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)
189 # Note that libiberty is not a target library.
190 target_libraries="target-libgcc \
194 target-libstdc++-v3 \
205 # these tools are built using the target libraries, and are intended to
206 # run only in the target environment
208 # note: any program that *uses* libraries that are in the "target_libraries"
209 # list belongs in this list. those programs are also very likely
210 # candidates for the "native_only" list which follows
212 target_tools="target-examples target-groff target-gperf target-rda"
214 ################################################################################
216 ## All tools belong in one of the four categories, and are assigned above
217 ## We assign ${configdirs} this way to remove all embedded newlines. This
218 ## is important because configure will choke if they ever get through.
219 ## ${configdirs} is directories we build using the host tools.
220 ## ${target_configdirs} is directories we build using the target tools.
221 configdirs=`echo ${host_libs} ${host_tools}`
222 target_configdirs=`echo ${target_libraries} ${target_tools}`
223 build_configdirs=`echo ${build_libs} ${build_tools}`
225 m4_divert_text([PARSE_ARGS],
228 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
229 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
230 m4_popdef([AS_MESSAGE_LOG_FD])dnl
233 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
236 ################################################################################
238 srcname="gnu development package"
240 # This gets set non-empty for some net releases of packages.
243 # Define is_cross_compiler to save on calls to 'test'.
245 if test x"${host}" = x"${target}" ; then
248 is_cross_compiler=yes
251 # Find the build and target subdir names.
253 # Be sure to cover against remnants of an in-tree build.
254 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
255 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
256 Use a pristine source tree when building in a separate tree])
259 # Skipdirs are removed silently.
261 # Noconfigdirs are removed loudly.
265 # Make sure we don't let GNU ld be added if we didn't want it.
266 if test x$with_gnu_ld = xno ; then
268 noconfigdirs="$noconfigdirs ld gold"
272 # Make sure we don't let GNU as be added if we didn't want it.
273 if test x$with_gnu_as = xno ; then
275 noconfigdirs="$noconfigdirs gas"
279 # Make sure we don't let ZLIB be added if we didn't want it.
280 if test x$with_system_zlib = xyes ; then
282 noconfigdirs="$noconfigdirs zlib"
285 # some tools are so dependent upon X11 that if we're not building with X,
286 # it's not even worth trying to configure, much less build, that tool.
289 yes | "") ;; # the default value for this tree is that X11 is available
291 skipdirs="${skipdirs} tk itcl libgui"
292 # We won't be able to build gdbtk without X.
295 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
298 # Some tools are only suitable for building in a "native" situation.
299 # Remove these if host!=target.
300 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"
302 # Similarly, some are only suitable for cross toolchains.
303 # Remove these if host=target.
304 cross_only="target-libgloss target-newlib target-opcodes"
306 case $is_cross_compiler in
307 no) skipdirs="${skipdirs} ${cross_only}" ;;
308 yes) skipdirs="${skipdirs} ${native_only}" ;;
311 # If both --with-headers and --with-libs are specified, default to
313 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
314 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
315 if test x"${with_newlib}" = x ; then
320 # Recognize --with-newlib/--without-newlib.
321 case ${with_newlib} in
322 no) skipdirs="${skipdirs} target-newlib" ;;
323 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
326 # Handle --enable-gold, --enable-ld.
327 # --disable-gold [--enable-ld]
328 # Build only ld. Default option.
329 # --enable-gold [--enable-ld]
330 # Build both gold and ld. Install gold as "ld.gold", install ld
331 # as "ld.bfd" and "ld".
332 # --enable-gold=default [--enable-ld]
333 # Build both gold and ld. Install gold as "ld.gold" and "ld",
334 # install ld as "ld.bfd".
335 # --enable-gold[=default] --disable-ld
336 # Build only gold, which is then installed as both "ld.gold" and "ld".
337 # --enable-gold --enable-ld=default
338 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
340 # In other words, ld is default
341 # --enable-gold=default --enable-ld=default
346 [AS_HELP_STRING([[--enable-gold[=ARG]]],
347 [build gold @<:@ARG={default,yes,no}@:>@])],
348 ENABLE_GOLD=$enableval,
350 case "${ENABLE_GOLD}" in
352 # Check for ELF target.
355 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
356 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
357 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
359 *-*-linux*aout* | *-*-linux*oldld*)
367 if test "$is_elf" = "yes"; then
368 # Check for target supported by gold.
370 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
371 configdirs="$configdirs gold"
372 if test x${ENABLE_GOLD} = xdefault; then
383 AC_MSG_ERROR([invalid --enable-gold argument])
388 [AS_HELP_STRING([[--enable-ld[=ARG]]],
389 [build ld @<:@ARG={default,yes,no}@:>@])],
390 ENABLE_LD=$enableval,
393 case "${ENABLE_LD}" in
395 if test x${default_ld} != x; then
396 AC_MSG_ERROR([either gold or ld can be the default ld])
402 if test x${ENABLE_GOLD} != xyes; then
403 AC_MSG_WARN([neither ld nor gold are enabled])
405 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
408 AC_MSG_ERROR([invalid --enable-ld argument])
412 # Configure extra directories which are host specific
416 configdirs="$configdirs libtermcap" ;;
419 # A target can indicate whether a language isn't supported for some reason.
420 # Only spaces may be used in this macro; not newlines or tabs.
421 unsupported_languages=
423 # Remove more programs from consideration, based on the host or
424 # target this usually means that a port of the program doesn't
429 noconfigdirs="$noconfigdirs byacc"
431 i[[3456789]]86-*-vsta)
432 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
434 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
435 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
438 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
440 i[[3456789]]86-*-mingw32*)
441 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
442 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
444 i[[3456789]]86-*-beos*)
445 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
448 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
451 noconfigdirs="$noconfigdirs rcs"
454 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
457 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
462 AC_ARG_ENABLE(libquadmath,
463 AS_HELP_STRING([--disable-libquadmath],
464 [do not build libquadmath directory]),
465 ENABLE_LIBQUADMATH=$enableval,
466 ENABLE_LIBQUADMATH=yes)
467 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
468 noconfigdirs="$noconfigdirs target-libquadmath"
472 AC_ARG_ENABLE(libquadmath-support,
473 AS_HELP_STRING([--disable-libquadmath-support],
474 [disable libquadmath support for Fortran]),
475 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
476 ENABLE_LIBQUADMATH_SUPPORT=yes)
477 enable_libquadmath_support=
478 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
479 enable_libquadmath_support=no
483 AC_ARG_ENABLE(libada,
484 [AS_HELP_STRING([--enable-libada], [build libada directory])],
485 ENABLE_LIBADA=$enableval,
487 if test "${ENABLE_LIBADA}" != "yes" ; then
488 noconfigdirs="$noconfigdirs gnattools"
491 AC_ARG_ENABLE(libssp,
492 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
493 ENABLE_LIBSSP=$enableval,
496 # Save it here so that, even in case of --enable-libgcj, if the Java
497 # front-end isn't enabled, we still get libgcj disabled.
499 case $enable_libgcj in
501 # If we reset it here, it won't get added to noconfigdirs in the
502 # target-specific build rules, so it will be forcibly enabled
503 # (unless the Java language itself isn't enabled).
507 # Make sure we get it printed in the list of not supported target libs.
508 # Don't disable libffi, though, other languages use it.
509 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
510 # Clear libgcj_saved so that even if java is enabled libffi won't be
517 # Disable libmudflap on some systems.
518 if test x$enable_libmudflap = x ; then
520 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
521 # Enable libmudflap by default in GNU and friends.
524 # Enable libmudflap by default in FreeBSD.
527 # Disable it by default everywhere else.
528 noconfigdirs="$noconfigdirs target-libmudflap"
533 # Disable libgomp on non POSIX hosted systems.
534 if test x$enable_libgomp = x ; then
535 # Enable libgomp by default on hosted POSIX systems.
537 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
539 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
541 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
543 *-*-darwin* | *-*-aix*)
546 noconfigdirs="$noconfigdirs target-libgomp"
551 # Default libgloss CPU subdirectory.
552 libgloss_dir="$target_cpu"
556 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
559 noconfigdirs="$noconfigdirs ld gas gdb gprof"
560 noconfigdirs="$noconfigdirs sim target-rda"
562 i[[3456789]]86-*-darwin*)
563 noconfigdirs="$noconfigdirs ld gprof"
564 noconfigdirs="$noconfigdirs sim target-rda"
566 x86_64-*-darwin[[912]]*)
567 noconfigdirs="$noconfigdirs ld gas gprof"
568 noconfigdirs="$noconfigdirs sim target-rda"
571 noconfigdirs="$noconfigdirs ld gas gdb gprof"
572 noconfigdirs="$noconfigdirs sim target-rda"
573 noconfigdirs="$noconfigdirs ${libgcj}"
575 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
576 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
579 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
580 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
581 && test -f /usr/local/include/gmp.h; then
585 # Skip some stuff that's unsupported on some FreeBSD configurations.
591 noconfigdirs="$noconfigdirs ${libgcj}"
596 # Remove unsupported stuff on all kaOS configurations.
597 skipdirs="${libgcj} target-libstdc++-v3 target-librx"
598 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
599 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
600 noconfigdirs="$noconfigdirs target-libgloss"
603 # Skip some stuff on all NetBSD configurations.
604 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
606 # Skip some stuff that's unsupported on some NetBSD configurations.
608 i*86-*-netbsdelf*) ;;
609 arm*-*-netbsdelf*) ;;
611 noconfigdirs="$noconfigdirs ${libgcj}"
616 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj} target-libmudflap"
619 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
621 # The tpf target doesn't support gdb yet.
623 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
626 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
629 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libstdc++-v3 ${libgcj}"
632 # ld works, but does not support shared libraries.
633 # newlib is not 64 bit ready. I'm not sure about fileutils.
634 # gas doesn't generate exception information.
635 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
638 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
641 # newlib is not 64 bit ready
642 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
645 # newlib is not 64 bit ready
646 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
649 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
652 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
654 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
655 noconfigdirs="$noconfigdirs ${libgcj}"
656 noconfigdirs="$noconfigdirs target-examples"
657 noconfigdirs="$noconfigdirs texinfo send-pr"
658 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
659 noconfigdirs="$noconfigdirs expect dejagnu"
660 # the C++ libraries don't build on top of CE's C libraries
661 noconfigdirs="$noconfigdirs target-libstdc++-v3"
662 noconfigdirs="$noconfigdirs target-newlib"
664 *-*-cygwin*) ;; # keep gdb and readline
665 *) noconfigdirs="$noconfigdirs gdb readline"
671 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
675 arm-*-coff | strongarm-*-coff | xscale-*-coff)
676 noconfigdirs="$noconfigdirs ${libgcj}"
679 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
680 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
683 arm*-*-linux-androideabi)
684 noconfigdirs="$noconfigdirs target-libiberty"
686 arm*-*-linux-gnueabi)
687 noconfigdirs="$noconfigdirs target-qthreads"
688 case ${with_newlib} in
689 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
694 noconfigdirs="$noconfigdirs ${libgcj}"
698 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
701 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
704 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
707 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
710 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
713 noconfigdirs="$noconfigdirs target-libstdc++-v3 ${libgcj} target-libssp"
716 unsupported_languages="$unsupported_languages java"
717 noconfigdirs="$noconfigdirs target-boehm-gc"
718 if test x${is_cross_compiler} != xno ; then
719 target_configdirs="${target_configdirs} target-bsp target-cygmon"
723 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
725 c54x*-*-* | tic54x-*-*)
726 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
729 noconfigdirs="$noconfigdirs ${libgcj} gdb"
731 cris-*-* | crisv32-*-*)
732 unsupported_languages="$unsupported_languages java"
735 unsupported_languages="$unsupported_languages fortran"
736 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
737 *-*-elf) # See PR46792 regarding target-libffi.
738 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
740 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
742 unsupported_languages="$unsupported_languages fortran"
743 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
748 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
751 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
754 noconfigdirs="$noconfigdirs ${libgcj} gdb"
756 ep9312-*-elf | ep9312-*-coff)
760 noconfigdirs="$noconfigdirs ${libgcj} gdb"
763 noconfigdirs="$noconfigdirs ${libgcj}"
766 noconfigdirs="$noconfigdirs ${libgcj}"
767 noconfigdirs="$noconfigdirs gprof"
770 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
773 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
775 hppa1.1-*-osf* | hppa1.1-*-bsd* )
777 hppa*64*-*-linux* | parisc*64*-*-linux*)
778 # In this case, it's because the hppa64-linux target is for
779 # the kernel only at this point and has no libc, and thus no
780 # headers, crt*.o, etc., all of which are needed by these.
781 noconfigdirs="$noconfigdirs target-zlib"
783 parisc*-*-linux* | hppa*-*-linux*)
789 noconfigdirs="$noconfigdirs ${libgcj}"
792 noconfigdirs="$noconfigdirs ld shellutils"
798 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
799 # build on HP-UX 10.20.
800 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
803 noconfigdirs="$noconfigdirs ${libgcj} gdb"
806 # No gdb support yet.
807 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
811 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
814 # No gdb or ld support yet.
815 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
819 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
820 noconfigdirs="$noconfigdirs ${libgcj}"
823 i[[3456789]]86-*-linux*)
824 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
825 # not build java stuff by default.
828 noconfigdirs="$noconfigdirs ${libgcj}";;
831 # This section makes it possible to build newlib natively on linux.
832 # If we are using a cross compiler then don't configure newlib.
833 if test x${is_cross_compiler} != xno ; then
834 noconfigdirs="$noconfigdirs target-newlib"
836 noconfigdirs="$noconfigdirs target-libgloss"
837 # If we are not using a cross compiler, do configure newlib.
838 # Note however, that newlib will only be configured in this situation
839 # if the --with-newlib option has been given, because otherwise
840 # 'target-newlib' will appear in skipdirs.
842 i[[3456789]]86-w64-mingw*)
843 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
845 i[[3456789]]86-*-mingw*)
846 target_configdirs="$target_configdirs target-winsup"
847 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
850 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
853 target_configdirs="$target_configdirs target-libtermcap target-winsup"
854 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
855 # always build newlib if winsup directory is present.
856 if test -d "$srcdir/winsup/cygwin"; then
857 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
858 elif test -d "$srcdir/newlib"; then
859 echo "Warning: winsup/cygwin is missing so newlib can't be built."
862 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
863 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
866 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
868 i[[3456789]]86-*-sco3.2v5*)
869 # The linker does not yet know about weak symbols in COFF,
870 # and is not configured to handle mixed ELF and COFF.
871 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
873 i[[3456789]]86-*-sco*)
874 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
876 i[[3456789]]86-*-solaris2*)
877 noconfigdirs="$noconfigdirs target-libgloss"
879 i[[3456789]]86-*-sysv4*)
880 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
882 i[[3456789]]86-*-beos*)
883 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
885 i[[3456789]]86-*-rdos*)
886 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
889 noconfigdirs="$noconfigdirs ${libgcj}"
891 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
892 noconfigdirs="$noconfigdirs target-libstdc++-v3 ${libgcj}"
896 noconfigdirs="$noconfigdirs ${libgcj}"
899 noconfigdirs="$noconfigdirs ${libgcj}"
905 # The EPOC C++ environment does not support exceptions or rtti,
906 # and so building libstdc++-v3 tends not to always work.
907 noconfigdirs="$noconfigdirs target-libstdc++-v3"
910 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
911 unsupported_languages="$unsupported_languages fortran java"
914 noconfigdirs="$noconfigdirs ${libgcj}"
917 noconfigdirs="$noconfigdirs ${libgcj}"
920 noconfigdirs="$noconfigdirs sim"
923 # copied from rs6000-*-* entry
924 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
926 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
927 target_configdirs="$target_configdirs target-winsup"
928 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
929 # always build newlib.
930 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
932 # This is temporary until we can link against shared libraries
933 powerpcle-*-solaris*)
934 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
938 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
941 noconfigdirs="$noconfigdirs ${libgcj}"
944 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
948 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
951 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
954 noconfigdirs="$noconfigdirs gprof ${libgcj}"
957 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
960 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
963 noconfigdirs="$noconfigdirs ${libgcj}"
964 if test x$with_newlib = xyes; then
965 noconfigdirs="$noconfigdirs gprof"
970 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
973 # Linking libjava exceeds command-line length limits on at least
974 # IRIX 6.2, but not on IRIX 6.5.
975 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
976 # <oldham@codesourcery.com>
977 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
980 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
983 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
986 noconfigdirs="$noconfigdirs gprof ${libgcj}"
990 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
994 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
995 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
996 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
997 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
1001 noconfigdirs="$noconfigdirs ${libgcj}" ;;
1003 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
1006 sparclet-*-aout* | sparc86x-*-*)
1010 noconfigdirs="$noconfigdirs ${libgcj}"
1013 noconfigdirs="$noconfigdirs ${libgcj}"
1017 noconfigdirs="$noconfigdirs ${libgcj}"
1021 noconfigdirs="$noconfigdirs ${libgcj}"
1022 if test x${is_cross_compiler} != xno ; then
1023 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1028 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
1029 noconfigdirs="$noconfigdirs ${libgcj}"
1031 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
1034 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
1037 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
1040 noconfigdirs="$noconfigdirs ${libgcj}"
1043 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
1046 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1049 noconfigdirs="$noconfigdirs ${libgcj}"
1052 noconfigdirs="$noconfigdirs target-libstdc++-v3 ${libgcj}"
1054 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1055 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1058 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1061 noconfigdirs="$noconfigdirs ${libgcj}"
1065 # If we aren't building newlib, then don't build libgloss, since libgloss
1066 # depends upon some newlib header files.
1067 case "${noconfigdirs}" in
1068 *target-libgloss*) ;;
1069 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1072 # Work in distributions that contain no compiler tools, like Autoconf.
1074 host_makefile_frag=/dev/null
1075 if test -d ${srcdir}/config ; then
1078 # Avoid "too much defining" errors from HPUX compiler.
1079 tentative_cc="cc -Wp,-H256000"
1080 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1081 # If it's HP/UX ar, this should be harmless.
1085 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1088 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1089 # chokes on bfd, the compiler won't let you assign integers to enums, and
1090 # other problems. Defining CC to gcc is a questionable way to say "don't use
1091 # the apollo compiler" (the preferred version of GCC could be called cc,
1092 # or whatever), but I'm not sure leaving CC as cc is any better...
1093 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1094 # Used to have BISON=yacc.
1098 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1101 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1102 tentative_cc="cc -Xa"
1103 host_makefile_frag="config/mh-cxux"
1105 m88k-motorola-sysv*)
1108 tentative_cc="cc -Wf,-XNg1000"
1109 host_makefile_frag="config/mh-decstation"
1112 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1113 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1114 host_makefile_frag="config/mh-necv4"
1117 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1118 # environment. Also bump switch table size so that cp-parse will
1119 # compile. Bump string length limit so linker builds.
1120 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1123 host_makefile_frag="config/mh-sysv4"
1126 # This is for a MIPS running RISC/os 4.52C.
1128 # This is needed for GDB, but needs to be in the top-level make because
1129 # if a library is compiled with the bsd headers and gets linked with the
1130 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1131 # a different size).
1132 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1133 # known except to select the sysv environment. Could we use /proc instead?
1134 # These "sysv environments" and "bsd environments" often end up being a pain.
1136 # This is not part of CFLAGS because perhaps not all C compilers have this
1138 tentative_cc="cc -systype sysv"
1143 i[[3456789]]86-*-sysv5*)
1144 host_makefile_frag="config/mh-sysv5"
1146 i[[3456789]]86-*-dgux*)
1147 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1148 host_makefile_frag="config/mh-dgux386"
1150 i[[3456789]]86-ncr-sysv4.3*)
1151 # The MetaWare compiler will generate a copyright message unless you
1152 # turn it off by adding the -Hnocopyr flag.
1153 tentative_cc="cc -Hnocopyr"
1155 i[[3456789]]86-ncr-sysv4*)
1156 # for an NCR 3000 (i486/SVR4) system.
1157 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1158 # This compiler not only emits obnoxious copyright messages every time
1159 # you run it, but it chokes and dies on a whole bunch of GNU source
1160 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1161 tentative_cc="/usr/ccs/ATT/cc"
1162 host_makefile_frag="config/mh-ncr3000"
1164 i[[3456789]]86-*-sco3.2v5*)
1166 i[[3456789]]86-*-sco*)
1167 # The native C compiler botches some simple uses of const. Unfortunately,
1168 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1169 tentative_cc="cc -Dconst="
1170 host_makefile_frag="config/mh-sco"
1172 i[[3456789]]86-*-udk*)
1173 host_makefile_frag="config/mh-sysv5"
1175 i[[3456789]]86-*-solaris2*)
1176 host_makefile_frag="config/mh-sysv4"
1178 i[[3456789]]86-*-msdosdjgpp*)
1179 host_makefile_frag="config/mh-djgpp"
1182 ACX_CHECK_CYGWIN_CAT_WORKS
1183 host_makefile_frag="config/mh-cygwin"
1186 host_makefile_frag="config/mh-mingw"
1189 host_makefile_frag="config/mh-interix"
1192 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1196 host_makefile_frag="config/mh-solaris"
1199 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1200 # without overflowing the jump tables (-J says to use a 32 bit table)
1201 tentative_cc="cc -J"
1204 tentative_cc="cc -Wp,-H256000"
1205 host_makefile_frag="config/mh-pa-hpux10"
1207 hppa*-hp-hpux* | hppa*-*-hiux*)
1208 tentative_cc="cc -Wp,-H256000"
1209 host_makefile_frag="config/mh-pa"
1212 host_makefile_frag="config/mh-pa"
1214 *-hp-hpux* | *-*-hiux*)
1215 tentative_cc="cc -Wp,-H256000"
1218 # /bin/cc is less than useful for our purposes. Always use GCC
1219 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1220 host_makefile_frag="config/mh-lynxrs6k"
1223 host_makefile_frag="config/mh-darwin"
1226 host_makefile_frag="config/mh-ppc-aix"
1229 host_makefile_frag="config/mh-ppc-aix"
1232 # /bin/cc is less than useful for our purposes. Always use GCC
1233 tentative_cc="/bin/gcc"
1236 host_makefile_frag="config/mh-sysv4"
1238 # This is placed last to prevent interfering with the cases above.
1240 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1241 host_makefile_frag="config/mh-x86omitfp"
1246 # If we aren't going to be using gcc, see if we can extract a definition
1247 # of CC from the fragment.
1248 # Actually, use the 'pre-extracted' version above.
1249 if test -z "${CC}" && test "${build}" = "${host}" ; then
1250 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1252 for dir in $PATH; do
1253 test -z "$dir" && dir=.
1254 if test -f $dir/gcc; then
1260 if test -z "${found}" && test -n "${tentative_cc}" ; then
1265 if test "${build}" != "${host}" ; then
1266 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1267 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1268 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1269 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1270 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1271 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1272 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1273 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1274 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1275 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1276 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1277 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1278 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1280 AR_FOR_BUILD="\$(AR)"
1281 AS_FOR_BUILD="\$(AS)"
1282 CC_FOR_BUILD="\$(CC)"
1283 CXX_FOR_BUILD="\$(CXX)"
1284 GCJ_FOR_BUILD="\$(GCJ)"
1285 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1286 GOC_FOR_BUILD="\$(GOC)"
1287 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1288 LD_FOR_BUILD="\$(LD)"
1289 NM_FOR_BUILD="\$(NM)"
1290 RANLIB_FOR_BUILD="\$(RANLIB)"
1291 WINDRES_FOR_BUILD="\$(WINDRES)"
1292 WINDMC_FOR_BUILD="\$(WINDMC)"
1298 # We must set the default linker to the linker used by gcc for the correct
1299 # operation of libtool. If LD is not defined and we are using gcc, try to
1300 # set the LD default to the ld used by gcc.
1301 if test -z "$LD"; then
1302 if test "$GCC" = yes; then
1305 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1307 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1309 case $gcc_prog_ld in
1310 # Accept absolute paths.
1311 [[\\/]* | [A-Za-z]:[\\/]*)]
1312 LD="$gcc_prog_ld" ;;
1318 ACX_PROG_CMP_IGNORE_INITIAL
1320 # See if we are building gcc with C++.
1321 AC_ARG_ENABLE(build-with-cxx,
1322 [AS_HELP_STRING([--enable-build-with-cxx],
1323 [build with C++ compiler instead of C compiler])],
1324 ENABLE_BUILD_WITH_CXX=$enableval,
1325 ENABLE_BUILD_WITH_CXX=no)
1327 # Used for setting $lt_cv_objdir
1330 # Check for GMP, MPFR and MPC
1331 gmplibs="-lmpc -lmpfr -lgmp"
1335 # Specify a location for mpc
1336 # check for this first so it ends up on the link line before mpfr.
1338 [AS_HELP_STRING([--with-mpc=PATH],
1339 [specify prefix directory for installed MPC package.
1340 Equivalent to --with-mpc-include=PATH/include
1341 plus --with-mpc-lib=PATH/lib])])
1342 AC_ARG_WITH(mpc-include,
1343 [AS_HELP_STRING([--with-mpc-include=PATH],
1344 [specify directory for installed MPC include files])])
1345 AC_ARG_WITH(mpc-lib,
1346 [AS_HELP_STRING([--with-mpc-lib=PATH],
1347 [specify directory for the installed MPC library])])
1349 if test "x$with_mpc" != x; then
1350 gmplibs="-L$with_mpc/lib $gmplibs"
1351 gmpinc="-I$with_mpc/include $gmpinc"
1353 if test "x$with_mpc_include" != x; then
1354 gmpinc="-I$with_mpc_include $gmpinc"
1356 if test "x$with_mpc_lib" != x; then
1357 gmplibs="-L$with_mpc_lib $gmplibs"
1359 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1360 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1361 gmpinc='-I$$s/mpc/src '"$gmpinc"
1362 # Do not test the mpc version. Assume that it is sufficient, since
1363 # it is in the source tree, and the library has not been built yet
1364 # but it would be included on the link line in the version check below
1365 # hence making the test fail.
1369 # Specify a location for mpfr
1370 # check for this first so it ends up on the link line before gmp.
1371 AC_ARG_WITH(mpfr-dir,
1372 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1373 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1374 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1377 [AS_HELP_STRING([--with-mpfr=PATH],
1378 [specify prefix directory for installed MPFR package.
1379 Equivalent to --with-mpfr-include=PATH/include
1380 plus --with-mpfr-lib=PATH/lib])])
1381 AC_ARG_WITH(mpfr-include,
1382 [AS_HELP_STRING([--with-mpfr-include=PATH],
1383 [specify directory for installed MPFR include files])])
1384 AC_ARG_WITH(mpfr-lib,
1385 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1386 [specify directory for the installed MPFR library])])
1388 if test "x$with_mpfr" != x; then
1389 gmplibs="-L$with_mpfr/lib $gmplibs"
1390 gmpinc="-I$with_mpfr/include $gmpinc"
1392 if test "x$with_mpfr_include" != x; then
1393 gmpinc="-I$with_mpfr_include $gmpinc"
1395 if test "x$with_mpfr_lib" != x; then
1396 gmplibs="-L$with_mpfr_lib $gmplibs"
1398 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1399 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1400 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1401 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1402 # Do not test the mpfr version. Assume that it is sufficient, since
1403 # it is in the source tree, and the library has not been built yet
1404 # but it would be included on the link line in the version check below
1405 # hence making the test fail.
1409 # Specify a location for gmp
1410 AC_ARG_WITH(gmp-dir,
1411 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1412 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1413 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1416 [AS_HELP_STRING([--with-gmp=PATH],
1417 [specify prefix directory for the installed GMP package.
1418 Equivalent to --with-gmp-include=PATH/include
1419 plus --with-gmp-lib=PATH/lib])])
1420 AC_ARG_WITH(gmp-include,
1421 [AS_HELP_STRING([--with-gmp-include=PATH],
1422 [specify directory for installed GMP include files])])
1423 AC_ARG_WITH(gmp-lib,
1424 [AS_HELP_STRING([--with-gmp-lib=PATH],
1425 [specify directory for the installed GMP library])])
1428 if test "x$with_gmp" != x; then
1429 gmplibs="-L$with_gmp/lib $gmplibs"
1430 gmpinc="-I$with_gmp/include $gmpinc"
1432 if test "x$with_gmp_include" != x; then
1433 gmpinc="-I$with_gmp_include $gmpinc"
1435 if test "x$with_gmp_lib" != x; then
1436 gmplibs="-L$with_gmp_lib $gmplibs"
1438 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1439 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1440 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1441 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1442 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1443 # Do not test the gmp version. Assume that it is sufficient, since
1444 # it is in the source tree, and the library has not been built yet
1445 # but it would be included on the link line in the version check below
1446 # hence making the test fail.
1450 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1452 saved_CFLAGS="$CFLAGS"
1453 CFLAGS="$CFLAGS $gmpinc"
1454 # Check for the recommended and required versions of GMP.
1455 AC_MSG_CHECKING([for the correct version of gmp.h])
1456 AC_TRY_COMPILE([#include "gmp.h"],[
1457 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1458 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1459 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1462 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1463 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1464 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1465 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1468 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1469 [AC_MSG_RESULT([no]); have_gmp=no])
1471 # If we have GMP, check the MPFR version.
1472 if test x"$have_gmp" = xyes; then
1473 # Check for the recommended and required versions of MPFR.
1474 AC_MSG_CHECKING([for the correct version of mpfr.h])
1475 AC_TRY_COMPILE([#include <gmp.h>
1476 #include <mpfr.h>],[
1477 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1480 ], [AC_TRY_COMPILE([#include <gmp.h>
1481 #include <mpfr.h>],[
1482 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1485 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1486 [AC_MSG_RESULT([no]); have_gmp=no])
1489 # Check for the MPC header version.
1490 if test x"$have_gmp" = xyes ; then
1491 # Check for the recommended and required versions of MPC.
1492 AC_MSG_CHECKING([for the correct version of mpc.h])
1493 AC_TRY_COMPILE([#include <mpc.h>],[
1494 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1497 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1498 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1501 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1502 [AC_MSG_RESULT([no]); have_gmp=no])
1505 # Now check the MPFR library.
1506 if test x"$have_gmp" = xyes; then
1508 LIBS="$LIBS $gmplibs"
1509 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1510 AC_TRY_LINK([#include <mpc.h>],[
1517 mpfr_atan2 (n, n, x, GMP_RNDN);
1518 mpfr_erfc (n, x, GMP_RNDN);
1519 mpfr_subnormalize (x, t, GMP_RNDN);
1523 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1524 mpc_cosh (c, c, MPC_RNDNN);
1525 mpc_pow (c, c, c, MPC_RNDNN);
1526 mpc_acosh (c, c, MPC_RNDNN);
1528 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1532 CFLAGS="$saved_CFLAGS"
1534 # The library versions listed in the error message below should match
1535 # the HARD-minimums enforced above.
1536 if test x$have_gmp != xyes; then
1537 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1538 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1539 their locations. Source code for these libraries can be found at
1540 their respective hosting sites as well as at
1541 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1542 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1543 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1544 make sure that you have installed both the libraries and the header
1545 files. They may be located in separate packages.])
1549 # Flags needed for both GMP, MPFR and/or MPC.
1552 AC_SUBST(extra_mpfr_configure_flags)
1553 AC_SUBST(extra_mpc_gmp_configure_flags)
1554 AC_SUBST(extra_mpc_mpfr_configure_flags)
1556 # Allow host libstdc++ to be specified for static linking with PPL.
1557 AC_ARG_WITH(host-libstdcxx,
1558 [AS_HELP_STRING([--with-host-libstdcxx=L],
1559 [use linker arguments L to link with libstdc++
1560 when linking with PPL])])
1562 case $with_host_libstdcxx in
1564 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1568 # Linker flags to use for stage1 or when not boostrapping.
1569 AC_ARG_WITH(stage1-ldflags,
1570 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1571 [if test "$withval" = "no" -o "$withval" = "yes"; then
1574 stage1_ldflags=$withval
1577 AC_SUBST(stage1_ldflags)
1579 # Libraries to use for stage1 or when not bootstrapping.
1580 AC_ARG_WITH(stage1-libs,
1581 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1582 [if test "$withval" = "no" -o "$withval" = "yes"; then
1585 stage1_libs=$withval
1587 [stage1_libs=$with_host_libstdcxx])
1588 AC_SUBST(stage1_libs)
1590 # Libraries to use for stage2 and later builds. This defaults to the
1591 # argument passed to --with-host-libstdcxx.
1592 AC_ARG_WITH(boot-libs,
1593 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1594 [if test "$withval" = "no" -o "$withval" = "yes"; then
1597 poststage1_libs=$withval
1599 [poststage1_libs=$with_host_libstdcxx])
1600 AC_SUBST(poststage1_libs)
1602 # Linker flags to use for stage2 and later builds.
1603 AC_ARG_WITH(boot-ldflags,
1604 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1605 [linker flags for stage2 and later])],
1606 [if test "$withval" = "no" -o "$withval" = "yes"; then
1609 poststage1_ldflags=$withval
1611 [poststage1_ldflags=
1612 # In stages 2 and 3, default to linking libstdc++ and libgcc
1613 # statically. But if the user explicitly specified the libraries to
1614 # use, trust that they are doing what they want.
1615 if test "$poststage1_libs" = ""; then
1616 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1618 AC_SUBST(poststage1_ldflags)
1626 [AS_HELP_STRING([--with-ppl=PATH],
1627 [specify prefix directory for the installed PPL package.
1628 Equivalent to --with-ppl-include=PATH/include
1629 plus --with-ppl-lib=PATH/lib])])
1630 AC_ARG_WITH(ppl-include,
1631 [AS_HELP_STRING([--with-ppl-include=PATH],
1632 [specify directory for installed PPL include files])])
1633 AC_ARG_WITH(ppl-lib,
1634 [AS_HELP_STRING([--with-ppl-lib=PATH],
1635 [specify directory for the installed PPL library])])
1637 AC_ARG_ENABLE(ppl-version-check,
1638 [AS_HELP_STRING([--disable-ppl-version-check],
1639 [disable check for PPL version])])
1645 ppllibs="-L$with_ppl/lib"
1646 pplinc="-I$with_ppl/include $pplinc"
1647 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1650 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1655 if test x"$with_ppl_include" != x; then
1656 pplinc="-I$with_ppl_include $pplinc"
1660 if test "x$with_ppl_lib" != x; then
1661 ppllibs="-L$with_ppl_lib"
1665 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1666 if test x"$enable_watchdog" = xyes; then
1669 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1670 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1671 enable_ppl_version_check=no
1675 if test "x$with_ppl" != xno; then
1676 if test "x$pwllib" = x; then
1677 saved_LDFLAGS="$LDFLAGS"
1678 LDFLAGS="$LDFLAGS $ppllibs"
1679 AC_CHECK_LIB(pwl,PWL_handle_timeout,[pwllib="-lpwl"])
1680 LDFLAGS="$saved_LDFLAGS"
1683 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1685 if test "$enable_ppl_version_check" != no; then
1686 saved_CFLAGS="$CFLAGS"
1687 CFLAGS="$CFLAGS $pplinc $gmpinc"
1688 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1689 AC_TRY_COMPILE([#include "ppl_c.h"],[
1690 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1693 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1694 CFLAGS="$saved_CFLAGS"
1698 # Flags needed for PPL
1705 dnl Provide configure switches and initialize clooginc & clooglibs
1706 dnl with user input.
1708 if test "x$with_ppl" = "xno"; then
1709 dnl Only execute fail-action, if CLooG has been requested.
1710 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1711 if test "${graphite_requested}" = yes; then
1712 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1716 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1717 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1718 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1719 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1721 if test "x$with_cloog" != "xno"; then
1722 dnl The minimal version of CLooG required for Graphite.
1724 dnl If we use CLooG-Legacy, the provided version information is
1726 CLOOG_CHECK_VERSION(0,16,1)
1728 dnl Only execute fail-action, if CLooG has been requested.
1730 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1733 # Check for LTO support.
1735 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1736 enable_lto=$enableval,
1737 enable_lto=yes; default_enable_lto=yes)
1739 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1740 build_lto_plugin=yes
1741 ],[if test x"$default_enable_lto" = x"yes" ; then
1743 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
1744 # On other non-ELF platforms, LTO has yet to be validated.
1748 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1749 # It would also be nice to check the binutils support, but we don't
1750 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1751 # warn during gcc/ subconfigure; unless you're bootstrapping with
1752 # -flto it won't be needed until after installation anyway.
1754 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1755 *) if test x"$enable_lto" = x"yes"; then
1756 AC_MSG_ERROR([LTO support is not enabled for this target.])
1761 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1762 # Build it unless LTO was explicitly disabled.
1764 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1770 # By default, C is the only stage 1 language.
1771 stage1_languages=,c,
1773 # Target libraries that we bootstrap.
1774 bootstrap_target_libs=,target-libgcc,
1776 # Figure out what language subdirectories are present.
1777 # Look if the user specified --enable-languages="..."; if not, use
1778 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1780 # NB: embedded tabs in this IF block -- do not untabify
1781 if test -d ${srcdir}/gcc; then
1782 if test x"${enable_languages+set}" != xset; then
1783 if test x"${LANGUAGES+set}" = xset; then
1784 enable_languages="${LANGUAGES}"
1785 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1787 enable_languages=all
1790 if test x"${enable_languages}" = x ||
1791 test x"${enable_languages}" = xyes;
1793 echo configure.in: --enable-languages needs at least one language argument 1>&2
1797 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1799 # 'f95' is the old name for the 'fortran' language. We issue a warning
1800 # and make the substitution.
1801 case ,${enable_languages}, in
1803 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1804 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1808 # First scan to see if an enabled language requires some other language.
1809 # We assume that a given config-lang.in will list all the language
1810 # front ends it requires, even if some are required indirectly.
1811 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1812 case ${lang_frag} in
1814 # The odd quoting in the next line works around
1815 # an apparent bug in bash 1.12 on linux.
1816 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1818 # From the config-lang.in, get $language, $lang_requires, and
1819 # $lang_requires_boot_languages.
1822 lang_requires_boot_languages=
1824 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1825 case ,${enable_languages}, in
1829 echo " \`$other' language required by \`$language'; enabling" 1>&2
1830 enable_languages="${enable_languages},${other}"
1834 for other in ${lang_requires_boot_languages} ; do
1835 if test "$other" != "c"; then
1836 case ,${enable_stage1_languages}, in
1840 case ,${enable_languages}, in
1842 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1843 enable_stage1_languages="$enable_stage1_languages,${other}"
1854 new_enable_languages=,c,
1856 # If LTO is enabled, add the LTO front end.
1857 extra_host_libiberty_configure_flags=
1858 if test "$enable_lto" = "yes" ; then
1859 case ,${enable_languages}, in
1861 *) enable_languages="${enable_languages},lto" ;;
1863 if test "${build_lto_plugin}" = "yes" ; then
1864 configdirs="$configdirs lto-plugin"
1865 extra_host_libiberty_configure_flags=--enable-shared
1868 AC_SUBST(extra_host_libiberty_configure_flags)
1870 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1871 potential_languages=,c,
1873 enabled_target_libs=
1874 disabled_target_libs=
1876 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1877 case ${lang_frag} in
1879 # The odd quoting in the next line works around
1880 # an apparent bug in bash 1.12 on linux.
1881 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1883 # From the config-lang.in, get $language, $target_libs,
1884 # $lang_dirs, $boot_language, and $build_by_default
1890 build_by_default=yes
1892 if test x${language} = x; then
1893 echo "${lang_frag} doesn't set \$language." 1>&2
1897 if test "$language" = "c++" \
1898 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1902 case ,${enable_languages}, in
1904 # Language was explicitly selected; include it.
1908 # 'all' was selected, select it if it is a default language
1909 add_this_lang=${build_by_default}
1916 # Disable languages that need other directories if these aren't available.
1917 for i in $subdir_requires; do
1918 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1919 case ,${enable_languages}, in
1921 # Specifically requested language; tell them.
1922 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1926 add_this_lang=unsupported
1931 # Disable Ada if no preexisting GNAT is available.
1932 case ,${enable_languages},:${language}:${have_gnat} in
1933 *,${language},*:ada:no)
1934 # Specifically requested language; tell them.
1935 AC_MSG_ERROR([GNAT is required to build $language])
1939 add_this_lang=unsupported
1943 # Disable a language that is unsupported by the target.
1944 case " $unsupported_languages " in
1946 add_this_lang=unsupported
1950 case $add_this_lang in
1952 # Remove language-dependent dirs.
1953 disabled_target_libs="$disabled_target_libs $target_libs"
1954 noconfigdirs="$noconfigdirs $lang_dirs"
1957 # Remove language-dependent dirs; still show language as supported.
1958 disabled_target_libs="$disabled_target_libs $target_libs"
1959 noconfigdirs="$noconfigdirs $lang_dirs"
1960 potential_languages="${potential_languages}${language},"
1963 new_enable_languages="${new_enable_languages}${language},"
1964 potential_languages="${potential_languages}${language},"
1965 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1966 enabled_target_libs="$enabled_target_libs $target_libs"
1967 case "${boot_language}:,$enable_stage1_languages," in
1968 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1969 # Add to (comma-separated) list of stage 1 languages.
1970 case ",$stage1_languages," in
1971 *,$language,* | ,yes, | ,all,) ;;
1972 *) stage1_languages="${stage1_languages}${language}," ;;
1974 # We need to bootstrap any supporting libraries.
1975 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1984 # Add target libraries which are only needed for disabled languages
1986 if test -n "$disabled_target_libs"; then
1987 for dir in $disabled_target_libs; do
1988 case " $enabled_target_libs " in
1990 *) noconfigdirs="$noconfigdirs $dir" ;;
1995 AC_ARG_ENABLE(stage1-languages,
1996 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1997 [choose additional languages to build during
1998 stage1. Mostly useful for compiler development])],
1999 [case ,${enable_stage1_languages}, in
2001 # Set it to something that will have no effect in the loop below
2002 enable_stage1_languages=c ;;
2004 enable_stage1_languages=`echo $new_enable_languages | \
2005 sed -e "s/^,//" -e "s/,$//" ` ;;
2007 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2008 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2011 # Add "good" languages from enable_stage1_languages to stage1_languages,
2012 # while "bad" languages go in missing_languages. Leave no duplicates.
2013 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2014 case $potential_languages in
2016 case $stage1_languages in
2018 *) stage1_languages="$stage1_languages$i," ;;
2021 case $missing_languages in
2023 *) missing_languages="$missing_languages$i," ;;
2028 # Remove leading/trailing commas that were added for simplicity
2029 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2030 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2031 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2032 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2034 if test "x$missing_languages" != x; then
2036 The following requested languages could not be built: ${missing_languages}
2037 Supported languages are: ${potential_languages}])
2039 if test "x$new_enable_languages" != "x$enable_languages"; then
2040 echo The following languages will be built: ${new_enable_languages}
2041 enable_languages="$new_enable_languages"
2044 AC_SUBST(stage1_languages)
2045 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2048 # Handle --disable-<component> generically.
2049 for dir in $configdirs $build_configdirs $target_configdirs ; do
2050 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2051 varname=`echo $dirname | sed -e s/+/_/g`
2052 if eval test x\${enable_${varname}} "=" xno ; then
2053 noconfigdirs="$noconfigdirs $dir"
2057 # Check for Boehm's garbage collector
2058 AC_ARG_ENABLE(objc-gc,
2059 [AS_HELP_STRING([--enable-objc-gc],
2060 [enable use of Boehm's garbage collector with the
2061 GNU Objective-C runtime])],
2062 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2063 *,objc,*:*:yes:*target-boehm-gc*)
2064 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2068 # Make sure we only build Boehm's garbage collector if required.
2069 case ,${enable_languages},:${enable_objc_gc} in
2071 # Keep target-boehm-gc if requested for Objective-C.
2074 # Otherwise remove target-boehm-gc depending on target-libjava.
2075 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2076 noconfigdirs="$noconfigdirs target-boehm-gc"
2081 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2082 # $build_configdirs and $target_configdirs.
2083 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2086 for dir in . $skipdirs $noconfigdirs ; do
2087 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2088 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2089 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2090 if test -r $srcdir/$dirname/configure ; then
2091 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2094 notsupp="$notsupp $dir"
2098 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2099 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2100 if test -r $srcdir/$dirname/configure ; then
2101 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2104 notsupp="$notsupp $dir"
2108 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2109 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2110 if test -r $srcdir/$dirname/configure ; then
2111 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2114 notsupp="$notsupp $dir"
2120 # Quietly strip out all directories which aren't configurable in this tree.
2121 # This relies on all configurable subdirectories being autoconfiscated, which
2123 build_configdirs_all="$build_configdirs"
2125 for i in ${build_configdirs_all} ; do
2126 j=`echo $i | sed -e s/build-//g`
2127 if test -f ${srcdir}/$j/configure ; then
2128 build_configdirs="${build_configdirs} $i"
2132 configdirs_all="$configdirs"
2134 for i in ${configdirs_all} ; do
2135 if test -f ${srcdir}/$i/configure ; then
2136 configdirs="${configdirs} $i"
2140 target_configdirs_all="$target_configdirs"
2142 for i in ${target_configdirs_all} ; do
2143 j=`echo $i | sed -e s/target-//g`
2144 if test -f ${srcdir}/$j/configure ; then
2145 target_configdirs="${target_configdirs} $i"
2149 # Produce a warning message for the subdirs we can't configure.
2150 # This isn't especially interesting in the Cygnus tree, but in the individual
2151 # FSF releases, it's important to let people know when their machine isn't
2152 # supported by the one or two programs in a package.
2154 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2155 # If $appdirs is non-empty, at least one of those directories must still
2156 # be configured, or we error out. (E.g., if the gas release supports a
2157 # specified target in some subdirs but not the gas subdir, we shouldn't
2158 # pretend that all is well.)
2159 if test -n "$appdirs" ; then
2160 for dir in $appdirs ; do
2161 if test -r $dir/Makefile.in ; then
2162 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2166 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2172 if test -n "$appdirs" ; then
2173 echo "*** This configuration is not supported by this package." 1>&2
2177 # Okay, some application will build, or we don't care to check. Still
2178 # notify of subdirs not getting built.
2179 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2180 echo " ${notsupp}" 1>&2
2181 echo " (Any other directories should still work fine.)" 1>&2
2189 # To find our prefix, in gcc_cv_tool_prefix.
2194 AC_ARG_WITH([build-sysroot],
2195 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2196 [use sysroot as the system root during the build])],
2197 [if test x"$withval" != x ; then
2198 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2200 [SYSROOT_CFLAGS_FOR_TARGET=])
2201 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2203 AC_ARG_WITH([debug-prefix-map],
2204 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2205 [map A to B, C to D ... in debug information])],
2206 [if test x"$withval" != x; then
2207 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2208 for debug_map in $withval; do
2209 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2212 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2213 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2215 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2216 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2217 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2218 # We want to ensure that TARGET libraries (which we know are built with
2219 # gcc) are built with "-O2 -g", so include those options when setting
2220 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2221 if test "x$CFLAGS_FOR_TARGET" = x; then
2222 CFLAGS_FOR_TARGET=$CFLAGS
2225 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2228 *" -g "* | *" -g3 "*) ;;
2229 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2232 AC_SUBST(CFLAGS_FOR_TARGET)
2234 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2235 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2236 case " $CXXFLAGS " in
2238 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2240 case " $CXXFLAGS " in
2241 *" -g "* | *" -g3 "*) ;;
2242 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2245 AC_SUBST(CXXFLAGS_FOR_TARGET)
2247 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2248 # the named directory are copied to $(tooldir)/sys-include.
2249 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2250 if test x${is_cross_compiler} = xno ; then
2251 echo 1>&2 '***' --with-headers is only supported when cross compiling
2254 if test x"${with_headers}" != xyes ; then
2255 x=${gcc_cv_tool_prefix}
2256 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2260 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2261 # the name directories are copied to $(tooldir)/lib. Multiple directories
2263 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2264 if test x${is_cross_compiler} = xno ; then
2265 echo 1>&2 '***' --with-libs is only supported when cross compiling
2268 if test x"${with_libs}" != xyes ; then
2269 # Copy the libraries in reverse order, so that files in the first named
2270 # library override files in subsequent libraries.
2271 x=${gcc_cv_tool_prefix}
2272 for l in ${with_libs}; do
2273 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2278 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2280 # This is done by determining whether or not the appropriate directory
2281 # is available, and by checking whether or not specific configurations
2282 # have requested that this magic not happen.
2284 # The command line options always override the explicit settings in
2285 # configure.in, and the settings in configure.in override this magic.
2287 # If the default for a toolchain is to use GNU as and ld, and you don't
2288 # want to do that, then you should use the --without-gnu-as and
2289 # --without-gnu-ld options for the configure script. Similarly, if
2290 # the default is to use the included zlib and you don't want to do that,
2291 # you should use the --with-system-zlib option for the configure script.
2293 if test x${use_gnu_as} = x &&
2294 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2296 extra_host_args="$extra_host_args --with-gnu-as"
2299 if test x${use_gnu_ld} = x &&
2300 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2302 extra_host_args="$extra_host_args --with-gnu-ld"
2305 if test x${use_included_zlib} = x &&
2306 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2309 with_system_zlib=yes
2310 extra_host_args="$extra_host_args --with-system-zlib"
2313 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2314 # can detect this case.
2316 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2318 extra_host_args="$extra_host_args --with-newlib"
2321 # Handle ${copy_dirs}
2322 set fnord ${copy_dirs}
2324 while test $# != 0 ; do
2325 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2328 echo Copying $1 to $2
2330 # Use the install script to create the directory and all required
2331 # parent directories.
2332 if test -d $2 ; then
2336 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2339 # Copy the directory, assuming we have tar.
2340 # FIXME: Should we use B in the second tar? Not all systems support it.
2341 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2343 # It is the responsibility of the user to correctly adjust all
2344 # symlinks. If somebody can figure out how to handle them correctly
2345 # here, feel free to add the code.
2352 # Determine a target-dependent exec_prefix that the installed
2353 # gcc will search in. Keep this list sorted by triplet, with
2354 # the *-*-osname triplets last.
2358 md_exec_prefix=/gnu/lib/gcc-lib
2360 i[[34567]]86-pc-msdosdjgpp*)
2361 md_exec_prefix=/dev/env/DJDIR/bin
2363 i[[34567]]86-*-sco3.2v5*)
2364 if test $with_gnu_as = yes; then
2365 md_exec_prefix=/usr/gnu/bin
2367 md_exec_prefix=/usr/ccs/bin/elf
2372 powerpc-*-chorusos* | \
2373 powerpc*-*-eabi* | \
2374 powerpc*-*-sysv* | \
2375 powerpc*-*-kaos* | \
2377 md_exec_prefix=/usr/ccs/bin
2382 md_exec_prefix=/usr/ccs/bin
2397 md_exec_prefix=/usr/ccs/bin
2401 extra_arflags_for_target=
2402 extra_nmflags_for_target=
2403 extra_ranlibflags_for_target=
2404 target_makefile_frag=/dev/null
2407 target_makefile_frag="config/mt-mep"
2410 target_makefile_frag="config/mt-spu"
2413 target_makefile_frag="config/mt-sde"
2415 mipsisa*-*-elfoabi*)
2416 target_makefile_frag="config/mt-mips-elfoabi"
2418 mips*-*-*linux* | mips*-*-gnu*)
2419 target_makefile_frag="config/mt-mips-gnu"
2422 target_makefile_frag="config/mt-netware"
2424 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2425 target_makefile_frag="config/mt-gnu"
2427 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2428 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2429 # commands to handle both 32-bit and 64-bit objects. These flags are
2430 # harmless if we're using GNU nm or ar.
2431 extra_arflags_for_target=" -X32_64"
2432 extra_nmflags_for_target=" -B -X32_64"
2435 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2436 extra_ranlibflags_for_target=" -c"
2438 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2439 target_makefile_frag="config/mt-wince"
2443 alphaieee_frag=/dev/null
2446 # This just makes sure to use the -mieee option to build target libs.
2447 # This should probably be set individually by each library.
2448 alphaieee_frag="config/mt-alphaieee"
2452 # If --enable-target-optspace always use -Os instead of -O2 to build
2453 # the target libraries, similarly if it is not specified, use -Os
2454 # on selected platforms.
2455 ospace_frag=/dev/null
2456 case "${enable_target_optspace}:${target}" in
2458 ospace_frag="config/mt-ospace"
2461 ospace_frag="config/mt-d30v"
2463 :m32r-* | :d10v-* | :fr30-*)
2464 ospace_frag="config/mt-ospace"
2469 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2473 # Default to using --with-stabs for certain targets.
2474 if test x${with_stabs} = x ; then
2476 mips*-*-irix[[56]]*)
2478 mips*-*-* | alpha*-*-osf*)
2480 extra_host_args="${extra_host_args} --with-stabs"
2485 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2486 # them automatically.
2489 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2493 # Some systems (e.g., one of the i386-aix systems the gas testers are
2494 # using) don't handle "\$" correctly, so don't use it here.
2495 tooldir='${exec_prefix}'/${target_noncanonical}
2496 build_tooldir=${tooldir}
2498 # Create a .gdbinit file which runs the one in srcdir
2499 # and tells GDB to look there for source files.
2501 if test -r ${srcdir}/.gdbinit ; then
2504 *) cat > ./.gdbinit <<EOF
2508 source ${srcdir}/.gdbinit
2514 # Make sure that the compiler is able to generate an executable. If it
2515 # can't, we are probably in trouble. We don't care whether we can run the
2516 # executable--we might be using a cross compiler--we only care whether it
2517 # can be created. At this point the main configure script has set CC.
2519 echo "int main () { return 0; }" > conftest.c
2520 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2521 if test $? = 0 ; then
2522 if test -s conftest || test -s conftest.exe ; then
2528 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2529 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2536 # The Solaris /usr/ucb/cc compiler does not appear to work.
2538 sparc-sun-solaris2*)
2539 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2540 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2542 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2543 if test -d /opt/cygnus/bin ; then
2544 if test "$could_use" = "" ; then
2545 could_use="/opt/cygnus/bin"
2547 could_use="$could_use or /opt/cygnus/bin"
2550 if test "$could_use" = "" ; then
2551 echo "Warning: compilation may fail because you're using"
2552 echo "/usr/ucb/cc. You should change your PATH or CC "
2553 echo "variable and rerun configure."
2555 echo "Warning: compilation may fail because you're using"
2556 echo "/usr/ucb/cc, when you should use the C compiler from"
2557 echo "$could_use. You should change your"
2558 echo "PATH or CC variable and rerun configure."
2564 # Decide which environment variable is used to find dynamic libraries.
2566 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2567 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2568 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2569 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2572 # On systems where the dynamic library environment variable is PATH,
2573 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2574 # built executables to PATH.
2575 if test "$RPATH_ENVVAR" = PATH; then
2576 GCC_SHLIB_SUBDIR=/shlib
2581 # Record target_configdirs and the configure arguments for target and
2582 # build configuration in Makefile.
2583 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2584 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2586 # If we are building libgomp, bootstrap it.
2587 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2588 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2591 # Determine whether gdb needs tk/tcl or not.
2592 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2593 # and in that case we want gdb to be built without tk. Ugh!
2594 # In fact I believe gdb is the *only* package directly dependent on tk,
2595 # so we should be able to put the 'maybe's in unconditionally and
2596 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2597 # 100% sure that that's safe though.
2599 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2600 case "$enable_gdbtk" in
2604 GDB_TK="${gdb_tk}" ;;
2606 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2607 # distro. Eventually someone will fix this and move Insight, nee
2608 # gdbtk to a separate directory.
2609 if test -d ${srcdir}/gdb/gdbtk ; then
2616 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2617 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2619 # Strip out unwanted targets.
2621 # While at that, we remove Makefiles if we were started for recursive
2622 # configuration, so that the top-level Makefile reconfigures them,
2623 # like we used to do when configure itself was recursive.
2625 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2626 # but now we're fixing up the Makefile ourselves with the additional
2627 # commands passed to AC_CONFIG_FILES. Use separate variables
2628 # extrasub-{build,host,target} not because there is any reason to split
2629 # the substitutions up that way, but only to remain below the limit of
2630 # 99 commands in a script, for HP-UX sed.
2631 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2633 AC_ARG_ENABLE([bootstrap],
2634 [AS_HELP_STRING([--enable-bootstrap],
2635 [enable bootstrapping @<:@yes if native build@:>@])],,
2636 enable_bootstrap=default)
2638 # Issue errors and warnings for invalid/strange bootstrap combinations.
2639 case "$configdirs" in
2640 *gcc*) have_compiler=yes ;;
2641 *) have_compiler=no ;;
2644 case "$have_compiler:$host:$target:$enable_bootstrap" in
2647 # Default behavior. Enable bootstrap if we have a compiler
2648 # and we are in a native configuration.
2649 yes:$build:$build:default)
2650 enable_bootstrap=yes ;;
2653 enable_bootstrap=no ;;
2655 # We have a compiler and we are in a native configuration, bootstrap is ok
2656 yes:$build:$build:yes)
2659 # Other configurations, but we have a compiler. Assume the user knows
2662 AC_MSG_WARN([trying to bootstrap a cross compiler])
2665 # No compiler: if they passed --enable-bootstrap explicitly, fail
2667 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2669 # Fail if wrong command line
2671 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2675 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2678 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2682 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2683 yes:yes:*\ gold\ *:*,c++,*) ;;
2684 yes:yes:*\ gold\ *:*)
2685 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2689 # Adjust the toplevel makefile according to whether bootstrap was selected.
2690 case $enable_bootstrap in
2692 bootstrap_suffix=bootstrap
2693 BUILD_CONFIG=bootstrap-debug
2696 bootstrap_suffix=no-bootstrap
2701 AC_MSG_CHECKING(for default BUILD_CONFIG)
2703 AC_ARG_WITH([build-config],
2704 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2705 [use config/NAME.mk build configuration])],
2706 [case $with_build_config in
2707 yes) with_build_config= ;;
2708 no) with_build_config= BUILD_CONFIG= ;;
2711 if test "x${with_build_config}" != x; then
2712 BUILD_CONFIG=$with_build_config
2714 case $BUILD_CONFIG in
2716 if echo "int f (void) { return 0; }" > conftest.c &&
2717 ${CC} -c conftest.c &&
2718 mv conftest.o conftest.o.g0 &&
2719 ${CC} -c -g conftest.c &&
2720 mv conftest.o conftest.o.g &&
2721 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2726 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2730 AC_MSG_RESULT($BUILD_CONFIG)
2731 AC_SUBST(BUILD_CONFIG)
2734 for module in ${build_configdirs} ; do
2735 if test -z "${no_recursion}" \
2736 && test -f ${build_subdir}/${module}/Makefile; then
2737 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2738 rm -f ${build_subdir}/${module}/Makefile
2740 extrasub_build="$extrasub_build
2741 /^@if build-$module\$/d
2742 /^@endif build-$module\$/d
2743 /^@if build-$module-$bootstrap_suffix\$/d
2744 /^@endif build-$module-$bootstrap_suffix\$/d"
2747 for module in ${configdirs} ; do
2748 if test -z "${no_recursion}"; then
2749 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2750 if test -f ${file}; then
2751 echo 1>&2 "*** removing ${file} to force reconfigure"
2756 extrasub_host="$extrasub_host
2758 /^@endif $module\$/d
2759 /^@if $module-$bootstrap_suffix\$/d
2760 /^@endif $module-$bootstrap_suffix\$/d"
2763 for module in ${target_configdirs} ; do
2764 if test -z "${no_recursion}" \
2765 && test -f ${target_subdir}/${module}/Makefile; then
2766 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2767 rm -f ${target_subdir}/${module}/Makefile
2770 # We only bootstrap target libraries listed in bootstrap_target_libs.
2771 case $bootstrap_target_libs in
2772 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2773 *) target_bootstrap_suffix=no-bootstrap ;;
2776 extrasub_target="$extrasub_target
2777 /^@if target-$module\$/d
2778 /^@endif target-$module\$/d
2779 /^@if target-$module-$target_bootstrap_suffix\$/d
2780 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2783 # Do the final fixup along with target modules.
2784 extrasub_target="$extrasub_target
2785 /^@if /,/^@endif /d"
2787 # Create the serialization dependencies. This uses a temporary file.
2789 AC_ARG_ENABLE([serial-configure],
2790 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2791 [force sequential configuration of
2792 sub-packages for the host, target or build
2793 machine, or all sub-packages])])
2795 case ${enable_serial_configure} in
2797 enable_serial_build_configure=yes
2798 enable_serial_host_configure=yes
2799 enable_serial_target_configure=yes
2803 # These force 'configure's to be done one at a time, to avoid problems
2804 # with contention over a shared config.cache.
2806 echo '# serdep.tmp' > serdep.tmp
2808 test "x${enable_serial_build_configure}" = xyes &&
2809 for item in ${build_configdirs} ; do
2812 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2817 test "x${enable_serial_host_configure}" = xyes &&
2818 for item in ${configdirs} ; do
2821 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2826 test "x${enable_serial_target_configure}" = xyes &&
2827 for item in ${target_configdirs} ; do
2830 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2834 serialization_dependencies=serdep.tmp
2835 AC_SUBST_FILE(serialization_dependencies)
2837 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2838 # target, nonopt, and variable assignments. These are the ones we
2839 # might not want to pass down to subconfigures. The exception being
2840 # --cache-file=/dev/null, which is used to turn off the use of cache
2841 # files altogether, and which should be passed on to subconfigures.
2842 # Also strip program-prefix, program-suffix, and program-transform-name,
2843 # so that we can pass down a consistent program-transform-name.
2848 eval "set -- $ac_configure_args"
2851 if test X"$skip_next" = X"yes"; then
2855 if test X"$keep_next" = X"yes"; then
2858 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2860 baseargs="$baseargs '$ac_arg'"
2861 tbaseargs="$tbaseargs '$ac_arg'"
2866 # Handle separated arguments. Based on the logic generated by
2869 *=* | --config-cache | -C | -disable-* | --disable-* \
2870 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2871 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2872 | -with-* | --with-* | -without-* | --without-* | --x)
2886 --with-* | --without-*)
2887 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2891 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2894 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2903 mpc | mpfr | gmp | ppl | cloog)
2904 # If we're processing --with-$lib, --with-$lib-include or
2905 # --with-$lib-lib, for one of the libs above, and target is
2906 # different from host, don't pass the current argument to any
2907 # target library's configure.
2908 if test x$is_cross_compiler = xyes; then
2917 --cache-file=/dev/null | \
2918 -cache-file=/dev/null )
2919 # Handled here to avoid the test to skip args below.
2920 baseargs="$baseargs '$ac_arg'"
2921 tbaseargs="$tbaseargs '$ac_arg'"
2922 # Assert: $separate_arg should always be no.
2923 keep_next=$separate_arg
2939 -program-prefix* | \
2940 -program-suffix* | \
2941 -program-transform-name* )
2942 skip_next=$separate_arg
2946 # An option. Add it.
2949 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2951 baseargs="$baseargs '$ac_arg'"
2952 if test X"$skip_targ" = Xno; then
2953 tbaseargs="$tbaseargs '$ac_arg'"
2955 keep_next=$separate_arg
2958 # Either a variable assignment, or a nonopt (triplet). Don't
2959 # pass it down; let the Makefile handle this.
2964 # Remove the initial space we just introduced and, as these will be
2965 # expanded by make, quote '$'.
2966 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2968 # Add in --program-transform-name, after --program-prefix and
2969 # --program-suffix have been applied to it. Autoconf has already
2970 # doubled dollar signs and backslashes in program_transform_name; we want
2971 # the backslashes un-doubled, and then the entire thing wrapped in single
2972 # quotes, because this will be expanded first by make and then by the shell.
2973 # Also, because we want to override the logic in subdir configure scripts to
2974 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2975 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2976 ${program_transform_name}
2978 gcc_transform_name=`cat conftestsed.out`
2979 rm -f conftestsed.out
2980 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2981 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2982 if test "$silent" = yes; then
2983 baseargs="$baseargs --silent"
2984 tbaseargs="$tbaseargs --silent"
2986 baseargs="$baseargs --disable-option-checking"
2987 tbaseargs="$tbaseargs --disable-option-checking"
2989 # Record and document user additions to sub configure arguments.
2990 AC_ARG_VAR([build_configargs],
2991 [additional configure arguments for build directories])
2992 AC_ARG_VAR([host_configargs],
2993 [additional configure arguments for host directories])
2994 AC_ARG_VAR([target_configargs],
2995 [additional configure arguments for target directories])
2997 # For the build-side libraries, we just need to pretend we're native,
2998 # and not use the same cache file. Multilibs are neither needed nor
3000 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
3002 # For host modules, accept cache file option, or specification as blank.
3003 case "${cache_file}" in
3005 cache_file_option="" ;;
3006 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3007 cache_file_option="--cache-file=${cache_file}" ;;
3009 cache_file_option="--cache-file=../${cache_file}" ;;
3012 # Host dirs don't like to share a cache file either, horribly enough.
3013 # This seems to be due to autoconf 2.5x stupidity.
3014 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3016 target_configargs="$target_configargs ${tbaseargs}"
3018 # Passing a --with-cross-host argument lets the target libraries know
3019 # whether they are being built with a cross-compiler or being built
3020 # native. However, it would be better to use other mechanisms to make the
3021 # sorts of decisions they want to make on this basis. Please consider
3022 # this option to be deprecated. FIXME.
3023 if test x${is_cross_compiler} = xyes ; then
3024 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3027 # Default to --enable-multilib.
3028 if test x${enable_multilib} = x ; then
3029 target_configargs="--enable-multilib ${target_configargs}"
3032 # Pass --with-newlib if appropriate. Note that target_configdirs has
3033 # changed from the earlier setting of with_newlib.
3034 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3035 target_configargs="--with-newlib ${target_configargs}"
3038 # Different target subdirs use different values of certain variables
3039 # (notably CXX). Worse, multilibs use *lots* of different values.
3040 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3041 # it doesn't automatically accept command-line overrides of them.
3042 # This means it's not safe for target subdirs to share a cache file,
3043 # which is disgusting, but there you have it. Hopefully this can be
3044 # fixed in future. It's still worthwhile to use a cache file for each
3045 # directory. I think.
3047 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3048 # We need to pass --target, as newer autoconf's requires consistency
3049 # for target_alias and gcc doesn't manage it consistently.
3050 target_configargs="--cache-file=./config.cache ${target_configargs}"
3053 case " $target_configdirs " in
3055 case " $target_configargs " in
3056 *" --with-newlib "*)
3059 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 $$s/winsup/w32api/include'
3063 # If we're not building GCC, don't discard standard headers.
3064 if test -d ${srcdir}/gcc; then
3065 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3067 if test "${build}" != "${host}"; then
3068 # On Canadian crosses, CC_FOR_TARGET will have already been set
3069 # by `configure', so we won't have an opportunity to add -Bgcc/
3070 # to it. This is right: we don't want to search that directory
3071 # for binaries, but we want the header files in there, so add
3073 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3075 # Someone might think of using the pre-installed headers on
3076 # Canadian crosses, in case the installed compiler is not fully
3077 # compatible with the compiler being built. In this case, it
3078 # would be better to flag an error than risking having
3079 # incompatible object files being constructed. We can't
3080 # guarantee that an error will be flagged, but let's hope the
3081 # compiler will do it, when presented with incompatible header
3086 case "${target}-${is_cross_compiler}" in
3087 i[[3456789]]86-*-linux*-no)
3088 # Here host == target, so we don't need to build gcc,
3089 # so we don't want to discard standard headers.
3090 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3093 # If we're building newlib, use its generic headers last, but search
3094 # for any libc-related directories first (so make it the last -B
3096 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3098 # If we're building libgloss, find the startup file, simulator library
3099 # and linker script.
3100 case " $target_configdirs " in
3102 # Look for startup file, simulator library and maybe linker script.
3103 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3104 # Look for libnosys.a in case the target needs it.
3105 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3106 # Most targets have the linker script in the source directory.
3107 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3118 x86_64-*mingw* | *-w64-mingw*)
3119 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3120 # however, use a symlink named 'mingw' in ${prefix} .
3121 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3124 # MinGW can't be handled as Cygwin above since it does not use newlib.
3125 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3129 # Allow the user to override the flags for
3130 # our build compiler if desired.
3131 if test x"${build}" = x"${host}" ; then
3132 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3133 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3134 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3137 # On Canadian crosses, we'll be searching the right directories for
3138 # the previously-installed cross compiler, so don't bother to add
3139 # flags for directories within the install tree of the compiler
3140 # being built; programs in there won't even run.
3141 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3142 # Search for pre-installed headers if nothing else fits.
3143 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3146 if test "x${use_gnu_ld}" = x &&
3147 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3148 # Arrange for us to find uninstalled linker scripts.
3149 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3152 # Search for other target-specific linker scripts and such.
3155 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3159 # Makefile fragments.
3160 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3162 eval fragval=\$$frag
3163 if test $fragval != /dev/null; then
3164 eval $frag=${srcdir}/$fragval
3167 AC_SUBST_FILE(host_makefile_frag)
3168 AC_SUBST_FILE(target_makefile_frag)
3169 AC_SUBST_FILE(alphaieee_frag)
3170 AC_SUBST_FILE(ospace_frag)
3172 # Miscellanea: directories, flags, etc.
3173 AC_SUBST(RPATH_ENVVAR)
3174 AC_SUBST(GCC_SHLIB_SUBDIR)
3176 AC_SUBST(build_tooldir)
3177 AC_SUBST(CONFIGURE_GDB_TK)
3179 AC_SUBST(INSTALL_GDB_TK)
3181 # Build module lists & subconfigure args.
3182 AC_SUBST(build_configargs)
3183 AC_SUBST(build_configdirs)
3185 # Host module lists & subconfigure args.
3186 AC_SUBST(host_configargs)
3187 AC_SUBST(configdirs)
3188 AC_SUBST(target_configdirs)
3190 # Target module lists & subconfigure args.
3191 AC_SUBST(target_configargs)
3195 AC_SUBST(AR_FOR_BUILD)
3196 AC_SUBST(AS_FOR_BUILD)
3197 AC_SUBST(CC_FOR_BUILD)
3198 AC_SUBST(CFLAGS_FOR_BUILD)
3199 AC_SUBST(CXXFLAGS_FOR_BUILD)
3200 AC_SUBST(CXX_FOR_BUILD)
3201 AC_SUBST(DLLTOOL_FOR_BUILD)
3202 AC_SUBST(GCJ_FOR_BUILD)
3203 AC_SUBST(GFORTRAN_FOR_BUILD)
3204 AC_SUBST(GOC_FOR_BUILD)
3205 AC_SUBST(LDFLAGS_FOR_BUILD)
3206 AC_SUBST(LD_FOR_BUILD)
3207 AC_SUBST(NM_FOR_BUILD)
3208 AC_SUBST(RANLIB_FOR_BUILD)
3209 AC_SUBST(WINDMC_FOR_BUILD)
3210 AC_SUBST(WINDRES_FOR_BUILD)
3211 AC_SUBST(config_shell)
3213 # Generate default definitions for YACC, M4, LEX and other programs that run
3214 # on the build machine. These are used if the Makefile can't locate these
3215 # programs in objdir.
3216 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3218 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3219 case " $build_configdirs " in
3220 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3221 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3224 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3225 case " $build_configdirs " in
3226 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3229 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3230 case " $build_configdirs " in
3231 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3234 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3235 case " $build_configdirs " in
3236 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3237 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3240 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3241 case " $build_configdirs " in
3242 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3245 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3246 case " $build_configdirs " in
3247 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3250 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3251 # higher, else we use the "missing" dummy.
3252 if ${MAKEINFO} --version \
3253 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3256 MAKEINFO="$MISSING makeinfo"
3262 # FIXME: expect and dejagnu may become build tools?
3264 AC_CHECK_PROGS(EXPECT, expect, expect)
3265 case " $configdirs " in
3267 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3271 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3272 case " $configdirs " in
3274 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3280 NCN_STRICT_CHECK_TOOLS(AR, ar)
3281 NCN_STRICT_CHECK_TOOLS(AS, as)
3282 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3283 NCN_STRICT_CHECK_TOOLS(LD, ld)
3284 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3285 NCN_STRICT_CHECK_TOOLS(NM, nm)
3286 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3287 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3288 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3289 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3290 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3291 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3298 AC_ARG_WITH([build-time-tools],
3299 [AS_HELP_STRING([--with-build-time-tools=PATH],
3300 [use given path to find target tools during the build])],
3301 [case x"$withval" in
3304 with_build_time_tools=
3305 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3308 [with_build_time_tools=])
3310 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3311 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3312 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3313 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3314 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3315 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3317 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3318 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3319 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3320 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3321 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3322 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3323 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3324 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3325 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3326 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3327 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3329 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3331 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3332 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3333 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3334 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3335 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3336 [gcc/g++ -B$$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],
3338 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3339 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3341 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3342 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3343 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3344 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3345 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3346 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3347 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3348 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3349 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3350 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3351 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3352 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3353 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3354 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3355 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3356 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3358 AC_SUBST(FLAGS_FOR_TARGET)
3359 AC_SUBST(RAW_CXX_FOR_TARGET)
3361 # Certain tools may need extra flags.
3362 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3363 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3364 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3366 # When building target libraries, except in a Canadian cross, we use
3367 # the same toolchain as the compiler we just built.
3368 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3369 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3370 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3371 if test $host = $build; then
3372 case " $configdirs " in
3374 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3375 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3376 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3381 AC_SUBST(COMPILER_AS_FOR_TARGET)
3382 AC_SUBST(COMPILER_LD_FOR_TARGET)
3383 AC_SUBST(COMPILER_NM_FOR_TARGET)
3385 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3386 AC_ARG_ENABLE(maintainer-mode,
3387 [AS_HELP_STRING([--enable-maintainer-mode],
3388 [enable make rules and dependencies not useful
3389 (and sometimes confusing) to the casual installer])],
3390 USE_MAINTAINER_MODE=$enableval,
3391 USE_MAINTAINER_MODE=no)
3392 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3393 AC_SUBST(MAINTAINER_MODE_TRUE)
3394 AC_SUBST(MAINTAINER_MODE_FALSE)
3395 if test "$USE_MAINTAINER_MODE" = yes; then
3396 MAINTAINER_MODE_TRUE=
3397 MAINTAINER_MODE_FALSE='#'
3399 MAINTAINER_MODE_TRUE='#'
3400 MAINTAINER_MODE_FALSE=
3402 MAINT=$MAINTAINER_MODE_TRUE
3405 # ---------------------
3406 # GCC bootstrap support
3407 # ---------------------
3409 # Stage specific cflags for build.
3414 yes) stage1_cflags="-g -Wa,-J" ;;
3415 *) stage1_cflags="-g -J" ;;
3419 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3420 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3421 saved_CFLAGS="$CFLAGS"
3423 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3424 CFLAGS="$CFLAGS -fkeep-inline-functions"
3425 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3427 #if (__GNUC__ < 3) \
3428 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3429 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3430 #error http://gcc.gnu.org/PR29382
3433 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3434 [AC_MSG_RESULT([no])])
3436 CFLAGS="$saved_CFLAGS"
3439 AC_SUBST(stage1_cflags)
3441 # Enable --enable-checking in stage1 of the compiler.
3442 AC_ARG_ENABLE(stage1-checking,
3443 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3444 [choose additional checking for stage1 of the compiler])],
3445 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3446 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3447 stage1_checking=--enable-checking=yes,types
3449 stage1_checking=--enable-checking=$enable_checking,types
3451 AC_SUBST(stage1_checking)
3453 # Enable -Werror in bootstrap stage2 and later.
3454 AC_ARG_ENABLE(werror,
3455 [AS_HELP_STRING([--enable-werror],
3456 [enable -Werror in bootstrap stage2 and later])], [],
3457 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3462 case ${enable_werror} in
3463 yes) stage2_werror_flag="--enable-werror-always" ;;
3464 *) stage2_werror_flag="" ;;
3466 AC_SUBST(stage2_werror_flag)
3468 # Specify what files to not compare during bootstrap.
3470 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3472 hppa*64*-*-hpux*) ;;
3473 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3475 case " $configdirs " in
3476 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3478 AC_SUBST(compare_exclusions)
3480 AC_CONFIG_FILES([Makefile],
3481 [sed "$extrasub_build" Makefile |
3482 sed "$extrasub_host" |
3483 sed "$extrasub_target" > mf$$
3484 mv -f mf$$ Makefile],
3485 [extrasub_build="$extrasub_build"
3486 extrasub_host="$extrasub_host"
3487 extrasub_target="$extrasub_target"])