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 -- "$progname" "$@"
95 *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
96 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
97 # if the argument is of the form -foo=baz, quote the baz part only
98 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
101 # Add the quoted argument to the list.
102 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
104 # Remove the initial space we just introduced and, as these will be
105 # expanded by make, quote '$'.
106 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
107 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
109 moveifchange=${srcdir}/move-if-change
111 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
113 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
115 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
116 INSTALL="${srcpwd}/install-sh -c"
119 # Set srcdir to "." if that's what it is.
120 # This is important for multilib support.
122 if test "${pwd}" = "${srcpwd}" ; then
130 ### To add a new directory to the tree, first choose whether it is a target
131 ### or a host dependent tool. Then put it into the appropriate list
132 ### (library or tools, host or target), doing a dependency sort.
134 # Subdirs will be configured in the order listed in build_configdirs,
135 # configdirs, or target_configdirs; see the serialization section below.
137 # Dependency sorting is only needed when *configuration* must be done in
138 # a particular order. In all cases a dependency should be specified in
139 # the Makefile, whether or not it's implicitly specified here.
141 # Double entries in build_configdirs, configdirs, or target_configdirs may
142 # cause circular dependencies and break everything horribly.
144 # these library is used by various programs built for the build
147 build_libs="build-libiberty"
149 # these tools are built for the build environment
150 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
152 # these libraries are used by various programs built for the host environment
154 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr"
156 # these tools are built for the host environment
157 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
158 # know that we are building the simulator.
159 # binutils, gas and ld appear in that order because it makes sense to run
160 # "make check" in that particular order.
161 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"
163 # libgcj represents the runtime libraries only used by gcj.
164 libgcj="target-libffi \
169 # these libraries are built for the target environment, and are built after
170 # the host libraries and the host tools (which may be a cross compiler)
172 target_libraries="target-libgcc \
176 target-libstdc++-v3 \
186 # these tools are built using the target libraries, and are intended to
187 # run only in the target environment
189 # note: any program that *uses* libraries that are in the "target_libraries"
190 # list belongs in this list. those programs are also very likely
191 # candidates for the "native_only" list which follows
193 target_tools="target-examples target-groff target-gperf target-rda"
195 ################################################################################
197 ## All tools belong in one of the four categories, and are assigned above
198 ## We assign ${configdirs} this way to remove all embedded newlines. This
199 ## is important because configure will choke if they ever get through.
200 ## ${configdirs} is directories we build using the host tools.
201 ## ${target_configdirs} is directories we build using the target tools.
202 configdirs=`echo ${host_libs} ${host_tools}`
203 target_configdirs=`echo ${target_libraries} ${target_tools}`
204 build_configdirs=`echo ${build_libs} ${build_tools}`
206 ################################################################################
208 srcname="gnu development package"
210 # This gets set non-empty for some net releases of packages.
213 # Define is_cross_compiler to save on calls to 'test'.
215 if test x"${host}" = x"${target}" ; then
218 is_cross_compiler=yes
221 # Find the build and target subdir names.
224 # Skipdirs are removed silently.
226 # Noconfigdirs are removed loudly.
230 # Make sure we don't let GNU ld be added if we didn't want it.
231 if test x$with_gnu_ld = xno ; then
233 noconfigdirs="$noconfigdirs ld"
237 # Make sure we don't let GNU as be added if we didn't want it.
238 if test x$with_gnu_as = xno ; then
240 noconfigdirs="$noconfigdirs gas"
243 # some tools are so dependent upon X11 that if we're not building with X,
244 # it's not even worth trying to configure, much less build, that tool.
247 yes | "") ;; # the default value for this tree is that X11 is available
249 skipdirs="${skipdirs} tk itcl libgui"
250 # We won't be able to build gdbtk without X.
253 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
256 # Some tools are only suitable for building in a "native" situation.
257 # Remove these if host!=target.
258 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"
260 # Similarly, some are only suitable for cross toolchains.
261 # Remove these if host=target.
262 cross_only="target-libgloss target-newlib target-opcodes"
264 case $is_cross_compiler in
265 no) skipdirs="${skipdirs} ${cross_only}" ;;
266 yes) skipdirs="${skipdirs} ${native_only}" ;;
269 # If both --with-headers and --with-libs are specified, default to
271 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
272 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
273 if test x"${with_newlib}" = x ; then
278 # Recognize --with-newlib/--without-newlib.
279 case ${with_newlib} in
280 no) skipdirs="${skipdirs} target-newlib" ;;
281 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
284 # Configure extra directories which are host specific
288 configdirs="$configdirs libtermcap" ;;
291 # A target can indicate whether a language isn't supported for some reason.
292 # Only spaces may be used in this macro; not newlines or tabs.
293 unsupported_languages=
295 # Remove more programs from consideration, based on the host or
296 # target this usually means that a port of the program doesn't
301 noconfigdirs="$noconfigdirs byacc"
303 i[[3456789]]86-*-vsta)
304 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
306 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
307 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
310 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
312 i[[3456789]]86-*-mingw32*)
313 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
314 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
316 i[[3456789]]86-*-beos*)
317 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
320 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
323 noconfigdirs="$noconfigdirs rcs"
326 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
329 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
334 AC_ARG_ENABLE(libada,
335 [ --enable-libada Builds libada directory],
336 ENABLE_LIBADA=$enableval,
338 if test "${ENABLE_LIBADA}" != "yes" ; then
339 noconfigdirs="$noconfigdirs gnattools"
342 AC_ARG_ENABLE(libssp,
343 [ --enable-libssp Builds libssp directory],
344 ENABLE_LIBSSP=$enableval,
347 # Save it here so that, even in case of --enable-libgcj, if the Java
348 # front-end isn't enabled, we still get libgcj disabled.
350 case $enable_libgcj in
352 # If we reset it here, it won't get added to noconfigdirs in the
353 # target-specific build rules, so it will be forcibly enabled
354 # (unless the Java language itself isn't enabled).
358 # Make sure we get it printed in the list of not supported target libs.
359 noconfigdirs="$noconfigdirs ${libgcj}"
364 # Disable libmudflap on some systems.
365 if test x$enable_libmudflap = x ; then
367 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
368 # Enable libmudflap by default in GNU and friends.
371 # Enable libmudflap by default in FreeBSD.
374 # Disable it by default everywhere else.
375 noconfigdirs="$noconfigdirs target-libmudflap"
380 # Disable libgomp on non POSIX hosted systems.
381 if test x$enable_libgomp = x ; then
382 # Enable libgomp by default on hosted POSIX systems.
384 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
386 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
388 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
390 *-*-darwin* | *-*-aix*)
393 noconfigdirs="$noconfigdirs target-libgomp"
401 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
403 powerpc-*-darwin* | i[[3456789]]86-*-darwin*)
404 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
405 noconfigdirs="$noconfigdirs sim target-rda"
408 noconfigdirs="$noconfigdirs ld gas gdb gprof"
409 noconfigdirs="$noconfigdirs sim target-rda"
410 noconfigdirs="$noconfigdirs ${libgcj}"
412 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
413 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
416 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
417 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
418 && test -f /usr/local/include/gmp.h; then
422 # Skip some stuff that's unsupported on some FreeBSD configurations.
427 noconfigdirs="$noconfigdirs ${libgcj}"
432 # Remove unsupported stuff on all kaOS configurations.
433 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
434 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
435 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
436 noconfigdirs="$noconfigdirs target-libgloss"
439 # Skip some stuff on all NetBSD configurations.
440 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
442 # Skip some stuff that's unsupported on some NetBSD configurations.
444 i*86-*-netbsdelf*) ;;
445 arm*-*-netbsdelf*) ;;
447 noconfigdirs="$noconfigdirs ${libgcj}"
452 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
455 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
457 # The tpf target doesn't support gdb yet.
459 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
462 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
465 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
468 # ld works, but does not support shared libraries.
469 # newlib is not 64 bit ready. I'm not sure about fileutils.
470 # gas doesn't generate exception information.
471 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
474 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
477 # newlib is not 64 bit ready
478 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
481 # newlib is not 64 bit ready
482 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
485 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
488 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
490 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
491 noconfigdirs="$noconfigdirs ${libgcj}"
492 noconfigdirs="$noconfigdirs target-examples"
493 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
494 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
495 noconfigdirs="$noconfigdirs expect dejagnu"
496 # the C++ libraries don't build on top of CE's C libraries
497 noconfigdirs="$noconfigdirs target-libstdc++-v3"
498 noconfigdirs="$noconfigdirs target-newlib"
500 *-*-cygwin*) ;; # keep gdb and readline
501 *) noconfigdirs="$noconfigdirs gdb readline"
506 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
510 arm-*-coff | strongarm-*-coff | xscale-*-coff)
511 noconfigdirs="$noconfigdirs ${libgcj}"
513 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
514 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
516 arm*-*-linux-gnueabi)
517 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
518 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
521 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
524 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
527 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
530 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
533 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
536 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
539 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
542 noconfigdirs="$noconfigdirs gdb"
543 if test x${is_cross_compiler} != xno ; then
544 target_configdirs="${target_configdirs} target-bsp target-cygmon"
548 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
550 c54x*-*-* | tic54x-*-*)
551 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
553 cris-*-* | crisv32-*-*)
554 unsupported_languages="$unsupported_languages java"
557 unsupported_languages="$unsupported_languages fortran"
558 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
560 unsupported_languages="$unsupported_languages fortran"
561 noconfigdirs="$noconfigdirs target-boehm-gc";;
563 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
565 unsupported_languages="$unsupported_languages fortran"
566 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
570 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
573 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
576 noconfigdirs="$noconfigdirs ${libgcj} gdb"
579 noconfigdirs="$noconfigdirs ${libgcj} gdb"
582 noconfigdirs="$noconfigdirs ${libgcj}"
585 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
588 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
590 hppa1.1-*-osf* | hppa1.1-*-bsd* )
592 hppa*64*-*-linux* | parisc*64*-*-linux*)
593 # In this case, it's because the hppa64-linux target is for
594 # the kernel only at this point and has no libc, and thus no
595 # headers, crt*.o, etc., all of which are needed by these.
596 noconfigdirs="$noconfigdirs target-zlib"
598 parisc*-*-linux* | hppa*-*-linux*)
604 noconfigdirs="$noconfigdirs ${libgcj}"
607 noconfigdirs="$noconfigdirs ld shellutils"
610 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
611 # build on HP-UX 10.20.
612 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
615 noconfigdirs="$noconfigdirs ${libgcj} gdb"
618 # No gdb support yet.
619 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
622 # No gdb or ld support yet.
623 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
627 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
628 noconfigdirs="$noconfigdirs ${libgcj}"
630 i[[3456789]]86-*-linux*)
631 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
632 # not build java stuff by default.
635 noconfigdirs="$noconfigdirs ${libgcj}";;
638 # This section makes it possible to build newlib natively on linux.
639 # If we are using a cross compiler then don't configure newlib.
640 if test x${is_cross_compiler} != xno ; then
641 noconfigdirs="$noconfigdirs target-newlib"
643 noconfigdirs="$noconfigdirs target-libgloss"
644 # If we are not using a cross compiler, do configure newlib.
645 # Note however, that newlib will only be configured in this situation
646 # if the --with-newlib option has been given, because otherwise
647 # 'target-newlib' will appear in skipdirs.
649 i[[3456789]]86-*-mingw32*)
650 target_configdirs="$target_configdirs target-winsup"
651 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
654 target_configdirs="$target_configdirs target-winsup"
655 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
658 target_configdirs="$target_configdirs target-libtermcap target-winsup"
659 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
660 # always build newlib if winsup directory is present.
661 if test -d "$srcdir/winsup/cygwin"; then
662 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
663 elif test -d "$srcdir/newlib"; then
664 echo "Warning: winsup/cygwin is missing so newlib can't be built."
667 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
668 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
671 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
673 i[[3456789]]86-*-sco3.2v5*)
674 # The linker does not yet know about weak symbols in COFF,
675 # and is not configured to handle mixed ELF and COFF.
676 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
678 i[[3456789]]86-*-sco*)
679 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
681 i[[3456789]]86-*-solaris2*)
682 noconfigdirs="$noconfigdirs target-libgloss"
684 i[[3456789]]86-*-sysv4*)
685 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
687 i[[3456789]]86-*-beos*)
688 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
690 i[[3456789]]86-*-rdos*)
691 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
694 noconfigdirs="$noconfigdirs ${libgcj}"
696 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
697 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
700 noconfigdirs="$noconfigdirs ${libgcj}"
703 noconfigdirs="$noconfigdirs ${libgcj}"
706 # The EPOC C++ environment does not support exceptions or rtti,
707 # and so building libstdc++-v3 tends not to always work.
708 noconfigdirs="$noconfigdirs target-libstdc++-v3"
711 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
712 unsupported_languages="$unsupported_languages fortran java"
715 noconfigdirs="$noconfigdirs ${libgcj}"
718 noconfigdirs="$noconfigdirs ${libgcj}"
721 noconfigdirs="$noconfigdirs sim"
724 # copied from rs6000-*-* entry
725 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
727 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
728 target_configdirs="$target_configdirs target-winsup"
729 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
730 # always build newlib.
731 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
733 # This is temporary until we can link against shared libraries
734 powerpcle-*-solaris*)
735 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
738 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
741 noconfigdirs="$noconfigdirs ${libgcj}"
743 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
746 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
749 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
752 noconfigdirs="$noconfigdirs gprof ${libgcj}"
755 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
758 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
761 # Linking libjava exceeds command-line length limits on at least
762 # IRIX 6.2, but not on IRIX 6.5.
763 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
764 # <oldham@codesourcery.com>
765 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
768 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
771 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
774 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
777 noconfigdirs="$noconfigdirs gprof ${libgcj}"
780 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
784 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
785 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
786 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
787 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
789 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
792 noconfigdirs="$noconfigdirs ${libgcj}"
795 noconfigdirs="$noconfigdirs ${libgcj}"
798 noconfigdirs="$noconfigdirs ${libgcj}"
801 noconfigdirs="$noconfigdirs ${libgcj}"
802 if test x${is_cross_compiler} != xno ; then
803 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
808 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
809 noconfigdirs="$noconfigdirs ${libgcj}"
811 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
814 skipdirs="target-libssp"
817 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
820 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
823 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
826 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
829 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
832 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
835 noconfigdirs="$noconfigdirs ${libgcj}"
838 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
840 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
841 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
844 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
847 noconfigdirs="$noconfigdirs ${libgcj}"
851 # If we aren't building newlib, then don't build libgloss, since libgloss
852 # depends upon some newlib header files.
853 case "${noconfigdirs}" in
854 *target-libgloss*) ;;
855 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
858 # Work in distributions that contain no compiler tools, like Autoconf.
860 host_makefile_frag=/dev/null
861 if test -d ${srcdir}/config ; then
864 # Avoid "too much defining" errors from HPUX compiler.
865 tentative_cc="cc -Wp,-H256000"
866 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
867 # If it's HP/UX ar, this should be harmless.
871 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
874 #None of the Apollo compilers can compile gas or binutils. The preprocessor
875 # chokes on bfd, the compiler won't let you assign integers to enums, and
876 # other problems. Defining CC to gcc is a questionable way to say "don't use
877 # the apollo compiler" (the preferred version of GCC could be called cc,
878 # or whatever), but I'm not sure leaving CC as cc is any better...
879 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
880 # Used to have BISON=yacc.
884 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
887 # Under CX/UX, we want to tell the compiler to use ANSI mode.
888 tentative_cc="cc -Xa"
889 host_makefile_frag="config/mh-cxux"
894 tentative_cc="cc -Wf,-XNg1000"
895 host_makefile_frag="config/mh-decstation"
898 # The C compiler on NEC MIPS SVR4 needs bigger tables.
899 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
900 host_makefile_frag="config/mh-necv4"
903 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
904 # environment. Also bump switch table size so that cp-parse will
905 # compile. Bump string length limit so linker builds.
906 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
909 host_makefile_frag="config/mh-sysv4"
912 # This is for a MIPS running RISC/os 4.52C.
914 # This is needed for GDB, but needs to be in the top-level make because
915 # if a library is compiled with the bsd headers and gets linked with the
916 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
918 # ptrace(2) apparently has problems in the BSD environment. No workaround is
919 # known except to select the sysv environment. Could we use /proc instead?
920 # These "sysv environments" and "bsd environments" often end up being a pain.
922 # This is not part of CFLAGS because perhaps not all C compilers have this
924 tentative_cc="cc -systype sysv"
929 i[[3456789]]86-*-sysv5*)
930 host_makefile_frag="config/mh-sysv5"
932 i[[3456789]]86-*-dgux*)
933 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
934 host_makefile_frag="config/mh-dgux386"
936 i[[3456789]]86-ncr-sysv4.3*)
937 # The MetaWare compiler will generate a copyright message unless you
938 # turn it off by adding the -Hnocopyr flag.
939 tentative_cc="cc -Hnocopyr"
941 i[[3456789]]86-ncr-sysv4*)
942 # for an NCR 3000 (i486/SVR4) system.
943 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
944 # This compiler not only emits obnoxious copyright messages every time
945 # you run it, but it chokes and dies on a whole bunch of GNU source
946 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
947 tentative_cc="/usr/ccs/ATT/cc"
948 host_makefile_frag="config/mh-ncr3000"
950 i[[3456789]]86-*-sco3.2v5*)
952 i[[3456789]]86-*-sco*)
953 # The native C compiler botches some simple uses of const. Unfortunately,
954 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
955 tentative_cc="cc -Dconst="
956 host_makefile_frag="config/mh-sco"
958 i[[3456789]]86-*-udk*)
959 host_makefile_frag="config/mh-sysv5"
961 i[[3456789]]86-*-solaris2*)
962 host_makefile_frag="config/mh-sysv4"
964 i[[3456789]]86-*-msdosdjgpp*)
965 host_makefile_frag="config/mh-djgpp"
968 host_makefile_frag="config/mh-cygwin"
975 host_makefile_frag="config/mh-interix"
978 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
982 host_makefile_frag="config/mh-solaris"
985 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
986 # without overflowing the jump tables (-J says to use a 32 bit table)
990 tentative_cc="cc -Wp,-H256000"
993 tentative_cc="cc -Wp,-H256000"
996 # /bin/cc is less than useful for our purposes. Always use GCC
997 tentative_cc="/usr/cygnus/progressive/bin/gcc"
998 host_makefile_frag="config/mh-lynxrs6k"
1001 host_makefile_frag="config/mh-ppc-darwin"
1004 host_makefile_frag="config/mh-ppc-aix"
1007 host_makefile_frag="config/mh-ppc-aix"
1010 # /bin/cc is less than useful for our purposes. Always use GCC
1011 tentative_cc="/bin/gcc"
1014 host_makefile_frag="config/mh-sysv4"
1016 # This is placed last to prevent interfering with the cases above.
1018 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1019 host_makefile_frag="config/mh-x86omitfp"
1024 # If we aren't going to be using gcc, see if we can extract a definition
1025 # of CC from the fragment.
1026 # Actually, use the 'pre-extracted' version above.
1027 if test -z "${CC}" && test "${build}" = "${host}" ; then
1028 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1030 for dir in $PATH; do
1031 test -z "$dir" && dir=.
1032 if test -f $dir/gcc; then
1038 if test -z "${found}" && test -n "${tentative_cc}" ; then
1043 if test "${build}" != "${host}" ; then
1044 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1046 CC_FOR_BUILD="\$(CC)"
1052 # We must set the default linker to the linker used by gcc for the correct
1053 # operation of libtool. If LD is not defined and we are using gcc, try to
1054 # set the LD default to the ld used by gcc.
1055 if test -z "$LD"; then
1056 if test "$GCC" = yes; then
1059 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1061 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1063 case $gcc_prog_ld in
1064 # Accept absolute paths.
1065 [[\\/]* | [A-Za-z]:[\\/]*)]
1066 LD="$gcc_prog_ld" ;;
1072 ACX_PROG_CMP_IGNORE_INITIAL
1074 # Check for GMP and MPFR
1075 gmplibs="-lmpfr -lgmp"
1079 # Specify a location for mpfr
1080 # check for this first so it ends up on the link line before gmp.
1081 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH This option has been REMOVED],
1082 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1083 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1085 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify prefix directory for installed MPFR package
1086 Equivalent to --with-mpfr-include=PATH/include
1087 plus --with-mpfr-lib=PATH/lib])
1088 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1089 Specify directory for installed MPFR include files])
1090 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH Specify the directory for the installed MPFR library])
1092 if test "x$with_mpfr" != x; then
1093 gmplibs="-L$with_mpfr/lib $gmplibs"
1094 gmpinc="-I$with_mpfr/include"
1096 if test "x$with_mpfr_include" != x; then
1097 gmpinc="-I$with_mpfr_include"
1099 if test "x$with_mpfr_lib" != x; then
1100 gmplibs="-L$with_mpfr_lib $gmplibs"
1102 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1103 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1104 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1105 # Do not test the mpfr version. Assume that it is sufficient, since
1106 # it is in the source tree, and the library has not been built yet
1107 # but it would be included on the link line in the version check below
1108 # hence making the test fail.
1112 # Specify a location for gmp
1113 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH This option has been REMOVED],
1114 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1115 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1117 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify prefix directory for the installed GMP package
1118 Equivalent to --with-gmp-include=PATH/include
1119 plus --with-gmp-lib=PATH/lib])
1120 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH Specify directory for installed GMP include files])
1121 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH Specify the directory for the installed GMP library])
1124 if test "x$with_gmp" != x; then
1125 gmplibs="-L$with_gmp/lib $gmplibs"
1126 gmpinc="-I$with_gmp/include $gmpinc"
1128 if test "x$with_gmp_include" != x; then
1129 gmpinc="-I$with_gmp_include $gmpinc"
1131 if test "x$with_gmp_lib" != x; then
1132 gmplibs="-L$with_gmp_lib $gmplibs"
1134 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1135 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1136 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1137 # Do not test the gmp version. Assume that it is sufficient, since
1138 # it is in the source tree, and the library has not been built yet
1139 # but it would be included on the link line in the version check below
1140 # hence making the test fail.
1144 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1146 saved_CFLAGS="$CFLAGS"
1147 CFLAGS="$CFLAGS $gmpinc"
1148 # Check GMP actually works
1149 AC_MSG_CHECKING([for correct version of gmp.h])
1150 AC_TRY_COMPILE([#include "gmp.h"],[
1151 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
1154 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1156 if test x"$have_gmp" = xyes; then
1158 LIBS="$LIBS $gmplibs"
1159 dnl MPFR 2.2.0 is acceptable but buggy, MPFR 2.2.1 is better.
1160 AC_MSG_CHECKING([for correct version of mpfr.h])
1161 AC_TRY_LINK([#include <gmp.h>
1162 #include <mpfr.h>],[
1163 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,0)
1166 mpfr_t n; mpfr_init(n);
1167 mpfr_t x; mpfr_init(x);
1169 mpfr_atan2 (n, n, x, GMP_RNDN);
1170 mpfr_erfc (n, x, GMP_RNDN);
1171 mpfr_subnormalize (x, t, GMP_RNDN);
1172 ], [AC_TRY_LINK([#include <gmp.h>
1173 #include <mpfr.h>],[
1174 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
1177 mpfr_t n; mpfr_init(n);
1178 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1179 [AC_MSG_RESULT([no]); have_gmp=no])
1182 CFLAGS="$saved_CFLAGS"
1184 if test x$have_gmp != xyes; then
1185 AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2.1+.
1186 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1187 Copies of these libraries' source code can be found at their respective
1188 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1189 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1190 If you obtained GMP and/or MPFR from a vendor distribution package, make
1191 sure that you have installed both the libraries and the header files.
1192 They may be located in separate packages.])
1196 # Flags needed for both GMP and/or MPFR
1200 # By default, C is the only stage 1 language.
1201 stage1_languages=,c,
1203 # Figure out what language subdirectories are present.
1204 # Look if the user specified --enable-languages="..."; if not, use
1205 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1207 # NB: embedded tabs in this IF block -- do not untabify
1208 if test -d ${srcdir}/gcc; then
1209 if test x"${enable_languages+set}" != xset; then
1210 if test x"${LANGUAGES+set}" = xset; then
1211 enable_languages="${LANGUAGES}"
1212 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1214 enable_languages=all
1217 if test x"${enable_languages}" = x ||
1218 test x"${enable_languages}" = xyes;
1220 echo configure.in: --enable-languages needs at least one language argument 1>&2
1224 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1226 # 'f95' is the old name for the 'fortran' language. We issue a warning
1227 # and make the substitution.
1228 case ,${enable_languages}, in
1230 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1231 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1235 # First scan to see if an enabled language requires some other language.
1236 # We assume that a given config-lang.in will list all the language
1237 # front ends it requires, even if some are required indirectly.
1238 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1239 case ${lang_frag} in
1241 # The odd quoting in the next line works around
1242 # an apparent bug in bash 1.12 on linux.
1243 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1245 # From the config-lang.in, get $language, $lang_requires
1249 for other in ${lang_requires} ; do
1250 case ,${enable_languages}, in
1254 echo " \`$other' language required by \`$language'; enabling" 1>&2
1255 enable_languages="${enable_languages},${other}"
1263 new_enable_languages=,c,
1264 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1265 potential_languages=,c,
1267 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1268 case ${lang_frag} in
1270 # The odd quoting in the next line works around
1271 # an apparent bug in bash 1.12 on linux.
1272 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1274 # From the config-lang.in, get $language, $target_libs,
1275 # $lang_dirs, $boot_language, and $build_by_default
1281 build_by_default=yes
1283 if test x${language} = x; then
1284 echo "${lang_frag} doesn't set \$language." 1>&2
1288 case ,${enable_languages}, in
1290 # Language was explicitly selected; include it.
1294 # 'all' was selected, select it if it is a default language
1295 add_this_lang=${build_by_default}
1302 # Disable languages that need other directories if these aren't available.
1303 for i in $subdir_requires; do
1304 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1305 case ,${enable_languages}, in
1307 # Specifically requested language; tell them.
1308 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1312 add_this_lang=unsupported
1317 # Disable Ada if no preexisting GNAT is available.
1318 case ,${enable_languages},:${language}:${have_gnat} in
1319 *,${language},*:ada:no)
1320 # Specifically requested language; tell them.
1321 AC_MSG_ERROR([GNAT is required to build $language])
1325 add_this_lang=unsupported
1329 # Disable a language that is unsupported by the target.
1330 case " $unsupported_languages " in
1332 add_this_lang=unsupported
1336 case $add_this_lang in
1338 # Remove language-dependent dirs.
1339 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1342 # Remove language-dependent dirs; still show language as supported.
1343 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1344 potential_languages="${potential_languages}${language},"
1347 new_enable_languages="${new_enable_languages}${language},"
1348 potential_languages="${potential_languages}${language},"
1349 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1350 case ${boot_language} in
1352 # Add to (comma-separated) list of stage 1 languages.
1353 stage1_languages="${stage1_languages}${language},"
1362 AC_ARG_ENABLE(stage1-languages,
1363 [ --enable-stage1-languages[=all] choose additional languages to build during
1364 stage1. Mostly useful for compiler development.],
1365 [case ,${enable_stage1_languages}, in
1367 # Set it to something that will have no effect in the loop below
1368 enable_stage1_languages=c ;;
1370 enable_stage1_languages=`echo $new_enable_languages | \
1371 sed -e "s/^,//" -e "s/,$//" ` ;;
1373 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1374 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1377 # Add "good" languages from enable_stage1_languages to stage1_languages,
1378 # while "bad" languages go in missing_languages. Leave no duplicates.
1379 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1380 case $potential_languages in
1382 case $stage1_languages in
1384 *) stage1_languages="$stage1_languages$i," ;;
1387 case $missing_languages in
1389 *) missing_languages="$missing_languages$i," ;;
1394 # Remove leading/trailing commas that were added for simplicity
1395 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1396 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1397 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1398 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1400 if test "x$missing_languages" != x; then
1402 The following requested languages could not be built: ${missing_languages}
1403 Supported languages are: ${potential_languages}])
1405 if test "x$new_enable_languages" != "x$enable_languages"; then
1406 echo The following languages will be built: ${new_enable_languages}
1407 enable_languages="$new_enable_languages"
1410 AC_SUBST(stage1_languages)
1411 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1414 # Handle --disable-<component> generically.
1415 for dir in $configdirs $build_configdirs $target_configdirs ; do
1416 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1417 if eval test x\${enable_${dirname}} "=" xno ; then
1418 noconfigdirs="$noconfigdirs $dir"
1422 # Check for Boehm's garbage collector
1423 AC_ARG_ENABLE(objc-gc,
1424 [ --enable-objc-gc enable the use of Boehm's garbage collector with
1425 the GNU Objective-C runtime.],
1426 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1427 *,objc,*:*:yes:*target-boehm-gc*)
1428 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1432 # Make sure we only build Boehm's garbage collector if required.
1433 case ,${enable_languages},:${enable_objc_gc} in
1435 # Keep target-boehm-gc if requested for Objective-C.
1438 # Otherwise remove target-boehm-gc depending on target-libjava.
1439 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1440 noconfigdirs="$noconfigdirs target-boehm-gc"
1445 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1446 # $build_configdirs and $target_configdirs.
1447 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1450 for dir in . $skipdirs $noconfigdirs ; do
1451 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1452 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1453 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1454 if test -r $srcdir/$dirname/configure ; then
1455 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1458 notsupp="$notsupp $dir"
1462 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1463 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1464 if test -r $srcdir/$dirname/configure ; then
1465 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1468 notsupp="$notsupp $dir"
1472 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1473 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1474 if test -r $srcdir/$dirname/configure ; then
1475 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1478 notsupp="$notsupp $dir"
1484 # Sometimes the tools are distributed with libiberty but with no other
1485 # libraries. In that case, we don't want to build target-libiberty.
1486 # Don't let libgcc imply libiberty either.
1487 if test -n "${target_configdirs}" ; then
1490 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1491 if test "$i" = "libgcc"; then
1492 libgcc=target-libgcc
1493 elif test "$i" != "libiberty" ; then
1494 if test -r $srcdir/$i/configure ; then
1500 if test -z "${others}" ; then
1501 target_configdirs=$libgcc
1505 # Quietly strip out all directories which aren't configurable in this tree.
1506 # This relies on all configurable subdirectories being autoconfiscated, which
1508 build_configdirs_all="$build_configdirs"
1510 for i in ${build_configdirs_all} ; do
1511 j=`echo $i | sed -e s/build-//g`
1512 if test -f ${srcdir}/$j/configure ; then
1513 build_configdirs="${build_configdirs} $i"
1517 configdirs_all="$configdirs"
1519 for i in ${configdirs_all} ; do
1520 if test -f ${srcdir}/$i/configure ; then
1521 configdirs="${configdirs} $i"
1525 target_configdirs_all="$target_configdirs"
1527 for i in ${target_configdirs_all} ; do
1528 j=`echo $i | sed -e s/target-//g`
1529 if test -f ${srcdir}/$j/configure ; then
1530 target_configdirs="${target_configdirs} $i"
1534 # Produce a warning message for the subdirs we can't configure.
1535 # This isn't especially interesting in the Cygnus tree, but in the individual
1536 # FSF releases, it's important to let people know when their machine isn't
1537 # supported by the one or two programs in a package.
1539 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1540 # If $appdirs is non-empty, at least one of those directories must still
1541 # be configured, or we error out. (E.g., if the gas release supports a
1542 # specified target in some subdirs but not the gas subdir, we shouldn't
1543 # pretend that all is well.)
1544 if test -n "$appdirs" ; then
1545 for dir in $appdirs ; do
1546 if test -r $dir/Makefile.in ; then
1547 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1551 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1557 if test -n "$appdirs" ; then
1558 echo "*** This configuration is not supported by this package." 1>&2
1562 # Okay, some application will build, or we don't care to check. Still
1563 # notify of subdirs not getting built.
1564 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1565 echo " ${notsupp}" 1>&2
1566 echo " (Any other directories should still work fine.)" 1>&2
1574 # To find our prefix, in gcc_cv_tool_prefix.
1579 AC_ARG_WITH([build-sysroot],
1580 [ --with-build-sysroot=sysroot
1581 use sysroot as the system root during the build],
1582 [if test x"$withval" != x ; then
1583 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1585 [SYSROOT_CFLAGS_FOR_TARGET=])
1586 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1588 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1589 # the named directory are copied to $(tooldir)/sys-include.
1590 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1591 if test x${is_cross_compiler} = xno ; then
1592 echo 1>&2 '***' --with-headers is only supported when cross compiling
1595 if test x"${with_headers}" != xyes ; then
1596 x=${gcc_cv_tool_prefix}
1597 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
1601 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1602 # the name directories are copied to $(tooldir)/lib. Multiple directories
1604 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1605 if test x${is_cross_compiler} = xno ; then
1606 echo 1>&2 '***' --with-libs is only supported when cross compiling
1609 if test x"${with_libs}" != xyes ; then
1610 # Copy the libraries in reverse order, so that files in the first named
1611 # library override files in subsequent libraries.
1612 x=${gcc_cv_tool_prefix}
1613 for l in ${with_libs}; do
1614 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
1619 # Set with_gnu_as and with_gnu_ld as appropriate.
1621 # This is done by determining whether or not the appropriate directory
1622 # is available, and by checking whether or not specific configurations
1623 # have requested that this magic not happen.
1625 # The command line options always override the explicit settings in
1626 # configure.in, and the settings in configure.in override this magic.
1628 # If the default for a toolchain is to use GNU as and ld, and you don't
1629 # want to do that, then you should use the --without-gnu-as and
1630 # --without-gnu-ld options for the configure script.
1632 if test x${use_gnu_as} = x &&
1633 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1635 extra_host_args="$extra_host_args --with-gnu-as"
1638 if test x${use_gnu_ld} = x &&
1639 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1641 extra_host_args="$extra_host_args --with-gnu-ld"
1644 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1645 # can detect this case.
1647 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1649 extra_host_args="$extra_host_args --with-newlib"
1652 # Handle ${copy_dirs}
1653 set fnord ${copy_dirs}
1655 while test $# != 0 ; do
1656 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1659 echo Copying $1 to $2
1661 # Use the install script to create the directory and all required
1662 # parent directories.
1663 if test -d $2 ; then
1667 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1670 # Copy the directory, assuming we have tar.
1671 # FIXME: Should we use B in the second tar? Not all systems support it.
1672 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1674 # It is the responsibility of the user to correctly adjust all
1675 # symlinks. If somebody can figure out how to handle them correctly
1676 # here, feel free to add the code.
1683 # Determine a target-dependent exec_prefix that the installed
1684 # gcc will search in. Keep this list sorted by triplet, with
1685 # the *-*-osname triplets last.
1689 md_exec_prefix=/gnu/lib/gcc-lib
1691 i[34567]86-pc-msdosdjgpp*)
1692 md_exec_prefix=/dev/env/DJDIR/bin
1694 i[34567]86-*-sco3.2v5*)
1695 if test $with_gnu_as = yes; then
1696 md_exec_prefix=/usr/gnu/bin
1698 md_exec_prefix=/usr/ccs/bin/elf
1703 powerpc-*-chorusos* | \
1704 powerpc*-*-eabi* | \
1705 powerpc*-*-sysv* | \
1706 powerpc*-*-kaos* | \
1708 md_exec_prefix=/usr/ccs/bin
1713 md_exec_prefix=/usr/ccs/bin
1728 md_exec_prefix=/usr/ccs/bin
1732 extra_arflags_for_target=
1733 extra_nmflags_for_target=
1734 extra_ranlibflags_for_target=
1735 target_makefile_frag=/dev/null
1738 target_makefile_frag="config/mt-mep"
1741 target_makefile_frag="config/mt-spu"
1744 target_makefile_frag="config/mt-netware"
1746 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1747 target_makefile_frag="config/mt-gnu"
1749 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1750 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1751 # commands to handle both 32-bit and 64-bit objects. These flags are
1752 # harmless if we're using GNU nm or ar.
1753 extra_arflags_for_target=" -X32_64"
1754 extra_nmflags_for_target=" -B -X32_64"
1757 # ranlib from Darwin requires the -c flag to look at common symbols.
1758 extra_ranlibflags_for_target=" -c"
1760 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1761 target_makefile_frag="config/mt-wince"
1765 alphaieee_frag=/dev/null
1768 # This just makes sure to use the -mieee option to build target libs.
1769 # This should probably be set individually by each library.
1770 alphaieee_frag="config/mt-alphaieee"
1774 # If --enable-target-optspace always use -Os instead of -O2 to build
1775 # the target libraries, similarly if it is not specified, use -Os
1776 # on selected platforms.
1777 ospace_frag=/dev/null
1778 case "${enable_target_optspace}:${target}" in
1780 ospace_frag="config/mt-ospace"
1783 ospace_frag="config/mt-d30v"
1785 :m32r-* | :d10v-* | :fr30-*)
1786 ospace_frag="config/mt-ospace"
1791 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1795 # Default to using --with-stabs for certain targets.
1796 if test x${with_stabs} = x ; then
1798 mips*-*-irix[[56]]*)
1800 mips*-*-* | alpha*-*-osf*)
1802 extra_host_args="${extra_host_args} --with-stabs"
1807 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1808 # them automatically.
1811 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1815 # Some systems (e.g., one of the i386-aix systems the gas testers are
1816 # using) don't handle "\$" correctly, so don't use it here.
1817 tooldir='${exec_prefix}'/${target_noncanonical}
1818 build_tooldir=${tooldir}
1820 # Create a .gdbinit file which runs the one in srcdir
1821 # and tells GDB to look there for source files.
1823 if test -r ${srcdir}/.gdbinit ; then
1826 *) cat > ./.gdbinit <<EOF
1830 source ${srcdir}/.gdbinit
1836 # Make sure that the compiler is able to generate an executable. If it
1837 # can't, we are probably in trouble. We don't care whether we can run the
1838 # executable--we might be using a cross compiler--we only care whether it
1839 # can be created. At this point the main configure script has set CC.
1841 echo "int main () { return 0; }" > conftest.c
1842 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1843 if test $? = 0 ; then
1844 if test -s conftest || test -s conftest.exe ; then
1850 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1851 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1858 # The Solaris /usr/ucb/cc compiler does not appear to work.
1860 sparc-sun-solaris2*)
1861 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1862 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1864 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1865 if test -d /opt/cygnus/bin ; then
1866 if test "$could_use" = "" ; then
1867 could_use="/opt/cygnus/bin"
1869 could_use="$could_use or /opt/cygnus/bin"
1872 if test "$could_use" = "" ; then
1873 echo "Warning: compilation may fail because you're using"
1874 echo "/usr/ucb/cc. You should change your PATH or CC "
1875 echo "variable and rerun configure."
1877 echo "Warning: compilation may fail because you're using"
1878 echo "/usr/ucb/cc, when you should use the C compiler from"
1879 echo "$could_use. You should change your"
1880 echo "PATH or CC variable and rerun configure."
1887 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1888 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1889 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1892 # Record target_configdirs and the configure arguments for target and
1893 # build configuration in Makefile.
1894 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1895 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1897 # Determine whether gdb needs tk/tcl or not.
1898 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1899 # and in that case we want gdb to be built without tk. Ugh!
1900 # In fact I believe gdb is the *only* package directly dependent on tk,
1901 # so we should be able to put the 'maybe's in unconditionally and
1902 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1903 # 100% sure that that's safe though.
1905 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1906 case "$enable_gdbtk" in
1910 GDB_TK="${gdb_tk}" ;;
1912 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1913 # distro. Eventually someone will fix this and move Insight, nee
1914 # gdbtk to a separate directory.
1915 if test -d ${srcdir}/gdb/gdbtk ; then
1922 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1923 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1925 # Strip out unwanted targets.
1927 # While at that, we remove Makefiles if we were started for recursive
1928 # configuration, so that the top-level Makefile reconfigures them,
1929 # like we used to do when configure itself was recursive.
1931 # Loop over modules. $extrasub must be used with care, limiting as
1932 # much as possible the usage of range addresses. That's because autoconf
1933 # splits the sed script to overcome limits in the number of commands,
1934 # and relying on carefully-timed sed passes may turn out to be very hard
1935 # to maintain later. In this particular case, you just have to be careful
1936 # not to nest @if/@endif pairs, because configure will not warn you at all.
1938 AC_ARG_ENABLE([bootstrap],
1939 [ --enable-bootstrap Enable bootstrapping [yes if native build]],,
1940 enable_bootstrap=default)
1942 # Issue errors and warnings for invalid/strange bootstrap combinations.
1943 case "$configdirs" in
1944 *gcc*) have_compiler=yes ;;
1945 *) have_compiler=no ;;
1948 case "$have_compiler:$host:$target:$enable_bootstrap" in
1951 # Default behavior. Enable bootstrap if we have a compiler
1952 # and we are in a native configuration.
1953 yes:$build:$build:default)
1954 enable_bootstrap=yes ;;
1957 enable_bootstrap=no ;;
1959 # We have a compiler and we are in a native configuration, bootstrap is ok
1960 yes:$build:$build:yes)
1963 # Other configurations, but we have a compiler. Assume the user knows
1966 AC_MSG_WARN([trying to bootstrap a cross compiler])
1969 # No compiler: if they passed --enable-bootstrap explicitly, fail
1971 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1973 # Fail if wrong command line
1975 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1979 # Adjust the toplevel makefile according to whether bootstrap was selected.
1980 case "$enable_bootstrap" in
1982 bootstrap_suffix=bootstrap ;;
1984 bootstrap_suffix=no-bootstrap ;;
1987 for module in ${build_configdirs} ; do
1988 if test -z "${no_recursion}" \
1989 && test -f ${build_subdir}/${module}/Makefile; then
1990 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1991 rm -f ${build_subdir}/${module}/Makefile
1994 /^@if build-$module\$/d
1995 /^@endif build-$module\$/d
1996 /^@if build-$module-$bootstrap_suffix\$/d
1997 /^@endif build-$module-$bootstrap_suffix\$/d"
1999 for module in ${configdirs} ; do
2000 if test -z "${no_recursion}"; then
2001 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2002 if test -f ${file}; then
2003 echo 1>&2 "*** removing ${file} to force reconfigure"
2010 /^@endif $module\$/d
2011 /^@if $module-$bootstrap_suffix\$/d
2012 /^@endif $module-$bootstrap_suffix\$/d"
2014 for module in ${target_configdirs} ; do
2015 if test -z "${no_recursion}" \
2016 && test -f ${target_subdir}/${module}/Makefile; then
2017 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2018 rm -f ${target_subdir}/${module}/Makefile
2021 /^@if target-$module\$/d
2022 /^@endif target-$module\$/d
2023 /^@if target-$module-$bootstrap_suffix\$/d
2024 /^@endif target-$module-$bootstrap_suffix\$/d"
2028 /^@if /,/^@endif /d"
2030 # Create the serialization dependencies. This uses a temporary file.
2032 AC_ARG_ENABLE([serial-configure],
2033 [ --enable-serial-[{host,target,build}-]configure
2034 Force sequential configuration of
2035 sub-packages for the host, target or build
2036 machine, or all sub-packages])
2038 case ${enable_serial_configure} in
2040 enable_serial_build_configure=yes
2041 enable_serial_host_configure=yes
2042 enable_serial_target_configure=yes
2046 # These force 'configure's to be done one at a time, to avoid problems
2047 # with contention over a shared config.cache.
2049 echo '# serdep.tmp' > serdep.tmp
2051 test "x${enable_serial_build_configure}" = xyes &&
2052 for item in ${build_configdirs} ; do
2055 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2060 test "x${enable_serial_host_configure}" = xyes &&
2061 for item in ${configdirs} ; do
2064 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2069 test "x${enable_serial_target_configure}" = xyes &&
2070 for item in ${target_configdirs} ; do
2073 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2077 serialization_dependencies=serdep.tmp
2078 AC_SUBST_FILE(serialization_dependencies)
2080 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2081 # target, nonopt, and variable assignments. These are the ones we
2082 # might not want to pass down to subconfigures. Also strip
2083 # program-prefix, program-suffix, and program-transform-name, so that
2084 # we can pass down a consistent program-transform-name.
2088 eval "set -- $ac_configure_args"
2091 if test X"$skip_next" = X"yes"; then
2095 if test X"$keep_next" = X"yes"; then
2098 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2100 baseargs="$baseargs '$ac_arg'"
2105 # Handle separated arguments. Based on the logic generated by
2108 *=* | --config-cache | -C | -disable-* | --disable-* \
2109 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2110 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2111 | -with-* | --with-* | -without-* | --without-* | --x)
2137 -program-prefix* | \
2138 -program-suffix* | \
2139 -program-transform-name* )
2140 skip_next=$separate_arg
2144 # An option. Add it.
2147 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2149 baseargs="$baseargs '$ac_arg'"
2150 keep_next=$separate_arg
2153 # Either a variable assignment, or a nonopt (triplet). Don't
2154 # pass it down; let the Makefile handle this.
2159 # Remove the initial space we just introduced and, as these will be
2160 # expanded by make, quote '$'.
2161 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2163 # Add in --program-transform-name, after --program-prefix and
2164 # --program-suffix have been applied to it. Autoconf has already
2165 # doubled dollar signs and backslashes in program_transform_name; we want
2166 # the backslashes un-doubled, and then the entire thing wrapped in single
2167 # quotes, because this will be expanded first by make and then by the shell.
2168 # Also, because we want to override the logic in subdir configure scripts to
2169 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2170 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2171 ${program_transform_name}
2173 gcc_transform_name=`cat conftestsed.out`
2174 rm -f conftestsed.out
2175 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2177 # For the build-side libraries, we just need to pretend we're native,
2178 # and not use the same cache file. Multilibs are neither needed nor
2180 build_configargs="--cache-file=../config.cache ${baseargs}"
2182 # For host modules, accept cache file option, or specification as blank.
2183 case "${cache_file}" in
2185 cache_file_option="" ;;
2186 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2187 cache_file_option="--cache-file=${cache_file}" ;;
2189 cache_file_option="--cache-file=../${cache_file}" ;;
2192 # Host dirs don't like to share a cache file either, horribly enough.
2193 # This seems to be due to autoconf 2.5x stupidity.
2194 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2196 target_configargs=${baseargs}
2198 # Passing a --with-cross-host argument lets the target libraries know
2199 # whether they are being built with a cross-compiler or being built
2200 # native. However, it would be better to use other mechanisms to make the
2201 # sorts of decisions they want to make on this basis. Please consider
2202 # this option to be deprecated. FIXME.
2203 if test x${is_cross_compiler} = xyes ; then
2204 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2207 # Default to --enable-multilib.
2208 if test x${enable_multilib} = x ; then
2209 target_configargs="--enable-multilib ${target_configargs}"
2212 # Pass --with-newlib if appropriate. Note that target_configdirs has
2213 # changed from the earlier setting of with_newlib.
2214 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2215 target_configargs="--with-newlib ${target_configargs}"
2218 # Different target subdirs use different values of certain variables
2219 # (notably CXX). Worse, multilibs use *lots* of different values.
2220 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2221 # it doesn't automatically accept command-line overrides of them.
2222 # This means it's not safe for target subdirs to share a cache file,
2223 # which is disgusting, but there you have it. Hopefully this can be
2224 # fixed in future. It's still worthwhile to use a cache file for each
2225 # directory. I think.
2227 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2228 # We need to pass --target, as newer autoconf's requires consistency
2229 # for target_alias and gcc doesn't manage it consistently.
2230 target_configargs="--cache-file=./config.cache ${target_configargs}"
2233 case " $target_configdirs " in
2235 case " $target_configargs " in
2236 *" --with-newlib "*)
2239 FLAGS_FOR_TARGET=$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' ;;
2242 # If we're not building GCC, don't discard standard headers.
2243 if test -d ${srcdir}/gcc; then
2244 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2246 if test "${build}" != "${host}"; then
2247 # On Canadian crosses, CC_FOR_TARGET will have already been set
2248 # by `configure', so we won't have an opportunity to add -Bgcc/
2249 # to it. This is right: we don't want to search that directory
2250 # for binaries, but we want the header files in there, so add
2252 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2254 # Someone might think of using the pre-installed headers on
2255 # Canadian crosses, in case the installed compiler is not fully
2256 # compatible with the compiler being built. In this case, it
2257 # would be better to flag an error than risking having
2258 # incompatible object files being constructed. We can't
2259 # guarantee that an error will be flagged, but let's hope the
2260 # compiler will do it, when presented with incompatible header
2265 case "${target}-${is_cross_compiler}" in
2266 i[[3456789]]86-*-linux*-no)
2267 # Here host == target, so we don't need to build gcc,
2268 # so we don't want to discard standard headers.
2269 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2272 # If we're building newlib, use its generic headers last, but search
2273 # for any libc-related directories first (so make it the last -B
2275 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2284 # Can't be handled as Cygwin above since Mingw does not use newlib.
2285 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' ;;
2288 # Allow the user to override the flags for
2289 # our build compiler if desired.
2290 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2292 # On Canadian crosses, we'll be searching the right directories for
2293 # the previously-installed cross compiler, so don't bother to add
2294 # flags for directories within the install tree of the compiler
2295 # being built; programs in there won't even run.
2296 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2297 # Search for pre-installed headers if nothing else fits.
2298 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2301 if test "x${use_gnu_ld}" = x &&
2302 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2303 # Arrange for us to find uninstalled linker scripts.
2304 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2307 # Search for other target-specific linker scripts and such.
2310 if test -d ${srcdir}/libgloss/m32c; then
2311 # This is for crt0.o
2312 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2313 # This is for r8c.ld
2314 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2315 # This is for libnosys.a
2316 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2320 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2324 # Makefile fragments.
2325 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2327 eval fragval=\$$frag
2328 if test $fragval != /dev/null; then
2329 eval $frag=${srcdir}/$fragval
2332 AC_SUBST_FILE(host_makefile_frag)
2333 AC_SUBST_FILE(target_makefile_frag)
2334 AC_SUBST_FILE(alphaieee_frag)
2335 AC_SUBST_FILE(ospace_frag)
2337 # Miscellanea: directories, flags, etc.
2338 AC_SUBST(RPATH_ENVVAR)
2340 AC_SUBST(build_tooldir)
2341 AC_SUBST(CONFIGURE_GDB_TK)
2343 AC_SUBST(INSTALL_GDB_TK)
2345 # Build module lists & subconfigure args.
2346 AC_SUBST(build_configargs)
2347 AC_SUBST(build_configdirs)
2349 # Host module lists & subconfigure args.
2350 AC_SUBST(host_configargs)
2351 AC_SUBST(configdirs)
2353 # Target module lists & subconfigure args.
2354 AC_SUBST(target_configargs)
2358 AC_SUBST(CC_FOR_BUILD)
2359 AC_SUBST(config_shell)
2361 # Generate default definitions for YACC, M4, LEX and other programs that run
2362 # on the build machine. These are used if the Makefile can't locate these
2363 # programs in objdir.
2364 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2366 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2367 case " $build_configdirs " in
2368 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2369 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2372 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2373 case " $build_configdirs " in
2374 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2377 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2378 case " $build_configdirs " in
2379 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2382 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2383 case " $build_configdirs " in
2384 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2385 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2388 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2389 case " $build_configdirs " in
2390 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2393 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2394 case " $build_configdirs " in
2395 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2398 # For an installed makeinfo, we require it to be from texinfo 4.4 or
2399 # higher, else we use the "missing" dummy.
2400 if ${MAKEINFO} --version \
2401 | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
2404 MAKEINFO="$MISSING makeinfo"
2410 # FIXME: expect and dejagnu may become build tools?
2412 AC_CHECK_PROGS(EXPECT, expect, expect)
2413 case " $configdirs " in
2415 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2419 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2420 case " $configdirs " in
2422 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2428 NCN_STRICT_CHECK_TOOLS(AR, ar)
2429 NCN_STRICT_CHECK_TOOLS(AS, as)
2430 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2431 NCN_STRICT_CHECK_TOOLS(LD, ld)
2432 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2433 NCN_STRICT_CHECK_TOOLS(NM, nm)
2434 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2435 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2436 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2437 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2438 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2442 AC_SUBST(CFLAGS_FOR_BUILD)
2446 AC_ARG_WITH([build-time-tools],
2447 [ --with-build-time-tools=path
2448 use given path to find target tools during the build],
2449 [case x"$withval" in
2452 with_build_time_tools=
2453 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2456 [with_build_time_tools=])
2458 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2459 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2460 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2461 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2462 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2464 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2465 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2466 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2467 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2468 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2469 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2470 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2471 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2472 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2473 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2475 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2477 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2478 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2479 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2480 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2481 [gcc/g++ -B$$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],
2483 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2484 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2486 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2487 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2488 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2489 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2490 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2491 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2492 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2493 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2494 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2495 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2496 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2497 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2498 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2500 AC_SUBST(FLAGS_FOR_TARGET)
2501 AC_SUBST(RAW_CXX_FOR_TARGET)
2503 # Certain tools may need extra flags.
2504 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2505 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2506 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2508 # When building target libraries, except in a Canadian cross, we use
2509 # the same toolchain as the compiler we just built.
2510 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2511 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2512 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2513 if test $host = $build; then
2514 case " $configdirs " in
2516 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2517 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2518 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2523 AC_SUBST(COMPILER_AS_FOR_TARGET)
2524 AC_SUBST(COMPILER_LD_FOR_TARGET)
2525 AC_SUBST(COMPILER_NM_FOR_TARGET)
2527 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2528 AC_ARG_ENABLE(maintainer-mode,
2529 [ --enable-maintainer-mode enable make rules and dependencies not useful
2530 (and sometimes confusing) to the casual installer],
2531 USE_MAINTAINER_MODE=$enableval,
2532 USE_MAINTAINER_MODE=no)
2533 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2534 AC_SUBST(MAINTAINER_MODE_TRUE)
2535 AC_SUBST(MAINTAINER_MODE_FALSE)
2536 if test "$USE_MAINTAINER_MODE" = yes; then
2537 MAINTAINER_MODE_TRUE=
2538 MAINTAINER_MODE_FALSE='#'
2540 MAINTAINER_MODE_TRUE='#'
2541 MAINTAINER_MODE_FALSE=
2543 MAINT=$MAINTAINER_MODE_TRUE
2546 # ---------------------
2547 # GCC bootstrap support
2548 # ---------------------
2550 # Stage specific cflags for build.
2555 yes) stage1_cflags="-g -Wa,-J" ;;
2556 *) stage1_cflags="-g -J" ;;
2560 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
2561 if test "$GCC" = yes; then
2562 saved_CFLAGS="$CFLAGS"
2564 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
2565 CFLAGS="$CFLAGS -fkeep-inline-functions"
2566 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2568 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
2569 [AC_MSG_RESULT([no])])
2571 CFLAGS="$saved_CFLAGS"
2574 AC_SUBST(stage1_cflags)
2576 # Enable --enable-checking in stage1 of the compiler.
2577 AC_ARG_ENABLE(stage1-checking,
2578 [ --enable-stage1-checking[=all] choose additional checking for stage1
2580 [stage1_checking=--enable-checking=${enable_stage1_checking}],
2581 [if test "x$enable_checking" = xno; then
2582 stage1_checking=--enable-checking
2584 stage1_checking=--enable-checking${enable_checking+=}$enable_checking
2586 AC_SUBST(stage1_checking)
2588 # Enable -Werror in bootstrap stage2 and later.
2589 AC_ARG_ENABLE(werror,
2590 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2591 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
2596 case ${enable_werror} in
2597 yes) stage2_werror_flag="--enable-werror-always" ;;
2598 *) stage2_werror_flag="" ;;
2600 AC_SUBST(stage2_werror_flag)
2602 # Flags needed to enable html installing and building
2603 AC_ARG_WITH(datarootdir,
2604 [ --with-datarootdir Use datarootdir as the data root directory.],
2605 [datarootdir="\${prefix}/${withval}"],
2606 [datarootdir="\${prefix}/share"])
2609 [ --with-docdir Install documentation in this directory.],
2610 [docdir="\${prefix}/${withval}"],
2611 [docdir="\${datarootdir}/doc"])
2613 AC_ARG_WITH(htmldir,
2614 [ --with-htmldir Install html in this directory.],
2615 [htmldir="\${prefix}/${withval}"],
2616 [htmldir="\${docdir}"])
2618 AC_SUBST(datarootdir)