2 # Process this file with autoconf to generate a configuration script.
4 # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003
5 # Free Software Foundation, Inc.
7 #This file is part of GCC.
9 #GCC is free software; you can redistribute it and/or modify it under
10 #the terms of the GNU General Public License as published by the Free
11 #Software Foundation; either version 2, or (at your option) any later
14 #GCC is distributed in the hope that it will be useful, but WITHOUT
15 #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19 #You should have received a copy of the GNU General Public License
20 #along with GCC; see the file COPYING. If not, write to the Free
21 #Software Foundation, 59 Temple Place - Suite 330, Boston, MA
24 # --------------------------------
25 # Initialization and sanity checks
26 # --------------------------------
30 AC_CONFIG_HEADER(auto-host.h:config.in)
32 # Determine the host, build, and target systems
35 # Determine the noncanonical target name, for directory use.
36 _GCC_TOPLEV_NONCANONICAL_TARGET
38 # Determine the target- and build-specific subdirectories
41 # Set program_transform_name
44 # Check for bogus environment variables.
45 # Test if LIBRARY_PATH contains the notation for the current directory
46 # since this would lead to problems installing/building glibc.
47 # LIBRARY_PATH contains the current directory if one of the following
49 # - one of the terminals (":" and ";") is the first or last sign
50 # - two terminals occur directly after each other
51 # - the path contains an element with a dot in it
52 AC_MSG_CHECKING(LIBRARY_PATH variable)
54 case ${LIBRARY_PATH} in
55 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
56 library_path_setting="contains current directory"
59 library_path_setting="ok"
63 AC_MSG_RESULT($library_path_setting)
64 if test "$library_path_setting" != "ok"; then
66 *** LIBRARY_PATH shouldn't contain the current directory when
67 *** building gcc. Please change the environment variable
68 *** and run configure again.])
71 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
72 # since this would lead to problems installing/building glibc.
73 # GCC_EXEC_PREFIX contains the current directory if one of the following
75 # - one of the terminals (":" and ";") is the first or last sign
76 # - two terminals occur directly after each other
77 # - the path contains an element with a dot in it
78 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
80 case ${GCC_EXEC_PREFIX} in
81 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
82 gcc_exec_prefix_setting="contains current directory"
85 gcc_exec_prefix_setting="ok"
89 AC_MSG_RESULT($gcc_exec_prefix_setting)
90 if test "$gcc_exec_prefix_setting" != "ok"; then
92 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
93 *** building gcc. Please change the environment variable
94 *** and run configure again.])
101 # Specify the local prefix
103 AC_ARG_WITH(local-prefix,
104 [ --with-local-prefix=DIR specifies directory to put local include],
105 [case "${withval}" in
106 yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
108 *) local_prefix=$with_local_prefix ;;
111 # Default local prefix if it is empty
112 if test x$local_prefix = x; then
113 local_prefix=/usr/local
116 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
117 # passed in by the toplevel make and thus we'd get different behavior
118 # depending on where we built the sources.
120 # Specify the g++ header file directory
121 AC_ARG_WITH(gxx-include-dir,
122 [ --with-gxx-include-dir=DIR
123 specifies directory to put g++ header files],
124 [case "${withval}" in
125 yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
127 *) gcc_gxx_include_dir=$with_gxx_include_dir ;;
130 if test x${gcc_gxx_include_dir} = x; then
131 if test x${enable_version_specific_runtime_libs} = xyes; then
132 gcc_gxx_include_dir='${libsubdir}/include/c++'
134 topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
135 changequote(<<, >>)dnl
136 gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
141 AC_ARG_WITH(cpp_install_dir,
142 [ --with-cpp-install-dir=DIR
143 install the user visible C preprocessor in DIR
144 (relative to PREFIX) as well as PREFIX/bin],
145 [if test x$withval = xyes; then
146 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
147 elif test x$withval != xno; then
148 cpp_install_dir=$withval
151 # We would like to our source tree to be readonly. However when releases or
152 # pre-releases are generated, the flex/bison generated files as well as the
153 # various formats of manuals need to be included along with the rest of the
154 # sources. Therefore we have --enable-generated-files-in-srcdir to do
157 AC_ARG_ENABLE(generated-files-in-srcdir,
158 [ --enable-generated-files-in-srcdir Put generated files in source dir],
159 [case ${enableval} in
160 no) parsedir='$(objdir)'; docobjdir='$(objdir)/doc';;
161 *) parsedir='$(srcdir)'; docobjdir='$(srcdir)/doc';;
163 [parsedir='$(objdir)'; docobjdir='$(objdir)/doc';])
165 # -------------------
166 # Find default linker
167 # -------------------
171 [ --with-gnu-ld arrange to work with GNU ld.],
172 gnu_ld_flag="$with_gnu_ld",
175 # With pre-defined ld
177 [ --with-ld arrange to use the specified ld (full pathname)],
178 DEFAULT_LINKER="$with_ld")
179 if test x"${DEFAULT_LINKER+set}" = x"set"; then
180 if test ! -x "$DEFAULT_LINKER"; then
181 AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
182 elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
185 AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
186 [Define to enable the use of a default linker.])
189 AC_MSG_CHECKING([whether a default linker was specified])
190 if test x"${DEFAULT_LINKER+set}" = x"set"; then
191 if test x"$gnu_ld_flag" = x"no"; then
192 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
194 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
200 # ----------------------
201 # Find default assembler
202 # ----------------------
206 [ --with-gnu-as arrange to work with GNU as],
207 gas_flag="$with_gnu_as",
211 [ --with-as arrange to use the specified as (full pathname)],
212 DEFAULT_ASSEMBLER="$with_as")
213 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
214 if test ! -x "$DEFAULT_ASSEMBLER"; then
215 AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
216 elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
219 AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
220 [Define to enable the use of a default assembler.])
223 AC_MSG_CHECKING([whether a default assembler was specified])
224 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
225 if test x"$gas_flag" = x"no"; then
226 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
228 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
238 # Find the native compiler
241 # autoconf is lame and doesn't give us any substitution variable for this.
242 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
243 NO_MINUS_C_MINUS_O=yes
245 OUTPUT_OPTION='-o $@'
247 AC_SUBST(NO_MINUS_C_MINUS_O)
248 AC_SUBST(OUTPUT_OPTION)
250 # -------------------------
251 # Check C compiler features
252 # -------------------------
254 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
255 ac_cv_prog_cc_no_long_long,
256 [save_CFLAGS="$CFLAGS"
257 CFLAGS="-Wno-long-long"
258 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
259 ac_cv_prog_cc_no_long_long=no)
260 CFLAGS="$save_CFLAGS"])
268 # sizeof(char) is 1 by definition.
269 AC_COMPILE_CHECK_SIZEOF(void *)
270 AC_COMPILE_CHECK_SIZEOF(short)
271 AC_COMPILE_CHECK_SIZEOF(int)
272 AC_COMPILE_CHECK_SIZEOF(long)
273 if test $ac_cv_c_long_long = yes; then
274 AC_COMPILE_CHECK_SIZEOF(long long)
276 if test $ac_cv_c___int64 = yes; then
277 AC_COMPILE_CHECK_SIZEOF(__int64)
284 # See if GNAT has been installed
287 # ---------------------
288 # Warnings and checking
289 # ---------------------
292 if test $ac_cv_prog_cc_no_long_long = yes ; then
293 strict1_warn="-pedantic -Wno-long-long"
295 AC_SUBST(strict1_warn)
297 # If the native compiler is GCC, we can enable warnings even in stage1.
298 # That's useful for people building cross-compilers, or just running a
301 if test "x$GCC" = "xyes"; then
302 warn_cflags='$(GCC_WARN_CFLAGS)'
304 AC_SUBST(warn_cflags)
306 # Enable -Werror in bootstrap stage2 and later.
307 # Change the default to "no" on release branches.
308 AC_ARG_ENABLE(werror,
309 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
311 if test x$enable_werror = xyes ; then
316 # Enable expensive internal checks
317 AC_ARG_ENABLE(checking,
318 [ --enable-checking[=LIST]
319 enable expensive run-time checks. With LIST,
320 enable only specific categories of checks.
321 Categories are: misc,tree,rtl,rtlflag,gc,gcac,fold;
322 default is misc,tree,gc,rtlflag],
328 ac_gc_always_collect=
330 case "${enableval}" in
331 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
332 ac_rtlflag_checking=1 ;;
334 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
335 set fnord $enableval; shift
340 misc) ac_checking=1 ;;
341 tree) ac_tree_checking=1 ;;
342 rtlflag) ac_rtlflag_checking=1 ;;
343 rtl) ac_rtl_checking=1 ;;
344 gc) ac_gc_checking=1 ;;
345 gcac) ac_gc_always_collect=1 ;;
346 fold) ac_fold_checking=1 ;;
347 valgrind) ac_checking_valgrind=1 ;;
348 *) AC_MSG_ERROR(unknown check category $check) ;;
354 # Enable some checks by default for development versions of GCC
355 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
357 if test x$ac_checking != x ; then
358 AC_DEFINE(ENABLE_CHECKING, 1,
359 [Define if you want more run-time sanity checks. This one gets a grab
360 bag of miscellaneous but relatively cheap checks.])
361 nocommon_flag=-fno-common
363 AC_SUBST(nocommon_flag)
364 if test x$ac_tree_checking != x ; then
365 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
366 [Define if you want all operations on trees (the basic data
367 structure of the front ends) to be checked for dynamic type safety
368 at runtime. This is moderately expensive.])
370 if test x$ac_rtl_checking != x ; then
371 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
372 [Define if you want all operations on RTL (the basic data structure
373 of the optimizer and back end) to be checked for dynamic type safety
374 at runtime. This is quite expensive.])
376 if test x$ac_rtlflag_checking != x ; then
377 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
378 [Define if you want RTL flag accesses to be checked against the RTL
379 codes that are supported for each access macro. This is relatively
382 if test x$ac_gc_checking != x ; then
383 AC_DEFINE(ENABLE_GC_CHECKING, 1,
384 [Define if you want the garbage collector to do object poisoning and
385 other memory allocation checks. This is quite expensive.])
387 if test x$ac_gc_always_collect != x ; then
388 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
389 [Define if you want the garbage collector to operate in maximally
390 paranoid mode, validating the entire heap and collecting garbage at
391 every opportunity. This is extremely expensive.])
393 if test x$ac_fold_checking != x ; then
394 AC_DEFINE(ENABLE_FOLD_CHECKING, 1,
395 [Define if you want fold checked that it never destructs its argument.
396 This is quite expensive.])
398 valgrind_path_defines=
401 dnl # This check AC_REQUIREs various stuff, so it *must not* be inside
402 dnl # an if statement. This was the source of very frustrating bugs
403 dnl # in converting to autoconf 2.5x!
404 AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
406 if test x$ac_checking_valgrind != x ; then
407 # It is certainly possible that there's valgrind but no valgrind.h.
408 # GCC relies on making annotations so we must have both.
409 AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>)
411 [#include <valgrind/memcheck.h>
412 #ifndef VALGRIND_DISCARD
413 #error VALGRIND_DISCARD not defined
415 [gcc_cv_header_valgrind_memcheck_h=yes],
416 [gcc_cv_header_valgrind_memcheck_h=no])
417 AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h)
418 AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
420 [#include <memcheck.h>
421 #ifndef VALGRIND_DISCARD
422 #error VALGRIND_DISCARD not defined
424 [gcc_cv_header_memcheck_h=yes],
425 gcc_cv_header_memcheck_h=no)
426 AC_MSG_RESULT($gcc_cv_header_memcheck_h)
427 AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
428 [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
429 if test "x$valgrind_path" = "x" \
430 || (test $have_valgrind_h = no \
431 && test $gcc_cv_header_memcheck_h = no \
432 && test $gcc_cv_header_valgrind_memcheck_h = no); then
433 AC_MSG_ERROR([*** Can't find both valgrind and valgrind/memcheck.h, memcheck.h or valgrind.h])
435 valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
436 valgrind_command="$valgrind_path -q"
437 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
438 [Define if you want to run subprograms and generated programs
439 through valgrind (a memory checker). This is extremely expensive.])
440 if test $gcc_cv_header_valgrind_memcheck_h = yes; then
441 AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1,
442 [Define if valgrind's valgrind/memcheck.h header is installed.])
444 if test $gcc_cv_header_memcheck_h = yes; then
445 AC_DEFINE(HAVE_MEMCHECK_H, 1,
446 [Define if valgrind's memcheck.h header is installed.])
449 AC_SUBST(valgrind_path_defines)
450 AC_SUBST(valgrind_command)
452 # Enable code coverage collection
453 AC_ARG_ENABLE(coverage,
454 [ --enable-coverage[=LEVEL]
455 enable compiler\'s code coverage collection.
456 Use to measure compiler performance and locate
457 unused parts of the compiler. With LEVEL, specify
458 optimization. Values are opt, noopt,
460 [case "${enableval}" in
462 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0"
465 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2"
468 AC_MSG_ERROR(unknown coverage setting $enableval)
472 AC_SUBST(coverage_flags)
474 # -------------------------------
475 # Miscenalleous configure options
476 # -------------------------------
480 [ --with-stabs arrange to use stabs instead of host debug format],
484 # Determine whether or not multilibs are enabled.
485 AC_ARG_ENABLE(multilib,
486 [ --enable-multilib enable library support for multiple ABIs],
487 [], [enable_multilib=yes])
488 AC_SUBST(enable_multilib)
490 # Enable __cxa_atexit for C++.
491 AC_ARG_ENABLE(__cxa_atexit,
492 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
496 # Pass with no value to take the default
497 # Pass with a value to specify a thread package
498 AC_ARG_ENABLE(threads,
499 [ --enable-threads enable thread usage for target GCC
500 --enable-threads=LIB use LIB thread package for target GCC],,
502 # Save in case it gets overwritten in config.gcc
503 enable_threads_flag=$enable_threads
505 AC_ARG_ENABLE(objc-gc,
506 [ --enable-objc-gc enable the use of Boehm's garbage collector with
507 the GNU Objective-C runtime],
508 if test x$enable_objc_gc = xno; then
516 [ --with-dwarf2 force the default debug format to be DWARF 2],
517 dwarf2="$with_dwarf2",
520 AC_ARG_ENABLE(shared,
521 [ --disable-shared don't provide a shared libgcc],
523 case $enable_shared in
527 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
528 for pkg in $enableval; do
529 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
536 ], [enable_shared=yes])
537 AC_SUBST(enable_shared)
540 [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
542 case ${with_sysroot} in
543 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_noncanonical}/sys-root' ;;
544 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
547 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
548 CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
550 if test "x$exec_prefix" = xNONE; then
551 if test "x$prefix" = xNONE; then
552 test_prefix=/usr/local
557 test_prefix=$exec_prefix
559 case ${TARGET_SYSTEM_ROOT} in
560 "${test_prefix}"|"${test_prefix}/"*|\
561 '${exec_prefix}'|'${exec_prefix}/'*)
562 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
563 TARGET_SYSTEM_ROOT_DEFINE="$t"
568 TARGET_SYSTEM_ROOT_DEFINE=
569 CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include'
571 AC_SUBST(TARGET_SYSTEM_ROOT)
572 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
573 AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
575 # Build with intermodule optimisations
576 AC_ARG_ENABLE(intermodule,
577 [ --enable-intermodule build the compiler in one step],
578 [case ${enable_intermodule} in
579 yes) onestep="-onestep";;
585 # -------------------------
586 # Checks for other programs
587 # -------------------------
591 # Find some useful tools
593 # We need awk to run opts.sh (to create options.c and options.h).
594 # Bail out if it's missing.
596 "") AC_MSG_ERROR([can't build without awk, bailing out]) ;;
604 # See if cmp has --ignore-initial.
605 gcc_AC_PROG_CMP_IGNORE_INITIAL
607 # See if we have the mktemp command.
608 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
610 # Do we have a single-tree copy of texinfo?
611 if test -f $srcdir/../texinfo/Makefile.in; then
612 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
613 gcc_cv_prog_makeinfo_modern=yes
614 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
616 # See if makeinfo has been installed and is modern enough
617 # that we can use it.
618 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
619 [GNU texinfo.* \([0-9][0-9.]*\)],
623 if test $gcc_cv_prog_makeinfo_modern = no; then
625 *** Makeinfo is missing or too old.
626 *** Info documentation will not be built.])
629 BUILD_INFO=info AC_SUBST(BUILD_INFO)
632 # Is pod2man recent enough to regenerate manpages?
633 AC_MSG_CHECKING([for recent Pod::Man])
634 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
636 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
643 dnl Don't use AC_PROG_LEX; we insist on flex.
644 dnl LEXLIB is not useful in gcc.
645 if test -f $srcdir/../flex/skel.c; then
646 FLEX='$(objdir)/../flex/flex'
648 AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
652 # The -L switch is so bison can find its skeleton file.
653 if test -f $srcdir/../bison/bison.simple; then
654 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
656 AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
659 # --------------------
660 # Checks for C headers
661 # --------------------
663 AC_MSG_CHECKING(for GNU C library)
664 AC_CACHE_VAL(gcc_cv_glibc,
666 [#include <features.h>],[
667 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
668 #error Not a GNU C library system
672 AC_MSG_RESULT($gcc_cv_glibc)
673 if test $gcc_cv_glibc = yes; then
674 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
679 gcc_AC_HEADER_STDBOOL
682 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
683 fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \
684 sys/resource.h sys/param.h sys/times.h sys/stat.h \
685 direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h)
687 # Check for thread headers.
688 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
689 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
691 # These tests can't be done till we know if we have limits.h.
699 # Stage specific cflags for build.
705 stage1_cflags="-Wa,-J"
711 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
712 # sources; use -no-cpp-precomp to get to GNU cpp.
713 # Apple's GCC has bugs in designated initializer handling, so disable
715 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
718 AC_SUBST(stage1_cflags)
720 # These libraries may be used by collect2.
721 # We may need a special search path to get them linked.
722 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
724 for libs in '' -lld -lmld \
725 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
726 '-L/usr/lib/cmplrs/cc3.11 -lmld'
729 AC_TRY_LINK_FUNC(ldopen,
730 [gcc_cv_collect2_libs="$libs"; break])
733 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
734 case $gcc_cv_collect2_libs in
736 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
738 AC_SUBST(COLLECT2_LIBS)
740 # When building Ada code on Alpha, we need exc_resume which is usually in
741 # -lexc. So test for it.
744 AC_SEARCH_LIBS(exc_resume, exc)
747 AC_SUBST(GNAT_LIBEXC)
749 # Some systems put ldexp and frexp in libm instead of libc; assume
750 # they're both in the same place. jcf-dump needs them.
753 AC_SEARCH_LIBS(ldexp, m)
758 # Use <inttypes.h> only if it exists,
759 # doesn't clash with <sys/types.h>, and declares intmax_t.
760 AC_MSG_CHECKING(for inttypes.h)
761 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
763 [#include <sys/types.h>
764 #include <inttypes.h>],
766 [gcc_cv_header_inttypes_h=yes],
767 gcc_cv_header_inttypes_h=no)])
768 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
769 if test $gcc_cv_header_inttypes_h = yes; then
770 AC_DEFINE(HAVE_INTTYPES_H, 1,
771 [Define if you have a working <inttypes.h> header file.])
774 dnl Disabled until we have a complete test for buggy enum bitfields.
775 dnl gcc_AC_C_ENUM_BF_UNSIGNED
777 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
778 sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
779 fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \
780 scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore \
783 if test x$ac_cv_func_mbstowcs = xyes; then
784 AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
785 [ AC_TRY_RUN([#include <stdlib.h>
791 gcc_cv_func_mbstowcs_works=yes,
792 gcc_cv_func_mbstowcs_works=no,
793 gcc_cv_func_mbstowcs_works=yes)])
794 if test x$gcc_cv_func_mbstowcs_works = xyes; then
795 AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1,
796 [Define this macro if mbstowcs does not crash when its
797 first argument is NULL.])
801 AC_CHECK_TYPE(ssize_t, int)
803 # Try to determine the array type of the second argument of getgroups
804 # for the target system (int or gid_t).
806 if test "${target}" = "${build}"; then
807 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
810 # This condition may need some tweaking. It should include all
811 # targets where the array type of the second argument of getgroups
812 # is int and the type of gid_t is not equivalent to int.
813 *-*-sunos* | *-*-ultrix*)
814 TARGET_GETGROUPS_T=int
817 TARGET_GETGROUPS_T=gid_t
821 AC_SUBST(TARGET_GETGROUPS_T)
823 gcc_AC_FUNC_PRINTF_PTR
824 gcc_AC_FUNC_MMAP_BLACKLIST
828 # Under VMS, vfork works very differently than on Unix. The standard test
829 # won't work, and it isn't easily adaptable. It makes more sense to
831 ac_cv_func_vfork_works=yes
837 # Until we have in-tree GNU iconv:
839 AC_SUBST(LIBICONV_DEP)
843 # We will need to find libiberty.h and ansidecl.h
844 saved_CFLAGS="$CFLAGS"
845 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
846 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
847 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
848 fprintf_unlocked strstr errno snprintf vasprintf \
849 malloc realloc calloc free basename getopt clock, , ,[
850 #include "ansidecl.h"
851 #include "system.h"])
853 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
854 #include "ansidecl.h"
856 #ifdef HAVE_SYS_RESOURCE_H
857 #include <sys/resource.h>
862 #include "ansidecl.h"
864 #ifdef HAVE_SYS_RESOURCE_H
865 #include <sys/resource.h>
867 ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long],
868 [Define to \`long' if <sys/resource.h> doesn't define.])])
870 gcc_AC_CHECK_DECLS(ldgetname, , ,[
871 #include "ansidecl.h"
878 gcc_AC_CHECK_DECLS(times, , ,[
879 #include "ansidecl.h"
881 #ifdef HAVE_SYS_TIMES_H
882 #include <sys/times.h>
886 # More time-related stuff.
887 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
889 #include "ansidecl.h"
891 #ifdef HAVE_SYS_TIMES_H
892 #include <sys/times.h>
894 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
895 if test $ac_cv_struct_tms = yes; then
896 AC_DEFINE(HAVE_STRUCT_TMS, 1,
897 [Define if <sys/times.h> defines struct tms.])
900 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
901 # revisit after autoconf 2.50.
902 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
904 #include "ansidecl.h"
906 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
907 if test $gcc_cv_type_clock_t = yes; then
908 AC_DEFINE(HAVE_CLOCK_T, 1,
909 [Define if <time.h> defines clock_t.])
912 AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
914 #include "ansidecl.h"
917 [if ((uchar *)0) return 0;
918 if (sizeof(uchar)) return 0;],
919 ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
920 if test $ac_cv_type_uchar = yes; then
921 AC_DEFINE(HAVE_UCHAR, 1,
922 [Define if <sys/types.h> defines \`uchar'.])
925 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
926 CFLAGS="$saved_CFLAGS"
928 gcc_AC_INITFINI_ARRAY
930 # mkdir takes a single argument on some systems.
931 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
939 # With Setjmp/Longjmp based exception handling.
940 AC_ARG_ENABLE(sjlj-exceptions,
941 [ --enable-sjlj-exceptions
942 arrange to use setjmp/longjmp exception handling],
943 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
944 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
945 [Define 0/1 to force the choice for exception handling model.])])
947 if test x$host = x$target; then
948 AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
950 use_libunwind_default=no
952 # Use libunwind based exception handling.
953 AC_ARG_ENABLE(libunwind-exceptions,
954 [ --enable-libunwind-exceptions force use libunwind for exceptions],
955 use_libunwind_exceptions=$enableval,
956 use_libunwind_exceptions=$use_libunwind_default)
957 if test x"$use_libunwind_exceptions" = xyes; then
958 AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
959 [Define if gcc should use -lunwind.])
962 # --------------------------------------------------------
963 # Build, host, and target specific configuration fragments
964 # --------------------------------------------------------
966 # Collect build-machine-specific information.
967 . ${srcdir}/config.build
969 # Collect host-machine-specific information.
970 . ${srcdir}/config.host
974 # Collect target-machine-specific information.
975 . ${srcdir}/config.gcc
977 extra_objs="${host_extra_objs} ${extra_objs}"
979 # Default the target-machine variables that were not explicitly set.
980 if test x"$tm_file" = x
981 then tm_file=$cpu_type/$cpu_type.h; fi
983 if test x"$extra_headers" = x
984 then extra_headers=; fi
986 if test x$md_file = x
987 then md_file=$cpu_type/$cpu_type.md; fi
989 if test x$out_file = x
990 then out_file=$cpu_type/$cpu_type.c; fi
992 if test x"$tmake_file" = x
993 then tmake_file=$cpu_type/t-$cpu_type
996 if test x"$dwarf2" = xyes
997 then tm_file="$tm_file tm-dwarf2.h"
1000 # Say what files are being used for the output code and MD file.
1001 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
1002 echo "Using \`$srcdir/config/$md_file' as machine description file."
1004 # If any of the xm_file variables contain nonexistent files, warn
1005 # about them and drop them.
1008 for x in $build_xm_file; do
1009 if test -f $srcdir/config/$x
1011 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1017 for x in $host_xm_file; do
1018 if test -f $srcdir/config/$x
1020 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1026 for x in $xm_file; do
1027 if test -f $srcdir/config/$x
1029 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1035 for f in $tm_file; do
1038 if test $count = ax; then
1039 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
1041 echo "Using the following target machine macro files:"
1042 for f in $tm_file; do
1043 echo " $srcdir/config/$f"
1047 if test x$need_64bit_hwint = xyes; then
1048 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
1049 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
1053 for f in $host_xm_file; do
1056 if test $count = a; then
1058 elif test $count = ax; then
1059 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
1061 echo "Using the following host machine macro files:"
1062 for f in $host_xm_file; do
1063 echo " $srcdir/config/$f"
1066 echo "Using ${out_host_hook_obj} for host machine hooks."
1068 if test "$host_xm_file" != "$build_xm_file"; then
1070 for f in $build_xm_file; do
1073 if test $count = a; then
1075 elif test $count = ax; then
1076 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
1078 echo "Using the following build machine macro files:"
1079 for f in $build_xm_file; do
1080 echo " $srcdir/config/$f"
1085 # Check if a valid thread package
1086 case ${enable_threads_flag} in
1089 target_thread_file='single'
1093 target_thread_file='single'
1095 aix | dce | gnat | irix | posix | rtems | \
1096 single | solaris | vxworks | win32 )
1097 target_thread_file=${enable_threads_flag}
1100 echo "${enable_threads_flag} is an unknown thread package" 1>&2
1105 if test x${thread_file} = x; then
1106 # No thread file set by target-specific clauses in config.gcc,
1107 # so use file chosen by default logic above
1108 thread_file=${target_thread_file}
1111 if test x$enable___cxa_atexit = xyes || \
1112 test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
1113 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
1114 [Define if you want to use __cxa_atexit, rather than atexit, to
1115 register C++ destructors for local statics and global objects.
1116 This is essential for fully standards-compliant handling of
1117 destructors, but requires __cxa_atexit in libc.])
1120 # Look for a file containing extra machine modes.
1121 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
1122 extra_modes_file='$(srcdir)'/config/${extra_modes}
1123 AC_SUBST(extra_modes_file)
1124 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "config/$extra_modes",
1125 [Define to the name of a file containing a list of extra machine modes
1126 for this architecture.])
1129 # auto-host.h is the file containing items generated by autoconf and is
1130 # the first file included by config.h.
1131 # If host=build, it is correct to have bconfig include auto-host.h
1132 # as well. If host!=build, we are in error and need to do more
1133 # work to find out the build config parameters.
1134 if test x$host = x$build
1136 build_auto=auto-host.h
1139 # We create a subdir, then run autoconf in the subdir.
1140 # To prevent recursion we set host and build for the new
1141 # invocation of configure to the build for this invocation
1148 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
1149 *) realsrcdir=../${srcdir};;
1151 saved_CFLAGS="${CFLAGS}"
1152 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
1153 ${realsrcdir}/configure \
1154 --target=$target_alias --host=$build_alias --build=$build_alias
1155 CFLAGS="${saved_CFLAGS}"
1157 # We just finished tests for the build machine, so rename
1158 # the file auto-build.h in the gcc directory.
1159 mv auto-host.h ../auto-build.h
1162 build_auto=auto-build.h
1163 FORBUILD=../${build_subdir}
1167 tm_file="${tm_file} defaults.h"
1168 tm_p_file="${tm_p_file} tm-preds.h"
1169 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1170 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1171 # We don't want ansidecl.h in target files, write code there in ISO/GNU C.
1172 # put this back in temporarily.
1173 xm_file="ansidecl.h ${xm_file}"
1179 # Get the version trigger filename from the toplevel
1180 if test "${with_gcc_version_trigger+set}" = set; then
1181 gcc_version_trigger=$with_gcc_version_trigger
1183 gcc_version_trigger=${srcdir}/version.c
1186 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
1187 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1189 # Compile in configure arguments.
1190 if test -f configargs.h ; then
1191 # Being re-configured.
1192 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1193 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1195 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1198 # Double all backslashes and backslash all quotes to turn
1199 # gcc_config_arguments into a C string.
1200 sed -e 's/\\/\\\\/g; s/"/\\"/g' <<EOF >conftest.out
1201 $gcc_config_arguments
1203 gcc_config_arguments_str=`cat conftest.out`
1206 cat > configargs.h <<EOF
1207 /* Generated automatically. */
1208 static const char configuration_arguments[] = "$gcc_config_arguments_str";
1209 static const char thread_model[] = "$thread_file";
1211 static const struct {
1212 const char *name, *value;
1213 } configure_default_options[] = $configure_default_options;
1217 # Internationalization
1219 VERSION="$gcc_version"
1223 ZW_GNU_GETTEXT_SISTER_DIR
1225 # If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get
1226 # -liconv on the link line twice.
1227 case "$LIBINTL" in *$LIBICONV*)
1231 # Windows32 Registry support for specifying GCC installation paths.
1232 AC_ARG_ENABLE(win32-registry,
1233 [ --disable-win32-registry
1234 disable lookup of installation paths in the
1235 Registry on Windows hosts
1236 --enable-win32-registry enable registry lookup (default)
1237 --enable-win32-registry=KEY
1238 use KEY instead of GCC version as the last portion
1239 of the registry key],,)
1241 win32 | pe | cygwin* | mingw32* | uwin*)
1242 AC_MSG_CHECKING(whether windows registry support is requested)
1243 if test "x$enable_win32_registry" != xno; then
1244 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1245 [Define to 1 if installation paths should be looked up in Windows32
1246 Registry. Ignored on non windows32 hosts.])
1248 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
1253 # Check if user specified a different registry key.
1254 case "x${enable_win32_registry}" in
1257 gcc_cv_win32_registry_key="$VERSION"
1260 # no registry lookup.
1261 gcc_cv_win32_registry_key=''
1264 # user-specified key.
1265 gcc_cv_win32_registry_key="$enable_win32_registry"
1269 if test "x$enable_win32_registry" != xno; then
1270 AC_MSG_CHECKING(registry key on windows hosts)
1271 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
1272 [Define to be the last portion of registry key on windows hosts.])
1273 AC_MSG_RESULT($gcc_cv_win32_registry_key)
1278 # Get an absolute path to the GCC top-level source directory
1279 holddir=`${PWDCMD-pwd}`
1281 topdir=`${PWDCMD-pwd}`
1284 # Conditionalize the makefile for this host machine.
1286 for f in ${host_xmake_file}
1288 if test -f ${srcdir}/config/$f
1290 xmake_file="${xmake_file} \$(srcdir)/config/$f"
1294 # Conditionalize the makefile for this target machine.
1296 for f in ${tmake_file}
1298 if test -f ${srcdir}/config/$f
1300 tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
1303 tmake_file="${tmake_file_}"
1305 symbolic_link='ln -s'
1307 # If the host doesn't support symlinks, modify CC in
1308 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1309 # Otherwise, we can use "CC=$(CC)".
1311 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1313 cc_set_by_configure="\$(CC)"
1314 quoted_cc_set_by_configure="\$(CC)"
1315 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1316 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1319 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1321 symbolic_link="cp -p"
1325 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1326 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1327 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1328 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1332 out_object_file=`basename $out_file .c`.o
1336 for f in $tm_file; do
1339 tm_file_list="${tm_file_list} \$(srcdir)/$f"
1340 tm_include_list="${tm_include_list} $f"
1343 tm_file_list="${tm_file_list} \$(srcdir)/config/$f"
1344 tm_include_list="${tm_include_list} config/$f"
1351 for f in $tm_p_file; do
1354 tm_p_file_list="${tm_p_file_list} $f"
1355 tm_p_include_list="${tm_p_include_list} $f"
1358 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1359 tm_p_include_list="${tm_p_include_list} config/$f"
1365 for f in $xm_file; do
1368 xm_file_list="${xm_file_list} \$(srcdir)/../include/$f"
1369 xm_include_list="${xm_include_list} $f"
1372 xm_file_list="${xm_file_list} $f"
1373 xm_include_list="${xm_include_list} $f"
1376 xm_file_list="${xm_file_list} \$(srcdir)/config/$f"
1377 xm_include_list="${xm_include_list} config/$f"
1383 host_xm_include_list=
1384 for f in $host_xm_file; do
1387 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f"
1388 host_xm_include_list="${host_xm_include_list} $f"
1391 host_xm_file_list="${host_xm_file_list} $f"
1392 host_xm_include_list="${host_xm_include_list} $f"
1395 host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f"
1396 host_xm_include_list="${host_xm_include_list} config/$f"
1402 for f in $build_xm_file; do
1405 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f"
1406 build_xm_include_list="${build_xm_include_list} $f"
1408 auto-build.h | auto-host.h )
1409 build_xm_file_list="${build_xm_file_list} $f"
1410 build_xm_include_list="${build_xm_include_list} $f"
1413 build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f"
1414 build_xm_include_list="${build_xm_include_list} config/$f"
1419 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1420 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1421 CROSS= AC_SUBST(CROSS)
1422 ALL=all.internal AC_SUBST(ALL)
1423 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1424 if test x$host != x$target
1426 CROSS="-DCROSS_COMPILE"
1428 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1429 case "$host","$target" in
1430 # Darwin crosses can use the host system's libraries and headers,
1431 # because of the fat library support. Of course, it must be the
1432 # same version of Darwin on both sides. Allow the user to
1433 # just say --target=foo-darwin without a version number to mean
1434 # "the version on this system".
1435 *-*-darwin*,*-*-darwin*)
1436 hostos=`echo $host | sed 's/.*-darwin/darwin/'`
1437 targetos=`echo $target | sed 's/.*-darwin/darwin/'`
1438 if test $hostos = $targetos -o $targetos = darwin ; then
1440 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
1445 i?86-*-*,x86_64-*-* \
1446 | powerpc*-*-*,powerpc64*-*-*)
1447 CROSS="$CROSS -DNATIVE_CROSS" ;;
1449 elif test "x$TARGET_SYSTEM_ROOT" != x; then
1450 # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)
1451 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1454 # If this is a cross-compiler that does not
1455 # have its own set of headers then define
1458 # If this is using newlib, without having the headers available now,
1459 # then define inhibit_libc in LIBGCC2_CFLAGS.
1460 # This prevents libgcc2 from containing any code which requires libc
1463 if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
1464 test x$with_newlib = xyes ; } &&
1465 { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then
1466 inhibit_libc=-Dinhibit_libc
1468 AC_SUBST(inhibit_libc)
1470 # When building gcc with a cross-compiler, we need to adjust things so
1471 # that the generator programs are still built with the native compiler.
1472 # Also, we cannot run fixincludes or fix-header.
1474 # These are the normal (build=host) settings:
1475 BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
1476 BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
1477 CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD)
1478 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1480 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1482 # Possibly disable fixproto, on a per-target basis.
1483 case ${use_fixproto} in
1488 STMP_FIXPROTO=stmp-fixproto
1491 AC_SUBST(STMP_FIXPROTO)
1493 # And these apply if build != host, or we are generating coverage data
1494 if test x$build != x$host || test "x$coverage_flags" != x
1497 BUILD_PREFIX_1=build-
1498 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
1500 if test "x$TARGET_SYSTEM_ROOT" = x; then
1506 # Expand extra_headers to include complete path.
1507 # This substitutes for lots of t-* files.
1509 # Prepend $(srcdir)/config/${cpu_type}/ to every entry in extra_headers.
1510 for file in ${extra_headers} ; do
1511 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1514 # Add a definition of USE_COLLECT2 if system wants one.
1515 case $use_collect2 in
1516 no) use_collect2= ;;
1519 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1520 xm_defines="${xm_defines} USE_COLLECT2"
1524 # Identify the assembler which will work hand-in-glove with the newly
1525 # built GCC, so that we can examine its features. This is the assembler
1526 # which will be driven by the driver program.
1528 # If build != host, and we aren't building gas in-tree, we identify a
1529 # build->target assembler and hope that it will have the same features
1530 # as the host->target assembler we'll be using.
1531 AC_MSG_CHECKING(what assembler to use)
1534 gcc_cv_gas_major_version=
1535 gcc_cv_gas_minor_version=
1536 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1537 if test -x "$DEFAULT_ASSEMBLER"; then
1538 gcc_cv_as="$DEFAULT_ASSEMBLER"
1539 elif test -x "$AS"; then
1541 elif test -x as$host_exeext; then
1542 # Build using assembler in the current directory.
1543 gcc_cv_as=./as$host_exeext
1544 elif test -f $gcc_cv_as_gas_srcdir/configure.in \
1545 && test -f ../gas/Makefile; then
1546 # Single tree build which includes gas.
1548 _gcc_COMPUTE_GAS_VERSION
1549 rm -f as$host_exeext
1550 $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1551 in_tree_gas_is_elf=no
1552 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1553 || (grep 'obj_format = multi' ../gas/Makefile \
1554 && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null
1556 in_tree_gas_is_elf=yes
1560 if test "x$gcc_cv_as" = x; then
1561 # Search the same directories that the installed compiler will
1562 # search. Else we may find the wrong assembler and lose. If we
1563 # do not find a suitable assembler binary, then try the user's
1566 # Also note we have to check MD_EXEC_PREFIX before checking the
1567 # user's path. Unfortunately, there is no good way to get at the
1568 # value of MD_EXEC_PREFIX here. So we do a brute force search
1569 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1570 # to be fixed as part of the make/configure rewrite too.
1572 if test "x$exec_prefix" = xNONE; then
1573 if test "x$prefix" = xNONE; then
1574 test_prefix=/usr/local
1579 test_prefix=$exec_prefix
1582 # If the loop below does not find an assembler, then use whatever
1583 # one we can find in the users's path.
1585 if test "x$program_prefix" != xNONE; then
1586 gcc_cv_as=${program_prefix}as$host_exeext
1588 gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
1591 test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \
1592 $test_prefix/lib/gcc-lib/$target_noncanonical \
1593 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1594 /usr/lib/gcc/$target_noncanonical \
1595 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1596 $test_prefix/$target_noncanonical/bin"
1598 if test x$host = x$target; then
1599 test_dirs="$test_dirs \
1604 /bsd43/usr/lib/cmplrs/cc \
1605 /usr/cross64/usr/bin \
1606 /usr/lib/cmplrs/cc \
1607 /sysv/usr/lib/cmplrs/cc \
1608 /svr4/usr/lib/cmplrs/cc \
1612 for dir in $test_dirs; do
1613 if test -x $dir/as$host_exeext; then
1614 gcc_cv_as=$dir/as$host_exeext
1619 case $in_tree_gas in
1621 AC_MSG_RESULT("newly built gas")
1624 AC_MSG_RESULT($gcc_cv_as)
1628 # Identify the linker which will work hand-in-glove with the newly
1629 # built GCC, so that we can examine its features. This is the linker
1630 # which will be driven by the driver program.
1632 # If build != host, and we aren't building gas in-tree, we identify a
1633 # build->target linker and hope that it will have the same features
1634 # as the host->target linker we'll be using.
1635 AC_MSG_CHECKING(what linker to use)
1638 gcc_cv_gld_major_version=
1639 gcc_cv_gld_minor_version=
1640 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1641 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1642 if test -x "$DEFAULT_LINKER"; then
1643 gcc_cv_ld="$DEFAULT_LINKER"
1644 elif test -x "$LD"; then
1646 elif test -x collect-ld$host_exeext; then
1647 # Build using linker in the current directory.
1648 gcc_cv_ld=./collect-ld$host_exeext
1649 elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
1650 && test -f ../ld/Makefile; then
1651 # Single tree build which includes ld.
1653 in_tree_ld_is_elf=no
1654 if (grep 'EMUL = .*elf' ../ld/Makefile \
1655 || grep 'EMUL = .*linux' ../ld/Makefile) > /dev/null; then
1656 in_tree_ld_is_elf=yes
1658 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
1661 gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1663 if test x$gcc_cv_gld_version != x; then
1668 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1669 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1671 rm -f collect-ld$host_exeext
1672 $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \
1676 if test "x$gcc_cv_ld" = x; then
1677 # Search the same directories that the installed compiler will
1678 # search. Else we may find the wrong linker and lose. If we
1679 # do not find a suitable linker binary, then try the user's
1682 # Also note we have to check MD_EXEC_PREFIX before checking the
1683 # user's path. Unfortunately, there is no good way to get at the
1684 # value of MD_EXEC_PREFIX here. So we do a brute force search
1685 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1686 # to be fixed as part of the make/configure rewrite too.
1688 if test "x$exec_prefix" = xNONE; then
1689 if test "x$prefix" = xNONE; then
1690 test_prefix=/usr/local
1695 test_prefix=$exec_prefix
1698 # If the loop below does not find an linker, then use whatever
1699 # one we can find in the users's path.
1701 if test "x$program_prefix" != xNONE; then
1702 gcc_cv_ld=${program_prefix}ld$host_exeext
1704 gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
1707 test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \
1708 $test_prefix/lib/gcc-lib/$target_noncanonical \
1709 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1710 /usr/lib/gcc/$target_noncanonical \
1711 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1712 $test_prefix/$target_noncanonical/bin"
1714 if test x$host = x$target; then
1715 test_dirs="$test_dirs \
1720 /bsd43/usr/lib/cmplrs/cc \
1721 /usr/cross64/usr/bin \
1722 /usr/lib/cmplrs/cc \
1723 /sysv/usr/lib/cmplrs/cc \
1724 /svr4/usr/lib/cmplrs/cc \
1728 for dir in $test_dirs; do
1729 if test -x $dir/ld$host_exeext; then
1730 gcc_cv_ld=$dir/ld$host_exeext
1737 AC_MSG_RESULT("newly built ld")
1740 AC_MSG_RESULT($gcc_cv_ld)
1744 # Figure out what nm we will be using.
1745 gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
1746 AC_MSG_CHECKING(what nm to use)
1748 if test -x nm$host_exeext; then
1749 gcc_cv_nm=./nm$host_exeext
1750 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1751 && test -f ../binutils/Makefile; then
1752 # Single tree build which includes binutils.
1754 gcc_cv_nm=./nm$host_exeext
1755 rm -f nm$host_exeext
1756 $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1757 elif test "x$program_prefix" != xNONE; then
1758 gcc_cv_nm=${program_prefix}nm$host_exeext
1760 gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
1763 yes) AC_MSG_RESULT("newly built nm") ;;
1764 no) AC_MSG_RESULT($gcc_cv_nm) ;;
1767 # Figure out what objdump we will be using.
1768 AC_MSG_CHECKING(what objdump to use)
1770 if test -x objdump$host_exeext; then
1771 gcc_cv_objdump=./objdump$host_exeext
1772 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1773 && test -f ../binutils/Makefile; then
1774 # Single tree build which includes binutils.
1776 gcc_cv_objdump=./objdump$host_exeext
1777 rm -f objdump$host_exeext
1778 $symbolic_link ../binutils/objdump$host_exeext \
1779 objdump$host_exeext 2>/dev/null
1780 elif test "x$program_prefix" != xNONE; then
1781 gcc_cv_objdump=${program_prefix}objdump$host_exeext
1783 gcc_cv_objdump=`echo objdump | \
1784 sed ${program_transform_name}`$host_exeext
1786 case $in_tree_objdump in
1787 yes) AC_MSG_RESULT("newly built objdump") ;;
1788 no) AC_MSG_RESULT($gcc_cv_objdump) ;;
1791 # Figure out what assembler alignment features are present.
1792 gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align,
1796 [AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1,
1797 [Define if your assembler supports .balign and .p2align.])])
1799 gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align,
1802 [AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1,
1803 [Define if your assembler supports specifying the maximum number
1804 of bytes to skip when using the GAS .p2align command.])])
1806 gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1,
1808 [conftest_label1: .word 0
1810 conftest_label2: .word 0
1812 [if test x$gcc_cv_nm != x; then
1813 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1814 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1815 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1
1817 else gcc_cv_as_subsection_m1=yes
1819 rm -f conftest.nm1 conftest.nm2
1821 [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1822 [Define if your assembler supports .subsection and .subsection -1 starts
1823 emitting at the beginning of your section.])])
1825 gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak,
1828 [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])])
1830 # .hidden needs to be supported in both the assembler and the linker,
1831 # because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
1832 # This is irritatingly difficult to feature test for; we have to check the
1833 # date string after the version number. If we've got an in-tree
1834 # ld, we don't know its patchlevel version, so we set the baseline at 2.13
1836 # The gcc_GAS_CHECK_FEATURE call just sets a cache variable.
1837 gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden,
1842 AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden,
1843 [if test $in_tree_ld = yes ; then
1845 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \
1846 && test $in_tree_ld_is_elf = yes; then
1847 gcc_cv_ld_hidden=yes
1850 gcc_cv_ld_hidden=yes
1851 ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
1852 if echo "$ld_ver" | grep GNU > /dev/null; then
1854 ld_vers=`echo $ld_ver | sed -n \
1855 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1856 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1857 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
1858 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
1859 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
1860 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
1861 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
1862 if test 0"$ld_date" -lt 20020404; then
1863 if test -n "$ld_date"; then
1864 # If there was date string, but was earlier than 2002-04-04, fail
1866 elif test -z "$ld_vers"; then
1867 # If there was no date string nor ld version number, something is wrong
1870 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
1871 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
1872 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
1873 test -z "$ld_vers_patch" && ld_vers_patch=0
1874 if test "$ld_vers_major" -lt 2; then
1876 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
1877 gcc_cv_ld_hidden="no"
1878 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then
1885 # non-GNU linkers don't seem to support .hidden yet
1889 libgcc_visibility=no
1890 AC_SUBST(libgcc_visibility)
1891 if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then
1892 libgcc_visibility=yes
1893 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1894 [Define if your assembler and linker support .hidden.])
1897 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1898 gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128,
1906 [# GAS versions before 2.11 do not support uleb128,
1907 # despite appearing to.
1908 # ??? There exists an elf-specific test that will crash
1909 # the assembler. Perhaps it's better to figure out whether
1910 # arbitrary sections are supported and try the test.
1911 as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q`
1912 if echo "$as_ver" | grep GNU > /dev/null; then
1914 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1915 as_major=`echo $as_ver | sed 's/\..*//'`
1916 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1918 if test $as_major -eq 2 && test $as_minor -lt 11
1920 else gcc_cv_as_leb128=yes
1923 [AC_DEFINE(HAVE_AS_LEB128, 1,
1924 [Define if your assembler supports .sleb128 and .uleb128.])])
1926 # GAS versions up to and including 2.11.0 may mis-optimize
1928 gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame,
1936 .section .eh_frame,"aw",@progbits
1938 .4byte .LECIE1-.LSCIE1
1952 .4byte .LEFDE1-.LASFDE1
1954 .4byte .LASFDE1-__FRAME_BEGIN__
1962 [ dnl # For autoconf 2.5x, must protect trailing spaces with @&t@.
1963 cat > conftest.lit <<EOF
1964 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1965 0010 01000000 12000000 18000000 00000000 ................
1966 0020 08000000 04080000 0044 .........D @&t@
1968 cat > conftest.big <<EOF
1969 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1970 0010 00000001 00000012 00000018 00000000 ................
1971 0020 00000008 04000000 0844 .........D @&t@
1973 # If the assembler didn't choke, and we can objdump,
1974 # and we got the correct data, then succeed.
1975 if test x$gcc_cv_objdump != x \
1976 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
1977 | tail -3 > conftest.got \
1978 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1979 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1981 gcc_cv_as_eh_frame=yes
1982 elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then
1983 gcc_cv_as_eh_frame=buggy
1985 # Uh oh, what do we do now?
1986 gcc_cv_as_eh_frame=no
1989 if test $gcc_cv_as_eh_frame = buggy; then
1990 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1991 [Define if your assembler mis-optimizes .eh_frame data.])
1994 gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
1995 [elf,2,12,0], [--fatal-warnings],
1996 [.section .rodata.str, "aMS", @progbits, 1])
1997 AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE,
1998 [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`],
1999 [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
2001 # Thread-local storage - the check is heavily parametrized.
2010 .section ".tdata","awT",@progbits
2013 ldq $27,__tls_get_addr($29) !literal!1
2014 lda $16,foo($29) !tlsgd!1
2015 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
2016 ldq $27,__tls_get_addr($29) !literal!2
2017 lda $16,foo($29) !tlsldm!2
2018 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
2019 ldq $1,foo($29) !gotdtprel
2020 ldah $2,foo($29) !dtprelhi
2021 lda $3,foo($2) !dtprello
2022 lda $4,foo($29) !dtprel
2023 ldq $1,foo($29) !gottprel
2024 ldah $2,foo($29) !tprelhi
2025 lda $3,foo($2) !tprello
2026 lda $4,foo($29) !tprel'
2032 .section ".tdata","awT",@progbits
2036 leal foo@TLSGD(,%ebx,1), %eax
2037 leal foo@TLSLDM(%ebx), %eax
2038 leal foo@DTPOFF(%eax), %edx
2039 movl foo@GOTTPOFF(%ebx), %eax
2040 subl foo@GOTTPOFF(%ebx), %eax
2041 addl foo@GOTNTPOFF(%ebx), %eax
2042 movl foo@INDNTPOFF, %eax
2043 movl $foo@TPOFF, %eax
2044 subl $foo@TPOFF, %eax
2045 leal foo@NTPOFF(%ecx), %eax'
2051 .section ".tdata","awT",@progbits
2055 leaq foo@TLSGD(%rip), %rdi
2056 leaq foo@TLSLD(%rip), %rdi
2057 leaq foo@DTPOFF(%rax), %rdx
2058 movq foo@GOTTPOFF(%rip), %rax
2059 movq $foo@TPOFF, %rax'
2065 .section ".tdata","awT",@progbits
2068 addl r16 = @ltoff(@dtpmod(foo#)), gp
2069 addl r17 = @ltoff(@dtprel(foo#)), gp
2070 addl r18 = @ltoff(@tprel(foo#)), gp
2071 addl r19 = @dtprel(foo#), gp
2072 adds r21 = @dtprel(foo#), r13
2073 movl r23 = @dtprel(foo#)
2074 addl r20 = @tprel(foo#), gp
2075 adds r22 = @tprel(foo#), r13
2076 movl r24 = @tprel(foo#)'
2082 .section ".tdata","awT",@progbits
2090 addi 3,31,ld0@got@tlsgd
2092 addi 3,31,x1@got@tlsld
2095 addis 9,3,x2@dtprel@ha
2096 addi 9,9,x2@dtprel@l
2097 lwz 9,x3@got@tprel(31)
2100 addis 9,2,x2@tprel@ha
2101 addi 9,9,x2@tprel@l'
2108 .section ".tdata","awT",@progbits
2116 addi 3,2,ld0@got@tlsgd
2122 addi 3,2,x1@got@tlsld
2128 addis 9,3,x2@dtprel@ha
2129 addi 9,9,x2@dtprel@l
2132 ld 9,x3@got@dtprel(2)
2142 .section ".tdata","awT",@progbits
2151 l %r1,foo@GOTNTPOFF(%r12)
2152 l %r1,0(%r1):tls_load:foo
2153 bas %r14,0(%r1,%r13):tls_gdcall:foo
2154 bas %r14,0(%r1,%r13):tls_ldcall:foo'
2161 .section ".tdata","awT",@progbits
2169 lg %r1,foo@GOTNTPOFF(%r12)
2170 larl %r1,foo@INDNTPOFF
2171 brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
2172 brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
2175 tls_as_opt="-m64 -Aesame"
2177 sh-*-* | sh[34]-*-*)
2179 .section ".tdata","awT",@progbits
2192 .section ".tdata","awT",@progbits
2195 sethi %tgd_hi22(foo), %o0
2196 add %o0, %tgd_lo10(foo), %o1
2197 add %l7, %o1, %o0, %tgd_add(foo)
2198 call __tls_get_addr, %tgd_call(foo)
2199 sethi %tldm_hi22(foo), %l1
2200 add %l1, %tldm_lo10(foo), %l2
2201 add %l7, %l2, %o0, %tldm_add(foo)
2202 call __tls_get_addr, %tldm_call(foo)
2203 sethi %tldo_hix22(foo), %l3
2204 xor %l3, %tldo_lox10(foo), %l4
2205 add %o0, %l4, %l5, %tldo_add(foo)
2206 sethi %tie_hi22(foo), %o3
2207 add %o3, %tie_lo10(foo), %o3
2208 ld [%l7 + %o3], %o2, %tie_ld(foo)
2209 add %g7, %o2, %o4, %tie_add(foo)
2210 sethi %tle_hix22(foo), %l1
2211 xor %l1, %tle_lox10(foo), %o5
2212 ld [%g7 + %o5], %o1'
2219 if test -z "$tls_first_major"; then
2220 : # If we don't have a check, assume no support.
2222 gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls,
2223 [$tls_first_major,$tls_first_minor,0], [$tls_as_opt --fatal-warnings],
2225 [AC_DEFINE(HAVE_AS_TLS, 1,
2226 [Define if your assembler supports thread-local storage.])])
2229 # Target-specific assembler checks.
2232 # All TARGET_ABI_OSF targets.
2233 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
2234 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2235 gcc_cv_as_alpha_explicit_relocs, [2,12,0],,
2238 extbl $3, $2, $3 !lituse_bytoff!1
2239 ldq $2, a($29) !literal!1
2240 ldq $4, b($29) !literal!2
2241 ldq_u $3, 0($2) !lituse_base!1
2242 ldq $27, f($29) !literal!5
2243 jsr $26, ($27), f !lituse_jsr!5
2244 ldah $29, 0($26) !gpdisp!3
2245 lda $0, c($29) !gprel
2246 ldah $1, d($29) !gprelhigh
2247 lda $1, d($1) !gprellow
2248 lda $29, 0($29) !gpdisp!3],,
2249 [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2250 [Define if your assembler supports explicit relocations.])])
2254 gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,,
2255 [.register %g2, #scratch],,
2256 [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2257 [Define if your assembler supports .register.])])
2259 gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,,
2261 [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2262 [Define if your assembler supports -relax option.])])
2264 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs],
2265 gcc_cv_as_sparc_ua_pcrel,,
2273 .uaword %r_disp32(foo)],
2274 [if test x$gcc_cv_ld != x \
2275 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2276 gcc_cv_as_sparc_ua_pcrel=yes
2279 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2280 [Define if your assembler and linker support unaligned PC relative relocs.])
2282 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols],
2283 gcc_cv_as_sparc_ua_pcrel_hidden,,
2288 .uaword %r_disp32(foo)
2289 .byte 0x32, 0x33, 0x34
2294 [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
2295 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2296 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2297 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2298 if $gcc_cv_objdump -R conftest 2> /dev/null \
2299 | grep 'DISP32' > /dev/null 2>&1; then
2302 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2306 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2307 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])])
2308 ]) # unaligned pcrel relocs
2310 gcc_GAS_CHECK_FEATURE([offsetable %lo()],
2311 gcc_cv_as_sparc_offsetable_lo10,,
2314 or %g1, %lo(ab) + 12, %g1
2315 or %g1, %lo(ab + 12), %g1],
2316 [if test x$gcc_cv_objdump != x \
2317 && %gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
2318 | grep ' 82106000 82106000' > /dev/null 2>&1; then
2319 gcc_cv_as_offsetable_lo10=yes
2321 [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2322 [Define if your assembler supports offsetable %lo().])])
2326 i[34567]86-*-* | x86_64-*-*)
2328 gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
2329 gcc_cv_as_ix86_filds_fists,
2330 [2,9,0],, [filds mem; fists mem],,
2331 [AC_DEFINE(HAVE_GAS_FILDS_FISTS, 1,
2332 [Define if your assembler uses the new HImode fild and fist notation.])])
2334 gcc_GAS_CHECK_FEATURE([cmov syntax],
2335 gcc_cv_as_ix86_cmov_sun_syntax,,,
2336 [cmovl.l %edx, %eax],,
2337 [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1,
2338 [Define if your assembler supports the Sun syntax for cmov.])])
2340 # This one is used unconditionally by i386.[ch]; it is to be defined
2341 # to 1 if the feature is present, 0 otherwise.
2342 gcc_GAS_CHECK_FEATURE([GOTOFF in data],
2343 gcc_cv_as_ix86_gotoff_in_data, [2,11,0],,
2349 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2350 [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2351 [Define true if the assembler supports '.long foo@GOTOFF'.])
2355 gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs],
2356 gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],,
2358 addl r15 = @ltoffx(x#), gp
2360 ld8.mov r16 = [[r15]], x#],,
2361 [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
2362 [Define if your assembler supports ltoffx and ldxmov relocations.])])
2368 *-*-aix) conftest_s=' .csect .text[PR]';;
2369 *) conftest_s=' .text';;
2371 conftest_s="$conftest_s
2374 gcc_GAS_CHECK_FEATURE([mfcr field support],
2375 gcc_cv_as_powerpc_mfcrf, [2,14,0],,
2377 [AC_DEFINE(HAVE_AS_MFCRF, 1,
2378 [Define if your assembler supports mfcr field.])])
2382 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2383 gcc_cv_as_mips_explicit_relocs, [2,14,0],,
2384 [ lw $4,%gp_rel(foo)($4)],,
2385 [if test x$target_cpu_default = x
2386 then target_cpu_default=MASK_EXPLICIT_RELOCS
2387 else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
2392 # ??? Not all targets support dwarf2 debug_line, even within a version
2393 # of gas. Moreover, we need to emit a valid instruction to trigger any
2394 # info to the output file. So, as supported targets are added to gas 2.11,
2395 # add some instruction here to (also) show we expect this might work.
2396 # ??? Once 2.11 is released, probably need to add first known working
2397 # version to the per-target configury.
2399 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2400 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \
2401 | xstormy16*-*-* | cris-*-* | xtensa-*-*)
2411 if test x"$insn" != x; then
2413 .file 1 \"conftest.s\"
2416 gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support],
2417 gcc_cv_as_dwarf2_debug_line,
2418 [elf,2,11,0],, [$conftest_s],
2419 [# ??? This fails with non-gnu grep. Maybe use objdump?
2420 if grep debug_line conftest.o > /dev/null 2>&1; then
2421 gcc_cv_as_dwarf2_debug_line=yes
2424 # The .debug_line file table must be in the exact order that
2425 # we specified the files, since these indices are also used
2426 # by DW_AT_decl_file. Approximate this test by testing if
2427 # the assembler bitches if the same index is assigned twice.
2428 gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive],
2429 gcc_cv_as_dwarf2_file_buggy,,,
2433 if test $gcc_cv_as_dwarf2_debug_line = yes \
2434 && test $gcc_cv_as_dwarf2_file_buggy = no; then
2435 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2436 [Define if your assembler supports dwarf2 .file/.loc directives,
2437 and preserves file table indices exactly as given.])
2440 gcc_GAS_CHECK_FEATURE([--gdwarf2 option],
2441 gcc_cv_as_gdwarf2_flag,
2442 [elf,2,11,0], [--gdwarf2], [$insn],,
2443 [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2444 [Define if your assembler supports the --gdwarf2 option.])])
2446 gcc_GAS_CHECK_FEATURE([--gstabs option],
2447 gcc_cv_as_gstabs_flag,
2448 [elf,2,11,0], [--gstabs], [$insn],
2449 [# The native Solaris 9/Intel assembler doesn't understand --gstabs
2450 # and warns about it, but still exits successfully. So check for
2452 if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null])
2454 else gcc_cv_as_gstabs_flag=yes
2456 [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2457 [Define if your assembler supports the --gstabs option.])])
2460 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2461 gcc_cv_ld_ro_rw_mix=unknown
2462 if test $in_tree_ld = yes ; then
2463 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \
2464 && test $in_tree_ld_is_elf = yes; then
2465 gcc_cv_ld_ro_rw_mix=read-write
2467 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2468 echo '.section myfoosect, "a"' > conftest1.s
2469 echo '.section myfoosect, "aw"' > conftest2.s
2470 echo '.byte 1' >> conftest2.s
2471 echo '.section myfoosect, "a"' > conftest3.s
2472 echo '.byte 0' >> conftest3.s
2473 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2474 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2475 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2476 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2477 conftest2.o conftest3.o > /dev/null 2>&1; then
2478 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2479 | sed -e '/myfoosect/!d' -e N`
2480 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2481 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2482 gcc_cv_ld_ro_rw_mix=read-only
2484 gcc_cv_ld_ro_rw_mix=read-write
2489 rm -f conftest.* conftest[123].*
2492 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2493 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2494 [Define if your linker links a mix of read-only
2495 and read-write sections into a read-write section.])
2497 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2499 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2500 gcc_cv_ld_eh_frame_hdr=no
2501 if test $in_tree_ld = yes ; then
2502 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \
2503 && test $in_tree_ld_is_elf = yes; then
2504 gcc_cv_ld_eh_frame_hdr=yes
2506 elif test x$gcc_cv_ld != x; then
2507 # Check if linker supports --eh-frame-hdr option
2508 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2509 gcc_cv_ld_eh_frame_hdr=yes
2512 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2513 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2514 [Define if your linker supports --eh-frame-hdr option.])
2516 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2518 AC_MSG_CHECKING(linker position independent executable support)
2520 if test $in_tree_ld = yes ; then
2521 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \
2522 && test $in_tree_ld_is_elf = yes; then
2525 elif test x$gcc_cv_ld != x; then
2526 # Check if linker supports -pie option
2527 if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
2531 if test x"$gcc_cv_ld_pie" = xyes; then
2532 AC_DEFINE(HAVE_LD_PIE, 1,
2533 [Define if your linker supports -pie option.])
2535 AC_MSG_RESULT($gcc_cv_ld_pie)
2537 # Miscellaneous target-specific checks.
2540 AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
2541 gcc_cv_mips_libgloss_startup=no
2542 gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
2543 if test "x$exec_prefix" = xNONE; then
2544 if test "x$prefix" = xNONE; then
2545 test_prefix=/usr/local
2550 test_prefix=$exec_prefix
2552 for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_noncanonical/lib/idt.ld
2554 if grep '^STARTUP' $f > /dev/null 2>&1; then
2555 gcc_cv_mips_libgloss_startup=yes
2559 if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
2560 AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
2561 [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
2563 AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
2567 if test x$with_sysroot = x && test x$host = x$target \
2568 && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
2569 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
2570 [Define to PREFIX/include if cpp should also search that directory.])
2573 # Figure out what language subdirectories are present.
2574 # Look if the user specified --enable-languages="..."; if not, use
2575 # the environment variable $LANGUAGES if defined. $LANGUAGES might
2577 # NB: embedded tabs in this IF block -- do not untabify
2578 if test x"${enable_languages+set}" != xset; then
2579 if test x"${LANGUAGES+set}" = xset; then
2580 enable_languages="${LANGUAGES}"
2581 AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead])
2584 enable_languages=all
2587 if test x"${enable_languages}" = x \
2588 || test x"${enable_languages}" = xyes;
2590 AC_MSG_ERROR([--enable-languages needs at least one language argument])
2593 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2595 # First scan to see if an enabled language requires some other language.
2596 # We assume that a given config-lang.in will list all the language
2597 # front ends it requires, even if some are required indirectly.
2598 for lang in ${srcdir}/*/config-lang.in
2601 # The odd quoting in the next line works around
2602 # an apparent bug in bash 1.12 on linux.
2604 ${srcdir}/[*]/config-lang.in)
2607 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2608 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
2609 for other in $this_lang_requires
2611 case ,${enable_languages}, in
2617 enable_languages="$enable_languages,$other"
2626 expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
2629 for lang in ${srcdir}/*/config-lang.in
2632 # The odd quoting in the next line works around
2633 # an apparent bug in bash 1.12 on linux.
2635 ${srcdir}/[*]/config-lang.in) ;;
2637 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
2638 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
2639 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
2640 if test "x$lang_alias" = x
2642 echo "$lang doesn't set \$language." 1>&2
2645 case ${build_by_default},${enable_languages}, in
2646 *,$lang_alias,*) add_this_lang=yes ;;
2647 no,*) add_this_lang=no ;;
2648 *,all,*) add_this_lang=yes ;;
2649 *) add_this_lang=no ;;
2651 found_languages="${found_languages} ${lang_alias}"
2652 if test x"${add_this_lang}" = xyes; then
2654 ${srcdir}/ada/config-lang.in)
2655 if test x$have_gnat = xyes ; then
2656 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2660 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
2670 for expected_language in ${expected_languages} ..
2672 if test "${expected_language}" != ..; then
2673 missing_language="${expected_language}"
2674 if test "${expected_language}" = "c" \
2675 || test "${expected_language}" = "all"; then
2678 for found_language in ${found_languages} ..
2680 if test "${found_language}" != ..; then
2681 if test "${expected_language}" = "${found_language}"; then
2686 if test "x${missing_language}" != x; then
2687 missing_languages="${missing_languages} ${missing_language}"
2692 if test "x$missing_languages" != x; then
2694 The following requested languages were not found:${missing_languages}
2695 The following languages were available: c${found_languages}])
2698 # Make gthr-default.h if we have a thread file.
2700 if test $thread_file != single; then
2701 rm -f gthr-default.h
2702 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
2703 gthread_flags=-DHAVE_GTHR_DEFAULT
2705 AC_SUBST(gthread_flags)
2707 # Find out what GC implementation we want, or may, use.
2709 [ --with-gc={simple,page,zone} choose the garbage collection mechanism to use
2712 simple | page | zone)
2716 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
2721 echo "Using $GGC for garbage collection."
2723 # Use the system's zlib library.
2725 zlibinc="-I\$(srcdir)/../zlib"
2726 AC_ARG_WITH(system-zlib,
2727 [ --with-system-zlib use installed libz],
2734 dnl Very limited version of automake's enable-maintainer-mode
2736 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2737 dnl maintainer-mode is disabled by default
2738 AC_ARG_ENABLE(maintainer-mode,
2739 [ --enable-maintainer-mode
2740 enable make rules and dependencies not useful
2741 (and sometimes confusing) to the casual installer],
2742 maintainer_mode=$enableval,
2745 AC_MSG_RESULT($maintainer_mode)
2747 if test "$maintainer_mode" = "yes"; then
2754 # Make empty files to contain the specs and options for each language.
2755 # Then add #include lines to for a compiler that has specs and/or options.
2760 for subdir in . $subdirs
2762 if test -f $srcdir/$subdir/lang.opt; then
2763 lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
2765 if test -f $srcdir/$subdir/lang-specs.h; then
2766 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
2768 if test -f $srcdir/$subdir/$subdir-tree.def; then
2769 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
2773 # These (without "all_") are set in each config-lang.in.
2774 # `language' must be a single word so is spelled singularly.
2779 all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
2780 # List of language makefile fragments.
2782 # List of language subdirectory makefiles. Deprecated.
2784 # Files for gengtype
2785 all_gtfiles="$target_gtfiles"
2786 # Files for gengtype with language
2787 all_gtfiles_files_langs=
2788 all_gtfiles_files_files=
2790 # Add the language fragments.
2791 # Languages are added via two mechanisms. Some information must be
2792 # recorded in makefile variables, these are defined in config-lang.in.
2793 # We accumulate them and plug them into the main Makefile.
2794 # The other mechanism is a set of hooks for each of the main targets
2795 # like `clean', `install', etc.
2797 language_hooks="Make-hooks"
2807 . ${srcdir}/$s/config-lang.in
2808 if test "x$language" = x
2810 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
2813 all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$s/Make-lang.in"
2814 if test -f ${srcdir}/$s/Makefile.in
2815 then all_lang_makefiles="$s/Makefile"
2817 all_languages="$all_languages $language"
2818 if test "x$boot_language" = xyes
2820 all_boot_languages="$all_boot_languages $language"
2822 all_compilers="$all_compilers $compilers"
2823 all_stagestuff="$all_stagestuff $stagestuff"
2824 all_outputs="$all_outputs $outputs"
2825 all_gtfiles="$all_gtfiles $gtfiles"
2828 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2829 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2833 # Pick up gtfiles for c
2836 . ${srcdir}/c-config-lang.in
2837 all_gtfiles="$all_gtfiles $gtfiles"
2840 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
2841 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
2845 for language in $all_languages
2847 check_languages="$check_languages check-$language"
2850 # We link each language in with a set of hooks, reached indirectly via
2855 target_list="all.build all.cross start.encap rest.encap tags \
2856 install-normal install-common install-man \
2858 mostlyclean clean distclean maintainer-clean \
2859 stage1 stage2 stage3 stage4 stageprofile stagefeedback"
2860 for t in $target_list
2863 for lang in $all_languages
2867 echo "lang.$t: $x" >> Make-hooks
2872 echo "dir ." > .gdbinit
2873 echo "dir ${srcdir}" >> .gdbinit
2874 if test x$gdb_needs_out_file_path = xyes
2876 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
2878 if test "x$subdirs" != x; then
2881 echo "dir ${srcdir}/$s" >> .gdbinit
2884 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2886 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2887 # absolute path for gcc_tooldir based on inserting the number of up-directory
2888 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2889 # $(libsubdir)/@(unlibsubdir) based path.
2890 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2891 # make and thus we'd get different behavior depending on where we built the
2893 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2894 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_noncanonical)'
2896 changequote(<<, >>)dnl
2897 # An explanation of the sed strings:
2898 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2899 # -e 's|/$||' match a trailing forward slash and eliminates it
2900 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2901 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2903 # (*) Note this pattern overwrites the first character of the string
2904 # with a forward slash if one is not already present. This is not a
2905 # problem because the exact names of the sub-directories concerned is
2906 # unimportant, just the number of them matters.
2908 # The practical upshot of these patterns is like this:
2910 # prefix exec_prefix result
2911 # ------ ----------- ------
2913 # /foo/ /foo/bar ../
2914 # /foo /foo/bar/ ../
2915 # /foo/ /foo/bar/ ../
2916 # /foo /foo/bar/ugg ../../
2919 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_noncanonical)"
2920 changequote([, ])dnl
2922 AC_SUBST(gcc_tooldir)
2925 # Find a directory in which to install a shared libgcc.
2927 AC_ARG_ENABLE(version-specific-runtime-libs,
2928 [ --enable-version-specific-runtime-libs
2929 specify that runtime libraries should be
2930 installed in a compiler-specific directory])
2932 AC_ARG_WITH(slibdir,
2933 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2934 slibdir="$with_slibdir",
2935 if test "${enable_version_specific_runtime_libs+set}" = set; then
2936 slibdir='$(libsubdir)'
2937 elif test "$host" != "$target"; then
2938 slibdir='$(build_tooldir)/lib'
2944 objdir=`${PWDCMD-pwd}`
2947 # Substitute configuration variables
2952 AC_SUBST(all_boot_languages)
2953 AC_SUBST(all_compilers)
2954 AC_SUBST(all_gtfiles)
2955 AC_SUBST(all_gtfiles_files_langs)
2956 AC_SUBST(all_gtfiles_files_files)
2957 AC_SUBST(all_lang_makefrags)
2958 AC_SUBST(all_lang_makefiles)
2959 AC_SUBST(all_languages)
2960 AC_SUBST(all_stagestuff)
2961 AC_SUBST(build_exeext)
2962 AC_SUBST(build_install_headers_dir)
2963 AC_SUBST(build_xm_file_list)
2964 AC_SUBST(build_xm_include_list)
2965 AC_SUBST(build_xm_defines)
2966 AC_SUBST(check_languages)
2967 AC_SUBST(cc_set_by_configure)
2968 AC_SUBST(quoted_cc_set_by_configure)
2969 AC_SUBST(cpp_install_dir)
2970 AC_SUBST(xmake_file)
2971 AC_SUBST(tmake_file)
2972 AC_SUBST(extra_headers_list)
2973 AC_SUBST(extra_objs)
2974 AC_SUBST(extra_parts)
2975 AC_SUBST(extra_passes)
2976 AC_SUBST(extra_programs)
2977 AC_SUBST(float_h_file)
2978 AC_SUBST(gcc_config_arguments)
2979 AC_SUBST(gcc_gxx_include_dir)
2980 AC_SUBST(libstdcxx_incdir)
2981 AC_SUBST(gcc_version)
2982 AC_SUBST(gcc_version_full)
2983 AC_SUBST(gcc_version_trigger)
2984 AC_SUBST(host_exeext)
2985 AC_SUBST(host_extra_gcc_objs)
2986 AC_SUBST(host_xm_file_list)
2987 AC_SUBST(host_xm_include_list)
2988 AC_SUBST(host_xm_defines)
2989 AC_SUBST(out_host_hook_obj)
2991 AC_SUBST(lang_opt_files)
2992 AC_SUBST(lang_specs_files)
2993 AC_SUBST(lang_tree_files)
2994 AC_SUBST(local_prefix)
2996 AC_SUBST(objc_boehm_gc)
2998 AC_SUBST(out_object_file)
2999 AC_SUBST(stage_prefix_set_by_configure)
3000 AC_SUBST(quoted_stage_prefix_set_by_configure)
3001 AC_SUBST(symbolic_link)
3002 AC_SUBST(thread_file)
3003 AC_SUBST(tm_file_list)
3004 AC_SUBST(tm_include_list)
3005 AC_SUBST(tm_defines)
3006 AC_SUBST(tm_p_file_list)
3007 AC_SUBST(tm_p_include_list)
3008 AC_SUBST(xm_file_list)
3009 AC_SUBST(xm_include_list)
3010 AC_SUBST(xm_defines)
3011 AC_SUBST(target_noncanonical)
3012 AC_SUBST(c_target_objs)
3013 AC_SUBST(cxx_target_objs)
3014 AC_SUBST(target_cpu_default)
3016 AC_SUBST_FILE(language_hooks)
3019 if test x${build} = x${host} ; then
3020 if test x${host} = x${target} ; then
3021 echo "Links are now set up to build a native compiler for ${target}." 1>&2
3023 echo "Links are now set up to build a cross-compiler" 1>&2
3024 echo " from ${host} to ${target}." 1>&2
3027 if test x${host} = x${target} ; then
3028 echo "Links are now set up to build (on ${build}) a native compiler" 1>&2
3029 echo " for ${target}." 1>&2
3031 echo "Links are now set up to build (on ${build}) a cross-compiler" 1>&2
3032 echo " from ${host} to ${target}." 1>&2
3036 # Configure the subdirectories
3037 # AC_CONFIG_SUBDIRS($subdirs)
3039 # Create the Makefile
3040 # and configure language subdirectories
3041 AC_OUTPUT($all_outputs,
3043 case ${CONFIG_HEADERS} in
3044 *auto-host.h:config.in*)
3047 # Make sure all the subdirs exist.
3050 test -d $d || mkdir $d
3052 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
3053 # bootstrapping and the installation procedure can still use
3054 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
3055 # FLAGS_TO_PASS has been modified to solve the problem there.
3056 # This is virtually a duplicate of what happens in configure.lang; we do
3057 # an extra check to make sure this only happens if ln -s can be used.
3058 if test "$symbolic_link" = "ln -s"; then
3059 for d in ${subdirs} fixinc ; do
3060 STARTDIR=`${PWDCMD-pwd}`
3062 for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include
3065 $symbolic_link ../$t $t 2>/dev/null
3072 symbolic_link='$symbolic_link'
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