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 \
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 $gcc_cv_type_clock_t = yes; then
743 AC_DEFINE(HAVE_CLOCK_T, 1,
744 [Define if <time.h> defines clock_t.])
747 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
748 CFLAGS="$saved_CFLAGS"
750 # mkdir takes a single argument on some systems.
751 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
762 build_install_headers_dir=install-headers-tar
767 host_truncate_target=
770 # Decode the host machine, then the target machine.
771 # For the host machine, we save the xm_file variable as host_xm_file;
772 # then we decode the target machine and forget everything else
773 # that came from the host machine.
774 for machine in $build $host $target; do
775 . ${srcdir}/config.gcc
778 extra_objs="${host_extra_objs} ${extra_objs}"
780 # Default the target-machine variables that were not explicitly set.
781 if test x"$tm_file" = x
782 then tm_file=$cpu_type/$cpu_type.h; fi
784 if test x"$extra_headers" = x
785 then extra_headers=; fi
787 if test x$md_file = x
788 then md_file=$cpu_type/$cpu_type.md; fi
790 if test x$out_file = x
791 then out_file=$cpu_type/$cpu_type.c; fi
793 if test x"$tmake_file" = x
794 then tmake_file=$cpu_type/t-$cpu_type
797 if test x"$dwarf2" = xyes
798 then tm_file="$tm_file tm-dwarf2.h"
801 # Say what files are being used for the output code and MD file.
802 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
803 echo "Using \`$srcdir/config/$md_file' as machine description file."
805 # If any of the xm_file variables contain nonexistent files, warn
806 # about them and drop them.
809 for x in $build_xm_file; do
810 if test -f $srcdir/config/$x
812 else AC_MSG_WARN($srcdir/config/$x does not exist.)
818 for x in $host_xm_file; do
819 if test -f $srcdir/config/$x
821 else AC_MSG_WARN($srcdir/config/$x does not exist.)
827 for x in $xm_file; do
828 if test -f $srcdir/config/$x
830 else AC_MSG_WARN($srcdir/config/$x does not exist.)
836 for f in $tm_file; do
839 if test $count = ax; then
840 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
842 echo "Using the following target machine macro files:"
843 for f in $tm_file; do
844 echo " $srcdir/config/$f"
849 for f in $host_xm_file; do
852 if test $count = a; then
854 elif test $count = ax; then
855 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
857 echo "Using the following host machine macro files:"
858 for f in $host_xm_file; do
859 echo " $srcdir/config/$f"
863 if test "$host_xm_file" != "$build_xm_file"; then
865 for f in $build_xm_file; do
868 if test $count = a; then
870 elif test $count = ax; then
871 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
873 echo "Using the following build machine macro files:"
874 for f in $build_xm_file; do
875 echo " $srcdir/config/$f"
880 if test x$thread_file = x; then
881 if test x$target_thread_file != x; then
882 thread_file=$target_thread_file
888 # Look for a file containing extra machine modes.
889 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
890 extra_modes_file='$(srcdir)'/config/${extra_modes}
891 AC_SUBST(extra_modes_file)
892 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
893 [Define to the name of a file containing a list of extra machine modes
894 for this architecture.])
895 AC_DEFINE(EXTRA_CC_MODES, 1,
896 [Define if the target architecture needs extra machine modes to represent
897 the results of comparisons.])
900 # auto-host.h is the file containing items generated by autoconf and is
901 # the first file included by config.h.
902 # If host=build, it is correct to have hconfig include auto-host.h
903 # as well. If host!=build, we are in error and need to do more
904 # work to find out the build config parameters.
905 if test x$host = x$build
907 build_auto=auto-host.h
910 # We create a subdir, then run autoconf in the subdir.
911 # To prevent recursion we set host and build for the new
912 # invocation of configure to the build for this invocation
919 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
920 *) realsrcdir=../${srcdir};;
922 saved_CFLAGS="${CFLAGS}"
923 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
924 ${realsrcdir}/configure \
925 --target=$target_alias --host=$build_alias --build=$build_alias
926 CFLAGS="${saved_CFLAGS}"
928 # We just finished tests for the build machine, so rename
929 # the file auto-build.h in the gcc directory.
930 mv auto-host.h ../auto-build.h
933 build_auto=auto-build.h
934 FORBUILD=../$build_alias
938 tm_file="${tm_file} defaults.h"
939 host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}"
940 build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}"
941 xm_file="ansidecl.h ${xm_file} ${tm_file}"
943 # Truncate the target if necessary
944 if test x$host_truncate_target != x; then
945 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
948 # Get the version trigger filename from the toplevel
949 if test "${with_gcc_version_trigger+set}" = set; then
950 gcc_version_trigger=$with_gcc_version_trigger
952 gcc_version_trigger=${srcdir}/version.c
955 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
956 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
958 # Compile in configure arguments.
959 if test -f configargs.h ; then
960 # Being re-configured.
961 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
962 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
964 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
966 cat > configargs.h <<EOF
967 /* Generated automatically. */
968 static const char configuration_arguments[] = "$gcc_config_arguments";
969 static const char thread_model[] = "$thread_file";
973 # Internationalization
975 VERSION="$gcc_version"
979 # Enable NLS support by default
981 [ --enable-nls use Native Language Support (default)],
984 # if cross compiling, disable NLS support.
985 # It's not worth the trouble, at least for now.
987 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
988 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
994 # Windows32 Registry support for specifying GCC installation paths.
995 AC_ARG_ENABLE(win32-registry,
996 [ --disable-win32-registry
997 disable lookup of installation paths in the
998 Registry on Windows hosts
999 --enable-win32-registry enable registry lookup (default)
1000 --enable-win32-registry=KEY
1001 use KEY instead of GCC version as the last portion
1002 of the registry key],,)
1004 win32 | pe | cygwin* | mingw32* | uwin*)
1005 AC_MSG_CHECKING(whether windows registry support is requested)
1006 if test "x$enable_win32_registry" != xno; then
1007 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1008 [Define to 1 if installation paths should be looked up in Windows32
1009 Registry. Ignored on non windows32 hosts.])
1011 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1016 # Check if user specified a different registry key.
1017 case "x${enable_win32_registry}" in
1020 gcc_cv_win32_registry_key="$VERSION"
1023 # no registry lookup.
1024 gcc_cv_win32_registry_key=''
1027 # user-specified key.
1028 gcc_cv_win32_registry_key="$enable_win32_registry"
1032 if test "x$enable_win32_registry" != xno; then
1033 AC_MSG_CHECKING(registry key on windows hosts)
1034 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1035 [Define to be the last portion of registry key on windows hosts.])
1036 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1041 # Get an absolute path to the GCC top-level source directory
1042 holddir=`${PWDCMD-pwd}`
1044 topdir=`${PWDCMD-pwd}`
1047 # Conditionalize the makefile for this host machine.
1048 # Make-host contains the concatenation of all host makefile fragments
1049 # [there can be more than one]. This file is built by configure.frag.
1050 host_overrides=Make-host
1051 dep_host_xmake_file=
1052 for f in .. ${host_xmake_file}
1054 if test -f ${srcdir}/config/$f
1056 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1060 # Conditionalize the makefile for this target machine.
1061 # Make-target contains the concatenation of all host makefile fragments
1062 # [there can be more than one]. This file is built by configure.frag.
1063 target_overrides=Make-target
1065 for f in .. ${tmake_file}
1067 if test -f ${srcdir}/config/$f
1069 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1073 # If the host doesn't support symlinks, modify CC in
1074 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1075 # Otherwise, we can use "CC=$(CC)".
1077 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1079 cc_set_by_configure="\$(CC)"
1080 quoted_cc_set_by_configure="\$(CC)"
1081 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1082 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1085 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1087 symbolic_link="cp -p"
1091 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1092 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1093 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1094 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1098 out_object_file=`basename $out_file .c`.o
1101 for f in $tm_file; do
1104 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1106 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1107 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1112 for f in $tm_p_file; do
1113 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1117 for f in $host_xm_file; do
1120 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1122 host_xm_file_list="${host_xm_file_list} $f" ;;
1124 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1125 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1130 for f in $build_xm_file; do
1133 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1134 auto-build.h | auto-host.h )
1135 build_xm_file_list="${build_xm_file_list} $f" ;;
1137 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1138 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1142 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1143 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1144 CROSS= AC_SUBST(CROSS)
1145 ALL=all.internal AC_SUBST(ALL)
1146 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1147 if test x$host != x$target
1149 CROSS="-DCROSS_COMPILE"
1151 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1152 case "$host","$target" in
1153 i?86-*-*,x86_64-*-* \
1154 | powerpc*-*-*,powerpc64*-*-*)
1155 CROSS="$CROSS -DNATIVE_CROSS" ;;
1159 # If this is a cross-compiler that does not
1160 # have its own set of headers then define
1163 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1164 # This prevents libgcc2 from containing any code which requires libc
1167 if [test x$host != x$target] && [test x$with_headers = x]; then
1168 inhibit_libc=-Dinhibit_libc
1170 if [test x$with_newlib = xyes]; then
1171 inhibit_libc=-Dinhibit_libc
1174 AC_SUBST(inhibit_libc)
1176 # When building gcc with a cross-compiler, we need to adjust things so
1177 # that the generator programs are still built with the native compiler.
1178 # Also, we cannot run fixincludes or fix-header.
1179 # Note that the terminology here is wrong; it should be BUILD_* throughout.
1182 # These are the normal (build=host) settings:
1183 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1184 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1185 HOST_CC='$(CC)' AC_SUBST(HOST_CC)
1186 HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
1188 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1189 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1191 # And these apply if build != host.
1192 if test x$build != x$host
1195 BUILD_PREFIX_1=build-
1196 HOST_CC='$(CC_FOR_BUILD)'
1197 HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1203 # Expand extra_headers to include complete path.
1204 # This substitutes for lots of t-* files.
1206 if test "x$extra_headers" = x
1209 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1210 for file in $extra_headers;
1212 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1216 if test x$use_collect2 = xno; then
1220 # Add a definition of USE_COLLECT2 if system wants one.
1221 if test x$use_collect2 != x
1223 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1224 xm_defines="${xm_defines} USE_COLLECT2"
1227 # If we have gas in the build tree, make a link to it.
1228 if test -f ../gas/Makefile; then
1229 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1232 # If we have nm and objdump in the build tree, make a link to them.
1233 if test -f ../binutils/Makefile; then
1234 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1235 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1238 # If we have ld in the build tree, make a link to it.
1239 if test -f ../ld/Makefile; then
1240 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1243 # Figure out what assembler we will be using.
1244 AC_MSG_CHECKING(what assembler to use)
1246 gcc_cv_gas_major_version=
1247 gcc_cv_gas_minor_version=
1248 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1249 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1250 if test -x "$DEFAULT_ASSEMBLER"; then
1251 gcc_cv_as="$DEFAULT_ASSEMBLER"
1252 elif test -x "$AS"; then
1254 elif test -x as$host_exeext; then
1255 # Build using assembler in the current directory.
1256 gcc_cv_as=./as$host_exeext
1257 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1258 # Single tree build which includes gas.
1259 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
1262 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1264 if test x$gcc_cv_gas_version != x; then
1269 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1270 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1271 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1275 if test "x$gcc_cv_as" = x; then
1276 # Search the same directories that the installed compiler will
1277 # search. Else we may find the wrong assembler and lose. If we
1278 # do not find a suitable assembler binary, then try the user's
1281 # Also note we have to check MD_EXEC_PREFIX before checking the
1282 # user's path. Unfortunately, there is no good way to get at the
1283 # value of MD_EXEC_PREFIX here. So we do a brute force search
1284 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1285 # to be fixed as part of the make/configure rewrite too.
1287 if test "x$exec_prefix" = xNONE; then
1288 if test "x$prefix" = xNONE; then
1289 test_prefix=/usr/local
1294 test_prefix=$exec_prefix
1297 # If the loop below does not find an assembler, then use whatever
1298 # one we can find in the users's path.
1300 if test "x$program_prefix" != xNONE; then
1301 gcc_cv_as=${program_prefix}as$host_exeext
1303 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1306 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1307 $test_prefix/lib/gcc-lib/$target_alias \
1308 /usr/lib/gcc/$target_alias/$gcc_version \
1309 /usr/lib/gcc/$target_alias \
1310 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1311 $test_prefix/$target_alias/bin"
1313 if test x$host = x$target; then
1314 test_dirs="$test_dirs \
1319 /bsd43/usr/lib/cmplrs/cc \
1320 /usr/cross64/usr/bin \
1321 /usr/lib/cmplrs/cc \
1322 /sysv/usr/lib/cmplrs/cc \
1323 /svr4/usr/lib/cmplrs/cc \
1327 for dir in $test_dirs; do
1328 if test -x $dir/as$host_exeext; then
1329 gcc_cv_as=$dir/as$host_exeext
1334 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1335 AC_MSG_RESULT("newly built gas")
1337 AC_MSG_RESULT($gcc_cv_as)
1340 # Figure out what linker we will be using.
1341 AC_MSG_CHECKING(what linker to use)
1343 gcc_cv_gld_major_version=
1344 gcc_cv_gld_minor_version=
1345 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1346 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1347 if test -x "$DEFAULT_LINKER"; then
1348 gcc_cv_ld="$DEFAULT_LINKER"
1349 elif test -x "$LD"; then
1351 elif test -x ld$host_exeext; then
1352 # Build using linker in the current directory.
1353 gcc_cv_ld=./ld$host_exeext
1354 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1355 # Single tree build which includes ld.
1356 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
1359 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1361 if test x$gcc_cv_gld_version != x; then
1366 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1367 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1371 if test "x$gcc_cv_ld" = x; then
1372 # Search the same directories that the installed compiler will
1373 # search. Else we may find the wrong linker and lose. If we
1374 # do not find a suitable linker binary, then try the user's
1377 # Also note we have to check MD_EXEC_PREFIX before checking the
1378 # user's path. Unfortunately, there is no good way to get at the
1379 # value of MD_EXEC_PREFIX here. So we do a brute force search
1380 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1381 # to be fixed as part of the make/configure rewrite too.
1383 if test "x$exec_prefix" = xNONE; then
1384 if test "x$prefix" = xNONE; then
1385 test_prefix=/usr/local
1390 test_prefix=$exec_prefix
1393 # If the loop below does not find an linker, then use whatever
1394 # one we can find in the users's path.
1396 if test "x$program_prefix" != xNONE; then
1397 gcc_cv_ld=${program_prefix}ld$host_exeext
1399 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1402 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1403 $test_prefix/lib/gcc-lib/$target_alias \
1404 /usr/lib/gcc/$target_alias/$gcc_version \
1405 /usr/lib/gcc/$target_alias \
1406 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1407 $test_prefix/$target_alias/bin"
1409 if test x$host = x$target; then
1410 test_dirs="$test_dirs \
1415 /bsd43/usr/lib/cmplrs/cc \
1416 /usr/cross64/usr/bin \
1417 /usr/lib/cmplrs/cc \
1418 /sysv/usr/lib/cmplrs/cc \
1419 /svr4/usr/lib/cmplrs/cc \
1423 for dir in $test_dirs; do
1424 if test -x $dir/ld$host_exeext; then
1425 gcc_cv_ld=$dir/ld$host_exeext
1430 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1431 AC_MSG_RESULT("newly built ld")
1433 AC_MSG_RESULT($gcc_cv_ld)
1436 # Figure out what nm we will be using.
1437 AC_MSG_CHECKING(what nm to use)
1438 if test -x nm$host_exeext; then
1439 gcc_cv_nm=./nm$host_exeext
1440 elif test "x$program_prefix" != xNONE; then
1441 gcc_cv_nm=${program_prefix}nm$host_exeext
1443 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1445 AC_MSG_RESULT($gcc_cv_nm)
1447 # Figure out what objdump we will be using.
1448 AC_MSG_CHECKING(what objdump to use)
1449 if test -x objdump$host_exeext; then
1450 gcc_cv_objdump=./objdump$host_exeext
1451 elif test "x$program_prefix" != xNONE; then
1452 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1454 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1456 AC_MSG_RESULT($gcc_cv_objdump)
1458 # Figure out what assembler alignment features are present.
1459 AC_MSG_CHECKING(assembler alignment features)
1460 gcc_cv_as_alignment_features=none
1461 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1462 # Gas version 2.6 and later support for .balign and .p2align.
1463 # bytes to skip when using .p2align.
1464 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1465 gcc_cv_as_alignment_features=".balign and .p2align"
1466 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1468 # Gas version 2.8 and later support specifying the maximum
1469 # bytes to skip when using .p2align.
1470 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1471 gcc_cv_as_alignment_features=".p2align including maximum skip"
1472 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1474 elif test x$gcc_cv_as != x; then
1475 # Check if we have .balign and .p2align
1476 echo ".balign 4" > conftest.s
1477 echo ".p2align 2" >> conftest.s
1478 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1479 gcc_cv_as_alignment_features=".balign and .p2align"
1480 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1482 rm -f conftest.s conftest.o
1483 # Check if specifying the maximum bytes to skip when
1484 # using .p2align is supported.
1485 echo ".p2align 4,,7" > conftest.s
1486 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1487 gcc_cv_as_alignment_features=".p2align including maximum skip"
1488 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1490 rm -f conftest.s conftest.o
1492 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1494 AC_MSG_CHECKING(assembler subsection support)
1495 gcc_cv_as_subsections=no
1496 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1497 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1498 gcc_cv_as_subsections="working .subsection -1"
1500 elif test x$gcc_cv_as != x; then
1501 # Check if we have .subsection
1502 echo ".subsection 1" > conftest.s
1503 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1504 gcc_cv_as_subsections=".subsection"
1505 if test x$gcc_cv_nm != x; then
1506 cat > conftest.s <<EOF
1507 conftest_label1: .word 0
1509 conftest_label2: .word 0
1512 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1513 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1514 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1515 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1518 gcc_cv_as_subsections="working .subsection -1"
1523 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1525 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1526 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1527 [Define if your assembler supports .subsection and .subsection -1 starts
1528 emitting at the beginning of your section.])
1530 AC_MSG_RESULT($gcc_cv_as_subsections)
1532 AC_MSG_CHECKING(assembler weak support)
1534 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1535 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1536 gcc_cv_as_weak="yes"
1538 elif test x$gcc_cv_as != x; then
1539 # Check if we have .weak
1540 echo " .weak foobar" > conftest.s
1541 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1542 gcc_cv_as_weak="yes"
1544 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1546 if test x"$gcc_cv_as_weak" = xyes; then
1547 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1549 AC_MSG_RESULT($gcc_cv_as_weak)
1551 AC_MSG_CHECKING(assembler hidden support)
1553 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1554 if test "$gcc_cv_gas_major_version" -eq 2 \
1555 -a "$gcc_cv_gas_minor_version" -eq 12 \
1556 -a "$gcc_cv_gas_patch_version" -ge 1 \
1557 -o "$gcc_cv_gas_major_version" -eq 2 \
1558 -a "$gcc_cv_gas_minor_version" -gt 12 \
1559 -o "$gcc_cv_gas_major_version" -gt 2 \
1560 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1561 gcc_cv_as_hidden="yes"
1563 elif test x$gcc_cv_as != x; then
1564 # Check if we have .hidden
1565 echo " .hidden foobar" > conftest.s
1566 echo "foobar:" >> conftest.s
1567 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1568 gcc_cv_as_hidden="yes"
1570 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1572 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1573 # This is irritatingly difficult to feature test for. Look for
1574 # the date string after the version number.
1575 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1576 if echo "$ld_ver" | grep GNU > /dev/null; then
1578 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1579 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1580 if test 0"$ld_date" -lt 20020404; then
1581 if test -n "$ld_date"; then
1582 # If there was date string, but was earlier than 2002-04-04, fail
1583 gcc_cv_as_hidden="no"
1584 elif test -z "$ld_vers"; then
1585 # If there was no date string nor ld version number, something is wrong
1586 gcc_cv_as_hidden="no"
1588 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1589 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1590 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1591 test -z "$ld_vers_patch" && ld_vers_patch=0
1592 if test "$ld_vers_major" -lt 2; then
1593 gcc_cv_as_hidden="no"
1594 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1595 gcc_cv_as_hidden="no"
1596 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1597 -a "$ld_vers_patch" -eq 0; then
1598 gcc_cv_as_hidden="no"
1605 if test x"$gcc_cv_as_hidden" = xyes; then
1606 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1607 [Define if your assembler supports .hidden.])
1609 AC_MSG_RESULT($gcc_cv_as_hidden)
1610 libgcc_visibility=$gcc_cv_as_hidden
1613 if test x"$gnu_ld_flag" = x"no"; then
1614 # Even if using gas with .hidden support, the resulting object files
1615 # cannot be linked with the IRIX 6 O32 linker.
1616 libgcc_visibility=no
1620 AC_SUBST(libgcc_visibility)
1622 AC_MSG_CHECKING(assembler leb128 support)
1624 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1625 if test "$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
1626 gcc_cv_as_leb128="yes"
1628 elif test x$gcc_cv_as != x; then
1629 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1630 cat > conftest.s <<EOF
1638 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1639 gcc_cv_as_leb128="yes"
1641 # GAS versions before 2.11 do not support uleb128,
1642 # despite appearing to.
1643 # ??? There exists an elf-specific test that will crash
1644 # the assembler. Perhaps it's better to figure out whether
1645 # arbitrary sections are supported and try the test.
1646 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1647 if echo "$as_ver" | grep GNU > /dev/null; then
1649 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1650 as_major=`echo $as_ver | sed 's/\..*//'`
1651 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1653 if test $as_major -eq 2 -a $as_minor -lt 11; then
1654 gcc_cv_as_leb128="no"
1658 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1660 if test x"$gcc_cv_as_leb128" = xyes; then
1661 AC_DEFINE(HAVE_AS_LEB128, 1,
1662 [Define if your assembler supports .uleb128.])
1664 AC_MSG_RESULT($gcc_cv_as_leb128)
1666 AC_MSG_CHECKING(assembler eh_frame optimization)
1667 gcc_cv_as_eh_frame=no
1668 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1669 if test "$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
1670 gcc_cv_as_eh_frame="yes"
1672 elif test x$gcc_cv_as != x; then
1673 # Check if this is GAS.
1674 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1675 rm -f a.out 2> /dev/null
1676 if echo "$as_ver" | grep GNU > /dev/null; then
1677 # Versions up to and including 2.11.0 may mis-optimize
1678 # .eh_frame data. Try something.
1679 cat > conftest.s <<EOF
1686 .section .eh_frame,"aw",@progbits
1688 .4byte .LECIE1-.LSCIE1
1702 .4byte .LEFDE1-.LASFDE1
1704 .4byte .LASFDE1-__FRAME_BEGIN__
1713 cat > conftest.lit <<EOF
1714 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1715 0010 01000000 12000000 18000000 00000000 ................
1716 0020 08000000 04080000 0044 .........D
1718 cat > conftest.big <<EOF
1719 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1720 0010 00000001 00000012 00000018 00000000 ................
1721 0020 00000008 04000000 0844 .........D
1723 # If the assembler didn't choke, and we can objdump,
1724 # and we got the correct data, then succeed.
1725 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1726 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1727 | tail -3 > conftest.got \
1728 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1729 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1731 gcc_cv_as_eh_frame="yes"
1733 gcc_cv_as_eh_frame="bad"
1734 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1735 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1736 [Define if your assembler mis-optimizes .eh_frame data.])
1742 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1744 AC_MSG_CHECKING(assembler section merging support)
1745 gcc_cv_as_shf_merge=no
1746 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1747 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1748 gcc_cv_as_shf_merge=yes
1750 elif test x$gcc_cv_as != x; then
1751 # Check if we support SHF_MERGE sections
1752 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1753 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1754 gcc_cv_as_shf_merge=yes
1756 rm -f conftest.s conftest.o
1758 if test x"$gcc_cv_as_shf_merge" = xyes; then
1759 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1760 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1762 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1764 AC_MSG_CHECKING(assembler thread-local storage support)
1773 .section ".tdata","awT",@progbits
1776 ldq $27,__tls_get_addr($29) !literal!1
1777 lda $16,foo($29) !tlsgd!1
1778 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1779 ldq $27,__tls_get_addr($29) !literal!2
1780 lda $16,foo($29) !tlsldm!2
1781 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1782 ldq $1,foo($29) !gotdtprel
1783 ldah $2,foo($29) !dtprelhi
1784 lda $3,foo($2) !dtprello
1785 lda $4,foo($29) !dtprel
1786 ldq $1,foo($29) !gottprel
1787 ldah $2,foo($29) !tprelhi
1788 lda $3,foo($2) !tprello
1789 lda $4,foo($29) !tprel'
1796 .section ".tdata","awT",@progbits
1800 leal foo@TLSGD(,%ebx,1), %eax
1801 leal foo@TLSLDM(%ebx), %eax
1802 leal foo@DTPOFF(%eax), %edx
1803 movl foo@GOTTPOFF(%ebx), %eax
1804 subl foo@GOTTPOFF(%ebx), %eax
1805 movl $foo@TPOFF, %eax
1806 subl $foo@TPOFF, %eax
1807 leal foo@NTPOFF(%ecx), %eax'
1813 .section ".tdata","awT",@progbits
1816 addl r16 = @ltoff(@dtpmod(foo#)), gp
1817 addl r17 = @ltoff(@dtprel(foo#)), gp
1818 addl r18 = @ltoff(@tprel(foo#)), gp
1819 addl r19 = @dtprel(foo#), gp
1820 adds r21 = @dtprel(foo#), r13
1821 movl r23 = @dtprel(foo#)
1822 addl r20 = @tprel(foo#), gp
1823 adds r22 = @tprel(foo#), r13
1824 movl r24 = @tprel(foo#)'
1829 if test -z "$tls_first_major"; then
1831 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1833 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1834 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1835 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1838 elif test x$gcc_cv_as != x; then
1839 echo "$conftest_s" > conftest.s
1840 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1844 rm -f conftest.s conftest.o
1846 if test "$gcc_cv_as_tls" = yes; then
1847 AC_DEFINE(HAVE_AS_TLS, 1,
1848 [Define if your assembler supports thread-local storage.])
1850 AC_MSG_RESULT($gcc_cv_as_tls)
1853 # All TARGET_ABI_OSF targets.
1854 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1855 AC_CACHE_CHECK([assembler supports explicit relocations],
1856 gcc_cv_as_explicit_relocs, [
1857 gcc_cv_as_explicit_relocs=unknown
1858 if test x$gcc_cv_gas_major_version != x \
1859 -a x$gcc_cv_gas_minor_version != x
1861 if test "$gcc_cv_gas_major_version" -eq 2 \
1862 -a "$gcc_cv_gas_minor_version" -ge 12 \
1863 -o "$gcc_cv_gas_major_version" -gt 2; then
1864 gcc_cv_as_explicit_relocs=yes
1866 elif test x$gcc_cv_as != x; then
1867 cat > conftest.s << 'EOF'
1870 extbl $3, $2, $3 !lituse_bytoff!1
1871 ldq $2, a($29) !literal!1
1872 ldq $4, b($29) !literal!2
1873 ldq_u $3, 0($2) !lituse_base!1
1874 ldq $27, f($29) !literal!5
1875 jsr $26, ($27), f !lituse_jsr!5
1876 ldah $29, 0($26) !gpdisp!3
1877 lda $0, c($29) !gprel
1878 ldah $1, d($29) !gprelhigh
1879 lda $1, d($1) !gprellow
1880 lda $29, 0($29) !gpdisp!3
1882 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1883 gcc_cv_as_explicit_relocs=yes
1885 gcc_cv_as_explicit_relocs=no
1887 rm -f conftest.s conftest.o
1890 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1891 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1892 [Define if your assembler supports explicit relocations.])
1896 AC_CACHE_CHECK([assembler .register pseudo-op support],
1897 gcc_cv_as_register_pseudo_op, [
1898 gcc_cv_as_register_pseudo_op=unknown
1899 if test x$gcc_cv_as != x; then
1900 # Check if we have .register
1901 echo ".register %g2, #scratch" > conftest.s
1902 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1903 gcc_cv_as_register_pseudo_op=yes
1905 gcc_cv_as_register_pseudo_op=no
1907 rm -f conftest.s conftest.o
1910 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1911 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1912 [Define if your assembler supports .register.])
1915 AC_CACHE_CHECK([assembler supports -relax],
1916 gcc_cv_as_relax_opt, [
1917 gcc_cv_as_relax_opt=unknown
1918 if test x$gcc_cv_as != x; then
1919 # Check if gas supports -relax
1920 echo ".text" > conftest.s
1921 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1922 gcc_cv_as_relax_opt=yes
1924 gcc_cv_as_relax_opt=no
1926 rm -f conftest.s conftest.o
1929 if test "x$gcc_cv_as_relax_opt" = xyes; then
1930 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1931 [Define if your assembler supports -relax option.])
1934 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
1935 gcc_cv_as_sparc_ua_pcrel, [
1936 gcc_cv_as_sparc_ua_pcrel=unknown
1937 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
1938 gcc_cv_as_sparc_ua_pcrel=no
1939 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
1940 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1941 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
1942 gcc_cv_as_sparc_ua_pcrel=yes
1944 rm -f conftest.s conftest.o conftest
1947 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1948 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
1949 [Define if your assembler and linker support unaligned PC relative relocs.])
1952 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
1953 gcc_cv_as_sparc_ua_pcrel_hidden, [
1954 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1955 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
1956 if test x$gcc_cv_objdump != x; then
1957 gcc_cv_as_sparc_ua_pcrel_hidden=no
1958 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
1959 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
1960 echo "foo: .skip 4" >> conftest.s
1961 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1962 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
1963 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
1964 | grep ' 31000000 07323334' > /dev/null 2>&1; then
1965 if $gcc_cv_objdump -R conftest 2> /dev/null \
1966 | grep 'DISP32' > /dev/null 2>&1; then
1969 gcc_cv_as_sparc_ua_pcrel_hidden=yes
1973 rm -f conftest.s conftest.o conftest
1975 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
1978 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
1979 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
1980 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
1983 AC_CACHE_CHECK([for assembler offsetable %lo() support],
1984 gcc_cv_as_offsetable_lo10, [
1985 gcc_cv_as_offsetable_lo10=unknown
1986 if test "x$gcc_cv_as" != x; then
1987 # Check if assembler has offsetable %lo()
1988 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
1989 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
1990 if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
1992 $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
1993 > /dev/null 2>&1; then
1994 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
1995 gcc_cv_as_offsetable_lo10=no
1997 gcc_cv_as_offsetable_lo10=yes
2000 gcc_cv_as_offsetable_lo10=no
2002 rm -f conftest.s conftest.o conftest1.s conftest1.o
2005 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2006 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2007 [Define if your assembler supports offsetable %lo().])
2013 i[34567]86-*-* | x86_64-*-*)
2015 AC_MSG_CHECKING(assembler instructions)
2016 gcc_cv_as_instructions=
2017 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2018 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2019 gcc_cv_as_instructions="filds fists"
2021 elif test x$gcc_cv_as != x; then
2022 set "filds fists" "filds mem; fists mem"
2025 echo "$2" > conftest.s
2026 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2027 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2031 rm -f conftest.s conftest.o
2033 if test x"$gcc_cv_as_instructions" != x; then
2034 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2036 AC_MSG_RESULT($gcc_cv_as_instructions)
2038 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2039 gcc_cv_as_gotoff_in_data=no
2040 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2042 if test "$gcc_cv_gas_major_version" -eq 2 \
2043 -a "$gcc_cv_gas_minor_version" -ge 11 \
2044 -o "$gcc_cv_gas_major_version" -gt 2; then
2045 gcc_cv_as_gotoff_in_data=yes
2047 elif test x$gcc_cv_as != x; then
2048 cat > conftest.s <<EOF
2055 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2056 gcc_cv_as_gotoff_in_data=yes
2059 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2060 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2061 [Define true if the assembler supports '.long foo@GOTOFF'.])
2062 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2066 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2067 gcc_cv_as_dwarf2_debug_line=no
2068 # ??? Not all targets support dwarf2 debug_line, even within a version
2069 # of gas. Moreover, we need to emit a valid instruction to trigger any
2070 # info to the output file. So, as supported targets are added to gas 2.11,
2071 # add some instruction here to (also) show we expect this might work.
2072 # ??? Once 2.11 is released, probably need to add first known working
2073 # version to the per-target configury.
2075 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-* | hppa*-*-*)
2082 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2084 if test "$gcc_cv_gas_major_version" -eq 2 \
2085 -a "$gcc_cv_gas_minor_version" -ge 11 \
2086 -o "$gcc_cv_gas_major_version" -gt 2 \
2087 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2088 && test x"$insn" != x ; then
2089 gcc_cv_as_dwarf2_debug_line="yes"
2091 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2092 echo ' .file 1 "conftest.s"' > conftest.s
2093 echo ' .loc 1 3 0' >> conftest.s
2094 echo " $insn" >> conftest.s
2095 # ??? This fails with non-gnu grep.
2096 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2097 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2098 # The .debug_line file table must be in the exact order that
2099 # we specified the files, since these indices are also used
2100 # by DW_AT_decl_file. Approximate this test by testing if
2101 # the assembler bitches if the same index is assigned twice.
2102 echo ' .file 1 "foo.s"' > conftest.s
2103 echo ' .file 1 "bar.s"' >> conftest.s
2104 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2106 gcc_cv_as_dwarf2_debug_line="no"
2108 gcc_cv_as_dwarf2_debug_line="yes"
2111 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2113 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2114 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2115 [Define if your assembler supports dwarf2 .file/.loc directives,
2116 and preserves file table indices exactly as given.])
2118 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2120 AC_MSG_CHECKING(assembler --gdwarf2 support)
2121 gcc_cv_as_gdwarf2_flag=no
2122 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2124 if test "$gcc_cv_gas_major_version" -eq 2 \
2125 -a "$gcc_cv_gas_minor_version" -ge 11 \
2126 -o "$gcc_cv_gas_major_version" -gt 2 \
2127 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2128 && test x"$insn" != x ; then
2129 gcc_cv_as_gdwarf2_flag="yes"
2131 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2132 echo '' > conftest.s
2133 # ??? This fails with non-gnu grep.
2134 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2136 gcc_cv_as_gdwarf2_flag="yes"
2138 rm -f conftest.s conftest.o
2140 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2141 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2142 [Define if your assembler supports the --gdwarf2 option.])
2144 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2146 AC_MSG_CHECKING(assembler --gstabs support)
2147 gcc_cv_as_gstabs_flag=no
2148 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2150 if test "$gcc_cv_gas_major_version" -eq 2 \
2151 -a "$gcc_cv_gas_minor_version" -ge 11 \
2152 -o "$gcc_cv_gas_major_version" -gt 2 \
2153 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2154 && test x"$insn" != x ; then
2155 gcc_cv_as_gstabs_flag="yes"
2157 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2158 echo '' > conftest.s
2159 # ??? This fails with non-gnu grep.
2160 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2161 gcc_cv_as_gstabs_flag="yes"
2163 rm -f conftest.s conftest.o
2165 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2166 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2167 [Define if your assembler supports the --gstabs option.])
2169 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2171 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2172 gcc_cv_ld_eh_frame_hdr=no
2173 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2174 if test "$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
2175 gcc_cv_ld_eh_frame_hdr=yes
2177 elif test x$gcc_cv_ld != x; then
2178 # Check if linker supports --eh-frame-hdr option
2179 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2180 gcc_cv_ld_eh_frame_hdr=yes
2183 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2184 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2185 [Define if your linker supports --eh-frame-hdr option.])
2187 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2189 # Miscellaneous target-specific checks.
2192 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2193 gcc_cv_mips_libgloss_startup=no
2194 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2195 if test "x$exec_prefix" = xNONE; then
2196 if test "x$prefix" = xNONE; then
2197 test_prefix=/usr/local
2202 test_prefix=$exec_prefix
2204 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2206 if grep '^STARTUP' $f > /dev/null 2>&1; then
2207 gcc_cv_mips_libgloss_startup=yes
2211 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2212 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2213 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2215 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2219 if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2220 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2223 # Figure out what language subdirectories are present.
2224 # Look if the user specified --enable-languages="..."; if not, use
2225 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2227 # NB: embedded tabs in this IF block -- do not untabify
2228 if test x"${enable_languages+set}" != xset; then
2229 if test x"${LANGUAGES+set}" = xset; then
2230 enable_languages="${LANGUAGES}"
2231 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2234 enable_languages=all
2237 if test x"${enable_languages}" = x \
2238 || test x"${enable_languages}" = xyes;
2240 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2243 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2245 # First scan to see if an enabled language requires some other language.
2246 # We assume that a given config-lang.in will list all the language
2247 # front ends it requires, even if some are required indirectly.
2248 for lang in ${srcdir}/*/config-lang.in ..
2253 # The odd quoting in the next line works around
2254 # an apparent bug in bash 1.12 on linux.
2256 ${srcdir}/[*]/config-lang.in)
2259 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2260 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2261 for other in $this_lang_requires
2263 case ,${enable_languages}, in
2269 enable_languages="$enable_languages,$other"
2278 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2281 for lang in ${srcdir}/*/config-lang.in ..
2285 # The odd quoting in the next line works around
2286 # an apparent bug in bash 1.12 on linux.
2288 ${srcdir}/[*]/config-lang.in) ;;
2290 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2291 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2292 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2293 if test "x$lang_alias" = x
2295 echo "$lang doesn't set \$language." 1>&2
2298 case ${build_by_default},${enable_languages}, in
2299 *,$lang_alias,*) add_this_lang=yes ;;
2300 no,*) add_this_lang=no ;;
2301 *,all,*) add_this_lang=yes ;;
2302 *) add_this_lang=no ;;
2304 found_languages="${found_languages} ${lang_alias}"
2305 if test x"${add_this_lang}" = xyes; then
2307 ${srcdir}/ada/config-lang.in)
2308 if test x$have_gnat = xyes ; then
2309 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2313 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2323 for expected_language in ${expected_languages} ..
2325 if test "${expected_language}" != ..; then
2326 missing_language="${expected_language}"
2327 if test "${expected_language}" = "c" \
2328 || test "${expected_language}" = "all"; then
2331 for found_language in ${found_languages} ..
2333 if test "${found_language}" != ..; then
2334 if test "${expected_language}" = "${found_language}"; then
2339 if test "x${missing_language}" != x; then
2340 missing_languages="${missing_languages} ${missing_language}"
2345 if test "x$missing_languages" != x; then
2347 The following requested languages were not found:${missing_languages}
2348 The following languages were available: c${found_languages}])
2351 # Make gthr-default.h if we have a thread file.
2353 if test $thread_file != single; then
2354 rm -f gthr-default.h
2355 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2356 gthread_flags=-DHAVE_GTHR_DEFAULT
2358 AC_SUBST(gthread_flags)
2360 # Find out what GC implementation we want, or may, use.
2362 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2369 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2374 echo "Using $GGC for garbage collection."
2376 # Use the system's zlib library.
2378 zlibinc="-I\$(srcdir)/../zlib"
2379 AC_ARG_WITH(system-zlib,
2380 [ --with-system-zlib use installed libz],
2387 dnl Very limited version of automake's enable-maintainer-mode
2389 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2390 dnl maintainer-mode is disabled by default
2391 AC_ARG_ENABLE(maintainer-mode,
2392 [ --enable-maintainer-mode
2393 enable make rules and dependencies not useful
2394 (and sometimes confusing) to the casual installer],
2395 maintainer_mode=$enableval,
2398 AC_MSG_RESULT($maintainer_mode)
2400 if test "$maintainer_mode" = "yes"; then
2407 # With Setjmp/Longjmp based exception handling.
2408 AC_ARG_ENABLE(sjlj-exceptions,
2409 [ --enable-sjlj-exceptions
2410 arrange to use setjmp/longjmp exception handling],
2411 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
2412 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
2413 [Define 0/1 to force the choice for exception handling model.])])
2415 # Use libunwind based exception handling.
2416 AC_ARG_ENABLE(libunwind-exceptions,
2417 [ --enable-libunwind-exceptions force use libunwind for exceptions],
2418 use_libunwind_exceptions=$enableval,
2419 use_libunwind_exceptions=no)
2420 if test x"$use_libunwind_exceptions" = xyes; then
2421 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
2422 [Define if gcc should use -lunwind.])
2425 # Make empty files to contain the specs and options for each language.
2426 # Then add #include lines to for a compiler that has specs and/or options.
2431 for subdir in . $subdirs
2433 if test -f $srcdir/$subdir/lang-specs.h; then
2434 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2436 if test -f $srcdir/$subdir/lang-options.h; then
2437 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2439 if test -f $srcdir/$subdir/$subdir-tree.def; then
2440 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2444 # These (without "all_") are set in each config-lang.in.
2445 # `language' must be a single word so is spelled singularly.
2450 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2451 # List of language makefile fragments.
2453 # Files for gengtype
2454 all_gtfiles="$target_gtfiles"
2455 # Files for gengtype with language
2456 all_gtfiles_files_langs=
2457 all_gtfiles_files_files=
2459 # Add the language fragments.
2460 # Languages are added via two mechanisms. Some information must be
2461 # recorded in makefile variables, these are defined in config-lang.in.
2462 # We accumulate them and plug them into the main Makefile.
2463 # The other mechanism is a set of hooks for each of the main targets
2464 # like `clean', `install', etc.
2466 language_fragments="Make-lang"
2467 language_hooks="Make-hooks"
2469 for s in .. $subdirs
2479 . ${srcdir}/$s/config-lang.in
2480 if test "x$language" = x
2482 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2485 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2486 if test -f ${srcdir}/$s/Makefile.in
2487 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2489 all_languages="$all_languages $language"
2490 if test "x$boot_language" = xyes
2492 all_boot_languages="$all_boot_languages $language"
2494 all_compilers="$all_compilers $compilers"
2495 all_stagestuff="$all_stagestuff $stagestuff"
2496 all_outputs="$all_outputs $outputs"
2497 all_gtfiles="$all_gtfiles $gtfiles"
2498 for f in .. $gtfiles
2502 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2503 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2509 # Pick up gtfiles for c
2512 . ${srcdir}/c-config-lang.in
2513 all_gtfiles="$all_gtfiles $gtfiles"
2514 for f in .. $gtfiles
2518 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2519 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2524 for language in .. $all_languages
2526 if test $language != ".."
2528 check_languages="$check_languages check-$language"
2532 # Since we can't use `::' targets, we link each language in
2533 # with a set of hooks, reached indirectly via lang.${target}.
2537 target_list="all.build all.cross start.encap rest.encap \
2538 info dvi generated-manpages \
2539 install-normal install-common install-info install-man \
2541 mostlyclean clean distclean extraclean maintainer-clean \
2542 stage1 stage2 stage3 stage4"
2543 for t in $target_list
2546 for lang in .. $all_languages
2548 if test $lang != ".."; then
2552 echo "lang.$t: $x" >> Make-hooks
2557 echo "dir ." > .gdbinit
2558 echo "dir ${srcdir}" >> .gdbinit
2559 if test x$gdb_needs_out_file_path = xyes
2561 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2563 if test "x$subdirs" != x; then
2566 echo "dir ${srcdir}/$s" >> .gdbinit
2569 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2571 # Define variables host_canonical and build_canonical
2572 # because some Cygnus local changes in the Makefile depend on them.
2573 build_canonical=${build}
2574 host_canonical=${host}
2576 if test "${host}" != "${target}" ; then
2577 target_subdir=${target_alias}/
2579 AC_SUBST(build_canonical)
2580 AC_SUBST(host_canonical)
2581 AC_SUBST(target_subdir)
2583 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2584 # absolute path for gcc_tooldir based on inserting the number of up-directory
2585 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2586 # $(libsubdir)/@(unlibsubdir) based path.
2587 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2588 # make and thus we'd get different behavior depending on where we built the
2590 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2591 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2593 changequote(<<, >>)dnl
2594 # An explanation of the sed strings:
2595 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2596 # -e 's|/$||' match a trailing forward slash and eliminates it
2597 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2598 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2600 # (*) Note this pattern overwrites the first character of the string
2601 # with a forward slash if one is not already present. This is not a
2602 # problem because the exact names of the sub-directories concerned is
2603 # unimportant, just the number of them matters.
2605 # The practical upshot of these patterns is like this:
2607 # prefix exec_prefix result
2608 # ------ ----------- ------
2610 # /foo/ /foo/bar ../
2611 # /foo /foo/bar/ ../
2612 # /foo/ /foo/bar/ ../
2613 # /foo /foo/bar/ugg ../../
2616 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2617 changequote([, ])dnl
2619 AC_SUBST(gcc_tooldir)
2622 # Find a directory in which to install a shared libgcc.
2624 AC_ARG_ENABLE(version-specific-runtime-libs,
2625 [ --enable-version-specific-runtime-libs
2626 specify that runtime libraries should be
2627 installed in a compiler-specific directory])
2629 AC_ARG_WITH(slibdir,
2630 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2631 slibdir="$with_slibdir",
2632 if test "${enable_version_specific_runtime_libs+set}" = set; then
2633 slibdir='$(libsubdir)'
2634 elif test "$host" != "$target"; then
2635 slibdir='$(build_tooldir)/lib'
2641 objdir=`${PWDCMD-pwd}`
2644 # Process the language and host/target makefile fragments.
2645 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2647 # Substitute configuration variables
2650 AC_SUBST(all_boot_languages)
2651 AC_SUBST(all_compilers)
2652 AC_SUBST(all_gtfiles)
2653 AC_SUBST(all_gtfiles_files_langs)
2654 AC_SUBST(all_gtfiles_files_files)
2655 AC_SUBST(all_lang_makefiles)
2656 AC_SUBST(all_languages)
2657 AC_SUBST(all_stagestuff)
2658 AC_SUBST(build_exeext)
2659 AC_SUBST(build_install_headers_dir)
2660 AC_SUBST(build_xm_file_list)
2661 AC_SUBST(build_xm_file)
2662 AC_SUBST(build_xm_defines)
2663 AC_SUBST(check_languages)
2664 AC_SUBST(cc_set_by_configure)
2665 AC_SUBST(quoted_cc_set_by_configure)
2666 AC_SUBST(cpp_install_dir)
2667 AC_SUBST(dep_host_xmake_file)
2668 AC_SUBST(dep_tmake_file)
2669 AC_SUBST(extra_headers_list)
2670 AC_SUBST(extra_objs)
2671 AC_SUBST(extra_parts)
2672 AC_SUBST(extra_passes)
2673 AC_SUBST(extra_programs)
2674 AC_SUBST(float_h_file)
2675 AC_SUBST(gcc_config_arguments)
2676 AC_SUBST(gcc_gxx_include_dir)
2677 AC_SUBST(libstdcxx_incdir)
2678 AC_SUBST(gcc_version)
2679 AC_SUBST(gcc_version_full)
2680 AC_SUBST(gcc_version_trigger)
2681 AC_SUBST(host_exeext)
2682 AC_SUBST(host_extra_gcc_objs)
2683 AC_SUBST(host_xm_file_list)
2684 AC_SUBST(host_xm_file)
2685 AC_SUBST(host_xm_defines)
2687 AC_SUBST(lang_options_files)
2688 AC_SUBST(lang_specs_files)
2689 AC_SUBST(lang_tree_files)
2690 AC_SUBST(local_prefix)
2692 AC_SUBST(objc_boehm_gc)
2694 AC_SUBST(out_object_file)
2695 AC_SUBST(stage_prefix_set_by_configure)
2696 AC_SUBST(quoted_stage_prefix_set_by_configure)
2697 AC_SUBST(symbolic_link)
2698 AC_SUBST(thread_file)
2699 AC_SUBST(tm_file_list)
2701 AC_SUBST(tm_defines)
2702 AC_SUBST(tm_p_file_list)
2705 AC_SUBST(xm_defines)
2706 AC_SUBST(target_alias)
2707 AC_SUBST(c_target_objs)
2708 AC_SUBST(cxx_target_objs)
2709 AC_SUBST(target_cpu_default)
2711 AC_SUBST_FILE(target_overrides)
2712 AC_SUBST_FILE(host_overrides)
2713 AC_SUBST_FILE(language_fragments)
2714 AC_SUBST_FILE(language_hooks)
2716 # Echo that links are built
2717 if test x$host = x$target
2725 if test x$host != x$build
2727 str3=" on a $build system"
2730 if test "x$str2" != x || test "x$str3" != x
2735 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2737 if test "x$str2" != x || test "x$str3" != x
2739 echo " ${str2}${str3}." 1>&2
2742 # Truncate the target if necessary
2743 if test x$host_truncate_target != x; then
2744 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2747 # Configure the subdirectories
2748 # AC_CONFIG_SUBDIRS($subdirs)
2750 # Create the Makefile
2751 # and configure language subdirectories
2752 AC_OUTPUT($all_outputs,
2754 case x$CONFIG_HEADERS in
2755 xauto-host.h:config.in)
2758 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2759 # bootstrapping and the installation procedure can still use
2760 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2761 # FLAGS_TO_PASS has been modified to solve the problem there.
2762 # This is virtually a duplicate of what happens in configure.lang; we do
2763 # an extra check to make sure this only happens if ln -s can be used.
2764 if test "$symbolic_link" = "ln -s"; then
2765 for d in .. ${subdirs} fixinc ; do
2766 if test $d != ..; then
2767 STARTDIR=`${PWDCMD-pwd}`
2769 for t in stage1 stage2 stage3 stage4 include
2772 $symbolic_link ../$t $t 2>/dev/null
2778 # Avoid having to add intl to our include paths.
2779 if test -f intl/libintl.h; then
2780 echo creating libintl.h
2781 echo '#include "intl/libintl.h"' >libintl.h
2785 symbolic_link='$symbolic_link'