2 # Process this file with autoconf to generate a configuration script.
4 # Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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="$gcc_version"
914 # Enable NLS support by default
916 [ --enable-nls use Native Language Support (default)],
919 # if cross compiling, disable NLS support.
920 # It's not worth the trouble, at least for now.
922 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
923 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
929 # Windows32 Registry support for specifying GCC installation paths.
930 AC_ARG_ENABLE(win32-registry,
931 [ --disable-win32-registry
932 disable lookup of installation paths in the
933 Registry on Windows hosts
934 --enable-win32-registry enable registry lookup (default)
935 --enable-win32-registry=KEY
936 use KEY instead of GCC version as the last portion
937 of the registry key],,)
939 win32 | pe | cygwin* | mingw32* | uwin*)
940 AC_MSG_CHECKING(whether windows registry support is requested)
941 if test "x$enable_win32_registry" != xno; then
942 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
943 [Define to 1 if installation paths should be looked up in Windows32
944 Registry. Ignored on non windows32 hosts.])
946 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
951 # Check if user specified a different registry key.
952 case "x${enable_win32_registry}" in
955 gcc_cv_win32_registry_key="$VERSION"
958 # no registry lookup.
959 gcc_cv_win32_registry_key=''
962 # user-specified key.
963 gcc_cv_win32_registry_key="$enable_win32_registry"
967 if test "x$enable_win32_registry" != xno; then
968 AC_MSG_CHECKING(registry key on windows hosts)
969 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
970 [Define to be the last portion of registry key on windows hosts.])
971 AC_MSG_RESULT($gcc_cv_win32_registry_key)
976 # Get an absolute path to the GCC top-level source directory
982 # Conditionalize the makefile for this host machine.
983 # Make-host contains the concatenation of all host makefile fragments
984 # [there can be more than one]. This file is built by configure.frag.
985 host_overrides=Make-host
987 for f in .. ${host_xmake_file}
989 if test -f ${srcdir}/config/$f
991 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
995 # Conditionalize the makefile for this target machine.
996 # Make-target contains the concatenation of all host makefile fragments
997 # [there can be more than one]. This file is built by configure.frag.
998 target_overrides=Make-target
1000 for f in .. ${tmake_file}
1002 if test -f ${srcdir}/config/$f
1004 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1008 # If the host doesn't support symlinks, modify CC in
1009 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1010 # Otherwise, we can use "CC=$(CC)".
1012 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1014 cc_set_by_configure="\$(CC)"
1015 quoted_cc_set_by_configure="\$(CC)"
1016 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1017 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1020 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1022 symbolic_link="cp -p"
1026 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1027 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1028 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1029 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1033 out_object_file=`basename $out_file .c`.o
1036 for f in $tm_file; do
1039 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1041 tm_file_list="${tm_file_list} $f" ;;
1042 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1047 for f in $tm_p_file; do
1048 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1052 for f in $host_xm_file; do
1055 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1056 auto-host.h | defaults.h )
1057 host_xm_file_list="${host_xm_file_list} $f" ;;
1058 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1063 for f in $build_xm_file; do
1066 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1067 auto-build.h | auto-host.h | defaults.h )
1068 build_xm_file_list="${build_xm_file_list} $f" ;;
1069 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1073 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1074 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1075 CROSS= AC_SUBST(CROSS)
1076 ALL=all.internal AC_SUBST(ALL)
1077 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1078 if test x$host != x$target
1080 CROSS="-DCROSS_COMPILE"
1082 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1085 # If this is a cross-compiler that does not
1086 # have its own set of headers then define
1089 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1090 # This prevents libgcc2 from containing any code which requires libc
1093 if [test x$host != x$target] && [test x$with_headers = x]; then
1094 inhibit_libc=-Dinhibit_libc
1096 if [test x$with_newlib = xyes]; then
1097 inhibit_libc=-Dinhibit_libc
1100 AC_SUBST(inhibit_libc)
1102 # When building gcc with a cross-compiler, we need to adjust things so
1103 # that the generator programs are still built with the native compiler.
1104 # Also, we cannot run fixincludes or fix-header.
1105 # Note that the terminology here is wrong; it should be BUILD_* throughout.
1108 # These are the normal (build=host) settings:
1109 HOST_PREFIX= AC_SUBST(HOST_PREFIX)
1110 HOST_PREFIX_1=ignore- AC_SUBST(HOST_PREFIX_1)
1111 HOST_CC='$(CC)' AC_SUBST(HOST_CC)
1112 HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
1114 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1115 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1117 # And these apply if build != host.
1118 if test x$build != x$host
1121 HOST_PREFIX_1=build-
1122 HOST_CC='$(CC_FOR_BUILD)'
1123 HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1129 # Expand extra_headers to include complete path.
1130 # This substitutes for lots of t-* files.
1132 if test "x$extra_headers" = x
1135 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1136 for file in $extra_headers;
1138 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1142 if test x$use_collect2 = xno; then
1146 # Add a definition of USE_COLLECT2 if system wants one.
1147 if test x$use_collect2 != x
1149 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1150 xm_defines="${xm_defines} USE_COLLECT2"
1153 # If we have gas in the build tree, make a link to it.
1154 if test -f ../gas/Makefile; then
1155 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1158 # If we have nm and objdump in the build tree, make a link to them.
1159 if test -f ../binutils/Makefile; then
1160 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1161 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1164 # If we have ld in the build tree, make a link to it.
1165 if test -f ../ld/Makefile; then
1166 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1169 # Figure out what assembler we will be using.
1170 AC_MSG_CHECKING(what assembler to use)
1172 gcc_cv_gas_major_version=
1173 gcc_cv_gas_minor_version=
1174 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1175 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1176 if test -x "$DEFAULT_ASSEMBLER"; then
1177 gcc_cv_as="$DEFAULT_ASSEMBLER"
1178 elif test -x "$AS"; then
1180 elif test -x as$host_exeext; then
1181 # Build using assembler in the current directory.
1182 gcc_cv_as=./as$host_exeext
1183 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1184 # Single tree build which includes gas.
1185 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 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1190 if test x$gcc_cv_gas_version != x; then
1195 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1196 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1200 if test "x$gcc_cv_as" = x -a x$host = x$target; then
1202 # Search the same directories that the installed compiler will
1203 # search. Else we may find the wrong assembler and lose. If we
1204 # do not find a suitable assembler binary, then try the user's
1207 # Also note we have to check MD_EXEC_PREFIX before checking the
1208 # user's path. Unfortunately, there is no good way to get at the
1209 # value of MD_EXEC_PREFIX here. So we do a brute force search
1210 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1211 # to be fixed as part of the make/configure rewrite too.
1213 if test "x$exec_prefix" = xNONE; then
1214 if test "x$prefix" = xNONE; then
1215 test_prefix=/usr/local
1220 test_prefix=$exec_prefix
1223 # If the loop below does not find an assembler, then use whatever
1224 # one we can find in the users's path.
1226 gcc_cv_as=as$host_exeext
1228 test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
1229 $test_prefix/lib/gcc-lib/$target \
1230 /usr/lib/gcc/$target/$gcc_version \
1231 /usr/lib/gcc/$target \
1232 $test_prefix/$target/bin/$target/$gcc_version \
1233 $test_prefix/$target/bin \
1238 /bsd43/usr/lib/cmplrs/cc \
1239 /usr/cross64/usr/bin \
1240 /usr/lib/cmplrs/cc \
1241 /sysv/usr/lib/cmplrs/cc \
1242 /svr4/usr/lib/cmplrs/cc \
1245 for dir in $test_dirs; do
1246 if test -f $dir/as$host_exeext; then
1247 gcc_cv_as=$dir/as$host_exeext
1252 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1253 AC_MSG_RESULT("newly built gas")
1255 AC_MSG_RESULT($gcc_cv_as)
1258 # Figure out what linker we will be using.
1259 AC_MSG_CHECKING(what linker to use)
1261 gcc_cv_gld_major_version=
1262 gcc_cv_gld_minor_version=
1263 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1264 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1265 if test -x "$DEFAULT_LINKER"; then
1266 gcc_cv_ld="$DEFAULT_LINKER"
1267 elif test -x "$LD"; then
1269 elif test -x ld$host_exeext; then
1270 # Build using linker in the current directory.
1271 gcc_cv_ld=./ld$host_exeext
1272 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1273 # Single tree build which includes ld.
1274 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
1277 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1279 if test x$gcc_cv_gld_version != x; then
1284 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1285 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1289 if test "x$gcc_cv_ld" = x -a x$host = x$target; then
1291 # Search the same directories that the installed compiler will
1292 # search. Else we may find the wrong linker and lose. If we
1293 # do not find a suitable linker binary, then try the user's
1296 # Also note we have to check MD_EXEC_PREFIX before checking the
1297 # user's path. Unfortunately, there is no good way to get at the
1298 # value of MD_EXEC_PREFIX here. So we do a brute force search
1299 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1300 # to be fixed as part of the make/configure rewrite too.
1302 if test "x$exec_prefix" = xNONE; then
1303 if test "x$prefix" = xNONE; then
1304 test_prefix=/usr/local
1309 test_prefix=$exec_prefix
1312 # If the loop below does not find an linker, then use whatever
1313 # one we can find in the users's path.
1315 gcc_cv_ld=ld$host_exeext
1317 test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
1318 $test_prefix/lib/gcc-lib/$target \
1319 /usr/lib/gcc/$target/$gcc_version \
1320 /usr/lib/gcc/$target \
1321 $test_prefix/$target/bin/$target/$gcc_version \
1322 $test_prefix/$target/bin \
1327 /bsd43/usr/lib/cmplrs/cc \
1328 /usr/cross64/usr/bin \
1329 /usr/lib/cmplrs/cc \
1330 /sysv/usr/lib/cmplrs/cc \
1331 /svr4/usr/lib/cmplrs/cc \
1334 for dir in $test_dirs; do
1335 if test -f $dir/ld$host_exeext; then
1336 gcc_cv_ld=$dir/ld$host_exeext
1341 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1342 AC_MSG_RESULT("newly built ld")
1344 AC_MSG_RESULT($gcc_cv_ld)
1347 # Figure out what nm we will be using.
1348 AC_MSG_CHECKING(what nm to use)
1349 if test -x nm$host_exeext; then
1350 gcc_cv_nm=./nm$host_exeext
1351 elif test x$host = x$target; then
1353 gcc_cv_nm=nm$host_exeext
1355 AC_MSG_RESULT($gcc_cv_nm)
1357 # Figure out what objdump we will be using.
1358 AC_MSG_CHECKING(what objdump to use)
1359 if test -x objdump$host_exeext; then
1360 gcc_cv_objdump=./objdump$host_exeext
1361 elif test x$host = x$target; then
1363 gcc_cv_objdump=objdump$host_exeext
1365 AC_MSG_RESULT($gcc_cv_objdump)
1367 # Figure out what assembler alignment features are present.
1368 AC_MSG_CHECKING(assembler alignment features)
1369 gcc_cv_as_alignment_features=none
1370 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1371 # Gas version 2.6 and later support for .balign and .p2align.
1372 # bytes to skip when using .p2align.
1373 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1374 gcc_cv_as_alignment_features=".balign and .p2align"
1375 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1377 # Gas version 2.8 and later support specifying the maximum
1378 # bytes to skip when using .p2align.
1379 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1380 gcc_cv_as_alignment_features=".p2align including maximum skip"
1381 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1383 elif test x$gcc_cv_as != x; then
1384 # Check if we have .balign and .p2align
1385 echo ".balign 4" > conftest.s
1386 echo ".p2align 2" >> conftest.s
1387 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1388 gcc_cv_as_alignment_features=".balign and .p2align"
1389 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1391 rm -f conftest.s conftest.o
1392 # Check if specifying the maximum bytes to skip when
1393 # using .p2align is supported.
1394 echo ".p2align 4,,7" > conftest.s
1395 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1396 gcc_cv_as_alignment_features=".p2align including maximum skip"
1397 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1399 rm -f conftest.s conftest.o
1401 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1403 AC_MSG_CHECKING(assembler subsection support)
1404 gcc_cv_as_subsections=no
1405 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1406 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1407 gcc_cv_as_subsections="working .subsection -1"
1409 elif test x$gcc_cv_as != x; then
1410 # Check if we have .subsection
1411 echo ".subsection 1" > conftest.s
1412 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1413 gcc_cv_as_subsections=".subsection"
1414 if test x$gcc_cv_nm != x; then
1415 cat > conftest.s <<EOF
1416 conftest_label1: .word 0
1418 conftest_label2: .word 0
1421 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1422 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1423 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1424 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1427 gcc_cv_as_subsections="working .subsection -1"
1432 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1434 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1435 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1436 [Define if your assembler supports .subsection and .subsection -1 starts
1437 emitting at the beginning of your section.])
1439 AC_MSG_RESULT($gcc_cv_as_subsections)
1441 AC_MSG_CHECKING(assembler weak support)
1443 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1444 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1445 gcc_cv_as_weak="yes"
1447 elif test x$gcc_cv_as != x; then
1448 # Check if we have .weak
1449 echo " .weak foobar" > conftest.s
1450 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1451 gcc_cv_as_weak="yes"
1453 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1455 if test x"$gcc_cv_as_weak" = xyes; then
1456 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1458 AC_MSG_RESULT($gcc_cv_as_weak)
1460 AC_MSG_CHECKING(assembler hidden support)
1462 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1463 if test "$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
1464 gcc_cv_as_hidden="yes"
1466 elif test x$gcc_cv_as != x; then
1467 # Check if we have .hidden
1468 echo " .hidden foobar" > conftest.s
1469 echo "foobar:" >> conftest.s
1470 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1471 gcc_cv_as_hidden="yes"
1473 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1475 if test x"$gcc_cv_as_hidden" = xyes; then
1476 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1477 [Define if your assembler supports .hidden.])
1479 AC_MSG_RESULT($gcc_cv_as_hidden)
1481 AC_MSG_CHECKING(assembler leb128 support)
1483 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1484 if test "$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
1485 gcc_cv_as_leb128="yes"
1487 elif test x$gcc_cv_as != x; then
1488 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1489 cat > conftest.s <<EOF
1497 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1498 gcc_cv_as_leb128="yes"
1500 # GAS versions before 2.11 do not support uleb128,
1501 # despite appearing to.
1502 # ??? There exists an elf-specific test that will crash
1503 # the assembler. Perhaps it's better to figure out whether
1504 # arbitrary sections are supported and try the test.
1505 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1506 if echo "$as_ver" | grep GNU > /dev/null; then
1508 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1509 as_major=`echo $as_ver | sed 's/\..*//'`
1510 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1512 if test $as_major -eq 2 -a $as_minor -lt 11; then
1513 gcc_cv_as_leb128="no"
1517 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1519 if test x"$gcc_cv_as_leb128" = xyes; then
1520 AC_DEFINE(HAVE_AS_LEB128, 1,
1521 [Define if your assembler supports .uleb128.])
1523 AC_MSG_RESULT($gcc_cv_as_leb128)
1525 AC_MSG_CHECKING(assembler eh_frame optimization)
1526 gcc_cv_as_eh_frame=no
1527 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1528 if test "$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
1529 gcc_cv_as_eh_frame="yes"
1531 elif test x$gcc_cv_as != x; then
1532 # Check if this is GAS.
1533 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1534 rm -f a.out 2> /dev/null
1535 if echo "$as_ver" | grep GNU > /dev/null; then
1536 # Versions up to and including 2.11.0 may mis-optimize
1537 # .eh_frame data. Try something.
1538 cat > conftest.s <<EOF
1545 .section .eh_frame,"aw",@progbits
1547 .4byte .LECIE1-.LSCIE1
1561 .4byte .LEFDE1-.LASFDE1
1563 .4byte .LASFDE1-__FRAME_BEGIN__
1572 cat > conftest.lit <<EOF
1573 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1574 0010 01000000 12000000 18000000 00000000 ................
1575 0020 08000000 04080000 0044 .........D
1577 cat > conftest.big <<EOF
1578 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1579 0010 00000001 00000012 00000018 00000000 ................
1580 0020 00000008 04000000 0844 .........D
1582 # If the assembler didn't choke, and we can objdump,
1583 # and we got the correct data, then succeed.
1584 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1585 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1586 | tail -3 > conftest.got \
1587 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1588 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1590 gcc_cv_as_eh_frame="yes"
1592 gcc_cv_as_eh_frame="bad"
1593 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1594 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1595 [Define if your assembler mis-optimizes .eh_frame data.])
1601 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1603 AC_MSG_CHECKING(assembler section merging support)
1604 gcc_cv_as_shf_merge=no
1605 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1606 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1607 gcc_cv_as_shf_merge=yes
1609 elif test x$gcc_cv_as != x; then
1610 # Check if we support SHF_MERGE sections
1611 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1612 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1613 gcc_cv_as_shf_merge=yes
1615 rm -f conftest.s conftest.o
1617 if test x"$gcc_cv_as_shf_merge" = xyes; then
1618 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1619 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1621 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1624 # All TARGET_ABI_OSF targets.
1625 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1626 AC_CACHE_CHECK([assembler supports explicit relocations],
1627 gcc_cv_as_explicit_relocs, [
1628 gcc_cv_as_explicit_relocs=unknown
1629 if test x$gcc_cv_gas_major_version != x \
1630 -a x$gcc_cv_gas_minor_version != x
1632 if test "$gcc_cv_gas_major_version" -eq 2 \
1633 -a "$gcc_cv_gas_minor_version" -ge 12 \
1634 -o "$gcc_cv_gas_major_version" -gt 2; then
1635 gcc_cv_as_explicit_relocs=yes
1637 elif test x$gcc_cv_as != x; then
1638 cat > conftest.s << 'EOF'
1641 extbl $3, $2, $3 !lituse_bytoff!1
1642 ldq $2, a($29) !literal!1
1643 ldq $4, b($29) !literal!2
1644 ldq_u $3, 0($2) !lituse_base!1
1645 ldq $27, f($29) !literal!5
1646 jsr $26, ($27), f !lituse_jsr!5
1647 ldah $29, 0($26) !gpdisp!3
1648 lda $0, c($29) !gprel
1649 ldah $1, d($29) !gprelhigh
1650 lda $1, d($1) !gprellow
1651 lda $29, 0($29) !gpdisp!3
1653 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1654 gcc_cv_as_explicit_relocs=yes
1656 gcc_cv_as_explicit_relocs=no
1658 rm -f conftest.s conftest.o
1661 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1662 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1663 [Define if your assembler supports explicit relocations.])
1667 AC_CACHE_CHECK([assembler .register pseudo-op support],
1668 gcc_cv_as_register_pseudo_op, [
1669 gcc_cv_as_register_pseudo_op=unknown
1670 if test x$gcc_cv_as != x; then
1671 # Check if we have .register
1672 echo ".register %g2, #scratch" > conftest.s
1673 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1674 gcc_cv_as_register_pseudo_op=yes
1676 gcc_cv_as_register_pseudo_op=no
1678 rm -f conftest.s conftest.o
1681 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1682 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1683 [Define if your assembler supports .register.])
1686 AC_CACHE_CHECK([assembler supports -relax],
1687 gcc_cv_as_relax_opt, [
1688 gcc_cv_as_relax_opt=unknown
1689 if test x$gcc_cv_as != x; then
1690 # Check if gas supports -relax
1691 echo ".text" > conftest.s
1692 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1693 gcc_cv_as_relax_opt=yes
1695 gcc_cv_as_relax_opt=no
1697 rm -f conftest.s conftest.o
1700 if test "x$gcc_cv_as_relax_opt" = xyes; then
1701 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1702 [Define if your assembler supports -relax option.])
1705 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
1706 gcc_cv_as_sparc_ua_pcrel, [
1707 gcc_cv_as_sparc_ua_pcrel=unknown
1708 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
1709 gcc_cv_as_sparc_ua_pcrel=no
1710 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
1711 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1; then
1712 if $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
1713 gcc_cv_as_sparc_ua_pcrel=yes
1716 rm -f conftest.s conftest.o conftest
1719 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1720 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
1721 [Define if your assembler and linker support unaligned PC relative relocs.])
1726 AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],
1727 gcc_cv_as_flags64, [
1728 if test -n "$gcc_cv_as"; then
1729 echo ".xword foo" > conftest.s
1730 gcc_cv_as_flags64=no
1731 for flag in "-xarch=v9" "-64 -Av9"; do
1732 if $gcc_cv_as $flag -o conftest.o conftest.s \
1733 > /dev/null 2>&1; then
1734 gcc_cv_as_flags64=$flag
1738 rm -f conftest.s conftest.o
1740 if test "$gas" = yes; then
1741 gcc_cv_as_flags64="-64 -Av9"
1743 gcc_cv_as_flags64="-xarch=v9"
1747 if test "x$gcc_cv_as_flags64" = xno; then
1749 tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1750 dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1753 AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64",
1754 [Define if the assembler supports 64bit sparc.])
1757 *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no}
1761 if test "x$gcc_cv_as_flags64" != xno; then
1762 AC_CACHE_CHECK([for assembler offsetable %lo() support],
1763 gcc_cv_as_offsetable_lo10, [
1764 gcc_cv_as_offsetable_lo10=unknown
1765 if test "x$gcc_cv_as" != x; then
1766 # Check if assembler has offsetable %lo()
1767 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
1768 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
1769 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
1771 $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
1772 > /dev/null 2>&1; then
1773 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
1774 gcc_cv_as_offsetable_lo10=no
1776 gcc_cv_as_offsetable_lo10=yes
1779 gcc_cv_as_offsetable_lo10=no
1781 rm -f conftest.s conftest.o conftest1.s conftest1.o
1784 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
1785 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
1786 [Define if your assembler supports offsetable %lo().])
1793 i[34567]86-*-* | x86_64-*-*)
1795 AC_MSG_CHECKING(assembler instructions)
1796 gcc_cv_as_instructions=
1797 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1798 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
1799 gcc_cv_as_instructions="filds fists"
1801 elif test x$gcc_cv_as != x; then
1802 set "filds fists" "filds mem; fists mem"
1805 echo "$2" > conftest.s
1806 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1807 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
1811 rm -f conftest.s conftest.o
1813 if test x"$gcc_cv_as_instructions" != x; then
1814 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
1816 AC_MSG_RESULT($gcc_cv_as_instructions)
1818 AC_MSG_CHECKING(assembler GOTOFF in data directives)
1819 gcc_cv_as_gotoff_in_data=no
1820 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1822 if test "$gcc_cv_gas_major_version" -eq 2 \
1823 -a "$gcc_cv_gas_minor_version" -ge 11 \
1824 -o "$gcc_cv_gas_major_version" -gt 2; then
1825 gcc_cv_as_gotoff_in_data=yes
1827 elif test x$gcc_cv_as != x; then
1828 cat > conftest.s <<EOF
1835 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1836 gcc_cv_as_gotoff_in_data=yes
1839 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
1840 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
1841 [Define true if the assembler supports '.long foo@GOTOFF'.])
1842 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
1846 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
1847 gcc_cv_as_dwarf2_debug_line=no
1848 # ??? Not all targets support dwarf2 debug_line, even within a version
1849 # of gas. Moreover, we need to emit a valid instruction to trigger any
1850 # info to the output file. So, as supported targets are added to gas 2.11,
1851 # add some instruction here to (also) show we expect this might work.
1852 # ??? Once 2.11 is released, probably need to add first known working
1853 # version to the per-target configury.
1855 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-*)
1862 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1864 if test "$gcc_cv_gas_major_version" -eq 2 \
1865 -a "$gcc_cv_gas_minor_version" -ge 11 \
1866 -o "$gcc_cv_gas_major_version" -gt 2 \
1867 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1868 && test x"$insn" != x ; then
1869 gcc_cv_as_dwarf2_debug_line="yes"
1871 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1872 echo ' .file 1 "conftest.s"' > conftest.s
1873 echo ' .loc 1 3 0' >> conftest.s
1874 echo " $insn" >> conftest.s
1875 # ??? This fails with non-gnu grep.
1876 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1877 && grep debug_line conftest.o > /dev/null 2>&1 ; then
1878 # The .debug_line file table must be in the exact order that
1879 # we specified the files, since these indices are also used
1880 # by DW_AT_decl_file. Approximate this test by testing if
1881 # the assembler bitches if the same index is assigned twice.
1882 echo ' .file 1 "foo.s"' > conftest.s
1883 echo ' .file 1 "bar.s"' >> conftest.s
1884 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
1886 gcc_cv_as_dwarf2_debug_line="no"
1888 gcc_cv_as_dwarf2_debug_line="yes"
1891 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1893 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
1894 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
1895 [Define if your assembler supports dwarf2 .file/.loc directives,
1896 and preserves file table indices exactly as given.])
1898 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
1900 AC_MSG_CHECKING(assembler --gdwarf2 support)
1901 gcc_cv_as_gdwarf2_flag=no
1902 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1904 if test "$gcc_cv_gas_major_version" -eq 2 \
1905 -a "$gcc_cv_gas_minor_version" -ge 11 \
1906 -o "$gcc_cv_gas_major_version" -gt 2 \
1907 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1908 && test x"$insn" != x ; then
1909 gcc_cv_as_gdwarf2_debug_flag="yes"
1911 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1912 echo '' > conftest.s
1913 # ??? This fails with non-gnu grep.
1914 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
1916 gcc_cv_as_gdwarf2_flag="yes"
1918 rm -f conftest.s conftest.o
1920 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
1921 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
1922 [Define if your assembler supports the --gdwarf2 option.])
1924 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
1926 AC_MSG_CHECKING(assembler --gstabs support)
1927 gcc_cv_as_gstabs_flag=no
1928 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1930 if test "$gcc_cv_gas_major_version" -eq 2 \
1931 -a "$gcc_cv_gas_minor_version" -ge 11 \
1932 -o "$gcc_cv_gas_major_version" -gt 2 \
1933 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1934 && test x"$insn" != x ; then
1935 gcc_cv_as_gstabs_debug_flag="yes"
1937 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1938 echo '' > conftest.s
1939 # ??? This fails with non-gnu grep.
1940 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
1941 gcc_cv_as_gstabs_flag="yes"
1943 rm -f conftest.s conftest.o
1945 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
1946 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
1947 [Define if your assembler supports the --gstabs option.])
1949 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
1951 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
1952 gcc_cv_ld_eh_frame_hdr=no
1953 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1954 if test "$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
1955 gcc_cv_ld_eh_frame_hdr=yes
1957 elif test x$gcc_cv_ld != x; then
1958 # Check if linker supports --eh-frame-hdr option
1959 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
1960 gcc_cv_ld_eh_frame_hdr=yes
1963 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
1964 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
1965 [Define if your linker supports --eh-frame-hdr option.])
1967 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
1969 if test "$prefix" != "/usr" && test "$prefix" != "/usr/local" ; then
1970 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
1973 # Figure out what language subdirectories are present.
1974 # Look if the user specified --enable-languages="..."; if not, use
1975 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1977 # NB: embedded tabs in this IF block -- do not untabify
1978 if test x"${enable_languages+set}" != xset; then
1979 if test x"${LANGUAGES+set}" = xset; then
1980 enable_languages="${LANGUAGES}"
1981 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
1984 enable_languages=all
1987 if test x"${enable_languages}" = x ||
1988 test x"${enable_languages}" = xyes;
1990 AC_MSG_ERROR([--enable-languages needs at least one language argument])
1993 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1995 # First scan to see if an enabled language requires some other language.
1996 # We assume that a given config-lang.in will list all the language
1997 # front ends it requires, even if some are required indirectly.
1998 for lang in ${srcdir}/*/config-lang.in ..
2003 # The odd quoting in the next line works around
2004 # an apparent bug in bash 1.12 on linux.
2006 ${srcdir}/[*]/config-lang.in)
2009 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2010 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2011 for other in $this_lang_requires
2013 case ,${enable_languages}, in
2019 enable_languages="$enable_languages,$other"
2029 for lang in ${srcdir}/*/config-lang.in ..
2033 # The odd quoting in the next line works around
2034 # an apparent bug in bash 1.12 on linux.
2036 ${srcdir}/[*]/config-lang.in) ;;
2038 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2039 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2040 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2041 if test "x$lang_alias" = x
2043 echo "$lang doesn't set \$language." 1>&2
2046 case ${build_by_default},${enable_languages}, in
2047 *,$lang_alias,*) add_this_lang=yes ;;
2048 no,*) add_this_lang=no ;;
2049 *,all,*) add_this_lang=yes ;;
2050 *) add_this_lang=no ;;
2052 if test x"${add_this_lang}" = xyes; then
2054 ${srcdir}/ada/config-lang.in)
2055 if test x$have_gnat = xyes ; then
2056 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2060 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2069 # Make gthr-default.h if we have a thread file.
2071 if test $thread_file != single; then
2072 rm -f gthr-default.h
2073 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2074 gthread_flags=-DHAVE_GTHR_DEFAULT
2076 AC_SUBST(gthread_flags)
2078 # Find out what GC implementation we want, or may, use.
2080 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2087 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2092 echo "Using $GGC for garbage collection."
2094 # Use the system's zlib library.
2096 zlibinc="-I\$(srcdir)/../zlib"
2097 AC_ARG_WITH(system-zlib,
2098 [ --with-system-zlib use installed libz],
2105 dnl Very limited version of automake's enable-maintainer-mode
2107 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2108 dnl maintainer-mode is disabled by default
2109 AC_ARG_ENABLE(maintainer-mode,
2110 [ --enable-maintainer-mode
2111 enable make rules and dependencies not useful
2112 (and sometimes confusing) to the casual installer],
2113 maintainer_mode=$enableval,
2116 AC_MSG_RESULT($maintainer_mode)
2118 if test "$maintainer_mode" = "yes"; then
2125 # With Setjmp/Longjmp based exception handling.
2126 AC_ARG_ENABLE(sjlj-exceptions,
2127 [ --enable-sjlj-exceptions
2128 arrange to use setjmp/longjmp exception handling],
2129 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
2130 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
2131 [Define 0/1 to force the choice for exception handling model.])])
2133 # Make empty files to contain the specs and options for each language.
2134 # Then add #include lines to for a compiler that has specs and/or options.
2139 for subdir in . $subdirs
2141 if test -f $srcdir/$subdir/lang-specs.h; then
2142 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2144 if test -f $srcdir/$subdir/lang-options.h; then
2145 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2147 if test -f $srcdir/$subdir/$subdir-tree.def; then
2148 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2152 # These (without "all_") are set in each config-lang.in.
2153 # `language' must be a single word so is spelled singularly.
2158 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc'
2159 # List of language makefile fragments.
2162 # Add the language fragments.
2163 # Languages are added via two mechanisms. Some information must be
2164 # recorded in makefile variables, these are defined in config-lang.in.
2165 # We accumulate them and plug them into the main Makefile.
2166 # The other mechanism is a set of hooks for each of the main targets
2167 # like `clean', `install', etc.
2169 language_fragments="Make-lang"
2170 language_hooks="Make-hooks"
2172 for s in .. $subdirs
2181 . ${srcdir}/$s/config-lang.in
2182 if test "x$language" = x
2184 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2187 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2188 if test -f ${srcdir}/$s/Makefile.in
2189 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2191 all_languages="$all_languages $language"
2192 if test "x$boot_language" = xyes
2194 all_boot_languages="$all_boot_languages $language"
2196 all_compilers="$all_compilers $compilers"
2197 all_stagestuff="$all_stagestuff $stagestuff"
2198 all_outputs="$all_outputs $outputs"
2203 for language in .. $all_languages
2205 if test $language != ".."
2207 check_languages="$check_languages check-$language"
2211 # Since we can't use `::' targets, we link each language in
2212 # with a set of hooks, reached indirectly via lang.${target}.
2216 target_list="all.build all.cross start.encap rest.encap \
2217 info dvi generated-manpages \
2218 install-normal install-common install-info install-man \
2220 mostlyclean clean distclean extraclean maintainer-clean \
2221 stage1 stage2 stage3 stage4"
2222 for t in $target_list
2225 for lang in .. $all_languages
2227 if test $lang != ".."; then
2231 echo "lang.$t: $x" >> Make-hooks
2236 echo "dir ." > .gdbinit
2237 echo "dir ${srcdir}" >> .gdbinit
2238 if test x$gdb_needs_out_file_path = xyes
2240 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2242 if test "x$subdirs" != x; then
2245 echo "dir ${srcdir}/$s" >> .gdbinit
2248 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2250 # Define variables host_canonical and build_canonical
2251 # because some Cygnus local changes in the Makefile depend on them.
2252 build_canonical=${build}
2253 host_canonical=${host}
2255 if test "${host}" != "${target}" ; then
2256 target_subdir=${target_alias}/
2258 AC_SUBST(build_canonical)
2259 AC_SUBST(host_canonical)
2260 AC_SUBST(target_subdir)
2262 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2263 # absolute path for gcc_tooldir based on inserting the number of up-directory
2264 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2265 # $(libsubdir)/@(unlibsubdir) based path.
2266 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2267 # make and thus we'd get different behavior depending on where we built the
2269 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2270 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2272 changequote(<<, >>)dnl
2273 # An explanation of the sed strings:
2274 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2275 # -e 's|/$||' match a trailing forward slash and eliminates it
2276 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2277 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2279 # (*) Note this pattern overwrites the first character of the string
2280 # with a forward slash if one is not already present. This is not a
2281 # problem because the exact names of the sub-directories concerned is
2282 # unimportant, just the number of them matters.
2284 # The practical upshot of these patterns is like this:
2286 # prefix exec_prefix result
2287 # ------ ----------- ------
2289 # /foo/ /foo/bar ../
2290 # /foo /foo/bar/ ../
2291 # /foo/ /foo/bar/ ../
2292 # /foo /foo/bar/ugg ../../
2295 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2296 changequote([, ])dnl
2298 AC_SUBST(gcc_tooldir)
2301 # Find a directory in which to install a shared libgcc.
2303 AC_ARG_ENABLE(version-specific-runtime-libs,
2304 [ --enable-version-specific-runtime-libs
2305 specify that runtime libraries should be
2306 installed in a compiler-specific directory])
2308 AC_ARG_WITH(slibdir,
2309 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2310 slibdir="$with_slibdir",
2311 if test "${enable_version_specific_runtime_libs+set}" = set; then
2312 slibdir='$(libsubdir)'
2313 elif test "$host" != "$target"; then
2314 slibdir='$(build_tooldir)/lib'
2320 # Nothing to do for FLOAT_H, float_format already handled.
2324 # Process the language and host/target makefile fragments.
2325 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2327 # Substitute configuration variables
2329 AC_SUBST(all_boot_languages)
2330 AC_SUBST(all_compilers)
2331 AC_SUBST(all_lang_makefiles)
2332 AC_SUBST(all_languages)
2333 AC_SUBST(all_stagestuff)
2334 AC_SUBST(build_exeext)
2335 AC_SUBST(build_install_headers_dir)
2336 AC_SUBST(build_xm_file_list)
2337 AC_SUBST(build_xm_file)
2338 AC_SUBST(build_xm_defines)
2339 AC_SUBST(check_languages)
2340 AC_SUBST(cc_set_by_configure)
2341 AC_SUBST(quoted_cc_set_by_configure)
2342 AC_SUBST(cpp_install_dir)
2343 AC_SUBST(dep_host_xmake_file)
2344 AC_SUBST(dep_tmake_file)
2345 AC_SUBST(extra_headers_list)
2346 AC_SUBST(extra_objs)
2347 AC_SUBST(extra_parts)
2348 AC_SUBST(extra_passes)
2349 AC_SUBST(extra_programs)
2350 AC_SUBST(float_h_file)
2351 AC_SUBST(gcc_config_arguments)
2352 AC_SUBST(gcc_gxx_include_dir)
2353 AC_SUBST(libstdcxx_incdir)
2354 AC_SUBST(gcc_version)
2355 AC_SUBST(gcc_version_full)
2356 AC_SUBST(gcc_version_trigger)
2357 AC_SUBST(host_exeext)
2358 AC_SUBST(host_extra_gcc_objs)
2359 AC_SUBST(host_xm_file_list)
2360 AC_SUBST(host_xm_file)
2361 AC_SUBST(host_xm_defines)
2363 AC_SUBST(lang_options_files)
2364 AC_SUBST(lang_specs_files)
2365 AC_SUBST(lang_tree_files)
2366 AC_SUBST(local_prefix)
2368 AC_SUBST(objc_boehm_gc)
2370 AC_SUBST(out_object_file)
2371 AC_SUBST(stage_prefix_set_by_configure)
2372 AC_SUBST(quoted_stage_prefix_set_by_configure)
2373 AC_SUBST(symbolic_link)
2374 AC_SUBST(thread_file)
2375 AC_SUBST(tm_file_list)
2377 AC_SUBST(tm_p_file_list)
2380 AC_SUBST(xm_defines)
2381 AC_SUBST(target_alias)
2382 AC_SUBST(c_target_objs)
2383 AC_SUBST(cxx_target_objs)
2384 AC_SUBST(target_cpu_default)
2386 AC_SUBST_FILE(target_overrides)
2387 AC_SUBST_FILE(host_overrides)
2388 AC_SUBST_FILE(language_fragments)
2389 AC_SUBST_FILE(language_hooks)
2391 # Echo that links are built
2392 if test x$host = x$target
2400 if test x$host != x$build
2402 str3=" on a $build system"
2405 if test "x$str2" != x || test "x$str3" != x
2410 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2412 if test "x$str2" != x || test "x$str3" != x
2414 echo " ${str2}${str3}." 1>&2
2417 # Truncate the target if necessary
2418 if test x$host_truncate_target != x; then
2419 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2422 # Configure the subdirectories
2423 # AC_CONFIG_SUBDIRS($subdirs)
2425 # Create the Makefile
2426 # and configure language subdirectories
2427 AC_OUTPUT($all_outputs,
2429 case x$CONFIG_HEADERS in
2430 xauto-host.h:config.in)
2433 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2434 # bootstrapping and the installation procedure can still use
2435 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2436 # FLAGS_TO_PASS has been modified to solve the problem there.
2437 # This is virtually a duplicate of what happens in configure.lang; we do
2438 # an extra check to make sure this only happens if ln -s can be used.
2439 if test "$symbolic_link" = "ln -s"; then
2440 for d in .. ${subdirs} fixinc ; do
2441 if test $d != ..; then
2444 for t in stage1 stage2 stage3 stage4 include
2447 $symbolic_link ../$t $t 2>/dev/null
2453 # Avoid having to add intl to our include paths.
2454 if test -f intl/libintl.h; then
2455 echo creating libintl.h
2456 echo '#include "intl/libintl.h"' >libintl.h
2460 symbolic_link='$symbolic_link'