1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 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)
26 AC_INIT(move-if-change)
28 AC_DISABLE_OPTION_CHECKING
31 # if PWD already has a value, it is probably wrong.
32 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
34 # Export original configure arguments for use by sub-configures.
35 # Quote arguments with shell meta charatcers.
36 TOPLEVEL_CONFIGURE_ARGUMENTS=
37 set -- "$progname" "$@"
41 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
42 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
43 # if the argument is of the form -foo=baz, quote the baz part only
44 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
47 # Add the quoted argument to the list.
48 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
50 if test "$silent" = yes; then
51 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
53 # Remove the initial space we just introduced and, as these will be
54 # expanded by make, quote '$'.
55 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
56 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
58 # Find the build, host, and target systems.
59 ACX_NONCANONICAL_BUILD
61 ACX_NONCANONICAL_TARGET
63 dnl Autoconf 2.5x and later will set a default program prefix if
64 dnl --target was used, even if it was the same as --host. Disable
65 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
67 test "$host_noncanonical" = "$target_noncanonical" &&
68 test "$program_prefix$program_suffix$program_transform_name" = \
70 program_transform_name=s,y,y,
75 m4_pattern_allow([^AS_FOR_TARGET$])dnl
76 m4_pattern_allow([^AS_FOR_BUILD$])dnl
78 # Get 'install' or 'install-sh' and its variants.
85 ### we might need to use some other shell than /bin/sh for running subshells
86 ### If we are on Windows, search for the shell. This will permit people
87 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
88 ### without also having to set CONFIG_SHELL. This code will work when
89 ### using bash, which sets OSTYPE.
92 if test x${CONFIG_SHELL} = x ; then
93 if test ! -f /bin/sh ; then
94 if test x${SHELL} != x && test -f ${SHELL} ; then
98 for prog in sh sh.exe bash bash.exe; do
99 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
101 test -z "$dir" && dir=.
102 if test -f $dir/$prog; then
103 CONFIG_SHELL=$dir/$prog
109 test -n "${CONFIG_SHELL}" && break
117 config_shell=${CONFIG_SHELL-/bin/sh}
119 moveifchange=${srcdir}/move-if-change
121 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
123 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
125 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
126 INSTALL="${srcpwd}/install-sh -c"
129 # Set srcdir to "." if that's what it is.
130 # This is important for multilib support.
132 if test "${pwd}" = "${srcpwd}" ; then
140 ### To add a new directory to the tree, first choose whether it is a target
141 ### or a host dependent tool. Then put it into the appropriate list
142 ### (library or tools, host or target), doing a dependency sort.
144 # Subdirs will be configured in the order listed in build_configdirs,
145 # configdirs, or target_configdirs; see the serialization section below.
147 # Dependency sorting is only needed when *configuration* must be done in
148 # a particular order. In all cases a dependency should be specified in
149 # the Makefile, whether or not it's implicitly specified here.
151 # Double entries in build_configdirs, configdirs, or target_configdirs may
152 # cause circular dependencies and break everything horribly.
154 # these library is used by various programs built for the build
157 build_libs="build-libiberty"
159 # these tools are built for the build environment
160 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
162 # these libraries are used by various programs built for the host environment
164 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libiconv"
166 # these tools are built for the host environment
167 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
168 # know that we are building the simulator.
169 # binutils, gas and ld appear in that order because it makes sense to run
170 # "make check" in that particular order.
171 # If --enable-gold is used, "gold" will replace "ld".
172 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"
174 # libgcj represents the runtime libraries only used by gcj.
175 libgcj="target-libffi \
180 # these libraries are built for the target environment, and are built after
181 # the host libraries and the host tools (which may be a cross compiler)
183 target_libraries="target-libgcc \
188 target-libstdc++-v3 \
197 # these tools are built using the target libraries, and are intended to
198 # run only in the target environment
200 # note: any program that *uses* libraries that are in the "target_libraries"
201 # list belongs in this list. those programs are also very likely
202 # candidates for the "native_only" list which follows
204 target_tools="target-examples target-groff target-gperf target-rda"
206 ################################################################################
208 ## All tools belong in one of the four categories, and are assigned above
209 ## We assign ${configdirs} this way to remove all embedded newlines. This
210 ## is important because configure will choke if they ever get through.
211 ## ${configdirs} is directories we build using the host tools.
212 ## ${target_configdirs} is directories we build using the target tools.
213 configdirs=`echo ${host_libs} ${host_tools}`
214 target_configdirs=`echo ${target_libraries} ${target_tools}`
215 build_configdirs=`echo ${build_libs} ${build_tools}`
217 m4_divert_text([PARSE_ARGS],
218 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
221 ################################################################################
223 srcname="gnu development package"
225 # This gets set non-empty for some net releases of packages.
228 # Define is_cross_compiler to save on calls to 'test'.
230 if test x"${host}" = x"${target}" ; then
233 is_cross_compiler=yes
236 # Find the build and target subdir names.
238 # Be sure to cover against remnants of an in-tree build.
239 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
240 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
241 Use a pristine source tree when building in a separate tree])
244 # Skipdirs are removed silently.
246 # Noconfigdirs are removed loudly.
250 # Make sure we don't let GNU ld be added if we didn't want it.
251 if test x$with_gnu_ld = xno ; then
253 noconfigdirs="$noconfigdirs ld gold"
257 # Make sure we don't let GNU as be added if we didn't want it.
258 if test x$with_gnu_as = xno ; then
260 noconfigdirs="$noconfigdirs gas"
264 # Make sure we don't let ZLIB be added if we didn't want it.
265 if test x$with_system_zlib = xyes ; then
267 noconfigdirs="$noconfigdirs zlib"
270 # some tools are so dependent upon X11 that if we're not building with X,
271 # it's not even worth trying to configure, much less build, that tool.
274 yes | "") ;; # the default value for this tree is that X11 is available
276 skipdirs="${skipdirs} tk itcl libgui"
277 # We won't be able to build gdbtk without X.
280 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
283 # Some tools are only suitable for building in a "native" situation.
284 # Remove these if host!=target.
285 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"
287 # Similarly, some are only suitable for cross toolchains.
288 # Remove these if host=target.
289 cross_only="target-libgloss target-newlib target-opcodes"
291 case $is_cross_compiler in
292 no) skipdirs="${skipdirs} ${cross_only}" ;;
293 yes) skipdirs="${skipdirs} ${native_only}" ;;
296 # If both --with-headers and --with-libs are specified, default to
298 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
299 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
300 if test x"${with_newlib}" = x ; then
305 # Recognize --with-newlib/--without-newlib.
306 case ${with_newlib} in
307 no) skipdirs="${skipdirs} target-newlib" ;;
308 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
311 # Handle --enable-gold.
314 [ --enable-gold use gold instead of ld],
315 ENABLE_GOLD=$enableval,
317 if test "${ENABLE_GOLD}" = "yes"; then
318 # Check for ELF target.
321 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
322 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
323 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
325 *-*-linux*aout* | *-*-linux*oldld*)
333 if test "$is_elf" = "yes"; then
334 # Check for target supported by gold.
336 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
337 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
343 # Configure extra directories which are host specific
347 configdirs="$configdirs libtermcap" ;;
350 # A target can indicate whether a language isn't supported for some reason.
351 # Only spaces may be used in this macro; not newlines or tabs.
352 unsupported_languages=
354 # Remove more programs from consideration, based on the host or
355 # target this usually means that a port of the program doesn't
360 noconfigdirs="$noconfigdirs byacc"
362 i[[3456789]]86-*-vsta)
363 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
365 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
366 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
369 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
371 i[[3456789]]86-*-mingw32*)
372 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
373 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
375 i[[3456789]]86-*-beos*)
376 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
379 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
382 noconfigdirs="$noconfigdirs rcs"
385 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
388 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
393 AC_ARG_ENABLE(libada,
394 [ --enable-libada build libada directory],
395 ENABLE_LIBADA=$enableval,
397 if test "${ENABLE_LIBADA}" != "yes" ; then
398 noconfigdirs="$noconfigdirs gnattools"
401 AC_ARG_ENABLE(libssp,
402 [ --enable-libssp build libssp directory],
403 ENABLE_LIBSSP=$enableval,
406 # Save it here so that, even in case of --enable-libgcj, if the Java
407 # front-end isn't enabled, we still get libgcj disabled.
409 case $enable_libgcj in
411 # If we reset it here, it won't get added to noconfigdirs in the
412 # target-specific build rules, so it will be forcibly enabled
413 # (unless the Java language itself isn't enabled).
417 # Make sure we get it printed in the list of not supported target libs.
418 noconfigdirs="$noconfigdirs ${libgcj}"
423 # Disable libmudflap on some systems.
424 if test x$enable_libmudflap = x ; then
426 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
427 # Enable libmudflap by default in GNU and friends.
430 # Enable libmudflap by default in FreeBSD.
433 # Disable it by default everywhere else.
434 noconfigdirs="$noconfigdirs target-libmudflap"
439 # Disable libgomp on non POSIX hosted systems.
440 if test x$enable_libgomp = x ; then
441 # Enable libgomp by default on hosted POSIX systems.
443 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
445 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
447 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
449 *-*-darwin* | *-*-aix*)
452 noconfigdirs="$noconfigdirs target-libgomp"
457 # Default libgloss CPU subdirectory.
458 libgloss_dir="$target_cpu"
462 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
465 noconfigdirs="$noconfigdirs ld gas gdb gprof"
466 noconfigdirs="$noconfigdirs sim target-rda"
468 i[[3456789]]86-*-darwin*)
469 noconfigdirs="$noconfigdirs ld gprof"
470 noconfigdirs="$noconfigdirs sim target-rda"
472 x86_64-*-darwin[[912]]*)
473 noconfigdirs="$noconfigdirs ld gas gprof"
474 noconfigdirs="$noconfigdirs sim target-rda"
477 noconfigdirs="$noconfigdirs ld gas gdb gprof"
478 noconfigdirs="$noconfigdirs sim target-rda"
479 noconfigdirs="$noconfigdirs ${libgcj}"
481 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
482 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
485 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
486 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
487 && test -f /usr/local/include/gmp.h; then
491 # Skip some stuff that's unsupported on some FreeBSD configurations.
496 noconfigdirs="$noconfigdirs ${libgcj}"
501 # Remove unsupported stuff on all kaOS configurations.
502 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
503 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
504 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
505 noconfigdirs="$noconfigdirs target-libgloss"
508 # Skip some stuff on all NetBSD configurations.
509 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
511 # Skip some stuff that's unsupported on some NetBSD configurations.
513 i*86-*-netbsdelf*) ;;
514 arm*-*-netbsdelf*) ;;
516 noconfigdirs="$noconfigdirs ${libgcj}"
521 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
524 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
526 # The tpf target doesn't support gdb yet.
528 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
531 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
534 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
537 # ld works, but does not support shared libraries.
538 # newlib is not 64 bit ready. I'm not sure about fileutils.
539 # gas doesn't generate exception information.
540 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
543 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
546 # newlib is not 64 bit ready
547 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
550 # newlib is not 64 bit ready
551 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
554 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
557 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
559 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
560 noconfigdirs="$noconfigdirs ${libgcj}"
561 noconfigdirs="$noconfigdirs target-examples"
562 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
563 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
564 noconfigdirs="$noconfigdirs expect dejagnu"
565 # the C++ libraries don't build on top of CE's C libraries
566 noconfigdirs="$noconfigdirs target-libstdc++-v3"
567 noconfigdirs="$noconfigdirs target-newlib"
569 *-*-cygwin*) ;; # keep gdb and readline
570 *) noconfigdirs="$noconfigdirs gdb readline"
576 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
580 arm-*-coff | strongarm-*-coff | xscale-*-coff)
581 noconfigdirs="$noconfigdirs ${libgcj}"
584 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
585 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
588 arm*-*-linux-gnueabi)
589 noconfigdirs="$noconfigdirs target-qthreads"
590 case ${with_newlib} in
591 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
596 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
600 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
603 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
606 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
609 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
612 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
615 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
618 unsupported_languages="$unsupported_languages java"
619 noconfigdirs="$noconfigdirs target-boehm-gc gdb"
620 if test x${is_cross_compiler} != xno ; then
621 target_configdirs="${target_configdirs} target-bsp target-cygmon"
625 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
627 c54x*-*-* | tic54x-*-*)
628 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
631 noconfigdirs="$noconfigdirs ${libgcj} gdb"
633 cris-*-* | crisv32-*-*)
634 unsupported_languages="$unsupported_languages java"
637 unsupported_languages="$unsupported_languages fortran"
638 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
640 noconfigdirs="$noconfigdirs target-boehm-gc";;
642 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
644 unsupported_languages="$unsupported_languages fortran"
645 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
650 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
653 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
656 noconfigdirs="$noconfigdirs ${libgcj} gdb"
658 ep9312-*-elf | ep9312-*-coff)
662 noconfigdirs="$noconfigdirs ${libgcj} gdb"
665 noconfigdirs="$noconfigdirs ${libgcj}"
668 noconfigdirs="$noconfigdirs ${libgcj}"
669 noconfigdirs="$noconfigdirs gprof"
672 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
675 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
677 hppa1.1-*-osf* | hppa1.1-*-bsd* )
679 hppa*64*-*-linux* | parisc*64*-*-linux*)
680 # In this case, it's because the hppa64-linux target is for
681 # the kernel only at this point and has no libc, and thus no
682 # headers, crt*.o, etc., all of which are needed by these.
683 noconfigdirs="$noconfigdirs target-zlib"
685 parisc*-*-linux* | hppa*-*-linux*)
691 noconfigdirs="$noconfigdirs ${libgcj}"
694 noconfigdirs="$noconfigdirs ld shellutils"
700 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
701 # build on HP-UX 10.20.
702 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
705 noconfigdirs="$noconfigdirs ${libgcj} gdb"
708 # No gdb support yet.
709 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
712 # No gdb or ld support yet.
713 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
716 # No gdb or ld support yet.
717 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
721 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
722 noconfigdirs="$noconfigdirs ${libgcj}"
725 i[[3456789]]86-*-linux*)
726 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
727 # not build java stuff by default.
730 noconfigdirs="$noconfigdirs ${libgcj}";;
733 # This section makes it possible to build newlib natively on linux.
734 # If we are using a cross compiler then don't configure newlib.
735 if test x${is_cross_compiler} != xno ; then
736 noconfigdirs="$noconfigdirs target-newlib"
738 noconfigdirs="$noconfigdirs target-libgloss"
739 # If we are not using a cross compiler, do configure newlib.
740 # Note however, that newlib will only be configured in this situation
741 # if the --with-newlib option has been given, because otherwise
742 # 'target-newlib' will appear in skipdirs.
744 i[[3456789]]86-*-mingw32*)
745 target_configdirs="$target_configdirs target-winsup"
746 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
749 target_configdirs="$target_configdirs target-winsup"
750 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
753 target_configdirs="$target_configdirs target-libtermcap target-winsup"
754 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
755 # always build newlib if winsup directory is present.
756 if test -d "$srcdir/winsup/cygwin"; then
757 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
758 elif test -d "$srcdir/newlib"; then
759 echo "Warning: winsup/cygwin is missing so newlib can't be built."
762 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
763 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
766 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
768 i[[3456789]]86-*-sco3.2v5*)
769 # The linker does not yet know about weak symbols in COFF,
770 # and is not configured to handle mixed ELF and COFF.
771 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
773 i[[3456789]]86-*-sco*)
774 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
776 i[[3456789]]86-*-solaris2*)
777 noconfigdirs="$noconfigdirs target-libgloss"
779 i[[3456789]]86-*-sysv4*)
780 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
782 i[[3456789]]86-*-beos*)
783 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
785 i[[3456789]]86-*-rdos*)
786 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
789 noconfigdirs="$noconfigdirs ${libgcj}"
791 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
792 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
796 noconfigdirs="$noconfigdirs ${libgcj}"
799 noconfigdirs="$noconfigdirs ${libgcj}"
805 # The EPOC C++ environment does not support exceptions or rtti,
806 # and so building libstdc++-v3 tends not to always work.
807 noconfigdirs="$noconfigdirs target-libstdc++-v3"
810 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
811 unsupported_languages="$unsupported_languages fortran java"
814 noconfigdirs="$noconfigdirs ${libgcj}"
817 noconfigdirs="$noconfigdirs ${libgcj}"
820 noconfigdirs="$noconfigdirs sim"
823 # copied from rs6000-*-* entry
824 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
826 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
827 target_configdirs="$target_configdirs target-winsup"
828 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
829 # always build newlib.
830 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
832 # This is temporary until we can link against shared libraries
833 powerpcle-*-solaris*)
834 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
838 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
841 noconfigdirs="$noconfigdirs ${libgcj}"
844 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
848 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
851 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
854 noconfigdirs="$noconfigdirs gprof ${libgcj}"
857 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
860 noconfigdirs="$noconfigdirs gprof ${libgcj}"
863 skipdirs="$skipdirs target-libiberty"
864 noconfigdirs="$noconfigdirs ${libgcj}"
865 if test x$with_newlib = xyes; then
866 noconfigdirs="$noconfigdirs gprof"
871 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
874 # Linking libjava exceeds command-line length limits on at least
875 # IRIX 6.2, but not on IRIX 6.5.
876 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
877 # <oldham@codesourcery.com>
878 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
881 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
884 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
887 noconfigdirs="$noconfigdirs gprof ${libgcj}"
891 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
895 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
896 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
897 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
898 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
902 noconfigdirs="$noconfigdirs ${libgcj}" ;;
904 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
907 sparclet-*-aout* | sparc86x-*-*)
911 noconfigdirs="$noconfigdirs ${libgcj}"
914 noconfigdirs="$noconfigdirs ${libgcj}"
918 noconfigdirs="$noconfigdirs ${libgcj}"
922 noconfigdirs="$noconfigdirs ${libgcj}"
923 if test x${is_cross_compiler} != xno ; then
924 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
929 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
930 noconfigdirs="$noconfigdirs ${libgcj}"
932 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
935 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
938 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
941 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
944 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
947 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
950 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
953 noconfigdirs="$noconfigdirs ${libgcj}"
956 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
958 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
959 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
962 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
965 noconfigdirs="$noconfigdirs ${libgcj}"
969 # If we aren't building newlib, then don't build libgloss, since libgloss
970 # depends upon some newlib header files.
971 case "${noconfigdirs}" in
972 *target-libgloss*) ;;
973 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
976 # Work in distributions that contain no compiler tools, like Autoconf.
978 host_makefile_frag=/dev/null
979 if test -d ${srcdir}/config ; then
982 # Avoid "too much defining" errors from HPUX compiler.
983 tentative_cc="cc -Wp,-H256000"
984 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
985 # If it's HP/UX ar, this should be harmless.
989 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
992 #None of the Apollo compilers can compile gas or binutils. The preprocessor
993 # chokes on bfd, the compiler won't let you assign integers to enums, and
994 # other problems. Defining CC to gcc is a questionable way to say "don't use
995 # the apollo compiler" (the preferred version of GCC could be called cc,
996 # or whatever), but I'm not sure leaving CC as cc is any better...
997 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
998 # Used to have BISON=yacc.
1002 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1005 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1006 tentative_cc="cc -Xa"
1007 host_makefile_frag="config/mh-cxux"
1009 m88k-motorola-sysv*)
1012 tentative_cc="cc -Wf,-XNg1000"
1013 host_makefile_frag="config/mh-decstation"
1016 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1017 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1018 host_makefile_frag="config/mh-necv4"
1021 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1022 # environment. Also bump switch table size so that cp-parse will
1023 # compile. Bump string length limit so linker builds.
1024 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1027 host_makefile_frag="config/mh-sysv4"
1030 # This is for a MIPS running RISC/os 4.52C.
1032 # This is needed for GDB, but needs to be in the top-level make because
1033 # if a library is compiled with the bsd headers and gets linked with the
1034 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1035 # a different size).
1036 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1037 # known except to select the sysv environment. Could we use /proc instead?
1038 # These "sysv environments" and "bsd environments" often end up being a pain.
1040 # This is not part of CFLAGS because perhaps not all C compilers have this
1042 tentative_cc="cc -systype sysv"
1047 i[[3456789]]86-*-sysv5*)
1048 host_makefile_frag="config/mh-sysv5"
1050 i[[3456789]]86-*-dgux*)
1051 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1052 host_makefile_frag="config/mh-dgux386"
1054 i[[3456789]]86-ncr-sysv4.3*)
1055 # The MetaWare compiler will generate a copyright message unless you
1056 # turn it off by adding the -Hnocopyr flag.
1057 tentative_cc="cc -Hnocopyr"
1059 i[[3456789]]86-ncr-sysv4*)
1060 # for an NCR 3000 (i486/SVR4) system.
1061 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1062 # This compiler not only emits obnoxious copyright messages every time
1063 # you run it, but it chokes and dies on a whole bunch of GNU source
1064 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1065 tentative_cc="/usr/ccs/ATT/cc"
1066 host_makefile_frag="config/mh-ncr3000"
1068 i[[3456789]]86-*-sco3.2v5*)
1070 i[[3456789]]86-*-sco*)
1071 # The native C compiler botches some simple uses of const. Unfortunately,
1072 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1073 tentative_cc="cc -Dconst="
1074 host_makefile_frag="config/mh-sco"
1076 i[[3456789]]86-*-udk*)
1077 host_makefile_frag="config/mh-sysv5"
1079 i[[3456789]]86-*-solaris2*)
1080 host_makefile_frag="config/mh-sysv4"
1082 i[[3456789]]86-*-msdosdjgpp*)
1083 host_makefile_frag="config/mh-djgpp"
1086 ACX_CHECK_CYGWIN_CAT_WORKS
1087 host_makefile_frag="config/mh-cygwin"
1090 host_makefile_frag="config/mh-mingw"
1093 host_makefile_frag="config/mh-interix"
1096 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1100 host_makefile_frag="config/mh-solaris"
1103 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1104 # without overflowing the jump tables (-J says to use a 32 bit table)
1105 tentative_cc="cc -J"
1108 tentative_cc="cc -Wp,-H256000"
1109 host_makefile_frag="config/mh-pa-hpux10"
1111 hppa*-hp-hpux* | hppa*-*-hiux*)
1112 tentative_cc="cc -Wp,-H256000"
1113 host_makefile_frag="config/mh-pa"
1116 host_makefile_frag="config/mh-pa"
1118 *-hp-hpux* | *-*-hiux*)
1119 tentative_cc="cc -Wp,-H256000"
1122 # /bin/cc is less than useful for our purposes. Always use GCC
1123 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1124 host_makefile_frag="config/mh-lynxrs6k"
1127 host_makefile_frag="config/mh-ppc-darwin"
1130 host_makefile_frag="config/mh-ppc-aix"
1133 host_makefile_frag="config/mh-ppc-aix"
1136 # /bin/cc is less than useful for our purposes. Always use GCC
1137 tentative_cc="/bin/gcc"
1140 host_makefile_frag="config/mh-sysv4"
1142 # This is placed last to prevent interfering with the cases above.
1144 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1145 host_makefile_frag="config/mh-x86omitfp"
1150 # If we aren't going to be using gcc, see if we can extract a definition
1151 # of CC from the fragment.
1152 # Actually, use the 'pre-extracted' version above.
1153 if test -z "${CC}" && test "${build}" = "${host}" ; then
1154 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1156 for dir in $PATH; do
1157 test -z "$dir" && dir=.
1158 if test -f $dir/gcc; then
1164 if test -z "${found}" && test -n "${tentative_cc}" ; then
1169 if test "${build}" != "${host}" ; then
1170 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1171 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1172 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1173 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1174 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1175 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1176 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1177 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1178 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1179 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1180 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1181 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1183 AR_FOR_BUILD="\$(AR)"
1184 AS_FOR_BUILD="\$(AS)"
1185 CC_FOR_BUILD="\$(CC)"
1186 CXX_FOR_BUILD="\$(CXX)"
1187 GCJ_FOR_BUILD="\$(GCJ)"
1188 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1189 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1190 LD_FOR_BUILD="\$(LD)"
1191 NM_FOR_BUILD="\$(NM)"
1192 RANLIB_FOR_BUILD="\$(RANLIB)"
1193 WINDRES_FOR_BUILD="\$(WINDRES)"
1194 WINDMC_FOR_BUILD="\$(WINDMC)"
1200 # We must set the default linker to the linker used by gcc for the correct
1201 # operation of libtool. If LD is not defined and we are using gcc, try to
1202 # set the LD default to the ld used by gcc.
1203 if test -z "$LD"; then
1204 if test "$GCC" = yes; then
1207 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1209 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1211 case $gcc_prog_ld in
1212 # Accept absolute paths.
1213 [[\\/]* | [A-Za-z]:[\\/]*)]
1214 LD="$gcc_prog_ld" ;;
1220 ACX_PROG_CMP_IGNORE_INITIAL
1222 # See if we are building gcc with C++.
1223 AC_ARG_ENABLE(build-with-cxx,
1224 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1225 ENABLE_BUILD_WITH_CXX=$enableval,
1226 ENABLE_BUILD_WITH_CXX=no)
1228 # Check for GMP, MPFR and MPC
1229 gmplibs="-lmpfr -lgmp"
1236 # Specify a location for mpc
1237 # check for this first so it ends up on the link line before mpfr.
1238 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1239 Equivalent to --with-mpc-include=PATH/include
1240 plus --with-mpc-lib=PATH/lib])
1241 AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1242 specify directory for installed MPC include files])
1243 AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1245 if test "x$with_mpc" != x; then
1246 mpclibs="-L$with_mpc/lib -lmpc"
1247 mpcinc="-I$with_mpc/include $mpcinc"
1249 if test "x$with_mpc_include" != x; then
1250 mpcinc="-I$with_mpc_include $mpcinc"
1252 if test "x$with_mpc_lib" != x; then
1253 mpclibs="-L$with_mpc_lib -lmpc"
1255 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1256 mpclibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs -lmpc'
1257 mpcinc='-I$$s/mpc/src '"$mpcinc"
1258 # Do not test the mpc version. Assume that it is sufficient, since
1259 # it is in the source tree, and the library has not been built yet
1260 # but it would be included on the link line in the version check below
1261 # hence making the test fail.
1265 # Specify a location for mpfr
1266 # check for this first so it ends up on the link line before gmp.
1267 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1268 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1269 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1271 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1272 Equivalent to --with-mpfr-include=PATH/include
1273 plus --with-mpfr-lib=PATH/lib])
1274 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1275 specify directory for installed MPFR include files])
1276 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1278 if test "x$with_mpfr" != x; then
1279 gmplibs="-L$with_mpfr/lib $gmplibs"
1280 gmpinc="-I$with_mpfr/include"
1282 if test "x$with_mpfr_include" != x; then
1283 gmpinc="-I$with_mpfr_include"
1285 if test "x$with_mpfr_lib" != x; then
1286 gmplibs="-L$with_mpfr_lib $gmplibs"
1288 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1289 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1290 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1291 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr'
1292 # Do not test the mpfr version. Assume that it is sufficient, since
1293 # it is in the source tree, and the library has not been built yet
1294 # but it would be included on the link line in the version check below
1295 # hence making the test fail.
1299 # Specify a location for gmp
1300 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1301 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1302 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1304 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1305 Equivalent to --with-gmp-include=PATH/include
1306 plus --with-gmp-lib=PATH/lib])
1307 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1308 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1311 if test "x$with_gmp" != x; then
1312 gmplibs="-L$with_gmp/lib $gmplibs"
1313 gmpinc="-I$with_gmp/include $gmpinc"
1315 if test "x$with_gmp_include" != x; then
1316 gmpinc="-I$with_gmp_include $gmpinc"
1318 if test "x$with_gmp_lib" != x; then
1319 gmplibs="-L$with_gmp_lib $gmplibs"
1321 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1322 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1323 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1324 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1325 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp'
1326 # Do not test the gmp version. Assume that it is sufficient, since
1327 # it is in the source tree, and the library has not been built yet
1328 # but it would be included on the link line in the version check below
1329 # hence making the test fail.
1333 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1335 saved_CFLAGS="$CFLAGS"
1336 CFLAGS="$CFLAGS $gmpinc"
1337 # Check GMP actually works
1338 AC_MSG_CHECKING([for correct version of gmp.h])
1339 AC_TRY_COMPILE([#include "gmp.h"],[
1340 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
1343 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1345 # If we have GMP, check the MPFR version.
1346 if test x"$have_gmp" = xyes; then
1347 dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
1348 AC_MSG_CHECKING([for correct version of mpfr.h])
1349 AC_TRY_COMPILE([#include <gmp.h>
1350 #include <mpfr.h>],[
1351 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1354 ], AC_TRY_COMPILE([#include <gmp.h>
1355 #include <mpfr.h>],[
1356 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
1359 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1360 [AC_MSG_RESULT([no]); have_gmp=no])
1363 # Check for the MPC header version.
1364 if test x"$have_mpc" != xyes ; then
1365 CFLAGS="$CFLAGS $mpcinc"
1366 AC_MSG_CHECKING([for the correct version of mpc.h])
1367 AC_TRY_COMPILE([#include <mpc.h>],[
1368 #if MPC_VERSION < MPC_VERSION_NUM (0,7,0)
1371 ], [AC_MSG_RESULT([yes]); have_mpc=maybe],
1372 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1375 # Now check the MPFR library.
1376 if test x"$have_gmp" = xyes; then
1378 LIBS="$LIBS $gmplibs"
1379 AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
1380 AC_TRY_LINK([#include <gmp.h>
1381 #include <mpfr.h>],[
1387 mpfr_atan2 (n, n, x, GMP_RNDN);
1388 mpfr_erfc (n, x, GMP_RNDN);
1389 mpfr_subnormalize (x, t, GMP_RNDN);
1390 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1394 if test x"$have_mpc" = xmaybe; then
1396 LIBS="$LIBS $mpclibs $gmplibs"
1397 AC_MSG_CHECKING([for the correct version of the mpc library])
1398 AC_TRY_LINK([#include <mpc.h>],[
1401 mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
1402 mpc_sin (n, n, MPC_RNDNN);
1403 mpc_cos (n, n, MPC_RNDNN);
1404 mpc_tan (n, n, MPC_RNDNN);
1405 mpc_sinh (n, n, MPC_RNDNN);
1406 mpc_cosh (n, n, MPC_RNDNN);
1407 mpc_tanh (n, n, MPC_RNDNN);
1408 mpc_exp (n, n, MPC_RNDNN);
1409 mpc_log (n, n, MPC_RNDNN);
1410 mpc_sqrt (n, n, MPC_RNDNN);
1411 mpc_proj (n, n, MPC_RNDNN);
1412 mpc_neg (n, n, MPC_RNDNN);
1413 mpc_sqr (n, n, MPC_RNDNN);
1414 mpc_pow (n, n, n, MPC_RNDNN);
1416 ], [AC_MSG_RESULT([yes]); have_mpc=yes],
1417 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1421 CFLAGS="$saved_CFLAGS"
1423 if test x$have_gmp != xyes; then
1424 AC_MSG_ERROR([Building GCC requires GMP 4.2+ and MPFR 2.3.2+.
1425 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1426 Copies of these libraries' source code can be found at their respective
1427 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1428 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1429 If you obtained GMP and/or MPFR from a vendor distribution package, make
1430 sure that you have installed both the libraries and the header files.
1431 They may be located in separate packages.])
1435 if test x$have_mpc != xyes ; then
1440 gmpinc="$mpcinc $gmpinc"
1441 gmplibs="$mpclibs $gmplibs"
1443 # Flags needed for both GMP, MPFR and/or MPC.
1446 AC_SUBST(extra_mpfr_configure_flags)
1447 AC_SUBST(extra_mpc_gmp_configure_flags)
1448 AC_SUBST(extra_mpc_mpfr_configure_flags)
1450 # Allow host libstdc++ to be specified for static linking with PPL.
1451 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1452 when linking with PPL])
1454 case $with_host_libstdcxx in
1456 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1460 # Linker flags to use for stage1 or when not boostrapping.
1461 AC_ARG_WITH(stage1-ldflags,
1462 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1463 [if test "$withval" = "no" -o "$withval" = "yes"; then
1466 stage1_ldflags=$withval
1469 AC_SUBST(stage1_ldflags)
1471 # Libraries to use for stage1 or when not bootstrapping.
1472 AC_ARG_WITH(stage1-libs,
1473 [ -with-stage1-libs=LIBS Libraries for stage1],
1474 [if test "$withval" = "no" -o "$withval" = "yes"; then
1477 stage1_libs=$withval
1479 [stage1_libs=$with_host_libstdcxx])
1480 AC_SUBST(stage1_libs)
1482 # Linker flags to use for stage2 and later builds.
1483 AC_ARG_WITH(boot-ldflags,
1484 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1485 [if test "$withval" = "no" -o "$withval" = "yes"; then
1488 poststage1_ldflags=$withval
1490 [if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1491 poststage1_ldflags=-static-libstdc++
1495 AC_SUBST(poststage1_ldflags)
1497 # Libraries to use for stage2 and later builds. This defaults to the
1498 # argument passed to --with-host-libstdcxx.
1499 AC_ARG_WITH(boot-libs,
1500 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1501 [if test "$withval" = "no" -o "$withval" = "yes"; then
1504 poststage1_libs=$withval
1506 [poststage1_libs=$with_host_libstdcxx])
1507 AC_SUBST(poststage1_libs)
1511 ppl_minor_version=10
1512 ppllibs=" -lppl_c -lppl -lgmpxx"
1515 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1516 Equivalent to --with-ppl-include=PATH/include
1517 plus --with-ppl-lib=PATH/lib],, with_ppl=no)
1518 AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1519 AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1526 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1527 pplinc="-I$with_ppl/include $pplinc"
1528 LIBS="$ppllibs $LIBS"
1531 if test "x$with_ppl_include" != x; then
1532 pplinc="-I$with_ppl_include $pplinc"
1534 if test "x$with_ppl_lib" != x; then
1535 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1536 LIBS="$ppllibs $LIBS"
1538 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1539 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/.libs -L$$r/$(HOST_SUBDIR)/ppl/_libs -lppl_c -lppl -lgmpxx '
1540 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/include -I$$s/ppl/include '
1541 LIBS="$ppllibs $LIBS"
1544 AC_ARG_ENABLE(ppl-version-check,
1545 [ --disable-ppl-version-check disable check for PPL version],
1546 ENABLE_PPL_CHECK=$enableval,
1547 ENABLE_PPL_CHECK=yes)
1549 if test "${ENABLE_PPL_CHECK}" = "yes"; then
1550 saved_CFLAGS="$CFLAGS"
1551 CFLAGS="$CFLAGS $pplinc $gmpinc"
1552 AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
1553 AC_TRY_COMPILE([#include "ppl_c.h"],[
1554 #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
1557 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ])
1558 CFLAGS="$saved_CFLAGS"
1561 # Flags needed for PPL
1567 clooglibs=" -lcloog "
1568 clooginc=" -DCLOOG_PPL_BACKEND "
1570 AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
1571 Equivalent to --with-cloog-include=PATH/include
1572 plus --with-cloog-lib=PATH/lib],, with_cloog=no)
1573 AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
1574 AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
1582 clooglibs="-L$with_cloog/lib -lcloog"
1583 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1584 LIBS="$clooglibs $LIBS"
1587 if test "x$with_cloog_include" != x; then
1588 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1590 if test "x$with_cloog_lib" != x; then
1591 clooglibs="-L$with_cloog_lib -lcloog"
1592 LIBS="$clooglibs $LIBS"
1594 if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1595 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
1596 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1597 LIBS="$clooglibs $LIBS"
1600 AC_ARG_ENABLE(cloog-version-check,
1601 [ --disable-cloog-version-check disable check for CLooG version],
1602 ENABLE_CLOOG_CHECK=$enableval,
1603 ENABLE_CLOOG_CHECK=yes)
1605 if test "${ENABLE_CLOOG_CHECK}" = "yes"; then
1606 saved_CFLAGS="$CFLAGS"
1607 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1608 AC_MSG_CHECKING([for correct version of CLooG])
1609 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1610 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
1613 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1614 CFLAGS="$saved_CFLAGS"
1617 # Flags needed for CLOOG
1621 # Check for LTO support.
1623 [ --enable-lto enable link time optimization support],
1624 enable_lto=$enableval,
1625 enable_lto=yes; default_enable_lto=yes)
1627 if test x"$enable_lto" = x"yes" ; then
1628 # Make sure that libelf.h and gelf.h are available.
1629 AC_ARG_WITH(libelf, [ --with-libelf=PATH Specify prefix directory for the installed libelf package
1630 Equivalent to --with-libelf-include=PATH/include
1631 plus --with-libelf-lib=PATH/lib])
1633 AC_ARG_WITH(libelf_include, [ --with-libelf-include=PATH Specify directory for installed libelf include files])
1635 AC_ARG_WITH(libelf_lib, [ --with-libelf-lib=PATH Specify the directory for the installed libelf library])
1637 case $with_libelf in
1640 libelfinc="-I/usr/include/libelf"
1643 libelflibs="-L$with_libelf/lib -lelf"
1644 libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf"
1645 LIBS="$libelflibs $LIBS"
1649 if test "x$with_libelf_include" != x; then
1650 libelfinc="-I$with_libelf_include"
1653 if test "x$with_libelf_lib" != x; then
1654 libelflibs="-L$with_libelf_lib -lelf"
1655 LIBS="$libelflibs $LIBS"
1658 if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \
1659 && test -d ${srcdir}/libelf; then
1660 libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/.libs -L$$r/$(HOST_SUBDIR)/libelf/_libs -lelf '
1661 libelfinc='-I$$r/$(HOST_SUBDIR)/libelf/include -I$$s/libelf/include'
1662 LIBS="$libelflibs $LIBS"
1665 saved_CFLAGS="$CFLAGS"
1666 saved_CPPFLAGS="$CPPFLAGS"
1669 CFLAGS="$CFLAGS $libelfinc"
1670 CPPFLAGS="$CPPFLAGS $libelfinc"
1671 LIBS="$LIBS $libelflibs"
1673 AC_CHECK_HEADERS(libelf.h, [have_libelf_h=yes])
1674 AC_CHECK_HEADERS(gelf.h, [have_gelf_h=yes])
1676 AC_CHECK_HEADERS(libelf/libelf.h, [have_libelf_libelf_h=yes])
1677 AC_CHECK_HEADERS(libelf/gelf.h, [have_libelf_gelf_h=yes])
1679 # If we couldn't find libelf.h and the user forced it, emit an error.
1680 if test x"$have_libelf_h" != x"yes" \
1681 && test x"$have_libelf_libelf_h" != x"yes" ; then
1682 if test x"$default_enable_lto" != x"yes" ; then
1683 AC_MSG_ERROR([LTO support requires libelf.h or libelf/libelf.h.])
1691 # If we couldn't find gelf.h and the user forced it, emit an error.
1692 if test x"$have_gelf_h" != x"yes" \
1693 && test x"$have_libelf_gelf_h" != x"yes" ; then
1694 if test x"$default_enable_lto" != x"yes" ; then
1695 AC_MSG_ERROR([LTO support requires gelf.h or libelf/gelf.h.])
1703 # Check that the detected libelf has the functions we need. We cannot
1704 # rely on just detecting the headers since they do not include
1705 # versioning information. Add functions, if needed.
1706 if test x"$enable_lto" = x"yes" ; then
1707 AC_MSG_CHECKING([for the correct version of libelf])
1709 [#include <libelf.h>],[
1713 elf_strptr (0, 0, 0);
1714 elf_getident (0, 0);
1715 elf_getshdrstrndx (0, 0);
1716 elf_begin (0, 0, 0);
1720 [AC_MSG_RESULT([yes]);],
1721 [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
1724 # If we couldn't enable LTO and the user forced it, emit an error.
1725 if test x"$enable_lto" = x"no" \
1726 && test x"$default_enable_lto" != x"yes" ; then
1727 AC_MSG_ERROR([To enable LTO, GCC requires libelf v0.8.12+.
1728 Try the --with-libelf, --with-libelf-include and --with-libelf-lib options
1729 to specify its location.])
1733 CFLAGS="$saved_CFLAGS"
1734 CPPFLAGS="$saved_CPPFLAGS"
1737 # Flags needed for libelf.
1738 AC_SUBST(libelflibs)
1743 # By default, C is the only stage 1 language.
1744 stage1_languages=,c,
1746 # Target libraries that we bootstrap.
1747 bootstrap_target_libs=,target-libgcc,
1749 # Figure out what language subdirectories are present.
1750 # Look if the user specified --enable-languages="..."; if not, use
1751 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1753 # NB: embedded tabs in this IF block -- do not untabify
1754 if test -d ${srcdir}/gcc; then
1755 if test x"${enable_languages+set}" != xset; then
1756 if test x"${LANGUAGES+set}" = xset; then
1757 enable_languages="${LANGUAGES}"
1758 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1760 enable_languages=all
1763 if test x"${enable_languages}" = x ||
1764 test x"${enable_languages}" = xyes;
1766 echo configure.in: --enable-languages needs at least one language argument 1>&2
1770 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1772 # 'f95' is the old name for the 'fortran' language. We issue a warning
1773 # and make the substitution.
1774 case ,${enable_languages}, in
1776 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1777 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1781 # First scan to see if an enabled language requires some other language.
1782 # We assume that a given config-lang.in will list all the language
1783 # front ends it requires, even if some are required indirectly.
1784 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1785 case ${lang_frag} in
1787 # The odd quoting in the next line works around
1788 # an apparent bug in bash 1.12 on linux.
1789 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1791 # From the config-lang.in, get $language, $lang_requires
1795 for other in ${lang_requires} ; do
1796 case ,${enable_languages}, in
1800 echo " \`$other' language required by \`$language'; enabling" 1>&2
1801 enable_languages="${enable_languages},${other}"
1809 new_enable_languages=,c,
1811 # If LTO is enabled, add the LTO front end.
1812 extra_host_libiberty_configure_flags=
1813 if test "$enable_lto" = "yes" ; then
1814 new_enable_languages="${new_enable_languages}lto,"
1815 if test "${ENABLE_GOLD}" = "yes" ; then
1816 configdirs="$configdirs lto-plugin"
1817 extra_host_libiberty_configure_flags=--enable-shared
1820 AC_SUBST(extra_host_libiberty_configure_flags)
1822 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1823 potential_languages=,c,
1825 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1826 case ${lang_frag} in
1828 # The odd quoting in the next line works around
1829 # an apparent bug in bash 1.12 on linux.
1830 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1832 # From the config-lang.in, get $language, $target_libs,
1833 # $lang_dirs, $boot_language, and $build_by_default
1839 build_by_default=yes
1841 if test x${language} = x; then
1842 echo "${lang_frag} doesn't set \$language." 1>&2
1846 if test "$language" = "c++" -a "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1850 case ,${enable_languages}, in
1852 # Language was explicitly selected; include it.
1856 # 'all' was selected, select it if it is a default language
1857 add_this_lang=${build_by_default}
1864 # Disable languages that need other directories if these aren't available.
1865 for i in $subdir_requires; do
1866 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1867 case ,${enable_languages}, in
1869 # Specifically requested language; tell them.
1870 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1874 add_this_lang=unsupported
1879 # Disable Ada if no preexisting GNAT is available.
1880 case ,${enable_languages},:${language}:${have_gnat} in
1881 *,${language},*:ada:no)
1882 # Specifically requested language; tell them.
1883 AC_MSG_ERROR([GNAT is required to build $language])
1887 add_this_lang=unsupported
1891 # Disable a language that is unsupported by the target.
1892 case " $unsupported_languages " in
1894 add_this_lang=unsupported
1898 case $add_this_lang in
1900 # Remove language-dependent dirs.
1901 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1904 # Remove language-dependent dirs; still show language as supported.
1905 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1906 potential_languages="${potential_languages}${language},"
1909 new_enable_languages="${new_enable_languages}${language},"
1910 potential_languages="${potential_languages}${language},"
1911 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1912 case "${boot_language}:,$enable_stage1_languages," in
1913 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1914 # Add to (comma-separated) list of stage 1 languages.
1915 case ",$stage1_languages," in
1916 *,$language,* | ,yes, | ,all,) ;;
1917 *) stage1_languages="${stage1_languages}${language}," ;;
1919 # We need to bootstrap any supporting libraries.
1920 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1929 AC_ARG_ENABLE(stage1-languages,
1930 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1931 stage1. Mostly useful for compiler development.],
1932 [case ,${enable_stage1_languages}, in
1934 # Set it to something that will have no effect in the loop below
1935 enable_stage1_languages=c ;;
1937 enable_stage1_languages=`echo $new_enable_languages | \
1938 sed -e "s/^,//" -e "s/,$//" ` ;;
1940 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1941 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1944 # Add "good" languages from enable_stage1_languages to stage1_languages,
1945 # while "bad" languages go in missing_languages. Leave no duplicates.
1946 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1947 case $potential_languages in
1949 case $stage1_languages in
1951 *) stage1_languages="$stage1_languages$i," ;;
1954 case $missing_languages in
1956 *) missing_languages="$missing_languages$i," ;;
1961 # Remove leading/trailing commas that were added for simplicity
1962 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1963 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1964 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1965 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1967 if test "x$missing_languages" != x; then
1969 The following requested languages could not be built: ${missing_languages}
1970 Supported languages are: ${potential_languages}])
1972 if test "x$new_enable_languages" != "x$enable_languages"; then
1973 echo The following languages will be built: ${new_enable_languages}
1974 enable_languages="$new_enable_languages"
1977 AC_SUBST(stage1_languages)
1978 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1981 # Handle --disable-<component> generically.
1982 for dir in $configdirs $build_configdirs $target_configdirs ; do
1983 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1984 varname=`echo $dirname | sed -e s/+/_/g`
1985 if eval test x\${enable_${varname}} "=" xno ; then
1986 noconfigdirs="$noconfigdirs $dir"
1990 # Check for Boehm's garbage collector
1991 AC_ARG_ENABLE(objc-gc,
1992 [ --enable-objc-gc enable use of Boehm's garbage collector with the
1993 GNU Objective-C runtime],
1994 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1995 *,objc,*:*:yes:*target-boehm-gc*)
1996 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2000 # Make sure we only build Boehm's garbage collector if required.
2001 case ,${enable_languages},:${enable_objc_gc} in
2003 # Keep target-boehm-gc if requested for Objective-C.
2006 # Otherwise remove target-boehm-gc depending on target-libjava.
2007 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2008 noconfigdirs="$noconfigdirs target-boehm-gc"
2013 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2014 # $build_configdirs and $target_configdirs.
2015 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2018 for dir in . $skipdirs $noconfigdirs ; do
2019 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2020 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2021 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2022 if test -r $srcdir/$dirname/configure ; then
2023 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2026 notsupp="$notsupp $dir"
2030 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2031 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2032 if test -r $srcdir/$dirname/configure ; then
2033 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2036 notsupp="$notsupp $dir"
2040 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2041 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2042 if test -r $srcdir/$dirname/configure ; then
2043 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2046 notsupp="$notsupp $dir"
2052 # Sometimes the tools are distributed with libiberty but with no other
2053 # libraries. In that case, we don't want to build target-libiberty.
2054 # Don't let libgcc imply libiberty either.
2055 if test -n "${target_configdirs}" ; then
2058 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2059 if test "$i" = "libgcc"; then
2060 libgcc=target-libgcc
2061 elif test "$i" != "libiberty" ; then
2062 if test -r $srcdir/$i/configure ; then
2068 if test -z "${others}" ; then
2069 target_configdirs=$libgcc
2073 # Quietly strip out all directories which aren't configurable in this tree.
2074 # This relies on all configurable subdirectories being autoconfiscated, which
2076 build_configdirs_all="$build_configdirs"
2078 for i in ${build_configdirs_all} ; do
2079 j=`echo $i | sed -e s/build-//g`
2080 if test -f ${srcdir}/$j/configure ; then
2081 build_configdirs="${build_configdirs} $i"
2085 configdirs_all="$configdirs"
2087 for i in ${configdirs_all} ; do
2088 if test -f ${srcdir}/$i/configure ; then
2089 configdirs="${configdirs} $i"
2093 target_configdirs_all="$target_configdirs"
2095 for i in ${target_configdirs_all} ; do
2096 j=`echo $i | sed -e s/target-//g`
2097 if test -f ${srcdir}/$j/configure ; then
2098 target_configdirs="${target_configdirs} $i"
2102 # Produce a warning message for the subdirs we can't configure.
2103 # This isn't especially interesting in the Cygnus tree, but in the individual
2104 # FSF releases, it's important to let people know when their machine isn't
2105 # supported by the one or two programs in a package.
2107 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2108 # If $appdirs is non-empty, at least one of those directories must still
2109 # be configured, or we error out. (E.g., if the gas release supports a
2110 # specified target in some subdirs but not the gas subdir, we shouldn't
2111 # pretend that all is well.)
2112 if test -n "$appdirs" ; then
2113 for dir in $appdirs ; do
2114 if test -r $dir/Makefile.in ; then
2115 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2119 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2125 if test -n "$appdirs" ; then
2126 echo "*** This configuration is not supported by this package." 1>&2
2130 # Okay, some application will build, or we don't care to check. Still
2131 # notify of subdirs not getting built.
2132 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2133 echo " ${notsupp}" 1>&2
2134 echo " (Any other directories should still work fine.)" 1>&2
2142 # To find our prefix, in gcc_cv_tool_prefix.
2147 AC_ARG_WITH([build-sysroot],
2148 [ --with-build-sysroot=SYSROOT
2149 use sysroot as the system root during the build],
2150 [if test x"$withval" != x ; then
2151 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2153 [SYSROOT_CFLAGS_FOR_TARGET=])
2154 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2156 AC_ARG_WITH([debug-prefix-map],
2157 [ --with-debug-prefix-map='A=B C=D ...'
2158 map A to B, C to D ... in debug information],
2159 [if test x"$withval" != x; then
2160 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2161 for debug_map in $withval; do
2162 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2165 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2166 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2168 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2169 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2170 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2171 # We want to ensure that TARGET libraries (which we know are built with
2172 # gcc) are built with "-O2 -g", so include those options when setting
2173 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2174 if test "x$CFLAGS_FOR_TARGET" = x; then
2175 CFLAGS_FOR_TARGET=$CFLAGS
2178 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2181 *" -g "* | *" -g3 "*) ;;
2182 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2185 AC_SUBST(CFLAGS_FOR_TARGET)
2187 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2188 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2189 case " $CXXFLAGS " in
2191 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2193 case " $CXXFLAGS " in
2194 *" -g "* | *" -g3 "*) ;;
2195 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2198 AC_SUBST(CXXFLAGS_FOR_TARGET)
2200 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2201 # the named directory are copied to $(tooldir)/sys-include.
2202 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2203 if test x${is_cross_compiler} = xno ; then
2204 echo 1>&2 '***' --with-headers is only supported when cross compiling
2207 if test x"${with_headers}" != xyes ; then
2208 x=${gcc_cv_tool_prefix}
2209 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2213 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2214 # the name directories are copied to $(tooldir)/lib. Multiple directories
2216 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2217 if test x${is_cross_compiler} = xno ; then
2218 echo 1>&2 '***' --with-libs is only supported when cross compiling
2221 if test x"${with_libs}" != xyes ; then
2222 # Copy the libraries in reverse order, so that files in the first named
2223 # library override files in subsequent libraries.
2224 x=${gcc_cv_tool_prefix}
2225 for l in ${with_libs}; do
2226 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2231 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2233 # This is done by determining whether or not the appropriate directory
2234 # is available, and by checking whether or not specific configurations
2235 # have requested that this magic not happen.
2237 # The command line options always override the explicit settings in
2238 # configure.in, and the settings in configure.in override this magic.
2240 # If the default for a toolchain is to use GNU as and ld, and you don't
2241 # want to do that, then you should use the --without-gnu-as and
2242 # --without-gnu-ld options for the configure script. Similarly, if
2243 # the default is to use the included zlib and you don't want to do that,
2244 # you should use the --with-system-zlib option for the configure script.
2246 if test x${use_gnu_as} = x &&
2247 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2249 extra_host_args="$extra_host_args --with-gnu-as"
2252 if test x${use_gnu_ld} = x &&
2253 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2255 extra_host_args="$extra_host_args --with-gnu-ld"
2258 if test x${use_included_zlib} = x &&
2259 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2262 with_system_zlib=yes
2263 extra_host_args="$extra_host_args --with-system-zlib"
2266 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2267 # can detect this case.
2269 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2271 extra_host_args="$extra_host_args --with-newlib"
2274 # Handle ${copy_dirs}
2275 set fnord ${copy_dirs}
2277 while test $# != 0 ; do
2278 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2281 echo Copying $1 to $2
2283 # Use the install script to create the directory and all required
2284 # parent directories.
2285 if test -d $2 ; then
2289 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2292 # Copy the directory, assuming we have tar.
2293 # FIXME: Should we use B in the second tar? Not all systems support it.
2294 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2296 # It is the responsibility of the user to correctly adjust all
2297 # symlinks. If somebody can figure out how to handle them correctly
2298 # here, feel free to add the code.
2305 # Determine a target-dependent exec_prefix that the installed
2306 # gcc will search in. Keep this list sorted by triplet, with
2307 # the *-*-osname triplets last.
2311 md_exec_prefix=/gnu/lib/gcc-lib
2313 i[[34567]]86-pc-msdosdjgpp*)
2314 md_exec_prefix=/dev/env/DJDIR/bin
2316 i[[34567]]86-*-sco3.2v5*)
2317 if test $with_gnu_as = yes; then
2318 md_exec_prefix=/usr/gnu/bin
2320 md_exec_prefix=/usr/ccs/bin/elf
2325 powerpc-*-chorusos* | \
2326 powerpc*-*-eabi* | \
2327 powerpc*-*-sysv* | \
2328 powerpc*-*-kaos* | \
2330 md_exec_prefix=/usr/ccs/bin
2335 md_exec_prefix=/usr/ccs/bin
2350 md_exec_prefix=/usr/ccs/bin
2354 extra_arflags_for_target=
2355 extra_nmflags_for_target=
2356 extra_ranlibflags_for_target=
2357 target_makefile_frag=/dev/null
2360 target_makefile_frag="config/mt-mep"
2363 target_makefile_frag="config/mt-spu"
2366 target_makefile_frag="config/mt-sde"
2368 mipsisa*-*-elfoabi*)
2369 target_makefile_frag="config/mt-mips-elfoabi"
2371 mips*-*-*linux* | mips*-*-gnu*)
2372 target_makefile_frag="config/mt-mips-gnu"
2375 target_makefile_frag="config/mt-netware"
2377 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2378 target_makefile_frag="config/mt-gnu"
2380 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2381 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2382 # commands to handle both 32-bit and 64-bit objects. These flags are
2383 # harmless if we're using GNU nm or ar.
2384 extra_arflags_for_target=" -X32_64"
2385 extra_nmflags_for_target=" -B -X32_64"
2388 # ranlib from Darwin requires the -c flag to look at common symbols.
2389 extra_ranlibflags_for_target=" -c"
2391 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2392 target_makefile_frag="config/mt-wince"
2396 alphaieee_frag=/dev/null
2399 # This just makes sure to use the -mieee option to build target libs.
2400 # This should probably be set individually by each library.
2401 alphaieee_frag="config/mt-alphaieee"
2405 # If --enable-target-optspace always use -Os instead of -O2 to build
2406 # the target libraries, similarly if it is not specified, use -Os
2407 # on selected platforms.
2408 ospace_frag=/dev/null
2409 case "${enable_target_optspace}:${target}" in
2411 ospace_frag="config/mt-ospace"
2414 ospace_frag="config/mt-d30v"
2416 :m32r-* | :d10v-* | :fr30-*)
2417 ospace_frag="config/mt-ospace"
2422 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2426 # Default to using --with-stabs for certain targets.
2427 if test x${with_stabs} = x ; then
2429 mips*-*-irix[[56]]*)
2431 mips*-*-* | alpha*-*-osf*)
2433 extra_host_args="${extra_host_args} --with-stabs"
2438 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2439 # them automatically.
2442 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2446 # Some systems (e.g., one of the i386-aix systems the gas testers are
2447 # using) don't handle "\$" correctly, so don't use it here.
2448 tooldir='${exec_prefix}'/${target_noncanonical}
2449 build_tooldir=${tooldir}
2451 # Create a .gdbinit file which runs the one in srcdir
2452 # and tells GDB to look there for source files.
2454 if test -r ${srcdir}/.gdbinit ; then
2457 *) cat > ./.gdbinit <<EOF
2461 source ${srcdir}/.gdbinit
2467 # Make sure that the compiler is able to generate an executable. If it
2468 # can't, we are probably in trouble. We don't care whether we can run the
2469 # executable--we might be using a cross compiler--we only care whether it
2470 # can be created. At this point the main configure script has set CC.
2472 echo "int main () { return 0; }" > conftest.c
2473 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2474 if test $? = 0 ; then
2475 if test -s conftest || test -s conftest.exe ; then
2481 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2482 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2489 # The Solaris /usr/ucb/cc compiler does not appear to work.
2491 sparc-sun-solaris2*)
2492 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2493 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2495 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2496 if test -d /opt/cygnus/bin ; then
2497 if test "$could_use" = "" ; then
2498 could_use="/opt/cygnus/bin"
2500 could_use="$could_use or /opt/cygnus/bin"
2503 if test "$could_use" = "" ; then
2504 echo "Warning: compilation may fail because you're using"
2505 echo "/usr/ucb/cc. You should change your PATH or CC "
2506 echo "variable and rerun configure."
2508 echo "Warning: compilation may fail because you're using"
2509 echo "/usr/ucb/cc, when you should use the C compiler from"
2510 echo "$could_use. You should change your"
2511 echo "PATH or CC variable and rerun configure."
2517 # Decide which environment variable is used to find dynamic libraries.
2519 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2520 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2521 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2522 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2525 # On systems where the dynamic library environment variable is PATH,
2526 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2527 # built executables to PATH.
2528 if test "$RPATH_ENVVAR" = PATH; then
2529 GCC_SHLIB_SUBDIR=/shlib
2534 # Record target_configdirs and the configure arguments for target and
2535 # build configuration in Makefile.
2536 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2537 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2539 # Determine whether gdb needs tk/tcl or not.
2540 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2541 # and in that case we want gdb to be built without tk. Ugh!
2542 # In fact I believe gdb is the *only* package directly dependent on tk,
2543 # so we should be able to put the 'maybe's in unconditionally and
2544 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2545 # 100% sure that that's safe though.
2547 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2548 case "$enable_gdbtk" in
2552 GDB_TK="${gdb_tk}" ;;
2554 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2555 # distro. Eventually someone will fix this and move Insight, nee
2556 # gdbtk to a separate directory.
2557 if test -d ${srcdir}/gdb/gdbtk ; then
2564 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2565 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2567 # Strip out unwanted targets.
2569 # While at that, we remove Makefiles if we were started for recursive
2570 # configuration, so that the top-level Makefile reconfigures them,
2571 # like we used to do when configure itself was recursive.
2573 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2574 # but now we're fixing up the Makefile ourselves with the additional
2575 # commands passed to AC_CONFIG_FILES. Use separate variables
2576 # extrasub-{build,host,target} not because there is any reason to split
2577 # the substitutions up that way, but only to remain below the limit of
2578 # 99 commands in a script, for HP-UX sed.
2579 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2581 AC_ARG_ENABLE([bootstrap],
2582 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2583 enable_bootstrap=default)
2585 # Issue errors and warnings for invalid/strange bootstrap combinations.
2586 case "$configdirs" in
2587 *gcc*) have_compiler=yes ;;
2588 *) have_compiler=no ;;
2591 case "$have_compiler:$host:$target:$enable_bootstrap" in
2594 # Default behavior. Enable bootstrap if we have a compiler
2595 # and we are in a native configuration.
2596 yes:$build:$build:default)
2597 enable_bootstrap=yes ;;
2600 enable_bootstrap=no ;;
2602 # We have a compiler and we are in a native configuration, bootstrap is ok
2603 yes:$build:$build:yes)
2606 # Other configurations, but we have a compiler. Assume the user knows
2609 AC_MSG_WARN([trying to bootstrap a cross compiler])
2612 # No compiler: if they passed --enable-bootstrap explicitly, fail
2614 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2616 # Fail if wrong command line
2618 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2622 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2625 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2629 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2630 yes:yes:*\ gold\ *:*,c++,*) ;;
2631 yes:yes:*\ gold\ *:*)
2632 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2636 # Adjust the toplevel makefile according to whether bootstrap was selected.
2637 case $enable_bootstrap in
2639 bootstrap_suffix=bootstrap
2640 BUILD_CONFIG=bootstrap-debug
2643 bootstrap_suffix=no-bootstrap
2648 AC_MSG_CHECKING(for default BUILD_CONFIG)
2650 AC_ARG_WITH([build-config],
2651 [--with-build-config='NAME NAME2...'
2652 Use config/NAME.mk build configuration],
2653 [case $with_build_config in
2654 yes) with_build_config= ;;
2655 no) with_build_config= BUILD_CONFIG= ;;
2658 if test "x${with_build_config}" != x; then
2659 BUILD_CONFIG=$with_build_config
2661 case $BUILD_CONFIG in
2663 if echo "int f (void) { return 0; }" > conftest.c &&
2664 ${CC} -c conftest.c &&
2665 mv conftest.o conftest.o.g0 &&
2666 ${CC} -c -g conftest.c &&
2667 mv conftest.o conftest.o.g &&
2668 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g; then
2673 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2677 AC_MSG_RESULT($BUILD_CONFIG)
2678 AC_SUBST(BUILD_CONFIG)
2681 for module in ${build_configdirs} ; do
2682 if test -z "${no_recursion}" \
2683 && test -f ${build_subdir}/${module}/Makefile; then
2684 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2685 rm -f ${build_subdir}/${module}/Makefile
2687 extrasub_build="$extrasub_build
2688 /^@if build-$module\$/d
2689 /^@endif build-$module\$/d
2690 /^@if build-$module-$bootstrap_suffix\$/d
2691 /^@endif build-$module-$bootstrap_suffix\$/d"
2694 for module in ${configdirs} ; do
2695 if test -z "${no_recursion}"; then
2696 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2697 if test -f ${file}; then
2698 echo 1>&2 "*** removing ${file} to force reconfigure"
2703 extrasub_host="$extrasub_host
2705 /^@endif $module\$/d
2706 /^@if $module-$bootstrap_suffix\$/d
2707 /^@endif $module-$bootstrap_suffix\$/d"
2710 for module in ${target_configdirs} ; do
2711 if test -z "${no_recursion}" \
2712 && test -f ${target_subdir}/${module}/Makefile; then
2713 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2714 rm -f ${target_subdir}/${module}/Makefile
2717 # We only bootstrap target libraries listed in bootstrap_target_libs.
2718 case $bootstrap_target_libs in
2719 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2720 *) target_bootstrap_suffix=no-bootstrap ;;
2723 extrasub_target="$extrasub_target
2724 /^@if target-$module\$/d
2725 /^@endif target-$module\$/d
2726 /^@if target-$module-$target_bootstrap_suffix\$/d
2727 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2730 # Do the final fixup along with target modules.
2731 extrasub_target="$extrasub_target
2732 /^@if /,/^@endif /d"
2734 # Create the serialization dependencies. This uses a temporary file.
2736 AC_ARG_ENABLE([serial-configure],
2737 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2738 force sequential configuration of
2739 sub-packages for the host, target or build
2740 machine, or all sub-packages])
2742 case ${enable_serial_configure} in
2744 enable_serial_build_configure=yes
2745 enable_serial_host_configure=yes
2746 enable_serial_target_configure=yes
2750 # These force 'configure's to be done one at a time, to avoid problems
2751 # with contention over a shared config.cache.
2753 echo '# serdep.tmp' > serdep.tmp
2755 test "x${enable_serial_build_configure}" = xyes &&
2756 for item in ${build_configdirs} ; do
2759 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2764 test "x${enable_serial_host_configure}" = xyes &&
2765 for item in ${configdirs} ; do
2768 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2773 test "x${enable_serial_target_configure}" = xyes &&
2774 for item in ${target_configdirs} ; do
2777 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2781 serialization_dependencies=serdep.tmp
2782 AC_SUBST_FILE(serialization_dependencies)
2784 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2785 # target, nonopt, and variable assignments. These are the ones we
2786 # might not want to pass down to subconfigures. The exception being
2787 # --cache-file=/dev/null, which is used to turn off the use of cache
2788 # files altogether, and which should be passed on to subconfigures.
2789 # Also strip program-prefix, program-suffix, and program-transform-name,
2790 # so that we can pass down a consistent program-transform-name.
2794 eval "set -- $ac_configure_args"
2797 if test X"$skip_next" = X"yes"; then
2801 if test X"$keep_next" = X"yes"; then
2804 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2806 baseargs="$baseargs '$ac_arg'"
2811 # Handle separated arguments. Based on the logic generated by
2814 *=* | --config-cache | -C | -disable-* | --disable-* \
2815 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2816 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2817 | -with-* | --with-* | -without-* | --without-* | --x)
2829 --cache-file=/dev/null | \
2830 -cache-file=/dev/null )
2831 # Handled here to avoid the test to skip args below.
2832 baseargs="$baseargs '$ac_arg'"
2833 # Assert: $separate_arg should always be no.
2834 keep_next=$separate_arg
2850 -program-prefix* | \
2851 -program-suffix* | \
2852 -program-transform-name* )
2853 skip_next=$separate_arg
2857 # An option. Add it.
2860 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2862 baseargs="$baseargs '$ac_arg'"
2863 keep_next=$separate_arg
2866 # Either a variable assignment, or a nonopt (triplet). Don't
2867 # pass it down; let the Makefile handle this.
2872 # Remove the initial space we just introduced and, as these will be
2873 # expanded by make, quote '$'.
2874 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2876 # Add in --program-transform-name, after --program-prefix and
2877 # --program-suffix have been applied to it. Autoconf has already
2878 # doubled dollar signs and backslashes in program_transform_name; we want
2879 # the backslashes un-doubled, and then the entire thing wrapped in single
2880 # quotes, because this will be expanded first by make and then by the shell.
2881 # Also, because we want to override the logic in subdir configure scripts to
2882 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2883 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2884 ${program_transform_name}
2886 gcc_transform_name=`cat conftestsed.out`
2887 rm -f conftestsed.out
2888 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2889 if test "$silent" = yes; then
2890 baseargs="$baseargs --silent"
2892 baseargs="$baseargs --disable-option-checking"
2894 # For the build-side libraries, we just need to pretend we're native,
2895 # and not use the same cache file. Multilibs are neither needed nor
2897 build_configargs="--cache-file=../config.cache ${baseargs}"
2899 # For host modules, accept cache file option, or specification as blank.
2900 case "${cache_file}" in
2902 cache_file_option="" ;;
2903 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2904 cache_file_option="--cache-file=${cache_file}" ;;
2906 cache_file_option="--cache-file=../${cache_file}" ;;
2909 # Host dirs don't like to share a cache file either, horribly enough.
2910 # This seems to be due to autoconf 2.5x stupidity.
2911 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2913 target_configargs=${baseargs}
2915 # Passing a --with-cross-host argument lets the target libraries know
2916 # whether they are being built with a cross-compiler or being built
2917 # native. However, it would be better to use other mechanisms to make the
2918 # sorts of decisions they want to make on this basis. Please consider
2919 # this option to be deprecated. FIXME.
2920 if test x${is_cross_compiler} = xyes ; then
2921 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2924 # Default to --enable-multilib.
2925 if test x${enable_multilib} = x ; then
2926 target_configargs="--enable-multilib ${target_configargs}"
2929 # Pass --with-newlib if appropriate. Note that target_configdirs has
2930 # changed from the earlier setting of with_newlib.
2931 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2932 target_configargs="--with-newlib ${target_configargs}"
2935 # Different target subdirs use different values of certain variables
2936 # (notably CXX). Worse, multilibs use *lots* of different values.
2937 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2938 # it doesn't automatically accept command-line overrides of them.
2939 # This means it's not safe for target subdirs to share a cache file,
2940 # which is disgusting, but there you have it. Hopefully this can be
2941 # fixed in future. It's still worthwhile to use a cache file for each
2942 # directory. I think.
2944 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2945 # We need to pass --target, as newer autoconf's requires consistency
2946 # for target_alias and gcc doesn't manage it consistently.
2947 target_configargs="--cache-file=./config.cache ${target_configargs}"
2950 case " $target_configdirs " in
2952 case " $target_configargs " in
2953 *" --with-newlib "*)
2956 FLAGS_FOR_TARGET=$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' ;;
2959 # If we're not building GCC, don't discard standard headers.
2960 if test -d ${srcdir}/gcc; then
2961 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2963 if test "${build}" != "${host}"; then
2964 # On Canadian crosses, CC_FOR_TARGET will have already been set
2965 # by `configure', so we won't have an opportunity to add -Bgcc/
2966 # to it. This is right: we don't want to search that directory
2967 # for binaries, but we want the header files in there, so add
2969 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2971 # Someone might think of using the pre-installed headers on
2972 # Canadian crosses, in case the installed compiler is not fully
2973 # compatible with the compiler being built. In this case, it
2974 # would be better to flag an error than risking having
2975 # incompatible object files being constructed. We can't
2976 # guarantee that an error will be flagged, but let's hope the
2977 # compiler will do it, when presented with incompatible header
2982 case "${target}-${is_cross_compiler}" in
2983 i[[3456789]]86-*-linux*-no)
2984 # Here host == target, so we don't need to build gcc,
2985 # so we don't want to discard standard headers.
2986 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2989 # If we're building newlib, use its generic headers last, but search
2990 # for any libc-related directories first (so make it the last -B
2992 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2994 # If we're building libgloss, find the startup file, simulator library
2995 # and linker script.
2996 case " $target_configdirs " in
2998 # Look for startup file, simulator library and maybe linker script.
2999 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3000 # Look for libnosys.a in case the target needs it.
3001 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3002 # Most targets have the linker script in the source directory.
3003 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3014 # Can't be handled as Cygwin above since Mingw does not use newlib.
3015 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
3018 # Allow the user to override the flags for
3019 # our build compiler if desired.
3020 if test x"${build}" = x"${host}" ; then
3021 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3022 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3023 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3026 # On Canadian crosses, we'll be searching the right directories for
3027 # the previously-installed cross compiler, so don't bother to add
3028 # flags for directories within the install tree of the compiler
3029 # being built; programs in there won't even run.
3030 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3031 # Search for pre-installed headers if nothing else fits.
3032 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3035 if test "x${use_gnu_ld}" = x &&
3036 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3037 # Arrange for us to find uninstalled linker scripts.
3038 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3041 # Search for other target-specific linker scripts and such.
3044 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3048 # Makefile fragments.
3049 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3051 eval fragval=\$$frag
3052 if test $fragval != /dev/null; then
3053 eval $frag=${srcdir}/$fragval
3056 AC_SUBST_FILE(host_makefile_frag)
3057 AC_SUBST_FILE(target_makefile_frag)
3058 AC_SUBST_FILE(alphaieee_frag)
3059 AC_SUBST_FILE(ospace_frag)
3061 # Miscellanea: directories, flags, etc.
3062 AC_SUBST(RPATH_ENVVAR)
3063 AC_SUBST(GCC_SHLIB_SUBDIR)
3065 AC_SUBST(build_tooldir)
3066 AC_SUBST(CONFIGURE_GDB_TK)
3068 AC_SUBST(INSTALL_GDB_TK)
3070 # Build module lists & subconfigure args.
3071 AC_SUBST(build_configargs)
3072 AC_SUBST(build_configdirs)
3074 # Host module lists & subconfigure args.
3075 AC_SUBST(host_configargs)
3076 AC_SUBST(configdirs)
3078 # Target module lists & subconfigure args.
3079 AC_SUBST(target_configargs)
3083 AC_SUBST(AR_FOR_BUILD)
3084 AC_SUBST(AS_FOR_BUILD)
3085 AC_SUBST(CC_FOR_BUILD)
3086 AC_SUBST(CFLAGS_FOR_BUILD)
3087 AC_SUBST(CXXFLAGS_FOR_BUILD)
3088 AC_SUBST(CXX_FOR_BUILD)
3089 AC_SUBST(DLLTOOL_FOR_BUILD)
3090 AC_SUBST(GCJ_FOR_BUILD)
3091 AC_SUBST(GFORTRAN_FOR_BUILD)
3092 AC_SUBST(LDFLAGS_FOR_BUILD)
3093 AC_SUBST(LD_FOR_BUILD)
3094 AC_SUBST(NM_FOR_BUILD)
3095 AC_SUBST(RANLIB_FOR_BUILD)
3096 AC_SUBST(WINDMC_FOR_BUILD)
3097 AC_SUBST(WINDRES_FOR_BUILD)
3098 AC_SUBST(config_shell)
3100 # Generate default definitions for YACC, M4, LEX and other programs that run
3101 # on the build machine. These are used if the Makefile can't locate these
3102 # programs in objdir.
3103 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3105 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3106 case " $build_configdirs " in
3107 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3108 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3111 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3112 case " $build_configdirs " in
3113 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3116 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3117 case " $build_configdirs " in
3118 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3121 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3122 case " $build_configdirs " in
3123 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3124 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3127 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3128 case " $build_configdirs " in
3129 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3132 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3133 case " $build_configdirs " in
3134 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3137 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3138 # higher, else we use the "missing" dummy.
3139 if ${MAKEINFO} --version \
3140 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3143 MAKEINFO="$MISSING makeinfo"
3149 # FIXME: expect and dejagnu may become build tools?
3151 AC_CHECK_PROGS(EXPECT, expect, expect)
3152 case " $configdirs " in
3154 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3158 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3159 case " $configdirs " in
3161 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3167 NCN_STRICT_CHECK_TOOLS(AR, ar)
3168 NCN_STRICT_CHECK_TOOLS(AS, as)
3169 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3170 NCN_STRICT_CHECK_TOOLS(LD, ld)
3171 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3172 NCN_STRICT_CHECK_TOOLS(NM, nm)
3173 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
3174 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
3175 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3176 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3177 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3178 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3185 AC_ARG_WITH([build-time-tools],
3186 [ --with-build-time-tools=PATH
3187 use given path to find target tools during the build],
3188 [case x"$withval" in
3191 with_build_time_tools=
3192 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3195 [with_build_time_tools=])
3197 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3198 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3199 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3200 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3201 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3203 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3204 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3205 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3206 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3207 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3208 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3209 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3210 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
3211 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3212 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3213 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3215 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3217 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3218 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3219 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3220 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3221 [gcc/g++ -B$$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],
3223 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3224 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3226 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3227 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3228 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3229 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3230 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3231 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3232 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3233 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3234 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3235 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3236 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3237 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3238 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3239 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3241 AC_SUBST(FLAGS_FOR_TARGET)
3242 AC_SUBST(RAW_CXX_FOR_TARGET)
3244 # Certain tools may need extra flags.
3245 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3246 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3247 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3249 # When building target libraries, except in a Canadian cross, we use
3250 # the same toolchain as the compiler we just built.
3251 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3252 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3253 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3254 if test $host = $build; then
3255 case " $configdirs " in
3257 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3258 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3259 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3264 AC_SUBST(COMPILER_AS_FOR_TARGET)
3265 AC_SUBST(COMPILER_LD_FOR_TARGET)
3266 AC_SUBST(COMPILER_NM_FOR_TARGET)
3268 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3269 AC_ARG_ENABLE(maintainer-mode,
3270 [ --enable-maintainer-mode enable make rules and dependencies not useful
3271 (and sometimes confusing) to the casual installer],
3272 USE_MAINTAINER_MODE=$enableval,
3273 USE_MAINTAINER_MODE=no)
3274 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3275 AC_SUBST(MAINTAINER_MODE_TRUE)
3276 AC_SUBST(MAINTAINER_MODE_FALSE)
3277 if test "$USE_MAINTAINER_MODE" = yes; then
3278 MAINTAINER_MODE_TRUE=
3279 MAINTAINER_MODE_FALSE='#'
3281 MAINTAINER_MODE_TRUE='#'
3282 MAINTAINER_MODE_FALSE=
3284 MAINT=$MAINTAINER_MODE_TRUE
3287 # ---------------------
3288 # GCC bootstrap support
3289 # ---------------------
3291 # Stage specific cflags for build.
3296 yes) stage1_cflags="-g -Wa,-J" ;;
3297 *) stage1_cflags="-g -J" ;;
3301 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3302 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3303 saved_CFLAGS="$CFLAGS"
3305 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3306 CFLAGS="$CFLAGS -fkeep-inline-functions"
3307 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3309 #if (__GNUC__ < 3) \
3310 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3311 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3312 #error http://gcc.gnu.org/PR29382
3315 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3316 [AC_MSG_RESULT([no])])
3318 CFLAGS="$saved_CFLAGS"
3321 AC_SUBST(stage1_cflags)
3323 # Enable --enable-checking in stage1 of the compiler.
3324 AC_ARG_ENABLE(stage1-checking,
3325 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3327 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3328 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3329 stage1_checking=--enable-checking=yes,types
3331 stage1_checking=--enable-checking=$enable_checking,types
3333 AC_SUBST(stage1_checking)
3335 # Enable -Werror in bootstrap stage2 and later.
3336 AC_ARG_ENABLE(werror,
3337 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3338 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3343 case ${enable_werror} in
3344 yes) stage2_werror_flag="--enable-werror-always" ;;
3345 *) stage2_werror_flag="" ;;
3347 AC_SUBST(stage2_werror_flag)
3349 # Specify what files to not compare during bootstrap.
3351 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3353 hppa*64*-*-hpux*) ;;
3354 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3356 AC_SUBST(compare_exclusions)
3358 AC_CONFIG_FILES([Makefile],
3359 [sed "$extrasub_build" Makefile |
3360 sed "$extrasub_host" |
3361 sed "$extrasub_target" > mf$$
3362 mv -f mf$$ Makefile],
3363 [extrasub_build="$extrasub_build"
3364 extrasub_host="$extrasub_host"
3365 extrasub_target="$extrasub_target"])