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 \
141 # these libraries are built for the target environment, and are built after
142 # the host libraries and the host tools (which may be a cross compiler)
144 target_libraries="target-libiberty \
148 target-libstdc++-v3 \
158 # these tools are built using the target libraries, and are intended to
159 # run only in the target environment
161 # note: any program that *uses* libraries that are in the "target_libraries"
162 # list belongs in this list. those programs are also very likely
163 # candidates for the "native_only" list which follows
165 target_tools="target-examples target-groff target-gperf target-rda"
167 ################################################################################
169 ## All tools belong in one of the four categories, and are assigned above
170 ## We assign ${configdirs} this way to remove all embedded newlines. This
171 ## is important because configure will choke if they ever get through.
172 ## ${configdirs} is directories we build using the host tools.
173 ## ${target_configdirs} is directories we build using the target tools.
174 configdirs=`echo ${host_libs} ${host_tools}`
175 target_configdirs=`echo ${target_libraries} ${target_tools}`
176 build_configdirs=`echo ${build_libs} ${build_tools}`
178 ################################################################################
180 srcname="gnu development package"
182 # This gets set non-empty for some net releases of packages.
185 # Define is_cross_compiler to save on calls to 'test'.
187 if test x"${host}" = x"${target}" ; then
190 is_cross_compiler=yes
193 # Find the build and target subdir names.
196 # Skipdirs are removed silently.
198 # Noconfigdirs are removed loudly.
202 # Make sure we don't let GNU ld be added if we didn't want it.
203 if test x$with_gnu_ld = xno ; then
205 noconfigdirs="$noconfigdirs ld"
209 # Make sure we don't let GNU as be added if we didn't want it.
210 if test x$with_gnu_as = xno ; then
212 noconfigdirs="$noconfigdirs gas"
215 # some tools are so dependent upon X11 that if we're not building with X,
216 # it's not even worth trying to configure, much less build, that tool.
219 yes | "") ;; # the default value for this tree is that X11 is available
221 skipdirs="${skipdirs} tk itcl libgui"
222 # We won't be able to build gdbtk without X.
225 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
228 # Some tools are only suitable for building in a "native" situation.
229 # Remove these if host!=target.
230 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
232 # Similarly, some are only suitable for cross toolchains.
233 # Remove these if host=target.
234 cross_only="target-libgloss target-newlib target-opcodes"
236 case $is_cross_compiler in
237 no) skipdirs="${skipdirs} ${cross_only}" ;;
238 yes) skipdirs="${skipdirs} ${native_only}" ;;
241 # If both --with-headers and --with-libs are specified, default to
243 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
244 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
245 if test x"${with_newlib}" = x ; then
250 # Recognize --with-newlib/--without-newlib.
251 case ${with_newlib} in
252 no) skipdirs="${skipdirs} target-newlib" ;;
253 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
256 # Configure extra directories which are host specific
260 configdirs="$configdirs libtermcap" ;;
263 # A target can indicate whether a language isn't supported for some reason.
264 # Only spaces may be used in this macro; not newlines or tabs.
265 unsupported_languages=
267 # Remove more programs from consideration, based on the host or
268 # target this usually means that a port of the program doesn't
273 noconfigdirs="$noconfigdirs byacc"
275 i[[3456789]]86-*-vsta)
276 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
278 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
279 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
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 newlib"
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 # Save it here so that, even in case of --enable-libgcj, if the Java
317 # front-end isn't enabled, we still get libgcj disabled.
319 case $enable_libgcj in
321 # If we reset it here, it won't get added to noconfigdirs in the
322 # target-specific build rules, so it will be forcibly enabled
323 # (unless the Java language itself isn't enabled).
327 # Make sure we get it printed in the list of not supported target libs.
328 noconfigdirs="$noconfigdirs ${libgcj}"
333 # Disable libmudflap on some systems.
334 if test x$enable_libmudflap = x ; then
336 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
337 # Enable libmudflap by default in GNU and friends.
340 # Enable libmudflap by default in FreeBSD.
343 # Disable it by default everywhere else.
344 noconfigdirs="$noconfigdirs target-libmudflap"
349 # Disable libgomp on non POSIX hosted systems.
350 if test x$enable_libgomp = x ; then
351 # Enable libgomp by default on hosted POSIX systems.
353 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
355 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
357 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
359 *-*-darwin* | *-*-aix*)
362 noconfigdirs="$noconfigdirs target-libgomp"
370 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
372 powerpc-*-darwin* | i[[3456789]]86-*-darwin*)
373 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
374 noconfigdirs="$noconfigdirs sim target-rda"
377 noconfigdirs="$noconfigdirs ld gas gdb gprof"
378 noconfigdirs="$noconfigdirs sim target-rda"
379 noconfigdirs="$noconfigdirs ${libgcj}"
381 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
382 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
385 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
386 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
387 && test -f /usr/local/include/gmp.h; then
391 # Skip some stuff that's unsupported on some FreeBSD configurations.
396 noconfigdirs="$noconfigdirs ${libgcj}"
401 # Remove unsupported stuff on all kaOS configurations.
402 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
403 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
404 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
405 noconfigdirs="$noconfigdirs target-libgloss"
408 # Skip some stuff on all NetBSD configurations.
409 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
411 # Skip some stuff that's unsupported on some NetBSD configurations.
413 i*86-*-netbsdelf*) ;;
414 arm*-*-netbsdelf*) ;;
416 noconfigdirs="$noconfigdirs ${libgcj}"
421 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
424 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
426 # The tpf target doesn't support gdb yet.
428 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
431 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
434 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
437 # ld works, but does not support shared libraries.
438 # newlib is not 64 bit ready. I'm not sure about fileutils.
439 # gas doesn't generate exception information.
440 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
443 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
446 # newlib is not 64 bit ready
447 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
450 # newlib is not 64 bit ready
451 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
454 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
457 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
459 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
460 noconfigdirs="$noconfigdirs ${libgcj}"
461 noconfigdirs="$noconfigdirs target-examples"
462 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
463 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
464 noconfigdirs="$noconfigdirs expect dejagnu"
465 # the C++ libraries don't build on top of CE's C libraries
466 noconfigdirs="$noconfigdirs target-libstdc++-v3"
467 noconfigdirs="$noconfigdirs target-newlib"
469 *-*-cygwin*) ;; # keep gdb and readline
470 *) noconfigdirs="$noconfigdirs gdb readline"
475 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
479 arm-*-coff | strongarm-*-coff | xscale-*-coff)
480 noconfigdirs="$noconfigdirs ${libgcj}"
482 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
483 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
485 arm*-*-linux-gnueabi)
486 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
487 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
490 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
493 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
496 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
499 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
502 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
505 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
508 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
511 noconfigdirs="$noconfigdirs gdb"
512 if test x${is_cross_compiler} != xno ; then
513 target_configdirs="${target_configdirs} target-bsp target-cygmon"
517 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
519 c54x*-*-* | tic54x-*-*)
520 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
522 cris-*-* | crisv32-*-*)
523 unsupported_languages="$unsupported_languages java"
526 unsupported_languages="$unsupported_languages fortran"
527 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
529 unsupported_languages="$unsupported_languages fortran"
530 noconfigdirs="$noconfigdirs target-boehm-gc";;
532 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
534 unsupported_languages="$unsupported_languages fortran"
535 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
539 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
542 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
545 noconfigdirs="$noconfigdirs ${libgcj} gdb"
548 noconfigdirs="$noconfigdirs ${libgcj} gdb"
551 noconfigdirs="$noconfigdirs ${libgcj}"
554 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
557 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
559 hppa1.1-*-osf* | hppa1.1-*-bsd* )
561 hppa*64*-*-linux* | parisc*64*-*-linux*)
562 # In this case, it's because the hppa64-linux target is for
563 # the kernel only at this point and has no libc, and thus no
564 # headers, crt*.o, etc., all of which are needed by these.
565 noconfigdirs="$noconfigdirs target-zlib"
567 parisc*-*-linux* | hppa*-*-linux*)
573 noconfigdirs="$noconfigdirs ${libgcj}"
576 noconfigdirs="$noconfigdirs ld shellutils"
579 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
580 # build on HP-UX 10.20.
581 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
584 noconfigdirs="$noconfigdirs ${libgcj} gdb"
587 # No gdb support yet.
588 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
591 # No gdb or ld support yet.
592 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
596 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
597 noconfigdirs="$noconfigdirs ${libgcj}"
599 i[[3456789]]86-*-linux*)
600 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
601 # not build java stuff by default.
604 noconfigdirs="$noconfigdirs ${libgcj}";;
607 # This section makes it possible to build newlib natively on linux.
608 # If we are using a cross compiler then don't configure newlib.
609 if test x${is_cross_compiler} != xno ; then
610 noconfigdirs="$noconfigdirs target-newlib"
612 noconfigdirs="$noconfigdirs target-libgloss"
613 # If we are not using a cross compiler, do configure newlib.
614 # Note however, that newlib will only be configured in this situation
615 # if the --with-newlib option has been given, because otherwise
616 # 'target-newlib' will appear in skipdirs.
618 i[[3456789]]86-*-mingw32*)
619 target_configdirs="$target_configdirs target-winsup"
620 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
623 target_configdirs="$target_configdirs target-libtermcap target-winsup"
624 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
625 # always build newlib if winsup directory is present.
626 if test -d "$srcdir/winsup/cygwin"; then
627 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
628 elif test -d "$srcdir/newlib"; then
629 echo "Warning: winsup/cygwin is missing so newlib can't be built."
632 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
633 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
636 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
638 i[[3456789]]86-*-sco3.2v5*)
639 # The linker does not yet know about weak symbols in COFF,
640 # and is not configured to handle mixed ELF and COFF.
641 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
643 i[[3456789]]86-*-sco*)
644 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
646 i[[3456789]]86-*-solaris2*)
647 noconfigdirs="$noconfigdirs target-libgloss"
649 i[[3456789]]86-*-sysv4*)
650 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
652 i[[3456789]]86-*-beos*)
653 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
655 i[[3456789]]86-*-rdos*)
656 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
659 noconfigdirs="$noconfigdirs ${libgcj}"
661 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
662 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
665 noconfigdirs="$noconfigdirs ${libgcj}"
668 noconfigdirs="$noconfigdirs ${libgcj}"
671 # The EPOC C++ environment does not support exceptions or rtti,
672 # and so building libstdc++-v3 tends not to always work.
673 noconfigdirs="$noconfigdirs target-libstdc++-v3"
676 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
677 unsupported_languages="$unsupported_languages fortran java"
680 noconfigdirs="$noconfigdirs ${libgcj}"
683 noconfigdirs="$noconfigdirs ${libgcj}"
686 noconfigdirs="$noconfigdirs sim"
689 # copied from rs6000-*-* entry
690 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
692 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
693 target_configdirs="$target_configdirs target-winsup"
694 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
695 # always build newlib.
696 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
698 # This is temporary until we can link against shared libraries
699 powerpcle-*-solaris*)
700 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
703 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
706 noconfigdirs="$noconfigdirs ${libgcj}"
708 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
711 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
714 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
717 noconfigdirs="$noconfigdirs gprof ${libgcj}"
720 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
723 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
726 # Linking libjava exceeds command-line length limits on at least
727 # IRIX 6.2, but not on IRIX 6.5.
728 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
729 # <oldham@codesourcery.com>
730 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
733 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
736 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
739 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
742 noconfigdirs="$noconfigdirs gprof ${libgcj}"
745 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
749 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
750 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
751 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
752 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
754 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
757 noconfigdirs="$noconfigdirs ${libgcj}"
760 noconfigdirs="$noconfigdirs ${libgcj}"
763 noconfigdirs="$noconfigdirs ${libgcj}"
766 noconfigdirs="$noconfigdirs ${libgcj}"
767 if test x${is_cross_compiler} != xno ; then
768 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
773 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
774 noconfigdirs="$noconfigdirs ${libgcj}"
776 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
779 skipdirs="target-libssp"
782 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
785 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
788 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
791 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
794 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
797 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
800 noconfigdirs="$noconfigdirs ${libgcj}"
803 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
805 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
806 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
809 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
812 noconfigdirs="$noconfigdirs ${libgcj}"
816 # If we aren't building newlib, then don't build libgloss, since libgloss
817 # depends upon some newlib header files.
818 case "${noconfigdirs}" in
819 *target-libgloss*) ;;
820 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
823 # Work in distributions that contain no compiler tools, like Autoconf.
825 host_makefile_frag=/dev/null
826 if test -d ${srcdir}/config ; then
829 # Avoid "too much defining" errors from HPUX compiler.
830 tentative_cc="cc -Wp,-H256000"
831 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
832 # If it's HP/UX ar, this should be harmless.
836 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
839 #None of the Apollo compilers can compile gas or binutils. The preprocessor
840 # chokes on bfd, the compiler won't let you assign integers to enums, and
841 # other problems. Defining CC to gcc is a questionable way to say "don't use
842 # the apollo compiler" (the preferred version of GCC could be called cc,
843 # or whatever), but I'm not sure leaving CC as cc is any better...
844 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
845 # Used to have BISON=yacc.
849 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
852 # Under CX/UX, we want to tell the compiler to use ANSI mode.
853 tentative_cc="cc -Xa"
854 host_makefile_frag="config/mh-cxux"
859 tentative_cc="cc -Wf,-XNg1000"
860 host_makefile_frag="config/mh-decstation"
863 # The C compiler on NEC MIPS SVR4 needs bigger tables.
864 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
865 host_makefile_frag="config/mh-necv4"
868 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
869 # environment. Also bump switch table size so that cp-parse will
870 # compile. Bump string length limit so linker builds.
871 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
874 host_makefile_frag="config/mh-sysv4"
877 # This is for a MIPS running RISC/os 4.52C.
879 # This is needed for GDB, but needs to be in the top-level make because
880 # if a library is compiled with the bsd headers and gets linked with the
881 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
883 # ptrace(2) apparently has problems in the BSD environment. No workaround is
884 # known except to select the sysv environment. Could we use /proc instead?
885 # These "sysv environments" and "bsd environments" often end up being a pain.
887 # This is not part of CFLAGS because perhaps not all C compilers have this
889 tentative_cc="cc -systype sysv"
894 i[[3456789]]86-*-sysv5*)
895 host_makefile_frag="config/mh-sysv5"
897 i[[3456789]]86-*-dgux*)
898 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
899 host_makefile_frag="config/mh-dgux386"
901 i[[3456789]]86-ncr-sysv4.3*)
902 # The MetaWare compiler will generate a copyright message unless you
903 # turn it off by adding the -Hnocopyr flag.
904 tentative_cc="cc -Hnocopyr"
906 i[[3456789]]86-ncr-sysv4*)
907 # for an NCR 3000 (i486/SVR4) system.
908 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
909 # This compiler not only emits obnoxious copyright messages every time
910 # you run it, but it chokes and dies on a whole bunch of GNU source
911 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
912 tentative_cc="/usr/ccs/ATT/cc"
913 host_makefile_frag="config/mh-ncr3000"
915 i[[3456789]]86-*-sco3.2v5*)
917 i[[3456789]]86-*-sco*)
918 # The native C compiler botches some simple uses of const. Unfortunately,
919 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
920 tentative_cc="cc -Dconst="
921 host_makefile_frag="config/mh-sco"
923 i[[3456789]]86-*-udk*)
924 host_makefile_frag="config/mh-sysv5"
926 i[[3456789]]86-*-solaris2*)
927 host_makefile_frag="config/mh-sysv4"
929 i[[3456789]]86-*-msdosdjgpp*)
930 host_makefile_frag="config/mh-djgpp"
933 host_makefile_frag="config/mh-cygwin"
938 host_makefile_frag="config/mh-interix"
941 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
945 host_makefile_frag="config/mh-solaris"
948 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
949 # without overflowing the jump tables (-J says to use a 32 bit table)
953 tentative_cc="cc -Wp,-H256000"
956 tentative_cc="cc -Wp,-H256000"
959 # /bin/cc is less than useful for our purposes. Always use GCC
960 tentative_cc="/usr/cygnus/progressive/bin/gcc"
961 host_makefile_frag="config/mh-lynxrs6k"
964 host_makefile_frag="config/mh-ppc-darwin"
967 host_makefile_frag="config/mh-ppc-aix"
970 host_makefile_frag="config/mh-ppc-aix"
973 # /bin/cc is less than useful for our purposes. Always use GCC
974 tentative_cc="/bin/gcc"
977 host_makefile_frag="config/mh-sysv4"
979 # This is placed last to prevent interfering with the cases above.
981 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
982 host_makefile_frag="config/mh-x86omitfp"
987 # If we aren't going to be using gcc, see if we can extract a definition
988 # of CC from the fragment.
989 # Actually, use the 'pre-extracted' version above.
990 if test -z "${CC}" && test "${build}" = "${host}" ; then
991 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
994 test -z "$dir" && dir=.
995 if test -f $dir/gcc; then
1001 if test -z "${found}" && test -n "${tentative_cc}" ; then
1006 if test "${build}" != "${host}" ; then
1007 # If we are doing a Canadian Cross, in which the host and build systems
1008 # are not the same, we set reasonable default values for the tools.
1010 CC=${CC-${host_alias}-gcc}
1011 CFLAGS=${CFLAGS-"-g -O2"}
1012 CXX=${CXX-${host_alias}-c++}
1013 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1014 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1017 # Set reasonable default values for some tools even if not Canadian.
1018 # Of course, these are different reasonable default values, originally
1019 # specified directly in the Makefile.
1020 # We don't export, so that autoconf can do its job.
1021 # Note that all these settings are above the fragment inclusion point
1022 # in Makefile.in, so can still be overridden by fragments.
1023 # This is all going to change when we autoconfiscate...
1025 CC_FOR_BUILD="\$(CC)"
1028 # We must set the default linker to the linker used by gcc for the correct
1029 # operation of libtool. If LD is not defined and we are using gcc, try to
1030 # set the LD default to the ld used by gcc.
1031 if test -z "$LD"; then
1032 if test "$GCC" = yes; then
1035 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1037 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1039 case $gcc_prog_ld in
1040 # Accept absolute paths.
1041 [[\\/]* | [A-Za-z]:[\\/]*)]
1042 LD="$gcc_prog_ld" ;;
1048 CFLAGS=${CFLAGS-"-g"}
1049 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1053 ACX_PROG_CMP_IGNORE_INITIAL
1055 # Check for GMP and MPFR
1059 # Specify a location for mpfr
1060 # check for this first so it ends up on the link line before gmp.
1061 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH This option has been REMOVED],
1062 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1063 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1065 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify prefix directory for installed MPFR package
1066 Equivalent to --with-mpfr-include=PATH/include
1067 plus --with-mpfr-lib=PATH/lib])
1068 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1069 Specify directory for installed MPFR include files])
1070 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH Specify the directory for the installed MPFR library])
1072 if test "x$with_mpfr" != x; then
1073 gmplibs="-L$with_mpfr/lib $gmplibs"
1074 gmpinc="-I$with_mpfr/include"
1076 if test "x$with_mpfr_include" != x; then
1077 gmpinc="-I$with_mpfr_include"
1079 if test "x$with_mpfr_lib" != x; then
1080 gmplibs="-L$with_mpfr_lib $gmplibs"
1083 # Specify a location for gmp
1084 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH This option has been REMOVED],
1085 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1086 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1088 gmplibs="$gmplibs -lgmp"
1090 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify prefix directory for the installed GMP package
1091 Equivalent to --with-gmp-include=PATH/include
1092 plus --with-gmp-lib=PATH/lib])
1093 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH Specify directory for installed GMP include files])
1094 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH Specify the directory for the installed GMP library])
1097 if test "x$with_gmp" != x; then
1098 gmplibs="-L$with_gmp/lib $gmplibs"
1099 gmpinc="-I$with_gmp/include $gmpinc"
1101 if test "x$with_gmp_include" != x; then
1102 gmpinc="-I$with_gmp_include $gmpinc"
1104 if test "x$with_gmp_lib" != x; then
1105 gmplibs="-L$with_gmp_lib $gmplibs"
1108 saved_CFLAGS="$CFLAGS"
1109 CFLAGS="$CFLAGS $gmpinc"
1110 # Check GMP actually works
1111 AC_MSG_CHECKING([for correct version of gmp.h])
1112 AC_TRY_COMPILE([#include "gmp.h"],[
1113 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
1116 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1118 if test x"$have_gmp" = xyes; then
1120 LIBS="$LIBS $gmplibs"
1121 dnl MPFR 2.2.0 is acceptable but buggy, MPFR 2.2.1 is better.
1122 AC_MSG_CHECKING([for correct version of mpfr.h])
1123 AC_TRY_LINK([#include <gmp.h>
1124 #include <mpfr.h>],[
1125 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,0)
1128 mpfr_t n; mpfr_init(n);
1129 ], [AC_TRY_LINK([#include <gmp.h>
1130 #include <mpfr.h>],[
1131 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
1134 mpfr_t n; mpfr_init(n);
1135 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1136 [AC_MSG_RESULT([no]); have_gmp=no])
1139 CFLAGS="$saved_CFLAGS"
1141 if test -d ${srcdir}/gcc && test x$have_gmp != xyes; then
1142 AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2.1+.
1143 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1144 Copies of these libraries' source code can be found at their respective
1145 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1146 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1147 If you obtained GMP and/or MPFR from a vendor distribution package, make
1148 sure that you have installed both the libraries and the header files.
1149 They may be located in separate packages.])
1152 # Flags needed for both GMP and/or MPFR
1156 # By default, C is the only stage 1 language.
1157 stage1_languages=,c,
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
1237 build_by_default=yes
1239 if test x${language} = x; then
1240 echo "${lang_frag} doesn't set \$language." 1>&2
1244 case ,${enable_languages}, in
1246 # Language was explicitly selected; include it.
1250 # 'all' was selected, select it if it is a default language
1251 add_this_lang=${build_by_default}
1258 # Disable languages that need other directories if these aren't available.
1259 for i in $subdir_requires; do
1260 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1261 case ,${enable_languages}, in
1263 # Specifically requested language; tell them.
1264 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1268 add_this_lang=unsupported
1273 # Disable Ada if no preexisting GNAT is available.
1274 case ,${enable_languages},:${language}:${have_gnat} in
1275 *,${language},*:ada:no)
1276 # Specifically requested language; tell them.
1277 AC_MSG_ERROR([GNAT is required to build $language])
1281 add_this_lang=unsupported
1285 # Disable a language that is unsupported by the target.
1286 case " $unsupported_languages " in
1288 add_this_lang=unsupported
1292 case $add_this_lang in
1294 # Remove language-dependent dirs.
1295 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1298 # Remove language-dependent dirs; still show language as supported.
1299 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1300 potential_languages="${potential_languages}${language},"
1303 new_enable_languages="${new_enable_languages}${language},"
1304 potential_languages="${potential_languages}${language},"
1305 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1306 case ${boot_language} in
1308 # Add to (comma-separated) list of stage 1 languages.
1309 stage1_languages="${stage1_languages}${language},"
1318 AC_ARG_ENABLE(stage1-languages,
1319 [ --enable-stage1-languages[=all] choose additional languages to build during
1320 stage1. Mostly useful for compiler development.],
1321 [case ,${enable_stage1_languages}, in
1323 # Set it to something that will have no effect in the loop below
1324 enable_stage1_languages=c ;;
1326 enable_stage1_languages=`echo $new_enable_languages | \
1327 sed -e "s/^,//" -e "s/,$//" ` ;;
1329 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1330 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1333 # Add "good" languages from enable_stage1_languages to stage1_languages,
1334 # while "bad" languages go in missing_languages. Leave no duplicates.
1335 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1336 case $potential_languages in
1338 case $stage1_languages in
1340 *) stage1_languages="$stage1_languages$i," ;;
1343 case $missing_languages in
1345 *) missing_languages="$missing_languages$i," ;;
1350 # Remove leading/trailing commas that were added for simplicity
1351 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1352 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1353 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1354 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1356 if test "x$missing_languages" != x; then
1358 The following requested languages could not be built: ${missing_languages}
1359 Supported languages are: ${potential_languages}])
1361 if test "x$new_enable_languages" != "x$enable_languages"; then
1362 echo The following languages will be built: ${new_enable_languages}
1363 enable_languages="$new_enable_languages"
1366 AC_SUBST(stage1_languages)
1367 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1370 # Handle --disable-<component> generically.
1371 for dir in $configdirs $build_configdirs $target_configdirs ; do
1372 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1373 if eval test x\${enable_${dirname}} "=" xno ; then
1374 noconfigdirs="$noconfigdirs $dir"
1378 # Check for Boehm's garbage collector
1379 AC_ARG_ENABLE(objc-gc,
1380 [ --enable-objc-gc enable the use of Boehm's garbage collector with
1381 the GNU Objective-C runtime.],
1382 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1383 *,objc,*:*:yes:*target-boehm-gc*)
1384 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1388 # Make sure we only build Boehm's garbage collector if required.
1389 case ,${enable_languages},:${enable_objc_gc} in
1391 # Keep target-boehm-gc if requested for Objective-C.
1394 # Otherwise remove target-boehm-gc depending on target-libjava.
1395 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1396 noconfigdirs="$noconfigdirs target-boehm-gc"
1401 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1402 # $build_configdirs and $target_configdirs.
1403 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1406 for dir in . $skipdirs $noconfigdirs ; do
1407 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1408 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1409 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1410 if test -r $srcdir/$dirname/configure ; then
1411 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1414 notsupp="$notsupp $dir"
1418 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1419 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1420 if test -r $srcdir/$dirname/configure ; then
1421 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1424 notsupp="$notsupp $dir"
1428 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1429 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1430 if test -r $srcdir/$dirname/configure ; then
1431 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1434 notsupp="$notsupp $dir"
1440 # Sometimes the tools are distributed with libiberty but with no other
1441 # libraries. In that case, we don't want to build target-libiberty.
1442 # Don't let libgcc imply libiberty either.
1443 if test -n "${target_configdirs}" ; then
1446 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1447 if test "$i" = "libgcc"; then
1448 libgcc=target-libgcc
1449 elif test "$i" != "libiberty" ; then
1450 if test -r $srcdir/$i/configure ; then
1456 if test -z "${others}" ; then
1457 target_configdirs=$libgcc
1461 # Quietly strip out all directories which aren't configurable in this tree.
1462 # This relies on all configurable subdirectories being autoconfiscated, which
1464 build_configdirs_all="$build_configdirs"
1466 for i in ${build_configdirs_all} ; do
1467 j=`echo $i | sed -e s/build-//g`
1468 if test -f ${srcdir}/$j/configure ; then
1469 build_configdirs="${build_configdirs} $i"
1473 configdirs_all="$configdirs"
1475 for i in ${configdirs_all} ; do
1476 if test -f ${srcdir}/$i/configure ; then
1477 configdirs="${configdirs} $i"
1481 target_configdirs_all="$target_configdirs"
1483 for i in ${target_configdirs_all} ; do
1484 j=`echo $i | sed -e s/target-//g`
1485 if test -f ${srcdir}/$j/configure ; then
1486 target_configdirs="${target_configdirs} $i"
1490 # Produce a warning message for the subdirs we can't configure.
1491 # This isn't especially interesting in the Cygnus tree, but in the individual
1492 # FSF releases, it's important to let people know when their machine isn't
1493 # supported by the one or two programs in a package.
1495 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1496 # If $appdirs is non-empty, at least one of those directories must still
1497 # be configured, or we error out. (E.g., if the gas release supports a
1498 # specified target in some subdirs but not the gas subdir, we shouldn't
1499 # pretend that all is well.)
1500 if test -n "$appdirs" ; then
1501 for dir in $appdirs ; do
1502 if test -r $dir/Makefile.in ; then
1503 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1507 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1513 if test -n "$appdirs" ; then
1514 echo "*** This configuration is not supported by this package." 1>&2
1518 # Okay, some application will build, or we don't care to check. Still
1519 # notify of subdirs not getting built.
1520 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1521 echo " ${notsupp}" 1>&2
1522 echo " (Any other directories should still work fine.)" 1>&2
1532 AC_ARG_WITH([build-sysroot],
1533 [ --with-build-sysroot=sysroot
1534 use sysroot as the system root during the build],
1535 [if test x"$withval" != x ; then
1536 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1538 [SYSROOT_CFLAGS_FOR_TARGET=])
1539 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1541 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1542 # the named directory are copied to $(tooldir)/sys-include.
1543 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1544 if test x${is_cross_compiler} = xno ; then
1545 echo 1>&2 '***' --with-headers is only supported when cross compiling
1548 if test x"${with_headers}" != xyes ; then
1549 case "${exec_prefixoption}" in
1551 *) x=${exec_prefix} ;;
1553 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1557 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1558 # the name directories are copied to $(tooldir)/lib. Multiple directories
1560 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1561 if test x${is_cross_compiler} = xno ; then
1562 echo 1>&2 '***' --with-libs is only supported when cross compiling
1565 if test x"${with_libs}" != xyes ; then
1566 # Copy the libraries in reverse order, so that files in the first named
1567 # library override files in subsequent libraries.
1568 case "${exec_prefixoption}" in
1570 *) x=${exec_prefix} ;;
1572 for l in ${with_libs}; do
1573 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1578 # Set with_gnu_as and with_gnu_ld as appropriate.
1580 # This is done by determining whether or not the appropriate directory
1581 # is available, and by checking whether or not specific configurations
1582 # have requested that this magic not happen.
1584 # The command line options always override the explicit settings in
1585 # configure.in, and the settings in configure.in override this magic.
1587 # If the default for a toolchain is to use GNU as and ld, and you don't
1588 # want to do that, then you should use the --without-gnu-as and
1589 # --without-gnu-ld options for the configure script.
1591 if test x${use_gnu_as} = x &&
1592 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1594 extra_host_args="$extra_host_args --with-gnu-as"
1597 if test x${use_gnu_ld} = x &&
1598 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1600 extra_host_args="$extra_host_args --with-gnu-ld"
1603 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1604 # can detect this case.
1606 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1608 extra_host_args="$extra_host_args --with-newlib"
1611 # Handle ${copy_dirs}
1612 set fnord ${copy_dirs}
1614 while test $# != 0 ; do
1615 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1618 echo Copying $1 to $2
1620 # Use the install script to create the directory and all required
1621 # parent directories.
1622 if test -d $2 ; then
1626 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1629 # Copy the directory, assuming we have tar.
1630 # FIXME: Should we use B in the second tar? Not all systems support it.
1631 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1633 # It is the responsibility of the user to correctly adjust all
1634 # symlinks. If somebody can figure out how to handle them correctly
1635 # here, feel free to add the code.
1642 # Determine a target-dependent exec_prefix that the installed
1643 # gcc will search in. Keep this list sorted by triplet, with
1644 # the *-*-osname triplets last.
1648 md_exec_prefix=/gnu/lib/gcc-lib
1650 i[34567]86-pc-msdosdjgpp*)
1651 md_exec_prefix=/dev/env/DJDIR/bin
1653 i[34567]86-*-sco3.2v5*)
1654 if test $with_gnu_as = yes; then
1655 md_exec_prefix=/usr/gnu/bin
1657 md_exec_prefix=/usr/ccs/bin/elf
1662 powerpc-*-chorusos* | \
1663 powerpc*-*-eabi* | \
1664 powerpc*-*-sysv* | \
1665 powerpc*-*-kaos* | \
1667 md_exec_prefix=/usr/ccs/bin
1672 md_exec_prefix=/usr/ccs/bin
1687 md_exec_prefix=/usr/ccs/bin
1691 extra_arflags_for_target=
1692 extra_nmflags_for_target=
1693 extra_ranlibflags_for_target=
1694 target_makefile_frag=/dev/null
1697 target_makefile_frag="config/mt-spu"
1700 target_makefile_frag="config/mt-netware"
1702 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1703 target_makefile_frag="config/mt-gnu"
1705 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1706 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1707 # commands to handle both 32-bit and 64-bit objects. These flags are
1708 # harmless if we're using GNU nm or ar.
1709 extra_arflags_for_target=" -X32_64"
1710 extra_nmflags_for_target=" -B -X32_64"
1713 # ranlib from Darwin requires the -c flag to look at common symbols.
1714 extra_ranlibflags_for_target=" -c"
1716 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1717 target_makefile_frag="config/mt-wince"
1721 alphaieee_frag=/dev/null
1724 # This just makes sure to use the -mieee option to build target libs.
1725 # This should probably be set individually by each library.
1726 alphaieee_frag="config/mt-alphaieee"
1730 # If --enable-target-optspace always use -Os instead of -O2 to build
1731 # the target libraries, similarly if it is not specified, use -Os
1732 # on selected platforms.
1733 ospace_frag=/dev/null
1734 case "${enable_target_optspace}:${target}" in
1736 ospace_frag="config/mt-ospace"
1739 ospace_frag="config/mt-d30v"
1741 :m32r-* | :d10v-* | :fr30-*)
1742 ospace_frag="config/mt-ospace"
1747 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1751 # Default to using --with-stabs for certain targets.
1752 if test x${with_stabs} = x ; then
1754 mips*-*-irix[[56]]*)
1756 mips*-*-* | alpha*-*-osf*)
1758 extra_host_args="${extra_host_args} --with-stabs"
1763 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1764 # them automatically.
1767 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1771 # Some systems (e.g., one of the i386-aix systems the gas testers are
1772 # using) don't handle "\$" correctly, so don't use it here.
1773 tooldir='${exec_prefix}'/${target_alias}
1774 build_tooldir=${tooldir}
1776 # Create a .gdbinit file which runs the one in srcdir
1777 # and tells GDB to look there for source files.
1779 if test -r ${srcdir}/.gdbinit ; then
1782 *) cat > ./.gdbinit <<EOF
1786 source ${srcdir}/.gdbinit
1792 # Make sure that the compiler is able to generate an executable. If it
1793 # can't, we are probably in trouble. We don't care whether we can run the
1794 # executable--we might be using a cross compiler--we only care whether it
1795 # can be created. At this point the main configure script has set CC.
1797 echo "int main () { return 0; }" > conftest.c
1798 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1799 if test $? = 0 ; then
1800 if test -s conftest || test -s conftest.exe ; then
1806 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1807 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1814 # The Solaris /usr/ucb/cc compiler does not appear to work.
1816 sparc-sun-solaris2*)
1817 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1818 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1820 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1821 if test -d /opt/cygnus/bin ; then
1822 if test "$could_use" = "" ; then
1823 could_use="/opt/cygnus/bin"
1825 could_use="$could_use or /opt/cygnus/bin"
1828 if test "$could_use" = "" ; then
1829 echo "Warning: compilation may fail because you're using"
1830 echo "/usr/ucb/cc. You should change your PATH or CC "
1831 echo "variable and rerun configure."
1833 echo "Warning: compilation may fail because you're using"
1834 echo "/usr/ucb/cc, when you should use the C compiler from"
1835 echo "$could_use. You should change your"
1836 echo "PATH or CC variable and rerun configure."
1843 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1844 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1845 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1848 # Record target_configdirs and the configure arguments for target and
1849 # build configuration in Makefile.
1850 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1851 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1853 # Determine whether gdb needs tk/tcl or not.
1854 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1855 # and in that case we want gdb to be built without tk. Ugh!
1856 # In fact I believe gdb is the *only* package directly dependent on tk,
1857 # so we should be able to put the 'maybe's in unconditionally and
1858 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1859 # 100% sure that that's safe though.
1861 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1862 case "$enable_gdbtk" in
1866 GDB_TK="${gdb_tk}" ;;
1868 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1869 # distro. Eventually someone will fix this and move Insight, nee
1870 # gdbtk to a separate directory.
1871 if test -d ${srcdir}/gdb/gdbtk ; then
1878 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1879 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1881 # Strip out unwanted targets.
1883 # While at that, we remove Makefiles if we were started for recursive
1884 # configuration, so that the top-level Makefile reconfigures them,
1885 # like we used to do when configure itself was recursive.
1887 # Loop over modules. $extrasub must be used with care, limiting as
1888 # much as possible the usage of range addresses. That's because autoconf
1889 # splits the sed script to overcome limits in the number of commands,
1890 # and relying on carefully-timed sed passes may turn out to be very hard
1891 # to maintain later. In this particular case, you just have to be careful
1892 # not to nest @if/@endif pairs, because configure will not warn you at all.
1894 AC_ARG_ENABLE([bootstrap],
1895 [ --enable-bootstrap Enable bootstrapping [yes if native build]],,
1896 enable_bootstrap=default)
1898 # Issue errors and warnings for invalid/strange bootstrap combinations.
1899 case "$configdirs" in
1900 *gcc*) have_compiler=yes ;;
1901 *) have_compiler=no ;;
1904 case "$have_compiler:$host:$target:$enable_bootstrap" in
1907 # Default behavior. Enable bootstrap if we have a compiler
1908 # and we are in a native configuration.
1909 yes:$build:$build:default)
1910 enable_bootstrap=yes ;;
1913 enable_bootstrap=no ;;
1915 # We have a compiler and we are in a native configuration, bootstrap is ok
1916 yes:$build:$build:yes)
1919 # Other configurations, but we have a compiler. Assume the user knows
1922 AC_MSG_WARN([trying to bootstrap a cross compiler])
1925 # No compiler: if they passed --enable-bootstrap explicitly, fail
1927 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1929 # Fail if wrong command line
1931 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1935 # Adjust the toplevel makefile according to whether bootstrap was selected.
1936 case "$enable_bootstrap" in
1938 bootstrap_suffix=bootstrap ;;
1940 bootstrap_suffix=no-bootstrap ;;
1943 for module in ${build_configdirs} ; do
1944 if test -z "${no_recursion}" \
1945 && test -f ${build_subdir}/${module}/Makefile; then
1946 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1947 rm -f ${build_subdir}/${module}/Makefile
1950 /^@if build-$module\$/d
1951 /^@endif build-$module\$/d
1952 /^@if build-$module-$bootstrap_suffix\$/d
1953 /^@endif build-$module-$bootstrap_suffix\$/d"
1955 for module in ${configdirs} ; do
1956 if test -z "${no_recursion}"; then
1957 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
1958 if test -f ${file}; then
1959 echo 1>&2 "*** removing ${file} to force reconfigure"
1966 /^@endif $module\$/d
1967 /^@if $module-$bootstrap_suffix\$/d
1968 /^@endif $module-$bootstrap_suffix\$/d"
1970 for module in ${target_configdirs} ; do
1971 if test -z "${no_recursion}" \
1972 && test -f ${target_subdir}/${module}/Makefile; then
1973 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1974 rm -f ${target_subdir}/${module}/Makefile
1977 /^@if target-$module\$/d
1978 /^@endif target-$module\$/d
1979 /^@if target-$module-$bootstrap_suffix\$/d
1980 /^@endif target-$module-$bootstrap_suffix\$/d"
1984 /^@if /,/^@endif /d"
1986 # Create the serialization dependencies. This uses a temporary file.
1988 AC_ARG_ENABLE([serial-configure],
1989 [ --enable-serial-[{host,target,build}-]configure
1990 Force sequential configuration of
1991 sub-packages for the host, target or build
1992 machine, or all sub-packages])
1994 case ${enable_serial_configure} in
1996 enable_serial_build_configure=yes
1997 enable_serial_host_configure=yes
1998 enable_serial_target_configure=yes
2002 # These force 'configure's to be done one at a time, to avoid problems
2003 # with contention over a shared config.cache.
2005 echo '# serdep.tmp' > serdep.tmp
2007 test "x${enable_serial_build_configure}" = xyes &&
2008 for item in ${build_configdirs} ; do
2011 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2016 test "x${enable_serial_host_configure}" = xyes &&
2017 for item in ${configdirs} ; do
2020 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2025 test "x${enable_serial_target_configure}" = xyes &&
2026 for item in ${target_configdirs} ; do
2029 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2033 serialization_dependencies=serdep.tmp
2034 AC_SUBST_FILE(serialization_dependencies)
2036 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2037 # target and nonopt. These are the ones we might not want to pass
2038 # down to subconfigures. Also strip program-prefix, program-suffix,
2039 # and program-transform-name, so that we can pass down a consistent
2040 # program-transform-name. If autoconf has put single quotes around
2041 # any of these arguments (because they contain shell metacharacters)
2042 # then this will fail; in practice this only happens for
2043 # --program-transform-name, so be sure to override --program-transform-name
2044 # at the end of the argument list.
2045 # These will be expanded by make, so quote '$'.
2046 cat <<\EOF_SED > conftestsed
2048 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
2049 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
2050 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
2051 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
2052 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
2053 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
2054 s/ -cache-file[[= ]][[^ ]]*//g
2055 s/ -srcdir[[= ]][[^ ]]*//g
2056 s/ -host[[= ]][[^ ]]*//g
2057 s/ -build[[= ]][[^ ]]*//g
2058 s/ -target[[= ]][[^ ]]*//g
2059 s/ -program-prefix[[= ]][[^ ]]*//g
2060 s/ -program-suffix[[= ]][[^ ]]*//g
2061 s/ -program-transform-name[[= ]][[^ ]]*//g
2062 s/ [[^' -][^ ]*] / /
2066 sed -f conftestsed <<EOF_SED > conftestsed.out
2067 ${ac_configure_args}
2069 baseargs=`cat conftestsed.out`
2070 rm -f conftestsed conftestsed.out
2072 # Add in --program-transform-name, after --program-prefix and
2073 # --program-suffix have been applied to it. Autoconf has already
2074 # doubled dollar signs and backslashes in program_transform_name; we want
2075 # the backslashes un-doubled, and then the entire thing wrapped in single
2076 # quotes, because this will be expanded first by make and then by the shell.
2077 # Also, because we want to override the logic in subdir configure scripts to
2078 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2079 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2080 ${program_transform_name}
2082 gcc_transform_name=`cat conftestsed.out`
2083 rm -f conftestsed.out
2084 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2086 # For the build-side libraries, we just need to pretend we're native,
2087 # and not use the same cache file. Multilibs are neither needed nor
2089 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
2091 # For host modules, accept cache file option, or specification as blank.
2092 case "${cache_file}" in
2094 cache_file_option="" ;;
2095 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2096 cache_file_option="--cache-file=${cache_file}" ;;
2098 cache_file_option="--cache-file=../${cache_file}" ;;
2101 # Host dirs don't like to share a cache file either, horribly enough.
2102 # This seems to be due to autoconf 2.5x stupidity.
2103 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
2105 target_configargs=${baseargs}
2107 # Passing a --with-cross-host argument lets the target libraries know
2108 # whether they are being built with a cross-compiler or being built
2109 # native. However, it would be better to use other mechanisms to make the
2110 # sorts of decisions they want to make on this basis. Please consider
2111 # this option to be deprecated. FIXME.
2112 if test x${is_cross_compiler} = xyes ; then
2113 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
2116 # Default to --enable-multilib.
2117 if test x${enable_multilib} = x ; then
2118 target_configargs="--enable-multilib ${target_configargs}"
2121 # Pass --with-newlib if appropriate. Note that target_configdirs has
2122 # changed from the earlier setting of with_newlib.
2123 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2124 target_configargs="--with-newlib ${target_configargs}"
2127 # Different target subdirs use different values of certain variables
2128 # (notably CXX). Worse, multilibs use *lots* of different values.
2129 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2130 # it doesn't automatically accept command-line overrides of them.
2131 # This means it's not safe for target subdirs to share a cache file,
2132 # which is disgusting, but there you have it. Hopefully this can be
2133 # fixed in future. It's still worthwhile to use a cache file for each
2134 # directory. I think.
2136 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2137 # We need to pass --target, as newer autoconf's requires consistency
2138 # for target_alias and gcc doesn't manage it consistently.
2139 target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
2142 case " $target_configdirs " in
2144 case " $target_configargs " in
2145 *" --with-newlib "*)
2148 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 $$s/winsup/w32api/include' ;;
2151 # If we're not building GCC, don't discard standard headers.
2152 if test -d ${srcdir}/gcc; then
2153 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2155 if test "${build}" != "${host}"; then
2156 # On Canadian crosses, CC_FOR_TARGET will have already been set
2157 # by `configure', so we won't have an opportunity to add -Bgcc/
2158 # to it. This is right: we don't want to search that directory
2159 # for binaries, but we want the header files in there, so add
2161 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2163 # Someone might think of using the pre-installed headers on
2164 # Canadian crosses, in case the installed compiler is not fully
2165 # compatible with the compiler being built. In this case, it
2166 # would be better to flag an error than risking having
2167 # incompatible object files being constructed. We can't
2168 # guarantee that an error will be flagged, but let's hope the
2169 # compiler will do it, when presented with incompatible header
2174 case "${target}-${is_cross_compiler}" in
2175 i[[3456789]]86-*-linux*-no)
2176 # Here host == target, so we don't need to build gcc,
2177 # so we don't want to discard standard headers.
2178 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2181 # If we're building newlib, use its generic headers last, but search
2182 # for any libc-related directories first (so make it the last -B
2184 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2193 # Can't be handled as Cygwin above since Mingw does not use newlib.
2194 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
2197 # Allow the user to override the flags for
2198 # our build compiler if desired.
2199 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2201 # On Canadian crosses, we'll be searching the right directories for
2202 # the previously-installed cross compiler, so don't bother to add
2203 # flags for directories within the install tree of the compiler
2204 # being built; programs in there won't even run.
2205 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2206 # Search for pre-installed headers if nothing else fits.
2207 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2210 if test "x${use_gnu_ld}" = x &&
2211 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2212 # Arrange for us to find uninstalled linker scripts.
2213 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2216 # Search for other target-specific linker scripts and such.
2219 if test -d ${srcdir}/libgloss/m32c; then
2220 # This is for crt0.o
2221 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2222 # This is for r8c.ld
2223 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2224 # This is for libnosys.a
2225 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2230 # Makefile fragments.
2231 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2233 eval fragval=\$$frag
2234 if test $fragval != /dev/null; then
2235 eval $frag=${srcdir}/$fragval
2238 AC_SUBST_FILE(host_makefile_frag)
2239 AC_SUBST_FILE(target_makefile_frag)
2240 AC_SUBST_FILE(alphaieee_frag)
2241 AC_SUBST_FILE(ospace_frag)
2243 # Miscellanea: directories, flags, etc.
2244 AC_SUBST(RPATH_ENVVAR)
2246 AC_SUBST(build_tooldir)
2247 AC_SUBST(CONFIGURE_GDB_TK)
2249 AC_SUBST(INSTALL_GDB_TK)
2251 # Build module lists & subconfigure args.
2252 AC_SUBST(build_configargs)
2253 AC_SUBST(build_configdirs)
2255 # Host module lists & subconfigure args.
2256 AC_SUBST(host_configargs)
2257 AC_SUBST(configdirs)
2259 # Target module lists & subconfigure args.
2260 AC_SUBST(target_configargs)
2264 AC_SUBST(CC_FOR_BUILD)
2265 AC_SUBST(config_shell)
2267 # Generate default definitions for YACC, M4, LEX and other programs that run
2268 # on the build machine. These are used if the Makefile can't locate these
2269 # programs in objdir.
2270 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2272 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2273 case " $build_configdirs " in
2274 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2275 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2278 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2279 case " $build_configdirs " in
2280 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2283 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2284 case " $build_configdirs " in
2285 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2288 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2289 case " $build_configdirs " in
2290 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2291 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2294 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2295 case " $build_configdirs " in
2296 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2299 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2300 case " $build_configdirs " in
2301 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2304 # For an installed makeinfo, we require it to be from texinfo 4.4 or
2305 # higher, else we use the "missing" dummy.
2306 if ${MAKEINFO} --version \
2307 | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
2310 MAKEINFO="$MISSING makeinfo"
2316 # FIXME: expect and dejagnu may become build tools?
2318 AC_CHECK_PROGS(EXPECT, expect, expect)
2319 case " $configdirs " in
2321 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2325 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2326 case " $configdirs " in
2328 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2334 NCN_STRICT_CHECK_TOOLS(AR, ar)
2335 NCN_STRICT_CHECK_TOOLS(AS, as)
2336 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2337 NCN_STRICT_CHECK_TOOLS(LD, ld)
2338 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2339 NCN_STRICT_CHECK_TOOLS(NM, nm)
2340 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2341 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2342 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2343 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2344 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2348 AC_SUBST(CFLAGS_FOR_BUILD)
2352 AC_ARG_WITH([build-time-tools],
2353 [ --with-build-time-tools=path
2354 use given path to find target tools during the build],
2355 [case x"$withval" in
2358 with_build_time_tools=
2359 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2362 [with_build_time_tools=])
2364 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2365 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2366 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2367 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2368 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2370 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2371 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2372 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2373 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2374 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2375 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2376 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2377 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2378 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2379 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2381 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2383 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2384 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2385 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2386 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2387 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2389 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2390 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2392 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2393 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2394 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2395 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2396 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2397 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2398 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2399 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2400 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2401 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2402 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2403 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2404 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2406 AC_SUBST(FLAGS_FOR_TARGET)
2407 AC_SUBST(RAW_CXX_FOR_TARGET)
2409 # Certain tools may need extra flags.
2410 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2411 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2412 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2414 # When building target libraries, except in a Canadian cross, we use
2415 # the same toolchain as the compiler we just built.
2416 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2417 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2418 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2419 if test $host = $build; then
2420 case " $configdirs " in
2422 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2423 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2424 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2429 AC_SUBST(COMPILER_AS_FOR_TARGET)
2430 AC_SUBST(COMPILER_LD_FOR_TARGET)
2431 AC_SUBST(COMPILER_NM_FOR_TARGET)
2433 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2434 AC_ARG_ENABLE(maintainer-mode,
2435 [ --enable-maintainer-mode enable make rules and dependencies not useful
2436 (and sometimes confusing) to the casual installer],
2437 USE_MAINTAINER_MODE=$enableval,
2438 USE_MAINTAINER_MODE=no)
2439 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2440 AC_SUBST(MAINTAINER_MODE_TRUE)
2441 AC_SUBST(MAINTAINER_MODE_FALSE)
2442 if test "$USE_MAINTAINER_MODE" = yes; then
2443 MAINTAINER_MODE_TRUE=
2444 MAINTAINER_MODE_FALSE='#'
2446 MAINTAINER_MODE_TRUE='#'
2447 MAINTAINER_MODE_FALSE=
2449 MAINT=$MAINTAINER_MODE_TRUE
2452 # ---------------------
2453 # GCC bootstrap support
2454 # ---------------------
2456 # Stage specific cflags for build.
2461 yes) stage1_cflags="-g -Wa,-J" ;;
2462 *) stage1_cflags="-g -J" ;;
2466 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
2467 if test "$GCC" = yes; then
2468 saved_CFLAGS="$CFLAGS"
2470 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
2471 CFLAGS="$CFLAGS -fkeep-inline-functions"
2472 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2474 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
2475 [AC_MSG_RESULT([no])])
2477 CFLAGS="$saved_CFLAGS"
2480 AC_SUBST(stage1_cflags)
2482 # Enable --enable-checking in stage1 of the compiler.
2483 AC_ARG_ENABLE(stage1-checking,
2484 [ --enable-stage1-checking[=all] choose additional checking for stage1
2486 [stage1_checking=--enable-checking=${enable_stage1_checking}],
2487 [if test "x$enable_checking" = xno; then
2488 stage1_checking=--enable-checking
2490 stage1_checking=--enable-checking${enable_checking+=}$enable_checking
2492 AC_SUBST(stage1_checking)
2494 # Enable -Werror in bootstrap stage2 and later.
2495 AC_ARG_ENABLE(werror,
2496 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2497 [if test -d gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
2502 case ${enable_werror} in
2503 yes) stage2_werror_flag="--enable-werror-always" ;;
2504 *) stage2_werror_flag="" ;;
2506 AC_SUBST(stage2_werror_flag)
2508 # Flags needed to enable html installing and building
2509 AC_ARG_WITH(datarootdir,
2510 [ --with-datarootdir Use datarootdir as the data root directory.],
2511 [datarootdir="\${prefix}/${withval}"],
2512 [datarootdir="\${prefix}/share"])
2515 [ --with-docdir Install documentation in this directory.],
2516 [docdir="\${prefix}/${withval}"],
2517 [docdir="\${datarootdir}/doc"])
2519 AC_ARG_WITH(htmldir,
2520 [ --with-htmldir Install html in this directory.],
2521 [htmldir="\${prefix}/${withval}"],
2522 [htmldir="\${docdir}"])
2524 AC_SUBST(datarootdir)