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 \
157 # these tools are built using the target libraries, and are intended to
158 # run only in the target environment
160 # note: any program that *uses* libraries that are in the "target_libraries"
161 # list belongs in this list. those programs are also very likely
162 # candidates for the "native_only" list which follows
164 target_tools="target-examples target-groff target-gperf target-rda"
166 ################################################################################
168 ## All tools belong in one of the four categories, and are assigned above
169 ## We assign ${configdirs} this way to remove all embedded newlines. This
170 ## is important because configure will choke if they ever get through.
171 ## ${configdirs} is directories we build using the host tools.
172 ## ${target_configdirs} is directories we build using the target tools.
173 configdirs=`echo ${host_libs} ${host_tools}`
174 target_configdirs=`echo ${target_libraries} ${target_tools}`
175 build_configdirs=`echo ${build_libs} ${build_tools}`
177 ################################################################################
179 srcname="gnu development package"
181 # This gets set non-empty for some net releases of packages.
184 # Define is_cross_compiler to save on calls to 'test'.
186 if test x"${host}" = x"${target}" ; then
189 is_cross_compiler=yes
192 # Find the build and target subdir names.
195 # Skipdirs are removed silently.
197 # Noconfigdirs are removed loudly.
201 # Make sure we don't let GNU ld be added if we didn't want it.
202 if test x$with_gnu_ld = xno ; then
204 noconfigdirs="$noconfigdirs ld"
208 # Make sure we don't let GNU as be added if we didn't want it.
209 if test x$with_gnu_as = xno ; then
211 noconfigdirs="$noconfigdirs gas"
214 # some tools are so dependent upon X11 that if we're not building with X,
215 # it's not even worth trying to configure, much less build, that tool.
218 yes | "") ;; # the default value for this tree is that X11 is available
220 skipdirs="${skipdirs} tk itcl libgui"
221 # We won't be able to build gdbtk without X.
224 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
227 # Some tools are only suitable for building in a "native" situation.
228 # Remove these if host!=target.
229 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"
231 # Similarly, some are only suitable for cross toolchains.
232 # Remove these if host=target.
233 cross_only="target-libgloss target-newlib target-opcodes"
235 case $is_cross_compiler in
236 no) skipdirs="${skipdirs} ${cross_only}" ;;
237 yes) skipdirs="${skipdirs} ${native_only}" ;;
240 # If both --with-headers and --with-libs are specified, default to
242 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
243 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
244 if test x"${with_newlib}" = x ; then
249 # Recognize --with-newlib/--without-newlib.
250 case ${with_newlib} in
251 no) skipdirs="${skipdirs} target-newlib" ;;
252 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
255 # Configure extra directories which are host specific
259 configdirs="$configdirs libtermcap" ;;
262 # A target can indicate whether a language isn't supported for some reason.
263 # Only spaces may be used in this macro; not newlines or tabs.
264 unsupported_languages=
266 # Remove more programs from consideration, based on the host or
267 # target this usually means that a port of the program doesn't
272 noconfigdirs="$noconfigdirs byacc"
274 i[[3456789]]86-*-vsta)
275 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
277 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
278 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
280 i[[3456789]]86-*-mingw32*)
281 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
282 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
284 i[[3456789]]86-*-beos*)
285 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
288 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
291 noconfigdirs="$noconfigdirs rcs"
294 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
297 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
302 AC_ARG_ENABLE(libada,
303 [ --enable-libada Builds libada directory],
304 ENABLE_LIBADA=$enableval,
306 if test "${ENABLE_LIBADA}" != "yes" ; then
307 noconfigdirs="$noconfigdirs gnattools"
310 AC_ARG_ENABLE(libssp,
311 [ --enable-libssp Builds libssp directory],
312 ENABLE_LIBSSP=$enableval,
315 # Save it here so that, even in case of --enable-libgcj, if the Java
316 # front-end isn't enabled, we still get libgcj disabled.
318 case $enable_libgcj in
320 # If we reset it here, it won't get added to noconfigdirs in the
321 # target-specific build rules, so it will be forcibly enabled
322 # (unless the Java language itself isn't enabled).
326 # Make sure we get it printed in the list of not supported target libs.
327 noconfigdirs="$noconfigdirs ${libgcj}"
332 # Disable libmudflap on some systems.
333 if test x$enable_libmudflap = x ; then
335 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
336 # Enable libmudflap by default in GNU and friends.
339 # Enable libmudflap by default in FreeBSD.
342 # Disable it by default everywhere else.
343 noconfigdirs="$noconfigdirs target-libmudflap"
348 # Disable libgomp on non POSIX hosted systems.
349 if test x$enable_libgomp = x ; then
350 # Enable libgomp by default on hosted POSIX systems.
352 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
354 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
356 *-*-solaris2* | *-*-sysv4* | *-*-irix* | *-*-osf* | *-*-hpux*)
358 *-*-darwin* | *-*-aix*)
361 noconfigdirs="$noconfigdirs target-libgomp"
369 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
372 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
373 noconfigdirs="$noconfigdirs sim target-rda"
376 noconfigdirs="$noconfigdirs ld gas gdb gprof"
377 noconfigdirs="$noconfigdirs sim target-rda"
378 noconfigdirs="$noconfigdirs ${libgcj}"
380 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
381 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
384 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
385 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
386 && test -f /usr/local/include/gmp.h; then
390 # Skip some stuff that's unsupported on some FreeBSD configurations.
395 noconfigdirs="$noconfigdirs ${libgcj}"
400 # Remove unsupported stuff on all kaOS configurations.
401 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
402 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
403 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
404 noconfigdirs="$noconfigdirs target-libgloss"
407 # Skip some stuff on all NetBSD configurations.
408 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
410 # Skip some stuff that's unsupported on some NetBSD configurations.
412 i*86-*-netbsdelf*) ;;
413 arm*-*-netbsdelf*) ;;
415 noconfigdirs="$noconfigdirs ${libgcj}"
420 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
423 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
425 # The tpf target doesn't support gdb yet.
427 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
430 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
433 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
436 # ld works, but does not support shared libraries.
437 # newlib is not 64 bit ready. I'm not sure about fileutils.
438 # gas doesn't generate exception information.
439 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
442 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
445 # newlib is not 64 bit ready
446 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
449 # newlib is not 64 bit ready
450 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
453 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
456 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
458 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
459 noconfigdirs="$noconfigdirs ${libgcj}"
460 noconfigdirs="$noconfigdirs target-examples"
461 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
462 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
463 noconfigdirs="$noconfigdirs expect dejagnu"
464 # the C++ libraries don't build on top of CE's C libraries
465 noconfigdirs="$noconfigdirs target-libstdc++-v3"
466 noconfigdirs="$noconfigdirs target-newlib"
468 *-*-cygwin*) ;; # keep gdb and readline
469 *) noconfigdirs="$noconfigdirs gdb readline"
474 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
478 arm-*-coff | strongarm-*-coff | xscale-*-coff)
479 noconfigdirs="$noconfigdirs ${libgcj}"
481 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
482 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
484 arm*-*-linux-gnueabi)
485 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
486 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
489 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
492 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
495 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
498 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
501 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
504 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
507 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
510 noconfigdirs="$noconfigdirs target-libgloss gdb"
511 if test x${is_cross_compiler} != xno ; then
512 target_configdirs="${target_configdirs} target-bsp target-cygmon"
516 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
518 c54x*-*-* | tic54x-*-*)
519 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
521 cris-*-* | crisv32-*-*)
522 unsupported_languages="$unsupported_languages java"
525 unsupported_languages="$unsupported_languages fortran"
526 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
528 unsupported_languages="$unsupported_languages fortran"
529 noconfigdirs="$noconfigdirs target-boehm-gc";;
531 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
533 unsupported_languages="$unsupported_languages fortran"
534 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
538 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
541 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
544 noconfigdirs="$noconfigdirs ${libgcj} gdb"
547 noconfigdirs="$noconfigdirs ${libgcj} gdb"
550 noconfigdirs="$noconfigdirs ${libgcj}"
553 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
556 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
558 hppa1.1-*-osf* | hppa1.1-*-bsd* )
560 hppa*64*-*-linux* | parisc*64*-*-linux*)
561 # In this case, it's because the hppa64-linux target is for
562 # the kernel only at this point and has no libc, and thus no
563 # headers, crt*.o, etc., all of which are needed by these.
564 noconfigdirs="$noconfigdirs target-zlib"
566 parisc*-*-linux* | hppa*-*-linux*)
572 noconfigdirs="$noconfigdirs ${libgcj}"
575 noconfigdirs="$noconfigdirs ld shellutils"
578 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
579 # build on HP-UX 10.20.
580 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
583 noconfigdirs="$noconfigdirs ${libgcj} gdb"
586 # No gdb support yet.
587 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
590 # No gdb or ld support yet.
591 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
595 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
596 noconfigdirs="$noconfigdirs ${libgcj}"
598 i[[3456789]]86-*-linux*)
599 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
600 # not build java stuff by default.
603 noconfigdirs="$noconfigdirs ${libgcj}";;
606 # This section makes it possible to build newlib natively on linux.
607 # If we are using a cross compiler then don't configure newlib.
608 if test x${is_cross_compiler} != xno ; then
609 noconfigdirs="$noconfigdirs target-newlib"
611 noconfigdirs="$noconfigdirs target-libgloss"
612 # If we are not using a cross compiler, do configure newlib.
613 # Note however, that newlib will only be configured in this situation
614 # if the --with-newlib option has been given, because otherwise
615 # 'target-newlib' will appear in skipdirs.
617 i[[3456789]]86-*-mingw32*)
618 target_configdirs="$target_configdirs target-mingw"
619 noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
621 # Can't build gdb for mingw32 if not native.
623 i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
624 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
629 target_configdirs="$target_configdirs target-libtermcap target-winsup"
630 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
631 # always build newlib if winsup directory is present.
632 if test -d "$srcdir/winsup"; then
633 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
634 elif test -d "$srcdir/newlib"; then
635 echo "Warning: winsup is missing so newlib can't be built."
638 # Can't build gdb for Cygwin if not native.
640 *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
641 *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
645 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
646 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
649 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
651 i[[3456789]]86-*-sco3.2v5*)
652 # The linker does not yet know about weak symbols in COFF,
653 # and is not configured to handle mixed ELF and COFF.
654 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
656 i[[3456789]]86-*-sco*)
657 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
659 i[[3456789]]86-*-solaris2*)
660 noconfigdirs="$noconfigdirs target-libgloss"
662 i[[3456789]]86-*-sysv4*)
663 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
665 i[[3456789]]86-*-beos*)
666 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
668 i[[3456789]]86-*-rdos*)
669 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
672 noconfigdirs="$noconfigdirs ${libgcj}"
674 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
675 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
678 noconfigdirs="$noconfigdirs ${libgcj}"
681 noconfigdirs="$noconfigdirs ${libgcj}"
684 # The EPOC C++ environment does not support exceptions or rtti,
685 # and so building libstdc++-v3 tends not to always work.
686 noconfigdirs="$noconfigdirs target-libstdc++-v3"
689 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
690 unsupported_languages="$unsupported_languages fortran java"
693 noconfigdirs="$noconfigdirs ${libgcj}"
696 noconfigdirs="$noconfigdirs ${libgcj}"
699 noconfigdirs="$noconfigdirs sim"
702 # copied from rs6000-*-* entry
703 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
705 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
706 target_configdirs="$target_configdirs target-winsup"
707 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
708 # always build newlib.
709 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
711 # This is temporary until we can link against shared libraries
712 powerpcle-*-solaris*)
713 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
716 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
719 noconfigdirs="$noconfigdirs ${libgcj}"
721 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
724 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
727 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
730 noconfigdirs="$noconfigdirs gprof ${libgcj}"
733 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
736 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
739 # Linking libjava exceeds command-line length limits on at least
740 # IRIX 6.2, but not on IRIX 6.5.
741 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
742 # <oldham@codesourcery.com>
743 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
746 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
749 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
752 noconfigdirs="$noconfigdirs gprof ${libgcj}" # same as generic mips
755 noconfigdirs="$noconfigdirs target-newlib ${libgcj}"
758 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
761 noconfigdirs="$noconfigdirs gprof ${libgcj}"
764 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
768 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
769 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
770 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
771 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
773 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
776 noconfigdirs="$noconfigdirs ${libgcj}"
779 noconfigdirs="$noconfigdirs ${libgcj}"
782 noconfigdirs="$noconfigdirs ${libgcj}"
785 noconfigdirs="$noconfigdirs ${libgcj}"
786 if test x${is_cross_compiler} != xno ; then
787 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
792 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
793 noconfigdirs="$noconfigdirs ${libgcj}"
795 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
798 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
801 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
804 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
807 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
810 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
813 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
816 noconfigdirs="$noconfigdirs ${libgcj}"
819 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
821 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
822 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
825 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
828 noconfigdirs="$noconfigdirs ${libgcj}"
832 # If we aren't building newlib, then don't build libgloss, since libgloss
833 # depends upon some newlib header files.
834 case "${noconfigdirs}" in
835 *target-libgloss*) ;;
836 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
839 # Work in distributions that contain no compiler tools, like Autoconf.
841 host_makefile_frag=/dev/null
842 if test -d ${srcdir}/config ; then
845 # Avoid "too much defining" errors from HPUX compiler.
846 tentative_cc="cc -Wp,-H256000"
847 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
848 # If it's HP/UX ar, this should be harmless.
852 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
855 #None of the Apollo compilers can compile gas or binutils. The preprocessor
856 # chokes on bfd, the compiler won't let you assign integers to enums, and
857 # other problems. Defining CC to gcc is a questionable way to say "don't use
858 # the apollo compiler" (the preferred version of GCC could be called cc,
859 # or whatever), but I'm not sure leaving CC as cc is any better...
860 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
861 # Used to have BISON=yacc.
865 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
868 # Under CX/UX, we want to tell the compiler to use ANSI mode.
869 tentative_cc="cc -Xa"
870 host_makefile_frag="config/mh-cxux"
875 tentative_cc="cc -Wf,-XNg1000"
876 host_makefile_frag="config/mh-decstation"
879 # The C compiler on NEC MIPS SVR4 needs bigger tables.
880 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
881 host_makefile_frag="config/mh-necv4"
884 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
885 # environment. Also bump switch table size so that cp-parse will
886 # compile. Bump string length limit so linker builds.
887 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
890 host_makefile_frag="config/mh-sysv4"
893 # This is for a MIPS running RISC/os 4.52C.
895 # This is needed for GDB, but needs to be in the top-level make because
896 # if a library is compiled with the bsd headers and gets linked with the
897 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
899 # ptrace(2) apparently has problems in the BSD environment. No workaround is
900 # known except to select the sysv environment. Could we use /proc instead?
901 # These "sysv environments" and "bsd environments" often end up being a pain.
903 # This is not part of CFLAGS because perhaps not all C compilers have this
905 tentative_cc="cc -systype sysv"
910 i[[3456789]]86-*-sysv5*)
911 host_makefile_frag="config/mh-sysv5"
913 i[[3456789]]86-*-dgux*)
914 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
915 host_makefile_frag="config/mh-dgux386"
917 i[[3456789]]86-ncr-sysv4.3*)
918 # The MetaWare compiler will generate a copyright message unless you
919 # turn it off by adding the -Hnocopyr flag.
920 tentative_cc="cc -Hnocopyr"
922 i[[3456789]]86-ncr-sysv4*)
923 # for an NCR 3000 (i486/SVR4) system.
924 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
925 # This compiler not only emits obnoxious copyright messages every time
926 # you run it, but it chokes and dies on a whole bunch of GNU source
927 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
928 tentative_cc="/usr/ccs/ATT/cc"
929 host_makefile_frag="config/mh-ncr3000"
931 i[[3456789]]86-*-sco3.2v5*)
933 i[[3456789]]86-*-sco*)
934 # The native C compiler botches some simple uses of const. Unfortunately,
935 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
936 tentative_cc="cc -Dconst="
937 host_makefile_frag="config/mh-sco"
939 i[[3456789]]86-*-udk*)
940 host_makefile_frag="config/mh-sysv5"
942 i[[3456789]]86-*-solaris2*)
943 host_makefile_frag="config/mh-sysv4"
945 i[[3456789]]86-*-msdosdjgpp*)
946 host_makefile_frag="config/mh-djgpp"
949 host_makefile_frag="config/mh-cygwin"
954 host_makefile_frag="config/mh-interix"
957 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
961 host_makefile_frag="config/mh-solaris"
964 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
965 # without overflowing the jump tables (-J says to use a 32 bit table)
969 tentative_cc="cc -Wp,-H256000"
972 tentative_cc="cc -Wp,-H256000"
975 # /bin/cc is less than useful for our purposes. Always use GCC
976 tentative_cc="/usr/cygnus/progressive/bin/gcc"
977 host_makefile_frag="config/mh-lynxrs6k"
980 host_makefile_frag="config/mh-ppc-darwin"
983 host_makefile_frag="config/mh-ppc-aix"
986 host_makefile_frag="config/mh-ppc-aix"
989 # /bin/cc is less than useful for our purposes. Always use GCC
990 tentative_cc="/bin/gcc"
993 host_makefile_frag="config/mh-sysv4"
995 # This is placed last to prevent interfering with the cases above.
997 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
998 host_makefile_frag="config/mh-x86omitfp"
1003 # If we aren't going to be using gcc, see if we can extract a definition
1004 # of CC from the fragment.
1005 # Actually, use the 'pre-extracted' version above.
1006 if test -z "${CC}" && test "${build}" = "${host}" ; then
1007 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1009 for dir in $PATH; do
1010 test -z "$dir" && dir=.
1011 if test -f $dir/gcc; then
1017 if test -z "${found}" && test -n "${tentative_cc}" ; then
1022 if test "${build}" != "${host}" ; then
1023 # If we are doing a Canadian Cross, in which the host and build systems
1024 # are not the same, we set reasonable default values for the tools.
1026 CC=${CC-${host_alias}-gcc}
1027 CFLAGS=${CFLAGS-"-g -O2"}
1028 CXX=${CXX-${host_alias}-c++}
1029 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1030 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1033 # Set reasonable default values for some tools even if not Canadian.
1034 # Of course, these are different reasonable default values, originally
1035 # specified directly in the Makefile.
1036 # We don't export, so that autoconf can do its job.
1037 # Note that all these settings are above the fragment inclusion point
1038 # in Makefile.in, so can still be overridden by fragments.
1039 # This is all going to change when we autoconfiscate...
1041 CC_FOR_BUILD="\$(CC)"
1044 # We must set the default linker to the linker used by gcc for the correct
1045 # operation of libtool. If LD is not defined and we are using gcc, try to
1046 # set the LD default to the ld used by gcc.
1047 if test -z "$LD"; then
1048 if test "$GCC" = yes; then
1051 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1053 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1055 case $gcc_prog_ld in
1056 # Accept absolute paths.
1057 [[\\/]* | [A-Za-z]:[\\/]*)]
1058 LD="$gcc_prog_ld" ;;
1064 CFLAGS=${CFLAGS-"-g"}
1065 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1069 ACX_PROG_CMP_IGNORE_INITIAL
1071 # Check for GMP and MPFR
1075 # Specify a location for mpfr
1076 # check for this first so it ends up on the link line before gmp.
1077 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH Specify source directory for MPFR library])
1079 if test "x$with_mpfr_dir" != x; then
1080 gmpinc="-I$with_mpfr_dir"
1081 gmplibs="$with_mpfr_dir/libmpfr.a"
1086 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify directory for installed MPFR library])
1088 if test "x$with_mpfr" != x; then
1089 gmplibs="-L$with_mpfr/lib $gmplibs"
1090 gmpinc="-I$with_mpfr/include"
1093 # Specify a location for gmp
1094 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH Specify source directory for GMP library])
1096 if test "x$with_gmp_dir" != x; then
1097 gmpinc="$gmpinc -I$with_gmp_dir"
1098 if test -f "$with_gmp_dir/.libs/libgmp.a"; then
1099 gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
1100 elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
1101 gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
1103 # One of the later tests will catch the error if neither library is present.
1105 gmplibs="$gmplibs -lgmp"
1108 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify directory for installed GMP library])
1110 if test "x$with_gmp" != x; then
1111 gmplibs="-L$with_gmp/lib $gmplibs"
1112 gmpinc="-I$with_gmp/include $gmpinc"
1115 saved_CFLAGS="$CFLAGS"
1116 CFLAGS="$CFLAGS $gmpinc"
1117 # Check GMP actually works
1118 AC_MSG_CHECKING([for correct version of gmp.h])
1119 AC_TRY_COMPILE([#include "gmp.h"],[
1120 #if __GNU_MP_VERSION < 3
1123 ], [AC_MSG_RESULT([yes])],
1124 [AC_MSG_RESULT([no]); have_gmp=no])
1126 if test x"$have_gmp" = xyes; then
1127 AC_MSG_CHECKING([for MPFR])
1130 LIBS="$LIBS $gmplibs"
1131 AC_TRY_LINK([#include <gmp.h>
1132 #include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
1133 [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1136 CFLAGS="$saved_CFLAGS"
1138 # Flags needed for both GMP and/or MPFR
1142 # By default, C is the only stage 1 language.
1144 AC_SUBST(stage1_languages)
1146 # Figure out what language subdirectories are present.
1147 # Look if the user specified --enable-languages="..."; if not, use
1148 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1150 # NB: embedded tabs in this IF block -- do not untabify
1151 if test -d ${srcdir}/gcc; then
1152 if test x"${enable_languages+set}" != xset; then
1153 if test x"${LANGUAGES+set}" = xset; then
1154 enable_languages="${LANGUAGES}"
1155 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1157 enable_languages=all
1160 if test x"${enable_languages}" = x ||
1161 test x"${enable_languages}" = xyes;
1163 echo configure.in: --enable-languages needs at least one language argument 1>&2
1167 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1169 # 'f95' is the old name for the 'fortran' language. We issue a warning
1170 # and make the substitution.
1171 case ,${enable_languages}, in
1173 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1174 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1178 # First scan to see if an enabled language requires some other language.
1179 # We assume that a given config-lang.in will list all the language
1180 # front ends it requires, even if some are required indirectly.
1181 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1182 case ${lang_frag} in
1184 # The odd quoting in the next line works around
1185 # an apparent bug in bash 1.12 on linux.
1186 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1188 # From the config-lang.in, get $language, $lang_requires
1192 for other in ${lang_requires} ; do
1193 case ,${enable_languages}, in
1197 echo " \`$other' language required by \`$language'; enabling" 1>&2
1198 enable_languages="${enable_languages},${other}"
1206 new_enable_languages=c
1207 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1208 potential_languages=c
1210 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1211 case ${lang_frag} in
1213 # The odd quoting in the next line works around
1214 # an apparent bug in bash 1.12 on linux.
1215 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1217 # From the config-lang.in, get $language, $target_libs,
1218 # $lang_dirs, $boot_language, and $build_by_default
1226 potential_languages="${potential_languages},${language}"
1227 # This is quite sensitive to the ordering of the case statement arms.
1228 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1230 echo "${lang_frag} doesn't set \$language." 1>&2
1234 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1237 *,${language},*:*:*:*)
1238 # Language was explicitly selected; include it.
1242 # 'all' was selected, but this is not a default language
1243 # so do not include it.
1247 # 'all' was selected and this is a default language; include it.
1255 # Disable languages that need GMP if it isn't available.
1256 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1257 *,${language},*:no:yes)
1258 # Specifically requested language; tell them.
1259 AC_MSG_ERROR([GMP with MPFR support is required to build $language])
1267 # Disable a language that is unsupported by the target.
1268 case " $unsupported_languages " in
1274 case $add_this_lang in
1276 # Remove language-dependent dirs.
1277 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1280 new_enable_languages="$new_enable_languages,$language"
1281 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1282 case ${boot_language} in
1284 # Add to (comma-separated) list of stage 1 languages.
1285 stage1_languages="${stage1_languages},${language}"
1294 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1295 if test "x$missing_languages" != x; then
1297 The following requested languages could not be built: ${missing_languages}
1298 Recognised languages are: ${potential_languages}])
1301 if test "x$new_enable_languages" != "x$enable_languages"; then
1302 echo The following languages will be built: ${new_enable_languages}
1304 enable_languages="$new_enable_languages"
1305 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1308 # Handle --disable-<component> generically.
1309 for dir in $configdirs $build_configdirs $target_configdirs ; do
1310 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1311 if eval test x\${enable_${dirname}} "=" xno ; then
1312 noconfigdirs="$noconfigdirs $dir"
1316 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1317 # $build_configdirs and $target_configdirs.
1318 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1321 for dir in . $skipdirs $noconfigdirs ; do
1322 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1323 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1324 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1325 if test -r $srcdir/$dirname/configure ; then
1326 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1329 notsupp="$notsupp $dir"
1333 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1334 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1335 if test -r $srcdir/$dirname/configure ; then
1336 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1339 notsupp="$notsupp $dir"
1343 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1344 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1345 if test -r $srcdir/$dirname/configure ; then
1346 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1349 notsupp="$notsupp $dir"
1355 # Sometimes the tools are distributed with libiberty but with no other
1356 # libraries. In that case, we don't want to build target-libiberty.
1357 if test -n "${target_configdirs}" ; then
1359 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1360 if test "$i" != "libiberty" ; then
1361 if test -r $srcdir/$i/configure ; then
1367 if test -z "${others}" ; then
1372 # Quietly strip out all directories which aren't configurable in this tree.
1373 # This relies on all configurable subdirectories being autoconfiscated, which
1375 build_configdirs_all="$build_configdirs"
1377 for i in ${build_configdirs_all} ; do
1378 j=`echo $i | sed -e s/build-//g`
1379 if test -f ${srcdir}/$j/configure ; then
1380 build_configdirs="${build_configdirs} $i"
1384 configdirs_all="$configdirs"
1386 for i in ${configdirs_all} ; do
1387 if test -f ${srcdir}/$i/configure ; then
1388 configdirs="${configdirs} $i"
1392 target_configdirs_all="$target_configdirs"
1394 for i in ${target_configdirs_all} ; do
1395 j=`echo $i | sed -e s/target-//g`
1396 if test -f ${srcdir}/$j/configure ; then
1397 target_configdirs="${target_configdirs} $i"
1401 # Produce a warning message for the subdirs we can't configure.
1402 # This isn't especially interesting in the Cygnus tree, but in the individual
1403 # FSF releases, it's important to let people know when their machine isn't
1404 # supported by the one or two programs in a package.
1406 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1407 # If $appdirs is non-empty, at least one of those directories must still
1408 # be configured, or we error out. (E.g., if the gas release supports a
1409 # specified target in some subdirs but not the gas subdir, we shouldn't
1410 # pretend that all is well.)
1411 if test -n "$appdirs" ; then
1412 for dir in $appdirs ; do
1413 if test -r $dir/Makefile.in ; then
1414 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1418 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1424 if test -n "$appdirs" ; then
1425 echo "*** This configuration is not supported by this package." 1>&2
1429 # Okay, some application will build, or we don't care to check. Still
1430 # notify of subdirs not getting built.
1431 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1432 echo " ${notsupp}" 1>&2
1433 echo " (Any other directories should still work fine.)" 1>&2
1443 AC_ARG_WITH([build-sysroot],
1444 [ --with-build-sysroot=sysroot
1445 use sysroot as the system root during the build],
1446 [if test x"$withval" != x ; then
1447 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1449 [SYSROOT_CFLAGS_FOR_TARGET=])
1450 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1452 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1453 # the named directory are copied to $(tooldir)/sys-include.
1454 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1455 if test x${is_cross_compiler} = xno ; then
1456 echo 1>&2 '***' --with-headers is only supported when cross compiling
1459 if test x"${with_headers}" != xyes ; then
1460 case "${exec_prefixoption}" in
1462 *) x=${exec_prefix} ;;
1464 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1468 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1469 # the name directories are copied to $(tooldir)/lib. Multiple directories
1471 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1472 if test x${is_cross_compiler} = xno ; then
1473 echo 1>&2 '***' --with-libs is only supported when cross compiling
1476 if test x"${with_libs}" != xyes ; then
1477 # Copy the libraries in reverse order, so that files in the first named
1478 # library override files in subsequent libraries.
1479 case "${exec_prefixoption}" in
1481 *) x=${exec_prefix} ;;
1483 for l in ${with_libs}; do
1484 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1489 # Set with_gnu_as and with_gnu_ld as appropriate.
1491 # This is done by determining whether or not the appropriate directory
1492 # is available, and by checking whether or not specific configurations
1493 # have requested that this magic not happen.
1495 # The command line options always override the explicit settings in
1496 # configure.in, and the settings in configure.in override this magic.
1498 # If the default for a toolchain is to use GNU as and ld, and you don't
1499 # want to do that, then you should use the --without-gnu-as and
1500 # --without-gnu-ld options for the configure script.
1502 if test x${use_gnu_as} = x &&
1503 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1505 extra_host_args="$extra_host_args --with-gnu-as"
1508 if test x${use_gnu_ld} = x &&
1509 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1511 extra_host_args="$extra_host_args --with-gnu-ld"
1514 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1515 # can detect this case.
1517 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1519 extra_host_args="$extra_host_args --with-newlib"
1522 # Handle ${copy_dirs}
1523 set fnord ${copy_dirs}
1525 while test $# != 0 ; do
1526 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1529 echo Copying $1 to $2
1531 # Use the install script to create the directory and all required
1532 # parent directories.
1533 if test -d $2 ; then
1537 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1540 # Copy the directory, assuming we have tar.
1541 # FIXME: Should we use B in the second tar? Not all systems support it.
1542 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1544 # It is the responsibility of the user to correctly adjust all
1545 # symlinks. If somebody can figure out how to handle them correctly
1546 # here, feel free to add the code.
1553 # Determine a target-dependent exec_prefix that the installed
1554 # gcc will search in. Keep this list sorted by triplet, with
1555 # the *-*-osname triplets last.
1559 md_exec_prefix=/gnu/lib/gcc-lib
1561 i[34567]86-pc-msdosdjgpp*)
1562 md_exec_prefix=/dev/env/DJDIR/bin
1564 i[34567]86-*-sco3.2v5*)
1565 if test $with_gnu_as = yes; then
1566 md_exec_prefix=/usr/gnu/bin
1568 md_exec_prefix=/usr/ccs/bin/elf
1573 powerpc-*-chorusos* | \
1574 powerpc*-*-eabi* | \
1575 powerpc*-*-sysv* | \
1576 powerpc*-*-kaos* | \
1578 md_exec_prefix=/usr/ccs/bin
1583 md_exec_prefix=/usr/ccs/bin
1598 md_exec_prefix=/usr/ccs/bin
1602 extra_arflags_for_target=
1603 extra_nmflags_for_target=
1604 extra_ranlibflags_for_target=
1605 target_makefile_frag=/dev/null
1608 target_makefile_frag="config/mt-netware"
1610 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1611 target_makefile_frag="config/mt-gnu"
1613 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1614 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1615 # commands to handle both 32-bit and 64-bit objects. These flags are
1616 # harmless if we're using GNU nm or ar.
1617 extra_arflags_for_target=" -X32_64"
1618 extra_nmflags_for_target=" -B -X32_64"
1621 # ranlib from Darwin requires the -c flag to look at common symbols.
1622 extra_ranlibflags_for_target=" -c"
1624 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1625 target_makefile_frag="config/mt-wince"
1629 alphaieee_frag=/dev/null
1632 # This just makes sure to use the -mieee option to build target libs.
1633 # This should probably be set individually by each library.
1634 alphaieee_frag="config/mt-alphaieee"
1638 # If --enable-target-optspace always use -Os instead of -O2 to build
1639 # the target libraries, similarly if it is not specified, use -Os
1640 # on selected platforms.
1641 ospace_frag=/dev/null
1642 case "${enable_target_optspace}:${target}" in
1644 ospace_frag="config/mt-ospace"
1647 ospace_frag="config/mt-d30v"
1649 :m32r-* | :d10v-* | :fr30-*)
1650 ospace_frag="config/mt-ospace"
1655 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1659 # Default to using --with-stabs for certain targets.
1660 if test x${with_stabs} = x ; then
1662 mips*-*-irix[[56]]*)
1664 mips*-*-* | alpha*-*-osf*)
1666 extra_host_args="${extra_host_args} --with-stabs"
1671 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1672 # them automatically.
1675 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1679 # Some systems (e.g., one of the i386-aix systems the gas testers are
1680 # using) don't handle "\$" correctly, so don't use it here.
1681 tooldir='${exec_prefix}'/${target_alias}
1682 build_tooldir=${tooldir}
1684 # Create a .gdbinit file which runs the one in srcdir
1685 # and tells GDB to look there for source files.
1687 if test -r ${srcdir}/.gdbinit ; then
1690 *) cat > ./.gdbinit <<EOF
1694 source ${srcdir}/.gdbinit
1700 # Make sure that the compiler is able to generate an executable. If it
1701 # can't, we are probably in trouble. We don't care whether we can run the
1702 # executable--we might be using a cross compiler--we only care whether it
1703 # can be created. At this point the main configure script has set CC.
1705 echo "int main () { return 0; }" > conftest.c
1706 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1707 if test $? = 0 ; then
1708 if test -s conftest || test -s conftest.exe ; then
1714 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1715 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1722 # The Solaris /usr/ucb/cc compiler does not appear to work.
1724 sparc-sun-solaris2*)
1725 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1726 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1728 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1729 if test -d /opt/cygnus/bin ; then
1730 if test "$could_use" = "" ; then
1731 could_use="/opt/cygnus/bin"
1733 could_use="$could_use or /opt/cygnus/bin"
1736 if test "$could_use" = "" ; then
1737 echo "Warning: compilation may fail because you're using"
1738 echo "/usr/ucb/cc. You should change your PATH or CC "
1739 echo "variable and rerun configure."
1741 echo "Warning: compilation may fail because you're using"
1742 echo "/usr/ucb/cc, when you should use the C compiler from"
1743 echo "$could_use. You should change your"
1744 echo "PATH or CC variable and rerun configure."
1751 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1752 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1753 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1756 # Record target_configdirs and the configure arguments for target and
1757 # build configuration in Makefile.
1758 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1759 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1761 # Determine whether gdb needs tk/tcl or not.
1762 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1763 # and in that case we want gdb to be built without tk. Ugh!
1764 # In fact I believe gdb is the *only* package directly dependent on tk,
1765 # so we should be able to put the 'maybe's in unconditionally and
1766 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1767 # 100% sure that that's safe though.
1769 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1770 case "$enable_gdbtk" in
1774 GDB_TK="${gdb_tk}" ;;
1776 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1777 # distro. Eventually someone will fix this and move Insight, nee
1778 # gdbtk to a separate directory.
1779 if test -d ${srcdir}/gdb/gdbtk ; then
1786 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1787 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1789 # Strip out unwanted targets.
1791 # While at that, we remove Makefiles if we were started for recursive
1792 # configuration, so that the top-level Makefile reconfigures them,
1793 # like we used to do when configure itself was recursive.
1795 # Loop over modules. $extrasub must be used with care, limiting as
1796 # much as possible the usage of range addresses. That's because autoconf
1797 # splits the sed script to overcome limits in the number of commands,
1798 # and relying on carefully-timed sed passes may turn out to be very hard
1799 # to maintain later. In this particular case, you just have to be careful
1800 # not to nest @if/@endif pairs, because configure will not warn you at all.
1802 AC_ARG_ENABLE([bootstrap],
1803 [ --enable-bootstrap Enable bootstrapping [yes if native build]],,
1804 enable_bootstrap=default)
1806 # Issue errors and warnings for invalid/strange bootstrap combinations.
1807 case "$configdirs" in
1808 *gcc*) have_compiler=yes ;;
1809 *) have_compiler=no ;;
1812 case "$have_compiler:$host:$target:$enable_bootstrap" in
1815 # Default behavior. Enable bootstrap if we have a compiler
1816 # and we are in a native configuration.
1817 yes:$build:$build:default)
1818 enable_bootstrap=yes ;;
1821 enable_bootstrap=no ;;
1823 # We have a compiler and we are in a native configuration, bootstrap is ok
1824 yes:$build:$build:yes)
1827 # Other configurations, but we have a compiler. Assume the user knows
1830 AC_MSG_WARN([trying to bootstrap a cross compiler])
1833 # No compiler: if they passed --enable-bootstrap explicitly, fail
1835 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1837 # Fail if wrong command line
1839 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1843 # Adjust the toplevel makefile according to whether bootstrap was selected.
1844 case "$enable_bootstrap" in
1846 bootstrap_suffix=bootstrap ;;
1848 bootstrap_suffix=no-bootstrap ;;
1851 for module in ${build_configdirs} ; do
1852 if test -z "${no_recursion}" \
1853 && test -f ${build_subdir}/${module}/Makefile; then
1854 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1855 rm -f ${build_subdir}/${module}/Makefile
1858 /^@if build-$module\$/d
1859 /^@endif build-$module\$/d
1860 /^@if build-$module-$bootstrap_suffix\$/d
1861 /^@endif build-$module-$bootstrap_suffix\$/d"
1863 for module in ${configdirs} ; do
1864 if test -z "${no_recursion}"; then
1865 for file in stage*-${module}/Makefile ${module}/Makefile; do
1866 if test -f ${file}; then
1867 echo 1>&2 "*** removing ${file} to force reconfigure"
1874 /^@endif $module\$/d
1875 /^@if $module-$bootstrap_suffix\$/d
1876 /^@endif $module-$bootstrap_suffix\$/d"
1878 for module in ${target_configdirs} ; do
1879 if test -z "${no_recursion}" \
1880 && test -f ${target_subdir}/${module}/Makefile; then
1881 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1882 rm -f ${target_subdir}/${module}/Makefile
1885 /^@if target-$module\$/d
1886 /^@endif target-$module\$/d
1887 /^@if target-$module-$bootstrap_suffix\$/d
1888 /^@endif target-$module-$bootstrap_suffix\$/d"
1892 /^@if /,/^@endif /d"
1894 # Create the serialization dependencies. This uses a temporary file.
1896 AC_ARG_ENABLE([serial-configure],
1897 [ --enable-serial-[{host,target,build}-]configure
1898 Force sequential configuration of
1899 sub-packages for the host, target or build
1900 machine, or all sub-packages])
1902 case ${enable_serial_configure} in
1904 enable_serial_build_configure=yes
1905 enable_serial_host_configure=yes
1906 enable_serial_target_configure=yes
1910 # These force 'configure's to be done one at a time, to avoid problems
1911 # with contention over a shared config.cache.
1913 echo '# serdep.tmp' > serdep.tmp
1915 test "x${enable_serial_build_configure}" = xyes &&
1916 for item in ${build_configdirs} ; do
1919 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1924 test "x${enable_serial_host_configure}" = xyes &&
1925 for item in ${configdirs} ; do
1928 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1933 test "x${enable_serial_target_configure}" = xyes &&
1934 for item in ${target_configdirs} ; do
1937 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1941 serialization_dependencies=serdep.tmp
1942 AC_SUBST_FILE(serialization_dependencies)
1944 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1945 # target and nonopt. These are the ones we might not want to pass
1946 # down to subconfigures. Also strip program-prefix, program-suffix,
1947 # and program-transform-name, so that we can pass down a consistent
1948 # program-transform-name. If autoconf has put single quotes around
1949 # any of these arguments (because they contain shell metacharacters)
1950 # then this will fail; in practice this only happens for
1951 # --program-transform-name, so be sure to override --program-transform-name
1952 # at the end of the argument list.
1953 # These will be expanded by make, so quote '$'.
1954 cat <<\EOF_SED > conftestsed
1956 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1957 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1958 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1959 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1960 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
1961 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
1962 s/ -cache-file[[= ]][[^ ]]*//g
1963 s/ -srcdir[[= ]][[^ ]]*//g
1964 s/ -host[[= ]][[^ ]]*//g
1965 s/ -build[[= ]][[^ ]]*//g
1966 s/ -target[[= ]][[^ ]]*//g
1967 s/ -program-prefix[[= ]][[^ ]]*//g
1968 s/ -program-suffix[[= ]][[^ ]]*//g
1969 s/ -program-transform-name[[= ]][[^ ]]*//g
1970 s/ [[^' -][^ ]*] / /
1974 sed -f conftestsed <<EOF_SED > conftestsed.out
1975 ${ac_configure_args}
1977 baseargs=`cat conftestsed.out`
1978 rm -f conftestsed conftestsed.out
1980 # Add in --program-transform-name, after --program-prefix and
1981 # --program-suffix have been applied to it. Autoconf has already
1982 # doubled dollar signs and backslashes in program_transform_name; we want
1983 # the backslashes un-doubled, and then the entire thing wrapped in single
1984 # quotes, because this will be expanded first by make and then by the shell.
1985 # Also, because we want to override the logic in subdir configure scripts to
1986 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1987 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1988 ${program_transform_name}
1990 gcc_transform_name=`cat conftestsed.out`
1991 rm -f conftestsed.out
1992 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1994 # For the build-side libraries, we just need to pretend we're native,
1995 # and not use the same cache file. Multilibs are neither needed nor
1997 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
1999 # For host modules, accept cache file option, or specification as blank.
2000 case "${cache_file}" in
2002 cache_file_option="" ;;
2003 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2004 cache_file_option="--cache-file=${cache_file}" ;;
2006 cache_file_option="--cache-file=../${cache_file}" ;;
2009 # Host dirs don't like to share a cache file either, horribly enough.
2010 # This seems to be due to autoconf 2.5x stupidity.
2011 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
2013 target_configargs=${baseargs}
2015 # Passing a --with-cross-host argument lets the target libraries know
2016 # whether they are being built with a cross-compiler or being built
2017 # native. However, it would be better to use other mechanisms to make the
2018 # sorts of decisions they want to make on this basis. Please consider
2019 # this option to be deprecated. FIXME.
2020 if test x${is_cross_compiler} = xyes ; then
2021 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
2024 # Default to --enable-multilib.
2025 if test x${enable_multilib} = x ; then
2026 target_configargs="--enable-multilib ${target_configargs}"
2029 # Pass --with-newlib if appropriate. Note that target_configdirs has
2030 # changed from the earlier setting of with_newlib.
2031 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2032 target_configargs="--with-newlib ${target_configargs}"
2035 # Different target subdirs use different values of certain variables
2036 # (notably CXX). Worse, multilibs use *lots* of different values.
2037 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2038 # it doesn't automatically accept command-line overrides of them.
2039 # This means it's not safe for target subdirs to share a cache file,
2040 # which is disgusting, but there you have it. Hopefully this can be
2041 # fixed in future. It's still worthwhile to use a cache file for each
2042 # directory. I think.
2044 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2045 # We need to pass --target, as newer autoconf's requires consistency
2046 # for target_alias and gcc doesn't manage it consistently.
2047 target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
2050 case " $target_configdirs " in
2052 case " $target_configargs " in
2053 *" --with-newlib "*)
2056 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 $$s/winsup/w32api/include' ;;
2059 # If we're not building GCC, don't discard standard headers.
2060 if test -d ${srcdir}/gcc; then
2061 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2063 if test "${build}" != "${host}"; then
2064 # On Canadian crosses, CC_FOR_TARGET will have already been set
2065 # by `configure', so we won't have an opportunity to add -Bgcc/
2066 # to it. This is right: we don't want to search that directory
2067 # for binaries, but we want the header files in there, so add
2069 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2071 # Someone might think of using the pre-installed headers on
2072 # Canadian crosses, in case the installed compiler is not fully
2073 # compatible with the compiler being built. In this case, it
2074 # would be better to flag an error than risking having
2075 # incompatible object files being constructed. We can't
2076 # guarantee that an error will be flagged, but let's hope the
2077 # compiler will do it, when presented with incompatible header
2082 case "${target}-${is_cross_compiler}" in
2083 i[[3456789]]86-*-linux*-no)
2084 # Here host == target, so we don't need to build gcc,
2085 # so we don't want to discard standard headers.
2086 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2089 # If we're building newlib, use its generic headers last, but search
2090 # for any libc-related directories first (so make it the last -B
2092 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2100 # Allow the user to override the flags for
2101 # our build compiler if desired.
2102 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2104 # On Canadian crosses, we'll be searching the right directories for
2105 # the previously-installed cross compiler, so don't bother to add
2106 # flags for directories within the install tree of the compiler
2107 # being built; programs in there won't even run.
2108 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2109 # Search for pre-installed headers if nothing else fits.
2110 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2113 if test "x${use_gnu_ld}" = x &&
2114 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2115 # Arrange for us to find uninstalled linker scripts.
2116 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2119 # Search for other target-specific linker scripts and such.
2122 if test -d ${srcdir}/libgloss/m32c; then
2123 # This is for crt0.o
2124 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2125 # This is for r8c.ld
2126 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2127 # This is for libnosys.a
2128 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2133 # Makefile fragments.
2134 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2136 eval fragval=\$$frag
2137 if test $fragval != /dev/null; then
2138 eval $frag=${srcdir}/$fragval
2141 AC_SUBST_FILE(host_makefile_frag)
2142 AC_SUBST_FILE(target_makefile_frag)
2143 AC_SUBST_FILE(alphaieee_frag)
2144 AC_SUBST_FILE(ospace_frag)
2146 # Miscellanea: directories, flags, etc.
2147 AC_SUBST(RPATH_ENVVAR)
2149 AC_SUBST(build_tooldir)
2150 AC_SUBST(CONFIGURE_GDB_TK)
2152 AC_SUBST(INSTALL_GDB_TK)
2154 # Build module lists & subconfigure args.
2155 AC_SUBST(build_configargs)
2156 AC_SUBST(build_configdirs)
2158 # Host module lists & subconfigure args.
2159 AC_SUBST(host_configargs)
2160 AC_SUBST(configdirs)
2162 # Target module lists & subconfigure args.
2163 AC_SUBST(target_configargs)
2167 AC_SUBST(CC_FOR_BUILD)
2168 AC_SUBST(config_shell)
2170 # Generate default definitions for YACC, M4, LEX and other programs that run
2171 # on the build machine. These are used if the Makefile can't locate these
2172 # programs in objdir.
2173 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2175 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2176 case " $build_configdirs " in
2177 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2178 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2181 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2182 case " $build_configdirs " in
2183 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2186 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2187 case " $build_configdirs " in
2188 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2191 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2192 case " $build_configdirs " in
2193 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2194 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2197 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2198 case " $build_configdirs " in
2199 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2202 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2203 case " $build_configdirs " in
2204 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2207 # For an installed makeinfo, we require it to be from texinfo 4.4 or
2208 # higher, else we use the "missing" dummy.
2209 if ${MAKEINFO} --version \
2210 | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
2213 MAKEINFO="$MISSING makeinfo"
2219 # FIXME: expect and dejagnu may become build tools?
2221 AC_CHECK_PROGS(EXPECT, expect, expect)
2222 case " $configdirs " in
2224 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2228 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2229 case " $configdirs " in
2231 test $host = $build && RUNTEST='$$r/$(HOST_SUBDIR)/dejagnu/runtest'
2237 NCN_STRICT_CHECK_TOOLS(AR, ar)
2238 NCN_STRICT_CHECK_TOOLS(AS, as)
2239 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2240 NCN_STRICT_CHECK_TOOLS(LD, ld)
2241 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2242 NCN_STRICT_CHECK_TOOLS(NM, nm)
2243 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2244 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2245 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2246 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2247 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2251 AC_SUBST(CFLAGS_FOR_BUILD)
2255 AC_ARG_WITH([build-time-tools],
2256 [ --with-build-time-tools=path
2257 use given path to find target tools during the build],
2258 [case x"$withval" in
2261 with_build_time_tools=
2262 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2265 [with_build_time_tools=])
2267 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2268 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2269 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2270 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2271 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2273 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2274 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2275 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2276 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2277 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2278 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2279 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2280 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2281 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2282 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2284 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2286 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2287 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2288 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2289 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2290 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2292 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2293 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2295 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2296 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2297 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2298 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2299 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2300 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2301 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2302 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2303 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2304 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2305 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2306 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2307 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2309 AC_SUBST(FLAGS_FOR_TARGET)
2310 AC_SUBST(RAW_CXX_FOR_TARGET)
2312 # Certain tools may need extra flags.
2313 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2314 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2315 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2317 # When building target libraries, except in a Canadian cross, we use
2318 # the same toolchain as the compiler we just built.
2319 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2320 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2321 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2322 if test $host = $build; then
2323 case " $configdirs " in
2325 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2326 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2327 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2332 AC_SUBST(COMPILER_AS_FOR_TARGET)
2333 AC_SUBST(COMPILER_LD_FOR_TARGET)
2334 AC_SUBST(COMPILER_NM_FOR_TARGET)
2336 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2337 AC_ARG_ENABLE(maintainer-mode,
2338 [ --enable-maintainer-mode enable make rules and dependencies not useful
2339 (and sometimes confusing) to the casual installer],
2340 USE_MAINTAINER_MODE=$enableval,
2341 USE_MAINTAINER_MODE=no)
2342 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2343 AC_SUBST(MAINTAINER_MODE_TRUE)
2344 AC_SUBST(MAINTAINER_MODE_FALSE)
2345 if test "$USE_MAINTAINER_MODE" = yes; then
2346 MAINTAINER_MODE_TRUE=
2347 MAINTAINER_MODE_FALSE='#'
2349 MAINTAINER_MODE_TRUE='#'
2350 MAINTAINER_MODE_FALSE=
2352 MAINT=$MAINTAINER_MODE_TRUE
2355 # ---------------------
2356 # GCC bootstrap support
2357 # ---------------------
2359 # Stage specific cflags for build.
2364 yes) stage1_cflags="-g -Wa,-J" ;;
2365 *) stage1_cflags="-g -J" ;;
2368 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2369 # sources; use -no-cpp-precomp to get to GNU cpp.
2370 # Apple's GCC has bugs in designated initializer handling, so disable
2372 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2375 AC_SUBST(stage1_cflags)
2377 # Enable -Werror in bootstrap stage2 and later.
2378 # Change the default to "no" on release branches.
2379 AC_ARG_ENABLE(werror,
2380 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2381 [enable_werror=yes])
2382 case ${enable_werror} in
2383 yes) stage2_werror_flag="--enable-werror-always" ;;
2384 *) stage2_werror_flag="" ;;
2386 AC_SUBST(stage2_werror_flag)