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"
960 if test "$host_xm_file" != "$build_xm_file"; then
962 for f in $build_xm_file; do
965 if test $count = a; then
967 elif test $count = ax; then
968 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
970 echo "Using the following build machine macro files:"
971 for f in $build_xm_file; do
972 echo " $srcdir/config/$f"
977 if test x$thread_file = x; then
978 if test x$target_thread_file != x; then
979 thread_file=$target_thread_file
985 # Look for a file containing extra machine modes.
986 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
987 extra_modes_file='$(srcdir)'/config/${extra_modes}
988 AC_SUBST(extra_modes_file)
989 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
990 [Define to the name of a file containing a list of extra machine modes
991 for this architecture.])
992 AC_DEFINE(EXTRA_CC_MODES, 1,
993 [Define if the target architecture needs extra machine modes to represent
994 the results of comparisons.])
997 # auto-host.h is the file containing items generated by autoconf and is
998 # the first file included by config.h.
999 # If host=build, it is correct to have bconfig include auto-host.h
1000 # as well. If host!=build, we are in error and need to do more
1001 # work to find out the build config parameters.
1002 if test x$host = x$build
1004 build_auto=auto-host.h
1007 # We create a subdir, then run autoconf in the subdir.
1008 # To prevent recursion we set host and build for the new
1009 # invocation of configure to the build for this invocation
1016 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
1017 *) realsrcdir=../${srcdir};;
1019 saved_CFLAGS="${CFLAGS}"
1020 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
1021 ${realsrcdir}/configure \
1022 --target=$target_alias --host=$build_alias --build=$build_alias
1023 CFLAGS="${saved_CFLAGS}"
1025 # We just finished tests for the build machine, so rename
1026 # the file auto-build.h in the gcc directory.
1027 mv auto-host.h ../auto-build.h
1030 build_auto=auto-build.h
1031 FORBUILD=../build-$build_alias
1035 tm_file="${tm_file} defaults.h"
1036 tm_p_file="${tm_p_file} tm-preds.h"
1037 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1038 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1039 # We don't want ansidecl.h in target files, write code there in ISO/GNU C.
1040 # put this back in temporarily.
1041 xm_file="ansidecl.h ${xm_file}"
1043 # Truncate the target if necessary
1044 if test x$host_truncate_target != x; then
1045 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
1048 # Get the version trigger filename from the toplevel
1049 if test "${with_gcc_version_trigger+set}" = set; then
1050 gcc_version_trigger=$with_gcc_version_trigger
1052 gcc_version_trigger=${srcdir}/version.c
1055 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1056 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1058 # Compile in configure arguments.
1059 if test -f configargs.h ; then
1060 # Being re-configured.
1061 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1062 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1064 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1066 cat > configargs.h <<EOF
1067 /* Generated automatically. */
1068 static const char configuration_arguments[] = "$gcc_config_arguments";
1069 static const char thread_model[] = "$thread_file";
1073 # Internationalization
1075 VERSION="$gcc_version"
1079 # Enable NLS support by default
1081 [ --enable-nls use Native Language Support (default)],
1084 # if cross compiling, disable NLS support.
1085 # It's not worth the trouble, at least for now.
1087 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
1088 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
1094 # Windows32 Registry support for specifying GCC installation paths.
1095 AC_ARG_ENABLE(win32-registry,
1096 [ --disable-win32-registry
1097 disable lookup of installation paths in the
1098 Registry on Windows hosts
1099 --enable-win32-registry enable registry lookup (default)
1100 --enable-win32-registry=KEY
1101 use KEY instead of GCC version as the last portion
1102 of the registry key],,)
1104 win32 | pe | cygwin* | mingw32* | uwin*)
1105 AC_MSG_CHECKING(whether windows registry support is requested)
1106 if test "x$enable_win32_registry" != xno; then
1107 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1108 [Define to 1 if installation paths should be looked up in Windows32
1109 Registry. Ignored on non windows32 hosts.])
1111 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1116 # Check if user specified a different registry key.
1117 case "x${enable_win32_registry}" in
1120 gcc_cv_win32_registry_key="$VERSION"
1123 # no registry lookup.
1124 gcc_cv_win32_registry_key=''
1127 # user-specified key.
1128 gcc_cv_win32_registry_key="$enable_win32_registry"
1132 if test "x$enable_win32_registry" != xno; then
1133 AC_MSG_CHECKING(registry key on windows hosts)
1134 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1135 [Define to be the last portion of registry key on windows hosts.])
1136 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1141 # Get an absolute path to the GCC top-level source directory
1142 holddir=`${PWDCMD-pwd}`
1144 topdir=`${PWDCMD-pwd}`
1147 # Conditionalize the makefile for this host machine.
1148 # Make-host contains the concatenation of all host makefile fragments
1149 # [there can be more than one]. This file is built by configure.frag.
1150 host_overrides=Make-host
1151 dep_host_xmake_file=
1152 for f in .. ${host_xmake_file}
1154 if test -f ${srcdir}/config/$f
1156 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1160 # Conditionalize the makefile for this target machine.
1161 # Make-target contains the concatenation of all host makefile fragments
1162 # [there can be more than one]. This file is built by configure.frag.
1163 target_overrides=Make-target
1165 for f in .. ${tmake_file}
1167 if test -f ${srcdir}/config/$f
1169 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1173 # If the host doesn't support symlinks, modify CC in
1174 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1175 # Otherwise, we can use "CC=$(CC)".
1177 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1179 cc_set_by_configure="\$(CC)"
1180 quoted_cc_set_by_configure="\$(CC)"
1181 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1182 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1185 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1187 symbolic_link="cp -p"
1191 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1192 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1193 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1194 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1198 out_object_file=`basename $out_file .c`.o
1201 for f in $tm_file; do
1204 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1206 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1207 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1212 for f in $tm_p_file; do
1215 tm_p_file_list="${tm_p_file_list} $f" ;;
1216 *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;;
1221 for f in $host_xm_file; do
1224 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1226 host_xm_file_list="${host_xm_file_list} $f" ;;
1228 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1229 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1234 for f in $build_xm_file; do
1237 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1238 auto-build.h | auto-host.h )
1239 build_xm_file_list="${build_xm_file_list} $f" ;;
1241 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1242 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1246 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1247 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1248 CROSS= AC_SUBST(CROSS)
1249 ALL=all.internal AC_SUBST(ALL)
1250 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1251 if test x$host != x$target
1253 CROSS="-DCROSS_COMPILE"
1255 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1256 case "$host","$target" in
1257 i?86-*-*,x86_64-*-* \
1258 | powerpc*-*-*,powerpc64*-*-*)
1259 CROSS="$CROSS -DNATIVE_CROSS" ;;
1263 # If this is a cross-compiler that does not
1264 # have its own set of headers then define
1267 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1268 # This prevents libgcc2 from containing any code which requires libc
1271 if { test x$host != x$target && test "x$with_headers" = x &&
1272 test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then
1273 inhibit_libc=-Dinhibit_libc
1275 AC_SUBST(inhibit_libc)
1277 # When building gcc with a cross-compiler, we need to adjust things so
1278 # that the generator programs are still built with the native compiler.
1279 # Also, we cannot run fixincludes or fix-header.
1281 # These are the normal (build=host) settings:
1282 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1283 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1284 BUILD_CC='$(CC)' AC_SUBST(BUILD_CC)
1285 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1287 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1288 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1290 # And these apply if build != host.
1291 if test x$build != x$host
1294 BUILD_PREFIX_1=build-
1295 BUILD_CC='$(CC_FOR_BUILD)'
1296 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1302 # Expand extra_headers to include complete path.
1303 # This substitutes for lots of t-* files.
1305 if test "x$extra_headers" = x
1308 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1309 for file in $extra_headers;
1311 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1315 if test x$use_collect2 = xno; then
1319 # Add a definition of USE_COLLECT2 if system wants one.
1320 if test x$use_collect2 != x
1322 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1323 xm_defines="${xm_defines} USE_COLLECT2"
1326 # If we have gas in the build tree, make a link to it.
1327 if test -f ../gas/Makefile; then
1328 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1331 # If we have nm and objdump in the build tree, make a link to them.
1332 if test -f ../binutils/Makefile; then
1333 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1334 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1337 # If we have ld in the build tree, make a link to it.
1338 if test -f ../ld/Makefile; then
1339 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1342 # Figure out what assembler we will be using.
1343 AC_MSG_CHECKING(what assembler to use)
1345 gcc_cv_gas_major_version=
1346 gcc_cv_gas_minor_version=
1347 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1348 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1349 if test -x "$DEFAULT_ASSEMBLER"; then
1350 gcc_cv_as="$DEFAULT_ASSEMBLER"
1351 elif test -x "$AS"; then
1353 elif test -x as$host_exeext; then
1354 # Build using assembler in the current directory.
1355 gcc_cv_as=./as$host_exeext
1356 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1357 # Single tree build which includes gas.
1358 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
1361 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1363 if test x$gcc_cv_gas_version != x; then
1368 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1369 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1370 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1374 if test "x$gcc_cv_as" = x; then
1375 # Search the same directories that the installed compiler will
1376 # search. Else we may find the wrong assembler and lose. If we
1377 # do not find a suitable assembler binary, then try the user's
1380 # Also note we have to check MD_EXEC_PREFIX before checking the
1381 # user's path. Unfortunately, there is no good way to get at the
1382 # value of MD_EXEC_PREFIX here. So we do a brute force search
1383 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1384 # to be fixed as part of the make/configure rewrite too.
1386 if test "x$exec_prefix" = xNONE; then
1387 if test "x$prefix" = xNONE; then
1388 test_prefix=/usr/local
1393 test_prefix=$exec_prefix
1396 # If the loop below does not find an assembler, then use whatever
1397 # one we can find in the users's path.
1399 if test "x$program_prefix" != xNONE; then
1400 gcc_cv_as=${program_prefix}as$host_exeext
1402 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1405 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1406 $test_prefix/lib/gcc-lib/$target_alias \
1407 /usr/lib/gcc/$target_alias/$gcc_version \
1408 /usr/lib/gcc/$target_alias \
1409 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1410 $test_prefix/$target_alias/bin"
1412 if test x$host = x$target; then
1413 test_dirs="$test_dirs \
1418 /bsd43/usr/lib/cmplrs/cc \
1419 /usr/cross64/usr/bin \
1420 /usr/lib/cmplrs/cc \
1421 /sysv/usr/lib/cmplrs/cc \
1422 /svr4/usr/lib/cmplrs/cc \
1426 for dir in $test_dirs; do
1427 if test -x $dir/as$host_exeext; then
1428 gcc_cv_as=$dir/as$host_exeext
1433 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1434 AC_MSG_RESULT("newly built gas")
1436 AC_MSG_RESULT($gcc_cv_as)
1439 # Figure out what linker we will be using.
1440 AC_MSG_CHECKING(what linker to use)
1442 gcc_cv_gld_major_version=
1443 gcc_cv_gld_minor_version=
1444 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1445 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1446 if test -x "$DEFAULT_LINKER"; then
1447 gcc_cv_ld="$DEFAULT_LINKER"
1448 elif test -x "$LD"; then
1450 elif test -x ld$host_exeext; then
1451 # Build using linker in the current directory.
1452 gcc_cv_ld=./ld$host_exeext
1453 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1454 # Single tree build which includes ld.
1455 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
1458 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1460 if test x$gcc_cv_gld_version != x; then
1465 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1466 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1470 if test "x$gcc_cv_ld" = x; then
1471 # Search the same directories that the installed compiler will
1472 # search. Else we may find the wrong linker and lose. If we
1473 # do not find a suitable linker binary, then try the user's
1476 # Also note we have to check MD_EXEC_PREFIX before checking the
1477 # user's path. Unfortunately, there is no good way to get at the
1478 # value of MD_EXEC_PREFIX here. So we do a brute force search
1479 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1480 # to be fixed as part of the make/configure rewrite too.
1482 if test "x$exec_prefix" = xNONE; then
1483 if test "x$prefix" = xNONE; then
1484 test_prefix=/usr/local
1489 test_prefix=$exec_prefix
1492 # If the loop below does not find an linker, then use whatever
1493 # one we can find in the users's path.
1495 if test "x$program_prefix" != xNONE; then
1496 gcc_cv_ld=${program_prefix}ld$host_exeext
1498 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1501 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1502 $test_prefix/lib/gcc-lib/$target_alias \
1503 /usr/lib/gcc/$target_alias/$gcc_version \
1504 /usr/lib/gcc/$target_alias \
1505 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1506 $test_prefix/$target_alias/bin"
1508 if test x$host = x$target; then
1509 test_dirs="$test_dirs \
1514 /bsd43/usr/lib/cmplrs/cc \
1515 /usr/cross64/usr/bin \
1516 /usr/lib/cmplrs/cc \
1517 /sysv/usr/lib/cmplrs/cc \
1518 /svr4/usr/lib/cmplrs/cc \
1522 for dir in $test_dirs; do
1523 if test -x $dir/ld$host_exeext; then
1524 gcc_cv_ld=$dir/ld$host_exeext
1529 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1530 AC_MSG_RESULT("newly built ld")
1532 AC_MSG_RESULT($gcc_cv_ld)
1535 # Figure out what nm we will be using.
1536 AC_MSG_CHECKING(what nm to use)
1537 if test -x nm$host_exeext; then
1538 gcc_cv_nm=./nm$host_exeext
1539 elif test "x$program_prefix" != xNONE; then
1540 gcc_cv_nm=${program_prefix}nm$host_exeext
1542 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1544 AC_MSG_RESULT($gcc_cv_nm)
1546 # Figure out what objdump we will be using.
1547 AC_MSG_CHECKING(what objdump to use)
1548 if test -x objdump$host_exeext; then
1549 gcc_cv_objdump=./objdump$host_exeext
1550 elif test "x$program_prefix" != xNONE; then
1551 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1553 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1555 AC_MSG_RESULT($gcc_cv_objdump)
1557 # Figure out what assembler alignment features are present.
1558 AC_MSG_CHECKING(assembler alignment features)
1559 gcc_cv_as_alignment_features=none
1560 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1561 # Gas version 2.6 and later support for .balign and .p2align.
1562 # bytes to skip when using .p2align.
1563 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1564 gcc_cv_as_alignment_features=".balign and .p2align"
1565 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1567 # Gas version 2.8 and later support specifying the maximum
1568 # bytes to skip when using .p2align.
1569 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1570 gcc_cv_as_alignment_features=".p2align including maximum skip"
1571 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1573 elif test x$gcc_cv_as != x; then
1574 # Check if we have .balign and .p2align
1575 echo ".balign 4" > conftest.s
1576 echo ".p2align 2" >> conftest.s
1577 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1578 gcc_cv_as_alignment_features=".balign and .p2align"
1579 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1581 rm -f conftest.s conftest.o
1582 # Check if specifying the maximum bytes to skip when
1583 # using .p2align is supported.
1584 echo ".p2align 4,,7" > conftest.s
1585 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1586 gcc_cv_as_alignment_features=".p2align including maximum skip"
1587 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1589 rm -f conftest.s conftest.o
1591 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1593 AC_MSG_CHECKING(assembler subsection support)
1594 gcc_cv_as_subsections=no
1595 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1596 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1597 gcc_cv_as_subsections="working .subsection -1"
1599 elif test x$gcc_cv_as != x; then
1600 # Check if we have .subsection
1601 echo ".subsection 1" > conftest.s
1602 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1603 gcc_cv_as_subsections=".subsection"
1604 if test x$gcc_cv_nm != x; then
1605 cat > conftest.s <<EOF
1606 conftest_label1: .word 0
1608 conftest_label2: .word 0
1611 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1612 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1613 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1614 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1617 gcc_cv_as_subsections="working .subsection -1"
1622 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1624 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1625 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1626 [Define if your assembler supports .subsection and .subsection -1 starts
1627 emitting at the beginning of your section.])
1629 AC_MSG_RESULT($gcc_cv_as_subsections)
1631 AC_MSG_CHECKING(assembler weak support)
1633 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1634 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1635 gcc_cv_as_weak="yes"
1637 elif test x$gcc_cv_as != x; then
1638 # Check if we have .weak
1639 echo " .weak foobar" > conftest.s
1640 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1641 gcc_cv_as_weak="yes"
1643 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1645 if test x"$gcc_cv_as_weak" = xyes; then
1646 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1648 AC_MSG_RESULT($gcc_cv_as_weak)
1650 AC_MSG_CHECKING(assembler hidden support)
1652 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1653 if test "$gcc_cv_gas_major_version" -eq 2 \
1654 -a "$gcc_cv_gas_minor_version" -eq 12 \
1655 -a "$gcc_cv_gas_patch_version" -ge 1 \
1656 -o "$gcc_cv_gas_major_version" -eq 2 \
1657 -a "$gcc_cv_gas_minor_version" -gt 12 \
1658 -o "$gcc_cv_gas_major_version" -gt 2 \
1659 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1660 gcc_cv_as_hidden="yes"
1662 elif test x$gcc_cv_as != x; then
1663 # Check if we have .hidden
1664 echo " .hidden foobar" > conftest.s
1665 echo "foobar:" >> conftest.s
1666 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1667 gcc_cv_as_hidden="yes"
1669 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1671 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1672 # This is irritatingly difficult to feature test for. Look for
1673 # the date string after the version number.
1674 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1675 if echo "$ld_ver" | grep GNU > /dev/null; then
1677 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1678 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1679 if test 0"$ld_date" -lt 20020404; then
1680 if test -n "$ld_date"; then
1681 # If there was date string, but was earlier than 2002-04-04, fail
1682 gcc_cv_as_hidden="no"
1683 elif test -z "$ld_vers"; then
1684 # If there was no date string nor ld version number, something is wrong
1685 gcc_cv_as_hidden="no"
1687 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1688 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1689 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1690 test -z "$ld_vers_patch" && ld_vers_patch=0
1691 if test "$ld_vers_major" -lt 2; then
1692 gcc_cv_as_hidden="no"
1693 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1694 gcc_cv_as_hidden="no"
1695 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1696 -a "$ld_vers_patch" -eq 0; then
1697 gcc_cv_as_hidden="no"
1704 if test x"$gcc_cv_as_hidden" = xyes; then
1705 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1706 [Define if your assembler supports .hidden.])
1708 AC_MSG_RESULT($gcc_cv_as_hidden)
1709 libgcc_visibility=$gcc_cv_as_hidden
1712 if test x"$gnu_ld_flag" = x"no"; then
1713 # Even if using gas with .hidden support, the resulting object files
1714 # cannot be linked with the IRIX 6 O32 linker. With the N32 and
1715 # N64 linkers, the problem is that the linker refuses to accept
1716 # -call_shared (passed by default to the linker) and -r (used to
1717 # link the object file generated without .hidden directives with
1718 # one that hides symbols), so we also lose.
1719 libgcc_visibility=no
1723 AC_SUBST(libgcc_visibility)
1725 AC_MSG_CHECKING(assembler leb128 support)
1727 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1728 if test "$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
1729 gcc_cv_as_leb128="yes"
1731 elif test x$gcc_cv_as != x; then
1732 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1733 cat > conftest.s <<EOF
1741 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1742 gcc_cv_as_leb128="yes"
1744 # GAS versions before 2.11 do not support uleb128,
1745 # despite appearing to.
1746 # ??? There exists an elf-specific test that will crash
1747 # the assembler. Perhaps it's better to figure out whether
1748 # arbitrary sections are supported and try the test.
1749 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1750 if echo "$as_ver" | grep GNU > /dev/null; then
1752 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1753 as_major=`echo $as_ver | sed 's/\..*//'`
1754 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1756 if test $as_major -eq 2 -a $as_minor -lt 11; then
1757 gcc_cv_as_leb128="no"
1761 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1763 if test x"$gcc_cv_as_leb128" = xyes; then
1764 AC_DEFINE(HAVE_AS_LEB128, 1,
1765 [Define if your assembler supports .uleb128.])
1767 AC_MSG_RESULT($gcc_cv_as_leb128)
1769 AC_MSG_CHECKING(assembler eh_frame optimization)
1770 gcc_cv_as_eh_frame=no
1771 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1772 if test "$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
1773 gcc_cv_as_eh_frame="yes"
1775 elif test x$gcc_cv_as != x; then
1776 # Check if this is GAS.
1777 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1778 rm -f a.out 2> /dev/null
1779 if echo "$as_ver" | grep GNU > /dev/null; then
1780 # Versions up to and including 2.11.0 may mis-optimize
1781 # .eh_frame data. Try something.
1782 cat > conftest.s <<EOF
1789 .section .eh_frame,"aw",@progbits
1791 .4byte .LECIE1-.LSCIE1
1805 .4byte .LEFDE1-.LASFDE1
1807 .4byte .LASFDE1-__FRAME_BEGIN__
1816 cat > conftest.lit <<EOF
1817 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1818 0010 01000000 12000000 18000000 00000000 ................
1819 0020 08000000 04080000 0044 .........D
1821 cat > conftest.big <<EOF
1822 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1823 0010 00000001 00000012 00000018 00000000 ................
1824 0020 00000008 04000000 0844 .........D
1826 # If the assembler didn't choke, and we can objdump,
1827 # and we got the correct data, then succeed.
1828 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1829 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1830 | tail -3 > conftest.got \
1831 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1832 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1834 gcc_cv_as_eh_frame="yes"
1836 gcc_cv_as_eh_frame="bad"
1837 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1838 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1839 [Define if your assembler mis-optimizes .eh_frame data.])
1845 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1847 AC_MSG_CHECKING(assembler section merging support)
1848 gcc_cv_as_shf_merge=no
1849 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1850 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1851 gcc_cv_as_shf_merge=yes
1853 elif test x$gcc_cv_as != x; then
1854 # Check if we support SHF_MERGE sections
1855 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1856 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1857 gcc_cv_as_shf_merge=yes
1859 rm -f conftest.s conftest.o
1861 if test x"$gcc_cv_as_shf_merge" = xyes; then
1862 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1863 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1865 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1867 AC_MSG_CHECKING(assembler thread-local storage support)
1876 .section ".tdata","awT",@progbits
1879 ldq $27,__tls_get_addr($29) !literal!1
1880 lda $16,foo($29) !tlsgd!1
1881 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1882 ldq $27,__tls_get_addr($29) !literal!2
1883 lda $16,foo($29) !tlsldm!2
1884 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1885 ldq $1,foo($29) !gotdtprel
1886 ldah $2,foo($29) !dtprelhi
1887 lda $3,foo($2) !dtprello
1888 lda $4,foo($29) !dtprel
1889 ldq $1,foo($29) !gottprel
1890 ldah $2,foo($29) !tprelhi
1891 lda $3,foo($2) !tprello
1892 lda $4,foo($29) !tprel'
1899 .section ".tdata","awT",@progbits
1903 leal foo@TLSGD(,%ebx,1), %eax
1904 leal foo@TLSLDM(%ebx), %eax
1905 leal foo@DTPOFF(%eax), %edx
1906 movl foo@GOTTPOFF(%ebx), %eax
1907 subl foo@GOTTPOFF(%ebx), %eax
1908 addl foo@GOTNTPOFF(%ebx), %eax
1909 movl foo@INDNTPOFF, %eax
1910 movl $foo@TPOFF, %eax
1911 subl $foo@TPOFF, %eax
1912 leal foo@NTPOFF(%ecx), %eax'
1918 .section ".tdata","awT",@progbits
1922 leaq foo@TLSGD(%rip), %rdi
1923 leaq foo@TLSLD(%rip), %rdi
1924 leaq foo@DTPOFF(%rax), %rdx
1925 movq foo@GOTTPOFF(%rip), %rax
1926 movq $foo@TPOFF, %rax'
1932 .section ".tdata","awT",@progbits
1935 addl r16 = @ltoff(@dtpmod(foo#)), gp
1936 addl r17 = @ltoff(@dtprel(foo#)), gp
1937 addl r18 = @ltoff(@tprel(foo#)), gp
1938 addl r19 = @dtprel(foo#), gp
1939 adds r21 = @dtprel(foo#), r13
1940 movl r23 = @dtprel(foo#)
1941 addl r20 = @tprel(foo#), gp
1942 adds r22 = @tprel(foo#), r13
1943 movl r24 = @tprel(foo#)'
1949 .section ".tdata","awT",@progbits
1958 l %r1,foo@GOTNTPOFF(%r12)
1959 l %r1,0(%r1):tls_load:foo
1960 bas %r14,0(%r1,%r13):tls_gdcall:foo
1961 bas %r14,0(%r1,%r13):tls_ldcall:foo'
1967 .section ".tdata","awT",@progbits
1975 lg %r1,foo@GOTNTPOFF(%r12)
1976 larl %r1,foo@INDNTPOFF
1977 brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
1978 brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
1983 if test -z "$tls_first_major"; then
1985 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1987 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1988 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1989 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1992 elif test x$gcc_cv_as != x; then
1993 echo "$conftest_s" > conftest.s
1994 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1998 rm -f conftest.s conftest.o
2000 if test "$gcc_cv_as_tls" = yes; then
2001 AC_DEFINE(HAVE_AS_TLS, 1,
2002 [Define if your assembler supports thread-local storage.])
2004 AC_MSG_RESULT($gcc_cv_as_tls)
2007 # All TARGET_ABI_OSF targets.
2008 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
2009 AC_CACHE_CHECK([assembler supports explicit relocations],
2010 gcc_cv_as_explicit_relocs, [
2011 gcc_cv_as_explicit_relocs=unknown
2012 if test x$gcc_cv_gas_major_version != x \
2013 -a x$gcc_cv_gas_minor_version != x
2015 if test "$gcc_cv_gas_major_version" -eq 2 \
2016 -a "$gcc_cv_gas_minor_version" -ge 12 \
2017 -o "$gcc_cv_gas_major_version" -gt 2; then
2018 gcc_cv_as_explicit_relocs=yes
2020 elif test x$gcc_cv_as != x; then
2021 cat > conftest.s << 'EOF'
2024 extbl $3, $2, $3 !lituse_bytoff!1
2025 ldq $2, a($29) !literal!1
2026 ldq $4, b($29) !literal!2
2027 ldq_u $3, 0($2) !lituse_base!1
2028 ldq $27, f($29) !literal!5
2029 jsr $26, ($27), f !lituse_jsr!5
2030 ldah $29, 0($26) !gpdisp!3
2031 lda $0, c($29) !gprel
2032 ldah $1, d($29) !gprelhigh
2033 lda $1, d($1) !gprellow
2034 lda $29, 0($29) !gpdisp!3
2036 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2037 gcc_cv_as_explicit_relocs=yes
2039 gcc_cv_as_explicit_relocs=no
2041 rm -f conftest.s conftest.o
2044 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
2045 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2046 [Define if your assembler supports explicit relocations.])
2050 AC_CACHE_CHECK([assembler .register pseudo-op support],
2051 gcc_cv_as_register_pseudo_op, [
2052 gcc_cv_as_register_pseudo_op=unknown
2053 if test x$gcc_cv_as != x; then
2054 # Check if we have .register
2055 echo ".register %g2, #scratch" > conftest.s
2056 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2057 gcc_cv_as_register_pseudo_op=yes
2059 gcc_cv_as_register_pseudo_op=no
2061 rm -f conftest.s conftest.o
2064 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
2065 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2066 [Define if your assembler supports .register.])
2069 AC_CACHE_CHECK([assembler supports -relax],
2070 gcc_cv_as_relax_opt, [
2071 gcc_cv_as_relax_opt=unknown
2072 if test x$gcc_cv_as != x; then
2073 # Check if gas supports -relax
2074 echo ".text" > conftest.s
2075 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
2076 gcc_cv_as_relax_opt=yes
2078 gcc_cv_as_relax_opt=no
2080 rm -f conftest.s conftest.o
2083 if test "x$gcc_cv_as_relax_opt" = xyes; then
2084 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2085 [Define if your assembler supports -relax option.])
2088 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
2089 gcc_cv_as_sparc_ua_pcrel, [
2090 gcc_cv_as_sparc_ua_pcrel=unknown
2091 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
2092 gcc_cv_as_sparc_ua_pcrel=no
2093 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
2094 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2095 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2096 gcc_cv_as_sparc_ua_pcrel=yes
2098 rm -f conftest.s conftest.o conftest
2101 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2102 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2103 [Define if your assembler and linker support unaligned PC relative relocs.])
2106 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
2107 gcc_cv_as_sparc_ua_pcrel_hidden, [
2108 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2109 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
2110 if test x$gcc_cv_objdump != x; then
2111 gcc_cv_as_sparc_ua_pcrel_hidden=no
2112 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
2113 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
2114 echo "foo: .skip 4" >> conftest.s
2115 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2116 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2117 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2118 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2119 if $gcc_cv_objdump -R conftest 2> /dev/null \
2120 | grep 'DISP32' > /dev/null 2>&1; then
2123 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2127 rm -f conftest.s conftest.o conftest
2129 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
2132 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
2133 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2134 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
2137 AC_CACHE_CHECK([for assembler offsetable %lo() support],
2138 gcc_cv_as_offsetable_lo10, [
2139 gcc_cv_as_offsetable_lo10=unknown
2140 if test "x$gcc_cv_as" != x; then
2141 # Check if assembler has offsetable %lo()
2142 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
2143 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
2144 if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
2146 $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
2147 > /dev/null 2>&1; then
2148 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2149 gcc_cv_as_offsetable_lo10=no
2151 gcc_cv_as_offsetable_lo10=yes
2154 gcc_cv_as_offsetable_lo10=no
2156 rm -f conftest.s conftest.o conftest1.s conftest1.o
2159 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2160 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2161 [Define if your assembler supports offsetable %lo().])
2167 i[34567]86-*-* | x86_64-*-*)
2169 AC_MSG_CHECKING(assembler instructions)
2170 gcc_cv_as_instructions=
2171 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2172 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2173 gcc_cv_as_instructions="filds fists"
2175 elif test x$gcc_cv_as != x; then
2176 set "filds fists" "filds mem; fists mem"
2179 echo "$2" > conftest.s
2180 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2181 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2185 rm -f conftest.s conftest.o
2187 if test x"$gcc_cv_as_instructions" != x; then
2188 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2190 AC_MSG_RESULT($gcc_cv_as_instructions)
2192 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2193 gcc_cv_as_gotoff_in_data=no
2194 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2196 if test "$gcc_cv_gas_major_version" -eq 2 \
2197 -a "$gcc_cv_gas_minor_version" -ge 11 \
2198 -o "$gcc_cv_gas_major_version" -gt 2; then
2199 gcc_cv_as_gotoff_in_data=yes
2201 elif test x$gcc_cv_as != x; then
2202 cat > conftest.s <<EOF
2209 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2210 gcc_cv_as_gotoff_in_data=yes
2213 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2214 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2215 [Define true if the assembler supports '.long foo@GOTOFF'.])
2216 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2220 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2221 gcc_cv_as_dwarf2_debug_line=no
2222 # ??? Not all targets support dwarf2 debug_line, even within a version
2223 # of gas. Moreover, we need to emit a valid instruction to trigger any
2224 # info to the output file. So, as supported targets are added to gas 2.11,
2225 # add some instruction here to (also) show we expect this might work.
2226 # ??? Once 2.11 is released, probably need to add first known working
2227 # version to the per-target configury.
2229 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2230 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*)
2237 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2239 if test "$gcc_cv_gas_major_version" -eq 2 \
2240 -a "$gcc_cv_gas_minor_version" -ge 11 \
2241 -o "$gcc_cv_gas_major_version" -gt 2 \
2242 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2243 && test x"$insn" != x ; then
2244 gcc_cv_as_dwarf2_debug_line="yes"
2246 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2247 echo ' .file 1 "conftest.s"' > conftest.s
2248 echo ' .loc 1 3 0' >> conftest.s
2249 echo " $insn" >> conftest.s
2250 # ??? This fails with non-gnu grep.
2251 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2252 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2253 # The .debug_line file table must be in the exact order that
2254 # we specified the files, since these indices are also used
2255 # by DW_AT_decl_file. Approximate this test by testing if
2256 # the assembler bitches if the same index is assigned twice.
2257 echo ' .file 1 "foo.s"' > conftest.s
2258 echo ' .file 1 "bar.s"' >> conftest.s
2259 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2261 gcc_cv_as_dwarf2_debug_line="no"
2263 gcc_cv_as_dwarf2_debug_line="yes"
2266 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2268 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2269 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2270 [Define if your assembler supports dwarf2 .file/.loc directives,
2271 and preserves file table indices exactly as given.])
2273 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2275 AC_MSG_CHECKING(assembler --gdwarf2 support)
2276 gcc_cv_as_gdwarf2_flag=no
2277 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2279 if test "$gcc_cv_gas_major_version" -eq 2 \
2280 -a "$gcc_cv_gas_minor_version" -ge 11 \
2281 -o "$gcc_cv_gas_major_version" -gt 2 \
2282 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2283 && test x"$insn" != x ; then
2284 gcc_cv_as_gdwarf2_flag="yes"
2286 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2287 echo '' > conftest.s
2288 # ??? This fails with non-gnu grep.
2289 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2291 gcc_cv_as_gdwarf2_flag="yes"
2293 rm -f conftest.s conftest.o
2295 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2296 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2297 [Define if your assembler supports the --gdwarf2 option.])
2299 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2301 AC_MSG_CHECKING(assembler --gstabs support)
2302 gcc_cv_as_gstabs_flag=no
2303 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2305 if test "$gcc_cv_gas_major_version" -eq 2 \
2306 -a "$gcc_cv_gas_minor_version" -ge 11 \
2307 -o "$gcc_cv_gas_major_version" -gt 2 \
2308 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2309 && test x"$insn" != x ; then
2310 gcc_cv_as_gstabs_flag="yes"
2312 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2313 echo '' > conftest.s
2314 # ??? This fails with non-gnu grep.
2315 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2316 gcc_cv_as_gstabs_flag="yes"
2318 rm -f conftest.s conftest.o
2320 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2321 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2322 [Define if your assembler supports the --gstabs option.])
2324 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2326 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2327 gcc_cv_ld_ro_rw_mix=unknown
2328 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2329 if test "$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
2330 gcc_cv_ld_ro_rw_mix=read-write
2332 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2333 echo '.section "myfoosect", "a"' > conftest1.s
2334 echo '.section "myfoosect", "aw"' > conftest2.s
2335 echo '.byte 1' >> conftest2.s
2336 echo '.section "myfoosect", "a"' > conftest3.s
2337 echo '.byte 0' >> conftest3.s
2338 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2339 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2340 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2341 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2342 conftest2.o conftest3.o; then
2343 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2344 | grep -A1 myfoosect`
2345 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2346 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2347 gcc_cv_ld_ro_rw_mix=read-only
2349 gcc_cv_ld_ro_rw_mix=read-write
2354 rm -f conftest.* conftest[123].*
2357 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2358 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2359 [Define if your linker links a mix of read-only
2360 and read-write sections into a read-write section.])
2362 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2364 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2365 gcc_cv_ld_eh_frame_hdr=no
2366 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2367 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
2368 gcc_cv_ld_eh_frame_hdr=yes
2370 elif test x$gcc_cv_ld != x; then
2371 # Check if linker supports --eh-frame-hdr option
2372 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2373 gcc_cv_ld_eh_frame_hdr=yes
2376 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2377 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2378 [Define if your linker supports --eh-frame-hdr option.])
2380 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2382 # Miscellaneous target-specific checks.
2385 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2386 gcc_cv_mips_libgloss_startup=no
2387 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2388 if test "x$exec_prefix" = xNONE; then
2389 if test "x$prefix" = xNONE; then
2390 test_prefix=/usr/local
2395 test_prefix=$exec_prefix
2397 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2399 if grep '^STARTUP' $f > /dev/null 2>&1; then
2400 gcc_cv_mips_libgloss_startup=yes
2404 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2405 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2406 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2408 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2412 if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2413 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2416 # Figure out what language subdirectories are present.
2417 # Look if the user specified --enable-languages="..."; if not, use
2418 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2420 # NB: embedded tabs in this IF block -- do not untabify
2421 if test x"${enable_languages+set}" != xset; then
2422 if test x"${LANGUAGES+set}" = xset; then
2423 enable_languages="${LANGUAGES}"
2424 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2427 enable_languages=all
2430 if test x"${enable_languages}" = x \
2431 || test x"${enable_languages}" = xyes;
2433 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2436 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2438 # First scan to see if an enabled language requires some other language.
2439 # We assume that a given config-lang.in will list all the language
2440 # front ends it requires, even if some are required indirectly.
2441 for lang in ${srcdir}/*/config-lang.in ..
2446 # The odd quoting in the next line works around
2447 # an apparent bug in bash 1.12 on linux.
2449 ${srcdir}/[*]/config-lang.in)
2452 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2453 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2454 for other in $this_lang_requires
2456 case ,${enable_languages}, in
2462 enable_languages="$enable_languages,$other"
2471 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2474 for lang in ${srcdir}/*/config-lang.in ..
2478 # The odd quoting in the next line works around
2479 # an apparent bug in bash 1.12 on linux.
2481 ${srcdir}/[*]/config-lang.in) ;;
2483 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2484 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2485 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2486 if test "x$lang_alias" = x
2488 echo "$lang doesn't set \$language." 1>&2
2491 case ${build_by_default},${enable_languages}, in
2492 *,$lang_alias,*) add_this_lang=yes ;;
2493 no,*) add_this_lang=no ;;
2494 *,all,*) add_this_lang=yes ;;
2495 *) add_this_lang=no ;;
2497 found_languages="${found_languages} ${lang_alias}"
2498 if test x"${add_this_lang}" = xyes; then
2500 ${srcdir}/ada/config-lang.in)
2501 if test x$have_gnat = xyes ; then
2502 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2506 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2516 for expected_language in ${expected_languages} ..
2518 if test "${expected_language}" != ..; then
2519 missing_language="${expected_language}"
2520 if test "${expected_language}" = "c" \
2521 || test "${expected_language}" = "all"; then
2524 for found_language in ${found_languages} ..
2526 if test "${found_language}" != ..; then
2527 if test "${expected_language}" = "${found_language}"; then
2532 if test "x${missing_language}" != x; then
2533 missing_languages="${missing_languages} ${missing_language}"
2538 if test "x$missing_languages" != x; then
2540 The following requested languages were not found:${missing_languages}
2541 The following languages were available: c${found_languages}])
2544 # Make gthr-default.h if we have a thread file.
2546 if test $thread_file != single; then
2547 rm -f gthr-default.h
2548 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2549 gthread_flags=-DHAVE_GTHR_DEFAULT
2551 AC_SUBST(gthread_flags)
2553 # Find out what GC implementation we want, or may, use.
2555 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2562 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2567 echo "Using $GGC for garbage collection."
2569 # Use the system's zlib library.
2571 zlibinc="-I\$(srcdir)/../zlib"
2572 AC_ARG_WITH(system-zlib,
2573 [ --with-system-zlib use installed libz],
2580 dnl Very limited version of automake's enable-maintainer-mode
2582 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2583 dnl maintainer-mode is disabled by default
2584 AC_ARG_ENABLE(maintainer-mode,
2585 [ --enable-maintainer-mode
2586 enable make rules and dependencies not useful
2587 (and sometimes confusing) to the casual installer],
2588 maintainer_mode=$enableval,
2591 AC_MSG_RESULT($maintainer_mode)
2593 if test "$maintainer_mode" = "yes"; then
2600 # Make empty files to contain the specs and options for each language.
2601 # Then add #include lines to for a compiler that has specs and/or options.
2606 for subdir in . $subdirs
2608 if test -f $srcdir/$subdir/lang-specs.h; then
2609 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2611 if test -f $srcdir/$subdir/lang-options.h; then
2612 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2614 if test -f $srcdir/$subdir/$subdir-tree.def; then
2615 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2619 # These (without "all_") are set in each config-lang.in.
2620 # `language' must be a single word so is spelled singularly.
2625 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2626 # List of language makefile fragments.
2628 # Files for gengtype
2629 all_gtfiles="$target_gtfiles"
2630 # Files for gengtype with language
2631 all_gtfiles_files_langs=
2632 all_gtfiles_files_files=
2634 # Add the language fragments.
2635 # Languages are added via two mechanisms. Some information must be
2636 # recorded in makefile variables, these are defined in config-lang.in.
2637 # We accumulate them and plug them into the main Makefile.
2638 # The other mechanism is a set of hooks for each of the main targets
2639 # like `clean', `install', etc.
2641 language_fragments="Make-lang"
2642 language_hooks="Make-hooks"
2644 for s in .. $subdirs
2654 . ${srcdir}/$s/config-lang.in
2655 if test "x$language" = x
2657 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2660 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2661 if test -f ${srcdir}/$s/Makefile.in
2662 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2664 all_languages="$all_languages $language"
2665 if test "x$boot_language" = xyes
2667 all_boot_languages="$all_boot_languages $language"
2669 all_compilers="$all_compilers $compilers"
2670 all_stagestuff="$all_stagestuff $stagestuff"
2671 all_outputs="$all_outputs $outputs"
2672 all_gtfiles="$all_gtfiles $gtfiles"
2673 for f in .. $gtfiles
2677 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2678 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2684 # Pick up gtfiles for c
2687 . ${srcdir}/c-config-lang.in
2688 all_gtfiles="$all_gtfiles $gtfiles"
2689 for f in .. $gtfiles
2693 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2694 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2699 for language in .. $all_languages
2701 if test $language != ".."
2703 check_languages="$check_languages check-$language"
2707 # Since we can't use `::' targets, we link each language in
2708 # with a set of hooks, reached indirectly via lang.${target}.
2712 target_list="all.build all.cross start.encap rest.encap \
2713 info dvi generated-manpages \
2714 install-normal install-common install-info install-man \
2716 mostlyclean clean distclean extraclean maintainer-clean \
2717 stage1 stage2 stage3 stage4"
2718 for t in $target_list
2721 for lang in .. $all_languages
2723 if test $lang != ".."; then
2727 echo "lang.$t: $x" >> Make-hooks
2732 echo "dir ." > .gdbinit
2733 echo "dir ${srcdir}" >> .gdbinit
2734 if test x$gdb_needs_out_file_path = xyes
2736 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2738 if test "x$subdirs" != x; then
2741 echo "dir ${srcdir}/$s" >> .gdbinit
2744 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2746 # Define variables host_canonical and build_canonical
2747 # because some Cygnus local changes in the Makefile depend on them.
2748 build_canonical=${build}
2749 host_canonical=${host}
2751 if test "${host}" != "${target}" ; then
2752 target_subdir=${target_alias}/
2754 AC_SUBST(build_canonical)
2755 AC_SUBST(host_canonical)
2756 AC_SUBST(target_subdir)
2758 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2759 # absolute path for gcc_tooldir based on inserting the number of up-directory
2760 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2761 # $(libsubdir)/@(unlibsubdir) based path.
2762 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2763 # make and thus we'd get different behavior depending on where we built the
2765 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2766 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2768 changequote(<<, >>)dnl
2769 # An explanation of the sed strings:
2770 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2771 # -e 's|/$||' match a trailing forward slash and eliminates it
2772 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2773 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2775 # (*) Note this pattern overwrites the first character of the string
2776 # with a forward slash if one is not already present. This is not a
2777 # problem because the exact names of the sub-directories concerned is
2778 # unimportant, just the number of them matters.
2780 # The practical upshot of these patterns is like this:
2782 # prefix exec_prefix result
2783 # ------ ----------- ------
2785 # /foo/ /foo/bar ../
2786 # /foo /foo/bar/ ../
2787 # /foo/ /foo/bar/ ../
2788 # /foo /foo/bar/ugg ../../
2791 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2792 changequote([, ])dnl
2794 AC_SUBST(gcc_tooldir)
2797 # Find a directory in which to install a shared libgcc.
2799 AC_ARG_ENABLE(version-specific-runtime-libs,
2800 [ --enable-version-specific-runtime-libs
2801 specify that runtime libraries should be
2802 installed in a compiler-specific directory])
2804 AC_ARG_WITH(slibdir,
2805 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2806 slibdir="$with_slibdir",
2807 if test "${enable_version_specific_runtime_libs+set}" = set; then
2808 slibdir='$(libsubdir)'
2809 elif test "$host" != "$target"; then
2810 slibdir='$(build_tooldir)/lib'
2816 objdir=`${PWDCMD-pwd}`
2819 # Process the language and host/target makefile fragments.
2820 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2822 # Substitute configuration variables
2825 AC_SUBST(all_boot_languages)
2826 AC_SUBST(all_compilers)
2827 AC_SUBST(all_gtfiles)
2828 AC_SUBST(all_gtfiles_files_langs)
2829 AC_SUBST(all_gtfiles_files_files)
2830 AC_SUBST(all_lang_makefiles)
2831 AC_SUBST(all_languages)
2832 AC_SUBST(all_stagestuff)
2833 AC_SUBST(build_exeext)
2834 AC_SUBST(build_install_headers_dir)
2835 AC_SUBST(build_xm_file_list)
2836 AC_SUBST(build_xm_file)
2837 AC_SUBST(build_xm_defines)
2838 AC_SUBST(check_languages)
2839 AC_SUBST(cc_set_by_configure)
2840 AC_SUBST(quoted_cc_set_by_configure)
2841 AC_SUBST(cpp_install_dir)
2842 AC_SUBST(dep_host_xmake_file)
2843 AC_SUBST(dep_tmake_file)
2844 AC_SUBST(extra_headers_list)
2845 AC_SUBST(extra_objs)
2846 AC_SUBST(extra_parts)
2847 AC_SUBST(extra_passes)
2848 AC_SUBST(extra_programs)
2849 AC_SUBST(float_h_file)
2850 AC_SUBST(gcc_config_arguments)
2851 AC_SUBST(gcc_gxx_include_dir)
2852 AC_SUBST(libstdcxx_incdir)
2853 AC_SUBST(gcc_version)
2854 AC_SUBST(gcc_version_full)
2855 AC_SUBST(gcc_version_trigger)
2856 AC_SUBST(host_exeext)
2857 AC_SUBST(host_extra_gcc_objs)
2858 AC_SUBST(host_xm_file_list)
2859 AC_SUBST(host_xm_file)
2860 AC_SUBST(host_xm_defines)
2862 AC_SUBST(lang_options_files)
2863 AC_SUBST(lang_specs_files)
2864 AC_SUBST(lang_tree_files)
2865 AC_SUBST(local_prefix)
2867 AC_SUBST(objc_boehm_gc)
2869 AC_SUBST(out_object_file)
2870 AC_SUBST(stage_prefix_set_by_configure)
2871 AC_SUBST(quoted_stage_prefix_set_by_configure)
2872 AC_SUBST(symbolic_link)
2873 AC_SUBST(thread_file)
2874 AC_SUBST(tm_file_list)
2876 AC_SUBST(tm_defines)
2877 AC_SUBST(tm_p_file_list)
2880 AC_SUBST(xm_defines)
2881 AC_SUBST(target_alias)
2882 AC_SUBST(c_target_objs)
2883 AC_SUBST(cxx_target_objs)
2884 AC_SUBST(target_cpu_default)
2886 AC_SUBST_FILE(target_overrides)
2887 AC_SUBST_FILE(host_overrides)
2888 AC_SUBST_FILE(language_fragments)
2889 AC_SUBST_FILE(language_hooks)
2891 # Echo that links are built
2892 if test x$host = x$target
2900 if test x$host != x$build
2902 str3=" on a $build system"
2905 if test "x$str2" != x || test "x$str3" != x
2910 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2912 if test "x$str2" != x || test "x$str3" != x
2914 echo " ${str2}${str3}." 1>&2
2917 # Truncate the target if necessary
2918 if test x$host_truncate_target != x; then
2919 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2922 # Configure the subdirectories
2923 # AC_CONFIG_SUBDIRS($subdirs)
2925 # Create the Makefile
2926 # and configure language subdirectories
2927 AC_OUTPUT($all_outputs,
2929 case x$CONFIG_HEADERS in
2930 xauto-host.h:config.in)
2933 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2934 # bootstrapping and the installation procedure can still use
2935 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2936 # FLAGS_TO_PASS has been modified to solve the problem there.
2937 # This is virtually a duplicate of what happens in configure.lang; we do
2938 # an extra check to make sure this only happens if ln -s can be used.
2939 if test "$symbolic_link" = "ln -s"; then
2940 for d in .. ${subdirs} fixinc ; do
2941 if test $d != ..; then
2942 STARTDIR=`${PWDCMD-pwd}`
2944 for t in stage1 stage2 stage3 stage4 include
2947 $symbolic_link ../$t $t 2>/dev/null
2953 # Avoid having to add intl to our include paths.
2954 if test -f intl/libintl.h; then
2955 echo creating libintl.h
2956 echo '#include "intl/libintl.h"' >libintl.h
2960 symbolic_link='$symbolic_link'