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='${libsubdir}/include/c++'
172 topsrcdir=${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,rtlflag,gc,gcac;
191 default is misc,tree,gc,rtlflag],
197 ac_gc_always_collect=
198 case "${enableval}" in
199 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
200 ac_rtlflag_checking=1 ;;
202 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
203 set fnord $enableval; shift
208 misc) ac_checking=1 ;;
209 tree) ac_tree_checking=1 ;;
210 rtlflag) ac_rtlflag_checking=1 ;;
211 rtl) ac_rtl_checking=1 ;;
212 gc) ac_gc_checking=1 ;;
213 gcac) ac_gc_always_collect=1 ;;
214 *) AC_MSG_ERROR(unknown check category $check) ;;
220 # Enable some checks by default for development versions of GCC
221 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
223 if test x$ac_checking != x ; then
224 AC_DEFINE(ENABLE_CHECKING, 1,
225 [Define if you want more run-time sanity checks. This one gets a grab
226 bag of miscellaneous but relatively cheap checks.])
227 nocommon_flag=-fno-common
229 AC_SUBST(nocommon_flag)
230 if test x$ac_tree_checking != x ; then
231 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
232 [Define if you want all operations on trees (the basic data
233 structure of the front ends) to be checked for dynamic type safety
234 at runtime. This is moderately expensive.])
236 if test x$ac_rtl_checking != x ; then
237 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
238 [Define if you want all operations on RTL (the basic data structure
239 of the optimizer and back end) to be checked for dynamic type safety
240 at runtime. This is quite expensive.])
242 if test x$ac_rtlflag_checking != x ; then
243 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
244 [Define if you want RTL flag accesses to be checked against the RTL
245 codes that are supported for each access macro. This is relatively
248 if test x$ac_gc_checking != x ; then
249 AC_DEFINE(ENABLE_GC_CHECKING, 1,
250 [Define if you want the garbage collector to do object poisoning and
251 other memory allocation checks. This is quite expensive.])
253 if test x$ac_gc_always_collect != x ; then
254 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
255 [Define if you want the garbage collector to operate in maximally
256 paranoid mode, validating the entire heap and collecting garbage at
257 every opportunity. This is extremely expensive.])
260 # Enable code coverage collection
261 AC_ARG_ENABLE(coverage,
262 [ --enable-coverage[=LEVEL]
263 enable compiler\'s code coverage collection.
264 Use to measure compiler performance and locate
265 unused parts of the compiler. With LEVEL, specificy
266 optimization. Values are opt, noopt,
268 [case "${enableval}" in
270 coverage_flags="-fprofile-arcs -ftest-coverage -O0"
273 coverage_flags="-fprofile-arcs -ftest-coverage -O2"
276 AC_MSG_ERROR(unknown coverage setting $enableval)
280 AC_SUBST(coverage_flags)
282 AC_ARG_WITH(cpp_install_dir,
283 [ --with-cpp-install-dir=DIR
284 install the user visible C preprocessor in DIR
285 (relative to PREFIX) as well as PREFIX/bin],
286 [if test x$withval = xyes; then
287 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
288 elif test x$withval != xno; then
289 cpp_install_dir=$withval
292 # Enable __cxa_atexit for C++.
293 AC_ARG_ENABLE(__cxa_atexit,
294 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
296 if test x$enable___cxa_atexit = xyes; then
297 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
298 [Define if you want to use __cxa_atexit, rather than atexit, to
299 register C++ destructors for local statics and global objects.
300 This is essential for fully standards-compliant handling of
301 destructors, but requires __cxa_atexit in libc.])
304 # Enable Multibyte Characters for C/C++
305 AC_ARG_ENABLE(c-mbchar,
306 [ --enable-c-mbchar enable multibyte characters for C and C++],
307 if test x$enable_c_mbchar != xno; then
308 AC_DEFINE(MULTIBYTE_CHARS, 1,
309 [Define if you want the C and C++ compilers to support multibyte
310 character sets for source code.])
314 # Pass with no value to take the default
315 # Pass with a value to specify a thread package
316 AC_ARG_ENABLE(threads,
317 [ --enable-threads enable thread usage for target GCC
318 --enable-threads=LIB use LIB thread package for target GCC],,
321 enable_threads_flag=$enable_threads
322 # Check if a valid thread package
323 case x${enable_threads_flag} in
326 target_thread_file='single'
330 target_thread_file=''
332 xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
333 xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
334 target_thread_file=$enable_threads_flag
337 echo "$enable_threads is an unknown thread package" 1>&2
342 AC_ARG_ENABLE(objc-gc,
343 [ --enable-objc-gc enable the use of Boehm's garbage collector with
344 the GNU Objective-C runtime],
345 if test x$enable_objc_gc = xno; then
353 [ --with-dwarf2 force the default debug format to be DWARF 2],
354 dwarf2="$with_dwarf2",
357 AC_ARG_ENABLE(shared,
358 [ --disable-shared don't provide a shared libgcc],
360 case $enable_shared in
364 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
365 for pkg in $enableval; do
366 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
373 ], [enable_shared=yes])
374 AC_SUBST(enable_shared)
376 # Determine the host, build, and target systems
379 # Set program_transform_name
382 # Find the native compiler
385 # autoconf is lame and doesn't give us any substitution variable for this.
386 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
387 NO_MINUS_C_MINUS_O=yes
389 OUTPUT_OPTION='-o $@'
391 AC_SUBST(NO_MINUS_C_MINUS_O)
392 AC_SUBST(OUTPUT_OPTION)
394 # See if GNAT has been installed
397 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
398 ac_cv_prog_cc_no_long_long,
399 [save_CFLAGS="$CFLAGS"
400 CFLAGS="-Wno-long-long"
401 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
402 ac_cv_prog_cc_no_long_long=no)
403 CFLAGS="$save_CFLAGS"])
405 if test x$have_gnat != xno ; then
406 AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
407 ac_cv_prog_adac_no_long_long,
408 [cat >conftest.adb <<EOF
409 procedure conftest is begin null; end conftest;
411 if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
412 ac_cv_prog_adac_no_long_long=yes
414 ac_cv_prog_adac_no_long_long=no
418 ac_cv_prog_adac_no_long_long=yes
422 if test $ac_cv_prog_cc_no_long_long = yes && \
423 test $ac_cv_prog_adac_no_long_long = yes ; then
424 strict1_warn="-pedantic -Wno-long-long"
426 AC_SUBST(strict1_warn)
436 # sizeof(char) is 1 by definition.
437 gcc_AC_COMPILE_CHECK_SIZEOF(short)
438 gcc_AC_COMPILE_CHECK_SIZEOF(int)
439 gcc_AC_COMPILE_CHECK_SIZEOF(long)
440 if test $ac_cv_c_long_long = yes; then
441 gcc_AC_COMPILE_CHECK_SIZEOF(long long)
443 if test $ac_cv_c___int64 = yes; then
444 gcc_AC_COMPILE_CHECK_SIZEOF(__int64)
449 # If the native compiler is GCC, we can enable warnings even in stage1.
450 # That's useful for people building cross-compilers, or just running a
453 if test "x$GCC" = "xyes"; then
454 warn_cflags='$(GCC_WARN_CFLAGS)'
456 AC_SUBST(warn_cflags)
458 # Stage specific cflags for build.
464 stage1_cflags="-Wa,-J"
470 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
471 # sources; use -no-cpp-precomp to get to GNU cpp.
472 # Apple's GCC has bugs in designated initializer handling, so disable
474 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
477 AC_SUBST(stage1_cflags)
481 AC_MSG_CHECKING([whether a default assembler was specified])
482 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
483 if test x"$gas_flag" = x"no"; then
484 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
486 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
492 AC_MSG_CHECKING([whether a default linker was specified])
493 if test x"${DEFAULT_LINKER+set}" = x"set"; then
494 if test x"$gnu_ld_flag" = x"no"; then
495 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
497 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
503 AC_MSG_CHECKING(for GNU C library)
504 AC_CACHE_VAL(gcc_cv_glibc,
506 [#include <features.h>],[
507 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
508 #error Not a GNU C library system
512 AC_MSG_RESULT($gcc_cv_glibc)
513 if test $gcc_cv_glibc = yes; then
514 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
517 # Find some useful tools
526 gcc_AC_HEADER_STDBOOL
529 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
530 fcntl.h unistd.h sys/file.h sys/time.h \
531 sys/resource.h sys/param.h sys/times.h sys/stat.h \
532 direct.h malloc.h langinfo.h)
534 # Check for thread headers.
535 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
536 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
538 # These tests can't be done till we know if we have limits.h.
540 gcc_AC_C_COMPILE_ENDIAN
541 gcc_AC_C_FLOAT_FORMAT
543 # See if we have the mktemp command.
544 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
546 # Do we have a single-tree copy of texinfo?
547 if test -f $srcdir/../texinfo/Makefile.in; then
548 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
549 gcc_cv_prog_makeinfo_modern=yes
550 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
552 # See if makeinfo has been installed and is modern enough
553 # that we can use it.
554 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
555 [GNU texinfo.* \([0-9][0-9.]*\)],
559 if test $gcc_cv_prog_makeinfo_modern = no; then
561 *** Makeinfo is missing or too old.
562 *** Info documentation will not be built.])
565 BUILD_INFO=info AC_SUBST(BUILD_INFO)
568 # Is pod2man recent enough to regenerate manpages?
569 AC_MSG_CHECKING([for recent Pod::Man])
570 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
572 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
579 dnl Don't use AC_PROG_LEX; we insist on flex.
580 dnl LEXLIB is not useful in gcc.
581 if test -f $srcdir/../flex/skel.c; then
582 FLEX='$(objdir)/../flex/flex'
584 AC_CHECK_PROG(FLEX, flex, flex, false)
588 # The -L switch is so bison can find its skeleton file.
589 if test -f $srcdir/../bison/bison.simple; then
590 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
592 AC_CHECK_PROG(BISON, bison, bison, false)
595 # These libraries may be used by collect2.
596 # We may need a special search path to get them linked.
597 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
599 for libs in '' -lld -lmld \
600 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
601 '-L/usr/lib/cmplrs/cc3.11 -lmld'
604 AC_TRY_LINK_FUNC(ldopen,
605 [gcc_cv_collect2_libs="$libs"; break])
608 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
609 case $gcc_cv_collect2_libs in
611 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
613 AC_SUBST(COLLECT2_LIBS)
615 # When building Ada code on Alpha, we need exc_resume which is usually in
616 # -lexc. So test for it.
619 AC_SEARCH_LIBS(exc_resume, exc)
622 AC_SUBST(GNAT_LIBEXC)
624 # See if the stage1 system preprocessor understands the ANSI C
625 # preprocessor stringification operator. (Used by symcat.h.)
628 # Use <inttypes.h> only if it exists,
629 # doesn't clash with <sys/types.h>, and declares intmax_t.
630 AC_MSG_CHECKING(for inttypes.h)
631 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
633 [#include <sys/types.h>
634 #include <inttypes.h>],
636 [gcc_cv_header_inttypes_h=yes],
637 gcc_cv_header_inttypes_h=no)])
638 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
639 if test $gcc_cv_header_inttypes_h = yes; then
640 AC_DEFINE(HAVE_INTTYPES_H, 1,
641 [Define if you have a working <inttypes.h> header file.])
644 dnl Disabled until we have a complete test for buggy enum bitfields.
645 dnl gcc_AC_C_ENUM_BF_UNSIGNED
647 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
648 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
649 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
652 AC_CHECK_TYPE(ssize_t, int)
654 # Try to determine the array type of the second argument of getgroups
655 # for the target system (int or gid_t).
657 if test "${target}" = "${build}"; then
658 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
661 # This condition may need some tweaking. It should include all
662 # targets where the array type of the second argument of getgroups
663 # is int and the type of gid_t is not equivalent to int.
664 *-*-sunos* | *-*-ultrix*)
665 TARGET_GETGROUPS_T=int
668 TARGET_GETGROUPS_T=gid_t
672 AC_SUBST(TARGET_GETGROUPS_T)
674 gcc_AC_FUNC_PRINTF_PTR
679 *** UWIN may not be used as a host platform because
680 *** linking with posix.dll is not allowed by the GNU GPL])
683 # Under VMS, vfork works very different than on Unix. The standard test
684 # won't work, and it isn't easily adaptable. It makes more sense to
686 ac_cv_func_vfork_works=yes
690 AC_FUNC_MMAP_ANYWHERE
695 # We will need to find libiberty.h and ansidecl.h
696 saved_CFLAGS="$CFLAGS"
697 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
698 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
699 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
700 fprintf_unlocked strstr errno vasprintf \
701 malloc realloc calloc free basename getopt clock, , ,[
702 #include "ansidecl.h"
703 #include "system.h"])
705 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
706 #include "ansidecl.h"
708 #ifdef HAVE_SYS_RESOURCE_H
709 #include <sys/resource.h>
713 gcc_AC_CHECK_DECLS(times, , ,[
714 #include "ansidecl.h"
716 #ifdef HAVE_SYS_TIMES_H
717 #include <sys/times.h>
721 # More time-related stuff.
722 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
724 #include "ansidecl.h"
726 #ifdef HAVE_SYS_TIMES_H
727 #include <sys/times.h>
729 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
730 if test $ac_cv_struct_tms = yes; then
731 AC_DEFINE(HAVE_STRUCT_TMS, 1,
732 [Define if <sys/times.h> defines struct tms.])
735 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
736 # revisit after autoconf 2.50.
737 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
739 #include "ansidecl.h"
741 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
742 if test $gcc_cv_type_clock_t = yes; then
743 AC_DEFINE(HAVE_CLOCK_T, 1,
744 [Define if <time.h> defines clock_t.])
747 AC_ARG_ENABLE(initfini-array,
748 [ --enable-initfini-array use .init_array/.fini_array sections],
749 gcc_cv_initfinit_array=$enableval, [gcc_AC_INITFINI_ARRAY])
751 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
752 CFLAGS="$saved_CFLAGS"
754 # mkdir takes a single argument on some systems.
755 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
766 build_install_headers_dir=install-headers-tar
771 host_truncate_target=
774 # Decode the host machine, then the target machine.
775 # For the host machine, we save the xm_file variable as host_xm_file;
776 # then we decode the target machine and forget everything else
777 # that came from the host machine.
778 for machine in $build $host $target; do
779 . ${srcdir}/config.gcc
782 extra_objs="${host_extra_objs} ${extra_objs}"
784 # Default the target-machine variables that were not explicitly set.
785 if test x"$tm_file" = x
786 then tm_file=$cpu_type/$cpu_type.h; fi
788 if test x"$extra_headers" = x
789 then extra_headers=; fi
791 if test x$md_file = x
792 then md_file=$cpu_type/$cpu_type.md; fi
794 if test x$out_file = x
795 then out_file=$cpu_type/$cpu_type.c; fi
797 if test x"$tmake_file" = x
798 then tmake_file=$cpu_type/t-$cpu_type
801 if test x"$dwarf2" = xyes
802 then tm_file="$tm_file tm-dwarf2.h"
805 # Say what files are being used for the output code and MD file.
806 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
807 echo "Using \`$srcdir/config/$md_file' as machine description file."
809 # If any of the xm_file variables contain nonexistent files, warn
810 # about them and drop them.
813 for x in $build_xm_file; do
814 if test -f $srcdir/config/$x
816 else AC_MSG_WARN($srcdir/config/$x does not exist.)
822 for x in $host_xm_file; do
823 if test -f $srcdir/config/$x
825 else AC_MSG_WARN($srcdir/config/$x does not exist.)
831 for x in $xm_file; do
832 if test -f $srcdir/config/$x
834 else AC_MSG_WARN($srcdir/config/$x does not exist.)
840 for f in $tm_file; do
843 if test $count = ax; then
844 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
846 echo "Using the following target machine macro files:"
847 for f in $tm_file; do
848 echo " $srcdir/config/$f"
853 for f in $host_xm_file; do
856 if test $count = a; then
858 elif test $count = ax; then
859 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
861 echo "Using the following host machine macro files:"
862 for f in $host_xm_file; do
863 echo " $srcdir/config/$f"
867 if test "$host_xm_file" != "$build_xm_file"; then
869 for f in $build_xm_file; do
872 if test $count = a; then
874 elif test $count = ax; then
875 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
877 echo "Using the following build machine macro files:"
878 for f in $build_xm_file; do
879 echo " $srcdir/config/$f"
884 if test x$thread_file = x; then
885 if test x$target_thread_file != x; then
886 thread_file=$target_thread_file
892 # Look for a file containing extra machine modes.
893 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
894 extra_modes_file='$(srcdir)'/config/${extra_modes}
895 AC_SUBST(extra_modes_file)
896 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
897 [Define to the name of a file containing a list of extra machine modes
898 for this architecture.])
899 AC_DEFINE(EXTRA_CC_MODES, 1,
900 [Define if the target architecture needs extra machine modes to represent
901 the results of comparisons.])
904 # auto-host.h is the file containing items generated by autoconf and is
905 # the first file included by config.h.
906 # If host=build, it is correct to have hconfig include auto-host.h
907 # as well. If host!=build, we are in error and need to do more
908 # work to find out the build config parameters.
909 if test x$host = x$build
911 build_auto=auto-host.h
914 # We create a subdir, then run autoconf in the subdir.
915 # To prevent recursion we set host and build for the new
916 # invocation of configure to the build for this invocation
923 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
924 *) realsrcdir=../${srcdir};;
926 saved_CFLAGS="${CFLAGS}"
927 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
928 ${realsrcdir}/configure \
929 --target=$target_alias --host=$build_alias --build=$build_alias
930 CFLAGS="${saved_CFLAGS}"
932 # We just finished tests for the build machine, so rename
933 # the file auto-build.h in the gcc directory.
934 mv auto-host.h ../auto-build.h
937 build_auto=auto-build.h
938 FORBUILD=../$build_alias
942 tm_file="${tm_file} defaults.h"
943 host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}"
944 build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}"
945 xm_file="ansidecl.h ${xm_file} ${tm_file}"
947 # Truncate the target if necessary
948 if test x$host_truncate_target != x; then
949 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
952 # Get the version trigger filename from the toplevel
953 if test "${with_gcc_version_trigger+set}" = set; then
954 gcc_version_trigger=$with_gcc_version_trigger
956 gcc_version_trigger=${srcdir}/version.c
959 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
960 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
962 # Compile in configure arguments.
963 if test -f configargs.h ; then
964 # Being re-configured.
965 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
966 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
968 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
970 cat > configargs.h <<EOF
971 /* Generated automatically. */
972 static const char configuration_arguments[] = "$gcc_config_arguments";
973 static const char thread_model[] = "$thread_file";
977 # Internationalization
979 VERSION="$gcc_version"
983 # Enable NLS support by default
985 [ --enable-nls use Native Language Support (default)],
988 # if cross compiling, disable NLS support.
989 # It's not worth the trouble, at least for now.
991 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
992 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
998 # Windows32 Registry support for specifying GCC installation paths.
999 AC_ARG_ENABLE(win32-registry,
1000 [ --disable-win32-registry
1001 disable lookup of installation paths in the
1002 Registry on Windows hosts
1003 --enable-win32-registry enable registry lookup (default)
1004 --enable-win32-registry=KEY
1005 use KEY instead of GCC version as the last portion
1006 of the registry key],,)
1008 win32 | pe | cygwin* | mingw32* | uwin*)
1009 AC_MSG_CHECKING(whether windows registry support is requested)
1010 if test "x$enable_win32_registry" != xno; then
1011 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1012 [Define to 1 if installation paths should be looked up in Windows32
1013 Registry. Ignored on non windows32 hosts.])
1015 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1020 # Check if user specified a different registry key.
1021 case "x${enable_win32_registry}" in
1024 gcc_cv_win32_registry_key="$VERSION"
1027 # no registry lookup.
1028 gcc_cv_win32_registry_key=''
1031 # user-specified key.
1032 gcc_cv_win32_registry_key="$enable_win32_registry"
1036 if test "x$enable_win32_registry" != xno; then
1037 AC_MSG_CHECKING(registry key on windows hosts)
1038 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1039 [Define to be the last portion of registry key on windows hosts.])
1040 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1045 # Get an absolute path to the GCC top-level source directory
1046 holddir=`${PWDCMD-pwd}`
1048 topdir=`${PWDCMD-pwd}`
1051 # Conditionalize the makefile for this host machine.
1052 # Make-host contains the concatenation of all host makefile fragments
1053 # [there can be more than one]. This file is built by configure.frag.
1054 host_overrides=Make-host
1055 dep_host_xmake_file=
1056 for f in .. ${host_xmake_file}
1058 if test -f ${srcdir}/config/$f
1060 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1064 # Conditionalize the makefile for this target machine.
1065 # Make-target contains the concatenation of all host makefile fragments
1066 # [there can be more than one]. This file is built by configure.frag.
1067 target_overrides=Make-target
1069 for f in .. ${tmake_file}
1071 if test -f ${srcdir}/config/$f
1073 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1077 # If the host doesn't support symlinks, modify CC in
1078 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1079 # Otherwise, we can use "CC=$(CC)".
1081 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1083 cc_set_by_configure="\$(CC)"
1084 quoted_cc_set_by_configure="\$(CC)"
1085 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1086 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1089 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1091 symbolic_link="cp -p"
1095 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1096 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1097 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1098 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1102 out_object_file=`basename $out_file .c`.o
1105 for f in $tm_file; do
1108 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1110 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1111 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1116 for f in $tm_p_file; do
1117 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1121 for f in $host_xm_file; do
1124 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1126 host_xm_file_list="${host_xm_file_list} $f" ;;
1128 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1129 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1134 for f in $build_xm_file; do
1137 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1138 auto-build.h | auto-host.h )
1139 build_xm_file_list="${build_xm_file_list} $f" ;;
1141 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1142 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1146 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1147 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1148 CROSS= AC_SUBST(CROSS)
1149 ALL=all.internal AC_SUBST(ALL)
1150 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1151 if test x$host != x$target
1153 CROSS="-DCROSS_COMPILE"
1155 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1156 case "$host","$target" in
1157 i?86-*-*,x86_64-*-* \
1158 | powerpc*-*-*,powerpc64*-*-*)
1159 CROSS="$CROSS -DNATIVE_CROSS" ;;
1163 # If this is a cross-compiler that does not
1164 # have its own set of headers then define
1167 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1168 # This prevents libgcc2 from containing any code which requires libc
1171 if [test x$host != x$target] && [test x$with_headers = x]; then
1172 inhibit_libc=-Dinhibit_libc
1174 if [test x$with_newlib = xyes]; then
1175 inhibit_libc=-Dinhibit_libc
1178 AC_SUBST(inhibit_libc)
1180 # When building gcc with a cross-compiler, we need to adjust things so
1181 # that the generator programs are still built with the native compiler.
1182 # Also, we cannot run fixincludes or fix-header.
1183 # Note that the terminology here is wrong; it should be BUILD_* throughout.
1186 # These are the normal (build=host) settings:
1187 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1188 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1189 HOST_CC='$(CC)' AC_SUBST(HOST_CC)
1190 HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
1192 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1193 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1195 # And these apply if build != host.
1196 if test x$build != x$host
1199 BUILD_PREFIX_1=build-
1200 HOST_CC='$(CC_FOR_BUILD)'
1201 HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1207 # Expand extra_headers to include complete path.
1208 # This substitutes for lots of t-* files.
1210 if test "x$extra_headers" = x
1213 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1214 for file in $extra_headers;
1216 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1220 if test x$use_collect2 = xno; then
1224 # Add a definition of USE_COLLECT2 if system wants one.
1225 if test x$use_collect2 != x
1227 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1228 xm_defines="${xm_defines} USE_COLLECT2"
1231 # If we have gas in the build tree, make a link to it.
1232 if test -f ../gas/Makefile; then
1233 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1236 # If we have nm and objdump in the build tree, make a link to them.
1237 if test -f ../binutils/Makefile; then
1238 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1239 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1242 # If we have ld in the build tree, make a link to it.
1243 if test -f ../ld/Makefile; then
1244 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1247 # Figure out what assembler we will be using.
1248 AC_MSG_CHECKING(what assembler to use)
1250 gcc_cv_gas_major_version=
1251 gcc_cv_gas_minor_version=
1252 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1253 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1254 if test -x "$DEFAULT_ASSEMBLER"; then
1255 gcc_cv_as="$DEFAULT_ASSEMBLER"
1256 elif test -x "$AS"; then
1258 elif test -x as$host_exeext; then
1259 # Build using assembler in the current directory.
1260 gcc_cv_as=./as$host_exeext
1261 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1262 # Single tree build which includes gas.
1263 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
1266 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1268 if test x$gcc_cv_gas_version != x; then
1273 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1274 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1275 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1279 if test "x$gcc_cv_as" = x; then
1280 # Search the same directories that the installed compiler will
1281 # search. Else we may find the wrong assembler and lose. If we
1282 # do not find a suitable assembler binary, then try the user's
1285 # Also note we have to check MD_EXEC_PREFIX before checking the
1286 # user's path. Unfortunately, there is no good way to get at the
1287 # value of MD_EXEC_PREFIX here. So we do a brute force search
1288 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1289 # to be fixed as part of the make/configure rewrite too.
1291 if test "x$exec_prefix" = xNONE; then
1292 if test "x$prefix" = xNONE; then
1293 test_prefix=/usr/local
1298 test_prefix=$exec_prefix
1301 # If the loop below does not find an assembler, then use whatever
1302 # one we can find in the users's path.
1304 if test "x$program_prefix" != xNONE; then
1305 gcc_cv_as=${program_prefix}as$host_exeext
1307 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1310 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1311 $test_prefix/lib/gcc-lib/$target_alias \
1312 /usr/lib/gcc/$target_alias/$gcc_version \
1313 /usr/lib/gcc/$target_alias \
1314 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1315 $test_prefix/$target_alias/bin"
1317 if test x$host = x$target; then
1318 test_dirs="$test_dirs \
1323 /bsd43/usr/lib/cmplrs/cc \
1324 /usr/cross64/usr/bin \
1325 /usr/lib/cmplrs/cc \
1326 /sysv/usr/lib/cmplrs/cc \
1327 /svr4/usr/lib/cmplrs/cc \
1331 for dir in $test_dirs; do
1332 if test -x $dir/as$host_exeext; then
1333 gcc_cv_as=$dir/as$host_exeext
1338 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1339 AC_MSG_RESULT("newly built gas")
1341 AC_MSG_RESULT($gcc_cv_as)
1344 # Figure out what linker we will be using.
1345 AC_MSG_CHECKING(what linker to use)
1347 gcc_cv_gld_major_version=
1348 gcc_cv_gld_minor_version=
1349 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1350 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1351 if test -x "$DEFAULT_LINKER"; then
1352 gcc_cv_ld="$DEFAULT_LINKER"
1353 elif test -x "$LD"; then
1355 elif test -x ld$host_exeext; then
1356 # Build using linker in the current directory.
1357 gcc_cv_ld=./ld$host_exeext
1358 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1359 # Single tree build which includes ld.
1360 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
1363 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1365 if test x$gcc_cv_gld_version != x; then
1370 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1371 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1375 if test "x$gcc_cv_ld" = x; then
1376 # Search the same directories that the installed compiler will
1377 # search. Else we may find the wrong linker and lose. If we
1378 # do not find a suitable linker binary, then try the user's
1381 # Also note we have to check MD_EXEC_PREFIX before checking the
1382 # user's path. Unfortunately, there is no good way to get at the
1383 # value of MD_EXEC_PREFIX here. So we do a brute force search
1384 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1385 # to be fixed as part of the make/configure rewrite too.
1387 if test "x$exec_prefix" = xNONE; then
1388 if test "x$prefix" = xNONE; then
1389 test_prefix=/usr/local
1394 test_prefix=$exec_prefix
1397 # If the loop below does not find an linker, then use whatever
1398 # one we can find in the users's path.
1400 if test "x$program_prefix" != xNONE; then
1401 gcc_cv_ld=${program_prefix}ld$host_exeext
1403 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1406 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1407 $test_prefix/lib/gcc-lib/$target_alias \
1408 /usr/lib/gcc/$target_alias/$gcc_version \
1409 /usr/lib/gcc/$target_alias \
1410 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1411 $test_prefix/$target_alias/bin"
1413 if test x$host = x$target; then
1414 test_dirs="$test_dirs \
1419 /bsd43/usr/lib/cmplrs/cc \
1420 /usr/cross64/usr/bin \
1421 /usr/lib/cmplrs/cc \
1422 /sysv/usr/lib/cmplrs/cc \
1423 /svr4/usr/lib/cmplrs/cc \
1427 for dir in $test_dirs; do
1428 if test -x $dir/ld$host_exeext; then
1429 gcc_cv_ld=$dir/ld$host_exeext
1434 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1435 AC_MSG_RESULT("newly built ld")
1437 AC_MSG_RESULT($gcc_cv_ld)
1440 # Figure out what nm we will be using.
1441 AC_MSG_CHECKING(what nm to use)
1442 if test -x nm$host_exeext; then
1443 gcc_cv_nm=./nm$host_exeext
1444 elif test "x$program_prefix" != xNONE; then
1445 gcc_cv_nm=${program_prefix}nm$host_exeext
1447 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1449 AC_MSG_RESULT($gcc_cv_nm)
1451 # Figure out what objdump we will be using.
1452 AC_MSG_CHECKING(what objdump to use)
1453 if test -x objdump$host_exeext; then
1454 gcc_cv_objdump=./objdump$host_exeext
1455 elif test "x$program_prefix" != xNONE; then
1456 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1458 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1460 AC_MSG_RESULT($gcc_cv_objdump)
1462 # Figure out what assembler alignment features are present.
1463 AC_MSG_CHECKING(assembler alignment features)
1464 gcc_cv_as_alignment_features=none
1465 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1466 # Gas version 2.6 and later support for .balign and .p2align.
1467 # bytes to skip when using .p2align.
1468 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1469 gcc_cv_as_alignment_features=".balign and .p2align"
1470 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1472 # Gas version 2.8 and later support specifying the maximum
1473 # bytes to skip when using .p2align.
1474 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1475 gcc_cv_as_alignment_features=".p2align including maximum skip"
1476 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1478 elif test x$gcc_cv_as != x; then
1479 # Check if we have .balign and .p2align
1480 echo ".balign 4" > conftest.s
1481 echo ".p2align 2" >> conftest.s
1482 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1483 gcc_cv_as_alignment_features=".balign and .p2align"
1484 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1486 rm -f conftest.s conftest.o
1487 # Check if specifying the maximum bytes to skip when
1488 # using .p2align is supported.
1489 echo ".p2align 4,,7" > conftest.s
1490 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1491 gcc_cv_as_alignment_features=".p2align including maximum skip"
1492 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1494 rm -f conftest.s conftest.o
1496 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1498 AC_MSG_CHECKING(assembler subsection support)
1499 gcc_cv_as_subsections=no
1500 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1501 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1502 gcc_cv_as_subsections="working .subsection -1"
1504 elif test x$gcc_cv_as != x; then
1505 # Check if we have .subsection
1506 echo ".subsection 1" > conftest.s
1507 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1508 gcc_cv_as_subsections=".subsection"
1509 if test x$gcc_cv_nm != x; then
1510 cat > conftest.s <<EOF
1511 conftest_label1: .word 0
1513 conftest_label2: .word 0
1516 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1517 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1518 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1519 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1522 gcc_cv_as_subsections="working .subsection -1"
1527 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1529 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1530 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1531 [Define if your assembler supports .subsection and .subsection -1 starts
1532 emitting at the beginning of your section.])
1534 AC_MSG_RESULT($gcc_cv_as_subsections)
1536 AC_MSG_CHECKING(assembler weak support)
1538 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1539 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1540 gcc_cv_as_weak="yes"
1542 elif test x$gcc_cv_as != x; then
1543 # Check if we have .weak
1544 echo " .weak foobar" > conftest.s
1545 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1546 gcc_cv_as_weak="yes"
1548 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1550 if test x"$gcc_cv_as_weak" = xyes; then
1551 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1553 AC_MSG_RESULT($gcc_cv_as_weak)
1555 AC_MSG_CHECKING(assembler hidden support)
1557 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1558 if test "$gcc_cv_gas_major_version" -eq 2 \
1559 -a "$gcc_cv_gas_minor_version" -eq 12 \
1560 -a "$gcc_cv_gas_patch_version" -ge 1 \
1561 -o "$gcc_cv_gas_major_version" -eq 2 \
1562 -a "$gcc_cv_gas_minor_version" -gt 12 \
1563 -o "$gcc_cv_gas_major_version" -gt 2 \
1564 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1565 gcc_cv_as_hidden="yes"
1567 elif test x$gcc_cv_as != x; then
1568 # Check if we have .hidden
1569 echo " .hidden foobar" > conftest.s
1570 echo "foobar:" >> conftest.s
1571 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1572 gcc_cv_as_hidden="yes"
1574 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1576 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1577 # This is irritatingly difficult to feature test for. Look for
1578 # the date string after the version number.
1579 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1580 if echo "$ld_ver" | grep GNU > /dev/null; then
1582 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1583 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1584 if test 0"$ld_date" -lt 20020404; then
1585 if test -n "$ld_date"; then
1586 # If there was date string, but was earlier than 2002-04-04, fail
1587 gcc_cv_as_hidden="no"
1588 elif test -z "$ld_vers"; then
1589 # If there was no date string nor ld version number, something is wrong
1590 gcc_cv_as_hidden="no"
1592 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1593 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1594 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1595 test -z "$ld_vers_patch" && ld_vers_patch=0
1596 if test "$ld_vers_major" -lt 2; then
1597 gcc_cv_as_hidden="no"
1598 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1599 gcc_cv_as_hidden="no"
1600 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1601 -a "$ld_vers_patch" -eq 0; then
1602 gcc_cv_as_hidden="no"
1609 if test x"$gcc_cv_as_hidden" = xyes; then
1610 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1611 [Define if your assembler supports .hidden.])
1613 AC_MSG_RESULT($gcc_cv_as_hidden)
1614 libgcc_visibility=$gcc_cv_as_hidden
1617 if test x"$gnu_ld_flag" = x"no"; then
1618 # Even if using gas with .hidden support, the resulting object files
1619 # cannot be linked with the IRIX 6 O32 linker.
1620 libgcc_visibility=no
1624 AC_SUBST(libgcc_visibility)
1626 AC_MSG_CHECKING(assembler leb128 support)
1628 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1629 if test "$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
1630 gcc_cv_as_leb128="yes"
1632 elif test x$gcc_cv_as != x; then
1633 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1634 cat > conftest.s <<EOF
1642 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1643 gcc_cv_as_leb128="yes"
1645 # GAS versions before 2.11 do not support uleb128,
1646 # despite appearing to.
1647 # ??? There exists an elf-specific test that will crash
1648 # the assembler. Perhaps it's better to figure out whether
1649 # arbitrary sections are supported and try the test.
1650 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1651 if echo "$as_ver" | grep GNU > /dev/null; then
1653 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1654 as_major=`echo $as_ver | sed 's/\..*//'`
1655 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1657 if test $as_major -eq 2 -a $as_minor -lt 11; then
1658 gcc_cv_as_leb128="no"
1662 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1664 if test x"$gcc_cv_as_leb128" = xyes; then
1665 AC_DEFINE(HAVE_AS_LEB128, 1,
1666 [Define if your assembler supports .uleb128.])
1668 AC_MSG_RESULT($gcc_cv_as_leb128)
1670 AC_MSG_CHECKING(assembler eh_frame optimization)
1671 gcc_cv_as_eh_frame=no
1672 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1673 if test "$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
1674 gcc_cv_as_eh_frame="yes"
1676 elif test x$gcc_cv_as != x; then
1677 # Check if this is GAS.
1678 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1679 rm -f a.out 2> /dev/null
1680 if echo "$as_ver" | grep GNU > /dev/null; then
1681 # Versions up to and including 2.11.0 may mis-optimize
1682 # .eh_frame data. Try something.
1683 cat > conftest.s <<EOF
1690 .section .eh_frame,"aw",@progbits
1692 .4byte .LECIE1-.LSCIE1
1706 .4byte .LEFDE1-.LASFDE1
1708 .4byte .LASFDE1-__FRAME_BEGIN__
1717 cat > conftest.lit <<EOF
1718 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1719 0010 01000000 12000000 18000000 00000000 ................
1720 0020 08000000 04080000 0044 .........D
1722 cat > conftest.big <<EOF
1723 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1724 0010 00000001 00000012 00000018 00000000 ................
1725 0020 00000008 04000000 0844 .........D
1727 # If the assembler didn't choke, and we can objdump,
1728 # and we got the correct data, then succeed.
1729 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1730 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1731 | tail -3 > conftest.got \
1732 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1733 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1735 gcc_cv_as_eh_frame="yes"
1737 gcc_cv_as_eh_frame="bad"
1738 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1739 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1740 [Define if your assembler mis-optimizes .eh_frame data.])
1746 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1748 AC_MSG_CHECKING(assembler section merging support)
1749 gcc_cv_as_shf_merge=no
1750 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1751 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1752 gcc_cv_as_shf_merge=yes
1754 elif test x$gcc_cv_as != x; then
1755 # Check if we support SHF_MERGE sections
1756 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1757 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1758 gcc_cv_as_shf_merge=yes
1760 rm -f conftest.s conftest.o
1762 if test x"$gcc_cv_as_shf_merge" = xyes; then
1763 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1764 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1766 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1768 AC_MSG_CHECKING(assembler thread-local storage support)
1777 .section ".tdata","awT",@progbits
1780 ldq $27,__tls_get_addr($29) !literal!1
1781 lda $16,foo($29) !tlsgd!1
1782 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1783 ldq $27,__tls_get_addr($29) !literal!2
1784 lda $16,foo($29) !tlsldm!2
1785 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1786 ldq $1,foo($29) !gotdtprel
1787 ldah $2,foo($29) !dtprelhi
1788 lda $3,foo($2) !dtprello
1789 lda $4,foo($29) !dtprel
1790 ldq $1,foo($29) !gottprel
1791 ldah $2,foo($29) !tprelhi
1792 lda $3,foo($2) !tprello
1793 lda $4,foo($29) !tprel'
1800 .section ".tdata","awT",@progbits
1804 leal foo@TLSGD(,%ebx,1), %eax
1805 leal foo@TLSLDM(%ebx), %eax
1806 leal foo@DTPOFF(%eax), %edx
1807 movl foo@GOTTPOFF(%ebx), %eax
1808 subl foo@GOTTPOFF(%ebx), %eax
1809 addl foo@GOTNTPOFF(%ebx), %eax
1810 movl foo@INDNTPOFF, %eax
1811 movl $foo@TPOFF, %eax
1812 subl $foo@TPOFF, %eax
1813 leal foo@NTPOFF(%ecx), %eax'
1819 .section ".tdata","awT",@progbits
1823 leaq foo@TLSGD(%rip), %rdi
1824 leaq foo@TLSLD(%rip), %rdi
1825 leaq foo@DTPOFF(%rax), %rdx
1826 movq foo@GOTTPOFF(%rip), %rax
1827 movq $foo@TPOFF, %rax'
1833 .section ".tdata","awT",@progbits
1836 addl r16 = @ltoff(@dtpmod(foo#)), gp
1837 addl r17 = @ltoff(@dtprel(foo#)), gp
1838 addl r18 = @ltoff(@tprel(foo#)), gp
1839 addl r19 = @dtprel(foo#), gp
1840 adds r21 = @dtprel(foo#), r13
1841 movl r23 = @dtprel(foo#)
1842 addl r20 = @tprel(foo#), gp
1843 adds r22 = @tprel(foo#), r13
1844 movl r24 = @tprel(foo#)'
1849 if test -z "$tls_first_major"; then
1851 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1853 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1854 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1855 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1858 elif test x$gcc_cv_as != x; then
1859 echo "$conftest_s" > conftest.s
1860 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1864 rm -f conftest.s conftest.o
1866 if test "$gcc_cv_as_tls" = yes; then
1867 AC_DEFINE(HAVE_AS_TLS, 1,
1868 [Define if your assembler supports thread-local storage.])
1870 AC_MSG_RESULT($gcc_cv_as_tls)
1873 # All TARGET_ABI_OSF targets.
1874 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1875 AC_CACHE_CHECK([assembler supports explicit relocations],
1876 gcc_cv_as_explicit_relocs, [
1877 gcc_cv_as_explicit_relocs=unknown
1878 if test x$gcc_cv_gas_major_version != x \
1879 -a x$gcc_cv_gas_minor_version != x
1881 if test "$gcc_cv_gas_major_version" -eq 2 \
1882 -a "$gcc_cv_gas_minor_version" -ge 12 \
1883 -o "$gcc_cv_gas_major_version" -gt 2; then
1884 gcc_cv_as_explicit_relocs=yes
1886 elif test x$gcc_cv_as != x; then
1887 cat > conftest.s << 'EOF'
1890 extbl $3, $2, $3 !lituse_bytoff!1
1891 ldq $2, a($29) !literal!1
1892 ldq $4, b($29) !literal!2
1893 ldq_u $3, 0($2) !lituse_base!1
1894 ldq $27, f($29) !literal!5
1895 jsr $26, ($27), f !lituse_jsr!5
1896 ldah $29, 0($26) !gpdisp!3
1897 lda $0, c($29) !gprel
1898 ldah $1, d($29) !gprelhigh
1899 lda $1, d($1) !gprellow
1900 lda $29, 0($29) !gpdisp!3
1902 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1903 gcc_cv_as_explicit_relocs=yes
1905 gcc_cv_as_explicit_relocs=no
1907 rm -f conftest.s conftest.o
1910 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1911 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1912 [Define if your assembler supports explicit relocations.])
1916 AC_CACHE_CHECK([assembler .register pseudo-op support],
1917 gcc_cv_as_register_pseudo_op, [
1918 gcc_cv_as_register_pseudo_op=unknown
1919 if test x$gcc_cv_as != x; then
1920 # Check if we have .register
1921 echo ".register %g2, #scratch" > conftest.s
1922 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1923 gcc_cv_as_register_pseudo_op=yes
1925 gcc_cv_as_register_pseudo_op=no
1927 rm -f conftest.s conftest.o
1930 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1931 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1932 [Define if your assembler supports .register.])
1935 AC_CACHE_CHECK([assembler supports -relax],
1936 gcc_cv_as_relax_opt, [
1937 gcc_cv_as_relax_opt=unknown
1938 if test x$gcc_cv_as != x; then
1939 # Check if gas supports -relax
1940 echo ".text" > conftest.s
1941 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1942 gcc_cv_as_relax_opt=yes
1944 gcc_cv_as_relax_opt=no
1946 rm -f conftest.s conftest.o
1949 if test "x$gcc_cv_as_relax_opt" = xyes; then
1950 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1951 [Define if your assembler supports -relax option.])
1954 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
1955 gcc_cv_as_sparc_ua_pcrel, [
1956 gcc_cv_as_sparc_ua_pcrel=unknown
1957 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
1958 gcc_cv_as_sparc_ua_pcrel=no
1959 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
1960 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1961 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
1962 gcc_cv_as_sparc_ua_pcrel=yes
1964 rm -f conftest.s conftest.o conftest
1967 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1968 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
1969 [Define if your assembler and linker support unaligned PC relative relocs.])
1972 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
1973 gcc_cv_as_sparc_ua_pcrel_hidden, [
1974 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1975 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
1976 if test x$gcc_cv_objdump != x; then
1977 gcc_cv_as_sparc_ua_pcrel_hidden=no
1978 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
1979 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
1980 echo "foo: .skip 4" >> conftest.s
1981 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1982 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
1983 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
1984 | grep ' 31000000 07323334' > /dev/null 2>&1; then
1985 if $gcc_cv_objdump -R conftest 2> /dev/null \
1986 | grep 'DISP32' > /dev/null 2>&1; then
1989 gcc_cv_as_sparc_ua_pcrel_hidden=yes
1993 rm -f conftest.s conftest.o conftest
1995 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
1998 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
1999 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2000 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
2003 AC_CACHE_CHECK([for assembler offsetable %lo() support],
2004 gcc_cv_as_offsetable_lo10, [
2005 gcc_cv_as_offsetable_lo10=unknown
2006 if test "x$gcc_cv_as" != x; then
2007 # Check if assembler has offsetable %lo()
2008 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
2009 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
2010 if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
2012 $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
2013 > /dev/null 2>&1; then
2014 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2015 gcc_cv_as_offsetable_lo10=no
2017 gcc_cv_as_offsetable_lo10=yes
2020 gcc_cv_as_offsetable_lo10=no
2022 rm -f conftest.s conftest.o conftest1.s conftest1.o
2025 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2026 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2027 [Define if your assembler supports offsetable %lo().])
2033 i[34567]86-*-* | x86_64-*-*)
2035 AC_MSG_CHECKING(assembler instructions)
2036 gcc_cv_as_instructions=
2037 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2038 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2039 gcc_cv_as_instructions="filds fists"
2041 elif test x$gcc_cv_as != x; then
2042 set "filds fists" "filds mem; fists mem"
2045 echo "$2" > conftest.s
2046 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2047 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2051 rm -f conftest.s conftest.o
2053 if test x"$gcc_cv_as_instructions" != x; then
2054 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2056 AC_MSG_RESULT($gcc_cv_as_instructions)
2058 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2059 gcc_cv_as_gotoff_in_data=no
2060 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2062 if test "$gcc_cv_gas_major_version" -eq 2 \
2063 -a "$gcc_cv_gas_minor_version" -ge 11 \
2064 -o "$gcc_cv_gas_major_version" -gt 2; then
2065 gcc_cv_as_gotoff_in_data=yes
2067 elif test x$gcc_cv_as != x; then
2068 cat > conftest.s <<EOF
2075 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2076 gcc_cv_as_gotoff_in_data=yes
2079 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2080 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2081 [Define true if the assembler supports '.long foo@GOTOFF'.])
2082 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2086 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2087 gcc_cv_as_dwarf2_debug_line=no
2088 # ??? Not all targets support dwarf2 debug_line, even within a version
2089 # of gas. Moreover, we need to emit a valid instruction to trigger any
2090 # info to the output file. So, as supported targets are added to gas 2.11,
2091 # add some instruction here to (also) show we expect this might work.
2092 # ??? Once 2.11 is released, probably need to add first known working
2093 # version to the per-target configury.
2095 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-* | hppa*-*-*)
2102 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2104 if test "$gcc_cv_gas_major_version" -eq 2 \
2105 -a "$gcc_cv_gas_minor_version" -ge 11 \
2106 -o "$gcc_cv_gas_major_version" -gt 2 \
2107 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2108 && test x"$insn" != x ; then
2109 gcc_cv_as_dwarf2_debug_line="yes"
2111 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2112 echo ' .file 1 "conftest.s"' > conftest.s
2113 echo ' .loc 1 3 0' >> conftest.s
2114 echo " $insn" >> conftest.s
2115 # ??? This fails with non-gnu grep.
2116 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2117 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2118 # The .debug_line file table must be in the exact order that
2119 # we specified the files, since these indices are also used
2120 # by DW_AT_decl_file. Approximate this test by testing if
2121 # the assembler bitches if the same index is assigned twice.
2122 echo ' .file 1 "foo.s"' > conftest.s
2123 echo ' .file 1 "bar.s"' >> conftest.s
2124 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2126 gcc_cv_as_dwarf2_debug_line="no"
2128 gcc_cv_as_dwarf2_debug_line="yes"
2131 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2133 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2134 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2135 [Define if your assembler supports dwarf2 .file/.loc directives,
2136 and preserves file table indices exactly as given.])
2138 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2140 AC_MSG_CHECKING(assembler --gdwarf2 support)
2141 gcc_cv_as_gdwarf2_flag=no
2142 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2144 if test "$gcc_cv_gas_major_version" -eq 2 \
2145 -a "$gcc_cv_gas_minor_version" -ge 11 \
2146 -o "$gcc_cv_gas_major_version" -gt 2 \
2147 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2148 && test x"$insn" != x ; then
2149 gcc_cv_as_gdwarf2_flag="yes"
2151 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2152 echo '' > conftest.s
2153 # ??? This fails with non-gnu grep.
2154 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2156 gcc_cv_as_gdwarf2_flag="yes"
2158 rm -f conftest.s conftest.o
2160 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2161 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2162 [Define if your assembler supports the --gdwarf2 option.])
2164 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2166 AC_MSG_CHECKING(assembler --gstabs support)
2167 gcc_cv_as_gstabs_flag=no
2168 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2170 if test "$gcc_cv_gas_major_version" -eq 2 \
2171 -a "$gcc_cv_gas_minor_version" -ge 11 \
2172 -o "$gcc_cv_gas_major_version" -gt 2 \
2173 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2174 && test x"$insn" != x ; then
2175 gcc_cv_as_gstabs_flag="yes"
2177 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2178 echo '' > conftest.s
2179 # ??? This fails with non-gnu grep.
2180 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2181 gcc_cv_as_gstabs_flag="yes"
2183 rm -f conftest.s conftest.o
2185 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2186 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2187 [Define if your assembler supports the --gstabs option.])
2189 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2191 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2192 gcc_cv_ld_eh_frame_hdr=no
2193 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2194 if test "$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
2195 gcc_cv_ld_eh_frame_hdr=yes
2197 elif test x$gcc_cv_ld != x; then
2198 # Check if linker supports --eh-frame-hdr option
2199 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2200 gcc_cv_ld_eh_frame_hdr=yes
2203 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2204 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2205 [Define if your linker supports --eh-frame-hdr option.])
2207 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2209 # Miscellaneous target-specific checks.
2212 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2213 gcc_cv_mips_libgloss_startup=no
2214 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2215 if test "x$exec_prefix" = xNONE; then
2216 if test "x$prefix" = xNONE; then
2217 test_prefix=/usr/local
2222 test_prefix=$exec_prefix
2224 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2226 if grep '^STARTUP' $f > /dev/null 2>&1; then
2227 gcc_cv_mips_libgloss_startup=yes
2231 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2232 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2233 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2235 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2239 if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2240 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2243 # Figure out what language subdirectories are present.
2244 # Look if the user specified --enable-languages="..."; if not, use
2245 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2247 # NB: embedded tabs in this IF block -- do not untabify
2248 if test x"${enable_languages+set}" != xset; then
2249 if test x"${LANGUAGES+set}" = xset; then
2250 enable_languages="${LANGUAGES}"
2251 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2254 enable_languages=all
2257 if test x"${enable_languages}" = x \
2258 || test x"${enable_languages}" = xyes;
2260 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2263 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2265 # First scan to see if an enabled language requires some other language.
2266 # We assume that a given config-lang.in will list all the language
2267 # front ends it requires, even if some are required indirectly.
2268 for lang in ${srcdir}/*/config-lang.in ..
2273 # The odd quoting in the next line works around
2274 # an apparent bug in bash 1.12 on linux.
2276 ${srcdir}/[*]/config-lang.in)
2279 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2280 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2281 for other in $this_lang_requires
2283 case ,${enable_languages}, in
2289 enable_languages="$enable_languages,$other"
2298 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2301 for lang in ${srcdir}/*/config-lang.in ..
2305 # The odd quoting in the next line works around
2306 # an apparent bug in bash 1.12 on linux.
2308 ${srcdir}/[*]/config-lang.in) ;;
2310 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2311 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2312 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2313 if test "x$lang_alias" = x
2315 echo "$lang doesn't set \$language." 1>&2
2318 case ${build_by_default},${enable_languages}, in
2319 *,$lang_alias,*) add_this_lang=yes ;;
2320 no,*) add_this_lang=no ;;
2321 *,all,*) add_this_lang=yes ;;
2322 *) add_this_lang=no ;;
2324 found_languages="${found_languages} ${lang_alias}"
2325 if test x"${add_this_lang}" = xyes; then
2327 ${srcdir}/ada/config-lang.in)
2328 if test x$have_gnat = xyes ; then
2329 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2333 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2343 for expected_language in ${expected_languages} ..
2345 if test "${expected_language}" != ..; then
2346 missing_language="${expected_language}"
2347 if test "${expected_language}" = "c" \
2348 || test "${expected_language}" = "all"; then
2351 for found_language in ${found_languages} ..
2353 if test "${found_language}" != ..; then
2354 if test "${expected_language}" = "${found_language}"; then
2359 if test "x${missing_language}" != x; then
2360 missing_languages="${missing_languages} ${missing_language}"
2365 if test "x$missing_languages" != x; then
2367 The following requested languages were not found:${missing_languages}
2368 The following languages were available: c${found_languages}])
2371 # Make gthr-default.h if we have a thread file.
2373 if test $thread_file != single; then
2374 rm -f gthr-default.h
2375 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2376 gthread_flags=-DHAVE_GTHR_DEFAULT
2378 AC_SUBST(gthread_flags)
2380 # Find out what GC implementation we want, or may, use.
2382 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2389 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2394 echo "Using $GGC for garbage collection."
2396 # Use the system's zlib library.
2398 zlibinc="-I\$(srcdir)/../zlib"
2399 AC_ARG_WITH(system-zlib,
2400 [ --with-system-zlib use installed libz],
2407 dnl Very limited version of automake's enable-maintainer-mode
2409 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2410 dnl maintainer-mode is disabled by default
2411 AC_ARG_ENABLE(maintainer-mode,
2412 [ --enable-maintainer-mode
2413 enable make rules and dependencies not useful
2414 (and sometimes confusing) to the casual installer],
2415 maintainer_mode=$enableval,
2418 AC_MSG_RESULT($maintainer_mode)
2420 if test "$maintainer_mode" = "yes"; then
2427 # With Setjmp/Longjmp based exception handling.
2428 AC_ARG_ENABLE(sjlj-exceptions,
2429 [ --enable-sjlj-exceptions
2430 arrange to use setjmp/longjmp exception handling],
2431 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
2432 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
2433 [Define 0/1 to force the choice for exception handling model.])])
2435 # Use libunwind based exception handling.
2436 AC_ARG_ENABLE(libunwind-exceptions,
2437 [ --enable-libunwind-exceptions force use libunwind for exceptions],
2438 use_libunwind_exceptions=$enableval,
2439 use_libunwind_exceptions=no)
2440 if test x"$use_libunwind_exceptions" = xyes; then
2441 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
2442 [Define if gcc should use -lunwind.])
2445 # Make empty files to contain the specs and options for each language.
2446 # Then add #include lines to for a compiler that has specs and/or options.
2451 for subdir in . $subdirs
2453 if test -f $srcdir/$subdir/lang-specs.h; then
2454 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2456 if test -f $srcdir/$subdir/lang-options.h; then
2457 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2459 if test -f $srcdir/$subdir/$subdir-tree.def; then
2460 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2464 # These (without "all_") are set in each config-lang.in.
2465 # `language' must be a single word so is spelled singularly.
2470 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2471 # List of language makefile fragments.
2473 # Files for gengtype
2474 all_gtfiles="$target_gtfiles"
2475 # Files for gengtype with language
2476 all_gtfiles_files_langs=
2477 all_gtfiles_files_files=
2479 # Add the language fragments.
2480 # Languages are added via two mechanisms. Some information must be
2481 # recorded in makefile variables, these are defined in config-lang.in.
2482 # We accumulate them and plug them into the main Makefile.
2483 # The other mechanism is a set of hooks for each of the main targets
2484 # like `clean', `install', etc.
2486 language_fragments="Make-lang"
2487 language_hooks="Make-hooks"
2489 for s in .. $subdirs
2499 . ${srcdir}/$s/config-lang.in
2500 if test "x$language" = x
2502 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2505 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2506 if test -f ${srcdir}/$s/Makefile.in
2507 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2509 all_languages="$all_languages $language"
2510 if test "x$boot_language" = xyes
2512 all_boot_languages="$all_boot_languages $language"
2514 all_compilers="$all_compilers $compilers"
2515 all_stagestuff="$all_stagestuff $stagestuff"
2516 all_outputs="$all_outputs $outputs"
2517 all_gtfiles="$all_gtfiles $gtfiles"
2518 for f in .. $gtfiles
2522 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2523 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2529 # Pick up gtfiles for c
2532 . ${srcdir}/c-config-lang.in
2533 all_gtfiles="$all_gtfiles $gtfiles"
2534 for f in .. $gtfiles
2538 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2539 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2544 for language in .. $all_languages
2546 if test $language != ".."
2548 check_languages="$check_languages check-$language"
2552 # Since we can't use `::' targets, we link each language in
2553 # with a set of hooks, reached indirectly via lang.${target}.
2557 target_list="all.build all.cross start.encap rest.encap \
2558 info dvi generated-manpages \
2559 install-normal install-common install-info install-man \
2561 mostlyclean clean distclean extraclean maintainer-clean \
2562 stage1 stage2 stage3 stage4"
2563 for t in $target_list
2566 for lang in .. $all_languages
2568 if test $lang != ".."; then
2572 echo "lang.$t: $x" >> Make-hooks
2577 echo "dir ." > .gdbinit
2578 echo "dir ${srcdir}" >> .gdbinit
2579 if test x$gdb_needs_out_file_path = xyes
2581 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2583 if test "x$subdirs" != x; then
2586 echo "dir ${srcdir}/$s" >> .gdbinit
2589 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2591 # Define variables host_canonical and build_canonical
2592 # because some Cygnus local changes in the Makefile depend on them.
2593 build_canonical=${build}
2594 host_canonical=${host}
2596 if test "${host}" != "${target}" ; then
2597 target_subdir=${target_alias}/
2599 AC_SUBST(build_canonical)
2600 AC_SUBST(host_canonical)
2601 AC_SUBST(target_subdir)
2603 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2604 # absolute path for gcc_tooldir based on inserting the number of up-directory
2605 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2606 # $(libsubdir)/@(unlibsubdir) based path.
2607 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2608 # make and thus we'd get different behavior depending on where we built the
2610 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2611 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2613 changequote(<<, >>)dnl
2614 # An explanation of the sed strings:
2615 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2616 # -e 's|/$||' match a trailing forward slash and eliminates it
2617 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2618 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2620 # (*) Note this pattern overwrites the first character of the string
2621 # with a forward slash if one is not already present. This is not a
2622 # problem because the exact names of the sub-directories concerned is
2623 # unimportant, just the number of them matters.
2625 # The practical upshot of these patterns is like this:
2627 # prefix exec_prefix result
2628 # ------ ----------- ------
2630 # /foo/ /foo/bar ../
2631 # /foo /foo/bar/ ../
2632 # /foo/ /foo/bar/ ../
2633 # /foo /foo/bar/ugg ../../
2636 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2637 changequote([, ])dnl
2639 AC_SUBST(gcc_tooldir)
2642 # Find a directory in which to install a shared libgcc.
2644 AC_ARG_ENABLE(version-specific-runtime-libs,
2645 [ --enable-version-specific-runtime-libs
2646 specify that runtime libraries should be
2647 installed in a compiler-specific directory])
2649 AC_ARG_WITH(slibdir,
2650 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2651 slibdir="$with_slibdir",
2652 if test "${enable_version_specific_runtime_libs+set}" = set; then
2653 slibdir='$(libsubdir)'
2654 elif test "$host" != "$target"; then
2655 slibdir='$(build_tooldir)/lib'
2661 objdir=`${PWDCMD-pwd}`
2664 # Process the language and host/target makefile fragments.
2665 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2667 # Substitute configuration variables
2670 AC_SUBST(all_boot_languages)
2671 AC_SUBST(all_compilers)
2672 AC_SUBST(all_gtfiles)
2673 AC_SUBST(all_gtfiles_files_langs)
2674 AC_SUBST(all_gtfiles_files_files)
2675 AC_SUBST(all_lang_makefiles)
2676 AC_SUBST(all_languages)
2677 AC_SUBST(all_stagestuff)
2678 AC_SUBST(build_exeext)
2679 AC_SUBST(build_install_headers_dir)
2680 AC_SUBST(build_xm_file_list)
2681 AC_SUBST(build_xm_file)
2682 AC_SUBST(build_xm_defines)
2683 AC_SUBST(check_languages)
2684 AC_SUBST(cc_set_by_configure)
2685 AC_SUBST(quoted_cc_set_by_configure)
2686 AC_SUBST(cpp_install_dir)
2687 AC_SUBST(dep_host_xmake_file)
2688 AC_SUBST(dep_tmake_file)
2689 AC_SUBST(extra_headers_list)
2690 AC_SUBST(extra_objs)
2691 AC_SUBST(extra_parts)
2692 AC_SUBST(extra_passes)
2693 AC_SUBST(extra_programs)
2694 AC_SUBST(float_h_file)
2695 AC_SUBST(gcc_config_arguments)
2696 AC_SUBST(gcc_gxx_include_dir)
2697 AC_SUBST(libstdcxx_incdir)
2698 AC_SUBST(gcc_version)
2699 AC_SUBST(gcc_version_full)
2700 AC_SUBST(gcc_version_trigger)
2701 AC_SUBST(host_exeext)
2702 AC_SUBST(host_extra_gcc_objs)
2703 AC_SUBST(host_xm_file_list)
2704 AC_SUBST(host_xm_file)
2705 AC_SUBST(host_xm_defines)
2707 AC_SUBST(lang_options_files)
2708 AC_SUBST(lang_specs_files)
2709 AC_SUBST(lang_tree_files)
2710 AC_SUBST(local_prefix)
2712 AC_SUBST(objc_boehm_gc)
2714 AC_SUBST(out_object_file)
2715 AC_SUBST(stage_prefix_set_by_configure)
2716 AC_SUBST(quoted_stage_prefix_set_by_configure)
2717 AC_SUBST(symbolic_link)
2718 AC_SUBST(thread_file)
2719 AC_SUBST(tm_file_list)
2721 AC_SUBST(tm_defines)
2722 AC_SUBST(tm_p_file_list)
2725 AC_SUBST(xm_defines)
2726 AC_SUBST(target_alias)
2727 AC_SUBST(c_target_objs)
2728 AC_SUBST(cxx_target_objs)
2729 AC_SUBST(target_cpu_default)
2731 AC_SUBST_FILE(target_overrides)
2732 AC_SUBST_FILE(host_overrides)
2733 AC_SUBST_FILE(language_fragments)
2734 AC_SUBST_FILE(language_hooks)
2736 # Echo that links are built
2737 if test x$host = x$target
2745 if test x$host != x$build
2747 str3=" on a $build system"
2750 if test "x$str2" != x || test "x$str3" != x
2755 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2757 if test "x$str2" != x || test "x$str3" != x
2759 echo " ${str2}${str3}." 1>&2
2762 # Truncate the target if necessary
2763 if test x$host_truncate_target != x; then
2764 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2767 # Configure the subdirectories
2768 # AC_CONFIG_SUBDIRS($subdirs)
2770 # Create the Makefile
2771 # and configure language subdirectories
2772 AC_OUTPUT($all_outputs,
2774 case x$CONFIG_HEADERS in
2775 xauto-host.h:config.in)
2778 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2779 # bootstrapping and the installation procedure can still use
2780 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2781 # FLAGS_TO_PASS has been modified to solve the problem there.
2782 # This is virtually a duplicate of what happens in configure.lang; we do
2783 # an extra check to make sure this only happens if ln -s can be used.
2784 if test "$symbolic_link" = "ln -s"; then
2785 for d in .. ${subdirs} fixinc ; do
2786 if test $d != ..; then
2787 STARTDIR=`${PWDCMD-pwd}`
2789 for t in stage1 stage2 stage3 stage4 include
2792 $symbolic_link ../$t $t 2>/dev/null
2798 # Avoid having to add intl to our include paths.
2799 if test -f intl/libintl.h; then
2800 echo creating libintl.h
2801 echo '#include "intl/libintl.h"' >libintl.h
2805 symbolic_link='$symbolic_link'