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 # Determine the noncanonical target name, for directory use.
36 _GCC_TOPLEV_NONCANONICAL_TARGET
38 # Determine the target- and build-specific subdirectories
41 # Set program_transform_name
44 # Check for bogus environment variables.
45 # Test if LIBRARY_PATH contains the notation for the current directory
46 # since this would lead to problems installing/building glibc.
47 # LIBRARY_PATH contains the current directory if one of the following
49 # - one of the terminals (":" and ";") is the first or last sign
50 # - two terminals occur directly after each other
51 # - the path contains an element with a dot in it
52 AC_MSG_CHECKING(LIBRARY_PATH variable)
54 case ${LIBRARY_PATH} in
55 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
56 library_path_setting="contains current directory"
59 library_path_setting="ok"
63 AC_MSG_RESULT($library_path_setting)
64 if test "$library_path_setting" != "ok"; then
66 *** LIBRARY_PATH shouldn't contain the current directory when
67 *** building gcc. Please change the environment variable
68 *** and run configure again.])
71 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
72 # since this would lead to problems installing/building glibc.
73 # GCC_EXEC_PREFIX contains the current directory if one of the following
75 # - one of the terminals (":" and ";") is the first or last sign
76 # - two terminals occur directly after each other
77 # - the path contains an element with a dot in it
78 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
80 case ${GCC_EXEC_PREFIX} in
81 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
82 gcc_exec_prefix_setting="contains current directory"
85 gcc_exec_prefix_setting="ok"
89 AC_MSG_RESULT($gcc_exec_prefix_setting)
90 if test "$gcc_exec_prefix_setting" != "ok"; then
92 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
93 *** building gcc. Please change the environment variable
94 *** and run configure again.])
101 # Specify the local prefix
103 AC_ARG_WITH(local-prefix,
104 [ --with-local-prefix=DIR specifies directory to put local include],
105 [case "${withval}" in
106 yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
108 *) local_prefix=$with_local_prefix ;;
111 # Default local prefix if it is empty
112 if test x$local_prefix = x; then
113 local_prefix=/usr/local
116 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
117 # passed in by the toplevel make and thus we'd get different behavior
118 # depending on where we built the sources.
120 # Specify the g++ header file directory
121 AC_ARG_WITH(gxx-include-dir,
122 [ --with-gxx-include-dir=DIR
123 specifies directory to put g++ header files],
124 [case "${withval}" in
125 yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
127 *) gcc_gxx_include_dir=$with_gxx_include_dir ;;
130 if test x${gcc_gxx_include_dir} = x; then
131 if test x${enable_version_specific_runtime_libs} = xyes; then
132 gcc_gxx_include_dir='${libsubdir}/include/c++'
134 topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
135 changequote(<<, >>)dnl
136 gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
141 AC_ARG_WITH(cpp_install_dir,
142 [ --with-cpp-install-dir=DIR
143 install the user visible C preprocessor in DIR
144 (relative to PREFIX) as well as PREFIX/bin],
145 [if test x$withval = xyes; then
146 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
147 elif test x$withval != xno; then
148 cpp_install_dir=$withval
151 # We would like to our source tree to be readonly. However when releases or
152 # pre-releases are generated, the flex/bison generated files as well as the
153 # various formats of manuals need to be included along with the rest of the
154 # sources. Therefore we have --enable-generated-files-in-srcdir to do
157 AC_ARG_ENABLE(generated-files-in-srcdir,
158 [ --enable-generated-files-in-srcdir Put generated files in source dir],
159 [case ${enableval} in
160 no) parsedir='$(objdir)'; docobjdir='$(objdir)/doc';;
161 *) parsedir='$(srcdir)'; docobjdir='$(srcdir)/doc';;
163 [parsedir='$(objdir)'; docobjdir='$(objdir)/doc';])
165 # -------------------
166 # Find default linker
167 # -------------------
171 [ --with-gnu-ld arrange to work with GNU ld.],
172 gnu_ld_flag="$with_gnu_ld",
175 # With pre-defined ld
177 [ --with-ld arrange to use the specified ld (full pathname)],
178 DEFAULT_LINKER="$with_ld")
179 if test x"${DEFAULT_LINKER+set}" = x"set"; then
180 if test ! -x "$DEFAULT_LINKER"; then
181 AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
182 elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
185 AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
186 [Define to enable the use of a default linker.])
189 AC_MSG_CHECKING([whether a default linker was specified])
190 if test x"${DEFAULT_LINKER+set}" = x"set"; then
191 if test x"$gnu_ld_flag" = x"no"; then
192 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
194 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
200 # ----------------------
201 # Find default assembler
202 # ----------------------
206 [ --with-gnu-as arrange to work with GNU as],
207 gas_flag="$with_gnu_as",
211 [ --with-as arrange to use the specified as (full pathname)],
212 DEFAULT_ASSEMBLER="$with_as")
213 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
214 if test ! -x "$DEFAULT_ASSEMBLER"; then
215 AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
216 elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
219 AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
220 [Define to enable the use of a default assembler.])
223 AC_MSG_CHECKING([whether a default assembler was specified])
224 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
225 if test x"$gas_flag" = x"no"; then
226 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
228 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
238 # Find the native compiler
241 # autoconf is lame and doesn't give us any substitution variable for this.
242 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
243 NO_MINUS_C_MINUS_O=yes
245 OUTPUT_OPTION='-o $@'
247 AC_SUBST(NO_MINUS_C_MINUS_O)
248 AC_SUBST(OUTPUT_OPTION)
250 # -------------------------
251 # Check C compiler features
252 # -------------------------
254 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
255 ac_cv_prog_cc_no_long_long,
256 [save_CFLAGS="$CFLAGS"
257 CFLAGS="-Wno-long-long"
258 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
259 ac_cv_prog_cc_no_long_long=no)
260 CFLAGS="$save_CFLAGS"])
268 # sizeof(char) is 1 by definition.
269 AC_COMPILE_CHECK_SIZEOF(void *)
270 AC_COMPILE_CHECK_SIZEOF(short)
271 AC_COMPILE_CHECK_SIZEOF(int)
272 AC_COMPILE_CHECK_SIZEOF(long)
273 if test $ac_cv_c_long_long = yes; then
274 AC_COMPILE_CHECK_SIZEOF(long long)
276 if test $ac_cv_c___int64 = yes; then
277 AC_COMPILE_CHECK_SIZEOF(__int64)
284 # See if GNAT has been installed
287 # ---------------------
288 # Warnings and checking
289 # ---------------------
292 if test $ac_cv_prog_cc_no_long_long = yes ; then
293 strict1_warn="-pedantic -Wno-long-long"
295 AC_SUBST(strict1_warn)
297 # If the native compiler is GCC, we can enable warnings even in stage1.
298 # That's useful for people building cross-compilers, or just running a
301 if test "x$GCC" = "xyes"; then
302 warn_cflags='$(GCC_WARN_CFLAGS)'
304 AC_SUBST(warn_cflags)
306 # Enable -Werror in bootstrap stage2 and later.
307 # Change the default to "no" on release branches.
308 AC_ARG_ENABLE(werror,
309 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
311 if test x$enable_werror = xyes ; then
316 # Enable expensive internal checks
317 AC_ARG_ENABLE(checking,
318 [ --enable-checking[=LIST]
319 enable expensive run-time checks. With LIST,
320 enable only specific categories of checks.
321 Categories are: misc,tree,rtl,rtlflag,gc,gcac,fold;
322 default is misc,tree,gc,rtlflag],
328 ac_gc_always_collect=
330 case "${enableval}" in
331 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
332 ac_rtlflag_checking=1 ;;
334 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
335 set fnord $enableval; shift
340 misc) ac_checking=1 ;;
341 tree) ac_tree_checking=1 ;;
342 rtlflag) ac_rtlflag_checking=1 ;;
343 rtl) ac_rtl_checking=1 ;;
344 gc) ac_gc_checking=1 ;;
345 gcac) ac_gc_always_collect=1 ;;
346 fold) ac_fold_checking=1 ;;
347 valgrind) ac_checking_valgrind=1 ;;
348 *) AC_MSG_ERROR(unknown check category $check) ;;
354 # Enable some checks by default for development versions of GCC
355 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
357 if test x$ac_checking != x ; then
358 AC_DEFINE(ENABLE_CHECKING, 1,
359 [Define if you want more run-time sanity checks. This one gets a grab
360 bag of miscellaneous but relatively cheap checks.])
361 nocommon_flag=-fno-common
363 AC_SUBST(nocommon_flag)
364 if test x$ac_tree_checking != x ; then
365 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
366 [Define if you want all operations on trees (the basic data
367 structure of the front ends) to be checked for dynamic type safety
368 at runtime. This is moderately expensive.])
370 if test x$ac_rtl_checking != x ; then
371 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
372 [Define if you want all operations on RTL (the basic data structure
373 of the optimizer and back end) to be checked for dynamic type safety
374 at runtime. This is quite expensive.])
376 if test x$ac_rtlflag_checking != x ; then
377 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
378 [Define if you want RTL flag accesses to be checked against the RTL
379 codes that are supported for each access macro. This is relatively
382 if test x$ac_gc_checking != x ; then
383 AC_DEFINE(ENABLE_GC_CHECKING, 1,
384 [Define if you want the garbage collector to do object poisoning and
385 other memory allocation checks. This is quite expensive.])
387 if test x$ac_gc_always_collect != x ; then
388 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
389 [Define if you want the garbage collector to operate in maximally
390 paranoid mode, validating the entire heap and collecting garbage at
391 every opportunity. This is extremely expensive.])
393 if test x$ac_fold_checking != x ; then
394 AC_DEFINE(ENABLE_FOLD_CHECKING, 1,
395 [Define if you want fold checked that it never destructs its argument.
396 This is quite expensive.])
398 valgrind_path_defines=
400 if test x$ac_checking_valgrind != x ; then
401 # It is certainly possible that there's valgrind but no valgrind.h.
402 # GCC relies on making annotations so we must have both.
403 AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>)
405 [#include <valgrind/memcheck.h>
406 #ifndef VALGRIND_DISCARD
407 #error VALGRIND_DISCARD not defined
409 [gcc_cv_header_valgrind_memcheck_h=yes],
410 [gcc_cv_header_valgrind_memcheck_h=no])
411 AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h)
412 AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
414 [#include <memcheck.h>
415 #ifndef VALGRIND_DISCARD
416 #error VALGRIND_DISCARD not defined
418 [gcc_cv_header_memcheck_h=yes],
419 gcc_cv_header_memcheck_h=no)
420 AC_MSG_RESULT($gcc_cv_header_memcheck_h)
421 AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
422 AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
423 [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
424 if test "x$valgrind_path" = "x" \
425 || (test $have_valgrind_h = no \
426 && test $gcc_cv_header_memcheck_h = no \
427 && test $gcc_cv_header_valgrind_memcheck_h = no); then
428 AC_MSG_ERROR([*** Can't find both valgrind and valgrind/memcheck.h, memcheck.h or valgrind.h])
430 valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
431 valgrind_command="$valgrind_path -q"
432 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
433 [Define if you want to run subprograms and generated programs
434 through valgrind (a memory checker). This is extremely expensive.])
435 if test $gcc_cv_header_valgrind_memcheck_h = yes; then
436 AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1,
437 [Define if valgrind's valgrind/memcheck.h header is installed.])
439 if test $gcc_cv_header_memcheck_h = yes; then
440 AC_DEFINE(HAVE_MEMCHECK_H, 1,
441 [Define if valgrind's memcheck.h header is installed.])
444 AC_SUBST(valgrind_path_defines)
445 AC_SUBST(valgrind_command)
447 # Enable code coverage collection
448 AC_ARG_ENABLE(coverage,
449 [ --enable-coverage[=LEVEL]
450 enable compiler\'s code coverage collection.
451 Use to measure compiler performance and locate
452 unused parts of the compiler. With LEVEL, specify
453 optimization. Values are opt, noopt,
455 [case "${enableval}" in
457 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0"
460 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2"
463 AC_MSG_ERROR(unknown coverage setting $enableval)
467 AC_SUBST(coverage_flags)
469 # -------------------------------
470 # Miscenalleous configure options
471 # -------------------------------
475 [ --with-stabs arrange to use stabs instead of host debug format],
479 # Determine whether or not multilibs are enabled.
480 AC_ARG_ENABLE(multilib,
481 [ --enable-multilib enable library support for multiple ABIs],
482 [], [enable_multilib=yes])
483 AC_SUBST(enable_multilib)
485 # Enable __cxa_atexit for C++.
486 AC_ARG_ENABLE(__cxa_atexit,
487 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
491 # Pass with no value to take the default
492 # Pass with a value to specify a thread package
493 AC_ARG_ENABLE(threads,
494 [ --enable-threads enable thread usage for target GCC
495 --enable-threads=LIB use LIB thread package for target GCC],,
497 # Save in case it gets overwritten in config.gcc
498 enable_threads_flag=$enable_threads
500 AC_ARG_ENABLE(objc-gc,
501 [ --enable-objc-gc enable the use of Boehm's garbage collector with
502 the GNU Objective-C runtime],
503 if test x$enable_objc_gc = xno; then
511 [ --with-dwarf2 force the default debug format to be DWARF 2],
512 dwarf2="$with_dwarf2",
515 AC_ARG_ENABLE(shared,
516 [ --disable-shared don't provide a shared libgcc],
518 case $enable_shared in
522 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
523 for pkg in $enableval; do
524 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
531 ], [enable_shared=yes])
532 AC_SUBST(enable_shared)
535 [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
537 case ${with_sysroot} in
538 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_noncanonical}/sys-root' ;;
539 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
542 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
543 CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
545 if test "x$exec_prefix" = xNONE; then
546 if test "x$prefix" = xNONE; then
547 test_prefix=/usr/local
552 test_prefix=$exec_prefix
554 case ${TARGET_SYSTEM_ROOT} in
555 "${test_prefix}"|"${test_prefix}/"*|\
556 '${exec_prefix}'|'${exec_prefix}/'*)
557 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
558 TARGET_SYSTEM_ROOT_DEFINE="$t"
563 TARGET_SYSTEM_ROOT_DEFINE=
564 CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include'
566 AC_SUBST(TARGET_SYSTEM_ROOT)
567 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
568 AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
570 # Build with intermodule optimisations
571 AC_ARG_ENABLE(intermodule,
572 [ --enable-intermodule build the compiler in one step],
573 [case ${enable_intermodule} in
574 yes) onestep="-onestep";;
580 # -------------------------
581 # Checks for other programs
582 # -------------------------
586 # Find some useful tools
588 # We need awk to run opts.sh (to create options.c and options.h).
589 # Bail out if it's missing.
591 "") AC_MSG_ERROR([can't build without awk, bailing out]) ;;
599 # See if cmp has --ignore-initial.
600 gcc_AC_PROG_CMP_IGNORE_INITIAL
602 # See if we have the mktemp command.
603 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
605 # Do we have a single-tree copy of texinfo?
606 if test -f $srcdir/../texinfo/Makefile.in; then
607 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
608 gcc_cv_prog_makeinfo_modern=yes
609 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
611 # See if makeinfo has been installed and is modern enough
612 # that we can use it.
613 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
614 [GNU texinfo.* \([0-9][0-9.]*\)],
618 if test $gcc_cv_prog_makeinfo_modern = no; then
620 *** Makeinfo is missing or too old.
621 *** Info documentation will not be built.])
624 BUILD_INFO=info AC_SUBST(BUILD_INFO)
627 # Is pod2man recent enough to regenerate manpages?
628 AC_MSG_CHECKING([for recent Pod::Man])
629 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
631 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
638 dnl Don't use AC_PROG_LEX; we insist on flex.
639 dnl LEXLIB is not useful in gcc.
640 if test -f $srcdir/../flex/skel.c; then
641 FLEX='$(objdir)/../flex/flex'
643 AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
647 # The -L switch is so bison can find its skeleton file.
648 if test -f $srcdir/../bison/bison.simple; then
649 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
651 AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
654 # --------------------
655 # Checks for C headers
656 # --------------------
658 AC_MSG_CHECKING(for GNU C library)
659 AC_CACHE_VAL(gcc_cv_glibc,
661 [#include <features.h>],[
662 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
663 #error Not a GNU C library system
667 AC_MSG_RESULT($gcc_cv_glibc)
668 if test $gcc_cv_glibc = yes; then
669 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
674 gcc_AC_HEADER_STDBOOL
677 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
678 fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \
679 sys/resource.h sys/param.h sys/times.h sys/stat.h \
680 direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h)
682 # Check for thread headers.
683 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
684 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
686 # These tests can't be done till we know if we have limits.h.
694 # Stage specific cflags for build.
700 stage1_cflags="-Wa,-J"
706 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
707 # sources; use -no-cpp-precomp to get to GNU cpp.
708 # Apple's GCC has bugs in designated initializer handling, so disable
710 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
713 AC_SUBST(stage1_cflags)
715 # These libraries may be used by collect2.
716 # We may need a special search path to get them linked.
717 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
719 for libs in '' -lld -lmld \
720 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
721 '-L/usr/lib/cmplrs/cc3.11 -lmld'
724 AC_TRY_LINK_FUNC(ldopen,
725 [gcc_cv_collect2_libs="$libs"; break])
728 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
729 case $gcc_cv_collect2_libs in
731 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
733 AC_SUBST(COLLECT2_LIBS)
735 # When building Ada code on Alpha, we need exc_resume which is usually in
736 # -lexc. So test for it.
739 AC_SEARCH_LIBS(exc_resume, exc)
742 AC_SUBST(GNAT_LIBEXC)
744 # Some systems put ldexp and frexp in libm instead of libc; assume
745 # they're both in the same place. jcf-dump needs them.
748 AC_SEARCH_LIBS(ldexp, m)
753 # Use <inttypes.h> only if it exists,
754 # doesn't clash with <sys/types.h>, and declares intmax_t.
755 AC_MSG_CHECKING(for inttypes.h)
756 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
758 [#include <sys/types.h>
759 #include <inttypes.h>],
761 [gcc_cv_header_inttypes_h=yes],
762 gcc_cv_header_inttypes_h=no)])
763 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
764 if test $gcc_cv_header_inttypes_h = yes; then
765 AC_DEFINE(HAVE_INTTYPES_H, 1,
766 [Define if you have a working <inttypes.h> header file.])
769 dnl Disabled until we have a complete test for buggy enum bitfields.
770 dnl gcc_AC_C_ENUM_BF_UNSIGNED
772 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
773 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
774 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \
775 scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore \
778 if test x$ac_cv_func_mbstowcs = xyes; then
779 AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
780 [ AC_TRY_RUN([#include <stdlib.h>
786 gcc_cv_func_mbstowcs_works=yes,
787 gcc_cv_func_mbstowcs_works=no,
788 gcc_cv_func_mbstowcs_works=yes)])
789 if test x$gcc_cv_func_mbstowcs_works = xyes; then
790 AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1,
791 [Define this macro if mbstowcs does not crash when its
792 first argument is NULL.])
796 gcc_AC_CHECK_TYPE(ssize_t, int)
798 # Try to determine the array type of the second argument of getgroups
799 # for the target system (int or gid_t).
801 if test "${target}" = "${build}"; then
802 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
805 # This condition may need some tweaking. It should include all
806 # targets where the array type of the second argument of getgroups
807 # is int and the type of gid_t is not equivalent to int.
808 *-*-sunos* | *-*-ultrix*)
809 TARGET_GETGROUPS_T=int
812 TARGET_GETGROUPS_T=gid_t
816 AC_SUBST(TARGET_GETGROUPS_T)
818 gcc_AC_FUNC_PRINTF_PTR
819 gcc_AC_FUNC_MMAP_BLACKLIST
823 # Under VMS, vfork works very differently than on Unix. The standard test
824 # won't work, and it isn't easily adaptable. It makes more sense to
826 ac_cv_func_vfork_works=yes
832 # Until we have in-tree GNU iconv:
834 AC_SUBST(LIBICONV_DEP)
838 # We will need to find libiberty.h and ansidecl.h
839 saved_CFLAGS="$CFLAGS"
840 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
841 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
842 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
843 fprintf_unlocked strstr errno snprintf vasprintf \
844 malloc realloc calloc free basename getopt clock, , ,[
845 #include "ansidecl.h"
846 #include "system.h"])
848 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
849 #include "ansidecl.h"
851 #ifdef HAVE_SYS_RESOURCE_H
852 #include <sys/resource.h>
857 #include "ansidecl.h"
859 #ifdef HAVE_SYS_RESOURCE_H
860 #include <sys/resource.h>
862 ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long],
863 [Define to \`long' if <sys/resource.h> doesn't define.])])
865 gcc_AC_CHECK_DECLS(ldgetname, , ,[
866 #include "ansidecl.h"
873 gcc_AC_CHECK_DECLS(times, , ,[
874 #include "ansidecl.h"
876 #ifdef HAVE_SYS_TIMES_H
877 #include <sys/times.h>
881 # More time-related stuff.
882 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
884 #include "ansidecl.h"
886 #ifdef HAVE_SYS_TIMES_H
887 #include <sys/times.h>
889 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
890 if test $ac_cv_struct_tms = yes; then
891 AC_DEFINE(HAVE_STRUCT_TMS, 1,
892 [Define if <sys/times.h> defines struct tms.])
895 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
896 # revisit after autoconf 2.50.
897 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
899 #include "ansidecl.h"
901 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
902 if test $gcc_cv_type_clock_t = yes; then
903 AC_DEFINE(HAVE_CLOCK_T, 1,
904 [Define if <time.h> defines clock_t.])
907 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
909 #include "ansidecl.h"
912 [if ((uchar *)0) return 0;
913 if (sizeof(uchar)) return 0;],
914 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
915 if test $ac_cv_type_uchar = yes; then
916 AC_DEFINE(HAVE_UCHAR, 1,
917 [Define if <sys/types.h> defines \`uchar'.])
920 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
921 CFLAGS="$saved_CFLAGS"
923 gcc_AC_INITFINI_ARRAY
925 # mkdir takes a single argument on some systems.
926 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
934 # With Setjmp/Longjmp based exception handling.
935 AC_ARG_ENABLE(sjlj-exceptions,
936 [ --enable-sjlj-exceptions
937 arrange to use setjmp/longjmp exception handling],
938 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
939 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
940 [Define 0/1 to force the choice for exception handling model.])])
942 if test x$host = x$target; then
943 AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
945 use_libunwind_default=no
947 # Use libunwind based exception handling.
948 AC_ARG_ENABLE(libunwind-exceptions,
949 [ --enable-libunwind-exceptions force use libunwind for exceptions],
950 use_libunwind_exceptions=$enableval,
951 use_libunwind_exceptions=$use_libunwind_default)
952 if test x"$use_libunwind_exceptions" = xyes; then
953 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
954 [Define if gcc should use -lunwind.])
957 # --------------------------------------------------------
958 # Build, host, and target specific configuration fragments
959 # --------------------------------------------------------
961 # Collect build-machine-specific information.
962 . ${srcdir}/config.build
964 # Collect host-machine-specific information.
965 . ${srcdir}/config.host
969 # Collect target-machine-specific information.
970 . ${srcdir}/config.gcc
972 extra_objs="${host_extra_objs} ${extra_objs}"
974 # Default the target-machine variables that were not explicitly set.
975 if test x"$tm_file" = x
976 then tm_file=$cpu_type/$cpu_type.h; fi
978 if test x"$extra_headers" = x
979 then extra_headers=; fi
981 if test x$md_file = x
982 then md_file=$cpu_type/$cpu_type.md; fi
984 if test x$out_file = x
985 then out_file=$cpu_type/$cpu_type.c; fi
987 if test x"$tmake_file" = x
988 then tmake_file=$cpu_type/t-$cpu_type
991 if test x"$dwarf2" = xyes
992 then tm_file="$tm_file tm-dwarf2.h"
995 # Say what files are being used for the output code and MD file.
996 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
997 echo "Using \`$srcdir/config/$md_file' as machine description file."
999 # If any of the xm_file variables contain nonexistent files, warn
1000 # about them and drop them.
1003 for x in $build_xm_file; do
1004 if test -f $srcdir/config/$x
1006 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1012 for x in $host_xm_file; do
1013 if test -f $srcdir/config/$x
1015 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1021 for x in $xm_file; do
1022 if test -f $srcdir/config/$x
1024 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1030 for f in $tm_file; do
1033 if test $count = ax; then
1034 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
1036 echo "Using the following target machine macro files:"
1037 for f in $tm_file; do
1038 echo " $srcdir/config/$f"
1042 if test x$need_64bit_hwint = xyes; then
1043 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
1044 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
1048 for f in $host_xm_file; do
1051 if test $count = a; then
1053 elif test $count = ax; then
1054 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
1056 echo "Using the following host machine macro files:"
1057 for f in $host_xm_file; do
1058 echo " $srcdir/config/$f"
1061 echo "Using ${out_host_hook_obj} for host machine hooks."
1063 if test "$host_xm_file" != "$build_xm_file"; then
1065 for f in $build_xm_file; do
1068 if test $count = a; then
1070 elif test $count = ax; then
1071 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
1073 echo "Using the following build machine macro files:"
1074 for f in $build_xm_file; do
1075 echo " $srcdir/config/$f"
1080 # Check if a valid thread package
1081 case ${enable_threads_flag} in
1084 target_thread_file='single'
1088 target_thread_file='single'
1090 aix | dce | gnat | irix | posix | rtems | \
1091 single | solaris | vxworks | win32 )
1092 target_thread_file=${enable_threads_flag}
1095 echo "${enable_threads_flag} is an unknown thread package" 1>&2
1100 if test x${thread_file} = x; then
1101 # No thread file set by target-specific clauses in config.gcc,
1102 # so use file chosen by default logic above
1103 thread_file=${target_thread_file}
1106 if test x$enable___cxa_atexit = xyes || \
1107 test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
1108 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
1109 [Define if you want to use __cxa_atexit, rather than atexit, to
1110 register C++ destructors for local statics and global objects.
1111 This is essential for fully standards-compliant handling of
1112 destructors, but requires __cxa_atexit in libc.])
1115 # Look for a file containing extra machine modes.
1116 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
1117 extra_modes_file='$(srcdir)'/config/${extra_modes}
1118 AC_SUBST(extra_modes_file)
1119 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "config/$extra_modes",
1120 [Define to the name of a file containing a list of extra machine modes
1121 for this architecture.])
1124 # auto-host.h is the file containing items generated by autoconf and is
1125 # the first file included by config.h.
1126 # If host=build, it is correct to have bconfig include auto-host.h
1127 # as well. If host!=build, we are in error and need to do more
1128 # work to find out the build config parameters.
1129 if test x$host = x$build
1131 build_auto=auto-host.h
1134 # We create a subdir, then run autoconf in the subdir.
1135 # To prevent recursion we set host and build for the new
1136 # invocation of configure to the build for this invocation
1143 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
1144 *) realsrcdir=../${srcdir};;
1146 saved_CFLAGS="${CFLAGS}"
1147 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
1148 ${realsrcdir}/configure \
1149 --target=$target_alias --host=$build_alias --build=$build_alias
1150 CFLAGS="${saved_CFLAGS}"
1152 # We just finished tests for the build machine, so rename
1153 # the file auto-build.h in the gcc directory.
1154 mv auto-host.h ../auto-build.h
1157 build_auto=auto-build.h
1158 FORBUILD=../${build_subdir}
1162 tm_file="${tm_file} defaults.h"
1163 tm_p_file="${tm_p_file} tm-preds.h"
1164 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1165 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1166 # We don't want ansidecl.h in target files, write code there in ISO/GNU C.
1167 # put this back in temporarily.
1168 xm_file="ansidecl.h ${xm_file}"
1174 # Get the version trigger filename from the toplevel
1175 if test "${with_gcc_version_trigger+set}" = set; then
1176 gcc_version_trigger=$with_gcc_version_trigger
1178 gcc_version_trigger=${srcdir}/version.c
1181 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1182 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1184 # Compile in configure arguments.
1185 if test -f configargs.h ; then
1186 # Being re-configured.
1187 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1188 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1190 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1193 # Double all backslashes and backslash all quotes to turn
1194 # gcc_config_arguments into a C string.
1195 sed -e 's/\\/\\\\/g; s/"/\\"/g' <<EOF >conftest.out
1196 $gcc_config_arguments
1198 gcc_config_arguments_str=`cat conftest.out`
1201 cat > configargs.h <<EOF
1202 /* Generated automatically. */
1203 static const char configuration_arguments[] = "$gcc_config_arguments_str";
1204 static const char thread_model[] = "$thread_file";
1206 static const struct {
1207 const char *name, *value;
1208 } configure_default_options[] = $configure_default_options;
1212 # Internationalization
1214 VERSION="$gcc_version"
1218 ZW_GNU_GETTEXT_SISTER_DIR
1220 # If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get
1221 # -liconv on the link line twice.
1222 case "$LIBINTL" in *$LIBICONV*)
1226 # Windows32 Registry support for specifying GCC installation paths.
1227 AC_ARG_ENABLE(win32-registry,
1228 [ --disable-win32-registry
1229 disable lookup of installation paths in the
1230 Registry on Windows hosts
1231 --enable-win32-registry enable registry lookup (default)
1232 --enable-win32-registry=KEY
1233 use KEY instead of GCC version as the last portion
1234 of the registry key],,)
1236 win32 | pe | cygwin* | mingw32* | uwin*)
1237 AC_MSG_CHECKING(whether windows registry support is requested)
1238 if test "x$enable_win32_registry" != xno; then
1239 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1240 [Define to 1 if installation paths should be looked up in Windows32
1241 Registry. Ignored on non windows32 hosts.])
1243 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1248 # Check if user specified a different registry key.
1249 case "x${enable_win32_registry}" in
1252 gcc_cv_win32_registry_key="$VERSION"
1255 # no registry lookup.
1256 gcc_cv_win32_registry_key=''
1259 # user-specified key.
1260 gcc_cv_win32_registry_key="$enable_win32_registry"
1264 if test "x$enable_win32_registry" != xno; then
1265 AC_MSG_CHECKING(registry key on windows hosts)
1266 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1267 [Define to be the last portion of registry key on windows hosts.])
1268 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1273 # Get an absolute path to the GCC top-level source directory
1274 holddir=`${PWDCMD-pwd}`
1276 topdir=`${PWDCMD-pwd}`
1279 # Conditionalize the makefile for this host machine.
1281 for f in ${host_xmake_file}
1283 if test -f ${srcdir}/config/$f
1285 xmake_file="${xmake_file} \$(srcdir)/config/$f"
1289 # Conditionalize the makefile for this target machine.
1291 for f in ${tmake_file}
1293 if test -f ${srcdir}/config/$f
1295 tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
1298 tmake_file="${tmake_file_}"
1300 symbolic_link='ln -s'
1302 # If the host doesn't support symlinks, modify CC in
1303 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1304 # Otherwise, we can use "CC=$(CC)".
1306 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1308 cc_set_by_configure="\$(CC)"
1309 quoted_cc_set_by_configure="\$(CC)"
1310 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1311 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1314 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1316 symbolic_link="cp -p"
1320 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1321 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1322 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1323 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1327 out_object_file=`basename $out_file .c`.o
1331 for f in $tm_file; do
1334 tm_file_list="${tm_file_list} \$(srcdir)/$f"
1335 tm_include_list="${tm_include_list} $f"
1338 tm_file_list="${tm_file_list} \$(srcdir)/config/$f"
1339 tm_include_list="${tm_include_list} config/$f"
1346 for f in $tm_p_file; do
1349 tm_p_file_list="${tm_p_file_list} $f"
1350 tm_p_include_list="${tm_p_include_list} $f"
1353 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1354 tm_p_include_list="${tm_p_include_list} config/$f"
1360 for f in $xm_file; do
1363 xm_file_list="${xm_file_list} \$(srcdir)/../include/$f"
1364 xm_include_list="${xm_include_list} $f"
1367 xm_file_list="${xm_file_list} $f"
1368 xm_include_list="${xm_include_list} $f"
1371 xm_file_list="${xm_file_list} \$(srcdir)/config/$f"
1372 xm_include_list="${xm_include_list} config/$f"
1378 host_xm_include_list=
1379 for f in $host_xm_file; do
1382 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f"
1383 host_xm_include_list="${host_xm_include_list} $f"
1386 host_xm_file_list="${host_xm_file_list} $f"
1387 host_xm_include_list="${host_xm_include_list} $f"
1390 host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f"
1391 host_xm_include_list="${host_xm_include_list} config/$f"
1397 for f in $build_xm_file; do
1400 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f"
1401 build_xm_include_list="${build_xm_include_list} $f"
1403 auto-build.h | auto-host.h )
1404 build_xm_file_list="${build_xm_file_list} $f"
1405 build_xm_include_list="${build_xm_include_list} $f"
1408 build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f"
1409 build_xm_include_list="${build_xm_include_list} config/$f"
1414 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1415 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1416 CROSS= AC_SUBST(CROSS)
1417 ALL=all.internal AC_SUBST(ALL)
1418 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1419 if test x$host != x$target
1421 CROSS="-DCROSS_COMPILE"
1423 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1424 case "$host","$target" in
1425 # Darwin crosses can use the host system's libraries and headers,
1426 # because of the fat library support. Of course, it must be the
1427 # same version of Darwin on both sides. Allow the user to
1428 # just say --target=foo-darwin without a version number to mean
1429 # "the version on this system".
1430 *-*-darwin*,*-*-darwin*)
1431 hostos=`echo $host | sed 's/.*-darwin/darwin/'`
1432 targetos=`echo $target | sed 's/.*-darwin/darwin/'`
1433 if test $hostos = $targetos -o $targetos = darwin ; then
1435 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
1440 i?86-*-*,x86_64-*-* \
1441 | powerpc*-*-*,powerpc64*-*-*)
1442 CROSS="$CROSS -DNATIVE_CROSS" ;;
1444 elif test "x$TARGET_SYSTEM_ROOT" != x; then
1445 # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)
1446 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1449 # If this is a cross-compiler that does not
1450 # have its own set of headers then define
1453 # If this is using newlib, without having the headers available now,
1454 # then define inhibit_libc in LIBGCC2_CFLAGS.
1455 # This prevents libgcc2 from containing any code which requires libc
1458 if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
1459 test x$with_newlib = xyes ; } &&
1460 { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then
1461 inhibit_libc=-Dinhibit_libc
1463 AC_SUBST(inhibit_libc)
1465 # When building gcc with a cross-compiler, we need to adjust things so
1466 # that the generator programs are still built with the native compiler.
1467 # Also, we cannot run fixincludes or fix-header.
1469 # These are the normal (build=host) settings:
1470 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1471 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1472 CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD)
1473 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1475 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1477 # Possibly disable fixproto, on a per-target basis.
1478 case ${use_fixproto} in
1483 STMP_FIXPROTO=stmp-fixproto
1486 AC_SUBST(STMP_FIXPROTO)
1488 # And these apply if build != host, or we are generating coverage data
1489 if test x$build != x$host || test "x$coverage_flags" != x
1492 BUILD_PREFIX_1=build-
1493 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
1495 if test "x$TARGET_SYSTEM_ROOT" = x; then
1501 # Expand extra_headers to include complete path.
1502 # This substitutes for lots of t-* files.
1504 # Prepend $(srcdir)/config/${cpu_type}/ to every entry in extra_headers.
1505 for file in ${extra_headers} ; do
1506 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1509 # Add a definition of USE_COLLECT2 if system wants one.
1510 case $use_collect2 in
1511 no) use_collect2= ;;
1514 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1515 xm_defines="${xm_defines} USE_COLLECT2"
1519 # Identify the assembler which will work hand-in-glove with the newly
1520 # built GCC, so that we can examine its features. This is the assembler
1521 # which will be driven by the driver program.
1523 # If build != host, and we aren't building gas in-tree, we identify a
1524 # build->target assembler and hope that it will have the same features
1525 # as the host->target assembler we'll be using.
1526 AC_MSG_CHECKING(what assembler to use)
1529 gcc_cv_gas_major_version=
1530 gcc_cv_gas_minor_version=
1531 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1532 if test -x "$DEFAULT_ASSEMBLER"; then
1533 gcc_cv_as="$DEFAULT_ASSEMBLER"
1534 elif test -x "$AS"; then
1536 elif test -x as$host_exeext; then
1537 # Build using assembler in the current directory.
1538 gcc_cv_as=./as$host_exeext
1539 elif test -f $gcc_cv_as_gas_srcdir/configure.in \
1540 && test -f ../gas/Makefile; then
1541 # Single tree build which includes gas.
1543 _gcc_COMPUTE_GAS_VERSION
1544 rm -f as$host_exeext
1545 $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1546 in_tree_gas_is_elf=no
1547 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1548 || (grep 'obj_format = multi' ../gas/Makefile \
1549 && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null
1551 in_tree_gas_is_elf=yes
1555 if test "x$gcc_cv_as" = x; then
1556 # Search the same directories that the installed compiler will
1557 # search. Else we may find the wrong assembler and lose. If we
1558 # do not find a suitable assembler binary, then try the user's
1561 # Also note we have to check MD_EXEC_PREFIX before checking the
1562 # user's path. Unfortunately, there is no good way to get at the
1563 # value of MD_EXEC_PREFIX here. So we do a brute force search
1564 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1565 # to be fixed as part of the make/configure rewrite too.
1567 if test "x$exec_prefix" = xNONE; then
1568 if test "x$prefix" = xNONE; then
1569 test_prefix=/usr/local
1574 test_prefix=$exec_prefix
1577 # If the loop below does not find an assembler, then use whatever
1578 # one we can find in the users's path.
1580 if test "x$program_prefix" != xNONE; then
1581 gcc_cv_as=${program_prefix}as$host_exeext
1583 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1586 test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \
1587 $test_prefix/lib/gcc-lib/$target_noncanonical \
1588 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1589 /usr/lib/gcc/$target_noncanonical \
1590 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1591 $test_prefix/$target_noncanonical/bin"
1593 if test x$host = x$target; then
1594 test_dirs="$test_dirs \
1599 /bsd43/usr/lib/cmplrs/cc \
1600 /usr/cross64/usr/bin \
1601 /usr/lib/cmplrs/cc \
1602 /sysv/usr/lib/cmplrs/cc \
1603 /svr4/usr/lib/cmplrs/cc \
1607 for dir in $test_dirs; do
1608 if test -x $dir/as$host_exeext; then
1609 gcc_cv_as=$dir/as$host_exeext
1614 case $in_tree_gas in
1616 AC_MSG_RESULT("newly built gas")
1619 AC_MSG_RESULT($gcc_cv_as)
1623 # Identify the linker which will work hand-in-glove with the newly
1624 # built GCC, so that we can examine its features. This is the linker
1625 # which will be driven by the driver program.
1627 # If build != host, and we aren't building gas in-tree, we identify a
1628 # build->target linker and hope that it will have the same features
1629 # as the host->target linker we'll be using.
1630 AC_MSG_CHECKING(what linker to use)
1633 gcc_cv_gld_major_version=
1634 gcc_cv_gld_minor_version=
1635 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1636 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1637 if test -x "$DEFAULT_LINKER"; then
1638 gcc_cv_ld="$DEFAULT_LINKER"
1639 elif test -x "$LD"; then
1641 elif test -x collect-ld$host_exeext; then
1642 # Build using linker in the current directory.
1643 gcc_cv_ld=./collect-ld$host_exeext
1644 elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
1645 && test -f ../ld/Makefile; then
1646 # Single tree build which includes ld.
1648 in_tree_ld_is_elf=no
1649 if (grep 'EMUL = .*elf' ../ld/Makefile \
1650 || grep 'EMUL = .*linux' ../ld/Makefile) > /dev/null; then
1651 in_tree_ld_is_elf=yes
1653 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
1656 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1658 if test x$gcc_cv_gld_version != x; then
1663 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1664 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1666 rm -f collect-ld$host_exeext
1667 $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \
1671 if test "x$gcc_cv_ld" = x; then
1672 # Search the same directories that the installed compiler will
1673 # search. Else we may find the wrong linker and lose. If we
1674 # do not find a suitable linker binary, then try the user's
1677 # Also note we have to check MD_EXEC_PREFIX before checking the
1678 # user's path. Unfortunately, there is no good way to get at the
1679 # value of MD_EXEC_PREFIX here. So we do a brute force search
1680 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1681 # to be fixed as part of the make/configure rewrite too.
1683 if test "x$exec_prefix" = xNONE; then
1684 if test "x$prefix" = xNONE; then
1685 test_prefix=/usr/local
1690 test_prefix=$exec_prefix
1693 # If the loop below does not find an linker, then use whatever
1694 # one we can find in the users's path.
1696 if test "x$program_prefix" != xNONE; then
1697 gcc_cv_ld=${program_prefix}ld$host_exeext
1699 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1702 test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \
1703 $test_prefix/lib/gcc-lib/$target_noncanonical \
1704 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1705 /usr/lib/gcc/$target_noncanonical \
1706 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1707 $test_prefix/$target_noncanonical/bin"
1709 if test x$host = x$target; then
1710 test_dirs="$test_dirs \
1715 /bsd43/usr/lib/cmplrs/cc \
1716 /usr/cross64/usr/bin \
1717 /usr/lib/cmplrs/cc \
1718 /sysv/usr/lib/cmplrs/cc \
1719 /svr4/usr/lib/cmplrs/cc \
1723 for dir in $test_dirs; do
1724 if test -x $dir/ld$host_exeext; then
1725 gcc_cv_ld=$dir/ld$host_exeext
1732 AC_MSG_RESULT("newly built ld")
1735 AC_MSG_RESULT($gcc_cv_ld)
1739 # Figure out what nm we will be using.
1740 gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
1741 AC_MSG_CHECKING(what nm to use)
1743 if test -x nm$host_exeext; then
1744 gcc_cv_nm=./nm$host_exeext
1745 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1746 && test -f ../binutils/Makefile; then
1747 # Single tree build which includes binutils.
1749 gcc_cv_nm=./nm$host_exeext
1750 rm -f nm$host_exeext
1751 $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1752 elif test "x$program_prefix" != xNONE; then
1753 gcc_cv_nm=${program_prefix}nm$host_exeext
1755 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1758 yes) AC_MSG_RESULT("newly built nm") ;;
1759 no) AC_MSG_RESULT($gcc_cv_nm) ;;
1762 # Figure out what objdump we will be using.
1763 AC_MSG_CHECKING(what objdump to use)
1765 if test -x objdump$host_exeext; then
1766 gcc_cv_objdump=./objdump$host_exeext
1767 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1768 && test -f ../binutils/Makefile; then
1769 # Single tree build which includes binutils.
1771 gcc_cv_objdump=./objdump$host_exeext
1772 rm -f objdump$host_exeext
1773 $symbolic_link ../binutils/objdump$host_exeext \
1774 objdump$host_exeext 2>/dev/null
1775 elif test "x$program_prefix" != xNONE; then
1776 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1778 gcc_cv_objdump=`echo objdump | \
1779 sed ${program_transform_name}`$host_exeext
1781 case $in_tree_objdump in
1782 yes) AC_MSG_RESULT("newly built objdump") ;;
1783 no) AC_MSG_RESULT($gcc_cv_objdump) ;;
1786 # Figure out what assembler alignment features are present.
1787 gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align,
1791 [AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1,
1792 [Define if your assembler supports .balign and .p2align.])])
1794 gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align,
1797 [AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1,
1798 [Define if your assembler supports specifying the maximum number
1799 of bytes to skip when using the GAS .p2align command.])])
1801 gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1,
1803 [conftest_label1: .word 0
1805 conftest_label2: .word 0
1807 [if test x$gcc_cv_nm != x; then
1808 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1809 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1810 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1
1812 else gcc_cv_as_subsection_m1=yes
1814 rm -f conftest.nm1 conftest.nm2
1816 [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1817 [Define if your assembler supports .subsection and .subsection -1 starts
1818 emitting at the beginning of your section.])])
1820 gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak,
1823 [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])])
1825 # .hidden needs to be supported in both the assembler and the linker,
1826 # because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1827 # This is irritatingly difficult to feature test for; we have to check the
1828 # date string after the version number. If we've got an in-tree
1829 # ld, we don't know its patchlevel version, so we set the baseline at 2.13
1831 # The gcc_GAS_CHECK_FEATURE call just sets a cache variable.
1832 gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden,
1837 AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden,
1838 [if test $in_tree_ld = yes ; then
1840 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \
1841 && test $in_tree_ld_is_elf = yes; then
1842 gcc_cv_ld_hidden=yes
1845 gcc_cv_ld_hidden=yes
1846 ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
1847 if echo "$ld_ver" | grep GNU > /dev/null; then
1849 ld_vers=`echo $ld_ver | sed -n \
1850 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1851 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1852 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1853 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
1854 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
1855 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
1856 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1857 if test 0"$ld_date" -lt 20020404; then
1858 if test -n "$ld_date"; then
1859 # If there was date string, but was earlier than 2002-04-04, fail
1861 elif test -z "$ld_vers"; then
1862 # If there was no date string nor ld version number, something is wrong
1865 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1866 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1867 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1868 test -z "$ld_vers_patch" && ld_vers_patch=0
1869 if test "$ld_vers_major" -lt 2; then
1871 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1872 gcc_cv_ld_hidden="no"
1873 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then
1880 # non-GNU linkers don't seem to support .hidden yet
1884 libgcc_visibility=no
1885 AC_SUBST(libgcc_visibility)
1886 if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then
1887 libgcc_visibility=yes
1888 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1889 [Define if your assembler and linker support .hidden.])
1892 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1893 gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128,
1901 [# GAS versions before 2.11 do not support uleb128,
1902 # despite appearing to.
1903 # ??? There exists an elf-specific test that will crash
1904 # the assembler. Perhaps it's better to figure out whether
1905 # arbitrary sections are supported and try the test.
1906 as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q`
1907 if echo "$as_ver" | grep GNU > /dev/null; then
1909 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1910 as_major=`echo $as_ver | sed 's/\..*//'`
1911 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1913 if test $as_major -eq 2 && test $as_minor -lt 11
1915 else gcc_cv_as_leb128=yes
1918 [AC_DEFINE(HAVE_AS_LEB128, 1,
1919 [Define if your assembler supports .sleb128 and .uleb128.])])
1921 # GAS versions up to and including 2.11.0 may mis-optimize
1923 gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame,
1931 .section .eh_frame,"aw",@progbits
1933 .4byte .LECIE1-.LSCIE1
1947 .4byte .LEFDE1-.LASFDE1
1949 .4byte .LASFDE1-__FRAME_BEGIN__
1957 [ cat > conftest.lit <<EOF
1958 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1959 0010 01000000 12000000 18000000 00000000 ................
1960 0020 08000000 04080000 0044 .........D
1962 cat > conftest.big <<EOF
1963 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1964 0010 00000001 00000012 00000018 00000000 ................
1965 0020 00000008 04000000 0844 .........D
1967 # If the assembler didn't choke, and we can objdump,
1968 # and we got the correct data, then succeed.
1969 if test x$gcc_cv_objdump != x \
1970 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1971 | tail -3 > conftest.got \
1972 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1973 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1975 gcc_cv_as_eh_frame=yes
1976 elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then
1977 gcc_cv_as_eh_frame=buggy
1979 # Uh oh, what do we do now?
1980 gcc_cv_as_eh_frame=no
1983 if test $gcc_cv_as_eh_frame = buggy; then
1984 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1985 [Define if your assembler mis-optimizes .eh_frame data.])
1988 gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
1989 [elf,2,12,0], [--fatal-warnings],
1990 [.section .rodata.str, "aMS", @progbits, 1])
1991 AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE,
1992 [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`],
1993 [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
1995 # Thread-local storage - the check is heavily parametrized.
2004 .section ".tdata","awT",@progbits
2007 ldq $27,__tls_get_addr($29) !literal!1
2008 lda $16,foo($29) !tlsgd!1
2009 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
2010 ldq $27,__tls_get_addr($29) !literal!2
2011 lda $16,foo($29) !tlsldm!2
2012 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
2013 ldq $1,foo($29) !gotdtprel
2014 ldah $2,foo($29) !dtprelhi
2015 lda $3,foo($2) !dtprello
2016 lda $4,foo($29) !dtprel
2017 ldq $1,foo($29) !gottprel
2018 ldah $2,foo($29) !tprelhi
2019 lda $3,foo($2) !tprello
2020 lda $4,foo($29) !tprel'
2026 .section ".tdata","awT",@progbits
2030 leal foo@TLSGD(,%ebx,1), %eax
2031 leal foo@TLSLDM(%ebx), %eax
2032 leal foo@DTPOFF(%eax), %edx
2033 movl foo@GOTTPOFF(%ebx), %eax
2034 subl foo@GOTTPOFF(%ebx), %eax
2035 addl foo@GOTNTPOFF(%ebx), %eax
2036 movl foo@INDNTPOFF, %eax
2037 movl $foo@TPOFF, %eax
2038 subl $foo@TPOFF, %eax
2039 leal foo@NTPOFF(%ecx), %eax'
2045 .section ".tdata","awT",@progbits
2049 leaq foo@TLSGD(%rip), %rdi
2050 leaq foo@TLSLD(%rip), %rdi
2051 leaq foo@DTPOFF(%rax), %rdx
2052 movq foo@GOTTPOFF(%rip), %rax
2053 movq $foo@TPOFF, %rax'
2059 .section ".tdata","awT",@progbits
2062 addl r16 = @ltoff(@dtpmod(foo#)), gp
2063 addl r17 = @ltoff(@dtprel(foo#)), gp
2064 addl r18 = @ltoff(@tprel(foo#)), gp
2065 addl r19 = @dtprel(foo#), gp
2066 adds r21 = @dtprel(foo#), r13
2067 movl r23 = @dtprel(foo#)
2068 addl r20 = @tprel(foo#), gp
2069 adds r22 = @tprel(foo#), r13
2070 movl r24 = @tprel(foo#)'
2076 .section ".tdata","awT",@progbits
2084 addi 3,31,ld0@got@tlsgd
2086 addi 3,31,x1@got@tlsld
2089 addis 9,3,x2@dtprel@ha
2090 addi 9,9,x2@dtprel@l
2091 lwz 9,x3@got@tprel(31)
2094 addis 9,2,x2@tprel@ha
2095 addi 9,9,x2@tprel@l'
2102 .section ".tdata","awT",@progbits
2110 addi 3,2,ld0@got@tlsgd
2116 addi 3,2,x1@got@tlsld
2122 addis 9,3,x2@dtprel@ha
2123 addi 9,9,x2@dtprel@l
2126 ld 9,x3@got@dtprel(2)
2136 .section ".tdata","awT",@progbits
2145 l %r1,foo@GOTNTPOFF(%r12)
2146 l %r1,0(%r1):tls_load:foo
2147 bas %r14,0(%r1,%r13):tls_gdcall:foo
2148 bas %r14,0(%r1,%r13):tls_ldcall:foo'
2155 .section ".tdata","awT",@progbits
2163 lg %r1,foo@GOTNTPOFF(%r12)
2164 larl %r1,foo@INDNTPOFF
2165 brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
2166 brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
2169 tls_as_opt="-m64 -Aesame"
2171 sh-*-* | sh[34]-*-*)
2173 .section ".tdata","awT",@progbits
2186 .section ".tdata","awT",@progbits
2189 sethi %tgd_hi22(foo), %o0
2190 add %o0, %tgd_lo10(foo), %o1
2191 add %l7, %o1, %o0, %tgd_add(foo)
2192 call __tls_get_addr, %tgd_call(foo)
2193 sethi %tldm_hi22(foo), %l1
2194 add %l1, %tldm_lo10(foo), %l2
2195 add %l7, %l2, %o0, %tldm_add(foo)
2196 call __tls_get_addr, %tldm_call(foo)
2197 sethi %tldo_hix22(foo), %l3
2198 xor %l3, %tldo_lox10(foo), %l4
2199 add %o0, %l4, %l5, %tldo_add(foo)
2200 sethi %tie_hi22(foo), %o3
2201 add %o3, %tie_lo10(foo), %o3
2202 ld [%l7 + %o3], %o2, %tie_ld(foo)
2203 add %g7, %o2, %o4, %tie_add(foo)
2204 sethi %tle_hix22(foo), %l1
2205 xor %l1, %tle_lox10(foo), %o5
2206 ld [%g7 + %o5], %o1'
2213 if test -z "$tls_first_major"; then
2214 : # If we don't have a check, assume no support.
2216 gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls,
2217 [$tls_first_major,$tls_first_minor,0], [$tls_as_opt --fatal-warnings],
2219 [AC_DEFINE(HAVE_AS_TLS, 1,
2220 [Define if your assembler supports thread-local storage.])])
2223 # Target-specific assembler checks.
2226 # All TARGET_ABI_OSF targets.
2227 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
2228 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2229 gcc_cv_as_alpha_explicit_relocs, [2,12,0],,
2232 extbl $3, $2, $3 !lituse_bytoff!1
2233 ldq $2, a($29) !literal!1
2234 ldq $4, b($29) !literal!2
2235 ldq_u $3, 0($2) !lituse_base!1
2236 ldq $27, f($29) !literal!5
2237 jsr $26, ($27), f !lituse_jsr!5
2238 ldah $29, 0($26) !gpdisp!3
2239 lda $0, c($29) !gprel
2240 ldah $1, d($29) !gprelhigh
2241 lda $1, d($1) !gprellow
2242 lda $29, 0($29) !gpdisp!3],,
2243 [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2244 [Define if your assembler supports explicit relocations.])])
2248 gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,,
2249 [.register %g2, #scratch],,
2250 [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2251 [Define if your assembler supports .register.])])
2253 gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,,
2255 [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2256 [Define if your assembler supports -relax option.])])
2258 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs],
2259 gcc_cv_as_sparc_ua_pcrel,,
2267 .uaword %r_disp32(foo)],
2268 [if test x$gcc_cv_ld != x \
2269 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2270 gcc_cv_as_sparc_ua_pcrel=yes
2273 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2274 [Define if your assembler and linker support unaligned PC relative relocs.])
2276 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols],
2277 gcc_cv_as_sparc_ua_pcrel_hidden,,
2282 .uaword %r_disp32(foo)
2283 .byte 0x32, 0x33, 0x34
2288 [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
2289 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2290 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2291 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2292 if $gcc_cv_objdump -R conftest 2> /dev/null \
2293 | grep 'DISP32' > /dev/null 2>&1; then
2296 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2300 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2301 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])])
2302 ]) # unaligned pcrel relocs
2304 gcc_GAS_CHECK_FEATURE([offsetable %lo()],
2305 gcc_cv_as_sparc_offsetable_lo10,,
2308 or %g1, %lo(ab) + 12, %g1
2309 or %g1, %lo(ab + 12), %g1],
2310 [if test x$gcc_cv_objdump != x \
2311 && %gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
2312 | grep ' 82106000 82106000' > /dev/null 2>&1; then
2313 gcc_cv_as_offsetable_lo10=yes
2315 [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2316 [Define if your assembler supports offsetable %lo().])])
2320 i[34567]86-*-* | x86_64-*-*)
2322 gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
2323 gcc_cv_as_ix86_filds_fists,
2324 [2,9,0],, [filds mem; fists mem],,
2325 [AC_DEFINE(HAVE_GAS_FILDS_FISTS, 1,
2326 [Define if your assembler uses the new HImode fild and fist notation.])])
2328 gcc_GAS_CHECK_FEATURE([cmov syntax],
2329 gcc_cv_as_ix86_cmov_sun_syntax,,,
2330 [cmovl.l %edx, %eax],,
2331 [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1,
2332 [Define if your assembler supports the Sun syntax for cmov.])])
2334 # This one is used unconditionally by i386.[ch]; it is to be defined
2335 # to 1 if the feature is present, 0 otherwise.
2336 gcc_GAS_CHECK_FEATURE([GOTOFF in data],
2337 gcc_cv_as_ix86_gotoff_in_data, [2,11,0],,
2343 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2344 [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2345 [Define true if the assembler supports '.long foo@GOTOFF'.])
2349 gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs],
2350 gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],,
2352 addl r15 = @ltoffx(x#), gp
2354 ld8.mov r16 = [[r15]], x#],,
2355 [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
2356 [Define if your assembler supports ltoffx and ldxmov relocations.])])
2362 *-*-aix) conftest_s=' .csect .text[PR]';;
2363 *) conftest_s=' .text';;
2365 conftest_s="$conftest_s
2368 gcc_GAS_CHECK_FEATURE([mfcr field support],
2369 gcc_cv_as_powerpc_mfcrf, [2,14,0],,
2371 [AC_DEFINE(HAVE_AS_MFCRF, 1,
2372 [Define if your assembler supports mfcr field.])])
2376 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2377 gcc_cv_as_mips_explicit_relocs, [2,14,0],,
2378 [ lw $4,%gp_rel(foo)($4)],,
2379 [if test x$target_cpu_default = x
2380 then target_cpu_default=MASK_EXPLICIT_RELOCS
2381 else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
2386 # ??? Not all targets support dwarf2 debug_line, even within a version
2387 # of gas. Moreover, we need to emit a valid instruction to trigger any
2388 # info to the output file. So, as supported targets are added to gas 2.11,
2389 # add some instruction here to (also) show we expect this might work.
2390 # ??? Once 2.11 is released, probably need to add first known working
2391 # version to the per-target configury.
2393 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2394 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \
2395 | xstormy16*-*-* | cris-*-* | xtensa-*-*)
2405 if test x"$insn" != x; then
2407 .file 1 \"conftest.s\"
2410 gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support],
2411 gcc_cv_as_dwarf2_debug_line,
2412 [elf,2,11,0],, [$conftest_s],
2413 [# ??? This fails with non-gnu grep. Maybe use objdump?
2414 if grep debug_line conftest.o > /dev/null 2>&1; then
2415 gcc_cv_as_dwarf2_debug_line=yes
2418 # The .debug_line file table must be in the exact order that
2419 # we specified the files, since these indices are also used
2420 # by DW_AT_decl_file. Approximate this test by testing if
2421 # the assembler bitches if the same index is assigned twice.
2422 gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive],
2423 gcc_cv_as_dwarf2_file_buggy,,,
2427 if test $gcc_cv_as_dwarf2_debug_line = yes \
2428 && test $gcc_cv_as_dwarf2_file_buggy = no; then
2429 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2430 [Define if your assembler supports dwarf2 .file/.loc directives,
2431 and preserves file table indices exactly as given.])
2434 gcc_GAS_CHECK_FEATURE([--gdwarf2 option],
2435 gcc_cv_as_gdwarf2_flag,
2436 [elf,2,11,0], [--gdwarf2], [$insn],,
2437 [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2438 [Define if your assembler supports the --gdwarf2 option.])])
2440 gcc_GAS_CHECK_FEATURE([--gstabs option],
2441 gcc_cv_as_gstabs_flag,
2442 [elf,2,11,0], [--gstabs], [$insn],
2443 [# The native Solaris 9/Intel assembler doesn't understand --gstabs
2444 # and warns about it, but still exits successfully. So check for
2446 if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null])
2448 else gcc_cv_as_gstabs_flag=yes
2450 [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2451 [Define if your assembler supports the --gstabs option.])])
2454 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2455 gcc_cv_ld_ro_rw_mix=unknown
2456 if test $in_tree_ld = yes ; then
2457 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \
2458 && test $in_tree_ld_is_elf = yes; then
2459 gcc_cv_ld_ro_rw_mix=read-write
2461 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2462 echo '.section myfoosect, "a"' > conftest1.s
2463 echo '.section myfoosect, "aw"' > conftest2.s
2464 echo '.byte 1' >> conftest2.s
2465 echo '.section myfoosect, "a"' > conftest3.s
2466 echo '.byte 0' >> conftest3.s
2467 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2468 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2469 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2470 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2471 conftest2.o conftest3.o > /dev/null 2>&1; then
2472 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2473 | sed -e '/myfoosect/!d' -e N`
2474 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2475 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2476 gcc_cv_ld_ro_rw_mix=read-only
2478 gcc_cv_ld_ro_rw_mix=read-write
2483 rm -f conftest.* conftest[123].*
2486 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2487 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2488 [Define if your linker links a mix of read-only
2489 and read-write sections into a read-write section.])
2491 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2493 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2494 gcc_cv_ld_eh_frame_hdr=no
2495 if test $in_tree_ld = yes ; then
2496 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \
2497 && test $in_tree_ld_is_elf = yes; then
2498 gcc_cv_ld_eh_frame_hdr=yes
2500 elif test x$gcc_cv_ld != x; then
2501 # Check if linker supports --eh-frame-hdr option
2502 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2503 gcc_cv_ld_eh_frame_hdr=yes
2506 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2507 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2508 [Define if your linker supports --eh-frame-hdr option.])
2510 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2512 AC_MSG_CHECKING(linker position independent executable support)
2514 if test $in_tree_ld = yes ; then
2515 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \
2516 && test $in_tree_ld_is_elf = yes; then
2519 elif test x$gcc_cv_ld != x; then
2520 # Check if linker supports -pie option
2521 if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
2525 if test x"$gcc_cv_ld_pie" = xyes; then
2526 AC_DEFINE(HAVE_LD_PIE, 1,
2527 [Define if your linker supports -pie option.])
2529 AC_MSG_RESULT($gcc_cv_ld_pie)
2531 # Miscellaneous target-specific checks.
2534 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2535 gcc_cv_mips_libgloss_startup=no
2536 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2537 if test "x$exec_prefix" = xNONE; then
2538 if test "x$prefix" = xNONE; then
2539 test_prefix=/usr/local
2544 test_prefix=$exec_prefix
2546 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_noncanonical/lib/idt.ld
2548 if grep '^STARTUP' $f > /dev/null 2>&1; then
2549 gcc_cv_mips_libgloss_startup=yes
2553 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2554 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2555 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2557 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2561 if test x$with_sysroot = x && test x$host = x$target \
2562 && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2563 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
2564 [Define to PREFIX/include if cpp should also search that directory.])
2567 # Figure out what language subdirectories are present.
2568 # Look if the user specified --enable-languages="..."; if not, use
2569 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2571 # NB: embedded tabs in this IF block -- do not untabify
2572 if test x"${enable_languages+set}" != xset; then
2573 if test x"${LANGUAGES+set}" = xset; then
2574 enable_languages="${LANGUAGES}"
2575 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2578 enable_languages=all
2581 if test x"${enable_languages}" = x \
2582 || test x"${enable_languages}" = xyes;
2584 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2587 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2589 # First scan to see if an enabled language requires some other language.
2590 # We assume that a given config-lang.in will list all the language
2591 # front ends it requires, even if some are required indirectly.
2592 for lang in ${srcdir}/*/config-lang.in
2595 # The odd quoting in the next line works around
2596 # an apparent bug in bash 1.12 on linux.
2598 ${srcdir}/[*]/config-lang.in)
2601 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2602 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2603 for other in $this_lang_requires
2605 case ,${enable_languages}, in
2611 enable_languages="$enable_languages,$other"
2620 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2623 for lang in ${srcdir}/*/config-lang.in
2626 # The odd quoting in the next line works around
2627 # an apparent bug in bash 1.12 on linux.
2629 ${srcdir}/[*]/config-lang.in) ;;
2631 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2632 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2633 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2634 if test "x$lang_alias" = x
2636 echo "$lang doesn't set \$language." 1>&2
2639 case ${build_by_default},${enable_languages}, in
2640 *,$lang_alias,*) add_this_lang=yes ;;
2641 no,*) add_this_lang=no ;;
2642 *,all,*) add_this_lang=yes ;;
2643 *) add_this_lang=no ;;
2645 found_languages="${found_languages} ${lang_alias}"
2646 if test x"${add_this_lang}" = xyes; then
2648 ${srcdir}/ada/config-lang.in)
2649 if test x$have_gnat = xyes ; then
2650 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2654 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2664 for expected_language in ${expected_languages} ..
2666 if test "${expected_language}" != ..; then
2667 missing_language="${expected_language}"
2668 if test "${expected_language}" = "c" \
2669 || test "${expected_language}" = "all"; then
2672 for found_language in ${found_languages} ..
2674 if test "${found_language}" != ..; then
2675 if test "${expected_language}" = "${found_language}"; then
2680 if test "x${missing_language}" != x; then
2681 missing_languages="${missing_languages} ${missing_language}"
2686 if test "x$missing_languages" != x; then
2688 The following requested languages were not found:${missing_languages}
2689 The following languages were available: c${found_languages}])
2692 # Make gthr-default.h if we have a thread file.
2694 if test $thread_file != single; then
2695 rm -f gthr-default.h
2696 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2697 gthread_flags=-DHAVE_GTHR_DEFAULT
2699 AC_SUBST(gthread_flags)
2701 # Find out what GC implementation we want, or may, use.
2703 [ --with-gc={simple,page,zone} choose the garbage collection mechanism to use
2706 simple | page | zone)
2710 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2715 echo "Using $GGC for garbage collection."
2717 # Use the system's zlib library.
2719 zlibinc="-I\$(srcdir)/../zlib"
2720 AC_ARG_WITH(system-zlib,
2721 [ --with-system-zlib use installed libz],
2728 dnl Very limited version of automake's enable-maintainer-mode
2730 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2731 dnl maintainer-mode is disabled by default
2732 AC_ARG_ENABLE(maintainer-mode,
2733 [ --enable-maintainer-mode
2734 enable make rules and dependencies not useful
2735 (and sometimes confusing) to the casual installer],
2736 maintainer_mode=$enableval,
2739 AC_MSG_RESULT($maintainer_mode)
2741 if test "$maintainer_mode" = "yes"; then
2748 # Make empty files to contain the specs and options for each language.
2749 # Then add #include lines to for a compiler that has specs and/or options.
2754 for subdir in . $subdirs
2756 if test -f $srcdir/$subdir/lang.opt; then
2757 lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
2759 if test -f $srcdir/$subdir/lang-specs.h; then
2760 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2762 if test -f $srcdir/$subdir/$subdir-tree.def; then
2763 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2767 # These (without "all_") are set in each config-lang.in.
2768 # `language' must be a single word so is spelled singularly.
2773 all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2774 # List of language makefile fragments.
2776 # List of language subdirectory makefiles. Deprecated.
2778 # Files for gengtype
2779 all_gtfiles="$target_gtfiles"
2780 # Files for gengtype with language
2781 all_gtfiles_files_langs=
2782 all_gtfiles_files_files=
2784 # Add the language fragments.
2785 # Languages are added via two mechanisms. Some information must be
2786 # recorded in makefile variables, these are defined in config-lang.in.
2787 # We accumulate them and plug them into the main Makefile.
2788 # The other mechanism is a set of hooks for each of the main targets
2789 # like `clean', `install', etc.
2791 language_hooks="Make-hooks"
2801 . ${srcdir}/$s/config-lang.in
2802 if test "x$language" = x
2804 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2807 all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$s/Make-lang.in"
2808 if test -f ${srcdir}/$s/Makefile.in
2809 then all_lang_makefiles="$s/Makefile"
2811 all_languages="$all_languages $language"
2812 if test "x$boot_language" = xyes
2814 all_boot_languages="$all_boot_languages $language"
2816 all_compilers="$all_compilers $compilers"
2817 all_stagestuff="$all_stagestuff $stagestuff"
2818 all_outputs="$all_outputs $outputs"
2819 all_gtfiles="$all_gtfiles $gtfiles"
2822 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2823 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2827 # Pick up gtfiles for c
2830 . ${srcdir}/c-config-lang.in
2831 all_gtfiles="$all_gtfiles $gtfiles"
2834 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2835 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2839 for language in $all_languages
2841 check_languages="$check_languages check-$language"
2844 # We link each language in with a set of hooks, reached indirectly via
2849 target_list="all.build all.cross start.encap rest.encap tags \
2850 install-normal install-common install-man \
2852 mostlyclean clean distclean maintainer-clean \
2853 stage1 stage2 stage3 stage4 stageprofile stagefeedback"
2854 for t in $target_list
2857 for lang in $all_languages
2861 echo "lang.$t: $x" >> Make-hooks
2866 echo "dir ." > .gdbinit
2867 echo "dir ${srcdir}" >> .gdbinit
2868 if test x$gdb_needs_out_file_path = xyes
2870 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2872 if test "x$subdirs" != x; then
2875 echo "dir ${srcdir}/$s" >> .gdbinit
2878 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2880 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2881 # absolute path for gcc_tooldir based on inserting the number of up-directory
2882 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2883 # $(libsubdir)/@(unlibsubdir) based path.
2884 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2885 # make and thus we'd get different behavior depending on where we built the
2887 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2888 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_noncanonical)'
2890 changequote(<<, >>)dnl
2891 # An explanation of the sed strings:
2892 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2893 # -e 's|/$||' match a trailing forward slash and eliminates it
2894 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2895 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2897 # (*) Note this pattern overwrites the first character of the string
2898 # with a forward slash if one is not already present. This is not a
2899 # problem because the exact names of the sub-directories concerned is
2900 # unimportant, just the number of them matters.
2902 # The practical upshot of these patterns is like this:
2904 # prefix exec_prefix result
2905 # ------ ----------- ------
2907 # /foo/ /foo/bar ../
2908 # /foo /foo/bar/ ../
2909 # /foo/ /foo/bar/ ../
2910 # /foo /foo/bar/ugg ../../
2913 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_noncanonical)"
2914 changequote([, ])dnl
2916 AC_SUBST(gcc_tooldir)
2919 # Find a directory in which to install a shared libgcc.
2921 AC_ARG_ENABLE(version-specific-runtime-libs,
2922 [ --enable-version-specific-runtime-libs
2923 specify that runtime libraries should be
2924 installed in a compiler-specific directory])
2926 AC_ARG_WITH(slibdir,
2927 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2928 slibdir="$with_slibdir",
2929 if test "${enable_version_specific_runtime_libs+set}" = set; then
2930 slibdir='$(libsubdir)'
2931 elif test "$host" != "$target"; then
2932 slibdir='$(build_tooldir)/lib'
2938 objdir=`${PWDCMD-pwd}`
2941 # Substitute configuration variables
2946 AC_SUBST(all_boot_languages)
2947 AC_SUBST(all_compilers)
2948 AC_SUBST(all_gtfiles)
2949 AC_SUBST(all_gtfiles_files_langs)
2950 AC_SUBST(all_gtfiles_files_files)
2951 AC_SUBST(all_lang_makefrags)
2952 AC_SUBST(all_lang_makefiles)
2953 AC_SUBST(all_languages)
2954 AC_SUBST(all_stagestuff)
2955 AC_SUBST(build_exeext)
2956 AC_SUBST(build_install_headers_dir)
2957 AC_SUBST(build_xm_file_list)
2958 AC_SUBST(build_xm_include_list)
2959 AC_SUBST(build_xm_defines)
2960 AC_SUBST(check_languages)
2961 AC_SUBST(cc_set_by_configure)
2962 AC_SUBST(quoted_cc_set_by_configure)
2963 AC_SUBST(cpp_install_dir)
2964 AC_SUBST(xmake_file)
2965 AC_SUBST(tmake_file)
2966 AC_SUBST(extra_headers_list)
2967 AC_SUBST(extra_objs)
2968 AC_SUBST(extra_parts)
2969 AC_SUBST(extra_passes)
2970 AC_SUBST(extra_programs)
2971 AC_SUBST(float_h_file)
2972 AC_SUBST(gcc_config_arguments)
2973 AC_SUBST(gcc_gxx_include_dir)
2974 AC_SUBST(libstdcxx_incdir)
2975 AC_SUBST(gcc_version)
2976 AC_SUBST(gcc_version_full)
2977 AC_SUBST(gcc_version_trigger)
2978 AC_SUBST(host_exeext)
2979 AC_SUBST(host_extra_gcc_objs)
2980 AC_SUBST(host_xm_file_list)
2981 AC_SUBST(host_xm_include_list)
2982 AC_SUBST(host_xm_defines)
2983 AC_SUBST(out_host_hook_obj)
2985 AC_SUBST(lang_opt_files)
2986 AC_SUBST(lang_specs_files)
2987 AC_SUBST(lang_tree_files)
2988 AC_SUBST(local_prefix)
2990 AC_SUBST(objc_boehm_gc)
2992 AC_SUBST(out_object_file)
2993 AC_SUBST(stage_prefix_set_by_configure)
2994 AC_SUBST(quoted_stage_prefix_set_by_configure)
2995 AC_SUBST(symbolic_link)
2996 AC_SUBST(thread_file)
2997 AC_SUBST(tm_file_list)
2998 AC_SUBST(tm_include_list)
2999 AC_SUBST(tm_defines)
3000 AC_SUBST(tm_p_file_list)
3001 AC_SUBST(tm_p_include_list)
3002 AC_SUBST(xm_file_list)
3003 AC_SUBST(xm_include_list)
3004 AC_SUBST(xm_defines)
3005 AC_SUBST(target_noncanonical)
3006 AC_SUBST(c_target_objs)
3007 AC_SUBST(cxx_target_objs)
3008 AC_SUBST(target_cpu_default)
3010 AC_SUBST_FILE(language_hooks)
3013 if test x${build} = x${host} ; then
3014 if test x${host} = x${target} ; then
3015 echo "Links are now set up to build a native compiler for ${target}." 1>&2
3017 echo "Links are now set up to build a cross-compiler" 1>&2
3018 echo " from ${host} to ${target}." 1>&2
3021 if test x${host} = x${target} ; then
3022 echo "Links are now set up to build (on ${build}) a native compiler" 1>&2
3023 echo " for ${target}." 1>&2
3025 echo "Links are now set up to build (on ${build}) a cross-compiler" 1>&2
3026 echo " from ${host} to ${target}." 1>&2
3030 # Configure the subdirectories
3031 # AC_CONFIG_SUBDIRS($subdirs)
3033 # Create the Makefile
3034 # and configure language subdirectories
3035 AC_OUTPUT($all_outputs,
3037 case x$CONFIG_HEADERS in
3038 xauto-host.h:config.in)
3041 # Make sure all the subdirs exist.
3044 test -d $d || mkdir $d
3046 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
3047 # bootstrapping and the installation procedure can still use
3048 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
3049 # FLAGS_TO_PASS has been modified to solve the problem there.
3050 # This is virtually a duplicate of what happens in configure.lang; we do
3051 # an extra check to make sure this only happens if ln -s can be used.
3052 if test "$symbolic_link" = "ln -s"; then
3053 for d in ${subdirs} fixinc ; do
3054 STARTDIR=`${PWDCMD-pwd}`
3056 for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include
3059 $symbolic_link ../$t $t 2>/dev/null
3066 symbolic_link='$symbolic_link'