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='${libsubdir}/include/g++'
172 topsrcdir=${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 -f $srcdir/config/${cpu_type}/${cpu_type}-modes.def; then
874 extra_modes_file='$(srcdir)/config/'${cpu_type}/${cpu_type}-modes.def
875 AC_SUBST(extra_modes_file)
876 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE,
877 "${cpu_type}/${cpu_type}-modes.def",
878 [Define to the name of a file containing a list of extra machine modes
879 for this architecture.])
880 AC_DEFINE(EXTRA_CC_MODES, 1,
881 [Define if the target architecture needs extra machine modes to represent
882 the results of comparisons.])
885 # auto-host.h is the file containing items generated by autoconf and is
886 # the first file included by config.h.
887 # If host=build, it is correct to have hconfig include auto-host.h
888 # as well. If host!=build, we are in error and need to do more
889 # work to find out the build config parameters.
890 if test x$host = x$build
892 build_auto=auto-host.h
895 # We create a subdir, then run autoconf in the subdir.
896 # To prevent recursion we set host and build for the new
897 # invocation of configure to the build for this invocation
904 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
905 *) realsrcdir=../${srcdir};;
907 saved_CFLAGS="${CFLAGS}"
908 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
909 ${realsrcdir}/configure \
910 --target=$target_alias --host=$build_alias --build=$build_alias
911 CFLAGS="${saved_CFLAGS}"
913 # We just finished tests for the build machine, so rename
914 # the file auto-build.h in the gcc directory.
915 mv auto-host.h ../auto-build.h
918 build_auto=auto-build.h
923 tm_file="${tm_file} defaults.h"
924 host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}"
925 build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}"
926 xm_file="ansidecl.h ${xm_file} ${tm_file}"
928 # Truncate the target if necessary
929 if test x$host_truncate_target != x; then
930 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
933 # Get the version trigger filename from the toplevel
934 if test "${with_gcc_version_trigger+set}" = set; then
935 gcc_version_trigger=$with_gcc_version_trigger
937 gcc_version_trigger=${srcdir}/version.c
940 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
941 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
943 # Compile in configure arguments.
944 if test -f configargs.h ; then
945 # Being re-configured.
946 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
947 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
949 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
951 cat > configargs.h <<EOF
952 /* Generated automatically. */
953 static const char configuration_arguments[] = "$gcc_config_arguments";
954 static const char thread_model[] = "$thread_file";
958 # Internationalization
960 VERSION="$gcc_version"
964 # Enable NLS support by default
966 [ --enable-nls use Native Language Support (default)],
969 # if cross compiling, disable NLS support.
970 # It's not worth the trouble, at least for now.
972 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
973 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
979 # Windows32 Registry support for specifying GCC installation paths.
980 AC_ARG_ENABLE(win32-registry,
981 [ --disable-win32-registry
982 disable lookup of installation paths in the
983 Registry on Windows hosts
984 --enable-win32-registry enable registry lookup (default)
985 --enable-win32-registry=KEY
986 use KEY instead of GCC version as the last portion
987 of the registry key],,)
989 win32 | pe | cygwin* | mingw32* | uwin*)
990 AC_MSG_CHECKING(whether windows registry support is requested)
991 if test "x$enable_win32_registry" != xno; then
992 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
993 [Define to 1 if installation paths should be looked up in Windows32
994 Registry. Ignored on non windows32 hosts.])
996 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1001 # Check if user specified a different registry key.
1002 case "x${enable_win32_registry}" in
1005 gcc_cv_win32_registry_key="$VERSION"
1008 # no registry lookup.
1009 gcc_cv_win32_registry_key=''
1012 # user-specified key.
1013 gcc_cv_win32_registry_key="$enable_win32_registry"
1017 if test "x$enable_win32_registry" != xno; then
1018 AC_MSG_CHECKING(registry key on windows hosts)
1019 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1020 [Define to be the last portion of registry key on windows hosts.])
1021 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1026 # Get an absolute path to the GCC top-level source directory
1027 holddir=`${PWDCMD-pwd}`
1029 topdir=`${PWDCMD-pwd}`
1032 # Conditionalize the makefile for this host machine.
1033 # Make-host contains the concatenation of all host makefile fragments
1034 # [there can be more than one]. This file is built by configure.frag.
1035 host_overrides=Make-host
1036 dep_host_xmake_file=
1037 for f in .. ${host_xmake_file}
1039 if test -f ${srcdir}/config/$f
1041 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1045 # Conditionalize the makefile for this target machine.
1046 # Make-target contains the concatenation of all host makefile fragments
1047 # [there can be more than one]. This file is built by configure.frag.
1048 target_overrides=Make-target
1050 for f in .. ${tmake_file}
1052 if test -f ${srcdir}/config/$f
1054 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1058 # If the host doesn't support symlinks, modify CC in
1059 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1060 # Otherwise, we can use "CC=$(CC)".
1062 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1064 cc_set_by_configure="\$(CC)"
1065 quoted_cc_set_by_configure="\$(CC)"
1066 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1067 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1070 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1072 symbolic_link="cp -p"
1076 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1077 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1078 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1079 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1083 out_object_file=`basename $out_file .c`.o
1086 for f in $tm_file; do
1089 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1091 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1092 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1097 for f in $tm_p_file; do
1098 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1102 for f in $host_xm_file; do
1105 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1107 host_xm_file_list="${host_xm_file_list} $f" ;;
1109 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1110 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1115 for f in $build_xm_file; do
1118 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1119 auto-build.h | auto-host.h )
1120 build_xm_file_list="${build_xm_file_list} $f" ;;
1122 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1123 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1127 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1128 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1129 CROSS= AC_SUBST(CROSS)
1130 ALL=all.internal AC_SUBST(ALL)
1131 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1132 if test x$host != x$target
1134 CROSS="-DCROSS_COMPILE"
1136 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1137 case "$host","$target" in
1138 i?86-*-*,x86_64-*-* \
1139 | powerpc*-*-*,powerpc64*-*-*)
1140 CROSS="$CROSS -DNATIVE_CROSS" ;;
1144 # If this is a cross-compiler that does not
1145 # have its own set of headers then define
1148 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1149 # This prevents libgcc2 from containing any code which requires libc
1152 if [test x$host != x$target] && [test x$with_headers = x]; then
1153 inhibit_libc=-Dinhibit_libc
1155 if [test x$with_newlib = xyes]; then
1156 inhibit_libc=-Dinhibit_libc
1159 AC_SUBST(inhibit_libc)
1161 # When building gcc with a cross-compiler, we need to adjust things so
1162 # that the generator programs are still built with the native compiler.
1163 # Also, we cannot run fixincludes or fix-header.
1164 # Note that the terminology here is wrong; it should be BUILD_* throughout.
1167 # These are the normal (build=host) settings:
1168 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1169 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1170 HOST_CC='$(CC)' AC_SUBST(HOST_CC)
1171 HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
1173 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1174 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1176 # And these apply if build != host.
1177 if test x$build != x$host
1180 BUILD_PREFIX_1=build-
1181 HOST_CC='$(CC_FOR_BUILD)'
1182 HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1188 # Expand extra_headers to include complete path.
1189 # This substitutes for lots of t-* files.
1191 if test "x$extra_headers" = x
1194 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1195 for file in $extra_headers;
1197 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1201 if test x$use_collect2 = xno; then
1205 # Add a definition of USE_COLLECT2 if system wants one.
1206 if test x$use_collect2 != x
1208 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1209 xm_defines="${xm_defines} USE_COLLECT2"
1212 # If we have gas in the build tree, make a link to it.
1213 if test -f ../gas/Makefile; then
1214 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1217 # If we have nm and objdump in the build tree, make a link to them.
1218 if test -f ../binutils/Makefile; then
1219 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1220 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1223 # If we have ld in the build tree, make a link to it.
1224 if test -f ../ld/Makefile; then
1225 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1228 # Figure out what assembler we will be using.
1229 AC_MSG_CHECKING(what assembler to use)
1231 gcc_cv_gas_major_version=
1232 gcc_cv_gas_minor_version=
1233 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1234 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1235 if test -x "$DEFAULT_ASSEMBLER"; then
1236 gcc_cv_as="$DEFAULT_ASSEMBLER"
1237 elif test -x "$AS"; then
1239 elif test -x as$host_exeext; then
1240 # Build using assembler in the current directory.
1241 gcc_cv_as=./as$host_exeext
1242 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1243 # Single tree build which includes gas.
1244 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
1247 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1249 if test x$gcc_cv_gas_version != x; then
1254 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1255 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1256 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1260 if test "x$gcc_cv_as" = x; then
1261 # Search the same directories that the installed compiler will
1262 # search. Else we may find the wrong assembler and lose. If we
1263 # do not find a suitable assembler binary, then try the user's
1266 # Also note we have to check MD_EXEC_PREFIX before checking the
1267 # user's path. Unfortunately, there is no good way to get at the
1268 # value of MD_EXEC_PREFIX here. So we do a brute force search
1269 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1270 # to be fixed as part of the make/configure rewrite too.
1272 if test "x$exec_prefix" = xNONE; then
1273 if test "x$prefix" = xNONE; then
1274 test_prefix=/usr/local
1279 test_prefix=$exec_prefix
1282 # If the loop below does not find an assembler, then use whatever
1283 # one we can find in the users's path.
1285 if test "x$program_prefix" != xNONE; then
1286 gcc_cv_as=${program_prefix}as$host_exeext
1288 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1291 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1292 $test_prefix/lib/gcc-lib/$target_alias \
1293 /usr/lib/gcc/$target_alias/$gcc_version \
1294 /usr/lib/gcc/$target_alias \
1295 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1296 $test_prefix/$target_alias/bin"
1298 if test x$host = x$target; then
1299 test_dirs="$test_dirs \
1304 /bsd43/usr/lib/cmplrs/cc \
1305 /usr/cross64/usr/bin \
1306 /usr/lib/cmplrs/cc \
1307 /sysv/usr/lib/cmplrs/cc \
1308 /svr4/usr/lib/cmplrs/cc \
1312 for dir in $test_dirs; do
1313 if test -x $dir/as$host_exeext; then
1314 gcc_cv_as=$dir/as$host_exeext
1319 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1320 AC_MSG_RESULT("newly built gas")
1322 AC_MSG_RESULT($gcc_cv_as)
1325 # Figure out what linker we will be using.
1326 AC_MSG_CHECKING(what linker to use)
1328 gcc_cv_gld_major_version=
1329 gcc_cv_gld_minor_version=
1330 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1331 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1332 if test -x "$DEFAULT_LINKER"; then
1333 gcc_cv_ld="$DEFAULT_LINKER"
1334 elif test -x "$LD"; then
1336 elif test -x ld$host_exeext; then
1337 # Build using linker in the current directory.
1338 gcc_cv_ld=./ld$host_exeext
1339 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1340 # Single tree build which includes ld.
1341 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
1344 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1346 if test x$gcc_cv_gld_version != x; then
1351 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1352 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1356 if test "x$gcc_cv_ld" = x; then
1357 # Search the same directories that the installed compiler will
1358 # search. Else we may find the wrong linker and lose. If we
1359 # do not find a suitable linker binary, then try the user's
1362 # Also note we have to check MD_EXEC_PREFIX before checking the
1363 # user's path. Unfortunately, there is no good way to get at the
1364 # value of MD_EXEC_PREFIX here. So we do a brute force search
1365 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1366 # to be fixed as part of the make/configure rewrite too.
1368 if test "x$exec_prefix" = xNONE; then
1369 if test "x$prefix" = xNONE; then
1370 test_prefix=/usr/local
1375 test_prefix=$exec_prefix
1378 # If the loop below does not find an linker, then use whatever
1379 # one we can find in the users's path.
1381 if test "x$program_prefix" != xNONE; then
1382 gcc_cv_ld=${program_prefix}ld$host_exeext
1384 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1387 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1388 $test_prefix/lib/gcc-lib/$target_alias \
1389 /usr/lib/gcc/$target_alias/$gcc_version \
1390 /usr/lib/gcc/$target_alias \
1391 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1392 $test_prefix/$target_alias/bin"
1394 if test x$host = x$target; then
1395 test_dirs="$test_dirs \
1400 /bsd43/usr/lib/cmplrs/cc \
1401 /usr/cross64/usr/bin \
1402 /usr/lib/cmplrs/cc \
1403 /sysv/usr/lib/cmplrs/cc \
1404 /svr4/usr/lib/cmplrs/cc \
1408 for dir in $test_dirs; do
1409 if test -x $dir/ld$host_exeext; then
1410 gcc_cv_ld=$dir/ld$host_exeext
1415 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1416 AC_MSG_RESULT("newly built ld")
1418 AC_MSG_RESULT($gcc_cv_ld)
1421 # Figure out what nm we will be using.
1422 AC_MSG_CHECKING(what nm to use)
1423 if test -x nm$host_exeext; then
1424 gcc_cv_nm=./nm$host_exeext
1425 elif test "x$program_prefix" != xNONE; then
1426 gcc_cv_nm=${program_prefix}nm$host_exeext
1428 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1430 AC_MSG_RESULT($gcc_cv_nm)
1432 # Figure out what objdump we will be using.
1433 AC_MSG_CHECKING(what objdump to use)
1434 if test -x objdump$host_exeext; then
1435 gcc_cv_objdump=./objdump$host_exeext
1436 elif test "x$program_prefix" != xNONE; then
1437 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1439 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1441 AC_MSG_RESULT($gcc_cv_objdump)
1443 # Figure out what assembler alignment features are present.
1444 AC_MSG_CHECKING(assembler alignment features)
1445 gcc_cv_as_alignment_features=none
1446 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1447 # Gas version 2.6 and later support for .balign and .p2align.
1448 # bytes to skip when using .p2align.
1449 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1450 gcc_cv_as_alignment_features=".balign and .p2align"
1451 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1453 # Gas version 2.8 and later support specifying the maximum
1454 # bytes to skip when using .p2align.
1455 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1456 gcc_cv_as_alignment_features=".p2align including maximum skip"
1457 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1459 elif test x$gcc_cv_as != x; then
1460 # Check if we have .balign and .p2align
1461 echo ".balign 4" > conftest.s
1462 echo ".p2align 2" >> conftest.s
1463 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1464 gcc_cv_as_alignment_features=".balign and .p2align"
1465 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1467 rm -f conftest.s conftest.o
1468 # Check if specifying the maximum bytes to skip when
1469 # using .p2align is supported.
1470 echo ".p2align 4,,7" > conftest.s
1471 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1472 gcc_cv_as_alignment_features=".p2align including maximum skip"
1473 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1475 rm -f conftest.s conftest.o
1477 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1479 AC_MSG_CHECKING(assembler subsection support)
1480 gcc_cv_as_subsections=no
1481 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1482 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1483 gcc_cv_as_subsections="working .subsection -1"
1485 elif test x$gcc_cv_as != x; then
1486 # Check if we have .subsection
1487 echo ".subsection 1" > conftest.s
1488 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1489 gcc_cv_as_subsections=".subsection"
1490 if test x$gcc_cv_nm != x; then
1491 cat > conftest.s <<EOF
1492 conftest_label1: .word 0
1494 conftest_label2: .word 0
1497 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1498 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1499 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1500 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1503 gcc_cv_as_subsections="working .subsection -1"
1508 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1510 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1511 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1512 [Define if your assembler supports .subsection and .subsection -1 starts
1513 emitting at the beginning of your section.])
1515 AC_MSG_RESULT($gcc_cv_as_subsections)
1517 AC_MSG_CHECKING(assembler weak support)
1519 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1520 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1521 gcc_cv_as_weak="yes"
1523 elif test x$gcc_cv_as != x; then
1524 # Check if we have .weak
1525 echo " .weak foobar" > conftest.s
1526 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1527 gcc_cv_as_weak="yes"
1529 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1531 if test x"$gcc_cv_as_weak" = xyes; then
1532 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1534 AC_MSG_RESULT($gcc_cv_as_weak)
1536 AC_MSG_CHECKING(assembler hidden support)
1538 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1539 if test "$gcc_cv_gas_major_version" -eq 2 \
1540 -a "$gcc_cv_gas_minor_version" -eq 12 \
1541 -a "$gcc_cv_gas_patch_version" -ge 1 \
1542 -o "$gcc_cv_gas_major_version" -eq 2 \
1543 -a "$gcc_cv_gas_minor_version" -gt 12 \
1544 -o "$gcc_cv_gas_major_version" -gt 2 \
1545 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1546 gcc_cv_as_hidden="yes"
1548 elif test x$gcc_cv_as != x; then
1549 # Check if we have .hidden
1550 echo " .hidden foobar" > conftest.s
1551 echo "foobar:" >> conftest.s
1552 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1553 gcc_cv_as_hidden="yes"
1555 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1557 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1558 # This is irritatingly difficult to feature test for. Look for
1559 # the date string after the version number.
1560 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1561 if echo "$ld_ver" | grep GNU > /dev/null; then
1563 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1564 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1565 if test 0"$ld_date" -lt 20020404; then
1566 if test -n "$ld_date"; then
1567 # If there was date string, but was earlier than 2002-04-04, fail
1568 gcc_cv_as_hidden="no"
1569 elif test -z "$ld_vers"; then
1570 # If there was no date string nor ld version number, something is wrong
1571 gcc_cv_as_hidden="no"
1573 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1574 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1575 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1576 test -z "$ld_vers_patch" && ld_vers_patch=0
1577 if test "$ld_vers_major" -lt 2; then
1578 gcc_cv_as_hidden="no"
1579 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1580 gcc_cv_as_hidden="no"
1581 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1582 -a "$ld_vers_patch" -eq 0; then
1583 gcc_cv_as_hidden="no"
1590 if test x"$gcc_cv_as_hidden" = xyes; then
1591 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1592 [Define if your assembler supports .hidden.])
1594 AC_MSG_RESULT($gcc_cv_as_hidden)
1595 libgcc_visibility=$gcc_cv_as_hidden
1596 AC_SUBST(libgcc_visibility)
1598 AC_MSG_CHECKING(assembler leb128 support)
1600 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1601 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 11 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1602 gcc_cv_as_leb128="yes"
1604 elif test x$gcc_cv_as != x; then
1605 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1606 cat > conftest.s <<EOF
1614 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1615 gcc_cv_as_leb128="yes"
1617 # GAS versions before 2.11 do not support uleb128,
1618 # despite appearing to.
1619 # ??? There exists an elf-specific test that will crash
1620 # the assembler. Perhaps it's better to figure out whether
1621 # arbitrary sections are supported and try the test.
1622 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1623 if echo "$as_ver" | grep GNU > /dev/null; then
1625 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1626 as_major=`echo $as_ver | sed 's/\..*//'`
1627 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1629 if test $as_major -eq 2 -a $as_minor -lt 11; then
1630 gcc_cv_as_leb128="no"
1634 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1636 if test x"$gcc_cv_as_leb128" = xyes; then
1637 AC_DEFINE(HAVE_AS_LEB128, 1,
1638 [Define if your assembler supports .uleb128.])
1640 AC_MSG_RESULT($gcc_cv_as_leb128)
1642 AC_MSG_CHECKING(assembler eh_frame optimization)
1643 gcc_cv_as_eh_frame=no
1644 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1645 if test "$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
1646 gcc_cv_as_eh_frame="yes"
1648 elif test x$gcc_cv_as != x; then
1649 # Check if this is GAS.
1650 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1651 rm -f a.out 2> /dev/null
1652 if echo "$as_ver" | grep GNU > /dev/null; then
1653 # Versions up to and including 2.11.0 may mis-optimize
1654 # .eh_frame data. Try something.
1655 cat > conftest.s <<EOF
1662 .section .eh_frame,"aw",@progbits
1664 .4byte .LECIE1-.LSCIE1
1678 .4byte .LEFDE1-.LASFDE1
1680 .4byte .LASFDE1-__FRAME_BEGIN__
1689 cat > conftest.lit <<EOF
1690 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1691 0010 01000000 12000000 18000000 00000000 ................
1692 0020 08000000 04080000 0044 .........D
1694 cat > conftest.big <<EOF
1695 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1696 0010 00000001 00000012 00000018 00000000 ................
1697 0020 00000008 04000000 0844 .........D
1699 # If the assembler didn't choke, and we can objdump,
1700 # and we got the correct data, then succeed.
1701 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1702 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1703 | tail -3 > conftest.got \
1704 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1705 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1707 gcc_cv_as_eh_frame="yes"
1709 gcc_cv_as_eh_frame="bad"
1710 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1711 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1712 [Define if your assembler mis-optimizes .eh_frame data.])
1718 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1720 AC_MSG_CHECKING(assembler section merging support)
1721 gcc_cv_as_shf_merge=no
1722 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1723 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1724 gcc_cv_as_shf_merge=yes
1726 elif test x$gcc_cv_as != x; then
1727 # Check if we support SHF_MERGE sections
1728 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1729 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1730 gcc_cv_as_shf_merge=yes
1732 rm -f conftest.s conftest.o
1734 if test x"$gcc_cv_as_shf_merge" = xyes; then
1735 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1736 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1738 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1740 AC_MSG_CHECKING(assembler thread-local storage support)
1749 .section ".tdata","awT",@progbits
1752 ldq $27,__tls_get_addr($29) !literal!1
1753 lda $16,foo($29) !tlsgd!1
1754 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1755 ldq $27,__tls_get_addr($29) !literal!2
1756 lda $16,foo($29) !tlsldm!2
1757 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1758 ldq $1,foo($29) !gotdtprel
1759 ldah $2,foo($29) !dtprelhi
1760 lda $3,foo($2) !dtprello
1761 lda $4,foo($29) !dtprel
1762 ldq $1,foo($29) !gottprel
1763 ldah $2,foo($29) !tprelhi
1764 lda $3,foo($2) !tprello
1765 lda $4,foo($29) !tprel'
1772 .section ".tdata","awT",@progbits
1776 leal foo@TLSGD(,%ebx,1), %eax
1777 leal foo@TLSLDM(%ebx), %eax
1778 leal foo@DTPOFF(%eax), %edx
1779 movl foo@GOTTPOFF(%ebx), %eax
1780 subl foo@GOTTPOFF(%ebx), %eax
1781 movl $foo@TPOFF, %eax
1782 subl $foo@TPOFF, %eax
1783 leal foo@NTPOFF(%ecx), %eax'
1789 .section ".tdata","awT",@progbits
1792 addl r16 = @ltoff(@dtpmod(foo#)), gp
1793 addl r17 = @ltoff(@dtprel(foo#)), gp
1794 addl r18 = @ltoff(@tprel(foo#)), gp
1795 addl r19 = @dtprel(foo#), gp
1796 adds r21 = @dtprel(foo#), r13
1797 movl r23 = @dtprel(foo#)
1798 addl r20 = @tprel(foo#), gp
1799 adds r22 = @tprel(foo#), r13
1800 movl r24 = @tprel(foo#)'
1805 if test -z "$tls_first_major"; then
1807 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1809 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1810 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1811 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1814 elif test x$gcc_cv_as != x; then
1815 echo "$conftest_s" > conftest.s
1816 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1820 rm -f conftest.s conftest.o
1822 if test "$gcc_cv_as_tls" = yes; then
1823 AC_DEFINE(HAVE_AS_TLS, 1,
1824 [Define if your assembler supports thread-local storage.])
1826 AC_MSG_RESULT($gcc_cv_as_tls)
1829 # All TARGET_ABI_OSF targets.
1830 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1831 AC_CACHE_CHECK([assembler supports explicit relocations],
1832 gcc_cv_as_explicit_relocs, [
1833 gcc_cv_as_explicit_relocs=unknown
1834 if test x$gcc_cv_gas_major_version != x \
1835 -a x$gcc_cv_gas_minor_version != x
1837 if test "$gcc_cv_gas_major_version" -eq 2 \
1838 -a "$gcc_cv_gas_minor_version" -ge 12 \
1839 -o "$gcc_cv_gas_major_version" -gt 2; then
1840 gcc_cv_as_explicit_relocs=yes
1842 elif test x$gcc_cv_as != x; then
1843 cat > conftest.s << 'EOF'
1846 extbl $3, $2, $3 !lituse_bytoff!1
1847 ldq $2, a($29) !literal!1
1848 ldq $4, b($29) !literal!2
1849 ldq_u $3, 0($2) !lituse_base!1
1850 ldq $27, f($29) !literal!5
1851 jsr $26, ($27), f !lituse_jsr!5
1852 ldah $29, 0($26) !gpdisp!3
1853 lda $0, c($29) !gprel
1854 ldah $1, d($29) !gprelhigh
1855 lda $1, d($1) !gprellow
1856 lda $29, 0($29) !gpdisp!3
1858 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1859 gcc_cv_as_explicit_relocs=yes
1861 gcc_cv_as_explicit_relocs=no
1863 rm -f conftest.s conftest.o
1866 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1867 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1868 [Define if your assembler supports explicit relocations.])
1872 AC_CACHE_CHECK([assembler .register pseudo-op support],
1873 gcc_cv_as_register_pseudo_op, [
1874 gcc_cv_as_register_pseudo_op=unknown
1875 if test x$gcc_cv_as != x; then
1876 # Check if we have .register
1877 echo ".register %g2, #scratch" > conftest.s
1878 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1879 gcc_cv_as_register_pseudo_op=yes
1881 gcc_cv_as_register_pseudo_op=no
1883 rm -f conftest.s conftest.o
1886 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1887 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1888 [Define if your assembler supports .register.])
1891 AC_CACHE_CHECK([assembler supports -relax],
1892 gcc_cv_as_relax_opt, [
1893 gcc_cv_as_relax_opt=unknown
1894 if test x$gcc_cv_as != x; then
1895 # Check if gas supports -relax
1896 echo ".text" > conftest.s
1897 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1898 gcc_cv_as_relax_opt=yes
1900 gcc_cv_as_relax_opt=no
1902 rm -f conftest.s conftest.o
1905 if test "x$gcc_cv_as_relax_opt" = xyes; then
1906 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1907 [Define if your assembler supports -relax option.])
1910 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
1911 gcc_cv_as_sparc_ua_pcrel, [
1912 gcc_cv_as_sparc_ua_pcrel=unknown
1913 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
1914 gcc_cv_as_sparc_ua_pcrel=no
1915 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
1916 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1917 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
1918 gcc_cv_as_sparc_ua_pcrel=yes
1920 rm -f conftest.s conftest.o conftest
1923 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1924 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
1925 [Define if your assembler and linker support unaligned PC relative relocs.])
1928 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
1929 gcc_cv_as_sparc_ua_pcrel_hidden, [
1930 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1931 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
1932 if test x$gcc_cv_objdump != x; then
1933 gcc_cv_as_sparc_ua_pcrel_hidden=no
1934 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
1935 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
1936 echo "foo: .skip 4" >> conftest.s
1937 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1938 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
1939 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
1940 | grep ' 31000000 07323334' > /dev/null 2>&1; then
1941 if $gcc_cv_objdump -R conftest 2> /dev/null \
1942 | grep 'DISP32' > /dev/null 2>&1; then
1945 gcc_cv_as_sparc_ua_pcrel_hidden=yes
1949 rm -f conftest.s conftest.o conftest
1951 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
1954 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
1955 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
1956 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
1959 if test "x$gcc_cv_as_flags64" != xno; then
1960 AC_CACHE_CHECK([for assembler offsetable %lo() support],
1961 gcc_cv_as_offsetable_lo10, [
1962 gcc_cv_as_offsetable_lo10=unknown
1963 if test "x$gcc_cv_as" != x; then
1964 # Check if assembler has offsetable %lo()
1965 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
1966 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
1967 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
1969 $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
1970 > /dev/null 2>&1; then
1971 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
1972 gcc_cv_as_offsetable_lo10=no
1974 gcc_cv_as_offsetable_lo10=yes
1977 gcc_cv_as_offsetable_lo10=no
1979 rm -f conftest.s conftest.o conftest1.s conftest1.o
1982 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
1983 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
1984 [Define if your assembler supports offsetable %lo().])
1991 i[34567]86-*-* | x86_64-*-*)
1993 AC_MSG_CHECKING(assembler instructions)
1994 gcc_cv_as_instructions=
1995 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1996 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
1997 gcc_cv_as_instructions="filds fists"
1999 elif test x$gcc_cv_as != x; then
2000 set "filds fists" "filds mem; fists mem"
2003 echo "$2" > conftest.s
2004 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2005 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2009 rm -f conftest.s conftest.o
2011 if test x"$gcc_cv_as_instructions" != x; then
2012 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2014 AC_MSG_RESULT($gcc_cv_as_instructions)
2016 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2017 gcc_cv_as_gotoff_in_data=no
2018 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2020 if test "$gcc_cv_gas_major_version" -eq 2 \
2021 -a "$gcc_cv_gas_minor_version" -ge 11 \
2022 -o "$gcc_cv_gas_major_version" -gt 2; then
2023 gcc_cv_as_gotoff_in_data=yes
2025 elif test x$gcc_cv_as != x; then
2026 cat > conftest.s <<EOF
2033 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2034 gcc_cv_as_gotoff_in_data=yes
2037 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2038 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2039 [Define true if the assembler supports '.long foo@GOTOFF'.])
2040 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2044 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2045 gcc_cv_as_dwarf2_debug_line=no
2046 # ??? Not all targets support dwarf2 debug_line, even within a version
2047 # of gas. Moreover, we need to emit a valid instruction to trigger any
2048 # info to the output file. So, as supported targets are added to gas 2.11,
2049 # add some instruction here to (also) show we expect this might work.
2050 # ??? Once 2.11 is released, probably need to add first known working
2051 # version to the per-target configury.
2053 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-* | hppa*-*-*)
2060 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2062 if test "$gcc_cv_gas_major_version" -eq 2 \
2063 -a "$gcc_cv_gas_minor_version" -ge 11 \
2064 -o "$gcc_cv_gas_major_version" -gt 2 \
2065 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2066 && test x"$insn" != x ; then
2067 gcc_cv_as_dwarf2_debug_line="yes"
2069 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2070 echo ' .file 1 "conftest.s"' > conftest.s
2071 echo ' .loc 1 3 0' >> conftest.s
2072 echo " $insn" >> conftest.s
2073 # ??? This fails with non-gnu grep.
2074 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2075 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2076 # The .debug_line file table must be in the exact order that
2077 # we specified the files, since these indices are also used
2078 # by DW_AT_decl_file. Approximate this test by testing if
2079 # the assembler bitches if the same index is assigned twice.
2080 echo ' .file 1 "foo.s"' > conftest.s
2081 echo ' .file 1 "bar.s"' >> conftest.s
2082 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2084 gcc_cv_as_dwarf2_debug_line="no"
2086 gcc_cv_as_dwarf2_debug_line="yes"
2089 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2091 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2092 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2093 [Define if your assembler supports dwarf2 .file/.loc directives,
2094 and preserves file table indices exactly as given.])
2096 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2098 AC_MSG_CHECKING(assembler --gdwarf2 support)
2099 gcc_cv_as_gdwarf2_flag=no
2100 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2102 if test "$gcc_cv_gas_major_version" -eq 2 \
2103 -a "$gcc_cv_gas_minor_version" -ge 11 \
2104 -o "$gcc_cv_gas_major_version" -gt 2 \
2105 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2106 && test x"$insn" != x ; then
2107 gcc_cv_as_gdwarf2_debug_flag="yes"
2109 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2110 echo '' > conftest.s
2111 # ??? This fails with non-gnu grep.
2112 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2114 gcc_cv_as_gdwarf2_flag="yes"
2116 rm -f conftest.s conftest.o
2118 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2119 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2120 [Define if your assembler supports the --gdwarf2 option.])
2122 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2124 AC_MSG_CHECKING(assembler --gstabs support)
2125 gcc_cv_as_gstabs_flag=no
2126 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2128 if test "$gcc_cv_gas_major_version" -eq 2 \
2129 -a "$gcc_cv_gas_minor_version" -ge 11 \
2130 -o "$gcc_cv_gas_major_version" -gt 2 \
2131 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2132 && test x"$insn" != x ; then
2133 gcc_cv_as_gstabs_debug_flag="yes"
2135 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2136 echo '' > conftest.s
2137 # ??? This fails with non-gnu grep.
2138 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2139 gcc_cv_as_gstabs_flag="yes"
2141 rm -f conftest.s conftest.o
2143 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2144 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2145 [Define if your assembler supports the --gstabs option.])
2147 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2149 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2150 gcc_cv_ld_eh_frame_hdr=no
2151 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2152 if test "$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
2153 gcc_cv_ld_eh_frame_hdr=yes
2155 elif test x$gcc_cv_ld != x; then
2156 # Check if linker supports --eh-frame-hdr option
2157 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2158 gcc_cv_ld_eh_frame_hdr=yes
2161 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2162 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2163 [Define if your linker supports --eh-frame-hdr option.])
2165 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2167 if test "$prefix" != "/usr" && test "$prefix" != "/usr/local" ; then
2168 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2171 # Figure out what language subdirectories are present.
2172 # Look if the user specified --enable-languages="..."; if not, use
2173 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2175 # NB: embedded tabs in this IF block -- do not untabify
2176 if test x"${enable_languages+set}" != xset; then
2177 if test x"${LANGUAGES+set}" = xset; then
2178 enable_languages="${LANGUAGES}"
2179 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2182 enable_languages=all
2185 if test x"${enable_languages}" = x;
2187 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2190 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2192 # First scan to see if an enabled language requires some other language.
2193 # We assume that a given config-lang.in will list all the language
2194 # front ends it requires, even if some are required indirectly.
2195 for lang in ${srcdir}/*/config-lang.in ..
2200 # The odd quoting in the next line works around
2201 # an apparent bug in bash 1.12 on linux.
2203 ${srcdir}/[*]/config-lang.in)
2206 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2207 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2208 for other in $this_lang_requires
2210 case ,${enable_languages}, in
2216 enable_languages="$enable_languages,$other"
2225 remaining_languages=${enable_languages}
2227 for lang in ${srcdir}/*/config-lang.in ..
2231 # The odd quoting in the next line works around
2232 # an apparent bug in bash 1.12 on linux.
2234 ${srcdir}/[*]/config-lang.in) ;;
2236 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2237 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2238 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2239 if test "x$lang_alias" = x
2241 echo "$lang doesn't set \$language." 1>&2
2244 case ${build_by_default},${enable_languages}, in
2245 *,$lang_alias,*) add_this_lang=yes ;;
2246 no,*) add_this_lang=no ;;
2247 *,all,*) add_this_lang=yes ;;
2248 *) add_this_lang=no ;;
2250 if test x"${add_this_lang}" = xyes; then
2251 remaining_languages=`echo $remaining_languages | sed -e s/${lang_alias}//g`
2253 ${srcdir}/ada/config-lang.in)
2254 if test x$have_gnat = xyes ; then
2255 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2259 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2268 remaining_languages_check=`echo $remaining_languages | sed -e 's/,//g' -e 's/^c$//'g`
2269 if test "xxx$remaining_languages_check" != "xxx" -a "xxx$remaining_languages_check" != "xxxall" ; then
2270 remaining_languages_clean=`echo $remaining_languages | sed -e 's/^c,//' -e 's/,c,/,/' -e 's/,c$//' -e 's/^c$//' -e 's/,,*/,/g' -e 's/^,//g' -e 's/,$//g' `
2271 echo "Language alias(es) not found: $remaining_languages_clean"
2272 echo "Refer to the configure instructions in the doc directory"
2276 # Make gthr-default.h if we have a thread file.
2278 if test $thread_file != single; then
2279 rm -f gthr-default.h
2280 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2281 gthread_flags=-DHAVE_GTHR_DEFAULT
2283 AC_SUBST(gthread_flags)
2285 # Find out what GC implementation we want, or may, use.
2287 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2294 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2299 echo "Using $GGC for garbage collection."
2301 # Use the system's zlib library.
2303 zlibinc="-I\$(srcdir)/../zlib"
2304 AC_ARG_WITH(system-zlib,
2305 [ --with-system-zlib use installed libz],
2312 dnl Very limited version of automake's enable-maintainer-mode
2314 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2315 dnl maintainer-mode is disabled by default
2316 AC_ARG_ENABLE(maintainer-mode,
2317 [ --enable-maintainer-mode
2318 enable make rules and dependencies not useful
2319 (and sometimes confusing) to the casual installer],
2320 maintainer_mode=$enableval,
2323 AC_MSG_RESULT($maintainer_mode)
2325 if test "$maintainer_mode" = "yes"; then
2332 # With Setjmp/Longjmp based exception handling.
2333 AC_ARG_ENABLE(sjlj-exceptions,
2334 [ --enable-sjlj-exceptions
2335 arrange to use setjmp/longjmp exception handling],
2336 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
2337 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
2338 [Define 0/1 to force the choice for exception handling model.])])
2340 # Make empty files to contain the specs and options for each language.
2341 # Then add #include lines to for a compiler that has specs and/or options.
2346 for subdir in . $subdirs
2348 if test -f $srcdir/$subdir/lang-specs.h; then
2349 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2351 if test -f $srcdir/$subdir/lang-options.h; then
2352 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2354 if test -f $srcdir/$subdir/$subdir-tree.def; then
2355 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2359 # These (without "all_") are set in each config-lang.in.
2360 # `language' must be a single word so is spelled singularly.
2365 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2366 # List of language makefile fragments.
2368 # Files for gengtype
2369 all_gtfiles="$config_gtfiles"
2371 # Add the language fragments.
2372 # Languages are added via two mechanisms. Some information must be
2373 # recorded in makefile variables, these are defined in config-lang.in.
2374 # We accumulate them and plug them into the main Makefile.
2375 # The other mechanism is a set of hooks for each of the main targets
2376 # like `clean', `install', etc.
2378 language_fragments="Make-lang"
2379 language_hooks="Make-hooks"
2381 for s in .. $subdirs
2391 . ${srcdir}/$s/config-lang.in
2392 if test "x$language" = x
2394 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2397 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2398 if test -f ${srcdir}/$s/Makefile.in
2399 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2401 all_languages="$all_languages $language"
2402 if test "x$boot_language" = xyes
2404 all_boot_languages="$all_boot_languages $language"
2406 all_compilers="$all_compilers $compilers"
2407 all_stagestuff="$all_stagestuff $stagestuff"
2408 all_outputs="$all_outputs $outputs"
2409 all_gtfiles="$all_gtfiles $gtfiles"
2414 for language in .. $all_languages
2416 if test $language != ".."
2418 check_languages="$check_languages check-$language"
2422 # Since we can't use `::' targets, we link each language in
2423 # with a set of hooks, reached indirectly via lang.${target}.
2427 target_list="all.build all.cross start.encap rest.encap \
2428 info dvi generated-manpages \
2429 install-normal install-common install-info install-man \
2431 mostlyclean clean distclean extraclean maintainer-clean \
2432 stage1 stage2 stage3 stage4"
2433 for t in $target_list
2436 for lang in .. $all_languages
2438 if test $lang != ".."; then
2442 echo "lang.$t: $x" >> Make-hooks
2447 echo "dir ." > .gdbinit
2448 echo "dir ${srcdir}" >> .gdbinit
2449 if test x$gdb_needs_out_file_path = xyes
2451 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2453 if test "x$subdirs" != x; then
2456 echo "dir ${srcdir}/$s" >> .gdbinit
2459 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2461 # Define variables host_canonical and build_canonical
2462 # because some Cygnus local changes in the Makefile depend on them.
2463 build_canonical=${build}
2464 host_canonical=${host}
2466 if test "${host}" != "${target}" ; then
2467 target_subdir=${target_alias}/
2469 AC_SUBST(build_canonical)
2470 AC_SUBST(host_canonical)
2471 AC_SUBST(target_subdir)
2473 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2474 # absolute path for gcc_tooldir based on inserting the number of up-directory
2475 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2476 # $(libsubdir)/@(unlibsubdir) based path.
2477 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2478 # make and thus we'd get different behavior depending on where we built the
2480 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2481 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2483 changequote(<<, >>)dnl
2484 # An explanation of the sed strings:
2485 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2486 # -e 's|/$||' match a trailing forward slash and eliminates it
2487 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2488 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2490 # (*) Note this pattern overwrites the first character of the string
2491 # with a forward slash if one is not already present. This is not a
2492 # problem because the exact names of the sub-directories concerned is
2493 # unimportant, just the number of them matters.
2495 # The practical upshot of these patterns is like this:
2497 # prefix exec_prefix result
2498 # ------ ----------- ------
2500 # /foo/ /foo/bar ../
2501 # /foo /foo/bar/ ../
2502 # /foo/ /foo/bar/ ../
2503 # /foo /foo/bar/ugg ../../
2506 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2507 changequote([, ])dnl
2509 AC_SUBST(gcc_tooldir)
2512 # Find a directory in which to install a shared libgcc.
2514 AC_ARG_ENABLE(version-specific-runtime-libs,
2515 [ --enable-version-specific-runtime-libs
2516 specify that runtime libraries should be
2517 installed in a compiler-specific directory])
2519 AC_ARG_WITH(slibdir,
2520 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2521 slibdir="$with_slibdir",
2522 if test "${enable_version_specific_runtime_libs+set}" = set; then
2523 slibdir='$(libsubdir)'
2524 elif test "$host" != "$target"; then
2525 slibdir='$(build_tooldir)/lib'
2531 # Nothing to do for FLOAT_H, float_format already handled.
2532 objdir=`${PWDCMD-pwd}`
2535 # Process the language and host/target makefile fragments.
2536 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2538 # Substitute configuration variables
2540 AC_SUBST(all_boot_languages)
2541 AC_SUBST(all_compilers)
2542 AC_SUBST(all_gtfiles)
2543 AC_SUBST(all_lang_makefiles)
2544 AC_SUBST(all_languages)
2545 AC_SUBST(all_stagestuff)
2546 AC_SUBST(build_exeext)
2547 AC_SUBST(build_install_headers_dir)
2548 AC_SUBST(build_xm_file_list)
2549 AC_SUBST(build_xm_file)
2550 AC_SUBST(build_xm_defines)
2551 AC_SUBST(check_languages)
2552 AC_SUBST(cc_set_by_configure)
2553 AC_SUBST(quoted_cc_set_by_configure)
2554 AC_SUBST(cpp_install_dir)
2555 AC_SUBST(dep_host_xmake_file)
2556 AC_SUBST(dep_tmake_file)
2557 AC_SUBST(extra_headers_list)
2558 AC_SUBST(extra_objs)
2559 AC_SUBST(extra_parts)
2560 AC_SUBST(extra_passes)
2561 AC_SUBST(extra_programs)
2562 AC_SUBST(float_h_file)
2563 AC_SUBST(gcc_config_arguments)
2564 AC_SUBST(gcc_gxx_include_dir)
2565 AC_SUBST(libstdcxx_incdir)
2566 AC_SUBST(gcc_version)
2567 AC_SUBST(gcc_version_full)
2568 AC_SUBST(gcc_version_trigger)
2569 AC_SUBST(host_exeext)
2570 AC_SUBST(host_extra_gcc_objs)
2571 AC_SUBST(host_xm_file_list)
2572 AC_SUBST(host_xm_file)
2573 AC_SUBST(host_xm_defines)
2575 AC_SUBST(lang_options_files)
2576 AC_SUBST(lang_specs_files)
2577 AC_SUBST(lang_tree_files)
2578 AC_SUBST(local_prefix)
2580 AC_SUBST(objc_boehm_gc)
2582 AC_SUBST(out_object_file)
2583 AC_SUBST(stage_prefix_set_by_configure)
2584 AC_SUBST(quoted_stage_prefix_set_by_configure)
2585 AC_SUBST(symbolic_link)
2586 AC_SUBST(thread_file)
2587 AC_SUBST(tm_file_list)
2589 AC_SUBST(tm_p_file_list)
2592 AC_SUBST(xm_defines)
2593 AC_SUBST(target_alias)
2594 AC_SUBST(c_target_objs)
2595 AC_SUBST(cxx_target_objs)
2596 AC_SUBST(target_cpu_default)
2598 AC_SUBST_FILE(target_overrides)
2599 AC_SUBST_FILE(host_overrides)
2600 AC_SUBST_FILE(language_fragments)
2601 AC_SUBST_FILE(language_hooks)
2603 # Echo that links are built
2604 if test x$host = x$target
2612 if test x$host != x$build
2614 str3=" on a $build system"
2617 if test "x$str2" != x || test "x$str3" != x
2622 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2624 if test "x$str2" != x || test "x$str3" != x
2626 echo " ${str2}${str3}." 1>&2
2629 # Truncate the target if necessary
2630 if test x$host_truncate_target != x; then
2631 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2634 # Configure the subdirectories
2635 # AC_CONFIG_SUBDIRS($subdirs)
2637 # Create the Makefile
2638 # and configure language subdirectories
2639 AC_OUTPUT($all_outputs,
2641 case x$CONFIG_HEADERS in
2642 xauto-host.h:config.in)
2645 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2646 # bootstrapping and the installation procedure can still use
2647 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2648 # FLAGS_TO_PASS has been modified to solve the problem there.
2649 # This is virtually a duplicate of what happens in configure.lang; we do
2650 # an extra check to make sure this only happens if ln -s can be used.
2651 if test "$symbolic_link" = "ln -s"; then
2652 for d in .. ${subdirs} fixinc ; do
2653 if test $d != ..; then
2654 STARTDIR=`${PWDCMD-pwd}`
2656 for t in stage1 stage2 stage3 stage4 include
2659 $symbolic_link ../$t $t 2>/dev/null
2665 # Avoid having to add intl to our include paths.
2666 if test -f intl/libintl.h; then
2667 echo creating libintl.h
2668 echo '#include "intl/libintl.h"' >libintl.h
2672 symbolic_link='$symbolic_link'