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 if test x$float_format = x
802 then float_format=i64
805 if test $float_format = none
806 then float_h_file=Makefile.in
807 else float_h_file=float-$float_format.h
810 # Say what files are being used for the output code and MD file.
811 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
812 echo "Using \`$srcdir/config/$md_file' as machine description file."
814 # If any of the xm_file variables contain nonexistent files, warn
815 # about them and drop them.
818 for x in $build_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 $host_xm_file; do
828 if test -f $srcdir/config/$x
830 else AC_MSG_WARN($srcdir/config/$x does not exist.)
836 for x in $xm_file; do
837 if test -f $srcdir/config/$x
839 else AC_MSG_WARN($srcdir/config/$x does not exist.)
845 for f in $tm_file; do
848 if test $count = ax; then
849 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
851 echo "Using the following target machine macro files:"
852 for f in $tm_file; do
853 echo " $srcdir/config/$f"
858 for f in $host_xm_file; do
861 if test $count = a; then
863 elif test $count = ax; then
864 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
866 echo "Using the following host machine macro files:"
867 for f in $host_xm_file; do
868 echo " $srcdir/config/$f"
872 if test "$host_xm_file" != "$build_xm_file"; then
874 for f in $build_xm_file; do
877 if test $count = a; then
879 elif test $count = ax; then
880 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
882 echo "Using the following build machine macro files:"
883 for f in $build_xm_file; do
884 echo " $srcdir/config/$f"
889 if test x$thread_file = x; then
890 if test x$target_thread_file != x; then
891 thread_file=$target_thread_file
897 # Look for a file containing extra machine modes.
898 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
899 extra_modes_file='$(srcdir)'/config/${extra_modes}
900 AC_SUBST(extra_modes_file)
901 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
902 [Define to the name of a file containing a list of extra machine modes
903 for this architecture.])
904 AC_DEFINE(EXTRA_CC_MODES, 1,
905 [Define if the target architecture needs extra machine modes to represent
906 the results of comparisons.])
909 # auto-host.h is the file containing items generated by autoconf and is
910 # the first file included by config.h.
911 # If host=build, it is correct to have hconfig include auto-host.h
912 # as well. If host!=build, we are in error and need to do more
913 # work to find out the build config parameters.
914 if test x$host = x$build
916 build_auto=auto-host.h
919 # We create a subdir, then run autoconf in the subdir.
920 # To prevent recursion we set host and build for the new
921 # invocation of configure to the build for this invocation
928 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
929 *) realsrcdir=../${srcdir};;
931 saved_CFLAGS="${CFLAGS}"
932 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
933 ${realsrcdir}/configure \
934 --target=$target_alias --host=$build_alias --build=$build_alias
935 CFLAGS="${saved_CFLAGS}"
937 # We just finished tests for the build machine, so rename
938 # the file auto-build.h in the gcc directory.
939 mv auto-host.h ../auto-build.h
942 build_auto=auto-build.h
943 FORBUILD=../$build_alias
947 tm_file="${tm_file} defaults.h"
948 host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}"
949 build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}"
950 xm_file="ansidecl.h ${xm_file} ${tm_file}"
952 # Truncate the target if necessary
953 if test x$host_truncate_target != x; then
954 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
957 # Get the version trigger filename from the toplevel
958 if test "${with_gcc_version_trigger+set}" = set; then
959 gcc_version_trigger=$with_gcc_version_trigger
961 gcc_version_trigger=${srcdir}/version.c
964 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
965 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
967 # Compile in configure arguments.
968 if test -f configargs.h ; then
969 # Being re-configured.
970 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
971 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
973 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
975 cat > configargs.h <<EOF
976 /* Generated automatically. */
977 static const char configuration_arguments[] = "$gcc_config_arguments";
978 static const char thread_model[] = "$thread_file";
982 # Internationalization
984 VERSION="$gcc_version"
988 # Enable NLS support by default
990 [ --enable-nls use Native Language Support (default)],
993 # if cross compiling, disable NLS support.
994 # It's not worth the trouble, at least for now.
996 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
997 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
1003 # Windows32 Registry support for specifying GCC installation paths.
1004 AC_ARG_ENABLE(win32-registry,
1005 [ --disable-win32-registry
1006 disable lookup of installation paths in the
1007 Registry on Windows hosts
1008 --enable-win32-registry enable registry lookup (default)
1009 --enable-win32-registry=KEY
1010 use KEY instead of GCC version as the last portion
1011 of the registry key],,)
1013 win32 | pe | cygwin* | mingw32* | uwin*)
1014 AC_MSG_CHECKING(whether windows registry support is requested)
1015 if test "x$enable_win32_registry" != xno; then
1016 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1017 [Define to 1 if installation paths should be looked up in Windows32
1018 Registry. Ignored on non windows32 hosts.])
1020 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1025 # Check if user specified a different registry key.
1026 case "x${enable_win32_registry}" in
1029 gcc_cv_win32_registry_key="$VERSION"
1032 # no registry lookup.
1033 gcc_cv_win32_registry_key=''
1036 # user-specified key.
1037 gcc_cv_win32_registry_key="$enable_win32_registry"
1041 if test "x$enable_win32_registry" != xno; then
1042 AC_MSG_CHECKING(registry key on windows hosts)
1043 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1044 [Define to be the last portion of registry key on windows hosts.])
1045 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1050 # Get an absolute path to the GCC top-level source directory
1051 holddir=`${PWDCMD-pwd}`
1053 topdir=`${PWDCMD-pwd}`
1056 # Conditionalize the makefile for this host machine.
1057 # Make-host contains the concatenation of all host makefile fragments
1058 # [there can be more than one]. This file is built by configure.frag.
1059 host_overrides=Make-host
1060 dep_host_xmake_file=
1061 for f in .. ${host_xmake_file}
1063 if test -f ${srcdir}/config/$f
1065 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1069 # Conditionalize the makefile for this target machine.
1070 # Make-target contains the concatenation of all host makefile fragments
1071 # [there can be more than one]. This file is built by configure.frag.
1072 target_overrides=Make-target
1074 for f in .. ${tmake_file}
1076 if test -f ${srcdir}/config/$f
1078 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1082 # If the host doesn't support symlinks, modify CC in
1083 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1084 # Otherwise, we can use "CC=$(CC)".
1086 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1088 cc_set_by_configure="\$(CC)"
1089 quoted_cc_set_by_configure="\$(CC)"
1090 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1091 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1094 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1096 symbolic_link="cp -p"
1100 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1101 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1102 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1103 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1107 out_object_file=`basename $out_file .c`.o
1110 for f in $tm_file; do
1113 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1115 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1116 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1121 for f in $tm_p_file; do
1122 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1126 for f in $host_xm_file; do
1129 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1131 host_xm_file_list="${host_xm_file_list} $f" ;;
1133 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1134 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1139 for f in $build_xm_file; do
1142 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1143 auto-build.h | auto-host.h )
1144 build_xm_file_list="${build_xm_file_list} $f" ;;
1146 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1147 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1151 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1152 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1153 CROSS= AC_SUBST(CROSS)
1154 ALL=all.internal AC_SUBST(ALL)
1155 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1156 if test x$host != x$target
1158 CROSS="-DCROSS_COMPILE"
1160 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1161 case "$host","$target" in
1162 i?86-*-*,x86_64-*-* \
1163 | powerpc*-*-*,powerpc64*-*-*)
1164 CROSS="$CROSS -DNATIVE_CROSS" ;;
1168 # If this is a cross-compiler that does not
1169 # have its own set of headers then define
1172 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1173 # This prevents libgcc2 from containing any code which requires libc
1176 if [test x$host != x$target] && [test x$with_headers = x]; then
1177 inhibit_libc=-Dinhibit_libc
1179 if [test x$with_newlib = xyes]; then
1180 inhibit_libc=-Dinhibit_libc
1183 AC_SUBST(inhibit_libc)
1185 # When building gcc with a cross-compiler, we need to adjust things so
1186 # that the generator programs are still built with the native compiler.
1187 # Also, we cannot run fixincludes or fix-header.
1188 # Note that the terminology here is wrong; it should be BUILD_* throughout.
1191 # These are the normal (build=host) settings:
1192 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1193 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1194 HOST_CC='$(CC)' AC_SUBST(HOST_CC)
1195 HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
1197 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1198 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1200 # And these apply if build != host.
1201 if test x$build != x$host
1204 BUILD_PREFIX_1=build-
1205 HOST_CC='$(CC_FOR_BUILD)'
1206 HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1212 # Expand extra_headers to include complete path.
1213 # This substitutes for lots of t-* files.
1215 if test "x$extra_headers" = x
1218 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1219 for file in $extra_headers;
1221 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1225 if test x$use_collect2 = xno; then
1229 # Add a definition of USE_COLLECT2 if system wants one.
1230 if test x$use_collect2 != x
1232 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1233 xm_defines="${xm_defines} USE_COLLECT2"
1236 # If we have gas in the build tree, make a link to it.
1237 if test -f ../gas/Makefile; then
1238 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1241 # If we have nm and objdump in the build tree, make a link to them.
1242 if test -f ../binutils/Makefile; then
1243 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1244 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1247 # If we have ld in the build tree, make a link to it.
1248 if test -f ../ld/Makefile; then
1249 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1252 # Figure out what assembler we will be using.
1253 AC_MSG_CHECKING(what assembler to use)
1255 gcc_cv_gas_major_version=
1256 gcc_cv_gas_minor_version=
1257 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1258 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1259 if test -x "$DEFAULT_ASSEMBLER"; then
1260 gcc_cv_as="$DEFAULT_ASSEMBLER"
1261 elif test -x "$AS"; then
1263 elif test -x as$host_exeext; then
1264 # Build using assembler in the current directory.
1265 gcc_cv_as=./as$host_exeext
1266 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1267 # Single tree build which includes gas.
1268 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
1271 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1273 if test x$gcc_cv_gas_version != x; then
1278 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1279 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1280 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1284 if test "x$gcc_cv_as" = x; then
1285 # Search the same directories that the installed compiler will
1286 # search. Else we may find the wrong assembler and lose. If we
1287 # do not find a suitable assembler binary, then try the user's
1290 # Also note we have to check MD_EXEC_PREFIX before checking the
1291 # user's path. Unfortunately, there is no good way to get at the
1292 # value of MD_EXEC_PREFIX here. So we do a brute force search
1293 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1294 # to be fixed as part of the make/configure rewrite too.
1296 if test "x$exec_prefix" = xNONE; then
1297 if test "x$prefix" = xNONE; then
1298 test_prefix=/usr/local
1303 test_prefix=$exec_prefix
1306 # If the loop below does not find an assembler, then use whatever
1307 # one we can find in the users's path.
1309 if test "x$program_prefix" != xNONE; then
1310 gcc_cv_as=${program_prefix}as$host_exeext
1312 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1315 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1316 $test_prefix/lib/gcc-lib/$target_alias \
1317 /usr/lib/gcc/$target_alias/$gcc_version \
1318 /usr/lib/gcc/$target_alias \
1319 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1320 $test_prefix/$target_alias/bin"
1322 if test x$host = x$target; then
1323 test_dirs="$test_dirs \
1328 /bsd43/usr/lib/cmplrs/cc \
1329 /usr/cross64/usr/bin \
1330 /usr/lib/cmplrs/cc \
1331 /sysv/usr/lib/cmplrs/cc \
1332 /svr4/usr/lib/cmplrs/cc \
1336 for dir in $test_dirs; do
1337 if test -x $dir/as$host_exeext; then
1338 gcc_cv_as=$dir/as$host_exeext
1343 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1344 AC_MSG_RESULT("newly built gas")
1346 AC_MSG_RESULT($gcc_cv_as)
1349 # Figure out what linker we will be using.
1350 AC_MSG_CHECKING(what linker to use)
1352 gcc_cv_gld_major_version=
1353 gcc_cv_gld_minor_version=
1354 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1355 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1356 if test -x "$DEFAULT_LINKER"; then
1357 gcc_cv_ld="$DEFAULT_LINKER"
1358 elif test -x "$LD"; then
1360 elif test -x ld$host_exeext; then
1361 # Build using linker in the current directory.
1362 gcc_cv_ld=./ld$host_exeext
1363 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1364 # Single tree build which includes ld.
1365 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
1368 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1370 if test x$gcc_cv_gld_version != x; then
1375 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1376 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1380 if test "x$gcc_cv_ld" = x; then
1381 # Search the same directories that the installed compiler will
1382 # search. Else we may find the wrong linker and lose. If we
1383 # do not find a suitable linker binary, then try the user's
1386 # Also note we have to check MD_EXEC_PREFIX before checking the
1387 # user's path. Unfortunately, there is no good way to get at the
1388 # value of MD_EXEC_PREFIX here. So we do a brute force search
1389 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1390 # to be fixed as part of the make/configure rewrite too.
1392 if test "x$exec_prefix" = xNONE; then
1393 if test "x$prefix" = xNONE; then
1394 test_prefix=/usr/local
1399 test_prefix=$exec_prefix
1402 # If the loop below does not find an linker, then use whatever
1403 # one we can find in the users's path.
1405 if test "x$program_prefix" != xNONE; then
1406 gcc_cv_ld=${program_prefix}ld$host_exeext
1408 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1411 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1412 $test_prefix/lib/gcc-lib/$target_alias \
1413 /usr/lib/gcc/$target_alias/$gcc_version \
1414 /usr/lib/gcc/$target_alias \
1415 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1416 $test_prefix/$target_alias/bin"
1418 if test x$host = x$target; then
1419 test_dirs="$test_dirs \
1424 /bsd43/usr/lib/cmplrs/cc \
1425 /usr/cross64/usr/bin \
1426 /usr/lib/cmplrs/cc \
1427 /sysv/usr/lib/cmplrs/cc \
1428 /svr4/usr/lib/cmplrs/cc \
1432 for dir in $test_dirs; do
1433 if test -x $dir/ld$host_exeext; then
1434 gcc_cv_ld=$dir/ld$host_exeext
1439 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1440 AC_MSG_RESULT("newly built ld")
1442 AC_MSG_RESULT($gcc_cv_ld)
1445 # Figure out what nm we will be using.
1446 AC_MSG_CHECKING(what nm to use)
1447 if test -x nm$host_exeext; then
1448 gcc_cv_nm=./nm$host_exeext
1449 elif test "x$program_prefix" != xNONE; then
1450 gcc_cv_nm=${program_prefix}nm$host_exeext
1452 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1454 AC_MSG_RESULT($gcc_cv_nm)
1456 # Figure out what objdump we will be using.
1457 AC_MSG_CHECKING(what objdump to use)
1458 if test -x objdump$host_exeext; then
1459 gcc_cv_objdump=./objdump$host_exeext
1460 elif test "x$program_prefix" != xNONE; then
1461 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1463 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1465 AC_MSG_RESULT($gcc_cv_objdump)
1467 # Figure out what assembler alignment features are present.
1468 AC_MSG_CHECKING(assembler alignment features)
1469 gcc_cv_as_alignment_features=none
1470 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1471 # Gas version 2.6 and later support for .balign and .p2align.
1472 # bytes to skip when using .p2align.
1473 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1474 gcc_cv_as_alignment_features=".balign and .p2align"
1475 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1477 # Gas version 2.8 and later support specifying the maximum
1478 # bytes to skip when using .p2align.
1479 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1480 gcc_cv_as_alignment_features=".p2align including maximum skip"
1481 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1483 elif test x$gcc_cv_as != x; then
1484 # Check if we have .balign and .p2align
1485 echo ".balign 4" > conftest.s
1486 echo ".p2align 2" >> conftest.s
1487 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1488 gcc_cv_as_alignment_features=".balign and .p2align"
1489 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1491 rm -f conftest.s conftest.o
1492 # Check if specifying the maximum bytes to skip when
1493 # using .p2align is supported.
1494 echo ".p2align 4,,7" > conftest.s
1495 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1496 gcc_cv_as_alignment_features=".p2align including maximum skip"
1497 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1499 rm -f conftest.s conftest.o
1501 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1503 AC_MSG_CHECKING(assembler subsection support)
1504 gcc_cv_as_subsections=no
1505 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1506 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1507 gcc_cv_as_subsections="working .subsection -1"
1509 elif test x$gcc_cv_as != x; then
1510 # Check if we have .subsection
1511 echo ".subsection 1" > conftest.s
1512 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1513 gcc_cv_as_subsections=".subsection"
1514 if test x$gcc_cv_nm != x; then
1515 cat > conftest.s <<EOF
1516 conftest_label1: .word 0
1518 conftest_label2: .word 0
1521 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1522 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1523 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1524 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1527 gcc_cv_as_subsections="working .subsection -1"
1532 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1534 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1535 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1536 [Define if your assembler supports .subsection and .subsection -1 starts
1537 emitting at the beginning of your section.])
1539 AC_MSG_RESULT($gcc_cv_as_subsections)
1541 AC_MSG_CHECKING(assembler weak support)
1543 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1544 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1545 gcc_cv_as_weak="yes"
1547 elif test x$gcc_cv_as != x; then
1548 # Check if we have .weak
1549 echo " .weak foobar" > conftest.s
1550 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1551 gcc_cv_as_weak="yes"
1553 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1555 if test x"$gcc_cv_as_weak" = xyes; then
1556 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1558 AC_MSG_RESULT($gcc_cv_as_weak)
1560 AC_MSG_CHECKING(assembler hidden support)
1562 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1563 if test "$gcc_cv_gas_major_version" -eq 2 \
1564 -a "$gcc_cv_gas_minor_version" -eq 12 \
1565 -a "$gcc_cv_gas_patch_version" -ge 1 \
1566 -o "$gcc_cv_gas_major_version" -eq 2 \
1567 -a "$gcc_cv_gas_minor_version" -gt 12 \
1568 -o "$gcc_cv_gas_major_version" -gt 2 \
1569 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1570 gcc_cv_as_hidden="yes"
1572 elif test x$gcc_cv_as != x; then
1573 # Check if we have .hidden
1574 echo " .hidden foobar" > conftest.s
1575 echo "foobar:" >> conftest.s
1576 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1577 gcc_cv_as_hidden="yes"
1579 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1581 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1582 # This is irritatingly difficult to feature test for. Look for
1583 # the date string after the version number.
1584 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1585 if echo "$ld_ver" | grep GNU > /dev/null; then
1587 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1588 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1589 if test 0"$ld_date" -lt 20020404; then
1590 if test -n "$ld_date"; then
1591 # If there was date string, but was earlier than 2002-04-04, fail
1592 gcc_cv_as_hidden="no"
1593 elif test -z "$ld_vers"; then
1594 # If there was no date string nor ld version number, something is wrong
1595 gcc_cv_as_hidden="no"
1597 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1598 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1599 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1600 test -z "$ld_vers_patch" && ld_vers_patch=0
1601 if test "$ld_vers_major" -lt 2; then
1602 gcc_cv_as_hidden="no"
1603 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1604 gcc_cv_as_hidden="no"
1605 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1606 -a "$ld_vers_patch" -eq 0; then
1607 gcc_cv_as_hidden="no"
1614 if test x"$gcc_cv_as_hidden" = xyes; then
1615 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1616 [Define if your assembler supports .hidden.])
1618 AC_MSG_RESULT($gcc_cv_as_hidden)
1619 libgcc_visibility=$gcc_cv_as_hidden
1622 if test x"$gnu_ld_flag" = x"no"; then
1623 # Even if using gas with .hidden support, the resulting object files
1624 # cannot be linked with the IRIX 6 O32 linker.
1625 libgcc_visibility=no
1629 AC_SUBST(libgcc_visibility)
1631 AC_MSG_CHECKING(assembler leb128 support)
1633 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1634 if test "$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
1635 gcc_cv_as_leb128="yes"
1637 elif test x$gcc_cv_as != x; then
1638 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1639 cat > conftest.s <<EOF
1647 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1648 gcc_cv_as_leb128="yes"
1650 # GAS versions before 2.11 do not support uleb128,
1651 # despite appearing to.
1652 # ??? There exists an elf-specific test that will crash
1653 # the assembler. Perhaps it's better to figure out whether
1654 # arbitrary sections are supported and try the test.
1655 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1656 if echo "$as_ver" | grep GNU > /dev/null; then
1658 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1659 as_major=`echo $as_ver | sed 's/\..*//'`
1660 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1662 if test $as_major -eq 2 -a $as_minor -lt 11; then
1663 gcc_cv_as_leb128="no"
1667 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1669 if test x"$gcc_cv_as_leb128" = xyes; then
1670 AC_DEFINE(HAVE_AS_LEB128, 1,
1671 [Define if your assembler supports .uleb128.])
1673 AC_MSG_RESULT($gcc_cv_as_leb128)
1675 AC_MSG_CHECKING(assembler eh_frame optimization)
1676 gcc_cv_as_eh_frame=no
1677 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1678 if test "$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
1679 gcc_cv_as_eh_frame="yes"
1681 elif test x$gcc_cv_as != x; then
1682 # Check if this is GAS.
1683 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1684 rm -f a.out 2> /dev/null
1685 if echo "$as_ver" | grep GNU > /dev/null; then
1686 # Versions up to and including 2.11.0 may mis-optimize
1687 # .eh_frame data. Try something.
1688 cat > conftest.s <<EOF
1695 .section .eh_frame,"aw",@progbits
1697 .4byte .LECIE1-.LSCIE1
1711 .4byte .LEFDE1-.LASFDE1
1713 .4byte .LASFDE1-__FRAME_BEGIN__
1722 cat > conftest.lit <<EOF
1723 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1724 0010 01000000 12000000 18000000 00000000 ................
1725 0020 08000000 04080000 0044 .........D
1727 cat > conftest.big <<EOF
1728 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1729 0010 00000001 00000012 00000018 00000000 ................
1730 0020 00000008 04000000 0844 .........D
1732 # If the assembler didn't choke, and we can objdump,
1733 # and we got the correct data, then succeed.
1734 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1735 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1736 | tail -3 > conftest.got \
1737 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1738 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1740 gcc_cv_as_eh_frame="yes"
1742 gcc_cv_as_eh_frame="bad"
1743 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1744 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1745 [Define if your assembler mis-optimizes .eh_frame data.])
1751 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1753 AC_MSG_CHECKING(assembler section merging support)
1754 gcc_cv_as_shf_merge=no
1755 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1756 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1757 gcc_cv_as_shf_merge=yes
1759 elif test x$gcc_cv_as != x; then
1760 # Check if we support SHF_MERGE sections
1761 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1762 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1763 gcc_cv_as_shf_merge=yes
1765 rm -f conftest.s conftest.o
1767 if test x"$gcc_cv_as_shf_merge" = xyes; then
1768 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1769 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1771 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1773 AC_MSG_CHECKING(assembler thread-local storage support)
1782 .section ".tdata","awT",@progbits
1785 ldq $27,__tls_get_addr($29) !literal!1
1786 lda $16,foo($29) !tlsgd!1
1787 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1788 ldq $27,__tls_get_addr($29) !literal!2
1789 lda $16,foo($29) !tlsldm!2
1790 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1791 ldq $1,foo($29) !gotdtprel
1792 ldah $2,foo($29) !dtprelhi
1793 lda $3,foo($2) !dtprello
1794 lda $4,foo($29) !dtprel
1795 ldq $1,foo($29) !gottprel
1796 ldah $2,foo($29) !tprelhi
1797 lda $3,foo($2) !tprello
1798 lda $4,foo($29) !tprel'
1805 .section ".tdata","awT",@progbits
1809 leal foo@TLSGD(,%ebx,1), %eax
1810 leal foo@TLSLDM(%ebx), %eax
1811 leal foo@DTPOFF(%eax), %edx
1812 movl foo@GOTTPOFF(%ebx), %eax
1813 subl foo@GOTTPOFF(%ebx), %eax
1814 movl $foo@TPOFF, %eax
1815 subl $foo@TPOFF, %eax
1816 leal foo@NTPOFF(%ecx), %eax'
1822 .section ".tdata","awT",@progbits
1825 addl r16 = @ltoff(@dtpmod(foo#)), gp
1826 addl r17 = @ltoff(@dtprel(foo#)), gp
1827 addl r18 = @ltoff(@tprel(foo#)), gp
1828 addl r19 = @dtprel(foo#), gp
1829 adds r21 = @dtprel(foo#), r13
1830 movl r23 = @dtprel(foo#)
1831 addl r20 = @tprel(foo#), gp
1832 adds r22 = @tprel(foo#), r13
1833 movl r24 = @tprel(foo#)'
1838 if test -z "$tls_first_major"; then
1840 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1842 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1843 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1844 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1847 elif test x$gcc_cv_as != x; then
1848 echo "$conftest_s" > conftest.s
1849 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1853 rm -f conftest.s conftest.o
1855 if test "$gcc_cv_as_tls" = yes; then
1856 AC_DEFINE(HAVE_AS_TLS, 1,
1857 [Define if your assembler supports thread-local storage.])
1859 AC_MSG_RESULT($gcc_cv_as_tls)
1862 # All TARGET_ABI_OSF targets.
1863 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1864 AC_CACHE_CHECK([assembler supports explicit relocations],
1865 gcc_cv_as_explicit_relocs, [
1866 gcc_cv_as_explicit_relocs=unknown
1867 if test x$gcc_cv_gas_major_version != x \
1868 -a x$gcc_cv_gas_minor_version != x
1870 if test "$gcc_cv_gas_major_version" -eq 2 \
1871 -a "$gcc_cv_gas_minor_version" -ge 12 \
1872 -o "$gcc_cv_gas_major_version" -gt 2; then
1873 gcc_cv_as_explicit_relocs=yes
1875 elif test x$gcc_cv_as != x; then
1876 cat > conftest.s << 'EOF'
1879 extbl $3, $2, $3 !lituse_bytoff!1
1880 ldq $2, a($29) !literal!1
1881 ldq $4, b($29) !literal!2
1882 ldq_u $3, 0($2) !lituse_base!1
1883 ldq $27, f($29) !literal!5
1884 jsr $26, ($27), f !lituse_jsr!5
1885 ldah $29, 0($26) !gpdisp!3
1886 lda $0, c($29) !gprel
1887 ldah $1, d($29) !gprelhigh
1888 lda $1, d($1) !gprellow
1889 lda $29, 0($29) !gpdisp!3
1891 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1892 gcc_cv_as_explicit_relocs=yes
1894 gcc_cv_as_explicit_relocs=no
1896 rm -f conftest.s conftest.o
1899 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1900 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1901 [Define if your assembler supports explicit relocations.])
1905 AC_CACHE_CHECK([assembler .register pseudo-op support],
1906 gcc_cv_as_register_pseudo_op, [
1907 gcc_cv_as_register_pseudo_op=unknown
1908 if test x$gcc_cv_as != x; then
1909 # Check if we have .register
1910 echo ".register %g2, #scratch" > conftest.s
1911 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1912 gcc_cv_as_register_pseudo_op=yes
1914 gcc_cv_as_register_pseudo_op=no
1916 rm -f conftest.s conftest.o
1919 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1920 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1921 [Define if your assembler supports .register.])
1924 AC_CACHE_CHECK([assembler supports -relax],
1925 gcc_cv_as_relax_opt, [
1926 gcc_cv_as_relax_opt=unknown
1927 if test x$gcc_cv_as != x; then
1928 # Check if gas supports -relax
1929 echo ".text" > conftest.s
1930 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1931 gcc_cv_as_relax_opt=yes
1933 gcc_cv_as_relax_opt=no
1935 rm -f conftest.s conftest.o
1938 if test "x$gcc_cv_as_relax_opt" = xyes; then
1939 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1940 [Define if your assembler supports -relax option.])
1943 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
1944 gcc_cv_as_sparc_ua_pcrel, [
1945 gcc_cv_as_sparc_ua_pcrel=unknown
1946 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
1947 gcc_cv_as_sparc_ua_pcrel=no
1948 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
1949 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1950 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
1951 gcc_cv_as_sparc_ua_pcrel=yes
1953 rm -f conftest.s conftest.o conftest
1956 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1957 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
1958 [Define if your assembler and linker support unaligned PC relative relocs.])
1961 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
1962 gcc_cv_as_sparc_ua_pcrel_hidden, [
1963 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1964 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
1965 if test x$gcc_cv_objdump != x; then
1966 gcc_cv_as_sparc_ua_pcrel_hidden=no
1967 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
1968 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
1969 echo "foo: .skip 4" >> conftest.s
1970 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1971 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
1972 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
1973 | grep ' 31000000 07323334' > /dev/null 2>&1; then
1974 if $gcc_cv_objdump -R conftest 2> /dev/null \
1975 | grep 'DISP32' > /dev/null 2>&1; then
1978 gcc_cv_as_sparc_ua_pcrel_hidden=yes
1982 rm -f conftest.s conftest.o conftest
1984 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
1987 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
1988 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
1989 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
1992 if test "x$gcc_cv_as_flags64" != xno; then
1993 AC_CACHE_CHECK([for assembler offsetable %lo() support],
1994 gcc_cv_as_offsetable_lo10, [
1995 gcc_cv_as_offsetable_lo10=unknown
1996 if test "x$gcc_cv_as" != x; then
1997 # Check if assembler has offsetable %lo()
1998 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
1999 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
2000 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
2002 $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
2003 > /dev/null 2>&1; then
2004 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2005 gcc_cv_as_offsetable_lo10=no
2007 gcc_cv_as_offsetable_lo10=yes
2010 gcc_cv_as_offsetable_lo10=no
2012 rm -f conftest.s conftest.o conftest1.s conftest1.o
2015 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2016 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2017 [Define if your assembler supports offsetable %lo().])
2024 i[34567]86-*-* | x86_64-*-*)
2026 AC_MSG_CHECKING(assembler instructions)
2027 gcc_cv_as_instructions=
2028 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2029 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2030 gcc_cv_as_instructions="filds fists"
2032 elif test x$gcc_cv_as != x; then
2033 set "filds fists" "filds mem; fists mem"
2036 echo "$2" > conftest.s
2037 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2038 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2042 rm -f conftest.s conftest.o
2044 if test x"$gcc_cv_as_instructions" != x; then
2045 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2047 AC_MSG_RESULT($gcc_cv_as_instructions)
2049 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2050 gcc_cv_as_gotoff_in_data=no
2051 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2053 if test "$gcc_cv_gas_major_version" -eq 2 \
2054 -a "$gcc_cv_gas_minor_version" -ge 11 \
2055 -o "$gcc_cv_gas_major_version" -gt 2; then
2056 gcc_cv_as_gotoff_in_data=yes
2058 elif test x$gcc_cv_as != x; then
2059 cat > conftest.s <<EOF
2066 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2067 gcc_cv_as_gotoff_in_data=yes
2070 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2071 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2072 [Define true if the assembler supports '.long foo@GOTOFF'.])
2073 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2077 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2078 gcc_cv_as_dwarf2_debug_line=no
2079 # ??? Not all targets support dwarf2 debug_line, even within a version
2080 # of gas. Moreover, we need to emit a valid instruction to trigger any
2081 # info to the output file. So, as supported targets are added to gas 2.11,
2082 # add some instruction here to (also) show we expect this might work.
2083 # ??? Once 2.11 is released, probably need to add first known working
2084 # version to the per-target configury.
2086 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-* | hppa*-*-*)
2093 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2095 if test "$gcc_cv_gas_major_version" -eq 2 \
2096 -a "$gcc_cv_gas_minor_version" -ge 11 \
2097 -o "$gcc_cv_gas_major_version" -gt 2 \
2098 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2099 && test x"$insn" != x ; then
2100 gcc_cv_as_dwarf2_debug_line="yes"
2102 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2103 echo ' .file 1 "conftest.s"' > conftest.s
2104 echo ' .loc 1 3 0' >> conftest.s
2105 echo " $insn" >> conftest.s
2106 # ??? This fails with non-gnu grep.
2107 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2108 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2109 # The .debug_line file table must be in the exact order that
2110 # we specified the files, since these indices are also used
2111 # by DW_AT_decl_file. Approximate this test by testing if
2112 # the assembler bitches if the same index is assigned twice.
2113 echo ' .file 1 "foo.s"' > conftest.s
2114 echo ' .file 1 "bar.s"' >> conftest.s
2115 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2117 gcc_cv_as_dwarf2_debug_line="no"
2119 gcc_cv_as_dwarf2_debug_line="yes"
2122 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2124 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2125 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2126 [Define if your assembler supports dwarf2 .file/.loc directives,
2127 and preserves file table indices exactly as given.])
2129 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2131 AC_MSG_CHECKING(assembler --gdwarf2 support)
2132 gcc_cv_as_gdwarf2_flag=no
2133 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2135 if test "$gcc_cv_gas_major_version" -eq 2 \
2136 -a "$gcc_cv_gas_minor_version" -ge 11 \
2137 -o "$gcc_cv_gas_major_version" -gt 2 \
2138 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2139 && test x"$insn" != x ; then
2140 gcc_cv_as_gdwarf2_flag="yes"
2142 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2143 echo '' > conftest.s
2144 # ??? This fails with non-gnu grep.
2145 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2147 gcc_cv_as_gdwarf2_flag="yes"
2149 rm -f conftest.s conftest.o
2151 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2152 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2153 [Define if your assembler supports the --gdwarf2 option.])
2155 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2157 AC_MSG_CHECKING(assembler --gstabs support)
2158 gcc_cv_as_gstabs_flag=no
2159 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2161 if test "$gcc_cv_gas_major_version" -eq 2 \
2162 -a "$gcc_cv_gas_minor_version" -ge 11 \
2163 -o "$gcc_cv_gas_major_version" -gt 2 \
2164 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2165 && test x"$insn" != x ; then
2166 gcc_cv_as_gstabs_flag="yes"
2168 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2169 echo '' > conftest.s
2170 # ??? This fails with non-gnu grep.
2171 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2172 gcc_cv_as_gstabs_flag="yes"
2174 rm -f conftest.s conftest.o
2176 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2177 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2178 [Define if your assembler supports the --gstabs option.])
2180 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2182 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2183 gcc_cv_ld_eh_frame_hdr=no
2184 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2185 if test "$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
2186 gcc_cv_ld_eh_frame_hdr=yes
2188 elif test x$gcc_cv_ld != x; then
2189 # Check if linker supports --eh-frame-hdr option
2190 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2191 gcc_cv_ld_eh_frame_hdr=yes
2194 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2195 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2196 [Define if your linker supports --eh-frame-hdr option.])
2198 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2200 # Miscellaneous target-specific checks.
2203 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2204 gcc_cv_mips_libgloss_startup=no
2205 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2206 if test "x$exec_prefix" = xNONE; then
2207 if test "x$prefix" = xNONE; then
2208 test_prefix=/usr/local
2213 test_prefix=$exec_prefix
2215 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2217 if grep '^STARTUP' $f > /dev/null 2>&1; then
2218 gcc_cv_mips_libgloss_startup=yes
2222 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2223 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2224 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2226 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2230 if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2231 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2234 # Figure out what language subdirectories are present.
2235 # Look if the user specified --enable-languages="..."; if not, use
2236 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2238 # NB: embedded tabs in this IF block -- do not untabify
2239 if test x"${enable_languages+set}" != xset; then
2240 if test x"${LANGUAGES+set}" = xset; then
2241 enable_languages="${LANGUAGES}"
2242 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2245 enable_languages=all
2248 if test x"${enable_languages}" = x \
2249 || test x"${enable_languages}" = xyes;
2251 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2254 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2256 # First scan to see if an enabled language requires some other language.
2257 # We assume that a given config-lang.in will list all the language
2258 # front ends it requires, even if some are required indirectly.
2259 for lang in ${srcdir}/*/config-lang.in ..
2264 # The odd quoting in the next line works around
2265 # an apparent bug in bash 1.12 on linux.
2267 ${srcdir}/[*]/config-lang.in)
2270 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2271 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2272 for other in $this_lang_requires
2274 case ,${enable_languages}, in
2280 enable_languages="$enable_languages,$other"
2289 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2292 for lang in ${srcdir}/*/config-lang.in ..
2296 # The odd quoting in the next line works around
2297 # an apparent bug in bash 1.12 on linux.
2299 ${srcdir}/[*]/config-lang.in) ;;
2301 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2302 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2303 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2304 if test "x$lang_alias" = x
2306 echo "$lang doesn't set \$language." 1>&2
2309 case ${build_by_default},${enable_languages}, in
2310 *,$lang_alias,*) add_this_lang=yes ;;
2311 no,*) add_this_lang=no ;;
2312 *,all,*) add_this_lang=yes ;;
2313 *) add_this_lang=no ;;
2315 found_languages="${found_languages} ${lang_alias}"
2316 if test x"${add_this_lang}" = xyes; then
2318 ${srcdir}/ada/config-lang.in)
2319 if test x$have_gnat = xyes ; then
2320 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2324 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2334 for expected_language in ${expected_languages} ..
2336 if test "${expected_language}" != ..; then
2337 missing_language="${expected_language}"
2338 if test "${expected_language}" = "c" \
2339 || test "${expected_language}" = "all"; then
2342 for found_language in ${found_languages} ..
2344 if test "${found_language}" != ..; then
2345 if test "${expected_language}" = "${found_language}"; then
2350 if test "x${missing_language}" != x; then
2351 missing_languages="${missing_languages} ${missing_language}"
2356 if test "x$missing_languages" != x; then
2358 The following requested languages were not found:${missing_languages}
2359 The following languages were available: c${found_languages}])
2362 # Make gthr-default.h if we have a thread file.
2364 if test $thread_file != single; then
2365 rm -f gthr-default.h
2366 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2367 gthread_flags=-DHAVE_GTHR_DEFAULT
2369 AC_SUBST(gthread_flags)
2371 # Find out what GC implementation we want, or may, use.
2373 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2380 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2385 echo "Using $GGC for garbage collection."
2387 # Use the system's zlib library.
2389 zlibinc="-I\$(srcdir)/../zlib"
2390 AC_ARG_WITH(system-zlib,
2391 [ --with-system-zlib use installed libz],
2398 dnl Very limited version of automake's enable-maintainer-mode
2400 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2401 dnl maintainer-mode is disabled by default
2402 AC_ARG_ENABLE(maintainer-mode,
2403 [ --enable-maintainer-mode
2404 enable make rules and dependencies not useful
2405 (and sometimes confusing) to the casual installer],
2406 maintainer_mode=$enableval,
2409 AC_MSG_RESULT($maintainer_mode)
2411 if test "$maintainer_mode" = "yes"; then
2418 # With Setjmp/Longjmp based exception handling.
2419 AC_ARG_ENABLE(sjlj-exceptions,
2420 [ --enable-sjlj-exceptions
2421 arrange to use setjmp/longjmp exception handling],
2422 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
2423 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
2424 [Define 0/1 to force the choice for exception handling model.])])
2426 # Use libunwind based exception handling.
2427 AC_ARG_ENABLE(libunwind-exceptions,
2428 [ --enable-libunwind-exceptions force use libunwind for exceptions],
2429 use_libunwind_exceptions=$enableval,
2430 use_libunwind_exceptions=no)
2431 if test x"$use_libunwind_exceptions" = xyes; then
2432 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
2433 [Define if gcc should use -lunwind.])
2436 # Make empty files to contain the specs and options for each language.
2437 # Then add #include lines to for a compiler that has specs and/or options.
2442 for subdir in . $subdirs
2444 if test -f $srcdir/$subdir/lang-specs.h; then
2445 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2447 if test -f $srcdir/$subdir/lang-options.h; then
2448 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2450 if test -f $srcdir/$subdir/$subdir-tree.def; then
2451 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2455 # These (without "all_") are set in each config-lang.in.
2456 # `language' must be a single word so is spelled singularly.
2461 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2462 # List of language makefile fragments.
2464 # Files for gengtype
2465 all_gtfiles="$target_gtfiles"
2466 # Files for gengtype with language
2467 all_gtfiles_files_langs=
2468 all_gtfiles_files_files=
2470 # Add the language fragments.
2471 # Languages are added via two mechanisms. Some information must be
2472 # recorded in makefile variables, these are defined in config-lang.in.
2473 # We accumulate them and plug them into the main Makefile.
2474 # The other mechanism is a set of hooks for each of the main targets
2475 # like `clean', `install', etc.
2477 language_fragments="Make-lang"
2478 language_hooks="Make-hooks"
2480 for s in .. $subdirs
2490 . ${srcdir}/$s/config-lang.in
2491 if test "x$language" = x
2493 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2496 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2497 if test -f ${srcdir}/$s/Makefile.in
2498 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2500 all_languages="$all_languages $language"
2501 if test "x$boot_language" = xyes
2503 all_boot_languages="$all_boot_languages $language"
2505 all_compilers="$all_compilers $compilers"
2506 all_stagestuff="$all_stagestuff $stagestuff"
2507 all_outputs="$all_outputs $outputs"
2508 all_gtfiles="$all_gtfiles $gtfiles"
2509 for f in .. $gtfiles
2513 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2514 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2520 # Pick up gtfiles for c
2523 . ${srcdir}/c-config-lang.in
2524 all_gtfiles="$all_gtfiles $gtfiles"
2525 for f in .. $gtfiles
2529 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2530 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2535 for language in .. $all_languages
2537 if test $language != ".."
2539 check_languages="$check_languages check-$language"
2543 # Since we can't use `::' targets, we link each language in
2544 # with a set of hooks, reached indirectly via lang.${target}.
2548 target_list="all.build all.cross start.encap rest.encap \
2549 info dvi generated-manpages \
2550 install-normal install-common install-info install-man \
2552 mostlyclean clean distclean extraclean maintainer-clean \
2553 stage1 stage2 stage3 stage4"
2554 for t in $target_list
2557 for lang in .. $all_languages
2559 if test $lang != ".."; then
2563 echo "lang.$t: $x" >> Make-hooks
2568 echo "dir ." > .gdbinit
2569 echo "dir ${srcdir}" >> .gdbinit
2570 if test x$gdb_needs_out_file_path = xyes
2572 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2574 if test "x$subdirs" != x; then
2577 echo "dir ${srcdir}/$s" >> .gdbinit
2580 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2582 # Define variables host_canonical and build_canonical
2583 # because some Cygnus local changes in the Makefile depend on them.
2584 build_canonical=${build}
2585 host_canonical=${host}
2587 if test "${host}" != "${target}" ; then
2588 target_subdir=${target_alias}/
2590 AC_SUBST(build_canonical)
2591 AC_SUBST(host_canonical)
2592 AC_SUBST(target_subdir)
2594 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2595 # absolute path for gcc_tooldir based on inserting the number of up-directory
2596 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2597 # $(libsubdir)/@(unlibsubdir) based path.
2598 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2599 # make and thus we'd get different behavior depending on where we built the
2601 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2602 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2604 changequote(<<, >>)dnl
2605 # An explanation of the sed strings:
2606 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2607 # -e 's|/$||' match a trailing forward slash and eliminates it
2608 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2609 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2611 # (*) Note this pattern overwrites the first character of the string
2612 # with a forward slash if one is not already present. This is not a
2613 # problem because the exact names of the sub-directories concerned is
2614 # unimportant, just the number of them matters.
2616 # The practical upshot of these patterns is like this:
2618 # prefix exec_prefix result
2619 # ------ ----------- ------
2621 # /foo/ /foo/bar ../
2622 # /foo /foo/bar/ ../
2623 # /foo/ /foo/bar/ ../
2624 # /foo /foo/bar/ugg ../../
2627 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2628 changequote([, ])dnl
2630 AC_SUBST(gcc_tooldir)
2633 # Find a directory in which to install a shared libgcc.
2635 AC_ARG_ENABLE(version-specific-runtime-libs,
2636 [ --enable-version-specific-runtime-libs
2637 specify that runtime libraries should be
2638 installed in a compiler-specific directory])
2640 AC_ARG_WITH(slibdir,
2641 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2642 slibdir="$with_slibdir",
2643 if test "${enable_version_specific_runtime_libs+set}" = set; then
2644 slibdir='$(libsubdir)'
2645 elif test "$host" != "$target"; then
2646 slibdir='$(build_tooldir)/lib'
2652 # Nothing to do for FLOAT_H, float_format already handled.
2653 objdir=`${PWDCMD-pwd}`
2656 # Process the language and host/target makefile fragments.
2657 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2659 # Substitute configuration variables
2662 AC_SUBST(all_boot_languages)
2663 AC_SUBST(all_compilers)
2664 AC_SUBST(all_gtfiles)
2665 AC_SUBST(all_gtfiles_files_langs)
2666 AC_SUBST(all_gtfiles_files_files)
2667 AC_SUBST(all_lang_makefiles)
2668 AC_SUBST(all_languages)
2669 AC_SUBST(all_stagestuff)
2670 AC_SUBST(build_exeext)
2671 AC_SUBST(build_install_headers_dir)
2672 AC_SUBST(build_xm_file_list)
2673 AC_SUBST(build_xm_file)
2674 AC_SUBST(build_xm_defines)
2675 AC_SUBST(check_languages)
2676 AC_SUBST(cc_set_by_configure)
2677 AC_SUBST(quoted_cc_set_by_configure)
2678 AC_SUBST(cpp_install_dir)
2679 AC_SUBST(dep_host_xmake_file)
2680 AC_SUBST(dep_tmake_file)
2681 AC_SUBST(extra_headers_list)
2682 AC_SUBST(extra_objs)
2683 AC_SUBST(extra_parts)
2684 AC_SUBST(extra_passes)
2685 AC_SUBST(extra_programs)
2686 AC_SUBST(float_h_file)
2687 AC_SUBST(gcc_config_arguments)
2688 AC_SUBST(gcc_gxx_include_dir)
2689 AC_SUBST(libstdcxx_incdir)
2690 AC_SUBST(gcc_version)
2691 AC_SUBST(gcc_version_full)
2692 AC_SUBST(gcc_version_trigger)
2693 AC_SUBST(host_exeext)
2694 AC_SUBST(host_extra_gcc_objs)
2695 AC_SUBST(host_xm_file_list)
2696 AC_SUBST(host_xm_file)
2697 AC_SUBST(host_xm_defines)
2699 AC_SUBST(lang_options_files)
2700 AC_SUBST(lang_specs_files)
2701 AC_SUBST(lang_tree_files)
2702 AC_SUBST(local_prefix)
2704 AC_SUBST(objc_boehm_gc)
2706 AC_SUBST(out_object_file)
2707 AC_SUBST(stage_prefix_set_by_configure)
2708 AC_SUBST(quoted_stage_prefix_set_by_configure)
2709 AC_SUBST(symbolic_link)
2710 AC_SUBST(thread_file)
2711 AC_SUBST(tm_file_list)
2713 AC_SUBST(tm_defines)
2714 AC_SUBST(tm_p_file_list)
2717 AC_SUBST(xm_defines)
2718 AC_SUBST(target_alias)
2719 AC_SUBST(c_target_objs)
2720 AC_SUBST(cxx_target_objs)
2721 AC_SUBST(target_cpu_default)
2723 AC_SUBST_FILE(target_overrides)
2724 AC_SUBST_FILE(host_overrides)
2725 AC_SUBST_FILE(language_fragments)
2726 AC_SUBST_FILE(language_hooks)
2728 # Echo that links are built
2729 if test x$host = x$target
2737 if test x$host != x$build
2739 str3=" on a $build system"
2742 if test "x$str2" != x || test "x$str3" != x
2747 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2749 if test "x$str2" != x || test "x$str3" != x
2751 echo " ${str2}${str3}." 1>&2
2754 # Truncate the target if necessary
2755 if test x$host_truncate_target != x; then
2756 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2759 # Configure the subdirectories
2760 # AC_CONFIG_SUBDIRS($subdirs)
2762 # Create the Makefile
2763 # and configure language subdirectories
2764 AC_OUTPUT($all_outputs,
2766 case x$CONFIG_HEADERS in
2767 xauto-host.h:config.in)
2770 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2771 # bootstrapping and the installation procedure can still use
2772 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2773 # FLAGS_TO_PASS has been modified to solve the problem there.
2774 # This is virtually a duplicate of what happens in configure.lang; we do
2775 # an extra check to make sure this only happens if ln -s can be used.
2776 if test "$symbolic_link" = "ln -s"; then
2777 for d in .. ${subdirs} fixinc ; do
2778 if test $d != ..; then
2779 STARTDIR=`${PWDCMD-pwd}`
2781 for t in stage1 stage2 stage3 stage4 include
2784 $symbolic_link ../$t $t 2>/dev/null
2790 # Avoid having to add intl to our include paths.
2791 if test -f intl/libintl.h; then
2792 echo creating libintl.h
2793 echo '#include "intl/libintl.h"' >libintl.h
2797 symbolic_link='$symbolic_link'