2 # Process this file with autoconf to generate a configuration script.
4 # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
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 # --------------------------------
25 # Initialization and sanity checks
26 # --------------------------------
30 AC_CONFIG_SRCDIR(tree.c)
31 AC_CONFIG_HEADER(auto-host.h:config.in)
33 # Determine the host, build, and target systems
38 # Determine the noncanonical target name, for directory use.
39 _GCC_TOPLEV_NONCANONICAL_TARGET
41 # Determine the target- and build-specific subdirectories
44 # Set program_transform_name
47 # Check for bogus environment variables.
48 # Test if LIBRARY_PATH contains the notation for the current directory
49 # since this would lead to problems installing/building glibc.
50 # LIBRARY_PATH contains the current directory if one of the following
52 # - one of the terminals (":" and ";") is the first or last sign
53 # - two terminals occur directly after each other
54 # - the path contains an element with a dot in it
55 AC_MSG_CHECKING(LIBRARY_PATH variable)
57 case ${LIBRARY_PATH} in
58 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
59 library_path_setting="contains current directory"
62 library_path_setting="ok"
66 AC_MSG_RESULT($library_path_setting)
67 if test "$library_path_setting" != "ok"; then
69 *** LIBRARY_PATH shouldn't contain the current directory when
70 *** building gcc. Please change the environment variable
71 *** and run configure again.])
74 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
75 # since this would lead to problems installing/building glibc.
76 # GCC_EXEC_PREFIX contains the current directory if one of the following
78 # - one of the terminals (":" and ";") is the first or last sign
79 # - two terminals occur directly after each other
80 # - the path contains an element with a dot in it
81 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
83 case ${GCC_EXEC_PREFIX} in
84 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
85 gcc_exec_prefix_setting="contains current directory"
88 gcc_exec_prefix_setting="ok"
92 AC_MSG_RESULT($gcc_exec_prefix_setting)
93 if test "$gcc_exec_prefix_setting" != "ok"; then
95 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
96 *** building gcc. Please change the environment variable
97 *** and run configure again.])
104 # Specify the local prefix
106 AC_ARG_WITH(local-prefix,
107 [ --with-local-prefix=DIR specifies directory to put local include],
108 [case "${withval}" in
109 yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
111 *) local_prefix=$with_local_prefix ;;
114 # Default local prefix if it is empty
115 if test x$local_prefix = x; then
116 local_prefix=/usr/local
119 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
120 # passed in by the toplevel make and thus we'd get different behavior
121 # depending on where we built the sources.
123 # Specify the g++ header file directory
124 AC_ARG_WITH(gxx-include-dir,
125 [ --with-gxx-include-dir=DIR
126 specifies directory to put g++ header files],
127 [case "${withval}" in
128 yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
130 *) gcc_gxx_include_dir=$with_gxx_include_dir ;;
133 if test x${gcc_gxx_include_dir} = x; then
134 if test x${enable_version_specific_runtime_libs} = xyes; then
135 gcc_gxx_include_dir='${libsubdir}/include/c++'
137 topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
138 changequote(<<, >>)dnl
139 gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
144 AC_ARG_WITH(cpp_install_dir,
145 [ --with-cpp-install-dir=DIR
146 install the user visible C preprocessor in DIR
147 (relative to PREFIX) as well as PREFIX/bin],
148 [if test x$withval = xyes; then
149 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
150 elif test x$withval != xno; then
151 cpp_install_dir=$withval
154 # We would like to our source tree to be readonly. However when releases or
155 # pre-releases are generated, the flex/bison generated files as well as the
156 # various formats of manuals need to be included along with the rest of the
157 # sources. Therefore we have --enable-generated-files-in-srcdir to do
160 AC_MSG_CHECKING([whether to place generated files in the source directory])
161 dnl generated-files-in-srcdir is disabled by default
162 AC_ARG_ENABLE(generated-files-in-srcdir,
163 [ --enable-generated-files-in-srcdir
164 put copies of generated files in source dir
165 intended for creating source tarballs for users
166 without texinfo bison or flex.],
167 generated_files_in_srcdir=$enableval,
168 generated_files_in_srcdir=no)
170 AC_MSG_RESULT($generated_files_in_srcdir)
172 if test "$generated_files_in_srcdir" = "yes"; then
179 # -------------------
180 # Find default linker
181 # -------------------
185 [ --with-gnu-ld arrange to work with GNU ld.],
186 gnu_ld_flag="$with_gnu_ld",
189 # With pre-defined ld
191 [ --with-ld arrange to use the specified ld (full pathname)],
192 DEFAULT_LINKER="$with_ld")
193 if test x"${DEFAULT_LINKER+set}" = x"set"; then
194 if test ! -x "$DEFAULT_LINKER"; then
195 AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
196 elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
199 AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
200 [Define to enable the use of a default linker.])
203 AC_MSG_CHECKING([whether a default linker was specified])
204 if test x"${DEFAULT_LINKER+set}" = x"set"; then
205 if test x"$gnu_ld_flag" = x"no"; then
206 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
208 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
214 # ----------------------
215 # Find default assembler
216 # ----------------------
220 [ --with-gnu-as arrange to work with GNU as],
221 gas_flag="$with_gnu_as",
225 [ --with-as arrange to use the specified as (full pathname)],
226 DEFAULT_ASSEMBLER="$with_as")
227 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
228 if test ! -x "$DEFAULT_ASSEMBLER"; then
229 AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
230 elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
233 AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
234 [Define to enable the use of a default assembler.])
237 AC_MSG_CHECKING([whether a default assembler was specified])
238 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
239 if test x"$gas_flag" = x"no"; then
240 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
242 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
252 # If a non-executable a.out is present (e.g. created by GNU as above even if
253 # invoked with -v only), the IRIX 6 native ld just overwrites the existing
254 # file, even when creating an executable, so an execution test fails.
255 # Remove possible default executable files to avoid this.
257 # FIXME: This really belongs into AC_PROG_CC and can be removed once
258 # Autoconf includes it.
259 rm -f a.out a.exe b.out
261 # Find the native compiler
264 # autoconf is lame and doesn't give us any substitution variable for this.
265 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
266 NO_MINUS_C_MINUS_O=yes
268 OUTPUT_OPTION='-o $@'
270 AC_SUBST(NO_MINUS_C_MINUS_O)
271 AC_SUBST(OUTPUT_OPTION)
273 # -------------------------
274 # Check C compiler features
275 # -------------------------
277 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
278 ac_cv_prog_cc_no_long_long,
279 [save_CFLAGS="$CFLAGS"
280 CFLAGS="-Wno-long-long"
281 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
282 ac_cv_prog_cc_no_long_long=no)
283 CFLAGS="$save_CFLAGS"])
291 # sizeof(char) is 1 by definition.
292 AC_COMPILE_CHECK_SIZEOF(void *)
293 AC_COMPILE_CHECK_SIZEOF(short)
294 AC_COMPILE_CHECK_SIZEOF(int)
295 AC_COMPILE_CHECK_SIZEOF(long)
296 if test $ac_cv_c_long_long = yes; then
297 AC_COMPILE_CHECK_SIZEOF(long long)
299 if test $ac_cv_c___int64 = yes; then
300 AC_COMPILE_CHECK_SIZEOF(__int64)
307 # See if GNAT has been installed
310 # ---------------------
311 # Warnings and checking
312 # ---------------------
315 if test $ac_cv_prog_cc_no_long_long = yes ; then
316 strict1_warn="-pedantic -Wno-long-long"
318 AC_SUBST(strict1_warn)
320 # If the native compiler is GCC, we can enable warnings even in stage1.
321 # That's useful for people building cross-compilers, or just running a
324 if test "x$GCC" = "xyes"; then
325 warn_cflags='$(GCC_WARN_CFLAGS)'
327 AC_SUBST(warn_cflags)
329 # Enable -Werror in bootstrap stage2 and later.
330 # Change the default to "no" on release branches.
331 AC_ARG_ENABLE(werror,
332 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
334 if test x$enable_werror = xyes ; then
339 # Enable expensive internal checks
340 AC_ARG_ENABLE(checking,
341 [ --enable-checking[=LIST]
342 enable expensive run-time checks. With LIST,
343 enable only specific categories of checks.
344 Categories are: misc,tree,rtl,rtlflag,gc,gcac,fold;
345 default is misc,tree,gc,rtlflag],
351 ac_gc_always_collect=
353 case "${enableval}" in
354 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
355 ac_rtlflag_checking=1 ;;
357 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
358 set fnord $enableval; shift
363 misc) ac_checking=1 ;;
364 tree) ac_tree_checking=1 ;;
365 rtlflag) ac_rtlflag_checking=1 ;;
366 rtl) ac_rtl_checking=1 ;;
367 gc) ac_gc_checking=1 ;;
368 gcac) ac_gc_always_collect=1 ;;
369 fold) ac_fold_checking=1 ;;
370 valgrind) ac_checking_valgrind=1 ;;
371 *) AC_MSG_ERROR(unknown check category $check) ;;
377 # Enable some checks by default for development versions of GCC
378 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
380 if test x$ac_checking != x ; then
381 AC_DEFINE(ENABLE_CHECKING, 1,
382 [Define if you want more run-time sanity checks. This one gets a grab
383 bag of miscellaneous but relatively cheap checks.])
384 nocommon_flag=-fno-common
386 AC_SUBST(nocommon_flag)
387 if test x$ac_tree_checking != x ; then
388 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
389 [Define if you want all operations on trees (the basic data
390 structure of the front ends) to be checked for dynamic type safety
391 at runtime. This is moderately expensive.])
393 if test x$ac_rtl_checking != x ; then
394 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
395 [Define if you want all operations on RTL (the basic data structure
396 of the optimizer and back end) to be checked for dynamic type safety
397 at runtime. This is quite expensive.])
399 if test x$ac_rtlflag_checking != x ; then
400 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
401 [Define if you want RTL flag accesses to be checked against the RTL
402 codes that are supported for each access macro. This is relatively
405 if test x$ac_gc_checking != x ; then
406 AC_DEFINE(ENABLE_GC_CHECKING, 1,
407 [Define if you want the garbage collector to do object poisoning and
408 other memory allocation checks. This is quite expensive.])
410 if test x$ac_gc_always_collect != x ; then
411 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
412 [Define if you want the garbage collector to operate in maximally
413 paranoid mode, validating the entire heap and collecting garbage at
414 every opportunity. This is extremely expensive.])
416 if test x$ac_fold_checking != x ; then
417 AC_DEFINE(ENABLE_FOLD_CHECKING, 1,
418 [Define if you want fold checked that it never destructs its argument.
419 This is quite expensive.])
421 valgrind_path_defines=
424 dnl # This check AC_REQUIREs various stuff, so it *must not* be inside
425 dnl # an if statement. This was the source of very frustrating bugs
426 dnl # in converting to autoconf 2.5x!
427 AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
429 if test x$ac_checking_valgrind != x ; then
430 # It is certainly possible that there's valgrind but no valgrind.h.
431 # GCC relies on making annotations so we must have both.
432 AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>)
434 [#include <valgrind/memcheck.h>
435 #ifndef VALGRIND_DISCARD
436 #error VALGRIND_DISCARD not defined
438 [gcc_cv_header_valgrind_memcheck_h=yes],
439 [gcc_cv_header_valgrind_memcheck_h=no])
440 AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h)
441 AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
443 [#include <memcheck.h>
444 #ifndef VALGRIND_DISCARD
445 #error VALGRIND_DISCARD not defined
447 [gcc_cv_header_memcheck_h=yes],
448 gcc_cv_header_memcheck_h=no)
449 AC_MSG_RESULT($gcc_cv_header_memcheck_h)
450 AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
451 [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
452 if test "x$valgrind_path" = "x" \
453 || (test $have_valgrind_h = no \
454 && test $gcc_cv_header_memcheck_h = no \
455 && test $gcc_cv_header_valgrind_memcheck_h = no); then
456 AC_MSG_ERROR([*** Can't find both valgrind and valgrind/memcheck.h, memcheck.h or valgrind.h])
458 valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
459 valgrind_command="$valgrind_path -q"
460 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
461 [Define if you want to run subprograms and generated programs
462 through valgrind (a memory checker). This is extremely expensive.])
463 if test $gcc_cv_header_valgrind_memcheck_h = yes; then
464 AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1,
465 [Define if valgrind's valgrind/memcheck.h header is installed.])
467 if test $gcc_cv_header_memcheck_h = yes; then
468 AC_DEFINE(HAVE_MEMCHECK_H, 1,
469 [Define if valgrind's memcheck.h header is installed.])
472 AC_SUBST(valgrind_path_defines)
473 AC_SUBST(valgrind_command)
475 # Enable code coverage collection
476 AC_ARG_ENABLE(coverage,
477 [ --enable-coverage[=LEVEL]
478 enable compiler\'s code coverage collection.
479 Use to measure compiler performance and locate
480 unused parts of the compiler. With LEVEL, specify
481 optimization. Values are opt, noopt,
483 [case "${enableval}" in
485 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0"
488 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2"
491 AC_MSG_ERROR(unknown coverage setting $enableval)
495 AC_SUBST(coverage_flags)
497 AC_ARG_ENABLE(gather-detailed-mem-stats,
498 [ --enable-gather-detailed-mem-stats enable detailed memory allocation stats gathering], [],
499 [enable_gather_detailed_mem_stats=no])
500 if test x$enable_gather_detailed_mem_stats = xyes ; then
501 AC_DEFINE(GATHER_STATISTICS, 1,
502 [Define to enable detailed memory allocation stats gathering.])
505 # -------------------------------
506 # Miscenalleous configure options
507 # -------------------------------
511 [ --with-stabs arrange to use stabs instead of host debug format],
515 # Determine whether or not multilibs are enabled.
516 AC_ARG_ENABLE(multilib,
517 [ --enable-multilib enable library support for multiple ABIs],
518 [], [enable_multilib=yes])
519 AC_SUBST(enable_multilib)
521 # Enable __cxa_atexit for C++.
522 AC_ARG_ENABLE(__cxa_atexit,
523 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
527 # Pass with no value to take the default
528 # Pass with a value to specify a thread package
529 AC_ARG_ENABLE(threads,
530 [ --enable-threads enable thread usage for target GCC
531 --enable-threads=LIB use LIB thread package for target GCC],,
533 # Save in case it gets overwritten in config.gcc
534 enable_threads_flag=$enable_threads
536 AC_ARG_ENABLE(objc-gc,
537 [ --enable-objc-gc enable the use of Boehm's garbage collector with
538 the GNU Objective-C runtime],
539 if test x$enable_objc_gc = xno; then
547 [ --with-dwarf2 force the default debug format to be DWARF 2],
548 dwarf2="$with_dwarf2",
551 AC_ARG_ENABLE(shared,
552 [ --disable-shared don't provide a shared libgcc],
554 case $enable_shared in
558 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
559 for pkg in $enableval; do
560 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
567 ], [enable_shared=yes])
568 AC_SUBST(enable_shared)
571 [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
573 case ${with_sysroot} in
574 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_noncanonical}/sys-root' ;;
575 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
578 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
579 CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
581 if test "x$exec_prefix" = xNONE; then
582 if test "x$prefix" = xNONE; then
583 test_prefix=/usr/local
588 test_prefix=$exec_prefix
590 case ${TARGET_SYSTEM_ROOT} in
591 "${test_prefix}"|"${test_prefix}/"*|\
592 '${exec_prefix}'|'${exec_prefix}/'*)
593 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
594 TARGET_SYSTEM_ROOT_DEFINE="$t"
599 TARGET_SYSTEM_ROOT_DEFINE=
600 CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include'
602 AC_SUBST(TARGET_SYSTEM_ROOT)
603 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
604 AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
606 # Build with intermodule optimisations
607 AC_ARG_ENABLE(intermodule,
608 [ --enable-intermodule build the compiler in one step],
609 [case ${enable_intermodule} in
610 yes) onestep="-onestep";;
616 # -------------------------
617 # Checks for other programs
618 # -------------------------
622 # Find some useful tools
624 # We need awk to run opts.sh (to create options.c and options.h).
625 # Bail out if it's missing.
627 "") AC_MSG_ERROR([can't build without awk, bailing out]) ;;
635 # See if cmp has --ignore-initial.
636 gcc_AC_PROG_CMP_IGNORE_INITIAL
638 # See if we have the mktemp command.
639 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
641 # Do we have a single-tree copy of texinfo?
642 if test -f $srcdir/../texinfo/Makefile.in; then
643 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
644 gcc_cv_prog_makeinfo_modern=yes
645 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
647 # See if makeinfo has been installed and is modern enough
648 # that we can use it.
649 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
650 [GNU texinfo.* \([0-9][0-9.]*\)],
654 if test $gcc_cv_prog_makeinfo_modern = no; then
656 *** Makeinfo is missing or too old.
657 *** Info documentation will not be built.])
660 BUILD_INFO=info AC_SUBST(BUILD_INFO)
663 # Is pod2man recent enough to regenerate manpages?
664 AC_MSG_CHECKING([for recent Pod::Man])
665 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
667 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
674 dnl Don't use AC_PROG_LEX; we insist on flex.
675 dnl LEXLIB is not useful in gcc.
676 if test -f $srcdir/../flex/skel.c; then
677 FLEX='$(objdir)/../flex/flex'
679 AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
683 # The -L switch is so bison can find its skeleton file.
684 if test -f $srcdir/../bison/bison.simple; then
685 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
687 AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
690 # --------------------
691 # Checks for C headers
692 # --------------------
694 AC_MSG_CHECKING(for GNU C library)
695 AC_CACHE_VAL(gcc_cv_glibc,
697 [#include <features.h>],[
698 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
699 #error Not a GNU C library system
703 AC_MSG_RESULT($gcc_cv_glibc)
704 if test $gcc_cv_glibc = yes; then
705 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
708 # Need to reject headers which give warnings, so that the -Werror bootstrap
709 # works later. *sigh* This needs to come before all header checks.
714 gcc_AC_HEADER_STDBOOL
717 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
718 fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \
719 sys/resource.h sys/param.h sys/times.h sys/stat.h \
720 direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h)
722 # Check for thread headers.
723 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
724 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
726 # These tests can't be done till we know if we have limits.h.
734 # Stage specific cflags for build.
740 stage1_cflags="-Wa,-J"
746 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
747 # sources; use -no-cpp-precomp to get to GNU cpp.
748 # Apple's GCC has bugs in designated initializer handling, so disable
750 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
753 AC_SUBST(stage1_cflags)
755 # These libraries may be used by collect2.
756 # We may need a special search path to get them linked.
757 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
759 for libs in '' -lld -lmld \
760 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
761 '-L/usr/lib/cmplrs/cc3.11 -lmld'
764 AC_TRY_LINK_FUNC(ldopen,
765 [gcc_cv_collect2_libs="$libs"; break])
768 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
769 case $gcc_cv_collect2_libs in
771 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
773 AC_SUBST(COLLECT2_LIBS)
775 # When building Ada code on Alpha, we need exc_resume which is usually in
776 # -lexc. So test for it.
779 AC_SEARCH_LIBS(exc_resume, exc)
782 AC_SUBST(GNAT_LIBEXC)
784 # Some systems put ldexp and frexp in libm instead of libc; assume
785 # they're both in the same place. jcf-dump needs them.
788 AC_SEARCH_LIBS(ldexp, m)
793 # Use <inttypes.h> only if it exists,
794 # doesn't clash with <sys/types.h>, and declares intmax_t.
795 AC_MSG_CHECKING(for inttypes.h)
796 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
798 [#include <sys/types.h>
799 #include <inttypes.h>],
801 [gcc_cv_header_inttypes_h=yes],
802 gcc_cv_header_inttypes_h=no)])
803 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
804 if test $gcc_cv_header_inttypes_h = yes; then
805 AC_DEFINE(HAVE_INTTYPES_H, 1,
806 [Define if you have a working <inttypes.h> header file.])
809 dnl Disabled until we have a complete test for buggy enum bitfields.
810 dnl gcc_AC_C_ENUM_BF_UNSIGNED
812 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
813 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
814 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \
815 scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore \
818 if test x$ac_cv_func_mbstowcs = xyes; then
819 AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
820 [ AC_TRY_RUN([#include <stdlib.h>
826 gcc_cv_func_mbstowcs_works=yes,
827 gcc_cv_func_mbstowcs_works=no,
828 gcc_cv_func_mbstowcs_works=yes)])
829 if test x$gcc_cv_func_mbstowcs_works = xyes; then
830 AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1,
831 [Define this macro if mbstowcs does not crash when its
832 first argument is NULL.])
836 AC_CHECK_TYPE(ssize_t, int)
838 # Try to determine the array type of the second argument of getgroups
839 # for the target system (int or gid_t).
841 if test "${target}" = "${build}"; then
842 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
845 # This condition may need some tweaking. It should include all
846 # targets where the array type of the second argument of getgroups
847 # is int and the type of gid_t is not equivalent to int.
848 *-*-sunos* | *-*-ultrix*)
849 TARGET_GETGROUPS_T=int
852 TARGET_GETGROUPS_T=gid_t
856 AC_SUBST(TARGET_GETGROUPS_T)
858 gcc_AC_FUNC_PRINTF_PTR
859 gcc_AC_FUNC_MMAP_BLACKLIST
863 # Under VMS, vfork works very differently than on Unix. The standard test
864 # won't work, and it isn't easily adaptable. It makes more sense to
866 ac_cv_func_vfork_works=yes
872 # Until we have in-tree GNU iconv:
874 AC_SUBST(LIBICONV_DEP)
878 # We will need to find libiberty.h and ansidecl.h
879 saved_CFLAGS="$CFLAGS"
880 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
881 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
882 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
883 fprintf_unlocked strstr errno snprintf vasprintf \
884 malloc realloc calloc free basename getopt clock, , ,[
885 #include "ansidecl.h"
886 #include "system.h"])
888 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
889 #include "ansidecl.h"
891 #ifdef HAVE_SYS_RESOURCE_H
892 #include <sys/resource.h>
897 #include "ansidecl.h"
899 #ifdef HAVE_SYS_RESOURCE_H
900 #include <sys/resource.h>
902 ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long],
903 [Define to \`long' if <sys/resource.h> doesn't define.])])
905 gcc_AC_CHECK_DECLS(ldgetname, , ,[
906 #include "ansidecl.h"
913 gcc_AC_CHECK_DECLS(times, , ,[
914 #include "ansidecl.h"
916 #ifdef HAVE_SYS_TIMES_H
917 #include <sys/times.h>
921 # More time-related stuff.
922 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
924 #include "ansidecl.h"
926 #ifdef HAVE_SYS_TIMES_H
927 #include <sys/times.h>
929 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
930 if test $ac_cv_struct_tms = yes; then
931 AC_DEFINE(HAVE_STRUCT_TMS, 1,
932 [Define if <sys/times.h> defines struct tms.])
935 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
936 # revisit after autoconf 2.50.
937 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
939 #include "ansidecl.h"
941 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
942 if test $gcc_cv_type_clock_t = yes; then
943 AC_DEFINE(HAVE_CLOCK_T, 1,
944 [Define if <time.h> defines clock_t.])
947 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
949 #include "ansidecl.h"
952 [if ((uchar *)0) return 0;
953 if (sizeof(uchar)) return 0;],
954 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
955 if test $ac_cv_type_uchar = yes; then
956 AC_DEFINE(HAVE_UCHAR, 1,
957 [Define if <sys/types.h> defines \`uchar'.])
960 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
961 CFLAGS="$saved_CFLAGS"
963 gcc_AC_INITFINI_ARRAY
965 # mkdir takes a single argument on some systems.
966 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
974 # With Setjmp/Longjmp based exception handling.
975 AC_ARG_ENABLE(sjlj-exceptions,
976 [ --enable-sjlj-exceptions
977 arrange to use setjmp/longjmp exception handling],
978 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
979 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
980 [Define 0/1 to force the choice for exception handling model.])])
982 if test x$host = x$target; then
983 AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
985 use_libunwind_default=no
987 # Use libunwind based exception handling.
988 AC_ARG_ENABLE(libunwind-exceptions,
989 [ --enable-libunwind-exceptions force use libunwind for exceptions],
990 use_libunwind_exceptions=$enableval,
991 use_libunwind_exceptions=$use_libunwind_default)
992 if test x"$use_libunwind_exceptions" = xyes; then
993 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
994 [Define if gcc should use -lunwind.])
997 # --------------------------------------------------------
998 # Build, host, and target specific configuration fragments
999 # --------------------------------------------------------
1001 # Collect build-machine-specific information.
1002 . ${srcdir}/config.build
1004 # Collect host-machine-specific information.
1005 . ${srcdir}/config.host
1009 # Collect target-machine-specific information.
1010 . ${srcdir}/config.gcc
1012 extra_objs="${host_extra_objs} ${extra_objs}"
1014 # Default the target-machine variables that were not explicitly set.
1015 if test x"$tm_file" = x
1016 then tm_file=$cpu_type/$cpu_type.h; fi
1018 if test x"$extra_headers" = x
1019 then extra_headers=; fi
1021 if test x$md_file = x
1022 then md_file=$cpu_type/$cpu_type.md; fi
1024 if test x$out_file = x
1025 then out_file=$cpu_type/$cpu_type.c; fi
1027 if test x"$tmake_file" = x
1028 then tmake_file=$cpu_type/t-$cpu_type
1031 if test x"$dwarf2" = xyes
1032 then tm_file="$tm_file tm-dwarf2.h"
1035 # Say what files are being used for the output code and MD file.
1036 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
1037 echo "Using \`$srcdir/config/$md_file' as machine description file."
1039 # If any of the xm_file variables contain nonexistent files, warn
1040 # about them and drop them.
1043 for x in $build_xm_file; do
1044 if test -f $srcdir/config/$x
1046 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1052 for x in $host_xm_file; do
1053 if test -f $srcdir/config/$x
1055 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1061 for x in $xm_file; do
1062 if test -f $srcdir/config/$x
1064 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1070 for f in $tm_file; do
1073 if test $count = ax; then
1074 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
1076 echo "Using the following target machine macro files:"
1077 for f in $tm_file; do
1078 echo " $srcdir/config/$f"
1082 if test x$need_64bit_hwint = xyes; then
1083 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
1084 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
1088 for f in $host_xm_file; do
1091 if test $count = a; then
1093 elif test $count = ax; then
1094 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
1096 echo "Using the following host machine macro files:"
1097 for f in $host_xm_file; do
1098 echo " $srcdir/config/$f"
1101 echo "Using ${out_host_hook_obj} for host machine hooks."
1103 if test "$host_xm_file" != "$build_xm_file"; then
1105 for f in $build_xm_file; do
1108 if test $count = a; then
1110 elif test $count = ax; then
1111 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
1113 echo "Using the following build machine macro files:"
1114 for f in $build_xm_file; do
1115 echo " $srcdir/config/$f"
1120 # Check if a valid thread package
1121 case ${enable_threads_flag} in
1124 target_thread_file='single'
1128 target_thread_file='single'
1130 aix | dce | gnat | irix | posix | rtems | \
1131 single | solaris | vxworks | win32 )
1132 target_thread_file=${enable_threads_flag}
1135 echo "${enable_threads_flag} is an unknown thread package" 1>&2
1140 if test x${thread_file} = x; then
1141 # No thread file set by target-specific clauses in config.gcc,
1142 # so use file chosen by default logic above
1143 thread_file=${target_thread_file}
1146 if test x$enable___cxa_atexit = xyes || \
1147 test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
1148 AC_CHECK_FUNC(__cxa_atexit,
1149 [AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
1150 [Define if you want to use __cxa_atexit, rather than atexit, to
1151 register C++ destructors for local statics and global objects.
1152 This is essential for fully standards-compliant handling of
1153 destructors, but requires __cxa_atexit in libc.])],
1154 echo "__cxa_atexit can't be enabled on this target")
1157 # Look for a file containing extra machine modes.
1158 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
1159 extra_modes_file='$(srcdir)'/config/${extra_modes}
1160 AC_SUBST(extra_modes_file)
1161 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "config/$extra_modes",
1162 [Define to the name of a file containing a list of extra machine modes
1163 for this architecture.])
1166 # auto-host.h is the file containing items generated by autoconf and is
1167 # the first file included by config.h.
1168 # If host=build, it is correct to have bconfig include auto-host.h
1169 # as well. If host!=build, we are in error and need to do more
1170 # work to find out the build config parameters.
1171 if test x$host = x$build
1173 build_auto=auto-host.h
1176 # We create a subdir, then run autoconf in the subdir.
1177 # To prevent recursion we set host and build for the new
1178 # invocation of configure to the build for this invocation
1185 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
1186 *) realsrcdir=../${srcdir};;
1188 saved_CFLAGS="${CFLAGS}"
1189 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
1190 ${realsrcdir}/configure \
1191 --enable-languages=${enable_languages} \
1192 --target=$target_alias --host=$build_alias --build=$build_alias
1193 CFLAGS="${saved_CFLAGS}"
1195 # We just finished tests for the build machine, so rename
1196 # the file auto-build.h in the gcc directory.
1197 mv auto-host.h ../auto-build.h
1200 build_auto=auto-build.h
1201 FORBUILD=../${build_subdir}
1205 tm_file="${tm_file} defaults.h"
1206 tm_p_file="${tm_p_file} tm-preds.h"
1207 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1208 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1209 # We don't want ansidecl.h in target files, write code there in ISO/GNU C.
1210 # put this back in temporarily.
1211 xm_file="ansidecl.h ${xm_file}"
1217 # Get the version trigger filename from the toplevel
1218 if test "${with_gcc_version_trigger+set}" = set; then
1219 gcc_version_trigger=$with_gcc_version_trigger
1221 gcc_version_trigger=${srcdir}/version.c
1224 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1225 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1227 # Compile in configure arguments.
1228 if test -f configargs.h ; then
1229 # Being re-configured.
1230 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1231 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1233 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1236 # Double all backslashes and backslash all quotes to turn
1237 # gcc_config_arguments into a C string.
1238 sed -e 's/\\/\\\\/g; s/"/\\"/g' <<EOF >conftest.out
1239 $gcc_config_arguments
1241 gcc_config_arguments_str=`cat conftest.out`
1244 cat > configargs.h <<EOF
1245 /* Generated automatically. */
1246 static const char configuration_arguments[] = "$gcc_config_arguments_str";
1247 static const char thread_model[] = "$thread_file";
1249 static const struct {
1250 const char *name, *value;
1251 } configure_default_options[] = $configure_default_options;
1255 # Internationalization
1257 VERSION="$gcc_version"
1261 ZW_GNU_GETTEXT_SISTER_DIR
1263 # If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get
1264 # -liconv on the link line twice.
1265 case "$LIBINTL" in *$LIBICONV*)
1269 # Windows32 Registry support for specifying GCC installation paths.
1270 AC_ARG_ENABLE(win32-registry,
1271 [ --disable-win32-registry
1272 disable lookup of installation paths in the
1273 Registry on Windows hosts
1274 --enable-win32-registry enable registry lookup (default)
1275 --enable-win32-registry=KEY
1276 use KEY instead of GCC version as the last portion
1277 of the registry key],,)
1279 win32 | pe | cygwin* | mingw32* | uwin*)
1280 AC_MSG_CHECKING(whether windows registry support is requested)
1281 if test "x$enable_win32_registry" != xno; then
1282 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1283 [Define to 1 if installation paths should be looked up in Windows32
1284 Registry. Ignored on non windows32 hosts.])
1286 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1291 # Check if user specified a different registry key.
1292 case "x${enable_win32_registry}" in
1295 gcc_cv_win32_registry_key="$VERSION"
1298 # no registry lookup.
1299 gcc_cv_win32_registry_key=''
1302 # user-specified key.
1303 gcc_cv_win32_registry_key="$enable_win32_registry"
1307 if test "x$enable_win32_registry" != xno; then
1308 AC_MSG_CHECKING(registry key on windows hosts)
1309 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1310 [Define to be the last portion of registry key on windows hosts.])
1311 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1316 # Get an absolute path to the GCC top-level source directory
1317 holddir=`${PWDCMD-pwd}`
1319 topdir=`${PWDCMD-pwd}`
1322 # Conditionalize the makefile for this host machine.
1324 for f in ${host_xmake_file}
1326 if test -f ${srcdir}/config/$f
1328 xmake_file="${xmake_file} \$(srcdir)/config/$f"
1332 # Conditionalize the makefile for this target machine.
1334 for f in ${tmake_file}
1336 if test -f ${srcdir}/config/$f
1338 tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
1341 tmake_file="${tmake_file_}"
1343 symbolic_link='ln -s'
1345 # If the host doesn't support symlinks, modify CC in
1346 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1347 # Otherwise, we can use "CC=$(CC)".
1349 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1351 cc_set_by_configure="\$(CC)"
1352 quoted_cc_set_by_configure="\$(CC)"
1353 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1354 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1357 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1359 symbolic_link="cp -p"
1363 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1364 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1365 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1366 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1370 out_object_file=`basename $out_file .c`.o
1374 for f in $tm_file; do
1377 tm_file_list="${tm_file_list} \$(srcdir)/$f"
1378 tm_include_list="${tm_include_list} $f"
1381 tm_file_list="${tm_file_list} \$(srcdir)/config/$f"
1382 tm_include_list="${tm_include_list} config/$f"
1389 for f in $tm_p_file; do
1392 tm_p_file_list="${tm_p_file_list} $f"
1393 tm_p_include_list="${tm_p_include_list} $f"
1396 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1397 tm_p_include_list="${tm_p_include_list} config/$f"
1403 for f in $xm_file; do
1406 xm_file_list="${xm_file_list} \$(srcdir)/../include/$f"
1407 xm_include_list="${xm_include_list} $f"
1410 xm_file_list="${xm_file_list} $f"
1411 xm_include_list="${xm_include_list} $f"
1414 xm_file_list="${xm_file_list} \$(srcdir)/config/$f"
1415 xm_include_list="${xm_include_list} config/$f"
1421 host_xm_include_list=
1422 for f in $host_xm_file; do
1425 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f"
1426 host_xm_include_list="${host_xm_include_list} $f"
1429 host_xm_file_list="${host_xm_file_list} $f"
1430 host_xm_include_list="${host_xm_include_list} $f"
1433 host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f"
1434 host_xm_include_list="${host_xm_include_list} config/$f"
1440 for f in $build_xm_file; do
1443 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f"
1444 build_xm_include_list="${build_xm_include_list} $f"
1446 auto-build.h | auto-host.h )
1447 build_xm_file_list="${build_xm_file_list} $f"
1448 build_xm_include_list="${build_xm_include_list} $f"
1451 build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f"
1452 build_xm_include_list="${build_xm_include_list} config/$f"
1457 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1458 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1459 CROSS= AC_SUBST(CROSS)
1460 ALL=all.internal AC_SUBST(ALL)
1461 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1462 if test x$host != x$target
1464 CROSS="-DCROSS_COMPILE"
1466 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1467 case "$host","$target" in
1468 # Darwin crosses can use the host system's libraries and headers,
1469 # because of the fat library support. Of course, it must be the
1470 # same version of Darwin on both sides. Allow the user to
1471 # just say --target=foo-darwin without a version number to mean
1472 # "the version on this system".
1473 *-*-darwin*,*-*-darwin*)
1474 hostos=`echo $host | sed 's/.*-darwin/darwin/'`
1475 targetos=`echo $target | sed 's/.*-darwin/darwin/'`
1476 if test $hostos = $targetos -o $targetos = darwin ; then
1478 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
1483 i?86-*-*,x86_64-*-* \
1484 | powerpc*-*-*,powerpc64*-*-*)
1485 CROSS="$CROSS -DNATIVE_CROSS" ;;
1487 elif test "x$TARGET_SYSTEM_ROOT" != x; then
1488 # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)
1489 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1492 # If this is a cross-compiler that does not
1493 # have its own set of headers then define
1496 # If this is using newlib, without having the headers available now,
1497 # then define inhibit_libc in LIBGCC2_CFLAGS.
1498 # This prevents libgcc2 from containing any code which requires libc
1501 if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
1502 test x$with_newlib = xyes ; } &&
1503 { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then
1504 inhibit_libc=-Dinhibit_libc
1506 AC_SUBST(inhibit_libc)
1508 # When building gcc with a cross-compiler, we need to adjust things so
1509 # that the generator programs are still built with the native compiler.
1510 # Also, we cannot run fixincludes or fix-header.
1512 # These are the normal (build=host) settings:
1513 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1514 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1515 CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD)
1516 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1518 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1520 # Possibly disable fixproto, on a per-target basis.
1521 case ${use_fixproto} in
1526 STMP_FIXPROTO=stmp-fixproto
1529 AC_SUBST(STMP_FIXPROTO)
1531 # And these apply if build != host, or we are generating coverage data
1532 if test x$build != x$host || test "x$coverage_flags" != x
1535 BUILD_PREFIX_1=build-
1536 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
1538 if test "x$TARGET_SYSTEM_ROOT" = x; then
1544 # Expand extra_headers to include complete path.
1545 # This substitutes for lots of t-* files.
1547 # Prepend $(srcdir)/config/${cpu_type}/ to every entry in extra_headers.
1548 for file in ${extra_headers} ; do
1549 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1552 # Add a definition of USE_COLLECT2 if system wants one.
1553 case $use_collect2 in
1554 no) use_collect2= ;;
1557 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1558 xm_defines="${xm_defines} USE_COLLECT2"
1562 # Identify the assembler which will work hand-in-glove with the newly
1563 # built GCC, so that we can examine its features. This is the assembler
1564 # which will be driven by the driver program.
1566 # If build != host, and we aren't building gas in-tree, we identify a
1567 # build->target assembler and hope that it will have the same features
1568 # as the host->target assembler we'll be using.
1569 AC_MSG_CHECKING(what assembler to use)
1572 gcc_cv_gas_major_version=
1573 gcc_cv_gas_minor_version=
1574 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1575 if test -x "$DEFAULT_ASSEMBLER"; then
1576 gcc_cv_as="$DEFAULT_ASSEMBLER"
1577 elif test -x "$AS"; then
1579 elif test -x as$host_exeext; then
1580 # Build using assembler in the current directory.
1581 gcc_cv_as=./as$host_exeext
1582 elif test -f $gcc_cv_as_gas_srcdir/configure.in \
1583 && test -f ../gas/Makefile; then
1584 # Single tree build which includes gas.
1586 _gcc_COMPUTE_GAS_VERSION
1587 rm -f as$host_exeext
1588 $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1589 in_tree_gas_is_elf=no
1590 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1591 || (grep 'obj_format = multi' ../gas/Makefile \
1592 && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null
1594 in_tree_gas_is_elf=yes
1598 if test "x$gcc_cv_as" = x; then
1599 # Search the same directories that the installed compiler will
1600 # search. Else we may find the wrong assembler and lose. If we
1601 # do not find a suitable assembler binary, then try the user's
1604 # Also note we have to check MD_EXEC_PREFIX before checking the
1605 # user's path. Unfortunately, there is no good way to get at the
1606 # value of MD_EXEC_PREFIX here. So we do a brute force search
1607 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1608 # to be fixed as part of the make/configure rewrite too.
1610 if test "x$exec_prefix" = xNONE; then
1611 if test "x$prefix" = xNONE; then
1612 test_prefix=/usr/local
1617 test_prefix=$exec_prefix
1620 # If the loop below does not find an assembler, then use whatever
1621 # one we can find in the users's path.
1623 if test "x$program_prefix" != xNONE; then
1624 gcc_cv_as=${program_prefix}as$host_exeext
1626 gcc_cv_as=`echo as | sed "${program_transform_name}"`$host_exeext
1629 test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
1630 $test_prefix/libexec/gcc/$target_noncanonical \
1631 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1632 /usr/lib/gcc/$target_noncanonical \
1633 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1634 $test_prefix/$target_noncanonical/bin"
1636 if test x$host = x$target; then
1637 test_dirs="$test_dirs \
1642 /bsd43/usr/lib/cmplrs/cc \
1643 /usr/cross64/usr/bin \
1644 /usr/lib/cmplrs/cc \
1645 /sysv/usr/lib/cmplrs/cc \
1646 /svr4/usr/lib/cmplrs/cc \
1650 for dir in $test_dirs; do
1651 if test -x $dir/as$host_exeext; then
1652 gcc_cv_as=$dir/as$host_exeext
1657 case $in_tree_gas in
1659 AC_MSG_RESULT("newly built gas")
1662 AC_MSG_RESULT($gcc_cv_as)
1666 # Identify the linker which will work hand-in-glove with the newly
1667 # built GCC, so that we can examine its features. This is the linker
1668 # which will be driven by the driver program.
1670 # If build != host, and we aren't building gas in-tree, we identify a
1671 # build->target linker and hope that it will have the same features
1672 # as the host->target linker we'll be using.
1673 AC_MSG_CHECKING(what linker to use)
1676 gcc_cv_gld_major_version=
1677 gcc_cv_gld_minor_version=
1678 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1679 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1680 if test -x "$DEFAULT_LINKER"; then
1681 gcc_cv_ld="$DEFAULT_LINKER"
1682 elif test -x "$LD_FOR_TARGET"; then
1683 gcc_cv_ld="$LD_FOR_TARGET"
1684 elif test -x "$LD" && test x$host = x$target; then
1686 elif test -x collect-ld$host_exeext; then
1687 # Build using linker in the current directory.
1688 gcc_cv_ld=./collect-ld$host_exeext
1689 elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
1690 && test -f ../ld/Makefile; then
1691 # Single tree build which includes ld.
1693 in_tree_ld_is_elf=no
1694 if (grep 'EMUL = .*elf' ../ld/Makefile \
1695 || grep 'EMUL = .*linux' ../ld/Makefile) > /dev/null; then
1696 in_tree_ld_is_elf=yes
1698 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
1701 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1703 if test x$gcc_cv_gld_version != x; then
1708 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1709 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1711 rm -f collect-ld$host_exeext
1712 $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \
1716 if test "x$gcc_cv_ld" = x; then
1717 # Search the same directories that the installed compiler will
1718 # search. Else we may find the wrong linker and lose. If we
1719 # do not find a suitable linker binary, then try the user's
1722 # Also note we have to check MD_EXEC_PREFIX before checking the
1723 # user's path. Unfortunately, there is no good way to get at the
1724 # value of MD_EXEC_PREFIX here. So we do a brute force search
1725 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1726 # to be fixed as part of the make/configure rewrite too.
1728 if test "x$exec_prefix" = xNONE; then
1729 if test "x$prefix" = xNONE; then
1730 test_prefix=/usr/local
1735 test_prefix=$exec_prefix
1738 # If the loop below does not find an linker, then use whatever
1739 # one we can find in the users's path.
1741 if test "x$program_prefix" != xNONE; then
1742 gcc_cv_ld=${program_prefix}ld$host_exeext
1744 gcc_cv_ld=`echo ld | sed "${program_transform_name}"`$host_exeext
1747 test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
1748 $test_prefix/libexec/gcc/$target_noncanonical \
1749 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1750 /usr/lib/gcc/$target_noncanonical \
1751 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1752 $test_prefix/$target_noncanonical/bin"
1754 if test x$host = x$target; then
1755 test_dirs="$test_dirs \
1760 /bsd43/usr/lib/cmplrs/cc \
1761 /usr/cross64/usr/bin \
1762 /usr/lib/cmplrs/cc \
1763 /sysv/usr/lib/cmplrs/cc \
1764 /svr4/usr/lib/cmplrs/cc \
1768 for dir in $test_dirs; do
1769 if test -x $dir/ld$host_exeext; then
1770 gcc_cv_ld=$dir/ld$host_exeext
1777 AC_MSG_RESULT("newly built ld")
1780 AC_MSG_RESULT($gcc_cv_ld)
1784 # Figure out what nm we will be using.
1785 gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
1786 AC_MSG_CHECKING(what nm to use)
1788 if test -x nm$host_exeext; then
1789 gcc_cv_nm=./nm$host_exeext
1790 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1791 && test -f ../binutils/Makefile; then
1792 # Single tree build which includes binutils.
1794 gcc_cv_nm=./nm$host_exeext
1795 rm -f nm$host_exeext
1796 $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1797 elif test "x$program_prefix" != xNONE; then
1798 gcc_cv_nm=${program_prefix}nm$host_exeext
1800 gcc_cv_nm=`echo nm | sed "${program_transform_name}"`$host_exeext
1803 yes) AC_MSG_RESULT("newly built nm") ;;
1804 no) AC_MSG_RESULT($gcc_cv_nm) ;;
1807 # Figure out what objdump we will be using.
1808 AC_MSG_CHECKING(what objdump to use)
1810 if test -x objdump$host_exeext; then
1811 gcc_cv_objdump=./objdump$host_exeext
1812 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1813 && test -f ../binutils/Makefile; then
1814 # Single tree build which includes binutils.
1816 gcc_cv_objdump=./objdump$host_exeext
1817 rm -f objdump$host_exeext
1818 $symbolic_link ../binutils/objdump$host_exeext \
1819 objdump$host_exeext 2>/dev/null
1820 elif test "x$program_prefix" != xNONE; then
1821 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1823 gcc_cv_objdump=`echo objdump | \
1824 sed "${program_transform_name}"`$host_exeext
1826 case $in_tree_objdump in
1827 yes) AC_MSG_RESULT("newly built objdump") ;;
1828 no) AC_MSG_RESULT($gcc_cv_objdump) ;;
1831 # Figure out what assembler alignment features are present.
1832 gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align,
1836 [AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1,
1837 [Define if your assembler supports .balign and .p2align.])])
1839 gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align,
1842 [AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1,
1843 [Define if your assembler supports specifying the maximum number
1844 of bytes to skip when using the GAS .p2align command.])])
1846 gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1,
1848 [conftest_label1: .word 0
1850 conftest_label2: .word 0
1852 [if test x$gcc_cv_nm != x; then
1853 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1854 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1855 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1
1857 else gcc_cv_as_subsection_m1=yes
1859 rm -f conftest.nm1 conftest.nm2
1861 [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1862 [Define if your assembler supports .subsection and .subsection -1 starts
1863 emitting at the beginning of your section.])])
1865 gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak,
1868 [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])])
1870 # .hidden needs to be supported in both the assembler and the linker,
1871 # because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1872 # This is irritatingly difficult to feature test for; we have to check the
1873 # date string after the version number. If we've got an in-tree
1874 # ld, we don't know its patchlevel version, so we set the baseline at 2.13
1876 # The gcc_GAS_CHECK_FEATURE call just sets a cache variable.
1877 gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden,
1882 AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden,
1883 [if test $in_tree_ld = yes ; then
1885 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \
1886 && test $in_tree_ld_is_elf = yes; then
1887 gcc_cv_ld_hidden=yes
1890 gcc_cv_ld_hidden=yes
1891 ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
1892 if echo "$ld_ver" | grep GNU > /dev/null; then
1894 ld_vers=`echo $ld_ver | sed -n \
1895 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1896 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1897 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1898 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
1899 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
1900 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
1901 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1902 if test 0"$ld_date" -lt 20020404; then
1903 if test -n "$ld_date"; then
1904 # If there was date string, but was earlier than 2002-04-04, fail
1906 elif test -z "$ld_vers"; then
1907 # If there was no date string nor ld version number, something is wrong
1910 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1911 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1912 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1913 test -z "$ld_vers_patch" && ld_vers_patch=0
1914 if test "$ld_vers_major" -lt 2; then
1916 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1917 gcc_cv_ld_hidden="no"
1918 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then
1926 hppa64*-*-hpux* | ia64*-*-hpux*)
1927 gcc_cv_ld_hidden=yes
1935 libgcc_visibility=no
1936 AC_SUBST(libgcc_visibility)
1937 if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then
1938 libgcc_visibility=yes
1939 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1940 [Define if your assembler and linker support .hidden.])
1943 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1944 gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128,
1952 [# GAS versions before 2.11 do not support uleb128,
1953 # despite appearing to.
1954 # ??? There exists an elf-specific test that will crash
1955 # the assembler. Perhaps it's better to figure out whether
1956 # arbitrary sections are supported and try the test.
1957 as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q`
1958 if echo "$as_ver" | grep GNU > /dev/null; then
1960 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1961 as_major=`echo $as_ver | sed 's/\..*//'`
1962 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1964 if test $as_major -eq 2 && test $as_minor -lt 11
1966 else gcc_cv_as_leb128=yes
1969 [AC_DEFINE(HAVE_AS_LEB128, 1,
1970 [Define if your assembler supports .sleb128 and .uleb128.])])
1972 # GAS versions up to and including 2.11.0 may mis-optimize
1974 gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame,
1982 .section .eh_frame,"aw",@progbits
1984 .4byte .LECIE1-.LSCIE1
1998 .4byte .LEFDE1-.LASFDE1
2000 .4byte .LASFDE1-__FRAME_BEGIN__
2008 [ dnl # For autoconf 2.5x, must protect trailing spaces with @&t@.
2009 cat > conftest.lit <<EOF
2010 0000 10000000 00000000 017a0001 781a0004 .........z..x...
2011 0010 01000000 12000000 18000000 00000000 ................
2012 0020 08000000 04080000 0044 .........D @&t@
2014 cat > conftest.big <<EOF
2015 0000 00000010 00000000 017a0001 781a0004 .........z..x...
2016 0010 00000001 00000012 00000018 00000000 ................
2017 0020 00000008 04000000 0844 .........D @&t@
2019 # If the assembler didn't choke, and we can objdump,
2020 # and we got the correct data, then succeed.
2021 if test x$gcc_cv_objdump != x \
2022 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
2023 | tail -3 > conftest.got \
2024 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
2025 || cmp conftest.big conftest.got > /dev/null 2>&1; }
2027 gcc_cv_as_eh_frame=yes
2028 elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then
2029 gcc_cv_as_eh_frame=buggy
2031 # Uh oh, what do we do now?
2032 gcc_cv_as_eh_frame=no
2035 if test $gcc_cv_as_eh_frame = buggy; then
2036 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
2037 [Define if your assembler mis-optimizes .eh_frame data.])
2040 gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
2041 [elf,2,12,0], [--fatal-warnings],
2042 [.section .rodata.str, "aMS", @progbits, 1])
2043 AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE,
2044 [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`],
2045 [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
2047 # Thread-local storage - the check is heavily parametrized.
2056 .section ".tdata","awT",@progbits
2059 ldq $27,__tls_get_addr($29) !literal!1
2060 lda $16,foo($29) !tlsgd!1
2061 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
2062 ldq $27,__tls_get_addr($29) !literal!2
2063 lda $16,foo($29) !tlsldm!2
2064 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
2065 ldq $1,foo($29) !gotdtprel
2066 ldah $2,foo($29) !dtprelhi
2067 lda $3,foo($2) !dtprello
2068 lda $4,foo($29) !dtprel
2069 ldq $1,foo($29) !gottprel
2070 ldah $2,foo($29) !tprelhi
2071 lda $3,foo($2) !tprello
2072 lda $4,foo($29) !tprel'
2075 tls_as_opt=--fatal-warnings
2079 .section ".tdata","awT",@progbits
2083 leal foo@TLSGD(,%ebx,1), %eax
2084 leal foo@TLSLDM(%ebx), %eax
2085 leal foo@DTPOFF(%eax), %edx
2086 movl foo@GOTTPOFF(%ebx), %eax
2087 subl foo@GOTTPOFF(%ebx), %eax
2088 addl foo@GOTNTPOFF(%ebx), %eax
2089 movl foo@INDNTPOFF, %eax
2090 movl $foo@TPOFF, %eax
2091 subl $foo@TPOFF, %eax
2092 leal foo@NTPOFF(%ecx), %eax'
2095 tls_as_opt=--fatal-warnings
2099 .section ".tdata","awT",@progbits
2103 leaq foo@TLSGD(%rip), %rdi
2104 leaq foo@TLSLD(%rip), %rdi
2105 leaq foo@DTPOFF(%rax), %rdx
2106 movq foo@GOTTPOFF(%rip), %rax
2107 movq $foo@TPOFF, %rax'
2110 tls_as_opt=--fatal-warnings
2114 .section ".tdata","awT",@progbits
2117 addl r16 = @ltoff(@dtpmod(foo#)), gp
2118 addl r17 = @ltoff(@dtprel(foo#)), gp
2119 addl r18 = @ltoff(@tprel(foo#)), gp
2120 addl r19 = @dtprel(foo#), gp
2121 adds r21 = @dtprel(foo#), r13
2122 movl r23 = @dtprel(foo#)
2123 addl r20 = @tprel(foo#), gp
2124 adds r22 = @tprel(foo#), r13
2125 movl r24 = @tprel(foo#)'
2128 tls_as_opt=--fatal-warnings
2132 .section ".tdata","awT",@progbits
2140 addi 3,31,ld0@got@tlsgd
2142 addi 3,31,x1@got@tlsld
2145 addis 9,3,x2@dtprel@ha
2146 addi 9,9,x2@dtprel@l
2147 lwz 9,x3@got@tprel(31)
2150 addis 9,2,x2@tprel@ha
2151 addi 9,9,x2@tprel@l'
2154 tls_as_opt="-a32 --fatal-warnings"
2158 .section ".tdata","awT",@progbits
2166 addi 3,2,ld0@got@tlsgd
2172 addi 3,2,x1@got@tlsld
2178 addis 9,3,x2@dtprel@ha
2179 addi 9,9,x2@dtprel@l
2182 ld 9,x3@got@dtprel(2)
2188 tls_as_opt="-a64 --fatal-warnings"
2192 .section ".tdata","awT",@progbits
2201 l %r1,foo@GOTNTPOFF(%r12)
2202 l %r1,0(%r1):tls_load:foo
2203 bas %r14,0(%r1,%r13):tls_gdcall:foo
2204 bas %r14,0(%r1,%r13):tls_ldcall:foo'
2207 tls_as_opt="-m31 --fatal-warnings"
2211 .section ".tdata","awT",@progbits
2219 lg %r1,foo@GOTNTPOFF(%r12)
2220 larl %r1,foo@INDNTPOFF
2221 brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
2222 brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
2225 tls_as_opt="-m64 -Aesame --fatal-warnings"
2227 sh-*-* | sh[34]-*-*)
2229 .section ".tdata","awT",@progbits
2239 tls_as_opt=--fatal-warnings
2243 sparc*-sun-solaris2.*)
2250 if test x$on_solaris = xyes && test x$gas_flag = xno; then
2252 .section ".tdata",#alloc,#write,#tls
2255 sethi %tgd_hi22(foo), %o0
2256 add %o0, %tgd_lo10(foo), %o1
2257 add %l7, %o1, %o0, %tgd_add(foo)
2258 call __tls_get_addr, %tgd_call(foo)
2259 sethi %tldm_hi22(foo), %l1
2260 add %l1, %tldm_lo10(foo), %l2
2261 add %l7, %l2, %o0, %tldm_add(foo)
2262 call __tls_get_addr, %tldm_call(foo)
2263 sethi %tldo_hix22(foo), %l3
2264 xor %l3, %tldo_lox10(foo), %l4
2265 add %o0, %l4, %l5, %tldo_add(foo)
2266 sethi %tie_hi22(foo), %o3
2267 add %o3, %tie_lo10(foo), %o3
2268 ld [%l7 + %o3], %o2, %tie_ld(foo)
2269 add %g7, %o2, %o4, %tie_add(foo)
2270 sethi %tle_hix22(foo), %l1
2271 xor %l1, %tle_lox10(foo), %o5
2272 ld [%g7 + %o5], %o1'
2277 .section ".tdata","awT",@progbits
2280 sethi %tgd_hi22(foo), %o0
2281 add %o0, %tgd_lo10(foo), %o1
2282 add %l7, %o1, %o0, %tgd_add(foo)
2283 call __tls_get_addr, %tgd_call(foo)
2284 sethi %tldm_hi22(foo), %l1
2285 add %l1, %tldm_lo10(foo), %l2
2286 add %l7, %l2, %o0, %tldm_add(foo)
2287 call __tls_get_addr, %tldm_call(foo)
2288 sethi %tldo_hix22(foo), %l3
2289 xor %l3, %tldo_lox10(foo), %l4
2290 add %o0, %l4, %l5, %tldo_add(foo)
2291 sethi %tie_hi22(foo), %o3
2292 add %o3, %tie_lo10(foo), %o3
2293 ld [%l7 + %o3], %o2, %tie_ld(foo)
2294 add %g7, %o2, %o4, %tie_add(foo)
2295 sethi %tle_hix22(foo), %l1
2296 xor %l1, %tle_lox10(foo), %o5
2297 ld [%g7 + %o5], %o1'
2300 tls_as_opt="-32 --fatal-warnings"
2305 if test -z "$tls_first_major"; then
2306 : # If we don't have a check, assume no support.
2308 gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls,
2309 [$tls_first_major,$tls_first_minor,0], [$tls_as_opt], [$conftest_s],,
2310 [AC_DEFINE(HAVE_AS_TLS, 1,
2311 [Define if your assembler supports thread-local storage.])])
2314 # Target-specific assembler checks.
2317 # All TARGET_ABI_OSF targets.
2318 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
2319 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2320 gcc_cv_as_alpha_explicit_relocs, [2,12,0],,
2323 extbl $3, $2, $3 !lituse_bytoff!1
2324 ldq $2, a($29) !literal!1
2325 ldq $4, b($29) !literal!2
2326 ldq_u $3, 0($2) !lituse_base!1
2327 ldq $27, f($29) !literal!5
2328 jsr $26, ($27), f !lituse_jsr!5
2329 ldah $29, 0($26) !gpdisp!3
2330 lda $0, c($29) !gprel
2331 ldah $1, d($29) !gprelhigh
2332 lda $1, d($1) !gprellow
2333 lda $29, 0($29) !gpdisp!3],,
2334 [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2335 [Define if your assembler supports explicit relocations.])])
2339 gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,,
2340 [.register %g2, #scratch],,
2341 [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2342 [Define if your assembler supports .register.])])
2344 gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,,
2346 [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2347 [Define if your assembler supports -relax option.])])
2349 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs],
2350 gcc_cv_as_sparc_ua_pcrel,,
2358 .uaword %r_disp32(foo)],
2359 [if test x$gcc_cv_ld != x \
2360 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2361 gcc_cv_as_sparc_ua_pcrel=yes
2364 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2365 [Define if your assembler and linker support unaligned PC relative relocs.])
2367 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols],
2368 gcc_cv_as_sparc_ua_pcrel_hidden,,
2373 .uaword %r_disp32(foo)
2374 .byte 0x32, 0x33, 0x34
2379 [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
2380 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2381 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2382 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2383 if $gcc_cv_objdump -R conftest 2> /dev/null \
2384 | grep 'DISP32' > /dev/null 2>&1; then
2387 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2391 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2392 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])])
2393 ]) # unaligned pcrel relocs
2395 gcc_GAS_CHECK_FEATURE([offsetable %lo()],
2396 gcc_cv_as_sparc_offsetable_lo10,,
2399 or %g1, %lo(ab) + 12, %g1
2400 or %g1, %lo(ab + 12), %g1],
2401 [if test x$gcc_cv_objdump != x \
2402 && %gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
2403 | grep ' 82106000 82106000' > /dev/null 2>&1; then
2404 gcc_cv_as_offsetable_lo10=yes
2406 [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2407 [Define if your assembler supports offsetable %lo().])])
2411 i[34567]86-*-* | x86_64-*-*)
2413 gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
2414 gcc_cv_as_ix86_filds_fists,
2415 [2,9,0],, [filds mem; fists mem],,
2416 [AC_DEFINE(HAVE_GAS_FILDS_FISTS, 1,
2417 [Define if your assembler uses the new HImode fild and fist notation.])])
2419 gcc_GAS_CHECK_FEATURE([cmov syntax],
2420 gcc_cv_as_ix86_cmov_sun_syntax,,,
2421 [cmovl.l %edx, %eax],,
2422 [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1,
2423 [Define if your assembler supports the Sun syntax for cmov.])])
2425 # This one is used unconditionally by i386.[ch]; it is to be defined
2426 # to 1 if the feature is present, 0 otherwise.
2427 gcc_GAS_CHECK_FEATURE([GOTOFF in data],
2428 gcc_cv_as_ix86_gotoff_in_data, [2,11,0],,
2434 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2435 [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2436 [Define true if the assembler supports '.long foo@GOTOFF'.])
2440 gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs],
2441 gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],,
2443 addl r15 = @ltoffx(x#), gp
2445 ld8.mov r16 = [[r15]], x#],,
2446 [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
2447 [Define if your assembler supports ltoffx and ldxmov relocations.])])
2453 *-*-aix*) conftest_s=' .csect .text[[PR]]
2455 *-*-darwin*) conftest_s=' .text
2457 *) conftest_s=' .text
2461 gcc_GAS_CHECK_FEATURE([mfcr field support],
2462 gcc_cv_as_powerpc_mfcrf, [2,14,0],,
2464 [AC_DEFINE(HAVE_AS_MFCRF, 1,
2465 [Define if your assembler supports mfcr field.])])
2469 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2470 gcc_cv_as_mips_explicit_relocs, [2,14,0],,
2471 [ lw $4,%gp_rel(foo)($4)],,
2472 [if test x$target_cpu_default = x
2473 then target_cpu_default=MASK_EXPLICIT_RELOCS
2474 else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
2479 # ??? Not all targets support dwarf2 debug_line, even within a version
2480 # of gas. Moreover, we need to emit a valid instruction to trigger any
2481 # info to the output file. So, as supported targets are added to gas 2.11,
2482 # add some instruction here to (also) show we expect this might work.
2483 # ??? Once 2.11 is released, probably need to add first known working
2484 # version to the per-target configury.
2486 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2487 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \
2488 | xstormy16*-*-* | cris-*-* | xtensa-*-*)
2491 ia64*-*-* | s390*-*-*)
2498 if test x"$insn" != x; then
2500 .file 1 \"conftest.s\"
2503 gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support],
2504 gcc_cv_as_dwarf2_debug_line,
2505 [elf,2,11,0],, [$conftest_s],
2506 [# ??? This fails with non-gnu grep. Maybe use objdump?
2507 if grep debug_line conftest.o > /dev/null 2>&1; then
2508 gcc_cv_as_dwarf2_debug_line=yes
2511 # The .debug_line file table must be in the exact order that
2512 # we specified the files, since these indices are also used
2513 # by DW_AT_decl_file. Approximate this test by testing if
2514 # the assembler bitches if the same index is assigned twice.
2515 gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive],
2516 gcc_cv_as_dwarf2_file_buggy,,,
2520 if test $gcc_cv_as_dwarf2_debug_line = yes \
2521 && test $gcc_cv_as_dwarf2_file_buggy = no; then
2522 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2523 [Define if your assembler supports dwarf2 .file/.loc directives,
2524 and preserves file table indices exactly as given.])
2527 gcc_GAS_CHECK_FEATURE([--gdwarf2 option],
2528 gcc_cv_as_gdwarf2_flag,
2529 [elf,2,11,0], [--gdwarf2], [$insn],,
2530 [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2531 [Define if your assembler supports the --gdwarf2 option.])])
2533 gcc_GAS_CHECK_FEATURE([--gstabs option],
2534 gcc_cv_as_gstabs_flag,
2535 [elf,2,11,0], [--gstabs], [$insn],
2536 [# The native Solaris 9/Intel assembler doesn't understand --gstabs
2537 # and warns about it, but still exits successfully. So check for
2539 if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null])
2541 else gcc_cv_as_gstabs_flag=yes
2543 [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2544 [Define if your assembler supports the --gstabs option.])])
2547 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2548 gcc_cv_ld_ro_rw_mix=unknown
2549 if test $in_tree_ld = yes ; then
2550 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \
2551 && test $in_tree_ld_is_elf = yes; then
2552 gcc_cv_ld_ro_rw_mix=read-write
2554 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2555 echo '.section myfoosect, "a"' > conftest1.s
2556 echo '.section myfoosect, "aw"' > conftest2.s
2557 echo '.byte 1' >> conftest2.s
2558 echo '.section myfoosect, "a"' > conftest3.s
2559 echo '.byte 0' >> conftest3.s
2560 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2561 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2562 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2563 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2564 conftest2.o conftest3.o > /dev/null 2>&1; then
2565 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2566 | sed -e '/myfoosect/!d' -e N`
2567 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2568 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2569 gcc_cv_ld_ro_rw_mix=read-only
2571 gcc_cv_ld_ro_rw_mix=read-write
2576 rm -f conftest.* conftest[123].*
2579 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2580 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2581 [Define if your linker links a mix of read-only
2582 and read-write sections into a read-write section.])
2584 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2586 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2587 gcc_cv_ld_eh_frame_hdr=no
2588 if test $in_tree_ld = yes ; then
2589 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \
2590 && test $in_tree_ld_is_elf = yes; then
2591 gcc_cv_ld_eh_frame_hdr=yes
2593 elif test x$gcc_cv_ld != x; then
2594 # Check if linker supports --eh-frame-hdr option
2595 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2596 gcc_cv_ld_eh_frame_hdr=yes
2599 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2600 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2601 [Define if your linker supports --eh-frame-hdr option.])
2603 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2605 AC_MSG_CHECKING(linker position independent executable support)
2607 if test $in_tree_ld = yes ; then
2608 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \
2609 && test $in_tree_ld_is_elf = yes; then
2612 elif test x$gcc_cv_ld != x; then
2613 # Check if linker supports -pie option
2614 if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
2618 if test x"$gcc_cv_ld_pie" = xyes; then
2619 AC_DEFINE(HAVE_LD_PIE, 1,
2620 [Define if your linker supports -pie option.])
2622 AC_MSG_RESULT($gcc_cv_ld_pie)
2624 if test x$with_sysroot = x && test x$host = x$target \
2625 && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2626 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
2627 [Define to PREFIX/include if cpp should also search that directory.])
2630 # Figure out what language subdirectories are present.
2631 # Look if the user specified --enable-languages="..."; if not, use
2632 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2634 # NB: embedded tabs in this IF block -- do not untabify
2635 if test x"${enable_languages+set}" != xset; then
2636 if test x"${LANGUAGES+set}" = xset; then
2637 enable_languages="${LANGUAGES}"
2638 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2641 enable_languages=all
2644 if test x"${enable_languages}" = x \
2645 || test x"${enable_languages}" = xyes;
2647 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2650 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2652 # First scan to see if an enabled language requires some other language.
2653 # We assume that a given config-lang.in will list all the language
2654 # front ends it requires, even if some are required indirectly.
2655 for lang in ${srcdir}/*/config-lang.in
2658 # The odd quoting in the next line works around
2659 # an apparent bug in bash 1.12 on linux.
2661 ${srcdir}/[*]/config-lang.in)
2664 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2665 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2666 for other in $this_lang_requires
2668 case ,${enable_languages}, in
2674 enable_languages="$enable_languages,$other"
2683 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2686 for lang in ${srcdir}/*/config-lang.in
2689 # The odd quoting in the next line works around
2690 # an apparent bug in bash 1.12 on linux.
2692 ${srcdir}/[*]/config-lang.in) ;;
2694 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2695 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2696 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2697 if test "x$lang_alias" = x
2699 echo "$lang doesn't set \$language." 1>&2
2702 case ${build_by_default},${enable_languages}, in
2703 *,$lang_alias,*) add_this_lang=yes ;;
2704 no,*) add_this_lang=no ;;
2705 *,all,*) add_this_lang=yes ;;
2706 *) add_this_lang=no ;;
2708 found_languages="${found_languages} ${lang_alias}"
2709 if test x"${add_this_lang}" = xyes; then
2711 ${srcdir}/ada/config-lang.in)
2712 if test x$have_gnat = xyes ; then
2713 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2717 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2727 for expected_language in ${expected_languages} ..
2729 if test "${expected_language}" != ..; then
2730 missing_language="${expected_language}"
2731 if test "${expected_language}" = "c" \
2732 || test "${expected_language}" = "all"; then
2735 for found_language in ${found_languages} ..
2737 if test "${found_language}" != ..; then
2738 if test "${expected_language}" = "${found_language}"; then
2743 if test "x${missing_language}" != x; then
2744 missing_languages="${missing_languages} ${missing_language}"
2749 if test "x$missing_languages" != x; then
2751 The following requested languages were not found:${missing_languages}
2752 The following languages were available: c${found_languages}])
2755 # Make gthr-default.h if we have a thread file.
2757 if test $thread_file != single; then
2758 rm -f gthr-default.h
2759 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2760 gthread_flags=-DHAVE_GTHR_DEFAULT
2762 AC_SUBST(gthread_flags)
2764 # Find out what GC implementation we want, or may, use.
2766 [ --with-gc={page,zone} choose the garbage collection mechanism to use
2773 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2778 echo "Using $GGC for garbage collection."
2780 # Use the system's zlib library.
2782 zlibinc="-I\$(srcdir)/../zlib"
2783 AC_ARG_WITH(system-zlib,
2784 [ --with-system-zlib use installed libz],
2791 dnl Very limited version of automake's enable-maintainer-mode
2793 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2794 dnl maintainer-mode is disabled by default
2795 AC_ARG_ENABLE(maintainer-mode,
2796 [ --enable-maintainer-mode
2797 enable make rules and dependencies not useful
2798 (and sometimes confusing) to the casual installer],
2799 maintainer_mode=$enableval,
2802 AC_MSG_RESULT($maintainer_mode)
2804 if test "$maintainer_mode" = "yes"; then
2811 # Make empty files to contain the specs and options for each language.
2812 # Then add #include lines to for a compiler that has specs and/or options.
2817 for subdir in . $subdirs
2819 if test -f $srcdir/$subdir/lang.opt; then
2820 lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
2822 if test -f $srcdir/$subdir/lang-specs.h; then
2823 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2825 if test -f $srcdir/$subdir/$subdir-tree.def; then
2826 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2830 # These (without "all_") are set in each config-lang.in.
2831 # `language' must be a single word so is spelled singularly.
2836 all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2837 # List of language makefile fragments.
2839 # List of language subdirectory makefiles. Deprecated.
2841 # Files for gengtype
2842 all_gtfiles="$target_gtfiles"
2843 # Files for gengtype with language
2844 all_gtfiles_files_langs=
2845 all_gtfiles_files_files=
2847 # Add the language fragments.
2848 # Languages are added via two mechanisms. Some information must be
2849 # recorded in makefile variables, these are defined in config-lang.in.
2850 # We accumulate them and plug them into the main Makefile.
2851 # The other mechanism is a set of hooks for each of the main targets
2852 # like `clean', `install', etc.
2854 language_hooks="Make-hooks"
2864 . ${srcdir}/$s/config-lang.in
2865 if test "x$language" = x
2867 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2870 all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$s/Make-lang.in"
2871 if test -f ${srcdir}/$s/Makefile.in
2872 then all_lang_makefiles="$s/Makefile"
2874 all_languages="$all_languages $language"
2875 if test "x$boot_language" = xyes
2877 all_boot_languages="$all_boot_languages $language"
2879 all_compilers="$all_compilers $compilers"
2880 all_stagestuff="$all_stagestuff $stagestuff"
2881 all_outputs="$all_outputs $outputs"
2882 all_gtfiles="$all_gtfiles $gtfiles"
2885 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2886 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2890 # Pick up gtfiles for c
2893 . ${srcdir}/c-config-lang.in
2894 all_gtfiles="$all_gtfiles $gtfiles"
2897 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2898 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2902 for language in $all_languages
2904 check_languages="$check_languages check-$language"
2907 # We link each language in with a set of hooks, reached indirectly via
2912 target_list="all.build all.cross start.encap rest.encap tags \
2913 install-normal install-common install-man \
2914 uninstall info man srcextra srcman srcinfo \
2915 mostlyclean clean distclean maintainer-clean \
2916 stage1 stage2 stage3 stage4 stageprofile stagefeedback"
2917 for t in $target_list
2920 for lang in $all_languages
2924 echo "lang.$t: $x" >> Make-hooks
2929 echo "dir ." > .gdbinit
2930 echo "dir ${srcdir}" >> .gdbinit
2931 if test x$gdb_needs_out_file_path = xyes
2933 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2935 if test "x$subdirs" != x; then
2938 echo "dir ${srcdir}/$s" >> .gdbinit
2941 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2943 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2944 # absolute path for gcc_tooldir based on inserting the number of up-directory
2945 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2946 # $(libsubdir)/@(unlibsubdir) based path.
2947 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2948 # make and thus we'd get different behavior depending on where we built the
2950 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2951 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_noncanonical)'
2953 changequote(<<, >>)dnl
2954 # An explanation of the sed strings:
2955 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2956 # -e 's|/$||' match a trailing forward slash and eliminates it
2957 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2958 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2960 # (*) Note this pattern overwrites the first character of the string
2961 # with a forward slash if one is not already present. This is not a
2962 # problem because the exact names of the sub-directories concerned is
2963 # unimportant, just the number of them matters.
2965 # The practical upshot of these patterns is like this:
2967 # prefix exec_prefix result
2968 # ------ ----------- ------
2970 # /foo/ /foo/bar ../
2971 # /foo /foo/bar/ ../
2972 # /foo/ /foo/bar/ ../
2973 # /foo /foo/bar/ugg ../../
2976 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_noncanonical)"
2977 changequote([, ])dnl
2979 AC_SUBST(gcc_tooldir)
2982 # Find a directory in which to install a shared libgcc.
2984 AC_ARG_ENABLE(version-specific-runtime-libs,
2985 [ --enable-version-specific-runtime-libs
2986 specify that runtime libraries should be
2987 installed in a compiler-specific directory])
2989 AC_ARG_WITH(slibdir,
2990 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2991 slibdir="$with_slibdir",
2992 if test "${enable_version_specific_runtime_libs+set}" = set; then
2993 slibdir='$(libsubdir)'
2994 elif test "$host" != "$target"; then
2995 slibdir='$(build_tooldir)/lib'
3001 objdir=`${PWDCMD-pwd}`
3004 # Substitute configuration variables
3007 AC_SUBST(all_boot_languages)
3008 AC_SUBST(all_compilers)
3009 AC_SUBST(all_gtfiles)
3010 AC_SUBST(all_gtfiles_files_langs)
3011 AC_SUBST(all_gtfiles_files_files)
3012 AC_SUBST(all_lang_makefrags)
3013 AC_SUBST(all_lang_makefiles)
3014 AC_SUBST(all_languages)
3015 AC_SUBST(all_stagestuff)
3016 AC_SUBST(build_exeext)
3017 AC_SUBST(build_install_headers_dir)
3018 AC_SUBST(build_xm_file_list)
3019 AC_SUBST(build_xm_include_list)
3020 AC_SUBST(build_xm_defines)
3021 AC_SUBST(check_languages)
3022 AC_SUBST(cc_set_by_configure)
3023 AC_SUBST(quoted_cc_set_by_configure)
3024 AC_SUBST(cpp_install_dir)
3025 AC_SUBST(xmake_file)
3026 AC_SUBST(tmake_file)
3027 AC_SUBST(extra_headers_list)
3028 AC_SUBST(extra_objs)
3029 AC_SUBST(extra_parts)
3030 AC_SUBST(extra_passes)
3031 AC_SUBST(extra_programs)
3032 AC_SUBST(float_h_file)
3033 AC_SUBST(gcc_config_arguments)
3034 AC_SUBST(gcc_gxx_include_dir)
3035 AC_SUBST(libstdcxx_incdir)
3036 AC_SUBST(gcc_version)
3037 AC_SUBST(gcc_version_full)
3038 AC_SUBST(gcc_version_trigger)
3039 AC_SUBST(host_exeext)
3040 AC_SUBST(host_extra_gcc_objs)
3041 AC_SUBST(host_xm_file_list)
3042 AC_SUBST(host_xm_include_list)
3043 AC_SUBST(host_xm_defines)
3044 AC_SUBST(out_host_hook_obj)
3046 AC_SUBST(lang_opt_files)
3047 AC_SUBST(lang_specs_files)
3048 AC_SUBST(lang_tree_files)
3049 AC_SUBST(local_prefix)
3051 AC_SUBST(objc_boehm_gc)
3053 AC_SUBST(out_object_file)
3054 AC_SUBST(stage_prefix_set_by_configure)
3055 AC_SUBST(quoted_stage_prefix_set_by_configure)
3056 AC_SUBST(symbolic_link)
3057 AC_SUBST(thread_file)
3058 AC_SUBST(tm_file_list)
3059 AC_SUBST(tm_include_list)
3060 AC_SUBST(tm_defines)
3061 AC_SUBST(tm_p_file_list)
3062 AC_SUBST(tm_p_include_list)
3063 AC_SUBST(xm_file_list)
3064 AC_SUBST(xm_include_list)
3065 AC_SUBST(xm_defines)
3066 AC_SUBST(target_noncanonical)
3067 AC_SUBST(c_target_objs)
3068 AC_SUBST(cxx_target_objs)
3069 AC_SUBST(target_cpu_default)
3071 AC_SUBST_FILE(language_hooks)
3073 # If it doesn't already exist, create document directory
3074 echo "checking for the document directory." 1>&2
3075 if test -d doc ; then
3082 if test x${build} = x${host} ; then
3083 if test x${host} = x${target} ; then
3084 echo "Links are now set up to build a native compiler for ${target}." 1>&2
3086 echo "Links are now set up to build a cross-compiler" 1>&2
3087 echo " from ${host} to ${target}." 1>&2
3090 if test x${host} = x${target} ; then
3091 echo "Links are now set up to build (on ${build}) a native compiler" 1>&2
3092 echo " for ${target}." 1>&2
3094 echo "Links are now set up to build (on ${build}) a cross-compiler" 1>&2
3095 echo " from ${host} to ${target}." 1>&2
3099 # Configure the subdirectories
3100 # AC_CONFIG_SUBDIRS($subdirs)
3102 # Create the Makefile
3103 # and configure language subdirectories
3104 AC_CONFIG_FILES($all_outputs)
3106 AC_CONFIG_COMMANDS([default],
3108 case ${CONFIG_HEADERS} in
3109 *auto-host.h:config.in*)
3112 # Make sure all the subdirs exist.
3115 test -d $d || mkdir $d
3117 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
3118 # bootstrapping and the installation procedure can still use
3119 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
3120 # FLAGS_TO_PASS has been modified to solve the problem there.
3121 # This is virtually a duplicate of what happens in configure.lang; we do
3122 # an extra check to make sure this only happens if ln -s can be used.
3123 if test "$symbolic_link" = "ln -s"; then
3124 for d in ${subdirs} fixinc ; do
3125 STARTDIR=`${PWDCMD-pwd}`
3127 for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include
3130 $symbolic_link ../$t $t 2>/dev/null
3137 symbolic_link='$symbolic_link'