1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2 # 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
23 AC_INIT(move-if-change)
28 # Get 'install' or 'install-sh' and its variants.
33 ### we might need to use some other shell than /bin/sh for running subshells
34 ### If we are on Windows, search for the shell. This will permit people
35 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
36 ### without also having to set CONFIG_SHELL. This code will work when
37 ### using bash, which sets OSTYPE.
40 if test x${CONFIG_SHELL} = x ; then
41 if test ! -f /bin/sh ; then
42 if test x${SHELL} != x && test -f ${SHELL} ; then
46 for prog in sh sh.exe bash bash.exe; do
47 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
49 test -z "$dir" && dir=.
50 if test -f $dir/$prog; then
51 CONFIG_SHELL=$dir/$prog
57 test -n "${CONFIG_SHELL}" && break
65 config_shell=${CONFIG_SHELL-/bin/sh}
68 # if PWD already has a value, it is probably wrong.
69 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
71 # Export original configure arguments for use by sub-configures. These
72 # will be expanded by make, so quote '$'.
74 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
77 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
79 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
81 moveifchange=${srcdir}/move-if-change
83 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
85 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
87 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
88 INSTALL="${srcpwd}/install-sh -c"
91 # Set srcdir to "." if that's what it is.
92 # This is important for multilib support.
94 if test "${pwd}" = "${srcpwd}" ; then
102 ### To add a new directory to the tree, first choose whether it is a target
103 ### or a host dependent tool. Then put it into the appropriate list
104 ### (library or tools, host or target), doing a dependency sort.
106 # Subdirs will be configured in the order listed in build_configdirs,
107 # configdirs, or target_configdirs; see the serialization section below.
109 # Dependency sorting is only needed when *configuration* must be done in
110 # a particular order. In all cases a dependency should be specified in
111 # the Makefile, whether or not it's implicitly specified here.
113 # Double entries in build_configdirs, configdirs, or target_configdirs may
114 # cause circular dependencies and break everything horribly.
116 # these library is used by various programs built for the build
119 build_libs="build-libiberty"
121 # these tools are built for the build environment
122 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
124 # these libraries are used by various programs built for the host environment
126 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr"
128 # these tools are built for the host environment
129 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
130 # know that we are building the simulator.
131 # binutils, gas and ld appear in that order because it makes sense to run
132 # "make check" in that particular order.
133 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc 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"
135 # libgcj represents the runtime libraries only used by gcj.
136 libgcj="target-libffi \
141 # these libraries are built for the target environment, and are built after
142 # the host libraries and the host tools (which may be a cross compiler)
144 target_libraries="target-libiberty \
148 target-libstdc++-v3 \
158 # these tools are built using the target libraries, and are intended to
159 # run only in the target environment
161 # note: any program that *uses* libraries that are in the "target_libraries"
162 # list belongs in this list. those programs are also very likely
163 # candidates for the "native_only" list which follows
165 target_tools="target-examples target-groff target-gperf target-rda"
167 ################################################################################
169 ## All tools belong in one of the four categories, and are assigned above
170 ## We assign ${configdirs} this way to remove all embedded newlines. This
171 ## is important because configure will choke if they ever get through.
172 ## ${configdirs} is directories we build using the host tools.
173 ## ${target_configdirs} is directories we build using the target tools.
174 configdirs=`echo ${host_libs} ${host_tools}`
175 target_configdirs=`echo ${target_libraries} ${target_tools}`
176 build_configdirs=`echo ${build_libs} ${build_tools}`
178 ################################################################################
180 srcname="gnu development package"
182 # This gets set non-empty for some net releases of packages.
185 # Define is_cross_compiler to save on calls to 'test'.
187 if test x"${host}" = x"${target}" ; then
190 is_cross_compiler=yes
193 # Find the build and target subdir names.
196 # Skipdirs are removed silently.
198 # Noconfigdirs are removed loudly.
202 # Make sure we don't let GNU ld be added if we didn't want it.
203 if test x$with_gnu_ld = xno ; then
205 noconfigdirs="$noconfigdirs ld"
209 # Make sure we don't let GNU as be added if we didn't want it.
210 if test x$with_gnu_as = xno ; then
212 noconfigdirs="$noconfigdirs gas"
215 # some tools are so dependent upon X11 that if we're not building with X,
216 # it's not even worth trying to configure, much less build, that tool.
219 yes | "") ;; # the default value for this tree is that X11 is available
221 skipdirs="${skipdirs} tk itcl libgui"
222 # We won't be able to build gdbtk without X.
225 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
228 # Some tools are only suitable for building in a "native" situation.
229 # Remove these if host!=target.
230 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
232 # Similarly, some are only suitable for cross toolchains.
233 # Remove these if host=target.
234 cross_only="target-libgloss target-newlib target-opcodes"
236 case $is_cross_compiler in
237 no) skipdirs="${skipdirs} ${cross_only}" ;;
238 yes) skipdirs="${skipdirs} ${native_only}" ;;
241 # If both --with-headers and --with-libs are specified, default to
243 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
244 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
245 if test x"${with_newlib}" = x ; then
250 # Recognize --with-newlib/--without-newlib.
251 case ${with_newlib} in
252 no) skipdirs="${skipdirs} target-newlib" ;;
253 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
256 # Configure extra directories which are host specific
260 configdirs="$configdirs libtermcap" ;;
263 # A target can indicate whether a language isn't supported for some reason.
264 # Only spaces may be used in this macro; not newlines or tabs.
265 unsupported_languages=
267 # Remove more programs from consideration, based on the host or
268 # target this usually means that a port of the program doesn't
273 noconfigdirs="$noconfigdirs byacc"
275 i[[3456789]]86-*-vsta)
276 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
278 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
279 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
282 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
284 i[[3456789]]86-*-mingw32*)
285 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
286 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
288 i[[3456789]]86-*-beos*)
289 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
292 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
295 noconfigdirs="$noconfigdirs rcs"
298 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
301 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
306 AC_ARG_ENABLE(libada,
307 [ --enable-libada Builds libada directory],
308 ENABLE_LIBADA=$enableval,
310 if test "${ENABLE_LIBADA}" != "yes" ; then
311 noconfigdirs="$noconfigdirs gnattools"
314 AC_ARG_ENABLE(libssp,
315 [ --enable-libssp Builds libssp directory],
316 ENABLE_LIBSSP=$enableval,
319 # Save it here so that, even in case of --enable-libgcj, if the Java
320 # front-end isn't enabled, we still get libgcj disabled.
322 case $enable_libgcj in
324 # If we reset it here, it won't get added to noconfigdirs in the
325 # target-specific build rules, so it will be forcibly enabled
326 # (unless the Java language itself isn't enabled).
330 # Make sure we get it printed in the list of not supported target libs.
331 noconfigdirs="$noconfigdirs ${libgcj}"
336 # Disable libmudflap on some systems.
337 if test x$enable_libmudflap = x ; then
339 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
340 # Enable libmudflap by default in GNU and friends.
343 # Enable libmudflap by default in FreeBSD.
346 # Disable it by default everywhere else.
347 noconfigdirs="$noconfigdirs target-libmudflap"
352 # Disable libgomp on non POSIX hosted systems.
353 if test x$enable_libgomp = x ; then
354 # Enable libgomp by default on hosted POSIX systems.
356 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
358 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
360 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
362 *-*-darwin* | *-*-aix*)
365 noconfigdirs="$noconfigdirs target-libgomp"
373 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
375 powerpc-*-darwin* | i[[3456789]]86-*-darwin*)
376 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
377 noconfigdirs="$noconfigdirs sim target-rda"
380 noconfigdirs="$noconfigdirs ld gas gdb gprof"
381 noconfigdirs="$noconfigdirs sim target-rda"
382 noconfigdirs="$noconfigdirs ${libgcj}"
384 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
385 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
388 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
389 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
390 && test -f /usr/local/include/gmp.h; then
394 # Skip some stuff that's unsupported on some FreeBSD configurations.
399 noconfigdirs="$noconfigdirs ${libgcj}"
404 # Remove unsupported stuff on all kaOS configurations.
405 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
406 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
407 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
408 noconfigdirs="$noconfigdirs target-libgloss"
411 # Skip some stuff on all NetBSD configurations.
412 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
414 # Skip some stuff that's unsupported on some NetBSD configurations.
416 i*86-*-netbsdelf*) ;;
417 arm*-*-netbsdelf*) ;;
419 noconfigdirs="$noconfigdirs ${libgcj}"
424 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
427 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
429 # The tpf target doesn't support gdb yet.
431 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
434 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
437 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
440 # ld works, but does not support shared libraries.
441 # newlib is not 64 bit ready. I'm not sure about fileutils.
442 # gas doesn't generate exception information.
443 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
446 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
449 # newlib is not 64 bit ready
450 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
453 # newlib is not 64 bit ready
454 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
457 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
460 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
462 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
463 noconfigdirs="$noconfigdirs ${libgcj}"
464 noconfigdirs="$noconfigdirs target-examples"
465 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
466 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
467 noconfigdirs="$noconfigdirs expect dejagnu"
468 # the C++ libraries don't build on top of CE's C libraries
469 noconfigdirs="$noconfigdirs target-libstdc++-v3"
470 noconfigdirs="$noconfigdirs target-newlib"
472 *-*-cygwin*) ;; # keep gdb and readline
473 *) noconfigdirs="$noconfigdirs gdb readline"
478 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
482 arm-*-coff | strongarm-*-coff | xscale-*-coff)
483 noconfigdirs="$noconfigdirs ${libgcj}"
485 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
486 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
488 arm*-*-linux-gnueabi)
489 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
490 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
493 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
496 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
499 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
502 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
505 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
508 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
511 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
514 noconfigdirs="$noconfigdirs gdb"
515 if test x${is_cross_compiler} != xno ; then
516 target_configdirs="${target_configdirs} target-bsp target-cygmon"
520 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
522 c54x*-*-* | tic54x-*-*)
523 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
525 cris-*-* | crisv32-*-*)
526 unsupported_languages="$unsupported_languages java"
529 unsupported_languages="$unsupported_languages fortran"
530 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
532 unsupported_languages="$unsupported_languages fortran"
533 noconfigdirs="$noconfigdirs target-boehm-gc";;
535 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
537 unsupported_languages="$unsupported_languages fortran"
538 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
542 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
545 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
548 noconfigdirs="$noconfigdirs ${libgcj} gdb"
551 noconfigdirs="$noconfigdirs ${libgcj} gdb"
554 noconfigdirs="$noconfigdirs ${libgcj}"
557 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
560 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
562 hppa1.1-*-osf* | hppa1.1-*-bsd* )
564 hppa*64*-*-linux* | parisc*64*-*-linux*)
565 # In this case, it's because the hppa64-linux target is for
566 # the kernel only at this point and has no libc, and thus no
567 # headers, crt*.o, etc., all of which are needed by these.
568 noconfigdirs="$noconfigdirs target-zlib"
570 parisc*-*-linux* | hppa*-*-linux*)
576 noconfigdirs="$noconfigdirs ${libgcj}"
579 noconfigdirs="$noconfigdirs ld shellutils"
582 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
583 # build on HP-UX 10.20.
584 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
587 noconfigdirs="$noconfigdirs ${libgcj} gdb"
590 # No gdb support yet.
591 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
594 # No gdb or ld support yet.
595 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
599 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
600 noconfigdirs="$noconfigdirs ${libgcj}"
602 i[[3456789]]86-*-linux*)
603 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
604 # not build java stuff by default.
607 noconfigdirs="$noconfigdirs ${libgcj}";;
610 # This section makes it possible to build newlib natively on linux.
611 # If we are using a cross compiler then don't configure newlib.
612 if test x${is_cross_compiler} != xno ; then
613 noconfigdirs="$noconfigdirs target-newlib"
615 noconfigdirs="$noconfigdirs target-libgloss"
616 # If we are not using a cross compiler, do configure newlib.
617 # Note however, that newlib will only be configured in this situation
618 # if the --with-newlib option has been given, because otherwise
619 # 'target-newlib' will appear in skipdirs.
621 i[[3456789]]86-*-mingw32*)
622 target_configdirs="$target_configdirs target-winsup"
623 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
626 target_configdirs="$target_configdirs target-winsup"
627 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
630 target_configdirs="$target_configdirs target-libtermcap target-winsup"
631 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
632 # always build newlib if winsup directory is present.
633 if test -d "$srcdir/winsup/cygwin"; then
634 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
635 elif test -d "$srcdir/newlib"; then
636 echo "Warning: winsup/cygwin is missing so newlib can't be built."
639 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
640 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
643 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
645 i[[3456789]]86-*-sco3.2v5*)
646 # The linker does not yet know about weak symbols in COFF,
647 # and is not configured to handle mixed ELF and COFF.
648 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
650 i[[3456789]]86-*-sco*)
651 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
653 i[[3456789]]86-*-solaris2*)
654 noconfigdirs="$noconfigdirs target-libgloss"
656 i[[3456789]]86-*-sysv4*)
657 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
659 i[[3456789]]86-*-beos*)
660 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
662 i[[3456789]]86-*-rdos*)
663 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
666 noconfigdirs="$noconfigdirs ${libgcj}"
668 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
669 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
672 noconfigdirs="$noconfigdirs ${libgcj}"
675 noconfigdirs="$noconfigdirs ${libgcj}"
678 # The EPOC C++ environment does not support exceptions or rtti,
679 # and so building libstdc++-v3 tends not to always work.
680 noconfigdirs="$noconfigdirs target-libstdc++-v3"
683 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
684 unsupported_languages="$unsupported_languages fortran java"
687 noconfigdirs="$noconfigdirs ${libgcj}"
690 noconfigdirs="$noconfigdirs ${libgcj}"
693 noconfigdirs="$noconfigdirs sim"
696 # copied from rs6000-*-* entry
697 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
699 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
700 target_configdirs="$target_configdirs target-winsup"
701 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
702 # always build newlib.
703 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
705 # This is temporary until we can link against shared libraries
706 powerpcle-*-solaris*)
707 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
710 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
713 noconfigdirs="$noconfigdirs ${libgcj}"
715 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
718 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
721 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
724 noconfigdirs="$noconfigdirs gprof ${libgcj}"
727 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
730 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
733 # Linking libjava exceeds command-line length limits on at least
734 # IRIX 6.2, but not on IRIX 6.5.
735 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
736 # <oldham@codesourcery.com>
737 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
740 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
743 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
746 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
749 noconfigdirs="$noconfigdirs gprof ${libgcj}"
752 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
756 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
757 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
758 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
759 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
761 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
764 noconfigdirs="$noconfigdirs ${libgcj}"
767 noconfigdirs="$noconfigdirs ${libgcj}"
770 noconfigdirs="$noconfigdirs ${libgcj}"
773 noconfigdirs="$noconfigdirs ${libgcj}"
774 if test x${is_cross_compiler} != xno ; then
775 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
780 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
781 noconfigdirs="$noconfigdirs ${libgcj}"
783 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
786 skipdirs="target-libssp"
789 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
792 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
795 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
798 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
801 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
804 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
807 noconfigdirs="$noconfigdirs ${libgcj}"
810 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
812 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
813 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
816 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
819 noconfigdirs="$noconfigdirs ${libgcj}"
823 # If we aren't building newlib, then don't build libgloss, since libgloss
824 # depends upon some newlib header files.
825 case "${noconfigdirs}" in
826 *target-libgloss*) ;;
827 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
830 # Work in distributions that contain no compiler tools, like Autoconf.
832 host_makefile_frag=/dev/null
833 if test -d ${srcdir}/config ; then
836 # Avoid "too much defining" errors from HPUX compiler.
837 tentative_cc="cc -Wp,-H256000"
838 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
839 # If it's HP/UX ar, this should be harmless.
843 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
846 #None of the Apollo compilers can compile gas or binutils. The preprocessor
847 # chokes on bfd, the compiler won't let you assign integers to enums, and
848 # other problems. Defining CC to gcc is a questionable way to say "don't use
849 # the apollo compiler" (the preferred version of GCC could be called cc,
850 # or whatever), but I'm not sure leaving CC as cc is any better...
851 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
852 # Used to have BISON=yacc.
856 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
859 # Under CX/UX, we want to tell the compiler to use ANSI mode.
860 tentative_cc="cc -Xa"
861 host_makefile_frag="config/mh-cxux"
866 tentative_cc="cc -Wf,-XNg1000"
867 host_makefile_frag="config/mh-decstation"
870 # The C compiler on NEC MIPS SVR4 needs bigger tables.
871 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
872 host_makefile_frag="config/mh-necv4"
875 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
876 # environment. Also bump switch table size so that cp-parse will
877 # compile. Bump string length limit so linker builds.
878 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
881 host_makefile_frag="config/mh-sysv4"
884 # This is for a MIPS running RISC/os 4.52C.
886 # This is needed for GDB, but needs to be in the top-level make because
887 # if a library is compiled with the bsd headers and gets linked with the
888 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
890 # ptrace(2) apparently has problems in the BSD environment. No workaround is
891 # known except to select the sysv environment. Could we use /proc instead?
892 # These "sysv environments" and "bsd environments" often end up being a pain.
894 # This is not part of CFLAGS because perhaps not all C compilers have this
896 tentative_cc="cc -systype sysv"
901 i[[3456789]]86-*-sysv5*)
902 host_makefile_frag="config/mh-sysv5"
904 i[[3456789]]86-*-dgux*)
905 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
906 host_makefile_frag="config/mh-dgux386"
908 i[[3456789]]86-ncr-sysv4.3*)
909 # The MetaWare compiler will generate a copyright message unless you
910 # turn it off by adding the -Hnocopyr flag.
911 tentative_cc="cc -Hnocopyr"
913 i[[3456789]]86-ncr-sysv4*)
914 # for an NCR 3000 (i486/SVR4) system.
915 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
916 # This compiler not only emits obnoxious copyright messages every time
917 # you run it, but it chokes and dies on a whole bunch of GNU source
918 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
919 tentative_cc="/usr/ccs/ATT/cc"
920 host_makefile_frag="config/mh-ncr3000"
922 i[[3456789]]86-*-sco3.2v5*)
924 i[[3456789]]86-*-sco*)
925 # The native C compiler botches some simple uses of const. Unfortunately,
926 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
927 tentative_cc="cc -Dconst="
928 host_makefile_frag="config/mh-sco"
930 i[[3456789]]86-*-udk*)
931 host_makefile_frag="config/mh-sysv5"
933 i[[3456789]]86-*-solaris2*)
934 host_makefile_frag="config/mh-sysv4"
936 i[[3456789]]86-*-msdosdjgpp*)
937 host_makefile_frag="config/mh-djgpp"
940 host_makefile_frag="config/mh-cygwin"
947 host_makefile_frag="config/mh-interix"
950 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
954 host_makefile_frag="config/mh-solaris"
957 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
958 # without overflowing the jump tables (-J says to use a 32 bit table)
962 tentative_cc="cc -Wp,-H256000"
965 tentative_cc="cc -Wp,-H256000"
968 # /bin/cc is less than useful for our purposes. Always use GCC
969 tentative_cc="/usr/cygnus/progressive/bin/gcc"
970 host_makefile_frag="config/mh-lynxrs6k"
973 host_makefile_frag="config/mh-ppc-darwin"
976 host_makefile_frag="config/mh-ppc-aix"
979 host_makefile_frag="config/mh-ppc-aix"
982 # /bin/cc is less than useful for our purposes. Always use GCC
983 tentative_cc="/bin/gcc"
986 host_makefile_frag="config/mh-sysv4"
988 # This is placed last to prevent interfering with the cases above.
990 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
991 host_makefile_frag="config/mh-x86omitfp"
996 # If we aren't going to be using gcc, see if we can extract a definition
997 # of CC from the fragment.
998 # Actually, use the 'pre-extracted' version above.
999 if test -z "${CC}" && test "${build}" = "${host}" ; then
1000 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1002 for dir in $PATH; do
1003 test -z "$dir" && dir=.
1004 if test -f $dir/gcc; then
1010 if test -z "${found}" && test -n "${tentative_cc}" ; then
1015 if test "${build}" != "${host}" ; then
1016 # If we are doing a Canadian Cross, in which the host and build systems
1017 # are not the same, we set reasonable default values for the tools.
1019 CC=${CC-${host_alias}-gcc}
1020 CFLAGS=${CFLAGS-"-g -O2"}
1021 CXX=${CXX-${host_alias}-c++}
1022 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1023 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1026 # Set reasonable default values for some tools even if not Canadian.
1027 # Of course, these are different reasonable default values, originally
1028 # specified directly in the Makefile.
1029 # We don't export, so that autoconf can do its job.
1030 # Note that all these settings are above the fragment inclusion point
1031 # in Makefile.in, so can still be overridden by fragments.
1032 # This is all going to change when we autoconfiscate...
1034 CC_FOR_BUILD="\$(CC)"
1037 # We must set the default linker to the linker used by gcc for the correct
1038 # operation of libtool. If LD is not defined and we are using gcc, try to
1039 # set the LD default to the ld used by gcc.
1040 if test -z "$LD"; then
1041 if test "$GCC" = yes; then
1044 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1046 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1048 case $gcc_prog_ld in
1049 # Accept absolute paths.
1050 [[\\/]* | [A-Za-z]:[\\/]*)]
1051 LD="$gcc_prog_ld" ;;
1057 CFLAGS=${CFLAGS-"-g"}
1058 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1062 ACX_PROG_CMP_IGNORE_INITIAL
1064 # Check for GMP and MPFR
1065 gmplibs="-lmpfr -lgmp"
1069 # Specify a location for mpfr
1070 # check for this first so it ends up on the link line before gmp.
1071 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH This option has been REMOVED],
1072 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1073 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1075 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify prefix directory for installed MPFR package
1076 Equivalent to --with-mpfr-include=PATH/include
1077 plus --with-mpfr-lib=PATH/lib])
1078 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1079 Specify directory for installed MPFR include files])
1080 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH Specify the directory for the installed MPFR library])
1082 if test "x$with_mpfr" != x; then
1083 gmplibs="-L$with_mpfr/lib $gmplibs"
1084 gmpinc="-I$with_mpfr/include"
1086 if test "x$with_mpfr_include" != x; then
1087 gmpinc="-I$with_mpfr_include"
1089 if test "x$with_mpfr_lib" != x; then
1090 gmplibs="-L$with_mpfr_lib $gmplibs"
1092 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1093 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1094 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1095 # Do not test the mpfr version. Assume that it is sufficient, since
1096 # it is in the source tree, and the library has not been built yet
1097 # but it would be included on the link line in the version check below
1098 # hence making the test fail.
1102 # Specify a location for gmp
1103 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH This option has been REMOVED],
1104 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1105 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1107 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify prefix directory for the installed GMP package
1108 Equivalent to --with-gmp-include=PATH/include
1109 plus --with-gmp-lib=PATH/lib])
1110 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH Specify directory for installed GMP include files])
1111 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH Specify the directory for the installed GMP library])
1114 if test "x$with_gmp" != x; then
1115 gmplibs="-L$with_gmp/lib $gmplibs"
1116 gmpinc="-I$with_gmp/include $gmpinc"
1118 if test "x$with_gmp_include" != x; then
1119 gmpinc="-I$with_gmp_include $gmpinc"
1121 if test "x$with_gmp_lib" != x; then
1122 gmplibs="-L$with_gmp_lib $gmplibs"
1124 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1125 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1126 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1127 # Do not test the gmp version. Assume that it is sufficient, since
1128 # it is in the source tree, and the library has not been built yet
1129 # but it would be included on the link line in the version check below
1130 # hence making the test fail.
1134 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1136 saved_CFLAGS="$CFLAGS"
1137 CFLAGS="$CFLAGS $gmpinc"
1138 # Check GMP actually works
1139 AC_MSG_CHECKING([for correct version of gmp.h])
1140 AC_TRY_COMPILE([#include "gmp.h"],[
1141 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
1144 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1146 if test x"$have_gmp" = xyes; then
1148 LIBS="$LIBS $gmplibs"
1149 dnl MPFR 2.2.0 is acceptable but buggy, MPFR 2.2.1 is better.
1150 AC_MSG_CHECKING([for correct version of mpfr.h])
1151 AC_TRY_LINK([#include <gmp.h>
1152 #include <mpfr.h>],[
1153 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,0)
1156 mpfr_t n; mpfr_init(n);
1157 mpfr_t x; mpfr_init(x);
1159 mpfr_atan2 (n, n, x, GMP_RNDN);
1160 mpfr_erfc (n, x, GMP_RNDN);
1161 mpfr_subnormalize (x, t, GMP_RNDN);
1162 ], [AC_TRY_LINK([#include <gmp.h>
1163 #include <mpfr.h>],[
1164 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
1167 mpfr_t n; mpfr_init(n);
1168 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1169 [AC_MSG_RESULT([no]); have_gmp=no])
1172 CFLAGS="$saved_CFLAGS"
1174 if test x$have_gmp != xyes; then
1175 AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2.1+.
1176 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1177 Copies of these libraries' source code can be found at their respective
1178 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1179 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1180 If you obtained GMP and/or MPFR from a vendor distribution package, make
1181 sure that you have installed both the libraries and the header files.
1182 They may be located in separate packages.])
1186 # Flags needed for both GMP and/or MPFR
1190 # By default, C is the only stage 1 language.
1191 stage1_languages=,c,
1193 # Figure out what language subdirectories are present.
1194 # Look if the user specified --enable-languages="..."; if not, use
1195 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1197 # NB: embedded tabs in this IF block -- do not untabify
1198 if test -d ${srcdir}/gcc; then
1199 if test x"${enable_languages+set}" != xset; then
1200 if test x"${LANGUAGES+set}" = xset; then
1201 enable_languages="${LANGUAGES}"
1202 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1204 enable_languages=all
1207 if test x"${enable_languages}" = x ||
1208 test x"${enable_languages}" = xyes;
1210 echo configure.in: --enable-languages needs at least one language argument 1>&2
1214 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1216 # 'f95' is the old name for the 'fortran' language. We issue a warning
1217 # and make the substitution.
1218 case ,${enable_languages}, in
1220 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1221 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1225 # First scan to see if an enabled language requires some other language.
1226 # We assume that a given config-lang.in will list all the language
1227 # front ends it requires, even if some are required indirectly.
1228 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1229 case ${lang_frag} in
1231 # The odd quoting in the next line works around
1232 # an apparent bug in bash 1.12 on linux.
1233 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1235 # From the config-lang.in, get $language, $lang_requires
1239 for other in ${lang_requires} ; do
1240 case ,${enable_languages}, in
1244 echo " \`$other' language required by \`$language'; enabling" 1>&2
1245 enable_languages="${enable_languages},${other}"
1253 new_enable_languages=,c,
1254 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1255 potential_languages=,c,
1257 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1258 case ${lang_frag} in
1260 # The odd quoting in the next line works around
1261 # an apparent bug in bash 1.12 on linux.
1262 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1264 # From the config-lang.in, get $language, $target_libs,
1265 # $lang_dirs, $boot_language, and $build_by_default
1271 build_by_default=yes
1273 if test x${language} = x; then
1274 echo "${lang_frag} doesn't set \$language." 1>&2
1278 case ,${enable_languages}, in
1280 # Language was explicitly selected; include it.
1284 # 'all' was selected, select it if it is a default language
1285 add_this_lang=${build_by_default}
1292 # Disable languages that need other directories if these aren't available.
1293 for i in $subdir_requires; do
1294 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1295 case ,${enable_languages}, in
1297 # Specifically requested language; tell them.
1298 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1302 add_this_lang=unsupported
1307 # Disable Ada if no preexisting GNAT is available.
1308 case ,${enable_languages},:${language}:${have_gnat} in
1309 *,${language},*:ada:no)
1310 # Specifically requested language; tell them.
1311 AC_MSG_ERROR([GNAT is required to build $language])
1315 add_this_lang=unsupported
1319 # Disable a language that is unsupported by the target.
1320 case " $unsupported_languages " in
1322 add_this_lang=unsupported
1326 case $add_this_lang in
1328 # Remove language-dependent dirs.
1329 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1332 # Remove language-dependent dirs; still show language as supported.
1333 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1334 potential_languages="${potential_languages}${language},"
1337 new_enable_languages="${new_enable_languages}${language},"
1338 potential_languages="${potential_languages}${language},"
1339 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1340 case ${boot_language} in
1342 # Add to (comma-separated) list of stage 1 languages.
1343 stage1_languages="${stage1_languages}${language},"
1352 AC_ARG_ENABLE(stage1-languages,
1353 [ --enable-stage1-languages[=all] choose additional languages to build during
1354 stage1. Mostly useful for compiler development.],
1355 [case ,${enable_stage1_languages}, in
1357 # Set it to something that will have no effect in the loop below
1358 enable_stage1_languages=c ;;
1360 enable_stage1_languages=`echo $new_enable_languages | \
1361 sed -e "s/^,//" -e "s/,$//" ` ;;
1363 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1364 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1367 # Add "good" languages from enable_stage1_languages to stage1_languages,
1368 # while "bad" languages go in missing_languages. Leave no duplicates.
1369 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1370 case $potential_languages in
1372 case $stage1_languages in
1374 *) stage1_languages="$stage1_languages$i," ;;
1377 case $missing_languages in
1379 *) missing_languages="$missing_languages$i," ;;
1384 # Remove leading/trailing commas that were added for simplicity
1385 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1386 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1387 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1388 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1390 if test "x$missing_languages" != x; then
1392 The following requested languages could not be built: ${missing_languages}
1393 Supported languages are: ${potential_languages}])
1395 if test "x$new_enable_languages" != "x$enable_languages"; then
1396 echo The following languages will be built: ${new_enable_languages}
1397 enable_languages="$new_enable_languages"
1400 AC_SUBST(stage1_languages)
1401 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1404 # Handle --disable-<component> generically.
1405 for dir in $configdirs $build_configdirs $target_configdirs ; do
1406 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1407 if eval test x\${enable_${dirname}} "=" xno ; then
1408 noconfigdirs="$noconfigdirs $dir"
1412 # Check for Boehm's garbage collector
1413 AC_ARG_ENABLE(objc-gc,
1414 [ --enable-objc-gc enable the use of Boehm's garbage collector with
1415 the GNU Objective-C runtime.],
1416 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1417 *,objc,*:*:yes:*target-boehm-gc*)
1418 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1422 # Make sure we only build Boehm's garbage collector if required.
1423 case ,${enable_languages},:${enable_objc_gc} in
1425 # Keep target-boehm-gc if requested for Objective-C.
1428 # Otherwise remove target-boehm-gc depending on target-libjava.
1429 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1430 noconfigdirs="$noconfigdirs target-boehm-gc"
1435 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1436 # $build_configdirs and $target_configdirs.
1437 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1440 for dir in . $skipdirs $noconfigdirs ; do
1441 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1442 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1443 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1444 if test -r $srcdir/$dirname/configure ; then
1445 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1448 notsupp="$notsupp $dir"
1452 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1453 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1454 if test -r $srcdir/$dirname/configure ; then
1455 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1458 notsupp="$notsupp $dir"
1462 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1463 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1464 if test -r $srcdir/$dirname/configure ; then
1465 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1468 notsupp="$notsupp $dir"
1474 # Sometimes the tools are distributed with libiberty but with no other
1475 # libraries. In that case, we don't want to build target-libiberty.
1476 # Don't let libgcc imply libiberty either.
1477 if test -n "${target_configdirs}" ; then
1480 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1481 if test "$i" = "libgcc"; then
1482 libgcc=target-libgcc
1483 elif test "$i" != "libiberty" ; then
1484 if test -r $srcdir/$i/configure ; then
1490 if test -z "${others}" ; then
1491 target_configdirs=$libgcc
1495 # Quietly strip out all directories which aren't configurable in this tree.
1496 # This relies on all configurable subdirectories being autoconfiscated, which
1498 build_configdirs_all="$build_configdirs"
1500 for i in ${build_configdirs_all} ; do
1501 j=`echo $i | sed -e s/build-//g`
1502 if test -f ${srcdir}/$j/configure ; then
1503 build_configdirs="${build_configdirs} $i"
1507 configdirs_all="$configdirs"
1509 for i in ${configdirs_all} ; do
1510 if test -f ${srcdir}/$i/configure ; then
1511 configdirs="${configdirs} $i"
1515 target_configdirs_all="$target_configdirs"
1517 for i in ${target_configdirs_all} ; do
1518 j=`echo $i | sed -e s/target-//g`
1519 if test -f ${srcdir}/$j/configure ; then
1520 target_configdirs="${target_configdirs} $i"
1524 # Produce a warning message for the subdirs we can't configure.
1525 # This isn't especially interesting in the Cygnus tree, but in the individual
1526 # FSF releases, it's important to let people know when their machine isn't
1527 # supported by the one or two programs in a package.
1529 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1530 # If $appdirs is non-empty, at least one of those directories must still
1531 # be configured, or we error out. (E.g., if the gas release supports a
1532 # specified target in some subdirs but not the gas subdir, we shouldn't
1533 # pretend that all is well.)
1534 if test -n "$appdirs" ; then
1535 for dir in $appdirs ; do
1536 if test -r $dir/Makefile.in ; then
1537 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1541 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1547 if test -n "$appdirs" ; then
1548 echo "*** This configuration is not supported by this package." 1>&2
1552 # Okay, some application will build, or we don't care to check. Still
1553 # notify of subdirs not getting built.
1554 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1555 echo " ${notsupp}" 1>&2
1556 echo " (Any other directories should still work fine.)" 1>&2
1566 AC_ARG_WITH([build-sysroot],
1567 [ --with-build-sysroot=sysroot
1568 use sysroot as the system root during the build],
1569 [if test x"$withval" != x ; then
1570 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1572 [SYSROOT_CFLAGS_FOR_TARGET=])
1573 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1575 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1576 # the named directory are copied to $(tooldir)/sys-include.
1577 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1578 if test x${is_cross_compiler} = xno ; then
1579 echo 1>&2 '***' --with-headers is only supported when cross compiling
1582 if test x"${with_headers}" != xyes ; then
1583 case "${exec_prefixoption}" in
1585 *) x=${exec_prefix} ;;
1587 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1591 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1592 # the name directories are copied to $(tooldir)/lib. Multiple directories
1594 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1595 if test x${is_cross_compiler} = xno ; then
1596 echo 1>&2 '***' --with-libs is only supported when cross compiling
1599 if test x"${with_libs}" != xyes ; then
1600 # Copy the libraries in reverse order, so that files in the first named
1601 # library override files in subsequent libraries.
1602 case "${exec_prefixoption}" in
1604 *) x=${exec_prefix} ;;
1606 for l in ${with_libs}; do
1607 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1612 # Set with_gnu_as and with_gnu_ld as appropriate.
1614 # This is done by determining whether or not the appropriate directory
1615 # is available, and by checking whether or not specific configurations
1616 # have requested that this magic not happen.
1618 # The command line options always override the explicit settings in
1619 # configure.in, and the settings in configure.in override this magic.
1621 # If the default for a toolchain is to use GNU as and ld, and you don't
1622 # want to do that, then you should use the --without-gnu-as and
1623 # --without-gnu-ld options for the configure script.
1625 if test x${use_gnu_as} = x &&
1626 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1628 extra_host_args="$extra_host_args --with-gnu-as"
1631 if test x${use_gnu_ld} = x &&
1632 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1634 extra_host_args="$extra_host_args --with-gnu-ld"
1637 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1638 # can detect this case.
1640 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1642 extra_host_args="$extra_host_args --with-newlib"
1645 # Handle ${copy_dirs}
1646 set fnord ${copy_dirs}
1648 while test $# != 0 ; do
1649 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1652 echo Copying $1 to $2
1654 # Use the install script to create the directory and all required
1655 # parent directories.
1656 if test -d $2 ; then
1660 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1663 # Copy the directory, assuming we have tar.
1664 # FIXME: Should we use B in the second tar? Not all systems support it.
1665 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1667 # It is the responsibility of the user to correctly adjust all
1668 # symlinks. If somebody can figure out how to handle them correctly
1669 # here, feel free to add the code.
1676 # Determine a target-dependent exec_prefix that the installed
1677 # gcc will search in. Keep this list sorted by triplet, with
1678 # the *-*-osname triplets last.
1682 md_exec_prefix=/gnu/lib/gcc-lib
1684 i[34567]86-pc-msdosdjgpp*)
1685 md_exec_prefix=/dev/env/DJDIR/bin
1687 i[34567]86-*-sco3.2v5*)
1688 if test $with_gnu_as = yes; then
1689 md_exec_prefix=/usr/gnu/bin
1691 md_exec_prefix=/usr/ccs/bin/elf
1696 powerpc-*-chorusos* | \
1697 powerpc*-*-eabi* | \
1698 powerpc*-*-sysv* | \
1699 powerpc*-*-kaos* | \
1701 md_exec_prefix=/usr/ccs/bin
1706 md_exec_prefix=/usr/ccs/bin
1721 md_exec_prefix=/usr/ccs/bin
1725 extra_arflags_for_target=
1726 extra_nmflags_for_target=
1727 extra_ranlibflags_for_target=
1728 target_makefile_frag=/dev/null
1731 target_makefile_frag="config/mt-mep"
1734 target_makefile_frag="config/mt-spu"
1737 target_makefile_frag="config/mt-netware"
1739 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1740 target_makefile_frag="config/mt-gnu"
1742 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1743 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1744 # commands to handle both 32-bit and 64-bit objects. These flags are
1745 # harmless if we're using GNU nm or ar.
1746 extra_arflags_for_target=" -X32_64"
1747 extra_nmflags_for_target=" -B -X32_64"
1750 # ranlib from Darwin requires the -c flag to look at common symbols.
1751 extra_ranlibflags_for_target=" -c"
1753 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1754 target_makefile_frag="config/mt-wince"
1758 alphaieee_frag=/dev/null
1761 # This just makes sure to use the -mieee option to build target libs.
1762 # This should probably be set individually by each library.
1763 alphaieee_frag="config/mt-alphaieee"
1767 # If --enable-target-optspace always use -Os instead of -O2 to build
1768 # the target libraries, similarly if it is not specified, use -Os
1769 # on selected platforms.
1770 ospace_frag=/dev/null
1771 case "${enable_target_optspace}:${target}" in
1773 ospace_frag="config/mt-ospace"
1776 ospace_frag="config/mt-d30v"
1778 :m32r-* | :d10v-* | :fr30-*)
1779 ospace_frag="config/mt-ospace"
1784 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1788 # Default to using --with-stabs for certain targets.
1789 if test x${with_stabs} = x ; then
1791 mips*-*-irix[[56]]*)
1793 mips*-*-* | alpha*-*-osf*)
1795 extra_host_args="${extra_host_args} --with-stabs"
1800 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1801 # them automatically.
1804 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1808 # Some systems (e.g., one of the i386-aix systems the gas testers are
1809 # using) don't handle "\$" correctly, so don't use it here.
1810 tooldir='${exec_prefix}'/${target_alias}
1811 build_tooldir=${tooldir}
1813 # Create a .gdbinit file which runs the one in srcdir
1814 # and tells GDB to look there for source files.
1816 if test -r ${srcdir}/.gdbinit ; then
1819 *) cat > ./.gdbinit <<EOF
1823 source ${srcdir}/.gdbinit
1829 # Make sure that the compiler is able to generate an executable. If it
1830 # can't, we are probably in trouble. We don't care whether we can run the
1831 # executable--we might be using a cross compiler--we only care whether it
1832 # can be created. At this point the main configure script has set CC.
1834 echo "int main () { return 0; }" > conftest.c
1835 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1836 if test $? = 0 ; then
1837 if test -s conftest || test -s conftest.exe ; then
1843 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1844 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1851 # The Solaris /usr/ucb/cc compiler does not appear to work.
1853 sparc-sun-solaris2*)
1854 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1855 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1857 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1858 if test -d /opt/cygnus/bin ; then
1859 if test "$could_use" = "" ; then
1860 could_use="/opt/cygnus/bin"
1862 could_use="$could_use or /opt/cygnus/bin"
1865 if test "$could_use" = "" ; then
1866 echo "Warning: compilation may fail because you're using"
1867 echo "/usr/ucb/cc. You should change your PATH or CC "
1868 echo "variable and rerun configure."
1870 echo "Warning: compilation may fail because you're using"
1871 echo "/usr/ucb/cc, when you should use the C compiler from"
1872 echo "$could_use. You should change your"
1873 echo "PATH or CC variable and rerun configure."
1880 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1881 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1882 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1885 # Record target_configdirs and the configure arguments for target and
1886 # build configuration in Makefile.
1887 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1888 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1890 # Determine whether gdb needs tk/tcl or not.
1891 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1892 # and in that case we want gdb to be built without tk. Ugh!
1893 # In fact I believe gdb is the *only* package directly dependent on tk,
1894 # so we should be able to put the 'maybe's in unconditionally and
1895 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1896 # 100% sure that that's safe though.
1898 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1899 case "$enable_gdbtk" in
1903 GDB_TK="${gdb_tk}" ;;
1905 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1906 # distro. Eventually someone will fix this and move Insight, nee
1907 # gdbtk to a separate directory.
1908 if test -d ${srcdir}/gdb/gdbtk ; then
1915 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1916 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1918 # Strip out unwanted targets.
1920 # While at that, we remove Makefiles if we were started for recursive
1921 # configuration, so that the top-level Makefile reconfigures them,
1922 # like we used to do when configure itself was recursive.
1924 # Loop over modules. $extrasub must be used with care, limiting as
1925 # much as possible the usage of range addresses. That's because autoconf
1926 # splits the sed script to overcome limits in the number of commands,
1927 # and relying on carefully-timed sed passes may turn out to be very hard
1928 # to maintain later. In this particular case, you just have to be careful
1929 # not to nest @if/@endif pairs, because configure will not warn you at all.
1931 AC_ARG_ENABLE([bootstrap],
1932 [ --enable-bootstrap Enable bootstrapping [yes if native build]],,
1933 enable_bootstrap=default)
1935 # Issue errors and warnings for invalid/strange bootstrap combinations.
1936 case "$configdirs" in
1937 *gcc*) have_compiler=yes ;;
1938 *) have_compiler=no ;;
1941 case "$have_compiler:$host:$target:$enable_bootstrap" in
1944 # Default behavior. Enable bootstrap if we have a compiler
1945 # and we are in a native configuration.
1946 yes:$build:$build:default)
1947 enable_bootstrap=yes ;;
1950 enable_bootstrap=no ;;
1952 # We have a compiler and we are in a native configuration, bootstrap is ok
1953 yes:$build:$build:yes)
1956 # Other configurations, but we have a compiler. Assume the user knows
1959 AC_MSG_WARN([trying to bootstrap a cross compiler])
1962 # No compiler: if they passed --enable-bootstrap explicitly, fail
1964 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1966 # Fail if wrong command line
1968 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1972 # Adjust the toplevel makefile according to whether bootstrap was selected.
1973 case "$enable_bootstrap" in
1975 bootstrap_suffix=bootstrap ;;
1977 bootstrap_suffix=no-bootstrap ;;
1980 for module in ${build_configdirs} ; do
1981 if test -z "${no_recursion}" \
1982 && test -f ${build_subdir}/${module}/Makefile; then
1983 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1984 rm -f ${build_subdir}/${module}/Makefile
1987 /^@if build-$module\$/d
1988 /^@endif build-$module\$/d
1989 /^@if build-$module-$bootstrap_suffix\$/d
1990 /^@endif build-$module-$bootstrap_suffix\$/d"
1992 for module in ${configdirs} ; do
1993 if test -z "${no_recursion}"; then
1994 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
1995 if test -f ${file}; then
1996 echo 1>&2 "*** removing ${file} to force reconfigure"
2003 /^@endif $module\$/d
2004 /^@if $module-$bootstrap_suffix\$/d
2005 /^@endif $module-$bootstrap_suffix\$/d"
2007 for module in ${target_configdirs} ; do
2008 if test -z "${no_recursion}" \
2009 && test -f ${target_subdir}/${module}/Makefile; then
2010 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2011 rm -f ${target_subdir}/${module}/Makefile
2014 /^@if target-$module\$/d
2015 /^@endif target-$module\$/d
2016 /^@if target-$module-$bootstrap_suffix\$/d
2017 /^@endif target-$module-$bootstrap_suffix\$/d"
2021 /^@if /,/^@endif /d"
2023 # Create the serialization dependencies. This uses a temporary file.
2025 AC_ARG_ENABLE([serial-configure],
2026 [ --enable-serial-[{host,target,build}-]configure
2027 Force sequential configuration of
2028 sub-packages for the host, target or build
2029 machine, or all sub-packages])
2031 case ${enable_serial_configure} in
2033 enable_serial_build_configure=yes
2034 enable_serial_host_configure=yes
2035 enable_serial_target_configure=yes
2039 # These force 'configure's to be done one at a time, to avoid problems
2040 # with contention over a shared config.cache.
2042 echo '# serdep.tmp' > serdep.tmp
2044 test "x${enable_serial_build_configure}" = xyes &&
2045 for item in ${build_configdirs} ; do
2048 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2053 test "x${enable_serial_host_configure}" = xyes &&
2054 for item in ${configdirs} ; do
2057 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2062 test "x${enable_serial_target_configure}" = xyes &&
2063 for item in ${target_configdirs} ; do
2066 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2070 serialization_dependencies=serdep.tmp
2071 AC_SUBST_FILE(serialization_dependencies)
2073 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2074 # target and nonopt. These are the ones we might not want to pass
2075 # down to subconfigures. Also strip program-prefix, program-suffix,
2076 # and program-transform-name, so that we can pass down a consistent
2077 # program-transform-name. If autoconf has put single quotes around
2078 # any of these arguments (because they contain shell metacharacters)
2079 # then this will fail; in practice this only happens for
2080 # --program-transform-name, so be sure to override --program-transform-name
2081 # at the end of the argument list.
2082 # These will be expanded by make, so quote '$'.
2083 cat <<\EOF_SED > conftestsed
2085 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
2086 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
2087 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
2088 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
2089 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
2090 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
2091 s/ -cache-file[[= ]][[^ ]]*//g
2092 s/ -srcdir[[= ]][[^ ]]*//g
2093 s/ -host[[= ]][[^ ]]*//g
2094 s/ -build[[= ]][[^ ]]*//g
2095 s/ -target[[= ]][[^ ]]*//g
2096 s/ -program-prefix[[= ]][[^ ]]*//g
2097 s/ -program-suffix[[= ]][[^ ]]*//g
2098 s/ -program-transform-name[[= ]][[^ ]]*//g
2099 s/ [[^' -][^ ]*] / /
2103 sed -f conftestsed <<EOF_SED > conftestsed.out
2104 ${ac_configure_args}
2106 baseargs=`cat conftestsed.out`
2107 rm -f conftestsed conftestsed.out
2109 # Add in --program-transform-name, after --program-prefix and
2110 # --program-suffix have been applied to it. Autoconf has already
2111 # doubled dollar signs and backslashes in program_transform_name; we want
2112 # the backslashes un-doubled, and then the entire thing wrapped in single
2113 # quotes, because this will be expanded first by make and then by the shell.
2114 # Also, because we want to override the logic in subdir configure scripts to
2115 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2116 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2117 ${program_transform_name}
2119 gcc_transform_name=`cat conftestsed.out`
2120 rm -f conftestsed.out
2121 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2123 # For the build-side libraries, we just need to pretend we're native,
2124 # and not use the same cache file. Multilibs are neither needed nor
2126 build_configargs="--cache-file=../config.cache ${baseargs}"
2128 # For host modules, accept cache file option, or specification as blank.
2129 case "${cache_file}" in
2131 cache_file_option="" ;;
2132 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2133 cache_file_option="--cache-file=${cache_file}" ;;
2135 cache_file_option="--cache-file=../${cache_file}" ;;
2138 # Host dirs don't like to share a cache file either, horribly enough.
2139 # This seems to be due to autoconf 2.5x stupidity.
2140 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2142 target_configargs=${baseargs}
2144 # Passing a --with-cross-host argument lets the target libraries know
2145 # whether they are being built with a cross-compiler or being built
2146 # native. However, it would be better to use other mechanisms to make the
2147 # sorts of decisions they want to make on this basis. Please consider
2148 # this option to be deprecated. FIXME.
2149 if test x${is_cross_compiler} = xyes ; then
2150 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
2153 # Default to --enable-multilib.
2154 if test x${enable_multilib} = x ; then
2155 target_configargs="--enable-multilib ${target_configargs}"
2158 # Pass --with-newlib if appropriate. Note that target_configdirs has
2159 # changed from the earlier setting of with_newlib.
2160 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2161 target_configargs="--with-newlib ${target_configargs}"
2164 # Different target subdirs use different values of certain variables
2165 # (notably CXX). Worse, multilibs use *lots* of different values.
2166 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2167 # it doesn't automatically accept command-line overrides of them.
2168 # This means it's not safe for target subdirs to share a cache file,
2169 # which is disgusting, but there you have it. Hopefully this can be
2170 # fixed in future. It's still worthwhile to use a cache file for each
2171 # directory. I think.
2173 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2174 # We need to pass --target, as newer autoconf's requires consistency
2175 # for target_alias and gcc doesn't manage it consistently.
2176 target_configargs="--cache-file=./config.cache ${target_configargs}"
2179 case " $target_configdirs " in
2181 case " $target_configargs " in
2182 *" --with-newlib "*)
2185 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 $$s/winsup/w32api/include' ;;
2188 # If we're not building GCC, don't discard standard headers.
2189 if test -d ${srcdir}/gcc; then
2190 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2192 if test "${build}" != "${host}"; then
2193 # On Canadian crosses, CC_FOR_TARGET will have already been set
2194 # by `configure', so we won't have an opportunity to add -Bgcc/
2195 # to it. This is right: we don't want to search that directory
2196 # for binaries, but we want the header files in there, so add
2198 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2200 # Someone might think of using the pre-installed headers on
2201 # Canadian crosses, in case the installed compiler is not fully
2202 # compatible with the compiler being built. In this case, it
2203 # would be better to flag an error than risking having
2204 # incompatible object files being constructed. We can't
2205 # guarantee that an error will be flagged, but let's hope the
2206 # compiler will do it, when presented with incompatible header
2211 case "${target}-${is_cross_compiler}" in
2212 i[[3456789]]86-*-linux*-no)
2213 # Here host == target, so we don't need to build gcc,
2214 # so we don't want to discard standard headers.
2215 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2218 # If we're building newlib, use its generic headers last, but search
2219 # for any libc-related directories first (so make it the last -B
2221 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2230 # Can't be handled as Cygwin above since Mingw does not use newlib.
2231 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
2234 # Allow the user to override the flags for
2235 # our build compiler if desired.
2236 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2238 # On Canadian crosses, we'll be searching the right directories for
2239 # the previously-installed cross compiler, so don't bother to add
2240 # flags for directories within the install tree of the compiler
2241 # being built; programs in there won't even run.
2242 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2243 # Search for pre-installed headers if nothing else fits.
2244 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2247 if test "x${use_gnu_ld}" = x &&
2248 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2249 # Arrange for us to find uninstalled linker scripts.
2250 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2253 # Search for other target-specific linker scripts and such.
2256 if test -d ${srcdir}/libgloss/m32c; then
2257 # This is for crt0.o
2258 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2259 # This is for r8c.ld
2260 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2261 # This is for libnosys.a
2262 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2269 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2273 # Makefile fragments.
2274 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2276 eval fragval=\$$frag
2277 if test $fragval != /dev/null; then
2278 eval $frag=${srcdir}/$fragval
2281 AC_SUBST_FILE(host_makefile_frag)
2282 AC_SUBST_FILE(target_makefile_frag)
2283 AC_SUBST_FILE(alphaieee_frag)
2284 AC_SUBST_FILE(ospace_frag)
2286 # Miscellanea: directories, flags, etc.
2287 AC_SUBST(RPATH_ENVVAR)
2289 AC_SUBST(build_tooldir)
2290 AC_SUBST(CONFIGURE_GDB_TK)
2292 AC_SUBST(INSTALL_GDB_TK)
2294 # Build module lists & subconfigure args.
2295 AC_SUBST(build_configargs)
2296 AC_SUBST(build_configdirs)
2298 # Host module lists & subconfigure args.
2299 AC_SUBST(host_configargs)
2300 AC_SUBST(configdirs)
2302 # Target module lists & subconfigure args.
2303 AC_SUBST(target_configargs)
2307 AC_SUBST(CC_FOR_BUILD)
2308 AC_SUBST(config_shell)
2310 # Generate default definitions for YACC, M4, LEX and other programs that run
2311 # on the build machine. These are used if the Makefile can't locate these
2312 # programs in objdir.
2313 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2315 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2316 case " $build_configdirs " in
2317 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2318 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2321 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2322 case " $build_configdirs " in
2323 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2326 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2327 case " $build_configdirs " in
2328 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2331 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2332 case " $build_configdirs " in
2333 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2334 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2337 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2338 case " $build_configdirs " in
2339 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2342 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2343 case " $build_configdirs " in
2344 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2347 # For an installed makeinfo, we require it to be from texinfo 4.4 or
2348 # higher, else we use the "missing" dummy.
2349 if ${MAKEINFO} --version \
2350 | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
2353 MAKEINFO="$MISSING makeinfo"
2359 # FIXME: expect and dejagnu may become build tools?
2361 AC_CHECK_PROGS(EXPECT, expect, expect)
2362 case " $configdirs " in
2364 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2368 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2369 case " $configdirs " in
2371 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2377 NCN_STRICT_CHECK_TOOLS(AR, ar)
2378 NCN_STRICT_CHECK_TOOLS(AS, as)
2379 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2380 NCN_STRICT_CHECK_TOOLS(LD, ld)
2381 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2382 NCN_STRICT_CHECK_TOOLS(NM, nm)
2383 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2384 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2385 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2386 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2387 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2391 AC_SUBST(CFLAGS_FOR_BUILD)
2395 AC_ARG_WITH([build-time-tools],
2396 [ --with-build-time-tools=path
2397 use given path to find target tools during the build],
2398 [case x"$withval" in
2401 with_build_time_tools=
2402 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2405 [with_build_time_tools=])
2407 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2408 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2409 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2410 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2411 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2413 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2414 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2415 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2416 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2417 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2418 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2419 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2420 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2421 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2422 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2424 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2426 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2427 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2428 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2429 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2430 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2432 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2433 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2435 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2436 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2437 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2438 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2439 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2440 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2441 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2442 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2443 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2444 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2445 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2446 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2447 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2449 AC_SUBST(FLAGS_FOR_TARGET)
2450 AC_SUBST(RAW_CXX_FOR_TARGET)
2452 # Certain tools may need extra flags.
2453 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2454 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2455 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2457 # When building target libraries, except in a Canadian cross, we use
2458 # the same toolchain as the compiler we just built.
2459 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2460 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2461 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2462 if test $host = $build; then
2463 case " $configdirs " in
2465 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2466 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2467 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2472 AC_SUBST(COMPILER_AS_FOR_TARGET)
2473 AC_SUBST(COMPILER_LD_FOR_TARGET)
2474 AC_SUBST(COMPILER_NM_FOR_TARGET)
2476 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2477 AC_ARG_ENABLE(maintainer-mode,
2478 [ --enable-maintainer-mode enable make rules and dependencies not useful
2479 (and sometimes confusing) to the casual installer],
2480 USE_MAINTAINER_MODE=$enableval,
2481 USE_MAINTAINER_MODE=no)
2482 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2483 AC_SUBST(MAINTAINER_MODE_TRUE)
2484 AC_SUBST(MAINTAINER_MODE_FALSE)
2485 if test "$USE_MAINTAINER_MODE" = yes; then
2486 MAINTAINER_MODE_TRUE=
2487 MAINTAINER_MODE_FALSE='#'
2489 MAINTAINER_MODE_TRUE='#'
2490 MAINTAINER_MODE_FALSE=
2492 MAINT=$MAINTAINER_MODE_TRUE
2495 # ---------------------
2496 # GCC bootstrap support
2497 # ---------------------
2499 # Stage specific cflags for build.
2504 yes) stage1_cflags="-g -Wa,-J" ;;
2505 *) stage1_cflags="-g -J" ;;
2509 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
2510 if test "$GCC" = yes; then
2511 saved_CFLAGS="$CFLAGS"
2513 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
2514 CFLAGS="$CFLAGS -fkeep-inline-functions"
2515 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2517 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
2518 [AC_MSG_RESULT([no])])
2520 CFLAGS="$saved_CFLAGS"
2523 AC_SUBST(stage1_cflags)
2525 # Enable --enable-checking in stage1 of the compiler.
2526 AC_ARG_ENABLE(stage1-checking,
2527 [ --enable-stage1-checking[=all] choose additional checking for stage1
2529 [stage1_checking=--enable-checking=${enable_stage1_checking}],
2530 [if test "x$enable_checking" = xno; then
2531 stage1_checking=--enable-checking
2533 stage1_checking=--enable-checking${enable_checking+=}$enable_checking
2535 AC_SUBST(stage1_checking)
2537 # Enable -Werror in bootstrap stage2 and later.
2538 AC_ARG_ENABLE(werror,
2539 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2540 [if test -d gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
2545 case ${enable_werror} in
2546 yes) stage2_werror_flag="--enable-werror-always" ;;
2547 *) stage2_werror_flag="" ;;
2549 AC_SUBST(stage2_werror_flag)
2551 # Flags needed to enable html installing and building
2552 AC_ARG_WITH(datarootdir,
2553 [ --with-datarootdir Use datarootdir as the data root directory.],
2554 [datarootdir="\${prefix}/${withval}"],
2555 [datarootdir="\${prefix}/share"])
2558 [ --with-docdir Install documentation in this directory.],
2559 [docdir="\${prefix}/${withval}"],
2560 [docdir="\${datarootdir}/doc"])
2562 AC_ARG_WITH(htmldir,
2563 [ --with-htmldir Install html in this directory.],
2564 [htmldir="\${prefix}/${withval}"],
2565 [htmldir="\${docdir}"])
2567 AC_SUBST(datarootdir)