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='$(GCC_WARN_CFLAGS)'
260 AC_SUBST(warn_cflags)
262 # Determine whether or not multilibs are enabled.
263 AC_ARG_ENABLE(multilib,
264 [ --enable-multilib enable library support for multiple ABIs],
265 [], [enable_multilib=yes])
266 AC_SUBST(enable_multilib)
268 # Enable expensive internal checks
269 AC_ARG_ENABLE(checking,
270 [ --enable-checking[=LIST]
271 enable expensive run-time checks. With LIST,
272 enable only specific categories of checks.
273 Categories are: misc,tree,rtl,rtlflag,gc,gcac;
274 default is misc,tree,gc,rtlflag],
280 ac_gc_always_collect=
281 case "${enableval}" in
282 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
283 ac_rtlflag_checking=1 ;;
285 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
286 set fnord $enableval; shift
291 misc) ac_checking=1 ;;
292 tree) ac_tree_checking=1 ;;
293 rtlflag) ac_rtlflag_checking=1 ;;
294 rtl) ac_rtl_checking=1 ;;
295 gc) ac_gc_checking=1 ;;
296 gcac) ac_gc_always_collect=1 ;;
297 valgrind) ac_checking_valgrind=1 ;;
298 *) AC_MSG_ERROR(unknown check category $check) ;;
304 # Enable some checks by default for development versions of GCC
305 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
307 if test x$ac_checking != x ; then
308 AC_DEFINE(ENABLE_CHECKING, 1,
309 [Define if you want more run-time sanity checks. This one gets a grab
310 bag of miscellaneous but relatively cheap checks.])
311 nocommon_flag=-fno-common
313 AC_SUBST(nocommon_flag)
314 if test x$ac_tree_checking != x ; then
315 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
316 [Define if you want all operations on trees (the basic data
317 structure of the front ends) to be checked for dynamic type safety
318 at runtime. This is moderately expensive.])
320 if test x$ac_rtl_checking != x ; then
321 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
322 [Define if you want all operations on RTL (the basic data structure
323 of the optimizer and back end) to be checked for dynamic type safety
324 at runtime. This is quite expensive.])
326 if test x$ac_rtlflag_checking != x ; then
327 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
328 [Define if you want RTL flag accesses to be checked against the RTL
329 codes that are supported for each access macro. This is relatively
332 if test x$ac_gc_checking != x ; then
333 AC_DEFINE(ENABLE_GC_CHECKING, 1,
334 [Define if you want the garbage collector to do object poisoning and
335 other memory allocation checks. This is quite expensive.])
337 if test x$ac_gc_always_collect != x ; then
338 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
339 [Define if you want the garbage collector to operate in maximally
340 paranoid mode, validating the entire heap and collecting garbage at
341 every opportunity. This is extremely expensive.])
343 valgrind_path_defines=
345 if test x$ac_checking_valgrind != x ; then
346 # It is certainly possible that there's valgrind but no valgrind.h.
347 # GCC relies on making annotations so we must have both.
348 AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
349 AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
350 [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
351 if test "x$valgrind_path" = "x" || test $have_valgrind_h = no; then
352 AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h])
354 valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
355 valgrind_command="$valgrind_path -q"
356 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
357 [Define if you want to run subprograms and generated programs
358 through valgrind (a memory checker). This is extremely expensive.])
360 AC_SUBST(valgrind_path_defines)
361 AC_SUBST(valgrind_command)
363 # Enable code coverage collection
364 AC_ARG_ENABLE(coverage,
365 [ --enable-coverage[=LEVEL]
366 enable compiler\'s code coverage collection.
367 Use to measure compiler performance and locate
368 unused parts of the compiler. With LEVEL, specify
369 optimization. Values are opt, noopt,
371 [case "${enableval}" in
373 coverage_flags="-fprofile-arcs -ftest-coverage -O0 -DSELF_COVERAGE=1"
376 coverage_flags="-fprofile-arcs -ftest-coverage -O2 -DSELF_COVERAGE=2"
379 AC_MSG_ERROR(unknown coverage setting $enableval)
383 AC_SUBST(coverage_flags)
385 AC_ARG_WITH(cpp_install_dir,
386 [ --with-cpp-install-dir=DIR
387 install the user visible C preprocessor in DIR
388 (relative to PREFIX) as well as PREFIX/bin],
389 [if test x$withval = xyes; then
390 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
391 elif test x$withval != xno; then
392 cpp_install_dir=$withval
395 # Enable __cxa_atexit for C++.
396 AC_ARG_ENABLE(__cxa_atexit,
397 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
399 if test x$enable___cxa_atexit = xyes; then
400 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
401 [Define if you want to use __cxa_atexit, rather than atexit, to
402 register C++ destructors for local statics and global objects.
403 This is essential for fully standards-compliant handling of
404 destructors, but requires __cxa_atexit in libc.])
407 # Enable Multibyte Characters for C/C++
408 AC_ARG_ENABLE(c-mbchar,
409 [ --enable-c-mbchar enable multibyte characters for C and C++],
410 if test x$enable_c_mbchar != xno; then
411 AC_DEFINE(MULTIBYTE_CHARS, 1,
412 [Define if you want the C and C++ compilers to support multibyte
413 character sets for source code.])
417 # Pass with no value to take the default
418 # Pass with a value to specify a thread package
419 AC_ARG_ENABLE(threads,
420 [ --enable-threads enable thread usage for target GCC
421 --enable-threads=LIB use LIB thread package for target GCC],,
424 enable_threads_flag=$enable_threads
425 # Check if a valid thread package
426 case x${enable_threads_flag} in
429 target_thread_file='single'
433 target_thread_file=''
435 xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
436 xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
437 target_thread_file=$enable_threads_flag
440 echo "$enable_threads is an unknown thread package" 1>&2
445 AC_ARG_ENABLE(objc-gc,
446 [ --enable-objc-gc enable the use of Boehm's garbage collector with
447 the GNU Objective-C runtime],
448 if test x$enable_objc_gc = xno; then
456 [ --with-dwarf2 force the default debug format to be DWARF 2],
457 dwarf2="$with_dwarf2",
460 AC_ARG_ENABLE(shared,
461 [ --disable-shared don't provide a shared libgcc],
463 case $enable_shared in
467 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
468 for pkg in $enableval; do
469 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
476 ], [enable_shared=yes])
477 AC_SUBST(enable_shared)
480 [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
482 case ${with_sysroot} in
483 yes) TARGET_SYSTEM_ROOT='${gcc_tooldir}/sys-root' ;;
484 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
487 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
488 CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
491 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=0'
492 CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include'
494 AC_SUBST(TARGET_SYSTEM_ROOT)
495 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
496 AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
498 # Stage specific cflags for build.
504 stage1_cflags="-Wa,-J"
510 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
511 # sources; use -no-cpp-precomp to get to GNU cpp.
512 # Apple's GCC has bugs in designated initializer handling, so disable
514 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
517 AC_SUBST(stage1_cflags)
521 AC_MSG_CHECKING([whether a default assembler was specified])
522 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
523 if test x"$gas_flag" = x"no"; then
524 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
526 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
532 AC_MSG_CHECKING([whether a default linker was specified])
533 if test x"${DEFAULT_LINKER+set}" = x"set"; then
534 if test x"$gnu_ld_flag" = x"no"; then
535 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
537 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
543 AC_MSG_CHECKING(for GNU C library)
544 AC_CACHE_VAL(gcc_cv_glibc,
546 [#include <features.h>],[
547 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
548 #error Not a GNU C library system
552 AC_MSG_RESULT($gcc_cv_glibc)
553 if test $gcc_cv_glibc = yes; then
554 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
557 # Find some useful tools
566 gcc_AC_HEADER_STDBOOL
569 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
570 fcntl.h unistd.h sys/file.h sys/time.h \
571 sys/resource.h sys/param.h sys/times.h sys/stat.h \
572 direct.h malloc.h langinfo.h ldfcn.h)
574 # Check for thread headers.
575 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
576 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
578 # These tests can't be done till we know if we have limits.h.
581 gcc_AC_C_FLOAT_FORMAT
583 # See if we have the mktemp command.
584 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
586 # Do we have a single-tree copy of texinfo?
587 if test -f $srcdir/../texinfo/Makefile.in; then
588 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
589 gcc_cv_prog_makeinfo_modern=yes
590 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
592 # See if makeinfo has been installed and is modern enough
593 # that we can use it.
594 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
595 [GNU texinfo.* \([0-9][0-9.]*\)],
599 if test $gcc_cv_prog_makeinfo_modern = no; then
601 *** Makeinfo is missing or too old.
602 *** Info documentation will not be built.])
605 BUILD_INFO=info AC_SUBST(BUILD_INFO)
608 # Is pod2man recent enough to regenerate manpages?
609 AC_MSG_CHECKING([for recent Pod::Man])
610 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
612 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
619 dnl Don't use AC_PROG_LEX; we insist on flex.
620 dnl LEXLIB is not useful in gcc.
621 if test -f $srcdir/../flex/skel.c; then
622 FLEX='$(objdir)/../flex/flex'
624 AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
628 # The -L switch is so bison can find its skeleton file.
629 if test -f $srcdir/../bison/bison.simple; then
630 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
632 AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
635 # These libraries may be used by collect2.
636 # We may need a special search path to get them linked.
637 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
639 for libs in '' -lld -lmld \
640 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
641 '-L/usr/lib/cmplrs/cc3.11 -lmld'
644 AC_TRY_LINK_FUNC(ldopen,
645 [gcc_cv_collect2_libs="$libs"; break])
648 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
649 case $gcc_cv_collect2_libs in
651 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
653 AC_SUBST(COLLECT2_LIBS)
655 # When building Ada code on Alpha, we need exc_resume which is usually in
656 # -lexc. So test for it.
659 AC_SEARCH_LIBS(exc_resume, exc)
662 AC_SUBST(GNAT_LIBEXC)
664 # See if the stage1 system preprocessor understands the ANSI C
665 # preprocessor stringification operator. (Used by symcat.h.)
668 # Use <inttypes.h> only if it exists,
669 # doesn't clash with <sys/types.h>, and declares intmax_t.
670 AC_MSG_CHECKING(for inttypes.h)
671 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
673 [#include <sys/types.h>
674 #include <inttypes.h>],
676 [gcc_cv_header_inttypes_h=yes],
677 gcc_cv_header_inttypes_h=no)])
678 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
679 if test $gcc_cv_header_inttypes_h = yes; then
680 AC_DEFINE(HAVE_INTTYPES_H, 1,
681 [Define if you have a working <inttypes.h> header file.])
684 dnl Disabled until we have a complete test for buggy enum bitfields.
685 dnl gcc_AC_C_ENUM_BF_UNSIGNED
687 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
688 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
689 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
692 AC_CHECK_TYPE(ssize_t, int)
694 # Try to determine the array type of the second argument of getgroups
695 # for the target system (int or gid_t).
697 if test "${target}" = "${build}"; then
698 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
701 # This condition may need some tweaking. It should include all
702 # targets where the array type of the second argument of getgroups
703 # is int and the type of gid_t is not equivalent to int.
704 *-*-sunos* | *-*-ultrix*)
705 TARGET_GETGROUPS_T=int
708 TARGET_GETGROUPS_T=gid_t
712 AC_SUBST(TARGET_GETGROUPS_T)
714 gcc_AC_FUNC_PRINTF_PTR
719 *** UWIN may not be used as a host platform because
720 *** linking with posix.dll is not allowed by the GNU GPL])
723 # Under VMS, vfork works very different than on Unix. The standard test
724 # won't work, and it isn't easily adaptable. It makes more sense to
726 ac_cv_func_vfork_works=yes
730 AC_FUNC_MMAP_ANYWHERE
735 # We will need to find libiberty.h and ansidecl.h
736 saved_CFLAGS="$CFLAGS"
737 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
738 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
739 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
740 fprintf_unlocked strstr errno vasprintf \
741 malloc realloc calloc free basename getopt clock, , ,[
742 #include "ansidecl.h"
743 #include "system.h"])
745 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
746 #include "ansidecl.h"
748 #ifdef HAVE_SYS_RESOURCE_H
749 #include <sys/resource.h>
753 gcc_AC_CHECK_DECLS(ldgetname, , ,[
754 #include "ansidecl.h"
761 gcc_AC_CHECK_DECLS(times, , ,[
762 #include "ansidecl.h"
764 #ifdef HAVE_SYS_TIMES_H
765 #include <sys/times.h>
769 # More time-related stuff.
770 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
772 #include "ansidecl.h"
774 #ifdef HAVE_SYS_TIMES_H
775 #include <sys/times.h>
777 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
778 if test $ac_cv_struct_tms = yes; then
779 AC_DEFINE(HAVE_STRUCT_TMS, 1,
780 [Define if <sys/times.h> defines struct tms.])
783 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
784 # revisit after autoconf 2.50.
785 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
787 #include "ansidecl.h"
789 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
790 if test $gcc_cv_type_clock_t = yes; then
791 AC_DEFINE(HAVE_CLOCK_T, 1,
792 [Define if <time.h> defines clock_t.])
795 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
797 #include "ansidecl.h"
800 [if ((uchar *)0) return 0;
801 if (sizeof(uchar)) return 0;],
802 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
803 if test $ac_cv_type_uchar = yes; then
804 AC_DEFINE(HAVE_UCHAR, 1,
805 [Define if <sys/types.h> defines \`uchar'.])
808 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
809 CFLAGS="$saved_CFLAGS"
811 gcc_AC_INITFINI_ARRAY
813 # mkdir takes a single argument on some systems.
814 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
822 # With Setjmp/Longjmp based exception handling.
823 AC_ARG_ENABLE(sjlj-exceptions,
824 [ --enable-sjlj-exceptions
825 arrange to use setjmp/longjmp exception handling],
826 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
827 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
828 [Define 0/1 to force the choice for exception handling model.])])
830 AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
831 # Use libunwind based exception handling.
832 AC_ARG_ENABLE(libunwind-exceptions,
833 [ --enable-libunwind-exceptions force use libunwind for exceptions],
834 use_libunwind_exceptions=$enableval,
835 use_libunwind_exceptions=$use_libunwind_default)
836 if test x"$use_libunwind_exceptions" = xyes; then
837 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
838 [Define if gcc should use -lunwind.])
844 build_install_headers_dir=install-headers-tar
849 host_truncate_target=
852 # Decode the host machine, then the target machine.
853 # For the host machine, we save the xm_file variable as host_xm_file;
854 # then we decode the target machine and forget everything else
855 # that came from the host machine.
856 for machine in $build $host $target; do
857 . ${srcdir}/config.gcc
860 extra_objs="${host_extra_objs} ${extra_objs}"
862 # Default the target-machine variables that were not explicitly set.
863 if test x"$tm_file" = x
864 then tm_file=$cpu_type/$cpu_type.h; fi
866 if test x"$extra_headers" = x
867 then extra_headers=; fi
869 if test x$md_file = x
870 then md_file=$cpu_type/$cpu_type.md; fi
872 if test x$out_file = x
873 then out_file=$cpu_type/$cpu_type.c; fi
875 if test x"$tmake_file" = x
876 then tmake_file=$cpu_type/t-$cpu_type
879 if test x"$dwarf2" = xyes
880 then tm_file="$tm_file tm-dwarf2.h"
883 # Say what files are being used for the output code and MD file.
884 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
885 echo "Using \`$srcdir/config/$md_file' as machine description file."
887 # If any of the xm_file variables contain nonexistent files, warn
888 # about them and drop them.
891 for x in $build_xm_file; do
892 if test -f $srcdir/config/$x
894 else AC_MSG_WARN($srcdir/config/$x does not exist.)
900 for x in $host_xm_file; do
901 if test -f $srcdir/config/$x
903 else AC_MSG_WARN($srcdir/config/$x does not exist.)
909 for x in $xm_file; do
910 if test -f $srcdir/config/$x
912 else AC_MSG_WARN($srcdir/config/$x does not exist.)
918 for f in $tm_file; do
921 if test $count = ax; then
922 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
924 echo "Using the following target machine macro files:"
925 for f in $tm_file; do
926 echo " $srcdir/config/$f"
930 if test x$need_64bit_hwint = xyes; then
931 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
932 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
936 for f in $host_xm_file; do
939 if test $count = a; then
941 elif test $count = ax; then
942 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
944 echo "Using the following host machine macro files:"
945 for f in $host_xm_file; do
946 echo " $srcdir/config/$f"
950 if test "$host_xm_file" != "$build_xm_file"; then
952 for f in $build_xm_file; do
955 if test $count = a; then
957 elif test $count = ax; then
958 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
960 echo "Using the following build machine macro files:"
961 for f in $build_xm_file; do
962 echo " $srcdir/config/$f"
967 if test x$thread_file = x; then
968 if test x$target_thread_file != x; then
969 thread_file=$target_thread_file
975 # Look for a file containing extra machine modes.
976 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
977 extra_modes_file='$(srcdir)'/config/${extra_modes}
978 AC_SUBST(extra_modes_file)
979 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
980 [Define to the name of a file containing a list of extra machine modes
981 for this architecture.])
982 AC_DEFINE(EXTRA_CC_MODES, 1,
983 [Define if the target architecture needs extra machine modes to represent
984 the results of comparisons.])
987 # auto-host.h is the file containing items generated by autoconf and is
988 # the first file included by config.h.
989 # If host=build, it is correct to have bconfig include auto-host.h
990 # as well. If host!=build, we are in error and need to do more
991 # work to find out the build config parameters.
992 if test x$host = x$build
994 build_auto=auto-host.h
997 # We create a subdir, then run autoconf in the subdir.
998 # To prevent recursion we set host and build for the new
999 # invocation of configure to the build for this invocation
1006 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
1007 *) realsrcdir=../${srcdir};;
1009 saved_CFLAGS="${CFLAGS}"
1010 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
1011 ${realsrcdir}/configure \
1012 --target=$target_alias --host=$build_alias --build=$build_alias
1013 CFLAGS="${saved_CFLAGS}"
1015 # We just finished tests for the build machine, so rename
1016 # the file auto-build.h in the gcc directory.
1017 mv auto-host.h ../auto-build.h
1020 build_auto=auto-build.h
1021 FORBUILD=../build-$build_alias
1025 tm_file="${tm_file} defaults.h"
1026 tm_p_file="${tm_p_file} tm-preds.h"
1027 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1028 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1029 xm_file="ansidecl.h ${xm_file}"
1031 # Truncate the target if necessary
1032 if test x$host_truncate_target != x; then
1033 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
1036 # Get the version trigger filename from the toplevel
1037 if test "${with_gcc_version_trigger+set}" = set; then
1038 gcc_version_trigger=$with_gcc_version_trigger
1040 gcc_version_trigger=${srcdir}/version.c
1043 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1044 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1046 # Compile in configure arguments.
1047 if test -f configargs.h ; then
1048 # Being re-configured.
1049 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1050 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1052 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1054 cat > configargs.h <<EOF
1055 /* Generated automatically. */
1056 static const char configuration_arguments[] = "$gcc_config_arguments";
1057 static const char thread_model[] = "$thread_file";
1061 # Internationalization
1063 VERSION="$gcc_version"
1067 # Enable NLS support by default
1069 [ --enable-nls use Native Language Support (default)],
1072 # if cross compiling, disable NLS support.
1073 # It's not worth the trouble, at least for now.
1075 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
1076 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
1082 # Windows32 Registry support for specifying GCC installation paths.
1083 AC_ARG_ENABLE(win32-registry,
1084 [ --disable-win32-registry
1085 disable lookup of installation paths in the
1086 Registry on Windows hosts
1087 --enable-win32-registry enable registry lookup (default)
1088 --enable-win32-registry=KEY
1089 use KEY instead of GCC version as the last portion
1090 of the registry key],,)
1092 win32 | pe | cygwin* | mingw32* | uwin*)
1093 AC_MSG_CHECKING(whether windows registry support is requested)
1094 if test "x$enable_win32_registry" != xno; then
1095 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1096 [Define to 1 if installation paths should be looked up in Windows32
1097 Registry. Ignored on non windows32 hosts.])
1099 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1104 # Check if user specified a different registry key.
1105 case "x${enable_win32_registry}" in
1108 gcc_cv_win32_registry_key="$VERSION"
1111 # no registry lookup.
1112 gcc_cv_win32_registry_key=''
1115 # user-specified key.
1116 gcc_cv_win32_registry_key="$enable_win32_registry"
1120 if test "x$enable_win32_registry" != xno; then
1121 AC_MSG_CHECKING(registry key on windows hosts)
1122 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1123 [Define to be the last portion of registry key on windows hosts.])
1124 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1129 # Get an absolute path to the GCC top-level source directory
1130 holddir=`${PWDCMD-pwd}`
1132 topdir=`${PWDCMD-pwd}`
1135 # Conditionalize the makefile for this host machine.
1136 # Make-host contains the concatenation of all host makefile fragments
1137 # [there can be more than one]. This file is built by configure.frag.
1138 host_overrides=Make-host
1139 dep_host_xmake_file=
1140 for f in .. ${host_xmake_file}
1142 if test -f ${srcdir}/config/$f
1144 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1148 # Conditionalize the makefile for this target machine.
1149 # Make-target contains the concatenation of all host makefile fragments
1150 # [there can be more than one]. This file is built by configure.frag.
1151 target_overrides=Make-target
1153 for f in .. ${tmake_file}
1155 if test -f ${srcdir}/config/$f
1157 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1161 # If the host doesn't support symlinks, modify CC in
1162 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1163 # Otherwise, we can use "CC=$(CC)".
1165 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1167 cc_set_by_configure="\$(CC)"
1168 quoted_cc_set_by_configure="\$(CC)"
1169 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1170 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1173 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1175 symbolic_link="cp -p"
1179 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1180 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1181 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1182 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1186 out_object_file=`basename $out_file .c`.o
1189 for f in $tm_file; do
1192 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1194 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1195 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1200 for f in $tm_p_file; do
1203 tm_p_file_list="${tm_p_file_list} $f" ;;
1204 *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;;
1209 for f in $host_xm_file; do
1212 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1214 host_xm_file_list="${host_xm_file_list} $f" ;;
1216 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1217 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1222 for f in $build_xm_file; do
1225 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1226 auto-build.h | auto-host.h )
1227 build_xm_file_list="${build_xm_file_list} $f" ;;
1229 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1230 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1234 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1235 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1236 CROSS= AC_SUBST(CROSS)
1237 ALL=all.internal AC_SUBST(ALL)
1238 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1239 if test x$host != x$target
1241 CROSS="-DCROSS_COMPILE"
1243 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1244 case "$host","$target" in
1245 i?86-*-*,x86_64-*-* \
1246 | powerpc*-*-*,powerpc64*-*-*)
1247 CROSS="$CROSS -DNATIVE_CROSS" ;;
1251 # If this is a cross-compiler that does not
1252 # have its own set of headers then define
1255 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1256 # This prevents libgcc2 from containing any code which requires libc
1259 if { test x$host != x$target && test "x$with_headers" = x &&
1260 test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then
1261 inhibit_libc=-Dinhibit_libc
1263 AC_SUBST(inhibit_libc)
1265 # When building gcc with a cross-compiler, we need to adjust things so
1266 # that the generator programs are still built with the native compiler.
1267 # Also, we cannot run fixincludes or fix-header.
1269 # These are the normal (build=host) settings:
1270 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1271 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1272 BUILD_CC='$(CC)' AC_SUBST(BUILD_CC)
1273 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1275 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1276 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1278 # And these apply if build != host.
1279 if test x$build != x$host
1282 BUILD_PREFIX_1=build-
1283 BUILD_CC='$(CC_FOR_BUILD)'
1284 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1290 # Expand extra_headers to include complete path.
1291 # This substitutes for lots of t-* files.
1293 if test "x$extra_headers" = x
1296 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1297 for file in $extra_headers;
1299 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1303 if test x$use_collect2 = xno; then
1307 # Add a definition of USE_COLLECT2 if system wants one.
1308 if test x$use_collect2 != x
1310 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1311 xm_defines="${xm_defines} USE_COLLECT2"
1314 # If we have gas in the build tree, make a link to it.
1315 if test -f ../gas/Makefile; then
1316 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1319 # If we have nm and objdump in the build tree, make a link to them.
1320 if test -f ../binutils/Makefile; then
1321 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1322 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1325 # If we have ld in the build tree, make a link to it.
1326 if test -f ../ld/Makefile; then
1327 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1330 # Figure out what assembler we will be using.
1331 AC_MSG_CHECKING(what assembler to use)
1333 gcc_cv_gas_major_version=
1334 gcc_cv_gas_minor_version=
1335 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1336 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1337 if test -x "$DEFAULT_ASSEMBLER"; then
1338 gcc_cv_as="$DEFAULT_ASSEMBLER"
1339 elif test -x "$AS"; then
1341 elif test -x as$host_exeext; then
1342 # Build using assembler in the current directory.
1343 gcc_cv_as=./as$host_exeext
1344 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1345 # Single tree build which includes gas.
1346 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
1349 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1351 if test x$gcc_cv_gas_version != x; then
1356 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1357 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1358 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1362 if test "x$gcc_cv_as" = x; then
1363 # Search the same directories that the installed compiler will
1364 # search. Else we may find the wrong assembler and lose. If we
1365 # do not find a suitable assembler binary, then try the user's
1368 # Also note we have to check MD_EXEC_PREFIX before checking the
1369 # user's path. Unfortunately, there is no good way to get at the
1370 # value of MD_EXEC_PREFIX here. So we do a brute force search
1371 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1372 # to be fixed as part of the make/configure rewrite too.
1374 if test "x$exec_prefix" = xNONE; then
1375 if test "x$prefix" = xNONE; then
1376 test_prefix=/usr/local
1381 test_prefix=$exec_prefix
1384 # If the loop below does not find an assembler, then use whatever
1385 # one we can find in the users's path.
1387 if test "x$program_prefix" != xNONE; then
1388 gcc_cv_as=${program_prefix}as$host_exeext
1390 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1393 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1394 $test_prefix/lib/gcc-lib/$target_alias \
1395 /usr/lib/gcc/$target_alias/$gcc_version \
1396 /usr/lib/gcc/$target_alias \
1397 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1398 $test_prefix/$target_alias/bin"
1400 if test x$host = x$target; then
1401 test_dirs="$test_dirs \
1406 /bsd43/usr/lib/cmplrs/cc \
1407 /usr/cross64/usr/bin \
1408 /usr/lib/cmplrs/cc \
1409 /sysv/usr/lib/cmplrs/cc \
1410 /svr4/usr/lib/cmplrs/cc \
1414 for dir in $test_dirs; do
1415 if test -x $dir/as$host_exeext; then
1416 gcc_cv_as=$dir/as$host_exeext
1421 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1422 AC_MSG_RESULT("newly built gas")
1424 AC_MSG_RESULT($gcc_cv_as)
1427 # Figure out what linker we will be using.
1428 AC_MSG_CHECKING(what linker to use)
1430 gcc_cv_gld_major_version=
1431 gcc_cv_gld_minor_version=
1432 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1433 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1434 if test -x "$DEFAULT_LINKER"; then
1435 gcc_cv_ld="$DEFAULT_LINKER"
1436 elif test -x "$LD"; then
1438 elif test -x ld$host_exeext; then
1439 # Build using linker in the current directory.
1440 gcc_cv_ld=./ld$host_exeext
1441 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1442 # Single tree build which includes ld.
1443 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
1446 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1448 if test x$gcc_cv_gld_version != x; then
1453 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1454 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1458 if test "x$gcc_cv_ld" = x; then
1459 # Search the same directories that the installed compiler will
1460 # search. Else we may find the wrong linker and lose. If we
1461 # do not find a suitable linker binary, then try the user's
1464 # Also note we have to check MD_EXEC_PREFIX before checking the
1465 # user's path. Unfortunately, there is no good way to get at the
1466 # value of MD_EXEC_PREFIX here. So we do a brute force search
1467 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1468 # to be fixed as part of the make/configure rewrite too.
1470 if test "x$exec_prefix" = xNONE; then
1471 if test "x$prefix" = xNONE; then
1472 test_prefix=/usr/local
1477 test_prefix=$exec_prefix
1480 # If the loop below does not find an linker, then use whatever
1481 # one we can find in the users's path.
1483 if test "x$program_prefix" != xNONE; then
1484 gcc_cv_ld=${program_prefix}ld$host_exeext
1486 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1489 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1490 $test_prefix/lib/gcc-lib/$target_alias \
1491 /usr/lib/gcc/$target_alias/$gcc_version \
1492 /usr/lib/gcc/$target_alias \
1493 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1494 $test_prefix/$target_alias/bin"
1496 if test x$host = x$target; then
1497 test_dirs="$test_dirs \
1502 /bsd43/usr/lib/cmplrs/cc \
1503 /usr/cross64/usr/bin \
1504 /usr/lib/cmplrs/cc \
1505 /sysv/usr/lib/cmplrs/cc \
1506 /svr4/usr/lib/cmplrs/cc \
1510 for dir in $test_dirs; do
1511 if test -x $dir/ld$host_exeext; then
1512 gcc_cv_ld=$dir/ld$host_exeext
1517 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1518 AC_MSG_RESULT("newly built ld")
1520 AC_MSG_RESULT($gcc_cv_ld)
1523 # Figure out what nm we will be using.
1524 AC_MSG_CHECKING(what nm to use)
1525 if test -x nm$host_exeext; then
1526 gcc_cv_nm=./nm$host_exeext
1527 elif test "x$program_prefix" != xNONE; then
1528 gcc_cv_nm=${program_prefix}nm$host_exeext
1530 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1532 AC_MSG_RESULT($gcc_cv_nm)
1534 # Figure out what objdump we will be using.
1535 AC_MSG_CHECKING(what objdump to use)
1536 if test -x objdump$host_exeext; then
1537 gcc_cv_objdump=./objdump$host_exeext
1538 elif test "x$program_prefix" != xNONE; then
1539 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1541 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1543 AC_MSG_RESULT($gcc_cv_objdump)
1545 # Figure out what assembler alignment features are present.
1546 AC_MSG_CHECKING(assembler alignment features)
1547 gcc_cv_as_alignment_features=none
1548 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1549 # Gas version 2.6 and later support for .balign and .p2align.
1550 # bytes to skip when using .p2align.
1551 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1552 gcc_cv_as_alignment_features=".balign and .p2align"
1553 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1555 # Gas version 2.8 and later support specifying the maximum
1556 # bytes to skip when using .p2align.
1557 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1558 gcc_cv_as_alignment_features=".p2align including maximum skip"
1559 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1561 elif test x$gcc_cv_as != x; then
1562 # Check if we have .balign and .p2align
1563 echo ".balign 4" > conftest.s
1564 echo ".p2align 2" >> conftest.s
1565 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1566 gcc_cv_as_alignment_features=".balign and .p2align"
1567 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1569 rm -f conftest.s conftest.o
1570 # Check if specifying the maximum bytes to skip when
1571 # using .p2align is supported.
1572 echo ".p2align 4,,7" > conftest.s
1573 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1574 gcc_cv_as_alignment_features=".p2align including maximum skip"
1575 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1577 rm -f conftest.s conftest.o
1579 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1581 AC_MSG_CHECKING(assembler subsection support)
1582 gcc_cv_as_subsections=no
1583 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1584 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1585 gcc_cv_as_subsections="working .subsection -1"
1587 elif test x$gcc_cv_as != x; then
1588 # Check if we have .subsection
1589 echo ".subsection 1" > conftest.s
1590 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1591 gcc_cv_as_subsections=".subsection"
1592 if test x$gcc_cv_nm != x; then
1593 cat > conftest.s <<EOF
1594 conftest_label1: .word 0
1596 conftest_label2: .word 0
1599 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1600 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1601 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1602 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1605 gcc_cv_as_subsections="working .subsection -1"
1610 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1612 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1613 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1614 [Define if your assembler supports .subsection and .subsection -1 starts
1615 emitting at the beginning of your section.])
1617 AC_MSG_RESULT($gcc_cv_as_subsections)
1619 AC_MSG_CHECKING(assembler weak support)
1621 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1622 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1623 gcc_cv_as_weak="yes"
1625 elif test x$gcc_cv_as != x; then
1626 # Check if we have .weak
1627 echo " .weak foobar" > conftest.s
1628 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1629 gcc_cv_as_weak="yes"
1631 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1633 if test x"$gcc_cv_as_weak" = xyes; then
1634 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1636 AC_MSG_RESULT($gcc_cv_as_weak)
1638 AC_MSG_CHECKING(assembler hidden support)
1640 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1641 if test "$gcc_cv_gas_major_version" -eq 2 \
1642 -a "$gcc_cv_gas_minor_version" -eq 12 \
1643 -a "$gcc_cv_gas_patch_version" -ge 1 \
1644 -o "$gcc_cv_gas_major_version" -eq 2 \
1645 -a "$gcc_cv_gas_minor_version" -gt 12 \
1646 -o "$gcc_cv_gas_major_version" -gt 2 \
1647 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1648 gcc_cv_as_hidden="yes"
1650 elif test x$gcc_cv_as != x; then
1651 # Check if we have .hidden
1652 echo " .hidden foobar" > conftest.s
1653 echo "foobar:" >> conftest.s
1654 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1655 gcc_cv_as_hidden="yes"
1657 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1659 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1660 # This is irritatingly difficult to feature test for. Look for
1661 # the date string after the version number.
1662 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1663 if echo "$ld_ver" | grep GNU > /dev/null; then
1665 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1666 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1667 if test 0"$ld_date" -lt 20020404; then
1668 if test -n "$ld_date"; then
1669 # If there was date string, but was earlier than 2002-04-04, fail
1670 gcc_cv_as_hidden="no"
1671 elif test -z "$ld_vers"; then
1672 # If there was no date string nor ld version number, something is wrong
1673 gcc_cv_as_hidden="no"
1675 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1676 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1677 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1678 test -z "$ld_vers_patch" && ld_vers_patch=0
1679 if test "$ld_vers_major" -lt 2; then
1680 gcc_cv_as_hidden="no"
1681 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1682 gcc_cv_as_hidden="no"
1683 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1684 -a "$ld_vers_patch" -eq 0; then
1685 gcc_cv_as_hidden="no"
1692 if test x"$gcc_cv_as_hidden" = xyes; then
1693 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1694 [Define if your assembler supports .hidden.])
1696 AC_MSG_RESULT($gcc_cv_as_hidden)
1697 libgcc_visibility=$gcc_cv_as_hidden
1700 if test x"$gnu_ld_flag" = x"no"; then
1701 # Even if using gas with .hidden support, the resulting object files
1702 # cannot be linked with the IRIX 6 O32 linker. With the N32 and
1703 # N64 linkers, the problem is that the linker refuses to accept
1704 # -call_shared (passed by default to the linker) and -r (used to
1705 # link the object file generated without .hidden directives with
1706 # one that hides symbols), so we also lose.
1707 libgcc_visibility=no
1711 AC_SUBST(libgcc_visibility)
1713 AC_MSG_CHECKING(assembler leb128 support)
1715 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1716 if test "$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
1717 gcc_cv_as_leb128="yes"
1719 elif test x$gcc_cv_as != x; then
1720 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1721 cat > conftest.s <<EOF
1729 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1730 gcc_cv_as_leb128="yes"
1732 # GAS versions before 2.11 do not support uleb128,
1733 # despite appearing to.
1734 # ??? There exists an elf-specific test that will crash
1735 # the assembler. Perhaps it's better to figure out whether
1736 # arbitrary sections are supported and try the test.
1737 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1738 if echo "$as_ver" | grep GNU > /dev/null; then
1740 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1741 as_major=`echo $as_ver | sed 's/\..*//'`
1742 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1744 if test $as_major -eq 2 -a $as_minor -lt 11; then
1745 gcc_cv_as_leb128="no"
1749 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1751 if test x"$gcc_cv_as_leb128" = xyes; then
1752 AC_DEFINE(HAVE_AS_LEB128, 1,
1753 [Define if your assembler supports .uleb128.])
1755 AC_MSG_RESULT($gcc_cv_as_leb128)
1757 AC_MSG_CHECKING(assembler eh_frame optimization)
1758 gcc_cv_as_eh_frame=no
1759 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1760 if test "$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
1761 gcc_cv_as_eh_frame="yes"
1763 elif test x$gcc_cv_as != x; then
1764 # Check if this is GAS.
1765 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1766 rm -f a.out 2> /dev/null
1767 if echo "$as_ver" | grep GNU > /dev/null; then
1768 # Versions up to and including 2.11.0 may mis-optimize
1769 # .eh_frame data. Try something.
1770 cat > conftest.s <<EOF
1777 .section .eh_frame,"aw",@progbits
1779 .4byte .LECIE1-.LSCIE1
1793 .4byte .LEFDE1-.LASFDE1
1795 .4byte .LASFDE1-__FRAME_BEGIN__
1804 cat > conftest.lit <<EOF
1805 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1806 0010 01000000 12000000 18000000 00000000 ................
1807 0020 08000000 04080000 0044 .........D
1809 cat > conftest.big <<EOF
1810 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1811 0010 00000001 00000012 00000018 00000000 ................
1812 0020 00000008 04000000 0844 .........D
1814 # If the assembler didn't choke, and we can objdump,
1815 # and we got the correct data, then succeed.
1816 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1817 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1818 | tail -3 > conftest.got \
1819 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1820 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1822 gcc_cv_as_eh_frame="yes"
1824 gcc_cv_as_eh_frame="bad"
1825 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1826 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1827 [Define if your assembler mis-optimizes .eh_frame data.])
1833 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1835 AC_MSG_CHECKING(assembler section merging support)
1836 gcc_cv_as_shf_merge=no
1837 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1838 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1839 gcc_cv_as_shf_merge=yes
1841 elif test x$gcc_cv_as != x; then
1842 # Check if we support SHF_MERGE sections
1843 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1844 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1845 gcc_cv_as_shf_merge=yes
1847 rm -f conftest.s conftest.o
1849 if test x"$gcc_cv_as_shf_merge" = xyes; then
1850 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1851 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1853 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1855 AC_MSG_CHECKING(assembler thread-local storage support)
1864 .section ".tdata","awT",@progbits
1867 ldq $27,__tls_get_addr($29) !literal!1
1868 lda $16,foo($29) !tlsgd!1
1869 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1870 ldq $27,__tls_get_addr($29) !literal!2
1871 lda $16,foo($29) !tlsldm!2
1872 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1873 ldq $1,foo($29) !gotdtprel
1874 ldah $2,foo($29) !dtprelhi
1875 lda $3,foo($2) !dtprello
1876 lda $4,foo($29) !dtprel
1877 ldq $1,foo($29) !gottprel
1878 ldah $2,foo($29) !tprelhi
1879 lda $3,foo($2) !tprello
1880 lda $4,foo($29) !tprel'
1887 .section ".tdata","awT",@progbits
1891 leal foo@TLSGD(,%ebx,1), %eax
1892 leal foo@TLSLDM(%ebx), %eax
1893 leal foo@DTPOFF(%eax), %edx
1894 movl foo@GOTTPOFF(%ebx), %eax
1895 subl foo@GOTTPOFF(%ebx), %eax
1896 addl foo@GOTNTPOFF(%ebx), %eax
1897 movl foo@INDNTPOFF, %eax
1898 movl $foo@TPOFF, %eax
1899 subl $foo@TPOFF, %eax
1900 leal foo@NTPOFF(%ecx), %eax'
1906 .section ".tdata","awT",@progbits
1910 leaq foo@TLSGD(%rip), %rdi
1911 leaq foo@TLSLD(%rip), %rdi
1912 leaq foo@DTPOFF(%rax), %rdx
1913 movq foo@GOTTPOFF(%rip), %rax
1914 movq $foo@TPOFF, %rax'
1920 .section ".tdata","awT",@progbits
1923 addl r16 = @ltoff(@dtpmod(foo#)), gp
1924 addl r17 = @ltoff(@dtprel(foo#)), gp
1925 addl r18 = @ltoff(@tprel(foo#)), gp
1926 addl r19 = @dtprel(foo#), gp
1927 adds r21 = @dtprel(foo#), r13
1928 movl r23 = @dtprel(foo#)
1929 addl r20 = @tprel(foo#), gp
1930 adds r22 = @tprel(foo#), r13
1931 movl r24 = @tprel(foo#)'
1936 if test -z "$tls_first_major"; then
1938 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1940 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1941 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1942 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1945 elif test x$gcc_cv_as != x; then
1946 echo "$conftest_s" > conftest.s
1947 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1951 rm -f conftest.s conftest.o
1953 if test "$gcc_cv_as_tls" = yes; then
1954 AC_DEFINE(HAVE_AS_TLS, 1,
1955 [Define if your assembler supports thread-local storage.])
1957 AC_MSG_RESULT($gcc_cv_as_tls)
1960 # All TARGET_ABI_OSF targets.
1961 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1962 AC_CACHE_CHECK([assembler supports explicit relocations],
1963 gcc_cv_as_explicit_relocs, [
1964 gcc_cv_as_explicit_relocs=unknown
1965 if test x$gcc_cv_gas_major_version != x \
1966 -a x$gcc_cv_gas_minor_version != x
1968 if test "$gcc_cv_gas_major_version" -eq 2 \
1969 -a "$gcc_cv_gas_minor_version" -ge 12 \
1970 -o "$gcc_cv_gas_major_version" -gt 2; then
1971 gcc_cv_as_explicit_relocs=yes
1973 elif test x$gcc_cv_as != x; then
1974 cat > conftest.s << 'EOF'
1977 extbl $3, $2, $3 !lituse_bytoff!1
1978 ldq $2, a($29) !literal!1
1979 ldq $4, b($29) !literal!2
1980 ldq_u $3, 0($2) !lituse_base!1
1981 ldq $27, f($29) !literal!5
1982 jsr $26, ($27), f !lituse_jsr!5
1983 ldah $29, 0($26) !gpdisp!3
1984 lda $0, c($29) !gprel
1985 ldah $1, d($29) !gprelhigh
1986 lda $1, d($1) !gprellow
1987 lda $29, 0($29) !gpdisp!3
1989 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1990 gcc_cv_as_explicit_relocs=yes
1992 gcc_cv_as_explicit_relocs=no
1994 rm -f conftest.s conftest.o
1997 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1998 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1999 [Define if your assembler supports explicit relocations.])
2003 AC_CACHE_CHECK([assembler .register pseudo-op support],
2004 gcc_cv_as_register_pseudo_op, [
2005 gcc_cv_as_register_pseudo_op=unknown
2006 if test x$gcc_cv_as != x; then
2007 # Check if we have .register
2008 echo ".register %g2, #scratch" > conftest.s
2009 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2010 gcc_cv_as_register_pseudo_op=yes
2012 gcc_cv_as_register_pseudo_op=no
2014 rm -f conftest.s conftest.o
2017 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
2018 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2019 [Define if your assembler supports .register.])
2022 AC_CACHE_CHECK([assembler supports -relax],
2023 gcc_cv_as_relax_opt, [
2024 gcc_cv_as_relax_opt=unknown
2025 if test x$gcc_cv_as != x; then
2026 # Check if gas supports -relax
2027 echo ".text" > conftest.s
2028 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
2029 gcc_cv_as_relax_opt=yes
2031 gcc_cv_as_relax_opt=no
2033 rm -f conftest.s conftest.o
2036 if test "x$gcc_cv_as_relax_opt" = xyes; then
2037 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2038 [Define if your assembler supports -relax option.])
2041 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
2042 gcc_cv_as_sparc_ua_pcrel, [
2043 gcc_cv_as_sparc_ua_pcrel=unknown
2044 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
2045 gcc_cv_as_sparc_ua_pcrel=no
2046 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
2047 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2048 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2049 gcc_cv_as_sparc_ua_pcrel=yes
2051 rm -f conftest.s conftest.o conftest
2054 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2055 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2056 [Define if your assembler and linker support unaligned PC relative relocs.])
2059 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
2060 gcc_cv_as_sparc_ua_pcrel_hidden, [
2061 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2062 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
2063 if test x$gcc_cv_objdump != x; then
2064 gcc_cv_as_sparc_ua_pcrel_hidden=no
2065 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
2066 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
2067 echo "foo: .skip 4" >> conftest.s
2068 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2069 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2070 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2071 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2072 if $gcc_cv_objdump -R conftest 2> /dev/null \
2073 | grep 'DISP32' > /dev/null 2>&1; then
2076 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2080 rm -f conftest.s conftest.o conftest
2082 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
2085 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
2086 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2087 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
2090 AC_CACHE_CHECK([for assembler offsetable %lo() support],
2091 gcc_cv_as_offsetable_lo10, [
2092 gcc_cv_as_offsetable_lo10=unknown
2093 if test "x$gcc_cv_as" != x; then
2094 # Check if assembler has offsetable %lo()
2095 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
2096 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
2097 if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
2099 $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
2100 > /dev/null 2>&1; then
2101 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2102 gcc_cv_as_offsetable_lo10=no
2104 gcc_cv_as_offsetable_lo10=yes
2107 gcc_cv_as_offsetable_lo10=no
2109 rm -f conftest.s conftest.o conftest1.s conftest1.o
2112 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2113 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2114 [Define if your assembler supports offsetable %lo().])
2120 i[34567]86-*-* | x86_64-*-*)
2122 AC_MSG_CHECKING(assembler instructions)
2123 gcc_cv_as_instructions=
2124 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2125 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2126 gcc_cv_as_instructions="filds fists"
2128 elif test x$gcc_cv_as != x; then
2129 set "filds fists" "filds mem; fists mem"
2132 echo "$2" > conftest.s
2133 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2134 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2138 rm -f conftest.s conftest.o
2140 if test x"$gcc_cv_as_instructions" != x; then
2141 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2143 AC_MSG_RESULT($gcc_cv_as_instructions)
2145 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2146 gcc_cv_as_gotoff_in_data=no
2147 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2149 if test "$gcc_cv_gas_major_version" -eq 2 \
2150 -a "$gcc_cv_gas_minor_version" -ge 11 \
2151 -o "$gcc_cv_gas_major_version" -gt 2; then
2152 gcc_cv_as_gotoff_in_data=yes
2154 elif test x$gcc_cv_as != x; then
2155 cat > conftest.s <<EOF
2162 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2163 gcc_cv_as_gotoff_in_data=yes
2166 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2167 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2168 [Define true if the assembler supports '.long foo@GOTOFF'.])
2169 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2173 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2174 gcc_cv_as_dwarf2_debug_line=no
2175 # ??? Not all targets support dwarf2 debug_line, even within a version
2176 # of gas. Moreover, we need to emit a valid instruction to trigger any
2177 # info to the output file. So, as supported targets are added to gas 2.11,
2178 # add some instruction here to (also) show we expect this might work.
2179 # ??? Once 2.11 is released, probably need to add first known working
2180 # version to the per-target configury.
2182 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2183 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*)
2190 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2192 if test "$gcc_cv_gas_major_version" -eq 2 \
2193 -a "$gcc_cv_gas_minor_version" -ge 11 \
2194 -o "$gcc_cv_gas_major_version" -gt 2 \
2195 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2196 && test x"$insn" != x ; then
2197 gcc_cv_as_dwarf2_debug_line="yes"
2199 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2200 echo ' .file 1 "conftest.s"' > conftest.s
2201 echo ' .loc 1 3 0' >> conftest.s
2202 echo " $insn" >> conftest.s
2203 # ??? This fails with non-gnu grep.
2204 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2205 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2206 # The .debug_line file table must be in the exact order that
2207 # we specified the files, since these indices are also used
2208 # by DW_AT_decl_file. Approximate this test by testing if
2209 # the assembler bitches if the same index is assigned twice.
2210 echo ' .file 1 "foo.s"' > conftest.s
2211 echo ' .file 1 "bar.s"' >> conftest.s
2212 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2214 gcc_cv_as_dwarf2_debug_line="no"
2216 gcc_cv_as_dwarf2_debug_line="yes"
2219 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2221 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2222 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2223 [Define if your assembler supports dwarf2 .file/.loc directives,
2224 and preserves file table indices exactly as given.])
2226 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2228 AC_MSG_CHECKING(assembler --gdwarf2 support)
2229 gcc_cv_as_gdwarf2_flag=no
2230 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2232 if test "$gcc_cv_gas_major_version" -eq 2 \
2233 -a "$gcc_cv_gas_minor_version" -ge 11 \
2234 -o "$gcc_cv_gas_major_version" -gt 2 \
2235 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2236 && test x"$insn" != x ; then
2237 gcc_cv_as_gdwarf2_flag="yes"
2239 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2240 echo '' > conftest.s
2241 # ??? This fails with non-gnu grep.
2242 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2244 gcc_cv_as_gdwarf2_flag="yes"
2246 rm -f conftest.s conftest.o
2248 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2249 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2250 [Define if your assembler supports the --gdwarf2 option.])
2252 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2254 AC_MSG_CHECKING(assembler --gstabs support)
2255 gcc_cv_as_gstabs_flag=no
2256 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2258 if test "$gcc_cv_gas_major_version" -eq 2 \
2259 -a "$gcc_cv_gas_minor_version" -ge 11 \
2260 -o "$gcc_cv_gas_major_version" -gt 2 \
2261 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2262 && test x"$insn" != x ; then
2263 gcc_cv_as_gstabs_flag="yes"
2265 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2266 echo '' > conftest.s
2267 # ??? This fails with non-gnu grep.
2268 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2269 gcc_cv_as_gstabs_flag="yes"
2271 rm -f conftest.s conftest.o
2273 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2274 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2275 [Define if your assembler supports the --gstabs option.])
2277 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2279 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2280 gcc_cv_ld_ro_rw_mix=unknown
2281 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2282 if test "$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
2283 gcc_cv_ld_ro_rw_mix=read-write
2285 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2286 echo '.section "myfoosect", "a"' > conftest1.s
2287 echo '.section "myfoosect", "aw"' > conftest2.s
2288 echo '.byte 1' >> conftest2.s
2289 echo '.section "myfoosect", "a"' > conftest3.s
2290 echo '.byte 0' >> conftest3.s
2291 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2292 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2293 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2294 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2295 conftest2.o conftest3.o; then
2296 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2297 | grep -A1 myfoosect`
2298 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2299 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2300 gcc_cv_ld_ro_rw_mix=read-only
2302 gcc_cv_ld_ro_rw_mix=read-write
2307 rm -f conftest.* conftest[123].*
2310 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2311 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2312 [Define if your linker links a mix of read-only
2313 and read-write sections into a read-write section.])
2315 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2317 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2318 gcc_cv_ld_eh_frame_hdr=no
2319 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2320 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
2321 gcc_cv_ld_eh_frame_hdr=yes
2323 elif test x$gcc_cv_ld != x; then
2324 # Check if linker supports --eh-frame-hdr option
2325 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2326 gcc_cv_ld_eh_frame_hdr=yes
2329 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2330 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2331 [Define if your linker supports --eh-frame-hdr option.])
2333 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2335 # Miscellaneous target-specific checks.
2338 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2339 gcc_cv_mips_libgloss_startup=no
2340 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2341 if test "x$exec_prefix" = xNONE; then
2342 if test "x$prefix" = xNONE; then
2343 test_prefix=/usr/local
2348 test_prefix=$exec_prefix
2350 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2352 if grep '^STARTUP' $f > /dev/null 2>&1; then
2353 gcc_cv_mips_libgloss_startup=yes
2357 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2358 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2359 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2361 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2365 if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2366 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2369 # Figure out what language subdirectories are present.
2370 # Look if the user specified --enable-languages="..."; if not, use
2371 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2373 # NB: embedded tabs in this IF block -- do not untabify
2374 if test x"${enable_languages+set}" != xset; then
2375 if test x"${LANGUAGES+set}" = xset; then
2376 enable_languages="${LANGUAGES}"
2377 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2380 enable_languages=all
2383 if test x"${enable_languages}" = x \
2384 || test x"${enable_languages}" = xyes;
2386 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2389 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2391 # First scan to see if an enabled language requires some other language.
2392 # We assume that a given config-lang.in will list all the language
2393 # front ends it requires, even if some are required indirectly.
2394 for lang in ${srcdir}/*/config-lang.in ..
2399 # The odd quoting in the next line works around
2400 # an apparent bug in bash 1.12 on linux.
2402 ${srcdir}/[*]/config-lang.in)
2405 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2406 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2407 for other in $this_lang_requires
2409 case ,${enable_languages}, in
2415 enable_languages="$enable_languages,$other"
2424 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2427 for lang in ${srcdir}/*/config-lang.in ..
2431 # The odd quoting in the next line works around
2432 # an apparent bug in bash 1.12 on linux.
2434 ${srcdir}/[*]/config-lang.in) ;;
2436 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2437 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2438 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2439 if test "x$lang_alias" = x
2441 echo "$lang doesn't set \$language." 1>&2
2444 case ${build_by_default},${enable_languages}, in
2445 *,$lang_alias,*) add_this_lang=yes ;;
2446 no,*) add_this_lang=no ;;
2447 *,all,*) add_this_lang=yes ;;
2448 *) add_this_lang=no ;;
2450 found_languages="${found_languages} ${lang_alias}"
2451 if test x"${add_this_lang}" = xyes; then
2453 ${srcdir}/ada/config-lang.in)
2454 if test x$have_gnat = xyes ; then
2455 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2459 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2469 for expected_language in ${expected_languages} ..
2471 if test "${expected_language}" != ..; then
2472 missing_language="${expected_language}"
2473 if test "${expected_language}" = "c" \
2474 || test "${expected_language}" = "all"; then
2477 for found_language in ${found_languages} ..
2479 if test "${found_language}" != ..; then
2480 if test "${expected_language}" = "${found_language}"; then
2485 if test "x${missing_language}" != x; then
2486 missing_languages="${missing_languages} ${missing_language}"
2491 if test "x$missing_languages" != x; then
2493 The following requested languages were not found:${missing_languages}
2494 The following languages were available: c${found_languages}])
2497 # Make gthr-default.h if we have a thread file.
2499 if test $thread_file != single; then
2500 rm -f gthr-default.h
2501 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2502 gthread_flags=-DHAVE_GTHR_DEFAULT
2504 AC_SUBST(gthread_flags)
2506 # Find out what GC implementation we want, or may, use.
2508 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2515 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2520 echo "Using $GGC for garbage collection."
2522 # Use the system's zlib library.
2524 zlibinc="-I\$(srcdir)/../zlib"
2525 AC_ARG_WITH(system-zlib,
2526 [ --with-system-zlib use installed libz],
2533 dnl Very limited version of automake's enable-maintainer-mode
2535 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2536 dnl maintainer-mode is disabled by default
2537 AC_ARG_ENABLE(maintainer-mode,
2538 [ --enable-maintainer-mode
2539 enable make rules and dependencies not useful
2540 (and sometimes confusing) to the casual installer],
2541 maintainer_mode=$enableval,
2544 AC_MSG_RESULT($maintainer_mode)
2546 if test "$maintainer_mode" = "yes"; then
2553 # Make empty files to contain the specs and options for each language.
2554 # Then add #include lines to for a compiler that has specs and/or options.
2559 for subdir in . $subdirs
2561 if test -f $srcdir/$subdir/lang-specs.h; then
2562 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2564 if test -f $srcdir/$subdir/lang-options.h; then
2565 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2567 if test -f $srcdir/$subdir/$subdir-tree.def; then
2568 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2572 # These (without "all_") are set in each config-lang.in.
2573 # `language' must be a single word so is spelled singularly.
2578 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2579 # List of language makefile fragments.
2581 # Files for gengtype
2582 all_gtfiles="$target_gtfiles"
2583 # Files for gengtype with language
2584 all_gtfiles_files_langs=
2585 all_gtfiles_files_files=
2587 # Add the language fragments.
2588 # Languages are added via two mechanisms. Some information must be
2589 # recorded in makefile variables, these are defined in config-lang.in.
2590 # We accumulate them and plug them into the main Makefile.
2591 # The other mechanism is a set of hooks for each of the main targets
2592 # like `clean', `install', etc.
2594 language_fragments="Make-lang"
2595 language_hooks="Make-hooks"
2597 for s in .. $subdirs
2607 . ${srcdir}/$s/config-lang.in
2608 if test "x$language" = x
2610 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2613 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2614 if test -f ${srcdir}/$s/Makefile.in
2615 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2617 all_languages="$all_languages $language"
2618 if test "x$boot_language" = xyes
2620 all_boot_languages="$all_boot_languages $language"
2622 all_compilers="$all_compilers $compilers"
2623 all_stagestuff="$all_stagestuff $stagestuff"
2624 all_outputs="$all_outputs $outputs"
2625 all_gtfiles="$all_gtfiles $gtfiles"
2626 for f in .. $gtfiles
2630 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2631 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2637 # Pick up gtfiles for c
2640 . ${srcdir}/c-config-lang.in
2641 all_gtfiles="$all_gtfiles $gtfiles"
2642 for f in .. $gtfiles
2646 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2647 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2652 for language in .. $all_languages
2654 if test $language != ".."
2656 check_languages="$check_languages check-$language"
2660 # Since we can't use `::' targets, we link each language in
2661 # with a set of hooks, reached indirectly via lang.${target}.
2665 target_list="all.build all.cross start.encap rest.encap \
2666 info dvi generated-manpages \
2667 install-normal install-common install-info install-man \
2669 mostlyclean clean distclean extraclean maintainer-clean \
2670 stage1 stage2 stage3 stage4"
2671 for t in $target_list
2674 for lang in .. $all_languages
2676 if test $lang != ".."; then
2680 echo "lang.$t: $x" >> Make-hooks
2685 echo "dir ." > .gdbinit
2686 echo "dir ${srcdir}" >> .gdbinit
2687 if test x$gdb_needs_out_file_path = xyes
2689 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2691 if test "x$subdirs" != x; then
2694 echo "dir ${srcdir}/$s" >> .gdbinit
2697 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2699 # Define variables host_canonical and build_canonical
2700 # because some Cygnus local changes in the Makefile depend on them.
2701 build_canonical=${build}
2702 host_canonical=${host}
2704 if test "${host}" != "${target}" ; then
2705 target_subdir=${target_alias}/
2707 AC_SUBST(build_canonical)
2708 AC_SUBST(host_canonical)
2709 AC_SUBST(target_subdir)
2711 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2712 # absolute path for gcc_tooldir based on inserting the number of up-directory
2713 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2714 # $(libsubdir)/@(unlibsubdir) based path.
2715 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2716 # make and thus we'd get different behavior depending on where we built the
2718 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2719 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2721 changequote(<<, >>)dnl
2722 # An explanation of the sed strings:
2723 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2724 # -e 's|/$||' match a trailing forward slash and eliminates it
2725 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2726 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2728 # (*) Note this pattern overwrites the first character of the string
2729 # with a forward slash if one is not already present. This is not a
2730 # problem because the exact names of the sub-directories concerned is
2731 # unimportant, just the number of them matters.
2733 # The practical upshot of these patterns is like this:
2735 # prefix exec_prefix result
2736 # ------ ----------- ------
2738 # /foo/ /foo/bar ../
2739 # /foo /foo/bar/ ../
2740 # /foo/ /foo/bar/ ../
2741 # /foo /foo/bar/ugg ../../
2744 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2745 changequote([, ])dnl
2747 AC_SUBST(gcc_tooldir)
2750 # Find a directory in which to install a shared libgcc.
2752 AC_ARG_ENABLE(version-specific-runtime-libs,
2753 [ --enable-version-specific-runtime-libs
2754 specify that runtime libraries should be
2755 installed in a compiler-specific directory])
2757 AC_ARG_WITH(slibdir,
2758 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2759 slibdir="$with_slibdir",
2760 if test "${enable_version_specific_runtime_libs+set}" = set; then
2761 slibdir='$(libsubdir)'
2762 elif test "$host" != "$target"; then
2763 slibdir='$(build_tooldir)/lib'
2769 objdir=`${PWDCMD-pwd}`
2772 # Process the language and host/target makefile fragments.
2773 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2775 # Substitute configuration variables
2778 AC_SUBST(all_boot_languages)
2779 AC_SUBST(all_compilers)
2780 AC_SUBST(all_gtfiles)
2781 AC_SUBST(all_gtfiles_files_langs)
2782 AC_SUBST(all_gtfiles_files_files)
2783 AC_SUBST(all_lang_makefiles)
2784 AC_SUBST(all_languages)
2785 AC_SUBST(all_stagestuff)
2786 AC_SUBST(build_exeext)
2787 AC_SUBST(build_install_headers_dir)
2788 AC_SUBST(build_xm_file_list)
2789 AC_SUBST(build_xm_file)
2790 AC_SUBST(build_xm_defines)
2791 AC_SUBST(check_languages)
2792 AC_SUBST(cc_set_by_configure)
2793 AC_SUBST(quoted_cc_set_by_configure)
2794 AC_SUBST(cpp_install_dir)
2795 AC_SUBST(dep_host_xmake_file)
2796 AC_SUBST(dep_tmake_file)
2797 AC_SUBST(extra_headers_list)
2798 AC_SUBST(extra_objs)
2799 AC_SUBST(extra_parts)
2800 AC_SUBST(extra_passes)
2801 AC_SUBST(extra_programs)
2802 AC_SUBST(float_h_file)
2803 AC_SUBST(gcc_config_arguments)
2804 AC_SUBST(gcc_gxx_include_dir)
2805 AC_SUBST(libstdcxx_incdir)
2806 AC_SUBST(gcc_version)
2807 AC_SUBST(gcc_version_full)
2808 AC_SUBST(gcc_version_trigger)
2809 AC_SUBST(host_exeext)
2810 AC_SUBST(host_extra_gcc_objs)
2811 AC_SUBST(host_xm_file_list)
2812 AC_SUBST(host_xm_file)
2813 AC_SUBST(host_xm_defines)
2815 AC_SUBST(lang_options_files)
2816 AC_SUBST(lang_specs_files)
2817 AC_SUBST(lang_tree_files)
2818 AC_SUBST(local_prefix)
2820 AC_SUBST(objc_boehm_gc)
2822 AC_SUBST(out_object_file)
2823 AC_SUBST(stage_prefix_set_by_configure)
2824 AC_SUBST(quoted_stage_prefix_set_by_configure)
2825 AC_SUBST(symbolic_link)
2826 AC_SUBST(thread_file)
2827 AC_SUBST(tm_file_list)
2829 AC_SUBST(tm_defines)
2830 AC_SUBST(tm_p_file_list)
2833 AC_SUBST(xm_defines)
2834 AC_SUBST(target_alias)
2835 AC_SUBST(c_target_objs)
2836 AC_SUBST(cxx_target_objs)
2837 AC_SUBST(target_cpu_default)
2839 AC_SUBST_FILE(target_overrides)
2840 AC_SUBST_FILE(host_overrides)
2841 AC_SUBST_FILE(language_fragments)
2842 AC_SUBST_FILE(language_hooks)
2844 # Echo that links are built
2845 if test x$host = x$target
2853 if test x$host != x$build
2855 str3=" on a $build system"
2858 if test "x$str2" != x || test "x$str3" != x
2863 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2865 if test "x$str2" != x || test "x$str3" != x
2867 echo " ${str2}${str3}." 1>&2
2870 # Truncate the target if necessary
2871 if test x$host_truncate_target != x; then
2872 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2875 # Configure the subdirectories
2876 # AC_CONFIG_SUBDIRS($subdirs)
2878 # Create the Makefile
2879 # and configure language subdirectories
2880 AC_OUTPUT($all_outputs,
2882 case x$CONFIG_HEADERS in
2883 xauto-host.h:config.in)
2886 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2887 # bootstrapping and the installation procedure can still use
2888 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2889 # FLAGS_TO_PASS has been modified to solve the problem there.
2890 # This is virtually a duplicate of what happens in configure.lang; we do
2891 # an extra check to make sure this only happens if ln -s can be used.
2892 if test "$symbolic_link" = "ln -s"; then
2893 for d in .. ${subdirs} fixinc ; do
2894 if test $d != ..; then
2895 STARTDIR=`${PWDCMD-pwd}`
2897 for t in stage1 stage2 stage3 stage4 include
2900 $symbolic_link ../$t $t 2>/dev/null
2906 # Avoid having to add intl to our include paths.
2907 if test -f intl/libintl.h; then
2908 echo creating libintl.h
2909 echo '#include "intl/libintl.h"' >libintl.h
2913 symbolic_link='$symbolic_link'