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$ac_gc_always_collect != x ; then
251 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
252 [Define if you want the garbage collector to operate in maximally
253 paranoid mode, validating the entire heap and collecting garbage at
254 every opportunity. This is extremely expensive.])
257 AC_ARG_WITH(cpp_install_dir,
258 [ --with-cpp-install-dir=DIR
259 install the user visible C preprocessor in DIR
260 (relative to PREFIX) as well as PREFIX/bin],
261 [if test x$withval = xyes; then
262 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
263 elif test x$withval != xno; then
264 cpp_install_dir=$withval
267 # Enable __cxa_atexit for C++.
268 AC_ARG_ENABLE(__cxa_atexit,
269 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
271 if test x$enable___cxa_atexit = xyes; then
272 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
273 [Define if you want to use __cxa_atexit, rather than atexit, to
274 register C++ destructors for local statics and global objects.
275 This is essential for fully standards-compliant handling of
276 destructors, but requires __cxa_atexit in libc.])
279 # Enable Multibyte Characters for C/C++
280 AC_ARG_ENABLE(c-mbchar,
281 [ --enable-c-mbchar enable multibyte characters for C and C++],
282 if test x$enable_c_mbchar != xno; then
283 AC_DEFINE(MULTIBYTE_CHARS, 1,
284 [Define if you want the C and C++ compilers to support multibyte
285 character sets for source code.])
289 # Pass with no value to take the default
290 # Pass with a value to specify a thread package
291 AC_ARG_ENABLE(threads,
292 [ --enable-threads enable thread usage for target GCC
293 --enable-threads=LIB use LIB thread package for target GCC],,
296 enable_threads_flag=$enable_threads
297 # Check if a valid thread package
298 case x${enable_threads_flag} in
301 target_thread_file='single'
305 target_thread_file=''
307 xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
308 xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
309 target_thread_file=$enable_threads_flag
312 echo "$enable_threads is an unknown thread package" 1>&2
317 AC_ARG_ENABLE(objc-gc,
318 [ --enable-objc-gc enable the use of Boehm's garbage collector with
319 the GNU Objective-C runtime],
320 if test x$enable_objc_gc = xno; then
328 [ --with-dwarf2 force the default debug format to be DWARF 2],
329 dwarf2="$with_dwarf2",
332 AC_ARG_ENABLE(shared,
333 [ --disable-shared don't provide a shared libgcc],
335 case $enable_shared in
339 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
340 for pkg in $enableval; do
341 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
348 ], [enable_shared=yes])
349 AC_SUBST(enable_shared)
351 # Determine the host, build, and target systems
354 # Set program_transform_name
357 # Find the native compiler
360 # autoconf is lame and doesn't give us any substitution variable for this.
361 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
362 NO_MINUS_C_MINUS_O=yes
364 OUTPUT_OPTION='-o $@'
366 AC_SUBST(NO_MINUS_C_MINUS_O)
367 AC_SUBST(OUTPUT_OPTION)
369 # See if GNAT has been installed
372 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
373 ac_cv_prog_cc_no_long_long,
374 [save_CFLAGS="$CFLAGS"
375 CFLAGS="-Wno-long-long"
376 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
377 ac_cv_prog_cc_no_long_long=no)
378 CFLAGS="$save_CFLAGS"])
380 if test x$have_gnat != xno ; then
381 AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
382 ac_cv_prog_adac_no_long_long,
383 [cat >conftest.adb <<EOF
384 procedure conftest is begin null; end conftest;
386 if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
387 ac_cv_prog_adac_no_long_long=yes
389 ac_cv_prog_adac_no_long_long=no
393 ac_cv_prog_adac_no_long_long=yes
397 if test $ac_cv_prog_cc_no_long_long = yes && \
398 test $ac_cv_prog_adac_no_long_long = yes ; then
399 strict1_warn="-pedantic -Wno-long-long"
401 AC_SUBST(strict1_warn)
411 # sizeof(char) is 1 by definition.
412 gcc_AC_COMPILE_CHECK_SIZEOF(short)
413 gcc_AC_COMPILE_CHECK_SIZEOF(int)
414 gcc_AC_COMPILE_CHECK_SIZEOF(long)
415 if test $ac_cv_c_long_long = yes; then
416 gcc_AC_COMPILE_CHECK_SIZEOF(long long)
418 if test $ac_cv_c___int64 = yes; then
419 gcc_AC_COMPILE_CHECK_SIZEOF(__int64)
424 # If the native compiler is GCC, we can enable warnings even in stage1.
425 # That's useful for people building cross-compilers, or just running a
428 if test "x$GCC" = "xyes"; then
429 warn_cflags='$(GCC_WARN_CFLAGS)'
431 AC_SUBST(warn_cflags)
433 # Stage specific cflags for build.
439 stage1_cflags="-Wa,-J"
445 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
446 # sources; use -no-cpp-precomp to get to GNU cpp.
447 # Apple's GCC has bugs in designated initializer handling, so disable
449 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
452 AC_SUBST(stage1_cflags)
456 AC_MSG_CHECKING([whether a default assembler was specified])
457 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
458 if test x"$gas_flag" = x"no"; then
459 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
461 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
467 AC_MSG_CHECKING([whether a default linker was specified])
468 if test x"${DEFAULT_LINKER+set}" = x"set"; then
469 if test x"$gnu_ld_flag" = x"no"; then
470 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
472 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
478 AC_MSG_CHECKING(for GNU C library)
479 AC_CACHE_VAL(gcc_cv_glibc,
481 [#include <features.h>],[
482 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
483 #error Not a GNU C library system
487 AC_MSG_RESULT($gcc_cv_glibc)
488 if test $gcc_cv_glibc = yes; then
489 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
492 # Find some useful tools
501 gcc_AC_HEADER_STDBOOL
504 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
505 fcntl.h unistd.h sys/file.h sys/time.h \
506 sys/resource.h sys/param.h sys/times.h sys/stat.h \
507 direct.h malloc.h langinfo.h)
509 # Check for thread headers.
510 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
511 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
513 # These tests can't be done till we know if we have limits.h.
515 gcc_AC_C_COMPILE_ENDIAN
516 gcc_AC_C_FLOAT_FORMAT
518 # See if we have the mktemp command.
519 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
521 # Do we have a single-tree copy of texinfo?
522 if test -f $srcdir/../texinfo/Makefile.in; then
523 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
524 gcc_cv_prog_makeinfo_modern=yes
525 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
527 # See if makeinfo has been installed and is modern enough
528 # that we can use it.
529 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
530 [GNU texinfo.* \([0-9][0-9.]*\)],
534 if test $gcc_cv_prog_makeinfo_modern = no; then
536 *** Makeinfo is missing or too old.
537 *** Info documentation will not be built.])
540 BUILD_INFO=info AC_SUBST(BUILD_INFO)
543 # Is pod2man recent enough to regenerate manpages?
544 AC_MSG_CHECKING([for recent Pod::Man])
545 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
547 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
554 dnl Don't use AC_PROG_LEX; we insist on flex.
555 dnl LEXLIB is not useful in gcc.
556 if test -f $srcdir/../flex/skel.c; then
557 FLEX='$(objdir)/../flex/flex'
559 AC_CHECK_PROG(FLEX, flex, flex, false)
563 # The -L switch is so bison can find its skeleton file.
564 if test -f $srcdir/../bison/bison.simple; then
565 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
567 AC_CHECK_PROG(BISON, bison, bison, false)
570 # These libraries may be used by collect2.
571 # We may need a special search path to get them linked.
572 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
574 for libs in '' -lld -lmld \
575 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
576 '-L/usr/lib/cmplrs/cc3.11 -lmld'
579 AC_TRY_LINK_FUNC(ldopen,
580 [gcc_cv_collect2_libs="$libs"; break])
583 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
584 case $gcc_cv_collect2_libs in
586 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
588 AC_SUBST(COLLECT2_LIBS)
590 # When building Ada code on Alpha, we need exc_resume which is usually in
591 # -lexc. So test for it.
594 AC_SEARCH_LIBS(exc_resume, exc)
597 AC_SUBST(GNAT_LIBEXC)
599 # See if the stage1 system preprocessor understands the ANSI C
600 # preprocessor stringification operator. (Used by symcat.h.)
603 # Use <inttypes.h> only if it exists,
604 # doesn't clash with <sys/types.h>, and declares intmax_t.
605 AC_MSG_CHECKING(for inttypes.h)
606 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
608 [#include <sys/types.h>
609 #include <inttypes.h>],
611 [gcc_cv_header_inttypes_h=yes],
612 gcc_cv_header_inttypes_h=no)])
613 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
614 if test $gcc_cv_header_inttypes_h = yes; then
615 AC_DEFINE(HAVE_INTTYPES_H, 1,
616 [Define if you have a working <inttypes.h> header file.])
619 dnl Disabled until we have a complete test for buggy enum bitfields.
620 dnl gcc_AC_C_ENUM_BF_UNSIGNED
622 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
623 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
624 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
627 AC_CHECK_TYPE(ssize_t, int)
629 # Try to determine the array type of the second argument of getgroups
630 # for the target system (int or gid_t).
632 if test "${target}" = "${build}"; then
633 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
636 # This condition may need some tweaking. It should include all
637 # targets where the array type of the second argument of getgroups
638 # is int and the type of gid_t is not equivalent to int.
639 *-*-sunos* | *-*-ultrix*)
640 TARGET_GETGROUPS_T=int
643 TARGET_GETGROUPS_T=gid_t
647 AC_SUBST(TARGET_GETGROUPS_T)
649 gcc_AC_FUNC_PRINTF_PTR
654 *** UWIN may not be used as a host platform because
655 *** linking with posix.dll is not allowed by the GNU GPL])
658 # Under VMS, vfork works very different than on Unix. The standard test
659 # won't work, and it isn't easily adaptable. It makes more sense to
661 ac_cv_func_vfork_works=yes
665 AC_FUNC_MMAP_ANYWHERE
670 # We will need to find libiberty.h and ansidecl.h
671 saved_CFLAGS="$CFLAGS"
672 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
673 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
674 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
675 fprintf_unlocked strstr errno \
676 malloc realloc calloc free basename getopt clock, , ,[
677 #include "ansidecl.h"
678 #include "system.h"])
680 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
681 #include "ansidecl.h"
683 #ifdef HAVE_SYS_RESOURCE_H
684 #include <sys/resource.h>
688 gcc_AC_CHECK_DECLS(times, , ,[
689 #include "ansidecl.h"
691 #ifdef HAVE_SYS_TIMES_H
692 #include <sys/times.h>
696 # More time-related stuff.
697 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
699 #include "ansidecl.h"
701 #ifdef HAVE_SYS_TIMES_H
702 #include <sys/times.h>
704 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
705 if test $ac_cv_struct_tms = yes; then
706 AC_DEFINE(HAVE_STRUCT_TMS, 1,
707 [Define if <sys/times.h> defines struct tms.])
710 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
711 # revisit after autoconf 2.50.
712 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
714 #include "ansidecl.h"
716 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
717 if test $gcc_cv_type_clock_t = yes; then
718 AC_DEFINE(HAVE_CLOCK_T, 1,
719 [Define if <time.h> defines clock_t.])
722 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
723 CFLAGS="$saved_CFLAGS"
725 # mkdir takes a single argument on some systems.
726 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
737 build_install_headers_dir=install-headers-tar
742 host_truncate_target=
745 # Decode the host machine, then the target machine.
746 # For the host machine, we save the xm_file variable as host_xm_file;
747 # then we decode the target machine and forget everything else
748 # that came from the host machine.
749 for machine in $build $host $target; do
750 . ${srcdir}/config.gcc
753 extra_objs="${host_extra_objs} ${extra_objs}"
755 # Default the target-machine variables that were not explicitly set.
756 if test x"$tm_file" = x
757 then tm_file=$cpu_type/$cpu_type.h; fi
759 if test x"$extra_headers" = x
760 then extra_headers=; fi
762 if test x$md_file = x
763 then md_file=$cpu_type/$cpu_type.md; fi
765 if test x$out_file = x
766 then out_file=$cpu_type/$cpu_type.c; fi
768 if test x"$tmake_file" = x
769 then tmake_file=$cpu_type/t-$cpu_type
772 if test x"$dwarf2" = xyes
773 then tm_file="$tm_file tm-dwarf2.h"
776 if test x$float_format = x
777 then float_format=i64
780 if test $float_format = none
781 then float_h_file=Makefile.in
782 else float_h_file=float-$float_format.h
785 # Say what files are being used for the output code and MD file.
786 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
787 echo "Using \`$srcdir/config/$md_file' as machine description file."
789 # If any of the xm_file variables contain nonexistent files, warn
790 # about them and drop them.
793 for x in $build_xm_file; do
794 if test -f $srcdir/config/$x
796 else AC_MSG_WARN($srcdir/config/$x does not exist.)
802 for x in $host_xm_file; do
803 if test -f $srcdir/config/$x
805 else AC_MSG_WARN($srcdir/config/$x does not exist.)
811 for x in $xm_file; do
812 if test -f $srcdir/config/$x
814 else AC_MSG_WARN($srcdir/config/$x does not exist.)
820 for f in $tm_file; do
823 if test $count = ax; then
824 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
826 echo "Using the following target machine macro files:"
827 for f in $tm_file; do
828 echo " $srcdir/config/$f"
833 for f in $host_xm_file; do
836 if test $count = a; then
838 elif test $count = ax; then
839 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
841 echo "Using the following host machine macro files:"
842 for f in $host_xm_file; do
843 echo " $srcdir/config/$f"
847 if test "$host_xm_file" != "$build_xm_file"; then
849 for f in $build_xm_file; do
852 if test $count = a; then
854 elif test $count = ax; then
855 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
857 echo "Using the following build machine macro files:"
858 for f in $build_xm_file; do
859 echo " $srcdir/config/$f"
864 if test x$thread_file = x; then
865 if test x$target_thread_file != x; then
866 thread_file=$target_thread_file
872 # Look for a file containing extra machine modes.
873 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
874 extra_modes_file='$(srcdir)'/config/${extra_modes}
875 AC_SUBST(extra_modes_file)
876 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
877 [Define to the name of a file containing a list of extra machine modes
878 for this architecture.])
879 AC_DEFINE(EXTRA_CC_MODES, 1,
880 [Define if the target architecture needs extra machine modes to represent
881 the results of comparisons.])
884 # auto-host.h is the file containing items generated by autoconf and is
885 # the first file included by config.h.
886 # If host=build, it is correct to have hconfig include auto-host.h
887 # as well. If host!=build, we are in error and need to do more
888 # work to find out the build config parameters.
889 if test x$host = x$build
891 build_auto=auto-host.h
894 # We create a subdir, then run autoconf in the subdir.
895 # To prevent recursion we set host and build for the new
896 # invocation of configure to the build for this invocation
903 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
904 *) realsrcdir=../${srcdir};;
906 saved_CFLAGS="${CFLAGS}"
907 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
908 ${realsrcdir}/configure \
909 --target=$target_alias --host=$build_alias --build=$build_alias
910 CFLAGS="${saved_CFLAGS}"
912 # We just finished tests for the build machine, so rename
913 # the file auto-build.h in the gcc directory.
914 mv auto-host.h ../auto-build.h
917 build_auto=auto-build.h
922 tm_file="${tm_file} defaults.h"
923 host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}"
924 build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}"
925 xm_file="ansidecl.h ${xm_file} ${tm_file}"
927 # Truncate the target if necessary
928 if test x$host_truncate_target != x; then
929 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
932 # Get the version trigger filename from the toplevel
933 if test "${with_gcc_version_trigger+set}" = set; then
934 gcc_version_trigger=$with_gcc_version_trigger
936 gcc_version_trigger=${srcdir}/version.c
939 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
940 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
942 # Compile in configure arguments.
943 if test -f configargs.h ; then
944 # Being re-configured.
945 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
946 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
948 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
950 cat > configargs.h <<EOF
951 /* Generated automatically. */
952 static const char configuration_arguments[] = "$gcc_config_arguments";
953 static const char thread_model[] = "$thread_file";
957 # Internationalization
959 VERSION="$gcc_version"
963 # Enable NLS support by default
965 [ --enable-nls use Native Language Support (default)],
968 # if cross compiling, disable NLS support.
969 # It's not worth the trouble, at least for now.
971 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
972 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
978 # Windows32 Registry support for specifying GCC installation paths.
979 AC_ARG_ENABLE(win32-registry,
980 [ --disable-win32-registry
981 disable lookup of installation paths in the
982 Registry on Windows hosts
983 --enable-win32-registry enable registry lookup (default)
984 --enable-win32-registry=KEY
985 use KEY instead of GCC version as the last portion
986 of the registry key],,)
988 win32 | pe | cygwin* | mingw32* | uwin*)
989 AC_MSG_CHECKING(whether windows registry support is requested)
990 if test "x$enable_win32_registry" != xno; then
991 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
992 [Define to 1 if installation paths should be looked up in Windows32
993 Registry. Ignored on non windows32 hosts.])
995 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1000 # Check if user specified a different registry key.
1001 case "x${enable_win32_registry}" in
1004 gcc_cv_win32_registry_key="$VERSION"
1007 # no registry lookup.
1008 gcc_cv_win32_registry_key=''
1011 # user-specified key.
1012 gcc_cv_win32_registry_key="$enable_win32_registry"
1016 if test "x$enable_win32_registry" != xno; then
1017 AC_MSG_CHECKING(registry key on windows hosts)
1018 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1019 [Define to be the last portion of registry key on windows hosts.])
1020 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1025 # Get an absolute path to the GCC top-level source directory
1026 holddir=`${PWDCMD-pwd}`
1028 topdir=`${PWDCMD-pwd}`
1031 # Conditionalize the makefile for this host machine.
1032 # Make-host contains the concatenation of all host makefile fragments
1033 # [there can be more than one]. This file is built by configure.frag.
1034 host_overrides=Make-host
1035 dep_host_xmake_file=
1036 for f in .. ${host_xmake_file}
1038 if test -f ${srcdir}/config/$f
1040 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1044 # Conditionalize the makefile for this target machine.
1045 # Make-target contains the concatenation of all host makefile fragments
1046 # [there can be more than one]. This file is built by configure.frag.
1047 target_overrides=Make-target
1049 for f in .. ${tmake_file}
1051 if test -f ${srcdir}/config/$f
1053 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1057 # If the host doesn't support symlinks, modify CC in
1058 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1059 # Otherwise, we can use "CC=$(CC)".
1061 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1063 cc_set_by_configure="\$(CC)"
1064 quoted_cc_set_by_configure="\$(CC)"
1065 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1066 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1069 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1071 symbolic_link="cp -p"
1075 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1076 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1077 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1078 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1082 out_object_file=`basename $out_file .c`.o
1085 for f in $tm_file; do
1088 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1090 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1091 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1096 for f in $tm_p_file; do
1097 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1101 for f in $host_xm_file; do
1104 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1106 host_xm_file_list="${host_xm_file_list} $f" ;;
1108 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1109 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1114 for f in $build_xm_file; do
1117 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1118 auto-build.h | auto-host.h )
1119 build_xm_file_list="${build_xm_file_list} $f" ;;
1121 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1122 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1126 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1127 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1128 CROSS= AC_SUBST(CROSS)
1129 ALL=all.internal AC_SUBST(ALL)
1130 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1131 if test x$host != x$target
1133 CROSS="-DCROSS_COMPILE"
1135 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1136 case "$host","$target" in
1137 i?86-*-*,x86_64-*-* \
1138 | powerpc*-*-*,powerpc64*-*-*)
1139 CROSS="$CROSS -DNATIVE_CROSS" ;;
1143 # If this is a cross-compiler that does not
1144 # have its own set of headers then define
1147 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1148 # This prevents libgcc2 from containing any code which requires libc
1151 if [test x$host != x$target] && [test x$with_headers = x]; then
1152 inhibit_libc=-Dinhibit_libc
1154 if [test x$with_newlib = xyes]; then
1155 inhibit_libc=-Dinhibit_libc
1158 AC_SUBST(inhibit_libc)
1160 # When building gcc with a cross-compiler, we need to adjust things so
1161 # that the generator programs are still built with the native compiler.
1162 # Also, we cannot run fixincludes or fix-header.
1163 # Note that the terminology here is wrong; it should be BUILD_* throughout.
1166 # These are the normal (build=host) settings:
1167 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1168 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1169 HOST_CC='$(CC)' AC_SUBST(HOST_CC)
1170 HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
1172 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1173 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1175 # And these apply if build != host.
1176 if test x$build != x$host
1179 BUILD_PREFIX_1=build-
1180 HOST_CC='$(CC_FOR_BUILD)'
1181 HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1187 # Expand extra_headers to include complete path.
1188 # This substitutes for lots of t-* files.
1190 if test "x$extra_headers" = x
1193 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1194 for file in $extra_headers;
1196 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1200 if test x$use_collect2 = xno; then
1204 # Add a definition of USE_COLLECT2 if system wants one.
1205 if test x$use_collect2 != x
1207 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1208 xm_defines="${xm_defines} USE_COLLECT2"
1211 # If we have gas in the build tree, make a link to it.
1212 if test -f ../gas/Makefile; then
1213 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1216 # If we have nm and objdump in the build tree, make a link to them.
1217 if test -f ../binutils/Makefile; then
1218 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1219 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1222 # If we have ld in the build tree, make a link to it.
1223 if test -f ../ld/Makefile; then
1224 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1227 # Figure out what assembler we will be using.
1228 AC_MSG_CHECKING(what assembler to use)
1230 gcc_cv_gas_major_version=
1231 gcc_cv_gas_minor_version=
1232 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1233 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1234 if test -x "$DEFAULT_ASSEMBLER"; then
1235 gcc_cv_as="$DEFAULT_ASSEMBLER"
1236 elif test -x "$AS"; then
1238 elif test -x as$host_exeext; then
1239 # Build using assembler in the current directory.
1240 gcc_cv_as=./as$host_exeext
1241 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1242 # Single tree build which includes gas.
1243 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
1246 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1248 if test x$gcc_cv_gas_version != x; then
1253 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1254 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1255 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1259 if test "x$gcc_cv_as" = x; then
1260 # Search the same directories that the installed compiler will
1261 # search. Else we may find the wrong assembler and lose. If we
1262 # do not find a suitable assembler binary, then try the user's
1265 # Also note we have to check MD_EXEC_PREFIX before checking the
1266 # user's path. Unfortunately, there is no good way to get at the
1267 # value of MD_EXEC_PREFIX here. So we do a brute force search
1268 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1269 # to be fixed as part of the make/configure rewrite too.
1271 if test "x$exec_prefix" = xNONE; then
1272 if test "x$prefix" = xNONE; then
1273 test_prefix=/usr/local
1278 test_prefix=$exec_prefix
1281 # If the loop below does not find an assembler, then use whatever
1282 # one we can find in the users's path.
1284 if test "x$program_prefix" != xNONE; then
1285 gcc_cv_as=${program_prefix}as$host_exeext
1287 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1290 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1291 $test_prefix/lib/gcc-lib/$target_alias \
1292 /usr/lib/gcc/$target_alias/$gcc_version \
1293 /usr/lib/gcc/$target_alias \
1294 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1295 $test_prefix/$target_alias/bin"
1297 if test x$host = x$target; then
1298 test_dirs="$test_dirs \
1303 /bsd43/usr/lib/cmplrs/cc \
1304 /usr/cross64/usr/bin \
1305 /usr/lib/cmplrs/cc \
1306 /sysv/usr/lib/cmplrs/cc \
1307 /svr4/usr/lib/cmplrs/cc \
1311 for dir in $test_dirs; do
1312 if test -x $dir/as$host_exeext; then
1313 gcc_cv_as=$dir/as$host_exeext
1318 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1319 AC_MSG_RESULT("newly built gas")
1321 AC_MSG_RESULT($gcc_cv_as)
1324 # Figure out what linker we will be using.
1325 AC_MSG_CHECKING(what linker to use)
1327 gcc_cv_gld_major_version=
1328 gcc_cv_gld_minor_version=
1329 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1330 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1331 if test -x "$DEFAULT_LINKER"; then
1332 gcc_cv_ld="$DEFAULT_LINKER"
1333 elif test -x "$LD"; then
1335 elif test -x ld$host_exeext; then
1336 # Build using linker in the current directory.
1337 gcc_cv_ld=./ld$host_exeext
1338 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1339 # Single tree build which includes ld.
1340 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
1343 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1345 if test x$gcc_cv_gld_version != x; then
1350 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1351 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1355 if test "x$gcc_cv_ld" = x; then
1356 # Search the same directories that the installed compiler will
1357 # search. Else we may find the wrong linker and lose. If we
1358 # do not find a suitable linker binary, then try the user's
1361 # Also note we have to check MD_EXEC_PREFIX before checking the
1362 # user's path. Unfortunately, there is no good way to get at the
1363 # value of MD_EXEC_PREFIX here. So we do a brute force search
1364 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1365 # to be fixed as part of the make/configure rewrite too.
1367 if test "x$exec_prefix" = xNONE; then
1368 if test "x$prefix" = xNONE; then
1369 test_prefix=/usr/local
1374 test_prefix=$exec_prefix
1377 # If the loop below does not find an linker, then use whatever
1378 # one we can find in the users's path.
1380 if test "x$program_prefix" != xNONE; then
1381 gcc_cv_ld=${program_prefix}ld$host_exeext
1383 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1386 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1387 $test_prefix/lib/gcc-lib/$target_alias \
1388 /usr/lib/gcc/$target_alias/$gcc_version \
1389 /usr/lib/gcc/$target_alias \
1390 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1391 $test_prefix/$target_alias/bin"
1393 if test x$host = x$target; then
1394 test_dirs="$test_dirs \
1399 /bsd43/usr/lib/cmplrs/cc \
1400 /usr/cross64/usr/bin \
1401 /usr/lib/cmplrs/cc \
1402 /sysv/usr/lib/cmplrs/cc \
1403 /svr4/usr/lib/cmplrs/cc \
1407 for dir in $test_dirs; do
1408 if test -x $dir/ld$host_exeext; then
1409 gcc_cv_ld=$dir/ld$host_exeext
1414 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1415 AC_MSG_RESULT("newly built ld")
1417 AC_MSG_RESULT($gcc_cv_ld)
1420 # Figure out what nm we will be using.
1421 AC_MSG_CHECKING(what nm to use)
1422 if test -x nm$host_exeext; then
1423 gcc_cv_nm=./nm$host_exeext
1424 elif test "x$program_prefix" != xNONE; then
1425 gcc_cv_nm=${program_prefix}nm$host_exeext
1427 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1429 AC_MSG_RESULT($gcc_cv_nm)
1431 # Figure out what objdump we will be using.
1432 AC_MSG_CHECKING(what objdump to use)
1433 if test -x objdump$host_exeext; then
1434 gcc_cv_objdump=./objdump$host_exeext
1435 elif test "x$program_prefix" != xNONE; then
1436 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1438 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1440 AC_MSG_RESULT($gcc_cv_objdump)
1442 # Figure out what assembler alignment features are present.
1443 AC_MSG_CHECKING(assembler alignment features)
1444 gcc_cv_as_alignment_features=none
1445 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1446 # Gas version 2.6 and later support for .balign and .p2align.
1447 # bytes to skip when using .p2align.
1448 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1449 gcc_cv_as_alignment_features=".balign and .p2align"
1450 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1452 # Gas version 2.8 and later support specifying the maximum
1453 # bytes to skip when using .p2align.
1454 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1455 gcc_cv_as_alignment_features=".p2align including maximum skip"
1456 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1458 elif test x$gcc_cv_as != x; then
1459 # Check if we have .balign and .p2align
1460 echo ".balign 4" > conftest.s
1461 echo ".p2align 2" >> conftest.s
1462 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1463 gcc_cv_as_alignment_features=".balign and .p2align"
1464 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1466 rm -f conftest.s conftest.o
1467 # Check if specifying the maximum bytes to skip when
1468 # using .p2align is supported.
1469 echo ".p2align 4,,7" > conftest.s
1470 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1471 gcc_cv_as_alignment_features=".p2align including maximum skip"
1472 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1474 rm -f conftest.s conftest.o
1476 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1478 AC_MSG_CHECKING(assembler subsection support)
1479 gcc_cv_as_subsections=no
1480 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1481 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1482 gcc_cv_as_subsections="working .subsection -1"
1484 elif test x$gcc_cv_as != x; then
1485 # Check if we have .subsection
1486 echo ".subsection 1" > conftest.s
1487 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1488 gcc_cv_as_subsections=".subsection"
1489 if test x$gcc_cv_nm != x; then
1490 cat > conftest.s <<EOF
1491 conftest_label1: .word 0
1493 conftest_label2: .word 0
1496 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1497 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1498 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1499 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1502 gcc_cv_as_subsections="working .subsection -1"
1507 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1509 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1510 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1511 [Define if your assembler supports .subsection and .subsection -1 starts
1512 emitting at the beginning of your section.])
1514 AC_MSG_RESULT($gcc_cv_as_subsections)
1516 AC_MSG_CHECKING(assembler weak support)
1518 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1519 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1520 gcc_cv_as_weak="yes"
1522 elif test x$gcc_cv_as != x; then
1523 # Check if we have .weak
1524 echo " .weak foobar" > conftest.s
1525 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1526 gcc_cv_as_weak="yes"
1528 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1530 if test x"$gcc_cv_as_weak" = xyes; then
1531 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1533 AC_MSG_RESULT($gcc_cv_as_weak)
1535 AC_MSG_CHECKING(assembler hidden support)
1537 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1538 if test "$gcc_cv_gas_major_version" -eq 2 \
1539 -a "$gcc_cv_gas_minor_version" -eq 12 \
1540 -a "$gcc_cv_gas_patch_version" -ge 1 \
1541 -o "$gcc_cv_gas_major_version" -eq 2 \
1542 -a "$gcc_cv_gas_minor_version" -gt 12 \
1543 -o "$gcc_cv_gas_major_version" -gt 2 \
1544 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1545 gcc_cv_as_hidden="yes"
1547 elif test x$gcc_cv_as != x; then
1548 # Check if we have .hidden
1549 echo " .hidden foobar" > conftest.s
1550 echo "foobar:" >> conftest.s
1551 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1552 gcc_cv_as_hidden="yes"
1554 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1556 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1557 # This is irritatingly difficult to feature test for. Look for
1558 # the date string after the version number.
1559 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1560 if echo "$ld_ver" | grep GNU > /dev/null; then
1562 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1563 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1564 if test 0"$ld_date" -lt 20020404; then
1565 if test -n "$ld_date"; then
1566 # If there was date string, but was earlier than 2002-04-04, fail
1567 gcc_cv_as_hidden="no"
1568 elif test -z "$ld_vers"; then
1569 # If there was no date string nor ld version number, something is wrong
1570 gcc_cv_as_hidden="no"
1572 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1573 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1574 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1575 test -z "$ld_vers_patch" && ld_vers_patch=0
1576 if test "$ld_vers_major" -lt 2; then
1577 gcc_cv_as_hidden="no"
1578 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1579 gcc_cv_as_hidden="no"
1580 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1581 -a "$ld_vers_patch" -eq 0; then
1582 gcc_cv_as_hidden="no"
1589 if test x"$gcc_cv_as_hidden" = xyes; then
1590 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1591 [Define if your assembler supports .hidden.])
1593 AC_MSG_RESULT($gcc_cv_as_hidden)
1594 libgcc_visibility=$gcc_cv_as_hidden
1597 if test x"$gnu_ld_flag" = x"no"; then
1598 # Even if using gas with .hidden support, the resulting object files
1599 # cannot be linked with the IRIX 6 O32 linker.
1600 libgcc_visibility=no
1604 AC_SUBST(libgcc_visibility)
1606 AC_MSG_CHECKING(assembler leb128 support)
1608 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1609 if test "$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
1610 gcc_cv_as_leb128="yes"
1612 elif test x$gcc_cv_as != x; then
1613 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1614 cat > conftest.s <<EOF
1622 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1623 gcc_cv_as_leb128="yes"
1625 # GAS versions before 2.11 do not support uleb128,
1626 # despite appearing to.
1627 # ??? There exists an elf-specific test that will crash
1628 # the assembler. Perhaps it's better to figure out whether
1629 # arbitrary sections are supported and try the test.
1630 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1631 if echo "$as_ver" | grep GNU > /dev/null; then
1633 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1634 as_major=`echo $as_ver | sed 's/\..*//'`
1635 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1637 if test $as_major -eq 2 -a $as_minor -lt 11; then
1638 gcc_cv_as_leb128="no"
1642 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1644 if test x"$gcc_cv_as_leb128" = xyes; then
1645 AC_DEFINE(HAVE_AS_LEB128, 1,
1646 [Define if your assembler supports .uleb128.])
1648 AC_MSG_RESULT($gcc_cv_as_leb128)
1650 AC_MSG_CHECKING(assembler eh_frame optimization)
1651 gcc_cv_as_eh_frame=no
1652 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1653 if test "$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
1654 gcc_cv_as_eh_frame="yes"
1656 elif test x$gcc_cv_as != x; then
1657 # Check if this is GAS.
1658 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1659 rm -f a.out 2> /dev/null
1660 if echo "$as_ver" | grep GNU > /dev/null; then
1661 # Versions up to and including 2.11.0 may mis-optimize
1662 # .eh_frame data. Try something.
1663 cat > conftest.s <<EOF
1670 .section .eh_frame,"aw",@progbits
1672 .4byte .LECIE1-.LSCIE1
1686 .4byte .LEFDE1-.LASFDE1
1688 .4byte .LASFDE1-__FRAME_BEGIN__
1697 cat > conftest.lit <<EOF
1698 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1699 0010 01000000 12000000 18000000 00000000 ................
1700 0020 08000000 04080000 0044 .........D
1702 cat > conftest.big <<EOF
1703 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1704 0010 00000001 00000012 00000018 00000000 ................
1705 0020 00000008 04000000 0844 .........D
1707 # If the assembler didn't choke, and we can objdump,
1708 # and we got the correct data, then succeed.
1709 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1710 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1711 | tail -3 > conftest.got \
1712 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1713 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1715 gcc_cv_as_eh_frame="yes"
1717 gcc_cv_as_eh_frame="bad"
1718 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1719 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1720 [Define if your assembler mis-optimizes .eh_frame data.])
1726 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1728 AC_MSG_CHECKING(assembler section merging support)
1729 gcc_cv_as_shf_merge=no
1730 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1731 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1732 gcc_cv_as_shf_merge=yes
1734 elif test x$gcc_cv_as != x; then
1735 # Check if we support SHF_MERGE sections
1736 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1737 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1738 gcc_cv_as_shf_merge=yes
1740 rm -f conftest.s conftest.o
1742 if test x"$gcc_cv_as_shf_merge" = xyes; then
1743 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1744 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1746 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1748 AC_MSG_CHECKING(assembler thread-local storage support)
1757 .section ".tdata","awT",@progbits
1760 ldq $27,__tls_get_addr($29) !literal!1
1761 lda $16,foo($29) !tlsgd!1
1762 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1763 ldq $27,__tls_get_addr($29) !literal!2
1764 lda $16,foo($29) !tlsldm!2
1765 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1766 ldq $1,foo($29) !gotdtprel
1767 ldah $2,foo($29) !dtprelhi
1768 lda $3,foo($2) !dtprello
1769 lda $4,foo($29) !dtprel
1770 ldq $1,foo($29) !gottprel
1771 ldah $2,foo($29) !tprelhi
1772 lda $3,foo($2) !tprello
1773 lda $4,foo($29) !tprel'
1780 .section ".tdata","awT",@progbits
1784 leal foo@TLSGD(,%ebx,1), %eax
1785 leal foo@TLSLDM(%ebx), %eax
1786 leal foo@DTPOFF(%eax), %edx
1787 movl foo@GOTTPOFF(%ebx), %eax
1788 subl foo@GOTTPOFF(%ebx), %eax
1789 movl $foo@TPOFF, %eax
1790 subl $foo@TPOFF, %eax
1791 leal foo@NTPOFF(%ecx), %eax'
1797 .section ".tdata","awT",@progbits
1800 addl r16 = @ltoff(@dtpmod(foo#)), gp
1801 addl r17 = @ltoff(@dtprel(foo#)), gp
1802 addl r18 = @ltoff(@tprel(foo#)), gp
1803 addl r19 = @dtprel(foo#), gp
1804 adds r21 = @dtprel(foo#), r13
1805 movl r23 = @dtprel(foo#)
1806 addl r20 = @tprel(foo#), gp
1807 adds r22 = @tprel(foo#), r13
1808 movl r24 = @tprel(foo#)'
1813 if test -z "$tls_first_major"; then
1815 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1817 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1818 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1819 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1822 elif test x$gcc_cv_as != x; then
1823 echo "$conftest_s" > conftest.s
1824 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1828 rm -f conftest.s conftest.o
1830 if test "$gcc_cv_as_tls" = yes; then
1831 AC_DEFINE(HAVE_AS_TLS, 1,
1832 [Define if your assembler supports thread-local storage.])
1834 AC_MSG_RESULT($gcc_cv_as_tls)
1837 # All TARGET_ABI_OSF targets.
1838 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1839 AC_CACHE_CHECK([assembler supports explicit relocations],
1840 gcc_cv_as_explicit_relocs, [
1841 gcc_cv_as_explicit_relocs=unknown
1842 if test x$gcc_cv_gas_major_version != x \
1843 -a x$gcc_cv_gas_minor_version != x
1845 if test "$gcc_cv_gas_major_version" -eq 2 \
1846 -a "$gcc_cv_gas_minor_version" -ge 12 \
1847 -o "$gcc_cv_gas_major_version" -gt 2; then
1848 gcc_cv_as_explicit_relocs=yes
1850 elif test x$gcc_cv_as != x; then
1851 cat > conftest.s << 'EOF'
1854 extbl $3, $2, $3 !lituse_bytoff!1
1855 ldq $2, a($29) !literal!1
1856 ldq $4, b($29) !literal!2
1857 ldq_u $3, 0($2) !lituse_base!1
1858 ldq $27, f($29) !literal!5
1859 jsr $26, ($27), f !lituse_jsr!5
1860 ldah $29, 0($26) !gpdisp!3
1861 lda $0, c($29) !gprel
1862 ldah $1, d($29) !gprelhigh
1863 lda $1, d($1) !gprellow
1864 lda $29, 0($29) !gpdisp!3
1866 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1867 gcc_cv_as_explicit_relocs=yes
1869 gcc_cv_as_explicit_relocs=no
1871 rm -f conftest.s conftest.o
1874 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1875 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1876 [Define if your assembler supports explicit relocations.])
1880 AC_CACHE_CHECK([assembler .register pseudo-op support],
1881 gcc_cv_as_register_pseudo_op, [
1882 gcc_cv_as_register_pseudo_op=unknown
1883 if test x$gcc_cv_as != x; then
1884 # Check if we have .register
1885 echo ".register %g2, #scratch" > conftest.s
1886 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1887 gcc_cv_as_register_pseudo_op=yes
1889 gcc_cv_as_register_pseudo_op=no
1891 rm -f conftest.s conftest.o
1894 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1895 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1896 [Define if your assembler supports .register.])
1899 AC_CACHE_CHECK([assembler supports -relax],
1900 gcc_cv_as_relax_opt, [
1901 gcc_cv_as_relax_opt=unknown
1902 if test x$gcc_cv_as != x; then
1903 # Check if gas supports -relax
1904 echo ".text" > conftest.s
1905 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1906 gcc_cv_as_relax_opt=yes
1908 gcc_cv_as_relax_opt=no
1910 rm -f conftest.s conftest.o
1913 if test "x$gcc_cv_as_relax_opt" = xyes; then
1914 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1915 [Define if your assembler supports -relax option.])
1918 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
1919 gcc_cv_as_sparc_ua_pcrel, [
1920 gcc_cv_as_sparc_ua_pcrel=unknown
1921 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
1922 gcc_cv_as_sparc_ua_pcrel=no
1923 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
1924 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1925 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
1926 gcc_cv_as_sparc_ua_pcrel=yes
1928 rm -f conftest.s conftest.o conftest
1931 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1932 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
1933 [Define if your assembler and linker support unaligned PC relative relocs.])
1936 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
1937 gcc_cv_as_sparc_ua_pcrel_hidden, [
1938 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1939 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
1940 if test x$gcc_cv_objdump != x; then
1941 gcc_cv_as_sparc_ua_pcrel_hidden=no
1942 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
1943 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
1944 echo "foo: .skip 4" >> conftest.s
1945 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1946 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
1947 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
1948 | grep ' 31000000 07323334' > /dev/null 2>&1; then
1949 if $gcc_cv_objdump -R conftest 2> /dev/null \
1950 | grep 'DISP32' > /dev/null 2>&1; then
1953 gcc_cv_as_sparc_ua_pcrel_hidden=yes
1957 rm -f conftest.s conftest.o conftest
1959 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
1962 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
1963 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
1964 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
1967 if test "x$gcc_cv_as_flags64" != xno; then
1968 AC_CACHE_CHECK([for assembler offsetable %lo() support],
1969 gcc_cv_as_offsetable_lo10, [
1970 gcc_cv_as_offsetable_lo10=unknown
1971 if test "x$gcc_cv_as" != x; then
1972 # Check if assembler has offsetable %lo()
1973 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
1974 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
1975 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
1977 $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
1978 > /dev/null 2>&1; then
1979 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
1980 gcc_cv_as_offsetable_lo10=no
1982 gcc_cv_as_offsetable_lo10=yes
1985 gcc_cv_as_offsetable_lo10=no
1987 rm -f conftest.s conftest.o conftest1.s conftest1.o
1990 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
1991 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
1992 [Define if your assembler supports offsetable %lo().])
1999 i[34567]86-*-* | x86_64-*-*)
2001 AC_MSG_CHECKING(assembler instructions)
2002 gcc_cv_as_instructions=
2003 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2004 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2005 gcc_cv_as_instructions="filds fists"
2007 elif test x$gcc_cv_as != x; then
2008 set "filds fists" "filds mem; fists mem"
2011 echo "$2" > conftest.s
2012 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2013 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2017 rm -f conftest.s conftest.o
2019 if test x"$gcc_cv_as_instructions" != x; then
2020 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2022 AC_MSG_RESULT($gcc_cv_as_instructions)
2024 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2025 gcc_cv_as_gotoff_in_data=no
2026 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2028 if test "$gcc_cv_gas_major_version" -eq 2 \
2029 -a "$gcc_cv_gas_minor_version" -ge 11 \
2030 -o "$gcc_cv_gas_major_version" -gt 2; then
2031 gcc_cv_as_gotoff_in_data=yes
2033 elif test x$gcc_cv_as != x; then
2034 cat > conftest.s <<EOF
2041 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2042 gcc_cv_as_gotoff_in_data=yes
2045 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2046 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2047 [Define true if the assembler supports '.long foo@GOTOFF'.])
2048 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2052 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2053 gcc_cv_as_dwarf2_debug_line=no
2054 # ??? Not all targets support dwarf2 debug_line, even within a version
2055 # of gas. Moreover, we need to emit a valid instruction to trigger any
2056 # info to the output file. So, as supported targets are added to gas 2.11,
2057 # add some instruction here to (also) show we expect this might work.
2058 # ??? Once 2.11 is released, probably need to add first known working
2059 # version to the per-target configury.
2061 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-* | hppa*-*-*)
2068 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2070 if test "$gcc_cv_gas_major_version" -eq 2 \
2071 -a "$gcc_cv_gas_minor_version" -ge 11 \
2072 -o "$gcc_cv_gas_major_version" -gt 2 \
2073 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2074 && test x"$insn" != x ; then
2075 gcc_cv_as_dwarf2_debug_line="yes"
2077 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2078 echo ' .file 1 "conftest.s"' > conftest.s
2079 echo ' .loc 1 3 0' >> conftest.s
2080 echo " $insn" >> conftest.s
2081 # ??? This fails with non-gnu grep.
2082 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2083 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2084 # The .debug_line file table must be in the exact order that
2085 # we specified the files, since these indices are also used
2086 # by DW_AT_decl_file. Approximate this test by testing if
2087 # the assembler bitches if the same index is assigned twice.
2088 echo ' .file 1 "foo.s"' > conftest.s
2089 echo ' .file 1 "bar.s"' >> conftest.s
2090 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2092 gcc_cv_as_dwarf2_debug_line="no"
2094 gcc_cv_as_dwarf2_debug_line="yes"
2097 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2099 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2100 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2101 [Define if your assembler supports dwarf2 .file/.loc directives,
2102 and preserves file table indices exactly as given.])
2104 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2106 AC_MSG_CHECKING(assembler --gdwarf2 support)
2107 gcc_cv_as_gdwarf2_flag=no
2108 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2110 if test "$gcc_cv_gas_major_version" -eq 2 \
2111 -a "$gcc_cv_gas_minor_version" -ge 11 \
2112 -o "$gcc_cv_gas_major_version" -gt 2 \
2113 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2114 && test x"$insn" != x ; then
2115 gcc_cv_as_gdwarf2_flag="yes"
2117 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2118 echo '' > conftest.s
2119 # ??? This fails with non-gnu grep.
2120 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2122 gcc_cv_as_gdwarf2_flag="yes"
2124 rm -f conftest.s conftest.o
2126 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2127 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2128 [Define if your assembler supports the --gdwarf2 option.])
2130 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2132 AC_MSG_CHECKING(assembler --gstabs support)
2133 gcc_cv_as_gstabs_flag=no
2134 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2136 if test "$gcc_cv_gas_major_version" -eq 2 \
2137 -a "$gcc_cv_gas_minor_version" -ge 11 \
2138 -o "$gcc_cv_gas_major_version" -gt 2 \
2139 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2140 && test x"$insn" != x ; then
2141 gcc_cv_as_gstabs_flag="yes"
2143 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2144 echo '' > conftest.s
2145 # ??? This fails with non-gnu grep.
2146 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2147 gcc_cv_as_gstabs_flag="yes"
2149 rm -f conftest.s conftest.o
2151 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2152 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2153 [Define if your assembler supports the --gstabs option.])
2155 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2157 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2158 gcc_cv_ld_eh_frame_hdr=no
2159 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2160 if test "$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
2161 gcc_cv_ld_eh_frame_hdr=yes
2163 elif test x$gcc_cv_ld != x; then
2164 # Check if linker supports --eh-frame-hdr option
2165 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2166 gcc_cv_ld_eh_frame_hdr=yes
2169 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2170 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2171 [Define if your linker supports --eh-frame-hdr option.])
2173 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2175 # Miscellaneous target-specific checks.
2178 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2179 gcc_cv_mips_libgloss_startup=no
2180 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2181 if test "x$exec_prefix" = xNONE; then
2182 if test "x$prefix" = xNONE; then
2183 test_prefix=/usr/local
2188 test_prefix=$exec_prefix
2190 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2192 if grep '^STARTUP' $f > /dev/null 2>&1; then
2193 gcc_cv_mips_libgloss_startup=yes
2197 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2198 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2199 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2201 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2205 if test "$prefix" != "/usr" && test "$prefix" != "/usr/local" ; then
2206 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2209 # Figure out what language subdirectories are present.
2210 # Look if the user specified --enable-languages="..."; if not, use
2211 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2213 # NB: embedded tabs in this IF block -- do not untabify
2214 if test x"${enable_languages+set}" != xset; then
2215 if test x"${LANGUAGES+set}" = xset; then
2216 enable_languages="${LANGUAGES}"
2217 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2220 enable_languages=all
2223 if test x"${enable_languages}" = x \
2224 || test x"${enable_languages}" = xyes;
2226 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2229 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2231 # First scan to see if an enabled language requires some other language.
2232 # We assume that a given config-lang.in will list all the language
2233 # front ends it requires, even if some are required indirectly.
2234 for lang in ${srcdir}/*/config-lang.in ..
2239 # The odd quoting in the next line works around
2240 # an apparent bug in bash 1.12 on linux.
2242 ${srcdir}/[*]/config-lang.in)
2245 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2246 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2247 for other in $this_lang_requires
2249 case ,${enable_languages}, in
2255 enable_languages="$enable_languages,$other"
2264 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2267 for lang in ${srcdir}/*/config-lang.in ..
2271 # The odd quoting in the next line works around
2272 # an apparent bug in bash 1.12 on linux.
2274 ${srcdir}/[*]/config-lang.in) ;;
2276 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2277 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2278 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2279 if test "x$lang_alias" = x
2281 echo "$lang doesn't set \$language." 1>&2
2284 case ${build_by_default},${enable_languages}, in
2285 *,$lang_alias,*) add_this_lang=yes ;;
2286 no,*) add_this_lang=no ;;
2287 *,all,*) add_this_lang=yes ;;
2288 *) add_this_lang=no ;;
2290 found_languages="${found_languages} ${lang_alias}"
2291 if test x"${add_this_lang}" = xyes; then
2293 ${srcdir}/ada/config-lang.in)
2294 if test x$have_gnat = xyes ; then
2295 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2299 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2309 for expected_language in ${expected_languages} ..
2311 if test "${expected_language}" != ..; then
2312 missing_language="${expected_language}"
2313 if test "${expected_language}" = "c" \
2314 || test "${expected_language}" = "all"; then
2317 for found_language in ${found_languages} ..
2319 if test "${found_language}" != ..; then
2320 if test "${expected_language}" = "${found_language}"; then
2325 if test "x${missing_language}" != x; then
2326 missing_languages="${missing_languages} ${missing_language}"
2331 if test "x$missing_languages" != x; then
2333 The following requested languages were not found:${missing_languages}
2334 The following languages were available: c${found_languages}])
2337 # Make gthr-default.h if we have a thread file.
2339 if test $thread_file != single; then
2340 rm -f gthr-default.h
2341 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2342 gthread_flags=-DHAVE_GTHR_DEFAULT
2344 AC_SUBST(gthread_flags)
2346 # Find out what GC implementation we want, or may, use.
2348 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2355 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2360 echo "Using $GGC for garbage collection."
2362 # Use the system's zlib library.
2364 zlibinc="-I\$(srcdir)/../zlib"
2365 AC_ARG_WITH(system-zlib,
2366 [ --with-system-zlib use installed libz],
2373 dnl Very limited version of automake's enable-maintainer-mode
2375 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2376 dnl maintainer-mode is disabled by default
2377 AC_ARG_ENABLE(maintainer-mode,
2378 [ --enable-maintainer-mode
2379 enable make rules and dependencies not useful
2380 (and sometimes confusing) to the casual installer],
2381 maintainer_mode=$enableval,
2384 AC_MSG_RESULT($maintainer_mode)
2386 if test "$maintainer_mode" = "yes"; then
2393 # With Setjmp/Longjmp based exception handling.
2394 AC_ARG_ENABLE(sjlj-exceptions,
2395 [ --enable-sjlj-exceptions
2396 arrange to use setjmp/longjmp exception handling],
2397 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
2398 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
2399 [Define 0/1 to force the choice for exception handling model.])])
2401 # Use libunwind based exception handling.
2402 AC_ARG_ENABLE(libunwind-exceptions,
2403 [ --enable-libunwind-exceptions force use libunwind for exceptions],
2404 use_libunwind_exceptions=$enableval,
2405 use_libunwind_exceptions=no)
2406 if test x"$use_libunwind_exceptions" = xyes; then
2407 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
2408 [Define if gcc should use -lunwind.])
2411 # Make empty files to contain the specs and options for each language.
2412 # Then add #include lines to for a compiler that has specs and/or options.
2417 for subdir in . $subdirs
2419 if test -f $srcdir/$subdir/lang-specs.h; then
2420 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2422 if test -f $srcdir/$subdir/lang-options.h; then
2423 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2425 if test -f $srcdir/$subdir/$subdir-tree.def; then
2426 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2430 # These (without "all_") are set in each config-lang.in.
2431 # `language' must be a single word so is spelled singularly.
2436 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2437 # List of language makefile fragments.
2439 # Files for gengtype
2440 all_gtfiles="$target_gtfiles"
2441 # Files for gengtype with language
2442 all_gtfiles_files_langs=
2443 all_gtfiles_files_files=
2445 # Add the language fragments.
2446 # Languages are added via two mechanisms. Some information must be
2447 # recorded in makefile variables, these are defined in config-lang.in.
2448 # We accumulate them and plug them into the main Makefile.
2449 # The other mechanism is a set of hooks for each of the main targets
2450 # like `clean', `install', etc.
2452 language_fragments="Make-lang"
2453 language_hooks="Make-hooks"
2455 for s in .. $subdirs
2465 . ${srcdir}/$s/config-lang.in
2466 if test "x$language" = x
2468 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2471 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2472 if test -f ${srcdir}/$s/Makefile.in
2473 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2475 all_languages="$all_languages $language"
2476 if test "x$boot_language" = xyes
2478 all_boot_languages="$all_boot_languages $language"
2480 all_compilers="$all_compilers $compilers"
2481 all_stagestuff="$all_stagestuff $stagestuff"
2482 all_outputs="$all_outputs $outputs"
2483 all_gtfiles="$all_gtfiles $gtfiles"
2484 for f in .. $gtfiles
2488 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2489 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2495 # Pick up gtfiles for c
2498 . ${srcdir}/c-config-lang.in
2499 all_gtfiles="$all_gtfiles $gtfiles"
2500 for f in .. $gtfiles
2504 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2505 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2510 for language in .. $all_languages
2512 if test $language != ".."
2514 check_languages="$check_languages check-$language"
2518 # Since we can't use `::' targets, we link each language in
2519 # with a set of hooks, reached indirectly via lang.${target}.
2523 target_list="all.build all.cross start.encap rest.encap \
2524 info dvi generated-manpages \
2525 install-normal install-common install-info install-man \
2527 mostlyclean clean distclean extraclean maintainer-clean \
2528 stage1 stage2 stage3 stage4"
2529 for t in $target_list
2532 for lang in .. $all_languages
2534 if test $lang != ".."; then
2538 echo "lang.$t: $x" >> Make-hooks
2543 echo "dir ." > .gdbinit
2544 echo "dir ${srcdir}" >> .gdbinit
2545 if test x$gdb_needs_out_file_path = xyes
2547 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2549 if test "x$subdirs" != x; then
2552 echo "dir ${srcdir}/$s" >> .gdbinit
2555 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2557 # Define variables host_canonical and build_canonical
2558 # because some Cygnus local changes in the Makefile depend on them.
2559 build_canonical=${build}
2560 host_canonical=${host}
2562 if test "${host}" != "${target}" ; then
2563 target_subdir=${target_alias}/
2565 AC_SUBST(build_canonical)
2566 AC_SUBST(host_canonical)
2567 AC_SUBST(target_subdir)
2569 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2570 # absolute path for gcc_tooldir based on inserting the number of up-directory
2571 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2572 # $(libsubdir)/@(unlibsubdir) based path.
2573 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2574 # make and thus we'd get different behavior depending on where we built the
2576 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2577 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2579 changequote(<<, >>)dnl
2580 # An explanation of the sed strings:
2581 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2582 # -e 's|/$||' match a trailing forward slash and eliminates it
2583 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2584 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2586 # (*) Note this pattern overwrites the first character of the string
2587 # with a forward slash if one is not already present. This is not a
2588 # problem because the exact names of the sub-directories concerned is
2589 # unimportant, just the number of them matters.
2591 # The practical upshot of these patterns is like this:
2593 # prefix exec_prefix result
2594 # ------ ----------- ------
2596 # /foo/ /foo/bar ../
2597 # /foo /foo/bar/ ../
2598 # /foo/ /foo/bar/ ../
2599 # /foo /foo/bar/ugg ../../
2602 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2603 changequote([, ])dnl
2605 AC_SUBST(gcc_tooldir)
2608 # Find a directory in which to install a shared libgcc.
2610 AC_ARG_ENABLE(version-specific-runtime-libs,
2611 [ --enable-version-specific-runtime-libs
2612 specify that runtime libraries should be
2613 installed in a compiler-specific directory])
2615 AC_ARG_WITH(slibdir,
2616 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2617 slibdir="$with_slibdir",
2618 if test "${enable_version_specific_runtime_libs+set}" = set; then
2619 slibdir='$(libsubdir)'
2620 elif test "$host" != "$target"; then
2621 slibdir='$(build_tooldir)/lib'
2627 # Nothing to do for FLOAT_H, float_format already handled.
2628 objdir=`${PWDCMD-pwd}`
2631 # Process the language and host/target makefile fragments.
2632 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2634 # Substitute configuration variables
2637 AC_SUBST(all_boot_languages)
2638 AC_SUBST(all_compilers)
2639 AC_SUBST(all_gtfiles)
2640 AC_SUBST(all_gtfiles_files_langs)
2641 AC_SUBST(all_gtfiles_files_files)
2642 AC_SUBST(all_lang_makefiles)
2643 AC_SUBST(all_languages)
2644 AC_SUBST(all_stagestuff)
2645 AC_SUBST(build_exeext)
2646 AC_SUBST(build_install_headers_dir)
2647 AC_SUBST(build_xm_file_list)
2648 AC_SUBST(build_xm_file)
2649 AC_SUBST(build_xm_defines)
2650 AC_SUBST(check_languages)
2651 AC_SUBST(cc_set_by_configure)
2652 AC_SUBST(quoted_cc_set_by_configure)
2653 AC_SUBST(cpp_install_dir)
2654 AC_SUBST(dep_host_xmake_file)
2655 AC_SUBST(dep_tmake_file)
2656 AC_SUBST(extra_headers_list)
2657 AC_SUBST(extra_objs)
2658 AC_SUBST(extra_parts)
2659 AC_SUBST(extra_passes)
2660 AC_SUBST(extra_programs)
2661 AC_SUBST(float_h_file)
2662 AC_SUBST(gcc_config_arguments)
2663 AC_SUBST(gcc_gxx_include_dir)
2664 AC_SUBST(libstdcxx_incdir)
2665 AC_SUBST(gcc_version)
2666 AC_SUBST(gcc_version_full)
2667 AC_SUBST(gcc_version_trigger)
2668 AC_SUBST(host_exeext)
2669 AC_SUBST(host_extra_gcc_objs)
2670 AC_SUBST(host_xm_file_list)
2671 AC_SUBST(host_xm_file)
2672 AC_SUBST(host_xm_defines)
2674 AC_SUBST(lang_options_files)
2675 AC_SUBST(lang_specs_files)
2676 AC_SUBST(lang_tree_files)
2677 AC_SUBST(local_prefix)
2679 AC_SUBST(objc_boehm_gc)
2681 AC_SUBST(out_object_file)
2682 AC_SUBST(stage_prefix_set_by_configure)
2683 AC_SUBST(quoted_stage_prefix_set_by_configure)
2684 AC_SUBST(symbolic_link)
2685 AC_SUBST(thread_file)
2686 AC_SUBST(tm_file_list)
2688 AC_SUBST(tm_defines)
2689 AC_SUBST(tm_p_file_list)
2692 AC_SUBST(xm_defines)
2693 AC_SUBST(target_alias)
2694 AC_SUBST(c_target_objs)
2695 AC_SUBST(cxx_target_objs)
2696 AC_SUBST(target_cpu_default)
2698 AC_SUBST_FILE(target_overrides)
2699 AC_SUBST_FILE(host_overrides)
2700 AC_SUBST_FILE(language_fragments)
2701 AC_SUBST_FILE(language_hooks)
2703 # Echo that links are built
2704 if test x$host = x$target
2712 if test x$host != x$build
2714 str3=" on a $build system"
2717 if test "x$str2" != x || test "x$str3" != x
2722 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2724 if test "x$str2" != x || test "x$str3" != x
2726 echo " ${str2}${str3}." 1>&2
2729 # Truncate the target if necessary
2730 if test x$host_truncate_target != x; then
2731 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2734 # Configure the subdirectories
2735 # AC_CONFIG_SUBDIRS($subdirs)
2737 # Create the Makefile
2738 # and configure language subdirectories
2739 AC_OUTPUT($all_outputs,
2741 case x$CONFIG_HEADERS in
2742 xauto-host.h:config.in)
2745 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2746 # bootstrapping and the installation procedure can still use
2747 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2748 # FLAGS_TO_PASS has been modified to solve the problem there.
2749 # This is virtually a duplicate of what happens in configure.lang; we do
2750 # an extra check to make sure this only happens if ln -s can be used.
2751 if test "$symbolic_link" = "ln -s"; then
2752 for d in .. ${subdirs} fixinc ; do
2753 if test $d != ..; then
2754 STARTDIR=`${PWDCMD-pwd}`
2756 for t in stage1 stage2 stage3 stage4 include
2759 $symbolic_link ../$t $t 2>/dev/null
2765 # Avoid having to add intl to our include paths.
2766 if test -f intl/libintl.h; then
2767 echo creating libintl.h
2768 echo '#include "intl/libintl.h"' >libintl.h
2772 symbolic_link='$symbolic_link'