1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 ### we might need to use some other shell than /bin/sh for running subshells
93 ### If we are on Windows, search for the shell. This will permit people
94 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
95 ### without also having to set CONFIG_SHELL. This code will work when
96 ### using bash, which sets OSTYPE.
99 if test x${CONFIG_SHELL} = x ; then
100 if test ! -f /bin/sh ; then
101 if test x${SHELL} != x && test -f ${SHELL} ; then
102 CONFIG_SHELL=${SHELL}
105 for prog in sh sh.exe bash bash.exe; do
106 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
108 test -z "$dir" && dir=.
109 if test -f $dir/$prog; then
110 CONFIG_SHELL=$dir/$prog
116 test -n "${CONFIG_SHELL}" && break
124 config_shell=${CONFIG_SHELL-/bin/sh}
126 moveifchange=${srcdir}/move-if-change
128 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
130 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
132 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
133 INSTALL="${srcpwd}/install-sh -c"
136 # Set srcdir to "." if that's what it is.
137 # This is important for multilib support.
139 if test "${pwd}" = "${srcpwd}" ; then
147 ### To add a new directory to the tree, first choose whether it is a target
148 ### or a host dependent tool. Then put it into the appropriate list
149 ### (library or tools, host or target), doing a dependency sort.
151 # Subdirs will be configured in the order listed in build_configdirs,
152 # configdirs, or target_configdirs; see the serialization section below.
154 # Dependency sorting is only needed when *configuration* must be done in
155 # a particular order. In all cases a dependency should be specified in
156 # the Makefile, whether or not it's implicitly specified here.
158 # Double entries in build_configdirs, configdirs, or target_configdirs may
159 # cause circular dependencies and break everything horribly.
161 # these library is used by various programs built for the build
164 build_libs="build-libiberty"
166 # these tools are built for the build environment
167 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
169 # these libraries are used by various programs built for the host environment
171 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
173 # these tools are built for the host environment
174 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
175 # know that we are building the simulator.
176 # binutils, gas and ld appear in that order because it makes sense to run
177 # "make check" in that particular order.
178 # If --enable-gold is used, "gold" may replace "ld".
179 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
181 # libgcj represents the runtime libraries only used by gcj.
182 libgcj="target-libffi \
187 # these libraries are built for the target environment, and are built after
188 # the host libraries and the host tools (which may be a cross compiler)
190 target_libraries="target-libgcc \
195 target-libstdc++-v3 \
206 # these tools are built using the target libraries, and are intended to
207 # run only in the target environment
209 # note: any program that *uses* libraries that are in the "target_libraries"
210 # list belongs in this list. those programs are also very likely
211 # candidates for the "native_only" list which follows
213 target_tools="target-examples target-gperf target-rda"
215 ################################################################################
217 ## All tools belong in one of the four categories, and are assigned above
218 ## We assign ${configdirs} this way to remove all embedded newlines. This
219 ## is important because configure will choke if they ever get through.
220 ## ${configdirs} is directories we build using the host tools.
221 ## ${target_configdirs} is directories we build using the target tools.
222 configdirs=`echo ${host_libs} ${host_tools}`
223 target_configdirs=`echo ${target_libraries} ${target_tools}`
224 build_configdirs=`echo ${build_libs} ${build_tools}`
226 m4_divert_text([PARSE_ARGS],
229 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
230 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
231 m4_popdef([AS_MESSAGE_LOG_FD])dnl
234 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
237 ################################################################################
239 srcname="gnu development package"
241 # This gets set non-empty for some net releases of packages.
244 # Define is_cross_compiler to save on calls to 'test'.
246 if test x"${host}" = x"${target}" ; then
249 is_cross_compiler=yes
252 # Find the build and target subdir names.
254 # Be sure to cover against remnants of an in-tree build.
255 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
256 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
257 Use a pristine source tree when building in a separate tree])
260 # Skipdirs are removed silently.
262 # Noconfigdirs are removed loudly.
266 # Make sure we don't let GNU ld be added if we didn't want it.
267 if test x$with_gnu_ld = xno ; then
269 noconfigdirs="$noconfigdirs ld gold"
273 # Make sure we don't let GNU as be added if we didn't want it.
274 if test x$with_gnu_as = xno ; then
276 noconfigdirs="$noconfigdirs gas"
280 # Make sure we don't let ZLIB be added if we didn't want it.
281 if test x$with_system_zlib = xyes ; then
283 noconfigdirs="$noconfigdirs zlib"
286 # some tools are so dependent upon X11 that if we're not building with X,
287 # it's not even worth trying to configure, much less build, that tool.
290 yes | "") ;; # the default value for this tree is that X11 is available
292 skipdirs="${skipdirs} tk itcl libgui"
293 # We won't be able to build gdbtk without X.
296 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
299 # Some tools are only suitable for building in a "native" situation.
300 # Remove these if host!=target.
301 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff guile perl time ash bash bzip2 prms gnuserv target-gperf"
303 # Similarly, some are only suitable for cross toolchains.
304 # Remove these if host=target.
305 cross_only="target-libgloss target-newlib target-opcodes"
307 case $is_cross_compiler in
308 no) skipdirs="${skipdirs} ${cross_only}" ;;
309 yes) skipdirs="${skipdirs} ${native_only}" ;;
312 # If both --with-headers and --with-libs are specified, default to
314 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
315 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
316 if test x"${with_newlib}" = x ; then
321 # Recognize --with-newlib/--without-newlib.
322 case ${with_newlib} in
323 no) skipdirs="${skipdirs} target-newlib" ;;
324 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
327 # Handle --enable-gold, --enable-ld.
328 # --disable-gold [--enable-ld]
329 # Build only ld. Default option.
330 # --enable-gold [--enable-ld]
331 # Build both gold and ld. Install gold as "ld.gold", install ld
332 # as "ld.bfd" and "ld".
333 # --enable-gold=default [--enable-ld]
334 # Build both gold and ld. Install gold as "ld.gold" and "ld",
335 # install ld as "ld.bfd".
336 # --enable-gold[=default] --disable-ld
337 # Build only gold, which is then installed as both "ld.gold" and "ld".
338 # --enable-gold --enable-ld=default
339 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
341 # In other words, ld is default
342 # --enable-gold=default --enable-ld=default
347 [AS_HELP_STRING([[--enable-gold[=ARG]]],
348 [build gold @<:@ARG={default,yes,no}@:>@])],
349 ENABLE_GOLD=$enableval,
351 case "${ENABLE_GOLD}" in
353 # Check for ELF target.
356 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
357 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
358 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
360 *-*-linux*aout* | *-*-linux*oldld*)
368 if test "$is_elf" = "yes"; then
369 # Check for target supported by gold.
371 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
372 configdirs="$configdirs gold"
373 if test x${ENABLE_GOLD} = xdefault; then
384 AC_MSG_ERROR([invalid --enable-gold argument])
389 [AS_HELP_STRING([[--enable-ld[=ARG]]],
390 [build ld @<:@ARG={default,yes,no}@:>@])],
391 ENABLE_LD=$enableval,
394 case "${ENABLE_LD}" in
396 if test x${default_ld} != x; then
397 AC_MSG_ERROR([either gold or ld can be the default ld])
403 if test x${ENABLE_GOLD} != xyes; then
404 AC_MSG_WARN([neither ld nor gold are enabled])
406 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
409 AC_MSG_ERROR([invalid --enable-ld argument])
413 # Configure extra directories which are host specific
417 configdirs="$configdirs libtermcap" ;;
420 # A target can indicate whether a language isn't supported for some reason.
421 # Only spaces may be used in this macro; not newlines or tabs.
422 unsupported_languages=
424 # Remove more programs from consideration, based on the host or
425 # target this usually means that a port of the program doesn't
429 i[[3456789]]86-*-msdosdjgpp*)
430 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
433 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
435 i[[3456789]]86-*-mingw32*)
436 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
439 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
442 noconfigdirs="$noconfigdirs rcs"
447 AC_ARG_ENABLE(libquadmath,
448 AS_HELP_STRING([--disable-libquadmath],
449 [do not build libquadmath directory]),
450 ENABLE_LIBQUADMATH=$enableval,
451 ENABLE_LIBQUADMATH=yes)
452 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
453 noconfigdirs="$noconfigdirs target-libquadmath"
457 AC_ARG_ENABLE(libquadmath-support,
458 AS_HELP_STRING([--disable-libquadmath-support],
459 [disable libquadmath support for Fortran]),
460 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
461 ENABLE_LIBQUADMATH_SUPPORT=yes)
462 enable_libquadmath_support=
463 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
464 enable_libquadmath_support=no
468 AC_ARG_ENABLE(libada,
469 [AS_HELP_STRING([--enable-libada], [build libada directory])],
470 ENABLE_LIBADA=$enableval,
472 if test "${ENABLE_LIBADA}" != "yes" ; then
473 noconfigdirs="$noconfigdirs gnattools"
476 AC_ARG_ENABLE(libssp,
477 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
478 ENABLE_LIBSSP=$enableval,
481 # Save it here so that, even in case of --enable-libgcj, if the Java
482 # front-end isn't enabled, we still get libgcj disabled.
484 case $enable_libgcj in
486 # If we reset it here, it won't get added to noconfigdirs in the
487 # target-specific build rules, so it will be forcibly enabled
488 # (unless the Java language itself isn't enabled).
492 # Make sure we get it printed in the list of not supported target libs.
493 # Don't disable libffi, though, other languages use it.
494 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
495 # Clear libgcj_saved so that even if java is enabled libffi won't be
502 # Disable libmudflap on some systems.
503 if test x$enable_libmudflap = x ; then
505 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
506 # Enable libmudflap by default in GNU and friends.
509 # Enable libmudflap by default in FreeBSD.
512 # Disable it by default everywhere else.
513 noconfigdirs="$noconfigdirs target-libmudflap"
518 # Disable libgomp on non POSIX hosted systems.
519 if test x$enable_libgomp = x ; then
520 # Enable libgomp by default on hosted POSIX systems.
522 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
524 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
526 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
528 *-*-darwin* | *-*-aix*)
531 noconfigdirs="$noconfigdirs target-libgomp"
536 # Default libgloss CPU subdirectory.
537 libgloss_dir="$target_cpu"
541 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
544 noconfigdirs="$noconfigdirs ld gas gdb gprof"
545 noconfigdirs="$noconfigdirs sim target-rda"
547 i[[3456789]]86-*-darwin*)
548 noconfigdirs="$noconfigdirs ld gprof"
549 noconfigdirs="$noconfigdirs sim target-rda"
551 x86_64-*-darwin[[912]]*)
552 noconfigdirs="$noconfigdirs ld gas gprof"
553 noconfigdirs="$noconfigdirs sim target-rda"
556 noconfigdirs="$noconfigdirs ld gas gdb gprof"
557 noconfigdirs="$noconfigdirs sim target-rda"
558 noconfigdirs="$noconfigdirs ${libgcj}"
560 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
561 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
564 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
565 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
566 && test -f /usr/local/include/gmp.h; then
570 # Skip some stuff that's unsupported on some FreeBSD configurations.
576 noconfigdirs="$noconfigdirs ${libgcj}"
581 # Remove unsupported stuff on all kaOS configurations.
582 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3"
583 skipdirs="$skipdirs target-libobjc target-examples target-gperf"
584 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
585 noconfigdirs="$noconfigdirs target-libgloss"
588 # Skip some stuff on all NetBSD configurations.
589 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
591 # Skip some stuff that's unsupported on some NetBSD configurations.
593 i*86-*-netbsdelf*) ;;
594 arm*-*-netbsdelf*) ;;
596 noconfigdirs="$noconfigdirs ${libgcj}"
601 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj}"
604 skipdirs="${skipdirs} target-libiberty"
605 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
607 # The tpf target doesn't support gdb yet.
609 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} gdb tcl tk libgui itcl"
612 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
615 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
618 # ld works, but does not support shared libraries.
619 # newlib is not 64 bit ready. I'm not sure about fileutils.
620 # gas doesn't generate exception information.
621 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
624 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
627 # newlib is not 64 bit ready
628 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
631 # newlib is not 64 bit ready
632 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
635 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
638 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
640 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
641 noconfigdirs="$noconfigdirs ${libgcj}"
642 noconfigdirs="$noconfigdirs target-examples"
643 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
644 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
645 noconfigdirs="$noconfigdirs expect dejagnu"
646 # the C++ libraries don't build on top of CE's C libraries
647 noconfigdirs="$noconfigdirs target-libstdc++-v3"
648 noconfigdirs="$noconfigdirs target-newlib"
652 noconfigdirs="$noconfigdirs target-libgloss"
655 noconfigdirs="$noconfigdirs ${libgcj}"
658 arm-*-elf* | arm*-*-eabi* )
659 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
662 arm*-*-linux-gnueabi)
663 noconfigdirs="$noconfigdirs target-qthreads"
664 case ${with_newlib} in
665 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
670 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
674 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
677 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
680 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
683 unsupported_languages="$unsupported_languages java"
684 noconfigdirs="$noconfigdirs target-boehm-gc"
685 if test x${is_cross_compiler} != xno ; then
686 target_configdirs="${target_configdirs} target-bsp target-cygmon"
690 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
692 c54x*-*-* | tic54x-*-*)
693 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
696 noconfigdirs="$noconfigdirs ${libgcj} gdb"
698 cris-*-* | crisv32-*-*)
699 unsupported_languages="$unsupported_languages java"
702 unsupported_languages="$unsupported_languages fortran"
703 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
704 *-*-elf) # See PR46792 regarding target-libffi.
705 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
707 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
709 unsupported_languages="$unsupported_languages fortran"
710 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
715 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
718 noconfigdirs="$noconfigdirs ${libgcj} gdb"
721 noconfigdirs="$noconfigdirs ${libgcj} gdb"
724 noconfigdirs="$noconfigdirs ${libgcj}"
727 noconfigdirs="$noconfigdirs ${libgcj}"
728 noconfigdirs="$noconfigdirs gprof"
731 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
734 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
736 hppa1.1-*-osf* | hppa1.1-*-bsd* )
739 # In this case, it's because the hppa64-linux target is for
740 # the kernel only at this point and has no libc, and thus no
741 # headers, crt*.o, etc., all of which are needed by these.
742 noconfigdirs="$noconfigdirs target-zlib"
750 noconfigdirs="$noconfigdirs ${libgcj}"
753 noconfigdirs="$noconfigdirs ld shellutils"
759 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
760 # build on HP-UX 10.20.
761 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
764 noconfigdirs="$noconfigdirs ${libgcj} gdb"
767 # No gdb support yet.
768 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
772 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
775 # No gdb or ld support yet.
776 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
778 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
779 noconfigdirs="$noconfigdirs ${libgcj}"
782 i[[3456789]]86-*-linux*)
783 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
784 # not build java stuff by default.
787 noconfigdirs="$noconfigdirs ${libgcj}";;
790 # This section makes it possible to build newlib natively on linux.
791 # If we are using a cross compiler then don't configure newlib.
792 if test x${is_cross_compiler} != xno ; then
793 noconfigdirs="$noconfigdirs target-newlib"
795 noconfigdirs="$noconfigdirs target-libgloss"
796 # If we are not using a cross compiler, do configure newlib.
797 # Note however, that newlib will only be configured in this situation
798 # if the --with-newlib option has been given, because otherwise
799 # 'target-newlib' will appear in skipdirs.
801 i[[3456789]]86-w64-mingw*)
802 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
804 i[[3456789]]86-*-mingw*)
805 target_configdirs="$target_configdirs target-winsup"
806 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
809 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
812 target_configdirs="$target_configdirs target-libtermcap target-winsup"
813 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
814 # always build newlib if winsup directory is present.
815 if test -d "$srcdir/winsup/cygwin"; then
816 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
817 elif test -d "$srcdir/newlib"; then
818 echo "Warning: winsup/cygwin is missing so newlib can't be built."
821 i[[3456789]]86-*-interix* )
824 noconfigdirs="$noconfigdirs target-libgloss"
826 i[[3456789]]86-*-sco3.2v5*)
827 # The linker does not yet know about weak symbols in COFF,
828 # and is not configured to handle mixed ELF and COFF.
829 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
831 i[[3456789]]86-*-sco*)
832 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
834 i[[3456789]]86-*-solaris2*)
835 noconfigdirs="$noconfigdirs target-libgloss"
837 i[[3456789]]86-*-sysv4*)
838 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
840 i[[3456789]]86-*-beos*)
841 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
843 i[[3456789]]86-*-rdos*)
844 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
847 noconfigdirs="$noconfigdirs ${libgcj}"
849 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
850 noconfigdirs="$noconfigdirs target-libiberty"
854 noconfigdirs="$noconfigdirs ${libgcj}"
857 noconfigdirs="$noconfigdirs ${libgcj}"
863 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
864 unsupported_languages="$unsupported_languages fortran java"
867 noconfigdirs="$noconfigdirs ${libgcj}"
870 noconfigdirs="$noconfigdirs ${libgcj}"
873 noconfigdirs="$noconfigdirs sim"
876 noconfigdirs="$noconfigdirs target-libiberty"
879 # copied from rs6000-*-* entry
880 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
882 powerpc*-*-winnt* | powerpc*-*-pe*)
883 target_configdirs="$target_configdirs target-winsup"
884 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
885 # always build newlib.
886 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
888 # This is temporary until we can link against shared libraries
889 powerpcle-*-solaris*)
890 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
894 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
897 noconfigdirs="$noconfigdirs ${libgcj}"
900 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
904 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
907 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
910 noconfigdirs="$noconfigdirs gprof ${libgcj}"
913 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
916 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
919 skipdirs="$skipdirs target-libiberty"
920 noconfigdirs="$noconfigdirs ${libgcj}"
921 if test x$with_newlib = xyes; then
922 noconfigdirs="$noconfigdirs gprof"
927 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
930 # Linking libjava exceeds command-line length limits on at least
931 # IRIX 6.2, but not on IRIX 6.5.
932 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
933 # <oldham@codesourcery.com>
934 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
937 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
940 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
943 noconfigdirs="$noconfigdirs gprof ${libgcj}"
947 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
952 noconfigdirs="$noconfigdirs ${libgcj}" ;;
954 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
957 sparclet-*-aout* | sparc86x-*-*)
961 noconfigdirs="$noconfigdirs ${libgcj}"
964 noconfigdirs="$noconfigdirs ${libgcj}"
968 noconfigdirs="$noconfigdirs ${libgcj}"
972 noconfigdirs="$noconfigdirs ${libgcj}"
973 if test x${is_cross_compiler} != xno ; then
974 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
979 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
980 noconfigdirs="$noconfigdirs ${libgcj}"
982 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
985 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
988 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
991 noconfigdirs="$noconfigdirs ${libgcj}"
994 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
997 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1000 noconfigdirs="$noconfigdirs ${libgcj}"
1003 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
1005 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1006 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1009 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1012 noconfigdirs="$noconfigdirs ${libgcj}"
1016 # If we aren't building newlib, then don't build libgloss, since libgloss
1017 # depends upon some newlib header files.
1018 case "${noconfigdirs}" in
1019 *target-libgloss*) ;;
1020 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1023 # Work in distributions that contain no compiler tools, like Autoconf.
1024 host_makefile_frag=/dev/null
1025 if test -d ${srcdir}/config ; then
1027 i[[3456789]]86-*-msdosdjgpp*)
1028 host_makefile_frag="config/mh-djgpp"
1031 ACX_CHECK_CYGWIN_CAT_WORKS
1032 host_makefile_frag="config/mh-cygwin"
1035 host_makefile_frag="config/mh-mingw"
1038 host_makefile_frag="config/mh-interix"
1041 host_makefile_frag="config/mh-pa-hpux10"
1044 host_makefile_frag="config/mh-pa"
1047 host_makefile_frag="config/mh-pa"
1050 host_makefile_frag="config/mh-darwin"
1053 host_makefile_frag="config/mh-ppc-aix"
1056 host_makefile_frag="config/mh-ppc-aix"
1061 if test "${build}" != "${host}" ; then
1062 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1063 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1064 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1065 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1066 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1067 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1068 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1069 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1070 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1071 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1072 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1073 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1074 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1076 AR_FOR_BUILD="\$(AR)"
1077 AS_FOR_BUILD="\$(AS)"
1078 CC_FOR_BUILD="\$(CC)"
1079 CXX_FOR_BUILD="\$(CXX)"
1080 GCJ_FOR_BUILD="\$(GCJ)"
1081 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1082 GOC_FOR_BUILD="\$(GOC)"
1083 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1084 LD_FOR_BUILD="\$(LD)"
1085 NM_FOR_BUILD="\$(NM)"
1086 RANLIB_FOR_BUILD="\$(RANLIB)"
1087 WINDRES_FOR_BUILD="\$(WINDRES)"
1088 WINDMC_FOR_BUILD="\$(WINDMC)"
1094 # We must set the default linker to the linker used by gcc for the correct
1095 # operation of libtool. If LD is not defined and we are using gcc, try to
1096 # set the LD default to the ld used by gcc.
1097 if test -z "$LD"; then
1098 if test "$GCC" = yes; then
1101 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1103 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1105 case $gcc_prog_ld in
1106 # Accept absolute paths.
1107 [[\\/]* | [A-Za-z]:[\\/]*)]
1108 LD="$gcc_prog_ld" ;;
1114 ACX_PROG_CMP_IGNORE_INITIAL
1116 # See if we are building gcc with C++.
1117 AC_ARG_ENABLE(build-with-cxx,
1118 [AS_HELP_STRING([--enable-build-with-cxx],
1119 [build with C++ compiler instead of C compiler])],
1120 ENABLE_BUILD_WITH_CXX=$enableval,
1121 ENABLE_BUILD_WITH_CXX=no)
1123 # Used for setting $lt_cv_objdir
1126 # Check for GMP, MPFR and MPC
1127 gmplibs="-lmpc -lmpfr -lgmp"
1131 # Specify a location for mpc
1132 # check for this first so it ends up on the link line before mpfr.
1134 [AS_HELP_STRING([--with-mpc=PATH],
1135 [specify prefix directory for installed MPC package.
1136 Equivalent to --with-mpc-include=PATH/include
1137 plus --with-mpc-lib=PATH/lib])])
1138 AC_ARG_WITH(mpc-include,
1139 [AS_HELP_STRING([--with-mpc-include=PATH],
1140 [specify directory for installed MPC include files])])
1141 AC_ARG_WITH(mpc-lib,
1142 [AS_HELP_STRING([--with-mpc-lib=PATH],
1143 [specify directory for the installed MPC library])])
1145 if test "x$with_mpc" != x; then
1146 gmplibs="-L$with_mpc/lib $gmplibs"
1147 gmpinc="-I$with_mpc/include $gmpinc"
1149 if test "x$with_mpc_include" != x; then
1150 gmpinc="-I$with_mpc_include $gmpinc"
1152 if test "x$with_mpc_lib" != x; then
1153 gmplibs="-L$with_mpc_lib $gmplibs"
1155 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1156 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1157 gmpinc='-I$$s/mpc/src '"$gmpinc"
1158 # Do not test the mpc version. Assume that it is sufficient, since
1159 # it is in the source tree, and the library has not been built yet
1160 # but it would be included on the link line in the version check below
1161 # hence making the test fail.
1165 # Specify a location for mpfr
1166 # check for this first so it ends up on the link line before gmp.
1167 AC_ARG_WITH(mpfr-dir,
1168 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1169 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1170 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1173 [AS_HELP_STRING([--with-mpfr=PATH],
1174 [specify prefix directory for installed MPFR package.
1175 Equivalent to --with-mpfr-include=PATH/include
1176 plus --with-mpfr-lib=PATH/lib])])
1177 AC_ARG_WITH(mpfr-include,
1178 [AS_HELP_STRING([--with-mpfr-include=PATH],
1179 [specify directory for installed MPFR include files])])
1180 AC_ARG_WITH(mpfr-lib,
1181 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1182 [specify directory for the installed MPFR library])])
1184 if test "x$with_mpfr" != x; then
1185 gmplibs="-L$with_mpfr/lib $gmplibs"
1186 gmpinc="-I$with_mpfr/include $gmpinc"
1188 if test "x$with_mpfr_include" != x; then
1189 gmpinc="-I$with_mpfr_include $gmpinc"
1191 if test "x$with_mpfr_lib" != x; then
1192 gmplibs="-L$with_mpfr_lib $gmplibs"
1194 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1195 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1196 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1197 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1198 # Do not test the mpfr version. Assume that it is sufficient, since
1199 # it is in the source tree, and the library has not been built yet
1200 # but it would be included on the link line in the version check below
1201 # hence making the test fail.
1205 # Specify a location for gmp
1206 AC_ARG_WITH(gmp-dir,
1207 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1208 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1209 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1212 [AS_HELP_STRING([--with-gmp=PATH],
1213 [specify prefix directory for the installed GMP package.
1214 Equivalent to --with-gmp-include=PATH/include
1215 plus --with-gmp-lib=PATH/lib])])
1216 AC_ARG_WITH(gmp-include,
1217 [AS_HELP_STRING([--with-gmp-include=PATH],
1218 [specify directory for installed GMP include files])])
1219 AC_ARG_WITH(gmp-lib,
1220 [AS_HELP_STRING([--with-gmp-lib=PATH],
1221 [specify directory for the installed GMP library])])
1224 if test "x$with_gmp" != x; then
1225 gmplibs="-L$with_gmp/lib $gmplibs"
1226 gmpinc="-I$with_gmp/include $gmpinc"
1228 if test "x$with_gmp_include" != x; then
1229 gmpinc="-I$with_gmp_include $gmpinc"
1231 if test "x$with_gmp_lib" != x; then
1232 gmplibs="-L$with_gmp_lib $gmplibs"
1234 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1235 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1236 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1237 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1238 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1239 # Do not test the gmp version. Assume that it is sufficient, since
1240 # it is in the source tree, and the library has not been built yet
1241 # but it would be included on the link line in the version check below
1242 # hence making the test fail.
1246 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1248 saved_CFLAGS="$CFLAGS"
1249 CFLAGS="$CFLAGS $gmpinc"
1250 # Check for the recommended and required versions of GMP.
1251 AC_MSG_CHECKING([for the correct version of gmp.h])
1252 AC_TRY_COMPILE([#include "gmp.h"],[
1253 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1254 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1255 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1258 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1259 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1260 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1261 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1264 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1265 [AC_MSG_RESULT([no]); have_gmp=no])
1267 # If we have GMP, check the MPFR version.
1268 if test x"$have_gmp" = xyes; then
1269 # Check for the recommended and required versions of MPFR.
1270 AC_MSG_CHECKING([for the correct version of mpfr.h])
1271 AC_TRY_COMPILE([#include <gmp.h>
1272 #include <mpfr.h>],[
1273 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1276 ], [AC_TRY_COMPILE([#include <gmp.h>
1277 #include <mpfr.h>],[
1278 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1281 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1282 [AC_MSG_RESULT([no]); have_gmp=no])
1285 # Check for the MPC header version.
1286 if test x"$have_gmp" = xyes ; then
1287 # Check for the recommended and required versions of MPC.
1288 AC_MSG_CHECKING([for the correct version of mpc.h])
1289 AC_TRY_COMPILE([#include <mpc.h>],[
1290 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1293 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1294 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1297 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1298 [AC_MSG_RESULT([no]); have_gmp=no])
1301 # Now check the MPFR library.
1302 if test x"$have_gmp" = xyes; then
1304 LIBS="$LIBS $gmplibs"
1305 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1306 AC_TRY_LINK([#include <mpc.h>],[
1313 mpfr_atan2 (n, n, x, GMP_RNDN);
1314 mpfr_erfc (n, x, GMP_RNDN);
1315 mpfr_subnormalize (x, t, GMP_RNDN);
1319 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1320 mpc_cosh (c, c, MPC_RNDNN);
1321 mpc_pow (c, c, c, MPC_RNDNN);
1322 mpc_acosh (c, c, MPC_RNDNN);
1324 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1328 CFLAGS="$saved_CFLAGS"
1330 # The library versions listed in the error message below should match
1331 # the HARD-minimums enforced above.
1332 if test x$have_gmp != xyes; then
1333 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1334 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1335 their locations. Source code for these libraries can be found at
1336 their respective hosting sites as well as at
1337 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1338 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1339 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1340 make sure that you have installed both the libraries and the header
1341 files. They may be located in separate packages.])
1345 # Flags needed for both GMP, MPFR and/or MPC.
1348 AC_SUBST(extra_mpfr_configure_flags)
1349 AC_SUBST(extra_mpc_gmp_configure_flags)
1350 AC_SUBST(extra_mpc_mpfr_configure_flags)
1352 # Allow host libstdc++ to be specified for static linking with PPL.
1353 AC_ARG_WITH(host-libstdcxx,
1354 [AS_HELP_STRING([--with-host-libstdcxx=L],
1355 [use linker arguments L to link with libstdc++
1356 when linking with PPL])])
1358 case $with_host_libstdcxx in
1360 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1364 # Linker flags to use for stage1 or when not boostrapping.
1365 AC_ARG_WITH(stage1-ldflags,
1366 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1367 [if test "$withval" = "no" -o "$withval" = "yes"; then
1370 stage1_ldflags=$withval
1373 AC_SUBST(stage1_ldflags)
1375 # Libraries to use for stage1 or when not bootstrapping.
1376 AC_ARG_WITH(stage1-libs,
1377 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1378 [if test "$withval" = "no" -o "$withval" = "yes"; then
1381 stage1_libs=$withval
1383 [stage1_libs=$with_host_libstdcxx])
1384 AC_SUBST(stage1_libs)
1386 # Libraries to use for stage2 and later builds. This defaults to the
1387 # argument passed to --with-host-libstdcxx.
1388 AC_ARG_WITH(boot-libs,
1389 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1390 [if test "$withval" = "no" -o "$withval" = "yes"; then
1393 poststage1_libs=$withval
1395 [poststage1_libs=$with_host_libstdcxx])
1396 AC_SUBST(poststage1_libs)
1398 # Linker flags to use for stage2 and later builds.
1399 AC_ARG_WITH(boot-ldflags,
1400 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1401 [linker flags for stage2 and later])],
1402 [if test "$withval" = "no" -o "$withval" = "yes"; then
1405 poststage1_ldflags=$withval
1407 [poststage1_ldflags=
1408 # In stages 2 and 3, default to linking libstdc++ and libgcc
1409 # statically. But if the user explicitly specified the libraries to
1410 # use, trust that they are doing what they want.
1411 if test "$poststage1_libs" = ""; then
1412 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1414 AC_SUBST(poststage1_ldflags)
1422 [AS_HELP_STRING([--with-ppl=PATH],
1423 [specify prefix directory for the installed PPL package.
1424 Equivalent to --with-ppl-include=PATH/include
1425 plus --with-ppl-lib=PATH/lib])])
1426 AC_ARG_WITH(ppl-include,
1427 [AS_HELP_STRING([--with-ppl-include=PATH],
1428 [specify directory for installed PPL include files])])
1429 AC_ARG_WITH(ppl-lib,
1430 [AS_HELP_STRING([--with-ppl-lib=PATH],
1431 [specify directory for the installed PPL library])])
1433 AC_ARG_ENABLE(ppl-version-check,
1434 [AS_HELP_STRING([--disable-ppl-version-check],
1435 [disable check for PPL version])])
1441 ppllibs="-L$with_ppl/lib"
1442 pplinc="-I$with_ppl/include $pplinc"
1443 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1446 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1451 if test x"$with_ppl_include" != x; then
1452 pplinc="-I$with_ppl_include $pplinc"
1456 if test "x$with_ppl_lib" != x; then
1457 ppllibs="-L$with_ppl_lib"
1461 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1462 if test x"$enable_watchdog" = xyes; then
1465 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1466 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1467 enable_ppl_version_check=no
1471 if test "x$with_ppl" != xno; then
1472 if test "x$pwllib" = x; then
1474 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1475 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1479 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1481 if test "$enable_ppl_version_check" != no; then
1482 saved_CFLAGS="$CFLAGS"
1483 CFLAGS="$CFLAGS $pplinc $gmpinc"
1484 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1485 AC_TRY_COMPILE([#include "ppl_c.h"],[
1486 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1489 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1490 CFLAGS="$saved_CFLAGS"
1494 # Flags needed for PPL
1501 dnl Provide configure switches and initialize clooginc & clooglibs
1502 dnl with user input.
1504 if test "x$with_ppl" = "xno"; then
1505 dnl Only execute fail-action, if CLooG has been requested.
1506 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1507 if test "${graphite_requested}" = yes; then
1508 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1512 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1513 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1514 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1515 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1517 if test "x$with_cloog" != "xno"; then
1518 dnl The minimal version of CLooG required for Graphite.
1520 dnl If we use CLooG-Legacy, the provided version information is
1522 CLOOG_CHECK_VERSION(0,16,1)
1524 dnl Only execute fail-action, if CLooG has been requested.
1526 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1529 # Check for LTO support.
1531 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1532 enable_lto=$enableval,
1533 enable_lto=yes; default_enable_lto=yes)
1535 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1536 build_lto_plugin=yes
1537 ],[if test x"$default_enable_lto" = x"yes" ; then
1539 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
1540 # On other non-ELF platforms, LTO has yet to be validated.
1544 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1545 # It would also be nice to check the binutils support, but we don't
1546 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1547 # warn during gcc/ subconfigure; unless you're bootstrapping with
1548 # -flto it won't be needed until after installation anyway.
1550 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1551 *) if test x"$enable_lto" = x"yes"; then
1552 AC_MSG_ERROR([LTO support is not enabled for this target.])
1557 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1558 # Build it unless LTO was explicitly disabled.
1560 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1566 # By default, C is the only stage 1 language.
1567 stage1_languages=,c,
1569 # Target libraries that we bootstrap.
1570 bootstrap_target_libs=,target-libgcc,
1572 # Figure out what language subdirectories are present.
1573 # Look if the user specified --enable-languages="..."; if not, use
1574 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1576 # NB: embedded tabs in this IF block -- do not untabify
1577 if test -d ${srcdir}/gcc; then
1578 if test x"${enable_languages+set}" != xset; then
1579 if test x"${LANGUAGES+set}" = xset; then
1580 enable_languages="${LANGUAGES}"
1581 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1583 enable_languages=all
1586 if test x"${enable_languages}" = x ||
1587 test x"${enable_languages}" = xyes;
1589 echo configure.in: --enable-languages needs at least one language argument 1>&2
1593 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1595 # 'f95' is the old name for the 'fortran' language. We issue a warning
1596 # and make the substitution.
1597 case ,${enable_languages}, in
1599 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1600 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1604 # First scan to see if an enabled language requires some other language.
1605 # We assume that a given config-lang.in will list all the language
1606 # front ends it requires, even if some are required indirectly.
1607 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1608 case ${lang_frag} in
1610 # The odd quoting in the next line works around
1611 # an apparent bug in bash 1.12 on linux.
1612 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1614 # From the config-lang.in, get $language, $lang_requires, and
1615 # $lang_requires_boot_languages.
1618 lang_requires_boot_languages=
1620 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1621 case ,${enable_languages}, in
1625 echo " \`$other' language required by \`$language'; enabling" 1>&2
1626 enable_languages="${enable_languages},${other}"
1630 for other in ${lang_requires_boot_languages} ; do
1631 if test "$other" != "c"; then
1632 case ,${enable_stage1_languages}, in
1636 case ,${enable_languages}, in
1638 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1639 enable_stage1_languages="$enable_stage1_languages,${other}"
1650 new_enable_languages=,c,
1652 # If LTO is enabled, add the LTO front end.
1653 extra_host_libiberty_configure_flags=
1654 if test "$enable_lto" = "yes" ; then
1655 case ,${enable_languages}, in
1657 *) enable_languages="${enable_languages},lto" ;;
1659 if test "${build_lto_plugin}" = "yes" ; then
1660 configdirs="$configdirs lto-plugin"
1661 extra_host_libiberty_configure_flags=--enable-shared
1664 AC_SUBST(extra_host_libiberty_configure_flags)
1666 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1667 potential_languages=,c,
1669 enabled_target_libs=
1670 disabled_target_libs=
1672 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1673 case ${lang_frag} in
1675 # The odd quoting in the next line works around
1676 # an apparent bug in bash 1.12 on linux.
1677 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1679 # From the config-lang.in, get $language, $target_libs,
1680 # $lang_dirs, $boot_language, and $build_by_default
1686 build_by_default=yes
1688 if test x${language} = x; then
1689 echo "${lang_frag} doesn't set \$language." 1>&2
1693 if test "$language" = "c++" \
1694 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1698 case ,${enable_languages}, in
1700 # Language was explicitly selected; include it.
1704 # 'all' was selected, select it if it is a default language
1705 add_this_lang=${build_by_default}
1712 # Disable languages that need other directories if these aren't available.
1713 for i in $subdir_requires; do
1714 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1715 case ,${enable_languages}, in
1717 # Specifically requested language; tell them.
1718 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1722 add_this_lang=unsupported
1727 # Disable Ada if no preexisting GNAT is available.
1728 case ,${enable_languages},:${language}:${have_gnat} in
1729 *,${language},*:ada:no)
1730 # Specifically requested language; tell them.
1731 AC_MSG_ERROR([GNAT is required to build $language])
1735 add_this_lang=unsupported
1739 # Disable a language that is unsupported by the target.
1740 case " $unsupported_languages " in
1742 add_this_lang=unsupported
1746 case $add_this_lang in
1748 # Remove language-dependent dirs.
1749 disabled_target_libs="$disabled_target_libs $target_libs"
1750 noconfigdirs="$noconfigdirs $lang_dirs"
1753 # Remove language-dependent dirs; still show language as supported.
1754 disabled_target_libs="$disabled_target_libs $target_libs"
1755 noconfigdirs="$noconfigdirs $lang_dirs"
1756 potential_languages="${potential_languages}${language},"
1759 new_enable_languages="${new_enable_languages}${language},"
1760 potential_languages="${potential_languages}${language},"
1761 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1762 enabled_target_libs="$enabled_target_libs $target_libs"
1763 case "${boot_language}:,$enable_stage1_languages," in
1764 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1765 # Add to (comma-separated) list of stage 1 languages.
1766 case ",$stage1_languages," in
1767 *,$language,* | ,yes, | ,all,) ;;
1768 *) stage1_languages="${stage1_languages}${language}," ;;
1770 # We need to bootstrap any supporting libraries.
1771 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1780 # Add target libraries which are only needed for disabled languages
1782 if test -n "$disabled_target_libs"; then
1783 for dir in $disabled_target_libs; do
1784 case " $enabled_target_libs " in
1786 *) noconfigdirs="$noconfigdirs $dir" ;;
1791 AC_ARG_ENABLE(stage1-languages,
1792 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1793 [choose additional languages to build during
1794 stage1. Mostly useful for compiler development])],
1795 [case ,${enable_stage1_languages}, in
1797 # Set it to something that will have no effect in the loop below
1798 enable_stage1_languages=c ;;
1800 enable_stage1_languages=`echo $new_enable_languages | \
1801 sed -e "s/^,//" -e "s/,$//" ` ;;
1803 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1804 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1807 # Add "good" languages from enable_stage1_languages to stage1_languages,
1808 # while "bad" languages go in missing_languages. Leave no duplicates.
1809 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1810 case $potential_languages in
1812 case $stage1_languages in
1814 *) stage1_languages="$stage1_languages$i," ;;
1817 case $missing_languages in
1819 *) missing_languages="$missing_languages$i," ;;
1824 # Remove leading/trailing commas that were added for simplicity
1825 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1826 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1827 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1828 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1830 if test "x$missing_languages" != x; then
1832 The following requested languages could not be built: ${missing_languages}
1833 Supported languages are: ${potential_languages}])
1835 if test "x$new_enable_languages" != "x$enable_languages"; then
1836 echo The following languages will be built: ${new_enable_languages}
1837 enable_languages="$new_enable_languages"
1840 AC_SUBST(stage1_languages)
1841 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1844 # Handle --disable-<component> generically.
1845 for dir in $configdirs $build_configdirs $target_configdirs ; do
1846 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1847 varname=`echo $dirname | sed -e s/+/_/g`
1848 if eval test x\${enable_${varname}} "=" xno ; then
1849 noconfigdirs="$noconfigdirs $dir"
1853 # Check for Boehm's garbage collector
1854 AC_ARG_ENABLE(objc-gc,
1855 [AS_HELP_STRING([--enable-objc-gc],
1856 [enable use of Boehm's garbage collector with the
1857 GNU Objective-C runtime])],
1858 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1859 *,objc,*:*:yes:*target-boehm-gc*)
1860 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1864 # Make sure we only build Boehm's garbage collector if required.
1865 case ,${enable_languages},:${enable_objc_gc} in
1867 # Keep target-boehm-gc if requested for Objective-C.
1870 # Otherwise remove target-boehm-gc depending on target-libjava.
1871 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1872 noconfigdirs="$noconfigdirs target-boehm-gc"
1877 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1878 # $build_configdirs and $target_configdirs.
1879 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1882 for dir in . $skipdirs $noconfigdirs ; do
1883 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1884 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1885 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1886 if test -r $srcdir/$dirname/configure ; then
1887 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1890 notsupp="$notsupp $dir"
1894 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1895 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1896 if test -r $srcdir/$dirname/configure ; then
1897 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1900 notsupp="$notsupp $dir"
1904 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1905 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1906 if test -r $srcdir/$dirname/configure ; then
1907 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1910 notsupp="$notsupp $dir"
1916 # Sometimes the tools are distributed with libiberty but with no other
1917 # libraries. In that case, we don't want to build target-libiberty.
1918 # Don't let libgcc imply libiberty either.
1919 if test -n "${target_configdirs}" ; then
1922 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1923 if test "$i" = "libgcc"; then
1924 libgcc=target-libgcc
1925 elif test "$i" != "libiberty" ; then
1926 if test -r $srcdir/$i/configure ; then
1932 if test -z "${others}" ; then
1933 target_configdirs=$libgcc
1937 # Quietly strip out all directories which aren't configurable in this tree.
1938 # This relies on all configurable subdirectories being autoconfiscated, which
1940 build_configdirs_all="$build_configdirs"
1942 for i in ${build_configdirs_all} ; do
1943 j=`echo $i | sed -e s/build-//g`
1944 if test -f ${srcdir}/$j/configure ; then
1945 build_configdirs="${build_configdirs} $i"
1949 configdirs_all="$configdirs"
1951 for i in ${configdirs_all} ; do
1952 if test -f ${srcdir}/$i/configure ; then
1953 configdirs="${configdirs} $i"
1957 target_configdirs_all="$target_configdirs"
1959 for i in ${target_configdirs_all} ; do
1960 j=`echo $i | sed -e s/target-//g`
1961 if test -f ${srcdir}/$j/configure ; then
1962 target_configdirs="${target_configdirs} $i"
1966 # Produce a warning message for the subdirs we can't configure.
1967 # This isn't especially interesting in the Cygnus tree, but in the individual
1968 # FSF releases, it's important to let people know when their machine isn't
1969 # supported by the one or two programs in a package.
1971 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1972 # If $appdirs is non-empty, at least one of those directories must still
1973 # be configured, or we error out. (E.g., if the gas release supports a
1974 # specified target in some subdirs but not the gas subdir, we shouldn't
1975 # pretend that all is well.)
1976 if test -n "$appdirs" ; then
1977 for dir in $appdirs ; do
1978 if test -r $dir/Makefile.in ; then
1979 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1983 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1989 if test -n "$appdirs" ; then
1990 echo "*** This configuration is not supported by this package." 1>&2
1994 # Okay, some application will build, or we don't care to check. Still
1995 # notify of subdirs not getting built.
1996 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1997 echo " ${notsupp}" 1>&2
1998 echo " (Any other directories should still work fine.)" 1>&2
2006 # To find our prefix, in gcc_cv_tool_prefix.
2011 AC_ARG_WITH([build-sysroot],
2012 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2013 [use sysroot as the system root during the build])],
2014 [if test x"$withval" != x ; then
2015 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2017 [SYSROOT_CFLAGS_FOR_TARGET=])
2018 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2020 AC_ARG_WITH([debug-prefix-map],
2021 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2022 [map A to B, C to D ... in debug information])],
2023 [if test x"$withval" != x; then
2024 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2025 for debug_map in $withval; do
2026 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2029 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2030 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2032 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2033 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2034 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2035 # We want to ensure that TARGET libraries (which we know are built with
2036 # gcc) are built with "-O2 -g", so include those options when setting
2037 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2038 if test "x$CFLAGS_FOR_TARGET" = x; then
2039 CFLAGS_FOR_TARGET=$CFLAGS
2042 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2045 *" -g "* | *" -g3 "*) ;;
2046 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2049 AC_SUBST(CFLAGS_FOR_TARGET)
2051 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2052 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2053 case " $CXXFLAGS " in
2055 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2057 case " $CXXFLAGS " in
2058 *" -g "* | *" -g3 "*) ;;
2059 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2062 AC_SUBST(CXXFLAGS_FOR_TARGET)
2064 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2065 # the named directory are copied to $(tooldir)/sys-include.
2066 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2067 if test x${is_cross_compiler} = xno ; then
2068 echo 1>&2 '***' --with-headers is only supported when cross compiling
2071 if test x"${with_headers}" != xyes ; then
2072 x=${gcc_cv_tool_prefix}
2073 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2077 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2078 # the name directories are copied to $(tooldir)/lib. Multiple directories
2080 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2081 if test x${is_cross_compiler} = xno ; then
2082 echo 1>&2 '***' --with-libs is only supported when cross compiling
2085 if test x"${with_libs}" != xyes ; then
2086 # Copy the libraries in reverse order, so that files in the first named
2087 # library override files in subsequent libraries.
2088 x=${gcc_cv_tool_prefix}
2089 for l in ${with_libs}; do
2090 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2095 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2097 # This is done by determining whether or not the appropriate directory
2098 # is available, and by checking whether or not specific configurations
2099 # have requested that this magic not happen.
2101 # The command line options always override the explicit settings in
2102 # configure.in, and the settings in configure.in override this magic.
2104 # If the default for a toolchain is to use GNU as and ld, and you don't
2105 # want to do that, then you should use the --without-gnu-as and
2106 # --without-gnu-ld options for the configure script. Similarly, if
2107 # the default is to use the included zlib and you don't want to do that,
2108 # you should use the --with-system-zlib option for the configure script.
2110 if test x${use_gnu_as} = x &&
2111 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2113 extra_host_args="$extra_host_args --with-gnu-as"
2116 if test x${use_gnu_ld} = x &&
2117 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2119 extra_host_args="$extra_host_args --with-gnu-ld"
2122 if test x${use_included_zlib} = x &&
2123 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2126 with_system_zlib=yes
2127 extra_host_args="$extra_host_args --with-system-zlib"
2130 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2131 # can detect this case.
2133 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2135 extra_host_args="$extra_host_args --with-newlib"
2138 # Handle ${copy_dirs}
2139 set fnord ${copy_dirs}
2141 while test $# != 0 ; do
2142 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2145 echo Copying $1 to $2
2147 # Use the install script to create the directory and all required
2148 # parent directories.
2149 if test -d $2 ; then
2153 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2156 # Copy the directory, assuming we have tar.
2157 # FIXME: Should we use B in the second tar? Not all systems support it.
2158 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2160 # It is the responsibility of the user to correctly adjust all
2161 # symlinks. If somebody can figure out how to handle them correctly
2162 # here, feel free to add the code.
2169 # Determine a target-dependent exec_prefix that the installed
2170 # gcc will search in. Keep this list sorted by triplet, with
2171 # the *-*-osname triplets last.
2175 md_exec_prefix=/gnu/lib/gcc-lib
2177 i[[34567]]86-pc-msdosdjgpp*)
2178 md_exec_prefix=/dev/env/DJDIR/bin
2180 i[[34567]]86-*-sco3.2v5*)
2181 if test $with_gnu_as = yes; then
2182 md_exec_prefix=/usr/gnu/bin
2184 md_exec_prefix=/usr/ccs/bin/elf
2189 powerpc-*-chorusos* | \
2190 powerpc*-*-eabi* | \
2191 powerpc*-*-sysv* | \
2192 powerpc*-*-kaos* | \
2194 md_exec_prefix=/usr/ccs/bin
2199 md_exec_prefix=/usr/ccs/bin
2214 md_exec_prefix=/usr/ccs/bin
2218 extra_arflags_for_target=
2219 extra_nmflags_for_target=
2220 extra_ranlibflags_for_target=
2221 target_makefile_frag=/dev/null
2224 target_makefile_frag="config/mt-spu"
2227 target_makefile_frag="config/mt-sde"
2229 mipsisa*-*-elfoabi*)
2230 target_makefile_frag="config/mt-mips-elfoabi"
2232 mips*-*-*linux* | mips*-*-gnu*)
2233 target_makefile_frag="config/mt-mips-gnu"
2235 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2236 target_makefile_frag="config/mt-gnu"
2238 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2239 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2240 # commands to handle both 32-bit and 64-bit objects. These flags are
2241 # harmless if we're using GNU nm or ar.
2242 extra_arflags_for_target=" -X32_64"
2243 extra_nmflags_for_target=" -B -X32_64"
2246 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2247 extra_ranlibflags_for_target=" -c"
2251 alphaieee_frag=/dev/null
2254 # This just makes sure to use the -mieee option to build target libs.
2255 # This should probably be set individually by each library.
2256 alphaieee_frag="config/mt-alphaieee"
2260 # If --enable-target-optspace always use -Os instead of -O2 to build
2261 # the target libraries, similarly if it is not specified, use -Os
2262 # on selected platforms.
2263 ospace_frag=/dev/null
2264 case "${enable_target_optspace}:${target}" in
2266 ospace_frag="config/mt-ospace"
2269 ospace_frag="config/mt-d30v"
2271 :m32r-* | :d10v-* | :fr30-*)
2272 ospace_frag="config/mt-ospace"
2277 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2281 # Default to using --with-stabs for certain targets.
2282 if test x${with_stabs} = x ; then
2284 mips*-*-irix[[56]]*)
2286 mips*-*-* | alpha*-*-osf*)
2288 extra_host_args="${extra_host_args} --with-stabs"
2293 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2294 # them automatically.
2297 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2301 # Some systems (e.g., one of the i386-aix systems the gas testers are
2302 # using) don't handle "\$" correctly, so don't use it here.
2303 tooldir='${exec_prefix}'/${target_noncanonical}
2304 build_tooldir=${tooldir}
2306 # Create a .gdbinit file which runs the one in srcdir
2307 # and tells GDB to look there for source files.
2309 if test -r ${srcdir}/.gdbinit ; then
2312 *) cat > ./.gdbinit <<EOF
2316 source ${srcdir}/.gdbinit
2322 # Make sure that the compiler is able to generate an executable. If it
2323 # can't, we are probably in trouble. We don't care whether we can run the
2324 # executable--we might be using a cross compiler--we only care whether it
2325 # can be created. At this point the main configure script has set CC.
2327 echo "int main () { return 0; }" > conftest.c
2328 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2329 if test $? = 0 ; then
2330 if test -s conftest || test -s conftest.exe ; then
2336 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2337 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2344 # The Solaris /usr/ucb/cc compiler does not appear to work.
2346 sparc-sun-solaris2*)
2347 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2348 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2350 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2351 if test -d /opt/cygnus/bin ; then
2352 if test "$could_use" = "" ; then
2353 could_use="/opt/cygnus/bin"
2355 could_use="$could_use or /opt/cygnus/bin"
2358 if test "$could_use" = "" ; then
2359 echo "Warning: compilation may fail because you're using"
2360 echo "/usr/ucb/cc. You should change your PATH or CC "
2361 echo "variable and rerun configure."
2363 echo "Warning: compilation may fail because you're using"
2364 echo "/usr/ucb/cc, when you should use the C compiler from"
2365 echo "$could_use. You should change your"
2366 echo "PATH or CC variable and rerun configure."
2372 # Decide which environment variable is used to find dynamic libraries.
2374 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2375 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2376 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2377 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2380 # On systems where the dynamic library environment variable is PATH,
2381 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2382 # built executables to PATH.
2383 if test "$RPATH_ENVVAR" = PATH; then
2384 GCC_SHLIB_SUBDIR=/shlib
2389 # Record target_configdirs and the configure arguments for target and
2390 # build configuration in Makefile.
2391 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2392 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2394 # If we are building libgomp, bootstrap it.
2395 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2396 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2399 # Determine whether gdb needs tk/tcl or not.
2400 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2401 # and in that case we want gdb to be built without tk. Ugh!
2402 # In fact I believe gdb is the *only* package directly dependent on tk,
2403 # so we should be able to put the 'maybe's in unconditionally and
2404 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2405 # 100% sure that that's safe though.
2407 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2408 case "$enable_gdbtk" in
2412 GDB_TK="${gdb_tk}" ;;
2414 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2415 # distro. Eventually someone will fix this and move Insight, nee
2416 # gdbtk to a separate directory.
2417 if test -d ${srcdir}/gdb/gdbtk ; then
2424 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2425 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2427 # Strip out unwanted targets.
2429 # While at that, we remove Makefiles if we were started for recursive
2430 # configuration, so that the top-level Makefile reconfigures them,
2431 # like we used to do when configure itself was recursive.
2433 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2434 # but now we're fixing up the Makefile ourselves with the additional
2435 # commands passed to AC_CONFIG_FILES. Use separate variables
2436 # extrasub-{build,host,target} not because there is any reason to split
2437 # the substitutions up that way, but only to remain below the limit of
2438 # 99 commands in a script, for HP-UX sed.
2439 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2441 AC_ARG_ENABLE([bootstrap],
2442 [AS_HELP_STRING([--enable-bootstrap],
2443 [enable bootstrapping @<:@yes if native build@:>@])],,
2444 enable_bootstrap=default)
2446 # Issue errors and warnings for invalid/strange bootstrap combinations.
2447 case "$configdirs" in
2448 *gcc*) have_compiler=yes ;;
2449 *) have_compiler=no ;;
2452 case "$have_compiler:$host:$target:$enable_bootstrap" in
2455 # Default behavior. Enable bootstrap if we have a compiler
2456 # and we are in a native configuration.
2457 yes:$build:$build:default)
2458 enable_bootstrap=yes ;;
2461 enable_bootstrap=no ;;
2463 # We have a compiler and we are in a native configuration, bootstrap is ok
2464 yes:$build:$build:yes)
2467 # Other configurations, but we have a compiler. Assume the user knows
2470 AC_MSG_WARN([trying to bootstrap a cross compiler])
2473 # No compiler: if they passed --enable-bootstrap explicitly, fail
2475 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2477 # Fail if wrong command line
2479 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2483 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2486 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2490 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2491 yes:yes:*\ gold\ *:*,c++,*) ;;
2492 yes:yes:*\ gold\ *:*)
2493 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2497 # Adjust the toplevel makefile according to whether bootstrap was selected.
2498 case $enable_bootstrap in
2500 bootstrap_suffix=bootstrap
2501 BUILD_CONFIG=bootstrap-debug
2504 bootstrap_suffix=no-bootstrap
2509 AC_MSG_CHECKING(for default BUILD_CONFIG)
2511 AC_ARG_WITH([build-config],
2512 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2513 [use config/NAME.mk build configuration])],
2514 [case $with_build_config in
2515 yes) with_build_config= ;;
2516 no) with_build_config= BUILD_CONFIG= ;;
2519 if test "x${with_build_config}" != x; then
2520 BUILD_CONFIG=$with_build_config
2522 case $BUILD_CONFIG in
2524 if echo "int f (void) { return 0; }" > conftest.c &&
2525 ${CC} -c conftest.c &&
2526 mv conftest.o conftest.o.g0 &&
2527 ${CC} -c -g conftest.c &&
2528 mv conftest.o conftest.o.g &&
2529 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2534 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2538 AC_MSG_RESULT($BUILD_CONFIG)
2539 AC_SUBST(BUILD_CONFIG)
2542 for module in ${build_configdirs} ; do
2543 if test -z "${no_recursion}" \
2544 && test -f ${build_subdir}/${module}/Makefile; then
2545 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2546 rm -f ${build_subdir}/${module}/Makefile
2548 extrasub_build="$extrasub_build
2549 /^@if build-$module\$/d
2550 /^@endif build-$module\$/d
2551 /^@if build-$module-$bootstrap_suffix\$/d
2552 /^@endif build-$module-$bootstrap_suffix\$/d"
2555 for module in ${configdirs} ; do
2556 if test -z "${no_recursion}"; then
2557 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2558 if test -f ${file}; then
2559 echo 1>&2 "*** removing ${file} to force reconfigure"
2564 extrasub_host="$extrasub_host
2566 /^@endif $module\$/d
2567 /^@if $module-$bootstrap_suffix\$/d
2568 /^@endif $module-$bootstrap_suffix\$/d"
2571 for module in ${target_configdirs} ; do
2572 if test -z "${no_recursion}" \
2573 && test -f ${target_subdir}/${module}/Makefile; then
2574 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2575 rm -f ${target_subdir}/${module}/Makefile
2578 # We only bootstrap target libraries listed in bootstrap_target_libs.
2579 case $bootstrap_target_libs in
2580 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2581 *) target_bootstrap_suffix=no-bootstrap ;;
2584 extrasub_target="$extrasub_target
2585 /^@if target-$module\$/d
2586 /^@endif target-$module\$/d
2587 /^@if target-$module-$target_bootstrap_suffix\$/d
2588 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2591 # Do the final fixup along with target modules.
2592 extrasub_target="$extrasub_target
2593 /^@if /,/^@endif /d"
2595 # Create the serialization dependencies. This uses a temporary file.
2597 AC_ARG_ENABLE([serial-configure],
2598 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2599 [force sequential configuration of
2600 sub-packages for the host, target or build
2601 machine, or all sub-packages])])
2603 case ${enable_serial_configure} in
2605 enable_serial_build_configure=yes
2606 enable_serial_host_configure=yes
2607 enable_serial_target_configure=yes
2611 # These force 'configure's to be done one at a time, to avoid problems
2612 # with contention over a shared config.cache.
2614 echo '# serdep.tmp' > serdep.tmp
2616 test "x${enable_serial_build_configure}" = xyes &&
2617 for item in ${build_configdirs} ; do
2620 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2625 test "x${enable_serial_host_configure}" = xyes &&
2626 for item in ${configdirs} ; do
2629 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2634 test "x${enable_serial_target_configure}" = xyes &&
2635 for item in ${target_configdirs} ; do
2638 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2642 serialization_dependencies=serdep.tmp
2643 AC_SUBST_FILE(serialization_dependencies)
2645 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2646 # target, nonopt, and variable assignments. These are the ones we
2647 # might not want to pass down to subconfigures. The exception being
2648 # --cache-file=/dev/null, which is used to turn off the use of cache
2649 # files altogether, and which should be passed on to subconfigures.
2650 # Also strip program-prefix, program-suffix, and program-transform-name,
2651 # so that we can pass down a consistent program-transform-name.
2656 eval "set -- $ac_configure_args"
2659 if test X"$skip_next" = X"yes"; then
2663 if test X"$keep_next" = X"yes"; then
2666 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2668 baseargs="$baseargs '$ac_arg'"
2669 tbaseargs="$tbaseargs '$ac_arg'"
2674 # Handle separated arguments. Based on the logic generated by
2677 *=* | --config-cache | -C | -disable-* | --disable-* \
2678 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2679 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2680 | -with-* | --with-* | -without-* | --without-* | --x)
2694 --with-* | --without-*)
2695 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2699 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2702 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2711 mpc | mpfr | gmp | ppl | cloog)
2712 # If we're processing --with-$lib, --with-$lib-include or
2713 # --with-$lib-lib, for one of the libs above, and target is
2714 # different from host, don't pass the current argument to any
2715 # target library's configure.
2716 if test x$is_cross_compiler = xyes; then
2725 --cache-file=/dev/null | \
2726 -cache-file=/dev/null )
2727 # Handled here to avoid the test to skip args below.
2728 baseargs="$baseargs '$ac_arg'"
2729 tbaseargs="$tbaseargs '$ac_arg'"
2730 # Assert: $separate_arg should always be no.
2731 keep_next=$separate_arg
2747 -program-prefix* | \
2748 -program-suffix* | \
2749 -program-transform-name* )
2750 skip_next=$separate_arg
2754 # An option. Add it.
2757 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2759 baseargs="$baseargs '$ac_arg'"
2760 if test X"$skip_targ" = Xno; then
2761 tbaseargs="$tbaseargs '$ac_arg'"
2763 keep_next=$separate_arg
2766 # Either a variable assignment, or a nonopt (triplet). Don't
2767 # pass it down; let the Makefile handle this.
2772 # Remove the initial space we just introduced and, as these will be
2773 # expanded by make, quote '$'.
2774 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2776 # Add in --program-transform-name, after --program-prefix and
2777 # --program-suffix have been applied to it. Autoconf has already
2778 # doubled dollar signs and backslashes in program_transform_name; we want
2779 # the backslashes un-doubled, and then the entire thing wrapped in single
2780 # quotes, because this will be expanded first by make and then by the shell.
2781 # Also, because we want to override the logic in subdir configure scripts to
2782 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2783 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2784 ${program_transform_name}
2786 gcc_transform_name=`cat conftestsed.out`
2787 rm -f conftestsed.out
2788 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2789 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2790 if test "$silent" = yes; then
2791 baseargs="$baseargs --silent"
2792 tbaseargs="$tbaseargs --silent"
2794 baseargs="$baseargs --disable-option-checking"
2795 tbaseargs="$tbaseargs --disable-option-checking"
2797 # Record and document user additions to sub configure arguments.
2798 AC_ARG_VAR([build_configargs],
2799 [additional configure arguments for build directories])
2800 AC_ARG_VAR([host_configargs],
2801 [additional configure arguments for host directories])
2802 AC_ARG_VAR([target_configargs],
2803 [additional configure arguments for target directories])
2805 # For the build-side libraries, we just need to pretend we're native,
2806 # and not use the same cache file. Multilibs are neither needed nor
2808 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2810 # For host modules, accept cache file option, or specification as blank.
2811 case "${cache_file}" in
2813 cache_file_option="" ;;
2814 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2815 cache_file_option="--cache-file=${cache_file}" ;;
2817 cache_file_option="--cache-file=../${cache_file}" ;;
2820 # Host dirs don't like to share a cache file either, horribly enough.
2821 # This seems to be due to autoconf 2.5x stupidity.
2822 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2824 target_configargs="$target_configargs ${tbaseargs}"
2826 # Passing a --with-cross-host argument lets the target libraries know
2827 # whether they are being built with a cross-compiler or being built
2828 # native. However, it would be better to use other mechanisms to make the
2829 # sorts of decisions they want to make on this basis. Please consider
2830 # this option to be deprecated. FIXME.
2831 if test x${is_cross_compiler} = xyes ; then
2832 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2835 # Default to --enable-multilib.
2836 if test x${enable_multilib} = x ; then
2837 target_configargs="--enable-multilib ${target_configargs}"
2840 # Pass --with-newlib if appropriate. Note that target_configdirs has
2841 # changed from the earlier setting of with_newlib.
2842 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2843 target_configargs="--with-newlib ${target_configargs}"
2846 # Different target subdirs use different values of certain variables
2847 # (notably CXX). Worse, multilibs use *lots* of different values.
2848 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2849 # it doesn't automatically accept command-line overrides of them.
2850 # This means it's not safe for target subdirs to share a cache file,
2851 # which is disgusting, but there you have it. Hopefully this can be
2852 # fixed in future. It's still worthwhile to use a cache file for each
2853 # directory. I think.
2855 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2856 # We need to pass --target, as newer autoconf's requires consistency
2857 # for target_alias and gcc doesn't manage it consistently.
2858 target_configargs="--cache-file=./config.cache ${target_configargs}"
2861 case " $target_configdirs " in
2863 case " $target_configargs " in
2864 *" --with-newlib "*)
2867 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 $$s/winsup/w32api/include'
2871 # If we're not building GCC, don't discard standard headers.
2872 if test -d ${srcdir}/gcc; then
2873 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2875 if test "${build}" != "${host}"; then
2876 # On Canadian crosses, CC_FOR_TARGET will have already been set
2877 # by `configure', so we won't have an opportunity to add -Bgcc/
2878 # to it. This is right: we don't want to search that directory
2879 # for binaries, but we want the header files in there, so add
2881 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2883 # Someone might think of using the pre-installed headers on
2884 # Canadian crosses, in case the installed compiler is not fully
2885 # compatible with the compiler being built. In this case, it
2886 # would be better to flag an error than risking having
2887 # incompatible object files being constructed. We can't
2888 # guarantee that an error will be flagged, but let's hope the
2889 # compiler will do it, when presented with incompatible header
2894 case "${target}-${is_cross_compiler}" in
2895 i[[3456789]]86-*-linux*-no)
2896 # Here host == target, so we don't need to build gcc,
2897 # so we don't want to discard standard headers.
2898 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2901 # If we're building newlib, use its generic headers last, but search
2902 # for any libc-related directories first (so make it the last -B
2904 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2906 # If we're building libgloss, find the startup file, simulator library
2907 # and linker script.
2908 case " $target_configdirs " in
2910 # Look for startup file, simulator library and maybe linker script.
2911 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2912 # Look for libnosys.a in case the target needs it.
2913 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2914 # Most targets have the linker script in the source directory.
2915 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2926 x86_64-*mingw* | *-w64-mingw*)
2927 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2928 # however, use a symlink named 'mingw' in ${prefix} .
2929 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2932 # MinGW can't be handled as Cygwin above since it does not use newlib.
2933 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2937 # Allow the user to override the flags for
2938 # our build compiler if desired.
2939 if test x"${build}" = x"${host}" ; then
2940 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2941 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2942 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2945 # On Canadian crosses, we'll be searching the right directories for
2946 # the previously-installed cross compiler, so don't bother to add
2947 # flags for directories within the install tree of the compiler
2948 # being built; programs in there won't even run.
2949 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2950 # Search for pre-installed headers if nothing else fits.
2951 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2954 if test "x${use_gnu_ld}" = x &&
2955 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2956 # Arrange for us to find uninstalled linker scripts.
2957 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2960 # Search for other target-specific linker scripts and such.
2963 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2967 # Makefile fragments.
2968 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2970 eval fragval=\$$frag
2971 if test $fragval != /dev/null; then
2972 eval $frag=${srcdir}/$fragval
2975 AC_SUBST_FILE(host_makefile_frag)
2976 AC_SUBST_FILE(target_makefile_frag)
2977 AC_SUBST_FILE(alphaieee_frag)
2978 AC_SUBST_FILE(ospace_frag)
2980 # Miscellanea: directories, flags, etc.
2981 AC_SUBST(RPATH_ENVVAR)
2982 AC_SUBST(GCC_SHLIB_SUBDIR)
2984 AC_SUBST(build_tooldir)
2985 AC_SUBST(CONFIGURE_GDB_TK)
2987 AC_SUBST(INSTALL_GDB_TK)
2989 # Build module lists & subconfigure args.
2990 AC_SUBST(build_configargs)
2991 AC_SUBST(build_configdirs)
2993 # Host module lists & subconfigure args.
2994 AC_SUBST(host_configargs)
2995 AC_SUBST(configdirs)
2996 AC_SUBST(target_configdirs)
2998 # Target module lists & subconfigure args.
2999 AC_SUBST(target_configargs)
3003 AC_SUBST(AR_FOR_BUILD)
3004 AC_SUBST(AS_FOR_BUILD)
3005 AC_SUBST(CC_FOR_BUILD)
3006 AC_SUBST(CFLAGS_FOR_BUILD)
3007 AC_SUBST(CXXFLAGS_FOR_BUILD)
3008 AC_SUBST(CXX_FOR_BUILD)
3009 AC_SUBST(DLLTOOL_FOR_BUILD)
3010 AC_SUBST(GCJ_FOR_BUILD)
3011 AC_SUBST(GFORTRAN_FOR_BUILD)
3012 AC_SUBST(GOC_FOR_BUILD)
3013 AC_SUBST(LDFLAGS_FOR_BUILD)
3014 AC_SUBST(LD_FOR_BUILD)
3015 AC_SUBST(NM_FOR_BUILD)
3016 AC_SUBST(RANLIB_FOR_BUILD)
3017 AC_SUBST(WINDMC_FOR_BUILD)
3018 AC_SUBST(WINDRES_FOR_BUILD)
3019 AC_SUBST(config_shell)
3021 # Generate default definitions for YACC, M4, LEX and other programs that run
3022 # on the build machine. These are used if the Makefile can't locate these
3023 # programs in objdir.
3024 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3026 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3027 case " $build_configdirs " in
3028 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3029 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3032 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3033 case " $build_configdirs " in
3034 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3037 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3038 case " $build_configdirs " in
3039 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3042 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3043 case " $build_configdirs " in
3044 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3045 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3048 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3049 case " $build_configdirs " in
3050 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3053 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3054 case " $build_configdirs " in
3055 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3058 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3059 # higher, else we use the "missing" dummy.
3060 if ${MAKEINFO} --version \
3061 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3064 MAKEINFO="$MISSING makeinfo"
3070 # FIXME: expect and dejagnu may become build tools?
3072 AC_CHECK_PROGS(EXPECT, expect, expect)
3073 case " $configdirs " in
3075 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3079 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3080 case " $configdirs " in
3082 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3088 NCN_STRICT_CHECK_TOOLS(AR, ar)
3089 NCN_STRICT_CHECK_TOOLS(AS, as)
3090 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3091 NCN_STRICT_CHECK_TOOLS(LD, ld)
3092 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3093 NCN_STRICT_CHECK_TOOLS(NM, nm)
3094 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3095 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3096 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3097 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3098 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3099 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3106 AC_ARG_WITH([build-time-tools],
3107 [AS_HELP_STRING([--with-build-time-tools=PATH],
3108 [use given path to find target tools during the build])],
3109 [case x"$withval" in
3112 with_build_time_tools=
3113 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3116 [with_build_time_tools=])
3118 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3119 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3120 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3121 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3122 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3123 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3125 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3126 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3127 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3128 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3129 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3130 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3131 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3132 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3133 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3134 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3135 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3137 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3139 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3140 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3141 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3142 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3143 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3144 [gcc/g++ -B$$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],
3146 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3147 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3149 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3150 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3151 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3152 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3153 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3154 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3155 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3156 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3157 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3158 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3159 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3160 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3161 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3162 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3163 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3164 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3166 AC_SUBST(FLAGS_FOR_TARGET)
3167 AC_SUBST(RAW_CXX_FOR_TARGET)
3169 # Certain tools may need extra flags.
3170 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3171 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3172 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3174 # When building target libraries, except in a Canadian cross, we use
3175 # the same toolchain as the compiler we just built.
3176 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3177 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3178 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3179 if test $host = $build; then
3180 case " $configdirs " in
3182 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3183 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3184 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3189 AC_SUBST(COMPILER_AS_FOR_TARGET)
3190 AC_SUBST(COMPILER_LD_FOR_TARGET)
3191 AC_SUBST(COMPILER_NM_FOR_TARGET)
3193 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3194 AC_ARG_ENABLE(maintainer-mode,
3195 [AS_HELP_STRING([--enable-maintainer-mode],
3196 [enable make rules and dependencies not useful
3197 (and sometimes confusing) to the casual installer])],
3198 USE_MAINTAINER_MODE=$enableval,
3199 USE_MAINTAINER_MODE=no)
3200 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3201 AC_SUBST(MAINTAINER_MODE_TRUE)
3202 AC_SUBST(MAINTAINER_MODE_FALSE)
3203 if test "$USE_MAINTAINER_MODE" = yes; then
3204 MAINTAINER_MODE_TRUE=
3205 MAINTAINER_MODE_FALSE='#'
3207 MAINTAINER_MODE_TRUE='#'
3208 MAINTAINER_MODE_FALSE=
3210 MAINT=$MAINTAINER_MODE_TRUE
3213 # ---------------------
3214 # GCC bootstrap support
3215 # ---------------------
3217 # Stage specific cflags for build.
3222 yes) stage1_cflags="-g -Wa,-J" ;;
3223 *) stage1_cflags="-g -J" ;;
3227 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3228 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3229 saved_CFLAGS="$CFLAGS"
3231 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3232 CFLAGS="$CFLAGS -fkeep-inline-functions"
3233 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3235 #if (__GNUC__ < 3) \
3236 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3237 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3238 #error http://gcc.gnu.org/PR29382
3241 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3242 [AC_MSG_RESULT([no])])
3244 CFLAGS="$saved_CFLAGS"
3247 AC_SUBST(stage1_cflags)
3249 # Enable --enable-checking in stage1 of the compiler.
3250 AC_ARG_ENABLE(stage1-checking,
3251 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3252 [choose additional checking for stage1 of the compiler])],
3253 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3254 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3255 stage1_checking=--enable-checking=yes,types
3257 stage1_checking=--enable-checking=$enable_checking,types
3259 AC_SUBST(stage1_checking)
3261 # Enable -Werror in bootstrap stage2 and later.
3262 AC_ARG_ENABLE(werror,
3263 [AS_HELP_STRING([--enable-werror],
3264 [enable -Werror in bootstrap stage2 and later])], [],
3265 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3270 case ${enable_werror} in
3271 yes) stage2_werror_flag="--enable-werror-always" ;;
3272 *) stage2_werror_flag="" ;;
3274 AC_SUBST(stage2_werror_flag)
3276 # Specify what files to not compare during bootstrap.
3278 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3280 hppa*64*-*-hpux*) ;;
3281 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3283 case " $configdirs " in
3284 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3286 AC_SUBST(compare_exclusions)
3288 AC_CONFIG_FILES([Makefile],
3289 [sed "$extrasub_build" Makefile |
3290 sed "$extrasub_host" |
3291 sed "$extrasub_target" > mf$$
3292 mv -f mf$$ Makefile],
3293 [extrasub_build="$extrasub_build"
3294 extrasub_host="$extrasub_host"
3295 extrasub_target="$extrasub_target"])