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 \
147 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 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 newlib"
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 # Enable libmudflap by default in NativeClient.
345 # Disable it by default everywhere else.
346 noconfigdirs="$noconfigdirs target-libmudflap"
351 # Disable libgomp on non POSIX hosted systems.
352 if test x$enable_libgomp = x ; then
353 # Enable libgomp by default on hosted POSIX systems.
355 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
357 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
359 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
361 *-*-darwin* | *-*-aix*)
366 noconfigdirs="$noconfigdirs target-libgomp"
374 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
376 powerpc-*-darwin* | i[[3456789]]86-*-darwin*)
377 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
378 noconfigdirs="$noconfigdirs sim target-rda"
381 noconfigdirs="$noconfigdirs ld gas gdb gprof"
382 noconfigdirs="$noconfigdirs sim target-rda"
383 noconfigdirs="$noconfigdirs ${libgcj}"
385 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
386 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
389 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
390 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
391 && test -f /usr/local/include/gmp.h; then
395 # Skip some stuff that's unsupported on some FreeBSD configurations.
400 noconfigdirs="$noconfigdirs ${libgcj}"
405 # Remove unsupported stuff on all kaOS configurations.
406 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
407 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
408 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
409 noconfigdirs="$noconfigdirs target-libgloss"
412 # Skip some stuff on all NetBSD configurations.
413 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
415 # Skip some stuff that's unsupported on some NetBSD configurations.
417 i*86-*-netbsdelf*) ;;
418 arm*-*-netbsdelf*) ;;
420 noconfigdirs="$noconfigdirs ${libgcj}"
425 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
428 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
430 # The tpf target doesn't support gdb yet.
432 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
435 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
438 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
441 # ld works, but does not support shared libraries.
442 # newlib is not 64 bit ready. I'm not sure about fileutils.
443 # gas doesn't generate exception information.
444 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
447 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
450 # newlib is not 64 bit ready
451 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
454 # newlib is not 64 bit ready
455 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
458 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
461 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
463 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
464 noconfigdirs="$noconfigdirs ${libgcj}"
465 noconfigdirs="$noconfigdirs target-examples"
466 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
467 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
468 noconfigdirs="$noconfigdirs expect dejagnu"
469 # the C++ libraries don't build on top of CE's C libraries
470 noconfigdirs="$noconfigdirs target-libstdc++-v3"
471 noconfigdirs="$noconfigdirs target-newlib"
473 *-*-cygwin*) ;; # keep gdb and readline
474 *) noconfigdirs="$noconfigdirs gdb readline"
479 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
483 arm-*-coff | strongarm-*-coff | xscale-*-coff)
484 noconfigdirs="$noconfigdirs ${libgcj}"
486 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
487 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
489 arm*-*-linux-gnueabi)
490 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
491 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
494 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
497 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
500 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
503 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
506 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
509 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
512 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
515 noconfigdirs="$noconfigdirs gdb"
516 if test x${is_cross_compiler} != xno ; then
517 target_configdirs="${target_configdirs} target-bsp target-cygmon"
521 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
523 c54x*-*-* | tic54x-*-*)
524 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
526 cris-*-* | crisv32-*-*)
527 unsupported_languages="$unsupported_languages java"
530 unsupported_languages="$unsupported_languages fortran"
531 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
533 unsupported_languages="$unsupported_languages fortran"
534 noconfigdirs="$noconfigdirs target-boehm-gc";;
536 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
538 unsupported_languages="$unsupported_languages fortran"
539 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
543 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
546 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
549 noconfigdirs="$noconfigdirs ${libgcj} gdb"
552 noconfigdirs="$noconfigdirs ${libgcj} gdb"
555 noconfigdirs="$noconfigdirs ${libgcj}"
558 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
561 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
563 hppa1.1-*-osf* | hppa1.1-*-bsd* )
565 hppa*64*-*-linux* | parisc*64*-*-linux*)
566 # In this case, it's because the hppa64-linux target is for
567 # the kernel only at this point and has no libc, and thus no
568 # headers, crt*.o, etc., all of which are needed by these.
569 noconfigdirs="$noconfigdirs target-zlib"
571 parisc*-*-linux* | hppa*-*-linux*)
577 noconfigdirs="$noconfigdirs ${libgcj}"
580 noconfigdirs="$noconfigdirs ld shellutils"
583 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
584 # build on HP-UX 10.20.
585 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
588 noconfigdirs="$noconfigdirs ${libgcj} gdb"
591 # No gdb support yet.
592 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
595 # No gdb or ld support yet.
596 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
600 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
601 noconfigdirs="$noconfigdirs ${libgcj}"
603 i[[3456789]]86-*-linux*)
604 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
605 # not build java stuff by default.
608 noconfigdirs="$noconfigdirs ${libgcj}";;
611 # This section makes it possible to build newlib natively on linux.
612 # If we are using a cross compiler then don't configure newlib.
613 if test x${is_cross_compiler} != xno ; then
614 noconfigdirs="$noconfigdirs target-newlib"
616 noconfigdirs="$noconfigdirs target-libgloss"
617 # If we are not using a cross compiler, do configure newlib.
618 # Note however, that newlib will only be configured in this situation
619 # if the --with-newlib option has been given, because otherwise
620 # 'target-newlib' will appear in skipdirs.
622 i[[3456789]]86-*-mingw32*)
623 target_configdirs="$target_configdirs target-winsup"
624 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
627 target_configdirs="$target_configdirs target-libtermcap target-winsup"
628 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
629 # always build newlib if winsup directory is present.
630 if test -d "$srcdir/winsup/cygwin"; then
631 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
632 elif test -d "$srcdir/newlib"; then
633 echo "Warning: winsup/cygwin is missing so newlib can't be built."
636 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
637 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
640 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
642 i[[3456789]]86-*-sco3.2v5*)
643 # The linker does not yet know about weak symbols in COFF,
644 # and is not configured to handle mixed ELF and COFF.
645 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
647 i[[3456789]]86-*-sco*)
648 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
650 i[[3456789]]86-*-solaris2*)
651 noconfigdirs="$noconfigdirs target-libgloss"
653 i[[3456789]]86-*-sysv4*)
654 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
656 i[[3456789]]86-*-beos*)
657 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
659 i[[3456789]]86-*-rdos*)
660 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
663 noconfigdirs="$noconfigdirs ${libgcj}"
665 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
666 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
669 noconfigdirs="$noconfigdirs ${libgcj}"
672 noconfigdirs="$noconfigdirs ${libgcj}"
675 # The EPOC C++ environment does not support exceptions or rtti,
676 # and so building libstdc++-v3 tends not to always work.
677 noconfigdirs="$noconfigdirs target-libstdc++-v3"
680 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
681 unsupported_languages="$unsupported_languages fortran java"
684 noconfigdirs="$noconfigdirs ${libgcj}"
687 noconfigdirs="$noconfigdirs ${libgcj}"
690 noconfigdirs="$noconfigdirs sim"
693 # copied from rs6000-*-* entry
694 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
696 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
697 target_configdirs="$target_configdirs target-winsup"
698 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
699 # always build newlib.
700 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
702 # This is temporary until we can link against shared libraries
703 powerpcle-*-solaris*)
704 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
707 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
710 noconfigdirs="$noconfigdirs ${libgcj}"
712 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
715 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
718 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
721 noconfigdirs="$noconfigdirs gprof ${libgcj}"
724 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
727 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
730 # Linking libjava exceeds command-line length limits on at least
731 # IRIX 6.2, but not on IRIX 6.5.
732 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
733 # <oldham@codesourcery.com>
734 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
737 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
740 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
743 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
746 noconfigdirs="$noconfigdirs gprof ${libgcj}"
749 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
753 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
754 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
755 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
756 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
758 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
761 noconfigdirs="$noconfigdirs ${libgcj}"
764 noconfigdirs="$noconfigdirs ${libgcj}"
767 noconfigdirs="$noconfigdirs ${libgcj}"
770 noconfigdirs="$noconfigdirs ${libgcj}"
771 if test x${is_cross_compiler} != xno ; then
772 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
777 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
778 noconfigdirs="$noconfigdirs ${libgcj}"
780 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
783 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
786 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
789 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
792 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
795 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
798 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
801 noconfigdirs="$noconfigdirs ${libgcj}"
804 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
806 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-nacl*)
807 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
810 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
813 noconfigdirs="$noconfigdirs ${libgcj}"
817 # If we aren't building newlib, then don't build libgloss, since libgloss
818 # depends upon some newlib header files.
819 case "${noconfigdirs}" in
820 *target-libgloss*) ;;
821 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
824 # Work in distributions that contain no compiler tools, like Autoconf.
826 host_makefile_frag=/dev/null
827 if test -d ${srcdir}/config ; then
830 # Avoid "too much defining" errors from HPUX compiler.
831 tentative_cc="cc -Wp,-H256000"
832 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
833 # If it's HP/UX ar, this should be harmless.
837 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
840 #None of the Apollo compilers can compile gas or binutils. The preprocessor
841 # chokes on bfd, the compiler won't let you assign integers to enums, and
842 # other problems. Defining CC to gcc is a questionable way to say "don't use
843 # the apollo compiler" (the preferred version of GCC could be called cc,
844 # or whatever), but I'm not sure leaving CC as cc is any better...
845 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
846 # Used to have BISON=yacc.
850 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
853 # Under CX/UX, we want to tell the compiler to use ANSI mode.
854 tentative_cc="cc -Xa"
855 host_makefile_frag="config/mh-cxux"
860 tentative_cc="cc -Wf,-XNg1000"
861 host_makefile_frag="config/mh-decstation"
864 # The C compiler on NEC MIPS SVR4 needs bigger tables.
865 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
866 host_makefile_frag="config/mh-necv4"
869 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
870 # environment. Also bump switch table size so that cp-parse will
871 # compile. Bump string length limit so linker builds.
872 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
875 host_makefile_frag="config/mh-sysv4"
878 # This is for a MIPS running RISC/os 4.52C.
880 # This is needed for GDB, but needs to be in the top-level make because
881 # if a library is compiled with the bsd headers and gets linked with the
882 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
884 # ptrace(2) apparently has problems in the BSD environment. No workaround is
885 # known except to select the sysv environment. Could we use /proc instead?
886 # These "sysv environments" and "bsd environments" often end up being a pain.
888 # This is not part of CFLAGS because perhaps not all C compilers have this
890 tentative_cc="cc -systype sysv"
895 i[[3456789]]86-*-sysv5*)
896 host_makefile_frag="config/mh-sysv5"
898 i[[3456789]]86-*-dgux*)
899 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
900 host_makefile_frag="config/mh-dgux386"
902 i[[3456789]]86-ncr-sysv4.3*)
903 # The MetaWare compiler will generate a copyright message unless you
904 # turn it off by adding the -Hnocopyr flag.
905 tentative_cc="cc -Hnocopyr"
907 i[[3456789]]86-ncr-sysv4*)
908 # for an NCR 3000 (i486/SVR4) system.
909 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
910 # This compiler not only emits obnoxious copyright messages every time
911 # you run it, but it chokes and dies on a whole bunch of GNU source
912 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
913 tentative_cc="/usr/ccs/ATT/cc"
914 host_makefile_frag="config/mh-ncr3000"
916 i[[3456789]]86-*-sco3.2v5*)
918 i[[3456789]]86-*-sco*)
919 # The native C compiler botches some simple uses of const. Unfortunately,
920 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
921 tentative_cc="cc -Dconst="
922 host_makefile_frag="config/mh-sco"
924 i[[3456789]]86-*-udk*)
925 host_makefile_frag="config/mh-sysv5"
927 i[[3456789]]86-*-solaris2*)
928 host_makefile_frag="config/mh-sysv4"
930 i[[3456789]]86-*-msdosdjgpp*)
931 host_makefile_frag="config/mh-djgpp"
934 host_makefile_frag="config/mh-cygwin"
939 host_makefile_frag="config/mh-interix"
942 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
946 host_makefile_frag="config/mh-solaris"
949 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
950 # without overflowing the jump tables (-J says to use a 32 bit table)
954 tentative_cc="cc -Wp,-H256000"
957 tentative_cc="cc -Wp,-H256000"
960 # /bin/cc is less than useful for our purposes. Always use GCC
961 tentative_cc="/usr/cygnus/progressive/bin/gcc"
962 host_makefile_frag="config/mh-lynxrs6k"
965 host_makefile_frag="config/mh-ppc-darwin"
968 host_makefile_frag="config/mh-ppc-aix"
971 host_makefile_frag="config/mh-ppc-aix"
974 # /bin/cc is less than useful for our purposes. Always use GCC
975 tentative_cc="/bin/gcc"
978 host_makefile_frag="config/mh-sysv4"
980 # This is placed last to prevent interfering with the cases above.
982 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
983 host_makefile_frag="config/mh-x86omitfp"
988 # If we aren't going to be using gcc, see if we can extract a definition
989 # of CC from the fragment.
990 # Actually, use the 'pre-extracted' version above.
991 if test -z "${CC}" && test "${build}" = "${host}" ; then
992 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
995 test -z "$dir" && dir=.
996 if test -f $dir/gcc; then
1002 if test -z "${found}" && test -n "${tentative_cc}" ; then
1007 if test "${build}" != "${host}" ; then
1008 # If we are doing a Canadian Cross, in which the host and build systems
1009 # are not the same, we set reasonable default values for the tools.
1011 CC=${CC-${host_alias}-gcc}
1012 CFLAGS=${CFLAGS-"-g -O2"}
1013 CXX=${CXX-${host_alias}-c++}
1014 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1015 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1018 # Set reasonable default values for some tools even if not Canadian.
1019 # Of course, these are different reasonable default values, originally
1020 # specified directly in the Makefile.
1021 # We don't export, so that autoconf can do its job.
1022 # Note that all these settings are above the fragment inclusion point
1023 # in Makefile.in, so can still be overridden by fragments.
1024 # This is all going to change when we autoconfiscate...
1026 CC_FOR_BUILD="\$(CC)"
1029 # We must set the default linker to the linker used by gcc for the correct
1030 # operation of libtool. If LD is not defined and we are using gcc, try to
1031 # set the LD default to the ld used by gcc.
1032 if test -z "$LD"; then
1033 if test "$GCC" = yes; then
1036 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1038 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1040 case $gcc_prog_ld in
1041 # Accept absolute paths.
1042 [[\\/]* | [A-Za-z]:[\\/]*)]
1043 LD="$gcc_prog_ld" ;;
1049 CFLAGS=${CFLAGS-"-g"}
1050 CXXFLAGS=${CXXFLAGS-"-g -O2"}
1054 ACX_PROG_CMP_IGNORE_INITIAL
1056 # Check for GMP and MPFR
1060 # Specify a location for mpfr
1061 # check for this first so it ends up on the link line before gmp.
1062 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH This option has been REMOVED],
1063 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1064 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1066 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify prefix directory for installed MPFR package
1067 Equivalent to --with-mpfr-include=PATH/include
1068 plus --with-mpfr-lib=PATH/lib])
1069 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1070 Specify directory for installed MPFR include files])
1071 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH Specify the directory for the installed MPFR library])
1073 if test "x$with_mpfr" != x; then
1074 gmplibs="-L$with_mpfr/lib $gmplibs"
1075 gmpinc="-I$with_mpfr/include"
1077 if test "x$with_mpfr_include" != x; then
1078 gmpinc="-I$with_mpfr_include"
1080 if test "x$with_mpfr_lib" != x; then
1081 gmplibs="-L$with_mpfr_lib $gmplibs"
1084 # Specify a location for gmp
1085 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH This option has been REMOVED],
1086 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1087 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1089 gmplibs="$gmplibs -lgmp"
1091 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify prefix directory for the installed GMP package
1092 Equivalent to --with-gmp-include=PATH/include
1093 plus --with-gmp-lib=PATH/lib])
1094 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH Specify directory for installed GMP include files])
1095 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH Specify the directory for the installed GMP library])
1098 if test "x$with_gmp" != x; then
1099 gmplibs="-L$with_gmp/lib $gmplibs"
1100 gmpinc="-I$with_gmp/include $gmpinc"
1102 if test "x$with_gmp_include" != x; then
1103 gmpinc="-I$with_gmp_include $gmpinc"
1105 if test "x$with_gmp_lib" != x; then
1106 gmplibs="-L$with_gmp_lib $gmplibs"
1109 saved_CFLAGS="$CFLAGS"
1110 CFLAGS="$CFLAGS $gmpinc"
1111 # Check GMP actually works
1112 AC_MSG_CHECKING([for correct version of gmp.h])
1113 AC_TRY_COMPILE([#include "gmp.h"],[
1114 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
1117 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1119 if test x"$have_gmp" = xyes; then
1120 AC_MSG_CHECKING([for correct version of mpfr.h])
1121 AC_TRY_COMPILE([#include "gmp.h"
1122 #include <mpfr.h>],[
1123 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
1126 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy version of MPFR detected])])
1129 LIBS="$LIBS $gmplibs"
1130 AC_MSG_CHECKING([for any version of mpfr.h])
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
1227 potential_languages="${potential_languages},${language}"
1228 # This is quite sensitive to the ordering of the case statement arms.
1229 case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
1231 echo "${lang_frag} doesn't set \$language." 1>&2
1235 # Ada was requested with no preexisting GNAT. Disable unconditionally.
1238 *,${language},*:*:*:*)
1239 # Language was explicitly selected; include it.
1243 # 'all' was selected, but this is not a default language
1244 # so do not include it.
1248 # 'all' was selected and this is a default language; include it.
1256 # Disable languages that need other directories if these aren't available.
1257 for i in $subdir_requires; do
1258 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1259 case ,${enable_languages}, in
1261 # Specifically requested language; tell them.
1262 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1271 # Disable languages that need GMP if it isn't available.
1272 case ,${enable_languages},:${have_gmp}:${need_gmp} in
1273 *,${language},*:no:yes)
1274 # Specifically requested language; tell them.
1275 AC_MSG_ERROR([GMP 4.1 and MPFR 2.2.1 or newer versions required by $language])
1283 # Disable a language that is unsupported by the target.
1284 case " $unsupported_languages " in
1290 case $add_this_lang in
1292 # Remove language-dependent dirs.
1293 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1296 new_enable_languages="$new_enable_languages,$language"
1297 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1298 case ${boot_language} in
1300 # Add to (comma-separated) list of stage 1 languages.
1301 stage1_languages="${stage1_languages},${language}"
1310 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1311 if test "x$missing_languages" != x; then
1313 The following requested languages could not be built: ${missing_languages}
1314 Recognised languages are: ${potential_languages}])
1317 if test "x$new_enable_languages" != "x$enable_languages"; then
1318 echo The following languages will be built: ${new_enable_languages}
1320 enable_languages="$new_enable_languages"
1321 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1324 # Handle --disable-<component> generically.
1325 for dir in $configdirs $build_configdirs $target_configdirs ; do
1326 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1327 if eval test x\${enable_${dirname}} "=" xno ; then
1328 noconfigdirs="$noconfigdirs $dir"
1332 # Check for Boehm's garbage collector
1333 AC_ARG_ENABLE(objc-gc,
1334 [ --enable-objc-gc enable the use of Boehm's garbage collector with
1335 the GNU Objective-C runtime.],
1336 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1337 *,objc,*:*:yes:*target-boehm-gc*)
1338 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1342 # Make sure we only build Boehm's garbage collector if required.
1343 case ,${enable_languages},:${enable_objc_gc} in
1345 # Keep target-boehm-gc if requested for Objective-C.
1348 # Otherwise remove target-boehm-gc depending on target-libjava.
1349 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1350 noconfigdirs="$noconfigdirs target-boehm-gc"
1355 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1356 # $build_configdirs and $target_configdirs.
1357 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1360 for dir in . $skipdirs $noconfigdirs ; do
1361 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1362 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1363 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1364 if test -r $srcdir/$dirname/configure ; then
1365 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1368 notsupp="$notsupp $dir"
1372 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1373 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1374 if test -r $srcdir/$dirname/configure ; then
1375 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1378 notsupp="$notsupp $dir"
1382 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1383 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1384 if test -r $srcdir/$dirname/configure ; then
1385 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1388 notsupp="$notsupp $dir"
1394 # Sometimes the tools are distributed with libiberty but with no other
1395 # libraries. In that case, we don't want to build target-libiberty.
1396 if test -n "${target_configdirs}" ; then
1398 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1399 if test "$i" != "libiberty" ; then
1400 if test -r $srcdir/$i/configure ; then
1406 if test -z "${others}" ; then
1411 # Quietly strip out all directories which aren't configurable in this tree.
1412 # This relies on all configurable subdirectories being autoconfiscated, which
1414 build_configdirs_all="$build_configdirs"
1416 for i in ${build_configdirs_all} ; do
1417 j=`echo $i | sed -e s/build-//g`
1418 if test -f ${srcdir}/$j/configure ; then
1419 build_configdirs="${build_configdirs} $i"
1423 configdirs_all="$configdirs"
1425 for i in ${configdirs_all} ; do
1426 if test -f ${srcdir}/$i/configure ; then
1427 configdirs="${configdirs} $i"
1431 target_configdirs_all="$target_configdirs"
1433 for i in ${target_configdirs_all} ; do
1434 j=`echo $i | sed -e s/target-//g`
1435 if test -f ${srcdir}/$j/configure ; then
1436 target_configdirs="${target_configdirs} $i"
1440 # Produce a warning message for the subdirs we can't configure.
1441 # This isn't especially interesting in the Cygnus tree, but in the individual
1442 # FSF releases, it's important to let people know when their machine isn't
1443 # supported by the one or two programs in a package.
1445 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1446 # If $appdirs is non-empty, at least one of those directories must still
1447 # be configured, or we error out. (E.g., if the gas release supports a
1448 # specified target in some subdirs but not the gas subdir, we shouldn't
1449 # pretend that all is well.)
1450 if test -n "$appdirs" ; then
1451 for dir in $appdirs ; do
1452 if test -r $dir/Makefile.in ; then
1453 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1457 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1463 if test -n "$appdirs" ; then
1464 echo "*** This configuration is not supported by this package." 1>&2
1468 # Okay, some application will build, or we don't care to check. Still
1469 # notify of subdirs not getting built.
1470 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1471 echo " ${notsupp}" 1>&2
1472 echo " (Any other directories should still work fine.)" 1>&2
1482 AC_ARG_WITH([build-sysroot],
1483 [ --with-build-sysroot=sysroot
1484 use sysroot as the system root during the build],
1485 [if test x"$withval" != x ; then
1486 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1488 [SYSROOT_CFLAGS_FOR_TARGET=])
1489 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1491 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1492 # the named directory are copied to $(tooldir)/sys-include.
1493 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1494 if test x${is_cross_compiler} = xno ; then
1495 echo 1>&2 '***' --with-headers is only supported when cross compiling
1498 if test x"${with_headers}" != xyes ; then
1499 case "${exec_prefixoption}" in
1501 *) x=${exec_prefix} ;;
1503 copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1507 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1508 # the name directories are copied to $(tooldir)/lib. Multiple directories
1510 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1511 if test x${is_cross_compiler} = xno ; then
1512 echo 1>&2 '***' --with-libs is only supported when cross compiling
1515 if test x"${with_libs}" != xyes ; then
1516 # Copy the libraries in reverse order, so that files in the first named
1517 # library override files in subsequent libraries.
1518 case "${exec_prefixoption}" in
1520 *) x=${exec_prefix} ;;
1522 for l in ${with_libs}; do
1523 copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1528 # Set with_gnu_as and with_gnu_ld as appropriate.
1530 # This is done by determining whether or not the appropriate directory
1531 # is available, and by checking whether or not specific configurations
1532 # have requested that this magic not happen.
1534 # The command line options always override the explicit settings in
1535 # configure.in, and the settings in configure.in override this magic.
1537 # If the default for a toolchain is to use GNU as and ld, and you don't
1538 # want to do that, then you should use the --without-gnu-as and
1539 # --without-gnu-ld options for the configure script.
1541 if test x${use_gnu_as} = x &&
1542 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1544 extra_host_args="$extra_host_args --with-gnu-as"
1547 if test x${use_gnu_ld} = x &&
1548 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1550 extra_host_args="$extra_host_args --with-gnu-ld"
1553 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1554 # can detect this case.
1556 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1558 extra_host_args="$extra_host_args --with-newlib"
1561 # Handle ${copy_dirs}
1562 set fnord ${copy_dirs}
1564 while test $# != 0 ; do
1565 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1568 echo Copying $1 to $2
1570 # Use the install script to create the directory and all required
1571 # parent directories.
1572 if test -d $2 ; then
1576 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1579 # Copy the directory, assuming we have tar.
1580 # FIXME: Should we use B in the second tar? Not all systems support it.
1581 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1583 # It is the responsibility of the user to correctly adjust all
1584 # symlinks. If somebody can figure out how to handle them correctly
1585 # here, feel free to add the code.
1592 # Determine a target-dependent exec_prefix that the installed
1593 # gcc will search in. Keep this list sorted by triplet, with
1594 # the *-*-osname triplets last.
1598 md_exec_prefix=/gnu/lib/gcc-lib
1600 i[34567]86-pc-msdosdjgpp*)
1601 md_exec_prefix=/dev/env/DJDIR/bin
1603 i[34567]86-*-sco3.2v5*)
1604 if test $with_gnu_as = yes; then
1605 md_exec_prefix=/usr/gnu/bin
1607 md_exec_prefix=/usr/ccs/bin/elf
1612 powerpc-*-chorusos* | \
1613 powerpc*-*-eabi* | \
1614 powerpc*-*-sysv* | \
1615 powerpc*-*-kaos* | \
1617 md_exec_prefix=/usr/ccs/bin
1622 md_exec_prefix=/usr/ccs/bin
1637 md_exec_prefix=/usr/ccs/bin
1641 extra_arflags_for_target=
1642 extra_nmflags_for_target=
1643 extra_ranlibflags_for_target=
1644 target_makefile_frag=/dev/null
1647 target_makefile_frag="config/mt-netware"
1649 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1650 target_makefile_frag="config/mt-gnu"
1652 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1653 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1654 # commands to handle both 32-bit and 64-bit objects. These flags are
1655 # harmless if we're using GNU nm or ar.
1656 extra_arflags_for_target=" -X32_64"
1657 extra_nmflags_for_target=" -B -X32_64"
1660 # ranlib from Darwin requires the -c flag to look at common symbols.
1661 extra_ranlibflags_for_target=" -c"
1663 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1664 target_makefile_frag="config/mt-wince"
1668 alphaieee_frag=/dev/null
1671 # This just makes sure to use the -mieee option to build target libs.
1672 # This should probably be set individually by each library.
1673 alphaieee_frag="config/mt-alphaieee"
1677 # If --enable-target-optspace always use -Os instead of -O2 to build
1678 # the target libraries, similarly if it is not specified, use -Os
1679 # on selected platforms.
1680 ospace_frag=/dev/null
1681 case "${enable_target_optspace}:${target}" in
1683 ospace_frag="config/mt-ospace"
1686 ospace_frag="config/mt-d30v"
1688 :m32r-* | :d10v-* | :fr30-*)
1689 ospace_frag="config/mt-ospace"
1694 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1698 # Default to using --with-stabs for certain targets.
1699 if test x${with_stabs} = x ; then
1701 mips*-*-irix[[56]]*)
1703 mips*-*-* | alpha*-*-osf*)
1705 extra_host_args="${extra_host_args} --with-stabs"
1710 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1711 # them automatically.
1714 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1718 # Some systems (e.g., one of the i386-aix systems the gas testers are
1719 # using) don't handle "\$" correctly, so don't use it here.
1720 tooldir='${exec_prefix}'/${target_alias}
1721 build_tooldir=${tooldir}
1723 # Create a .gdbinit file which runs the one in srcdir
1724 # and tells GDB to look there for source files.
1726 if test -r ${srcdir}/.gdbinit ; then
1729 *) cat > ./.gdbinit <<EOF
1733 source ${srcdir}/.gdbinit
1739 # Make sure that the compiler is able to generate an executable. If it
1740 # can't, we are probably in trouble. We don't care whether we can run the
1741 # executable--we might be using a cross compiler--we only care whether it
1742 # can be created. At this point the main configure script has set CC.
1744 echo "int main () { return 0; }" > conftest.c
1745 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1746 if test $? = 0 ; then
1747 if test -s conftest || test -s conftest.exe ; then
1753 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1754 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1761 # The Solaris /usr/ucb/cc compiler does not appear to work.
1763 sparc-sun-solaris2*)
1764 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1765 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1767 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1768 if test -d /opt/cygnus/bin ; then
1769 if test "$could_use" = "" ; then
1770 could_use="/opt/cygnus/bin"
1772 could_use="$could_use or /opt/cygnus/bin"
1775 if test "$could_use" = "" ; then
1776 echo "Warning: compilation may fail because you're using"
1777 echo "/usr/ucb/cc. You should change your PATH or CC "
1778 echo "variable and rerun configure."
1780 echo "Warning: compilation may fail because you're using"
1781 echo "/usr/ucb/cc, when you should use the C compiler from"
1782 echo "$could_use. You should change your"
1783 echo "PATH or CC variable and rerun configure."
1790 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1791 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1792 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1795 # Record target_configdirs and the configure arguments for target and
1796 # build configuration in Makefile.
1797 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1798 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1800 # Determine whether gdb needs tk/tcl or not.
1801 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1802 # and in that case we want gdb to be built without tk. Ugh!
1803 # In fact I believe gdb is the *only* package directly dependent on tk,
1804 # so we should be able to put the 'maybe's in unconditionally and
1805 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1806 # 100% sure that that's safe though.
1808 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1809 case "$enable_gdbtk" in
1813 GDB_TK="${gdb_tk}" ;;
1815 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1816 # distro. Eventually someone will fix this and move Insight, nee
1817 # gdbtk to a separate directory.
1818 if test -d ${srcdir}/gdb/gdbtk ; then
1825 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1826 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1828 # Strip out unwanted targets.
1830 # While at that, we remove Makefiles if we were started for recursive
1831 # configuration, so that the top-level Makefile reconfigures them,
1832 # like we used to do when configure itself was recursive.
1834 # Loop over modules. $extrasub must be used with care, limiting as
1835 # much as possible the usage of range addresses. That's because autoconf
1836 # splits the sed script to overcome limits in the number of commands,
1837 # and relying on carefully-timed sed passes may turn out to be very hard
1838 # to maintain later. In this particular case, you just have to be careful
1839 # not to nest @if/@endif pairs, because configure will not warn you at all.
1841 AC_ARG_ENABLE([bootstrap],
1842 [ --enable-bootstrap Enable bootstrapping [yes if native build]],,
1843 enable_bootstrap=default)
1845 # Issue errors and warnings for invalid/strange bootstrap combinations.
1846 case "$configdirs" in
1847 *gcc*) have_compiler=yes ;;
1848 *) have_compiler=no ;;
1851 case "$have_compiler:$host:$target:$enable_bootstrap" in
1854 # Default behavior. Enable bootstrap if we have a compiler
1855 # and we are in a native configuration.
1856 yes:$build:$build:default)
1857 enable_bootstrap=yes ;;
1860 enable_bootstrap=no ;;
1862 # We have a compiler and we are in a native configuration, bootstrap is ok
1863 yes:$build:$build:yes)
1866 # Other configurations, but we have a compiler. Assume the user knows
1869 AC_MSG_WARN([trying to bootstrap a cross compiler])
1872 # No compiler: if they passed --enable-bootstrap explicitly, fail
1874 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1876 # Fail if wrong command line
1878 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1882 # Adjust the toplevel makefile according to whether bootstrap was selected.
1883 case "$enable_bootstrap" in
1885 bootstrap_suffix=bootstrap ;;
1887 bootstrap_suffix=no-bootstrap ;;
1890 for module in ${build_configdirs} ; do
1891 if test -z "${no_recursion}" \
1892 && test -f ${build_subdir}/${module}/Makefile; then
1893 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1894 rm -f ${build_subdir}/${module}/Makefile
1897 /^@if build-$module\$/d
1898 /^@endif build-$module\$/d
1899 /^@if build-$module-$bootstrap_suffix\$/d
1900 /^@endif build-$module-$bootstrap_suffix\$/d"
1902 for module in ${configdirs} ; do
1903 if test -z "${no_recursion}"; then
1904 for file in stage*-${module}/Makefile ${module}/Makefile; do
1905 if test -f ${file}; then
1906 echo 1>&2 "*** removing ${file} to force reconfigure"
1913 /^@endif $module\$/d
1914 /^@if $module-$bootstrap_suffix\$/d
1915 /^@endif $module-$bootstrap_suffix\$/d"
1917 for module in ${target_configdirs} ; do
1918 if test -z "${no_recursion}" \
1919 && test -f ${target_subdir}/${module}/Makefile; then
1920 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1921 rm -f ${target_subdir}/${module}/Makefile
1924 /^@if target-$module\$/d
1925 /^@endif target-$module\$/d
1926 /^@if target-$module-$bootstrap_suffix\$/d
1927 /^@endif target-$module-$bootstrap_suffix\$/d"
1931 /^@if /,/^@endif /d"
1933 # Create the serialization dependencies. This uses a temporary file.
1935 AC_ARG_ENABLE([serial-configure],
1936 [ --enable-serial-[{host,target,build}-]configure
1937 Force sequential configuration of
1938 sub-packages for the host, target or build
1939 machine, or all sub-packages])
1941 case ${enable_serial_configure} in
1943 enable_serial_build_configure=yes
1944 enable_serial_host_configure=yes
1945 enable_serial_target_configure=yes
1949 # These force 'configure's to be done one at a time, to avoid problems
1950 # with contention over a shared config.cache.
1952 echo '# serdep.tmp' > serdep.tmp
1954 test "x${enable_serial_build_configure}" = xyes &&
1955 for item in ${build_configdirs} ; do
1958 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1963 test "x${enable_serial_host_configure}" = xyes &&
1964 for item in ${configdirs} ; do
1967 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1972 test "x${enable_serial_target_configure}" = xyes &&
1973 for item in ${target_configdirs} ; do
1976 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1980 serialization_dependencies=serdep.tmp
1981 AC_SUBST_FILE(serialization_dependencies)
1983 # Base args. Strip norecursion, cache-file, srcdir, host, build,
1984 # target and nonopt. These are the ones we might not want to pass
1985 # down to subconfigures. Also strip program-prefix, program-suffix,
1986 # and program-transform-name, so that we can pass down a consistent
1987 # program-transform-name. If autoconf has put single quotes around
1988 # any of these arguments (because they contain shell metacharacters)
1989 # then this will fail; in practice this only happens for
1990 # --program-transform-name, so be sure to override --program-transform-name
1991 # at the end of the argument list.
1992 # These will be expanded by make, so quote '$'.
1993 cat <<\EOF_SED > conftestsed
1995 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
1996 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
1997 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
1998 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
1999 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
2000 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
2001 s/ -cache-file[[= ]][[^ ]]*//g
2002 s/ -srcdir[[= ]][[^ ]]*//g
2003 s/ -host[[= ]][[^ ]]*//g
2004 s/ -build[[= ]][[^ ]]*//g
2005 s/ -target[[= ]][[^ ]]*//g
2006 s/ -program-prefix[[= ]][[^ ]]*//g
2007 s/ -program-suffix[[= ]][[^ ]]*//g
2008 s/ -program-transform-name[[= ]][[^ ]]*//g
2009 s/ [[^' -][^ ]*] / /
2013 sed -f conftestsed <<EOF_SED > conftestsed.out
2014 ${ac_configure_args}
2016 baseargs=`cat conftestsed.out`
2017 rm -f conftestsed conftestsed.out
2019 # Add in --program-transform-name, after --program-prefix and
2020 # --program-suffix have been applied to it. Autoconf has already
2021 # doubled dollar signs and backslashes in program_transform_name; we want
2022 # the backslashes un-doubled, and then the entire thing wrapped in single
2023 # quotes, because this will be expanded first by make and then by the shell.
2024 # Also, because we want to override the logic in subdir configure scripts to
2025 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2026 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2027 ${program_transform_name}
2029 gcc_transform_name=`cat conftestsed.out`
2030 rm -f conftestsed.out
2031 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2033 # For the build-side libraries, we just need to pretend we're native,
2034 # and not use the same cache file. Multilibs are neither needed nor
2036 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
2038 # For host modules, accept cache file option, or specification as blank.
2039 case "${cache_file}" in
2041 cache_file_option="" ;;
2042 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2043 cache_file_option="--cache-file=${cache_file}" ;;
2045 cache_file_option="--cache-file=../${cache_file}" ;;
2048 # Host dirs don't like to share a cache file either, horribly enough.
2049 # This seems to be due to autoconf 2.5x stupidity.
2050 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
2052 target_configargs=${baseargs}
2054 # Passing a --with-cross-host argument lets the target libraries know
2055 # whether they are being built with a cross-compiler or being built
2056 # native. However, it would be better to use other mechanisms to make the
2057 # sorts of decisions they want to make on this basis. Please consider
2058 # this option to be deprecated. FIXME.
2059 if test x${is_cross_compiler} = xyes ; then
2060 target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
2063 # Default to --enable-multilib.
2064 if test x${enable_multilib} = x ; then
2065 target_configargs="--enable-multilib ${target_configargs}"
2068 # Pass --with-newlib if appropriate. Note that target_configdirs has
2069 # changed from the earlier setting of with_newlib.
2070 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2071 target_configargs="--with-newlib ${target_configargs}"
2074 # Different target subdirs use different values of certain variables
2075 # (notably CXX). Worse, multilibs use *lots* of different values.
2076 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2077 # it doesn't automatically accept command-line overrides of them.
2078 # This means it's not safe for target subdirs to share a cache file,
2079 # which is disgusting, but there you have it. Hopefully this can be
2080 # fixed in future. It's still worthwhile to use a cache file for each
2081 # directory. I think.
2083 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2084 # We need to pass --target, as newer autoconf's requires consistency
2085 # for target_alias and gcc doesn't manage it consistently.
2086 target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
2089 case " $target_configdirs " in
2091 case " $target_configargs " in
2092 *" --with-newlib "*)
2095 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 $$s/winsup/w32api/include' ;;
2098 # If we're not building GCC, don't discard standard headers.
2099 if test -d ${srcdir}/gcc; then
2100 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2102 if test "${build}" != "${host}"; then
2103 # On Canadian crosses, CC_FOR_TARGET will have already been set
2104 # by `configure', so we won't have an opportunity to add -Bgcc/
2105 # to it. This is right: we don't want to search that directory
2106 # for binaries, but we want the header files in there, so add
2108 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2110 # Someone might think of using the pre-installed headers on
2111 # Canadian crosses, in case the installed compiler is not fully
2112 # compatible with the compiler being built. In this case, it
2113 # would be better to flag an error than risking having
2114 # incompatible object files being constructed. We can't
2115 # guarantee that an error will be flagged, but let's hope the
2116 # compiler will do it, when presented with incompatible header
2121 case "${target}-${is_cross_compiler}" in
2122 i[[3456789]]86-*-linux*-no)
2123 # Here host == target, so we don't need to build gcc,
2124 # so we don't want to discard standard headers.
2125 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2128 # If we're building newlib, use its generic headers last, but search
2129 # for any libc-related directories first (so make it the last -B
2131 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2140 # Can't be handled as Cygwin above since Mingw does not use newlib.
2141 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
2144 # Allow the user to override the flags for
2145 # our build compiler if desired.
2146 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2148 # On Canadian crosses, we'll be searching the right directories for
2149 # the previously-installed cross compiler, so don't bother to add
2150 # flags for directories within the install tree of the compiler
2151 # being built; programs in there won't even run.
2152 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2153 # Search for pre-installed headers if nothing else fits.
2154 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2157 if test "x${use_gnu_ld}" = x &&
2158 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2159 # Arrange for us to find uninstalled linker scripts.
2160 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2163 # Search for other target-specific linker scripts and such.
2166 if test -d ${srcdir}/libgloss/m32c; then
2167 # This is for crt0.o
2168 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2169 # This is for r8c.ld
2170 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2171 # This is for libnosys.a
2172 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2177 # Makefile fragments.
2178 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2180 eval fragval=\$$frag
2181 if test $fragval != /dev/null; then
2182 eval $frag=${srcdir}/$fragval
2185 AC_SUBST_FILE(host_makefile_frag)
2186 AC_SUBST_FILE(target_makefile_frag)
2187 AC_SUBST_FILE(alphaieee_frag)
2188 AC_SUBST_FILE(ospace_frag)
2190 # Miscellanea: directories, flags, etc.
2191 AC_SUBST(RPATH_ENVVAR)
2193 AC_SUBST(build_tooldir)
2194 AC_SUBST(CONFIGURE_GDB_TK)
2196 AC_SUBST(INSTALL_GDB_TK)
2198 # Build module lists & subconfigure args.
2199 AC_SUBST(build_configargs)
2200 AC_SUBST(build_configdirs)
2202 # Host module lists & subconfigure args.
2203 AC_SUBST(host_configargs)
2204 AC_SUBST(configdirs)
2206 # Target module lists & subconfigure args.
2207 AC_SUBST(target_configargs)
2211 AC_SUBST(CC_FOR_BUILD)
2212 AC_SUBST(config_shell)
2214 # Generate default definitions for YACC, M4, LEX and other programs that run
2215 # on the build machine. These are used if the Makefile can't locate these
2216 # programs in objdir.
2217 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2219 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2220 case " $build_configdirs " in
2221 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2222 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2225 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2226 case " $build_configdirs " in
2227 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2230 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2231 case " $build_configdirs " in
2232 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2235 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2236 case " $build_configdirs " in
2237 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2238 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2241 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2242 case " $build_configdirs " in
2243 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2246 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2247 case " $build_configdirs " in
2248 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2251 # For an installed makeinfo, we require it to be from texinfo 4.4 or
2252 # higher, else we use the "missing" dummy.
2253 if ${MAKEINFO} --version \
2254 | egrep 'texinfo[^0-9]*(4\.([4-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2257 MAKEINFO="$MISSING makeinfo"
2263 # FIXME: expect and dejagnu may become build tools?
2265 AC_CHECK_PROGS(EXPECT, expect, expect)
2266 case " $configdirs " in
2268 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2272 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2273 case " $configdirs " in
2275 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2281 NCN_STRICT_CHECK_TOOLS(AR, ar)
2282 NCN_STRICT_CHECK_TOOLS(AS, as)
2283 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2284 NCN_STRICT_CHECK_TOOLS(LD, ld)
2285 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2286 NCN_STRICT_CHECK_TOOLS(NM, nm)
2287 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2288 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2289 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2290 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2291 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2295 AC_SUBST(CFLAGS_FOR_BUILD)
2299 AC_ARG_WITH([build-time-tools],
2300 [ --with-build-time-tools=path
2301 use given path to find target tools during the build],
2302 [case x"$withval" in
2305 with_build_time_tools=
2306 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2309 [with_build_time_tools=])
2311 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2312 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2313 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2314 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2315 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2317 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2318 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2319 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2320 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2321 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2322 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2323 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2324 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2325 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2326 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2328 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2330 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2331 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2332 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2333 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2334 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2336 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2337 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2339 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2340 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2341 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2342 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2343 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2344 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2345 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2346 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2347 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2348 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2349 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2350 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2351 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2353 AC_SUBST(FLAGS_FOR_TARGET)
2354 AC_SUBST(RAW_CXX_FOR_TARGET)
2356 # Certain tools may need extra flags.
2357 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2358 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2359 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2361 # When building target libraries, except in a Canadian cross, we use
2362 # the same toolchain as the compiler we just built.
2363 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2364 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2365 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2366 if test $host = $build; then
2367 case " $configdirs " in
2369 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2370 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2371 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2376 AC_SUBST(COMPILER_AS_FOR_TARGET)
2377 AC_SUBST(COMPILER_LD_FOR_TARGET)
2378 AC_SUBST(COMPILER_NM_FOR_TARGET)
2380 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2381 AC_ARG_ENABLE(maintainer-mode,
2382 [ --enable-maintainer-mode enable make rules and dependencies not useful
2383 (and sometimes confusing) to the casual installer],
2384 USE_MAINTAINER_MODE=$enableval,
2385 USE_MAINTAINER_MODE=no)
2386 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2387 AC_SUBST(MAINTAINER_MODE_TRUE)
2388 AC_SUBST(MAINTAINER_MODE_FALSE)
2389 if test "$USE_MAINTAINER_MODE" = yes; then
2390 MAINTAINER_MODE_TRUE=
2391 MAINTAINER_MODE_FALSE='#'
2393 MAINTAINER_MODE_TRUE='#'
2394 MAINTAINER_MODE_FALSE=
2396 MAINT=$MAINTAINER_MODE_TRUE
2399 # ---------------------
2400 # GCC bootstrap support
2401 # ---------------------
2403 # Stage specific cflags for build.
2408 yes) stage1_cflags="-g -Wa,-J" ;;
2409 *) stage1_cflags="-g -J" ;;
2412 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
2413 # sources; use -no-cpp-precomp to get to GNU cpp.
2414 # Apple's GCC has bugs in designated initializer handling, so disable
2416 stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
2420 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
2421 if test "$GCC" = yes; then
2422 saved_CFLAGS="$CFLAGS"
2424 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
2425 CFLAGS="$CFLAGS -fkeep-inline-functions"
2426 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2428 #if (__GNUC__ < 3) \
2429 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
2430 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
2431 #error http://gcc.gnu.org/PR29382
2434 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
2435 [AC_MSG_RESULT([no])])
2437 CFLAGS="$saved_CFLAGS"
2440 AC_SUBST(stage1_cflags)
2442 # Enable --enable-checking in stage1 of the compiler.
2443 AC_ARG_ENABLE(stage1-checking,
2444 [ --enable-stage1-checking[=all] choose additional checking for stage1
2446 [stage1_checking=--enable-checking=${enable_stage1_checking}],
2447 [if test "x$enable_checking" = xno; then
2448 stage1_checking=--enable-checking
2450 stage1_checking=--enable-checking${enable_checking+=}$enable_checking
2452 AC_SUBST(stage1_checking)
2454 # Enable -Werror in bootstrap stage2 and later.
2455 AC_ARG_ENABLE(werror,
2456 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2457 [if test -d gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
2462 case ${enable_werror} in
2463 yes) stage2_werror_flag="--enable-werror-always" ;;
2464 *) stage2_werror_flag="" ;;
2466 AC_SUBST(stage2_werror_flag)
2468 # Flags needed to enable html installing and building
2469 AC_ARG_WITH(datarootdir,
2470 [ --with-datarootdir Use datarootdir as the data root directory.],
2471 [datarootdir="\${prefix}/${withval}"],
2472 [datarootdir="\${prefix}/share"])
2475 [ --with-docdir Install documentation in this directory.],
2476 [docdir="\${prefix}/${withval}"],
2477 [docdir="\${datarootdir}/doc"])
2479 AC_ARG_WITH(htmldir,
2480 [ --with-htmldir Install html in this directory.],
2481 [htmldir="\${prefix}/${withval}"],
2482 [htmldir="\${docdir}"])
2484 AC_SUBST(datarootdir)