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 target- and build-specific subdirectories
38 # Set program_transform_name
41 # Check for bogus environment variables.
42 # Test if LIBRARY_PATH contains the notation for the current directory
43 # since this would lead to problems installing/building glibc.
44 # LIBRARY_PATH contains the current directory if one of the following
46 # - one of the terminals (":" and ";") is the first or last sign
47 # - two terminals occur directly after each other
48 # - the path contains an element with a dot in it
49 AC_MSG_CHECKING(LIBRARY_PATH variable)
51 case ${LIBRARY_PATH} in
52 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
53 library_path_setting="contains current directory"
56 library_path_setting="ok"
60 AC_MSG_RESULT($library_path_setting)
61 if test "$library_path_setting" != "ok"; then
63 *** LIBRARY_PATH shouldn't contain the current directory when
64 *** building gcc. Please change the environment variable
65 *** and run configure again.])
68 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
69 # since this would lead to problems installing/building glibc.
70 # GCC_EXEC_PREFIX contains the current directory if one of the following
72 # - one of the terminals (":" and ";") is the first or last sign
73 # - two terminals occur directly after each other
74 # - the path contains an element with a dot in it
75 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
77 case ${GCC_EXEC_PREFIX} in
78 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
79 gcc_exec_prefix_setting="contains current directory"
82 gcc_exec_prefix_setting="ok"
86 AC_MSG_RESULT($gcc_exec_prefix_setting)
87 if test "$gcc_exec_prefix_setting" != "ok"; then
89 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
90 *** building gcc. Please change the environment variable
91 *** and run configure again.])
98 # Specify the local prefix
100 AC_ARG_WITH(local-prefix,
101 [ --with-local-prefix=DIR specifies directory to put local include],
102 [case "${withval}" in
103 yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
105 *) local_prefix=$with_local_prefix ;;
108 # Default local prefix if it is empty
109 if test x$local_prefix = x; then
110 local_prefix=/usr/local
113 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
114 # passed in by the toplevel make and thus we'd get different behavior
115 # depending on where we built the sources.
117 # Specify the g++ header file directory
118 AC_ARG_WITH(gxx-include-dir,
119 [ --with-gxx-include-dir=DIR
120 specifies directory to put g++ header files],
121 [case "${withval}" in
122 yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
124 *) gcc_gxx_include_dir=$with_gxx_include_dir ;;
127 if test x${gcc_gxx_include_dir} = x; then
128 if test x${enable_version_specific_runtime_libs} = xyes; then
129 gcc_gxx_include_dir='${libsubdir}/include/c++'
131 topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
132 changequote(<<, >>)dnl
133 gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
138 AC_ARG_WITH(cpp_install_dir,
139 [ --with-cpp-install-dir=DIR
140 install the user visible C preprocessor in DIR
141 (relative to PREFIX) as well as PREFIX/bin],
142 [if test x$withval = xyes; then
143 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
144 elif test x$withval != xno; then
145 cpp_install_dir=$withval
148 # -------------------
149 # Find default linker
150 # -------------------
154 [ --with-gnu-ld arrange to work with GNU ld.],
155 gnu_ld_flag="$with_gnu_ld",
158 # With pre-defined ld
160 [ --with-ld arrange to use the specified ld (full pathname)],
161 DEFAULT_LINKER="$with_ld")
162 if test x"${DEFAULT_LINKER+set}" = x"set"; then
163 if test ! -x "$DEFAULT_LINKER"; then
164 AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
165 elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
168 AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
169 [Define to enable the use of a default linker.])
172 AC_MSG_CHECKING([whether a default linker was specified])
173 if test x"${DEFAULT_LINKER+set}" = x"set"; then
174 if test x"$gnu_ld_flag" = x"no"; then
175 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
177 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
183 # ----------------------
184 # Find default assembler
185 # ----------------------
189 [ --with-gnu-as arrange to work with GNU as],
190 gas_flag="$with_gnu_as",
194 [ --with-as arrange to use the specified as (full pathname)],
195 DEFAULT_ASSEMBLER="$with_as")
196 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
197 if test ! -x "$DEFAULT_ASSEMBLER"; then
198 AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
199 elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
202 AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
203 [Define to enable the use of a default assembler.])
206 AC_MSG_CHECKING([whether a default assembler was specified])
207 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
208 if test x"$gas_flag" = x"no"; then
209 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
211 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
221 # Find the native compiler
224 # autoconf is lame and doesn't give us any substitution variable for this.
225 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
226 NO_MINUS_C_MINUS_O=yes
228 OUTPUT_OPTION='-o $@'
230 AC_SUBST(NO_MINUS_C_MINUS_O)
231 AC_SUBST(OUTPUT_OPTION)
233 # -------------------------
234 # Check C compiler features
235 # -------------------------
237 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
238 ac_cv_prog_cc_no_long_long,
239 [save_CFLAGS="$CFLAGS"
240 CFLAGS="-Wno-long-long"
241 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
242 ac_cv_prog_cc_no_long_long=no)
243 CFLAGS="$save_CFLAGS"])
251 # sizeof(char) is 1 by definition.
252 AC_COMPILE_CHECK_SIZEOF(void *)
253 AC_COMPILE_CHECK_SIZEOF(short)
254 AC_COMPILE_CHECK_SIZEOF(int)
255 AC_COMPILE_CHECK_SIZEOF(long)
256 if test $ac_cv_c_long_long = yes; then
257 AC_COMPILE_CHECK_SIZEOF(long long)
259 if test $ac_cv_c___int64 = yes; then
260 AC_COMPILE_CHECK_SIZEOF(__int64)
267 # See if GNAT has been installed
270 if test x$have_gnat != xno ; then
271 AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
272 ac_cv_prog_adac_no_long_long,
273 [cat >conftest.adb <<EOF
274 procedure conftest is begin null; end conftest;
276 if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
277 ac_cv_prog_adac_no_long_long=yes
279 ac_cv_prog_adac_no_long_long=no
283 ac_cv_prog_adac_no_long_long=yes
286 # ---------------------
287 # Warnings and checking
288 # ---------------------
291 if test $ac_cv_prog_cc_no_long_long = yes && \
292 test $ac_cv_prog_adac_no_long_long = yes ; then
293 strict1_warn="-pedantic -Wno-long-long"
295 AC_SUBST(strict1_warn)
297 # If the native compiler is GCC, we can enable warnings even in stage1.
298 # That's useful for people building cross-compilers, or just running a
301 if test "x$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$ac_checking_valgrind != x ; then
401 # It is certainly possible that there's valgrind but no valgrind.h.
402 # GCC relies on making annotations so we must have both.
403 AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
405 [#include <memcheck.h>
406 #ifndef VALGRIND_DISCARD
407 #error VALGRIND_DISCARD not defined
409 [gcc_cv_header_memcheck_h=yes],
410 gcc_cv_header_memcheck_h=no)
411 AC_MSG_RESULT($gcc_cv_header_memcheck_h)
412 AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
413 AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
414 [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
415 if test "x$valgrind_path" = "x" || (test $have_valgrind_h = no && test $gcc_cv_header_memcheck_h = no); then
416 AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h/memcheck.h])
418 valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
419 valgrind_command="$valgrind_path -q"
420 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
421 [Define if you want to run subprograms and generated programs
422 through valgrind (a memory checker). This is extremely expensive.])
423 if test $gcc_cv_header_memcheck_h = yes; then
424 AC_DEFINE(HAVE_MEMCHECK_H, 1,
425 [Define if valgrind's memcheck.h header is installed.])
428 AC_SUBST(valgrind_path_defines)
429 AC_SUBST(valgrind_command)
431 # Enable code coverage collection
432 AC_ARG_ENABLE(coverage,
433 [ --enable-coverage[=LEVEL]
434 enable compiler\'s code coverage collection.
435 Use to measure compiler performance and locate
436 unused parts of the compiler. With LEVEL, specify
437 optimization. Values are opt, noopt,
439 [case "${enableval}" in
441 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0"
444 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2"
447 AC_MSG_ERROR(unknown coverage setting $enableval)
451 AC_SUBST(coverage_flags)
453 # -------------------------------
454 # Miscenalleous configure options
455 # -------------------------------
459 [ --with-stabs arrange to use stabs instead of host debug format],
465 [ --with-elf arrange to use ELF instead of host debug format],
469 # Determine whether or not multilibs are enabled.
470 AC_ARG_ENABLE(multilib,
471 [ --enable-multilib enable library support for multiple ABIs],
472 [], [enable_multilib=yes])
473 AC_SUBST(enable_multilib)
475 # Enable __cxa_atexit for C++.
476 AC_ARG_ENABLE(__cxa_atexit,
477 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
481 # Pass with no value to take the default
482 # Pass with a value to specify a thread package
483 AC_ARG_ENABLE(threads,
484 [ --enable-threads enable thread usage for target GCC
485 --enable-threads=LIB use LIB thread package for target GCC],,
488 enable_threads_flag=$enable_threads
489 # Check if a valid thread package
490 case x${enable_threads_flag} in
493 target_thread_file='single'
497 target_thread_file=''
499 xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
500 xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix | xgnat)
501 target_thread_file=$enable_threads_flag
504 echo "$enable_threads is an unknown thread package" 1>&2
509 AC_ARG_ENABLE(objc-gc,
510 [ --enable-objc-gc enable the use of Boehm's garbage collector with
511 the GNU Objective-C runtime],
512 if test x$enable_objc_gc = xno; then
520 [ --with-dwarf2 force the default debug format to be DWARF 2],
521 dwarf2="$with_dwarf2",
524 AC_ARG_ENABLE(shared,
525 [ --disable-shared don't provide a shared libgcc],
527 case $enable_shared in
531 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
532 for pkg in $enableval; do
533 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
540 ], [enable_shared=yes])
541 AC_SUBST(enable_shared)
544 [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
546 case ${with_sysroot} in
547 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
548 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
551 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
552 CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
554 if test "x$exec_prefix" = xNONE; then
555 if test "x$prefix" = xNONE; then
556 test_prefix=/usr/local
561 test_prefix=$exec_prefix
563 case ${TARGET_SYSTEM_ROOT} in
564 "${test_prefix}"|"${test_prefix}/"*|\
565 '${exec_prefix}'|'${exec_prefix}/'*)
566 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
567 TARGET_SYSTEM_ROOT_DEFINE="$t"
572 TARGET_SYSTEM_ROOT_DEFINE=
573 CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include'
575 AC_SUBST(TARGET_SYSTEM_ROOT)
576 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
577 AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
579 # Build with intermodule optimisations
580 AC_ARG_ENABLE(intermodule,
581 [ --enable-intermodule build the compiler in one step],
582 [case ${enable_intermodule} in
583 yes) onestep="-onestep";;
589 # -------------------------
590 # Checks for other programs
591 # -------------------------
595 # Find some useful tools
602 # See if cmp has --ignore-initial.
603 gcc_AC_PROG_CMP_IGNORE_INITIAL
605 # See if we have the mktemp command.
606 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
608 # Do we have a single-tree copy of texinfo?
609 if test -f $srcdir/../texinfo/Makefile.in; then
610 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
611 gcc_cv_prog_makeinfo_modern=yes
612 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
614 # See if makeinfo has been installed and is modern enough
615 # that we can use it.
616 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
617 [GNU texinfo.* \([0-9][0-9.]*\)],
621 if test $gcc_cv_prog_makeinfo_modern = no; then
623 *** Makeinfo is missing or too old.
624 *** Info documentation will not be built.])
627 BUILD_INFO=info AC_SUBST(BUILD_INFO)
630 # Is pod2man recent enough to regenerate manpages?
631 AC_MSG_CHECKING([for recent Pod::Man])
632 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
634 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
641 dnl Don't use AC_PROG_LEX; we insist on flex.
642 dnl LEXLIB is not useful in gcc.
643 if test -f $srcdir/../flex/skel.c; then
644 FLEX='$(objdir)/../flex/flex'
646 AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
650 # The -L switch is so bison can find its skeleton file.
651 if test -f $srcdir/../bison/bison.simple; then
652 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
654 AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
657 # --------------------
658 # Checks for C headers
659 # --------------------
661 AC_MSG_CHECKING(for GNU C library)
662 AC_CACHE_VAL(gcc_cv_glibc,
664 [#include <features.h>],[
665 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
666 #error Not a GNU C library system
670 AC_MSG_RESULT($gcc_cv_glibc)
671 if test $gcc_cv_glibc = yes; then
672 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
677 gcc_AC_HEADER_STDBOOL
680 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
681 fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \
682 sys/resource.h sys/param.h sys/times.h sys/stat.h \
683 direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h)
685 # Check for thread headers.
686 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
687 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
689 # These tests can't be done till we know if we have limits.h.
697 # Stage specific cflags for build.
703 stage1_cflags="-Wa,-J"
709 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
710 # sources; use -no-cpp-precomp to get to GNU cpp.
711 # Apple's GCC has bugs in designated initializer handling, so disable
713 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
716 AC_SUBST(stage1_cflags)
718 # These libraries may be used by collect2.
719 # We may need a special search path to get them linked.
720 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
722 for libs in '' -lld -lmld \
723 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
724 '-L/usr/lib/cmplrs/cc3.11 -lmld'
727 AC_TRY_LINK_FUNC(ldopen,
728 [gcc_cv_collect2_libs="$libs"; break])
731 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
732 case $gcc_cv_collect2_libs in
734 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
736 AC_SUBST(COLLECT2_LIBS)
738 # When building Ada code on Alpha, we need exc_resume which is usually in
739 # -lexc. So test for it.
742 AC_SEARCH_LIBS(exc_resume, exc)
745 AC_SUBST(GNAT_LIBEXC)
747 # Some systems put ldexp and frexp in libm instead of libc; assume
748 # they're both in the same place. jcf-dump needs them.
751 AC_SEARCH_LIBS(ldexp, m)
756 # Use <inttypes.h> only if it exists,
757 # doesn't clash with <sys/types.h>, and declares intmax_t.
758 AC_MSG_CHECKING(for inttypes.h)
759 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
761 [#include <sys/types.h>
762 #include <inttypes.h>],
764 [gcc_cv_header_inttypes_h=yes],
765 gcc_cv_header_inttypes_h=no)])
766 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
767 if test $gcc_cv_header_inttypes_h = yes; then
768 AC_DEFINE(HAVE_INTTYPES_H, 1,
769 [Define if you have a working <inttypes.h> header file.])
772 dnl Disabled until we have a complete test for buggy enum bitfields.
773 dnl gcc_AC_C_ENUM_BF_UNSIGNED
775 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
776 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
777 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \
778 scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore \
781 if test x$ac_cv_func_mbstowcs = xyes; then
782 AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
783 [ AC_TRY_RUN([#include <stdlib.h>
789 gcc_cv_func_mbstowcs_works=yes,
790 gcc_cv_func_mbstowcs_works=no,
791 gcc_cv_func_mbstowcs_works=yes)])
792 if test x$gcc_cv_func_mbstowcs_works = xyes; then
793 AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1,
794 [Define this macro if mbstowcs does not crash when its
795 first argument is NULL.])
799 gcc_AC_CHECK_TYPE(ssize_t, int)
801 # Try to determine the array type of the second argument of getgroups
802 # for the target system (int or gid_t).
804 if test "${target}" = "${build}"; then
805 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
808 # This condition may need some tweaking. It should include all
809 # targets where the array type of the second argument of getgroups
810 # is int and the type of gid_t is not equivalent to int.
811 *-*-sunos* | *-*-ultrix*)
812 TARGET_GETGROUPS_T=int
815 TARGET_GETGROUPS_T=gid_t
819 AC_SUBST(TARGET_GETGROUPS_T)
821 gcc_AC_FUNC_PRINTF_PTR
822 gcc_AC_FUNC_MMAP_BLACKLIST
827 *** UWIN may not be used as a host platform because
828 *** linking with posix.dll is not allowed by the GNU GPL])
831 # Under VMS, vfork works very different than on Unix. The standard test
832 # won't work, and it isn't easily adaptable. It makes more sense to
834 ac_cv_func_vfork_works=yes
840 # Until we have in-tree GNU iconv:
842 AC_SUBST(LIBICONV_DEP)
846 # We will need to find libiberty.h and ansidecl.h
847 saved_CFLAGS="$CFLAGS"
848 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
849 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
850 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
851 fprintf_unlocked strstr errno vasprintf \
852 malloc realloc calloc free basename getopt clock, , ,[
853 #include "ansidecl.h"
854 #include "system.h"])
856 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
857 #include "ansidecl.h"
859 #ifdef HAVE_SYS_RESOURCE_H
860 #include <sys/resource.h>
865 #include "ansidecl.h"
867 #ifdef HAVE_SYS_RESOURCE_H
868 #include <sys/resource.h>
870 ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long],
871 [Define to \`long' if <sys/resource.h> doesn't define.])])
873 gcc_AC_CHECK_DECLS(ldgetname, , ,[
874 #include "ansidecl.h"
881 gcc_AC_CHECK_DECLS(times, , ,[
882 #include "ansidecl.h"
884 #ifdef HAVE_SYS_TIMES_H
885 #include <sys/times.h>
889 # More time-related stuff.
890 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
892 #include "ansidecl.h"
894 #ifdef HAVE_SYS_TIMES_H
895 #include <sys/times.h>
897 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
898 if test $ac_cv_struct_tms = yes; then
899 AC_DEFINE(HAVE_STRUCT_TMS, 1,
900 [Define if <sys/times.h> defines struct tms.])
903 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
904 # revisit after autoconf 2.50.
905 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
907 #include "ansidecl.h"
909 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
910 if test $gcc_cv_type_clock_t = yes; then
911 AC_DEFINE(HAVE_CLOCK_T, 1,
912 [Define if <time.h> defines clock_t.])
915 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
917 #include "ansidecl.h"
920 [if ((uchar *)0) return 0;
921 if (sizeof(uchar)) return 0;],
922 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
923 if test $ac_cv_type_uchar = yes; then
924 AC_DEFINE(HAVE_UCHAR, 1,
925 [Define if <sys/types.h> defines \`uchar'.])
928 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
929 CFLAGS="$saved_CFLAGS"
931 gcc_AC_INITFINI_ARRAY
933 # mkdir takes a single argument on some systems.
934 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
942 # With Setjmp/Longjmp based exception handling.
943 AC_ARG_ENABLE(sjlj-exceptions,
944 [ --enable-sjlj-exceptions
945 arrange to use setjmp/longjmp exception handling],
946 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
947 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
948 [Define 0/1 to force the choice for exception handling model.])])
950 AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
951 # Use libunwind based exception handling.
952 AC_ARG_ENABLE(libunwind-exceptions,
953 [ --enable-libunwind-exceptions force use libunwind for exceptions],
954 use_libunwind_exceptions=$enableval,
955 use_libunwind_exceptions=$use_libunwind_default)
956 if test x"$use_libunwind_exceptions" = xyes; then
957 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
958 [Define if gcc should use -lunwind.])
961 # --------------------------------------------------------
962 # Build, host, and target specific configuration fragments
963 # --------------------------------------------------------
965 # Collect build-machine-specific information.
966 . ${srcdir}/config.build
968 # Collect host-machine-specific information.
969 . ${srcdir}/config.host
973 # Collect target-machine-specific information.
974 for machine in $target ; do
975 . ${srcdir}/config.gcc
978 extra_objs="${host_extra_objs} ${extra_objs}"
980 # Default the target-machine variables that were not explicitly set.
981 if test x"$tm_file" = x
982 then tm_file=$cpu_type/$cpu_type.h; fi
984 if test x"$extra_headers" = x
985 then extra_headers=; fi
987 if test x$md_file = x
988 then md_file=$cpu_type/$cpu_type.md; fi
990 if test x$out_file = x
991 then out_file=$cpu_type/$cpu_type.c; fi
993 if test x"$tmake_file" = x
994 then tmake_file=$cpu_type/t-$cpu_type
997 if test x"$dwarf2" = xyes
998 then tm_file="$tm_file tm-dwarf2.h"
1001 # Say what files are being used for the output code and MD file.
1002 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
1003 echo "Using \`$srcdir/config/$md_file' as machine description file."
1005 # If any of the xm_file variables contain nonexistent files, warn
1006 # about them and drop them.
1009 for x in $build_xm_file; do
1010 if test -f $srcdir/config/$x
1012 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1018 for x in $host_xm_file; do
1019 if test -f $srcdir/config/$x
1021 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1027 for x in $xm_file; do
1028 if test -f $srcdir/config/$x
1030 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1036 for f in $tm_file; do
1039 if test $count = ax; then
1040 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
1042 echo "Using the following target machine macro files:"
1043 for f in $tm_file; do
1044 echo " $srcdir/config/$f"
1048 if test x$need_64bit_hwint = xyes; then
1049 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
1050 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
1054 for f in $host_xm_file; do
1057 if test $count = a; then
1059 elif test $count = ax; then
1060 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
1062 echo "Using the following host machine macro files:"
1063 for f in $host_xm_file; do
1064 echo " $srcdir/config/$f"
1067 echo "Using ${out_host_hook_obj} for host machine hooks."
1069 if test "$host_xm_file" != "$build_xm_file"; then
1071 for f in $build_xm_file; do
1074 if test $count = a; then
1076 elif test $count = ax; then
1077 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
1079 echo "Using the following build machine macro files:"
1080 for f in $build_xm_file; do
1081 echo " $srcdir/config/$f"
1086 if test x$thread_file = x; then
1087 if test x$target_thread_file != x; then
1088 thread_file=$target_thread_file
1090 thread_file='single'
1094 if test x$enable___cxa_atexit = xyes || \
1095 test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
1096 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
1097 [Define if you want to use __cxa_atexit, rather than atexit, to
1098 register C++ destructors for local statics and global objects.
1099 This is essential for fully standards-compliant handling of
1100 destructors, but requires __cxa_atexit in libc.])
1103 # Look for a file containing extra machine modes.
1104 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
1105 extra_modes_file='$(srcdir)'/config/${extra_modes}
1106 AC_SUBST(extra_modes_file)
1107 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "config/$extra_modes",
1108 [Define to the name of a file containing a list of extra machine modes
1109 for this architecture.])
1110 AC_DEFINE(EXTRA_CC_MODES, 1,
1111 [Define if the target architecture needs extra machine modes to represent
1112 the results of comparisons.])
1115 # auto-host.h is the file containing items generated by autoconf and is
1116 # the first file included by config.h.
1117 # If host=build, it is correct to have bconfig include auto-host.h
1118 # as well. If host!=build, we are in error and need to do more
1119 # work to find out the build config parameters.
1120 if test x$host = x$build
1122 build_auto=auto-host.h
1125 # We create a subdir, then run autoconf in the subdir.
1126 # To prevent recursion we set host and build for the new
1127 # invocation of configure to the build for this invocation
1134 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
1135 *) realsrcdir=../${srcdir};;
1137 saved_CFLAGS="${CFLAGS}"
1138 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
1139 ${realsrcdir}/configure \
1140 --target=$target_alias --host=$build_alias --build=$build_alias
1141 CFLAGS="${saved_CFLAGS}"
1143 # We just finished tests for the build machine, so rename
1144 # the file auto-build.h in the gcc directory.
1145 mv auto-host.h ../auto-build.h
1148 build_auto=auto-build.h
1149 FORBUILD=../${build_subdir}
1153 tm_file="${tm_file} defaults.h"
1154 tm_p_file="${tm_p_file} tm-preds.h"
1155 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1156 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1157 # We don't want ansidecl.h in target files, write code there in ISO/GNU C.
1158 # put this back in temporarily.
1159 xm_file="ansidecl.h ${xm_file}"
1165 # Get the version trigger filename from the toplevel
1166 if test "${with_gcc_version_trigger+set}" = set; then
1167 gcc_version_trigger=$with_gcc_version_trigger
1169 gcc_version_trigger=${srcdir}/version.c
1172 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1173 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1175 # Compile in configure arguments.
1176 if test -f configargs.h ; then
1177 # Being re-configured.
1178 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1179 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1181 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1183 cat > configargs.h <<EOF
1184 /* Generated automatically. */
1185 static const char configuration_arguments[] = "$gcc_config_arguments";
1186 static const char thread_model[] = "$thread_file";
1188 static const struct {
1189 const char *name, *value;
1190 } configure_default_options[] = $configure_default_options;
1194 # Internationalization
1196 VERSION="$gcc_version"
1200 ZW_GNU_GETTEXT_SISTER_DIR
1202 # If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get
1203 # -liconv on the link line twice.
1204 case "$LIBINTL" in *$LIBICONV*)
1208 # Windows32 Registry support for specifying GCC installation paths.
1209 AC_ARG_ENABLE(win32-registry,
1210 [ --disable-win32-registry
1211 disable lookup of installation paths in the
1212 Registry on Windows hosts
1213 --enable-win32-registry enable registry lookup (default)
1214 --enable-win32-registry=KEY
1215 use KEY instead of GCC version as the last portion
1216 of the registry key],,)
1218 win32 | pe | cygwin* | mingw32* | uwin*)
1219 AC_MSG_CHECKING(whether windows registry support is requested)
1220 if test "x$enable_win32_registry" != xno; then
1221 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1222 [Define to 1 if installation paths should be looked up in Windows32
1223 Registry. Ignored on non windows32 hosts.])
1225 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1230 # Check if user specified a different registry key.
1231 case "x${enable_win32_registry}" in
1234 gcc_cv_win32_registry_key="$VERSION"
1237 # no registry lookup.
1238 gcc_cv_win32_registry_key=''
1241 # user-specified key.
1242 gcc_cv_win32_registry_key="$enable_win32_registry"
1246 if test "x$enable_win32_registry" != xno; then
1247 AC_MSG_CHECKING(registry key on windows hosts)
1248 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1249 [Define to be the last portion of registry key on windows hosts.])
1250 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1255 # Get an absolute path to the GCC top-level source directory
1256 holddir=`${PWDCMD-pwd}`
1258 topdir=`${PWDCMD-pwd}`
1261 # Conditionalize the makefile for this host machine.
1263 for f in ${host_xmake_file}
1265 if test -f ${srcdir}/config/$f
1267 xmake_file="${xmake_file} \$(srcdir)/config/$f"
1271 # Conditionalize the makefile for this target machine.
1273 for f in ${tmake_file}
1275 if test -f ${srcdir}/config/$f
1277 tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
1280 tmake_file="${tmake_file_}"
1282 symbolic_link='ln -s'
1284 # If the host doesn't support symlinks, modify CC in
1285 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1286 # Otherwise, we can use "CC=$(CC)".
1288 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1290 cc_set_by_configure="\$(CC)"
1291 quoted_cc_set_by_configure="\$(CC)"
1292 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1293 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1296 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1298 symbolic_link="cp -p"
1302 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1303 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1304 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1305 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1309 out_object_file=`basename $out_file .c`.o
1313 for f in $tm_file; do
1316 tm_file_list="${tm_file_list} \$(srcdir)/$f"
1317 tm_include_list="${tm_include_list} $f"
1320 tm_file_list="${tm_file_list} \$(srcdir)/config/$f"
1321 tm_include_list="${tm_include_list} config/$f"
1328 for f in $tm_p_file; do
1331 tm_p_file_list="${tm_p_file_list} $f"
1332 tm_p_include_list="${tm_p_include_list} $f"
1335 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1336 tm_p_include_list="${tm_p_include_list} config/$f"
1342 for f in $xm_file; do
1345 xm_file_list="${xm_file_list} \$(srcdir)/../include/$f"
1346 xm_include_list="${xm_include_list} $f"
1349 xm_file_list="${xm_file_list} $f"
1350 xm_include_list="${xm_include_list} $f"
1353 xm_file_list="${xm_file_list} \$(srcdir)/config/$f"
1354 xm_include_list="${xm_include_list} config/$f"
1360 host_xm_include_list=
1361 for f in $host_xm_file; do
1364 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f"
1365 host_xm_include_list="${host_xm_include_list} $f"
1368 host_xm_file_list="${host_xm_file_list} $f"
1369 host_xm_include_list="${host_xm_include_list} $f"
1372 host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f"
1373 host_xm_include_list="${host_xm_include_list} config/$f"
1379 for f in $build_xm_file; do
1382 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f"
1383 build_xm_include_list="${build_xm_include_list} $f"
1385 auto-build.h | auto-host.h )
1386 build_xm_file_list="${build_xm_file_list} $f"
1387 build_xm_include_list="${build_xm_include_list} $f"
1390 build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f"
1391 build_xm_include_list="${build_xm_include_list} config/$f"
1396 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1397 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1398 CROSS= AC_SUBST(CROSS)
1399 ALL=all.internal AC_SUBST(ALL)
1400 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1401 if test x$host != x$target
1403 CROSS="-DCROSS_COMPILE"
1405 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1406 case "$host","$target" in
1407 # Darwin crosses can use the host system's libraries and headers,
1408 # because of the fat library support. Of course, it must be the
1409 # same version of Darwin on both sides. Allow the user to
1410 # just say --target=foo-darwin without a version number to mean
1411 # "the version on this system".
1412 *-*-darwin*,*-*-darwin*)
1413 hostos=`echo $host | sed 's/.*-darwin/darwin/'`
1414 targetos=`echo $target | sed 's/.*-darwin/darwin/'`
1415 if test $hostos = $targetos -o $targetos = darwin ; then
1417 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
1422 i?86-*-*,x86_64-*-* \
1423 | powerpc*-*-*,powerpc64*-*-*)
1424 CROSS="$CROSS -DNATIVE_CROSS" ;;
1426 elif test "x$TARGET_SYSTEM_ROOT" != x; then
1427 # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)
1428 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1431 # If this is a cross-compiler that does not
1432 # have its own set of headers then define
1435 # If this is using newlib, without having the headers available now,
1436 # then define inhibit_libc in LIBGCC2_CFLAGS.
1437 # This prevents libgcc2 from containing any code which requires libc
1440 if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
1441 test x$with_newlib = xyes ; } &&
1442 { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then
1443 inhibit_libc=-Dinhibit_libc
1445 AC_SUBST(inhibit_libc)
1447 # When building gcc with a cross-compiler, we need to adjust things so
1448 # that the generator programs are still built with the native compiler.
1449 # Also, we cannot run fixincludes or fix-header.
1451 # These are the normal (build=host) settings:
1452 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1453 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1454 CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD)
1455 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1457 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1458 STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
1460 # And these apply if build != host, or we are generating coverage data
1461 if test x$build != x$host || test "x$coverage_flags" != x
1464 BUILD_PREFIX_1=build-
1465 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
1467 if test "x$TARGET_SYSTEM_ROOT" = x; then
1473 # Expand extra_headers to include complete path.
1474 # This substitutes for lots of t-* files.
1476 if test "x$extra_headers" = x
1479 # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
1480 for file in $extra_headers;
1482 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1486 # Add a definition of USE_COLLECT2 if system wants one.
1487 case $use_collect2 in
1488 no) use_collect2= ;;
1491 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1492 xm_defines="${xm_defines} USE_COLLECT2"
1496 # Identify the assembler which will work hand-in-glove with the newly
1497 # built GCC, so that we can examine its features. This is the assembler
1498 # which will be driven by the driver program.
1500 # If build != host, and we aren't building gas in-tree, we identify a
1501 # build->target assembler and hope that it will have the same features
1502 # as the host->target assembler we'll be using.
1503 AC_MSG_CHECKING(what assembler to use)
1506 gcc_cv_gas_major_version=
1507 gcc_cv_gas_minor_version=
1508 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1509 if test -x "$DEFAULT_ASSEMBLER"; then
1510 gcc_cv_as="$DEFAULT_ASSEMBLER"
1511 elif test -x "$AS"; then
1513 elif test -x as$host_exeext; then
1514 # Build using assembler in the current directory.
1515 gcc_cv_as=./as$host_exeext
1516 elif test -f $gcc_cv_as_gas_srcdir/configure.in \
1517 && test -f ../gas/Makefile; then
1518 # Single tree build which includes gas.
1520 _gcc_COMPUTE_GAS_VERSION
1521 rm -f as$host_exeext
1522 $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1523 in_tree_gas_is_elf=no
1524 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1525 || (grep 'obj_format = multi' ../gas/Makefile \
1526 && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null
1528 in_tree_gas_is_elf=yes
1532 if test "x$gcc_cv_as" = x; then
1533 # Search the same directories that the installed compiler will
1534 # search. Else we may find the wrong assembler and lose. If we
1535 # do not find a suitable assembler binary, then try the user's
1538 # Also note we have to check MD_EXEC_PREFIX before checking the
1539 # user's path. Unfortunately, there is no good way to get at the
1540 # value of MD_EXEC_PREFIX here. So we do a brute force search
1541 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1542 # to be fixed as part of the make/configure rewrite too.
1544 if test "x$exec_prefix" = xNONE; then
1545 if test "x$prefix" = xNONE; then
1546 test_prefix=/usr/local
1551 test_prefix=$exec_prefix
1554 # If the loop below does not find an assembler, then use whatever
1555 # one we can find in the users's path.
1557 if test "x$program_prefix" != xNONE; then
1558 gcc_cv_as=${program_prefix}as$host_exeext
1560 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1563 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1564 $test_prefix/lib/gcc-lib/$target_alias \
1565 /usr/lib/gcc/$target_alias/$gcc_version \
1566 /usr/lib/gcc/$target_alias \
1567 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1568 $test_prefix/$target_alias/bin"
1570 if test x$host = x$target; then
1571 test_dirs="$test_dirs \
1576 /bsd43/usr/lib/cmplrs/cc \
1577 /usr/cross64/usr/bin \
1578 /usr/lib/cmplrs/cc \
1579 /sysv/usr/lib/cmplrs/cc \
1580 /svr4/usr/lib/cmplrs/cc \
1584 for dir in $test_dirs; do
1585 if test -x $dir/as$host_exeext; then
1586 gcc_cv_as=$dir/as$host_exeext
1591 case $in_tree_gas in
1593 AC_MSG_RESULT("newly built gas")
1596 AC_MSG_RESULT($gcc_cv_as)
1600 # Identify the linker which will work hand-in-glove with the newly
1601 # built GCC, so that we can examine its features. This is the linker
1602 # which will be driven by the driver program.
1604 # If build != host, and we aren't building gas in-tree, we identify a
1605 # build->target linker and hope that it will have the same features
1606 # as the host->target linker we'll be using.
1607 AC_MSG_CHECKING(what linker to use)
1610 gcc_cv_gld_major_version=
1611 gcc_cv_gld_minor_version=
1612 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1613 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1614 if test -x "$DEFAULT_LINKER"; then
1615 gcc_cv_ld="$DEFAULT_LINKER"
1616 elif test -x "$LD"; then
1618 elif test -x collect-ld$host_exeext; then
1619 # Build using linker in the current directory.
1620 gcc_cv_ld=./collect-ld$host_exeext
1621 elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
1622 && test -f ../ld/Makefile; then
1623 # Single tree build which includes ld.
1625 in_tree_ld_is_elf=no
1626 if (grep 'EMUL = .*elf' ../ld/Makefile \
1627 || grep 'EMUL = .*linux' ../ld/Makefile) > /dev/null; then
1628 in_tree_ld_is_elf=yes
1630 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
1633 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1635 if test x$gcc_cv_gld_version != x; then
1640 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1641 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1643 rm -f collect-ld$host_exeext
1644 $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \
1648 if test "x$gcc_cv_ld" = x; then
1649 # Search the same directories that the installed compiler will
1650 # search. Else we may find the wrong linker and lose. If we
1651 # do not find a suitable linker binary, then try the user's
1654 # Also note we have to check MD_EXEC_PREFIX before checking the
1655 # user's path. Unfortunately, there is no good way to get at the
1656 # value of MD_EXEC_PREFIX here. So we do a brute force search
1657 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1658 # to be fixed as part of the make/configure rewrite too.
1660 if test "x$exec_prefix" = xNONE; then
1661 if test "x$prefix" = xNONE; then
1662 test_prefix=/usr/local
1667 test_prefix=$exec_prefix
1670 # If the loop below does not find an linker, then use whatever
1671 # one we can find in the users's path.
1673 if test "x$program_prefix" != xNONE; then
1674 gcc_cv_ld=${program_prefix}ld$host_exeext
1676 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1679 test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
1680 $test_prefix/lib/gcc-lib/$target_alias \
1681 /usr/lib/gcc/$target_alias/$gcc_version \
1682 /usr/lib/gcc/$target_alias \
1683 $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
1684 $test_prefix/$target_alias/bin"
1686 if test x$host = x$target; then
1687 test_dirs="$test_dirs \
1692 /bsd43/usr/lib/cmplrs/cc \
1693 /usr/cross64/usr/bin \
1694 /usr/lib/cmplrs/cc \
1695 /sysv/usr/lib/cmplrs/cc \
1696 /svr4/usr/lib/cmplrs/cc \
1700 for dir in $test_dirs; do
1701 if test -x $dir/ld$host_exeext; then
1702 gcc_cv_ld=$dir/ld$host_exeext
1709 AC_MSG_RESULT("newly built ld")
1712 AC_MSG_RESULT($gcc_cv_ld)
1716 # Figure out what nm we will be using.
1717 gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
1718 AC_MSG_CHECKING(what nm to use)
1720 if test -x nm$host_exeext; then
1721 gcc_cv_nm=./nm$host_exeext
1722 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1723 && test -f ../binutils/Makefile; then
1724 # Single tree build which includes binutils.
1726 gcc_cv_nm=./nm$host_exeext
1727 rm -f nm$host_exeext
1728 $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1729 elif test "x$program_prefix" != xNONE; then
1730 gcc_cv_nm=${program_prefix}nm$host_exeext
1732 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1735 yes) AC_MSG_RESULT("newly built nm") ;;
1736 no) AC_MSG_RESULT($gcc_cv_nm) ;;
1739 # Figure out what objdump we will be using.
1740 AC_MSG_CHECKING(what objdump to use)
1742 if test -x objdump$host_exeext; then
1743 gcc_cv_objdump=./objdump$host_exeext
1744 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1745 && test -f ../binutils/Makefile; then
1746 # Single tree build which includes binutils.
1748 gcc_cv_objdump=./objdump$host_exeext
1749 rm -f objdump$host_exeext
1750 $symbolic_link ../binutils/objdump$host_exeext \
1751 objdump$host_exeext 2>/dev/null
1752 elif test "x$program_prefix" != xNONE; then
1753 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1755 gcc_cv_objdump=`echo objdump | \
1756 sed ${program_transform_name}`$host_exeext
1758 case $in_tree_objdump in
1759 yes) AC_MSG_RESULT("newly built objdump") ;;
1760 no) AC_MSG_RESULT($gcc_cv_objdump) ;;
1763 # Figure out what assembler alignment features are present.
1764 gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align,
1768 [AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1,
1769 [Define if your assembler supports .balign and .p2align.])])
1771 gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align,
1774 [AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1,
1775 [Define if your assembler supports specifying the maximum number
1776 of bytes to skip when using the GAS .p2align command.])])
1778 gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1,
1780 [conftest_label1: .word 0
1782 conftest_label2: .word 0
1784 [if test x$gcc_cv_nm != x; then
1785 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1786 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1787 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1
1789 else gcc_cv_as_subsection_m1=yes
1791 rm -f conftest.nm1 conftest.nm2
1793 [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1794 [Define if your assembler supports .subsection and .subsection -1 starts
1795 emitting at the beginning of your section.])])
1797 gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak,
1800 [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])])
1802 # .hidden needs to be supported in both the assembler and the linker,
1803 # because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1804 # This is irritatingly difficult to feature test for; we have to check the
1805 # date string after the version number. If we've got an in-tree
1806 # ld, we don't know its patchlevel version, so we set the baseline at 2.13
1808 # The gcc_GAS_CHECK_FEATURE call just sets a cache variable.
1809 gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden,
1814 AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden,
1815 [if test $in_tree_ld = yes ; then
1817 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \
1818 && test $in_tree_ld_is_elf = yes; then
1819 gcc_cv_ld_hidden=yes
1822 gcc_cv_ld_hidden=yes
1823 ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
1824 if echo "$ld_ver" | grep GNU > /dev/null; then
1826 ld_vers=`echo $ld_ver | sed -n \
1827 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1828 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1829 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1830 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
1831 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
1832 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
1833 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1834 if test 0"$ld_date" -lt 20020404; then
1835 if test -n "$ld_date"; then
1836 # If there was date string, but was earlier than 2002-04-04, fail
1838 elif test -z "$ld_vers"; then
1839 # If there was no date string nor ld version number, something is wrong
1842 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1843 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1844 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1845 test -z "$ld_vers_patch" && ld_vers_patch=0
1846 if test "$ld_vers_major" -lt 2; then
1848 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1849 gcc_cv_ld_hidden="no"
1850 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then
1857 # non-GNU linkers don't seem to support .hidden yet
1858 if test x"$gnu_ld_flag" = x"no"; then
1863 libgcc_visibility=no
1864 AC_SUBST(libgcc_visibility)
1865 if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then
1866 libgcc_visibility=yes
1867 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1868 [Define if your assembler and linker support .hidden.])
1871 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1872 gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128,
1880 [# GAS versions before 2.11 do not support uleb128,
1881 # despite appearing to.
1882 # ??? There exists an elf-specific test that will crash
1883 # the assembler. Perhaps it's better to figure out whether
1884 # arbitrary sections are supported and try the test.
1885 as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q`
1886 if echo "$as_ver" | grep GNU > /dev/null; then
1888 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1889 as_major=`echo $as_ver | sed 's/\..*//'`
1890 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1892 if test $as_major -eq 2 && test $as_minor -lt 11
1894 else gcc_cv_as_leb128=yes
1897 [AC_DEFINE(HAVE_AS_LEB128, 1,
1898 [Define if your assembler supports .sleb128 and .uleb128.])])
1900 # GAS versions up to and including 2.11.0 may mis-optimize
1902 gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame,
1910 .section .eh_frame,"aw",@progbits
1912 .4byte .LECIE1-.LSCIE1
1926 .4byte .LEFDE1-.LASFDE1
1928 .4byte .LASFDE1-__FRAME_BEGIN__
1936 [ cat > conftest.lit <<EOF
1937 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1938 0010 01000000 12000000 18000000 00000000 ................
1939 0020 08000000 04080000 0044 .........D
1941 cat > conftest.big <<EOF
1942 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1943 0010 00000001 00000012 00000018 00000000 ................
1944 0020 00000008 04000000 0844 .........D
1946 # If the assembler didn't choke, and we can objdump,
1947 # and we got the correct data, then succeed.
1948 if test x$gcc_cv_objdump != x \
1949 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1950 | tail -3 > conftest.got \
1951 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1952 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1954 gcc_cv_as_eh_frame=yes
1955 elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then
1956 gcc_cv_as_eh_frame=buggy
1958 # Uh oh, what do we do now?
1959 gcc_cv_as_eh_frame=no
1962 if test $gcc_cv_as_eh_frame = buggy; then
1963 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1964 [Define if your assembler mis-optimizes .eh_frame data.])
1967 gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
1968 [elf,2,12,0], [--fatal-warnings],
1969 [.section .rodata.str, "aMS", @progbits, 1],,
1970 [AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1971 [Define if your assembler supports marking sections with SHF_MERGE flag.])])
1973 # Thread-local storage - the check is heavily parametrized.
1982 .section ".tdata","awT",@progbits
1985 ldq $27,__tls_get_addr($29) !literal!1
1986 lda $16,foo($29) !tlsgd!1
1987 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
1988 ldq $27,__tls_get_addr($29) !literal!2
1989 lda $16,foo($29) !tlsldm!2
1990 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
1991 ldq $1,foo($29) !gotdtprel
1992 ldah $2,foo($29) !dtprelhi
1993 lda $3,foo($2) !dtprello
1994 lda $4,foo($29) !dtprel
1995 ldq $1,foo($29) !gottprel
1996 ldah $2,foo($29) !tprelhi
1997 lda $3,foo($2) !tprello
1998 lda $4,foo($29) !tprel'
2004 .section ".tdata","awT",@progbits
2008 leal foo@TLSGD(,%ebx,1), %eax
2009 leal foo@TLSLDM(%ebx), %eax
2010 leal foo@DTPOFF(%eax), %edx
2011 movl foo@GOTTPOFF(%ebx), %eax
2012 subl foo@GOTTPOFF(%ebx), %eax
2013 addl foo@GOTNTPOFF(%ebx), %eax
2014 movl foo@INDNTPOFF, %eax
2015 movl $foo@TPOFF, %eax
2016 subl $foo@TPOFF, %eax
2017 leal foo@NTPOFF(%ecx), %eax'
2023 .section ".tdata","awT",@progbits
2027 leaq foo@TLSGD(%rip), %rdi
2028 leaq foo@TLSLD(%rip), %rdi
2029 leaq foo@DTPOFF(%rax), %rdx
2030 movq foo@GOTTPOFF(%rip), %rax
2031 movq $foo@TPOFF, %rax'
2037 .section ".tdata","awT",@progbits
2040 addl r16 = @ltoff(@dtpmod(foo#)), gp
2041 addl r17 = @ltoff(@dtprel(foo#)), gp
2042 addl r18 = @ltoff(@tprel(foo#)), gp
2043 addl r19 = @dtprel(foo#), gp
2044 adds r21 = @dtprel(foo#), r13
2045 movl r23 = @dtprel(foo#)
2046 addl r20 = @tprel(foo#), gp
2047 adds r22 = @tprel(foo#), r13
2048 movl r24 = @tprel(foo#)'
2054 .section ".tdata","awT",@progbits
2062 addi 3,31,ld0@got@tlsgd
2064 addi 3,31,x1@got@tlsld
2067 addis 9,3,x2@dtprel@ha
2068 addi 9,9,x2@dtprel@l
2069 lwz 9,x3@got@tprel(31)
2072 addis 9,2,x2@tprel@ha
2073 addi 9,9,x2@tprel@l'
2080 .section ".tdata","awT",@progbits
2088 addi 3,2,ld0@got@tlsgd
2094 addi 3,2,x1@got@tlsld
2100 addis 9,3,x2@dtprel@ha
2101 addi 9,9,x2@dtprel@l
2104 ld 9,x3@got@dtprel(2)
2114 .section ".tdata","awT",@progbits
2123 l %r1,foo@GOTNTPOFF(%r12)
2124 l %r1,0(%r1):tls_load:foo
2125 bas %r14,0(%r1,%r13):tls_gdcall:foo
2126 bas %r14,0(%r1,%r13):tls_ldcall:foo'
2133 .section ".tdata","awT",@progbits
2141 lg %r1,foo@GOTNTPOFF(%r12)
2142 larl %r1,foo@INDNTPOFF
2143 brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
2144 brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
2147 tls_as_opt="-m64 -Aesame"
2151 .section ".tdata","awT",@progbits
2154 sethi %tgd_hi22(foo), %o0
2155 add %o0, %tgd_lo10(foo), %o1
2156 add %l7, %o1, %o0, %tgd_add(foo)
2157 call __tls_get_addr, %tgd_call(foo)
2158 sethi %tldm_hi22(foo), %l1
2159 add %l1, %tldm_lo10(foo), %l2
2160 add %l7, %l2, %o0, %tldm_add(foo)
2161 call __tls_get_addr, %tldm_call(foo)
2162 sethi %tldo_hix22(foo), %l3
2163 xor %l3, %tldo_lox10(foo), %l4
2164 add %o0, %l4, %l5, %tldo_add(foo)
2165 sethi %tie_hi22(foo), %o3
2166 add %o3, %tie_lo10(foo), %o3
2167 ld [%l7 + %o3], %o2, %tie_ld(foo)
2168 add %g7, %o2, %o4, %tie_add(foo)
2169 sethi %tle_hix22(foo), %l1
2170 xor %l1, %tle_lox10(foo), %o5
2171 ld [%g7 + %o5], %o1'
2178 if test -z "$tls_first_major"; then
2179 : # If we don't have a check, assume no support.
2181 gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls,
2182 [$tls_first_major,$tls_first_minor,0], [$tls_as_opt --fatal-warnings],
2184 [AC_DEFINE(HAVE_AS_TLS, 1,
2185 [Define if your assembler supports thread-local storage.])])
2188 # Target-specific assembler checks.
2191 # All TARGET_ABI_OSF targets.
2192 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
2193 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2194 gcc_cv_as_alpha_explicit_relocs, [2,12,0],,
2197 extbl $3, $2, $3 !lituse_bytoff!1
2198 ldq $2, a($29) !literal!1
2199 ldq $4, b($29) !literal!2
2200 ldq_u $3, 0($2) !lituse_base!1
2201 ldq $27, f($29) !literal!5
2202 jsr $26, ($27), f !lituse_jsr!5
2203 ldah $29, 0($26) !gpdisp!3
2204 lda $0, c($29) !gprel
2205 ldah $1, d($29) !gprelhigh
2206 lda $1, d($1) !gprellow
2207 lda $29, 0($29) !gpdisp!3],,
2208 [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2209 [Define if your assembler supports explicit relocations.])])
2213 gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,,
2214 [.register %g2, #scratch],,
2215 [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2216 [Define if your assembler supports .register.])])
2218 gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,,
2220 [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2221 [Define if your assembler supports -relax option.])])
2223 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs],
2224 gcc_cv_as_sparc_ua_pcrel,,
2232 .uaword %r_disp32(foo)],
2233 [if test x$gcc_cv_ld != x \
2234 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2235 gcc_cv_as_sparc_ua_pcrel=yes
2238 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2239 [Define if your assembler and linker support unaligned PC relative relocs.])
2241 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols],
2242 gcc_cv_as_sparc_ua_pcrel_hidden,,
2247 .uaword %r_disp32(foo)
2248 .byte 0x32, 0x33, 0x34
2253 [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
2254 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2255 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2256 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2257 if $gcc_cv_objdump -R conftest 2> /dev/null \
2258 | grep 'DISP32' > /dev/null 2>&1; then
2261 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2265 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2266 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])])
2267 ]) # unaligned pcrel relocs
2269 gcc_GAS_CHECK_FEATURE([offsetable %lo()],
2270 gcc_cv_as_sparc_offsetable_lo10,,
2273 or %g1, %lo(ab) + 12, %g1
2274 or %g1, %lo(ab + 12), %g1],
2275 [if test x$gcc_cv_objdump != x \
2276 && %gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
2277 | grep ' 82106000 82106000' > /dev/null 2>&1; then
2278 gcc_cv_as_offsetable_lo10=yes
2280 [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2281 [Define if your assembler supports offsetable %lo().])])
2285 i[34567]86-*-* | x86_64-*-*)
2287 gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
2288 gcc_cv_as_ix86_filds_fists,
2289 [2,9,0],, [filds mem; fists mem],,
2290 [AC_DEFINE(HAVE_GAS_FILDS_FISTS, 1,
2291 [Define if your assembler uses the new HImode fild and fist notation.])])
2293 gcc_GAS_CHECK_FEATURE([cmov syntax],
2294 gcc_cv_as_ix86_cmov_sun_syntax,,,
2295 [cmovl.l %edx, %eax],,
2296 [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1,
2297 [Define if your assembler supports the Sun syntax for cmov.])])
2299 # This one is used unconditionally by i386.[ch]; it is to be defined
2300 # to 1 if the feature is present, 0 otherwise.
2301 gcc_GAS_CHECK_FEATURE([GOTOFF in data],
2302 gcc_cv_as_ix86_gotoff_in_data, [2,11,0],,
2308 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2309 [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2310 [Define true if the assembler supports '.long foo@GOTOFF'.])
2314 gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs],
2315 gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],,
2317 addl r15 = @ltoffx(x#), gp
2319 ld8.mov r16 = [[r15]], x#],,
2320 [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
2321 [Define if your assembler supports ltoffx and ldxmov relocations.])])
2327 *-*-aix) conftest_s=' .csect .text[PR]';;
2328 *) conftest_s=' .text';;
2330 conftest_s="$conftest_s
2333 gcc_GAS_CHECK_FEATURE([mfcr field support],
2334 gcc_cv_as_powerpc_mfcrf, [2,14,0],,
2336 [AC_DEFINE(HAVE_AS_MFCRF, 1,
2337 [Define if your assembler supports mfcr field.])])
2341 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2342 gcc_cv_as_mips_explicit_relocs, [2,14,0],,
2343 [ lw $4,%gp_rel(foo)($4)],,
2344 [if test x$target_cpu_default = x
2345 then target_cpu_default=MASK_EXPLICIT_RELOCS
2346 else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
2351 # ??? Not all targets support dwarf2 debug_line, even within a version
2352 # of gas. Moreover, we need to emit a valid instruction to trigger any
2353 # info to the output file. So, as supported targets are added to gas 2.11,
2354 # add some instruction here to (also) show we expect this might work.
2355 # ??? Once 2.11 is released, probably need to add first known working
2356 # version to the per-target configury.
2358 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2359 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \
2360 | xstormy16*-*-* | cris-*-*)
2370 if test x"$insn" != x; then
2372 .file 1 \"conftest.s\"
2375 gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support],
2376 gcc_cv_as_dwarf2_debug_line,
2377 [elf,2,11,0],, [$conftest_s],
2378 [# ??? This fails with non-gnu grep. Maybe use objdump?
2379 if grep debug_line conftest.o > /dev/null 2>&1; then
2380 gcc_cv_as_dwarf2_debug_line=yes
2383 # The .debug_line file table must be in the exact order that
2384 # we specified the files, since these indices are also used
2385 # by DW_AT_decl_file. Approximate this test by testing if
2386 # the assembler bitches if the same index is assigned twice.
2387 gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive],
2388 gcc_cv_as_dwarf2_file_buggy,,,
2392 if test $gcc_cv_as_dwarf2_debug_line = yes \
2393 && test $gcc_cv_as_dwarf2_file_buggy = no; then
2394 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2395 [Define if your assembler supports dwarf2 .file/.loc directives,
2396 and preserves file table indices exactly as given.])
2399 gcc_GAS_CHECK_FEATURE([--gdwarf2 option],
2400 gcc_cv_as_gdwarf2_flag,
2401 [elf,2,11,0], [--gdwarf2], [$insn],,
2402 [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2403 [Define if your assembler supports the --gdwarf2 option.])])
2405 gcc_GAS_CHECK_FEATURE([--gstabs option],
2406 gcc_cv_as_gstabs_flag,
2407 [elf,2,11,0], [--gstabs], [$insn],
2408 [# The native Solaris 9/Intel assembler doesn't understand --gstabs
2409 # and warns about it, but still exits successfully. So check for
2411 if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null])
2413 else gcc_cv_as_gstabs_flag=yes
2415 [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2416 [Define if your assembler supports the --gstabs option.])])
2419 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2420 gcc_cv_ld_ro_rw_mix=unknown
2421 if test $in_tree_ld = yes ; then
2422 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \
2423 && test $in_tree_ld_is_elf = yes; then
2424 gcc_cv_ld_ro_rw_mix=read-write
2426 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2427 echo '.section myfoosect, "a"' > conftest1.s
2428 echo '.section myfoosect, "aw"' > conftest2.s
2429 echo '.byte 1' >> conftest2.s
2430 echo '.section myfoosect, "a"' > conftest3.s
2431 echo '.byte 0' >> conftest3.s
2432 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2433 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2434 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2435 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2436 conftest2.o conftest3.o > /dev/null 2>&1; then
2437 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2438 | sed -e '/myfoosect/!d' -e N`
2439 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2440 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2441 gcc_cv_ld_ro_rw_mix=read-only
2443 gcc_cv_ld_ro_rw_mix=read-write
2448 rm -f conftest.* conftest[123].*
2451 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2452 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2453 [Define if your linker links a mix of read-only
2454 and read-write sections into a read-write section.])
2456 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2458 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2459 gcc_cv_ld_eh_frame_hdr=no
2460 if test $in_tree_ld = yes ; then
2461 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \
2462 && test $in_tree_ld_is_elf = yes; then
2463 gcc_cv_ld_eh_frame_hdr=yes
2465 elif test x$gcc_cv_ld != x; then
2466 # Check if linker supports --eh-frame-hdr option
2467 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2468 gcc_cv_ld_eh_frame_hdr=yes
2471 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2472 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2473 [Define if your linker supports --eh-frame-hdr option.])
2475 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2477 AC_MSG_CHECKING(linker position independent executable support)
2479 if test $in_tree_ld = yes ; then
2480 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \
2481 && test $in_tree_ld_is_elf = yes; then
2484 elif test x$gcc_cv_ld != x; then
2485 # Check if linker supports -pie option
2486 if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
2490 if test x"$gcc_cv_ld_pie" = xyes; then
2491 AC_DEFINE(HAVE_LD_PIE, 1,
2492 [Define if your linker supports -pie option.])
2494 AC_MSG_RESULT($gcc_cv_ld_pie)
2496 # Miscellaneous target-specific checks.
2499 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2500 gcc_cv_mips_libgloss_startup=no
2501 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2502 if test "x$exec_prefix" = xNONE; then
2503 if test "x$prefix" = xNONE; then
2504 test_prefix=/usr/local
2509 test_prefix=$exec_prefix
2511 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
2513 if grep '^STARTUP' $f > /dev/null 2>&1; then
2514 gcc_cv_mips_libgloss_startup=yes
2518 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2519 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2520 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2522 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2526 if test x$with_sysroot = x && test x$host = x$target \
2527 && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2528 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
2529 [Define to PREFIX/include if cpp should also search that directory.])
2532 # Figure out what language subdirectories are present.
2533 # Look if the user specified --enable-languages="..."; if not, use
2534 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2536 # NB: embedded tabs in this IF block -- do not untabify
2537 if test x"${enable_languages+set}" != xset; then
2538 if test x"${LANGUAGES+set}" = xset; then
2539 enable_languages="${LANGUAGES}"
2540 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2543 enable_languages=all
2546 if test x"${enable_languages}" = x \
2547 || test x"${enable_languages}" = xyes;
2549 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2552 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2554 # First scan to see if an enabled language requires some other language.
2555 # We assume that a given config-lang.in will list all the language
2556 # front ends it requires, even if some are required indirectly.
2557 for lang in ${srcdir}/*/config-lang.in
2560 # The odd quoting in the next line works around
2561 # an apparent bug in bash 1.12 on linux.
2563 ${srcdir}/[*]/config-lang.in)
2566 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2567 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2568 for other in $this_lang_requires
2570 case ,${enable_languages}, in
2576 enable_languages="$enable_languages,$other"
2585 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2588 for lang in ${srcdir}/*/config-lang.in
2591 # The odd quoting in the next line works around
2592 # an apparent bug in bash 1.12 on linux.
2594 ${srcdir}/[*]/config-lang.in) ;;
2596 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2597 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2598 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2599 if test "x$lang_alias" = x
2601 echo "$lang doesn't set \$language." 1>&2
2604 case ${build_by_default},${enable_languages}, in
2605 *,$lang_alias,*) add_this_lang=yes ;;
2606 no,*) add_this_lang=no ;;
2607 *,all,*) add_this_lang=yes ;;
2608 *) add_this_lang=no ;;
2610 found_languages="${found_languages} ${lang_alias}"
2611 if test x"${add_this_lang}" = xyes; then
2613 ${srcdir}/ada/config-lang.in)
2614 if test x$have_gnat = xyes ; then
2615 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2619 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2629 for expected_language in ${expected_languages} ..
2631 if test "${expected_language}" != ..; then
2632 missing_language="${expected_language}"
2633 if test "${expected_language}" = "c" \
2634 || test "${expected_language}" = "all"; then
2637 for found_language in ${found_languages} ..
2639 if test "${found_language}" != ..; then
2640 if test "${expected_language}" = "${found_language}"; then
2645 if test "x${missing_language}" != x; then
2646 missing_languages="${missing_languages} ${missing_language}"
2651 if test "x$missing_languages" != x; then
2653 The following requested languages were not found:${missing_languages}
2654 The following languages were available: c${found_languages}])
2657 # Make gthr-default.h if we have a thread file.
2659 if test $thread_file != single; then
2660 rm -f gthr-default.h
2661 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2662 gthread_flags=-DHAVE_GTHR_DEFAULT
2664 AC_SUBST(gthread_flags)
2666 # Find out what GC implementation we want, or may, use.
2668 [ --with-gc={simple,page} choose the garbage collection mechanism to use
2675 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2680 echo "Using $GGC for garbage collection."
2682 # Use the system's zlib library.
2684 zlibinc="-I\$(srcdir)/../zlib"
2685 AC_ARG_WITH(system-zlib,
2686 [ --with-system-zlib use installed libz],
2693 dnl Very limited version of automake's enable-maintainer-mode
2695 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2696 dnl maintainer-mode is disabled by default
2697 AC_ARG_ENABLE(maintainer-mode,
2698 [ --enable-maintainer-mode
2699 enable make rules and dependencies not useful
2700 (and sometimes confusing) to the casual installer],
2701 maintainer_mode=$enableval,
2704 AC_MSG_RESULT($maintainer_mode)
2706 if test "$maintainer_mode" = "yes"; then
2713 # Make empty files to contain the specs and options for each language.
2714 # Then add #include lines to for a compiler that has specs and/or options.
2719 for subdir in . $subdirs
2721 if test -f $srcdir/$subdir/lang.opt; then
2722 lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
2724 if test -f $srcdir/$subdir/lang-specs.h; then
2725 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2727 if test -f $srcdir/$subdir/$subdir-tree.def; then
2728 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2732 # These (without "all_") are set in each config-lang.in.
2733 # `language' must be a single word so is spelled singularly.
2738 all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2739 # List of language makefile fragments.
2741 # List of language subdirectory makefiles. Deprecated.
2743 # Files for gengtype
2744 all_gtfiles="$target_gtfiles"
2745 # Files for gengtype with language
2746 all_gtfiles_files_langs=
2747 all_gtfiles_files_files=
2749 # Add the language fragments.
2750 # Languages are added via two mechanisms. Some information must be
2751 # recorded in makefile variables, these are defined in config-lang.in.
2752 # We accumulate them and plug them into the main Makefile.
2753 # The other mechanism is a set of hooks for each of the main targets
2754 # like `clean', `install', etc.
2756 language_hooks="Make-hooks"
2766 . ${srcdir}/$s/config-lang.in
2767 if test "x$language" = x
2769 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2772 all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$s/Make-lang.in"
2773 if test -f ${srcdir}/$s/Makefile.in
2774 then all_lang_makefiles="$s/Makefile"
2776 all_languages="$all_languages $language"
2777 if test "x$boot_language" = xyes
2779 all_boot_languages="$all_boot_languages $language"
2781 all_compilers="$all_compilers $compilers"
2782 all_stagestuff="$all_stagestuff $stagestuff"
2783 all_outputs="$all_outputs $outputs"
2784 all_gtfiles="$all_gtfiles $gtfiles"
2787 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2788 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2792 # Pick up gtfiles for c
2795 . ${srcdir}/c-config-lang.in
2796 all_gtfiles="$all_gtfiles $gtfiles"
2799 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2800 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2804 for language in $all_languages
2806 check_languages="$check_languages check-$language"
2809 # Since we can't use `::' targets, we link each language in
2810 # with a set of hooks, reached indirectly via lang.${target}.
2814 target_list="all.build all.cross start.encap rest.encap tags \
2815 info dvi generated-manpages \
2816 install-normal install-common install-info install-man \
2818 mostlyclean clean distclean extraclean maintainer-clean \
2819 stage1 stage2 stage3 stage4 stageprofile stagefeedback"
2820 for t in $target_list
2823 for lang in $all_languages
2827 echo "lang.$t: $x" >> Make-hooks
2832 echo "dir ." > .gdbinit
2833 echo "dir ${srcdir}" >> .gdbinit
2834 if test x$gdb_needs_out_file_path = xyes
2836 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2838 if test "x$subdirs" != x; then
2841 echo "dir ${srcdir}/$s" >> .gdbinit
2844 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2846 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2847 # absolute path for gcc_tooldir based on inserting the number of up-directory
2848 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2849 # $(libsubdir)/@(unlibsubdir) based path.
2850 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2851 # make and thus we'd get different behavior depending on where we built the
2853 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2854 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2856 changequote(<<, >>)dnl
2857 # An explanation of the sed strings:
2858 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2859 # -e 's|/$||' match a trailing forward slash and eliminates it
2860 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2861 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2863 # (*) Note this pattern overwrites the first character of the string
2864 # with a forward slash if one is not already present. This is not a
2865 # problem because the exact names of the sub-directories concerned is
2866 # unimportant, just the number of them matters.
2868 # The practical upshot of these patterns is like this:
2870 # prefix exec_prefix result
2871 # ------ ----------- ------
2873 # /foo/ /foo/bar ../
2874 # /foo /foo/bar/ ../
2875 # /foo/ /foo/bar/ ../
2876 # /foo /foo/bar/ugg ../../
2879 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2880 changequote([, ])dnl
2882 AC_SUBST(gcc_tooldir)
2885 # Find a directory in which to install a shared libgcc.
2887 AC_ARG_ENABLE(version-specific-runtime-libs,
2888 [ --enable-version-specific-runtime-libs
2889 specify that runtime libraries should be
2890 installed in a compiler-specific directory])
2892 AC_ARG_WITH(slibdir,
2893 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2894 slibdir="$with_slibdir",
2895 if test "${enable_version_specific_runtime_libs+set}" = set; then
2896 slibdir='$(libsubdir)'
2897 elif test "$host" != "$target"; then
2898 slibdir='$(build_tooldir)/lib'
2904 objdir=`${PWDCMD-pwd}`
2907 # Substitute configuration variables
2910 AC_SUBST(all_boot_languages)
2911 AC_SUBST(all_compilers)
2912 AC_SUBST(all_gtfiles)
2913 AC_SUBST(all_gtfiles_files_langs)
2914 AC_SUBST(all_gtfiles_files_files)
2915 AC_SUBST(all_lang_makefrags)
2916 AC_SUBST(all_lang_makefiles)
2917 AC_SUBST(all_languages)
2918 AC_SUBST(all_stagestuff)
2919 AC_SUBST(build_exeext)
2920 AC_SUBST(build_install_headers_dir)
2921 AC_SUBST(build_xm_file_list)
2922 AC_SUBST(build_xm_include_list)
2923 AC_SUBST(build_xm_defines)
2924 AC_SUBST(check_languages)
2925 AC_SUBST(cc_set_by_configure)
2926 AC_SUBST(quoted_cc_set_by_configure)
2927 AC_SUBST(cpp_install_dir)
2928 AC_SUBST(xmake_file)
2929 AC_SUBST(tmake_file)
2930 AC_SUBST(extra_headers_list)
2931 AC_SUBST(extra_objs)
2932 AC_SUBST(extra_parts)
2933 AC_SUBST(extra_passes)
2934 AC_SUBST(extra_programs)
2935 AC_SUBST(float_h_file)
2936 AC_SUBST(gcc_config_arguments)
2937 AC_SUBST(gcc_gxx_include_dir)
2938 AC_SUBST(libstdcxx_incdir)
2939 AC_SUBST(gcc_version)
2940 AC_SUBST(gcc_version_full)
2941 AC_SUBST(gcc_version_trigger)
2942 AC_SUBST(host_exeext)
2943 AC_SUBST(host_extra_gcc_objs)
2944 AC_SUBST(host_xm_file_list)
2945 AC_SUBST(host_xm_include_list)
2946 AC_SUBST(host_xm_defines)
2947 AC_SUBST(out_host_hook_obj)
2949 AC_SUBST(lang_opt_files)
2950 AC_SUBST(lang_specs_files)
2951 AC_SUBST(lang_tree_files)
2952 AC_SUBST(local_prefix)
2954 AC_SUBST(objc_boehm_gc)
2956 AC_SUBST(out_object_file)
2957 AC_SUBST(stage_prefix_set_by_configure)
2958 AC_SUBST(quoted_stage_prefix_set_by_configure)
2959 AC_SUBST(symbolic_link)
2960 AC_SUBST(thread_file)
2961 AC_SUBST(tm_file_list)
2962 AC_SUBST(tm_include_list)
2963 AC_SUBST(tm_defines)
2964 AC_SUBST(tm_p_file_list)
2965 AC_SUBST(tm_p_include_list)
2966 AC_SUBST(xm_file_list)
2967 AC_SUBST(xm_include_list)
2968 AC_SUBST(xm_defines)
2969 AC_SUBST(target_alias)
2970 AC_SUBST(c_target_objs)
2971 AC_SUBST(cxx_target_objs)
2972 AC_SUBST(target_cpu_default)
2974 AC_SUBST_FILE(language_hooks)
2976 # Echo that links are built
2977 if test x$host = x$target
2985 if test x$host != x$build
2987 str3=" on a $build system"
2990 if test "x$str2" != x || test "x$str3" != x
2995 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2997 if test "x$str2" != x || test "x$str3" != x
2999 echo " ${str2}${str3}." 1>&2
3002 # Configure the subdirectories
3003 # AC_CONFIG_SUBDIRS($subdirs)
3005 # Create the Makefile
3006 # and configure language subdirectories
3007 AC_OUTPUT($all_outputs,
3009 case x$CONFIG_HEADERS in
3010 xauto-host.h:config.in)
3013 # Make sure all the subdirs exist.
3016 test -d $d || mkdir $d
3018 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
3019 # bootstrapping and the installation procedure can still use
3020 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
3021 # FLAGS_TO_PASS has been modified to solve the problem there.
3022 # This is virtually a duplicate of what happens in configure.lang; we do
3023 # an extra check to make sure this only happens if ln -s can be used.
3024 if test "$symbolic_link" = "ln -s"; then
3025 for d in ${subdirs} fixinc ; do
3026 STARTDIR=`${PWDCMD-pwd}`
3028 for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include
3031 $symbolic_link ../$t $t 2>/dev/null
3038 symbolic_link='$symbolic_link'