2 # Process this file with autoconf to generate a configuration script.
4 # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003
5 # Free Software Foundation, Inc.
7 #This file is part of GCC.
9 #GCC is free software; you can redistribute it and/or modify it under
10 #the terms of the GNU General Public License as published by the Free
11 #Software Foundation; either version 2, or (at your option) any later
14 #GCC is distributed in the hope that it will be useful, but WITHOUT
15 #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19 #You should have received a copy of the GNU General Public License
20 #along with GCC; see the file COPYING. If not, write to the Free
21 #Software Foundation, 59 Temple Place - Suite 330, Boston, MA
24 # Initialization and defaults
27 AC_CONFIG_HEADER(auto-host.h:config.in)
34 # Check for bogus environment variables.
35 # Test if LIBRARY_PATH contains the notation for the current directory
36 # since this would lead to problems installing/building glibc.
37 # LIBRARY_PATH contains the current directory if one of the following
39 # - one of the terminals (":" and ";") is the first or last sign
40 # - two terminals occur directly after each other
41 # - the path contains an element with a dot in it
42 AC_MSG_CHECKING(LIBRARY_PATH variable)
44 case ${LIBRARY_PATH} in
45 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
46 library_path_setting="contains current directory"
49 library_path_setting="ok"
53 AC_MSG_RESULT($library_path_setting)
54 if test "$library_path_setting" != "ok"; then
56 *** LIBRARY_PATH shouldn't contain the current directory when
57 *** building gcc. Please change the environment variable
58 *** and run configure again.])
61 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
62 # since this would lead to problems installing/building glibc.
63 # GCC_EXEC_PREFIX contains the current directory if one of the following
65 # - one of the terminals (":" and ";") is the first or last sign
66 # - two terminals occur directly after each other
67 # - the path contains an element with a dot in it
68 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
70 case ${GCC_EXEC_PREFIX} in
71 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
72 gcc_exec_prefix_setting="contains current directory"
75 gcc_exec_prefix_setting="ok"
79 AC_MSG_RESULT($gcc_exec_prefix_setting)
80 if test "$gcc_exec_prefix_setting" != "ok"; then
82 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
83 *** building gcc. Please change the environment variable
84 *** and run configure again.])
87 # Check for additional parameters
91 [ --with-gnu-ld arrange to work with GNU ld.],
92 gnu_ld_flag="$with_gnu_ld",
97 [ --with-ld arrange to use the specified ld (full pathname)],
98 DEFAULT_LINKER="$with_ld")
99 if test x"${DEFAULT_LINKER+set}" = x"set"; then
100 if test ! -x "$DEFAULT_LINKER"; then
101 AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
102 elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
105 AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
106 [Define to enable the use of a default linker.])
111 [ --with-gnu-as arrange to work with GNU as],
112 gas_flag="$with_gnu_as",
116 [ --with-as arrange to use the specified as (full pathname)],
117 DEFAULT_ASSEMBLER="$with_as")
118 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
119 if test ! -x "$DEFAULT_ASSEMBLER"; then
120 AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
121 elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
124 AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
125 [Define to enable the use of a default assembler.])
130 [ --with-stabs arrange to use stabs instead of host debug format],
136 [ --with-elf arrange to use ELF instead of host debug format],
140 # Specify the local prefix
142 AC_ARG_WITH(local-prefix,
143 [ --with-local-prefix=DIR specifies directory to put local include],
144 [case "${withval}" in
145 yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
147 *) local_prefix=$with_local_prefix ;;
150 # Default local prefix if it is empty
151 if test x$local_prefix = x; then
152 local_prefix=/usr/local
155 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
156 # passed in by the toplevel make and thus we'd get different behavior
157 # depending on where we built the sources.
159 # Specify the g++ header file directory
160 AC_ARG_WITH(gxx-include-dir,
161 [ --with-gxx-include-dir=DIR
162 specifies directory to put g++ header files],
163 [case "${withval}" in
164 yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
166 *) gcc_gxx_include_dir=$with_gxx_include_dir ;;
169 if test x${gcc_gxx_include_dir} = x; then
170 if test x${enable_version_specific_runtime_libs} = xyes; then
171 gcc_gxx_include_dir='${libsubdir}/include/c++'
173 topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
174 changequote(<<, >>)dnl
175 gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
180 # Determine the host, build, and target systems
183 # Set program_transform_name
186 # Find the native compiler
189 # autoconf is lame and doesn't give us any substitution variable for this.
190 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
191 NO_MINUS_C_MINUS_O=yes
193 OUTPUT_OPTION='-o $@'
195 AC_SUBST(NO_MINUS_C_MINUS_O)
196 AC_SUBST(OUTPUT_OPTION)
198 # See if GNAT has been installed
201 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
202 ac_cv_prog_cc_no_long_long,
203 [save_CFLAGS="$CFLAGS"
204 CFLAGS="-Wno-long-long"
205 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
206 ac_cv_prog_cc_no_long_long=no)
207 CFLAGS="$save_CFLAGS"])
209 if test x$have_gnat != xno ; then
210 AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
211 ac_cv_prog_adac_no_long_long,
212 [cat >conftest.adb <<EOF
213 procedure conftest is begin null; end conftest;
215 if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
216 ac_cv_prog_adac_no_long_long=yes
218 ac_cv_prog_adac_no_long_long=no
222 ac_cv_prog_adac_no_long_long=yes
226 if test $ac_cv_prog_cc_no_long_long = yes && \
227 test $ac_cv_prog_adac_no_long_long = yes ; then
228 strict1_warn="-pedantic -Wno-long-long"
230 AC_SUBST(strict1_warn)
240 # sizeof(char) is 1 by definition.
241 AC_COMPILE_CHECK_SIZEOF(short)
242 AC_COMPILE_CHECK_SIZEOF(int)
243 AC_COMPILE_CHECK_SIZEOF(long)
244 if test $ac_cv_c_long_long = yes; then
245 AC_COMPILE_CHECK_SIZEOF(long long)
247 if test $ac_cv_c___int64 = yes; then
248 AC_COMPILE_CHECK_SIZEOF(__int64)
253 # If the native compiler is GCC, we can enable warnings even in stage1.
254 # That's useful for people building cross-compilers, or just running a
257 if test "x$GCC" = "xyes"; then
258 warn_cflags='$(GCC_WARN_CFLAGS)'
260 AC_SUBST(warn_cflags)
262 # Determine whether or not multilibs are enabled.
263 AC_ARG_ENABLE(multilib,
264 [ --enable-multilib enable library support for multiple ABIs],
265 [], [enable_multilib=yes])
266 AC_SUBST(enable_multilib)
268 # Enable -Werror in bootstrap stage2 and later.
269 # Change the default to "no" on release branches.
270 AC_ARG_ENABLE(werror,
271 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
273 if test x$enable_werror = xyes ; then
278 # Enable expensive internal checks
279 AC_ARG_ENABLE(checking,
280 [ --enable-checking[=LIST]
281 enable expensive run-time checks. With LIST,
282 enable only specific categories of checks.
283 Categories are: misc,tree,rtl,rtlflag,gc,gcac;
284 default is misc,tree,gc,rtlflag],
290 ac_gc_always_collect=
291 case "${enableval}" in
292 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
293 ac_rtlflag_checking=1 ;;
295 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
296 set fnord $enableval; shift
301 misc) ac_checking=1 ;;
302 tree) ac_tree_checking=1 ;;
303 rtlflag) ac_rtlflag_checking=1 ;;
304 rtl) ac_rtl_checking=1 ;;
305 gc) ac_gc_checking=1 ;;
306 gcac) ac_gc_always_collect=1 ;;
307 valgrind) ac_checking_valgrind=1 ;;
308 *) AC_MSG_ERROR(unknown check category $check) ;;
314 # Enable some checks by default for development versions of GCC
315 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
317 if test x$ac_checking != x ; then
318 AC_DEFINE(ENABLE_CHECKING, 1,
319 [Define if you want more run-time sanity checks. This one gets a grab
320 bag of miscellaneous but relatively cheap checks.])
321 nocommon_flag=-fno-common
323 AC_SUBST(nocommon_flag)
324 if test x$ac_tree_checking != x ; then
325 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
326 [Define if you want all operations on trees (the basic data
327 structure of the front ends) to be checked for dynamic type safety
328 at runtime. This is moderately expensive.])
330 if test x$ac_rtl_checking != x ; then
331 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
332 [Define if you want all operations on RTL (the basic data structure
333 of the optimizer and back end) to be checked for dynamic type safety
334 at runtime. This is quite expensive.])
336 if test x$ac_rtlflag_checking != x ; then
337 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
338 [Define if you want RTL flag accesses to be checked against the RTL
339 codes that are supported for each access macro. This is relatively
342 if test x$ac_gc_checking != x ; then
343 AC_DEFINE(ENABLE_GC_CHECKING, 1,
344 [Define if you want the garbage collector to do object poisoning and
345 other memory allocation checks. This is quite expensive.])
347 if test x$ac_gc_always_collect != x ; then
348 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
349 [Define if you want the garbage collector to operate in maximally
350 paranoid mode, validating the entire heap and collecting garbage at
351 every opportunity. This is extremely expensive.])
353 valgrind_path_defines=
355 if test x$ac_checking_valgrind != x ; then
356 # It is certainly possible that there's valgrind but no valgrind.h.
357 # GCC relies on making annotations so we must have both.
358 AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
359 AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
360 [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
361 if test "x$valgrind_path" = "x" || test $have_valgrind_h = no; then
362 AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h])
364 valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
365 valgrind_command="$valgrind_path -q"
366 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
367 [Define if you want to run subprograms and generated programs
368 through valgrind (a memory checker). This is extremely expensive.])
370 AC_SUBST(valgrind_path_defines)
371 AC_SUBST(valgrind_command)
373 # Enable code coverage collection
374 AC_ARG_ENABLE(coverage,
375 [ --enable-coverage[=LEVEL]
376 enable compiler\'s code coverage collection.
377 Use to measure compiler performance and locate
378 unused parts of the compiler. With LEVEL, specify
379 optimization. Values are opt, noopt,
381 [case "${enableval}" in
383 coverage_flags="-fprofile-arcs -ftest-coverage -O0 -DSELF_COVERAGE=1"
386 coverage_flags="-fprofile-arcs -ftest-coverage -O2 -DSELF_COVERAGE=2"
389 AC_MSG_ERROR(unknown coverage setting $enableval)
393 AC_SUBST(coverage_flags)
395 AC_ARG_WITH(cpp_install_dir,
396 [ --with-cpp-install-dir=DIR
397 install the user visible C preprocessor in DIR
398 (relative to PREFIX) as well as PREFIX/bin],
399 [if test x$withval = xyes; then
400 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
401 elif test x$withval != xno; then
402 cpp_install_dir=$withval
405 # Enable __cxa_atexit for C++.
406 AC_ARG_ENABLE(__cxa_atexit,
407 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
409 if test x$enable___cxa_atexit = xyes; then
410 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
411 [Define if you want to use __cxa_atexit, rather than atexit, to
412 register C++ destructors for local statics and global objects.
413 This is essential for fully standards-compliant handling of
414 destructors, but requires __cxa_atexit in libc.])
417 # Enable Multibyte Characters for C/C++
418 AC_ARG_ENABLE(c-mbchar,
419 [ --enable-c-mbchar enable multibyte characters for C and C++],
420 if test x$enable_c_mbchar != xno; then
421 AC_DEFINE(MULTIBYTE_CHARS, 1,
422 [Define if you want the C and C++ compilers to support multibyte
423 character sets for source code.])
427 # Pass with no value to take the default
428 # Pass with a value to specify a thread package
429 AC_ARG_ENABLE(threads,
430 [ --enable-threads enable thread usage for target GCC
431 --enable-threads=LIB use LIB thread package for target GCC],,
434 enable_threads_flag=$enable_threads
435 # Check if a valid thread package
436 case x${enable_threads_flag} in
439 target_thread_file='single'
443 target_thread_file=''
445 xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
446 xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
447 target_thread_file=$enable_threads_flag
450 echo "$enable_threads is an unknown thread package" 1>&2
455 AC_ARG_ENABLE(objc-gc,
456 [ --enable-objc-gc enable the use of Boehm's garbage collector with
457 the GNU Objective-C runtime],
458 if test x$enable_objc_gc = xno; then
466 [ --with-dwarf2 force the default debug format to be DWARF 2],
467 dwarf2="$with_dwarf2",
470 AC_ARG_ENABLE(shared,
471 [ --disable-shared don't provide a shared libgcc],
473 case $enable_shared in
477 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
478 for pkg in $enableval; do
479 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
486 ], [enable_shared=yes])
487 AC_SUBST(enable_shared)
490 [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
492 case ${with_sysroot} in
493 yes) TARGET_SYSTEM_ROOT='${gcc_tooldir}/sys-root' ;;
494 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
497 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
498 CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
501 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=0'
502 CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include'
504 AC_SUBST(TARGET_SYSTEM_ROOT)
505 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
506 AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
508 # Stage specific cflags for build.
514 stage1_cflags="-Wa,-J"
520 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
521 # sources; use -no-cpp-precomp to get to GNU cpp.
522 # Apple's GCC has bugs in designated initializer handling, so disable
524 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
527 AC_SUBST(stage1_cflags)
531 AC_MSG_CHECKING([whether a default assembler was specified])
532 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
533 if test x"$gas_flag" = x"no"; then
534 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
536 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
542 AC_MSG_CHECKING([whether a default linker was specified])
543 if test x"${DEFAULT_LINKER+set}" = x"set"; then
544 if test x"$gnu_ld_flag" = x"no"; then
545 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
547 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
553 AC_MSG_CHECKING(for GNU C library)
554 AC_CACHE_VAL(gcc_cv_glibc,
556 [#include <features.h>],[
557 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
558 #error Not a GNU C library system
562 AC_MSG_RESULT($gcc_cv_glibc)
563 if test $gcc_cv_glibc = yes; then
564 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
567 # Find some useful tools
576 gcc_AC_HEADER_STDBOOL
579 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
580 fcntl.h unistd.h sys/file.h sys/time.h \
581 sys/resource.h sys/param.h sys/times.h sys/stat.h \
582 direct.h malloc.h langinfo.h ldfcn.h)
584 # Check for thread headers.
585 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
586 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
588 # These tests can't be done till we know if we have limits.h.
591 gcc_AC_C_FLOAT_FORMAT
593 # See if we have the mktemp command.
594 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
596 # Do we have a single-tree copy of texinfo?
597 if test -f $srcdir/../texinfo/Makefile.in; then
598 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
599 gcc_cv_prog_makeinfo_modern=yes
600 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
602 # See if makeinfo has been installed and is modern enough
603 # that we can use it.
604 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
605 [GNU texinfo.* \([0-9][0-9.]*\)],
609 if test $gcc_cv_prog_makeinfo_modern = no; then
611 *** Makeinfo is missing or too old.
612 *** Info documentation will not be built.])
615 BUILD_INFO=info AC_SUBST(BUILD_INFO)
618 # Is pod2man recent enough to regenerate manpages?
619 AC_MSG_CHECKING([for recent Pod::Man])
620 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
622 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
629 dnl Don't use AC_PROG_LEX; we insist on flex.
630 dnl LEXLIB is not useful in gcc.
631 if test -f $srcdir/../flex/skel.c; then
632 FLEX='$(objdir)/../flex/flex'
634 AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
638 # The -L switch is so bison can find its skeleton file.
639 if test -f $srcdir/../bison/bison.simple; then
640 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
642 AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
645 # These libraries may be used by collect2.
646 # We may need a special search path to get them linked.
647 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
649 for libs in '' -lld -lmld \
650 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
651 '-L/usr/lib/cmplrs/cc3.11 -lmld'
654 AC_TRY_LINK_FUNC(ldopen,
655 [gcc_cv_collect2_libs="$libs"; break])
658 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
659 case $gcc_cv_collect2_libs in
661 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
663 AC_SUBST(COLLECT2_LIBS)
665 # When building Ada code on Alpha, we need exc_resume which is usually in
666 # -lexc. So test for it.
669 AC_SEARCH_LIBS(exc_resume, exc)
672 AC_SUBST(GNAT_LIBEXC)
674 # See if the stage1 system preprocessor understands the ANSI C
675 # preprocessor stringification operator. (Used by symcat.h.)
678 # Use <inttypes.h> only if it exists,
679 # doesn't clash with <sys/types.h>, and declares intmax_t.
680 AC_MSG_CHECKING(for inttypes.h)
681 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
683 [#include <sys/types.h>
684 #include <inttypes.h>],
686 [gcc_cv_header_inttypes_h=yes],
687 gcc_cv_header_inttypes_h=no)])
688 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
689 if test $gcc_cv_header_inttypes_h = yes; then
690 AC_DEFINE(HAVE_INTTYPES_H, 1,
691 [Define if you have a working <inttypes.h> header file.])
694 dnl Disabled until we have a complete test for buggy enum bitfields.
695 dnl gcc_AC_C_ENUM_BF_UNSIGNED
697 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
698 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
699 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
702 AC_CHECK_TYPE(ssize_t, int)
704 # Try to determine the array type of the second argument of getgroups
705 # for the target system (int or gid_t).
707 if test "${target}" = "${build}"; then
708 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
711 # This condition may need some tweaking. It should include all
712 # targets where the array type of the second argument of getgroups
713 # is int and the type of gid_t is not equivalent to int.
714 *-*-sunos* | *-*-ultrix*)
715 TARGET_GETGROUPS_T=int
718 TARGET_GETGROUPS_T=gid_t
722 AC_SUBST(TARGET_GETGROUPS_T)
724 gcc_AC_FUNC_PRINTF_PTR
729 *** UWIN may not be used as a host platform because
730 *** linking with posix.dll is not allowed by the GNU GPL])
733 # Under VMS, vfork works very different than on Unix. The standard test
734 # won't work, and it isn't easily adaptable. It makes more sense to
736 ac_cv_func_vfork_works=yes
740 AC_FUNC_MMAP_ANYWHERE
745 # We will need to find libiberty.h and ansidecl.h
746 saved_CFLAGS="$CFLAGS"
747 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
748 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
749 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
750 fprintf_unlocked strstr errno vasprintf \
751 malloc realloc calloc free basename getopt clock, , ,[
752 #include "ansidecl.h"
753 #include "system.h"])
755 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
756 #include "ansidecl.h"
758 #ifdef HAVE_SYS_RESOURCE_H
759 #include <sys/resource.h>
763 gcc_AC_CHECK_DECLS(ldgetname, , ,[
764 #include "ansidecl.h"
771 gcc_AC_CHECK_DECLS(times, , ,[
772 #include "ansidecl.h"
774 #ifdef HAVE_SYS_TIMES_H
775 #include <sys/times.h>
779 # More time-related stuff.
780 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
782 #include "ansidecl.h"
784 #ifdef HAVE_SYS_TIMES_H
785 #include <sys/times.h>
787 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
788 if test $ac_cv_struct_tms = yes; then
789 AC_DEFINE(HAVE_STRUCT_TMS, 1,
790 [Define if <sys/times.h> defines struct tms.])
793 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
794 # revisit after autoconf 2.50.
795 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
797 #include "ansidecl.h"
799 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
800 if test $gcc_cv_type_clock_t = yes; then
801 AC_DEFINE(HAVE_CLOCK_T, 1,
802 [Define if <time.h> defines clock_t.])
805 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
807 #include "ansidecl.h"
810 [if ((uchar *)0) return 0;
811 if (sizeof(uchar)) return 0;],
812 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
813 if test $ac_cv_type_uchar = yes; then
814 AC_DEFINE(HAVE_UCHAR, 1,
815 [Define if <sys/types.h> defines \`uchar'.])
818 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
819 CFLAGS="$saved_CFLAGS"
821 gcc_AC_INITFINI_ARRAY
823 # mkdir takes a single argument on some systems.
824 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
832 # With Setjmp/Longjmp based exception handling.
833 AC_ARG_ENABLE(sjlj-exceptions,
834 [ --enable-sjlj-exceptions
835 arrange to use setjmp/longjmp exception handling],
836 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
837 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
838 [Define 0/1 to force the choice for exception handling model.])])
840 AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
841 # Use libunwind based exception handling.
842 AC_ARG_ENABLE(libunwind-exceptions,
843 [ --enable-libunwind-exceptions force use libunwind for exceptions],
844 use_libunwind_exceptions=$enableval,
845 use_libunwind_exceptions=$use_libunwind_default)
846 if test x"$use_libunwind_exceptions" = xyes; then
847 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
848 [Define if gcc should use -lunwind.])
854 build_install_headers_dir=install-headers-tar
859 host_truncate_target=
862 # Decode the host machine, then the target machine.
863 # For the host machine, we save the xm_file variable as host_xm_file;
864 # then we decode the target machine and forget everything else
865 # that came from the host machine.
866 for machine in $build $host $target; do
867 . ${srcdir}/config.gcc
870 extra_objs="${host_extra_objs} ${extra_objs}"
872 # Default the target-machine variables that were not explicitly set.
873 if test x"$tm_file" = x
874 then tm_file=$cpu_type/$cpu_type.h; fi
876 if test x"$extra_headers" = x
877 then extra_headers=; fi
879 if test x$md_file = x
880 then md_file=$cpu_type/$cpu_type.md; fi
882 if test x$out_file = x
883 then out_file=$cpu_type/$cpu_type.c; fi
885 if test x"$tmake_file" = x
886 then tmake_file=$cpu_type/t-$cpu_type
889 if test x"$dwarf2" = xyes
890 then tm_file="$tm_file tm-dwarf2.h"
893 # Say what files are being used for the output code and MD file.
894 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
895 echo "Using \`$srcdir/config/$md_file' as machine description file."
897 # If any of the xm_file variables contain nonexistent files, warn
898 # about them and drop them.
901 for x in $build_xm_file; do
902 if test -f $srcdir/config/$x
904 else AC_MSG_WARN($srcdir/config/$x does not exist.)
910 for x in $host_xm_file; do
911 if test -f $srcdir/config/$x
913 else AC_MSG_WARN($srcdir/config/$x does not exist.)
919 for x in $xm_file; do
920 if test -f $srcdir/config/$x
922 else AC_MSG_WARN($srcdir/config/$x does not exist.)
928 for f in $tm_file; do
931 if test $count = ax; then
932 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
934 echo "Using the following target machine macro files:"
935 for f in $tm_file; do
936 echo " $srcdir/config/$f"
940 if test x$need_64bit_hwint = xyes; then
941 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
942 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
946 for f in $host_xm_file; do
949 if test $count = a; then
951 elif test $count = ax; then
952 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
954 echo "Using the following host machine macro files:"
955 for f in $host_xm_file; do
956 echo " $srcdir/config/$f"
959 echo "Using ${out_host_hook_obj} for host machine hooks."
961 if test "$host_xm_file" != "$build_xm_file"; then
963 for f in $build_xm_file; do
966 if test $count = a; then
968 elif test $count = ax; then
969 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
971 echo "Using the following build machine macro files:"
972 for f in $build_xm_file; do
973 echo " $srcdir/config/$f"
978 if test x$thread_file = x; then
979 if test x$target_thread_file != x; then
980 thread_file=$target_thread_file
986 # Look for a file containing extra machine modes.
987 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
988 extra_modes_file='$(srcdir)'/config/${extra_modes}
989 AC_SUBST(extra_modes_file)
990 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
991 [Define to the name of a file containing a list of extra machine modes
992 for this architecture.])
993 AC_DEFINE(EXTRA_CC_MODES, 1,
994 [Define if the target architecture needs extra machine modes to represent
995 the results of comparisons.])
998 # auto-host.h is the file containing items generated by autoconf and is
999 # the first file included by config.h.
1000 # If host=build, it is correct to have bconfig include auto-host.h
1001 # as well. If host!=build, we are in error and need to do more
1002 # work to find out the build config parameters.
1003 if test x$host = x$build
1005 build_auto=auto-host.h
1008 # We create a subdir, then run autoconf in the subdir.
1009 # To prevent recursion we set host and build for the new
1010 # invocation of configure to the build for this invocation
1017 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
1018 *) realsrcdir=../${srcdir};;
1020 saved_CFLAGS="${CFLAGS}"
1021 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
1022 ${realsrcdir}/configure \
1023 --target=$target_alias --host=$build_alias --build=$build_alias
1024 CFLAGS="${saved_CFLAGS}"
1026 # We just finished tests for the build machine, so rename
1027 # the file auto-build.h in the gcc directory.
1028 mv auto-host.h ../auto-build.h
1031 build_auto=auto-build.h
1032 FORBUILD=../build-$build_alias
1036 tm_file="${tm_file} defaults.h"
1037 tm_p_file="${tm_p_file} tm-preds.h"
1038 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1039 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1040 # We don't want ansidecl.h in target files, write code there in ISO/GNU C.
1041 # put this back in temporarily.
1042 xm_file="ansidecl.h ${xm_file}"
1044 # Truncate the target if necessary
1045 if test x$host_truncate_target != x; then
1046 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
1049 # Get the version trigger filename from the toplevel
1050 if test "${with_gcc_version_trigger+set}" = set; then
1051 gcc_version_trigger=$with_gcc_version_trigger
1053 gcc_version_trigger=${srcdir}/version.c
1056 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1057 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1059 # Compile in configure arguments.
1060 if test -f configargs.h ; then
1061 # Being re-configured.
1062 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1063 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1065 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1067 cat > configargs.h <<EOF
1068 /* Generated automatically. */
1069 static const char configuration_arguments[] = "$gcc_config_arguments";
1070 static const char thread_model[] = "$thread_file";
1074 # Internationalization
1076 VERSION="$gcc_version"
1080 # Enable NLS support by default
1082 [ --enable-nls use Native Language Support (default)],
1085 # if cross compiling, disable NLS support.
1086 # It's not worth the trouble, at least for now.
1088 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
1089 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
1095 # Windows32 Registry support for specifying GCC installation paths.
1096 AC_ARG_ENABLE(win32-registry,
1097 [ --disable-win32-registry
1098 disable lookup of installation paths in the
1099 Registry on Windows hosts
1100 --enable-win32-registry enable registry lookup (default)
1101 --enable-win32-registry=KEY
1102 use KEY instead of GCC version as the last portion
1103 of the registry key],,)
1105 win32 | pe | cygwin* | mingw32* | uwin*)
1106 AC_MSG_CHECKING(whether windows registry support is requested)
1107 if test "x$enable_win32_registry" != xno; then
1108 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1109 [Define to 1 if installation paths should be looked up in Windows32
1110 Registry. Ignored on non windows32 hosts.])
1112 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1117 # Check if user specified a different registry key.
1118 case "x${enable_win32_registry}" in
1121 gcc_cv_win32_registry_key="$VERSION"
1124 # no registry lookup.
1125 gcc_cv_win32_registry_key=''
1128 # user-specified key.
1129 gcc_cv_win32_registry_key="$enable_win32_registry"
1133 if test "x$enable_win32_registry" != xno; then
1134 AC_MSG_CHECKING(registry key on windows hosts)
1135 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1136 [Define to be the last portion of registry key on windows hosts.])
1137 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1142 # Get an absolute path to the GCC top-level source directory
1143 holddir=`${PWDCMD-pwd}`
1145 topdir=`${PWDCMD-pwd}`
1148 # Conditionalize the makefile for this host machine.
1149 # Make-host contains the concatenation of all host makefile fragments
1150 # [there can be more than one]. This file is built by configure.frag.
1151 host_overrides=Make-host
1152 dep_host_xmake_file=
1153 for f in .. ${host_xmake_file}
1155 if test -f ${srcdir}/config/$f
1157 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1161 # Conditionalize the makefile for this target machine.
1162 # Make-target contains the concatenation of all host makefile fragments
1163 # [there can be more than one]. This file is built by configure.frag.
1164 target_overrides=Make-target
1166 for f in .. ${tmake_file}
1168 if test -f ${srcdir}/config/$f
1170 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1174 # If the host doesn't support symlinks, modify CC in
1175 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1176 # Otherwise, we can use "CC=$(CC)".
1178 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1180 cc_set_by_configure="\$(CC)"
1181 quoted_cc_set_by_configure="\$(CC)"
1182 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1183 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1186 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1188 symbolic_link="cp -p"
1192 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1193 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1194 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1195 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1199 out_object_file=`basename $out_file .c`.o
1202 for f in $tm_file; do
1205 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1207 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1208 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1213 for f in $tm_p_file; do
1216 tm_p_file_list="${tm_p_file_list} $f" ;;
1217 *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;;
1222 for f in $host_xm_file; do
1225 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1227 host_xm_file_list="${host_xm_file_list} $f" ;;
1229 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1230 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1235 for f in $build_xm_file; do
1238 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1239 auto-build.h | auto-host.h )
1240 build_xm_file_list="${build_xm_file_list} $f" ;;
1242 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1243 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1247 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1248 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1249 CROSS= AC_SUBST(CROSS)
1250 ALL=all.internal AC_SUBST(ALL)
1251 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1252 if test x$host != x$target
1254 CROSS="-DCROSS_COMPILE"
1256 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1257 case "$host","$target" in
1258 i?86-*-*,x86_64-*-* \
1259 | powerpc*-*-*,powerpc64*-*-*)
1260 CROSS="$CROSS -DNATIVE_CROSS" ;;
1264 # If this is a cross-compiler that does not
1265 # have its own set of headers then define
1268 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1269 # This prevents libgcc2 from containing any code which requires libc
1272 if { test x$host != x$target && test "x$with_headers" = x &&
1273 test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then
1274 inhibit_libc=-Dinhibit_libc
1276 AC_SUBST(inhibit_libc)
1278 # When building gcc with a cross-compiler, we need to adjust things so
1279 # that the generator programs are still built with the native compiler.
1280 # Also, we cannot run fixincludes or fix-header.
1282 # These are the normal (build=host) settings:
1283 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1284 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1285 BUILD_CC='$(CC)' AC_SUBST(BUILD_CC)
1286 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1288 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1289 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1291 # And these apply if build != host.
1292 if test x$build != x$host
1295 BUILD_PREFIX_1=build-
1296 BUILD_CC='$(CC_FOR_BUILD)'
1297 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1303 # Expand extra_headers to include complete path.
1304 # This substitutes for lots of t-* files.
1306 if test "x$extra_headers" = x
1309 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1310 for file in $extra_headers;
1312 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1316 if test x$use_collect2 = xno; then
1320 # Add a definition of USE_COLLECT2 if system wants one.
1321 if test x$use_collect2 != x
1323 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1324 xm_defines="${xm_defines} USE_COLLECT2"
1327 # If we have gas in the build tree, make a link to it.
1328 if test -f ../gas/Makefile; then
1329 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1332 # If we have nm and objdump in the build tree, make a link to them.
1333 if test -f ../binutils/Makefile; then
1334 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1335 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1338 # If we have ld in the build tree, make a link to it.
1339 if test -f ../ld/Makefile; then
1340 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1343 # Figure out what assembler we will be using.
1344 AC_MSG_CHECKING(what assembler to use)
1346 gcc_cv_gas_major_version=
1347 gcc_cv_gas_minor_version=
1348 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1349 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1350 if test -x "$DEFAULT_ASSEMBLER"; then
1351 gcc_cv_as="$DEFAULT_ASSEMBLER"
1352 elif test -x "$AS"; then
1354 elif test -x as$host_exeext; then
1355 # Build using assembler in the current directory.
1356 gcc_cv_as=./as$host_exeext
1357 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1358 # Single tree build which includes gas.
1359 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
1362 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1364 if test x$gcc_cv_gas_version != x; then
1369 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1370 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1371 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1375 if test "x$gcc_cv_as" = x; then
1376 # Search the same directories that the installed compiler will
1377 # search. Else we may find the wrong assembler and lose. If we
1378 # do not find a suitable assembler binary, then try the user's
1381 # Also note we have to check MD_EXEC_PREFIX before checking the
1382 # user's path. Unfortunately, there is no good way to get at the
1383 # value of MD_EXEC_PREFIX here. So we do a brute force search
1384 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1385 # to be fixed as part of the make/configure rewrite too.
1387 if test "x$exec_prefix" = xNONE; then
1388 if test "x$prefix" = xNONE; then
1389 test_prefix=/usr/local
1394 test_prefix=$exec_prefix
1397 # If the loop below does not find an assembler, then use whatever
1398 # one we can find in the users's path.
1400 if test "x$program_prefix" != xNONE; then
1401 gcc_cv_as=${program_prefix}as$host_exeext
1403 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1406 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1407 $test_prefix/lib/gcc-lib/$target_alias \
1408 /usr/lib/gcc/$target_alias/$gcc_version \
1409 /usr/lib/gcc/$target_alias \
1410 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1411 $test_prefix/$target_alias/bin"
1413 if test x$host = x$target; then
1414 test_dirs="$test_dirs \
1419 /bsd43/usr/lib/cmplrs/cc \
1420 /usr/cross64/usr/bin \
1421 /usr/lib/cmplrs/cc \
1422 /sysv/usr/lib/cmplrs/cc \
1423 /svr4/usr/lib/cmplrs/cc \
1427 for dir in $test_dirs; do
1428 if test -x $dir/as$host_exeext; then
1429 gcc_cv_as=$dir/as$host_exeext
1434 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1435 AC_MSG_RESULT("newly built gas")
1437 AC_MSG_RESULT($gcc_cv_as)
1440 # Figure out what linker we will be using.
1441 AC_MSG_CHECKING(what linker to use)
1443 gcc_cv_gld_major_version=
1444 gcc_cv_gld_minor_version=
1445 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1446 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1447 if test -x "$DEFAULT_LINKER"; then
1448 gcc_cv_ld="$DEFAULT_LINKER"
1449 elif test -x "$LD"; then
1451 elif test -x ld$host_exeext; then
1452 # Build using linker in the current directory.
1453 gcc_cv_ld=./ld$host_exeext
1454 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1455 # Single tree build which includes ld.
1456 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
1459 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1461 if test x$gcc_cv_gld_version != x; then
1466 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1467 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1471 if test "x$gcc_cv_ld" = x; then
1472 # Search the same directories that the installed compiler will
1473 # search. Else we may find the wrong linker and lose. If we
1474 # do not find a suitable linker binary, then try the user's
1477 # Also note we have to check MD_EXEC_PREFIX before checking the
1478 # user's path. Unfortunately, there is no good way to get at the
1479 # value of MD_EXEC_PREFIX here. So we do a brute force search
1480 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1481 # to be fixed as part of the make/configure rewrite too.
1483 if test "x$exec_prefix" = xNONE; then
1484 if test "x$prefix" = xNONE; then
1485 test_prefix=/usr/local
1490 test_prefix=$exec_prefix
1493 # If the loop below does not find an linker, then use whatever
1494 # one we can find in the users's path.
1496 if test "x$program_prefix" != xNONE; then
1497 gcc_cv_ld=${program_prefix}ld$host_exeext
1499 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1502 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1503 $test_prefix/lib/gcc-lib/$target_alias \
1504 /usr/lib/gcc/$target_alias/$gcc_version \
1505 /usr/lib/gcc/$target_alias \
1506 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1507 $test_prefix/$target_alias/bin"
1509 if test x$host = x$target; then
1510 test_dirs="$test_dirs \
1515 /bsd43/usr/lib/cmplrs/cc \
1516 /usr/cross64/usr/bin \
1517 /usr/lib/cmplrs/cc \
1518 /sysv/usr/lib/cmplrs/cc \
1519 /svr4/usr/lib/cmplrs/cc \
1523 for dir in $test_dirs; do
1524 if test -x $dir/ld$host_exeext; then
1525 gcc_cv_ld=$dir/ld$host_exeext
1530 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1531 AC_MSG_RESULT("newly built ld")
1533 AC_MSG_RESULT($gcc_cv_ld)
1536 # Figure out what nm we will be using.
1537 AC_MSG_CHECKING(what nm to use)
1538 if test -x nm$host_exeext; then
1539 gcc_cv_nm=./nm$host_exeext
1540 elif test "x$program_prefix" != xNONE; then
1541 gcc_cv_nm=${program_prefix}nm$host_exeext
1543 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1545 AC_MSG_RESULT($gcc_cv_nm)
1547 # Figure out what objdump we will be using.
1548 AC_MSG_CHECKING(what objdump to use)
1549 if test -x objdump$host_exeext; then
1550 gcc_cv_objdump=./objdump$host_exeext
1551 elif test "x$program_prefix" != xNONE; then
1552 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1554 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1556 AC_MSG_RESULT($gcc_cv_objdump)
1558 # Figure out what assembler alignment features are present.
1559 AC_MSG_CHECKING(assembler alignment features)
1560 gcc_cv_as_alignment_features=none
1561 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1562 # Gas version 2.6 and later support for .balign and .p2align.
1563 # bytes to skip when using .p2align.
1564 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1565 gcc_cv_as_alignment_features=".balign and .p2align"
1566 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1568 # Gas version 2.8 and later support specifying the maximum
1569 # bytes to skip when using .p2align.
1570 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1571 gcc_cv_as_alignment_features=".p2align including maximum skip"
1572 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1574 elif test x$gcc_cv_as != x; then
1575 # Check if we have .balign and .p2align
1576 echo ".balign 4" > conftest.s
1577 echo ".p2align 2" >> conftest.s
1578 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1579 gcc_cv_as_alignment_features=".balign and .p2align"
1580 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1582 rm -f conftest.s conftest.o
1583 # Check if specifying the maximum bytes to skip when
1584 # using .p2align is supported.
1585 echo ".p2align 4,,7" > conftest.s
1586 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1587 gcc_cv_as_alignment_features=".p2align including maximum skip"
1588 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1590 rm -f conftest.s conftest.o
1592 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1594 AC_MSG_CHECKING(assembler subsection support)
1595 gcc_cv_as_subsections=no
1596 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1597 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1598 gcc_cv_as_subsections="working .subsection -1"
1600 elif test x$gcc_cv_as != x; then
1601 # Check if we have .subsection
1602 echo ".subsection 1" > conftest.s
1603 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1604 gcc_cv_as_subsections=".subsection"
1605 if test x$gcc_cv_nm != x; then
1606 cat > conftest.s <<EOF
1607 conftest_label1: .word 0
1609 conftest_label2: .word 0
1612 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1613 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1614 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1615 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1618 gcc_cv_as_subsections="working .subsection -1"
1623 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1625 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1626 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1627 [Define if your assembler supports .subsection and .subsection -1 starts
1628 emitting at the beginning of your section.])
1630 AC_MSG_RESULT($gcc_cv_as_subsections)
1632 AC_MSG_CHECKING(assembler weak support)
1634 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1635 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1636 gcc_cv_as_weak="yes"
1638 elif test x$gcc_cv_as != x; then
1639 # Check if we have .weak
1640 echo " .weak foobar" > conftest.s
1641 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1642 gcc_cv_as_weak="yes"
1644 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1646 if test x"$gcc_cv_as_weak" = xyes; then
1647 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1649 AC_MSG_RESULT($gcc_cv_as_weak)
1651 AC_MSG_CHECKING(assembler hidden support)
1653 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1654 if test "$gcc_cv_gas_major_version" -eq 2 \
1655 -a "$gcc_cv_gas_minor_version" -eq 12 \
1656 -a "$gcc_cv_gas_patch_version" -ge 1 \
1657 -o "$gcc_cv_gas_major_version" -eq 2 \
1658 -a "$gcc_cv_gas_minor_version" -gt 12 \
1659 -o "$gcc_cv_gas_major_version" -gt 2 \
1660 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1661 gcc_cv_as_hidden="yes"
1663 elif test x$gcc_cv_as != x; then
1664 # Check if we have .hidden
1665 echo " .hidden foobar" > conftest.s
1666 echo "foobar:" >> conftest.s
1667 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1668 gcc_cv_as_hidden="yes"
1670 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1672 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1673 # This is irritatingly difficult to feature test for. Look for
1674 # the date string after the version number.
1675 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1676 if echo "$ld_ver" | grep GNU > /dev/null; then
1678 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1679 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1680 if test 0"$ld_date" -lt 20020404; then
1681 if test -n "$ld_date"; then
1682 # If there was date string, but was earlier than 2002-04-04, fail
1683 gcc_cv_as_hidden="no"
1684 elif test -z "$ld_vers"; then
1685 # If there was no date string nor ld version number, something is wrong
1686 gcc_cv_as_hidden="no"
1688 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1689 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1690 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1691 test -z "$ld_vers_patch" && ld_vers_patch=0
1692 if test "$ld_vers_major" -lt 2; then
1693 gcc_cv_as_hidden="no"
1694 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1695 gcc_cv_as_hidden="no"
1696 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1697 -a "$ld_vers_patch" -eq 0; then
1698 gcc_cv_as_hidden="no"
1705 if test x"$gcc_cv_as_hidden" = xyes; then
1706 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1707 [Define if your assembler supports .hidden.])
1709 AC_MSG_RESULT($gcc_cv_as_hidden)
1710 libgcc_visibility=$gcc_cv_as_hidden
1713 if test x"$gnu_ld_flag" = x"no"; then
1714 # Even if using gas with .hidden support, the resulting object files
1715 # cannot be linked with the IRIX 6 O32 linker. With the N32 and
1716 # N64 linkers, the problem is that the linker refuses to accept
1717 # -call_shared (passed by default to the linker) and -r (used to
1718 # link the object file generated without .hidden directives with
1719 # one that hides symbols), so we also lose.
1720 libgcc_visibility=no
1724 AC_SUBST(libgcc_visibility)
1726 AC_MSG_CHECKING(assembler leb128 support)
1728 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1729 if test "$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
1730 gcc_cv_as_leb128="yes"
1732 elif test x$gcc_cv_as != x; then
1733 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1734 cat > conftest.s <<EOF
1742 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1743 gcc_cv_as_leb128="yes"
1745 # GAS versions before 2.11 do not support uleb128,
1746 # despite appearing to.
1747 # ??? There exists an elf-specific test that will crash
1748 # the assembler. Perhaps it's better to figure out whether
1749 # arbitrary sections are supported and try the test.
1750 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1751 if echo "$as_ver" | grep GNU > /dev/null; then
1753 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1754 as_major=`echo $as_ver | sed 's/\..*//'`
1755 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1757 if test $as_major -eq 2 -a $as_minor -lt 11; then
1758 gcc_cv_as_leb128="no"
1762 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1764 if test x"$gcc_cv_as_leb128" = xyes; then
1765 AC_DEFINE(HAVE_AS_LEB128, 1,
1766 [Define if your assembler supports .uleb128.])
1768 AC_MSG_RESULT($gcc_cv_as_leb128)
1770 AC_MSG_CHECKING(assembler eh_frame optimization)
1771 gcc_cv_as_eh_frame=no
1772 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1773 if test "$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
1774 gcc_cv_as_eh_frame="yes"
1776 elif test x$gcc_cv_as != x; then
1777 # Check if this is GAS.
1778 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1779 rm -f a.out 2> /dev/null
1780 if echo "$as_ver" | grep GNU > /dev/null; then
1781 # Versions up to and including 2.11.0 may mis-optimize
1782 # .eh_frame data. Try something.
1783 cat > conftest.s <<EOF
1790 .section .eh_frame,"aw",@progbits
1792 .4byte .LECIE1-.LSCIE1
1806 .4byte .LEFDE1-.LASFDE1
1808 .4byte .LASFDE1-__FRAME_BEGIN__
1817 cat > conftest.lit <<EOF
1818 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1819 0010 01000000 12000000 18000000 00000000 ................
1820 0020 08000000 04080000 0044 .........D
1822 cat > conftest.big <<EOF
1823 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1824 0010 00000001 00000012 00000018 00000000 ................
1825 0020 00000008 04000000 0844 .........D
1827 # If the assembler didn't choke, and we can objdump,
1828 # and we got the correct data, then succeed.
1829 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1830 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1831 | tail -3 > conftest.got \
1832 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1833 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1835 gcc_cv_as_eh_frame="yes"
1837 gcc_cv_as_eh_frame="bad"
1838 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1839 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1840 [Define if your assembler mis-optimizes .eh_frame data.])
1846 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1848 AC_MSG_CHECKING(assembler section merging support)
1849 gcc_cv_as_shf_merge=no
1850 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1851 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1852 gcc_cv_as_shf_merge=yes
1854 elif test x$gcc_cv_as != x; then
1855 # Check if we support SHF_MERGE sections
1856 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1857 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1858 gcc_cv_as_shf_merge=yes
1860 rm -f conftest.s conftest.o
1862 if test x"$gcc_cv_as_shf_merge" = xyes; then
1863 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1864 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1866 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1868 AC_MSG_CHECKING(assembler thread-local storage support)
1877 .section ".tdata","awT",@progbits
1880 ldq $27,__tls_get_addr($29) !literal!1
1881 lda $16,foo($29) !tlsgd!1
1882 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1883 ldq $27,__tls_get_addr($29) !literal!2
1884 lda $16,foo($29) !tlsldm!2
1885 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1886 ldq $1,foo($29) !gotdtprel
1887 ldah $2,foo($29) !dtprelhi
1888 lda $3,foo($2) !dtprello
1889 lda $4,foo($29) !dtprel
1890 ldq $1,foo($29) !gottprel
1891 ldah $2,foo($29) !tprelhi
1892 lda $3,foo($2) !tprello
1893 lda $4,foo($29) !tprel'
1900 .section ".tdata","awT",@progbits
1904 leal foo@TLSGD(,%ebx,1), %eax
1905 leal foo@TLSLDM(%ebx), %eax
1906 leal foo@DTPOFF(%eax), %edx
1907 movl foo@GOTTPOFF(%ebx), %eax
1908 subl foo@GOTTPOFF(%ebx), %eax
1909 addl foo@GOTNTPOFF(%ebx), %eax
1910 movl foo@INDNTPOFF, %eax
1911 movl $foo@TPOFF, %eax
1912 subl $foo@TPOFF, %eax
1913 leal foo@NTPOFF(%ecx), %eax'
1919 .section ".tdata","awT",@progbits
1923 leaq foo@TLSGD(%rip), %rdi
1924 leaq foo@TLSLD(%rip), %rdi
1925 leaq foo@DTPOFF(%rax), %rdx
1926 movq foo@GOTTPOFF(%rip), %rax
1927 movq $foo@TPOFF, %rax'
1933 .section ".tdata","awT",@progbits
1936 addl r16 = @ltoff(@dtpmod(foo#)), gp
1937 addl r17 = @ltoff(@dtprel(foo#)), gp
1938 addl r18 = @ltoff(@tprel(foo#)), gp
1939 addl r19 = @dtprel(foo#), gp
1940 adds r21 = @dtprel(foo#), r13
1941 movl r23 = @dtprel(foo#)
1942 addl r20 = @tprel(foo#), gp
1943 adds r22 = @tprel(foo#), r13
1944 movl r24 = @tprel(foo#)'
1950 .section ".tdata","awT",@progbits
1959 l %r1,foo@GOTNTPOFF(%r12)
1960 l %r1,0(%r1):tls_load:foo
1961 bas %r14,0(%r1,%r13):tls_gdcall:foo
1962 bas %r14,0(%r1,%r13):tls_ldcall:foo'
1968 .section ".tdata","awT",@progbits
1976 lg %r1,foo@GOTNTPOFF(%r12)
1977 larl %r1,foo@INDNTPOFF
1978 brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
1979 brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
1984 if test -z "$tls_first_major"; then
1986 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1988 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1989 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1990 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1993 elif test x$gcc_cv_as != x; then
1994 echo "$conftest_s" > conftest.s
1995 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1999 rm -f conftest.s conftest.o
2001 if test "$gcc_cv_as_tls" = yes; then
2002 AC_DEFINE(HAVE_AS_TLS, 1,
2003 [Define if your assembler supports thread-local storage.])
2005 AC_MSG_RESULT($gcc_cv_as_tls)
2008 # All TARGET_ABI_OSF targets.
2009 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
2010 AC_CACHE_CHECK([assembler supports explicit relocations],
2011 gcc_cv_as_explicit_relocs, [
2012 gcc_cv_as_explicit_relocs=unknown
2013 if test x$gcc_cv_gas_major_version != x \
2014 -a x$gcc_cv_gas_minor_version != x
2016 if test "$gcc_cv_gas_major_version" -eq 2 \
2017 -a "$gcc_cv_gas_minor_version" -ge 12 \
2018 -o "$gcc_cv_gas_major_version" -gt 2; then
2019 gcc_cv_as_explicit_relocs=yes
2021 elif test x$gcc_cv_as != x; then
2022 cat > conftest.s << 'EOF'
2025 extbl $3, $2, $3 !lituse_bytoff!1
2026 ldq $2, a($29) !literal!1
2027 ldq $4, b($29) !literal!2
2028 ldq_u $3, 0($2) !lituse_base!1
2029 ldq $27, f($29) !literal!5
2030 jsr $26, ($27), f !lituse_jsr!5
2031 ldah $29, 0($26) !gpdisp!3
2032 lda $0, c($29) !gprel
2033 ldah $1, d($29) !gprelhigh
2034 lda $1, d($1) !gprellow
2035 lda $29, 0($29) !gpdisp!3
2037 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2038 gcc_cv_as_explicit_relocs=yes
2040 gcc_cv_as_explicit_relocs=no
2042 rm -f conftest.s conftest.o
2045 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
2046 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2047 [Define if your assembler supports explicit relocations.])
2051 AC_CACHE_CHECK([assembler .register pseudo-op support],
2052 gcc_cv_as_register_pseudo_op, [
2053 gcc_cv_as_register_pseudo_op=unknown
2054 if test x$gcc_cv_as != x; then
2055 # Check if we have .register
2056 echo ".register %g2, #scratch" > conftest.s
2057 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2058 gcc_cv_as_register_pseudo_op=yes
2060 gcc_cv_as_register_pseudo_op=no
2062 rm -f conftest.s conftest.o
2065 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
2066 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2067 [Define if your assembler supports .register.])
2070 AC_CACHE_CHECK([assembler supports -relax],
2071 gcc_cv_as_relax_opt, [
2072 gcc_cv_as_relax_opt=unknown
2073 if test x$gcc_cv_as != x; then
2074 # Check if gas supports -relax
2075 echo ".text" > conftest.s
2076 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
2077 gcc_cv_as_relax_opt=yes
2079 gcc_cv_as_relax_opt=no
2081 rm -f conftest.s conftest.o
2084 if test "x$gcc_cv_as_relax_opt" = xyes; then
2085 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2086 [Define if your assembler supports -relax option.])
2089 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
2090 gcc_cv_as_sparc_ua_pcrel, [
2091 gcc_cv_as_sparc_ua_pcrel=unknown
2092 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
2093 gcc_cv_as_sparc_ua_pcrel=no
2094 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
2095 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2096 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2097 gcc_cv_as_sparc_ua_pcrel=yes
2099 rm -f conftest.s conftest.o conftest
2102 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2103 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2104 [Define if your assembler and linker support unaligned PC relative relocs.])
2107 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
2108 gcc_cv_as_sparc_ua_pcrel_hidden, [
2109 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2110 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
2111 if test x$gcc_cv_objdump != x; then
2112 gcc_cv_as_sparc_ua_pcrel_hidden=no
2113 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
2114 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
2115 echo "foo: .skip 4" >> conftest.s
2116 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2117 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2118 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2119 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2120 if $gcc_cv_objdump -R conftest 2> /dev/null \
2121 | grep 'DISP32' > /dev/null 2>&1; then
2124 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2128 rm -f conftest.s conftest.o conftest
2130 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
2133 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
2134 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2135 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
2138 AC_CACHE_CHECK([for assembler offsetable %lo() support],
2139 gcc_cv_as_offsetable_lo10, [
2140 gcc_cv_as_offsetable_lo10=unknown
2141 if test "x$gcc_cv_as" != x; then
2142 # Check if assembler has offsetable %lo()
2143 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
2144 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
2145 if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
2147 $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
2148 > /dev/null 2>&1; then
2149 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2150 gcc_cv_as_offsetable_lo10=no
2152 gcc_cv_as_offsetable_lo10=yes
2155 gcc_cv_as_offsetable_lo10=no
2157 rm -f conftest.s conftest.o conftest1.s conftest1.o
2160 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2161 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2162 [Define if your assembler supports offsetable %lo().])
2168 i[34567]86-*-* | x86_64-*-*)
2170 AC_MSG_CHECKING(assembler instructions)
2171 gcc_cv_as_instructions=
2172 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2173 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2174 gcc_cv_as_instructions="filds fists"
2176 elif test x$gcc_cv_as != x; then
2177 set "filds fists" "filds mem; fists mem"
2180 echo "$2" > conftest.s
2181 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2182 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2186 rm -f conftest.s conftest.o
2188 if test x"$gcc_cv_as_instructions" != x; then
2189 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2191 AC_MSG_RESULT($gcc_cv_as_instructions)
2193 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2194 gcc_cv_as_gotoff_in_data=no
2195 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2197 if test "$gcc_cv_gas_major_version" -eq 2 \
2198 -a "$gcc_cv_gas_minor_version" -ge 11 \
2199 -o "$gcc_cv_gas_major_version" -gt 2; then
2200 gcc_cv_as_gotoff_in_data=yes
2202 elif test x$gcc_cv_as != x; then
2203 cat > conftest.s <<EOF
2210 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2211 gcc_cv_as_gotoff_in_data=yes
2214 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2215 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2216 [Define true if the assembler supports '.long foo@GOTOFF'.])
2217 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2221 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2222 gcc_cv_as_dwarf2_debug_line=no
2223 # ??? Not all targets support dwarf2 debug_line, even within a version
2224 # of gas. Moreover, we need to emit a valid instruction to trigger any
2225 # info to the output file. So, as supported targets are added to gas 2.11,
2226 # add some instruction here to (also) show we expect this might work.
2227 # ??? Once 2.11 is released, probably need to add first known working
2228 # version to the per-target configury.
2230 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2231 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*)
2238 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2240 if test "$gcc_cv_gas_major_version" -eq 2 \
2241 -a "$gcc_cv_gas_minor_version" -ge 11 \
2242 -o "$gcc_cv_gas_major_version" -gt 2 \
2243 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2244 && test x"$insn" != x ; then
2245 gcc_cv_as_dwarf2_debug_line="yes"
2247 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2248 echo ' .file 1 "conftest.s"' > conftest.s
2249 echo ' .loc 1 3 0' >> conftest.s
2250 echo " $insn" >> conftest.s
2251 # ??? This fails with non-gnu grep.
2252 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2253 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2254 # The .debug_line file table must be in the exact order that
2255 # we specified the files, since these indices are also used
2256 # by DW_AT_decl_file. Approximate this test by testing if
2257 # the assembler bitches if the same index is assigned twice.
2258 echo ' .file 1 "foo.s"' > conftest.s
2259 echo ' .file 1 "bar.s"' >> conftest.s
2260 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2262 gcc_cv_as_dwarf2_debug_line="no"
2264 gcc_cv_as_dwarf2_debug_line="yes"
2267 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2269 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2270 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2271 [Define if your assembler supports dwarf2 .file/.loc directives,
2272 and preserves file table indices exactly as given.])
2274 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2276 AC_MSG_CHECKING(assembler --gdwarf2 support)
2277 gcc_cv_as_gdwarf2_flag=no
2278 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2280 if test "$gcc_cv_gas_major_version" -eq 2 \
2281 -a "$gcc_cv_gas_minor_version" -ge 11 \
2282 -o "$gcc_cv_gas_major_version" -gt 2 \
2283 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2284 && test x"$insn" != x ; then
2285 gcc_cv_as_gdwarf2_flag="yes"
2287 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2288 echo '' > conftest.s
2289 # ??? This fails with non-gnu grep.
2290 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2292 gcc_cv_as_gdwarf2_flag="yes"
2294 rm -f conftest.s conftest.o
2296 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2297 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2298 [Define if your assembler supports the --gdwarf2 option.])
2300 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2302 AC_MSG_CHECKING(assembler --gstabs support)
2303 gcc_cv_as_gstabs_flag=no
2304 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2306 if test "$gcc_cv_gas_major_version" -eq 2 \
2307 -a "$gcc_cv_gas_minor_version" -ge 11 \
2308 -o "$gcc_cv_gas_major_version" -gt 2 \
2309 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2310 && test x"$insn" != x ; then
2311 gcc_cv_as_gstabs_flag="yes"
2313 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2314 echo '' > conftest.s
2315 # ??? This fails with non-gnu grep.
2316 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2317 gcc_cv_as_gstabs_flag="yes"
2319 rm -f conftest.s conftest.o
2321 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2322 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2323 [Define if your assembler supports the --gstabs option.])
2325 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2327 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2328 gcc_cv_ld_ro_rw_mix=unknown
2329 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2330 if test "$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
2331 gcc_cv_ld_ro_rw_mix=read-write
2333 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2334 echo '.section "myfoosect", "a"' > conftest1.s
2335 echo '.section "myfoosect", "aw"' > conftest2.s
2336 echo '.byte 1' >> conftest2.s
2337 echo '.section "myfoosect", "a"' > conftest3.s
2338 echo '.byte 0' >> conftest3.s
2339 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2340 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2341 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2342 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2343 conftest2.o conftest3.o; then
2344 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2345 | grep -A1 myfoosect`
2346 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2347 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2348 gcc_cv_ld_ro_rw_mix=read-only
2350 gcc_cv_ld_ro_rw_mix=read-write
2355 rm -f conftest.* conftest[123].*
2358 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2359 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2360 [Define if your linker links a mix of read-only
2361 and read-write sections into a read-write section.])
2363 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2365 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2366 gcc_cv_ld_eh_frame_hdr=no
2367 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2368 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
2369 gcc_cv_ld_eh_frame_hdr=yes
2371 elif test x$gcc_cv_ld != x; then
2372 # Check if linker supports --eh-frame-hdr option
2373 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2374 gcc_cv_ld_eh_frame_hdr=yes
2377 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2378 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2379 [Define if your linker supports --eh-frame-hdr option.])
2381 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2383 # Miscellaneous target-specific checks.
2386 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2387 gcc_cv_mips_libgloss_startup=no
2388 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2389 if test "x$exec_prefix" = xNONE; then
2390 if test "x$prefix" = xNONE; then
2391 test_prefix=/usr/local
2396 test_prefix=$exec_prefix
2398 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2400 if grep '^STARTUP' $f > /dev/null 2>&1; then
2401 gcc_cv_mips_libgloss_startup=yes
2405 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2406 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2407 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2409 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2413 if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2414 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2417 # Figure out what language subdirectories are present.
2418 # Look if the user specified --enable-languages="..."; if not, use
2419 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2421 # NB: embedded tabs in this IF block -- do not untabify
2422 if test x"${enable_languages+set}" != xset; then
2423 if test x"${LANGUAGES+set}" = xset; then
2424 enable_languages="${LANGUAGES}"
2425 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2428 enable_languages=all
2431 if test x"${enable_languages}" = x \
2432 || test x"${enable_languages}" = xyes;
2434 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2437 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2439 # First scan to see if an enabled language requires some other language.
2440 # We assume that a given config-lang.in will list all the language
2441 # front ends it requires, even if some are required indirectly.
2442 for lang in ${srcdir}/*/config-lang.in ..
2447 # The odd quoting in the next line works around
2448 # an apparent bug in bash 1.12 on linux.
2450 ${srcdir}/[*]/config-lang.in)
2453 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2454 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2455 for other in $this_lang_requires
2457 case ,${enable_languages}, in
2463 enable_languages="$enable_languages,$other"
2472 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2475 for lang in ${srcdir}/*/config-lang.in ..
2479 # The odd quoting in the next line works around
2480 # an apparent bug in bash 1.12 on linux.
2482 ${srcdir}/[*]/config-lang.in) ;;
2484 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2485 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2486 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2487 if test "x$lang_alias" = x
2489 echo "$lang doesn't set \$language." 1>&2
2492 case ${build_by_default},${enable_languages}, in
2493 *,$lang_alias,*) add_this_lang=yes ;;
2494 no,*) add_this_lang=no ;;
2495 *,all,*) add_this_lang=yes ;;
2496 *) add_this_lang=no ;;
2498 found_languages="${found_languages} ${lang_alias}"
2499 if test x"${add_this_lang}" = xyes; then
2501 ${srcdir}/ada/config-lang.in)
2502 if test x$have_gnat = xyes ; then
2503 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2507 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2517 for expected_language in ${expected_languages} ..
2519 if test "${expected_language}" != ..; then
2520 missing_language="${expected_language}"
2521 if test "${expected_language}" = "c" \
2522 || test "${expected_language}" = "all"; then
2525 for found_language in ${found_languages} ..
2527 if test "${found_language}" != ..; then
2528 if test "${expected_language}" = "${found_language}"; then
2533 if test "x${missing_language}" != x; then
2534 missing_languages="${missing_languages} ${missing_language}"
2539 if test "x$missing_languages" != x; then
2541 The following requested languages were not found:${missing_languages}
2542 The following languages were available: c${found_languages}])
2545 # Make gthr-default.h if we have a thread file.
2547 if test $thread_file != single; then
2548 rm -f gthr-default.h
2549 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2550 gthread_flags=-DHAVE_GTHR_DEFAULT
2552 AC_SUBST(gthread_flags)
2554 # Find out what GC implementation we want, or may, use.
2556 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2563 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2568 echo "Using $GGC for garbage collection."
2570 # Use the system's zlib library.
2572 zlibinc="-I\$(srcdir)/../zlib"
2573 AC_ARG_WITH(system-zlib,
2574 [ --with-system-zlib use installed libz],
2581 dnl Very limited version of automake's enable-maintainer-mode
2583 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2584 dnl maintainer-mode is disabled by default
2585 AC_ARG_ENABLE(maintainer-mode,
2586 [ --enable-maintainer-mode
2587 enable make rules and dependencies not useful
2588 (and sometimes confusing) to the casual installer],
2589 maintainer_mode=$enableval,
2592 AC_MSG_RESULT($maintainer_mode)
2594 if test "$maintainer_mode" = "yes"; then
2601 # Make empty files to contain the specs and options for each language.
2602 # Then add #include lines to for a compiler that has specs and/or options.
2607 for subdir in . $subdirs
2609 if test -f $srcdir/$subdir/lang-specs.h; then
2610 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2612 if test -f $srcdir/$subdir/lang-options.h; then
2613 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2615 if test -f $srcdir/$subdir/$subdir-tree.def; then
2616 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2620 # These (without "all_") are set in each config-lang.in.
2621 # `language' must be a single word so is spelled singularly.
2626 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2627 # List of language makefile fragments.
2629 # Files for gengtype
2630 all_gtfiles="$target_gtfiles"
2631 # Files for gengtype with language
2632 all_gtfiles_files_langs=
2633 all_gtfiles_files_files=
2635 # Add the language fragments.
2636 # Languages are added via two mechanisms. Some information must be
2637 # recorded in makefile variables, these are defined in config-lang.in.
2638 # We accumulate them and plug them into the main Makefile.
2639 # The other mechanism is a set of hooks for each of the main targets
2640 # like `clean', `install', etc.
2642 language_fragments="Make-lang"
2643 language_hooks="Make-hooks"
2645 for s in .. $subdirs
2655 . ${srcdir}/$s/config-lang.in
2656 if test "x$language" = x
2658 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2661 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2662 if test -f ${srcdir}/$s/Makefile.in
2663 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2665 all_languages="$all_languages $language"
2666 if test "x$boot_language" = xyes
2668 all_boot_languages="$all_boot_languages $language"
2670 all_compilers="$all_compilers $compilers"
2671 all_stagestuff="$all_stagestuff $stagestuff"
2672 all_outputs="$all_outputs $outputs"
2673 all_gtfiles="$all_gtfiles $gtfiles"
2674 for f in .. $gtfiles
2678 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2679 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2685 # Pick up gtfiles for c
2688 . ${srcdir}/c-config-lang.in
2689 all_gtfiles="$all_gtfiles $gtfiles"
2690 for f in .. $gtfiles
2694 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2695 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2700 for language in .. $all_languages
2702 if test $language != ".."
2704 check_languages="$check_languages check-$language"
2708 # Since we can't use `::' targets, we link each language in
2709 # with a set of hooks, reached indirectly via lang.${target}.
2713 target_list="all.build all.cross start.encap rest.encap \
2714 info dvi generated-manpages \
2715 install-normal install-common install-info install-man \
2717 mostlyclean clean distclean extraclean maintainer-clean \
2718 stage1 stage2 stage3 stage4"
2719 for t in $target_list
2722 for lang in .. $all_languages
2724 if test $lang != ".."; then
2728 echo "lang.$t: $x" >> Make-hooks
2733 echo "dir ." > .gdbinit
2734 echo "dir ${srcdir}" >> .gdbinit
2735 if test x$gdb_needs_out_file_path = xyes
2737 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2739 if test "x$subdirs" != x; then
2742 echo "dir ${srcdir}/$s" >> .gdbinit
2745 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2747 # Define variables host_canonical and build_canonical
2748 # because some Cygnus local changes in the Makefile depend on them.
2749 build_canonical=${build}
2750 host_canonical=${host}
2752 if test "${host}" != "${target}" ; then
2753 target_subdir=${target_alias}/
2755 AC_SUBST(build_canonical)
2756 AC_SUBST(host_canonical)
2757 AC_SUBST(target_subdir)
2759 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2760 # absolute path for gcc_tooldir based on inserting the number of up-directory
2761 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2762 # $(libsubdir)/@(unlibsubdir) based path.
2763 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2764 # make and thus we'd get different behavior depending on where we built the
2766 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2767 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2769 changequote(<<, >>)dnl
2770 # An explanation of the sed strings:
2771 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2772 # -e 's|/$||' match a trailing forward slash and eliminates it
2773 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2774 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2776 # (*) Note this pattern overwrites the first character of the string
2777 # with a forward slash if one is not already present. This is not a
2778 # problem because the exact names of the sub-directories concerned is
2779 # unimportant, just the number of them matters.
2781 # The practical upshot of these patterns is like this:
2783 # prefix exec_prefix result
2784 # ------ ----------- ------
2786 # /foo/ /foo/bar ../
2787 # /foo /foo/bar/ ../
2788 # /foo/ /foo/bar/ ../
2789 # /foo /foo/bar/ugg ../../
2792 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2793 changequote([, ])dnl
2795 AC_SUBST(gcc_tooldir)
2798 # Find a directory in which to install a shared libgcc.
2800 AC_ARG_ENABLE(version-specific-runtime-libs,
2801 [ --enable-version-specific-runtime-libs
2802 specify that runtime libraries should be
2803 installed in a compiler-specific directory])
2805 AC_ARG_WITH(slibdir,
2806 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2807 slibdir="$with_slibdir",
2808 if test "${enable_version_specific_runtime_libs+set}" = set; then
2809 slibdir='$(libsubdir)'
2810 elif test "$host" != "$target"; then
2811 slibdir='$(build_tooldir)/lib'
2817 objdir=`${PWDCMD-pwd}`
2820 # Process the language and host/target makefile fragments.
2821 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2823 # Substitute configuration variables
2826 AC_SUBST(all_boot_languages)
2827 AC_SUBST(all_compilers)
2828 AC_SUBST(all_gtfiles)
2829 AC_SUBST(all_gtfiles_files_langs)
2830 AC_SUBST(all_gtfiles_files_files)
2831 AC_SUBST(all_lang_makefiles)
2832 AC_SUBST(all_languages)
2833 AC_SUBST(all_stagestuff)
2834 AC_SUBST(build_exeext)
2835 AC_SUBST(build_install_headers_dir)
2836 AC_SUBST(build_xm_file_list)
2837 AC_SUBST(build_xm_file)
2838 AC_SUBST(build_xm_defines)
2839 AC_SUBST(check_languages)
2840 AC_SUBST(cc_set_by_configure)
2841 AC_SUBST(quoted_cc_set_by_configure)
2842 AC_SUBST(cpp_install_dir)
2843 AC_SUBST(dep_host_xmake_file)
2844 AC_SUBST(dep_tmake_file)
2845 AC_SUBST(extra_headers_list)
2846 AC_SUBST(extra_objs)
2847 AC_SUBST(extra_parts)
2848 AC_SUBST(extra_passes)
2849 AC_SUBST(extra_programs)
2850 AC_SUBST(float_h_file)
2851 AC_SUBST(gcc_config_arguments)
2852 AC_SUBST(gcc_gxx_include_dir)
2853 AC_SUBST(libstdcxx_incdir)
2854 AC_SUBST(gcc_version)
2855 AC_SUBST(gcc_version_full)
2856 AC_SUBST(gcc_version_trigger)
2857 AC_SUBST(host_exeext)
2858 AC_SUBST(host_extra_gcc_objs)
2859 AC_SUBST(host_xm_file_list)
2860 AC_SUBST(host_xm_file)
2861 AC_SUBST(host_xm_defines)
2862 AC_SUBST(out_host_hook_obj)
2864 AC_SUBST(lang_options_files)
2865 AC_SUBST(lang_specs_files)
2866 AC_SUBST(lang_tree_files)
2867 AC_SUBST(local_prefix)
2869 AC_SUBST(objc_boehm_gc)
2871 AC_SUBST(out_object_file)
2872 AC_SUBST(stage_prefix_set_by_configure)
2873 AC_SUBST(quoted_stage_prefix_set_by_configure)
2874 AC_SUBST(symbolic_link)
2875 AC_SUBST(thread_file)
2876 AC_SUBST(tm_file_list)
2878 AC_SUBST(tm_defines)
2879 AC_SUBST(tm_p_file_list)
2882 AC_SUBST(xm_defines)
2883 AC_SUBST(target_alias)
2884 AC_SUBST(c_target_objs)
2885 AC_SUBST(cxx_target_objs)
2886 AC_SUBST(target_cpu_default)
2888 AC_SUBST_FILE(target_overrides)
2889 AC_SUBST_FILE(host_overrides)
2890 AC_SUBST_FILE(language_fragments)
2891 AC_SUBST_FILE(language_hooks)
2893 # Echo that links are built
2894 if test x$host = x$target
2902 if test x$host != x$build
2904 str3=" on a $build system"
2907 if test "x$str2" != x || test "x$str3" != x
2912 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2914 if test "x$str2" != x || test "x$str3" != x
2916 echo " ${str2}${str3}." 1>&2
2919 # Truncate the target if necessary
2920 if test x$host_truncate_target != x; then
2921 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2924 # Configure the subdirectories
2925 # AC_CONFIG_SUBDIRS($subdirs)
2927 # Create the Makefile
2928 # and configure language subdirectories
2929 AC_OUTPUT($all_outputs,
2931 case x$CONFIG_HEADERS in
2932 xauto-host.h:config.in)
2935 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2936 # bootstrapping and the installation procedure can still use
2937 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2938 # FLAGS_TO_PASS has been modified to solve the problem there.
2939 # This is virtually a duplicate of what happens in configure.lang; we do
2940 # an extra check to make sure this only happens if ln -s can be used.
2941 if test "$symbolic_link" = "ln -s"; then
2942 for d in .. ${subdirs} fixinc ; do
2943 if test $d != ..; then
2944 STARTDIR=`${PWDCMD-pwd}`
2946 for t in stage1 stage2 stage3 stage4 include
2949 $symbolic_link ../$t $t 2>/dev/null
2955 # Avoid having to add intl to our include paths.
2956 if test -f intl/libintl.h; then
2957 echo creating libintl.h
2958 echo '#include "intl/libintl.h"' >libintl.h
2962 symbolic_link='$symbolic_link'