1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation,
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
26 AC_INIT(move-if-change)
30 # if PWD already has a value, it is probably wrong.
31 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
33 # Export original configure arguments for use by sub-configures.
34 # Quote arguments with shell meta charatcers.
35 TOPLEVEL_CONFIGURE_ARGUMENTS=
36 set -- "$progname" "$@"
40 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
41 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
42 # if the argument is of the form -foo=baz, quote the baz part only
43 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
46 # Add the quoted argument to the list.
47 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
49 if test "$silent" = yes; then
50 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
52 # Remove the initial space we just introduced and, as these will be
53 # expanded by make, quote '$'.
54 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
55 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
57 # Find the build, host, and target systems.
58 ACX_NONCANONICAL_BUILD
60 ACX_NONCANONICAL_TARGET
62 dnl Autoconf 2.5x and later will set a default program prefix if
63 dnl --target was used, even if it was the same as --host. Disable
64 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
66 test "$host_noncanonical" = "$target_noncanonical" &&
67 test "$program_prefix$program_suffix$program_transform_name" = \
69 program_transform_name=s,y,y,
74 m4_pattern_allow([^AS_FOR_TARGET$])dnl
75 m4_pattern_allow([^AS_FOR_BUILD$])dnl
77 # Get 'install' or 'install-sh' and its variants.
82 ### we might need to use some other shell than /bin/sh for running subshells
83 ### If we are on Windows, search for the shell. This will permit people
84 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
85 ### without also having to set CONFIG_SHELL. This code will work when
86 ### using bash, which sets OSTYPE.
89 if test x${CONFIG_SHELL} = x ; then
90 if test ! -f /bin/sh ; then
91 if test x${SHELL} != x && test -f ${SHELL} ; then
95 for prog in sh sh.exe bash bash.exe; do
96 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
98 test -z "$dir" && dir=.
99 if test -f $dir/$prog; then
100 CONFIG_SHELL=$dir/$prog
106 test -n "${CONFIG_SHELL}" && break
114 config_shell=${CONFIG_SHELL-/bin/sh}
116 moveifchange=${srcdir}/move-if-change
118 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
120 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
122 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
123 INSTALL="${srcpwd}/install-sh -c"
126 # Set srcdir to "." if that's what it is.
127 # This is important for multilib support.
129 if test "${pwd}" = "${srcpwd}" ; then
137 ### To add a new directory to the tree, first choose whether it is a target
138 ### or a host dependent tool. Then put it into the appropriate list
139 ### (library or tools, host or target), doing a dependency sort.
141 # Subdirs will be configured in the order listed in build_configdirs,
142 # configdirs, or target_configdirs; see the serialization section below.
144 # Dependency sorting is only needed when *configuration* must be done in
145 # a particular order. In all cases a dependency should be specified in
146 # the Makefile, whether or not it's implicitly specified here.
148 # Double entries in build_configdirs, configdirs, or target_configdirs may
149 # cause circular dependencies and break everything horribly.
151 # these library is used by various programs built for the build
154 build_libs="build-libiberty"
156 # these tools are built for the build environment
157 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
159 # these libraries are used by various programs built for the host environment
161 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr"
163 # these tools are built for the host environment
164 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
165 # know that we are building the simulator.
166 # binutils, gas and ld appear in that order because it makes sense to run
167 # "make check" in that particular order.
168 # If --enable-gold is used, "gold" will replace "ld".
169 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"
171 # libgcj represents the runtime libraries only used by gcj.
172 libgcj="target-libffi \
177 # these libraries are built for the target environment, and are built after
178 # the host libraries and the host tools (which may be a cross compiler)
180 target_libraries="target-libgcc \
185 target-libstdc++-v3 \
194 # these tools are built using the target libraries, and are intended to
195 # run only in the target environment
197 # note: any program that *uses* libraries that are in the "target_libraries"
198 # list belongs in this list. those programs are also very likely
199 # candidates for the "native_only" list which follows
201 target_tools="target-examples target-groff target-gperf target-rda"
203 ################################################################################
205 ## All tools belong in one of the four categories, and are assigned above
206 ## We assign ${configdirs} this way to remove all embedded newlines. This
207 ## is important because configure will choke if they ever get through.
208 ## ${configdirs} is directories we build using the host tools.
209 ## ${target_configdirs} is directories we build using the target tools.
210 configdirs=`echo ${host_libs} ${host_tools}`
211 target_configdirs=`echo ${target_libraries} ${target_tools}`
212 build_configdirs=`echo ${build_libs} ${build_tools}`
214 m4_divert_text([PARSE_ARGS],
215 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
218 ################################################################################
220 srcname="gnu development package"
222 # This gets set non-empty for some net releases of packages.
225 # Define is_cross_compiler to save on calls to 'test'.
227 if test x"${host}" = x"${target}" ; then
230 is_cross_compiler=yes
233 # Find the build and target subdir names.
236 # Skipdirs are removed silently.
238 # Noconfigdirs are removed loudly.
242 # Make sure we don't let GNU ld be added if we didn't want it.
243 if test x$with_gnu_ld = xno ; then
245 noconfigdirs="$noconfigdirs ld gold"
249 # Make sure we don't let GNU as be added if we didn't want it.
250 if test x$with_gnu_as = xno ; then
252 noconfigdirs="$noconfigdirs gas"
255 # some tools are so dependent upon X11 that if we're not building with X,
256 # it's not even worth trying to configure, much less build, that tool.
259 yes | "") ;; # the default value for this tree is that X11 is available
261 skipdirs="${skipdirs} tk itcl libgui"
262 # We won't be able to build gdbtk without X.
265 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
268 # Some tools are only suitable for building in a "native" situation.
269 # Remove these if host!=target.
270 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"
272 # Similarly, some are only suitable for cross toolchains.
273 # Remove these if host=target.
274 cross_only="target-libgloss target-newlib target-opcodes"
276 case $is_cross_compiler in
277 no) skipdirs="${skipdirs} ${cross_only}" ;;
278 yes) skipdirs="${skipdirs} ${native_only}" ;;
281 # If both --with-headers and --with-libs are specified, default to
283 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
284 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
285 if test x"${with_newlib}" = x ; then
290 # Recognize --with-newlib/--without-newlib.
291 case ${with_newlib} in
292 no) skipdirs="${skipdirs} target-newlib" ;;
293 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
296 # Handle --enable-gold.
299 [ --enable-gold use gold instead of ld],
300 ENABLE_GOLD=$enableval,
302 if test "${ENABLE_GOLD}" = "yes"; then
303 # Check for ELF target.
306 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
307 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
308 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2*)
310 *-*-linux*aout* | *-*-linux*oldld*)
318 if test "$is_elf" = "yes"; then
319 # Check for target supported by gold.
321 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-*)
322 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
328 # Configure extra directories which are host specific
332 configdirs="$configdirs libtermcap" ;;
335 # A target can indicate whether a language isn't supported for some reason.
336 # Only spaces may be used in this macro; not newlines or tabs.
337 unsupported_languages=
339 # Remove more programs from consideration, based on the host or
340 # target this usually means that a port of the program doesn't
345 noconfigdirs="$noconfigdirs byacc"
347 i[[3456789]]86-*-vsta)
348 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
350 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
351 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
354 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
356 i[[3456789]]86-*-mingw32*)
357 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
358 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
360 i[[3456789]]86-*-beos*)
361 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
364 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
367 noconfigdirs="$noconfigdirs rcs"
370 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
373 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
378 AC_ARG_ENABLE(libada,
379 [ --enable-libada build libada directory],
380 ENABLE_LIBADA=$enableval,
382 if test "${ENABLE_LIBADA}" != "yes" ; then
383 noconfigdirs="$noconfigdirs gnattools"
386 AC_ARG_ENABLE(libssp,
387 [ --enable-libssp build libssp directory],
388 ENABLE_LIBSSP=$enableval,
391 # Save it here so that, even in case of --enable-libgcj, if the Java
392 # front-end isn't enabled, we still get libgcj disabled.
394 case $enable_libgcj in
396 # If we reset it here, it won't get added to noconfigdirs in the
397 # target-specific build rules, so it will be forcibly enabled
398 # (unless the Java language itself isn't enabled).
402 # Make sure we get it printed in the list of not supported target libs.
403 noconfigdirs="$noconfigdirs ${libgcj}"
408 # Disable libmudflap on some systems.
409 if test x$enable_libmudflap = x ; then
411 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux*)
412 # Enable libmudflap by default in GNU and friends.
415 # Enable libmudflap by default in FreeBSD.
418 # Disable it by default everywhere else.
419 noconfigdirs="$noconfigdirs target-libmudflap"
424 # Disable libgomp on non POSIX hosted systems.
425 if test x$enable_libgomp = x ; then
426 # Enable libgomp by default on hosted POSIX systems.
428 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
430 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
432 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
434 *-*-darwin* | *-*-aix*)
437 noconfigdirs="$noconfigdirs target-libgomp"
442 # Default libgloss CPU subdirectory.
443 libgloss_dir="$target_cpu"
447 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
449 powerpc-*-darwin* | x86_64-*-darwin9*)
450 noconfigdirs="$noconfigdirs ld gas gdb gprof"
451 noconfigdirs="$noconfigdirs sim target-rda"
453 i[[3456789]]86-*-darwin*)
454 noconfigdirs="$noconfigdirs ld gas gprof"
455 noconfigdirs="$noconfigdirs sim target-rda"
458 noconfigdirs="$noconfigdirs ld gas gdb gprof"
459 noconfigdirs="$noconfigdirs sim target-rda"
460 noconfigdirs="$noconfigdirs ${libgcj}"
462 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
463 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
466 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
467 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
468 && test -f /usr/local/include/gmp.h; then
472 # Skip some stuff that's unsupported on some FreeBSD configurations.
477 noconfigdirs="$noconfigdirs ${libgcj}"
482 # Remove unsupported stuff on all kaOS configurations.
483 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
484 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
485 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
486 noconfigdirs="$noconfigdirs target-libgloss"
489 # Skip some stuff on all NetBSD configurations.
490 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
492 # Skip some stuff that's unsupported on some NetBSD configurations.
494 i*86-*-netbsdelf*) ;;
495 arm*-*-netbsdelf*) ;;
497 noconfigdirs="$noconfigdirs ${libgcj}"
502 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
505 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
507 # The tpf target doesn't support gdb yet.
509 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
512 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
515 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
518 # ld works, but does not support shared libraries.
519 # newlib is not 64 bit ready. I'm not sure about fileutils.
520 # gas doesn't generate exception information.
521 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
524 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
527 # newlib is not 64 bit ready
528 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
531 # newlib is not 64 bit ready
532 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
535 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
538 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
540 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
541 noconfigdirs="$noconfigdirs ${libgcj}"
542 noconfigdirs="$noconfigdirs target-examples"
543 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
544 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
545 noconfigdirs="$noconfigdirs expect dejagnu"
546 # the C++ libraries don't build on top of CE's C libraries
547 noconfigdirs="$noconfigdirs target-libstdc++-v3"
548 noconfigdirs="$noconfigdirs target-newlib"
550 *-*-cygwin*) ;; # keep gdb and readline
551 *) noconfigdirs="$noconfigdirs gdb readline"
557 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
561 arm-*-coff | strongarm-*-coff | xscale-*-coff)
562 noconfigdirs="$noconfigdirs ${libgcj}"
565 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
566 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
569 arm*-*-linux-gnueabi)
570 noconfigdirs="$noconfigdirs target-qthreads"
571 case ${with_newlib} in
572 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
577 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
581 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
584 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
587 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
590 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
593 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
596 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
599 noconfigdirs="$noconfigdirs gdb"
600 if test x${is_cross_compiler} != xno ; then
601 target_configdirs="${target_configdirs} target-bsp target-cygmon"
605 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
607 c54x*-*-* | tic54x-*-*)
608 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
611 noconfigdirs="$noconfigdirs ${libgcj} gdb"
613 cris-*-* | crisv32-*-*)
614 unsupported_languages="$unsupported_languages java"
617 unsupported_languages="$unsupported_languages fortran"
618 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
620 noconfigdirs="$noconfigdirs target-boehm-gc";;
622 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
624 unsupported_languages="$unsupported_languages fortran"
625 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
630 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
633 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
636 noconfigdirs="$noconfigdirs ${libgcj} gdb"
638 ep9312-*-elf | ep9312-*-coff)
642 noconfigdirs="$noconfigdirs ${libgcj} gdb"
645 noconfigdirs="$noconfigdirs ${libgcj}"
648 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
651 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
653 hppa1.1-*-osf* | hppa1.1-*-bsd* )
655 hppa*64*-*-linux* | parisc*64*-*-linux*)
656 # In this case, it's because the hppa64-linux target is for
657 # the kernel only at this point and has no libc, and thus no
658 # headers, crt*.o, etc., all of which are needed by these.
659 noconfigdirs="$noconfigdirs target-zlib"
661 parisc*-*-linux* | hppa*-*-linux*)
667 noconfigdirs="$noconfigdirs ${libgcj}"
670 noconfigdirs="$noconfigdirs ld shellutils"
676 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
677 # build on HP-UX 10.20.
678 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
681 noconfigdirs="$noconfigdirs ${libgcj} gdb"
684 # No gdb support yet.
685 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
688 # No gdb or ld support yet.
689 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
693 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
694 noconfigdirs="$noconfigdirs ${libgcj}"
697 i[[3456789]]86-*-linux*)
698 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
699 # not build java stuff by default.
702 noconfigdirs="$noconfigdirs ${libgcj}";;
705 # This section makes it possible to build newlib natively on linux.
706 # If we are using a cross compiler then don't configure newlib.
707 if test x${is_cross_compiler} != xno ; then
708 noconfigdirs="$noconfigdirs target-newlib"
710 noconfigdirs="$noconfigdirs target-libgloss"
711 # If we are not using a cross compiler, do configure newlib.
712 # Note however, that newlib will only be configured in this situation
713 # if the --with-newlib option has been given, because otherwise
714 # 'target-newlib' will appear in skipdirs.
716 i[[3456789]]86-*-mingw32*)
717 target_configdirs="$target_configdirs target-winsup"
718 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
721 target_configdirs="$target_configdirs target-winsup"
722 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
725 target_configdirs="$target_configdirs target-libtermcap target-winsup"
726 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
727 # always build newlib if winsup directory is present.
728 if test -d "$srcdir/winsup/cygwin"; then
729 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
730 elif test -d "$srcdir/newlib"; then
731 echo "Warning: winsup/cygwin is missing so newlib can't be built."
734 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
735 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
738 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
740 i[[3456789]]86-*-sco3.2v5*)
741 # The linker does not yet know about weak symbols in COFF,
742 # and is not configured to handle mixed ELF and COFF.
743 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
745 i[[3456789]]86-*-sco*)
746 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
748 i[[3456789]]86-*-solaris2*)
749 noconfigdirs="$noconfigdirs target-libgloss"
751 i[[3456789]]86-*-sysv4*)
752 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
754 i[[3456789]]86-*-beos*)
755 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
757 i[[3456789]]86-*-rdos*)
758 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
761 noconfigdirs="$noconfigdirs ${libgcj}"
763 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
764 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
768 noconfigdirs="$noconfigdirs ${libgcj}"
771 noconfigdirs="$noconfigdirs ${libgcj}"
777 # The EPOC C++ environment does not support exceptions or rtti,
778 # and so building libstdc++-v3 tends not to always work.
779 noconfigdirs="$noconfigdirs target-libstdc++-v3"
782 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
783 unsupported_languages="$unsupported_languages fortran java"
786 noconfigdirs="$noconfigdirs ${libgcj}"
789 noconfigdirs="$noconfigdirs ${libgcj}"
792 noconfigdirs="$noconfigdirs sim"
795 # copied from rs6000-*-* entry
796 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
798 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
799 target_configdirs="$target_configdirs target-winsup"
800 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
801 # always build newlib.
802 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
804 # This is temporary until we can link against shared libraries
805 powerpcle-*-solaris*)
806 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
810 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
813 noconfigdirs="$noconfigdirs ${libgcj}"
816 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
820 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
823 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
826 noconfigdirs="$noconfigdirs gprof ${libgcj}"
829 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
832 skipdirs="$skipdirs target-libiberty"
833 noconfigdirs="$noconfigdirs ${libgcj}"
834 if test x$with_newlib = xyes; then
835 noconfigdirs="$noconfigdirs gprof"
840 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
843 # Linking libjava exceeds command-line length limits on at least
844 # IRIX 6.2, but not on IRIX 6.5.
845 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
846 # <oldham@codesourcery.com>
847 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
850 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
853 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
856 noconfigdirs="$noconfigdirs gprof ${libgcj}"
860 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
864 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
865 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
866 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
867 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
869 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
871 sparclet-*-aout* | sparc86x-*-*)
875 noconfigdirs="$noconfigdirs ${libgcj}"
878 noconfigdirs="$noconfigdirs ${libgcj}"
882 noconfigdirs="$noconfigdirs ${libgcj}"
886 noconfigdirs="$noconfigdirs ${libgcj}"
887 if test x${is_cross_compiler} != xno ; then
888 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
893 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
894 noconfigdirs="$noconfigdirs ${libgcj}"
896 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
901 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
904 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
907 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
910 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
913 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
916 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
919 noconfigdirs="$noconfigdirs ${libgcj}"
922 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
924 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
925 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
928 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
931 noconfigdirs="$noconfigdirs ${libgcj}"
935 # If we aren't building newlib, then don't build libgloss, since libgloss
936 # depends upon some newlib header files.
937 case "${noconfigdirs}" in
938 *target-libgloss*) ;;
939 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
942 # Work in distributions that contain no compiler tools, like Autoconf.
944 host_makefile_frag=/dev/null
945 if test -d ${srcdir}/config ; then
948 # Avoid "too much defining" errors from HPUX compiler.
949 tentative_cc="cc -Wp,-H256000"
950 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
951 # If it's HP/UX ar, this should be harmless.
955 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
958 #None of the Apollo compilers can compile gas or binutils. The preprocessor
959 # chokes on bfd, the compiler won't let you assign integers to enums, and
960 # other problems. Defining CC to gcc is a questionable way to say "don't use
961 # the apollo compiler" (the preferred version of GCC could be called cc,
962 # or whatever), but I'm not sure leaving CC as cc is any better...
963 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
964 # Used to have BISON=yacc.
968 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
971 # Under CX/UX, we want to tell the compiler to use ANSI mode.
972 tentative_cc="cc -Xa"
973 host_makefile_frag="config/mh-cxux"
978 tentative_cc="cc -Wf,-XNg1000"
979 host_makefile_frag="config/mh-decstation"
982 # The C compiler on NEC MIPS SVR4 needs bigger tables.
983 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
984 host_makefile_frag="config/mh-necv4"
987 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
988 # environment. Also bump switch table size so that cp-parse will
989 # compile. Bump string length limit so linker builds.
990 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
993 host_makefile_frag="config/mh-sysv4"
996 # This is for a MIPS running RISC/os 4.52C.
998 # This is needed for GDB, but needs to be in the top-level make because
999 # if a library is compiled with the bsd headers and gets linked with the
1000 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1001 # a different size).
1002 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1003 # known except to select the sysv environment. Could we use /proc instead?
1004 # These "sysv environments" and "bsd environments" often end up being a pain.
1006 # This is not part of CFLAGS because perhaps not all C compilers have this
1008 tentative_cc="cc -systype sysv"
1013 i[[3456789]]86-*-sysv5*)
1014 host_makefile_frag="config/mh-sysv5"
1016 i[[3456789]]86-*-dgux*)
1017 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1018 host_makefile_frag="config/mh-dgux386"
1020 i[[3456789]]86-ncr-sysv4.3*)
1021 # The MetaWare compiler will generate a copyright message unless you
1022 # turn it off by adding the -Hnocopyr flag.
1023 tentative_cc="cc -Hnocopyr"
1025 i[[3456789]]86-ncr-sysv4*)
1026 # for an NCR 3000 (i486/SVR4) system.
1027 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1028 # This compiler not only emits obnoxious copyright messages every time
1029 # you run it, but it chokes and dies on a whole bunch of GNU source
1030 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1031 tentative_cc="/usr/ccs/ATT/cc"
1032 host_makefile_frag="config/mh-ncr3000"
1034 i[[3456789]]86-*-sco3.2v5*)
1036 i[[3456789]]86-*-sco*)
1037 # The native C compiler botches some simple uses of const. Unfortunately,
1038 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1039 tentative_cc="cc -Dconst="
1040 host_makefile_frag="config/mh-sco"
1042 i[[3456789]]86-*-udk*)
1043 host_makefile_frag="config/mh-sysv5"
1045 i[[3456789]]86-*-solaris2*)
1046 host_makefile_frag="config/mh-sysv4"
1048 i[[3456789]]86-*-msdosdjgpp*)
1049 host_makefile_frag="config/mh-djgpp"
1052 ACX_CHECK_CYGWIN_CAT_WORKS
1053 host_makefile_frag="config/mh-cygwin"
1056 host_makefile_frag="config/mh-mingw"
1059 host_makefile_frag="config/mh-interix"
1062 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1066 host_makefile_frag="config/mh-solaris"
1069 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1070 # without overflowing the jump tables (-J says to use a 32 bit table)
1071 tentative_cc="cc -J"
1074 tentative_cc="cc -Wp,-H256000"
1075 host_makefile_frag="config/mh-pa-hpux10"
1077 hppa*-hp-hpux* | hppa*-*-hiux*)
1078 tentative_cc="cc -Wp,-H256000"
1079 host_makefile_frag="config/mh-pa"
1082 host_makefile_frag="config/mh-pa"
1084 *-hp-hpux* | *-*-hiux*)
1085 tentative_cc="cc -Wp,-H256000"
1088 # /bin/cc is less than useful for our purposes. Always use GCC
1089 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1090 host_makefile_frag="config/mh-lynxrs6k"
1093 host_makefile_frag="config/mh-ppc-darwin"
1096 host_makefile_frag="config/mh-ppc-aix"
1099 host_makefile_frag="config/mh-ppc-aix"
1102 # /bin/cc is less than useful for our purposes. Always use GCC
1103 tentative_cc="/bin/gcc"
1106 host_makefile_frag="config/mh-sysv4"
1108 # This is placed last to prevent interfering with the cases above.
1110 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1111 host_makefile_frag="config/mh-x86omitfp"
1116 # If we aren't going to be using gcc, see if we can extract a definition
1117 # of CC from the fragment.
1118 # Actually, use the 'pre-extracted' version above.
1119 if test -z "${CC}" && test "${build}" = "${host}" ; then
1120 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1122 for dir in $PATH; do
1123 test -z "$dir" && dir=.
1124 if test -f $dir/gcc; then
1130 if test -z "${found}" && test -n "${tentative_cc}" ; then
1135 if test "${build}" != "${host}" ; then
1136 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1137 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1138 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1139 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1140 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1141 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1142 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1143 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1144 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1145 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1146 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1147 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1149 AR_FOR_BUILD="\$(AR)"
1150 AS_FOR_BUILD="\$(AS)"
1151 CC_FOR_BUILD="\$(CC)"
1152 CXX_FOR_BUILD="\$(CXX)"
1153 GCJ_FOR_BUILD="\$(GCJ)"
1154 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1155 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1156 LD_FOR_BUILD="\$(LD)"
1157 NM_FOR_BUILD="\$(NM)"
1158 RANLIB_FOR_BUILD="\$(RANLIB)"
1159 WINDRES_FOR_BUILD="\$(WINDRES)"
1160 WINDMC_FOR_BUILD="\$(WINDMC)"
1166 # We must set the default linker to the linker used by gcc for the correct
1167 # operation of libtool. If LD is not defined and we are using gcc, try to
1168 # set the LD default to the ld used by gcc.
1169 if test -z "$LD"; then
1170 if test "$GCC" = yes; then
1173 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1175 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1177 case $gcc_prog_ld in
1178 # Accept absolute paths.
1179 [[\\/]* | [A-Za-z]:[\\/]*)]
1180 LD="$gcc_prog_ld" ;;
1186 ACX_PROG_CMP_IGNORE_INITIAL
1188 # Check for GMP and MPFR
1189 gmplibs="-lmpfr -lgmp"
1193 # Specify a location for mpfr
1194 # check for this first so it ends up on the link line before gmp.
1195 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1196 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1197 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1199 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1200 Equivalent to --with-mpfr-include=PATH/include
1201 plus --with-mpfr-lib=PATH/lib])
1202 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1203 specify directory for installed MPFR include files])
1204 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1206 if test "x$with_mpfr" != x; then
1207 gmplibs="-L$with_mpfr/lib $gmplibs"
1208 gmpinc="-I$with_mpfr/include"
1210 if test "x$with_mpfr_include" != x; then
1211 gmpinc="-I$with_mpfr_include"
1213 if test "x$with_mpfr_lib" != x; then
1214 gmplibs="-L$with_mpfr_lib $gmplibs"
1216 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1217 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1218 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1219 # Do not test the mpfr version. Assume that it is sufficient, since
1220 # it is in the source tree, and the library has not been built yet
1221 # but it would be included on the link line in the version check below
1222 # hence making the test fail.
1226 # Specify a location for gmp
1227 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1228 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1229 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1231 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1232 Equivalent to --with-gmp-include=PATH/include
1233 plus --with-gmp-lib=PATH/lib])
1234 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1235 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1238 if test "x$with_gmp" != x; then
1239 gmplibs="-L$with_gmp/lib $gmplibs"
1240 gmpinc="-I$with_gmp/include $gmpinc"
1242 if test "x$with_gmp_include" != x; then
1243 gmpinc="-I$with_gmp_include $gmpinc"
1245 if test "x$with_gmp_lib" != x; then
1246 gmplibs="-L$with_gmp_lib $gmplibs"
1248 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1249 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1250 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1251 # Do not test the gmp version. Assume that it is sufficient, since
1252 # it is in the source tree, and the library has not been built yet
1253 # but it would be included on the link line in the version check below
1254 # hence making the test fail.
1258 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1260 saved_CFLAGS="$CFLAGS"
1261 CFLAGS="$CFLAGS $gmpinc"
1262 # Check GMP actually works
1263 AC_MSG_CHECKING([for correct version of gmp.h])
1264 AC_TRY_COMPILE([#include "gmp.h"],[
1265 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
1268 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1270 if test x"$have_gmp" = xyes; then
1272 LIBS="$LIBS $gmplibs"
1273 dnl MPFR 2.2.1 is acceptable, but MPFR 2.3.0 is better.
1274 AC_MSG_CHECKING([for correct version of mpfr.h])
1275 AC_TRY_LINK([#include <gmp.h>
1276 #include <mpfr.h>],[
1277 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
1285 mpfr_atan2 (n, n, x, GMP_RNDN);
1286 mpfr_erfc (n, x, GMP_RNDN);
1287 mpfr_subnormalize (x, t, GMP_RNDN);
1288 ], [AC_TRY_LINK([#include <gmp.h>
1289 #include <mpfr.h>],[
1290 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,0)
1293 mpfr_t n; mpfr_init(n);
1294 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1295 [AC_MSG_RESULT([no]); have_gmp=no])
1298 CFLAGS="$saved_CFLAGS"
1300 if test x$have_gmp != xyes; then
1301 AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.3.0+.
1302 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1303 Copies of these libraries' source code can be found at their respective
1304 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1305 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1306 If you obtained GMP and/or MPFR from a vendor distribution package, make
1307 sure that you have installed both the libraries and the header files.
1308 They may be located in separate packages.])
1312 # Flags needed for both GMP and/or MPFR
1316 # By default, C is the only stage 1 language.
1317 stage1_languages=,c,
1319 # Figure out what language subdirectories are present.
1320 # Look if the user specified --enable-languages="..."; if not, use
1321 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1323 # NB: embedded tabs in this IF block -- do not untabify
1324 if test -d ${srcdir}/gcc; then
1325 if test x"${enable_languages+set}" != xset; then
1326 if test x"${LANGUAGES+set}" = xset; then
1327 enable_languages="${LANGUAGES}"
1328 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1330 enable_languages=all
1333 if test x"${enable_languages}" = x ||
1334 test x"${enable_languages}" = xyes;
1336 echo configure.in: --enable-languages needs at least one language argument 1>&2
1340 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1342 # 'f95' is the old name for the 'fortran' language. We issue a warning
1343 # and make the substitution.
1344 case ,${enable_languages}, in
1346 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1347 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1351 # First scan to see if an enabled language requires some other language.
1352 # We assume that a given config-lang.in will list all the language
1353 # front ends it requires, even if some are required indirectly.
1354 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1355 case ${lang_frag} in
1357 # The odd quoting in the next line works around
1358 # an apparent bug in bash 1.12 on linux.
1359 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1361 # From the config-lang.in, get $language, $lang_requires
1365 for other in ${lang_requires} ; do
1366 case ,${enable_languages}, in
1370 echo " \`$other' language required by \`$language'; enabling" 1>&2
1371 enable_languages="${enable_languages},${other}"
1379 new_enable_languages=,c,
1380 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1381 potential_languages=,c,
1383 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1384 case ${lang_frag} in
1386 # The odd quoting in the next line works around
1387 # an apparent bug in bash 1.12 on linux.
1388 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1390 # From the config-lang.in, get $language, $target_libs,
1391 # $lang_dirs, $boot_language, and $build_by_default
1397 build_by_default=yes
1399 if test x${language} = x; then
1400 echo "${lang_frag} doesn't set \$language." 1>&2
1404 case ,${enable_languages}, in
1406 # Language was explicitly selected; include it.
1410 # 'all' was selected, select it if it is a default language
1411 add_this_lang=${build_by_default}
1418 # Disable languages that need other directories if these aren't available.
1419 for i in $subdir_requires; do
1420 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1421 case ,${enable_languages}, in
1423 # Specifically requested language; tell them.
1424 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1428 add_this_lang=unsupported
1433 # Disable Ada if no preexisting GNAT is available.
1434 case ,${enable_languages},:${language}:${have_gnat} in
1435 *,${language},*:ada:no)
1436 # Specifically requested language; tell them.
1437 AC_MSG_ERROR([GNAT is required to build $language])
1441 add_this_lang=unsupported
1445 # Disable a language that is unsupported by the target.
1446 case " $unsupported_languages " in
1448 add_this_lang=unsupported
1452 case $add_this_lang in
1454 # Remove language-dependent dirs.
1455 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1458 # Remove language-dependent dirs; still show language as supported.
1459 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1460 potential_languages="${potential_languages}${language},"
1463 new_enable_languages="${new_enable_languages}${language},"
1464 potential_languages="${potential_languages}${language},"
1465 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1466 case ${boot_language} in
1468 # Add to (comma-separated) list of stage 1 languages.
1469 stage1_languages="${stage1_languages}${language},"
1478 AC_ARG_ENABLE(stage1-languages,
1479 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1480 stage1. Mostly useful for compiler development.],
1481 [case ,${enable_stage1_languages}, in
1483 # Set it to something that will have no effect in the loop below
1484 enable_stage1_languages=c ;;
1486 enable_stage1_languages=`echo $new_enable_languages | \
1487 sed -e "s/^,//" -e "s/,$//" ` ;;
1489 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1490 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1493 # Add "good" languages from enable_stage1_languages to stage1_languages,
1494 # while "bad" languages go in missing_languages. Leave no duplicates.
1495 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1496 case $potential_languages in
1498 case $stage1_languages in
1500 *) stage1_languages="$stage1_languages$i," ;;
1503 case $missing_languages in
1505 *) missing_languages="$missing_languages$i," ;;
1510 # Remove leading/trailing commas that were added for simplicity
1511 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1512 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1513 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1514 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1516 if test "x$missing_languages" != x; then
1518 The following requested languages could not be built: ${missing_languages}
1519 Supported languages are: ${potential_languages}])
1521 if test "x$new_enable_languages" != "x$enable_languages"; then
1522 echo The following languages will be built: ${new_enable_languages}
1523 enable_languages="$new_enable_languages"
1526 AC_SUBST(stage1_languages)
1527 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1530 # Handle --disable-<component> generically.
1531 for dir in $configdirs $build_configdirs $target_configdirs ; do
1532 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1533 varname=`echo $dirname | sed -e s/+/_/g`
1534 if eval test x\${enable_${varname}} "=" xno ; then
1535 noconfigdirs="$noconfigdirs $dir"
1539 # Check for Boehm's garbage collector
1540 AC_ARG_ENABLE(objc-gc,
1541 [ --enable-objc-gc enable use of Boehm's garbage collector with the
1542 GNU Objective-C runtime],
1543 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1544 *,objc,*:*:yes:*target-boehm-gc*)
1545 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1549 # Make sure we only build Boehm's garbage collector if required.
1550 case ,${enable_languages},:${enable_objc_gc} in
1552 # Keep target-boehm-gc if requested for Objective-C.
1555 # Otherwise remove target-boehm-gc depending on target-libjava.
1556 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1557 noconfigdirs="$noconfigdirs target-boehm-gc"
1562 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1563 # $build_configdirs and $target_configdirs.
1564 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1567 for dir in . $skipdirs $noconfigdirs ; do
1568 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1569 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1570 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1571 if test -r $srcdir/$dirname/configure ; then
1572 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1575 notsupp="$notsupp $dir"
1579 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1580 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1581 if test -r $srcdir/$dirname/configure ; then
1582 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1585 notsupp="$notsupp $dir"
1589 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1590 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1591 if test -r $srcdir/$dirname/configure ; then
1592 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1595 notsupp="$notsupp $dir"
1601 # Sometimes the tools are distributed with libiberty but with no other
1602 # libraries. In that case, we don't want to build target-libiberty.
1603 # Don't let libgcc imply libiberty either.
1604 if test -n "${target_configdirs}" ; then
1607 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1608 if test "$i" = "libgcc"; then
1609 libgcc=target-libgcc
1610 elif test "$i" != "libiberty" ; then
1611 if test -r $srcdir/$i/configure ; then
1617 if test -z "${others}" ; then
1618 target_configdirs=$libgcc
1622 # Quietly strip out all directories which aren't configurable in this tree.
1623 # This relies on all configurable subdirectories being autoconfiscated, which
1625 build_configdirs_all="$build_configdirs"
1627 for i in ${build_configdirs_all} ; do
1628 j=`echo $i | sed -e s/build-//g`
1629 if test -f ${srcdir}/$j/configure ; then
1630 build_configdirs="${build_configdirs} $i"
1634 configdirs_all="$configdirs"
1636 for i in ${configdirs_all} ; do
1637 if test -f ${srcdir}/$i/configure ; then
1638 configdirs="${configdirs} $i"
1642 target_configdirs_all="$target_configdirs"
1644 for i in ${target_configdirs_all} ; do
1645 j=`echo $i | sed -e s/target-//g`
1646 if test -f ${srcdir}/$j/configure ; then
1647 target_configdirs="${target_configdirs} $i"
1651 # Produce a warning message for the subdirs we can't configure.
1652 # This isn't especially interesting in the Cygnus tree, but in the individual
1653 # FSF releases, it's important to let people know when their machine isn't
1654 # supported by the one or two programs in a package.
1656 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1657 # If $appdirs is non-empty, at least one of those directories must still
1658 # be configured, or we error out. (E.g., if the gas release supports a
1659 # specified target in some subdirs but not the gas subdir, we shouldn't
1660 # pretend that all is well.)
1661 if test -n "$appdirs" ; then
1662 for dir in $appdirs ; do
1663 if test -r $dir/Makefile.in ; then
1664 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1668 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1674 if test -n "$appdirs" ; then
1675 echo "*** This configuration is not supported by this package." 1>&2
1679 # Okay, some application will build, or we don't care to check. Still
1680 # notify of subdirs not getting built.
1681 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1682 echo " ${notsupp}" 1>&2
1683 echo " (Any other directories should still work fine.)" 1>&2
1691 # To find our prefix, in gcc_cv_tool_prefix.
1696 AC_ARG_WITH([build-sysroot],
1697 [ --with-build-sysroot=SYSROOT
1698 use sysroot as the system root during the build],
1699 [if test x"$withval" != x ; then
1700 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1702 [SYSROOT_CFLAGS_FOR_TARGET=])
1703 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1705 AC_ARG_WITH([debug-prefix-map],
1706 [ --with-debug-prefix-map='A=B C=D ...'
1707 map A to B, C to D ... in debug information],
1708 [if test x"$withval" != x; then
1709 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
1710 for debug_map in $withval; do
1711 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
1714 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
1715 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
1717 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
1718 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
1719 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
1720 # We want to ensure that TARGET libraries (which we know are built with
1721 # gcc) are built with "-O2 -g", so include those options when setting
1722 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
1723 if test "x$CFLAGS_FOR_TARGET" = x; then
1724 CFLAGS_FOR_TARGET=$CFLAGS
1727 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
1730 *" -g "* | *" -g3 "*) ;;
1731 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
1734 AC_SUBST(CFLAGS_FOR_TARGET)
1736 if test "x$CXXFLAGS_FOR_TARGET" = x; then
1737 CXXFLAGS_FOR_TARGET=$CXXFLAGS
1738 case " $CXXFLAGS " in
1740 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
1742 case " $CXXFLAGS " in
1743 *" -g "* | *" -g3 "*) ;;
1744 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
1747 AC_SUBST(CXXFLAGS_FOR_TARGET)
1749 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1750 # the named directory are copied to $(tooldir)/sys-include.
1751 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1752 if test x${is_cross_compiler} = xno ; then
1753 echo 1>&2 '***' --with-headers is only supported when cross compiling
1756 if test x"${with_headers}" != xyes ; then
1757 x=${gcc_cv_tool_prefix}
1758 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
1762 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1763 # the name directories are copied to $(tooldir)/lib. Multiple directories
1765 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1766 if test x${is_cross_compiler} = xno ; then
1767 echo 1>&2 '***' --with-libs is only supported when cross compiling
1770 if test x"${with_libs}" != xyes ; then
1771 # Copy the libraries in reverse order, so that files in the first named
1772 # library override files in subsequent libraries.
1773 x=${gcc_cv_tool_prefix}
1774 for l in ${with_libs}; do
1775 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
1780 # Set with_gnu_as and with_gnu_ld as appropriate.
1782 # This is done by determining whether or not the appropriate directory
1783 # is available, and by checking whether or not specific configurations
1784 # have requested that this magic not happen.
1786 # The command line options always override the explicit settings in
1787 # configure.in, and the settings in configure.in override this magic.
1789 # If the default for a toolchain is to use GNU as and ld, and you don't
1790 # want to do that, then you should use the --without-gnu-as and
1791 # --without-gnu-ld options for the configure script.
1793 if test x${use_gnu_as} = x &&
1794 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1796 extra_host_args="$extra_host_args --with-gnu-as"
1799 if test x${use_gnu_ld} = x &&
1800 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
1802 extra_host_args="$extra_host_args --with-gnu-ld"
1805 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1806 # can detect this case.
1808 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1810 extra_host_args="$extra_host_args --with-newlib"
1813 # Handle ${copy_dirs}
1814 set fnord ${copy_dirs}
1816 while test $# != 0 ; do
1817 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1820 echo Copying $1 to $2
1822 # Use the install script to create the directory and all required
1823 # parent directories.
1824 if test -d $2 ; then
1828 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1831 # Copy the directory, assuming we have tar.
1832 # FIXME: Should we use B in the second tar? Not all systems support it.
1833 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1835 # It is the responsibility of the user to correctly adjust all
1836 # symlinks. If somebody can figure out how to handle them correctly
1837 # here, feel free to add the code.
1844 # Determine a target-dependent exec_prefix that the installed
1845 # gcc will search in. Keep this list sorted by triplet, with
1846 # the *-*-osname triplets last.
1850 md_exec_prefix=/gnu/lib/gcc-lib
1852 i[[34567]]86-pc-msdosdjgpp*)
1853 md_exec_prefix=/dev/env/DJDIR/bin
1855 i[[34567]]86-*-sco3.2v5*)
1856 if test $with_gnu_as = yes; then
1857 md_exec_prefix=/usr/gnu/bin
1859 md_exec_prefix=/usr/ccs/bin/elf
1864 powerpc-*-chorusos* | \
1865 powerpc*-*-eabi* | \
1866 powerpc*-*-sysv* | \
1867 powerpc*-*-kaos* | \
1869 md_exec_prefix=/usr/ccs/bin
1874 md_exec_prefix=/usr/ccs/bin
1889 md_exec_prefix=/usr/ccs/bin
1893 extra_arflags_for_target=
1894 extra_nmflags_for_target=
1895 extra_ranlibflags_for_target=
1896 target_makefile_frag=/dev/null
1899 target_makefile_frag="config/mt-mep"
1902 target_makefile_frag="config/mt-spu"
1905 target_makefile_frag="config/mt-sde"
1907 mipsisa*-*-elfoabi*)
1908 target_makefile_frag="config/mt-mips-elfoabi"
1910 mips*-*-*linux* | mips*-*-gnu*)
1911 target_makefile_frag="config/mt-mips-gnu"
1914 target_makefile_frag="config/mt-netware"
1916 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1917 target_makefile_frag="config/mt-gnu"
1919 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1920 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1921 # commands to handle both 32-bit and 64-bit objects. These flags are
1922 # harmless if we're using GNU nm or ar.
1923 extra_arflags_for_target=" -X32_64"
1924 extra_nmflags_for_target=" -B -X32_64"
1927 # ranlib from Darwin requires the -c flag to look at common symbols.
1928 extra_ranlibflags_for_target=" -c"
1930 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1931 target_makefile_frag="config/mt-wince"
1935 alphaieee_frag=/dev/null
1938 # This just makes sure to use the -mieee option to build target libs.
1939 # This should probably be set individually by each library.
1940 alphaieee_frag="config/mt-alphaieee"
1944 # If --enable-target-optspace always use -Os instead of -O2 to build
1945 # the target libraries, similarly if it is not specified, use -Os
1946 # on selected platforms.
1947 ospace_frag=/dev/null
1948 case "${enable_target_optspace}:${target}" in
1950 ospace_frag="config/mt-ospace"
1953 ospace_frag="config/mt-d30v"
1955 :m32r-* | :d10v-* | :fr30-*)
1956 ospace_frag="config/mt-ospace"
1961 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1965 # Default to using --with-stabs for certain targets.
1966 if test x${with_stabs} = x ; then
1968 mips*-*-irix[[56]]*)
1970 mips*-*-* | alpha*-*-osf*)
1972 extra_host_args="${extra_host_args} --with-stabs"
1977 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1978 # them automatically.
1981 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1985 # Some systems (e.g., one of the i386-aix systems the gas testers are
1986 # using) don't handle "\$" correctly, so don't use it here.
1987 tooldir='${exec_prefix}'/${target_noncanonical}
1988 build_tooldir=${tooldir}
1990 # Create a .gdbinit file which runs the one in srcdir
1991 # and tells GDB to look there for source files.
1993 if test -r ${srcdir}/.gdbinit ; then
1996 *) cat > ./.gdbinit <<EOF
2000 source ${srcdir}/.gdbinit
2006 # Make sure that the compiler is able to generate an executable. If it
2007 # can't, we are probably in trouble. We don't care whether we can run the
2008 # executable--we might be using a cross compiler--we only care whether it
2009 # can be created. At this point the main configure script has set CC.
2011 echo "int main () { return 0; }" > conftest.c
2012 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2013 if test $? = 0 ; then
2014 if test -s conftest || test -s conftest.exe ; then
2020 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2021 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2028 # The Solaris /usr/ucb/cc compiler does not appear to work.
2030 sparc-sun-solaris2*)
2031 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2032 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2034 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2035 if test -d /opt/cygnus/bin ; then
2036 if test "$could_use" = "" ; then
2037 could_use="/opt/cygnus/bin"
2039 could_use="$could_use or /opt/cygnus/bin"
2042 if test "$could_use" = "" ; then
2043 echo "Warning: compilation may fail because you're using"
2044 echo "/usr/ucb/cc. You should change your PATH or CC "
2045 echo "variable and rerun configure."
2047 echo "Warning: compilation may fail because you're using"
2048 echo "/usr/ucb/cc, when you should use the C compiler from"
2049 echo "$could_use. You should change your"
2050 echo "PATH or CC variable and rerun configure."
2056 # Decide which environment variable is used to find dynamic libraries.
2058 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2059 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2060 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2061 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2064 # On systems where the dynamic library environment variable is PATH,
2065 if test "$RPATH_ENVVAR" = PATH; then
2066 GCC_SHLIB_SUBDIR=/shlib
2071 # Record target_configdirs and the configure arguments for target and
2072 # build configuration in Makefile.
2073 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2074 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2076 # Determine whether gdb needs tk/tcl or not.
2077 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2078 # and in that case we want gdb to be built without tk. Ugh!
2079 # In fact I believe gdb is the *only* package directly dependent on tk,
2080 # so we should be able to put the 'maybe's in unconditionally and
2081 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2082 # 100% sure that that's safe though.
2084 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2085 case "$enable_gdbtk" in
2089 GDB_TK="${gdb_tk}" ;;
2091 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2092 # distro. Eventually someone will fix this and move Insight, nee
2093 # gdbtk to a separate directory.
2094 if test -d ${srcdir}/gdb/gdbtk ; then
2101 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2102 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2104 # Strip out unwanted targets.
2106 # While at that, we remove Makefiles if we were started for recursive
2107 # configuration, so that the top-level Makefile reconfigures them,
2108 # like we used to do when configure itself was recursive.
2110 # Loop over modules. $extrasub must be used with care, limiting as
2111 # much as possible the usage of range addresses. That's because autoconf
2112 # splits the sed script to overcome limits in the number of commands,
2113 # and relying on carefully-timed sed passes may turn out to be very hard
2114 # to maintain later. In this particular case, you just have to be careful
2115 # not to nest @if/@endif pairs, because configure will not warn you at all.
2117 AC_ARG_ENABLE([bootstrap],
2118 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2119 enable_bootstrap=default)
2121 # Issue errors and warnings for invalid/strange bootstrap combinations.
2122 case "$configdirs" in
2123 *gcc*) have_compiler=yes ;;
2124 *) have_compiler=no ;;
2127 case "$have_compiler:$host:$target:$enable_bootstrap" in
2130 # Default behavior. Enable bootstrap if we have a compiler
2131 # and we are in a native configuration.
2132 yes:$build:$build:default)
2133 enable_bootstrap=yes ;;
2136 enable_bootstrap=no ;;
2138 # We have a compiler and we are in a native configuration, bootstrap is ok
2139 yes:$build:$build:yes)
2142 # Other configurations, but we have a compiler. Assume the user knows
2145 AC_MSG_WARN([trying to bootstrap a cross compiler])
2148 # No compiler: if they passed --enable-bootstrap explicitly, fail
2150 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2152 # Fail if wrong command line
2154 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2158 # Adjust the toplevel makefile according to whether bootstrap was selected.
2159 case "$enable_bootstrap" in
2161 bootstrap_suffix=bootstrap ;;
2163 bootstrap_suffix=no-bootstrap ;;
2166 for module in ${build_configdirs} ; do
2167 if test -z "${no_recursion}" \
2168 && test -f ${build_subdir}/${module}/Makefile; then
2169 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2170 rm -f ${build_subdir}/${module}/Makefile
2173 /^@if build-$module\$/d
2174 /^@endif build-$module\$/d
2175 /^@if build-$module-$bootstrap_suffix\$/d
2176 /^@endif build-$module-$bootstrap_suffix\$/d"
2178 for module in ${configdirs} ; do
2179 if test -z "${no_recursion}"; then
2180 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2181 if test -f ${file}; then
2182 echo 1>&2 "*** removing ${file} to force reconfigure"
2189 /^@endif $module\$/d
2190 /^@if $module-$bootstrap_suffix\$/d
2191 /^@endif $module-$bootstrap_suffix\$/d"
2193 for module in ${target_configdirs} ; do
2194 if test -z "${no_recursion}" \
2195 && test -f ${target_subdir}/${module}/Makefile; then
2196 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2197 rm -f ${target_subdir}/${module}/Makefile
2200 /^@if target-$module\$/d
2201 /^@endif target-$module\$/d
2202 /^@if target-$module-$bootstrap_suffix\$/d
2203 /^@endif target-$module-$bootstrap_suffix\$/d"
2207 /^@if /,/^@endif /d"
2209 # Create the serialization dependencies. This uses a temporary file.
2211 AC_ARG_ENABLE([serial-configure],
2212 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2213 force sequential configuration of
2214 sub-packages for the host, target or build
2215 machine, or all sub-packages])
2217 case ${enable_serial_configure} in
2219 enable_serial_build_configure=yes
2220 enable_serial_host_configure=yes
2221 enable_serial_target_configure=yes
2225 # These force 'configure's to be done one at a time, to avoid problems
2226 # with contention over a shared config.cache.
2228 echo '# serdep.tmp' > serdep.tmp
2230 test "x${enable_serial_build_configure}" = xyes &&
2231 for item in ${build_configdirs} ; do
2234 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2239 test "x${enable_serial_host_configure}" = xyes &&
2240 for item in ${configdirs} ; do
2243 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2248 test "x${enable_serial_target_configure}" = xyes &&
2249 for item in ${target_configdirs} ; do
2252 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2256 serialization_dependencies=serdep.tmp
2257 AC_SUBST_FILE(serialization_dependencies)
2259 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2260 # target, nonopt, and variable assignments. These are the ones we
2261 # might not want to pass down to subconfigures. Also strip
2262 # program-prefix, program-suffix, and program-transform-name, so that
2263 # we can pass down a consistent program-transform-name.
2267 eval "set -- $ac_configure_args"
2270 if test X"$skip_next" = X"yes"; then
2274 if test X"$keep_next" = X"yes"; then
2277 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2279 baseargs="$baseargs '$ac_arg'"
2284 # Handle separated arguments. Based on the logic generated by
2287 *=* | --config-cache | -C | -disable-* | --disable-* \
2288 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2289 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2290 | -with-* | --with-* | -without-* | --without-* | --x)
2316 -program-prefix* | \
2317 -program-suffix* | \
2318 -program-transform-name* )
2319 skip_next=$separate_arg
2323 # An option. Add it.
2326 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2328 baseargs="$baseargs '$ac_arg'"
2329 keep_next=$separate_arg
2332 # Either a variable assignment, or a nonopt (triplet). Don't
2333 # pass it down; let the Makefile handle this.
2338 # Remove the initial space we just introduced and, as these will be
2339 # expanded by make, quote '$'.
2340 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2342 # Add in --program-transform-name, after --program-prefix and
2343 # --program-suffix have been applied to it. Autoconf has already
2344 # doubled dollar signs and backslashes in program_transform_name; we want
2345 # the backslashes un-doubled, and then the entire thing wrapped in single
2346 # quotes, because this will be expanded first by make and then by the shell.
2347 # Also, because we want to override the logic in subdir configure scripts to
2348 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2349 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2350 ${program_transform_name}
2352 gcc_transform_name=`cat conftestsed.out`
2353 rm -f conftestsed.out
2354 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2355 if test "$silent" = yes; then
2356 baseargs="$baseargs --silent"
2359 # For the build-side libraries, we just need to pretend we're native,
2360 # and not use the same cache file. Multilibs are neither needed nor
2362 build_configargs="--cache-file=../config.cache ${baseargs}"
2364 # For host modules, accept cache file option, or specification as blank.
2365 case "${cache_file}" in
2367 cache_file_option="" ;;
2368 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2369 cache_file_option="--cache-file=${cache_file}" ;;
2371 cache_file_option="--cache-file=../${cache_file}" ;;
2374 # Host dirs don't like to share a cache file either, horribly enough.
2375 # This seems to be due to autoconf 2.5x stupidity.
2376 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2378 target_configargs=${baseargs}
2380 # Passing a --with-cross-host argument lets the target libraries know
2381 # whether they are being built with a cross-compiler or being built
2382 # native. However, it would be better to use other mechanisms to make the
2383 # sorts of decisions they want to make on this basis. Please consider
2384 # this option to be deprecated. FIXME.
2385 if test x${is_cross_compiler} = xyes ; then
2386 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2389 # Default to --enable-multilib.
2390 if test x${enable_multilib} = x ; then
2391 target_configargs="--enable-multilib ${target_configargs}"
2394 # Pass --with-newlib if appropriate. Note that target_configdirs has
2395 # changed from the earlier setting of with_newlib.
2396 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2397 target_configargs="--with-newlib ${target_configargs}"
2400 # Different target subdirs use different values of certain variables
2401 # (notably CXX). Worse, multilibs use *lots* of different values.
2402 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2403 # it doesn't automatically accept command-line overrides of them.
2404 # This means it's not safe for target subdirs to share a cache file,
2405 # which is disgusting, but there you have it. Hopefully this can be
2406 # fixed in future. It's still worthwhile to use a cache file for each
2407 # directory. I think.
2409 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2410 # We need to pass --target, as newer autoconf's requires consistency
2411 # for target_alias and gcc doesn't manage it consistently.
2412 target_configargs="--cache-file=./config.cache ${target_configargs}"
2415 case " $target_configdirs " in
2417 case " $target_configargs " in
2418 *" --with-newlib "*)
2421 FLAGS_FOR_TARGET=$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' ;;
2424 # If we're not building GCC, don't discard standard headers.
2425 if test -d ${srcdir}/gcc; then
2426 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2428 if test "${build}" != "${host}"; then
2429 # On Canadian crosses, CC_FOR_TARGET will have already been set
2430 # by `configure', so we won't have an opportunity to add -Bgcc/
2431 # to it. This is right: we don't want to search that directory
2432 # for binaries, but we want the header files in there, so add
2434 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2436 # Someone might think of using the pre-installed headers on
2437 # Canadian crosses, in case the installed compiler is not fully
2438 # compatible with the compiler being built. In this case, it
2439 # would be better to flag an error than risking having
2440 # incompatible object files being constructed. We can't
2441 # guarantee that an error will be flagged, but let's hope the
2442 # compiler will do it, when presented with incompatible header
2447 case "${target}-${is_cross_compiler}" in
2448 i[[3456789]]86-*-linux*-no)
2449 # Here host == target, so we don't need to build gcc,
2450 # so we don't want to discard standard headers.
2451 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2454 # If we're building newlib, use its generic headers last, but search
2455 # for any libc-related directories first (so make it the last -B
2457 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2459 # If we're building libgloss, find the startup file, simulator library
2460 # and linker script.
2461 case " $target_configdirs " in
2463 # Look for startup file, simulator library and maybe linker script.
2464 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2465 # Look for libnosys.a in case the target needs it.
2466 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2467 # Most targets have the linker script in the source directory.
2468 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2479 # Can't be handled as Cygwin above since Mingw does not use newlib.
2480 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
2483 # Allow the user to override the flags for
2484 # our build compiler if desired.
2485 if test x"${build}" = x"${host}" ; then
2486 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2487 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2488 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2491 # On Canadian crosses, we'll be searching the right directories for
2492 # the previously-installed cross compiler, so don't bother to add
2493 # flags for directories within the install tree of the compiler
2494 # being built; programs in there won't even run.
2495 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2496 # Search for pre-installed headers if nothing else fits.
2497 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2500 if test "x${use_gnu_ld}" = x &&
2501 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2502 # Arrange for us to find uninstalled linker scripts.
2503 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2506 # Search for other target-specific linker scripts and such.
2509 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2513 # Makefile fragments.
2514 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2516 eval fragval=\$$frag
2517 if test $fragval != /dev/null; then
2518 eval $frag=${srcdir}/$fragval
2521 AC_SUBST_FILE(host_makefile_frag)
2522 AC_SUBST_FILE(target_makefile_frag)
2523 AC_SUBST_FILE(alphaieee_frag)
2524 AC_SUBST_FILE(ospace_frag)
2526 # Miscellanea: directories, flags, etc.
2527 AC_SUBST(RPATH_ENVVAR)
2528 AC_SUBST(GCC_SHLIB_SUBDIR)
2530 AC_SUBST(build_tooldir)
2531 AC_SUBST(CONFIGURE_GDB_TK)
2533 AC_SUBST(INSTALL_GDB_TK)
2535 # Build module lists & subconfigure args.
2536 AC_SUBST(build_configargs)
2537 AC_SUBST(build_configdirs)
2539 # Host module lists & subconfigure args.
2540 AC_SUBST(host_configargs)
2541 AC_SUBST(configdirs)
2543 # Target module lists & subconfigure args.
2544 AC_SUBST(target_configargs)
2548 AC_SUBST(AR_FOR_BUILD)
2549 AC_SUBST(AS_FOR_BUILD)
2550 AC_SUBST(CC_FOR_BUILD)
2551 AC_SUBST(CFLAGS_FOR_BUILD)
2552 AC_SUBST(CXXFLAGS_FOR_BUILD)
2553 AC_SUBST(CXX_FOR_BUILD)
2554 AC_SUBST(DLLTOOL_FOR_BUILD)
2555 AC_SUBST(GCJ_FOR_BUILD)
2556 AC_SUBST(GFORTRAN_FOR_BUILD)
2557 AC_SUBST(LDFLAGS_FOR_BUILD)
2558 AC_SUBST(LD_FOR_BUILD)
2559 AC_SUBST(NM_FOR_BUILD)
2560 AC_SUBST(RANLIB_FOR_BUILD)
2561 AC_SUBST(WINDMC_FOR_BUILD)
2562 AC_SUBST(WINDRES_FOR_BUILD)
2563 AC_SUBST(config_shell)
2565 # Generate default definitions for YACC, M4, LEX and other programs that run
2566 # on the build machine. These are used if the Makefile can't locate these
2567 # programs in objdir.
2568 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2570 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2571 case " $build_configdirs " in
2572 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2573 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2576 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2577 case " $build_configdirs " in
2578 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2581 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2582 case " $build_configdirs " in
2583 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2586 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2587 case " $build_configdirs " in
2588 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2589 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2592 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2593 case " $build_configdirs " in
2594 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2597 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2598 case " $build_configdirs " in
2599 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2602 # For an installed makeinfo, we require it to be from texinfo 4.6 or
2603 # higher, else we use the "missing" dummy.
2604 if ${MAKEINFO} --version \
2605 | egrep 'texinfo[^0-9]*(4\.([6-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2608 MAKEINFO="$MISSING makeinfo"
2614 # FIXME: expect and dejagnu may become build tools?
2616 AC_CHECK_PROGS(EXPECT, expect, expect)
2617 case " $configdirs " in
2619 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2623 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2624 case " $configdirs " in
2626 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2632 NCN_STRICT_CHECK_TOOLS(AR, ar)
2633 NCN_STRICT_CHECK_TOOLS(AS, as)
2634 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2635 NCN_STRICT_CHECK_TOOLS(LD, ld)
2636 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2637 NCN_STRICT_CHECK_TOOLS(NM, nm)
2638 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2639 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2640 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2641 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
2642 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2643 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2650 AC_ARG_WITH([build-time-tools],
2651 [ --with-build-time-tools=PATH
2652 use given path to find target tools during the build],
2653 [case x"$withval" in
2656 with_build_time_tools=
2657 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2660 [with_build_time_tools=])
2662 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2663 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2664 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2665 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2666 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2668 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2669 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2670 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2671 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2672 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2673 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2674 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2675 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2676 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2677 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2678 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
2680 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2682 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2683 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2684 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2685 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2686 [gcc/g++ -B$$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],
2688 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2689 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2691 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2692 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2693 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2694 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2695 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2696 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2697 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2698 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2699 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2700 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2701 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2702 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2703 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2704 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
2706 AC_SUBST(FLAGS_FOR_TARGET)
2707 AC_SUBST(RAW_CXX_FOR_TARGET)
2709 # Certain tools may need extra flags.
2710 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2711 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2712 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2714 # When building target libraries, except in a Canadian cross, we use
2715 # the same toolchain as the compiler we just built.
2716 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2717 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2718 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2719 if test $host = $build; then
2720 case " $configdirs " in
2722 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2723 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2724 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2729 AC_SUBST(COMPILER_AS_FOR_TARGET)
2730 AC_SUBST(COMPILER_LD_FOR_TARGET)
2731 AC_SUBST(COMPILER_NM_FOR_TARGET)
2733 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2734 AC_ARG_ENABLE(maintainer-mode,
2735 [ --enable-maintainer-mode enable make rules and dependencies not useful
2736 (and sometimes confusing) to the casual installer],
2737 USE_MAINTAINER_MODE=$enableval,
2738 USE_MAINTAINER_MODE=no)
2739 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2740 AC_SUBST(MAINTAINER_MODE_TRUE)
2741 AC_SUBST(MAINTAINER_MODE_FALSE)
2742 if test "$USE_MAINTAINER_MODE" = yes; then
2743 MAINTAINER_MODE_TRUE=
2744 MAINTAINER_MODE_FALSE='#'
2746 MAINTAINER_MODE_TRUE='#'
2747 MAINTAINER_MODE_FALSE=
2749 MAINT=$MAINTAINER_MODE_TRUE
2752 # ---------------------
2753 # GCC bootstrap support
2754 # ---------------------
2756 # Stage specific cflags for build.
2761 yes) stage1_cflags="-g -Wa,-J" ;;
2762 *) stage1_cflags="-g -J" ;;
2766 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
2767 if test "$GCC" = yes; then
2768 saved_CFLAGS="$CFLAGS"
2770 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
2771 CFLAGS="$CFLAGS -fkeep-inline-functions"
2772 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2774 #if (__GNUC__ < 3) \
2775 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
2776 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
2777 #error http://gcc.gnu.org/PR29382
2780 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
2781 [AC_MSG_RESULT([no])])
2783 CFLAGS="$saved_CFLAGS"
2786 AC_SUBST(stage1_cflags)
2788 # Enable --enable-checking in stage1 of the compiler.
2789 AC_ARG_ENABLE(stage1-checking,
2790 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
2792 [stage1_checking=--enable-checking=${enable_stage1_checking}],
2793 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2794 stage1_checking=--enable-checking=yes,types
2796 stage1_checking=--enable-checking=$enable_checking,types
2798 AC_SUBST(stage1_checking)
2800 # Enable -Werror in bootstrap stage2 and later.
2801 AC_ARG_ENABLE(werror,
2802 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2803 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
2808 case ${enable_werror} in
2809 yes) stage2_werror_flag="--enable-werror-always" ;;
2810 *) stage2_werror_flag="" ;;
2812 AC_SUBST(stage2_werror_flag)
2814 # Flags needed to enable html installing and building
2815 AC_ARG_WITH(datarootdir,
2816 [ --with-datarootdir use datarootdir as the data root directory.],
2817 [datarootdir="\${prefix}/${withval}"],
2818 [datarootdir="\${prefix}/share"])
2821 [ --with-docdir install documentation in this directory.],
2822 [docdir="\${prefix}/${withval}"],
2823 [docdir="\${datarootdir}/doc"])
2826 [ --with-pdfdir install pdf in this directory.],
2827 [pdfdir="\${prefix}/${withval}"],
2828 [pdfdir="\${docdir}"])
2830 AC_ARG_WITH(htmldir,
2831 [ --with-htmldir install html in this directory.],
2832 [htmldir="\${prefix}/${withval}"],
2833 [htmldir="\${docdir}"])
2835 AC_SUBST(datarootdir)