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 # --------------------------------
25 # Initialization and sanity checks
26 # --------------------------------
30 AC_CONFIG_HEADER(auto-host.h:config.in)
32 # Determine the host, build, and target systems
35 # Define variables host_canonical and build_canonical
36 build_canonical=${build}
37 host_canonical=${host}
38 AC_SUBST(build_canonical)
39 AC_SUBST(host_canonical)
42 if test "${host}" != "${target}" ; then
43 target_subdir=${target_alias}/
45 AC_SUBST(target_subdir)
47 # Set program_transform_name
50 # Check for bogus environment variables.
51 # Test if LIBRARY_PATH contains the notation for the current directory
52 # since this would lead to problems installing/building glibc.
53 # LIBRARY_PATH contains the current directory if one of the following
55 # - one of the terminals (":" and ";") is the first or last sign
56 # - two terminals occur directly after each other
57 # - the path contains an element with a dot in it
58 AC_MSG_CHECKING(LIBRARY_PATH variable)
60 case ${LIBRARY_PATH} in
61 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
62 library_path_setting="contains current directory"
65 library_path_setting="ok"
69 AC_MSG_RESULT($library_path_setting)
70 if test "$library_path_setting" != "ok"; then
72 *** LIBRARY_PATH shouldn't contain the current directory when
73 *** building gcc. Please change the environment variable
74 *** and run configure again.])
77 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
78 # since this would lead to problems installing/building glibc.
79 # GCC_EXEC_PREFIX contains the current directory if one of the following
81 # - one of the terminals (":" and ";") is the first or last sign
82 # - two terminals occur directly after each other
83 # - the path contains an element with a dot in it
84 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
86 case ${GCC_EXEC_PREFIX} in
87 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
88 gcc_exec_prefix_setting="contains current directory"
91 gcc_exec_prefix_setting="ok"
95 AC_MSG_RESULT($gcc_exec_prefix_setting)
96 if test "$gcc_exec_prefix_setting" != "ok"; then
98 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
99 *** building gcc. Please change the environment variable
100 *** and run configure again.])
107 # Specify the local prefix
109 AC_ARG_WITH(local-prefix,
110 [ --with-local-prefix=DIR specifies directory to put local include],
111 [case "${withval}" in
112 yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
114 *) local_prefix=$with_local_prefix ;;
117 # Default local prefix if it is empty
118 if test x$local_prefix = x; then
119 local_prefix=/usr/local
122 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
123 # passed in by the toplevel make and thus we'd get different behavior
124 # depending on where we built the sources.
126 # Specify the g++ header file directory
127 AC_ARG_WITH(gxx-include-dir,
128 [ --with-gxx-include-dir=DIR
129 specifies directory to put g++ header files],
130 [case "${withval}" in
131 yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
133 *) gcc_gxx_include_dir=$with_gxx_include_dir ;;
136 if test x${gcc_gxx_include_dir} = x; then
137 if test x${enable_version_specific_runtime_libs} = xyes; then
138 gcc_gxx_include_dir='${libsubdir}/include/c++'
140 topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
141 changequote(<<, >>)dnl
142 gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
147 AC_ARG_WITH(cpp_install_dir,
148 [ --with-cpp-install-dir=DIR
149 install the user visible C preprocessor in DIR
150 (relative to PREFIX) as well as PREFIX/bin],
151 [if test x$withval = xyes; then
152 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
153 elif test x$withval != xno; then
154 cpp_install_dir=$withval
157 # -------------------
158 # Find default linker
159 # -------------------
163 [ --with-gnu-ld arrange to work with GNU ld.],
164 gnu_ld_flag="$with_gnu_ld",
167 # With pre-defined ld
169 [ --with-ld arrange to use the specified ld (full pathname)],
170 DEFAULT_LINKER="$with_ld")
171 if test x"${DEFAULT_LINKER+set}" = x"set"; then
172 if test ! -x "$DEFAULT_LINKER"; then
173 AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
174 elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
177 AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
178 [Define to enable the use of a default linker.])
181 AC_MSG_CHECKING([whether a default linker was specified])
182 if test x"${DEFAULT_LINKER+set}" = x"set"; then
183 if test x"$gnu_ld_flag" = x"no"; then
184 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
186 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
192 # ----------------------
193 # Find default assembler
194 # ----------------------
198 [ --with-gnu-as arrange to work with GNU as],
199 gas_flag="$with_gnu_as",
203 [ --with-as arrange to use the specified as (full pathname)],
204 DEFAULT_ASSEMBLER="$with_as")
205 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
206 if test ! -x "$DEFAULT_ASSEMBLER"; then
207 AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
208 elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
211 AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
212 [Define to enable the use of a default assembler.])
215 AC_MSG_CHECKING([whether a default assembler was specified])
216 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
217 if test x"$gas_flag" = x"no"; then
218 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
220 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
230 # Find the native compiler
233 # autoconf is lame and doesn't give us any substitution variable for this.
234 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
235 NO_MINUS_C_MINUS_O=yes
237 OUTPUT_OPTION='-o $@'
239 AC_SUBST(NO_MINUS_C_MINUS_O)
240 AC_SUBST(OUTPUT_OPTION)
242 # -------------------------
243 # Check C compiler features
244 # -------------------------
246 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
247 ac_cv_prog_cc_no_long_long,
248 [save_CFLAGS="$CFLAGS"
249 CFLAGS="-Wno-long-long"
250 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
251 ac_cv_prog_cc_no_long_long=no)
252 CFLAGS="$save_CFLAGS"])
262 # sizeof(char) is 1 by definition.
263 AC_COMPILE_CHECK_SIZEOF(short)
264 AC_COMPILE_CHECK_SIZEOF(int)
265 AC_COMPILE_CHECK_SIZEOF(long)
266 if test $ac_cv_c_long_long = yes; then
267 AC_COMPILE_CHECK_SIZEOF(long long)
269 if test $ac_cv_c___int64 = yes; then
270 AC_COMPILE_CHECK_SIZEOF(__int64)
279 # See if GNAT has been installed
282 if test x$have_gnat != xno ; then
283 AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
284 ac_cv_prog_adac_no_long_long,
285 [cat >conftest.adb <<EOF
286 procedure conftest is begin null; end conftest;
288 if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
289 ac_cv_prog_adac_no_long_long=yes
291 ac_cv_prog_adac_no_long_long=no
295 ac_cv_prog_adac_no_long_long=yes
298 # ---------------------
299 # Warnings and checking
300 # ---------------------
303 if test $ac_cv_prog_cc_no_long_long = yes && \
304 test $ac_cv_prog_adac_no_long_long = yes ; then
305 strict1_warn="-pedantic -Wno-long-long"
307 AC_SUBST(strict1_warn)
309 # If the native compiler is GCC, we can enable warnings even in stage1.
310 # That's useful for people building cross-compilers, or just running a
313 if test "x$GCC" = "xyes"; then
314 warn_cflags='$(GCC_WARN_CFLAGS)'
316 AC_SUBST(warn_cflags)
318 # Enable -Werror in bootstrap stage2 and later.
319 # Change the default to "no" on release branches.
320 AC_ARG_ENABLE(werror,
321 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
323 if test x$enable_werror = xyes ; then
328 # Enable expensive internal checks
329 AC_ARG_ENABLE(checking,
330 [ --enable-checking[=LIST]
331 enable expensive run-time checks. With LIST,
332 enable only specific categories of checks.
333 Categories are: misc,tree,rtl,rtlflag,gc,gcac;
334 default is misc,tree,gc,rtlflag],
340 ac_gc_always_collect=
341 case "${enableval}" in
342 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
343 ac_rtlflag_checking=1 ;;
345 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
346 set fnord $enableval; shift
351 misc) ac_checking=1 ;;
352 tree) ac_tree_checking=1 ;;
353 rtlflag) ac_rtlflag_checking=1 ;;
354 rtl) ac_rtl_checking=1 ;;
355 gc) ac_gc_checking=1 ;;
356 gcac) ac_gc_always_collect=1 ;;
357 valgrind) ac_checking_valgrind=1 ;;
358 *) AC_MSG_ERROR(unknown check category $check) ;;
364 # Enable some checks by default for development versions of GCC
365 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
367 if test x$ac_checking != x ; then
368 AC_DEFINE(ENABLE_CHECKING, 1,
369 [Define if you want more run-time sanity checks. This one gets a grab
370 bag of miscellaneous but relatively cheap checks.])
371 nocommon_flag=-fno-common
373 AC_SUBST(nocommon_flag)
374 if test x$ac_tree_checking != x ; then
375 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
376 [Define if you want all operations on trees (the basic data
377 structure of the front ends) to be checked for dynamic type safety
378 at runtime. This is moderately expensive.])
380 if test x$ac_rtl_checking != x ; then
381 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
382 [Define if you want all operations on RTL (the basic data structure
383 of the optimizer and back end) to be checked for dynamic type safety
384 at runtime. This is quite expensive.])
386 if test x$ac_rtlflag_checking != x ; then
387 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
388 [Define if you want RTL flag accesses to be checked against the RTL
389 codes that are supported for each access macro. This is relatively
392 if test x$ac_gc_checking != x ; then
393 AC_DEFINE(ENABLE_GC_CHECKING, 1,
394 [Define if you want the garbage collector to do object poisoning and
395 other memory allocation checks. This is quite expensive.])
397 if test x$ac_gc_always_collect != x ; then
398 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
399 [Define if you want the garbage collector to operate in maximally
400 paranoid mode, validating the entire heap and collecting garbage at
401 every opportunity. This is extremely expensive.])
403 valgrind_path_defines=
405 if test x$ac_checking_valgrind != x ; then
406 # It is certainly possible that there's valgrind but no valgrind.h.
407 # GCC relies on making annotations so we must have both.
408 AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
410 [#include <memcheck.h>
411 #ifndef VALGRIND_DISCARD
412 #error VALGRIND_DISCARD not defined
414 [gcc_cv_header_memcheck_h=yes],
415 gcc_cv_header_memcheck_h=no)
416 AC_MSG_RESULT($gcc_cv_header_memcheck_h)
417 AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
418 AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
419 [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
420 if test "x$valgrind_path" = "x" || (test $have_valgrind_h = no && test $gcc_cv_header_memcheck_h = no); then
421 AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h/memcheck.h])
423 valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
424 valgrind_command="$valgrind_path -q"
425 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
426 [Define if you want to run subprograms and generated programs
427 through valgrind (a memory checker). This is extremely expensive.])
428 if test $gcc_cv_header_memcheck_h = yes; then
429 AC_DEFINE(HAVE_MEMCHECK_H, 1,
430 [Define if valgrind's memcheck.h header is installed.])
433 AC_SUBST(valgrind_path_defines)
434 AC_SUBST(valgrind_command)
436 # Enable code coverage collection
437 AC_ARG_ENABLE(coverage,
438 [ --enable-coverage[=LEVEL]
439 enable compiler\'s code coverage collection.
440 Use to measure compiler performance and locate
441 unused parts of the compiler. With LEVEL, specify
442 optimization. Values are opt, noopt,
444 [case "${enableval}" in
446 coverage_flags="-fprofile-arcs -ftest-coverage -O0 -DSELF_COVERAGE=1"
449 coverage_flags="-fprofile-arcs -ftest-coverage -O2 -DSELF_COVERAGE=2"
452 AC_MSG_ERROR(unknown coverage setting $enableval)
456 AC_SUBST(coverage_flags)
458 # -------------------------------
459 # Miscenalleous configure options
460 # -------------------------------
464 [ --with-stabs arrange to use stabs instead of host debug format],
470 [ --with-elf arrange to use ELF instead of host debug format],
474 # Determine whether or not multilibs are enabled.
475 AC_ARG_ENABLE(multilib,
476 [ --enable-multilib enable library support for multiple ABIs],
477 [], [enable_multilib=yes])
478 AC_SUBST(enable_multilib)
480 # Enable __cxa_atexit for C++.
481 AC_ARG_ENABLE(__cxa_atexit,
482 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
484 if test x$enable___cxa_atexit = xyes; then
485 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
486 [Define if you want to use __cxa_atexit, rather than atexit, to
487 register C++ destructors for local statics and global objects.
488 This is essential for fully standards-compliant handling of
489 destructors, but requires __cxa_atexit in libc.])
492 # Enable Multibyte Characters for C/C++
493 AC_ARG_ENABLE(c-mbchar,
494 [ --enable-c-mbchar enable multibyte characters for C and C++],
495 if test x$enable_c_mbchar != xno; then
496 AC_DEFINE(MULTIBYTE_CHARS, 1,
497 [Define if you want the C and C++ compilers to support multibyte
498 character sets for source code.])
502 # Pass with no value to take the default
503 # Pass with a value to specify a thread package
504 AC_ARG_ENABLE(threads,
505 [ --enable-threads enable thread usage for target GCC
506 --enable-threads=LIB use LIB thread package for target GCC],,
509 enable_threads_flag=$enable_threads
510 # Check if a valid thread package
511 case x${enable_threads_flag} in
514 target_thread_file='single'
518 target_thread_file=''
520 xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
521 xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix | xgnat)
522 target_thread_file=$enable_threads_flag
525 echo "$enable_threads is an unknown thread package" 1>&2
530 AC_ARG_ENABLE(objc-gc,
531 [ --enable-objc-gc enable the use of Boehm's garbage collector with
532 the GNU Objective-C runtime],
533 if test x$enable_objc_gc = xno; then
541 [ --with-dwarf2 force the default debug format to be DWARF 2],
542 dwarf2="$with_dwarf2",
545 AC_ARG_ENABLE(shared,
546 [ --disable-shared don't provide a shared libgcc],
548 case $enable_shared in
552 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
553 for pkg in $enableval; do
554 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
561 ], [enable_shared=yes])
562 AC_SUBST(enable_shared)
565 [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
567 case ${with_sysroot} in
568 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
569 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
572 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
573 CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
575 if test "x$exec_prefix" = xNONE; then
576 if test "x$prefix" = xNONE; then
577 test_prefix=/usr/local
582 test_prefix=$exec_prefix
584 case ${TARGET_SYSTEM_ROOT} in
585 "${test_prefix}"|"${test_prefix}/"*|\
586 '${exec_prefix}'|'${exec_prefix}/'*)
587 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
588 TARGET_SYSTEM_ROOT_DEFINE="$t"
593 TARGET_SYSTEM_ROOT_DEFINE=
594 CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include'
596 AC_SUBST(TARGET_SYSTEM_ROOT)
597 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
598 AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
600 # -------------------------
601 # Checks for other programs
602 # -------------------------
606 # Find some useful tools
613 # See if we have the mktemp command.
614 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
616 # Do we have a single-tree copy of texinfo?
617 if test -f $srcdir/../texinfo/Makefile.in; then
618 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
619 gcc_cv_prog_makeinfo_modern=yes
620 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
622 # See if makeinfo has been installed and is modern enough
623 # that we can use it.
624 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
625 [GNU texinfo.* \([0-9][0-9.]*\)],
629 if test $gcc_cv_prog_makeinfo_modern = no; then
631 *** Makeinfo is missing or too old.
632 *** Info documentation will not be built.])
635 BUILD_INFO=info AC_SUBST(BUILD_INFO)
638 # Is pod2man recent enough to regenerate manpages?
639 AC_MSG_CHECKING([for recent Pod::Man])
640 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
642 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
648 # 'make compare' can be significantly faster, if cmp itself can
649 # skip bytes instead of using tail. The test being performed is
650 # "if cmp --ignore-initial=2 t1 t2 && ! cmp --ignore-initial=1 t1 t2"
651 # but we need to sink errors and handle broken shells.
652 AC_MSG_CHECKING([for cmp's capabilities])
655 if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
656 if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
657 make_compare_target=slowcompare
659 make_compare_target=gnucompare
662 make_compare_target=slowcompare
665 AC_SUBST(make_compare_target)
666 AC_MSG_RESULT($make_compare_target)
669 dnl Don't use AC_PROG_LEX; we insist on flex.
670 dnl LEXLIB is not useful in gcc.
671 if test -f $srcdir/../flex/skel.c; then
672 FLEX='$(objdir)/../flex/flex'
674 AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
678 # The -L switch is so bison can find its skeleton file.
679 if test -f $srcdir/../bison/bison.simple; then
680 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
682 AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
685 # --------------------
686 # Checks for C headers
687 # --------------------
689 AC_MSG_CHECKING(for GNU C library)
690 AC_CACHE_VAL(gcc_cv_glibc,
692 [#include <features.h>],[
693 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
694 #error Not a GNU C library system
698 AC_MSG_RESULT($gcc_cv_glibc)
699 if test $gcc_cv_glibc = yes; then
700 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
705 gcc_AC_HEADER_STDBOOL
708 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
709 fcntl.h unistd.h sys/file.h sys/time.h \
710 sys/resource.h sys/param.h sys/times.h sys/stat.h \
711 direct.h malloc.h langinfo.h ldfcn.h wchar.h)
713 # Check for thread headers.
714 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
715 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
717 # These tests can't be done till we know if we have limits.h.
725 # Stage specific cflags for build.
731 stage1_cflags="-Wa,-J"
737 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
738 # sources; use -no-cpp-precomp to get to GNU cpp.
739 # Apple's GCC has bugs in designated initializer handling, so disable
741 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
744 AC_SUBST(stage1_cflags)
746 # These libraries may be used by collect2.
747 # We may need a special search path to get them linked.
748 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
750 for libs in '' -lld -lmld \
751 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
752 '-L/usr/lib/cmplrs/cc3.11 -lmld'
755 AC_TRY_LINK_FUNC(ldopen,
756 [gcc_cv_collect2_libs="$libs"; break])
759 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
760 case $gcc_cv_collect2_libs in
762 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
764 AC_SUBST(COLLECT2_LIBS)
766 # When building Ada code on Alpha, we need exc_resume which is usually in
767 # -lexc. So test for it.
770 AC_SEARCH_LIBS(exc_resume, exc)
773 AC_SUBST(GNAT_LIBEXC)
775 # Some systems put ldexp and frexp in libm instead of libc; assume
776 # they're both in the same place. jcf-dump needs them.
779 AC_SEARCH_LIBS(ldexp, m)
784 # See if the stage1 system preprocessor understands the ANSI C
785 # preprocessor stringification operator. (Used by symcat.h.)
788 # Use <inttypes.h> only if it exists,
789 # doesn't clash with <sys/types.h>, and declares intmax_t.
790 AC_MSG_CHECKING(for inttypes.h)
791 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
793 [#include <sys/types.h>
794 #include <inttypes.h>],
796 [gcc_cv_header_inttypes_h=yes],
797 gcc_cv_header_inttypes_h=no)])
798 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
799 if test $gcc_cv_header_inttypes_h = yes; then
800 AC_DEFINE(HAVE_INTTYPES_H, 1,
801 [Define if you have a working <inttypes.h> header file.])
804 dnl Disabled until we have a complete test for buggy enum bitfields.
805 dnl gcc_AC_C_ENUM_BF_UNSIGNED
807 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
808 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
809 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
810 scandir alphasort gettimeofday mbstowcs wcswidth)
812 if test x$ac_cv_func_mbstowcs = xyes; then
813 AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
814 [ AC_TRY_RUN([#include <stdlib.h>
820 gcc_cv_func_mbstowcs_works=yes,
821 gcc_cv_func_mbstowcs_works=no,
822 gcc_cv_func_mbstowcs_works=yes)])
823 if test x$gcc_cv_func_mbstowcs_works = xyes; then
824 AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1,
825 [Define this macro if mbstowcs does not crash when its
826 first argument is NULL.])
830 AC_CHECK_TYPE(ssize_t, int)
832 # Try to determine the array type of the second argument of getgroups
833 # for the target system (int or gid_t).
835 if test "${target}" = "${build}"; then
836 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
839 # This condition may need some tweaking. It should include all
840 # targets where the array type of the second argument of getgroups
841 # is int and the type of gid_t is not equivalent to int.
842 *-*-sunos* | *-*-ultrix*)
843 TARGET_GETGROUPS_T=int
846 TARGET_GETGROUPS_T=gid_t
850 AC_SUBST(TARGET_GETGROUPS_T)
852 gcc_AC_FUNC_PRINTF_PTR
857 *** UWIN may not be used as a host platform because
858 *** linking with posix.dll is not allowed by the GNU GPL])
861 # Under VMS, vfork works very different than on Unix. The standard test
862 # won't work, and it isn't easily adaptable. It makes more sense to
864 ac_cv_func_vfork_works=yes
868 AC_FUNC_MMAP_ANYWHERE
873 # We will need to find libiberty.h and ansidecl.h
874 saved_CFLAGS="$CFLAGS"
875 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
876 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
877 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
878 fprintf_unlocked strstr errno vasprintf \
879 malloc realloc calloc free basename getopt clock, , ,[
880 #include "ansidecl.h"
881 #include "system.h"])
883 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
884 #include "ansidecl.h"
886 #ifdef HAVE_SYS_RESOURCE_H
887 #include <sys/resource.h>
892 #include "ansidecl.h"
894 #ifdef HAVE_SYS_RESOURCE_H
895 #include <sys/resource.h>
897 ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long],
898 [Define to \`long' if <sys/resource.h> doesn't define.])])
900 gcc_AC_CHECK_DECLS(ldgetname, , ,[
901 #include "ansidecl.h"
908 gcc_AC_CHECK_DECLS(times, , ,[
909 #include "ansidecl.h"
911 #ifdef HAVE_SYS_TIMES_H
912 #include <sys/times.h>
916 # More time-related stuff.
917 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
919 #include "ansidecl.h"
921 #ifdef HAVE_SYS_TIMES_H
922 #include <sys/times.h>
924 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
925 if test $ac_cv_struct_tms = yes; then
926 AC_DEFINE(HAVE_STRUCT_TMS, 1,
927 [Define if <sys/times.h> defines struct tms.])
930 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
931 # revisit after autoconf 2.50.
932 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
934 #include "ansidecl.h"
936 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
937 if test $gcc_cv_type_clock_t = yes; then
938 AC_DEFINE(HAVE_CLOCK_T, 1,
939 [Define if <time.h> defines clock_t.])
942 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
944 #include "ansidecl.h"
947 [if ((uchar *)0) return 0;
948 if (sizeof(uchar)) return 0;],
949 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
950 if test $ac_cv_type_uchar = yes; then
951 AC_DEFINE(HAVE_UCHAR, 1,
952 [Define if <sys/types.h> defines \`uchar'.])
955 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
956 CFLAGS="$saved_CFLAGS"
958 gcc_AC_INITFINI_ARRAY
960 # mkdir takes a single argument on some systems.
961 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
969 # With Setjmp/Longjmp based exception handling.
970 AC_ARG_ENABLE(sjlj-exceptions,
971 [ --enable-sjlj-exceptions
972 arrange to use setjmp/longjmp exception handling],
973 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
974 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
975 [Define 0/1 to force the choice for exception handling model.])])
977 AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
978 # Use libunwind based exception handling.
979 AC_ARG_ENABLE(libunwind-exceptions,
980 [ --enable-libunwind-exceptions force use libunwind for exceptions],
981 use_libunwind_exceptions=$enableval,
982 use_libunwind_exceptions=$use_libunwind_default)
983 if test x"$use_libunwind_exceptions" = xyes; then
984 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
985 [Define if gcc should use -lunwind.])
988 # --------------------------------------------------------
989 # Build, host, and target specific configuration fragments
990 # --------------------------------------------------------
995 build_install_headers_dir=install-headers-tar
1000 host_truncate_target=
1003 # Decode the host machine, then the target machine.
1004 # For the host machine, we save the xm_file variable as host_xm_file;
1005 # then we decode the target machine and forget everything else
1006 # that came from the host machine.
1007 for machine in $build $host $target; do
1008 . ${srcdir}/config.gcc
1011 extra_objs="${host_extra_objs} ${extra_objs}"
1013 # Default the target-machine variables that were not explicitly set.
1014 if test x"$tm_file" = x
1015 then tm_file=$cpu_type/$cpu_type.h; fi
1017 if test x"$extra_headers" = x
1018 then extra_headers=; fi
1020 if test x$md_file = x
1021 then md_file=$cpu_type/$cpu_type.md; fi
1023 if test x$out_file = x
1024 then out_file=$cpu_type/$cpu_type.c; fi
1026 if test x"$tmake_file" = x
1027 then tmake_file=$cpu_type/t-$cpu_type
1030 if test x"$dwarf2" = xyes
1031 then tm_file="$tm_file tm-dwarf2.h"
1034 # Say what files are being used for the output code and MD file.
1035 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
1036 echo "Using \`$srcdir/config/$md_file' as machine description file."
1038 # If any of the xm_file variables contain nonexistent files, warn
1039 # about them and drop them.
1042 for x in $build_xm_file; do
1043 if test -f $srcdir/config/$x
1045 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1051 for x in $host_xm_file; do
1052 if test -f $srcdir/config/$x
1054 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1060 for x in $xm_file; do
1061 if test -f $srcdir/config/$x
1063 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1069 for f in $tm_file; do
1072 if test $count = ax; then
1073 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
1075 echo "Using the following target machine macro files:"
1076 for f in $tm_file; do
1077 echo " $srcdir/config/$f"
1081 if test x$need_64bit_hwint = xyes; then
1082 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
1083 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
1087 for f in $host_xm_file; do
1090 if test $count = a; then
1092 elif test $count = ax; then
1093 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
1095 echo "Using the following host machine macro files:"
1096 for f in $host_xm_file; do
1097 echo " $srcdir/config/$f"
1100 echo "Using ${out_host_hook_obj} for host machine hooks."
1102 if test "$host_xm_file" != "$build_xm_file"; then
1104 for f in $build_xm_file; do
1107 if test $count = a; then
1109 elif test $count = ax; then
1110 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
1112 echo "Using the following build machine macro files:"
1113 for f in $build_xm_file; do
1114 echo " $srcdir/config/$f"
1119 if test x$thread_file = x; then
1120 if test x$target_thread_file != x; then
1121 thread_file=$target_thread_file
1123 thread_file='single'
1127 # Look for a file containing extra machine modes.
1128 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
1129 extra_modes_file='$(srcdir)'/config/${extra_modes}
1130 AC_SUBST(extra_modes_file)
1131 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
1132 [Define to the name of a file containing a list of extra machine modes
1133 for this architecture.])
1134 AC_DEFINE(EXTRA_CC_MODES, 1,
1135 [Define if the target architecture needs extra machine modes to represent
1136 the results of comparisons.])
1139 # auto-host.h is the file containing items generated by autoconf and is
1140 # the first file included by config.h.
1141 # If host=build, it is correct to have bconfig include auto-host.h
1142 # as well. If host!=build, we are in error and need to do more
1143 # work to find out the build config parameters.
1144 if test x$host = x$build
1146 build_auto=auto-host.h
1149 # We create a subdir, then run autoconf in the subdir.
1150 # To prevent recursion we set host and build for the new
1151 # invocation of configure to the build for this invocation
1158 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
1159 *) realsrcdir=../${srcdir};;
1161 saved_CFLAGS="${CFLAGS}"
1162 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
1163 ${realsrcdir}/configure \
1164 --target=$target_alias --host=$build_alias --build=$build_alias
1165 CFLAGS="${saved_CFLAGS}"
1167 # We just finished tests for the build machine, so rename
1168 # the file auto-build.h in the gcc directory.
1169 mv auto-host.h ../auto-build.h
1172 build_auto=auto-build.h
1173 FORBUILD=../build-$build_alias
1177 tm_file="${tm_file} defaults.h"
1178 tm_p_file="${tm_p_file} tm-preds.h"
1179 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1180 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1181 # We don't want ansidecl.h in target files, write code there in ISO/GNU C.
1182 # put this back in temporarily.
1183 xm_file="ansidecl.h ${xm_file}"
1189 # Truncate the target if necessary
1190 if test x$host_truncate_target != x; then
1191 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
1194 # Get the version trigger filename from the toplevel
1195 if test "${with_gcc_version_trigger+set}" = set; then
1196 gcc_version_trigger=$with_gcc_version_trigger
1198 gcc_version_trigger=${srcdir}/version.c
1201 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1202 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1204 # Compile in configure arguments.
1205 if test -f configargs.h ; then
1206 # Being re-configured.
1207 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1208 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1210 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1212 cat > configargs.h <<EOF
1213 /* Generated automatically. */
1214 static const char configuration_arguments[] = "$gcc_config_arguments";
1215 static const char thread_model[] = "$thread_file";
1219 # Internationalization
1221 VERSION="$gcc_version"
1225 # Enable NLS support by default
1227 [ --enable-nls use Native Language Support (default)],
1230 # if cross compiling, disable NLS support.
1231 # It's not worth the trouble, at least for now.
1233 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
1234 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
1240 # Windows32 Registry support for specifying GCC installation paths.
1241 AC_ARG_ENABLE(win32-registry,
1242 [ --disable-win32-registry
1243 disable lookup of installation paths in the
1244 Registry on Windows hosts
1245 --enable-win32-registry enable registry lookup (default)
1246 --enable-win32-registry=KEY
1247 use KEY instead of GCC version as the last portion
1248 of the registry key],,)
1250 win32 | pe | cygwin* | mingw32* | uwin*)
1251 AC_MSG_CHECKING(whether windows registry support is requested)
1252 if test "x$enable_win32_registry" != xno; then
1253 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1254 [Define to 1 if installation paths should be looked up in Windows32
1255 Registry. Ignored on non windows32 hosts.])
1257 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1262 # Check if user specified a different registry key.
1263 case "x${enable_win32_registry}" in
1266 gcc_cv_win32_registry_key="$VERSION"
1269 # no registry lookup.
1270 gcc_cv_win32_registry_key=''
1273 # user-specified key.
1274 gcc_cv_win32_registry_key="$enable_win32_registry"
1278 if test "x$enable_win32_registry" != xno; then
1279 AC_MSG_CHECKING(registry key on windows hosts)
1280 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1281 [Define to be the last portion of registry key on windows hosts.])
1282 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1287 # Get an absolute path to the GCC top-level source directory
1288 holddir=`${PWDCMD-pwd}`
1290 topdir=`${PWDCMD-pwd}`
1293 # Conditionalize the makefile for this host machine.
1294 # Make-host contains the concatenation of all host makefile fragments
1295 # [there can be more than one]. This file is built by configure.frag.
1296 host_overrides=Make-host
1297 dep_host_xmake_file=
1298 for f in .. ${host_xmake_file}
1300 if test -f ${srcdir}/config/$f
1302 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1306 # Conditionalize the makefile for this target machine.
1307 # Make-target contains the concatenation of all host makefile fragments
1308 # [there can be more than one]. This file is built by configure.frag.
1309 target_overrides=Make-target
1311 for f in .. ${tmake_file}
1313 if test -f ${srcdir}/config/$f
1315 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1319 symbolic_link='ln -s'
1321 # If the host doesn't support symlinks, modify CC in
1322 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1323 # Otherwise, we can use "CC=$(CC)".
1325 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1327 cc_set_by_configure="\$(CC)"
1328 quoted_cc_set_by_configure="\$(CC)"
1329 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1330 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1333 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1335 symbolic_link="cp -p"
1339 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1340 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1341 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1342 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1346 out_object_file=`basename $out_file .c`.o
1349 for f in $tm_file; do
1352 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1354 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1355 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1360 for f in $tm_p_file; do
1363 tm_p_file_list="${tm_p_file_list} $f" ;;
1364 *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;;
1369 for f in $host_xm_file; do
1372 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1374 host_xm_file_list="${host_xm_file_list} $f" ;;
1376 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1377 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1382 for f in $build_xm_file; do
1385 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1386 auto-build.h | auto-host.h )
1387 build_xm_file_list="${build_xm_file_list} $f" ;;
1389 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1390 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1394 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1395 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1396 CROSS= AC_SUBST(CROSS)
1397 ALL=all.internal AC_SUBST(ALL)
1398 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1399 if test x$host != x$target
1401 CROSS="-DCROSS_COMPILE"
1403 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1404 case "$host","$target" in
1405 i?86-*-*,x86_64-*-* \
1406 | powerpc*-*-*,powerpc64*-*-*)
1407 CROSS="$CROSS -DNATIVE_CROSS" ;;
1409 elif test "x$TARGET_SYSTEM_ROOT" != x; then
1410 # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)
1411 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1414 # If this is a cross-compiler that does not
1415 # have its own set of headers then define
1418 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1419 # This prevents libgcc2 from containing any code which requires libc
1422 if { test x$host != x$target && test "x$with_headers" = x &&
1423 test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then
1424 inhibit_libc=-Dinhibit_libc
1426 AC_SUBST(inhibit_libc)
1428 # When building gcc with a cross-compiler, we need to adjust things so
1429 # that the generator programs are still built with the native compiler.
1430 # Also, we cannot run fixincludes or fix-header.
1432 # These are the normal (build=host) settings:
1433 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1434 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1435 BUILD_CC='$(CC)' AC_SUBST(BUILD_CC)
1436 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1438 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1439 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1441 # And these apply if build != host.
1442 if test x$build != x$host
1445 BUILD_PREFIX_1=build-
1446 BUILD_CC='$(CC_FOR_BUILD)'
1447 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1449 if test "x$TARGET_SYSTEM_ROOT" = x; then
1455 # Expand extra_headers to include complete path.
1456 # This substitutes for lots of t-* files.
1458 if test "x$extra_headers" = x
1461 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1462 for file in $extra_headers;
1464 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1468 # Add a definition of USE_COLLECT2 if system wants one.
1469 case $use_collect2 in
1470 no) use_collect2= ;;
1473 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1474 xm_defines="${xm_defines} USE_COLLECT2"
1478 # Identify the assembler which will work hand-in-glove with the newly
1479 # built GCC, so that we can examine its features. This is the assembler
1480 # which will be driven by the driver program.
1482 # If build != host, and we aren't building gas in-tree, we identify a
1483 # build->target assembler and hope that it will have the same features
1484 # as the host->target assembler we'll be using.
1485 AC_MSG_CHECKING(what assembler to use)
1488 gcc_cv_gas_major_version=
1489 gcc_cv_gas_minor_version=
1490 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1491 if test -x "$DEFAULT_ASSEMBLER"; then
1492 gcc_cv_as="$DEFAULT_ASSEMBLER"
1493 elif test -x "$AS"; then
1495 elif test -x as$host_exeext; then
1496 # Build using assembler in the current directory.
1497 gcc_cv_as=./as$host_exeext
1498 elif test -f $gcc_cv_as_gas_srcdir/configure.in \
1499 && test -f ../gas/Makefile; then
1500 # Single tree build which includes gas.
1502 _gcc_COMPUTE_GAS_VERSION
1503 rm -f as$host_exeext
1504 $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1507 if test "x$gcc_cv_as" = x; then
1508 # Search the same directories that the installed compiler will
1509 # search. Else we may find the wrong assembler and lose. If we
1510 # do not find a suitable assembler binary, then try the user's
1513 # Also note we have to check MD_EXEC_PREFIX before checking the
1514 # user's path. Unfortunately, there is no good way to get at the
1515 # value of MD_EXEC_PREFIX here. So we do a brute force search
1516 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1517 # to be fixed as part of the make/configure rewrite too.
1519 if test "x$exec_prefix" = xNONE; then
1520 if test "x$prefix" = xNONE; then
1521 test_prefix=/usr/local
1526 test_prefix=$exec_prefix
1529 # If the loop below does not find an assembler, then use whatever
1530 # one we can find in the users's path.
1532 if test "x$program_prefix" != xNONE; then
1533 gcc_cv_as=${program_prefix}as$host_exeext
1535 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1538 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1539 $test_prefix/lib/gcc-lib/$target_alias \
1540 /usr/lib/gcc/$target_alias/$gcc_version \
1541 /usr/lib/gcc/$target_alias \
1542 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1543 $test_prefix/$target_alias/bin"
1545 if test x$host = x$target; then
1546 test_dirs="$test_dirs \
1551 /bsd43/usr/lib/cmplrs/cc \
1552 /usr/cross64/usr/bin \
1553 /usr/lib/cmplrs/cc \
1554 /sysv/usr/lib/cmplrs/cc \
1555 /svr4/usr/lib/cmplrs/cc \
1559 for dir in $test_dirs; do
1560 if test -x $dir/as$host_exeext; then
1561 gcc_cv_as=$dir/as$host_exeext
1566 case $in_tree_gas in
1568 AC_MSG_RESULT("newly built gas")
1571 AC_MSG_RESULT($gcc_cv_as)
1575 # Identify the linker which will work hand-in-glove with the newly
1576 # built GCC, so that we can examine its features. This is the linker
1577 # which will be driven by the driver program.
1579 # If build != host, and we aren't building gas in-tree, we identify a
1580 # build->target linker and hope that it will have the same features
1581 # as the host->target linker we'll be using.
1582 AC_MSG_CHECKING(what linker to use)
1585 gcc_cv_gld_major_version=
1586 gcc_cv_gld_minor_version=
1587 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1588 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1589 if test -x "$DEFAULT_LINKER"; then
1590 gcc_cv_ld="$DEFAULT_LINKER"
1591 elif test -x "$LD"; then
1593 elif test -x collect-ld$host_exeext; then
1594 # Build using linker in the current directory.
1595 gcc_cv_ld=./collect-ld$host_exeext
1596 elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
1597 && test -f ../ld/Makefile; then
1598 # Single tree build which includes ld.
1600 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
1603 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1605 if test x$gcc_cv_gld_version != x; then
1610 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1611 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1613 rm -f collect-ld$host_exeext
1614 $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \
1618 if test "x$gcc_cv_ld" = x; then
1619 # Search the same directories that the installed compiler will
1620 # search. Else we may find the wrong linker and lose. If we
1621 # do not find a suitable linker binary, then try the user's
1624 # Also note we have to check MD_EXEC_PREFIX before checking the
1625 # user's path. Unfortunately, there is no good way to get at the
1626 # value of MD_EXEC_PREFIX here. So we do a brute force search
1627 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1628 # to be fixed as part of the make/configure rewrite too.
1630 if test "x$exec_prefix" = xNONE; then
1631 if test "x$prefix" = xNONE; then
1632 test_prefix=/usr/local
1637 test_prefix=$exec_prefix
1640 # If the loop below does not find an linker, then use whatever
1641 # one we can find in the users's path.
1643 if test "x$program_prefix" != xNONE; then
1644 gcc_cv_ld=${program_prefix}ld$host_exeext
1646 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1649 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1650 $test_prefix/lib/gcc-lib/$target_alias \
1651 /usr/lib/gcc/$target_alias/$gcc_version \
1652 /usr/lib/gcc/$target_alias \
1653 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1654 $test_prefix/$target_alias/bin"
1656 if test x$host = x$target; then
1657 test_dirs="$test_dirs \
1662 /bsd43/usr/lib/cmplrs/cc \
1663 /usr/cross64/usr/bin \
1664 /usr/lib/cmplrs/cc \
1665 /sysv/usr/lib/cmplrs/cc \
1666 /svr4/usr/lib/cmplrs/cc \
1670 for dir in $test_dirs; do
1671 if test -x $dir/ld$host_exeext; then
1672 gcc_cv_ld=$dir/ld$host_exeext
1679 AC_MSG_RESULT("newly built ld")
1682 AC_MSG_RESULT($gcc_cv_ld)
1686 # Figure out what nm we will be using.
1687 gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
1688 AC_MSG_CHECKING(what nm to use)
1690 if test -x nm$host_exeext; then
1691 gcc_cv_nm=./nm$host_exeext
1692 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1693 && test -f ../binutils/Makefile; then
1694 # Single tree build which includes binutils.
1696 gcc_cv_nm=./nm$host_exeext
1697 rm -f nm$host_exeext
1698 $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1699 elif test "x$program_prefix" != xNONE; then
1700 gcc_cv_nm=${program_prefix}nm$host_exeext
1702 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1705 yes) AC_MSG_RESULT("newly built nm") ;;
1706 no) AC_MSG_RESULT($gcc_cv_nm) ;;
1709 # Figure out what objdump we will be using.
1710 AC_MSG_CHECKING(what objdump to use)
1712 if test -x objdump$host_exeext; then
1713 gcc_cv_objdump=./objdump$host_exeext
1714 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1715 && test -f ../binutils/Makefile; then
1716 # Single tree build which includes binutils.
1718 gcc_cv_objdump=./objdump$host_exeext
1719 rm -f objdump$host_exeext
1720 $symbolic_link ../binutils/objdump$host_exeext \
1721 objdump$host_exeext 2>/dev/null
1722 elif test "x$program_prefix" != xNONE; then
1723 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1725 gcc_cv_objdump=`echo objdump | \
1726 sed ${program_transform_name}`$host_exeext
1728 case $in_tree_objdump in
1729 yes) AC_MSG_RESULT("newly built objdump") ;;
1730 no) AC_MSG_RESULT($gcc_cv_objdump) ;;
1733 # Figure out what assembler alignment features are present.
1734 AC_MSG_CHECKING(assembler alignment features)
1735 gcc_cv_as_alignment_features=none
1736 if test $in_tree_gas = yes; then
1737 # Gas version 2.6 and later support for .balign and .p2align.
1738 gcc_GAS_VERSION_GTE_IFELSE(2,6,0,[
1739 gcc_cv_as_alignment_features=".balign and .p2align"
1740 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1742 # Gas version 2.8 and later support specifying the maximum
1743 # bytes to skip when using .p2align.
1744 gcc_GAS_VERSION_GTE_IFELSE(2,8,0,[
1745 gcc_cv_as_alignment_features=".p2align including maximum skip"
1746 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1748 elif test x$gcc_cv_as != x; then
1749 # Check if we have .balign and .p2align
1750 echo ".balign 4" > conftest.s
1751 echo ".p2align 2" >> conftest.s
1752 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1753 gcc_cv_as_alignment_features=".balign and .p2align"
1754 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1756 rm -f conftest.s conftest.o
1757 # Check if specifying the maximum bytes to skip when
1758 # using .p2align is supported.
1759 echo ".p2align 4,,7" > conftest.s
1760 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1761 gcc_cv_as_alignment_features=".p2align including maximum skip"
1762 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1764 rm -f conftest.s conftest.o
1766 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1768 AC_MSG_CHECKING(assembler subsection support)
1769 gcc_cv_as_subsections=no
1770 if test $in_tree_gas = yes ; then
1771 gcc_GAS_VERSION_GTE_IFELSE(2,9,0,[
1772 if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1773 gcc_cv_as_subsections="working .subsection -1"
1776 elif test x$gcc_cv_as != x; then
1777 # Check if we have .subsection
1778 echo ".subsection 1" > conftest.s
1779 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1780 gcc_cv_as_subsections=".subsection"
1781 if test x$gcc_cv_nm != x; then
1782 cat > conftest.s <<EOF
1783 conftest_label1: .word 0
1785 conftest_label2: .word 0
1788 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1789 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1790 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1791 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1794 gcc_cv_as_subsections="working .subsection -1"
1799 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1801 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1802 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1803 [Define if your assembler supports .subsection and .subsection -1 starts
1804 emitting at the beginning of your section.])
1806 AC_MSG_RESULT($gcc_cv_as_subsections)
1808 AC_MSG_CHECKING(assembler weak support)
1810 if test $in_tree_gas = yes ; then
1811 gcc_GAS_VERSION_GTE_IFELSE(2,2,0,[
1812 gcc_cv_as_weak="yes"
1814 elif test x$gcc_cv_as != x; then
1815 # Check if we have .weak
1816 echo " .weak foobar" > conftest.s
1817 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1818 gcc_cv_as_weak="yes"
1820 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1822 if test x"$gcc_cv_as_weak" = xyes; then
1823 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1825 AC_MSG_RESULT($gcc_cv_as_weak)
1827 AC_MSG_CHECKING(assembler hidden support)
1829 if test $in_tree_gas = yes ; then
1830 gcc_GAS_VERSION_GTE_IFELSE(2,12,1,[
1831 if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1832 gcc_cv_as_hidden="yes"
1835 elif test x$gcc_cv_as != x; then
1836 # Check if we have .hidden
1837 echo " .hidden foobar" > conftest.s
1838 echo "foobar:" >> conftest.s
1839 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1840 gcc_cv_as_hidden="yes"
1842 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1844 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1845 # This is irritatingly difficult to feature test for. Look for
1846 # the date string after the version number.
1847 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1848 if echo "$ld_ver" | grep GNU > /dev/null; then
1850 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1851 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1852 if test 0"$ld_date" -lt 20020404; then
1853 if test -n "$ld_date"; then
1854 # If there was date string, but was earlier than 2002-04-04, fail
1855 gcc_cv_as_hidden="no"
1856 elif test -z "$ld_vers"; then
1857 # If there was no date string nor ld version number, something is wrong
1858 gcc_cv_as_hidden="no"
1860 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1861 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1862 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1863 test -z "$ld_vers_patch" && ld_vers_patch=0
1864 if test "$ld_vers_major" -lt 2; then
1865 gcc_cv_as_hidden="no"
1866 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1867 gcc_cv_as_hidden="no"
1868 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1869 -a "$ld_vers_patch" -eq 0; then
1870 gcc_cv_as_hidden="no"
1877 if test x"$gcc_cv_as_hidden" = xyes; then
1878 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1879 [Define if your assembler supports .hidden.])
1881 AC_MSG_RESULT($gcc_cv_as_hidden)
1882 libgcc_visibility=$gcc_cv_as_hidden
1885 if test x"$gnu_ld_flag" = x"no"; then
1886 # Even if using gas with .hidden support, the resulting object files
1887 # cannot be linked with the IRIX 6 O32 linker. With the N32 and
1888 # N64 linkers, the problem is that the linker refuses to accept
1889 # -call_shared (passed by default to the linker) and -r (used to
1890 # link the object file generated without .hidden directives with
1891 # one that hides symbols), so we also lose.
1892 libgcc_visibility=no
1896 AC_SUBST(libgcc_visibility)
1898 AC_MSG_CHECKING(assembler leb128 support)
1900 if test $in_tree_gas = yes ; then
1901 gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
1902 if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1903 gcc_cv_as_leb128="yes"
1906 elif test x$gcc_cv_as != x; then
1907 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1908 cat > conftest.s <<EOF
1916 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1917 gcc_cv_as_leb128="yes"
1919 # GAS versions before 2.11 do not support uleb128,
1920 # despite appearing to.
1921 # ??? There exists an elf-specific test that will crash
1922 # the assembler. Perhaps it's better to figure out whether
1923 # arbitrary sections are supported and try the test.
1924 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1925 if echo "$as_ver" | grep GNU > /dev/null; then
1927 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1928 as_major=`echo $as_ver | sed 's/\..*//'`
1929 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1931 if test $as_major -eq 2 -a $as_minor -lt 11; then
1932 gcc_cv_as_leb128="no"
1936 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1938 if test x"$gcc_cv_as_leb128" = xyes; then
1939 AC_DEFINE(HAVE_AS_LEB128, 1,
1940 [Define if your assembler supports .uleb128.])
1942 AC_MSG_RESULT($gcc_cv_as_leb128)
1944 AC_MSG_CHECKING(assembler eh_frame optimization)
1945 gcc_cv_as_eh_frame=no
1946 if test $in_tree_gas = yes ; then
1947 gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
1948 if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1949 gcc_cv_as_eh_frame="yes"
1952 elif test x$gcc_cv_as != x; then
1953 # Check if this is GAS.
1954 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1955 rm -f a.out 2> /dev/null
1956 if echo "$as_ver" | grep GNU > /dev/null; then
1957 # Versions up to and including 2.11.0 may mis-optimize
1958 # .eh_frame data. Try something.
1959 cat > conftest.s <<EOF
1966 .section .eh_frame,"aw",@progbits
1968 .4byte .LECIE1-.LSCIE1
1982 .4byte .LEFDE1-.LASFDE1
1984 .4byte .LASFDE1-__FRAME_BEGIN__
1993 cat > conftest.lit <<EOF
1994 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1995 0010 01000000 12000000 18000000 00000000 ................
1996 0020 08000000 04080000 0044 .........D
1998 cat > conftest.big <<EOF
1999 0000 00000010 00000000 017a0001 781a0004 .........z..x...
2000 0010 00000001 00000012 00000018 00000000 ................
2001 0020 00000008 04000000 0844 .........D
2003 # If the assembler didn't choke, and we can objdump,
2004 # and we got the correct data, then succeed.
2005 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2006 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
2007 | tail -3 > conftest.got \
2008 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
2009 || cmp conftest.big conftest.got > /dev/null 2>&1; }
2011 gcc_cv_as_eh_frame="yes"
2013 gcc_cv_as_eh_frame="bad"
2014 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
2015 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
2016 [Define if your assembler mis-optimizes .eh_frame data.])
2022 AC_MSG_RESULT($gcc_cv_as_eh_frame)
2024 AC_MSG_CHECKING(assembler section merging support)
2025 gcc_cv_as_shf_merge=no
2026 if test $in_tree_gas = yes ; then
2027 gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
2028 if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
2029 gcc_cv_as_shf_merge=yes
2032 elif test x$gcc_cv_as != x; then
2033 # Check if we support SHF_MERGE sections
2034 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
2035 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
2036 gcc_cv_as_shf_merge=yes
2038 rm -f conftest.s conftest.o
2040 if test x"$gcc_cv_as_shf_merge" = xyes; then
2041 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
2042 [Define if your assembler supports marking sections with SHF_MERGE flag.])
2044 AC_MSG_RESULT($gcc_cv_as_shf_merge)
2046 AC_MSG_CHECKING(assembler thread-local storage support)
2055 .section ".tdata","awT",@progbits
2058 ldq $27,__tls_get_addr($29) !literal!1
2059 lda $16,foo($29) !tlsgd!1
2060 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
2061 ldq $27,__tls_get_addr($29) !literal!2
2062 lda $16,foo($29) !tlsldm!2
2063 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
2064 ldq $1,foo($29) !gotdtprel
2065 ldah $2,foo($29) !dtprelhi
2066 lda $3,foo($2) !dtprello
2067 lda $4,foo($29) !dtprel
2068 ldq $1,foo($29) !gottprel
2069 ldah $2,foo($29) !tprelhi
2070 lda $3,foo($2) !tprello
2071 lda $4,foo($29) !tprel'
2078 .section ".tdata","awT",@progbits
2082 leal foo@TLSGD(,%ebx,1), %eax
2083 leal foo@TLSLDM(%ebx), %eax
2084 leal foo@DTPOFF(%eax), %edx
2085 movl foo@GOTTPOFF(%ebx), %eax
2086 subl foo@GOTTPOFF(%ebx), %eax
2087 addl foo@GOTNTPOFF(%ebx), %eax
2088 movl foo@INDNTPOFF, %eax
2089 movl $foo@TPOFF, %eax
2090 subl $foo@TPOFF, %eax
2091 leal foo@NTPOFF(%ecx), %eax'
2097 .section ".tdata","awT",@progbits
2101 leaq foo@TLSGD(%rip), %rdi
2102 leaq foo@TLSLD(%rip), %rdi
2103 leaq foo@DTPOFF(%rax), %rdx
2104 movq foo@GOTTPOFF(%rip), %rax
2105 movq $foo@TPOFF, %rax'
2111 .section ".tdata","awT",@progbits
2114 addl r16 = @ltoff(@dtpmod(foo#)), gp
2115 addl r17 = @ltoff(@dtprel(foo#)), gp
2116 addl r18 = @ltoff(@tprel(foo#)), gp
2117 addl r19 = @dtprel(foo#), gp
2118 adds r21 = @dtprel(foo#), r13
2119 movl r23 = @dtprel(foo#)
2120 addl r20 = @tprel(foo#), gp
2121 adds r22 = @tprel(foo#), r13
2122 movl r24 = @tprel(foo#)'
2128 .section ".tdata","awT",@progbits
2137 l %r1,foo@GOTNTPOFF(%r12)
2138 l %r1,0(%r1):tls_load:foo
2139 bas %r14,0(%r1,%r13):tls_gdcall:foo
2140 bas %r14,0(%r1,%r13):tls_ldcall:foo'
2146 .section ".tdata","awT",@progbits
2154 lg %r1,foo@GOTNTPOFF(%r12)
2155 larl %r1,foo@INDNTPOFF
2156 brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
2157 brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
2162 if test -z "$tls_first_major"; then
2164 elif test $in_tree_gas = yes ; then
2165 gcc_GAS_VERSION_GTE_IFELSE($tls_first_major,$tls_first_minor,0,[
2168 elif test x$gcc_cv_as != x; then
2169 echo "$conftest_s" > conftest.s
2170 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
2174 rm -f conftest.s conftest.o
2176 if test "$gcc_cv_as_tls" = yes; then
2177 AC_DEFINE(HAVE_AS_TLS, 1,
2178 [Define if your assembler supports thread-local storage.])
2180 AC_MSG_RESULT($gcc_cv_as_tls)
2183 # All TARGET_ABI_OSF targets.
2184 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
2185 AC_CACHE_CHECK([assembler supports explicit relocations],
2186 gcc_cv_as_explicit_relocs, [
2187 gcc_cv_as_explicit_relocs=unknown
2188 if test $in_tree_gas = yes ; then
2189 gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
2190 gcc_cv_as_explicit_relocs=yes
2192 elif test x$gcc_cv_as != x; then
2193 cat > conftest.s << 'EOF'
2196 extbl $3, $2, $3 !lituse_bytoff!1
2197 ldq $2, a($29) !literal!1
2198 ldq $4, b($29) !literal!2
2199 ldq_u $3, 0($2) !lituse_base!1
2200 ldq $27, f($29) !literal!5
2201 jsr $26, ($27), f !lituse_jsr!5
2202 ldah $29, 0($26) !gpdisp!3
2203 lda $0, c($29) !gprel
2204 ldah $1, d($29) !gprelhigh
2205 lda $1, d($1) !gprellow
2206 lda $29, 0($29) !gpdisp!3
2208 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2209 gcc_cv_as_explicit_relocs=yes
2211 gcc_cv_as_explicit_relocs=no
2213 rm -f conftest.s conftest.o
2216 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
2217 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2218 [Define if your assembler supports explicit relocations.])
2222 AC_CACHE_CHECK([assembler .register pseudo-op support],
2223 gcc_cv_as_register_pseudo_op, [
2224 gcc_cv_as_register_pseudo_op=unknown
2225 if test x$gcc_cv_as != x; then
2226 # Check if we have .register
2227 echo ".register %g2, #scratch" > conftest.s
2228 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2229 gcc_cv_as_register_pseudo_op=yes
2231 gcc_cv_as_register_pseudo_op=no
2233 rm -f conftest.s conftest.o
2236 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
2237 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2238 [Define if your assembler supports .register.])
2241 AC_CACHE_CHECK([assembler supports -relax],
2242 gcc_cv_as_relax_opt, [
2243 gcc_cv_as_relax_opt=unknown
2244 if test x$gcc_cv_as != x; then
2245 # Check if gas supports -relax
2246 echo ".text" > conftest.s
2247 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
2248 gcc_cv_as_relax_opt=yes
2250 gcc_cv_as_relax_opt=no
2252 rm -f conftest.s conftest.o
2255 if test "x$gcc_cv_as_relax_opt" = xyes; then
2256 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2257 [Define if your assembler supports -relax option.])
2260 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
2261 gcc_cv_as_sparc_ua_pcrel, [
2262 gcc_cv_as_sparc_ua_pcrel=unknown
2263 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
2264 gcc_cv_as_sparc_ua_pcrel=no
2265 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
2266 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2267 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2268 gcc_cv_as_sparc_ua_pcrel=yes
2270 rm -f conftest.s conftest.o conftest
2273 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2274 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2275 [Define if your assembler and linker support unaligned PC relative relocs.])
2278 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
2279 gcc_cv_as_sparc_ua_pcrel_hidden, [
2280 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2281 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
2282 if test x$gcc_cv_objdump != x; then
2283 gcc_cv_as_sparc_ua_pcrel_hidden=no
2284 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
2285 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
2286 echo "foo: .skip 4" >> conftest.s
2287 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2288 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2289 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2290 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2291 if $gcc_cv_objdump -R conftest 2> /dev/null \
2292 | grep 'DISP32' > /dev/null 2>&1; then
2295 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2299 rm -f conftest.s conftest.o conftest
2301 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
2304 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
2305 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2306 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
2309 AC_CACHE_CHECK([for assembler offsetable %lo() support],
2310 gcc_cv_as_offsetable_lo10, [
2311 gcc_cv_as_offsetable_lo10=unknown
2312 if test "x$gcc_cv_as" != x; then
2313 # Check if assembler has offsetable %lo()
2314 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
2315 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
2316 if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
2318 $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
2319 > /dev/null 2>&1; then
2320 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2321 gcc_cv_as_offsetable_lo10=no
2323 gcc_cv_as_offsetable_lo10=yes
2326 gcc_cv_as_offsetable_lo10=no
2328 rm -f conftest.s conftest.o conftest1.s conftest1.o
2331 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2332 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2333 [Define if your assembler supports offsetable %lo().])
2339 i[34567]86-*-* | x86_64-*-*)
2341 AC_MSG_CHECKING(assembler instructions)
2342 gcc_cv_as_instructions=
2343 if test $in_tree_gas = yes ; then
2344 gcc_GAS_VERSION_GTE_IFELSE(2,9,0,[
2345 gcc_cv_as_instructions="filds fists"
2347 elif test x$gcc_cv_as != x; then
2348 set "filds fists" "filds mem; fists mem"
2351 echo "$2" > conftest.s
2352 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2353 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2357 rm -f conftest.s conftest.o
2359 if test x"$gcc_cv_as_instructions" != x; then
2360 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2362 AC_MSG_RESULT($gcc_cv_as_instructions)
2364 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2365 gcc_cv_as_gotoff_in_data=no
2366 if test $in_tree_gas = yes ; then
2367 gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
2368 gcc_cv_as_gotoff_in_data=yes
2370 elif test x$gcc_cv_as != x; then
2371 cat > conftest.s <<EOF
2378 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2379 gcc_cv_as_gotoff_in_data=yes
2382 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2383 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2384 [Define true if the assembler supports '.long foo@GOTOFF'.])
2385 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2389 AC_CACHE_CHECK([assembler supports ltoffx and ldxmov],
2390 gcc_cv_as_ltoffx_ldxmov_relocs, [
2391 gcc_cv_as_ltoffx_ldxmov_relocs=unknown
2392 if test $in_tree_gas = yes ; then
2393 gcc_GAS_VERSION_GTE_IFELSE(2,14,0,[
2394 gcc_cv_as_ltoffx_ldxmov_relocs=yes
2396 elif test x$gcc_cv_as != x; then
2397 cat > conftest.s << 'EOF'
2400 addl r15 = @ltoffx(x#), gp
2402 ld8.mov r16 = [r15], x#
2405 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2406 gcc_cv_as_ltoffx_ldxmov_relocs=yes
2408 gcc_cv_as_ltoffx_ldxmov_relocs=no
2410 rm -f conftest.s conftest.o
2413 if test "x$gcc_cv_as_ltoffx_ldxmov_relocs" = xyes; then
2414 AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
2415 [Define if your assembler supports ltoffx and ldxmov relocations.])
2420 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2421 gcc_cv_as_dwarf2_debug_line=no
2422 # ??? Not all targets support dwarf2 debug_line, even within a version
2423 # of gas. Moreover, we need to emit a valid instruction to trigger any
2424 # info to the output file. So, as supported targets are added to gas 2.11,
2425 # add some instruction here to (also) show we expect this might work.
2426 # ??? Once 2.11 is released, probably need to add first known working
2427 # version to the per-target configury.
2429 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2430 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* | xstormy16*-*-*)
2437 if test $in_tree_gas = yes ; then
2438 gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
2439 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2440 && test x"$insn" != x ; then
2441 gcc_cv_as_dwarf2_debug_line="yes"
2444 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2445 echo ' .file 1 "conftest.s"' > conftest.s
2446 echo ' .loc 1 3 0' >> conftest.s
2447 echo " $insn" >> conftest.s
2448 # ??? This fails with non-gnu grep.
2449 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2450 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2451 # The .debug_line file table must be in the exact order that
2452 # we specified the files, since these indices are also used
2453 # by DW_AT_decl_file. Approximate this test by testing if
2454 # the assembler bitches if the same index is assigned twice.
2455 echo ' .file 1 "foo.s"' > conftest.s
2456 echo ' .file 1 "bar.s"' >> conftest.s
2457 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2459 gcc_cv_as_dwarf2_debug_line="no"
2461 gcc_cv_as_dwarf2_debug_line="yes"
2464 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2466 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2467 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2468 [Define if your assembler supports dwarf2 .file/.loc directives,
2469 and preserves file table indices exactly as given.])
2471 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2473 AC_MSG_CHECKING(assembler --gdwarf2 support)
2474 gcc_cv_as_gdwarf2_flag=no
2475 if test $in_tree_gas = yes ; then
2476 gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
2477 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2478 && test x"$insn" != x ; then
2479 gcc_cv_as_gdwarf2_flag="yes"
2482 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2483 echo '' > conftest.s
2484 # ??? This fails with non-gnu grep.
2485 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2487 gcc_cv_as_gdwarf2_flag="yes"
2489 rm -f conftest.s conftest.o
2491 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2492 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2493 [Define if your assembler supports the --gdwarf2 option.])
2495 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2497 AC_MSG_CHECKING(assembler --gstabs support)
2498 gcc_cv_as_gstabs_flag=no
2499 if test $in_tree_gas = yes ; then
2500 gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
2501 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2502 && test x"$insn" != x ; then
2503 gcc_cv_as_gstabs_flag="yes"
2506 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2507 echo '' > conftest.s
2508 # ??? This fails with non-gnu grep.
2509 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2510 gcc_cv_as_gstabs_flag="yes"
2512 rm -f conftest.s conftest.o
2514 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2515 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2516 [Define if your assembler supports the --gstabs option.])
2518 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2520 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2521 gcc_cv_ld_ro_rw_mix=unknown
2522 if test $in_tree_ld = yes ; then
2523 if test "$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
2524 gcc_cv_ld_ro_rw_mix=read-write
2526 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2527 echo '.section "myfoosect", "a"' > conftest1.s
2528 echo '.section "myfoosect", "aw"' > conftest2.s
2529 echo '.byte 1' >> conftest2.s
2530 echo '.section "myfoosect", "a"' > conftest3.s
2531 echo '.byte 0' >> conftest3.s
2532 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2533 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2534 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2535 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2536 conftest2.o conftest3.o; then
2537 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2538 | grep -A1 myfoosect`
2539 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2540 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2541 gcc_cv_ld_ro_rw_mix=read-only
2543 gcc_cv_ld_ro_rw_mix=read-write
2548 rm -f conftest.* conftest[123].*
2551 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2552 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2553 [Define if your linker links a mix of read-only
2554 and read-write sections into a read-write section.])
2556 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2558 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2559 gcc_cv_ld_eh_frame_hdr=no
2560 if test $in_tree_ld = yes ; then
2561 if test "$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
2562 gcc_cv_ld_eh_frame_hdr=yes
2564 elif test x$gcc_cv_ld != x; then
2565 # Check if linker supports --eh-frame-hdr option
2566 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2567 gcc_cv_ld_eh_frame_hdr=yes
2570 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2571 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2572 [Define if your linker supports --eh-frame-hdr option.])
2574 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2576 # Miscellaneous target-specific checks.
2579 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2580 gcc_cv_mips_libgloss_startup=no
2581 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2582 if test "x$exec_prefix" = xNONE; then
2583 if test "x$prefix" = xNONE; then
2584 test_prefix=/usr/local
2589 test_prefix=$exec_prefix
2591 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2593 if grep '^STARTUP' $f > /dev/null 2>&1; then
2594 gcc_cv_mips_libgloss_startup=yes
2598 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2599 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2600 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2602 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2604 AC_MSG_CHECKING(whether the assembler has explicit relocation support)
2605 if test x$gcc_cv_mips_explicit_relocs = x; then
2606 gcc_cv_mips_explicit_relocs=no
2607 if test x$gcc_cv_as != x; then
2608 echo ' lw $4,%gp_rel(foo)($4)' > conftest.s
2609 if $gcc_cv_as conftest.s -o conftest.o > /dev/null 2>&1; then
2610 gcc_cv_mips_explicit_relocs=yes
2612 rm -f conftest.s conftest.o
2615 if test $gcc_cv_mips_explicit_relocs = yes; then
2616 test x$target_cpu_default != x || target_cpu_default=0
2617 target_cpu_default="(${target_cpu_default}|MASK_EXPLICIT_RELOCS)"
2619 AC_MSG_RESULT($gcc_cv_mips_explicit_relocs)
2623 if test x$with_sysroot = x && test x$host = x$target \
2624 && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2625 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2628 # Figure out what language subdirectories are present.
2629 # Look if the user specified --enable-languages="..."; if not, use
2630 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2632 # NB: embedded tabs in this IF block -- do not untabify
2633 if test x"${enable_languages+set}" != xset; then
2634 if test x"${LANGUAGES+set}" = xset; then
2635 enable_languages="${LANGUAGES}"
2636 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2639 enable_languages=all
2642 if test x"${enable_languages}" = x \
2643 || test x"${enable_languages}" = xyes;
2645 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2648 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2650 # First scan to see if an enabled language requires some other language.
2651 # We assume that a given config-lang.in will list all the language
2652 # front ends it requires, even if some are required indirectly.
2653 for lang in ${srcdir}/*/config-lang.in ..
2658 # The odd quoting in the next line works around
2659 # an apparent bug in bash 1.12 on linux.
2661 ${srcdir}/[*]/config-lang.in)
2664 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2665 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2666 for other in $this_lang_requires
2668 case ,${enable_languages}, in
2674 enable_languages="$enable_languages,$other"
2683 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2686 for lang in ${srcdir}/*/config-lang.in ..
2690 # The odd quoting in the next line works around
2691 # an apparent bug in bash 1.12 on linux.
2693 ${srcdir}/[*]/config-lang.in) ;;
2695 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2696 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2697 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2698 if test "x$lang_alias" = x
2700 echo "$lang doesn't set \$language." 1>&2
2703 case ${build_by_default},${enable_languages}, in
2704 *,$lang_alias,*) add_this_lang=yes ;;
2705 no,*) add_this_lang=no ;;
2706 *,all,*) add_this_lang=yes ;;
2707 *) add_this_lang=no ;;
2709 found_languages="${found_languages} ${lang_alias}"
2710 if test x"${add_this_lang}" = xyes; then
2712 ${srcdir}/ada/config-lang.in)
2713 if test x$have_gnat = xyes ; then
2714 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2718 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2728 for expected_language in ${expected_languages} ..
2730 if test "${expected_language}" != ..; then
2731 missing_language="${expected_language}"
2732 if test "${expected_language}" = "c" \
2733 || test "${expected_language}" = "all"; then
2736 for found_language in ${found_languages} ..
2738 if test "${found_language}" != ..; then
2739 if test "${expected_language}" = "${found_language}"; then
2744 if test "x${missing_language}" != x; then
2745 missing_languages="${missing_languages} ${missing_language}"
2750 if test "x$missing_languages" != x; then
2752 The following requested languages were not found:${missing_languages}
2753 The following languages were available: c${found_languages}])
2756 # Make gthr-default.h if we have a thread file.
2758 if test $thread_file != single; then
2759 rm -f gthr-default.h
2760 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2761 gthread_flags=-DHAVE_GTHR_DEFAULT
2763 AC_SUBST(gthread_flags)
2765 # Find out what GC implementation we want, or may, use.
2767 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2774 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2779 echo "Using $GGC for garbage collection."
2781 # Use the system's zlib library.
2783 zlibinc="-I\$(srcdir)/../zlib"
2784 AC_ARG_WITH(system-zlib,
2785 [ --with-system-zlib use installed libz],
2792 dnl Very limited version of automake's enable-maintainer-mode
2794 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2795 dnl maintainer-mode is disabled by default
2796 AC_ARG_ENABLE(maintainer-mode,
2797 [ --enable-maintainer-mode
2798 enable make rules and dependencies not useful
2799 (and sometimes confusing) to the casual installer],
2800 maintainer_mode=$enableval,
2803 AC_MSG_RESULT($maintainer_mode)
2805 if test "$maintainer_mode" = "yes"; then
2812 # Make empty files to contain the specs and options for each language.
2813 # Then add #include lines to for a compiler that has specs and/or options.
2818 for subdir in . $subdirs
2820 if test -f $srcdir/$subdir/lang-specs.h; then
2821 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2823 if test -f $srcdir/$subdir/lang-options.h; then
2824 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2826 if test -f $srcdir/$subdir/$subdir-tree.def; then
2827 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2831 # These (without "all_") are set in each config-lang.in.
2832 # `language' must be a single word so is spelled singularly.
2837 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2838 # List of language makefile fragments.
2840 # Files for gengtype
2841 all_gtfiles="$target_gtfiles"
2842 # Files for gengtype with language
2843 all_gtfiles_files_langs=
2844 all_gtfiles_files_files=
2846 # Add the language fragments.
2847 # Languages are added via two mechanisms. Some information must be
2848 # recorded in makefile variables, these are defined in config-lang.in.
2849 # We accumulate them and plug them into the main Makefile.
2850 # The other mechanism is a set of hooks for each of the main targets
2851 # like `clean', `install', etc.
2853 language_fragments="Make-lang"
2854 language_hooks="Make-hooks"
2856 for s in .. $subdirs
2866 . ${srcdir}/$s/config-lang.in
2867 if test "x$language" = x
2869 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2872 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2873 if test -f ${srcdir}/$s/Makefile.in
2874 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2876 all_languages="$all_languages $language"
2877 if test "x$boot_language" = xyes
2879 all_boot_languages="$all_boot_languages $language"
2881 all_compilers="$all_compilers $compilers"
2882 all_stagestuff="$all_stagestuff $stagestuff"
2883 all_outputs="$all_outputs $outputs"
2884 all_gtfiles="$all_gtfiles $gtfiles"
2885 for f in .. $gtfiles
2889 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2890 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2896 # Pick up gtfiles for c
2899 . ${srcdir}/c-config-lang.in
2900 all_gtfiles="$all_gtfiles $gtfiles"
2901 for f in .. $gtfiles
2905 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2906 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2911 for language in .. $all_languages
2913 if test $language != ".."
2915 check_languages="$check_languages check-$language"
2919 # Since we can't use `::' targets, we link each language in
2920 # with a set of hooks, reached indirectly via lang.${target}.
2924 target_list="all.build all.cross start.encap rest.encap tags \
2925 info dvi generated-manpages \
2926 install-normal install-common install-info install-man \
2928 mostlyclean clean distclean extraclean maintainer-clean \
2929 stage1 stage2 stage3 stage4"
2930 for t in $target_list
2933 for lang in .. $all_languages
2935 if test $lang != ".."; then
2939 echo "lang.$t: $x" >> Make-hooks
2944 echo "dir ." > .gdbinit
2945 echo "dir ${srcdir}" >> .gdbinit
2946 if test x$gdb_needs_out_file_path = xyes
2948 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2950 if test "x$subdirs" != x; then
2953 echo "dir ${srcdir}/$s" >> .gdbinit
2956 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2958 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2959 # absolute path for gcc_tooldir based on inserting the number of up-directory
2960 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2961 # $(libsubdir)/@(unlibsubdir) based path.
2962 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2963 # make and thus we'd get different behavior depending on where we built the
2965 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2966 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2968 changequote(<<, >>)dnl
2969 # An explanation of the sed strings:
2970 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2971 # -e 's|/$||' match a trailing forward slash and eliminates it
2972 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2973 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2975 # (*) Note this pattern overwrites the first character of the string
2976 # with a forward slash if one is not already present. This is not a
2977 # problem because the exact names of the sub-directories concerned is
2978 # unimportant, just the number of them matters.
2980 # The practical upshot of these patterns is like this:
2982 # prefix exec_prefix result
2983 # ------ ----------- ------
2985 # /foo/ /foo/bar ../
2986 # /foo /foo/bar/ ../
2987 # /foo/ /foo/bar/ ../
2988 # /foo /foo/bar/ugg ../../
2991 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2992 changequote([, ])dnl
2994 AC_SUBST(gcc_tooldir)
2997 # Find a directory in which to install a shared libgcc.
2999 AC_ARG_ENABLE(version-specific-runtime-libs,
3000 [ --enable-version-specific-runtime-libs
3001 specify that runtime libraries should be
3002 installed in a compiler-specific directory])
3004 AC_ARG_WITH(slibdir,
3005 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
3006 slibdir="$with_slibdir",
3007 if test "${enable_version_specific_runtime_libs+set}" = set; then
3008 slibdir='$(libsubdir)'
3009 elif test "$host" != "$target"; then
3010 slibdir='$(build_tooldir)/lib'
3016 objdir=`${PWDCMD-pwd}`
3019 # Process the language and host/target makefile fragments.
3020 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
3022 # Substitute configuration variables
3025 AC_SUBST(all_boot_languages)
3026 AC_SUBST(all_compilers)
3027 AC_SUBST(all_gtfiles)
3028 AC_SUBST(all_gtfiles_files_langs)
3029 AC_SUBST(all_gtfiles_files_files)
3030 AC_SUBST(all_lang_makefiles)
3031 AC_SUBST(all_languages)
3032 AC_SUBST(all_stagestuff)
3033 AC_SUBST(build_exeext)
3034 AC_SUBST(build_install_headers_dir)
3035 AC_SUBST(build_xm_file_list)
3036 AC_SUBST(build_xm_file)
3037 AC_SUBST(build_xm_defines)
3038 AC_SUBST(check_languages)
3039 AC_SUBST(cc_set_by_configure)
3040 AC_SUBST(quoted_cc_set_by_configure)
3041 AC_SUBST(cpp_install_dir)
3042 AC_SUBST(dep_host_xmake_file)
3043 AC_SUBST(dep_tmake_file)
3044 AC_SUBST(extra_headers_list)
3045 AC_SUBST(extra_objs)
3046 AC_SUBST(extra_parts)
3047 AC_SUBST(extra_passes)
3048 AC_SUBST(extra_programs)
3049 AC_SUBST(float_h_file)
3050 AC_SUBST(gcc_config_arguments)
3051 AC_SUBST(gcc_gxx_include_dir)
3052 AC_SUBST(libstdcxx_incdir)
3053 AC_SUBST(gcc_version)
3054 AC_SUBST(gcc_version_full)
3055 AC_SUBST(gcc_version_trigger)
3056 AC_SUBST(host_exeext)
3057 AC_SUBST(host_extra_gcc_objs)
3058 AC_SUBST(host_xm_file_list)
3059 AC_SUBST(host_xm_file)
3060 AC_SUBST(host_xm_defines)
3061 AC_SUBST(out_host_hook_obj)
3063 AC_SUBST(lang_options_files)
3064 AC_SUBST(lang_specs_files)
3065 AC_SUBST(lang_tree_files)
3066 AC_SUBST(local_prefix)
3068 AC_SUBST(objc_boehm_gc)
3070 AC_SUBST(out_object_file)
3071 AC_SUBST(stage_prefix_set_by_configure)
3072 AC_SUBST(quoted_stage_prefix_set_by_configure)
3073 AC_SUBST(symbolic_link)
3074 AC_SUBST(thread_file)
3075 AC_SUBST(tm_file_list)
3077 AC_SUBST(tm_defines)
3078 AC_SUBST(tm_p_file_list)
3081 AC_SUBST(xm_defines)
3082 AC_SUBST(target_alias)
3083 AC_SUBST(c_target_objs)
3084 AC_SUBST(cxx_target_objs)
3085 AC_SUBST(target_cpu_default)
3087 AC_SUBST_FILE(target_overrides)
3088 AC_SUBST_FILE(host_overrides)
3089 AC_SUBST_FILE(language_fragments)
3090 AC_SUBST_FILE(language_hooks)
3092 # Echo that links are built
3093 if test x$host = x$target
3101 if test x$host != x$build
3103 str3=" on a $build system"
3106 if test "x$str2" != x || test "x$str3" != x
3111 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
3113 if test "x$str2" != x || test "x$str3" != x
3115 echo " ${str2}${str3}." 1>&2
3118 # Truncate the target if necessary
3119 if test x$host_truncate_target != x; then
3120 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
3123 # Configure the subdirectories
3124 # AC_CONFIG_SUBDIRS($subdirs)
3126 # Create the Makefile
3127 # and configure language subdirectories
3128 AC_OUTPUT($all_outputs,
3130 case x$CONFIG_HEADERS in
3131 xauto-host.h:config.in)
3134 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
3135 # bootstrapping and the installation procedure can still use
3136 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
3137 # FLAGS_TO_PASS has been modified to solve the problem there.
3138 # This is virtually a duplicate of what happens in configure.lang; we do
3139 # an extra check to make sure this only happens if ln -s can be used.
3140 if test "$symbolic_link" = "ln -s"; then
3141 for d in .. ${subdirs} fixinc ; do
3142 if test $d != ..; then
3143 STARTDIR=`${PWDCMD-pwd}`
3145 for t in stage1 stage2 stage3 stage4 include
3148 $symbolic_link ../$t $t 2>/dev/null
3154 # Avoid having to add intl to our include paths.
3155 if test -f intl/libintl.h; then
3156 echo creating libintl.h
3157 echo '#include "intl/libintl.h"' >libintl.h
3161 symbolic_link='$symbolic_link'