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"
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 \
142 # these libraries are built for the target environment, and are built after
143 # the host libraries and the host tools (which may be a cross compiler)
145 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 gprof 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"
281 i[[3456789]]86-*-mingw32*)
282 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
283 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
285 i[[3456789]]86-*-beos*)
286 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
289 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
292 noconfigdirs="$noconfigdirs rcs"
295 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
298 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
303 AC_ARG_ENABLE(libada,
304 [ --enable-libada Builds libada directory],
305 ENABLE_LIBADA=$enableval,
307 if test "${ENABLE_LIBADA}" != "yes" ; then
308 noconfigdirs="$noconfigdirs gnattools"
311 AC_ARG_ENABLE(libssp,
312 [ --enable-libssp Builds libssp directory],
313 ENABLE_LIBSSP=$enableval,
316 # Set the default so we build libgcc-math for ix86 and x86_64
317 AC_ARG_ENABLE(libgcc-math,
318 [ --enable-libgcc-math Builds libgcc-math directory],,
322 enable_libgcc_math=yes ;;
324 enable_libgcc_math=no ;;
328 # Save it here so that, even in case of --enable-libgcj, if the Java
329 # front-end isn't enabled, we still get libgcj disabled.
331 case $enable_libgcj in
333 # If we reset it here, it won't get added to noconfigdirs in the
334 # target-specific build rules, so it will be forcibly enabled
335 # (unless the Java language itself isn't enabled).
339 # Make sure we get it printed in the list of not supported target libs.
340 noconfigdirs="$noconfigdirs ${libgcj}"
345 # Disable libmudflap on some systems.
346 if test x$enable_libmudflap = x ; then
348 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
349 # Enable libmudflap by default in GNU and friends.
352 # Enable libmudflap by default in FreeBSD.
355 # Disable it by default everywhere else.
356 noconfigdirs="$noconfigdirs target-libmudflap"
361 # Disable libgomp on non POSIX hosted systems.
362 if test x$enable_libgomp = x ; then
363 # Enable libgomp by default on hosted POSIX systems.
365 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
367 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
369 *-*-solaris2* | *-*-sysv4* | *-*-irix* | *-*-osf* | *-*-hpux*)
371 *-*-darwin* | *-*-aix*)
374 noconfigdirs="$noconfigdirs target-libgomp"
382 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
385 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
386 noconfigdirs="$noconfigdirs sim target-rda"
389 noconfigdirs="$noconfigdirs ld gas gdb gprof"
390 noconfigdirs="$noconfigdirs sim target-rda"
391 noconfigdirs="$noconfigdirs ${libgcj}"
393 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
394 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
397 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
398 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
399 && test -f /usr/local/include/gmp.h; then
403 # Skip some stuff that's unsupported on some FreeBSD configurations.
408 noconfigdirs="$noconfigdirs ${libgcj}"
413 # Remove unsupported stuff on all kaOS configurations.
414 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
415 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
416 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
417 noconfigdirs="$noconfigdirs target-libgloss"
420 # Skip some stuff on all NetBSD configurations.
421 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
423 # Skip some stuff that's unsupported on some NetBSD configurations.
425 i*86-*-netbsdelf*) ;;
426 arm*-*-netbsdelf*) ;;
428 noconfigdirs="$noconfigdirs ${libgcj}"
433 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
436 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
438 # The tpf target doesn't support gdb yet.
440 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
443 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
446 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
449 noconfigdirs="$noconfigdirs target-libstdc++-v3"
452 # ld works, but does not support shared libraries.
453 # newlib is not 64 bit ready. I'm not sure about fileutils.
454 # gas doesn't generate exception information.
455 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
458 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
461 # newlib is not 64 bit ready
462 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
465 # newlib is not 64 bit ready
466 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
469 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
472 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
474 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
475 noconfigdirs="$noconfigdirs ${libgcj}"
476 noconfigdirs="$noconfigdirs target-examples"
477 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
478 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
479 noconfigdirs="$noconfigdirs expect dejagnu"
480 # the C++ libraries don't build on top of CE's C libraries
481 noconfigdirs="$noconfigdirs target-libstdc++-v3"
482 noconfigdirs="$noconfigdirs target-newlib"
484 *-*-cygwin*) ;; # keep gdb and readline
485 *) noconfigdirs="$noconfigdirs gdb readline"
490 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
494 arm-*-coff | strongarm-*-coff | xscale-*-coff)
495 noconfigdirs="$noconfigdirs ${libgcj}"
497 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
498 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
500 arm*-*-linux-gnueabi)
501 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
502 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
505 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
508 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
511 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
514 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
517 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
520 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
523 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
526 noconfigdirs="$noconfigdirs target-libgloss gdb"
527 if test x${is_cross_compiler} != xno ; then
528 target_configdirs="${target_configdirs} target-bsp target-cygmon"
532 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
534 c54x*-*-* | tic54x-*-*)
535 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
537 cris-*-* | crisv32-*-*)
538 unsupported_languages="$unsupported_languages java"
541 unsupported_languages="$unsupported_languages fortran"
542 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
544 unsupported_languages="$unsupported_languages fortran"
545 noconfigdirs="$noconfigdirs target-boehm-gc";;
547 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
549 unsupported_languages="$unsupported_languages fortran"
550 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
554 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
557 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
560 noconfigdirs="$noconfigdirs ${libgcj} gdb"
563 noconfigdirs="$noconfigdirs ${libgcj} gdb"
566 noconfigdirs="$noconfigdirs ${libgcj}"
569 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
572 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
574 hppa1.1-*-osf* | hppa1.1-*-bsd* )
576 hppa*64*-*-linux* | parisc*64*-*-linux*)
577 # In this case, it's because the hppa64-linux target is for
578 # the kernel only at this point and has no libc, and thus no
579 # headers, crt*.o, etc., all of which are needed by these.
580 noconfigdirs="$noconfigdirs target-zlib"
582 parisc*-*-linux* | hppa*-*-linux*)
588 noconfigdirs="$noconfigdirs ${libgcj}"
591 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
592 # build on HP-UX 10.20.
593 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
596 noconfigdirs="$noconfigdirs ${libgcj} gdb"
599 # No gdb support yet.
600 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
603 # No gdb or ld support yet.
604 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
608 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
609 noconfigdirs="$noconfigdirs ${libgcj}"
611 i[[3456789]]86-*-linux*)
612 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
613 # not build java stuff by default.
616 noconfigdirs="$noconfigdirs ${libgcj}";;
619 # This section makes it possible to build newlib natively on linux.
620 # If we are using a cross compiler then don't configure newlib.
621 if test x${is_cross_compiler} != xno ; then
622 noconfigdirs="$noconfigdirs target-newlib"
624 noconfigdirs="$noconfigdirs target-libgloss"
625 # If we are not using a cross compiler, do configure newlib.
626 # Note however, that newlib will only be configured in this situation
627 # if the --with-newlib option has been given, because otherwise
628 # 'target-newlib' will appear in skipdirs.
630 i[[3456789]]86-*-mingw32*)
631 target_configdirs="$target_configdirs target-mingw"
632 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
634 # Can't build gdb for mingw32 if not native.
636 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
637 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
642 target_configdirs="$target_configdirs target-libtermcap target-winsup"
643 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
644 # always build newlib if winsup directory is present.
645 if test -d "$srcdir/winsup"; then
646 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
647 elif test -d "$srcdir/newlib"; then
648 echo "Warning: winsup is missing so newlib can't be built."
651 # Can't build gdb for Cygwin if not native.
653 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
654 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
658 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
659 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
662 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
664 i[[3456789]]86-*-sco3.2v5*)
665 # The linker does not yet know about weak symbols in COFF,
666 # and is not configured to handle mixed ELF and COFF.
667 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
669 i[[3456789]]86-*-sco*)
670 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
672 i[[3456789]]86-*-solaris2*)
673 noconfigdirs="$noconfigdirs target-libgloss"
675 i[[3456789]]86-*-sysv4*)
676 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
678 i[[3456789]]86-*-beos*)
679 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
681 i[[3456789]]86-*-rdos*)
682 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
685 noconfigdirs="$noconfigdirs ${libgcj}"
687 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
688 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
691 noconfigdirs="$noconfigdirs ${libgcj}"
694 noconfigdirs="$noconfigdirs ${libgcj}"
697 # The EPOC C++ environment does not support exceptions or rtti,
698 # and so building libstdc++-v3 tends not to always work.
699 noconfigdirs="$noconfigdirs target-libstdc++-v3"
702 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
703 unsupported_languages="$unsupported_languages fortran java"
706 noconfigdirs="$noconfigdirs ${libgcj}"
709 noconfigdirs="$noconfigdirs ${libgcj}"
712 noconfigdirs="$noconfigdirs sim"
715 # copied from rs6000-*-* entry
716 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
718 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
719 target_configdirs="$target_configdirs target-winsup"
720 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
721 # always build newlib.
722 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
724 # This is temporary until we can link against shared libraries
725 powerpcle-*-solaris*)
726 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
729 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
732 noconfigdirs="$noconfigdirs ${libgcj}"
734 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
737 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
740 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
743 noconfigdirs="$noconfigdirs gprof ${libgcj}"
746 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
749 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
752 # Linking libjava exceeds command-line length limits on at least
753 # IRIX 6.2, but not on IRIX 6.5.
754 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
755 # <oldham@codesourcery.com>
756 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
759 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
762 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
765 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
768 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
771 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
774 noconfigdirs="$noconfigdirs gprof ${libgcj}"
777 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
781 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
782 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
783 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
784 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
786 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
789 noconfigdirs="$noconfigdirs ${libgcj}"
792 noconfigdirs="$noconfigdirs ${libgcj}"
795 noconfigdirs="$noconfigdirs ${libgcj}"
798 noconfigdirs="$noconfigdirs ${libgcj}"
799 if test x${is_cross_compiler} != xno ; then
800 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
805 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
806 noconfigdirs="$noconfigdirs ${libgcj}"
808 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
811 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
814 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
817 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
820 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
823 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
826 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
829 noconfigdirs="$noconfigdirs ${libgcj}"
832 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
834 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
835 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
838 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
841 noconfigdirs="$noconfigdirs ${libgcj}"
845 # If we aren't building newlib, then don't build libgloss, since libgloss
846 # depends upon some newlib header files.
847 case "${noconfigdirs}" in
848 *target-libgloss*) ;;
849 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
852 # Work in distributions that contain no compiler tools, like Autoconf.
854 host_makefile_frag=/dev/null
855 if test -d ${srcdir}/config ; then
858 # Avoid "too much defining" errors from HPUX compiler.
859 tentative_cc="cc -Wp,-H256000"
860 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
861 # If it's HP/UX ar, this should be harmless.
865 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
868 #None of the Apollo compilers can compile gas or binutils. The preprocessor
869 # chokes on bfd, the compiler won't let you assign integers to enums, and
870 # other problems. Defining CC to gcc is a questionable way to say "don't use
871 # the apollo compiler" (the preferred version of GCC could be called cc,
872 # or whatever), but I'm not sure leaving CC as cc is any better...
873 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
874 # Used to have BISON=yacc.
878 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
881 # Under CX/UX, we want to tell the compiler to use ANSI mode.
882 tentative_cc="cc -Xa"
883 host_makefile_frag="config/mh-cxux"
888 tentative_cc="cc -Wf,-XNg1000"
889 host_makefile_frag="config/mh-decstation"
892 # The C compiler on NEC MIPS SVR4 needs bigger tables.
893 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
894 host_makefile_frag="config/mh-necv4"
897 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
898 # environment. Also bump switch table size so that cp-parse will
899 # compile. Bump string length limit so linker builds.
900 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
903 host_makefile_frag="config/mh-sysv4"
906 # This is for a MIPS running RISC/os 4.52C.
908 # This is needed for GDB, but needs to be in the top-level make because
909 # if a library is compiled with the bsd headers and gets linked with the
910 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
912 # ptrace(2) apparently has problems in the BSD environment. No workaround is
913 # known except to select the sysv environment. Could we use /proc instead?
914 # These "sysv environments" and "bsd environments" often end up being a pain.
916 # This is not part of CFLAGS because perhaps not all C compilers have this
918 tentative_cc="cc -systype sysv"
923 i[[3456789]]86-*-sysv5*)
924 host_makefile_frag="config/mh-sysv5"
926 i[[3456789]]86-*-dgux*)
927 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
928 host_makefile_frag="config/mh-dgux386"
930 i[[3456789]]86-ncr-sysv4.3*)
931 # The MetaWare compiler will generate a copyright message unless you
932 # turn it off by adding the -Hnocopyr flag.
933 tentative_cc="cc -Hnocopyr"
935 i[[3456789]]86-ncr-sysv4*)
936 # for an NCR 3000 (i486/SVR4) system.
937 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
938 # This compiler not only emits obnoxious copyright messages every time
939 # you run it, but it chokes and dies on a whole bunch of GNU source
940 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
941 tentative_cc="/usr/ccs/ATT/cc"
942 host_makefile_frag="config/mh-ncr3000"
944 i[[3456789]]86-*-sco3.2v5*)
946 i[[3456789]]86-*-sco*)
947 # The native C compiler botches some simple uses of const. Unfortunately,
948 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
949 tentative_cc="cc -Dconst="
950 host_makefile_frag="config/mh-sco"
952 i[[3456789]]86-*-udk*)
953 host_makefile_frag="config/mh-sysv5"
955 i[[3456789]]86-*-solaris2*)
956 host_makefile_frag="config/mh-sysv4"
958 i[[3456789]]86-*-msdosdjgpp*)
959 host_makefile_frag="config/mh-djgpp"
962 host_makefile_frag="config/mh-cygwin"
967 host_makefile_frag="config/mh-interix"
970 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
974 host_makefile_frag="config/mh-solaris"
977 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
978 # without overflowing the jump tables (-J says to use a 32 bit table)
982 tentative_cc="cc -Wp,-H256000"
985 tentative_cc="cc -Wp,-H256000"
988 # /bin/cc is less than useful for our purposes. Always use GCC
989 tentative_cc="/usr/cygnus/progressive/bin/gcc"
990 host_makefile_frag="config/mh-lynxrs6k"
993 host_makefile_frag="config/mh-ppc-darwin"
996 host_makefile_frag="config/mh-ppc-aix"
999 host_makefile_frag="config/mh-ppc-aix"
1002 # /bin/cc is less than useful for our purposes. Always use GCC
1003 tentative_cc="/bin/gcc"
1006 host_makefile_frag="config/mh-sysv4"
1008 # This is placed last to prevent interfering with the cases above.
1010 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1011 host_makefile_frag="config/mh-x86omitfp"
1016 # If we aren't going to be using gcc, see if we can extract a definition
1017 # of CC from the fragment.
1018 # Actually, use the 'pre-extracted' version above.
1019 if test -z "${CC}" && test "${build}" = "${host}" ; then
1020 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1022 for dir in $PATH; do
1023 test -z "$dir" && dir=.
1024 if test -f $dir/gcc; then
1030 if test -z "${found}" && test -n "${tentative_cc}" ; then
1035 if test "${build}" != "${host}" ; then
1036 # If we are doing a Canadian Cross, in which the host and build systems
1037 # are not the same, we set reasonable default values for the tools.
1039 CC=${CC-${host_alias}-gcc}
1040 CFLAGS=${CFLAGS-"-g -O2"}
1041 CXX=${CXX-${host_alias}-c++}
1042 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1043 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1046 # Set reasonable default values for some tools even if not Canadian.
1047 # Of course, these are different reasonable default values, originally
1048 # specified directly in the Makefile.
1049 # We don't export, so that autoconf can do its job.
1050 # Note that all these settings are above the fragment inclusion point
1051 # in Makefile.in, so can still be overridden by fragments.
1052 # This is all going to change when we autoconfiscate...
1054 CC_FOR_BUILD="\$(CC)"
1057 # We must set the default linker to the linker used by gcc for the correct
1058 # operation of libtool. If LD is not defined and we are using gcc, try to
1059 # set the LD default to the ld used by gcc.
1060 if test -z "$LD"; then
1061 if test "$GCC" = yes; then
1064 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1066 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1068 case $gcc_prog_ld in
1069 # Accept absolute paths.
1070 [[\\/]* | [A-Za-z]:[\\/]*)]
1071 LD="$gcc_prog_ld" ;;
1077 CFLAGS=${CFLAGS-"-g"}
1078 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1082 ACX_PROG_CMP_IGNORE_INITIAL
1084 # Check for GMP and MPFR
1088 # Specify a location for mpfr
1089 # check for this first so it ends up on the link line before gmp.
1090 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1092 if test "x$with_mpfr_dir" != x; then
1093 gmpinc="-I$with_mpfr_dir"
1094 gmplibs="$with_mpfr_dir/libmpfr.a"
1099 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1101 if test "x$with_mpfr" != x; then
1102 gmplibs="-L$with_mpfr/lib $gmplibs"
1103 gmpinc="-I$with_mpfr/include"
1106 # Specify a location for gmp
1107 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1109 if test "x$with_gmp_dir" != x; then
1110 gmpinc="$gmpinc -I$with_gmp_dir"
1111 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1112 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1113 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1114 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1116 # One of the later tests will catch the error if neither library is present.
1118 gmplibs="$gmplibs -lgmp"
1121 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1123 if test "x$with_gmp" != x; then
1124 gmplibs="-L$with_gmp/lib $gmplibs"
1125 gmpinc="-I$with_gmp/include $gmpinc"
1128 saved_CFLAGS="$CFLAGS"
1129 CFLAGS="$CFLAGS $gmpinc"
1130 # Check GMP actually works
1131 AC_MSG_CHECKING([for correct version of gmp.h])
1132 AC_TRY_COMPILE([#include "gmp.h"],[
1133 #if __GNU_MP_VERSION < 3
1136 ], [AC_MSG_RESULT([yes])],
1137 [AC_MSG_RESULT([no]); have_gmp=no])
1139 if test x"$have_gmp" = xyes; then
1140 AC_MSG_CHECKING([for MPFR])
1143 LIBS="$LIBS $gmplibs"
1144 AC_TRY_LINK([#include <gmp.h>
1145 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1146 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1148 CFLAGS="$saved_CFLAGS"
1151 # Flags needed for both GMP and/or MPFR
1155 # By default, C is the only stage 1 language.
1157 AC_SUBST(stage1_languages)
1159 # Figure out what language subdirectories are present.
1160 # Look if the user specified --enable-languages="..."; if not, use
1161 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1163 # NB: embedded tabs in this IF block -- do not untabify
1164 if test -d ${srcdir}/gcc; then
1165 if test x"${enable_languages+set}" != xset; then
1166 if test x"${LANGUAGES+set}" = xset; then
1167 enable_languages="${LANGUAGES}"
1168 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1170 enable_languages=all
1173 if test x"${enable_languages}" = x ||
1174 test x"${enable_languages}" = xyes;
1176 echo configure.in: --enable-languages needs at least one language argument 1>&2
1180 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1182 # 'f95' is the old name for the 'fortran' language. We issue a warning
1183 # and make the substitution.
1184 case ,${enable_languages}, in
1186 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1187 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1191 # First scan to see if an enabled language requires some other language.
1192 # We assume that a given config-lang.in will list all the language
1193 # front ends it requires, even if some are required indirectly.
1194 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1195 case ${lang_frag} in
1197 # The odd quoting in the next line works around
1198 # an apparent bug in bash 1.12 on linux.
1199 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1201 # From the config-lang.in, get $language, $lang_requires
1205 for other in ${lang_requires} ; do
1206 case ,${enable_languages}, in
1210 echo " \`$other' language required by \`$language'; enabling" 1>&2
1211 enable_languages="${enable_languages},${other}"
1219 new_enable_languages=c
1220 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1221 potential_languages=c
1223 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1224 case ${lang_frag} in
1226 # The odd quoting in the next line works around
1227 # an apparent bug in bash 1.12 on linux.
1228 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1230 # From the config-lang.in, get $language, $target_libs,
1231 # $lang_dirs, $boot_language, and $build_by_default
1239 potential_languages="${potential_languages},${language}"
1240 # This is quite sensitive to the ordering of the case statement arms.
1241 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1243 echo "${lang_frag} doesn't set \$language." 1>&2
1247 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1250 *,${language},*:*:*:*)
1251 # Language was explicitly selected; include it.
1255 # 'all' was selected, but this is not a default language
1256 # so do not include it.
1260 # 'all' was selected and this is a default language; include it.
1268 # Disable languages that need GMP if it isn't available.
1269 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1270 *,${language},*:no:yes)
1271 # Specifically requested language; tell them.
1272 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1280 # Disable a language that is unsupported by the target.
1281 case " $unsupported_languages " in
1287 case $add_this_lang in
1289 # Remove language-dependent dirs.
1290 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1293 new_enable_languages="$new_enable_languages,$language"
1294 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1295 case ${boot_language} in
1297 # Add to (comma-separated) list of stage 1 languages.
1298 stage1_languages="${stage1_languages},${language}"
1307 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1308 if test "x$missing_languages" != x; then
1310 The following requested languages could not be built: ${missing_languages}
1311 Recognised languages are: ${potential_languages}])
1314 if test "x$new_enable_languages" != "x$enable_languages"; then
1315 echo The following languages will be built: ${new_enable_languages}
1317 enable_languages="$new_enable_languages"
1318 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1321 # Handle --disable-<component> generically.
1322 for dir in $configdirs $build_configdirs $target_configdirs ; do
1323 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1324 if eval test x\${enable_${dirname}} "=" xno ; then
1325 noconfigdirs="$noconfigdirs $dir"
1329 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1330 # $build_configdirs and $target_configdirs.
1331 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1334 for dir in . $skipdirs $noconfigdirs ; do
1335 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1336 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1337 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1338 if test -r $srcdir/$dirname/configure ; then
1339 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1342 notsupp="$notsupp $dir"
1346 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1347 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1348 if test -r $srcdir/$dirname/configure ; then
1349 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1352 notsupp="$notsupp $dir"
1356 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1357 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1358 if test -r $srcdir/$dirname/configure ; then
1359 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1362 notsupp="$notsupp $dir"
1368 # Sometimes the tools are distributed with libiberty but with no other
1369 # libraries. In that case, we don't want to build target-libiberty.
1370 if test -n "${target_configdirs}" ; then
1372 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1373 if test "$i" != "libiberty" ; then
1374 if test -r $srcdir/$i/configure ; then
1380 if test -z "${others}" ; then
1385 # Quietly strip out all directories which aren't configurable in this tree.
1386 # This relies on all configurable subdirectories being autoconfiscated, which
1388 build_configdirs_all="$build_configdirs"
1390 for i in ${build_configdirs_all} ; do
1391 j=`echo $i | sed -e s/build-//g`
1392 if test -f ${srcdir}/$j/configure ; then
1393 build_configdirs="${build_configdirs} $i"
1397 configdirs_all="$configdirs"
1399 for i in ${configdirs_all} ; do
1400 if test -f ${srcdir}/$i/configure ; then
1401 configdirs="${configdirs} $i"
1405 target_configdirs_all="$target_configdirs"
1407 for i in ${target_configdirs_all} ; do
1408 j=`echo $i | sed -e s/target-//g`
1409 if test -f ${srcdir}/$j/configure ; then
1410 target_configdirs="${target_configdirs} $i"
1414 # Produce a warning message for the subdirs we can't configure.
1415 # This isn't especially interesting in the Cygnus tree, but in the individual
1416 # FSF releases, it's important to let people know when their machine isn't
1417 # supported by the one or two programs in a package.
1419 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1420 # If $appdirs is non-empty, at least one of those directories must still
1421 # be configured, or we error out. (E.g., if the gas release supports a
1422 # specified target in some subdirs but not the gas subdir, we shouldn't
1423 # pretend that all is well.)
1424 if test -n "$appdirs" ; then
1425 for dir in $appdirs ; do
1426 if test -r $dir/Makefile.in ; then
1427 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1431 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1437 if test -n "$appdirs" ; then
1438 echo "*** This configuration is not supported by this package." 1>&2
1442 # Okay, some application will build, or we don't care to check. Still
1443 # notify of subdirs not getting built.
1444 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1445 echo " ${notsupp}" 1>&2
1446 echo " (Any other directories should still work fine.)" 1>&2
1456 AC_ARG_WITH([build-sysroot],
1457 [ --with-build-sysroot=sysroot
1458 use sysroot as the system root during the build],
1459 [if test x"$withval" != x ; then
1460 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1462 [SYSROOT_CFLAGS_FOR_TARGET=])
1463 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1465 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1466 # the named directory are copied to $(tooldir)/sys-include.
1467 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1468 if test x${is_cross_compiler} = xno ; then
1469 echo 1>&2 '***' --with-headers is only supported when cross compiling
1472 if test x"${with_headers}" != xyes ; then
1473 case "${exec_prefixoption}" in
1475 *) x=${exec_prefix} ;;
1477 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1481 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1482 # the name directories are copied to $(tooldir)/lib. Multiple directories
1484 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1485 if test x${is_cross_compiler} = xno ; then
1486 echo 1>&2 '***' --with-libs is only supported when cross compiling
1489 if test x"${with_libs}" != xyes ; then
1490 # Copy the libraries in reverse order, so that files in the first named
1491 # library override files in subsequent libraries.
1492 case "${exec_prefixoption}" in
1494 *) x=${exec_prefix} ;;
1496 for l in ${with_libs}; do
1497 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1502 # Set with_gnu_as and with_gnu_ld as appropriate.
1504 # This is done by determining whether or not the appropriate directory
1505 # is available, and by checking whether or not specific configurations
1506 # have requested that this magic not happen.
1508 # The command line options always override the explicit settings in
1509 # configure.in, and the settings in configure.in override this magic.
1511 # If the default for a toolchain is to use GNU as and ld, and you don't
1512 # want to do that, then you should use the --without-gnu-as and
1513 # --without-gnu-ld options for the configure script.
1515 if test x${use_gnu_as} = x &&
1516 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1518 extra_host_args="$extra_host_args --with-gnu-as"
1521 if test x${use_gnu_ld} = x &&
1522 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1524 extra_host_args="$extra_host_args --with-gnu-ld"
1527 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1528 # can detect this case.
1530 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1532 extra_host_args="$extra_host_args --with-newlib"
1535 # Handle ${copy_dirs}
1536 set fnord ${copy_dirs}
1538 while test $# != 0 ; do
1539 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1542 echo Copying $1 to $2
1544 # Use the install script to create the directory and all required
1545 # parent directories.
1546 if test -d $2 ; then
1550 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1553 # Copy the directory, assuming we have tar.
1554 # FIXME: Should we use B in the second tar? Not all systems support it.
1555 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1557 # It is the responsibility of the user to correctly adjust all
1558 # symlinks. If somebody can figure out how to handle them correctly
1559 # here, feel free to add the code.
1566 # Determine a target-dependent exec_prefix that the installed
1567 # gcc will search in. Keep this list sorted by triplet, with
1568 # the *-*-osname triplets last.
1572 md_exec_prefix=/gnu/lib/gcc-lib
1574 i[34567]86-pc-msdosdjgpp*)
1575 md_exec_prefix=/dev/env/DJDIR/bin
1577 i[34567]86-*-sco3.2v5*)
1578 if test $with_gnu_as = yes; then
1579 md_exec_prefix=/usr/gnu/bin
1581 md_exec_prefix=/usr/ccs/bin/elf
1586 powerpc-*-chorusos* | \
1587 powerpc*-*-eabi* | \
1588 powerpc*-*-sysv* | \
1589 powerpc*-*-kaos* | \
1591 md_exec_prefix=/usr/ccs/bin
1596 md_exec_prefix=/usr/ccs/bin
1611 md_exec_prefix=/usr/ccs/bin
1615 extra_arflags_for_target=
1616 extra_nmflags_for_target=
1617 extra_ranlibflags_for_target=
1618 target_makefile_frag=/dev/null
1621 target_makefile_frag="config/mt-netware"
1623 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1624 target_makefile_frag="config/mt-gnu"
1626 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1627 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1628 # commands to handle both 32-bit and 64-bit objects. These flags are
1629 # harmless if we're using GNU nm or ar.
1630 extra_arflags_for_target=" -X32_64"
1631 extra_nmflags_for_target=" -B -X32_64"
1634 # ranlib from Darwin requires the -c flag to look at common symbols.
1635 extra_ranlibflags_for_target=" -c"
1637 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1638 target_makefile_frag="config/mt-wince"
1642 alphaieee_frag=/dev/null
1645 # This just makes sure to use the -mieee option to build target libs.
1646 # This should probably be set individually by each library.
1647 alphaieee_frag="config/mt-alphaieee"
1651 # If --enable-target-optspace always use -Os instead of -O2 to build
1652 # the target libraries, similarly if it is not specified, use -Os
1653 # on selected platforms.
1654 ospace_frag=/dev/null
1655 case "${enable_target_optspace}:${target}" in
1657 ospace_frag="config/mt-ospace"
1660 ospace_frag="config/mt-d30v"
1662 :m32r-* | :d10v-* | :fr30-*)
1663 ospace_frag="config/mt-ospace"
1668 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1672 # Default to using --with-stabs for certain targets.
1673 if test x${with_stabs} = x ; then
1675 mips*-*-irix[[56]]*)
1677 mips*-*-* | alpha*-*-osf*)
1679 extra_host_args="${extra_host_args} --with-stabs"
1684 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1685 # them automatically.
1688 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1692 # Some systems (e.g., one of the i386-aix systems the gas testers are
1693 # using) don't handle "\$" correctly, so don't use it here.
1694 tooldir='${exec_prefix}'/${target_alias}
1695 build_tooldir=${tooldir}
1697 # Create a .gdbinit file which runs the one in srcdir
1698 # and tells GDB to look there for source files.
1700 if test -r ${srcdir}/.gdbinit ; then
1703 *) cat > ./.gdbinit <<EOF
1707 source ${srcdir}/.gdbinit
1713 # Make sure that the compiler is able to generate an executable. If it
1714 # can't, we are probably in trouble. We don't care whether we can run the
1715 # executable--we might be using a cross compiler--we only care whether it
1716 # can be created. At this point the main configure script has set CC.
1718 echo "int main () { return 0; }" > conftest.c
1719 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1720 if test $? = 0 ; then
1721 if test -s conftest || test -s conftest.exe ; then
1727 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1728 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1735 # The Solaris /usr/ucb/cc compiler does not appear to work.
1737 sparc-sun-solaris2*)
1738 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1739 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1741 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1742 if test -d /opt/cygnus/bin ; then
1743 if test "$could_use" = "" ; then
1744 could_use="/opt/cygnus/bin"
1746 could_use="$could_use or /opt/cygnus/bin"
1749 if test "$could_use" = "" ; then
1750 echo "Warning: compilation may fail because you're using"
1751 echo "/usr/ucb/cc. You should change your PATH or CC "
1752 echo "variable and rerun configure."
1754 echo "Warning: compilation may fail because you're using"
1755 echo "/usr/ucb/cc, when you should use the C compiler from"
1756 echo "$could_use. You should change your"
1757 echo "PATH or CC variable and rerun configure."
1764 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1765 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1766 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1769 # Record target_configdirs and the configure arguments for target and
1770 # build configuration in Makefile.
1771 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1772 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1774 # Determine whether gdb needs tk/tcl or not.
1775 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1776 # and in that case we want gdb to be built without tk. Ugh!
1777 # In fact I believe gdb is the *only* package directly dependent on tk,
1778 # so we should be able to put the 'maybe's in unconditionally and
1779 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1780 # 100% sure that that's safe though.
1782 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1783 case "$enable_gdbtk" in
1787 GDB_TK="${gdb_tk}" ;;
1789 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1790 # distro. Eventually someone will fix this and move Insight, nee
1791 # gdbtk to a separate directory.
1792 if test -d ${srcdir}/gdb/gdbtk ; then
1799 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1800 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1802 # Strip out unwanted targets.
1804 # While at that, we remove Makefiles if we were started for recursive
1805 # configuration, so that the top-level Makefile reconfigures them,
1806 # like we used to do when configure itself was recursive.
1808 # Loop over modules. $extrasub must be used with care, limiting as
1809 # much as possible the usage of range addresses. That's because autoconf
1810 # splits the sed script to overcome limits in the number of commands,
1811 # and relying on carefully-timed sed passes may turn out to be very hard
1812 # to maintain later. In this particular case, you just have to be careful
1813 # not to nest @if/@endif pairs, because configure will not warn you at all.
1815 AC_ARG_ENABLE([bootstrap],
1816 [ --enable-bootstrap Enable bootstrapping [yes if native build]],,
1817 enable_bootstrap=default)
1819 # Issue errors and warnings for invalid/strange bootstrap combinations.
1820 case "$configdirs" in
1821 *gcc*) have_compiler=yes ;;
1822 *) have_compiler=no ;;
1825 case "$have_compiler:$host:$target:$enable_bootstrap" in
1828 # Default behavior. Enable bootstrap if we have a compiler
1829 # and we are in a native configuration.
1830 yes:$build:$build:default)
1831 enable_bootstrap=yes ;;
1834 enable_bootstrap=no ;;
1836 # We have a compiler and we are in a native configuration, bootstrap is ok
1837 yes:$build:$build:yes)
1840 # Other configurations, but we have a compiler. Assume the user knows
1843 AC_MSG_WARN([trying to bootstrap a cross compiler])
1846 # No compiler: if they passed --enable-bootstrap explicitly, fail
1848 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1850 # Fail if wrong command line
1852 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1856 # Adjust the toplevel makefile according to whether bootstrap was selected.
1857 case "$enable_bootstrap" in
1859 bootstrap_suffix=bootstrap ;;
1861 bootstrap_suffix=no-bootstrap ;;
1864 for module in ${build_configdirs} ; do
1865 if test -z "${no_recursion}" \
1866 && test -f ${build_subdir}/${module}/Makefile; then
1867 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1868 rm -f ${build_subdir}/${module}/Makefile
1871 /^@if build-$module\$/d
1872 /^@endif build-$module\$/d
1873 /^@if build-$module-$bootstrap_suffix\$/d
1874 /^@endif build-$module-$bootstrap_suffix\$/d"
1876 for module in ${configdirs} ; do
1877 if test -z "${no_recursion}"; then
1878 for file in stage*-${module}/Makefile ${module}/Makefile; do
1879 if test -f ${file}; then
1880 echo 1>&2 "*** removing ${file} to force reconfigure"
1887 /^@endif $module\$/d
1888 /^@if $module-$bootstrap_suffix\$/d
1889 /^@endif $module-$bootstrap_suffix\$/d"
1891 for module in ${target_configdirs} ; do
1892 if test -z "${no_recursion}" \
1893 && test -f ${target_subdir}/${module}/Makefile; then
1894 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1895 rm -f ${target_subdir}/${module}/Makefile
1898 /^@if target-$module\$/d
1899 /^@endif target-$module\$/d
1900 /^@if target-$module-$bootstrap_suffix\$/d
1901 /^@endif target-$module-$bootstrap_suffix\$/d"
1905 /^@if /,/^@endif /d"
1907 # Create the serialization dependencies. This uses a temporary file.
1909 AC_ARG_ENABLE([serial-configure],
1910 [ --enable-serial-[{host,target,build}-]configure
1911 Force sequential configuration of
1912 sub-packages for the host, target or build
1913 machine, or all sub-packages])
1915 case ${enable_serial_configure} in
1917 enable_serial_build_configure=yes
1918 enable_serial_host_configure=yes
1919 enable_serial_target_configure=yes
1923 # These force 'configure's to be done one at a time, to avoid problems
1924 # with contention over a shared config.cache.
1926 echo '# serdep.tmp' > serdep.tmp
1928 test "x${enable_serial_build_configure}" = xyes &&
1929 for item in ${build_configdirs} ; do
1932 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1937 test "x${enable_serial_host_configure}" = xyes &&
1938 for item in ${configdirs} ; do
1941 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1946 test "x${enable_serial_target_configure}" = xyes &&
1947 for item in ${target_configdirs} ; do
1950 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1954 serialization_dependencies=serdep.tmp
1955 AC_SUBST_FILE(serialization_dependencies)
1957 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1958 # target and nonopt. These are the ones we might not want to pass
1959 # down to subconfigures. Also strip program-prefix, program-suffix,
1960 # and program-transform-name, so that we can pass down a consistent
1961 # program-transform-name. If autoconf has put single quotes around
1962 # any of these arguments (because they contain shell metacharacters)
1963 # then this will fail; in practice this only happens for
1964 # --program-transform-name, so be sure to override --program-transform-name
1965 # at the end of the argument list.
1966 # These will be expanded by make, so quote '$'.
1967 cat <<\EOF_SED > conftestsed
1969 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1970 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1971 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1972 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1973 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1974 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1975 s/ -cache-file[[= ]][[^ ]]*//g
1976 s/ -srcdir[[= ]][[^ ]]*//g
1977 s/ -host[[= ]][[^ ]]*//g
1978 s/ -build[[= ]][[^ ]]*//g
1979 s/ -target[[= ]][[^ ]]*//g
1980 s/ -program-prefix[[= ]][[^ ]]*//g
1981 s/ -program-suffix[[= ]][[^ ]]*//g
1982 s/ -program-transform-name[[= ]][[^ ]]*//g
1983 s/ [[^' -][^ ]*] / /
1987 sed -f conftestsed <<EOF_SED > conftestsed.out
1988 ${ac_configure_args}
1990 baseargs=`cat conftestsed.out`
1991 rm -f conftestsed conftestsed.out
1993 # Add in --program-transform-name, after --program-prefix and
1994 # --program-suffix have been applied to it. Autoconf has already
1995 # doubled dollar signs and backslashes in program_transform_name; we want
1996 # the backslashes un-doubled, and then the entire thing wrapped in single
1997 # quotes, because this will be expanded first by make and then by the shell.
1998 # Also, because we want to override the logic in subdir configure scripts to
1999 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2000 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2001 ${program_transform_name}
2003 gcc_transform_name=`cat conftestsed.out`
2004 rm -f conftestsed.out
2005 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2007 # For the build-side libraries, we just need to pretend we're native,
2008 # and not use the same cache file. Multilibs are neither needed nor
2010 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
2012 # For host modules, accept cache file option, or specification as blank.
2013 case "${cache_file}" in
2015 cache_file_option="" ;;
2016 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2017 cache_file_option="--cache-file=${cache_file}" ;;
2019 cache_file_option="--cache-file=../${cache_file}" ;;
2022 # Host dirs don't like to share a cache file either, horribly enough.
2023 # This seems to be due to autoconf 2.5x stupidity.
2024 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
2026 target_configargs=${baseargs}
2028 # Passing a --with-cross-host argument lets the target libraries know
2029 # whether they are being built with a cross-compiler or being built
2030 # native. However, it would be better to use other mechanisms to make the
2031 # sorts of decisions they want to make on this basis. Please consider
2032 # this option to be deprecated. FIXME.
2033 if test x${is_cross_compiler} = xyes ; then
2034 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
2037 # Default to --enable-multilib.
2038 if test x${enable_multilib} = x ; then
2039 target_configargs="--enable-multilib ${target_configargs}"
2042 # Pass --with-newlib if appropriate. Note that target_configdirs has
2043 # changed from the earlier setting of with_newlib.
2044 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2045 target_configargs="--with-newlib ${target_configargs}"
2048 # Different target subdirs use different values of certain variables
2049 # (notably CXX). Worse, multilibs use *lots* of different values.
2050 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2051 # it doesn't automatically accept command-line overrides of them.
2052 # This means it's not safe for target subdirs to share a cache file,
2053 # which is disgusting, but there you have it. Hopefully this can be
2054 # fixed in future. It's still worthwhile to use a cache file for each
2055 # directory. I think.
2057 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2058 # We need to pass --target, as newer autoconf's requires consistency
2059 # for target_alias and gcc doesn't manage it consistently.
2060 target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
2063 case " $target_configdirs " in
2065 case " $target_configargs " in
2066 *" --with-newlib "*)
2069 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 $$s/winsup/w32api/include' ;;
2072 # If we're not building GCC, don't discard standard headers.
2073 if test -d ${srcdir}/gcc; then
2074 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2076 if test "${build}" != "${host}"; then
2077 # On Canadian crosses, CC_FOR_TARGET will have already been set
2078 # by `configure', so we won't have an opportunity to add -Bgcc/
2079 # to it. This is right: we don't want to search that directory
2080 # for binaries, but we want the header files in there, so add
2082 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2084 # Someone might think of using the pre-installed headers on
2085 # Canadian crosses, in case the installed compiler is not fully
2086 # compatible with the compiler being built. In this case, it
2087 # would be better to flag an error than risking having
2088 # incompatible object files being constructed. We can't
2089 # guarantee that an error will be flagged, but let's hope the
2090 # compiler will do it, when presented with incompatible header
2095 case "${target}-${is_cross_compiler}" in
2096 i[[3456789]]86-*-linux*-no)
2097 # Here host == target, so we don't need to build gcc,
2098 # so we don't want to discard standard headers.
2099 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2102 # If we're building newlib, use its generic headers last, but search
2103 # for any libc-related directories first (so make it the last -B
2105 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2113 # Allow the user to override the flags for
2114 # our build compiler if desired.
2115 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2117 # On Canadian crosses, we'll be searching the right directories for
2118 # the previously-installed cross compiler, so don't bother to add
2119 # flags for directories within the install tree of the compiler
2120 # being built; programs in there won't even run.
2121 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2122 # Search for pre-installed headers if nothing else fits.
2123 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2126 if test "x${use_gnu_ld}" = x &&
2127 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2128 # Arrange for us to find uninstalled linker scripts.
2129 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2132 # Makefile fragments.
2133 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2135 eval fragval=\$$frag
2136 if test $fragval != /dev/null; then
2137 eval $frag=${srcdir}/$fragval
2140 AC_SUBST_FILE(host_makefile_frag)
2141 AC_SUBST_FILE(target_makefile_frag)
2142 AC_SUBST_FILE(alphaieee_frag)
2143 AC_SUBST_FILE(ospace_frag)
2145 # Miscellanea: directories, flags, etc.
2146 AC_SUBST(RPATH_ENVVAR)
2148 AC_SUBST(build_tooldir)
2149 AC_SUBST(CONFIGURE_GDB_TK)
2151 AC_SUBST(INSTALL_GDB_TK)
2153 # Build module lists & subconfigure args.
2154 AC_SUBST(build_configargs)
2155 AC_SUBST(build_configdirs)
2157 # Host module lists & subconfigure args.
2158 AC_SUBST(host_configargs)
2159 AC_SUBST(configdirs)
2161 # Target module lists & subconfigure args.
2162 AC_SUBST(target_configargs)
2166 AC_SUBST(CC_FOR_BUILD)
2167 AC_SUBST(config_shell)
2169 # Generate default definitions for YACC, M4, LEX and other programs that run
2170 # on the build machine. These are used if the Makefile can't locate these
2171 # programs in objdir.
2172 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2174 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2175 case " $build_configdirs " in
2176 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2177 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2180 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2181 case " $build_configdirs " in
2182 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2185 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2186 case " $build_configdirs " in
2187 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2190 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2191 case " $build_configdirs " in
2192 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2193 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2196 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2197 case " $build_configdirs " in
2198 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2201 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2202 case " $build_configdirs " in
2203 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2206 # For an installed makeinfo, we require it to be from texinfo 4.4 or
2207 # higher, else we use the "missing" dummy.
2208 if ${MAKEINFO} --version \
2209 | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
2212 MAKEINFO="$MISSING makeinfo"
2218 # FIXME: expect and dejagnu may become build tools?
2220 AC_CHECK_PROGS(EXPECT, expect, expect)
2221 case " $configdirs " in
2223 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2227 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2228 case " $configdirs " in
2230 test $host = $build && RUNTEST='$$r/$(HOST_SUBDIR)/dejagnu/runtest'
2236 NCN_STRICT_CHECK_TOOLS(AR, ar)
2237 NCN_STRICT_CHECK_TOOLS(AS, as)
2238 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2239 NCN_STRICT_CHECK_TOOLS(LD, ld)
2240 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2241 NCN_STRICT_CHECK_TOOLS(NM, nm)
2242 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2243 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2244 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2245 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2246 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2250 AC_SUBST(CFLAGS_FOR_BUILD)
2254 AC_ARG_WITH([build-time-tools],
2255 [ --with-build-time-tools=path
2256 use given path to find target tools during the build],
2257 [case x"$withval" in
2260 with_build_time_tools=
2261 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2264 [with_build_time_tools=])
2266 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2267 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2268 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2269 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2270 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2272 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2273 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2274 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2275 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2276 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2277 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2278 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2279 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2280 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2281 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2283 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2285 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2286 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2287 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2288 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2289 [gcc/g++ -B$$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],
2291 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2292 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2294 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2295 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2296 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2297 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2298 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2299 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2300 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2301 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2302 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2303 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2304 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2305 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2306 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2308 AC_SUBST(FLAGS_FOR_TARGET)
2309 AC_SUBST(RAW_CXX_FOR_TARGET)
2311 # Certain tools may need extra flags.
2312 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2313 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2314 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2316 # When building target libraries, except in a Canadian cross, we use
2317 # the same toolchain as the compiler we just built.
2318 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2319 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2320 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2321 if test $host = $build; then
2322 case " $configdirs " in
2324 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2325 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2326 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2331 AC_SUBST(COMPILER_AS_FOR_TARGET)
2332 AC_SUBST(COMPILER_LD_FOR_TARGET)
2333 AC_SUBST(COMPILER_NM_FOR_TARGET)
2335 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2336 AC_ARG_ENABLE(maintainer-mode,
2337 [ --enable-maintainer-mode enable make rules and dependencies not useful
2338 (and sometimes confusing) to the casual installer],
2339 USE_MAINTAINER_MODE=$enableval,
2340 USE_MAINTAINER_MODE=no)
2341 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2342 AC_SUBST(MAINTAINER_MODE_TRUE)
2343 AC_SUBST(MAINTAINER_MODE_FALSE)
2344 if test "$USE_MAINTAINER_MODE" = yes; then
2345 MAINTAINER_MODE_TRUE=
2346 MAINTAINER_MODE_FALSE='#'
2348 MAINTAINER_MODE_TRUE='#'
2349 MAINTAINER_MODE_FALSE=
2351 MAINT=$MAINTAINER_MODE_TRUE
2354 # ---------------------
2355 # GCC bootstrap support
2356 # ---------------------
2358 # Stage specific cflags for build.
2363 yes) stage1_cflags="-g -Wa,-J" ;;
2364 *) stage1_cflags="-g -J" ;;
2367 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2368 # sources; use -no-cpp-precomp to get to GNU cpp.
2369 # Apple's GCC has bugs in designated initializer handling, so disable
2371 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2374 AC_SUBST(stage1_cflags)
2376 # Enable -Werror in bootstrap stage2 and later.
2377 # Change the default to "no" on release branches.
2378 AC_ARG_ENABLE(werror,
2379 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2380 [enable_werror=yes])
2381 case ${enable_werror} in
2382 yes) stage2_werror_flag="--enable-werror-always" ;;
2383 *) stage2_werror_flag="" ;;
2385 AC_SUBST(stage2_werror_flag)
2387 # Flags needed to enable html installing and building
2388 AC_ARG_WITH(datarootdir,
2389 [ --with-datarootdir Use datarootdir as the data root directory.],
2390 [datarootdir="\${prefix}/${withval}"],
2391 [datarootdir="\${prefix}/share"])
2394 [ --with-docdir Install documentation in this directory.],
2395 [docdir="\${prefix}/${withval}"],
2396 [docdir="\${datarootdir}/doc"])
2398 AC_ARG_WITH(htmldir,
2399 [ --with-htmldir Install html in this directory.],
2400 [htmldir="\${prefix}/${withval}"],
2401 [htmldir="\${docdir}"])
2403 AC_SUBST(datarootdir)