1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
3 # Free Software Foundation, Inc.
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 3 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; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
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)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 ### we might need to use some other shell than /bin/sh for running subshells
93 ### If we are on Windows, search for the shell. This will permit people
94 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
95 ### without also having to set CONFIG_SHELL. This code will work when
96 ### using bash, which sets OSTYPE.
99 if test x${CONFIG_SHELL} = x ; then
100 if test ! -f /bin/sh ; then
101 if test x${SHELL} != x && test -f ${SHELL} ; then
102 CONFIG_SHELL=${SHELL}
105 for prog in sh sh.exe bash bash.exe; do
106 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
108 test -z "$dir" && dir=.
109 if test -f $dir/$prog; then
110 CONFIG_SHELL=$dir/$prog
116 test -n "${CONFIG_SHELL}" && break
124 config_shell=${CONFIG_SHELL-/bin/sh}
126 moveifchange=${srcdir}/move-if-change
128 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
130 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
132 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
133 INSTALL="${srcpwd}/install-sh -c"
136 # Set srcdir to "." if that's what it is.
137 # This is important for multilib support.
139 if test "${pwd}" = "${srcpwd}" ; then
147 ### To add a new directory to the tree, first choose whether it is a target
148 ### or a host dependent tool. Then put it into the appropriate list
149 ### (library or tools, host or target), doing a dependency sort.
151 # Subdirs will be configured in the order listed in build_configdirs,
152 # configdirs, or target_configdirs; see the serialization section below.
154 # Dependency sorting is only needed when *configuration* must be done in
155 # a particular order. In all cases a dependency should be specified in
156 # the Makefile, whether or not it's implicitly specified here.
158 # Double entries in build_configdirs, configdirs, or target_configdirs may
159 # cause circular dependencies and break everything horribly.
161 # these library is used by various programs built for the build
164 build_libs="build-libiberty"
166 # these tools are built for the build environment
167 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
169 # these libraries are used by various programs built for the host environment
171 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
173 # these tools are built for the host environment
174 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
175 # know that we are building the simulator.
176 # binutils, gas and ld appear in that order because it makes sense to run
177 # "make check" in that particular order.
178 # If --enable-gold is used, "gold" may replace "ld".
179 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen 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"
181 # libgcj represents the runtime libraries only used by gcj.
182 libgcj="target-libffi \
187 # these libraries are built for the target environment, and are built after
188 # the host libraries and the host tools (which may be a cross compiler)
190 target_libraries="target-libgcc \
195 target-libstdc++-v3 \
206 # these tools are built using the target libraries, and are intended to
207 # run only in the target environment
209 # note: any program that *uses* libraries that are in the "target_libraries"
210 # list belongs in this list. those programs are also very likely
211 # candidates for the "native_only" list which follows
213 target_tools="target-examples target-groff target-gperf target-rda"
215 ################################################################################
217 ## All tools belong in one of the four categories, and are assigned above
218 ## We assign ${configdirs} this way to remove all embedded newlines. This
219 ## is important because configure will choke if they ever get through.
220 ## ${configdirs} is directories we build using the host tools.
221 ## ${target_configdirs} is directories we build using the target tools.
222 configdirs=`echo ${host_libs} ${host_tools}`
223 target_configdirs=`echo ${target_libraries} ${target_tools}`
224 build_configdirs=`echo ${build_libs} ${build_tools}`
226 m4_divert_text([PARSE_ARGS],
229 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
230 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
231 m4_popdef([AS_MESSAGE_LOG_FD])dnl
234 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
237 ################################################################################
239 srcname="gnu development package"
241 # This gets set non-empty for some net releases of packages.
244 # Define is_cross_compiler to save on calls to 'test'.
246 if test x"${host}" = x"${target}" ; then
249 is_cross_compiler=yes
252 # Find the build and target subdir names.
254 # Be sure to cover against remnants of an in-tree build.
255 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
256 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
257 Use a pristine source tree when building in a separate tree])
260 # Skipdirs are removed silently.
262 # Noconfigdirs are removed loudly.
266 # Make sure we don't let GNU ld be added if we didn't want it.
267 if test x$with_gnu_ld = xno ; then
269 noconfigdirs="$noconfigdirs ld gold"
273 # Make sure we don't let GNU as be added if we didn't want it.
274 if test x$with_gnu_as = xno ; then
276 noconfigdirs="$noconfigdirs gas"
280 # Make sure we don't let ZLIB be added if we didn't want it.
281 if test x$with_system_zlib = xyes ; then
283 noconfigdirs="$noconfigdirs zlib"
286 # some tools are so dependent upon X11 that if we're not building with X,
287 # it's not even worth trying to configure, much less build, that tool.
290 yes | "") ;; # the default value for this tree is that X11 is available
292 skipdirs="${skipdirs} tk itcl libgui"
293 # We won't be able to build gdbtk without X.
296 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
299 # Some tools are only suitable for building in a "native" situation.
300 # Remove these if host!=target.
301 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"
303 # Similarly, some are only suitable for cross toolchains.
304 # Remove these if host=target.
305 cross_only="target-libgloss target-newlib target-opcodes"
307 case $is_cross_compiler in
308 no) skipdirs="${skipdirs} ${cross_only}" ;;
309 yes) skipdirs="${skipdirs} ${native_only}" ;;
312 # If both --with-headers and --with-libs are specified, default to
314 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
315 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
316 if test x"${with_newlib}" = x ; then
321 # Recognize --with-newlib/--without-newlib.
322 case ${with_newlib} in
323 no) skipdirs="${skipdirs} target-newlib" ;;
324 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
327 # Handle --enable-gold.
328 # --enable-gold Build only gold
329 # --disable-gold [default] Build only ld
330 # --enable-gold=both Build both gold and ld, ld is default
331 # --enable-gold=both/ld Same
332 # --enable-gold=both/gold Build both gold and ld, gold is default, ld is renamed ld.bfd
335 [[ --enable-gold[=ARG] build gold [ARG={both}[/{gold,ld}]]]],
336 ENABLE_GOLD=$enableval,
338 case "${ENABLE_GOLD}" in
339 yes|both|both/gold|both/ld)
340 # Check for ELF target.
343 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
344 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
345 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
347 *-*-linux*aout* | *-*-linux*oldld*)
355 if test "$is_elf" = "yes"; then
356 # Check for target supported by gold.
358 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
359 case "${ENABLE_GOLD}" in
361 configdirs="$configdirs gold"
364 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / gold /'`
375 AC_MSG_ERROR([invalid --enable-gold argument])
379 # Configure extra directories which are host specific
383 configdirs="$configdirs libtermcap" ;;
386 # A target can indicate whether a language isn't supported for some reason.
387 # Only spaces may be used in this macro; not newlines or tabs.
388 unsupported_languages=
390 # Remove more programs from consideration, based on the host or
391 # target this usually means that a port of the program doesn't
396 noconfigdirs="$noconfigdirs byacc"
398 i[[3456789]]86-*-vsta)
399 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
401 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
402 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
405 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
407 i[[3456789]]86-*-mingw32*)
408 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
409 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
411 i[[3456789]]86-*-beos*)
412 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
415 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
418 noconfigdirs="$noconfigdirs rcs"
421 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
424 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
429 AC_ARG_ENABLE(libada,
430 [ --enable-libada build libada directory],
431 ENABLE_LIBADA=$enableval,
433 if test "${ENABLE_LIBADA}" != "yes" ; then
434 noconfigdirs="$noconfigdirs gnattools"
437 AC_ARG_ENABLE(libssp,
438 [ --enable-libssp build libssp directory],
439 ENABLE_LIBSSP=$enableval,
442 # Save it here so that, even in case of --enable-libgcj, if the Java
443 # front-end isn't enabled, we still get libgcj disabled.
445 case $enable_libgcj in
447 # If we reset it here, it won't get added to noconfigdirs in the
448 # target-specific build rules, so it will be forcibly enabled
449 # (unless the Java language itself isn't enabled).
453 # Make sure we get it printed in the list of not supported target libs.
454 # Don't disable libffi, though, other languages use it.
455 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
460 # Disable libmudflap on some systems.
461 if test x$enable_libmudflap = x ; then
463 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
464 # Enable libmudflap by default in GNU and friends.
467 # Enable libmudflap by default in FreeBSD.
470 # Disable it by default everywhere else.
471 noconfigdirs="$noconfigdirs target-libmudflap"
476 # Disable libgomp on non POSIX hosted systems.
477 if test x$enable_libgomp = x ; then
478 # Enable libgomp by default on hosted POSIX systems.
480 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
482 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
484 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
486 *-*-darwin* | *-*-aix*)
489 noconfigdirs="$noconfigdirs target-libgomp"
494 # Default libgloss CPU subdirectory.
495 libgloss_dir="$target_cpu"
499 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
502 noconfigdirs="$noconfigdirs ld gas gdb gprof"
503 noconfigdirs="$noconfigdirs sim target-rda"
505 i[[3456789]]86-*-darwin*)
506 noconfigdirs="$noconfigdirs ld gprof"
507 noconfigdirs="$noconfigdirs sim target-rda"
509 x86_64-*-darwin[[912]]*)
510 noconfigdirs="$noconfigdirs ld gas gprof"
511 noconfigdirs="$noconfigdirs sim target-rda"
514 noconfigdirs="$noconfigdirs ld gas gdb gprof"
515 noconfigdirs="$noconfigdirs sim target-rda"
516 noconfigdirs="$noconfigdirs ${libgcj}"
518 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
519 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
522 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
523 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
524 && test -f /usr/local/include/gmp.h; then
528 # Skip some stuff that's unsupported on some FreeBSD configurations.
534 noconfigdirs="$noconfigdirs ${libgcj}"
539 # Remove unsupported stuff on all kaOS configurations.
540 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
541 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
542 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
543 noconfigdirs="$noconfigdirs target-libgloss"
546 # Skip some stuff on all NetBSD configurations.
547 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
549 # Skip some stuff that's unsupported on some NetBSD configurations.
551 i*86-*-netbsdelf*) ;;
552 arm*-*-netbsdelf*) ;;
554 noconfigdirs="$noconfigdirs ${libgcj}"
559 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
562 skipdirs="${skipdirs} target-libiberty"
563 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
565 # The tpf target doesn't support gdb yet.
567 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
570 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
573 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
576 # ld works, but does not support shared libraries.
577 # newlib is not 64 bit ready. I'm not sure about fileutils.
578 # gas doesn't generate exception information.
579 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
582 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
585 # newlib is not 64 bit ready
586 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
589 # newlib is not 64 bit ready
590 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
593 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
596 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
598 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
599 noconfigdirs="$noconfigdirs ${libgcj}"
600 noconfigdirs="$noconfigdirs target-examples"
601 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
602 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
603 noconfigdirs="$noconfigdirs expect dejagnu"
604 # the C++ libraries don't build on top of CE's C libraries
605 noconfigdirs="$noconfigdirs target-libstdc++-v3"
606 noconfigdirs="$noconfigdirs target-newlib"
608 *-*-cygwin*) ;; # keep gdb and readline
609 *) noconfigdirs="$noconfigdirs gdb readline"
615 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
619 arm-*-coff | strongarm-*-coff | xscale-*-coff)
620 noconfigdirs="$noconfigdirs ${libgcj}"
623 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
624 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
627 arm*-*-linux-gnueabi)
628 noconfigdirs="$noconfigdirs target-qthreads"
629 case ${with_newlib} in
630 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
635 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
639 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
642 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
645 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
648 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
651 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
654 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
657 unsupported_languages="$unsupported_languages java"
658 noconfigdirs="$noconfigdirs target-boehm-gc gdb"
659 if test x${is_cross_compiler} != xno ; then
660 target_configdirs="${target_configdirs} target-bsp target-cygmon"
664 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
666 c54x*-*-* | tic54x-*-*)
667 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
670 noconfigdirs="$noconfigdirs ${libgcj} gdb"
672 cris-*-* | crisv32-*-*)
673 unsupported_languages="$unsupported_languages java"
676 unsupported_languages="$unsupported_languages fortran"
677 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
679 noconfigdirs="$noconfigdirs target-boehm-gc";;
681 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
683 unsupported_languages="$unsupported_languages fortran"
684 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
689 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
692 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
695 noconfigdirs="$noconfigdirs ${libgcj} gdb"
697 ep9312-*-elf | ep9312-*-coff)
701 noconfigdirs="$noconfigdirs ${libgcj} gdb"
704 noconfigdirs="$noconfigdirs ${libgcj}"
707 noconfigdirs="$noconfigdirs ${libgcj}"
708 noconfigdirs="$noconfigdirs gprof"
711 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
714 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
716 hppa1.1-*-osf* | hppa1.1-*-bsd* )
718 hppa*64*-*-linux* | parisc*64*-*-linux*)
719 # In this case, it's because the hppa64-linux target is for
720 # the kernel only at this point and has no libc, and thus no
721 # headers, crt*.o, etc., all of which are needed by these.
722 noconfigdirs="$noconfigdirs target-zlib"
724 parisc*-*-linux* | hppa*-*-linux*)
730 noconfigdirs="$noconfigdirs ${libgcj}"
733 noconfigdirs="$noconfigdirs ld shellutils"
739 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
740 # build on HP-UX 10.20.
741 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
744 noconfigdirs="$noconfigdirs ${libgcj} gdb"
747 # No gdb support yet.
748 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
751 # No gdb or ld support yet.
752 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
755 # No gdb or ld support yet.
756 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
760 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
761 noconfigdirs="$noconfigdirs ${libgcj}"
764 i[[3456789]]86-*-linux*)
765 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
766 # not build java stuff by default.
769 noconfigdirs="$noconfigdirs ${libgcj}";;
772 # This section makes it possible to build newlib natively on linux.
773 # If we are using a cross compiler then don't configure newlib.
774 if test x${is_cross_compiler} != xno ; then
775 noconfigdirs="$noconfigdirs target-newlib"
777 noconfigdirs="$noconfigdirs target-libgloss"
778 # If we are not using a cross compiler, do configure newlib.
779 # Note however, that newlib will only be configured in this situation
780 # if the --with-newlib option has been given, because otherwise
781 # 'target-newlib' will appear in skipdirs.
783 i[[3456789]]86-w64-mingw*)
784 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
786 i[[3456789]]86-*-mingw*)
787 target_configdirs="$target_configdirs target-winsup"
788 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
791 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
794 target_configdirs="$target_configdirs target-libtermcap target-winsup"
795 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
796 # always build newlib if winsup directory is present.
797 if test -d "$srcdir/winsup/cygwin"; then
798 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
799 elif test -d "$srcdir/newlib"; then
800 echo "Warning: winsup/cygwin is missing so newlib can't be built."
803 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
804 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
807 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
809 i[[3456789]]86-*-sco3.2v5*)
810 # The linker does not yet know about weak symbols in COFF,
811 # and is not configured to handle mixed ELF and COFF.
812 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
814 i[[3456789]]86-*-sco*)
815 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
817 i[[3456789]]86-*-solaris2*)
818 noconfigdirs="$noconfigdirs target-libgloss"
820 i[[3456789]]86-*-sysv4*)
821 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
823 i[[3456789]]86-*-beos*)
824 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
826 i[[3456789]]86-*-rdos*)
827 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
830 noconfigdirs="$noconfigdirs ${libgcj}"
832 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
833 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
837 noconfigdirs="$noconfigdirs ${libgcj}"
840 noconfigdirs="$noconfigdirs ${libgcj}"
846 # The EPOC C++ environment does not support exceptions or rtti,
847 # and so building libstdc++-v3 tends not to always work.
848 noconfigdirs="$noconfigdirs target-libstdc++-v3"
851 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
852 unsupported_languages="$unsupported_languages fortran java"
855 noconfigdirs="$noconfigdirs ${libgcj}"
858 noconfigdirs="$noconfigdirs ${libgcj}"
861 noconfigdirs="$noconfigdirs sim"
864 # copied from rs6000-*-* entry
865 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
867 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
868 target_configdirs="$target_configdirs target-winsup"
869 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
870 # always build newlib.
871 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
873 # This is temporary until we can link against shared libraries
874 powerpcle-*-solaris*)
875 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
879 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
882 noconfigdirs="$noconfigdirs ${libgcj}"
885 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
889 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
892 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
895 noconfigdirs="$noconfigdirs gprof ${libgcj}"
898 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
901 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
904 skipdirs="$skipdirs target-libiberty"
905 noconfigdirs="$noconfigdirs ${libgcj}"
906 if test x$with_newlib = xyes; then
907 noconfigdirs="$noconfigdirs gprof"
912 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
915 # Linking libjava exceeds command-line length limits on at least
916 # IRIX 6.2, but not on IRIX 6.5.
917 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
918 # <oldham@codesourcery.com>
919 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
922 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
925 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
928 noconfigdirs="$noconfigdirs gprof ${libgcj}"
932 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
936 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
937 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
938 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
939 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
943 noconfigdirs="$noconfigdirs ${libgcj}" ;;
945 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
948 sparclet-*-aout* | sparc86x-*-*)
952 noconfigdirs="$noconfigdirs ${libgcj}"
955 noconfigdirs="$noconfigdirs ${libgcj}"
959 noconfigdirs="$noconfigdirs ${libgcj}"
963 noconfigdirs="$noconfigdirs ${libgcj}"
964 if test x${is_cross_compiler} != xno ; then
965 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
970 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
971 noconfigdirs="$noconfigdirs ${libgcj}"
973 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
976 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
979 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
982 noconfigdirs="$noconfigdirs ${libgcj}"
985 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
988 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
991 noconfigdirs="$noconfigdirs ${libgcj}"
994 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
996 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
997 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1000 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1003 noconfigdirs="$noconfigdirs ${libgcj}"
1007 # If we aren't building newlib, then don't build libgloss, since libgloss
1008 # depends upon some newlib header files.
1009 case "${noconfigdirs}" in
1010 *target-libgloss*) ;;
1011 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1014 # Work in distributions that contain no compiler tools, like Autoconf.
1016 host_makefile_frag=/dev/null
1017 if test -d ${srcdir}/config ; then
1020 # Avoid "too much defining" errors from HPUX compiler.
1021 tentative_cc="cc -Wp,-H256000"
1022 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1023 # If it's HP/UX ar, this should be harmless.
1027 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1030 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1031 # chokes on bfd, the compiler won't let you assign integers to enums, and
1032 # other problems. Defining CC to gcc is a questionable way to say "don't use
1033 # the apollo compiler" (the preferred version of GCC could be called cc,
1034 # or whatever), but I'm not sure leaving CC as cc is any better...
1035 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1036 # Used to have BISON=yacc.
1040 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1043 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1044 tentative_cc="cc -Xa"
1045 host_makefile_frag="config/mh-cxux"
1047 m88k-motorola-sysv*)
1050 tentative_cc="cc -Wf,-XNg1000"
1051 host_makefile_frag="config/mh-decstation"
1054 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1055 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1056 host_makefile_frag="config/mh-necv4"
1059 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1060 # environment. Also bump switch table size so that cp-parse will
1061 # compile. Bump string length limit so linker builds.
1062 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1065 host_makefile_frag="config/mh-sysv4"
1068 # This is for a MIPS running RISC/os 4.52C.
1070 # This is needed for GDB, but needs to be in the top-level make because
1071 # if a library is compiled with the bsd headers and gets linked with the
1072 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1073 # a different size).
1074 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1075 # known except to select the sysv environment. Could we use /proc instead?
1076 # These "sysv environments" and "bsd environments" often end up being a pain.
1078 # This is not part of CFLAGS because perhaps not all C compilers have this
1080 tentative_cc="cc -systype sysv"
1085 i[[3456789]]86-*-sysv5*)
1086 host_makefile_frag="config/mh-sysv5"
1088 i[[3456789]]86-*-dgux*)
1089 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1090 host_makefile_frag="config/mh-dgux386"
1092 i[[3456789]]86-ncr-sysv4.3*)
1093 # The MetaWare compiler will generate a copyright message unless you
1094 # turn it off by adding the -Hnocopyr flag.
1095 tentative_cc="cc -Hnocopyr"
1097 i[[3456789]]86-ncr-sysv4*)
1098 # for an NCR 3000 (i486/SVR4) system.
1099 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1100 # This compiler not only emits obnoxious copyright messages every time
1101 # you run it, but it chokes and dies on a whole bunch of GNU source
1102 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1103 tentative_cc="/usr/ccs/ATT/cc"
1104 host_makefile_frag="config/mh-ncr3000"
1106 i[[3456789]]86-*-sco3.2v5*)
1108 i[[3456789]]86-*-sco*)
1109 # The native C compiler botches some simple uses of const. Unfortunately,
1110 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1111 tentative_cc="cc -Dconst="
1112 host_makefile_frag="config/mh-sco"
1114 i[[3456789]]86-*-udk*)
1115 host_makefile_frag="config/mh-sysv5"
1117 i[[3456789]]86-*-solaris2*)
1118 host_makefile_frag="config/mh-sysv4"
1120 i[[3456789]]86-*-msdosdjgpp*)
1121 host_makefile_frag="config/mh-djgpp"
1124 ACX_CHECK_CYGWIN_CAT_WORKS
1125 host_makefile_frag="config/mh-cygwin"
1128 host_makefile_frag="config/mh-mingw"
1131 host_makefile_frag="config/mh-interix"
1134 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1138 host_makefile_frag="config/mh-solaris"
1141 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1142 # without overflowing the jump tables (-J says to use a 32 bit table)
1143 tentative_cc="cc -J"
1146 tentative_cc="cc -Wp,-H256000"
1147 host_makefile_frag="config/mh-pa-hpux10"
1149 hppa*-hp-hpux* | hppa*-*-hiux*)
1150 tentative_cc="cc -Wp,-H256000"
1151 host_makefile_frag="config/mh-pa"
1154 host_makefile_frag="config/mh-pa"
1156 *-hp-hpux* | *-*-hiux*)
1157 tentative_cc="cc -Wp,-H256000"
1160 # /bin/cc is less than useful for our purposes. Always use GCC
1161 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1162 host_makefile_frag="config/mh-lynxrs6k"
1165 host_makefile_frag="config/mh-darwin"
1168 host_makefile_frag="config/mh-ppc-aix"
1171 host_makefile_frag="config/mh-ppc-aix"
1174 # /bin/cc is less than useful for our purposes. Always use GCC
1175 tentative_cc="/bin/gcc"
1178 host_makefile_frag="config/mh-sysv4"
1180 # This is placed last to prevent interfering with the cases above.
1182 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1183 host_makefile_frag="config/mh-x86omitfp"
1188 # If we aren't going to be using gcc, see if we can extract a definition
1189 # of CC from the fragment.
1190 # Actually, use the 'pre-extracted' version above.
1191 if test -z "${CC}" && test "${build}" = "${host}" ; then
1192 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1194 for dir in $PATH; do
1195 test -z "$dir" && dir=.
1196 if test -f $dir/gcc; then
1202 if test -z "${found}" && test -n "${tentative_cc}" ; then
1207 if test "${build}" != "${host}" ; then
1208 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1209 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1210 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1211 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1212 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1213 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1214 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1215 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1216 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1217 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1218 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1219 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1220 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1222 AR_FOR_BUILD="\$(AR)"
1223 AS_FOR_BUILD="\$(AS)"
1224 CC_FOR_BUILD="\$(CC)"
1225 CXX_FOR_BUILD="\$(CXX)"
1226 GCJ_FOR_BUILD="\$(GCJ)"
1227 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1228 GOC_FOR_BUILD="\$(GOC)"
1229 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1230 LD_FOR_BUILD="\$(LD)"
1231 NM_FOR_BUILD="\$(NM)"
1232 RANLIB_FOR_BUILD="\$(RANLIB)"
1233 WINDRES_FOR_BUILD="\$(WINDRES)"
1234 WINDMC_FOR_BUILD="\$(WINDMC)"
1240 # We must set the default linker to the linker used by gcc for the correct
1241 # operation of libtool. If LD is not defined and we are using gcc, try to
1242 # set the LD default to the ld used by gcc.
1243 if test -z "$LD"; then
1244 if test "$GCC" = yes; then
1247 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1249 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1251 case $gcc_prog_ld in
1252 # Accept absolute paths.
1253 [[\\/]* | [A-Za-z]:[\\/]*)]
1254 LD="$gcc_prog_ld" ;;
1260 ACX_PROG_CMP_IGNORE_INITIAL
1262 # See if we are building gcc with C++.
1263 AC_ARG_ENABLE(build-with-cxx,
1264 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1265 ENABLE_BUILD_WITH_CXX=$enableval,
1266 ENABLE_BUILD_WITH_CXX=no)
1268 # Used for setting $lt_cv_objdir
1271 # Check for GMP, MPFR and MPC
1272 gmplibs="-lmpc -lmpfr -lgmp"
1276 # Specify a location for mpc
1277 # check for this first so it ends up on the link line before mpfr.
1278 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1279 Equivalent to --with-mpc-include=PATH/include
1280 plus --with-mpc-lib=PATH/lib])
1281 AC_ARG_WITH(mpc-include, [ --with-mpc-include=PATH
1282 specify directory for installed MPC include files])
1283 AC_ARG_WITH(mpc-lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1285 if test "x$with_mpc" != x; then
1286 gmplibs="-L$with_mpc/lib $gmplibs"
1287 gmpinc="-I$with_mpc/include $gmpinc"
1289 if test "x$with_mpc_include" != x; then
1290 gmpinc="-I$with_mpc_include $gmpinc"
1292 if test "x$with_mpc_lib" != x; then
1293 gmplibs="-L$with_mpc_lib $gmplibs"
1295 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1296 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1297 gmpinc='-I$$s/mpc/src '"$gmpinc"
1298 # Do not test the mpc version. Assume that it is sufficient, since
1299 # it is in the source tree, and the library has not been built yet
1300 # but it would be included on the link line in the version check below
1301 # hence making the test fail.
1305 # Specify a location for mpfr
1306 # check for this first so it ends up on the link line before gmp.
1307 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1308 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1309 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1311 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1312 Equivalent to --with-mpfr-include=PATH/include
1313 plus --with-mpfr-lib=PATH/lib])
1314 AC_ARG_WITH(mpfr-include, [ --with-mpfr-include=PATH
1315 specify directory for installed MPFR include files])
1316 AC_ARG_WITH(mpfr-lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1318 if test "x$with_mpfr" != x; then
1319 gmplibs="-L$with_mpfr/lib $gmplibs"
1320 gmpinc="-I$with_mpfr/include $gmpinc"
1322 if test "x$with_mpfr_include" != x; then
1323 gmpinc="-I$with_mpfr_include $gmpinc"
1325 if test "x$with_mpfr_lib" != x; then
1326 gmplibs="-L$with_mpfr_lib $gmplibs"
1328 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1329 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1330 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1331 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1332 # Do not test the mpfr version. Assume that it is sufficient, since
1333 # it is in the source tree, and the library has not been built yet
1334 # but it would be included on the link line in the version check below
1335 # hence making the test fail.
1339 # Specify a location for gmp
1340 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1341 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1342 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1344 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1345 Equivalent to --with-gmp-include=PATH/include
1346 plus --with-gmp-lib=PATH/lib])
1347 AC_ARG_WITH(gmp-include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1348 AC_ARG_WITH(gmp-lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1351 if test "x$with_gmp" != x; then
1352 gmplibs="-L$with_gmp/lib $gmplibs"
1353 gmpinc="-I$with_gmp/include $gmpinc"
1355 if test "x$with_gmp_include" != x; then
1356 gmpinc="-I$with_gmp_include $gmpinc"
1358 if test "x$with_gmp_lib" != x; then
1359 gmplibs="-L$with_gmp_lib $gmplibs"
1361 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1362 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1363 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1364 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1365 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1366 # Do not test the gmp version. Assume that it is sufficient, since
1367 # it is in the source tree, and the library has not been built yet
1368 # but it would be included on the link line in the version check below
1369 # hence making the test fail.
1373 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1375 saved_CFLAGS="$CFLAGS"
1376 CFLAGS="$CFLAGS $gmpinc"
1377 # Check for the recommended and required versions of GMP.
1378 AC_MSG_CHECKING([for the correct version of gmp.h])
1379 AC_TRY_COMPILE([#include "gmp.h"],[
1380 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1381 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1382 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1385 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1386 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1387 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1388 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1391 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1392 [AC_MSG_RESULT([no]); have_gmp=no])
1394 # If we have GMP, check the MPFR version.
1395 if test x"$have_gmp" = xyes; then
1396 # Check for the recommended and required versions of MPFR.
1397 AC_MSG_CHECKING([for the correct version of mpfr.h])
1398 AC_TRY_COMPILE([#include <gmp.h>
1399 #include <mpfr.h>],[
1400 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1403 ], [AC_TRY_COMPILE([#include <gmp.h>
1404 #include <mpfr.h>],[
1405 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1408 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1409 [AC_MSG_RESULT([no]); have_gmp=no])
1412 # Check for the MPC header version.
1413 if test x"$have_gmp" = xyes ; then
1414 # Check for the recommended and required versions of MPC.
1415 AC_MSG_CHECKING([for the correct version of mpc.h])
1416 AC_TRY_COMPILE([#include <mpc.h>],[
1417 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1420 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1421 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1424 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1425 [AC_MSG_RESULT([no]); have_gmp=no])
1428 # Now check the MPFR library.
1429 if test x"$have_gmp" = xyes; then
1431 LIBS="$LIBS $gmplibs"
1432 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1433 AC_TRY_LINK([#include <mpc.h>],[
1440 mpfr_atan2 (n, n, x, GMP_RNDN);
1441 mpfr_erfc (n, x, GMP_RNDN);
1442 mpfr_subnormalize (x, t, GMP_RNDN);
1446 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1447 mpc_cosh (c, c, MPC_RNDNN);
1448 mpc_pow (c, c, c, MPC_RNDNN);
1449 mpc_acosh (c, c, MPC_RNDNN);
1451 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1455 CFLAGS="$saved_CFLAGS"
1457 # The library versions listed in the error message below should match
1458 # the HARD-minimums enforced above.
1459 if test x$have_gmp != xyes; then
1460 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1461 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1462 their locations. Source code for these libraries can be found at
1463 their respective hosting sites as well as at
1464 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1465 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1466 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1467 make sure that you have installed both the libraries and the header
1468 files. They may be located in separate packages.])
1472 # Flags needed for both GMP, MPFR and/or MPC.
1475 AC_SUBST(extra_mpfr_configure_flags)
1476 AC_SUBST(extra_mpc_gmp_configure_flags)
1477 AC_SUBST(extra_mpc_mpfr_configure_flags)
1479 # Allow host libstdc++ to be specified for static linking with PPL.
1480 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1481 when linking with PPL])
1483 case $with_host_libstdcxx in
1485 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1489 # Linker flags to use for stage1 or when not boostrapping.
1490 AC_ARG_WITH(stage1-ldflags,
1491 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1492 [if test "$withval" = "no" -o "$withval" = "yes"; then
1495 stage1_ldflags=$withval
1498 AC_SUBST(stage1_ldflags)
1500 # Libraries to use for stage1 or when not bootstrapping.
1501 AC_ARG_WITH(stage1-libs,
1502 [ -with-stage1-libs=LIBS Libraries for stage1],
1503 [if test "$withval" = "no" -o "$withval" = "yes"; then
1506 stage1_libs=$withval
1508 [stage1_libs=$with_host_libstdcxx])
1509 AC_SUBST(stage1_libs)
1511 # Libraries to use for stage2 and later builds. This defaults to the
1512 # argument passed to --with-host-libstdcxx.
1513 AC_ARG_WITH(boot-libs,
1514 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1515 [if test "$withval" = "no" -o "$withval" = "yes"; then
1518 poststage1_libs=$withval
1520 [poststage1_libs=$with_host_libstdcxx])
1521 AC_SUBST(poststage1_libs)
1523 # Linker flags to use for stage2 and later builds.
1524 AC_ARG_WITH(boot-ldflags,
1525 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1526 [if test "$withval" = "no" -o "$withval" = "yes"; then
1529 poststage1_ldflags=$withval
1531 [poststage1_ldflags=
1532 # With --enable-build-with-cxx, default to linking libstdc++ and
1533 # libgcc statically. But if the user explicitly specified the
1534 # libraries to use, trust that they are doing what they want.
1535 if test "$ENABLE_BUILD_WITH_CXX" = "yes" -a "$poststage1_libs" = ""; then
1536 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1538 AC_SUBST(poststage1_ldflags)
1541 ppllibs=" -lppl_c -lppl -lgmpxx"
1544 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1545 Equivalent to --with-ppl-include=PATH/include
1546 plus --with-ppl-lib=PATH/lib])
1547 AC_ARG_WITH(ppl-include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1548 AC_ARG_WITH(ppl-lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1557 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1558 pplinc="-I$with_ppl/include $pplinc"
1561 if test "x$with_ppl_include" != x; then
1562 pplinc="-I$with_ppl_include $pplinc"
1564 if test "x$with_ppl_lib" != x; then
1565 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1567 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1568 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"' -lppl_c -lppl -lgmpxx '
1569 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1570 enable_ppl_version_check=no
1573 AC_ARG_ENABLE(ppl-version-check,
1574 [ --disable-ppl-version-check disable check for PPL version],
1575 ENABLE_PPL_CHECK=$enableval,
1576 ENABLE_PPL_CHECK=yes)
1578 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
1579 saved_CFLAGS="$CFLAGS"
1580 CFLAGS="$CFLAGS $pplinc $gmpinc"
1581 AC_MSG_CHECKING([for version 0.10 (or later revision) of PPL])
1582 AC_TRY_COMPILE([#include "ppl_c.h"],[
1583 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10
1586 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1587 CFLAGS="$saved_CFLAGS"
1590 # Flags needed for PPL
1597 dnl Provide configure switches and initialize clooginc & clooglibs
1598 dnl with user input.
1600 if test "x$with_ppl" = "xno"; then
1603 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1604 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1605 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1606 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1608 if test "x$with_cloog" != "xno"; then
1609 dnl Version check for CLooG-Org
1610 dnl As long as there is no new release of CLooG,
1611 dnl we will check for 0.14.0.
1613 dnl The first git revision that will work with
1614 dnl GCC is: bd91b845a65805c290d43fc1bef8139864a163fb
1615 dnl This is enforced implictly, as this is the commit that
1616 dnl introduced the versioning information used within our
1619 dnl If we're using CLooG-Legacy, the provided version information
1620 dnl will be ignored.
1621 CLOOG_CHECK_VERSION(0,14,0)
1623 dnl Only execute fail-action, if CLooG has been
1626 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1629 # Check for LTO support.
1631 [ --enable-lto enable link time optimization support],
1632 enable_lto=$enableval,
1633 enable_lto=yes; default_enable_lto=yes)
1635 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1636 build_lto_plugin=yes
1637 ],[if test x"$default_enable_lto" = x"yes" ; then
1639 *-apple-darwin* | *-cygwin* | *-mingw*) ;;
1640 # On other non-ELF platforms, LTO has yet to be validated.
1644 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1645 # It would also be nice to check the binutils support, but we don't
1646 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1647 # warn during gcc/ subconfigure; unless you're bootstrapping with
1648 # -flto it won't be needed until after installation anyway.
1650 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1651 *) if test x"$enable_lto" = x"yes"; then
1652 AC_MSG_ERROR([LTO support is not enabled for this target.])
1657 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1658 # Build it unless LTO was explicitly disabled.
1660 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1666 # By default, C is the only stage 1 language.
1667 stage1_languages=,c,
1669 # Target libraries that we bootstrap.
1670 bootstrap_target_libs=,target-libgcc,
1672 # Figure out what language subdirectories are present.
1673 # Look if the user specified --enable-languages="..."; if not, use
1674 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1676 # NB: embedded tabs in this IF block -- do not untabify
1677 if test -d ${srcdir}/gcc; then
1678 if test x"${enable_languages+set}" != xset; then
1679 if test x"${LANGUAGES+set}" = xset; then
1680 enable_languages="${LANGUAGES}"
1681 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1683 enable_languages=all
1686 if test x"${enable_languages}" = x ||
1687 test x"${enable_languages}" = xyes;
1689 echo configure.in: --enable-languages needs at least one language argument 1>&2
1693 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1695 # 'f95' is the old name for the 'fortran' language. We issue a warning
1696 # and make the substitution.
1697 case ,${enable_languages}, in
1699 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1700 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1704 # First scan to see if an enabled language requires some other language.
1705 # We assume that a given config-lang.in will list all the language
1706 # front ends it requires, even if some are required indirectly.
1707 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1708 case ${lang_frag} in
1710 # The odd quoting in the next line works around
1711 # an apparent bug in bash 1.12 on linux.
1712 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1714 # From the config-lang.in, get $language, $lang_requires, and
1715 # $lang_requires_boot_languages.
1718 lang_requires_boot_languages=
1720 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1721 case ,${enable_languages}, in
1725 echo " \`$other' language required by \`$language'; enabling" 1>&2
1726 enable_languages="${enable_languages},${other}"
1730 for other in ${lang_requires_boot_languages} ; do
1731 if test "$other" != "c"; then
1732 case ,${enable_stage1_languages}, in
1736 case ,${enable_languages}, in
1738 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1739 enable_stage1_languages="$enable_stage1_languages,${other}"
1750 new_enable_languages=,c,
1752 # If LTO is enabled, add the LTO front end.
1753 extra_host_libiberty_configure_flags=
1754 if test "$enable_lto" = "yes" ; then
1755 case ,${enable_languages}, in
1757 *) enable_languages="${enable_languages},lto" ;;
1759 if test "${build_lto_plugin}" = "yes" ; then
1760 configdirs="$configdirs lto-plugin"
1761 extra_host_libiberty_configure_flags=--enable-shared
1764 AC_SUBST(extra_host_libiberty_configure_flags)
1766 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1767 potential_languages=,c,
1769 enabled_target_libs=
1770 disabled_target_libs=
1772 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1773 case ${lang_frag} in
1775 # The odd quoting in the next line works around
1776 # an apparent bug in bash 1.12 on linux.
1777 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1779 # From the config-lang.in, get $language, $target_libs,
1780 # $lang_dirs, $boot_language, and $build_by_default
1786 build_by_default=yes
1788 if test x${language} = x; then
1789 echo "${lang_frag} doesn't set \$language." 1>&2
1793 if test "$language" = "c++" \
1794 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1798 case ,${enable_languages}, in
1800 # Language was explicitly selected; include it.
1804 # 'all' was selected, select it if it is a default language
1805 add_this_lang=${build_by_default}
1812 # Disable languages that need other directories if these aren't available.
1813 for i in $subdir_requires; do
1814 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1815 case ,${enable_languages}, in
1817 # Specifically requested language; tell them.
1818 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1822 add_this_lang=unsupported
1827 # Disable Ada if no preexisting GNAT is available.
1828 case ,${enable_languages},:${language}:${have_gnat} in
1829 *,${language},*:ada:no)
1830 # Specifically requested language; tell them.
1831 AC_MSG_ERROR([GNAT is required to build $language])
1835 add_this_lang=unsupported
1839 # Disable a language that is unsupported by the target.
1840 case " $unsupported_languages " in
1842 add_this_lang=unsupported
1846 case $add_this_lang in
1848 # Remove language-dependent dirs.
1849 disabled_target_libs="$disabled_target_libs $target_libs"
1850 noconfigdirs="$noconfigdirs $lang_dirs"
1853 # Remove language-dependent dirs; still show language as supported.
1854 disabled_target_libs="$disabled_target_libs $target_libs"
1855 noconfigdirs="$noconfigdirs $lang_dirs"
1856 potential_languages="${potential_languages}${language},"
1859 new_enable_languages="${new_enable_languages}${language},"
1860 potential_languages="${potential_languages}${language},"
1861 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1862 enabled_target_libs="$enabled_target_libs $target_libs"
1863 case "${boot_language}:,$enable_stage1_languages," in
1864 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1865 # Add to (comma-separated) list of stage 1 languages.
1866 case ",$stage1_languages," in
1867 *,$language,* | ,yes, | ,all,) ;;
1868 *) stage1_languages="${stage1_languages}${language}," ;;
1870 # We need to bootstrap any supporting libraries.
1871 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1880 # Add target libraries which are only needed for disabled languages
1882 if test -n "$disabled_target_libs"; then
1883 for dir in $disabled_target_libs; do
1884 case " $enabled_target_libs " in
1886 *) noconfigdirs="$noconfigdirs $dir" ;;
1891 AC_ARG_ENABLE(stage1-languages,
1892 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1893 stage1. Mostly useful for compiler development.],
1894 [case ,${enable_stage1_languages}, in
1896 # Set it to something that will have no effect in the loop below
1897 enable_stage1_languages=c ;;
1899 enable_stage1_languages=`echo $new_enable_languages | \
1900 sed -e "s/^,//" -e "s/,$//" ` ;;
1902 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1903 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1906 # Add "good" languages from enable_stage1_languages to stage1_languages,
1907 # while "bad" languages go in missing_languages. Leave no duplicates.
1908 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1909 case $potential_languages in
1911 case $stage1_languages in
1913 *) stage1_languages="$stage1_languages$i," ;;
1916 case $missing_languages in
1918 *) missing_languages="$missing_languages$i," ;;
1923 # Remove leading/trailing commas that were added for simplicity
1924 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1925 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1926 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1927 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1929 if test "x$missing_languages" != x; then
1931 The following requested languages could not be built: ${missing_languages}
1932 Supported languages are: ${potential_languages}])
1934 if test "x$new_enable_languages" != "x$enable_languages"; then
1935 echo The following languages will be built: ${new_enable_languages}
1936 enable_languages="$new_enable_languages"
1939 AC_SUBST(stage1_languages)
1940 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1943 # Handle --disable-<component> generically.
1944 for dir in $configdirs $build_configdirs $target_configdirs ; do
1945 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1946 varname=`echo $dirname | sed -e s/+/_/g`
1947 if eval test x\${enable_${varname}} "=" xno ; then
1948 noconfigdirs="$noconfigdirs $dir"
1952 # Check for Boehm's garbage collector
1953 AC_ARG_ENABLE(objc-gc,
1954 [ --enable-objc-gc enable use of Boehm's garbage collector with the
1955 GNU Objective-C runtime],
1956 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1957 *,objc,*:*:yes:*target-boehm-gc*)
1958 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1962 # Make sure we only build Boehm's garbage collector if required.
1963 case ,${enable_languages},:${enable_objc_gc} in
1965 # Keep target-boehm-gc if requested for Objective-C.
1968 # Otherwise remove target-boehm-gc depending on target-libjava.
1969 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1970 noconfigdirs="$noconfigdirs target-boehm-gc"
1975 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1976 # $build_configdirs and $target_configdirs.
1977 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1980 for dir in . $skipdirs $noconfigdirs ; do
1981 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1982 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1983 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1984 if test -r $srcdir/$dirname/configure ; then
1985 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1988 notsupp="$notsupp $dir"
1992 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1993 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1994 if test -r $srcdir/$dirname/configure ; then
1995 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1998 notsupp="$notsupp $dir"
2002 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2003 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2004 if test -r $srcdir/$dirname/configure ; then
2005 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2008 notsupp="$notsupp $dir"
2014 # Sometimes the tools are distributed with libiberty but with no other
2015 # libraries. In that case, we don't want to build target-libiberty.
2016 # Don't let libgcc imply libiberty either.
2017 if test -n "${target_configdirs}" ; then
2020 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2021 if test "$i" = "libgcc"; then
2022 libgcc=target-libgcc
2023 elif test "$i" != "libiberty" ; then
2024 if test -r $srcdir/$i/configure ; then
2030 if test -z "${others}" ; then
2031 target_configdirs=$libgcc
2035 # Quietly strip out all directories which aren't configurable in this tree.
2036 # This relies on all configurable subdirectories being autoconfiscated, which
2038 build_configdirs_all="$build_configdirs"
2040 for i in ${build_configdirs_all} ; do
2041 j=`echo $i | sed -e s/build-//g`
2042 if test -f ${srcdir}/$j/configure ; then
2043 build_configdirs="${build_configdirs} $i"
2047 configdirs_all="$configdirs"
2049 for i in ${configdirs_all} ; do
2050 if test -f ${srcdir}/$i/configure ; then
2051 configdirs="${configdirs} $i"
2055 target_configdirs_all="$target_configdirs"
2057 for i in ${target_configdirs_all} ; do
2058 j=`echo $i | sed -e s/target-//g`
2059 if test -f ${srcdir}/$j/configure ; then
2060 target_configdirs="${target_configdirs} $i"
2064 # Produce a warning message for the subdirs we can't configure.
2065 # This isn't especially interesting in the Cygnus tree, but in the individual
2066 # FSF releases, it's important to let people know when their machine isn't
2067 # supported by the one or two programs in a package.
2069 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2070 # If $appdirs is non-empty, at least one of those directories must still
2071 # be configured, or we error out. (E.g., if the gas release supports a
2072 # specified target in some subdirs but not the gas subdir, we shouldn't
2073 # pretend that all is well.)
2074 if test -n "$appdirs" ; then
2075 for dir in $appdirs ; do
2076 if test -r $dir/Makefile.in ; then
2077 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2081 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2087 if test -n "$appdirs" ; then
2088 echo "*** This configuration is not supported by this package." 1>&2
2092 # Okay, some application will build, or we don't care to check. Still
2093 # notify of subdirs not getting built.
2094 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2095 echo " ${notsupp}" 1>&2
2096 echo " (Any other directories should still work fine.)" 1>&2
2104 # To find our prefix, in gcc_cv_tool_prefix.
2109 AC_ARG_WITH([build-sysroot],
2110 [ --with-build-sysroot=SYSROOT
2111 use sysroot as the system root during the build],
2112 [if test x"$withval" != x ; then
2113 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2115 [SYSROOT_CFLAGS_FOR_TARGET=])
2116 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2118 AC_ARG_WITH([debug-prefix-map],
2119 [ --with-debug-prefix-map='A=B C=D ...'
2120 map A to B, C to D ... in debug information],
2121 [if test x"$withval" != x; then
2122 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2123 for debug_map in $withval; do
2124 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2127 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2128 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2130 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2131 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2132 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2133 # We want to ensure that TARGET libraries (which we know are built with
2134 # gcc) are built with "-O2 -g", so include those options when setting
2135 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2136 if test "x$CFLAGS_FOR_TARGET" = x; then
2137 CFLAGS_FOR_TARGET=$CFLAGS
2140 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2143 *" -g "* | *" -g3 "*) ;;
2144 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2147 AC_SUBST(CFLAGS_FOR_TARGET)
2149 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2150 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2151 case " $CXXFLAGS " in
2153 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2155 case " $CXXFLAGS " in
2156 *" -g "* | *" -g3 "*) ;;
2157 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2160 AC_SUBST(CXXFLAGS_FOR_TARGET)
2162 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2163 # the named directory are copied to $(tooldir)/sys-include.
2164 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2165 if test x${is_cross_compiler} = xno ; then
2166 echo 1>&2 '***' --with-headers is only supported when cross compiling
2169 if test x"${with_headers}" != xyes ; then
2170 x=${gcc_cv_tool_prefix}
2171 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2175 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2176 # the name directories are copied to $(tooldir)/lib. Multiple directories
2178 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2179 if test x${is_cross_compiler} = xno ; then
2180 echo 1>&2 '***' --with-libs is only supported when cross compiling
2183 if test x"${with_libs}" != xyes ; then
2184 # Copy the libraries in reverse order, so that files in the first named
2185 # library override files in subsequent libraries.
2186 x=${gcc_cv_tool_prefix}
2187 for l in ${with_libs}; do
2188 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2193 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2195 # This is done by determining whether or not the appropriate directory
2196 # is available, and by checking whether or not specific configurations
2197 # have requested that this magic not happen.
2199 # The command line options always override the explicit settings in
2200 # configure.in, and the settings in configure.in override this magic.
2202 # If the default for a toolchain is to use GNU as and ld, and you don't
2203 # want to do that, then you should use the --without-gnu-as and
2204 # --without-gnu-ld options for the configure script. Similarly, if
2205 # the default is to use the included zlib and you don't want to do that,
2206 # you should use the --with-system-zlib option for the configure script.
2208 if test x${use_gnu_as} = x &&
2209 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2211 extra_host_args="$extra_host_args --with-gnu-as"
2214 if test x${use_gnu_ld} = x &&
2215 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2217 extra_host_args="$extra_host_args --with-gnu-ld"
2220 if test x${use_included_zlib} = x &&
2221 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2224 with_system_zlib=yes
2225 extra_host_args="$extra_host_args --with-system-zlib"
2228 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2229 # can detect this case.
2231 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2233 extra_host_args="$extra_host_args --with-newlib"
2236 # Handle ${copy_dirs}
2237 set fnord ${copy_dirs}
2239 while test $# != 0 ; do
2240 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2243 echo Copying $1 to $2
2245 # Use the install script to create the directory and all required
2246 # parent directories.
2247 if test -d $2 ; then
2251 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2254 # Copy the directory, assuming we have tar.
2255 # FIXME: Should we use B in the second tar? Not all systems support it.
2256 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2258 # It is the responsibility of the user to correctly adjust all
2259 # symlinks. If somebody can figure out how to handle them correctly
2260 # here, feel free to add the code.
2267 # Determine a target-dependent exec_prefix that the installed
2268 # gcc will search in. Keep this list sorted by triplet, with
2269 # the *-*-osname triplets last.
2273 md_exec_prefix=/gnu/lib/gcc-lib
2275 i[[34567]]86-pc-msdosdjgpp*)
2276 md_exec_prefix=/dev/env/DJDIR/bin
2278 i[[34567]]86-*-sco3.2v5*)
2279 if test $with_gnu_as = yes; then
2280 md_exec_prefix=/usr/gnu/bin
2282 md_exec_prefix=/usr/ccs/bin/elf
2287 powerpc-*-chorusos* | \
2288 powerpc*-*-eabi* | \
2289 powerpc*-*-sysv* | \
2290 powerpc*-*-kaos* | \
2292 md_exec_prefix=/usr/ccs/bin
2297 md_exec_prefix=/usr/ccs/bin
2312 md_exec_prefix=/usr/ccs/bin
2316 extra_arflags_for_target=
2317 extra_nmflags_for_target=
2318 extra_ranlibflags_for_target=
2319 target_makefile_frag=/dev/null
2322 target_makefile_frag="config/mt-mep"
2325 target_makefile_frag="config/mt-spu"
2328 target_makefile_frag="config/mt-sde"
2330 mipsisa*-*-elfoabi*)
2331 target_makefile_frag="config/mt-mips-elfoabi"
2333 mips*-*-*linux* | mips*-*-gnu*)
2334 target_makefile_frag="config/mt-mips-gnu"
2337 target_makefile_frag="config/mt-netware"
2339 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2340 target_makefile_frag="config/mt-gnu"
2342 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2343 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2344 # commands to handle both 32-bit and 64-bit objects. These flags are
2345 # harmless if we're using GNU nm or ar.
2346 extra_arflags_for_target=" -X32_64"
2347 extra_nmflags_for_target=" -B -X32_64"
2350 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2351 extra_ranlibflags_for_target=" -c"
2353 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2354 target_makefile_frag="config/mt-wince"
2358 alphaieee_frag=/dev/null
2361 # This just makes sure to use the -mieee option to build target libs.
2362 # This should probably be set individually by each library.
2363 alphaieee_frag="config/mt-alphaieee"
2367 # If --enable-target-optspace always use -Os instead of -O2 to build
2368 # the target libraries, similarly if it is not specified, use -Os
2369 # on selected platforms.
2370 ospace_frag=/dev/null
2371 case "${enable_target_optspace}:${target}" in
2373 ospace_frag="config/mt-ospace"
2376 ospace_frag="config/mt-d30v"
2378 :m32r-* | :d10v-* | :fr30-*)
2379 ospace_frag="config/mt-ospace"
2384 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2388 # Default to using --with-stabs for certain targets.
2389 if test x${with_stabs} = x ; then
2391 mips*-*-irix[[56]]*)
2393 mips*-*-* | alpha*-*-osf*)
2395 extra_host_args="${extra_host_args} --with-stabs"
2400 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2401 # them automatically.
2404 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2408 # Some systems (e.g., one of the i386-aix systems the gas testers are
2409 # using) don't handle "\$" correctly, so don't use it here.
2410 tooldir='${exec_prefix}'/${target_noncanonical}
2411 build_tooldir=${tooldir}
2413 # Create a .gdbinit file which runs the one in srcdir
2414 # and tells GDB to look there for source files.
2416 if test -r ${srcdir}/.gdbinit ; then
2419 *) cat > ./.gdbinit <<EOF
2423 source ${srcdir}/.gdbinit
2429 # Make sure that the compiler is able to generate an executable. If it
2430 # can't, we are probably in trouble. We don't care whether we can run the
2431 # executable--we might be using a cross compiler--we only care whether it
2432 # can be created. At this point the main configure script has set CC.
2434 echo "int main () { return 0; }" > conftest.c
2435 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2436 if test $? = 0 ; then
2437 if test -s conftest || test -s conftest.exe ; then
2443 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2444 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2451 # The Solaris /usr/ucb/cc compiler does not appear to work.
2453 sparc-sun-solaris2*)
2454 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2455 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2457 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2458 if test -d /opt/cygnus/bin ; then
2459 if test "$could_use" = "" ; then
2460 could_use="/opt/cygnus/bin"
2462 could_use="$could_use or /opt/cygnus/bin"
2465 if test "$could_use" = "" ; then
2466 echo "Warning: compilation may fail because you're using"
2467 echo "/usr/ucb/cc. You should change your PATH or CC "
2468 echo "variable and rerun configure."
2470 echo "Warning: compilation may fail because you're using"
2471 echo "/usr/ucb/cc, when you should use the C compiler from"
2472 echo "$could_use. You should change your"
2473 echo "PATH or CC variable and rerun configure."
2479 # Decide which environment variable is used to find dynamic libraries.
2481 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2482 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2483 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2484 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2487 # On systems where the dynamic library environment variable is PATH,
2488 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2489 # built executables to PATH.
2490 if test "$RPATH_ENVVAR" = PATH; then
2491 GCC_SHLIB_SUBDIR=/shlib
2496 # Record target_configdirs and the configure arguments for target and
2497 # build configuration in Makefile.
2498 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2499 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2501 # If we are building libgomp, bootstrap it.
2502 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2503 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2506 # Determine whether gdb needs tk/tcl or not.
2507 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2508 # and in that case we want gdb to be built without tk. Ugh!
2509 # In fact I believe gdb is the *only* package directly dependent on tk,
2510 # so we should be able to put the 'maybe's in unconditionally and
2511 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2512 # 100% sure that that's safe though.
2514 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2515 case "$enable_gdbtk" in
2519 GDB_TK="${gdb_tk}" ;;
2521 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2522 # distro. Eventually someone will fix this and move Insight, nee
2523 # gdbtk to a separate directory.
2524 if test -d ${srcdir}/gdb/gdbtk ; then
2531 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2532 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2534 # Strip out unwanted targets.
2536 # While at that, we remove Makefiles if we were started for recursive
2537 # configuration, so that the top-level Makefile reconfigures them,
2538 # like we used to do when configure itself was recursive.
2540 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2541 # but now we're fixing up the Makefile ourselves with the additional
2542 # commands passed to AC_CONFIG_FILES. Use separate variables
2543 # extrasub-{build,host,target} not because there is any reason to split
2544 # the substitutions up that way, but only to remain below the limit of
2545 # 99 commands in a script, for HP-UX sed.
2546 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2548 AC_ARG_ENABLE([bootstrap],
2549 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2550 enable_bootstrap=default)
2552 # Issue errors and warnings for invalid/strange bootstrap combinations.
2553 case "$configdirs" in
2554 *gcc*) have_compiler=yes ;;
2555 *) have_compiler=no ;;
2558 case "$have_compiler:$host:$target:$enable_bootstrap" in
2561 # Default behavior. Enable bootstrap if we have a compiler
2562 # and we are in a native configuration.
2563 yes:$build:$build:default)
2564 enable_bootstrap=yes ;;
2567 enable_bootstrap=no ;;
2569 # We have a compiler and we are in a native configuration, bootstrap is ok
2570 yes:$build:$build:yes)
2573 # Other configurations, but we have a compiler. Assume the user knows
2576 AC_MSG_WARN([trying to bootstrap a cross compiler])
2579 # No compiler: if they passed --enable-bootstrap explicitly, fail
2581 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2583 # Fail if wrong command line
2585 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2589 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2592 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2596 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2597 yes:yes:*\ gold\ *:*,c++,*) ;;
2598 yes:yes:*\ gold\ *:*)
2599 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2603 # Adjust the toplevel makefile according to whether bootstrap was selected.
2604 case $enable_bootstrap in
2606 bootstrap_suffix=bootstrap
2607 BUILD_CONFIG=bootstrap-debug
2610 bootstrap_suffix=no-bootstrap
2615 AC_MSG_CHECKING(for default BUILD_CONFIG)
2617 AC_ARG_WITH([build-config],
2618 [--with-build-config='NAME NAME2...'
2619 Use config/NAME.mk build configuration],
2620 [case $with_build_config in
2621 yes) with_build_config= ;;
2622 no) with_build_config= BUILD_CONFIG= ;;
2625 if test "x${with_build_config}" != x; then
2626 BUILD_CONFIG=$with_build_config
2628 case $BUILD_CONFIG in
2630 if echo "int f (void) { return 0; }" > conftest.c &&
2631 ${CC} -c conftest.c &&
2632 mv conftest.o conftest.o.g0 &&
2633 ${CC} -c -g conftest.c &&
2634 mv conftest.o conftest.o.g &&
2635 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2640 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2644 AC_MSG_RESULT($BUILD_CONFIG)
2645 AC_SUBST(BUILD_CONFIG)
2648 for module in ${build_configdirs} ; do
2649 if test -z "${no_recursion}" \
2650 && test -f ${build_subdir}/${module}/Makefile; then
2651 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2652 rm -f ${build_subdir}/${module}/Makefile
2654 extrasub_build="$extrasub_build
2655 /^@if build-$module\$/d
2656 /^@endif build-$module\$/d
2657 /^@if build-$module-$bootstrap_suffix\$/d
2658 /^@endif build-$module-$bootstrap_suffix\$/d"
2661 for module in ${configdirs} ; do
2662 if test -z "${no_recursion}"; then
2663 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2664 if test -f ${file}; then
2665 echo 1>&2 "*** removing ${file} to force reconfigure"
2670 extrasub_host="$extrasub_host
2672 /^@endif $module\$/d
2673 /^@if $module-$bootstrap_suffix\$/d
2674 /^@endif $module-$bootstrap_suffix\$/d"
2677 for module in ${target_configdirs} ; do
2678 if test -z "${no_recursion}" \
2679 && test -f ${target_subdir}/${module}/Makefile; then
2680 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2681 rm -f ${target_subdir}/${module}/Makefile
2684 # We only bootstrap target libraries listed in bootstrap_target_libs.
2685 case $bootstrap_target_libs in
2686 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2687 *) target_bootstrap_suffix=no-bootstrap ;;
2690 extrasub_target="$extrasub_target
2691 /^@if target-$module\$/d
2692 /^@endif target-$module\$/d
2693 /^@if target-$module-$target_bootstrap_suffix\$/d
2694 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2697 # Do the final fixup along with target modules.
2698 extrasub_target="$extrasub_target
2699 /^@if /,/^@endif /d"
2701 # Create the serialization dependencies. This uses a temporary file.
2703 AC_ARG_ENABLE([serial-configure],
2704 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2705 force sequential configuration of
2706 sub-packages for the host, target or build
2707 machine, or all sub-packages])
2709 case ${enable_serial_configure} in
2711 enable_serial_build_configure=yes
2712 enable_serial_host_configure=yes
2713 enable_serial_target_configure=yes
2717 # These force 'configure's to be done one at a time, to avoid problems
2718 # with contention over a shared config.cache.
2720 echo '# serdep.tmp' > serdep.tmp
2722 test "x${enable_serial_build_configure}" = xyes &&
2723 for item in ${build_configdirs} ; do
2726 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2731 test "x${enable_serial_host_configure}" = xyes &&
2732 for item in ${configdirs} ; do
2735 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2740 test "x${enable_serial_target_configure}" = xyes &&
2741 for item in ${target_configdirs} ; do
2744 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2748 serialization_dependencies=serdep.tmp
2749 AC_SUBST_FILE(serialization_dependencies)
2751 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2752 # target, nonopt, and variable assignments. These are the ones we
2753 # might not want to pass down to subconfigures. The exception being
2754 # --cache-file=/dev/null, which is used to turn off the use of cache
2755 # files altogether, and which should be passed on to subconfigures.
2756 # Also strip program-prefix, program-suffix, and program-transform-name,
2757 # so that we can pass down a consistent program-transform-name.
2761 eval "set -- $ac_configure_args"
2764 if test X"$skip_next" = X"yes"; then
2768 if test X"$keep_next" = X"yes"; then
2771 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2773 baseargs="$baseargs '$ac_arg'"
2778 # Handle separated arguments. Based on the logic generated by
2781 *=* | --config-cache | -C | -disable-* | --disable-* \
2782 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2783 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2784 | -with-* | --with-* | -without-* | --without-* | --x)
2796 --cache-file=/dev/null | \
2797 -cache-file=/dev/null )
2798 # Handled here to avoid the test to skip args below.
2799 baseargs="$baseargs '$ac_arg'"
2800 # Assert: $separate_arg should always be no.
2801 keep_next=$separate_arg
2817 -program-prefix* | \
2818 -program-suffix* | \
2819 -program-transform-name* )
2820 skip_next=$separate_arg
2824 # An option. Add it.
2827 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2829 baseargs="$baseargs '$ac_arg'"
2830 keep_next=$separate_arg
2833 # Either a variable assignment, or a nonopt (triplet). Don't
2834 # pass it down; let the Makefile handle this.
2839 # Remove the initial space we just introduced and, as these will be
2840 # expanded by make, quote '$'.
2841 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2843 # Add in --program-transform-name, after --program-prefix and
2844 # --program-suffix have been applied to it. Autoconf has already
2845 # doubled dollar signs and backslashes in program_transform_name; we want
2846 # the backslashes un-doubled, and then the entire thing wrapped in single
2847 # quotes, because this will be expanded first by make and then by the shell.
2848 # Also, because we want to override the logic in subdir configure scripts to
2849 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2850 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2851 ${program_transform_name}
2853 gcc_transform_name=`cat conftestsed.out`
2854 rm -f conftestsed.out
2855 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2856 if test "$silent" = yes; then
2857 baseargs="$baseargs --silent"
2859 baseargs="$baseargs --disable-option-checking"
2861 # Record and document user additions to sub configure arguments.
2862 AC_ARG_VAR([build_configargs],
2863 [additional configure arguments for build directories])
2864 AC_ARG_VAR([host_configargs],
2865 [additional configure arguments for host directories])
2866 AC_ARG_VAR([target_configargs],
2867 [additional configure arguments for target directories])
2869 # For the build-side libraries, we just need to pretend we're native,
2870 # and not use the same cache file. Multilibs are neither needed nor
2872 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2874 # For host modules, accept cache file option, or specification as blank.
2875 case "${cache_file}" in
2877 cache_file_option="" ;;
2878 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2879 cache_file_option="--cache-file=${cache_file}" ;;
2881 cache_file_option="--cache-file=../${cache_file}" ;;
2884 # Host dirs don't like to share a cache file either, horribly enough.
2885 # This seems to be due to autoconf 2.5x stupidity.
2886 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2888 target_configargs="$target_configargs ${baseargs}"
2890 # Passing a --with-cross-host argument lets the target libraries know
2891 # whether they are being built with a cross-compiler or being built
2892 # native. However, it would be better to use other mechanisms to make the
2893 # sorts of decisions they want to make on this basis. Please consider
2894 # this option to be deprecated. FIXME.
2895 if test x${is_cross_compiler} = xyes ; then
2896 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2899 # Default to --enable-multilib.
2900 if test x${enable_multilib} = x ; then
2901 target_configargs="--enable-multilib ${target_configargs}"
2904 # Pass --with-newlib if appropriate. Note that target_configdirs has
2905 # changed from the earlier setting of with_newlib.
2906 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2907 target_configargs="--with-newlib ${target_configargs}"
2910 # Different target subdirs use different values of certain variables
2911 # (notably CXX). Worse, multilibs use *lots* of different values.
2912 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2913 # it doesn't automatically accept command-line overrides of them.
2914 # This means it's not safe for target subdirs to share a cache file,
2915 # which is disgusting, but there you have it. Hopefully this can be
2916 # fixed in future. It's still worthwhile to use a cache file for each
2917 # directory. I think.
2919 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2920 # We need to pass --target, as newer autoconf's requires consistency
2921 # for target_alias and gcc doesn't manage it consistently.
2922 target_configargs="--cache-file=./config.cache ${target_configargs}"
2925 case " $target_configdirs " in
2927 case " $target_configargs " in
2928 *" --with-newlib "*)
2931 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 $$s/winsup/w32api/include'
2935 # If we're not building GCC, don't discard standard headers.
2936 if test -d ${srcdir}/gcc; then
2937 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2939 if test "${build}" != "${host}"; then
2940 # On Canadian crosses, CC_FOR_TARGET will have already been set
2941 # by `configure', so we won't have an opportunity to add -Bgcc/
2942 # to it. This is right: we don't want to search that directory
2943 # for binaries, but we want the header files in there, so add
2945 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2947 # Someone might think of using the pre-installed headers on
2948 # Canadian crosses, in case the installed compiler is not fully
2949 # compatible with the compiler being built. In this case, it
2950 # would be better to flag an error than risking having
2951 # incompatible object files being constructed. We can't
2952 # guarantee that an error will be flagged, but let's hope the
2953 # compiler will do it, when presented with incompatible header
2958 case "${target}-${is_cross_compiler}" in
2959 i[[3456789]]86-*-linux*-no)
2960 # Here host == target, so we don't need to build gcc,
2961 # so we don't want to discard standard headers.
2962 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2965 # If we're building newlib, use its generic headers last, but search
2966 # for any libc-related directories first (so make it the last -B
2968 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2970 # If we're building libgloss, find the startup file, simulator library
2971 # and linker script.
2972 case " $target_configdirs " in
2974 # Look for startup file, simulator library and maybe linker script.
2975 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2976 # Look for libnosys.a in case the target needs it.
2977 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2978 # Most targets have the linker script in the source directory.
2979 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2990 x86_64-*mingw* | *-w64-mingw*)
2991 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2992 # however, use a symlink named 'mingw' in ${prefix} .
2993 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2996 # MinGW can't be handled as Cygwin above since it does not use newlib.
2997 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3001 # Allow the user to override the flags for
3002 # our build compiler if desired.
3003 if test x"${build}" = x"${host}" ; then
3004 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3005 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3006 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3009 # On Canadian crosses, we'll be searching the right directories for
3010 # the previously-installed cross compiler, so don't bother to add
3011 # flags for directories within the install tree of the compiler
3012 # being built; programs in there won't even run.
3013 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3014 # Search for pre-installed headers if nothing else fits.
3015 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3018 if test "x${use_gnu_ld}" = x &&
3019 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3020 # Arrange for us to find uninstalled linker scripts.
3021 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3024 # Search for other target-specific linker scripts and such.
3027 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3031 # Makefile fragments.
3032 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3034 eval fragval=\$$frag
3035 if test $fragval != /dev/null; then
3036 eval $frag=${srcdir}/$fragval
3039 AC_SUBST_FILE(host_makefile_frag)
3040 AC_SUBST_FILE(target_makefile_frag)
3041 AC_SUBST_FILE(alphaieee_frag)
3042 AC_SUBST_FILE(ospace_frag)
3044 # Miscellanea: directories, flags, etc.
3045 AC_SUBST(RPATH_ENVVAR)
3046 AC_SUBST(GCC_SHLIB_SUBDIR)
3048 AC_SUBST(build_tooldir)
3049 AC_SUBST(CONFIGURE_GDB_TK)
3051 AC_SUBST(INSTALL_GDB_TK)
3053 # Build module lists & subconfigure args.
3054 AC_SUBST(build_configargs)
3055 AC_SUBST(build_configdirs)
3057 # Host module lists & subconfigure args.
3058 AC_SUBST(host_configargs)
3059 AC_SUBST(configdirs)
3060 AC_SUBST(target_configdirs)
3062 # Target module lists & subconfigure args.
3063 AC_SUBST(target_configargs)
3067 AC_SUBST(AR_FOR_BUILD)
3068 AC_SUBST(AS_FOR_BUILD)
3069 AC_SUBST(CC_FOR_BUILD)
3070 AC_SUBST(CFLAGS_FOR_BUILD)
3071 AC_SUBST(CXXFLAGS_FOR_BUILD)
3072 AC_SUBST(CXX_FOR_BUILD)
3073 AC_SUBST(DLLTOOL_FOR_BUILD)
3074 AC_SUBST(GCJ_FOR_BUILD)
3075 AC_SUBST(GFORTRAN_FOR_BUILD)
3076 AC_SUBST(GOC_FOR_BUILD)
3077 AC_SUBST(LDFLAGS_FOR_BUILD)
3078 AC_SUBST(LD_FOR_BUILD)
3079 AC_SUBST(NM_FOR_BUILD)
3080 AC_SUBST(RANLIB_FOR_BUILD)
3081 AC_SUBST(WINDMC_FOR_BUILD)
3082 AC_SUBST(WINDRES_FOR_BUILD)
3083 AC_SUBST(config_shell)
3085 # Generate default definitions for YACC, M4, LEX and other programs that run
3086 # on the build machine. These are used if the Makefile can't locate these
3087 # programs in objdir.
3088 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3090 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3091 case " $build_configdirs " in
3092 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3093 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3096 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3097 case " $build_configdirs " in
3098 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3101 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3102 case " $build_configdirs " in
3103 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3106 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3107 case " $build_configdirs " in
3108 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3109 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3112 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3113 case " $build_configdirs " in
3114 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3117 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3118 case " $build_configdirs " in
3119 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3122 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3123 # higher, else we use the "missing" dummy.
3124 if ${MAKEINFO} --version \
3125 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3128 MAKEINFO="$MISSING makeinfo"
3134 # FIXME: expect and dejagnu may become build tools?
3136 AC_CHECK_PROGS(EXPECT, expect, expect)
3137 case " $configdirs " in
3139 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3143 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3144 case " $configdirs " in
3146 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3152 NCN_STRICT_CHECK_TOOLS(AR, ar)
3153 NCN_STRICT_CHECK_TOOLS(AS, as)
3154 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3155 NCN_STRICT_CHECK_TOOLS(LD, ld)
3156 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3157 NCN_STRICT_CHECK_TOOLS(NM, nm)
3158 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3159 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3160 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3161 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3162 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3163 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3170 AC_ARG_WITH([build-time-tools],
3171 [ --with-build-time-tools=PATH
3172 use given path to find target tools during the build],
3173 [case x"$withval" in
3176 with_build_time_tools=
3177 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3180 [with_build_time_tools=])
3182 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3183 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3184 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3185 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3186 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3187 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3189 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3190 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3191 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3192 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3193 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3194 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3195 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3196 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3197 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3198 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3199 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3201 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3203 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3204 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3205 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3206 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3207 [gcc/g++ -B$$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],
3209 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3210 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3212 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3213 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3214 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3215 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3216 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3217 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3218 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3219 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3220 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3221 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3222 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3223 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3224 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3225 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3226 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3227 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3229 AC_SUBST(FLAGS_FOR_TARGET)
3230 AC_SUBST(RAW_CXX_FOR_TARGET)
3232 # Certain tools may need extra flags.
3233 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3234 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3235 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3237 # When building target libraries, except in a Canadian cross, we use
3238 # the same toolchain as the compiler we just built.
3239 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3240 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3241 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3242 if test $host = $build; then
3243 case " $configdirs " in
3245 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3246 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3247 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3252 AC_SUBST(COMPILER_AS_FOR_TARGET)
3253 AC_SUBST(COMPILER_LD_FOR_TARGET)
3254 AC_SUBST(COMPILER_NM_FOR_TARGET)
3256 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3257 AC_ARG_ENABLE(maintainer-mode,
3258 [ --enable-maintainer-mode enable make rules and dependencies not useful
3259 (and sometimes confusing) to the casual installer],
3260 USE_MAINTAINER_MODE=$enableval,
3261 USE_MAINTAINER_MODE=no)
3262 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3263 AC_SUBST(MAINTAINER_MODE_TRUE)
3264 AC_SUBST(MAINTAINER_MODE_FALSE)
3265 if test "$USE_MAINTAINER_MODE" = yes; then
3266 MAINTAINER_MODE_TRUE=
3267 MAINTAINER_MODE_FALSE='#'
3269 MAINTAINER_MODE_TRUE='#'
3270 MAINTAINER_MODE_FALSE=
3272 MAINT=$MAINTAINER_MODE_TRUE
3275 # ---------------------
3276 # GCC bootstrap support
3277 # ---------------------
3279 # Stage specific cflags for build.
3284 yes) stage1_cflags="-g -Wa,-J" ;;
3285 *) stage1_cflags="-g -J" ;;
3289 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3290 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3291 saved_CFLAGS="$CFLAGS"
3293 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3294 CFLAGS="$CFLAGS -fkeep-inline-functions"
3295 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3297 #if (__GNUC__ < 3) \
3298 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3299 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3300 #error http://gcc.gnu.org/PR29382
3303 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3304 [AC_MSG_RESULT([no])])
3306 CFLAGS="$saved_CFLAGS"
3309 AC_SUBST(stage1_cflags)
3311 # Enable --enable-checking in stage1 of the compiler.
3312 AC_ARG_ENABLE(stage1-checking,
3313 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3315 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3316 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3317 stage1_checking=--enable-checking=yes,types
3319 stage1_checking=--enable-checking=$enable_checking,types
3321 AC_SUBST(stage1_checking)
3323 # Enable -Werror in bootstrap stage2 and later.
3324 AC_ARG_ENABLE(werror,
3325 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3326 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3331 case ${enable_werror} in
3332 yes) stage2_werror_flag="--enable-werror-always" ;;
3333 *) stage2_werror_flag="" ;;
3335 AC_SUBST(stage2_werror_flag)
3337 # Specify what files to not compare during bootstrap.
3339 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3341 hppa*64*-*-hpux*) ;;
3342 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3344 case " $configdirs " in
3345 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3347 AC_SUBST(compare_exclusions)
3349 AC_CONFIG_FILES([Makefile],
3350 [sed "$extrasub_build" Makefile |
3351 sed "$extrasub_host" |
3352 sed "$extrasub_target" > mf$$
3353 mv -f mf$$ Makefile],
3354 [extrasub_build="$extrasub_build"
3355 extrasub_host="$extrasub_host"
3356 extrasub_target="$extrasub_target"])