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 the host, build, and target systems
182 # Set program_transform_name
185 # Find the native compiler
188 # autoconf is lame and doesn't give us any substitution variable for this.
189 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
190 NO_MINUS_C_MINUS_O=yes
192 OUTPUT_OPTION='-o $@'
194 AC_SUBST(NO_MINUS_C_MINUS_O)
195 AC_SUBST(OUTPUT_OPTION)
197 # See if GNAT has been installed
200 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
201 ac_cv_prog_cc_no_long_long,
202 [save_CFLAGS="$CFLAGS"
203 CFLAGS="-Wno-long-long"
204 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
205 ac_cv_prog_cc_no_long_long=no)
206 CFLAGS="$save_CFLAGS"])
208 if test x$have_gnat != xno ; then
209 AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
210 ac_cv_prog_adac_no_long_long,
211 [cat >conftest.adb <<EOF
212 procedure conftest is begin null; end conftest;
214 if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
215 ac_cv_prog_adac_no_long_long=yes
217 ac_cv_prog_adac_no_long_long=no
221 ac_cv_prog_adac_no_long_long=yes
225 if test $ac_cv_prog_cc_no_long_long = yes && \
226 test $ac_cv_prog_adac_no_long_long = yes ; then
227 strict1_warn="-pedantic -Wno-long-long"
229 AC_SUBST(strict1_warn)
239 # sizeof(char) is 1 by definition.
240 gcc_AC_COMPILE_CHECK_SIZEOF(short)
241 gcc_AC_COMPILE_CHECK_SIZEOF(int)
242 gcc_AC_COMPILE_CHECK_SIZEOF(long)
243 if test $ac_cv_c_long_long = yes; then
244 gcc_AC_COMPILE_CHECK_SIZEOF(long long)
246 if test $ac_cv_c___int64 = yes; then
247 gcc_AC_COMPILE_CHECK_SIZEOF(__int64)
252 # If the native compiler is GCC, we can enable warnings even in stage1.
253 # That's useful for people building cross-compilers, or just running a
256 if test "x$GCC" = "xyes"; then
257 warn_cflags='$(GCC_WARN_CFLAGS)'
259 AC_SUBST(warn_cflags)
261 # Determine whether or not multilibs are enabled.
262 AC_ARG_ENABLE(multilib,
263 [ --enable-multilib enable library support for multiple ABIs],
264 [], [enable_multilib=yes])
265 AC_SUBST(enable_multilib)
267 # Enable expensive internal checks
268 AC_ARG_ENABLE(checking,
269 [ --enable-checking[=LIST]
270 enable expensive run-time checks. With LIST,
271 enable only specific categories of checks.
272 Categories are: misc,tree,rtl,rtlflag,gc,gcac;
273 default is misc,tree,gc,rtlflag],
279 ac_gc_always_collect=
280 case "${enableval}" in
281 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
282 ac_rtlflag_checking=1 ;;
284 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
285 set fnord $enableval; shift
290 misc) ac_checking=1 ;;
291 tree) ac_tree_checking=1 ;;
292 rtlflag) ac_rtlflag_checking=1 ;;
293 rtl) ac_rtl_checking=1 ;;
294 gc) ac_gc_checking=1 ;;
295 gcac) ac_gc_always_collect=1 ;;
296 valgrind) ac_checking_valgrind=1 ;;
297 *) AC_MSG_ERROR(unknown check category $check) ;;
303 # Enable some checks by default for development versions of GCC
304 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
306 if test x$ac_checking != x ; then
307 AC_DEFINE(ENABLE_CHECKING, 1,
308 [Define if you want more run-time sanity checks. This one gets a grab
309 bag of miscellaneous but relatively cheap checks.])
310 nocommon_flag=-fno-common
312 AC_SUBST(nocommon_flag)
313 if test x$ac_tree_checking != x ; then
314 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
315 [Define if you want all operations on trees (the basic data
316 structure of the front ends) to be checked for dynamic type safety
317 at runtime. This is moderately expensive.])
319 if test x$ac_rtl_checking != x ; then
320 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
321 [Define if you want all operations on RTL (the basic data structure
322 of the optimizer and back end) to be checked for dynamic type safety
323 at runtime. This is quite expensive.])
325 if test x$ac_rtlflag_checking != x ; then
326 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
327 [Define if you want RTL flag accesses to be checked against the RTL
328 codes that are supported for each access macro. This is relatively
331 if test x$ac_gc_checking != x ; then
332 AC_DEFINE(ENABLE_GC_CHECKING, 1,
333 [Define if you want the garbage collector to do object poisoning and
334 other memory allocation checks. This is quite expensive.])
336 if test x$ac_gc_always_collect != x ; then
337 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
338 [Define if you want the garbage collector to operate in maximally
339 paranoid mode, validating the entire heap and collecting garbage at
340 every opportunity. This is extremely expensive.])
342 valgrind_path_defines=
344 if test x$ac_checking_valgrind != x ; then
345 # It is certainly possible that there's valgrind but no valgrind.h.
346 # GCC relies on making annotations so we must have both.
347 AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
348 AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
349 [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
350 if test "x$valgrind_path" = "x" || test $have_valgrind_h = no; then
351 AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h])
353 valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
354 valgrind_command="$valgrind_path -q"
355 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
356 [Define if you want to run subprograms and generated programs
357 through valgrind (a memory checker). This is extremely expensive.])
359 AC_SUBST(valgrind_path_defines)
360 AC_SUBST(valgrind_command)
362 # Enable code coverage collection
363 AC_ARG_ENABLE(coverage,
364 [ --enable-coverage[=LEVEL]
365 enable compiler\'s code coverage collection.
366 Use to measure compiler performance and locate
367 unused parts of the compiler. With LEVEL, specificy
368 optimization. Values are opt, noopt,
370 [case "${enableval}" in
372 coverage_flags="-fprofile-arcs -ftest-coverage -O0"
375 coverage_flags="-fprofile-arcs -ftest-coverage -O2"
378 AC_MSG_ERROR(unknown coverage setting $enableval)
382 AC_SUBST(coverage_flags)
384 AC_ARG_WITH(cpp_install_dir,
385 [ --with-cpp-install-dir=DIR
386 install the user visible C preprocessor in DIR
387 (relative to PREFIX) as well as PREFIX/bin],
388 [if test x$withval = xyes; then
389 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
390 elif test x$withval != xno; then
391 cpp_install_dir=$withval
394 # Enable __cxa_atexit for C++.
395 AC_ARG_ENABLE(__cxa_atexit,
396 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
398 if test x$enable___cxa_atexit = xyes; then
399 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
400 [Define if you want to use __cxa_atexit, rather than atexit, to
401 register C++ destructors for local statics and global objects.
402 This is essential for fully standards-compliant handling of
403 destructors, but requires __cxa_atexit in libc.])
406 # Enable Multibyte Characters for C/C++
407 AC_ARG_ENABLE(c-mbchar,
408 [ --enable-c-mbchar enable multibyte characters for C and C++],
409 if test x$enable_c_mbchar != xno; then
410 AC_DEFINE(MULTIBYTE_CHARS, 1,
411 [Define if you want the C and C++ compilers to support multibyte
412 character sets for source code.])
416 # Pass with no value to take the default
417 # Pass with a value to specify a thread package
418 AC_ARG_ENABLE(threads,
419 [ --enable-threads enable thread usage for target GCC
420 --enable-threads=LIB use LIB thread package for target GCC],,
423 enable_threads_flag=$enable_threads
424 # Check if a valid thread package
425 case x${enable_threads_flag} in
428 target_thread_file='single'
432 target_thread_file=''
434 xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
435 xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
436 target_thread_file=$enable_threads_flag
439 echo "$enable_threads is an unknown thread package" 1>&2
444 AC_ARG_ENABLE(objc-gc,
445 [ --enable-objc-gc enable the use of Boehm's garbage collector with
446 the GNU Objective-C runtime],
447 if test x$enable_objc_gc = xno; then
455 [ --with-dwarf2 force the default debug format to be DWARF 2],
456 dwarf2="$with_dwarf2",
459 AC_ARG_ENABLE(shared,
460 [ --disable-shared don't provide a shared libgcc],
462 case $enable_shared in
466 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
467 for pkg in $enableval; do
468 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
475 ], [enable_shared=yes])
476 AC_SUBST(enable_shared)
478 # Stage specific cflags for build.
484 stage1_cflags="-Wa,-J"
490 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
491 # sources; use -no-cpp-precomp to get to GNU cpp.
492 # Apple's GCC has bugs in designated initializer handling, so disable
494 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
497 AC_SUBST(stage1_cflags)
501 AC_MSG_CHECKING([whether a default assembler was specified])
502 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
503 if test x"$gas_flag" = x"no"; then
504 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
506 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
512 AC_MSG_CHECKING([whether a default linker was specified])
513 if test x"${DEFAULT_LINKER+set}" = x"set"; then
514 if test x"$gnu_ld_flag" = x"no"; then
515 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
517 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
523 AC_MSG_CHECKING(for GNU C library)
524 AC_CACHE_VAL(gcc_cv_glibc,
526 [#include <features.h>],[
527 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
528 #error Not a GNU C library system
532 AC_MSG_RESULT($gcc_cv_glibc)
533 if test $gcc_cv_glibc = yes; then
534 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
537 # Find some useful tools
546 gcc_AC_HEADER_STDBOOL
549 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
550 fcntl.h unistd.h sys/file.h sys/time.h \
551 sys/resource.h sys/param.h sys/times.h sys/stat.h \
552 direct.h malloc.h langinfo.h)
554 # Check for thread headers.
555 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
556 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
558 # These tests can't be done till we know if we have limits.h.
560 gcc_AC_C_COMPILE_ENDIAN
561 gcc_AC_C_FLOAT_FORMAT
563 # See if we have the mktemp command.
564 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
566 # Do we have a single-tree copy of texinfo?
567 if test -f $srcdir/../texinfo/Makefile.in; then
568 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
569 gcc_cv_prog_makeinfo_modern=yes
570 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
572 # See if makeinfo has been installed and is modern enough
573 # that we can use it.
574 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
575 [GNU texinfo.* \([0-9][0-9.]*\)],
579 if test $gcc_cv_prog_makeinfo_modern = no; then
581 *** Makeinfo is missing or too old.
582 *** Info documentation will not be built.])
585 BUILD_INFO=info AC_SUBST(BUILD_INFO)
588 # Is pod2man recent enough to regenerate manpages?
589 AC_MSG_CHECKING([for recent Pod::Man])
590 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
592 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
599 dnl Don't use AC_PROG_LEX; we insist on flex.
600 dnl LEXLIB is not useful in gcc.
601 if test -f $srcdir/../flex/skel.c; then
602 FLEX='$(objdir)/../flex/flex'
604 AC_CHECK_PROG(FLEX, flex, flex, false)
608 # The -L switch is so bison can find its skeleton file.
609 if test -f $srcdir/../bison/bison.simple; then
610 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
612 AC_CHECK_PROG(BISON, bison, bison, false)
615 # These libraries may be used by collect2.
616 # We may need a special search path to get them linked.
617 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
619 for libs in '' -lld -lmld \
620 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
621 '-L/usr/lib/cmplrs/cc3.11 -lmld'
624 AC_TRY_LINK_FUNC(ldopen,
625 [gcc_cv_collect2_libs="$libs"; break])
628 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
629 case $gcc_cv_collect2_libs in
631 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
633 AC_SUBST(COLLECT2_LIBS)
635 # When building Ada code on Alpha, we need exc_resume which is usually in
636 # -lexc. So test for it.
639 AC_SEARCH_LIBS(exc_resume, exc)
642 AC_SUBST(GNAT_LIBEXC)
644 # See if the stage1 system preprocessor understands the ANSI C
645 # preprocessor stringification operator. (Used by symcat.h.)
648 # Use <inttypes.h> only if it exists,
649 # doesn't clash with <sys/types.h>, and declares intmax_t.
650 AC_MSG_CHECKING(for inttypes.h)
651 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
653 [#include <sys/types.h>
654 #include <inttypes.h>],
656 [gcc_cv_header_inttypes_h=yes],
657 gcc_cv_header_inttypes_h=no)])
658 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
659 if test $gcc_cv_header_inttypes_h = yes; then
660 AC_DEFINE(HAVE_INTTYPES_H, 1,
661 [Define if you have a working <inttypes.h> header file.])
664 dnl Disabled until we have a complete test for buggy enum bitfields.
665 dnl gcc_AC_C_ENUM_BF_UNSIGNED
667 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
668 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
669 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
672 AC_CHECK_TYPE(ssize_t, int)
674 # Try to determine the array type of the second argument of getgroups
675 # for the target system (int or gid_t).
677 if test "${target}" = "${build}"; then
678 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
681 # This condition may need some tweaking. It should include all
682 # targets where the array type of the second argument of getgroups
683 # is int and the type of gid_t is not equivalent to int.
684 *-*-sunos* | *-*-ultrix*)
685 TARGET_GETGROUPS_T=int
688 TARGET_GETGROUPS_T=gid_t
692 AC_SUBST(TARGET_GETGROUPS_T)
694 gcc_AC_FUNC_PRINTF_PTR
699 *** UWIN may not be used as a host platform because
700 *** linking with posix.dll is not allowed by the GNU GPL])
703 # Under VMS, vfork works very different than on Unix. The standard test
704 # won't work, and it isn't easily adaptable. It makes more sense to
706 ac_cv_func_vfork_works=yes
710 AC_FUNC_MMAP_ANYWHERE
715 # We will need to find libiberty.h and ansidecl.h
716 saved_CFLAGS="$CFLAGS"
717 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
718 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
719 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
720 fprintf_unlocked strstr errno vasprintf \
721 malloc realloc calloc free basename getopt clock, , ,[
722 #include "ansidecl.h"
723 #include "system.h"])
725 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
726 #include "ansidecl.h"
728 #ifdef HAVE_SYS_RESOURCE_H
729 #include <sys/resource.h>
733 gcc_AC_CHECK_DECLS(times, , ,[
734 #include "ansidecl.h"
736 #ifdef HAVE_SYS_TIMES_H
737 #include <sys/times.h>
741 # More time-related stuff.
742 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
744 #include "ansidecl.h"
746 #ifdef HAVE_SYS_TIMES_H
747 #include <sys/times.h>
749 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
750 if test $ac_cv_struct_tms = yes; then
751 AC_DEFINE(HAVE_STRUCT_TMS, 1,
752 [Define if <sys/times.h> defines struct tms.])
755 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
756 # revisit after autoconf 2.50.
757 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
759 #include "ansidecl.h"
761 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
762 if test $gcc_cv_type_clock_t = yes; then
763 AC_DEFINE(HAVE_CLOCK_T, 1,
764 [Define if <time.h> defines clock_t.])
767 AC_ARG_ENABLE(initfini-array,
768 [ --enable-initfini-array use .init_array/.fini_array sections],
769 gcc_cv_initfinit_array=$enableval, [gcc_AC_INITFINI_ARRAY])
771 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
772 CFLAGS="$saved_CFLAGS"
774 # mkdir takes a single argument on some systems.
775 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
786 build_install_headers_dir=install-headers-tar
791 host_truncate_target=
794 # Decode the host machine, then the target machine.
795 # For the host machine, we save the xm_file variable as host_xm_file;
796 # then we decode the target machine and forget everything else
797 # that came from the host machine.
798 for machine in $build $host $target; do
799 . ${srcdir}/config.gcc
802 extra_objs="${host_extra_objs} ${extra_objs}"
804 # Default the target-machine variables that were not explicitly set.
805 if test x"$tm_file" = x
806 then tm_file=$cpu_type/$cpu_type.h; fi
808 if test x"$extra_headers" = x
809 then extra_headers=; fi
811 if test x$md_file = x
812 then md_file=$cpu_type/$cpu_type.md; fi
814 if test x$out_file = x
815 then out_file=$cpu_type/$cpu_type.c; fi
817 if test x"$tmake_file" = x
818 then tmake_file=$cpu_type/t-$cpu_type
821 if test x"$dwarf2" = xyes
822 then tm_file="$tm_file tm-dwarf2.h"
825 # Say what files are being used for the output code and MD file.
826 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
827 echo "Using \`$srcdir/config/$md_file' as machine description file."
829 # If any of the xm_file variables contain nonexistent files, warn
830 # about them and drop them.
833 for x in $build_xm_file; do
834 if test -f $srcdir/config/$x
836 else AC_MSG_WARN($srcdir/config/$x does not exist.)
842 for x in $host_xm_file; do
843 if test -f $srcdir/config/$x
845 else AC_MSG_WARN($srcdir/config/$x does not exist.)
851 for x in $xm_file; do
852 if test -f $srcdir/config/$x
854 else AC_MSG_WARN($srcdir/config/$x does not exist.)
860 for f in $tm_file; do
863 if test $count = ax; then
864 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
866 echo "Using the following target machine macro files:"
867 for f in $tm_file; do
868 echo " $srcdir/config/$f"
873 for f in $host_xm_file; do
876 if test $count = a; then
878 elif test $count = ax; then
879 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
881 echo "Using the following host machine macro files:"
882 for f in $host_xm_file; do
883 echo " $srcdir/config/$f"
887 if test "$host_xm_file" != "$build_xm_file"; then
889 for f in $build_xm_file; do
892 if test $count = a; then
894 elif test $count = ax; then
895 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
897 echo "Using the following build machine macro files:"
898 for f in $build_xm_file; do
899 echo " $srcdir/config/$f"
904 if test x$thread_file = x; then
905 if test x$target_thread_file != x; then
906 thread_file=$target_thread_file
912 # Look for a file containing extra machine modes.
913 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
914 extra_modes_file='$(srcdir)'/config/${extra_modes}
915 AC_SUBST(extra_modes_file)
916 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
917 [Define to the name of a file containing a list of extra machine modes
918 for this architecture.])
919 AC_DEFINE(EXTRA_CC_MODES, 1,
920 [Define if the target architecture needs extra machine modes to represent
921 the results of comparisons.])
924 # auto-host.h is the file containing items generated by autoconf and is
925 # the first file included by config.h.
926 # If host=build, it is correct to have hconfig include auto-host.h
927 # as well. If host!=build, we are in error and need to do more
928 # work to find out the build config parameters.
929 if test x$host = x$build
931 build_auto=auto-host.h
934 # We create a subdir, then run autoconf in the subdir.
935 # To prevent recursion we set host and build for the new
936 # invocation of configure to the build for this invocation
943 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
944 *) realsrcdir=../${srcdir};;
946 saved_CFLAGS="${CFLAGS}"
947 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
948 ${realsrcdir}/configure \
949 --target=$target_alias --host=$build_alias --build=$build_alias
950 CFLAGS="${saved_CFLAGS}"
952 # We just finished tests for the build machine, so rename
953 # the file auto-build.h in the gcc directory.
954 mv auto-host.h ../auto-build.h
957 build_auto=auto-build.h
958 FORBUILD=../$build_alias
962 tm_file="${tm_file} defaults.h"
963 host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}"
964 build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}"
965 xm_file="ansidecl.h ${xm_file} ${tm_file}"
967 # Truncate the target if necessary
968 if test x$host_truncate_target != x; then
969 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
972 # Get the version trigger filename from the toplevel
973 if test "${with_gcc_version_trigger+set}" = set; then
974 gcc_version_trigger=$with_gcc_version_trigger
976 gcc_version_trigger=${srcdir}/version.c
979 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
980 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
982 # Compile in configure arguments.
983 if test -f configargs.h ; then
984 # Being re-configured.
985 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
986 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
988 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
990 cat > configargs.h <<EOF
991 /* Generated automatically. */
992 static const char configuration_arguments[] = "$gcc_config_arguments";
993 static const char thread_model[] = "$thread_file";
997 # Internationalization
999 VERSION="$gcc_version"
1003 # Enable NLS support by default
1005 [ --enable-nls use Native Language Support (default)],
1008 # if cross compiling, disable NLS support.
1009 # It's not worth the trouble, at least for now.
1011 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
1012 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
1018 # Windows32 Registry support for specifying GCC installation paths.
1019 AC_ARG_ENABLE(win32-registry,
1020 [ --disable-win32-registry
1021 disable lookup of installation paths in the
1022 Registry on Windows hosts
1023 --enable-win32-registry enable registry lookup (default)
1024 --enable-win32-registry=KEY
1025 use KEY instead of GCC version as the last portion
1026 of the registry key],,)
1028 win32 | pe | cygwin* | mingw32* | uwin*)
1029 AC_MSG_CHECKING(whether windows registry support is requested)
1030 if test "x$enable_win32_registry" != xno; then
1031 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1032 [Define to 1 if installation paths should be looked up in Windows32
1033 Registry. Ignored on non windows32 hosts.])
1035 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1040 # Check if user specified a different registry key.
1041 case "x${enable_win32_registry}" in
1044 gcc_cv_win32_registry_key="$VERSION"
1047 # no registry lookup.
1048 gcc_cv_win32_registry_key=''
1051 # user-specified key.
1052 gcc_cv_win32_registry_key="$enable_win32_registry"
1056 if test "x$enable_win32_registry" != xno; then
1057 AC_MSG_CHECKING(registry key on windows hosts)
1058 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1059 [Define to be the last portion of registry key on windows hosts.])
1060 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1065 # Get an absolute path to the GCC top-level source directory
1066 holddir=`${PWDCMD-pwd}`
1068 topdir=`${PWDCMD-pwd}`
1071 # Conditionalize the makefile for this host machine.
1072 # Make-host contains the concatenation of all host makefile fragments
1073 # [there can be more than one]. This file is built by configure.frag.
1074 host_overrides=Make-host
1075 dep_host_xmake_file=
1076 for f in .. ${host_xmake_file}
1078 if test -f ${srcdir}/config/$f
1080 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1084 # Conditionalize the makefile for this target machine.
1085 # Make-target contains the concatenation of all host makefile fragments
1086 # [there can be more than one]. This file is built by configure.frag.
1087 target_overrides=Make-target
1089 for f in .. ${tmake_file}
1091 if test -f ${srcdir}/config/$f
1093 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1097 # If the host doesn't support symlinks, modify CC in
1098 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1099 # Otherwise, we can use "CC=$(CC)".
1101 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1103 cc_set_by_configure="\$(CC)"
1104 quoted_cc_set_by_configure="\$(CC)"
1105 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1106 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1109 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1111 symbolic_link="cp -p"
1115 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1116 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1117 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1118 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1122 out_object_file=`basename $out_file .c`.o
1125 for f in $tm_file; do
1128 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1130 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1131 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1136 for f in $tm_p_file; do
1137 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1141 for f in $host_xm_file; do
1144 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1146 host_xm_file_list="${host_xm_file_list} $f" ;;
1148 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1149 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1154 for f in $build_xm_file; do
1157 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1158 auto-build.h | auto-host.h )
1159 build_xm_file_list="${build_xm_file_list} $f" ;;
1161 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1162 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1166 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1167 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1168 CROSS= AC_SUBST(CROSS)
1169 ALL=all.internal AC_SUBST(ALL)
1170 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1171 if test x$host != x$target
1173 CROSS="-DCROSS_COMPILE"
1175 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1176 case "$host","$target" in
1177 i?86-*-*,x86_64-*-* \
1178 | powerpc*-*-*,powerpc64*-*-*)
1179 CROSS="$CROSS -DNATIVE_CROSS" ;;
1183 # If this is a cross-compiler that does not
1184 # have its own set of headers then define
1187 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1188 # This prevents libgcc2 from containing any code which requires libc
1191 if [test x$host != x$target] && [test x$with_headers = x]; then
1192 inhibit_libc=-Dinhibit_libc
1194 if [test x$with_newlib = xyes]; then
1195 inhibit_libc=-Dinhibit_libc
1198 AC_SUBST(inhibit_libc)
1200 # When building gcc with a cross-compiler, we need to adjust things so
1201 # that the generator programs are still built with the native compiler.
1202 # Also, we cannot run fixincludes or fix-header.
1203 # Note that the terminology here is wrong; it should be BUILD_* throughout.
1206 # These are the normal (build=host) settings:
1207 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1208 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1209 HOST_CC='$(CC)' AC_SUBST(HOST_CC)
1210 HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
1212 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1213 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1215 # And these apply if build != host.
1216 if test x$build != x$host
1219 BUILD_PREFIX_1=build-
1220 HOST_CC='$(CC_FOR_BUILD)'
1221 HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1227 # Expand extra_headers to include complete path.
1228 # This substitutes for lots of t-* files.
1230 if test "x$extra_headers" = x
1233 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1234 for file in $extra_headers;
1236 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1240 if test x$use_collect2 = xno; then
1244 # Add a definition of USE_COLLECT2 if system wants one.
1245 if test x$use_collect2 != x
1247 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1248 xm_defines="${xm_defines} USE_COLLECT2"
1251 # If we have gas in the build tree, make a link to it.
1252 if test -f ../gas/Makefile; then
1253 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1256 # If we have nm and objdump in the build tree, make a link to them.
1257 if test -f ../binutils/Makefile; then
1258 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1259 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1262 # If we have ld in the build tree, make a link to it.
1263 if test -f ../ld/Makefile; then
1264 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1267 # Figure out what assembler we will be using.
1268 AC_MSG_CHECKING(what assembler to use)
1270 gcc_cv_gas_major_version=
1271 gcc_cv_gas_minor_version=
1272 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1273 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1274 if test -x "$DEFAULT_ASSEMBLER"; then
1275 gcc_cv_as="$DEFAULT_ASSEMBLER"
1276 elif test -x "$AS"; then
1278 elif test -x as$host_exeext; then
1279 # Build using assembler in the current directory.
1280 gcc_cv_as=./as$host_exeext
1281 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1282 # Single tree build which includes gas.
1283 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
1286 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1288 if test x$gcc_cv_gas_version != x; then
1293 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1294 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1295 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1299 if test "x$gcc_cv_as" = x; then
1300 # Search the same directories that the installed compiler will
1301 # search. Else we may find the wrong assembler and lose. If we
1302 # do not find a suitable assembler binary, then try the user's
1305 # Also note we have to check MD_EXEC_PREFIX before checking the
1306 # user's path. Unfortunately, there is no good way to get at the
1307 # value of MD_EXEC_PREFIX here. So we do a brute force search
1308 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1309 # to be fixed as part of the make/configure rewrite too.
1311 if test "x$exec_prefix" = xNONE; then
1312 if test "x$prefix" = xNONE; then
1313 test_prefix=/usr/local
1318 test_prefix=$exec_prefix
1321 # If the loop below does not find an assembler, then use whatever
1322 # one we can find in the users's path.
1324 if test "x$program_prefix" != xNONE; then
1325 gcc_cv_as=${program_prefix}as$host_exeext
1327 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1330 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1331 $test_prefix/lib/gcc-lib/$target_alias \
1332 /usr/lib/gcc/$target_alias/$gcc_version \
1333 /usr/lib/gcc/$target_alias \
1334 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1335 $test_prefix/$target_alias/bin"
1337 if test x$host = x$target; then
1338 test_dirs="$test_dirs \
1343 /bsd43/usr/lib/cmplrs/cc \
1344 /usr/cross64/usr/bin \
1345 /usr/lib/cmplrs/cc \
1346 /sysv/usr/lib/cmplrs/cc \
1347 /svr4/usr/lib/cmplrs/cc \
1351 for dir in $test_dirs; do
1352 if test -x $dir/as$host_exeext; then
1353 gcc_cv_as=$dir/as$host_exeext
1358 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1359 AC_MSG_RESULT("newly built gas")
1361 AC_MSG_RESULT($gcc_cv_as)
1364 # Figure out what linker we will be using.
1365 AC_MSG_CHECKING(what linker to use)
1367 gcc_cv_gld_major_version=
1368 gcc_cv_gld_minor_version=
1369 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1370 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1371 if test -x "$DEFAULT_LINKER"; then
1372 gcc_cv_ld="$DEFAULT_LINKER"
1373 elif test -x "$LD"; then
1375 elif test -x ld$host_exeext; then
1376 # Build using linker in the current directory.
1377 gcc_cv_ld=./ld$host_exeext
1378 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1379 # Single tree build which includes ld.
1380 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
1383 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1385 if test x$gcc_cv_gld_version != x; then
1390 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1391 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1395 if test "x$gcc_cv_ld" = x; then
1396 # Search the same directories that the installed compiler will
1397 # search. Else we may find the wrong linker and lose. If we
1398 # do not find a suitable linker binary, then try the user's
1401 # Also note we have to check MD_EXEC_PREFIX before checking the
1402 # user's path. Unfortunately, there is no good way to get at the
1403 # value of MD_EXEC_PREFIX here. So we do a brute force search
1404 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1405 # to be fixed as part of the make/configure rewrite too.
1407 if test "x$exec_prefix" = xNONE; then
1408 if test "x$prefix" = xNONE; then
1409 test_prefix=/usr/local
1414 test_prefix=$exec_prefix
1417 # If the loop below does not find an linker, then use whatever
1418 # one we can find in the users's path.
1420 if test "x$program_prefix" != xNONE; then
1421 gcc_cv_ld=${program_prefix}ld$host_exeext
1423 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1426 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1427 $test_prefix/lib/gcc-lib/$target_alias \
1428 /usr/lib/gcc/$target_alias/$gcc_version \
1429 /usr/lib/gcc/$target_alias \
1430 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1431 $test_prefix/$target_alias/bin"
1433 if test x$host = x$target; then
1434 test_dirs="$test_dirs \
1439 /bsd43/usr/lib/cmplrs/cc \
1440 /usr/cross64/usr/bin \
1441 /usr/lib/cmplrs/cc \
1442 /sysv/usr/lib/cmplrs/cc \
1443 /svr4/usr/lib/cmplrs/cc \
1447 for dir in $test_dirs; do
1448 if test -x $dir/ld$host_exeext; then
1449 gcc_cv_ld=$dir/ld$host_exeext
1454 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1455 AC_MSG_RESULT("newly built ld")
1457 AC_MSG_RESULT($gcc_cv_ld)
1460 # Figure out what nm we will be using.
1461 AC_MSG_CHECKING(what nm to use)
1462 if test -x nm$host_exeext; then
1463 gcc_cv_nm=./nm$host_exeext
1464 elif test "x$program_prefix" != xNONE; then
1465 gcc_cv_nm=${program_prefix}nm$host_exeext
1467 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1469 AC_MSG_RESULT($gcc_cv_nm)
1471 # Figure out what objdump we will be using.
1472 AC_MSG_CHECKING(what objdump to use)
1473 if test -x objdump$host_exeext; then
1474 gcc_cv_objdump=./objdump$host_exeext
1475 elif test "x$program_prefix" != xNONE; then
1476 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1478 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1480 AC_MSG_RESULT($gcc_cv_objdump)
1482 # Figure out what assembler alignment features are present.
1483 AC_MSG_CHECKING(assembler alignment features)
1484 gcc_cv_as_alignment_features=none
1485 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1486 # Gas version 2.6 and later support for .balign and .p2align.
1487 # bytes to skip when using .p2align.
1488 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1489 gcc_cv_as_alignment_features=".balign and .p2align"
1490 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1492 # Gas version 2.8 and later support specifying the maximum
1493 # bytes to skip when using .p2align.
1494 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1495 gcc_cv_as_alignment_features=".p2align including maximum skip"
1496 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1498 elif test x$gcc_cv_as != x; then
1499 # Check if we have .balign and .p2align
1500 echo ".balign 4" > conftest.s
1501 echo ".p2align 2" >> conftest.s
1502 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1503 gcc_cv_as_alignment_features=".balign and .p2align"
1504 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1506 rm -f conftest.s conftest.o
1507 # Check if specifying the maximum bytes to skip when
1508 # using .p2align is supported.
1509 echo ".p2align 4,,7" > conftest.s
1510 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1511 gcc_cv_as_alignment_features=".p2align including maximum skip"
1512 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1514 rm -f conftest.s conftest.o
1516 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1518 AC_MSG_CHECKING(assembler subsection support)
1519 gcc_cv_as_subsections=no
1520 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1521 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1522 gcc_cv_as_subsections="working .subsection -1"
1524 elif test x$gcc_cv_as != x; then
1525 # Check if we have .subsection
1526 echo ".subsection 1" > conftest.s
1527 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1528 gcc_cv_as_subsections=".subsection"
1529 if test x$gcc_cv_nm != x; then
1530 cat > conftest.s <<EOF
1531 conftest_label1: .word 0
1533 conftest_label2: .word 0
1536 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1537 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1538 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1539 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1542 gcc_cv_as_subsections="working .subsection -1"
1547 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1549 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1550 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1551 [Define if your assembler supports .subsection and .subsection -1 starts
1552 emitting at the beginning of your section.])
1554 AC_MSG_RESULT($gcc_cv_as_subsections)
1556 AC_MSG_CHECKING(assembler weak support)
1558 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1559 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1560 gcc_cv_as_weak="yes"
1562 elif test x$gcc_cv_as != x; then
1563 # Check if we have .weak
1564 echo " .weak foobar" > conftest.s
1565 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1566 gcc_cv_as_weak="yes"
1568 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1570 if test x"$gcc_cv_as_weak" = xyes; then
1571 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1573 AC_MSG_RESULT($gcc_cv_as_weak)
1575 AC_MSG_CHECKING(assembler hidden support)
1577 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1578 if test "$gcc_cv_gas_major_version" -eq 2 \
1579 -a "$gcc_cv_gas_minor_version" -eq 12 \
1580 -a "$gcc_cv_gas_patch_version" -ge 1 \
1581 -o "$gcc_cv_gas_major_version" -eq 2 \
1582 -a "$gcc_cv_gas_minor_version" -gt 12 \
1583 -o "$gcc_cv_gas_major_version" -gt 2 \
1584 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1585 gcc_cv_as_hidden="yes"
1587 elif test x$gcc_cv_as != x; then
1588 # Check if we have .hidden
1589 echo " .hidden foobar" > conftest.s
1590 echo "foobar:" >> conftest.s
1591 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1592 gcc_cv_as_hidden="yes"
1594 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1596 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1597 # This is irritatingly difficult to feature test for. Look for
1598 # the date string after the version number.
1599 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1600 if echo "$ld_ver" | grep GNU > /dev/null; then
1602 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1603 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1604 if test 0"$ld_date" -lt 20020404; then
1605 if test -n "$ld_date"; then
1606 # If there was date string, but was earlier than 2002-04-04, fail
1607 gcc_cv_as_hidden="no"
1608 elif test -z "$ld_vers"; then
1609 # If there was no date string nor ld version number, something is wrong
1610 gcc_cv_as_hidden="no"
1612 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1613 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1614 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1615 test -z "$ld_vers_patch" && ld_vers_patch=0
1616 if test "$ld_vers_major" -lt 2; then
1617 gcc_cv_as_hidden="no"
1618 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1619 gcc_cv_as_hidden="no"
1620 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1621 -a "$ld_vers_patch" -eq 0; then
1622 gcc_cv_as_hidden="no"
1629 if test x"$gcc_cv_as_hidden" = xyes; then
1630 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1631 [Define if your assembler supports .hidden.])
1633 AC_MSG_RESULT($gcc_cv_as_hidden)
1634 libgcc_visibility=$gcc_cv_as_hidden
1637 if test x"$gnu_ld_flag" = x"no"; then
1638 # Even if using gas with .hidden support, the resulting object files
1639 # cannot be linked with the IRIX 6 O32 linker.
1640 libgcc_visibility=no
1644 AC_SUBST(libgcc_visibility)
1646 AC_MSG_CHECKING(assembler leb128 support)
1648 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1649 if test "$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
1650 gcc_cv_as_leb128="yes"
1652 elif test x$gcc_cv_as != x; then
1653 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1654 cat > conftest.s <<EOF
1662 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1663 gcc_cv_as_leb128="yes"
1665 # GAS versions before 2.11 do not support uleb128,
1666 # despite appearing to.
1667 # ??? There exists an elf-specific test that will crash
1668 # the assembler. Perhaps it's better to figure out whether
1669 # arbitrary sections are supported and try the test.
1670 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1671 if echo "$as_ver" | grep GNU > /dev/null; then
1673 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1674 as_major=`echo $as_ver | sed 's/\..*//'`
1675 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1677 if test $as_major -eq 2 -a $as_minor -lt 11; then
1678 gcc_cv_as_leb128="no"
1682 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1684 if test x"$gcc_cv_as_leb128" = xyes; then
1685 AC_DEFINE(HAVE_AS_LEB128, 1,
1686 [Define if your assembler supports .uleb128.])
1688 AC_MSG_RESULT($gcc_cv_as_leb128)
1690 AC_MSG_CHECKING(assembler eh_frame optimization)
1691 gcc_cv_as_eh_frame=no
1692 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1693 if test "$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
1694 gcc_cv_as_eh_frame="yes"
1696 elif test x$gcc_cv_as != x; then
1697 # Check if this is GAS.
1698 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1699 rm -f a.out 2> /dev/null
1700 if echo "$as_ver" | grep GNU > /dev/null; then
1701 # Versions up to and including 2.11.0 may mis-optimize
1702 # .eh_frame data. Try something.
1703 cat > conftest.s <<EOF
1710 .section .eh_frame,"aw",@progbits
1712 .4byte .LECIE1-.LSCIE1
1726 .4byte .LEFDE1-.LASFDE1
1728 .4byte .LASFDE1-__FRAME_BEGIN__
1737 cat > conftest.lit <<EOF
1738 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1739 0010 01000000 12000000 18000000 00000000 ................
1740 0020 08000000 04080000 0044 .........D
1742 cat > conftest.big <<EOF
1743 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1744 0010 00000001 00000012 00000018 00000000 ................
1745 0020 00000008 04000000 0844 .........D
1747 # If the assembler didn't choke, and we can objdump,
1748 # and we got the correct data, then succeed.
1749 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1750 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1751 | tail -3 > conftest.got \
1752 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1753 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1755 gcc_cv_as_eh_frame="yes"
1757 gcc_cv_as_eh_frame="bad"
1758 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1759 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1760 [Define if your assembler mis-optimizes .eh_frame data.])
1766 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1768 AC_MSG_CHECKING(assembler section merging support)
1769 gcc_cv_as_shf_merge=no
1770 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1771 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1772 gcc_cv_as_shf_merge=yes
1774 elif test x$gcc_cv_as != x; then
1775 # Check if we support SHF_MERGE sections
1776 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1777 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1778 gcc_cv_as_shf_merge=yes
1780 rm -f conftest.s conftest.o
1782 if test x"$gcc_cv_as_shf_merge" = xyes; then
1783 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1784 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1786 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1788 AC_MSG_CHECKING(assembler thread-local storage support)
1797 .section ".tdata","awT",@progbits
1800 ldq $27,__tls_get_addr($29) !literal!1
1801 lda $16,foo($29) !tlsgd!1
1802 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1803 ldq $27,__tls_get_addr($29) !literal!2
1804 lda $16,foo($29) !tlsldm!2
1805 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1806 ldq $1,foo($29) !gotdtprel
1807 ldah $2,foo($29) !dtprelhi
1808 lda $3,foo($2) !dtprello
1809 lda $4,foo($29) !dtprel
1810 ldq $1,foo($29) !gottprel
1811 ldah $2,foo($29) !tprelhi
1812 lda $3,foo($2) !tprello
1813 lda $4,foo($29) !tprel'
1820 .section ".tdata","awT",@progbits
1824 leal foo@TLSGD(,%ebx,1), %eax
1825 leal foo@TLSLDM(%ebx), %eax
1826 leal foo@DTPOFF(%eax), %edx
1827 movl foo@GOTTPOFF(%ebx), %eax
1828 subl foo@GOTTPOFF(%ebx), %eax
1829 addl foo@GOTNTPOFF(%ebx), %eax
1830 movl foo@INDNTPOFF, %eax
1831 movl $foo@TPOFF, %eax
1832 subl $foo@TPOFF, %eax
1833 leal foo@NTPOFF(%ecx), %eax'
1839 .section ".tdata","awT",@progbits
1843 leaq foo@TLSGD(%rip), %rdi
1844 leaq foo@TLSLD(%rip), %rdi
1845 leaq foo@DTPOFF(%rax), %rdx
1846 movq foo@GOTTPOFF(%rip), %rax
1847 movq $foo@TPOFF, %rax'
1853 .section ".tdata","awT",@progbits
1856 addl r16 = @ltoff(@dtpmod(foo#)), gp
1857 addl r17 = @ltoff(@dtprel(foo#)), gp
1858 addl r18 = @ltoff(@tprel(foo#)), gp
1859 addl r19 = @dtprel(foo#), gp
1860 adds r21 = @dtprel(foo#), r13
1861 movl r23 = @dtprel(foo#)
1862 addl r20 = @tprel(foo#), gp
1863 adds r22 = @tprel(foo#), r13
1864 movl r24 = @tprel(foo#)'
1869 if test -z "$tls_first_major"; then
1871 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1873 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1874 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1875 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1878 elif test x$gcc_cv_as != x; then
1879 echo "$conftest_s" > conftest.s
1880 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1884 rm -f conftest.s conftest.o
1886 if test "$gcc_cv_as_tls" = yes; then
1887 AC_DEFINE(HAVE_AS_TLS, 1,
1888 [Define if your assembler supports thread-local storage.])
1890 AC_MSG_RESULT($gcc_cv_as_tls)
1893 # All TARGET_ABI_OSF targets.
1894 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1895 AC_CACHE_CHECK([assembler supports explicit relocations],
1896 gcc_cv_as_explicit_relocs, [
1897 gcc_cv_as_explicit_relocs=unknown
1898 if test x$gcc_cv_gas_major_version != x \
1899 -a x$gcc_cv_gas_minor_version != x
1901 if test "$gcc_cv_gas_major_version" -eq 2 \
1902 -a "$gcc_cv_gas_minor_version" -ge 12 \
1903 -o "$gcc_cv_gas_major_version" -gt 2; then
1904 gcc_cv_as_explicit_relocs=yes
1906 elif test x$gcc_cv_as != x; then
1907 cat > conftest.s << 'EOF'
1910 extbl $3, $2, $3 !lituse_bytoff!1
1911 ldq $2, a($29) !literal!1
1912 ldq $4, b($29) !literal!2
1913 ldq_u $3, 0($2) !lituse_base!1
1914 ldq $27, f($29) !literal!5
1915 jsr $26, ($27), f !lituse_jsr!5
1916 ldah $29, 0($26) !gpdisp!3
1917 lda $0, c($29) !gprel
1918 ldah $1, d($29) !gprelhigh
1919 lda $1, d($1) !gprellow
1920 lda $29, 0($29) !gpdisp!3
1922 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1923 gcc_cv_as_explicit_relocs=yes
1925 gcc_cv_as_explicit_relocs=no
1927 rm -f conftest.s conftest.o
1930 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1931 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1932 [Define if your assembler supports explicit relocations.])
1936 AC_CACHE_CHECK([assembler .register pseudo-op support],
1937 gcc_cv_as_register_pseudo_op, [
1938 gcc_cv_as_register_pseudo_op=unknown
1939 if test x$gcc_cv_as != x; then
1940 # Check if we have .register
1941 echo ".register %g2, #scratch" > conftest.s
1942 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1943 gcc_cv_as_register_pseudo_op=yes
1945 gcc_cv_as_register_pseudo_op=no
1947 rm -f conftest.s conftest.o
1950 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1951 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1952 [Define if your assembler supports .register.])
1955 AC_CACHE_CHECK([assembler supports -relax],
1956 gcc_cv_as_relax_opt, [
1957 gcc_cv_as_relax_opt=unknown
1958 if test x$gcc_cv_as != x; then
1959 # Check if gas supports -relax
1960 echo ".text" > conftest.s
1961 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1962 gcc_cv_as_relax_opt=yes
1964 gcc_cv_as_relax_opt=no
1966 rm -f conftest.s conftest.o
1969 if test "x$gcc_cv_as_relax_opt" = xyes; then
1970 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1971 [Define if your assembler supports -relax option.])
1974 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
1975 gcc_cv_as_sparc_ua_pcrel, [
1976 gcc_cv_as_sparc_ua_pcrel=unknown
1977 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
1978 gcc_cv_as_sparc_ua_pcrel=no
1979 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
1980 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
1981 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
1982 gcc_cv_as_sparc_ua_pcrel=yes
1984 rm -f conftest.s conftest.o conftest
1987 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1988 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
1989 [Define if your assembler and linker support unaligned PC relative relocs.])
1992 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
1993 gcc_cv_as_sparc_ua_pcrel_hidden, [
1994 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
1995 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
1996 if test x$gcc_cv_objdump != x; then
1997 gcc_cv_as_sparc_ua_pcrel_hidden=no
1998 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
1999 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
2000 echo "foo: .skip 4" >> conftest.s
2001 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2002 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2003 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2004 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2005 if $gcc_cv_objdump -R conftest 2> /dev/null \
2006 | grep 'DISP32' > /dev/null 2>&1; then
2009 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2013 rm -f conftest.s conftest.o conftest
2015 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
2018 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
2019 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2020 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
2023 AC_CACHE_CHECK([for assembler offsetable %lo() support],
2024 gcc_cv_as_offsetable_lo10, [
2025 gcc_cv_as_offsetable_lo10=unknown
2026 if test "x$gcc_cv_as" != x; then
2027 # Check if assembler has offsetable %lo()
2028 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
2029 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
2030 if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
2032 $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
2033 > /dev/null 2>&1; then
2034 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2035 gcc_cv_as_offsetable_lo10=no
2037 gcc_cv_as_offsetable_lo10=yes
2040 gcc_cv_as_offsetable_lo10=no
2042 rm -f conftest.s conftest.o conftest1.s conftest1.o
2045 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2046 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2047 [Define if your assembler supports offsetable %lo().])
2053 i[34567]86-*-* | x86_64-*-*)
2055 AC_MSG_CHECKING(assembler instructions)
2056 gcc_cv_as_instructions=
2057 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2058 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2059 gcc_cv_as_instructions="filds fists"
2061 elif test x$gcc_cv_as != x; then
2062 set "filds fists" "filds mem; fists mem"
2065 echo "$2" > conftest.s
2066 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2067 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2071 rm -f conftest.s conftest.o
2073 if test x"$gcc_cv_as_instructions" != x; then
2074 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2076 AC_MSG_RESULT($gcc_cv_as_instructions)
2078 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2079 gcc_cv_as_gotoff_in_data=no
2080 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2082 if test "$gcc_cv_gas_major_version" -eq 2 \
2083 -a "$gcc_cv_gas_minor_version" -ge 11 \
2084 -o "$gcc_cv_gas_major_version" -gt 2; then
2085 gcc_cv_as_gotoff_in_data=yes
2087 elif test x$gcc_cv_as != x; then
2088 cat > conftest.s <<EOF
2095 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2096 gcc_cv_as_gotoff_in_data=yes
2099 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2100 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2101 [Define true if the assembler supports '.long foo@GOTOFF'.])
2102 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2106 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2107 gcc_cv_as_dwarf2_debug_line=no
2108 # ??? Not all targets support dwarf2 debug_line, even within a version
2109 # of gas. Moreover, we need to emit a valid instruction to trigger any
2110 # info to the output file. So, as supported targets are added to gas 2.11,
2111 # add some instruction here to (also) show we expect this might work.
2112 # ??? Once 2.11 is released, probably need to add first known working
2113 # version to the per-target configury.
2115 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2116 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*)
2123 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2125 if test "$gcc_cv_gas_major_version" -eq 2 \
2126 -a "$gcc_cv_gas_minor_version" -ge 11 \
2127 -o "$gcc_cv_gas_major_version" -gt 2 \
2128 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2129 && test x"$insn" != x ; then
2130 gcc_cv_as_dwarf2_debug_line="yes"
2132 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2133 echo ' .file 1 "conftest.s"' > conftest.s
2134 echo ' .loc 1 3 0' >> conftest.s
2135 echo " $insn" >> conftest.s
2136 # ??? This fails with non-gnu grep.
2137 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2138 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2139 # The .debug_line file table must be in the exact order that
2140 # we specified the files, since these indices are also used
2141 # by DW_AT_decl_file. Approximate this test by testing if
2142 # the assembler bitches if the same index is assigned twice.
2143 echo ' .file 1 "foo.s"' > conftest.s
2144 echo ' .file 1 "bar.s"' >> conftest.s
2145 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2147 gcc_cv_as_dwarf2_debug_line="no"
2149 gcc_cv_as_dwarf2_debug_line="yes"
2152 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2154 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2155 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2156 [Define if your assembler supports dwarf2 .file/.loc directives,
2157 and preserves file table indices exactly as given.])
2159 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2161 AC_MSG_CHECKING(assembler --gdwarf2 support)
2162 gcc_cv_as_gdwarf2_flag=no
2163 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2165 if test "$gcc_cv_gas_major_version" -eq 2 \
2166 -a "$gcc_cv_gas_minor_version" -ge 11 \
2167 -o "$gcc_cv_gas_major_version" -gt 2 \
2168 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2169 && test x"$insn" != x ; then
2170 gcc_cv_as_gdwarf2_flag="yes"
2172 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2173 echo '' > conftest.s
2174 # ??? This fails with non-gnu grep.
2175 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2177 gcc_cv_as_gdwarf2_flag="yes"
2179 rm -f conftest.s conftest.o
2181 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2182 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2183 [Define if your assembler supports the --gdwarf2 option.])
2185 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2187 AC_MSG_CHECKING(assembler --gstabs support)
2188 gcc_cv_as_gstabs_flag=no
2189 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2191 if test "$gcc_cv_gas_major_version" -eq 2 \
2192 -a "$gcc_cv_gas_minor_version" -ge 11 \
2193 -o "$gcc_cv_gas_major_version" -gt 2 \
2194 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2195 && test x"$insn" != x ; then
2196 gcc_cv_as_gstabs_flag="yes"
2198 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2199 echo '' > conftest.s
2200 # ??? This fails with non-gnu grep.
2201 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2202 gcc_cv_as_gstabs_flag="yes"
2204 rm -f conftest.s conftest.o
2206 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2207 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2208 [Define if your assembler supports the --gstabs option.])
2210 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2212 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2213 gcc_cv_ld_ro_rw_mix=unknown
2214 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2215 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
2216 gcc_cv_ld_ro_rw_mix=read-write
2218 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2219 echo '.section "myfoosect", "a"' > conftest1.s
2220 echo '.section "myfoosect", "aw"' > conftest2.s
2221 echo '.byte 1' >> conftest2.s
2222 echo '.section "myfoosect", "a"' > conftest3.s
2223 echo '.byte 0' >> conftest3.s
2224 if $gcc_cv_as -o conftest1.o conftest1.s \
2225 && $gcc_cv_as -o conftest2.o conftest2.s \
2226 && $gcc_cv_as -o conftest3.o conftest3.s \
2227 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2228 conftest2.o conftest3.o; then
2229 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2230 | grep -A1 myfoosect`
2231 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2232 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2233 gcc_cv_ld_ro_rw_mix=read-only
2235 gcc_cv_ld_ro_rw_mix=read-write
2240 rm -f conftest.* conftest[123].*
2243 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2244 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2245 [Define if your linker links a mix of read-only
2246 and read-write sections into a read-write section.])
2248 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2250 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2251 gcc_cv_ld_eh_frame_hdr=no
2252 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2253 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
2254 gcc_cv_ld_eh_frame_hdr=yes
2256 elif test x$gcc_cv_ld != x; then
2257 # Check if linker supports --eh-frame-hdr option
2258 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2259 gcc_cv_ld_eh_frame_hdr=yes
2262 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2263 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2264 [Define if your linker supports --eh-frame-hdr option.])
2266 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2268 # Miscellaneous target-specific checks.
2271 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2272 gcc_cv_mips_libgloss_startup=no
2273 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2274 if test "x$exec_prefix" = xNONE; then
2275 if test "x$prefix" = xNONE; then
2276 test_prefix=/usr/local
2281 test_prefix=$exec_prefix
2283 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2285 if grep '^STARTUP' $f > /dev/null 2>&1; then
2286 gcc_cv_mips_libgloss_startup=yes
2290 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2291 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2292 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2294 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2298 if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2299 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2302 # Figure out what language subdirectories are present.
2303 # Look if the user specified --enable-languages="..."; if not, use
2304 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2306 # NB: embedded tabs in this IF block -- do not untabify
2307 if test x"${enable_languages+set}" != xset; then
2308 if test x"${LANGUAGES+set}" = xset; then
2309 enable_languages="${LANGUAGES}"
2310 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2313 enable_languages=all
2316 if test x"${enable_languages}" = x \
2317 || test x"${enable_languages}" = xyes;
2319 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2322 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2324 # First scan to see if an enabled language requires some other language.
2325 # We assume that a given config-lang.in will list all the language
2326 # front ends it requires, even if some are required indirectly.
2327 for lang in ${srcdir}/*/config-lang.in ..
2332 # The odd quoting in the next line works around
2333 # an apparent bug in bash 1.12 on linux.
2335 ${srcdir}/[*]/config-lang.in)
2338 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2339 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2340 for other in $this_lang_requires
2342 case ,${enable_languages}, in
2348 enable_languages="$enable_languages,$other"
2357 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2360 for lang in ${srcdir}/*/config-lang.in ..
2364 # The odd quoting in the next line works around
2365 # an apparent bug in bash 1.12 on linux.
2367 ${srcdir}/[*]/config-lang.in) ;;
2369 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2370 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2371 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2372 if test "x$lang_alias" = x
2374 echo "$lang doesn't set \$language." 1>&2
2377 case ${build_by_default},${enable_languages}, in
2378 *,$lang_alias,*) add_this_lang=yes ;;
2379 no,*) add_this_lang=no ;;
2380 *,all,*) add_this_lang=yes ;;
2381 *) add_this_lang=no ;;
2383 found_languages="${found_languages} ${lang_alias}"
2384 if test x"${add_this_lang}" = xyes; then
2386 ${srcdir}/ada/config-lang.in)
2387 if test x$have_gnat = xyes ; then
2388 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2392 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2402 for expected_language in ${expected_languages} ..
2404 if test "${expected_language}" != ..; then
2405 missing_language="${expected_language}"
2406 if test "${expected_language}" = "c" \
2407 || test "${expected_language}" = "all"; then
2410 for found_language in ${found_languages} ..
2412 if test "${found_language}" != ..; then
2413 if test "${expected_language}" = "${found_language}"; then
2418 if test "x${missing_language}" != x; then
2419 missing_languages="${missing_languages} ${missing_language}"
2424 if test "x$missing_languages" != x; then
2426 The following requested languages were not found:${missing_languages}
2427 The following languages were available: c${found_languages}])
2430 # Make gthr-default.h if we have a thread file.
2432 if test $thread_file != single; then
2433 rm -f gthr-default.h
2434 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2435 gthread_flags=-DHAVE_GTHR_DEFAULT
2437 AC_SUBST(gthread_flags)
2439 # Find out what GC implementation we want, or may, use.
2441 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2448 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2453 echo "Using $GGC for garbage collection."
2455 # Use the system's zlib library.
2457 zlibinc="-I\$(srcdir)/../zlib"
2458 AC_ARG_WITH(system-zlib,
2459 [ --with-system-zlib use installed libz],
2466 dnl Very limited version of automake's enable-maintainer-mode
2468 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2469 dnl maintainer-mode is disabled by default
2470 AC_ARG_ENABLE(maintainer-mode,
2471 [ --enable-maintainer-mode
2472 enable make rules and dependencies not useful
2473 (and sometimes confusing) to the casual installer],
2474 maintainer_mode=$enableval,
2477 AC_MSG_RESULT($maintainer_mode)
2479 if test "$maintainer_mode" = "yes"; then
2486 # With Setjmp/Longjmp based exception handling.
2487 AC_ARG_ENABLE(sjlj-exceptions,
2488 [ --enable-sjlj-exceptions
2489 arrange to use setjmp/longjmp exception handling],
2490 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
2491 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
2492 [Define 0/1 to force the choice for exception handling model.])])
2494 # Use libunwind based exception handling.
2495 AC_ARG_ENABLE(libunwind-exceptions,
2496 [ --enable-libunwind-exceptions force use libunwind for exceptions],
2497 use_libunwind_exceptions=$enableval,
2498 use_libunwind_exceptions=no)
2499 if test x"$use_libunwind_exceptions" = xyes; then
2500 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
2501 [Define if gcc should use -lunwind.])
2504 # Make empty files to contain the specs and options for each language.
2505 # Then add #include lines to for a compiler that has specs and/or options.
2510 for subdir in . $subdirs
2512 if test -f $srcdir/$subdir/lang-specs.h; then
2513 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2515 if test -f $srcdir/$subdir/lang-options.h; then
2516 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2518 if test -f $srcdir/$subdir/$subdir-tree.def; then
2519 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2523 # These (without "all_") are set in each config-lang.in.
2524 # `language' must be a single word so is spelled singularly.
2529 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2530 # List of language makefile fragments.
2532 # Files for gengtype
2533 all_gtfiles="$target_gtfiles"
2534 # Files for gengtype with language
2535 all_gtfiles_files_langs=
2536 all_gtfiles_files_files=
2538 # Add the language fragments.
2539 # Languages are added via two mechanisms. Some information must be
2540 # recorded in makefile variables, these are defined in config-lang.in.
2541 # We accumulate them and plug them into the main Makefile.
2542 # The other mechanism is a set of hooks for each of the main targets
2543 # like `clean', `install', etc.
2545 language_fragments="Make-lang"
2546 language_hooks="Make-hooks"
2548 for s in .. $subdirs
2558 . ${srcdir}/$s/config-lang.in
2559 if test "x$language" = x
2561 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2564 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2565 if test -f ${srcdir}/$s/Makefile.in
2566 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2568 all_languages="$all_languages $language"
2569 if test "x$boot_language" = xyes
2571 all_boot_languages="$all_boot_languages $language"
2573 all_compilers="$all_compilers $compilers"
2574 all_stagestuff="$all_stagestuff $stagestuff"
2575 all_outputs="$all_outputs $outputs"
2576 all_gtfiles="$all_gtfiles $gtfiles"
2577 for f in .. $gtfiles
2581 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2582 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2588 # Pick up gtfiles for c
2591 . ${srcdir}/c-config-lang.in
2592 all_gtfiles="$all_gtfiles $gtfiles"
2593 for f in .. $gtfiles
2597 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2598 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2603 for language in .. $all_languages
2605 if test $language != ".."
2607 check_languages="$check_languages check-$language"
2611 # Since we can't use `::' targets, we link each language in
2612 # with a set of hooks, reached indirectly via lang.${target}.
2616 target_list="all.build all.cross start.encap rest.encap \
2617 info dvi generated-manpages \
2618 install-normal install-common install-info install-man \
2620 mostlyclean clean distclean extraclean maintainer-clean \
2621 stage1 stage2 stage3 stage4"
2622 for t in $target_list
2625 for lang in .. $all_languages
2627 if test $lang != ".."; then
2631 echo "lang.$t: $x" >> Make-hooks
2636 echo "dir ." > .gdbinit
2637 echo "dir ${srcdir}" >> .gdbinit
2638 if test x$gdb_needs_out_file_path = xyes
2640 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2642 if test "x$subdirs" != x; then
2645 echo "dir ${srcdir}/$s" >> .gdbinit
2648 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2650 # Define variables host_canonical and build_canonical
2651 # because some Cygnus local changes in the Makefile depend on them.
2652 build_canonical=${build}
2653 host_canonical=${host}
2655 if test "${host}" != "${target}" ; then
2656 target_subdir=${target_alias}/
2658 AC_SUBST(build_canonical)
2659 AC_SUBST(host_canonical)
2660 AC_SUBST(target_subdir)
2662 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2663 # absolute path for gcc_tooldir based on inserting the number of up-directory
2664 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2665 # $(libsubdir)/@(unlibsubdir) based path.
2666 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2667 # make and thus we'd get different behavior depending on where we built the
2669 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2670 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2672 changequote(<<, >>)dnl
2673 # An explanation of the sed strings:
2674 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2675 # -e 's|/$||' match a trailing forward slash and eliminates it
2676 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2677 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2679 # (*) Note this pattern overwrites the first character of the string
2680 # with a forward slash if one is not already present. This is not a
2681 # problem because the exact names of the sub-directories concerned is
2682 # unimportant, just the number of them matters.
2684 # The practical upshot of these patterns is like this:
2686 # prefix exec_prefix result
2687 # ------ ----------- ------
2689 # /foo/ /foo/bar ../
2690 # /foo /foo/bar/ ../
2691 # /foo/ /foo/bar/ ../
2692 # /foo /foo/bar/ugg ../../
2695 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2696 changequote([, ])dnl
2698 AC_SUBST(gcc_tooldir)
2701 # Find a directory in which to install a shared libgcc.
2703 AC_ARG_ENABLE(version-specific-runtime-libs,
2704 [ --enable-version-specific-runtime-libs
2705 specify that runtime libraries should be
2706 installed in a compiler-specific directory])
2708 AC_ARG_WITH(slibdir,
2709 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2710 slibdir="$with_slibdir",
2711 if test "${enable_version_specific_runtime_libs+set}" = set; then
2712 slibdir='$(libsubdir)'
2713 elif test "$host" != "$target"; then
2714 slibdir='$(build_tooldir)/lib'
2720 objdir=`${PWDCMD-pwd}`
2723 # Process the language and host/target makefile fragments.
2724 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2726 # Substitute configuration variables
2729 AC_SUBST(all_boot_languages)
2730 AC_SUBST(all_compilers)
2731 AC_SUBST(all_gtfiles)
2732 AC_SUBST(all_gtfiles_files_langs)
2733 AC_SUBST(all_gtfiles_files_files)
2734 AC_SUBST(all_lang_makefiles)
2735 AC_SUBST(all_languages)
2736 AC_SUBST(all_stagestuff)
2737 AC_SUBST(build_exeext)
2738 AC_SUBST(build_install_headers_dir)
2739 AC_SUBST(build_xm_file_list)
2740 AC_SUBST(build_xm_file)
2741 AC_SUBST(build_xm_defines)
2742 AC_SUBST(check_languages)
2743 AC_SUBST(cc_set_by_configure)
2744 AC_SUBST(quoted_cc_set_by_configure)
2745 AC_SUBST(cpp_install_dir)
2746 AC_SUBST(dep_host_xmake_file)
2747 AC_SUBST(dep_tmake_file)
2748 AC_SUBST(extra_headers_list)
2749 AC_SUBST(extra_objs)
2750 AC_SUBST(extra_parts)
2751 AC_SUBST(extra_passes)
2752 AC_SUBST(extra_programs)
2753 AC_SUBST(float_h_file)
2754 AC_SUBST(gcc_config_arguments)
2755 AC_SUBST(gcc_gxx_include_dir)
2756 AC_SUBST(libstdcxx_incdir)
2757 AC_SUBST(gcc_version)
2758 AC_SUBST(gcc_version_full)
2759 AC_SUBST(gcc_version_trigger)
2760 AC_SUBST(host_exeext)
2761 AC_SUBST(host_extra_gcc_objs)
2762 AC_SUBST(host_xm_file_list)
2763 AC_SUBST(host_xm_file)
2764 AC_SUBST(host_xm_defines)
2766 AC_SUBST(lang_options_files)
2767 AC_SUBST(lang_specs_files)
2768 AC_SUBST(lang_tree_files)
2769 AC_SUBST(local_prefix)
2771 AC_SUBST(objc_boehm_gc)
2773 AC_SUBST(out_object_file)
2774 AC_SUBST(stage_prefix_set_by_configure)
2775 AC_SUBST(quoted_stage_prefix_set_by_configure)
2776 AC_SUBST(symbolic_link)
2777 AC_SUBST(thread_file)
2778 AC_SUBST(tm_file_list)
2780 AC_SUBST(tm_defines)
2781 AC_SUBST(tm_p_file_list)
2784 AC_SUBST(xm_defines)
2785 AC_SUBST(target_alias)
2786 AC_SUBST(c_target_objs)
2787 AC_SUBST(cxx_target_objs)
2788 AC_SUBST(target_cpu_default)
2790 AC_SUBST_FILE(target_overrides)
2791 AC_SUBST_FILE(host_overrides)
2792 AC_SUBST_FILE(language_fragments)
2793 AC_SUBST_FILE(language_hooks)
2795 # Echo that links are built
2796 if test x$host = x$target
2804 if test x$host != x$build
2806 str3=" on a $build system"
2809 if test "x$str2" != x || test "x$str3" != x
2814 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2816 if test "x$str2" != x || test "x$str3" != x
2818 echo " ${str2}${str3}." 1>&2
2821 # Truncate the target if necessary
2822 if test x$host_truncate_target != x; then
2823 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2826 # Configure the subdirectories
2827 # AC_CONFIG_SUBDIRS($subdirs)
2829 # Create the Makefile
2830 # and configure language subdirectories
2831 AC_OUTPUT($all_outputs,
2833 case x$CONFIG_HEADERS in
2834 xauto-host.h:config.in)
2837 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2838 # bootstrapping and the installation procedure can still use
2839 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2840 # FLAGS_TO_PASS has been modified to solve the problem there.
2841 # This is virtually a duplicate of what happens in configure.lang; we do
2842 # an extra check to make sure this only happens if ln -s can be used.
2843 if test "$symbolic_link" = "ln -s"; then
2844 for d in .. ${subdirs} fixinc ; do
2845 if test $d != ..; then
2846 STARTDIR=`${PWDCMD-pwd}`
2848 for t in stage1 stage2 stage3 stage4 include
2851 $symbolic_link ../$t $t 2>/dev/null
2857 # Avoid having to add intl to our include paths.
2858 if test -f intl/libintl.h; then
2859 echo creating libintl.h
2860 echo '#include "intl/libintl.h"' >libintl.h
2864 symbolic_link='$symbolic_link'
projects / gcc.git / blob