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 GCC.
8 #GCC is free software; you can redistribute it and/or modify it under
9 #the terms of the GNU General Public License as published by the Free
10 #Software Foundation; either version 2, or (at your option) any later
13 #GCC is distributed in the hope that it will be useful, but WITHOUT
14 #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 #You should have received a copy of the GNU General Public License
19 #along with GCC; see the file COPYING. If not, write to the Free
20 #Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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 | xrtems| 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$enable_objc_gc = xno; then
312 [ --with-dwarf2 force the default debug format to be DWARF 2],
313 dwarf2="$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)
371 # sizeof(char) is 1 by definition.
372 gcc_AC_COMPILE_CHECK_SIZEOF(short)
373 gcc_AC_COMPILE_CHECK_SIZEOF(int)
374 gcc_AC_COMPILE_CHECK_SIZEOF(long)
375 if test $ac_cv_c_long_long = yes; then
376 gcc_AC_COMPILE_CHECK_SIZEOF(long long)
378 if test $ac_cv_c___int64 = yes; then
379 gcc_AC_COMPILE_CHECK_SIZEOF(__int64)
384 # If the native compiler is GCC, we can enable warnings even in stage1.
385 # That's useful for people building cross-compilers, or just running a
388 if test "x$GCC" = "xyes"; then
389 warn_cflags='$(GCC_WARN_CFLAGS)'
391 AC_SUBST(warn_cflags)
393 # Stage specific cflags for build.
399 stage1_cflags="-Wa,-J"
405 AC_SUBST(stage1_cflags)
409 AC_MSG_CHECKING([whether a default assembler was specified])
410 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
411 if test x"$gas_flag" = x"no"; then
412 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
414 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
420 AC_MSG_CHECKING([whether a default linker was specified])
421 if test x"${DEFAULT_LINKER+set}" = x"set"; then
422 if test x"$gnu_ld_flag" = x"no"; then
423 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
425 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
431 AC_MSG_CHECKING(for GNU C library)
432 AC_CACHE_VAL(gcc_cv_glibc,
434 [#include <features.h>],[
435 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
436 #error Not a GNU C library system
440 AC_MSG_RESULT($gcc_cv_glibc)
441 if test $gcc_cv_glibc = yes; then
442 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
445 # Find some useful tools
454 gcc_AC_HEADER_STDBOOL
457 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
458 fcntl.h unistd.h sys/file.h sys/time.h \
459 sys/resource.h sys/param.h sys/times.h sys/stat.h \
460 direct.h malloc.h langinfo.h)
462 # Check for thread headers.
463 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
464 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
466 # These tests can't be done till we know if we have limits.h.
468 gcc_AC_C_COMPILE_ENDIAN
469 gcc_AC_C_FLOAT_FORMAT
471 # See if GNAT has been installed
474 # See if we have the mktemp command.
475 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
477 # Do we have a single-tree copy of texinfo?
478 if test -f $srcdir/../texinfo/Makefile.in; then
479 MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
480 gcc_cv_prog_makeinfo_modern=yes
481 AC_MSG_RESULT([Using makeinfo from the unified source tree.])
483 # See if makeinfo has been installed and is modern enough
484 # that we can use it.
485 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
486 [GNU texinfo.* \([0-9][0-9.]*\)],
490 if test $gcc_cv_prog_makeinfo_modern = no; then
492 *** Makeinfo is missing or too old.
493 *** Info documentation will not be built.])
496 BUILD_INFO=info AC_SUBST(BUILD_INFO)
499 # Is pod2man recent enough to regenerate manpages?
500 AC_MSG_CHECKING([for recent Pod::Man])
501 if perl -e 'use 1.10 Pod::Man' >/dev/null 2>&1; then
503 GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
510 dnl Don't use AC_PROG_LEX; we insist on flex.
511 dnl LEXLIB is not useful in gcc.
512 if test -f $srcdir/../flex/skel.c; then
513 FLEX='$(objdir)/../flex/flex'
515 AC_CHECK_PROG(FLEX, flex, flex, false)
519 # The -L switch is so bison can find its skeleton file.
520 if test -f $srcdir/../bison/bison.simple; then
521 BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
523 AC_CHECK_PROG(BISON, bison, bison, false)
526 # These libraries may be used by collect2.
527 # We may need a special search path to get them linked.
528 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
530 for libs in '' -lld -lmld \
531 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
532 '-L/usr/lib/cmplrs/cc3.11 -lmld'
535 AC_TRY_LINK_FUNC(ldopen,
536 [gcc_cv_collect2_libs="$libs"; break])
539 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
540 case $gcc_cv_collect2_libs in
542 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
544 AC_SUBST(COLLECT2_LIBS)
546 # When building Ada code on Alpha, we need exc_resume which is usually in
547 # -lexc. So test for it.
550 AC_SEARCH_LIBS(exc_resume, exc)
553 AC_SUBST(GNAT_LIBEXC)
555 # See if the stage1 system preprocessor understands the ANSI C
556 # preprocessor stringification operator. (Used by symcat.h.)
559 # Use <inttypes.h> only if it exists,
560 # doesn't clash with <sys/types.h>, and declares intmax_t.
561 AC_MSG_CHECKING(for inttypes.h)
562 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
564 [#include <sys/types.h>
565 #include <inttypes.h>],
567 [gcc_cv_header_inttypes_h=yes],
568 gcc_cv_header_inttypes_h=no)])
569 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
570 if test $gcc_cv_header_inttypes_h = yes; then
571 AC_DEFINE(HAVE_INTTYPES_H, 1,
572 [Define if you have a working <inttypes.h> header file.])
575 dnl Disabled until we have a complete test for buggy enum bitfields.
576 dnl gcc_AC_C_ENUM_BF_UNSIGNED
578 AC_CHECK_FUNCS(strtoul bsearch popen times clock \
579 strchr strrchr kill getrlimit setrlimit atoll atoq \
580 sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \
581 fputs_unlocked fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \
584 AC_CHECK_TYPE(ssize_t, int)
586 # Try to determine the array type of the second argument of getgroups
587 # for the target system (int or gid_t).
589 if test "${target}" = "${build}"; then
590 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
593 # This condition may need some tweaking. It should include all
594 # targets where the array type of the second argument of getgroups
595 # is int and the type of gid_t is not equivalent to int.
596 *-*-sunos* | *-*-ultrix*)
597 TARGET_GETGROUPS_T=int
600 TARGET_GETGROUPS_T=gid_t
604 AC_SUBST(TARGET_GETGROUPS_T)
606 gcc_AC_FUNC_VFPRINTF_DOPRNT
608 gcc_AC_FUNC_PRINTF_PTR
613 *** UWIN may not be used as a host platform because
614 *** linking with posix.dll is not allowed by the GNU GPL])
618 AC_FUNC_MMAP_ANYWHERE
623 # We will need to find libiberty.h and ansidecl.h
624 saved_CFLAGS="$CFLAGS"
625 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
626 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
627 strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
628 fprintf_unlocked strstr environ errno \
629 malloc realloc calloc free basename getopt clock, , ,[
630 #include "ansidecl.h"
631 #include "system.h"])
633 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
634 #include "ansidecl.h"
636 #ifdef HAVE_SYS_RESOURCE_H
637 #include <sys/resource.h>
641 gcc_AC_CHECK_DECLS(times, , ,[
642 #include "ansidecl.h"
644 #ifdef HAVE_SYS_TIMES_H
645 #include <sys/times.h>
649 # More time-related stuff.
650 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
652 #include "ansidecl.h"
654 #ifdef HAVE_SYS_TIMES_H
655 #include <sys/times.h>
657 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
658 if test $ac_cv_struct_tms = yes; then
659 AC_DEFINE(HAVE_STRUCT_TMS, 1,
660 [Define if <sys/times.h> defines struct tms.])
663 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
664 # revisit after autoconf 2.50.
665 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
667 #include "ansidecl.h"
669 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
670 if test $gcc_cv_type_clock_t = yes; then
671 AC_DEFINE(HAVE_CLOCK_T, 1,
672 [Define if <time.h> defines clock_t.])
675 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
676 CFLAGS="$saved_CFLAGS"
678 # mkdir takes a single argument on some systems.
679 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
689 build_install_headers_dir=install-headers-tar
694 host_truncate_target=
697 # Decode the host machine, then the target machine.
698 # For the host machine, we save the xm_file variable as host_xm_file;
699 # then we decode the target machine and forget everything else
700 # that came from the host machine.
701 for machine in $build $host $target; do
702 . ${srcdir}/config.gcc
705 extra_objs="${host_extra_objs} ${extra_objs}"
707 # Default the target-machine variables that were not explicitly set.
708 if test x"$tm_file" = x
709 then tm_file=$cpu_type/$cpu_type.h; fi
711 if test x"$extra_headers" = x
712 then extra_headers=; fi
714 if test x$md_file = x
715 then md_file=$cpu_type/$cpu_type.md; fi
717 if test x$out_file = x
718 then out_file=$cpu_type/$cpu_type.c; fi
720 if test x"$tmake_file" = x
721 then tmake_file=$cpu_type/t-$cpu_type
724 if test x"$dwarf2" = xyes
725 then tm_file="$tm_file tm-dwarf2.h"
728 if test x$float_format = x
729 then float_format=i64
732 if test $float_format = none
733 then float_h_file=Makefile.in
734 else float_h_file=float-$float_format.h
737 # Handle cpp installation.
738 if test x$enable_cpp != xno
740 tmake_file="$tmake_file t-install-cpp"
743 # Say what files are being used for the output code and MD file.
744 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
745 echo "Using \`$srcdir/config/$md_file' as machine description file."
747 # If any of the xm_file variables contain nonexistent files, warn
748 # about them and drop them.
751 for x in $build_xm_file; do
752 if test -f $srcdir/config/$x
754 else AC_MSG_WARN($srcdir/config/$x does not exist.)
760 for x in $host_xm_file; do
761 if test -f $srcdir/config/$x
763 else AC_MSG_WARN($srcdir/config/$x does not exist.)
769 for x in $xm_file; do
770 if test -f $srcdir/config/$x
772 else AC_MSG_WARN($srcdir/config/$x does not exist.)
778 for f in $tm_file; do
781 if test $count = ax; then
782 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
784 echo "Using the following target machine macro files:"
785 for f in $tm_file; do
786 echo " $srcdir/config/$f"
791 for f in $host_xm_file; do
794 if test $count = a; then
796 elif test $count = ax; then
797 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
799 echo "Using the following host machine macro files:"
800 for f in $host_xm_file; do
801 echo " $srcdir/config/$f"
805 if test "$host_xm_file" != "$build_xm_file"; then
807 for f in $build_xm_file; do
810 if test $count = a; then
812 elif test $count = ax; then
813 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
815 echo "Using the following build machine macro files:"
816 for f in $build_xm_file; do
817 echo " $srcdir/config/$f"
822 if test x$thread_file = x; then
823 if test x$target_thread_file != x; then
824 thread_file=$target_thread_file
830 # auto-host.h is the file containing items generated by autoconf and is
831 # the first file included by config.h.
832 # If host=build, it is correct to have hconfig include auto-host.h
833 # as well. If host!=build, we are in error and need to do more
834 # work to find out the build config parameters.
835 if test x$host = x$build
837 build_auto=auto-host.h
839 # We create a subdir, then run autoconf in the subdir.
840 # To prevent recursion we set host and build for the new
841 # invocation of configure to the build for this invocation
848 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
849 *) realsrcdir=../${srcdir};;
851 saved_CFLAGS="${CFLAGS}"
852 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
853 ${realsrcdir}/configure \
854 --target=$target --host=$build --build=$build
855 CFLAGS="${saved_CFLAGS}"
857 # We just finished tests for the build machine, so rename
858 # the file auto-build.h in the gcc directory.
859 mv auto-host.h ../auto-build.h
862 build_auto=auto-build.h
865 tm_file="${tm_file} defaults.h"
866 host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}"
867 build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}"
868 xm_file="ansidecl.h ${xm_file} ${tm_file}"
870 # Truncate the target if necessary
871 if test x$host_truncate_target != x; then
872 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
875 # Get the version trigger filename from the toplevel
876 if test "${with_gcc_version_trigger+set}" = set; then
877 gcc_version_trigger=$with_gcc_version_trigger
879 gcc_version_trigger=${srcdir}/version.c
882 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
883 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
885 # Compile in configure arguments.
886 if test -f configargs.h ; then
887 # Being re-configured.
888 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
889 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
891 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
893 cat > configargs.h <<EOF
894 /* Generated automatically. */
895 static const char configuration_arguments[] = "$gcc_config_arguments";
896 static const char thread_model[] = "$thread_file";
900 # Internationalization
902 VERSION="$gcc_version"
903 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE",
904 [Define to the name of the distribution.])
905 AC_DEFINE_UNQUOTED(VERSION, "$VERSION",
906 [Define to the version of the distribution.])
910 # Enable NLS support by default
912 [ --enable-nls use Native Language Support (default)],
915 # if cross compiling, disable NLS support.
916 # It's not worth the trouble, at least for now.
918 if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
919 AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
925 # Windows32 Registry support for specifying GCC installation paths.
926 AC_ARG_ENABLE(win32-registry,
927 [ --disable-win32-registry
928 disable lookup of installation paths in the
929 Registry on Windows hosts
930 --enable-win32-registry enable registry lookup (default)
931 --enable-win32-registry=KEY
932 use KEY instead of GCC version as the last portion
933 of the registry key],,)
935 win32 | pe | cygwin* | mingw32* | uwin*)
936 AC_MSG_CHECKING(whether windows registry support is requested)
937 if test "x$enable_win32_registry" != xno; then
938 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
939 [Define to 1 if installation paths should be looked up in Windows32
940 Registry. Ignored on non windows32 hosts.])
942 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
947 # Check if user specified a different registry key.
948 case "x${enable_win32_registry}" in
951 gcc_cv_win32_registry_key="$VERSION"
954 # no registry lookup.
955 gcc_cv_win32_registry_key=''
958 # user-specified key.
959 gcc_cv_win32_registry_key="$enable_win32_registry"
963 if test "x$enable_win32_registry" != xno; then
964 AC_MSG_CHECKING(registry key on windows hosts)
965 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
966 [Define to be the last portion of registry key on windows hosts.])
967 AC_MSG_RESULT($gcc_cv_win32_registry_key)
972 # Get an absolute path to the GCC top-level source directory
978 # Conditionalize the makefile for this host machine.
979 # Make-host contains the concatenation of all host makefile fragments
980 # [there can be more than one]. This file is built by configure.frag.
981 host_overrides=Make-host
983 for f in .. ${host_xmake_file}
985 if test -f ${srcdir}/config/$f
987 dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
991 # Conditionalize the makefile for this target machine.
992 # Make-target contains the concatenation of all host makefile fragments
993 # [there can be more than one]. This file is built by configure.frag.
994 target_overrides=Make-target
996 for f in .. ${tmake_file}
998 if test -f ${srcdir}/config/$f
1000 dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
1004 # If the host doesn't support symlinks, modify CC in
1005 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1006 # Otherwise, we can use "CC=$(CC)".
1008 if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
1010 cc_set_by_configure="\$(CC)"
1011 quoted_cc_set_by_configure="\$(CC)"
1012 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1015 if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
1017 symbolic_link="cp -p"
1021 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1022 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1023 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1027 out_object_file=`basename $out_file .c`.o
1030 for f in $tm_file; do
1033 tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1035 tm_file_list="${tm_file_list} $f" ;;
1036 *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
1041 for f in $tm_p_file; do
1042 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1046 for f in $host_xm_file; do
1049 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1050 auto-host.h | defaults.h )
1051 host_xm_file_list="${host_xm_file_list} $f" ;;
1052 *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
1057 for f in $build_xm_file; do
1060 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
1061 auto-build.h | auto-host.h | defaults.h )
1062 build_xm_file_list="${build_xm_file_list} $f" ;;
1063 *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
1067 # Define macro CROSS_COMPILE in compilation
1068 # if this is a cross-compiler.
1069 # Also use all.cross instead of all.internal
1070 # and add cross-make to Makefile.
1071 cross_overrides="/dev/null"
1072 if test x$host != x$target
1074 cross_defines="CROSS=-DCROSS_COMPILE"
1075 cross_overrides="${topdir}/cross-make"
1078 # If this is a cross-compiler that does not
1079 # have its own set of headers then define
1082 # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
1083 # This prevents libgcc2 from containing any code which requires libc
1086 if [test x$host != x$target] && [test x$with_headers = x]; then
1087 inhibit_libc=-Dinhibit_libc
1089 if [test x$with_newlib = xyes]; then
1090 inhibit_libc=-Dinhibit_libc
1093 AC_SUBST(inhibit_libc)
1095 # When building gcc with a cross-compiler, we need to fix a few things.
1096 # This must come after cross-make as we want all.build to override
1098 build_overrides="/dev/null"
1099 if test x$build != x$host
1101 build_overrides="${topdir}/build-make"
1104 # Expand extra_headers to include complete path.
1105 # This substitutes for lots of t-* files.
1107 if test "x$extra_headers" = x
1110 # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
1111 for file in $extra_headers;
1113 extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
1117 if test x$use_collect2 = xno; then
1121 # Add a definition of USE_COLLECT2 if system wants one.
1122 if test x$use_collect2 != x
1124 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1125 xm_defines="${xm_defines} USE_COLLECT2"
1128 # If we have gas in the build tree, make a link to it.
1129 if test -f ../gas/Makefile; then
1130 rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
1133 # If we have nm in the build tree, make a link to it.
1134 if test -f ../binutils/Makefile; then
1135 rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
1138 # If we have ld in the build tree, make a link to it.
1139 if test -f ../ld/Makefile; then
1140 rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null
1143 # Figure out what assembler we will be using.
1144 AC_MSG_CHECKING(what assembler to use)
1146 gcc_cv_gas_major_version=
1147 gcc_cv_gas_minor_version=
1148 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1149 gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1150 if test -x "$DEFAULT_ASSEMBLER"; then
1151 gcc_cv_as="$DEFAULT_ASSEMBLER"
1152 elif test -x "$AS"; then
1154 elif test -x as$host_exeext; then
1155 # Build using assembler in the current directory.
1156 gcc_cv_as=./as$host_exeext
1157 elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then
1158 # Single tree build which includes gas.
1159 for f in $gcc_cv_as_bfd_srcdir/configure $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
1162 gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
1164 if test x$gcc_cv_gas_version != x; then
1169 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
1170 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1174 if test "x$gcc_cv_as" = x -a x$host = x$target; then
1176 # Search the same directories that the installed compiler will
1177 # search. Else we may find the wrong assembler and lose. If we
1178 # do not find a suitable assembler binary, then try the user's
1181 # Also note we have to check MD_EXEC_PREFIX before checking the
1182 # user's path. Unfortunately, there is no good way to get at the
1183 # value of MD_EXEC_PREFIX here. So we do a brute force search
1184 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1185 # to be fixed as part of the make/configure rewrite too.
1187 if test "x$exec_prefix" = xNONE; then
1188 if test "x$prefix" = xNONE; then
1189 test_prefix=/usr/local
1194 test_prefix=$exec_prefix
1197 # If the loop below does not find an assembler, then use whatever
1198 # one we can find in the users's path.
1200 gcc_cv_as=as$host_exeext
1202 test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
1203 $test_prefix/lib/gcc-lib/$target \
1204 /usr/lib/gcc/$target/$gcc_version \
1205 /usr/lib/gcc/$target \
1206 $test_prefix/$target/bin/$target/$gcc_version \
1207 $test_prefix/$target/bin \
1212 /bsd43/usr/lib/cmplrs/cc \
1213 /usr/cross64/usr/bin \
1214 /usr/lib/cmplrs/cc \
1215 /sysv/usr/lib/cmplrs/cc \
1216 /svr4/usr/lib/cmplrs/cc \
1219 for dir in $test_dirs; do
1220 if test -f $dir/as$host_exeext; then
1221 gcc_cv_as=$dir/as$host_exeext
1226 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1227 AC_MSG_RESULT("newly built gas")
1229 AC_MSG_RESULT($gcc_cv_as)
1232 # Figure out what nm we will be using.
1233 AC_MSG_CHECKING(what nm to use)
1234 if test -x nm$host_exeext; then
1235 gcc_cv_nm=./nm$host_exeext
1236 elif test x$host = x$target; then
1238 gcc_cv_nm=nm$host_exeext
1240 AC_MSG_RESULT($gcc_cv_nm)
1242 # Figure out what assembler alignment features are present.
1243 AC_MSG_CHECKING(assembler alignment features)
1244 gcc_cv_as_alignment_features=none
1245 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1246 # Gas version 2.6 and later support for .balign and .p2align.
1247 # bytes to skip when using .p2align.
1248 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
1249 gcc_cv_as_alignment_features=".balign and .p2align"
1250 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1252 # Gas version 2.8 and later support specifying the maximum
1253 # bytes to skip when using .p2align.
1254 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
1255 gcc_cv_as_alignment_features=".p2align including maximum skip"
1256 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1258 elif test x$gcc_cv_as != x; then
1259 # Check if we have .balign and .p2align
1260 echo ".balign 4" > conftest.s
1261 echo ".p2align 2" >> conftest.s
1262 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1263 gcc_cv_as_alignment_features=".balign and .p2align"
1264 AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
1266 rm -f conftest.s conftest.o
1267 # Check if specifying the maximum bytes to skip when
1268 # using .p2align is supported.
1269 echo ".p2align 4,,7" > conftest.s
1270 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1271 gcc_cv_as_alignment_features=".p2align including maximum skip"
1272 AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
1274 rm -f conftest.s conftest.o
1276 AC_MSG_RESULT($gcc_cv_as_alignment_features)
1278 AC_MSG_CHECKING(assembler subsection support)
1279 gcc_cv_as_subsections=no
1280 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1281 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1282 gcc_cv_as_subsections="working .subsection -1"
1284 elif test x$gcc_cv_as != x; then
1285 # Check if we have .subsection
1286 echo ".subsection 1" > conftest.s
1287 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1288 gcc_cv_as_subsections=".subsection"
1289 if test x$gcc_cv_nm != x; then
1290 cat > conftest.s <<EOF
1291 conftest_label1: .word 0
1293 conftest_label2: .word 0
1296 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1297 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
1298 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
1299 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
1302 gcc_cv_as_subsections="working .subsection -1"
1307 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1309 if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
1310 AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
1311 [Define if your assembler supports .subsection and .subsection -1 starts
1312 emitting at the beginning of your section.])
1314 AC_MSG_RESULT($gcc_cv_as_subsections)
1316 AC_MSG_CHECKING(assembler weak support)
1318 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1319 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
1320 gcc_cv_as_weak="yes"
1322 elif test x$gcc_cv_as != x; then
1323 # Check if we have .weak
1324 echo " .weak foobar" > conftest.s
1325 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1326 gcc_cv_as_weak="yes"
1328 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1330 if test x"$gcc_cv_as_weak" = xyes; then
1331 AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
1333 AC_MSG_RESULT($gcc_cv_as_weak)
1335 AC_MSG_CHECKING(assembler hidden support)
1337 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1338 if test "$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
1339 gcc_cv_as_hidden="yes"
1341 elif test x$gcc_cv_as != x; then
1342 # Check if we have .hidden
1343 echo " .hidden foobar" > conftest.s
1344 echo "foobar:" >> conftest.s
1345 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1346 gcc_cv_as_hidden="yes"
1348 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1350 if test x"$gcc_cv_as_hidden" = xyes; then
1351 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
1352 [Define if your assembler supports .hidden.])
1354 AC_MSG_RESULT($gcc_cv_as_hidden)
1356 AC_MSG_CHECKING(assembler leb128 support)
1358 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1359 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 11 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1360 gcc_cv_as_leb128="yes"
1362 elif test x$gcc_cv_as != x; then
1363 # Check if we have .[us]leb128, and support symbol arithmetic with it.
1364 cat > conftest.s <<EOF
1372 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1373 gcc_cv_as_leb128="yes"
1375 # GAS versions before 2.11 do not support uleb128,
1376 # despite appearing to.
1377 # ??? There exists an elf-specific test that will crash
1378 # the assembler. Perhaps it's better to figure out whether
1379 # arbitrary sections are supported and try the test.
1380 as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
1381 if echo "$as_ver" | grep GNU > /dev/null; then
1383 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
1384 as_major=`echo $as_ver | sed 's/\..*//'`
1385 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
1387 if test $as_major -eq 2 -a $as_minor -lt 11; then
1388 gcc_cv_as_leb128="no"
1392 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1394 if test x"$gcc_cv_as_leb128" = xyes; then
1395 AC_DEFINE(HAVE_AS_LEB128, 1,
1396 [Define if your assembler supports .uleb128.])
1398 AC_MSG_RESULT($gcc_cv_as_leb128)
1400 AC_MSG_CHECKING(assembler eh_frame optimization)
1401 gcc_cv_as_eh_frame=no
1402 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1403 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1404 gcc_cv_as_eh_frame="yes"
1406 elif test x$gcc_cv_as != x; then
1407 # Check if this is GAS.
1408 as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
1409 rm -f a.out 2> /dev/null
1410 if echo "$as_ver" | grep GNU > /dev/null; then
1411 # Versions up to and including 2.11.0 may mis-optimize
1412 # .eh_frame data. Try something.
1413 cat > conftest.s <<EOF
1420 .section .eh_frame,"aw",@progbits
1422 .4byte .LECIE1-.LSCIE1
1436 .4byte .LEFDE1-.LASFDE1
1438 .4byte .LASFDE1-__FRAME_BEGIN__
1447 cat > conftest.lit <<EOF
1448 0000 10000000 00000000 017a0001 781a0004 .........z..x...
1449 0010 01000000 12000000 18000000 00000000 ................
1450 0020 08000000 04080000 0044 .........D
1452 cat > conftest.big <<EOF
1453 0000 00000010 00000000 017a0001 781a0004 .........z..x...
1454 0010 00000001 00000012 00000018 00000000 ................
1455 0020 00000008 04000000 0844 .........D
1457 # If the assembler didn't choke, and we can objdump,
1458 # and we got the correct data, then succeed.
1459 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1460 && objdump -s -j .eh_frame conftest.o 2>/dev/null \
1461 | tail -3 > conftest.got \
1462 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
1463 || cmp conftest.big conftest.got > /dev/null 2>&1; }
1465 gcc_cv_as_eh_frame="yes"
1467 gcc_cv_as_eh_frame="bad"
1468 if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
1469 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
1470 [Define if your assembler mis-optimizes .eh_frame data.])
1476 AC_MSG_RESULT($gcc_cv_as_eh_frame)
1478 AC_MSG_CHECKING(assembler section merging support)
1479 gcc_cv_as_shf_merge=no
1480 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1481 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
1482 gcc_cv_as_shf_merge=yes
1484 elif test x$gcc_cv_as != x; then
1485 # Check if we support SHF_MERGE sections
1486 echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
1487 if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
1488 gcc_cv_as_shf_merge=yes
1490 rm -f conftest.s conftest.o
1492 if test x"$gcc_cv_as_shf_merge" = xyes; then
1493 AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
1494 [Define if your assembler supports marking sections with SHF_MERGE flag.])
1496 AC_MSG_RESULT($gcc_cv_as_shf_merge)
1500 AC_CACHE_CHECK([assembler .register pseudo-op support],
1501 gcc_cv_as_register_pseudo_op, [
1502 gcc_cv_as_register_pseudo_op=unknown
1503 if test x$gcc_cv_as != x; then
1504 # Check if we have .register
1505 echo ".register %g2, #scratch" > conftest.s
1506 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1507 gcc_cv_as_register_pseudo_op=yes
1509 gcc_cv_as_register_pseudo_op=no
1511 rm -f conftest.s conftest.o
1514 if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
1515 AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
1516 [Define if your assembler supports .register.])
1519 AC_CACHE_CHECK([assembler supports -relax],
1520 gcc_cv_as_relax_opt, [
1521 gcc_cv_as_relax_opt=unknown
1522 if test x$gcc_cv_as != x; then
1523 # Check if gas supports -relax
1524 echo ".text" > conftest.s
1525 if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
1526 gcc_cv_as_relax_opt=yes
1528 gcc_cv_as_relax_opt=no
1530 rm -f conftest.s conftest.o
1533 if test "x$gcc_cv_as_relax_opt" = xyes; then
1534 AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
1535 [Define if your assembler supports -relax option.])
1540 AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],
1541 gcc_cv_as_flags64, [
1542 if test -n "$gcc_cv_as"; then
1543 echo ".xword foo" > conftest.s
1544 gcc_cv_as_flags64=no
1545 for flag in "-xarch=v9" "-64 -Av9"; do
1546 if $gcc_cv_as $flag -o conftest.o conftest.s \
1547 > /dev/null 2>&1; then
1548 gcc_cv_as_flags64=$flag
1552 rm -f conftest.s conftest.o
1554 if test "$gas" = yes; then
1555 gcc_cv_as_flags64="-64 -Av9"
1557 gcc_cv_as_flags64="-xarch=v9"
1561 if test "x$gcc_cv_as_flags64" = xno; then
1563 tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1564 dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
1567 AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64",
1568 [Define if the assembler supports 64bit sparc.])
1571 *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no}
1575 if test "x$gcc_cv_as_flags64" != xno; then
1576 AC_CACHE_CHECK([for assembler offsetable %lo() support],
1577 gcc_cv_as_offsetable_lo10, [
1578 gcc_cv_as_offsetable_lo10=unknown
1579 if test "x$gcc_cv_as" != x; then
1580 # Check if assembler has offsetable %lo()
1581 echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
1582 echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
1583 if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
1585 $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
1586 > /dev/null 2>&1; then
1587 if cmp conftest.o conftest1.o > /dev/null 2>&1; then
1588 gcc_cv_as_offsetable_lo10=no
1590 gcc_cv_as_offsetable_lo10=yes
1593 gcc_cv_as_offsetable_lo10=no
1595 rm -f conftest.s conftest.o conftest1.s conftest1.o
1598 if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
1599 AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
1600 [Define if your assembler supports offsetable %lo().])
1607 i[34567]86-*-* | x86_64-*-*)
1609 AC_MSG_CHECKING(assembler instructions)
1610 gcc_cv_as_instructions=
1611 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
1612 if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
1613 gcc_cv_as_instructions="filds fists"
1615 elif test x$gcc_cv_as != x; then
1616 set "filds fists" "filds mem; fists mem"
1619 echo "$2" > conftest.s
1620 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1621 gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
1625 rm -f conftest.s conftest.o
1627 if test x"$gcc_cv_as_instructions" != x; then
1628 AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
1630 AC_MSG_RESULT($gcc_cv_as_instructions)
1632 AC_MSG_CHECKING(assembler GOTOFF in data directives)
1633 gcc_cv_as_gotoff_in_data=no
1634 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
1636 if test "$gcc_cv_gas_major_version" -eq 2 \
1637 -a "$gcc_cv_gas_minor_version" -ge 11 \
1638 -o "$gcc_cv_gas_major_version" -gt 2; then
1639 gcc_cv_as_gotoff_in_data=yes
1641 elif test x$gcc_cv_as != x; then
1642 cat > conftest.s <<EOF
1649 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
1650 gcc_cv_as_gotoff_in_data=yes
1653 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
1654 [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
1655 [Define true if the assembler supports '.long foo@GOTOFF'.])
1656 AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
1660 AC_MSG_CHECKING(assembler dwarf2 debug_line support)
1661 gcc_cv_as_dwarf2_debug_line=no
1662 # ??? Not all targets support dwarf2 debug_line, even within a version
1663 # of gas. Moreover, we need to emit a valid instruction to trigger any
1664 # info to the output file. So, as supported targets are added to gas 2.11,
1665 # add some instruction here to (also) show we expect this might work.
1666 # ??? Once 2.11 is released, probably need to add first known working
1667 # version to the per-target configury.
1669 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-*)
1676 if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
1678 if test "$gcc_cv_gas_major_version" -eq 2 \
1679 -a "$gcc_cv_gas_minor_version" -ge 11 \
1680 -o "$gcc_cv_gas_major_version" -gt 2 \
1681 && grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1682 && test x"$insn" != x ; then
1683 gcc_cv_as_dwarf2_debug_line="yes"
1685 elif test x$gcc_cv_as != x -a x"$insn" != x ; then
1686 echo ' .file 1 "conftest.s"' > conftest.s
1687 echo ' .loc 1 3 0' >> conftest.s
1688 echo " $insn" >> conftest.s
1689 # ??? This fails with non-gnu grep.
1690 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
1691 && grep debug_line conftest.o > /dev/null 2>&1 ; then
1692 # The .debug_line file table must be in the exact order that
1693 # we specified the files, since these indicies are also used
1694 # by DW_AT_decl_file. Approximate this test by testing if
1695 # the assembler bitches if the same index is assigned twice.
1696 echo ' .file 1 "foo.s"' > conftest.s
1697 echo ' .file 1 "bar.s"' >> conftest.s
1698 if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
1700 gcc_cv_as_dwarf2_debug_line="no"
1702 gcc_cv_as_dwarf2_debug_line="yes"
1705 rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
1707 if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
1708 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
1709 [Define if your assembler supports dwarf2 .file/.loc directives,
1710 and preserves file table indicies exactly as given.])
1712 AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
1714 if test "$prefix" != "/usr" && test "$prefix" != "/usr/local" ; then
1715 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
1718 # Figure out what language subdirectories are present.
1719 # Look if the user specified --enable-languages="..."; if not, use
1720 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1722 if test x"${enable_languages+set}" != xset; then
1723 if test x"${LANGUAGES+set}" = xset; then
1724 enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
1726 enable_languages=all
1729 if test x"${enable_languages}" = x; then
1730 AC_MSG_ERROR([--enable-languages needs at least one argument])
1734 # First scan to see if an enabled language requires some other language.
1735 # We assume that a given config-lang.in will list all the language
1736 # front ends it requires, even if some are required indirectly.
1737 for lang in ${srcdir}/*/config-lang.in ..
1742 # The odd quoting in the next line works around
1743 # an apparent bug in bash 1.12 on linux.
1745 ${srcdir}/[*]/config-lang.in)
1748 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
1749 this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
1750 for other in $this_lang_requires
1752 case ,${enable_languages}, in
1758 enable_languages="$enable_languages,$other"
1768 for lang in ${srcdir}/*/config-lang.in ..
1772 # The odd quoting in the next line works around
1773 # an apparent bug in bash 1.12 on linux.
1775 ${srcdir}/[*]/config-lang.in) ;;
1777 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
1778 this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
1779 build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
1780 if test "x$lang_alias" = x
1782 echo "$lang doesn't set \$language." 1>&2
1785 case ${build_by_default},${enable_languages}, in
1786 *,$lang_alias,*) add_this_lang=yes ;;
1787 no,*) add_this_lang=no ;;
1788 *,all,*) add_this_lang=yes ;;
1789 *) add_this_lang=no ;;
1791 if test x"${add_this_lang}" = xyes; then
1793 ${srcdir}/ada/config-lang.in)
1794 if test x$have_gnat = xyes ; then
1795 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
1799 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
1808 # Make gthr-default.h if we have a thread file.
1810 if test $thread_file != single; then
1811 rm -f gthr-default.h
1812 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
1813 gthread_flags=-DHAVE_GTHR_DEFAULT
1815 AC_SUBST(gthread_flags)
1817 # Find out what GC implementation we want, or may, use.
1819 [ --with-gc={simple,page} choose the garbage collection mechanism to use
1826 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
1831 echo "Using $GGC for garbage collection."
1833 # Use the system's zlib library.
1835 zlibinc="-I\$(srcdir)/../zlib"
1836 AC_ARG_WITH(system-zlib,
1837 [ --with-system-zlib use installed libz],
1844 dnl Very limited version of automake's enable-maintainer-mode
1846 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
1847 dnl maintainer-mode is disabled by default
1848 AC_ARG_ENABLE(maintainer-mode,
1849 [ --enable-maintainer-mode
1850 enable make rules and dependencies not useful
1851 (and sometimes confusing) to the casual installer],
1852 maintainer_mode=$enableval,
1855 AC_MSG_RESULT($maintainer_mode)
1857 if test "$maintainer_mode" = "yes"; then
1864 # With Setjmp/Longjmp based exception handling.
1865 AC_ARG_ENABLE(sjlj-exceptions,
1866 [ --enable-sjlj-exceptions
1867 arrange to use setjmp/longjmp exception handling],
1868 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
1869 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
1870 [Define 0/1 to force the choice for exception handling model.])])
1872 # Make empty files to contain the specs and options for each language.
1873 # Then add #include lines to for a compiler that has specs and/or options.
1878 rm -f specs.h options.h gencheck.h
1879 touch specs.h options.h gencheck.h
1880 for subdir in . $subdirs
1882 if test -f $srcdir/$subdir/lang-specs.h; then
1883 echo "#include \"$subdir/lang-specs.h\"" >>specs.h
1884 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
1886 if test -f $srcdir/$subdir/lang-options.h; then
1887 echo "#include \"$subdir/lang-options.h\"" >>options.h
1888 lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
1890 if test -f $srcdir/$subdir/$subdir-tree.def; then
1891 echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h
1892 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
1896 # These (without "all_") are set in each config-lang.in.
1897 # `language' must be a single word so is spelled singularly.
1903 all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc'
1904 # List of language makefile fragments.
1909 # Add the language fragments.
1910 # Languages are added via two mechanisms. Some information must be
1911 # recorded in makefile variables, these are defined in config-lang.in.
1912 # We accumulate them and plug them into the main Makefile.
1913 # The other mechanism is a set of hooks for each of the main targets
1914 # like `clean', `install', etc.
1916 language_fragments="Make-lang"
1917 language_hooks="Make-hooks"
1919 for s in .. $subdirs
1931 . ${srcdir}/$s/config-lang.in
1932 if test "x$language" = x
1934 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
1937 all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
1938 if test -f ${srcdir}/$s/Makefile.in
1939 then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
1941 all_languages="$all_languages $language"
1942 if test "x$boot_language" = xyes
1944 all_boot_languages="$all_boot_languages $language"
1946 all_compilers="$all_compilers $compilers"
1947 all_stagestuff="$all_stagestuff $stagestuff"
1948 all_diff_excludes="$all_diff_excludes $diff_excludes"
1949 all_headers="$all_headers $headers"
1950 all_outputs="$all_outputs $outputs"
1951 all_lib2funcs="$all_lib2funcs $lib2funcs"
1956 for language in .. $all_languages
1958 if test $language != ".."
1960 check_languages="$check_languages check-$language"
1964 # Since we can't use `::' targets, we link each language in
1965 # with a set of hooks, reached indirectly via lang.${target}.
1969 target_list="all.build all.cross start.encap rest.encap \
1971 install-normal install-common install-info install-man \
1973 mostlyclean clean distclean extraclean maintainer-clean \
1974 stage1 stage2 stage3 stage4"
1975 for t in $target_list
1978 for lang in .. $all_languages
1980 if test $lang != ".."; then
1984 echo "lang.$t: $x" >> Make-hooks
1989 echo "dir ." > .gdbinit
1990 echo "dir ${srcdir}" >> .gdbinit
1991 if test x$gdb_needs_out_file_path = xyes
1993 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
1995 if test "x$subdirs" != x; then
1998 echo "dir ${srcdir}/$s" >> .gdbinit
2001 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
2003 # Define variables host_canonical and build_canonical
2004 # because some Cygnus local changes in the Makefile depend on them.
2005 build_canonical=${build}
2006 host_canonical=${host}
2008 if test "${host}" != "${target}" ; then
2009 target_subdir=${target_alias}/
2011 AC_SUBST(build_canonical)
2012 AC_SUBST(host_canonical)
2013 AC_SUBST(target_subdir)
2015 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
2016 # absolute path for gcc_tooldir based on inserting the number of up-directory
2017 # movements required to get from $(exec_prefix) to $(prefix) into the basic
2018 # $(libsubdir)/@(unlibsubdir) based path.
2019 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
2020 # make and thus we'd get different behavior depending on where we built the
2022 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
2023 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
2025 changequote(<<, >>)dnl
2026 # An explanation of the sed strings:
2027 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
2028 # -e 's|/$||' match a trailing forward slash and eliminates it
2029 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
2030 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
2032 # (*) Note this pattern overwrites the first character of the string
2033 # with a forward slash if one is not already present. This is not a
2034 # problem because the exact names of the sub-directories concerned is
2035 # unimportant, just the number of them matters.
2037 # The practical upshot of these patterns is like this:
2039 # prefix exec_prefix result
2040 # ------ ----------- ------
2042 # /foo/ /foo/bar ../
2043 # /foo /foo/bar/ ../
2044 # /foo/ /foo/bar/ ../
2045 # /foo /foo/bar/ugg ../../
2048 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)"
2049 changequote([, ])dnl
2051 AC_SUBST(gcc_tooldir)
2054 # Find a directory in which to install a shared libgcc.
2056 AC_ARG_ENABLE(version-specific-runtime-libs,
2057 [ --enable-version-specific-runtime-libs
2058 specify that runtime libraries should be
2059 installed in a compiler-specific directory])
2061 AC_ARG_WITH(slibdir,
2062 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
2063 slibdir="$with_slibdir",
2064 if test "${enable_version_specific_runtime_libs+set}" = set; then
2065 slibdir='$(libsubdir)'
2066 elif test "$host" != "$target"; then
2067 slibdir='$(build_tooldir)/lib'
2073 # Nothing to do for FLOAT_H, float_format already handled.
2077 # Process the language and host/target makefile fragments.
2078 ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
2080 # Substitute configuration variables
2082 AC_SUBST(all_boot_languages)
2083 AC_SUBST(all_compilers)
2084 AC_SUBST(all_diff_excludes)
2085 AC_SUBST(all_headers)
2086 AC_SUBST(all_lang_makefiles)
2087 AC_SUBST(all_languages)
2088 AC_SUBST(all_lib2funcs)
2089 AC_SUBST(all_stagestuff)
2090 AC_SUBST(build_exeext)
2091 AC_SUBST(build_install_headers_dir)
2092 AC_SUBST(build_xm_file_list)
2093 AC_SUBST(build_xm_file)
2094 AC_SUBST(build_xm_defines)
2095 AC_SUBST(check_languages)
2096 AC_SUBST(cc_set_by_configure)
2097 AC_SUBST(quoted_cc_set_by_configure)
2098 AC_SUBST(cpp_install_dir)
2099 AC_SUBST(dep_host_xmake_file)
2100 AC_SUBST(dep_tmake_file)
2101 AC_SUBST(extra_c_flags)
2102 AC_SUBST(extra_headers_list)
2103 AC_SUBST(extra_objs)
2104 AC_SUBST(extra_parts)
2105 AC_SUBST(extra_passes)
2106 AC_SUBST(extra_programs)
2107 AC_SUBST(float_h_file)
2108 AC_SUBST(gcc_config_arguments)
2109 AC_SUBST(gcc_gxx_include_dir)
2110 AC_SUBST(libstdcxx_incdir)
2111 AC_SUBST(gcc_version)
2112 AC_SUBST(gcc_version_full)
2113 AC_SUBST(gcc_version_trigger)
2114 AC_SUBST(host_exeext)
2115 AC_SUBST(host_extra_gcc_objs)
2116 AC_SUBST(host_xm_file_list)
2117 AC_SUBST(host_xm_file)
2118 AC_SUBST(host_xm_defines)
2120 AC_SUBST(lang_options_files)
2121 AC_SUBST(lang_specs_files)
2122 AC_SUBST(lang_tree_files)
2123 AC_SUBST(local_prefix)
2125 AC_SUBST(objc_boehm_gc)
2127 AC_SUBST(out_object_file)
2128 AC_SUBST(stage_prefix_set_by_configure)
2129 AC_SUBST(symbolic_link)
2130 AC_SUBST(thread_file)
2131 AC_SUBST(tm_file_list)
2133 AC_SUBST(tm_p_file_list)
2136 AC_SUBST(xm_defines)
2137 AC_SUBST(c_target_objs)
2138 AC_SUBST(cxx_target_objs)
2139 AC_SUBST(target_cpu_default)
2141 AC_SUBST_FILE(target_overrides)
2142 AC_SUBST_FILE(host_overrides)
2143 AC_SUBST(cross_defines)
2144 AC_SUBST_FILE(cross_overrides)
2145 AC_SUBST_FILE(build_overrides)
2146 AC_SUBST_FILE(language_fragments)
2147 AC_SUBST_FILE(language_hooks)
2149 # Echo that links are built
2150 if test x$host = x$target
2158 if test x$host != x$build
2160 str3=" on a $build system"
2163 if test "x$str2" != x || test "x$str3" != x
2168 echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2
2170 if test "x$str2" != x || test "x$str3" != x
2172 echo " ${str2}${str3}." 1>&2
2175 # Truncate the target if necessary
2176 if test x$host_truncate_target != x; then
2177 target=`echo $target | sed -e 's/\(..............\).*/\1/'`
2180 # Configure the subdirectories
2181 # AC_CONFIG_SUBDIRS($subdirs)
2183 # Create the Makefile
2184 # and configure language subdirectories
2185 AC_OUTPUT($all_outputs,
2187 case x$CONFIG_HEADERS in
2188 xauto-host.h:config.in)
2191 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
2192 # bootstrapping and the installation procedure can still use
2193 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
2194 # FLAGS_TO_PASS has been modified to solve the problem there.
2195 # This is virtually a duplicate of what happens in configure.lang; we do
2196 # an extra check to make sure this only happens if ln -s can be used.
2197 if test "$symbolic_link" = "ln -s"; then
2198 for d in .. ${subdirs} ; do
2199 if test $d != ..; then
2202 for t in stage1 stage2 stage3 stage4 include
2205 $symbolic_link ../$t $t 2>/dev/null
2211 # Avoid having to add intl to our include paths.
2212 if test -f intl/libintl.h; then
2213 echo creating libintl.h
2214 echo '#include "intl/libintl.h"' >libintl.h
2221 target_alias='${target_alias}'
2223 subdirs='${subdirs}'
2224 symbolic_link='${symbolic_link}'
2225 program_transform_set='${program_transform_set}'
2226 program_transform_name='${program_transform_name}'
2227 dep_host_xmake_file='${dep_host_xmake_file}'
2228 host_xmake_file='${host_xmake_file}'
2229 dep_tmake_file='${dep_tmake_file}'
2230 tmake_file='${tmake_file}'
2231 thread_file='${thread_file}'
2232 gcc_config_arguments='${gcc_config_arguments}'
2233 gcc_version='${gcc_version}'
2234 gcc_version_full='${gcc_version_full}'
2235 gcc_version_trigger='${gcc_version_trigger}'
2236 local_prefix='${local_prefix}'
2237 build_install_headers_dir='${build_install_headers_dir}'
2238 build_exeext='${build_exeext}'
2239 host_exeext='${host_exeext}'
2240 out_file='${out_file}'
2241 gdb_needs_out_file_path='${gdb_needs_out_file_path}'
2242 SET_MAKE='${SET_MAKE}'
2243 target_list='${target_list}'
2244 target_overrides='${target_overrides}'
2245 host_overrides='${host_overrides}'
2246 cross_defines='${cross_defines}'
2247 cross_overrides='${cross_overrides}'
2248 build_overrides='${build_overrides}'
2249 cpp_install_dir='${cpp_install_dir}'