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 $check) ;;
220 # Enable some checks by default for development versions of GCC
221 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
222 if test x$ac_checking != x ; then
223 AC_DEFINE(ENABLE_CHECKING, 1,
224 [Define if you want more run-time sanity checks. This one gets a grab
225 bag of miscellaneous but relatively cheap checks.])
227 if test x$ac_tree_checking != x ; then
228 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
229 [Define if you want all operations on trees (the basic data
230 structure of the front ends) to be checked for dynamic type safety
231 at runtime. This is moderately expensive.])
233 if test x$ac_rtl_checking != x ; then
234 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
235 [Define if you want all operations on RTL (the basic data structure
236 of the optimizer and back end) to be checked for dynamic type safety
237 at runtime. This is quite expensive.])
239 if test x$ac_rtlflag_checking != x ; then
240 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
241 [Define if you want RTL flag accesses to be checked against the RTL
242 codes that are supported for each access macro. This is relatively
245 if test x$ac_gc_checking != x ; then
246 AC_DEFINE(ENABLE_GC_CHECKING, 1,
247 [Define if you want the garbage collector to do object poisoning and
248 other memory allocation checks. This is quite expensive.])
250 if test x$ac_gc_always_collect != x ; then
251 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
252 [Define if you want the garbage collector to operate in maximally
253 paranoid mode, validating the entire heap and collecting garbage at
254 every opportunity. This is extremely expensive.])
257 # Enable code coverage collection
258 AC_ARG_ENABLE(coverage,
259 [ --enable-coverage[=LEVEL]
260 enable compiler\'s code coverage collection.
261 Use to measure compiler performance and locate
262 unused parts of the compiler. With LEVEL, specificy
263 optimization. Values are opt, noopt,
265 [case "${enableval}" in
267 coverage_flags="-fprofile-arcs -ftest-coverage -O0"
270 coverage_flags="-fprofile-arcs -ftest-coverage -O2"
273 AC_MSG_ERROR(unknown coverage setting $enableval)
277 AC_SUBST(coverage_flags)
279 AC_ARG_WITH(cpp_install_dir,
280 [ --with-cpp-install-dir=DIR
281 install the user visible C preprocessor in DIR
282 (relative to PREFIX) as well as PREFIX/bin],
283 [if test x$withval = xyes; then
284 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
285 elif test x$withval != xno; then
286 cpp_install_dir=$withval
289 # Enable __cxa_atexit for C++.
290 AC_ARG_ENABLE(__cxa_atexit,
291 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
293 if test x$enable___cxa_atexit = xyes; then
294 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
295 [Define if you want to use __cxa_atexit, rather than atexit, to
296 register C++ destructors for local statics and global objects.
297 This is essential for fully standards-compliant handling of
298 destructors, but requires __cxa_atexit in libc.])
301 # Enable Multibyte Characters for C/C++
302 AC_ARG_ENABLE(c-mbchar,
303 [ --enable-c-mbchar enable multibyte characters for C and C++],
304 if test x$enable_c_mbchar != xno; then
305 AC_DEFINE(MULTIBYTE_CHARS, 1,
306 [Define if you want the C and C++ compilers to support multibyte
307 character sets for source code.])
311 # Pass with no value to take the default
312 # Pass with a value to specify a thread package
313 AC_ARG_ENABLE(threads,
314 [ --enable-threads enable thread usage for target GCC
315 --enable-threads=LIB use LIB thread package for target GCC],,
318 enable_threads_flag=$enable_threads
319 # Check if a valid thread package
320 case x${enable_threads_flag} in
323 target_thread_file='single'
327 target_thread_file=''
329 xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
330 xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
331 target_thread_file=$enable_threads_flag
334 echo "$enable_threads is an unknown thread package" 1>&2
339 AC_ARG_ENABLE(objc-gc,
340 [ --enable-objc-gc enable the use of Boehm's garbage collector with
341 the GNU Objective-C runtime],
342 if test x$enable_objc_gc = xno; then
350 [ --with-dwarf2 force the default debug format to be DWARF 2],
351 dwarf2="$with_dwarf2",
354 AC_ARG_ENABLE(shared,
355 [ --disable-shared don't provide a shared libgcc],
357 case $enable_shared in
361 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
362 for pkg in $enableval; do
363 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
370 ], [enable_shared=yes])
371 AC_SUBST(enable_shared)
373 # Determine the host, build, and target systems
376 # Set program_transform_name
379 # Find the native compiler
382 # autoconf is lame and doesn't give us any substitution variable for this.
383 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
384 NO_MINUS_C_MINUS_O=yes
386 OUTPUT_OPTION='-o $@'
388 AC_SUBST(NO_MINUS_C_MINUS_O)
389 AC_SUBST(OUTPUT_OPTION)
391 # See if GNAT has been installed
394 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
395 ac_cv_prog_cc_no_long_long,
396 [save_CFLAGS="$CFLAGS"
397 CFLAGS="-Wno-long-long"
398 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
399 ac_cv_prog_cc_no_long_long=no)
400 CFLAGS="$save_CFLAGS"])
402 if test x$have_gnat != xno ; then
403 AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
404 ac_cv_prog_adac_no_long_long,
405 [cat >conftest.adb <<EOF
406 procedure conftest is begin null; end conftest;
408 if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
409 ac_cv_prog_adac_no_long_long=yes
411 ac_cv_prog_adac_no_long_long=no
415 ac_cv_prog_adac_no_long_long=yes
419 if test $ac_cv_prog_cc_no_long_long = yes && \
420 test $ac_cv_prog_adac_no_long_long = yes ; then
421 strict1_warn="-pedantic -Wno-long-long"
423 AC_SUBST(strict1_warn)
433 # sizeof(char) is 1 by definition.
434 gcc_AC_COMPILE_CHECK_SIZEOF(short)
435 gcc_AC_COMPILE_CHECK_SIZEOF(int)
436 gcc_AC_COMPILE_CHECK_SIZEOF(long)
437 if test $ac_cv_c_long_long = yes; then
438 gcc_AC_COMPILE_CHECK_SIZEOF(long long)
440 if test $ac_cv_c___int64 = yes; then
441 gcc_AC_COMPILE_CHECK_SIZEOF(__int64)
446 # If the native compiler is GCC, we can enable warnings even in stage1.
447 # That's useful for people building cross-compilers, or just running a
450 if test "x$GCC" = "xyes"; then
451 warn_cflags='$(GCC_WARN_CFLAGS)'
453 AC_SUBST(warn_cflags)
455 # Stage specific cflags for build.
461 stage1_cflags="-Wa,-J"
467 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
468 # sources; use -no-cpp-precomp to get to GNU cpp.
469 # Apple's GCC has bugs in designated initializer handling, so disable
471 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
474 AC_SUBST(stage1_cflags)
478 AC_MSG_CHECKING([whether a default assembler was specified])
479 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
480 if test x"$gas_flag" = x"no"; then
481 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
483 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
489 AC_MSG_CHECKING([whether a default linker was specified])
490 if test x"${DEFAULT_LINKER+set}" = x"set"; then
491 if test x"$gnu_ld_flag" = x"no"; then
492 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
494 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
500 AC_MSG_CHECKING(for GNU C library)
501 AC_CACHE_VAL(gcc_cv_glibc,
503 [#include <features.h>],[
504 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
505 #error Not a GNU C library system
509 AC_MSG_RESULT($gcc_cv_glibc)
510 if test $gcc_cv_glibc = yes; then
511 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
514 # Find some useful tools
523 gcc_AC_HEADER_STDBOOL
526 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
527 fcntl.h unistd.h sys/file.h sys/time.h \
528 sys/resource.h sys/param.h sys/times.h sys/stat.h \
529 direct.h malloc.h langinfo.h)
531 # Check for thread headers.
532 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
533 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
535 # These tests can't be done till we know if we have limits.h.
537 gcc_AC_C_COMPILE_ENDIAN
538 gcc_AC_C_FLOAT_FORMAT
540 # See if we have the mktemp command.
541 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
543 # Do we have a single-tree copy of texinfo?
544 if test -f $srcdir/../texinfo/Makefile.in; then
545 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
546 gcc_cv_prog_makeinfo_modern=yes
547 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
549 # See if makeinfo has been installed and is modern enough
550 # that we can use it.
551 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
552 [GNU texinfo.* \([0-9][0-9.]*\)],
556 if test $gcc_cv_prog_makeinfo_modern = no; then
558 *** Makeinfo is missing or too old.
559 *** Info documentation will not be built.])
562 BUILD_INFO=info AC_SUBST(BUILD_INFO)
565 # Is pod2man recent enough to regenerate manpages?
566 AC_MSG_CHECKING([for recent Pod::Man])
567 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
569 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
576 dnl Don't use AC_PROG_LEX; we insist on flex.
577 dnl LEXLIB is not useful in gcc.
578 if test -f $srcdir/../flex/skel.c; then
579 FLEX='$(objdir)/../flex/flex'
581 AC_CHECK_PROG(FLEX, flex, flex, false)
585 # The -L switch is so bison can find its skeleton file.
586 if test -f $srcdir/../bison/bison.simple; then
587 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
589 AC_CHECK_PROG(BISON, bison, bison, false)
592 # These libraries may be used by collect2.
593 # We may need a special search path to get them linked.
594 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
596 for libs in '' -lld -lmld \
597 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
598 '-L/usr/lib/cmplrs/cc3.11 -lmld'
601 AC_TRY_LINK_FUNC(ldopen,
602 [gcc_cv_collect2_libs="$libs"; break])
605 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
606 case $gcc_cv_collect2_libs in
608 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
610 AC_SUBST(COLLECT2_LIBS)
612 # When building Ada code on Alpha, we need exc_resume which is usually in
613 # -lexc. So test for it.
616 AC_SEARCH_LIBS(exc_resume, exc)
619 AC_SUBST(GNAT_LIBEXC)
621 # See if the stage1 system preprocessor understands the ANSI C
622 # preprocessor stringification operator. (Used by symcat.h.)
625 # Use <inttypes.h> only if it exists,
626 # doesn't clash with <sys/types.h>, and declares intmax_t.
627 AC_MSG_CHECKING(for inttypes.h)
628 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
630 [#include <sys/types.h>
631 #include <inttypes.h>],
633 [gcc_cv_header_inttypes_h=yes],
634 gcc_cv_header_inttypes_h=no)])
635 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
636 if test $gcc_cv_header_inttypes_h = yes; then
637 AC_DEFINE(HAVE_INTTYPES_H, 1,
638 [Define if you have a working <inttypes.h> header file.])
641 dnl Disabled until we have a complete test for buggy enum bitfields.
642 dnl gcc_AC_C_ENUM_BF_UNSIGNED
644 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
645 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
646 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
649 AC_CHECK_TYPE(ssize_t, int)
651 # Try to determine the array type of the second argument of getgroups
652 # for the target system (int or gid_t).
654 if test "${target}" = "${build}"; then
655 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
658 # This condition may need some tweaking. It should include all
659 # targets where the array type of the second argument of getgroups
660 # is int and the type of gid_t is not equivalent to int.
661 *-*-sunos* | *-*-ultrix*)
662 TARGET_GETGROUPS_T=int
665 TARGET_GETGROUPS_T=gid_t
669 AC_SUBST(TARGET_GETGROUPS_T)
671 gcc_AC_FUNC_PRINTF_PTR
676 *** UWIN may not be used as a host platform because
677 *** linking with posix.dll is not allowed by the GNU GPL])
680 # Under VMS, vfork works very different than on Unix. The standard test
681 # won't work, and it isn't easily adaptable. It makes more sense to
683 ac_cv_func_vfork_works=yes
687 AC_FUNC_MMAP_ANYWHERE
692 # We will need to find libiberty.h and ansidecl.h
693 saved_CFLAGS="$CFLAGS"
694 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
695 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
696 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
697 fprintf_unlocked strstr errno \
698 malloc realloc calloc free basename getopt clock, , ,[
699 #include "ansidecl.h"
700 #include "system.h"])
702 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
703 #include "ansidecl.h"
705 #ifdef HAVE_SYS_RESOURCE_H
706 #include <sys/resource.h>
710 gcc_AC_CHECK_DECLS(times, , ,[
711 #include "ansidecl.h"
713 #ifdef HAVE_SYS_TIMES_H
714 #include <sys/times.h>
718 # More time-related stuff.
719 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
721 #include "ansidecl.h"
723 #ifdef HAVE_SYS_TIMES_H
724 #include <sys/times.h>
726 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
727 if test $ac_cv_struct_tms = yes; then
728 AC_DEFINE(HAVE_STRUCT_TMS, 1,
729 [Define if <sys/times.h> defines struct tms.])
732 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
733 # revisit after autoconf 2.50.
734 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
736 #include "ansidecl.h"
738 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
739 if test $gcc_cv_type_clock_t = yes; then
740 AC_DEFINE(HAVE_CLOCK_T, 1,
741 [Define if <time.h> defines clock_t.])
744 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
745 CFLAGS="$saved_CFLAGS"
747 # mkdir takes a single argument on some systems.
748 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
759 build_install_headers_dir=install-headers-tar
764 host_truncate_target=
767 # Decode the host machine, then the target machine.
768 # For the host machine, we save the xm_file variable as host_xm_file;
769 # then we decode the target machine and forget everything else
770 # that came from the host machine.
771 for machine in $build $host $target; do
772 . ${srcdir}/config.gcc
775 extra_objs="${host_extra_objs} ${extra_objs}"
777 # Default the target-machine variables that were not explicitly set.
778 if test x"$tm_file" = x
779 then tm_file=$cpu_type/$cpu_type.h; fi
781 if test x"$extra_headers" = x
782 then extra_headers=; fi
784 if test x$md_file = x
785 then md_file=$cpu_type/$cpu_type.md; fi
787 if test x$out_file = x
788 then out_file=$cpu_type/$cpu_type.c; fi
790 if test x"$tmake_file" = x
791 then tmake_file=$cpu_type/t-$cpu_type
794 if test x"$dwarf2" = xyes
795 then tm_file="$tm_file tm-dwarf2.h"
798 if test x$float_format = x
799 then float_format=i64
802 if test $float_format = none
803 then float_h_file=Makefile.in
804 else float_h_file=float-$float_format.h
807 # Say what files are being used for the output code and MD file.
808 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
809 echo "Using \`$srcdir/config/$md_file' as machine description file."
811 # If any of the xm_file variables contain nonexistent files, warn
812 # about them and drop them.
815 for x in $build_xm_file; do
816 if test -f $srcdir/config/$x
818 else AC_MSG_WARN($srcdir/config/$x does not exist.)
824 for x in $host_xm_file; do
825 if test -f $srcdir/config/$x
827 else AC_MSG_WARN($srcdir/config/$x does not exist.)
833 for x in $xm_file; do
834 if test -f $srcdir/config/$x
836 else AC_MSG_WARN($srcdir/config/$x does not exist.)
842 for f in $tm_file; do
845 if test $count = ax; then
846 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
848 echo "Using the following target machine macro files:"
849 for f in $tm_file; do
850 echo " $srcdir/config/$f"
855 for f in $host_xm_file; do
858 if test $count = a; then
860 elif test $count = ax; then
861 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
863 echo "Using the following host machine macro files:"
864 for f in $host_xm_file; do
865 echo " $srcdir/config/$f"
869 if test "$host_xm_file" != "$build_xm_file"; then
871 for f in $build_xm_file; do
874 if test $count = a; then
876 elif test $count = ax; then
877 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
879 echo "Using the following build machine macro files:"
880 for f in $build_xm_file; do
881 echo " $srcdir/config/$f"
886 if test x$thread_file = x; then
887 if test x$target_thread_file != x; then
888 thread_file=$target_thread_file
894 # Look for a file containing extra machine modes.
895 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
896 extra_modes_file='$(srcdir)'/config/${extra_modes}
897 AC_SUBST(extra_modes_file)
898 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
899 [Define to the name of a file containing a list of extra machine modes
900 for this architecture.])
901 AC_DEFINE(EXTRA_CC_MODES, 1,
902 [Define if the target architecture needs extra machine modes to represent
903 the results of comparisons.])
906 # auto-host.h is the file containing items generated by autoconf and is
907 # the first file included by config.h.
908 # If host=build, it is correct to have hconfig include auto-host.h
909 # as well. If host!=build, we are in error and need to do more
910 # work to find out the build config parameters.
911 if test x$host = x$build
913 build_auto=auto-host.h
916 # We create a subdir, then run autoconf in the subdir.
917 # To prevent recursion we set host and build for the new
918 # invocation of configure to the build for this invocation
925 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
926 *) realsrcdir=../${srcdir};;
928 saved_CFLAGS="${CFLAGS}"
929 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
930 ${realsrcdir}/configure \
931 --target=$target_alias --host=$build_alias --build=$build_alias
932 CFLAGS="${saved_CFLAGS}"
934 # We just finished tests for the build machine, so rename
935 # the file auto-build.h in the gcc directory.
936 mv auto-host.h ../auto-build.h
939 build_auto=auto-build.h
940 FORBUILD=../$build_alias
944 tm_file="${tm_file} defaults.h"
945 host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}"
946 build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}"
947 xm_file="ansidecl.h ${xm_file} ${tm_file}"
949 # Truncate the target if necessary
950 if test x$host_truncate_target != x; then
951 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
954 # Get the version trigger filename from the toplevel
955 if test "${with_gcc_version_trigger+set}" = set; then
956 gcc_version_trigger=$with_gcc_version_trigger
958 gcc_version_trigger=${srcdir}/version.c
961 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
962 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
964 # Compile in configure arguments.
965 if test -f configargs.h ; then
966 # Being re-configured.
967 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
968 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
970 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
972 cat > configargs.h <<EOF
973 /* Generated automatically. */
974 static const char configuration_arguments[] = "$gcc_config_arguments";
975 static const char thread_model[] = "$thread_file";
979 # Internationalization
981 VERSION="$gcc_version"
985 # Enable NLS support by default
987 [ --enable-nls use Native Language Support (default)],
990 # if cross compiling, disable NLS support.
991 # It's not worth the trouble, at least for now.
993 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
994 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
1000 # Windows32 Registry support for specifying GCC installation paths.
1001 AC_ARG_ENABLE(win32-registry,
1002 [ --disable-win32-registry
1003 disable lookup of installation paths in the
1004 Registry on Windows hosts
1005 --enable-win32-registry enable registry lookup (default)
1006 --enable-win32-registry=KEY
1007 use KEY instead of GCC version as the last portion
1008 of the registry key],,)
1010 win32 | pe | cygwin* | mingw32* | uwin*)
1011 AC_MSG_CHECKING(whether windows registry support is requested)
1012 if test "x$enable_win32_registry" != xno; then
1013 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1014 [Define to 1 if installation paths should be looked up in Windows32
1015 Registry. Ignored on non windows32 hosts.])
1017 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1022 # Check if user specified a different registry key.
1023 case "x${enable_win32_registry}" in
1026 gcc_cv_win32_registry_key="$VERSION"
1029 # no registry lookup.
1030 gcc_cv_win32_registry_key=''
1033 # user-specified key.
1034 gcc_cv_win32_registry_key="$enable_win32_registry"
1038 if test "x$enable_win32_registry" != xno; then
1039 AC_MSG_CHECKING(registry key on windows hosts)
1040 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1041 [Define to be the last portion of registry key on windows hosts.])
1042 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1047 # Get an absolute path to the GCC top-level source directory
1048 holddir=`${PWDCMD-pwd}`
1050 topdir=`${PWDCMD-pwd}`
1053 # Conditionalize the makefile for this host machine.
1054 # Make-host contains the concatenation of all host makefile fragments
1055 # [there can be more than one]. This file is built by configure.frag.
1056 host_overrides=Make-host
1057 dep_host_xmake_file=
1058 for f in .. ${host_xmake_file}
1060 if test -f ${srcdir}/config/$f
1062 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1066 # Conditionalize the makefile for this target machine.
1067 # Make-target contains the concatenation of all host makefile fragments
1068 # [there can be more than one]. This file is built by configure.frag.
1069 target_overrides=Make-target
1071 for f in .. ${tmake_file}
1073 if test -f ${srcdir}/config/$f
1075 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1079 # If the host doesn't support symlinks, modify CC in
1080 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1081 # Otherwise, we can use "CC=$(CC)".
1083 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1085 cc_set_by_configure="\$(CC)"
1086 quoted_cc_set_by_configure="\$(CC)"
1087 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1088 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1091 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1093 symbolic_link="cp -p"
1097 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1098 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1099 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1100 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1104 out_object_file=`basename $out_file .c`.o
1107 for f in $tm_file; do
1110 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1112 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1113 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1118 for f in $tm_p_file; do
1119 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1123 for f in $host_xm_file; do
1126 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1128 host_xm_file_list="${host_xm_file_list} $f" ;;
1130 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1131 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1136 for f in $build_xm_file; do
1139 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1140 auto-build.h | auto-host.h )
1141 build_xm_file_list="${build_xm_file_list} $f" ;;
1143 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1144 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1148 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1149 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1150 CROSS= AC_SUBST(CROSS)
1151 ALL=all.internal AC_SUBST(ALL)
1152 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1153 if test x$host != x$target
1155 CROSS="-DCROSS_COMPILE"
1157 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1158 case "$host","$target" in
1159 i?86-*-*,x86_64-*-* \
1160 | powerpc*-*-*,powerpc64*-*-*)
1161 CROSS="$CROSS -DNATIVE_CROSS" ;;
1165 # If this is a cross-compiler that does not
1166 # have its own set of headers then define
1169 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1170 # This prevents libgcc2 from containing any code which requires libc
1173 if [test x$host != x$target] && [test x$with_headers = x]; then
1174 inhibit_libc=-Dinhibit_libc
1176 if [test x$with_newlib = xyes]; then
1177 inhibit_libc=-Dinhibit_libc
1180 AC_SUBST(inhibit_libc)
1182 # When building gcc with a cross-compiler, we need to adjust things so
1183 # that the generator programs are still built with the native compiler.
1184 # Also, we cannot run fixincludes or fix-header.
1185 # Note that the terminology here is wrong; it should be BUILD_* throughout.
1188 # These are the normal (build=host) settings:
1189 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1190 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1191 HOST_CC='$(CC)' AC_SUBST(HOST_CC)
1192 HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
1194 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1195 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1197 # And these apply if build != host.
1198 if test x$build != x$host
1201 BUILD_PREFIX_1=build-
1202 HOST_CC='$(CC_FOR_BUILD)'
1203 HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1209 # Expand extra_headers to include complete path.
1210 # This substitutes for lots of t-* files.
1212 if test "x$extra_headers" = x
1215 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1216 for file in $extra_headers;
1218 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1222 if test x$use_collect2 = xno; then
1226 # Add a definition of USE_COLLECT2 if system wants one.
1227 if test x$use_collect2 != x
1229 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1230 xm_defines="${xm_defines} USE_COLLECT2"
1233 # If we have gas in the build tree, make a link to it.
1234 if test -f ../gas/Makefile; then
1235 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1238 # If we have nm and objdump in the build tree, make a link to them.
1239 if test -f ../binutils/Makefile; then
1240 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1241 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1244 # If we have ld in the build tree, make a link to it.
1245 if test -f ../ld/Makefile; then
1246 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1249 # Figure out what assembler we will be using.
1250 AC_MSG_CHECKING(what assembler to use)
1252 gcc_cv_gas_major_version=
1253 gcc_cv_gas_minor_version=
1254 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1255 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1256 if test -x "$DEFAULT_ASSEMBLER"; then
1257 gcc_cv_as="$DEFAULT_ASSEMBLER"
1258 elif test -x "$AS"; then
1260 elif test -x as$host_exeext; then
1261 # Build using assembler in the current directory.
1262 gcc_cv_as=./as$host_exeext
1263 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1264 # Single tree build which includes gas.
1265 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
1268 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1270 if test x$gcc_cv_gas_version != x; then
1275 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1276 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1277 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1281 if test "x$gcc_cv_as" = x; then
1282 # Search the same directories that the installed compiler will
1283 # search. Else we may find the wrong assembler and lose. If we
1284 # do not find a suitable assembler binary, then try the user's
1287 # Also note we have to check MD_EXEC_PREFIX before checking the
1288 # user's path. Unfortunately, there is no good way to get at the
1289 # value of MD_EXEC_PREFIX here. So we do a brute force search
1290 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1291 # to be fixed as part of the make/configure rewrite too.
1293 if test "x$exec_prefix" = xNONE; then
1294 if test "x$prefix" = xNONE; then
1295 test_prefix=/usr/local
1300 test_prefix=$exec_prefix
1303 # If the loop below does not find an assembler, then use whatever
1304 # one we can find in the users's path.
1306 if test "x$program_prefix" != xNONE; then
1307 gcc_cv_as=${program_prefix}as$host_exeext
1309 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1312 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1313 $test_prefix/lib/gcc-lib/$target_alias \
1314 /usr/lib/gcc/$target_alias/$gcc_version \
1315 /usr/lib/gcc/$target_alias \
1316 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1317 $test_prefix/$target_alias/bin"
1319 if test x$host = x$target; then
1320 test_dirs="$test_dirs \
1325 /bsd43/usr/lib/cmplrs/cc \
1326 /usr/cross64/usr/bin \
1327 /usr/lib/cmplrs/cc \
1328 /sysv/usr/lib/cmplrs/cc \
1329 /svr4/usr/lib/cmplrs/cc \
1333 for dir in $test_dirs; do
1334 if test -x $dir/as$host_exeext; then
1335 gcc_cv_as=$dir/as$host_exeext
1340 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1341 AC_MSG_RESULT("newly built gas")
1343 AC_MSG_RESULT($gcc_cv_as)
1346 # Figure out what linker we will be using.
1347 AC_MSG_CHECKING(what linker to use)
1349 gcc_cv_gld_major_version=
1350 gcc_cv_gld_minor_version=
1351 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1352 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1353 if test -x "$DEFAULT_LINKER"; then
1354 gcc_cv_ld="$DEFAULT_LINKER"
1355 elif test -x "$LD"; then
1357 elif test -x ld$host_exeext; then
1358 # Build using linker in the current directory.
1359 gcc_cv_ld=./ld$host_exeext
1360 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1361 # Single tree build which includes ld.
1362 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
1365 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1367 if test x$gcc_cv_gld_version != x; then
1372 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1373 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1377 if test "x$gcc_cv_ld" = x; then
1378 # Search the same directories that the installed compiler will
1379 # search. Else we may find the wrong linker and lose. If we
1380 # do not find a suitable linker binary, then try the user's
1383 # Also note we have to check MD_EXEC_PREFIX before checking the
1384 # user's path. Unfortunately, there is no good way to get at the
1385 # value of MD_EXEC_PREFIX here. So we do a brute force search
1386 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1387 # to be fixed as part of the make/configure rewrite too.
1389 if test "x$exec_prefix" = xNONE; then
1390 if test "x$prefix" = xNONE; then
1391 test_prefix=/usr/local
1396 test_prefix=$exec_prefix
1399 # If the loop below does not find an linker, then use whatever
1400 # one we can find in the users's path.
1402 if test "x$program_prefix" != xNONE; then
1403 gcc_cv_ld=${program_prefix}ld$host_exeext
1405 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1408 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1409 $test_prefix/lib/gcc-lib/$target_alias \
1410 /usr/lib/gcc/$target_alias/$gcc_version \
1411 /usr/lib/gcc/$target_alias \
1412 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1413 $test_prefix/$target_alias/bin"
1415 if test x$host = x$target; then
1416 test_dirs="$test_dirs \
1421 /bsd43/usr/lib/cmplrs/cc \
1422 /usr/cross64/usr/bin \
1423 /usr/lib/cmplrs/cc \
1424 /sysv/usr/lib/cmplrs/cc \
1425 /svr4/usr/lib/cmplrs/cc \
1429 for dir in $test_dirs; do
1430 if test -x $dir/ld$host_exeext; then
1431 gcc_cv_ld=$dir/ld$host_exeext
1436 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1437 AC_MSG_RESULT("newly built ld")
1439 AC_MSG_RESULT($gcc_cv_ld)
1442 # Figure out what nm we will be using.
1443 AC_MSG_CHECKING(what nm to use)
1444 if test -x nm$host_exeext; then
1445 gcc_cv_nm=./nm$host_exeext
1446 elif test "x$program_prefix" != xNONE; then
1447 gcc_cv_nm=${program_prefix}nm$host_exeext
1449 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1451 AC_MSG_RESULT($gcc_cv_nm)
1453 # Figure out what objdump we will be using.
1454 AC_MSG_CHECKING(what objdump to use)
1455 if test -x objdump$host_exeext; then
1456 gcc_cv_objdump=./objdump$host_exeext
1457 elif test "x$program_prefix" != xNONE; then
1458 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1460 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1462 AC_MSG_RESULT($gcc_cv_objdump)
1464 # Figure out what assembler alignment features are present.
1465 AC_MSG_CHECKING(assembler alignment features)
1466 gcc_cv_as_alignment_features=none
1467 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1468 # Gas version 2.6 and later support for .balign and .p2align.
1469 # bytes to skip when using .p2align.
1470 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1471 gcc_cv_as_alignment_features=".balign and .p2align"
1472 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1474 # Gas version 2.8 and later support specifying the maximum
1475 # bytes to skip when using .p2align.
1476 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1477 gcc_cv_as_alignment_features=".p2align including maximum skip"
1478 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1480 elif test x$gcc_cv_as != x; then
1481 # Check if we have .balign and .p2align
1482 echo ".balign 4" > conftest.s
1483 echo ".p2align 2" >> conftest.s
1484 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1485 gcc_cv_as_alignment_features=".balign and .p2align"
1486 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1488 rm -f conftest.s conftest.o
1489 # Check if specifying the maximum bytes to skip when
1490 # using .p2align is supported.
1491 echo ".p2align 4,,7" > conftest.s
1492 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1493 gcc_cv_as_alignment_features=".p2align including maximum skip"
1494 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1496 rm -f conftest.s conftest.o
1498 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1500 AC_MSG_CHECKING(assembler subsection support)
1501 gcc_cv_as_subsections=no
1502 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1503 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1504 gcc_cv_as_subsections="working .subsection -1"
1506 elif test x$gcc_cv_as != x; then
1507 # Check if we have .subsection
1508 echo ".subsection 1" > conftest.s
1509 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1510 gcc_cv_as_subsections=".subsection"
1511 if test x$gcc_cv_nm != x; then
1512 cat > conftest.s <<EOF
1513 conftest_label1: .word 0
1515 conftest_label2: .word 0
1518 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1519 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1520 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1521 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1524 gcc_cv_as_subsections="working .subsection -1"
1529 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1531 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1532 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1533 [Define if your assembler supports .subsection and .subsection -1 starts
1534 emitting at the beginning of your section.])
1536 AC_MSG_RESULT($gcc_cv_as_subsections)
1538 AC_MSG_CHECKING(assembler weak support)
1540 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1541 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1542 gcc_cv_as_weak="yes"
1544 elif test x$gcc_cv_as != x; then
1545 # Check if we have .weak
1546 echo " .weak foobar" > conftest.s
1547 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1548 gcc_cv_as_weak="yes"
1550 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1552 if test x"$gcc_cv_as_weak" = xyes; then
1553 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1555 AC_MSG_RESULT($gcc_cv_as_weak)
1557 AC_MSG_CHECKING(assembler hidden support)
1559 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1560 if test "$gcc_cv_gas_major_version" -eq 2 \
1561 -a "$gcc_cv_gas_minor_version" -eq 12 \
1562 -a "$gcc_cv_gas_patch_version" -ge 1 \
1563 -o "$gcc_cv_gas_major_version" -eq 2 \
1564 -a "$gcc_cv_gas_minor_version" -gt 12 \
1565 -o "$gcc_cv_gas_major_version" -gt 2 \
1566 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1567 gcc_cv_as_hidden="yes"
1569 elif test x$gcc_cv_as != x; then
1570 # Check if we have .hidden
1571 echo " .hidden foobar" > conftest.s
1572 echo "foobar:" >> conftest.s
1573 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1574 gcc_cv_as_hidden="yes"
1576 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1578 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1579 # This is irritatingly difficult to feature test for. Look for
1580 # the date string after the version number.
1581 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1582 if echo "$ld_ver" | grep GNU > /dev/null; then
1584 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1585 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1586 if test 0"$ld_date" -lt 20020404; then
1587 if test -n "$ld_date"; then
1588 # If there was date string, but was earlier than 2002-04-04, fail
1589 gcc_cv_as_hidden="no"
1590 elif test -z "$ld_vers"; then
1591 # If there was no date string nor ld version number, something is wrong
1592 gcc_cv_as_hidden="no"
1594 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1595 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1596 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1597 test -z "$ld_vers_patch" && ld_vers_patch=0
1598 if test "$ld_vers_major" -lt 2; then
1599 gcc_cv_as_hidden="no"
1600 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1601 gcc_cv_as_hidden="no"
1602 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1603 -a "$ld_vers_patch" -eq 0; then
1604 gcc_cv_as_hidden="no"
1611 if test x"$gcc_cv_as_hidden" = xyes; then
1612 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1613 [Define if your assembler supports .hidden.])
1615 AC_MSG_RESULT($gcc_cv_as_hidden)
1616 libgcc_visibility=$gcc_cv_as_hidden
1619 if test x"$gnu_ld_flag" = x"no"; then
1620 # Even if using gas with .hidden support, the resulting object files
1621 # cannot be linked with the IRIX 6 O32 linker.
1622 libgcc_visibility=no
1626 AC_SUBST(libgcc_visibility)
1628 AC_MSG_CHECKING(assembler leb128 support)
1630 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1631 if test "$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
1632 gcc_cv_as_leb128="yes"
1634 elif test x$gcc_cv_as != x; then
1635 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1636 cat > conftest.s <<EOF
1644 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1645 gcc_cv_as_leb128="yes"
1647 # GAS versions before 2.11 do not support uleb128,
1648 # despite appearing to.
1649 # ??? There exists an elf-specific test that will crash
1650 # the assembler. Perhaps it's better to figure out whether
1651 # arbitrary sections are supported and try the test.
1652 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1653 if echo "$as_ver" | grep GNU > /dev/null; then
1655 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1656 as_major=`echo $as_ver | sed 's/\..*//'`
1657 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1659 if test $as_major -eq 2 -a $as_minor -lt 11; then
1660 gcc_cv_as_leb128="no"
1664 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1666 if test x"$gcc_cv_as_leb128" = xyes; then
1667 AC_DEFINE(HAVE_AS_LEB128, 1,
1668 [Define if your assembler supports .uleb128.])
1670 AC_MSG_RESULT($gcc_cv_as_leb128)
1672 AC_MSG_CHECKING(assembler eh_frame optimization)
1673 gcc_cv_as_eh_frame=no
1674 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1675 if test "$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
1676 gcc_cv_as_eh_frame="yes"
1678 elif test x$gcc_cv_as != x; then
1679 # Check if this is GAS.
1680 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1681 rm -f a.out 2> /dev/null
1682 if echo "$as_ver" | grep GNU > /dev/null; then
1683 # Versions up to and including 2.11.0 may mis-optimize
1684 # .eh_frame data. Try something.
1685 cat > conftest.s <<EOF
1692 .section .eh_frame,"aw",@progbits
1694 .4byte .LECIE1-.LSCIE1
1708 .4byte .LEFDE1-.LASFDE1
1710 .4byte .LASFDE1-__FRAME_BEGIN__
1719 cat > conftest.lit <<EOF
1720 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1721 0010 01000000 12000000 18000000 00000000 ................
1722 0020 08000000 04080000 0044 .........D
1724 cat > conftest.big <<EOF
1725 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1726 0010 00000001 00000012 00000018 00000000 ................
1727 0020 00000008 04000000 0844 .........D
1729 # If the assembler didn't choke, and we can objdump,
1730 # and we got the correct data, then succeed.
1731 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1732 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1733 | tail -3 > conftest.got \
1734 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1735 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1737 gcc_cv_as_eh_frame="yes"
1739 gcc_cv_as_eh_frame="bad"
1740 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1741 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1742 [Define if your assembler mis-optimizes .eh_frame data.])
1748 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1750 AC_MSG_CHECKING(assembler section merging support)
1751 gcc_cv_as_shf_merge=no
1752 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1753 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1754 gcc_cv_as_shf_merge=yes
1756 elif test x$gcc_cv_as != x; then
1757 # Check if we support SHF_MERGE sections
1758 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1759 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1760 gcc_cv_as_shf_merge=yes
1762 rm -f conftest.s conftest.o
1764 if test x"$gcc_cv_as_shf_merge" = xyes; then
1765 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1766 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1768 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1770 AC_MSG_CHECKING(assembler thread-local storage support)
1779 .section ".tdata","awT",@progbits
1782 ldq $27,__tls_get_addr($29) !literal!1
1783 lda $16,foo($29) !tlsgd!1
1784 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1785 ldq $27,__tls_get_addr($29) !literal!2
1786 lda $16,foo($29) !tlsldm!2
1787 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1788 ldq $1,foo($29) !gotdtprel
1789 ldah $2,foo($29) !dtprelhi
1790 lda $3,foo($2) !dtprello
1791 lda $4,foo($29) !dtprel
1792 ldq $1,foo($29) !gottprel
1793 ldah $2,foo($29) !tprelhi
1794 lda $3,foo($2) !tprello
1795 lda $4,foo($29) !tprel'
1802 .section ".tdata","awT",@progbits
1806 leal foo@TLSGD(,%ebx,1), %eax
1807 leal foo@TLSLDM(%ebx), %eax
1808 leal foo@DTPOFF(%eax), %edx
1809 movl foo@GOTTPOFF(%ebx), %eax
1810 subl foo@GOTTPOFF(%ebx), %eax
1811 movl $foo@TPOFF, %eax
1812 subl $foo@TPOFF, %eax
1813 leal foo@NTPOFF(%ecx), %eax'
1819 .section ".tdata","awT",@progbits
1822 addl r16 = @ltoff(@dtpmod(foo#)), gp
1823 addl r17 = @ltoff(@dtprel(foo#)), gp
1824 addl r18 = @ltoff(@tprel(foo#)), gp
1825 addl r19 = @dtprel(foo#), gp
1826 adds r21 = @dtprel(foo#), r13
1827 movl r23 = @dtprel(foo#)
1828 addl r20 = @tprel(foo#), gp
1829 adds r22 = @tprel(foo#), r13
1830 movl r24 = @tprel(foo#)'
1835 if test -z "$tls_first_major"; then
1837 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1839 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1840 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1841 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1844 elif test x$gcc_cv_as != x; then
1845 echo "$conftest_s" > conftest.s
1846 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1850 rm -f conftest.s conftest.o
1852 if test "$gcc_cv_as_tls" = yes; then
1853 AC_DEFINE(HAVE_AS_TLS, 1,
1854 [Define if your assembler supports thread-local storage.])
1856 AC_MSG_RESULT($gcc_cv_as_tls)
1859 # All TARGET_ABI_OSF targets.
1860 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1861 AC_CACHE_CHECK([assembler supports explicit relocations],
1862 gcc_cv_as_explicit_relocs, [
1863 gcc_cv_as_explicit_relocs=unknown
1864 if test x$gcc_cv_gas_major_version != x \
1865 -a x$gcc_cv_gas_minor_version != x
1867 if test "$gcc_cv_gas_major_version" -eq 2 \
1868 -a "$gcc_cv_gas_minor_version" -ge 12 \
1869 -o "$gcc_cv_gas_major_version" -gt 2; then
1870 gcc_cv_as_explicit_relocs=yes
1872 elif test x$gcc_cv_as != x; then
1873 cat > conftest.s << 'EOF'
1876 extbl $3, $2, $3 !lituse_bytoff!1
1877 ldq $2, a($29) !literal!1
1878 ldq $4, b($29) !literal!2
1879 ldq_u $3, 0($2) !lituse_base!1
1880 ldq $27, f($29) !literal!5
1881 jsr $26, ($27), f !lituse_jsr!5
1882 ldah $29, 0($26) !gpdisp!3
1883 lda $0, c($29) !gprel
1884 ldah $1, d($29) !gprelhigh
1885 lda $1, d($1) !gprellow
1886 lda $29, 0($29) !gpdisp!3
1888 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1889 gcc_cv_as_explicit_relocs=yes
1891 gcc_cv_as_explicit_relocs=no
1893 rm -f conftest.s conftest.o
1896 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1897 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1898 [Define if your assembler supports explicit relocations.])
1902 AC_CACHE_CHECK([assembler .register pseudo-op support],
1903 gcc_cv_as_register_pseudo_op, [
1904 gcc_cv_as_register_pseudo_op=unknown
1905 if test x$gcc_cv_as != x; then
1906 # Check if we have .register
1907 echo ".register %g2, #scratch" > conftest.s
1908 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1909 gcc_cv_as_register_pseudo_op=yes
1911 gcc_cv_as_register_pseudo_op=no
1913 rm -f conftest.s conftest.o
1916 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1917 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1918 [Define if your assembler supports .register.])
1921 AC_CACHE_CHECK([assembler supports -relax],
1922 gcc_cv_as_relax_opt, [
1923 gcc_cv_as_relax_opt=unknown
1924 if test x$gcc_cv_as != x; then
1925 # Check if gas supports -relax
1926 echo ".text" > conftest.s
1927 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1928 gcc_cv_as_relax_opt=yes
1930 gcc_cv_as_relax_opt=no
1932 rm -f conftest.s conftest.o
1935 if test "x$gcc_cv_as_relax_opt" = xyes; then
1936 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1937 [Define if your assembler supports -relax option.])
1940 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
1941 gcc_cv_as_sparc_ua_pcrel, [
1942 gcc_cv_as_sparc_ua_pcrel=unknown
1943 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
1944 gcc_cv_as_sparc_ua_pcrel=no
1945 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
1946 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1947 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
1948 gcc_cv_as_sparc_ua_pcrel=yes
1950 rm -f conftest.s conftest.o conftest
1953 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1954 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
1955 [Define if your assembler and linker support unaligned PC relative relocs.])
1958 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
1959 gcc_cv_as_sparc_ua_pcrel_hidden, [
1960 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1961 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
1962 if test x$gcc_cv_objdump != x; then
1963 gcc_cv_as_sparc_ua_pcrel_hidden=no
1964 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
1965 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
1966 echo "foo: .skip 4" >> conftest.s
1967 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1968 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
1969 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
1970 | grep ' 31000000 07323334' > /dev/null 2>&1; then
1971 if $gcc_cv_objdump -R conftest 2> /dev/null \
1972 | grep 'DISP32' > /dev/null 2>&1; then
1975 gcc_cv_as_sparc_ua_pcrel_hidden=yes
1979 rm -f conftest.s conftest.o conftest
1981 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
1984 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
1985 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
1986 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
1989 if test "x$gcc_cv_as_flags64" != xno; then
1990 AC_CACHE_CHECK([for assembler offsetable %lo() support],
1991 gcc_cv_as_offsetable_lo10, [
1992 gcc_cv_as_offsetable_lo10=unknown
1993 if test "x$gcc_cv_as" != x; then
1994 # Check if assembler has offsetable %lo()
1995 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
1996 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
1997 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
1999 $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
2000 > /dev/null 2>&1; then
2001 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2002 gcc_cv_as_offsetable_lo10=no
2004 gcc_cv_as_offsetable_lo10=yes
2007 gcc_cv_as_offsetable_lo10=no
2009 rm -f conftest.s conftest.o conftest1.s conftest1.o
2012 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2013 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2014 [Define if your assembler supports offsetable %lo().])
2021 i[34567]86-*-* | x86_64-*-*)
2023 AC_MSG_CHECKING(assembler instructions)
2024 gcc_cv_as_instructions=
2025 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2026 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2027 gcc_cv_as_instructions="filds fists"
2029 elif test x$gcc_cv_as != x; then
2030 set "filds fists" "filds mem; fists mem"
2033 echo "$2" > conftest.s
2034 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2035 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2039 rm -f conftest.s conftest.o
2041 if test x"$gcc_cv_as_instructions" != x; then
2042 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2044 AC_MSG_RESULT($gcc_cv_as_instructions)
2046 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2047 gcc_cv_as_gotoff_in_data=no
2048 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2050 if test "$gcc_cv_gas_major_version" -eq 2 \
2051 -a "$gcc_cv_gas_minor_version" -ge 11 \
2052 -o "$gcc_cv_gas_major_version" -gt 2; then
2053 gcc_cv_as_gotoff_in_data=yes
2055 elif test x$gcc_cv_as != x; then
2056 cat > conftest.s <<EOF
2063 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2064 gcc_cv_as_gotoff_in_data=yes
2067 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2068 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2069 [Define true if the assembler supports '.long foo@GOTOFF'.])
2070 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2074 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2075 gcc_cv_as_dwarf2_debug_line=no
2076 # ??? Not all targets support dwarf2 debug_line, even within a version
2077 # of gas. Moreover, we need to emit a valid instruction to trigger any
2078 # info to the output file. So, as supported targets are added to gas 2.11,
2079 # add some instruction here to (also) show we expect this might work.
2080 # ??? Once 2.11 is released, probably need to add first known working
2081 # version to the per-target configury.
2083 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-* | hppa*-*-*)
2090 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2092 if test "$gcc_cv_gas_major_version" -eq 2 \
2093 -a "$gcc_cv_gas_minor_version" -ge 11 \
2094 -o "$gcc_cv_gas_major_version" -gt 2 \
2095 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2096 && test x"$insn" != x ; then
2097 gcc_cv_as_dwarf2_debug_line="yes"
2099 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2100 echo ' .file 1 "conftest.s"' > conftest.s
2101 echo ' .loc 1 3 0' >> conftest.s
2102 echo " $insn" >> conftest.s
2103 # ??? This fails with non-gnu grep.
2104 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2105 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2106 # The .debug_line file table must be in the exact order that
2107 # we specified the files, since these indices are also used
2108 # by DW_AT_decl_file. Approximate this test by testing if
2109 # the assembler bitches if the same index is assigned twice.
2110 echo ' .file 1 "foo.s"' > conftest.s
2111 echo ' .file 1 "bar.s"' >> conftest.s
2112 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2114 gcc_cv_as_dwarf2_debug_line="no"
2116 gcc_cv_as_dwarf2_debug_line="yes"
2119 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2121 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2122 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2123 [Define if your assembler supports dwarf2 .file/.loc directives,
2124 and preserves file table indices exactly as given.])
2126 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2128 AC_MSG_CHECKING(assembler --gdwarf2 support)
2129 gcc_cv_as_gdwarf2_flag=no
2130 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2132 if test "$gcc_cv_gas_major_version" -eq 2 \
2133 -a "$gcc_cv_gas_minor_version" -ge 11 \
2134 -o "$gcc_cv_gas_major_version" -gt 2 \
2135 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2136 && test x"$insn" != x ; then
2137 gcc_cv_as_gdwarf2_flag="yes"
2139 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2140 echo '' > conftest.s
2141 # ??? This fails with non-gnu grep.
2142 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2144 gcc_cv_as_gdwarf2_flag="yes"
2146 rm -f conftest.s conftest.o
2148 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2149 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2150 [Define if your assembler supports the --gdwarf2 option.])
2152 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2154 AC_MSG_CHECKING(assembler --gstabs support)
2155 gcc_cv_as_gstabs_flag=no
2156 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2158 if test "$gcc_cv_gas_major_version" -eq 2 \
2159 -a "$gcc_cv_gas_minor_version" -ge 11 \
2160 -o "$gcc_cv_gas_major_version" -gt 2 \
2161 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2162 && test x"$insn" != x ; then
2163 gcc_cv_as_gstabs_flag="yes"
2165 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2166 echo '' > conftest.s
2167 # ??? This fails with non-gnu grep.
2168 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2169 gcc_cv_as_gstabs_flag="yes"
2171 rm -f conftest.s conftest.o
2173 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2174 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2175 [Define if your assembler supports the --gstabs option.])
2177 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2179 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2180 gcc_cv_ld_eh_frame_hdr=no
2181 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2182 if test "$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
2183 gcc_cv_ld_eh_frame_hdr=yes
2185 elif test x$gcc_cv_ld != x; then
2186 # Check if linker supports --eh-frame-hdr option
2187 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2188 gcc_cv_ld_eh_frame_hdr=yes
2191 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2192 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2193 [Define if your linker supports --eh-frame-hdr option.])
2195 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2197 # Miscellaneous target-specific checks.
2200 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2201 gcc_cv_mips_libgloss_startup=no
2202 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2203 if test "x$exec_prefix" = xNONE; then
2204 if test "x$prefix" = xNONE; then
2205 test_prefix=/usr/local
2210 test_prefix=$exec_prefix
2212 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2214 if grep '^STARTUP' $f > /dev/null 2>&1; then
2215 gcc_cv_mips_libgloss_startup=yes
2219 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2220 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2221 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2223 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2227 if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2228 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2231 # Figure out what language subdirectories are present.
2232 # Look if the user specified --enable-languages="..."; if not, use
2233 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2235 # NB: embedded tabs in this IF block -- do not untabify
2236 if test x"${enable_languages+set}" != xset; then
2237 if test x"${LANGUAGES+set}" = xset; then
2238 enable_languages="${LANGUAGES}"
2239 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2242 enable_languages=all
2245 if test x"${enable_languages}" = x \
2246 || test x"${enable_languages}" = xyes;
2248 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2251 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2253 # First scan to see if an enabled language requires some other language.
2254 # We assume that a given config-lang.in will list all the language
2255 # front ends it requires, even if some are required indirectly.
2256 for lang in ${srcdir}/*/config-lang.in ..
2261 # The odd quoting in the next line works around
2262 # an apparent bug in bash 1.12 on linux.
2264 ${srcdir}/[*]/config-lang.in)
2267 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2268 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2269 for other in $this_lang_requires
2271 case ,${enable_languages}, in
2277 enable_languages="$enable_languages,$other"
2286 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2289 for lang in ${srcdir}/*/config-lang.in ..
2293 # The odd quoting in the next line works around
2294 # an apparent bug in bash 1.12 on linux.
2296 ${srcdir}/[*]/config-lang.in) ;;
2298 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2299 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2300 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2301 if test "x$lang_alias" = x
2303 echo "$lang doesn't set \$language." 1>&2
2306 case ${build_by_default},${enable_languages}, in
2307 *,$lang_alias,*) add_this_lang=yes ;;
2308 no,*) add_this_lang=no ;;
2309 *,all,*) add_this_lang=yes ;;
2310 *) add_this_lang=no ;;
2312 found_languages="${found_languages} ${lang_alias}"
2313 if test x"${add_this_lang}" = xyes; then
2315 ${srcdir}/ada/config-lang.in)
2316 if test x$have_gnat = xyes ; then
2317 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2321 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2331 for expected_language in ${expected_languages} ..
2333 if test "${expected_language}" != ..; then
2334 missing_language="${expected_language}"
2335 if test "${expected_language}" = "c" \
2336 || test "${expected_language}" = "all"; then
2339 for found_language in ${found_languages} ..
2341 if test "${found_language}" != ..; then
2342 if test "${expected_language}" = "${found_language}"; then
2347 if test "x${missing_language}" != x; then
2348 missing_languages="${missing_languages} ${missing_language}"
2353 if test "x$missing_languages" != x; then
2355 The following requested languages were not found:${missing_languages}
2356 The following languages were available: c${found_languages}])
2359 # Make gthr-default.h if we have a thread file.
2361 if test $thread_file != single; then
2362 rm -f gthr-default.h
2363 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2364 gthread_flags=-DHAVE_GTHR_DEFAULT
2366 AC_SUBST(gthread_flags)
2368 # Find out what GC implementation we want, or may, use.
2370 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2377 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2382 echo "Using $GGC for garbage collection."
2384 # Use the system's zlib library.
2386 zlibinc="-I\$(srcdir)/../zlib"
2387 AC_ARG_WITH(system-zlib,
2388 [ --with-system-zlib use installed libz],
2395 dnl Very limited version of automake's enable-maintainer-mode
2397 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2398 dnl maintainer-mode is disabled by default
2399 AC_ARG_ENABLE(maintainer-mode,
2400 [ --enable-maintainer-mode
2401 enable make rules and dependencies not useful
2402 (and sometimes confusing) to the casual installer],
2403 maintainer_mode=$enableval,
2406 AC_MSG_RESULT($maintainer_mode)
2408 if test "$maintainer_mode" = "yes"; then
2415 # With Setjmp/Longjmp based exception handling.
2416 AC_ARG_ENABLE(sjlj-exceptions,
2417 [ --enable-sjlj-exceptions
2418 arrange to use setjmp/longjmp exception handling],
2419 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
2420 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
2421 [Define 0/1 to force the choice for exception handling model.])])
2423 # Use libunwind based exception handling.
2424 AC_ARG_ENABLE(libunwind-exceptions,
2425 [ --enable-libunwind-exceptions force use libunwind for exceptions],
2426 use_libunwind_exceptions=$enableval,
2427 use_libunwind_exceptions=no)
2428 if test x"$use_libunwind_exceptions" = xyes; then
2429 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
2430 [Define if gcc should use -lunwind.])
2433 # Make empty files to contain the specs and options for each language.
2434 # Then add #include lines to for a compiler that has specs and/or options.
2439 for subdir in . $subdirs
2441 if test -f $srcdir/$subdir/lang-specs.h; then
2442 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2444 if test -f $srcdir/$subdir/lang-options.h; then
2445 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2447 if test -f $srcdir/$subdir/$subdir-tree.def; then
2448 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2452 # These (without "all_") are set in each config-lang.in.
2453 # `language' must be a single word so is spelled singularly.
2458 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2459 # List of language makefile fragments.
2461 # Files for gengtype
2462 all_gtfiles="$target_gtfiles"
2463 # Files for gengtype with language
2464 all_gtfiles_files_langs=
2465 all_gtfiles_files_files=
2467 # Add the language fragments.
2468 # Languages are added via two mechanisms. Some information must be
2469 # recorded in makefile variables, these are defined in config-lang.in.
2470 # We accumulate them and plug them into the main Makefile.
2471 # The other mechanism is a set of hooks for each of the main targets
2472 # like `clean', `install', etc.
2474 language_fragments="Make-lang"
2475 language_hooks="Make-hooks"
2477 for s in .. $subdirs
2487 . ${srcdir}/$s/config-lang.in
2488 if test "x$language" = x
2490 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2493 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2494 if test -f ${srcdir}/$s/Makefile.in
2495 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2497 all_languages="$all_languages $language"
2498 if test "x$boot_language" = xyes
2500 all_boot_languages="$all_boot_languages $language"
2502 all_compilers="$all_compilers $compilers"
2503 all_stagestuff="$all_stagestuff $stagestuff"
2504 all_outputs="$all_outputs $outputs"
2505 all_gtfiles="$all_gtfiles $gtfiles"
2506 for f in .. $gtfiles
2510 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2511 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2517 # Pick up gtfiles for c
2520 . ${srcdir}/c-config-lang.in
2521 all_gtfiles="$all_gtfiles $gtfiles"
2522 for f in .. $gtfiles
2526 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2527 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2532 for language in .. $all_languages
2534 if test $language != ".."
2536 check_languages="$check_languages check-$language"
2540 # Since we can't use `::' targets, we link each language in
2541 # with a set of hooks, reached indirectly via lang.${target}.
2545 target_list="all.build all.cross start.encap rest.encap \
2546 info dvi generated-manpages \
2547 install-normal install-common install-info install-man \
2549 mostlyclean clean distclean extraclean maintainer-clean \
2550 stage1 stage2 stage3 stage4"
2551 for t in $target_list
2554 for lang in .. $all_languages
2556 if test $lang != ".."; then
2560 echo "lang.$t: $x" >> Make-hooks
2565 echo "dir ." > .gdbinit
2566 echo "dir ${srcdir}" >> .gdbinit
2567 if test x$gdb_needs_out_file_path = xyes
2569 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2571 if test "x$subdirs" != x; then
2574 echo "dir ${srcdir}/$s" >> .gdbinit
2577 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2579 # Define variables host_canonical and build_canonical
2580 # because some Cygnus local changes in the Makefile depend on them.
2581 build_canonical=${build}
2582 host_canonical=${host}
2584 if test "${host}" != "${target}" ; then
2585 target_subdir=${target_alias}/
2587 AC_SUBST(build_canonical)
2588 AC_SUBST(host_canonical)
2589 AC_SUBST(target_subdir)
2591 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2592 # absolute path for gcc_tooldir based on inserting the number of up-directory
2593 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2594 # $(libsubdir)/@(unlibsubdir) based path.
2595 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2596 # make and thus we'd get different behavior depending on where we built the
2598 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2599 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2601 changequote(<<, >>)dnl
2602 # An explanation of the sed strings:
2603 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2604 # -e 's|/$||' match a trailing forward slash and eliminates it
2605 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2606 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2608 # (*) Note this pattern overwrites the first character of the string
2609 # with a forward slash if one is not already present. This is not a
2610 # problem because the exact names of the sub-directories concerned is
2611 # unimportant, just the number of them matters.
2613 # The practical upshot of these patterns is like this:
2615 # prefix exec_prefix result
2616 # ------ ----------- ------
2618 # /foo/ /foo/bar ../
2619 # /foo /foo/bar/ ../
2620 # /foo/ /foo/bar/ ../
2621 # /foo /foo/bar/ugg ../../
2624 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2625 changequote([, ])dnl
2627 AC_SUBST(gcc_tooldir)
2630 # Find a directory in which to install a shared libgcc.
2632 AC_ARG_ENABLE(version-specific-runtime-libs,
2633 [ --enable-version-specific-runtime-libs
2634 specify that runtime libraries should be
2635 installed in a compiler-specific directory])
2637 AC_ARG_WITH(slibdir,
2638 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2639 slibdir="$with_slibdir",
2640 if test "${enable_version_specific_runtime_libs+set}" = set; then
2641 slibdir='$(libsubdir)'
2642 elif test "$host" != "$target"; then
2643 slibdir='$(build_tooldir)/lib'
2649 # Nothing to do for FLOAT_H, float_format already handled.
2650 objdir=`${PWDCMD-pwd}`
2653 # Process the language and host/target makefile fragments.
2654 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2656 # Substitute configuration variables
2659 AC_SUBST(all_boot_languages)
2660 AC_SUBST(all_compilers)
2661 AC_SUBST(all_gtfiles)
2662 AC_SUBST(all_gtfiles_files_langs)
2663 AC_SUBST(all_gtfiles_files_files)
2664 AC_SUBST(all_lang_makefiles)
2665 AC_SUBST(all_languages)
2666 AC_SUBST(all_stagestuff)
2667 AC_SUBST(build_exeext)
2668 AC_SUBST(build_install_headers_dir)
2669 AC_SUBST(build_xm_file_list)
2670 AC_SUBST(build_xm_file)
2671 AC_SUBST(build_xm_defines)
2672 AC_SUBST(check_languages)
2673 AC_SUBST(cc_set_by_configure)
2674 AC_SUBST(quoted_cc_set_by_configure)
2675 AC_SUBST(cpp_install_dir)
2676 AC_SUBST(dep_host_xmake_file)
2677 AC_SUBST(dep_tmake_file)
2678 AC_SUBST(extra_headers_list)
2679 AC_SUBST(extra_objs)
2680 AC_SUBST(extra_parts)
2681 AC_SUBST(extra_passes)
2682 AC_SUBST(extra_programs)
2683 AC_SUBST(float_h_file)
2684 AC_SUBST(gcc_config_arguments)
2685 AC_SUBST(gcc_gxx_include_dir)
2686 AC_SUBST(libstdcxx_incdir)
2687 AC_SUBST(gcc_version)
2688 AC_SUBST(gcc_version_full)
2689 AC_SUBST(gcc_version_trigger)
2690 AC_SUBST(host_exeext)
2691 AC_SUBST(host_extra_gcc_objs)
2692 AC_SUBST(host_xm_file_list)
2693 AC_SUBST(host_xm_file)
2694 AC_SUBST(host_xm_defines)
2696 AC_SUBST(lang_options_files)
2697 AC_SUBST(lang_specs_files)
2698 AC_SUBST(lang_tree_files)
2699 AC_SUBST(local_prefix)
2701 AC_SUBST(objc_boehm_gc)
2703 AC_SUBST(out_object_file)
2704 AC_SUBST(stage_prefix_set_by_configure)
2705 AC_SUBST(quoted_stage_prefix_set_by_configure)
2706 AC_SUBST(symbolic_link)
2707 AC_SUBST(thread_file)
2708 AC_SUBST(tm_file_list)
2710 AC_SUBST(tm_defines)
2711 AC_SUBST(tm_p_file_list)
2714 AC_SUBST(xm_defines)
2715 AC_SUBST(target_alias)
2716 AC_SUBST(c_target_objs)
2717 AC_SUBST(cxx_target_objs)
2718 AC_SUBST(target_cpu_default)
2720 AC_SUBST_FILE(target_overrides)
2721 AC_SUBST_FILE(host_overrides)
2722 AC_SUBST_FILE(language_fragments)
2723 AC_SUBST_FILE(language_hooks)
2725 # Echo that links are built
2726 if test x$host = x$target
2734 if test x$host != x$build
2736 str3=" on a $build system"
2739 if test "x$str2" != x || test "x$str3" != x
2744 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2746 if test "x$str2" != x || test "x$str3" != x
2748 echo " ${str2}${str3}." 1>&2
2751 # Truncate the target if necessary
2752 if test x$host_truncate_target != x; then
2753 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2756 # Configure the subdirectories
2757 # AC_CONFIG_SUBDIRS($subdirs)
2759 # Create the Makefile
2760 # and configure language subdirectories
2761 AC_OUTPUT($all_outputs,
2763 case x$CONFIG_HEADERS in
2764 xauto-host.h:config.in)
2767 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2768 # bootstrapping and the installation procedure can still use
2769 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2770 # FLAGS_TO_PASS has been modified to solve the problem there.
2771 # This is virtually a duplicate of what happens in configure.lang; we do
2772 # an extra check to make sure this only happens if ln -s can be used.
2773 if test "$symbolic_link" = "ln -s"; then
2774 for d in .. ${subdirs} fixinc ; do
2775 if test $d != ..; then
2776 STARTDIR=`${PWDCMD-pwd}`
2778 for t in stage1 stage2 stage3 stage4 include
2781 $symbolic_link ../$t $t 2>/dev/null
2787 # Avoid having to add intl to our include paths.
2788 if test -f intl/libintl.h; then
2789 echo creating libintl.h
2790 echo '#include "intl/libintl.h"' >libintl.h
2794 symbolic_link='$symbolic_link'