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 $gcc_cv_type_clock_t = yes; then
791 AC_DEFINE(HAVE_CLOCK_T, 1,
792 [Define if <time.h> defines clock_t.])
795 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
796 CFLAGS="$saved_CFLAGS"
798 gcc_AC_INITFINI_ARRAY
800 # mkdir takes a single argument on some systems.
801 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
809 # With Setjmp/Longjmp based exception handling.
810 AC_ARG_ENABLE(sjlj-exceptions,
811 [ --enable-sjlj-exceptions
812 arrange to use setjmp/longjmp exception handling],
813 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
814 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
815 [Define 0/1 to force the choice for exception handling model.])])
817 AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
818 # Use libunwind based exception handling.
819 AC_ARG_ENABLE(libunwind-exceptions,
820 [ --enable-libunwind-exceptions force use libunwind for exceptions],
821 use_libunwind_exceptions=$enableval,
822 use_libunwind_exceptions=$use_libunwind_default)
823 if test x"$use_libunwind_exceptions" = xyes; then
824 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
825 [Define if gcc should use -lunwind.])
831 build_install_headers_dir=install-headers-tar
836 host_truncate_target=
839 # Decode the host machine, then the target machine.
840 # For the host machine, we save the xm_file variable as host_xm_file;
841 # then we decode the target machine and forget everything else
842 # that came from the host machine.
843 for machine in $build $host $target; do
844 . ${srcdir}/config.gcc
847 extra_objs="${host_extra_objs} ${extra_objs}"
849 # Default the target-machine variables that were not explicitly set.
850 if test x"$tm_file" = x
851 then tm_file=$cpu_type/$cpu_type.h; fi
853 if test x"$extra_headers" = x
854 then extra_headers=; fi
856 if test x$md_file = x
857 then md_file=$cpu_type/$cpu_type.md; fi
859 if test x$out_file = x
860 then out_file=$cpu_type/$cpu_type.c; fi
862 if test x"$tmake_file" = x
863 then tmake_file=$cpu_type/t-$cpu_type
866 if test x"$dwarf2" = xyes
867 then tm_file="$tm_file tm-dwarf2.h"
870 # Say what files are being used for the output code and MD file.
871 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
872 echo "Using \`$srcdir/config/$md_file' as machine description file."
874 # If any of the xm_file variables contain nonexistent files, warn
875 # about them and drop them.
878 for x in $build_xm_file; do
879 if test -f $srcdir/config/$x
881 else AC_MSG_WARN($srcdir/config/$x does not exist.)
887 for x in $host_xm_file; do
888 if test -f $srcdir/config/$x
890 else AC_MSG_WARN($srcdir/config/$x does not exist.)
896 for x in $xm_file; do
897 if test -f $srcdir/config/$x
899 else AC_MSG_WARN($srcdir/config/$x does not exist.)
905 for f in $tm_file; do
908 if test $count = ax; then
909 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
911 echo "Using the following target machine macro files:"
912 for f in $tm_file; do
913 echo " $srcdir/config/$f"
917 if test x$need_64bit_hwint = xyes; then
918 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
919 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
923 for f in $host_xm_file; do
926 if test $count = a; then
928 elif test $count = ax; then
929 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
931 echo "Using the following host machine macro files:"
932 for f in $host_xm_file; do
933 echo " $srcdir/config/$f"
937 if test "$host_xm_file" != "$build_xm_file"; then
939 for f in $build_xm_file; do
942 if test $count = a; then
944 elif test $count = ax; then
945 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
947 echo "Using the following build machine macro files:"
948 for f in $build_xm_file; do
949 echo " $srcdir/config/$f"
954 if test x$thread_file = x; then
955 if test x$target_thread_file != x; then
956 thread_file=$target_thread_file
962 # Look for a file containing extra machine modes.
963 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
964 extra_modes_file='$(srcdir)'/config/${extra_modes}
965 AC_SUBST(extra_modes_file)
966 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
967 [Define to the name of a file containing a list of extra machine modes
968 for this architecture.])
969 AC_DEFINE(EXTRA_CC_MODES, 1,
970 [Define if the target architecture needs extra machine modes to represent
971 the results of comparisons.])
974 # auto-host.h is the file containing items generated by autoconf and is
975 # the first file included by config.h.
976 # If host=build, it is correct to have bconfig include auto-host.h
977 # as well. If host!=build, we are in error and need to do more
978 # work to find out the build config parameters.
979 if test x$host = x$build
981 build_auto=auto-host.h
984 # We create a subdir, then run autoconf in the subdir.
985 # To prevent recursion we set host and build for the new
986 # invocation of configure to the build for this invocation
993 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
994 *) realsrcdir=../${srcdir};;
996 saved_CFLAGS="${CFLAGS}"
997 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
998 ${realsrcdir}/configure \
999 --target=$target_alias --host=$build_alias --build=$build_alias
1000 CFLAGS="${saved_CFLAGS}"
1002 # We just finished tests for the build machine, so rename
1003 # the file auto-build.h in the gcc directory.
1004 mv auto-host.h ../auto-build.h
1007 build_auto=auto-build.h
1008 FORBUILD=../build-$build_alias
1012 tm_file="${tm_file} defaults.h"
1013 tm_p_file="${tm_p_file} tm-preds.h"
1014 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1015 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1016 xm_file="ansidecl.h ${xm_file}"
1018 # Truncate the target if necessary
1019 if test x$host_truncate_target != x; then
1020 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
1023 # Get the version trigger filename from the toplevel
1024 if test "${with_gcc_version_trigger+set}" = set; then
1025 gcc_version_trigger=$with_gcc_version_trigger
1027 gcc_version_trigger=${srcdir}/version.c
1030 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1031 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1033 # Compile in configure arguments.
1034 if test -f configargs.h ; then
1035 # Being re-configured.
1036 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1037 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1039 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1041 cat > configargs.h <<EOF
1042 /* Generated automatically. */
1043 static const char configuration_arguments[] = "$gcc_config_arguments";
1044 static const char thread_model[] = "$thread_file";
1048 # Internationalization
1050 VERSION="$gcc_version"
1054 # Enable NLS support by default
1056 [ --enable-nls use Native Language Support (default)],
1059 # if cross compiling, disable NLS support.
1060 # It's not worth the trouble, at least for now.
1062 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
1063 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
1069 # Windows32 Registry support for specifying GCC installation paths.
1070 AC_ARG_ENABLE(win32-registry,
1071 [ --disable-win32-registry
1072 disable lookup of installation paths in the
1073 Registry on Windows hosts
1074 --enable-win32-registry enable registry lookup (default)
1075 --enable-win32-registry=KEY
1076 use KEY instead of GCC version as the last portion
1077 of the registry key],,)
1079 win32 | pe | cygwin* | mingw32* | uwin*)
1080 AC_MSG_CHECKING(whether windows registry support is requested)
1081 if test "x$enable_win32_registry" != xno; then
1082 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1083 [Define to 1 if installation paths should be looked up in Windows32
1084 Registry. Ignored on non windows32 hosts.])
1086 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1091 # Check if user specified a different registry key.
1092 case "x${enable_win32_registry}" in
1095 gcc_cv_win32_registry_key="$VERSION"
1098 # no registry lookup.
1099 gcc_cv_win32_registry_key=''
1102 # user-specified key.
1103 gcc_cv_win32_registry_key="$enable_win32_registry"
1107 if test "x$enable_win32_registry" != xno; then
1108 AC_MSG_CHECKING(registry key on windows hosts)
1109 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1110 [Define to be the last portion of registry key on windows hosts.])
1111 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1116 # Get an absolute path to the GCC top-level source directory
1117 holddir=`${PWDCMD-pwd}`
1119 topdir=`${PWDCMD-pwd}`
1122 # Conditionalize the makefile for this host machine.
1123 # Make-host contains the concatenation of all host makefile fragments
1124 # [there can be more than one]. This file is built by configure.frag.
1125 host_overrides=Make-host
1126 dep_host_xmake_file=
1127 for f in .. ${host_xmake_file}
1129 if test -f ${srcdir}/config/$f
1131 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1135 # Conditionalize the makefile for this target machine.
1136 # Make-target contains the concatenation of all host makefile fragments
1137 # [there can be more than one]. This file is built by configure.frag.
1138 target_overrides=Make-target
1140 for f in .. ${tmake_file}
1142 if test -f ${srcdir}/config/$f
1144 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1148 # If the host doesn't support symlinks, modify CC in
1149 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1150 # Otherwise, we can use "CC=$(CC)".
1152 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1154 cc_set_by_configure="\$(CC)"
1155 quoted_cc_set_by_configure="\$(CC)"
1156 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1157 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1160 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1162 symbolic_link="cp -p"
1166 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1167 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1168 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1169 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1173 out_object_file=`basename $out_file .c`.o
1176 for f in $tm_file; do
1179 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1181 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1182 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1187 for f in $tm_p_file; do
1190 tm_p_file_list="${tm_p_file_list} $f" ;;
1191 *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;;
1196 for f in $host_xm_file; do
1199 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1201 host_xm_file_list="${host_xm_file_list} $f" ;;
1203 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1204 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1209 for f in $build_xm_file; do
1212 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1213 auto-build.h | auto-host.h )
1214 build_xm_file_list="${build_xm_file_list} $f" ;;
1216 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1217 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1221 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1222 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1223 CROSS= AC_SUBST(CROSS)
1224 ALL=all.internal AC_SUBST(ALL)
1225 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1226 if test x$host != x$target
1228 CROSS="-DCROSS_COMPILE"
1230 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1231 case "$host","$target" in
1232 i?86-*-*,x86_64-*-* \
1233 | powerpc*-*-*,powerpc64*-*-*)
1234 CROSS="$CROSS -DNATIVE_CROSS" ;;
1238 # If this is a cross-compiler that does not
1239 # have its own set of headers then define
1242 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1243 # This prevents libgcc2 from containing any code which requires libc
1246 if { test x$host != x$target && test "x$with_headers" = x &&
1247 test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then
1248 inhibit_libc=-Dinhibit_libc
1250 AC_SUBST(inhibit_libc)
1252 # When building gcc with a cross-compiler, we need to adjust things so
1253 # that the generator programs are still built with the native compiler.
1254 # Also, we cannot run fixincludes or fix-header.
1256 # These are the normal (build=host) settings:
1257 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1258 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1259 BUILD_CC='$(CC)' AC_SUBST(BUILD_CC)
1260 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1262 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1263 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1265 # And these apply if build != host.
1266 if test x$build != x$host
1269 BUILD_PREFIX_1=build-
1270 BUILD_CC='$(CC_FOR_BUILD)'
1271 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1277 # Expand extra_headers to include complete path.
1278 # This substitutes for lots of t-* files.
1280 if test "x$extra_headers" = x
1283 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1284 for file in $extra_headers;
1286 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1290 if test x$use_collect2 = xno; then
1294 # Add a definition of USE_COLLECT2 if system wants one.
1295 if test x$use_collect2 != x
1297 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1298 xm_defines="${xm_defines} USE_COLLECT2"
1301 # If we have gas in the build tree, make a link to it.
1302 if test -f ../gas/Makefile; then
1303 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1306 # If we have nm and objdump in the build tree, make a link to them.
1307 if test -f ../binutils/Makefile; then
1308 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1309 rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null
1312 # If we have ld in the build tree, make a link to it.
1313 if test -f ../ld/Makefile; then
1314 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1317 # Figure out what assembler we will be using.
1318 AC_MSG_CHECKING(what assembler to use)
1320 gcc_cv_gas_major_version=
1321 gcc_cv_gas_minor_version=
1322 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1323 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1324 if test -x "$DEFAULT_ASSEMBLER"; then
1325 gcc_cv_as="$DEFAULT_ASSEMBLER"
1326 elif test -x "$AS"; then
1328 elif test -x as$host_exeext; then
1329 # Build using assembler in the current directory.
1330 gcc_cv_as=./as$host_exeext
1331 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1332 # Single tree build which includes gas.
1333 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
1336 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1338 if test x$gcc_cv_gas_version != x; then
1343 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1344 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1345 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
1349 if test "x$gcc_cv_as" = x; then
1350 # Search the same directories that the installed compiler will
1351 # search. Else we may find the wrong assembler and lose. If we
1352 # do not find a suitable assembler binary, then try the user's
1355 # Also note we have to check MD_EXEC_PREFIX before checking the
1356 # user's path. Unfortunately, there is no good way to get at the
1357 # value of MD_EXEC_PREFIX here. So we do a brute force search
1358 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1359 # to be fixed as part of the make/configure rewrite too.
1361 if test "x$exec_prefix" = xNONE; then
1362 if test "x$prefix" = xNONE; then
1363 test_prefix=/usr/local
1368 test_prefix=$exec_prefix
1371 # If the loop below does not find an assembler, then use whatever
1372 # one we can find in the users's path.
1374 if test "x$program_prefix" != xNONE; then
1375 gcc_cv_as=${program_prefix}as$host_exeext
1377 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1380 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1381 $test_prefix/lib/gcc-lib/$target_alias \
1382 /usr/lib/gcc/$target_alias/$gcc_version \
1383 /usr/lib/gcc/$target_alias \
1384 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1385 $test_prefix/$target_alias/bin"
1387 if test x$host = x$target; then
1388 test_dirs="$test_dirs \
1393 /bsd43/usr/lib/cmplrs/cc \
1394 /usr/cross64/usr/bin \
1395 /usr/lib/cmplrs/cc \
1396 /sysv/usr/lib/cmplrs/cc \
1397 /svr4/usr/lib/cmplrs/cc \
1401 for dir in $test_dirs; do
1402 if test -x $dir/as$host_exeext; then
1403 gcc_cv_as=$dir/as$host_exeext
1408 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1409 AC_MSG_RESULT("newly built gas")
1411 AC_MSG_RESULT($gcc_cv_as)
1414 # Figure out what linker we will be using.
1415 AC_MSG_CHECKING(what linker to use)
1417 gcc_cv_gld_major_version=
1418 gcc_cv_gld_minor_version=
1419 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1420 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1421 if test -x "$DEFAULT_LINKER"; then
1422 gcc_cv_ld="$DEFAULT_LINKER"
1423 elif test -x "$LD"; then
1425 elif test -x ld$host_exeext; then
1426 # Build using linker in the current directory.
1427 gcc_cv_ld=./ld$host_exeext
1428 elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
1429 # Single tree build which includes ld.
1430 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
1433 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1435 if test x$gcc_cv_gld_version != x; then
1440 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1441 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1445 if test "x$gcc_cv_ld" = x; then
1446 # Search the same directories that the installed compiler will
1447 # search. Else we may find the wrong linker and lose. If we
1448 # do not find a suitable linker binary, then try the user's
1451 # Also note we have to check MD_EXEC_PREFIX before checking the
1452 # user's path. Unfortunately, there is no good way to get at the
1453 # value of MD_EXEC_PREFIX here. So we do a brute force search
1454 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1455 # to be fixed as part of the make/configure rewrite too.
1457 if test "x$exec_prefix" = xNONE; then
1458 if test "x$prefix" = xNONE; then
1459 test_prefix=/usr/local
1464 test_prefix=$exec_prefix
1467 # If the loop below does not find an linker, then use whatever
1468 # one we can find in the users's path.
1470 if test "x$program_prefix" != xNONE; then
1471 gcc_cv_ld=${program_prefix}ld$host_exeext
1473 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1476 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1477 $test_prefix/lib/gcc-lib/$target_alias \
1478 /usr/lib/gcc/$target_alias/$gcc_version \
1479 /usr/lib/gcc/$target_alias \
1480 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1481 $test_prefix/$target_alias/bin"
1483 if test x$host = x$target; then
1484 test_dirs="$test_dirs \
1489 /bsd43/usr/lib/cmplrs/cc \
1490 /usr/cross64/usr/bin \
1491 /usr/lib/cmplrs/cc \
1492 /sysv/usr/lib/cmplrs/cc \
1493 /svr4/usr/lib/cmplrs/cc \
1497 for dir in $test_dirs; do
1498 if test -x $dir/ld$host_exeext; then
1499 gcc_cv_ld=$dir/ld$host_exeext
1504 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
1505 AC_MSG_RESULT("newly built ld")
1507 AC_MSG_RESULT($gcc_cv_ld)
1510 # Figure out what nm we will be using.
1511 AC_MSG_CHECKING(what nm to use)
1512 if test -x nm$host_exeext; then
1513 gcc_cv_nm=./nm$host_exeext
1514 elif test "x$program_prefix" != xNONE; then
1515 gcc_cv_nm=${program_prefix}nm$host_exeext
1517 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1519 AC_MSG_RESULT($gcc_cv_nm)
1521 # Figure out what objdump we will be using.
1522 AC_MSG_CHECKING(what objdump to use)
1523 if test -x objdump$host_exeext; then
1524 gcc_cv_objdump=./objdump$host_exeext
1525 elif test "x$program_prefix" != xNONE; then
1526 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1528 gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
1530 AC_MSG_RESULT($gcc_cv_objdump)
1532 # Figure out what assembler alignment features are present.
1533 AC_MSG_CHECKING(assembler alignment features)
1534 gcc_cv_as_alignment_features=none
1535 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1536 # Gas version 2.6 and later support for .balign and .p2align.
1537 # bytes to skip when using .p2align.
1538 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1539 gcc_cv_as_alignment_features=".balign and .p2align"
1540 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1542 # Gas version 2.8 and later support specifying the maximum
1543 # bytes to skip when using .p2align.
1544 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1545 gcc_cv_as_alignment_features=".p2align including maximum skip"
1546 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1548 elif test x$gcc_cv_as != x; then
1549 # Check if we have .balign and .p2align
1550 echo ".balign 4" > conftest.s
1551 echo ".p2align 2" >> conftest.s
1552 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1553 gcc_cv_as_alignment_features=".balign and .p2align"
1554 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1556 rm -f conftest.s conftest.o
1557 # Check if specifying the maximum bytes to skip when
1558 # using .p2align is supported.
1559 echo ".p2align 4,,7" > conftest.s
1560 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1561 gcc_cv_as_alignment_features=".p2align including maximum skip"
1562 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1564 rm -f conftest.s conftest.o
1566 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1568 AC_MSG_CHECKING(assembler subsection support)
1569 gcc_cv_as_subsections=no
1570 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1571 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1572 gcc_cv_as_subsections="working .subsection -1"
1574 elif test x$gcc_cv_as != x; then
1575 # Check if we have .subsection
1576 echo ".subsection 1" > conftest.s
1577 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1578 gcc_cv_as_subsections=".subsection"
1579 if test x$gcc_cv_nm != x; then
1580 cat > conftest.s <<EOF
1581 conftest_label1: .word 0
1583 conftest_label2: .word 0
1586 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1587 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1588 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1589 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1592 gcc_cv_as_subsections="working .subsection -1"
1597 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1599 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1600 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1601 [Define if your assembler supports .subsection and .subsection -1 starts
1602 emitting at the beginning of your section.])
1604 AC_MSG_RESULT($gcc_cv_as_subsections)
1606 AC_MSG_CHECKING(assembler weak support)
1608 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1609 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1610 gcc_cv_as_weak="yes"
1612 elif test x$gcc_cv_as != x; then
1613 # Check if we have .weak
1614 echo " .weak foobar" > conftest.s
1615 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1616 gcc_cv_as_weak="yes"
1618 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1620 if test x"$gcc_cv_as_weak" = xyes; then
1621 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1623 AC_MSG_RESULT($gcc_cv_as_weak)
1625 AC_MSG_CHECKING(assembler hidden support)
1627 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1628 if test "$gcc_cv_gas_major_version" -eq 2 \
1629 -a "$gcc_cv_gas_minor_version" -eq 12 \
1630 -a "$gcc_cv_gas_patch_version" -ge 1 \
1631 -o "$gcc_cv_gas_major_version" -eq 2 \
1632 -a "$gcc_cv_gas_minor_version" -gt 12 \
1633 -o "$gcc_cv_gas_major_version" -gt 2 \
1634 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1635 gcc_cv_as_hidden="yes"
1637 elif test x$gcc_cv_as != x; then
1638 # Check if we have .hidden
1639 echo " .hidden foobar" > conftest.s
1640 echo "foobar:" >> conftest.s
1641 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1642 gcc_cv_as_hidden="yes"
1644 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1646 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1647 # This is irritatingly difficult to feature test for. Look for
1648 # the date string after the version number.
1649 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1650 if echo "$ld_ver" | grep GNU > /dev/null; then
1652 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1653 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1654 if test 0"$ld_date" -lt 20020404; then
1655 if test -n "$ld_date"; then
1656 # If there was date string, but was earlier than 2002-04-04, fail
1657 gcc_cv_as_hidden="no"
1658 elif test -z "$ld_vers"; then
1659 # If there was no date string nor ld version number, something is wrong
1660 gcc_cv_as_hidden="no"
1662 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1663 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1664 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1665 test -z "$ld_vers_patch" && ld_vers_patch=0
1666 if test "$ld_vers_major" -lt 2; then
1667 gcc_cv_as_hidden="no"
1668 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1669 gcc_cv_as_hidden="no"
1670 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1671 -a "$ld_vers_patch" -eq 0; then
1672 gcc_cv_as_hidden="no"
1679 if test x"$gcc_cv_as_hidden" = xyes; then
1680 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1681 [Define if your assembler supports .hidden.])
1683 AC_MSG_RESULT($gcc_cv_as_hidden)
1684 libgcc_visibility=$gcc_cv_as_hidden
1687 if test x"$gnu_ld_flag" = x"no"; then
1688 # Even if using gas with .hidden support, the resulting object files
1689 # cannot be linked with the IRIX 6 O32 linker. With the N32 and
1690 # N64 linkers, the problem is that the linker refuses to accept
1691 # -call_shared (passed by default to the linker) and -r (used to
1692 # link the object file generated without .hidden directives with
1693 # one that hides symbols), so we also lose.
1694 libgcc_visibility=no
1698 AC_SUBST(libgcc_visibility)
1700 AC_MSG_CHECKING(assembler leb128 support)
1702 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1703 if test "$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
1704 gcc_cv_as_leb128="yes"
1706 elif test x$gcc_cv_as != x; then
1707 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1708 cat > conftest.s <<EOF
1716 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1717 gcc_cv_as_leb128="yes"
1719 # GAS versions before 2.11 do not support uleb128,
1720 # despite appearing to.
1721 # ??? There exists an elf-specific test that will crash
1722 # the assembler. Perhaps it's better to figure out whether
1723 # arbitrary sections are supported and try the test.
1724 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1725 if echo "$as_ver" | grep GNU > /dev/null; then
1727 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1728 as_major=`echo $as_ver | sed 's/\..*//'`
1729 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1731 if test $as_major -eq 2 -a $as_minor -lt 11; then
1732 gcc_cv_as_leb128="no"
1736 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1738 if test x"$gcc_cv_as_leb128" = xyes; then
1739 AC_DEFINE(HAVE_AS_LEB128, 1,
1740 [Define if your assembler supports .uleb128.])
1742 AC_MSG_RESULT($gcc_cv_as_leb128)
1744 AC_MSG_CHECKING(assembler eh_frame optimization)
1745 gcc_cv_as_eh_frame=no
1746 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1747 if test "$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
1748 gcc_cv_as_eh_frame="yes"
1750 elif test x$gcc_cv_as != x; then
1751 # Check if this is GAS.
1752 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1753 rm -f a.out 2> /dev/null
1754 if echo "$as_ver" | grep GNU > /dev/null; then
1755 # Versions up to and including 2.11.0 may mis-optimize
1756 # .eh_frame data. Try something.
1757 cat > conftest.s <<EOF
1764 .section .eh_frame,"aw",@progbits
1766 .4byte .LECIE1-.LSCIE1
1780 .4byte .LEFDE1-.LASFDE1
1782 .4byte .LASFDE1-__FRAME_BEGIN__
1791 cat > conftest.lit <<EOF
1792 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1793 0010 01000000 12000000 18000000 00000000 ................
1794 0020 08000000 04080000 0044 .........D
1796 cat > conftest.big <<EOF
1797 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1798 0010 00000001 00000012 00000018 00000000 ................
1799 0020 00000008 04000000 0844 .........D
1801 # If the assembler didn't choke, and we can objdump,
1802 # and we got the correct data, then succeed.
1803 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1804 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1805 | tail -3 > conftest.got \
1806 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1807 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1809 gcc_cv_as_eh_frame="yes"
1811 gcc_cv_as_eh_frame="bad"
1812 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1813 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1814 [Define if your assembler mis-optimizes .eh_frame data.])
1820 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1822 AC_MSG_CHECKING(assembler section merging support)
1823 gcc_cv_as_shf_merge=no
1824 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1825 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1826 gcc_cv_as_shf_merge=yes
1828 elif test x$gcc_cv_as != x; then
1829 # Check if we support SHF_MERGE sections
1830 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1831 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1832 gcc_cv_as_shf_merge=yes
1834 rm -f conftest.s conftest.o
1836 if test x"$gcc_cv_as_shf_merge" = xyes; then
1837 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1838 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1840 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1842 AC_MSG_CHECKING(assembler thread-local storage support)
1851 .section ".tdata","awT",@progbits
1854 ldq $27,__tls_get_addr($29) !literal!1
1855 lda $16,foo($29) !tlsgd!1
1856 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1857 ldq $27,__tls_get_addr($29) !literal!2
1858 lda $16,foo($29) !tlsldm!2
1859 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1860 ldq $1,foo($29) !gotdtprel
1861 ldah $2,foo($29) !dtprelhi
1862 lda $3,foo($2) !dtprello
1863 lda $4,foo($29) !dtprel
1864 ldq $1,foo($29) !gottprel
1865 ldah $2,foo($29) !tprelhi
1866 lda $3,foo($2) !tprello
1867 lda $4,foo($29) !tprel'
1874 .section ".tdata","awT",@progbits
1878 leal foo@TLSGD(,%ebx,1), %eax
1879 leal foo@TLSLDM(%ebx), %eax
1880 leal foo@DTPOFF(%eax), %edx
1881 movl foo@GOTTPOFF(%ebx), %eax
1882 subl foo@GOTTPOFF(%ebx), %eax
1883 addl foo@GOTNTPOFF(%ebx), %eax
1884 movl foo@INDNTPOFF, %eax
1885 movl $foo@TPOFF, %eax
1886 subl $foo@TPOFF, %eax
1887 leal foo@NTPOFF(%ecx), %eax'
1893 .section ".tdata","awT",@progbits
1897 leaq foo@TLSGD(%rip), %rdi
1898 leaq foo@TLSLD(%rip), %rdi
1899 leaq foo@DTPOFF(%rax), %rdx
1900 movq foo@GOTTPOFF(%rip), %rax
1901 movq $foo@TPOFF, %rax'
1907 .section ".tdata","awT",@progbits
1910 addl r16 = @ltoff(@dtpmod(foo#)), gp
1911 addl r17 = @ltoff(@dtprel(foo#)), gp
1912 addl r18 = @ltoff(@tprel(foo#)), gp
1913 addl r19 = @dtprel(foo#), gp
1914 adds r21 = @dtprel(foo#), r13
1915 movl r23 = @dtprel(foo#)
1916 addl r20 = @tprel(foo#), gp
1917 adds r22 = @tprel(foo#), r13
1918 movl r24 = @tprel(foo#)'
1923 if test -z "$tls_first_major"; then
1925 elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1927 if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
1928 -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
1929 -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
1932 elif test x$gcc_cv_as != x; then
1933 echo "$conftest_s" > conftest.s
1934 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
1938 rm -f conftest.s conftest.o
1940 if test "$gcc_cv_as_tls" = yes; then
1941 AC_DEFINE(HAVE_AS_TLS, 1,
1942 [Define if your assembler supports thread-local storage.])
1944 AC_MSG_RESULT($gcc_cv_as_tls)
1947 # All TARGET_ABI_OSF targets.
1948 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
1949 AC_CACHE_CHECK([assembler supports explicit relocations],
1950 gcc_cv_as_explicit_relocs, [
1951 gcc_cv_as_explicit_relocs=unknown
1952 if test x$gcc_cv_gas_major_version != x \
1953 -a x$gcc_cv_gas_minor_version != x
1955 if test "$gcc_cv_gas_major_version" -eq 2 \
1956 -a "$gcc_cv_gas_minor_version" -ge 12 \
1957 -o "$gcc_cv_gas_major_version" -gt 2; then
1958 gcc_cv_as_explicit_relocs=yes
1960 elif test x$gcc_cv_as != x; then
1961 cat > conftest.s << 'EOF'
1964 extbl $3, $2, $3 !lituse_bytoff!1
1965 ldq $2, a($29) !literal!1
1966 ldq $4, b($29) !literal!2
1967 ldq_u $3, 0($2) !lituse_base!1
1968 ldq $27, f($29) !literal!5
1969 jsr $26, ($27), f !lituse_jsr!5
1970 ldah $29, 0($26) !gpdisp!3
1971 lda $0, c($29) !gprel
1972 ldah $1, d($29) !gprelhigh
1973 lda $1, d($1) !gprellow
1974 lda $29, 0($29) !gpdisp!3
1976 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1977 gcc_cv_as_explicit_relocs=yes
1979 gcc_cv_as_explicit_relocs=no
1981 rm -f conftest.s conftest.o
1984 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
1985 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
1986 [Define if your assembler supports explicit relocations.])
1990 AC_CACHE_CHECK([assembler .register pseudo-op support],
1991 gcc_cv_as_register_pseudo_op, [
1992 gcc_cv_as_register_pseudo_op=unknown
1993 if test x$gcc_cv_as != x; then
1994 # Check if we have .register
1995 echo ".register %g2, #scratch" > conftest.s
1996 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1997 gcc_cv_as_register_pseudo_op=yes
1999 gcc_cv_as_register_pseudo_op=no
2001 rm -f conftest.s conftest.o
2004 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
2005 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2006 [Define if your assembler supports .register.])
2009 AC_CACHE_CHECK([assembler supports -relax],
2010 gcc_cv_as_relax_opt, [
2011 gcc_cv_as_relax_opt=unknown
2012 if test x$gcc_cv_as != x; then
2013 # Check if gas supports -relax
2014 echo ".text" > conftest.s
2015 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
2016 gcc_cv_as_relax_opt=yes
2018 gcc_cv_as_relax_opt=no
2020 rm -f conftest.s conftest.o
2023 if test "x$gcc_cv_as_relax_opt" = xyes; then
2024 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2025 [Define if your assembler supports -relax option.])
2028 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
2029 gcc_cv_as_sparc_ua_pcrel, [
2030 gcc_cv_as_sparc_ua_pcrel=unknown
2031 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
2032 gcc_cv_as_sparc_ua_pcrel=no
2033 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
2034 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2035 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2036 gcc_cv_as_sparc_ua_pcrel=yes
2038 rm -f conftest.s conftest.o conftest
2041 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2042 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2043 [Define if your assembler and linker support unaligned PC relative relocs.])
2046 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
2047 gcc_cv_as_sparc_ua_pcrel_hidden, [
2048 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2049 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
2050 if test x$gcc_cv_objdump != x; then
2051 gcc_cv_as_sparc_ua_pcrel_hidden=no
2052 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
2053 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
2054 echo "foo: .skip 4" >> conftest.s
2055 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2056 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2057 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2058 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2059 if $gcc_cv_objdump -R conftest 2> /dev/null \
2060 | grep 'DISP32' > /dev/null 2>&1; then
2063 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2067 rm -f conftest.s conftest.o conftest
2069 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
2072 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
2073 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2074 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
2077 AC_CACHE_CHECK([for assembler offsetable %lo() support],
2078 gcc_cv_as_offsetable_lo10, [
2079 gcc_cv_as_offsetable_lo10=unknown
2080 if test "x$gcc_cv_as" != x; then
2081 # Check if assembler has offsetable %lo()
2082 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
2083 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
2084 if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
2086 $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
2087 > /dev/null 2>&1; then
2088 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2089 gcc_cv_as_offsetable_lo10=no
2091 gcc_cv_as_offsetable_lo10=yes
2094 gcc_cv_as_offsetable_lo10=no
2096 rm -f conftest.s conftest.o conftest1.s conftest1.o
2099 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2100 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2101 [Define if your assembler supports offsetable %lo().])
2107 i[34567]86-*-* | x86_64-*-*)
2109 AC_MSG_CHECKING(assembler instructions)
2110 gcc_cv_as_instructions=
2111 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
2112 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
2113 gcc_cv_as_instructions="filds fists"
2115 elif test x$gcc_cv_as != x; then
2116 set "filds fists" "filds mem; fists mem"
2119 echo "$2" > conftest.s
2120 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2121 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2125 rm -f conftest.s conftest.o
2127 if test x"$gcc_cv_as_instructions" != x; then
2128 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2130 AC_MSG_RESULT($gcc_cv_as_instructions)
2132 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2133 gcc_cv_as_gotoff_in_data=no
2134 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
2136 if test "$gcc_cv_gas_major_version" -eq 2 \
2137 -a "$gcc_cv_gas_minor_version" -ge 11 \
2138 -o "$gcc_cv_gas_major_version" -gt 2; then
2139 gcc_cv_as_gotoff_in_data=yes
2141 elif test x$gcc_cv_as != x; then
2142 cat > conftest.s <<EOF
2149 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2150 gcc_cv_as_gotoff_in_data=yes
2153 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2154 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2155 [Define true if the assembler supports '.long foo@GOTOFF'.])
2156 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2160 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2161 gcc_cv_as_dwarf2_debug_line=no
2162 # ??? Not all targets support dwarf2 debug_line, even within a version
2163 # of gas. Moreover, we need to emit a valid instruction to trigger any
2164 # info to the output file. So, as supported targets are added to gas 2.11,
2165 # add some instruction here to (also) show we expect this might work.
2166 # ??? Once 2.11 is released, probably need to add first known working
2167 # version to the per-target configury.
2169 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2170 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*)
2177 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2179 if test "$gcc_cv_gas_major_version" -eq 2 \
2180 -a "$gcc_cv_gas_minor_version" -ge 11 \
2181 -o "$gcc_cv_gas_major_version" -gt 2 \
2182 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2183 && test x"$insn" != x ; then
2184 gcc_cv_as_dwarf2_debug_line="yes"
2186 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2187 echo ' .file 1 "conftest.s"' > conftest.s
2188 echo ' .loc 1 3 0' >> conftest.s
2189 echo " $insn" >> conftest.s
2190 # ??? This fails with non-gnu grep.
2191 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2192 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2193 # The .debug_line file table must be in the exact order that
2194 # we specified the files, since these indices are also used
2195 # by DW_AT_decl_file. Approximate this test by testing if
2196 # the assembler bitches if the same index is assigned twice.
2197 echo ' .file 1 "foo.s"' > conftest.s
2198 echo ' .file 1 "bar.s"' >> conftest.s
2199 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2201 gcc_cv_as_dwarf2_debug_line="no"
2203 gcc_cv_as_dwarf2_debug_line="yes"
2206 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2208 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2209 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2210 [Define if your assembler supports dwarf2 .file/.loc directives,
2211 and preserves file table indices exactly as given.])
2213 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2215 AC_MSG_CHECKING(assembler --gdwarf2 support)
2216 gcc_cv_as_gdwarf2_flag=no
2217 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2219 if test "$gcc_cv_gas_major_version" -eq 2 \
2220 -a "$gcc_cv_gas_minor_version" -ge 11 \
2221 -o "$gcc_cv_gas_major_version" -gt 2 \
2222 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2223 && test x"$insn" != x ; then
2224 gcc_cv_as_gdwarf2_flag="yes"
2226 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2227 echo '' > conftest.s
2228 # ??? This fails with non-gnu grep.
2229 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2231 gcc_cv_as_gdwarf2_flag="yes"
2233 rm -f conftest.s conftest.o
2235 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2236 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2237 [Define if your assembler supports the --gdwarf2 option.])
2239 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2241 AC_MSG_CHECKING(assembler --gstabs support)
2242 gcc_cv_as_gstabs_flag=no
2243 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
2245 if test "$gcc_cv_gas_major_version" -eq 2 \
2246 -a "$gcc_cv_gas_minor_version" -ge 11 \
2247 -o "$gcc_cv_gas_major_version" -gt 2 \
2248 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2249 && test x"$insn" != x ; then
2250 gcc_cv_as_gstabs_flag="yes"
2252 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2253 echo '' > conftest.s
2254 # ??? This fails with non-gnu grep.
2255 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2256 gcc_cv_as_gstabs_flag="yes"
2258 rm -f conftest.s conftest.o
2260 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2261 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2262 [Define if your assembler supports the --gstabs option.])
2264 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2266 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2267 gcc_cv_ld_ro_rw_mix=unknown
2268 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2269 if test "$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
2270 gcc_cv_ld_ro_rw_mix=read-write
2272 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2273 echo '.section "myfoosect", "a"' > conftest1.s
2274 echo '.section "myfoosect", "aw"' > conftest2.s
2275 echo '.byte 1' >> conftest2.s
2276 echo '.section "myfoosect", "a"' > conftest3.s
2277 echo '.byte 0' >> conftest3.s
2278 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2279 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2280 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2281 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2282 conftest2.o conftest3.o; then
2283 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2284 | grep -A1 myfoosect`
2285 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2286 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2287 gcc_cv_ld_ro_rw_mix=read-only
2289 gcc_cv_ld_ro_rw_mix=read-write
2294 rm -f conftest.* conftest[123].*
2297 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2298 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2299 [Define if your linker links a mix of read-only
2300 and read-write sections into a read-write section.])
2302 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2304 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2305 gcc_cv_ld_eh_frame_hdr=no
2306 if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
2307 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
2308 gcc_cv_ld_eh_frame_hdr=yes
2310 elif test x$gcc_cv_ld != x; then
2311 # Check if linker supports --eh-frame-hdr option
2312 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2313 gcc_cv_ld_eh_frame_hdr=yes
2316 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2317 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2318 [Define if your linker supports --eh-frame-hdr option.])
2320 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2322 # Miscellaneous target-specific checks.
2325 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2326 gcc_cv_mips_libgloss_startup=no
2327 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2328 if test "x$exec_prefix" = xNONE; then
2329 if test "x$prefix" = xNONE; then
2330 test_prefix=/usr/local
2335 test_prefix=$exec_prefix
2337 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2339 if grep '^STARTUP' $f > /dev/null 2>&1; then
2340 gcc_cv_mips_libgloss_startup=yes
2344 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2345 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2346 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2348 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2352 if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2353 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2356 # Figure out what language subdirectories are present.
2357 # Look if the user specified --enable-languages="..."; if not, use
2358 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2360 # NB: embedded tabs in this IF block -- do not untabify
2361 if test x"${enable_languages+set}" != xset; then
2362 if test x"${LANGUAGES+set}" = xset; then
2363 enable_languages="${LANGUAGES}"
2364 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2367 enable_languages=all
2370 if test x"${enable_languages}" = x \
2371 || test x"${enable_languages}" = xyes;
2373 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2376 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2378 # First scan to see if an enabled language requires some other language.
2379 # We assume that a given config-lang.in will list all the language
2380 # front ends it requires, even if some are required indirectly.
2381 for lang in ${srcdir}/*/config-lang.in ..
2386 # The odd quoting in the next line works around
2387 # an apparent bug in bash 1.12 on linux.
2389 ${srcdir}/[*]/config-lang.in)
2392 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2393 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2394 for other in $this_lang_requires
2396 case ,${enable_languages}, in
2402 enable_languages="$enable_languages,$other"
2411 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2414 for lang in ${srcdir}/*/config-lang.in ..
2418 # The odd quoting in the next line works around
2419 # an apparent bug in bash 1.12 on linux.
2421 ${srcdir}/[*]/config-lang.in) ;;
2423 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2424 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2425 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2426 if test "x$lang_alias" = x
2428 echo "$lang doesn't set \$language." 1>&2
2431 case ${build_by_default},${enable_languages}, in
2432 *,$lang_alias,*) add_this_lang=yes ;;
2433 no,*) add_this_lang=no ;;
2434 *,all,*) add_this_lang=yes ;;
2435 *) add_this_lang=no ;;
2437 found_languages="${found_languages} ${lang_alias}"
2438 if test x"${add_this_lang}" = xyes; then
2440 ${srcdir}/ada/config-lang.in)
2441 if test x$have_gnat = xyes ; then
2442 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2446 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2456 for expected_language in ${expected_languages} ..
2458 if test "${expected_language}" != ..; then
2459 missing_language="${expected_language}"
2460 if test "${expected_language}" = "c" \
2461 || test "${expected_language}" = "all"; then
2464 for found_language in ${found_languages} ..
2466 if test "${found_language}" != ..; then
2467 if test "${expected_language}" = "${found_language}"; then
2472 if test "x${missing_language}" != x; then
2473 missing_languages="${missing_languages} ${missing_language}"
2478 if test "x$missing_languages" != x; then
2480 The following requested languages were not found:${missing_languages}
2481 The following languages were available: c${found_languages}])
2484 # Make gthr-default.h if we have a thread file.
2486 if test $thread_file != single; then
2487 rm -f gthr-default.h
2488 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2489 gthread_flags=-DHAVE_GTHR_DEFAULT
2491 AC_SUBST(gthread_flags)
2493 # Find out what GC implementation we want, or may, use.
2495 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2502 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2507 echo "Using $GGC for garbage collection."
2509 # Use the system's zlib library.
2511 zlibinc="-I\$(srcdir)/../zlib"
2512 AC_ARG_WITH(system-zlib,
2513 [ --with-system-zlib use installed libz],
2520 dnl Very limited version of automake's enable-maintainer-mode
2522 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2523 dnl maintainer-mode is disabled by default
2524 AC_ARG_ENABLE(maintainer-mode,
2525 [ --enable-maintainer-mode
2526 enable make rules and dependencies not useful
2527 (and sometimes confusing) to the casual installer],
2528 maintainer_mode=$enableval,
2531 AC_MSG_RESULT($maintainer_mode)
2533 if test "$maintainer_mode" = "yes"; then
2540 # Make empty files to contain the specs and options for each language.
2541 # Then add #include lines to for a compiler that has specs and/or options.
2546 for subdir in . $subdirs
2548 if test -f $srcdir/$subdir/lang-specs.h; then
2549 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2551 if test -f $srcdir/$subdir/lang-options.h; then
2552 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2554 if test -f $srcdir/$subdir/$subdir-tree.def; then
2555 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2559 # These (without "all_") are set in each config-lang.in.
2560 # `language' must be a single word so is spelled singularly.
2565 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2566 # List of language makefile fragments.
2568 # Files for gengtype
2569 all_gtfiles="$target_gtfiles"
2570 # Files for gengtype with language
2571 all_gtfiles_files_langs=
2572 all_gtfiles_files_files=
2574 # Add the language fragments.
2575 # Languages are added via two mechanisms. Some information must be
2576 # recorded in makefile variables, these are defined in config-lang.in.
2577 # We accumulate them and plug them into the main Makefile.
2578 # The other mechanism is a set of hooks for each of the main targets
2579 # like `clean', `install', etc.
2581 language_fragments="Make-lang"
2582 language_hooks="Make-hooks"
2584 for s in .. $subdirs
2594 . ${srcdir}/$s/config-lang.in
2595 if test "x$language" = x
2597 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2600 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2601 if test -f ${srcdir}/$s/Makefile.in
2602 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2604 all_languages="$all_languages $language"
2605 if test "x$boot_language" = xyes
2607 all_boot_languages="$all_boot_languages $language"
2609 all_compilers="$all_compilers $compilers"
2610 all_stagestuff="$all_stagestuff $stagestuff"
2611 all_outputs="$all_outputs $outputs"
2612 all_gtfiles="$all_gtfiles $gtfiles"
2613 for f in .. $gtfiles
2617 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2618 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2624 # Pick up gtfiles for c
2627 . ${srcdir}/c-config-lang.in
2628 all_gtfiles="$all_gtfiles $gtfiles"
2629 for f in .. $gtfiles
2633 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2634 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2639 for language in .. $all_languages
2641 if test $language != ".."
2643 check_languages="$check_languages check-$language"
2647 # Since we can't use `::' targets, we link each language in
2648 # with a set of hooks, reached indirectly via lang.${target}.
2652 target_list="all.build all.cross start.encap rest.encap \
2653 info dvi generated-manpages \
2654 install-normal install-common install-info install-man \
2656 mostlyclean clean distclean extraclean maintainer-clean \
2657 stage1 stage2 stage3 stage4"
2658 for t in $target_list
2661 for lang in .. $all_languages
2663 if test $lang != ".."; then
2667 echo "lang.$t: $x" >> Make-hooks
2672 echo "dir ." > .gdbinit
2673 echo "dir ${srcdir}" >> .gdbinit
2674 if test x$gdb_needs_out_file_path = xyes
2676 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2678 if test "x$subdirs" != x; then
2681 echo "dir ${srcdir}/$s" >> .gdbinit
2684 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2686 # Define variables host_canonical and build_canonical
2687 # because some Cygnus local changes in the Makefile depend on them.
2688 build_canonical=${build}
2689 host_canonical=${host}
2691 if test "${host}" != "${target}" ; then
2692 target_subdir=${target_alias}/
2694 AC_SUBST(build_canonical)
2695 AC_SUBST(host_canonical)
2696 AC_SUBST(target_subdir)
2698 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2699 # absolute path for gcc_tooldir based on inserting the number of up-directory
2700 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2701 # $(libsubdir)/@(unlibsubdir) based path.
2702 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2703 # make and thus we'd get different behavior depending on where we built the
2705 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2706 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2708 changequote(<<, >>)dnl
2709 # An explanation of the sed strings:
2710 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2711 # -e 's|/$||' match a trailing forward slash and eliminates it
2712 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2713 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2715 # (*) Note this pattern overwrites the first character of the string
2716 # with a forward slash if one is not already present. This is not a
2717 # problem because the exact names of the sub-directories concerned is
2718 # unimportant, just the number of them matters.
2720 # The practical upshot of these patterns is like this:
2722 # prefix exec_prefix result
2723 # ------ ----------- ------
2725 # /foo/ /foo/bar ../
2726 # /foo /foo/bar/ ../
2727 # /foo/ /foo/bar/ ../
2728 # /foo /foo/bar/ugg ../../
2731 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2732 changequote([, ])dnl
2734 AC_SUBST(gcc_tooldir)
2737 # Find a directory in which to install a shared libgcc.
2739 AC_ARG_ENABLE(version-specific-runtime-libs,
2740 [ --enable-version-specific-runtime-libs
2741 specify that runtime libraries should be
2742 installed in a compiler-specific directory])
2744 AC_ARG_WITH(slibdir,
2745 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2746 slibdir="$with_slibdir",
2747 if test "${enable_version_specific_runtime_libs+set}" = set; then
2748 slibdir='$(libsubdir)'
2749 elif test "$host" != "$target"; then
2750 slibdir='$(build_tooldir)/lib'
2756 objdir=`${PWDCMD-pwd}`
2759 # Process the language and host/target makefile fragments.
2760 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2762 # Substitute configuration variables
2765 AC_SUBST(all_boot_languages)
2766 AC_SUBST(all_compilers)
2767 AC_SUBST(all_gtfiles)
2768 AC_SUBST(all_gtfiles_files_langs)
2769 AC_SUBST(all_gtfiles_files_files)
2770 AC_SUBST(all_lang_makefiles)
2771 AC_SUBST(all_languages)
2772 AC_SUBST(all_stagestuff)
2773 AC_SUBST(build_exeext)
2774 AC_SUBST(build_install_headers_dir)
2775 AC_SUBST(build_xm_file_list)
2776 AC_SUBST(build_xm_file)
2777 AC_SUBST(build_xm_defines)
2778 AC_SUBST(check_languages)
2779 AC_SUBST(cc_set_by_configure)
2780 AC_SUBST(quoted_cc_set_by_configure)
2781 AC_SUBST(cpp_install_dir)
2782 AC_SUBST(dep_host_xmake_file)
2783 AC_SUBST(dep_tmake_file)
2784 AC_SUBST(extra_headers_list)
2785 AC_SUBST(extra_objs)
2786 AC_SUBST(extra_parts)
2787 AC_SUBST(extra_passes)
2788 AC_SUBST(extra_programs)
2789 AC_SUBST(float_h_file)
2790 AC_SUBST(gcc_config_arguments)
2791 AC_SUBST(gcc_gxx_include_dir)
2792 AC_SUBST(libstdcxx_incdir)
2793 AC_SUBST(gcc_version)
2794 AC_SUBST(gcc_version_full)
2795 AC_SUBST(gcc_version_trigger)
2796 AC_SUBST(host_exeext)
2797 AC_SUBST(host_extra_gcc_objs)
2798 AC_SUBST(host_xm_file_list)
2799 AC_SUBST(host_xm_file)
2800 AC_SUBST(host_xm_defines)
2802 AC_SUBST(lang_options_files)
2803 AC_SUBST(lang_specs_files)
2804 AC_SUBST(lang_tree_files)
2805 AC_SUBST(local_prefix)
2807 AC_SUBST(objc_boehm_gc)
2809 AC_SUBST(out_object_file)
2810 AC_SUBST(stage_prefix_set_by_configure)
2811 AC_SUBST(quoted_stage_prefix_set_by_configure)
2812 AC_SUBST(symbolic_link)
2813 AC_SUBST(thread_file)
2814 AC_SUBST(tm_file_list)
2816 AC_SUBST(tm_defines)
2817 AC_SUBST(tm_p_file_list)
2820 AC_SUBST(xm_defines)
2821 AC_SUBST(target_alias)
2822 AC_SUBST(c_target_objs)
2823 AC_SUBST(cxx_target_objs)
2824 AC_SUBST(target_cpu_default)
2826 AC_SUBST_FILE(target_overrides)
2827 AC_SUBST_FILE(host_overrides)
2828 AC_SUBST_FILE(language_fragments)
2829 AC_SUBST_FILE(language_hooks)
2831 # Echo that links are built
2832 if test x$host = x$target
2840 if test x$host != x$build
2842 str3=" on a $build system"
2845 if test "x$str2" != x || test "x$str3" != x
2850 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2852 if test "x$str2" != x || test "x$str3" != x
2854 echo " ${str2}${str3}." 1>&2
2857 # Truncate the target if necessary
2858 if test x$host_truncate_target != x; then
2859 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2862 # Configure the subdirectories
2863 # AC_CONFIG_SUBDIRS($subdirs)
2865 # Create the Makefile
2866 # and configure language subdirectories
2867 AC_OUTPUT($all_outputs,
2869 case x$CONFIG_HEADERS in
2870 xauto-host.h:config.in)
2873 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2874 # bootstrapping and the installation procedure can still use
2875 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2876 # FLAGS_TO_PASS has been modified to solve the problem there.
2877 # This is virtually a duplicate of what happens in configure.lang; we do
2878 # an extra check to make sure this only happens if ln -s can be used.
2879 if test "$symbolic_link" = "ln -s"; then
2880 for d in .. ${subdirs} fixinc ; do
2881 if test $d != ..; then
2882 STARTDIR=`${PWDCMD-pwd}`
2884 for t in stage1 stage2 stage3 stage4 include
2887 $symbolic_link ../$t $t 2>/dev/null
2893 # Avoid having to add intl to our include paths.
2894 if test -f intl/libintl.h; then
2895 echo creating libintl.h
2896 echo '#include "intl/libintl.h"' >libintl.h
2900 symbolic_link='$symbolic_link'