2 # Process this file with autoconf to generate a configuration script.
4 # Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
6 #This file is part of GCC.
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
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
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
23 # Initialization and defaults
26 AC_CONFIG_HEADER(auto-host.h:config.in)
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
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)
43 case ${LIBRARY_PATH} in
44 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
45 library_path_setting="contains current directory"
48 library_path_setting="ok"
52 AC_MSG_RESULT($library_path_setting)
53 if test "$library_path_setting" != "ok"; then
55 *** LIBRARY_PATH shouldn't contain the current directory when
56 *** building gcc. Please change the environment variable
57 *** and run configure again.])
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
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)
69 case ${GCC_EXEC_PREFIX} in
70 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
71 gcc_exec_prefix_setting="contains current directory"
74 gcc_exec_prefix_setting="ok"
78 AC_MSG_RESULT($gcc_exec_prefix_setting)
79 if test "$gcc_exec_prefix_setting" != "ok"; then
81 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
82 *** building gcc. Please change the environment variable
83 *** and run configure again.])
86 # Check for additional parameters
90 [ --with-gnu-ld arrange to work with GNU ld.],
91 gnu_ld_flag="$with_gnu_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 $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
104 AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
105 [Define to enable the use of a default linker.])
110 [ --with-gnu-as arrange to work with GNU as],
111 gas_flag="$with_gnu_as",
115 [ --with-as arrange to use the specified as (full pathname)],
116 DEFAULT_ASSEMBLER="$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 $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
123 AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
124 [Define to enable the use of a default assembler.])
129 [ --with-stabs arrange to use stabs instead of host debug format],
135 [ --with-elf arrange to use ELF instead of host debug format],
139 # Specify the 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 ${withval} given for local include directory prefix) ;;
146 *) local_prefix=$with_local_prefix ;;
149 # Default local prefix if it is empty
150 if test x$local_prefix = x; then
151 local_prefix=/usr/local
154 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
155 # passed in by the toplevel make and thus we'd get different behavior
156 # depending on where we built the sources.
158 # Specify the g++ header file directory
159 AC_ARG_WITH(gxx-include-dir,
160 [ --with-gxx-include-dir=DIR
161 specifies directory to put g++ header files],
162 [case "${withval}" in
163 yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
165 *) gcc_gxx_include_dir=$with_gxx_include_dir ;;
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='${libsubdir}/include/g++'
172 topsrcdir=${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}
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)
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
196 ac_gc_always_collect=
197 case "${enableval}" in
198 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;;
200 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
201 set fnord $enableval; shift
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 $check) ;;
217 # Enable some checks by default for development versions of GCC
218 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1;])
219 if test x$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.])
224 if test x$ac_tree_checking != x ; then
225 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
226 [Define if you want all operations on trees (the basic data
227 structure of the front ends) to be checked for dynamic type safety
228 at runtime. This is moderately expensive.])
230 if test x$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.])
236 if test x$ac_gc_checking != x ; then
237 AC_DEFINE(ENABLE_GC_CHECKING, 1,
238 [Define if you want the garbage collector to do object poisoning and
239 other memory allocation checks. This is quite expensive.])
241 if test x$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.])
250 [ --disable-cpp don't provide a user-visible C preprocessor],
251 [], [enable_cpp=yes])
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=$withval
263 # Enable Multibyte Characters for C/C++
264 AC_ARG_ENABLE(c-mbchar,
265 [ --enable-c-mbchar enable multibyte characters for C and C++],
266 if test x$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.])
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],,
280 enable_threads_flag=$enable_threads
281 # Check if a valid thread package
282 case x${enable_threads_flag} in
285 target_thread_file='single'
289 target_thread_file=''
291 xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
292 xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
293 target_thread_file=$enable_threads_flag
296 echo "$enable_threads is an unknown thread package" 1>&2
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$enable_objc_gc = xno; then
312 [ --with-dwarf2 force the default debug format to be DWARF 2],
313 dwarf2="$with_dwarf2",
316 AC_ARG_ENABLE(shared,
317 [ --disable-shared don't provide a shared libgcc],
319 case $enable_shared in
323 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
324 for pkg in $enableval; do
325 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
332 ], [enable_shared=yes])
333 AC_SUBST(enable_shared)
335 # Determine the host, build, and target systems
338 # Set program_transform_name
341 # Find the native compiler
344 # autoconf is lame and doesn't give us any substitution variable for this.
345 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
346 NO_MINUS_C_MINUS_O=yes
348 OUTPUT_OPTION='-o $@'
350 AC_SUBST(NO_MINUS_C_MINUS_O)
351 AC_SUBST(OUTPUT_OPTION)
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"])
361 if test $ac_cv_prog_cc_no_long_long = yes; then
362 strict1_warn="-pedantic -Wno-long-long"
364 AC_SUBST(strict1_warn)
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)
381 if test $ac_cv_c___int64 = yes; then
382 gcc_AC_COMPILE_CHECK_SIZEOF(__int64)
387 # If the native compiler is GCC, we can enable warnings even in stage1.
388 # That's useful for people building cross-compilers, or just running a
391 if test "x$GCC" = "xyes"; then
392 warn_cflags='$(GCC_WARN_CFLAGS)'
394 AC_SUBST(warn_cflags)
396 # Stage specific cflags for build.
402 stage1_cflags="-Wa,-J"
408 AC_SUBST(stage1_cflags)
412 AC_MSG_CHECKING([whether a default assembler was specified])
413 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
414 if test x"$gas_flag" = x"no"; then
415 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
417 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
423 AC_MSG_CHECKING([whether a default linker was specified])
424 if test x"${DEFAULT_LINKER+set}" = x"set"; then
425 if test x"$gnu_ld_flag" = x"no"; then
426 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
428 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
434 AC_MSG_CHECKING(for GNU C library)
435 AC_CACHE_VAL(gcc_cv_glibc,
437 [#include <features.h>],[
438 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
439 #error Not a GNU C library system
443 AC_MSG_RESULT($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])
448 # Find some useful tools
457 gcc_AC_HEADER_STDBOOL
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)
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=])
469 # These tests can't be done till we know if we have limits.h.
471 gcc_AC_C_COMPILE_ENDIAN
472 gcc_AC_C_FLOAT_FORMAT
474 # See if GNAT has been installed
477 # See if we have the mktemp command.
478 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
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.])
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.* \([0-9][0-9.]*\)],
493 if test $gcc_cv_prog_makeinfo_modern = no; then
495 *** Makeinfo is missing or too old.
496 *** Info documentation will not be built.])
499 BUILD_INFO=info AC_SUBST(BUILD_INFO)
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
506 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
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'
518 AC_CHECK_PROG(FLEX, flex, flex, false)
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 $(srcdir)/../bison/'
526 AC_CHECK_PROG(BISON, bison, bison, false)
529 # These libraries may be used by collect2.
530 # We may need a special search path to get them linked.
531 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
533 for libs in '' -lld -lmld \
534 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
535 '-L/usr/lib/cmplrs/cc3.11 -lmld'
538 AC_TRY_LINK_FUNC(ldopen,
539 [gcc_cv_collect2_libs="$libs"; break])
542 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
543 case $gcc_cv_collect2_libs in
545 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
547 AC_SUBST(COLLECT2_LIBS)
549 # When building Ada code on Alpha, we need exc_resume which is usually in
550 # -lexc. So test for it.
553 AC_SEARCH_LIBS(exc_resume, exc)
556 AC_SUBST(GNAT_LIBEXC)
558 # See if the stage1 system preprocessor understands the ANSI C
559 # preprocessor stringification operator. (Used by symcat.h.)
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,
567 [#include <sys/types.h>
568 #include <inttypes.h>],
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 $gcc_cv_header_inttypes_h = yes; then
574 AC_DEFINE(HAVE_INTTYPES_H, 1,
575 [Define if you have a working <inttypes.h> header file.])
578 dnl Disabled until we have a complete test for buggy enum bitfields.
579 dnl gcc_AC_C_ENUM_BF_UNSIGNED
581 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
582 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
583 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat)
585 AC_CHECK_TYPE(ssize_t, int)
587 # Try to determine the array type of the second argument of getgroups
588 # for the target system (int or gid_t).
590 if test "${target}" = "${build}"; then
591 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
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
601 TARGET_GETGROUPS_T=gid_t
605 AC_SUBST(TARGET_GETGROUPS_T)
607 gcc_AC_FUNC_PRINTF_PTR
612 *** UWIN may not be used as a host platform because
613 *** linking with posix.dll is not allowed by the GNU GPL])
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
619 ac_cv_func_vfork_works=yes
623 AC_FUNC_MMAP_ANYWHERE
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"])
638 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
639 #include "ansidecl.h"
641 #ifdef HAVE_SYS_RESOURCE_H
642 #include <sys/resource.h>
646 gcc_AC_CHECK_DECLS(times, , ,[
647 #include "ansidecl.h"
649 #ifdef HAVE_SYS_TIMES_H
650 #include <sys/times.h>
654 # More time-related stuff.
655 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
657 #include "ansidecl.h"
659 #ifdef HAVE_SYS_TIMES_H
660 #include <sys/times.h>
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.])
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, [
672 #include "ansidecl.h"
674 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
675 if test $gcc_cv_type_clock_t = yes; then
676 AC_DEFINE(HAVE_CLOCK_T, 1,
677 [Define if <time.h> defines clock_t.])
680 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
681 CFLAGS="$saved_CFLAGS"
683 # mkdir takes a single argument on some systems.
684 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
694 build_install_headers_dir=install-headers-tar
699 host_truncate_target=
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 . ${srcdir}/config.gcc
710 extra_objs="${host_extra_objs} ${extra_objs}"
712 # Default the target-machine variables that were not explicitly set.
713 if test x"$tm_file" = x
714 then tm_file=$cpu_type/$cpu_type.h; fi
716 if test x"$extra_headers" = x
717 then extra_headers=; fi
719 if test x$md_file = x
720 then md_file=$cpu_type/$cpu_type.md; fi
722 if test x$out_file = x
723 then out_file=$cpu_type/$cpu_type.c; fi
725 if test x"$tmake_file" = x
726 then tmake_file=$cpu_type/t-$cpu_type
729 if test x"$dwarf2" = xyes
730 then tm_file="$tm_file tm-dwarf2.h"
733 if test x$float_format = x
734 then float_format=i64
737 if test $float_format = none
738 then float_h_file=Makefile.in
739 else float_h_file=float-$float_format.h
742 # Handle cpp installation.
743 if test x$enable_cpp != xno
745 tmake_file="$tmake_file t-install-cpp"
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."
752 # If any of the xm_file variables contain nonexistent files, warn
753 # about them and drop them.
756 for x in $build_xm_file; do
757 if test -f $srcdir/config/$x
759 else AC_MSG_WARN($srcdir/config/$x does not exist.)
765 for x in $host_xm_file; do
766 if test -f $srcdir/config/$x
768 else AC_MSG_WARN($srcdir/config/$x does not exist.)
774 for x in $xm_file; do
775 if test -f $srcdir/config/$x
777 else AC_MSG_WARN($srcdir/config/$x does not exist.)
783 for f in $tm_file; do
786 if test $count = ax; then
787 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
789 echo "Using the following target machine macro files:"
790 for f in $tm_file; do
791 echo " $srcdir/config/$f"
796 for f in $host_xm_file; do
799 if test $count = a; then
801 elif test $count = ax; then
802 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
804 echo "Using the following host machine macro files:"
805 for f in $host_xm_file; do
806 echo " $srcdir/config/$f"
810 if test "$host_xm_file" != "$build_xm_file"; then
812 for f in $build_xm_file; do
815 if test $count = a; then
817 elif test $count = ax; then
818 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
820 echo "Using the following build machine macro files:"
821 for f in $build_xm_file; do
822 echo " $srcdir/config/$f"
827 if test x$thread_file = x; then
828 if test x$target_thread_file != x; then
829 thread_file=$target_thread_file
835 # auto-host.h is the file containing items generated by autoconf and is
836 # the first file included by config.h.
837 # If host=build, it is correct to have hconfig include auto-host.h
838 # as well. If host!=build, we are in error and need to do more
839 # work to find out the build config parameters.
840 if test x$host = x$build
842 build_auto=auto-host.h
845 # We create a subdir, then run autoconf in the subdir.
846 # To prevent recursion we set host and build for the new
847 # invocation of configure to the build for this invocation
854 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
855 *) realsrcdir=../${srcdir};;
857 saved_CFLAGS="${CFLAGS}"
858 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
859 ${realsrcdir}/configure \
860 --target=$target --host=$build --build=$build
861 CFLAGS="${saved_CFLAGS}"
863 # We just finished tests for the build machine, so rename
864 # the file auto-build.h in the gcc directory.
865 mv auto-host.h ../auto-build.h
868 build_auto=auto-build.h
873 tm_file="${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} ${tm_file}"
878 # Truncate the target if necessary
879 if test x$host_truncate_target != x; then
880 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
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
887 gcc_version_trigger=${srcdir}/version.c
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/'`
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) $TOPLEVEL_CONFIGURE_ARGUMENTS"
899 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
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";
908 # Internationalization
910 VERSION="$gcc_version"
911 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE",
912 [Define to the name of the distribution.])
913 AC_DEFINE_UNQUOTED(VERSION, "$VERSION",
914 [Define to the version of the distribution.])
918 # Enable NLS support by default
920 [ --enable-nls use Native Language Support (default)],
923 # if cross compiling, disable NLS support.
924 # It's not worth the trouble, at least for now.
926 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
927 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
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],,)
943 win32 | pe | cygwin* | mingw32* | uwin*)
944 AC_MSG_CHECKING(whether windows registry support is requested)
945 if test "x$enable_win32_registry" != xno; then
946 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
947 [Define to 1 if installation paths should be looked up in Windows32
948 Registry. Ignored on non windows32 hosts.])
950 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
955 # Check if user specified a different registry key.
956 case "x${enable_win32_registry}" in
959 gcc_cv_win32_registry_key="$VERSION"
962 # no registry lookup.
963 gcc_cv_win32_registry_key=''
966 # user-specified key.
967 gcc_cv_win32_registry_key="$enable_win32_registry"
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)
980 # Get an absolute path to the GCC top-level source directory
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
991 for f in .. ${host_xmake_file}
993 if test -f ${srcdir}/config/$f
995 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
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
1004 for f in .. ${tmake_file}
1006 if test -f ${srcdir}/config/$f
1008 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
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)".
1016 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1018 cc_set_by_configure="\$(CC)"
1019 quoted_cc_set_by_configure="\$(CC)"
1020 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1021 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1024 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1026 symbolic_link="cp -p"
1030 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1031 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1032 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1033 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1037 out_object_file=`basename $out_file .c`.o
1040 for f in $tm_file; do
1043 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1045 tm_file_list="${tm_file_list} $f" ;;
1046 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1051 for f in $tm_p_file; do
1052 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1056 for f in $host_xm_file; do
1059 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1060 auto-host.h | defaults.h )
1061 host_xm_file_list="${host_xm_file_list} $f" ;;
1062 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1067 for f in $build_xm_file; do
1070 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1071 auto-build.h | auto-host.h | defaults.h )
1072 build_xm_file_list="${build_xm_file_list} $f" ;;
1073 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1077 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1078 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1079 CROSS= AC_SUBST(CROSS)
1080 ALL=all.internal AC_SUBST(ALL)
1081 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1082 if test x$host != x$target
1084 CROSS="-DCROSS_COMPILE"
1086 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1089 # If this is a cross-compiler that does not
1090 # have its own set of headers then define
1093 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1094 # This prevents libgcc2 from containing any code which requires libc
1097 if [test x$host != x$target] && [test x$with_headers = x]; then
1098 inhibit_libc=-Dinhibit_libc
1100 if [test x$with_newlib = xyes]; then
1101 inhibit_libc=-Dinhibit_libc
1104 AC_SUBST(inhibit_libc)
1106 # When building gcc with a cross-compiler, we need to adjust things so
1107 # that the generator programs are still built with the native compiler.
1108 # Also, we cannot run fixincludes or fix-header.
1109 # Note that the terminology here is wrong; it should be BUILD_* throughout.
1112 # These are the normal (build=host) settings:
1113 HOST_PREFIX= AC_SUBST(HOST_PREFIX)
1114 HOST_PREFIX_1=ignore- AC_SUBST(HOST_PREFIX_1)
1115 HOST_CC='$(CC)' AC_SUBST(HOST_CC)
1116 HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
1118 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1119 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1121 # And these apply if build != host.
1122 if test x$build != x$host
1125 HOST_PREFIX_1=build-
1126 HOST_CC='$(CC_FOR_BUILD)'
1127 HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1133 # Expand extra_headers to include complete path.
1134 # This substitutes for lots of t-* files.
1136 if test "x$extra_headers" = x
1139 # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
1140 for file in $extra_headers;
1142 extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
1146 if test x$use_collect2 = xno; then
1150 # Add a definition of USE_COLLECT2 if system wants one.
1151 if test x$use_collect2 != x
1153 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1154 xm_defines="${xm_defines} USE_COLLECT2"
1157 # If we have gas in the build tree, make a link to it.
1158 if test -f ../gas/Makefile; then
1159 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1162 # If we have nm and objdump in the build tree, make a link to them.
1163 if test -f ../binutils/Makefile; then
1164 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1165 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1168 # If we have ld in the build tree, make a link to it.
1169 if test -f ../ld/Makefile; then
1170 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1173 # Figure out what assembler we will be using.
1174 AC_MSG_CHECKING(what assembler to use)
1176 gcc_cv_gas_major_version=
1177 gcc_cv_gas_minor_version=
1178 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1179 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1180 if test -x "$DEFAULT_ASSEMBLER"; then
1181 gcc_cv_as="$DEFAULT_ASSEMBLER"
1182 elif test -x "$AS"; then
1184 elif test -x as$host_exeext; then
1185 # Build using assembler in the current directory.
1186 gcc_cv_as=./as$host_exeext
1187 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1188 # Single tree build which includes gas.
1189 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
1192 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1194 if test x$gcc_cv_gas_version != x; then
1199 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1200 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1204 if test "x$gcc_cv_as" = x -a x$host = x$target; then
1206 # Search the same directories that the installed compiler will
1207 # search. Else we may find the wrong assembler and lose. If we
1208 # do not find a suitable assembler binary, then try the user's
1211 # Also note we have to check MD_EXEC_PREFIX before checking the
1212 # user's path. Unfortunately, there is no good way to get at the
1213 # value of MD_EXEC_PREFIX here. So we do a brute force search
1214 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1215 # to be fixed as part of the make/configure rewrite too.
1217 if test "x$exec_prefix" = xNONE; then
1218 if test "x$prefix" = xNONE; then
1219 test_prefix=/usr/local
1224 test_prefix=$exec_prefix
1227 # If the loop below does not find an assembler, then use whatever
1228 # one we can find in the users's path.
1230 gcc_cv_as=as$host_exeext
1232 test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
1233 $test_prefix/lib/gcc-lib/$target \
1234 /usr/lib/gcc/$target/$gcc_version \
1235 /usr/lib/gcc/$target \
1236 $test_prefix/$target/bin/$target/$gcc_version \
1237 $test_prefix/$target/bin \
1242 /bsd43/usr/lib/cmplrs/cc \
1243 /usr/cross64/usr/bin \
1244 /usr/lib/cmplrs/cc \
1245 /sysv/usr/lib/cmplrs/cc \
1246 /svr4/usr/lib/cmplrs/cc \
1249 for dir in $test_dirs; do
1250 if test -f $dir/as$host_exeext; then
1251 gcc_cv_as=$dir/as$host_exeext
1256 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1257 AC_MSG_RESULT("newly built gas")
1259 AC_MSG_RESULT($gcc_cv_as)
1262 # Figure out what linker we will be using.
1263 AC_MSG_CHECKING(what linker to use)
1265 gcc_cv_gld_major_version=
1266 gcc_cv_gld_minor_version=
1267 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1268 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1269 if test -x "$DEFAULT_LINKER"; then
1270 gcc_cv_ld="$DEFAULT_LINKER"
1271 elif test -x "$LD"; then
1273 elif test -x ld$host_exeext; then
1274 # Build using linker in the current directory.
1275 gcc_cv_ld=./ld$host_exeext
1276 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1277 # Single tree build which includes ld.
1278 for f in $gcc_cv_ld_bfd_srcdir/configure $gcc_cv_ld_gld_srcdir/configure $gcc_cv_ld_gld_srcdir/configure.in $gcc_cv_ld_gld_srcdir/Makefile.in
1281 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1283 if test x$gcc_cv_gld_version != x; then
1288 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1289 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1293 if test "x$gcc_cv_ld" = x -a x$host = x$target; then
1295 # Search the same directories that the installed compiler will
1296 # search. Else we may find the wrong linker and lose. If we
1297 # do not find a suitable linker binary, then try the user's
1300 # Also note we have to check MD_EXEC_PREFIX before checking the
1301 # user's path. Unfortunately, there is no good way to get at the
1302 # value of MD_EXEC_PREFIX here. So we do a brute force search
1303 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1304 # to be fixed as part of the make/configure rewrite too.
1306 if test "x$exec_prefix" = xNONE; then
1307 if test "x$prefix" = xNONE; then
1308 test_prefix=/usr/local
1313 test_prefix=$exec_prefix
1316 # If the loop below does not find an linker, then use whatever
1317 # one we can find in the users's path.
1319 gcc_cv_ld=ld$host_exeext
1321 test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
1322 $test_prefix/lib/gcc-lib/$target \
1323 /usr/lib/gcc/$target/$gcc_version \
1324 /usr/lib/gcc/$target \
1325 $test_prefix/$target/bin/$target/$gcc_version \
1326 $test_prefix/$target/bin \
1331 /bsd43/usr/lib/cmplrs/cc \
1332 /usr/cross64/usr/bin \
1333 /usr/lib/cmplrs/cc \
1334 /sysv/usr/lib/cmplrs/cc \
1335 /svr4/usr/lib/cmplrs/cc \
1338 for dir in $test_dirs; do
1339 if test -f $dir/ld$host_exeext; then
1340 gcc_cv_ld=$dir/ld$host_exeext
1345 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1346 AC_MSG_RESULT("newly built ld")
1348 AC_MSG_RESULT($gcc_cv_ld)
1351 # Figure out what nm we will be using.
1352 AC_MSG_CHECKING(what nm to use)
1353 if test -x nm$host_exeext; then
1354 gcc_cv_nm=./nm$host_exeext
1355 elif test x$host = x$target; then
1357 gcc_cv_nm=nm$host_exeext
1359 AC_MSG_RESULT($gcc_cv_nm)
1361 # Figure out what objdump we will be using.
1362 AC_MSG_CHECKING(what objdump to use)
1363 if test -x objdump$host_exeext; then
1364 gcc_cv_objdump=./objdump$host_exeext
1365 elif test x$host = x$target; then
1367 gcc_cv_objdump=objdump$host_exeext
1369 AC_MSG_RESULT($gcc_cv_objdump)
1371 # Figure out what assembler alignment features are present.
1372 AC_MSG_CHECKING(assembler alignment features)
1373 gcc_cv_as_alignment_features=none
1374 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1375 # Gas version 2.6 and later support for .balign and .p2align.
1376 # bytes to skip when using .p2align.
1377 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1378 gcc_cv_as_alignment_features=".balign and .p2align"
1379 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1381 # Gas version 2.8 and later support specifying the maximum
1382 # bytes to skip when using .p2align.
1383 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1384 gcc_cv_as_alignment_features=".p2align including maximum skip"
1385 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1387 elif test x$gcc_cv_as != x; then
1388 # Check if we have .balign and .p2align
1389 echo ".balign 4" > conftest.s
1390 echo ".p2align 2" >> conftest.s
1391 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1392 gcc_cv_as_alignment_features=".balign and .p2align"
1393 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1395 rm -f conftest.s conftest.o
1396 # Check if specifying the maximum bytes to skip when
1397 # using .p2align is supported.
1398 echo ".p2align 4,,7" > conftest.s
1399 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1400 gcc_cv_as_alignment_features=".p2align including maximum skip"
1401 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1403 rm -f conftest.s conftest.o
1405 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1407 AC_MSG_CHECKING(assembler subsection support)
1408 gcc_cv_as_subsections=no
1409 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1410 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1411 gcc_cv_as_subsections="working .subsection -1"
1413 elif test x$gcc_cv_as != x; then
1414 # Check if we have .subsection
1415 echo ".subsection 1" > conftest.s
1416 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1417 gcc_cv_as_subsections=".subsection"
1418 if test x$gcc_cv_nm != x; then
1419 cat > conftest.s <<EOF
1420 conftest_label1: .word 0
1422 conftest_label2: .word 0
1425 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1426 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1427 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1428 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1431 gcc_cv_as_subsections="working .subsection -1"
1436 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1438 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1439 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1440 [Define if your assembler supports .subsection and .subsection -1 starts
1441 emitting at the beginning of your section.])
1443 AC_MSG_RESULT($gcc_cv_as_subsections)
1445 AC_MSG_CHECKING(assembler weak support)
1447 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1448 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1449 gcc_cv_as_weak="yes"
1451 elif test x$gcc_cv_as != x; then
1452 # Check if we have .weak
1453 echo " .weak foobar" > conftest.s
1454 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1455 gcc_cv_as_weak="yes"
1457 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1459 if test x"$gcc_cv_as_weak" = xyes; then
1460 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1462 AC_MSG_RESULT($gcc_cv_as_weak)
1464 AC_MSG_CHECKING(assembler hidden support)
1466 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1467 if test "$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
1468 gcc_cv_as_hidden="yes"
1470 elif test x$gcc_cv_as != x; then
1471 # Check if we have .hidden
1472 echo " .hidden foobar" > conftest.s
1473 echo "foobar:" >> conftest.s
1474 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1475 gcc_cv_as_hidden="yes"
1477 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1479 if test x"$gcc_cv_as_hidden" = xyes; then
1480 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1481 [Define if your assembler supports .hidden.])
1483 AC_MSG_RESULT($gcc_cv_as_hidden)
1485 AC_MSG_CHECKING(assembler leb128 support)
1487 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1488 if test "$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
1489 gcc_cv_as_leb128="yes"
1491 elif test x$gcc_cv_as != x; then
1492 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1493 cat > conftest.s <<EOF
1501 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1502 gcc_cv_as_leb128="yes"
1504 # GAS versions before 2.11 do not support uleb128,
1505 # despite appearing to.
1506 # ??? There exists an elf-specific test that will crash
1507 # the assembler. Perhaps it's better to figure out whether
1508 # arbitrary sections are supported and try the test.
1509 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1510 if echo "$as_ver" | grep GNU > /dev/null; then
1512 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1513 as_major=`echo $as_ver | sed 's/\..*//'`
1514 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1516 if test $as_major -eq 2 -a $as_minor -lt 11; then
1517 gcc_cv_as_leb128="no"
1521 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1523 if test x"$gcc_cv_as_leb128" = xyes; then
1524 AC_DEFINE(HAVE_AS_LEB128, 1,
1525 [Define if your assembler supports .uleb128.])
1527 AC_MSG_RESULT($gcc_cv_as_leb128)
1529 AC_MSG_CHECKING(assembler eh_frame optimization)
1530 gcc_cv_as_eh_frame=no
1531 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1532 if test "$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
1533 gcc_cv_as_eh_frame="yes"
1535 elif test x$gcc_cv_as != x; then
1536 # Check if this is GAS.
1537 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1538 rm -f a.out 2> /dev/null
1539 if echo "$as_ver" | grep GNU > /dev/null; then
1540 # Versions up to and including 2.11.0 may mis-optimize
1541 # .eh_frame data. Try something.
1542 cat > conftest.s <<EOF
1549 .section .eh_frame,"aw",@progbits
1551 .4byte .LECIE1-.LSCIE1
1565 .4byte .LEFDE1-.LASFDE1
1567 .4byte .LASFDE1-__FRAME_BEGIN__
1576 cat > conftest.lit <<EOF
1577 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1578 0010 01000000 12000000 18000000 00000000 ................
1579 0020 08000000 04080000 0044 .........D
1581 cat > conftest.big <<EOF
1582 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1583 0010 00000001 00000012 00000018 00000000 ................
1584 0020 00000008 04000000 0844 .........D
1586 # If the assembler didn't choke, and we can objdump,
1587 # and we got the correct data, then succeed.
1588 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1589 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1590 | tail -3 > conftest.got \
1591 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1592 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1594 gcc_cv_as_eh_frame="yes"
1596 gcc_cv_as_eh_frame="bad"
1597 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1598 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1599 [Define if your assembler mis-optimizes .eh_frame data.])
1605 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1607 AC_MSG_CHECKING(assembler section merging support)
1608 gcc_cv_as_shf_merge=no
1609 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1610 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1611 gcc_cv_as_shf_merge=yes
1613 elif test x$gcc_cv_as != x; then
1614 # Check if we support SHF_MERGE sections
1615 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1616 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1617 gcc_cv_as_shf_merge=yes
1619 rm -f conftest.s conftest.o
1621 if test x"$gcc_cv_as_shf_merge" = xyes; then
1622 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1623 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1625 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1628 # All TARGET_ABI_OSF targets.
1629 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1630 AC_CACHE_CHECK([assembler supports explicit relocations],
1631 gcc_cv_as_explicit_relocs, [
1632 gcc_cv_as_explicit_relocs=unknown
1633 if test x$gcc_cv_gas_major_version != x \
1634 -a x$gcc_cv_gas_minor_version != x
1636 if test "$gcc_cv_gas_major_version" -eq 2 \
1637 -a "$gcc_cv_gas_minor_version" -ge 12 \
1638 -o "$gcc_cv_gas_major_version" -gt 2; then
1639 gcc_cv_as_explicit_relocs=yes
1641 elif test x$gcc_cv_as != x; then
1642 cat > conftest.s << 'EOF'
1645 extbl $3, $2, $3 !lituse_bytoff!1
1646 ldq $2, a($29) !literal!1
1647 ldq $4, b($29) !literal!2
1648 ldq_u $3, 0($2) !lituse_base!1
1649 ldq $27, f($29) !literal!5
1650 jsr $26, ($27), f !lituse_jsr!5
1651 ldah $29, 0($26) !gpdisp!3
1652 lda $0, c($29) !gprel
1653 ldah $1, d($29) !gprelhigh
1654 lda $1, d($1) !gprellow
1655 lda $29, 0($29) !gpdisp!3
1657 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1658 gcc_cv_as_explicit_relocs=yes
1660 gcc_cv_as_explicit_relocs=no
1662 rm -f conftest.s conftest.o
1665 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1666 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1667 [Define if your assembler supports explicit relocations.])
1671 AC_CACHE_CHECK([assembler .register pseudo-op support],
1672 gcc_cv_as_register_pseudo_op, [
1673 gcc_cv_as_register_pseudo_op=unknown
1674 if test x$gcc_cv_as != x; then
1675 # Check if we have .register
1676 echo ".register %g2, #scratch" > conftest.s
1677 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1678 gcc_cv_as_register_pseudo_op=yes
1680 gcc_cv_as_register_pseudo_op=no
1682 rm -f conftest.s conftest.o
1685 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1686 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1687 [Define if your assembler supports .register.])
1690 AC_CACHE_CHECK([assembler supports -relax],
1691 gcc_cv_as_relax_opt, [
1692 gcc_cv_as_relax_opt=unknown
1693 if test x$gcc_cv_as != x; then
1694 # Check if gas supports -relax
1695 echo ".text" > conftest.s
1696 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1697 gcc_cv_as_relax_opt=yes
1699 gcc_cv_as_relax_opt=no
1701 rm -f conftest.s conftest.o
1704 if test "x$gcc_cv_as_relax_opt" = xyes; then
1705 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1706 [Define if your assembler supports -relax option.])
1711 AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],
1712 gcc_cv_as_flags64, [
1713 if test -n "$gcc_cv_as"; then
1714 echo ".xword foo" > conftest.s
1715 gcc_cv_as_flags64=no
1716 for flag in "-xarch=v9" "-64 -Av9"; do
1717 if $gcc_cv_as $flag -o conftest.o conftest.s \
1718 > /dev/null 2>&1; then
1719 gcc_cv_as_flags64=$flag
1723 rm -f conftest.s conftest.o
1725 if test "$gas" = yes; then
1726 gcc_cv_as_flags64="-64 -Av9"
1728 gcc_cv_as_flags64="-xarch=v9"
1732 if test "x$gcc_cv_as_flags64" = xno; then
1734 tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1735 dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1738 AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64",
1739 [Define if the assembler supports 64bit sparc.])
1742 *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no}
1746 if test "x$gcc_cv_as_flags64" != xno; then
1747 AC_CACHE_CHECK([for assembler offsetable %lo() support],
1748 gcc_cv_as_offsetable_lo10, [
1749 gcc_cv_as_offsetable_lo10=unknown
1750 if test "x$gcc_cv_as" != x; then
1751 # Check if assembler has offsetable %lo()
1752 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
1753 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
1754 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
1756 $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
1757 > /dev/null 2>&1; then
1758 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
1759 gcc_cv_as_offsetable_lo10=no
1761 gcc_cv_as_offsetable_lo10=yes
1764 gcc_cv_as_offsetable_lo10=no
1766 rm -f conftest.s conftest.o conftest1.s conftest1.o
1769 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
1770 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
1771 [Define if your assembler supports offsetable %lo().])
1778 i[34567]86-*-* | x86_64-*-*)
1780 AC_MSG_CHECKING(assembler instructions)
1781 gcc_cv_as_instructions=
1782 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1783 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
1784 gcc_cv_as_instructions="filds fists"
1786 elif test x$gcc_cv_as != x; then
1787 set "filds fists" "filds mem; fists mem"
1790 echo "$2" > conftest.s
1791 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1792 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
1796 rm -f conftest.s conftest.o
1798 if test x"$gcc_cv_as_instructions" != x; then
1799 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
1801 AC_MSG_RESULT($gcc_cv_as_instructions)
1803 AC_MSG_CHECKING(assembler GOTOFF in data directives)
1804 gcc_cv_as_gotoff_in_data=no
1805 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1807 if test "$gcc_cv_gas_major_version" -eq 2 \
1808 -a "$gcc_cv_gas_minor_version" -ge 11 \
1809 -o "$gcc_cv_gas_major_version" -gt 2; then
1810 gcc_cv_as_gotoff_in_data=yes
1812 elif test x$gcc_cv_as != x; then
1813 cat > conftest.s <<EOF
1820 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1821 gcc_cv_as_gotoff_in_data=yes
1824 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
1825 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
1826 [Define true if the assembler supports '.long foo@GOTOFF'.])
1827 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
1831 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
1832 gcc_cv_as_dwarf2_debug_line=no
1833 # ??? Not all targets support dwarf2 debug_line, even within a version
1834 # of gas. Moreover, we need to emit a valid instruction to trigger any
1835 # info to the output file. So, as supported targets are added to gas 2.11,
1836 # add some instruction here to (also) show we expect this might work.
1837 # ??? Once 2.11 is released, probably need to add first known working
1838 # version to the per-target configury.
1840 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-*)
1847 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1849 if test "$gcc_cv_gas_major_version" -eq 2 \
1850 -a "$gcc_cv_gas_minor_version" -ge 11 \
1851 -o "$gcc_cv_gas_major_version" -gt 2 \
1852 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1853 && test x"$insn" != x ; then
1854 gcc_cv_as_dwarf2_debug_line="yes"
1856 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1857 echo ' .file 1 "conftest.s"' > conftest.s
1858 echo ' .loc 1 3 0' >> conftest.s
1859 echo " $insn" >> conftest.s
1860 # ??? This fails with non-gnu grep.
1861 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1862 && grep debug_line conftest.o > /dev/null 2>&1 ; then
1863 # The .debug_line file table must be in the exact order that
1864 # we specified the files, since these indices are also used
1865 # by DW_AT_decl_file. Approximate this test by testing if
1866 # the assembler bitches if the same index is assigned twice.
1867 echo ' .file 1 "foo.s"' > conftest.s
1868 echo ' .file 1 "bar.s"' >> conftest.s
1869 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
1871 gcc_cv_as_dwarf2_debug_line="no"
1873 gcc_cv_as_dwarf2_debug_line="yes"
1876 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1878 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
1879 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
1880 [Define if your assembler supports dwarf2 .file/.loc directives,
1881 and preserves file table indices exactly as given.])
1883 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
1885 AC_MSG_CHECKING(assembler --gdwarf2 support)
1886 gcc_cv_as_gdwarf2_flag=no
1887 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1889 if test "$gcc_cv_gas_major_version" -eq 2 \
1890 -a "$gcc_cv_gas_minor_version" -ge 11 \
1891 -o "$gcc_cv_gas_major_version" -gt 2 \
1892 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1893 && test x"$insn" != x ; then
1894 gcc_cv_as_gdwarf2_debug_flag="yes"
1896 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1897 echo '' > conftest.s
1898 # ??? This fails with non-gnu grep.
1899 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
1901 gcc_cv_as_gdwarf2_flag="yes"
1903 rm -f conftest.s conftest.o
1905 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
1906 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
1907 [Define if your assembler supports the --gdwarf2 option.])
1909 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
1911 AC_MSG_CHECKING(assembler --gstabs support)
1912 gcc_cv_as_gstabs_flag=no
1913 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1915 if test "$gcc_cv_gas_major_version" -eq 2 \
1916 -a "$gcc_cv_gas_minor_version" -ge 11 \
1917 -o "$gcc_cv_gas_major_version" -gt 2 \
1918 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1919 && test x"$insn" != x ; then
1920 gcc_cv_as_gstabs_debug_flag="yes"
1922 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1923 echo '' > conftest.s
1924 # ??? This fails with non-gnu grep.
1925 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
1926 gcc_cv_as_gstabs_flag="yes"
1928 rm -f conftest.s conftest.o
1930 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
1931 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
1932 [Define if your assembler supports the --gstabs option.])
1934 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
1936 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
1937 gcc_cv_ld_eh_frame_hdr=no
1938 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1939 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
1940 gcc_cv_ld_eh_frame_hdr=yes
1942 elif test x$gcc_cv_ld != x; then
1943 # Check if linker supports --eh-frame-hdr option
1944 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
1945 gcc_cv_ld_eh_frame_hdr=yes
1948 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
1949 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
1950 [Define if your linker supports --eh-frame-hdr option.])
1952 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
1954 if test "$prefix" != "/usr" && test "$prefix" != "/usr/local" ; then
1955 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
1958 # Figure out what language subdirectories are present.
1959 # Look if the user specified --enable-languages="..."; if not, use
1960 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1962 # NB: embedded tabs in this IF block -- do not untabify
1963 if test x"${enable_languages+set}" != xset; then
1964 if test x"${LANGUAGES+set}" = xset; then
1965 enable_languages="${LANGUAGES}"
1966 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
1969 enable_languages=all
1972 if test x"${enable_languages}" = x ||
1973 test x"${enable_languages}" = xyes;
1975 AC_MSG_ERROR([--enable-languages needs at least one language argument])
1978 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1980 # First scan to see if an enabled language requires some other language.
1981 # We assume that a given config-lang.in will list all the language
1982 # front ends it requires, even if some are required indirectly.
1983 for lang in ${srcdir}/*/config-lang.in ..
1988 # The odd quoting in the next line works around
1989 # an apparent bug in bash 1.12 on linux.
1991 ${srcdir}/[*]/config-lang.in)
1994 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
1995 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
1996 for other in $this_lang_requires
1998 case ,${enable_languages}, in
2004 enable_languages="$enable_languages,$other"
2014 for lang in ${srcdir}/*/config-lang.in ..
2018 # The odd quoting in the next line works around
2019 # an apparent bug in bash 1.12 on linux.
2021 ${srcdir}/[*]/config-lang.in) ;;
2023 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2024 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2025 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2026 if test "x$lang_alias" = x
2028 echo "$lang doesn't set \$language." 1>&2
2031 case ${build_by_default},${enable_languages}, in
2032 *,$lang_alias,*) add_this_lang=yes ;;
2033 no,*) add_this_lang=no ;;
2034 *,all,*) add_this_lang=yes ;;
2035 *) add_this_lang=no ;;
2037 if test x"${add_this_lang}" = xyes; then
2039 ${srcdir}/ada/config-lang.in)
2040 if test x$have_gnat = xyes ; then
2041 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2045 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2054 # Make gthr-default.h if we have a thread file.
2056 if test $thread_file != single; then
2057 rm -f gthr-default.h
2058 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2059 gthread_flags=-DHAVE_GTHR_DEFAULT
2061 AC_SUBST(gthread_flags)
2063 # Find out what GC implementation we want, or may, use.
2065 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2072 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2077 echo "Using $GGC for garbage collection."
2079 # Use the system's zlib library.
2081 zlibinc="-I\$(srcdir)/../zlib"
2082 AC_ARG_WITH(system-zlib,
2083 [ --with-system-zlib use installed libz],
2090 dnl Very limited version of automake's enable-maintainer-mode
2092 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2093 dnl maintainer-mode is disabled by default
2094 AC_ARG_ENABLE(maintainer-mode,
2095 [ --enable-maintainer-mode
2096 enable make rules and dependencies not useful
2097 (and sometimes confusing) to the casual installer],
2098 maintainer_mode=$enableval,
2101 AC_MSG_RESULT($maintainer_mode)
2103 if test "$maintainer_mode" = "yes"; then
2110 # With Setjmp/Longjmp based exception handling.
2111 AC_ARG_ENABLE(sjlj-exceptions,
2112 [ --enable-sjlj-exceptions
2113 arrange to use setjmp/longjmp exception handling],
2114 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
2115 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
2116 [Define 0/1 to force the choice for exception handling model.])])
2118 # Make empty files to contain the specs and options for each language.
2119 # Then add #include lines to for a compiler that has specs and/or options.
2124 rm -f specs.h options.h gencheck.h
2125 touch specs.h options.h gencheck.h
2126 for subdir in . $subdirs
2128 if test -f $srcdir/$subdir/lang-specs.h; then
2129 echo "#include \"$subdir/lang-specs.h\"" >>specs.h
2130 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2132 if test -f $srcdir/$subdir/lang-options.h; then
2133 echo "#include \"$subdir/lang-options.h\"" >>options.h
2134 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2136 if test -f $srcdir/$subdir/$subdir-tree.def; then
2137 echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h
2138 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2142 # These (without "all_") are set in each config-lang.in.
2143 # `language' must be a single word so is spelled singularly.
2148 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc'
2149 # List of language makefile fragments.
2152 # Add the language fragments.
2153 # Languages are added via two mechanisms. Some information must be
2154 # recorded in makefile variables, these are defined in config-lang.in.
2155 # We accumulate them and plug them into the main Makefile.
2156 # The other mechanism is a set of hooks for each of the main targets
2157 # like `clean', `install', etc.
2159 language_fragments="Make-lang"
2160 language_hooks="Make-hooks"
2162 for s in .. $subdirs
2171 . ${srcdir}/$s/config-lang.in
2172 if test "x$language" = x
2174 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2177 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2178 if test -f ${srcdir}/$s/Makefile.in
2179 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2181 all_languages="$all_languages $language"
2182 if test "x$boot_language" = xyes
2184 all_boot_languages="$all_boot_languages $language"
2186 all_compilers="$all_compilers $compilers"
2187 all_stagestuff="$all_stagestuff $stagestuff"
2188 all_outputs="$all_outputs $outputs"
2193 for language in .. $all_languages
2195 if test $language != ".."
2197 check_languages="$check_languages check-$language"
2201 # Since we can't use `::' targets, we link each language in
2202 # with a set of hooks, reached indirectly via lang.${target}.
2206 target_list="all.build all.cross start.encap rest.encap \
2207 info dvi generated-manpages \
2208 install-normal install-common install-info install-man \
2210 mostlyclean clean distclean extraclean maintainer-clean \
2211 stage1 stage2 stage3 stage4"
2212 for t in $target_list
2215 for lang in .. $all_languages
2217 if test $lang != ".."; then
2221 echo "lang.$t: $x" >> Make-hooks
2226 echo "dir ." > .gdbinit
2227 echo "dir ${srcdir}" >> .gdbinit
2228 if test x$gdb_needs_out_file_path = xyes
2230 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2232 if test "x$subdirs" != x; then
2235 echo "dir ${srcdir}/$s" >> .gdbinit
2238 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2240 # Define variables host_canonical and build_canonical
2241 # because some Cygnus local changes in the Makefile depend on them.
2242 build_canonical=${build}
2243 host_canonical=${host}
2245 if test "${host}" != "${target}" ; then
2246 target_subdir=${target_alias}/
2248 AC_SUBST(build_canonical)
2249 AC_SUBST(host_canonical)
2250 AC_SUBST(target_subdir)
2252 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2253 # absolute path for gcc_tooldir based on inserting the number of up-directory
2254 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2255 # $(libsubdir)/@(unlibsubdir) based path.
2256 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2257 # make and thus we'd get different behavior depending on where we built the
2259 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2260 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2262 changequote(<<, >>)dnl
2263 # An explanation of the sed strings:
2264 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2265 # -e 's|/$||' match a trailing forward slash and eliminates it
2266 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2267 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2269 # (*) Note this pattern overwrites the first character of the string
2270 # with a forward slash if one is not already present. This is not a
2271 # problem because the exact names of the sub-directories concerned is
2272 # unimportant, just the number of them matters.
2274 # The practical upshot of these patterns is like this:
2276 # prefix exec_prefix result
2277 # ------ ----------- ------
2279 # /foo/ /foo/bar ../
2280 # /foo /foo/bar/ ../
2281 # /foo/ /foo/bar/ ../
2282 # /foo /foo/bar/ugg ../../
2285 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2286 changequote([, ])dnl
2288 AC_SUBST(gcc_tooldir)
2291 # Find a directory in which to install a shared libgcc.
2293 AC_ARG_ENABLE(version-specific-runtime-libs,
2294 [ --enable-version-specific-runtime-libs
2295 specify that runtime libraries should be
2296 installed in a compiler-specific directory])
2298 AC_ARG_WITH(slibdir,
2299 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2300 slibdir="$with_slibdir",
2301 if test "${enable_version_specific_runtime_libs+set}" = set; then
2302 slibdir='$(libsubdir)'
2303 elif test "$host" != "$target"; then
2304 slibdir='$(build_tooldir)/lib'
2310 # Nothing to do for FLOAT_H, float_format already handled.
2314 # Process the language and host/target makefile fragments.
2315 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2317 # Substitute configuration variables
2319 AC_SUBST(all_boot_languages)
2320 AC_SUBST(all_compilers)
2321 AC_SUBST(all_lang_makefiles)
2322 AC_SUBST(all_languages)
2323 AC_SUBST(all_stagestuff)
2324 AC_SUBST(build_exeext)
2325 AC_SUBST(build_install_headers_dir)
2326 AC_SUBST(build_xm_file_list)
2327 AC_SUBST(build_xm_file)
2328 AC_SUBST(build_xm_defines)
2329 AC_SUBST(check_languages)
2330 AC_SUBST(cc_set_by_configure)
2331 AC_SUBST(quoted_cc_set_by_configure)
2332 AC_SUBST(cpp_install_dir)
2333 AC_SUBST(dep_host_xmake_file)
2334 AC_SUBST(dep_tmake_file)
2335 AC_SUBST(extra_headers_list)
2336 AC_SUBST(extra_objs)
2337 AC_SUBST(extra_parts)
2338 AC_SUBST(extra_passes)
2339 AC_SUBST(extra_programs)
2340 AC_SUBST(float_h_file)
2341 AC_SUBST(gcc_config_arguments)
2342 AC_SUBST(gcc_gxx_include_dir)
2343 AC_SUBST(libstdcxx_incdir)
2344 AC_SUBST(gcc_version)
2345 AC_SUBST(gcc_version_full)
2346 AC_SUBST(gcc_version_trigger)
2347 AC_SUBST(host_exeext)
2348 AC_SUBST(host_extra_gcc_objs)
2349 AC_SUBST(host_xm_file_list)
2350 AC_SUBST(host_xm_file)
2351 AC_SUBST(host_xm_defines)
2353 AC_SUBST(lang_options_files)
2354 AC_SUBST(lang_specs_files)
2355 AC_SUBST(lang_tree_files)
2356 AC_SUBST(local_prefix)
2358 AC_SUBST(objc_boehm_gc)
2360 AC_SUBST(out_object_file)
2361 AC_SUBST(stage_prefix_set_by_configure)
2362 AC_SUBST(quoted_stage_prefix_set_by_configure)
2363 AC_SUBST(symbolic_link)
2364 AC_SUBST(thread_file)
2365 AC_SUBST(tm_file_list)
2367 AC_SUBST(tm_p_file_list)
2370 AC_SUBST(xm_defines)
2371 AC_SUBST(target_alias)
2372 AC_SUBST(c_target_objs)
2373 AC_SUBST(cxx_target_objs)
2374 AC_SUBST(target_cpu_default)
2376 AC_SUBST_FILE(target_overrides)
2377 AC_SUBST_FILE(host_overrides)
2378 AC_SUBST_FILE(language_fragments)
2379 AC_SUBST_FILE(language_hooks)
2381 # Echo that links are built
2382 if test x$host = x$target
2390 if test x$host != x$build
2392 str3=" on a $build system"
2395 if test "x$str2" != x || test "x$str3" != x
2400 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2402 if test "x$str2" != x || test "x$str3" != x
2404 echo " ${str2}${str3}." 1>&2
2407 # Truncate the target if necessary
2408 if test x$host_truncate_target != x; then
2409 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2412 # Configure the subdirectories
2413 # AC_CONFIG_SUBDIRS($subdirs)
2415 # Create the Makefile
2416 # and configure language subdirectories
2417 AC_OUTPUT($all_outputs,
2419 case x$CONFIG_HEADERS in
2420 xauto-host.h:config.in)
2423 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2424 # bootstrapping and the installation procedure can still use
2425 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2426 # FLAGS_TO_PASS has been modified to solve the problem there.
2427 # This is virtually a duplicate of what happens in configure.lang; we do
2428 # an extra check to make sure this only happens if ln -s can be used.
2429 if test "$symbolic_link" = "ln -s"; then
2430 for d in .. ${subdirs} fixinc ; do
2431 if test $d != ..; then
2434 for t in stage1 stage2 stage3 stage4 include
2437 $symbolic_link ../$t $t 2>/dev/null
2443 # Avoid having to add intl to our include paths.
2444 if test -f intl/libintl.h; then
2445 echo creating libintl.h
2446 echo '#include "intl/libintl.h"' >libintl.h
2453 target_alias='${target_alias}'
2455 subdirs='${subdirs}'
2456 symbolic_link='${symbolic_link}'
2457 program_transform_set='${program_transform_set}'
2458 program_transform_name='${program_transform_name}'
2459 dep_host_xmake_file='${dep_host_xmake_file}'
2460 host_xmake_file='${host_xmake_file}'
2461 dep_tmake_file='${dep_tmake_file}'
2462 tmake_file='${tmake_file}'
2463 thread_file='${thread_file}'
2464 gcc_config_arguments='${gcc_config_arguments}'
2465 gcc_version='${gcc_version}'
2466 gcc_version_full='${gcc_version_full}'
2467 gcc_version_trigger='${gcc_version_trigger}'
2468 local_prefix='${local_prefix}'
2469 build_install_headers_dir='${build_install_headers_dir}'
2470 build_exeext='${build_exeext}'
2471 host_exeext='${host_exeext}'
2472 out_file='${out_file}'
2473 gdb_needs_out_file_path='${gdb_needs_out_file_path}'
2474 SET_MAKE='${SET_MAKE}'
2475 target_list='${target_list}'
2476 target_overrides='${target_overrides}'
2477 host_overrides='${host_overrides}'
2478 cpp_install_dir='${cpp_install_dir}'