1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007 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)
26 # Find the build, host, and target systems.
27 ACX_NONCANONICAL_BUILD
29 ACX_NONCANONICAL_TARGET
31 dnl Autoconf 2.5x and later will set a default program prefix if
32 dnl --target was used, even if it was the same as --host. Disable
33 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
35 test "$host_noncanonical" = "$target_noncanonical" &&
36 test "$program_prefix$program_suffix$program_transform_name" = \
38 program_transform_name=s,y,y,
43 m4_pattern_allow([^AS_FOR_TARGET$])dnl
45 # Get 'install' or 'install-sh' and its variants.
50 ### we might need to use some other shell than /bin/sh for running subshells
51 ### If we are on Windows, search for the shell. This will permit people
52 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
53 ### without also having to set CONFIG_SHELL. This code will work when
54 ### using bash, which sets OSTYPE.
57 if test x${CONFIG_SHELL} = x ; then
58 if test ! -f /bin/sh ; then
59 if test x${SHELL} != x && test -f ${SHELL} ; then
63 for prog in sh sh.exe bash bash.exe; do
64 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
66 test -z "$dir" && dir=.
67 if test -f $dir/$prog; then
68 CONFIG_SHELL=$dir/$prog
74 test -n "${CONFIG_SHELL}" && break
82 config_shell=${CONFIG_SHELL-/bin/sh}
85 # if PWD already has a value, it is probably wrong.
86 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
88 # Export original configure arguments for use by sub-configures.
89 # Quote arguments with shell meta charatcers.
90 TOPLEVEL_CONFIGURE_ARGUMENTS=
91 set -- "$progname" "$@"
94 *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
95 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
96 # if the argument is of the form -foo=baz, quote the baz part only
97 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
100 # Add the quoted argument to the list.
101 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
103 # Remove the initial space we just introduced and, as these will be
104 # expanded by make, quote '$'.
105 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
106 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
108 moveifchange=${srcdir}/move-if-change
110 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
112 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
114 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
115 INSTALL="${srcpwd}/install-sh -c"
118 # Set srcdir to "." if that's what it is.
119 # This is important for multilib support.
121 if test "${pwd}" = "${srcpwd}" ; then
129 ### To add a new directory to the tree, first choose whether it is a target
130 ### or a host dependent tool. Then put it into the appropriate list
131 ### (library or tools, host or target), doing a dependency sort.
133 # Subdirs will be configured in the order listed in build_configdirs,
134 # configdirs, or target_configdirs; see the serialization section below.
136 # Dependency sorting is only needed when *configuration* must be done in
137 # a particular order. In all cases a dependency should be specified in
138 # the Makefile, whether or not it's implicitly specified here.
140 # Double entries in build_configdirs, configdirs, or target_configdirs may
141 # cause circular dependencies and break everything horribly.
143 # these library is used by various programs built for the build
146 build_libs="build-libiberty"
148 # these tools are built for the build environment
149 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
151 # these libraries are used by various programs built for the host environment
153 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr"
155 # these tools are built for the host environment
156 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
157 # know that we are building the simulator.
158 # binutils, gas and ld appear in that order because it makes sense to run
159 # "make check" in that particular order.
160 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"
162 # libgcj represents the runtime libraries only used by gcj.
163 libgcj="target-libffi \
168 # these libraries are built for the target environment, and are built after
169 # the host libraries and the host tools (which may be a cross compiler)
171 target_libraries="target-libgcc \
175 target-libstdc++-v3 \
185 # these tools are built using the target libraries, and are intended to
186 # run only in the target environment
188 # note: any program that *uses* libraries that are in the "target_libraries"
189 # list belongs in this list. those programs are also very likely
190 # candidates for the "native_only" list which follows
192 target_tools="target-examples target-groff target-gperf target-rda"
194 ################################################################################
196 ## All tools belong in one of the four categories, and are assigned above
197 ## We assign ${configdirs} this way to remove all embedded newlines. This
198 ## is important because configure will choke if they ever get through.
199 ## ${configdirs} is directories we build using the host tools.
200 ## ${target_configdirs} is directories we build using the target tools.
201 configdirs=`echo ${host_libs} ${host_tools}`
202 target_configdirs=`echo ${target_libraries} ${target_tools}`
203 build_configdirs=`echo ${build_libs} ${build_tools}`
205 ################################################################################
207 srcname="gnu development package"
209 # This gets set non-empty for some net releases of packages.
212 # Define is_cross_compiler to save on calls to 'test'.
214 if test x"${host}" = x"${target}" ; then
217 is_cross_compiler=yes
220 # Find the build and target subdir names.
223 # Skipdirs are removed silently.
225 # Noconfigdirs are removed loudly.
229 # Make sure we don't let GNU ld be added if we didn't want it.
230 if test x$with_gnu_ld = xno ; then
232 noconfigdirs="$noconfigdirs ld"
236 # Make sure we don't let GNU as be added if we didn't want it.
237 if test x$with_gnu_as = xno ; then
239 noconfigdirs="$noconfigdirs gas"
242 # some tools are so dependent upon X11 that if we're not building with X,
243 # it's not even worth trying to configure, much less build, that tool.
246 yes | "") ;; # the default value for this tree is that X11 is available
248 skipdirs="${skipdirs} tk itcl libgui"
249 # We won't be able to build gdbtk without X.
252 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
255 # Some tools are only suitable for building in a "native" situation.
256 # Remove these if host!=target.
257 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"
259 # Similarly, some are only suitable for cross toolchains.
260 # Remove these if host=target.
261 cross_only="target-libgloss target-newlib target-opcodes"
263 case $is_cross_compiler in
264 no) skipdirs="${skipdirs} ${cross_only}" ;;
265 yes) skipdirs="${skipdirs} ${native_only}" ;;
268 # If both --with-headers and --with-libs are specified, default to
270 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
271 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
272 if test x"${with_newlib}" = x ; then
277 # Recognize --with-newlib/--without-newlib.
278 case ${with_newlib} in
279 no) skipdirs="${skipdirs} target-newlib" ;;
280 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
283 # Configure extra directories which are host specific
287 configdirs="$configdirs libtermcap" ;;
290 # A target can indicate whether a language isn't supported for some reason.
291 # Only spaces may be used in this macro; not newlines or tabs.
292 unsupported_languages=
294 # Remove more programs from consideration, based on the host or
295 # target this usually means that a port of the program doesn't
300 noconfigdirs="$noconfigdirs byacc"
302 i[[3456789]]86-*-vsta)
303 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
305 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
306 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
309 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
311 i[[3456789]]86-*-mingw32*)
312 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
313 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
315 i[[3456789]]86-*-beos*)
316 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
319 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
322 noconfigdirs="$noconfigdirs rcs"
325 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
328 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
333 AC_ARG_ENABLE(libada,
334 [ --enable-libada Builds libada directory],
335 ENABLE_LIBADA=$enableval,
337 if test "${ENABLE_LIBADA}" != "yes" ; then
338 noconfigdirs="$noconfigdirs gnattools"
341 AC_ARG_ENABLE(libssp,
342 [ --enable-libssp Builds libssp directory],
343 ENABLE_LIBSSP=$enableval,
346 # Save it here so that, even in case of --enable-libgcj, if the Java
347 # front-end isn't enabled, we still get libgcj disabled.
349 case $enable_libgcj in
351 # If we reset it here, it won't get added to noconfigdirs in the
352 # target-specific build rules, so it will be forcibly enabled
353 # (unless the Java language itself isn't enabled).
357 # Make sure we get it printed in the list of not supported target libs.
358 noconfigdirs="$noconfigdirs ${libgcj}"
363 # Disable libmudflap on some systems.
364 if test x$enable_libmudflap = x ; then
366 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
367 # Enable libmudflap by default in GNU and friends.
370 # Enable libmudflap by default in FreeBSD.
373 # Disable it by default everywhere else.
374 noconfigdirs="$noconfigdirs target-libmudflap"
379 # Disable libgomp on non POSIX hosted systems.
380 if test x$enable_libgomp = x ; then
381 # Enable libgomp by default on hosted POSIX systems.
383 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
385 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
387 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
389 *-*-darwin* | *-*-aix*)
392 noconfigdirs="$noconfigdirs target-libgomp"
400 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
402 powerpc-*-darwin* | i[[3456789]]86-*-darwin*)
403 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
404 noconfigdirs="$noconfigdirs sim target-rda"
407 noconfigdirs="$noconfigdirs ld gas gdb gprof"
408 noconfigdirs="$noconfigdirs sim target-rda"
409 noconfigdirs="$noconfigdirs ${libgcj}"
411 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
412 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
415 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
416 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
417 && test -f /usr/local/include/gmp.h; then
421 # Skip some stuff that's unsupported on some FreeBSD configurations.
426 noconfigdirs="$noconfigdirs ${libgcj}"
431 # Remove unsupported stuff on all kaOS configurations.
432 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
433 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
434 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
435 noconfigdirs="$noconfigdirs target-libgloss"
438 # Skip some stuff on all NetBSD configurations.
439 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
441 # Skip some stuff that's unsupported on some NetBSD configurations.
443 i*86-*-netbsdelf*) ;;
444 arm*-*-netbsdelf*) ;;
446 noconfigdirs="$noconfigdirs ${libgcj}"
451 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
454 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
456 # The tpf target doesn't support gdb yet.
458 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
461 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
464 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
467 # ld works, but does not support shared libraries.
468 # newlib is not 64 bit ready. I'm not sure about fileutils.
469 # gas doesn't generate exception information.
470 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
473 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
476 # newlib is not 64 bit ready
477 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
480 # newlib is not 64 bit ready
481 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
484 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
487 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
489 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
490 noconfigdirs="$noconfigdirs ${libgcj}"
491 noconfigdirs="$noconfigdirs target-examples"
492 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
493 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
494 noconfigdirs="$noconfigdirs expect dejagnu"
495 # the C++ libraries don't build on top of CE's C libraries
496 noconfigdirs="$noconfigdirs target-libstdc++-v3"
497 noconfigdirs="$noconfigdirs target-newlib"
499 *-*-cygwin*) ;; # keep gdb and readline
500 *) noconfigdirs="$noconfigdirs gdb readline"
505 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
509 arm-*-coff | strongarm-*-coff | xscale-*-coff)
510 noconfigdirs="$noconfigdirs ${libgcj}"
512 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
513 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
515 arm*-*-linux-gnueabi)
516 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
517 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
520 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
523 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
526 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
529 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
532 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
535 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
538 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
541 noconfigdirs="$noconfigdirs gdb"
542 if test x${is_cross_compiler} != xno ; then
543 target_configdirs="${target_configdirs} target-bsp target-cygmon"
547 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
549 c54x*-*-* | tic54x-*-*)
550 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
552 cris-*-* | crisv32-*-*)
553 unsupported_languages="$unsupported_languages java"
556 unsupported_languages="$unsupported_languages fortran"
557 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
559 unsupported_languages="$unsupported_languages fortran"
560 noconfigdirs="$noconfigdirs target-boehm-gc";;
562 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
564 unsupported_languages="$unsupported_languages fortran"
565 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
569 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
572 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
575 noconfigdirs="$noconfigdirs ${libgcj} gdb"
578 noconfigdirs="$noconfigdirs ${libgcj} gdb"
581 noconfigdirs="$noconfigdirs ${libgcj}"
584 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
587 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
589 hppa1.1-*-osf* | hppa1.1-*-bsd* )
591 hppa*64*-*-linux* | parisc*64*-*-linux*)
592 # In this case, it's because the hppa64-linux target is for
593 # the kernel only at this point and has no libc, and thus no
594 # headers, crt*.o, etc., all of which are needed by these.
595 noconfigdirs="$noconfigdirs target-zlib"
597 parisc*-*-linux* | hppa*-*-linux*)
603 noconfigdirs="$noconfigdirs ${libgcj}"
606 noconfigdirs="$noconfigdirs ld shellutils"
609 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
610 # build on HP-UX 10.20.
611 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
614 noconfigdirs="$noconfigdirs ${libgcj} gdb"
617 # No gdb support yet.
618 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
621 # No gdb or ld support yet.
622 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
626 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
627 noconfigdirs="$noconfigdirs ${libgcj}"
629 i[[3456789]]86-*-linux*)
630 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
631 # not build java stuff by default.
634 noconfigdirs="$noconfigdirs ${libgcj}";;
637 # This section makes it possible to build newlib natively on linux.
638 # If we are using a cross compiler then don't configure newlib.
639 if test x${is_cross_compiler} != xno ; then
640 noconfigdirs="$noconfigdirs target-newlib"
642 noconfigdirs="$noconfigdirs target-libgloss"
643 # If we are not using a cross compiler, do configure newlib.
644 # Note however, that newlib will only be configured in this situation
645 # if the --with-newlib option has been given, because otherwise
646 # 'target-newlib' will appear in skipdirs.
648 i[[3456789]]86-*-mingw32*)
649 target_configdirs="$target_configdirs target-winsup"
650 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
653 target_configdirs="$target_configdirs target-winsup"
654 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
657 target_configdirs="$target_configdirs target-libtermcap target-winsup"
658 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
659 # always build newlib if winsup directory is present.
660 if test -d "$srcdir/winsup/cygwin"; then
661 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
662 elif test -d "$srcdir/newlib"; then
663 echo "Warning: winsup/cygwin is missing so newlib can't be built."
666 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
667 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
670 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
672 i[[3456789]]86-*-sco3.2v5*)
673 # The linker does not yet know about weak symbols in COFF,
674 # and is not configured to handle mixed ELF and COFF.
675 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
677 i[[3456789]]86-*-sco*)
678 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
680 i[[3456789]]86-*-solaris2*)
681 noconfigdirs="$noconfigdirs target-libgloss"
683 i[[3456789]]86-*-sysv4*)
684 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
686 i[[3456789]]86-*-beos*)
687 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
689 i[[3456789]]86-*-rdos*)
690 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
693 noconfigdirs="$noconfigdirs ${libgcj}"
695 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
696 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
699 noconfigdirs="$noconfigdirs ${libgcj}"
702 noconfigdirs="$noconfigdirs ${libgcj}"
705 # The EPOC C++ environment does not support exceptions or rtti,
706 # and so building libstdc++-v3 tends not to always work.
707 noconfigdirs="$noconfigdirs target-libstdc++-v3"
710 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
711 unsupported_languages="$unsupported_languages fortran java"
714 noconfigdirs="$noconfigdirs ${libgcj}"
717 noconfigdirs="$noconfigdirs ${libgcj}"
720 noconfigdirs="$noconfigdirs sim"
723 # copied from rs6000-*-* entry
724 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
726 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
727 target_configdirs="$target_configdirs target-winsup"
728 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
729 # always build newlib.
730 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
732 # This is temporary until we can link against shared libraries
733 powerpcle-*-solaris*)
734 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
737 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
740 noconfigdirs="$noconfigdirs ${libgcj}"
742 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
745 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
748 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
751 noconfigdirs="$noconfigdirs gprof ${libgcj}"
754 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
757 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
760 # Linking libjava exceeds command-line length limits on at least
761 # IRIX 6.2, but not on IRIX 6.5.
762 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
763 # <oldham@codesourcery.com>
764 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
767 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
770 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
773 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
776 noconfigdirs="$noconfigdirs gprof ${libgcj}"
779 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
783 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
784 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
785 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
786 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
788 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
791 noconfigdirs="$noconfigdirs ${libgcj}"
794 noconfigdirs="$noconfigdirs ${libgcj}"
797 noconfigdirs="$noconfigdirs ${libgcj}"
800 noconfigdirs="$noconfigdirs ${libgcj}"
801 if test x${is_cross_compiler} != xno ; then
802 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
807 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
808 noconfigdirs="$noconfigdirs ${libgcj}"
810 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
813 skipdirs="target-libssp"
816 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
819 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
822 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
825 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
828 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
831 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
834 noconfigdirs="$noconfigdirs ${libgcj}"
837 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
839 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
840 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
843 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
846 noconfigdirs="$noconfigdirs ${libgcj}"
850 # If we aren't building newlib, then don't build libgloss, since libgloss
851 # depends upon some newlib header files.
852 case "${noconfigdirs}" in
853 *target-libgloss*) ;;
854 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
857 # Work in distributions that contain no compiler tools, like Autoconf.
859 host_makefile_frag=/dev/null
860 if test -d ${srcdir}/config ; then
863 # Avoid "too much defining" errors from HPUX compiler.
864 tentative_cc="cc -Wp,-H256000"
865 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
866 # If it's HP/UX ar, this should be harmless.
870 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
873 #None of the Apollo compilers can compile gas or binutils. The preprocessor
874 # chokes on bfd, the compiler won't let you assign integers to enums, and
875 # other problems. Defining CC to gcc is a questionable way to say "don't use
876 # the apollo compiler" (the preferred version of GCC could be called cc,
877 # or whatever), but I'm not sure leaving CC as cc is any better...
878 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
879 # Used to have BISON=yacc.
883 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
886 # Under CX/UX, we want to tell the compiler to use ANSI mode.
887 tentative_cc="cc -Xa"
888 host_makefile_frag="config/mh-cxux"
893 tentative_cc="cc -Wf,-XNg1000"
894 host_makefile_frag="config/mh-decstation"
897 # The C compiler on NEC MIPS SVR4 needs bigger tables.
898 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
899 host_makefile_frag="config/mh-necv4"
902 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
903 # environment. Also bump switch table size so that cp-parse will
904 # compile. Bump string length limit so linker builds.
905 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
908 host_makefile_frag="config/mh-sysv4"
911 # This is for a MIPS running RISC/os 4.52C.
913 # This is needed for GDB, but needs to be in the top-level make because
914 # if a library is compiled with the bsd headers and gets linked with the
915 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
917 # ptrace(2) apparently has problems in the BSD environment. No workaround is
918 # known except to select the sysv environment. Could we use /proc instead?
919 # These "sysv environments" and "bsd environments" often end up being a pain.
921 # This is not part of CFLAGS because perhaps not all C compilers have this
923 tentative_cc="cc -systype sysv"
928 i[[3456789]]86-*-sysv5*)
929 host_makefile_frag="config/mh-sysv5"
931 i[[3456789]]86-*-dgux*)
932 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
933 host_makefile_frag="config/mh-dgux386"
935 i[[3456789]]86-ncr-sysv4.3*)
936 # The MetaWare compiler will generate a copyright message unless you
937 # turn it off by adding the -Hnocopyr flag.
938 tentative_cc="cc -Hnocopyr"
940 i[[3456789]]86-ncr-sysv4*)
941 # for an NCR 3000 (i486/SVR4) system.
942 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
943 # This compiler not only emits obnoxious copyright messages every time
944 # you run it, but it chokes and dies on a whole bunch of GNU source
945 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
946 tentative_cc="/usr/ccs/ATT/cc"
947 host_makefile_frag="config/mh-ncr3000"
949 i[[3456789]]86-*-sco3.2v5*)
951 i[[3456789]]86-*-sco*)
952 # The native C compiler botches some simple uses of const. Unfortunately,
953 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
954 tentative_cc="cc -Dconst="
955 host_makefile_frag="config/mh-sco"
957 i[[3456789]]86-*-udk*)
958 host_makefile_frag="config/mh-sysv5"
960 i[[3456789]]86-*-solaris2*)
961 host_makefile_frag="config/mh-sysv4"
963 i[[3456789]]86-*-msdosdjgpp*)
964 host_makefile_frag="config/mh-djgpp"
967 host_makefile_frag="config/mh-cygwin"
974 host_makefile_frag="config/mh-interix"
977 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
981 host_makefile_frag="config/mh-solaris"
984 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
985 # without overflowing the jump tables (-J says to use a 32 bit table)
989 tentative_cc="cc -Wp,-H256000"
992 tentative_cc="cc -Wp,-H256000"
995 # /bin/cc is less than useful for our purposes. Always use GCC
996 tentative_cc="/usr/cygnus/progressive/bin/gcc"
997 host_makefile_frag="config/mh-lynxrs6k"
1000 host_makefile_frag="config/mh-ppc-darwin"
1003 host_makefile_frag="config/mh-ppc-aix"
1006 host_makefile_frag="config/mh-ppc-aix"
1009 # /bin/cc is less than useful for our purposes. Always use GCC
1010 tentative_cc="/bin/gcc"
1013 host_makefile_frag="config/mh-sysv4"
1015 # This is placed last to prevent interfering with the cases above.
1017 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1018 host_makefile_frag="config/mh-x86omitfp"
1023 # If we aren't going to be using gcc, see if we can extract a definition
1024 # of CC from the fragment.
1025 # Actually, use the 'pre-extracted' version above.
1026 if test -z "${CC}" && test "${build}" = "${host}" ; then
1027 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1029 for dir in $PATH; do
1030 test -z "$dir" && dir=.
1031 if test -f $dir/gcc; then
1037 if test -z "${found}" && test -n "${tentative_cc}" ; then
1042 if test "${build}" != "${host}" ; then
1043 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1045 CC_FOR_BUILD="\$(CC)"
1051 # We must set the default linker to the linker used by gcc for the correct
1052 # operation of libtool. If LD is not defined and we are using gcc, try to
1053 # set the LD default to the ld used by gcc.
1054 if test -z "$LD"; then
1055 if test "$GCC" = yes; then
1058 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1060 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1062 case $gcc_prog_ld in
1063 # Accept absolute paths.
1064 [[\\/]* | [A-Za-z]:[\\/]*)]
1065 LD="$gcc_prog_ld" ;;
1071 ACX_PROG_CMP_IGNORE_INITIAL
1073 # Check for GMP and MPFR
1074 gmplibs="-lmpfr -lgmp"
1078 # Specify a location for mpfr
1079 # check for this first so it ends up on the link line before gmp.
1080 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH This option has been REMOVED],
1081 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1082 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1084 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify prefix directory for installed MPFR package
1085 Equivalent to --with-mpfr-include=PATH/include
1086 plus --with-mpfr-lib=PATH/lib])
1087 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1088 Specify directory for installed MPFR include files])
1089 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH Specify the directory for the installed MPFR library])
1091 if test "x$with_mpfr" != x; then
1092 gmplibs="-L$with_mpfr/lib $gmplibs"
1093 gmpinc="-I$with_mpfr/include"
1095 if test "x$with_mpfr_include" != x; then
1096 gmpinc="-I$with_mpfr_include"
1098 if test "x$with_mpfr_lib" != x; then
1099 gmplibs="-L$with_mpfr_lib $gmplibs"
1101 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1102 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1103 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1104 # Do not test the mpfr version. Assume that it is sufficient, since
1105 # it is in the source tree, and the library has not been built yet
1106 # but it would be included on the link line in the version check below
1107 # hence making the test fail.
1111 # Specify a location for gmp
1112 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH This option has been REMOVED],
1113 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1114 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1116 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify prefix directory for the installed GMP package
1117 Equivalent to --with-gmp-include=PATH/include
1118 plus --with-gmp-lib=PATH/lib])
1119 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH Specify directory for installed GMP include files])
1120 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH Specify the directory for the installed GMP library])
1123 if test "x$with_gmp" != x; then
1124 gmplibs="-L$with_gmp/lib $gmplibs"
1125 gmpinc="-I$with_gmp/include $gmpinc"
1127 if test "x$with_gmp_include" != x; then
1128 gmpinc="-I$with_gmp_include $gmpinc"
1130 if test "x$with_gmp_lib" != x; then
1131 gmplibs="-L$with_gmp_lib $gmplibs"
1133 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1134 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1135 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1136 # Do not test the gmp version. Assume that it is sufficient, since
1137 # it is in the source tree, and the library has not been built yet
1138 # but it would be included on the link line in the version check below
1139 # hence making the test fail.
1143 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1145 saved_CFLAGS="$CFLAGS"
1146 CFLAGS="$CFLAGS $gmpinc"
1147 # Check GMP actually works
1148 AC_MSG_CHECKING([for correct version of gmp.h])
1149 AC_TRY_COMPILE([#include "gmp.h"],[
1150 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
1153 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1155 if test x"$have_gmp" = xyes; then
1157 LIBS="$LIBS $gmplibs"
1158 dnl MPFR 2.2.0 is acceptable but buggy, MPFR 2.2.1 is better.
1159 AC_MSG_CHECKING([for correct version of mpfr.h])
1160 AC_TRY_LINK([#include <gmp.h>
1161 #include <mpfr.h>],[
1162 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,0)
1165 mpfr_t n; mpfr_init(n);
1166 mpfr_t x; mpfr_init(x);
1168 mpfr_atan2 (n, n, x, GMP_RNDN);
1169 mpfr_erfc (n, x, GMP_RNDN);
1170 mpfr_subnormalize (x, t, GMP_RNDN);
1171 ], [AC_TRY_LINK([#include <gmp.h>
1172 #include <mpfr.h>],[
1173 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
1176 mpfr_t n; mpfr_init(n);
1177 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1178 [AC_MSG_RESULT([no]); have_gmp=no])
1181 CFLAGS="$saved_CFLAGS"
1183 if test x$have_gmp != xyes; then
1184 AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2.1+.
1185 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1186 Copies of these libraries' source code can be found at their respective
1187 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1188 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1189 If you obtained GMP and/or MPFR from a vendor distribution package, make
1190 sure that you have installed both the libraries and the header files.
1191 They may be located in separate packages.])
1195 # Flags needed for both GMP and/or MPFR
1199 # By default, C is the only stage 1 language.
1200 stage1_languages=,c,
1202 # Figure out what language subdirectories are present.
1203 # Look if the user specified --enable-languages="..."; if not, use
1204 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1206 # NB: embedded tabs in this IF block -- do not untabify
1207 if test -d ${srcdir}/gcc; then
1208 if test x"${enable_languages+set}" != xset; then
1209 if test x"${LANGUAGES+set}" = xset; then
1210 enable_languages="${LANGUAGES}"
1211 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1213 enable_languages=all
1216 if test x"${enable_languages}" = x ||
1217 test x"${enable_languages}" = xyes;
1219 echo configure.in: --enable-languages needs at least one language argument 1>&2
1223 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1225 # 'f95' is the old name for the 'fortran' language. We issue a warning
1226 # and make the substitution.
1227 case ,${enable_languages}, in
1229 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1230 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1234 # First scan to see if an enabled language requires some other language.
1235 # We assume that a given config-lang.in will list all the language
1236 # front ends it requires, even if some are required indirectly.
1237 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1238 case ${lang_frag} in
1240 # The odd quoting in the next line works around
1241 # an apparent bug in bash 1.12 on linux.
1242 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1244 # From the config-lang.in, get $language, $lang_requires
1248 for other in ${lang_requires} ; do
1249 case ,${enable_languages}, in
1253 echo " \`$other' language required by \`$language'; enabling" 1>&2
1254 enable_languages="${enable_languages},${other}"
1262 new_enable_languages=,c,
1263 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1264 potential_languages=,c,
1266 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1267 case ${lang_frag} in
1269 # The odd quoting in the next line works around
1270 # an apparent bug in bash 1.12 on linux.
1271 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1273 # From the config-lang.in, get $language, $target_libs,
1274 # $lang_dirs, $boot_language, and $build_by_default
1280 build_by_default=yes
1282 if test x${language} = x; then
1283 echo "${lang_frag} doesn't set \$language." 1>&2
1287 case ,${enable_languages}, in
1289 # Language was explicitly selected; include it.
1293 # 'all' was selected, select it if it is a default language
1294 add_this_lang=${build_by_default}
1301 # Disable languages that need other directories if these aren't available.
1302 for i in $subdir_requires; do
1303 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1304 case ,${enable_languages}, in
1306 # Specifically requested language; tell them.
1307 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1311 add_this_lang=unsupported
1316 # Disable Ada if no preexisting GNAT is available.
1317 case ,${enable_languages},:${language}:${have_gnat} in
1318 *,${language},*:ada:no)
1319 # Specifically requested language; tell them.
1320 AC_MSG_ERROR([GNAT is required to build $language])
1324 add_this_lang=unsupported
1328 # Disable a language that is unsupported by the target.
1329 case " $unsupported_languages " in
1331 add_this_lang=unsupported
1335 case $add_this_lang in
1337 # Remove language-dependent dirs.
1338 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1341 # Remove language-dependent dirs; still show language as supported.
1342 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1343 potential_languages="${potential_languages}${language},"
1346 new_enable_languages="${new_enable_languages}${language},"
1347 potential_languages="${potential_languages}${language},"
1348 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1349 case ${boot_language} in
1351 # Add to (comma-separated) list of stage 1 languages.
1352 stage1_languages="${stage1_languages}${language},"
1361 AC_ARG_ENABLE(stage1-languages,
1362 [ --enable-stage1-languages[=all] choose additional languages to build during
1363 stage1. Mostly useful for compiler development.],
1364 [case ,${enable_stage1_languages}, in
1366 # Set it to something that will have no effect in the loop below
1367 enable_stage1_languages=c ;;
1369 enable_stage1_languages=`echo $new_enable_languages | \
1370 sed -e "s/^,//" -e "s/,$//" ` ;;
1372 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1373 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1376 # Add "good" languages from enable_stage1_languages to stage1_languages,
1377 # while "bad" languages go in missing_languages. Leave no duplicates.
1378 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1379 case $potential_languages in
1381 case $stage1_languages in
1383 *) stage1_languages="$stage1_languages$i," ;;
1386 case $missing_languages in
1388 *) missing_languages="$missing_languages$i," ;;
1393 # Remove leading/trailing commas that were added for simplicity
1394 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1395 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1396 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1397 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1399 if test "x$missing_languages" != x; then
1401 The following requested languages could not be built: ${missing_languages}
1402 Supported languages are: ${potential_languages}])
1404 if test "x$new_enable_languages" != "x$enable_languages"; then
1405 echo The following languages will be built: ${new_enable_languages}
1406 enable_languages="$new_enable_languages"
1409 AC_SUBST(stage1_languages)
1410 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1413 # Handle --disable-<component> generically.
1414 for dir in $configdirs $build_configdirs $target_configdirs ; do
1415 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1416 if eval test x\${enable_${dirname}} "=" xno ; then
1417 noconfigdirs="$noconfigdirs $dir"
1421 # Check for Boehm's garbage collector
1422 AC_ARG_ENABLE(objc-gc,
1423 [ --enable-objc-gc enable the use of Boehm's garbage collector with
1424 the GNU Objective-C runtime.],
1425 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1426 *,objc,*:*:yes:*target-boehm-gc*)
1427 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1431 # Make sure we only build Boehm's garbage collector if required.
1432 case ,${enable_languages},:${enable_objc_gc} in
1434 # Keep target-boehm-gc if requested for Objective-C.
1437 # Otherwise remove target-boehm-gc depending on target-libjava.
1438 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1439 noconfigdirs="$noconfigdirs target-boehm-gc"
1444 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1445 # $build_configdirs and $target_configdirs.
1446 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1449 for dir in . $skipdirs $noconfigdirs ; do
1450 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1451 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1452 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1453 if test -r $srcdir/$dirname/configure ; then
1454 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1457 notsupp="$notsupp $dir"
1461 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1462 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1463 if test -r $srcdir/$dirname/configure ; then
1464 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1467 notsupp="$notsupp $dir"
1471 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1472 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1473 if test -r $srcdir/$dirname/configure ; then
1474 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1477 notsupp="$notsupp $dir"
1483 # Sometimes the tools are distributed with libiberty but with no other
1484 # libraries. In that case, we don't want to build target-libiberty.
1485 # Don't let libgcc imply libiberty either.
1486 if test -n "${target_configdirs}" ; then
1489 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1490 if test "$i" = "libgcc"; then
1491 libgcc=target-libgcc
1492 elif test "$i" != "libiberty" ; then
1493 if test -r $srcdir/$i/configure ; then
1499 if test -z "${others}" ; then
1500 target_configdirs=$libgcc
1504 # Quietly strip out all directories which aren't configurable in this tree.
1505 # This relies on all configurable subdirectories being autoconfiscated, which
1507 build_configdirs_all="$build_configdirs"
1509 for i in ${build_configdirs_all} ; do
1510 j=`echo $i | sed -e s/build-//g`
1511 if test -f ${srcdir}/$j/configure ; then
1512 build_configdirs="${build_configdirs} $i"
1516 configdirs_all="$configdirs"
1518 for i in ${configdirs_all} ; do
1519 if test -f ${srcdir}/$i/configure ; then
1520 configdirs="${configdirs} $i"
1524 target_configdirs_all="$target_configdirs"
1526 for i in ${target_configdirs_all} ; do
1527 j=`echo $i | sed -e s/target-//g`
1528 if test -f ${srcdir}/$j/configure ; then
1529 target_configdirs="${target_configdirs} $i"
1533 # Produce a warning message for the subdirs we can't configure.
1534 # This isn't especially interesting in the Cygnus tree, but in the individual
1535 # FSF releases, it's important to let people know when their machine isn't
1536 # supported by the one or two programs in a package.
1538 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1539 # If $appdirs is non-empty, at least one of those directories must still
1540 # be configured, or we error out. (E.g., if the gas release supports a
1541 # specified target in some subdirs but not the gas subdir, we shouldn't
1542 # pretend that all is well.)
1543 if test -n "$appdirs" ; then
1544 for dir in $appdirs ; do
1545 if test -r $dir/Makefile.in ; then
1546 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1550 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1556 if test -n "$appdirs" ; then
1557 echo "*** This configuration is not supported by this package." 1>&2
1561 # Okay, some application will build, or we don't care to check. Still
1562 # notify of subdirs not getting built.
1563 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1564 echo " ${notsupp}" 1>&2
1565 echo " (Any other directories should still work fine.)" 1>&2
1573 # To find our prefix, in gcc_cv_tool_prefix.
1578 AC_ARG_WITH([build-sysroot],
1579 [ --with-build-sysroot=sysroot
1580 use sysroot as the system root during the build],
1581 [if test x"$withval" != x ; then
1582 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1584 [SYSROOT_CFLAGS_FOR_TARGET=])
1585 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1587 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1588 # the named directory are copied to $(tooldir)/sys-include.
1589 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1590 if test x${is_cross_compiler} = xno ; then
1591 echo 1>&2 '***' --with-headers is only supported when cross compiling
1594 if test x"${with_headers}" != xyes ; then
1595 x=${gcc_cv_tool_prefix}
1596 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
1600 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1601 # the name directories are copied to $(tooldir)/lib. Multiple directories
1603 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1604 if test x${is_cross_compiler} = xno ; then
1605 echo 1>&2 '***' --with-libs is only supported when cross compiling
1608 if test x"${with_libs}" != xyes ; then
1609 # Copy the libraries in reverse order, so that files in the first named
1610 # library override files in subsequent libraries.
1611 x=${gcc_cv_tool_prefix}
1612 for l in ${with_libs}; do
1613 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
1618 # Set with_gnu_as and with_gnu_ld as appropriate.
1620 # This is done by determining whether or not the appropriate directory
1621 # is available, and by checking whether or not specific configurations
1622 # have requested that this magic not happen.
1624 # The command line options always override the explicit settings in
1625 # configure.in, and the settings in configure.in override this magic.
1627 # If the default for a toolchain is to use GNU as and ld, and you don't
1628 # want to do that, then you should use the --without-gnu-as and
1629 # --without-gnu-ld options for the configure script.
1631 if test x${use_gnu_as} = x &&
1632 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1634 extra_host_args="$extra_host_args --with-gnu-as"
1637 if test x${use_gnu_ld} = x &&
1638 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1640 extra_host_args="$extra_host_args --with-gnu-ld"
1643 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1644 # can detect this case.
1646 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1648 extra_host_args="$extra_host_args --with-newlib"
1651 # Handle ${copy_dirs}
1652 set fnord ${copy_dirs}
1654 while test $# != 0 ; do
1655 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1658 echo Copying $1 to $2
1660 # Use the install script to create the directory and all required
1661 # parent directories.
1662 if test -d $2 ; then
1666 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1669 # Copy the directory, assuming we have tar.
1670 # FIXME: Should we use B in the second tar? Not all systems support it.
1671 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1673 # It is the responsibility of the user to correctly adjust all
1674 # symlinks. If somebody can figure out how to handle them correctly
1675 # here, feel free to add the code.
1682 # Determine a target-dependent exec_prefix that the installed
1683 # gcc will search in. Keep this list sorted by triplet, with
1684 # the *-*-osname triplets last.
1688 md_exec_prefix=/gnu/lib/gcc-lib
1690 i[34567]86-pc-msdosdjgpp*)
1691 md_exec_prefix=/dev/env/DJDIR/bin
1693 i[34567]86-*-sco3.2v5*)
1694 if test $with_gnu_as = yes; then
1695 md_exec_prefix=/usr/gnu/bin
1697 md_exec_prefix=/usr/ccs/bin/elf
1702 powerpc-*-chorusos* | \
1703 powerpc*-*-eabi* | \
1704 powerpc*-*-sysv* | \
1705 powerpc*-*-kaos* | \
1707 md_exec_prefix=/usr/ccs/bin
1712 md_exec_prefix=/usr/ccs/bin
1727 md_exec_prefix=/usr/ccs/bin
1731 extra_arflags_for_target=
1732 extra_nmflags_for_target=
1733 extra_ranlibflags_for_target=
1734 target_makefile_frag=/dev/null
1737 target_makefile_frag="config/mt-mep"
1740 target_makefile_frag="config/mt-spu"
1743 target_makefile_frag="config/mt-netware"
1745 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1746 target_makefile_frag="config/mt-gnu"
1748 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1749 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1750 # commands to handle both 32-bit and 64-bit objects. These flags are
1751 # harmless if we're using GNU nm or ar.
1752 extra_arflags_for_target=" -X32_64"
1753 extra_nmflags_for_target=" -B -X32_64"
1756 # ranlib from Darwin requires the -c flag to look at common symbols.
1757 extra_ranlibflags_for_target=" -c"
1759 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1760 target_makefile_frag="config/mt-wince"
1764 alphaieee_frag=/dev/null
1767 # This just makes sure to use the -mieee option to build target libs.
1768 # This should probably be set individually by each library.
1769 alphaieee_frag="config/mt-alphaieee"
1773 # If --enable-target-optspace always use -Os instead of -O2 to build
1774 # the target libraries, similarly if it is not specified, use -Os
1775 # on selected platforms.
1776 ospace_frag=/dev/null
1777 case "${enable_target_optspace}:${target}" in
1779 ospace_frag="config/mt-ospace"
1782 ospace_frag="config/mt-d30v"
1784 :m32r-* | :d10v-* | :fr30-*)
1785 ospace_frag="config/mt-ospace"
1790 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1794 # Default to using --with-stabs for certain targets.
1795 if test x${with_stabs} = x ; then
1797 mips*-*-irix[[56]]*)
1799 mips*-*-* | alpha*-*-osf*)
1801 extra_host_args="${extra_host_args} --with-stabs"
1806 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1807 # them automatically.
1810 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1814 # Some systems (e.g., one of the i386-aix systems the gas testers are
1815 # using) don't handle "\$" correctly, so don't use it here.
1816 tooldir='${exec_prefix}'/${target_noncanonical}
1817 build_tooldir=${tooldir}
1819 # Create a .gdbinit file which runs the one in srcdir
1820 # and tells GDB to look there for source files.
1822 if test -r ${srcdir}/.gdbinit ; then
1825 *) cat > ./.gdbinit <<EOF
1829 source ${srcdir}/.gdbinit
1835 # Make sure that the compiler is able to generate an executable. If it
1836 # can't, we are probably in trouble. We don't care whether we can run the
1837 # executable--we might be using a cross compiler--we only care whether it
1838 # can be created. At this point the main configure script has set CC.
1840 echo "int main () { return 0; }" > conftest.c
1841 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1842 if test $? = 0 ; then
1843 if test -s conftest || test -s conftest.exe ; then
1849 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1850 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1857 # The Solaris /usr/ucb/cc compiler does not appear to work.
1859 sparc-sun-solaris2*)
1860 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1861 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1863 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1864 if test -d /opt/cygnus/bin ; then
1865 if test "$could_use" = "" ; then
1866 could_use="/opt/cygnus/bin"
1868 could_use="$could_use or /opt/cygnus/bin"
1871 if test "$could_use" = "" ; then
1872 echo "Warning: compilation may fail because you're using"
1873 echo "/usr/ucb/cc. You should change your PATH or CC "
1874 echo "variable and rerun configure."
1876 echo "Warning: compilation may fail because you're using"
1877 echo "/usr/ucb/cc, when you should use the C compiler from"
1878 echo "$could_use. You should change your"
1879 echo "PATH or CC variable and rerun configure."
1886 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1887 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1888 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1891 # Record target_configdirs and the configure arguments for target and
1892 # build configuration in Makefile.
1893 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1894 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1896 # Determine whether gdb needs tk/tcl or not.
1897 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1898 # and in that case we want gdb to be built without tk. Ugh!
1899 # In fact I believe gdb is the *only* package directly dependent on tk,
1900 # so we should be able to put the 'maybe's in unconditionally and
1901 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1902 # 100% sure that that's safe though.
1904 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1905 case "$enable_gdbtk" in
1909 GDB_TK="${gdb_tk}" ;;
1911 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1912 # distro. Eventually someone will fix this and move Insight, nee
1913 # gdbtk to a separate directory.
1914 if test -d ${srcdir}/gdb/gdbtk ; then
1921 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1922 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1924 # Strip out unwanted targets.
1926 # While at that, we remove Makefiles if we were started for recursive
1927 # configuration, so that the top-level Makefile reconfigures them,
1928 # like we used to do when configure itself was recursive.
1930 # Loop over modules. $extrasub must be used with care, limiting as
1931 # much as possible the usage of range addresses. That's because autoconf
1932 # splits the sed script to overcome limits in the number of commands,
1933 # and relying on carefully-timed sed passes may turn out to be very hard
1934 # to maintain later. In this particular case, you just have to be careful
1935 # not to nest @if/@endif pairs, because configure will not warn you at all.
1937 AC_ARG_ENABLE([bootstrap],
1938 [ --enable-bootstrap Enable bootstrapping [yes if native build]],,
1939 enable_bootstrap=default)
1941 # Issue errors and warnings for invalid/strange bootstrap combinations.
1942 case "$configdirs" in
1943 *gcc*) have_compiler=yes ;;
1944 *) have_compiler=no ;;
1947 case "$have_compiler:$host:$target:$enable_bootstrap" in
1950 # Default behavior. Enable bootstrap if we have a compiler
1951 # and we are in a native configuration.
1952 yes:$build:$build:default)
1953 enable_bootstrap=yes ;;
1956 enable_bootstrap=no ;;
1958 # We have a compiler and we are in a native configuration, bootstrap is ok
1959 yes:$build:$build:yes)
1962 # Other configurations, but we have a compiler. Assume the user knows
1965 AC_MSG_WARN([trying to bootstrap a cross compiler])
1968 # No compiler: if they passed --enable-bootstrap explicitly, fail
1970 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1972 # Fail if wrong command line
1974 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1978 # Adjust the toplevel makefile according to whether bootstrap was selected.
1979 case "$enable_bootstrap" in
1981 bootstrap_suffix=bootstrap ;;
1983 bootstrap_suffix=no-bootstrap ;;
1986 for module in ${build_configdirs} ; do
1987 if test -z "${no_recursion}" \
1988 && test -f ${build_subdir}/${module}/Makefile; then
1989 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1990 rm -f ${build_subdir}/${module}/Makefile
1993 /^@if build-$module\$/d
1994 /^@endif build-$module\$/d
1995 /^@if build-$module-$bootstrap_suffix\$/d
1996 /^@endif build-$module-$bootstrap_suffix\$/d"
1998 for module in ${configdirs} ; do
1999 if test -z "${no_recursion}"; then
2000 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2001 if test -f ${file}; then
2002 echo 1>&2 "*** removing ${file} to force reconfigure"
2009 /^@endif $module\$/d
2010 /^@if $module-$bootstrap_suffix\$/d
2011 /^@endif $module-$bootstrap_suffix\$/d"
2013 for module in ${target_configdirs} ; do
2014 if test -z "${no_recursion}" \
2015 && test -f ${target_subdir}/${module}/Makefile; then
2016 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2017 rm -f ${target_subdir}/${module}/Makefile
2020 /^@if target-$module\$/d
2021 /^@endif target-$module\$/d
2022 /^@if target-$module-$bootstrap_suffix\$/d
2023 /^@endif target-$module-$bootstrap_suffix\$/d"
2027 /^@if /,/^@endif /d"
2029 # Create the serialization dependencies. This uses a temporary file.
2031 AC_ARG_ENABLE([serial-configure],
2032 [ --enable-serial-[{host,target,build}-]configure
2033 Force sequential configuration of
2034 sub-packages for the host, target or build
2035 machine, or all sub-packages])
2037 case ${enable_serial_configure} in
2039 enable_serial_build_configure=yes
2040 enable_serial_host_configure=yes
2041 enable_serial_target_configure=yes
2045 # These force 'configure's to be done one at a time, to avoid problems
2046 # with contention over a shared config.cache.
2048 echo '# serdep.tmp' > serdep.tmp
2050 test "x${enable_serial_build_configure}" = xyes &&
2051 for item in ${build_configdirs} ; do
2054 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2059 test "x${enable_serial_host_configure}" = xyes &&
2060 for item in ${configdirs} ; do
2063 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2068 test "x${enable_serial_target_configure}" = xyes &&
2069 for item in ${target_configdirs} ; do
2072 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2076 serialization_dependencies=serdep.tmp
2077 AC_SUBST_FILE(serialization_dependencies)
2079 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2080 # target, nonopt, and variable assignments. These are the ones we
2081 # might not want to pass down to subconfigures. Also strip
2082 # program-prefix, program-suffix, and program-transform-name, so that
2083 # we can pass down a consistent program-transform-name.
2087 eval "set -- $ac_configure_args"
2090 if test X"$skip_next" = X"yes"; then
2094 if test X"$keep_next" = X"yes"; then
2097 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2099 baseargs="$baseargs '$ac_arg'"
2104 # Handle separated arguments. Based on the logic generated by
2107 *=* | --config-cache | -C | -disable-* | --disable-* \
2108 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2109 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2110 | -with-* | --with-* | -without-* | --without-* | --x)
2136 -program-prefix* | \
2137 -program-suffix* | \
2138 -program-transform-name* )
2139 skip_next=$separate_arg
2143 # An option. Add it.
2146 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2148 baseargs="$baseargs '$ac_arg'"
2149 keep_next=$separate_arg
2152 # Either a variable assignment, or a nonopt (triplet). Don't
2153 # pass it down; let the Makefile handle this.
2158 # Remove the initial space we just introduced and, as these will be
2159 # expanded by make, quote '$'.
2160 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2162 # Add in --program-transform-name, after --program-prefix and
2163 # --program-suffix have been applied to it. Autoconf has already
2164 # doubled dollar signs and backslashes in program_transform_name; we want
2165 # the backslashes un-doubled, and then the entire thing wrapped in single
2166 # quotes, because this will be expanded first by make and then by the shell.
2167 # Also, because we want to override the logic in subdir configure scripts to
2168 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2169 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2170 ${program_transform_name}
2172 gcc_transform_name=`cat conftestsed.out`
2173 rm -f conftestsed.out
2174 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2176 # For the build-side libraries, we just need to pretend we're native,
2177 # and not use the same cache file. Multilibs are neither needed nor
2179 build_configargs="--cache-file=../config.cache ${baseargs}"
2181 # For host modules, accept cache file option, or specification as blank.
2182 case "${cache_file}" in
2184 cache_file_option="" ;;
2185 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2186 cache_file_option="--cache-file=${cache_file}" ;;
2188 cache_file_option="--cache-file=../${cache_file}" ;;
2191 # Host dirs don't like to share a cache file either, horribly enough.
2192 # This seems to be due to autoconf 2.5x stupidity.
2193 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2195 target_configargs=${baseargs}
2197 # Passing a --with-cross-host argument lets the target libraries know
2198 # whether they are being built with a cross-compiler or being built
2199 # native. However, it would be better to use other mechanisms to make the
2200 # sorts of decisions they want to make on this basis. Please consider
2201 # this option to be deprecated. FIXME.
2202 if test x${is_cross_compiler} = xyes ; then
2203 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2206 # Default to --enable-multilib.
2207 if test x${enable_multilib} = x ; then
2208 target_configargs="--enable-multilib ${target_configargs}"
2211 # Pass --with-newlib if appropriate. Note that target_configdirs has
2212 # changed from the earlier setting of with_newlib.
2213 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2214 target_configargs="--with-newlib ${target_configargs}"
2217 # Different target subdirs use different values of certain variables
2218 # (notably CXX). Worse, multilibs use *lots* of different values.
2219 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2220 # it doesn't automatically accept command-line overrides of them.
2221 # This means it's not safe for target subdirs to share a cache file,
2222 # which is disgusting, but there you have it. Hopefully this can be
2223 # fixed in future. It's still worthwhile to use a cache file for each
2224 # directory. I think.
2226 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2227 # We need to pass --target, as newer autoconf's requires consistency
2228 # for target_alias and gcc doesn't manage it consistently.
2229 target_configargs="--cache-file=./config.cache ${target_configargs}"
2232 case " $target_configdirs " in
2234 case " $target_configargs " in
2235 *" --with-newlib "*)
2238 FLAGS_FOR_TARGET=$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' ;;
2241 # If we're not building GCC, don't discard standard headers.
2242 if test -d ${srcdir}/gcc; then
2243 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2245 if test "${build}" != "${host}"; then
2246 # On Canadian crosses, CC_FOR_TARGET will have already been set
2247 # by `configure', so we won't have an opportunity to add -Bgcc/
2248 # to it. This is right: we don't want to search that directory
2249 # for binaries, but we want the header files in there, so add
2251 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2253 # Someone might think of using the pre-installed headers on
2254 # Canadian crosses, in case the installed compiler is not fully
2255 # compatible with the compiler being built. In this case, it
2256 # would be better to flag an error than risking having
2257 # incompatible object files being constructed. We can't
2258 # guarantee that an error will be flagged, but let's hope the
2259 # compiler will do it, when presented with incompatible header
2264 case "${target}-${is_cross_compiler}" in
2265 i[[3456789]]86-*-linux*-no)
2266 # Here host == target, so we don't need to build gcc,
2267 # so we don't want to discard standard headers.
2268 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2271 # If we're building newlib, use its generic headers last, but search
2272 # for any libc-related directories first (so make it the last -B
2274 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2283 # Can't be handled as Cygwin above since Mingw does not use newlib.
2284 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' ;;
2287 # Allow the user to override the flags for
2288 # our build compiler if desired.
2289 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2291 # On Canadian crosses, we'll be searching the right directories for
2292 # the previously-installed cross compiler, so don't bother to add
2293 # flags for directories within the install tree of the compiler
2294 # being built; programs in there won't even run.
2295 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2296 # Search for pre-installed headers if nothing else fits.
2297 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2300 if test "x${use_gnu_ld}" = x &&
2301 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2302 # Arrange for us to find uninstalled linker scripts.
2303 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2306 # Search for other target-specific linker scripts and such.
2309 if test -d ${srcdir}/libgloss/m32c; then
2310 # This is for crt0.o
2311 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2312 # This is for r8c.ld
2313 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2314 # This is for libnosys.a
2315 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2319 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2323 # Makefile fragments.
2324 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2326 eval fragval=\$$frag
2327 if test $fragval != /dev/null; then
2328 eval $frag=${srcdir}/$fragval
2331 AC_SUBST_FILE(host_makefile_frag)
2332 AC_SUBST_FILE(target_makefile_frag)
2333 AC_SUBST_FILE(alphaieee_frag)
2334 AC_SUBST_FILE(ospace_frag)
2336 # Miscellanea: directories, flags, etc.
2337 AC_SUBST(RPATH_ENVVAR)
2339 AC_SUBST(build_tooldir)
2340 AC_SUBST(CONFIGURE_GDB_TK)
2342 AC_SUBST(INSTALL_GDB_TK)
2344 # Build module lists & subconfigure args.
2345 AC_SUBST(build_configargs)
2346 AC_SUBST(build_configdirs)
2348 # Host module lists & subconfigure args.
2349 AC_SUBST(host_configargs)
2350 AC_SUBST(configdirs)
2352 # Target module lists & subconfigure args.
2353 AC_SUBST(target_configargs)
2357 AC_SUBST(CC_FOR_BUILD)
2358 AC_SUBST(config_shell)
2360 # Generate default definitions for YACC, M4, LEX and other programs that run
2361 # on the build machine. These are used if the Makefile can't locate these
2362 # programs in objdir.
2363 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2365 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2366 case " $build_configdirs " in
2367 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2368 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2371 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2372 case " $build_configdirs " in
2373 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2376 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2377 case " $build_configdirs " in
2378 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2381 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2382 case " $build_configdirs " in
2383 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2384 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2387 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2388 case " $build_configdirs " in
2389 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2392 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2393 case " $build_configdirs " in
2394 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2397 # For an installed makeinfo, we require it to be from texinfo 4.4 or
2398 # higher, else we use the "missing" dummy.
2399 if ${MAKEINFO} --version \
2400 | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
2403 MAKEINFO="$MISSING makeinfo"
2409 # FIXME: expect and dejagnu may become build tools?
2411 AC_CHECK_PROGS(EXPECT, expect, expect)
2412 case " $configdirs " in
2414 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2418 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2419 case " $configdirs " in
2421 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2427 NCN_STRICT_CHECK_TOOLS(AR, ar)
2428 NCN_STRICT_CHECK_TOOLS(AS, as)
2429 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2430 NCN_STRICT_CHECK_TOOLS(LD, ld)
2431 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2432 NCN_STRICT_CHECK_TOOLS(NM, nm)
2433 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2434 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2435 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2436 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2437 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2441 AC_SUBST(CFLAGS_FOR_BUILD)
2445 AC_ARG_WITH([build-time-tools],
2446 [ --with-build-time-tools=path
2447 use given path to find target tools during the build],
2448 [case x"$withval" in
2451 with_build_time_tools=
2452 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2455 [with_build_time_tools=])
2457 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2458 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2459 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2460 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2461 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2463 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2464 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2465 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2466 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2467 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2468 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2469 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2470 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2471 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2472 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2474 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2476 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2477 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2478 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2479 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2480 [gcc/g++ -B$$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],
2482 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2483 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2485 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2486 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2487 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2488 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2489 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2490 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2491 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2492 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2493 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2494 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2495 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2496 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2497 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2499 AC_SUBST(FLAGS_FOR_TARGET)
2500 AC_SUBST(RAW_CXX_FOR_TARGET)
2502 # Certain tools may need extra flags.
2503 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2504 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2505 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2507 # When building target libraries, except in a Canadian cross, we use
2508 # the same toolchain as the compiler we just built.
2509 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2510 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2511 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2512 if test $host = $build; then
2513 case " $configdirs " in
2515 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2516 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2517 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2522 AC_SUBST(COMPILER_AS_FOR_TARGET)
2523 AC_SUBST(COMPILER_LD_FOR_TARGET)
2524 AC_SUBST(COMPILER_NM_FOR_TARGET)
2526 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2527 AC_ARG_ENABLE(maintainer-mode,
2528 [ --enable-maintainer-mode enable make rules and dependencies not useful
2529 (and sometimes confusing) to the casual installer],
2530 USE_MAINTAINER_MODE=$enableval,
2531 USE_MAINTAINER_MODE=no)
2532 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2533 AC_SUBST(MAINTAINER_MODE_TRUE)
2534 AC_SUBST(MAINTAINER_MODE_FALSE)
2535 if test "$USE_MAINTAINER_MODE" = yes; then
2536 MAINTAINER_MODE_TRUE=
2537 MAINTAINER_MODE_FALSE='#'
2539 MAINTAINER_MODE_TRUE='#'
2540 MAINTAINER_MODE_FALSE=
2542 MAINT=$MAINTAINER_MODE_TRUE
2545 # ---------------------
2546 # GCC bootstrap support
2547 # ---------------------
2549 # Stage specific cflags for build.
2554 yes) stage1_cflags="-g -Wa,-J" ;;
2555 *) stage1_cflags="-g -J" ;;
2559 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
2560 if test "$GCC" = yes; then
2561 saved_CFLAGS="$CFLAGS"
2563 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
2564 CFLAGS="$CFLAGS -fkeep-inline-functions"
2565 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2567 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
2568 [AC_MSG_RESULT([no])])
2570 CFLAGS="$saved_CFLAGS"
2573 AC_SUBST(stage1_cflags)
2575 # Enable --enable-checking in stage1 of the compiler.
2576 AC_ARG_ENABLE(stage1-checking,
2577 [ --enable-stage1-checking[=all] choose additional checking for stage1
2579 [stage1_checking=--enable-checking=${enable_stage1_checking}],
2580 [if test "x$enable_checking" = xno; then
2581 stage1_checking=--enable-checking
2583 stage1_checking=--enable-checking${enable_checking+=}$enable_checking
2585 AC_SUBST(stage1_checking)
2587 # Enable -Werror in bootstrap stage2 and later.
2588 AC_ARG_ENABLE(werror,
2589 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2590 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
2595 case ${enable_werror} in
2596 yes) stage2_werror_flag="--enable-werror-always" ;;
2597 *) stage2_werror_flag="" ;;
2599 AC_SUBST(stage2_werror_flag)
2601 # Flags needed to enable html installing and building
2602 AC_ARG_WITH(datarootdir,
2603 [ --with-datarootdir Use datarootdir as the data root directory.],
2604 [datarootdir="\${prefix}/${withval}"],
2605 [datarootdir="\${prefix}/share"])
2608 [ --with-docdir Install documentation in this directory.],
2609 [docdir="\${prefix}/${withval}"],
2610 [docdir="\${datarootdir}/doc"])
2612 AC_ARG_WITH(htmldir,
2613 [ --with-htmldir Install html in this directory.],
2614 [htmldir="\${prefix}/${withval}"],
2615 [htmldir="\${docdir}"])
2617 AC_SUBST(datarootdir)