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)"
1023 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1025 symbolic_link="cp -p"
1029 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1030 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1031 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1035 out_object_file=`basename $out_file .c`.o
1038 for f in $tm_file; do
1041 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1043 tm_file_list="${tm_file_list} $f" ;;
1044 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1049 for f in $tm_p_file; do
1050 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1054 for f in $host_xm_file; do
1057 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1058 auto-host.h | defaults.h )
1059 host_xm_file_list="${host_xm_file_list} $f" ;;
1060 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1065 for f in $build_xm_file; do
1068 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1069 auto-build.h | auto-host.h | defaults.h )
1070 build_xm_file_list="${build_xm_file_list} $f" ;;
1071 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1075 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1076 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1077 CROSS= AC_SUBST(CROSS)
1078 ALL=all.internal AC_SUBST(ALL)
1079 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1080 if test x$host != x$target
1082 CROSS="-DCROSS_COMPILE"
1084 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1087 # If this is a cross-compiler that does not
1088 # have its own set of headers then define
1091 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1092 # This prevents libgcc2 from containing any code which requires libc
1095 if [test x$host != x$target] && [test x$with_headers = x]; then
1096 inhibit_libc=-Dinhibit_libc
1098 if [test x$with_newlib = xyes]; then
1099 inhibit_libc=-Dinhibit_libc
1102 AC_SUBST(inhibit_libc)
1104 # When building gcc with a cross-compiler, we need to adjust things so
1105 # that the generator programs are still built with the native compiler.
1106 # Also, we cannot run fixincludes or fix-header.
1107 # Note that the terminology here is wrong; it should be BUILD_* throughout.
1110 # These are the normal (build=host) settings:
1111 HOST_PREFIX= AC_SUBST(HOST_PREFIX)
1112 HOST_PREFIX_1=ignore- AC_SUBST(HOST_PREFIX_1)
1113 HOST_CC='$(CC)' AC_SUBST(HOST_CC)
1114 HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
1116 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1117 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1119 # And these apply if build != host.
1120 if test x$build != x$host
1123 HOST_PREFIX_1=build-
1124 HOST_CC='$(CC_FOR_BUILD)'
1125 HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1131 # Expand extra_headers to include complete path.
1132 # This substitutes for lots of t-* files.
1134 if test "x$extra_headers" = x
1137 # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
1138 for file in $extra_headers;
1140 extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
1144 if test x$use_collect2 = xno; then
1148 # Add a definition of USE_COLLECT2 if system wants one.
1149 if test x$use_collect2 != x
1151 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1152 xm_defines="${xm_defines} USE_COLLECT2"
1155 # If we have gas in the build tree, make a link to it.
1156 if test -f ../gas/Makefile; then
1157 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1160 # If we have nm and objdump in the build tree, make a link to them.
1161 if test -f ../binutils/Makefile; then
1162 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1163 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1166 # If we have ld in the build tree, make a link to it.
1167 if test -f ../ld/Makefile; then
1168 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1171 # Figure out what assembler we will be using.
1172 AC_MSG_CHECKING(what assembler to use)
1174 gcc_cv_gas_major_version=
1175 gcc_cv_gas_minor_version=
1176 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1177 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1178 if test -x "$DEFAULT_ASSEMBLER"; then
1179 gcc_cv_as="$DEFAULT_ASSEMBLER"
1180 elif test -x "$AS"; then
1182 elif test -x as$host_exeext; then
1183 # Build using assembler in the current directory.
1184 gcc_cv_as=./as$host_exeext
1185 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1186 # Single tree build which includes gas.
1187 for f in $gcc_cv_as_bfd_srcdir/configure $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
1190 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1192 if test x$gcc_cv_gas_version != x; then
1197 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1198 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1202 if test "x$gcc_cv_as" = x -a x$host = x$target; then
1204 # Search the same directories that the installed compiler will
1205 # search. Else we may find the wrong assembler and lose. If we
1206 # do not find a suitable assembler binary, then try the user's
1209 # Also note we have to check MD_EXEC_PREFIX before checking the
1210 # user's path. Unfortunately, there is no good way to get at the
1211 # value of MD_EXEC_PREFIX here. So we do a brute force search
1212 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1213 # to be fixed as part of the make/configure rewrite too.
1215 if test "x$exec_prefix" = xNONE; then
1216 if test "x$prefix" = xNONE; then
1217 test_prefix=/usr/local
1222 test_prefix=$exec_prefix
1225 # If the loop below does not find an assembler, then use whatever
1226 # one we can find in the users's path.
1228 gcc_cv_as=as$host_exeext
1230 test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
1231 $test_prefix/lib/gcc-lib/$target \
1232 /usr/lib/gcc/$target/$gcc_version \
1233 /usr/lib/gcc/$target \
1234 $test_prefix/$target/bin/$target/$gcc_version \
1235 $test_prefix/$target/bin \
1240 /bsd43/usr/lib/cmplrs/cc \
1241 /usr/cross64/usr/bin \
1242 /usr/lib/cmplrs/cc \
1243 /sysv/usr/lib/cmplrs/cc \
1244 /svr4/usr/lib/cmplrs/cc \
1247 for dir in $test_dirs; do
1248 if test -f $dir/as$host_exeext; then
1249 gcc_cv_as=$dir/as$host_exeext
1254 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1255 AC_MSG_RESULT("newly built gas")
1257 AC_MSG_RESULT($gcc_cv_as)
1260 # Figure out what linker we will be using.
1261 AC_MSG_CHECKING(what linker to use)
1263 gcc_cv_gld_major_version=
1264 gcc_cv_gld_minor_version=
1265 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1266 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1267 if test -x "$DEFAULT_LINKER"; then
1268 gcc_cv_ld="$DEFAULT_LINKER"
1269 elif test -x "$LD"; then
1271 elif test -x ld$host_exeext; then
1272 # Build using linker in the current directory.
1273 gcc_cv_ld=./ld$host_exeext
1274 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1275 # Single tree build which includes ld.
1276 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
1279 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1281 if test x$gcc_cv_gld_version != x; then
1286 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1287 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1291 if test "x$gcc_cv_ld" = x -a x$host = x$target; then
1293 # Search the same directories that the installed compiler will
1294 # search. Else we may find the wrong linker and lose. If we
1295 # do not find a suitable linker binary, then try the user's
1298 # Also note we have to check MD_EXEC_PREFIX before checking the
1299 # user's path. Unfortunately, there is no good way to get at the
1300 # value of MD_EXEC_PREFIX here. So we do a brute force search
1301 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1302 # to be fixed as part of the make/configure rewrite too.
1304 if test "x$exec_prefix" = xNONE; then
1305 if test "x$prefix" = xNONE; then
1306 test_prefix=/usr/local
1311 test_prefix=$exec_prefix
1314 # If the loop below does not find an linker, then use whatever
1315 # one we can find in the users's path.
1317 gcc_cv_ld=ld$host_exeext
1319 test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
1320 $test_prefix/lib/gcc-lib/$target \
1321 /usr/lib/gcc/$target/$gcc_version \
1322 /usr/lib/gcc/$target \
1323 $test_prefix/$target/bin/$target/$gcc_version \
1324 $test_prefix/$target/bin \
1329 /bsd43/usr/lib/cmplrs/cc \
1330 /usr/cross64/usr/bin \
1331 /usr/lib/cmplrs/cc \
1332 /sysv/usr/lib/cmplrs/cc \
1333 /svr4/usr/lib/cmplrs/cc \
1336 for dir in $test_dirs; do
1337 if test -f $dir/ld$host_exeext; then
1338 gcc_cv_ld=$dir/ld$host_exeext
1343 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1344 AC_MSG_RESULT("newly built ld")
1346 AC_MSG_RESULT($gcc_cv_ld)
1349 # Figure out what nm we will be using.
1350 AC_MSG_CHECKING(what nm to use)
1351 if test -x nm$host_exeext; then
1352 gcc_cv_nm=./nm$host_exeext
1353 elif test x$host = x$target; then
1355 gcc_cv_nm=nm$host_exeext
1357 AC_MSG_RESULT($gcc_cv_nm)
1359 # Figure out what objdump we will be using.
1360 AC_MSG_CHECKING(what objdump to use)
1361 if test -x objdump$host_exeext; then
1362 gcc_cv_objdump=./objdump$host_exeext
1363 elif test x$host = x$target; then
1365 gcc_cv_objdump=objdump$host_exeext
1367 AC_MSG_RESULT($gcc_cv_objdump)
1369 # Figure out what assembler alignment features are present.
1370 AC_MSG_CHECKING(assembler alignment features)
1371 gcc_cv_as_alignment_features=none
1372 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1373 # Gas version 2.6 and later support for .balign and .p2align.
1374 # bytes to skip when using .p2align.
1375 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1376 gcc_cv_as_alignment_features=".balign and .p2align"
1377 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1379 # Gas version 2.8 and later support specifying the maximum
1380 # bytes to skip when using .p2align.
1381 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1382 gcc_cv_as_alignment_features=".p2align including maximum skip"
1383 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1385 elif test x$gcc_cv_as != x; then
1386 # Check if we have .balign and .p2align
1387 echo ".balign 4" > conftest.s
1388 echo ".p2align 2" >> conftest.s
1389 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1390 gcc_cv_as_alignment_features=".balign and .p2align"
1391 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1393 rm -f conftest.s conftest.o
1394 # Check if specifying the maximum bytes to skip when
1395 # using .p2align is supported.
1396 echo ".p2align 4,,7" > conftest.s
1397 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1398 gcc_cv_as_alignment_features=".p2align including maximum skip"
1399 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1401 rm -f conftest.s conftest.o
1403 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1405 AC_MSG_CHECKING(assembler subsection support)
1406 gcc_cv_as_subsections=no
1407 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1408 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1409 gcc_cv_as_subsections="working .subsection -1"
1411 elif test x$gcc_cv_as != x; then
1412 # Check if we have .subsection
1413 echo ".subsection 1" > conftest.s
1414 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1415 gcc_cv_as_subsections=".subsection"
1416 if test x$gcc_cv_nm != x; then
1417 cat > conftest.s <<EOF
1418 conftest_label1: .word 0
1420 conftest_label2: .word 0
1423 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1424 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1425 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1426 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1429 gcc_cv_as_subsections="working .subsection -1"
1434 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1436 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1437 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1438 [Define if your assembler supports .subsection and .subsection -1 starts
1439 emitting at the beginning of your section.])
1441 AC_MSG_RESULT($gcc_cv_as_subsections)
1443 AC_MSG_CHECKING(assembler weak support)
1445 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1446 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1447 gcc_cv_as_weak="yes"
1449 elif test x$gcc_cv_as != x; then
1450 # Check if we have .weak
1451 echo " .weak foobar" > conftest.s
1452 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1453 gcc_cv_as_weak="yes"
1455 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1457 if test x"$gcc_cv_as_weak" = xyes; then
1458 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1460 AC_MSG_RESULT($gcc_cv_as_weak)
1462 AC_MSG_CHECKING(assembler hidden support)
1464 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1465 if test "$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
1466 gcc_cv_as_hidden="yes"
1468 elif test x$gcc_cv_as != x; then
1469 # Check if we have .hidden
1470 echo " .hidden foobar" > conftest.s
1471 echo "foobar:" >> conftest.s
1472 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1473 gcc_cv_as_hidden="yes"
1475 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1477 if test x"$gcc_cv_as_hidden" = xyes; then
1478 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1479 [Define if your assembler supports .hidden.])
1481 AC_MSG_RESULT($gcc_cv_as_hidden)
1483 AC_MSG_CHECKING(assembler leb128 support)
1485 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1486 if test "$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
1487 gcc_cv_as_leb128="yes"
1489 elif test x$gcc_cv_as != x; then
1490 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1491 cat > conftest.s <<EOF
1499 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1500 gcc_cv_as_leb128="yes"
1502 # GAS versions before 2.11 do not support uleb128,
1503 # despite appearing to.
1504 # ??? There exists an elf-specific test that will crash
1505 # the assembler. Perhaps it's better to figure out whether
1506 # arbitrary sections are supported and try the test.
1507 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1508 if echo "$as_ver" | grep GNU > /dev/null; then
1510 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1511 as_major=`echo $as_ver | sed 's/\..*//'`
1512 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1514 if test $as_major -eq 2 -a $as_minor -lt 11; then
1515 gcc_cv_as_leb128="no"
1519 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1521 if test x"$gcc_cv_as_leb128" = xyes; then
1522 AC_DEFINE(HAVE_AS_LEB128, 1,
1523 [Define if your assembler supports .uleb128.])
1525 AC_MSG_RESULT($gcc_cv_as_leb128)
1527 AC_MSG_CHECKING(assembler eh_frame optimization)
1528 gcc_cv_as_eh_frame=no
1529 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1530 if test "$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
1531 gcc_cv_as_eh_frame="yes"
1533 elif test x$gcc_cv_as != x; then
1534 # Check if this is GAS.
1535 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1536 rm -f a.out 2> /dev/null
1537 if echo "$as_ver" | grep GNU > /dev/null; then
1538 # Versions up to and including 2.11.0 may mis-optimize
1539 # .eh_frame data. Try something.
1540 cat > conftest.s <<EOF
1547 .section .eh_frame,"aw",@progbits
1549 .4byte .LECIE1-.LSCIE1
1563 .4byte .LEFDE1-.LASFDE1
1565 .4byte .LASFDE1-__FRAME_BEGIN__
1574 cat > conftest.lit <<EOF
1575 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1576 0010 01000000 12000000 18000000 00000000 ................
1577 0020 08000000 04080000 0044 .........D
1579 cat > conftest.big <<EOF
1580 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1581 0010 00000001 00000012 00000018 00000000 ................
1582 0020 00000008 04000000 0844 .........D
1584 # If the assembler didn't choke, and we can objdump,
1585 # and we got the correct data, then succeed.
1586 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1587 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1588 | tail -3 > conftest.got \
1589 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1590 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1592 gcc_cv_as_eh_frame="yes"
1594 gcc_cv_as_eh_frame="bad"
1595 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1596 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1597 [Define if your assembler mis-optimizes .eh_frame data.])
1603 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1605 AC_MSG_CHECKING(assembler section merging support)
1606 gcc_cv_as_shf_merge=no
1607 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1608 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1609 gcc_cv_as_shf_merge=yes
1611 elif test x$gcc_cv_as != x; then
1612 # Check if we support SHF_MERGE sections
1613 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1614 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1615 gcc_cv_as_shf_merge=yes
1617 rm -f conftest.s conftest.o
1619 if test x"$gcc_cv_as_shf_merge" = xyes; then
1620 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1621 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1623 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1626 # All TARGET_ABI_OSF targets.
1627 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1628 AC_CACHE_CHECK([assembler supports explicit relocations],
1629 gcc_cv_as_explicit_relocs, [
1630 gcc_cv_as_explicit_relocs=unknown
1631 if test x$gcc_cv_gas_major_version != x \
1632 -a x$gcc_cv_gas_minor_version != x
1634 if test "$gcc_cv_gas_major_version" -eq 2 \
1635 -a "$gcc_cv_gas_minor_version" -ge 12 \
1636 -o "$gcc_cv_gas_major_version" -gt 2; then
1637 gcc_cv_as_explicit_relocs=yes
1639 elif test x$gcc_cv_as != x; then
1640 cat > conftest.s << 'EOF'
1643 extbl $3, $2, $3 !lituse_bytoff!1
1644 ldq $2, a($29) !literal!1
1645 ldq $4, b($29) !literal!2
1646 ldq_u $3, 0($2) !lituse_base!1
1647 ldq $27, f($29) !literal!5
1648 jsr $26, ($27), f !lituse_jsr!5
1649 ldah $29, 0($26) !gpdisp!3
1650 lda $0, c($29) !gprel
1651 ldah $1, d($29) !gprelhigh
1652 lda $1, d($1) !gprellow
1653 lda $29, 0($29) !gpdisp!3
1655 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1656 gcc_cv_as_explicit_relocs=yes
1658 gcc_cv_as_explicit_relocs=no
1660 rm -f conftest.s conftest.o
1663 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1664 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1665 [Define if your assembler supports explicit relocations.])
1669 AC_CACHE_CHECK([assembler .register pseudo-op support],
1670 gcc_cv_as_register_pseudo_op, [
1671 gcc_cv_as_register_pseudo_op=unknown
1672 if test x$gcc_cv_as != x; then
1673 # Check if we have .register
1674 echo ".register %g2, #scratch" > conftest.s
1675 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1676 gcc_cv_as_register_pseudo_op=yes
1678 gcc_cv_as_register_pseudo_op=no
1680 rm -f conftest.s conftest.o
1683 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1684 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1685 [Define if your assembler supports .register.])
1688 AC_CACHE_CHECK([assembler supports -relax],
1689 gcc_cv_as_relax_opt, [
1690 gcc_cv_as_relax_opt=unknown
1691 if test x$gcc_cv_as != x; then
1692 # Check if gas supports -relax
1693 echo ".text" > conftest.s
1694 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1695 gcc_cv_as_relax_opt=yes
1697 gcc_cv_as_relax_opt=no
1699 rm -f conftest.s conftest.o
1702 if test "x$gcc_cv_as_relax_opt" = xyes; then
1703 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1704 [Define if your assembler supports -relax option.])
1709 AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],
1710 gcc_cv_as_flags64, [
1711 if test -n "$gcc_cv_as"; then
1712 echo ".xword foo" > conftest.s
1713 gcc_cv_as_flags64=no
1714 for flag in "-xarch=v9" "-64 -Av9"; do
1715 if $gcc_cv_as $flag -o conftest.o conftest.s \
1716 > /dev/null 2>&1; then
1717 gcc_cv_as_flags64=$flag
1721 rm -f conftest.s conftest.o
1723 if test "$gas" = yes; then
1724 gcc_cv_as_flags64="-64 -Av9"
1726 gcc_cv_as_flags64="-xarch=v9"
1730 if test "x$gcc_cv_as_flags64" = xno; then
1732 tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1733 dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1736 AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64",
1737 [Define if the assembler supports 64bit sparc.])
1740 *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no}
1744 if test "x$gcc_cv_as_flags64" != xno; then
1745 AC_CACHE_CHECK([for assembler offsetable %lo() support],
1746 gcc_cv_as_offsetable_lo10, [
1747 gcc_cv_as_offsetable_lo10=unknown
1748 if test "x$gcc_cv_as" != x; then
1749 # Check if assembler has offsetable %lo()
1750 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
1751 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
1752 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
1754 $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
1755 > /dev/null 2>&1; then
1756 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
1757 gcc_cv_as_offsetable_lo10=no
1759 gcc_cv_as_offsetable_lo10=yes
1762 gcc_cv_as_offsetable_lo10=no
1764 rm -f conftest.s conftest.o conftest1.s conftest1.o
1767 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
1768 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
1769 [Define if your assembler supports offsetable %lo().])
1776 i[34567]86-*-* | x86_64-*-*)
1778 AC_MSG_CHECKING(assembler instructions)
1779 gcc_cv_as_instructions=
1780 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1781 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
1782 gcc_cv_as_instructions="filds fists"
1784 elif test x$gcc_cv_as != x; then
1785 set "filds fists" "filds mem; fists mem"
1788 echo "$2" > conftest.s
1789 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1790 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
1794 rm -f conftest.s conftest.o
1796 if test x"$gcc_cv_as_instructions" != x; then
1797 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
1799 AC_MSG_RESULT($gcc_cv_as_instructions)
1801 AC_MSG_CHECKING(assembler GOTOFF in data directives)
1802 gcc_cv_as_gotoff_in_data=no
1803 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1805 if test "$gcc_cv_gas_major_version" -eq 2 \
1806 -a "$gcc_cv_gas_minor_version" -ge 11 \
1807 -o "$gcc_cv_gas_major_version" -gt 2; then
1808 gcc_cv_as_gotoff_in_data=yes
1810 elif test x$gcc_cv_as != x; then
1811 cat > conftest.s <<EOF
1818 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1819 gcc_cv_as_gotoff_in_data=yes
1822 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
1823 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
1824 [Define true if the assembler supports '.long foo@GOTOFF'.])
1825 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
1829 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
1830 gcc_cv_as_dwarf2_debug_line=no
1831 # ??? Not all targets support dwarf2 debug_line, even within a version
1832 # of gas. Moreover, we need to emit a valid instruction to trigger any
1833 # info to the output file. So, as supported targets are added to gas 2.11,
1834 # add some instruction here to (also) show we expect this might work.
1835 # ??? Once 2.11 is released, probably need to add first known working
1836 # version to the per-target configury.
1838 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-*)
1845 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1847 if test "$gcc_cv_gas_major_version" -eq 2 \
1848 -a "$gcc_cv_gas_minor_version" -ge 11 \
1849 -o "$gcc_cv_gas_major_version" -gt 2 \
1850 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1851 && test x"$insn" != x ; then
1852 gcc_cv_as_dwarf2_debug_line="yes"
1854 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1855 echo ' .file 1 "conftest.s"' > conftest.s
1856 echo ' .loc 1 3 0' >> conftest.s
1857 echo " $insn" >> conftest.s
1858 # ??? This fails with non-gnu grep.
1859 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1860 && grep debug_line conftest.o > /dev/null 2>&1 ; then
1861 # The .debug_line file table must be in the exact order that
1862 # we specified the files, since these indices are also used
1863 # by DW_AT_decl_file. Approximate this test by testing if
1864 # the assembler bitches if the same index is assigned twice.
1865 echo ' .file 1 "foo.s"' > conftest.s
1866 echo ' .file 1 "bar.s"' >> conftest.s
1867 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
1869 gcc_cv_as_dwarf2_debug_line="no"
1871 gcc_cv_as_dwarf2_debug_line="yes"
1874 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1876 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
1877 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
1878 [Define if your assembler supports dwarf2 .file/.loc directives,
1879 and preserves file table indices exactly as given.])
1881 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
1883 AC_MSG_CHECKING(assembler --gdwarf2 support)
1884 gcc_cv_as_gdwarf2_flag=no
1885 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1887 if test "$gcc_cv_gas_major_version" -eq 2 \
1888 -a "$gcc_cv_gas_minor_version" -ge 11 \
1889 -o "$gcc_cv_gas_major_version" -gt 2 \
1890 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1891 && test x"$insn" != x ; then
1892 gcc_cv_as_gdwarf2_debug_flag="yes"
1894 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1895 echo '' > conftest.s
1896 # ??? This fails with non-gnu grep.
1897 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
1899 gcc_cv_as_gdwarf2_flag="yes"
1901 rm -f conftest.s conftest.o
1903 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
1904 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
1905 [Define if your assembler supports the --gdwarf2 option.])
1907 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
1909 AC_MSG_CHECKING(assembler --gstabs support)
1910 gcc_cv_as_gstabs_flag=no
1911 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1913 if test "$gcc_cv_gas_major_version" -eq 2 \
1914 -a "$gcc_cv_gas_minor_version" -ge 11 \
1915 -o "$gcc_cv_gas_major_version" -gt 2 \
1916 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1917 && test x"$insn" != x ; then
1918 gcc_cv_as_gstabs_debug_flag="yes"
1920 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1921 echo '' > conftest.s
1922 # ??? This fails with non-gnu grep.
1923 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
1924 gcc_cv_as_gstabs_flag="yes"
1926 rm -f conftest.s conftest.o
1928 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
1929 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
1930 [Define if your assembler supports the --gstabs option.])
1932 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
1934 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
1935 gcc_cv_ld_eh_frame_hdr=no
1936 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1937 if test "$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
1938 gcc_cv_ld_eh_frame_hdr=yes
1940 elif test x$gcc_cv_ld != x; then
1941 # Check if linker supports --eh-frame-hdr option
1942 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
1943 gcc_cv_ld_eh_frame_hdr=yes
1946 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
1947 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
1948 [Define if your linker supports --eh-frame-hdr option.])
1950 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
1952 if test "$prefix" != "/usr" && test "$prefix" != "/usr/local" ; then
1953 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
1956 # Figure out what language subdirectories are present.
1957 # Look if the user specified --enable-languages="..."; if not, use
1958 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1960 # NB: embedded tabs in this IF block -- do not untabify
1961 if test x"${enable_languages+set}" != xset; then
1962 if test x"${LANGUAGES+set}" = xset; then
1963 enable_languages="${LANGUAGES}"
1964 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
1967 enable_languages=all
1970 if test x"${enable_languages}" = x ||
1971 test x"${enable_languages}" = xyes;
1973 AC_MSG_ERROR([--enable-languages needs at least one language argument])
1976 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1978 # First scan to see if an enabled language requires some other language.
1979 # We assume that a given config-lang.in will list all the language
1980 # front ends it requires, even if some are required indirectly.
1981 for lang in ${srcdir}/*/config-lang.in ..
1986 # The odd quoting in the next line works around
1987 # an apparent bug in bash 1.12 on linux.
1989 ${srcdir}/[*]/config-lang.in)
1992 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
1993 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
1994 for other in $this_lang_requires
1996 case ,${enable_languages}, in
2002 enable_languages="$enable_languages,$other"
2012 for lang in ${srcdir}/*/config-lang.in ..
2016 # The odd quoting in the next line works around
2017 # an apparent bug in bash 1.12 on linux.
2019 ${srcdir}/[*]/config-lang.in) ;;
2021 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2022 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2023 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2024 if test "x$lang_alias" = x
2026 echo "$lang doesn't set \$language." 1>&2
2029 case ${build_by_default},${enable_languages}, in
2030 *,$lang_alias,*) add_this_lang=yes ;;
2031 no,*) add_this_lang=no ;;
2032 *,all,*) add_this_lang=yes ;;
2033 *) add_this_lang=no ;;
2035 if test x"${add_this_lang}" = xyes; then
2037 ${srcdir}/ada/config-lang.in)
2038 if test x$have_gnat = xyes ; then
2039 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2043 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2052 # Make gthr-default.h if we have a thread file.
2054 if test $thread_file != single; then
2055 rm -f gthr-default.h
2056 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2057 gthread_flags=-DHAVE_GTHR_DEFAULT
2059 AC_SUBST(gthread_flags)
2061 # Find out what GC implementation we want, or may, use.
2063 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2070 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2075 echo "Using $GGC for garbage collection."
2077 # Use the system's zlib library.
2079 zlibinc="-I\$(srcdir)/../zlib"
2080 AC_ARG_WITH(system-zlib,
2081 [ --with-system-zlib use installed libz],
2088 dnl Very limited version of automake's enable-maintainer-mode
2090 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2091 dnl maintainer-mode is disabled by default
2092 AC_ARG_ENABLE(maintainer-mode,
2093 [ --enable-maintainer-mode
2094 enable make rules and dependencies not useful
2095 (and sometimes confusing) to the casual installer],
2096 maintainer_mode=$enableval,
2099 AC_MSG_RESULT($maintainer_mode)
2101 if test "$maintainer_mode" = "yes"; then
2108 # With Setjmp/Longjmp based exception handling.
2109 AC_ARG_ENABLE(sjlj-exceptions,
2110 [ --enable-sjlj-exceptions
2111 arrange to use setjmp/longjmp exception handling],
2112 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
2113 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
2114 [Define 0/1 to force the choice for exception handling model.])])
2116 # Make empty files to contain the specs and options for each language.
2117 # Then add #include lines to for a compiler that has specs and/or options.
2122 rm -f specs.h options.h gencheck.h
2123 touch specs.h options.h gencheck.h
2124 for subdir in . $subdirs
2126 if test -f $srcdir/$subdir/lang-specs.h; then
2127 echo "#include \"$subdir/lang-specs.h\"" >>specs.h
2128 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2130 if test -f $srcdir/$subdir/lang-options.h; then
2131 echo "#include \"$subdir/lang-options.h\"" >>options.h
2132 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2134 if test -f $srcdir/$subdir/$subdir-tree.def; then
2135 echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h
2136 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2140 # These (without "all_") are set in each config-lang.in.
2141 # `language' must be a single word so is spelled singularly.
2146 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc'
2147 # List of language makefile fragments.
2150 # Add the language fragments.
2151 # Languages are added via two mechanisms. Some information must be
2152 # recorded in makefile variables, these are defined in config-lang.in.
2153 # We accumulate them and plug them into the main Makefile.
2154 # The other mechanism is a set of hooks for each of the main targets
2155 # like `clean', `install', etc.
2157 language_fragments="Make-lang"
2158 language_hooks="Make-hooks"
2160 for s in .. $subdirs
2169 . ${srcdir}/$s/config-lang.in
2170 if test "x$language" = x
2172 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2175 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2176 if test -f ${srcdir}/$s/Makefile.in
2177 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2179 all_languages="$all_languages $language"
2180 if test "x$boot_language" = xyes
2182 all_boot_languages="$all_boot_languages $language"
2184 all_compilers="$all_compilers $compilers"
2185 all_stagestuff="$all_stagestuff $stagestuff"
2186 all_outputs="$all_outputs $outputs"
2191 for language in .. $all_languages
2193 if test $language != ".."
2195 check_languages="$check_languages check-$language"
2199 # Since we can't use `::' targets, we link each language in
2200 # with a set of hooks, reached indirectly via lang.${target}.
2204 target_list="all.build all.cross start.encap rest.encap \
2205 info dvi generated-manpages \
2206 install-normal install-common install-info install-man \
2208 mostlyclean clean distclean extraclean maintainer-clean \
2209 stage1 stage2 stage3 stage4"
2210 for t in $target_list
2213 for lang in .. $all_languages
2215 if test $lang != ".."; then
2219 echo "lang.$t: $x" >> Make-hooks
2224 echo "dir ." > .gdbinit
2225 echo "dir ${srcdir}" >> .gdbinit
2226 if test x$gdb_needs_out_file_path = xyes
2228 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2230 if test "x$subdirs" != x; then
2233 echo "dir ${srcdir}/$s" >> .gdbinit
2236 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2238 # Define variables host_canonical and build_canonical
2239 # because some Cygnus local changes in the Makefile depend on them.
2240 build_canonical=${build}
2241 host_canonical=${host}
2243 if test "${host}" != "${target}" ; then
2244 target_subdir=${target_alias}/
2246 AC_SUBST(build_canonical)
2247 AC_SUBST(host_canonical)
2248 AC_SUBST(target_subdir)
2250 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2251 # absolute path for gcc_tooldir based on inserting the number of up-directory
2252 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2253 # $(libsubdir)/@(unlibsubdir) based path.
2254 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2255 # make and thus we'd get different behavior depending on where we built the
2257 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2258 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2260 changequote(<<, >>)dnl
2261 # An explanation of the sed strings:
2262 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2263 # -e 's|/$||' match a trailing forward slash and eliminates it
2264 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2265 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2267 # (*) Note this pattern overwrites the first character of the string
2268 # with a forward slash if one is not already present. This is not a
2269 # problem because the exact names of the sub-directories concerned is
2270 # unimportant, just the number of them matters.
2272 # The practical upshot of these patterns is like this:
2274 # prefix exec_prefix result
2275 # ------ ----------- ------
2277 # /foo/ /foo/bar ../
2278 # /foo /foo/bar/ ../
2279 # /foo/ /foo/bar/ ../
2280 # /foo /foo/bar/ugg ../../
2283 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2284 changequote([, ])dnl
2286 AC_SUBST(gcc_tooldir)
2289 # Find a directory in which to install a shared libgcc.
2291 AC_ARG_ENABLE(version-specific-runtime-libs,
2292 [ --enable-version-specific-runtime-libs
2293 specify that runtime libraries should be
2294 installed in a compiler-specific directory])
2296 AC_ARG_WITH(slibdir,
2297 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2298 slibdir="$with_slibdir",
2299 if test "${enable_version_specific_runtime_libs+set}" = set; then
2300 slibdir='$(libsubdir)'
2301 elif test "$host" != "$target"; then
2302 slibdir='$(build_tooldir)/lib'
2308 # Nothing to do for FLOAT_H, float_format already handled.
2312 # Process the language and host/target makefile fragments.
2313 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2315 # Substitute configuration variables
2317 AC_SUBST(all_boot_languages)
2318 AC_SUBST(all_compilers)
2319 AC_SUBST(all_lang_makefiles)
2320 AC_SUBST(all_languages)
2321 AC_SUBST(all_stagestuff)
2322 AC_SUBST(build_exeext)
2323 AC_SUBST(build_install_headers_dir)
2324 AC_SUBST(build_xm_file_list)
2325 AC_SUBST(build_xm_file)
2326 AC_SUBST(build_xm_defines)
2327 AC_SUBST(check_languages)
2328 AC_SUBST(cc_set_by_configure)
2329 AC_SUBST(quoted_cc_set_by_configure)
2330 AC_SUBST(cpp_install_dir)
2331 AC_SUBST(dep_host_xmake_file)
2332 AC_SUBST(dep_tmake_file)
2333 AC_SUBST(extra_headers_list)
2334 AC_SUBST(extra_objs)
2335 AC_SUBST(extra_parts)
2336 AC_SUBST(extra_passes)
2337 AC_SUBST(extra_programs)
2338 AC_SUBST(float_h_file)
2339 AC_SUBST(gcc_config_arguments)
2340 AC_SUBST(gcc_gxx_include_dir)
2341 AC_SUBST(libstdcxx_incdir)
2342 AC_SUBST(gcc_version)
2343 AC_SUBST(gcc_version_full)
2344 AC_SUBST(gcc_version_trigger)
2345 AC_SUBST(host_exeext)
2346 AC_SUBST(host_extra_gcc_objs)
2347 AC_SUBST(host_xm_file_list)
2348 AC_SUBST(host_xm_file)
2349 AC_SUBST(host_xm_defines)
2351 AC_SUBST(lang_options_files)
2352 AC_SUBST(lang_specs_files)
2353 AC_SUBST(lang_tree_files)
2354 AC_SUBST(local_prefix)
2356 AC_SUBST(objc_boehm_gc)
2358 AC_SUBST(out_object_file)
2359 AC_SUBST(stage_prefix_set_by_configure)
2360 AC_SUBST(symbolic_link)
2361 AC_SUBST(thread_file)
2362 AC_SUBST(tm_file_list)
2364 AC_SUBST(tm_p_file_list)
2367 AC_SUBST(xm_defines)
2368 AC_SUBST(target_alias)
2369 AC_SUBST(c_target_objs)
2370 AC_SUBST(cxx_target_objs)
2371 AC_SUBST(target_cpu_default)
2373 AC_SUBST_FILE(target_overrides)
2374 AC_SUBST_FILE(host_overrides)
2375 AC_SUBST_FILE(language_fragments)
2376 AC_SUBST_FILE(language_hooks)
2378 # Echo that links are built
2379 if test x$host = x$target
2387 if test x$host != x$build
2389 str3=" on a $build system"
2392 if test "x$str2" != x || test "x$str3" != x
2397 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2399 if test "x$str2" != x || test "x$str3" != x
2401 echo " ${str2}${str3}." 1>&2
2404 # Truncate the target if necessary
2405 if test x$host_truncate_target != x; then
2406 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2409 # Configure the subdirectories
2410 # AC_CONFIG_SUBDIRS($subdirs)
2412 # Create the Makefile
2413 # and configure language subdirectories
2414 AC_OUTPUT($all_outputs,
2416 case x$CONFIG_HEADERS in
2417 xauto-host.h:config.in)
2420 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2421 # bootstrapping and the installation procedure can still use
2422 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2423 # FLAGS_TO_PASS has been modified to solve the problem there.
2424 # This is virtually a duplicate of what happens in configure.lang; we do
2425 # an extra check to make sure this only happens if ln -s can be used.
2426 if test "$symbolic_link" = "ln -s"; then
2427 for d in .. ${subdirs} fixinc ; do
2428 if test $d != ..; then
2431 for t in stage1 stage2 stage3 stage4 include
2434 $symbolic_link ../$t $t 2>/dev/null
2440 # Avoid having to add intl to our include paths.
2441 if test -f intl/libintl.h; then
2442 echo creating libintl.h
2443 echo '#include "intl/libintl.h"' >libintl.h
2450 target_alias='${target_alias}'
2452 subdirs='${subdirs}'
2453 symbolic_link='${symbolic_link}'
2454 program_transform_set='${program_transform_set}'
2455 program_transform_name='${program_transform_name}'
2456 dep_host_xmake_file='${dep_host_xmake_file}'
2457 host_xmake_file='${host_xmake_file}'
2458 dep_tmake_file='${dep_tmake_file}'
2459 tmake_file='${tmake_file}'
2460 thread_file='${thread_file}'
2461 gcc_config_arguments='${gcc_config_arguments}'
2462 gcc_version='${gcc_version}'
2463 gcc_version_full='${gcc_version_full}'
2464 gcc_version_trigger='${gcc_version_trigger}'
2465 local_prefix='${local_prefix}'
2466 build_install_headers_dir='${build_install_headers_dir}'
2467 build_exeext='${build_exeext}'
2468 host_exeext='${host_exeext}'
2469 out_file='${out_file}'
2470 gdb_needs_out_file_path='${gdb_needs_out_file_path}'
2471 SET_MAKE='${SET_MAKE}'
2472 target_list='${target_list}'
2473 target_overrides='${target_overrides}'
2474 host_overrides='${host_overrides}'
2475 cpp_install_dir='${cpp_install_dir}'