.o oldnames.o"
 692                 if test x$gnu_ld != xyes
 693                 then
 694                         extra_programs=ld.exe
 695                 fi
 696                 if test x$enable_threads = xyes; then
 697                         thread_file='win32'
 698                 fi
 699                 ;;
 700         alpha*-dec-vms*)
 701                 tm_file=alpha/vms.h
 702                 xm_file="${xm_file} alpha/xm-vms.h"
 703                 tmake_file=alpha/t-vms
 704                 ;;
 705         arc-*-elf*)
 706                 extra_parts="crtinit.o crtfini.o"
 707                 ;;
 708         arm-*-coff* | armel-*-coff*)
 709                 tm_file=arm/coff.h
 710                 tmake_file=arm/t-bare
 711                 ;;
 712         arm-*-vxworks*)
 713                 tm_file=arm/vxarm.h
 714                 tmake_file=arm/t-bare
 715                 thread_file='vxworks'
 716                 ;;
 717 changequote(,)dnl
 718         arm-*-riscix1.[01]*)            # Acorn RISC machine (early versions)
 719 changequote([,])dnl
 720                 tm_file=arm/riscix1-1.h
 721                 use_collect2=yes
 722                 ;;
 723         arm-*-riscix*)                  # Acorn RISC machine
 724                 if test x$gas = xyes
 725                 then
 726                     tm_file=arm/rix-gas.h
 727                 else
 728                     tm_file=arm/riscix.h
 729                 fi
 730                 xmake_file=arm/x-riscix
 731                 tmake_file=arm/t-riscix
 732                 use_collect2=yes
 733                 ;;
 734         arm-semi-aout | armel-semi-aout)
 735                 tm_file=arm/semi.h
 736                 tmake_file=arm/t-semi
 737                 ;;
 738         arm-semi-aof | armel-semi-aof)
 739                 tm_file=arm/semiaof.h
 740                 tmake_file=arm/t-semiaof
 741                 ;;
 742         arm*-*-netbsd*)
 743                 tm_file=arm/netbsd.h
 744                 xm_file="arm/xm-netbsd.h ${xm_file}"
 745                 tmake_file="t-netbsd arm/t-netbsd"
 746                 ;;
 747         arm*-*-linux-gnuaout*)          # ARM GNU/Linux with a.out
 748                 cpu_type=arm
 749                 xmake_file=x-linux
 750                 tm_file=arm/linux-aout.h
 751                 tmake_file=arm/t-linux
 752                 gnu_ld=yes
 753                 ;;
 754         arm*-*-linux-gnu*)              # ARM GNU/Linux with ELF
 755                 xm_file=arm/xm-linux.h
 756                 xmake_file=x-linux
 757                 case $machine in
 758                 armv2*-*-*)
 759                         tm_file=arm/linux-elf26.h
 760                         ;;
 761                 *)
 762                         tm_file=arm/linux-elf.h
 763                         ;;
 764                 esac
 765                 tmake_file="t-linux arm/t-linux"
 766                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 767                 gnu_ld=yes
 768                 case x${enable_threads} in
 769                 x | xyes | xpthreads | xposix)
 770                         thread_file='posix'
 771                         ;;
 772                 esac
 773                 ;;
 774         arm*-*-aout)
 775                 tm_file=arm/aout.h
 776                 tmake_file=arm/t-bare
 777                 ;;
 778         arm*-*-ecos-elf)
 779                 tm_file=arm/ecos-elf.h
 780                 tmake_file=arm/t-elf
 781                 ;;
 782         arm*-*-elf)
 783                 tm_file=arm/unknown-elf.h
 784                 tmake_file=arm/t-arm-elf
 785                 ;;
 786         arm*-*-oabi)
 787                 tm_file=arm/unknown-elf-oabi.h
 788                 tmake_file=arm/t-arm-elf
 789                 ;;
 790         c1-convex-*)                    # Convex C1
 791                 target_cpu_default=1
 792                 use_collect2=yes
 793                 ;;
 794         c2-convex-*)                    # Convex C2
 795                 target_cpu_default=2
 796                 use_collect2=yes
 797                 ;;
 798         c32-convex-*)
 799                 target_cpu_default=4
 800                 use_collect2=yes
 801                 ;;
 802         c34-convex-*)
 803                 target_cpu_default=8
 804                 use_collect2=yes
 805                 ;;
 806         c38-convex-*)
 807                 target_cpu_default=16
 808                 use_collect2=yes
 809                 ;;
 810         c4x-*)
 811                 cpu_type=c4x
 812                 tmake_file=c4x/t-c4x
 813                 ;;
 814         clipper-intergraph-clix*)
 815                 tm_file="${tm_file} svr3.h clipper/clix.h"
 816                 xm_file=clipper/xm-clix.h
 817                 xmake_file=clipper/x-clix
 818                 extra_headers=va-clipper.h
 819                 extra_parts="crtbegin.o crtend.o"
 820                 install_headers_dir=install-headers-cpio
 821                 ;;
 822         dsp16xx-*)
 823                 ;;
 824         elxsi-elxsi-*)
 825                 use_collect2=yes
 826                 ;;
 827 # This hasn't been upgraded to GCC 2.
 828 #       fx80-alliant-*)                 # Alliant FX/80
 829 #               ;;
 830         h8300-*-*)
 831                 float_format=i32
 832                 ;;
 833         hppa*-*-openbsd*)
 834                 target_cpu_default="MASK_PA_11"
 835                 tmake_file=pa/t-openbsd
 836                 ;;
 837         hppa1.1-*-pro*)
 838                 tm_file="pa/pa-pro.h ${tm_file} pa/pa-pro-end.h libgloss.h"
 839                 xm_file=pa/xm-papro.h
 840                 tmake_file=pa/t-pro
 841                 ;;
 842         hppa1.1-*-osf*)
 843                 target_cpu_default="MASK_PA_11"
 844                 tm_file="${tm_file} pa/pa-osf.h"
 845                 use_collect2=yes
 846                 ;;
 847         hppa1.1-*-rtems*)
 848                 tm_file="pa/pa-pro.h ${tm_file} pa/pa-pro-end.h libgloss.h pa/rtems.h"
 849                 xm_file=pa/xm-papro.h
 850                 tmake_file=pa/t-pro
 851                 ;;
 852         hppa1.0-*-osf*)
 853                 tm_file="${tm_file} pa/pa-osf.h"
 854                 use_collect2=yes
 855                 ;;
 856         hppa1.1-*-bsd*)
 857                 target_cpu_default="MASK_PA_11"
 858                 use_collect2=yes
 859                 ;;
 860         hppa1.0-*-bsd*)
 861                 use_collect2=yes
 862                 ;;
 863         hppa1.0-*-hpux7*)
 864                 tm_file="pa/pa-oldas.h ${tm_file} pa/pa-hpux7.h"
 865                 xm_file=pa/xm-pahpux.h
 866                 xmake_file=pa/x-pa-hpux
 867                 if test x$gas = xyes
 868                 then
 869                         tm_file="${tm_file} pa/gas.h"
 870                 fi
 871                 install_headers_dir=install-headers-cpio
 872                 use_collect2=yes
 873                 ;;
 874 changequote(,)dnl
 875         hppa1.0-*-hpux8.0[0-2]*)
 876 changequote([,])dnl
 877                 tm_file="${tm_file} pa/pa-hpux.h"
 878                 xm_file=pa/xm-pahpux.h
 879                 xmake_file=pa/x-pa-hpux
 880                 if test x$gas = xyes
 881                 then
 882                         tm_file="${tm_file} pa/pa-gas.h"
 883                 else
 884                         tm_file="pa/pa-oldas.h ${tm_file}"
 885                 fi
 886                 install_headers_dir=install-headers-cpio
 887                 use_collect2=yes
 888                 ;;
 889 changequote(,)dnl
 890         hppa1.1-*-hpux8.0[0-2]*)
 891 changequote([,])dnl
 892                 target_cpu_default="MASK_PA_11"
 893                 tm_file="${tm_file} pa/pa-hpux.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/pa-gas.h"
 899                 else
 900                         tm_file="pa/pa-oldas.h ${tm_file}"
 901                 fi
 902                 install_headers_dir=install-headers-cpio
 903                 use_collect2=yes
 904                 ;;
 905         hppa1.1-*-hpux8*)
 906                 target_cpu_default="MASK_PA_11"
 907                 tm_file="${tm_file} pa/pa-hpux.h"
 908                 xm_file=pa/xm-pahpux.h
 909                 xmake_file=pa/x-pa-hpux
 910                 if test x$gas = xyes
 911                 then
 912                         tm_file="${tm_file} pa/pa-gas.h"
 913                 fi
 914                 install_headers_dir=install-headers-cpio
 915                 use_collect2=yes
 916                 ;;
 917         hppa1.0-*-hpux8*)
 918                 tm_file="${tm_file} pa/pa-hpux.h"
 919                 xm_file=pa/xm-pahpux.h
 920                 xmake_file=pa/x-pa-hpux
 921                 if test x$gas = xyes
 922                 then
 923                         tm_file="${tm_file} pa/pa-gas.h"
 924                 fi
 925                 install_headers_dir=install-headers-cpio
 926                 use_collect2=yes
 927                 ;;
 928         hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
 929                 target_cpu_default="MASK_PA_11"
 930                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux10.h"
 931                 xm_file=pa/xm-pahpux.h
 932                 xmake_file=pa/x-pa-hpux
 933                 tmake_file=pa/t-pa
 934                 if test x$gas = xyes
 935                 then
 936                         tm_file="${tm_file} pa/pa-gas.h"
 937                 fi
 938                 if test x$enable_threads = x; then
 939                     enable_threads=$have_pthread_h
 940                 fi
 941                 if test x$enable_threads = xyes; then
 942                         thread_file='dce'
 943                         tmake_file="${tmake_file} pa/t-dce-thr"
 944                 fi
 945                 install_headers_dir=install-headers-cpio
 946                 use_collect2=yes
 947                 ;;
 948         hppa1.0-*-hpux10*)
 949                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux10.h"
 950                 xm_file=pa/xm-pahpux.h
 951                 xmake_file=pa/x-pa-hpux
 952                 tmake_file=pa/t-pa
 953                 if test x$gas = xyes
 954                 then
 955                         tm_file="${tm_file} pa/pa-gas.h"
 956                 fi
 957                 if test x$enable_threads = x; then
 958                     enable_threads=$have_pthread_h
 959                 fi
 960                 if test x$enable_threads = xyes; then
 961                         thread_file='dce'
 962                         tmake_file="${tmake_file} pa/t-dce-thr"
 963                 fi
 964                 install_headers_dir=install-headers-cpio
 965                 use_collect2=yes
 966                 ;;
 967         hppa1.1-*-hpux* | hppa2*-*-hpux*)
 968                 target_cpu_default="MASK_PA_11"
 969                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux9.h"
 970                 xm_file=pa/xm-pahpux.h
 971                 xmake_file=pa/x-pa-hpux
 972                 if test x$gas = xyes
 973                 then
 974                         tm_file="${tm_file} pa/pa-gas.h"
 975                 fi
 976                 install_headers_dir=install-headers-cpio
 977                 use_collect2=yes
 978                 ;;
 979         hppa1.0-*-hpux*)
 980                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux9.h"
 981                 xm_file=pa/xm-pahpux.h
 982                 xmake_file=pa/x-pa-hpux
 983                 if test x$gas = xyes
 984                 then
 985                         tm_file="${tm_file} pa/pa-gas.h"
 986                 fi
 987                 install_headers_dir=install-headers-cpio
 988                 use_collect2=yes
 989                 ;;
 990         hppa1.1-*-hiux* | hppa2*-*-hiux*)
 991                 target_cpu_default="MASK_PA_11"
 992                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hiux.h"
 993                 xm_file=pa/xm-pahpux.h
 994                 xmake_file=pa/x-pa-hpux
 995                 if test x$gas = xyes
 996                 then
 997                         tm_file="${tm_file} pa/pa-gas.h"
 998                 fi
 999                 install_headers_dir=install-headers-cpio
1000                 use_collect2=yes
1001                 ;;
1002         hppa1.0-*-hiux*)
1003                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hiux.h"
1004                 xm_file=pa/xm-pahpux.h
1005                 xmake_file=pa/x-pa-hpux
1006                 if test x$gas = xyes
1007                 then
1008                         tm_file="${tm_file} pa/pa-gas.h"
1009                 fi
1010                 install_headers_dir=install-headers-cpio
1011                 use_collect2=yes
1012                 ;;
1013         hppa*-*-lites*)
1014                 target_cpu_default="MASK_PA_11"
1015                 use_collect2=yes
1016                 ;;
1017         i370-*-mvs*)
1018                 ;;
1019 changequote(,)dnl
1020         i[34567]86-ibm-aix*)            # IBM PS/2 running AIX
1021 changequote([,])dnl
1022                 if test x$gas = xyes
1023                 then
1024                         tm_file=i386/aix386.h
1025                         extra_parts="crtbegin.o crtend.o"
1026                         tmake_file=i386/t-crtstuff
1027                 else
1028                         tm_file=i386/aix386ng.h
1029                         use_collect2=yes
1030                 fi
1031                 xm_file="xm-alloca.h i386/xm-aix.h ${xm_file}"
1032                 xm_defines=USG
1033                 xmake_file=i386/x-aix
1034                 ;;
1035 changequote(,)dnl
1036         i[34567]86-ncr-sysv4*)          # NCR 3000 - ix86 running system V.4
1037 changequote([,])dnl
1038                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1039                 xm_defines="USG POSIX SMALL_ARG_MAX"
1040                 xmake_file=i386/x-ncr3000
1041                 if test x$stabs = xyes -a x$gas = xyes
1042                 then
1043                         tm_file=i386/sysv4gdb.h
1044                 else
1045                         tm_file=i386/sysv4.h
1046                 fi
1047                 extra_parts="crtbegin.o crtend.o"
1048                 tmake_file=i386/t-crtpic
1049                 ;;
1050 changequote(,)dnl
1051         i[34567]86-next-*)
1052 changequote([,])dnl
1053                 tm_file=i386/next.h
1054                 xm_file=i386/xm-next.h
1055                 tmake_file=i386/t-next
1056                 xmake_file=i386/x-next
1057                 extra_objs=nextstep.o
1058                 extra_parts="crtbegin.o crtend.o"
1059                 if test x$enable_threads = xyes; then
1060                         thread_file='mach'
1061                 fi
1062                 ;;
1063 changequote(,)dnl
1064         i[34567]86-sequent-bsd*)                # 80386 from Sequent
1065 changequote([,])dnl
1066                 use_collect2=yes
1067                 if test x$gas = xyes
1068                 then
1069                         tm_file=i386/seq-gas.h
1070                 else
1071                         tm_file=i386/sequent.h
1072                 fi
1073                 ;;
1074 changequote(,)dnl
1075         i[34567]86-sequent-ptx1*)
1076 changequote([,])dnl
1077                 xm_defines="USG SVR3"
1078                 xmake_file=i386/x-sysv3
1079                 tm_file=i386/seq-sysv3.h
1080                 tmake_file=i386/t-crtstuff
1081                 extra_parts="crtbegin.o crtend.o"
1082                 install_headers_dir=install-headers-cpio
1083                 ;;
1084 changequote(,)dnl
1085         i[34567]86-sequent-ptx2* | i[34567]86-sequent-sysv3*)
1086 changequote([,])dnl
1087                 xm_defines="USG SVR3"
1088                 xmake_file=i386/x-sysv3
1089                 tm_file=i386/seq2-sysv3.h
1090                 tmake_file=i386/t-crtstuff
1091                 extra_parts="crtbegin.o crtend.o"
1092                 install_headers_dir=install-headers-cpio
1093                 ;;
1094 changequote(,)dnl
1095         i[34567]86-sequent-ptx4* | i[34567]86-sequent-sysv4*)
1096 changequote([,])dnl
1097                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1098                 xm_defines="USG POSIX SMALL_ARG_MAX"
1099                 xmake_file=x-svr4
1100                 tm_file=i386/ptx4-i.h
1101                 tmake_file=t-svr4
1102                 extra_parts="crtbegin.o crtend.o"
1103                 install_headers_dir=install-headers-cpio
1104                 ;;
1105         i386-sun-sunos*)                # Sun i386 roadrunner
1106                 xm_defines=USG
1107                 tm_file=i386/sun.h
1108                 use_collect2=yes
1109                 ;;
1110 changequote(,)dnl
1111         i[34567]86-wrs-vxworks*)
1112 changequote([,])dnl
1113                 tm_file=i386/vxi386.h
1114                 tmake_file=i386/t-i386bare
1115                 thread_file='vxworks'
1116                 ;;
1117 changequote(,)dnl
1118         i[34567]86-*-aout*)
1119 changequote([,])dnl
1120                 tm_file=i386/i386-aout.h
1121                 tmake_file=i386/t-i386bare
1122                 ;;
1123 changequote(,)dnl
1124         i[34567]86-*-bsdi* | i[34567]86-*-bsd386*)
1125 changequote([,])dnl
1126                 tm_file=i386/bsd386.h
1127 #               tmake_file=t-libc-ok
1128                 ;;
1129 changequote(,)dnl
1130         i[34567]86-*-bsd*)
1131 changequote([,])dnl
1132                 tm_file=i386/386bsd.h
1133 #               tmake_file=t-libc-ok
1134 # Next line turned off because both 386BSD and BSD/386 use GNU ld.
1135 #               use_collect2=yes
1136                 ;;
1137 changequote(,)dnl
1138         i[34567]86-*-freebsdelf*)
1139 changequote([,])dnl
1140                 tm_file="i386/i386.h i386/att.h linux.h i386/freebsd-elf.h i386/perform.h"
1141                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1142                 tmake_file=i386/t-freebsd
1143                 gas=yes
1144                 gnu_ld=yes
1145                 stabs=yes
1146                 ;;
1147 changequote(,)dnl
1148         i[34567]86-*-freebsd*)
1149 changequote([,])dnl
1150                 tm_file=i386/freebsd.h
1151                 tmake_file=i386/t-freebsd
1152                 ;;
1153 changequote(,)dnl
1154         i[34567]86-*-netbsd*)
1155 changequote([,])dnl
1156                 tm_file=i386/netbsd.h
1157                 tmake_file=t-netbsd
1158                 ;;
1159 changequote(,)dnl
1160         i[34567]86-*-openbsd*)
1161 changequote([,])dnl
1162                 # we need collect2 until our bug is fixed...
1163                 use_collect2=yes
1164                 ;;
1165 changequote(,)dnl
1166         i[34567]86-*-coff*)
1167 changequote([,])dnl
1168                 tm_file=i386/i386-coff.h
1169                 tmake_file=i386/t-i386bare
1170                 ;;
1171 changequote(,)dnl
1172         i[34567]86-*-isc*)              # 80386 running ISC system
1173 changequote([,])dnl
1174                 xm_file="${xm_file} i386/xm-isc.h"
1175                 xm_defines="USG SVR3"
1176                 case $machine in
1177 changequote(,)dnl
1178                   i[34567]86-*-isc[34]*)
1179 changequote([,])dnl
1180                     xmake_file=i386/x-isc3
1181                     ;;
1182                   *)
1183                     xmake_file=i386/x-isc
1184                     ;;
1185                 esac
1186                 if test x$gas = xyes -a x$stabs = xyes
1187                 then
1188                         tm_file=i386/iscdbx.h
1189                         tmake_file=i386/t-svr3dbx
1190                         extra_parts="svr3.ifile svr3z.ifile"
1191                 else
1192                         tm_file=i386/isccoff.h
1193                         tmake_file=i386/t-crtstuff
1194                         extra_parts="crtbegin.o crtend.o"
1195                 fi
1196                 install_headers_dir=install-headers-cpio
1197                 ;;
1198 changequote(,)dnl
1199         i[34567]86-*-linux-gnuoldld*)   # Intel 80386's running GNU/Linux
1200 changequote([,])dnl                     # with a.out format using
1201                                         # pre BFD linkers
1202                 xmake_file=x-linux-aout
1203                 tmake_file="t-linux-aout i386/t-crtstuff"
1204                 tm_file=i386/linux-oldld.h
1205                 gnu_ld=yes
1206                 float_format=i386
1207                 ;;
1208 changequote(,)dnl
1209         i[34567]86-*-linux-gnuaout*)    # Intel 80386's running GNU/Linux
1210 changequote([,])dnl                     # with a.out format
1211                 xmake_file=x-linux-aout
1212                 tmake_file="t-linux-aout i386/t-crtstuff"
1213                 tm_file=i386/linux-aout.h
1214                 gnu_ld=yes
1215                 float_format=i386
1216                 ;;
1217 changequote(,)dnl
1218         i[34567]86-*-linux-gnulibc1)    # Intel 80386's running GNU/Linux
1219 changequote([,])dnl                     # with ELF format using the
1220                                         # GNU/Linux C library 5
1221                 xmake_file=x-linux
1222                 tm_file=i386/linux.h
1223                 tmake_file="t-linux t-linux-gnulibc1 i386/t-crtstuff"
1224                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1225                 gnu_ld=yes
1226                 float_format=i386
1227                 if test x$enable_threads = xyes; then
1228                         thread_file='single'
1229                 fi
1230                 ;;
1231 changequote(,)dnl
1232         i[34567]86-*-linux-gnu*)        # Intel 80386's running GNU/Linux
1233 changequote([,])dnl                     # with ELF format using glibc 2
1234                                         # aka GNU/Linux C library 6
1235                 xmake_file=x-linux
1236                 tm_file=i386/linux.h
1237                 tmake_file="t-linux i386/t-crtstuff"
1238                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1239                 gnu_ld=yes
1240                 float_format=i386
1241                 if test x$enable_threads = xyes; then
1242                         thread_file='posix'
1243                 fi
1244                 ;;
1245 changequote(,)dnl
1246         i[34567]86-*-gnu*)
1247                 float_format=i386
1248 changequote([,])dnl
1249                 ;;
1250 changequote(,)dnl
1251         i[34567]86-go32-msdos | i[34567]86-*-go32*)
1252 changequote([,])dnl
1253                 echo "GO32/DJGPP V1.X is no longer supported. Use *-pc-msdosdjgpp for DJGPP V2.X instead."
1254                 exit 1
1255                 ;;
1256 changequote(,)dnl
1257         i[34567]86-pc-msdosdjgpp*)
1258 changequote([,])dnl
1259                 xm_file=i386/xm-djgpp.h
1260                 tm_file=i386/djgpp.h
1261                 tmake_file=i386/t-djgpp
1262                 xmake_file=i386/x-djgpp
1263                 gnu_ld=yes
1264                 gas=yes
1265                 exeext=.exe
1266                 case $host in *pc-msdosdjgpp*)
1267                         target_alias=djgpp
1268                         ;;
1269                 esac
1270                 ;;
1271 changequote(,)dnl
1272         i[34567]86-moss-msdos* | i[34567]86-*-moss*)
1273 changequote([,])dnl
1274                 tm_file=i386/moss.h
1275                 tmake_file=t-libc-ok
1276                 gnu_ld=yes
1277                 gas=yes
1278                 ;;
1279 changequote(,)dnl
1280         i[34567]86-*-lynxos*)
1281 changequote([,])dnl
1282                 if test x$gas = xyes
1283                 then
1284                         tm_file=i386/lynx.h
1285                 else
1286                         tm_file=i386/lynx-ng.h
1287                 fi
1288                 xm_file=i386/xm-lynx.h
1289                 tmake_file=i386/t-i386bare
1290                 xmake_file=x-lynx
1291                 ;;
1292 changequote(,)dnl
1293         i[34567]86-*-mach*)
1294 changequote([,])dnl
1295                 tm_file=i386/mach.h
1296 #               tmake_file=t-libc-ok
1297                 use_collect2=yes
1298                 ;;
1299 changequote(,)dnl
1300         i[34567]86-*-osfrose*)          # 386 using OSF/rose
1301 changequote([,])dnl
1302                 if test x$elf = xyes
1303                 then
1304                         tm_file=i386/osfelf.h
1305                         use_collect2=
1306                 else
1307                         tm_file=i386/osfrose.h
1308                         use_collect2=yes
1309                 fi
1310                 xm_file="i386/xm-osf.h ${xm_file}"
1311                 xmake_file=i386/x-osfrose
1312                 tmake_file=i386/t-osf
1313                 extra_objs=halfpic.o
1314                 ;;
1315 changequote(,)dnl
1316         i[34567]86-go32-rtems*)
1317 changequote([,])dnl
1318                 cpu_type=i386
1319                 xm_file=i386/xm-go32.h
1320                 tm_file=i386/go32-rtems.h
1321                 tmake_file="i386/t-go32 t-rtems"
1322                 ;;
1323 changequote(,)dnl
1324         i[34567]86-*-rtemself*)
1325 changequote([,])dnl
1326                 cpu_type=i386
1327                 tm_file=i386/rtemself.h
1328                 tmake_file="i386/t-i386bare t-rtems"
1329                 ;;
1330 changequote(,)dnl
1331         i[34567]86-*-rtems*)
1332 changequote([,])dnl
1333                 cpu_type=i386
1334                 tm_file=i386/rtems.h
1335                 tmake_file="i386/t-i386bare t-rtems"
1336                 ;;
1337 changequote(,)dnl
1338         i[34567]86-*-sco3.2v5*) # 80386 running SCO Open Server 5
1339 changequote([,])dnl
1340                 xm_file="xm-siglist.h xm-alloca.h ${xm_file} i386/xm-sco5.h"
1341                 xm_defines="USG SVR3"
1342                 xmake_file=i386/x-sco5
1343                 install_headers_dir=install-headers-cpio
1344                 tm_file=i386/sco5.h
1345                 if test x$gas = xyes
1346                 then
1347                         tm_file="i386/sco5gas.h ${tm_file}"
1348                         tmake_file=i386/t-sco5gas
1349                 else
1350                         tmake_file=i386/t-sco5
1351                 fi
1352                 extra_parts="crti.o crtbegin.o crtend.o crtbeginS.o crtendS.o"
1353                 ;;
1354 changequote(,)dnl
1355         i[34567]86-*-sco3.2v4*)         # 80386 running SCO 3.2v4 system
1356 changequote([,])dnl
1357                 xm_file="${xm_file} i386/xm-sco.h"
1358                 xm_defines="USG SVR3 BROKEN_LDEXP SMALL_ARG_MAX NO_SYS_SIGLIST"
1359                 xmake_file=i386/x-sco4
1360                 install_headers_dir=install-headers-cpio
1361                 if test x$stabs = xyes
1362                 then
1363                         tm_file=i386/sco4dbx.h
1364                         tmake_file=i386/t-svr3dbx
1365                         extra_parts="svr3.ifile svr3z.rfile"
1366                 else
1367                         tm_file=i386/sco4.h
1368                         tmake_file=i386/t-crtstuff
1369                         extra_parts="crtbegin.o crtend.o"
1370                 fi
1371                 truncate_target=yes
1372                 ;;
1373 changequote(,)dnl
1374         i[34567]86-*-sco*)              # 80386 running SCO system
1375 changequote([,])dnl
1376                 xm_file=i386/xm-sco.h
1377                 xmake_file=i386/x-sco
1378                 install_headers_dir=install-headers-cpio
1379                 if test x$stabs = xyes
1380                 then
1381                         tm_file=i386/scodbx.h
1382                         tmake_file=i386/t-svr3dbx
1383                         extra_parts="svr3.ifile svr3z.rfile"
1384                 else
1385                         tm_file=i386/sco.h
1386                         extra_parts="crtbegin.o crtend.o"
1387                         tmake_file=i386/t-crtstuff
1388                 fi
1389                 truncate_target=yes
1390                 ;;
1391 changequote(,)dnl
1392         i[34567]86-*-solaris2*)
1393 changequote([,])dnl
1394                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1395                 xm_defines="USG POSIX SMALL_ARG_MAX"
1396                 if test x$stabs = xyes
1397                 then
1398                         tm_file=i386/sol2dbg.h
1399                 else
1400                         tm_file=i386/sol2.h
1401                 fi
1402                 tmake_file=i386/t-sol2
1403                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
1404                 xmake_file=x-svr4
1405                 if test x$enable_threads = xyes; then
1406                         thread_file='solaris'
1407                 fi
1408                 ;;
1409 changequote(,)dnl
1410        i[34567]86-*-sysv5*)           # Intel x86 on System V Release 5
1411 changequote([,])dnl
1412                xm_file="xm-alloca.h xm-siglist.h ${xm_file}"
1413                xm_defines="USG POSIX"
1414                tm_file=i386/sysv5.h
1415                if test x$stabs = xyes
1416                then
1417                        tm_file="${tm_file} dbx.h"
1418                fi
1419                tmake_file=i386/t-crtpic
1420                xmake_file=x-svr4
1421                extra_parts="crtbegin.o crtend.o"
1422                if test x$enable_threads = xyes; then
1423                        thread_file='posix'
1424                fi
1425                ;;
1426 changequote(,)dnl
1427         i[34567]86-*-sysv4*)            # Intel 80386's running system V.4
1428 changequote([,])dnl
1429                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1430                 xm_defines="USG POSIX SMALL_ARG_MAX"
1431                 tm_file=i386/sysv4.h
1432                 if test x$stabs = xyes
1433                 then
1434                         tm_file="${tm_file} dbx.h"
1435                 fi
1436                 tmake_file=i386/t-crtpic
1437                 xmake_file=x-svr4
1438                 extra_parts="crtbegin.o crtend.o"
1439                 ;;
1440 changequote(,)dnl
1441         i[34567]86-*-udk*)      # Intel x86 on SCO UW/OSR5 Dev Kit
1442 changequote([,])dnl
1443                 xm_file="xm-alloca.h xm-siglist.h ${xm_file}"
1444                 xm_defines="USG POSIX"
1445                 tm_file=i386/udk.h
1446                 tmake_file="i386/t-crtpic i386/t-udk"
1447                 xmake_file=x-svr4
1448                 extra_parts="crtbegin.o crtend.o"
1449                 ;;
1450 changequote(,)dnl
1451         i[34567]86-*-osf1*)             # Intel 80386's running OSF/1 1.3+
1452 changequote([,])dnl
1453                 cpu_type=i386
1454                 xm_file="${xm_file} xm-svr4.h i386/xm-sysv4.h i386/xm-osf1elf.h"
1455                 xm_defines="USE_C_ALLOCA SMALL_ARG_MAX"
1456                 if test x$stabs = xyes
1457                 then
1458                         tm_file=i386/osf1elfgdb.h
1459                 else
1460                         tm_file=i386/osf1elf.h
1461                 fi
1462                 tmake_file=i386/t-osf1elf
1463                 xmake_file=i386/x-osf1elf
1464                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
1465                 ;;
1466 changequote(,)dnl
1467         i[34567]86-*-sysv*)             # Intel 80386's running system V
1468 changequote([,])dnl
1469                 xm_defines="USG SVR3"
1470                 xmake_file=i386/x-sysv3
1471                 if test x$gas = xyes
1472                 then
1473                         if test x$stabs = xyes
1474                         then
1475                                 tm_file=i386/svr3dbx.h
1476                                 tmake_file=i386/t-svr3dbx
1477                                 extra_parts="svr3.ifile svr3z.rfile"
1478                         else
1479                                 tm_file=i386/svr3gas.h
1480                                 extra_parts="crtbegin.o crtend.o"
1481                                 tmake_file=i386/t-crtstuff
1482                         fi
1483                 else
1484                         tm_file=i386/sysv3.h
1485                         extra_parts="crtbegin.o crtend.o"
1486                         tmake_file=i386/t-crtstuff
1487                 fi
1488                 ;;
1489         i386-*-vsta)                    # Intel 80386's running VSTa kernel
1490                 xm_file="${xm_file} i386/xm-vsta.h"
1491                 tm_file=i386/vsta.h
1492                 tmake_file=i386/t-vsta
1493                 xmake_file=i386/x-vsta
1494                 ;;
1495 changequote(,)dnl
1496         i[34567]86-*-win32)
1497 changequote([,])dnl
1498                 xm_file="${xm_file} i386/xm-cygwin.h"
1499                 tmake_file=i386/t-cygwin
1500                 tm_file=i386/win32.h
1501                 xmake_file=i386/x-cygwin
1502                 extra_objs=winnt.o
1503                 if test x$enable_threads = xyes; then
1504                         thread_file='win32'
1505                 fi
1506                 exeext=.exe
1507                 ;;
1508 changequote(,)dnl
1509         i[34567]86-*-pe | i[34567]86-*-cygwin*)
1510 changequote([,])dnl
1511                 xm_file="${xm_file} i386/xm-cygwin.h"
1512                 tmake_file=i386/t-cygwin
1513                 tm_file=i386/cygwin.h
1514                 xmake_file=i386/x-cygwin
1515                 extra_objs=winnt.o
1516                 if test x$enable_threads = xyes; then
1517                         thread_file='win32'
1518                 fi
1519                 exeext=.exe
1520                 ;;
1521 changequote(,)dnl
1522         i[34567]86-*-mingw32*)
1523 changequote([,])dnl
1524                 tm_file=i386/mingw32.h
1525                 xm_file="${xm_file} i386/xm-mingw32.h"
1526                 tmake_file="i386/t-cygwin i386/t-mingw32"
1527                 extra_objs=winnt.o
1528                 xmake_file=i386/x-cygwin
1529                 if test x$enable_threads = xyes; then
1530                         thread_file='win32'
1531                 fi
1532                 exeext=.exe
1533                 case $machine in
1534                         *mingw32msv*)
1535                                 ;;
1536                         *minwg32crt* | *mingw32*)
1537                                 tm_file="${tm_file} i386/crtdll.h"
1538                                 ;;
1539                 esac
1540                 ;;
1541 changequote(,)dnl
1542         i[34567]86-*-uwin*)
1543 changequote([,])dnl
1544                 tm_file=i386/uwin.h
1545                 xm_file="${xm_file} i386/xm-uwin.h"
1546                 xm_defines="USG NO_STAB_H NO_SYS_SIGLIST"
1547                 tmake_file="i386/t-cygwin i386/t-uwin"
1548                 extra_objs=winnt.o
1549                 xmake_file=i386/x-cygwin
1550                 if test x$enable_threads = xyes; then
1551                         thread_file='win32'
1552                 fi
1553                 exeext=.exe
1554                 ;;
1555 changequote(,)dnl
1556         i[34567]86-*-interix*)
1557 changequote([,])dnl
1558                 tm_file="i386/i386-interix.h interix.h"
1559                 xm_file="i386/xm-i386-interix.h xm-interix.h"
1560                 xm_defines="USG NO_SYS_SIGLIST"
1561                 tmake_file="i386/t-interix"
1562                 extra_objs=interix.o
1563                 xmake_file=x-interix
1564                 if test x$enable_threads = xyes ; then
1565                         thread_file='posix'
1566                 fi
1567                 if test x$stabs = xyes ; then
1568                         tm_file="${tm_file} dbxcoff.h"
1569                 fi
1570                 ;;
1571 changequote(,)dnl
1572         i[34567]86-*-winnt3*)
1573 changequote([,])dnl
1574                 tm_file=i386/win-nt.h
1575                 out_file=i386/i386.c
1576                 xm_file="xm-winnt.h ${xm_file}"
1577                 xmake_file=winnt/x-winnt
1578                 tmake_file=i386/t-winnt
1579                 extra_host_objs="winnt.o oldnames.o"
1580                 extra_gcc_objs="spawnv.o oldnames.o"
1581                 if test x$gnu_ld != xyes
1582                 then
1583                         extra_programs=ld.exe
1584                 fi
1585                 if test x$enable_threads = xyes; then
1586                         thread_file='win32'
1587                 fi
1588                 ;;
1589 changequote(,)dnl
1590         i[34567]86-dg-dgux*)
1591 changequote([,])dnl
1592                 xm_file="xm-alloca.h xm-siglist.h ${xm_file}"
1593                 xm_defines="USG POSIX"
1594                 out_file=i386/dgux.c
1595                 tm_file=i386/dgux.h
1596                 tmake_file=i386/t-dgux
1597                 xmake_file=i386/x-dgux
1598                 install_headers_dir=install-headers-cpio
1599               ;;
1600         i860-alliant-*)         # Alliant FX/2800
1601                 tm_file="${tm_file} svr4.h i860/sysv4.h i860/fx2800.h"
1602                 xm_file="${xm_file}"
1603                 xmake_file=i860/x-fx2800
1604                 tmake_file=i860/t-fx2800
1605                 extra_parts="crtbegin.o crtend.o"
1606                 ;;
1607         i860-*-bsd*)
1608                 tm_file="${tm_file} i860/bsd.h"
1609                 if test x$gas = xyes
1610                 then
1611                         tm_file="${tm_file} i860/bsd-gas.h"
1612                 fi
1613                 use_collect2=yes
1614                 ;;
1615         i860-*-mach*)
1616                 tm_file="${tm_file} i860/mach.h"
1617                 tmake_file=t-libc-ok
1618                 ;;
1619         i860-*-osf*)                    # Intel Paragon XP/S, OSF/1AD
1620                 tm_file="${tm_file} svr3.h i860/paragon.h"
1621                 xm_defines="USG SVR3"
1622                 tmake_file=t-osf
1623                 ;;
1624         i860-*-sysv3*)
1625                 tm_file="${tm_file} svr3.h i860/sysv3.h"
1626                 xm_defines="USG SVR3"
1627                 xmake_file=i860/x-sysv3
1628                 extra_parts="crtbegin.o crtend.o"
1629                 ;;
1630         i860-*-sysv4*)
1631                 tm_file="${tm_file} svr4.h i860/sysv4.h"
1632                 xm_defines="USG SVR3"
1633                 xmake_file=i860/x-sysv4
1634                 tmake_file=t-svr4
1635                 extra_parts="crtbegin.o crtend.o"
1636                 ;;
1637         i960-wrs-vxworks5 | i960-wrs-vxworks5.0*)
1638                 tm_file="${tm_file} i960/vx960.h"
1639                 tmake_file=i960/t-vxworks960
1640                 use_collect2=yes
1641                 thread_file='vxworks'
1642                 ;;
1643         i960-wrs-vxworks5* | i960-wrs-vxworks)
1644                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h i960/vx960-coff.h"
1645                 tmake_file=i960/t-vxworks960
1646                 use_collect2=yes
1647                 thread_file='vxworks'
1648                 ;;
1649         i960-wrs-vxworks*)
1650                 tm_file="${tm_file} i960/vx960.h"
1651                 tmake_file=i960/t-vxworks960
1652                 use_collect2=yes
1653                 thread_file='vxworks'
1654                 ;;
1655         i960-*-coff*)
1656                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h libgloss.h"
1657                 tmake_file=i960/t-960bare
1658                 use_collect2=yes
1659                 ;;
1660         i960-*-rtems)
1661                 tmake_file="i960/t-960bare t-rtems"
1662                 tm_file="${tm_file} dbxcoff.h i960/rtems.h"
1663                 use_collect2=yes
1664                 ;;
1665         i960-*-*)                       # Default i960 environment.
1666                 use_collect2=yes
1667                 ;;
1668         m32r-*-elf*)
1669                 extra_parts="crtinit.o crtfini.o"
1670                 ;;
1671         m68000-convergent-sysv*)
1672                 tm_file=m68k/ctix.h
1673                 xm_file="m68k/xm-3b1.h ${xm_file}"
1674                 xm_defines=USG
1675                 use_collect2=yes
1676                 extra_headers=math-68881.h
1677                 ;;
1678         m68000-hp-bsd*)                 # HP 9000/200 running BSD
1679                 tm_file=m68k/hp2bsd.h
1680                 xmake_file=m68k/x-hp2bsd
1681                 use_collect2=yes
1682                 extra_headers=math-68881.h
1683                 ;;
1684         m68000-hp-hpux*)                # HP 9000 series 300
1685                 xm_file="xm_alloca.h ${xm_file}"
1686                 xm_defines="USG NO_SYS_SIGLIST"
1687                 if test x$gas = xyes
1688                 then
1689                         xmake_file=m68k/x-hp320g
1690                         tm_file=m68k/hp310g.h
1691                 else
1692                         xmake_file=m68k/x-hp320
1693                         tm_file=m68k/hp310.h
1694                 fi
1695                 install_headers_dir=install-headers-cpio
1696                 use_collect2=yes
1697                 extra_headers=math-68881.h
1698                 ;;
1699         m68000-sun-sunos3*)
1700                 tm_file=m68k/sun2.h
1701                 use_collect2=yes
1702                 extra_headers=math-68881.h
1703                 ;;
1704         m68000-sun-sunos4*)
1705                 tm_file=m68k/sun2o4.h
1706                 use_collect2=yes
1707                 extra_headers=math-68881.h
1708                 ;;
1709         m68000-att-sysv*)
1710                 xm_file="m68k/xm-3b1.h ${xm_file}"
1711                 xm_defines=USG
1712                 if test x$gas = xyes
1713                 then
1714                         tm_file=m68k/3b1g.h
1715                 else
1716                         tm_file=m68k/3b1.h
1717                 fi
1718                 use_collect2=yes
1719                 extra_headers=math-68881.h
1720                 ;;
1721         m68k-apple-aux*)                # Apple Macintosh running A/UX
1722                 xm_defines="USG AUX"
1723                 tmake_file=m68k/t-aux
1724                 install_headers_dir=install-headers-cpio
1725                 extra_headers=math-68881.h
1726                 extra_parts="crt1.o mcrt1.o maccrt1.o crt2.o crtn.o"
1727                 tm_file=
1728                 if test "$gnu_ld" = yes
1729                 then
1730                         tm_file="${tm_file} m68k/auxgld.h"
1731                 else
1732                         tm_file="${tm_file} m68k/auxld.h"
1733                 fi
1734                 if test "$gas" = yes
1735                 then
1736                         tm_file="${tm_file} m68k/auxgas.h"
1737                 else
1738                         tm_file="${tm_file} m68k/auxas.h"
1739                 fi
1740                 tm_file="${tm_file} m68k/a-ux.h"
1741                 float_format=m68k
1742                 ;;
1743         m68k-apollo-*)
1744                 tm_file=m68k/apollo68.h
1745                 xmake_file=m68k/x-apollo68
1746                 use_collect2=yes
1747                 extra_headers=math-68881.h
1748                 float_format=m68k
1749                 ;;
1750         m68k-altos-sysv*)                  # Altos 3068
1751                 if test x$gas = xyes
1752                 then
1753                         tm_file=m68k/altos3068.h
1754                         xm_defines=USG
1755                 else
1756                         echo "The Altos is supported only with the GNU assembler" 1>&2
1757                         exit 1
1758                 fi
1759                 extra_headers=math-68881.h
1760                 ;;
1761         m68k-bull-sysv*)                # Bull DPX/2
1762                 if test x$gas = xyes
1763                 then
1764                         if test x$stabs = xyes
1765                         then
1766                                 tm_file=m68k/dpx2cdbx.h
1767                         else
1768                                 tm_file=m68k/dpx2g.h
1769                         fi
1770                 else
1771                         tm_file=m68k/dpx2.h
1772                 fi
1773                 xm_file="xm-alloca.h ${xm_file}"
1774                 xm_defines=USG
1775                 xmake_file=m68k/x-dpx2
1776                 use_collect2=yes
1777                 extra_headers=math-68881.h
1778                 ;;
1779         m68k-atari-sysv4*)              # Atari variant of V.4.
1780                 tm_file=m68k/atari.h
1781                 xm_file="xm-alloca.h ${xm_file}"
1782                 xm_defines="USG FULL_PROTOTYPES"
1783                 tmake_file=t-svr4
1784                 extra_parts="crtbegin.o crtend.o"
1785                 extra_headers=math-68881.h
1786                 float_format=m68k
1787                 ;;
1788         m68k-motorola-sysv*)
1789                 tm_file=m68k/mot3300.h
1790                 xm_file="xm-alloca.h m68k/xm-mot3300.h ${xm_file}"
1791                 xm_defines=NO_SYS_SIGLIST
1792                 if test x$gas = xyes
1793                 then
1794                         xmake_file=m68k/x-mot3300-gas
1795                         if test x$gnu_ld = xyes
1796                         then
1797                                 tmake_file=m68k/t-mot3300-gald
1798                         else
1799                                 tmake_file=m68k/t-mot3300-gas
1800                                 use_collect2=yes
1801                         fi
1802                 else
1803                         xmake_file=m68k/x-mot3300
1804                         if test x$gnu_ld = xyes
1805                         then
1806                                 tmake_file=m68k/t-mot3300-gld
1807                         else
1808                                 tmake_file=m68k/t-mot3300
1809                                 use_collect2=yes
1810                         fi
1811                 fi
1812                 gdb_needs_out_file_path=yes
1813                 extra_parts="crt0.o mcrt0.o"
1814                 extra_headers=math-68881.h
1815                 float_format=m68k
1816                 ;;
1817         m68k-ncr-sysv*)                 # NCR Tower 32 SVR3
1818                 tm_file=m68k/tower-as.h
1819                 xm_defines="USG SVR3"
1820                 xmake_file=m68k/x-tower
1821                 extra_parts="crtbegin.o crtend.o"
1822                 extra_headers=math-68881.h
1823                 ;;
1824         m68k-plexus-sysv*)
1825                 tm_file=m68k/plexus.h
1826                 xm_file="xm-alloca.h m68k/xm-plexus.h ${xm_file}"
1827                 xm_defines=USG
1828                 use_collect2=yes
1829                 extra_headers=math-68881.h
1830                 ;;
1831         m68k-tti-*)
1832                 tm_file=m68k/pbb.h
1833                 xm_file="xm-alloca.h ${xm_file}"
1834                 xm_defines=USG
1835                 extra_headers=math-68881.h
1836                 ;;
1837         m68k-crds-unos*)
1838                 xm_file="xm-alloca.h m68k/xm-crds.h ${xm_file}"
1839                 xm_defines="USG unos"
1840                 xmake_file=m68k/x-crds
1841                 tm_file=m68k/crds.h
1842                 use_collect2=yes
1843                 extra_headers=math-68881.h
1844                 ;;
1845         m68k-cbm-sysv4*)                # Commodore variant of V.4.
1846                 tm_file=m68k/amix.h
1847                 xm_file="xm-alloca.h ${xm_file}"
1848                 xm_defines="USG FULL_PROTOTYPES"
1849                 xmake_file=m68k/x-amix
1850                 tmake_file=t-svr4
1851                 extra_parts="crtbegin.o crtend.o"
1852                 extra_headers=math-68881.h
1853                 float_format=m68k
1854                 ;;
1855         m68k-ccur-rtu)
1856                 tm_file=m68k/ccur-GAS.h
1857                 xmake_file=m68k/x-ccur
1858                 extra_headers=math-68881.h
1859                 use_collect2=yes
1860                 float_format=m68k
1861                 ;;
1862         m68k-hp-bsd4.4*)                # HP 9000/3xx running 4.4bsd
1863                 tm_file=m68k/hp3bsd44.h
1864                 xmake_file=m68k/x-hp3bsd44
1865                 use_collect2=yes
1866                 extra_headers=math-68881.h
1867                 float_format=m68k
1868                 ;;
1869         m68k-hp-bsd*)                   # HP 9000/3xx running Berkeley Unix
1870                 tm_file=m68k/hp3bsd.h
1871                 use_collect2=yes
1872                 extra_headers=math-68881.h
1873                 float_format=m68k
1874                 ;;
1875         m68k-isi-bsd*)
1876                 if test x$with_fp = xno
1877                 then
1878                         tm_file=m68k/isi-nfp.h
1879                 else
1880                         tm_file=m68k/isi.h
1881                         float_format=m68k
1882                 fi
1883                 use_collect2=yes
1884                 extra_headers=math-68881.h
1885                 ;;
1886         m68k-hp-hpux7*) # HP 9000 series 300 running HPUX version 7.
1887                 xm_file="xm_alloca.h ${xm_file}"
1888                 xm_defines="USG NO_SYS_SIGLIST"
1889                 if test x$gas = xyes
1890                 then
1891                         xmake_file=m68k/x-hp320g
1892                         tm_file=m68k/hp320g.h
1893                 else
1894                         xmake_file=m68k/x-hp320
1895                         tm_file=m68k/hpux7.h
1896                 fi
1897                 install_headers_dir=install-headers-cpio
1898                 use_collect2=yes
1899                 extra_headers=math-68881.h
1900                 float_format=m68k
1901                 ;;
1902         m68k-hp-hpux*)  # HP 9000 series 300
1903                 xm_file="xm_alloca.h ${xm_file}"
1904                 xm_defines="USG NO_SYS_SIGLIST"
1905                 if test x$gas = xyes
1906                 then
1907                         xmake_file=m68k/x-hp320g
1908                         tm_file=m68k/hp320g.h
1909                 else
1910                         xmake_file=m68k/x-hp320
1911                         tm_file=m68k/hp320.h
1912                 fi
1913                 install_headers_dir=install-headers-cpio
1914                 use_collect2=yes
1915                 extra_headers=math-68881.h
1916                 float_format=m68k
1917                 ;;
1918         m68k-sun-mach*)
1919                 tm_file=m68k/sun3mach.h
1920                 use_collect2=yes
1921                 extra_headers=math-68881.h
1922                 float_format=m68k
1923                 ;;
1924         m68k-sony-newsos3*)
1925                 if test x$gas = xyes
1926                 then
1927                         tm_file=m68k/news3gas.h
1928                 else
1929                         tm_file=m68k/news3.h
1930                 fi
1931                 use_collect2=yes
1932                 extra_headers=math-68881.h
1933                 float_format=m68k
1934                 ;;
1935         m68k-sony-bsd* | m68k-sony-newsos*)
1936                 if test x$gas = xyes
1937                 then
1938                         tm_file=m68k/newsgas.h
1939                 else
1940                         tm_file=m68k/news.h
1941                 fi
1942                 use_collect2=yes
1943                 extra_headers=math-68881.h
1944                 float_format=m68k
1945                 ;;
1946         m68k-next-nextstep2*)
1947                 tm_file=m68k/next21.h
1948                 xm_file="m68k/xm-next.h ${xm_file}"
1949                 tmake_file=m68k/t-next
1950                 xmake_file=m68k/x-next
1951                 extra_objs=nextstep.o
1952                 extra_headers=math-68881.h
1953                 use_collect2=yes
1954                 float_format=m68k
1955                 ;;
1956         m68k-next-nextstep3*)
1957                 tm_file=m68k/next.h
1958                 xm_file="m68k/xm-next.h ${xm_file}"
1959                 tmake_file=m68k/t-next
1960                 xmake_file=m68k/x-next
1961                 extra_objs=nextstep.o
1962                 extra_parts="crtbegin.o crtend.o"
1963                 extra_headers=math-68881.h
1964                 float_format=m68k
1965                 if test x$enable_threads = xyes; then
1966                         thread_file='mach'
1967                 fi
1968                 ;;
1969         m68k-sun-sunos3*)
1970                 if test x$with_fp = xno
1971                 then
1972                         tm_file=m68k/sun3n3.h
1973                 else
1974                         tm_file=m68k/sun3o3.h
1975                         float_format=m68k
1976                 fi
1977                 use_collect2=yes
1978                 extra_headers=math-68881.h
1979                 ;;
1980         m68k-sun-sunos*)                        # For SunOS 4 (the default).
1981                 if test x$with_fp = xno
1982                 then
1983                         tm_file=m68k/sun3n.h
1984                 else
1985                         tm_file=m68k/sun3.h
1986                         float_format=m68k
1987                 fi
1988                 use_collect2=yes
1989                 extra_headers=math-68881.h
1990                 ;;
1991         m68k-wrs-vxworks*)
1992                 tm_file=m68k/vxm68k.h
1993                 tmake_file=m68k/t-vxworks68
1994                 extra_headers=math-68881.h
1995                 thread_file='vxworks'
1996                 float_format=m68k
1997                 ;;
1998         m68k-*-aout*)
1999                 tmake_file=m68k/t-m68kbare
2000                 tm_file="m68k/m68k-aout.h libgloss.h"
2001                 extra_headers=math-68881.h
2002                 float_format=m68k
2003                 ;;
2004         m68k-*-coff*)
2005                 tmake_file=m68k/t-m68kbare
2006                 tm_file="m68k/m68k-coff.h dbx.h libgloss.h"
2007                 extra_headers=math-68881.h
2008                 float_format=m68k
2009                 ;;
2010         m68020-*-elf* | m68k-*-elf*)
2011                 tm_file="m68k/m68020-elf.h libgloss.h"
2012                 xm_file=m68k/xm-m68kv.h
2013                 tmake_file=m68k/t-m68kelf
2014                 header_files=math-68881.h
2015                 ;;
2016         m68k-*-lynxos*)
2017                 if test x$gas = xyes
2018                 then
2019                         tm_file=m68k/lynx.h
2020                 else
2021                         tm_file=m68k/lynx-ng.h
2022                 fi
2023                 xm_file=m68k/xm-lynx.h
2024                 xmake_file=x-lynx
2025                 tmake_file=m68k/t-lynx
2026                 extra_headers=math-68881.h
2027                 float_format=m68k
2028                 ;;
2029         m68k*-*-netbsd*)
2030                 tm_file=m68k/netbsd.h
2031                 tmake_file=t-netbsd
2032                 float_format=m68k
2033                 ;;
2034         m68k*-*-openbsd*)
2035                 float_format=m68k
2036                 # we need collect2 until our bug is fixed...
2037                 use_collect2=yes
2038                 ;;
2039         m68k-*-sysv3*)                  # Motorola m68k's running system V.3
2040                 xm_file="xm-alloca.h ${xm_file}"
2041                 xm_defines=USG
2042                 xmake_file=m68k/x-m68kv
2043                 extra_parts="crtbegin.o crtend.o"
2044                 extra_headers=math-68881.h
2045                 float_format=m68k
2046                 ;;
2047         m68k-*-sysv4*)                  # Motorola m68k's running system V.4
2048                 tm_file=m68k/m68kv4.h
2049                 xm_file="xm-alloca.h ${xm_file}"
2050                 xm_defines=USG
2051                 tmake_file=t-svr4
2052                 extra_parts="crtbegin.o crtend.o"
2053                 extra_headers=math-68881.h
2054                 float_format=m68k
2055                 ;;
2056         m68k-*-linux-gnuaout*)          # Motorola m68k's running GNU/Linux
2057                                         # with a.out format
2058                 xmake_file=x-linux
2059                 tm_file=m68k/linux-aout.h
2060                 tmake_file="t-linux-aout m68k/t-linux-aout"
2061                 extra_headers=math-68881.h
2062                 float_format=m68k
2063                 gnu_ld=yes
2064                 ;;
2065         m68k-*-linux-gnulibc1)          # Motorola m68k's running GNU/Linux
2066                                         # with ELF format using the
2067                                         # GNU/Linux C library 5
2068                 xmake_file=x-linux
2069                 tm_file=m68k/linux.h
2070                 tmake_file="t-linux t-linux-gnulibc1 m68k/t-linux"
2071                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2072                 extra_headers=math-68881.h
2073                 float_format=m68k
2074                 gnu_ld=yes
2075                 ;;
2076         m68k-*-linux-gnu*)              # Motorola m68k's running GNU/Linux
2077                                         # with ELF format using glibc 2
2078                                         # aka the GNU/Linux C library 6.
2079                 xmake_file=x-linux
2080                 tm_file=m68k/linux.h
2081                 tmake_file="t-linux m68k/t-linux"
2082                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2083                 extra_headers=math-68881.h
2084                 float_format=m68k
2085                 gnu_ld=yes
2086                 if test x$enable_threads = xyes; then
2087                         thread_file='posix'
2088                 fi
2089                 ;;
2090         m68k-*-psos*)
2091                 tmake_file=m68k/t-m68kbare
2092                 tm_file=m68k/m68k-psos.h
2093                 extra_headers=math-68881.h
2094                 float_format=m68k
2095                 ;;
2096         m68k-*-rtems*)
2097                 tmake_file="m68k/t-m68kbare t-rtems"
2098                 tm_file=m68k/rtems.h
2099                 extra_headers=math-68881.h
2100                 float_format=m68k
2101                 ;;
2102
2103         m88k-dg-dgux*)
2104                 case $machine in
2105                   m88k-dg-dguxbcs*)
2106                     tm_file=m88k/dguxbcs.h
2107                     tmake_file=m88k/t-dguxbcs
2108                     ;;
2109                   *)
2110                     tm_file=m88k/dgux.h
2111                     tmake_file=m88k/t-dgux
2112                     ;;
2113                 esac
2114                 extra_parts="crtbegin.o bcscrtbegin.o crtend.o m88kdgux.ld"
2115                 xmake_file=m88k/x-dgux
2116                 if test x$gas = xyes
2117                 then
2118                         tmake_file=m88k/t-dgux-gas
2119                 fi
2120                 ;;
2121         m88k-dolphin-sysv3*)
2122                 tm_file=m88k/dolph.h
2123                 extra_parts="crtbegin.o crtend.o"
2124                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2125                 xmake_file=m88k/x-dolph
2126                 if test x$gas = xyes
2127                 then
2128                         tmake_file=m88k/t-m88k-gas
2129                 fi
2130                 ;;
2131         m88k-tektronix-sysv3)
2132                 tm_file=m88k/tekXD88.h
2133                 extra_parts="crtbegin.o crtend.o"
2134                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2135                 xmake_file=m88k/x-tekXD88
2136                 if test x$gas = xyes
2137                 then
2138                         tmake_file=m88k/t-m88k-gas
2139                 fi
2140                 ;;
2141         m88k-*-aout*)
2142                 tm_file=m88k/m88k-aout.h
2143                 ;;
2144         m88k-*-coff*)
2145                 tm_file=m88k/m88k-coff.h
2146                 tmake_file=m88k/t-bug
2147                 ;;
2148         m88k-*-luna*)
2149                 tm_file=m88k/luna.h
2150                 extra_parts="crtbegin.o crtend.o"
2151                 if test x$gas = xyes
2152                 then
2153                         tmake_file=m88k/t-luna-gas
2154                 else
2155                         tmake_file=m88k/t-luna
2156                 fi
2157                 ;;
2158         m88k-*-openbsd*)
2159                 tmake_file="${tmake_file} m88k/t-luna-gas"
2160                 ;;
2161         m88k-*-sysv3*)
2162                 tm_file=m88k/sysv3.h
2163                 extra_parts="crtbegin.o crtend.o"
2164                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2165                 xmake_file=m88k/x-sysv3
2166                 if test x$gas = xyes
2167                 then
2168                         tmake_file=m88k/t-m88k-gas
2169                 fi
2170                 ;;
2171         m88k-*-sysv4*)
2172                 tm_file=m88k/sysv4.h
2173                 extra_parts="crtbegin.o crtend.o"
2174                 xmake_file=m88k/x-sysv4
2175                 tmake_file=m88k/t-sysv4
2176                 ;;
2177         mips-sgi-irix6*)                # SGI System V.4., IRIX 6
2178                 tm_file=mips/iris6.h
2179                 xm_file=mips/xm-iris6.h
2180                 xmake_file=mips/x-iris6
2181                 tmake_file=mips/t-iris6
2182 #               if test x$enable_threads = xyes; then
2183 #                       thread_file='irix'
2184 #               fi
2185                 ;;
2186         mips-wrs-vxworks)
2187                 tm_file="mips/elf.h libgloss.h mips/vxworks.h"
2188                 tmake_file=mips/t-ecoff
2189                 gas=yes
2190                 gnu_ld=yes
2191                 extra_parts="crtbegin.o crtend.o"
2192                 thread_file='vxworks'
2193                 ;;
2194         mips-sgi-irix5cross64)          # Irix5 host, Irix 6 target, cross64
2195                 tm_file="mips/iris6.h mips/cross64.h"
2196                 xm_defines=USG
2197                 xm_file="mips/xm-iris5.h"
2198                 xmake_file=mips/x-iris
2199                 tmake_file=mips/t-cross64
2200                 # See comment in mips/iris[56].h files.
2201                 use_collect2=yes
2202 #               if test x$enable_threads = xyes; then
2203 #                       thread_file='irix'
2204 #               fi
2205                 ;;
2206         mips-sni-sysv4)
2207                 if test x$gas = xyes
2208                 then
2209                         if test x$stabs = xyes
2210                         then
2211                                 tm_file=mips/iris5gdb.h
2212                         else
2213                                 tm_file="mips/sni-svr4.h mips/sni-gas.h"
2214                         fi
2215                 else
2216                         tm_file=mips/sni-svr4.h
2217                 fi
2218                 xm_defines=USG
2219                 xmake_file=mips/x-sni-svr4
2220                 tmake_file=mips/t-mips-gas
2221                 if test x$gnu_ld != xyes
2222                 then
2223                         use_collect2=yes
2224                 fi
2225                 ;;
2226         mips-sgi-irix5*)                # SGI System V.4., IRIX 5
2227                 if test x$gas = xyes
2228                 then
2229                         tm_file="mips/iris5.h mips/iris5gas.h"
2230                         if test x$stabs = xyes
2231                         then
2232                                 tm_file="${tm_file} dbx.h"
2233                         fi
2234                 else
2235                         tm_file=mips/iris5.h
2236                 fi
2237                 xm_defines=USG
2238                 xm_file="mips/xm-iris5.h"
2239                 xmake_file=mips/x-iris
2240                 # mips-tfile doesn't work yet
2241                 tmake_file=mips/t-mips-gas
2242                 # See comment in mips/iris5.h file.
2243                 use_collect2=yes
2244 #               if test x$enable_threads = xyes; then
2245 #                       thread_file='irix'
2246 #               fi
2247                 ;;
2248         mips-sgi-irix4loser*)           # Mostly like a MIPS.
2249                 tm_file="mips/iris4loser.h mips/iris3.h ${tm_file} mips/iris4.h"
2250                 if test x$stabs = xyes; then
2251                         tm_file="${tm_file} dbx.h"
2252                 fi
2253                 xm_defines=USG
2254                 xmake_file=mips/x-iris
2255                 if test x$gas = xyes
2256                 then
2257                         tmake_file=mips/t-mips-gas
2258                 else
2259                         extra_passes="mips-tfile mips-tdump"
2260                 fi
2261                 if test x$gnu_ld != xyes
2262                 then
2263                         use_collect2=yes
2264                 fi
2265 #               if test x$enable_threads = xyes; then
2266 #                       thread_file='irix'
2267 #               fi
2268                 ;;
2269         mips-sgi-irix4*)                # Mostly like a MIPS.
2270                 tm_file="mips/iris3.h ${tm_file} mips/iris4.h"
2271                 if test x$stabs = xyes; then
2272                         tm_file="${tm_file} dbx.h"
2273                 fi
2274                 xm_defines=USG
2275                 xmake_file=mips/x-iris
2276                 if test x$gas = xyes
2277                 then
2278                         tmake_file=mips/t-mips-gas
2279                 else
2280                         extra_passes="mips-tfile mips-tdump"
2281                 fi
2282                 if test x$gnu_ld != xyes
2283                 then
2284                         use_collect2=yes
2285                 fi
2286 #               if test x$enable_threads = xyes; then
2287 #                       thread_file='irix'
2288 #               fi
2289                 ;;
2290         mips-sgi-*)                     # Mostly like a MIPS.
2291                 tm_file="mips/iris3.h ${tm_file}"
2292                 if test x$stabs = xyes; then
2293                         tm_file="${tm_file} dbx.h"
2294                 fi
2295                 xm_defines=USG
2296                 xmake_file=mips/x-iris3
2297                 if test x$gas = xyes
2298                 then
2299                         tmake_file=mips/t-mips-gas
2300                 else
2301                         extra_passes="mips-tfile mips-tdump"
2302                 fi
2303                 if test x$gnu_ld != xyes
2304                 then
2305                         use_collect2=yes
2306                 fi
2307                 ;;
2308         mips-dec-osfrose*)              # Decstation running OSF/1 reference port with OSF/rose.
2309                 tm_file="mips/osfrose.h ${tm_file}"
2310                 xmake_file=mips/x-osfrose
2311                 tmake_file=mips/t-osfrose
2312                 extra_objs=halfpic.o
2313                 use_collect2=yes
2314                 ;;
2315         mips-dec-osf*)                  # Decstation running OSF/1 as shipped by DIGITAL
2316                 tm_file=mips/dec-osf1.h
2317                 if test x$stabs = xyes; then
2318                         tm_file="${tm_file} dbx.h"
2319                 fi
2320                 xmake_file=mips/x-dec-osf1
2321                 if test x$gas = xyes
2322                 then
2323                         tmake_file=mips/t-mips-gas
2324                 else
2325                         tmake_file=mips/t-ultrix
2326                         extra_passes="mips-tfile mips-tdump"
2327                 fi
2328                 if test x$gnu_ld != xyes
2329                 then
2330                         use_collect2=yes
2331                 fi
2332                 ;;
2333         mips-dec-bsd*)                  # Decstation running 4.4 BSD
2334               tm_file=mips/dec-bsd.h
2335               if test x$gas = xyes
2336               then
2337                         tmake_file=mips/t-mips-gas
2338               else
2339                         tmake_file=mips/t-ultrix
2340                         extra_passes="mips-tfile mips-tdump"
2341               fi
2342               if test x$gnu_ld != xyes
2343               then
2344                         use_collect2=yes
2345               fi
2346               ;;
2347         mipsel-*-netbsd* | mips-dec-netbsd*)    # Decstation running NetBSD
2348                 tm_file=mips/netbsd.h
2349                 # On NetBSD, the headers are already okay, except for math.h.
2350                 tmake_file=t-netbsd
2351                 ;;
2352        mips*-*-linux*)                         # Linux MIPS, either endian.
2353                 xmake_file=x-linux
2354                 xm_file="xm-siglist.h ${xm_file}"
2355                case $machine in
2356                        mipsel-*)  tm_file="mips/elfl.h mips/linux.h" ;;
2357                        *)         tm_file="mips/elf.h mips/linux.h" ;;
2358                esac
2359                 extra_parts="crtbegin.o crtend.o"
2360                 gnu_ld=yes
2361                 gas=yes
2362                 ;;
2363         mips*el-*-openbsd*)     # mips little endian
2364                 target_cpu_default="MASK_GAS|MASK_ABICALLS"
2365                 tm_file=mips/openbsd.h
2366                 ;;
2367         mips*-*-openbsd*)               # mips big endian
2368                 target_cpu_default="MASK_GAS|MASK_ABICALLS"
2369                 tm_file=mips/openbsd-be.h
2370                 ;;
2371         mips-sony-bsd* | mips-sony-newsos*)     # Sony NEWS 3600 or risc/news.
2372                 tm_file="mips/news4.h ${tm_file}"
2373                 if test x$stabs = xyes; then
2374                         tm_file="${tm_file} dbx.h"
2375                 fi
2376                 if test x$gas = xyes
2377                 then
2378                         tmake_file=mips/t-mips-gas
2379                 else
2380                         extra_passes="mips-tfile mips-tdump"
2381                 fi
2382                 if test x$gnu_ld != xyes
2383                 then
2384                         use_collect2=yes
2385                 fi
2386                 xmake_file=mips/x-sony
2387                 ;;
2388         mips-sony-sysv*)                # Sony NEWS 3800 with NEWSOS5.0.
2389                                         # That is based on svr4.
2390                 # t-svr4 is not right because this system doesn't use ELF.
2391                 tm_file="mips/news5.h ${tm_file}"
2392                 if test x$stabs = xyes; then
2393                         tm_file="${tm_file} dbx.h"
2394                 fi
2395                 xm_file="xm-siglist.h ${xm_file}"
2396                 xm_defines=USG
2397                 if test x$gas = xyes
2398                 then
2399                         tmake_file=mips/t-mips-gas
2400                 else
2401                         extra_passes="mips-tfile mips-tdump"
2402                 fi
2403                 if test x$gnu_ld != xyes
2404                 then
2405                         use_collect2=yes
2406                 fi
2407                 ;;
2408         mips-tandem-sysv4*)             # Tandem S2 running NonStop UX
2409                 tm_file="mips/svr4-5.h mips/svr4-t.h"
2410                 if test x$stabs = xyes; then
2411                         tm_file="${tm_file} dbx.h"
2412                 fi
2413                 xm_file="xm-siglist.h ${xm_file}"
2414                 xm_defines=USG
2415                 xmake_file=mips/x-sysv
2416                 if test x$gas = xyes
2417                 then
2418                         tmake_file=mips/t-mips-gas
2419                         extra_parts="crtbegin.o crtend.o"
2420                 else
2421                         tmake_file=mips/t-mips
2422                         extra_passes="mips-tfile mips-tdump"
2423                 fi
2424                 if test x$gnu_ld != xyes
2425                 then
2426                         use_collect2=yes
2427                 fi
2428                 ;;
2429         mips-*-ultrix* | mips-dec-mach3)        # Decstation.
2430                 tm_file="mips/ultrix.h ${tm_file}"
2431                 if test x$stabs = xyes; then
2432                         tm_file="${tm_file} dbx.h"
2433                 fi
2434                 xmake_file=mips/x-ultrix
2435                 if test x$gas = xyes
2436                 then
2437                         tmake_file=mips/t-mips-gas
2438                 else
2439                         tmake_file=mips/t-ultrix
2440                         extra_passes="mips-tfile mips-tdump"
2441                 fi
2442                 if test x$gnu_ld != xyes
2443                 then
2444                         use_collect2=yes
2445                 fi
2446                 ;;
2447 changequote(,)dnl
2448         mips-*-riscos[56789]bsd*)
2449 changequote([,])dnl
2450                 tm_file=mips/bsd-5.h    # MIPS BSD 4.3, RISC-OS 5.0
2451                 if test x$stabs = xyes; then
2452                         tm_file="${tm_file} dbx.h"
2453                 fi
2454                 if test x$gas = xyes
2455                 then
2456                         tmake_file=mips/t-bsd-gas
2457                 else
2458                         tmake_file=mips/t-bsd
2459                         extra_passes="mips-tfile mips-tdump"
2460                 fi
2461                 if test x$gnu_ld != xyes
2462                 then
2463                         use_collect2=yes
2464                 fi
2465                 ;;
2466 changequote(,)dnl
2467         mips-*-bsd* | mips-*-riscosbsd* | mips-*-riscos[1234]bsd*)
2468 changequote([,])dnl
2469                 tm_file="mips/bsd-4.h ${tm_file}" # MIPS BSD 4.3, RISC-OS 4.0
2470                 if test x$stabs = xyes; then
2471                         tm_file="${tm_file} dbx.h"
2472                 fi
2473                 if test x$gas = xyes
2474                 then
2475                         tmake_file=mips/t-bsd-gas
2476                 else
2477                         tmake_file=mips/t-bsd
2478                         extra_passes="mips-tfile mips-tdump"
2479                 fi
2480                 if test x$gnu_ld != xyes
2481                 then
2482                         use_collect2=yes
2483                 fi
2484                 ;;
2485 changequote(,)dnl
2486         mips-*-riscos[56789]sysv4*)
2487 changequote([,])dnl
2488                 tm_file=mips/svr4-5.h   # MIPS System V.4., RISC-OS 5.0
2489                 if test x$stabs = xyes; then
2490                         tm_file="${tm_file} dbx.h"
2491                 fi
2492                 xm_file="xm-siglist.h ${xm_file}"
2493                 xmake_file=mips/x-sysv
2494                 if test x$gas = xyes
2495                 then
2496                         tmake_file=mips/t-svr4-gas
2497                 else
2498                         tmake_file=mips/t-svr4
2499                         extra_passes="mips-tfile mips-tdump"
2500                 fi
2501                 if test x$gnu_ld != xyes
2502                 then
2503                         use_collect2=yes
2504                 fi
2505                 ;;
2506 changequote(,)dnl
2507         mips-*-sysv4* | mips-*-riscos[1234]sysv4* | mips-*-riscossysv4*)
2508 changequote([,])dnl
2509                 tm_file="mips/svr4-4.h ${tm_file}"
2510                 if test x$stabs = xyes; then
2511                         tm_file="${tm_file} dbx.h"
2512                 fi
2513                 xm_defines=USG
2514                 xmake_file=mips/x-sysv
2515                 if test x$gas = xyes
2516                 then
2517                         tmake_file=mips/t-svr4-gas
2518                 else
2519                         tmake_file=mips/t-svr4
2520                         extra_passes="mips-tfile mips-tdump"
2521                 fi
2522                 if test x$gnu_ld != xyes
2523                 then
2524                         use_collect2=yes
2525                 fi
2526                 ;;
2527 changequote(,)dnl
2528         mips-*-riscos[56789]sysv*)
2529 changequote([,])dnl
2530                 tm_file=mips/svr3-5.h   # MIPS System V.3, RISC-OS 5.0
2531                 if test x$stabs = xyes; then
2532                         tm_file="${tm_file} dbx.h"
2533                 fi
2534                 xm_defines=USG
2535                 xmake_file=mips/x-sysv
2536                 if test x$gas = xyes
2537                 then
2538                         tmake_file=mips/t-svr3-gas
2539                 else
2540                         tmake_file=mips/t-svr3
2541                         extra_passes="mips-tfile mips-tdump"
2542                 fi
2543                 if test x$gnu_ld != xyes
2544                 then
2545                         use_collect2=yes
2546                 fi
2547                 ;;
2548         mips-*-sysv* | mips-*-riscos*sysv*)
2549                 tm_file="mips/svr3-4.h ${tm_file}"
2550                 if test x$stabs = xyes; then
2551                         tm_file="${tm_file} dbx.h"
2552                 fi
2553                 xm_defines=USG
2554                 xmake_file=mips/x-sysv
2555                 if test x$gas = xyes
2556                 then
2557                         tmake_file=mips/t-svr3-gas
2558                 else
2559                         tmake_file=mips/t-svr3
2560                         extra_passes="mips-tfile mips-tdump"
2561                 fi
2562                 if test x$gnu_ld != xyes
2563                 then
2564                         use_collect2=yes
2565                 fi
2566                 ;;
2567 changequote(,)dnl
2568         mips-*-riscos[56789]*)          # Default MIPS RISC-OS 5.0.
2569 changequote([,])dnl
2570                 tm_file=mips/mips-5.h
2571                 if test x$stabs = xyes; then
2572                         tm_file="${tm_file} dbx.h"
2573                 fi
2574                 if test x$gas = xyes
2575                 then
2576                         tmake_file=mips/t-mips-gas
2577                 else
2578                         extra_passes="mips-tfile mips-tdump"
2579                 fi
2580                 if test x$gnu_ld != xyes
2581                 then
2582                         use_collect2=yes
2583                 fi
2584                 ;;
2585         mips-*-gnu*)
2586                 ;;
2587         mipsel-*-ecoff*)
2588                 tm_file=mips/ecoffl.h
2589                 if test x$stabs = xyes; then
2590                         tm_file="${tm_file} dbx.h"
2591                 fi
2592                 tmake_file=mips/t-ecoff
2593                 ;;
2594         mips-*-ecoff*)
2595                 tm_file="gofast.h mips/ecoff.h"
2596                 if test x$stabs = xyes; then
2597                         tm_file="${tm_file} dbx.h"
2598                 fi
2599                 tmake_file=mips/t-ecoff
2600                 ;;
2601         mipsel-*-elf*)
2602                 tm_file="mips/elfl.h libgloss.h"
2603                 tmake_file=mips/t-elf
2604                 ;;
2605         mips-*-elf*)
2606                 tm_file="mips/elf.h"
2607                 tmake_file=mips/t-elf
2608                 ;;
2609         mips64el-*-elf*)
2610                 tm_file="mips/elfl64.h"
2611                 tmake_file=mips/t-elf
2612                 ;;
2613         mips64orionel-*-elf*)
2614                 tm_file="mips/elforion.h mips/elfl64.h libgloss.h"
2615                 tmake_file=mips/t-elf
2616                 ;;
2617         mips64-*-elf*)
2618                 tm_file="mips/elf64.h"
2619                 tmake_file=mips/t-elf
2620                 ;;
2621         mips64orion-*-elf*)
2622                 tm_file="mips/elforion.h mips/elf64.h libgloss.h"
2623                 tmake_file=mips/t-elf
2624                 ;;
2625         mips64orion-*-rtems*)
2626                 tm_file="mips/elforion.h mips/elf64.h mips/rtems64.h"
2627                 tmake_file="mips/t-ecoff t-rtems"
2628                 ;;
2629         mipstx39el-*-elf*)
2630                 tm_file="mips/r3900.h mips/elfl.h mips/abi64.h"
2631                 tmake_file=mips/t-r3900
2632                 ;;
2633         mipstx39-*-elf*)
2634                 tm_file="mips/r3900.h mips/elf.h mips/abi64.h"
2635                 tmake_file=mips/t-r3900
2636                 ;;
2637         mips-*-*)                               # Default MIPS RISC-OS 4.0.
2638                 if test x$stabs = xyes; then
2639                         tm_file="${tm_file} dbx.h"
2640                 fi
2641                 if test x$gas = xyes
2642                 then
2643                         tmake_file=mips/t-mips-gas
2644                 else
2645                         extra_passes="mips-tfile mips-tdump"
2646                 fi
2647                 if test x$gnu_ld != xyes
2648                 then
2649                         use_collect2=yes
2650                 fi
2651                 ;;
2652         mn10200-*-*)
2653                 cpu_type=mn10200
2654                 tm_file="mn10200/mn10200.h"
2655                 if test x$stabs = xyes
2656                 then
2657                         tm_file="${tm_file} dbx.h"
2658                 fi
2659                 use_collect2=no
2660                 ;;
2661         mn10300-*-*)
2662                 cpu_type=mn10300
2663                 tm_file="mn10300/mn10300.h"
2664                 if test x$stabs = xyes
2665                 then
2666                         tm_file="${tm_file} dbx.h"
2667                 fi
2668                 use_collect2=no
2669                 ;;
2670         ns32k-encore-bsd*)
2671                 tm_file=ns32k/encore.h
2672                 use_collect2=yes
2673                 ;;
2674         ns32k-sequent-bsd*)
2675                 tm_file=ns32k/sequent.h
2676                 use_collect2=yes
2677                 ;;
2678         ns32k-tek6100-bsd*)
2679                 tm_file=ns32k/tek6100.h
2680                 use_collect2=yes
2681                 ;;
2682         ns32k-tek6200-bsd*)
2683                 tm_file=ns32k/tek6200.h
2684                 use_collect2=yes
2685                 ;;
2686 # This has not been updated to GCC 2.
2687 #       ns32k-ns-genix*)
2688 #               xm_defines=USG
2689 #               xmake_file=ns32k/x-genix
2690 #               tm_file=ns32k/genix.h
2691 #               use_collect2=yes
2692 #               ;;
2693         ns32k-merlin-*)
2694                 tm_file=ns32k/merlin.h
2695                 use_collect2=yes
2696                 ;;
2697         ns32k-pc532-mach*)
2698                 tm_file=ns32k/pc532-mach.h
2699                 use_collect2=yes
2700                 ;;
2701         ns32k-pc532-minix*)
2702                 tm_file=ns32k/pc532-min.h
2703                 xm_file="ns32k/xm-pc532-min.h ${xm-file}"
2704                 xm_defines=USG
2705                 use_collect2=yes
2706                 ;;
2707         ns32k-*-netbsd*)
2708                 tm_file=ns32k/netbsd.h
2709                 xm_file="ns32k/xm-netbsd.h ${xm_file}"
2710                 # On NetBSD, the headers are already okay, except for math.h.
2711                 tmake_file=t-netbsd
2712                 ;;
2713         pdp11-*-bsd)
2714                 tm_file="${tm_file} pdp11/2bsd.h"
2715                 ;;
2716         pdp11-*-*)
2717                 ;;
2718         ns32k-*-openbsd*)
2719                 # Nothing special
2720                 ;;
2721         pyramid-*-*)
2722                 cpu_type=pyr
2723                 xmake_file=pyr/x-pyr
2724                 use_collect2=yes
2725                 ;;
2726         romp-*-aos*)
2727                 use_collect2=yes
2728                 ;;
2729         romp-*-mach*)
2730                 xmake_file=romp/x-mach
2731                 use_collect2=yes
2732                 ;;
2733         romp-*-openbsd*)
2734                 # Nothing special
2735                 ;;
2736         powerpc-*-openbsd*)
2737                 tmake_file="${tmake_file} rs6000/t-rs6000 rs6000/t-openbsd"
2738                 ;;
2739         powerpc-*-beos*)
2740                 cpu_type=rs6000
2741                 tm_file=rs6000/beos.h
2742                 xm_file=rs6000/xm-beos.h
2743                 tmake_file=rs6000/t-beos
2744                 xmake_file=rs6000/x-beos
2745                 ;;
2746         powerpc-*-sysv* | powerpc-*-elf*)
2747                 tm_file=rs6000/sysv4.h
2748                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2749                 xm_defines="USG POSIX"
2750                 extra_headers=ppc-asm.h
2751                 if test x$gas = xyes
2752                 then
2753                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2754                 else
2755                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2756                 fi
2757                 xmake_file=rs6000/x-sysv4
2758                 ;;
2759         powerpc-*-eabiaix*)
2760                 tm_file=rs6000/eabiaix.h
2761                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2762                 extra_headers=ppc-asm.h
2763                 ;;
2764         powerpc-*-eabisim*)
2765                 tm_file=rs6000/eabisim.h
2766                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2767                 extra_headers=ppc-asm.h
2768                 ;;
2769         powerpc-*-eabi*)
2770                 tm_file=rs6000/eabi.h
2771                 if test x$gas = xyes
2772                 then
2773                         tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2774                 else
2775                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2776                 fi
2777                 extra_headers=ppc-asm.h
2778                 ;;
2779         powerpc-*-rtems*)
2780                 tm_file=rs6000/rtems.h
2781                 if test x$gas = xyes
2782                 then
2783                      tmake_file="rs6000/t-ppcgas t-rtems rs6000/t-ppccomm"
2784                 else
2785                      tmake_file="rs6000/t-ppc t-rtems rs6000/t-ppccomm"
2786                 fi
2787                 extra_headers=ppc-asm.h
2788                 ;;
2789         powerpc-*-linux-gnulibc1)
2790                 tm_file=rs6000/linux.h
2791                 xm_file=rs6000/xm-sysv4.h
2792                 out_file=rs6000/rs6000.c
2793                 if test x$gas = xyes
2794                 then
2795                         tmake_file="rs6000/t-ppcos t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
2796                 else
2797                         tmake_file="rs6000/t-ppc t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
2798                 fi
2799                 xmake_file=x-linux
2800                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2801                 extra_headers=ppc-asm.h
2802                 if test x$enable_threads = xyes; then
2803                         thread_file='posix'
2804                 fi
2805                 ;;
2806         powerpc-*-linux-gnu*)
2807                 tm_file=rs6000/linux.h
2808                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2809                 xm_defines="USG ${xm_defines}"
2810                 out_file=rs6000/rs6000.c
2811                 if test x$gas = xyes
2812                 then
2813                         tmake_file="rs6000/t-ppcos t-linux rs6000/t-ppccomm"
2814                 else
2815                         tmake_file="rs6000/t-ppc t-linux rs6000/t-ppccomm"
2816                 fi
2817                 xmake_file=x-linux
2818                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2819                 extra_headers=ppc-asm.h
2820                 if test x$enable_threads = xyes; then
2821                         thread_file='posix'
2822                 fi
2823                 ;;
2824         powerpc-wrs-vxworks*)
2825                 cpu_type=rs6000
2826                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2827                 xm_defines="USG POSIX"
2828                 tm_file=rs6000/vxppc.h
2829                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2830                 extra_headers=ppc-asm.h
2831                 thread_file='vxworks'
2832                 ;;
2833         powerpcle-*-sysv* | powerpcle-*-elf*)
2834                 tm_file=rs6000/sysv4le.h
2835                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2836                 xm_defines="USG POSIX"
2837                 if test x$gas = xyes
2838                 then
2839                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2840                 else
2841                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2842                 fi
2843                 xmake_file=rs6000/x-sysv4
2844                 extra_headers=ppc-asm.h
2845                 ;;
2846         powerpcle-*-eabisim*)
2847                 tm_file=rs6000/eabilesim.h
2848                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2849                 extra_headers=ppc-asm.h
2850                 ;;
2851         powerpcle-*-eabi*)
2852                 tm_file=rs6000/eabile.h
2853                 if test x$gas = xyes
2854                 then
2855                         tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2856                 else
2857                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2858                 fi
2859                 extra_headers=ppc-asm.h
2860                 ;;
2861         powerpcle-*-winnt* )
2862                 tm_file=rs6000/win-nt.h
2863                 tmake_file=rs6000/t-winnt
2864 #               extra_objs=pe.o
2865                 if test x$enable_threads = xyes; then
2866                         thread_file='win32'
2867                 fi
2868                 extra_headers=ppc-asm.h
2869                 ;;
2870         powerpcle-*-pe | powerpcle-*-cygwin*)
2871                 tm_file=rs6000/cygwin.h
2872                 xm_file="rs6000/xm-cygwin.h ${xm_file}"
2873                 tmake_file=rs6000/t-winnt
2874                 xmake_file=rs6000/x-cygwin
2875 #               extra_objs=pe.o
2876                 if test x$enable_threads = xyes; then
2877                         thread_file='win32'
2878                 fi
2879                 exeext=.exe
2880                 extra_headers=ppc-asm.h
2881                 ;;
2882         powerpcle-*-solaris2*)
2883                 tm_file=rs6000/sol2.h
2884                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2885                 xm_defines="USG POSIX"
2886                 if test x$gas = xyes
2887                 then
2888                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2889                 else
2890                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2891                 fi
2892                 xmake_file=rs6000/x-sysv4
2893                 extra_headers=ppc-asm.h
2894                 ;;
2895 changequote(,)dnl
2896         rs6000-ibm-aix3.[01]*)
2897 changequote([,])dnl
2898                 tm_file=rs6000/aix31.h
2899                 xmake_file=rs6000/x-aix31
2900                 float_format=none
2901                 use_collect2=yes
2902                 ;;
2903 changequote(,)dnl
2904         rs6000-ibm-aix3.2.[456789]* | powerpc-ibm-aix3.2.[456789]*)
2905 changequote([,])dnl
2906                 tm_file=rs6000/aix3newas.h
2907                 if test x$host != x$target
2908                 then
2909                         tmake_file=rs6000/t-xnewas
2910                 else
2911                         tmake_file=rs6000/t-newas
2912                 fi
2913                 float_format=none
2914                 use_collect2=yes
2915                 ;;
2916 changequote(,)dnl
2917         rs6000-ibm-aix4.[12]* | powerpc-ibm-aix4.[12]*)
2918 changequote([,])dnl
2919                 if test "$gnu_ld" = yes
2920                 then
2921                         tm_file=rs6000/aix41-gld.h
2922                 else
2923                         tm_file=rs6000/aix41.h
2924                 fi
2925                 if test x$host != x$target
2926                 then
2927                         tmake_file=rs6000/t-xnewas
2928                 else
2929                         tmake_file=rs6000/t-newas
2930                 fi
2931                 xmake_file=rs6000/x-aix41
2932                 float_format=none
2933                 use_collect2=yes
2934                 ;;
2935 changequote(,)dnl
2936         rs6000-ibm-aix4.[3456789].* | powerpc-ibm-aix4.[3456789].*)
2937 changequote([,])dnl
2938                 tm_file=rs6000/aix43.h
2939                 if test x$host != x$target
2940                 then
2941                         tmake_file=rs6000/t-xaix43
2942                 else
2943                         tmake_file=rs6000/t-aix43
2944                 fi
2945                 xmake_file=rs6000/x-aix43
2946                 float_format=none
2947                 use_collect2=yes
2948                 ;;
2949 changequote(,)dnl
2950         rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
2951 changequote([,])dnl
2952                 tm_file=rs6000/aix43.h
2953                 if test x$host != x$target
2954                 then
2955                         tmake_file=rs6000/t-xaix43
2956                 else
2957                         tmake_file=rs6000/t-aix43
2958                 fi
2959                 xmake_file=rs6000/x-aix43
2960                 float_format=none
2961                 use_collect2=yes
2962                 ;;
2963         rs6000-ibm-aix*)
2964                 float_format=none
2965                 use_collect2=yes
2966                 ;;
2967         rs6000-bull-bosx)
2968                 float_format=none
2969                 use_collect2=yes
2970                 ;;
2971         rs6000-*-mach*)
2972                 tm_file=rs6000/mach.h
2973                 xm_file="${xm_file} rs6000/xm-mach.h"
2974                 xmake_file=rs6000/x-mach
2975                 use_collect2=yes
2976                 ;;
2977         rs6000-*-lynxos*)
2978                 tm_file=rs6000/lynx.h
2979                 xm_file=rs6000/xm-lynx.h
2980                 tmake_file=rs6000/t-rs6000
2981                 xmake_file=rs6000/x-lynx
2982                 use_collect2=yes
2983                 ;;
2984         sh-*-elf*)
2985                 tm_file=sh/elf.h
2986                 float_format=sh
2987                 ;;
2988         sh-*-rtemself*)
2989                 tmake_file="sh/t-sh t-rtems"
2990                 tm_file=sh/rtemself.h
2991                 float_format=sh
2992                 ;;
2993         sh-*-rtems*)
2994                 tmake_file="sh/t-sh t-rtems"
2995                 tm_file=sh/rtems.h
2996                 float_format=sh
2997                 ;;
2998         sh-*-*)
2999                 float_format=sh
3000                 ;;
3001         sparc-tti-*)
3002                 tm_file=sparc/pbd.h
3003                 xm_file="xm-alloca.h ${xm_file}"
3004                 xm_defines=USG
3005                 ;;
3006         sparc-wrs-vxworks* | sparclite-wrs-vxworks*)
3007                 tm_file=sparc/vxsparc.h
3008                 tmake_file=sparc/t-vxsparc
3009                 use_collect2=yes
3010                 thread_file='vxworks'
3011                 ;;
3012         sparc-*-aout*)
3013                 tmake_file=sparc/t-sparcbare
3014                 tm_file="sparc/aout.h libgloss.h"
3015                 ;;
3016         sparc-*-netbsd*)
3017                 tm_file=sparc/netbsd.h
3018                 tmake_file=t-netbsd
3019                 ;;
3020         sparc-*-openbsd*)
3021                 # we need collect2 until our bug is fixed...
3022                 use_collect2=yes
3023                 ;;
3024         sparc-*-bsd*)
3025                 tm_file=sparc/bsd.h
3026                 ;;
3027         sparc-*-elf*)
3028                 tm_file=sparc/elf.h
3029                 tmake_file=sparc/t-elf
3030                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
3031                 #float_format=i128
3032                 float_format=i64
3033                 ;;
3034         sparc-*-linux-gnuaout*)         # Sparc's running GNU/Linux, a.out
3035                 xm_file="${xm_file} sparc/xm-linux.h"
3036                 tm_file=sparc/linux-aout.h
3037                 xmake_file=x-linux
3038                 gnu_ld=yes
3039                 ;;
3040         sparc-*-linux-gnulibc1*)        # Sparc's running GNU/Linux, libc5
3041                 xm_file="${xm_file} sparc/xm-linux.h"
3042                 xmake_file=x-linux
3043                 tm_file=sparc/linux.h
3044                 tmake_file="t-linux t-linux-gnulibc1"
3045                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3046                 gnu_ld=yes
3047                 ;;
3048         sparc-*-linux-gnu*)             # Sparc's running GNU/Linux, libc6
3049                 xm_file="${xm_file} sparc/xm-linux.h"
3050                 xmake_file=x-linux
3051                 tm_file=sparc/linux.h
3052                 tmake_file="t-linux"
3053                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3054                 gnu_ld=yes
3055                 if test x$enable_threads = xyes; then
3056                         thread_file='posix'
3057                 fi
3058                 ;;
3059         sparc-*-lynxos*)
3060                 if test x$gas = xyes
3061                 then
3062                         tm_file=sparc/lynx.h
3063                 else
3064                         tm_file=sparc/lynx-ng.h
3065                 fi
3066                 xm_file=sparc/xm-lynx.h
3067                 tmake_file=sparc/t-sunos41
3068                 xmake_file=x-lynx
3069                 ;;
3070         sparc-*-rtems*)
3071                 tmake_file="sparc/t-sparcbare t-rtems"
3072                 tm_file=sparc/rtems.h
3073                 ;;
3074         sparcv9-*-solaris2*)
3075                 tm_file=sparc/sol2-sld-64.h
3076                 xm_file="sparc/xm-sysv4-64.h sparc/xm-sol2.h"
3077                 xm_defines="USG POSIX"
3078                 tmake_file="sparc/t-sol2 sparc/t-sol2-64"
3079                 xmake_file=sparc/x-sysv4
3080                 extra_parts="crt1.o crti.o crtn.o gcrt1.o crtbegin.o crtend.o"
3081                 float_format=none
3082                 if test x${enable_threads} = x ; then
3083                     enable_threads=$have_pthread_h
3084                     if test x${enable_threads} = x ; then
3085                         enable_threads=$have_thread_h
3086                     fi
3087                 fi
3088                 if test x${enable_threads} = xyes ; then
3089                     if test x${have_pthread_h} = xyes ; then
3090                         thread_file='posix'
3091                     else
3092                         thread_file='solaris'
3093                     fi
3094                 fi
3095                 ;;
3096         sparc-hal-solaris2*)
3097                 xm_file=sparc/xm-sol2.h
3098                 tm_file="sparc/sol2.h sparc/hal.h"
3099                 tmake_file="sparc/t-halos sparc/t-sol2"
3100                 xmake_file=sparc/x-sysv4
3101                 extra_parts="crt1.o crti.o crtn.o gmon.o crtbegin.o crtend.o"
3102                 broken_install=yes
3103                 ;;
3104         sparc-*-solaris2*)
3105                 if test x$gnu_ld = xyes
3106                 then
3107                         tm_file=sparc/sol2.h
3108                 else
3109                         tm_file=sparc/sol2-sld.h
3110                 fi
3111                 xm_file="xm-siglist.h sparc/xm-sysv4.h sparc/xm-sol2.h"
3112                 xm_defines="USG POSIX"
3113                 tmake_file=sparc/t-sol2
3114                 xmake_file=sparc/x-sysv4
3115                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
3116                 case $machine in
3117 changequote(,)dnl
3118                 *-*-solaris2.[0-4])
3119 changequote([,])dnl
3120                         float_format=i128
3121                         ;;
3122                 *)
3123                         float_format=none
3124                         ;;
3125                 esac
3126                 if test x${enable_threads} = x; then
3127                     enable_threads=$have_pthread_h
3128                     if test x${enable_threads} = x; then
3129                         enable_threads=$have_thread_h
3130                     fi
3131                 fi
3132                 if test x${enable_threads} = xyes; then
3133                     if test x${have_pthread_h} = xyes; then
3134                         thread_file='posix'
3135                     else
3136                         thread_file='solaris'
3137                     fi
3138                 fi
3139                 ;;
3140         sparc-*-sunos4.0*)
3141                 tm_file=sparc/sunos4.h
3142                 tmake_file=sparc/t-sunos40
3143                 use_collect2=yes
3144                 ;;
3145         sparc-*-sunos4*)
3146                 tm_file=sparc/sunos4.h
3147                 tmake_file=sparc/t-sunos41
3148                 use_collect2=yes
3149                 if test x$gas = xyes; then
3150                         tm_file="${tm_file} sparc/sun4gas.h"
3151                 fi
3152                 ;;
3153         sparc-*-sunos3*)
3154                 tm_file=sparc/sun4o3.h
3155                 use_collect2=yes
3156                 ;;
3157         sparc-*-sysv4*)
3158                 tm_file=sparc/sysv4.h
3159                 xm_file="xm-siglist.h sparc/xm-sysv4.h"
3160                 xm_defines="USG POSIX"
3161                 tmake_file=t-svr4
3162                 xmake_file=sparc/x-sysv4
3163                 extra_parts="crtbegin.o crtend.o"
3164                 ;;
3165         sparc-*-vxsim*)
3166                 xm_file="xm-siglist.h sparc/xm-sysv4.h sparc/xm-sol2.h"
3167                 xm_defines="USG POSIX"
3168                 tm_file=sparc/vxsim.h
3169                 tmake_file=sparc/t-vxsparc
3170                 xmake_file=sparc/x-sysv4
3171                 ;;
3172         sparclet-*-aout*)
3173                 tm_file="sparc/splet.h libgloss.h"
3174                 tmake_file=sparc/t-splet
3175                 ;;
3176         sparclite-*-coff*)
3177                 tm_file="sparc/litecoff.h libgloss.h"
3178                 tmake_file=sparc/t-sparclite
3179                 ;;
3180         sparclite-*-aout*)
3181                 tm_file="sparc/lite.h aoutos.h libgloss.h"
3182                 tmake_file=sparc/t-sparclite
3183                 ;;
3184         sparc64-*-aout*)
3185                 tmake_file=sparc/t-sp64
3186                 tm_file=sparc/sp64-aout.h
3187                 ;;
3188         sparc64-*-elf*)
3189                 tmake_file=sparc/t-sp64
3190                 tm_file=sparc/sp64-elf.h
3191                 extra_parts="crtbegin.o crtend.o"
3192                 ;;
3193         sparc64-*-linux*)               # 64-bit Sparc's running GNU/Linux
3194                 tmake_file="t-linux sparc/t-linux64"
3195                 xm_file="sparc/xm-sp64.h sparc/xm-linux.h"
3196                 tm_file=sparc/linux64.h
3197                 xmake_file=x-linux
3198                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3199                 gnu_ld=yes
3200                 ;;
3201 # This hasn't been upgraded to GCC 2.
3202 #       tahoe-harris-*)                 # Harris tahoe, using COFF.
3203 #               tm_file=tahoe/harris.h
3204 #               ;;
3205 #       tahoe-*-bsd*)                   # tahoe running BSD
3206 #               ;;
3207         thumb-*-coff* | thumbel-*-coff*)
3208                 tm_file=arm/tcoff.h
3209                 out_file=arm/thumb.c
3210                 xm_file=arm/xm-thumb.h
3211                 md_file=arm/thumb.md
3212                 tmake_file=arm/t-thumb
3213                 ;;
3214         thumb-wrs-vxworks)
3215                 tm_file=arm/tcoff.h
3216                 out_file=arm/thumb.c
3217                 xm_file=arm/xm-thumb.h
3218                 md_file=arm/thumb.md
3219                 tmake_file=arm/t-thumb
3220                 thread_file='vxworks'
3221                 ;;
3222 # This hasn't been upgraded to GCC 2.
3223 #       tron-*-*)
3224 #               cpu_type=gmicro
3225 #               use_collect2=yes
3226 #               ;;
3227         v850-*-*)
3228                 cpu_type=v850
3229                 tm_file="v850/v850.h"
3230                 xm_file="v850/xm-v850.h"
3231                 tmake_file=v850/t-v850
3232                 if test x$stabs = xyes
3233                 then
3234                         tm_file="${tm_file} dbx.h"
3235                 fi
3236                 use_collect2=no
3237                 ;;
3238         vax-*-bsd*)                     # vaxen running BSD
3239                 use_collect2=yes
3240                 float_format=vax
3241                 ;;
3242         vax-*-sysv*)                    # vaxen running system V
3243                 tm_file="${tm_file} vax/vaxv.h"
3244                 xm_defines=USG
3245                 float_format=vax
3246                 ;;
3247         vax-*-netbsd*)
3248                 tm_file="${tm_file} netbsd.h vax/netbsd.h"
3249                 tmake_file=t-netbsd
3250                 float_format=vax
3251                 ;;
3252         vax-*-openbsd*)
3253                 tmake_file="${tmake_file} vax/t-openbsd"
3254                 ;;
3255         vax-*-ultrix*)                  # vaxen running ultrix
3256                 tm_file="${tm_file} vax/ultrix.h"
3257                 use_collect2=yes
3258                 float_format=vax
3259                 ;;
3260         vax-*-vms*)                     # vaxen running VMS
3261                 xm_file=vax/xm-vms.h
3262                 tm_file=vax/vms.h
3263                 float_format=vax
3264                 ;;
3265         vax-*-*)                        # vax default entry
3266                 float_format=vax
3267                 ;;
3268         we32k-att-sysv*)
3269                 xm_file="${xm_file} xm-svr3"
3270                 use_collect2=yes
3271                 ;;
3272         *)
3273                 echo "Configuration $machine not supported" 1>&2
3274                 exit 1
3275                 ;;
3276         esac
3277
3278         case $machine in
3279         *-*-linux-gnu*)
3280                 ;; # Existing GNU/Linux systems do not use the GNU setup.
3281         *-*-gnu*)
3282                 # On the GNU system, the setup is just about the same on
3283                 # each different CPU.  The specific machines that GNU
3284                 # supports are matched above and just set $cpu_type.
3285                 xm_file="xm-gnu.h ${xm_file}"
3286                 tm_file=${cpu_type}/gnu.h
3287                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
3288                 # GNU always uses ELF.
3289                 elf=yes
3290                 # GNU tools are the only tools.
3291                 gnu_ld=yes
3292                 gas=yes
3293                 xmake_file=x-linux      # These details are the same as Linux.
3294                 tmake_file=t-gnu        # These are not.
3295                 ;;
3296         *-*-sysv4*)
3297                 xmake_try_sysv=x-sysv
3298                 install_headers_dir=install-headers-cpio
3299                 ;;
3300         *-*-sysv*)
3301                 install_headers_dir=install-headers-cpio
3302                 ;;
3303         esac
3304
3305         # Distinguish i[34567]86
3306         # Also, do not run mips-tfile on MIPS if using gas.
3307         # Process --with-cpu= for PowerPC/rs6000
3308         target_cpu_default2=
3309         case $machine in
3310         i486-*-*)
3311                 target_cpu_default2=1
3312                 ;;
3313         i586-*-*)
3314                 case $target_alias in
3315                         k6-*)
3316                                 target_cpu_default2=4
3317                                 ;;
3318                         *)
3319                                 target_cpu_default2=2
3320                                 ;;
3321                 esac
3322                 ;;
3323         i686-*-* | i786-*-*)
3324                 target_cpu_default2=3
3325                 ;;
3326         alpha*-*-*)
3327                 case $machine in
3328                         alphaev6*)
3329                                 target_cpu_default2="MASK_CPU_EV6|MASK_BWX|MASK_CIX|MASK_MAX"
3330                                 ;;
3331                         alphapca56*)
3332                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX|MASK_MAX"
3333                                 ;;
3334                         alphaev56*)
3335                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX"
3336                                 ;;
3337                         alphaev5*)
3338                                 target_cpu_default2="MASK_CPU_EV5"
3339                                 ;;
3340                 esac
3341
3342                 if test x$gas = xyes
3343                 then
3344                         if test "$target_cpu_default2" = ""
3345                         then
3346                                 target_cpu_default2="MASK_GAS"
3347                         else
3348                                 target_cpu_default2="${target_cpu_default2}|MASK_GAS"
3349                         fi
3350                 fi
3351                 ;;
3352         arm*-*-*)
3353                 case "x$with_cpu" in
3354                         x)
3355                                 # The most generic
3356                                 target_cpu_default2="TARGET_CPU_generic"
3357                                 ;;
3358
3359                         # Distinguish cores, and major variants
3360                         # arm7m doesn't exist, but D & I don't affect code
3361                         xarm[23678] | xarm250 | xarm[67][01]0 \
3362                         | xarm7m | xarm7dm | xarm7dmi | xarm7tdmi \
3363                         | xarm7100 | xarm7500 | xarm7500fe | xarm810 \
3364                         | xstrongarm | xstrongarm110 | xstrongarm1100)
3365                                 target_cpu_default2="TARGET_CPU_$with_cpu"
3366                                 ;;
3367
3368                         xyes | xno)
3369                                 echo "--with-cpu must be passed a value" 1>&2
3370                                 exit 1
3371                                 ;;
3372
3373                         *)
3374                                 if test x$pass2done = xyes
3375                                 then
3376                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3377                                         exit 1
3378                                 fi
3379                                 ;;
3380                 esac
3381                 ;;
3382
3383         mips*-*-ecoff* | mips*-*-elf*)
3384                 if test x$gas = xyes
3385                 then
3386                         if test x$gnu_ld = xyes
3387                         then
3388                                 target_cpu_default2=20
3389                         else
3390                                 target_cpu_default2=16
3391                         fi
3392                 fi
3393                 ;;
3394         mips*-*-*)
3395                 if test x$gas = xyes
3396                 then
3397                         target_cpu_default2=16
3398                 fi
3399                 ;;
3400         powerpc*-*-* | rs6000-*-*)
3401                 case "x$with_cpu" in
3402                         x)
3403                                 ;;
3404
3405                         xcommon | xpower | xpower2 | xpowerpc | xrios \
3406                           | xrios1 | xrios2 | xrsc | xrsc1 \
3407                           | x601 | x602 | x603 | x603e | x604 | x604e | x620 \
3408                           | xec603e | x740 | x750 | x401 \
3409                           | x403 | x505 | x801 | x821 | x823 | x860)
3410                                 target_cpu_default2="\"$with_cpu\""
3411                                 ;;
3412
3413                         xyes | xno)
3414                                 echo "--with-cpu must be passed a value" 1>&2
3415                                 exit 1
3416                                 ;;
3417
3418                         *)
3419                                 if test x$pass2done = xyes
3420                                 then
3421                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3422                                         exit 1
3423                                 fi
3424                                 ;;
3425                 esac
3426                 ;;
3427         sparc*-*-*)
3428                 case ".$with_cpu" in
3429                         .)
3430                                 target_cpu_default2=TARGET_CPU_"`echo $machine | sed 's/-.*$//'`"
3431                                 ;;
3432                         .supersparc | .hypersparc | .ultrasparc | .v7 | .v8 | .v9)
3433                                 target_cpu_default2="TARGET_CPU_$with_cpu"
3434                                 ;;
3435                         *)
3436                                 if test x$pass2done = xyes
3437                                 then
3438                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3439                                         exit 1
3440                                 fi
3441                                 ;;
3442                 esac
3443                 ;;
3444         esac
3445
3446         if test "$target_cpu_default2" != ""
3447         then
3448                 if test "$target_cpu_default" != ""
3449                 then
3450                         target_cpu_default="(${target_cpu_default}|${target_cpu_default2})"
3451                 else
3452                         target_cpu_default=$target_cpu_default2
3453                 fi
3454         fi
3455
3456         # No need for collect2 if we have the GNU linker.
3457         # Actually, there is now; GNU ld doesn't handle the EH info or
3458         # collecting for shared libraries.
3459         #case x$gnu_ld in
3460         #xyes)
3461         #       use_collect2=
3462         #       ;;
3463         #esac
3464
3465 # Save data on machine being used to compile GCC in build_xm_file.
3466 # Save data on host machine in vars host_xm_file and host_xmake_file.
3467         if test x$pass1done = x
3468         then
3469                 if test x"$xm_file" = x
3470                 then build_xm_file=$cpu_type/xm-$cpu_type.h
3471                 else build_xm_file=$xm_file
3472                 fi
3473                 build_xm_defines=$xm_defines
3474                 build_install_headers_dir=$install_headers_dir
3475                 build_exeext=$exeext
3476                 pass1done=yes
3477         else
3478                 if test x$pass2done = x
3479                 then
3480                         if test x"$xm_file" = x
3481                         then host_xm_file=$cpu_type/xm-$cpu_type.h
3482                         else host_xm_file=$xm_file
3483                         fi
3484                         host_xm_defines=$xm_defines
3485                         if test x"$xmake_file" = x
3486                         then xmake_file=$cpu_type/x-$cpu_type
3487                         fi
3488                         host_xmake_file="$xmake_file"
3489                         host_truncate_target=$truncate_target
3490                         host_extra_gcc_objs=$extra_gcc_objs
3491                         host_extra_objs=$extra_host_objs
3492                         host_exeext=$exeext
3493                         pass2done=yes
3494                 fi
3495         fi
3496 done
3497
3498 extra_objs="${host_extra_objs} ${extra_objs}"
3499
3500 # Default the target-machine variables that were not explicitly set.
3501 if test x"$tm_file" = x
3502 then tm_file=$cpu_type/$cpu_type.h; fi
3503
3504 if test x$extra_headers = x
3505 then extra_headers=; fi
3506
3507 if test x"$xm_file" = x
3508 then xm_file=$cpu_type/xm-$cpu_type.h; fi
3509
3510 if test x$md_file = x
3511 then md_file=$cpu_type/$cpu_type.md; fi
3512
3513 if test x$out_file = x
3514 then out_file=$cpu_type/$cpu_type.c; fi
3515
3516 if test x"$tmake_file" = x
3517 then tmake_file=$cpu_type/t-$cpu_type
3518 fi
3519
3520 if test x"$dwarf2" = xyes
3521 then tm_file="tm-dwarf2.h $tm_file"
3522 fi
3523
3524 if test x$float_format = x
3525 then float_format=i64
3526 fi
3527
3528 if test $float_format = none
3529 then float_h_file=Makefile.in
3530 else float_h_file=float-$float_format.h
3531 fi
3532
3533 if test x$enable_haifa = x
3534 then
3535   case $target in
3536     alpha*-* | hppa*-* | powerpc*-* | rs6000-* | *sparc*-* | m32r*-*)
3537       enable_haifa=yes;;
3538   esac
3539 fi
3540
3541 # Handle cpp installation.
3542 if test x$enable_cpp != xno
3543 then
3544   tmake_file="$tmake_file t-install-cpp"
3545 fi
3546
3547 # Say what files are being used for the output code and MD file.
3548 echo "Using \`$srcdir/config/$out_file' to output insns."
3549 echo "Using \`$srcdir/config/$md_file' as machine description file."
3550
3551 count=a
3552 for f in $tm_file; do
3553         count=${count}x
3554 done
3555 if test $count = ax; then
3556         echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
3557 else
3558         echo "Using the following target machine macro files:"
3559         for f in $tm_file; do
3560                 echo "  $srcdir/config/$f"
3561         done
3562 fi
3563
3564 count=a
3565 for f in $host_xm_file; do
3566         count=${count}x
3567 done
3568 if test $count = ax; then
3569         echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
3570 else
3571         echo "Using the following host machine macro files:"
3572         for f in $host_xm_file; do
3573                 echo "  $srcdir/config/$f"
3574         done
3575 fi
3576
3577 if test "$host_xm_file" != "$build_xm_file"; then
3578         count=a
3579         for f in $build_xm_file; do
3580                 count=${count}x
3581         done
3582         if test $count = ax; then
3583                 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
3584         else
3585                 echo "Using the following build machine macro files:"
3586                 for f in $build_xm_file; do
3587                         echo "  $srcdir/config/$f"
3588                 done
3589         fi
3590 fi
3591
3592 if test x$thread_file = x; then
3593         if test x$target_thread_file != x; then
3594                 thread_file=$target_thread_file
3595         else
3596                 thread_file='single'
3597         fi
3598 fi
3599
3600 # Set up the header files.
3601 # $links is the list of header files to create.
3602 # $vars is the list of shell variables with file names to include.
3603 # auto-host.h is the file containing items generated by autoconf and is
3604 # the first file included by config.h.
3605 null_defines=
3606 host_xm_file="auto-host.h gansidecl.h ${host_xm_file} hwint.h"
3607
3608 # If host=build, it is correct to have hconfig include auto-host.h
3609 # as well.  If host!=build, we are in error and need to do more
3610 # work to find out the build config parameters.
3611 if test x$host = x$build
3612 then
3613         build_xm_file="auto-host.h gansidecl.h ${build_xm_file} hwint.h"
3614 else
3615         # We create a subdir, then run autoconf in the subdir.
3616         # To prevent recursion we set host and build for the new
3617         # invocation of configure to the build for this invocation
3618         # of configure.
3619         tempdir=build.$$
3620         rm -rf $tempdir
3621         mkdir $tempdir
3622         cd $tempdir
3623         case ${srcdir} in
3624         /*) realsrcdir=${srcdir};;
3625         *) realsrcdir=../${srcdir};;
3626         esac
3627         CC=${CC_FOR_BUILD} ${realsrcdir}/configure \
3628                 --target=$target --host=$build --build=$build
3629
3630         # We just finished tests for the build machine, so rename
3631         # the file auto-build.h in the gcc directory.
3632         mv auto-host.h ../auto-build.h
3633         cd ..
3634         rm -rf $tempdir
3635         build_xm_file="auto-build.h gansidecl.h ${build_xm_file} hwint.h"
3636 fi
3637
3638 xm_file="gansidecl.h ${xm_file}"
3639 tm_file="gansidecl.h ${tm_file}"
3640
3641 vars="host_xm_file tm_file xm_file build_xm_file"
3642 links="config.h tm.h tconfig.h hconfig.h"
3643 defines="host_xm_defines null_defines xm_defines build_xm_defines"
3644
3645 rm -f config.bak
3646 if test -f config.status; then mv -f config.status config.bak; fi
3647
3648 # Make the links.
3649 while test -n "$vars"
3650 do
3651         set $vars; var=$1; shift; vars=$*
3652         set $links; link=$1; shift; links=$*
3653         set $defines; define=$1; shift; defines=$*
3654
3655         rm -f $link
3656
3657         # Define TARGET_CPU_DEFAULT if the system wants one.
3658         # This substitutes for lots of *.h files.
3659         if test "$target_cpu_default" != "" -a $link = tm.h
3660         then
3661                 echo "#define TARGET_CPU_DEFAULT ($target_cpu_default)" >>$link
3662         fi
3663
3664         for file in `eval echo '$'$var`; do
3665                 case $file in
3666                 auto-config.h)
3667                         ;;
3668                 *)
3669                         echo '#ifdef IN_GCC' >>$link
3670                         ;;
3671                 esac
3672                 echo "#include \"$file\"" >>$link
3673                 case $file in
3674                 auto-config.h)
3675                         ;;
3676                 *)
3677                         echo '#endif' >>$link
3678                         ;;
3679                 esac
3680         done
3681
3682         for def in `eval echo '$'$define`; do
3683                 echo "#ifndef $def" >>$link
3684                 echo "#define $def" >>$link
3685                 echo "#endif" >>$link
3686         done
3687 done
3688
3689 # Truncate the target if necessary
3690 if test x$host_truncate_target != x; then
3691         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
3692 fi
3693
3694 # Get the version trigger filename from the toplevel
3695 if test "${with_gcc_version_trigger+set}" = set; then
3696         gcc_version_trigger=$with_gcc_version_trigger
3697 else
3698         gcc_version_trigger=${srcdir}/version.c
3699 fi
3700 changequote(,)dnl
3701 gcc_version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${gcc_version_trigger}`
3702 changequote([,])dnl
3703
3704 # Internationalization
3705 PACKAGE=gcc
3706 VERSION="$gcc_version"
3707 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
3708 AC_DEFINE_UNQUOTED(VERSION, "$VERSION")
3709 AC_SUBST(PACKAGE)
3710 AC_SUBST(VERSION)
3711
3712 ALL_LINGUAS="en_UK"
3713
3714 # NLS support is still experimental, so disable it by default for now.
3715 AC_ARG_ENABLE(nls,
3716   [  --enable-nls            use Native Language Support (disabled by default)],
3717   , enable_nls=no)
3718
3719 AM_GNU_GETTEXT
3720 XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT"
3721
3722 # Get an absolute path to the GCC top-level source directory
3723 holddir=`pwd`
3724 cd $srcdir
3725 topdir=`pwd`
3726 cd $holddir
3727
3728 # Conditionalize the makefile for this host machine.
3729 # Make-host contains the concatenation of all host makefile fragments
3730 # [there can be more than one].  This file is built by configure.frag.
3731 host_overrides=Make-host
3732 dep_host_xmake_file=
3733 for f in .. ${host_xmake_file}
3734 do
3735         if test -f ${srcdir}/config/$f
3736         then
3737                 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
3738         fi
3739 done
3740
3741 # Conditionalize the makefile for this target machine.
3742 # Make-target contains the concatenation of all host makefile fragments
3743 # [there can be more than one].  This file is built by configure.frag.
3744 target_overrides=Make-target
3745 dep_tmake_file=
3746 for f in .. ${tmake_file}
3747 do
3748         if test -f ${srcdir}/config/$f
3749         then
3750                 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
3751         fi
3752 done
3753
3754 # If the host doesn't support symlinks, modify CC in
3755 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
3756 # Otherwise, we can use "CC=$(CC)".
3757 rm -f symtest.tem
3758 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
3759 then
3760         cc_set_by_configure="\$(CC)"
3761         quoted_cc_set_by_configure="\$(CC)"
3762         stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
3763 else
3764         rm -f symtest.tem
3765         if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
3766         then
3767                 symbolic_link="cp -p"
3768         else
3769                 symbolic_link="cp"
3770         fi
3771         cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
3772         quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
3773         stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
3774 fi
3775 rm -f symtest.tem
3776
3777 out_object_file=`basename $out_file .c`.o
3778
3779 tm_file_list=
3780 for f in $tm_file; do
3781   case $f in
3782     gansidecl.h )
3783        tm_file_list="${tm_file_list} $f" ;;
3784     *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
3785   esac
3786 done
3787
3788 host_xm_file_list=
3789 for f in $host_xm_file; do
3790   case $f in
3791     auto-host.h | gansidecl.h | hwint.h )
3792        host_xm_file_list="${host_xm_file_list} $f" ;;
3793     *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
3794   esac
3795 done
3796
3797 build_xm_file_list=
3798 for f in $build_xm_file; do
3799   case $f in
3800     auto-build.h | auto-host.h | gansidecl.h | hwint.h )
3801        build_xm_file_list="${build_xm_file_list} $f" ;;
3802     *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
3803   esac
3804 done
3805
3806 # Define macro CROSS_COMPILE in compilation
3807 # if this is a cross-compiler.
3808 # Also use all.cross instead of all.internal
3809 # and add cross-make to Makefile.
3810 cross_overrides="/dev/null"
3811 if test x$host != x$target
3812 then
3813         cross_defines="CROSS=-DCROSS_COMPILE"
3814         cross_overrides="${topdir}/cross-make"
3815 fi
3816
3817 # When building gcc with a cross-compiler, we need to fix a few things.
3818 # This must come after cross-make as we want all.build to override
3819 # all.cross.
3820 build_overrides="/dev/null"
3821 if test x$build != x$host
3822 then
3823         build_overrides="${topdir}/build-make"
3824 fi
3825
3826 # Expand extra_headers to include complete path.
3827 # This substitutes for lots of t-* files.
3828 extra_headers_list=
3829 if test "x$extra_headers" = x
3830 then true
3831 else
3832         # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
3833         for file in $extra_headers;
3834         do
3835                 extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
3836         done
3837 fi
3838
3839 if test x$use_collect2 = xno; then
3840         use_collect2=
3841 fi
3842
3843 # Add a definition of USE_COLLECT2 if system wants one.
3844 # Also tell toplev.c what to do.
3845 # This substitutes for lots of t-* files.
3846 if test x$use_collect2 = x
3847 then
3848         will_use_collect2=
3849         maybe_use_collect2=
3850 else
3851         will_use_collect2="collect2"
3852         maybe_use_collect2="-DUSE_COLLECT2"
3853 fi
3854
3855 # NEED TO CONVERT
3856 # Set MD_DEPS if the real md file is in md.pre-cpp.
3857 # Set MD_CPP to the cpp to pass the md file through.  Md files use ';'
3858 # for line oriented comments, so we must always use a GNU cpp.  If
3859 # building gcc with a cross compiler, use the cross compiler just
3860 # built.  Otherwise, we can use the cpp just built.
3861 md_file_sub=
3862 if test "x$md_cppflags" = x
3863 then
3864         md_file_sub=$srcdir/config/$md_file
3865 else
3866         md_file=md
3867 fi
3868
3869 # If we have gas in the build tree, make a link to it.
3870 if test -f ../gas/Makefile; then
3871         rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
3872 fi
3873
3874 # If we have nm in the build tree, make a link to it.
3875 if test -f ../binutils/Makefile; then
3876         rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
3877 fi
3878
3879 # If we have ld in the build tree, make a link to it.
3880 if test -f ../ld/Makefile; then
3881 #       if test x$use_collect2 = x; then
3882 #               rm -f ld; $symbolic_link ../ld/ld-new$host_exeext ld$host_exeext 2>/dev/null
3883 #       else
3884                 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
3885 #       fi
3886 fi
3887
3888 # Figure out what assembler alignment features are present.
3889 AC_MSG_CHECKING(assembler alignment features)
3890 gcc_cv_as=
3891 gcc_cv_as_alignment_features=
3892 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
3893 if test -x "$DEFAULT_ASSEMBLER"; then
3894         gcc_cv_as="$DEFAULT_ASSEMBLER"
3895 elif test -x "$AS"; then
3896         gcc_cv_as="$AS"
3897 elif test -x as$host_exeext; then
3898         # Build using assembler in the current directory.
3899         gcc_cv_as=./as$host_exeext
3900 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
3901         # Single tree build which includes gas.
3902         for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
3903         do
3904 changequote(,)dnl
3905                 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
3906 changequote([,])dnl
3907                 if test x$gcc_cv_gas_version != x; then
3908                         break
3909                 fi
3910         done
3911 changequote(,)dnl
3912         gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
3913         gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
3914 changequote([,])dnl
3915         if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
3916                 # Gas version 2.6 and later support for .balign and .p2align.
3917                 # bytes to skip when using .p2align.
3918                 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
3919                         gcc_cv_as_alignment_features=".balign and .p2align"
3920                         AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
3921                 fi
3922                 # Gas version 2.8 and later support specifying the maximum
3923                 # bytes to skip when using .p2align.
3924                 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
3925                         gcc_cv_as_alignment_features=".p2align including maximum skip"
3926                         AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
3927                 fi
3928         fi
3929 elif test x$host = x$target; then
3930         # Native build.
3931         gcc_cv_as=as$host_exeext
3932 fi
3933 if test x$gcc_cv_as != x; then
3934         # Check if we have .balign and .p2align
3935         echo ".balign  4" > conftest.s
3936         echo ".p2align  2" >> conftest.s
3937         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
3938                 gcc_cv_as_alignment_features=".balign and .p2align"
3939                 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
3940         fi
3941         rm -f conftest.s conftest.o
3942         # Check if specifying the maximum bytes to skip when
3943         # using .p2align is supported.
3944         echo ".p2align 4,,7" > conftest.s
3945         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
3946                 gcc_cv_as_alignment_features=".p2align including maximum skip"
3947                 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
3948         fi
3949         rm -f conftest.s conftest.o
3950 fi
3951 AC_MSG_RESULT($gcc_cv_as_alignment_features)
3952
3953 AC_MSG_CHECKING(assembler subsection support)
3954 gcc_cv_as_subsections=
3955 if test x$gcc_cv_as != x; then
3956         # Check if we have .subsection
3957         echo ".subsection 1" > conftest.s
3958         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
3959                 gcc_cv_as_subsections=".subsection"
3960                 if test -x nm$host_exeext; then
3961                         gcc_cv_nm=./nm$host_exeext
3962                 elif test x$host = x$target; then
3963                         # Native build.
3964                         gcc_cv_nm=nm$host_exeext
3965                 fi
3966                 if test x$gcc_cv_nm != x; then
3967                         cat > conftest.s <<EOF
3968 conftest_label1: .word 0
3969 .subsection -1
3970 conftest_label2: .word 0
3971 .previous
3972 EOF
3973                         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
3974                                 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
3975                                 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
3976                                 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
3977                                         :
3978                                 else
3979                                         gcc_cv_as_subsections="working .subsection -1"
3980                                         AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING)
3981                                 fi
3982                         fi
3983                 fi
3984         fi
3985         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
3986 fi
3987 AC_MSG_RESULT($gcc_cv_as_subsections)
3988
3989 AC_MSG_CHECKING(assembler instructions)
3990 gcc_cv_as_instructions=
3991 if test x$gcc_cv_as != x; then
3992         set "filds fists" "filds mem; fists mem"
3993         while test $# -gt 0
3994         do
3995                 echo "$2" > conftest.s
3996                 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
3997                         gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
3998                         AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$1" | tr '[a-z ]' '[A-Z_]'`)
3999                 fi
4000                 shift 2
4001         done
4002         rm -f conftest.s conftest.o
4003 fi
4004 AC_MSG_RESULT($gcc_cv_as_instructions)
4005
4006 # Figure out what language subdirectories are present.
4007 # Look if the user specified --enable-languages="..."; if not, use
4008 # the environment variable $LANGUAGES if defined. $LANGUAGES might
4009 # go away some day.
4010 if test x"${enable_languages+set}" != xset; then
4011         if test x"${LANGUAGES+set}" = xset; then
4012                 enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
4013         else
4014                 enable_languages=all
4015         fi
4016 fi
4017 subdirs=
4018 for lang in ${srcdir}/*/config-lang.in ..
4019 do
4020         case $lang in
4021         ..) ;;
4022         # The odd quoting in the next line works around
4023         # an apparent bug in bash 1.12 on linux.
4024 changequote(,)dnl
4025         ${srcdir}/[*]/config-lang.in) ;;
4026         *)
4027           lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
4028           if test "x$lang_alias" = x
4029           then
4030                 echo "$lang doesn't set \$language." 1>&2
4031                 exit 1
4032           fi
4033           if test x"${enable_languages}" = xall; then
4034                 add_this_lang=yes
4035           else
4036                 case "${enable_languages}" in
4037                     ${lang_alias} | "${lang_alias},"* | *",${lang_alias},"* | *",${lang_alias}" )
4038                         add_this_lang=yes
4039                         ;;
4040                     * )
4041                         add_this_lang=no
4042                         ;;
4043                 esac
4044           fi
4045           if test x"${add_this_lang}" = xyes; then
4046                 case $lang in
4047                     ${srcdir}/ada/config-lang.in)
4048                         if test x$gnat = xyes ; then
4049                                 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
4050                         fi
4051                         ;;
4052                     *)
4053                         subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
4054                         ;;
4055                 esac
4056           fi
4057           ;;
4058 changequote([,])dnl
4059         esac
4060 done
4061
4062 # Make gthr-default.h if we have a thread file.
4063 gthread_flags=
4064 if test $thread_file != single; then
4065     rm -f gthr-default.h
4066     echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
4067     gthread_flags=-DHAVE_GTHR_DEFAULT
4068 fi
4069 AC_SUBST(gthread_flags)
4070
4071 # Make empty files to contain the specs and options for each language.
4072 # Then add #include lines to for a compiler that has specs and/or options.
4073
4074 lang_specs_files=
4075 lang_options_files=
4076 lang_tree_files=
4077 rm -f specs.h options.h gencheck.h
4078 touch specs.h options.h gencheck.h
4079 for subdir in . $subdirs
4080 do
4081         if test -f $srcdir/$subdir/lang-specs.h; then
4082                 echo "#include \"$subdir/lang-specs.h\"" >>specs.h
4083                 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
4084         fi
4085         if test -f $srcdir/$subdir/lang-options.h; then
4086                 echo "#include \"$subdir/lang-options.h\"" >>options.h
4087                 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
4088         fi
4089         if test -f $srcdir/$subdir/$subdir-tree.def; then
4090                 echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h
4091                 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
4092         fi
4093 done
4094
4095 # These (without "all_") are set in each config-lang.in.
4096 # `language' must be a single word so is spelled singularly.
4097 all_languages=
4098 all_boot_languages=
4099 all_compilers=
4100 all_stagestuff=
4101 all_diff_excludes=
4102 all_outputs='Makefile intl/Makefile po/Makefile.in fixinc/Makefile'
4103 # List of language makefile fragments.
4104 all_lang_makefiles=
4105 all_headers=
4106 all_lib2funcs=
4107
4108 # Add the language fragments.
4109 # Languages are added via two mechanisms.  Some information must be
4110 # recorded in makefile variables, these are defined in config-lang.in.
4111 # We accumulate them and plug them into the main Makefile.
4112 # The other mechanism is a set of hooks for each of the main targets
4113 # like `clean', `install', etc.
4114
4115 language_fragments="Make-lang"
4116 language_hooks="Make-hooks"
4117 oldstyle_subdirs=
4118
4119 for s in .. $subdirs
4120 do
4121         if test $s != ".."
4122         then
4123                 language=
4124                 boot_language=
4125                 compilers=
4126                 stagestuff=
4127                 diff_excludes=
4128                 headers=
4129                 outputs=
4130                 lib2funcs=
4131                 . ${srcdir}/$s/config-lang.in
4132                 if test "x$language" = x
4133                 then
4134                         echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
4135                         exit 1
4136                 fi
4137                 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in ${srcdir}/$s/Makefile.in"
4138                 all_languages="$all_languages $language"
4139                 if test "x$boot_language" = xyes
4140                 then
4141                         all_boot_languages="$all_boot_languages $language"
4142                 fi
4143                 all_compilers="$all_compilers $compilers"
4144                 all_stagestuff="$all_stagestuff $stagestuff"
4145                 all_diff_excludes="$all_diff_excludes $diff_excludes"
4146                 all_headers="$all_headers $headers"
4147                 all_outputs="$all_outputs $outputs"
4148                 if test x$outputs = x
4149                 then
4150                         oldstyle_subdirs="$oldstyle_subdirs $s"
4151                 fi
4152                 all_lib2funcs="$all_lib2funcs $lib2funcs"
4153         fi
4154 done
4155
4156 # Since we can't use `::' targets, we link each language in
4157 # with a set of hooks, reached indirectly via lang.${target}.
4158
4159 rm -f Make-hooks
4160 touch Make-hooks
4161 target_list="all.build all.cross start.encap rest.encap \
4162         info dvi \
4163         install-normal install-common install-info install-man \
4164         uninstall distdir \
4165         mostlyclean clean distclean extraclean maintainer-clean \
4166         stage1 stage2 stage3 stage4"
4167 for t in $target_list
4168 do
4169         x=
4170         for lang in .. $all_languages
4171         do
4172                 if test $lang != ".."; then
4173                         x="$x $lang.$t"
4174                 fi
4175         done
4176         echo "lang.$t: $x" >> Make-hooks
4177 done
4178
4179 # If we're not building in srcdir, create .gdbinit.
4180
4181 if test ! -f Makefile.in; then
4182         echo "dir ." > .gdbinit
4183         echo "dir ${srcdir}" >> .gdbinit
4184         if test x$gdb_needs_out_file_path = xyes
4185         then
4186                 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
4187         fi
4188         if test "x$subdirs" != x; then
4189                 for s in $subdirs
4190                 do
4191                         echo "dir ${srcdir}/$s" >> .gdbinit
4192                 done
4193         fi
4194         echo "source ${srcdir}/.gdbinit" >> .gdbinit
4195 fi
4196
4197 # Define variables host_canonical and build_canonical
4198 # because some Cygnus local changes in the Makefile depend on them.
4199 build_canonical=${build}
4200 host_canonical=${host}
4201 target_subdir=
4202 if test "${host}" != "${target}" ; then
4203     target_subdir=${target}/
4204 fi
4205 AC_SUBST(build_canonical)
4206 AC_SUBST(host_canonical)
4207 AC_SUBST(target_subdir)
4208
4209 # If this is using newlib, then define inhibit_libc in
4210 # LIBGCC2_CFLAGS.  This will cause __eprintf to be left out of
4211 # libgcc.a, but that's OK because newib should have its own version of
4212 # assert.h.
4213 inhibit_libc=
4214 if test x$with_newlib = xyes; then
4215         inhibit_libc=-Dinhibit_libc
4216 fi
4217 AC_SUBST(inhibit_libc)
4218
4219 # Override SCHED_OBJ and SCHED_CFLAGS to enable the Haifa scheduler.
4220 sched_prefix=
4221 sched_cflags=
4222 if test x$enable_haifa = xyes; then
4223     echo "Using the Haifa scheduler."
4224     sched_prefix=haifa-
4225     sched_cflags=-DHAIFA
4226 fi
4227 AC_SUBST(sched_prefix)
4228 AC_SUBST(sched_cflags)
4229 if test x$enable_haifa != x; then
4230     # Explicitly remove files that need to be recompiled for the Haifa scheduler.
4231     for x in genattrtab.o toplev.o *sched.o; do
4232         if test -f $x; then
4233             echo "Removing $x"
4234             rm -f $x
4235         fi
4236     done
4237 fi
4238
4239 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
4240 # absolute path for gcc_tooldir based on inserting the number of up-directory
4241 # movements required to get from $(exec_prefix) to $(prefix) into the basic
4242 # $(libsubdir)/@(unlibsubdir) based path.
4243 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
4244 # make and thus we'd get different behavior depending on where we built the
4245 # sources.
4246 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
4247     gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
4248 else
4249 changequote(<<, >>)dnl
4250 # An explanation of the sed strings:
4251 #  -e 's|^\$(prefix)||'   matches and eliminates 'prefix' from 'exec_prefix'
4252 #  -e 's|/$||'            match a trailing forward slash and eliminates it
4253 #  -e 's|^[^/]|/|'        forces the string to start with a forward slash (*)
4254 #  -e 's|/[^/]*|../|g'    replaces each occurance of /<directory> with ../
4255 #
4256 # (*) Note this pattern overwrites the first character of the string
4257 # with a forward slash if one is not already present.  This is not a
4258 # problem because the exact names of the sub-directories concerned is
4259 # unimportant, just the number of them matters.
4260 #
4261 # The practical upshot of these patterns is like this:
4262 #
4263 #  prefix     exec_prefix        result
4264 #  ------     -----------        ------
4265 #   /foo        /foo/bar          ../
4266 #   /foo/       /foo/bar          ../
4267 #   /foo        /foo/bar/         ../
4268 #   /foo/       /foo/bar/         ../
4269 #   /foo        /foo/bar/ugg      ../../
4270 #
4271     dollar='$$'
4272     gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
4273 changequote([, ])dnl
4274 fi
4275 AC_SUBST(gcc_tooldir)
4276 AC_SUBST(dollar)
4277
4278 # Nothing to do for FLOAT_H, float_format already handled.
4279 objdir=`pwd`
4280 AC_SUBST(objdir)
4281
4282 # Process the language and host/target makefile fragments.
4283 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
4284
4285 # Substitute configuration variables
4286 AC_SUBST(subdirs)
4287 AC_SUBST(all_boot_languages)
4288 AC_SUBST(all_compilers)
4289 AC_SUBST(all_diff_excludes)
4290 AC_SUBST(all_headers)
4291 AC_SUBST(all_lang_makefiles)
4292 AC_SUBST(all_languages)
4293 AC_SUBST(all_lib2funcs)
4294 AC_SUBST(all_stagestuff)
4295 AC_SUBST(build_exeext)
4296 AC_SUBST(build_install_headers_dir)
4297 AC_SUBST(build_xm_file_list)
4298 AC_SUBST(cc_set_by_configure)
4299 AC_SUBST(quoted_cc_set_by_configure)
4300 AC_SUBST(cpp_install_dir)
4301 AC_SUBST(cpp_main)
4302 AC_SUBST(dep_host_xmake_file)
4303 AC_SUBST(dep_tmake_file)
4304 AC_SUBST(extra_c_flags)
4305 AC_SUBST(extra_c_objs)
4306 AC_SUBST(extra_cpp_objs)
4307 AC_SUBST(extra_cxx_objs)
4308 AC_SUBST(extra_headers_list)
4309 AC_SUBST(extra_objs)
4310 AC_SUBST(extra_parts)
4311 AC_SUBST(extra_passes)
4312 AC_SUBST(extra_programs)
4313 AC_SUBST(fixinc_defs)
4314 AC_SUBST(float_h_file)
4315 AC_SUBST(gcc_gxx_include_dir)
4316 AC_SUBST(gcc_version)
4317 AC_SUBST(gcc_version_trigger)
4318 AC_SUBST(host_exeext)
4319 AC_SUBST(host_extra_gcc_objs)
4320 AC_SUBST(host_xm_file_list)
4321 AC_SUBST(install)
4322 AC_SUBST(JAVAGC)
4323 AC_SUBST(lang_options_files)
4324 AC_SUBST(lang_specs_files)
4325 AC_SUBST(lang_tree_files)
4326 AC_SUBST(local_prefix)
4327 AC_SUBST(maybe_use_collect2)
4328 AC_SUBST(md_file)
4329 AC_SUBST(objc_boehm_gc)
4330 AC_SUBST(out_file)
4331 AC_SUBST(out_object_file)
4332 AC_SUBST(stage_prefix_set_by_configure)
4333 AC_SUBST(symbolic_link)
4334 AC_SUBST(thread_file)
4335 AC_SUBST(tm_file_list)
4336 AC_SUBST(will_use_collect2)
4337
4338
4339 AC_SUBST_FILE(target_overrides)
4340 AC_SUBST_FILE(host_overrides)
4341 AC_SUBST(cross_defines)
4342 AC_SUBST_FILE(cross_overrides)
4343 AC_SUBST_FILE(build_overrides)
4344 AC_SUBST_FILE(language_fragments)
4345 AC_SUBST_FILE(language_hooks)
4346
4347 # Echo that links are built
4348 if test x$host = x$target
4349 then
4350         str1="native "
4351 else
4352         str1="cross-"
4353         str2=" from $host"
4354 fi
4355
4356 if test x$host != x$build
4357 then
4358         str3=" on a $build system"
4359 fi
4360
4361 if test "x$str2" != x || test "x$str3" != x
4362 then
4363         str4=
4364 fi
4365
4366 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
4367
4368 if test "x$str2" != x || test "x$str3" != x
4369 then
4370         echo " ${str2}${str3}." 1>&2
4371 fi
4372
4373 # Truncate the target if necessary
4374 if test x$host_truncate_target != x; then
4375         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
4376 fi
4377
4378 # Configure the subdirectories
4379 # AC_CONFIG_SUBDIRS($subdirs)
4380
4381 # Create the Makefile
4382 # and configure language subdirectories
4383 AC_OUTPUT($all_outputs,
4384 [
4385 . $srcdir/configure.lang
4386 case x$CONFIG_HEADERS in
4387 xauto-host.h:config.in)
4388 echo > cstamp-h ;;
4389 esac
4390 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
4391 # bootstrapping and the installation procedure can still use
4392 # CC="stage1/xgcc -Bstage1/".  If the host doesn't support symlinks,
4393 # FLAGS_TO_PASS has been modified to solve the problem there.
4394 # This is virtually a duplicate of what happens in configure.lang; we do
4395 # an extra check to make sure this only happens if ln -s can be used.
4396 if test "$symbolic_link" = "ln -s"; then
4397  for d in .. ${subdirs} ; do
4398    if test $d != ..; then
4399         STARTDIR=`pwd`
4400         cd $d
4401         for t in stage1 stage2 stage3 stage4 include
4402         do
4403                 rm -f $t
4404                 $symbolic_link ../$t $t 2>/dev/null
4405         done
4406         cd $STARTDIR
4407    fi
4408  done
4409 else true ; fi
4410 # Avoid having to add intl to our include paths.
4411 if test -f intl/libintl.h; then
4412   echo creating libintl.h
4413   echo '#include "intl/libintl.h"' >libintl.h
4414 fi
4415 ],
4416 [
4417 host='${host}'
4418 build='${build}'
4419 target='${target}'
4420 target_alias='${target_alias}'
4421 srcdir='${srcdir}'
4422 subdirs='${subdirs}'
4423 oldstyle_subdirs='${oldstyle_subdirs}'
4424 symbolic_link='${symbolic_link}'
4425 program_transform_set='${program_transform_set}'
4426 program_transform_name='${program_transform_name}'
4427 dep_host_xmake_file='${dep_host_xmake_file}'
4428 host_xmake_file='${host_xmake_file}'
4429 dep_tmake_file='${dep_tmake_file}'
4430 tmake_file='${tmake_file}'
4431 thread_file='${thread_file}'
4432 gcc_version='${gcc_version}'
4433 gcc_version_trigger='${gcc_version_trigger}'
4434 local_prefix='${local_prefix}'
4435 build_install_headers_dir='${build_install_headers_dir}'
4436 build_exeext='${build_exeext}'
4437 host_exeext='${host_exeext}'
4438 out_file='${out_file}'
4439 gdb_needs_out_file_path='${gdb_needs_out_file_path}'
4440 SET_MAKE='${SET_MAKE}'
4441 target_list='${target_list}'
4442 target_overrides='${target_overrides}'
4443 host_overrides='${host_overrides}'
4444 cross_defines='${cross_defines}'
4445 cross_overrides='${cross_overrides}'
4446 build_overrides='${build_overrides}'
4447 cpp_install_dir='${cpp_install_dir}'
4448 ])