gcc/configure.in

   1 # configure.in for GCC
   2 # Process this file with autoconf to generate a configuration script.
   3
   4 # Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
   5
   6 #This file is part of GCC.
   7
   8 #GCC is free software; you can redistribute it and/or modify it under
   9 #the terms of the GNU General Public License as published by the Free
  10 #Software Foundation; either version 2, or (at your option) any later
  11 #version.
  12
  13 #GCC is distributed in the hope that it will be useful, but WITHOUT
  14 #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 #FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 #for more details.
  17
  18 #You should have received a copy of the GNU General Public License
  19 #along with GCC; see the file COPYING.  If not, write to the Free
  20 #Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  21 #02111-1307, USA.
  22
  23 # Initialization and defaults
  24 AC_PREREQ(2.13)
  25 AC_INIT(tree.c)
  26 AC_CONFIG_HEADER(auto-host.h:config.in)
  27
  28 remove=rm
  29 hard_link=ln
  30 symbolic_link='ln -s'
  31 copy=cp
  32
  33 # Check for bogus environment variables.
  34 # Test if LIBRARY_PATH contains the notation for the current directory
  35 # since this would lead to problems installing/building glibc.
  36 # LIBRARY_PATH contains the current directory if one of the following
  37 # is true:
  38 # - one of the terminals (":" and ";") is the first or last sign
  39 # - two terminals occur directly after each other
  40 # - the path contains an element with a dot in it
  41 AC_MSG_CHECKING(LIBRARY_PATH variable)
  42 changequote(,)dnl
  43 case ${LIBRARY_PATH} in
  44   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
  45     library_path_setting="contains current directory"
  46     ;;
  47   *)
  48     library_path_setting="ok"
  49     ;;
  50 esac
  51 changequote([,])dnl
  52 AC_MSG_RESULT($library_path_setting)
  53 if test "$library_path_setting" != "ok"; then
  54 AC_MSG_ERROR([
  55 *** LIBRARY_PATH shouldn't contain the current directory when
  56 *** building gcc. Please change the environment variable
  57 *** and run configure again.])
  58 fi
  59
  60 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
  61 # since this would lead to problems installing/building glibc.
  62 # GCC_EXEC_PREFIX contains the current directory if one of the following
  63 # is true:
  64 # - one of the terminals (":" and ";") is the first or last sign
  65 # - two terminals occur directly after each other
  66 # - the path contains an element with a dot in it
  67 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
  68 changequote(,)dnl
  69 case ${GCC_EXEC_PREFIX} in
  70   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
  71     gcc_exec_prefix_setting="contains current directory"
  72     ;;
  73   *)
  74     gcc_exec_prefix_setting="ok"
  75     ;;
  76 esac
  77 changequote([,])dnl
  78 AC_MSG_RESULT($gcc_exec_prefix_setting)
  79 if test "$gcc_exec_prefix_setting" != "ok"; then
  80 AC_MSG_ERROR([
  81 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
  82 *** building gcc. Please change the environment variable
  83 *** and run configure again.])
  84 fi
  85
  86 # Check for additional parameters
  87
  88 # With GNU ld
  89 AC_ARG_WITH(gnu-ld,
  90 [  --with-gnu-ld           arrange to work with GNU ld.],
  91 gnu_ld_flag="$with_gnu_ld",
  92 gnu_ld_flag=no)
  93
  94 # With pre-defined ld
  95 AC_ARG_WITH(ld,
  96 [  --with-ld               arrange to use the specified ld (full pathname)],
  97 DEFAULT_LINKER="$with_ld")
  98 if test x"${DEFAULT_LINKER+set}" = x"set"; then
  99   if test ! -x "$DEFAULT_LINKER"; then
 100     AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
 101   elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
 102     gnu_ld_flag=yes
 103   fi
 104   AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
 105         [Define to enable the use of a default linker.])
 106 fi
 107
 108 # With GNU as
 109 AC_ARG_WITH(gnu-as,
 110 [  --with-gnu-as           arrange to work with GNU as],
 111 gas_flag="$with_gnu_as",
 112 gas_flag=no)
 113
 114 AC_ARG_WITH(as,
 115 [  --with-as               arrange to use the specified as (full pathname)],
 116 DEFAULT_ASSEMBLER="$with_as")
 117 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
 118   if test ! -x "$DEFAULT_ASSEMBLER"; then
 119     AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
 120   elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
 121     gas_flag=yes
 122   fi
 123   AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
 124         [Define to enable the use of a default assembler.])
 125 fi
 126
 127 # With stabs
 128 AC_ARG_WITH(stabs,
 129 [  --with-stabs            arrange to use stabs instead of host debug format],
 130 stabs="$with_stabs",
 131 stabs=no)
 132
 133 # With ELF
 134 AC_ARG_WITH(elf,
 135 [  --with-elf              arrange to use ELF instead of host debug format],
 136 elf="$with_elf",
 137 elf=no)
 138
 139 # Specify the local prefix
 140 local_prefix=
 141 AC_ARG_WITH(local-prefix,
 142 [  --with-local-prefix=DIR specifies directory to put local include],
 143 [case "${withval}" in
 144 yes)    AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
 145 no)     ;;
 146 *)      local_prefix=$with_local_prefix ;;
 147 esac])
 148
 149 # Default local prefix if it is empty
 150 if test x$local_prefix = x; then
 151         local_prefix=/usr/local
 152 fi
 153
 154 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
 155 # passed in by the toplevel make and thus we'd get different behavior
 156 # depending on where we built the sources.
 157 gcc_gxx_include_dir=
 158 # Specify the g++ header file directory
 159 AC_ARG_WITH(gxx-include-dir,
 160 [  --with-gxx-include-dir=DIR
 161                           specifies directory to put g++ header files],
 162 [case "${withval}" in
 163 yes)    AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
 164 no)     ;;
 165 *)      gcc_gxx_include_dir=$with_gxx_include_dir ;;
 166 esac])
 167
 168 if test x${gcc_gxx_include_dir} = x; then
 169   if test x${enable_version_specific_runtime_libs} = xyes; then
 170     gcc_gxx_include_dir='${libsubdir}/include/g++'
 171   else
 172     topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
 173 changequote(<<, >>)dnl
 174     gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
 175 changequote([, ])dnl
 176   fi
 177 fi
 178
 179 # Determine whether or not multilibs are enabled.
 180 AC_ARG_ENABLE(multilib,
 181 [  --enable-multilib       enable library support for multiple ABIs],
 182 [], [enable_multilib=yes])
 183 AC_SUBST(enable_multilib)
 184
 185 # Enable expensive internal checks
 186 AC_ARG_ENABLE(checking,
 187 [  --enable-checking[=LIST]
 188                           enable expensive run-time checks.  With LIST,
 189                           enable only specific categories of checks.
 190                           Categories are: misc,tree,rtl,gc,gcac; default
 191                           is misc,tree,gc],
 192 [ac_checking=
 193 ac_tree_checking=
 194 ac_rtl_checking=
 195 ac_gc_checking=
 196 ac_gc_always_collect=
 197 case "${enableval}" in
 198 yes)    ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;;
 199 no)     ;;
 200 *)      IFS="${IFS=     }"; ac_save_IFS="$IFS"; IFS="$IFS,"
 201         set fnord $enableval; shift
 202         IFS="$ac_save_IFS"
 203         for check
 204         do
 205                 case $check in
 206                 misc)   ac_checking=1 ;;
 207                 tree)   ac_tree_checking=1 ;;
 208                 rtl)    ac_rtl_checking=1 ;;
 209                 gc)     ac_gc_checking=1 ;;
 210                 gcac)   ac_gc_always_collect=1 ;;
 211                 *)      AC_MSG_ERROR(unknown check category $check) ;;
 212                 esac
 213         done
 214         ;;
 215 esac
 216 ],
 217 # Enable some checks by default for development versions of GCC
 218 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1;])
 219 if test x$ac_checking != x ; then
 220   AC_DEFINE(ENABLE_CHECKING, 1,
 221 [Define if you want more run-time sanity checks.  This one gets a grab
 222    bag of miscellaneous but relatively cheap checks.])
 223 fi
 224 if test x$ac_tree_checking != x ; then
 225   AC_DEFINE(ENABLE_TREE_CHECKING, 1,
 226 [Define if you want all operations on trees (the basic data
 227    structure of the front ends) to be checked for dynamic type safety
 228    at runtime.  This is moderately expensive.])
 229 fi
 230 if test x$ac_rtl_checking != x ; then
 231   AC_DEFINE(ENABLE_RTL_CHECKING, 1,
 232 [Define if you want all operations on RTL (the basic data structure
 233    of the optimizer and back end) to be checked for dynamic type safety
 234    at runtime.  This is quite expensive.])
 235 fi
 236 if test x$ac_gc_checking != x ; then
 237   AC_DEFINE(ENABLE_GC_CHECKING, 1,
 238 [Define if you want the garbage collector to do object poisoning and
 239    other memory allocation checks.  This is quite expensive.])
 240 fi
 241 if test x$ac_gc_always_collect != x ; then
 242   AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
 243 [Define if you want the garbage collector to operate in maximally
 244    paranoid mode, validating the entire heap and collecting garbage at
 245    every opportunity.  This is extremely expensive.])
 246 fi
 247
 248
 249 AC_ARG_ENABLE(cpp,
 250 [  --disable-cpp           don't provide a user-visible C preprocessor],
 251 [], [enable_cpp=yes])
 252
 253 AC_ARG_WITH(cpp_install_dir,
 254 [  --with-cpp-install-dir=DIR
 255                           install the user visible C preprocessor in DIR
 256                           (relative to PREFIX) as well as PREFIX/bin],
 257 [if test x$withval = xyes; then
 258   AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
 259 elif test x$withval != xno; then
 260   cpp_install_dir=$withval
 261 fi])
 262
 263 # Enable Multibyte Characters for C/C++
 264 AC_ARG_ENABLE(c-mbchar,
 265 [  --enable-c-mbchar       enable multibyte characters for C and C++],
 266 if test x$enable_c_mbchar != xno; then
 267   AC_DEFINE(MULTIBYTE_CHARS, 1,
 268   [Define if you want the C and C++ compilers to support multibyte
 269    character sets for source code.])
 270 fi)
 271
 272 # Enable threads
 273 # Pass with no value to take the default
 274 # Pass with a value to specify a thread package
 275 AC_ARG_ENABLE(threads,
 276 [  --enable-threads        enable thread usage for target GCC
 277   --enable-threads=LIB    use LIB thread package for target GCC],,
 278 enable_threads='')
 279
 280 enable_threads_flag=$enable_threads
 281 # Check if a valid thread package
 282 case x${enable_threads_flag} in
 283         x | xno)
 284                 # No threads
 285                 target_thread_file='single'
 286                 ;;
 287         xyes)
 288                 # default
 289                 target_thread_file=''
 290                 ;;
 291         xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
 292         xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
 293                 target_thread_file=$enable_threads_flag
 294                 ;;
 295         *)
 296                 echo "$enable_threads is an unknown thread package" 1>&2
 297                 exit 1
 298                 ;;
 299 esac
 300
 301 AC_ARG_ENABLE(objc-gc,
 302 [  --enable-objc-gc       enable the use of Boehm's garbage collector with
 303                           the GNU Objective-C runtime],
 304 if test x$enable_objc_gc = xno; then
 305         objc_boehm_gc=''
 306 else
 307         objc_boehm_gc=1
 308 fi,
 309 objc_boehm_gc='')
 310
 311 AC_ARG_WITH(dwarf2,
 312 [  --with-dwarf2           force the default debug format to be DWARF 2],
 313 dwarf2="$with_dwarf2",
 314 dwarf2=no)
 315
 316 AC_ARG_ENABLE(shared,
 317 [  --disable-shared        don't provide a shared libgcc],
 318 [
 319   case $enable_shared in
 320   yes | no) ;;
 321   *)
 322     enable_shared=no
 323     IFS="${IFS=         }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
 324     for pkg in $enableval; do
 325       if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
 326         enable_shared=yes
 327       fi
 328     done
 329     IFS="$ac_save_ifs"
 330     ;;
 331   esac
 332 ], [enable_shared=yes])
 333 AC_SUBST(enable_shared)
 334
 335 # Determine the host, build, and target systems
 336 AC_CANONICAL_SYSTEM
 337
 338 # Set program_transform_name
 339 AC_ARG_PROGRAM
 340
 341 # Find the native compiler
 342 AC_PROG_CC
 343 AC_PROG_CC_C_O
 344 # autoconf is lame and doesn't give us any substitution variable for this.
 345 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
 346   NO_MINUS_C_MINUS_O=yes
 347 else
 348   OUTPUT_OPTION='-o $@'
 349 fi
 350 AC_SUBST(NO_MINUS_C_MINUS_O)
 351 AC_SUBST(OUTPUT_OPTION)
 352
 353 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
 354 ac_cv_prog_cc_no_long_long,
 355 [save_CFLAGS="$CFLAGS"
 356 CFLAGS="-Wno-long-long"
 357 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
 358                ac_cv_prog_cc_no_long_long=no)
 359 CFLAGS="$save_CFLAGS"])
 360 strict1_warn=
 361 if test $ac_cv_prog_cc_no_long_long = yes; then
 362   strict1_warn="-pedantic -Wno-long-long"
 363 fi
 364 AC_SUBST(strict1_warn)
 365
 366 AC_PROG_CPP
 367 AC_C_INLINE
 368 gcc_AC_C_VOLATILE
 369
 370 gcc_AC_C_LONG_DOUBLE
 371 gcc_AC_C_LONG_LONG
 372 gcc_AC_C__BOOL
 373
 374 # sizeof(char) is 1 by definition.
 375 gcc_AC_COMPILE_CHECK_SIZEOF(short)
 376 gcc_AC_COMPILE_CHECK_SIZEOF(int)
 377 gcc_AC_COMPILE_CHECK_SIZEOF(long)
 378 if test $ac_cv_c_long_long = yes; then
 379   gcc_AC_COMPILE_CHECK_SIZEOF(long long)
 380 fi
 381 if test $ac_cv_c___int64 = yes; then
 382   gcc_AC_COMPILE_CHECK_SIZEOF(__int64)
 383 fi
 384
 385 gcc_AC_C_CHARSET
 386
 387 # If the native compiler is GCC, we can enable warnings even in stage1.
 388 # That's useful for people building cross-compilers, or just running a
 389 # quick `make'.
 390 warn_cflags=
 391 if test "x$GCC" = "xyes"; then
 392   warn_cflags='$(GCC_WARN_CFLAGS)'
 393 fi
 394 AC_SUBST(warn_cflags)
 395
 396 # Stage specific cflags for build.
 397 stage1_cflags=
 398 case $build in
 399 vax-*-*)
 400   if test x$GCC = xyes
 401   then
 402     stage1_cflags="-Wa,-J"
 403   else
 404     stage1_cflags="-J"
 405   fi
 406   ;;
 407 esac
 408 AC_SUBST(stage1_cflags)
 409
 410 AC_PROG_MAKE_SET
 411
 412 AC_MSG_CHECKING([whether a default assembler was specified])
 413 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
 414     if test x"$gas_flag" = x"no"; then
 415         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
 416     else
 417         AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
 418     fi
 419 else
 420     AC_MSG_RESULT(no)
 421 fi
 422
 423 AC_MSG_CHECKING([whether a default linker was specified])
 424 if test x"${DEFAULT_LINKER+set}" = x"set"; then
 425     if test x"$gnu_ld_flag" = x"no"; then
 426         AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
 427     else
 428         AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
 429     fi
 430 else
 431     AC_MSG_RESULT(no)
 432 fi
 433
 434 AC_MSG_CHECKING(for GNU C library)
 435 AC_CACHE_VAL(gcc_cv_glibc,
 436 [AC_TRY_COMPILE(
 437   [#include <features.h>],[
 438 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
 439 #error Not a GNU C library system
 440 #endif],
 441   [gcc_cv_glibc=yes],
 442   gcc_cv_glibc=no)])
 443 AC_MSG_RESULT($gcc_cv_glibc)
 444 if test $gcc_cv_glibc = yes; then
 445   AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
 446 fi
 447
 448 # Find some useful tools
 449 AC_PROG_AWK
 450 gcc_AC_PROG_LN
 451 gcc_AC_PROG_LN_S
 452 AC_PROG_RANLIB
 453 gcc_AC_PROG_INSTALL
 454
 455 AC_HEADER_STDC
 456 AC_HEADER_TIME
 457 gcc_AC_HEADER_STDBOOL
 458 gcc_AC_HEADER_STRING
 459 AC_HEADER_SYS_WAIT
 460 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
 461                  fcntl.h unistd.h sys/file.h sys/time.h \
 462                  sys/resource.h sys/param.h sys/times.h sys/stat.h \
 463                  direct.h malloc.h langinfo.h)
 464
 465 # Check for thread headers.
 466 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
 467 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
 468
 469 # These tests can't be done till we know if we have limits.h.
 470 gcc_AC_C_CHAR_BIT
 471 gcc_AC_C_COMPILE_ENDIAN
 472 gcc_AC_C_FLOAT_FORMAT
 473
 474 # See if GNAT has been installed
 475 gcc_AC_PROG_GNAT
 476
 477 # See if we have the mktemp command.
 478 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
 479
 480 # Do we have a single-tree copy of texinfo?
 481 if test -f $srcdir/../texinfo/Makefile.in; then
 482   MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
 483   gcc_cv_prog_makeinfo_modern=yes
 484   AC_MSG_RESULT([Using makeinfo from the unified source tree.])
 485 else
 486   # See if makeinfo has been installed and is modern enough
 487   # that we can use it.
 488   gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
 489   [GNU texinfo.* \([0-9][0-9.]*\)],
 490   [4.*])
 491 fi
 492
 493 if test $gcc_cv_prog_makeinfo_modern = no; then
 494   AC_MSG_WARN([
 495 *** Makeinfo is missing or too old.
 496 *** Info documentation will not be built.])
 497   BUILD_INFO=
 498 else
 499   BUILD_INFO=info               AC_SUBST(BUILD_INFO)
 500 fi
 501
 502 # Is pod2man recent enough to regenerate manpages?
 503 AC_MSG_CHECKING([for recent Pod::Man])
 504 if perl -e 'use 1.10 Pod::Man' >/dev/null 2>&1; then
 505   AC_MSG_RESULT(yes)
 506   GENERATED_MANPAGES=generated-manpages         AC_SUBST(GENERATED_MANPAGES)
 507 else
 508   AC_MSG_RESULT(no)
 509   GENERATED_MANPAGES=
 510 fi
 511
 512 # How about lex?
 513 dnl Don't use AC_PROG_LEX; we insist on flex.
 514 dnl LEXLIB is not useful in gcc.
 515 if test -f $srcdir/../flex/skel.c; then
 516   FLEX='$(objdir)/../flex/flex'
 517 else
 518   AC_CHECK_PROG(FLEX, flex, flex, false)
 519 fi
 520
 521 # Bison?
 522 # The -L switch is so bison can find its skeleton file.
 523 if test -f $srcdir/../bison/bison.simple; then
 524   BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
 525 else
 526   AC_CHECK_PROG(BISON, bison, bison, false)
 527 fi
 528
 529 # These libraries may be used by collect2.
 530 # We may need a special search path to get them linked.
 531 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
 532 [save_LIBS="$LIBS"
 533 for libs in '' -lld -lmld \
 534                 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
 535                 '-L/usr/lib/cmplrs/cc3.11 -lmld'
 536 do
 537         LIBS="$libs"
 538         AC_TRY_LINK_FUNC(ldopen,
 539                 [gcc_cv_collect2_libs="$libs"; break])
 540 done
 541 LIBS="$save_LIBS"
 542 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
 543 case $gcc_cv_collect2_libs in
 544         "none required")        ;;
 545         *)      COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
 546 esac
 547 AC_SUBST(COLLECT2_LIBS)
 548
 549 # When building Ada code on Alpha, we need exc_resume which is usually in
 550 # -lexc.  So test for it.
 551 save_LIBS="$LIBS"
 552 LIBS=
 553 AC_SEARCH_LIBS(exc_resume, exc)
 554 GNAT_LIBEXC="$LIBS"
 555 LIBS="$save_LIBS"
 556 AC_SUBST(GNAT_LIBEXC)
 557
 558 # See if the stage1 system preprocessor understands the ANSI C
 559 # preprocessor stringification operator.  (Used by symcat.h.)
 560 AC_C_STRINGIZE
 561
 562 # Use <inttypes.h> only if it exists,
 563 # doesn't clash with <sys/types.h>, and declares intmax_t.
 564 AC_MSG_CHECKING(for inttypes.h)
 565 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
 566 [AC_TRY_COMPILE(
 567   [#include <sys/types.h>
 568 #include <inttypes.h>],
 569   [intmax_t i = -1;],
 570   [gcc_cv_header_inttypes_h=yes],
 571   gcc_cv_header_inttypes_h=no)])
 572 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
 573 if test $gcc_cv_header_inttypes_h = yes; then
 574   AC_DEFINE(HAVE_INTTYPES_H, 1,
 575         [Define if you have a working <inttypes.h> header file.])
 576 fi
 577
 578 dnl Disabled until we have a complete test for buggy enum bitfields.
 579 dnl gcc_AC_C_ENUM_BF_UNSIGNED
 580
 581 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
 582         sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
 583         fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat)
 584
 585 AC_CHECK_TYPE(ssize_t, int)
 586
 587 # Try to determine the array type of the second argument of getgroups
 588 # for the target system (int or gid_t).
 589 AC_TYPE_GETGROUPS
 590 if test "${target}" = "${build}"; then
 591   TARGET_GETGROUPS_T=$ac_cv_type_getgroups
 592 else
 593   case "${target}" in
 594         # This condition may need some tweaking.  It should include all
 595         # targets where the array type of the second argument of getgroups
 596         # is int and the type of gid_t is not equivalent to int.
 597         *-*-sunos* | *-*-ultrix*)
 598                 TARGET_GETGROUPS_T=int
 599                 ;;
 600         *)
 601                 TARGET_GETGROUPS_T=gid_t
 602                 ;;
 603   esac
 604 fi
 605 AC_SUBST(TARGET_GETGROUPS_T)
 606
 607 gcc_AC_FUNC_PRINTF_PTR
 608
 609 case "${host}" in
 610 *-*-uwin*)
 611   AC_MSG_ERROR([
 612 *** UWIN may not be used as a host platform because
 613 *** linking with posix.dll is not allowed by the GNU GPL])
 614   ;;
 615 *-*-*vms*)
 616   # Under VMS, vfork works very different than on Unix. The standard test
 617   # won't work, and it isn't easily adaptable. It makes more sense to
 618   # just force it.
 619   ac_cv_func_vfork_works=yes
 620   ;;
 621 esac
 622 AC_FUNC_VFORK
 623 AC_FUNC_MMAP_ANYWHERE
 624 AC_FUNC_MMAP_FILE
 625
 626 AM_ICONV
 627
 628 # We will need to find libiberty.h and ansidecl.h
 629 saved_CFLAGS="$CFLAGS"
 630 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
 631 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
 632         strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
 633         fprintf_unlocked strstr environ errno \
 634         malloc realloc calloc free basename getopt clock, , ,[
 635 #include "ansidecl.h"
 636 #include "system.h"])
 637
 638 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
 639 #include "ansidecl.h"
 640 #include "system.h"
 641 #ifdef HAVE_SYS_RESOURCE_H
 642 #include <sys/resource.h>
 643 #endif
 644 ])
 645
 646 gcc_AC_CHECK_DECLS(times, , ,[
 647 #include "ansidecl.h"
 648 #include "system.h"
 649 #ifdef HAVE_SYS_TIMES_H
 650 #include <sys/times.h>
 651 #endif
 652 ])
 653
 654 # More time-related stuff.
 655 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
 656 AC_TRY_COMPILE([
 657 #include "ansidecl.h"
 658 #include "system.h"
 659 #ifdef HAVE_SYS_TIMES_H
 660 #include <sys/times.h>
 661 #endif
 662 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
 663 if test $ac_cv_struct_tms = yes; then
 664   AC_DEFINE(HAVE_STRUCT_TMS, 1,
 665   [Define if <sys/times.h> defines struct tms.])
 666 fi
 667
 668 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
 669 # revisit after autoconf 2.50.
 670 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
 671 AC_TRY_COMPILE([
 672 #include "ansidecl.h"
 673 #include "system.h"
 674 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
 675 if test $gcc_cv_type_clock_t = yes; then
 676   AC_DEFINE(HAVE_CLOCK_T, 1,
 677   [Define if <time.h> defines clock_t.])
 678 fi
 679
 680 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
 681 CFLAGS="$saved_CFLAGS"
 682
 683 # mkdir takes a single argument on some systems.
 684 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
 685
 686 # File extensions
 687 manext='.1'
 688 objext='.o'
 689 AC_SUBST(manext)
 690 AC_SUBST(objext)
 691
 692 build_xm_file=
 693 build_xm_defines=
 694 build_install_headers_dir=install-headers-tar
 695 build_exeext=
 696 host_xm_file=
 697 host_xm_defines=
 698 host_xmake_file=
 699 host_truncate_target=
 700 host_exeext=
 701
 702 # Decode the host machine, then the target machine.
 703 # For the host machine, we save the xm_file variable as host_xm_file;
 704 # then we decode the target machine and forget everything else
 705 # that came from the host machine.
 706 for machine in $build $host $target; do
 707         . ${srcdir}/config.gcc
 708 done
 709
 710 extra_objs="${host_extra_objs} ${extra_objs}"
 711
 712 # Default the target-machine variables that were not explicitly set.
 713 if test x"$tm_file" = x
 714 then tm_file=$cpu_type/$cpu_type.h; fi
 715
 716 if test x"$extra_headers" = x
 717 then extra_headers=; fi
 718
 719 if test x$md_file = x
 720 then md_file=$cpu_type/$cpu_type.md; fi
 721
 722 if test x$out_file = x
 723 then out_file=$cpu_type/$cpu_type.c; fi
 724
 725 if test x"$tmake_file" = x
 726 then tmake_file=$cpu_type/t-$cpu_type
 727 fi
 728
 729 if test x"$dwarf2" = xyes
 730 then tm_file="$tm_file tm-dwarf2.h"
 731 fi
 732
 733 if test x$float_format = x
 734 then float_format=i64
 735 fi
 736
 737 if test $float_format = none
 738 then float_h_file=Makefile.in
 739 else float_h_file=float-$float_format.h
 740 fi
 741
 742 # Handle cpp installation.
 743 if test x$enable_cpp != xno
 744 then
 745   tmake_file="$tmake_file t-install-cpp"
 746 fi
 747
 748 # Say what files are being used for the output code and MD file.
 749 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
 750 echo "Using \`$srcdir/config/$md_file' as machine description file."
 751
 752 # If any of the xm_file variables contain nonexistent files, warn
 753 # about them and drop them.
 754
 755 bx=
 756 for x in $build_xm_file; do
 757   if    test -f $srcdir/config/$x
 758   then      bx="$bx $x"
 759   else      AC_MSG_WARN($srcdir/config/$x does not exist.)
 760   fi
 761 done
 762 build_xm_file="$bx"
 763
 764 hx=
 765 for x in $host_xm_file; do
 766   if    test -f $srcdir/config/$x
 767   then      hx="$hx $x"
 768   else      AC_MSG_WARN($srcdir/config/$x does not exist.)
 769   fi
 770 done
 771 host_xm_file="$hx"
 772
 773 tx=
 774 for x in $xm_file; do
 775   if    test -f $srcdir/config/$x
 776   then      tx="$tx $x"
 777   else      AC_MSG_WARN($srcdir/config/$x does not exist.)
 778   fi
 779 done
 780 xm_file="$tx"
 781
 782 count=a
 783 for f in $tm_file; do
 784         count=${count}x
 785 done
 786 if test $count = ax; then
 787         echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
 788 else
 789         echo "Using the following target machine macro files:"
 790         for f in $tm_file; do
 791                 echo "  $srcdir/config/$f"
 792         done
 793 fi
 794
 795 count=a
 796 for f in $host_xm_file; do
 797         count=${count}x
 798 done
 799 if test $count = a; then
 800         :
 801 elif test $count = ax; then
 802         echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
 803 else
 804         echo "Using the following host machine macro files:"
 805         for f in $host_xm_file; do
 806                 echo "  $srcdir/config/$f"
 807         done
 808 fi
 809
 810 if test "$host_xm_file" != "$build_xm_file"; then
 811         count=a
 812         for f in $build_xm_file; do
 813                 count=${count}x
 814         done
 815         if test $count = a; then
 816                 :
 817         elif test $count = ax; then
 818                 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
 819         else
 820                 echo "Using the following build machine macro files:"
 821                 for f in $build_xm_file; do
 822                         echo "  $srcdir/config/$f"
 823                 done
 824         fi
 825 fi
 826
 827 if test x$thread_file = x; then
 828         if test x$target_thread_file != x; then
 829                 thread_file=$target_thread_file
 830         else
 831                 thread_file='single'
 832         fi
 833 fi
 834
 835 # auto-host.h is the file containing items generated by autoconf and is
 836 # the first file included by config.h.
 837 # If host=build, it is correct to have hconfig include auto-host.h
 838 # as well.  If host!=build, we are in error and need to do more
 839 # work to find out the build config parameters.
 840 if test x$host = x$build
 841 then
 842         build_auto=auto-host.h
 843         FORBUILD=..
 844 else
 845         # We create a subdir, then run autoconf in the subdir.
 846         # To prevent recursion we set host and build for the new
 847         # invocation of configure to the build for this invocation
 848         # of configure.
 849         tempdir=build.$$
 850         rm -rf $tempdir
 851         mkdir $tempdir
 852         cd $tempdir
 853         case ${srcdir} in
 854         /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
 855         *) realsrcdir=../${srcdir};;
 856         esac
 857         saved_CFLAGS="${CFLAGS}"
 858         CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
 859         ${realsrcdir}/configure \
 860                 --target=$target --host=$build --build=$build
 861         CFLAGS="${saved_CFLAGS}"
 862
 863         # We just finished tests for the build machine, so rename
 864         # the file auto-build.h in the gcc directory.
 865         mv auto-host.h ../auto-build.h
 866         cd ..
 867         rm -rf $tempdir
 868         build_auto=auto-build.h
 869         FORBUILD=../$build
 870 fi
 871 AC_SUBST(FORBUILD)
 872
 873 tm_file="${tm_file} defaults.h"
 874 host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}"
 875 build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}"
 876 xm_file="ansidecl.h ${xm_file} ${tm_file}"
 877
 878 # Truncate the target if necessary
 879 if test x$host_truncate_target != x; then
 880         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
 881 fi
 882
 883 # Get the version trigger filename from the toplevel
 884 if test "${with_gcc_version_trigger+set}" = set; then
 885         gcc_version_trigger=$with_gcc_version_trigger
 886 else
 887         gcc_version_trigger=${srcdir}/version.c
 888 fi
 889 changequote(,)dnl
 890 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
 891 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
 892
 893 # Compile in configure arguments.
 894 if test -f configargs.h ; then
 895         # Being re-configured.
 896         gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
 897         gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
 898 else
 899         gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
 900 fi
 901 cat > configargs.h <<EOF
 902 /* Generated automatically. */
 903 static const char configuration_arguments[] = "$gcc_config_arguments";
 904 static const char thread_model[] = "$thread_file";
 905 EOF
 906 changequote([,])dnl
 907
 908 # Internationalization
 909 PACKAGE=gcc
 910 VERSION="$gcc_version"
 911 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE",
 912         [Define to the name of the distribution.])
 913 AC_DEFINE_UNQUOTED(VERSION, "$VERSION",
 914         [Define to the version of the distribution.])
 915 AC_SUBST(PACKAGE)
 916 AC_SUBST(VERSION)
 917
 918 # Enable NLS support by default
 919 AC_ARG_ENABLE(nls,
 920   [  --enable-nls            use Native Language Support (default)],
 921   , enable_nls=yes)
 922
 923 # if cross compiling, disable NLS support.
 924 # It's not worth the trouble, at least for now.
 925
 926 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
 927   AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
 928   enable_nls=no
 929 fi
 930
 931 AM_GNU_GETTEXT
 932
 933 # Windows32 Registry support for specifying GCC installation paths.
 934 AC_ARG_ENABLE(win32-registry,
 935 [  --disable-win32-registry
 936                           disable lookup of installation paths in the
 937                           Registry on Windows hosts
 938   --enable-win32-registry enable registry lookup (default)
 939   --enable-win32-registry=KEY
 940                           use KEY instead of GCC version as the last portion
 941                           of the registry key],,)
 942 case $host_os in
 943         win32 | pe | cygwin* | mingw32* | uwin*)
 944 AC_MSG_CHECKING(whether windows registry support is requested)
 945 if test "x$enable_win32_registry" != xno; then
 946   AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
 947 [Define to 1 if installation paths should be looked up in Windows32
 948    Registry. Ignored on non windows32 hosts.])
 949   AC_MSG_RESULT(yes)
 950   AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
 951 else
 952   AC_MSG_RESULT(no)
 953 fi
 954
 955 # Check if user specified a different registry key.
 956 case "x${enable_win32_registry}" in
 957 x | xyes)
 958   # default.
 959   gcc_cv_win32_registry_key="$VERSION"
 960   ;;
 961 xno)
 962   # no registry lookup.
 963   gcc_cv_win32_registry_key=''
 964   ;;
 965 *)
 966   # user-specified key.
 967   gcc_cv_win32_registry_key="$enable_win32_registry"
 968   ;;
 969 esac
 970
 971 if test "x$enable_win32_registry" != xno; then
 972   AC_MSG_CHECKING(registry key on windows hosts)
 973   AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
 974         [Define to be the last portion of registry key on windows hosts.])
 975   AC_MSG_RESULT($gcc_cv_win32_registry_key)
 976 fi
 977 ;;
 978 esac
 979
 980 # Get an absolute path to the GCC top-level source directory
 981 holddir=`pwd`
 982 cd $srcdir
 983 topdir=`pwd`
 984 cd $holddir
 985
 986 # Conditionalize the makefile for this host machine.
 987 # Make-host contains the concatenation of all host makefile fragments
 988 # [there can be more than one].  This file is built by configure.frag.
 989 host_overrides=Make-host
 990 dep_host_xmake_file=
 991 for f in .. ${host_xmake_file}
 992 do
 993         if test -f ${srcdir}/config/$f
 994         then
 995                 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
 996         fi
 997 done
 998
 999 # Conditionalize the makefile for this target machine.
1000 # Make-target contains the concatenation of all host makefile fragments
1001 # [there can be more than one].  This file is built by configure.frag.
1002 target_overrides=Make-target
1003 dep_tmake_file=
1004 for f in .. ${tmake_file}
1005 do
1006         if test -f ${srcdir}/config/$f
1007         then
1008                 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1009         fi
1010 done
1011
1012 # If the host doesn't support symlinks, modify CC in
1013 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1014 # Otherwise, we can use "CC=$(CC)".
1015 rm -f symtest.tem
1016 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1017 then
1018         cc_set_by_configure="\$(CC)"
1019         quoted_cc_set_by_configure="\$(CC)"
1020         stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1021 else
1022         rm -f symtest.tem
1023         if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1024         then
1025                 symbolic_link="cp -p"
1026         else
1027                 symbolic_link="cp"
1028         fi
1029         cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1030         quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1031         stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1032 fi
1033 rm -f symtest.tem
1034
1035 out_object_file=`basename $out_file .c`.o
1036
1037 tm_file_list=
1038 for f in $tm_file; do
1039   case $f in
1040     ansidecl.h )
1041        tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1042     defaults.h )
1043        tm_file_list="${tm_file_list} $f" ;;
1044     *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1045   esac
1046 done
1047
1048 tm_p_file_list=
1049 for f in $tm_p_file; do
1050     tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1051 done
1052
1053 host_xm_file_list=
1054 for f in $host_xm_file; do
1055   case $f in
1056     ansidecl.h )
1057        host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1058     auto-host.h | defaults.h )
1059        host_xm_file_list="${host_xm_file_list} $f" ;;
1060     *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1061   esac
1062 done
1063
1064 build_xm_file_list=
1065 for f in $build_xm_file; do
1066   case $f in
1067     ansidecl.h )
1068        build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1069     auto-build.h | auto-host.h | defaults.h )
1070        build_xm_file_list="${build_xm_file_list} $f" ;;
1071     *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1072   esac
1073 done
1074
1075 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1076 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1077 CROSS=                                          AC_SUBST(CROSS)
1078 ALL=all.internal                                AC_SUBST(ALL)
1079 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1080 if test x$host != x$target
1081 then
1082         CROSS="-DCROSS_COMPILE"
1083         ALL=all.cross
1084         SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1085 fi
1086
1087 # If this is a cross-compiler that does not
1088 # have its own set of headers then define
1089 # inhibit_libc
1090
1091 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1092 # This prevents libgcc2 from containing any code which requires libc
1093 # support.
1094 inhibit_libc=
1095 if [test x$host != x$target] && [test x$with_headers = x]; then
1096        inhibit_libc=-Dinhibit_libc
1097 else
1098        if [test x$with_newlib = xyes]; then
1099                inhibit_libc=-Dinhibit_libc
1100        fi
1101 fi
1102 AC_SUBST(inhibit_libc)
1103
1104 # When building gcc with a cross-compiler, we need to adjust things so
1105 # that the generator programs are still built with the native compiler.
1106 # Also, we cannot run fixincludes or fix-header.
1107 # Note that the terminology here is wrong; it should be BUILD_* throughout.
1108 # FIXME.
1109
1110 # These are the normal (build=host) settings:
1111 HOST_PREFIX=                    AC_SUBST(HOST_PREFIX)
1112 HOST_PREFIX_1=ignore-           AC_SUBST(HOST_PREFIX_1)
1113 HOST_CC='$(CC)'                 AC_SUBST(HOST_CC)
1114 HOST_CFLAGS='$(ALL_CFLAGS)'     AC_SUBST(HOST_CFLAGS)
1115
1116 STMP_FIXINC=stmp-fixinc         AC_SUBST(STMP_FIXINC)
1117 STMP_FIXPROTO=stmp-fixproto     AC_SUBST(STMP_FIXPROTO)
1118
1119 # And these apply if build != host.
1120 if test x$build != x$host
1121 then
1122     HOST_PREFIX=build-
1123     HOST_PREFIX_1=build-
1124     HOST_CC='$(CC_FOR_BUILD)'
1125     HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1126
1127     STMP_FIXINC=
1128     STMP_FIXPROTO=
1129 fi
1130
1131 # Expand extra_headers to include complete path.
1132 # This substitutes for lots of t-* files.
1133 extra_headers_list=
1134 if test "x$extra_headers" = x
1135 then true
1136 else
1137         # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
1138         for file in $extra_headers;
1139         do
1140                 extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
1141         done
1142 fi
1143
1144 if test x$use_collect2 = xno; then
1145         use_collect2=
1146 fi
1147
1148 # Add a definition of USE_COLLECT2 if system wants one.
1149 if test x$use_collect2 != x
1150 then
1151         host_xm_defines="${host_xm_defines} USE_COLLECT2"
1152         xm_defines="${xm_defines} USE_COLLECT2"
1153 fi
1154
1155 # If we have gas in the build tree, make a link to it.
1156 if test -f ../gas/Makefile; then
1157         rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1158 fi
1159
1160 # If we have nm and objdump in the build tree, make a link to them.
1161 if test -f ../binutils/Makefile; then
1162         rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1163         rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1164 fi
1165
1166 # If we have ld in the build tree, make a link to it.
1167 if test -f ../ld/Makefile; then
1168         rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1169 fi
1170
1171 # Figure out what assembler we will be using.
1172 AC_MSG_CHECKING(what assembler to use)
1173 gcc_cv_as=
1174 gcc_cv_gas_major_version=
1175 gcc_cv_gas_minor_version=
1176 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1177 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1178 if test -x "$DEFAULT_ASSEMBLER"; then
1179         gcc_cv_as="$DEFAULT_ASSEMBLER"
1180 elif test -x "$AS"; then
1181         gcc_cv_as="$AS"
1182 elif test -x as$host_exeext; then
1183         # Build using assembler in the current directory.
1184         gcc_cv_as=./as$host_exeext
1185 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1186         # Single tree build which includes gas.
1187         for f in $gcc_cv_as_bfd_srcdir/configure $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
1188         do
1189 changequote(,)dnl
1190                 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1191 changequote([,])dnl
1192                 if test x$gcc_cv_gas_version != x; then
1193                         break
1194                 fi
1195         done
1196 changequote(,)dnl
1197         gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1198         gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1199 changequote([,])dnl
1200 fi
1201
1202 if test "x$gcc_cv_as" = x -a x$host = x$target; then
1203         # Native build.
1204         # Search the same directories that the installed compiler will
1205         # search.  Else we may find the wrong assembler and lose.  If we
1206         # do not find a suitable assembler binary, then try the user's
1207         # path.
1208         #
1209         # Also note we have to check MD_EXEC_PREFIX before checking the
1210         # user's path.  Unfortunately, there is no good way to get at the
1211         # value of MD_EXEC_PREFIX here.  So we do a brute force search
1212         # through all the known MD_EXEC_PREFIX values.  Ugh.  This needs
1213         # to be fixed as part of the make/configure rewrite too.
1214
1215         if test "x$exec_prefix" = xNONE; then
1216                 if test "x$prefix" = xNONE; then
1217                         test_prefix=/usr/local
1218                 else
1219                         test_prefix=$prefix
1220                 fi
1221         else
1222                 test_prefix=$exec_prefix
1223         fi
1224
1225         # If the loop below does not find an assembler, then use whatever
1226         # one we can find in the users's path.
1227         # user's path.
1228         gcc_cv_as=as$host_exeext
1229
1230         test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
1231                    $test_prefix/lib/gcc-lib/$target \
1232                    /usr/lib/gcc/$target/$gcc_version \
1233                    /usr/lib/gcc/$target \
1234                    $test_prefix/$target/bin/$target/$gcc_version \
1235                    $test_prefix/$target/bin \
1236                    /usr/libexec \
1237                    /usr/ccs/gcc \
1238                    /usr/ccs/bin \
1239                    /udk/usr/ccs/bin \
1240                    /bsd43/usr/lib/cmplrs/cc \
1241                    /usr/cross64/usr/bin \
1242                    /usr/lib/cmplrs/cc \
1243                    /sysv/usr/lib/cmplrs/cc \
1244                    /svr4/usr/lib/cmplrs/cc \
1245                    /usr/bin"
1246
1247         for dir in $test_dirs; do
1248                 if test -f $dir/as$host_exeext; then
1249                         gcc_cv_as=$dir/as$host_exeext
1250                         break;
1251                 fi
1252         done
1253 fi
1254 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1255   AC_MSG_RESULT("newly built gas")
1256 else
1257   AC_MSG_RESULT($gcc_cv_as)
1258 fi
1259
1260 # Figure out what nm we will be using.
1261 AC_MSG_CHECKING(what nm to use)
1262 if test -x nm$host_exeext; then
1263         gcc_cv_nm=./nm$host_exeext
1264 elif test x$host = x$target; then
1265         # Native build.
1266         gcc_cv_nm=nm$host_exeext
1267 fi
1268 AC_MSG_RESULT($gcc_cv_nm)
1269
1270 # Figure out what objdump we will be using.
1271 AC_MSG_CHECKING(what objdump to use)
1272 if test -x objdump$host_exeext; then
1273         gcc_cv_objdump=./objdump$host_exeext
1274 elif test x$host = x$target; then
1275         # Native build.
1276         gcc_cv_objdump=objdump$host_exeext
1277 fi
1278 AC_MSG_RESULT($gcc_cv_objdump)
1279
1280 # Figure out what assembler alignment features are present.
1281 AC_MSG_CHECKING(assembler alignment features)
1282 gcc_cv_as_alignment_features=none
1283 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1284         # Gas version 2.6 and later support for .balign and .p2align.
1285         # bytes to skip when using .p2align.
1286         if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1287                 gcc_cv_as_alignment_features=".balign and .p2align"
1288                 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1289         fi
1290         # Gas version 2.8 and later support specifying the maximum
1291         # bytes to skip when using .p2align.
1292         if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1293                 gcc_cv_as_alignment_features=".p2align including maximum skip"
1294                 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1295         fi
1296 elif test x$gcc_cv_as != x; then
1297         # Check if we have .balign and .p2align
1298         echo ".balign  4" > conftest.s
1299         echo ".p2align  2" >> conftest.s
1300         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1301                 gcc_cv_as_alignment_features=".balign and .p2align"
1302                 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1303         fi
1304         rm -f conftest.s conftest.o
1305         # Check if specifying the maximum bytes to skip when
1306         # using .p2align is supported.
1307         echo ".p2align 4,,7" > conftest.s
1308         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1309                 gcc_cv_as_alignment_features=".p2align including maximum skip"
1310                 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1311         fi
1312         rm -f conftest.s conftest.o
1313 fi
1314 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1315
1316 AC_MSG_CHECKING(assembler subsection support)
1317 gcc_cv_as_subsections=no
1318 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1319   if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1320     gcc_cv_as_subsections="working .subsection -1"
1321   fi
1322 elif test x$gcc_cv_as != x; then
1323         # Check if we have .subsection
1324         echo ".subsection 1" > conftest.s
1325         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1326                 gcc_cv_as_subsections=".subsection"
1327                 if test x$gcc_cv_nm != x; then
1328                         cat > conftest.s <<EOF
1329 conftest_label1: .word 0
1330 .subsection -1
1331 conftest_label2: .word 0
1332 .previous
1333 EOF
1334                         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1335                                 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1336                                 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1337                                 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1338                                         :
1339                                 else
1340                                         gcc_cv_as_subsections="working .subsection -1"
1341                                 fi
1342                         fi
1343                 fi
1344         fi
1345         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1346 fi
1347 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1348         AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1349 [Define if your assembler supports .subsection and .subsection -1 starts
1350    emitting at the beginning of your section.])
1351 fi
1352 AC_MSG_RESULT($gcc_cv_as_subsections)
1353
1354 AC_MSG_CHECKING(assembler weak support)
1355 gcc_cv_as_weak=no
1356 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1357   if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1358     gcc_cv_as_weak="yes"
1359   fi
1360 elif test x$gcc_cv_as != x; then
1361         # Check if we have .weak
1362         echo "  .weak foobar" > conftest.s
1363         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1364                 gcc_cv_as_weak="yes"
1365         fi
1366         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1367 fi
1368 if test x"$gcc_cv_as_weak" = xyes; then
1369         AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1370 fi
1371 AC_MSG_RESULT($gcc_cv_as_weak)
1372
1373 AC_MSG_CHECKING(assembler hidden support)
1374 gcc_cv_as_hidden=no
1375 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1376   if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 10 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1377     gcc_cv_as_hidden="yes"
1378   fi
1379 elif test x$gcc_cv_as != x; then
1380         # Check if we have .hidden
1381         echo "  .hidden foobar" > conftest.s
1382         echo "foobar:" >> conftest.s
1383         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1384                 gcc_cv_as_hidden="yes"
1385         fi
1386         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1387 fi
1388 if test x"$gcc_cv_as_hidden" = xyes; then
1389         AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1390                 [Define if your assembler supports .hidden.])
1391 fi
1392 AC_MSG_RESULT($gcc_cv_as_hidden)
1393
1394 AC_MSG_CHECKING(assembler leb128 support)
1395 gcc_cv_as_leb128=no
1396 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1397   if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 11 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1398     gcc_cv_as_leb128="yes"
1399   fi
1400 elif test x$gcc_cv_as != x; then
1401         # Check if we have .[us]leb128, and support symbol arithmetic with it.
1402         cat > conftest.s <<EOF
1403         .data
1404         .uleb128 L2 - L1
1405 L1:
1406         .uleb128 1280
1407         .sleb128 -1010
1408 L2:
1409 EOF
1410         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1411                 gcc_cv_as_leb128="yes"
1412
1413                 # GAS versions before 2.11 do not support uleb128,
1414                 # despite appearing to.
1415                 # ??? There exists an elf-specific test that will crash
1416                 # the assembler.  Perhaps it's better to figure out whether
1417                 # arbitrary sections are supported and try the test.
1418                 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1419                 if echo "$as_ver" | grep GNU > /dev/null; then
1420 changequote(,)dnl
1421                         as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1422                         as_major=`echo $as_ver | sed 's/\..*//'`
1423                         as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1424 changequote([,])dnl
1425                         if test $as_major -eq 2 -a $as_minor -lt 11; then
1426                                 gcc_cv_as_leb128="no"
1427                         fi
1428                 fi
1429         fi
1430         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1431 fi
1432 if test x"$gcc_cv_as_leb128" = xyes; then
1433         AC_DEFINE(HAVE_AS_LEB128, 1,
1434                 [Define if your assembler supports .uleb128.])
1435 fi
1436 AC_MSG_RESULT($gcc_cv_as_leb128)
1437
1438 AC_MSG_CHECKING(assembler eh_frame optimization)
1439 gcc_cv_as_eh_frame=no
1440 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1441   if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1442     gcc_cv_as_eh_frame="yes"
1443   fi
1444 elif test x$gcc_cv_as != x; then
1445         # Check if this is GAS.
1446         as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1447         rm -f a.out 2> /dev/null
1448         if echo "$as_ver" | grep GNU > /dev/null; then
1449                 # Versions up to and including 2.11.0 may mis-optimize
1450                 # .eh_frame data.  Try something.
1451                 cat > conftest.s <<EOF
1452         .text
1453 .LFB1:
1454         .4byte  0
1455 .L1:
1456         .4byte  0
1457 .LFE1:
1458         .section        .eh_frame,"aw",@progbits
1459 __FRAME_BEGIN__:
1460         .4byte  .LECIE1-.LSCIE1
1461 .LSCIE1:
1462         .4byte  0x0
1463         .byte   0x1
1464         .ascii "z\0"
1465         .byte   0x1
1466         .byte   0x78
1467         .byte   0x1a
1468         .byte   0x0
1469         .byte   0x4
1470         .4byte  1
1471         .p2align 1
1472 .LECIE1:
1473 .LSFDE1:
1474         .4byte  .LEFDE1-.LASFDE1
1475 .LASFDE1:
1476         .4byte  .LASFDE1-__FRAME_BEGIN__
1477         .4byte  .LFB1
1478         .4byte  .LFE1-.LFB1
1479         .byte   0x4
1480         .4byte  .LFE1-.LFB1
1481         .byte   0x4
1482         .4byte  .L1-.LFB1
1483 .LEFDE1:
1484 EOF
1485                 cat > conftest.lit <<EOF
1486  0000 10000000 00000000 017a0001 781a0004  .........z..x...
1487  0010 01000000 12000000 18000000 00000000  ................
1488  0020 08000000 04080000 0044               .........D
1489 EOF
1490                 cat > conftest.big <<EOF
1491  0000 00000010 00000000 017a0001 781a0004  .........z..x...
1492  0010 00000001 00000012 00000018 00000000  ................
1493  0020 00000008 04000000 0844               .........D
1494 EOF
1495                 # If the assembler didn't choke, and we can objdump,
1496                 # and we got the correct data, then succeed.
1497                 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1498                    && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1499                       | tail -3 > conftest.got \
1500                    && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1501                         || cmp conftest.big conftest.got > /dev/null 2>&1; }
1502                 then
1503                         gcc_cv_as_eh_frame="yes"
1504                 else
1505                         gcc_cv_as_eh_frame="bad"
1506                         if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1507                                 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1508         [Define if your assembler mis-optimizes .eh_frame data.])
1509                         fi
1510                 fi
1511         fi
1512         rm -f conftest.*
1513 fi
1514 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1515
1516 AC_MSG_CHECKING(assembler section merging support)
1517 gcc_cv_as_shf_merge=no
1518 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1519   if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1520     gcc_cv_as_shf_merge=yes
1521   fi
1522 elif test x$gcc_cv_as != x; then
1523         # Check if we support SHF_MERGE sections
1524         echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1525         if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1526                 gcc_cv_as_shf_merge=yes
1527         fi
1528         rm -f conftest.s conftest.o
1529 fi
1530 if test x"$gcc_cv_as_shf_merge" = xyes; then
1531         AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1532 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1533 fi
1534 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1535
1536 case "$target" in
1537   sparc*-*-*)
1538     AC_CACHE_CHECK([assembler .register pseudo-op support],
1539         gcc_cv_as_register_pseudo_op, [
1540         gcc_cv_as_register_pseudo_op=unknown
1541         if test x$gcc_cv_as != x; then
1542             # Check if we have .register
1543             echo ".register %g2, #scratch" > conftest.s
1544             if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1545                 gcc_cv_as_register_pseudo_op=yes
1546             else
1547                 gcc_cv_as_register_pseudo_op=no
1548             fi
1549             rm -f conftest.s conftest.o
1550         fi
1551     ])
1552     if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1553         AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1554                 [Define if your assembler supports .register.])
1555     fi
1556
1557     AC_CACHE_CHECK([assembler supports -relax],
1558         gcc_cv_as_relax_opt, [
1559         gcc_cv_as_relax_opt=unknown
1560         if test x$gcc_cv_as != x; then
1561             # Check if gas supports -relax
1562             echo ".text" > conftest.s
1563             if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1564                 gcc_cv_as_relax_opt=yes
1565             else
1566                 gcc_cv_as_relax_opt=no
1567             fi
1568             rm -f conftest.s conftest.o
1569         fi
1570     ])
1571     if test "x$gcc_cv_as_relax_opt" = xyes; then
1572         AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1573                 [Define if your assembler supports -relax option.])
1574     fi
1575
1576     case "$tm_file" in
1577     *64*)
1578         AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],
1579             gcc_cv_as_flags64, [
1580                 if test -n "$gcc_cv_as"; then
1581                     echo ".xword foo" > conftest.s
1582                     gcc_cv_as_flags64=no
1583                     for flag in "-xarch=v9" "-64 -Av9"; do
1584                         if $gcc_cv_as $flag -o conftest.o conftest.s \
1585                             > /dev/null 2>&1; then
1586                             gcc_cv_as_flags64=$flag
1587                             break
1588                         fi
1589                     done
1590                     rm -f conftest.s conftest.o
1591                 else
1592                     if test "$gas" = yes; then
1593                         gcc_cv_as_flags64="-64 -Av9"
1594                     else
1595                         gcc_cv_as_flags64="-xarch=v9"
1596                     fi
1597                 fi
1598         ])
1599         if test "x$gcc_cv_as_flags64" = xno; then
1600 changequote(, )
1601             tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1602             dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1603 changequote([, ])
1604         else
1605             AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64",
1606                         [Define if the assembler supports 64bit sparc.])
1607         fi
1608         ;;
1609     *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no}
1610         ;;
1611     esac
1612
1613     if test "x$gcc_cv_as_flags64" != xno; then
1614         AC_CACHE_CHECK([for assembler offsetable %lo() support],
1615             gcc_cv_as_offsetable_lo10, [
1616             gcc_cv_as_offsetable_lo10=unknown
1617             if test "x$gcc_cv_as" != x; then
1618                 # Check if assembler has offsetable %lo()
1619                 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
1620                 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
1621                 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
1622                         > /dev/null 2>&1 &&
1623                    $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
1624                         > /dev/null 2>&1; then
1625                     if cmp conftest.o conftest1.o > /dev/null 2>&1; then
1626                         gcc_cv_as_offsetable_lo10=no
1627                     else
1628                         gcc_cv_as_offsetable_lo10=yes
1629                     fi
1630                 else
1631                     gcc_cv_as_offsetable_lo10=no
1632                 fi
1633                 rm -f conftest.s conftest.o conftest1.s conftest1.o
1634             fi
1635         ])
1636         if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
1637             AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
1638                 [Define if your assembler supports offsetable %lo().])
1639         fi
1640     fi
1641
1642     ;;
1643
1644 changequote(,)dnl
1645   i[34567]86-*-* | x86_64-*-*)
1646 changequote([,])dnl
1647     AC_MSG_CHECKING(assembler instructions)
1648     gcc_cv_as_instructions=
1649     if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1650       if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
1651         gcc_cv_as_instructions="filds fists"
1652       fi
1653     elif test x$gcc_cv_as != x; then
1654         set "filds fists" "filds mem; fists mem"
1655         while test $# -gt 0
1656         do
1657                 echo "$2" > conftest.s
1658                 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1659                         gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
1660                 fi
1661                 shift 2
1662         done
1663         rm -f conftest.s conftest.o
1664     fi
1665     if test x"$gcc_cv_as_instructions" != x; then
1666         AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
1667     fi
1668     AC_MSG_RESULT($gcc_cv_as_instructions)
1669
1670     AC_MSG_CHECKING(assembler GOTOFF in data directives)
1671     gcc_cv_as_gotoff_in_data=no
1672     if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1673     then
1674       if test "$gcc_cv_gas_major_version" -eq 2 \
1675          -a "$gcc_cv_gas_minor_version" -ge 11 \
1676          -o "$gcc_cv_gas_major_version" -gt 2; then
1677         gcc_cv_as_gotoff_in_data=yes
1678       fi
1679     elif test x$gcc_cv_as != x; then
1680         cat > conftest.s <<EOF
1681         .text
1682 .L0:
1683         nop
1684         .data
1685         .long .L0@GOTOFF
1686 EOF
1687         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1688           gcc_cv_as_gotoff_in_data=yes
1689         fi
1690     fi
1691     AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
1692       [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
1693       [Define true if the assembler supports '.long foo@GOTOFF'.])
1694     AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
1695     ;;
1696 esac
1697
1698 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
1699 gcc_cv_as_dwarf2_debug_line=no
1700 # ??? Not all targets support dwarf2 debug_line, even within a version
1701 # of gas.  Moreover, we need to emit a valid instruction to trigger any
1702 # info to the output file.  So, as supported targets are added to gas 2.11,
1703 # add some instruction here to (also) show we expect this might work.
1704 # ??? Once 2.11 is released, probably need to add first known working
1705 # version to the per-target configury.
1706 case "$target" in
1707   i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-*)
1708     insn="nop"
1709     ;;
1710   ia64*-*-*)
1711     insn="nop 0"
1712     ;;
1713   esac
1714 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1715 then
1716   if test "$gcc_cv_gas_major_version" -eq 2 \
1717         -a "$gcc_cv_gas_minor_version" -ge 11 \
1718         -o "$gcc_cv_gas_major_version" -gt 2 \
1719      && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1720      && test x"$insn" != x ; then
1721     gcc_cv_as_dwarf2_debug_line="yes"
1722   fi
1723 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1724         echo '  .file 1 "conftest.s"' > conftest.s
1725         echo '  .loc 1 3 0' >> conftest.s
1726         echo "  $insn" >> conftest.s
1727         # ??? This fails with non-gnu grep.
1728         if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1729            && grep debug_line conftest.o > /dev/null 2>&1 ; then
1730                 # The .debug_line file table must be in the exact order that
1731                 # we specified the files, since these indices are also used
1732                 # by DW_AT_decl_file.  Approximate this test by testing if
1733                 # the assembler bitches if the same index is assigned twice.
1734                 echo '  .file 1 "foo.s"' > conftest.s
1735                 echo '  .file 1 "bar.s"' >> conftest.s
1736                 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
1737                 then
1738                   gcc_cv_as_dwarf2_debug_line="no"
1739                 else
1740                   gcc_cv_as_dwarf2_debug_line="yes"
1741                 fi
1742         fi
1743         rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1744 fi
1745 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
1746         AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
1747 [Define if your assembler supports dwarf2 .file/.loc directives,
1748    and preserves file table indices exactly as given.])
1749 fi
1750 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
1751
1752 AC_MSG_CHECKING(assembler --gdwarf2 support)
1753 gcc_cv_as_gdwarf2_flag=no
1754 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1755 then
1756   if test "$gcc_cv_gas_major_version" -eq 2 \
1757         -a "$gcc_cv_gas_minor_version" -ge 11 \
1758         -o "$gcc_cv_gas_major_version" -gt 2 \
1759      && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1760      && test x"$insn" != x ; then
1761     gcc_cv_as_gdwarf2_debug_flag="yes"
1762   fi
1763 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1764         echo '' > conftest.s
1765         # ??? This fails with non-gnu grep.
1766         if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
1767           then
1768           gcc_cv_as_gdwarf2_flag="yes"
1769         fi
1770         rm -f conftest.s conftest.o
1771 fi
1772 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
1773         AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
1774 [Define if your assembler supports the --gdwarf2 option.])
1775 fi
1776 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
1777
1778 AC_MSG_CHECKING(assembler --gstabs support)
1779 gcc_cv_as_gstabs_flag=no
1780 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1781 then
1782   if test "$gcc_cv_gas_major_version" -eq 2 \
1783         -a "$gcc_cv_gas_minor_version" -ge 11 \
1784         -o "$gcc_cv_gas_major_version" -gt 2 \
1785      && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1786      && test x"$insn" != x ; then
1787     gcc_cv_as_gstabs_debug_flag="yes"
1788   fi
1789 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1790         echo '' > conftest.s
1791         # ??? This fails with non-gnu grep.
1792         if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
1793           gcc_cv_as_gstabs_flag="yes"
1794         fi
1795         rm -f conftest.s conftest.o
1796 fi
1797 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
1798         AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
1799 [Define if your assembler supports the --gstabs option.])
1800 fi
1801 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
1802
1803 if test "$prefix" != "/usr" && test "$prefix" != "/usr/local" ; then
1804   AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
1805 fi
1806
1807 # Figure out what language subdirectories are present.
1808 # Look if the user specified --enable-languages="..."; if not, use
1809 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1810 # go away some day.
1811 # NB:  embedded tabs in this IF block -- do not untabify
1812 if test x"${enable_languages+set}" != xset; then
1813         if test x"${LANGUAGES+set}" = xset; then
1814                 enable_languages="${LANGUAGES}"
1815                 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
1816
1817         else
1818                 enable_languages=all
1819         fi
1820 else
1821         if test x"${enable_languages}" = x ||
1822            test x"${enable_languages}" = xyes;
1823         then
1824                 AC_MSG_ERROR([--enable-languages needs at least one language argument])
1825         fi
1826 fi
1827 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
1828
1829 # First scan to see if an enabled language requires some other language.
1830 # We assume that a given config-lang.in will list all the language
1831 # front ends it requires, even if some are required indirectly.
1832 for lang in ${srcdir}/*/config-lang.in ..
1833 do
1834    case $lang in
1835     ..)
1836        ;;
1837     # The odd quoting in the next line works around
1838     # an apparent bug in bash 1.12 on linux.
1839 changequote(,)dnl
1840     ${srcdir}/[*]/config-lang.in)
1841        ;;
1842     *)
1843        lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^      ]*\).*$,\1,p' $lang`
1844        this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^    ]*\).*$,\1,p' $lang`
1845        for other in $this_lang_requires
1846        do
1847           case ,${enable_languages}, in
1848            *,$other,*)
1849               ;;
1850            *,all,*)
1851               ;;
1852            *,$lang_alias,*)
1853               enable_languages="$enable_languages,$other"
1854               ;;
1855           esac
1856        done
1857        ;;
1858 changequote([,])dnl
1859    esac
1860 done
1861
1862 subdirs=
1863 for lang in ${srcdir}/*/config-lang.in ..
1864 do
1865         case $lang in
1866         ..) ;;
1867         # The odd quoting in the next line works around
1868         # an apparent bug in bash 1.12 on linux.
1869 changequote(,)dnl
1870         ${srcdir}/[*]/config-lang.in) ;;
1871         *)
1872           lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
1873           this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^         ]*\).*$,\1,p' $lang`
1874           build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^     ]*\).*$,\1,p' $lang`
1875           if test "x$lang_alias" = x
1876           then
1877                 echo "$lang doesn't set \$language." 1>&2
1878                 exit 1
1879           fi
1880           case ${build_by_default},${enable_languages}, in
1881           *,$lang_alias,*) add_this_lang=yes ;;
1882           no,*) add_this_lang=no ;;
1883           *,all,*) add_this_lang=yes ;;
1884           *) add_this_lang=no ;;
1885           esac
1886           if test x"${add_this_lang}" = xyes; then
1887                 case $lang in
1888                     ${srcdir}/ada/config-lang.in)
1889                         if test x$have_gnat = xyes ; then
1890                                 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
1891                         fi
1892                         ;;
1893                     *)
1894                         subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
1895                         ;;
1896                 esac
1897           fi
1898           ;;
1899 changequote([,])dnl
1900         esac
1901 done
1902
1903 # Make gthr-default.h if we have a thread file.
1904 gthread_flags=
1905 if test $thread_file != single; then
1906     rm -f gthr-default.h
1907     echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
1908     gthread_flags=-DHAVE_GTHR_DEFAULT
1909 fi
1910 AC_SUBST(gthread_flags)
1911
1912 # Find out what GC implementation we want, or may, use.
1913 AC_ARG_WITH(gc,
1914 [  --with-gc={simple,page} choose the garbage collection mechanism to use
1915                           with the compiler],
1916 [case "$withval" in
1917   simple | page)
1918     GGC=ggc-$withval
1919     ;;
1920   *)
1921     AC_MSG_ERROR([$withval is an invalid option to --with-gc])
1922     ;;
1923 esac],
1924 [GGC=ggc-page])
1925 AC_SUBST(GGC)
1926 echo "Using $GGC for garbage collection."
1927
1928 # Use the system's zlib library.
1929 zlibdir=-L../zlib
1930 zlibinc="-I\$(srcdir)/../zlib"
1931 AC_ARG_WITH(system-zlib,
1932 [  --with-system-zlib      use installed libz],
1933 zlibdir=
1934 zlibinc=
1935 )
1936 AC_SUBST(zlibdir)
1937 AC_SUBST(zlibinc)
1938
1939 dnl Very limited version of automake's enable-maintainer-mode
1940
1941 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
1942   dnl maintainer-mode is disabled by default
1943   AC_ARG_ENABLE(maintainer-mode,
1944 [  --enable-maintainer-mode
1945                           enable make rules and dependencies not useful
1946                           (and sometimes confusing) to the casual installer],
1947       maintainer_mode=$enableval,
1948       maintainer_mode=no)
1949
1950 AC_MSG_RESULT($maintainer_mode)
1951
1952 if test "$maintainer_mode" = "yes"; then
1953   MAINT=''
1954 else
1955   MAINT='#'
1956 fi
1957 AC_SUBST(MAINT)dnl
1958
1959 # With Setjmp/Longjmp based exception handling.
1960 AC_ARG_ENABLE(sjlj-exceptions,
1961 [  --enable-sjlj-exceptions
1962                           arrange to use setjmp/longjmp exception handling],
1963 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
1964 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
1965   [Define 0/1 to force the choice for exception handling model.])])
1966
1967 # Make empty files to contain the specs and options for each language.
1968 # Then add #include lines to for a compiler that has specs and/or options.
1969
1970 lang_specs_files=
1971 lang_options_files=
1972 lang_tree_files=
1973 rm -f specs.h options.h gencheck.h
1974 touch specs.h options.h gencheck.h
1975 for subdir in . $subdirs
1976 do
1977         if test -f $srcdir/$subdir/lang-specs.h; then
1978                 echo "#include \"$subdir/lang-specs.h\"" >>specs.h
1979                 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
1980         fi
1981         if test -f $srcdir/$subdir/lang-options.h; then
1982                 echo "#include \"$subdir/lang-options.h\"" >>options.h
1983                 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
1984         fi
1985         if test -f $srcdir/$subdir/$subdir-tree.def; then
1986                 echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h
1987                 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
1988         fi
1989 done
1990
1991 # These (without "all_") are set in each config-lang.in.
1992 # `language' must be a single word so is spelled singularly.
1993 all_languages=
1994 all_boot_languages=
1995 all_compilers=
1996 all_stagestuff=
1997 all_diff_excludes=
1998 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc'
1999 # List of language makefile fragments.
2000 all_lang_makefiles=
2001 all_headers=
2002 all_lib2funcs=
2003
2004 # Add the language fragments.
2005 # Languages are added via two mechanisms.  Some information must be
2006 # recorded in makefile variables, these are defined in config-lang.in.
2007 # We accumulate them and plug them into the main Makefile.
2008 # The other mechanism is a set of hooks for each of the main targets
2009 # like `clean', `install', etc.
2010
2011 language_fragments="Make-lang"
2012 language_hooks="Make-hooks"
2013
2014 for s in .. $subdirs
2015 do
2016         if test $s != ".."
2017         then
2018                 language=
2019                 boot_language=
2020                 compilers=
2021                 stagestuff=
2022                 diff_excludes=
2023                 headers=
2024                 outputs=
2025                 lib2funcs=
2026                 . ${srcdir}/$s/config-lang.in
2027                 if test "x$language" = x
2028                 then
2029                         echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2030                         exit 1
2031                 fi
2032                 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2033                 if test -f ${srcdir}/$s/Makefile.in
2034                 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2035                 fi
2036                 all_languages="$all_languages $language"
2037                 if test "x$boot_language" = xyes
2038                 then
2039                         all_boot_languages="$all_boot_languages $language"
2040                 fi
2041                 all_compilers="$all_compilers $compilers"
2042                 all_stagestuff="$all_stagestuff $stagestuff"
2043                 all_diff_excludes="$all_diff_excludes $diff_excludes"
2044                 all_headers="$all_headers $headers"
2045                 all_outputs="$all_outputs $outputs"
2046                 all_lib2funcs="$all_lib2funcs $lib2funcs"
2047         fi
2048 done
2049
2050 check_languages=
2051 for language in .. $all_languages
2052 do
2053         if test $language != ".."
2054         then
2055                 check_languages="$check_languages check-$language"
2056         fi
2057 done
2058
2059 # Since we can't use `::' targets, we link each language in
2060 # with a set of hooks, reached indirectly via lang.${target}.
2061
2062 rm -f Make-hooks
2063 touch Make-hooks
2064 target_list="all.build all.cross start.encap rest.encap \
2065         info dvi generated-manpages \
2066         install-normal install-common install-info install-man \
2067         uninstall \
2068         mostlyclean clean distclean extraclean maintainer-clean \
2069         stage1 stage2 stage3 stage4"
2070 for t in $target_list
2071 do
2072         x=
2073         for lang in .. $all_languages
2074         do
2075                 if test $lang != ".."; then
2076                         x="$x $lang.$t"
2077                 fi
2078         done
2079         echo "lang.$t: $x" >> Make-hooks
2080 done
2081
2082 # Create .gdbinit.
2083
2084 echo "dir ." > .gdbinit
2085 echo "dir ${srcdir}" >> .gdbinit
2086 if test x$gdb_needs_out_file_path = xyes
2087 then
2088         echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2089 fi
2090 if test "x$subdirs" != x; then
2091         for s in $subdirs
2092         do
2093                 echo "dir ${srcdir}/$s" >> .gdbinit
2094         done
2095 fi
2096 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2097
2098 # Define variables host_canonical and build_canonical
2099 # because some Cygnus local changes in the Makefile depend on them.
2100 build_canonical=${build}
2101 host_canonical=${host}
2102 target_subdir=
2103 if test "${host}" != "${target}" ; then
2104     target_subdir=${target_alias}/
2105 fi
2106 AC_SUBST(build_canonical)
2107 AC_SUBST(host_canonical)
2108 AC_SUBST(target_subdir)
2109
2110 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2111 # absolute path for gcc_tooldir based on inserting the number of up-directory
2112 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2113 # $(libsubdir)/@(unlibsubdir) based path.
2114 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2115 # make and thus we'd get different behavior depending on where we built the
2116 # sources.
2117 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2118     gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2119 else
2120 changequote(<<, >>)dnl
2121 # An explanation of the sed strings:
2122 #  -e 's|^\$(prefix)||'   matches and eliminates 'prefix' from 'exec_prefix'
2123 #  -e 's|/$||'            match a trailing forward slash and eliminates it
2124 #  -e 's|^[^/]|/|'        forces the string to start with a forward slash (*)
2125 #  -e 's|/[^/]*|../|g'    replaces each occurrence of /<directory> with ../
2126 #
2127 # (*) Note this pattern overwrites the first character of the string
2128 # with a forward slash if one is not already present.  This is not a
2129 # problem because the exact names of the sub-directories concerned is
2130 # unimportant, just the number of them matters.
2131 #
2132 # The practical upshot of these patterns is like this:
2133 #
2134 #  prefix     exec_prefix        result
2135 #  ------     -----------        ------
2136 #   /foo        /foo/bar          ../
2137 #   /foo/       /foo/bar          ../
2138 #   /foo        /foo/bar/         ../
2139 #   /foo/       /foo/bar/         ../
2140 #   /foo        /foo/bar/ugg      ../../
2141 #
2142     dollar='$$'
2143     gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2144 changequote([, ])dnl
2145 fi
2146 AC_SUBST(gcc_tooldir)
2147 AC_SUBST(dollar)
2148
2149 # Find a directory in which to install a shared libgcc.
2150
2151 AC_ARG_ENABLE(version-specific-runtime-libs,
2152 [  --enable-version-specific-runtime-libs
2153                           specify that runtime libraries should be
2154                           installed in a compiler-specific directory])
2155
2156 AC_ARG_WITH(slibdir,
2157 [  --with-slibdir=DIR      shared libraries in DIR [LIBDIR]],
2158 slibdir="$with_slibdir",
2159 if test "${enable_version_specific_runtime_libs+set}" = set; then
2160   slibdir='$(libsubdir)'
2161 elif test "$host" != "$target"; then
2162   slibdir='$(build_tooldir)/lib'
2163 else
2164   slibdir='$(libdir)'
2165 fi)
2166 AC_SUBST(slibdir)
2167
2168 # Nothing to do for FLOAT_H, float_format already handled.
2169 objdir=`pwd`
2170 AC_SUBST(objdir)
2171
2172 # Process the language and host/target makefile fragments.
2173 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2174
2175 # Substitute configuration variables
2176 AC_SUBST(subdirs)
2177 AC_SUBST(all_boot_languages)
2178 AC_SUBST(all_compilers)
2179 AC_SUBST(all_diff_excludes)
2180 AC_SUBST(all_headers)
2181 AC_SUBST(all_lang_makefiles)
2182 AC_SUBST(all_languages)
2183 AC_SUBST(all_lib2funcs)
2184 AC_SUBST(all_stagestuff)
2185 AC_SUBST(build_exeext)
2186 AC_SUBST(build_install_headers_dir)
2187 AC_SUBST(build_xm_file_list)
2188 AC_SUBST(build_xm_file)
2189 AC_SUBST(build_xm_defines)
2190 AC_SUBST(check_languages)
2191 AC_SUBST(cc_set_by_configure)
2192 AC_SUBST(quoted_cc_set_by_configure)
2193 AC_SUBST(cpp_install_dir)
2194 AC_SUBST(dep_host_xmake_file)
2195 AC_SUBST(dep_tmake_file)
2196 AC_SUBST(extra_headers_list)
2197 AC_SUBST(extra_objs)
2198 AC_SUBST(extra_parts)
2199 AC_SUBST(extra_passes)
2200 AC_SUBST(extra_programs)
2201 AC_SUBST(float_h_file)
2202 AC_SUBST(gcc_config_arguments)
2203 AC_SUBST(gcc_gxx_include_dir)
2204 AC_SUBST(libstdcxx_incdir)
2205 AC_SUBST(gcc_version)
2206 AC_SUBST(gcc_version_full)
2207 AC_SUBST(gcc_version_trigger)
2208 AC_SUBST(host_exeext)
2209 AC_SUBST(host_extra_gcc_objs)
2210 AC_SUBST(host_xm_file_list)
2211 AC_SUBST(host_xm_file)
2212 AC_SUBST(host_xm_defines)
2213 AC_SUBST(install)
2214 AC_SUBST(lang_options_files)
2215 AC_SUBST(lang_specs_files)
2216 AC_SUBST(lang_tree_files)
2217 AC_SUBST(local_prefix)
2218 AC_SUBST(md_file)
2219 AC_SUBST(objc_boehm_gc)
2220 AC_SUBST(out_file)
2221 AC_SUBST(out_object_file)
2222 AC_SUBST(stage_prefix_set_by_configure)
2223 AC_SUBST(symbolic_link)
2224 AC_SUBST(thread_file)
2225 AC_SUBST(tm_file_list)
2226 AC_SUBST(tm_file)
2227 AC_SUBST(tm_p_file_list)
2228 AC_SUBST(tm_p_file)
2229 AC_SUBST(xm_file)
2230 AC_SUBST(xm_defines)
2231 AC_SUBST(c_target_objs)
2232 AC_SUBST(cxx_target_objs)
2233 AC_SUBST(target_cpu_default)
2234
2235 AC_SUBST_FILE(target_overrides)
2236 AC_SUBST_FILE(host_overrides)
2237 AC_SUBST_FILE(language_fragments)
2238 AC_SUBST_FILE(language_hooks)
2239
2240 # Echo that links are built
2241 if test x$host = x$target
2242 then
2243         str1="native "
2244 else
2245         str1="cross-"
2246         str2=" from $host"
2247 fi
2248
2249 if test x$host != x$build
2250 then
2251         str3=" on a $build system"
2252 fi
2253
2254 if test "x$str2" != x || test "x$str3" != x
2255 then
2256         str4=
2257 fi
2258
2259 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2260
2261 if test "x$str2" != x || test "x$str3" != x
2262 then
2263         echo " ${str2}${str3}." 1>&2
2264 fi
2265
2266 # Truncate the target if necessary
2267 if test x$host_truncate_target != x; then
2268         target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2269 fi
2270
2271 # Configure the subdirectories
2272 # AC_CONFIG_SUBDIRS($subdirs)
2273
2274 # Create the Makefile
2275 # and configure language subdirectories
2276 AC_OUTPUT($all_outputs,
2277 [
2278 case x$CONFIG_HEADERS in
2279 xauto-host.h:config.in)
2280 echo > cstamp-h ;;
2281 esac
2282 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2283 # bootstrapping and the installation procedure can still use
2284 # CC="stage1/xgcc -Bstage1/".  If the host doesn't support symlinks,
2285 # FLAGS_TO_PASS has been modified to solve the problem there.
2286 # This is virtually a duplicate of what happens in configure.lang; we do
2287 # an extra check to make sure this only happens if ln -s can be used.
2288 if test "$symbolic_link" = "ln -s"; then
2289  for d in .. ${subdirs} fixinc ; do
2290    if test $d != ..; then
2291         STARTDIR=`pwd`
2292         cd $d
2293         for t in stage1 stage2 stage3 stage4 include
2294         do
2295                 rm -f $t
2296                 $symbolic_link ../$t $t 2>/dev/null
2297         done
2298         cd $STARTDIR
2299    fi
2300  done
2301 else true ; fi
2302 # Avoid having to add intl to our include paths.
2303 if test -f intl/libintl.h; then
2304   echo creating libintl.h
2305   echo '#include "intl/libintl.h"' >libintl.h
2306 fi
2307 ],
2308 [
2309 host='${host}'
2310 build='${build}'
2311 target='${target}'
2312 target_alias='${target_alias}'
2313 srcdir='${srcdir}'
2314 subdirs='${subdirs}'
2315 symbolic_link='${symbolic_link}'
2316 program_transform_set='${program_transform_set}'
2317 program_transform_name='${program_transform_name}'
2318 dep_host_xmake_file='${dep_host_xmake_file}'
2319 host_xmake_file='${host_xmake_file}'
2320 dep_tmake_file='${dep_tmake_file}'
2321 tmake_file='${tmake_file}'
2322 thread_file='${thread_file}'
2323 gcc_config_arguments='${gcc_config_arguments}'
2324 gcc_version='${gcc_version}'
2325 gcc_version_full='${gcc_version_full}'
2326 gcc_version_trigger='${gcc_version_trigger}'
2327 local_prefix='${local_prefix}'
2328 build_install_headers_dir='${build_install_headers_dir}'
2329 build_exeext='${build_exeext}'
2330 host_exeext='${host_exeext}'
2331 out_file='${out_file}'
2332 gdb_needs_out_file_path='${gdb_needs_out_file_path}'
2333 SET_MAKE='${SET_MAKE}'
2334 target_list='${target_list}'
2335 target_overrides='${target_overrides}'
2336 host_overrides='${host_overrides}'
2337 cpp_install_dir='${cpp_install_dir}'
2338 ])