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 \
207 # these tools are built using the target libraries, and are intended to
208 # run only in the target environment
210 # note: any program that *uses* libraries that are in the "target_libraries"
211 # list belongs in this list. those programs are also very likely
212 # candidates for the "native_only" list which follows
214 target_tools="target-examples target-groff target-gperf target-rda"
216 ################################################################################
218 ## All tools belong in one of the four categories, and are assigned above
219 ## We assign ${configdirs} this way to remove all embedded newlines. This
220 ## is important because configure will choke if they ever get through.
221 ## ${configdirs} is directories we build using the host tools.
222 ## ${target_configdirs} is directories we build using the target tools.
223 configdirs=`echo ${host_libs} ${host_tools}`
224 target_configdirs=`echo ${target_libraries} ${target_tools}`
225 build_configdirs=`echo ${build_libs} ${build_tools}`
227 m4_divert_text([PARSE_ARGS],
230 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
231 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
232 m4_popdef([AS_MESSAGE_LOG_FD])dnl
235 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
238 ################################################################################
240 srcname="gnu development package"
242 # This gets set non-empty for some net releases of packages.
245 # Define is_cross_compiler to save on calls to 'test'.
247 if test x"${host}" = x"${target}" ; then
250 is_cross_compiler=yes
253 # Find the build and target subdir names.
255 # Be sure to cover against remnants of an in-tree build.
256 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
257 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
258 Use a pristine source tree when building in a separate tree])
261 # Skipdirs are removed silently.
263 # Noconfigdirs are removed loudly.
267 # Make sure we don't let GNU ld be added if we didn't want it.
268 if test x$with_gnu_ld = xno ; then
270 noconfigdirs="$noconfigdirs ld gold"
274 # Make sure we don't let GNU as be added if we didn't want it.
275 if test x$with_gnu_as = xno ; then
277 noconfigdirs="$noconfigdirs gas"
281 # Make sure we don't let ZLIB be added if we didn't want it.
282 if test x$with_system_zlib = xyes ; then
284 noconfigdirs="$noconfigdirs zlib"
287 # some tools are so dependent upon X11 that if we're not building with X,
288 # it's not even worth trying to configure, much less build, that tool.
291 yes | "") ;; # the default value for this tree is that X11 is available
293 skipdirs="${skipdirs} tk itcl libgui"
294 # We won't be able to build gdbtk without X.
297 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
300 # Some tools are only suitable for building in a "native" situation.
301 # Remove these if host!=target.
302 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"
304 # Similarly, some are only suitable for cross toolchains.
305 # Remove these if host=target.
306 cross_only="target-libgloss target-newlib target-opcodes"
308 case $is_cross_compiler in
309 no) skipdirs="${skipdirs} ${cross_only}" ;;
310 yes) skipdirs="${skipdirs} ${native_only}" ;;
313 # If both --with-headers and --with-libs are specified, default to
315 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
316 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
317 if test x"${with_newlib}" = x ; then
322 # Recognize --with-newlib/--without-newlib.
323 case ${with_newlib} in
324 no) skipdirs="${skipdirs} target-newlib" ;;
325 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
328 # Handle --enable-gold, --enable-ld.
329 # --disable-gold [--enable-ld]
330 # Build only ld. Default option.
331 # --enable-gold [--enable-ld]
332 # Build both gold and ld. Install gold as "ld.gold", install ld
333 # as "ld.bfd" and "ld".
334 # --enable-gold=default [--enable-ld]
335 # Build both gold and ld. Install gold as "ld.gold" and "ld",
336 # install ld as "ld.bfd".
337 # --enable-gold[=default] --disable-ld
338 # Build only gold, which is then installed as both "ld.gold" and "ld".
339 # --enable-gold --enable-ld=default
340 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
342 # In other words, ld is default
343 # --enable-gold=default --enable-ld=default
348 [[ --enable-gold[=ARG] build gold [ARG={default,yes,no}]]],
349 ENABLE_GOLD=$enableval,
351 case "${ENABLE_GOLD}" in
353 # Check for ELF target.
356 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
357 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
358 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
360 *-*-linux*aout* | *-*-linux*oldld*)
368 if test "$is_elf" = "yes"; then
369 # Check for target supported by gold.
371 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
372 configdirs="$configdirs gold"
373 if test x${ENABLE_GOLD} = xdefault; then
384 AC_MSG_ERROR([invalid --enable-gold argument])
389 [[ --enable-ld[=ARG] build ld [ARG={default,yes,no}]]],
390 ENABLE_LD=$enableval,
393 case "${ENABLE_LD}" in
395 if test x${default_ld} != x; then
396 AC_MSG_ERROR([either gold or ld can be the default ld])
402 if test x${ENABLE_GOLD} != xyes; then
403 AC_MSG_WARN([neither ld nor gold are enabled])
405 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
408 AC_MSG_ERROR([invalid --enable-ld argument])
412 # Configure extra directories which are host specific
416 configdirs="$configdirs libtermcap" ;;
419 # A target can indicate whether a language isn't supported for some reason.
420 # Only spaces may be used in this macro; not newlines or tabs.
421 unsupported_languages=
423 # Remove more programs from consideration, based on the host or
424 # target this usually means that a port of the program doesn't
429 noconfigdirs="$noconfigdirs byacc"
431 i[[3456789]]86-*-vsta)
432 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
434 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
435 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
438 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
440 i[[3456789]]86-*-mingw32*)
441 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
442 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
444 i[[3456789]]86-*-beos*)
445 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
448 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
451 noconfigdirs="$noconfigdirs rcs"
454 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
457 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
462 AC_ARG_ENABLE(libquadmath,
463 AS_HELP_STRING([--disable-libquadmath],
464 [do not build libquadmath directory]),
465 ENABLE_LIBQUADMATH=$enableval,
466 ENABLE_LIBQUADMATH=yes)
467 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
468 noconfigdirs="$noconfigdirs target-libquadmath"
472 AC_ARG_ENABLE(libquadmath-support,
473 AS_HELP_STRING([--disable-libquadmath-support],
474 [disable libquadmath support for Fortran]),
475 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
476 ENABLE_LIBQUADMATH_SUPPORT=yes)
477 enable_libquadmath_support=
478 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
479 enable_libquadmath_support=no
483 AC_ARG_ENABLE(libada,
484 [ --enable-libada build libada directory],
485 ENABLE_LIBADA=$enableval,
487 if test "${ENABLE_LIBADA}" != "yes" ; then
488 noconfigdirs="$noconfigdirs gnattools"
491 AC_ARG_ENABLE(libssp,
492 [ --enable-libssp build libssp directory],
493 ENABLE_LIBSSP=$enableval,
496 # Save it here so that, even in case of --enable-libgcj, if the Java
497 # front-end isn't enabled, we still get libgcj disabled.
499 case $enable_libgcj in
501 # If we reset it here, it won't get added to noconfigdirs in the
502 # target-specific build rules, so it will be forcibly enabled
503 # (unless the Java language itself isn't enabled).
507 # Make sure we get it printed in the list of not supported target libs.
508 # Don't disable libffi, though, other languages use it.
509 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
510 # Clear libgcj_saved so that even if java is enabled libffi won't be
517 # Disable libmudflap on some systems.
518 if test x$enable_libmudflap = x ; then
520 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
521 # Enable libmudflap by default in GNU and friends.
524 # Enable libmudflap by default in FreeBSD.
527 # Disable it by default everywhere else.
528 noconfigdirs="$noconfigdirs target-libmudflap"
533 # Disable libgomp on non POSIX hosted systems.
534 if test x$enable_libgomp = x ; then
535 # Enable libgomp by default on hosted POSIX systems.
537 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
539 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
541 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
543 *-*-darwin* | *-*-aix*)
546 noconfigdirs="$noconfigdirs target-libgomp"
551 # Default libgloss CPU subdirectory.
552 libgloss_dir="$target_cpu"
556 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
559 noconfigdirs="$noconfigdirs ld gas gdb gprof"
560 noconfigdirs="$noconfigdirs sim target-rda"
562 i[[3456789]]86-*-darwin*)
563 noconfigdirs="$noconfigdirs ld gprof"
564 noconfigdirs="$noconfigdirs sim target-rda"
566 x86_64-*-darwin[[912]]*)
567 noconfigdirs="$noconfigdirs ld gas gprof"
568 noconfigdirs="$noconfigdirs sim target-rda"
571 noconfigdirs="$noconfigdirs ld gas gdb gprof"
572 noconfigdirs="$noconfigdirs sim target-rda"
573 noconfigdirs="$noconfigdirs ${libgcj}"
575 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
576 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
579 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
580 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
581 && test -f /usr/local/include/gmp.h; then
585 # Skip some stuff that's unsupported on some FreeBSD configurations.
591 noconfigdirs="$noconfigdirs ${libgcj}"
596 # Remove unsupported stuff on all kaOS configurations.
597 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
598 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
599 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
600 noconfigdirs="$noconfigdirs target-libgloss"
603 # Skip some stuff on all NetBSD configurations.
604 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
606 # Skip some stuff that's unsupported on some NetBSD configurations.
608 i*86-*-netbsdelf*) ;;
609 arm*-*-netbsdelf*) ;;
611 noconfigdirs="$noconfigdirs ${libgcj}"
616 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
619 skipdirs="${skipdirs} target-libiberty"
620 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
622 # The tpf target doesn't support gdb yet.
624 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
627 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
630 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
633 # ld works, but does not support shared libraries.
634 # newlib is not 64 bit ready. I'm not sure about fileutils.
635 # gas doesn't generate exception information.
636 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
639 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
642 # newlib is not 64 bit ready
643 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
646 # newlib is not 64 bit ready
647 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
650 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
653 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
655 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
656 noconfigdirs="$noconfigdirs ${libgcj}"
657 noconfigdirs="$noconfigdirs target-examples"
658 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
659 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
660 noconfigdirs="$noconfigdirs expect dejagnu"
661 # the C++ libraries don't build on top of CE's C libraries
662 noconfigdirs="$noconfigdirs target-libstdc++-v3"
663 noconfigdirs="$noconfigdirs target-newlib"
665 *-*-cygwin*) ;; # keep gdb and readline
666 *) noconfigdirs="$noconfigdirs gdb readline"
672 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
676 arm-*-coff | strongarm-*-coff | xscale-*-coff)
677 noconfigdirs="$noconfigdirs ${libgcj}"
680 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
681 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
684 arm*-*-linux-gnueabi)
685 noconfigdirs="$noconfigdirs target-qthreads"
686 case ${with_newlib} in
687 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
692 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
696 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
699 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
702 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
705 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
708 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
711 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
714 unsupported_languages="$unsupported_languages java"
715 noconfigdirs="$noconfigdirs target-boehm-gc gdb"
716 if test x${is_cross_compiler} != xno ; then
717 target_configdirs="${target_configdirs} target-bsp target-cygmon"
721 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
723 c54x*-*-* | tic54x-*-*)
724 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
727 noconfigdirs="$noconfigdirs ${libgcj} gdb"
729 cris-*-* | crisv32-*-*)
730 unsupported_languages="$unsupported_languages java"
733 unsupported_languages="$unsupported_languages fortran"
734 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
735 *-*-elf) # See PR46792 regarding target-libffi.
736 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
738 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
740 unsupported_languages="$unsupported_languages fortran"
741 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
746 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
749 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
752 noconfigdirs="$noconfigdirs ${libgcj} gdb"
754 ep9312-*-elf | ep9312-*-coff)
758 noconfigdirs="$noconfigdirs ${libgcj} gdb"
761 noconfigdirs="$noconfigdirs ${libgcj}"
764 noconfigdirs="$noconfigdirs ${libgcj}"
765 noconfigdirs="$noconfigdirs gprof"
768 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
771 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
773 hppa1.1-*-osf* | hppa1.1-*-bsd* )
775 hppa*64*-*-linux* | parisc*64*-*-linux*)
776 # In this case, it's because the hppa64-linux target is for
777 # the kernel only at this point and has no libc, and thus no
778 # headers, crt*.o, etc., all of which are needed by these.
779 noconfigdirs="$noconfigdirs target-zlib"
781 parisc*-*-linux* | hppa*-*-linux*)
787 noconfigdirs="$noconfigdirs ${libgcj}"
790 noconfigdirs="$noconfigdirs ld shellutils"
796 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
797 # build on HP-UX 10.20.
798 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
801 noconfigdirs="$noconfigdirs ${libgcj} gdb"
804 # No gdb support yet.
805 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
808 # No gdb or ld support yet.
809 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
812 # No gdb or ld support yet.
813 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
817 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
818 noconfigdirs="$noconfigdirs ${libgcj}"
821 i[[3456789]]86-*-linux*)
822 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
823 # not build java stuff by default.
826 noconfigdirs="$noconfigdirs ${libgcj}";;
829 # This section makes it possible to build newlib natively on linux.
830 # If we are using a cross compiler then don't configure newlib.
831 if test x${is_cross_compiler} != xno ; then
832 noconfigdirs="$noconfigdirs target-newlib"
834 noconfigdirs="$noconfigdirs target-libgloss"
835 # If we are not using a cross compiler, do configure newlib.
836 # Note however, that newlib will only be configured in this situation
837 # if the --with-newlib option has been given, because otherwise
838 # 'target-newlib' will appear in skipdirs.
840 i[[3456789]]86-w64-mingw*)
841 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
843 i[[3456789]]86-*-mingw*)
844 target_configdirs="$target_configdirs target-winsup"
845 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
848 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
851 target_configdirs="$target_configdirs target-libtermcap target-winsup"
852 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
853 # always build newlib if winsup directory is present.
854 if test -d "$srcdir/winsup/cygwin"; then
855 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
856 elif test -d "$srcdir/newlib"; then
857 echo "Warning: winsup/cygwin is missing so newlib can't be built."
860 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
861 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
864 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
866 i[[3456789]]86-*-sco3.2v5*)
867 # The linker does not yet know about weak symbols in COFF,
868 # and is not configured to handle mixed ELF and COFF.
869 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
871 i[[3456789]]86-*-sco*)
872 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
874 i[[3456789]]86-*-solaris2*)
875 noconfigdirs="$noconfigdirs target-libgloss"
877 i[[3456789]]86-*-sysv4*)
878 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
880 i[[3456789]]86-*-beos*)
881 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
883 i[[3456789]]86-*-rdos*)
884 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
887 noconfigdirs="$noconfigdirs ${libgcj}"
889 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
890 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
894 noconfigdirs="$noconfigdirs ${libgcj}"
897 noconfigdirs="$noconfigdirs ${libgcj}"
903 # The EPOC C++ environment does not support exceptions or rtti,
904 # and so building libstdc++-v3 tends not to always work.
905 noconfigdirs="$noconfigdirs target-libstdc++-v3"
908 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
909 unsupported_languages="$unsupported_languages fortran java"
912 noconfigdirs="$noconfigdirs ${libgcj}"
915 noconfigdirs="$noconfigdirs ${libgcj}"
918 noconfigdirs="$noconfigdirs sim"
921 # copied from rs6000-*-* entry
922 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
924 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
925 target_configdirs="$target_configdirs target-winsup"
926 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
927 # always build newlib.
928 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
930 # This is temporary until we can link against shared libraries
931 powerpcle-*-solaris*)
932 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
936 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
939 noconfigdirs="$noconfigdirs ${libgcj}"
942 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
946 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
949 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
952 noconfigdirs="$noconfigdirs gprof ${libgcj}"
955 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
958 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
961 skipdirs="$skipdirs target-libiberty"
962 noconfigdirs="$noconfigdirs ${libgcj}"
963 if test x$with_newlib = xyes; then
964 noconfigdirs="$noconfigdirs gprof"
969 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
972 # Linking libjava exceeds command-line length limits on at least
973 # IRIX 6.2, but not on IRIX 6.5.
974 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
975 # <oldham@codesourcery.com>
976 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
979 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
982 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
985 noconfigdirs="$noconfigdirs gprof ${libgcj}"
989 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
993 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
994 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
995 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
996 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
1000 noconfigdirs="$noconfigdirs ${libgcj}" ;;
1002 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
1005 sparclet-*-aout* | sparc86x-*-*)
1009 noconfigdirs="$noconfigdirs ${libgcj}"
1012 noconfigdirs="$noconfigdirs ${libgcj}"
1016 noconfigdirs="$noconfigdirs ${libgcj}"
1020 noconfigdirs="$noconfigdirs ${libgcj}"
1021 if test x${is_cross_compiler} != xno ; then
1022 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1027 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
1028 noconfigdirs="$noconfigdirs ${libgcj}"
1030 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
1033 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
1036 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
1039 noconfigdirs="$noconfigdirs ${libgcj}"
1042 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
1045 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1048 noconfigdirs="$noconfigdirs ${libgcj}"
1051 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
1053 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1054 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1057 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1060 noconfigdirs="$noconfigdirs ${libgcj}"
1064 # If we aren't building newlib, then don't build libgloss, since libgloss
1065 # depends upon some newlib header files.
1066 case "${noconfigdirs}" in
1067 *target-libgloss*) ;;
1068 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1071 # Work in distributions that contain no compiler tools, like Autoconf.
1073 host_makefile_frag=/dev/null
1074 if test -d ${srcdir}/config ; then
1077 # Avoid "too much defining" errors from HPUX compiler.
1078 tentative_cc="cc -Wp,-H256000"
1079 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1080 # If it's HP/UX ar, this should be harmless.
1084 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1087 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1088 # chokes on bfd, the compiler won't let you assign integers to enums, and
1089 # other problems. Defining CC to gcc is a questionable way to say "don't use
1090 # the apollo compiler" (the preferred version of GCC could be called cc,
1091 # or whatever), but I'm not sure leaving CC as cc is any better...
1092 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1093 # Used to have BISON=yacc.
1097 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1100 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1101 tentative_cc="cc -Xa"
1102 host_makefile_frag="config/mh-cxux"
1104 m88k-motorola-sysv*)
1107 tentative_cc="cc -Wf,-XNg1000"
1108 host_makefile_frag="config/mh-decstation"
1111 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1112 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1113 host_makefile_frag="config/mh-necv4"
1116 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1117 # environment. Also bump switch table size so that cp-parse will
1118 # compile. Bump string length limit so linker builds.
1119 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1122 host_makefile_frag="config/mh-sysv4"
1125 # This is for a MIPS running RISC/os 4.52C.
1127 # This is needed for GDB, but needs to be in the top-level make because
1128 # if a library is compiled with the bsd headers and gets linked with the
1129 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1130 # a different size).
1131 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1132 # known except to select the sysv environment. Could we use /proc instead?
1133 # These "sysv environments" and "bsd environments" often end up being a pain.
1135 # This is not part of CFLAGS because perhaps not all C compilers have this
1137 tentative_cc="cc -systype sysv"
1142 i[[3456789]]86-*-sysv5*)
1143 host_makefile_frag="config/mh-sysv5"
1145 i[[3456789]]86-*-dgux*)
1146 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1147 host_makefile_frag="config/mh-dgux386"
1149 i[[3456789]]86-ncr-sysv4.3*)
1150 # The MetaWare compiler will generate a copyright message unless you
1151 # turn it off by adding the -Hnocopyr flag.
1152 tentative_cc="cc -Hnocopyr"
1154 i[[3456789]]86-ncr-sysv4*)
1155 # for an NCR 3000 (i486/SVR4) system.
1156 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1157 # This compiler not only emits obnoxious copyright messages every time
1158 # you run it, but it chokes and dies on a whole bunch of GNU source
1159 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1160 tentative_cc="/usr/ccs/ATT/cc"
1161 host_makefile_frag="config/mh-ncr3000"
1163 i[[3456789]]86-*-sco3.2v5*)
1165 i[[3456789]]86-*-sco*)
1166 # The native C compiler botches some simple uses of const. Unfortunately,
1167 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1168 tentative_cc="cc -Dconst="
1169 host_makefile_frag="config/mh-sco"
1171 i[[3456789]]86-*-udk*)
1172 host_makefile_frag="config/mh-sysv5"
1174 i[[3456789]]86-*-solaris2*)
1175 host_makefile_frag="config/mh-sysv4"
1177 i[[3456789]]86-*-msdosdjgpp*)
1178 host_makefile_frag="config/mh-djgpp"
1181 ACX_CHECK_CYGWIN_CAT_WORKS
1182 host_makefile_frag="config/mh-cygwin"
1185 host_makefile_frag="config/mh-mingw"
1188 host_makefile_frag="config/mh-interix"
1191 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1195 host_makefile_frag="config/mh-solaris"
1198 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1199 # without overflowing the jump tables (-J says to use a 32 bit table)
1200 tentative_cc="cc -J"
1203 tentative_cc="cc -Wp,-H256000"
1204 host_makefile_frag="config/mh-pa-hpux10"
1206 hppa*-hp-hpux* | hppa*-*-hiux*)
1207 tentative_cc="cc -Wp,-H256000"
1208 host_makefile_frag="config/mh-pa"
1211 host_makefile_frag="config/mh-pa"
1213 *-hp-hpux* | *-*-hiux*)
1214 tentative_cc="cc -Wp,-H256000"
1217 # /bin/cc is less than useful for our purposes. Always use GCC
1218 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1219 host_makefile_frag="config/mh-lynxrs6k"
1222 host_makefile_frag="config/mh-darwin"
1225 host_makefile_frag="config/mh-ppc-aix"
1228 host_makefile_frag="config/mh-ppc-aix"
1231 # /bin/cc is less than useful for our purposes. Always use GCC
1232 tentative_cc="/bin/gcc"
1235 host_makefile_frag="config/mh-sysv4"
1237 # This is placed last to prevent interfering with the cases above.
1239 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1240 host_makefile_frag="config/mh-x86omitfp"
1245 # If we aren't going to be using gcc, see if we can extract a definition
1246 # of CC from the fragment.
1247 # Actually, use the 'pre-extracted' version above.
1248 if test -z "${CC}" && test "${build}" = "${host}" ; then
1249 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1251 for dir in $PATH; do
1252 test -z "$dir" && dir=.
1253 if test -f $dir/gcc; then
1259 if test -z "${found}" && test -n "${tentative_cc}" ; then
1264 if test "${build}" != "${host}" ; then
1265 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1266 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1267 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1268 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1269 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1270 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1271 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1272 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1273 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1274 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1275 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1276 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1277 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1279 AR_FOR_BUILD="\$(AR)"
1280 AS_FOR_BUILD="\$(AS)"
1281 CC_FOR_BUILD="\$(CC)"
1282 CXX_FOR_BUILD="\$(CXX)"
1283 GCJ_FOR_BUILD="\$(GCJ)"
1284 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1285 GOC_FOR_BUILD="\$(GOC)"
1286 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1287 LD_FOR_BUILD="\$(LD)"
1288 NM_FOR_BUILD="\$(NM)"
1289 RANLIB_FOR_BUILD="\$(RANLIB)"
1290 WINDRES_FOR_BUILD="\$(WINDRES)"
1291 WINDMC_FOR_BUILD="\$(WINDMC)"
1297 # We must set the default linker to the linker used by gcc for the correct
1298 # operation of libtool. If LD is not defined and we are using gcc, try to
1299 # set the LD default to the ld used by gcc.
1300 if test -z "$LD"; then
1301 if test "$GCC" = yes; then
1304 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1306 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1308 case $gcc_prog_ld in
1309 # Accept absolute paths.
1310 [[\\/]* | [A-Za-z]:[\\/]*)]
1311 LD="$gcc_prog_ld" ;;
1317 ACX_PROG_CMP_IGNORE_INITIAL
1319 # See if we are building gcc with C++.
1320 AC_ARG_ENABLE(build-with-cxx,
1321 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1322 ENABLE_BUILD_WITH_CXX=$enableval,
1323 ENABLE_BUILD_WITH_CXX=no)
1325 # Used for setting $lt_cv_objdir
1328 # Check for GMP, MPFR and MPC
1329 gmplibs="-lmpc -lmpfr -lgmp"
1333 # Specify a location for mpc
1334 # check for this first so it ends up on the link line before mpfr.
1335 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1336 Equivalent to --with-mpc-include=PATH/include
1337 plus --with-mpc-lib=PATH/lib])
1338 AC_ARG_WITH(mpc-include, [ --with-mpc-include=PATH
1339 specify directory for installed MPC include files])
1340 AC_ARG_WITH(mpc-lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1342 if test "x$with_mpc" != x; then
1343 gmplibs="-L$with_mpc/lib $gmplibs"
1344 gmpinc="-I$with_mpc/include $gmpinc"
1346 if test "x$with_mpc_include" != x; then
1347 gmpinc="-I$with_mpc_include $gmpinc"
1349 if test "x$with_mpc_lib" != x; then
1350 gmplibs="-L$with_mpc_lib $gmplibs"
1352 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1353 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1354 gmpinc='-I$$s/mpc/src '"$gmpinc"
1355 # Do not test the mpc version. Assume that it is sufficient, since
1356 # it is in the source tree, and the library has not been built yet
1357 # but it would be included on the link line in the version check below
1358 # hence making the test fail.
1362 # Specify a location for mpfr
1363 # check for this first so it ends up on the link line before gmp.
1364 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1365 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1366 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1368 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1369 Equivalent to --with-mpfr-include=PATH/include
1370 plus --with-mpfr-lib=PATH/lib])
1371 AC_ARG_WITH(mpfr-include, [ --with-mpfr-include=PATH
1372 specify directory for installed MPFR include files])
1373 AC_ARG_WITH(mpfr-lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1375 if test "x$with_mpfr" != x; then
1376 gmplibs="-L$with_mpfr/lib $gmplibs"
1377 gmpinc="-I$with_mpfr/include $gmpinc"
1379 if test "x$with_mpfr_include" != x; then
1380 gmpinc="-I$with_mpfr_include $gmpinc"
1382 if test "x$with_mpfr_lib" != x; then
1383 gmplibs="-L$with_mpfr_lib $gmplibs"
1385 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1386 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1387 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1388 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1389 # Do not test the mpfr version. Assume that it is sufficient, since
1390 # it is in the source tree, and the library has not been built yet
1391 # but it would be included on the link line in the version check below
1392 # hence making the test fail.
1396 # Specify a location for gmp
1397 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1398 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1399 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1401 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1402 Equivalent to --with-gmp-include=PATH/include
1403 plus --with-gmp-lib=PATH/lib])
1404 AC_ARG_WITH(gmp-include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1405 AC_ARG_WITH(gmp-lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1408 if test "x$with_gmp" != x; then
1409 gmplibs="-L$with_gmp/lib $gmplibs"
1410 gmpinc="-I$with_gmp/include $gmpinc"
1412 if test "x$with_gmp_include" != x; then
1413 gmpinc="-I$with_gmp_include $gmpinc"
1415 if test "x$with_gmp_lib" != x; then
1416 gmplibs="-L$with_gmp_lib $gmplibs"
1418 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1419 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1420 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1421 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1422 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1423 # Do not test the gmp version. Assume that it is sufficient, since
1424 # it is in the source tree, and the library has not been built yet
1425 # but it would be included on the link line in the version check below
1426 # hence making the test fail.
1430 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1432 saved_CFLAGS="$CFLAGS"
1433 CFLAGS="$CFLAGS $gmpinc"
1434 # Check for the recommended and required versions of GMP.
1435 AC_MSG_CHECKING([for the correct version of gmp.h])
1436 AC_TRY_COMPILE([#include "gmp.h"],[
1437 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1438 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1439 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1442 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1443 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1444 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1445 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1448 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1449 [AC_MSG_RESULT([no]); have_gmp=no])
1451 # If we have GMP, check the MPFR version.
1452 if test x"$have_gmp" = xyes; then
1453 # Check for the recommended and required versions of MPFR.
1454 AC_MSG_CHECKING([for the correct version of mpfr.h])
1455 AC_TRY_COMPILE([#include <gmp.h>
1456 #include <mpfr.h>],[
1457 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1460 ], [AC_TRY_COMPILE([#include <gmp.h>
1461 #include <mpfr.h>],[
1462 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1465 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1466 [AC_MSG_RESULT([no]); have_gmp=no])
1469 # Check for the MPC header version.
1470 if test x"$have_gmp" = xyes ; then
1471 # Check for the recommended and required versions of MPC.
1472 AC_MSG_CHECKING([for the correct version of mpc.h])
1473 AC_TRY_COMPILE([#include <mpc.h>],[
1474 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1477 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1478 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1481 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1482 [AC_MSG_RESULT([no]); have_gmp=no])
1485 # Now check the MPFR library.
1486 if test x"$have_gmp" = xyes; then
1488 LIBS="$LIBS $gmplibs"
1489 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1490 AC_TRY_LINK([#include <mpc.h>],[
1497 mpfr_atan2 (n, n, x, GMP_RNDN);
1498 mpfr_erfc (n, x, GMP_RNDN);
1499 mpfr_subnormalize (x, t, GMP_RNDN);
1503 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1504 mpc_cosh (c, c, MPC_RNDNN);
1505 mpc_pow (c, c, c, MPC_RNDNN);
1506 mpc_acosh (c, c, MPC_RNDNN);
1508 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1512 CFLAGS="$saved_CFLAGS"
1514 # The library versions listed in the error message below should match
1515 # the HARD-minimums enforced above.
1516 if test x$have_gmp != xyes; then
1517 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1518 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1519 their locations. Source code for these libraries can be found at
1520 their respective hosting sites as well as at
1521 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1522 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1523 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1524 make sure that you have installed both the libraries and the header
1525 files. They may be located in separate packages.])
1529 # Flags needed for both GMP, MPFR and/or MPC.
1532 AC_SUBST(extra_mpfr_configure_flags)
1533 AC_SUBST(extra_mpc_gmp_configure_flags)
1534 AC_SUBST(extra_mpc_mpfr_configure_flags)
1536 # Allow host libstdc++ to be specified for static linking with PPL.
1537 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1538 when linking with PPL])
1540 case $with_host_libstdcxx in
1542 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1546 # Linker flags to use for stage1 or when not boostrapping.
1547 AC_ARG_WITH(stage1-ldflags,
1548 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1549 [if test "$withval" = "no" -o "$withval" = "yes"; then
1552 stage1_ldflags=$withval
1555 AC_SUBST(stage1_ldflags)
1557 # Libraries to use for stage1 or when not bootstrapping.
1558 AC_ARG_WITH(stage1-libs,
1559 [ -with-stage1-libs=LIBS Libraries for stage1],
1560 [if test "$withval" = "no" -o "$withval" = "yes"; then
1563 stage1_libs=$withval
1565 [stage1_libs=$with_host_libstdcxx])
1566 AC_SUBST(stage1_libs)
1568 # Libraries to use for stage2 and later builds. This defaults to the
1569 # argument passed to --with-host-libstdcxx.
1570 AC_ARG_WITH(boot-libs,
1571 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1572 [if test "$withval" = "no" -o "$withval" = "yes"; then
1575 poststage1_libs=$withval
1577 [poststage1_libs=$with_host_libstdcxx])
1578 AC_SUBST(poststage1_libs)
1580 # Linker flags to use for stage2 and later builds.
1581 AC_ARG_WITH(boot-ldflags,
1582 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1583 [if test "$withval" = "no" -o "$withval" = "yes"; then
1586 poststage1_ldflags=$withval
1588 [poststage1_ldflags=
1589 # In stages 2 and 3, default to linking libstdc++ and libgcc
1590 # statically. But if the user explicitly specified the libraries to
1591 # use, trust that they are doing what they want.
1592 if test "$poststage1_libs" = ""; then
1593 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1595 AC_SUBST(poststage1_ldflags)
1598 ppllibs=" -lppl_c -lppl -lgmpxx"
1601 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1602 Equivalent to --with-ppl-include=PATH/include
1603 plus --with-ppl-lib=PATH/lib])
1604 AC_ARG_WITH(ppl-include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1605 AC_ARG_WITH(ppl-lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1614 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1615 pplinc="-I$with_ppl/include $pplinc"
1618 if test "x$with_ppl_include" != x; then
1619 pplinc="-I$with_ppl_include $pplinc"
1621 if test "x$with_ppl_lib" != x; then
1622 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1624 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1625 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"' -lppl_c -lppl -lgmpxx '
1626 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1627 enable_ppl_version_check=no
1630 AC_ARG_ENABLE(ppl-version-check,
1631 [ --disable-ppl-version-check disable check for PPL version],
1632 ENABLE_PPL_CHECK=$enableval,
1633 ENABLE_PPL_CHECK=yes)
1635 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
1636 saved_CFLAGS="$CFLAGS"
1637 CFLAGS="$CFLAGS $pplinc $gmpinc"
1638 AC_MSG_CHECKING([for version 0.10 (or later revision) of PPL])
1639 AC_TRY_COMPILE([#include "ppl_c.h"],[
1640 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10
1643 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1644 CFLAGS="$saved_CFLAGS"
1647 # Flags needed for PPL
1654 dnl Provide configure switches and initialize clooginc & clooglibs
1655 dnl with user input.
1657 if test "x$with_ppl" = "xno"; then
1660 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1661 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1662 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1663 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1665 if test "x$with_cloog" != "xno"; then
1666 dnl Version check for CLooG-Org
1667 dnl As long as there is no new release of CLooG,
1668 dnl we will check for 0.14.0.
1670 dnl The first git revision that will work with
1671 dnl GCC is: bd91b845a65805c290d43fc1bef8139864a163fb
1672 dnl This is enforced implictly, as this is the commit that
1673 dnl introduced the versioning information used within our
1676 dnl If we're using CLooG-Legacy, the provided version information
1677 dnl will be ignored.
1678 CLOOG_CHECK_VERSION(0,14,0)
1680 dnl Only execute fail-action, if CLooG has been
1683 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1686 # Check for LTO support.
1688 [ --enable-lto enable link time optimization support],
1689 enable_lto=$enableval,
1690 enable_lto=yes; default_enable_lto=yes)
1692 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1693 build_lto_plugin=yes
1694 ],[if test x"$default_enable_lto" = x"yes" ; then
1696 *-apple-darwin* | *-cygwin* | *-mingw*) ;;
1697 # On other non-ELF platforms, LTO has yet to be validated.
1701 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1702 # It would also be nice to check the binutils support, but we don't
1703 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1704 # warn during gcc/ subconfigure; unless you're bootstrapping with
1705 # -flto it won't be needed until after installation anyway.
1707 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1708 *) if test x"$enable_lto" = x"yes"; then
1709 AC_MSG_ERROR([LTO support is not enabled for this target.])
1714 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1715 # Build it unless LTO was explicitly disabled.
1717 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1723 # By default, C is the only stage 1 language.
1724 stage1_languages=,c,
1726 # Target libraries that we bootstrap.
1727 bootstrap_target_libs=,target-libgcc,
1729 # Figure out what language subdirectories are present.
1730 # Look if the user specified --enable-languages="..."; if not, use
1731 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1733 # NB: embedded tabs in this IF block -- do not untabify
1734 if test -d ${srcdir}/gcc; then
1735 if test x"${enable_languages+set}" != xset; then
1736 if test x"${LANGUAGES+set}" = xset; then
1737 enable_languages="${LANGUAGES}"
1738 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1740 enable_languages=all
1743 if test x"${enable_languages}" = x ||
1744 test x"${enable_languages}" = xyes;
1746 echo configure.in: --enable-languages needs at least one language argument 1>&2
1750 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1752 # 'f95' is the old name for the 'fortran' language. We issue a warning
1753 # and make the substitution.
1754 case ,${enable_languages}, in
1756 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1757 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1761 # First scan to see if an enabled language requires some other language.
1762 # We assume that a given config-lang.in will list all the language
1763 # front ends it requires, even if some are required indirectly.
1764 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1765 case ${lang_frag} in
1767 # The odd quoting in the next line works around
1768 # an apparent bug in bash 1.12 on linux.
1769 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1771 # From the config-lang.in, get $language, $lang_requires, and
1772 # $lang_requires_boot_languages.
1775 lang_requires_boot_languages=
1777 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1778 case ,${enable_languages}, in
1782 echo " \`$other' language required by \`$language'; enabling" 1>&2
1783 enable_languages="${enable_languages},${other}"
1787 for other in ${lang_requires_boot_languages} ; do
1788 if test "$other" != "c"; then
1789 case ,${enable_stage1_languages}, in
1793 case ,${enable_languages}, in
1795 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1796 enable_stage1_languages="$enable_stage1_languages,${other}"
1807 new_enable_languages=,c,
1809 # If LTO is enabled, add the LTO front end.
1810 extra_host_libiberty_configure_flags=
1811 if test "$enable_lto" = "yes" ; then
1812 case ,${enable_languages}, in
1814 *) enable_languages="${enable_languages},lto" ;;
1816 if test "${build_lto_plugin}" = "yes" ; then
1817 configdirs="$configdirs lto-plugin"
1818 extra_host_libiberty_configure_flags=--enable-shared
1821 AC_SUBST(extra_host_libiberty_configure_flags)
1823 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1824 potential_languages=,c,
1826 enabled_target_libs=
1827 disabled_target_libs=
1829 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1830 case ${lang_frag} in
1832 # The odd quoting in the next line works around
1833 # an apparent bug in bash 1.12 on linux.
1834 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1836 # From the config-lang.in, get $language, $target_libs,
1837 # $lang_dirs, $boot_language, and $build_by_default
1843 build_by_default=yes
1845 if test x${language} = x; then
1846 echo "${lang_frag} doesn't set \$language." 1>&2
1850 if test "$language" = "c++" \
1851 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1855 case ,${enable_languages}, in
1857 # Language was explicitly selected; include it.
1861 # 'all' was selected, select it if it is a default language
1862 add_this_lang=${build_by_default}
1869 # Disable languages that need other directories if these aren't available.
1870 for i in $subdir_requires; do
1871 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1872 case ,${enable_languages}, in
1874 # Specifically requested language; tell them.
1875 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1879 add_this_lang=unsupported
1884 # Disable Ada if no preexisting GNAT is available.
1885 case ,${enable_languages},:${language}:${have_gnat} in
1886 *,${language},*:ada:no)
1887 # Specifically requested language; tell them.
1888 AC_MSG_ERROR([GNAT is required to build $language])
1892 add_this_lang=unsupported
1896 # Disable a language that is unsupported by the target.
1897 case " $unsupported_languages " in
1899 add_this_lang=unsupported
1903 case $add_this_lang in
1905 # Remove language-dependent dirs.
1906 disabled_target_libs="$disabled_target_libs $target_libs"
1907 noconfigdirs="$noconfigdirs $lang_dirs"
1910 # Remove language-dependent dirs; still show language as supported.
1911 disabled_target_libs="$disabled_target_libs $target_libs"
1912 noconfigdirs="$noconfigdirs $lang_dirs"
1913 potential_languages="${potential_languages}${language},"
1916 new_enable_languages="${new_enable_languages}${language},"
1917 potential_languages="${potential_languages}${language},"
1918 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1919 enabled_target_libs="$enabled_target_libs $target_libs"
1920 case "${boot_language}:,$enable_stage1_languages," in
1921 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1922 # Add to (comma-separated) list of stage 1 languages.
1923 case ",$stage1_languages," in
1924 *,$language,* | ,yes, | ,all,) ;;
1925 *) stage1_languages="${stage1_languages}${language}," ;;
1927 # We need to bootstrap any supporting libraries.
1928 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1937 # Add target libraries which are only needed for disabled languages
1939 if test -n "$disabled_target_libs"; then
1940 for dir in $disabled_target_libs; do
1941 case " $enabled_target_libs " in
1943 *) noconfigdirs="$noconfigdirs $dir" ;;
1948 AC_ARG_ENABLE(stage1-languages,
1949 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1950 stage1. Mostly useful for compiler development.],
1951 [case ,${enable_stage1_languages}, in
1953 # Set it to something that will have no effect in the loop below
1954 enable_stage1_languages=c ;;
1956 enable_stage1_languages=`echo $new_enable_languages | \
1957 sed -e "s/^,//" -e "s/,$//" ` ;;
1959 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1960 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1963 # Add "good" languages from enable_stage1_languages to stage1_languages,
1964 # while "bad" languages go in missing_languages. Leave no duplicates.
1965 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1966 case $potential_languages in
1968 case $stage1_languages in
1970 *) stage1_languages="$stage1_languages$i," ;;
1973 case $missing_languages in
1975 *) missing_languages="$missing_languages$i," ;;
1980 # Remove leading/trailing commas that were added for simplicity
1981 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1982 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1983 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1984 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1986 if test "x$missing_languages" != x; then
1988 The following requested languages could not be built: ${missing_languages}
1989 Supported languages are: ${potential_languages}])
1991 if test "x$new_enable_languages" != "x$enable_languages"; then
1992 echo The following languages will be built: ${new_enable_languages}
1993 enable_languages="$new_enable_languages"
1996 AC_SUBST(stage1_languages)
1997 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2000 # Handle --disable-<component> generically.
2001 for dir in $configdirs $build_configdirs $target_configdirs ; do
2002 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2003 varname=`echo $dirname | sed -e s/+/_/g`
2004 if eval test x\${enable_${varname}} "=" xno ; then
2005 noconfigdirs="$noconfigdirs $dir"
2009 # Check for Boehm's garbage collector
2010 AC_ARG_ENABLE(objc-gc,
2011 [ --enable-objc-gc enable use of Boehm's garbage collector with the
2012 GNU Objective-C runtime],
2013 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2014 *,objc,*:*:yes:*target-boehm-gc*)
2015 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2019 # Make sure we only build Boehm's garbage collector if required.
2020 case ,${enable_languages},:${enable_objc_gc} in
2022 # Keep target-boehm-gc if requested for Objective-C.
2025 # Otherwise remove target-boehm-gc depending on target-libjava.
2026 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2027 noconfigdirs="$noconfigdirs target-boehm-gc"
2032 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2033 # $build_configdirs and $target_configdirs.
2034 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2037 for dir in . $skipdirs $noconfigdirs ; do
2038 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2039 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2040 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2041 if test -r $srcdir/$dirname/configure ; then
2042 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2045 notsupp="$notsupp $dir"
2049 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2050 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2051 if test -r $srcdir/$dirname/configure ; then
2052 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2055 notsupp="$notsupp $dir"
2059 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2060 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2061 if test -r $srcdir/$dirname/configure ; then
2062 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2065 notsupp="$notsupp $dir"
2071 # Sometimes the tools are distributed with libiberty but with no other
2072 # libraries. In that case, we don't want to build target-libiberty.
2073 # Don't let libgcc imply libiberty either.
2074 if test -n "${target_configdirs}" ; then
2077 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2078 if test "$i" = "libgcc"; then
2079 libgcc=target-libgcc
2080 elif test "$i" != "libiberty" ; then
2081 if test -r $srcdir/$i/configure ; then
2087 if test -z "${others}" ; then
2088 target_configdirs=$libgcc
2092 # Quietly strip out all directories which aren't configurable in this tree.
2093 # This relies on all configurable subdirectories being autoconfiscated, which
2095 build_configdirs_all="$build_configdirs"
2097 for i in ${build_configdirs_all} ; do
2098 j=`echo $i | sed -e s/build-//g`
2099 if test -f ${srcdir}/$j/configure ; then
2100 build_configdirs="${build_configdirs} $i"
2104 configdirs_all="$configdirs"
2106 for i in ${configdirs_all} ; do
2107 if test -f ${srcdir}/$i/configure ; then
2108 configdirs="${configdirs} $i"
2112 target_configdirs_all="$target_configdirs"
2114 for i in ${target_configdirs_all} ; do
2115 j=`echo $i | sed -e s/target-//g`
2116 if test -f ${srcdir}/$j/configure ; then
2117 target_configdirs="${target_configdirs} $i"
2121 # Produce a warning message for the subdirs we can't configure.
2122 # This isn't especially interesting in the Cygnus tree, but in the individual
2123 # FSF releases, it's important to let people know when their machine isn't
2124 # supported by the one or two programs in a package.
2126 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2127 # If $appdirs is non-empty, at least one of those directories must still
2128 # be configured, or we error out. (E.g., if the gas release supports a
2129 # specified target in some subdirs but not the gas subdir, we shouldn't
2130 # pretend that all is well.)
2131 if test -n "$appdirs" ; then
2132 for dir in $appdirs ; do
2133 if test -r $dir/Makefile.in ; then
2134 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2138 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2144 if test -n "$appdirs" ; then
2145 echo "*** This configuration is not supported by this package." 1>&2
2149 # Okay, some application will build, or we don't care to check. Still
2150 # notify of subdirs not getting built.
2151 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2152 echo " ${notsupp}" 1>&2
2153 echo " (Any other directories should still work fine.)" 1>&2
2161 # To find our prefix, in gcc_cv_tool_prefix.
2166 AC_ARG_WITH([build-sysroot],
2167 [ --with-build-sysroot=SYSROOT
2168 use sysroot as the system root during the build],
2169 [if test x"$withval" != x ; then
2170 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2172 [SYSROOT_CFLAGS_FOR_TARGET=])
2173 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2175 AC_ARG_WITH([debug-prefix-map],
2176 [ --with-debug-prefix-map='A=B C=D ...'
2177 map A to B, C to D ... in debug information],
2178 [if test x"$withval" != x; then
2179 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2180 for debug_map in $withval; do
2181 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2184 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2185 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2187 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2188 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2189 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2190 # We want to ensure that TARGET libraries (which we know are built with
2191 # gcc) are built with "-O2 -g", so include those options when setting
2192 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2193 if test "x$CFLAGS_FOR_TARGET" = x; then
2194 CFLAGS_FOR_TARGET=$CFLAGS
2197 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2200 *" -g "* | *" -g3 "*) ;;
2201 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2204 AC_SUBST(CFLAGS_FOR_TARGET)
2206 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2207 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2208 case " $CXXFLAGS " in
2210 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2212 case " $CXXFLAGS " in
2213 *" -g "* | *" -g3 "*) ;;
2214 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2217 AC_SUBST(CXXFLAGS_FOR_TARGET)
2219 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2220 # the named directory are copied to $(tooldir)/sys-include.
2221 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2222 if test x${is_cross_compiler} = xno ; then
2223 echo 1>&2 '***' --with-headers is only supported when cross compiling
2226 if test x"${with_headers}" != xyes ; then
2227 x=${gcc_cv_tool_prefix}
2228 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2232 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2233 # the name directories are copied to $(tooldir)/lib. Multiple directories
2235 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2236 if test x${is_cross_compiler} = xno ; then
2237 echo 1>&2 '***' --with-libs is only supported when cross compiling
2240 if test x"${with_libs}" != xyes ; then
2241 # Copy the libraries in reverse order, so that files in the first named
2242 # library override files in subsequent libraries.
2243 x=${gcc_cv_tool_prefix}
2244 for l in ${with_libs}; do
2245 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2250 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2252 # This is done by determining whether or not the appropriate directory
2253 # is available, and by checking whether or not specific configurations
2254 # have requested that this magic not happen.
2256 # The command line options always override the explicit settings in
2257 # configure.in, and the settings in configure.in override this magic.
2259 # If the default for a toolchain is to use GNU as and ld, and you don't
2260 # want to do that, then you should use the --without-gnu-as and
2261 # --without-gnu-ld options for the configure script. Similarly, if
2262 # the default is to use the included zlib and you don't want to do that,
2263 # you should use the --with-system-zlib option for the configure script.
2265 if test x${use_gnu_as} = x &&
2266 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2268 extra_host_args="$extra_host_args --with-gnu-as"
2271 if test x${use_gnu_ld} = x &&
2272 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2274 extra_host_args="$extra_host_args --with-gnu-ld"
2277 if test x${use_included_zlib} = x &&
2278 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2281 with_system_zlib=yes
2282 extra_host_args="$extra_host_args --with-system-zlib"
2285 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2286 # can detect this case.
2288 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2290 extra_host_args="$extra_host_args --with-newlib"
2293 # Handle ${copy_dirs}
2294 set fnord ${copy_dirs}
2296 while test $# != 0 ; do
2297 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2300 echo Copying $1 to $2
2302 # Use the install script to create the directory and all required
2303 # parent directories.
2304 if test -d $2 ; then
2308 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2311 # Copy the directory, assuming we have tar.
2312 # FIXME: Should we use B in the second tar? Not all systems support it.
2313 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2315 # It is the responsibility of the user to correctly adjust all
2316 # symlinks. If somebody can figure out how to handle them correctly
2317 # here, feel free to add the code.
2324 # Determine a target-dependent exec_prefix that the installed
2325 # gcc will search in. Keep this list sorted by triplet, with
2326 # the *-*-osname triplets last.
2330 md_exec_prefix=/gnu/lib/gcc-lib
2332 i[[34567]]86-pc-msdosdjgpp*)
2333 md_exec_prefix=/dev/env/DJDIR/bin
2335 i[[34567]]86-*-sco3.2v5*)
2336 if test $with_gnu_as = yes; then
2337 md_exec_prefix=/usr/gnu/bin
2339 md_exec_prefix=/usr/ccs/bin/elf
2344 powerpc-*-chorusos* | \
2345 powerpc*-*-eabi* | \
2346 powerpc*-*-sysv* | \
2347 powerpc*-*-kaos* | \
2349 md_exec_prefix=/usr/ccs/bin
2354 md_exec_prefix=/usr/ccs/bin
2369 md_exec_prefix=/usr/ccs/bin
2373 extra_arflags_for_target=
2374 extra_nmflags_for_target=
2375 extra_ranlibflags_for_target=
2376 target_makefile_frag=/dev/null
2379 target_makefile_frag="config/mt-mep"
2382 target_makefile_frag="config/mt-spu"
2385 target_makefile_frag="config/mt-sde"
2387 mipsisa*-*-elfoabi*)
2388 target_makefile_frag="config/mt-mips-elfoabi"
2390 mips*-*-*linux* | mips*-*-gnu*)
2391 target_makefile_frag="config/mt-mips-gnu"
2394 target_makefile_frag="config/mt-netware"
2396 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2397 target_makefile_frag="config/mt-gnu"
2399 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2400 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2401 # commands to handle both 32-bit and 64-bit objects. These flags are
2402 # harmless if we're using GNU nm or ar.
2403 extra_arflags_for_target=" -X32_64"
2404 extra_nmflags_for_target=" -B -X32_64"
2407 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2408 extra_ranlibflags_for_target=" -c"
2410 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2411 target_makefile_frag="config/mt-wince"
2415 alphaieee_frag=/dev/null
2418 # This just makes sure to use the -mieee option to build target libs.
2419 # This should probably be set individually by each library.
2420 alphaieee_frag="config/mt-alphaieee"
2424 # If --enable-target-optspace always use -Os instead of -O2 to build
2425 # the target libraries, similarly if it is not specified, use -Os
2426 # on selected platforms.
2427 ospace_frag=/dev/null
2428 case "${enable_target_optspace}:${target}" in
2430 ospace_frag="config/mt-ospace"
2433 ospace_frag="config/mt-d30v"
2435 :m32r-* | :d10v-* | :fr30-*)
2436 ospace_frag="config/mt-ospace"
2441 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2445 # Default to using --with-stabs for certain targets.
2446 if test x${with_stabs} = x ; then
2448 mips*-*-irix[[56]]*)
2450 mips*-*-* | alpha*-*-osf*)
2452 extra_host_args="${extra_host_args} --with-stabs"
2457 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2458 # them automatically.
2461 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2465 # Some systems (e.g., one of the i386-aix systems the gas testers are
2466 # using) don't handle "\$" correctly, so don't use it here.
2467 tooldir='${exec_prefix}'/${target_noncanonical}
2468 build_tooldir=${tooldir}
2470 # Create a .gdbinit file which runs the one in srcdir
2471 # and tells GDB to look there for source files.
2473 if test -r ${srcdir}/.gdbinit ; then
2476 *) cat > ./.gdbinit <<EOF
2480 source ${srcdir}/.gdbinit
2486 # Make sure that the compiler is able to generate an executable. If it
2487 # can't, we are probably in trouble. We don't care whether we can run the
2488 # executable--we might be using a cross compiler--we only care whether it
2489 # can be created. At this point the main configure script has set CC.
2491 echo "int main () { return 0; }" > conftest.c
2492 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2493 if test $? = 0 ; then
2494 if test -s conftest || test -s conftest.exe ; then
2500 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2501 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2508 # The Solaris /usr/ucb/cc compiler does not appear to work.
2510 sparc-sun-solaris2*)
2511 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2512 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2514 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2515 if test -d /opt/cygnus/bin ; then
2516 if test "$could_use" = "" ; then
2517 could_use="/opt/cygnus/bin"
2519 could_use="$could_use or /opt/cygnus/bin"
2522 if test "$could_use" = "" ; then
2523 echo "Warning: compilation may fail because you're using"
2524 echo "/usr/ucb/cc. You should change your PATH or CC "
2525 echo "variable and rerun configure."
2527 echo "Warning: compilation may fail because you're using"
2528 echo "/usr/ucb/cc, when you should use the C compiler from"
2529 echo "$could_use. You should change your"
2530 echo "PATH or CC variable and rerun configure."
2536 # Decide which environment variable is used to find dynamic libraries.
2538 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2539 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2540 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2541 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2544 # On systems where the dynamic library environment variable is PATH,
2545 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2546 # built executables to PATH.
2547 if test "$RPATH_ENVVAR" = PATH; then
2548 GCC_SHLIB_SUBDIR=/shlib
2553 # Record target_configdirs and the configure arguments for target and
2554 # build configuration in Makefile.
2555 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2556 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2558 # If we are building libgomp, bootstrap it.
2559 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2560 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2563 # Determine whether gdb needs tk/tcl or not.
2564 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2565 # and in that case we want gdb to be built without tk. Ugh!
2566 # In fact I believe gdb is the *only* package directly dependent on tk,
2567 # so we should be able to put the 'maybe's in unconditionally and
2568 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2569 # 100% sure that that's safe though.
2571 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2572 case "$enable_gdbtk" in
2576 GDB_TK="${gdb_tk}" ;;
2578 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2579 # distro. Eventually someone will fix this and move Insight, nee
2580 # gdbtk to a separate directory.
2581 if test -d ${srcdir}/gdb/gdbtk ; then
2588 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2589 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2591 # Strip out unwanted targets.
2593 # While at that, we remove Makefiles if we were started for recursive
2594 # configuration, so that the top-level Makefile reconfigures them,
2595 # like we used to do when configure itself was recursive.
2597 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2598 # but now we're fixing up the Makefile ourselves with the additional
2599 # commands passed to AC_CONFIG_FILES. Use separate variables
2600 # extrasub-{build,host,target} not because there is any reason to split
2601 # the substitutions up that way, but only to remain below the limit of
2602 # 99 commands in a script, for HP-UX sed.
2603 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2605 AC_ARG_ENABLE([bootstrap],
2606 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2607 enable_bootstrap=default)
2609 # Issue errors and warnings for invalid/strange bootstrap combinations.
2610 case "$configdirs" in
2611 *gcc*) have_compiler=yes ;;
2612 *) have_compiler=no ;;
2615 case "$have_compiler:$host:$target:$enable_bootstrap" in
2618 # Default behavior. Enable bootstrap if we have a compiler
2619 # and we are in a native configuration.
2620 yes:$build:$build:default)
2621 enable_bootstrap=yes ;;
2624 enable_bootstrap=no ;;
2626 # We have a compiler and we are in a native configuration, bootstrap is ok
2627 yes:$build:$build:yes)
2630 # Other configurations, but we have a compiler. Assume the user knows
2633 AC_MSG_WARN([trying to bootstrap a cross compiler])
2636 # No compiler: if they passed --enable-bootstrap explicitly, fail
2638 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2640 # Fail if wrong command line
2642 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2646 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2649 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2653 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2654 yes:yes:*\ gold\ *:*,c++,*) ;;
2655 yes:yes:*\ gold\ *:*)
2656 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2660 # Adjust the toplevel makefile according to whether bootstrap was selected.
2661 case $enable_bootstrap in
2663 bootstrap_suffix=bootstrap
2664 BUILD_CONFIG=bootstrap-debug
2667 bootstrap_suffix=no-bootstrap
2672 AC_MSG_CHECKING(for default BUILD_CONFIG)
2674 AC_ARG_WITH([build-config],
2675 [--with-build-config='NAME NAME2...'
2676 Use config/NAME.mk build configuration],
2677 [case $with_build_config in
2678 yes) with_build_config= ;;
2679 no) with_build_config= BUILD_CONFIG= ;;
2682 if test "x${with_build_config}" != x; then
2683 BUILD_CONFIG=$with_build_config
2685 case $BUILD_CONFIG in
2687 if echo "int f (void) { return 0; }" > conftest.c &&
2688 ${CC} -c conftest.c &&
2689 mv conftest.o conftest.o.g0 &&
2690 ${CC} -c -g conftest.c &&
2691 mv conftest.o conftest.o.g &&
2692 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2697 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2701 AC_MSG_RESULT($BUILD_CONFIG)
2702 AC_SUBST(BUILD_CONFIG)
2705 for module in ${build_configdirs} ; do
2706 if test -z "${no_recursion}" \
2707 && test -f ${build_subdir}/${module}/Makefile; then
2708 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2709 rm -f ${build_subdir}/${module}/Makefile
2711 extrasub_build="$extrasub_build
2712 /^@if build-$module\$/d
2713 /^@endif build-$module\$/d
2714 /^@if build-$module-$bootstrap_suffix\$/d
2715 /^@endif build-$module-$bootstrap_suffix\$/d"
2718 for module in ${configdirs} ; do
2719 if test -z "${no_recursion}"; then
2720 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2721 if test -f ${file}; then
2722 echo 1>&2 "*** removing ${file} to force reconfigure"
2727 extrasub_host="$extrasub_host
2729 /^@endif $module\$/d
2730 /^@if $module-$bootstrap_suffix\$/d
2731 /^@endif $module-$bootstrap_suffix\$/d"
2734 for module in ${target_configdirs} ; do
2735 if test -z "${no_recursion}" \
2736 && test -f ${target_subdir}/${module}/Makefile; then
2737 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2738 rm -f ${target_subdir}/${module}/Makefile
2741 # We only bootstrap target libraries listed in bootstrap_target_libs.
2742 case $bootstrap_target_libs in
2743 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2744 *) target_bootstrap_suffix=no-bootstrap ;;
2747 extrasub_target="$extrasub_target
2748 /^@if target-$module\$/d
2749 /^@endif target-$module\$/d
2750 /^@if target-$module-$target_bootstrap_suffix\$/d
2751 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2754 # Do the final fixup along with target modules.
2755 extrasub_target="$extrasub_target
2756 /^@if /,/^@endif /d"
2758 # Create the serialization dependencies. This uses a temporary file.
2760 AC_ARG_ENABLE([serial-configure],
2761 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2762 force sequential configuration of
2763 sub-packages for the host, target or build
2764 machine, or all sub-packages])
2766 case ${enable_serial_configure} in
2768 enable_serial_build_configure=yes
2769 enable_serial_host_configure=yes
2770 enable_serial_target_configure=yes
2774 # These force 'configure's to be done one at a time, to avoid problems
2775 # with contention over a shared config.cache.
2777 echo '# serdep.tmp' > serdep.tmp
2779 test "x${enable_serial_build_configure}" = xyes &&
2780 for item in ${build_configdirs} ; do
2783 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2788 test "x${enable_serial_host_configure}" = xyes &&
2789 for item in ${configdirs} ; do
2792 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2797 test "x${enable_serial_target_configure}" = xyes &&
2798 for item in ${target_configdirs} ; do
2801 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2805 serialization_dependencies=serdep.tmp
2806 AC_SUBST_FILE(serialization_dependencies)
2808 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2809 # target, nonopt, and variable assignments. These are the ones we
2810 # might not want to pass down to subconfigures. The exception being
2811 # --cache-file=/dev/null, which is used to turn off the use of cache
2812 # files altogether, and which should be passed on to subconfigures.
2813 # Also strip program-prefix, program-suffix, and program-transform-name,
2814 # so that we can pass down a consistent program-transform-name.
2818 eval "set -- $ac_configure_args"
2821 if test X"$skip_next" = X"yes"; then
2825 if test X"$keep_next" = X"yes"; then
2828 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2830 baseargs="$baseargs '$ac_arg'"
2835 # Handle separated arguments. Based on the logic generated by
2838 *=* | --config-cache | -C | -disable-* | --disable-* \
2839 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2840 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2841 | -with-* | --with-* | -without-* | --without-* | --x)
2853 --cache-file=/dev/null | \
2854 -cache-file=/dev/null )
2855 # Handled here to avoid the test to skip args below.
2856 baseargs="$baseargs '$ac_arg'"
2857 # Assert: $separate_arg should always be no.
2858 keep_next=$separate_arg
2874 -program-prefix* | \
2875 -program-suffix* | \
2876 -program-transform-name* )
2877 skip_next=$separate_arg
2881 # An option. Add it.
2884 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2886 baseargs="$baseargs '$ac_arg'"
2887 keep_next=$separate_arg
2890 # Either a variable assignment, or a nonopt (triplet). Don't
2891 # pass it down; let the Makefile handle this.
2896 # Remove the initial space we just introduced and, as these will be
2897 # expanded by make, quote '$'.
2898 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2900 # Add in --program-transform-name, after --program-prefix and
2901 # --program-suffix have been applied to it. Autoconf has already
2902 # doubled dollar signs and backslashes in program_transform_name; we want
2903 # the backslashes un-doubled, and then the entire thing wrapped in single
2904 # quotes, because this will be expanded first by make and then by the shell.
2905 # Also, because we want to override the logic in subdir configure scripts to
2906 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2907 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2908 ${program_transform_name}
2910 gcc_transform_name=`cat conftestsed.out`
2911 rm -f conftestsed.out
2912 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2913 if test "$silent" = yes; then
2914 baseargs="$baseargs --silent"
2916 baseargs="$baseargs --disable-option-checking"
2918 # Record and document user additions to sub configure arguments.
2919 AC_ARG_VAR([build_configargs],
2920 [additional configure arguments for build directories])
2921 AC_ARG_VAR([host_configargs],
2922 [additional configure arguments for host directories])
2923 AC_ARG_VAR([target_configargs],
2924 [additional configure arguments for target directories])
2926 # For the build-side libraries, we just need to pretend we're native,
2927 # and not use the same cache file. Multilibs are neither needed nor
2929 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2931 # For host modules, accept cache file option, or specification as blank.
2932 case "${cache_file}" in
2934 cache_file_option="" ;;
2935 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2936 cache_file_option="--cache-file=${cache_file}" ;;
2938 cache_file_option="--cache-file=../${cache_file}" ;;
2941 # Host dirs don't like to share a cache file either, horribly enough.
2942 # This seems to be due to autoconf 2.5x stupidity.
2943 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2945 target_configargs="$target_configargs ${baseargs}"
2947 # Passing a --with-cross-host argument lets the target libraries know
2948 # whether they are being built with a cross-compiler or being built
2949 # native. However, it would be better to use other mechanisms to make the
2950 # sorts of decisions they want to make on this basis. Please consider
2951 # this option to be deprecated. FIXME.
2952 if test x${is_cross_compiler} = xyes ; then
2953 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2956 # Default to --enable-multilib.
2957 if test x${enable_multilib} = x ; then
2958 target_configargs="--enable-multilib ${target_configargs}"
2961 # Pass --with-newlib if appropriate. Note that target_configdirs has
2962 # changed from the earlier setting of with_newlib.
2963 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2964 target_configargs="--with-newlib ${target_configargs}"
2967 # Different target subdirs use different values of certain variables
2968 # (notably CXX). Worse, multilibs use *lots* of different values.
2969 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2970 # it doesn't automatically accept command-line overrides of them.
2971 # This means it's not safe for target subdirs to share a cache file,
2972 # which is disgusting, but there you have it. Hopefully this can be
2973 # fixed in future. It's still worthwhile to use a cache file for each
2974 # directory. I think.
2976 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2977 # We need to pass --target, as newer autoconf's requires consistency
2978 # for target_alias and gcc doesn't manage it consistently.
2979 target_configargs="--cache-file=./config.cache ${target_configargs}"
2982 case " $target_configdirs " in
2984 case " $target_configargs " in
2985 *" --with-newlib "*)
2988 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 $$s/winsup/w32api/include'
2992 # If we're not building GCC, don't discard standard headers.
2993 if test -d ${srcdir}/gcc; then
2994 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2996 if test "${build}" != "${host}"; then
2997 # On Canadian crosses, CC_FOR_TARGET will have already been set
2998 # by `configure', so we won't have an opportunity to add -Bgcc/
2999 # to it. This is right: we don't want to search that directory
3000 # for binaries, but we want the header files in there, so add
3002 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3004 # Someone might think of using the pre-installed headers on
3005 # Canadian crosses, in case the installed compiler is not fully
3006 # compatible with the compiler being built. In this case, it
3007 # would be better to flag an error than risking having
3008 # incompatible object files being constructed. We can't
3009 # guarantee that an error will be flagged, but let's hope the
3010 # compiler will do it, when presented with incompatible header
3015 case "${target}-${is_cross_compiler}" in
3016 i[[3456789]]86-*-linux*-no)
3017 # Here host == target, so we don't need to build gcc,
3018 # so we don't want to discard standard headers.
3019 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3022 # If we're building newlib, use its generic headers last, but search
3023 # for any libc-related directories first (so make it the last -B
3025 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3027 # If we're building libgloss, find the startup file, simulator library
3028 # and linker script.
3029 case " $target_configdirs " in
3031 # Look for startup file, simulator library and maybe linker script.
3032 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3033 # Look for libnosys.a in case the target needs it.
3034 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3035 # Most targets have the linker script in the source directory.
3036 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3047 x86_64-*mingw* | *-w64-mingw*)
3048 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3049 # however, use a symlink named 'mingw' in ${prefix} .
3050 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3053 # MinGW can't be handled as Cygwin above since it does not use newlib.
3054 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3058 # Allow the user to override the flags for
3059 # our build compiler if desired.
3060 if test x"${build}" = x"${host}" ; then
3061 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3062 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3063 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3066 # On Canadian crosses, we'll be searching the right directories for
3067 # the previously-installed cross compiler, so don't bother to add
3068 # flags for directories within the install tree of the compiler
3069 # being built; programs in there won't even run.
3070 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3071 # Search for pre-installed headers if nothing else fits.
3072 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3075 if test "x${use_gnu_ld}" = x &&
3076 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3077 # Arrange for us to find uninstalled linker scripts.
3078 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3081 # Search for other target-specific linker scripts and such.
3084 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3088 # Makefile fragments.
3089 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3091 eval fragval=\$$frag
3092 if test $fragval != /dev/null; then
3093 eval $frag=${srcdir}/$fragval
3096 AC_SUBST_FILE(host_makefile_frag)
3097 AC_SUBST_FILE(target_makefile_frag)
3098 AC_SUBST_FILE(alphaieee_frag)
3099 AC_SUBST_FILE(ospace_frag)
3101 # Miscellanea: directories, flags, etc.
3102 AC_SUBST(RPATH_ENVVAR)
3103 AC_SUBST(GCC_SHLIB_SUBDIR)
3105 AC_SUBST(build_tooldir)
3106 AC_SUBST(CONFIGURE_GDB_TK)
3108 AC_SUBST(INSTALL_GDB_TK)
3110 # Build module lists & subconfigure args.
3111 AC_SUBST(build_configargs)
3112 AC_SUBST(build_configdirs)
3114 # Host module lists & subconfigure args.
3115 AC_SUBST(host_configargs)
3116 AC_SUBST(configdirs)
3117 AC_SUBST(target_configdirs)
3119 # Target module lists & subconfigure args.
3120 AC_SUBST(target_configargs)
3124 AC_SUBST(AR_FOR_BUILD)
3125 AC_SUBST(AS_FOR_BUILD)
3126 AC_SUBST(CC_FOR_BUILD)
3127 AC_SUBST(CFLAGS_FOR_BUILD)
3128 AC_SUBST(CXXFLAGS_FOR_BUILD)
3129 AC_SUBST(CXX_FOR_BUILD)
3130 AC_SUBST(DLLTOOL_FOR_BUILD)
3131 AC_SUBST(GCJ_FOR_BUILD)
3132 AC_SUBST(GFORTRAN_FOR_BUILD)
3133 AC_SUBST(GOC_FOR_BUILD)
3134 AC_SUBST(LDFLAGS_FOR_BUILD)
3135 AC_SUBST(LD_FOR_BUILD)
3136 AC_SUBST(NM_FOR_BUILD)
3137 AC_SUBST(RANLIB_FOR_BUILD)
3138 AC_SUBST(WINDMC_FOR_BUILD)
3139 AC_SUBST(WINDRES_FOR_BUILD)
3140 AC_SUBST(config_shell)
3142 # Generate default definitions for YACC, M4, LEX and other programs that run
3143 # on the build machine. These are used if the Makefile can't locate these
3144 # programs in objdir.
3145 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3147 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3148 case " $build_configdirs " in
3149 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3150 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3153 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3154 case " $build_configdirs " in
3155 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3158 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3159 case " $build_configdirs " in
3160 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3163 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3164 case " $build_configdirs " in
3165 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3166 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3169 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3170 case " $build_configdirs " in
3171 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3174 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3175 case " $build_configdirs " in
3176 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3179 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3180 # higher, else we use the "missing" dummy.
3181 if ${MAKEINFO} --version \
3182 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3185 MAKEINFO="$MISSING makeinfo"
3191 # FIXME: expect and dejagnu may become build tools?
3193 AC_CHECK_PROGS(EXPECT, expect, expect)
3194 case " $configdirs " in
3196 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3200 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3201 case " $configdirs " in
3203 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3209 NCN_STRICT_CHECK_TOOLS(AR, ar)
3210 NCN_STRICT_CHECK_TOOLS(AS, as)
3211 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3212 NCN_STRICT_CHECK_TOOLS(LD, ld)
3213 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3214 NCN_STRICT_CHECK_TOOLS(NM, nm)
3215 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3216 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3217 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3218 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3219 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3220 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3227 AC_ARG_WITH([build-time-tools],
3228 [ --with-build-time-tools=PATH
3229 use given path to find target tools during the build],
3230 [case x"$withval" in
3233 with_build_time_tools=
3234 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3237 [with_build_time_tools=])
3239 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3240 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3241 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3242 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3243 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3244 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3246 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3247 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3248 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3249 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3250 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3251 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3252 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3253 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3254 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3255 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3256 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3258 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3260 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3261 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3262 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3263 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3264 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3265 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3267 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3268 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3270 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3271 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3272 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3273 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3274 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3275 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3276 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3277 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3278 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3279 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3280 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3281 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3282 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3283 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3284 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3285 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3287 AC_SUBST(FLAGS_FOR_TARGET)
3288 AC_SUBST(RAW_CXX_FOR_TARGET)
3290 # Certain tools may need extra flags.
3291 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3292 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3293 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3295 # When building target libraries, except in a Canadian cross, we use
3296 # the same toolchain as the compiler we just built.
3297 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3298 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3299 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3300 if test $host = $build; then
3301 case " $configdirs " in
3303 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3304 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3305 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3310 AC_SUBST(COMPILER_AS_FOR_TARGET)
3311 AC_SUBST(COMPILER_LD_FOR_TARGET)
3312 AC_SUBST(COMPILER_NM_FOR_TARGET)
3314 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3315 AC_ARG_ENABLE(maintainer-mode,
3316 [ --enable-maintainer-mode enable make rules and dependencies not useful
3317 (and sometimes confusing) to the casual installer],
3318 USE_MAINTAINER_MODE=$enableval,
3319 USE_MAINTAINER_MODE=no)
3320 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3321 AC_SUBST(MAINTAINER_MODE_TRUE)
3322 AC_SUBST(MAINTAINER_MODE_FALSE)
3323 if test "$USE_MAINTAINER_MODE" = yes; then
3324 MAINTAINER_MODE_TRUE=
3325 MAINTAINER_MODE_FALSE='#'
3327 MAINTAINER_MODE_TRUE='#'
3328 MAINTAINER_MODE_FALSE=
3330 MAINT=$MAINTAINER_MODE_TRUE
3333 # ---------------------
3334 # GCC bootstrap support
3335 # ---------------------
3337 # Stage specific cflags for build.
3342 yes) stage1_cflags="-g -Wa,-J" ;;
3343 *) stage1_cflags="-g -J" ;;
3347 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3348 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3349 saved_CFLAGS="$CFLAGS"
3351 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3352 CFLAGS="$CFLAGS -fkeep-inline-functions"
3353 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3355 #if (__GNUC__ < 3) \
3356 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3357 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3358 #error http://gcc.gnu.org/PR29382
3361 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3362 [AC_MSG_RESULT([no])])
3364 CFLAGS="$saved_CFLAGS"
3367 AC_SUBST(stage1_cflags)
3369 # Enable --enable-checking in stage1 of the compiler.
3370 AC_ARG_ENABLE(stage1-checking,
3371 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3373 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3374 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3375 stage1_checking=--enable-checking=yes,types
3377 stage1_checking=--enable-checking=$enable_checking,types
3379 AC_SUBST(stage1_checking)
3381 # Enable -Werror in bootstrap stage2 and later.
3382 AC_ARG_ENABLE(werror,
3383 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3384 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3389 case ${enable_werror} in
3390 yes) stage2_werror_flag="--enable-werror-always" ;;
3391 *) stage2_werror_flag="" ;;
3393 AC_SUBST(stage2_werror_flag)
3395 # Specify what files to not compare during bootstrap.
3397 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3399 hppa*64*-*-hpux*) ;;
3400 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3402 case " $configdirs " in
3403 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3405 AC_SUBST(compare_exclusions)
3407 AC_CONFIG_FILES([Makefile],
3408 [sed "$extrasub_build" Makefile |
3409 sed "$extrasub_host" |
3410 sed "$extrasub_target" > mf$$
3411 mv -f mf$$ Makefile],
3412 [extrasub_build="$extrasub_build"
3413 extrasub_host="$extrasub_host"
3414 extrasub_target="$extrasub_target"])