gcc/configure.in

   1 # configure.in for GNU CC
   2 # Process this file with autoconf to generate a configuration script.
   3
   4 # Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
   5
   6 #This file is part of GNU CC.
   7
   8 #GNU CC is free software; you can redistribute it and/or modify
   9 #it under the terms of the GNU General Public License as published by
  10 #the Free Software Foundation; either version 2, or (at your option)
  11 #any later version.
  12
  13 #GNU CC is distributed in the hope that it will be useful,
  14 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #GNU General Public License for more details.
  17
  18 #You should have received a copy of the GNU General Public License
  19 #along with GNU CC; see the file COPYING.  If not, write to
  20 #the Free Software Foundation, 59 Temple Place - Suite 330,
  21 #Boston, MA 02111-1307, USA.
  22
  23 # Initialization and defaults
  24 AC_PREREQ(2.13)
  25 AC_INIT(tree.c)
  26 AC_CONFIG_HEADER(auto-host.h:config.in)
  27
  28 remove=rm
  29 hard_link=ln
  30 symbolic_link='ln -s'
  31 copy=cp
  32
  33 # Check for bogus environment variables.
  34 # Test if LIBRARY_PATH contains the notation for the current directory
  35 # since this would lead to problems installing/building glibc.
  36 # LIBRARY_PATH contains the current directory if one of the following
  37 # is true:
  38 # - one of the terminals (":" and ";") is the first or last sign
  39 # - two terminals occur directly after each other
  40 # - the path contains an element with a dot in it
  41 AC_MSG_CHECKING(LIBRARY_PATH variable)
  42 changequote(,)dnl
  43 case ${LIBRARY_PATH} in
  44   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
  45     library_path_setting="contains current directory"
  46     ;;
  47   *)
  48     library_path_setting="ok"
  49     ;;
  50 esac
  51 changequote([,])dnl
  52 AC_MSG_RESULT($library_path_setting)
  53 if test "$library_path_setting" != "ok"; then
  54 AC_MSG_ERROR([
  55 *** LIBRARY_PATH shouldn't contain the current directory when
  56 *** building gcc. Please change the environment variable
  57 *** and run configure again.])
  58 fi
  59
  60 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
  61 # since this would lead to problems installing/building glibc.
  62 # GCC_EXEC_PREFIX contains the current directory if one of the following
  63 # is true:
  64 # - one of the terminals (":" and ";") is the first or last sign
  65 # - two terminals occur directly after each other
  66 # - the path contains an element with a dot in it
  67 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
  68 changequote(,)dnl
  69 case ${GCC_EXEC_PREFIX} in
  70   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
  71     gcc_exec_prefix_setting="contains current directory"
  72     ;;
  73   *)
  74     gcc_exec_prefix_setting="ok"
  75     ;;
  76 esac
  77 changequote([,])dnl
  78 AC_MSG_RESULT($gcc_exec_prefix_setting)
  79 if test "$gcc_exec_prefix_setting" != "ok"; then
  80 AC_MSG_ERROR([
  81 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
  82 *** building gcc. Please change the environment variable
  83 *** and run configure again.])
  84 fi
  85
  86 # Check for additional parameters
  87
  88 # With GNU ld
  89 AC_ARG_WITH(gnu-ld,
  90 [  --with-gnu-ld           arrange to work with GNU ld.],
  91 gnu_ld_flag="$with_gnu_ld",
  92 gnu_ld_flag=no)
  93
  94 # With pre-defined ld
  95 AC_ARG_WITH(ld,
  96 [  --with-ld               arrange to use the specified ld (full pathname).],
  97 DEFAULT_LINKER="$with_ld")
  98 if test x"${DEFAULT_LINKER+set}" = x"set"; then
  99   if test ! -x "$DEFAULT_LINKER"; then
 100     AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
 101   elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
 102     gnu_ld_flag=yes
 103   fi
 104   AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
 105         [Define to enable the use of a default linker.])
 106 fi
 107
 108 # With GNU as
 109 AC_ARG_WITH(gnu-as,
 110 [  --with-gnu-as           arrange to work with GNU as.],
 111 gas_flag="$with_gnu_as",
 112 gas_flag=no)
 113
 114 AC_ARG_WITH(as,
 115 [  --with-as               arrange to use the specified as (full pathname).],
 116 DEFAULT_ASSEMBLER="$with_as")
 117 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
 118   if test ! -x "$DEFAULT_ASSEMBLER"; then
 119     AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
 120   elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
 121     gas_flag=yes
 122   fi
 123   AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
 124         [Define to enable the use of a default assembler.])
 125 fi
 126
 127 # With stabs
 128 AC_ARG_WITH(stabs,
 129 [  --with-stabs            arrange to use stabs instead of host debug format.],
 130 stabs="$with_stabs",
 131 stabs=no)
 132
 133 # With ELF
 134 AC_ARG_WITH(elf,
 135 [  --with-elf              arrange to use ELF instead of host debug format.],
 136 elf="$with_elf",
 137 elf=no)
 138
 139 # Specify the local prefix
 140 local_prefix=
 141 AC_ARG_WITH(local-prefix,
 142 [  --with-local-prefix=DIR specifies directory to put local include.],
 143 [case "${withval}" in
 144 yes)    AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
 145 no)     ;;
 146 *)      local_prefix=$with_local_prefix ;;
 147 esac])
 148
 149 # Default local prefix if it is empty
 150 if test x$local_prefix = x; then
 151         local_prefix=/usr/local
 152 fi
 153
 154 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
 155 # passed in by the toplevel make and thus we'd get different behavior
 156 # depending on where we built the sources.
 157 gcc_gxx_include_dir=
 158 # Specify the g++ header file directory
 159 AC_ARG_WITH(gxx-include-dir,
 160 [  --with-gxx-include-dir=DIR
 161                           specifies directory to put g++ header files.],
 162 [case "${withval}" in
 163 yes)    AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
 164 no)     ;;
 165 *)      gcc_gxx_include_dir=$with_gxx_include_dir ;;
 166 esac])
 167
 168 if test x${gcc_gxx_include_dir} = x; then
 169   if test x${enable_version_specific_runtime_libs} = xyes; then
 170     gcc_gxx_include_dir='${libsubdir}/include/g++'
 171   else
 172     topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
 173 changequote(<<, >>)dnl
 174     gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/g++"-${libstdcxx_interface}
 175 changequote([, ])dnl
 176   fi
 177 fi
 178
 179 # Enable expensive internal checks
 180 AC_ARG_ENABLE(checking,
 181 [  --enable-checking[=LIST]
 182                           enable expensive run-time checks.  With LIST,
 183                           enable only specific categories of checks.
 184                           Categories are: misc,tree,rtl,gc,gcac; default
 185                           is misc,tree,gc],
 186 [ac_checking=
 187 ac_tree_checking=
 188 ac_rtl_checking=
 189 ac_gc_checking=
 190 ac_gc_always_collect=
 191 case "${enableval}" in
 192 yes)    ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;;
 193 no)     ;;
 194 *)      IFS="${IFS=     }"; ac_save_IFS="$IFS"; IFS="$IFS,"
 195         set fnord $enableval; shift
 196         IFS="$ac_save_IFS"
 197         for check
 198         do
 199                 case $check in
 200                 misc)   ac_checking=1 ;;
 201                 tree)   ac_tree_checking=1 ;;
 202                 rtl)    ac_rtl_checking=1 ;;
 203                 gc)     ac_gc_checking=1 ;;
 204                 gcac)   ac_gc_always_collect=1 ;;
 205                 *)      AC_MSG_ERROR(unknown check category $check) ;;
 206                 esac
 207         done
 208         ;;
 209 esac
 210 ],
 211 # Enable some checks by default for development versions of GCC
 212 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1;])
 213 if test x$ac_checking != x ; then
 214   AC_DEFINE(ENABLE_CHECKING, 1,
 215 [Define if you want more run-time sanity checks.  This one gets a grab
 216    bag of miscellaneous but relatively cheap checks.])
 217 fi
 218 if test x$ac_tree_checking != x ; then
 219   AC_DEFINE(ENABLE_TREE_CHECKING, 1,
 220 [Define if you want all operations on trees (the basic data
 221    structure of the front ends) to be checked for dynamic type safety
 222    at runtime.  This is moderately expensive.])
 223 fi
 224 if test x$ac_rtl_checking != x ; then
 225   AC_DEFINE(ENABLE_RTL_CHECKING, 1,
 226 [Define if you want all operations on RTL (the basic data structure
 227    of the optimizer and back end) to be checked for dynamic type safety
 228    at runtime.  This is quite expensive.])
 229 fi
 230 if test x$ac_gc_checking != x ; then
 231   AC_DEFINE(ENABLE_GC_CHECKING, 1,
 232 [Define if you want the garbage collector to do object poisoning and
 233    other memory allocation checks.  This is quite expensive.])
 234 fi
 235 if test x$ac_gc_always_collect != x ; then
 236   AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
 237 [Define if you want the garbage collector to operate in maximally
 238    paranoid mode, validating the entire heap and collecting garbage at
 239    every opportunity.  This is extremely expensive.])
 240 fi
 241
 242
 243 AC_ARG_ENABLE(cpp,
 244 [  --disable-cpp           don't provide a user-visible C preprocessor.],
 245 [], [enable_cpp=yes])
 246
 247 AC_ARG_WITH(cpp_install_dir,
 248 [  --with-cpp-install-dir=DIR
 249                           install the user visible C preprocessor in DIR
 250                           (relative to PREFIX) as well as PREFIX/bin.],
 251 [if test x$withval = xyes; then
 252   AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
 253 elif test x$withval != xno; then
 254   cpp_install_dir=$withval
 255 fi])
 256
 257 # Link cpplib into the compiler proper, for C/C++/ObjC.
 258 AC_ARG_ENABLE(c-cpplib,
 259 [  --enable-c-cpplib       link cpplib directly into C and C++ compilers
 260                            (HIGHLY EXPERIMENTAL).],
 261 if test x$enable_c_cpplib != xno; then
 262   extra_c_objs="${extra_c_objs} libcpp.a"
 263   extra_cxx_objs="${extra_cxx_objs} ../libcpp.a"
 264   AC_DEFINE(USE_CPPLIB, 1,
 265   [Define if you want the preprocessor merged into the C and C++ compilers.
 266    This mode is not ready for production use.])
 267 fi)
 268
 269 # Enable Multibyte Characters for C/C++
 270 AC_ARG_ENABLE(c-mbchar,
 271 [  --enable-c-mbchar       Enable multibyte characters for C and C++.],
 272 if test x$enable_c_mbchar != xno; then
 273   AC_DEFINE(MULTIBYTE_CHARS, 1,
 274   [Define if you want the C and C++ compilers to support multibyte
 275    character sets for source code.])
 276 fi)
 277
 278 # Enable threads
 279 # Pass with no value to take the default
 280 # Pass with a value to specify a thread package
 281 AC_ARG_ENABLE(threads,
 282 [  --enable-threads        enable thread usage for target GCC.
 283   --enable-threads=LIB    use LIB thread package for target GCC.],
 284 if test x$enable_threads = xno; then
 285         enable_threads=''
 286 fi,
 287 enable_threads='')
 288
 289 enable_threads_flag=$enable_threads
 290 # Check if a valid thread package
 291 case x${enable_threads_flag} in
 292         x | xno)
 293                 # No threads
 294                 target_thread_file='single'
 295                 ;;
 296         xyes)
 297                 # default
 298                 target_thread_file=''
 299                 ;;
 300         xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
 301         xsolaris | xwin32 | xdce | xvxworks)
 302                 target_thread_file=$enable_threads_flag
 303                 ;;
 304         *)
 305                 echo "$enable_threads is an unknown thread package" 1>&2
 306                 exit 1
 307                 ;;
 308 esac
 309
 310 AC_ARG_ENABLE(objc-gc,
 311 [  --enable-objc-gc       enable the use of Boehm's garbage collector with
 312                           the GNU Objective-C runtime.],
 313 if test x$enable_objc_gc = xno; then
 314         objc_boehm_gc=''
 315 else
 316         objc_boehm_gc=1
 317 fi,
 318 objc_boehm_gc='')
 319
 320 AC_ARG_WITH(dwarf2,
 321 [  --with-dwarf2          force the default debug format to be DWARF2.],
 322 dwarf2="$with_dwarf2",
 323 dwarf2=no)
 324
 325 # Determine the host, build, and target systems
 326 AC_CANONICAL_SYSTEM
 327
 328 # Find the native compiler
 329 AC_PROG_CC
 330 AC_PROG_CC_C_O
 331 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
 332   NO_MINUS_C_MINUS_O=yes
 333 fi
 334 AC_SUBST(NO_MINUS_C_MINUS_O)
 335
 336 gcc_AC_C_LONG_DOUBLE
 337
 338 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
 339 ac_cv_prog_cc_no_long_long,
 340 [save_CFLAGS="$CFLAGS"
 341 CFLAGS="-Wno-long-long"
 342 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
 343                ac_cv_prog_cc_no_long_long=no)
 344 CFLAGS="$save_CFLAGS"])
 345
 346 # If the native compiler is GCC, we can enable warnings even in stage1.
 347 # That's useful for people building cross-compilers, or just running a
 348 # quick `make'.
 349 stage1_warn_cflags=" -W -Wall -Wtraditional -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes"
 350 stage2_warn_cflags="$stage1_warn_cflags -pedantic -Wno-long-long"
 351 if test "x$GCC" = "xyes"; then
 352   if test $ac_cv_prog_cc_no_long_long = yes; then
 353     stage1_warn_cflags="$stage1_warn_cflags -pedantic -Wno-long-long"
 354   fi
 355 else
 356   stage1_warn_cflags=""
 357 fi
 358 AC_SUBST(stage1_warn_cflags)
 359 AC_SUBST(stage2_warn_cflags)
 360
 361 AC_PROG_MAKE_SET
 362
 363 AC_MSG_CHECKING([whether a default assembler was specified])
 364 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
 365     if test x"$gas_flag" = x"no"; then
 366         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
 367     else
 368         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
 369     fi
 370 else
 371     AC_MSG_RESULT(no)
 372 fi
 373
 374 AC_MSG_CHECKING([whether a default linker was specified])
 375 if test x"${DEFAULT_LINKER+set}" = x"set"; then
 376     if test x"$gnu_ld_flag" = x"no"; then
 377         AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
 378     else
 379         AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
 380     fi
 381 else
 382     AC_MSG_RESULT(no)
 383 fi
 384
 385 AC_C_INLINE
 386
 387 # Find some useful tools
 388 AC_PROG_AWK
 389 AC_PROG_LEX
 390 gcc_AC_PROG_LN
 391 gcc_AC_PROG_LN_S
 392 gcc_AC_C_VOLATILE
 393 AC_PROG_RANLIB
 394 AC_PROG_YACC
 395 gcc_AC_PROG_INSTALL
 396
 397 AC_HEADER_STDC
 398 AC_HEADER_TIME
 399 gcc_AC_HEADER_STRING
 400 AC_HEADER_SYS_WAIT
 401 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
 402                  fcntl.h unistd.h stab.h sys/file.h sys/time.h \
 403                  sys/resource.h sys/param.h sys/times.h sys/stat.h \
 404                  direct.h malloc.h)
 405
 406 # Check for thread headers.
 407 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
 408 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
 409
 410 # See if GNAT has been installed
 411 AC_CHECK_PROG(gnat, gnatbind, yes, no)
 412
 413 # Do we have a single-tree copy of texinfo?
 414 if test -f $srcdir/../texinfo/Makefile.in; then
 415   MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
 416   gcc_cv_prog_makeinfo_modern=yes
 417   AC_MSG_RESULT([Using makeinfo from the unified source tree.])
 418 else
 419   # See if makeinfo has been installed and is modern enough
 420   # that we can use it.
 421   gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
 422   [GNU texinfo.* \([0-9][0-9.]*\)],
 423   [3.1[2-9] | 3.[2-9][0-9] | 4.* | 1.6[89] | 1.7[0-9]])
 424 fi
 425
 426 if test $gcc_cv_prog_makeinfo_modern = no; then
 427   AC_MSG_WARN([
 428 *** Makeinfo is missing or too old.
 429 *** Info documentation will not be built or installed.])
 430   BUILD_INFO=
 431   INSTALL_INFO=
 432 else
 433   BUILD_INFO=info               AC_SUBST(BUILD_INFO)
 434   INSTALL_INFO=install-info     AC_SUBST(INSTALL_INFO)
 435 fi
 436
 437 # See if the stage1 system preprocessor understands the ANSI C
 438 # preprocessor stringification operator.
 439 AC_C_STRINGIZE
 440
 441 # Use <inttypes.h> only if it exists,
 442 # doesn't clash with <sys/types.h>, and declares intmax_t.
 443 AC_MSG_CHECKING(for inttypes.h)
 444 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
 445 [AC_TRY_COMPILE(
 446   [#include <sys/types.h>
 447 #include <inttypes.h>],
 448   [intmax_t i = -1;],
 449   [gcc_cv_header_inttypes_h=yes],
 450   gcc_cv_header_inttypes_h=no)])
 451 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
 452 if test $gcc_cv_header_inttypes_h = yes; then
 453   AC_DEFINE(HAVE_INTTYPES_H, 1,
 454         [Define if you have a working <inttypes.h> header file.])
 455 fi
 456
 457 #
 458 # Determine if enumerated bitfields are unsigned.   ISO C says they can
 459 # be either signed or unsigned.
 460 #
 461 AC_CACHE_CHECK(for unsigned enumerated bitfields, gcc_cv_enum_bf_unsigned,
 462 [AC_TRY_RUN(#include <stdlib.h>
 463 enum t { BLAH = 128 } ;
 464 struct s_t { enum t member : 8; } s ;
 465 int main(void)
 466 {
 467         s.member = BLAH;
 468         if (s.member < 0) exit(1);
 469         exit(0);
 470
 471 }, gcc_cv_enum_bf_unsigned=yes, gcc_cv_enum_bf_unsigned=no, gcc_cv_enum_bf_unsigned=yes)])
 472 if test $gcc_cv_enum_bf_unsigned = yes; then
 473   AC_DEFINE(ENUM_BITFIELDS_ARE_UNSIGNED, 1,
 474     [Define if enumerated bitfields are treated as unsigned values.])
 475 fi
 476
 477 AC_CHECK_FUNCS(strtoul bsearch putenv popen bcopy bzero bcmp \
 478         index rindex strchr strrchr kill getrlimit setrlimit atoll atoq \
 479         sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \
 480         fputs_unlocked getrusage valloc)
 481
 482 AC_CHECK_TYPE(ssize_t, int)
 483
 484 # Try to determine the array type of the second argument of getgroups
 485 # for the target system (int or gid_t).
 486 AC_TYPE_GETGROUPS
 487 if test "${target}" = "${build}"; then
 488   TARGET_GETGROUPS_T=$ac_cv_type_getgroups
 489 else
 490   case "${target}" in
 491         # This condition may need some tweaking.  It should include all
 492         # targets where the array type of the second argument of getgroups
 493         # is int and the type of gid_t is not equivalent to int.
 494         *-*-sunos* | *-*-ultrix*)
 495                 TARGET_GETGROUPS_T=int
 496                 ;;
 497         *)
 498                 TARGET_GETGROUPS_T=gid_t
 499                 ;;
 500   esac
 501 fi
 502 AC_SUBST(TARGET_GETGROUPS_T)
 503
 504 gcc_AC_FUNC_VFPRINTF_DOPRNT
 505 gcc_AC_FUNC_PRINTF_PTR
 506
 507 case "${host}" in
 508 *-*-uwin*)
 509   # Under some versions of uwin, vfork is notoriously buggy and the test
 510   # can hang configure; on other versions, vfork exists just as a stub.
 511   # FIXME: This should be removed once vfork in uwin's runtime is fixed.
 512   ac_cv_func_vfork_works=no
 513   ;;
 514 esac
 515 AC_FUNC_VFORK
 516 AC_FUNC_MMAP_ANYWHERE
 517 AC_FUNC_MMAP_FILE
 518
 519 # We will need to find libiberty.h and ansidecl.h
 520 saved_CFLAGS="$CFLAGS"
 521 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
 522 gcc_AC_CHECK_DECLS(bcopy bzero bcmp \
 523         index rindex getenv atol sbrk abort atof getcwd getwd \
 524         strsignal putc_unlocked fputs_unlocked strstr environ \
 525         malloc realloc calloc free basename getopt, , ,[
 526 #include "gansidecl.h"
 527 #include "system.h"])
 528
 529 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
 530 #include "gansidecl.h"
 531 #include "system.h"
 532 #ifdef HAVE_SYS_RESOURCE_H
 533 #include <sys/resource.h>
 534 #endif
 535 ])
 536
 537 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
 538 CFLAGS="$saved_CFLAGS"
 539
 540 # mkdir takes a single argument on some systems.
 541 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
 542
 543 # File extensions
 544 manext='.1'
 545 objext='.o'
 546 AC_SUBST(manext)
 547 AC_SUBST(objext)
 548
 549 build_xm_file=
 550 build_xm_defines=
 551 build_install_headers_dir=install-headers-tar
 552 build_exeext=
 553 host_xm_file=
 554 host_xm_defines=
 555 host_xmake_file=
 556 host_truncate_target=
 557 host_exeext=
 558
 559 # Decode the host machine, then the target machine.
 560 # For the host machine, we save the xm_file variable as host_xm_file;
 561 # then we decode the target machine and forget everything else
 562 # that came from the host machine.
 563 for machine in $build $host $target; do
 564
 565         out_file=
 566         xmake_file=
 567         tmake_file=
 568         extra_headers=
 569         extra_passes=
 570         extra_parts=
 571         extra_programs=
 572         extra_objs=
 573         extra_host_objs=
 574         extra_gcc_objs=
 575         xm_defines=
 576         float_format=
 577         # Set this to force installation and use of collect2.
 578         use_collect2=
 579         # Set this to override the default target model.
 580         target_cpu_default=
 581         # Set this to control how the header file directory is installed.
 582         install_headers_dir=install-headers-tar
 583         # Set this to a non-empty list of args to pass to cpp if the target
 584         # wants its .md file passed through cpp.
 585         md_cppflags=
 586         # Set this if directory names should be truncated to 14 characters.
 587         truncate_target=
 588         # Set this if gdb needs a dir command with `dirname $out_file`
 589         gdb_needs_out_file_path=
 590         # Set this if the build machine requires executables to have a
 591         # file name suffix.
 592         exeext=
 593         # Set this to control which thread package will be used.
 594         thread_file=
 595         # Reinitialize these from the flag values every loop pass, since some
 596         # configure entries modify them.
 597         gas="$gas_flag"
 598         gnu_ld="$gnu_ld_flag"
 599         enable_threads=$enable_threads_flag
 600
 601         # Set default cpu_type, tm_file, tm_p_file and xm_file so it can be
 602         # updated in each machine entry.
 603         tm_p_file=
 604         cpu_type=`echo $machine | sed 's/-.*$//'`
 605         case $machine in
 606         alpha*-*-*)
 607                 cpu_type=alpha
 608                 ;;
 609         strongarm*-*-*)
 610                 cpu_type=arm
 611                 ;;
 612         arm*-*-*)
 613                 cpu_type=arm
 614                 ;;
 615         c*-convex-*)
 616                 cpu_type=convex
 617                 ;;
 618 changequote(,)dnl
 619         i[34567]86-*-*)
 620 changequote([,])dnl
 621                 cpu_type=i386
 622                 ;;
 623         hppa*-*-*)
 624                 cpu_type=pa
 625                 ;;
 626         m68000-*-*)
 627                 cpu_type=m68k
 628                 ;;
 629         mips*-*-*)
 630                 cpu_type=mips
 631                 ;;
 632         pj*-*-*)
 633                 cpu_type=pj
 634                 ;;
 635         powerpc*-*-*)
 636                 cpu_type=rs6000
 637                 ;;
 638         pyramid-*-*)
 639                 cpu_type=pyr
 640                 ;;
 641         sparc*-*-*)
 642                 cpu_type=sparc
 643                 ;;
 644         esac
 645
 646         tm_file=${cpu_type}/${cpu_type}.h
 647         xm_file=${cpu_type}/xm-${cpu_type}.h
 648         if test -f ${srcdir}/config/${cpu_type}/${cpu_type}-protos.h;
 649         then
 650                 tm_p_file=${cpu_type}/${cpu_type}-protos.h;
 651         fi
 652         # On a.out targets, we need to use collect2.
 653         case $machine in
 654         *-*-*aout*)
 655                 use_collect2=yes
 656                 ;;
 657         esac
 658
 659         # Common parts for linux and openbsd systems
 660         case $machine in
 661         *-*-linux*)
 662                 xm_defines="HAVE_ATEXIT POSIX BSTRING"
 663                 ;;
 664         *-*-openbsd*)
 665                 tm_file=${cpu_type}/openbsd.h
 666                 tmake_file="t-libc-ok t-openbsd"
 667                 # avoid surprises, always provide an xm-openbsd file
 668                 xm_file=${cpu_type}/xm-openbsd.h
 669                 # don't depend on processor x-fragments as well
 670                 xmake_file=none
 671                 if test x$enable_threads = xyes; then
 672                         thread_file='posix'
 673                         tmake_file="${tmake_file} t-openbsd-thread"
 674                 fi
 675                 ;;
 676         esac
 677
 678         case $machine in
 679         # Support site-specific machine types.
 680         *local*)
 681                 cpu_type=`echo $machine | sed -e 's/-.*//'`
 682                 rest=`echo $machine | sed -e "s/$cpu_type-//"`
 683                 xm_file=${cpu_type}/xm-$rest.h
 684                 tm_file=${cpu_type}/$rest.h
 685                 if test -f $srcdir/config/${cpu_type}/x-$rest; \
 686                 then xmake_file=${cpu_type}/x-$rest; \
 687                 else true; \
 688                 fi
 689                 if test -f $srcdir/config/${cpu_type}/t-$rest; \
 690                 then tmake_file=${cpu_type}/t-$rest; \
 691                 else true; \
 692                 fi
 693                 ;;
 694         1750a-*-*)
 695                 ;;
 696         a29k-*-bsd* | a29k-*-sym1*)
 697                 tm_file="${tm_file} a29k/unix.h"
 698                 xm_defines=USG
 699                 xmake_file=a29k/x-unix
 700                 use_collect2=yes
 701                 ;;
 702         a29k-*-udi | a29k-*-coff)
 703                 tm_file="${tm_file} dbxcoff.h a29k/udi.h"
 704                 tmake_file=a29k/t-a29kbare
 705                 ;;
 706         a29k-wrs-vxworks*)
 707                 tm_file="${tm_file} dbxcoff.h a29k/udi.h a29k/vx29k.h"
 708                 tmake_file=a29k/t-vx29k
 709                 extra_parts="crtbegin.o crtend.o"
 710                 thread_file='vxworks'
 711                 ;;
 712         a29k-*-*)                       # Default a29k environment.
 713                 use_collect2=yes
 714                 ;;
 715         alpha-*-interix)
 716                 tm_file="${tm_file} alpha/alpha32.h interix.h alpha/alpha-interix.h"
 717
 718                 # GAS + IEEE_CONFORMANT+IEEE (no inexact);
 719                 #target_cpu_default="MASK_GAS|MASK_IEEE_CONFORMANT|MASK_IEEE"
 720
 721                 # GAS + IEEE_CONFORMANT
 722                 target_cpu_default="MASK_GAS|MASK_IEEE_CONFORMANT"
 723
 724                 xm_file="alpha/xm-alpha-interix.h xm-interix.h"
 725                 xmake_file="x-interix alpha/t-pe"
 726                 tmake_file="alpha/t-alpha alpha/t-interix alpha/t-ieee"
 727                 if test x$enable_threads = xyes ; then
 728                         thread_file='posix'
 729                 fi
 730                 if test x$stabs = xyes ; then
 731                         tm_file="${tm_file} dbxcoff.h"
 732                 fi
 733                 #prefix='$$INTERIX_ROOT'/usr/contrib
 734                 #local_prefix='$$INTERIX_ROOT'/usr/contrib
 735                 ;;
 736         alpha*-*-linux*ecoff*)
 737                 tm_file="${tm_file} alpha/linux-ecoff.h alpha/linux.h"
 738                 target_cpu_default="MASK_GAS"
 739                 tmake_file="alpha/t-alpha alpha/t-ieee"
 740                 gas=no
 741                 xmake_file=none
 742                 gas=yes gnu_ld=yes
 743                 ;;
 744         alpha*-*-linux*libc1*)
 745                 tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
 746                 target_cpu_default="MASK_GAS"
 747                 tmake_file="t-linux t-linux-gnulibc1 alpha/t-alpha alpha/t-crtbe alpha/t-ieee"
 748                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
 749                 xmake_file=none
 750                 gas=yes gnu_ld=yes
 751                 if test x$enable_threads = xyes; then
 752                         thread_file='posix'
 753                 fi
 754                 ;;
 755         alpha*-*-linux*)
 756                 tm_file="${tm_file} alpha/elf.h alpha/linux.h alpha/linux-elf.h"
 757                 target_cpu_default="MASK_GAS"
 758                 tmake_file="t-linux alpha/t-crtbe alpha/t-alpha alpha/t-ieee"
 759                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
 760                 xmake_file=none
 761                 gas=yes gnu_ld=yes
 762                 if test x$enable_threads = xyes; then
 763                         thread_file='posix'
 764                 fi
 765                 ;;
 766         alpha*-*-netbsd*)
 767                 tm_file="${tm_file} alpha/elf.h alpha/netbsd.h alpha/netbsd-elf.h"
 768                 target_cpu_default="MASK_GAS"
 769                 tmake_file="alpha/t-crtbe alpha/t-alpha alpha/t-ieee"
 770                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
 771                 xmake_file=none
 772                 gas=yes gnu_ld=yes
 773                 ;;
 774
 775         alpha*-*-openbsd*)
 776                 # default x-alpha is only appropriate for dec-osf.
 777                 target_cpu_default="MASK_GAS"
 778                 tmake_file="alpha/t-alpha alpha/t-ieee"
 779                 ;;
 780
 781         alpha*-dec-osf*)
 782                 if test x$stabs = xyes
 783                 then
 784                         tm_file="${tm_file} dbx.h"
 785                 fi
 786                 if test x$gas != xyes
 787                 then
 788                         extra_passes="mips-tfile mips-tdump"
 789                 fi
 790                 use_collect2=yes
 791                 tmake_file="alpha/t-alpha alpha/t-ieee"
 792                 case $machine in
 793                   *-*-osf1*)
 794                     tm_file="${tm_file} alpha/osf.h alpha/osf12.h alpha/osf2or3.h"
 795                     ;;
 796 changequote(,)dnl
 797                   *-*-osf[23]*)
 798 changequote([,])dnl
 799                     tm_file="${tm_file} alpha/osf.h alpha/osf2or3.h"
 800                     ;;
 801                   *-*-osf4*)
 802                     tm_file="${tm_file} alpha/osf.h"
 803                     # Some versions of OSF4 (specifically X4.0-9 296.7) have
 804                     # a broken tar, so we use cpio instead.
 805                     install_headers_dir=install-headers-cpio
 806                     ;;
 807                   *-*-osf5*)
 808                     tm_file="${tm_file} alpha/osf.h alpha/osf5.h"
 809                     ;;
 810                 esac
 811                 case $machine in
 812 changequote(,)dnl
 813                   *-*-osf4.0[b-z] | *-*-osf4.[1-9]* | *-*-osf5*)
 814 changequote([,])dnl
 815                     target_cpu_default=MASK_SUPPORT_ARCH
 816                     ;;
 817                 esac
 818                 ;;
 819         alpha*-*-vxworks*)
 820                 tm_file="${tm_file} dbx.h alpha/vxworks.h"
 821                 tmake_file="alpha/t-alpha alpha/t-ieee"
 822                 if [ x$gas != xyes ]
 823                 then
 824                         extra_passes="mips-tfile mips-tdump"
 825                 fi
 826                 use_collect2=yes
 827                 thread_file='vxworks'
 828                 ;;
 829         alpha*-*-winnt*)
 830                 tm_file="${tm_file} alpha/alpha32.h alpha/win-nt.h winnt/win-nt.h"
 831                 xm_file="${xm_file} config/winnt/xm-winnt.h alpha/xm-winnt.h"
 832                 tmake_file="t-libc-ok alpha/t-alpha alpha/t-ieee"
 833                 xmake_file=winnt/x-winnt
 834                 extra_host_objs=oldnames.o
 835                 extra_gcc_objs="spawnv.o oldnames.o"
 836                 if test x$gnu_ld != xyes
 837                 then
 838                         extra_programs=ld.exe
 839                 fi
 840                 if test x$enable_threads = xyes; then
 841                         thread_file='win32'
 842                 fi
 843                 ;;
 844         alpha*-dec-vms*)
 845                 tm_file=alpha/vms.h
 846                 xm_file="${xm_file} alpha/xm-vms.h"
 847                 tmake_file="alpha/t-alpha alpha/t-vms alpha/t-ieee"
 848                 ;;
 849         arc-*-elf*)
 850                 extra_parts="crtinit.o crtfini.o"
 851                 ;;
 852         arm-*-coff* | armel-*-coff*)
 853                 tm_file=arm/coff.h
 854                 tmake_file=arm/t-arm-coff
 855                 ;;
 856         arm-*-vxworks*)
 857                 tm_file=arm/vxarm.h
 858                 tmake_file=arm/t-arm-coff
 859                 thread_file='vxworks'
 860                 ;;
 861 changequote(,)dnl
 862         arm-*-riscix1.[01]*)            # Acorn RISC machine (early versions)
 863 changequote([,])dnl
 864                 tm_file=arm/riscix1-1.h
 865                 use_collect2=yes
 866                 ;;
 867         arm-*-riscix*)                  # Acorn RISC machine
 868                 if test x$gas = xyes
 869                 then
 870                     tm_file=arm/rix-gas.h
 871                 else
 872                     tm_file=arm/riscix.h
 873                 fi
 874                 xmake_file=arm/x-riscix
 875                 tmake_file=arm/t-riscix
 876                 use_collect2=yes
 877                 ;;
 878         arm-semi-aout | armel-semi-aout)
 879                 tm_file=arm/semi.h
 880                 tmake_file=arm/t-semi
 881                 ;;
 882         arm-semi-aof | armel-semi-aof)
 883                 tm_file=arm/semiaof.h
 884                 tmake_file=arm/t-semiaof
 885                 ;;
 886         arm*-*-netbsd*)
 887                 tm_file=arm/netbsd.h
 888                 tmake_file="t-netbsd arm/t-netbsd"
 889                 use_collect2=yes
 890                 ;;
 891         arm*-*-linux*aout*)             # ARM GNU/Linux with a.out
 892                 cpu_type=arm
 893                 xmake_file=x-linux
 894                 tm_file=arm/linux-aout.h
 895                 tmake_file=arm/t-linux
 896                 gnu_ld=yes
 897                 ;;
 898         arm*-*-linux*oldld*)            # ARM GNU/Linux with old ELF linker
 899                 xm_file=arm/xm-linux.h
 900                 xmake_file=x-linux
 901                 tm_file="arm/linux-oldld.h arm/linux-elf.h"
 902                 case $machine in
 903                 armv2*-*-*)
 904                         tm_file="arm/linux-elf26.h $tm_file"
 905                         ;;
 906                 esac
 907                 tmake_file="t-linux arm/t-linux"
 908                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 909                 gnu_ld=yes
 910                 case x${enable_threads} in
 911                 x | xyes | xpthreads | xposix)
 912                         thread_file='posix'
 913                         ;;
 914                 esac
 915                 ;;
 916         arm*-*-linux*)          # ARM GNU/Linux with ELF
 917                 xm_file=arm/xm-linux.h
 918                 xmake_file=x-linux
 919                 tm_file="arm/linux-elf.h"
 920                 case $machine in
 921                 armv2*-*-*)
 922                         tm_file="arm/linux-elf26.h $tm_file"
 923                         ;;
 924                 esac
 925                 tmake_file="t-linux arm/t-linux"
 926                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 927                 gnu_ld=yes
 928                 case x${enable_threads} in
 929                 x | xyes | xpthreads | xposix)
 930                         thread_file='posix'
 931                         ;;
 932                 esac
 933                 ;;
 934         arm*-*-uclinux*)                # ARM ucLinux
 935                 tm_file=arm/uclinux-elf.h
 936                 tmake_file=arm/t-arm-elf
 937                 ;;
 938         arm*-*-aout)
 939                 tm_file=arm/aout.h
 940                 tmake_file=arm/t-arm-aout
 941                 ;;
 942         arm*-*-ecos-elf)
 943                 tm_file=arm/ecos-elf.h
 944                 tmake_file=arm/t-arm-elf
 945                 ;;
 946         arm*-*-elf)
 947                 tm_file=arm/unknown-elf.h
 948                 tmake_file=arm/t-arm-elf
 949                 ;;
 950         arm*-*-conix*)
 951                 tm_file=arm/conix-elf.h
 952                 tmake_file=arm/t-arm-elf
 953                 ;;
 954         arm*-*-oabi)
 955                 tm_file=arm/unknown-elf-oabi.h
 956                 tmake_file=arm/t-arm-elf
 957                 ;;
 958         arm-*-pe*)
 959                 tm_file=arm/pe.h
 960                 tmake_file=arm/t-pe
 961                 extra_objs="pe.o"
 962                 ;;
 963         avr-*-*)
 964                 ;;
 965         c1-convex-*)                    # Convex C1
 966                 target_cpu_default=1
 967                 use_collect2=yes
 968                 ;;
 969         c2-convex-*)                    # Convex C2
 970                 target_cpu_default=2
 971                 use_collect2=yes
 972                 ;;
 973         c32-convex-*)
 974                 target_cpu_default=4
 975                 use_collect2=yes
 976                 ;;
 977         c34-convex-*)
 978                 target_cpu_default=8
 979                 use_collect2=yes
 980                 ;;
 981         c38-convex-*)
 982                 target_cpu_default=16
 983                 use_collect2=yes
 984                 ;;
 985         c4x-*)
 986                 cpu_type=c4x
 987                 tmake_file=c4x/t-c4x
 988                 ;;
 989         clipper-intergraph-clix*)
 990                 tm_file="${tm_file} svr3.h clipper/clix.h"
 991                 xm_file=clipper/xm-clix.h
 992                 xmake_file=clipper/x-clix
 993                 extra_headers=va-clipper.h
 994                 extra_parts="crtbegin.o crtend.o"
 995                 install_headers_dir=install-headers-cpio
 996                 ;;
 997         d30v-*)
 998                 float_format=i64
 999                 ;;
1000         dsp16xx-*)
1001                 ;;
1002         elxsi-elxsi-*)
1003                 use_collect2=yes
1004                 ;;
1005         fr30-*-elf)
1006                 tm_file="fr30/fr30.h"
1007                 tmake_file=fr30/t-fr30
1008                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
1009                 ;;
1010 # This hasn't been upgraded to GCC 2.
1011 #       fx80-alliant-*)                 # Alliant FX/80
1012 #               ;;
1013         h8300-*-*)
1014                 float_format=i32
1015                 ;;
1016         hppa*-*-linux*)
1017                 target_cpu_default="(MASK_PA_11 | MASK_GAS | MASK_JUMP_IN_DELAY)"
1018                 tm_file="${tm_file} pa/elf.h linux.h pa/pa-linux.h"
1019                 tmake_file="t-linux pa/t-linux"
1020                 extra_parts="crtbegin.o crtend.o"
1021                 xmake_file=none
1022                 gas=yes gnu_ld=yes
1023                 if test x$enable_threads = xyes; then
1024                         thread_file='posix'
1025                 fi
1026                 ;;
1027         hppa*-*-openbsd*)
1028                 target_cpu_default="MASK_PA_11"
1029                 tmake_file=pa/t-openbsd
1030                 ;;
1031         hppa1.1-*-pro*)
1032                 target_cpu_default="(MASK_JUMP_IN_DELAY | MASK_PORTABLE_RUNTIME | MASK_GAS | MASK_NO_SPACE_REGS | MASK_SOFT_FLOAT)"
1033                 tm_file="${tm_file} pa/pa32-regs.h elfos.h pa/elf.h pa/pa-pro-end.h libgloss.h"
1034                 xm_file=pa/xm-papro.h
1035                 tmake_file=pa/t-pro
1036                 ;;
1037         hppa1.1-*-osf*)
1038                 target_cpu_default="MASK_PA_11"
1039                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-osf.h"
1040                 use_collect2=yes
1041                 ;;
1042         hppa1.1-*-rtems*)
1043                 target_cpu_default="(MASK_JUMP_IN_DELAY | MASK_PORTABLE_RUNTIME | MASK_GAS | MASK_NO_SPACE_REGS | MASK_SOFT_FLOAT)"
1044                 tm_file="${tm_file} pa/pa32-regs.h elfos.h pa/elf.h pa/pa-pro-end.h libgloss.h pa/rtems.h"
1045                 xm_file=pa/xm-papro.h
1046                 tmake_file=pa/t-pro
1047                 ;;
1048         hppa1.0-*-osf*)
1049                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-osf.h"
1050                 use_collect2=yes
1051                 ;;
1052         hppa1.1-*-bsd*)
1053                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h"
1054                 target_cpu_default="MASK_PA_11"
1055                 use_collect2=yes
1056                 ;;
1057         hppa1.0-*-bsd*)
1058                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h"
1059                 use_collect2=yes
1060                 ;;
1061         hppa1.0-*-hpux7*)
1062                 tm_file="pa/pa-oldas.h ${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux7.h"
1063                 xm_file=pa/xm-pahpux.h
1064                 xmake_file=pa/x-pa-hpux
1065                 if test x$gas = xyes
1066                 then
1067                         tm_file="${tm_file} pa/gas.h"
1068                 fi
1069                 install_headers_dir=install-headers-cpio
1070                 use_collect2=yes
1071                 ;;
1072 changequote(,)dnl
1073         hppa1.0-*-hpux8.0[0-2]*)
1074 changequote([,])dnl
1075                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h"
1076                 xm_file=pa/xm-pahpux.h
1077                 xmake_file=pa/x-pa-hpux
1078                 if test x$gas = xyes
1079                 then
1080                         tm_file="${tm_file} pa/pa-gas.h"
1081                 else
1082                         tm_file="pa/pa-oldas.h ${tm_file}"
1083                 fi
1084                 install_headers_dir=install-headers-cpio
1085                 use_collect2=yes
1086                 ;;
1087 changequote(,)dnl
1088         hppa1.1-*-hpux8.0[0-2]*)
1089 changequote([,])dnl
1090                 target_cpu_default="MASK_PA_11"
1091                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h"
1092                 xm_file=pa/xm-pahpux.h
1093                 xmake_file=pa/x-pa-hpux
1094                 if test x$gas = xyes
1095                 then
1096                         tm_file="${tm_file} pa/pa-gas.h"
1097                 else
1098                         tm_file="pa/pa-oldas.h ${tm_file}"
1099                 fi
1100                 install_headers_dir=install-headers-cpio
1101                 use_collect2=yes
1102                 ;;
1103         hppa1.1-*-hpux8*)
1104                 target_cpu_default="MASK_PA_11"
1105                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h"
1106                 xm_file=pa/xm-pahpux.h
1107                 xmake_file=pa/x-pa-hpux
1108                 if test x$gas = xyes
1109                 then
1110                         tm_file="${tm_file} pa/pa-gas.h"
1111                 fi
1112                 install_headers_dir=install-headers-cpio
1113                 use_collect2=yes
1114                 ;;
1115         hppa1.0-*-hpux8*)
1116                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h"
1117                 xm_file=pa/xm-pahpux.h
1118                 xmake_file=pa/x-pa-hpux
1119                 if test x$gas = xyes
1120                 then
1121                         tm_file="${tm_file} pa/pa-gas.h"
1122                 fi
1123                 install_headers_dir=install-headers-cpio
1124                 use_collect2=yes
1125                 ;;
1126         hppa1.1-*-hpux10* | hppa2*-*-hpux10*)
1127                 target_cpu_default="MASK_PA_11"
1128                 tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux10.h"
1129                 float_format=i128
1130                 xm_file=pa/xm-pahpux.h
1131                 xmake_file=pa/x-pa-hpux
1132                 tmake_file=pa/t-pa
1133                 if test x$gas = xyes
1134                 then
1135                         tm_file="${tm_file} pa/pa-gas.h"
1136                 fi
1137                 if test x$enable_threads = x; then
1138                     enable_threads=$have_pthread_h
1139                 fi
1140                 case x${enable_threads} in
1141                 xyes | xdce)
1142                         tmake_file="${tmake_file} pa/t-dce-thr"
1143                         ;;
1144                 esac
1145                 install_headers_dir=install-headers-cpio
1146                 use_collect2=yes
1147                 ;;
1148         hppa1.0-*-hpux10*)
1149                 tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux10.h"
1150                 float_format=i128
1151                 xm_file=pa/xm-pahpux.h
1152                 xmake_file=pa/x-pa-hpux
1153                 tmake_file=pa/t-pa
1154                 if test x$gas = xyes
1155                 then
1156                         tm_file="${tm_file} pa/pa-gas.h"
1157                 fi
1158                 if test x$enable_threads = x; then
1159                     enable_threads=$have_pthread_h
1160                 fi
1161                 case x${enable_threads} in
1162                 xyes | xdce)
1163                         tmake_file="${tmake_file} pa/t-dce-thr"
1164                         ;;
1165                 esac
1166                 install_headers_dir=install-headers-cpio
1167                 use_collect2=yes
1168                 ;;
1169         hppa*64*-*-hpux11*)
1170                 target_cpu_default="MASK_PA_11"
1171                 xm_file=pa/xm-pa64hpux.h
1172                 xmake_file=pa/x-pa-hpux
1173                 tmake_file=pa/t-pa
1174                 tm_file="pa/pa64-start.h ${tm_file} pa/pa64-regs.h pa/long_double.h pa/elf.h pa/pa-hpux.h pa/pa-hpux11.h pa/pa-64.h"
1175                 float_format=i128
1176                 tmake_file=pa/t-pa64
1177                 target_cpu_default="(MASK_PA_11|MASK_PA_20)"
1178
1179                 if [[ x$gas = xyes ]]
1180                 then
1181                         tm_file="${tm_file} pa/pa-gas.h"
1182                 fi
1183 #               if [[ x$enable_threads = x ]]; then
1184 #                   enable_threads=$have_pthread_h
1185 #               fi
1186 #               if [[ x$enable_threads = xyes ]]; then
1187 #                       thread_file='dce'
1188 #                       tmake_file="${tmake_file} pa/t-dce-thr"
1189 #               fi
1190                 install_headers_dir=install-headers-cpio
1191                 use_collect2=yes
1192                 ;;
1193         hppa1.1-*-hpux11* | hppa2*-*-hpux11*)
1194                 target_cpu_default="MASK_PA_11"
1195                 tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux11.h"
1196                 float_format=i128
1197                 xm_file=pa/xm-pahpux.h
1198                 xmake_file=pa/x-pa-hpux
1199                 tmake_file=pa/t-pa
1200                 if test x$gas = xyes
1201                 then
1202                         tm_file="${tm_file} pa/pa-gas.h"
1203                 fi
1204 #               if test x$enable_threads = x; then
1205 #                   enable_threads=$have_pthread_h
1206 #               fi
1207 #               if test x$enable_threads = xyes; then
1208 #                       thread_file='dce'
1209 #                       tmake_file="${tmake_file} pa/t-dce-thr"
1210 #               fi
1211                 install_headers_dir=install-headers-cpio
1212                 use_collect2=yes
1213                 ;;
1214         hppa1.0-*-hpux11*)
1215                 tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-hpux.h pa/pa-hpux11.h"
1216                 float_format=i128
1217                 xm_file=pa/xm-pahpux.h
1218                 xmake_file=pa/x-pa-hpux
1219                 if test x$gas = xyes
1220                 then
1221                         tm_file="${tm_file} pa/pa-gas.h"
1222                 fi
1223 #               if test x$enable_threads = x; then
1224 #                   enable_threads=$have_pthread_h
1225 #               fi
1226 #               if test x$enable_threads = xyes; then
1227 #                       thread_file='dce'
1228 #                       tmake_file="${tmake_file} pa/t-dce-thr"
1229 #               fi
1230                 install_headers_dir=install-headers-cpio
1231                 use_collect2=yes
1232                 ;;
1233         hppa1.1-*-hpux* | hppa2*-*-hpux*)
1234                 target_cpu_default="MASK_PA_11"
1235                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h pa/pa-hpux9.h"
1236                 xm_file=pa/xm-pahpux.h
1237                 xmake_file=pa/x-pa-hpux
1238                 if test x$gas = xyes
1239                 then
1240                         tm_file="${tm_file} pa/pa-gas.h"
1241                 fi
1242                 install_headers_dir=install-headers-cpio
1243                 use_collect2=yes
1244                 ;;
1245         hppa1.0-*-hpux*)
1246                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h pa/pa-hpux9.h"
1247                 xm_file=pa/xm-pahpux.h
1248                 xmake_file=pa/x-pa-hpux
1249                 if test x$gas = xyes
1250                 then
1251                         tm_file="${tm_file} pa/pa-gas.h"
1252                 fi
1253                 install_headers_dir=install-headers-cpio
1254                 use_collect2=yes
1255                 ;;
1256         hppa1.1-*-hiux* | hppa2*-*-hiux*)
1257                 target_cpu_default="MASK_PA_11"
1258                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h pa/pa-hiux.h"
1259                 xm_file=pa/xm-pahpux.h
1260                 xmake_file=pa/x-pa-hpux
1261                 if test x$gas = xyes
1262                 then
1263                         tm_file="${tm_file} pa/pa-gas.h"
1264                 fi
1265                 install_headers_dir=install-headers-cpio
1266                 use_collect2=yes
1267                 ;;
1268         hppa1.0-*-hiux*)
1269                 tm_file="${tm_file} pa/pa32-regs.h pa/som.h pa/pa-hpux.h pa/pa-hiux.h"
1270                 xm_file=pa/xm-pahpux.h
1271                 xmake_file=pa/x-pa-hpux
1272                 if test x$gas = xyes
1273                 then
1274                         tm_file="${tm_file} pa/pa-gas.h"
1275                 fi
1276                 install_headers_dir=install-headers-cpio
1277                 use_collect2=yes
1278                 ;;
1279         hppa*-*-lites*)
1280                 tm_file="${tm_file} pa/pa32-regs.h elfos.h pa/elf.h"
1281                 target_cpu_default="MASK_PA_11"
1282                 use_collect2=yes
1283                 ;;
1284         hppa*-*-mpeix*)
1285                 tm_file="${tm_file} pa/pa32-regs.h pa/long_double.h pa/som.h pa/pa-mpeix.h"
1286                 xm_file=pa/xm-pampeix.h
1287                 xmake_file=pa/x-pa-mpeix
1288                 echo "You must use gas. Assuming it is already installed."
1289                 install_headers_dir=install-headers-tar
1290                 use_collect2=yes
1291                 ;;
1292         i370-*-opened*)                  # IBM 360/370/390 Architecture
1293                 xm_file=i370/xm-oe.h
1294                 tm_file=i370/oe.h
1295                 xmake_file=i370/x-oe
1296                 tmake_file=i370/t-oe
1297                 ;;
1298         i370-*-mvs*)
1299                 xm_file=i370/xm-mvs.h
1300                 tm_file=i370/mvs.h
1301                 tmake_file=i370/t-mvs
1302                 ;;
1303         i370-*-linux*)
1304                 xm_file="xm-linux.h i370/xm-linux.h"
1305                 xmake_file=x-linux
1306                 tm_file="i370/linux.h ${tm_file}"
1307                 tmake_file="t-linux i370/t-linux"
1308                 # broken_install=yes
1309                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1310                 # extra_parts="crtbegin.o crtend.o"
1311                 gnu_ld=yes
1312                 gas=yes
1313                 elf=yes
1314                 if test x$enable_threads = xyes; then
1315                         thread_file='posix'
1316                 fi
1317                 ;;
1318 changequote(,)dnl
1319         i[34567]86-*-elf*)
1320 changequote([,])dnl
1321                 xm_file="${xm_file} xm-svr4.h i386/xm-sysv4.h"
1322                 tm_file=i386/i386elf.h
1323                 tmake_file=i386/t-i386elf
1324                 xmake_file=x-svr4
1325                 ;;
1326 changequote(,)dnl
1327         i[34567]86-ibm-aix*)            # IBM PS/2 running AIX
1328 changequote([,])dnl
1329                 if test x$gas = xyes
1330                 then
1331                         tm_file=i386/aix386.h
1332                         extra_parts="crtbegin.o crtend.o"
1333                         tmake_file=i386/t-crtstuff
1334                 else
1335                         tm_file=i386/aix386ng.h
1336                         use_collect2=yes
1337                 fi
1338                 xm_file="xm-alloca.h i386/xm-aix.h ${xm_file}"
1339                 xm_defines=USG
1340                 xmake_file=i386/x-aix
1341                 ;;
1342 changequote(,)dnl
1343         i[34567]86-ncr-sysv4*)          # NCR 3000 - ix86 running system V.4
1344 changequote([,])dnl
1345                 xm_file="xm-alloca.h ${xm_file}"
1346                 xm_defines="USG POSIX SMALL_ARG_MAX"
1347                 xmake_file=i386/x-ncr3000
1348                 if test x$stabs = xyes -a x$gas = xyes
1349                 then
1350                         tm_file=i386/sysv4gdb.h
1351                 else
1352                         tm_file=i386/sysv4.h
1353                 fi
1354                 extra_parts="crtbegin.o crtend.o"
1355                 tmake_file=i386/t-crtpic
1356                 ;;
1357 changequote(,)dnl
1358         i[34567]86-next-*)
1359 changequote([,])dnl
1360                 tm_file=i386/next.h
1361                 xm_file=i386/xm-next.h
1362                 tmake_file=i386/t-next
1363                 xmake_file=i386/x-next
1364                 extra_objs=nextstep.o
1365                 extra_parts="crtbegin.o crtend.o"
1366                 if test x$enable_threads = xyes; then
1367                         thread_file='mach'
1368                 fi
1369                 ;;
1370 changequote(,)dnl
1371         i[34567]86-sequent-bsd*)                # 80386 from Sequent
1372 changequote([,])dnl
1373                 use_collect2=yes
1374                 if test x$gas = xyes
1375                 then
1376                         tm_file=i386/seq-gas.h
1377                 else
1378                         tm_file=i386/sequent.h
1379                 fi
1380                 ;;
1381 changequote(,)dnl
1382         i[34567]86-sequent-ptx1*)
1383 changequote([,])dnl
1384                 xm_defines="USG SVR3"
1385                 xmake_file=i386/x-sysv3
1386                 tm_file=i386/seq-sysv3.h
1387                 tmake_file=i386/t-crtstuff
1388                 extra_parts="crtbegin.o crtend.o"
1389                 install_headers_dir=install-headers-cpio
1390                 ;;
1391 changequote(,)dnl
1392         i[34567]86-sequent-ptx2* | i[34567]86-sequent-sysv3*)
1393 changequote([,])dnl
1394                 xm_defines="USG SVR3"
1395                 xmake_file=i386/x-sysv3
1396                 tm_file=i386/seq2-sysv3.h
1397                 tmake_file=i386/t-crtstuff
1398                 extra_parts="crtbegin.o crtend.o"
1399                 install_headers_dir=install-headers-cpio
1400                 ;;
1401 changequote(,)dnl
1402         i[34567]86-sequent-ptx4* | i[34567]86-sequent-sysv4*)
1403 changequote([,])dnl
1404                 xm_file="xm-alloca.h ${xm_file}"
1405                 xm_defines="USG POSIX SMALL_ARG_MAX"
1406                 xmake_file=x-svr4
1407                 tm_file=i386/ptx4-i.h
1408                 tmake_file=t-svr4
1409                 extra_parts="crtbegin.o crtend.o"
1410                 install_headers_dir=install-headers-cpio
1411                 ;;
1412         i386-sun-sunos*)                # Sun i386 roadrunner
1413                 xm_defines=USG
1414                 tm_file=i386/sun.h
1415                 use_collect2=yes
1416                 ;;
1417 changequote(,)dnl
1418         i[34567]86-wrs-vxworks*)
1419 changequote([,])dnl
1420                 tm_file=i386/vxi386.h
1421                 tmake_file=i386/t-i386bare
1422                 thread_file='vxworks'
1423                 ;;
1424 changequote(,)dnl
1425         i[34567]86-*-aout*)
1426 changequote([,])dnl
1427                 tm_file=i386/i386-aout.h
1428                 tmake_file=i386/t-i386bare
1429                 ;;
1430 changequote(,)dnl
1431         i[34567]86-*-beoself* | i[34567]86-*-beos*)
1432 changequote([,])dnl
1433                 xm_file=i386/xm-beos.h
1434                 tmake_file='i386/t-beos i386/t-crtpic'
1435                 tm_file=i386/beos-elf.h
1436                 xmake_file=i386/x-beos
1437                 extra_parts='crtbegin.o crtend.o'
1438                 ;;
1439 changequote(,)dnl
1440         i[34567]86-*-bsdi* | i[34567]86-*-bsd386*)
1441 changequote([,])dnl
1442                 tm_file=i386/bsd386.h
1443 #               tmake_file=t-libc-ok
1444                 ;;
1445 changequote(,)dnl
1446         i[34567]86-*-bsd*)
1447 changequote([,])dnl
1448                 tm_file=i386/386bsd.h
1449 #               tmake_file=t-libc-ok
1450 # Next line turned off because both 386BSD and BSD/386 use GNU ld.
1451 #               use_collect2=yes
1452                 ;;
1453 changequote(,)dnl
1454         i[34567]86-*-freebsd[12] | i[34567]86-*-freebsd[12].* | i[34567]86-*-freebsd*aout*)
1455 changequote([,])dnl
1456                 tm_file="i386/freebsd.h i386/perform.h"
1457                 tmake_file=t-freebsd
1458                 ;;
1459 changequote(,)dnl
1460         i[34567]86-*-freebsd*)
1461 changequote([,])dnl
1462                 tm_file="i386/i386.h i386/att.h svr4.h freebsd.h i386/freebsd-elf.h i386/perform.h"
1463                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1464                 tmake_file=t-freebsd
1465                 gas=yes
1466                 gnu_ld=yes
1467                 stabs=yes
1468                 case x${enable_threads} in
1469                 xyes | xpthreads | xposix)
1470                         thread_file='posix'
1471                         tmake_file="${tmake_file} t-freebsd-thread"
1472                         ;;
1473                 esac
1474                 ;;
1475 changequote(,)dnl
1476         i[34567]86-*-netbsd*)
1477 changequote([,])dnl
1478                 tm_file=i386/netbsd.h
1479                 tmake_file=t-netbsd
1480                 use_collect2=yes
1481                 ;;
1482 changequote(,)dnl
1483         i[34567]86-*-openbsd*)
1484 changequote([,])dnl
1485                 # we need collect2 until our bug is fixed...
1486                 use_collect2=yes
1487                 ;;
1488 changequote(,)dnl
1489         i[34567]86-*-coff*)
1490 changequote([,])dnl
1491                 tm_file=i386/i386-coff.h
1492                 tmake_file=i386/t-i386bare
1493                 ;;
1494 changequote(,)dnl
1495         i[34567]86-*-isc*)              # 80386 running ISC system
1496 changequote([,])dnl
1497                 xm_file="${xm_file} i386/xm-isc.h"
1498                 xm_defines="USG SVR3"
1499                 case $machine in
1500 changequote(,)dnl
1501                   i[34567]86-*-isc[34]*)
1502 changequote([,])dnl
1503                     xmake_file=i386/x-isc3
1504                     ;;
1505                   *)
1506                     xmake_file=i386/x-isc
1507                     ;;
1508                 esac
1509                 if test x$gas = xyes -a x$stabs = xyes
1510                 then
1511                         tm_file=i386/iscdbx.h
1512                         tmake_file=i386/t-svr3dbx
1513                         extra_parts="svr3.ifile svr3z.ifile"
1514                 else
1515                         tm_file=i386/isccoff.h
1516                         tmake_file=i386/t-crtstuff
1517                         extra_parts="crtbegin.o crtend.o"
1518                 fi
1519                 tmake_file="$tmake_file i386/t-i386bare"
1520                 install_headers_dir=install-headers-cpio
1521                 ;;
1522 changequote(,)dnl
1523         i[34567]86-*-linux*oldld*)      # Intel 80386's running GNU/Linux
1524 changequote([,])dnl                     # with a.out format using
1525                                         # pre BFD linkers
1526                 xmake_file=x-linux-aout
1527                 tmake_file="t-linux-aout i386/t-crtstuff"
1528                 tm_file=i386/linux-oldld.h
1529                 gnu_ld=yes
1530                 float_format=i386
1531                 ;;
1532 changequote(,)dnl
1533         i[34567]86-*-linux*aout*)       # Intel 80386's running GNU/Linux
1534 changequote([,])dnl                     # with a.out format
1535                 xmake_file=x-linux-aout
1536                 tmake_file="t-linux-aout i386/t-crtstuff"
1537                 tm_file=i386/linux-aout.h
1538                 gnu_ld=yes
1539                 float_format=i386
1540                 ;;
1541 changequote(,)dnl
1542         i[34567]86-*-linux*libc1)       # Intel 80386's running GNU/Linux
1543 changequote([,])dnl                     # with ELF format using the
1544                                         # GNU/Linux C library 5
1545                 xmake_file=x-linux
1546                 tm_file=i386/linux.h
1547                 tmake_file="t-linux t-linux-gnulibc1 i386/t-crtstuff"
1548                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1549                 gnu_ld=yes
1550                 float_format=i386
1551                 if test x$enable_threads = xyes; then
1552                         thread_file='single'
1553                 fi
1554                 ;;
1555 changequote(,)dnl
1556         i[34567]86-*-linux*)    # Intel 80386's running GNU/Linux
1557 changequote([,])dnl                     # with ELF format using glibc 2
1558                                         # aka GNU/Linux C library 6
1559                 xmake_file=x-linux
1560                 tm_file=i386/linux.h
1561                 tmake_file="t-linux i386/t-crtstuff"
1562                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1563                 gnu_ld=yes
1564                 float_format=i386
1565                 if test x$enable_threads = xyes; then
1566                         thread_file='posix'
1567                 fi
1568                 ;;
1569 changequote(,)dnl
1570         i[34567]86-*-gnu*)
1571                 float_format=i386
1572 changequote([,])dnl
1573                 ;;
1574 changequote(,)dnl
1575         i[34567]86-go32-msdos | i[34567]86-*-go32*)
1576 changequote([,])dnl
1577                 echo "GO32/DJGPP V1.X is no longer supported. Use *-pc-msdosdjgpp for DJGPP V2.X instead."
1578                 exit 1
1579                 ;;
1580 changequote(,)dnl
1581         i[34567]86-pc-msdosdjgpp*)
1582 changequote([,])dnl
1583                 xm_file=i386/xm-djgpp.h
1584                 tm_file=i386/djgpp.h
1585                 tmake_file=i386/t-djgpp
1586                 xmake_file=i386/x-djgpp
1587                 gnu_ld=yes
1588                 gas=yes
1589                 exeext=.exe
1590                 float_format=none
1591                 case $host in *pc-msdosdjgpp*)
1592                         target_alias=djgpp
1593                         ;;
1594                 esac
1595                 ;;
1596 changequote(,)dnl
1597         i[34567]86-moss-msdos* | i[34567]86-*-moss*)
1598 changequote([,])dnl
1599                 tm_file=i386/moss.h
1600                 tmake_file=t-libc-ok
1601                 gnu_ld=yes
1602                 gas=yes
1603                 ;;
1604 changequote(,)dnl
1605         i[34567]86-*-lynxos*)
1606 changequote([,])dnl
1607                 if test x$gas = xyes
1608                 then
1609                         tm_file=i386/lynx.h
1610                 else
1611                         tm_file=i386/lynx-ng.h
1612                 fi
1613                 xm_file=i386/xm-lynx.h
1614                 tmake_file=i386/t-i386bare
1615                 xmake_file=x-lynx
1616                 ;;
1617 changequote(,)dnl
1618         i[34567]86-*-mach*)
1619 changequote([,])dnl
1620                 tm_file=i386/mach.h
1621 #               tmake_file=t-libc-ok
1622                 use_collect2=yes
1623                 ;;
1624 changequote(,)dnl
1625         i[34567]86-*-osfrose*)          # 386 using OSF/rose
1626 changequote([,])dnl
1627                 if test x$elf = xyes
1628                 then
1629                         tm_file=i386/osfelf.h
1630                         use_collect2=
1631                 else
1632                         tm_file=i386/osfrose.h
1633                         use_collect2=yes
1634                 fi
1635                 xm_file="i386/xm-osf.h ${xm_file}"
1636                 xmake_file=i386/x-osfrose
1637                 tmake_file=i386/t-osf
1638                 extra_objs=halfpic.o
1639                 ;;
1640 changequote(,)dnl
1641         i[34567]86-go32-rtems*)
1642 changequote([,])dnl
1643                 cpu_type=i386
1644                 xm_file=i386/xm-go32.h
1645                 tm_file=i386/go32-rtems.h
1646                 tmake_file="i386/t-go32 t-rtems"
1647                 ;;
1648 changequote(,)dnl
1649         i[34567]86-*-rtemscoff*)
1650 changequote([,])dnl
1651                 cpu_type=i386
1652                 tm_file=i386/rtems.h
1653                 tmake_file="i386/t-i386bare t-rtems"
1654                 ;;
1655 changequote(,)dnl
1656         i[34567]86-*-rtems*|i[34567]86-*-rtemself*)
1657 changequote([,])dnl
1658                 cpu_type=i386
1659                 tm_file=i386/rtemself.h
1660                 extra_parts="crtbegin.o crtend.o crti.o crtn.o"
1661                 tmake_file="i386/t-rtems-i386 i386/t-crtstuff t-rtems"
1662                 ;;
1663 changequote(,)dnl
1664         i[34567]86-*-sco3.2v5*) # 80386 running SCO Open Server 5
1665 changequote([,])dnl
1666                 xm_file="xm-alloca.h ${xm_file} i386/xm-sco5.h"
1667                 xm_defines="USG SVR3"
1668                 xmake_file=i386/x-sco5
1669                 install_headers_dir=install-headers-cpio
1670                 tm_file=i386/sco5.h
1671                 if test x$gas = xyes
1672                 then
1673                         tm_file="i386/sco5gas.h ${tm_file}"
1674                         tmake_file=i386/t-sco5gas
1675                 else
1676                         tmake_file=i386/t-sco5
1677                 fi
1678                 tmake_file="$tmake_file i386/t-i386bare"
1679                 extra_parts="crti.o crtbegin.o crtend.o crtbeginS.o crtendS.o"
1680                 ;;
1681 changequote(,)dnl
1682         i[34567]86-*-sco3.2v4*)         # 80386 running SCO 3.2v4 system
1683 changequote([,])dnl
1684                 xm_file="${xm_file} i386/xm-sco.h"
1685                 xm_defines="USG SVR3 BROKEN_LDEXP SMALL_ARG_MAX"
1686                 xmake_file=i386/x-sco4
1687                 install_headers_dir=install-headers-cpio
1688                 if test x$stabs = xyes
1689                 then
1690                         tm_file=i386/sco4dbx.h
1691                         tmake_file=i386/t-svr3dbx
1692                         extra_parts="svr3.ifile svr3z.rfile"
1693                 else
1694                         tm_file=i386/sco4.h
1695                         tmake_file=i386/t-crtstuff
1696                         extra_parts="crtbegin.o crtend.o"
1697                 fi
1698                 tmake_file="$tmake_file i386/t-i386bare"
1699                 # The default EAFS filesystem supports long file names.
1700                 # Truncating the target makes $host != $target which
1701                 # makes gcc think it is doing a cross-compile.
1702                 # truncate_target=yes
1703                 ;;
1704 changequote(,)dnl
1705         i[34567]86-*-sco*)              # 80386 running SCO system
1706 changequote([,])dnl
1707                 xm_file=i386/xm-sco.h
1708                 xmake_file=i386/x-sco
1709                 install_headers_dir=install-headers-cpio
1710                 if test x$stabs = xyes
1711                 then
1712                         tm_file=i386/scodbx.h
1713                         tmake_file=i386/t-svr3dbx
1714                         extra_parts="svr3.ifile svr3z.rfile"
1715                 else
1716                         tm_file=i386/sco.h
1717                         extra_parts="crtbegin.o crtend.o"
1718                         tmake_file=i386/t-crtstuff
1719                 fi
1720                 tmake_file="$tmake_file i386/t-i386bare"
1721                 truncate_target=yes
1722                 ;;
1723 changequote(,)dnl
1724         i[34567]86-*-solaris2*)
1725 changequote([,])dnl
1726                 xm_file="xm-alloca.h ${xm_file}"
1727                 xm_defines="USG POSIX SMALL_ARG_MAX"
1728                 tm_file=i386/sol2.h
1729                 if test x$gas = xyes; then
1730                         # Only needed if gas does not support -s
1731                         tm_file="i386/sol2gas.h ${tm_file}"
1732                 fi
1733                 tmake_file="i386/t-i386bare i386/t-sol2"
1734                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
1735                 xmake_file=x-svr4
1736                 if test x${enable_threads} = x; then
1737                     enable_threads=$have_pthread_h
1738                     if test x${enable_threads} = x; then
1739                         enable_threads=$have_thread_h
1740                     fi
1741                 fi
1742                 if test x${enable_threads} = xyes; then
1743                     if test x${have_pthread_h} = xyes; then
1744                         thread_file='posix'
1745                     else
1746                         thread_file='solaris'
1747                     fi
1748                 fi
1749                 ;;
1750 changequote(,)dnl
1751        i[34567]86-*-sysv5*)           # Intel x86 on System V Release 5
1752 changequote([,])dnl
1753                xm_file="xm-alloca.h ${xm_file}"
1754                xm_defines="USG POSIX"
1755                tm_file=i386/sysv5.h
1756                if test x$stabs = xyes
1757                then
1758                        tm_file="${tm_file} dbx.h"
1759                fi
1760                tmake_file="i386/t-i386bare i386/t-crtpic"
1761                xmake_file=x-svr4
1762                extra_parts="crtbegin.o crtend.o"
1763                if test x$enable_threads = xyes; then
1764                        thread_file='posix'
1765                fi
1766                ;;
1767 changequote(,)dnl
1768         i[34567]86-*-sysv4*)            # Intel 80386's running system V.4
1769 changequote([,])dnl
1770                 xm_file="xm-alloca.h ${xm_file}"
1771                 xm_defines="USG POSIX SMALL_ARG_MAX"
1772                 tm_file=i386/sysv4.h
1773                 if test x$stabs = xyes
1774                 then
1775                         tm_file="${tm_file} dbx.h"
1776                 fi
1777                 tmake_file="i386/t-i386bare i386/t-crtpic"
1778                 xmake_file=x-svr4
1779                 extra_parts="crtbegin.o crtend.o"
1780                 ;;
1781 changequote(,)dnl
1782         i[34567]86-*-udk*)      # Intel x86 on SCO UW/OSR5 Dev Kit
1783 changequote([,])dnl
1784                 xm_file="xm-alloca.h ${xm_file}"
1785                 xm_defines="USG POSIX"
1786                 tm_file=i386/udk.h
1787                 tmake_file="i386/t-i386bare i386/t-crtpic i386/t-udk"
1788                 xmake_file=x-svr4
1789                 extra_parts="crtbegin.o crtend.o"
1790                 install_headers_dir=install-headers-cpio
1791                 ;;
1792 changequote(,)dnl
1793         i[34567]86-*-osf1*)             # Intel 80386's running OSF/1 1.3+
1794 changequote([,])dnl
1795                 cpu_type=i386
1796                 xm_file="${xm_file} xm-svr4.h i386/xm-sysv4.h i386/xm-osf1elf.h"
1797                 xm_defines="USE_C_ALLOCA SMALL_ARG_MAX"
1798                 if test x$stabs = xyes
1799                 then
1800                         tm_file=i386/osf1elfgdb.h
1801                 else
1802                         tm_file=i386/osf1elf.h
1803                 fi
1804                 tmake_file=i386/t-osf1elf
1805                 xmake_file=i386/x-osf1elf
1806                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
1807                 ;;
1808 changequote(,)dnl
1809         i[34567]86-*-sysv*)             # Intel 80386's running system V
1810 changequote([,])dnl
1811                 xm_defines="USG SVR3"
1812                 xmake_file=i386/x-sysv3
1813                 if test x$gas = xyes
1814                 then
1815                         if test x$stabs = xyes
1816                         then
1817                                 tm_file=i386/svr3dbx.h
1818                                 tmake_file=i386/t-svr3dbx
1819                                 extra_parts="svr3.ifile svr3z.rfile"
1820                         else
1821                                 tm_file=i386/svr3gas.h
1822                                 extra_parts="crtbegin.o crtend.o"
1823                                 tmake_file=i386/t-crtstuff
1824                         fi
1825                 else
1826                         tm_file=i386/sysv3.h
1827                         extra_parts="crtbegin.o crtend.o"
1828                         tmake_file=i386/t-crtstuff
1829                 fi
1830                 tmake_file="$tmake_file i386/t-crtpic"
1831                 ;;
1832         i386-*-vsta)                    # Intel 80386's running VSTa kernel
1833                 xm_file="${xm_file} i386/xm-vsta.h"
1834                 tm_file=i386/vsta.h
1835                 tmake_file=i386/t-vsta
1836                 xmake_file=i386/x-vsta
1837                 ;;
1838 changequote(,)dnl
1839         i[34567]86-*-win32)
1840 changequote([,])dnl
1841                 xm_file="${xm_file} i386/xm-cygwin.h"
1842                 tmake_file=i386/t-cygwin
1843                 tm_file=i386/win32.h
1844                 xmake_file=i386/x-cygwin
1845                 extra_objs=winnt.o
1846                 if test x$enable_threads = xyes; then
1847                         thread_file='win32'
1848                 fi
1849                 exeext=.exe
1850                 ;;
1851 changequote(,)dnl
1852         i[34567]86-*-pe | i[34567]86-*-cygwin*)
1853 changequote([,])dnl
1854                 xm_file="${xm_file} i386/xm-cygwin.h"
1855                 tmake_file=i386/t-cygwin
1856                 tm_file=i386/cygwin.h
1857                 xmake_file=i386/x-cygwin
1858                 extra_objs=winnt.o
1859                 if test x$enable_threads = xyes; then
1860                         thread_file='win32'
1861                 fi
1862                 exeext=.exe
1863                 ;;
1864 changequote(,)dnl
1865         i[34567]86-*-mingw32*)
1866 changequote([,])dnl
1867                 tm_file=i386/mingw32.h
1868                 xm_file="${xm_file} i386/xm-mingw32.h"
1869                 tmake_file="i386/t-cygwin i386/t-mingw32"
1870                 extra_objs=winnt.o
1871                 xmake_file=i386/x-cygwin
1872                 if test x$enable_threads = xyes; then
1873                         thread_file='win32'
1874                 fi
1875                 exeext=.exe
1876                 case $machine in
1877                         *mingw32msv*)
1878                                 ;;
1879                         *minwg32crt* | *mingw32*)
1880                                 tm_file="${tm_file} i386/crtdll.h"
1881                                 ;;
1882                 esac
1883                 ;;
1884 changequote(,)dnl
1885         i[34567]86-*-uwin*)
1886 changequote([,])dnl
1887                 tm_file=i386/uwin.h
1888                 xm_file="${xm_file} i386/xm-uwin.h"
1889                 xm_defines="USG NO_STAB_H"
1890                 tmake_file="i386/t-cygwin i386/t-uwin"
1891                 extra_objs=winnt.o
1892                 xmake_file=i386/x-cygwin
1893                 if test x$enable_threads = xyes; then
1894                         thread_file='win32'
1895                 fi
1896                 exeext=.exe
1897                 ;;
1898 changequote(,)dnl
1899         i[34567]86-*-interix*)
1900 changequote([,])dnl
1901                 tm_file="i386/i386-interix.h interix.h"
1902                 xm_file="i386/xm-i386-interix.h xm-interix.h"
1903                 xm_defines="USG"
1904                 tmake_file="i386/t-interix"
1905                 extra_objs=interix.o
1906                 xmake_file=x-interix
1907                 if test x$enable_threads = xyes ; then
1908                         thread_file='posix'
1909                 fi
1910                 if test x$stabs = xyes ; then
1911                         tm_file="${tm_file} dbxcoff.h"
1912                 fi
1913                 ;;
1914 changequote(,)dnl
1915         i[34567]86-*-winnt3*)
1916 changequote([,])dnl
1917                 tm_file=i386/win-nt.h
1918                 out_file=i386/i386.c
1919                 xm_file="xm-winnt.h ${xm_file}"
1920                 xmake_file=winnt/x-winnt
1921                 tmake_file=i386/t-winnt
1922                 extra_host_objs="winnt.o oldnames.o"
1923                 extra_gcc_objs="spawnv.o oldnames.o"
1924                 if test x$gnu_ld != xyes
1925                 then
1926                         extra_programs=ld.exe
1927                 fi
1928                 if test x$enable_threads = xyes; then
1929                         thread_file='win32'
1930                 fi
1931                 ;;
1932 changequote(,)dnl
1933         i[34567]86-dg-dgux*)
1934 changequote([,])dnl
1935                 xm_file="xm-alloca.h ${xm_file}"
1936                 xm_defines="USG POSIX"
1937                 out_file=i386/dgux.c
1938                 tm_file=i386/dgux.h
1939                 tmake_file=i386/t-dgux
1940                 xmake_file=i386/x-dgux
1941                 install_headers_dir=install-headers-cpio
1942               ;;
1943         i860-alliant-*)         # Alliant FX/2800
1944                 tm_file="${tm_file} svr4.h i860/sysv4.h i860/fx2800.h"
1945                 xm_file="${xm_file}"
1946                 xmake_file=i860/x-fx2800
1947                 tmake_file=i860/t-fx2800
1948                 extra_parts="crtbegin.o crtend.o"
1949                 ;;
1950         i860-*-bsd*)
1951                 tm_file="${tm_file} i860/bsd.h"
1952                 if test x$gas = xyes
1953                 then
1954                         tm_file="${tm_file} i860/bsd-gas.h"
1955                 fi
1956                 use_collect2=yes
1957                 ;;
1958         i860-*-mach*)
1959                 tm_file="${tm_file} i860/mach.h"
1960                 tmake_file=t-libc-ok
1961                 ;;
1962         i860-*-osf*)                    # Intel Paragon XP/S, OSF/1AD
1963                 tm_file="${tm_file} svr3.h i860/paragon.h"
1964                 xm_defines="USG SVR3"
1965                 tmake_file=t-osf
1966                 ;;
1967         i860-*-sysv3*)
1968                 tm_file="${tm_file} svr3.h i860/sysv3.h"
1969                 xm_defines="USG SVR3"
1970                 xmake_file=i860/x-sysv3
1971                 extra_parts="crtbegin.o crtend.o"
1972                 ;;
1973         i860-*-sysv4*)
1974                 tm_file="${tm_file} svr4.h i860/sysv4.h"
1975                 xm_defines="USG SVR3"
1976                 xmake_file=i860/x-sysv4
1977                 tmake_file=t-svr4
1978                 extra_parts="crtbegin.o crtend.o"
1979                 ;;
1980         i960-wrs-vxworks5 | i960-wrs-vxworks5.0*)
1981                 tm_file="${tm_file} i960/vx960.h"
1982                 tmake_file=i960/t-vxworks960
1983                 use_collect2=yes
1984                 thread_file='vxworks'
1985                 ;;
1986         i960-wrs-vxworks5* | i960-wrs-vxworks)
1987                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h i960/vx960-coff.h"
1988                 tmake_file=i960/t-vxworks960
1989                 use_collect2=yes
1990                 thread_file='vxworks'
1991                 ;;
1992         i960-wrs-vxworks*)
1993                 tm_file="${tm_file} i960/vx960.h"
1994                 tmake_file=i960/t-vxworks960
1995                 use_collect2=yes
1996                 thread_file='vxworks'
1997                 ;;
1998         i960-*-coff*)
1999                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h libgloss.h"
2000                 tmake_file=i960/t-960bare
2001                 use_collect2=yes
2002                 ;;
2003         i960-*-rtems)
2004                 tmake_file="i960/t-960bare t-rtems"
2005                 tm_file="${tm_file} dbxcoff.h i960/rtems.h"
2006                 use_collect2=yes
2007                 ;;
2008         i960-*-*)                       # Default i960 environment.
2009                 use_collect2=yes
2010                 ;;
2011         ia64*-*-elf*)
2012                 tm_file=ia64/elf.h
2013                 tmake_file="ia64/t-ia64"
2014                 target_cpu_default="0"
2015                 if test x$gas = xyes
2016                 then
2017                         target_cpu_default="${target_cpu_default}|MASK_GNU_AS"
2018                 fi
2019                 if test x$gnu_ld = xyes
2020                 then
2021                         target_cpu_default="${target_cpu_default}|MASK_GNU_LD"
2022                 fi
2023                 float_format=i386
2024                 ;;
2025         ia64*-*-linux*)
2026                 tm_file=ia64/linux.h
2027                 tmake_file="t-linux ia64/t-ia64"
2028                 target_cpu_default="MASK_GNU_AS|MASK_GNU_LD"
2029                 if test x$enable_threads = xyes; then
2030                         thread_file='posix'
2031                 fi
2032                 float_format=i386
2033                 ;;
2034         m32r-*-elf*)
2035                 extra_parts="crtinit.o crtfini.o"
2036                 ;;
2037         m68000-convergent-sysv*)
2038                 tm_file=m68k/ctix.h
2039                 xm_file="m68k/xm-3b1.h ${xm_file}"
2040                 xm_defines=USG
2041                 use_collect2=yes
2042                 extra_headers=math-68881.h
2043                 ;;
2044         m68000-hp-bsd*)                 # HP 9000/200 running BSD
2045                 tm_file=m68k/hp2bsd.h
2046                 xmake_file=m68k/x-hp2bsd
2047                 use_collect2=yes
2048                 extra_headers=math-68881.h
2049                 ;;
2050         m68000-hp-hpux*)                # HP 9000 series 300
2051                 xm_file="xm-alloca.h ${xm_file}"
2052                 xm_defines="USG"
2053                 if test x$gas = xyes
2054                 then
2055                         xmake_file=m68k/x-hp320g
2056                         tm_file=m68k/hp310g.h
2057                 else
2058                         xmake_file=m68k/x-hp320
2059                         tm_file=m68k/hp310.h
2060                 fi
2061                 install_headers_dir=install-headers-cpio
2062                 use_collect2=yes
2063                 extra_headers=math-68881.h
2064                 ;;
2065         m68000-sun-sunos3*)
2066                 tm_file=m68k/sun2.h
2067                 use_collect2=yes
2068                 extra_headers=math-68881.h
2069                 ;;
2070         m68000-sun-sunos4*)
2071                 tm_file=m68k/sun2o4.h
2072                 use_collect2=yes
2073                 extra_headers=math-68881.h
2074                 ;;
2075         m68000-att-sysv*)
2076                 xm_file="m68k/xm-3b1.h ${xm_file}"
2077                 xm_defines=USG
2078                 if test x$gas = xyes
2079                 then
2080                         tm_file=m68k/3b1g.h
2081                 else
2082                         tm_file=m68k/3b1.h
2083                 fi
2084                 use_collect2=yes
2085                 extra_headers=math-68881.h
2086                 ;;
2087         m68k-apple-aux*)                # Apple Macintosh running A/UX
2088                 xm_defines="USG AUX"
2089                 tmake_file=m68k/t-aux
2090                 install_headers_dir=install-headers-cpio
2091                 extra_headers=math-68881.h
2092                 extra_parts="crt1.o mcrt1.o maccrt1.o crt2.o crtn.o"
2093                 tm_file=
2094                 if test "$gnu_ld" = yes
2095                 then
2096                         tm_file="${tm_file} m68k/auxgld.h"
2097                 else
2098                         tm_file="${tm_file} m68k/auxld.h"
2099                 fi
2100                 if test "$gas" = yes
2101                 then
2102                         tm_file="${tm_file} m68k/auxgas.h"
2103                 else
2104                         tm_file="${tm_file} m68k/auxas.h"
2105                 fi
2106                 tm_file="${tm_file} m68k/a-ux.h"
2107                 float_format=m68k
2108                 ;;
2109         m68k-apollo-*)
2110                 tm_file=m68k/apollo68.h
2111                 xmake_file=m68k/x-apollo68
2112                 use_collect2=yes
2113                 extra_headers=math-68881.h
2114                 float_format=m68k
2115                 ;;
2116         m68k-altos-sysv*)                  # Altos 3068
2117                 if test x$gas = xyes
2118                 then
2119                         tm_file=m68k/altos3068.h
2120                         xm_defines=USG
2121                 else
2122                         echo "The Altos is supported only with the GNU assembler" 1>&2
2123                         exit 1
2124                 fi
2125                 extra_headers=math-68881.h
2126                 ;;
2127         m68k-bull-sysv*)                # Bull DPX/2
2128                 if test x$gas = xyes
2129                 then
2130                         if test x$stabs = xyes
2131                         then
2132                                 tm_file=m68k/dpx2cdbx.h
2133                         else
2134                                 tm_file=m68k/dpx2g.h
2135                         fi
2136                 else
2137                         tm_file=m68k/dpx2.h
2138                 fi
2139                 xm_file="xm-alloca.h ${xm_file}"
2140                 xm_defines=USG
2141                 xmake_file=m68k/x-dpx2
2142                 use_collect2=yes
2143                 extra_headers=math-68881.h
2144                 ;;
2145         m68k-atari-sysv4*)              # Atari variant of V.4.
2146                 tm_file=m68k/atari.h
2147                 xm_file="xm-alloca.h ${xm_file}"
2148                 xm_defines="USG FULL_PROTOTYPES"
2149                 tmake_file=t-svr4
2150                 extra_parts="crtbegin.o crtend.o"
2151                 extra_headers=math-68881.h
2152                 float_format=m68k
2153                 ;;
2154         m68k-motorola-sysv*)
2155                 tm_file=m68k/mot3300.h
2156                 xm_file="xm-alloca.h m68k/xm-mot3300.h ${xm_file}"
2157                 if test x$gas = xyes
2158                 then
2159                         xmake_file=m68k/x-mot3300-gas
2160                         if test x$gnu_ld = xyes
2161                         then
2162                                 tmake_file=m68k/t-mot3300-gald
2163                         else
2164                                 tmake_file=m68k/t-mot3300-gas
2165                                 use_collect2=yes
2166                         fi
2167                 else
2168                         xmake_file=m68k/x-mot3300
2169                         if test x$gnu_ld = xyes
2170                         then
2171                                 tmake_file=m68k/t-mot3300-gld
2172                         else
2173                                 tmake_file=m68k/t-mot3300
2174                                 use_collect2=yes
2175                         fi
2176                 fi
2177                 gdb_needs_out_file_path=yes
2178                 extra_parts="crt0.o mcrt0.o"
2179                 extra_headers=math-68881.h
2180                 float_format=m68k
2181                 ;;
2182         m68k-ncr-sysv*)                 # NCR Tower 32 SVR3
2183                 tm_file=m68k/tower-as.h
2184                 xm_defines="USG SVR3"
2185                 xmake_file=m68k/x-tower
2186                 extra_parts="crtbegin.o crtend.o"
2187                 extra_headers=math-68881.h
2188                 ;;
2189         m68k-plexus-sysv*)
2190                 tm_file=m68k/plexus.h
2191                 xm_file="xm-alloca.h m68k/xm-plexus.h ${xm_file}"
2192                 xm_defines=USG
2193                 use_collect2=yes
2194                 extra_headers=math-68881.h
2195                 ;;
2196         m68k-tti-*)
2197                 tm_file=m68k/pbb.h
2198                 xm_file="xm-alloca.h ${xm_file}"
2199                 xm_defines=USG
2200                 extra_headers=math-68881.h
2201                 ;;
2202         m68k-crds-unos*)
2203                 xm_file="xm-alloca.h m68k/xm-crds.h ${xm_file}"
2204                 xm_defines="USG unos"
2205                 xmake_file=m68k/x-crds
2206                 tm_file=m68k/crds.h
2207                 use_collect2=yes
2208                 extra_headers=math-68881.h
2209                 ;;
2210         m68k-cbm-sysv4*)                # Commodore variant of V.4.
2211                 tm_file=m68k/amix.h
2212                 xm_file="xm-alloca.h ${xm_file}"
2213                 xm_defines="USG FULL_PROTOTYPES"
2214                 xmake_file=m68k/x-amix
2215                 tmake_file=t-svr4
2216                 extra_parts="crtbegin.o crtend.o"
2217                 extra_headers=math-68881.h
2218                 float_format=m68k
2219                 ;;
2220         m68k-ccur-rtu)
2221                 tm_file=m68k/ccur-GAS.h
2222                 xmake_file=m68k/x-ccur
2223                 extra_headers=math-68881.h
2224                 use_collect2=yes
2225                 float_format=m68k
2226                 ;;
2227         m68k-hp-bsd4.4*)                # HP 9000/3xx running 4.4bsd
2228                 tm_file=m68k/hp3bsd44.h
2229                 xmake_file=m68k/x-hp3bsd44
2230                 use_collect2=yes
2231                 extra_headers=math-68881.h
2232                 float_format=m68k
2233                 ;;
2234         m68k-hp-bsd*)                   # HP 9000/3xx running Berkeley Unix
2235                 tm_file=m68k/hp3bsd.h
2236                 use_collect2=yes
2237                 extra_headers=math-68881.h
2238                 float_format=m68k
2239                 ;;
2240         m68k-isi-bsd*)
2241                 if test x$with_fp = xno
2242                 then
2243                         tm_file=m68k/isi-nfp.h
2244                 else
2245                         tm_file=m68k/isi.h
2246                         float_format=m68k
2247                 fi
2248                 use_collect2=yes
2249                 extra_headers=math-68881.h
2250                 ;;
2251         m68k-hp-hpux7*) # HP 9000 series 300 running HPUX version 7.
2252                 xm_file="xm-alloca.h ${xm_file}"
2253                 xm_defines="USG"
2254                 if test x$gas = xyes
2255                 then
2256                         xmake_file=m68k/x-hp320g
2257                         tm_file=m68k/hp320g.h
2258                 else
2259                         xmake_file=m68k/x-hp320
2260                         tm_file=m68k/hpux7.h
2261                 fi
2262                 install_headers_dir=install-headers-cpio
2263                 use_collect2=yes
2264                 extra_headers=math-68881.h
2265                 float_format=m68k
2266                 ;;
2267         m68k-hp-hpux*)  # HP 9000 series 300
2268                 xm_file="xm-alloca.h ${xm_file}"
2269                 xm_defines="USG"
2270                 if test x$gas = xyes
2271                 then
2272                         xmake_file=m68k/x-hp320g
2273                         tm_file=m68k/hp320g.h
2274                 else
2275                         xmake_file=m68k/x-hp320
2276                         tm_file=m68k/hp320.h
2277                 fi
2278                 install_headers_dir=install-headers-cpio
2279                 use_collect2=yes
2280                 extra_headers=math-68881.h
2281                 float_format=m68k
2282                 ;;
2283         m68k-sun-mach*)
2284                 tm_file=m68k/sun3mach.h
2285                 use_collect2=yes
2286                 extra_headers=math-68881.h
2287                 float_format=m68k
2288                 ;;
2289         m68k-sony-newsos3*)
2290                 if test x$gas = xyes
2291                 then
2292                         tm_file=m68k/news3gas.h
2293                 else
2294                         tm_file=m68k/news3.h
2295                 fi
2296                 use_collect2=yes
2297                 extra_headers=math-68881.h
2298                 float_format=m68k
2299                 ;;
2300         m68k-sony-bsd* | m68k-sony-newsos*)
2301                 if test x$gas = xyes
2302                 then
2303                         tm_file=m68k/newsgas.h
2304                 else
2305                         tm_file=m68k/news.h
2306                 fi
2307                 use_collect2=yes
2308                 extra_headers=math-68881.h
2309                 float_format=m68k
2310                 ;;
2311         m68k-next-nextstep2*)
2312                 tm_file=m68k/next21.h
2313                 xm_file="m68k/xm-next.h ${xm_file}"
2314                 tmake_file=m68k/t-next
2315                 xmake_file=m68k/x-next
2316                 extra_objs=nextstep.o
2317                 extra_headers=math-68881.h
2318                 use_collect2=yes
2319                 float_format=m68k
2320                 ;;
2321 changequote(,)dnl
2322         m68k-next-nextstep[34]*)
2323 changequote([,])dnl
2324                 tm_file=m68k/next.h
2325                 xm_file="m68k/xm-next.h ${xm_file}"
2326                 tmake_file=m68k/t-next
2327                 xmake_file=m68k/x-next
2328                 extra_objs=nextstep.o
2329                 extra_parts="crtbegin.o crtend.o"
2330                 extra_headers=math-68881.h
2331                 float_format=m68k
2332                 if test x$enable_threads = xyes; then
2333                         thread_file='mach'
2334                 fi
2335                 ;;
2336         m68k-sun-sunos3*)
2337                 if test x$with_fp = xno
2338                 then
2339                         tm_file=m68k/sun3n3.h
2340                 else
2341                         tm_file=m68k/sun3o3.h
2342                         float_format=m68k
2343                 fi
2344                 use_collect2=yes
2345                 extra_headers=math-68881.h
2346                 ;;
2347         m68k-sun-sunos*)                        # For SunOS 4 (the default).
2348                 if test x$with_fp = xno
2349                 then
2350                         tm_file=m68k/sun3n.h
2351                 else
2352                         tm_file=m68k/sun3.h
2353                         float_format=m68k
2354                 fi
2355                 use_collect2=yes
2356                 extra_headers=math-68881.h
2357                 ;;
2358         m68k-wrs-vxworks*)
2359                 tm_file=m68k/vxm68k.h
2360                 tmake_file=m68k/t-vxworks68
2361                 extra_headers=math-68881.h
2362                 thread_file='vxworks'
2363                 float_format=m68k
2364                 ;;
2365         m68k-*-aout*)
2366                 tmake_file=m68k/t-m68kbare
2367                 tm_file="m68k/m68k-aout.h libgloss.h"
2368                 extra_headers=math-68881.h
2369                 float_format=m68k
2370                 ;;
2371         m68k-*-coff*)
2372                 tmake_file=m68k/t-m68kbare
2373                 tm_file="m68k/m68k-coff.h dbx.h libgloss.h"
2374                 extra_headers=math-68881.h
2375                 float_format=m68k
2376                 ;;
2377         m68020-*-elf* | m68k-*-elf*)
2378                 tm_file="m68k/m68020-elf.h"
2379                 xm_file=m68k/xm-m68kv.h
2380                 tmake_file=m68k/t-m68kelf
2381                 header_files=math-68881.h
2382                 ;;
2383         m68k-*-lynxos*)
2384                 if test x$gas = xyes
2385                 then
2386                         tm_file=m68k/lynx.h
2387                 else
2388                         tm_file=m68k/lynx-ng.h
2389                 fi
2390                 xm_file=m68k/xm-lynx.h
2391                 xmake_file=x-lynx
2392                 tmake_file=m68k/t-lynx
2393                 extra_headers=math-68881.h
2394                 float_format=m68k
2395                 ;;
2396         m68k*-*-netbsd*)
2397                 tm_file=m68k/netbsd.h
2398                 tmake_file=t-netbsd
2399                 float_format=m68k
2400                 use_collect2=yes
2401                 ;;
2402         m68k*-*-openbsd*)
2403                 float_format=m68k
2404                 # we need collect2 until our bug is fixed...
2405                 use_collect2=yes
2406                 ;;
2407         m68k-*-sysv3*)                  # Motorola m68k's running system V.3
2408                 xm_file="xm-alloca.h ${xm_file}"
2409                 xm_defines=USG
2410                 xmake_file=m68k/x-m68kv
2411                 extra_parts="crtbegin.o crtend.o"
2412                 extra_headers=math-68881.h
2413                 float_format=m68k
2414                 ;;
2415         m68k-*-sysv4*)                  # Motorola m68k's running system V.4
2416                 tm_file=m68k/m68kv4.h
2417                 xm_file="xm-alloca.h ${xm_file}"
2418                 xm_defines=USG
2419                 tmake_file=t-svr4
2420                 extra_parts="crtbegin.o crtend.o"
2421                 extra_headers=math-68881.h
2422                 float_format=m68k
2423                 ;;
2424         m68k-*-linux*aout*)             # Motorola m68k's running GNU/Linux
2425                                         # with a.out format
2426                 xmake_file=x-linux
2427                 tm_file=m68k/linux-aout.h
2428                 tmake_file="t-linux-aout m68k/t-linux-aout"
2429                 extra_headers=math-68881.h
2430                 float_format=m68k
2431                 gnu_ld=yes
2432                 ;;
2433         m68k-*-linux*libc1)             # Motorola m68k's running GNU/Linux
2434                                         # with ELF format using the
2435                                         # GNU/Linux C library 5
2436                 xmake_file=x-linux
2437                 tm_file=m68k/linux.h
2438                 tmake_file="t-linux t-linux-gnulibc1 m68k/t-linux"
2439                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2440                 extra_headers=math-68881.h
2441                 float_format=m68k
2442                 gnu_ld=yes
2443                 ;;
2444         m68k-*-linux*)          # Motorola m68k's running GNU/Linux
2445                                         # with ELF format using glibc 2
2446                                         # aka the GNU/Linux C library 6.
2447                 xmake_file=x-linux
2448                 tm_file=m68k/linux.h
2449                 tmake_file="t-linux m68k/t-linux"
2450                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2451                 extra_headers=math-68881.h
2452                 float_format=m68k
2453                 gnu_ld=yes
2454                 if test x$enable_threads = xyes; then
2455                         thread_file='posix'
2456                 fi
2457                 ;;
2458         m68k-*-psos*)
2459                 tmake_file=m68k/t-m68kbare
2460                 tm_file=m68k/m68k-psos.h
2461                 extra_headers=math-68881.h
2462                 float_format=m68k
2463                 ;;
2464         m68k-*-rtemscoff*)
2465                 tmake_file="m68k/t-m68kbare t-rtems"
2466                 tm_file=m68k/rtems.h
2467                 extra_headers=math-68881.h
2468                 float_format=m68k
2469                 ;;
2470         m68k-*-rtemself*|m68k-*-rtems*)
2471                 tmake_file="m68k/t-m68kbare t-rtems m68k/t-crtstuff"
2472                 tm_file=m68k/rtemself.h
2473                 extra_headers=math-68881.h
2474                 float_format=m68k
2475                 ;;
2476         m88k-dg-dgux*)
2477                 case $machine in
2478                   m88k-dg-dguxbcs*)
2479                     tm_file=m88k/dguxbcs.h
2480                     tmake_file=m88k/t-dguxbcs
2481                     ;;
2482                   *)
2483                     tm_file=m88k/dgux.h
2484                     tmake_file=m88k/t-dgux
2485                     ;;
2486                 esac
2487                 extra_parts="crtbegin.o bcscrtbegin.o crtend.o m88kdgux.ld"
2488                 xmake_file=m88k/x-dgux
2489                 if test x$gas = xyes
2490                 then
2491                         tmake_file=m88k/t-dgux-gas
2492                 fi
2493                 ;;
2494         m88k-dolphin-sysv3*)
2495                 tm_file=m88k/dolph.h
2496                 extra_parts="crtbegin.o crtend.o"
2497                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2498                 xmake_file=m88k/x-dolph
2499                 if test x$gas = xyes
2500                 then
2501                         tmake_file=m88k/t-m88k-gas
2502                 fi
2503                 ;;
2504         m88k-tektronix-sysv3)
2505                 tm_file=m88k/tekXD88.h
2506                 extra_parts="crtbegin.o crtend.o"
2507                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2508                 xmake_file=m88k/x-tekXD88
2509                 if test x$gas = xyes
2510                 then
2511                         tmake_file=m88k/t-m88k-gas
2512                 fi
2513                 ;;
2514         m88k-*-aout*)
2515                 tm_file=m88k/m88k-aout.h
2516                 ;;
2517         m88k-*-coff*)
2518                 tm_file=m88k/m88k-coff.h
2519                 tmake_file=m88k/t-bug
2520                 ;;
2521         m88k-*-luna*)
2522                 tm_file=m88k/luna.h
2523                 extra_parts="crtbegin.o crtend.o"
2524                 if test x$gas = xyes
2525                 then
2526                         tmake_file=m88k/t-luna-gas
2527                 else
2528                         tmake_file=m88k/t-luna
2529                 fi
2530                 ;;
2531         m88k-*-openbsd*)
2532                 tmake_file="${tmake_file} m88k/t-luna-gas"
2533                 tm_file="m88k/aout-dbx.h aoutos.h m88k/m88k.h openbsd.h ${tm_file}"
2534                 xm_file="xm-openbsd.h m88k/xm-m88k.h ${xm_file}"
2535                 ;;
2536         m88k-*-sysv3*)
2537                 tm_file=m88k/sysv3.h
2538                 extra_parts="crtbegin.o crtend.o"
2539                 xm_file="m88k/xm-sysv3.h ${xm_file}"
2540                 xmake_file=m88k/x-sysv3
2541                 if test x$gas = xyes
2542                 then
2543                         tmake_file=m88k/t-m88k-gas
2544                 fi
2545                 ;;
2546         m88k-*-sysv4*)
2547                 tm_file=m88k/sysv4.h
2548                 extra_parts="crtbegin.o crtend.o"
2549                 xmake_file=m88k/x-sysv4
2550                 tmake_file=m88k/t-sysv4
2551                 ;;
2552         mcore-*-elf)
2553                 tm_file=mcore/mcore-elf.h
2554                 tmake_file=mcore/t-mcore
2555                 ;;
2556         mcore-*-pe*)
2557                 tm_file=mcore/mcore-pe.h
2558                 tmake_file=mcore/t-mcore-pe
2559                 ;;
2560         mips-sgi-irix6*)                # SGI System V.4., IRIX 6
2561                 if test "x$gnu_ld" = xyes
2562                 then
2563                         tm_file="mips/iris6.h mips/iris6gld.h"
2564                 else
2565                         tm_file=mips/iris6.h
2566                 fi
2567                 tmake_file=mips/t-iris6
2568                 xm_file=mips/xm-iris6.h
2569                 xmake_file=mips/x-iris6
2570 #               if test x$enable_threads = xyes; then
2571 #                       thread_file='irix'
2572 #               fi
2573                 ;;
2574         mips-wrs-vxworks)
2575                 tm_file="mips/elf.h mips/vxworks.h"
2576                 tmake_file=mips/t-ecoff
2577                 gas=yes
2578                 gnu_ld=yes
2579                 extra_parts="crtbegin.o crtend.o"
2580                 thread_file='vxworks'
2581                 ;;
2582         mips-sgi-irix5cross64)          # Irix5 host, Irix 6 target, cross64
2583                 tm_file="mips/iris6.h mips/cross64.h"
2584                 xm_defines=USG
2585                 xm_file="mips/xm-iris5.h"
2586                 xmake_file=mips/x-iris
2587                 tmake_file=mips/t-cross64
2588                 # See comment in mips/iris[56].h files.
2589                 use_collect2=yes
2590 #               if test x$enable_threads = xyes; then
2591 #                       thread_file='irix'
2592 #               fi
2593                 ;;
2594         mips-sni-sysv4)
2595                 if test x$gas = xyes
2596                 then
2597                         if test x$stabs = xyes
2598                         then
2599                                 tm_file=mips/iris5gdb.h
2600                         else
2601                                 tm_file="mips/sni-svr4.h mips/sni-gas.h"
2602                         fi
2603                 else
2604                         tm_file=mips/sni-svr4.h
2605                 fi
2606                 xm_defines=USG
2607                 xmake_file=mips/x-sni-svr4
2608                 tmake_file=mips/t-mips-gas
2609                 if test x$gnu_ld != xyes
2610                 then
2611                         use_collect2=yes
2612                 fi
2613                 ;;
2614         mips-sgi-irix5*)                # SGI System V.4., IRIX 5
2615                 if test x$gas = xyes
2616                 then
2617                         tm_file="mips/iris5.h mips/iris5gas.h"
2618                         if test x$stabs = xyes
2619                         then
2620                                 tm_file="${tm_file} dbx.h"
2621                         fi
2622                 else
2623                         tm_file=mips/iris5.h
2624                 fi
2625                 xm_defines=USG
2626                 xm_file="mips/xm-iris5.h"
2627                 xmake_file=mips/x-iris
2628                 # mips-tfile doesn't work yet
2629                 tmake_file=mips/t-mips-gas
2630                 # See comment in mips/iris5.h file.
2631                 use_collect2=yes
2632 #               if test x$enable_threads = xyes; then
2633 #                       thread_file='irix'
2634 #               fi
2635                 ;;
2636         mips-sgi-irix4loser*)           # Mostly like a MIPS.
2637                 tm_file="mips/iris4loser.h mips/iris3.h ${tm_file} mips/iris4.h"
2638                 if test x$stabs = xyes; then
2639                         tm_file="${tm_file} dbx.h"
2640                 fi
2641                 xm_defines=USG
2642                 xmake_file=mips/x-iris
2643                 if test x$gas = xyes
2644                 then
2645                         tmake_file=mips/t-mips-gas
2646                 else
2647                         extra_passes="mips-tfile mips-tdump"
2648                 fi
2649                 if test x$gnu_ld != xyes
2650                 then
2651                         use_collect2=yes
2652                 fi
2653 #               if test x$enable_threads = xyes; then
2654 #                       thread_file='irix'
2655 #               fi
2656                 ;;
2657         mips-sgi-irix4*)                # Mostly like a MIPS.
2658                 tm_file="mips/iris3.h ${tm_file} mips/iris4.h"
2659                 if test x$stabs = xyes; then
2660                         tm_file="${tm_file} dbx.h"
2661                 fi
2662                 xm_defines=USG
2663                 xmake_file=mips/x-iris
2664                 if test x$gas = xyes
2665                 then
2666                         tmake_file=mips/t-mips-gas
2667                 else
2668                         extra_passes="mips-tfile mips-tdump"
2669                 fi
2670                 if test x$gnu_ld != xyes
2671                 then
2672                         use_collect2=yes
2673                 fi
2674 #               if test x$enable_threads = xyes; then
2675 #                       thread_file='irix'
2676 #               fi
2677                 ;;
2678         mips-sgi-*)                     # Mostly like a MIPS.
2679                 tm_file="mips/iris3.h ${tm_file}"
2680                 if test x$stabs = xyes; then
2681                         tm_file="${tm_file} dbx.h"
2682                 fi
2683                 xm_defines=USG
2684                 xmake_file=mips/x-iris3
2685                 if test x$gas = xyes
2686                 then
2687                         tmake_file=mips/t-mips-gas
2688                 else
2689                         extra_passes="mips-tfile mips-tdump"
2690                 fi
2691                 if test x$gnu_ld != xyes
2692                 then
2693                         use_collect2=yes
2694                 fi
2695                 ;;
2696         mips-dec-osfrose*)              # Decstation running OSF/1 reference port with OSF/rose.
2697                 tm_file="mips/osfrose.h ${tm_file}"
2698                 xmake_file=mips/x-osfrose
2699                 tmake_file=mips/t-osfrose
2700                 extra_objs=halfpic.o
2701                 use_collect2=yes
2702                 ;;
2703         mips-dec-osf*)                  # Decstation running OSF/1 as shipped by DIGITAL
2704                 tm_file=mips/dec-osf1.h
2705                 if test x$stabs = xyes; then
2706                         tm_file="${tm_file} dbx.h"
2707                 fi
2708                 xmake_file=mips/x-dec-osf1
2709                 if test x$gas = xyes
2710                 then
2711                         tmake_file=mips/t-mips-gas
2712                 else
2713                         tmake_file=mips/t-ultrix
2714                         extra_passes="mips-tfile mips-tdump"
2715                 fi
2716                 if test x$gnu_ld != xyes
2717                 then
2718                         use_collect2=yes
2719                 fi
2720                 ;;
2721         mips-dec-bsd*)                  # Decstation running 4.4 BSD
2722               tm_file=mips/dec-bsd.h
2723               if test x$gas = xyes
2724               then
2725                         tmake_file=mips/t-mips-gas
2726               else
2727                         tmake_file=mips/t-ultrix
2728                         extra_passes="mips-tfile mips-tdump"
2729               fi
2730               if test x$gnu_ld != xyes
2731               then
2732                         use_collect2=yes
2733               fi
2734               ;;
2735         mipsel-*-netbsd* | mips-dec-netbsd*)    # Decstation running NetBSD
2736                 tm_file=mips/netbsd.h
2737                 # On NetBSD, the headers are already okay, except for math.h.
2738                 tmake_file=t-netbsd
2739                 ;;
2740         mips*-*-linux*)                         # Linux MIPS, either endian.
2741                 xmake_file=x-linux
2742                 case $machine in
2743                        mips*el-*)  tm_file="mips/elfl.h mips/linux.h" ;;
2744                        *)         tm_file="mips/elf.h mips/linux.h" ;;
2745                 esac
2746                 tmake_file=t-linux
2747                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2748                 gnu_ld=yes
2749                 gas=yes
2750                 if test x$enable_threads = xyes; then
2751                         thread_file='posix'
2752                 fi
2753                 ;;
2754         mips*el-*-openbsd*)     # mips little endian
2755                 target_cpu_default="MASK_GAS|MASK_ABICALLS"
2756                 ;;
2757         mips*-*-openbsd*)               # mips big endian
2758                 target_cpu_default="MASK_GAS|MASK_ABICALLS"
2759                 tm_file="mips/openbsd-be.h ${tm_file}"
2760                 ;;
2761         mips-sony-bsd* | mips-sony-newsos*)     # Sony NEWS 3600 or risc/news.
2762                 tm_file="mips/news4.h ${tm_file}"
2763                 if test x$stabs = xyes; then
2764                         tm_file="${tm_file} dbx.h"
2765                 fi
2766                 if test x$gas = xyes
2767                 then
2768                         tmake_file=mips/t-mips-gas
2769                 else
2770                         extra_passes="mips-tfile mips-tdump"
2771                 fi
2772                 if test x$gnu_ld != xyes
2773                 then
2774                         use_collect2=yes
2775                 fi
2776                 xmake_file=mips/x-sony
2777                 ;;
2778         mips-sony-sysv*)                # Sony NEWS 3800 with NEWSOS5.0.
2779                                         # That is based on svr4.
2780                 # t-svr4 is not right because this system doesn't use ELF.
2781                 tm_file="mips/news5.h ${tm_file}"
2782                 if test x$stabs = xyes; then
2783                         tm_file="${tm_file} dbx.h"
2784                 fi
2785                 xm_defines=USG
2786                 if test x$gas = xyes
2787                 then
2788                         tmake_file=mips/t-mips-gas
2789                 else
2790                         extra_passes="mips-tfile mips-tdump"
2791                 fi
2792                 if test x$gnu_ld != xyes
2793                 then
2794                         use_collect2=yes
2795                 fi
2796                 ;;
2797         mips-tandem-sysv4*)             # Tandem S2 running NonStop UX
2798                 tm_file="mips/svr4-5.h mips/svr4-t.h"
2799                 if test x$stabs = xyes; then
2800                         tm_file="${tm_file} dbx.h"
2801                 fi
2802                 xm_defines=USG
2803                 xmake_file=mips/x-sysv
2804                 if test x$gas = xyes
2805                 then
2806                         tmake_file=mips/t-mips-gas
2807                         extra_parts="crtbegin.o crtend.o"
2808                 else
2809                         tmake_file=mips/t-mips
2810                         extra_passes="mips-tfile mips-tdump"
2811                 fi
2812                 if test x$gnu_ld != xyes
2813                 then
2814                         use_collect2=yes
2815                 fi
2816                 ;;
2817         mips-*-ultrix* | mips-dec-mach3)        # Decstation.
2818                 tm_file="mips/ultrix.h ${tm_file}"
2819                 if test x$stabs = xyes; then
2820                         tm_file="${tm_file} dbx.h"
2821                 fi
2822                 xmake_file=mips/x-ultrix
2823                 if test x$gas = xyes
2824                 then
2825                         tmake_file=mips/t-mips-gas
2826                 else
2827                         tmake_file=mips/t-ultrix
2828                         extra_passes="mips-tfile mips-tdump"
2829                 fi
2830                 if test x$gnu_ld != xyes
2831                 then
2832                         use_collect2=yes
2833                 fi
2834                 ;;
2835 changequote(,)dnl
2836         mips-*-riscos[56789]bsd*)
2837 changequote([,])dnl
2838                 tm_file=mips/bsd-5.h    # MIPS BSD 4.3, RISC-OS 5.0
2839                 if test x$stabs = xyes; then
2840                         tm_file="${tm_file} dbx.h"
2841                 fi
2842                 if test x$gas = xyes
2843                 then
2844                         tmake_file=mips/t-bsd-gas
2845                 else
2846                         tmake_file=mips/t-bsd
2847                         extra_passes="mips-tfile mips-tdump"
2848                 fi
2849                 if test x$gnu_ld != xyes
2850                 then
2851                         use_collect2=yes
2852                 fi
2853                 ;;
2854 changequote(,)dnl
2855         mips-*-bsd* | mips-*-riscosbsd* | mips-*-riscos[1234]bsd*)
2856 changequote([,])dnl
2857                 tm_file="mips/bsd-4.h ${tm_file}" # MIPS BSD 4.3, RISC-OS 4.0
2858                 if test x$stabs = xyes; then
2859                         tm_file="${tm_file} dbx.h"
2860                 fi
2861                 if test x$gas = xyes
2862                 then
2863                         tmake_file=mips/t-bsd-gas
2864                 else
2865                         tmake_file=mips/t-bsd
2866                         extra_passes="mips-tfile mips-tdump"
2867                 fi
2868                 if test x$gnu_ld != xyes
2869                 then
2870                         use_collect2=yes
2871                 fi
2872                 ;;
2873 changequote(,)dnl
2874         mips-*-riscos[56789]sysv4*)
2875 changequote([,])dnl
2876                 tm_file=mips/svr4-5.h   # MIPS System V.4., RISC-OS 5.0
2877                 if test x$stabs = xyes; then
2878                         tm_file="${tm_file} dbx.h"
2879                 fi
2880                 xmake_file=mips/x-sysv
2881                 if test x$gas = xyes
2882                 then
2883                         tmake_file=mips/t-svr4-gas
2884                 else
2885                         tmake_file=mips/t-svr4
2886                         extra_passes="mips-tfile mips-tdump"
2887                 fi
2888                 if test x$gnu_ld != xyes
2889                 then
2890                         use_collect2=yes
2891                 fi
2892                 ;;
2893 changequote(,)dnl
2894         mips-*-sysv4* | mips-*-riscos[1234]sysv4* | mips-*-riscossysv4*)
2895 changequote([,])dnl
2896                 tm_file="mips/svr4-4.h ${tm_file}"
2897                 if test x$stabs = xyes; then
2898                         tm_file="${tm_file} dbx.h"
2899                 fi
2900                 xm_defines=USG
2901                 xmake_file=mips/x-sysv
2902                 if test x$gas = xyes
2903                 then
2904                         tmake_file=mips/t-svr4-gas
2905                 else
2906                         tmake_file=mips/t-svr4
2907                         extra_passes="mips-tfile mips-tdump"
2908                 fi
2909                 if test x$gnu_ld != xyes
2910                 then
2911                         use_collect2=yes
2912                 fi
2913                 ;;
2914 changequote(,)dnl
2915         mips-*-riscos[56789]sysv*)
2916 changequote([,])dnl
2917                 tm_file=mips/svr3-5.h   # MIPS System V.3, RISC-OS 5.0
2918                 if test x$stabs = xyes; then
2919                         tm_file="${tm_file} dbx.h"
2920                 fi
2921                 xm_defines=USG
2922                 xmake_file=mips/x-sysv
2923                 if test x$gas = xyes
2924                 then
2925                         tmake_file=mips/t-svr3-gas
2926                 else
2927                         tmake_file=mips/t-svr3
2928                         extra_passes="mips-tfile mips-tdump"
2929                 fi
2930                 if test x$gnu_ld != xyes
2931                 then
2932                         use_collect2=yes
2933                 fi
2934                 ;;
2935         mips-*-sysv* | mips-*-riscos*sysv*)
2936                 tm_file="mips/svr3-4.h ${tm_file}"
2937                 if test x$stabs = xyes; then
2938                         tm_file="${tm_file} dbx.h"
2939                 fi
2940                 xm_defines=USG
2941                 xmake_file=mips/x-sysv
2942                 if test x$gas = xyes
2943                 then
2944                         tmake_file=mips/t-svr3-gas
2945                 else
2946                         tmake_file=mips/t-svr3
2947                         extra_passes="mips-tfile mips-tdump"
2948                 fi
2949                 if test x$gnu_ld != xyes
2950                 then
2951                         use_collect2=yes
2952                 fi
2953                 ;;
2954 changequote(,)dnl
2955         mips-*-riscos[56789]*)          # Default MIPS RISC-OS 5.0.
2956 changequote([,])dnl
2957                 tm_file=mips/mips-5.h
2958                 if test x$stabs = xyes; then
2959                         tm_file="${tm_file} dbx.h"
2960                 fi
2961                 if test x$gas = xyes
2962                 then
2963                         tmake_file=mips/t-mips-gas
2964                 else
2965                         extra_passes="mips-tfile mips-tdump"
2966                 fi
2967                 if test x$gnu_ld != xyes
2968                 then
2969                         use_collect2=yes
2970                 fi
2971                 ;;
2972         mips-*-gnu*)
2973                 ;;
2974         mipsel-*-ecoff*)
2975                 tm_file=mips/ecoffl.h
2976                 if test x$stabs = xyes; then
2977                         tm_file="${tm_file} dbx.h"
2978                 fi
2979                 tmake_file=mips/t-ecoff
2980                 ;;
2981         mips-*-ecoff*)
2982                 tm_file="gofast.h mips/ecoff.h"
2983                 if test x$stabs = xyes; then
2984                         tm_file="${tm_file} dbx.h"
2985                 fi
2986                 tmake_file=mips/t-ecoff
2987                 ;;
2988         mipsel-*-elf*)
2989                 tm_file="mips/elfl.h"
2990                 tmake_file=mips/t-elf
2991                 ;;
2992         mips-*-elf*)
2993                 tm_file="mips/elf.h"
2994                 tmake_file=mips/t-elf
2995                 ;;
2996         mips64el-*-elf*)
2997                 tm_file="mips/elfl64.h"
2998                 tmake_file=mips/t-elf
2999                 ;;
3000         mips64orionel-*-elf*)
3001                 tm_file="mips/elforion.h mips/elfl64.h"
3002                 tmake_file=mips/t-elf
3003                 ;;
3004         mips64-*-elf*)
3005                 tm_file="mips/elf64.h"
3006                 tmake_file=mips/t-elf
3007                 ;;
3008         mips64orion-*-elf*)
3009                 tm_file="mips/elforion.h mips/elf64.h"
3010                 tmake_file=mips/t-elf
3011                 ;;
3012         mips64orion-*-rtems*)
3013                 tm_file="mips/elforion.h mips/elf64.h mips/rtems64.h"
3014                 tmake_file="mips/t-elf t-rtems"
3015                 ;;
3016         mipstx39el-*-elf*)
3017                 tm_file="mips/r3900.h mips/elfl.h mips/abi64.h"
3018                 tmake_file=mips/t-r3900
3019                 ;;
3020         mipstx39-*-elf*)
3021                 tm_file="mips/r3900.h mips/elf.h mips/abi64.h"
3022                 tmake_file=mips/t-r3900
3023                 ;;
3024         mips-*-*)                               # Default MIPS RISC-OS 4.0.
3025                 if test x$stabs = xyes; then
3026                         tm_file="${tm_file} dbx.h"
3027                 fi
3028                 if test x$gas = xyes
3029                 then
3030                         tmake_file=mips/t-mips-gas
3031                 else
3032                         extra_passes="mips-tfile mips-tdump"
3033                 fi
3034                 if test x$gnu_ld != xyes
3035                 then
3036                         use_collect2=yes
3037                 fi
3038                 ;;
3039         mn10200-*-*)
3040                 float_format=i32
3041                 cpu_type=mn10200
3042                 tm_file="mn10200/mn10200.h"
3043                 if test x$stabs = xyes
3044                 then
3045                         tm_file="${tm_file} dbx.h"
3046                 fi
3047                 use_collect2=no
3048                 ;;
3049         mn10300-*-*)
3050                 cpu_type=mn10300
3051                 tm_file="mn10300/mn10300.h"
3052                 if test x$stabs = xyes
3053                 then
3054                         tm_file="${tm_file} dbx.h"
3055                 fi
3056                 use_collect2=no
3057                 ;;
3058         ns32k-encore-bsd*)
3059                 tm_file=ns32k/encore.h
3060                 use_collect2=yes
3061                 ;;
3062         ns32k-sequent-bsd*)
3063                 tm_file=ns32k/sequent.h
3064                 use_collect2=yes
3065                 ;;
3066         ns32k-tek6100-bsd*)
3067                 tm_file=ns32k/tek6100.h
3068                 use_collect2=yes
3069                 ;;
3070         ns32k-tek6200-bsd*)
3071                 tm_file=ns32k/tek6200.h
3072                 use_collect2=yes
3073                 ;;
3074 # This has not been updated to GCC 2.
3075 #       ns32k-ns-genix*)
3076 #               xm_defines=USG
3077 #               xmake_file=ns32k/x-genix
3078 #               tm_file=ns32k/genix.h
3079 #               use_collect2=yes
3080 #               ;;
3081         ns32k-merlin-*)
3082                 tm_file=ns32k/merlin.h
3083                 use_collect2=yes
3084                 ;;
3085         ns32k-pc532-mach*)
3086                 tm_file=ns32k/pc532-mach.h
3087                 use_collect2=yes
3088                 ;;
3089         ns32k-pc532-minix*)
3090                 tm_file=ns32k/pc532-min.h
3091                 xm_file="ns32k/xm-pc532-min.h ${xm-file}"
3092                 xm_defines=USG
3093                 use_collect2=yes
3094                 ;;
3095         ns32k-*-netbsd*)
3096                 tm_file=ns32k/netbsd.h
3097                 xm_file="ns32k/xm-netbsd.h ${xm_file}"
3098                 # On NetBSD, the headers are already okay, except for math.h.
3099                 tmake_file=t-netbsd
3100                 use_collect2=yes
3101                 ;;
3102         pdp11-*-bsd)
3103                 tm_file="${tm_file} pdp11/2bsd.h"
3104                 ;;
3105         pdp11-*-*)
3106                 ;;
3107         avr-*-*)
3108                 ;;
3109         ns32k-*-openbsd*)
3110                 # Nothing special
3111                 ;;
3112 # This has not been updated to GCC 2.
3113 #       pyramid-*-*)
3114 #               cpu_type=pyr
3115 #               xmake_file=pyr/x-pyr
3116 #               use_collect2=yes
3117 #               ;;
3118
3119         pj*-linux*)
3120                 tm_file="svr4.h pj/linux.h ${tm_file}"
3121                 ;;
3122         pj-*)
3123                 ;;
3124         pjl-*)
3125                 tm_file="svr4.h pj/pjl.h ${tm_file}"
3126                 ;;
3127
3128         romp-*-aos*)
3129                 use_collect2=yes
3130                 ;;
3131         romp-*-mach*)
3132                 xmake_file=romp/x-mach
3133                 use_collect2=yes
3134                 ;;
3135         romp-*-openbsd*)
3136                 # Nothing special
3137                 ;;
3138         powerpc-*-openbsd*)
3139                 tmake_file="${tmake_file} rs6000/t-rs6000 rs6000/t-openbsd"
3140                 ;;
3141         powerpc-*-beos*)
3142                 cpu_type=rs6000
3143                 tm_file=rs6000/beos.h
3144                 xm_file=rs6000/xm-beos.h
3145                 tmake_file=rs6000/t-beos
3146                 xmake_file=rs6000/x-beos
3147                 ;;
3148         powerpc-*-sysv*)
3149                 tm_file=rs6000/sysv4.h
3150                 xm_file="rs6000/xm-sysv4.h"
3151                 xm_defines="USG POSIX"
3152                 extra_headers=ppc-asm.h
3153                 tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
3154                 xmake_file=rs6000/x-sysv4
3155                 ;;
3156         powerpc-*-eabiaix*)
3157                 tm_file="rs6000/sysv4.h rs6000/eabi.h rs6000/eabiaix.h"
3158                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3159                 extra_headers=ppc-asm.h
3160                 ;;
3161         powerpc-*-eabisim*)
3162                 tm_file="rs6000/sysv4.h rs6000/eabi.h rs6000/eabisim.h"
3163                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3164                 extra_headers=ppc-asm.h
3165                 ;;
3166         powerpc-*-elf*)
3167                 tm_file="rs6000/sysv4.h"
3168                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3169                 extra_headers=ppc-asm.h
3170                 ;;
3171         powerpc-*-eabi*)
3172                 tm_file="rs6000/sysv4.h rs6000/eabi.h"
3173                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3174                 extra_headers=ppc-asm.h
3175                 ;;
3176         powerpc-*-rtems*)
3177                 tm_file="rs6000/sysv4.h rs6000/eabi.h rs6000/rtems.h"
3178                 tmake_file="rs6000/t-ppcgas t-rtems rs6000/t-ppccomm"
3179                 extra_headers=ppc-asm.h
3180                 ;;
3181         powerpc-*-linux*libc1)
3182                 tm_file="rs6000/sysv4.h rs6000/linux.h"
3183                 xm_file=rs6000/xm-sysv4.h
3184                 out_file=rs6000/rs6000.c
3185                 tmake_file="rs6000/t-ppcos t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
3186                 xmake_file=x-linux
3187                 extra_headers=ppc-asm.h
3188                 if test x$enable_threads = xyes; then
3189                         thread_file='posix'
3190                 fi
3191                 ;;
3192         powerpc-*-linux*)
3193                 tm_file="rs6000/sysv4.h rs6000/linux.h"
3194                 xm_file="rs6000/xm-sysv4.h"
3195                 xm_defines="USG ${xm_defines}"
3196                 out_file=rs6000/rs6000.c
3197                 tmake_file="rs6000/t-ppcos t-linux rs6000/t-ppccomm"
3198                 xmake_file=x-linux
3199                 extra_headers=ppc-asm.h
3200                 if test x$enable_threads = xyes; then
3201                         thread_file='posix'
3202                 fi
3203                 ;;
3204         powerpc-wrs-vxworks*)
3205                 cpu_type=rs6000
3206                 xm_file="rs6000/xm-sysv4.h"
3207                 xm_defines="USG POSIX"
3208                 tm_file="rs6000/sysv4.h rs6000/vxppc.h"
3209                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3210                 extra_headers=ppc-asm.h
3211                 thread_file='vxworks'
3212                 ;;
3213         powerpcle-wrs-vxworks*)
3214                 cpu_type=rs6000
3215                 xm_file="rs6000/xm-sysv4.h"
3216                 xm_defines="USG POSIX"
3217                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h rs6000/vxppc.h"
3218                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3219                 extra_headers=ppc-asm.h
3220                 thread_file='vxworks'
3221                 ;;
3222         powerpcle-*-sysv*)
3223                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h"
3224                 xm_file="rs6000/xm-sysv4.h"
3225                 xm_defines="USG POSIX"
3226                 tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
3227                 xmake_file=rs6000/x-sysv4
3228                 extra_headers=ppc-asm.h
3229                 ;;
3230         powerpcle-*-elf*)
3231                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h"
3232                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3233                 extra_headers=ppc-asm.h
3234                 ;;
3235         powerpcle-*-eabisim*)
3236                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h rs6000/eabi.h rs6000/eabisim.h"
3237                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3238                 extra_headers=ppc-asm.h
3239                 ;;
3240         powerpcle-*-eabi*)
3241                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h rs6000/eabi.h"
3242                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
3243                 extra_headers=ppc-asm.h
3244                 ;;
3245         powerpcle-*-solaris2*)
3246                 tm_file="rs6000/sysv4.h rs6000/sysv4le.h rs6000/sol2.h"
3247                 xm_file="rs6000/xm-sysv4.h"
3248                 xm_defines="USG POSIX"
3249                 tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
3250                 xmake_file=rs6000/x-sysv4
3251                 extra_headers=ppc-asm.h
3252                 ;;
3253 changequote(,)dnl
3254         rs6000-ibm-aix3.[01]*)
3255 changequote([,])dnl
3256                 tm_file=rs6000/aix31.h
3257                 xmake_file=rs6000/x-aix31
3258                 float_format=none
3259                 use_collect2=yes
3260                 ;;
3261 changequote(,)dnl
3262         rs6000-ibm-aix3.2.[456789]* | powerpc-ibm-aix3.2.[456789]*)
3263 changequote([,])dnl
3264                 tm_file=rs6000/aix3newas.h
3265                 if test x$host != x$target
3266                 then
3267                         tmake_file=rs6000/t-xnewas
3268                 else
3269                         tmake_file=rs6000/t-newas
3270                 fi
3271                 float_format=none
3272                 use_collect2=yes
3273                 ;;
3274 changequote(,)dnl
3275         rs6000-ibm-aix4.[12]* | powerpc-ibm-aix4.[12]*)
3276 changequote([,])dnl
3277                 tm_file=rs6000/aix41.h
3278                 if test x$host != x$target
3279                 then
3280                         tmake_file=rs6000/t-xnewas
3281                 else
3282                         tmake_file=rs6000/t-newas
3283                 fi
3284                 if test "$gnu_ld" = yes
3285                 then
3286                         xmake_file=rs6000/x-aix41-gld
3287                 else
3288                         tmake_file='rs6000/t-newas rs6000/t-aix41'
3289                 fi
3290                 xmake_file=rs6000/x-aix41
3291                 float_format=none
3292                 use_collect2=yes
3293                 ;;
3294 changequote(,)dnl
3295         rs6000-ibm-aix4.[3456789]* | powerpc-ibm-aix4.[3456789]*)
3296 changequote([,])dnl
3297                 tm_file=rs6000/aix43.h
3298                 tmake_file=rs6000/t-aix43
3299                 xmake_file=rs6000/x-aix41
3300                 float_format=none
3301                 use_collect2=yes
3302                 ;;
3303 changequote(,)dnl
3304         rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
3305 changequote([,])dnl
3306                 tm_file=rs6000/aix43.h
3307                 tmake_file=rs6000/t-aix43
3308                 xmake_file=rs6000/x-aix41
3309                 float_format=none
3310                 use_collect2=yes
3311                 ;;
3312         rs6000-ibm-aix*)
3313                 float_format=none
3314                 use_collect2=yes
3315                 ;;
3316         rs6000-bull-bosx)
3317                 float_format=none
3318                 use_collect2=yes
3319                 ;;
3320         rs6000-*-mach*)
3321                 tm_file=rs6000/mach.h
3322                 xm_file="${xm_file} rs6000/xm-mach.h"
3323                 xmake_file=rs6000/x-mach
3324                 use_collect2=yes
3325                 ;;
3326         rs6000-*-lynxos*)
3327                 tm_file=rs6000/lynx.h
3328                 xm_file=rs6000/xm-lynx.h
3329                 tmake_file=rs6000/t-rs6000
3330                 xmake_file=rs6000/x-lynx
3331                 use_collect2=yes
3332                 ;;
3333         sh-*-elf*)
3334                 tm_file="sh/sh.h sh/elf.h"
3335                 float_format=sh
3336                 ;;
3337         sh-*-rtemself*)
3338                 tmake_file="sh/t-sh t-rtems"
3339                 tm_file="sh/sh.h sh/elf.h sh/rtemself.h"
3340                 float_format=sh
3341                 ;;
3342         sh-*-rtems*)
3343                 tmake_file="sh/t-sh t-rtems"
3344                 tm_file="sh/sh.h sh/rtems.h"
3345                 float_format=sh
3346                 ;;
3347         sh-*-*)
3348                 float_format=sh
3349                 ;;
3350         sparc-tti-*)
3351                 tm_file=sparc/pbd.h
3352                 xm_file="xm-alloca.h ${xm_file}"
3353                 xm_defines=USG
3354                 ;;
3355         sparc-wrs-vxworks* | sparclite-wrs-vxworks*)
3356                 tm_file=sparc/vxsparc.h
3357                 tmake_file=sparc/t-vxsparc
3358                 use_collect2=yes
3359                 thread_file='vxworks'
3360                 ;;
3361         sparc-*-aout*)
3362                 tmake_file=sparc/t-sparcbare
3363                 tm_file="sparc/aout.h libgloss.h"
3364                 ;;
3365         sparc-*-netbsd*)
3366                 tm_file=sparc/netbsd.h
3367                 tmake_file=t-netbsd
3368                 use_collect2=yes
3369                 ;;
3370         sparc-*-openbsd*)
3371                 # we need collect2 until our bug is fixed...
3372                 use_collect2=yes
3373                 ;;
3374         sparc-*-bsd*)
3375                 tm_file=sparc/bsd.h
3376                 ;;
3377         sparc-*-elf*)
3378                 tm_file=sparc/elf.h
3379                 tmake_file=sparc/t-elf
3380                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
3381                 #float_format=i128
3382                 float_format=i64
3383                 ;;
3384         sparc-*-linux*aout*)            # Sparc's running GNU/Linux, a.out
3385                 xm_file="${xm_file} sparc/xm-linux.h"
3386                 tm_file=sparc/linux-aout.h
3387                 xmake_file=x-linux
3388                 gnu_ld=yes
3389                 ;;
3390         sparc-*-linux*libc1*)   # Sparc's running GNU/Linux, libc5
3391                 xm_file="${xm_file} sparc/xm-linux.h"
3392                 xmake_file=x-linux
3393                 tm_file=sparc/linux.h
3394                 tmake_file="t-linux t-linux-gnulibc1"
3395                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3396                 gnu_ld=yes
3397                 float_format=sparc
3398                 ;;
3399         sparc-*-linux*)         # Sparc's running GNU/Linux, libc6
3400                 xm_file="${xm_file} sparc/xm-linux.h"
3401                 xmake_file=x-linux
3402                 tm_file=sparc/linux.h
3403                 tmake_file="t-linux"
3404                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3405                 gnu_ld=yes
3406                 if test x$enable_threads = xyes; then
3407                         thread_file='posix'
3408                 fi
3409                 float_format=sparc
3410                 ;;
3411         sparc-*-lynxos*)
3412                 if test x$gas = xyes
3413                 then
3414                         tm_file=sparc/lynx.h
3415                 else
3416                         tm_file=sparc/lynx-ng.h
3417                 fi
3418                 xm_file=sparc/xm-lynx.h
3419                 tmake_file=sparc/t-sunos41
3420                 xmake_file=x-lynx
3421                 ;;
3422         sparc-*-rtemsaout*)
3423                 tmake_file="sparc/t-sparcbare t-rtems"
3424                 tm_file=sparc/rtems.h
3425                 ;;
3426         sparc-*-rtems*|sparc-*-rtemself*)
3427                 tm_file="sparc/rtemself.h"
3428                 tmake_file="sparc/t-elf t-rtems"
3429                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
3430                 #float_format=i128
3431                 float_format=i64
3432                 ;;
3433         sparcv9-*-solaris2*)
3434                 if test x$gnu_ld = xyes
3435                 then
3436                         tm_file=sparc/sol2-64.h
3437                 else
3438                         tm_file=sparc/sol2-sld-64.h
3439                 fi
3440                 xm_file="sparc/xm-sysv4-64.h sparc/xm-sol2.h"
3441                 xm_defines="USG POSIX"
3442                 tmake_file="sparc/t-sol2 sparc/t-sol2-64"
3443                 xmake_file=sparc/x-sysv4
3444                 extra_parts="crt1.o crti.o crtn.o gcrt1.o crtbegin.o crtend.o"
3445                 float_format=none
3446                 if test x${enable_threads} = x ; then
3447                     enable_threads=$have_pthread_h
3448                     if test x${enable_threads} = x ; then
3449                         enable_threads=$have_thread_h
3450                     fi
3451                 fi
3452                 if test x${enable_threads} = xyes ; then
3453                     if test x${have_pthread_h} = xyes ; then
3454                         thread_file='posix'
3455                     else
3456                         thread_file='solaris'
3457                     fi
3458                 fi
3459                 ;;
3460         sparc-hal-solaris2*)
3461                 xm_file="sparc/xm-sysv4.h sparc/xm-sol2.h"
3462                 xm_defines="USG POSIX"
3463                 tm_file="sparc/sol2.h sparc/hal.h"
3464                 tmake_file="sparc/t-halos sparc/t-sol2"
3465                 xmake_file=sparc/x-sysv4
3466                 extra_parts="crt1.o crti.o crtn.o gmon.o crtbegin.o crtend.o"
3467                 case $machine in
3468 changequote(,)dnl
3469                 *-*-solaris2.[0-4])
3470 changequote([,])dnl
3471                         float_format=i128
3472                 ;;
3473                 *)
3474                         float_format=none
3475                         ;;
3476                 esac
3477                 thread_file='solaris'
3478                 ;;
3479         sparc-*-solaris2*)
3480                 if test x$gnu_ld = xyes
3481                 then
3482                         tm_file=sparc/sol2.h
3483                 else
3484                         tm_file=sparc/sol2-sld.h
3485                 fi
3486                 xm_file="sparc/xm-sysv4.h sparc/xm-sol2.h"
3487                 xm_defines="USG POSIX"
3488                 tmake_file=sparc/t-sol2
3489                 xmake_file=sparc/x-sysv4
3490                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
3491                 case $machine in
3492 changequote(,)dnl
3493                 *-*-solaris2.[0-6] | *-*-solaris2.[0-6].*) ;;
3494 changequote([,])dnl
3495                 *-*-solaris2*)
3496                         if test x$gnu_ld = xyes
3497                         then
3498                                 tm_file=sparc/sol2-64.h
3499                         else
3500                                 tm_file=sparc/sol2-sld-64.h
3501                         fi
3502                         tmake_file="$tmake_file sparc/t-sol2-64"
3503                         ;;
3504                 esac
3505                 case $machine in
3506 changequote(,)dnl
3507                 *-*-solaris2.[0-4])
3508 changequote([,])dnl
3509                         float_format=i128
3510                         ;;
3511                 *)
3512                         float_format=none
3513                         ;;
3514                 esac
3515                 if test x${enable_threads} = x; then
3516                     enable_threads=$have_pthread_h
3517                     if test x${enable_threads} = x; then
3518                         enable_threads=$have_thread_h
3519                     fi
3520                 fi
3521                 if test x${enable_threads} = xyes; then
3522                     if test x${have_pthread_h} = xyes; then
3523                         thread_file='posix'
3524                     else
3525                         thread_file='solaris'
3526                     fi
3527                 fi
3528                 ;;
3529         sparc-*-sunos4.0*)
3530                 tm_file=sparc/sunos4.h
3531                 tmake_file=sparc/t-sunos40
3532                 use_collect2=yes
3533                 ;;
3534         sparc-*-sunos4*)
3535                 tm_file=sparc/sunos4.h
3536                 tmake_file=sparc/t-sunos41
3537                 use_collect2=yes
3538                 if test x$gas = xyes; then
3539                         tm_file="${tm_file} sparc/sun4gas.h"
3540                 fi
3541                 ;;
3542         sparc-*-sunos3*)
3543                 tm_file=sparc/sun4o3.h
3544                 use_collect2=yes
3545                 ;;
3546         sparc-*-sysv4*)
3547                 tm_file=sparc/sysv4.h
3548                 xm_file="sparc/xm-sysv4.h"
3549                 xm_defines="USG POSIX"
3550                 tmake_file=t-svr4
3551                 xmake_file=sparc/x-sysv4
3552                 extra_parts="crtbegin.o crtend.o"
3553                 ;;
3554         sparc-*-vxsim*)
3555                 xm_file="sparc/xm-sysv4.h sparc/xm-sol2.h"
3556                 xm_defines="USG POSIX"
3557                 tm_file=sparc/vxsim.h
3558                 tmake_file=sparc/t-vxsparc
3559                 xmake_file=sparc/x-sysv4
3560                 ;;
3561         sparclet-*-aout*)
3562                 tm_file="sparc/splet.h libgloss.h"
3563                 tmake_file=sparc/t-splet
3564                 ;;
3565         sparclite-*-coff*)
3566                 tm_file="sparc/litecoff.h libgloss.h"
3567                 tmake_file=sparc/t-sparclite
3568                 ;;
3569         sparclite-*-aout*)
3570                 tm_file="sparc/lite.h aoutos.h libgloss.h"
3571                 tmake_file=sparc/t-sparclite
3572                 ;;
3573         sparclite-*-elf*)
3574                 tm_file="sparc/liteelf.h"
3575                 tmake_file=sparc/t-sparclite
3576                 extra_parts="crtbegin.o crtend.o"
3577                 ;;
3578         sparc86x-*-aout*)
3579                 tm_file="sparc/sp86x-aout.h aoutos.h libgloss.h"
3580                 tmake_file=sparc/t-sp86x
3581                 ;;
3582         sparc86x-*-elf*)
3583                 tm_file="sparc/sp86x-elf.h"
3584                 tmake_file=sparc/t-sp86x
3585                 extra_parts="crtbegin.o crtend.o"
3586                 ;;
3587         sparc64-*-aout*)
3588                 tmake_file=sparc/t-sp64
3589                 tm_file=sparc/sp64-aout.h
3590                 ;;
3591         sparc64-*-elf*)
3592                 tmake_file=sparc/t-sp64
3593                 tm_file=sparc/sp64-elf.h
3594                 extra_parts="crtbegin.o crtend.o"
3595                 ;;
3596         sparc64-*-linux*)               # 64-bit Sparc's running GNU/Linux
3597                 tmake_file="t-linux sparc/t-linux64"
3598                 xm_file="sparc/xm-sp64.h sparc/xm-linux.h"
3599                 tm_file=sparc/linux64.h
3600                 xmake_file=x-linux
3601                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
3602                 gnu_ld=yes
3603                 if test x$enable_threads = xyes; then
3604                         thread_file='posix'
3605                 fi
3606                 float_format=sparc
3607                 ;;
3608 # This hasn't been upgraded to GCC 2.
3609 #       tahoe-harris-*)                 # Harris tahoe, using COFF.
3610 #               tm_file=tahoe/harris.h
3611 #               ;;
3612 #       tahoe-*-bsd*)                   # tahoe running BSD
3613 #               ;;
3614
3615         thumb*-*-*)
3616                 AC_MSG_ERROR([
3617 *** The Thumb targets have been depreciated.  The equivalent
3618 *** ARM based toolchain can now generated Thumb instructions
3619 *** when the -mthumb switch is given to the compiler.])
3620                 ;;
3621 # This hasn't been upgraded to GCC 2.
3622 #       tron-*-*)
3623 #               cpu_type=gmicro
3624 #               use_collect2=yes
3625 #               ;;
3626         v850-*-rtems*)
3627                 cpu_type=v850
3628                 tm_file="v850/rtems.h"
3629                 xm_file="v850/xm-v850.h"
3630                 tmake_file="v850/t-v850 t-rtems"
3631                 if test x$stabs = xyes
3632                 then
3633                         tm_file="${tm_file} dbx.h"
3634                 fi
3635                 use_collect2=no
3636                 ;;
3637         v850-*-*)
3638                 target_cpu_default="TARGET_CPU_generic"
3639                 cpu_type=v850
3640                 tm_file="v850/v850.h"
3641                 xm_file="v850/xm-v850.h"
3642                 tmake_file=v850/t-v850
3643                 if test x$stabs = xyes
3644                 then
3645                         tm_file="${tm_file} dbx.h"
3646                 fi
3647                 use_collect2=no
3648                 ;;
3649         vax-*-bsd*)                     # vaxen running BSD
3650                 use_collect2=yes
3651                 float_format=vax
3652                 ;;
3653         vax-*-sysv*)                    # vaxen running system V
3654                 tm_file="${tm_file} vax/vaxv.h"
3655                 xm_defines=USG
3656                 float_format=vax
3657                 ;;
3658         vax-*-netbsd*)
3659                 tm_file="${tm_file} netbsd.h vax/netbsd.h"
3660                 tmake_file=t-netbsd
3661                 float_format=vax
3662                 use_collect2=yes
3663                 ;;
3664         vax-*-openbsd*)
3665                 tmake_file="${tmake_file} vax/t-openbsd"
3666                 tm_file="vax/vax.h vax/openbsd1.h openbsd.h ${tm_file}"
3667                 xm_file="xm-openbsd.h vax/xm-vax.h"
3668                 float_format=vax
3669                 use_collect2=yes
3670                 ;;
3671         vax-*-ultrix*)                  # vaxen running ultrix
3672                 tm_file="${tm_file} vax/ultrix.h"
3673                 if test x$GCC = xyes
3674                 then
3675                         xmake_file=vax/x-vax-gcc
3676                 fi
3677                 use_collect2=yes
3678                 float_format=vax
3679                 ;;
3680         vax-*-vms*)                     # vaxen running VMS
3681                 xm_file=vax/xm-vms.h
3682                 tm_file=vax/vms.h
3683                 float_format=vax
3684                 ;;
3685         vax-*-*)                        # vax default entry
3686                 float_format=vax
3687                 ;;
3688         we32k-att-sysv*)
3689                 xm_file="${xm_file} xm-svr3"
3690                 use_collect2=yes
3691                 ;;
3692         *)
3693                 echo "Configuration $machine not supported" 1>&2
3694                 exit 1
3695                 ;;
3696         esac
3697
3698         case $machine in
3699         *-*-linux*)
3700                 ;; # Existing GNU/Linux systems do not use the GNU setup.
3701         *-*-gnu*)
3702                 # On the GNU system, the setup is just about the same on
3703                 # each different CPU.  The specific machines that GNU
3704                 # supports are matched above and just set $cpu_type.
3705                 xm_file="xm-gnu.h ${xm_file}"
3706                 tm_file=${cpu_type}/gnu.h
3707                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
3708                 # GNU always uses ELF.
3709                 elf=yes
3710                 # GNU tools are the only tools.
3711                 gnu_ld=yes
3712                 gas=yes
3713                 xmake_file=x-linux      # These details are the same as Linux.
3714                 tmake_file=t-gnu        # These are not.
3715                 ;;
3716         *-*-sysv4*)
3717                 xmake_try_sysv=x-sysv
3718                 install_headers_dir=install-headers-cpio
3719                 ;;
3720         *-*-sysv*)
3721                 install_headers_dir=install-headers-cpio
3722                 ;;
3723         esac
3724
3725         # Distinguish i[34567]86
3726         # Also, do not run mips-tfile on MIPS if using gas.
3727         # Process --with-cpu= for PowerPC/rs6000
3728         target_cpu_default2=
3729         case $machine in
3730         i486-*-*)
3731                 target_cpu_default2=1
3732                 ;;
3733         i586-*-*)
3734                 case $target_alias in
3735                         k6-*)
3736                                 target_cpu_default2=4
3737                                 ;;
3738                         *)
3739                                 target_cpu_default2=2
3740                                 ;;
3741                 esac
3742                 ;;
3743         i686-*-* | i786-*-*)
3744                 target_cpu_default2=3
3745                 ;;
3746         alpha*-*-*)
3747                 case $machine in
3748 changequote(,)dnl
3749                         alphaev6[78]*)
3750 changequote([,])dnl
3751                                 target_cpu_default2="MASK_CPU_EV6|MASK_BWX|MASK_MAX|MASK_FIX|MASK_CIX"
3752                                 ;;
3753                         alphaev6*)
3754                                 target_cpu_default2="MASK_CPU_EV6|MASK_BWX|MASK_MAX|MASK_FIX"
3755                                 ;;
3756                         alphapca56*)
3757                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX|MASK_MAX"
3758                                 ;;
3759                         alphaev56*)
3760                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX"
3761                                 ;;
3762                         alphaev5*)
3763                                 target_cpu_default2="MASK_CPU_EV5"
3764                                 ;;
3765                 esac
3766
3767                 if test x$gas = xyes
3768                 then
3769                         if test "$target_cpu_default2" = ""
3770                         then
3771                                 target_cpu_default2="MASK_GAS"
3772                         else
3773                                 target_cpu_default2="${target_cpu_default2}|MASK_GAS"
3774                         fi
3775                 fi
3776                 ;;
3777         arm*-*-*)
3778                 case "x$with_cpu" in
3779                         x)
3780                                 # The most generic
3781                                 target_cpu_default2="TARGET_CPU_generic"
3782                                 ;;
3783
3784                         # Distinguish cores, and major variants
3785                         # arm7m doesn't exist, but D & I don't affect code
3786 changequote(,)dnl
3787                         xarm[23678] | xarm250 | xarm[67][01]0 \
3788                         | xarm7m | xarm7dm | xarm7dmi | xarm7tdmi \
3789                         | xarm7100 | xarm7500 | xarm7500fe | xarm810 \
3790                         | xstrongarm | xstrongarm110 | xstrongarm1100)
3791 changequote([,])dnl
3792                                 target_cpu_default2="TARGET_CPU_$with_cpu"
3793                                 ;;
3794
3795                         xyes | xno)
3796                                 echo "--with-cpu must be passed a value" 1>&2
3797                                 exit 1
3798                                 ;;
3799
3800                         *)
3801                                 if test x$pass2done = xyes
3802                                 then
3803                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3804                                         exit 1
3805                                 fi
3806                                 ;;
3807                 esac
3808                 ;;
3809
3810         mips*-*-ecoff* | mips*-*-elf*)
3811                 if test x$gas = xyes
3812                 then
3813                         if test x$gnu_ld = xyes
3814                         then
3815                                 target_cpu_default2="MASK_GAS|MASK_SPLIT_ADDR"
3816                         else
3817                                 target_cpu_default2="MASK_GAS"
3818                         fi
3819                 fi
3820                 ;;
3821         mips*-*-*)
3822                 if test x$gas = xyes
3823                 then
3824                         target_cpu_default2="MASK_GAS"
3825                 fi
3826                 ;;
3827         powerpc*-*-* | rs6000-*-*)
3828                 case "x$with_cpu" in
3829                         x)
3830                                 ;;
3831
3832                         xcommon | xpower | xpower2 | xpowerpc | xrios \
3833                           | xrios1 | xrios2 | xrsc | xrsc1 \
3834                           | x601 | x602 | x603 | x603e | x604 | x604e | x620 \
3835                           | xec603e | x740 | x750 | x401 \
3836                           | x403 | x505 | x801 | x821 | x823 | x860)
3837                                 target_cpu_default2="\"$with_cpu\""
3838                                 ;;
3839
3840                         xyes | xno)
3841                                 echo "--with-cpu must be passed a value" 1>&2
3842                                 exit 1
3843                                 ;;
3844
3845                         *)
3846                                 if test x$pass2done = xyes
3847                                 then
3848                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3849                                         exit 1
3850                                 fi
3851                                 ;;
3852                 esac
3853                 ;;
3854         sparc*-*-*)
3855                 case ".$with_cpu" in
3856                         .)
3857                                 target_cpu_default2=TARGET_CPU_"`echo $machine | sed 's/-.*$//'`"
3858                                 ;;
3859                         .supersparc | .hypersparc | .ultrasparc | .v7 | .v8 | .v9)
3860                                 target_cpu_default2="TARGET_CPU_$with_cpu"
3861                                 ;;
3862                         *)
3863                                 if test x$pass2done = xyes
3864                                 then
3865                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
3866                                         exit 1
3867                                 fi
3868                                 ;;
3869                 esac
3870                 ;;
3871         esac
3872
3873         if test "$target_cpu_default2" != ""
3874         then
3875                 if test "$target_cpu_default" != ""
3876                 then
3877                         target_cpu_default="(${target_cpu_default}|${target_cpu_default2})"
3878                 else
3879                         target_cpu_default=$target_cpu_default2
3880                 fi
3881         fi
3882
3883         # No need for collect2 if we have the GNU linker.
3884         # Actually, there is now; GNU ld doesn't handle the EH info or
3885         # collecting for shared libraries.
3886         #case x$gnu_ld in
3887         #xyes)
3888         #       use_collect2=
3889         #       ;;
3890         #esac
3891
3892 # Save data on machine being used to compile GCC in build_xm_file.
3893 # Save data on host machine in vars host_xm_file and host_xmake_file.
3894         if test x$pass1done = x
3895         then
3896                 if test x"$xm_file" = x
3897                 then build_xm_file=$cpu_type/xm-$cpu_type.h
3898                 else build_xm_file=$xm_file
3899                 fi
3900                 build_xm_defines=$xm_defines
3901                 build_install_headers_dir=$install_headers_dir
3902                 build_exeext=$exeext
3903                 pass1done=yes
3904         else
3905                 if test x$pass2done = x
3906                 then
3907                         if test x"$xm_file" = x
3908                         then host_xm_file=$cpu_type/xm-$cpu_type.h
3909                         else host_xm_file=$xm_file
3910                         fi
3911                         host_xm_defines=$xm_defines
3912                         if test x"$xmake_file" = x
3913                         then xmake_file=$cpu_type/x-$cpu_type
3914                         fi
3915                         host_xmake_file="$xmake_file"
3916                         host_truncate_target=$truncate_target
3917                         host_extra_gcc_objs=$extra_gcc_objs
3918                         host_extra_objs=$extra_host_objs
3919                         host_exeext=$exeext
3920                         pass2done=yes
3921                 fi
3922         fi
3923 done
3924
3925 extra_objs="${host_extra_objs} ${extra_objs}"
3926
3927 # Default the target-machine variables that were not explicitly set.
3928 if test x"$tm_file" = x
3929 then tm_file=$cpu_type/$cpu_type.h; fi
3930
3931 if test x$extra_headers = x
3932 then extra_headers=; fi
3933
3934 if test x"$xm_file" = x
3935 then xm_file=$cpu_type/xm-$cpu_type.h; fi
3936
3937 if test x$md_file = x
3938 then md_file=$cpu_type/$cpu_type.md; fi
3939
3940 if test x$out_file = x
3941 then out_file=$cpu_type/$cpu_type.c; fi
3942
3943 if test x"$tmake_file" = x
3944 then tmake_file=$cpu_type/t-$cpu_type
3945 fi
3946
3947 if test x"$dwarf2" = xyes
3948 then tm_file="$tm_file tm-dwarf2.h"
3949 fi
3950
3951 if test x$float_format = x
3952 then float_format=i64
3953 fi
3954
3955 if test $float_format = none
3956 then float_h_file=Makefile.in
3957 else float_h_file=float-$float_format.h
3958 fi
3959
3960 # Handle cpp installation.
3961 if test x$enable_cpp != xno
3962 then
3963   tmake_file="$tmake_file t-install-cpp"
3964 fi
3965
3966 # Say what files are being used for the output code and MD file.
3967 echo "Using \`$srcdir/config/$out_file' to output insns."
3968 echo "Using \`$srcdir/config/$md_file' as machine description file."
3969
3970 count=a
3971 for f in $tm_file; do
3972         count=${count}x
3973 done
3974 if test $count = ax; then
3975         echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
3976 else
3977         echo "Using the following target machine macro files:"
3978         for f in $tm_file; do
3979                 echo "  $srcdir/config/$f"
3980         done
3981 fi
3982
3983 count=a
3984 for f in $host_xm_file; do
3985         count=${count}x
3986 done
3987 if test $count = ax; then
3988         echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
3989 else
3990         echo "Using the following host machine macro files:"
3991         for f in $host_xm_file; do
3992                 echo "  $srcdir/config/$f"
3993         done
3994 fi
3995
3996 if test "$host_xm_file" != "$build_xm_file"; then
3997         count=a
3998         for f in $build_xm_file; do
3999                 count=${count}x
4000         done
4001         if test $count = ax; then
4002                 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
4003         else
4004                 echo "Using the following build machine macro files:"
4005                 for f in $build_xm_file; do
4006                         echo "  $srcdir/config/$f"
4007                 done
4008         fi
4009 fi
4010
4011 if test x$thread_file = x; then
4012         if test x$target_thread_file != x; then
4013                 thread_file=$target_thread_file
4014         else
4015                 thread_file='single'
4016         fi
4017 fi
4018
4019 # Set up the header files.
4020 # $links is the list of header files to create.
4021 # $vars is the list of shell variables with file names to include.
4022 # auto-host.h is the file containing items generated by autoconf and is
4023 # the first file included by config.h.
4024 null_defines=
4025 host_xm_file="auto-host.h gansidecl.h ${host_xm_file} hwint.h"
4026
4027 # If host=build, it is correct to have hconfig include auto-host.h
4028 # as well.  If host!=build, we are in error and need to do more
4029 # work to find out the build config parameters.
4030 if test x$host = x$build
4031 then
4032         build_xm_file="auto-host.h gansidecl.h ${build_xm_file} hwint.h"
4033 else
4034         # We create a subdir, then run autoconf in the subdir.
4035         # To prevent recursion we set host and build for the new
4036         # invocation of configure to the build for this invocation
4037         # of configure.
4038         tempdir=build.$$
4039         rm -rf $tempdir
4040         mkdir $tempdir
4041         cd $tempdir
4042         case ${srcdir} in
4043         /*) realsrcdir=${srcdir};;
4044         *) realsrcdir=../${srcdir};;
4045         esac
4046         CC=${CC_FOR_BUILD} ${realsrcdir}/configure \
4047                 --target=$target --host=$build --build=$build
4048
4049         # We just finished tests for the build machine, so rename
4050         # the file auto-build.h in the gcc directory.
4051         mv auto-host.h ../auto-build.h
4052         cd ..
4053         rm -rf $tempdir
4054         build_xm_file="auto-build.h gansidecl.h ${build_xm_file} hwint.h"
4055 fi
4056
4057 xm_file="gansidecl.h ${xm_file}"
4058 tm_file="gansidecl.h ${tm_file}"
4059
4060 vars="host_xm_file tm_file tm_p_file xm_file build_xm_file"
4061 links="config.h tm.h tm_p.h tconfig.h hconfig.h"
4062 defines="host_xm_defines null_defines null_defines xm_defines build_xm_defines"
4063
4064 rm -f config.bak
4065 if test -f config.status; then mv -f config.status config.bak; fi
4066
4067 # Make the links.
4068 while test -n "$vars"
4069 do
4070         set $vars; var=$1; shift; vars=$*
4071         set $links; link=$1; shift; links=$*
4072         set $defines; define=$1; shift; defines=$*
4073
4074         rm -f $link
4075         # Make sure the file is created, even if it is empty.
4076         echo >$link
4077
4078         # Define TARGET_CPU_DEFAULT if the system wants one.
4079         # This substitutes for lots of *.h files.
4080         if test "$target_cpu_default" != "" -a $link = tm.h
4081         then
4082                 echo "#define TARGET_CPU_DEFAULT ($target_cpu_default)" >>$link
4083         fi
4084
4085         for file in `eval echo '$'$var`; do
4086                 case $file in
4087                 auto-host.h | auto-build.h )
4088                         ;;
4089                 *)
4090                         echo '#ifdef IN_GCC' >>$link
4091                         ;;
4092                 esac
4093                 echo "#include \"$file\"" >>$link
4094                 case $file in
4095                 auto-host.h | auto-build.h )
4096                         ;;
4097                 *)
4098                         echo '#endif' >>$link
4099                         ;;
4100                 esac
4101         done
4102
4103         for def in `eval echo '$'$define`; do
4104                 echo "#ifndef $def" >>$link
4105                 echo "#define $def" >>$link
4106                 echo "#endif" >>$link
4107         done
4108 done
4109
4110 # Truncate the target if necessary
4111 if test x$host_truncate_target != x; then
4112         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
4113 fi
4114
4115 # Get the version trigger filename from the toplevel
4116 if test "${with_gcc_version_trigger+set}" = set; then
4117         gcc_version_trigger=$with_gcc_version_trigger
4118 else
4119         gcc_version_trigger=${srcdir}/version.c
4120 fi
4121 changequote(,)dnl
4122 gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/'`
4123 changequote([,])dnl
4124
4125 # Internationalization
4126 PACKAGE=gcc
4127 VERSION="$gcc_version"
4128 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE",
4129         [Define to the name of the distribution.])
4130 AC_DEFINE_UNQUOTED(VERSION, "$VERSION",
4131         [Define to the version of the distribution.])
4132 AC_SUBST(PACKAGE)
4133 AC_SUBST(VERSION)
4134
4135 ALL_LINGUAS="en_GB"
4136
4137 # Enable NLS support by default
4138 AC_ARG_ENABLE(nls,
4139   [  --enable-nls            use Native Language Support (default)],
4140   , enable_nls=yes)
4141
4142 # if cross compiling, disable NLS support.
4143 # It's not worth the trouble, at least for now.
4144
4145 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
4146   AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
4147   enable_nls=no
4148 fi
4149
4150 AM_GNU_GETTEXT
4151 XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT"
4152
4153 # Windows32 Registry support for specifying GCC installation paths.
4154 AC_ARG_ENABLE(win32-registry,
4155 [  --disable-win32-registry
4156                           Disable lookup of installation paths in the
4157                          Registry on Windows hosts.
4158   --enable-win32-registry Enable registry lookup (default).
4159   --enable-win32-registry=KEY
4160                           Use KEY instead of GCC version as the last portion
4161                          of the registry key.],,)
4162
4163 AC_MSG_CHECKING(whether windows registry support is requested)
4164 if test x$enable_win32_registry != xno; then
4165   AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
4166 [Define to 1 if installation paths should be looked up in Windows32
4167    Registry. Ignored on non windows32 hosts.])
4168   AC_MSG_RESULT(yes)
4169 else
4170   AC_MSG_RESULT(no)
4171 fi
4172
4173 # Check if user specified a different registry key.
4174 case x${enable_win32_registry} in
4175 x | xyes)
4176   # default.
4177   gcc_cv_win32_registry_key="$VERSION"
4178   ;;
4179 xno)
4180   # no registry lookup.
4181   gcc_cv_win32_registry_key=''
4182   ;;
4183 *)
4184   # user-specified key.
4185   gcc_cv_win32_registry_key="$enable_win32_registry"
4186   ;;
4187 esac
4188
4189 if test x$enable_win32_registry != xno; then
4190   AC_MSG_CHECKING(registry key on windows hosts)
4191   AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
4192         [Define to be the last portion of registry key on windows hosts.])
4193   AC_MSG_RESULT($gcc_cv_win32_registry_key)
4194 fi
4195
4196 # Get an absolute path to the GCC top-level source directory
4197 holddir=`pwd`
4198 cd $srcdir
4199 topdir=`pwd`
4200 cd $holddir
4201
4202 # Conditionalize the makefile for this host machine.
4203 # Make-host contains the concatenation of all host makefile fragments
4204 # [there can be more than one].  This file is built by configure.frag.
4205 host_overrides=Make-host
4206 dep_host_xmake_file=
4207 for f in .. ${host_xmake_file}
4208 do
4209         if test -f ${srcdir}/config/$f
4210         then
4211                 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
4212         fi
4213 done
4214
4215 # Conditionalize the makefile for this target machine.
4216 # Make-target contains the concatenation of all host makefile fragments
4217 # [there can be more than one].  This file is built by configure.frag.
4218 target_overrides=Make-target
4219 dep_tmake_file=
4220 for f in .. ${tmake_file}
4221 do
4222         if test -f ${srcdir}/config/$f
4223         then
4224                 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
4225         fi
4226 done
4227
4228 # If the host doesn't support symlinks, modify CC in
4229 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
4230 # Otherwise, we can use "CC=$(CC)".
4231 rm -f symtest.tem
4232 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
4233 then
4234         cc_set_by_configure="\$(CC)"
4235         quoted_cc_set_by_configure="\$(CC)"
4236         stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
4237 else
4238         rm -f symtest.tem
4239         if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
4240         then
4241                 symbolic_link="cp -p"
4242         else
4243                 symbolic_link="cp"
4244         fi
4245         cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
4246         quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
4247         stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
4248 fi
4249 rm -f symtest.tem
4250
4251 out_object_file=`basename $out_file .c`.o
4252
4253 tm_file_list=
4254 for f in $tm_file; do
4255   case $f in
4256     gansidecl.h )
4257        tm_file_list="${tm_file_list} $f" ;;
4258     *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
4259   esac
4260 done
4261
4262 host_xm_file_list=
4263 for f in $host_xm_file; do
4264   case $f in
4265     auto-host.h | gansidecl.h | hwint.h )
4266        host_xm_file_list="${host_xm_file_list} $f" ;;
4267     *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
4268   esac
4269 done
4270
4271 build_xm_file_list=
4272 for f in $build_xm_file; do
4273   case $f in
4274     auto-build.h | auto-host.h | gansidecl.h | hwint.h )
4275        build_xm_file_list="${build_xm_file_list} $f" ;;
4276     *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
4277   esac
4278 done
4279
4280 # Define macro CROSS_COMPILE in compilation
4281 # if this is a cross-compiler.
4282 # Also use all.cross instead of all.internal
4283 # and add cross-make to Makefile.
4284 cross_overrides="/dev/null"
4285 if test x$host != x$target
4286 then
4287         cross_defines="CROSS=-DCROSS_COMPILE"
4288         cross_overrides="${topdir}/cross-make"
4289 fi
4290
4291 # If this is a cross-compiler that does not
4292 # have its own set of headers then define
4293 # inhibit_libc
4294
4295 # If this is using newlib, then define inhibit_libc in
4296 # LIBGCC2_CFLAGS.  This will cause __eprintf to be left out of
4297 # libgcc.a, but that's OK because newlib should have its own version of
4298 # assert.h.
4299 inhibit_libc=
4300 if [test x$host != x$target] && [test x$with_headers = x]; then
4301        inhibit_libc=-Dinhibit_libc
4302 else
4303        if [test x$with_newlib = xyes]; then
4304                inhibit_libc=-Dinhibit_libc
4305        fi
4306 fi
4307 AC_SUBST(inhibit_libc)
4308
4309 # When building gcc with a cross-compiler, we need to fix a few things.
4310 # This must come after cross-make as we want all.build to override
4311 # all.cross.
4312 build_overrides="/dev/null"
4313 if test x$build != x$host
4314 then
4315         build_overrides="${topdir}/build-make"
4316 fi
4317
4318 # Expand extra_headers to include complete path.
4319 # This substitutes for lots of t-* files.
4320 extra_headers_list=
4321 if test "x$extra_headers" = x
4322 then true
4323 else
4324         # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
4325         for file in $extra_headers;
4326         do
4327                 extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
4328         done
4329 fi
4330
4331 if test x$use_collect2 = xno; then
4332         use_collect2=
4333 fi
4334
4335 # Add a definition of USE_COLLECT2 if system wants one.
4336 # Also tell toplev.c what to do.
4337 # This substitutes for lots of t-* files.
4338 if test x$use_collect2 = x
4339 then
4340         will_use_collect2=
4341         maybe_use_collect2=
4342 else
4343         will_use_collect2="collect2"
4344         maybe_use_collect2="-DUSE_COLLECT2"
4345 fi
4346
4347 # NEED TO CONVERT
4348 # Set MD_DEPS if the real md file is in md.pre-cpp.
4349 # Set MD_CPP to the cpp to pass the md file through.  Md files use ';'
4350 # for line oriented comments, so we must always use a GNU cpp.  If
4351 # building gcc with a cross compiler, use the cross compiler just
4352 # built.  Otherwise, we can use the cpp just built.
4353 md_file_sub=
4354 if test "x$md_cppflags" = x
4355 then
4356         md_file_sub=$srcdir/config/$md_file
4357 else
4358         md_file=md
4359 fi
4360
4361 # If we have gas in the build tree, make a link to it.
4362 if test -f ../gas/Makefile; then
4363         rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
4364 fi
4365
4366 # If we have nm in the build tree, make a link to it.
4367 if test -f ../binutils/Makefile; then
4368         rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
4369 fi
4370
4371 # If we have ld in the build tree, make a link to it.
4372 if test -f ../ld/Makefile; then
4373 #       if test x$use_collect2 = x; then
4374 #               rm -f ld; $symbolic_link ../ld/ld-new$host_exeext ld$host_exeext 2>/dev/null
4375 #       else
4376                 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
4377 #       fi
4378 fi
4379
4380 # Figure out what assembler alignment features are present.
4381 AC_MSG_CHECKING(assembler alignment features)
4382 gcc_cv_as=
4383 gcc_cv_as_alignment_features=
4384 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
4385 if test -x "$DEFAULT_ASSEMBLER"; then
4386         gcc_cv_as="$DEFAULT_ASSEMBLER"
4387 elif test -x "$AS"; then
4388         gcc_cv_as="$AS"
4389 elif test -x as$host_exeext; then
4390         # Build using assembler in the current directory.
4391         gcc_cv_as=./as$host_exeext
4392 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
4393         # Single tree build which includes gas.
4394         for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
4395         do
4396 changequote(,)dnl
4397                 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
4398 changequote([,])dnl
4399                 if test x$gcc_cv_gas_version != x; then
4400                         break
4401                 fi
4402         done
4403 changequote(,)dnl
4404         gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
4405         gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
4406 changequote([,])dnl
4407         if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
4408                 # Gas version 2.6 and later support for .balign and .p2align.
4409                 # bytes to skip when using .p2align.
4410                 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
4411                         gcc_cv_as_alignment_features=".balign and .p2align"
4412                         AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
4413                 fi
4414                 # Gas version 2.8 and later support specifying the maximum
4415                 # bytes to skip when using .p2align.
4416                 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
4417                         gcc_cv_as_alignment_features=".p2align including maximum skip"
4418                         AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
4419                 fi
4420         fi
4421 elif test x$host = x$target; then
4422         # Native build.
4423         # Search the same directories that the installed compiler will
4424         # search.  Else we may find the wrong assembler and lose.  If we
4425         # do not find a suitable assembler binary, then try the user's
4426         # path.
4427         #
4428         # Also note we have to check MD_EXEC_PREFIX before checking the
4429         # user's path.  Unfortunately, there is no good way to get at the
4430         # value of MD_EXEC_PREFIX here.  So we do a brute force search
4431         # through all the known MD_EXEC_PREFIX values.  Ugh.  This needs
4432         # to be fixed as part of the make/configure rewrite too.
4433
4434         if test "x$exec_prefix" = xNONE; then
4435                 if test "x$prefix" = xNONE; then
4436                         test_prefix=/usr/local
4437                 else
4438                         test_prefix=$prefix
4439                 fi
4440         else
4441                 test_prefix=$exec_prefix
4442         fi
4443
4444         # If the loop below does not find an assembler, then use whatever
4445         # one we can find in the users's path.
4446         # user's path.
4447         as=as$host_exeext
4448
4449         test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
4450                    $test_prefix/lib/gcc-lib/$target \
4451                    /usr/lib/gcc/$target/$gcc_version \
4452                    /usr/lib/gcc/$target \
4453                    $test_prefix/$target/bin/$target/$gcc_version \
4454                    $test_prefix/$target/bin \
4455                    /usr/libexec \
4456                    /usr/ccs/gcc \
4457                    /usr/ccs/bin \
4458                    /udk/usr/ccs/bin \
4459                    /bsd43/usr/lib/cmplrs/cc \
4460                    /usr/cross64/usr/bin \
4461                    /usr/lib/cmplrs/cc \
4462                    /sysv/usr/lib/cmplrs/cc \
4463                    /svr4/usr/lib/cmplrs/cc \
4464                    /usr/bin"
4465
4466         for dir in $test_dirs; do
4467                 if test -f $dir/as$host_exeext; then
4468                         gcc_cv_as=$dir/as$host_exeext
4469                         break;
4470                 fi
4471         done
4472 fi
4473 if test x$gcc_cv_as != x; then
4474         # Check if we have .balign and .p2align
4475         echo ".balign  4" > conftest.s
4476         echo ".p2align  2" >> conftest.s
4477         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4478                 gcc_cv_as_alignment_features=".balign and .p2align"
4479                 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
4480         fi
4481         rm -f conftest.s conftest.o
4482         # Check if specifying the maximum bytes to skip when
4483         # using .p2align is supported.
4484         echo ".p2align 4,,7" > conftest.s
4485         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4486                 gcc_cv_as_alignment_features=".p2align including maximum skip"
4487                 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
4488         fi
4489         rm -f conftest.s conftest.o
4490 fi
4491 AC_MSG_RESULT($gcc_cv_as_alignment_features)
4492
4493 AC_MSG_CHECKING(assembler subsection support)
4494 gcc_cv_as_subsections=
4495 if test x$gcc_cv_as != x; then
4496         # Check if we have .subsection
4497         echo ".subsection 1" > conftest.s
4498         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4499                 gcc_cv_as_subsections=".subsection"
4500                 if test -x nm$host_exeext; then
4501                         gcc_cv_nm=./nm$host_exeext
4502                 elif test x$host = x$target; then
4503                         # Native build.
4504                         gcc_cv_nm=nm$host_exeext
4505                 fi
4506                 if test x$gcc_cv_nm != x; then
4507                         cat > conftest.s <<EOF
4508 conftest_label1: .word 0
4509 .subsection -1
4510 conftest_label2: .word 0
4511 .previous
4512 EOF
4513                         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4514                                 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
4515                                 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
4516                                 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
4517                                         :
4518                                 else
4519                                         gcc_cv_as_subsections="working .subsection -1"
4520                                         AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
4521 [Define if your assembler supports .subsection and .subsection -1 starts
4522    emitting at the beginning of your section.])
4523                                 fi
4524                         fi
4525                 fi
4526         fi
4527         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
4528 fi
4529 AC_MSG_RESULT($gcc_cv_as_subsections)
4530
4531 AC_MSG_CHECKING(assembler weak support)
4532 gcc_cv_as_weak=
4533 if test x$gcc_cv_as != x; then
4534         # Check if we have .weak
4535         echo "  .weak foobar" > conftest.s
4536         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4537                 AC_DEFINE(HAVE_GAS_WEAK, 1,
4538                         [Define if your assembler supports .weak.])
4539                 gcc_cv_as_weak="yes"
4540         fi
4541         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
4542 fi
4543 AC_MSG_RESULT($gcc_cv_as_weak)
4544
4545 AC_MSG_CHECKING(assembler hidden support)
4546 gcc_cv_as_hidden=
4547 if test x$gcc_cv_as != x; then
4548         # Check if we have .hidden
4549         echo "  .hidden foobar" > conftest.s
4550         echo "foobar:" >> conftest.s
4551         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4552                 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
4553                         [Define if your assembler supports .hidden.])
4554                 gcc_cv_as_hidden="yes"
4555         fi
4556         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
4557 fi
4558 AC_MSG_RESULT($gcc_cv_as_hidden)
4559
4560 case "$target" in
4561   sparc*-*-*)
4562     AC_CACHE_CHECK([assembler .register pseudo-op support],
4563         gcc_cv_as_register_pseudo_op, [
4564         gcc_cv_as_register_pseudo_op=unknown
4565         if test x$gcc_cv_as != x; then
4566             # Check if we have .register
4567             echo ".register %g2, #scratch" > conftest.s
4568             if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4569                 gcc_cv_as_register_pseudo_op=yes
4570             else
4571                 gcc_cv_as_register_pseudo_op=no
4572             fi
4573             rm -f conftest.s conftest.o
4574         fi
4575     ])
4576     if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
4577         AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
4578                 [Define if your assembler supports .register.])
4579     fi
4580
4581     AC_CACHE_CHECK([assembler supports -relax],
4582         gcc_cv_as_relax_opt, [
4583         gcc_cv_as_relax_opt=unknown
4584         if test x$gcc_cv_as != x; then
4585             # Check if gas supports -relax
4586             echo ".text" > conftest.s
4587             if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
4588                 gcc_cv_as_relax_opt=yes
4589             else
4590                 gcc_cv_as_relax_opt=no
4591             fi
4592             rm -f conftest.s conftest.o
4593         fi
4594     ])
4595     if test "x$gcc_cv_as_relax_opt" = xyes; then
4596         AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
4597                 [Define if your assembler supports -relax option.])
4598     fi
4599
4600     case "$tm_file" in
4601     *64*)
4602         AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],
4603             gcc_cv_as_flags64, [
4604                 if test -n "$gcc_cv_as"; then
4605                     echo ".xword foo" > conftest.s
4606                     gcc_cv_as_flags64=no
4607                     for flag in "-xarch=v9" "-64 -Av9"; do
4608                         if $gcc_cv_as $flag -o conftest.o conftest.s \
4609                             > /dev/null 2>&1; then
4610                             gcc_cv_as_flags64=$flag
4611                             break
4612                         fi
4613                     done
4614                     rm -f conftest.s conftest.o
4615                 else
4616                     if test "$gas" = yes; then
4617                         gcc_cv_as_flags64="-64 -Av9"
4618                     else
4619                         gcc_cv_as_flags64="-xarch=v9"
4620                     fi
4621                 fi
4622         ])
4623         if test "x$gcc_cv_as_flags64" = xno; then
4624 changequote(, )
4625             tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
4626             dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
4627 changequote([, ])
4628         else
4629             AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64",
4630                         [Define if the assembler supports 64bit sparc.])
4631         fi
4632         ;;
4633     *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no}
4634         ;;
4635     esac
4636
4637     if test "x$gcc_cv_as_flags64" != xno; then
4638         AC_CACHE_CHECK([for assembler offsetable %lo() support],
4639             gcc_cv_as_offsetable_lo10, [
4640             gcc_cv_as_offsetable_lo10=unknown
4641             if test "x$gcc_cv_as" != x; then
4642                 # Check if assembler has offsetable %lo()
4643                 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
4644                 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
4645                 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
4646                         > /dev/null 2>&1 &&
4647                    $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
4648                         > /dev/null 2>&1; then
4649                     if cmp conftest.o conftest1.o > /dev/null 2>&1; then
4650                         gcc_cv_as_offsetable_lo10=no
4651                     else
4652                         gcc_cv_as_offsetable_lo10=yes
4653                     fi
4654                 else
4655                     gcc_cv_as_offsetable_lo10=no
4656                 fi
4657                 rm -f conftest.s conftest.o conftest1.s conftest1.o
4658             fi
4659         ])
4660         if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
4661             AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
4662                 [Define if your assembler supports offsetable %lo().])
4663         fi
4664     fi
4665     ;;
4666
4667 changequote(,)dnl
4668   i[34567]86-*-*)
4669 changequote([,])dnl
4670     AC_MSG_CHECKING(assembler instructions)
4671     gcc_cv_as_instructions=
4672     if test x$gcc_cv_as != x; then
4673         set "filds fists" "filds mem; fists mem"
4674         while test $# -gt 0
4675         do
4676                 echo "$2" > conftest.s
4677                 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
4678                         gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
4679                         AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$1" | tr '[a-z ]' '[A-Z_]'`)
4680                 fi
4681                 shift 2
4682         done
4683         rm -f conftest.s conftest.o
4684     fi
4685     AC_MSG_RESULT($gcc_cv_as_instructions)
4686     ;;
4687 esac
4688
4689 # Figure out what language subdirectories are present.
4690 # Look if the user specified --enable-languages="..."; if not, use
4691 # the environment variable $LANGUAGES if defined. $LANGUAGES might
4692 # go away some day.
4693 if test x"${enable_languages+set}" != xset; then
4694         if test x"${LANGUAGES+set}" = xset; then
4695                 enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
4696         else
4697                 enable_languages=all
4698         fi
4699 else
4700         if test x"${enable_languages}" = x; then
4701                 AC_MSG_ERROR([--enable-languages needs at least one argument])
4702         fi
4703 fi
4704 subdirs=
4705 for lang in ${srcdir}/*/config-lang.in ..
4706 do
4707         case $lang in
4708         ..) ;;
4709         # The odd quoting in the next line works around
4710         # an apparent bug in bash 1.12 on linux.
4711 changequote(,)dnl
4712         ${srcdir}/[*]/config-lang.in) ;;
4713         *)
4714           lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
4715           if test "x$lang_alias" = x
4716           then
4717                 echo "$lang doesn't set \$language." 1>&2
4718                 exit 1
4719           fi
4720           if test x"${enable_languages}" = xall; then
4721                 add_this_lang=yes
4722           else
4723                 case "${enable_languages}" in
4724                     ${lang_alias} | "${lang_alias},"* | *",${lang_alias},"* | *",${lang_alias}" )
4725                         add_this_lang=yes
4726                         ;;
4727                     * )
4728                         add_this_lang=no
4729                         ;;
4730                 esac
4731           fi
4732           if test x"${add_this_lang}" = xyes; then
4733                 case $lang in
4734                     ${srcdir}/ada/config-lang.in)
4735                         if test x$gnat = xyes ; then
4736                                 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
4737                         fi
4738                         ;;
4739                     *)
4740                         subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
4741                         ;;
4742                 esac
4743           fi
4744           ;;
4745 changequote([,])dnl
4746         esac
4747 done
4748
4749 # Make gthr-default.h if we have a thread file.
4750 gthread_flags=
4751 if test $thread_file != single; then
4752     rm -f gthr-default.h
4753     echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
4754     gthread_flags=-DHAVE_GTHR_DEFAULT
4755 fi
4756 AC_SUBST(gthread_flags)
4757
4758 # Find out what GC implementation we want, or may, use.
4759 AC_ARG_WITH(gc,
4760 [  --with-gc={simple,page} Choose the garbage collection mechanism to use
4761                            with the compiler.],
4762 [case "$withval" in
4763   simple | page)
4764     GGC=ggc-$withval
4765     ;;
4766   *)
4767     AC_MSG_ERROR([$withval is an invalid option to --with-gc])
4768     ;;
4769 esac],
4770 [if test $ac_cv_func_mmap_anywhere = yes \
4771     || test $ac_cv_func_valloc = yes; then
4772   GGC=ggc-page
4773 else
4774   GGC=ggc-simple
4775 fi])
4776 AC_SUBST(GGC)
4777 echo "Using $GGC for garbage collection."
4778
4779 # Build a new-abi (c++) system
4780 AC_ARG_ENABLE(new-gxx-abi,
4781 [  --enable-new-gxx-abi
4782                           select the new abi for g++. You must select an ABI
4783                           at configuration time, so that the correct runtime
4784                           support is built. You cannot mix ABIs.],
4785 [AC_DEFINE(ENABLE_NEW_GXX_ABI, 1,
4786         [Define if you want to always select the new-abi for g++.])
4787 GXX_ABI_FLAG='-fnew-abi'
4788 echo "Building a new-abi g++ compiler."
4789 ])
4790 AC_SUBST(GXX_ABI_FLAG)
4791
4792 # Build a new-libstdc++ system (ie libstdc++-v3)
4793 AC_MSG_CHECKING([for libstdc++ to install])
4794 AC_ARG_ENABLE(libstdcxx-v3,
4795 [  --enable-libstdcxx-v3
4796                           enable libstdc++-v3 for building and installation],
4797   [enable_libstdcxx_v3="$enableval"], [enable_libstdcxx_v3=no])
4798
4799 if test x$enable_libstdcxx_v3 = xyes; then
4800   AC_MSG_RESULT(v3)
4801   ac_esn=1
4802 else
4803   AC_MSG_RESULT(v2)
4804   ac_esn=0
4805 fi
4806 AC_DEFINE_UNQUOTED(ENABLE_STD_NAMESPACE, $ac_esn,
4807   [Define to 1 if you want to enable namespaces (-fhonor-std) by default.])
4808
4809 dnl Very limited version of automake's enable-maintainer-mode
4810
4811 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
4812   dnl maintainer-mode is disabled by default
4813   AC_ARG_ENABLE(maintainer-mode,
4814 [  --enable-maintainer-mode enable make rules and dependencies not useful
4815                           (and sometimes confusing) to the casual installer],
4816       maintainer_mode=$enableval,
4817       maintainer_mode=no)
4818
4819 AC_MSG_RESULT($maintainer_mode)
4820
4821 if test "$maintainer_mode" = "yes"; then
4822   MAINT=''
4823 else
4824   MAINT='#'
4825 fi
4826 AC_SUBST(MAINT)dnl
4827
4828 # Make empty files to contain the specs and options for each language.
4829 # Then add #include lines to for a compiler that has specs and/or options.
4830
4831 lang_specs_files=
4832 lang_options_files=
4833 lang_tree_files=
4834 rm -f specs.h options.h gencheck.h
4835 touch specs.h options.h gencheck.h
4836 for subdir in . $subdirs
4837 do
4838         if test -f $srcdir/$subdir/lang-specs.h; then
4839                 echo "#include \"$subdir/lang-specs.h\"" >>specs.h
4840                 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
4841         fi
4842         if test -f $srcdir/$subdir/lang-options.h; then
4843                 echo "#include \"$subdir/lang-options.h\"" >>options.h
4844                 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
4845         fi
4846         if test -f $srcdir/$subdir/$subdir-tree.def; then
4847                 echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h
4848                 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
4849         fi
4850 done
4851
4852 # These (without "all_") are set in each config-lang.in.
4853 # `language' must be a single word so is spelled singularly.
4854 all_languages=
4855 all_boot_languages=
4856 all_compilers=
4857 all_stagestuff=
4858 all_diff_excludes=
4859 all_outputs='Makefile intl/Makefile po/Makefile.in fixinc/Makefile gccbug mklibgcc'
4860 # List of language makefile fragments.
4861 all_lang_makefiles=
4862 all_headers=
4863 all_lib2funcs=
4864
4865 # Add the language fragments.
4866 # Languages are added via two mechanisms.  Some information must be
4867 # recorded in makefile variables, these are defined in config-lang.in.
4868 # We accumulate them and plug them into the main Makefile.
4869 # The other mechanism is a set of hooks for each of the main targets
4870 # like `clean', `install', etc.
4871
4872 language_fragments="Make-lang"
4873 language_hooks="Make-hooks"
4874 oldstyle_subdirs=
4875
4876 for s in .. $subdirs
4877 do
4878         if test $s != ".."
4879         then
4880                 language=
4881                 boot_language=
4882                 compilers=
4883                 stagestuff=
4884                 diff_excludes=
4885                 headers=
4886                 outputs=
4887                 lib2funcs=
4888                 . ${srcdir}/$s/config-lang.in
4889                 if test "x$language" = x
4890                 then
4891                         echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
4892                         exit 1
4893                 fi
4894                 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in ${srcdir}/$s/Makefile.in"
4895                 all_languages="$all_languages $language"
4896                 if test "x$boot_language" = xyes
4897                 then
4898                         all_boot_languages="$all_boot_languages $language"
4899                 fi
4900                 all_compilers="$all_compilers $compilers"
4901                 all_stagestuff="$all_stagestuff $stagestuff"
4902                 all_diff_excludes="$all_diff_excludes $diff_excludes"
4903                 all_headers="$all_headers $headers"
4904                 all_outputs="$all_outputs $outputs"
4905                 if test x$outputs = x
4906                 then
4907                         oldstyle_subdirs="$oldstyle_subdirs $s"
4908                 fi
4909                 all_lib2funcs="$all_lib2funcs $lib2funcs"
4910         fi
4911 done
4912
4913 # Since we can't use `::' targets, we link each language in
4914 # with a set of hooks, reached indirectly via lang.${target}.
4915
4916 rm -f Make-hooks
4917 touch Make-hooks
4918 target_list="all.build all.cross start.encap rest.encap \
4919         info dvi \
4920         install-normal install-common install-info install-man \
4921         uninstall distdir \
4922         mostlyclean clean distclean extraclean maintainer-clean \
4923         stage1 stage2 stage3 stage4"
4924 for t in $target_list
4925 do
4926         x=
4927         for lang in .. $all_languages
4928         do
4929                 if test $lang != ".."; then
4930                         x="$x $lang.$t"
4931                 fi
4932         done
4933         echo "lang.$t: $x" >> Make-hooks
4934 done
4935
4936 # If we're not building in srcdir, create .gdbinit.
4937
4938 if test ! -f Makefile.in; then
4939         echo "dir ." > .gdbinit
4940         echo "dir ${srcdir}" >> .gdbinit
4941         if test x$gdb_needs_out_file_path = xyes
4942         then
4943                 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
4944         fi
4945         if test "x$subdirs" != x; then
4946                 for s in $subdirs
4947                 do
4948                         echo "dir ${srcdir}/$s" >> .gdbinit
4949                 done
4950         fi
4951         echo "source ${srcdir}/.gdbinit" >> .gdbinit
4952 fi
4953
4954 # Define variables host_canonical and build_canonical
4955 # because some Cygnus local changes in the Makefile depend on them.
4956 build_canonical=${build}
4957 host_canonical=${host}
4958 target_subdir=
4959 if test "${host}" != "${target}" ; then
4960     target_subdir=${target}/
4961 fi
4962 AC_SUBST(build_canonical)
4963 AC_SUBST(host_canonical)
4964 AC_SUBST(target_subdir)
4965
4966 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
4967 # absolute path for gcc_tooldir based on inserting the number of up-directory
4968 # movements required to get from $(exec_prefix) to $(prefix) into the basic
4969 # $(libsubdir)/@(unlibsubdir) based path.
4970 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
4971 # make and thus we'd get different behavior depending on where we built the
4972 # sources.
4973 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
4974     gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
4975 else
4976 changequote(<<, >>)dnl
4977 # An explanation of the sed strings:
4978 #  -e 's|^\$(prefix)||'   matches and eliminates 'prefix' from 'exec_prefix'
4979 #  -e 's|/$||'            match a trailing forward slash and eliminates it
4980 #  -e 's|^[^/]|/|'        forces the string to start with a forward slash (*)
4981 #  -e 's|/[^/]*|../|g'    replaces each occurance of /<directory> with ../
4982 #
4983 # (*) Note this pattern overwrites the first character of the string
4984 # with a forward slash if one is not already present.  This is not a
4985 # problem because the exact names of the sub-directories concerned is
4986 # unimportant, just the number of them matters.
4987 #
4988 # The practical upshot of these patterns is like this:
4989 #
4990 #  prefix     exec_prefix        result
4991 #  ------     -----------        ------
4992 #   /foo        /foo/bar          ../
4993 #   /foo/       /foo/bar          ../
4994 #   /foo        /foo/bar/         ../
4995 #   /foo/       /foo/bar/         ../
4996 #   /foo        /foo/bar/ugg      ../../
4997 #
4998     dollar='$$'
4999     gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
5000 changequote([, ])dnl
5001 fi
5002 AC_SUBST(gcc_tooldir)
5003 AC_SUBST(dollar)
5004
5005 # Nothing to do for FLOAT_H, float_format already handled.
5006 objdir=`pwd`
5007 AC_SUBST(objdir)
5008
5009 # Process the language and host/target makefile fragments.
5010 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
5011
5012 # Substitute configuration variables
5013 AC_SUBST(subdirs)
5014 AC_SUBST(all_boot_languages)
5015 AC_SUBST(all_compilers)
5016 AC_SUBST(all_diff_excludes)
5017 AC_SUBST(all_headers)
5018 AC_SUBST(all_lang_makefiles)
5019 AC_SUBST(all_languages)
5020 AC_SUBST(all_lib2funcs)
5021 AC_SUBST(all_stagestuff)
5022 AC_SUBST(build_exeext)
5023 AC_SUBST(build_install_headers_dir)
5024 AC_SUBST(build_xm_file_list)
5025 AC_SUBST(cc_set_by_configure)
5026 AC_SUBST(quoted_cc_set_by_configure)
5027 AC_SUBST(cpp_install_dir)
5028 AC_SUBST(dep_host_xmake_file)
5029 AC_SUBST(dep_tmake_file)
5030 AC_SUBST(extra_c_flags)
5031 AC_SUBST(extra_c_objs)
5032 AC_SUBST(extra_cpp_objs)
5033 AC_SUBST(extra_cxx_objs)
5034 AC_SUBST(extra_headers_list)
5035 AC_SUBST(extra_objs)
5036 AC_SUBST(extra_parts)
5037 AC_SUBST(extra_passes)
5038 AC_SUBST(extra_programs)
5039 AC_SUBST(float_h_file)
5040 AC_SUBST(gcc_gxx_include_dir)
5041 AC_SUBST(gcc_version)
5042 AC_SUBST(gcc_version_trigger)
5043 AC_SUBST(host_exeext)
5044 AC_SUBST(host_extra_gcc_objs)
5045 AC_SUBST(host_xm_file_list)
5046 AC_SUBST(install)
5047 AC_SUBST(lang_options_files)
5048 AC_SUBST(lang_specs_files)
5049 AC_SUBST(lang_tree_files)
5050 AC_SUBST(local_prefix)
5051 AC_SUBST(maybe_use_collect2)
5052 AC_SUBST(md_file)
5053 AC_SUBST(objc_boehm_gc)
5054 AC_SUBST(out_file)
5055 AC_SUBST(out_object_file)
5056 AC_SUBST(stage_prefix_set_by_configure)
5057 AC_SUBST(symbolic_link)
5058 AC_SUBST(thread_file)
5059 AC_SUBST(tm_file_list)
5060 AC_SUBST(will_use_collect2)
5061
5062
5063 AC_SUBST_FILE(target_overrides)
5064 AC_SUBST_FILE(host_overrides)
5065 AC_SUBST(cross_defines)
5066 AC_SUBST_FILE(cross_overrides)
5067 AC_SUBST_FILE(build_overrides)
5068 AC_SUBST_FILE(language_fragments)
5069 AC_SUBST_FILE(language_hooks)
5070
5071 # Echo that links are built
5072 if test x$host = x$target
5073 then
5074         str1="native "
5075 else
5076         str1="cross-"
5077         str2=" from $host"
5078 fi
5079
5080 if test x$host != x$build
5081 then
5082         str3=" on a $build system"
5083 fi
5084
5085 if test "x$str2" != x || test "x$str3" != x
5086 then
5087         str4=
5088 fi
5089
5090 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
5091
5092 if test "x$str2" != x || test "x$str3" != x
5093 then
5094         echo " ${str2}${str3}." 1>&2
5095 fi
5096
5097 # Truncate the target if necessary
5098 if test x$host_truncate_target != x; then
5099         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
5100 fi
5101
5102 # Configure the subdirectories
5103 # AC_CONFIG_SUBDIRS($subdirs)
5104
5105 # Create the Makefile
5106 # and configure language subdirectories
5107 AC_OUTPUT($all_outputs,
5108 [
5109 . $srcdir/configure.lang
5110 case x$CONFIG_HEADERS in
5111 xauto-host.h:config.in)
5112 echo > cstamp-h ;;
5113 esac
5114 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
5115 # bootstrapping and the installation procedure can still use
5116 # CC="stage1/xgcc -Bstage1/".  If the host doesn't support symlinks,
5117 # FLAGS_TO_PASS has been modified to solve the problem there.
5118 # This is virtually a duplicate of what happens in configure.lang; we do
5119 # an extra check to make sure this only happens if ln -s can be used.
5120 if test "$symbolic_link" = "ln -s"; then
5121  for d in .. ${subdirs} ; do
5122    if test $d != ..; then
5123         STARTDIR=`pwd`
5124         cd $d
5125         for t in stage1 stage2 stage3 stage4 include
5126         do
5127                 rm -f $t
5128                 $symbolic_link ../$t $t 2>/dev/null
5129         done
5130         cd $STARTDIR
5131    fi
5132  done
5133 else true ; fi
5134 # Avoid having to add intl to our include paths.
5135 if test -f intl/libintl.h; then
5136   echo creating libintl.h
5137   echo '#include "intl/libintl.h"' >libintl.h
5138 fi
5139 ],
5140 [
5141 host='${host}'
5142 build='${build}'
5143 target='${target}'
5144 target_alias='${target_alias}'
5145 srcdir='${srcdir}'
5146 subdirs='${subdirs}'
5147 oldstyle_subdirs='${oldstyle_subdirs}'
5148 symbolic_link='${symbolic_link}'
5149 program_transform_set='${program_transform_set}'
5150 program_transform_name='${program_transform_name}'
5151 dep_host_xmake_file='${dep_host_xmake_file}'
5152 host_xmake_file='${host_xmake_file}'
5153 dep_tmake_file='${dep_tmake_file}'
5154 tmake_file='${tmake_file}'
5155 thread_file='${thread_file}'
5156 gcc_version='${gcc_version}'
5157 gcc_version_trigger='${gcc_version_trigger}'
5158 local_prefix='${local_prefix}'
5159 build_install_headers_dir='${build_install_headers_dir}'
5160 build_exeext='${build_exeext}'
5161 host_exeext='${host_exeext}'
5162 out_file='${out_file}'
5163 gdb_needs_out_file_path='${gdb_needs_out_file_path}'
5164 SET_MAKE='${SET_MAKE}'
5165 target_list='${target_list}'
5166 target_overrides='${target_overrides}'
5167 host_overrides='${host_overrides}'
5168 cross_defines='${cross_defines}'
5169 cross_overrides='${cross_overrides}'
5170 build_overrides='${build_overrides}'
5171 cpp_install_dir='${cpp_install_dir}'
5172 ])