1 # configure.in for GNU CC
2 # Process this file with autoconf to generate a configuration script.
4 # Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
6 #This file is part of GNU CC.
8 #GNU CC is free software; you can redistribute it and/or modify
9 #it under the terms of the GNU General Public License as published by
10 #the Free Software Foundation; either version 2, or (at your option)
13 #GNU CC is distributed in the hope that it will be useful,
14 #but WITHOUT ANY WARRANTY; without even the implied warranty of
15 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 #GNU General Public License for more details.
18 #You should have received a copy of the GNU General Public License
19 #along with GNU CC; see the file COPYING. If not, write to
20 #the Free Software Foundation, 59 Temple Place - Suite 330,
21 #Boston, MA 02111-1307, USA.
23 # Initialization and defaults
26 AC_CONFIG_HEADER(auto-host.h:config.in)
33 # Check for bogus environment variables.
34 # Test if LIBRARY_PATH contains the notation for the current directory
35 # since this would lead to problems installing/building glibc.
36 # LIBRARY_PATH contains the current directory if one of the following
38 # - one of the terminals (":" and ";") is the first or last sign
39 # - two terminals occur directly after each other
40 # - the path contains an element with a dot in it
41 AC_MSG_CHECKING(LIBRARY_PATH variable)
43 case ${LIBRARY_PATH} in
44 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
45 library_path_setting="contains current directory"
48 library_path_setting="ok"
52 AC_MSG_RESULT($library_path_setting)
53 if test "$library_path_setting" != "ok"; then
55 *** LIBRARY_PATH shouldn't contain the current directory when
56 *** building gcc. Please change the environment variable
57 *** and run configure again.])
60 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
61 # since this would lead to problems installing/building glibc.
62 # GCC_EXEC_PREFIX contains the current directory if one of the following
64 # - one of the terminals (":" and ";") is the first or last sign
65 # - two terminals occur directly after each other
66 # - the path contains an element with a dot in it
67 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
69 case ${GCC_EXEC_PREFIX} in
70 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
71 gcc_exec_prefix_setting="contains current directory"
74 gcc_exec_prefix_setting="ok"
78 AC_MSG_RESULT($gcc_exec_prefix_setting)
79 if test "$gcc_exec_prefix_setting" != "ok"; then
81 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
82 *** building gcc. Please change the environment variable
83 *** and run configure again.])
86 # Check for additional parameters
90 [ --with-gnu-ld arrange to work with GNU ld.],
91 gnu_ld_flag="$with_gnu_ld",
96 [ --with-ld arrange to use the specified ld (full pathname).],
97 DEFAULT_LINKER="$with_ld")
98 if test x"${DEFAULT_LINKER+set}" = x"set"; then
99 if test ! -x "$DEFAULT_LINKER"; then
100 AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
101 elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
104 AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
105 [Define to enable the use of a default linker.])
110 [ --with-gnu-as arrange to work with GNU as.],
111 gas_flag="$with_gnu_as",
115 [ --with-as arrange to use the specified as (full pathname).],
116 DEFAULT_ASSEMBLER="$with_as")
117 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
118 if test ! -x "$DEFAULT_ASSEMBLER"; then
119 AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
120 elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
123 AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
124 [Define to enable the use of a default assembler.])
129 [ --with-stabs arrange to use stabs instead of host debug format.],
135 [ --with-elf arrange to use ELF instead of host debug format.],
139 # Specify the local prefix
141 AC_ARG_WITH(local-prefix,
142 [ --with-local-prefix=DIR specifies directory to put local include.],
143 [case "${withval}" in
144 yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
146 *) local_prefix=$with_local_prefix ;;
149 # Default local prefix if it is empty
150 if test x$local_prefix = x; then
151 local_prefix=/usr/local
154 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
155 # passed in by the toplevel make and thus we'd get different behavior
156 # depending on where we built the sources.
158 # Specify the g++ header file directory
159 AC_ARG_WITH(gxx-include-dir,
160 [ --with-gxx-include-dir=DIR
161 specifies directory to put g++ header files.],
162 [case "${withval}" in
163 yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
165 *) gcc_gxx_include_dir=$with_gxx_include_dir ;;
168 if test x${gcc_gxx_include_dir} = x; then
169 if test x${enable_version_specific_runtime_libs} = xyes; then
170 gcc_gxx_include_dir='${libsubdir}/include/g++'
172 topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
173 changequote(<<, >>)dnl
174 gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
179 # Determine whether or not multilibs are enabled.
180 AC_ARG_ENABLE(multilib,
181 [ --enable-multilib enable library support for multiple ABIs],
182 [], [enable_multilib=yes])
183 AC_SUBST(enable_multilib)
185 # Enable expensive internal checks
186 AC_ARG_ENABLE(checking,
187 [ --enable-checking[=LIST]
188 enable expensive run-time checks. With LIST,
189 enable only specific categories of checks.
190 Categories are: misc,tree,rtl,gc,gcac; default
196 ac_gc_always_collect=
197 case "${enableval}" in
198 yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;;
200 *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
201 set fnord $enableval; shift
206 misc) ac_checking=1 ;;
207 tree) ac_tree_checking=1 ;;
208 rtl) ac_rtl_checking=1 ;;
209 gc) ac_gc_checking=1 ;;
210 gcac) ac_gc_always_collect=1 ;;
211 *) AC_MSG_ERROR(unknown check category $check) ;;
217 # Enable some checks by default for development versions of GCC
218 [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1;])
219 if test x$ac_checking != x ; then
220 AC_DEFINE(ENABLE_CHECKING, 1,
221 [Define if you want more run-time sanity checks. This one gets a grab
222 bag of miscellaneous but relatively cheap checks.])
224 if test x$ac_tree_checking != x ; then
225 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
226 [Define if you want all operations on trees (the basic data
227 structure of the front ends) to be checked for dynamic type safety
228 at runtime. This is moderately expensive.])
230 if test x$ac_rtl_checking != x ; then
231 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
232 [Define if you want all operations on RTL (the basic data structure
233 of the optimizer and back end) to be checked for dynamic type safety
234 at runtime. This is quite expensive.])
236 if test x$ac_gc_checking != x ; then
237 AC_DEFINE(ENABLE_GC_CHECKING, 1,
238 [Define if you want the garbage collector to do object poisoning and
239 other memory allocation checks. This is quite expensive.])
241 if test x$ac_gc_always_collect != x ; then
242 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
243 [Define if you want the garbage collector to operate in maximally
244 paranoid mode, validating the entire heap and collecting garbage at
245 every opportunity. This is extremely expensive.])
250 [ --disable-cpp don't provide a user-visible C preprocessor.],
251 [], [enable_cpp=yes])
253 AC_ARG_WITH(cpp_install_dir,
254 [ --with-cpp-install-dir=DIR
255 install the user visible C preprocessor in DIR
256 (relative to PREFIX) as well as PREFIX/bin.],
257 [if test x$withval = xyes; then
258 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
259 elif test x$withval != xno; then
260 cpp_install_dir=$withval
263 # Enable Multibyte Characters for C/C++
264 AC_ARG_ENABLE(c-mbchar,
265 [ --enable-c-mbchar Enable multibyte characters for C and C++.],
266 if test x$enable_c_mbchar != xno; then
267 AC_DEFINE(MULTIBYTE_CHARS, 1,
268 [Define if you want the C and C++ compilers to support multibyte
269 character sets for source code.])
273 # Pass with no value to take the default
274 # Pass with a value to specify a thread package
275 AC_ARG_ENABLE(threads,
276 [ --enable-threads enable thread usage for target GCC.
277 --enable-threads=LIB use LIB thread package for target GCC.],,
280 enable_threads_flag=$enable_threads
281 # Check if a valid thread package
282 case x${enable_threads_flag} in
285 target_thread_file='single'
289 target_thread_file=''
291 xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
292 xsolaris | xwin32 | xdce | xvxworks | xaix)
293 target_thread_file=$enable_threads_flag
296 echo "$enable_threads is an unknown thread package" 1>&2
301 AC_ARG_ENABLE(objc-gc,
302 [ --enable-objc-gc enable the use of Boehm's garbage collector with
303 the GNU Objective-C runtime.],
304 if test x$enable_objc_gc = xno; then
312 [ --with-dwarf2 force the default debug format to be DWARF2.],
313 dwarf2="$with_dwarf2",
316 AC_ARG_ENABLE(shared,
317 [ --disable-shared don't provide a shared libgcc.],
319 case $enable_shared in
323 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
324 for pkg in $enableval; do
325 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
332 ], [enable_shared=yes])
333 AC_SUBST(enable_shared)
335 # Determine the host, build, and target systems
338 # Find the native compiler
341 # autoconf is lame and doesn't give us any substitution variable for this.
342 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
343 NO_MINUS_C_MINUS_O=yes
345 OUTPUT_OPTION='-o $@'
347 AC_SUBST(NO_MINUS_C_MINUS_O)
348 AC_SUBST(OUTPUT_OPTION)
350 AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
351 ac_cv_prog_cc_no_long_long,
352 [save_CFLAGS="$CFLAGS"
353 CFLAGS="-Wno-long-long"
354 AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
355 ac_cv_prog_cc_no_long_long=no)
356 CFLAGS="$save_CFLAGS"])
358 if test $ac_cv_prog_cc_no_long_long = yes; then
359 strict1_warn="-pedantic -Wno-long-long"
361 AC_SUBST(strict1_warn)
370 # sizeof(char) is 1 by definition.
371 gcc_AC_COMPILE_CHECK_SIZEOF(short)
372 gcc_AC_COMPILE_CHECK_SIZEOF(int)
373 gcc_AC_COMPILE_CHECK_SIZEOF(long)
374 if test $ac_cv_c_long_long = yes; then
375 gcc_AC_COMPILE_CHECK_SIZEOF(long long)
377 if test $ac_cv_c___int64 = yes; then
378 gcc_AC_COMPILE_CHECK_SIZEOF(__int64)
383 # If the native compiler is GCC, we can enable warnings even in stage1.
384 # That's useful for people building cross-compilers, or just running a
387 if test "x$GCC" = "xyes"; then
388 warn_cflags='$(GCC_WARN_CFLAGS)'
390 AC_SUBST(warn_cflags)
392 # Stage specific cflags for build.
398 stage1_cflags="-Wa,-J"
404 AC_SUBST(stage1_cflags)
408 AC_MSG_CHECKING([whether a default assembler was specified])
409 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
410 if test x"$gas_flag" = x"no"; then
411 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
413 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
419 AC_MSG_CHECKING([whether a default linker was specified])
420 if test x"${DEFAULT_LINKER+set}" = x"set"; then
421 if test x"$gnu_ld_flag" = x"no"; then
422 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
424 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
430 AC_MSG_CHECKING(for GNU C library)
431 AC_CACHE_VAL(gcc_cv_glibc,
433 [#include <features.h>],[
434 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
435 #error Not a GNU C library system
439 AC_MSG_RESULT($gcc_cv_glibc)
440 if test $gcc_cv_glibc = yes; then
441 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
444 # Find some useful tools
455 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
456 fcntl.h unistd.h stab.h sys/file.h sys/time.h \
457 sys/resource.h sys/param.h sys/times.h sys/stat.h \
458 direct.h malloc.h langinfo.h iconv.h stdbool.h)
460 # Check for thread headers.
461 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
462 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
464 # These tests can't be done till we know if we have limits.h.
466 gcc_AC_C_COMPILE_ENDIAN
467 gcc_AC_C_FLOAT_FORMAT
469 # See if GNAT has been installed
470 AC_CHECK_PROG(have_gnat, gnatbind, yes, no)
472 # See if we have the mktemp command.
473 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
475 # Do we have a single-tree copy of texinfo?
476 if test -f $srcdir/../texinfo/Makefile.in; then
477 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
478 gcc_cv_prog_makeinfo_modern=yes
479 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
481 # See if makeinfo has been installed and is modern enough
482 # that we can use it.
483 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
484 [GNU texinfo.* \([0-9][0-9.]*\)],
488 if test $gcc_cv_prog_makeinfo_modern = no; then
490 *** Makeinfo is missing or too old.
491 *** Info documentation will not be built.])
494 BUILD_INFO=info AC_SUBST(BUILD_INFO)
497 # Is pod2man recent enough to regenerate manpages?
498 AC_MSG_CHECKING([for recent Pod::Man])
499 if perl -e 'use 1.10 Pod::Man' >/dev/null 2>&1; then
501 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
508 dnl Don't use AC_PROG_LEX; we insist on flex.
509 dnl LEXLIB is not useful in gcc.
510 if test -f $srcdir/../flex/skel.c; then
511 FLEX='$(objdir)/../flex/flex'
513 AC_CHECK_PROG(FLEX, flex, flex, false)
517 # The -L switch is so bison can find its skeleton file.
518 if test -f $srcdir/../bison/bison.simple; then
519 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
521 AC_CHECK_PROG(BISON, bison, bison, false)
524 # See if the stage1 system preprocessor understands the ANSI C
525 # preprocessor stringification operator.
528 # Use <inttypes.h> only if it exists,
529 # doesn't clash with <sys/types.h>, and declares intmax_t.
530 AC_MSG_CHECKING(for inttypes.h)
531 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
533 [#include <sys/types.h>
534 #include <inttypes.h>],
536 [gcc_cv_header_inttypes_h=yes],
537 gcc_cv_header_inttypes_h=no)])
538 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
539 if test $gcc_cv_header_inttypes_h = yes; then
540 AC_DEFINE(HAVE_INTTYPES_H, 1,
541 [Define if you have a working <inttypes.h> header file.])
544 dnl Disabled until we have a complete test for buggy enum bitfields.
545 dnl gcc_AC_C_ENUM_BF_UNSIGNED
547 AC_CHECK_FUNCS(strtoul bsearch putenv popen bcopy \
548 strchr strrchr kill getrlimit setrlimit atoll atoq \
549 sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \
550 fputs_unlocked getrusage iconv nl_langinfo)
552 AC_CHECK_TYPE(ssize_t, int)
554 # Try to determine the array type of the second argument of getgroups
555 # for the target system (int or gid_t).
557 if test "${target}" = "${build}"; then
558 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
561 # This condition may need some tweaking. It should include all
562 # targets where the array type of the second argument of getgroups
563 # is int and the type of gid_t is not equivalent to int.
564 *-*-sunos* | *-*-ultrix*)
565 TARGET_GETGROUPS_T=int
568 TARGET_GETGROUPS_T=gid_t
572 AC_SUBST(TARGET_GETGROUPS_T)
574 gcc_AC_FUNC_VFPRINTF_DOPRNT
576 gcc_AC_FUNC_PRINTF_PTR
581 *** UWIN may not be used as a host platform because
582 *** linking with posix.dll is not allowed by the GNU GPL])
586 AC_FUNC_MMAP_ANYWHERE
589 # We will need to find libiberty.h and ansidecl.h
590 saved_CFLAGS="$CFLAGS"
591 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
592 gcc_AC_CHECK_DECLS(bcopy \
593 getenv atol sbrk abort atof getcwd getwd \
594 strsignal putc_unlocked fputs_unlocked strstr environ \
595 malloc realloc calloc free basename getopt, , ,[
596 #include "gansidecl.h"
597 #include "system.h"])
599 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
600 #include "gansidecl.h"
602 #ifdef HAVE_SYS_RESOURCE_H
603 #include <sys/resource.h>
607 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
608 CFLAGS="$saved_CFLAGS"
610 # mkdir takes a single argument on some systems.
611 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
621 build_install_headers_dir=install-headers-tar
626 host_truncate_target=
629 # Decode the host machine, then the target machine.
630 # For the host machine, we save the xm_file variable as host_xm_file;
631 # then we decode the target machine and forget everything else
632 # that came from the host machine.
633 for machine in $build $host $target; do
634 . ${srcdir}/config.gcc
637 extra_objs="${host_extra_objs} ${extra_objs}"
639 # Default the target-machine variables that were not explicitly set.
640 if test x"$tm_file" = x
641 then tm_file=$cpu_type/$cpu_type.h; fi
643 if test x"$extra_headers" = x
644 then extra_headers=; fi
646 if test x"$xm_file" = x
647 then xm_file=$cpu_type/xm-$cpu_type.h; fi
649 if test x$md_file = x
650 then md_file=$cpu_type/$cpu_type.md; fi
652 if test x$out_file = x
653 then out_file=$cpu_type/$cpu_type.c; fi
655 if test x"$tmake_file" = x
656 then tmake_file=$cpu_type/t-$cpu_type
659 if test x"$dwarf2" = xyes
660 then tm_file="$tm_file tm-dwarf2.h"
663 if test x$float_format = x
664 then float_format=i64
667 if test $float_format = none
668 then float_h_file=Makefile.in
669 else float_h_file=float-$float_format.h
672 # Handle cpp installation.
673 if test x$enable_cpp != xno
675 tmake_file="$tmake_file t-install-cpp"
678 # Say what files are being used for the output code and MD file.
679 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
680 echo "Using \`$srcdir/config/$md_file' as machine description file."
682 # If any of the xm_file variables contain nonexistent files, warn
683 # about them and drop them. But $cpu/xm-$cpu.h is allowed not to
684 # exist, if we have nothing for it to do.
687 for x in $build_xm_file; do
688 if test -f $srcdir/config/$x
690 elif expr $x : '\([^/]*\)/xm-\1\.h' >/dev/null
692 else AC_MSG_WARN($srcdir/config/$x does not exist.)
698 for x in $host_xm_file; do
699 if test -f $srcdir/config/$x
701 elif expr $x : '\([^/]*\)/xm-\1\.h' >/dev/null
703 else AC_MSG_WARN($srcdir/config/$x does not exist.)
709 for x in $xm_file; do
710 if test -f $srcdir/config/$x
712 elif expr $x : '\([^/]*\)/xm-\1\.h' >/dev/null
714 else AC_MSG_WARN($srcdir/config/$x does not exist.)
721 for f in $tm_file; do
724 if test $count = ax; then
725 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
727 echo "Using the following target machine macro files:"
728 for f in $tm_file; do
729 echo " $srcdir/config/$f"
734 for f in $host_xm_file; do
737 if test $count = a; then
739 elif test $count = ax; then
740 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
742 echo "Using the following host machine macro files:"
743 for f in $host_xm_file; do
744 echo " $srcdir/config/$f"
748 if test "$host_xm_file" != "$build_xm_file"; then
750 for f in $build_xm_file; do
753 if test $count = a; then
755 elif test $count = ax; then
756 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
758 echo "Using the following build machine macro files:"
759 for f in $build_xm_file; do
760 echo " $srcdir/config/$f"
765 if test x$thread_file = x; then
766 if test x$target_thread_file != x; then
767 thread_file=$target_thread_file
773 # auto-host.h is the file containing items generated by autoconf and is
774 # the first file included by config.h.
775 # If host=build, it is correct to have hconfig include auto-host.h
776 # as well. If host!=build, we are in error and need to do more
777 # work to find out the build config parameters.
778 if test x$host = x$build
780 build_auto=auto-host.h
782 # We create a subdir, then run autoconf in the subdir.
783 # To prevent recursion we set host and build for the new
784 # invocation of configure to the build for this invocation
791 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
792 *) realsrcdir=../${srcdir};;
794 CC=${CC_FOR_BUILD} ${realsrcdir}/configure \
795 --target=$target --host=$build --build=$build
797 # We just finished tests for the build machine, so rename
798 # the file auto-build.h in the gcc directory.
799 mv auto-host.h ../auto-build.h
802 build_auto=auto-build.h
805 tm_file="${tm_file} defaults.h"
806 host_xm_file="auto-host.h gansidecl.h ${host_xm_file} ${tm_file}"
807 build_xm_file="${build_auto} gansidecl.h ${build_xm_file} ${tm_file}"
808 xm_file="gansidecl.h ${xm_file} ${tm_file}"
810 # Truncate the target if necessary
811 if test x$host_truncate_target != x; then
812 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
815 # Get the version trigger filename from the toplevel
816 if test "${with_gcc_version_trigger+set}" = set; then
817 gcc_version_trigger=$with_gcc_version_trigger
819 gcc_version_trigger=${srcdir}/version.c
822 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
823 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
825 # Compile in configure arguments.
826 if test -f configargs.h ; then
827 # Being re-configured.
828 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
829 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
831 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
833 cat > configargs.h <<EOF
834 /* Generated automatically. */
835 static const char configuration_arguments[] = "$gcc_config_arguments";
839 # Internationalization
841 VERSION="$gcc_version"
842 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE",
843 [Define to the name of the distribution.])
844 AC_DEFINE_UNQUOTED(VERSION, "$VERSION",
845 [Define to the version of the distribution.])
851 # Enable NLS support by default
853 [ --enable-nls use Native Language Support (default)],
856 # if cross compiling, disable NLS support.
857 # It's not worth the trouble, at least for now.
859 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
860 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
864 # if NLS is enabled, also enable check in po subdir
865 if test $enable_nls = yes; then
874 XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT"
876 # Windows32 Registry support for specifying GCC installation paths.
877 AC_ARG_ENABLE(win32-registry,
878 [ --disable-win32-registry
879 Disable lookup of installation paths in the
880 Registry on Windows hosts.
881 --enable-win32-registry Enable registry lookup (default).
882 --enable-win32-registry=KEY
883 Use KEY instead of GCC version as the last portion
884 of the registry key.],,)
886 AC_MSG_CHECKING(whether windows registry support is requested)
887 if test x$enable_win32_registry != xno; then
888 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
889 [Define to 1 if installation paths should be looked up in Windows32
890 Registry. Ignored on non windows32 hosts.])
896 # Check if user specified a different registry key.
897 case x${enable_win32_registry} in
900 gcc_cv_win32_registry_key="$VERSION"
903 # no registry lookup.
904 gcc_cv_win32_registry_key=''
907 # user-specified key.
908 gcc_cv_win32_registry_key="$enable_win32_registry"
912 if test x$enable_win32_registry != xno; then
913 AC_MSG_CHECKING(registry key on windows hosts)
914 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
915 [Define to be the last portion of registry key on windows hosts.])
916 AC_MSG_RESULT($gcc_cv_win32_registry_key)
919 # Get an absolute path to the GCC top-level source directory
925 # Conditionalize the makefile for this host machine.
926 # Make-host contains the concatenation of all host makefile fragments
927 # [there can be more than one]. This file is built by configure.frag.
928 host_overrides=Make-host
930 for f in .. ${host_xmake_file}
932 if test -f ${srcdir}/config/$f
934 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
938 # Conditionalize the makefile for this target machine.
939 # Make-target contains the concatenation of all host makefile fragments
940 # [there can be more than one]. This file is built by configure.frag.
941 target_overrides=Make-target
943 for f in .. ${tmake_file}
945 if test -f ${srcdir}/config/$f
947 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
951 # If the host doesn't support symlinks, modify CC in
952 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
953 # Otherwise, we can use "CC=$(CC)".
955 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
957 cc_set_by_configure="\$(CC)"
958 quoted_cc_set_by_configure="\$(CC)"
959 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
962 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
964 symbolic_link="cp -p"
968 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
969 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
970 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
974 out_object_file=`basename $out_file .c`.o
977 for f in $tm_file; do
979 gansidecl.h | defaults.h )
980 tm_file_list="${tm_file_list} $f" ;;
981 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
986 for f in $tm_p_file; do
987 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
991 for f in $host_xm_file; do
993 auto-host.h | gansidecl.h | defaults.h )
994 host_xm_file_list="${host_xm_file_list} $f" ;;
995 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1000 for f in $build_xm_file; do
1002 auto-build.h | auto-host.h | gansidecl.h | defaults.h )
1003 build_xm_file_list="${build_xm_file_list} $f" ;;
1004 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1008 # Define macro CROSS_COMPILE in compilation
1009 # if this is a cross-compiler.
1010 # Also use all.cross instead of all.internal
1011 # and add cross-make to Makefile.
1012 cross_overrides="/dev/null"
1013 if test x$host != x$target
1015 cross_defines="CROSS=-DCROSS_COMPILE"
1016 cross_overrides="${topdir}/cross-make"
1019 # If this is a cross-compiler that does not
1020 # have its own set of headers then define
1023 # If this is using newlib, then define inhibit_libc in
1024 # LIBGCC2_CFLAGS. This will cause __eprintf to be left out of
1025 # libgcc.a, but that's OK because newlib should have its own version of
1028 if [test x$host != x$target] && [test x$with_headers = x]; then
1029 inhibit_libc=-Dinhibit_libc
1031 if [test x$with_newlib = xyes]; then
1032 inhibit_libc=-Dinhibit_libc
1035 AC_SUBST(inhibit_libc)
1037 # When building gcc with a cross-compiler, we need to fix a few things.
1038 # This must come after cross-make as we want all.build to override
1040 build_overrides="/dev/null"
1041 if test x$build != x$host
1043 build_overrides="${topdir}/build-make"
1046 # Expand extra_headers to include complete path.
1047 # This substitutes for lots of t-* files.
1049 if test "x$extra_headers" = x
1052 # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
1053 for file in $extra_headers;
1055 extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
1059 if test x$use_collect2 = xno; then
1063 # Add a definition of USE_COLLECT2 if system wants one.
1064 # Also tell toplev.c what to do.
1065 # This substitutes for lots of t-* files.
1066 if test x$use_collect2 = x
1071 will_use_collect2="collect2"
1072 maybe_use_collect2="-DUSE_COLLECT2"
1075 # If we have gas in the build tree, make a link to it.
1076 if test -f ../gas/Makefile; then
1077 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1080 # If we have nm in the build tree, make a link to it.
1081 if test -f ../binutils/Makefile; then
1082 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1085 # If we have ld in the build tree, make a link to it.
1086 if test -f ../ld/Makefile; then
1087 # if test x$use_collect2 = x; then
1088 # rm -f ld; $symbolic_link ../ld/ld-new$host_exeext ld$host_exeext 2>/dev/null
1090 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1094 # Figure out what assembler we will be using.
1095 AC_MSG_CHECKING(what assembler to use)
1097 gcc_cv_gas_major_version=
1098 gcc_cv_gas_minor_version=
1099 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1100 if test -x "$DEFAULT_ASSEMBLER"; then
1101 gcc_cv_as="$DEFAULT_ASSEMBLER"
1102 elif test -x "$AS"; then
1104 elif test -x as$host_exeext; then
1105 # Build using assembler in the current directory.
1106 gcc_cv_as=./as$host_exeext
1107 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1108 # Single tree build which includes gas.
1109 for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
1112 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1114 if test x$gcc_cv_gas_version != x; then
1119 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1120 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1124 if test "x$gcc_cv_as" = x -a x$host = x$target; then
1126 # Search the same directories that the installed compiler will
1127 # search. Else we may find the wrong assembler and lose. If we
1128 # do not find a suitable assembler binary, then try the user's
1131 # Also note we have to check MD_EXEC_PREFIX before checking the
1132 # user's path. Unfortunately, there is no good way to get at the
1133 # value of MD_EXEC_PREFIX here. So we do a brute force search
1134 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1135 # to be fixed as part of the make/configure rewrite too.
1137 if test "x$exec_prefix" = xNONE; then
1138 if test "x$prefix" = xNONE; then
1139 test_prefix=/usr/local
1144 test_prefix=$exec_prefix
1147 # If the loop below does not find an assembler, then use whatever
1148 # one we can find in the users's path.
1150 gcc_cv_as=as$host_exeext
1152 test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
1153 $test_prefix/lib/gcc-lib/$target \
1154 /usr/lib/gcc/$target/$gcc_version \
1155 /usr/lib/gcc/$target \
1156 $test_prefix/$target/bin/$target/$gcc_version \
1157 $test_prefix/$target/bin \
1162 /bsd43/usr/lib/cmplrs/cc \
1163 /usr/cross64/usr/bin \
1164 /usr/lib/cmplrs/cc \
1165 /sysv/usr/lib/cmplrs/cc \
1166 /svr4/usr/lib/cmplrs/cc \
1169 for dir in $test_dirs; do
1170 if test -f $dir/as$host_exeext; then
1171 gcc_cv_as=$dir/as$host_exeext
1176 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1177 AC_MSG_RESULT("newly built gas")
1179 AC_MSG_RESULT($gcc_cv_as)
1182 # Figure out what nm we will be using.
1183 AC_MSG_CHECKING(what nm to use)
1184 if test -x nm$host_exeext; then
1185 gcc_cv_nm=./nm$host_exeext
1186 elif test x$host = x$target; then
1188 gcc_cv_nm=nm$host_exeext
1190 AC_MSG_RESULT($gcc_cv_nm)
1192 # Figure out what assembler alignment features are present.
1193 AC_MSG_CHECKING(assembler alignment features)
1194 gcc_cv_as_alignment_features=none
1195 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1196 # Gas version 2.6 and later support for .balign and .p2align.
1197 # bytes to skip when using .p2align.
1198 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1199 gcc_cv_as_alignment_features=".balign and .p2align"
1200 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1202 # Gas version 2.8 and later support specifying the maximum
1203 # bytes to skip when using .p2align.
1204 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1205 gcc_cv_as_alignment_features=".p2align including maximum skip"
1206 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1208 elif test x$gcc_cv_as != x; then
1209 # Check if we have .balign and .p2align
1210 echo ".balign 4" > conftest.s
1211 echo ".p2align 2" >> conftest.s
1212 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1213 gcc_cv_as_alignment_features=".balign and .p2align"
1214 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1216 rm -f conftest.s conftest.o
1217 # Check if specifying the maximum bytes to skip when
1218 # using .p2align is supported.
1219 echo ".p2align 4,,7" > conftest.s
1220 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1221 gcc_cv_as_alignment_features=".p2align including maximum skip"
1222 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1224 rm -f conftest.s conftest.o
1226 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1228 AC_MSG_CHECKING(assembler subsection support)
1229 gcc_cv_as_subsections=no
1230 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1231 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1232 gcc_cv_as_subsections="working .subsection -1"
1234 elif test x$gcc_cv_as != x; then
1235 # Check if we have .subsection
1236 echo ".subsection 1" > conftest.s
1237 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1238 gcc_cv_as_subsections=".subsection"
1239 if test x$gcc_cv_nm != x; then
1240 cat > conftest.s <<EOF
1241 conftest_label1: .word 0
1243 conftest_label2: .word 0
1246 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1247 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1248 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1249 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1252 gcc_cv_as_subsections="working .subsection -1"
1257 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1259 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1260 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1261 [Define if your assembler supports .subsection and .subsection -1 starts
1262 emitting at the beginning of your section.])
1264 AC_MSG_RESULT($gcc_cv_as_subsections)
1266 AC_MSG_CHECKING(assembler weak support)
1268 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1269 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1270 gcc_cv_as_weak="yes"
1272 elif test x$gcc_cv_as != x; then
1273 # Check if we have .weak
1274 echo " .weak foobar" > conftest.s
1275 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1276 gcc_cv_as_weak="yes"
1278 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1280 if test x"$gcc_cv_as_weak" = xyes; then
1281 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1283 AC_MSG_RESULT($gcc_cv_as_weak)
1285 AC_MSG_CHECKING(assembler hidden support)
1287 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1288 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 10 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1289 gcc_cv_as_hidden="yes"
1291 elif test x$gcc_cv_as != x; then
1292 # Check if we have .hidden
1293 echo " .hidden foobar" > conftest.s
1294 echo "foobar:" >> conftest.s
1295 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1296 gcc_cv_as_hidden="yes"
1298 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1300 if test x"$gcc_cv_as_hidden" = xyes; then
1301 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1302 [Define if your assembler supports .hidden.])
1304 AC_MSG_RESULT($gcc_cv_as_hidden)
1306 AC_MSG_CHECKING(assembler leb128 support)
1308 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1309 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 10 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1310 gcc_cv_as_leb128="yes"
1312 elif test x$gcc_cv_as != x; then
1313 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1314 cat > conftest.s <<EOF
1322 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1323 gcc_cv_as_leb128="yes"
1325 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1327 if test x"$gcc_cv_as_leb128" = xyes; then
1328 AC_DEFINE(HAVE_AS_LEB128, 1,
1329 [Define if your assembler supports .uleb128.])
1331 AC_MSG_RESULT($gcc_cv_as_leb128)
1335 AC_CACHE_CHECK([assembler .register pseudo-op support],
1336 gcc_cv_as_register_pseudo_op, [
1337 gcc_cv_as_register_pseudo_op=unknown
1338 if test x$gcc_cv_as != x; then
1339 # Check if we have .register
1340 echo ".register %g2, #scratch" > conftest.s
1341 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1342 gcc_cv_as_register_pseudo_op=yes
1344 gcc_cv_as_register_pseudo_op=no
1346 rm -f conftest.s conftest.o
1349 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1350 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1351 [Define if your assembler supports .register.])
1354 AC_CACHE_CHECK([assembler supports -relax],
1355 gcc_cv_as_relax_opt, [
1356 gcc_cv_as_relax_opt=unknown
1357 if test x$gcc_cv_as != x; then
1358 # Check if gas supports -relax
1359 echo ".text" > conftest.s
1360 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1361 gcc_cv_as_relax_opt=yes
1363 gcc_cv_as_relax_opt=no
1365 rm -f conftest.s conftest.o
1368 if test "x$gcc_cv_as_relax_opt" = xyes; then
1369 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1370 [Define if your assembler supports -relax option.])
1375 AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],
1376 gcc_cv_as_flags64, [
1377 if test -n "$gcc_cv_as"; then
1378 echo ".xword foo" > conftest.s
1379 gcc_cv_as_flags64=no
1380 for flag in "-xarch=v9" "-64 -Av9"; do
1381 if $gcc_cv_as $flag -o conftest.o conftest.s \
1382 > /dev/null 2>&1; then
1383 gcc_cv_as_flags64=$flag
1387 rm -f conftest.s conftest.o
1389 if test "$gas" = yes; then
1390 gcc_cv_as_flags64="-64 -Av9"
1392 gcc_cv_as_flags64="-xarch=v9"
1396 if test "x$gcc_cv_as_flags64" = xno; then
1398 tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1399 dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1402 AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64",
1403 [Define if the assembler supports 64bit sparc.])
1406 *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no}
1410 if test "x$gcc_cv_as_flags64" != xno; then
1411 AC_CACHE_CHECK([for assembler offsetable %lo() support],
1412 gcc_cv_as_offsetable_lo10, [
1413 gcc_cv_as_offsetable_lo10=unknown
1414 if test "x$gcc_cv_as" != x; then
1415 # Check if assembler has offsetable %lo()
1416 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
1417 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
1418 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
1420 $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
1421 > /dev/null 2>&1; then
1422 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
1423 gcc_cv_as_offsetable_lo10=no
1425 gcc_cv_as_offsetable_lo10=yes
1428 gcc_cv_as_offsetable_lo10=no
1430 rm -f conftest.s conftest.o conftest1.s conftest1.o
1433 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
1434 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
1435 [Define if your assembler supports offsetable %lo().])
1443 AC_MSG_CHECKING(assembler instructions)
1444 gcc_cv_as_instructions=
1445 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1446 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
1447 gcc_cv_as_instructions="filds fists"
1449 elif test x$gcc_cv_as != x; then
1450 set "filds fists" "filds mem; fists mem"
1453 echo "$2" > conftest.s
1454 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1455 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
1459 rm -f conftest.s conftest.o
1461 if test x"$gcc_cv_as_instructions" != x; then
1462 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
1464 AC_MSG_RESULT($gcc_cv_as_instructions)
1468 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
1469 gcc_cv_as_dwarf2_debug_line=no
1470 # ??? Not all targets support dwarf2 debug_line, even within a version
1471 # of gas. Moreover, we need to emit a valid instruction to trigger any
1472 # info to the output file. So, as supported targets are added to gas 2.11,
1473 # add some instruction here to (also) show we expect this might work.
1474 # ??? Once 2.11 is released, probably need to add first known working
1475 # version to the per-target configury.
1477 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-*)
1484 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1486 if test "$gcc_cv_gas_major_version" -eq 2 \
1487 -a "$gcc_cv_gas_minor_version" -ge 11 \
1488 -o "$gcc_cv_gas_major_version" -gt 2 \
1489 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1490 && test x"$insn" != x ; then
1491 gcc_cv_as_dwarf2_debug_line="yes"
1493 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1494 echo ' .file 1 "conftest.s"' > conftest.s
1495 echo ' .loc 1 3 0' >> conftest.s
1496 echo " $insn" >> conftest.s
1497 # ??? This fails with non-gnu grep.
1498 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1499 && grep debug_line conftest.o > /dev/null 2>&1 ; then
1500 # The .debug_line file table must be in the exact order that
1501 # we specified the files, since these indicies are also used
1502 # by DW_AT_decl_file. Approximate this test by testing if
1503 # the assembler bitches if the same index is assigned twice.
1504 echo ' .file 1 "foo.s"' > conftest.s
1505 echo ' .file 1 "bar.s"' >> conftest.s
1506 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
1508 gcc_cv_as_dwarf2_debug_line="no"
1510 gcc_cv_as_dwarf2_debug_line="yes"
1513 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1515 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
1516 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
1517 [Define if your assembler supports dwarf2 .file/.loc directives,
1518 and preserves file table indicies exactly as given.])
1520 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
1522 # Figure out what language subdirectories are present.
1523 # Look if the user specified --enable-languages="..."; if not, use
1524 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1526 if test x"${enable_languages+set}" != xset; then
1527 if test x"${LANGUAGES+set}" = xset; then
1528 enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
1530 enable_languages=all
1533 if test x"${enable_languages}" = x; then
1534 AC_MSG_ERROR([--enable-languages needs at least one argument])
1538 # First scan to see if an enabled language requires some other language.
1539 # We assume that a given config-lang.in will list all the language
1540 # front ends it requires, even if some are required indirectly.
1541 for lang in ${srcdir}/*/config-lang.in ..
1546 # The odd quoting in the next line works around
1547 # an apparent bug in bash 1.12 on linux.
1549 ${srcdir}/[*]/config-lang.in)
1552 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
1553 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
1554 for other in $this_lang_requires
1556 case ,${enable_languages}, in
1562 enable_languages="$enable_languages,$other"
1572 for lang in ${srcdir}/*/config-lang.in ..
1576 # The odd quoting in the next line works around
1577 # an apparent bug in bash 1.12 on linux.
1579 ${srcdir}/[*]/config-lang.in) ;;
1581 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
1582 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
1583 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
1584 if test "x$lang_alias" = x
1586 echo "$lang doesn't set \$language." 1>&2
1589 case ${build_by_default},${enable_languages}, in
1590 *,$lang_alias,*) add_this_lang=yes ;;
1591 no,*) add_this_lang=no ;;
1592 *,all,*) add_this_lang=yes ;;
1593 *) add_this_lang=no ;;
1595 if test x"${add_this_lang}" = xyes; then
1597 ${srcdir}/ada/config-lang.in)
1598 if test x$have_gnat = xyes ; then
1599 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
1603 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
1612 # Make gthr-default.h if we have a thread file.
1614 if test $thread_file != single; then
1615 rm -f gthr-default.h
1616 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
1617 gthread_flags=-DHAVE_GTHR_DEFAULT
1619 AC_SUBST(gthread_flags)
1621 # Find out what GC implementation we want, or may, use.
1623 [ --with-gc={simple,page} Choose the garbage collection mechanism to use
1624 with the compiler.],
1630 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
1635 echo "Using $GGC for garbage collection."
1637 # Use the system's zlib library.
1639 zlibinc="-I\$(srcdir)/../zlib"
1640 AC_ARG_WITH(system-zlib,
1641 [ --with-system-zlib use installed libz],
1648 AC_DEFINE_UNQUOTED(ENABLE_STD_NAMESPACE, 1,
1649 [Define to 1 if you want to enable namespaces (-fhonor-std) by default.])
1651 dnl Very limited version of automake's enable-maintainer-mode
1653 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
1654 dnl maintainer-mode is disabled by default
1655 AC_ARG_ENABLE(maintainer-mode,
1656 [ --enable-maintainer-mode enable make rules and dependencies not useful
1657 (and sometimes confusing) to the casual installer],
1658 maintainer_mode=$enableval,
1661 AC_MSG_RESULT($maintainer_mode)
1663 if test "$maintainer_mode" = "yes"; then
1670 # Make empty files to contain the specs and options for each language.
1671 # Then add #include lines to for a compiler that has specs and/or options.
1676 rm -f specs.h options.h gencheck.h
1677 touch specs.h options.h gencheck.h
1678 for subdir in . $subdirs
1680 if test -f $srcdir/$subdir/lang-specs.h; then
1681 echo "#include \"$subdir/lang-specs.h\"" >>specs.h
1682 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
1684 if test -f $srcdir/$subdir/lang-options.h; then
1685 echo "#include \"$subdir/lang-options.h\"" >>options.h
1686 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
1688 if test -f $srcdir/$subdir/$subdir-tree.def; then
1689 echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h
1690 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
1694 # These (without "all_") are set in each config-lang.in.
1695 # `language' must be a single word so is spelled singularly.
1701 all_outputs='Makefile intl/Makefile po/Makefile.in fixinc/Makefile gccbug mklibgcc'
1702 # List of language makefile fragments.
1707 # Add the language fragments.
1708 # Languages are added via two mechanisms. Some information must be
1709 # recorded in makefile variables, these are defined in config-lang.in.
1710 # We accumulate them and plug them into the main Makefile.
1711 # The other mechanism is a set of hooks for each of the main targets
1712 # like `clean', `install', etc.
1714 language_fragments="Make-lang"
1715 language_hooks="Make-hooks"
1717 for s in .. $subdirs
1729 . ${srcdir}/$s/config-lang.in
1730 if test "x$language" = x
1732 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
1735 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
1736 if test -f ${srcdir}/$s/Makefile.in
1737 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
1739 all_languages="$all_languages $language"
1740 if test "x$boot_language" = xyes
1742 all_boot_languages="$all_boot_languages $language"
1744 all_compilers="$all_compilers $compilers"
1745 all_stagestuff="$all_stagestuff $stagestuff"
1746 all_diff_excludes="$all_diff_excludes $diff_excludes"
1747 all_headers="$all_headers $headers"
1748 all_outputs="$all_outputs $outputs"
1749 all_lib2funcs="$all_lib2funcs $lib2funcs"
1754 for language in .. $all_languages
1756 if test $language != ".."
1758 check_languages="$check_languages check-$language"
1762 # Since we can't use `::' targets, we link each language in
1763 # with a set of hooks, reached indirectly via lang.${target}.
1767 target_list="all.build all.cross start.encap rest.encap \
1769 install-normal install-common install-info install-man \
1771 mostlyclean clean distclean extraclean maintainer-clean \
1772 stage1 stage2 stage3 stage4"
1773 for t in $target_list
1776 for lang in .. $all_languages
1778 if test $lang != ".."; then
1782 echo "lang.$t: $x" >> Make-hooks
1787 echo "dir ." > .gdbinit
1788 echo "dir ${srcdir}" >> .gdbinit
1789 if test x$gdb_needs_out_file_path = xyes
1791 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
1793 if test "x$subdirs" != x; then
1796 echo "dir ${srcdir}/$s" >> .gdbinit
1799 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
1801 # Define variables host_canonical and build_canonical
1802 # because some Cygnus local changes in the Makefile depend on them.
1803 build_canonical=${build}
1804 host_canonical=${host}
1806 if test "${host}" != "${target}" ; then
1807 target_subdir=${target}/
1809 AC_SUBST(build_canonical)
1810 AC_SUBST(host_canonical)
1811 AC_SUBST(target_subdir)
1813 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
1814 # absolute path for gcc_tooldir based on inserting the number of up-directory
1815 # movements required to get from $(exec_prefix) to $(prefix) into the basic
1816 # $(libsubdir)/@(unlibsubdir) based path.
1817 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
1818 # make and thus we'd get different behavior depending on where we built the
1820 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
1821 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
1823 changequote(<<, >>)dnl
1824 # An explanation of the sed strings:
1825 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
1826 # -e 's|/$||' match a trailing forward slash and eliminates it
1827 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
1828 # -e 's|/[^/]*|../|g' replaces each occurance of /<directory> with ../
1830 # (*) Note this pattern overwrites the first character of the string
1831 # with a forward slash if one is not already present. This is not a
1832 # problem because the exact names of the sub-directories concerned is
1833 # unimportant, just the number of them matters.
1835 # The practical upshot of these patterns is like this:
1837 # prefix exec_prefix result
1838 # ------ ----------- ------
1840 # /foo/ /foo/bar ../
1841 # /foo /foo/bar/ ../
1842 # /foo/ /foo/bar/ ../
1843 # /foo /foo/bar/ugg ../../
1846 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
1847 changequote([, ])dnl
1849 AC_SUBST(gcc_tooldir)
1852 # Find a directory in which to install a shared libgcc.
1854 AC_ARG_ENABLE(version-specific-runtime-libs,
1855 [ --enable-version-specific-runtime-libs Specify that runtime libraries shou
1856 ld be installed in a compiler-specific directory ])
1858 AC_ARG_WITH(slibdir,
1859 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
1860 slibdir="$with_slibdir",
1861 if test "${enable_version_specific_runtime_libs+set}" = set; then
1862 slibdir='$(libsubdir)'
1863 elif test "$host" != "$target"; then
1864 slibdir='$(build_tooldir)/lib'
1870 # Nothing to do for FLOAT_H, float_format already handled.
1874 # Process the language and host/target makefile fragments.
1875 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
1877 # Substitute configuration variables
1879 AC_SUBST(all_boot_languages)
1880 AC_SUBST(all_compilers)
1881 AC_SUBST(all_diff_excludes)
1882 AC_SUBST(all_headers)
1883 AC_SUBST(all_lang_makefiles)
1884 AC_SUBST(all_languages)
1885 AC_SUBST(all_lib2funcs)
1886 AC_SUBST(all_stagestuff)
1887 AC_SUBST(build_exeext)
1888 AC_SUBST(build_install_headers_dir)
1889 AC_SUBST(build_xm_file_list)
1890 AC_SUBST(build_xm_file)
1891 AC_SUBST(build_xm_defines)
1892 AC_SUBST(check_languages)
1893 AC_SUBST(cc_set_by_configure)
1894 AC_SUBST(quoted_cc_set_by_configure)
1895 AC_SUBST(cpp_install_dir)
1896 AC_SUBST(dep_host_xmake_file)
1897 AC_SUBST(dep_tmake_file)
1898 AC_SUBST(extra_c_flags)
1899 AC_SUBST(extra_headers_list)
1900 AC_SUBST(extra_objs)
1901 AC_SUBST(extra_parts)
1902 AC_SUBST(extra_passes)
1903 AC_SUBST(extra_programs)
1904 AC_SUBST(float_h_file)
1905 AC_SUBST(gcc_config_arguments)
1906 AC_SUBST(gcc_gxx_include_dir)
1907 AC_SUBST(libstdcxx_incdir)
1908 AC_SUBST(gcc_version)
1909 AC_SUBST(gcc_version_full)
1910 AC_SUBST(gcc_version_trigger)
1911 AC_SUBST(host_exeext)
1912 AC_SUBST(host_extra_gcc_objs)
1913 AC_SUBST(host_xm_file_list)
1914 AC_SUBST(host_xm_file)
1915 AC_SUBST(host_xm_defines)
1917 AC_SUBST(lang_options_files)
1918 AC_SUBST(lang_specs_files)
1919 AC_SUBST(lang_tree_files)
1920 AC_SUBST(local_prefix)
1921 AC_SUBST(maybe_use_collect2)
1923 AC_SUBST(objc_boehm_gc)
1925 AC_SUBST(out_object_file)
1926 AC_SUBST(stage_prefix_set_by_configure)
1927 AC_SUBST(symbolic_link)
1928 AC_SUBST(thread_file)
1929 AC_SUBST(tm_file_list)
1931 AC_SUBST(tm_p_file_list)
1934 AC_SUBST(xm_defines)
1935 AC_SUBST(will_use_collect2)
1936 AC_SUBST(c_target_objs)
1937 AC_SUBST(cxx_target_objs)
1938 AC_SUBST(target_cpu_default)
1940 AC_SUBST_FILE(target_overrides)
1941 AC_SUBST_FILE(host_overrides)
1942 AC_SUBST(cross_defines)
1943 AC_SUBST_FILE(cross_overrides)
1944 AC_SUBST_FILE(build_overrides)
1945 AC_SUBST_FILE(language_fragments)
1946 AC_SUBST_FILE(language_hooks)
1948 # Echo that links are built
1949 if test x$host = x$target
1957 if test x$host != x$build
1959 str3=" on a $build system"
1962 if test "x$str2" != x || test "x$str3" != x
1967 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
1969 if test "x$str2" != x || test "x$str3" != x
1971 echo " ${str2}${str3}." 1>&2
1974 # Truncate the target if necessary
1975 if test x$host_truncate_target != x; then
1976 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
1979 # Configure the subdirectories
1980 # AC_CONFIG_SUBDIRS($subdirs)
1982 # Create the Makefile
1983 # and configure language subdirectories
1984 AC_OUTPUT($all_outputs,
1986 case x$CONFIG_HEADERS in
1987 xauto-host.h:config.in)
1990 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
1991 # bootstrapping and the installation procedure can still use
1992 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
1993 # FLAGS_TO_PASS has been modified to solve the problem there.
1994 # This is virtually a duplicate of what happens in configure.lang; we do
1995 # an extra check to make sure this only happens if ln -s can be used.
1996 if test "$symbolic_link" = "ln -s"; then
1997 for d in .. ${subdirs} ; do
1998 if test $d != ..; then
2001 for t in stage1 stage2 stage3 stage4 include
2004 $symbolic_link ../$t $t 2>/dev/null
2010 # Avoid having to add intl to our include paths.
2011 if test -f intl/libintl.h; then
2012 echo creating libintl.h
2013 echo '#include "intl/libintl.h"' >libintl.h
2020 target_alias='${target_alias}'
2022 subdirs='${subdirs}'
2023 symbolic_link='${symbolic_link}'
2024 program_transform_set='${program_transform_set}'
2025 program_transform_name='${program_transform_name}'
2026 dep_host_xmake_file='${dep_host_xmake_file}'
2027 host_xmake_file='${host_xmake_file}'
2028 dep_tmake_file='${dep_tmake_file}'
2029 tmake_file='${tmake_file}'
2030 thread_file='${thread_file}'
2031 gcc_config_arguments='${gcc_config_arguments}'
2032 gcc_version='${gcc_version}'
2033 gcc_version_full='${gcc_version_full}'
2034 gcc_version_trigger='${gcc_version_trigger}'
2035 local_prefix='${local_prefix}'
2036 build_install_headers_dir='${build_install_headers_dir}'
2037 build_exeext='${build_exeext}'
2038 host_exeext='${host_exeext}'
2039 out_file='${out_file}'
2040 gdb_needs_out_file_path='${gdb_needs_out_file_path}'
2041 SET_MAKE='${SET_MAKE}'
2042 target_list='${target_list}'
2043 target_overrides='${target_overrides}'
2044 host_overrides='${host_overrides}'
2045 cross_defines='${cross_defines}'
2046 cross_overrides='${cross_overrides}'
2047 build_overrides='${build_overrides}'
2048 cpp_install_dir='${cpp_install_dir}'