1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
3 # Free Software Foundation, Inc.
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)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 ### we might need to use some other shell than /bin/sh for running subshells
93 ### If we are on Windows, search for the shell. This will permit people
94 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
95 ### without also having to set CONFIG_SHELL. This code will work when
96 ### using bash, which sets OSTYPE.
99 if test x${CONFIG_SHELL} = x ; then
100 if test ! -f /bin/sh ; then
101 if test x${SHELL} != x && test -f ${SHELL} ; then
102 CONFIG_SHELL=${SHELL}
105 for prog in sh sh.exe bash bash.exe; do
106 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
108 test -z "$dir" && dir=.
109 if test -f $dir/$prog; then
110 CONFIG_SHELL=$dir/$prog
116 test -n "${CONFIG_SHELL}" && break
124 config_shell=${CONFIG_SHELL-/bin/sh}
126 moveifchange=${srcdir}/move-if-change
128 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
130 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
132 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
133 INSTALL="${srcpwd}/install-sh -c"
136 # Set srcdir to "." if that's what it is.
137 # This is important for multilib support.
139 if test "${pwd}" = "${srcpwd}" ; then
147 ### To add a new directory to the tree, first choose whether it is a target
148 ### or a host dependent tool. Then put it into the appropriate list
149 ### (library or tools, host or target), doing a dependency sort.
151 # Subdirs will be configured in the order listed in build_configdirs,
152 # configdirs, or target_configdirs; see the serialization section below.
154 # Dependency sorting is only needed when *configuration* must be done in
155 # a particular order. In all cases a dependency should be specified in
156 # the Makefile, whether or not it's implicitly specified here.
158 # Double entries in build_configdirs, configdirs, or target_configdirs may
159 # cause circular dependencies and break everything horribly.
161 # these library is used by various programs built for the build
164 build_libs="build-libiberty"
166 # these tools are built for the build environment
167 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
169 # these libraries are used by various programs built for the host environment
171 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
173 # these tools are built for the host environment
174 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
175 # know that we are building the simulator.
176 # binutils, gas and ld appear in that order because it makes sense to run
177 # "make check" in that particular order.
178 # If --enable-gold is used, "gold" may replace "ld".
179 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"
181 # libgcj represents the runtime libraries only used by gcj.
182 libgcj="target-libffi \
187 # these libraries are built for the target environment, and are built after
188 # the host libraries and the host tools (which may be a cross compiler)
190 target_libraries="target-libgcc \
195 target-libstdc++-v3 \
206 # these tools are built using the target libraries, and are intended to
207 # run only in the target environment
209 # note: any program that *uses* libraries that are in the "target_libraries"
210 # list belongs in this list. those programs are also very likely
211 # candidates for the "native_only" list which follows
213 target_tools="target-examples target-groff target-gperf target-rda"
215 ################################################################################
217 ## All tools belong in one of the four categories, and are assigned above
218 ## We assign ${configdirs} this way to remove all embedded newlines. This
219 ## is important because configure will choke if they ever get through.
220 ## ${configdirs} is directories we build using the host tools.
221 ## ${target_configdirs} is directories we build using the target tools.
222 configdirs=`echo ${host_libs} ${host_tools}`
223 target_configdirs=`echo ${target_libraries} ${target_tools}`
224 build_configdirs=`echo ${build_libs} ${build_tools}`
226 m4_divert_text([PARSE_ARGS],
229 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
230 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
231 m4_popdef([AS_MESSAGE_LOG_FD])dnl
234 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
237 ################################################################################
239 srcname="gnu development package"
241 # This gets set non-empty for some net releases of packages.
244 # Define is_cross_compiler to save on calls to 'test'.
246 if test x"${host}" = x"${target}" ; then
249 is_cross_compiler=yes
252 # Find the build and target subdir names.
254 # Be sure to cover against remnants of an in-tree build.
255 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
256 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
257 Use a pristine source tree when building in a separate tree])
260 # Skipdirs are removed silently.
262 # Noconfigdirs are removed loudly.
266 # Make sure we don't let GNU ld be added if we didn't want it.
267 if test x$with_gnu_ld = xno ; then
269 noconfigdirs="$noconfigdirs ld gold"
273 # Make sure we don't let GNU as be added if we didn't want it.
274 if test x$with_gnu_as = xno ; then
276 noconfigdirs="$noconfigdirs gas"
280 # Make sure we don't let ZLIB be added if we didn't want it.
281 if test x$with_system_zlib = xyes ; then
283 noconfigdirs="$noconfigdirs zlib"
286 # some tools are so dependent upon X11 that if we're not building with X,
287 # it's not even worth trying to configure, much less build, that tool.
290 yes | "") ;; # the default value for this tree is that X11 is available
292 skipdirs="${skipdirs} tk itcl libgui"
293 # We won't be able to build gdbtk without X.
296 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
299 # Some tools are only suitable for building in a "native" situation.
300 # Remove these if host!=target.
301 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"
303 # Similarly, some are only suitable for cross toolchains.
304 # Remove these if host=target.
305 cross_only="target-libgloss target-newlib target-opcodes"
307 case $is_cross_compiler in
308 no) skipdirs="${skipdirs} ${cross_only}" ;;
309 yes) skipdirs="${skipdirs} ${native_only}" ;;
312 # If both --with-headers and --with-libs are specified, default to
314 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
315 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
316 if test x"${with_newlib}" = x ; then
321 # Recognize --with-newlib/--without-newlib.
322 case ${with_newlib} in
323 no) skipdirs="${skipdirs} target-newlib" ;;
324 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
327 # Handle --enable-gold, --enable-ld.
328 # --disable-gold [--enable-ld]
329 # Build only ld. Default option.
330 # --enable-gold[=default] [--enable-ld]
331 # Build both gold and ld. Install gold as "ld.gold" and "ld",
332 # install ld as "ld.bfd".
333 # --enable-gold[=default] --disable-ld
334 # Build only gold, which is then installed as both "ld.gold" and "ld".
335 # --enable-gold --enable-ld=default
336 # Build both gold (installed as "gold") and ld (installed as "ld").
337 # In other words, ld is default
338 # --enable-gold=default --enable-ld=default
343 [[ --enable-gold[=ARG] build gold [ARG={default,yes,no}]]],
344 ENABLE_GOLD=$enableval,
346 case "${ENABLE_GOLD}" in
348 # Check for ELF target.
351 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
352 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
353 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
355 *-*-linux*aout* | *-*-linux*oldld*)
363 if test "$is_elf" = "yes"; then
364 # Check for target supported by gold.
366 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
367 configdirs="$configdirs gold"
368 if test x${ENABLE_GOLD} = xdefault; then
379 AC_MSG_ERROR([invalid --enable-gold argument])
384 [[ --enable-ld[=ARG] build ld [ARG={default,yes,no}]]],
385 ENABLE_LD=$enableval,
388 case "${ENABLE_LD}" in
390 if test x${default_ld} != xgold; then
391 AC_MSG_ERROR([either gold or ld can be the default ld])
397 if test x${ENABLE_GOLD} != xyes; then
398 AC_MSG_WARN([neither ld nor gold are enabled])
400 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
403 AC_MSG_ERROR([invalid --enable-ld argument])
407 # Configure extra directories which are host specific
411 configdirs="$configdirs libtermcap" ;;
414 # A target can indicate whether a language isn't supported for some reason.
415 # Only spaces may be used in this macro; not newlines or tabs.
416 unsupported_languages=
418 # Remove more programs from consideration, based on the host or
419 # target this usually means that a port of the program doesn't
424 noconfigdirs="$noconfigdirs byacc"
426 i[[3456789]]86-*-vsta)
427 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
429 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
430 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
433 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
435 i[[3456789]]86-*-mingw32*)
436 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
437 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
439 i[[3456789]]86-*-beos*)
440 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
443 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
446 noconfigdirs="$noconfigdirs rcs"
449 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
452 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
457 AC_ARG_ENABLE(libada,
458 [ --enable-libada build libada directory],
459 ENABLE_LIBADA=$enableval,
461 if test "${ENABLE_LIBADA}" != "yes" ; then
462 noconfigdirs="$noconfigdirs gnattools"
465 AC_ARG_ENABLE(libssp,
466 [ --enable-libssp build libssp directory],
467 ENABLE_LIBSSP=$enableval,
470 # Save it here so that, even in case of --enable-libgcj, if the Java
471 # front-end isn't enabled, we still get libgcj disabled.
473 case $enable_libgcj in
475 # If we reset it here, it won't get added to noconfigdirs in the
476 # target-specific build rules, so it will be forcibly enabled
477 # (unless the Java language itself isn't enabled).
481 # Make sure we get it printed in the list of not supported target libs.
482 # Don't disable libffi, though, other languages use it.
483 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
488 # Disable libmudflap on some systems.
489 if test x$enable_libmudflap = x ; then
491 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
492 # Enable libmudflap by default in GNU and friends.
495 # Enable libmudflap by default in FreeBSD.
498 # Disable it by default everywhere else.
499 noconfigdirs="$noconfigdirs target-libmudflap"
504 # Disable libgomp on non POSIX hosted systems.
505 if test x$enable_libgomp = x ; then
506 # Enable libgomp by default on hosted POSIX systems.
508 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
510 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
512 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
514 *-*-darwin* | *-*-aix*)
517 noconfigdirs="$noconfigdirs target-libgomp"
522 # Default libgloss CPU subdirectory.
523 libgloss_dir="$target_cpu"
527 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
530 noconfigdirs="$noconfigdirs ld gas gdb gprof"
531 noconfigdirs="$noconfigdirs sim target-rda"
533 i[[3456789]]86-*-darwin*)
534 noconfigdirs="$noconfigdirs ld gprof"
535 noconfigdirs="$noconfigdirs sim target-rda"
537 x86_64-*-darwin[[912]]*)
538 noconfigdirs="$noconfigdirs ld gas gprof"
539 noconfigdirs="$noconfigdirs sim target-rda"
542 noconfigdirs="$noconfigdirs ld gas gdb gprof"
543 noconfigdirs="$noconfigdirs sim target-rda"
544 noconfigdirs="$noconfigdirs ${libgcj}"
546 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
547 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
550 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
551 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
552 && test -f /usr/local/include/gmp.h; then
556 # Skip some stuff that's unsupported on some FreeBSD configurations.
562 noconfigdirs="$noconfigdirs ${libgcj}"
567 # Remove unsupported stuff on all kaOS configurations.
568 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
569 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
570 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
571 noconfigdirs="$noconfigdirs target-libgloss"
574 # Skip some stuff on all NetBSD configurations.
575 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
577 # Skip some stuff that's unsupported on some NetBSD configurations.
579 i*86-*-netbsdelf*) ;;
580 arm*-*-netbsdelf*) ;;
582 noconfigdirs="$noconfigdirs ${libgcj}"
587 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
590 skipdirs="${skipdirs} target-libiberty"
591 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
593 # The tpf target doesn't support gdb yet.
595 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
598 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
601 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
604 # ld works, but does not support shared libraries.
605 # newlib is not 64 bit ready. I'm not sure about fileutils.
606 # gas doesn't generate exception information.
607 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
610 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
613 # newlib is not 64 bit ready
614 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
617 # newlib is not 64 bit ready
618 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
621 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
624 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
626 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
627 noconfigdirs="$noconfigdirs ${libgcj}"
628 noconfigdirs="$noconfigdirs target-examples"
629 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
630 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
631 noconfigdirs="$noconfigdirs expect dejagnu"
632 # the C++ libraries don't build on top of CE's C libraries
633 noconfigdirs="$noconfigdirs target-libstdc++-v3"
634 noconfigdirs="$noconfigdirs target-newlib"
636 *-*-cygwin*) ;; # keep gdb and readline
637 *) noconfigdirs="$noconfigdirs gdb readline"
643 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
647 arm-*-coff | strongarm-*-coff | xscale-*-coff)
648 noconfigdirs="$noconfigdirs ${libgcj}"
651 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
652 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
655 arm*-*-linux-gnueabi)
656 noconfigdirs="$noconfigdirs target-qthreads"
657 case ${with_newlib} in
658 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
663 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
667 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
670 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
673 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
676 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
679 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
682 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
685 unsupported_languages="$unsupported_languages java"
686 noconfigdirs="$noconfigdirs target-boehm-gc gdb"
687 if test x${is_cross_compiler} != xno ; then
688 target_configdirs="${target_configdirs} target-bsp target-cygmon"
692 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
694 c54x*-*-* | tic54x-*-*)
695 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
698 noconfigdirs="$noconfigdirs ${libgcj} gdb"
700 cris-*-* | crisv32-*-*)
701 unsupported_languages="$unsupported_languages java"
704 unsupported_languages="$unsupported_languages fortran"
705 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
707 noconfigdirs="$noconfigdirs target-boehm-gc";;
709 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
711 unsupported_languages="$unsupported_languages fortran"
712 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
717 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
720 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
723 noconfigdirs="$noconfigdirs ${libgcj} gdb"
725 ep9312-*-elf | ep9312-*-coff)
729 noconfigdirs="$noconfigdirs ${libgcj} gdb"
732 noconfigdirs="$noconfigdirs ${libgcj}"
735 noconfigdirs="$noconfigdirs ${libgcj}"
736 noconfigdirs="$noconfigdirs gprof"
739 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
742 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
744 hppa1.1-*-osf* | hppa1.1-*-bsd* )
746 hppa*64*-*-linux* | parisc*64*-*-linux*)
747 # In this case, it's because the hppa64-linux target is for
748 # the kernel only at this point and has no libc, and thus no
749 # headers, crt*.o, etc., all of which are needed by these.
750 noconfigdirs="$noconfigdirs target-zlib"
752 parisc*-*-linux* | hppa*-*-linux*)
758 noconfigdirs="$noconfigdirs ${libgcj}"
761 noconfigdirs="$noconfigdirs ld shellutils"
767 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
768 # build on HP-UX 10.20.
769 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
772 noconfigdirs="$noconfigdirs ${libgcj} gdb"
775 # No gdb support yet.
776 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
779 # No gdb or ld support yet.
780 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
783 # No gdb or ld support yet.
784 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
788 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
789 noconfigdirs="$noconfigdirs ${libgcj}"
792 i[[3456789]]86-*-linux*)
793 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
794 # not build java stuff by default.
797 noconfigdirs="$noconfigdirs ${libgcj}";;
800 # This section makes it possible to build newlib natively on linux.
801 # If we are using a cross compiler then don't configure newlib.
802 if test x${is_cross_compiler} != xno ; then
803 noconfigdirs="$noconfigdirs target-newlib"
805 noconfigdirs="$noconfigdirs target-libgloss"
806 # If we are not using a cross compiler, do configure newlib.
807 # Note however, that newlib will only be configured in this situation
808 # if the --with-newlib option has been given, because otherwise
809 # 'target-newlib' will appear in skipdirs.
811 i[[3456789]]86-w64-mingw*)
812 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
814 i[[3456789]]86-*-mingw*)
815 target_configdirs="$target_configdirs target-winsup"
816 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
819 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
822 target_configdirs="$target_configdirs target-libtermcap target-winsup"
823 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
824 # always build newlib if winsup directory is present.
825 if test -d "$srcdir/winsup/cygwin"; then
826 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
827 elif test -d "$srcdir/newlib"; then
828 echo "Warning: winsup/cygwin is missing so newlib can't be built."
831 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
832 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
835 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
837 i[[3456789]]86-*-sco3.2v5*)
838 # The linker does not yet know about weak symbols in COFF,
839 # and is not configured to handle mixed ELF and COFF.
840 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
842 i[[3456789]]86-*-sco*)
843 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
845 i[[3456789]]86-*-solaris2*)
846 noconfigdirs="$noconfigdirs target-libgloss"
848 i[[3456789]]86-*-sysv4*)
849 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
851 i[[3456789]]86-*-beos*)
852 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
854 i[[3456789]]86-*-rdos*)
855 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
858 noconfigdirs="$noconfigdirs ${libgcj}"
860 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
861 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
865 noconfigdirs="$noconfigdirs ${libgcj}"
868 noconfigdirs="$noconfigdirs ${libgcj}"
874 # The EPOC C++ environment does not support exceptions or rtti,
875 # and so building libstdc++-v3 tends not to always work.
876 noconfigdirs="$noconfigdirs target-libstdc++-v3"
879 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
880 unsupported_languages="$unsupported_languages fortran java"
883 noconfigdirs="$noconfigdirs ${libgcj}"
886 noconfigdirs="$noconfigdirs ${libgcj}"
889 noconfigdirs="$noconfigdirs sim"
892 # copied from rs6000-*-* entry
893 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
895 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
896 target_configdirs="$target_configdirs target-winsup"
897 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
898 # always build newlib.
899 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
901 # This is temporary until we can link against shared libraries
902 powerpcle-*-solaris*)
903 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
907 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
910 noconfigdirs="$noconfigdirs ${libgcj}"
913 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
917 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
920 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
923 noconfigdirs="$noconfigdirs gprof ${libgcj}"
926 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
929 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
932 skipdirs="$skipdirs target-libiberty"
933 noconfigdirs="$noconfigdirs ${libgcj}"
934 if test x$with_newlib = xyes; then
935 noconfigdirs="$noconfigdirs gprof"
940 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
943 # Linking libjava exceeds command-line length limits on at least
944 # IRIX 6.2, but not on IRIX 6.5.
945 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
946 # <oldham@codesourcery.com>
947 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
950 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
953 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
956 noconfigdirs="$noconfigdirs gprof ${libgcj}"
960 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
964 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
965 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
966 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
967 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
971 noconfigdirs="$noconfigdirs ${libgcj}" ;;
973 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
976 sparclet-*-aout* | sparc86x-*-*)
980 noconfigdirs="$noconfigdirs ${libgcj}"
983 noconfigdirs="$noconfigdirs ${libgcj}"
987 noconfigdirs="$noconfigdirs ${libgcj}"
991 noconfigdirs="$noconfigdirs ${libgcj}"
992 if test x${is_cross_compiler} != xno ; then
993 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
998 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
999 noconfigdirs="$noconfigdirs ${libgcj}"
1001 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
1004 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
1007 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
1010 noconfigdirs="$noconfigdirs ${libgcj}"
1013 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
1016 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1019 noconfigdirs="$noconfigdirs ${libgcj}"
1022 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
1024 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1025 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1028 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1031 noconfigdirs="$noconfigdirs ${libgcj}"
1035 # If we aren't building newlib, then don't build libgloss, since libgloss
1036 # depends upon some newlib header files.
1037 case "${noconfigdirs}" in
1038 *target-libgloss*) ;;
1039 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1042 # Work in distributions that contain no compiler tools, like Autoconf.
1044 host_makefile_frag=/dev/null
1045 if test -d ${srcdir}/config ; then
1048 # Avoid "too much defining" errors from HPUX compiler.
1049 tentative_cc="cc -Wp,-H256000"
1050 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1051 # If it's HP/UX ar, this should be harmless.
1055 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1058 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1059 # chokes on bfd, the compiler won't let you assign integers to enums, and
1060 # other problems. Defining CC to gcc is a questionable way to say "don't use
1061 # the apollo compiler" (the preferred version of GCC could be called cc,
1062 # or whatever), but I'm not sure leaving CC as cc is any better...
1063 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1064 # Used to have BISON=yacc.
1068 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1071 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1072 tentative_cc="cc -Xa"
1073 host_makefile_frag="config/mh-cxux"
1075 m88k-motorola-sysv*)
1078 tentative_cc="cc -Wf,-XNg1000"
1079 host_makefile_frag="config/mh-decstation"
1082 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1083 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1084 host_makefile_frag="config/mh-necv4"
1087 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1088 # environment. Also bump switch table size so that cp-parse will
1089 # compile. Bump string length limit so linker builds.
1090 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1093 host_makefile_frag="config/mh-sysv4"
1096 # This is for a MIPS running RISC/os 4.52C.
1098 # This is needed for GDB, but needs to be in the top-level make because
1099 # if a library is compiled with the bsd headers and gets linked with the
1100 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1101 # a different size).
1102 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1103 # known except to select the sysv environment. Could we use /proc instead?
1104 # These "sysv environments" and "bsd environments" often end up being a pain.
1106 # This is not part of CFLAGS because perhaps not all C compilers have this
1108 tentative_cc="cc -systype sysv"
1113 i[[3456789]]86-*-sysv5*)
1114 host_makefile_frag="config/mh-sysv5"
1116 i[[3456789]]86-*-dgux*)
1117 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1118 host_makefile_frag="config/mh-dgux386"
1120 i[[3456789]]86-ncr-sysv4.3*)
1121 # The MetaWare compiler will generate a copyright message unless you
1122 # turn it off by adding the -Hnocopyr flag.
1123 tentative_cc="cc -Hnocopyr"
1125 i[[3456789]]86-ncr-sysv4*)
1126 # for an NCR 3000 (i486/SVR4) system.
1127 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1128 # This compiler not only emits obnoxious copyright messages every time
1129 # you run it, but it chokes and dies on a whole bunch of GNU source
1130 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1131 tentative_cc="/usr/ccs/ATT/cc"
1132 host_makefile_frag="config/mh-ncr3000"
1134 i[[3456789]]86-*-sco3.2v5*)
1136 i[[3456789]]86-*-sco*)
1137 # The native C compiler botches some simple uses of const. Unfortunately,
1138 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1139 tentative_cc="cc -Dconst="
1140 host_makefile_frag="config/mh-sco"
1142 i[[3456789]]86-*-udk*)
1143 host_makefile_frag="config/mh-sysv5"
1145 i[[3456789]]86-*-solaris2*)
1146 host_makefile_frag="config/mh-sysv4"
1148 i[[3456789]]86-*-msdosdjgpp*)
1149 host_makefile_frag="config/mh-djgpp"
1152 ACX_CHECK_CYGWIN_CAT_WORKS
1153 host_makefile_frag="config/mh-cygwin"
1156 host_makefile_frag="config/mh-mingw"
1159 host_makefile_frag="config/mh-interix"
1162 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1166 host_makefile_frag="config/mh-solaris"
1169 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1170 # without overflowing the jump tables (-J says to use a 32 bit table)
1171 tentative_cc="cc -J"
1174 tentative_cc="cc -Wp,-H256000"
1175 host_makefile_frag="config/mh-pa-hpux10"
1177 hppa*-hp-hpux* | hppa*-*-hiux*)
1178 tentative_cc="cc -Wp,-H256000"
1179 host_makefile_frag="config/mh-pa"
1182 host_makefile_frag="config/mh-pa"
1184 *-hp-hpux* | *-*-hiux*)
1185 tentative_cc="cc -Wp,-H256000"
1188 # /bin/cc is less than useful for our purposes. Always use GCC
1189 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1190 host_makefile_frag="config/mh-lynxrs6k"
1193 host_makefile_frag="config/mh-darwin"
1196 host_makefile_frag="config/mh-ppc-aix"
1199 host_makefile_frag="config/mh-ppc-aix"
1202 # /bin/cc is less than useful for our purposes. Always use GCC
1203 tentative_cc="/bin/gcc"
1206 host_makefile_frag="config/mh-sysv4"
1208 # This is placed last to prevent interfering with the cases above.
1210 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1211 host_makefile_frag="config/mh-x86omitfp"
1216 # If we aren't going to be using gcc, see if we can extract a definition
1217 # of CC from the fragment.
1218 # Actually, use the 'pre-extracted' version above.
1219 if test -z "${CC}" && test "${build}" = "${host}" ; then
1220 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1222 for dir in $PATH; do
1223 test -z "$dir" && dir=.
1224 if test -f $dir/gcc; then
1230 if test -z "${found}" && test -n "${tentative_cc}" ; then
1235 if test "${build}" != "${host}" ; then
1236 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1237 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1238 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1239 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1240 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1241 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1242 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1243 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1244 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1245 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1246 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1247 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1248 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1250 AR_FOR_BUILD="\$(AR)"
1251 AS_FOR_BUILD="\$(AS)"
1252 CC_FOR_BUILD="\$(CC)"
1253 CXX_FOR_BUILD="\$(CXX)"
1254 GCJ_FOR_BUILD="\$(GCJ)"
1255 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1256 GOC_FOR_BUILD="\$(GOC)"
1257 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1258 LD_FOR_BUILD="\$(LD)"
1259 NM_FOR_BUILD="\$(NM)"
1260 RANLIB_FOR_BUILD="\$(RANLIB)"
1261 WINDRES_FOR_BUILD="\$(WINDRES)"
1262 WINDMC_FOR_BUILD="\$(WINDMC)"
1268 # We must set the default linker to the linker used by gcc for the correct
1269 # operation of libtool. If LD is not defined and we are using gcc, try to
1270 # set the LD default to the ld used by gcc.
1271 if test -z "$LD"; then
1272 if test "$GCC" = yes; then
1275 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1277 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1279 case $gcc_prog_ld in
1280 # Accept absolute paths.
1281 [[\\/]* | [A-Za-z]:[\\/]*)]
1282 LD="$gcc_prog_ld" ;;
1288 ACX_PROG_CMP_IGNORE_INITIAL
1290 # See if we are building gcc with C++.
1291 AC_ARG_ENABLE(build-with-cxx,
1292 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1293 ENABLE_BUILD_WITH_CXX=$enableval,
1294 ENABLE_BUILD_WITH_CXX=no)
1296 # Used for setting $lt_cv_objdir
1299 # Check for GMP, MPFR and MPC
1300 gmplibs="-lmpc -lmpfr -lgmp"
1304 # Specify a location for mpc
1305 # check for this first so it ends up on the link line before mpfr.
1306 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1307 Equivalent to --with-mpc-include=PATH/include
1308 plus --with-mpc-lib=PATH/lib])
1309 AC_ARG_WITH(mpc-include, [ --with-mpc-include=PATH
1310 specify directory for installed MPC include files])
1311 AC_ARG_WITH(mpc-lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1313 if test "x$with_mpc" != x; then
1314 gmplibs="-L$with_mpc/lib $gmplibs"
1315 gmpinc="-I$with_mpc/include $gmpinc"
1317 if test "x$with_mpc_include" != x; then
1318 gmpinc="-I$with_mpc_include $gmpinc"
1320 if test "x$with_mpc_lib" != x; then
1321 gmplibs="-L$with_mpc_lib $gmplibs"
1323 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1324 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1325 gmpinc='-I$$s/mpc/src '"$gmpinc"
1326 # Do not test the mpc version. Assume that it is sufficient, since
1327 # it is in the source tree, and the library has not been built yet
1328 # but it would be included on the link line in the version check below
1329 # hence making the test fail.
1333 # Specify a location for mpfr
1334 # check for this first so it ends up on the link line before gmp.
1335 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1336 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1337 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1339 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1340 Equivalent to --with-mpfr-include=PATH/include
1341 plus --with-mpfr-lib=PATH/lib])
1342 AC_ARG_WITH(mpfr-include, [ --with-mpfr-include=PATH
1343 specify directory for installed MPFR include files])
1344 AC_ARG_WITH(mpfr-lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1346 if test "x$with_mpfr" != x; then
1347 gmplibs="-L$with_mpfr/lib $gmplibs"
1348 gmpinc="-I$with_mpfr/include $gmpinc"
1350 if test "x$with_mpfr_include" != x; then
1351 gmpinc="-I$with_mpfr_include $gmpinc"
1353 if test "x$with_mpfr_lib" != x; then
1354 gmplibs="-L$with_mpfr_lib $gmplibs"
1356 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1357 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1358 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1359 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1360 # Do not test the mpfr version. Assume that it is sufficient, since
1361 # it is in the source tree, and the library has not been built yet
1362 # but it would be included on the link line in the version check below
1363 # hence making the test fail.
1367 # Specify a location for gmp
1368 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1369 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1370 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1372 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1373 Equivalent to --with-gmp-include=PATH/include
1374 plus --with-gmp-lib=PATH/lib])
1375 AC_ARG_WITH(gmp-include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1376 AC_ARG_WITH(gmp-lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1379 if test "x$with_gmp" != x; then
1380 gmplibs="-L$with_gmp/lib $gmplibs"
1381 gmpinc="-I$with_gmp/include $gmpinc"
1383 if test "x$with_gmp_include" != x; then
1384 gmpinc="-I$with_gmp_include $gmpinc"
1386 if test "x$with_gmp_lib" != x; then
1387 gmplibs="-L$with_gmp_lib $gmplibs"
1389 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1390 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1391 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1392 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1393 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1394 # Do not test the gmp version. Assume that it is sufficient, since
1395 # it is in the source tree, and the library has not been built yet
1396 # but it would be included on the link line in the version check below
1397 # hence making the test fail.
1401 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1403 saved_CFLAGS="$CFLAGS"
1404 CFLAGS="$CFLAGS $gmpinc"
1405 # Check for the recommended and required versions of GMP.
1406 AC_MSG_CHECKING([for the correct version of gmp.h])
1407 AC_TRY_COMPILE([#include "gmp.h"],[
1408 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1409 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1410 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1413 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1414 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1415 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1416 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1419 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1420 [AC_MSG_RESULT([no]); have_gmp=no])
1422 # If we have GMP, check the MPFR version.
1423 if test x"$have_gmp" = xyes; then
1424 # Check for the recommended and required versions of MPFR.
1425 AC_MSG_CHECKING([for the correct version of mpfr.h])
1426 AC_TRY_COMPILE([#include <gmp.h>
1427 #include <mpfr.h>],[
1428 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1431 ], [AC_TRY_COMPILE([#include <gmp.h>
1432 #include <mpfr.h>],[
1433 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1436 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1437 [AC_MSG_RESULT([no]); have_gmp=no])
1440 # Check for the MPC header version.
1441 if test x"$have_gmp" = xyes ; then
1442 # Check for the recommended and required versions of MPC.
1443 AC_MSG_CHECKING([for the correct version of mpc.h])
1444 AC_TRY_COMPILE([#include <mpc.h>],[
1445 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1448 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1449 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1452 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1453 [AC_MSG_RESULT([no]); have_gmp=no])
1456 # Now check the MPFR library.
1457 if test x"$have_gmp" = xyes; then
1459 LIBS="$LIBS $gmplibs"
1460 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1461 AC_TRY_LINK([#include <mpc.h>],[
1468 mpfr_atan2 (n, n, x, GMP_RNDN);
1469 mpfr_erfc (n, x, GMP_RNDN);
1470 mpfr_subnormalize (x, t, GMP_RNDN);
1474 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1475 mpc_cosh (c, c, MPC_RNDNN);
1476 mpc_pow (c, c, c, MPC_RNDNN);
1477 mpc_acosh (c, c, MPC_RNDNN);
1479 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1483 CFLAGS="$saved_CFLAGS"
1485 # The library versions listed in the error message below should match
1486 # the HARD-minimums enforced above.
1487 if test x$have_gmp != xyes; then
1488 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1489 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1490 their locations. Source code for these libraries can be found at
1491 their respective hosting sites as well as at
1492 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1493 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1494 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1495 make sure that you have installed both the libraries and the header
1496 files. They may be located in separate packages.])
1500 # Flags needed for both GMP, MPFR and/or MPC.
1503 AC_SUBST(extra_mpfr_configure_flags)
1504 AC_SUBST(extra_mpc_gmp_configure_flags)
1505 AC_SUBST(extra_mpc_mpfr_configure_flags)
1507 # Allow host libstdc++ to be specified for static linking with PPL.
1508 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1509 when linking with PPL])
1511 case $with_host_libstdcxx in
1513 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1517 # Linker flags to use for stage1 or when not boostrapping.
1518 AC_ARG_WITH(stage1-ldflags,
1519 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1520 [if test "$withval" = "no" -o "$withval" = "yes"; then
1523 stage1_ldflags=$withval
1526 AC_SUBST(stage1_ldflags)
1528 # Libraries to use for stage1 or when not bootstrapping.
1529 AC_ARG_WITH(stage1-libs,
1530 [ -with-stage1-libs=LIBS Libraries for stage1],
1531 [if test "$withval" = "no" -o "$withval" = "yes"; then
1534 stage1_libs=$withval
1536 [stage1_libs=$with_host_libstdcxx])
1537 AC_SUBST(stage1_libs)
1539 # Libraries to use for stage2 and later builds. This defaults to the
1540 # argument passed to --with-host-libstdcxx.
1541 AC_ARG_WITH(boot-libs,
1542 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1543 [if test "$withval" = "no" -o "$withval" = "yes"; then
1546 poststage1_libs=$withval
1548 [poststage1_libs=$with_host_libstdcxx])
1549 AC_SUBST(poststage1_libs)
1551 # Linker flags to use for stage2 and later builds.
1552 AC_ARG_WITH(boot-ldflags,
1553 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1554 [if test "$withval" = "no" -o "$withval" = "yes"; then
1557 poststage1_ldflags=$withval
1559 [poststage1_ldflags=
1560 # With --enable-build-with-cxx, default to linking libstdc++ and
1561 # libgcc statically. But if the user explicitly specified the
1562 # libraries to use, trust that they are doing what they want.
1563 if test "$ENABLE_BUILD_WITH_CXX" = "yes" -a "$poststage1_libs" = ""; then
1564 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1566 AC_SUBST(poststage1_ldflags)
1569 ppllibs=" -lppl_c -lppl -lgmpxx"
1572 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1573 Equivalent to --with-ppl-include=PATH/include
1574 plus --with-ppl-lib=PATH/lib])
1575 AC_ARG_WITH(ppl-include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1576 AC_ARG_WITH(ppl-lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1585 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1586 pplinc="-I$with_ppl/include $pplinc"
1589 if test "x$with_ppl_include" != x; then
1590 pplinc="-I$with_ppl_include $pplinc"
1592 if test "x$with_ppl_lib" != x; then
1593 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1595 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1596 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"' -lppl_c -lppl -lgmpxx '
1597 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1598 enable_ppl_version_check=no
1601 AC_ARG_ENABLE(ppl-version-check,
1602 [ --disable-ppl-version-check disable check for PPL version],
1603 ENABLE_PPL_CHECK=$enableval,
1604 ENABLE_PPL_CHECK=yes)
1606 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
1607 saved_CFLAGS="$CFLAGS"
1608 CFLAGS="$CFLAGS $pplinc $gmpinc"
1609 AC_MSG_CHECKING([for version 0.10 (or later revision) of PPL])
1610 AC_TRY_COMPILE([#include "ppl_c.h"],[
1611 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10
1614 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1615 CFLAGS="$saved_CFLAGS"
1618 # Flags needed for PPL
1625 dnl Provide configure switches and initialize clooginc & clooglibs
1626 dnl with user input.
1628 if test "x$with_ppl" = "xno"; then
1631 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1632 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1633 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1634 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1636 if test "x$with_cloog" != "xno"; then
1637 dnl Version check for CLooG-Org
1638 dnl As long as there is no new release of CLooG,
1639 dnl we will check for 0.14.0.
1641 dnl The first git revision that will work with
1642 dnl GCC is: bd91b845a65805c290d43fc1bef8139864a163fb
1643 dnl This is enforced implictly, as this is the commit that
1644 dnl introduced the versioning information used within our
1647 dnl If we're using CLooG-Legacy, the provided version information
1648 dnl will be ignored.
1649 CLOOG_CHECK_VERSION(0,14,0)
1651 dnl Only execute fail-action, if CLooG has been
1654 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1657 # Check for LTO support.
1659 [ --enable-lto enable link time optimization support],
1660 enable_lto=$enableval,
1661 enable_lto=yes; default_enable_lto=yes)
1663 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1664 build_lto_plugin=yes
1665 ],[if test x"$default_enable_lto" = x"yes" ; then
1667 *-apple-darwin* | *-cygwin* | *-mingw*) ;;
1668 # On other non-ELF platforms, LTO has yet to be validated.
1672 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1673 # It would also be nice to check the binutils support, but we don't
1674 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1675 # warn during gcc/ subconfigure; unless you're bootstrapping with
1676 # -flto it won't be needed until after installation anyway.
1678 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1679 *) if test x"$enable_lto" = x"yes"; then
1680 AC_MSG_ERROR([LTO support is not enabled for this target.])
1685 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1686 # Build it unless LTO was explicitly disabled.
1688 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1694 # By default, C is the only stage 1 language.
1695 stage1_languages=,c,
1697 # Target libraries that we bootstrap.
1698 bootstrap_target_libs=,target-libgcc,
1700 # Figure out what language subdirectories are present.
1701 # Look if the user specified --enable-languages="..."; if not, use
1702 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1704 # NB: embedded tabs in this IF block -- do not untabify
1705 if test -d ${srcdir}/gcc; then
1706 if test x"${enable_languages+set}" != xset; then
1707 if test x"${LANGUAGES+set}" = xset; then
1708 enable_languages="${LANGUAGES}"
1709 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1711 enable_languages=all
1714 if test x"${enable_languages}" = x ||
1715 test x"${enable_languages}" = xyes;
1717 echo configure.in: --enable-languages needs at least one language argument 1>&2
1721 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1723 # 'f95' is the old name for the 'fortran' language. We issue a warning
1724 # and make the substitution.
1725 case ,${enable_languages}, in
1727 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1728 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1732 # First scan to see if an enabled language requires some other language.
1733 # We assume that a given config-lang.in will list all the language
1734 # front ends it requires, even if some are required indirectly.
1735 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1736 case ${lang_frag} in
1738 # The odd quoting in the next line works around
1739 # an apparent bug in bash 1.12 on linux.
1740 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1742 # From the config-lang.in, get $language, $lang_requires, and
1743 # $lang_requires_boot_languages.
1746 lang_requires_boot_languages=
1748 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1749 case ,${enable_languages}, in
1753 echo " \`$other' language required by \`$language'; enabling" 1>&2
1754 enable_languages="${enable_languages},${other}"
1758 for other in ${lang_requires_boot_languages} ; do
1759 if test "$other" != "c"; then
1760 case ,${enable_stage1_languages}, in
1764 case ,${enable_languages}, in
1766 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1767 enable_stage1_languages="$enable_stage1_languages,${other}"
1778 new_enable_languages=,c,
1780 # If LTO is enabled, add the LTO front end.
1781 extra_host_libiberty_configure_flags=
1782 if test "$enable_lto" = "yes" ; then
1783 case ,${enable_languages}, in
1785 *) enable_languages="${enable_languages},lto" ;;
1787 if test "${build_lto_plugin}" = "yes" ; then
1788 configdirs="$configdirs lto-plugin"
1789 extra_host_libiberty_configure_flags=--enable-shared
1792 AC_SUBST(extra_host_libiberty_configure_flags)
1794 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1795 potential_languages=,c,
1797 enabled_target_libs=
1798 disabled_target_libs=
1800 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1801 case ${lang_frag} in
1803 # The odd quoting in the next line works around
1804 # an apparent bug in bash 1.12 on linux.
1805 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1807 # From the config-lang.in, get $language, $target_libs,
1808 # $lang_dirs, $boot_language, and $build_by_default
1814 build_by_default=yes
1816 if test x${language} = x; then
1817 echo "${lang_frag} doesn't set \$language." 1>&2
1821 if test "$language" = "c++" \
1822 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1826 case ,${enable_languages}, in
1828 # Language was explicitly selected; include it.
1832 # 'all' was selected, select it if it is a default language
1833 add_this_lang=${build_by_default}
1840 # Disable languages that need other directories if these aren't available.
1841 for i in $subdir_requires; do
1842 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1843 case ,${enable_languages}, in
1845 # Specifically requested language; tell them.
1846 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1850 add_this_lang=unsupported
1855 # Disable Ada if no preexisting GNAT is available.
1856 case ,${enable_languages},:${language}:${have_gnat} in
1857 *,${language},*:ada:no)
1858 # Specifically requested language; tell them.
1859 AC_MSG_ERROR([GNAT is required to build $language])
1863 add_this_lang=unsupported
1867 # Disable a language that is unsupported by the target.
1868 case " $unsupported_languages " in
1870 add_this_lang=unsupported
1874 case $add_this_lang in
1876 # Remove language-dependent dirs.
1877 disabled_target_libs="$disabled_target_libs $target_libs"
1878 noconfigdirs="$noconfigdirs $lang_dirs"
1881 # Remove language-dependent dirs; still show language as supported.
1882 disabled_target_libs="$disabled_target_libs $target_libs"
1883 noconfigdirs="$noconfigdirs $lang_dirs"
1884 potential_languages="${potential_languages}${language},"
1887 new_enable_languages="${new_enable_languages}${language},"
1888 potential_languages="${potential_languages}${language},"
1889 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1890 enabled_target_libs="$enabled_target_libs $target_libs"
1891 case "${boot_language}:,$enable_stage1_languages," in
1892 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1893 # Add to (comma-separated) list of stage 1 languages.
1894 case ",$stage1_languages," in
1895 *,$language,* | ,yes, | ,all,) ;;
1896 *) stage1_languages="${stage1_languages}${language}," ;;
1898 # We need to bootstrap any supporting libraries.
1899 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1908 # Add target libraries which are only needed for disabled languages
1910 if test -n "$disabled_target_libs"; then
1911 for dir in $disabled_target_libs; do
1912 case " $enabled_target_libs " in
1914 *) noconfigdirs="$noconfigdirs $dir" ;;
1919 AC_ARG_ENABLE(stage1-languages,
1920 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1921 stage1. Mostly useful for compiler development.],
1922 [case ,${enable_stage1_languages}, in
1924 # Set it to something that will have no effect in the loop below
1925 enable_stage1_languages=c ;;
1927 enable_stage1_languages=`echo $new_enable_languages | \
1928 sed -e "s/^,//" -e "s/,$//" ` ;;
1930 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1931 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1934 # Add "good" languages from enable_stage1_languages to stage1_languages,
1935 # while "bad" languages go in missing_languages. Leave no duplicates.
1936 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1937 case $potential_languages in
1939 case $stage1_languages in
1941 *) stage1_languages="$stage1_languages$i," ;;
1944 case $missing_languages in
1946 *) missing_languages="$missing_languages$i," ;;
1951 # Remove leading/trailing commas that were added for simplicity
1952 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1953 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1954 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1955 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1957 if test "x$missing_languages" != x; then
1959 The following requested languages could not be built: ${missing_languages}
1960 Supported languages are: ${potential_languages}])
1962 if test "x$new_enable_languages" != "x$enable_languages"; then
1963 echo The following languages will be built: ${new_enable_languages}
1964 enable_languages="$new_enable_languages"
1967 AC_SUBST(stage1_languages)
1968 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1971 # Handle --disable-<component> generically.
1972 for dir in $configdirs $build_configdirs $target_configdirs ; do
1973 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1974 varname=`echo $dirname | sed -e s/+/_/g`
1975 if eval test x\${enable_${varname}} "=" xno ; then
1976 noconfigdirs="$noconfigdirs $dir"
1980 # Check for Boehm's garbage collector
1981 AC_ARG_ENABLE(objc-gc,
1982 [ --enable-objc-gc enable use of Boehm's garbage collector with the
1983 GNU Objective-C runtime],
1984 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1985 *,objc,*:*:yes:*target-boehm-gc*)
1986 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1990 # Make sure we only build Boehm's garbage collector if required.
1991 case ,${enable_languages},:${enable_objc_gc} in
1993 # Keep target-boehm-gc if requested for Objective-C.
1996 # Otherwise remove target-boehm-gc depending on target-libjava.
1997 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1998 noconfigdirs="$noconfigdirs target-boehm-gc"
2003 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2004 # $build_configdirs and $target_configdirs.
2005 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2008 for dir in . $skipdirs $noconfigdirs ; do
2009 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2010 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2011 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2012 if test -r $srcdir/$dirname/configure ; then
2013 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2016 notsupp="$notsupp $dir"
2020 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2021 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2022 if test -r $srcdir/$dirname/configure ; then
2023 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2026 notsupp="$notsupp $dir"
2030 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2031 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2032 if test -r $srcdir/$dirname/configure ; then
2033 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2036 notsupp="$notsupp $dir"
2042 # Sometimes the tools are distributed with libiberty but with no other
2043 # libraries. In that case, we don't want to build target-libiberty.
2044 # Don't let libgcc imply libiberty either.
2045 if test -n "${target_configdirs}" ; then
2048 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2049 if test "$i" = "libgcc"; then
2050 libgcc=target-libgcc
2051 elif test "$i" != "libiberty" ; then
2052 if test -r $srcdir/$i/configure ; then
2058 if test -z "${others}" ; then
2059 target_configdirs=$libgcc
2063 # Quietly strip out all directories which aren't configurable in this tree.
2064 # This relies on all configurable subdirectories being autoconfiscated, which
2066 build_configdirs_all="$build_configdirs"
2068 for i in ${build_configdirs_all} ; do
2069 j=`echo $i | sed -e s/build-//g`
2070 if test -f ${srcdir}/$j/configure ; then
2071 build_configdirs="${build_configdirs} $i"
2075 configdirs_all="$configdirs"
2077 for i in ${configdirs_all} ; do
2078 if test -f ${srcdir}/$i/configure ; then
2079 configdirs="${configdirs} $i"
2083 target_configdirs_all="$target_configdirs"
2085 for i in ${target_configdirs_all} ; do
2086 j=`echo $i | sed -e s/target-//g`
2087 if test -f ${srcdir}/$j/configure ; then
2088 target_configdirs="${target_configdirs} $i"
2092 # Produce a warning message for the subdirs we can't configure.
2093 # This isn't especially interesting in the Cygnus tree, but in the individual
2094 # FSF releases, it's important to let people know when their machine isn't
2095 # supported by the one or two programs in a package.
2097 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2098 # If $appdirs is non-empty, at least one of those directories must still
2099 # be configured, or we error out. (E.g., if the gas release supports a
2100 # specified target in some subdirs but not the gas subdir, we shouldn't
2101 # pretend that all is well.)
2102 if test -n "$appdirs" ; then
2103 for dir in $appdirs ; do
2104 if test -r $dir/Makefile.in ; then
2105 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2109 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2115 if test -n "$appdirs" ; then
2116 echo "*** This configuration is not supported by this package." 1>&2
2120 # Okay, some application will build, or we don't care to check. Still
2121 # notify of subdirs not getting built.
2122 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2123 echo " ${notsupp}" 1>&2
2124 echo " (Any other directories should still work fine.)" 1>&2
2132 # To find our prefix, in gcc_cv_tool_prefix.
2137 AC_ARG_WITH([build-sysroot],
2138 [ --with-build-sysroot=SYSROOT
2139 use sysroot as the system root during the build],
2140 [if test x"$withval" != x ; then
2141 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2143 [SYSROOT_CFLAGS_FOR_TARGET=])
2144 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2146 AC_ARG_WITH([debug-prefix-map],
2147 [ --with-debug-prefix-map='A=B C=D ...'
2148 map A to B, C to D ... in debug information],
2149 [if test x"$withval" != x; then
2150 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2151 for debug_map in $withval; do
2152 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2155 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2156 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2158 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2159 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2160 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2161 # We want to ensure that TARGET libraries (which we know are built with
2162 # gcc) are built with "-O2 -g", so include those options when setting
2163 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2164 if test "x$CFLAGS_FOR_TARGET" = x; then
2165 CFLAGS_FOR_TARGET=$CFLAGS
2168 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2171 *" -g "* | *" -g3 "*) ;;
2172 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2175 AC_SUBST(CFLAGS_FOR_TARGET)
2177 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2178 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2179 case " $CXXFLAGS " in
2181 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2183 case " $CXXFLAGS " in
2184 *" -g "* | *" -g3 "*) ;;
2185 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2188 AC_SUBST(CXXFLAGS_FOR_TARGET)
2190 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2191 # the named directory are copied to $(tooldir)/sys-include.
2192 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2193 if test x${is_cross_compiler} = xno ; then
2194 echo 1>&2 '***' --with-headers is only supported when cross compiling
2197 if test x"${with_headers}" != xyes ; then
2198 x=${gcc_cv_tool_prefix}
2199 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2203 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2204 # the name directories are copied to $(tooldir)/lib. Multiple directories
2206 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2207 if test x${is_cross_compiler} = xno ; then
2208 echo 1>&2 '***' --with-libs is only supported when cross compiling
2211 if test x"${with_libs}" != xyes ; then
2212 # Copy the libraries in reverse order, so that files in the first named
2213 # library override files in subsequent libraries.
2214 x=${gcc_cv_tool_prefix}
2215 for l in ${with_libs}; do
2216 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2221 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2223 # This is done by determining whether or not the appropriate directory
2224 # is available, and by checking whether or not specific configurations
2225 # have requested that this magic not happen.
2227 # The command line options always override the explicit settings in
2228 # configure.in, and the settings in configure.in override this magic.
2230 # If the default for a toolchain is to use GNU as and ld, and you don't
2231 # want to do that, then you should use the --without-gnu-as and
2232 # --without-gnu-ld options for the configure script. Similarly, if
2233 # the default is to use the included zlib and you don't want to do that,
2234 # you should use the --with-system-zlib option for the configure script.
2236 if test x${use_gnu_as} = x &&
2237 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2239 extra_host_args="$extra_host_args --with-gnu-as"
2242 if test x${use_gnu_ld} = x &&
2243 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2245 extra_host_args="$extra_host_args --with-gnu-ld"
2248 if test x${use_included_zlib} = x &&
2249 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2252 with_system_zlib=yes
2253 extra_host_args="$extra_host_args --with-system-zlib"
2256 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2257 # can detect this case.
2259 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2261 extra_host_args="$extra_host_args --with-newlib"
2264 # Handle ${copy_dirs}
2265 set fnord ${copy_dirs}
2267 while test $# != 0 ; do
2268 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2271 echo Copying $1 to $2
2273 # Use the install script to create the directory and all required
2274 # parent directories.
2275 if test -d $2 ; then
2279 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2282 # Copy the directory, assuming we have tar.
2283 # FIXME: Should we use B in the second tar? Not all systems support it.
2284 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2286 # It is the responsibility of the user to correctly adjust all
2287 # symlinks. If somebody can figure out how to handle them correctly
2288 # here, feel free to add the code.
2295 # Determine a target-dependent exec_prefix that the installed
2296 # gcc will search in. Keep this list sorted by triplet, with
2297 # the *-*-osname triplets last.
2301 md_exec_prefix=/gnu/lib/gcc-lib
2303 i[[34567]]86-pc-msdosdjgpp*)
2304 md_exec_prefix=/dev/env/DJDIR/bin
2306 i[[34567]]86-*-sco3.2v5*)
2307 if test $with_gnu_as = yes; then
2308 md_exec_prefix=/usr/gnu/bin
2310 md_exec_prefix=/usr/ccs/bin/elf
2315 powerpc-*-chorusos* | \
2316 powerpc*-*-eabi* | \
2317 powerpc*-*-sysv* | \
2318 powerpc*-*-kaos* | \
2320 md_exec_prefix=/usr/ccs/bin
2325 md_exec_prefix=/usr/ccs/bin
2340 md_exec_prefix=/usr/ccs/bin
2344 extra_arflags_for_target=
2345 extra_nmflags_for_target=
2346 extra_ranlibflags_for_target=
2347 target_makefile_frag=/dev/null
2350 target_makefile_frag="config/mt-mep"
2353 target_makefile_frag="config/mt-spu"
2356 target_makefile_frag="config/mt-sde"
2358 mipsisa*-*-elfoabi*)
2359 target_makefile_frag="config/mt-mips-elfoabi"
2361 mips*-*-*linux* | mips*-*-gnu*)
2362 target_makefile_frag="config/mt-mips-gnu"
2365 target_makefile_frag="config/mt-netware"
2367 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2368 target_makefile_frag="config/mt-gnu"
2370 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2371 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2372 # commands to handle both 32-bit and 64-bit objects. These flags are
2373 # harmless if we're using GNU nm or ar.
2374 extra_arflags_for_target=" -X32_64"
2375 extra_nmflags_for_target=" -B -X32_64"
2378 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2379 extra_ranlibflags_for_target=" -c"
2381 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2382 target_makefile_frag="config/mt-wince"
2386 alphaieee_frag=/dev/null
2389 # This just makes sure to use the -mieee option to build target libs.
2390 # This should probably be set individually by each library.
2391 alphaieee_frag="config/mt-alphaieee"
2395 # If --enable-target-optspace always use -Os instead of -O2 to build
2396 # the target libraries, similarly if it is not specified, use -Os
2397 # on selected platforms.
2398 ospace_frag=/dev/null
2399 case "${enable_target_optspace}:${target}" in
2401 ospace_frag="config/mt-ospace"
2404 ospace_frag="config/mt-d30v"
2406 :m32r-* | :d10v-* | :fr30-*)
2407 ospace_frag="config/mt-ospace"
2412 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2416 # Default to using --with-stabs for certain targets.
2417 if test x${with_stabs} = x ; then
2419 mips*-*-irix[[56]]*)
2421 mips*-*-* | alpha*-*-osf*)
2423 extra_host_args="${extra_host_args} --with-stabs"
2428 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2429 # them automatically.
2432 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2436 # Some systems (e.g., one of the i386-aix systems the gas testers are
2437 # using) don't handle "\$" correctly, so don't use it here.
2438 tooldir='${exec_prefix}'/${target_noncanonical}
2439 build_tooldir=${tooldir}
2441 # Create a .gdbinit file which runs the one in srcdir
2442 # and tells GDB to look there for source files.
2444 if test -r ${srcdir}/.gdbinit ; then
2447 *) cat > ./.gdbinit <<EOF
2451 source ${srcdir}/.gdbinit
2457 # Make sure that the compiler is able to generate an executable. If it
2458 # can't, we are probably in trouble. We don't care whether we can run the
2459 # executable--we might be using a cross compiler--we only care whether it
2460 # can be created. At this point the main configure script has set CC.
2462 echo "int main () { return 0; }" > conftest.c
2463 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2464 if test $? = 0 ; then
2465 if test -s conftest || test -s conftest.exe ; then
2471 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2472 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2479 # The Solaris /usr/ucb/cc compiler does not appear to work.
2481 sparc-sun-solaris2*)
2482 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2483 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2485 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2486 if test -d /opt/cygnus/bin ; then
2487 if test "$could_use" = "" ; then
2488 could_use="/opt/cygnus/bin"
2490 could_use="$could_use or /opt/cygnus/bin"
2493 if test "$could_use" = "" ; then
2494 echo "Warning: compilation may fail because you're using"
2495 echo "/usr/ucb/cc. You should change your PATH or CC "
2496 echo "variable and rerun configure."
2498 echo "Warning: compilation may fail because you're using"
2499 echo "/usr/ucb/cc, when you should use the C compiler from"
2500 echo "$could_use. You should change your"
2501 echo "PATH or CC variable and rerun configure."
2507 # Decide which environment variable is used to find dynamic libraries.
2509 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2510 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2511 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2512 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2515 # On systems where the dynamic library environment variable is PATH,
2516 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2517 # built executables to PATH.
2518 if test "$RPATH_ENVVAR" = PATH; then
2519 GCC_SHLIB_SUBDIR=/shlib
2524 # Record target_configdirs and the configure arguments for target and
2525 # build configuration in Makefile.
2526 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2527 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2529 # If we are building libgomp, bootstrap it.
2530 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2531 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2534 # Determine whether gdb needs tk/tcl or not.
2535 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2536 # and in that case we want gdb to be built without tk. Ugh!
2537 # In fact I believe gdb is the *only* package directly dependent on tk,
2538 # so we should be able to put the 'maybe's in unconditionally and
2539 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2540 # 100% sure that that's safe though.
2542 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2543 case "$enable_gdbtk" in
2547 GDB_TK="${gdb_tk}" ;;
2549 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2550 # distro. Eventually someone will fix this and move Insight, nee
2551 # gdbtk to a separate directory.
2552 if test -d ${srcdir}/gdb/gdbtk ; then
2559 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2560 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2562 # Strip out unwanted targets.
2564 # While at that, we remove Makefiles if we were started for recursive
2565 # configuration, so that the top-level Makefile reconfigures them,
2566 # like we used to do when configure itself was recursive.
2568 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2569 # but now we're fixing up the Makefile ourselves with the additional
2570 # commands passed to AC_CONFIG_FILES. Use separate variables
2571 # extrasub-{build,host,target} not because there is any reason to split
2572 # the substitutions up that way, but only to remain below the limit of
2573 # 99 commands in a script, for HP-UX sed.
2574 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2576 AC_ARG_ENABLE([bootstrap],
2577 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2578 enable_bootstrap=default)
2580 # Issue errors and warnings for invalid/strange bootstrap combinations.
2581 case "$configdirs" in
2582 *gcc*) have_compiler=yes ;;
2583 *) have_compiler=no ;;
2586 case "$have_compiler:$host:$target:$enable_bootstrap" in
2589 # Default behavior. Enable bootstrap if we have a compiler
2590 # and we are in a native configuration.
2591 yes:$build:$build:default)
2592 enable_bootstrap=yes ;;
2595 enable_bootstrap=no ;;
2597 # We have a compiler and we are in a native configuration, bootstrap is ok
2598 yes:$build:$build:yes)
2601 # Other configurations, but we have a compiler. Assume the user knows
2604 AC_MSG_WARN([trying to bootstrap a cross compiler])
2607 # No compiler: if they passed --enable-bootstrap explicitly, fail
2609 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2611 # Fail if wrong command line
2613 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2617 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2620 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2624 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2625 yes:yes:*\ gold\ *:*,c++,*) ;;
2626 yes:yes:*\ gold\ *:*)
2627 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2631 # Adjust the toplevel makefile according to whether bootstrap was selected.
2632 case $enable_bootstrap in
2634 bootstrap_suffix=bootstrap
2635 BUILD_CONFIG=bootstrap-debug
2638 bootstrap_suffix=no-bootstrap
2643 AC_MSG_CHECKING(for default BUILD_CONFIG)
2645 AC_ARG_WITH([build-config],
2646 [--with-build-config='NAME NAME2...'
2647 Use config/NAME.mk build configuration],
2648 [case $with_build_config in
2649 yes) with_build_config= ;;
2650 no) with_build_config= BUILD_CONFIG= ;;
2653 if test "x${with_build_config}" != x; then
2654 BUILD_CONFIG=$with_build_config
2656 case $BUILD_CONFIG in
2658 if echo "int f (void) { return 0; }" > conftest.c &&
2659 ${CC} -c conftest.c &&
2660 mv conftest.o conftest.o.g0 &&
2661 ${CC} -c -g conftest.c &&
2662 mv conftest.o conftest.o.g &&
2663 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2668 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2672 AC_MSG_RESULT($BUILD_CONFIG)
2673 AC_SUBST(BUILD_CONFIG)
2676 for module in ${build_configdirs} ; do
2677 if test -z "${no_recursion}" \
2678 && test -f ${build_subdir}/${module}/Makefile; then
2679 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2680 rm -f ${build_subdir}/${module}/Makefile
2682 extrasub_build="$extrasub_build
2683 /^@if build-$module\$/d
2684 /^@endif build-$module\$/d
2685 /^@if build-$module-$bootstrap_suffix\$/d
2686 /^@endif build-$module-$bootstrap_suffix\$/d"
2689 for module in ${configdirs} ; do
2690 if test -z "${no_recursion}"; then
2691 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2692 if test -f ${file}; then
2693 echo 1>&2 "*** removing ${file} to force reconfigure"
2698 extrasub_host="$extrasub_host
2700 /^@endif $module\$/d
2701 /^@if $module-$bootstrap_suffix\$/d
2702 /^@endif $module-$bootstrap_suffix\$/d"
2705 for module in ${target_configdirs} ; do
2706 if test -z "${no_recursion}" \
2707 && test -f ${target_subdir}/${module}/Makefile; then
2708 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2709 rm -f ${target_subdir}/${module}/Makefile
2712 # We only bootstrap target libraries listed in bootstrap_target_libs.
2713 case $bootstrap_target_libs in
2714 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2715 *) target_bootstrap_suffix=no-bootstrap ;;
2718 extrasub_target="$extrasub_target
2719 /^@if target-$module\$/d
2720 /^@endif target-$module\$/d
2721 /^@if target-$module-$target_bootstrap_suffix\$/d
2722 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2725 # Do the final fixup along with target modules.
2726 extrasub_target="$extrasub_target
2727 /^@if /,/^@endif /d"
2729 # Create the serialization dependencies. This uses a temporary file.
2731 AC_ARG_ENABLE([serial-configure],
2732 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2733 force sequential configuration of
2734 sub-packages for the host, target or build
2735 machine, or all sub-packages])
2737 case ${enable_serial_configure} in
2739 enable_serial_build_configure=yes
2740 enable_serial_host_configure=yes
2741 enable_serial_target_configure=yes
2745 # These force 'configure's to be done one at a time, to avoid problems
2746 # with contention over a shared config.cache.
2748 echo '# serdep.tmp' > serdep.tmp
2750 test "x${enable_serial_build_configure}" = xyes &&
2751 for item in ${build_configdirs} ; do
2754 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2759 test "x${enable_serial_host_configure}" = xyes &&
2760 for item in ${configdirs} ; do
2763 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2768 test "x${enable_serial_target_configure}" = xyes &&
2769 for item in ${target_configdirs} ; do
2772 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2776 serialization_dependencies=serdep.tmp
2777 AC_SUBST_FILE(serialization_dependencies)
2779 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2780 # target, nonopt, and variable assignments. These are the ones we
2781 # might not want to pass down to subconfigures. The exception being
2782 # --cache-file=/dev/null, which is used to turn off the use of cache
2783 # files altogether, and which should be passed on to subconfigures.
2784 # Also strip program-prefix, program-suffix, and program-transform-name,
2785 # so that we can pass down a consistent program-transform-name.
2789 eval "set -- $ac_configure_args"
2792 if test X"$skip_next" = X"yes"; then
2796 if test X"$keep_next" = X"yes"; then
2799 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2801 baseargs="$baseargs '$ac_arg'"
2806 # Handle separated arguments. Based on the logic generated by
2809 *=* | --config-cache | -C | -disable-* | --disable-* \
2810 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2811 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2812 | -with-* | --with-* | -without-* | --without-* | --x)
2824 --cache-file=/dev/null | \
2825 -cache-file=/dev/null )
2826 # Handled here to avoid the test to skip args below.
2827 baseargs="$baseargs '$ac_arg'"
2828 # Assert: $separate_arg should always be no.
2829 keep_next=$separate_arg
2845 -program-prefix* | \
2846 -program-suffix* | \
2847 -program-transform-name* )
2848 skip_next=$separate_arg
2852 # An option. Add it.
2855 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2857 baseargs="$baseargs '$ac_arg'"
2858 keep_next=$separate_arg
2861 # Either a variable assignment, or a nonopt (triplet). Don't
2862 # pass it down; let the Makefile handle this.
2867 # Remove the initial space we just introduced and, as these will be
2868 # expanded by make, quote '$'.
2869 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2871 # Add in --program-transform-name, after --program-prefix and
2872 # --program-suffix have been applied to it. Autoconf has already
2873 # doubled dollar signs and backslashes in program_transform_name; we want
2874 # the backslashes un-doubled, and then the entire thing wrapped in single
2875 # quotes, because this will be expanded first by make and then by the shell.
2876 # Also, because we want to override the logic in subdir configure scripts to
2877 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2878 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2879 ${program_transform_name}
2881 gcc_transform_name=`cat conftestsed.out`
2882 rm -f conftestsed.out
2883 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2884 if test "$silent" = yes; then
2885 baseargs="$baseargs --silent"
2887 baseargs="$baseargs --disable-option-checking"
2889 # Record and document user additions to sub configure arguments.
2890 AC_ARG_VAR([build_configargs],
2891 [additional configure arguments for build directories])
2892 AC_ARG_VAR([host_configargs],
2893 [additional configure arguments for host directories])
2894 AC_ARG_VAR([target_configargs],
2895 [additional configure arguments for target directories])
2897 # For the build-side libraries, we just need to pretend we're native,
2898 # and not use the same cache file. Multilibs are neither needed nor
2900 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2902 # For host modules, accept cache file option, or specification as blank.
2903 case "${cache_file}" in
2905 cache_file_option="" ;;
2906 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2907 cache_file_option="--cache-file=${cache_file}" ;;
2909 cache_file_option="--cache-file=../${cache_file}" ;;
2912 # Host dirs don't like to share a cache file either, horribly enough.
2913 # This seems to be due to autoconf 2.5x stupidity.
2914 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2916 target_configargs="$target_configargs ${baseargs}"
2918 # Passing a --with-cross-host argument lets the target libraries know
2919 # whether they are being built with a cross-compiler or being built
2920 # native. However, it would be better to use other mechanisms to make the
2921 # sorts of decisions they want to make on this basis. Please consider
2922 # this option to be deprecated. FIXME.
2923 if test x${is_cross_compiler} = xyes ; then
2924 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2927 # Default to --enable-multilib.
2928 if test x${enable_multilib} = x ; then
2929 target_configargs="--enable-multilib ${target_configargs}"
2932 # Pass --with-newlib if appropriate. Note that target_configdirs has
2933 # changed from the earlier setting of with_newlib.
2934 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2935 target_configargs="--with-newlib ${target_configargs}"
2938 # Different target subdirs use different values of certain variables
2939 # (notably CXX). Worse, multilibs use *lots* of different values.
2940 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2941 # it doesn't automatically accept command-line overrides of them.
2942 # This means it's not safe for target subdirs to share a cache file,
2943 # which is disgusting, but there you have it. Hopefully this can be
2944 # fixed in future. It's still worthwhile to use a cache file for each
2945 # directory. I think.
2947 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2948 # We need to pass --target, as newer autoconf's requires consistency
2949 # for target_alias and gcc doesn't manage it consistently.
2950 target_configargs="--cache-file=./config.cache ${target_configargs}"
2953 case " $target_configdirs " in
2955 case " $target_configargs " in
2956 *" --with-newlib "*)
2959 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 $$s/winsup/w32api/include'
2963 # If we're not building GCC, don't discard standard headers.
2964 if test -d ${srcdir}/gcc; then
2965 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2967 if test "${build}" != "${host}"; then
2968 # On Canadian crosses, CC_FOR_TARGET will have already been set
2969 # by `configure', so we won't have an opportunity to add -Bgcc/
2970 # to it. This is right: we don't want to search that directory
2971 # for binaries, but we want the header files in there, so add
2973 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2975 # Someone might think of using the pre-installed headers on
2976 # Canadian crosses, in case the installed compiler is not fully
2977 # compatible with the compiler being built. In this case, it
2978 # would be better to flag an error than risking having
2979 # incompatible object files being constructed. We can't
2980 # guarantee that an error will be flagged, but let's hope the
2981 # compiler will do it, when presented with incompatible header
2986 case "${target}-${is_cross_compiler}" in
2987 i[[3456789]]86-*-linux*-no)
2988 # Here host == target, so we don't need to build gcc,
2989 # so we don't want to discard standard headers.
2990 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2993 # If we're building newlib, use its generic headers last, but search
2994 # for any libc-related directories first (so make it the last -B
2996 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2998 # If we're building libgloss, find the startup file, simulator library
2999 # and linker script.
3000 case " $target_configdirs " in
3002 # Look for startup file, simulator library and maybe linker script.
3003 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3004 # Look for libnosys.a in case the target needs it.
3005 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3006 # Most targets have the linker script in the source directory.
3007 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3018 x86_64-*mingw* | *-w64-mingw*)
3019 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3020 # however, use a symlink named 'mingw' in ${prefix} .
3021 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3024 # MinGW can't be handled as Cygwin above since it does not use newlib.
3025 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3029 # Allow the user to override the flags for
3030 # our build compiler if desired.
3031 if test x"${build}" = x"${host}" ; then
3032 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3033 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3034 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3037 # On Canadian crosses, we'll be searching the right directories for
3038 # the previously-installed cross compiler, so don't bother to add
3039 # flags for directories within the install tree of the compiler
3040 # being built; programs in there won't even run.
3041 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3042 # Search for pre-installed headers if nothing else fits.
3043 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3046 if test "x${use_gnu_ld}" = x &&
3047 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3048 # Arrange for us to find uninstalled linker scripts.
3049 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3052 # Search for other target-specific linker scripts and such.
3055 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3059 # Makefile fragments.
3060 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3062 eval fragval=\$$frag
3063 if test $fragval != /dev/null; then
3064 eval $frag=${srcdir}/$fragval
3067 AC_SUBST_FILE(host_makefile_frag)
3068 AC_SUBST_FILE(target_makefile_frag)
3069 AC_SUBST_FILE(alphaieee_frag)
3070 AC_SUBST_FILE(ospace_frag)
3072 # Miscellanea: directories, flags, etc.
3073 AC_SUBST(RPATH_ENVVAR)
3074 AC_SUBST(GCC_SHLIB_SUBDIR)
3076 AC_SUBST(build_tooldir)
3077 AC_SUBST(CONFIGURE_GDB_TK)
3079 AC_SUBST(INSTALL_GDB_TK)
3081 # Build module lists & subconfigure args.
3082 AC_SUBST(build_configargs)
3083 AC_SUBST(build_configdirs)
3085 # Host module lists & subconfigure args.
3086 AC_SUBST(host_configargs)
3087 AC_SUBST(configdirs)
3088 AC_SUBST(target_configdirs)
3090 # Target module lists & subconfigure args.
3091 AC_SUBST(target_configargs)
3095 AC_SUBST(AR_FOR_BUILD)
3096 AC_SUBST(AS_FOR_BUILD)
3097 AC_SUBST(CC_FOR_BUILD)
3098 AC_SUBST(CFLAGS_FOR_BUILD)
3099 AC_SUBST(CXXFLAGS_FOR_BUILD)
3100 AC_SUBST(CXX_FOR_BUILD)
3101 AC_SUBST(DLLTOOL_FOR_BUILD)
3102 AC_SUBST(GCJ_FOR_BUILD)
3103 AC_SUBST(GFORTRAN_FOR_BUILD)
3104 AC_SUBST(GOC_FOR_BUILD)
3105 AC_SUBST(LDFLAGS_FOR_BUILD)
3106 AC_SUBST(LD_FOR_BUILD)
3107 AC_SUBST(NM_FOR_BUILD)
3108 AC_SUBST(RANLIB_FOR_BUILD)
3109 AC_SUBST(WINDMC_FOR_BUILD)
3110 AC_SUBST(WINDRES_FOR_BUILD)
3111 AC_SUBST(config_shell)
3113 # Generate default definitions for YACC, M4, LEX and other programs that run
3114 # on the build machine. These are used if the Makefile can't locate these
3115 # programs in objdir.
3116 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3118 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3119 case " $build_configdirs " in
3120 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3121 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3124 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3125 case " $build_configdirs " in
3126 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3129 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3130 case " $build_configdirs " in
3131 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3134 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3135 case " $build_configdirs " in
3136 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3137 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3140 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3141 case " $build_configdirs " in
3142 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3145 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3146 case " $build_configdirs " in
3147 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3150 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3151 # higher, else we use the "missing" dummy.
3152 if ${MAKEINFO} --version \
3153 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3156 MAKEINFO="$MISSING makeinfo"
3162 # FIXME: expect and dejagnu may become build tools?
3164 AC_CHECK_PROGS(EXPECT, expect, expect)
3165 case " $configdirs " in
3167 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3171 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3172 case " $configdirs " in
3174 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3180 NCN_STRICT_CHECK_TOOLS(AR, ar)
3181 NCN_STRICT_CHECK_TOOLS(AS, as)
3182 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3183 NCN_STRICT_CHECK_TOOLS(LD, ld)
3184 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3185 NCN_STRICT_CHECK_TOOLS(NM, nm)
3186 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3187 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3188 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3189 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3190 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3191 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3198 AC_ARG_WITH([build-time-tools],
3199 [ --with-build-time-tools=PATH
3200 use given path to find target tools during the build],
3201 [case x"$withval" in
3204 with_build_time_tools=
3205 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3208 [with_build_time_tools=])
3210 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3211 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3212 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3213 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3214 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3215 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3217 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3218 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3219 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3220 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3221 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3222 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3223 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3224 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3225 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3226 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3227 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3229 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3231 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3232 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3233 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3234 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3235 [gcc/g++ -B$$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],
3237 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3238 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3240 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3241 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3242 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3243 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3244 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3245 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3246 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3247 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3248 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3249 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3250 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3251 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3252 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3253 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3254 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3255 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3257 AC_SUBST(FLAGS_FOR_TARGET)
3258 AC_SUBST(RAW_CXX_FOR_TARGET)
3260 # Certain tools may need extra flags.
3261 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3262 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3263 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3265 # When building target libraries, except in a Canadian cross, we use
3266 # the same toolchain as the compiler we just built.
3267 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3268 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3269 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3270 if test $host = $build; then
3271 case " $configdirs " in
3273 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3274 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3275 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3280 AC_SUBST(COMPILER_AS_FOR_TARGET)
3281 AC_SUBST(COMPILER_LD_FOR_TARGET)
3282 AC_SUBST(COMPILER_NM_FOR_TARGET)
3284 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3285 AC_ARG_ENABLE(maintainer-mode,
3286 [ --enable-maintainer-mode enable make rules and dependencies not useful
3287 (and sometimes confusing) to the casual installer],
3288 USE_MAINTAINER_MODE=$enableval,
3289 USE_MAINTAINER_MODE=no)
3290 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3291 AC_SUBST(MAINTAINER_MODE_TRUE)
3292 AC_SUBST(MAINTAINER_MODE_FALSE)
3293 if test "$USE_MAINTAINER_MODE" = yes; then
3294 MAINTAINER_MODE_TRUE=
3295 MAINTAINER_MODE_FALSE='#'
3297 MAINTAINER_MODE_TRUE='#'
3298 MAINTAINER_MODE_FALSE=
3300 MAINT=$MAINTAINER_MODE_TRUE
3303 # ---------------------
3304 # GCC bootstrap support
3305 # ---------------------
3307 # Stage specific cflags for build.
3312 yes) stage1_cflags="-g -Wa,-J" ;;
3313 *) stage1_cflags="-g -J" ;;
3317 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3318 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3319 saved_CFLAGS="$CFLAGS"
3321 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3322 CFLAGS="$CFLAGS -fkeep-inline-functions"
3323 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3325 #if (__GNUC__ < 3) \
3326 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3327 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3328 #error http://gcc.gnu.org/PR29382
3331 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3332 [AC_MSG_RESULT([no])])
3334 CFLAGS="$saved_CFLAGS"
3337 AC_SUBST(stage1_cflags)
3339 # Enable --enable-checking in stage1 of the compiler.
3340 AC_ARG_ENABLE(stage1-checking,
3341 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3343 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3344 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3345 stage1_checking=--enable-checking=yes,types
3347 stage1_checking=--enable-checking=$enable_checking,types
3349 AC_SUBST(stage1_checking)
3351 # Enable -Werror in bootstrap stage2 and later.
3352 AC_ARG_ENABLE(werror,
3353 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3354 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3359 case ${enable_werror} in
3360 yes) stage2_werror_flag="--enable-werror-always" ;;
3361 *) stage2_werror_flag="" ;;
3363 AC_SUBST(stage2_werror_flag)
3365 # Specify what files to not compare during bootstrap.
3367 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3369 hppa*64*-*-hpux*) ;;
3370 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3372 case " $configdirs " in
3373 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3375 AC_SUBST(compare_exclusions)
3377 AC_CONFIG_FILES([Makefile],
3378 [sed "$extrasub_build" Makefile |
3379 sed "$extrasub_host" |
3380 sed "$extrasub_target" > mf$$
3381 mv -f mf$$ Makefile],
3382 [extrasub_build="$extrasub_build"
3383 extrasub_host="$extrasub_host"
3384 extrasub_target="$extrasub_target"])