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 $ac_cv_c___int64 = yes; then
277 AC_COMPILE_CHECK_SIZEOF(__int64)
284 # See if GNAT has been installed
287 if test x$have_gnat != xno ; then
288 AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
289 ac_cv_prog_adac_no_long_long,
290 [cat >conftest.adb <<EOF
291 procedure conftest is begin null; end conftest;
293 if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
294 ac_cv_prog_adac_no_long_long=yes
296 ac_cv_prog_adac_no_long_long=no
300 ac_cv_prog_adac_no_long_long=yes
303 # ---------------------
304 # Warnings and checking
305 # ---------------------
308 if test $ac_cv_prog_cc_no_long_long = yes && \
309 test $ac_cv_prog_adac_no_long_long = yes ; then
310 strict1_warn="-pedantic -Wno-long-long"
312 AC_SUBST(strict1_warn)
314 # If the native compiler is GCC, we can enable warnings even in stage1.
315 # That's useful for people building cross-compilers, or just running a
318 if test "x$GCC" = "xyes"; then
319 warn_cflags='$(GCC_WARN_CFLAGS)'
321 AC_SUBST(warn_cflags)
323 # Enable -Werror in bootstrap stage2 and later.
324 # Change the default to "no" on release branches.
325 AC_ARG_ENABLE(werror,
326 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
328 if test x$enable_werror = xyes ; then
333 # Enable expensive internal checks
334 AC_ARG_ENABLE(checking,
335 [ --enable-checking[=LIST]
336 enable expensive run-time checks. With LIST,
337 enable only specific categories of checks.
338 Categories are: misc,tree,rtl,rtlflag,gc,gcac,fold;
339 default is misc,tree,gc,rtlflag],
345 ac_gc_always_collect=
347 case "${enableval}" in
348 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
349 ac_rtlflag_checking=1 ;;
351 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
352 set fnord $enableval; shift
357 misc) ac_checking=1 ;;
358 tree) ac_tree_checking=1 ;;
359 rtlflag) ac_rtlflag_checking=1 ;;
360 rtl) ac_rtl_checking=1 ;;
361 gc) ac_gc_checking=1 ;;
362 gcac) ac_gc_always_collect=1 ;;
363 fold) ac_fold_checking=1 ;;
364 valgrind) ac_checking_valgrind=1 ;;
365 *) AC_MSG_ERROR(unknown check category $check) ;;
371 # Enable some checks by default for development versions of GCC
372 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
374 if test x$ac_checking != x ; then
375 AC_DEFINE(ENABLE_CHECKING, 1,
376 [Define if you want more run-time sanity checks. This one gets a grab
377 bag of miscellaneous but relatively cheap checks.])
378 nocommon_flag=-fno-common
380 AC_SUBST(nocommon_flag)
381 if test x$ac_tree_checking != x ; then
382 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
383 [Define if you want all operations on trees (the basic data
384 structure of the front ends) to be checked for dynamic type safety
385 at runtime. This is moderately expensive.])
387 if test x$ac_rtl_checking != x ; then
388 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
389 [Define if you want all operations on RTL (the basic data structure
390 of the optimizer and back end) to be checked for dynamic type safety
391 at runtime. This is quite expensive.])
393 if test x$ac_rtlflag_checking != x ; then
394 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
395 [Define if you want RTL flag accesses to be checked against the RTL
396 codes that are supported for each access macro. This is relatively
399 if test x$ac_gc_checking != x ; then
400 AC_DEFINE(ENABLE_GC_CHECKING, 1,
401 [Define if you want the garbage collector to do object poisoning and
402 other memory allocation checks. This is quite expensive.])
404 if test x$ac_gc_always_collect != x ; then
405 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
406 [Define if you want the garbage collector to operate in maximally
407 paranoid mode, validating the entire heap and collecting garbage at
408 every opportunity. This is extremely expensive.])
410 if test x$ac_fold_checking != x ; then
411 AC_DEFINE(ENABLE_FOLD_CHECKING, 1,
412 [Define if you want fold checked that it never destructs its argument.
413 This is quite expensive.])
415 valgrind_path_defines=
417 if test x$ac_checking_valgrind != x ; then
418 # It is certainly possible that there's valgrind but no valgrind.h.
419 # GCC relies on making annotations so we must have both.
420 AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>)
422 [#include <valgrind/memcheck.h>
423 #ifndef VALGRIND_DISCARD
424 #error VALGRIND_DISCARD not defined
426 [gcc_cv_header_valgrind_memcheck_h=yes],
427 [gcc_cv_header_valgrind_memcheck_h=no])
428 AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h)
429 AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
431 [#include <memcheck.h>
432 #ifndef VALGRIND_DISCARD
433 #error VALGRIND_DISCARD not defined
435 [gcc_cv_header_memcheck_h=yes],
436 gcc_cv_header_memcheck_h=no)
437 AC_MSG_RESULT($gcc_cv_header_memcheck_h)
438 AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
439 AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
440 [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
441 if test "x$valgrind_path" = "x" \
442 || (test $have_valgrind_h = no \
443 && test $gcc_cv_header_memcheck_h = no \
444 && test $gcc_cv_header_valgrind_memcheck_h = no); then
445 AC_MSG_ERROR([*** Can't find both valgrind and valgrind/memcheck.h, memcheck.h or valgrind.h])
447 valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
448 valgrind_command="$valgrind_path -q"
449 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
450 [Define if you want to run subprograms and generated programs
451 through valgrind (a memory checker). This is extremely expensive.])
452 if test $gcc_cv_header_valgrind_memcheck_h = yes; then
453 AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1,
454 [Define if valgrind's valgrind/memcheck.h header is installed.])
456 if test $gcc_cv_header_memcheck_h = yes; then
457 AC_DEFINE(HAVE_MEMCHECK_H, 1,
458 [Define if valgrind's memcheck.h header is installed.])
461 AC_SUBST(valgrind_path_defines)
462 AC_SUBST(valgrind_command)
464 # Enable code coverage collection
465 AC_ARG_ENABLE(coverage,
466 [ --enable-coverage[=LEVEL]
467 enable compiler\'s code coverage collection.
468 Use to measure compiler performance and locate
469 unused parts of the compiler. With LEVEL, specify
470 optimization. Values are opt, noopt,
472 [case "${enableval}" in
474 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0"
477 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2"
480 AC_MSG_ERROR(unknown coverage setting $enableval)
484 AC_SUBST(coverage_flags)
486 # -------------------------------
487 # Miscenalleous configure options
488 # -------------------------------
492 [ --with-stabs arrange to use stabs instead of host debug format],
496 # Determine whether or not multilibs are enabled.
497 AC_ARG_ENABLE(multilib,
498 [ --enable-multilib enable library support for multiple ABIs],
499 [], [enable_multilib=yes])
500 AC_SUBST(enable_multilib)
502 # Enable __cxa_atexit for C++.
503 AC_ARG_ENABLE(__cxa_atexit,
504 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
508 # Pass with no value to take the default
509 # Pass with a value to specify a thread package
510 AC_ARG_ENABLE(threads,
511 [ --enable-threads enable thread usage for target GCC
512 --enable-threads=LIB use LIB thread package for target GCC],,
514 # Save in case it gets overwritten in config.gcc
515 enable_threads_flag=$enable_threads
517 AC_ARG_ENABLE(objc-gc,
518 [ --enable-objc-gc enable the use of Boehm's garbage collector with
519 the GNU Objective-C runtime],
520 if test x$enable_objc_gc = xno; then
528 [ --with-dwarf2 force the default debug format to be DWARF 2],
529 dwarf2="$with_dwarf2",
532 AC_ARG_ENABLE(shared,
533 [ --disable-shared don't provide a shared libgcc],
535 case $enable_shared in
539 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
540 for pkg in $enableval; do
541 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
548 ], [enable_shared=yes])
549 AC_SUBST(enable_shared)
552 [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
554 case ${with_sysroot} in
555 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_noncanonical}/sys-root' ;;
556 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
559 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
560 CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
562 if test "x$exec_prefix" = xNONE; then
563 if test "x$prefix" = xNONE; then
564 test_prefix=/usr/local
569 test_prefix=$exec_prefix
571 case ${TARGET_SYSTEM_ROOT} in
572 "${test_prefix}"|"${test_prefix}/"*|\
573 '${exec_prefix}'|'${exec_prefix}/'*)
574 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
575 TARGET_SYSTEM_ROOT_DEFINE="$t"
580 TARGET_SYSTEM_ROOT_DEFINE=
581 CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include'
583 AC_SUBST(TARGET_SYSTEM_ROOT)
584 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
585 AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
587 # Build with intermodule optimisations
588 AC_ARG_ENABLE(intermodule,
589 [ --enable-intermodule build the compiler in one step],
590 [case ${enable_intermodule} in
591 yes) onestep="-onestep";;
597 # -------------------------
598 # Checks for other programs
599 # -------------------------
603 # Find some useful tools
610 # See if cmp has --ignore-initial.
611 gcc_AC_PROG_CMP_IGNORE_INITIAL
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)
649 dnl Don't use AC_PROG_LEX; we insist on flex.
650 dnl LEXLIB is not useful in gcc.
651 if test -f $srcdir/../flex/skel.c; then
652 FLEX='$(objdir)/../flex/flex'
654 AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
658 # The -L switch is so bison can find its skeleton file.
659 if test -f $srcdir/../bison/bison.simple; then
660 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
662 AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
665 # --------------------
666 # Checks for C headers
667 # --------------------
669 AC_MSG_CHECKING(for GNU C library)
670 AC_CACHE_VAL(gcc_cv_glibc,
672 [#include <features.h>],[
673 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
674 #error Not a GNU C library system
678 AC_MSG_RESULT($gcc_cv_glibc)
679 if test $gcc_cv_glibc = yes; then
680 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
685 gcc_AC_HEADER_STDBOOL
688 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
689 fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \
690 sys/resource.h sys/param.h sys/times.h sys/stat.h \
691 direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h)
693 # Check for thread headers.
694 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
695 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
697 # These tests can't be done till we know if we have limits.h.
705 # Stage specific cflags for build.
711 stage1_cflags="-Wa,-J"
717 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
718 # sources; use -no-cpp-precomp to get to GNU cpp.
719 # Apple's GCC has bugs in designated initializer handling, so disable
721 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
724 AC_SUBST(stage1_cflags)
726 # These libraries may be used by collect2.
727 # We may need a special search path to get them linked.
728 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
730 for libs in '' -lld -lmld \
731 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
732 '-L/usr/lib/cmplrs/cc3.11 -lmld'
735 AC_TRY_LINK_FUNC(ldopen,
736 [gcc_cv_collect2_libs="$libs"; break])
739 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
740 case $gcc_cv_collect2_libs in
742 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
744 AC_SUBST(COLLECT2_LIBS)
746 # When building Ada code on Alpha, we need exc_resume which is usually in
747 # -lexc. So test for it.
750 AC_SEARCH_LIBS(exc_resume, exc)
753 AC_SUBST(GNAT_LIBEXC)
755 # Some systems put ldexp and frexp in libm instead of libc; assume
756 # they're both in the same place. jcf-dump needs them.
759 AC_SEARCH_LIBS(ldexp, m)
764 # Use <inttypes.h> only if it exists,
765 # doesn't clash with <sys/types.h>, and declares intmax_t.
766 AC_MSG_CHECKING(for inttypes.h)
767 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
769 [#include <sys/types.h>
770 #include <inttypes.h>],
772 [gcc_cv_header_inttypes_h=yes],
773 gcc_cv_header_inttypes_h=no)])
774 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
775 if test $gcc_cv_header_inttypes_h = yes; then
776 AC_DEFINE(HAVE_INTTYPES_H, 1,
777 [Define if you have a working <inttypes.h> header file.])
780 dnl Disabled until we have a complete test for buggy enum bitfields.
781 dnl gcc_AC_C_ENUM_BF_UNSIGNED
783 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
784 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
785 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \
786 scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore \
789 if test x$ac_cv_func_mbstowcs = xyes; then
790 AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
791 [ AC_TRY_RUN([#include <stdlib.h>
797 gcc_cv_func_mbstowcs_works=yes,
798 gcc_cv_func_mbstowcs_works=no,
799 gcc_cv_func_mbstowcs_works=yes)])
800 if test x$gcc_cv_func_mbstowcs_works = xyes; then
801 AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1,
802 [Define this macro if mbstowcs does not crash when its
803 first argument is NULL.])
807 gcc_AC_CHECK_TYPE(ssize_t, int)
809 # Try to determine the array type of the second argument of getgroups
810 # for the target system (int or gid_t).
812 if test "${target}" = "${build}"; then
813 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
816 # This condition may need some tweaking. It should include all
817 # targets where the array type of the second argument of getgroups
818 # is int and the type of gid_t is not equivalent to int.
819 *-*-sunos* | *-*-ultrix*)
820 TARGET_GETGROUPS_T=int
823 TARGET_GETGROUPS_T=gid_t
827 AC_SUBST(TARGET_GETGROUPS_T)
829 gcc_AC_FUNC_PRINTF_PTR
830 gcc_AC_FUNC_MMAP_BLACKLIST
834 # Under VMS, vfork works very differently than on Unix. The standard test
835 # won't work, and it isn't easily adaptable. It makes more sense to
837 ac_cv_func_vfork_works=yes
843 # Until we have in-tree GNU iconv:
845 AC_SUBST(LIBICONV_DEP)
849 # We will need to find libiberty.h and ansidecl.h
850 saved_CFLAGS="$CFLAGS"
851 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
852 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
853 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
854 fprintf_unlocked strstr errno snprintf vasprintf \
855 malloc realloc calloc free basename getopt clock, , ,[
856 #include "ansidecl.h"
857 #include "system.h"])
859 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
860 #include "ansidecl.h"
862 #ifdef HAVE_SYS_RESOURCE_H
863 #include <sys/resource.h>
868 #include "ansidecl.h"
870 #ifdef HAVE_SYS_RESOURCE_H
871 #include <sys/resource.h>
873 ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long],
874 [Define to \`long' if <sys/resource.h> doesn't define.])])
876 gcc_AC_CHECK_DECLS(ldgetname, , ,[
877 #include "ansidecl.h"
884 gcc_AC_CHECK_DECLS(times, , ,[
885 #include "ansidecl.h"
887 #ifdef HAVE_SYS_TIMES_H
888 #include <sys/times.h>
892 # More time-related stuff.
893 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
895 #include "ansidecl.h"
897 #ifdef HAVE_SYS_TIMES_H
898 #include <sys/times.h>
900 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
901 if test $ac_cv_struct_tms = yes; then
902 AC_DEFINE(HAVE_STRUCT_TMS, 1,
903 [Define if <sys/times.h> defines struct tms.])
906 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
907 # revisit after autoconf 2.50.
908 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
910 #include "ansidecl.h"
912 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
913 if test $gcc_cv_type_clock_t = yes; then
914 AC_DEFINE(HAVE_CLOCK_T, 1,
915 [Define if <time.h> defines clock_t.])
918 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
920 #include "ansidecl.h"
923 [if ((uchar *)0) return 0;
924 if (sizeof(uchar)) return 0;],
925 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
926 if test $ac_cv_type_uchar = yes; then
927 AC_DEFINE(HAVE_UCHAR, 1,
928 [Define if <sys/types.h> defines \`uchar'.])
931 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
932 CFLAGS="$saved_CFLAGS"
934 gcc_AC_INITFINI_ARRAY
936 # mkdir takes a single argument on some systems.
937 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
945 # With Setjmp/Longjmp based exception handling.
946 AC_ARG_ENABLE(sjlj-exceptions,
947 [ --enable-sjlj-exceptions
948 arrange to use setjmp/longjmp exception handling],
949 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
950 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
951 [Define 0/1 to force the choice for exception handling model.])])
953 if test x$host = x$target; then
954 AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
956 use_libunwind_default=no
958 # Use libunwind based exception handling.
959 AC_ARG_ENABLE(libunwind-exceptions,
960 [ --enable-libunwind-exceptions force use libunwind for exceptions],
961 use_libunwind_exceptions=$enableval,
962 use_libunwind_exceptions=$use_libunwind_default)
963 if test x"$use_libunwind_exceptions" = xyes; then
964 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
965 [Define if gcc should use -lunwind.])
968 # --------------------------------------------------------
969 # Build, host, and target specific configuration fragments
970 # --------------------------------------------------------
972 # Collect build-machine-specific information.
973 . ${srcdir}/config.build
975 # Collect host-machine-specific information.
976 . ${srcdir}/config.host
980 # Collect target-machine-specific information.
981 . ${srcdir}/config.gcc
983 extra_objs="${host_extra_objs} ${extra_objs}"
985 # Default the target-machine variables that were not explicitly set.
986 if test x"$tm_file" = x
987 then tm_file=$cpu_type/$cpu_type.h; fi
989 if test x"$extra_headers" = x
990 then extra_headers=; fi
992 if test x$md_file = x
993 then md_file=$cpu_type/$cpu_type.md; fi
995 if test x$out_file = x
996 then out_file=$cpu_type/$cpu_type.c; fi
998 if test x"$tmake_file" = x
999 then tmake_file=$cpu_type/t-$cpu_type
1002 if test x"$dwarf2" = xyes
1003 then tm_file="$tm_file tm-dwarf2.h"
1006 # Say what files are being used for the output code and MD file.
1007 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
1008 echo "Using \`$srcdir/config/$md_file' as machine description file."
1010 # If any of the xm_file variables contain nonexistent files, warn
1011 # about them and drop them.
1014 for x in $build_xm_file; do
1015 if test -f $srcdir/config/$x
1017 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1023 for x in $host_xm_file; do
1024 if test -f $srcdir/config/$x
1026 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1032 for x in $xm_file; do
1033 if test -f $srcdir/config/$x
1035 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1041 for f in $tm_file; do
1044 if test $count = ax; then
1045 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
1047 echo "Using the following target machine macro files:"
1048 for f in $tm_file; do
1049 echo " $srcdir/config/$f"
1053 if test x$need_64bit_hwint = xyes; then
1054 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
1055 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
1059 for f in $host_xm_file; do
1062 if test $count = a; then
1064 elif test $count = ax; then
1065 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
1067 echo "Using the following host machine macro files:"
1068 for f in $host_xm_file; do
1069 echo " $srcdir/config/$f"
1072 echo "Using ${out_host_hook_obj} for host machine hooks."
1074 if test "$host_xm_file" != "$build_xm_file"; then
1076 for f in $build_xm_file; do
1079 if test $count = a; then
1081 elif test $count = ax; then
1082 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
1084 echo "Using the following build machine macro files:"
1085 for f in $build_xm_file; do
1086 echo " $srcdir/config/$f"
1091 # Check if a valid thread package
1092 case ${enable_threads_flag} in
1095 target_thread_file='single'
1099 target_thread_file='single'
1101 aix | dce | gnat | irix | posix | rtems | \
1102 single | solaris | vxworks | win32 )
1103 target_thread_file=${enable_threads_flag}
1106 echo "${enable_threads_flag} is an unknown thread package" 1>&2
1111 if test x${thread_file} = x; then
1112 # No thread file set by target-specific clauses in config.gcc,
1113 # so use file chosen by default logic above
1114 thread_file=${target_thread_file}
1117 if test x$enable___cxa_atexit = xyes || \
1118 test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
1119 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
1120 [Define if you want to use __cxa_atexit, rather than atexit, to
1121 register C++ destructors for local statics and global objects.
1122 This is essential for fully standards-compliant handling of
1123 destructors, but requires __cxa_atexit in libc.])
1126 # Look for a file containing extra machine modes.
1127 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
1128 extra_modes_file='$(srcdir)'/config/${extra_modes}
1129 AC_SUBST(extra_modes_file)
1130 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "config/$extra_modes",
1131 [Define to the name of a file containing a list of extra machine modes
1132 for this architecture.])
1135 # auto-host.h is the file containing items generated by autoconf and is
1136 # the first file included by config.h.
1137 # If host=build, it is correct to have bconfig include auto-host.h
1138 # as well. If host!=build, we are in error and need to do more
1139 # work to find out the build config parameters.
1140 if test x$host = x$build
1142 build_auto=auto-host.h
1145 # We create a subdir, then run autoconf in the subdir.
1146 # To prevent recursion we set host and build for the new
1147 # invocation of configure to the build for this invocation
1154 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
1155 *) realsrcdir=../${srcdir};;
1157 saved_CFLAGS="${CFLAGS}"
1158 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
1159 ${realsrcdir}/configure \
1160 --target=$target_alias --host=$build_alias --build=$build_alias
1161 CFLAGS="${saved_CFLAGS}"
1163 # We just finished tests for the build machine, so rename
1164 # the file auto-build.h in the gcc directory.
1165 mv auto-host.h ../auto-build.h
1168 build_auto=auto-build.h
1169 FORBUILD=../${build_subdir}
1173 tm_file="${tm_file} defaults.h"
1174 tm_p_file="${tm_p_file} tm-preds.h"
1175 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1176 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1177 # We don't want ansidecl.h in target files, write code there in ISO/GNU C.
1178 # put this back in temporarily.
1179 xm_file="ansidecl.h ${xm_file}"
1185 # Get the version trigger filename from the toplevel
1186 if test "${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"
1204 # Double all backslashes and backslash all quotes to turn
1205 # gcc_config_arguments into a C string.
1206 sed -e 's/\\/\\\\/g; s/"/\\"/g' <<EOF >conftest.out
1207 $gcc_config_arguments
1209 gcc_config_arguments_str=`cat conftest.out`
1212 cat > configargs.h <<EOF
1213 /* Generated automatically. */
1214 static const char configuration_arguments[] = "$gcc_config_arguments_str";
1215 static const char thread_model[] = "$thread_file";
1217 static const struct {
1218 const char *name, *value;
1219 } configure_default_options[] = $configure_default_options;
1223 # Internationalization
1225 VERSION="$gcc_version"
1229 ZW_GNU_GETTEXT_SISTER_DIR
1231 # If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get
1232 # -liconv on the link line twice.
1233 case "$LIBINTL" in *$LIBICONV*)
1237 # Windows32 Registry support for specifying GCC installation paths.
1238 AC_ARG_ENABLE(win32-registry,
1239 [ --disable-win32-registry
1240 disable lookup of installation paths in the
1241 Registry on Windows hosts
1242 --enable-win32-registry enable registry lookup (default)
1243 --enable-win32-registry=KEY
1244 use KEY instead of GCC version as the last portion
1245 of the registry key],,)
1247 win32 | pe | cygwin* | mingw32* | uwin*)
1248 AC_MSG_CHECKING(whether windows registry support is requested)
1249 if test "x$enable_win32_registry" != xno; then
1250 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1251 [Define to 1 if installation paths should be looked up in Windows32
1252 Registry. Ignored on non windows32 hosts.])
1254 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1259 # Check if user specified a different registry key.
1260 case "x${enable_win32_registry}" in
1263 gcc_cv_win32_registry_key="$VERSION"
1266 # no registry lookup.
1267 gcc_cv_win32_registry_key=''
1270 # user-specified key.
1271 gcc_cv_win32_registry_key="$enable_win32_registry"
1275 if test "x$enable_win32_registry" != xno; then
1276 AC_MSG_CHECKING(registry key on windows hosts)
1277 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1278 [Define to be the last portion of registry key on windows hosts.])
1279 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1284 # Get an absolute path to the GCC top-level source directory
1285 holddir=`${PWDCMD-pwd}`
1287 topdir=`${PWDCMD-pwd}`
1290 # Conditionalize the makefile for this host machine.
1292 for f in ${host_xmake_file}
1294 if test -f ${srcdir}/config/$f
1296 xmake_file="${xmake_file} \$(srcdir)/config/$f"
1300 # Conditionalize the makefile for this target machine.
1302 for f in ${tmake_file}
1304 if test -f ${srcdir}/config/$f
1306 tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
1309 tmake_file="${tmake_file_}"
1311 symbolic_link='ln -s'
1313 # If the host doesn't support symlinks, modify CC in
1314 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1315 # Otherwise, we can use "CC=$(CC)".
1317 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1319 cc_set_by_configure="\$(CC)"
1320 quoted_cc_set_by_configure="\$(CC)"
1321 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1322 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1325 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1327 symbolic_link="cp -p"
1331 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1332 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1333 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1334 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1338 out_object_file=`basename $out_file .c`.o
1342 for f in $tm_file; do
1345 tm_file_list="${tm_file_list} \$(srcdir)/$f"
1346 tm_include_list="${tm_include_list} $f"
1349 tm_file_list="${tm_file_list} \$(srcdir)/config/$f"
1350 tm_include_list="${tm_include_list} config/$f"
1357 for f in $tm_p_file; do
1360 tm_p_file_list="${tm_p_file_list} $f"
1361 tm_p_include_list="${tm_p_include_list} $f"
1364 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1365 tm_p_include_list="${tm_p_include_list} config/$f"
1371 for f in $xm_file; do
1374 xm_file_list="${xm_file_list} \$(srcdir)/../include/$f"
1375 xm_include_list="${xm_include_list} $f"
1378 xm_file_list="${xm_file_list} $f"
1379 xm_include_list="${xm_include_list} $f"
1382 xm_file_list="${xm_file_list} \$(srcdir)/config/$f"
1383 xm_include_list="${xm_include_list} config/$f"
1389 host_xm_include_list=
1390 for f in $host_xm_file; do
1393 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f"
1394 host_xm_include_list="${host_xm_include_list} $f"
1397 host_xm_file_list="${host_xm_file_list} $f"
1398 host_xm_include_list="${host_xm_include_list} $f"
1401 host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f"
1402 host_xm_include_list="${host_xm_include_list} config/$f"
1408 for f in $build_xm_file; do
1411 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f"
1412 build_xm_include_list="${build_xm_include_list} $f"
1414 auto-build.h | auto-host.h )
1415 build_xm_file_list="${build_xm_file_list} $f"
1416 build_xm_include_list="${build_xm_include_list} $f"
1419 build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f"
1420 build_xm_include_list="${build_xm_include_list} config/$f"
1425 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1426 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1427 CROSS= AC_SUBST(CROSS)
1428 ALL=all.internal AC_SUBST(ALL)
1429 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1430 if test x$host != x$target
1432 CROSS="-DCROSS_COMPILE"
1434 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1435 case "$host","$target" in
1436 # Darwin crosses can use the host system's libraries and headers,
1437 # because of the fat library support. Of course, it must be the
1438 # same version of Darwin on both sides. Allow the user to
1439 # just say --target=foo-darwin without a version number to mean
1440 # "the version on this system".
1441 *-*-darwin*,*-*-darwin*)
1442 hostos=`echo $host | sed 's/.*-darwin/darwin/'`
1443 targetos=`echo $target | sed 's/.*-darwin/darwin/'`
1444 if test $hostos = $targetos -o $targetos = darwin ; then
1446 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
1451 i?86-*-*,x86_64-*-* \
1452 | powerpc*-*-*,powerpc64*-*-*)
1453 CROSS="$CROSS -DNATIVE_CROSS" ;;
1455 elif test "x$TARGET_SYSTEM_ROOT" != x; then
1456 # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)
1457 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1460 # If this is a cross-compiler that does not
1461 # have its own set of headers then define
1464 # If this is using newlib, without having the headers available now,
1465 # then define inhibit_libc in LIBGCC2_CFLAGS.
1466 # This prevents libgcc2 from containing any code which requires libc
1469 if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
1470 test x$with_newlib = xyes ; } &&
1471 { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then
1472 inhibit_libc=-Dinhibit_libc
1474 AC_SUBST(inhibit_libc)
1476 # When building gcc with a cross-compiler, we need to adjust things so
1477 # that the generator programs are still built with the native compiler.
1478 # Also, we cannot run fixincludes or fix-header.
1480 # These are the normal (build=host) settings:
1481 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1482 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1483 CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD)
1484 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1486 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1488 # Possibly disable fixproto, on a per-target basis.
1489 case ${use_fixproto} in
1494 STMP_FIXPROTO=stmp-fixproto
1497 AC_SUBST(STMP_FIXPROTO)
1499 # And these apply if build != host, or we are generating coverage data
1500 if test x$build != x$host || test "x$coverage_flags" != x
1503 BUILD_PREFIX_1=build-
1504 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
1506 if test "x$TARGET_SYSTEM_ROOT" = x; then
1512 # Expand extra_headers to include complete path.
1513 # This substitutes for lots of t-* files.
1515 # Prepend $(srcdir)/config/${cpu_type}/ to every entry in extra_headers.
1516 for file in ${extra_headers} ; do
1517 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1520 # Add a definition of USE_COLLECT2 if system wants one.
1521 case $use_collect2 in
1522 no) use_collect2= ;;
1525 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1526 xm_defines="${xm_defines} USE_COLLECT2"
1530 # Identify the assembler which will work hand-in-glove with the newly
1531 # built GCC, so that we can examine its features. This is the assembler
1532 # which will be driven by the driver program.
1534 # If build != host, and we aren't building gas in-tree, we identify a
1535 # build->target assembler and hope that it will have the same features
1536 # as the host->target assembler we'll be using.
1537 AC_MSG_CHECKING(what assembler to use)
1540 gcc_cv_gas_major_version=
1541 gcc_cv_gas_minor_version=
1542 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1543 if test -x "$DEFAULT_ASSEMBLER"; then
1544 gcc_cv_as="$DEFAULT_ASSEMBLER"
1545 elif test -x "$AS"; then
1547 elif test -x as$host_exeext; then
1548 # Build using assembler in the current directory.
1549 gcc_cv_as=./as$host_exeext
1550 elif test -f $gcc_cv_as_gas_srcdir/configure.in \
1551 && test -f ../gas/Makefile; then
1552 # Single tree build which includes gas.
1554 _gcc_COMPUTE_GAS_VERSION
1555 rm -f as$host_exeext
1556 $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1557 in_tree_gas_is_elf=no
1558 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1559 || (grep 'obj_format = multi' ../gas/Makefile \
1560 && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null
1562 in_tree_gas_is_elf=yes
1566 if test "x$gcc_cv_as" = x; then
1567 # Search the same directories that the installed compiler will
1568 # search. Else we may find the wrong assembler and lose. If we
1569 # do not find a suitable assembler binary, then try the user's
1572 # Also note we have to check MD_EXEC_PREFIX before checking the
1573 # user's path. Unfortunately, there is no good way to get at the
1574 # value of MD_EXEC_PREFIX here. So we do a brute force search
1575 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1576 # to be fixed as part of the make/configure rewrite too.
1578 if test "x$exec_prefix" = xNONE; then
1579 if test "x$prefix" = xNONE; then
1580 test_prefix=/usr/local
1585 test_prefix=$exec_prefix
1588 # If the loop below does not find an assembler, then use whatever
1589 # one we can find in the users's path.
1591 if test "x$program_prefix" != xNONE; then
1592 gcc_cv_as=${program_prefix}as$host_exeext
1594 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1597 test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \
1598 $test_prefix/lib/gcc-lib/$target_noncanonical \
1599 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1600 /usr/lib/gcc/$target_noncanonical \
1601 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1602 $test_prefix/$target_noncanonical/bin"
1604 if test x$host = x$target; then
1605 test_dirs="$test_dirs \
1610 /bsd43/usr/lib/cmplrs/cc \
1611 /usr/cross64/usr/bin \
1612 /usr/lib/cmplrs/cc \
1613 /sysv/usr/lib/cmplrs/cc \
1614 /svr4/usr/lib/cmplrs/cc \
1618 for dir in $test_dirs; do
1619 if test -x $dir/as$host_exeext; then
1620 gcc_cv_as=$dir/as$host_exeext
1625 case $in_tree_gas in
1627 AC_MSG_RESULT("newly built gas")
1630 AC_MSG_RESULT($gcc_cv_as)
1634 # Identify the linker which will work hand-in-glove with the newly
1635 # built GCC, so that we can examine its features. This is the linker
1636 # which will be driven by the driver program.
1638 # If build != host, and we aren't building gas in-tree, we identify a
1639 # build->target linker and hope that it will have the same features
1640 # as the host->target linker we'll be using.
1641 AC_MSG_CHECKING(what linker to use)
1644 gcc_cv_gld_major_version=
1645 gcc_cv_gld_minor_version=
1646 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1647 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1648 if test -x "$DEFAULT_LINKER"; then
1649 gcc_cv_ld="$DEFAULT_LINKER"
1650 elif test -x "$LD"; then
1652 elif test -x collect-ld$host_exeext; then
1653 # Build using linker in the current directory.
1654 gcc_cv_ld=./collect-ld$host_exeext
1655 elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
1656 && test -f ../ld/Makefile; then
1657 # Single tree build which includes ld.
1659 in_tree_ld_is_elf=no
1660 if (grep 'EMUL = .*elf' ../ld/Makefile \
1661 || grep 'EMUL = .*linux' ../ld/Makefile) > /dev/null; then
1662 in_tree_ld_is_elf=yes
1664 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
1667 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1669 if test x$gcc_cv_gld_version != x; then
1674 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1675 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1677 rm -f collect-ld$host_exeext
1678 $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \
1682 if test "x$gcc_cv_ld" = x; then
1683 # Search the same directories that the installed compiler will
1684 # search. Else we may find the wrong linker and lose. If we
1685 # do not find a suitable linker binary, then try the user's
1688 # Also note we have to check MD_EXEC_PREFIX before checking the
1689 # user's path. Unfortunately, there is no good way to get at the
1690 # value of MD_EXEC_PREFIX here. So we do a brute force search
1691 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1692 # to be fixed as part of the make/configure rewrite too.
1694 if test "x$exec_prefix" = xNONE; then
1695 if test "x$prefix" = xNONE; then
1696 test_prefix=/usr/local
1701 test_prefix=$exec_prefix
1704 # If the loop below does not find an linker, then use whatever
1705 # one we can find in the users's path.
1707 if test "x$program_prefix" != xNONE; then
1708 gcc_cv_ld=${program_prefix}ld$host_exeext
1710 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1713 test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \
1714 $test_prefix/lib/gcc-lib/$target_noncanonical \
1715 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1716 /usr/lib/gcc/$target_noncanonical \
1717 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1718 $test_prefix/$target_noncanonical/bin"
1720 if test x$host = x$target; then
1721 test_dirs="$test_dirs \
1726 /bsd43/usr/lib/cmplrs/cc \
1727 /usr/cross64/usr/bin \
1728 /usr/lib/cmplrs/cc \
1729 /sysv/usr/lib/cmplrs/cc \
1730 /svr4/usr/lib/cmplrs/cc \
1734 for dir in $test_dirs; do
1735 if test -x $dir/ld$host_exeext; then
1736 gcc_cv_ld=$dir/ld$host_exeext
1743 AC_MSG_RESULT("newly built ld")
1746 AC_MSG_RESULT($gcc_cv_ld)
1750 # Figure out what nm we will be using.
1751 gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
1752 AC_MSG_CHECKING(what nm to use)
1754 if test -x nm$host_exeext; then
1755 gcc_cv_nm=./nm$host_exeext
1756 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1757 && test -f ../binutils/Makefile; then
1758 # Single tree build which includes binutils.
1760 gcc_cv_nm=./nm$host_exeext
1761 rm -f nm$host_exeext
1762 $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1763 elif test "x$program_prefix" != xNONE; then
1764 gcc_cv_nm=${program_prefix}nm$host_exeext
1766 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1769 yes) AC_MSG_RESULT("newly built nm") ;;
1770 no) AC_MSG_RESULT($gcc_cv_nm) ;;
1773 # Figure out what objdump we will be using.
1774 AC_MSG_CHECKING(what objdump to use)
1776 if test -x objdump$host_exeext; then
1777 gcc_cv_objdump=./objdump$host_exeext
1778 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1779 && test -f ../binutils/Makefile; then
1780 # Single tree build which includes binutils.
1782 gcc_cv_objdump=./objdump$host_exeext
1783 rm -f objdump$host_exeext
1784 $symbolic_link ../binutils/objdump$host_exeext \
1785 objdump$host_exeext 2>/dev/null
1786 elif test "x$program_prefix" != xNONE; then
1787 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1789 gcc_cv_objdump=`echo objdump | \
1790 sed ${program_transform_name}`$host_exeext
1792 case $in_tree_objdump in
1793 yes) AC_MSG_RESULT("newly built objdump") ;;
1794 no) AC_MSG_RESULT($gcc_cv_objdump) ;;
1797 # Figure out what assembler alignment features are present.
1798 gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align,
1802 [AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1,
1803 [Define if your assembler supports .balign and .p2align.])])
1805 gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align,
1808 [AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1,
1809 [Define if your assembler supports specifying the maximum number
1810 of bytes to skip when using the GAS .p2align command.])])
1812 gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1,
1814 [conftest_label1: .word 0
1816 conftest_label2: .word 0
1818 [if test x$gcc_cv_nm != x; then
1819 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1820 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1821 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1
1823 else gcc_cv_as_subsection_m1=yes
1825 rm -f conftest.nm1 conftest.nm2
1827 [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1828 [Define if your assembler supports .subsection and .subsection -1 starts
1829 emitting at the beginning of your section.])])
1831 gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak,
1834 [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])])
1836 # .hidden needs to be supported in both the assembler and the linker,
1837 # because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1838 # This is irritatingly difficult to feature test for; we have to check the
1839 # date string after the version number. If we've got an in-tree
1840 # ld, we don't know its patchlevel version, so we set the baseline at 2.13
1842 # The gcc_GAS_CHECK_FEATURE call just sets a cache variable.
1843 gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden,
1848 AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden,
1849 [if test $in_tree_ld = yes ; then
1851 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \
1852 && test $in_tree_ld_is_elf = yes; then
1853 gcc_cv_ld_hidden=yes
1856 gcc_cv_ld_hidden=yes
1857 ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
1858 if echo "$ld_ver" | grep GNU > /dev/null; then
1860 ld_vers=`echo $ld_ver | sed -n \
1861 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1862 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1863 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1864 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
1865 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
1866 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
1867 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1868 if test 0"$ld_date" -lt 20020404; then
1869 if test -n "$ld_date"; then
1870 # If there was date string, but was earlier than 2002-04-04, fail
1872 elif test -z "$ld_vers"; then
1873 # If there was no date string nor ld version number, something is wrong
1876 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1877 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1878 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1879 test -z "$ld_vers_patch" && ld_vers_patch=0
1880 if test "$ld_vers_major" -lt 2; then
1882 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1883 gcc_cv_ld_hidden="no"
1884 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then
1891 # non-GNU linkers don't seem to support .hidden yet
1895 libgcc_visibility=no
1896 AC_SUBST(libgcc_visibility)
1897 if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then
1898 libgcc_visibility=yes
1899 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1900 [Define if your assembler and linker support .hidden.])
1903 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1904 gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128,
1912 [# GAS versions before 2.11 do not support uleb128,
1913 # despite appearing to.
1914 # ??? There exists an elf-specific test that will crash
1915 # the assembler. Perhaps it's better to figure out whether
1916 # arbitrary sections are supported and try the test.
1917 as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q`
1918 if echo "$as_ver" | grep GNU > /dev/null; then
1920 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1921 as_major=`echo $as_ver | sed 's/\..*//'`
1922 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1924 if test $as_major -eq 2 && test $as_minor -lt 11
1926 else gcc_cv_as_leb128=yes
1929 [AC_DEFINE(HAVE_AS_LEB128, 1,
1930 [Define if your assembler supports .sleb128 and .uleb128.])])
1932 # GAS versions up to and including 2.11.0 may mis-optimize
1934 gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame,
1942 .section .eh_frame,"aw",@progbits
1944 .4byte .LECIE1-.LSCIE1
1958 .4byte .LEFDE1-.LASFDE1
1960 .4byte .LASFDE1-__FRAME_BEGIN__
1968 [ cat > conftest.lit <<EOF
1969 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1970 0010 01000000 12000000 18000000 00000000 ................
1971 0020 08000000 04080000 0044 .........D
1973 cat > conftest.big <<EOF
1974 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1975 0010 00000001 00000012 00000018 00000000 ................
1976 0020 00000008 04000000 0844 .........D
1978 # If the assembler didn't choke, and we can objdump,
1979 # and we got the correct data, then succeed.
1980 if test x$gcc_cv_objdump != x \
1981 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1982 | tail -3 > conftest.got \
1983 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1984 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1986 gcc_cv_as_eh_frame=yes
1987 elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then
1988 gcc_cv_as_eh_frame=buggy
1990 # Uh oh, what do we do now?
1991 gcc_cv_as_eh_frame=no
1994 if test $gcc_cv_as_eh_frame = buggy; then
1995 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1996 [Define if your assembler mis-optimizes .eh_frame data.])
1999 gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
2000 [elf,2,12,0], [--fatal-warnings],
2001 [.section .rodata.str, "aMS", @progbits, 1])
2002 AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE,
2003 [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`],
2004 [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
2006 # Thread-local storage - the check is heavily parametrized.
2015 .section ".tdata","awT",@progbits
2018 ldq $27,__tls_get_addr($29) !literal!1
2019 lda $16,foo($29) !tlsgd!1
2020 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
2021 ldq $27,__tls_get_addr($29) !literal!2
2022 lda $16,foo($29) !tlsldm!2
2023 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
2024 ldq $1,foo($29) !gotdtprel
2025 ldah $2,foo($29) !dtprelhi
2026 lda $3,foo($2) !dtprello
2027 lda $4,foo($29) !dtprel
2028 ldq $1,foo($29) !gottprel
2029 ldah $2,foo($29) !tprelhi
2030 lda $3,foo($2) !tprello
2031 lda $4,foo($29) !tprel'
2037 .section ".tdata","awT",@progbits
2041 leal foo@TLSGD(,%ebx,1), %eax
2042 leal foo@TLSLDM(%ebx), %eax
2043 leal foo@DTPOFF(%eax), %edx
2044 movl foo@GOTTPOFF(%ebx), %eax
2045 subl foo@GOTTPOFF(%ebx), %eax
2046 addl foo@GOTNTPOFF(%ebx), %eax
2047 movl foo@INDNTPOFF, %eax
2048 movl $foo@TPOFF, %eax
2049 subl $foo@TPOFF, %eax
2050 leal foo@NTPOFF(%ecx), %eax'
2056 .section ".tdata","awT",@progbits
2060 leaq foo@TLSGD(%rip), %rdi
2061 leaq foo@TLSLD(%rip), %rdi
2062 leaq foo@DTPOFF(%rax), %rdx
2063 movq foo@GOTTPOFF(%rip), %rax
2064 movq $foo@TPOFF, %rax'
2070 .section ".tdata","awT",@progbits
2073 addl r16 = @ltoff(@dtpmod(foo#)), gp
2074 addl r17 = @ltoff(@dtprel(foo#)), gp
2075 addl r18 = @ltoff(@tprel(foo#)), gp
2076 addl r19 = @dtprel(foo#), gp
2077 adds r21 = @dtprel(foo#), r13
2078 movl r23 = @dtprel(foo#)
2079 addl r20 = @tprel(foo#), gp
2080 adds r22 = @tprel(foo#), r13
2081 movl r24 = @tprel(foo#)'
2087 .section ".tdata","awT",@progbits
2095 addi 3,31,ld0@got@tlsgd
2097 addi 3,31,x1@got@tlsld
2100 addis 9,3,x2@dtprel@ha
2101 addi 9,9,x2@dtprel@l
2102 lwz 9,x3@got@tprel(31)
2105 addis 9,2,x2@tprel@ha
2106 addi 9,9,x2@tprel@l'
2113 .section ".tdata","awT",@progbits
2121 addi 3,2,ld0@got@tlsgd
2127 addi 3,2,x1@got@tlsld
2133 addis 9,3,x2@dtprel@ha
2134 addi 9,9,x2@dtprel@l
2137 ld 9,x3@got@dtprel(2)
2147 .section ".tdata","awT",@progbits
2156 l %r1,foo@GOTNTPOFF(%r12)
2157 l %r1,0(%r1):tls_load:foo
2158 bas %r14,0(%r1,%r13):tls_gdcall:foo
2159 bas %r14,0(%r1,%r13):tls_ldcall:foo'
2166 .section ".tdata","awT",@progbits
2174 lg %r1,foo@GOTNTPOFF(%r12)
2175 larl %r1,foo@INDNTPOFF
2176 brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
2177 brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
2180 tls_as_opt="-m64 -Aesame"
2182 sh-*-* | sh[34]-*-*)
2184 .section ".tdata","awT",@progbits
2197 .section ".tdata","awT",@progbits
2200 sethi %tgd_hi22(foo), %o0
2201 add %o0, %tgd_lo10(foo), %o1
2202 add %l7, %o1, %o0, %tgd_add(foo)
2203 call __tls_get_addr, %tgd_call(foo)
2204 sethi %tldm_hi22(foo), %l1
2205 add %l1, %tldm_lo10(foo), %l2
2206 add %l7, %l2, %o0, %tldm_add(foo)
2207 call __tls_get_addr, %tldm_call(foo)
2208 sethi %tldo_hix22(foo), %l3
2209 xor %l3, %tldo_lox10(foo), %l4
2210 add %o0, %l4, %l5, %tldo_add(foo)
2211 sethi %tie_hi22(foo), %o3
2212 add %o3, %tie_lo10(foo), %o3
2213 ld [%l7 + %o3], %o2, %tie_ld(foo)
2214 add %g7, %o2, %o4, %tie_add(foo)
2215 sethi %tle_hix22(foo), %l1
2216 xor %l1, %tle_lox10(foo), %o5
2217 ld [%g7 + %o5], %o1'
2224 if test -z "$tls_first_major"; then
2225 : # If we don't have a check, assume no support.
2227 gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls,
2228 [$tls_first_major,$tls_first_minor,0], [$tls_as_opt --fatal-warnings],
2230 [AC_DEFINE(HAVE_AS_TLS, 1,
2231 [Define if your assembler supports thread-local storage.])])
2234 # Target-specific assembler checks.
2237 # All TARGET_ABI_OSF targets.
2238 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
2239 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2240 gcc_cv_as_alpha_explicit_relocs, [2,12,0],,
2243 extbl $3, $2, $3 !lituse_bytoff!1
2244 ldq $2, a($29) !literal!1
2245 ldq $4, b($29) !literal!2
2246 ldq_u $3, 0($2) !lituse_base!1
2247 ldq $27, f($29) !literal!5
2248 jsr $26, ($27), f !lituse_jsr!5
2249 ldah $29, 0($26) !gpdisp!3
2250 lda $0, c($29) !gprel
2251 ldah $1, d($29) !gprelhigh
2252 lda $1, d($1) !gprellow
2253 lda $29, 0($29) !gpdisp!3],,
2254 [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2255 [Define if your assembler supports explicit relocations.])])
2259 gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,,
2260 [.register %g2, #scratch],,
2261 [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2262 [Define if your assembler supports .register.])])
2264 gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,,
2266 [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2267 [Define if your assembler supports -relax option.])])
2269 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs],
2270 gcc_cv_as_sparc_ua_pcrel,,
2278 .uaword %r_disp32(foo)],
2279 [if test x$gcc_cv_ld != x \
2280 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2281 gcc_cv_as_sparc_ua_pcrel=yes
2284 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2285 [Define if your assembler and linker support unaligned PC relative relocs.])
2287 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols],
2288 gcc_cv_as_sparc_ua_pcrel_hidden,,
2293 .uaword %r_disp32(foo)
2294 .byte 0x32, 0x33, 0x34
2299 [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
2300 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2301 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2302 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2303 if $gcc_cv_objdump -R conftest 2> /dev/null \
2304 | grep 'DISP32' > /dev/null 2>&1; then
2307 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2311 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2312 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])])
2313 ]) # unaligned pcrel relocs
2315 gcc_GAS_CHECK_FEATURE([offsetable %lo()],
2316 gcc_cv_as_sparc_offsetable_lo10,,
2319 or %g1, %lo(ab) + 12, %g1
2320 or %g1, %lo(ab + 12), %g1],
2321 [if test x$gcc_cv_objdump != x \
2322 && %gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
2323 | grep ' 82106000 82106000' > /dev/null 2>&1; then
2324 gcc_cv_as_offsetable_lo10=yes
2326 [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2327 [Define if your assembler supports offsetable %lo().])])
2331 i[34567]86-*-* | x86_64-*-*)
2333 gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
2334 gcc_cv_as_ix86_filds_fists,
2335 [2,9,0],, [filds mem; fists mem],,
2336 [AC_DEFINE(HAVE_GAS_FILDS_FISTS, 1,
2337 [Define if your assembler uses the new HImode fild and fist notation.])])
2339 gcc_GAS_CHECK_FEATURE([cmov syntax],
2340 gcc_cv_as_ix86_cmov_sun_syntax,,,
2341 [cmovl.l %edx, %eax],,
2342 [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1,
2343 [Define if your assembler supports the Sun syntax for cmov.])])
2345 # This one is used unconditionally by i386.[ch]; it is to be defined
2346 # to 1 if the feature is present, 0 otherwise.
2347 gcc_GAS_CHECK_FEATURE([GOTOFF in data],
2348 gcc_cv_as_ix86_gotoff_in_data, [2,11,0],,
2354 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2355 [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2356 [Define true if the assembler supports '.long foo@GOTOFF'.])
2360 gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs],
2361 gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],,
2363 addl r15 = @ltoffx(x#), gp
2365 ld8.mov r16 = [[r15]], x#],,
2366 [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
2367 [Define if your assembler supports ltoffx and ldxmov relocations.])])
2373 *-*-aix) conftest_s=' .csect .text[PR]';;
2374 *) conftest_s=' .text';;
2376 conftest_s="$conftest_s
2379 gcc_GAS_CHECK_FEATURE([mfcr field support],
2380 gcc_cv_as_powerpc_mfcrf, [2,14,0],,
2382 [AC_DEFINE(HAVE_AS_MFCRF, 1,
2383 [Define if your assembler supports mfcr field.])])
2387 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2388 gcc_cv_as_mips_explicit_relocs, [2,14,0],,
2389 [ lw $4,%gp_rel(foo)($4)],,
2390 [if test x$target_cpu_default = x
2391 then target_cpu_default=MASK_EXPLICIT_RELOCS
2392 else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
2397 # ??? Not all targets support dwarf2 debug_line, even within a version
2398 # of gas. Moreover, we need to emit a valid instruction to trigger any
2399 # info to the output file. So, as supported targets are added to gas 2.11,
2400 # add some instruction here to (also) show we expect this might work.
2401 # ??? Once 2.11 is released, probably need to add first known working
2402 # version to the per-target configury.
2404 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2405 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \
2406 | xstormy16*-*-* | cris-*-*)
2416 if test x"$insn" != x; then
2418 .file 1 \"conftest.s\"
2421 gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support],
2422 gcc_cv_as_dwarf2_debug_line,
2423 [elf,2,11,0],, [$conftest_s],
2424 [# ??? This fails with non-gnu grep. Maybe use objdump?
2425 if grep debug_line conftest.o > /dev/null 2>&1; then
2426 gcc_cv_as_dwarf2_debug_line=yes
2429 # The .debug_line file table must be in the exact order that
2430 # we specified the files, since these indices are also used
2431 # by DW_AT_decl_file. Approximate this test by testing if
2432 # the assembler bitches if the same index is assigned twice.
2433 gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive],
2434 gcc_cv_as_dwarf2_file_buggy,,,
2438 if test $gcc_cv_as_dwarf2_debug_line = yes \
2439 && test $gcc_cv_as_dwarf2_file_buggy = no; then
2440 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2441 [Define if your assembler supports dwarf2 .file/.loc directives,
2442 and preserves file table indices exactly as given.])
2445 gcc_GAS_CHECK_FEATURE([--gdwarf2 option],
2446 gcc_cv_as_gdwarf2_flag,
2447 [elf,2,11,0], [--gdwarf2], [$insn],,
2448 [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2449 [Define if your assembler supports the --gdwarf2 option.])])
2451 gcc_GAS_CHECK_FEATURE([--gstabs option],
2452 gcc_cv_as_gstabs_flag,
2453 [elf,2,11,0], [--gstabs], [$insn],
2454 [# The native Solaris 9/Intel assembler doesn't understand --gstabs
2455 # and warns about it, but still exits successfully. So check for
2457 if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null])
2459 else gcc_cv_as_gstabs_flag=yes
2461 [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2462 [Define if your assembler supports the --gstabs option.])])
2465 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2466 gcc_cv_ld_ro_rw_mix=unknown
2467 if test $in_tree_ld = yes ; then
2468 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \
2469 && test $in_tree_ld_is_elf = yes; then
2470 gcc_cv_ld_ro_rw_mix=read-write
2472 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2473 echo '.section myfoosect, "a"' > conftest1.s
2474 echo '.section myfoosect, "aw"' > conftest2.s
2475 echo '.byte 1' >> conftest2.s
2476 echo '.section myfoosect, "a"' > conftest3.s
2477 echo '.byte 0' >> conftest3.s
2478 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2479 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2480 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2481 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2482 conftest2.o conftest3.o > /dev/null 2>&1; then
2483 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2484 | sed -e '/myfoosect/!d' -e N`
2485 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2486 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2487 gcc_cv_ld_ro_rw_mix=read-only
2489 gcc_cv_ld_ro_rw_mix=read-write
2494 rm -f conftest.* conftest[123].*
2497 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2498 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2499 [Define if your linker links a mix of read-only
2500 and read-write sections into a read-write section.])
2502 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2504 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2505 gcc_cv_ld_eh_frame_hdr=no
2506 if test $in_tree_ld = yes ; then
2507 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \
2508 && test $in_tree_ld_is_elf = yes; then
2509 gcc_cv_ld_eh_frame_hdr=yes
2511 elif test x$gcc_cv_ld != x; then
2512 # Check if linker supports --eh-frame-hdr option
2513 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2514 gcc_cv_ld_eh_frame_hdr=yes
2517 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2518 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2519 [Define if your linker supports --eh-frame-hdr option.])
2521 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2523 AC_MSG_CHECKING(linker position independent executable support)
2525 if test $in_tree_ld = yes ; then
2526 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \
2527 && test $in_tree_ld_is_elf = yes; then
2530 elif test x$gcc_cv_ld != x; then
2531 # Check if linker supports -pie option
2532 if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
2536 if test x"$gcc_cv_ld_pie" = xyes; then
2537 AC_DEFINE(HAVE_LD_PIE, 1,
2538 [Define if your linker supports -pie option.])
2540 AC_MSG_RESULT($gcc_cv_ld_pie)
2542 # Miscellaneous target-specific checks.
2545 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2546 gcc_cv_mips_libgloss_startup=no
2547 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2548 if test "x$exec_prefix" = xNONE; then
2549 if test "x$prefix" = xNONE; then
2550 test_prefix=/usr/local
2555 test_prefix=$exec_prefix
2557 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_noncanonical/lib/idt.ld
2559 if grep '^STARTUP' $f > /dev/null 2>&1; then
2560 gcc_cv_mips_libgloss_startup=yes
2564 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2565 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2566 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2568 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2572 if test x$with_sysroot = x && test x$host = x$target \
2573 && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2574 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
2575 [Define to PREFIX/include if cpp should also search that directory.])
2578 # Figure out what language subdirectories are present.
2579 # Look if the user specified --enable-languages="..."; if not, use
2580 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2582 # NB: embedded tabs in this IF block -- do not untabify
2583 if test x"${enable_languages+set}" != xset; then
2584 if test x"${LANGUAGES+set}" = xset; then
2585 enable_languages="${LANGUAGES}"
2586 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2589 enable_languages=all
2592 if test x"${enable_languages}" = x \
2593 || test x"${enable_languages}" = xyes;
2595 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2598 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2600 # First scan to see if an enabled language requires some other language.
2601 # We assume that a given config-lang.in will list all the language
2602 # front ends it requires, even if some are required indirectly.
2603 for lang in ${srcdir}/*/config-lang.in
2606 # The odd quoting in the next line works around
2607 # an apparent bug in bash 1.12 on linux.
2609 ${srcdir}/[*]/config-lang.in)
2612 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2613 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2614 for other in $this_lang_requires
2616 case ,${enable_languages}, in
2622 enable_languages="$enable_languages,$other"
2631 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2634 for lang in ${srcdir}/*/config-lang.in
2637 # The odd quoting in the next line works around
2638 # an apparent bug in bash 1.12 on linux.
2640 ${srcdir}/[*]/config-lang.in) ;;
2642 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2643 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2644 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2645 if test "x$lang_alias" = x
2647 echo "$lang doesn't set \$language." 1>&2
2650 case ${build_by_default},${enable_languages}, in
2651 *,$lang_alias,*) add_this_lang=yes ;;
2652 no,*) add_this_lang=no ;;
2653 *,all,*) add_this_lang=yes ;;
2654 *) add_this_lang=no ;;
2656 found_languages="${found_languages} ${lang_alias}"
2657 if test x"${add_this_lang}" = xyes; then
2659 ${srcdir}/ada/config-lang.in)
2660 if test x$have_gnat = xyes ; then
2661 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2665 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2675 for expected_language in ${expected_languages} ..
2677 if test "${expected_language}" != ..; then
2678 missing_language="${expected_language}"
2679 if test "${expected_language}" = "c" \
2680 || test "${expected_language}" = "all"; then
2683 for found_language in ${found_languages} ..
2685 if test "${found_language}" != ..; then
2686 if test "${expected_language}" = "${found_language}"; then
2691 if test "x${missing_language}" != x; then
2692 missing_languages="${missing_languages} ${missing_language}"
2697 if test "x$missing_languages" != x; then
2699 The following requested languages were not found:${missing_languages}
2700 The following languages were available: c${found_languages}])
2703 # Make gthr-default.h if we have a thread file.
2705 if test $thread_file != single; then
2706 rm -f gthr-default.h
2707 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2708 gthread_flags=-DHAVE_GTHR_DEFAULT
2710 AC_SUBST(gthread_flags)
2712 # Find out what GC implementation we want, or may, use.
2714 [ --with-gc={simple,page,zone} choose the garbage collection mechanism to use
2717 simple | page | zone)
2721 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2726 echo "Using $GGC for garbage collection."
2728 # Use the system's zlib library.
2730 zlibinc="-I\$(srcdir)/../zlib"
2731 AC_ARG_WITH(system-zlib,
2732 [ --with-system-zlib use installed libz],
2739 dnl Very limited version of automake's enable-maintainer-mode
2741 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2742 dnl maintainer-mode is disabled by default
2743 AC_ARG_ENABLE(maintainer-mode,
2744 [ --enable-maintainer-mode
2745 enable make rules and dependencies not useful
2746 (and sometimes confusing) to the casual installer],
2747 maintainer_mode=$enableval,
2750 AC_MSG_RESULT($maintainer_mode)
2752 if test "$maintainer_mode" = "yes"; then
2759 # Make empty files to contain the specs and options for each language.
2760 # Then add #include lines to for a compiler that has specs and/or options.
2765 for subdir in . $subdirs
2767 if test -f $srcdir/$subdir/lang.opt; then
2768 lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
2770 if test -f $srcdir/$subdir/lang-specs.h; then
2771 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2773 if test -f $srcdir/$subdir/$subdir-tree.def; then
2774 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2778 # These (without "all_") are set in each config-lang.in.
2779 # `language' must be a single word so is spelled singularly.
2784 all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2785 # List of language makefile fragments.
2787 # List of language subdirectory makefiles. Deprecated.
2789 # Files for gengtype
2790 all_gtfiles="$target_gtfiles"
2791 # Files for gengtype with language
2792 all_gtfiles_files_langs=
2793 all_gtfiles_files_files=
2795 # Add the language fragments.
2796 # Languages are added via two mechanisms. Some information must be
2797 # recorded in makefile variables, these are defined in config-lang.in.
2798 # We accumulate them and plug them into the main Makefile.
2799 # The other mechanism is a set of hooks for each of the main targets
2800 # like `clean', `install', etc.
2802 language_hooks="Make-hooks"
2812 . ${srcdir}/$s/config-lang.in
2813 if test "x$language" = x
2815 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2818 all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$s/Make-lang.in"
2819 if test -f ${srcdir}/$s/Makefile.in
2820 then all_lang_makefiles="$s/Makefile"
2822 all_languages="$all_languages $language"
2823 if test "x$boot_language" = xyes
2825 all_boot_languages="$all_boot_languages $language"
2827 all_compilers="$all_compilers $compilers"
2828 all_stagestuff="$all_stagestuff $stagestuff"
2829 all_outputs="$all_outputs $outputs"
2830 all_gtfiles="$all_gtfiles $gtfiles"
2833 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2834 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2838 # Pick up gtfiles for c
2841 . ${srcdir}/c-config-lang.in
2842 all_gtfiles="$all_gtfiles $gtfiles"
2845 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2846 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2850 for language in $all_languages
2852 check_languages="$check_languages check-$language"
2855 # We link each language in with a set of hooks, reached indirectly via
2860 target_list="all.build all.cross start.encap rest.encap tags \
2861 install-normal install-common install-man \
2863 mostlyclean clean distclean extraclean maintainer-clean \
2864 stage1 stage2 stage3 stage4 stageprofile stagefeedback"
2865 for t in $target_list
2868 for lang in $all_languages
2872 echo "lang.$t: $x" >> Make-hooks
2877 echo "dir ." > .gdbinit
2878 echo "dir ${srcdir}" >> .gdbinit
2879 if test x$gdb_needs_out_file_path = xyes
2881 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2883 if test "x$subdirs" != x; then
2886 echo "dir ${srcdir}/$s" >> .gdbinit
2889 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2891 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2892 # absolute path for gcc_tooldir based on inserting the number of up-directory
2893 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2894 # $(libsubdir)/@(unlibsubdir) based path.
2895 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2896 # make and thus we'd get different behavior depending on where we built the
2898 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2899 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_noncanonical)'
2901 changequote(<<, >>)dnl
2902 # An explanation of the sed strings:
2903 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2904 # -e 's|/$||' match a trailing forward slash and eliminates it
2905 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2906 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2908 # (*) Note this pattern overwrites the first character of the string
2909 # with a forward slash if one is not already present. This is not a
2910 # problem because the exact names of the sub-directories concerned is
2911 # unimportant, just the number of them matters.
2913 # The practical upshot of these patterns is like this:
2915 # prefix exec_prefix result
2916 # ------ ----------- ------
2918 # /foo/ /foo/bar ../
2919 # /foo /foo/bar/ ../
2920 # /foo/ /foo/bar/ ../
2921 # /foo /foo/bar/ugg ../../
2924 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_noncanonical)"
2925 changequote([, ])dnl
2927 AC_SUBST(gcc_tooldir)
2930 # Find a directory in which to install a shared libgcc.
2932 AC_ARG_ENABLE(version-specific-runtime-libs,
2933 [ --enable-version-specific-runtime-libs
2934 specify that runtime libraries should be
2935 installed in a compiler-specific directory])
2937 AC_ARG_WITH(slibdir,
2938 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2939 slibdir="$with_slibdir",
2940 if test "${enable_version_specific_runtime_libs+set}" = set; then
2941 slibdir='$(libsubdir)'
2942 elif test "$host" != "$target"; then
2943 slibdir='$(build_tooldir)/lib'
2949 objdir=`${PWDCMD-pwd}`
2952 # Substitute configuration variables
2957 AC_SUBST(all_boot_languages)
2958 AC_SUBST(all_compilers)
2959 AC_SUBST(all_gtfiles)
2960 AC_SUBST(all_gtfiles_files_langs)
2961 AC_SUBST(all_gtfiles_files_files)
2962 AC_SUBST(all_lang_makefrags)
2963 AC_SUBST(all_lang_makefiles)
2964 AC_SUBST(all_languages)
2965 AC_SUBST(all_stagestuff)
2966 AC_SUBST(build_exeext)
2967 AC_SUBST(build_install_headers_dir)
2968 AC_SUBST(build_xm_file_list)
2969 AC_SUBST(build_xm_include_list)
2970 AC_SUBST(build_xm_defines)
2971 AC_SUBST(check_languages)
2972 AC_SUBST(cc_set_by_configure)
2973 AC_SUBST(quoted_cc_set_by_configure)
2974 AC_SUBST(cpp_install_dir)
2975 AC_SUBST(xmake_file)
2976 AC_SUBST(tmake_file)
2977 AC_SUBST(extra_headers_list)
2978 AC_SUBST(extra_objs)
2979 AC_SUBST(extra_parts)
2980 AC_SUBST(extra_passes)
2981 AC_SUBST(extra_programs)
2982 AC_SUBST(float_h_file)
2983 AC_SUBST(gcc_config_arguments)
2984 AC_SUBST(gcc_gxx_include_dir)
2985 AC_SUBST(libstdcxx_incdir)
2986 AC_SUBST(gcc_version)
2987 AC_SUBST(gcc_version_full)
2988 AC_SUBST(gcc_version_trigger)
2989 AC_SUBST(host_exeext)
2990 AC_SUBST(host_extra_gcc_objs)
2991 AC_SUBST(host_xm_file_list)
2992 AC_SUBST(host_xm_include_list)
2993 AC_SUBST(host_xm_defines)
2994 AC_SUBST(out_host_hook_obj)
2996 AC_SUBST(lang_opt_files)
2997 AC_SUBST(lang_specs_files)
2998 AC_SUBST(lang_tree_files)
2999 AC_SUBST(local_prefix)
3001 AC_SUBST(objc_boehm_gc)
3003 AC_SUBST(out_object_file)
3004 AC_SUBST(stage_prefix_set_by_configure)
3005 AC_SUBST(quoted_stage_prefix_set_by_configure)
3006 AC_SUBST(symbolic_link)
3007 AC_SUBST(thread_file)
3008 AC_SUBST(tm_file_list)
3009 AC_SUBST(tm_include_list)
3010 AC_SUBST(tm_defines)
3011 AC_SUBST(tm_p_file_list)
3012 AC_SUBST(tm_p_include_list)
3013 AC_SUBST(xm_file_list)
3014 AC_SUBST(xm_include_list)
3015 AC_SUBST(xm_defines)
3016 AC_SUBST(target_noncanonical)
3017 AC_SUBST(c_target_objs)
3018 AC_SUBST(cxx_target_objs)
3019 AC_SUBST(target_cpu_default)
3021 AC_SUBST_FILE(language_hooks)
3024 if test x${build} = x${host} ; then
3025 if test x${host} = x${target} ; then
3026 echo "Links are now set up to build a native compiler for ${target}." 1>&2
3028 echo "Links are now set up to build a cross-compiler" 1>&2
3029 echo " from ${host} to ${target}." 1>&2
3032 if test x${host} = x${target} ; then
3033 echo "Links are now set up to build (on ${build}) a native compiler" 1>&2
3034 echo " for ${target}." 1>&2
3036 echo "Links are now set up to build (on ${build}) a cross-compiler" 1>&2
3037 echo " from ${host} to ${target}." 1>&2
3041 # Configure the subdirectories
3042 # AC_CONFIG_SUBDIRS($subdirs)
3044 # Create the Makefile
3045 # and configure language subdirectories
3046 AC_OUTPUT($all_outputs,
3048 case x$CONFIG_HEADERS in
3049 xauto-host.h:config.in)
3052 # Make sure all the subdirs exist.
3055 test -d $d || mkdir $d
3057 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
3058 # bootstrapping and the installation procedure can still use
3059 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
3060 # FLAGS_TO_PASS has been modified to solve the problem there.
3061 # This is virtually a duplicate of what happens in configure.lang; we do
3062 # an extra check to make sure this only happens if ln -s can be used.
3063 if test "$symbolic_link" = "ln -s"; then
3064 for d in ${subdirs} fixinc ; do
3065 STARTDIR=`${PWDCMD-pwd}`
3067 for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include
3070 $symbolic_link ../$t $t 2>/dev/null
3077 symbolic_link='$symbolic_link'
projects / gcc.git / blob