1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
26 AC_INIT(move-if-change)
28 AC_DISABLE_OPTION_CHECKING
31 # if PWD already has a value, it is probably wrong.
32 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
34 # Export original configure arguments for use by sub-configures.
35 # Quote arguments with shell meta charatcers.
36 TOPLEVEL_CONFIGURE_ARGUMENTS=
37 set -- "$progname" "$@"
41 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
42 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
43 # if the argument is of the form -foo=baz, quote the baz part only
44 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
47 # Add the quoted argument to the list.
48 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
50 if test "$silent" = yes; then
51 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
53 # Remove the initial space we just introduced and, as these will be
54 # expanded by make, quote '$'.
55 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
56 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
58 # Find the build, host, and target systems.
59 ACX_NONCANONICAL_BUILD
61 ACX_NONCANONICAL_TARGET
63 dnl Autoconf 2.5x and later will set a default program prefix if
64 dnl --target was used, even if it was the same as --host. Disable
65 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
67 test "$host_noncanonical" = "$target_noncanonical" &&
68 test "$program_prefix$program_suffix$program_transform_name" = \
70 program_transform_name=s,y,y,
75 m4_pattern_allow([^AS_FOR_TARGET$])dnl
76 m4_pattern_allow([^AS_FOR_BUILD$])dnl
78 # Get 'install' or 'install-sh' and its variants.
85 ### we might need to use some other shell than /bin/sh for running subshells
86 ### If we are on Windows, search for the shell. This will permit people
87 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
88 ### without also having to set CONFIG_SHELL. This code will work when
89 ### using bash, which sets OSTYPE.
92 if test x${CONFIG_SHELL} = x ; then
93 if test ! -f /bin/sh ; then
94 if test x${SHELL} != x && test -f ${SHELL} ; then
98 for prog in sh sh.exe bash bash.exe; do
99 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
101 test -z "$dir" && dir=.
102 if test -f $dir/$prog; then
103 CONFIG_SHELL=$dir/$prog
109 test -n "${CONFIG_SHELL}" && break
117 config_shell=${CONFIG_SHELL-/bin/sh}
119 moveifchange=${srcdir}/move-if-change
121 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
123 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
125 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
126 INSTALL="${srcpwd}/install-sh -c"
129 # Set srcdir to "." if that's what it is.
130 # This is important for multilib support.
132 if test "${pwd}" = "${srcpwd}" ; then
140 ### To add a new directory to the tree, first choose whether it is a target
141 ### or a host dependent tool. Then put it into the appropriate list
142 ### (library or tools, host or target), doing a dependency sort.
144 # Subdirs will be configured in the order listed in build_configdirs,
145 # configdirs, or target_configdirs; see the serialization section below.
147 # Dependency sorting is only needed when *configuration* must be done in
148 # a particular order. In all cases a dependency should be specified in
149 # the Makefile, whether or not it's implicitly specified here.
151 # Double entries in build_configdirs, configdirs, or target_configdirs may
152 # cause circular dependencies and break everything horribly.
154 # these library is used by various programs built for the build
157 build_libs="build-libiberty"
159 # these tools are built for the build environment
160 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
162 # these libraries are used by various programs built for the host environment
164 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
166 # these tools are built for the host environment
167 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
168 # know that we are building the simulator.
169 # binutils, gas and ld appear in that order because it makes sense to run
170 # "make check" in that particular order.
171 # If --enable-gold is used, "gold" will replace "ld".
172 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
174 # libgcj represents the runtime libraries only used by gcj.
175 libgcj="target-libffi \
180 # these libraries are built for the target environment, and are built after
181 # the host libraries and the host tools (which may be a cross compiler)
183 target_libraries="target-libgcc \
188 target-libstdc++-v3 \
197 # these tools are built using the target libraries, and are intended to
198 # run only in the target environment
200 # note: any program that *uses* libraries that are in the "target_libraries"
201 # list belongs in this list. those programs are also very likely
202 # candidates for the "native_only" list which follows
204 target_tools="target-examples target-groff target-gperf target-rda"
206 ################################################################################
208 ## All tools belong in one of the four categories, and are assigned above
209 ## We assign ${configdirs} this way to remove all embedded newlines. This
210 ## is important because configure will choke if they ever get through.
211 ## ${configdirs} is directories we build using the host tools.
212 ## ${target_configdirs} is directories we build using the target tools.
213 configdirs=`echo ${host_libs} ${host_tools}`
214 target_configdirs=`echo ${target_libraries} ${target_tools}`
215 build_configdirs=`echo ${build_libs} ${build_tools}`
217 m4_divert_text([PARSE_ARGS],
218 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
221 ################################################################################
223 srcname="gnu development package"
225 # This gets set non-empty for some net releases of packages.
228 # Define is_cross_compiler to save on calls to 'test'.
230 if test x"${host}" = x"${target}" ; then
233 is_cross_compiler=yes
236 # Find the build and target subdir names.
238 # Be sure to cover against remnants of an in-tree build.
239 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
240 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
241 Use a pristine source tree when building in a separate tree])
244 # Skipdirs are removed silently.
246 # Noconfigdirs are removed loudly.
250 # Make sure we don't let GNU ld be added if we didn't want it.
251 if test x$with_gnu_ld = xno ; then
253 noconfigdirs="$noconfigdirs ld gold"
257 # Make sure we don't let GNU as be added if we didn't want it.
258 if test x$with_gnu_as = xno ; then
260 noconfigdirs="$noconfigdirs gas"
264 # Make sure we don't let ZLIB be added if we didn't want it.
265 if test x$with_system_zlib = xyes ; then
267 noconfigdirs="$noconfigdirs zlib"
270 # some tools are so dependent upon X11 that if we're not building with X,
271 # it's not even worth trying to configure, much less build, that tool.
274 yes | "") ;; # the default value for this tree is that X11 is available
276 skipdirs="${skipdirs} tk itcl libgui"
277 # We won't be able to build gdbtk without X.
280 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
283 # Some tools are only suitable for building in a "native" situation.
284 # Remove these if host!=target.
285 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
287 # Similarly, some are only suitable for cross toolchains.
288 # Remove these if host=target.
289 cross_only="target-libgloss target-newlib target-opcodes"
291 case $is_cross_compiler in
292 no) skipdirs="${skipdirs} ${cross_only}" ;;
293 yes) skipdirs="${skipdirs} ${native_only}" ;;
296 # If both --with-headers and --with-libs are specified, default to
298 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
299 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
300 if test x"${with_newlib}" = x ; then
305 # Recognize --with-newlib/--without-newlib.
306 case ${with_newlib} in
307 no) skipdirs="${skipdirs} target-newlib" ;;
308 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
311 # Handle --enable-gold.
314 [ --enable-gold use gold instead of ld],
315 ENABLE_GOLD=$enableval,
317 if test "${ENABLE_GOLD}" = "yes"; then
318 # Check for ELF target.
321 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
322 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
323 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
325 *-*-linux*aout* | *-*-linux*oldld*)
333 if test "$is_elf" = "yes"; then
334 # Check for target supported by gold.
336 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
337 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
343 # Configure extra directories which are host specific
347 configdirs="$configdirs libtermcap" ;;
350 # A target can indicate whether a language isn't supported for some reason.
351 # Only spaces may be used in this macro; not newlines or tabs.
352 unsupported_languages=
354 # Remove more programs from consideration, based on the host or
355 # target this usually means that a port of the program doesn't
360 noconfigdirs="$noconfigdirs byacc"
362 i[[3456789]]86-*-vsta)
363 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
365 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
366 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
369 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
371 i[[3456789]]86-*-mingw32*)
372 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
373 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
375 i[[3456789]]86-*-beos*)
376 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
379 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
382 noconfigdirs="$noconfigdirs rcs"
385 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
388 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
393 AC_ARG_ENABLE(libada,
394 [ --enable-libada build libada directory],
395 ENABLE_LIBADA=$enableval,
397 if test "${ENABLE_LIBADA}" != "yes" ; then
398 noconfigdirs="$noconfigdirs gnattools"
401 AC_ARG_ENABLE(libssp,
402 [ --enable-libssp build libssp directory],
403 ENABLE_LIBSSP=$enableval,
406 # Save it here so that, even in case of --enable-libgcj, if the Java
407 # front-end isn't enabled, we still get libgcj disabled.
409 case $enable_libgcj in
411 # If we reset it here, it won't get added to noconfigdirs in the
412 # target-specific build rules, so it will be forcibly enabled
413 # (unless the Java language itself isn't enabled).
417 # Make sure we get it printed in the list of not supported target libs.
418 noconfigdirs="$noconfigdirs ${libgcj}"
423 # Disable libmudflap on some systems.
424 if test x$enable_libmudflap = x ; then
426 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
427 # Enable libmudflap by default in GNU and friends.
430 # Enable libmudflap by default in FreeBSD.
433 # Disable it by default everywhere else.
434 noconfigdirs="$noconfigdirs target-libmudflap"
439 # Disable libgomp on non POSIX hosted systems.
440 if test x$enable_libgomp = x ; then
441 # Enable libgomp by default on hosted POSIX systems.
443 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
445 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
447 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
449 *-*-darwin* | *-*-aix*)
452 noconfigdirs="$noconfigdirs target-libgomp"
457 # Default libgloss CPU subdirectory.
458 libgloss_dir="$target_cpu"
462 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
465 noconfigdirs="$noconfigdirs ld gas gdb gprof"
466 noconfigdirs="$noconfigdirs sim target-rda"
468 i[[3456789]]86-*-darwin*)
469 noconfigdirs="$noconfigdirs ld gprof"
470 noconfigdirs="$noconfigdirs sim target-rda"
472 x86_64-*-darwin[[912]]*)
473 noconfigdirs="$noconfigdirs ld gas gprof"
474 noconfigdirs="$noconfigdirs sim target-rda"
477 noconfigdirs="$noconfigdirs ld gas gdb gprof"
478 noconfigdirs="$noconfigdirs sim target-rda"
479 noconfigdirs="$noconfigdirs ${libgcj}"
481 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
482 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
485 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
486 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
487 && test -f /usr/local/include/gmp.h; then
491 # Skip some stuff that's unsupported on some FreeBSD configurations.
496 noconfigdirs="$noconfigdirs ${libgcj}"
501 # Remove unsupported stuff on all kaOS configurations.
502 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
503 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
504 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
505 noconfigdirs="$noconfigdirs target-libgloss"
508 # Skip some stuff on all NetBSD configurations.
509 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
511 # Skip some stuff that's unsupported on some NetBSD configurations.
513 i*86-*-netbsdelf*) ;;
514 arm*-*-netbsdelf*) ;;
516 noconfigdirs="$noconfigdirs ${libgcj}"
521 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
524 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
526 # The tpf target doesn't support gdb yet.
528 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
531 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
534 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
537 # ld works, but does not support shared libraries.
538 # newlib is not 64 bit ready. I'm not sure about fileutils.
539 # gas doesn't generate exception information.
540 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
543 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
546 # newlib is not 64 bit ready
547 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
550 # newlib is not 64 bit ready
551 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
554 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
557 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
559 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
560 noconfigdirs="$noconfigdirs ${libgcj}"
561 noconfigdirs="$noconfigdirs target-examples"
562 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
563 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
564 noconfigdirs="$noconfigdirs expect dejagnu"
565 # the C++ libraries don't build on top of CE's C libraries
566 noconfigdirs="$noconfigdirs target-libstdc++-v3"
567 noconfigdirs="$noconfigdirs target-newlib"
569 *-*-cygwin*) ;; # keep gdb and readline
570 *) noconfigdirs="$noconfigdirs gdb readline"
576 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
580 arm-*-coff | strongarm-*-coff | xscale-*-coff)
581 noconfigdirs="$noconfigdirs ${libgcj}"
584 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
585 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
588 arm*-*-linux-gnueabi)
589 noconfigdirs="$noconfigdirs target-qthreads"
590 case ${with_newlib} in
591 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
596 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
600 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
603 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
606 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
609 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
612 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
615 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
618 unsupported_languages="$unsupported_languages java"
619 noconfigdirs="$noconfigdirs target-boehm-gc gdb"
620 if test x${is_cross_compiler} != xno ; then
621 target_configdirs="${target_configdirs} target-bsp target-cygmon"
625 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
627 c54x*-*-* | tic54x-*-*)
628 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
631 noconfigdirs="$noconfigdirs ${libgcj} gdb"
633 cris-*-* | crisv32-*-*)
634 unsupported_languages="$unsupported_languages java"
637 unsupported_languages="$unsupported_languages fortran"
638 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
640 noconfigdirs="$noconfigdirs target-boehm-gc";;
642 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
644 unsupported_languages="$unsupported_languages fortran"
645 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
650 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
653 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
656 noconfigdirs="$noconfigdirs ${libgcj} gdb"
658 ep9312-*-elf | ep9312-*-coff)
662 noconfigdirs="$noconfigdirs ${libgcj} gdb"
665 noconfigdirs="$noconfigdirs ${libgcj}"
668 noconfigdirs="$noconfigdirs ${libgcj}"
669 noconfigdirs="$noconfigdirs gprof"
672 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
675 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
677 hppa1.1-*-osf* | hppa1.1-*-bsd* )
679 hppa*64*-*-linux* | parisc*64*-*-linux*)
680 # In this case, it's because the hppa64-linux target is for
681 # the kernel only at this point and has no libc, and thus no
682 # headers, crt*.o, etc., all of which are needed by these.
683 noconfigdirs="$noconfigdirs target-zlib"
685 parisc*-*-linux* | hppa*-*-linux*)
691 noconfigdirs="$noconfigdirs ${libgcj}"
694 noconfigdirs="$noconfigdirs ld shellutils"
700 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
701 # build on HP-UX 10.20.
702 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
705 noconfigdirs="$noconfigdirs ${libgcj} gdb"
708 # No gdb support yet.
709 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
712 # No gdb or ld support yet.
713 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
716 # No gdb or ld support yet.
717 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
721 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
722 noconfigdirs="$noconfigdirs ${libgcj}"
725 i[[3456789]]86-*-linux*)
726 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
727 # not build java stuff by default.
730 noconfigdirs="$noconfigdirs ${libgcj}";;
733 # This section makes it possible to build newlib natively on linux.
734 # If we are using a cross compiler then don't configure newlib.
735 if test x${is_cross_compiler} != xno ; then
736 noconfigdirs="$noconfigdirs target-newlib"
738 noconfigdirs="$noconfigdirs target-libgloss"
739 # If we are not using a cross compiler, do configure newlib.
740 # Note however, that newlib will only be configured in this situation
741 # if the --with-newlib option has been given, because otherwise
742 # 'target-newlib' will appear in skipdirs.
744 i[[3456789]]86-w64-mingw*)
745 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
747 i[[3456789]]86-*-mingw*)
748 target_configdirs="$target_configdirs target-winsup"
749 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
752 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
755 target_configdirs="$target_configdirs target-libtermcap target-winsup"
756 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
757 # always build newlib if winsup directory is present.
758 if test -d "$srcdir/winsup/cygwin"; then
759 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
760 elif test -d "$srcdir/newlib"; then
761 echo "Warning: winsup/cygwin is missing so newlib can't be built."
764 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
765 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
768 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
770 i[[3456789]]86-*-sco3.2v5*)
771 # The linker does not yet know about weak symbols in COFF,
772 # and is not configured to handle mixed ELF and COFF.
773 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
775 i[[3456789]]86-*-sco*)
776 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
778 i[[3456789]]86-*-solaris2*)
779 noconfigdirs="$noconfigdirs target-libgloss"
781 i[[3456789]]86-*-sysv4*)
782 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
784 i[[3456789]]86-*-beos*)
785 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
787 i[[3456789]]86-*-rdos*)
788 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
791 noconfigdirs="$noconfigdirs ${libgcj}"
793 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
794 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
798 noconfigdirs="$noconfigdirs ${libgcj}"
801 noconfigdirs="$noconfigdirs ${libgcj}"
807 # The EPOC C++ environment does not support exceptions or rtti,
808 # and so building libstdc++-v3 tends not to always work.
809 noconfigdirs="$noconfigdirs target-libstdc++-v3"
812 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
813 unsupported_languages="$unsupported_languages fortran java"
816 noconfigdirs="$noconfigdirs ${libgcj}"
819 noconfigdirs="$noconfigdirs ${libgcj}"
822 noconfigdirs="$noconfigdirs sim"
825 # copied from rs6000-*-* entry
826 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
828 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
829 target_configdirs="$target_configdirs target-winsup"
830 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
831 # always build newlib.
832 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
834 # This is temporary until we can link against shared libraries
835 powerpcle-*-solaris*)
836 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
840 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
843 noconfigdirs="$noconfigdirs ${libgcj}"
846 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
850 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
853 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
856 noconfigdirs="$noconfigdirs gprof ${libgcj}"
859 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
862 noconfigdirs="$noconfigdirs gprof ${libgcj}"
865 skipdirs="$skipdirs target-libiberty"
866 noconfigdirs="$noconfigdirs ${libgcj}"
867 if test x$with_newlib = xyes; then
868 noconfigdirs="$noconfigdirs gprof"
873 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
876 # Linking libjava exceeds command-line length limits on at least
877 # IRIX 6.2, but not on IRIX 6.5.
878 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
879 # <oldham@codesourcery.com>
880 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
883 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
886 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
889 noconfigdirs="$noconfigdirs gprof ${libgcj}"
893 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
897 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
898 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
899 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
900 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
904 noconfigdirs="$noconfigdirs ${libgcj}" ;;
906 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
909 sparclet-*-aout* | sparc86x-*-*)
913 noconfigdirs="$noconfigdirs ${libgcj}"
916 noconfigdirs="$noconfigdirs ${libgcj}"
920 noconfigdirs="$noconfigdirs ${libgcj}"
924 noconfigdirs="$noconfigdirs ${libgcj}"
925 if test x${is_cross_compiler} != xno ; then
926 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
931 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
932 noconfigdirs="$noconfigdirs ${libgcj}"
934 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
937 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
940 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
943 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
946 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
949 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
952 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
955 noconfigdirs="$noconfigdirs ${libgcj}"
958 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
960 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
961 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
964 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
967 noconfigdirs="$noconfigdirs ${libgcj}"
971 # If we aren't building newlib, then don't build libgloss, since libgloss
972 # depends upon some newlib header files.
973 case "${noconfigdirs}" in
974 *target-libgloss*) ;;
975 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
978 # Work in distributions that contain no compiler tools, like Autoconf.
980 host_makefile_frag=/dev/null
981 if test -d ${srcdir}/config ; then
984 # Avoid "too much defining" errors from HPUX compiler.
985 tentative_cc="cc -Wp,-H256000"
986 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
987 # If it's HP/UX ar, this should be harmless.
991 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
994 #None of the Apollo compilers can compile gas or binutils. The preprocessor
995 # chokes on bfd, the compiler won't let you assign integers to enums, and
996 # other problems. Defining CC to gcc is a questionable way to say "don't use
997 # the apollo compiler" (the preferred version of GCC could be called cc,
998 # or whatever), but I'm not sure leaving CC as cc is any better...
999 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1000 # Used to have BISON=yacc.
1004 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1007 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1008 tentative_cc="cc -Xa"
1009 host_makefile_frag="config/mh-cxux"
1011 m88k-motorola-sysv*)
1014 tentative_cc="cc -Wf,-XNg1000"
1015 host_makefile_frag="config/mh-decstation"
1018 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1019 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1020 host_makefile_frag="config/mh-necv4"
1023 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1024 # environment. Also bump switch table size so that cp-parse will
1025 # compile. Bump string length limit so linker builds.
1026 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1029 host_makefile_frag="config/mh-sysv4"
1032 # This is for a MIPS running RISC/os 4.52C.
1034 # This is needed for GDB, but needs to be in the top-level make because
1035 # if a library is compiled with the bsd headers and gets linked with the
1036 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1037 # a different size).
1038 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1039 # known except to select the sysv environment. Could we use /proc instead?
1040 # These "sysv environments" and "bsd environments" often end up being a pain.
1042 # This is not part of CFLAGS because perhaps not all C compilers have this
1044 tentative_cc="cc -systype sysv"
1049 i[[3456789]]86-*-sysv5*)
1050 host_makefile_frag="config/mh-sysv5"
1052 i[[3456789]]86-*-dgux*)
1053 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1054 host_makefile_frag="config/mh-dgux386"
1056 i[[3456789]]86-ncr-sysv4.3*)
1057 # The MetaWare compiler will generate a copyright message unless you
1058 # turn it off by adding the -Hnocopyr flag.
1059 tentative_cc="cc -Hnocopyr"
1061 i[[3456789]]86-ncr-sysv4*)
1062 # for an NCR 3000 (i486/SVR4) system.
1063 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1064 # This compiler not only emits obnoxious copyright messages every time
1065 # you run it, but it chokes and dies on a whole bunch of GNU source
1066 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1067 tentative_cc="/usr/ccs/ATT/cc"
1068 host_makefile_frag="config/mh-ncr3000"
1070 i[[3456789]]86-*-sco3.2v5*)
1072 i[[3456789]]86-*-sco*)
1073 # The native C compiler botches some simple uses of const. Unfortunately,
1074 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1075 tentative_cc="cc -Dconst="
1076 host_makefile_frag="config/mh-sco"
1078 i[[3456789]]86-*-udk*)
1079 host_makefile_frag="config/mh-sysv5"
1081 i[[3456789]]86-*-solaris2*)
1082 host_makefile_frag="config/mh-sysv4"
1084 i[[3456789]]86-*-msdosdjgpp*)
1085 host_makefile_frag="config/mh-djgpp"
1088 ACX_CHECK_CYGWIN_CAT_WORKS
1089 host_makefile_frag="config/mh-cygwin"
1092 host_makefile_frag="config/mh-mingw"
1095 host_makefile_frag="config/mh-interix"
1098 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1102 host_makefile_frag="config/mh-solaris"
1105 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1106 # without overflowing the jump tables (-J says to use a 32 bit table)
1107 tentative_cc="cc -J"
1110 tentative_cc="cc -Wp,-H256000"
1111 host_makefile_frag="config/mh-pa-hpux10"
1113 hppa*-hp-hpux* | hppa*-*-hiux*)
1114 tentative_cc="cc -Wp,-H256000"
1115 host_makefile_frag="config/mh-pa"
1118 host_makefile_frag="config/mh-pa"
1120 *-hp-hpux* | *-*-hiux*)
1121 tentative_cc="cc -Wp,-H256000"
1124 # /bin/cc is less than useful for our purposes. Always use GCC
1125 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1126 host_makefile_frag="config/mh-lynxrs6k"
1129 host_makefile_frag="config/mh-ppc-darwin"
1132 host_makefile_frag="config/mh-ppc-aix"
1135 host_makefile_frag="config/mh-ppc-aix"
1138 # /bin/cc is less than useful for our purposes. Always use GCC
1139 tentative_cc="/bin/gcc"
1142 host_makefile_frag="config/mh-sysv4"
1144 # This is placed last to prevent interfering with the cases above.
1146 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1147 host_makefile_frag="config/mh-x86omitfp"
1152 # If we aren't going to be using gcc, see if we can extract a definition
1153 # of CC from the fragment.
1154 # Actually, use the 'pre-extracted' version above.
1155 if test -z "${CC}" && test "${build}" = "${host}" ; then
1156 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1158 for dir in $PATH; do
1159 test -z "$dir" && dir=.
1160 if test -f $dir/gcc; then
1166 if test -z "${found}" && test -n "${tentative_cc}" ; then
1171 if test "${build}" != "${host}" ; then
1172 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1173 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1174 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1175 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1176 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1177 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1178 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1179 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1180 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1181 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1182 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1183 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1185 AR_FOR_BUILD="\$(AR)"
1186 AS_FOR_BUILD="\$(AS)"
1187 CC_FOR_BUILD="\$(CC)"
1188 CXX_FOR_BUILD="\$(CXX)"
1189 GCJ_FOR_BUILD="\$(GCJ)"
1190 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1191 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1192 LD_FOR_BUILD="\$(LD)"
1193 NM_FOR_BUILD="\$(NM)"
1194 RANLIB_FOR_BUILD="\$(RANLIB)"
1195 WINDRES_FOR_BUILD="\$(WINDRES)"
1196 WINDMC_FOR_BUILD="\$(WINDMC)"
1202 # We must set the default linker to the linker used by gcc for the correct
1203 # operation of libtool. If LD is not defined and we are using gcc, try to
1204 # set the LD default to the ld used by gcc.
1205 if test -z "$LD"; then
1206 if test "$GCC" = yes; then
1209 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1211 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1213 case $gcc_prog_ld in
1214 # Accept absolute paths.
1215 [[\\/]* | [A-Za-z]:[\\/]*)]
1216 LD="$gcc_prog_ld" ;;
1222 ACX_PROG_CMP_IGNORE_INITIAL
1224 # See if we are building gcc with C++.
1225 AC_ARG_ENABLE(build-with-cxx,
1226 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1227 ENABLE_BUILD_WITH_CXX=$enableval,
1228 ENABLE_BUILD_WITH_CXX=no)
1230 # Check for GMP, MPFR and MPC
1231 gmplibs="-lmpc -lmpfr -lgmp"
1235 # Specify a location for mpc
1236 # check for this first so it ends up on the link line before mpfr.
1237 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1238 Equivalent to --with-mpc-include=PATH/include
1239 plus --with-mpc-lib=PATH/lib])
1240 AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1241 specify directory for installed MPC include files])
1242 AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1244 if test "x$with_mpc" != x; then
1245 gmplibs="-L$with_mpc/lib $gmplibs"
1246 gmpinc="-I$with_mpc/include $gmpinc"
1248 if test "x$with_mpc_include" != x; then
1249 gmpinc="-I$with_mpc_include $gmpinc"
1251 if test "x$with_mpc_lib" != x; then
1252 gmplibs="-L$with_mpc_lib $gmplibs"
1254 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1255 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs '"$gmplibs"
1256 gmpinc='-I$$s/mpc/src '"$gmpinc"
1257 # Do not test the mpc version. Assume that it is sufficient, since
1258 # it is in the source tree, and the library has not been built yet
1259 # but it would be included on the link line in the version check below
1260 # hence making the test fail.
1264 # Specify a location for mpfr
1265 # check for this first so it ends up on the link line before gmp.
1266 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1267 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1268 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1270 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1271 Equivalent to --with-mpfr-include=PATH/include
1272 plus --with-mpfr-lib=PATH/lib])
1273 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1274 specify directory for installed MPFR include files])
1275 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1277 if test "x$with_mpfr" != x; then
1278 gmplibs="-L$with_mpfr/lib $gmplibs"
1279 gmpinc="-I$with_mpfr/include $gmpinc"
1281 if test "x$with_mpfr_include" != x; then
1282 gmpinc="-I$with_mpfr_include $gmpinc"
1284 if test "x$with_mpfr_lib" != x; then
1285 gmplibs="-L$with_mpfr_lib $gmplibs"
1287 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1288 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1289 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1290 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr'
1291 # Do not test the mpfr version. Assume that it is sufficient, since
1292 # it is in the source tree, and the library has not been built yet
1293 # but it would be included on the link line in the version check below
1294 # hence making the test fail.
1298 # Specify a location for gmp
1299 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1300 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1301 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1303 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1304 Equivalent to --with-gmp-include=PATH/include
1305 plus --with-gmp-lib=PATH/lib])
1306 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1307 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1310 if test "x$with_gmp" != x; then
1311 gmplibs="-L$with_gmp/lib $gmplibs"
1312 gmpinc="-I$with_gmp/include $gmpinc"
1314 if test "x$with_gmp_include" != x; then
1315 gmpinc="-I$with_gmp_include $gmpinc"
1317 if test "x$with_gmp_lib" != x; then
1318 gmplibs="-L$with_gmp_lib $gmplibs"
1320 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1321 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1322 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1323 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1324 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp'
1325 # Do not test the gmp version. Assume that it is sufficient, since
1326 # it is in the source tree, and the library has not been built yet
1327 # but it would be included on the link line in the version check below
1328 # hence making the test fail.
1332 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1334 saved_CFLAGS="$CFLAGS"
1335 CFLAGS="$CFLAGS $gmpinc"
1336 # Check GMP actually works
1337 AC_MSG_CHECKING([for correct version of gmp.h])
1338 AC_TRY_COMPILE([#include "gmp.h"],[
1339 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
1342 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1344 # If we have GMP, check the MPFR version.
1345 if test x"$have_gmp" = xyes; then
1346 dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
1347 AC_MSG_CHECKING([for correct version of mpfr.h])
1348 AC_TRY_COMPILE([#include <gmp.h>
1349 #include <mpfr.h>],[
1350 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1353 ], AC_TRY_COMPILE([#include <gmp.h>
1354 #include <mpfr.h>],[
1355 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
1358 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1359 [AC_MSG_RESULT([no]); have_gmp=no])
1362 # Check for the MPC header version.
1363 if test x"$have_gmp" = xyes ; then
1364 AC_MSG_CHECKING([for the correct version of mpc.h])
1365 AC_TRY_COMPILE([#include <mpc.h>],[
1366 #if MPC_VERSION < MPC_VERSION_NUM (0,8,0)
1369 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1372 # Now check the MPFR library.
1373 if test x"$have_gmp" = xyes; then
1375 LIBS="$LIBS $gmplibs"
1376 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1377 AC_TRY_LINK([#include <mpc.h>],[
1384 mpfr_atan2 (n, n, x, GMP_RNDN);
1385 mpfr_erfc (n, x, GMP_RNDN);
1386 mpfr_subnormalize (x, t, GMP_RNDN);
1390 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1391 mpc_cosh (c, c, MPC_RNDNN);
1392 mpc_pow (c, c, c, MPC_RNDNN);
1393 mpc_acosh (c, c, MPC_RNDNN);
1395 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1399 CFLAGS="$saved_CFLAGS"
1401 if test x$have_gmp != xyes; then
1402 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.2+ and MPC 0.8.0+.
1403 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1404 their locations. Source code for these libraries can be found at
1405 their respective hosting sites as well as at
1406 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1407 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1408 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1409 make sure that you have installed both the libraries and the header
1410 files. They may be located in separate packages.])
1414 # Flags needed for both GMP, MPFR and/or MPC.
1417 AC_SUBST(extra_mpfr_configure_flags)
1418 AC_SUBST(extra_mpc_gmp_configure_flags)
1419 AC_SUBST(extra_mpc_mpfr_configure_flags)
1421 # Allow host libstdc++ to be specified for static linking with PPL.
1422 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1423 when linking with PPL])
1425 case $with_host_libstdcxx in
1427 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1431 # Linker flags to use for stage1 or when not boostrapping.
1432 AC_ARG_WITH(stage1-ldflags,
1433 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1434 [if test "$withval" = "no" -o "$withval" = "yes"; then
1437 stage1_ldflags=$withval
1440 AC_SUBST(stage1_ldflags)
1442 # Libraries to use for stage1 or when not bootstrapping.
1443 AC_ARG_WITH(stage1-libs,
1444 [ -with-stage1-libs=LIBS Libraries for stage1],
1445 [if test "$withval" = "no" -o "$withval" = "yes"; then
1448 stage1_libs=$withval
1450 [stage1_libs=$with_host_libstdcxx])
1451 AC_SUBST(stage1_libs)
1453 # Libraries to use for stage2 and later builds. This defaults to the
1454 # argument passed to --with-host-libstdcxx.
1455 AC_ARG_WITH(boot-libs,
1456 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1457 [if test "$withval" = "no" -o "$withval" = "yes"; then
1460 poststage1_libs=$withval
1462 [poststage1_libs=$with_host_libstdcxx])
1463 AC_SUBST(poststage1_libs)
1465 # Linker flags to use for stage2 and later builds.
1466 AC_ARG_WITH(boot-ldflags,
1467 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1468 [if test "$withval" = "no" -o "$withval" = "yes"; then
1471 poststage1_ldflags=$withval
1473 [poststage1_ldflags=
1474 # With --enable-build-with-cxx, default to linking libstdc++ and
1475 # libgcc statically. But if the user explicitly specified the
1476 # libraries to use, trust that they are doing what they want.
1477 if test "$ENABLE_BUILD_WITH_CXX" = "yes" -a "$poststage1_libs" = ""; then
1478 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1480 AC_SUBST(poststage1_ldflags)
1484 ppl_minor_version=10
1485 ppllibs=" -lppl_c -lppl -lgmpxx"
1488 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1489 Equivalent to --with-ppl-include=PATH/include
1490 plus --with-ppl-lib=PATH/lib])
1491 AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1492 AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1501 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1502 pplinc="-I$with_ppl/include $pplinc"
1505 if test "x$with_ppl_include" != x; then
1506 pplinc="-I$with_ppl_include $pplinc"
1508 if test "x$with_ppl_lib" != x; then
1509 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1511 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1512 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/.libs -L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/_libs -L$$r/$(HOST_SUBDIR)/ppl/src/.libs -L$$r/$(HOST_SUBDIR)/ppl/src/_libs -lppl_c -lppl -lgmpxx '
1513 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1514 enable_ppl_version_check=no
1517 AC_ARG_ENABLE(ppl-version-check,
1518 [ --disable-ppl-version-check disable check for PPL version],
1519 ENABLE_PPL_CHECK=$enableval,
1520 ENABLE_PPL_CHECK=yes)
1522 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
1523 saved_CFLAGS="$CFLAGS"
1524 CFLAGS="$CFLAGS $pplinc $gmpinc"
1525 AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
1526 AC_TRY_COMPILE([#include "ppl_c.h"],[
1527 #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
1530 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1531 CFLAGS="$saved_CFLAGS"
1534 # Flags needed for PPL
1540 clooglibs=" -lcloog "
1541 clooginc=" -DCLOOG_PPL_BACKEND "
1543 AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
1544 Equivalent to --with-cloog-include=PATH/include
1545 plus --with-cloog-lib=PATH/lib])
1546 AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
1547 AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
1549 if test "x$with_ppl" = "xno"; then
1561 clooglibs="-L$with_cloog/lib -lcloog"
1562 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1565 if test "x$with_cloog_include" != x; then
1566 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1568 if test "x$with_cloog_lib" != x; then
1569 clooglibs="-L$with_cloog_lib -lcloog"
1571 if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1572 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
1573 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1574 enable_cloog_version_check=no
1577 AC_ARG_ENABLE(cloog-version-check,
1578 [ --disable-cloog-version-check disable check for CLooG version],
1579 ENABLE_CLOOG_CHECK=$enableval,
1580 ENABLE_CLOOG_CHECK=yes)
1582 if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then
1583 saved_CFLAGS="$CFLAGS"
1584 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1585 AC_MSG_CHECKING([for version 0.15.5 (or later revision) of CLooG])
1586 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1587 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 5
1590 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1591 CFLAGS="$saved_CFLAGS"
1594 # Flags needed for CLOOG
1598 # Check for LTO support.
1600 [ --enable-lto enable link time optimization support],
1601 enable_lto=$enableval,
1602 enable_lto=yes; default_enable_lto=yes)
1604 if test x"$enable_lto" = x"yes" ; then
1605 # Make sure that libelf.h and gelf.h are available.
1606 AC_ARG_WITH(libelf, [ --with-libelf=PATH Specify prefix directory for the installed libelf package
1607 Equivalent to --with-libelf-include=PATH/include
1608 plus --with-libelf-lib=PATH/lib])
1610 AC_ARG_WITH(libelf_include, [ --with-libelf-include=PATH Specify directory for installed libelf include files])
1612 AC_ARG_WITH(libelf_lib, [ --with-libelf-lib=PATH Specify the directory for the installed libelf library])
1614 saved_CFLAGS="$CFLAGS"
1615 saved_CPPFLAGS="$CPPFLAGS"
1618 case $with_libelf in
1621 libelfinc="-I/usr/include/libelf"
1624 libelflibs="-L$with_libelf/lib -lelf"
1625 libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf"
1626 LIBS="$libelflibs $LIBS"
1630 if test "x$with_libelf_include" != x; then
1631 libelfinc="-I$with_libelf_include"
1634 if test "x$with_libelf_lib" != x; then
1635 libelflibs="-L$with_libelf_lib -lelf"
1636 LIBS="$libelflibs $LIBS"
1639 if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \
1640 && test -d ${srcdir}/libelf; then
1641 libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/lib -lelf '
1642 libelfinc='-D__LIBELF_INTERNAL__ -I$$r/$(HOST_SUBDIR)/libelf/lib -I$$s/libelf/lib'
1643 LIBS="$libelflibs $LIBS"
1647 CFLAGS="$CFLAGS $libelfinc"
1648 CPPFLAGS="$CPPFLAGS $libelfinc"
1649 LIBS="$LIBS $libelflibs"
1651 AC_CHECK_HEADERS(libelf.h, [have_libelf_h=yes])
1652 AC_CHECK_HEADERS(gelf.h, [have_gelf_h=yes])
1654 AC_CHECK_HEADERS(libelf/libelf.h, [have_libelf_libelf_h=yes])
1655 AC_CHECK_HEADERS(libelf/gelf.h, [have_libelf_gelf_h=yes])
1657 # If we couldn't find libelf.h and the user forced it, emit an error.
1658 if test x"$have_libelf_h" != x"yes" \
1659 && test x"$have_libelf_libelf_h" != x"yes" ; then
1660 if test x"$default_enable_lto" != x"yes" ; then
1661 AC_MSG_ERROR([LTO support requires libelf.h or libelf/libelf.h.])
1669 # If we couldn't find gelf.h and the user forced it, emit an error.
1670 if test x"$have_gelf_h" != x"yes" \
1671 && test x"$have_libelf_gelf_h" != x"yes" ; then
1672 if test x"$default_enable_lto" != x"yes" ; then
1673 AC_MSG_ERROR([LTO support requires gelf.h or libelf/gelf.h.])
1681 # Check that the detected libelf has the functions we need. We cannot
1682 # rely on just detecting the headers since they do not include
1683 # versioning information. Add functions, if needed.
1684 if test x"$enable_lto" = x"yes" ; then
1685 AC_MSG_CHECKING([for the correct version of libelf])
1687 [#include <libelf.h>],[
1691 elf_strptr (0, 0, 0);
1692 elf_getident (0, 0);
1693 elf_getshdrstrndx (0, 0);
1694 elf_begin (0, 0, 0);
1698 [AC_MSG_RESULT([yes]);],
1699 [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
1702 # If we couldn't enable LTO and the user forced it, emit an error.
1703 if test x"$enable_lto" = x"no" \
1704 && test x"$default_enable_lto" != x"yes" ; then
1705 AC_MSG_ERROR([To enable LTO, GCC requires libelf v0.8.12+.
1706 Try the --with-libelf, --with-libelf-include and --with-libelf-lib options
1707 to specify its location.])
1711 CFLAGS="$saved_CFLAGS"
1712 CPPFLAGS="$saved_CPPFLAGS"
1717 # Flags needed for libelf.
1718 AC_SUBST(libelflibs)
1723 # By default, C is the only stage 1 language.
1724 stage1_languages=,c,
1726 # Target libraries that we bootstrap.
1727 bootstrap_target_libs=,target-libgcc,
1729 # Figure out what language subdirectories are present.
1730 # Look if the user specified --enable-languages="..."; if not, use
1731 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1733 # NB: embedded tabs in this IF block -- do not untabify
1734 if test -d ${srcdir}/gcc; then
1735 if test x"${enable_languages+set}" != xset; then
1736 if test x"${LANGUAGES+set}" = xset; then
1737 enable_languages="${LANGUAGES}"
1738 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1740 enable_languages=all
1743 if test x"${enable_languages}" = x ||
1744 test x"${enable_languages}" = xyes;
1746 echo configure.in: --enable-languages needs at least one language argument 1>&2
1750 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1752 # 'f95' is the old name for the 'fortran' language. We issue a warning
1753 # and make the substitution.
1754 case ,${enable_languages}, in
1756 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1757 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1761 # First scan to see if an enabled language requires some other language.
1762 # We assume that a given config-lang.in will list all the language
1763 # front ends it requires, even if some are required indirectly.
1764 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1765 case ${lang_frag} in
1767 # The odd quoting in the next line works around
1768 # an apparent bug in bash 1.12 on linux.
1769 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1771 # From the config-lang.in, get $language, $lang_requires
1775 for other in ${lang_requires} ; do
1776 case ,${enable_languages}, in
1780 echo " \`$other' language required by \`$language'; enabling" 1>&2
1781 enable_languages="${enable_languages},${other}"
1789 new_enable_languages=,c,
1791 # If LTO is enabled, add the LTO front end.
1792 extra_host_libiberty_configure_flags=
1793 if test "$enable_lto" = "yes" ; then
1794 case ,${enable_languages}, in
1796 *) enable_languages="${enable_languages},lto" ;;
1798 if test "${ENABLE_GOLD}" = "yes" ; then
1799 configdirs="$configdirs lto-plugin"
1800 extra_host_libiberty_configure_flags=--enable-shared
1803 AC_SUBST(extra_host_libiberty_configure_flags)
1805 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1806 potential_languages=,c,
1808 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1809 case ${lang_frag} in
1811 # The odd quoting in the next line works around
1812 # an apparent bug in bash 1.12 on linux.
1813 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1815 # From the config-lang.in, get $language, $target_libs,
1816 # $lang_dirs, $boot_language, and $build_by_default
1822 build_by_default=yes
1824 if test x${language} = x; then
1825 echo "${lang_frag} doesn't set \$language." 1>&2
1829 if test "$language" = "c++" \
1830 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1834 case ,${enable_languages}, in
1836 # Language was explicitly selected; include it.
1840 # 'all' was selected, select it if it is a default language
1841 add_this_lang=${build_by_default}
1848 # Disable languages that need other directories if these aren't available.
1849 for i in $subdir_requires; do
1850 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1851 case ,${enable_languages}, in
1853 # Specifically requested language; tell them.
1854 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1858 add_this_lang=unsupported
1863 # Disable Ada if no preexisting GNAT is available.
1864 case ,${enable_languages},:${language}:${have_gnat} in
1865 *,${language},*:ada:no)
1866 # Specifically requested language; tell them.
1867 AC_MSG_ERROR([GNAT is required to build $language])
1871 add_this_lang=unsupported
1875 # Disable a language that is unsupported by the target.
1876 case " $unsupported_languages " in
1878 add_this_lang=unsupported
1882 case $add_this_lang in
1884 # Remove language-dependent dirs.
1885 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1888 # Remove language-dependent dirs; still show language as supported.
1889 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1890 potential_languages="${potential_languages}${language},"
1893 new_enable_languages="${new_enable_languages}${language},"
1894 potential_languages="${potential_languages}${language},"
1895 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1896 case "${boot_language}:,$enable_stage1_languages," in
1897 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1898 # Add to (comma-separated) list of stage 1 languages.
1899 case ",$stage1_languages," in
1900 *,$language,* | ,yes, | ,all,) ;;
1901 *) stage1_languages="${stage1_languages}${language}," ;;
1903 # We need to bootstrap any supporting libraries.
1904 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1913 AC_ARG_ENABLE(stage1-languages,
1914 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1915 stage1. Mostly useful for compiler development.],
1916 [case ,${enable_stage1_languages}, in
1918 # Set it to something that will have no effect in the loop below
1919 enable_stage1_languages=c ;;
1921 enable_stage1_languages=`echo $new_enable_languages | \
1922 sed -e "s/^,//" -e "s/,$//" ` ;;
1924 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1925 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1928 # Add "good" languages from enable_stage1_languages to stage1_languages,
1929 # while "bad" languages go in missing_languages. Leave no duplicates.
1930 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1931 case $potential_languages in
1933 case $stage1_languages in
1935 *) stage1_languages="$stage1_languages$i," ;;
1938 case $missing_languages in
1940 *) missing_languages="$missing_languages$i," ;;
1945 # Remove leading/trailing commas that were added for simplicity
1946 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1947 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1948 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1949 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1951 if test "x$missing_languages" != x; then
1953 The following requested languages could not be built: ${missing_languages}
1954 Supported languages are: ${potential_languages}])
1956 if test "x$new_enable_languages" != "x$enable_languages"; then
1957 echo The following languages will be built: ${new_enable_languages}
1958 enable_languages="$new_enable_languages"
1961 AC_SUBST(stage1_languages)
1962 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1965 # Handle --disable-<component> generically.
1966 for dir in $configdirs $build_configdirs $target_configdirs ; do
1967 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1968 varname=`echo $dirname | sed -e s/+/_/g`
1969 if eval test x\${enable_${varname}} "=" xno ; then
1970 noconfigdirs="$noconfigdirs $dir"
1974 # Check for Boehm's garbage collector
1975 AC_ARG_ENABLE(objc-gc,
1976 [ --enable-objc-gc enable use of Boehm's garbage collector with the
1977 GNU Objective-C runtime],
1978 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1979 *,objc,*:*:yes:*target-boehm-gc*)
1980 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1984 # Make sure we only build Boehm's garbage collector if required.
1985 case ,${enable_languages},:${enable_objc_gc} in
1987 # Keep target-boehm-gc if requested for Objective-C.
1990 # Otherwise remove target-boehm-gc depending on target-libjava.
1991 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1992 noconfigdirs="$noconfigdirs target-boehm-gc"
1997 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1998 # $build_configdirs and $target_configdirs.
1999 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2002 for dir in . $skipdirs $noconfigdirs ; do
2003 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2004 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2005 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2006 if test -r $srcdir/$dirname/configure ; then
2007 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2010 notsupp="$notsupp $dir"
2014 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2015 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2016 if test -r $srcdir/$dirname/configure ; then
2017 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2020 notsupp="$notsupp $dir"
2024 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2025 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2026 if test -r $srcdir/$dirname/configure ; then
2027 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2030 notsupp="$notsupp $dir"
2036 # Sometimes the tools are distributed with libiberty but with no other
2037 # libraries. In that case, we don't want to build target-libiberty.
2038 # Don't let libgcc imply libiberty either.
2039 if test -n "${target_configdirs}" ; then
2042 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2043 if test "$i" = "libgcc"; then
2044 libgcc=target-libgcc
2045 elif test "$i" != "libiberty" ; then
2046 if test -r $srcdir/$i/configure ; then
2052 if test -z "${others}" ; then
2053 target_configdirs=$libgcc
2057 # Quietly strip out all directories which aren't configurable in this tree.
2058 # This relies on all configurable subdirectories being autoconfiscated, which
2060 build_configdirs_all="$build_configdirs"
2062 for i in ${build_configdirs_all} ; do
2063 j=`echo $i | sed -e s/build-//g`
2064 if test -f ${srcdir}/$j/configure ; then
2065 build_configdirs="${build_configdirs} $i"
2069 configdirs_all="$configdirs"
2071 for i in ${configdirs_all} ; do
2072 if test -f ${srcdir}/$i/configure ; then
2073 configdirs="${configdirs} $i"
2077 target_configdirs_all="$target_configdirs"
2079 for i in ${target_configdirs_all} ; do
2080 j=`echo $i | sed -e s/target-//g`
2081 if test -f ${srcdir}/$j/configure ; then
2082 target_configdirs="${target_configdirs} $i"
2086 # Produce a warning message for the subdirs we can't configure.
2087 # This isn't especially interesting in the Cygnus tree, but in the individual
2088 # FSF releases, it's important to let people know when their machine isn't
2089 # supported by the one or two programs in a package.
2091 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2092 # If $appdirs is non-empty, at least one of those directories must still
2093 # be configured, or we error out. (E.g., if the gas release supports a
2094 # specified target in some subdirs but not the gas subdir, we shouldn't
2095 # pretend that all is well.)
2096 if test -n "$appdirs" ; then
2097 for dir in $appdirs ; do
2098 if test -r $dir/Makefile.in ; then
2099 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2103 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2109 if test -n "$appdirs" ; then
2110 echo "*** This configuration is not supported by this package." 1>&2
2114 # Okay, some application will build, or we don't care to check. Still
2115 # notify of subdirs not getting built.
2116 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2117 echo " ${notsupp}" 1>&2
2118 echo " (Any other directories should still work fine.)" 1>&2
2126 # To find our prefix, in gcc_cv_tool_prefix.
2131 AC_ARG_WITH([build-sysroot],
2132 [ --with-build-sysroot=SYSROOT
2133 use sysroot as the system root during the build],
2134 [if test x"$withval" != x ; then
2135 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2137 [SYSROOT_CFLAGS_FOR_TARGET=])
2138 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2140 AC_ARG_WITH([debug-prefix-map],
2141 [ --with-debug-prefix-map='A=B C=D ...'
2142 map A to B, C to D ... in debug information],
2143 [if test x"$withval" != x; then
2144 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2145 for debug_map in $withval; do
2146 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2149 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2150 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2152 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2153 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2154 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2155 # We want to ensure that TARGET libraries (which we know are built with
2156 # gcc) are built with "-O2 -g", so include those options when setting
2157 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2158 if test "x$CFLAGS_FOR_TARGET" = x; then
2159 CFLAGS_FOR_TARGET=$CFLAGS
2162 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2165 *" -g "* | *" -g3 "*) ;;
2166 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2169 AC_SUBST(CFLAGS_FOR_TARGET)
2171 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2172 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2173 case " $CXXFLAGS " in
2175 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2177 case " $CXXFLAGS " in
2178 *" -g "* | *" -g3 "*) ;;
2179 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2182 AC_SUBST(CXXFLAGS_FOR_TARGET)
2184 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2185 # the named directory are copied to $(tooldir)/sys-include.
2186 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2187 if test x${is_cross_compiler} = xno ; then
2188 echo 1>&2 '***' --with-headers is only supported when cross compiling
2191 if test x"${with_headers}" != xyes ; then
2192 x=${gcc_cv_tool_prefix}
2193 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2197 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2198 # the name directories are copied to $(tooldir)/lib. Multiple directories
2200 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2201 if test x${is_cross_compiler} = xno ; then
2202 echo 1>&2 '***' --with-libs is only supported when cross compiling
2205 if test x"${with_libs}" != xyes ; then
2206 # Copy the libraries in reverse order, so that files in the first named
2207 # library override files in subsequent libraries.
2208 x=${gcc_cv_tool_prefix}
2209 for l in ${with_libs}; do
2210 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2215 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2217 # This is done by determining whether or not the appropriate directory
2218 # is available, and by checking whether or not specific configurations
2219 # have requested that this magic not happen.
2221 # The command line options always override the explicit settings in
2222 # configure.in, and the settings in configure.in override this magic.
2224 # If the default for a toolchain is to use GNU as and ld, and you don't
2225 # want to do that, then you should use the --without-gnu-as and
2226 # --without-gnu-ld options for the configure script. Similarly, if
2227 # the default is to use the included zlib and you don't want to do that,
2228 # you should use the --with-system-zlib option for the configure script.
2230 if test x${use_gnu_as} = x &&
2231 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2233 extra_host_args="$extra_host_args --with-gnu-as"
2236 if test x${use_gnu_ld} = x &&
2237 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2239 extra_host_args="$extra_host_args --with-gnu-ld"
2242 if test x${use_included_zlib} = x &&
2243 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2246 with_system_zlib=yes
2247 extra_host_args="$extra_host_args --with-system-zlib"
2250 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2251 # can detect this case.
2253 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2255 extra_host_args="$extra_host_args --with-newlib"
2258 # Handle ${copy_dirs}
2259 set fnord ${copy_dirs}
2261 while test $# != 0 ; do
2262 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2265 echo Copying $1 to $2
2267 # Use the install script to create the directory and all required
2268 # parent directories.
2269 if test -d $2 ; then
2273 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2276 # Copy the directory, assuming we have tar.
2277 # FIXME: Should we use B in the second tar? Not all systems support it.
2278 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2280 # It is the responsibility of the user to correctly adjust all
2281 # symlinks. If somebody can figure out how to handle them correctly
2282 # here, feel free to add the code.
2289 # Determine a target-dependent exec_prefix that the installed
2290 # gcc will search in. Keep this list sorted by triplet, with
2291 # the *-*-osname triplets last.
2295 md_exec_prefix=/gnu/lib/gcc-lib
2297 i[[34567]]86-pc-msdosdjgpp*)
2298 md_exec_prefix=/dev/env/DJDIR/bin
2300 i[[34567]]86-*-sco3.2v5*)
2301 if test $with_gnu_as = yes; then
2302 md_exec_prefix=/usr/gnu/bin
2304 md_exec_prefix=/usr/ccs/bin/elf
2309 powerpc-*-chorusos* | \
2310 powerpc*-*-eabi* | \
2311 powerpc*-*-sysv* | \
2312 powerpc*-*-kaos* | \
2314 md_exec_prefix=/usr/ccs/bin
2319 md_exec_prefix=/usr/ccs/bin
2334 md_exec_prefix=/usr/ccs/bin
2338 extra_arflags_for_target=
2339 extra_nmflags_for_target=
2340 extra_ranlibflags_for_target=
2341 target_makefile_frag=/dev/null
2344 target_makefile_frag="config/mt-mep"
2347 target_makefile_frag="config/mt-spu"
2350 target_makefile_frag="config/mt-sde"
2352 mipsisa*-*-elfoabi*)
2353 target_makefile_frag="config/mt-mips-elfoabi"
2355 mips*-*-*linux* | mips*-*-gnu*)
2356 target_makefile_frag="config/mt-mips-gnu"
2359 target_makefile_frag="config/mt-netware"
2361 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2362 target_makefile_frag="config/mt-gnu"
2364 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2365 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2366 # commands to handle both 32-bit and 64-bit objects. These flags are
2367 # harmless if we're using GNU nm or ar.
2368 extra_arflags_for_target=" -X32_64"
2369 extra_nmflags_for_target=" -B -X32_64"
2372 # ranlib from Darwin requires the -c flag to look at common symbols.
2373 extra_ranlibflags_for_target=" -c"
2375 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2376 target_makefile_frag="config/mt-wince"
2380 alphaieee_frag=/dev/null
2383 # This just makes sure to use the -mieee option to build target libs.
2384 # This should probably be set individually by each library.
2385 alphaieee_frag="config/mt-alphaieee"
2389 # If --enable-target-optspace always use -Os instead of -O2 to build
2390 # the target libraries, similarly if it is not specified, use -Os
2391 # on selected platforms.
2392 ospace_frag=/dev/null
2393 case "${enable_target_optspace}:${target}" in
2395 ospace_frag="config/mt-ospace"
2398 ospace_frag="config/mt-d30v"
2400 :m32r-* | :d10v-* | :fr30-*)
2401 ospace_frag="config/mt-ospace"
2406 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2410 # Default to using --with-stabs for certain targets.
2411 if test x${with_stabs} = x ; then
2413 mips*-*-irix[[56]]*)
2415 mips*-*-* | alpha*-*-osf*)
2417 extra_host_args="${extra_host_args} --with-stabs"
2422 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2423 # them automatically.
2426 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2430 # Some systems (e.g., one of the i386-aix systems the gas testers are
2431 # using) don't handle "\$" correctly, so don't use it here.
2432 tooldir='${exec_prefix}'/${target_noncanonical}
2433 build_tooldir=${tooldir}
2435 # Create a .gdbinit file which runs the one in srcdir
2436 # and tells GDB to look there for source files.
2438 if test -r ${srcdir}/.gdbinit ; then
2441 *) cat > ./.gdbinit <<EOF
2445 source ${srcdir}/.gdbinit
2451 # Make sure that the compiler is able to generate an executable. If it
2452 # can't, we are probably in trouble. We don't care whether we can run the
2453 # executable--we might be using a cross compiler--we only care whether it
2454 # can be created. At this point the main configure script has set CC.
2456 echo "int main () { return 0; }" > conftest.c
2457 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2458 if test $? = 0 ; then
2459 if test -s conftest || test -s conftest.exe ; then
2465 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2466 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2473 # The Solaris /usr/ucb/cc compiler does not appear to work.
2475 sparc-sun-solaris2*)
2476 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2477 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2479 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2480 if test -d /opt/cygnus/bin ; then
2481 if test "$could_use" = "" ; then
2482 could_use="/opt/cygnus/bin"
2484 could_use="$could_use or /opt/cygnus/bin"
2487 if test "$could_use" = "" ; then
2488 echo "Warning: compilation may fail because you're using"
2489 echo "/usr/ucb/cc. You should change your PATH or CC "
2490 echo "variable and rerun configure."
2492 echo "Warning: compilation may fail because you're using"
2493 echo "/usr/ucb/cc, when you should use the C compiler from"
2494 echo "$could_use. You should change your"
2495 echo "PATH or CC variable and rerun configure."
2501 # Decide which environment variable is used to find dynamic libraries.
2503 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2504 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2505 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2506 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2509 # On systems where the dynamic library environment variable is PATH,
2510 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2511 # built executables to PATH.
2512 if test "$RPATH_ENVVAR" = PATH; then
2513 GCC_SHLIB_SUBDIR=/shlib
2518 # Record target_configdirs and the configure arguments for target and
2519 # build configuration in Makefile.
2520 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2521 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2523 # Determine whether gdb needs tk/tcl or not.
2524 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2525 # and in that case we want gdb to be built without tk. Ugh!
2526 # In fact I believe gdb is the *only* package directly dependent on tk,
2527 # so we should be able to put the 'maybe's in unconditionally and
2528 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2529 # 100% sure that that's safe though.
2531 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2532 case "$enable_gdbtk" in
2536 GDB_TK="${gdb_tk}" ;;
2538 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2539 # distro. Eventually someone will fix this and move Insight, nee
2540 # gdbtk to a separate directory.
2541 if test -d ${srcdir}/gdb/gdbtk ; then
2548 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2549 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2551 # Strip out unwanted targets.
2553 # While at that, we remove Makefiles if we were started for recursive
2554 # configuration, so that the top-level Makefile reconfigures them,
2555 # like we used to do when configure itself was recursive.
2557 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2558 # but now we're fixing up the Makefile ourselves with the additional
2559 # commands passed to AC_CONFIG_FILES. Use separate variables
2560 # extrasub-{build,host,target} not because there is any reason to split
2561 # the substitutions up that way, but only to remain below the limit of
2562 # 99 commands in a script, for HP-UX sed.
2563 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2565 AC_ARG_ENABLE([bootstrap],
2566 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2567 enable_bootstrap=default)
2569 # Issue errors and warnings for invalid/strange bootstrap combinations.
2570 case "$configdirs" in
2571 *gcc*) have_compiler=yes ;;
2572 *) have_compiler=no ;;
2575 case "$have_compiler:$host:$target:$enable_bootstrap" in
2578 # Default behavior. Enable bootstrap if we have a compiler
2579 # and we are in a native configuration.
2580 yes:$build:$build:default)
2581 enable_bootstrap=yes ;;
2584 enable_bootstrap=no ;;
2586 # We have a compiler and we are in a native configuration, bootstrap is ok
2587 yes:$build:$build:yes)
2590 # Other configurations, but we have a compiler. Assume the user knows
2593 AC_MSG_WARN([trying to bootstrap a cross compiler])
2596 # No compiler: if they passed --enable-bootstrap explicitly, fail
2598 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2600 # Fail if wrong command line
2602 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2606 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2609 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2613 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2614 yes:yes:*\ gold\ *:*,c++,*) ;;
2615 yes:yes:*\ gold\ *:*)
2616 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2620 # Adjust the toplevel makefile according to whether bootstrap was selected.
2621 case $enable_bootstrap in
2623 bootstrap_suffix=bootstrap
2624 BUILD_CONFIG=bootstrap-debug
2627 bootstrap_suffix=no-bootstrap
2632 AC_MSG_CHECKING(for default BUILD_CONFIG)
2634 AC_ARG_WITH([build-config],
2635 [--with-build-config='NAME NAME2...'
2636 Use config/NAME.mk build configuration],
2637 [case $with_build_config in
2638 yes) with_build_config= ;;
2639 no) with_build_config= BUILD_CONFIG= ;;
2642 if test "x${with_build_config}" != x; then
2643 BUILD_CONFIG=$with_build_config
2645 case $BUILD_CONFIG in
2647 if echo "int f (void) { return 0; }" > conftest.c &&
2648 ${CC} -c conftest.c &&
2649 mv conftest.o conftest.o.g0 &&
2650 ${CC} -c -g conftest.c &&
2651 mv conftest.o conftest.o.g &&
2652 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g; then
2657 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2661 AC_MSG_RESULT($BUILD_CONFIG)
2662 AC_SUBST(BUILD_CONFIG)
2665 for module in ${build_configdirs} ; do
2666 if test -z "${no_recursion}" \
2667 && test -f ${build_subdir}/${module}/Makefile; then
2668 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2669 rm -f ${build_subdir}/${module}/Makefile
2671 extrasub_build="$extrasub_build
2672 /^@if build-$module\$/d
2673 /^@endif build-$module\$/d
2674 /^@if build-$module-$bootstrap_suffix\$/d
2675 /^@endif build-$module-$bootstrap_suffix\$/d"
2678 for module in ${configdirs} ; do
2679 if test -z "${no_recursion}"; then
2680 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2681 if test -f ${file}; then
2682 echo 1>&2 "*** removing ${file} to force reconfigure"
2687 extrasub_host="$extrasub_host
2689 /^@endif $module\$/d
2690 /^@if $module-$bootstrap_suffix\$/d
2691 /^@endif $module-$bootstrap_suffix\$/d"
2694 for module in ${target_configdirs} ; do
2695 if test -z "${no_recursion}" \
2696 && test -f ${target_subdir}/${module}/Makefile; then
2697 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2698 rm -f ${target_subdir}/${module}/Makefile
2701 # We only bootstrap target libraries listed in bootstrap_target_libs.
2702 case $bootstrap_target_libs in
2703 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2704 *) target_bootstrap_suffix=no-bootstrap ;;
2707 extrasub_target="$extrasub_target
2708 /^@if target-$module\$/d
2709 /^@endif target-$module\$/d
2710 /^@if target-$module-$target_bootstrap_suffix\$/d
2711 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2714 # Do the final fixup along with target modules.
2715 extrasub_target="$extrasub_target
2716 /^@if /,/^@endif /d"
2718 # Create the serialization dependencies. This uses a temporary file.
2720 AC_ARG_ENABLE([serial-configure],
2721 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2722 force sequential configuration of
2723 sub-packages for the host, target or build
2724 machine, or all sub-packages])
2726 case ${enable_serial_configure} in
2728 enable_serial_build_configure=yes
2729 enable_serial_host_configure=yes
2730 enable_serial_target_configure=yes
2734 # These force 'configure's to be done one at a time, to avoid problems
2735 # with contention over a shared config.cache.
2737 echo '# serdep.tmp' > serdep.tmp
2739 test "x${enable_serial_build_configure}" = xyes &&
2740 for item in ${build_configdirs} ; do
2743 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2748 test "x${enable_serial_host_configure}" = xyes &&
2749 for item in ${configdirs} ; do
2752 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2757 test "x${enable_serial_target_configure}" = xyes &&
2758 for item in ${target_configdirs} ; do
2761 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2765 serialization_dependencies=serdep.tmp
2766 AC_SUBST_FILE(serialization_dependencies)
2768 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2769 # target, nonopt, and variable assignments. These are the ones we
2770 # might not want to pass down to subconfigures. The exception being
2771 # --cache-file=/dev/null, which is used to turn off the use of cache
2772 # files altogether, and which should be passed on to subconfigures.
2773 # Also strip program-prefix, program-suffix, and program-transform-name,
2774 # so that we can pass down a consistent program-transform-name.
2778 eval "set -- $ac_configure_args"
2781 if test X"$skip_next" = X"yes"; then
2785 if test X"$keep_next" = X"yes"; then
2788 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2790 baseargs="$baseargs '$ac_arg'"
2795 # Handle separated arguments. Based on the logic generated by
2798 *=* | --config-cache | -C | -disable-* | --disable-* \
2799 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2800 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2801 | -with-* | --with-* | -without-* | --without-* | --x)
2813 --cache-file=/dev/null | \
2814 -cache-file=/dev/null )
2815 # Handled here to avoid the test to skip args below.
2816 baseargs="$baseargs '$ac_arg'"
2817 # Assert: $separate_arg should always be no.
2818 keep_next=$separate_arg
2834 -program-prefix* | \
2835 -program-suffix* | \
2836 -program-transform-name* )
2837 skip_next=$separate_arg
2841 # An option. Add it.
2844 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2846 baseargs="$baseargs '$ac_arg'"
2847 keep_next=$separate_arg
2850 # Either a variable assignment, or a nonopt (triplet). Don't
2851 # pass it down; let the Makefile handle this.
2856 # Remove the initial space we just introduced and, as these will be
2857 # expanded by make, quote '$'.
2858 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2860 # Add in --program-transform-name, after --program-prefix and
2861 # --program-suffix have been applied to it. Autoconf has already
2862 # doubled dollar signs and backslashes in program_transform_name; we want
2863 # the backslashes un-doubled, and then the entire thing wrapped in single
2864 # quotes, because this will be expanded first by make and then by the shell.
2865 # Also, because we want to override the logic in subdir configure scripts to
2866 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2867 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2868 ${program_transform_name}
2870 gcc_transform_name=`cat conftestsed.out`
2871 rm -f conftestsed.out
2872 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2873 if test "$silent" = yes; then
2874 baseargs="$baseargs --silent"
2876 baseargs="$baseargs --disable-option-checking"
2878 # For the build-side libraries, we just need to pretend we're native,
2879 # and not use the same cache file. Multilibs are neither needed nor
2881 build_configargs="--cache-file=../config.cache ${baseargs}"
2883 # For host modules, accept cache file option, or specification as blank.
2884 case "${cache_file}" in
2886 cache_file_option="" ;;
2887 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2888 cache_file_option="--cache-file=${cache_file}" ;;
2890 cache_file_option="--cache-file=../${cache_file}" ;;
2893 # Host dirs don't like to share a cache file either, horribly enough.
2894 # This seems to be due to autoconf 2.5x stupidity.
2895 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2897 target_configargs=${baseargs}
2899 # Passing a --with-cross-host argument lets the target libraries know
2900 # whether they are being built with a cross-compiler or being built
2901 # native. However, it would be better to use other mechanisms to make the
2902 # sorts of decisions they want to make on this basis. Please consider
2903 # this option to be deprecated. FIXME.
2904 if test x${is_cross_compiler} = xyes ; then
2905 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2908 # Default to --enable-multilib.
2909 if test x${enable_multilib} = x ; then
2910 target_configargs="--enable-multilib ${target_configargs}"
2913 # Pass --with-newlib if appropriate. Note that target_configdirs has
2914 # changed from the earlier setting of with_newlib.
2915 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2916 target_configargs="--with-newlib ${target_configargs}"
2919 # Different target subdirs use different values of certain variables
2920 # (notably CXX). Worse, multilibs use *lots* of different values.
2921 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2922 # it doesn't automatically accept command-line overrides of them.
2923 # This means it's not safe for target subdirs to share a cache file,
2924 # which is disgusting, but there you have it. Hopefully this can be
2925 # fixed in future. It's still worthwhile to use a cache file for each
2926 # directory. I think.
2928 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2929 # We need to pass --target, as newer autoconf's requires consistency
2930 # for target_alias and gcc doesn't manage it consistently.
2931 target_configargs="--cache-file=./config.cache ${target_configargs}"
2934 case " $target_configdirs " in
2936 case " $target_configargs " in
2937 *" --with-newlib "*)
2940 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include'
2944 # If we're not building GCC, don't discard standard headers.
2945 if test -d ${srcdir}/gcc; then
2946 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2948 if test "${build}" != "${host}"; then
2949 # On Canadian crosses, CC_FOR_TARGET will have already been set
2950 # by `configure', so we won't have an opportunity to add -Bgcc/
2951 # to it. This is right: we don't want to search that directory
2952 # for binaries, but we want the header files in there, so add
2954 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2956 # Someone might think of using the pre-installed headers on
2957 # Canadian crosses, in case the installed compiler is not fully
2958 # compatible with the compiler being built. In this case, it
2959 # would be better to flag an error than risking having
2960 # incompatible object files being constructed. We can't
2961 # guarantee that an error will be flagged, but let's hope the
2962 # compiler will do it, when presented with incompatible header
2967 case "${target}-${is_cross_compiler}" in
2968 i[[3456789]]86-*-linux*-no)
2969 # Here host == target, so we don't need to build gcc,
2970 # so we don't want to discard standard headers.
2971 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2974 # If we're building newlib, use its generic headers last, but search
2975 # for any libc-related directories first (so make it the last -B
2977 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2979 # If we're building libgloss, find the startup file, simulator library
2980 # and linker script.
2981 case " $target_configdirs " in
2983 # Look for startup file, simulator library and maybe linker script.
2984 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2985 # Look for libnosys.a in case the target needs it.
2986 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2987 # Most targets have the linker script in the source directory.
2988 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2999 x86_64-*mingw* | *-w64-mingw*)
3000 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3001 # however, use a symlink named 'mingw' in ${prefix} .
3002 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3005 # MinGW can't be handled as Cygwin above since it does not use newlib.
3006 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3010 # Allow the user to override the flags for
3011 # our build compiler if desired.
3012 if test x"${build}" = x"${host}" ; then
3013 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3014 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3015 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3018 # On Canadian crosses, we'll be searching the right directories for
3019 # the previously-installed cross compiler, so don't bother to add
3020 # flags for directories within the install tree of the compiler
3021 # being built; programs in there won't even run.
3022 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3023 # Search for pre-installed headers if nothing else fits.
3024 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3027 if test "x${use_gnu_ld}" = x &&
3028 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3029 # Arrange for us to find uninstalled linker scripts.
3030 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3033 # Search for other target-specific linker scripts and such.
3036 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3040 # Makefile fragments.
3041 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3043 eval fragval=\$$frag
3044 if test $fragval != /dev/null; then
3045 eval $frag=${srcdir}/$fragval
3048 AC_SUBST_FILE(host_makefile_frag)
3049 AC_SUBST_FILE(target_makefile_frag)
3050 AC_SUBST_FILE(alphaieee_frag)
3051 AC_SUBST_FILE(ospace_frag)
3053 # Miscellanea: directories, flags, etc.
3054 AC_SUBST(RPATH_ENVVAR)
3055 AC_SUBST(GCC_SHLIB_SUBDIR)
3057 AC_SUBST(build_tooldir)
3058 AC_SUBST(CONFIGURE_GDB_TK)
3060 AC_SUBST(INSTALL_GDB_TK)
3062 # Build module lists & subconfigure args.
3063 AC_SUBST(build_configargs)
3064 AC_SUBST(build_configdirs)
3066 # Host module lists & subconfigure args.
3067 AC_SUBST(host_configargs)
3068 AC_SUBST(configdirs)
3070 # Target module lists & subconfigure args.
3071 AC_SUBST(target_configargs)
3075 AC_SUBST(AR_FOR_BUILD)
3076 AC_SUBST(AS_FOR_BUILD)
3077 AC_SUBST(CC_FOR_BUILD)
3078 AC_SUBST(CFLAGS_FOR_BUILD)
3079 AC_SUBST(CXXFLAGS_FOR_BUILD)
3080 AC_SUBST(CXX_FOR_BUILD)
3081 AC_SUBST(DLLTOOL_FOR_BUILD)
3082 AC_SUBST(GCJ_FOR_BUILD)
3083 AC_SUBST(GFORTRAN_FOR_BUILD)
3084 AC_SUBST(LDFLAGS_FOR_BUILD)
3085 AC_SUBST(LD_FOR_BUILD)
3086 AC_SUBST(NM_FOR_BUILD)
3087 AC_SUBST(RANLIB_FOR_BUILD)
3088 AC_SUBST(WINDMC_FOR_BUILD)
3089 AC_SUBST(WINDRES_FOR_BUILD)
3090 AC_SUBST(config_shell)
3092 # Generate default definitions for YACC, M4, LEX and other programs that run
3093 # on the build machine. These are used if the Makefile can't locate these
3094 # programs in objdir.
3095 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3097 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3098 case " $build_configdirs " in
3099 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3100 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3103 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3104 case " $build_configdirs " in
3105 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3108 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3109 case " $build_configdirs " in
3110 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3113 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3114 case " $build_configdirs " in
3115 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3116 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3119 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3120 case " $build_configdirs " in
3121 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3124 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3125 case " $build_configdirs " in
3126 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3129 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3130 # higher, else we use the "missing" dummy.
3131 if ${MAKEINFO} --version \
3132 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3135 MAKEINFO="$MISSING makeinfo"
3141 # FIXME: expect and dejagnu may become build tools?
3143 AC_CHECK_PROGS(EXPECT, expect, expect)
3144 case " $configdirs " in
3146 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3150 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3151 case " $configdirs " in
3153 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3159 NCN_STRICT_CHECK_TOOLS(AR, ar)
3160 NCN_STRICT_CHECK_TOOLS(AS, as)
3161 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3162 NCN_STRICT_CHECK_TOOLS(LD, ld)
3163 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3164 NCN_STRICT_CHECK_TOOLS(NM, nm)
3165 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
3166 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
3167 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3168 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3169 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3170 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3177 AC_ARG_WITH([build-time-tools],
3178 [ --with-build-time-tools=PATH
3179 use given path to find target tools during the build],
3180 [case x"$withval" in
3183 with_build_time_tools=
3184 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3187 [with_build_time_tools=])
3189 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3190 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3191 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3192 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3193 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3195 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3196 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3197 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3198 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3199 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3200 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3201 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3202 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
3203 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3204 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3205 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3207 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3209 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3210 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3211 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3212 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3213 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3215 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3216 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3218 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3219 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3220 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3221 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3222 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3223 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3224 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3225 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3226 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3227 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3228 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3229 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3230 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3231 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3233 AC_SUBST(FLAGS_FOR_TARGET)
3234 AC_SUBST(RAW_CXX_FOR_TARGET)
3236 # Certain tools may need extra flags.
3237 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3238 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3239 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3241 # When building target libraries, except in a Canadian cross, we use
3242 # the same toolchain as the compiler we just built.
3243 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3244 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3245 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3246 if test $host = $build; then
3247 case " $configdirs " in
3249 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3250 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3251 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3256 AC_SUBST(COMPILER_AS_FOR_TARGET)
3257 AC_SUBST(COMPILER_LD_FOR_TARGET)
3258 AC_SUBST(COMPILER_NM_FOR_TARGET)
3260 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3261 AC_ARG_ENABLE(maintainer-mode,
3262 [ --enable-maintainer-mode enable make rules and dependencies not useful
3263 (and sometimes confusing) to the casual installer],
3264 USE_MAINTAINER_MODE=$enableval,
3265 USE_MAINTAINER_MODE=no)
3266 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3267 AC_SUBST(MAINTAINER_MODE_TRUE)
3268 AC_SUBST(MAINTAINER_MODE_FALSE)
3269 if test "$USE_MAINTAINER_MODE" = yes; then
3270 MAINTAINER_MODE_TRUE=
3271 MAINTAINER_MODE_FALSE='#'
3273 MAINTAINER_MODE_TRUE='#'
3274 MAINTAINER_MODE_FALSE=
3276 MAINT=$MAINTAINER_MODE_TRUE
3279 # ---------------------
3280 # GCC bootstrap support
3281 # ---------------------
3283 # Stage specific cflags for build.
3288 yes) stage1_cflags="-g -Wa,-J" ;;
3289 *) stage1_cflags="-g -J" ;;
3293 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3294 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3295 saved_CFLAGS="$CFLAGS"
3297 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3298 CFLAGS="$CFLAGS -fkeep-inline-functions"
3299 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3301 #if (__GNUC__ < 3) \
3302 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3303 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3304 #error http://gcc.gnu.org/PR29382
3307 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3308 [AC_MSG_RESULT([no])])
3310 CFLAGS="$saved_CFLAGS"
3313 AC_SUBST(stage1_cflags)
3315 # Enable --enable-checking in stage1 of the compiler.
3316 AC_ARG_ENABLE(stage1-checking,
3317 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3319 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3320 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3321 stage1_checking=--enable-checking=yes,types
3323 stage1_checking=--enable-checking=$enable_checking,types
3325 AC_SUBST(stage1_checking)
3327 # Enable -Werror in bootstrap stage2 and later.
3328 AC_ARG_ENABLE(werror,
3329 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3330 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3335 case ${enable_werror} in
3336 yes) stage2_werror_flag="--enable-werror-always" ;;
3337 *) stage2_werror_flag="" ;;
3339 AC_SUBST(stage2_werror_flag)
3341 # Specify what files to not compare during bootstrap.
3343 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3345 hppa*64*-*-hpux*) ;;
3346 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3348 case " $configdirs " in
3349 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3351 AC_SUBST(compare_exclusions)
3353 AC_CONFIG_FILES([Makefile],
3354 [sed "$extrasub_build" Makefile |
3355 sed "$extrasub_host" |
3356 sed "$extrasub_target" > mf$$
3357 mv -f mf$$ Makefile],
3358 [extrasub_build="$extrasub_build"
3359 extrasub_host="$extrasub_host"
3360 extrasub_target="$extrasub_target"])