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 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_INIT(tree.c)
  25 AC_CONFIG_HEADER(auto-host.h:config.in)
  26
  27 remove=rm
  28 hard_link=ln
  29 symbolic_link='ln -s'
  30 copy=cp
  31
  32 # Check for additional parameters
  33
  34 # With GNU ld
  35 AC_ARG_WITH(gnu-ld,
  36 [  --with-gnu-ld           arrange to work with GNU ld.],
  37 gnu_ld_flag="$with_gnu_ld",
  38 gnu_ld_flag=no)
  39
  40 # With GNU as
  41 AC_ARG_WITH(gnu-as,
  42 [  --with-gnu-as           arrange to work with GNU as.],
  43 gas_flag="$with_gnu_as",
  44 gas_flag=no)
  45
  46 # With stabs
  47 AC_ARG_WITH(stabs,
  48 [  --with-stabs            arrange to use stabs instead of host debug format.],
  49 stabs="$with_stabs",
  50 stabs=no)
  51
  52 # With ELF
  53 AC_ARG_WITH(elf,
  54 [  --with-elf              arrange to use ELF instead of host debug format.],
  55 elf="$with_elf",
  56 elf=no)
  57
  58 # Specify the local prefix
  59 AC_ARG_WITH(local-prefix,
  60 [  --with-local-prefix=DIR specifies directory to put local include.],
  61 local_prefix=$with_local_prefix,
  62 local_prefix=/usr/local)
  63
  64 # Default local prefix if it is empty
  65 if [[ x$local_prefix = x ]]; then
  66         local_prefix=/usr/local
  67 fi
  68
  69 # Specify the g++ header file directory
  70 AC_ARG_WITH(gxx-include-dir,
  71 [  --with-gxx-include-dir=DIR
  72                           specifies directory to put g++ header files.],
  73 gxx_include_dir=$with_gxx_include_dir,
  74 gxx_include_dir='${prefix}/include/g++')
  75
  76 # Default g++ header file directory if it is empty
  77 if [[ x$gxx_include_dir = x ]]; then
  78         gxx_include_dir='${prefix}/include/g++'
  79 fi
  80
  81 # Enable use of cpplib for C.
  82 AC_ARG_ENABLE(c-cpplib,
  83 [  --enable-c-cpplib       Use cpplib for C.],
  84 if [[[ x$enable_c_cpplib != xno ]]]; then
  85   extra_c_objs="${extra_c_objs} cpplib.o cppexp.o cpphash.o cpperror.o"
  86   extra_c_flags=-DUSE_CPPLIB=1
  87 fi)
  88
  89 # Enable Haifa scheduler.
  90 AC_ARG_ENABLE(haifa,
  91 [  --enable-haifa          Use the experimental scheduler.
  92   --disable-haifa         Don't use the experimental scheduler for the
  93                           targets which normally enable it.])
  94 # Fast fixincludes
  95 #
  96 # This is a work in progress...
  97 AC_ARG_WITH(fast-fixincludes,
  98 [  --with-fast-fixincludes    Use a faster fixinclude program.  Experimental],
  99 fast_fixinc="$with_fast_fixincludes",
 100 fast_fixinc=no)
 101
 102 # Enable threads
 103 # Pass with no value to take the default
 104 # Pass with a value to specify a thread package
 105 AC_ARG_ENABLE(threads,
 106 [  --enable-threads        enable thread usage for target GCC.
 107   --enable-threads=LIB    use LIB thread package for target GCC.],
 108 if [[[ x$enable_threads = xno ]]]; then
 109         enable_threads=''
 110 fi,
 111 enable_threads='')
 112
 113 # Check if a valid thread package
 114 case x${enable_threads} in
 115         x | xno)
 116                 # No threads
 117                 target_thread_file='single'
 118                 ;;
 119         xyes)
 120                 # default
 121                 target_thread_file=''
 122                 ;;
 123         xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
 124         xsolaris | xwin32 | xdce | xvxworks)
 125                 target_thread_file=$enable_threads
 126                 ;;
 127         *)
 128                 echo "$enable_threads is an unknown thread package" 1>&2
 129                 exit 1
 130                 ;;
 131 esac
 132
 133 # Determine the host, build, and target systems
 134 AC_CANONICAL_SYSTEM
 135
 136 # Find the native compiler
 137 AC_PROG_CC
 138 AC_PROG_MAKE_SET
 139
 140 # Find some useful tools
 141 AC_PROG_AWK
 142 AC_PROG_LEX
 143 GCC_PROG_LN
 144 GCC_PROG_LN_S
 145 AC_PROG_RANLIB
 146 AC_PROG_YACC
 147 EGCS_PROG_INSTALL
 148
 149 AC_HEADER_STDC
 150 AC_HEADER_TIME
 151 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h fcntl.h unistd.h sys/file.h sys/time.h sys/resource.h sys/param.h sys/times.h varargs.h sys/varargs.h wait.h sys/wait.h)
 152
 153 # Check for thread headers.
 154 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
 155 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
 156
 157 # See if the system preprocessor understands the ANSI C preprocessor
 158 # stringification operator.
 159 AC_MSG_CHECKING(whether cpp understands the stringify operator)
 160 AC_CACHE_VAL(gcc_cv_c_have_stringify,
 161 [AC_TRY_COMPILE(,
 162 [#define S(x)   #x
 163 char *test = S(foo);],
 164 gcc_cv_c_have_stringify=yes, gcc_cv_c_have_stringify=no)])
 165 AC_MSG_RESULT($gcc_cv_c_have_stringify)
 166 if test $gcc_cv_c_have_stringify = yes; then
 167   AC_DEFINE(HAVE_CPP_STRINGIFY)
 168 fi
 169
 170 # Use <inttypes.h> only if it exists,
 171 # doesn't clash with <sys/types.h>, and declares intmax_t.
 172 AC_MSG_CHECKING(for inttypes.h)
 173 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
 174 [AC_TRY_COMPILE(
 175   [#include <sys/types.h>
 176 #include <inttypes.h>],
 177   [intmax_t i = -1;],
 178   [AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H)
 179    gcc_cv_header_inttypes_h=yes],
 180   gcc_cv_header_inttypes_h=no)])
 181 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
 182
 183 AC_CHECK_FUNCS(strtoul bsearch strerror putenv popen vprintf bcopy bzero bcmp \
 184         index rindex strchr strrchr kill getrlimit setrlimit atoll atoq sysconf)
 185
 186 GCC_FUNC_PRINTF_PTR
 187
 188 GCC_NEED_DECLARATIONS(malloc realloc calloc free bcopy bzero bcmp \
 189         index rindex getenv atol sbrk abort)
 190
 191 AC_DECL_SYS_SIGLIST
 192
 193 # File extensions
 194 manext='.1'
 195 objext='.o'
 196 AC_SUBST(manext)
 197 AC_SUBST(objext)
 198
 199 build_xm_file=
 200 build_xm_defines=
 201 build_install_headers_dir=install-headers-tar
 202 build_exeext=
 203 host_xm_file=
 204 host_xm_defines=
 205 host_xmake_file=
 206 host_truncate_target=
 207 host_exeext=
 208
 209 # Decode the host machine, then the target machine.
 210 # For the host machine, we save the xm_file variable as host_xm_file;
 211 # then we decode the target machine and forget everything else
 212 # that came from the host machine.
 213 for machine in $build $host $target; do
 214
 215         out_file=
 216         xmake_file=
 217         tmake_file=
 218         extra_headers=
 219         extra_passes=
 220         extra_parts=
 221         extra_programs=
 222         extra_objs=
 223         extra_host_objs=
 224         extra_gcc_objs=
 225         xm_defines=
 226         float_format=
 227         # Set this to force installation and use of collect2.
 228         use_collect2=
 229         # Set this to override the default target model.
 230         target_cpu_default=
 231         # Set this to control which fixincludes program to use.
 232         if [[ x$fast_fixinc != xyes ]] ; then
 233                 fixincludes=fixincludes
 234         else fixincludes=fixinc.sh ; fi
 235         # Set this to control how the header file directory is installed.
 236         install_headers_dir=install-headers-tar
 237         # Set this to a non-empty list of args to pass to cpp if the target
 238         # wants its .md file passed through cpp.
 239         md_cppflags=
 240         # Set this if directory names should be truncated to 14 characters.
 241         truncate_target=
 242         # Set this if gdb needs a dir command with `dirname $out_file`
 243         gdb_needs_out_file_path=
 244         # Set this if the build machine requires executables to have a
 245         # file name suffix.
 246         exeext=
 247         # Set this to control which thread package will be used.
 248         thread_file=
 249         # Reinitialize these from the flag values every loop pass, since some
 250         # configure entries modify them.
 251         gas="$gas_flag"
 252         gnu_ld="$gnu_ld_flag"
 253
 254         # Set default cpu_type, tm_file and xm_file so it can be updated in
 255         # each machine entry.
 256         cpu_type=`echo $machine | sed 's/-.*$//'`
 257         case $machine in
 258         alpha*-*-*)
 259                 cpu_type=alpha
 260                 ;;
 261         arm*-*-*)
 262                 cpu_type=arm
 263                 ;;
 264         c*-convex-*)
 265                 cpu_type=convex
 266                 ;;
 267         i[[34567]]86-*-*)
 268                 cpu_type=i386
 269                 ;;
 270         hppa*-*-*)
 271                 cpu_type=pa
 272                 ;;
 273         m68000-*-*)
 274                 cpu_type=m68k
 275                 ;;
 276         mips*-*-*)
 277                 cpu_type=mips
 278                 ;;
 279         powerpc*-*-*)
 280                 cpu_type=rs6000
 281                 ;;
 282         pyramid-*-*)
 283                 cpu_type=pyr
 284                 ;;
 285         sparc*-*-*)
 286                 cpu_type=sparc
 287                 ;;
 288         esac
 289
 290         tm_file=${cpu_type}/${cpu_type}.h
 291         xm_file=${cpu_type}/xm-${cpu_type}.h
 292
 293         # Set the default macros to define for GNU/Linux systems.
 294         case $machine in
 295         *-*-linux-gnu*)
 296                 xm_defines="HAVE_ATEXIT POSIX NO_STAB_H BSTRING"
 297                 ;;
 298         esac
 299
 300         case $machine in
 301         # Support site-specific machine types.
 302         *local*)
 303                 cpu_type=`echo $machine | sed -e 's/-.*//'`
 304                 rest=`echo $machine | sed -e "s/$cpu_type-//"`
 305                 xm_file=${cpu_type}/xm-$rest.h
 306                 tm_file=${cpu_type}/$rest.h
 307                 if [[ -f $srcdir/config/${cpu_type}/x-$rest ]] ; \
 308                 then xmake_file=${cpu_type}/x-$rest; \
 309                 else true; \
 310                 fi
 311                 if [[ -f $srcdir/config/${cpu_type}/t-$rest ]] ; \
 312                 then tmake_file=${cpu_type}/t-$rest; \
 313                 else true; \
 314                 fi
 315                 ;;
 316         1750a-*-*)
 317                 ;;
 318         a29k-*-bsd* | a29k-*-sym1*)
 319                 tm_file="${tm_file} a29k/unix.h"
 320                 xm_defines=USG
 321                 xmake_file=a29k/x-unix
 322                 use_collect2=yes
 323                 ;;
 324         a29k-*-udi | a29k-*-coff)
 325                 tm_file="${tm_file} dbxcoff.h a29k/udi.h"
 326                 tmake_file=a29k/t-a29kbare
 327                 ;;
 328         a29k-wrs-vxworks*)
 329                 tm_file="${tm_file} dbxcoff.h a29k/udi.h a29k/vx29k.h"
 330                 tmake_file=a29k/t-vx29k
 331                 extra_parts="crtbegin.o crtend.o"
 332                 thread_file='vxworks'
 333                 ;;
 334         a29k-*-*)                       # Default a29k environment.
 335                 use_collect2=yes
 336                 ;;
 337         alpha*-*-linux-gnuecoff*)
 338                 tm_file="${tm_file} alpha/linux-ecoff.h alpha/linux.h"
 339                 xm_defines=USE_BFD
 340                 target_cpu_default="MASK_GAS"
 341                 gas=no
 342                 xmake_file=none
 343                 gas=yes gnu_ld=yes
 344                 ;;
 345         alpha*-*-linux-gnulibc1*)
 346                 tm_file="${tm_file} alpha/elf.h alpha/linux-elf.h alpha/linux.h"
 347                 xm_defines=USE_BFD
 348                 target_cpu_default="MASK_GAS"
 349                 tmake_file="t-linux t-linux-gnulibc1 alpha/t-linux alpha/t-crtbe"
 350                 extra_parts="crtbegin.o crtend.o"
 351                 xmake_file=none
 352                 gas=yes gnu_ld=yes
 353                 if [[ x$enable_threads = xyes ]]; then
 354                         thread_file='posix'
 355                 fi
 356                 ;;
 357         alpha*-*-linux-gnu*)
 358                 tm_file="${tm_file} alpha/elf.h alpha/linux-elf.h alpha/linux.h"
 359                 xm_defines=USE_BFD
 360                 target_cpu_default="MASK_GAS"
 361                 tmake_file="t-linux alpha/t-linux alpha/t-crtbe"
 362                 extra_parts="crtbegin.o crtend.o"
 363                 xmake_file=none
 364                 fixincludes=Makefile.in
 365                 gas=yes gnu_ld=yes
 366                 if [[ x$enable_threads = xyes ]]; then
 367                         thread_file='posix'
 368                 fi
 369                 ;;
 370         alpha*-dec-osf*)
 371                 if [[ x$stabs = xyes ]]
 372                 then
 373                         tm_file="${tm_file} dbx.h"
 374                 fi
 375                 if [[ x$gas != xyes ]]
 376                 then
 377                         extra_passes="mips-tfile mips-tdump"
 378                 fi
 379                 use_collect2=yes
 380                 case $machine in
 381                   *-*-osf1*)
 382                     tm_file="${tm_file} alpha/osf.h alpha/osf12.h alpha/osf2or3.h"
 383                     ;;
 384                   *-*-osf[[23]]*)
 385                     tm_file="${tm_file} alpha/osf.h alpha/osf2or3.h"
 386                     ;;
 387                   *-*-osf4*)
 388                     tm_file="${tm_file} alpha/osf.h"
 389                     # Some versions of OSF4 (specifically X4.0-9 296.7) have
 390                     # a broken tar, so we use cpio instead.
 391                     install_headers_dir=install-headers-cpio
 392                     ;;
 393                 esac
 394                 case $machine in
 395                   *-*-osf4.0[[b-z]] | *-*-osf4.[[1-9]]*)
 396                     target_cpu_default=MASK_SUPPORT_ARCH
 397                     ;;
 398                 esac
 399                 ;;
 400         alpha*-*-winnt*)
 401                 tm_file="${tm_file} alpha/win-nt.h"
 402                 xm_file="${xm_file} config/winnt/xm-winnt.h alpha/xm-winnt.h"
 403                 tmake_file=t-libc-ok
 404                 xmake_file=winnt/x-winnt
 405                 extra_host_objs=oldnames.o
 406                 extra_gcc_objs="spawnv.o oldnames.o"
 407                 fixincludes=fixinc.winnt
 408                 if [[ x$gnu_ld != xyes ]]
 409                 then
 410                         extra_programs=ld.exe
 411                 fi
 412                 if [[ x$enable_threads = xyes ]]; then
 413                         thread_file='win32'
 414                 fi
 415                 ;;
 416         alpha*-dec-vms*)
 417                 tm_file=alpha/vms.h
 418                 xm_file="${xm_file} alpha/xm-vms.h"
 419                 tmake_file=alpha/t-vms
 420                 fixincludes=Makefile.in
 421                 ;;
 422         arc-*-elf*)
 423                 extra_parts="crtinit.o crtfini.o"
 424                 ;;
 425         arm-*-coff* | armel-*-coff*)
 426                 tm_file=arm/coff.h
 427                 tmake_file=arm/t-bare
 428                 ;;
 429         arm-*-riscix1.[[01]]*)          # Acorn RISC machine (early versions)
 430                 tm_file=arm/riscix1-1.h
 431                 use_collect2=yes
 432                 ;;
 433         arm-*-riscix*)                  # Acorn RISC machine
 434                 if [[ x$gas = xyes ]]
 435                 then
 436                     tm_file=arm/rix-gas.h
 437                 else
 438                     tm_file=arm/riscix.h
 439                 fi
 440                 xmake_file=arm/x-riscix
 441                 tmake_file=arm/t-riscix
 442                 use_collect2=yes
 443                 ;;
 444         arm-semi-aout | armel-semi-aout)
 445                 tm_file=arm/semi.h
 446                 tmake_file=arm/t-semi
 447                 fixincludes=Makefile.in # There is nothing to fix
 448                 ;;
 449         arm-semi-aof | armel-semi-aof)
 450                 tm_file=arm/semiaof.h
 451                 tmake_file=arm/t-semiaof
 452                 fixincludes=Makefile.in # There is nothing to fix
 453                 ;;
 454         arm-*-netbsd*)
 455                 tm_file=arm/netbsd.h
 456                 xm_file="xm-siglist.h ${xm_file}"
 457                 tmake_file="t-netbsd arm/t-netbsd"
 458                 # On NetBSD, the headers are already okay, except for math.h.
 459                 fixincludes=fixinc.math
 460                 ;;
 461         arm-*-linux-gnuaout*)           # ARM GNU/Linux
 462                 cpu_type=arm
 463                 xmake_file=x-linux
 464                 tm_file=arm/linux-gas.h
 465                 tmake_file=arm/t-linux
 466                 fixincludes=Makefile.in
 467                 gnu_ld=yes
 468                 ;;
 469         arm-*-aout)
 470                 tm_file=arm/aout.h
 471                 tmake_file=arm/t-bare
 472                 ;;
 473         c1-convex-*)                    # Convex C1
 474                 target_cpu_default=1
 475                 use_collect2=yes
 476                 fixincludes=Makefile.in
 477                 ;;
 478         c2-convex-*)                    # Convex C2
 479                 target_cpu_default=2
 480                 use_collect2=yes
 481                 fixincludes=Makefile.in
 482                 ;;
 483         c32-convex-*)
 484                 target_cpu_default=4
 485                 use_collect2=yes
 486                 fixincludes=Makefile.in
 487                 ;;
 488         c34-convex-*)
 489                 target_cpu_default=8
 490                 use_collect2=yes
 491                 fixincludes=Makefile.in
 492                 ;;
 493         c38-convex-*)
 494                 target_cpu_default=16
 495                 use_collect2=yes
 496                 fixincludes=Makefile.in
 497                 ;;
 498         clipper-intergraph-clix*)
 499                 tm_file="${tm_file} svr3.h clipper/clix.h"
 500                 xm_file=clipper/xm-clix.h
 501                 xmake_file=clipper/x-clix
 502                 extra_headers=va-clipper.h
 503                 extra_parts="crtbegin.o crtend.o"
 504                 install_headers_dir=install-headers-cpio
 505                 ;;
 506         dsp16xx-*)
 507                 ;;
 508         elxsi-elxsi-*)
 509                 use_collect2=yes
 510                 ;;
 511 # This hasn't been upgraded to GCC 2.
 512 #       fx80-alliant-*)                 # Alliant FX/80
 513 #               ;;
 514         h8300-*-*)
 515                 float_format=i32
 516                 ;;
 517         hppa1.1-*-pro*)
 518                 tm_file="pa/pa-pro.h ${tm_file} pa/pa-pro-end.h libgloss.h"
 519                 xm_file=pa/xm-papro.h
 520                 tmake_file=pa/t-pro
 521                 ;;
 522         hppa1.1-*-osf*)
 523                 target_cpu_default=1
 524                 tm_file="${tm_file} pa/pa-osf.h"
 525                 use_collect2=yes
 526                 fixincludes=Makefile.in
 527                 ;;
 528         hppa1.1-*-rtems*)
 529                 tm_file="pa/pa-pro.h ${tm_file} pa/pa-pro-end.h libgloss.h pa/rtems.h"
 530                 xm_file=pa/xm-papro.h
 531                 tmake_file=pa/t-pro
 532                 ;;
 533         hppa1.0-*-osf*)
 534                 tm_file="${tm_file} pa/pa-osf.h"
 535                 use_collect2=yes
 536                 fixincludes=Makefile.in
 537                 ;;
 538         hppa1.1-*-bsd*)
 539                 target_cpu_default=1
 540                 use_collect2=yes
 541                 fixincludes=Makefile.in
 542                 ;;
 543         hppa1.0-*-bsd*)
 544                 use_collect2=yes
 545                 fixincludes=Makefile.in
 546                 ;;
 547         hppa1.0-*-hpux7*)
 548                 tm_file="pa/pa-oldas.h ${tm_file} pa/pa-hpux7.h"
 549                 xm_file=pa/xm-pahpux.h
 550                 xmake_file=pa/x-pa-hpux
 551                 if [[ x$gas = xyes ]]
 552                 then
 553                         tm_file="${tm_file} pa/gas.h"
 554                 fi
 555                 install_headers_dir=install-headers-cpio
 556                 use_collect2=yes
 557                 ;;
 558         hppa1.0-*-hpux8.0[[0-2]]*)
 559                 tm_file="${tm_file} pa/pa-hpux.h"
 560                 xm_file=pa/xm-pahpux.h
 561                 xmake_file=pa/x-pa-hpux
 562                 if [[ x$gas = xyes ]]
 563                 then
 564                         tm_file="${tm_file} pa/pa-gas.h"
 565                 else
 566                         tm_file="pa/pa-oldas.h ${tm_file}"
 567                 fi
 568                 install_headers_dir=install-headers-cpio
 569                 use_collect2=yes
 570                 ;;
 571         hppa1.1-*-hpux8.0[[0-2]]*)
 572                 target_cpu_default=1
 573                 tm_file="${tm_file} pa/pa-hpux.h"
 574                 xm_file=pa/xm-pahpux.h
 575                 xmake_file=pa/x-pa-hpux
 576                 if [[ x$gas = xyes ]]
 577                 then
 578                         tm_file="${tm_file} pa/pa-gas.h"
 579                 else
 580                         tm_file="pa/pa-oldas.h ${tm_file}"
 581                 fi
 582                 install_headers_dir=install-headers-cpio
 583                 use_collect2=yes
 584                 ;;
 585         hppa1.1-*-hpux8*)
 586                 target_cpu_default=1
 587                 tm_file="${tm_file} pa/pa-hpux.h"
 588                 xm_file=pa/xm-pahpux.h
 589                 xmake_file=pa/x-pa-hpux
 590                 if [[ x$gas = xyes ]]
 591                 then
 592                         tm_file="${tm_file} pa/pa-gas.h"
 593                 fi
 594                 install_headers_dir=install-headers-cpio
 595                 use_collect2=yes
 596                 ;;
 597         hppa1.0-*-hpux8*)
 598                 tm_file="${tm_file} pa/pa-hpux.h"
 599                 xm_file=pa/xm-pahpux.h
 600                 xmake_file=pa/x-pa-hpux
 601                 if [[ x$gas = xyes ]]
 602                 then
 603                         tm_file="${tm_file} pa/pa-gas.h"
 604                 fi
 605                 install_headers_dir=install-headers-cpio
 606                 use_collect2=yes
 607                 ;;
 608         hppa1.1-*-hpux10*)
 609                 target_cpu_default=1
 610                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux10.h"
 611                 xm_file=pa/xm-pahpux.h
 612                 xmake_file=pa/x-pa-hpux
 613                 tmake_file=pa/t-pa
 614                 if [[ x$gas = xyes ]]
 615                 then
 616                         tm_file="${tm_file} pa/pa-gas.h"
 617                 fi
 618                 if [[ x$enable_threads = x ]]; then
 619                     enable_threads=$have_pthread_h
 620                 fi
 621                 if [[ x$enable_threads = xyes ]]; then
 622                         thread_file='dce'
 623                         tmake_file="${tmake_file} pa/t-dce-thr"
 624                 fi
 625                 install_headers_dir=install-headers-cpio
 626                 use_collect2=yes
 627                 ;;
 628         hppa1.0-*-hpux10*)
 629                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux10.h"
 630                 xm_file=pa/xm-pahpux.h
 631                 xmake_file=pa/x-pa-hpux
 632                 if [[ x$gas = xyes ]]
 633                 then
 634                         tm_file="${tm_file} pa/pa-gas.h"
 635                 fi
 636                 if [[ x$enable_threads = x ]]; then
 637                     enable_threads=$have_pthread_h
 638                 fi
 639                 if [[ x$enable_threads = xyes ]]; then
 640                         thread_file='dce'
 641                         tmake_file="${tmake_file} pa/t-dce-thr"
 642                 fi
 643                 install_headers_dir=install-headers-cpio
 644                 use_collect2=yes
 645                 ;;
 646         hppa1.1-*-hpux*)
 647                 target_cpu_default=1
 648                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux9.h"
 649                 xm_file=pa/xm-pahpux.h
 650                 xmake_file=pa/x-pa-hpux
 651                 if [[ x$gas = xyes ]]
 652                 then
 653                         tm_file="${tm_file} pa/pa-gas.h"
 654                 fi
 655                 install_headers_dir=install-headers-cpio
 656                 use_collect2=yes
 657                 ;;
 658         hppa1.0-*-hpux*)
 659                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux9.h"
 660                 xm_file=pa/xm-pahpux.h
 661                 xmake_file=pa/x-pa-hpux
 662                 if [[ x$gas = xyes ]]
 663                 then
 664                         tm_file="${tm_file} pa/pa-gas.h"
 665                 fi
 666                 install_headers_dir=install-headers-cpio
 667                 use_collect2=yes
 668                 ;;
 669         hppa1.1-*-hiux*)
 670                 target_cpu_default=1
 671                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hiux.h"
 672                 xm_file=pa/xm-pahpux.h
 673                 xmake_file=pa/x-pa-hpux
 674                 if [[ x$gas = xyes ]]
 675                 then
 676                         tm_file="${tm_file} pa/pa-gas.h"
 677                 fi
 678                 install_headers_dir=install-headers-cpio
 679                 use_collect2=yes
 680                 ;;
 681         hppa1.0-*-hiux*)
 682                 tm_file="${tm_file} pa/pa-hpux.h pa/pa-hiux.h"
 683                 xm_file=pa/xm-pahpux.h
 684                 xmake_file=pa/x-pa-hpux
 685                 if [[ x$gas = xyes ]]
 686                 then
 687                         tm_file="${tm_file} pa/pa-gas.h"
 688                 fi
 689                 install_headers_dir=install-headers-cpio
 690                 use_collect2=yes
 691                 ;;
 692         hppa*-*-lites*)
 693                 target_cpu_default=1
 694                 use_collect2=yes
 695                 fixincludes=Makefile.in
 696                 ;;
 697         i370-*-mvs*)
 698                 ;;
 699         i[[34567]]86-ibm-aix*)          # IBM PS/2 running AIX
 700                 if [[ x$gas = xyes ]]
 701                 then
 702                         tm_file=i386/aix386.h
 703                         extra_parts="crtbegin.o crtend.o"
 704                         tmake_file=i386/t-crtstuff
 705                 else
 706                         tm_file=i386/aix386ng.h
 707                         use_collect2=yes
 708                 fi
 709                 xm_file="xm-alloca.h i386/xm-aix.h ${xm_file}"
 710                 xm_defines=USG
 711                 xmake_file=i386/x-aix
 712                 ;;
 713         i[[34567]]86-ncr-sysv4*)        # NCR 3000 - ix86 running system V.4
 714                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
 715                 xm_defines="USG POSIX SMALL_ARG_MAX"
 716                 xmake_file=i386/x-ncr3000
 717                 if [[ x$stabs = xyes -a x$gas = xyes ]]
 718                 then
 719                         tm_file=i386/sysv4gdb.h
 720                 else
 721                         tm_file=i386/sysv4.h
 722                 fi
 723                 extra_parts="crtbegin.o crtend.o"
 724                 tmake_file=i386/t-crtpic
 725                 ;;
 726         i[[34567]]86-next-*)
 727                 tm_file=i386/next.h
 728                 xm_file=i386/xm-next.h
 729                 tmake_file=i386/t-next
 730                 xmake_file=i386/x-next
 731                 extra_objs=nextstep.o
 732                 if [[ x$enable_threads = xyes ]]; then
 733                         thread_file='mach'
 734                 fi
 735                 ;;
 736         i[[34567]]86-sequent-bsd*)              # 80386 from Sequent
 737                 use_collect2=yes
 738                 if [[ x$gas = xyes ]]
 739                 then
 740                         tm_file=i386/seq-gas.h
 741                 else
 742                         tm_file=i386/sequent.h
 743                 fi
 744                 ;;
 745         i[[34567]]86-sequent-ptx1*)
 746                 xm_defines="USG SVR3"
 747                 xmake_file=i386/x-sysv3
 748                 tm_file=i386/seq-sysv3.h
 749                 tmake_file=i386/t-crtstuff
 750                 fixincludes=fixinc.ptx
 751                 extra_parts="crtbegin.o crtend.o"
 752                 install_headers_dir=install-headers-cpio
 753                 ;;
 754         i[[34567]]86-sequent-ptx2* | i[[34567]]86-sequent-sysv3*)
 755                 xm_defines="USG SVR3"
 756                 xmake_file=i386/x-sysv3
 757                 tm_file=i386/seq2-sysv3.h
 758                 tmake_file=i386/t-crtstuff
 759                 extra_parts="crtbegin.o crtend.o"
 760                 fixincludes=fixinc.ptx
 761                 install_headers_dir=install-headers-cpio
 762                 ;;
 763         i[[34567]]86-sequent-ptx4* | i[[34567]]86-sequent-sysv4*)
 764                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
 765                 xm_defines="USG POSIX SMALL_ARG_MAX"
 766                 xmake_file=x-svr4
 767                 tm_file=i386/ptx4-i.h
 768                 tmake_file=t-svr4
 769                 extra_parts="crtbegin.o crtend.o"
 770                 fixincludes=fixinc.ptx
 771                 install_headers_dir=install-headers-cpio
 772                 ;;
 773         i386-sun-sunos*)                # Sun i386 roadrunner
 774                 xm_defines=USG
 775                 tm_file=i386/sun.h
 776                 use_collect2=yes
 777                 ;;
 778         i[[34567]]86-wrs-vxworks*)
 779                 tm_file=i386/vxi386.h
 780                 tmake_file=i386/t-i386bare
 781                 ;;
 782         i[[34567]]86-*-aout*)
 783                 tm_file=i386/i386-aout.h
 784                 tmake_file=i386/t-i386bare
 785                 ;;
 786         i[[34567]]86-*-bsdi* | i[[34567]]86-*-bsd386*)
 787                 tm_file=i386/bsd386.h
 788 #               tmake_file=t-libc-ok
 789                 ;;
 790         i[[34567]]86-*-bsd*)
 791                 tm_file=i386/386bsd.h
 792 #               tmake_file=t-libc-ok
 793 # Next line turned off because both 386BSD and BSD/386 use GNU ld.
 794 #               use_collect2=yes
 795                 ;;
 796         i[[34567]]86-*-freebsdelf*)
 797                 tm_file="i386/i386.h i386/att.h linux.h i386/freebsd-elf.h i386/perform.h"
 798                 # On FreeBSD, the headers are already ok, except for math.h.
 799                 fixincludes=fixinc.math
 800                 tmake_file=i386/t-freebsd
 801                 gas=yes
 802                 gnu_ld=yes
 803                 stabs=yes
 804                 ;;
 805         i[[34567]]86-*-freebsd*)
 806                 tm_file=i386/freebsd.h
 807                 # On FreeBSD, the headers are already ok, except for math.h.
 808                 fixincludes=fixinc.math
 809                 tmake_file=i386/t-freebsd
 810                 ;;
 811         i[[34567]]86-*-netbsd*)
 812                 tm_file=i386/netbsd.h
 813                 # On NetBSD, the headers are already okay, except for math.h.
 814                 fixincludes=fixinc.math
 815                 tmake_file=t-netbsd
 816                 ;;
 817         i[[34567]]86-*-coff*)
 818                 tm_file=i386/i386-coff.h
 819                 tmake_file=i386/t-i386bare
 820                 ;;
 821         i[[34567]]86-*-isc*)            # 80386 running ISC system
 822                 xm_file="${xm_file} i386/xm-isc.h"
 823                 xm_defines="USG SVR3"
 824                 case $machine in
 825                   i[[34567]]86-*-isc[[34]]*)
 826                     xmake_file=i386/x-isc3
 827                     ;;
 828                   *)
 829                     xmake_file=i386/x-isc
 830                     ;;
 831                 esac
 832                 if [[ x$gas = xyes -a x$stabs = xyes ]]
 833                 then
 834                         tm_file=i386/iscdbx.h
 835                         tmake_file=i386/t-svr3dbx
 836                         extra_parts="svr3.ifile svr3z.ifile"
 837                 else
 838                         tm_file=i386/isccoff.h
 839                         tmake_file=i386/t-crtstuff
 840                         extra_parts="crtbegin.o crtend.o"
 841                 fi
 842                 install_headers_dir=install-headers-cpio
 843                 ;;
 844         i[[34567]]86-*-linux-gnuoldld*) # Intel 80386's running GNU/Linux
 845                                         # with a.out format using
 846                                         # pre BFD linkers
 847                 xmake_file=x-linux-aout
 848                 tmake_file="t-linux-aout i386/t-crtstuff"
 849                 tm_file=i386/linux-oldld.h
 850                 fixincludes=Makefile.in #On Linux, the headers are ok already.
 851                 gnu_ld=yes
 852                 ;;
 853         i[[34567]]86-*-linux-gnuaout*)  # Intel 80386's running GNU/Linux
 854                                         # with a.out format
 855                 xmake_file=x-linux-aout
 856                 tmake_file="t-linux-aout i386/t-crtstuff"
 857                 tm_file=i386/linux-aout.h
 858                 fixincludes=Makefile.in #On Linux, the headers are ok already.
 859                 gnu_ld=yes
 860                 ;;
 861         i[[34567]]86-*-linux-gnulibc1)  # Intel 80386's running GNU/Linux
 862                                         # with ELF format using the
 863                                         # GNU/Linux C library 5
 864                 xmake_file=x-linux
 865                 tm_file=i386/linux.h
 866                 tmake_file="t-linux t-linux-gnulibc1 i386/t-crtstuff"
 867                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 868                 fixincludes=Makefile.in #On Linux, the headers are ok already.
 869                 gnu_ld=yes
 870                 if [[ x$enable_threads = xyes ]]; then
 871                         thread_file='single'
 872                 fi
 873                 ;;
 874         i[[34567]]86-*-linux-gnu*)      # Intel 80386's running GNU/Linux
 875                                         # with ELF format using glibc 2
 876                                         # aka GNU/Linux C library 6
 877                 xmake_file=x-linux
 878                 tm_file=i386/linux.h
 879                 tmake_file="t-linux i386/t-crtstuff"
 880                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
 881                 fixincludes=Makefile.in #On Linux, the headers are ok already.
 882                 gnu_ld=yes
 883                 if [[ x$enable_threads = xyes ]]; then
 884                         thread_file='posix'
 885                 fi
 886                 ;;
 887         i[[34567]]86-*-gnu*)
 888                 ;;
 889         i[[34567]]86-go32-msdos | i[[34567]]86-*-go32*)
 890                 xm_file=i386/xm-go32.h
 891                 tm_file=i386/go32.h
 892                 tmake_file=i386/t-go32
 893                 ;;
 894         i[[34567]]86-pc-msdosdjgpp*)
 895                 xm_file=i386/xm-go32.h
 896                 tm_file=i386/go32.h
 897                 tmake_file=i386/t-go32
 898                 gnu_ld=yes
 899                 gas=yes
 900                 ;;
 901         i[[34567]]86-moss-msdos* | i[[34567]]86-*-moss*)
 902                 tm_file=i386/moss.h
 903                 tmake_file=t-libc-ok
 904                 fixincludes=Makefile.in
 905                 gnu_ld=yes
 906                 gas=yes
 907                 ;;
 908         i[[34567]]86-*-lynxos*)
 909                 if [[ x$gas = xyes ]]
 910                 then
 911                         tm_file=i386/lynx.h
 912                 else
 913                         tm_file=i386/lynx-ng.h
 914                 fi
 915                 xm_file=i386/xm-lynx.h
 916                 tmake_file=i386/t-i386bare
 917                 xmake_file=x-lynx
 918                 ;;
 919         i[[34567]]86-*-mach*)
 920                 tm_file=i386/mach.h
 921 #               tmake_file=t-libc-ok
 922                 use_collect2=yes
 923                 ;;
 924         i[[34567]]86-*-osfrose*)                # 386 using OSF/rose
 925                 if [[ x$elf = xyes ]]
 926                 then
 927                         tm_file=i386/osfelf.h
 928                         use_collect2=
 929                 else
 930                         tm_file=i386/osfrose.h
 931                         use_collect2=yes
 932                 fi
 933                 xm_file="i386/xm-osf.h ${xm_file}"
 934                 xmake_file=i386/x-osfrose
 935                 tmake_file=i386/t-osf
 936                 extra_objs=halfpic.o
 937                 ;;
 938         i[[34567]]86-go32-rtems*)
 939                 cpu_type=i386
 940                 xm_file=i386/xm-go32.h
 941                 tm_file=i386/go32-rtems.h
 942                 tmake_file="i386/t-go32 t-rtems"
 943                 ;;
 944         i[[34567]]86-*-rtems*)
 945                 cpu_type=i386
 946                 tm_file=i386/rtems.h
 947                 tmake_file="i386/t-i386bare t-rtems"
 948                 ;;
 949         i[[34567]]86-*-sco3.2v5*)       # 80386 running SCO Open Server 5
 950                 xm_file="xm-siglist.h xm-alloca.h ${xm_file} i386/xm-sco5.h"
 951                 xm_defines="USG SVR3"
 952                 xmake_file=i386/x-sco5
 953                 fixincludes=fixinc.sco
 954                 install_headers_dir=install-headers-cpio
 955                 tm_file=i386/sco5.h
 956                 tmake_file=i386/t-sco5
 957                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
 958                 ;;
 959         i[[34567]]86-*-sco3.2v4*)       # 80386 running SCO 3.2v4 system
 960                 xm_file="${xm_file} i386/xm-sco.h"
 961                 xm_defines="USG SVR3 BROKEN_LDEXP SMALL_ARG_MAX NO_SYS_SIGLIST"
 962                 xmake_file=i386/x-sco4
 963                 fixincludes=fixinc.sco
 964                 install_headers_dir=install-headers-cpio
 965                 if [[ x$stabs = xyes ]]
 966                 then
 967                         tm_file=i386/sco4dbx.h
 968                         tmake_file=i386/t-svr3dbx
 969                         extra_parts="svr3.ifile svr3z.rfile"
 970                 else
 971                         tm_file=i386/sco4.h
 972                         tmake_file=i386/t-crtstuff
 973                         extra_parts="crtbegin.o crtend.o"
 974                 fi
 975                 truncate_target=yes
 976                 ;;
 977         i[[34567]]86-*-sco*)            # 80386 running SCO system
 978                 xm_file=i386/xm-sco.h
 979                 xmake_file=i386/x-sco
 980                 install_headers_dir=install-headers-cpio
 981                 if [[ x$stabs = xyes ]]
 982                 then
 983                         tm_file=i386/scodbx.h
 984                         tmake_file=i386/t-svr3dbx
 985                         extra_parts="svr3.ifile svr3z.rfile"
 986                 else
 987                         tm_file=i386/sco.h
 988                         extra_parts="crtbegin.o crtend.o"
 989                         tmake_file=i386/t-crtstuff
 990                 fi
 991                 truncate_target=yes
 992                 ;;
 993         i[[34567]]86-*-solaris2*)
 994                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
 995                 xm_defines="USG POSIX SMALL_ARG_MAX"
 996                 if [[ x$stabs = xyes ]]
 997                 then
 998                         tm_file=i386/sol2dbg.h
 999                 else
1000                         tm_file=i386/sol2.h
1001                 fi
1002                 tmake_file=i386/t-sol2
1003                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
1004                 xmake_file=x-svr4
1005                 case $machine in
1006                 *-*-solaris2.[[0-4]])
1007                         fixincludes=fixinc.svr4;;
1008                 *)
1009                         fixincludes=fixinc.math;;
1010                 esac
1011                 if [[ x$enable_threads = xyes ]]; then
1012                         thread_file='solaris'
1013                 fi
1014                 ;;
1015        i[[34567]]86-*-sysv5*)           # Intel x86 on System V Release 5
1016                xm_file=i386/xm-sysv4.h
1017                tm_file=i386/sysv4.h
1018                if [[ x$stabs = xyes ]]
1019                then
1020                        tm_file="${tm_file} dbx.h"
1021                fi
1022                tmake_file=i386/t-crtpic
1023                xmake_file=x-svr4
1024                extra_parts="crtbegin.o crtend.o"
1025                fixincludes=Makefile.in # The headers are just fine, thank you.
1026                ;;
1027         i[[34567]]86-*-sysv4*)          # Intel 80386's running system V.4
1028                 xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
1029                 xm_defines="USG POSIX SMALL_ARG_MAX"
1030                 tm_file=i386/sysv4.h
1031                 if [[ x$stabs = xyes ]]
1032                 then
1033                         tm_file="${tm_file} dbx.h"
1034                 fi
1035                 tmake_file=i386/t-crtpic
1036                 xmake_file=x-svr4
1037                 extra_parts="crtbegin.o crtend.o"
1038                 ;;
1039         i[[34567]]86-*-sysv*)           # Intel 80386's running system V
1040                 xm_defines="USG SVR3"
1041                 xmake_file=i386/x-sysv3
1042                 if [[ x$gas = xyes ]]
1043                 then
1044                         if [[ x$stabs = xyes ]]
1045                         then
1046                                 tm_file=i386/svr3dbx.h
1047                                 tmake_file=i386/t-svr3dbx
1048                                 extra_parts="svr3.ifile svr3z.rfile"
1049                         else
1050                                 tm_file=i386/svr3gas.h
1051                                 extra_parts="crtbegin.o crtend.o"
1052                                 tmake_file=i386/t-crtstuff
1053                         fi
1054                 else
1055                         tm_file=i386/sysv3.h
1056                         extra_parts="crtbegin.o crtend.o"
1057                         tmake_file=i386/t-crtstuff
1058                 fi
1059                 ;;
1060         i386-*-vsta)                    # Intel 80386's running VSTa kernel
1061                 xm_file=i386/xm-vsta.h
1062                 tm_file=i386/vsta.h
1063                 tmake_file=i386/t-vsta
1064                 xmake_file=i386/x-vsta
1065                 ;;
1066         i[[34567]]86-*-pe | i[[34567]]86-*-cygwin32)
1067                 xm_file="${xm_file} i386/xm-cygwin32.h"
1068                 tmake_file=i386/t-cygwin32
1069                 tm_file=i386/cygwin32.h
1070                 xmake_file=i386/x-cygwin32
1071                 extra_objs=winnt.o
1072                 fixincludes=Makefile.in
1073                 if [[ x$enable_threads = xyes ]]; then
1074                         thread_file='win32'
1075                 fi
1076                 exeext=.exe
1077                 ;;
1078         i[[34567]]86-*-mingw32*)
1079                 tm_file=i386/mingw32.h
1080                 xm_file="${xm_file} i386/xm-mingw32.h"
1081                 tmake_file=i386/t-cygwin32
1082                 extra_objs=winnt.o
1083                 xmake_file=i386/x-cygwin32
1084                 fixincludes=Makefile.in
1085                 if [[ x$enable_threads = xyes ]]; then
1086                         thread_file='win32'
1087                 fi
1088                 exeext=.exe
1089                 case $machine in
1090                         *mingw32msv*)
1091                                 ;;
1092                         *minwg32crt* | *mingw32*)
1093                                 tm_file="${tm_file} i386/crtdll.h"
1094                                 ;;
1095                 esac
1096                 ;;
1097         i[[34567]]86-*-winnt3*)
1098                 tm_file=i386/win-nt.h
1099                 out_file=i386/i386.c
1100                 xm_file="xm-winnt.h ${xm_file}"
1101                 xmake_file=winnt/x-winnt
1102                 tmake_file=i386/t-winnt
1103                 extra_host_objs="winnt.o oldnames.o"
1104                 extra_gcc_objs="spawnv.o oldnames.o"
1105                 fixincludes=fixinc.winnt
1106                 if [[ x$gnu_ld != xyes ]]
1107                 then
1108                         extra_programs=ld.exe
1109                 fi
1110                 if [[ x$enable_threads = xyes ]]; then
1111                         thread_file='win32'
1112                 fi
1113                 ;;
1114         i[[34567]]86-dg-dgux*)
1115                 xm_file="xm-alloca.h xm-siglist.h ${xm_file}"
1116                 xm_defines="USG POSIX"
1117                 out_file=i386/dgux.c
1118                 tm_file=i386/dgux.h
1119                 tmake_file=i386/t-dgux
1120                 xmake_file=i386/x-dgux
1121                 fixincludes=fixinc.dgux
1122                 install_headers_dir=install-headers-cpio
1123               ;;
1124         i860-alliant-*)         # Alliant FX/2800
1125                 tm_file="${tm_file} svr4.h i860/sysv4.h i860/fx2800.h"
1126                 xm_file="${xm_file}"
1127                 xmake_file=i860/x-fx2800
1128                 tmake_file=i860/t-fx2800
1129                 extra_parts="crtbegin.o crtend.o"
1130                 ;;
1131         i860-*-bsd*)
1132                 tm_file="${tm_file} i860/bsd.h"
1133                 if [[ x$gas = xyes ]]
1134                 then
1135                         tm_file="${tm_file} i860/bsd-gas.h"
1136                 fi
1137                 use_collect2=yes
1138                 ;;
1139         i860-*-mach*)
1140                 tm_file="${tm_file} i860/mach.h"
1141                 tmake_file=t-libc-ok
1142                 ;;
1143         i860-*-osf*)                    # Intel Paragon XP/S, OSF/1AD
1144                 tm_file="${tm_file} svr3.h i860/paragon.h"
1145                 xm_defines="USG SVR3"
1146                 tmake_file=t-osf
1147                 ;;
1148         i860-*-sysv3*)
1149                 tm_file="${tm_file} svr3.h i860/sysv3.h"
1150                 xm_defines="USG SVR3"
1151                 xmake_file=i860/x-sysv3
1152                 extra_parts="crtbegin.o crtend.o"
1153                 ;;
1154         i860-*-sysv4*)
1155                 tm_file="${tm_file} svr4.h i860/sysv4.h"
1156                 xm_defines="USG SVR3"
1157                 xmake_file=i860/x-sysv4
1158                 tmake_file=t-svr4
1159                 extra_parts="crtbegin.o crtend.o"
1160                 ;;
1161         i960-wrs-vxworks5 | i960-wrs-vxworks5.0*)
1162                 tm_file="${tm_file} i960/vx960.h"
1163                 tmake_file=i960/t-vxworks960
1164                 use_collect2=yes
1165                 thread_file='vxworks'
1166                 ;;
1167         i960-wrs-vxworks5* | i960-wrs-vxworks)
1168                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h i960/vx960-coff.h"
1169                 tmake_file=i960/t-vxworks960
1170                 use_collect2=yes
1171                 thread_file='vxworks'
1172                 ;;
1173         i960-wrs-vxworks*)
1174                 tm_file="${tm_file} i960/vx960.h"
1175                 tmake_file=i960/t-vxworks960
1176                 use_collect2=yes
1177                 thread_file='vxworks'
1178                 ;;
1179         i960-*-coff*)
1180                 tm_file="${tm_file} dbxcoff.h i960/i960-coff.h libgloss.h"
1181                 tmake_file=i960/t-960bare
1182                 use_collect2=yes
1183                 ;;
1184         i960-*-rtems)
1185                 tmake_file="i960/t-960bare t-rtems"
1186                 tm_file="${tm_file} dbxcoff.h i960/rtems.h"
1187                 use_collect2=yes
1188                 ;;
1189         i960-*-*)                       # Default i960 environment.
1190                 use_collect2=yes
1191                 ;;
1192         m32r-*-elf*)
1193                 extra_parts="crtinit.o crtfini.o"
1194                 ;;
1195         m68000-convergent-sysv*)
1196                 tm_file=m68k/ctix.h
1197                 xm_file="m68k/xm-3b1.h ${xm_file}"
1198                 xm_defines=USG
1199                 use_collect2=yes
1200                 extra_headers=math-68881.h
1201                 ;;
1202         m68000-hp-bsd*)                 # HP 9000/200 running BSD
1203                 tm_file=m68k/hp2bsd.h
1204                 xmake_file=m68k/x-hp2bsd
1205                 use_collect2=yes
1206                 extra_headers=math-68881.h
1207                 ;;
1208         m68000-hp-hpux*)                # HP 9000 series 300
1209                 xm_file="xm_alloca.h ${xm_file}"
1210                 xm_defines="USG NO_SYS_SIGLIST"
1211                 if [[ x$gas = xyes ]]
1212                 then
1213                         xmake_file=m68k/x-hp320g
1214                         tm_file=m68k/hp310g.h
1215                 else
1216                         xmake_file=m68k/x-hp320
1217                         tm_file=m68k/hp310.h
1218                 fi
1219                 install_headers_dir=install-headers-cpio
1220                 use_collect2=yes
1221                 extra_headers=math-68881.h
1222                 ;;
1223         m68000-sun-sunos3*)
1224                 tm_file=m68k/sun2.h
1225                 use_collect2=yes
1226                 extra_headers=math-68881.h
1227                 ;;
1228         m68000-sun-sunos4*)
1229                 tm_file=m68k/sun2o4.h
1230                 use_collect2=yes
1231                 extra_headers=math-68881.h
1232                 ;;
1233         m68000-att-sysv*)
1234                 xm_file="m68k/xm-3b1.h ${xm_file}"
1235                 xm_defines=USG
1236                 if [[ x$gas = xyes ]]
1237                 then
1238                         tm_file=m68k/3b1g.h
1239                 else
1240                         tm_file=m68k/3b1.h
1241                 fi
1242                 use_collect2=yes
1243                 extra_headers=math-68881.h
1244                 ;;
1245         m68k-apple-aux*)                # Apple Macintosh running A/UX
1246                 xm_defines="USG AUX"
1247                 tmake_file=m68k/t-aux
1248                 install_headers_dir=install-headers-cpio
1249                 extra_headers=math-68881.h
1250                 extra_parts="crt1.o mcrt1.o maccrt1.o crt2.o crtn.o"
1251                 tm_file=
1252                 if [[ "$gnu_ld" = yes ]]
1253                 then
1254                         tm_file="${tm_file} m68k/auxgld.h"
1255                 else
1256                         tm_file="${tm_file} m68k/auxld.h"
1257                 fi
1258                 if [[ "$gas" = yes ]]
1259                 then
1260                         tm_file="${tm_file} m68k/auxgas.h"
1261                 else
1262                         tm_file="${tm_file} m68k/auxas.h"
1263                 fi
1264                 tm_file="${tm_file} m68k/a-ux.h"
1265                 ;;
1266         m68k-apollo-*)
1267                 tm_file=m68k/apollo68.h
1268                 xmake_file=m68k/x-apollo68
1269                 use_collect2=yes
1270                 extra_headers=math-68881.h
1271                 ;;
1272         m68k-altos-sysv*)                  # Altos 3068
1273                 if [[ x$gas = xyes ]]
1274                 then
1275                         tm_file=m68k/altos3068.h
1276                         xm_defines=USG
1277                 else
1278                         echo "The Altos is supported only with the GNU assembler" 1>&2
1279                         exit 1
1280                 fi
1281                 extra_headers=math-68881.h
1282                 ;;
1283         m68k-bull-sysv*)                # Bull DPX/2
1284                 if [[ x$gas = xyes ]]
1285                 then
1286                         if [[ x$stabs = xyes ]]
1287                         then
1288                                 tm_file=m68k/dpx2cdbx.h
1289                         else
1290                                 tm_file=m68k/dpx2g.h
1291                         fi
1292                 else
1293                         tm_file=m68k/dpx2.h
1294                 fi
1295                 xm_file="xm-alloca.h ${xm_file}"
1296                 xm_defines=USG
1297                 xmake_file=m68k/x-dpx2
1298                 use_collect2=yes
1299                 extra_headers=math-68881.h
1300                 ;;
1301         m68k-atari-sysv4*)              # Atari variant of V.4.
1302                 tm_file=m68k/atari.h
1303                 xm_file="xm-alloca.h ${xm_file}"
1304                 xm_defines="USG FULL_PROTOTYPES"
1305                 tmake_file=t-svr4
1306                 extra_parts="crtbegin.o crtend.o"
1307                 extra_headers=math-68881.h
1308                 ;;
1309         m68k-motorola-sysv*)
1310                 tm_file=m68k/mot3300.h
1311                 xm_file="xm-alloca.h m68k/xm-mot3300.h ${xm_file}"
1312                 xm_defines=NO_SYS_SIGLIST
1313                 if [[ x$gas = xyes ]]
1314                 then
1315                         xmake_file=m68k/x-mot3300-gas
1316                         if [[ x$gnu_ld = xyes ]]
1317                         then
1318                                 tmake_file=m68k/t-mot3300-gald
1319                         else
1320                                 tmake_file=m68k/t-mot3300-gas
1321                                 use_collect2=yes
1322                         fi
1323                 else
1324                         xmake_file=m68k/x-mot3300
1325                         if [[ x$gnu_ld = xyes ]]
1326                         then
1327                                 tmake_file=m68k/t-mot3300-gld
1328                         else
1329                                 tmake_file=m68k/t-mot3300
1330                                 use_collect2=yes
1331                         fi
1332                 fi
1333                 gdb_needs_out_file_path=yes
1334                 extra_parts="crt0.o mcrt0.o"
1335                 extra_headers=math-68881.h
1336                 ;;
1337         m68k-ncr-sysv*)                 # NCR Tower 32 SVR3
1338                 tm_file=m68k/tower-as.h
1339                 xm_defines="USG SVR3"
1340                 xmake_file=m68k/x-tower
1341                 extra_parts="crtbegin.o crtend.o"
1342                 extra_headers=math-68881.h
1343                 ;;
1344         m68k-plexus-sysv*)
1345                 tm_file=m68k/plexus.h
1346                 xm_file="xm-alloca.h m68k/xm-plexus.h ${xm_file}"
1347                 xm_defines=USG
1348                 use_collect2=yes
1349                 extra_headers=math-68881.h
1350                 ;;
1351         m68k-tti-*)
1352                 tm_file=m68k/pbb.h
1353                 xm_file="xm-alloca.h ${xm_file}"
1354                 xm_defines=USG
1355                 extra_headers=math-68881.h
1356                 ;;
1357         m68k-crds-unos*)
1358                 xm_file="xm-alloca.h m68k/xm-crds.h ${xm_file}"
1359                 xm_defines="USG unos"
1360                 xmake_file=m68k/x-crds
1361                 tm_file=m68k/crds.h
1362                 use_collect2=yes
1363                 extra_headers=math-68881.h
1364                 ;;
1365         m68k-cbm-sysv4*)                # Commodore variant of V.4.
1366                 tm_file=m68k/amix.h
1367                 xm_file="xm-alloca.h ${xm_file}"
1368                 xm_defines="USG FULL_PROTOTYPES"
1369                 xmake_file=m68k/x-amix
1370                 tmake_file=t-svr4
1371                 extra_parts="crtbegin.o crtend.o"
1372                 extra_headers=math-68881.h
1373                 ;;
1374         m68k-ccur-rtu)
1375                 tm_file=m68k/ccur-GAS.h
1376                 xmake_file=m68k/x-ccur
1377                 extra_headers=math-68881.h
1378                 use_collect2=yes
1379                 ;;
1380         m68k-hp-bsd4.4*)                # HP 9000/3xx running 4.4bsd
1381                 tm_file=m68k/hp3bsd44.h
1382                 xmake_file=m68k/x-hp3bsd44
1383                 use_collect2=yes
1384                 extra_headers=math-68881.h
1385                 ;;
1386         m68k-hp-bsd*)                   # HP 9000/3xx running Berkeley Unix
1387                 tm_file=m68k/hp3bsd.h
1388                 use_collect2=yes
1389                 extra_headers=math-68881.h
1390                 ;;
1391         m68k-isi-bsd*)
1392                 if [[ x$with_fp = xno ]]
1393                 then
1394                         tm_file=m68k/isi-nfp.h
1395                 else
1396                         tm_file=m68k/isi.h
1397                 fi
1398                 use_collect2=yes
1399                 extra_headers=math-68881.h
1400                 ;;
1401         m68k-hp-hpux7*) # HP 9000 series 300 running HPUX version 7.
1402                 xm_file="xm_alloca.h ${xm_file}"
1403                 xm_defines="USG NO_SYS_SIGLIST"
1404                 if [[ x$gas = xyes ]]
1405                 then
1406                         xmake_file=m68k/x-hp320g
1407                         tm_file=m68k/hp320g.h
1408                 else
1409                         xmake_file=m68k/x-hp320
1410                         tm_file=m68k/hpux7.h
1411                 fi
1412                 install_headers_dir=install-headers-cpio
1413                 use_collect2=yes
1414                 extra_headers=math-68881.h
1415                 ;;
1416         m68k-hp-hpux*)  # HP 9000 series 300
1417                 xm_file="xm_alloca.h ${xm_file}"
1418                 xm_defines="USG NO_SYS_SIGLIST"
1419                 if [[ x$gas = xyes ]]
1420                 then
1421                         xmake_file=m68k/x-hp320g
1422                         tm_file=m68k/hp320g.h
1423                 else
1424                         xmake_file=m68k/x-hp320
1425                         tm_file=m68k/hp320.h
1426                 fi
1427                 install_headers_dir=install-headers-cpio
1428                 use_collect2=yes
1429                 extra_headers=math-68881.h
1430                 ;;
1431         m68k-sun-mach*)
1432                 tm_file=m68k/sun3mach.h
1433                 use_collect2=yes
1434                 extra_headers=math-68881.h
1435                 ;;
1436         m68k-sony-newsos3*)
1437                 if [[ x$gas = xyes ]]
1438                 then
1439                         tm_file=m68k/news3gas.h
1440                 else
1441                         tm_file=m68k/news3.h
1442                 fi
1443                 use_collect2=yes
1444                 extra_headers=math-68881.h
1445                 ;;
1446         m68k-sony-bsd* | m68k-sony-newsos*)
1447                 if [[ x$gas = xyes ]]
1448                 then
1449                         tm_file=m68k/newsgas.h
1450                 else
1451                         tm_file=m68k/news.h
1452                 fi
1453                 use_collect2=yes
1454                 extra_headers=math-68881.h
1455                 ;;
1456         m68k-next-nextstep2*)
1457                 tm_file=m68k/next21.h
1458                 xm_file="m68k/xm-next.h ${xm_file}"
1459                 tmake_file=m68k/t-next
1460                 xmake_file=m68k/x-next
1461                 extra_objs=nextstep.o
1462                 extra_headers=math-68881.h
1463                 use_collect2=yes
1464                 ;;
1465         m68k-next-nextstep3*)
1466                 tm_file=m68k/next.h
1467                 xm_file="m68k/xm-next.h ${xm_file}"
1468                 tmake_file=m68k/t-next
1469                 xmake_file=m68k/x-next
1470                 extra_objs=nextstep.o
1471                 extra_headers=math-68881.h
1472                 if [[ x$enable_threads = xyes ]]; then
1473                         thread_file='mach'
1474                 fi
1475                 ;;
1476         m68k-sun-sunos3*)
1477                 if [[ x$with_fp = xno ]]
1478                 then
1479                         tm_file=m68k/sun3n3.h
1480                 else
1481                         tm_file=m68k/sun3o3.h
1482                 fi
1483                 use_collect2=yes
1484                 extra_headers=math-68881.h
1485                 ;;
1486         m68k-sun-sunos*)                        # For SunOS 4 (the default).
1487                 if [[ x$with_fp = xno ]]
1488                 then
1489                         tm_file=m68k/sun3n.h
1490                 else
1491                         tm_file=m68k/sun3.h
1492                 fi
1493                 use_collect2=yes
1494                 extra_headers=math-68881.h
1495                 ;;
1496         m68k-wrs-vxworks*)
1497                 tm_file=m68k/vxm68k.h
1498                 tmake_file=m68k/t-vxworks68
1499                 extra_headers=math-68881.h
1500                 thread_file='vxworks'
1501                 ;;
1502         m68k-*-aout*)
1503                 tmake_file=m68k/t-m68kbare
1504                 tm_file="m68k/m68k-aout.h libgloss.h"
1505                 extra_headers=math-68881.h
1506                 ;;
1507         m68k-*-coff*)
1508                 tmake_file=m68k/t-m68kbare
1509                 tm_file="m68k/m68k-coff.h dbx.h libgloss.h"
1510                 extra_headers=math-68881.h
1511                 ;;
1512         m68k-*-lynxos*)
1513                 if [[ x$gas = xyes ]]
1514                 then
1515                         tm_file=m68k/lynx.h
1516                 else
1517                         tm_file=m68k/lynx-ng.h
1518                 fi
1519                 xm_file=m68k/xm-lynx.h
1520                 xmake_file=x-lynx
1521                 tmake_file=m68k/t-lynx
1522                 extra_headers=math-68881.h
1523                 ;;
1524         m68k-*-netbsd*)
1525                 tm_file=m68k/netbsd.h
1526                 # On NetBSD, the headers are already okay, except for math.h.
1527                 fixincludes=fixinc.math
1528                 tmake_file=t-netbsd
1529                 ;;
1530         m68k-*-sysv3*)                  # Motorola m68k's running system V.3
1531                 xm_file="xm-alloca.h ${xm_file}"
1532                 xm_defines=USG
1533                 xmake_file=m68k/x-m68kv
1534                 extra_parts="crtbegin.o crtend.o"
1535                 extra_headers=math-68881.h
1536                 ;;
1537         m68k-*-sysv4*)                  # Motorola m68k's running system V.4
1538                 tm_file=m68k/m68kv4.h
1539                 xm_file="xm-alloca.h ${xm_file}"
1540                 xm_defines=USG
1541                 tmake_file=t-svr4
1542                 extra_parts="crtbegin.o crtend.o"
1543                 extra_headers=math-68881.h
1544                 ;;
1545         m68k-*-linux-gnuaout*)          # Motorola m68k's running GNU/Linux
1546                                         # with a.out format
1547                 xmake_file=x-linux
1548                 tm_file=m68k/linux-aout.h
1549                 tmake_file="t-linux-aout m68k/t-linux-aout"
1550                 fixincludes=Makefile.in # The headers are ok already.
1551                 extra_headers=math-68881.h
1552                 gnu_ld=yes
1553                 ;;
1554         m68k-*-linux-gnulibc1)          # Motorola m68k's running GNU/Linux
1555                                         # with ELF format using the
1556                                         # GNU/Linux C library 5
1557                 xmake_file=x-linux
1558                 tm_file=m68k/linux.h
1559                 tmake_file="t-linux t-linux-gnulibc1 m68k/t-linux"
1560                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1561                 fixincludes=Makefile.in # The headers are ok already.
1562                 extra_headers=math-68881.h
1563                 gnu_ld=yes
1564                 ;;
1565         m68k-*-linux-gnu*)              # Motorola m68k's running GNU/Linux
1566                                         # with ELF format using glibc 2
1567                                         # aka the GNU/Linux C library 6.
1568                 xmake_file=x-linux
1569                 tm_file=m68k/linux.h
1570                 tmake_file="t-linux m68k/t-linux"
1571                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
1572                 fixincludes=Makefile.in # The headers are ok already.
1573                 extra_headers=math-68881.h
1574                 gnu_ld=yes
1575                 if [[ x$enable_threads = xyes ]]; then
1576                         thread_file='posix'
1577                 fi
1578                 ;;
1579         m68k-*-psos*)
1580                 tmake_file=m68k/t-m68kbare
1581                 tm_file=m68k/m68k-psos.h
1582                 extra_headers=math-68881.h
1583                 ;;
1584         m68k-*-rtems*)
1585                 tmake_file="m68k/t-m68kbare t-rtems"
1586                 tm_file=m68k/rtems.h
1587                 extra_headers=math-68881.h
1588                 ;;
1589
1590         m88k-dg-dgux*)
1591                 case $machine in
1592                   m88k-dg-dguxbcs*)
1593                     tm_file=m88k/dguxbcs.h
1594                     tmake_file=m88k/t-dguxbcs
1595                     ;;
1596                   *)
1597                     tm_file=m88k/dgux.h
1598                     tmake_file=m88k/t-dgux
1599                     ;;
1600                 esac
1601                 extra_parts="crtbegin.o bcscrtbegin.o crtend.o m88kdgux.ld"
1602                 xmake_file=m88k/x-dgux
1603                 if [[ x$gas = xyes ]]
1604                 then
1605                         tmake_file=m88k/t-dgux-gas
1606                 fi
1607                 fixincludes=fixinc.dgux
1608                 ;;
1609         m88k-dolphin-sysv3*)
1610                 tm_file=m88k/dolph.h
1611                 extra_parts="crtbegin.o crtend.o"
1612                 xm_file="m88k/xm-sysv3.h ${xm_file}"
1613                 xmake_file=m88k/x-dolph
1614                 if [[ x$gas = xyes ]]
1615                 then
1616                         tmake_file=m88k/t-m88k-gas
1617                 fi
1618                 ;;
1619         m88k-tektronix-sysv3)
1620                 tm_file=m88k/tekXD88.h
1621                 extra_parts="crtbegin.o crtend.o"
1622                 xm_file="m88k/xm-sysv3.h ${xm_file}"
1623                 xmake_file=m88k/x-tekXD88
1624                 if [[ x$gas = xyes ]]
1625                 then
1626                         tmake_file=m88k/t-m88k-gas
1627                 fi
1628                 ;;
1629         m88k-*-aout*)
1630                 tm_file=m88k/m88k-aout.h
1631                 ;;
1632         m88k-*-coff*)
1633                 tm_file=m88k/m88k-coff.h
1634                 tmake_file=m88k/t-bug
1635                 ;;
1636         m88k-*-luna*)
1637                 tm_file=m88k/luna.h
1638                 extra_parts="crtbegin.o crtend.o"
1639                 if [[ x$gas = xyes ]]
1640                 then
1641                         tmake_file=m88k/t-luna-gas
1642                 else
1643                         tmake_file=m88k/t-luna
1644                 fi
1645                 ;;
1646         m88k-*-sysv3*)
1647                 tm_file=m88k/sysv3.h
1648                 extra_parts="crtbegin.o crtend.o"
1649                 xm_file="m88k/xm-sysv3.h ${xm_file}"
1650                 xmake_file=m88k/x-sysv3
1651                 if [[ x$gas = xyes ]]
1652                 then
1653                         tmake_file=m88k/t-m88k-gas
1654                 fi
1655                 ;;
1656         m88k-*-sysv4*)
1657                 tm_file=m88k/sysv4.h
1658                 extra_parts="crtbegin.o crtend.o"
1659                 xmake_file=m88k/x-sysv4
1660                 tmake_file=m88k/t-sysv4
1661                 ;;
1662         mips-sgi-irix6*)                # SGI System V.4., IRIX 6
1663                 tm_file=mips/iris6.h
1664                 xm_file=mips/xm-iris6.h
1665                 fixincludes=fixinc.irix
1666                 xmake_file=mips/x-iris6
1667                 tmake_file=mips/t-iris6
1668                 if [[ x$enable_threads = xyes ]]; then
1669                         thread_file='irix'
1670                 fi
1671                 ;;
1672         mips-wrs-vxworks)
1673                 tm_file="mips/elf.h libgloss.h"
1674                 tmake_file=mips/t-ecoff
1675                 gas=yes
1676                 gnu_ld=yes
1677                 extra_parts="crtbegin.o crtend.o"
1678 #               thread_file='vxworks'
1679                 ;;
1680         mips-sgi-irix5cross64)          # Irix5 host, Irix 6 target, cross64
1681                 tm_file="mips/iris6.h mips/cross64.h"
1682                 xm_defines="USG HAVE_INTTYPES_H"
1683                 fixincludes=Makefile.in
1684                 xmake_file=mips/x-iris
1685                 tmake_file=mips/t-cross64
1686                 # See comment in mips/iris[56].h files.
1687                 use_collect2=yes
1688                 if [[ x$enable_threads = xyes ]]; then
1689                         thread_file='irix'
1690                 fi
1691                 ;;
1692         mips-sni-sysv4)
1693                 if [[ x$gas = xyes ]]
1694                 then
1695                         if [[ x$stabs = xyes ]]
1696                         then
1697                                 tm_file=mips/iris5gdb.h
1698                         else
1699                                 tm_file="mips/sni-svr4.h mips/sni-gas.h"
1700                         fi
1701                 else
1702                         tm_file=mips/sni-svr4.h
1703                 fi
1704                 xm_defines=USG
1705                 xmake_file=mips/x-sni-svr4
1706                 tmake_file=mips/t-mips-gas
1707                 if [[ x$gnu_ld != xyes ]]
1708                 then
1709                         use_collect2=yes
1710                 fi
1711                 ;;
1712         mips-sgi-irix5*)                # SGI System V.4., IRIX 5
1713                 if [[ x$gas = xyes ]]
1714                 then
1715                         tm_file="mips/iris5.h mips/iris5gas.h"
1716                         if [[ x$stabs = xyes ]]
1717                         then
1718                                 tm_file="${tm_file} dbx.h"
1719                         fi
1720                 else
1721                         tm_file=mips/iris5.h
1722                 fi
1723                 xm_defines="USG HAVE_INTTYPES_H"
1724                 fixincludes=fixinc.irix
1725                 xmake_file=mips/x-iris
1726                 # mips-tfile doesn't work yet
1727                 tmake_file=mips/t-mips-gas
1728                 # See comment in mips/iris5.h file.
1729                 use_collect2=yes
1730                 if [[ x$enable_threads = xyes ]]; then
1731                         thread_file='irix'
1732                 fi
1733                 ;;
1734         mips-sgi-irix4loser*)           # Mostly like a MIPS.
1735                 tm_file="mips/iris4loser.h mips/iris3.h ${tm_file} mips/iris4.h"
1736                 if [[ x$stabs = xyes ]]; then
1737                         tm_file="${tm_file} dbx.h"
1738                 fi
1739                 xm_defines=USG
1740                 xmake_file=mips/x-iris
1741                 if [[ x$gas = xyes ]]
1742                 then
1743                         tmake_file=mips/t-mips-gas
1744                 else
1745                         extra_passes="mips-tfile mips-tdump"
1746                 fi
1747                 if [[ x$gnu_ld != xyes ]]
1748                 then
1749                         use_collect2=yes
1750                 fi
1751                 if [[ x$enable_threads = xyes ]]; then
1752                         thread_file='irix'
1753                 fi
1754                 ;;
1755         mips-sgi-irix4*)                # Mostly like a MIPS.
1756                 tm_file="mips/iris3.h ${tm_file} mips/iris4.h"
1757                 if [[ x$stabs = xyes ]]; then
1758                         tm_file="${tm_file} dbx.h"
1759                 fi
1760                 xm_defines=USG
1761                 xmake_file=mips/x-iris
1762                 if [[ x$gas = xyes ]]
1763                 then
1764                         tmake_file=mips/t-mips-gas
1765                 else
1766                         extra_passes="mips-tfile mips-tdump"
1767                 fi
1768                 if [[ x$gnu_ld != xyes ]]
1769                 then
1770                         use_collect2=yes
1771                 fi
1772                 if [[ x$enable_threads = xyes ]]; then
1773                         thread_file='irix'
1774                 fi
1775                 ;;
1776         mips-sgi-*)                     # Mostly like a MIPS.
1777                 tm_file="mips/iris3.h ${tm_file}"
1778                 if [[ x$stabs = xyes ]]; then
1779                         tm_file="${tm_file} dbx.h"
1780                 fi
1781                 xm_defines=USG
1782                 xmake_file=mips/x-iris3
1783                 if [[ x$gas = xyes ]]
1784                 then
1785                         tmake_file=mips/t-mips-gas
1786                 else
1787                         extra_passes="mips-tfile mips-tdump"
1788                 fi
1789                 if [[ x$gnu_ld != xyes ]]
1790                 then
1791                         use_collect2=yes
1792                 fi
1793                 ;;
1794         mips-dec-osfrose*)              # Decstation running OSF/1 reference port with OSF/rose.
1795                 tm_file="mips/osfrose.h ${tm_file}"
1796                 xmake_file=mips/x-osfrose
1797                 tmake_file=mips/t-osfrose
1798                 extra_objs=halfpic.o
1799                 use_collect2=yes
1800                 ;;
1801         mips-dec-osf*)                  # Decstation running OSF/1 as shipped by DIGITAL
1802                 tm_file=mips/dec-osf1.h
1803                 if [[ x$stabs = xyes ]]; then
1804                         tm_file="${tm_file} dbx.h"
1805                 fi
1806                 xmake_file=mips/x-dec-osf1
1807                 if [[ x$gas = xyes ]]
1808                 then
1809                         tmake_file=mips/t-mips-gas
1810                 else
1811                         tmake_file=mips/t-ultrix
1812                         extra_passes="mips-tfile mips-tdump"
1813                 fi
1814                 if [[ x$gnu_ld != xyes ]]
1815                 then
1816                         use_collect2=yes
1817                 fi
1818                 ;;
1819         mips-dec-bsd*)                  # Decstation running 4.4 BSD
1820               tm_file=mips/dec-bsd.h
1821               fixincludes=
1822               if [[ x$gas = xyes ]]
1823               then
1824                         tmake_file=mips/t-mips-gas
1825               else
1826                         tmake_file=mips/t-ultrix
1827                         extra_passes="mips-tfile mips-tdump"
1828               fi
1829               if [[ x$gnu_ld != xyes ]]
1830               then
1831                         use_collect2=yes
1832               fi
1833               ;;
1834         mips-dec-netbsd*)                  # Decstation running NetBSD
1835                 tm_file=mips/netbsd.h
1836                 # On NetBSD, the headers are already okay, except for math.h.
1837                 fixincludes=fixinc.math
1838                 tmake_file=t-netbsd
1839                 ;;
1840         mips-sony-bsd* | mips-sony-newsos*)     # Sony NEWS 3600 or risc/news.
1841                 tm_file="mips/news4.h ${tm_file}"
1842                 if [[ x$stabs = xyes ]]; then
1843                         tm_file="${tm_file} dbx.h"
1844                 fi
1845                 if [[ x$gas = xyes ]]
1846                 then
1847                         tmake_file=mips/t-mips-gas
1848                 else
1849                         extra_passes="mips-tfile mips-tdump"
1850                 fi
1851                 if [[ x$gnu_ld != xyes ]]
1852                 then
1853                         use_collect2=yes
1854                 fi
1855                 xmake_file=mips/x-sony
1856                 ;;
1857         mips-sony-sysv*)                # Sony NEWS 3800 with NEWSOS5.0.
1858                                         # That is based on svr4.
1859                 # t-svr4 is not right because this system doesn't use ELF.
1860                 tm_file="mips/news5.h ${tm_file}"
1861                 if [[ x$stabs = xyes ]]; then
1862                         tm_file="${tm_file} dbx.h"
1863                 fi
1864                 xm_file="xm-siglist.h ${xm_file}"
1865                 xm_defines=USG
1866                 if [[ x$gas = xyes ]]
1867                 then
1868                         tmake_file=mips/t-mips-gas
1869                 else
1870                         extra_passes="mips-tfile mips-tdump"
1871                 fi
1872                 if [[ x$gnu_ld != xyes ]]
1873                 then
1874                         use_collect2=yes
1875                 fi
1876                 ;;
1877         mips-tandem-sysv4*)             # Tandem S2 running NonStop UX
1878                 tm_file="mips/svr4-5.h mips/svr4-t.h"
1879                 if [[ x$stabs = xyes ]]; then
1880                         tm_file="${tm_file} dbx.h"
1881                 fi
1882                 xm_file="xm-siglist.h ${xm_file}"
1883                 xm_defines=USG
1884                 xmake_file=mips/x-sysv
1885                 if [[ x$gas = xyes ]]
1886                 then
1887                         tmake_file=mips/t-mips-gas
1888                         extra_parts="crtbegin.o crtend.o"
1889                 else
1890                         tmake_file=mips/t-mips
1891                         extra_passes="mips-tfile mips-tdump"
1892                 fi
1893                 if [[ x$gnu_ld != xyes ]]
1894                 then
1895                         use_collect2=yes
1896                 fi
1897                 ;;
1898         mips-*-ultrix* | mips-dec-mach3)        # Decstation.
1899                 tm_file="mips/ultrix.h ${tm_file}"
1900                 if [[ x$stabs = xyes ]]; then
1901                         tm_file="${tm_file} dbx.h"
1902                 fi
1903                 xmake_file=mips/x-ultrix
1904                 if [[ x$gas = xyes ]]
1905                 then
1906                         tmake_file=mips/t-mips-gas
1907                 else
1908                         tmake_file=mips/t-ultrix
1909                         extra_passes="mips-tfile mips-tdump"
1910                 fi
1911                 if [[ x$gnu_ld != xyes ]]
1912                 then
1913                         use_collect2=yes
1914                 fi
1915                 ;;
1916         mips-*-riscos[[56789]]bsd*)
1917                 tm_file=mips/bsd-5.h    # MIPS BSD 4.3, RISC-OS 5.0
1918                 if [[ x$stabs = xyes ]]; then
1919                         tm_file="${tm_file} dbx.h"
1920                 fi
1921                 if [[ x$gas = xyes ]]
1922                 then
1923                         tmake_file=mips/t-bsd-gas
1924                 else
1925                         tmake_file=mips/t-bsd
1926                         extra_passes="mips-tfile mips-tdump"
1927                 fi
1928                 if [[ x$gnu_ld != xyes ]]
1929                 then
1930                         use_collect2=yes
1931                 fi
1932                 ;;
1933         mips-*-bsd* | mips-*-riscosbsd* | mips-*-riscos[[1234]]bsd*)
1934                 tm_file="mips/bsd-4.h ${tm_file}" # MIPS BSD 4.3, RISC-OS 4.0
1935                 if [[ x$stabs = xyes ]]; then
1936                         tm_file="${tm_file} dbx.h"
1937                 fi
1938                 if [[ x$gas = xyes ]]
1939                 then
1940                         tmake_file=mips/t-bsd-gas
1941                 else
1942                         tmake_file=mips/t-bsd
1943                         extra_passes="mips-tfile mips-tdump"
1944                 fi
1945                 if [[ x$gnu_ld != xyes ]]
1946                 then
1947                         use_collect2=yes
1948                 fi
1949                 ;;
1950         mips-*-riscos[[56789]]sysv4*)
1951                 tm_file=mips/svr4-5.h   # MIPS System V.4., RISC-OS 5.0
1952                 if [[ x$stabs = xyes ]]; then
1953                         tm_file="${tm_file} dbx.h"
1954                 fi
1955                 xm_file="xm-siglist.h ${xm_file}"
1956                 xmake_file=mips/x-sysv
1957                 if [[ x$gas = xyes ]]
1958                 then
1959                         tmake_file=mips/t-svr4-gas
1960                 else
1961                         tmake_file=mips/t-svr4
1962                         extra_passes="mips-tfile mips-tdump"
1963                 fi
1964                 if [[ x$gnu_ld != xyes ]]
1965                 then
1966                         use_collect2=yes
1967                 fi
1968                 ;;
1969         mips-*-sysv4* | mips-*-riscos[[1234]]sysv4* | mips-*-riscossysv4*)
1970                 tm_file="mips/svr4-4.h ${tm_file}"
1971                 if [[ x$stabs = xyes ]]; then
1972                         tm_file="${tm_file} dbx.h"
1973                 fi
1974                 xm_defines=USG
1975                 xmake_file=mips/x-sysv
1976                 if [[ x$gas = xyes ]]
1977                 then
1978                         tmake_file=mips/t-svr4-gas
1979                 else
1980                         tmake_file=mips/t-svr4
1981                         extra_passes="mips-tfile mips-tdump"
1982                 fi
1983                 if [[ x$gnu_ld != xyes ]]
1984                 then
1985                         use_collect2=yes
1986                 fi
1987                 ;;
1988         mips-*-riscos[[56789]]sysv*)
1989                 tm_file=mips/svr3-5.h   # MIPS System V.3, RISC-OS 5.0
1990                 if [[ x$stabs = xyes ]]; then
1991                         tm_file="${tm_file} dbx.h"
1992                 fi
1993                 xm_defines=USG
1994                 xmake_file=mips/x-sysv
1995                 if [[ x$gas = xyes ]]
1996                 then
1997                         tmake_file=mips/t-svr3-gas
1998                 else
1999                         tmake_file=mips/t-svr3
2000                         extra_passes="mips-tfile mips-tdump"
2001                 fi
2002                 if [[ x$gnu_ld != xyes ]]
2003                 then
2004                         use_collect2=yes
2005                 fi
2006                 ;;
2007         mips-*-sysv* | mips-*-riscos*sysv*)
2008                 tm_file="mips/svr3-4.h ${tm_file}"
2009                 if [[ x$stabs = xyes ]]; then
2010                         tm_file="${tm_file} dbx.h"
2011                 fi
2012                 xm_defines=USG
2013                 xmake_file=mips/x-sysv
2014                 if [[ x$gas = xyes ]]
2015                 then
2016                         tmake_file=mips/t-svr3-gas
2017                 else
2018                         tmake_file=mips/t-svr3
2019                         extra_passes="mips-tfile mips-tdump"
2020                 fi
2021                 if [[ x$gnu_ld != xyes ]]
2022                 then
2023                         use_collect2=yes
2024                 fi
2025                 ;;
2026         mips-*-riscos[[56789]]*)                # Default MIPS RISC-OS 5.0.
2027                 tm_file=mips/mips-5.h
2028                 if [[ x$stabs = xyes ]]; then
2029                         tm_file="${tm_file} dbx.h"
2030                 fi
2031                 if [[ x$gas = xyes ]]
2032                 then
2033                         tmake_file=mips/t-mips-gas
2034                 else
2035                         extra_passes="mips-tfile mips-tdump"
2036                 fi
2037                 if [[ x$gnu_ld != xyes ]]
2038                 then
2039                         use_collect2=yes
2040                 fi
2041                 ;;
2042         mips-*-gnu*)
2043                 ;;
2044         mipsel-*-ecoff*)
2045                 tm_file=mips/ecoffl.h
2046                 if [[ x$stabs = xyes ]]; then
2047                         tm_file="${tm_file} dbx.h"
2048                 fi
2049                 tmake_file=mips/t-ecoff
2050                 ;;
2051         mips-*-ecoff*)
2052                 tm_file="gofast.h mips/ecoff.h"
2053                 if [[ x$stabs = xyes ]]; then
2054                         tm_file="${tm_file} dbx.h"
2055                 fi
2056                 tmake_file=mips/t-ecoff
2057                 ;;
2058         mipsel-*-elf*)
2059                 tm_file="mips/elfl.h libgloss.h"
2060                 tmake_file=mips/t-ecoff
2061                 ;;
2062         mips-*-elf*)
2063                 tm_file="mips/elf.h libgloss.h"
2064                 tmake_file=mips/t-ecoff
2065                 ;;
2066         mips64el-*-elf*)
2067                 tm_file="mips/elfl64.h libgloss.h"
2068                 tmake_file=mips/t-ecoff
2069                 ;;
2070         mips64orionel-*-elf*)
2071                 tm_file="mips/elforion.h mips/elfl64.h libgloss.h"
2072                 tmake_file=mips/t-ecoff
2073                 ;;
2074         mips64-*-elf*)
2075                 tm_file="mips/elf64.h libgloss.h"
2076                 tmake_file=mips/t-ecoff
2077                 ;;
2078         mips64orion-*-elf*)
2079                 tm_file="mips/elforion.h mips/elf64.h libgloss.h"
2080                 tmake_file=mips/t-ecoff
2081                 ;;
2082         mips64orion-*-rtems*)
2083                 tm_file="mips/elforion.h mips/elfl64.h mips/rtems64.h"
2084                 tmake_file="mips/t-ecoff t-rtems"
2085                 ;;
2086         mipstx39el-*-elf*)
2087                 tm_file="mips/r3900.h mips/elfl.h mips/abi64.h libgloss.h"
2088                 tmake_file=mips/t-r3900
2089                 ;;
2090         mipstx39-*-elf*)
2091                 tm_file="mips/r3900.h mips/elf.h mips/abi64.h libgloss.h"
2092                 tmake_file=mips/t-r3900
2093                 ;;
2094         mips-*-*)                               # Default MIPS RISC-OS 4.0.
2095                 if [[ x$stabs = xyes ]]; then
2096                         tm_file="${tm_file} dbx.h"
2097                 fi
2098                 if [[ x$gas = xyes ]]
2099                 then
2100                         tmake_file=mips/t-mips-gas
2101                 else
2102                         extra_passes="mips-tfile mips-tdump"
2103                 fi
2104                 if [[ x$gnu_ld != xyes ]]
2105                 then
2106                         use_collect2=yes
2107                 fi
2108                 ;;
2109         mn10200-*-*)
2110                 cpu_type=mn10200
2111                 tm_file="mn10200/mn10200.h"
2112                 if [[ x$stabs = xyes ]]
2113                 then
2114                         tm_file="${tm_file} dbx.h"
2115                 fi
2116                 use_collect2=no
2117                 ;;
2118         mn10300-*-*)
2119                 cpu_type=mn10300
2120                 tm_file="mn10300/mn10300.h"
2121                 if [[ x$stabs = xyes ]]
2122                 then
2123                         tm_file="${tm_file} dbx.h"
2124                 fi
2125                 use_collect2=no
2126                 ;;
2127         ns32k-encore-bsd*)
2128                 tm_file=ns32k/encore.h
2129                 use_collect2=yes
2130                 ;;
2131         ns32k-sequent-bsd*)
2132                 tm_file=ns32k/sequent.h
2133                 use_collect2=yes
2134                 ;;
2135         ns32k-tek6100-bsd*)
2136                 tm_file=ns32k/tek6100.h
2137                 use_collect2=yes
2138                 ;;
2139         ns32k-tek6200-bsd*)
2140                 tm_file=ns32k/tek6200.h
2141                 use_collect2=yes
2142                 ;;
2143 # This has not been updated to GCC 2.
2144 #       ns32k-ns-genix*)
2145 #               xm_defines=USG
2146 #               xmake_file=ns32k/x-genix
2147 #               tm_file=ns32k/genix.h
2148 #               use_collect2=yes
2149 #               ;;
2150         ns32k-merlin-*)
2151                 tm_file=ns32k/merlin.h
2152                 use_collect2=yes
2153                 ;;
2154         ns32k-pc532-mach*)
2155                 tm_file=ns32k/pc532-mach.h
2156                 use_collect2=yes
2157                 ;;
2158         ns32k-pc532-minix*)
2159                 tm_file=ns32k/pc532-min.h
2160                 xm_file="ns32k/xm-pc532-min.h ${xm-file}"
2161                 xm_defines=USG
2162                 use_collect2=yes
2163                 ;;
2164         ns32k-pc532-netbsd*)
2165                 tm_file=ns32k/netbsd.h
2166                 # On NetBSD, the headers are already okay, except for math.h.
2167                 fixincludes=fixinc.math
2168                 tmake_file=t-netbsd
2169                 ;;
2170         pdp11-*-bsd)
2171                 tm_file="${tm_file} pdp11/2bsd.h"
2172                 ;;
2173         pdp11-*-*)
2174                 ;;
2175         pyramid-*-*)
2176                 cpu_type=pyr
2177                 xmake_file=pyr/x-pyr
2178                 use_collect2=yes
2179                 ;;
2180         romp-*-aos*)
2181                 use_collect2=yes
2182                 ;;
2183         romp-*-mach*)
2184                 xmake_file=romp/x-mach
2185                 use_collect2=yes
2186                 ;;
2187         powerpc-*-beos*)
2188                 cpu_type=rs6000
2189                 tm_file=rs6000/beos.h
2190                 xm_file=rs6000/xm-beos.h
2191                 tmake_file=rs6000/t-beos
2192                 xmake_file=rs6000/x-beos
2193                 ;;
2194         powerpc-*-sysv* | powerpc-*-elf*)
2195                 tm_file=rs6000/sysv4.h
2196                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2197                 xm_defines="USG POSIX"
2198                 extra_headers=ppc-asm.h
2199                 if [[ x$gas = xyes ]]
2200                 then
2201                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2202                 else
2203                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2204                 fi
2205                 xmake_file=rs6000/x-sysv4
2206                 ;;
2207         powerpc-*-eabiaix*)
2208                 tm_file=rs6000/eabiaix.h
2209                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2210                 fixincludes=Makefile.in
2211                 extra_headers=ppc-asm.h
2212                 ;;
2213         powerpc-*-eabisim*)
2214                 tm_file=rs6000/eabisim.h
2215                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2216                 fixincludes=Makefile.in
2217                 extra_headers=ppc-asm.h
2218                 ;;
2219         powerpc-*-eabi*)
2220                 tm_file=rs6000/eabi.h
2221                 if [[ x$gas = xyes ]]
2222                 then
2223                         tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2224                 else
2225                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2226                 fi
2227                 fixincludes=Makefile.in
2228                 extra_headers=ppc-asm.h
2229                 ;;
2230         powerpc-*-rtems*)
2231                 tm_file=rs6000/rtems.h
2232                 if [[ x$gas = xyes ]]
2233                 then
2234                      tmake_file="rs6000/t-ppcgas t-rtems rs6000/t-ppccomm"
2235                 else
2236                      tmake_file="rs6000/t-ppc t-rtems rs6000/t-ppccomm"
2237                 fi
2238                 fixincludes=Makefile.in
2239                 extra_headers=ppc-asm.h
2240                 ;;
2241         powerpc-*-linux-gnulibc1)
2242                 tm_file=rs6000/linux.h
2243                 xm_file=rs6000/xm-sysv4.h
2244                 out_file=rs6000/rs6000.c
2245                 if [[ x$gas = xyes ]]
2246                 then
2247                         tmake_file="rs6000/t-ppcos t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
2248                 else
2249                         tmake_file="rs6000/t-ppc t-linux t-linux-gnulibc1 rs6000/t-ppccomm"
2250                 fi
2251                 xmake_file=x-linux
2252                 fixincludes=Makefile.in
2253                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2254                 extra_headers=ppc-asm.h
2255                 if [[ x$enable_threads = xyes ]]; then
2256                         thread_file='posix'
2257                 fi
2258                 ;;
2259         powerpc-*-linux-gnu*)
2260                 tm_file=rs6000/linux.h
2261                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2262                 xm_defines="USG ${xm_defines}"
2263                 out_file=rs6000/rs6000.c
2264                 if [[ x$gas = xyes ]]
2265                 then
2266                         tmake_file="rs6000/t-ppcos t-linux rs6000/t-ppccomm"
2267                 else
2268                         tmake_file="rs6000/t-ppc t-linux rs6000/t-ppccomm"
2269                 fi
2270                 xmake_file=x-linux
2271                 fixincludes=Makefile.in
2272                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2273                 extra_headers=ppc-asm.h
2274                 if [[ x$enable_threads = xyes ]]; then
2275                         thread_file='posix'
2276                 fi
2277                 ;;
2278         powerpc-wrs-vxworks*)
2279                 cpu_type=rs6000
2280                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2281                 xm_defines="USG POSIX"
2282                 tm_file=rs6000/vxppc.h
2283                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2284                 extra_headers=ppc-asm.h
2285                 thread_file='vxworks'
2286                 ;;
2287         powerpcle-*-sysv* | powerpcle-*-elf*)
2288                 tm_file=rs6000/sysv4le.h
2289                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2290                 xm_defines="USG POSIX"
2291                 if [[ x$gas = xyes ]]
2292                 then
2293                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2294                 else
2295                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2296                 fi
2297                 xmake_file=rs6000/x-sysv4
2298                 extra_headers=ppc-asm.h
2299                 ;;
2300         powerpcle-*-eabisim*)
2301                 tm_file=rs6000/eabilesim.h
2302                 tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2303                 fixincludes=Makefile.in
2304                 extra_headers=ppc-asm.h
2305                 ;;
2306         powerpcle-*-eabi*)
2307                 tm_file=rs6000/eabile.h
2308                 if [[ x$gas = xyes ]]
2309                 then
2310                         tmake_file="rs6000/t-ppcgas rs6000/t-ppccomm"
2311                 else
2312                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2313                 fi
2314                 fixincludes=Makefile.in
2315                 extra_headers=ppc-asm.h
2316                 ;;
2317         powerpcle-*-winnt* )
2318                 tm_file=rs6000/win-nt.h
2319                 tmake_file=rs6000/t-winnt
2320 #               extra_objs=pe.o
2321                 fixincludes=Makefile.in
2322                 if [[ x$enable_threads = xyes ]]; then
2323                         thread_file='win32'
2324                 fi
2325                 extra_headers=ppc-asm.h
2326                 ;;
2327         powerpcle-*-pe | powerpcle-*-cygwin32)
2328                 tm_file=rs6000/cygwin32.h
2329                 xm_file="rs6000/xm-cygwin32.h ${xm_file}"
2330                 xm_defines=NO_STAB_H
2331                 tmake_file=rs6000/t-winnt
2332                 xmake_file=rs6000/x-cygwin32
2333 #               extra_objs=pe.o
2334                 fixincludes=Makefile.in
2335                 if [[ x$enable_threads = xyes ]]; then
2336                         thread_file='win32'
2337                 fi
2338                 exeext=.exe
2339                 extra_headers=ppc-asm.h
2340                 ;;
2341         powerpcle-*-solaris2*)
2342                 tm_file=rs6000/sol2.h
2343                 xm_file="xm-siglist.h rs6000/xm-sysv4.h"
2344                 xm_defines="USG POSIX"
2345                 if [[ x$gas = xyes ]]
2346                 then
2347                         tmake_file="rs6000/t-ppcos rs6000/t-ppccomm"
2348                 else
2349                         tmake_file="rs6000/t-ppc rs6000/t-ppccomm"
2350                 fi
2351                 xmake_file=rs6000/x-sysv4
2352                 case $machine in
2353                 *-*-solaris2.[[0-4]])
2354                         fixincludes=fixinc.svr4;;
2355                 *)
2356                         fixincludes=fixinc.math;;
2357                 esac
2358                 extra_headers=ppc-asm.h
2359                 ;;
2360         rs6000-ibm-aix3.[[01]]*)
2361                 tm_file=rs6000/aix31.h
2362                 xmake_file=rs6000/x-aix31
2363                 use_collect2=yes
2364                 ;;
2365         rs6000-ibm-aix3.2.[[456789]]* | powerpc-ibm-aix3.2.[[456789]]*)
2366                 tm_file=rs6000/aix3newas.h
2367                 if [[ x$host != x$target ]]
2368                 then
2369                         tmake_file=rs6000/t-xnewas
2370                 else
2371                         tmake_file=rs6000/t-newas
2372                 fi
2373                 use_collect2=yes
2374                 ;;
2375         rs6000-ibm-aix[[456789]].* | powerpc-ibm-aix[[456789]].*)
2376                 tm_file=rs6000/aix41.h
2377                 if [[ x$host != x$target ]]
2378                 then
2379                         tmake_file=rs6000/t-xnewas
2380                 else
2381                         tmake_file=rs6000/t-newas
2382                 fi
2383                 xmake_file=rs6000/x-aix31
2384                 use_collect2=yes
2385                 ;;
2386         rs6000-ibm-aix*)
2387                 use_collect2=yes
2388                 ;;
2389         rs6000-bull-bosx)
2390                 use_collect2=yes
2391                 ;;
2392         rs6000-*-mach*)
2393                 tm_file=rs6000/mach.h
2394                 xm_file="${xm_file} rs6000/xm-mach.h"
2395                 xmake_file=rs6000/x-mach
2396                 use_collect2=yes
2397                 ;;
2398         rs6000-*-lynxos*)
2399                 tm_file=rs6000/lynx.h
2400                 xm_file=rs6000/xm-lynx.h
2401                 tmake_file=rs6000/t-rs6000
2402                 xmake_file=rs6000/x-lynx
2403                 use_collect2=yes
2404                 ;;
2405         sh-*-elf*)
2406                 tm_file=sh/elf.h
2407                 float_format=sh
2408                 ;;
2409         sh-*-rtems*)
2410                 tmake_file="sh/t-sh t-rtems"
2411                 tm_file=sh/rtems.h
2412                 float_format=sh
2413                 ;;
2414         sh-*-*)
2415                 float_format=sh
2416                 ;;
2417         sparc-tti-*)
2418                 tm_file=sparc/pbd.h
2419                 xm_file="xm-alloca.h ${xm_file}"
2420                 xm_defines=USG
2421                 ;;
2422         sparc-wrs-vxworks* | sparclite-wrs-vxworks*)
2423                 tm_file=sparc/vxsparc.h
2424                 tmake_file=sparc/t-vxsparc
2425                 use_collect2=yes
2426                 thread_file='vxworks'
2427                 ;;
2428         sparc-*-aout*)
2429                 tmake_file=sparc/t-sparcbare
2430                 tm_file="sparc/aout.h libgloss.h"
2431                 ;;
2432         sparc-*-netbsd*)
2433                 tm_file=sparc/netbsd.h
2434                 # On NetBSD, the headers are already okay, except for math.h.
2435                 fixincludes=fixinc.math
2436                 tmake_file=t-netbsd
2437                 ;;
2438         sparc-*-bsd*)
2439                 tm_file=sparc/bsd.h
2440                 ;;
2441         sparc-*-elf*)
2442                 tm_file=sparc/elf.h
2443                 tmake_file=sparc/t-elf
2444                 extra_parts="crti.o crtn.o crtbegin.o crtend.o"
2445                 #float_format=i128
2446                 float_format=i64
2447                 ;;
2448         sparc-*-linux-gnuaout*)         # Sparc's running GNU/Linux, a.out
2449                 xm_file="${xm_file} sparc/xm-linux.h"
2450                 tm_file=sparc/linux-aout.h
2451                 xmake_file=x-linux
2452                 fixincludes=Makefile.in #On Linux, the headers are ok already.
2453                 gnu_ld=yes
2454                 ;;
2455         sparc-*-linux-gnulibc1*)        # Sparc's running GNU/Linux, libc5
2456                 xm_file="${xm_file} sparc/xm-linux.h"
2457                 xmake_file=x-linux
2458                 tm_file=sparc/linux.h
2459                 tmake_file="t-linux t-linux-gnulibc1"
2460                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2461                 fixincludes=Makefile.in #On Linux, the headers are ok already.
2462                 gnu_ld=yes
2463                 ;;
2464         sparc-*-linux-gnu*)             # Sparc's running GNU/Linux, libc6
2465                 xm_file="${xm_file} sparc/xm-linux.h"
2466                 xmake_file=x-linux
2467                 tm_file=sparc/linux.h
2468                 tmake_file="t-linux"
2469                 extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
2470                 fixincludes=Makefile.in #On Linux, the headers are ok already.
2471                 gnu_ld=yes
2472                 if [[ x$enable_threads = xyes ]]; then
2473                         thread_file='posix'
2474                 fi
2475                 ;;
2476         sparc-*-lynxos*)
2477                 if [[ x$gas = xyes ]]
2478                 then
2479                         tm_file=sparc/lynx.h
2480                 else
2481                         tm_file=sparc/lynx-ng.h
2482                 fi
2483                 xm_file=sparc/xm-lynx.h
2484                 tmake_file=sparc/t-sunos41
2485                 xmake_file=x-lynx
2486                 ;;
2487         sparc-*-rtems*)
2488                 tmake_file="sparc/t-sparcbare t-rtems"
2489                 tm_file=sparc/rtems.h
2490                 ;;
2491         sparc-*-solaris2*)
2492                 if [[ x$gnu_ld = xyes ]]
2493                 then
2494                         tm_file=sparc/sol2.h
2495                 else
2496                         tm_file=sparc/sol2-sld.h
2497                 fi
2498                 xm_file="xm-siglist.h sparc/xm-sysv4.h sparc/xm-sol2.h"
2499                 xm_defines="USG POSIX"
2500                 tmake_file=sparc/t-sol2
2501                 xmake_file=sparc/x-sysv4
2502                 extra_parts="crt1.o crti.o crtn.o gcrt1.o gmon.o crtbegin.o crtend.o"
2503                 case $machine in
2504                 *-*-solaris2.[[0-4]])
2505                         fixincludes=fixinc.svr4;;
2506                 *)
2507                         fixincludes=fixinc.math;;
2508                 esac
2509                 float_format=i128
2510                 if [[ x${enable_threads} = x ]]; then
2511                     enable_threads=$have_pthread_h
2512                     if [[ x${enable_threads} = x ]]; then
2513                         enable_threads=$have_thread_h
2514                     fi
2515                 fi
2516                 if [[ x${enable_threads} = xyes ]]; then
2517                     if [[ x${have_pthread_h} = xyes ]]; then
2518                         thread_file='posix'
2519                     else
2520                         thread_file='solaris'
2521                     fi
2522                 fi
2523                 ;;
2524         sparc-*-sunos4.0*)
2525                 tm_file=sparc/sunos4.h
2526                 tmake_file=sparc/t-sunos40
2527                 use_collect2=yes
2528                 ;;
2529         sparc-*-sunos4*)
2530                 tm_file=sparc/sunos4.h
2531                 tmake_file=sparc/t-sunos41
2532                 use_collect2=yes
2533                 if [[ x$gas = xyes ]]; then
2534                         tm_file="${tm_file} sparc/sun4gas.h"
2535                 fi
2536                 ;;
2537         sparc-*-sunos3*)
2538                 tm_file=sparc/sun4o3.h
2539                 use_collect2=yes
2540                 ;;
2541         sparc-*-sysv4*)
2542                 tm_file=sparc/sysv4.h
2543                 xm_file="xm-siglist.h sparc/xm-sysv4.h"
2544                 xm_defines="USG POSIX"
2545                 tmake_file=t-svr4
2546                 xmake_file=sparc/x-sysv4
2547                 extra_parts="crtbegin.o crtend.o"
2548                 ;;
2549         sparc-*-vxsim*)
2550                 xm_file="sparc/xm-sysv4.h sparc/xm-sol2.h"
2551                 tm_file=sparc/vxsim.h
2552                 tmake_file=sparc/t-vxsparc
2553                 xmake_file=sparc/x-sysv4
2554                 ;;
2555         sparclet-*-aout*)
2556                 tm_file="sparc/splet.h libgloss.h"
2557                 tmake_file=sparc/t-splet
2558                 ;;
2559         sparclite-*-coff*)
2560                 tm_file="sparc/litecoff.h libgloss.h"
2561                 tmake_file=sparc/t-sparclite
2562                 ;;
2563         sparclite-*-aout*)
2564                 tm_file="sparc/lite.h aoutos.h libgloss.h"
2565                 tmake_file=sparc/t-sparclite
2566                 ;;
2567         sparc64-*-aout*)
2568                 tmake_file=sparc/t-sp64
2569                 tm_file=sparc/sp64-aout.h
2570                 ;;
2571         sparc64-*-elf*)
2572                 tmake_file=sparc/t-sp64
2573                 tm_file=sparc/sp64-elf.h
2574                 extra_parts="crtbegin.o crtend.o"
2575                 ;;
2576         sparc64-*-linux*)               # 64-bit Sparc's running GNU/Linux
2577                 tmake_file=sparc/t-sp64
2578                 xm_file="sparc/xm-sp64.h sparc/xm-linux.h"
2579                 tm_file=sparc/linux64.h
2580                 xmake_file=x-linux
2581                 fixincludes=Makefile.in # The headers are ok already.
2582                 gnu_ld=yes
2583                 ;;
2584 # This hasn't been upgraded to GCC 2.
2585 #       tahoe-harris-*)                 # Harris tahoe, using COFF.
2586 #               tm_file=tahoe/harris.h
2587 #               ;;
2588 #       tahoe-*-bsd*)                   # tahoe running BSD
2589 #               ;;
2590         thumb-*-coff* | thumbel-*-coff*)
2591                 tm_file=arm/tcoff.h
2592                 out_file=arm/thumb.c
2593                 xm_file=arm/xm-thumb.h
2594                 md_file=arm/thumb.md
2595                 tmake_file=arm/t-thumb
2596                 ;;
2597 # This hasn't been upgraded to GCC 2.
2598 #       tron-*-*)
2599 #               cpu_type=gmicro
2600 #               use_collect2=yes
2601 #               ;;
2602         v850-*-*)
2603                 cpu_type=v850
2604                 tm_file="v850/v850.h"
2605                 xm_file="v850/xm-v850.h"
2606                 tmake_file=v850/t-v850
2607                 if [[ x$stabs = xyes ]]
2608                 then
2609                         tm_file="${tm_file} dbx.h"
2610                 fi
2611                 use_collect2=no
2612                 ;;
2613         vax-*-bsd*)                     # vaxen running BSD
2614                 use_collect2=yes
2615                 float_format=vax
2616                 ;;
2617         vax-*-sysv*)                    # vaxen running system V
2618                 tm_file="${tm_file} vax/vaxv.h"
2619                 xm_defines=USG
2620                 float_format=vax
2621                 ;;
2622         vax-*-netbsd*)
2623                 tm_file="${tm_file} netbsd.h vax/netbsd.h"
2624                 # On NetBSD, the headers are already okay, except for math.h.
2625                 fixincludes=fixinc.math
2626                 tmake_file=t-netbsd
2627                 float_format=vax
2628                 ;;
2629         vax-*-ultrix*)                  # vaxen running ultrix
2630                 tm_file="${tm_file} vax/ultrix.h"
2631                 use_collect2=yes
2632                 float_format=vax
2633                 ;;
2634         vax-*-vms*)                     # vaxen running VMS
2635                 xm_file=vax/xm-vms.h
2636                 tm_file=vax/vms.h
2637                 float_format=vax
2638                 ;;
2639         vax-*-*)                        # vax default entry
2640                 float_format=vax
2641                 ;;
2642         we32k-att-sysv*)
2643                 xm_file="${xm_file} xm-svr3"
2644                 use_collect2=yes
2645                 ;;
2646         *)
2647                 echo "Configuration $machine not supported" 1>&2
2648                 exit 1
2649                 ;;
2650         esac
2651
2652         case $machine in
2653         *-*-linux-gnu*)
2654                 ;; # Existing GNU/Linux systems do not use the GNU setup.
2655         *-*-gnu*)
2656                 # On the GNU system, the setup is just about the same on
2657                 # each different CPU.  The specific machines that GNU
2658                 # supports are matched above and just set $cpu_type.
2659                 xm_file="xm-gnu.h ${xm_file}"
2660                 tm_file=${cpu_type}/gnu.h
2661                 extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
2662                 # GNU always uses ELF.
2663                 elf=yes
2664                 # GNU tools are the only tools.
2665                 gnu_ld=yes
2666                 gas=yes
2667                 # On GNU, the headers are already okay.
2668                 fixincludes=Makefile.in
2669                 xmake_file=x-linux      # These details are the same as Linux.
2670                 tmake_file=t-gnu        # These are not.
2671                 ;;
2672         *-*-sysv4*)
2673                 fixincludes=fixinc.svr4
2674                 xmake_try_sysv=x-sysv
2675                 install_headers_dir=install-headers-cpio
2676                 ;;
2677         *-*-sysv*)
2678                 install_headers_dir=install-headers-cpio
2679                 ;;
2680         esac
2681
2682         # Distinguish i[34567]86
2683         # Also, do not run mips-tfile on MIPS if using gas.
2684         # Process --with-cpu= for PowerPC/rs6000
2685         target_cpu_default2=
2686         case $machine in
2687         i486-*-*)
2688                 target_cpu_default2=1
2689                 ;;
2690         i586-*-*)
2691                 target_cpu_default2=2
2692                 ;;
2693         i686-*-* | i786-*-*)
2694                 target_cpu_default2=3
2695                 ;;
2696         alpha*-*-*)
2697                 case $machine in
2698                         alphaev6*)
2699                                 target_cpu_default2="MASK_CPU_EV6|MASK_BXW|MASK_CIX|MASK_MAX"
2700                                 ;;
2701                         alphapca56*)
2702                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX|MASK_MAX"
2703                                 ;;
2704                         alphaev56*)
2705                                 target_cpu_default2="MASK_CPU_EV5|MASK_BWX"
2706                                 ;;
2707                         alphaev5*)
2708                                 target_cpu_default2="MASK_CPU_EV5"
2709                                 ;;
2710                 esac
2711
2712                 if [[ x$gas = xyes ]]
2713                 then
2714                         if [[ "$target_cpu_default2" = "" ]]
2715                         then
2716                                 target_cpu_default2="MASK_GAS"
2717                         else
2718                                 target_cpu_default2="${target_cpu_default2}|MASK_GAS"
2719                         fi
2720                 fi
2721                 ;;
2722         arm*-*-*)
2723                 case "x$with_cpu" in
2724                         x)
2725                                 # The most generic
2726                                 target_cpu_default2="TARGET_CPU_generic"
2727                                 ;;
2728
2729                         # Distinguish cores, and major variants
2730                         # arm7m doesn't exist, but D & I don't affect code
2731                         xarm[23678] | xarm250 | xarm[67][01]0 \
2732                         | xarm7m | xarm7dm | xarm7dmi | xarm7tdmi \
2733                         | xarm7100 | xarm7500 | xarm7500fe | xarm810 \
2734                         | xstrongarm | xstrongarm110)
2735                                 target_cpu_default2="TARGET_CPU_$with_cpu"
2736                                 ;;
2737
2738                         xyes | xno)
2739                                 echo "--with-cpu must be passed a value" 1>&2
2740                                 exit 1
2741                                 ;;
2742
2743                         *)
2744                                 if [[ x$pass2done = xyes ]]
2745                                 then
2746                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
2747                                         exit 1
2748                                 fi
2749                                 ;;
2750                 esac
2751                 ;;
2752
2753         mips*-*-ecoff* | mips*-*-elf*)
2754                 if [[ x$gas = xyes ]]
2755                 then
2756                         if [[ x$gnu_ld = xyes ]]
2757                         then
2758                                 target_cpu_default2=20
2759                         else
2760                                 target_cpu_default2=16
2761                         fi
2762                 fi
2763                 ;;
2764         mips*-*-*)
2765                 if [[ x$gas = xyes ]]
2766                 then
2767                         target_cpu_default2=16
2768                 fi
2769                 ;;
2770         powerpc*-*-* | rs6000-*-*)
2771                 case "x$with_cpu" in
2772                         x)
2773                                 ;;
2774
2775                         xcommon | xpower | xpower2 | xpowerpc | xrios \
2776                           | xrios1 | xrios2 | xrsc | xrsc1 \
2777                           | x601 | x602 | x603 | x603e | x604 | x604e | x620 \
2778                           | x403 | x505 | x801 | x821 | x823 | x860)
2779                                 target_cpu_default2="\"$with_cpu\""
2780                                 ;;
2781
2782                         xyes | xno)
2783                                 echo "--with-cpu must be passed a value" 1>&2
2784                                 exit 1
2785                                 ;;
2786
2787                         *)
2788                                 if [[ x$pass2done = xyes ]]
2789                                 then
2790                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
2791                                         exit 1
2792                                 fi
2793                                 ;;
2794                 esac
2795                 ;;
2796         sparc*-*-*)
2797                 case ".$with_cpu" in
2798                         .)
2799                                 target_cpu_default2=TARGET_CPU_"`echo $machine | sed 's/-.*$//'`"
2800                                 ;;
2801                         .supersparc | .ultrasparc | .v7 | .v8 | .v9)
2802                                 target_cpu_default2="TARGET_CPU_$with_cpu"
2803                                 ;;
2804                         *)
2805                                 if [[ x$pass2done = xyes ]]
2806                                 then
2807                                         echo "Unknown cpu used with --with-cpu=$with_cpu" 1>&2
2808                                         exit 1
2809                                 fi
2810                                 ;;
2811                 esac
2812                 ;;
2813         esac
2814
2815         if [[ "$target_cpu_default2" != "" ]]
2816         then
2817                 if [[ "$target_cpu_default" != "" ]]
2818                 then
2819                         target_cpu_default="(${target_cpu_default}|${target_cpu_default2})"
2820                 else
2821                         target_cpu_default=$target_cpu_default2
2822                 fi
2823         fi
2824
2825         # No need for collect2 if we have the GNU linker.
2826         case x$gnu_ld in
2827         xyes)
2828                 use_collect2=
2829                 ;;
2830         esac
2831
2832 # Save data on machine being used to compile GCC in build_xm_file.
2833 # Save data on host machine in vars host_xm_file and host_xmake_file.
2834         if [[ x$pass1done = x ]]
2835         then
2836                 if [[ x"$xm_file" = x ]]
2837                 then build_xm_file=$cpu_type/xm-$cpu_type.h
2838                 else build_xm_file=$xm_file
2839                 fi
2840                 build_xm_defines=$xm_defines
2841                 build_install_headers_dir=$install_headers_dir
2842                 build_exeext=$exeext
2843                 pass1done=yes
2844         else
2845                 if [[ x$pass2done = x ]]
2846                 then
2847                         if [[ x"$xm_file" = x ]]
2848                         then host_xm_file=$cpu_type/xm-$cpu_type.h
2849                         else host_xm_file=$xm_file
2850                         fi
2851                         host_xm_defines=$xm_defines
2852                         if [[ x"$xmake_file" = x ]]
2853                         then xmake_file=$cpu_type/x-$cpu_type
2854                         fi
2855                         host_xmake_file="$xmake_file"
2856                         host_truncate_target=$truncate_target
2857                         host_extra_gcc_objs=$extra_gcc_objs
2858                         host_extra_objs=$extra_host_objs
2859                         host_exeext=$exeext
2860                         pass2done=yes
2861                 fi
2862         fi
2863 done
2864
2865 extra_objs="${host_extra_objs} ${extra_objs}"
2866
2867 # Default the target-machine variables that were not explicitly set.
2868 if [[ x"$tm_file" = x ]]
2869 then tm_file=$cpu_type/$cpu_type.h; fi
2870
2871 if [[ x$extra_headers = x ]]
2872 then extra_headers=; fi
2873
2874 if [[ x"$xm_file" = x ]]
2875 then xm_file=$cpu_type/xm-$cpu_type.h; fi
2876
2877 if [[ x$md_file = x ]]
2878 then md_file=$cpu_type/$cpu_type.md; fi
2879
2880 if [[ x$out_file = x ]]
2881 then out_file=$cpu_type/$cpu_type.c; fi
2882
2883 if [[ x"$tmake_file" = x ]]
2884 then tmake_file=$cpu_type/t-$cpu_type
2885 fi
2886
2887 if [[ x$float_format = x ]]
2888 then float_format=i64
2889 fi
2890
2891 if [[ x$enable_haifa = x ]]
2892 then
2893   case $target in
2894     alpha*-* | hppa1.?-* | powerpc*-* | rs6000-*)
2895       enable_haifa=yes;;
2896   esac
2897 fi
2898
2899 # Say what files are being used for the output code and MD file.
2900 echo "Using \`$srcdir/config/$out_file' to output insns."
2901 echo "Using \`$srcdir/config/$md_file' as machine description file."
2902
2903 count=a
2904 for f in $tm_file; do
2905         count=${count}x
2906 done
2907 if [[ $count = ax ]]; then
2908         echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
2909 else
2910         echo "Using the following target machine macro files:"
2911         for f in $tm_file; do
2912                 echo "  $srcdir/config/$f"
2913         done
2914 fi
2915
2916 count=a
2917 for f in $host_xm_file; do
2918         count=${count}x
2919 done
2920 if [[ $count = ax ]]; then
2921         echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
2922 else
2923         echo "Using the following host machine macro files:"
2924         for f in $host_xm_file; do
2925                 echo "  $srcdir/config/$f"
2926         done
2927 fi
2928
2929 if [[ "$host_xm_file" != "$build_xm_file" ]]; then
2930         count=a
2931         for f in $build_xm_file; do
2932                 count=${count}x
2933         done
2934         if [[ $count = ax ]]; then
2935                 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
2936         else
2937                 echo "Using the following build machine macro files:"
2938                 for f in $build_xm_file; do
2939                         echo "  $srcdir/config/$f"
2940                 done
2941         fi
2942 fi
2943
2944 if [[ x$thread_file = x ]]; then
2945         if [[ x$target_thread_file != x ]]; then
2946                 thread_file=$target_thread_file
2947         else
2948                 thread_file='single'
2949         fi
2950 fi
2951
2952 # Set up the header files.
2953 # $links is the list of header files to create.
2954 # $vars is the list of shell variables with file names to include.
2955 # auto-host.h is the file containing items generated by autoconf and is
2956 # the first file included by config.h.
2957 null_defines=
2958 host_xm_file="auto-host.h ${host_xm_file}"
2959
2960 # If host=build, it is correct to have hconfig include auto-host.h
2961 # as well.  If host!=build, we are in error and need to do more
2962 # work to find out the build config parameters.
2963 if [[ x$host = x$build ]]
2964 then
2965         build_xm_file="auto-host.h ${build_xm_file}"
2966 else
2967         # We create a subdir, then run autoconf in the subdir.
2968         # To prevent recursion we set host and build for the new
2969         # invocation of configure to the build for this invocation
2970         # of configure.
2971         tempdir=build.$$
2972         rm -rf $tempdir
2973         mkdir $tempdir
2974         cd $tempdir
2975         case ${srcdir} in
2976         /*) realsrcdir=${srcdir};;
2977         *) realsrcdir=../${srcdir};;
2978         esac
2979         CC=${BUILD_CC-cc} ${realsrcdir}/configure \
2980                 --target=$target --host=$build --build=$build
2981
2982         # We just finished tests for the build machine, so rename
2983         # the file auto-build.h in the gcc directory.
2984         mv auto-host.h ../auto-build.h
2985         cd ..
2986         rm -rf $tempdir
2987         build_xm_file="auto-build.h ${build_xm_file}"
2988 fi
2989
2990 vars="host_xm_file tm_file xm_file build_xm_file"
2991 links="config.h tm.h tconfig.h hconfig.h"
2992 defines="host_xm_defines null_defines xm_defines build_xm_defines"
2993
2994 rm -f config.bak
2995 if [[ -f config.status ]]; then mv -f config.status config.bak; fi
2996
2997 # Make the links.
2998 while [[ -n "$vars" ]]
2999 do
3000         set $vars; var=$1; shift; vars=$*
3001         set $links; link=$1; shift; links=$*
3002         set $defines; define=$1; shift; defines=$*
3003
3004         rm -f $link
3005
3006         # Define TARGET_CPU_DEFAULT if the system wants one.
3007         # This substitutes for lots of *.h files.
3008         if [[ "$target_cpu_default" != "" -a $link = tm.h ]]
3009         then
3010                 echo "#define TARGET_CPU_DEFAULT ($target_cpu_default)" >>$link
3011         fi
3012
3013         for file in `eval echo '$'$var`; do
3014                 echo "#include \"$file\"" >>$link
3015         done
3016
3017         for def in `eval echo '$'$define`; do
3018                 echo "#ifndef $def" >>$link
3019                 echo "#define $def" >>$link
3020                 echo "#endif" >>$link
3021         done
3022 done
3023
3024 # Truncate the target if necessary
3025 if [[ x$host_truncate_target != x ]]; then
3026         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
3027 fi
3028
3029 # Get the version number from the toplevel
3030 version=`sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/' < ${srcdir}/version.c`
3031
3032 # Get an absolute path to the GCC top-level source directory
3033 holddir=`pwd`
3034 cd $srcdir
3035 topdir=`pwd`
3036 cd $holddir
3037
3038 # Conditionalize the makefile for this host machine.
3039 # Make-host contains the concatenation of all host makefile fragments
3040 # [there can be more than one].  This file is built by configure.frag.
3041 host_overrides=Make-host
3042 dep_host_xmake_file=
3043 for f in .. ${host_xmake_file}
3044 do
3045         if [[ -f ${srcdir}/config/$f ]]
3046         then
3047                 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
3048         fi
3049 done
3050
3051 # Conditionalize the makefile for this target machine.
3052 # Make-target contains the concatenation of all host makefile fragments
3053 # [there can be more than one].  This file is built by configure.frag.
3054 target_overrides=Make-target
3055 dep_tmake_file=
3056 for f in .. ${tmake_file}
3057 do
3058         if [[ -f ${srcdir}/config/$f ]]
3059         then
3060                 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
3061         fi
3062 done
3063
3064 # If the host doesn't support symlinks, modify CC in
3065 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
3066 # Otherwise, we can use "CC=$(CC)".
3067 rm -f symtest.tem
3068 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
3069 then
3070         cc_set_by_configure="\$(CC)"
3071         stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
3072 else
3073         rm -f symtest.tem
3074         if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
3075         then
3076                 symbolic_link="cp -p"
3077         else
3078                 symbolic_link="cp"
3079         fi
3080         cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
3081         stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
3082 fi
3083 rm -f symtest.tem
3084
3085 out_object_file=`basename $out_file .c`.o
3086
3087 tm_file_list=
3088 for f in $tm_file; do
3089         tm_file_list="${tm_file_list} \$(srcdir)/config/$f"
3090 done
3091
3092 host_xm_file_list=
3093 for f in $host_xm_file; do
3094         if test $f != "auto-host.h"; then
3095                 host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f"
3096         else
3097                 host_xm_file_list="${host_xm_file_list} auto-host.h"
3098         fi
3099 done
3100
3101 build_xm_file_list=
3102 for f in $build_xm_file; do
3103         if test $f != "auto-build.h"; then
3104                 if test $f != "auto-host.h"; then
3105                         build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f"
3106                 else
3107                         build_xm_file_list="${build_xm_file_list} auto-host.h"
3108                 fi
3109         else
3110                 build_xm_file_list="${build_xm_file_list} auto-build.h"
3111         fi
3112 done
3113
3114 # Define macro CROSS_COMPILE in compilation
3115 # if this is a cross-compiler.
3116 # Also use all.cross instead of all.internal
3117 # and add cross-make to Makefile.
3118 cross_overrides="/dev/null"
3119 if [[ x$host != x$target ]]
3120 then
3121         cross_defines="CROSS=-DCROSS_COMPILE"
3122         cross_overrides="${topdir}/cross-make"
3123 fi
3124
3125 # When building gcc with a cross-compiler, we need to fix a few things.
3126 # This must come after cross-make as we want all.build to override
3127 # all.cross.
3128 build_overrides="/dev/null"
3129 if [[ x$build != x$host ]]
3130 then
3131         build_overrides="${topdir}/build-make"
3132 fi
3133
3134 # Expand extra_headers to include complete path.
3135 # This substitutes for lots of t-* files.
3136 extra_headers_list=
3137 if [[ "x$extra_headers" = x ]]
3138 then true
3139 else
3140         # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
3141         for file in $extra_headers;
3142         do
3143                 extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
3144         done
3145 fi
3146
3147 # Add a definition of USE_COLLECT2 if system wants one.
3148 # Also tell toplev.c what to do.
3149 # This substitutes for lots of t-* files.
3150 if [[ x$use_collect2 = x ]]
3151 then
3152         will_use_collect2=
3153         maybe_use_collect2=
3154 else
3155         will_use_collect2="collect2"
3156         maybe_use_collect2="-DUSE_COLLECT2"
3157 fi
3158
3159 # NEED TO CONVERT
3160 # Set MD_DEPS if the real md file is in md.pre-cpp.
3161 # Set MD_CPP to the cpp to pass the md file through.  Md files use ';'
3162 # for line oriented comments, so we must always use a GNU cpp.  If
3163 # building gcc with a cross compiler, use the cross compiler just
3164 # built.  Otherwise, we can use the cpp just built.
3165 md_file_sub=
3166 if [[ "x$md_cppflags" = x ]]
3167 then
3168         md_file_sub=$srcdir/config/$md_file
3169 else
3170         md_file=md
3171 fi
3172
3173 # If we have gas in the build tree, make a link to it.
3174 if [[ -f ../gas/Makefile ]]; then
3175         rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
3176 fi
3177
3178 # If we have ld in the build tree, make a link to it.
3179 if [[ -f ../ld/Makefile ]]; then
3180 #       if [[ x$use_collect2 = x ]]; then
3181 #               rm -f ld; $symbolic_link ../ld/ld-new$host_exeext ld$host_exeext 2>/dev/null
3182 #       else
3183                 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
3184 #       fi
3185 fi
3186
3187 # Figure out what language subdirectories are present.
3188 subdirs=
3189 for lang in ${srcdir}/*/config-lang.in ..
3190 do
3191         case $lang in
3192         ..) ;;
3193         # The odd quoting in the next line works around
3194         # an apparent bug in bash 1.12 on linux.
3195         ${srcdir}/[[*]]/config-lang.in) ;;
3196         *) subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([[^/]]*\)/config-lang.in$,\1,'`" ;;
3197         esac
3198 done
3199
3200 # Make gthr-default.h if we have a thread file.
3201 gthread_flags=
3202 if [[ $thread_file != single ]]; then
3203     rm -f gthr-default.h
3204     echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
3205     gthread_flags=-DHAVE_GTHR_DEFAULT
3206 fi
3207 AC_SUBST(gthread_flags)
3208
3209 # Make empty files to contain the specs and options for each language.
3210 # Then add #include lines to for a compiler that has specs and/or options.
3211
3212 lang_specs_files=
3213 lang_options_files=
3214 rm -f specs.h options.h
3215 touch specs.h options.h
3216 for subdir in . $subdirs
3217 do
3218         if [[ -f $srcdir/$subdir/lang-specs.h ]]; then
3219                 echo "#include \"$subdir/lang-specs.h\"" >>specs.h
3220                 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
3221         fi
3222         if [[ -f $srcdir/$subdir/lang-options.h ]]; then
3223                 echo "#include \"$subdir/lang-options.h\"" >>options.h
3224                 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
3225         fi
3226 done
3227
3228 # These (without "all_") are set in each config-lang.in.
3229 # `language' must be a single word so is spelled singularly.
3230 all_languages=
3231 all_boot_languages=
3232 all_compilers=
3233 all_stagestuff=
3234 all_diff_excludes=
3235 all_outputs=Makefile
3236 # List of language makefile fragments.
3237 all_lang_makefiles=
3238 all_headers=
3239 all_lib2funcs=
3240
3241 # Add the language fragments.
3242 # Languages are added via two mechanisms.  Some information must be
3243 # recorded in makefile variables, these are defined in config-lang.in.
3244 # We accumulate them and plug them into the main Makefile.
3245 # The other mechanism is a set of hooks for each of the main targets
3246 # like `clean', `install', etc.
3247
3248 language_fragments="Make-lang"
3249 language_hooks="Make-hooks"
3250 oldstyle_subdirs=
3251
3252 for s in .. $subdirs
3253 do
3254         if [[ $s != ".." ]]
3255         then
3256                 language=
3257                 boot_language=
3258                 compilers=
3259                 stagestuff=
3260                 diff_excludes=
3261                 headers=
3262                 outputs=
3263                 lib2funcs=
3264                 . ${srcdir}/$s/config-lang.in
3265                 if [[ "x$language" = x ]]
3266                 then
3267                         echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
3268                         exit 1
3269                 fi
3270                 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in ${srcdir}/$s/Makefile.in"
3271                 all_languages="$all_languages $language"
3272                 if [[ "x$boot_language" = xyes ]]
3273                 then
3274                         all_boot_languages="$all_boot_languages $language"
3275                 fi
3276                 all_compilers="$all_compilers $compilers"
3277                 all_stagestuff="$all_stagestuff $stagestuff"
3278                 all_diff_excludes="$all_diff_excludes $diff_excludes"
3279                 all_headers="$all_headers $headers"
3280                 all_outputs="$all_outputs $outputs"
3281                 if [[ x$outputs = x ]]
3282                 then
3283                         oldstyle_subdirs="$oldstyle_subdirs $s"
3284                 fi
3285                 all_lib2funcs="$all_lib2funcs $lib2funcs"
3286         fi
3287 done
3288
3289 # Since we can't use `::' targets, we link each language in
3290 # with a set of hooks, reached indirectly via lang.${target}.
3291
3292 rm -f Make-hooks
3293 touch Make-hooks
3294 target_list="all.build all.cross start.encap rest.encap \
3295         info dvi \
3296         install-normal install-common install-info install-man \
3297         uninstall distdir \
3298         mostlyclean clean distclean extraclean maintainer-clean \
3299         stage1 stage2 stage3 stage4"
3300 for t in $target_list
3301 do
3302         x=
3303         for l in .. $all_languages
3304         do
3305                 if [[ $l != ".." ]]; then
3306                         x="$x $l.$t"
3307                 fi
3308         done
3309         echo "lang.$t: $x" >> Make-hooks
3310 done
3311
3312 # If we're not building in srcdir, create .gdbinit.
3313
3314 if [[ ! -f Makefile.in ]]; then
3315         echo "dir ." > .gdbinit
3316         echo "dir ${srcdir}" >> .gdbinit
3317         if [[ x$gdb_needs_out_file_path = xyes ]]
3318         then
3319                 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
3320         fi
3321         if [[ "x$subdirs" != x ]]; then
3322                 for s in $subdirs
3323                 do
3324                         echo "dir ${srcdir}/$s" >> .gdbinit
3325                 done
3326         fi
3327         echo "source ${srcdir}/.gdbinit" >> .gdbinit
3328 fi
3329
3330 # If this is using newlib, then define inhibit_libc in
3331 # LIBGCC2_CFLAGS.  This will cause __eprintf to be left out of
3332 # libgcc.a, but that's OK because newib should have its own version of
3333 # assert.h.
3334 inhibit_libc=
3335 if [[ x$with_newlib = xyes ]]; then
3336         inhibit_libc=-Dinhibit_libc
3337 fi
3338 AC_SUBST(inhibit_libc)
3339
3340 # Override SCHED_OBJ and SCHED_CFLAGS to enable the Haifa scheduler.
3341 sched_prefix=
3342 sched_cflags=
3343 if [[ x$enable_haifa = xyes ]]; then
3344     echo "Using the Haifa scheduler."
3345     sched_prefix=haifa-
3346     sched_cflags=-DHAIFA
3347 fi
3348 AC_SUBST(sched_prefix)
3349 AC_SUBST(sched_cflags)
3350 if [[ x$enable_haifa != x ]]; then
3351     # Explicitly remove files that need to be recompiled for the Haifa scheduler.
3352     for x in genattrtab.o toplev.o loop.o unroll.o *sched.o; do
3353         if [[ -f $x ]]; then
3354             echo "Removing $x"
3355             rm -f $x
3356         fi
3357     done
3358 fi
3359
3360 # Process the language and host/target makefile fragments.
3361 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
3362
3363 # Substitute configuration variables
3364 AC_SUBST(subdirs)
3365 AC_SUBST(all_languages)
3366 AC_SUBST(all_boot_languages)
3367 AC_SUBST(all_compilers)
3368 AC_SUBST(all_lang_makefiles)
3369 AC_SUBST(all_stagestuff)
3370 AC_SUBST(all_diff_excludes)
3371 AC_SUBST(all_lib2funcs)
3372 AC_SUBST(all_headers)
3373 AC_SUBST(extra_passes)
3374 AC_SUBST(extra_programs)
3375 AC_SUBST(extra_parts)
3376 AC_SUBST(extra_c_objs)
3377 AC_SUBST(extra_c_flags)
3378 AC_SUBST(extra_objs)
3379 AC_SUBST(host_extra_gcc_objs)
3380 AC_SUBST(extra_headers_list)
3381 AC_SUBST(dep_host_xmake_file)
3382 AC_SUBST(dep_tmake_file)
3383 AC_SUBST(out_file)
3384 AC_SUBST(out_object_file)
3385 AC_SUBST(md_file)
3386 AC_SUBST(tm_file_list)
3387 AC_SUBST(build_xm_file_list)
3388 AC_SUBST(host_xm_file_list)
3389 AC_SUBST(lang_specs_files)
3390 AC_SUBST(lang_options_files)
3391 AC_SUBST(thread_file)
3392 AC_SUBST(version)
3393 AC_SUBST(local_prefix)
3394 AC_SUBST(gxx_include_dir)
3395 AC_SUBST(fixincludes)
3396 AC_SUBST(build_install_headers_dir)
3397 AC_SUBST(build_exeext)
3398 AC_SUBST(host_exeext)
3399 AC_SUBST(float_format)
3400 AC_SUBST(will_use_collect2)
3401 AC_SUBST(maybe_use_collect2)
3402 AC_SUBST(cc_set_by_configure)
3403 AC_SUBST(stage_prefix_set_by_configure)
3404 AC_SUBST(install)
3405 AC_SUBST(symbolic_link)
3406
3407 AC_SUBST_FILE(target_overrides)
3408 AC_SUBST_FILE(host_overrides)
3409 AC_SUBST(cross_defines)
3410 AC_SUBST_FILE(cross_overrides)
3411 AC_SUBST_FILE(build_overrides)
3412 AC_SUBST_FILE(language_fragments)
3413 AC_SUBST_FILE(language_hooks)
3414
3415 # Echo that links are built
3416 if [[ x$host = x$target ]]
3417 then
3418         str1="native "
3419 else
3420         str1="cross-"
3421         str2=" from $host"
3422 fi
3423
3424 if [[ x$host != x$build ]]
3425 then
3426         str3=" on a $build system"
3427 fi
3428
3429 if [[ "x$str2" != x ]] || [[ "x$str3" != x ]]
3430 then
3431         str4=
3432 fi
3433
3434 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
3435
3436 if [[ "x$str2" != x ]] || [[ "x$str3" != x ]]
3437 then
3438         echo " ${str2}${str3}." 1>&2
3439 fi
3440
3441 # Truncate the target if necessary
3442 if [[ x$host_truncate_target != x ]]; then
3443         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
3444 fi
3445
3446 # Configure the subdirectories
3447 # AC_CONFIG_SUBDIRS($subdirs)
3448
3449 # Create the Makefile
3450 # and configure language subdirectories
3451 AC_OUTPUT($all_outputs,
3452 [
3453 . $srcdir/configure.lang
3454 case x$CONFIG_HEADERS in
3455 xauto-host.h:config.in)
3456 echo > cstamp-h ;;
3457 esac
3458 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
3459 # bootstrapping and the installation procedure can still use
3460 # CC="stage1/xgcc -Bstage1/".  If the host doesn't support symlinks,
3461 # FLAGS_TO_PASS has been modified to solve the problem there.
3462 # This is virtually a duplicate of what happens in configure.lang; we do
3463 # an extra check to make sure this only happens if ln -s can be used.
3464 if [[ "$symbolic_link" = "ln -s" ]]; then
3465  for d in .. ${subdirs} ; do
3466    if [[ $d != .. ]]; then
3467         STARTDIR=`pwd`
3468         cd $d
3469         for t in stage1 stage2 stage3 stage4 include
3470         do
3471                 rm -f $t
3472                 $symbolic_link ../$t $t 2>/dev/null
3473         done
3474         cd $STARTDIR
3475    fi
3476  done
3477 else true ; fi
3478 ],
3479 [
3480 host='${host}'
3481 build='${build}'
3482 target='${target}'
3483 target_alias='${target_alias}'
3484 srcdir='${srcdir}'
3485 subdirs='${subdirs}'
3486 oldstyle_subdirs='${oldstyle_subdirs}'
3487 symbolic_link='${symbolic_link}'
3488 program_transform_set='${program_transform_set}'
3489 program_transform_name='${program_transform_name}'
3490 dep_host_xmake_file='${dep_host_xmake_file}'
3491 host_xmake_file='${host_xmake_file}'
3492 dep_tmake_file='${dep_tmake_file}'
3493 tmake_file='${tmake_file}'
3494 thread_file='${thread_file}'
3495 version='${version}'
3496 local_prefix='${local_prefix}'
3497 build_install_headers_dir='${build_install_headers_dir}'
3498 build_exeext='${build_exeext}'
3499 host_exeext='${host_exeext}'
3500 out_file='${out_file}'
3501 gdb_needs_out_file_path='${gdb_needs_out_file_path}'
3502 SET_MAKE='${SET_MAKE}'
3503 target_list='${target_list}'
3504 target_overrides='${target_overrides}'
3505 host_overrides='${host_overrides}'
3506 cross_defines='${cross_defines}'
3507 cross_overrides='${cross_overrides}'
3508 build_overrides='${build_overrides}'
3509 ])