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 # If GNU cmp is present and recent enough, 'make compare' can be
649 # significantly faster.
650 gcc_AC_CHECK_PROG_VER(gnucmp, cmp, --version,
651 [(GNU diffutils) \([0-9][0-9.]*\)], [2.[4-9]*])
652 if test $gcc_cv_prog_cmp_modern = yes; then
653 make_compare_target=gnucompare
655 make_compare_target=slowcompare
657 AC_SUBST(make_compare_target)
660 dnl Don't use AC_PROG_LEX; we insist on flex.
661 dnl LEXLIB is not useful in gcc.
662 if test -f $srcdir/../flex/skel.c; then
663 FLEX='$(objdir)/../flex/flex'
665 AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
669 # The -L switch is so bison can find its skeleton file.
670 if test -f $srcdir/../bison/bison.simple; then
671 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
673 AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
676 # --------------------
677 # Checks for C headers
678 # --------------------
680 AC_MSG_CHECKING(for GNU C library)
681 AC_CACHE_VAL(gcc_cv_glibc,
683 [#include <features.h>],[
684 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
685 #error Not a GNU C library system
689 AC_MSG_RESULT($gcc_cv_glibc)
690 if test $gcc_cv_glibc = yes; then
691 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
696 gcc_AC_HEADER_STDBOOL
699 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
700 fcntl.h unistd.h sys/file.h sys/time.h \
701 sys/resource.h sys/param.h sys/times.h sys/stat.h \
702 direct.h malloc.h langinfo.h ldfcn.h wchar.h)
704 # Check for thread headers.
705 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
706 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
708 # These tests can't be done till we know if we have limits.h.
716 # Stage specific cflags for build.
722 stage1_cflags="-Wa,-J"
728 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
729 # sources; use -no-cpp-precomp to get to GNU cpp.
730 # Apple's GCC has bugs in designated initializer handling, so disable
732 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
735 AC_SUBST(stage1_cflags)
737 # These libraries may be used by collect2.
738 # We may need a special search path to get them linked.
739 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
741 for libs in '' -lld -lmld \
742 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
743 '-L/usr/lib/cmplrs/cc3.11 -lmld'
746 AC_TRY_LINK_FUNC(ldopen,
747 [gcc_cv_collect2_libs="$libs"; break])
750 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
751 case $gcc_cv_collect2_libs in
753 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
755 AC_SUBST(COLLECT2_LIBS)
757 # When building Ada code on Alpha, we need exc_resume which is usually in
758 # -lexc. So test for it.
761 AC_SEARCH_LIBS(exc_resume, exc)
764 AC_SUBST(GNAT_LIBEXC)
766 # Some systems put ldexp and frexp in libm instead of libc; assume
767 # they're both in the same place. jcf-dump needs them.
770 AC_SEARCH_LIBS(ldexp, m)
775 # See if the stage1 system preprocessor understands the ANSI C
776 # preprocessor stringification operator. (Used by symcat.h.)
779 # Use <inttypes.h> only if it exists,
780 # doesn't clash with <sys/types.h>, and declares intmax_t.
781 AC_MSG_CHECKING(for inttypes.h)
782 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
784 [#include <sys/types.h>
785 #include <inttypes.h>],
787 [gcc_cv_header_inttypes_h=yes],
788 gcc_cv_header_inttypes_h=no)])
789 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
790 if test $gcc_cv_header_inttypes_h = yes; then
791 AC_DEFINE(HAVE_INTTYPES_H, 1,
792 [Define if you have a working <inttypes.h> header file.])
795 dnl Disabled until we have a complete test for buggy enum bitfields.
796 dnl gcc_AC_C_ENUM_BF_UNSIGNED
798 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
799 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
800 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
801 scandir alphasort gettimeofday mbstowcs wcswidth)
803 if test x$ac_cv_func_mbstowcs = xyes; then
804 AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
805 [ AC_TRY_RUN([#include <stdlib.h>
811 gcc_cv_func_mbstowcs_works=yes,
812 gcc_cv_func_mbstowcs_works=no,
813 gcc_cv_func_mbstowcs_works=yes)])
814 if test x$gcc_cv_func_mbstowcs_works = xyes; then
815 AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1,
816 [Define this macro if mbstowcs does not crash when its
817 first argument is NULL.])
821 AC_CHECK_TYPE(ssize_t, int)
823 # Try to determine the array type of the second argument of getgroups
824 # for the target system (int or gid_t).
826 if test "${target}" = "${build}"; then
827 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
830 # This condition may need some tweaking. It should include all
831 # targets where the array type of the second argument of getgroups
832 # is int and the type of gid_t is not equivalent to int.
833 *-*-sunos* | *-*-ultrix*)
834 TARGET_GETGROUPS_T=int
837 TARGET_GETGROUPS_T=gid_t
841 AC_SUBST(TARGET_GETGROUPS_T)
843 gcc_AC_FUNC_PRINTF_PTR
848 *** UWIN may not be used as a host platform because
849 *** linking with posix.dll is not allowed by the GNU GPL])
852 # Under VMS, vfork works very different than on Unix. The standard test
853 # won't work, and it isn't easily adaptable. It makes more sense to
855 ac_cv_func_vfork_works=yes
859 AC_FUNC_MMAP_ANYWHERE
864 # We will need to find libiberty.h and ansidecl.h
865 saved_CFLAGS="$CFLAGS"
866 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
867 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
868 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
869 fprintf_unlocked strstr errno vasprintf \
870 malloc realloc calloc free basename getopt clock, , ,[
871 #include "ansidecl.h"
872 #include "system.h"])
874 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
875 #include "ansidecl.h"
877 #ifdef HAVE_SYS_RESOURCE_H
878 #include <sys/resource.h>
883 #include "ansidecl.h"
885 #ifdef HAVE_SYS_RESOURCE_H
886 #include <sys/resource.h>
888 ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long],
889 [Define to \`long' if <sys/resource.h> doesn't define.])])
891 gcc_AC_CHECK_DECLS(ldgetname, , ,[
892 #include "ansidecl.h"
899 gcc_AC_CHECK_DECLS(times, , ,[
900 #include "ansidecl.h"
902 #ifdef HAVE_SYS_TIMES_H
903 #include <sys/times.h>
907 # More time-related stuff.
908 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
910 #include "ansidecl.h"
912 #ifdef HAVE_SYS_TIMES_H
913 #include <sys/times.h>
915 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
916 if test $ac_cv_struct_tms = yes; then
917 AC_DEFINE(HAVE_STRUCT_TMS, 1,
918 [Define if <sys/times.h> defines struct tms.])
921 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
922 # revisit after autoconf 2.50.
923 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
925 #include "ansidecl.h"
927 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
928 if test $gcc_cv_type_clock_t = yes; then
929 AC_DEFINE(HAVE_CLOCK_T, 1,
930 [Define if <time.h> defines clock_t.])
933 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
935 #include "ansidecl.h"
938 [if ((uchar *)0) return 0;
939 if (sizeof(uchar)) return 0;],
940 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
941 if test $ac_cv_type_uchar = yes; then
942 AC_DEFINE(HAVE_UCHAR, 1,
943 [Define if <sys/types.h> defines \`uchar'.])
946 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
947 CFLAGS="$saved_CFLAGS"
949 gcc_AC_INITFINI_ARRAY
951 # mkdir takes a single argument on some systems.
952 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
960 # With Setjmp/Longjmp based exception handling.
961 AC_ARG_ENABLE(sjlj-exceptions,
962 [ --enable-sjlj-exceptions
963 arrange to use setjmp/longjmp exception handling],
964 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
965 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
966 [Define 0/1 to force the choice for exception handling model.])])
968 AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
969 # Use libunwind based exception handling.
970 AC_ARG_ENABLE(libunwind-exceptions,
971 [ --enable-libunwind-exceptions force use libunwind for exceptions],
972 use_libunwind_exceptions=$enableval,
973 use_libunwind_exceptions=$use_libunwind_default)
974 if test x"$use_libunwind_exceptions" = xyes; then
975 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
976 [Define if gcc should use -lunwind.])
979 # --------------------------------------------------------
980 # Build, host, and target specific configuration fragments
981 # --------------------------------------------------------
986 build_install_headers_dir=install-headers-tar
991 host_truncate_target=
994 # Decode the host machine, then the target machine.
995 # For the host machine, we save the xm_file variable as host_xm_file;
996 # then we decode the target machine and forget everything else
997 # that came from the host machine.
998 for machine in $build $host $target; do
999 . ${srcdir}/config.gcc
1002 extra_objs="${host_extra_objs} ${extra_objs}"
1004 # Default the target-machine variables that were not explicitly set.
1005 if test x"$tm_file" = x
1006 then tm_file=$cpu_type/$cpu_type.h; fi
1008 if test x"$extra_headers" = x
1009 then extra_headers=; fi
1011 if test x$md_file = x
1012 then md_file=$cpu_type/$cpu_type.md; fi
1014 if test x$out_file = x
1015 then out_file=$cpu_type/$cpu_type.c; fi
1017 if test x"$tmake_file" = x
1018 then tmake_file=$cpu_type/t-$cpu_type
1021 if test x"$dwarf2" = xyes
1022 then tm_file="$tm_file tm-dwarf2.h"
1025 # Say what files are being used for the output code and MD file.
1026 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
1027 echo "Using \`$srcdir/config/$md_file' as machine description file."
1029 # If any of the xm_file variables contain nonexistent files, warn
1030 # about them and drop them.
1033 for x in $build_xm_file; do
1034 if test -f $srcdir/config/$x
1036 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1042 for x in $host_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 $xm_file; do
1052 if test -f $srcdir/config/$x
1054 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1060 for f in $tm_file; do
1063 if test $count = ax; then
1064 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
1066 echo "Using the following target machine macro files:"
1067 for f in $tm_file; do
1068 echo " $srcdir/config/$f"
1072 if test x$need_64bit_hwint = xyes; then
1073 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
1074 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
1078 for f in $host_xm_file; do
1081 if test $count = a; then
1083 elif test $count = ax; then
1084 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
1086 echo "Using the following host machine macro files:"
1087 for f in $host_xm_file; do
1088 echo " $srcdir/config/$f"
1091 echo "Using ${out_host_hook_obj} for host machine hooks."
1093 if test "$host_xm_file" != "$build_xm_file"; then
1095 for f in $build_xm_file; do
1098 if test $count = a; then
1100 elif test $count = ax; then
1101 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
1103 echo "Using the following build machine macro files:"
1104 for f in $build_xm_file; do
1105 echo " $srcdir/config/$f"
1110 if test x$thread_file = x; then
1111 if test x$target_thread_file != x; then
1112 thread_file=$target_thread_file
1114 thread_file='single'
1118 # Look for a file containing extra machine modes.
1119 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
1120 extra_modes_file='$(srcdir)'/config/${extra_modes}
1121 AC_SUBST(extra_modes_file)
1122 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
1123 [Define to the name of a file containing a list of extra machine modes
1124 for this architecture.])
1125 AC_DEFINE(EXTRA_CC_MODES, 1,
1126 [Define if the target architecture needs extra machine modes to represent
1127 the results of comparisons.])
1130 # auto-host.h is the file containing items generated by autoconf and is
1131 # the first file included by config.h.
1132 # If host=build, it is correct to have bconfig include auto-host.h
1133 # as well. If host!=build, we are in error and need to do more
1134 # work to find out the build config parameters.
1135 if test x$host = x$build
1137 build_auto=auto-host.h
1140 # We create a subdir, then run autoconf in the subdir.
1141 # To prevent recursion we set host and build for the new
1142 # invocation of configure to the build for this invocation
1149 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
1150 *) realsrcdir=../${srcdir};;
1152 saved_CFLAGS="${CFLAGS}"
1153 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
1154 ${realsrcdir}/configure \
1155 --target=$target_alias --host=$build_alias --build=$build_alias
1156 CFLAGS="${saved_CFLAGS}"
1158 # We just finished tests for the build machine, so rename
1159 # the file auto-build.h in the gcc directory.
1160 mv auto-host.h ../auto-build.h
1163 build_auto=auto-build.h
1164 FORBUILD=../build-$build_alias
1168 tm_file="${tm_file} defaults.h"
1169 tm_p_file="${tm_p_file} tm-preds.h"
1170 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1171 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1172 # We don't want ansidecl.h in target files, write code there in ISO/GNU C.
1173 # put this back in temporarily.
1174 xm_file="ansidecl.h ${xm_file}"
1180 # Truncate the target if necessary
1181 if test x$host_truncate_target != x; then
1182 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
1185 # Get the version trigger filename from the toplevel
1186 if test "${with_gcc_version_trigger+set}" = set; then
1187 gcc_version_trigger=$with_gcc_version_trigger
1189 gcc_version_trigger=${srcdir}/version.c
1192 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1193 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1195 # Compile in configure arguments.
1196 if test -f configargs.h ; then
1197 # Being re-configured.
1198 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1199 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1201 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1203 cat > configargs.h <<EOF
1204 /* Generated automatically. */
1205 static const char configuration_arguments[] = "$gcc_config_arguments";
1206 static const char thread_model[] = "$thread_file";
1210 # Internationalization
1212 VERSION="$gcc_version"
1216 # Enable NLS support by default
1218 [ --enable-nls use Native Language Support (default)],
1221 # if cross compiling, disable NLS support.
1222 # It's not worth the trouble, at least for now.
1224 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
1225 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
1231 # Windows32 Registry support for specifying GCC installation paths.
1232 AC_ARG_ENABLE(win32-registry,
1233 [ --disable-win32-registry
1234 disable lookup of installation paths in the
1235 Registry on Windows hosts
1236 --enable-win32-registry enable registry lookup (default)
1237 --enable-win32-registry=KEY
1238 use KEY instead of GCC version as the last portion
1239 of the registry key],,)
1241 win32 | pe | cygwin* | mingw32* | uwin*)
1242 AC_MSG_CHECKING(whether windows registry support is requested)
1243 if test "x$enable_win32_registry" != xno; then
1244 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1245 [Define to 1 if installation paths should be looked up in Windows32
1246 Registry. Ignored on non windows32 hosts.])
1248 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1253 # Check if user specified a different registry key.
1254 case "x${enable_win32_registry}" in
1257 gcc_cv_win32_registry_key="$VERSION"
1260 # no registry lookup.
1261 gcc_cv_win32_registry_key=''
1264 # user-specified key.
1265 gcc_cv_win32_registry_key="$enable_win32_registry"
1269 if test "x$enable_win32_registry" != xno; then
1270 AC_MSG_CHECKING(registry key on windows hosts)
1271 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1272 [Define to be the last portion of registry key on windows hosts.])
1273 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1278 # Get an absolute path to the GCC top-level source directory
1279 holddir=`${PWDCMD-pwd}`
1281 topdir=`${PWDCMD-pwd}`
1284 # Conditionalize the makefile for this host machine.
1285 # Make-host contains the concatenation of all host makefile fragments
1286 # [there can be more than one]. This file is built by configure.frag.
1287 host_overrides=Make-host
1288 dep_host_xmake_file=
1289 for f in .. ${host_xmake_file}
1291 if test -f ${srcdir}/config/$f
1293 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
1297 # Conditionalize the makefile for this target machine.
1298 # Make-target contains the concatenation of all host makefile fragments
1299 # [there can be more than one]. This file is built by configure.frag.
1300 target_overrides=Make-target
1302 for f in .. ${tmake_file}
1304 if test -f ${srcdir}/config/$f
1306 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1310 symbolic_link='ln -s'
1312 # If the host doesn't support symlinks, modify CC in
1313 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1314 # Otherwise, we can use "CC=$(CC)".
1316 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1318 cc_set_by_configure="\$(CC)"
1319 quoted_cc_set_by_configure="\$(CC)"
1320 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1321 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1324 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1326 symbolic_link="cp -p"
1330 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1331 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1332 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1333 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1337 out_object_file=`basename $out_file .c`.o
1340 for f in $tm_file; do
1343 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1345 tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
1346 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1351 for f in $tm_p_file; do
1354 tm_p_file_list="${tm_p_file_list} $f" ;;
1355 *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;;
1360 for f in $host_xm_file; do
1363 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1365 host_xm_file_list="${host_xm_file_list} $f" ;;
1367 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1368 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1373 for f in $build_xm_file; do
1376 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1377 auto-build.h | auto-host.h )
1378 build_xm_file_list="${build_xm_file_list} $f" ;;
1380 host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
1381 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1385 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1386 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1387 CROSS= AC_SUBST(CROSS)
1388 ALL=all.internal AC_SUBST(ALL)
1389 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1390 if test x$host != x$target
1392 CROSS="-DCROSS_COMPILE"
1394 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1395 case "$host","$target" in
1396 i?86-*-*,x86_64-*-* \
1397 | powerpc*-*-*,powerpc64*-*-*)
1398 CROSS="$CROSS -DNATIVE_CROSS" ;;
1400 elif test "x$TARGET_SYSTEM_ROOT" != x; then
1401 # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)
1402 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1405 # If this is a cross-compiler that does not
1406 # have its own set of headers then define
1409 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1410 # This prevents libgcc2 from containing any code which requires libc
1413 if { test x$host != x$target && test "x$with_headers" = x &&
1414 test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then
1415 inhibit_libc=-Dinhibit_libc
1417 AC_SUBST(inhibit_libc)
1419 # When building gcc with a cross-compiler, we need to adjust things so
1420 # that the generator programs are still built with the native compiler.
1421 # Also, we cannot run fixincludes or fix-header.
1423 # These are the normal (build=host) settings:
1424 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1425 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1426 BUILD_CC='$(CC)' AC_SUBST(BUILD_CC)
1427 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1429 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1430 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1432 # And these apply if build != host.
1433 if test x$build != x$host
1436 BUILD_PREFIX_1=build-
1437 BUILD_CC='$(CC_FOR_BUILD)'
1438 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
1440 if test "x$TARGET_SYSTEM_ROOT" = x; then
1446 # Expand extra_headers to include complete path.
1447 # This substitutes for lots of t-* files.
1449 if test "x$extra_headers" = x
1452 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1453 for file in $extra_headers;
1455 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1459 # Add a definition of USE_COLLECT2 if system wants one.
1460 case $use_collect2 in
1461 no) use_collect2= ;;
1464 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1465 xm_defines="${xm_defines} USE_COLLECT2"
1469 # Identify the assembler which will work hand-in-glove with the newly
1470 # built GCC, so that we can examine its features. This is the assembler
1471 # which will be driven by the driver program.
1473 # If build != host, and we aren't building gas in-tree, we identify a
1474 # build->target assembler and hope that it will have the same features
1475 # as the host->target assembler we'll be using.
1476 AC_MSG_CHECKING(what assembler to use)
1479 gcc_cv_gas_major_version=
1480 gcc_cv_gas_minor_version=
1481 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1482 if test -x "$DEFAULT_ASSEMBLER"; then
1483 gcc_cv_as="$DEFAULT_ASSEMBLER"
1484 elif test -x "$AS"; then
1486 elif test -x as$host_exeext; then
1487 # Build using assembler in the current directory.
1488 gcc_cv_as=./as$host_exeext
1489 elif test -f $gcc_cv_as_gas_srcdir/configure.in \
1490 && test -f ../gas/Makefile; then
1491 # Single tree build which includes gas.
1493 _gcc_COMPUTE_GAS_VERSION
1494 rm -f as$host_exeext
1495 $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1498 if test "x$gcc_cv_as" = x; then
1499 # Search the same directories that the installed compiler will
1500 # search. Else we may find the wrong assembler and lose. If we
1501 # do not find a suitable assembler binary, then try the user's
1504 # Also note we have to check MD_EXEC_PREFIX before checking the
1505 # user's path. Unfortunately, there is no good way to get at the
1506 # value of MD_EXEC_PREFIX here. So we do a brute force search
1507 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1508 # to be fixed as part of the make/configure rewrite too.
1510 if test "x$exec_prefix" = xNONE; then
1511 if test "x$prefix" = xNONE; then
1512 test_prefix=/usr/local
1517 test_prefix=$exec_prefix
1520 # If the loop below does not find an assembler, then use whatever
1521 # one we can find in the users's path.
1523 if test "x$program_prefix" != xNONE; then
1524 gcc_cv_as=${program_prefix}as$host_exeext
1526 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1529 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1530 $test_prefix/lib/gcc-lib/$target_alias \
1531 /usr/lib/gcc/$target_alias/$gcc_version \
1532 /usr/lib/gcc/$target_alias \
1533 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1534 $test_prefix/$target_alias/bin"
1536 if test x$host = x$target; then
1537 test_dirs="$test_dirs \
1542 /bsd43/usr/lib/cmplrs/cc \
1543 /usr/cross64/usr/bin \
1544 /usr/lib/cmplrs/cc \
1545 /sysv/usr/lib/cmplrs/cc \
1546 /svr4/usr/lib/cmplrs/cc \
1550 for dir in $test_dirs; do
1551 if test -x $dir/as$host_exeext; then
1552 gcc_cv_as=$dir/as$host_exeext
1557 case $in_tree_gas in
1559 AC_MSG_RESULT("newly built gas")
1562 AC_MSG_RESULT($gcc_cv_as)
1566 # Identify the linker which will work hand-in-glove with the newly
1567 # built GCC, so that we can examine its features. This is the linker
1568 # which will be driven by the driver program.
1570 # If build != host, and we aren't building gas in-tree, we identify a
1571 # build->target linker and hope that it will have the same features
1572 # as the host->target linker we'll be using.
1573 AC_MSG_CHECKING(what linker to use)
1576 gcc_cv_gld_major_version=
1577 gcc_cv_gld_minor_version=
1578 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1579 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1580 if test -x "$DEFAULT_LINKER"; then
1581 gcc_cv_ld="$DEFAULT_LINKER"
1582 elif test -x "$LD"; then
1584 elif test -x collect-ld$host_exeext; then
1585 # Build using linker in the current directory.
1586 gcc_cv_ld=./collect-ld$host_exeext
1587 elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
1588 && test -f ../ld/Makefile; then
1589 # Single tree build which includes ld.
1591 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
1594 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1596 if test x$gcc_cv_gld_version != x; then
1601 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1602 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1604 rm -f collect-ld$host_exeext
1605 $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \
1609 if test "x$gcc_cv_ld" = x; then
1610 # Search the same directories that the installed compiler will
1611 # search. Else we may find the wrong linker and lose. If we
1612 # do not find a suitable linker binary, then try the user's
1615 # Also note we have to check MD_EXEC_PREFIX before checking the
1616 # user's path. Unfortunately, there is no good way to get at the
1617 # value of MD_EXEC_PREFIX here. So we do a brute force search
1618 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1619 # to be fixed as part of the make/configure rewrite too.
1621 if test "x$exec_prefix" = xNONE; then
1622 if test "x$prefix" = xNONE; then
1623 test_prefix=/usr/local
1628 test_prefix=$exec_prefix
1631 # If the loop below does not find an linker, then use whatever
1632 # one we can find in the users's path.
1634 if test "x$program_prefix" != xNONE; then
1635 gcc_cv_ld=${program_prefix}ld$host_exeext
1637 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1640 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1641 $test_prefix/lib/gcc-lib/$target_alias \
1642 /usr/lib/gcc/$target_alias/$gcc_version \
1643 /usr/lib/gcc/$target_alias \
1644 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1645 $test_prefix/$target_alias/bin"
1647 if test x$host = x$target; then
1648 test_dirs="$test_dirs \
1653 /bsd43/usr/lib/cmplrs/cc \
1654 /usr/cross64/usr/bin \
1655 /usr/lib/cmplrs/cc \
1656 /sysv/usr/lib/cmplrs/cc \
1657 /svr4/usr/lib/cmplrs/cc \
1661 for dir in $test_dirs; do
1662 if test -x $dir/ld$host_exeext; then
1663 gcc_cv_ld=$dir/ld$host_exeext
1670 AC_MSG_RESULT("newly built ld")
1673 AC_MSG_RESULT($gcc_cv_ld)
1677 # Figure out what nm we will be using.
1678 gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
1679 AC_MSG_CHECKING(what nm to use)
1681 if test -x nm$host_exeext; then
1682 gcc_cv_nm=./nm$host_exeext
1683 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1684 && test -f ../binutils/Makefile; then
1685 # Single tree build which includes binutils.
1687 gcc_cv_nm=./nm$host_exeext
1688 rm -f nm$host_exeext
1689 $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1690 elif test "x$program_prefix" != xNONE; then
1691 gcc_cv_nm=${program_prefix}nm$host_exeext
1693 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1696 yes) AC_MSG_RESULT("newly built nm") ;;
1697 no) AC_MSG_RESULT($gcc_cv_nm) ;;
1700 # Figure out what objdump we will be using.
1701 AC_MSG_CHECKING(what objdump to use)
1703 if test -x objdump$host_exeext; then
1704 gcc_cv_objdump=./objdump$host_exeext
1705 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1706 && test -f ../binutils/Makefile; then
1707 # Single tree build which includes binutils.
1709 gcc_cv_objdump=./objdump$host_exeext
1710 rm -f objdump$host_exeext
1711 $symbolic_link ../binutils/objdump$host_exeext \
1712 objdump$host_exeext 2>/dev/null
1713 elif test "x$program_prefix" != xNONE; then
1714 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1716 gcc_cv_objdump=`echo objdump | \
1717 sed ${program_transform_name}`$host_exeext
1719 case $in_tree_objdump in
1720 yes) AC_MSG_RESULT("newly built objdump") ;;
1721 no) AC_MSG_RESULT($gcc_cv_objdump) ;;
1724 # Figure out what assembler alignment features are present.
1725 AC_MSG_CHECKING(assembler alignment features)
1726 gcc_cv_as_alignment_features=none
1727 if test $in_tree_gas = yes; then
1728 # Gas version 2.6 and later support for .balign and .p2align.
1729 gcc_GAS_VERSION_GTE_IFELSE(2,6,0,[
1730 gcc_cv_as_alignment_features=".balign and .p2align"
1731 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1733 # Gas version 2.8 and later support specifying the maximum
1734 # bytes to skip when using .p2align.
1735 gcc_GAS_VERSION_GTE_IFELSE(2,8,0,[
1736 gcc_cv_as_alignment_features=".p2align including maximum skip"
1737 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1739 elif test x$gcc_cv_as != x; then
1740 # Check if we have .balign and .p2align
1741 echo ".balign 4" > conftest.s
1742 echo ".p2align 2" >> conftest.s
1743 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1744 gcc_cv_as_alignment_features=".balign and .p2align"
1745 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1747 rm -f conftest.s conftest.o
1748 # Check if specifying the maximum bytes to skip when
1749 # using .p2align is supported.
1750 echo ".p2align 4,,7" > conftest.s
1751 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1752 gcc_cv_as_alignment_features=".p2align including maximum skip"
1753 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1755 rm -f conftest.s conftest.o
1757 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1759 AC_MSG_CHECKING(assembler subsection support)
1760 gcc_cv_as_subsections=no
1761 if test $in_tree_gas = yes ; then
1762 gcc_GAS_VERSION_GTE_IFELSE(2,9,0,[
1763 if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1764 gcc_cv_as_subsections="working .subsection -1"
1767 elif test x$gcc_cv_as != x; then
1768 # Check if we have .subsection
1769 echo ".subsection 1" > conftest.s
1770 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1771 gcc_cv_as_subsections=".subsection"
1772 if test x$gcc_cv_nm != x; then
1773 cat > conftest.s <<EOF
1774 conftest_label1: .word 0
1776 conftest_label2: .word 0
1779 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1780 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1781 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1782 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1785 gcc_cv_as_subsections="working .subsection -1"
1790 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1792 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1793 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1794 [Define if your assembler supports .subsection and .subsection -1 starts
1795 emitting at the beginning of your section.])
1797 AC_MSG_RESULT($gcc_cv_as_subsections)
1799 AC_MSG_CHECKING(assembler weak support)
1801 if test $in_tree_gas = yes ; then
1802 gcc_GAS_VERSION_GTE_IFELSE(2,2,0,[
1803 gcc_cv_as_weak="yes"
1805 elif test x$gcc_cv_as != x; then
1806 # Check if we have .weak
1807 echo " .weak foobar" > conftest.s
1808 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1809 gcc_cv_as_weak="yes"
1811 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1813 if test x"$gcc_cv_as_weak" = xyes; then
1814 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1816 AC_MSG_RESULT($gcc_cv_as_weak)
1818 AC_MSG_CHECKING(assembler hidden support)
1820 if test $in_tree_gas = yes ; then
1821 gcc_GAS_VERSION_GTE_IFELSE(2,12,1,[
1822 if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1823 gcc_cv_as_hidden="yes"
1826 elif test x$gcc_cv_as != x; then
1827 # Check if we have .hidden
1828 echo " .hidden foobar" > conftest.s
1829 echo "foobar:" >> conftest.s
1830 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1831 gcc_cv_as_hidden="yes"
1833 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1835 # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1836 # This is irritatingly difficult to feature test for. Look for
1837 # the date string after the version number.
1838 ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
1839 if echo "$ld_ver" | grep GNU > /dev/null; then
1841 ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
1842 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1843 if test 0"$ld_date" -lt 20020404; then
1844 if test -n "$ld_date"; then
1845 # If there was date string, but was earlier than 2002-04-04, fail
1846 gcc_cv_as_hidden="no"
1847 elif test -z "$ld_vers"; then
1848 # If there was no date string nor ld version number, something is wrong
1849 gcc_cv_as_hidden="no"
1851 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1852 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1853 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1854 test -z "$ld_vers_patch" && ld_vers_patch=0
1855 if test "$ld_vers_major" -lt 2; then
1856 gcc_cv_as_hidden="no"
1857 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1858 gcc_cv_as_hidden="no"
1859 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
1860 -a "$ld_vers_patch" -eq 0; then
1861 gcc_cv_as_hidden="no"
1868 if test x"$gcc_cv_as_hidden" = xyes; then
1869 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1870 [Define if your assembler supports .hidden.])
1872 AC_MSG_RESULT($gcc_cv_as_hidden)
1873 libgcc_visibility=$gcc_cv_as_hidden
1876 if test x"$gnu_ld_flag" = x"no"; then
1877 # Even if using gas with .hidden support, the resulting object files
1878 # cannot be linked with the IRIX 6 O32 linker. With the N32 and
1879 # N64 linkers, the problem is that the linker refuses to accept
1880 # -call_shared (passed by default to the linker) and -r (used to
1881 # link the object file generated without .hidden directives with
1882 # one that hides symbols), so we also lose.
1883 libgcc_visibility=no
1887 AC_SUBST(libgcc_visibility)
1889 AC_MSG_CHECKING(assembler leb128 support)
1891 if test $in_tree_gas = yes ; then
1892 gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
1893 if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1894 gcc_cv_as_leb128="yes"
1897 elif test x$gcc_cv_as != x; then
1898 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1899 cat > conftest.s <<EOF
1907 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1908 gcc_cv_as_leb128="yes"
1910 # GAS versions before 2.11 do not support uleb128,
1911 # despite appearing to.
1912 # ??? There exists an elf-specific test that will crash
1913 # the assembler. Perhaps it's better to figure out whether
1914 # arbitrary sections are supported and try the test.
1915 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1916 if echo "$as_ver" | grep GNU > /dev/null; then
1918 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1919 as_major=`echo $as_ver | sed 's/\..*//'`
1920 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1922 if test $as_major -eq 2 -a $as_minor -lt 11; then
1923 gcc_cv_as_leb128="no"
1927 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1929 if test x"$gcc_cv_as_leb128" = xyes; then
1930 AC_DEFINE(HAVE_AS_LEB128, 1,
1931 [Define if your assembler supports .uleb128.])
1933 AC_MSG_RESULT($gcc_cv_as_leb128)
1935 AC_MSG_CHECKING(assembler eh_frame optimization)
1936 gcc_cv_as_eh_frame=no
1937 if test $in_tree_gas = yes ; then
1938 gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
1939 if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1940 gcc_cv_as_eh_frame="yes"
1943 elif test x$gcc_cv_as != x; then
1944 # Check if this is GAS.
1945 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1946 rm -f a.out 2> /dev/null
1947 if echo "$as_ver" | grep GNU > /dev/null; then
1948 # Versions up to and including 2.11.0 may mis-optimize
1949 # .eh_frame data. Try something.
1950 cat > conftest.s <<EOF
1957 .section .eh_frame,"aw",@progbits
1959 .4byte .LECIE1-.LSCIE1
1973 .4byte .LEFDE1-.LASFDE1
1975 .4byte .LASFDE1-__FRAME_BEGIN__
1984 cat > conftest.lit <<EOF
1985 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1986 0010 01000000 12000000 18000000 00000000 ................
1987 0020 08000000 04080000 0044 .........D
1989 cat > conftest.big <<EOF
1990 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1991 0010 00000001 00000012 00000018 00000000 ................
1992 0020 00000008 04000000 0844 .........D
1994 # If the assembler didn't choke, and we can objdump,
1995 # and we got the correct data, then succeed.
1996 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1997 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1998 | tail -3 > conftest.got \
1999 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
2000 || cmp conftest.big conftest.got > /dev/null 2>&1; }
2002 gcc_cv_as_eh_frame="yes"
2004 gcc_cv_as_eh_frame="bad"
2005 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
2006 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
2007 [Define if your assembler mis-optimizes .eh_frame data.])
2013 AC_MSG_RESULT($gcc_cv_as_eh_frame)
2015 AC_MSG_CHECKING(assembler section merging support)
2016 gcc_cv_as_shf_merge=no
2017 if test $in_tree_gas = yes ; then
2018 gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
2019 if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
2020 gcc_cv_as_shf_merge=yes
2023 elif test x$gcc_cv_as != x; then
2024 # Check if we support SHF_MERGE sections
2025 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
2026 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
2027 gcc_cv_as_shf_merge=yes
2029 rm -f conftest.s conftest.o
2031 if test x"$gcc_cv_as_shf_merge" = xyes; then
2032 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
2033 [Define if your assembler supports marking sections with SHF_MERGE flag.])
2035 AC_MSG_RESULT($gcc_cv_as_shf_merge)
2037 AC_MSG_CHECKING(assembler thread-local storage support)
2046 .section ".tdata","awT",@progbits
2049 ldq $27,__tls_get_addr($29) !literal!1
2050 lda $16,foo($29) !tlsgd!1
2051 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
2052 ldq $27,__tls_get_addr($29) !literal!2
2053 lda $16,foo($29) !tlsldm!2
2054 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
2055 ldq $1,foo($29) !gotdtprel
2056 ldah $2,foo($29) !dtprelhi
2057 lda $3,foo($2) !dtprello
2058 lda $4,foo($29) !dtprel
2059 ldq $1,foo($29) !gottprel
2060 ldah $2,foo($29) !tprelhi
2061 lda $3,foo($2) !tprello
2062 lda $4,foo($29) !tprel'
2069 .section ".tdata","awT",@progbits
2073 leal foo@TLSGD(,%ebx,1), %eax
2074 leal foo@TLSLDM(%ebx), %eax
2075 leal foo@DTPOFF(%eax), %edx
2076 movl foo@GOTTPOFF(%ebx), %eax
2077 subl foo@GOTTPOFF(%ebx), %eax
2078 addl foo@GOTNTPOFF(%ebx), %eax
2079 movl foo@INDNTPOFF, %eax
2080 movl $foo@TPOFF, %eax
2081 subl $foo@TPOFF, %eax
2082 leal foo@NTPOFF(%ecx), %eax'
2088 .section ".tdata","awT",@progbits
2092 leaq foo@TLSGD(%rip), %rdi
2093 leaq foo@TLSLD(%rip), %rdi
2094 leaq foo@DTPOFF(%rax), %rdx
2095 movq foo@GOTTPOFF(%rip), %rax
2096 movq $foo@TPOFF, %rax'
2102 .section ".tdata","awT",@progbits
2105 addl r16 = @ltoff(@dtpmod(foo#)), gp
2106 addl r17 = @ltoff(@dtprel(foo#)), gp
2107 addl r18 = @ltoff(@tprel(foo#)), gp
2108 addl r19 = @dtprel(foo#), gp
2109 adds r21 = @dtprel(foo#), r13
2110 movl r23 = @dtprel(foo#)
2111 addl r20 = @tprel(foo#), gp
2112 adds r22 = @tprel(foo#), r13
2113 movl r24 = @tprel(foo#)'
2119 .section ".tdata","awT",@progbits
2128 l %r1,foo@GOTNTPOFF(%r12)
2129 l %r1,0(%r1):tls_load:foo
2130 bas %r14,0(%r1,%r13):tls_gdcall:foo
2131 bas %r14,0(%r1,%r13):tls_ldcall:foo'
2137 .section ".tdata","awT",@progbits
2145 lg %r1,foo@GOTNTPOFF(%r12)
2146 larl %r1,foo@INDNTPOFF
2147 brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
2148 brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
2153 if test -z "$tls_first_major"; then
2155 elif test $in_tree_gas = yes ; then
2156 gcc_GAS_VERSION_GTE_IFELSE($tls_first_major,$tls_first_minor,0,[
2159 elif test x$gcc_cv_as != x; then
2160 echo "$conftest_s" > conftest.s
2161 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
2165 rm -f conftest.s conftest.o
2167 if test "$gcc_cv_as_tls" = yes; then
2168 AC_DEFINE(HAVE_AS_TLS, 1,
2169 [Define if your assembler supports thread-local storage.])
2171 AC_MSG_RESULT($gcc_cv_as_tls)
2174 # All TARGET_ABI_OSF targets.
2175 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
2176 AC_CACHE_CHECK([assembler supports explicit relocations],
2177 gcc_cv_as_explicit_relocs, [
2178 gcc_cv_as_explicit_relocs=unknown
2179 if test $in_tree_gas = yes ; then
2180 gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
2181 gcc_cv_as_explicit_relocs=yes
2183 elif test x$gcc_cv_as != x; then
2184 cat > conftest.s << 'EOF'
2187 extbl $3, $2, $3 !lituse_bytoff!1
2188 ldq $2, a($29) !literal!1
2189 ldq $4, b($29) !literal!2
2190 ldq_u $3, 0($2) !lituse_base!1
2191 ldq $27, f($29) !literal!5
2192 jsr $26, ($27), f !lituse_jsr!5
2193 ldah $29, 0($26) !gpdisp!3
2194 lda $0, c($29) !gprel
2195 ldah $1, d($29) !gprelhigh
2196 lda $1, d($1) !gprellow
2197 lda $29, 0($29) !gpdisp!3
2199 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2200 gcc_cv_as_explicit_relocs=yes
2202 gcc_cv_as_explicit_relocs=no
2204 rm -f conftest.s conftest.o
2207 if test "x$gcc_cv_as_explicit_relocs" = xyes; then
2208 AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2209 [Define if your assembler supports explicit relocations.])
2213 AC_CACHE_CHECK([assembler .register pseudo-op support],
2214 gcc_cv_as_register_pseudo_op, [
2215 gcc_cv_as_register_pseudo_op=unknown
2216 if test x$gcc_cv_as != x; then
2217 # Check if we have .register
2218 echo ".register %g2, #scratch" > conftest.s
2219 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2220 gcc_cv_as_register_pseudo_op=yes
2222 gcc_cv_as_register_pseudo_op=no
2224 rm -f conftest.s conftest.o
2227 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
2228 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2229 [Define if your assembler supports .register.])
2232 AC_CACHE_CHECK([assembler supports -relax],
2233 gcc_cv_as_relax_opt, [
2234 gcc_cv_as_relax_opt=unknown
2235 if test x$gcc_cv_as != x; then
2236 # Check if gas supports -relax
2237 echo ".text" > conftest.s
2238 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
2239 gcc_cv_as_relax_opt=yes
2241 gcc_cv_as_relax_opt=no
2243 rm -f conftest.s conftest.o
2246 if test "x$gcc_cv_as_relax_opt" = xyes; then
2247 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2248 [Define if your assembler supports -relax option.])
2251 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
2252 gcc_cv_as_sparc_ua_pcrel, [
2253 gcc_cv_as_sparc_ua_pcrel=unknown
2254 if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
2255 gcc_cv_as_sparc_ua_pcrel=no
2256 echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
2257 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2258 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2259 gcc_cv_as_sparc_ua_pcrel=yes
2261 rm -f conftest.s conftest.o conftest
2264 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2265 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2266 [Define if your assembler and linker support unaligned PC relative relocs.])
2269 AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
2270 gcc_cv_as_sparc_ua_pcrel_hidden, [
2271 if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
2272 gcc_cv_as_sparc_ua_pcrel_hidden=unknown
2273 if test x$gcc_cv_objdump != x; then
2274 gcc_cv_as_sparc_ua_pcrel_hidden=no
2275 echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
2276 echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
2277 echo "foo: .skip 4" >> conftest.s
2278 if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
2279 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2280 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2281 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2282 if $gcc_cv_objdump -R conftest 2> /dev/null \
2283 | grep 'DISP32' > /dev/null 2>&1; then
2286 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2290 rm -f conftest.s conftest.o conftest
2292 gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
2295 if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
2296 AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2297 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
2300 AC_CACHE_CHECK([for assembler offsetable %lo() support],
2301 gcc_cv_as_offsetable_lo10, [
2302 gcc_cv_as_offsetable_lo10=unknown
2303 if test "x$gcc_cv_as" != x; then
2304 # Check if assembler has offsetable %lo()
2305 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
2306 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
2307 if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
2309 $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
2310 > /dev/null 2>&1; then
2311 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
2312 gcc_cv_as_offsetable_lo10=no
2314 gcc_cv_as_offsetable_lo10=yes
2317 gcc_cv_as_offsetable_lo10=no
2319 rm -f conftest.s conftest.o conftest1.s conftest1.o
2322 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
2323 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2324 [Define if your assembler supports offsetable %lo().])
2330 i[34567]86-*-* | x86_64-*-*)
2332 AC_MSG_CHECKING(assembler instructions)
2333 gcc_cv_as_instructions=
2334 if test $in_tree_gas = yes ; then
2335 gcc_GAS_VERSION_GTE_IFELSE(2,9,0,[
2336 gcc_cv_as_instructions="filds fists"
2338 elif test x$gcc_cv_as != x; then
2339 set "filds fists" "filds mem; fists mem"
2342 echo "$2" > conftest.s
2343 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2344 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
2348 rm -f conftest.s conftest.o
2350 if test x"$gcc_cv_as_instructions" != x; then
2351 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
2353 AC_MSG_RESULT($gcc_cv_as_instructions)
2355 AC_MSG_CHECKING(assembler GOTOFF in data directives)
2356 gcc_cv_as_gotoff_in_data=no
2357 if test $in_tree_gas = yes ; then
2358 gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
2359 gcc_cv_as_gotoff_in_data=yes
2361 elif test x$gcc_cv_as != x; then
2362 cat > conftest.s <<EOF
2369 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2370 gcc_cv_as_gotoff_in_data=yes
2373 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2374 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2375 [Define true if the assembler supports '.long foo@GOTOFF'.])
2376 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
2380 AC_CACHE_CHECK([assembler supports ltoffx and ldxmov],
2381 gcc_cv_as_ltoffx_ldxmov_relocs, [
2382 gcc_cv_as_ltoffx_ldxmov_relocs=unknown
2383 if test $in_tree_gas = yes ; then
2384 gcc_GAS_VERSION_GTE_IFELSE(2,14,0,[
2385 gcc_cv_as_ltoffx_ldxmov_relocs=yes
2387 elif test x$gcc_cv_as != x; then
2388 cat > conftest.s << 'EOF'
2391 addl r15 = @ltoffx(x#), gp
2393 ld8.mov r16 = [r15], x#
2396 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
2397 gcc_cv_as_ltoffx_ldxmov_relocs=yes
2399 gcc_cv_as_ltoffx_ldxmov_relocs=no
2401 rm -f conftest.s conftest.o
2404 if test "x$gcc_cv_as_ltoffx_ldxmov_relocs" = xyes; then
2405 AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
2406 [Define if your assembler supports ltoffx and ldxmov relocations.])
2411 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
2412 gcc_cv_as_dwarf2_debug_line=no
2413 # ??? Not all targets support dwarf2 debug_line, even within a version
2414 # of gas. Moreover, we need to emit a valid instruction to trigger any
2415 # info to the output file. So, as supported targets are added to gas 2.11,
2416 # add some instruction here to (also) show we expect this might work.
2417 # ??? Once 2.11 is released, probably need to add first known working
2418 # version to the per-target configury.
2420 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2421 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*)
2428 if test $in_tree_gas = yes ; then
2429 gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
2430 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2431 && test x"$insn" != x ; then
2432 gcc_cv_as_dwarf2_debug_line="yes"
2435 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2436 echo ' .file 1 "conftest.s"' > conftest.s
2437 echo ' .loc 1 3 0' >> conftest.s
2438 echo " $insn" >> conftest.s
2439 # ??? This fails with non-gnu grep.
2440 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
2441 && grep debug_line conftest.o > /dev/null 2>&1 ; then
2442 # The .debug_line file table must be in the exact order that
2443 # we specified the files, since these indices are also used
2444 # by DW_AT_decl_file. Approximate this test by testing if
2445 # the assembler bitches if the same index is assigned twice.
2446 echo ' .file 1 "foo.s"' > conftest.s
2447 echo ' .file 1 "bar.s"' >> conftest.s
2448 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
2450 gcc_cv_as_dwarf2_debug_line="no"
2452 gcc_cv_as_dwarf2_debug_line="yes"
2455 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
2457 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
2458 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2459 [Define if your assembler supports dwarf2 .file/.loc directives,
2460 and preserves file table indices exactly as given.])
2462 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
2464 AC_MSG_CHECKING(assembler --gdwarf2 support)
2465 gcc_cv_as_gdwarf2_flag=no
2466 if test $in_tree_gas = yes ; then
2467 gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
2468 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2469 && test x"$insn" != x ; then
2470 gcc_cv_as_gdwarf2_flag="yes"
2473 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2474 echo '' > conftest.s
2475 # ??? This fails with non-gnu grep.
2476 if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
2478 gcc_cv_as_gdwarf2_flag="yes"
2480 rm -f conftest.s conftest.o
2482 if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
2483 AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2484 [Define if your assembler supports the --gdwarf2 option.])
2486 AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
2488 AC_MSG_CHECKING(assembler --gstabs support)
2489 gcc_cv_as_gstabs_flag=no
2490 if test $in_tree_gas = yes ; then
2491 gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
2492 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
2493 && test x"$insn" != x ; then
2494 gcc_cv_as_gstabs_flag="yes"
2497 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
2498 echo '' > conftest.s
2499 # ??? This fails with non-gnu grep.
2500 if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
2501 gcc_cv_as_gstabs_flag="yes"
2503 rm -f conftest.s conftest.o
2505 if test x"$gcc_cv_as_gstabs_flag" = xyes; then
2506 AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2507 [Define if your assembler supports the --gstabs option.])
2509 AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
2511 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2512 gcc_cv_ld_ro_rw_mix=unknown
2513 if test $in_tree_ld = yes ; then
2514 if test "$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
2515 gcc_cv_ld_ro_rw_mix=read-write
2517 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2518 echo '.section "myfoosect", "a"' > conftest1.s
2519 echo '.section "myfoosect", "aw"' > conftest2.s
2520 echo '.byte 1' >> conftest2.s
2521 echo '.section "myfoosect", "a"' > conftest3.s
2522 echo '.byte 0' >> conftest3.s
2523 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2524 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2525 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2526 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2527 conftest2.o conftest3.o; then
2528 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2529 | grep -A1 myfoosect`
2530 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2531 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2532 gcc_cv_ld_ro_rw_mix=read-only
2534 gcc_cv_ld_ro_rw_mix=read-write
2539 rm -f conftest.* conftest[123].*
2542 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2543 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2544 [Define if your linker links a mix of read-only
2545 and read-write sections into a read-write section.])
2547 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2549 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2550 gcc_cv_ld_eh_frame_hdr=no
2551 if test $in_tree_ld = yes ; then
2552 if test "$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
2553 gcc_cv_ld_eh_frame_hdr=yes
2555 elif test x$gcc_cv_ld != x; then
2556 # Check if linker supports --eh-frame-hdr option
2557 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2558 gcc_cv_ld_eh_frame_hdr=yes
2561 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2562 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2563 [Define if your linker supports --eh-frame-hdr option.])
2565 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2567 # Miscellaneous target-specific checks.
2570 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2571 gcc_cv_mips_libgloss_startup=no
2572 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2573 if test "x$exec_prefix" = xNONE; then
2574 if test "x$prefix" = xNONE; then
2575 test_prefix=/usr/local
2580 test_prefix=$exec_prefix
2582 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2584 if grep '^STARTUP' $f > /dev/null 2>&1; then
2585 gcc_cv_mips_libgloss_startup=yes
2589 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2590 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2591 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2593 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2597 if test x$with_sysroot = x && test x$host = x$target \
2598 && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2599 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
2602 # Figure out what language subdirectories are present.
2603 # Look if the user specified --enable-languages="..."; if not, use
2604 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2606 # NB: embedded tabs in this IF block -- do not untabify
2607 if test x"${enable_languages+set}" != xset; then
2608 if test x"${LANGUAGES+set}" = xset; then
2609 enable_languages="${LANGUAGES}"
2610 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2613 enable_languages=all
2616 if test x"${enable_languages}" = x \
2617 || test x"${enable_languages}" = xyes;
2619 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2622 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2624 # First scan to see if an enabled language requires some other language.
2625 # We assume that a given config-lang.in will list all the language
2626 # front ends it requires, even if some are required indirectly.
2627 for lang in ${srcdir}/*/config-lang.in ..
2632 # The odd quoting in the next line works around
2633 # an apparent bug in bash 1.12 on linux.
2635 ${srcdir}/[*]/config-lang.in)
2638 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2639 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2640 for other in $this_lang_requires
2642 case ,${enable_languages}, in
2648 enable_languages="$enable_languages,$other"
2657 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2660 for lang in ${srcdir}/*/config-lang.in ..
2664 # The odd quoting in the next line works around
2665 # an apparent bug in bash 1.12 on linux.
2667 ${srcdir}/[*]/config-lang.in) ;;
2669 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2670 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2671 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2672 if test "x$lang_alias" = x
2674 echo "$lang doesn't set \$language." 1>&2
2677 case ${build_by_default},${enable_languages}, in
2678 *,$lang_alias,*) add_this_lang=yes ;;
2679 no,*) add_this_lang=no ;;
2680 *,all,*) add_this_lang=yes ;;
2681 *) add_this_lang=no ;;
2683 found_languages="${found_languages} ${lang_alias}"
2684 if test x"${add_this_lang}" = xyes; then
2686 ${srcdir}/ada/config-lang.in)
2687 if test x$have_gnat = xyes ; then
2688 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2692 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2702 for expected_language in ${expected_languages} ..
2704 if test "${expected_language}" != ..; then
2705 missing_language="${expected_language}"
2706 if test "${expected_language}" = "c" \
2707 || test "${expected_language}" = "all"; then
2710 for found_language in ${found_languages} ..
2712 if test "${found_language}" != ..; then
2713 if test "${expected_language}" = "${found_language}"; then
2718 if test "x${missing_language}" != x; then
2719 missing_languages="${missing_languages} ${missing_language}"
2724 if test "x$missing_languages" != x; then
2726 The following requested languages were not found:${missing_languages}
2727 The following languages were available: c${found_languages}])
2730 # Make gthr-default.h if we have a thread file.
2732 if test $thread_file != single; then
2733 rm -f gthr-default.h
2734 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2735 gthread_flags=-DHAVE_GTHR_DEFAULT
2737 AC_SUBST(gthread_flags)
2739 # Find out what GC implementation we want, or may, use.
2741 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2748 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2753 echo "Using $GGC for garbage collection."
2755 # Use the system's zlib library.
2757 zlibinc="-I\$(srcdir)/../zlib"
2758 AC_ARG_WITH(system-zlib,
2759 [ --with-system-zlib use installed libz],
2766 dnl Very limited version of automake's enable-maintainer-mode
2768 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2769 dnl maintainer-mode is disabled by default
2770 AC_ARG_ENABLE(maintainer-mode,
2771 [ --enable-maintainer-mode
2772 enable make rules and dependencies not useful
2773 (and sometimes confusing) to the casual installer],
2774 maintainer_mode=$enableval,
2777 AC_MSG_RESULT($maintainer_mode)
2779 if test "$maintainer_mode" = "yes"; then
2786 # Make empty files to contain the specs and options for each language.
2787 # Then add #include lines to for a compiler that has specs and/or options.
2792 for subdir in . $subdirs
2794 if test -f $srcdir/$subdir/lang-specs.h; then
2795 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2797 if test -f $srcdir/$subdir/lang-options.h; then
2798 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
2800 if test -f $srcdir/$subdir/$subdir-tree.def; then
2801 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2805 # These (without "all_") are set in each config-lang.in.
2806 # `language' must be a single word so is spelled singularly.
2811 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2812 # List of language makefile fragments.
2814 # Files for gengtype
2815 all_gtfiles="$target_gtfiles"
2816 # Files for gengtype with language
2817 all_gtfiles_files_langs=
2818 all_gtfiles_files_files=
2820 # Add the language fragments.
2821 # Languages are added via two mechanisms. Some information must be
2822 # recorded in makefile variables, these are defined in config-lang.in.
2823 # We accumulate them and plug them into the main Makefile.
2824 # The other mechanism is a set of hooks for each of the main targets
2825 # like `clean', `install', etc.
2827 language_fragments="Make-lang"
2828 language_hooks="Make-hooks"
2830 for s in .. $subdirs
2840 . ${srcdir}/$s/config-lang.in
2841 if test "x$language" = x
2843 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2846 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
2847 if test -f ${srcdir}/$s/Makefile.in
2848 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
2850 all_languages="$all_languages $language"
2851 if test "x$boot_language" = xyes
2853 all_boot_languages="$all_boot_languages $language"
2855 all_compilers="$all_compilers $compilers"
2856 all_stagestuff="$all_stagestuff $stagestuff"
2857 all_outputs="$all_outputs $outputs"
2858 all_gtfiles="$all_gtfiles $gtfiles"
2859 for f in .. $gtfiles
2863 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2864 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2870 # Pick up gtfiles for c
2873 . ${srcdir}/c-config-lang.in
2874 all_gtfiles="$all_gtfiles $gtfiles"
2875 for f in .. $gtfiles
2879 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2880 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2885 for language in .. $all_languages
2887 if test $language != ".."
2889 check_languages="$check_languages check-$language"
2893 # Since we can't use `::' targets, we link each language in
2894 # with a set of hooks, reached indirectly via lang.${target}.
2898 target_list="all.build all.cross start.encap rest.encap tags \
2899 info dvi generated-manpages \
2900 install-normal install-common install-info install-man \
2902 mostlyclean clean distclean extraclean maintainer-clean \
2903 stage1 stage2 stage3 stage4"
2904 for t in $target_list
2907 for lang in .. $all_languages
2909 if test $lang != ".."; then
2913 echo "lang.$t: $x" >> Make-hooks
2918 echo "dir ." > .gdbinit
2919 echo "dir ${srcdir}" >> .gdbinit
2920 if test x$gdb_needs_out_file_path = xyes
2922 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2924 if test "x$subdirs" != x; then
2927 echo "dir ${srcdir}/$s" >> .gdbinit
2930 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2932 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2933 # absolute path for gcc_tooldir based on inserting the number of up-directory
2934 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2935 # $(libsubdir)/@(unlibsubdir) based path.
2936 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2937 # make and thus we'd get different behavior depending on where we built the
2939 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2940 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2942 changequote(<<, >>)dnl
2943 # An explanation of the sed strings:
2944 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2945 # -e 's|/$||' match a trailing forward slash and eliminates it
2946 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2947 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2949 # (*) Note this pattern overwrites the first character of the string
2950 # with a forward slash if one is not already present. This is not a
2951 # problem because the exact names of the sub-directories concerned is
2952 # unimportant, just the number of them matters.
2954 # The practical upshot of these patterns is like this:
2956 # prefix exec_prefix result
2957 # ------ ----------- ------
2959 # /foo/ /foo/bar ../
2960 # /foo /foo/bar/ ../
2961 # /foo/ /foo/bar/ ../
2962 # /foo /foo/bar/ugg ../../
2965 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2966 changequote([, ])dnl
2968 AC_SUBST(gcc_tooldir)
2971 # Find a directory in which to install a shared libgcc.
2973 AC_ARG_ENABLE(version-specific-runtime-libs,
2974 [ --enable-version-specific-runtime-libs
2975 specify that runtime libraries should be
2976 installed in a compiler-specific directory])
2978 AC_ARG_WITH(slibdir,
2979 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2980 slibdir="$with_slibdir",
2981 if test "${enable_version_specific_runtime_libs+set}" = set; then
2982 slibdir='$(libsubdir)'
2983 elif test "$host" != "$target"; then
2984 slibdir='$(build_tooldir)/lib'
2990 objdir=`${PWDCMD-pwd}`
2993 # Process the language and host/target makefile fragments.
2994 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2996 # Substitute configuration variables
2999 AC_SUBST(all_boot_languages)
3000 AC_SUBST(all_compilers)
3001 AC_SUBST(all_gtfiles)
3002 AC_SUBST(all_gtfiles_files_langs)
3003 AC_SUBST(all_gtfiles_files_files)
3004 AC_SUBST(all_lang_makefiles)
3005 AC_SUBST(all_languages)
3006 AC_SUBST(all_stagestuff)
3007 AC_SUBST(build_exeext)
3008 AC_SUBST(build_install_headers_dir)
3009 AC_SUBST(build_xm_file_list)
3010 AC_SUBST(build_xm_file)
3011 AC_SUBST(build_xm_defines)
3012 AC_SUBST(check_languages)
3013 AC_SUBST(cc_set_by_configure)
3014 AC_SUBST(quoted_cc_set_by_configure)
3015 AC_SUBST(cpp_install_dir)
3016 AC_SUBST(dep_host_xmake_file)
3017 AC_SUBST(dep_tmake_file)
3018 AC_SUBST(extra_headers_list)
3019 AC_SUBST(extra_objs)
3020 AC_SUBST(extra_parts)
3021 AC_SUBST(extra_passes)
3022 AC_SUBST(extra_programs)
3023 AC_SUBST(float_h_file)
3024 AC_SUBST(gcc_config_arguments)
3025 AC_SUBST(gcc_gxx_include_dir)
3026 AC_SUBST(libstdcxx_incdir)
3027 AC_SUBST(gcc_version)
3028 AC_SUBST(gcc_version_full)
3029 AC_SUBST(gcc_version_trigger)
3030 AC_SUBST(host_exeext)
3031 AC_SUBST(host_extra_gcc_objs)
3032 AC_SUBST(host_xm_file_list)
3033 AC_SUBST(host_xm_file)
3034 AC_SUBST(host_xm_defines)
3035 AC_SUBST(out_host_hook_obj)
3037 AC_SUBST(lang_options_files)
3038 AC_SUBST(lang_specs_files)
3039 AC_SUBST(lang_tree_files)
3040 AC_SUBST(local_prefix)
3042 AC_SUBST(objc_boehm_gc)
3044 AC_SUBST(out_object_file)
3045 AC_SUBST(stage_prefix_set_by_configure)
3046 AC_SUBST(quoted_stage_prefix_set_by_configure)
3047 AC_SUBST(symbolic_link)
3048 AC_SUBST(thread_file)
3049 AC_SUBST(tm_file_list)
3051 AC_SUBST(tm_defines)
3052 AC_SUBST(tm_p_file_list)
3055 AC_SUBST(xm_defines)
3056 AC_SUBST(target_alias)
3057 AC_SUBST(c_target_objs)
3058 AC_SUBST(cxx_target_objs)
3059 AC_SUBST(target_cpu_default)
3061 AC_SUBST_FILE(target_overrides)
3062 AC_SUBST_FILE(host_overrides)
3063 AC_SUBST_FILE(language_fragments)
3064 AC_SUBST_FILE(language_hooks)
3066 # Echo that links are built
3067 if test x$host = x$target
3075 if test x$host != x$build
3077 str3=" on a $build system"
3080 if test "x$str2" != x || test "x$str3" != x
3085 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
3087 if test "x$str2" != x || test "x$str3" != x
3089 echo " ${str2}${str3}." 1>&2
3092 # Truncate the target if necessary
3093 if test x$host_truncate_target != x; then
3094 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
3097 # Configure the subdirectories
3098 # AC_CONFIG_SUBDIRS($subdirs)
3100 # Create the Makefile
3101 # and configure language subdirectories
3102 AC_OUTPUT($all_outputs,
3104 case x$CONFIG_HEADERS in
3105 xauto-host.h:config.in)
3108 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
3109 # bootstrapping and the installation procedure can still use
3110 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
3111 # FLAGS_TO_PASS has been modified to solve the problem there.
3112 # This is virtually a duplicate of what happens in configure.lang; we do
3113 # an extra check to make sure this only happens if ln -s can be used.
3114 if test "$symbolic_link" = "ln -s"; then
3115 for d in .. ${subdirs} fixinc ; do
3116 if test $d != ..; then
3117 STARTDIR=`${PWDCMD-pwd}`
3119 for t in stage1 stage2 stage3 stage4 include
3122 $symbolic_link ../$t $t 2>/dev/null
3128 # Avoid having to add intl to our include paths.
3129 if test -f intl/libintl.h; then
3130 echo creating libintl.h
3131 echo '#include "intl/libintl.h"' >libintl.h
3135 symbolic_link='$symbolic_link'