1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 ### we might need to use some other shell than /bin/sh for running subshells
93 ### If we are on Windows, search for the shell. This will permit people
94 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
95 ### without also having to set CONFIG_SHELL. This code will work when
96 ### using bash, which sets OSTYPE.
99 if test x${CONFIG_SHELL} = x ; then
100 if test ! -f /bin/sh ; then
101 if test x${SHELL} != x && test -f ${SHELL} ; then
102 CONFIG_SHELL=${SHELL}
105 for prog in sh sh.exe bash bash.exe; do
106 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
108 test -z "$dir" && dir=.
109 if test -f $dir/$prog; then
110 CONFIG_SHELL=$dir/$prog
116 test -n "${CONFIG_SHELL}" && break
124 config_shell=${CONFIG_SHELL-/bin/sh}
126 moveifchange=${srcdir}/move-if-change
128 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
130 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
132 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
133 INSTALL="${srcpwd}/install-sh -c"
136 # Set srcdir to "." if that's what it is.
137 # This is important for multilib support.
139 if test "${pwd}" = "${srcpwd}" ; then
147 ### To add a new directory to the tree, first choose whether it is a target
148 ### or a host dependent tool. Then put it into the appropriate list
149 ### (library or tools, host or target), doing a dependency sort.
151 # Subdirs will be configured in the order listed in build_configdirs,
152 # configdirs, or target_configdirs; see the serialization section below.
154 # Dependency sorting is only needed when *configuration* must be done in
155 # a particular order. In all cases a dependency should be specified in
156 # the Makefile, whether or not it's implicitly specified here.
158 # Double entries in build_configdirs, configdirs, or target_configdirs may
159 # cause circular dependencies and break everything horribly.
161 # these library is used by various programs built for the build
164 build_libs="build-libiberty"
166 # these tools are built for the build environment
167 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
169 # these libraries are used by various programs built for the host environment
171 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
173 # these tools are built for the host environment
174 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
175 # know that we are building the simulator.
176 # binutils, gas and ld appear in that order because it makes sense to run
177 # "make check" in that particular order.
178 # If --enable-gold is used, "gold" may replace "ld".
179 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
181 # libgcj represents the runtime libraries only used by gcj.
182 libgcj="target-libffi \
187 # these libraries are built for the target environment, and are built after
188 # the host libraries and the host tools (which may be a cross compiler)
190 target_libraries="target-libgcc \
195 target-libstdc++-v3 \
206 # these tools are built using the target libraries, and are intended to
207 # run only in the target environment
209 # note: any program that *uses* libraries that are in the "target_libraries"
210 # list belongs in this list. those programs are also very likely
211 # candidates for the "native_only" list which follows
213 target_tools="target-examples target-groff target-gperf target-rda"
215 ################################################################################
217 ## All tools belong in one of the four categories, and are assigned above
218 ## We assign ${configdirs} this way to remove all embedded newlines. This
219 ## is important because configure will choke if they ever get through.
220 ## ${configdirs} is directories we build using the host tools.
221 ## ${target_configdirs} is directories we build using the target tools.
222 configdirs=`echo ${host_libs} ${host_tools}`
223 target_configdirs=`echo ${target_libraries} ${target_tools}`
224 build_configdirs=`echo ${build_libs} ${build_tools}`
226 m4_divert_text([PARSE_ARGS],
229 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
230 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
231 m4_popdef([AS_MESSAGE_LOG_FD])dnl
234 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
237 ################################################################################
239 srcname="gnu development package"
241 # This gets set non-empty for some net releases of packages.
244 # Define is_cross_compiler to save on calls to 'test'.
246 if test x"${host}" = x"${target}" ; then
249 is_cross_compiler=yes
252 # Find the build and target subdir names.
254 # Be sure to cover against remnants of an in-tree build.
255 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
256 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
257 Use a pristine source tree when building in a separate tree])
260 # Skipdirs are removed silently.
262 # Noconfigdirs are removed loudly.
266 # Make sure we don't let GNU ld be added if we didn't want it.
267 if test x$with_gnu_ld = xno ; then
269 noconfigdirs="$noconfigdirs ld gold"
273 # Make sure we don't let GNU as be added if we didn't want it.
274 if test x$with_gnu_as = xno ; then
276 noconfigdirs="$noconfigdirs gas"
280 # Make sure we don't let ZLIB be added if we didn't want it.
281 if test x$with_system_zlib = xyes ; then
283 noconfigdirs="$noconfigdirs zlib"
286 # some tools are so dependent upon X11 that if we're not building with X,
287 # it's not even worth trying to configure, much less build, that tool.
290 yes | "") ;; # the default value for this tree is that X11 is available
292 skipdirs="${skipdirs} tk itcl libgui"
293 # We won't be able to build gdbtk without X.
296 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
299 # Some tools are only suitable for building in a "native" situation.
300 # Remove these if host!=target.
301 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
303 # Similarly, some are only suitable for cross toolchains.
304 # Remove these if host=target.
305 cross_only="target-libgloss target-newlib target-opcodes"
307 case $is_cross_compiler in
308 no) skipdirs="${skipdirs} ${cross_only}" ;;
309 yes) skipdirs="${skipdirs} ${native_only}" ;;
312 # If both --with-headers and --with-libs are specified, default to
314 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
315 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
316 if test x"${with_newlib}" = x ; then
321 # Recognize --with-newlib/--without-newlib.
322 case ${with_newlib} in
323 no) skipdirs="${skipdirs} target-newlib" ;;
324 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
327 # Handle --enable-gold, --enable-ld.
328 # --disable-gold [--enable-ld]
329 # Build only ld. Default option.
330 # --enable-gold [--enable-ld]
331 # Build both gold and ld. Install gold as "ld.gold", install ld
332 # as "ld.bfd" and "ld".
333 # --enable-gold=default [--enable-ld]
334 # Build both gold and ld. Install gold as "ld.gold" and "ld",
335 # install ld as "ld.bfd".
336 # --enable-gold[=default] --disable-ld
337 # Build only gold, which is then installed as both "ld.gold" and "ld".
338 # --enable-gold --enable-ld=default
339 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
341 # In other words, ld is default
342 # --enable-gold=default --enable-ld=default
347 [AS_HELP_STRING([[--enable-gold[=ARG]]],
348 [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 [AS_HELP_STRING([[--enable-ld[=ARG]]],
390 [build ld @<:@ARG={default,yes,no}@:>@])],
391 ENABLE_LD=$enableval,
394 case "${ENABLE_LD}" in
396 if test x${default_ld} != x; then
397 AC_MSG_ERROR([either gold or ld can be the default ld])
403 if test x${ENABLE_GOLD} != xyes; then
404 AC_MSG_WARN([neither ld nor gold are enabled])
406 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
409 AC_MSG_ERROR([invalid --enable-ld argument])
413 # Configure extra directories which are host specific
417 configdirs="$configdirs libtermcap" ;;
420 # A target can indicate whether a language isn't supported for some reason.
421 # Only spaces may be used in this macro; not newlines or tabs.
422 unsupported_languages=
424 # Remove more programs from consideration, based on the host or
425 # target this usually means that a port of the program doesn't
430 noconfigdirs="$noconfigdirs byacc"
432 i[[3456789]]86-*-msdosdjgpp*)
433 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
436 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
438 i[[3456789]]86-*-mingw32*)
439 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
440 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
443 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
446 noconfigdirs="$noconfigdirs rcs"
451 AC_ARG_ENABLE(libquadmath,
452 AS_HELP_STRING([--disable-libquadmath],
453 [do not build libquadmath directory]),
454 ENABLE_LIBQUADMATH=$enableval,
455 ENABLE_LIBQUADMATH=yes)
456 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
457 noconfigdirs="$noconfigdirs target-libquadmath"
461 AC_ARG_ENABLE(libquadmath-support,
462 AS_HELP_STRING([--disable-libquadmath-support],
463 [disable libquadmath support for Fortran]),
464 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
465 ENABLE_LIBQUADMATH_SUPPORT=yes)
466 enable_libquadmath_support=
467 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
468 enable_libquadmath_support=no
472 AC_ARG_ENABLE(libada,
473 [AS_HELP_STRING([--enable-libada], [build libada directory])],
474 ENABLE_LIBADA=$enableval,
476 if test "${ENABLE_LIBADA}" != "yes" ; then
477 noconfigdirs="$noconfigdirs gnattools"
480 AC_ARG_ENABLE(libssp,
481 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
482 ENABLE_LIBSSP=$enableval,
485 # Save it here so that, even in case of --enable-libgcj, if the Java
486 # front-end isn't enabled, we still get libgcj disabled.
488 case $enable_libgcj in
490 # If we reset it here, it won't get added to noconfigdirs in the
491 # target-specific build rules, so it will be forcibly enabled
492 # (unless the Java language itself isn't enabled).
496 # Make sure we get it printed in the list of not supported target libs.
497 # Don't disable libffi, though, other languages use it.
498 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
499 # Clear libgcj_saved so that even if java is enabled libffi won't be
506 # Disable libmudflap on some systems.
507 if test x$enable_libmudflap = x ; then
509 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
510 # Enable libmudflap by default in GNU and friends.
513 # Enable libmudflap by default in FreeBSD.
516 # Disable it by default everywhere else.
517 noconfigdirs="$noconfigdirs target-libmudflap"
522 # Disable libgomp on non POSIX hosted systems.
523 if test x$enable_libgomp = x ; then
524 # Enable libgomp by default on hosted POSIX systems.
526 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
528 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
530 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
532 *-*-darwin* | *-*-aix*)
535 noconfigdirs="$noconfigdirs target-libgomp"
540 # Default libgloss CPU subdirectory.
541 libgloss_dir="$target_cpu"
545 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
548 noconfigdirs="$noconfigdirs ld gas gdb gprof"
549 noconfigdirs="$noconfigdirs sim target-rda"
551 i[[3456789]]86-*-darwin*)
552 noconfigdirs="$noconfigdirs ld gprof"
553 noconfigdirs="$noconfigdirs sim target-rda"
555 x86_64-*-darwin[[912]]*)
556 noconfigdirs="$noconfigdirs ld gas gprof"
557 noconfigdirs="$noconfigdirs sim target-rda"
560 noconfigdirs="$noconfigdirs ld gas gdb gprof"
561 noconfigdirs="$noconfigdirs sim target-rda"
562 noconfigdirs="$noconfigdirs ${libgcj}"
564 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
565 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
568 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
569 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
570 && test -f /usr/local/include/gmp.h; then
574 # Skip some stuff that's unsupported on some FreeBSD configurations.
580 noconfigdirs="$noconfigdirs ${libgcj}"
585 # Remove unsupported stuff on all kaOS configurations.
586 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
587 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
588 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
589 noconfigdirs="$noconfigdirs target-libgloss"
592 # Skip some stuff on all NetBSD configurations.
593 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
595 # Skip some stuff that's unsupported on some NetBSD configurations.
597 i*86-*-netbsdelf*) ;;
598 arm*-*-netbsdelf*) ;;
600 noconfigdirs="$noconfigdirs ${libgcj}"
605 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
608 skipdirs="${skipdirs} target-libiberty"
609 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
611 # The tpf target doesn't support gdb yet.
613 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
616 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
619 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
622 # ld works, but does not support shared libraries.
623 # newlib is not 64 bit ready. I'm not sure about fileutils.
624 # gas doesn't generate exception information.
625 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
628 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
631 # newlib is not 64 bit ready
632 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
635 # newlib is not 64 bit ready
636 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
639 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
642 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
644 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
645 noconfigdirs="$noconfigdirs ${libgcj}"
646 noconfigdirs="$noconfigdirs target-examples"
647 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
648 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
649 noconfigdirs="$noconfigdirs expect dejagnu"
650 # the C++ libraries don't build on top of CE's C libraries
651 noconfigdirs="$noconfigdirs target-libstdc++-v3"
652 noconfigdirs="$noconfigdirs target-newlib"
654 *-*-cygwin*) ;; # keep gdb and readline
655 *) noconfigdirs="$noconfigdirs gdb readline"
661 noconfigdirs="$noconfigdirs target-libgloss"
664 noconfigdirs="$noconfigdirs ${libgcj}"
667 arm-*-elf* | arm*-*-eabi* )
668 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
671 arm*-*-linux-gnueabi)
672 noconfigdirs="$noconfigdirs target-qthreads"
673 case ${with_newlib} in
674 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
679 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
683 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
686 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
689 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
692 unsupported_languages="$unsupported_languages java"
693 noconfigdirs="$noconfigdirs target-boehm-gc"
694 if test x${is_cross_compiler} != xno ; then
695 target_configdirs="${target_configdirs} target-bsp target-cygmon"
699 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
701 c54x*-*-* | tic54x-*-*)
702 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
705 noconfigdirs="$noconfigdirs ${libgcj} gdb"
707 cris-*-* | crisv32-*-*)
708 unsupported_languages="$unsupported_languages java"
711 unsupported_languages="$unsupported_languages fortran"
712 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
713 *-*-elf) # See PR46792 regarding target-libffi.
714 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
716 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
718 unsupported_languages="$unsupported_languages fortran"
719 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
724 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
727 noconfigdirs="$noconfigdirs ${libgcj} gdb"
730 noconfigdirs="$noconfigdirs ${libgcj} gdb"
733 noconfigdirs="$noconfigdirs ${libgcj}"
736 noconfigdirs="$noconfigdirs ${libgcj}"
737 noconfigdirs="$noconfigdirs gprof"
740 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
743 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
745 hppa1.1-*-osf* | hppa1.1-*-bsd* )
748 # In this case, it's because the hppa64-linux target is for
749 # the kernel only at this point and has no libc, and thus no
750 # headers, crt*.o, etc., all of which are needed by these.
751 noconfigdirs="$noconfigdirs target-zlib"
759 noconfigdirs="$noconfigdirs ${libgcj}"
762 noconfigdirs="$noconfigdirs ld shellutils"
768 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
769 # build on HP-UX 10.20.
770 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
773 noconfigdirs="$noconfigdirs ${libgcj} gdb"
776 # No gdb support yet.
777 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
781 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
784 # No gdb or ld support yet.
785 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
787 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
788 noconfigdirs="$noconfigdirs ${libgcj}"
791 i[[3456789]]86-*-linux*)
792 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
793 # not build java stuff by default.
796 noconfigdirs="$noconfigdirs ${libgcj}";;
799 # This section makes it possible to build newlib natively on linux.
800 # If we are using a cross compiler then don't configure newlib.
801 if test x${is_cross_compiler} != xno ; then
802 noconfigdirs="$noconfigdirs target-newlib"
804 noconfigdirs="$noconfigdirs target-libgloss"
805 # If we are not using a cross compiler, do configure newlib.
806 # Note however, that newlib will only be configured in this situation
807 # if the --with-newlib option has been given, because otherwise
808 # 'target-newlib' will appear in skipdirs.
810 i[[3456789]]86-w64-mingw*)
811 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
813 i[[3456789]]86-*-mingw*)
814 target_configdirs="$target_configdirs target-winsup"
815 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
818 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
821 target_configdirs="$target_configdirs target-libtermcap target-winsup"
822 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
823 # always build newlib if winsup directory is present.
824 if test -d "$srcdir/winsup/cygwin"; then
825 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
826 elif test -d "$srcdir/newlib"; then
827 echo "Warning: winsup/cygwin is missing so newlib can't be built."
830 i[[3456789]]86-*-interix* )
833 noconfigdirs="$noconfigdirs target-libgloss"
835 i[[3456789]]86-*-sco3.2v5*)
836 # The linker does not yet know about weak symbols in COFF,
837 # and is not configured to handle mixed ELF and COFF.
838 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
840 i[[3456789]]86-*-sco*)
841 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
843 i[[3456789]]86-*-solaris2*)
844 noconfigdirs="$noconfigdirs target-libgloss"
846 i[[3456789]]86-*-sysv4*)
847 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
849 i[[3456789]]86-*-beos*)
850 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
852 i[[3456789]]86-*-rdos*)
853 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
856 noconfigdirs="$noconfigdirs ${libgcj}"
858 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
859 noconfigdirs="$noconfigdirs target-libiberty"
863 noconfigdirs="$noconfigdirs ${libgcj}"
866 noconfigdirs="$noconfigdirs ${libgcj}"
872 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
873 unsupported_languages="$unsupported_languages fortran java"
876 noconfigdirs="$noconfigdirs ${libgcj}"
879 noconfigdirs="$noconfigdirs ${libgcj}"
882 noconfigdirs="$noconfigdirs sim"
885 noconfigdirs="$noconfigdirs target-libiberty"
888 # copied from rs6000-*-* entry
889 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
891 powerpc*-*-winnt* | powerpc*-*-pe*)
892 target_configdirs="$target_configdirs target-winsup"
893 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
894 # always build newlib.
895 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
897 # This is temporary until we can link against shared libraries
898 powerpcle-*-solaris*)
899 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
903 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
906 noconfigdirs="$noconfigdirs ${libgcj}"
909 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
913 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
916 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
919 noconfigdirs="$noconfigdirs gprof ${libgcj}"
922 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
925 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
928 skipdirs="$skipdirs target-libiberty"
929 noconfigdirs="$noconfigdirs ${libgcj}"
930 if test x$with_newlib = xyes; then
931 noconfigdirs="$noconfigdirs gprof"
936 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
939 # Linking libjava exceeds command-line length limits on at least
940 # IRIX 6.2, but not on IRIX 6.5.
941 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
942 # <oldham@codesourcery.com>
943 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
946 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
949 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
952 noconfigdirs="$noconfigdirs gprof ${libgcj}"
956 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
960 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
961 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
965 noconfigdirs="$noconfigdirs ${libgcj}" ;;
967 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
970 sparclet-*-aout* | sparc86x-*-*)
974 noconfigdirs="$noconfigdirs ${libgcj}"
977 noconfigdirs="$noconfigdirs ${libgcj}"
981 noconfigdirs="$noconfigdirs ${libgcj}"
985 noconfigdirs="$noconfigdirs ${libgcj}"
986 if test x${is_cross_compiler} != xno ; then
987 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
992 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
993 noconfigdirs="$noconfigdirs ${libgcj}"
995 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
998 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
1001 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
1004 noconfigdirs="$noconfigdirs ${libgcj}"
1007 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
1010 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1013 noconfigdirs="$noconfigdirs ${libgcj}"
1016 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
1018 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1019 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1022 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1025 noconfigdirs="$noconfigdirs ${libgcj}"
1029 # If we aren't building newlib, then don't build libgloss, since libgloss
1030 # depends upon some newlib header files.
1031 case "${noconfigdirs}" in
1032 *target-libgloss*) ;;
1033 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1036 # Work in distributions that contain no compiler tools, like Autoconf.
1037 host_makefile_frag=/dev/null
1038 if test -d ${srcdir}/config ; then
1040 i[[3456789]]86-*-msdosdjgpp*)
1041 host_makefile_frag="config/mh-djgpp"
1044 ACX_CHECK_CYGWIN_CAT_WORKS
1045 host_makefile_frag="config/mh-cygwin"
1048 host_makefile_frag="config/mh-mingw"
1051 host_makefile_frag="config/mh-interix"
1054 host_makefile_frag="config/mh-pa-hpux10"
1057 host_makefile_frag="config/mh-pa"
1060 host_makefile_frag="config/mh-pa"
1063 host_makefile_frag="config/mh-darwin"
1066 host_makefile_frag="config/mh-ppc-aix"
1069 host_makefile_frag="config/mh-ppc-aix"
1071 # This is placed last to prevent interfering with the cases above.
1073 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1074 host_makefile_frag="config/mh-x86omitfp"
1079 if test "${build}" != "${host}" ; then
1080 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1081 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1082 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1083 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1084 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1085 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1086 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1087 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1088 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1089 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1090 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1091 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1092 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1094 AR_FOR_BUILD="\$(AR)"
1095 AS_FOR_BUILD="\$(AS)"
1096 CC_FOR_BUILD="\$(CC)"
1097 CXX_FOR_BUILD="\$(CXX)"
1098 GCJ_FOR_BUILD="\$(GCJ)"
1099 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1100 GOC_FOR_BUILD="\$(GOC)"
1101 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1102 LD_FOR_BUILD="\$(LD)"
1103 NM_FOR_BUILD="\$(NM)"
1104 RANLIB_FOR_BUILD="\$(RANLIB)"
1105 WINDRES_FOR_BUILD="\$(WINDRES)"
1106 WINDMC_FOR_BUILD="\$(WINDMC)"
1112 # We must set the default linker to the linker used by gcc for the correct
1113 # operation of libtool. If LD is not defined and we are using gcc, try to
1114 # set the LD default to the ld used by gcc.
1115 if test -z "$LD"; then
1116 if test "$GCC" = yes; then
1119 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1121 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1123 case $gcc_prog_ld in
1124 # Accept absolute paths.
1125 [[\\/]* | [A-Za-z]:[\\/]*)]
1126 LD="$gcc_prog_ld" ;;
1132 ACX_PROG_CMP_IGNORE_INITIAL
1134 # See if we are building gcc with C++.
1135 AC_ARG_ENABLE(build-with-cxx,
1136 [AS_HELP_STRING([--enable-build-with-cxx],
1137 [build with C++ compiler instead of C compiler])],
1138 ENABLE_BUILD_WITH_CXX=$enableval,
1139 ENABLE_BUILD_WITH_CXX=no)
1141 # Used for setting $lt_cv_objdir
1144 # Check for GMP, MPFR and MPC
1145 gmplibs="-lmpc -lmpfr -lgmp"
1149 # Specify a location for mpc
1150 # check for this first so it ends up on the link line before mpfr.
1152 [AS_HELP_STRING([--with-mpc=PATH],
1153 [specify prefix directory for installed MPC package.
1154 Equivalent to --with-mpc-include=PATH/include
1155 plus --with-mpc-lib=PATH/lib])])
1156 AC_ARG_WITH(mpc-include,
1157 [AS_HELP_STRING([--with-mpc-include=PATH],
1158 [specify directory for installed MPC include files])])
1159 AC_ARG_WITH(mpc-lib,
1160 [AS_HELP_STRING([--with-mpc-lib=PATH],
1161 [specify directory for the installed MPC library])])
1163 if test "x$with_mpc" != x; then
1164 gmplibs="-L$with_mpc/lib $gmplibs"
1165 gmpinc="-I$with_mpc/include $gmpinc"
1167 if test "x$with_mpc_include" != x; then
1168 gmpinc="-I$with_mpc_include $gmpinc"
1170 if test "x$with_mpc_lib" != x; then
1171 gmplibs="-L$with_mpc_lib $gmplibs"
1173 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1174 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1175 gmpinc='-I$$s/mpc/src '"$gmpinc"
1176 # Do not test the mpc version. Assume that it is sufficient, since
1177 # it is in the source tree, and the library has not been built yet
1178 # but it would be included on the link line in the version check below
1179 # hence making the test fail.
1183 # Specify a location for mpfr
1184 # check for this first so it ends up on the link line before gmp.
1185 AC_ARG_WITH(mpfr-dir,
1186 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1187 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1188 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1191 [AS_HELP_STRING([--with-mpfr=PATH],
1192 [specify prefix directory for installed MPFR package.
1193 Equivalent to --with-mpfr-include=PATH/include
1194 plus --with-mpfr-lib=PATH/lib])])
1195 AC_ARG_WITH(mpfr-include,
1196 [AS_HELP_STRING([--with-mpfr-include=PATH],
1197 [specify directory for installed MPFR include files])])
1198 AC_ARG_WITH(mpfr-lib,
1199 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1200 [specify directory for the installed MPFR library])])
1202 if test "x$with_mpfr" != x; then
1203 gmplibs="-L$with_mpfr/lib $gmplibs"
1204 gmpinc="-I$with_mpfr/include $gmpinc"
1206 if test "x$with_mpfr_include" != x; then
1207 gmpinc="-I$with_mpfr_include $gmpinc"
1209 if test "x$with_mpfr_lib" != x; then
1210 gmplibs="-L$with_mpfr_lib $gmplibs"
1212 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1213 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1214 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1215 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1216 # Do not test the mpfr version. Assume that it is sufficient, since
1217 # it is in the source tree, and the library has not been built yet
1218 # but it would be included on the link line in the version check below
1219 # hence making the test fail.
1223 # Specify a location for gmp
1224 AC_ARG_WITH(gmp-dir,
1225 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1226 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1227 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1230 [AS_HELP_STRING([--with-gmp=PATH],
1231 [specify prefix directory for the installed GMP package.
1232 Equivalent to --with-gmp-include=PATH/include
1233 plus --with-gmp-lib=PATH/lib])])
1234 AC_ARG_WITH(gmp-include,
1235 [AS_HELP_STRING([--with-gmp-include=PATH],
1236 [specify directory for installed GMP include files])])
1237 AC_ARG_WITH(gmp-lib,
1238 [AS_HELP_STRING([--with-gmp-lib=PATH],
1239 [specify directory for the installed GMP library])])
1242 if test "x$with_gmp" != x; then
1243 gmplibs="-L$with_gmp/lib $gmplibs"
1244 gmpinc="-I$with_gmp/include $gmpinc"
1246 if test "x$with_gmp_include" != x; then
1247 gmpinc="-I$with_gmp_include $gmpinc"
1249 if test "x$with_gmp_lib" != x; then
1250 gmplibs="-L$with_gmp_lib $gmplibs"
1252 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1253 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1254 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1255 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1256 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1257 # Do not test the gmp version. Assume that it is sufficient, since
1258 # it is in the source tree, and the library has not been built yet
1259 # but it would be included on the link line in the version check below
1260 # hence making the test fail.
1264 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1266 saved_CFLAGS="$CFLAGS"
1267 CFLAGS="$CFLAGS $gmpinc"
1268 # Check for the recommended and required versions of GMP.
1269 AC_MSG_CHECKING([for the correct version of gmp.h])
1270 AC_TRY_COMPILE([#include "gmp.h"],[
1271 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1272 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1273 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1276 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1277 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1278 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1279 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1282 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1283 [AC_MSG_RESULT([no]); have_gmp=no])
1285 # If we have GMP, check the MPFR version.
1286 if test x"$have_gmp" = xyes; then
1287 # Check for the recommended and required versions of MPFR.
1288 AC_MSG_CHECKING([for the correct version of mpfr.h])
1289 AC_TRY_COMPILE([#include <gmp.h>
1290 #include <mpfr.h>],[
1291 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1294 ], [AC_TRY_COMPILE([#include <gmp.h>
1295 #include <mpfr.h>],[
1296 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1299 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1300 [AC_MSG_RESULT([no]); have_gmp=no])
1303 # Check for the MPC header version.
1304 if test x"$have_gmp" = xyes ; then
1305 # Check for the recommended and required versions of MPC.
1306 AC_MSG_CHECKING([for the correct version of mpc.h])
1307 AC_TRY_COMPILE([#include <mpc.h>],[
1308 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1311 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1312 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1315 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1316 [AC_MSG_RESULT([no]); have_gmp=no])
1319 # Now check the MPFR library.
1320 if test x"$have_gmp" = xyes; then
1322 LIBS="$LIBS $gmplibs"
1323 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1324 AC_TRY_LINK([#include <mpc.h>],[
1331 mpfr_atan2 (n, n, x, GMP_RNDN);
1332 mpfr_erfc (n, x, GMP_RNDN);
1333 mpfr_subnormalize (x, t, GMP_RNDN);
1337 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1338 mpc_cosh (c, c, MPC_RNDNN);
1339 mpc_pow (c, c, c, MPC_RNDNN);
1340 mpc_acosh (c, c, MPC_RNDNN);
1342 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1346 CFLAGS="$saved_CFLAGS"
1348 # The library versions listed in the error message below should match
1349 # the HARD-minimums enforced above.
1350 if test x$have_gmp != xyes; then
1351 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1352 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1353 their locations. Source code for these libraries can be found at
1354 their respective hosting sites as well as at
1355 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1356 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1357 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1358 make sure that you have installed both the libraries and the header
1359 files. They may be located in separate packages.])
1363 # Flags needed for both GMP, MPFR and/or MPC.
1366 AC_SUBST(extra_mpfr_configure_flags)
1367 AC_SUBST(extra_mpc_gmp_configure_flags)
1368 AC_SUBST(extra_mpc_mpfr_configure_flags)
1370 # Allow host libstdc++ to be specified for static linking with PPL.
1371 AC_ARG_WITH(host-libstdcxx,
1372 [AS_HELP_STRING([--with-host-libstdcxx=L],
1373 [use linker arguments L to link with libstdc++
1374 when linking with PPL])])
1376 case $with_host_libstdcxx in
1378 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1382 # Linker flags to use for stage1 or when not boostrapping.
1383 AC_ARG_WITH(stage1-ldflags,
1384 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1385 [if test "$withval" = "no" -o "$withval" = "yes"; then
1388 stage1_ldflags=$withval
1391 AC_SUBST(stage1_ldflags)
1393 # Libraries to use for stage1 or when not bootstrapping.
1394 AC_ARG_WITH(stage1-libs,
1395 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1396 [if test "$withval" = "no" -o "$withval" = "yes"; then
1399 stage1_libs=$withval
1401 [stage1_libs=$with_host_libstdcxx])
1402 AC_SUBST(stage1_libs)
1404 # Libraries to use for stage2 and later builds. This defaults to the
1405 # argument passed to --with-host-libstdcxx.
1406 AC_ARG_WITH(boot-libs,
1407 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1408 [if test "$withval" = "no" -o "$withval" = "yes"; then
1411 poststage1_libs=$withval
1413 [poststage1_libs=$with_host_libstdcxx])
1414 AC_SUBST(poststage1_libs)
1416 # Linker flags to use for stage2 and later builds.
1417 AC_ARG_WITH(boot-ldflags,
1418 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1419 [linker flags for stage2 and later])],
1420 [if test "$withval" = "no" -o "$withval" = "yes"; then
1423 poststage1_ldflags=$withval
1425 [poststage1_ldflags=
1426 # In stages 2 and 3, default to linking libstdc++ and libgcc
1427 # statically. But if the user explicitly specified the libraries to
1428 # use, trust that they are doing what they want.
1429 if test "$poststage1_libs" = ""; then
1430 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1432 AC_SUBST(poststage1_ldflags)
1440 [AS_HELP_STRING([--with-ppl=PATH],
1441 [specify prefix directory for the installed PPL package.
1442 Equivalent to --with-ppl-include=PATH/include
1443 plus --with-ppl-lib=PATH/lib])])
1444 AC_ARG_WITH(ppl-include,
1445 [AS_HELP_STRING([--with-ppl-include=PATH],
1446 [specify directory for installed PPL include files])])
1447 AC_ARG_WITH(ppl-lib,
1448 [AS_HELP_STRING([--with-ppl-lib=PATH],
1449 [specify directory for the installed PPL library])])
1451 AC_ARG_ENABLE(ppl-version-check,
1452 [AS_HELP_STRING([--disable-ppl-version-check],
1453 [disable check for PPL version])])
1459 ppllibs="-L$with_ppl/lib"
1460 pplinc="-I$with_ppl/include $pplinc"
1461 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1464 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1469 if test x"$with_ppl_include" != x; then
1470 pplinc="-I$with_ppl_include $pplinc"
1474 if test "x$with_ppl_lib" != x; then
1475 ppllibs="-L$with_ppl_lib"
1479 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1480 if test x"$enable_watchdog" = xyes; then
1483 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1484 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1485 enable_ppl_version_check=no
1489 if test "x$with_ppl" != xno; then
1490 if test "x$pwllib" = x; then
1492 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1493 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1497 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1499 if test "$enable_ppl_version_check" != no; then
1500 saved_CFLAGS="$CFLAGS"
1501 CFLAGS="$CFLAGS $pplinc $gmpinc"
1502 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1503 AC_TRY_COMPILE([#include "ppl_c.h"],[
1504 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1507 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1508 CFLAGS="$saved_CFLAGS"
1512 # Flags needed for PPL
1519 dnl Provide configure switches and initialize clooginc & clooglibs
1520 dnl with user input.
1522 if test "x$with_ppl" = "xno"; then
1523 dnl Only execute fail-action, if CLooG has been requested.
1524 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1525 if test "${graphite_requested}" = yes; then
1526 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1530 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1531 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1532 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1533 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1535 if test "x$with_cloog" != "xno"; then
1536 dnl The minimal version of CLooG required for Graphite.
1538 dnl If we use CLooG-Legacy, the provided version information is
1540 CLOOG_CHECK_VERSION(0,16,1)
1542 dnl Only execute fail-action, if CLooG has been requested.
1544 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1547 # Check for LTO support.
1549 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1550 enable_lto=$enableval,
1551 enable_lto=yes; default_enable_lto=yes)
1553 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1554 build_lto_plugin=yes
1555 ],[if test x"$default_enable_lto" = x"yes" ; then
1557 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
1558 # On other non-ELF platforms, LTO has yet to be validated.
1562 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1563 # It would also be nice to check the binutils support, but we don't
1564 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1565 # warn during gcc/ subconfigure; unless you're bootstrapping with
1566 # -flto it won't be needed until after installation anyway.
1568 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1569 *) if test x"$enable_lto" = x"yes"; then
1570 AC_MSG_ERROR([LTO support is not enabled for this target.])
1575 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1576 # Build it unless LTO was explicitly disabled.
1578 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1584 # By default, C is the only stage 1 language.
1585 stage1_languages=,c,
1587 # Target libraries that we bootstrap.
1588 bootstrap_target_libs=,target-libgcc,
1590 # Figure out what language subdirectories are present.
1591 # Look if the user specified --enable-languages="..."; if not, use
1592 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1594 # NB: embedded tabs in this IF block -- do not untabify
1595 if test -d ${srcdir}/gcc; then
1596 if test x"${enable_languages+set}" != xset; then
1597 if test x"${LANGUAGES+set}" = xset; then
1598 enable_languages="${LANGUAGES}"
1599 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1601 enable_languages=all
1604 if test x"${enable_languages}" = x ||
1605 test x"${enable_languages}" = xyes;
1607 echo configure.in: --enable-languages needs at least one language argument 1>&2
1611 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1613 # 'f95' is the old name for the 'fortran' language. We issue a warning
1614 # and make the substitution.
1615 case ,${enable_languages}, in
1617 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1618 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1622 # First scan to see if an enabled language requires some other language.
1623 # We assume that a given config-lang.in will list all the language
1624 # front ends it requires, even if some are required indirectly.
1625 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1626 case ${lang_frag} in
1628 # The odd quoting in the next line works around
1629 # an apparent bug in bash 1.12 on linux.
1630 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1632 # From the config-lang.in, get $language, $lang_requires, and
1633 # $lang_requires_boot_languages.
1636 lang_requires_boot_languages=
1638 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1639 case ,${enable_languages}, in
1643 echo " \`$other' language required by \`$language'; enabling" 1>&2
1644 enable_languages="${enable_languages},${other}"
1648 for other in ${lang_requires_boot_languages} ; do
1649 if test "$other" != "c"; then
1650 case ,${enable_stage1_languages}, in
1654 case ,${enable_languages}, in
1656 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1657 enable_stage1_languages="$enable_stage1_languages,${other}"
1668 new_enable_languages=,c,
1670 # If LTO is enabled, add the LTO front end.
1671 extra_host_libiberty_configure_flags=
1672 if test "$enable_lto" = "yes" ; then
1673 case ,${enable_languages}, in
1675 *) enable_languages="${enable_languages},lto" ;;
1677 if test "${build_lto_plugin}" = "yes" ; then
1678 configdirs="$configdirs lto-plugin"
1679 extra_host_libiberty_configure_flags=--enable-shared
1682 AC_SUBST(extra_host_libiberty_configure_flags)
1684 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1685 potential_languages=,c,
1687 enabled_target_libs=
1688 disabled_target_libs=
1690 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1691 case ${lang_frag} in
1693 # The odd quoting in the next line works around
1694 # an apparent bug in bash 1.12 on linux.
1695 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1697 # From the config-lang.in, get $language, $target_libs,
1698 # $lang_dirs, $boot_language, and $build_by_default
1704 build_by_default=yes
1706 if test x${language} = x; then
1707 echo "${lang_frag} doesn't set \$language." 1>&2
1711 if test "$language" = "c++" \
1712 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1716 case ,${enable_languages}, in
1718 # Language was explicitly selected; include it.
1722 # 'all' was selected, select it if it is a default language
1723 add_this_lang=${build_by_default}
1730 # Disable languages that need other directories if these aren't available.
1731 for i in $subdir_requires; do
1732 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1733 case ,${enable_languages}, in
1735 # Specifically requested language; tell them.
1736 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1740 add_this_lang=unsupported
1745 # Disable Ada if no preexisting GNAT is available.
1746 case ,${enable_languages},:${language}:${have_gnat} in
1747 *,${language},*:ada:no)
1748 # Specifically requested language; tell them.
1749 AC_MSG_ERROR([GNAT is required to build $language])
1753 add_this_lang=unsupported
1757 # Disable a language that is unsupported by the target.
1758 case " $unsupported_languages " in
1760 add_this_lang=unsupported
1764 case $add_this_lang in
1766 # Remove language-dependent dirs.
1767 disabled_target_libs="$disabled_target_libs $target_libs"
1768 noconfigdirs="$noconfigdirs $lang_dirs"
1771 # Remove language-dependent dirs; still show language as supported.
1772 disabled_target_libs="$disabled_target_libs $target_libs"
1773 noconfigdirs="$noconfigdirs $lang_dirs"
1774 potential_languages="${potential_languages}${language},"
1777 new_enable_languages="${new_enable_languages}${language},"
1778 potential_languages="${potential_languages}${language},"
1779 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1780 enabled_target_libs="$enabled_target_libs $target_libs"
1781 case "${boot_language}:,$enable_stage1_languages," in
1782 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1783 # Add to (comma-separated) list of stage 1 languages.
1784 case ",$stage1_languages," in
1785 *,$language,* | ,yes, | ,all,) ;;
1786 *) stage1_languages="${stage1_languages}${language}," ;;
1788 # We need to bootstrap any supporting libraries.
1789 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1798 # Add target libraries which are only needed for disabled languages
1800 if test -n "$disabled_target_libs"; then
1801 for dir in $disabled_target_libs; do
1802 case " $enabled_target_libs " in
1804 *) noconfigdirs="$noconfigdirs $dir" ;;
1809 AC_ARG_ENABLE(stage1-languages,
1810 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1811 [choose additional languages to build during
1812 stage1. Mostly useful for compiler development])],
1813 [case ,${enable_stage1_languages}, in
1815 # Set it to something that will have no effect in the loop below
1816 enable_stage1_languages=c ;;
1818 enable_stage1_languages=`echo $new_enable_languages | \
1819 sed -e "s/^,//" -e "s/,$//" ` ;;
1821 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1822 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1825 # Add "good" languages from enable_stage1_languages to stage1_languages,
1826 # while "bad" languages go in missing_languages. Leave no duplicates.
1827 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1828 case $potential_languages in
1830 case $stage1_languages in
1832 *) stage1_languages="$stage1_languages$i," ;;
1835 case $missing_languages in
1837 *) missing_languages="$missing_languages$i," ;;
1842 # Remove leading/trailing commas that were added for simplicity
1843 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1844 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1845 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1846 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1848 if test "x$missing_languages" != x; then
1850 The following requested languages could not be built: ${missing_languages}
1851 Supported languages are: ${potential_languages}])
1853 if test "x$new_enable_languages" != "x$enable_languages"; then
1854 echo The following languages will be built: ${new_enable_languages}
1855 enable_languages="$new_enable_languages"
1858 AC_SUBST(stage1_languages)
1859 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1862 # Handle --disable-<component> generically.
1863 for dir in $configdirs $build_configdirs $target_configdirs ; do
1864 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1865 varname=`echo $dirname | sed -e s/+/_/g`
1866 if eval test x\${enable_${varname}} "=" xno ; then
1867 noconfigdirs="$noconfigdirs $dir"
1871 # Check for Boehm's garbage collector
1872 AC_ARG_ENABLE(objc-gc,
1873 [AS_HELP_STRING([--enable-objc-gc],
1874 [enable use of Boehm's garbage collector with the
1875 GNU Objective-C runtime])],
1876 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1877 *,objc,*:*:yes:*target-boehm-gc*)
1878 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1882 # Make sure we only build Boehm's garbage collector if required.
1883 case ,${enable_languages},:${enable_objc_gc} in
1885 # Keep target-boehm-gc if requested for Objective-C.
1888 # Otherwise remove target-boehm-gc depending on target-libjava.
1889 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1890 noconfigdirs="$noconfigdirs target-boehm-gc"
1895 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1896 # $build_configdirs and $target_configdirs.
1897 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1900 for dir in . $skipdirs $noconfigdirs ; do
1901 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1902 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1903 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1904 if test -r $srcdir/$dirname/configure ; then
1905 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1908 notsupp="$notsupp $dir"
1912 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1913 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1914 if test -r $srcdir/$dirname/configure ; then
1915 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1918 notsupp="$notsupp $dir"
1922 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1923 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1924 if test -r $srcdir/$dirname/configure ; then
1925 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1928 notsupp="$notsupp $dir"
1934 # Sometimes the tools are distributed with libiberty but with no other
1935 # libraries. In that case, we don't want to build target-libiberty.
1936 # Don't let libgcc imply libiberty either.
1937 if test -n "${target_configdirs}" ; then
1940 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1941 if test "$i" = "libgcc"; then
1942 libgcc=target-libgcc
1943 elif test "$i" != "libiberty" ; then
1944 if test -r $srcdir/$i/configure ; then
1950 if test -z "${others}" ; then
1951 target_configdirs=$libgcc
1955 # Quietly strip out all directories which aren't configurable in this tree.
1956 # This relies on all configurable subdirectories being autoconfiscated, which
1958 build_configdirs_all="$build_configdirs"
1960 for i in ${build_configdirs_all} ; do
1961 j=`echo $i | sed -e s/build-//g`
1962 if test -f ${srcdir}/$j/configure ; then
1963 build_configdirs="${build_configdirs} $i"
1967 configdirs_all="$configdirs"
1969 for i in ${configdirs_all} ; do
1970 if test -f ${srcdir}/$i/configure ; then
1971 configdirs="${configdirs} $i"
1975 target_configdirs_all="$target_configdirs"
1977 for i in ${target_configdirs_all} ; do
1978 j=`echo $i | sed -e s/target-//g`
1979 if test -f ${srcdir}/$j/configure ; then
1980 target_configdirs="${target_configdirs} $i"
1984 # Produce a warning message for the subdirs we can't configure.
1985 # This isn't especially interesting in the Cygnus tree, but in the individual
1986 # FSF releases, it's important to let people know when their machine isn't
1987 # supported by the one or two programs in a package.
1989 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1990 # If $appdirs is non-empty, at least one of those directories must still
1991 # be configured, or we error out. (E.g., if the gas release supports a
1992 # specified target in some subdirs but not the gas subdir, we shouldn't
1993 # pretend that all is well.)
1994 if test -n "$appdirs" ; then
1995 for dir in $appdirs ; do
1996 if test -r $dir/Makefile.in ; then
1997 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2001 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2007 if test -n "$appdirs" ; then
2008 echo "*** This configuration is not supported by this package." 1>&2
2012 # Okay, some application will build, or we don't care to check. Still
2013 # notify of subdirs not getting built.
2014 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2015 echo " ${notsupp}" 1>&2
2016 echo " (Any other directories should still work fine.)" 1>&2
2024 # To find our prefix, in gcc_cv_tool_prefix.
2029 AC_ARG_WITH([build-sysroot],
2030 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2031 [use sysroot as the system root during the build])],
2032 [if test x"$withval" != x ; then
2033 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2035 [SYSROOT_CFLAGS_FOR_TARGET=])
2036 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2038 AC_ARG_WITH([debug-prefix-map],
2039 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2040 [map A to B, C to D ... in debug information])],
2041 [if test x"$withval" != x; then
2042 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2043 for debug_map in $withval; do
2044 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2047 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2048 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2050 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2051 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2052 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2053 # We want to ensure that TARGET libraries (which we know are built with
2054 # gcc) are built with "-O2 -g", so include those options when setting
2055 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2056 if test "x$CFLAGS_FOR_TARGET" = x; then
2057 CFLAGS_FOR_TARGET=$CFLAGS
2060 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2063 *" -g "* | *" -g3 "*) ;;
2064 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2067 AC_SUBST(CFLAGS_FOR_TARGET)
2069 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2070 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2071 case " $CXXFLAGS " in
2073 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2075 case " $CXXFLAGS " in
2076 *" -g "* | *" -g3 "*) ;;
2077 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2080 AC_SUBST(CXXFLAGS_FOR_TARGET)
2082 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2083 # the named directory are copied to $(tooldir)/sys-include.
2084 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2085 if test x${is_cross_compiler} = xno ; then
2086 echo 1>&2 '***' --with-headers is only supported when cross compiling
2089 if test x"${with_headers}" != xyes ; then
2090 x=${gcc_cv_tool_prefix}
2091 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2095 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2096 # the name directories are copied to $(tooldir)/lib. Multiple directories
2098 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2099 if test x${is_cross_compiler} = xno ; then
2100 echo 1>&2 '***' --with-libs is only supported when cross compiling
2103 if test x"${with_libs}" != xyes ; then
2104 # Copy the libraries in reverse order, so that files in the first named
2105 # library override files in subsequent libraries.
2106 x=${gcc_cv_tool_prefix}
2107 for l in ${with_libs}; do
2108 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2113 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2115 # This is done by determining whether or not the appropriate directory
2116 # is available, and by checking whether or not specific configurations
2117 # have requested that this magic not happen.
2119 # The command line options always override the explicit settings in
2120 # configure.in, and the settings in configure.in override this magic.
2122 # If the default for a toolchain is to use GNU as and ld, and you don't
2123 # want to do that, then you should use the --without-gnu-as and
2124 # --without-gnu-ld options for the configure script. Similarly, if
2125 # the default is to use the included zlib and you don't want to do that,
2126 # you should use the --with-system-zlib option for the configure script.
2128 if test x${use_gnu_as} = x &&
2129 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2131 extra_host_args="$extra_host_args --with-gnu-as"
2134 if test x${use_gnu_ld} = x &&
2135 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2137 extra_host_args="$extra_host_args --with-gnu-ld"
2140 if test x${use_included_zlib} = x &&
2141 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2144 with_system_zlib=yes
2145 extra_host_args="$extra_host_args --with-system-zlib"
2148 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2149 # can detect this case.
2151 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2153 extra_host_args="$extra_host_args --with-newlib"
2156 # Handle ${copy_dirs}
2157 set fnord ${copy_dirs}
2159 while test $# != 0 ; do
2160 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2163 echo Copying $1 to $2
2165 # Use the install script to create the directory and all required
2166 # parent directories.
2167 if test -d $2 ; then
2171 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2174 # Copy the directory, assuming we have tar.
2175 # FIXME: Should we use B in the second tar? Not all systems support it.
2176 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2178 # It is the responsibility of the user to correctly adjust all
2179 # symlinks. If somebody can figure out how to handle them correctly
2180 # here, feel free to add the code.
2187 # Determine a target-dependent exec_prefix that the installed
2188 # gcc will search in. Keep this list sorted by triplet, with
2189 # the *-*-osname triplets last.
2193 md_exec_prefix=/gnu/lib/gcc-lib
2195 i[[34567]]86-pc-msdosdjgpp*)
2196 md_exec_prefix=/dev/env/DJDIR/bin
2198 i[[34567]]86-*-sco3.2v5*)
2199 if test $with_gnu_as = yes; then
2200 md_exec_prefix=/usr/gnu/bin
2202 md_exec_prefix=/usr/ccs/bin/elf
2207 powerpc-*-chorusos* | \
2208 powerpc*-*-eabi* | \
2209 powerpc*-*-sysv* | \
2210 powerpc*-*-kaos* | \
2212 md_exec_prefix=/usr/ccs/bin
2217 md_exec_prefix=/usr/ccs/bin
2232 md_exec_prefix=/usr/ccs/bin
2236 extra_arflags_for_target=
2237 extra_nmflags_for_target=
2238 extra_ranlibflags_for_target=
2239 target_makefile_frag=/dev/null
2242 target_makefile_frag="config/mt-mep"
2245 target_makefile_frag="config/mt-spu"
2248 target_makefile_frag="config/mt-sde"
2250 mipsisa*-*-elfoabi*)
2251 target_makefile_frag="config/mt-mips-elfoabi"
2253 mips*-*-*linux* | mips*-*-gnu*)
2254 target_makefile_frag="config/mt-mips-gnu"
2257 target_makefile_frag="config/mt-netware"
2259 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2260 target_makefile_frag="config/mt-gnu"
2262 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2263 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2264 # commands to handle both 32-bit and 64-bit objects. These flags are
2265 # harmless if we're using GNU nm or ar.
2266 extra_arflags_for_target=" -X32_64"
2267 extra_nmflags_for_target=" -B -X32_64"
2270 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2271 extra_ranlibflags_for_target=" -c"
2273 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2274 target_makefile_frag="config/mt-wince"
2278 alphaieee_frag=/dev/null
2281 # This just makes sure to use the -mieee option to build target libs.
2282 # This should probably be set individually by each library.
2283 alphaieee_frag="config/mt-alphaieee"
2287 # If --enable-target-optspace always use -Os instead of -O2 to build
2288 # the target libraries, similarly if it is not specified, use -Os
2289 # on selected platforms.
2290 ospace_frag=/dev/null
2291 case "${enable_target_optspace}:${target}" in
2293 ospace_frag="config/mt-ospace"
2296 ospace_frag="config/mt-d30v"
2298 :m32r-* | :d10v-* | :fr30-*)
2299 ospace_frag="config/mt-ospace"
2304 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2308 # Default to using --with-stabs for certain targets.
2309 if test x${with_stabs} = x ; then
2311 mips*-*-irix[[56]]*)
2313 mips*-*-* | alpha*-*-osf*)
2315 extra_host_args="${extra_host_args} --with-stabs"
2320 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2321 # them automatically.
2324 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2328 # Some systems (e.g., one of the i386-aix systems the gas testers are
2329 # using) don't handle "\$" correctly, so don't use it here.
2330 tooldir='${exec_prefix}'/${target_noncanonical}
2331 build_tooldir=${tooldir}
2333 # Create a .gdbinit file which runs the one in srcdir
2334 # and tells GDB to look there for source files.
2336 if test -r ${srcdir}/.gdbinit ; then
2339 *) cat > ./.gdbinit <<EOF
2343 source ${srcdir}/.gdbinit
2349 # Make sure that the compiler is able to generate an executable. If it
2350 # can't, we are probably in trouble. We don't care whether we can run the
2351 # executable--we might be using a cross compiler--we only care whether it
2352 # can be created. At this point the main configure script has set CC.
2354 echo "int main () { return 0; }" > conftest.c
2355 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2356 if test $? = 0 ; then
2357 if test -s conftest || test -s conftest.exe ; then
2363 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2364 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2371 # The Solaris /usr/ucb/cc compiler does not appear to work.
2373 sparc-sun-solaris2*)
2374 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2375 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2377 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2378 if test -d /opt/cygnus/bin ; then
2379 if test "$could_use" = "" ; then
2380 could_use="/opt/cygnus/bin"
2382 could_use="$could_use or /opt/cygnus/bin"
2385 if test "$could_use" = "" ; then
2386 echo "Warning: compilation may fail because you're using"
2387 echo "/usr/ucb/cc. You should change your PATH or CC "
2388 echo "variable and rerun configure."
2390 echo "Warning: compilation may fail because you're using"
2391 echo "/usr/ucb/cc, when you should use the C compiler from"
2392 echo "$could_use. You should change your"
2393 echo "PATH or CC variable and rerun configure."
2399 # Decide which environment variable is used to find dynamic libraries.
2401 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2402 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2403 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2404 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2407 # On systems where the dynamic library environment variable is PATH,
2408 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2409 # built executables to PATH.
2410 if test "$RPATH_ENVVAR" = PATH; then
2411 GCC_SHLIB_SUBDIR=/shlib
2416 # Record target_configdirs and the configure arguments for target and
2417 # build configuration in Makefile.
2418 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2419 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2421 # If we are building libgomp, bootstrap it.
2422 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2423 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2426 # Determine whether gdb needs tk/tcl or not.
2427 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2428 # and in that case we want gdb to be built without tk. Ugh!
2429 # In fact I believe gdb is the *only* package directly dependent on tk,
2430 # so we should be able to put the 'maybe's in unconditionally and
2431 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2432 # 100% sure that that's safe though.
2434 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2435 case "$enable_gdbtk" in
2439 GDB_TK="${gdb_tk}" ;;
2441 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2442 # distro. Eventually someone will fix this and move Insight, nee
2443 # gdbtk to a separate directory.
2444 if test -d ${srcdir}/gdb/gdbtk ; then
2451 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2452 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2454 # Strip out unwanted targets.
2456 # While at that, we remove Makefiles if we were started for recursive
2457 # configuration, so that the top-level Makefile reconfigures them,
2458 # like we used to do when configure itself was recursive.
2460 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2461 # but now we're fixing up the Makefile ourselves with the additional
2462 # commands passed to AC_CONFIG_FILES. Use separate variables
2463 # extrasub-{build,host,target} not because there is any reason to split
2464 # the substitutions up that way, but only to remain below the limit of
2465 # 99 commands in a script, for HP-UX sed.
2466 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2468 AC_ARG_ENABLE([bootstrap],
2469 [AS_HELP_STRING([--enable-bootstrap],
2470 [enable bootstrapping @<:@yes if native build@:>@])],,
2471 enable_bootstrap=default)
2473 # Issue errors and warnings for invalid/strange bootstrap combinations.
2474 case "$configdirs" in
2475 *gcc*) have_compiler=yes ;;
2476 *) have_compiler=no ;;
2479 case "$have_compiler:$host:$target:$enable_bootstrap" in
2482 # Default behavior. Enable bootstrap if we have a compiler
2483 # and we are in a native configuration.
2484 yes:$build:$build:default)
2485 enable_bootstrap=yes ;;
2488 enable_bootstrap=no ;;
2490 # We have a compiler and we are in a native configuration, bootstrap is ok
2491 yes:$build:$build:yes)
2494 # Other configurations, but we have a compiler. Assume the user knows
2497 AC_MSG_WARN([trying to bootstrap a cross compiler])
2500 # No compiler: if they passed --enable-bootstrap explicitly, fail
2502 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2504 # Fail if wrong command line
2506 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2510 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2513 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2517 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2518 yes:yes:*\ gold\ *:*,c++,*) ;;
2519 yes:yes:*\ gold\ *:*)
2520 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2524 # Adjust the toplevel makefile according to whether bootstrap was selected.
2525 case $enable_bootstrap in
2527 bootstrap_suffix=bootstrap
2528 BUILD_CONFIG=bootstrap-debug
2531 bootstrap_suffix=no-bootstrap
2536 AC_MSG_CHECKING(for default BUILD_CONFIG)
2538 AC_ARG_WITH([build-config],
2539 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2540 [use config/NAME.mk build configuration])],
2541 [case $with_build_config in
2542 yes) with_build_config= ;;
2543 no) with_build_config= BUILD_CONFIG= ;;
2546 if test "x${with_build_config}" != x; then
2547 BUILD_CONFIG=$with_build_config
2549 case $BUILD_CONFIG in
2551 if echo "int f (void) { return 0; }" > conftest.c &&
2552 ${CC} -c conftest.c &&
2553 mv conftest.o conftest.o.g0 &&
2554 ${CC} -c -g conftest.c &&
2555 mv conftest.o conftest.o.g &&
2556 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2561 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2565 AC_MSG_RESULT($BUILD_CONFIG)
2566 AC_SUBST(BUILD_CONFIG)
2569 for module in ${build_configdirs} ; do
2570 if test -z "${no_recursion}" \
2571 && test -f ${build_subdir}/${module}/Makefile; then
2572 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2573 rm -f ${build_subdir}/${module}/Makefile
2575 extrasub_build="$extrasub_build
2576 /^@if build-$module\$/d
2577 /^@endif build-$module\$/d
2578 /^@if build-$module-$bootstrap_suffix\$/d
2579 /^@endif build-$module-$bootstrap_suffix\$/d"
2582 for module in ${configdirs} ; do
2583 if test -z "${no_recursion}"; then
2584 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2585 if test -f ${file}; then
2586 echo 1>&2 "*** removing ${file} to force reconfigure"
2591 extrasub_host="$extrasub_host
2593 /^@endif $module\$/d
2594 /^@if $module-$bootstrap_suffix\$/d
2595 /^@endif $module-$bootstrap_suffix\$/d"
2598 for module in ${target_configdirs} ; do
2599 if test -z "${no_recursion}" \
2600 && test -f ${target_subdir}/${module}/Makefile; then
2601 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2602 rm -f ${target_subdir}/${module}/Makefile
2605 # We only bootstrap target libraries listed in bootstrap_target_libs.
2606 case $bootstrap_target_libs in
2607 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2608 *) target_bootstrap_suffix=no-bootstrap ;;
2611 extrasub_target="$extrasub_target
2612 /^@if target-$module\$/d
2613 /^@endif target-$module\$/d
2614 /^@if target-$module-$target_bootstrap_suffix\$/d
2615 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2618 # Do the final fixup along with target modules.
2619 extrasub_target="$extrasub_target
2620 /^@if /,/^@endif /d"
2622 # Create the serialization dependencies. This uses a temporary file.
2624 AC_ARG_ENABLE([serial-configure],
2625 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2626 [force sequential configuration of
2627 sub-packages for the host, target or build
2628 machine, or all sub-packages])])
2630 case ${enable_serial_configure} in
2632 enable_serial_build_configure=yes
2633 enable_serial_host_configure=yes
2634 enable_serial_target_configure=yes
2638 # These force 'configure's to be done one at a time, to avoid problems
2639 # with contention over a shared config.cache.
2641 echo '# serdep.tmp' > serdep.tmp
2643 test "x${enable_serial_build_configure}" = xyes &&
2644 for item in ${build_configdirs} ; do
2647 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2652 test "x${enable_serial_host_configure}" = xyes &&
2653 for item in ${configdirs} ; do
2656 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2661 test "x${enable_serial_target_configure}" = xyes &&
2662 for item in ${target_configdirs} ; do
2665 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2669 serialization_dependencies=serdep.tmp
2670 AC_SUBST_FILE(serialization_dependencies)
2672 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2673 # target, nonopt, and variable assignments. These are the ones we
2674 # might not want to pass down to subconfigures. The exception being
2675 # --cache-file=/dev/null, which is used to turn off the use of cache
2676 # files altogether, and which should be passed on to subconfigures.
2677 # Also strip program-prefix, program-suffix, and program-transform-name,
2678 # so that we can pass down a consistent program-transform-name.
2683 eval "set -- $ac_configure_args"
2686 if test X"$skip_next" = X"yes"; then
2690 if test X"$keep_next" = X"yes"; then
2693 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2695 baseargs="$baseargs '$ac_arg'"
2696 tbaseargs="$tbaseargs '$ac_arg'"
2701 # Handle separated arguments. Based on the logic generated by
2704 *=* | --config-cache | -C | -disable-* | --disable-* \
2705 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2706 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2707 | -with-* | --with-* | -without-* | --without-* | --x)
2721 --with-* | --without-*)
2722 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2726 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2729 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2738 mpc | mpfr | gmp | ppl | cloog)
2739 # If we're processing --with-$lib, --with-$lib-include or
2740 # --with-$lib-lib, for one of the libs above, and target is
2741 # different from host, don't pass the current argument to any
2742 # target library's configure.
2743 if test x$is_cross_compiler = xyes; then
2752 --cache-file=/dev/null | \
2753 -cache-file=/dev/null )
2754 # Handled here to avoid the test to skip args below.
2755 baseargs="$baseargs '$ac_arg'"
2756 tbaseargs="$tbaseargs '$ac_arg'"
2757 # Assert: $separate_arg should always be no.
2758 keep_next=$separate_arg
2774 -program-prefix* | \
2775 -program-suffix* | \
2776 -program-transform-name* )
2777 skip_next=$separate_arg
2781 # An option. Add it.
2784 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2786 baseargs="$baseargs '$ac_arg'"
2787 if test X"$skip_targ" = Xno; then
2788 tbaseargs="$tbaseargs '$ac_arg'"
2790 keep_next=$separate_arg
2793 # Either a variable assignment, or a nonopt (triplet). Don't
2794 # pass it down; let the Makefile handle this.
2799 # Remove the initial space we just introduced and, as these will be
2800 # expanded by make, quote '$'.
2801 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2803 # Add in --program-transform-name, after --program-prefix and
2804 # --program-suffix have been applied to it. Autoconf has already
2805 # doubled dollar signs and backslashes in program_transform_name; we want
2806 # the backslashes un-doubled, and then the entire thing wrapped in single
2807 # quotes, because this will be expanded first by make and then by the shell.
2808 # Also, because we want to override the logic in subdir configure scripts to
2809 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2810 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2811 ${program_transform_name}
2813 gcc_transform_name=`cat conftestsed.out`
2814 rm -f conftestsed.out
2815 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2816 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2817 if test "$silent" = yes; then
2818 baseargs="$baseargs --silent"
2819 tbaseargs="$tbaseargs --silent"
2821 baseargs="$baseargs --disable-option-checking"
2822 tbaseargs="$tbaseargs --disable-option-checking"
2824 # Record and document user additions to sub configure arguments.
2825 AC_ARG_VAR([build_configargs],
2826 [additional configure arguments for build directories])
2827 AC_ARG_VAR([host_configargs],
2828 [additional configure arguments for host directories])
2829 AC_ARG_VAR([target_configargs],
2830 [additional configure arguments for target directories])
2832 # For the build-side libraries, we just need to pretend we're native,
2833 # and not use the same cache file. Multilibs are neither needed nor
2835 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2837 # For host modules, accept cache file option, or specification as blank.
2838 case "${cache_file}" in
2840 cache_file_option="" ;;
2841 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2842 cache_file_option="--cache-file=${cache_file}" ;;
2844 cache_file_option="--cache-file=../${cache_file}" ;;
2847 # Host dirs don't like to share a cache file either, horribly enough.
2848 # This seems to be due to autoconf 2.5x stupidity.
2849 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2851 target_configargs="$target_configargs ${tbaseargs}"
2853 # Passing a --with-cross-host argument lets the target libraries know
2854 # whether they are being built with a cross-compiler or being built
2855 # native. However, it would be better to use other mechanisms to make the
2856 # sorts of decisions they want to make on this basis. Please consider
2857 # this option to be deprecated. FIXME.
2858 if test x${is_cross_compiler} = xyes ; then
2859 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2862 # Default to --enable-multilib.
2863 if test x${enable_multilib} = x ; then
2864 target_configargs="--enable-multilib ${target_configargs}"
2867 # Pass --with-newlib if appropriate. Note that target_configdirs has
2868 # changed from the earlier setting of with_newlib.
2869 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2870 target_configargs="--with-newlib ${target_configargs}"
2873 # Different target subdirs use different values of certain variables
2874 # (notably CXX). Worse, multilibs use *lots* of different values.
2875 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2876 # it doesn't automatically accept command-line overrides of them.
2877 # This means it's not safe for target subdirs to share a cache file,
2878 # which is disgusting, but there you have it. Hopefully this can be
2879 # fixed in future. It's still worthwhile to use a cache file for each
2880 # directory. I think.
2882 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2883 # We need to pass --target, as newer autoconf's requires consistency
2884 # for target_alias and gcc doesn't manage it consistently.
2885 target_configargs="--cache-file=./config.cache ${target_configargs}"
2888 case " $target_configdirs " in
2890 case " $target_configargs " in
2891 *" --with-newlib "*)
2894 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 $$s/winsup/w32api/include'
2898 # If we're not building GCC, don't discard standard headers.
2899 if test -d ${srcdir}/gcc; then
2900 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2902 if test "${build}" != "${host}"; then
2903 # On Canadian crosses, CC_FOR_TARGET will have already been set
2904 # by `configure', so we won't have an opportunity to add -Bgcc/
2905 # to it. This is right: we don't want to search that directory
2906 # for binaries, but we want the header files in there, so add
2908 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2910 # Someone might think of using the pre-installed headers on
2911 # Canadian crosses, in case the installed compiler is not fully
2912 # compatible with the compiler being built. In this case, it
2913 # would be better to flag an error than risking having
2914 # incompatible object files being constructed. We can't
2915 # guarantee that an error will be flagged, but let's hope the
2916 # compiler will do it, when presented with incompatible header
2921 case "${target}-${is_cross_compiler}" in
2922 i[[3456789]]86-*-linux*-no)
2923 # Here host == target, so we don't need to build gcc,
2924 # so we don't want to discard standard headers.
2925 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2928 # If we're building newlib, use its generic headers last, but search
2929 # for any libc-related directories first (so make it the last -B
2931 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2933 # If we're building libgloss, find the startup file, simulator library
2934 # and linker script.
2935 case " $target_configdirs " in
2937 # Look for startup file, simulator library and maybe linker script.
2938 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2939 # Look for libnosys.a in case the target needs it.
2940 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2941 # Most targets have the linker script in the source directory.
2942 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2953 x86_64-*mingw* | *-w64-mingw*)
2954 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2955 # however, use a symlink named 'mingw' in ${prefix} .
2956 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2959 # MinGW can't be handled as Cygwin above since it does not use newlib.
2960 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2964 # Allow the user to override the flags for
2965 # our build compiler if desired.
2966 if test x"${build}" = x"${host}" ; then
2967 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2968 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2969 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2972 # On Canadian crosses, we'll be searching the right directories for
2973 # the previously-installed cross compiler, so don't bother to add
2974 # flags for directories within the install tree of the compiler
2975 # being built; programs in there won't even run.
2976 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2977 # Search for pre-installed headers if nothing else fits.
2978 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2981 if test "x${use_gnu_ld}" = x &&
2982 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2983 # Arrange for us to find uninstalled linker scripts.
2984 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2987 # Search for other target-specific linker scripts and such.
2990 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2994 # Makefile fragments.
2995 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2997 eval fragval=\$$frag
2998 if test $fragval != /dev/null; then
2999 eval $frag=${srcdir}/$fragval
3002 AC_SUBST_FILE(host_makefile_frag)
3003 AC_SUBST_FILE(target_makefile_frag)
3004 AC_SUBST_FILE(alphaieee_frag)
3005 AC_SUBST_FILE(ospace_frag)
3007 # Miscellanea: directories, flags, etc.
3008 AC_SUBST(RPATH_ENVVAR)
3009 AC_SUBST(GCC_SHLIB_SUBDIR)
3011 AC_SUBST(build_tooldir)
3012 AC_SUBST(CONFIGURE_GDB_TK)
3014 AC_SUBST(INSTALL_GDB_TK)
3016 # Build module lists & subconfigure args.
3017 AC_SUBST(build_configargs)
3018 AC_SUBST(build_configdirs)
3020 # Host module lists & subconfigure args.
3021 AC_SUBST(host_configargs)
3022 AC_SUBST(configdirs)
3023 AC_SUBST(target_configdirs)
3025 # Target module lists & subconfigure args.
3026 AC_SUBST(target_configargs)
3030 AC_SUBST(AR_FOR_BUILD)
3031 AC_SUBST(AS_FOR_BUILD)
3032 AC_SUBST(CC_FOR_BUILD)
3033 AC_SUBST(CFLAGS_FOR_BUILD)
3034 AC_SUBST(CXXFLAGS_FOR_BUILD)
3035 AC_SUBST(CXX_FOR_BUILD)
3036 AC_SUBST(DLLTOOL_FOR_BUILD)
3037 AC_SUBST(GCJ_FOR_BUILD)
3038 AC_SUBST(GFORTRAN_FOR_BUILD)
3039 AC_SUBST(GOC_FOR_BUILD)
3040 AC_SUBST(LDFLAGS_FOR_BUILD)
3041 AC_SUBST(LD_FOR_BUILD)
3042 AC_SUBST(NM_FOR_BUILD)
3043 AC_SUBST(RANLIB_FOR_BUILD)
3044 AC_SUBST(WINDMC_FOR_BUILD)
3045 AC_SUBST(WINDRES_FOR_BUILD)
3046 AC_SUBST(config_shell)
3048 # Generate default definitions for YACC, M4, LEX and other programs that run
3049 # on the build machine. These are used if the Makefile can't locate these
3050 # programs in objdir.
3051 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3053 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3054 case " $build_configdirs " in
3055 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3056 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3059 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3060 case " $build_configdirs " in
3061 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3064 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3065 case " $build_configdirs " in
3066 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3069 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3070 case " $build_configdirs " in
3071 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3072 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3075 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3076 case " $build_configdirs " in
3077 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3080 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3081 case " $build_configdirs " in
3082 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3085 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3086 # higher, else we use the "missing" dummy.
3087 if ${MAKEINFO} --version \
3088 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3091 MAKEINFO="$MISSING makeinfo"
3097 # FIXME: expect and dejagnu may become build tools?
3099 AC_CHECK_PROGS(EXPECT, expect, expect)
3100 case " $configdirs " in
3102 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3106 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3107 case " $configdirs " in
3109 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3115 NCN_STRICT_CHECK_TOOLS(AR, ar)
3116 NCN_STRICT_CHECK_TOOLS(AS, as)
3117 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3118 NCN_STRICT_CHECK_TOOLS(LD, ld)
3119 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3120 NCN_STRICT_CHECK_TOOLS(NM, nm)
3121 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3122 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3123 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3124 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3125 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3126 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3133 AC_ARG_WITH([build-time-tools],
3134 [AS_HELP_STRING([--with-build-time-tools=PATH],
3135 [use given path to find target tools during the build])],
3136 [case x"$withval" in
3139 with_build_time_tools=
3140 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3143 [with_build_time_tools=])
3145 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3146 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3147 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3148 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3149 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3150 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3152 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3153 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3154 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3155 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3156 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3157 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3158 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3159 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3160 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3161 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3162 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3164 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3166 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3167 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3168 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3169 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3170 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3171 [gcc/g++ -B$$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],
3173 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3174 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3176 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3177 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3178 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3179 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3180 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3181 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3182 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3183 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3184 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3185 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3186 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3187 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3188 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3189 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3190 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3191 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3193 AC_SUBST(FLAGS_FOR_TARGET)
3194 AC_SUBST(RAW_CXX_FOR_TARGET)
3196 # Certain tools may need extra flags.
3197 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3198 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3199 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3201 # When building target libraries, except in a Canadian cross, we use
3202 # the same toolchain as the compiler we just built.
3203 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3204 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3205 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3206 if test $host = $build; then
3207 case " $configdirs " in
3209 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3210 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3211 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3216 AC_SUBST(COMPILER_AS_FOR_TARGET)
3217 AC_SUBST(COMPILER_LD_FOR_TARGET)
3218 AC_SUBST(COMPILER_NM_FOR_TARGET)
3220 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3221 AC_ARG_ENABLE(maintainer-mode,
3222 [AS_HELP_STRING([--enable-maintainer-mode],
3223 [enable make rules and dependencies not useful
3224 (and sometimes confusing) to the casual installer])],
3225 USE_MAINTAINER_MODE=$enableval,
3226 USE_MAINTAINER_MODE=no)
3227 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3228 AC_SUBST(MAINTAINER_MODE_TRUE)
3229 AC_SUBST(MAINTAINER_MODE_FALSE)
3230 if test "$USE_MAINTAINER_MODE" = yes; then
3231 MAINTAINER_MODE_TRUE=
3232 MAINTAINER_MODE_FALSE='#'
3234 MAINTAINER_MODE_TRUE='#'
3235 MAINTAINER_MODE_FALSE=
3237 MAINT=$MAINTAINER_MODE_TRUE
3240 # ---------------------
3241 # GCC bootstrap support
3242 # ---------------------
3244 # Stage specific cflags for build.
3249 yes) stage1_cflags="-g -Wa,-J" ;;
3250 *) stage1_cflags="-g -J" ;;
3254 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3255 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3256 saved_CFLAGS="$CFLAGS"
3258 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3259 CFLAGS="$CFLAGS -fkeep-inline-functions"
3260 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3262 #if (__GNUC__ < 3) \
3263 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3264 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3265 #error http://gcc.gnu.org/PR29382
3268 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3269 [AC_MSG_RESULT([no])])
3271 CFLAGS="$saved_CFLAGS"
3274 AC_SUBST(stage1_cflags)
3276 # Enable --enable-checking in stage1 of the compiler.
3277 AC_ARG_ENABLE(stage1-checking,
3278 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3279 [choose additional checking for stage1 of the compiler])],
3280 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3281 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3282 stage1_checking=--enable-checking=yes,types
3284 stage1_checking=--enable-checking=$enable_checking,types
3286 AC_SUBST(stage1_checking)
3288 # Enable -Werror in bootstrap stage2 and later.
3289 AC_ARG_ENABLE(werror,
3290 [AS_HELP_STRING([--enable-werror],
3291 [enable -Werror in bootstrap stage2 and later])], [],
3292 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3297 case ${enable_werror} in
3298 yes) stage2_werror_flag="--enable-werror-always" ;;
3299 *) stage2_werror_flag="" ;;
3301 AC_SUBST(stage2_werror_flag)
3303 # Specify what files to not compare during bootstrap.
3305 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3307 hppa*64*-*-hpux*) ;;
3308 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3310 case " $configdirs " in
3311 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3313 AC_SUBST(compare_exclusions)
3315 AC_CONFIG_FILES([Makefile],
3316 [sed "$extrasub_build" Makefile |
3317 sed "$extrasub_host" |
3318 sed "$extrasub_target" > mf$$
3319 mv -f mf$$ Makefile],
3320 [extrasub_build="$extrasub_build"
3321 extrasub_host="$extrasub_host"
3322 extrasub_target="$extrasub_target"])