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)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
32 AC_INIT(move-if-change)
34 AC_DISABLE_OPTION_CHECKING
37 # if PWD already has a value, it is probably wrong.
38 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
40 # Export original configure arguments for use by sub-configures.
41 # Quote arguments with shell meta charatcers.
42 TOPLEVEL_CONFIGURE_ARGUMENTS=
43 set -- "$progname" "$@"
47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
49 # if the argument is of the form -foo=baz, quote the baz part only
50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 # Add the quoted argument to the list.
54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
56 if test "$silent" = yes; then
57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
59 # Remove the initial space we just introduced and, as these will be
60 # expanded by make, quote '$'.
61 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
62 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
64 # Find the build, host, and target systems.
65 ACX_NONCANONICAL_BUILD
67 ACX_NONCANONICAL_TARGET
69 dnl Autoconf 2.5x and later will set a default program prefix if
70 dnl --target was used, even if it was the same as --host. Disable
71 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
73 test "$host_noncanonical" = "$target_noncanonical" &&
74 test "$program_prefix$program_suffix$program_transform_name" = \
76 program_transform_name=s,y,y,
81 m4_pattern_allow([^AS_FOR_TARGET$])dnl
82 m4_pattern_allow([^AS_FOR_BUILD$])dnl
84 # Get 'install' or 'install-sh' and its variants.
91 ### we might need to use some other shell than /bin/sh for running subshells
92 ### If we are on Windows, search for the shell. This will permit people
93 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
94 ### without also having to set CONFIG_SHELL. This code will work when
95 ### using bash, which sets OSTYPE.
98 if test x${CONFIG_SHELL} = x ; then
99 if test ! -f /bin/sh ; then
100 if test x${SHELL} != x && test -f ${SHELL} ; then
101 CONFIG_SHELL=${SHELL}
104 for prog in sh sh.exe bash bash.exe; do
105 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
107 test -z "$dir" && dir=.
108 if test -f $dir/$prog; then
109 CONFIG_SHELL=$dir/$prog
115 test -n "${CONFIG_SHELL}" && break
123 config_shell=${CONFIG_SHELL-/bin/sh}
125 moveifchange=${srcdir}/move-if-change
127 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
129 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
131 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
132 INSTALL="${srcpwd}/install-sh -c"
135 # Set srcdir to "." if that's what it is.
136 # This is important for multilib support.
138 if test "${pwd}" = "${srcpwd}" ; then
146 ### To add a new directory to the tree, first choose whether it is a target
147 ### or a host dependent tool. Then put it into the appropriate list
148 ### (library or tools, host or target), doing a dependency sort.
150 # Subdirs will be configured in the order listed in build_configdirs,
151 # configdirs, or target_configdirs; see the serialization section below.
153 # Dependency sorting is only needed when *configuration* must be done in
154 # a particular order. In all cases a dependency should be specified in
155 # the Makefile, whether or not it's implicitly specified here.
157 # Double entries in build_configdirs, configdirs, or target_configdirs may
158 # cause circular dependencies and break everything horribly.
160 # these library is used by various programs built for the build
163 build_libs="build-libiberty"
165 # these tools are built for the build environment
166 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
168 # these libraries are used by various programs built for the host environment
170 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
172 # these tools are built for the host environment
173 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
174 # know that we are building the simulator.
175 # binutils, gas and ld appear in that order because it makes sense to run
176 # "make check" in that particular order.
177 # If --enable-gold is used, "gold" will replace "ld".
178 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"
180 # libgcj represents the runtime libraries only used by gcj.
181 libgcj="target-libffi \
186 # these libraries are built for the target environment, and are built after
187 # the host libraries and the host tools (which may be a cross compiler)
189 target_libraries="target-libgcc \
194 target-libstdc++-v3 \
203 # these tools are built using the target libraries, and are intended to
204 # run only in the target environment
206 # note: any program that *uses* libraries that are in the "target_libraries"
207 # list belongs in this list. those programs are also very likely
208 # candidates for the "native_only" list which follows
210 target_tools="target-examples target-groff target-gperf target-rda"
212 ################################################################################
214 ## All tools belong in one of the four categories, and are assigned above
215 ## We assign ${configdirs} this way to remove all embedded newlines. This
216 ## is important because configure will choke if they ever get through.
217 ## ${configdirs} is directories we build using the host tools.
218 ## ${target_configdirs} is directories we build using the target tools.
219 configdirs=`echo ${host_libs} ${host_tools}`
220 target_configdirs=`echo ${target_libraries} ${target_tools}`
221 build_configdirs=`echo ${build_libs} ${build_tools}`
223 m4_divert_text([PARSE_ARGS],
224 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
227 ################################################################################
229 srcname="gnu development package"
231 # This gets set non-empty for some net releases of packages.
234 # Define is_cross_compiler to save on calls to 'test'.
236 if test x"${host}" = x"${target}" ; then
239 is_cross_compiler=yes
242 # Find the build and target subdir names.
244 # Be sure to cover against remnants of an in-tree build.
245 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
246 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
247 Use a pristine source tree when building in a separate tree])
250 # Skipdirs are removed silently.
252 # Noconfigdirs are removed loudly.
256 # Make sure we don't let GNU ld be added if we didn't want it.
257 if test x$with_gnu_ld = xno ; then
259 noconfigdirs="$noconfigdirs ld gold"
263 # Make sure we don't let GNU as be added if we didn't want it.
264 if test x$with_gnu_as = xno ; then
266 noconfigdirs="$noconfigdirs gas"
270 # Make sure we don't let ZLIB be added if we didn't want it.
271 if test x$with_system_zlib = xyes ; then
273 noconfigdirs="$noconfigdirs zlib"
276 # some tools are so dependent upon X11 that if we're not building with X,
277 # it's not even worth trying to configure, much less build, that tool.
280 yes | "") ;; # the default value for this tree is that X11 is available
282 skipdirs="${skipdirs} tk itcl libgui"
283 # We won't be able to build gdbtk without X.
286 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
289 # Some tools are only suitable for building in a "native" situation.
290 # Remove these if host!=target.
291 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"
293 # Similarly, some are only suitable for cross toolchains.
294 # Remove these if host=target.
295 cross_only="target-libgloss target-newlib target-opcodes"
297 case $is_cross_compiler in
298 no) skipdirs="${skipdirs} ${cross_only}" ;;
299 yes) skipdirs="${skipdirs} ${native_only}" ;;
302 # If both --with-headers and --with-libs are specified, default to
304 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
305 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
306 if test x"${with_newlib}" = x ; then
311 # Recognize --with-newlib/--without-newlib.
312 case ${with_newlib} in
313 no) skipdirs="${skipdirs} target-newlib" ;;
314 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
317 # Handle --enable-gold.
320 [ --enable-gold use gold instead of ld],
321 ENABLE_GOLD=$enableval,
323 if test "${ENABLE_GOLD}" = "yes"; then
324 # Check for ELF target.
327 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
328 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
329 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
331 *-*-linux*aout* | *-*-linux*oldld*)
339 if test "$is_elf" = "yes"; then
340 # Check for target supported by gold.
342 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
343 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
349 # Configure extra directories which are host specific
353 configdirs="$configdirs libtermcap" ;;
356 # A target can indicate whether a language isn't supported for some reason.
357 # Only spaces may be used in this macro; not newlines or tabs.
358 unsupported_languages=
360 # Remove more programs from consideration, based on the host or
361 # target this usually means that a port of the program doesn't
366 noconfigdirs="$noconfigdirs byacc"
368 i[[3456789]]86-*-vsta)
369 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
371 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
372 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
375 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
377 i[[3456789]]86-*-mingw32*)
378 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
379 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
381 i[[3456789]]86-*-beos*)
382 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
385 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
388 noconfigdirs="$noconfigdirs rcs"
391 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
394 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
399 AC_ARG_ENABLE(libada,
400 [ --enable-libada build libada directory],
401 ENABLE_LIBADA=$enableval,
403 if test "${ENABLE_LIBADA}" != "yes" ; then
404 noconfigdirs="$noconfigdirs gnattools"
407 AC_ARG_ENABLE(libssp,
408 [ --enable-libssp build libssp directory],
409 ENABLE_LIBSSP=$enableval,
412 # Save it here so that, even in case of --enable-libgcj, if the Java
413 # front-end isn't enabled, we still get libgcj disabled.
415 case $enable_libgcj in
417 # If we reset it here, it won't get added to noconfigdirs in the
418 # target-specific build rules, so it will be forcibly enabled
419 # (unless the Java language itself isn't enabled).
423 # Make sure we get it printed in the list of not supported target libs.
424 noconfigdirs="$noconfigdirs ${libgcj}"
429 # Disable libmudflap on some systems.
430 if test x$enable_libmudflap = x ; then
432 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
433 # Enable libmudflap by default in GNU and friends.
436 # Enable libmudflap by default in FreeBSD.
439 # Disable it by default everywhere else.
440 noconfigdirs="$noconfigdirs target-libmudflap"
445 # Disable libgomp on non POSIX hosted systems.
446 if test x$enable_libgomp = x ; then
447 # Enable libgomp by default on hosted POSIX systems.
449 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
451 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
453 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
455 *-*-darwin* | *-*-aix*)
458 noconfigdirs="$noconfigdirs target-libgomp"
463 # Default libgloss CPU subdirectory.
464 libgloss_dir="$target_cpu"
468 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
471 noconfigdirs="$noconfigdirs ld gas gdb gprof"
472 noconfigdirs="$noconfigdirs sim target-rda"
474 i[[3456789]]86-*-darwin*)
475 noconfigdirs="$noconfigdirs ld gprof"
476 noconfigdirs="$noconfigdirs sim target-rda"
478 x86_64-*-darwin[[912]]*)
479 noconfigdirs="$noconfigdirs ld gas gprof"
480 noconfigdirs="$noconfigdirs sim target-rda"
483 noconfigdirs="$noconfigdirs ld gas gdb gprof"
484 noconfigdirs="$noconfigdirs sim target-rda"
485 noconfigdirs="$noconfigdirs ${libgcj}"
487 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
488 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
491 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
492 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
493 && test -f /usr/local/include/gmp.h; then
497 # Skip some stuff that's unsupported on some FreeBSD configurations.
503 noconfigdirs="$noconfigdirs ${libgcj}"
508 # Remove unsupported stuff on all kaOS configurations.
509 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
510 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
511 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
512 noconfigdirs="$noconfigdirs target-libgloss"
515 # Skip some stuff on all NetBSD configurations.
516 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
518 # Skip some stuff that's unsupported on some NetBSD configurations.
520 i*86-*-netbsdelf*) ;;
521 arm*-*-netbsdelf*) ;;
523 noconfigdirs="$noconfigdirs ${libgcj}"
528 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
531 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
533 # The tpf target doesn't support gdb yet.
535 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
538 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
541 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
544 # ld works, but does not support shared libraries.
545 # newlib is not 64 bit ready. I'm not sure about fileutils.
546 # gas doesn't generate exception information.
547 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
550 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
553 # newlib is not 64 bit ready
554 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
557 # newlib is not 64 bit ready
558 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
561 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
564 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
566 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
567 noconfigdirs="$noconfigdirs ${libgcj}"
568 noconfigdirs="$noconfigdirs target-examples"
569 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
570 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
571 noconfigdirs="$noconfigdirs expect dejagnu"
572 # the C++ libraries don't build on top of CE's C libraries
573 noconfigdirs="$noconfigdirs target-libstdc++-v3"
574 noconfigdirs="$noconfigdirs target-newlib"
576 *-*-cygwin*) ;; # keep gdb and readline
577 *) noconfigdirs="$noconfigdirs gdb readline"
583 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
587 arm-*-coff | strongarm-*-coff | xscale-*-coff)
588 noconfigdirs="$noconfigdirs ${libgcj}"
591 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
592 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
595 arm*-*-linux-gnueabi)
596 noconfigdirs="$noconfigdirs target-qthreads"
597 case ${with_newlib} in
598 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
603 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
607 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
610 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
613 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
616 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
619 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
622 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
625 unsupported_languages="$unsupported_languages java"
626 noconfigdirs="$noconfigdirs target-boehm-gc gdb"
627 if test x${is_cross_compiler} != xno ; then
628 target_configdirs="${target_configdirs} target-bsp target-cygmon"
632 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
634 c54x*-*-* | tic54x-*-*)
635 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
638 noconfigdirs="$noconfigdirs ${libgcj} gdb"
640 cris-*-* | crisv32-*-*)
641 unsupported_languages="$unsupported_languages java"
644 unsupported_languages="$unsupported_languages fortran"
645 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
647 noconfigdirs="$noconfigdirs target-boehm-gc";;
649 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
651 unsupported_languages="$unsupported_languages fortran"
652 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
657 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
660 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
663 noconfigdirs="$noconfigdirs ${libgcj} gdb"
665 ep9312-*-elf | ep9312-*-coff)
669 noconfigdirs="$noconfigdirs ${libgcj} gdb"
672 noconfigdirs="$noconfigdirs ${libgcj}"
675 noconfigdirs="$noconfigdirs ${libgcj}"
676 noconfigdirs="$noconfigdirs gprof"
679 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
682 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
684 hppa1.1-*-osf* | hppa1.1-*-bsd* )
686 hppa*64*-*-linux* | parisc*64*-*-linux*)
687 # In this case, it's because the hppa64-linux target is for
688 # the kernel only at this point and has no libc, and thus no
689 # headers, crt*.o, etc., all of which are needed by these.
690 noconfigdirs="$noconfigdirs target-zlib"
692 parisc*-*-linux* | hppa*-*-linux*)
698 noconfigdirs="$noconfigdirs ${libgcj}"
701 noconfigdirs="$noconfigdirs ld shellutils"
707 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
708 # build on HP-UX 10.20.
709 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
712 noconfigdirs="$noconfigdirs ${libgcj} gdb"
715 # No gdb support yet.
716 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
719 # No gdb or ld support yet.
720 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
723 # No gdb or ld support yet.
724 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
728 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
729 noconfigdirs="$noconfigdirs ${libgcj}"
732 i[[3456789]]86-*-linux*)
733 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
734 # not build java stuff by default.
737 noconfigdirs="$noconfigdirs ${libgcj}";;
740 # This section makes it possible to build newlib natively on linux.
741 # If we are using a cross compiler then don't configure newlib.
742 if test x${is_cross_compiler} != xno ; then
743 noconfigdirs="$noconfigdirs target-newlib"
745 noconfigdirs="$noconfigdirs target-libgloss"
746 # If we are not using a cross compiler, do configure newlib.
747 # Note however, that newlib will only be configured in this situation
748 # if the --with-newlib option has been given, because otherwise
749 # 'target-newlib' will appear in skipdirs.
751 i[[3456789]]86-w64-mingw*)
752 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
754 i[[3456789]]86-*-mingw*)
755 target_configdirs="$target_configdirs target-winsup"
756 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
759 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
762 target_configdirs="$target_configdirs target-libtermcap target-winsup"
763 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
764 # always build newlib if winsup directory is present.
765 if test -d "$srcdir/winsup/cygwin"; then
766 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
767 elif test -d "$srcdir/newlib"; then
768 echo "Warning: winsup/cygwin is missing so newlib can't be built."
771 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
772 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
775 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
777 i[[3456789]]86-*-sco3.2v5*)
778 # The linker does not yet know about weak symbols in COFF,
779 # and is not configured to handle mixed ELF and COFF.
780 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
782 i[[3456789]]86-*-sco*)
783 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
785 i[[3456789]]86-*-solaris2*)
786 noconfigdirs="$noconfigdirs target-libgloss"
788 i[[3456789]]86-*-sysv4*)
789 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
791 i[[3456789]]86-*-beos*)
792 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
794 i[[3456789]]86-*-rdos*)
795 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
798 noconfigdirs="$noconfigdirs ${libgcj}"
800 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
801 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
805 noconfigdirs="$noconfigdirs ${libgcj}"
808 noconfigdirs="$noconfigdirs ${libgcj}"
814 # The EPOC C++ environment does not support exceptions or rtti,
815 # and so building libstdc++-v3 tends not to always work.
816 noconfigdirs="$noconfigdirs target-libstdc++-v3"
819 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
820 unsupported_languages="$unsupported_languages fortran java"
823 noconfigdirs="$noconfigdirs ${libgcj}"
826 noconfigdirs="$noconfigdirs ${libgcj}"
829 noconfigdirs="$noconfigdirs sim"
832 # copied from rs6000-*-* entry
833 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
835 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
836 target_configdirs="$target_configdirs target-winsup"
837 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
838 # always build newlib.
839 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
841 # This is temporary until we can link against shared libraries
842 powerpcle-*-solaris*)
843 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
847 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
850 noconfigdirs="$noconfigdirs ${libgcj}"
853 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
857 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
860 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
863 noconfigdirs="$noconfigdirs gprof ${libgcj}"
866 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
869 noconfigdirs="$noconfigdirs gprof ${libgcj}"
872 skipdirs="$skipdirs target-libiberty"
873 noconfigdirs="$noconfigdirs ${libgcj}"
874 if test x$with_newlib = xyes; then
875 noconfigdirs="$noconfigdirs gprof"
880 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
883 # Linking libjava exceeds command-line length limits on at least
884 # IRIX 6.2, but not on IRIX 6.5.
885 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
886 # <oldham@codesourcery.com>
887 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
890 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
893 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
896 noconfigdirs="$noconfigdirs gprof ${libgcj}"
900 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
904 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
905 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
906 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
907 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
911 noconfigdirs="$noconfigdirs ${libgcj}" ;;
913 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
916 sparclet-*-aout* | sparc86x-*-*)
920 noconfigdirs="$noconfigdirs ${libgcj}"
923 noconfigdirs="$noconfigdirs ${libgcj}"
927 noconfigdirs="$noconfigdirs ${libgcj}"
931 noconfigdirs="$noconfigdirs ${libgcj}"
932 if test x${is_cross_compiler} != xno ; then
933 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
938 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
939 noconfigdirs="$noconfigdirs ${libgcj}"
941 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
944 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
947 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
950 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
953 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
956 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
959 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
962 noconfigdirs="$noconfigdirs ${libgcj}"
965 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
967 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
968 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
971 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
974 noconfigdirs="$noconfigdirs ${libgcj}"
978 # If we aren't building newlib, then don't build libgloss, since libgloss
979 # depends upon some newlib header files.
980 case "${noconfigdirs}" in
981 *target-libgloss*) ;;
982 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
985 # Work in distributions that contain no compiler tools, like Autoconf.
987 host_makefile_frag=/dev/null
988 if test -d ${srcdir}/config ; then
991 # Avoid "too much defining" errors from HPUX compiler.
992 tentative_cc="cc -Wp,-H256000"
993 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
994 # If it's HP/UX ar, this should be harmless.
998 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1001 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1002 # chokes on bfd, the compiler won't let you assign integers to enums, and
1003 # other problems. Defining CC to gcc is a questionable way to say "don't use
1004 # the apollo compiler" (the preferred version of GCC could be called cc,
1005 # or whatever), but I'm not sure leaving CC as cc is any better...
1006 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1007 # Used to have BISON=yacc.
1011 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1014 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1015 tentative_cc="cc -Xa"
1016 host_makefile_frag="config/mh-cxux"
1018 m88k-motorola-sysv*)
1021 tentative_cc="cc -Wf,-XNg1000"
1022 host_makefile_frag="config/mh-decstation"
1025 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1026 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1027 host_makefile_frag="config/mh-necv4"
1030 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1031 # environment. Also bump switch table size so that cp-parse will
1032 # compile. Bump string length limit so linker builds.
1033 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1036 host_makefile_frag="config/mh-sysv4"
1039 # This is for a MIPS running RISC/os 4.52C.
1041 # This is needed for GDB, but needs to be in the top-level make because
1042 # if a library is compiled with the bsd headers and gets linked with the
1043 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1044 # a different size).
1045 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1046 # known except to select the sysv environment. Could we use /proc instead?
1047 # These "sysv environments" and "bsd environments" often end up being a pain.
1049 # This is not part of CFLAGS because perhaps not all C compilers have this
1051 tentative_cc="cc -systype sysv"
1056 i[[3456789]]86-*-sysv5*)
1057 host_makefile_frag="config/mh-sysv5"
1059 i[[3456789]]86-*-dgux*)
1060 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1061 host_makefile_frag="config/mh-dgux386"
1063 i[[3456789]]86-ncr-sysv4.3*)
1064 # The MetaWare compiler will generate a copyright message unless you
1065 # turn it off by adding the -Hnocopyr flag.
1066 tentative_cc="cc -Hnocopyr"
1068 i[[3456789]]86-ncr-sysv4*)
1069 # for an NCR 3000 (i486/SVR4) system.
1070 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1071 # This compiler not only emits obnoxious copyright messages every time
1072 # you run it, but it chokes and dies on a whole bunch of GNU source
1073 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1074 tentative_cc="/usr/ccs/ATT/cc"
1075 host_makefile_frag="config/mh-ncr3000"
1077 i[[3456789]]86-*-sco3.2v5*)
1079 i[[3456789]]86-*-sco*)
1080 # The native C compiler botches some simple uses of const. Unfortunately,
1081 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1082 tentative_cc="cc -Dconst="
1083 host_makefile_frag="config/mh-sco"
1085 i[[3456789]]86-*-udk*)
1086 host_makefile_frag="config/mh-sysv5"
1088 i[[3456789]]86-*-solaris2*)
1089 host_makefile_frag="config/mh-sysv4"
1091 i[[3456789]]86-*-msdosdjgpp*)
1092 host_makefile_frag="config/mh-djgpp"
1095 ACX_CHECK_CYGWIN_CAT_WORKS
1096 host_makefile_frag="config/mh-cygwin"
1099 host_makefile_frag="config/mh-mingw"
1102 host_makefile_frag="config/mh-interix"
1105 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1109 host_makefile_frag="config/mh-solaris"
1112 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1113 # without overflowing the jump tables (-J says to use a 32 bit table)
1114 tentative_cc="cc -J"
1117 tentative_cc="cc -Wp,-H256000"
1118 host_makefile_frag="config/mh-pa-hpux10"
1120 hppa*-hp-hpux* | hppa*-*-hiux*)
1121 tentative_cc="cc -Wp,-H256000"
1122 host_makefile_frag="config/mh-pa"
1125 host_makefile_frag="config/mh-pa"
1127 *-hp-hpux* | *-*-hiux*)
1128 tentative_cc="cc -Wp,-H256000"
1131 # /bin/cc is less than useful for our purposes. Always use GCC
1132 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1133 host_makefile_frag="config/mh-lynxrs6k"
1136 host_makefile_frag="config/mh-ppc-darwin"
1139 host_makefile_frag="config/mh-ppc-aix"
1142 host_makefile_frag="config/mh-ppc-aix"
1145 # /bin/cc is less than useful for our purposes. Always use GCC
1146 tentative_cc="/bin/gcc"
1149 host_makefile_frag="config/mh-sysv4"
1151 # This is placed last to prevent interfering with the cases above.
1153 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1154 host_makefile_frag="config/mh-x86omitfp"
1159 # If we aren't going to be using gcc, see if we can extract a definition
1160 # of CC from the fragment.
1161 # Actually, use the 'pre-extracted' version above.
1162 if test -z "${CC}" && test "${build}" = "${host}" ; then
1163 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1165 for dir in $PATH; do
1166 test -z "$dir" && dir=.
1167 if test -f $dir/gcc; then
1173 if test -z "${found}" && test -n "${tentative_cc}" ; then
1178 if test "${build}" != "${host}" ; then
1179 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1180 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1181 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1182 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1183 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1184 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1185 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1186 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1187 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1188 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1189 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1190 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1192 AR_FOR_BUILD="\$(AR)"
1193 AS_FOR_BUILD="\$(AS)"
1194 CC_FOR_BUILD="\$(CC)"
1195 CXX_FOR_BUILD="\$(CXX)"
1196 GCJ_FOR_BUILD="\$(GCJ)"
1197 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1198 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1199 LD_FOR_BUILD="\$(LD)"
1200 NM_FOR_BUILD="\$(NM)"
1201 RANLIB_FOR_BUILD="\$(RANLIB)"
1202 WINDRES_FOR_BUILD="\$(WINDRES)"
1203 WINDMC_FOR_BUILD="\$(WINDMC)"
1209 # We must set the default linker to the linker used by gcc for the correct
1210 # operation of libtool. If LD is not defined and we are using gcc, try to
1211 # set the LD default to the ld used by gcc.
1212 if test -z "$LD"; then
1213 if test "$GCC" = yes; then
1216 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1218 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1220 case $gcc_prog_ld in
1221 # Accept absolute paths.
1222 [[\\/]* | [A-Za-z]:[\\/]*)]
1223 LD="$gcc_prog_ld" ;;
1229 ACX_PROG_CMP_IGNORE_INITIAL
1231 # See if we are building gcc with C++.
1232 AC_ARG_ENABLE(build-with-cxx,
1233 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1234 ENABLE_BUILD_WITH_CXX=$enableval,
1235 ENABLE_BUILD_WITH_CXX=no)
1237 # Used for setting $lt_cv_objdir
1240 # Check for GMP, MPFR and MPC
1241 gmplibs="-lmpc -lmpfr -lgmp"
1245 # Specify a location for mpc
1246 # check for this first so it ends up on the link line before mpfr.
1247 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1248 Equivalent to --with-mpc-include=PATH/include
1249 plus --with-mpc-lib=PATH/lib])
1250 AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1251 specify directory for installed MPC include files])
1252 AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1254 if test "x$with_mpc" != x; then
1255 gmplibs="-L$with_mpc/lib $gmplibs"
1256 gmpinc="-I$with_mpc/include $gmpinc"
1258 if test "x$with_mpc_include" != x; then
1259 gmpinc="-I$with_mpc_include $gmpinc"
1261 if test "x$with_mpc_lib" != x; then
1262 gmplibs="-L$with_mpc_lib $gmplibs"
1264 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1265 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1266 gmpinc='-I$$s/mpc/src '"$gmpinc"
1267 # Do not test the mpc version. Assume that it is sufficient, since
1268 # it is in the source tree, and the library has not been built yet
1269 # but it would be included on the link line in the version check below
1270 # hence making the test fail.
1274 # Specify a location for mpfr
1275 # check for this first so it ends up on the link line before gmp.
1276 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1277 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1278 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1280 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1281 Equivalent to --with-mpfr-include=PATH/include
1282 plus --with-mpfr-lib=PATH/lib])
1283 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1284 specify directory for installed MPFR include files])
1285 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1287 if test "x$with_mpfr" != x; then
1288 gmplibs="-L$with_mpfr/lib $gmplibs"
1289 gmpinc="-I$with_mpfr/include $gmpinc"
1291 if test "x$with_mpfr_include" != x; then
1292 gmpinc="-I$with_mpfr_include $gmpinc"
1294 if test "x$with_mpfr_lib" != x; then
1295 gmplibs="-L$with_mpfr_lib $gmplibs"
1297 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1298 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1299 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1300 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1301 # Do not test the mpfr version. Assume that it is sufficient, since
1302 # it is in the source tree, and the library has not been built yet
1303 # but it would be included on the link line in the version check below
1304 # hence making the test fail.
1308 # Specify a location for gmp
1309 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1310 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1311 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1313 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1314 Equivalent to --with-gmp-include=PATH/include
1315 plus --with-gmp-lib=PATH/lib])
1316 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1317 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1320 if test "x$with_gmp" != x; then
1321 gmplibs="-L$with_gmp/lib $gmplibs"
1322 gmpinc="-I$with_gmp/include $gmpinc"
1324 if test "x$with_gmp_include" != x; then
1325 gmpinc="-I$with_gmp_include $gmpinc"
1327 if test "x$with_gmp_lib" != x; then
1328 gmplibs="-L$with_gmp_lib $gmplibs"
1330 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1331 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1332 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1333 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1334 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1335 # Do not test the gmp version. Assume that it is sufficient, since
1336 # it is in the source tree, and the library has not been built yet
1337 # but it would be included on the link line in the version check below
1338 # hence making the test fail.
1342 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1344 saved_CFLAGS="$CFLAGS"
1345 CFLAGS="$CFLAGS $gmpinc"
1346 # Check for the recommended and required versions of GMP.
1347 AC_MSG_CHECKING([for the correct version of gmp.h])
1348 AC_TRY_COMPILE([#include "gmp.h"],[
1349 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1350 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1351 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1354 ], AC_TRY_COMPILE([#include <gmp.h>],[
1355 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1356 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1357 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1360 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1361 [AC_MSG_RESULT([no]); have_gmp=no])
1363 # If we have GMP, check the MPFR version.
1364 if test x"$have_gmp" = xyes; then
1365 # Check for the recommended and required versions of MPFR.
1366 AC_MSG_CHECKING([for the correct version of mpfr.h])
1367 AC_TRY_COMPILE([#include <gmp.h>
1368 #include <mpfr.h>],[
1369 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1372 ], AC_TRY_COMPILE([#include <gmp.h>
1373 #include <mpfr.h>],[
1374 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1377 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1378 [AC_MSG_RESULT([no]); have_gmp=no])
1381 # Check for the MPC header version.
1382 if test x"$have_gmp" = xyes ; then
1383 # Check for the recommended and required versions of MPC.
1384 AC_MSG_CHECKING([for the correct version of mpc.h])
1385 AC_TRY_COMPILE([#include <mpc.h>],[
1386 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1389 ], AC_TRY_COMPILE([#include <mpc.h>],[
1390 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1393 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1394 [AC_MSG_RESULT([no]); have_gmp=no])
1397 # Now check the MPFR library.
1398 if test x"$have_gmp" = xyes; then
1400 LIBS="$LIBS $gmplibs"
1401 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1402 AC_TRY_LINK([#include <mpc.h>],[
1409 mpfr_atan2 (n, n, x, GMP_RNDN);
1410 mpfr_erfc (n, x, GMP_RNDN);
1411 mpfr_subnormalize (x, t, GMP_RNDN);
1415 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1416 mpc_cosh (c, c, MPC_RNDNN);
1417 mpc_pow (c, c, c, MPC_RNDNN);
1418 mpc_acosh (c, c, MPC_RNDNN);
1420 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1424 CFLAGS="$saved_CFLAGS"
1426 # The library versions listed in the error message below should match
1427 # the HARD-minimums enforced above.
1428 if test x$have_gmp != xyes; then
1429 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1430 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1431 their locations. Source code for these libraries can be found at
1432 their respective hosting sites as well as at
1433 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1434 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1435 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1436 make sure that you have installed both the libraries and the header
1437 files. They may be located in separate packages.])
1441 # Flags needed for both GMP, MPFR and/or MPC.
1444 AC_SUBST(extra_mpfr_configure_flags)
1445 AC_SUBST(extra_mpc_gmp_configure_flags)
1446 AC_SUBST(extra_mpc_mpfr_configure_flags)
1448 # Allow host libstdc++ to be specified for static linking with PPL.
1449 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1450 when linking with PPL])
1452 case $with_host_libstdcxx in
1454 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1458 # Linker flags to use for stage1 or when not boostrapping.
1459 AC_ARG_WITH(stage1-ldflags,
1460 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1461 [if test "$withval" = "no" -o "$withval" = "yes"; then
1464 stage1_ldflags=$withval
1467 AC_SUBST(stage1_ldflags)
1469 # Libraries to use for stage1 or when not bootstrapping.
1470 AC_ARG_WITH(stage1-libs,
1471 [ -with-stage1-libs=LIBS Libraries for stage1],
1472 [if test "$withval" = "no" -o "$withval" = "yes"; then
1475 stage1_libs=$withval
1477 [stage1_libs=$with_host_libstdcxx])
1478 AC_SUBST(stage1_libs)
1480 # Libraries to use for stage2 and later builds. This defaults to the
1481 # argument passed to --with-host-libstdcxx.
1482 AC_ARG_WITH(boot-libs,
1483 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1484 [if test "$withval" = "no" -o "$withval" = "yes"; then
1487 poststage1_libs=$withval
1489 [poststage1_libs=$with_host_libstdcxx])
1490 AC_SUBST(poststage1_libs)
1492 # Linker flags to use for stage2 and later builds.
1493 AC_ARG_WITH(boot-ldflags,
1494 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1495 [if test "$withval" = "no" -o "$withval" = "yes"; then
1498 poststage1_ldflags=$withval
1500 [poststage1_ldflags=
1501 # With --enable-build-with-cxx, default to linking libstdc++ and
1502 # libgcc statically. But if the user explicitly specified the
1503 # libraries to use, trust that they are doing what they want.
1504 if test "$ENABLE_BUILD_WITH_CXX" = "yes" -a "$poststage1_libs" = ""; then
1505 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1507 AC_SUBST(poststage1_ldflags)
1511 ppl_minor_version=10
1512 ppllibs=" -lppl_c -lppl -lgmpxx"
1515 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1516 Equivalent to --with-ppl-include=PATH/include
1517 plus --with-ppl-lib=PATH/lib])
1518 AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1519 AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1528 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1529 pplinc="-I$with_ppl/include $pplinc"
1532 if test "x$with_ppl_include" != x; then
1533 pplinc="-I$with_ppl_include $pplinc"
1535 if test "x$with_ppl_lib" != x; then
1536 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1538 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1539 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"' -lppl_c -lppl -lgmpxx '
1540 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1541 enable_ppl_version_check=no
1544 AC_ARG_ENABLE(ppl-version-check,
1545 [ --disable-ppl-version-check disable check for PPL version],
1546 ENABLE_PPL_CHECK=$enableval,
1547 ENABLE_PPL_CHECK=yes)
1549 if test "x$with_ppl" != "xno" -a "${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 != $ppl_minor_version
1557 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1558 CFLAGS="$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])
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])
1576 if test "x$with_ppl" = "xno"; then
1588 clooglibs="-L$with_cloog/lib -lcloog"
1589 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1592 if test "x$with_cloog_include" != x; then
1593 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1595 if test "x$with_cloog_lib" != x; then
1596 clooglibs="-L$with_cloog_lib -lcloog"
1598 if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1599 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' -lcloog '
1600 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1601 enable_cloog_version_check=no
1604 AC_ARG_ENABLE(cloog-version-check,
1605 [ --disable-cloog-version-check disable check for CLooG version],
1606 ENABLE_CLOOG_CHECK=$enableval,
1607 ENABLE_CLOOG_CHECK=yes)
1609 if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then
1610 saved_CFLAGS="$CFLAGS"
1611 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1612 AC_MSG_CHECKING([for version 0.15.5 (or later revision) of CLooG])
1613 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1614 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 5
1617 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1618 CFLAGS="$saved_CFLAGS"
1621 # Flags needed for CLOOG
1625 # Check for LTO support.
1627 [ --enable-lto enable link time optimization support],
1628 enable_lto=$enableval,
1629 enable_lto=yes; default_enable_lto=yes)
1631 ACX_ELF_TARGET_IFELSE([],
1632 if test x"$default_enable_lto" = x"yes" ; then
1635 if test x"$enable_lto" = x"yes"; then
1636 AC_MSG_ERROR([LTO support requires an ELF target.])
1639 default_enable_lto=no)
1641 if test x"$enable_lto" = x"yes" ; then
1642 # Make sure that libelf.h and gelf.h are available.
1643 AC_ARG_WITH(libelf, [ --with-libelf=PATH Specify prefix directory for the installed libelf package
1644 Equivalent to --with-libelf-include=PATH/include
1645 plus --with-libelf-lib=PATH/lib])
1647 AC_ARG_WITH(libelf_include, [ --with-libelf-include=PATH Specify directory for installed libelf include files])
1649 AC_ARG_WITH(libelf_lib, [ --with-libelf-lib=PATH Specify the directory for the installed libelf library])
1651 saved_CFLAGS="$CFLAGS"
1652 saved_CPPFLAGS="$CPPFLAGS"
1655 case $with_libelf in
1658 libelfinc="-I/usr/include/libelf"
1661 libelflibs="-L$with_libelf/lib -lelf"
1662 libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf"
1663 LIBS="$libelflibs $LIBS"
1667 if test "x$with_libelf_include" != x; then
1668 libelfinc="-I$with_libelf_include"
1671 if test "x$with_libelf_lib" != x; then
1672 libelflibs="-L$with_libelf_lib -lelf"
1673 LIBS="$libelflibs $LIBS"
1676 if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \
1677 && test -d ${srcdir}/libelf; then
1678 libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/lib -lelf '
1679 libelfinc='-D__LIBELF_INTERNAL__ -I$$r/$(HOST_SUBDIR)/libelf/lib -I$$s/libelf/lib'
1680 LIBS="$libelflibs $LIBS"
1684 CFLAGS="$CFLAGS $libelfinc"
1685 CPPFLAGS="$CPPFLAGS $libelfinc"
1686 LIBS="$LIBS $libelflibs"
1688 AC_CHECK_HEADERS(libelf.h, [have_libelf_h=yes])
1689 AC_CHECK_HEADERS(gelf.h, [have_gelf_h=yes])
1691 AC_CHECK_HEADERS(libelf/libelf.h, [have_libelf_libelf_h=yes])
1692 AC_CHECK_HEADERS(libelf/gelf.h, [have_libelf_gelf_h=yes])
1694 # If we couldn't find libelf.h and the user forced it, emit an error.
1695 if test x"$have_libelf_h" != x"yes" \
1696 && test x"$have_libelf_libelf_h" != x"yes" ; then
1697 if test x"$default_enable_lto" != x"yes" ; then
1698 AC_MSG_ERROR([LTO support requires libelf.h or libelf/libelf.h.])
1706 # If we couldn't find gelf.h and the user forced it, emit an error.
1707 if test x"$have_gelf_h" != x"yes" \
1708 && test x"$have_libelf_gelf_h" != x"yes" ; then
1709 if test x"$default_enable_lto" != x"yes" ; then
1710 AC_MSG_ERROR([LTO support requires gelf.h or libelf/gelf.h.])
1718 # Check that the detected libelf has the functions we need. We cannot
1719 # rely on just detecting the headers since they do not include
1720 # versioning information. Add functions, if needed.
1721 if test x"$enable_lto" = x"yes" ; then
1722 AC_MSG_CHECKING([for the correct version of libelf])
1724 [#include <libelf.h>],[
1728 elf_strptr (0, 0, 0);
1729 elf_getident (0, 0);
1730 elf_getshdrstrndx (0, 0);
1731 elf_begin (0, 0, 0);
1735 [AC_MSG_RESULT([yes]);],
1736 [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
1739 # If we couldn't enable LTO and the user forced it, emit an error.
1740 if test x"$enable_lto" = x"no" \
1741 && test x"$default_enable_lto" != x"yes" ; then
1742 AC_MSG_ERROR([To enable LTO, GCC requires libelf v0.8.12+.
1743 Try the --with-libelf, --with-libelf-include and --with-libelf-lib options
1744 to specify its location.])
1748 CFLAGS="$saved_CFLAGS"
1749 CPPFLAGS="$saved_CPPFLAGS"
1754 # Flags needed for libelf.
1755 AC_SUBST(libelflibs)
1760 # By default, C is the only stage 1 language.
1761 stage1_languages=,c,
1763 # Target libraries that we bootstrap.
1764 bootstrap_target_libs=,target-libgcc,
1766 # Figure out what language subdirectories are present.
1767 # Look if the user specified --enable-languages="..."; if not, use
1768 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1770 # NB: embedded tabs in this IF block -- do not untabify
1771 if test -d ${srcdir}/gcc; then
1772 if test x"${enable_languages+set}" != xset; then
1773 if test x"${LANGUAGES+set}" = xset; then
1774 enable_languages="${LANGUAGES}"
1775 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1777 enable_languages=all
1780 if test x"${enable_languages}" = x ||
1781 test x"${enable_languages}" = xyes;
1783 echo configure.in: --enable-languages needs at least one language argument 1>&2
1787 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1789 # 'f95' is the old name for the 'fortran' language. We issue a warning
1790 # and make the substitution.
1791 case ,${enable_languages}, in
1793 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1794 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1798 # First scan to see if an enabled language requires some other language.
1799 # We assume that a given config-lang.in will list all the language
1800 # front ends it requires, even if some are required indirectly.
1801 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1802 case ${lang_frag} in
1804 # The odd quoting in the next line works around
1805 # an apparent bug in bash 1.12 on linux.
1806 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1808 # From the config-lang.in, get $language, $lang_requires
1812 for other in ${lang_requires} ; do
1813 case ,${enable_languages}, in
1817 echo " \`$other' language required by \`$language'; enabling" 1>&2
1818 enable_languages="${enable_languages},${other}"
1826 new_enable_languages=,c,
1828 # If LTO is enabled, add the LTO front end.
1829 extra_host_libiberty_configure_flags=
1830 if test "$enable_lto" = "yes" ; then
1831 case ,${enable_languages}, in
1833 *) enable_languages="${enable_languages},lto" ;;
1835 if test "${ENABLE_GOLD}" = "yes" ; then
1836 configdirs="$configdirs lto-plugin"
1837 extra_host_libiberty_configure_flags=--enable-shared
1840 AC_SUBST(extra_host_libiberty_configure_flags)
1842 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1843 potential_languages=,c,
1845 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1846 case ${lang_frag} in
1848 # The odd quoting in the next line works around
1849 # an apparent bug in bash 1.12 on linux.
1850 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1852 # From the config-lang.in, get $language, $target_libs,
1853 # $lang_dirs, $boot_language, and $build_by_default
1859 build_by_default=yes
1861 if test x${language} = x; then
1862 echo "${lang_frag} doesn't set \$language." 1>&2
1866 if test "$language" = "c++" \
1867 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1871 case ,${enable_languages}, in
1873 # Language was explicitly selected; include it.
1877 # 'all' was selected, select it if it is a default language
1878 add_this_lang=${build_by_default}
1885 # Disable languages that need other directories if these aren't available.
1886 for i in $subdir_requires; do
1887 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1888 case ,${enable_languages}, in
1890 # Specifically requested language; tell them.
1891 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1895 add_this_lang=unsupported
1900 # Disable Ada if no preexisting GNAT is available.
1901 case ,${enable_languages},:${language}:${have_gnat} in
1902 *,${language},*:ada:no)
1903 # Specifically requested language; tell them.
1904 AC_MSG_ERROR([GNAT is required to build $language])
1908 add_this_lang=unsupported
1912 # Disable a language that is unsupported by the target.
1913 case " $unsupported_languages " in
1915 add_this_lang=unsupported
1919 case $add_this_lang in
1921 # Remove language-dependent dirs.
1922 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1925 # Remove language-dependent dirs; still show language as supported.
1926 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1927 potential_languages="${potential_languages}${language},"
1930 new_enable_languages="${new_enable_languages}${language},"
1931 potential_languages="${potential_languages}${language},"
1932 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1933 case "${boot_language}:,$enable_stage1_languages," in
1934 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1935 # Add to (comma-separated) list of stage 1 languages.
1936 case ",$stage1_languages," in
1937 *,$language,* | ,yes, | ,all,) ;;
1938 *) stage1_languages="${stage1_languages}${language}," ;;
1940 # We need to bootstrap any supporting libraries.
1941 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1950 AC_ARG_ENABLE(stage1-languages,
1951 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1952 stage1. Mostly useful for compiler development.],
1953 [case ,${enable_stage1_languages}, in
1955 # Set it to something that will have no effect in the loop below
1956 enable_stage1_languages=c ;;
1958 enable_stage1_languages=`echo $new_enable_languages | \
1959 sed -e "s/^,//" -e "s/,$//" ` ;;
1961 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1962 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1965 # Add "good" languages from enable_stage1_languages to stage1_languages,
1966 # while "bad" languages go in missing_languages. Leave no duplicates.
1967 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1968 case $potential_languages in
1970 case $stage1_languages in
1972 *) stage1_languages="$stage1_languages$i," ;;
1975 case $missing_languages in
1977 *) missing_languages="$missing_languages$i," ;;
1982 # Remove leading/trailing commas that were added for simplicity
1983 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1984 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1985 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1986 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1988 if test "x$missing_languages" != x; then
1990 The following requested languages could not be built: ${missing_languages}
1991 Supported languages are: ${potential_languages}])
1993 if test "x$new_enable_languages" != "x$enable_languages"; then
1994 echo The following languages will be built: ${new_enable_languages}
1995 enable_languages="$new_enable_languages"
1998 AC_SUBST(stage1_languages)
1999 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2002 # Handle --disable-<component> generically.
2003 for dir in $configdirs $build_configdirs $target_configdirs ; do
2004 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2005 varname=`echo $dirname | sed -e s/+/_/g`
2006 if eval test x\${enable_${varname}} "=" xno ; then
2007 noconfigdirs="$noconfigdirs $dir"
2011 # Check for Boehm's garbage collector
2012 AC_ARG_ENABLE(objc-gc,
2013 [ --enable-objc-gc enable use of Boehm's garbage collector with the
2014 GNU Objective-C runtime],
2015 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2016 *,objc,*:*:yes:*target-boehm-gc*)
2017 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2021 # Make sure we only build Boehm's garbage collector if required.
2022 case ,${enable_languages},:${enable_objc_gc} in
2024 # Keep target-boehm-gc if requested for Objective-C.
2027 # Otherwise remove target-boehm-gc depending on target-libjava.
2028 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2029 noconfigdirs="$noconfigdirs target-boehm-gc"
2034 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2035 # $build_configdirs and $target_configdirs.
2036 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2039 for dir in . $skipdirs $noconfigdirs ; do
2040 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2041 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2042 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2043 if test -r $srcdir/$dirname/configure ; then
2044 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2047 notsupp="$notsupp $dir"
2051 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2052 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2053 if test -r $srcdir/$dirname/configure ; then
2054 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2057 notsupp="$notsupp $dir"
2061 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2062 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2063 if test -r $srcdir/$dirname/configure ; then
2064 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2067 notsupp="$notsupp $dir"
2073 # Sometimes the tools are distributed with libiberty but with no other
2074 # libraries. In that case, we don't want to build target-libiberty.
2075 # Don't let libgcc imply libiberty either.
2076 if test -n "${target_configdirs}" ; then
2079 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2080 if test "$i" = "libgcc"; then
2081 libgcc=target-libgcc
2082 elif test "$i" != "libiberty" ; then
2083 if test -r $srcdir/$i/configure ; then
2089 if test -z "${others}" ; then
2090 target_configdirs=$libgcc
2094 # Quietly strip out all directories which aren't configurable in this tree.
2095 # This relies on all configurable subdirectories being autoconfiscated, which
2097 build_configdirs_all="$build_configdirs"
2099 for i in ${build_configdirs_all} ; do
2100 j=`echo $i | sed -e s/build-//g`
2101 if test -f ${srcdir}/$j/configure ; then
2102 build_configdirs="${build_configdirs} $i"
2106 configdirs_all="$configdirs"
2108 for i in ${configdirs_all} ; do
2109 if test -f ${srcdir}/$i/configure ; then
2110 configdirs="${configdirs} $i"
2114 target_configdirs_all="$target_configdirs"
2116 for i in ${target_configdirs_all} ; do
2117 j=`echo $i | sed -e s/target-//g`
2118 if test -f ${srcdir}/$j/configure ; then
2119 target_configdirs="${target_configdirs} $i"
2123 # Produce a warning message for the subdirs we can't configure.
2124 # This isn't especially interesting in the Cygnus tree, but in the individual
2125 # FSF releases, it's important to let people know when their machine isn't
2126 # supported by the one or two programs in a package.
2128 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2129 # If $appdirs is non-empty, at least one of those directories must still
2130 # be configured, or we error out. (E.g., if the gas release supports a
2131 # specified target in some subdirs but not the gas subdir, we shouldn't
2132 # pretend that all is well.)
2133 if test -n "$appdirs" ; then
2134 for dir in $appdirs ; do
2135 if test -r $dir/Makefile.in ; then
2136 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2140 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2146 if test -n "$appdirs" ; then
2147 echo "*** This configuration is not supported by this package." 1>&2
2151 # Okay, some application will build, or we don't care to check. Still
2152 # notify of subdirs not getting built.
2153 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2154 echo " ${notsupp}" 1>&2
2155 echo " (Any other directories should still work fine.)" 1>&2
2163 # To find our prefix, in gcc_cv_tool_prefix.
2168 AC_ARG_WITH([build-sysroot],
2169 [ --with-build-sysroot=SYSROOT
2170 use sysroot as the system root during the build],
2171 [if test x"$withval" != x ; then
2172 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2174 [SYSROOT_CFLAGS_FOR_TARGET=])
2175 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2177 AC_ARG_WITH([debug-prefix-map],
2178 [ --with-debug-prefix-map='A=B C=D ...'
2179 map A to B, C to D ... in debug information],
2180 [if test x"$withval" != x; then
2181 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2182 for debug_map in $withval; do
2183 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2186 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2187 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2189 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2190 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2191 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2192 # We want to ensure that TARGET libraries (which we know are built with
2193 # gcc) are built with "-O2 -g", so include those options when setting
2194 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2195 if test "x$CFLAGS_FOR_TARGET" = x; then
2196 CFLAGS_FOR_TARGET=$CFLAGS
2199 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2202 *" -g "* | *" -g3 "*) ;;
2203 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2206 AC_SUBST(CFLAGS_FOR_TARGET)
2208 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2209 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2210 case " $CXXFLAGS " in
2212 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2214 case " $CXXFLAGS " in
2215 *" -g "* | *" -g3 "*) ;;
2216 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2219 AC_SUBST(CXXFLAGS_FOR_TARGET)
2221 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2222 # the named directory are copied to $(tooldir)/sys-include.
2223 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2224 if test x${is_cross_compiler} = xno ; then
2225 echo 1>&2 '***' --with-headers is only supported when cross compiling
2228 if test x"${with_headers}" != xyes ; then
2229 x=${gcc_cv_tool_prefix}
2230 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2234 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2235 # the name directories are copied to $(tooldir)/lib. Multiple directories
2237 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2238 if test x${is_cross_compiler} = xno ; then
2239 echo 1>&2 '***' --with-libs is only supported when cross compiling
2242 if test x"${with_libs}" != xyes ; then
2243 # Copy the libraries in reverse order, so that files in the first named
2244 # library override files in subsequent libraries.
2245 x=${gcc_cv_tool_prefix}
2246 for l in ${with_libs}; do
2247 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2252 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2254 # This is done by determining whether or not the appropriate directory
2255 # is available, and by checking whether or not specific configurations
2256 # have requested that this magic not happen.
2258 # The command line options always override the explicit settings in
2259 # configure.in, and the settings in configure.in override this magic.
2261 # If the default for a toolchain is to use GNU as and ld, and you don't
2262 # want to do that, then you should use the --without-gnu-as and
2263 # --without-gnu-ld options for the configure script. Similarly, if
2264 # the default is to use the included zlib and you don't want to do that,
2265 # you should use the --with-system-zlib option for the configure script.
2267 if test x${use_gnu_as} = x &&
2268 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2270 extra_host_args="$extra_host_args --with-gnu-as"
2273 if test x${use_gnu_ld} = x &&
2274 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2276 extra_host_args="$extra_host_args --with-gnu-ld"
2279 if test x${use_included_zlib} = x &&
2280 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2283 with_system_zlib=yes
2284 extra_host_args="$extra_host_args --with-system-zlib"
2287 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2288 # can detect this case.
2290 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2292 extra_host_args="$extra_host_args --with-newlib"
2295 # Handle ${copy_dirs}
2296 set fnord ${copy_dirs}
2298 while test $# != 0 ; do
2299 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2302 echo Copying $1 to $2
2304 # Use the install script to create the directory and all required
2305 # parent directories.
2306 if test -d $2 ; then
2310 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2313 # Copy the directory, assuming we have tar.
2314 # FIXME: Should we use B in the second tar? Not all systems support it.
2315 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2317 # It is the responsibility of the user to correctly adjust all
2318 # symlinks. If somebody can figure out how to handle them correctly
2319 # here, feel free to add the code.
2326 # Determine a target-dependent exec_prefix that the installed
2327 # gcc will search in. Keep this list sorted by triplet, with
2328 # the *-*-osname triplets last.
2332 md_exec_prefix=/gnu/lib/gcc-lib
2334 i[[34567]]86-pc-msdosdjgpp*)
2335 md_exec_prefix=/dev/env/DJDIR/bin
2337 i[[34567]]86-*-sco3.2v5*)
2338 if test $with_gnu_as = yes; then
2339 md_exec_prefix=/usr/gnu/bin
2341 md_exec_prefix=/usr/ccs/bin/elf
2346 powerpc-*-chorusos* | \
2347 powerpc*-*-eabi* | \
2348 powerpc*-*-sysv* | \
2349 powerpc*-*-kaos* | \
2351 md_exec_prefix=/usr/ccs/bin
2356 md_exec_prefix=/usr/ccs/bin
2371 md_exec_prefix=/usr/ccs/bin
2375 extra_arflags_for_target=
2376 extra_nmflags_for_target=
2377 extra_ranlibflags_for_target=
2378 target_makefile_frag=/dev/null
2381 target_makefile_frag="config/mt-mep"
2384 target_makefile_frag="config/mt-spu"
2387 target_makefile_frag="config/mt-sde"
2389 mipsisa*-*-elfoabi*)
2390 target_makefile_frag="config/mt-mips-elfoabi"
2392 mips*-*-*linux* | mips*-*-gnu*)
2393 target_makefile_frag="config/mt-mips-gnu"
2396 target_makefile_frag="config/mt-netware"
2398 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2399 target_makefile_frag="config/mt-gnu"
2401 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2402 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2403 # commands to handle both 32-bit and 64-bit objects. These flags are
2404 # harmless if we're using GNU nm or ar.
2405 extra_arflags_for_target=" -X32_64"
2406 extra_nmflags_for_target=" -B -X32_64"
2409 # ranlib from Darwin requires the -c flag to look at common symbols.
2410 extra_ranlibflags_for_target=" -c"
2412 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2413 target_makefile_frag="config/mt-wince"
2417 alphaieee_frag=/dev/null
2420 # This just makes sure to use the -mieee option to build target libs.
2421 # This should probably be set individually by each library.
2422 alphaieee_frag="config/mt-alphaieee"
2426 # If --enable-target-optspace always use -Os instead of -O2 to build
2427 # the target libraries, similarly if it is not specified, use -Os
2428 # on selected platforms.
2429 ospace_frag=/dev/null
2430 case "${enable_target_optspace}:${target}" in
2432 ospace_frag="config/mt-ospace"
2435 ospace_frag="config/mt-d30v"
2437 :m32r-* | :d10v-* | :fr30-*)
2438 ospace_frag="config/mt-ospace"
2443 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2447 # Default to using --with-stabs for certain targets.
2448 if test x${with_stabs} = x ; then
2450 mips*-*-irix[[56]]*)
2452 mips*-*-* | alpha*-*-osf*)
2454 extra_host_args="${extra_host_args} --with-stabs"
2459 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2460 # them automatically.
2463 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2467 # Some systems (e.g., one of the i386-aix systems the gas testers are
2468 # using) don't handle "\$" correctly, so don't use it here.
2469 tooldir='${exec_prefix}'/${target_noncanonical}
2470 build_tooldir=${tooldir}
2472 # Create a .gdbinit file which runs the one in srcdir
2473 # and tells GDB to look there for source files.
2475 if test -r ${srcdir}/.gdbinit ; then
2478 *) cat > ./.gdbinit <<EOF
2482 source ${srcdir}/.gdbinit
2488 # Make sure that the compiler is able to generate an executable. If it
2489 # can't, we are probably in trouble. We don't care whether we can run the
2490 # executable--we might be using a cross compiler--we only care whether it
2491 # can be created. At this point the main configure script has set CC.
2493 echo "int main () { return 0; }" > conftest.c
2494 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2495 if test $? = 0 ; then
2496 if test -s conftest || test -s conftest.exe ; then
2502 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2503 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2510 # The Solaris /usr/ucb/cc compiler does not appear to work.
2512 sparc-sun-solaris2*)
2513 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2514 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2516 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2517 if test -d /opt/cygnus/bin ; then
2518 if test "$could_use" = "" ; then
2519 could_use="/opt/cygnus/bin"
2521 could_use="$could_use or /opt/cygnus/bin"
2524 if test "$could_use" = "" ; then
2525 echo "Warning: compilation may fail because you're using"
2526 echo "/usr/ucb/cc. You should change your PATH or CC "
2527 echo "variable and rerun configure."
2529 echo "Warning: compilation may fail because you're using"
2530 echo "/usr/ucb/cc, when you should use the C compiler from"
2531 echo "$could_use. You should change your"
2532 echo "PATH or CC variable and rerun configure."
2538 # Decide which environment variable is used to find dynamic libraries.
2540 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2541 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2542 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2543 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2546 # On systems where the dynamic library environment variable is PATH,
2547 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2548 # built executables to PATH.
2549 if test "$RPATH_ENVVAR" = PATH; then
2550 GCC_SHLIB_SUBDIR=/shlib
2555 # Record target_configdirs and the configure arguments for target and
2556 # build configuration in Makefile.
2557 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2558 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2560 # If we are building libgomp, bootstrap it.
2561 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2562 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2565 # Determine whether gdb needs tk/tcl or not.
2566 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2567 # and in that case we want gdb to be built without tk. Ugh!
2568 # In fact I believe gdb is the *only* package directly dependent on tk,
2569 # so we should be able to put the 'maybe's in unconditionally and
2570 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2571 # 100% sure that that's safe though.
2573 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2574 case "$enable_gdbtk" in
2578 GDB_TK="${gdb_tk}" ;;
2580 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2581 # distro. Eventually someone will fix this and move Insight, nee
2582 # gdbtk to a separate directory.
2583 if test -d ${srcdir}/gdb/gdbtk ; then
2590 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2591 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2593 # Strip out unwanted targets.
2595 # While at that, we remove Makefiles if we were started for recursive
2596 # configuration, so that the top-level Makefile reconfigures them,
2597 # like we used to do when configure itself was recursive.
2599 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2600 # but now we're fixing up the Makefile ourselves with the additional
2601 # commands passed to AC_CONFIG_FILES. Use separate variables
2602 # extrasub-{build,host,target} not because there is any reason to split
2603 # the substitutions up that way, but only to remain below the limit of
2604 # 99 commands in a script, for HP-UX sed.
2605 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2607 AC_ARG_ENABLE([bootstrap],
2608 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2609 enable_bootstrap=default)
2611 # Issue errors and warnings for invalid/strange bootstrap combinations.
2612 case "$configdirs" in
2613 *gcc*) have_compiler=yes ;;
2614 *) have_compiler=no ;;
2617 case "$have_compiler:$host:$target:$enable_bootstrap" in
2620 # Default behavior. Enable bootstrap if we have a compiler
2621 # and we are in a native configuration.
2622 yes:$build:$build:default)
2623 enable_bootstrap=yes ;;
2626 enable_bootstrap=no ;;
2628 # We have a compiler and we are in a native configuration, bootstrap is ok
2629 yes:$build:$build:yes)
2632 # Other configurations, but we have a compiler. Assume the user knows
2635 AC_MSG_WARN([trying to bootstrap a cross compiler])
2638 # No compiler: if they passed --enable-bootstrap explicitly, fail
2640 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2642 # Fail if wrong command line
2644 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2648 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2651 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2655 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2656 yes:yes:*\ gold\ *:*,c++,*) ;;
2657 yes:yes:*\ gold\ *:*)
2658 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2662 # Adjust the toplevel makefile according to whether bootstrap was selected.
2663 case $enable_bootstrap in
2665 bootstrap_suffix=bootstrap
2666 BUILD_CONFIG=bootstrap-debug
2669 bootstrap_suffix=no-bootstrap
2674 AC_MSG_CHECKING(for default BUILD_CONFIG)
2676 AC_ARG_WITH([build-config],
2677 [--with-build-config='NAME NAME2...'
2678 Use config/NAME.mk build configuration],
2679 [case $with_build_config in
2680 yes) with_build_config= ;;
2681 no) with_build_config= BUILD_CONFIG= ;;
2684 if test "x${with_build_config}" != x; then
2685 BUILD_CONFIG=$with_build_config
2687 case $BUILD_CONFIG in
2689 if echo "int f (void) { return 0; }" > conftest.c &&
2690 ${CC} -c conftest.c &&
2691 mv conftest.o conftest.o.g0 &&
2692 ${CC} -c -g conftest.c &&
2693 mv conftest.o conftest.o.g &&
2694 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g; then
2699 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2703 AC_MSG_RESULT($BUILD_CONFIG)
2704 AC_SUBST(BUILD_CONFIG)
2707 for module in ${build_configdirs} ; do
2708 if test -z "${no_recursion}" \
2709 && test -f ${build_subdir}/${module}/Makefile; then
2710 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2711 rm -f ${build_subdir}/${module}/Makefile
2713 extrasub_build="$extrasub_build
2714 /^@if build-$module\$/d
2715 /^@endif build-$module\$/d
2716 /^@if build-$module-$bootstrap_suffix\$/d
2717 /^@endif build-$module-$bootstrap_suffix\$/d"
2720 for module in ${configdirs} ; do
2721 if test -z "${no_recursion}"; then
2722 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2723 if test -f ${file}; then
2724 echo 1>&2 "*** removing ${file} to force reconfigure"
2729 extrasub_host="$extrasub_host
2731 /^@endif $module\$/d
2732 /^@if $module-$bootstrap_suffix\$/d
2733 /^@endif $module-$bootstrap_suffix\$/d"
2736 for module in ${target_configdirs} ; do
2737 if test -z "${no_recursion}" \
2738 && test -f ${target_subdir}/${module}/Makefile; then
2739 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2740 rm -f ${target_subdir}/${module}/Makefile
2743 # We only bootstrap target libraries listed in bootstrap_target_libs.
2744 case $bootstrap_target_libs in
2745 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2746 *) target_bootstrap_suffix=no-bootstrap ;;
2749 extrasub_target="$extrasub_target
2750 /^@if target-$module\$/d
2751 /^@endif target-$module\$/d
2752 /^@if target-$module-$target_bootstrap_suffix\$/d
2753 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2756 # Do the final fixup along with target modules.
2757 extrasub_target="$extrasub_target
2758 /^@if /,/^@endif /d"
2760 # Create the serialization dependencies. This uses a temporary file.
2762 AC_ARG_ENABLE([serial-configure],
2763 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2764 force sequential configuration of
2765 sub-packages for the host, target or build
2766 machine, or all sub-packages])
2768 case ${enable_serial_configure} in
2770 enable_serial_build_configure=yes
2771 enable_serial_host_configure=yes
2772 enable_serial_target_configure=yes
2776 # These force 'configure's to be done one at a time, to avoid problems
2777 # with contention over a shared config.cache.
2779 echo '# serdep.tmp' > serdep.tmp
2781 test "x${enable_serial_build_configure}" = xyes &&
2782 for item in ${build_configdirs} ; do
2785 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2790 test "x${enable_serial_host_configure}" = xyes &&
2791 for item in ${configdirs} ; do
2794 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2799 test "x${enable_serial_target_configure}" = xyes &&
2800 for item in ${target_configdirs} ; do
2803 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2807 serialization_dependencies=serdep.tmp
2808 AC_SUBST_FILE(serialization_dependencies)
2810 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2811 # target, nonopt, and variable assignments. These are the ones we
2812 # might not want to pass down to subconfigures. The exception being
2813 # --cache-file=/dev/null, which is used to turn off the use of cache
2814 # files altogether, and which should be passed on to subconfigures.
2815 # Also strip program-prefix, program-suffix, and program-transform-name,
2816 # so that we can pass down a consistent program-transform-name.
2820 eval "set -- $ac_configure_args"
2823 if test X"$skip_next" = X"yes"; then
2827 if test X"$keep_next" = X"yes"; then
2830 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2832 baseargs="$baseargs '$ac_arg'"
2837 # Handle separated arguments. Based on the logic generated by
2840 *=* | --config-cache | -C | -disable-* | --disable-* \
2841 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2842 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2843 | -with-* | --with-* | -without-* | --without-* | --x)
2855 --cache-file=/dev/null | \
2856 -cache-file=/dev/null )
2857 # Handled here to avoid the test to skip args below.
2858 baseargs="$baseargs '$ac_arg'"
2859 # Assert: $separate_arg should always be no.
2860 keep_next=$separate_arg
2876 -program-prefix* | \
2877 -program-suffix* | \
2878 -program-transform-name* )
2879 skip_next=$separate_arg
2883 # An option. Add it.
2886 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2888 baseargs="$baseargs '$ac_arg'"
2889 keep_next=$separate_arg
2892 # Either a variable assignment, or a nonopt (triplet). Don't
2893 # pass it down; let the Makefile handle this.
2898 # Remove the initial space we just introduced and, as these will be
2899 # expanded by make, quote '$'.
2900 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2902 # Add in --program-transform-name, after --program-prefix and
2903 # --program-suffix have been applied to it. Autoconf has already
2904 # doubled dollar signs and backslashes in program_transform_name; we want
2905 # the backslashes un-doubled, and then the entire thing wrapped in single
2906 # quotes, because this will be expanded first by make and then by the shell.
2907 # Also, because we want to override the logic in subdir configure scripts to
2908 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2909 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2910 ${program_transform_name}
2912 gcc_transform_name=`cat conftestsed.out`
2913 rm -f conftestsed.out
2914 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2915 if test "$silent" = yes; then
2916 baseargs="$baseargs --silent"
2918 baseargs="$baseargs --disable-option-checking"
2920 # For the build-side libraries, we just need to pretend we're native,
2921 # and not use the same cache file. Multilibs are neither needed nor
2923 build_configargs="--cache-file=../config.cache ${baseargs}"
2925 # For host modules, accept cache file option, or specification as blank.
2926 case "${cache_file}" in
2928 cache_file_option="" ;;
2929 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2930 cache_file_option="--cache-file=${cache_file}" ;;
2932 cache_file_option="--cache-file=../${cache_file}" ;;
2935 # Host dirs don't like to share a cache file either, horribly enough.
2936 # This seems to be due to autoconf 2.5x stupidity.
2937 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2939 target_configargs=${baseargs}
2941 # Passing a --with-cross-host argument lets the target libraries know
2942 # whether they are being built with a cross-compiler or being built
2943 # native. However, it would be better to use other mechanisms to make the
2944 # sorts of decisions they want to make on this basis. Please consider
2945 # this option to be deprecated. FIXME.
2946 if test x${is_cross_compiler} = xyes ; then
2947 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2950 # Default to --enable-multilib.
2951 if test x${enable_multilib} = x ; then
2952 target_configargs="--enable-multilib ${target_configargs}"
2955 # Pass --with-newlib if appropriate. Note that target_configdirs has
2956 # changed from the earlier setting of with_newlib.
2957 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2958 target_configargs="--with-newlib ${target_configargs}"
2961 # Different target subdirs use different values of certain variables
2962 # (notably CXX). Worse, multilibs use *lots* of different values.
2963 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2964 # it doesn't automatically accept command-line overrides of them.
2965 # This means it's not safe for target subdirs to share a cache file,
2966 # which is disgusting, but there you have it. Hopefully this can be
2967 # fixed in future. It's still worthwhile to use a cache file for each
2968 # directory. I think.
2970 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2971 # We need to pass --target, as newer autoconf's requires consistency
2972 # for target_alias and gcc doesn't manage it consistently.
2973 target_configargs="--cache-file=./config.cache ${target_configargs}"
2976 case " $target_configdirs " in
2978 case " $target_configargs " in
2979 *" --with-newlib "*)
2982 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 $$s/winsup/w32api/include'
2986 # If we're not building GCC, don't discard standard headers.
2987 if test -d ${srcdir}/gcc; then
2988 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2990 if test "${build}" != "${host}"; then
2991 # On Canadian crosses, CC_FOR_TARGET will have already been set
2992 # by `configure', so we won't have an opportunity to add -Bgcc/
2993 # to it. This is right: we don't want to search that directory
2994 # for binaries, but we want the header files in there, so add
2996 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2998 # Someone might think of using the pre-installed headers on
2999 # Canadian crosses, in case the installed compiler is not fully
3000 # compatible with the compiler being built. In this case, it
3001 # would be better to flag an error than risking having
3002 # incompatible object files being constructed. We can't
3003 # guarantee that an error will be flagged, but let's hope the
3004 # compiler will do it, when presented with incompatible header
3009 case "${target}-${is_cross_compiler}" in
3010 i[[3456789]]86-*-linux*-no)
3011 # Here host == target, so we don't need to build gcc,
3012 # so we don't want to discard standard headers.
3013 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3016 # If we're building newlib, use its generic headers last, but search
3017 # for any libc-related directories first (so make it the last -B
3019 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3021 # If we're building libgloss, find the startup file, simulator library
3022 # and linker script.
3023 case " $target_configdirs " in
3025 # Look for startup file, simulator library and maybe linker script.
3026 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3027 # Look for libnosys.a in case the target needs it.
3028 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3029 # Most targets have the linker script in the source directory.
3030 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3041 x86_64-*mingw* | *-w64-mingw*)
3042 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3043 # however, use a symlink named 'mingw' in ${prefix} .
3044 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3047 # MinGW can't be handled as Cygwin above since it does not use newlib.
3048 FLAGS_FOR_TARGET=$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'
3052 # Allow the user to override the flags for
3053 # our build compiler if desired.
3054 if test x"${build}" = x"${host}" ; then
3055 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3056 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3057 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3060 # On Canadian crosses, we'll be searching the right directories for
3061 # the previously-installed cross compiler, so don't bother to add
3062 # flags for directories within the install tree of the compiler
3063 # being built; programs in there won't even run.
3064 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3065 # Search for pre-installed headers if nothing else fits.
3066 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3069 if test "x${use_gnu_ld}" = x &&
3070 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3071 # Arrange for us to find uninstalled linker scripts.
3072 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3075 # Search for other target-specific linker scripts and such.
3078 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3082 # Makefile fragments.
3083 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3085 eval fragval=\$$frag
3086 if test $fragval != /dev/null; then
3087 eval $frag=${srcdir}/$fragval
3090 AC_SUBST_FILE(host_makefile_frag)
3091 AC_SUBST_FILE(target_makefile_frag)
3092 AC_SUBST_FILE(alphaieee_frag)
3093 AC_SUBST_FILE(ospace_frag)
3095 # Miscellanea: directories, flags, etc.
3096 AC_SUBST(RPATH_ENVVAR)
3097 AC_SUBST(GCC_SHLIB_SUBDIR)
3099 AC_SUBST(build_tooldir)
3100 AC_SUBST(CONFIGURE_GDB_TK)
3102 AC_SUBST(INSTALL_GDB_TK)
3104 # Build module lists & subconfigure args.
3105 AC_SUBST(build_configargs)
3106 AC_SUBST(build_configdirs)
3108 # Host module lists & subconfigure args.
3109 AC_SUBST(host_configargs)
3110 AC_SUBST(configdirs)
3111 AC_SUBST(target_configdirs)
3113 # Target module lists & subconfigure args.
3114 AC_SUBST(target_configargs)
3118 AC_SUBST(AR_FOR_BUILD)
3119 AC_SUBST(AS_FOR_BUILD)
3120 AC_SUBST(CC_FOR_BUILD)
3121 AC_SUBST(CFLAGS_FOR_BUILD)
3122 AC_SUBST(CXXFLAGS_FOR_BUILD)
3123 AC_SUBST(CXX_FOR_BUILD)
3124 AC_SUBST(DLLTOOL_FOR_BUILD)
3125 AC_SUBST(GCJ_FOR_BUILD)
3126 AC_SUBST(GFORTRAN_FOR_BUILD)
3127 AC_SUBST(LDFLAGS_FOR_BUILD)
3128 AC_SUBST(LD_FOR_BUILD)
3129 AC_SUBST(NM_FOR_BUILD)
3130 AC_SUBST(RANLIB_FOR_BUILD)
3131 AC_SUBST(WINDMC_FOR_BUILD)
3132 AC_SUBST(WINDRES_FOR_BUILD)
3133 AC_SUBST(config_shell)
3135 # Generate default definitions for YACC, M4, LEX and other programs that run
3136 # on the build machine. These are used if the Makefile can't locate these
3137 # programs in objdir.
3138 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3140 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3141 case " $build_configdirs " in
3142 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3143 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3146 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3147 case " $build_configdirs " in
3148 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3151 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3152 case " $build_configdirs " in
3153 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3156 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3157 case " $build_configdirs " in
3158 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3159 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3162 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3163 case " $build_configdirs " in
3164 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3167 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3168 case " $build_configdirs " in
3169 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3172 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3173 # higher, else we use the "missing" dummy.
3174 if ${MAKEINFO} --version \
3175 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3178 MAKEINFO="$MISSING makeinfo"
3184 # FIXME: expect and dejagnu may become build tools?
3186 AC_CHECK_PROGS(EXPECT, expect, expect)
3187 case " $configdirs " in
3189 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3193 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3194 case " $configdirs " in
3196 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3202 NCN_STRICT_CHECK_TOOLS(AR, ar)
3203 NCN_STRICT_CHECK_TOOLS(AS, as)
3204 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3205 NCN_STRICT_CHECK_TOOLS(LD, ld)
3206 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3207 NCN_STRICT_CHECK_TOOLS(NM, nm)
3208 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
3209 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
3210 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3211 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3212 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3213 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3220 AC_ARG_WITH([build-time-tools],
3221 [ --with-build-time-tools=PATH
3222 use given path to find target tools during the build],
3223 [case x"$withval" in
3226 with_build_time_tools=
3227 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3230 [with_build_time_tools=])
3232 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3233 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3234 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3235 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3236 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3238 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3239 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3240 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3241 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3242 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3243 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3244 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3245 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
3246 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3247 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3248 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3250 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3252 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3253 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3254 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3255 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3256 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3258 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3259 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3261 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3262 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3263 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3264 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3265 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3266 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3267 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3268 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3269 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3270 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3271 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3272 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3273 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3274 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3276 AC_SUBST(FLAGS_FOR_TARGET)
3277 AC_SUBST(RAW_CXX_FOR_TARGET)
3279 # Certain tools may need extra flags.
3280 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3281 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3282 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3284 # When building target libraries, except in a Canadian cross, we use
3285 # the same toolchain as the compiler we just built.
3286 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3287 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3288 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3289 if test $host = $build; then
3290 case " $configdirs " in
3292 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3293 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3294 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3299 AC_SUBST(COMPILER_AS_FOR_TARGET)
3300 AC_SUBST(COMPILER_LD_FOR_TARGET)
3301 AC_SUBST(COMPILER_NM_FOR_TARGET)
3303 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3304 AC_ARG_ENABLE(maintainer-mode,
3305 [ --enable-maintainer-mode enable make rules and dependencies not useful
3306 (and sometimes confusing) to the casual installer],
3307 USE_MAINTAINER_MODE=$enableval,
3308 USE_MAINTAINER_MODE=no)
3309 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3310 AC_SUBST(MAINTAINER_MODE_TRUE)
3311 AC_SUBST(MAINTAINER_MODE_FALSE)
3312 if test "$USE_MAINTAINER_MODE" = yes; then
3313 MAINTAINER_MODE_TRUE=
3314 MAINTAINER_MODE_FALSE='#'
3316 MAINTAINER_MODE_TRUE='#'
3317 MAINTAINER_MODE_FALSE=
3319 MAINT=$MAINTAINER_MODE_TRUE
3322 # ---------------------
3323 # GCC bootstrap support
3324 # ---------------------
3326 # Stage specific cflags for build.
3331 yes) stage1_cflags="-g -Wa,-J" ;;
3332 *) stage1_cflags="-g -J" ;;
3336 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3337 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3338 saved_CFLAGS="$CFLAGS"
3340 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3341 CFLAGS="$CFLAGS -fkeep-inline-functions"
3342 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3344 #if (__GNUC__ < 3) \
3345 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3346 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3347 #error http://gcc.gnu.org/PR29382
3350 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3351 [AC_MSG_RESULT([no])])
3353 CFLAGS="$saved_CFLAGS"
3356 AC_SUBST(stage1_cflags)
3358 # Enable --enable-checking in stage1 of the compiler.
3359 AC_ARG_ENABLE(stage1-checking,
3360 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3362 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3363 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3364 stage1_checking=--enable-checking=yes,types
3366 stage1_checking=--enable-checking=$enable_checking,types
3368 AC_SUBST(stage1_checking)
3370 # Enable -Werror in bootstrap stage2 and later.
3371 AC_ARG_ENABLE(werror,
3372 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3373 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3378 case ${enable_werror} in
3379 yes) stage2_werror_flag="--enable-werror-always" ;;
3380 *) stage2_werror_flag="" ;;
3382 AC_SUBST(stage2_werror_flag)
3384 # Specify what files to not compare during bootstrap.
3386 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3388 hppa*64*-*-hpux*) ;;
3389 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3391 case " $configdirs " in
3392 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3394 AC_SUBST(compare_exclusions)
3396 AC_CONFIG_FILES([Makefile],
3397 [sed "$extrasub_build" Makefile |
3398 sed "$extrasub_host" |
3399 sed "$extrasub_target" > mf$$
3400 mv -f mf$$ Makefile],
3401 [extrasub_build="$extrasub_build"
3402 extrasub_host="$extrasub_host"
3403 extrasub_target="$extrasub_target"])