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 #xm_file="ansidecl.h ${xm_file}"
1042 # Truncate the target if necessary
1043 if test x$host_truncate_target != x; then
1044 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
1047 # Get the version trigger filename from the toplevel
1048 if test "${with_gcc_version_trigger+set}" = set; then
1049 gcc_version_trigger=$with_gcc_version_trigger
1051 gcc_version_trigger=${srcdir}/version.c
1054 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1055 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1057 # Compile in configure arguments.
1058 if test -f configargs.h ; then
1059 # Being re-configured.
1060 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1061 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1063 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1065 cat > configargs.h <<EOF
1066 /* Generated automatically. */
1067 static const char configuration_arguments[] = "$gcc_config_arguments";
1068 static const char thread_model[] = "$thread_file";
1072 # Internationalization
1074 VERSION="$gcc_version"
1078 # Enable NLS support by default
1080 [ --enable-nls use Native Language Support (default)],
1083 # if cross compiling, disable NLS support.
1084 # It's not worth the trouble, at least for now.
1086 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
1087 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
1093 # Windows32 Registry support for specifying GCC installation paths.
1094 AC_ARG_ENABLE(win32-registry,
1095 [ --disable-win32-registry
1096 disable lookup of installation paths in the
1097 Registry on Windows hosts
1098 --enable-win32-registry enable registry lookup (default)
1099 --enable-win32-registry=KEY
1100 use KEY instead of GCC version as the last portion
1101 of the registry key],,)
1103 win32 | pe | cygwin* | mingw32* | uwin*)
1104 AC_MSG_CHECKING(whether windows registry support is requested)
1105 if test "x$enable_win32_registry" != xno; then
1106 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1107 [Define to 1 if installation paths should be looked up in Windows32
1108 Registry. Ignored on non windows32 hosts.])
1110 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1115 # Check if user specified a different registry key.
1116 case "x${enable_win32_registry}" in
1119 gcc_cv_win32_registry_key="$VERSION"
1122 # no registry lookup.
1123 gcc_cv_win32_registry_key=''
1126 # user-specified key.
1127 gcc_cv_win32_registry_key="$enable_win32_registry"
1131 if test "x$enable_win32_registry" != xno; then
1132 AC_MSG_CHECKING(registry key on windows hosts)
1133 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1134 [Define to be the last portion of registry key on windows hosts.])
1135 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1140 # Get an absolute path to the GCC top-level source directory
1141 holddir=`${PWDCMD-pwd}`
1143 topdir=`${PWDCMD-pwd}`
1146 # Conditionalize the makefile for this host machine.
1147 # Make-host contains the concatenation of all host makefile fragments
1148 # [there can be more than one]. This file is built by configure.frag.
1149 host_overrides=Make-host
1150 dep_host_xmake_file=
1151 for f in .. ${host_xmake_file}
1153 if test -f ${srcdir}/config/$f
1155 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1159 # Conditionalize the makefile for this target machine.
1160 # Make-target contains the concatenation of all host makefile fragments
1161 # [there can be more than one]. This file is built by configure.frag.
1162 target_overrides=Make-target
1164 for f in .. ${tmake_file}
1166 if test -f ${srcdir}/config/$f
1168 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1172 # If the host doesn't support symlinks, modify CC in
1173 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1174 # Otherwise, we can use "CC=$(CC)".
1176 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1178 cc_set_by_configure="\$(CC)"
1179 quoted_cc_set_by_configure="\$(CC)"
1180 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1181 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1184 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1186 symbolic_link="cp -p"
1190 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1191 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1192 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1193 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1197 out_object_file=`basename $out_file .c`.o
1200 for f in $tm_file; do
1203 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1205 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1206 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1211 for f in $tm_p_file; do
1214 tm_p_file_list="${tm_p_file_list} $f" ;;
1215 *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;;
1220 for f in $host_xm_file; do
1223 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1225 host_xm_file_list="${host_xm_file_list} $f" ;;
1227 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1228 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1233 for f in $build_xm_file; do
1236 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1237 auto-build.h | auto-host.h )
1238 build_xm_file_list="${build_xm_file_list} $f" ;;
1240 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1241 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1245 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1246 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1247 CROSS= AC_SUBST(CROSS)
1248 ALL=all.internal AC_SUBST(ALL)
1249 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1250 if test x$host != x$target
1252 CROSS="-DCROSS_COMPILE"
1254 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1255 case "$host","$target" in
1256 i?86-*-*,x86_64-*-* \
1257 | powerpc*-*-*,powerpc64*-*-*)
1258 CROSS="$CROSS -DNATIVE_CROSS" ;;
1262 # If this is a cross-compiler that does not
1263 # have its own set of headers then define
1266 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1267 # This prevents libgcc2 from containing any code which requires libc
1270 if { test x$host != x$target && test "x$with_headers" = x &&
1271 test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then
1272 inhibit_libc=-Dinhibit_libc
1274 AC_SUBST(inhibit_libc)
1276 # When building gcc with a cross-compiler, we need to adjust things so
1277 # that the generator programs are still built with the native compiler.
1278 # Also, we cannot run fixincludes or fix-header.
1280 # These are the normal (build=host) settings:
1281 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1282 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1283 BUILD_CC='$(CC)' AC_SUBST(BUILD_CC)
1284 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1286 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1287 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1289 # And these apply if build != host.
1290 if test x$build != x$host
1293 BUILD_PREFIX_1=build-
1294 BUILD_CC='$(CC_FOR_BUILD)'
1295 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1301 # Expand extra_headers to include complete path.
1302 # This substitutes for lots of t-* files.
1304 if test "x$extra_headers" = x
1307 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1308 for file in $extra_headers;
1310 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1314 if test x$use_collect2 = xno; then
1318 # Add a definition of USE_COLLECT2 if system wants one.
1319 if test x$use_collect2 != x
1321 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1322 xm_defines="${xm_defines} USE_COLLECT2"
1325 # If we have gas in the build tree, make a link to it.
1326 if test -f ../gas/Makefile; then
1327 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1330 # If we have nm and objdump in the build tree, make a link to them.
1331 if test -f ../binutils/Makefile; then
1332 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1333 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1336 # If we have ld in the build tree, make a link to it.
1337 if test -f ../ld/Makefile; then
1338 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1341 # Figure out what assembler we will be using.
1342 AC_MSG_CHECKING(what assembler to use)
1344 gcc_cv_gas_major_version=
1345 gcc_cv_gas_minor_version=
1346 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1347 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1348 if test -x "$DEFAULT_ASSEMBLER"; then
1349 gcc_cv_as="$DEFAULT_ASSEMBLER"
1350 elif test -x "$AS"; then
1352 elif test -x as$host_exeext; then
1353 # Build using assembler in the current directory.
1354 gcc_cv_as=./as$host_exeext
1355 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1356 # Single tree build which includes gas.
1357 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
1360 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1362 if test x$gcc_cv_gas_version != x; then
1367 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1368 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1369 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1373 if test "x$gcc_cv_as" = x; then
1374 # Search the same directories that the installed compiler will
1375 # search. Else we may find the wrong assembler and lose. If we
1376 # do not find a suitable assembler binary, then try the user's
1379 # Also note we have to check MD_EXEC_PREFIX before checking the
1380 # user's path. Unfortunately, there is no good way to get at the
1381 # value of MD_EXEC_PREFIX here. So we do a brute force search
1382 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1383 # to be fixed as part of the make/configure rewrite too.
1385 if test "x$exec_prefix" = xNONE; then
1386 if test "x$prefix" = xNONE; then
1387 test_prefix=/usr/local
1392 test_prefix=$exec_prefix
1395 # If the loop below does not find an assembler, then use whatever
1396 # one we can find in the users's path.
1398 if test "x$program_prefix" != xNONE; then
1399 gcc_cv_as=${program_prefix}as$host_exeext
1401 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1404 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1405 $test_prefix/lib/gcc-lib/$target_alias \
1406 /usr/lib/gcc/$target_alias/$gcc_version \
1407 /usr/lib/gcc/$target_alias \
1408 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1409 $test_prefix/$target_alias/bin"
1411 if test x$host = x$target; then
1412 test_dirs="$test_dirs \
1417 /bsd43/usr/lib/cmplrs/cc \
1418 /usr/cross64/usr/bin \
1419 /usr/lib/cmplrs/cc \
1420 /sysv/usr/lib/cmplrs/cc \
1421 /svr4/usr/lib/cmplrs/cc \
1425 for dir in $test_dirs; do
1426 if test -x $dir/as$host_exeext; then
1427 gcc_cv_as=$dir/as$host_exeext
1432 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1433 AC_MSG_RESULT("newly built gas")
1435 AC_MSG_RESULT($gcc_cv_as)
1438 # Figure out what linker we will be using.
1439 AC_MSG_CHECKING(what linker to use)
1441 gcc_cv_gld_major_version=
1442 gcc_cv_gld_minor_version=
1443 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1444 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1445 if test -x "$DEFAULT_LINKER"; then
1446 gcc_cv_ld="$DEFAULT_LINKER"
1447 elif test -x "$LD"; then
1449 elif test -x ld$host_exeext; then
1450 # Build using linker in the current directory.
1451 gcc_cv_ld=./ld$host_exeext
1452 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1453 # Single tree build which includes ld.
1454 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
1457 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1459 if test x$gcc_cv_gld_version != x; then
1464 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1465 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1469 if test "x$gcc_cv_ld" = x; then
1470 # Search the same directories that the installed compiler will
1471 # search. Else we may find the wrong linker and lose. If we
1472 # do not find a suitable linker binary, then try the user's
1475 # Also note we have to check MD_EXEC_PREFIX before checking the
1476 # user's path. Unfortunately, there is no good way to get at the
1477 # value of MD_EXEC_PREFIX here. So we do a brute force search
1478 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1479 # to be fixed as part of the make/configure rewrite too.
1481 if test "x$exec_prefix" = xNONE; then
1482 if test "x$prefix" = xNONE; then
1483 test_prefix=/usr/local
1488 test_prefix=$exec_prefix
1491 # If the loop below does not find an linker, then use whatever
1492 # one we can find in the users's path.
1494 if test "x$program_prefix" != xNONE; then
1495 gcc_cv_ld=${program_prefix}ld$host_exeext
1497 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1500 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1501 $test_prefix/lib/gcc-lib/$target_alias \
1502 /usr/lib/gcc/$target_alias/$gcc_version \
1503 /usr/lib/gcc/$target_alias \
1504 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1505 $test_prefix/$target_alias/bin"
1507 if test x$host = x$target; then
1508 test_dirs="$test_dirs \
1513 /bsd43/usr/lib/cmplrs/cc \
1514 /usr/cross64/usr/bin \
1515 /usr/lib/cmplrs/cc \
1516 /sysv/usr/lib/cmplrs/cc \
1517 /svr4/usr/lib/cmplrs/cc \
1521 for dir in $test_dirs; do
1522 if test -x $dir/ld$host_exeext; then
1523 gcc_cv_ld=$dir/ld$host_exeext
1528 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1529 AC_MSG_RESULT("newly built ld")
1531 AC_MSG_RESULT($gcc_cv_ld)
1534 # Figure out what nm we will be using.
1535 AC_MSG_CHECKING(what nm to use)
1536 if test -x nm$host_exeext; then
1537 gcc_cv_nm=./nm$host_exeext
1538 elif test "x$program_prefix" != xNONE; then
1539 gcc_cv_nm=${program_prefix}nm$host_exeext
1541 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1543 AC_MSG_RESULT($gcc_cv_nm)
1545 # Figure out what objdump we will be using.
1546 AC_MSG_CHECKING(what objdump to use)
1547 if test -x objdump$host_exeext; then
1548 gcc_cv_objdump=./objdump$host_exeext
1549 elif test "x$program_prefix" != xNONE; then
1550 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1552 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1554 AC_MSG_RESULT($gcc_cv_objdump)
1556 # Figure out what assembler alignment features are present.
1557 AC_MSG_CHECKING(assembler alignment features)
1558 gcc_cv_as_alignment_features=none
1559 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1560 # Gas version 2.6 and later support for .balign and .p2align.
1561 # bytes to skip when using .p2align.
1562 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1563 gcc_cv_as_alignment_features=".balign and .p2align"
1564 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1566 # Gas version 2.8 and later support specifying the maximum
1567 # bytes to skip when using .p2align.
1568 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1569 gcc_cv_as_alignment_features=".p2align including maximum skip"
1570 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1572 elif test x$gcc_cv_as != x; then
1573 # Check if we have .balign and .p2align
1574 echo ".balign 4" > conftest.s
1575 echo ".p2align 2" >> conftest.s
1576 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1577 gcc_cv_as_alignment_features=".balign and .p2align"
1578 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1580 rm -f conftest.s conftest.o
1581 # Check if specifying the maximum bytes to skip when
1582 # using .p2align is supported.
1583 echo ".p2align 4,,7" > conftest.s
1584 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1585 gcc_cv_as_alignment_features=".p2align including maximum skip"
1586 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1588 rm -f conftest.s conftest.o
1590 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1592 AC_MSG_CHECKING(assembler subsection support)
1593 gcc_cv_as_subsections=no
1594 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1595 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1596 gcc_cv_as_subsections="working .subsection -1"
1598 elif test x$gcc_cv_as != x; then
1599 # Check if we have .subsection
1600 echo ".subsection 1" > conftest.s
1601 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1602 gcc_cv_as_subsections=".subsection"
1603 if test x$gcc_cv_nm != x; then
1604 cat > conftest.s <<EOF
1605 conftest_label1: .word 0
1607 conftest_label2: .word 0
1610 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1611 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1612 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1613 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1616 gcc_cv_as_subsections="working .subsection -1"
1621 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1623 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1624 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1625 [Define if your assembler supports .subsection and .subsection -1 starts
1626 emitting at the beginning of your section.])
1628 AC_MSG_RESULT($gcc_cv_as_subsections)
1630 AC_MSG_CHECKING(assembler weak support)
1632 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1633 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1634 gcc_cv_as_weak="yes"
1636 elif test x$gcc_cv_as != x; then
1637 # Check if we have .weak
1638 echo " .weak foobar" > conftest.s
1639 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1640 gcc_cv_as_weak="yes"
1642 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1644 if test x"$gcc_cv_as_weak" = xyes; then
1645 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1647 AC_MSG_RESULT($gcc_cv_as_weak)
1649 AC_MSG_CHECKING(assembler hidden support)
1651 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1652 if test "$gcc_cv_gas_major_version" -eq 2 \
1653 -a "$gcc_cv_gas_minor_version" -eq 12 \
1654 -a "$gcc_cv_gas_patch_version" -ge 1 \
1655 -o "$gcc_cv_gas_major_version" -eq 2 \
1656 -a "$gcc_cv_gas_minor_version" -gt 12 \
1657 -o "$gcc_cv_gas_major_version" -gt 2 \
1658 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1659 gcc_cv_as_hidden="yes"
1661 elif test x$gcc_cv_as != x; then
1662 # Check if we have .hidden
1663 echo " .hidden foobar" > conftest.s
1664 echo "foobar:" >> conftest.s
1665 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1666 gcc_cv_as_hidden="yes"
1668 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1670 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1671 # This is irritatingly difficult to feature test for. Look for
1672 # the date string after the version number.
1673 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1674 if echo "$ld_ver" | grep GNU > /dev/null; then
1676 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1677 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1678 if test 0"$ld_date" -lt 20020404; then
1679 if test -n "$ld_date"; then
1680 # If there was date string, but was earlier than 2002-04-04, fail
1681 gcc_cv_as_hidden="no"
1682 elif test -z "$ld_vers"; then
1683 # If there was no date string nor ld version number, something is wrong
1684 gcc_cv_as_hidden="no"
1686 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1687 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1688 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1689 test -z "$ld_vers_patch" && ld_vers_patch=0
1690 if test "$ld_vers_major" -lt 2; then
1691 gcc_cv_as_hidden="no"
1692 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1693 gcc_cv_as_hidden="no"
1694 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1695 -a "$ld_vers_patch" -eq 0; then
1696 gcc_cv_as_hidden="no"
1703 if test x"$gcc_cv_as_hidden" = xyes; then
1704 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1705 [Define if your assembler supports .hidden.])
1707 AC_MSG_RESULT($gcc_cv_as_hidden)
1708 libgcc_visibility=$gcc_cv_as_hidden
1711 if test x"$gnu_ld_flag" = x"no"; then
1712 # Even if using gas with .hidden support, the resulting object files
1713 # cannot be linked with the IRIX 6 O32 linker. With the N32 and
1714 # N64 linkers, the problem is that the linker refuses to accept
1715 # -call_shared (passed by default to the linker) and -r (used to
1716 # link the object file generated without .hidden directives with
1717 # one that hides symbols), so we also lose.
1718 libgcc_visibility=no
1722 AC_SUBST(libgcc_visibility)
1724 AC_MSG_CHECKING(assembler leb128 support)
1726 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1727 if test "$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
1728 gcc_cv_as_leb128="yes"
1730 elif test x$gcc_cv_as != x; then
1731 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1732 cat > conftest.s <<EOF
1740 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1741 gcc_cv_as_leb128="yes"
1743 # GAS versions before 2.11 do not support uleb128,
1744 # despite appearing to.
1745 # ??? There exists an elf-specific test that will crash
1746 # the assembler. Perhaps it's better to figure out whether
1747 # arbitrary sections are supported and try the test.
1748 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1749 if echo "$as_ver" | grep GNU > /dev/null; then
1751 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1752 as_major=`echo $as_ver | sed 's/\..*//'`
1753 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1755 if test $as_major -eq 2 -a $as_minor -lt 11; then
1756 gcc_cv_as_leb128="no"
1760 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1762 if test x"$gcc_cv_as_leb128" = xyes; then
1763 AC_DEFINE(HAVE_AS_LEB128, 1,
1764 [Define if your assembler supports .uleb128.])
1766 AC_MSG_RESULT($gcc_cv_as_leb128)
1768 AC_MSG_CHECKING(assembler eh_frame optimization)
1769 gcc_cv_as_eh_frame=no
1770 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1771 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1772 gcc_cv_as_eh_frame="yes"
1774 elif test x$gcc_cv_as != x; then
1775 # Check if this is GAS.
1776 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1777 rm -f a.out 2> /dev/null
1778 if echo "$as_ver" | grep GNU > /dev/null; then
1779 # Versions up to and including 2.11.0 may mis-optimize
1780 # .eh_frame data. Try something.
1781 cat > conftest.s <<EOF
1788 .section .eh_frame,"aw",@progbits
1790 .4byte .LECIE1-.LSCIE1
1804 .4byte .LEFDE1-.LASFDE1
1806 .4byte .LASFDE1-__FRAME_BEGIN__
1815 cat > conftest.lit <<EOF
1816 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1817 0010 01000000 12000000 18000000 00000000 ................
1818 0020 08000000 04080000 0044 .........D
1820 cat > conftest.big <<EOF
1821 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1822 0010 00000001 00000012 00000018 00000000 ................
1823 0020 00000008 04000000 0844 .........D
1825 # If the assembler didn't choke, and we can objdump,
1826 # and we got the correct data, then succeed.
1827 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1828 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1829 | tail -3 > conftest.got \
1830 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1831 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1833 gcc_cv_as_eh_frame="yes"
1835 gcc_cv_as_eh_frame="bad"
1836 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1837 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1838 [Define if your assembler mis-optimizes .eh_frame data.])
1844 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1846 AC_MSG_CHECKING(assembler section merging support)
1847 gcc_cv_as_shf_merge=no
1848 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1849 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1850 gcc_cv_as_shf_merge=yes
1852 elif test x$gcc_cv_as != x; then
1853 # Check if we support SHF_MERGE sections
1854 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1855 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1856 gcc_cv_as_shf_merge=yes
1858 rm -f conftest.s conftest.o
1860 if test x"$gcc_cv_as_shf_merge" = xyes; then
1861 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1862 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1864 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1866 AC_MSG_CHECKING(assembler thread-local storage support)
1875 .section ".tdata","awT",@progbits
1878 ldq $27,__tls_get_addr($29) !literal!1
1879 lda $16,foo($29) !tlsgd!1
1880 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1881 ldq $27,__tls_get_addr($29) !literal!2
1882 lda $16,foo($29) !tlsldm!2
1883 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1884 ldq $1,foo($29) !gotdtprel
1885 ldah $2,foo($29) !dtprelhi
1886 lda $3,foo($2) !dtprello
1887 lda $4,foo($29) !dtprel
1888 ldq $1,foo($29) !gottprel
1889 ldah $2,foo($29) !tprelhi
1890 lda $3,foo($2) !tprello
1891 lda $4,foo($29) !tprel'
1898 .section ".tdata","awT",@progbits
1902 leal foo@TLSGD(,%ebx,1), %eax
1903 leal foo@TLSLDM(%ebx), %eax
1904 leal foo@DTPOFF(%eax), %edx
1905 movl foo@GOTTPOFF(%ebx), %eax
1906 subl foo@GOTTPOFF(%ebx), %eax
1907 addl foo@GOTNTPOFF(%ebx), %eax
1908 movl foo@INDNTPOFF, %eax
1909 movl $foo@TPOFF, %eax
1910 subl $foo@TPOFF, %eax
1911 leal foo@NTPOFF(%ecx), %eax'
1917 .section ".tdata","awT",@progbits
1921 leaq foo@TLSGD(%rip), %rdi
1922 leaq foo@TLSLD(%rip), %rdi
1923 leaq foo@DTPOFF(%rax), %rdx
1924 movq foo@GOTTPOFF(%rip), %rax
1925 movq $foo@TPOFF, %rax'
1931 .section ".tdata","awT",@progbits
1934 addl r16 = @ltoff(@dtpmod(foo#)), gp
1935 addl r17 = @ltoff(@dtprel(foo#)), gp
1936 addl r18 = @ltoff(@tprel(foo#)), gp
1937 addl r19 = @dtprel(foo#), gp
1938 adds r21 = @dtprel(foo#), r13
1939 movl r23 = @dtprel(foo#)
1940 addl r20 = @tprel(foo#), gp
1941 adds r22 = @tprel(foo#), r13
1942 movl r24 = @tprel(foo#)'
1947 if test -z "$tls_first_major"; then
1949 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1951 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1952 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1953 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1956 elif test x$gcc_cv_as != x; then
1957 echo "$conftest_s" > conftest.s
1958 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1962 rm -f conftest.s conftest.o
1964 if test "$gcc_cv_as_tls" = yes; then
1965 AC_DEFINE(HAVE_AS_TLS, 1,
1966 [Define if your assembler supports thread-local storage.])
1968 AC_MSG_RESULT($gcc_cv_as_tls)
1971 # All TARGET_ABI_OSF targets.
1972 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1973 AC_CACHE_CHECK([assembler supports explicit relocations],
1974 gcc_cv_as_explicit_relocs, [
1975 gcc_cv_as_explicit_relocs=unknown
1976 if test x$gcc_cv_gas_major_version != x \
1977 -a x$gcc_cv_gas_minor_version != x
1979 if test "$gcc_cv_gas_major_version" -eq 2 \
1980 -a "$gcc_cv_gas_minor_version" -ge 12 \
1981 -o "$gcc_cv_gas_major_version" -gt 2; then
1982 gcc_cv_as_explicit_relocs=yes
1984 elif test x$gcc_cv_as != x; then
1985 cat > conftest.s << 'EOF'
1988 extbl $3, $2, $3 !lituse_bytoff!1
1989 ldq $2, a($29) !literal!1
1990 ldq $4, b($29) !literal!2
1991 ldq_u $3, 0($2) !lituse_base!1
1992 ldq $27, f($29) !literal!5
1993 jsr $26, ($27), f !lituse_jsr!5
1994 ldah $29, 0($26) !gpdisp!3
1995 lda $0, c($29) !gprel
1996 ldah $1, d($29) !gprelhigh
1997 lda $1, d($1) !gprellow
1998 lda $29, 0($29) !gpdisp!3
2000 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2001 gcc_cv_as_explicit_relocs=yes
2003 gcc_cv_as_explicit_relocs=no
2005 rm -f conftest.s conftest.o
2008 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
2009 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2010 [Define if your assembler supports explicit relocations.])
2014 AC_CACHE_CHECK([assembler .register pseudo-op support],
2015 gcc_cv_as_register_pseudo_op, [
2016 gcc_cv_as_register_pseudo_op=unknown
2017 if test x$gcc_cv_as != x; then
2018 # Check if we have .register
2019 echo ".register %g2, #scratch" > conftest.s
2020 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2021 gcc_cv_as_register_pseudo_op=yes
2023 gcc_cv_as_register_pseudo_op=no
2025 rm -f conftest.s conftest.o
2028 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
2029 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2030 [Define if your assembler supports .register.])
2033 AC_CACHE_CHECK([assembler supports -relax],
2034 gcc_cv_as_relax_opt, [
2035 gcc_cv_as_relax_opt=unknown
2036 if test x$gcc_cv_as != x; then
2037 # Check if gas supports -relax
2038 echo ".text" > conftest.s
2039 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
2040 gcc_cv_as_relax_opt=yes
2042 gcc_cv_as_relax_opt=no
2044 rm -f conftest.s conftest.o
2047 if test "x$gcc_cv_as_relax_opt" = xyes; then
2048 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2049 [Define if your assembler supports -relax option.])
2052 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
2053 gcc_cv_as_sparc_ua_pcrel, [
2054 gcc_cv_as_sparc_ua_pcrel=unknown
2055 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
2056 gcc_cv_as_sparc_ua_pcrel=no
2057 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
2058 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2059 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2060 gcc_cv_as_sparc_ua_pcrel=yes
2062 rm -f conftest.s conftest.o conftest
2065 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2066 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2067 [Define if your assembler and linker support unaligned PC relative relocs.])
2070 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
2071 gcc_cv_as_sparc_ua_pcrel_hidden, [
2072 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2073 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
2074 if test x$gcc_cv_objdump != x; then
2075 gcc_cv_as_sparc_ua_pcrel_hidden=no
2076 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
2077 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
2078 echo "foo: .skip 4" >> conftest.s
2079 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2080 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2081 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2082 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2083 if $gcc_cv_objdump -R conftest 2> /dev/null \
2084 | grep 'DISP32' > /dev/null 2>&1; then
2087 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2091 rm -f conftest.s conftest.o conftest
2093 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
2096 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
2097 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2098 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
2101 AC_CACHE_CHECK([for assembler offsetable %lo() support],
2102 gcc_cv_as_offsetable_lo10, [
2103 gcc_cv_as_offsetable_lo10=unknown
2104 if test "x$gcc_cv_as" != x; then
2105 # Check if assembler has offsetable %lo()
2106 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
2107 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
2108 if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
2110 $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
2111 > /dev/null 2>&1; then
2112 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2113 gcc_cv_as_offsetable_lo10=no
2115 gcc_cv_as_offsetable_lo10=yes
2118 gcc_cv_as_offsetable_lo10=no
2120 rm -f conftest.s conftest.o conftest1.s conftest1.o
2123 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2124 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2125 [Define if your assembler supports offsetable %lo().])
2131 i[34567]86-*-* | x86_64-*-*)
2133 AC_MSG_CHECKING(assembler instructions)
2134 gcc_cv_as_instructions=
2135 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2136 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2137 gcc_cv_as_instructions="filds fists"
2139 elif test x$gcc_cv_as != x; then
2140 set "filds fists" "filds mem; fists mem"
2143 echo "$2" > conftest.s
2144 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2145 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2149 rm -f conftest.s conftest.o
2151 if test x"$gcc_cv_as_instructions" != x; then
2152 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2154 AC_MSG_RESULT($gcc_cv_as_instructions)
2156 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2157 gcc_cv_as_gotoff_in_data=no
2158 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2160 if test "$gcc_cv_gas_major_version" -eq 2 \
2161 -a "$gcc_cv_gas_minor_version" -ge 11 \
2162 -o "$gcc_cv_gas_major_version" -gt 2; then
2163 gcc_cv_as_gotoff_in_data=yes
2165 elif test x$gcc_cv_as != x; then
2166 cat > conftest.s <<EOF
2173 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2174 gcc_cv_as_gotoff_in_data=yes
2177 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2178 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2179 [Define true if the assembler supports '.long foo@GOTOFF'.])
2180 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2184 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2185 gcc_cv_as_dwarf2_debug_line=no
2186 # ??? Not all targets support dwarf2 debug_line, even within a version
2187 # of gas. Moreover, we need to emit a valid instruction to trigger any
2188 # info to the output file. So, as supported targets are added to gas 2.11,
2189 # add some instruction here to (also) show we expect this might work.
2190 # ??? Once 2.11 is released, probably need to add first known working
2191 # version to the per-target configury.
2193 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2194 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*)
2201 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2203 if test "$gcc_cv_gas_major_version" -eq 2 \
2204 -a "$gcc_cv_gas_minor_version" -ge 11 \
2205 -o "$gcc_cv_gas_major_version" -gt 2 \
2206 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2207 && test x"$insn" != x ; then
2208 gcc_cv_as_dwarf2_debug_line="yes"
2210 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2211 echo ' .file 1 "conftest.s"' > conftest.s
2212 echo ' .loc 1 3 0' >> conftest.s
2213 echo " $insn" >> conftest.s
2214 # ??? This fails with non-gnu grep.
2215 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2216 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2217 # The .debug_line file table must be in the exact order that
2218 # we specified the files, since these indices are also used
2219 # by DW_AT_decl_file. Approximate this test by testing if
2220 # the assembler bitches if the same index is assigned twice.
2221 echo ' .file 1 "foo.s"' > conftest.s
2222 echo ' .file 1 "bar.s"' >> conftest.s
2223 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2225 gcc_cv_as_dwarf2_debug_line="no"
2227 gcc_cv_as_dwarf2_debug_line="yes"
2230 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2232 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2233 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2234 [Define if your assembler supports dwarf2 .file/.loc directives,
2235 and preserves file table indices exactly as given.])
2237 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2239 AC_MSG_CHECKING(assembler --gdwarf2 support)
2240 gcc_cv_as_gdwarf2_flag=no
2241 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2243 if test "$gcc_cv_gas_major_version" -eq 2 \
2244 -a "$gcc_cv_gas_minor_version" -ge 11 \
2245 -o "$gcc_cv_gas_major_version" -gt 2 \
2246 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2247 && test x"$insn" != x ; then
2248 gcc_cv_as_gdwarf2_flag="yes"
2250 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2251 echo '' > conftest.s
2252 # ??? This fails with non-gnu grep.
2253 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2255 gcc_cv_as_gdwarf2_flag="yes"
2257 rm -f conftest.s conftest.o
2259 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2260 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2261 [Define if your assembler supports the --gdwarf2 option.])
2263 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2265 AC_MSG_CHECKING(assembler --gstabs support)
2266 gcc_cv_as_gstabs_flag=no
2267 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2269 if test "$gcc_cv_gas_major_version" -eq 2 \
2270 -a "$gcc_cv_gas_minor_version" -ge 11 \
2271 -o "$gcc_cv_gas_major_version" -gt 2 \
2272 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2273 && test x"$insn" != x ; then
2274 gcc_cv_as_gstabs_flag="yes"
2276 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2277 echo '' > conftest.s
2278 # ??? This fails with non-gnu grep.
2279 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2280 gcc_cv_as_gstabs_flag="yes"
2282 rm -f conftest.s conftest.o
2284 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2285 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2286 [Define if your assembler supports the --gstabs option.])
2288 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2290 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2291 gcc_cv_ld_ro_rw_mix=unknown
2292 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2293 if test "$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
2294 gcc_cv_ld_ro_rw_mix=read-write
2296 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2297 echo '.section "myfoosect", "a"' > conftest1.s
2298 echo '.section "myfoosect", "aw"' > conftest2.s
2299 echo '.byte 1' >> conftest2.s
2300 echo '.section "myfoosect", "a"' > conftest3.s
2301 echo '.byte 0' >> conftest3.s
2302 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2303 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2304 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2305 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2306 conftest2.o conftest3.o; then
2307 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2308 | grep -A1 myfoosect`
2309 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2310 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2311 gcc_cv_ld_ro_rw_mix=read-only
2313 gcc_cv_ld_ro_rw_mix=read-write
2318 rm -f conftest.* conftest[123].*
2321 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2322 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2323 [Define if your linker links a mix of read-only
2324 and read-write sections into a read-write section.])
2326 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2328 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2329 gcc_cv_ld_eh_frame_hdr=no
2330 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2331 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
2332 gcc_cv_ld_eh_frame_hdr=yes
2334 elif test x$gcc_cv_ld != x; then
2335 # Check if linker supports --eh-frame-hdr option
2336 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2337 gcc_cv_ld_eh_frame_hdr=yes
2340 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2341 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2342 [Define if your linker supports --eh-frame-hdr option.])
2344 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2346 # Miscellaneous target-specific checks.
2349 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2350 gcc_cv_mips_libgloss_startup=no
2351 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2352 if test "x$exec_prefix" = xNONE; then
2353 if test "x$prefix" = xNONE; then
2354 test_prefix=/usr/local
2359 test_prefix=$exec_prefix
2361 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2363 if grep '^STARTUP' $f > /dev/null 2>&1; then
2364 gcc_cv_mips_libgloss_startup=yes
2368 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2369 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2370 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2372 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2376 if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2377 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2380 # Figure out what language subdirectories are present.
2381 # Look if the user specified --enable-languages="..."; if not, use
2382 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2384 # NB: embedded tabs in this IF block -- do not untabify
2385 if test x"${enable_languages+set}" != xset; then
2386 if test x"${LANGUAGES+set}" = xset; then
2387 enable_languages="${LANGUAGES}"
2388 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2391 enable_languages=all
2394 if test x"${enable_languages}" = x \
2395 || test x"${enable_languages}" = xyes;
2397 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2400 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2402 # First scan to see if an enabled language requires some other language.
2403 # We assume that a given config-lang.in will list all the language
2404 # front ends it requires, even if some are required indirectly.
2405 for lang in ${srcdir}/*/config-lang.in ..
2410 # The odd quoting in the next line works around
2411 # an apparent bug in bash 1.12 on linux.
2413 ${srcdir}/[*]/config-lang.in)
2416 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2417 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2418 for other in $this_lang_requires
2420 case ,${enable_languages}, in
2426 enable_languages="$enable_languages,$other"
2435 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2438 for lang in ${srcdir}/*/config-lang.in ..
2442 # The odd quoting in the next line works around
2443 # an apparent bug in bash 1.12 on linux.
2445 ${srcdir}/[*]/config-lang.in) ;;
2447 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2448 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2449 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2450 if test "x$lang_alias" = x
2452 echo "$lang doesn't set \$language." 1>&2
2455 case ${build_by_default},${enable_languages}, in
2456 *,$lang_alias,*) add_this_lang=yes ;;
2457 no,*) add_this_lang=no ;;
2458 *,all,*) add_this_lang=yes ;;
2459 *) add_this_lang=no ;;
2461 found_languages="${found_languages} ${lang_alias}"
2462 if test x"${add_this_lang}" = xyes; then
2464 ${srcdir}/ada/config-lang.in)
2465 if test x$have_gnat = xyes ; then
2466 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2470 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2480 for expected_language in ${expected_languages} ..
2482 if test "${expected_language}" != ..; then
2483 missing_language="${expected_language}"
2484 if test "${expected_language}" = "c" \
2485 || test "${expected_language}" = "all"; then
2488 for found_language in ${found_languages} ..
2490 if test "${found_language}" != ..; then
2491 if test "${expected_language}" = "${found_language}"; then
2496 if test "x${missing_language}" != x; then
2497 missing_languages="${missing_languages} ${missing_language}"
2502 if test "x$missing_languages" != x; then
2504 The following requested languages were not found:${missing_languages}
2505 The following languages were available: c${found_languages}])
2508 # Make gthr-default.h if we have a thread file.
2510 if test $thread_file != single; then
2511 rm -f gthr-default.h
2512 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2513 gthread_flags=-DHAVE_GTHR_DEFAULT
2515 AC_SUBST(gthread_flags)
2517 # Find out what GC implementation we want, or may, use.
2519 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2526 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2531 echo "Using $GGC for garbage collection."
2533 # Use the system's zlib library.
2535 zlibinc="-I\$(srcdir)/../zlib"
2536 AC_ARG_WITH(system-zlib,
2537 [ --with-system-zlib use installed libz],
2544 dnl Very limited version of automake's enable-maintainer-mode
2546 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2547 dnl maintainer-mode is disabled by default
2548 AC_ARG_ENABLE(maintainer-mode,
2549 [ --enable-maintainer-mode
2550 enable make rules and dependencies not useful
2551 (and sometimes confusing) to the casual installer],
2552 maintainer_mode=$enableval,
2555 AC_MSG_RESULT($maintainer_mode)
2557 if test "$maintainer_mode" = "yes"; then
2564 # Make empty files to contain the specs and options for each language.
2565 # Then add #include lines to for a compiler that has specs and/or options.
2570 for subdir in . $subdirs
2572 if test -f $srcdir/$subdir/lang-specs.h; then
2573 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2575 if test -f $srcdir/$subdir/lang-options.h; then
2576 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2578 if test -f $srcdir/$subdir/$subdir-tree.def; then
2579 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2583 # These (without "all_") are set in each config-lang.in.
2584 # `language' must be a single word so is spelled singularly.
2589 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2590 # List of language makefile fragments.
2592 # Files for gengtype
2593 all_gtfiles="$target_gtfiles"
2594 # Files for gengtype with language
2595 all_gtfiles_files_langs=
2596 all_gtfiles_files_files=
2598 # Add the language fragments.
2599 # Languages are added via two mechanisms. Some information must be
2600 # recorded in makefile variables, these are defined in config-lang.in.
2601 # We accumulate them and plug them into the main Makefile.
2602 # The other mechanism is a set of hooks for each of the main targets
2603 # like `clean', `install', etc.
2605 language_fragments="Make-lang"
2606 language_hooks="Make-hooks"
2608 for s in .. $subdirs
2618 . ${srcdir}/$s/config-lang.in
2619 if test "x$language" = x
2621 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2624 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2625 if test -f ${srcdir}/$s/Makefile.in
2626 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2628 all_languages="$all_languages $language"
2629 if test "x$boot_language" = xyes
2631 all_boot_languages="$all_boot_languages $language"
2633 all_compilers="$all_compilers $compilers"
2634 all_stagestuff="$all_stagestuff $stagestuff"
2635 all_outputs="$all_outputs $outputs"
2636 all_gtfiles="$all_gtfiles $gtfiles"
2637 for f in .. $gtfiles
2641 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2642 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2648 # Pick up gtfiles for c
2651 . ${srcdir}/c-config-lang.in
2652 all_gtfiles="$all_gtfiles $gtfiles"
2653 for f in .. $gtfiles
2657 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2658 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2663 for language in .. $all_languages
2665 if test $language != ".."
2667 check_languages="$check_languages check-$language"
2671 # Since we can't use `::' targets, we link each language in
2672 # with a set of hooks, reached indirectly via lang.${target}.
2676 target_list="all.build all.cross start.encap rest.encap \
2677 info dvi generated-manpages \
2678 install-normal install-common install-info install-man \
2680 mostlyclean clean distclean extraclean maintainer-clean \
2681 stage1 stage2 stage3 stage4"
2682 for t in $target_list
2685 for lang in .. $all_languages
2687 if test $lang != ".."; then
2691 echo "lang.$t: $x" >> Make-hooks
2696 echo "dir ." > .gdbinit
2697 echo "dir ${srcdir}" >> .gdbinit
2698 if test x$gdb_needs_out_file_path = xyes
2700 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2702 if test "x$subdirs" != x; then
2705 echo "dir ${srcdir}/$s" >> .gdbinit
2708 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2710 # Define variables host_canonical and build_canonical
2711 # because some Cygnus local changes in the Makefile depend on them.
2712 build_canonical=${build}
2713 host_canonical=${host}
2715 if test "${host}" != "${target}" ; then
2716 target_subdir=${target_alias}/
2718 AC_SUBST(build_canonical)
2719 AC_SUBST(host_canonical)
2720 AC_SUBST(target_subdir)
2722 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2723 # absolute path for gcc_tooldir based on inserting the number of up-directory
2724 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2725 # $(libsubdir)/@(unlibsubdir) based path.
2726 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2727 # make and thus we'd get different behavior depending on where we built the
2729 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2730 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2732 changequote(<<, >>)dnl
2733 # An explanation of the sed strings:
2734 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2735 # -e 's|/$||' match a trailing forward slash and eliminates it
2736 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2737 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2739 # (*) Note this pattern overwrites the first character of the string
2740 # with a forward slash if one is not already present. This is not a
2741 # problem because the exact names of the sub-directories concerned is
2742 # unimportant, just the number of them matters.
2744 # The practical upshot of these patterns is like this:
2746 # prefix exec_prefix result
2747 # ------ ----------- ------
2749 # /foo/ /foo/bar ../
2750 # /foo /foo/bar/ ../
2751 # /foo/ /foo/bar/ ../
2752 # /foo /foo/bar/ugg ../../
2755 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2756 changequote([, ])dnl
2758 AC_SUBST(gcc_tooldir)
2761 # Find a directory in which to install a shared libgcc.
2763 AC_ARG_ENABLE(version-specific-runtime-libs,
2764 [ --enable-version-specific-runtime-libs
2765 specify that runtime libraries should be
2766 installed in a compiler-specific directory])
2768 AC_ARG_WITH(slibdir,
2769 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2770 slibdir="$with_slibdir",
2771 if test "${enable_version_specific_runtime_libs+set}" = set; then
2772 slibdir='$(libsubdir)'
2773 elif test "$host" != "$target"; then
2774 slibdir='$(build_tooldir)/lib'
2780 objdir=`${PWDCMD-pwd}`
2783 # Process the language and host/target makefile fragments.
2784 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2786 # Substitute configuration variables
2789 AC_SUBST(all_boot_languages)
2790 AC_SUBST(all_compilers)
2791 AC_SUBST(all_gtfiles)
2792 AC_SUBST(all_gtfiles_files_langs)
2793 AC_SUBST(all_gtfiles_files_files)
2794 AC_SUBST(all_lang_makefiles)
2795 AC_SUBST(all_languages)
2796 AC_SUBST(all_stagestuff)
2797 AC_SUBST(build_exeext)
2798 AC_SUBST(build_install_headers_dir)
2799 AC_SUBST(build_xm_file_list)
2800 AC_SUBST(build_xm_file)
2801 AC_SUBST(build_xm_defines)
2802 AC_SUBST(check_languages)
2803 AC_SUBST(cc_set_by_configure)
2804 AC_SUBST(quoted_cc_set_by_configure)
2805 AC_SUBST(cpp_install_dir)
2806 AC_SUBST(dep_host_xmake_file)
2807 AC_SUBST(dep_tmake_file)
2808 AC_SUBST(extra_headers_list)
2809 AC_SUBST(extra_objs)
2810 AC_SUBST(extra_parts)
2811 AC_SUBST(extra_passes)
2812 AC_SUBST(extra_programs)
2813 AC_SUBST(float_h_file)
2814 AC_SUBST(gcc_config_arguments)
2815 AC_SUBST(gcc_gxx_include_dir)
2816 AC_SUBST(libstdcxx_incdir)
2817 AC_SUBST(gcc_version)
2818 AC_SUBST(gcc_version_full)
2819 AC_SUBST(gcc_version_trigger)
2820 AC_SUBST(host_exeext)
2821 AC_SUBST(host_extra_gcc_objs)
2822 AC_SUBST(host_xm_file_list)
2823 AC_SUBST(host_xm_file)
2824 AC_SUBST(host_xm_defines)
2826 AC_SUBST(lang_options_files)
2827 AC_SUBST(lang_specs_files)
2828 AC_SUBST(lang_tree_files)
2829 AC_SUBST(local_prefix)
2831 AC_SUBST(objc_boehm_gc)
2833 AC_SUBST(out_object_file)
2834 AC_SUBST(stage_prefix_set_by_configure)
2835 AC_SUBST(quoted_stage_prefix_set_by_configure)
2836 AC_SUBST(symbolic_link)
2837 AC_SUBST(thread_file)
2838 AC_SUBST(tm_file_list)
2840 AC_SUBST(tm_defines)
2841 AC_SUBST(tm_p_file_list)
2844 AC_SUBST(xm_defines)
2845 AC_SUBST(target_alias)
2846 AC_SUBST(c_target_objs)
2847 AC_SUBST(cxx_target_objs)
2848 AC_SUBST(target_cpu_default)
2850 AC_SUBST_FILE(target_overrides)
2851 AC_SUBST_FILE(host_overrides)
2852 AC_SUBST_FILE(language_fragments)
2853 AC_SUBST_FILE(language_hooks)
2855 # Echo that links are built
2856 if test x$host = x$target
2864 if test x$host != x$build
2866 str3=" on a $build system"
2869 if test "x$str2" != x || test "x$str3" != x
2874 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2876 if test "x$str2" != x || test "x$str3" != x
2878 echo " ${str2}${str3}." 1>&2
2881 # Truncate the target if necessary
2882 if test x$host_truncate_target != x; then
2883 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2886 # Configure the subdirectories
2887 # AC_CONFIG_SUBDIRS($subdirs)
2889 # Create the Makefile
2890 # and configure language subdirectories
2891 AC_OUTPUT($all_outputs,
2893 case x$CONFIG_HEADERS in
2894 xauto-host.h:config.in)
2897 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2898 # bootstrapping and the installation procedure can still use
2899 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2900 # FLAGS_TO_PASS has been modified to solve the problem there.
2901 # This is virtually a duplicate of what happens in configure.lang; we do
2902 # an extra check to make sure this only happens if ln -s can be used.
2903 if test "$symbolic_link" = "ln -s"; then
2904 for d in .. ${subdirs} fixinc ; do
2905 if test $d != ..; then
2906 STARTDIR=`${PWDCMD-pwd}`
2908 for t in stage1 stage2 stage3 stage4 include
2911 $symbolic_link ../$t $t 2>/dev/null
2917 # Avoid having to add intl to our include paths.
2918 if test -f intl/libintl.h; then
2919 echo creating libintl.h
2920 echo '#include "intl/libintl.h"' >libintl.h
2924 symbolic_link='$symbolic_link'