1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 ### we might need to use some other shell than /bin/sh for running subshells
93 ### If we are on Windows, search for the shell. This will permit people
94 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
95 ### without also having to set CONFIG_SHELL. This code will work when
96 ### using bash, which sets OSTYPE.
99 if test x${CONFIG_SHELL} = x ; then
100 if test ! -f /bin/sh ; then
101 if test x${SHELL} != x && test -f ${SHELL} ; then
102 CONFIG_SHELL=${SHELL}
105 for prog in sh sh.exe bash bash.exe; do
106 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
108 test -z "$dir" && dir=.
109 if test -f $dir/$prog; then
110 CONFIG_SHELL=$dir/$prog
116 test -n "${CONFIG_SHELL}" && break
124 config_shell=${CONFIG_SHELL-/bin/sh}
126 moveifchange=${srcdir}/move-if-change
128 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
130 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
132 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
133 INSTALL="${srcpwd}/install-sh -c"
136 # Set srcdir to "." if that's what it is.
137 # This is important for multilib support.
139 if test "${pwd}" = "${srcpwd}" ; then
147 ### To add a new directory to the tree, first choose whether it is a target
148 ### or a host dependent tool. Then put it into the appropriate list
149 ### (library or tools, host or target), doing a dependency sort.
151 # Subdirs will be configured in the order listed in build_configdirs,
152 # configdirs, or target_configdirs; see the serialization section below.
154 # Dependency sorting is only needed when *configuration* must be done in
155 # a particular order. In all cases a dependency should be specified in
156 # the Makefile, whether or not it's implicitly specified here.
158 # Double entries in build_configdirs, configdirs, or target_configdirs may
159 # cause circular dependencies and break everything horribly.
161 # these library is used by various programs built for the build
164 build_libs="build-libiberty"
166 # these tools are built for the build environment
167 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
169 # these libraries are used by various programs built for the host environment
171 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
173 # these tools are built for the host environment
174 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
175 # know that we are building the simulator.
176 # binutils, gas and ld appear in that order because it makes sense to run
177 # "make check" in that particular order.
178 # If --enable-gold is used, "gold" may replace "ld".
179 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
181 # libgcj represents the runtime libraries only used by gcj.
182 libgcj="target-libffi \
187 # these libraries are built for the target environment, and are built after
188 # the host libraries and the host tools (which may be a cross compiler)
189 # Note that libiberty is not a target library.
190 target_libraries="target-libgcc \
194 target-libstdc++-v3 \
205 # these tools are built using the target libraries, and are intended to
206 # run only in the target environment
208 # note: any program that *uses* libraries that are in the "target_libraries"
209 # list belongs in this list. those programs are also very likely
210 # candidates for the "native_only" list which follows
212 target_tools="target-examples target-groff target-gperf target-rda"
214 ################################################################################
216 ## All tools belong in one of the four categories, and are assigned above
217 ## We assign ${configdirs} this way to remove all embedded newlines. This
218 ## is important because configure will choke if they ever get through.
219 ## ${configdirs} is directories we build using the host tools.
220 ## ${target_configdirs} is directories we build using the target tools.
221 configdirs=`echo ${host_libs} ${host_tools}`
222 target_configdirs=`echo ${target_libraries} ${target_tools}`
223 build_configdirs=`echo ${build_libs} ${build_tools}`
225 m4_divert_text([PARSE_ARGS],
228 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
229 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
230 m4_popdef([AS_MESSAGE_LOG_FD])dnl
233 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
236 ################################################################################
238 srcname="gnu development package"
240 # This gets set non-empty for some net releases of packages.
243 # Define is_cross_compiler to save on calls to 'test'.
245 if test x"${host}" = x"${target}" ; then
248 is_cross_compiler=yes
251 # Find the build and target subdir names.
253 # Be sure to cover against remnants of an in-tree build.
254 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
255 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
256 Use a pristine source tree when building in a separate tree])
259 # Skipdirs are removed silently.
261 # Noconfigdirs are removed loudly.
265 # Make sure we don't let GNU ld be added if we didn't want it.
266 if test x$with_gnu_ld = xno ; then
268 noconfigdirs="$noconfigdirs ld gold"
272 # Make sure we don't let GNU as be added if we didn't want it.
273 if test x$with_gnu_as = xno ; then
275 noconfigdirs="$noconfigdirs gas"
279 # Make sure we don't let ZLIB be added if we didn't want it.
280 if test x$with_system_zlib = xyes ; then
282 noconfigdirs="$noconfigdirs zlib"
285 # some tools are so dependent upon X11 that if we're not building with X,
286 # it's not even worth trying to configure, much less build, that tool.
289 yes | "") ;; # the default value for this tree is that X11 is available
291 skipdirs="${skipdirs} tk itcl libgui"
292 # We won't be able to build gdbtk without X.
295 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
298 # Some tools are only suitable for building in a "native" situation.
299 # Remove these if host!=target.
300 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"
302 # Similarly, some are only suitable for cross toolchains.
303 # Remove these if host=target.
304 cross_only="target-libgloss target-newlib target-opcodes"
306 case $is_cross_compiler in
307 no) skipdirs="${skipdirs} ${cross_only}" ;;
308 yes) skipdirs="${skipdirs} ${native_only}" ;;
311 # If both --with-headers and --with-libs are specified, default to
313 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
314 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
315 if test x"${with_newlib}" = x ; then
320 # Recognize --with-newlib/--without-newlib.
321 case ${with_newlib} in
322 no) skipdirs="${skipdirs} target-newlib" ;;
323 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
326 # Handle --enable-gold, --enable-ld.
327 # --disable-gold [--enable-ld]
328 # Build only ld. Default option.
329 # --enable-gold [--enable-ld]
330 # Build both gold and ld. Install gold as "ld.gold", install ld
331 # as "ld.bfd" and "ld".
332 # --enable-gold=default [--enable-ld]
333 # Build both gold and ld. Install gold as "ld.gold" and "ld",
334 # install ld as "ld.bfd".
335 # --enable-gold[=default] --disable-ld
336 # Build only gold, which is then installed as both "ld.gold" and "ld".
337 # --enable-gold --enable-ld=default
338 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
340 # In other words, ld is default
341 # --enable-gold=default --enable-ld=default
346 [AS_HELP_STRING([[--enable-gold[=ARG]]],
347 [build gold @<:@ARG={default,yes,no}@:>@])],
348 ENABLE_GOLD=$enableval,
350 case "${ENABLE_GOLD}" in
352 # Check for ELF target.
355 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
356 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
357 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
359 *-*-linux*aout* | *-*-linux*oldld*)
367 if test "$is_elf" = "yes"; then
368 # Check for target supported by gold.
370 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
371 configdirs="$configdirs gold"
372 if test x${ENABLE_GOLD} = xdefault; then
383 AC_MSG_ERROR([invalid --enable-gold argument])
388 [AS_HELP_STRING([[--enable-ld[=ARG]]],
389 [build ld @<:@ARG={default,yes,no}@:>@])],
390 ENABLE_LD=$enableval,
393 case "${ENABLE_LD}" in
395 if test x${default_ld} != x; then
396 AC_MSG_ERROR([either gold or ld can be the default ld])
402 if test x${ENABLE_GOLD} != xyes; then
403 AC_MSG_WARN([neither ld nor gold are enabled])
405 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
408 AC_MSG_ERROR([invalid --enable-ld argument])
412 # Configure extra directories which are host specific
416 configdirs="$configdirs libtermcap" ;;
419 # A target can indicate whether a language isn't supported for some reason.
420 # Only spaces may be used in this macro; not newlines or tabs.
421 unsupported_languages=
423 # Remove more programs from consideration, based on the host or
424 # target this usually means that a port of the program doesn't
429 noconfigdirs="$noconfigdirs byacc"
431 i[[3456789]]86-*-vsta)
432 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
434 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
435 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
438 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
440 i[[3456789]]86-*-mingw32*)
441 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
442 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
444 i[[3456789]]86-*-beos*)
445 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
448 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
451 noconfigdirs="$noconfigdirs rcs"
454 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
457 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
462 AC_ARG_ENABLE(libquadmath,
463 AS_HELP_STRING([--disable-libquadmath],
464 [do not build libquadmath directory]),
465 ENABLE_LIBQUADMATH=$enableval,
466 ENABLE_LIBQUADMATH=yes)
467 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
468 noconfigdirs="$noconfigdirs target-libquadmath"
472 AC_ARG_ENABLE(libquadmath-support,
473 AS_HELP_STRING([--disable-libquadmath-support],
474 [disable libquadmath support for Fortran]),
475 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
476 ENABLE_LIBQUADMATH_SUPPORT=yes)
477 enable_libquadmath_support=
478 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
479 enable_libquadmath_support=no
483 AC_ARG_ENABLE(libada,
484 [AS_HELP_STRING([--enable-libada], [build libada directory])],
485 ENABLE_LIBADA=$enableval,
487 if test "${ENABLE_LIBADA}" != "yes" ; then
488 noconfigdirs="$noconfigdirs gnattools"
491 AC_ARG_ENABLE(libssp,
492 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
493 ENABLE_LIBSSP=$enableval,
496 # Save it here so that, even in case of --enable-libgcj, if the Java
497 # front-end isn't enabled, we still get libgcj disabled.
499 case $enable_libgcj in
501 # If we reset it here, it won't get added to noconfigdirs in the
502 # target-specific build rules, so it will be forcibly enabled
503 # (unless the Java language itself isn't enabled).
507 # Make sure we get it printed in the list of not supported target libs.
508 # Don't disable libffi, though, other languages use it.
509 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
510 # Clear libgcj_saved so that even if java is enabled libffi won't be
517 # Disable libmudflap on some systems.
518 if test x$enable_libmudflap = x ; then
520 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
521 # Enable libmudflap by default in GNU and friends.
524 # Enable libmudflap by default in FreeBSD.
527 # Disable it by default everywhere else.
528 noconfigdirs="$noconfigdirs target-libmudflap"
533 # Disable libgomp on non POSIX hosted systems.
534 if test x$enable_libgomp = x ; then
535 # Enable libgomp by default on hosted POSIX systems.
537 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
539 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
541 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
543 *-*-darwin* | *-*-aix*)
546 noconfigdirs="$noconfigdirs target-libgomp"
551 # Default libgloss CPU subdirectory.
552 libgloss_dir="$target_cpu"
556 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
559 noconfigdirs="$noconfigdirs ld gas gdb gprof"
560 noconfigdirs="$noconfigdirs sim target-rda"
562 i[[3456789]]86-*-darwin*)
563 noconfigdirs="$noconfigdirs ld gprof"
564 noconfigdirs="$noconfigdirs sim target-rda"
566 x86_64-*-darwin[[912]]*)
567 noconfigdirs="$noconfigdirs ld gas gprof"
568 noconfigdirs="$noconfigdirs sim target-rda"
571 noconfigdirs="$noconfigdirs ld gas gdb gprof"
572 noconfigdirs="$noconfigdirs sim target-rda"
573 noconfigdirs="$noconfigdirs ${libgcj}"
575 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
576 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
579 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
580 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
581 && test -f /usr/local/include/gmp.h; then
585 # Skip some stuff that's unsupported on some FreeBSD configurations.
591 noconfigdirs="$noconfigdirs ${libgcj}"
596 # Remove unsupported stuff on all kaOS configurations.
597 skipdirs="${libgcj} target-libstdc++-v3 target-librx"
598 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
599 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
600 noconfigdirs="$noconfigdirs target-libgloss"
603 # Skip some stuff on all NetBSD configurations.
604 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
606 # Skip some stuff that's unsupported on some NetBSD configurations.
608 i*86-*-netbsdelf*) ;;
609 arm*-*-netbsdelf*) ;;
611 noconfigdirs="$noconfigdirs ${libgcj}"
616 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj} target-libmudflap"
619 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
621 # The tpf target doesn't support gdb yet.
623 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
626 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
629 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libstdc++-v3 ${libgcj}"
632 # ld works, but does not support shared libraries.
633 # newlib is not 64 bit ready. I'm not sure about fileutils.
634 # gas doesn't generate exception information.
635 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
638 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
641 # newlib is not 64 bit ready
642 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
645 # newlib is not 64 bit ready
646 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
649 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
652 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
654 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
655 noconfigdirs="$noconfigdirs ${libgcj}"
656 noconfigdirs="$noconfigdirs target-examples"
657 noconfigdirs="$noconfigdirs texinfo send-pr"
658 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
659 noconfigdirs="$noconfigdirs expect dejagnu"
660 # the C++ libraries don't build on top of CE's C libraries
661 noconfigdirs="$noconfigdirs target-libstdc++-v3"
662 noconfigdirs="$noconfigdirs target-newlib"
664 *-*-cygwin*) ;; # keep gdb and readline
665 *) noconfigdirs="$noconfigdirs gdb readline"
671 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
675 arm-*-coff | strongarm-*-coff | xscale-*-coff)
676 noconfigdirs="$noconfigdirs ${libgcj}"
679 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
680 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
683 arm*-*-linux-gnueabi)
684 noconfigdirs="$noconfigdirs target-qthreads"
685 case ${with_newlib} in
686 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
691 noconfigdirs="$noconfigdirs ${libgcj}"
695 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
698 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
701 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
704 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
707 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
710 noconfigdirs="$noconfigdirs target-libstdc++-v3 ${libgcj} target-libssp"
713 unsupported_languages="$unsupported_languages java"
714 noconfigdirs="$noconfigdirs target-boehm-gc"
715 if test x${is_cross_compiler} != xno ; then
716 target_configdirs="${target_configdirs} target-bsp target-cygmon"
720 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
722 c54x*-*-* | tic54x-*-*)
723 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
726 noconfigdirs="$noconfigdirs ${libgcj} gdb"
728 cris-*-* | crisv32-*-*)
729 unsupported_languages="$unsupported_languages java"
732 unsupported_languages="$unsupported_languages fortran"
733 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
734 *-*-elf) # See PR46792 regarding target-libffi.
735 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
737 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
739 unsupported_languages="$unsupported_languages fortran"
740 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
745 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
748 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
751 noconfigdirs="$noconfigdirs ${libgcj} gdb"
753 ep9312-*-elf | ep9312-*-coff)
757 noconfigdirs="$noconfigdirs ${libgcj} gdb"
760 noconfigdirs="$noconfigdirs ${libgcj}"
763 noconfigdirs="$noconfigdirs ${libgcj}"
764 noconfigdirs="$noconfigdirs gprof"
767 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
770 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
772 hppa1.1-*-osf* | hppa1.1-*-bsd* )
774 hppa*64*-*-linux* | parisc*64*-*-linux*)
775 # In this case, it's because the hppa64-linux target is for
776 # the kernel only at this point and has no libc, and thus no
777 # headers, crt*.o, etc., all of which are needed by these.
778 noconfigdirs="$noconfigdirs target-zlib"
780 parisc*-*-linux* | hppa*-*-linux*)
786 noconfigdirs="$noconfigdirs ${libgcj}"
789 noconfigdirs="$noconfigdirs ld shellutils"
795 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
796 # build on HP-UX 10.20.
797 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
800 noconfigdirs="$noconfigdirs ${libgcj} gdb"
803 # No gdb support yet.
804 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
808 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
811 # No gdb or ld support yet.
812 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
816 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
817 noconfigdirs="$noconfigdirs ${libgcj}"
820 i[[3456789]]86-*-linux*)
821 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
822 # not build java stuff by default.
825 noconfigdirs="$noconfigdirs ${libgcj}";;
828 # This section makes it possible to build newlib natively on linux.
829 # If we are using a cross compiler then don't configure newlib.
830 if test x${is_cross_compiler} != xno ; then
831 noconfigdirs="$noconfigdirs target-newlib"
833 noconfigdirs="$noconfigdirs target-libgloss"
834 # If we are not using a cross compiler, do configure newlib.
835 # Note however, that newlib will only be configured in this situation
836 # if the --with-newlib option has been given, because otherwise
837 # 'target-newlib' will appear in skipdirs.
839 i[[3456789]]86-w64-mingw*)
840 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
842 i[[3456789]]86-*-mingw*)
843 target_configdirs="$target_configdirs target-winsup"
844 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
847 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
850 target_configdirs="$target_configdirs target-libtermcap target-winsup"
851 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
852 # always build newlib if winsup directory is present.
853 if test -d "$srcdir/winsup/cygwin"; then
854 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
855 elif test -d "$srcdir/newlib"; then
856 echo "Warning: winsup/cygwin is missing so newlib can't be built."
859 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
860 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
863 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
865 i[[3456789]]86-*-sco3.2v5*)
866 # The linker does not yet know about weak symbols in COFF,
867 # and is not configured to handle mixed ELF and COFF.
868 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
870 i[[3456789]]86-*-sco*)
871 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
873 i[[3456789]]86-*-solaris2*)
874 noconfigdirs="$noconfigdirs target-libgloss"
876 i[[3456789]]86-*-sysv4*)
877 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
879 i[[3456789]]86-*-beos*)
880 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
882 i[[3456789]]86-*-rdos*)
883 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
886 noconfigdirs="$noconfigdirs ${libgcj}"
888 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
889 noconfigdirs="$noconfigdirs target-libstdc++-v3 ${libgcj}"
893 noconfigdirs="$noconfigdirs ${libgcj}"
896 noconfigdirs="$noconfigdirs ${libgcj}"
902 # The EPOC C++ environment does not support exceptions or rtti,
903 # and so building libstdc++-v3 tends not to always work.
904 noconfigdirs="$noconfigdirs target-libstdc++-v3"
907 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
908 unsupported_languages="$unsupported_languages fortran java"
911 noconfigdirs="$noconfigdirs ${libgcj}"
914 noconfigdirs="$noconfigdirs ${libgcj}"
917 noconfigdirs="$noconfigdirs sim"
920 # copied from rs6000-*-* entry
921 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
923 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
924 target_configdirs="$target_configdirs target-winsup"
925 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
926 # always build newlib.
927 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
929 # This is temporary until we can link against shared libraries
930 powerpcle-*-solaris*)
931 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
935 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
938 noconfigdirs="$noconfigdirs ${libgcj}"
941 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
945 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
948 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
951 noconfigdirs="$noconfigdirs gprof ${libgcj}"
954 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
957 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
960 noconfigdirs="$noconfigdirs ${libgcj}"
961 if test x$with_newlib = xyes; then
962 noconfigdirs="$noconfigdirs gprof"
967 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
970 # Linking libjava exceeds command-line length limits on at least
971 # IRIX 6.2, but not on IRIX 6.5.
972 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
973 # <oldham@codesourcery.com>
974 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
977 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
980 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
983 noconfigdirs="$noconfigdirs gprof ${libgcj}"
987 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
991 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
992 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
993 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
994 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
998 noconfigdirs="$noconfigdirs ${libgcj}" ;;
1000 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
1003 sparclet-*-aout* | sparc86x-*-*)
1007 noconfigdirs="$noconfigdirs ${libgcj}"
1010 noconfigdirs="$noconfigdirs ${libgcj}"
1014 noconfigdirs="$noconfigdirs ${libgcj}"
1018 noconfigdirs="$noconfigdirs ${libgcj}"
1019 if test x${is_cross_compiler} != xno ; then
1020 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1025 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
1026 noconfigdirs="$noconfigdirs ${libgcj}"
1028 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
1031 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
1034 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
1037 noconfigdirs="$noconfigdirs ${libgcj}"
1040 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
1043 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1046 noconfigdirs="$noconfigdirs ${libgcj}"
1049 noconfigdirs="$noconfigdirs target-libstdc++-v3 ${libgcj}"
1051 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1052 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1055 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1058 noconfigdirs="$noconfigdirs ${libgcj}"
1062 # If we aren't building newlib, then don't build libgloss, since libgloss
1063 # depends upon some newlib header files.
1064 case "${noconfigdirs}" in
1065 *target-libgloss*) ;;
1066 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1069 # Work in distributions that contain no compiler tools, like Autoconf.
1071 host_makefile_frag=/dev/null
1072 if test -d ${srcdir}/config ; then
1075 # Avoid "too much defining" errors from HPUX compiler.
1076 tentative_cc="cc -Wp,-H256000"
1077 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1078 # If it's HP/UX ar, this should be harmless.
1082 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1085 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1086 # chokes on bfd, the compiler won't let you assign integers to enums, and
1087 # other problems. Defining CC to gcc is a questionable way to say "don't use
1088 # the apollo compiler" (the preferred version of GCC could be called cc,
1089 # or whatever), but I'm not sure leaving CC as cc is any better...
1090 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1091 # Used to have BISON=yacc.
1095 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1098 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1099 tentative_cc="cc -Xa"
1100 host_makefile_frag="config/mh-cxux"
1102 m88k-motorola-sysv*)
1105 tentative_cc="cc -Wf,-XNg1000"
1106 host_makefile_frag="config/mh-decstation"
1109 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1110 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1111 host_makefile_frag="config/mh-necv4"
1114 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1115 # environment. Also bump switch table size so that cp-parse will
1116 # compile. Bump string length limit so linker builds.
1117 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1120 host_makefile_frag="config/mh-sysv4"
1123 # This is for a MIPS running RISC/os 4.52C.
1125 # This is needed for GDB, but needs to be in the top-level make because
1126 # if a library is compiled with the bsd headers and gets linked with the
1127 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1128 # a different size).
1129 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1130 # known except to select the sysv environment. Could we use /proc instead?
1131 # These "sysv environments" and "bsd environments" often end up being a pain.
1133 # This is not part of CFLAGS because perhaps not all C compilers have this
1135 tentative_cc="cc -systype sysv"
1140 i[[3456789]]86-*-sysv5*)
1141 host_makefile_frag="config/mh-sysv5"
1143 i[[3456789]]86-*-dgux*)
1144 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1145 host_makefile_frag="config/mh-dgux386"
1147 i[[3456789]]86-ncr-sysv4.3*)
1148 # The MetaWare compiler will generate a copyright message unless you
1149 # turn it off by adding the -Hnocopyr flag.
1150 tentative_cc="cc -Hnocopyr"
1152 i[[3456789]]86-ncr-sysv4*)
1153 # for an NCR 3000 (i486/SVR4) system.
1154 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1155 # This compiler not only emits obnoxious copyright messages every time
1156 # you run it, but it chokes and dies on a whole bunch of GNU source
1157 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1158 tentative_cc="/usr/ccs/ATT/cc"
1159 host_makefile_frag="config/mh-ncr3000"
1161 i[[3456789]]86-*-sco3.2v5*)
1163 i[[3456789]]86-*-sco*)
1164 # The native C compiler botches some simple uses of const. Unfortunately,
1165 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1166 tentative_cc="cc -Dconst="
1167 host_makefile_frag="config/mh-sco"
1169 i[[3456789]]86-*-udk*)
1170 host_makefile_frag="config/mh-sysv5"
1172 i[[3456789]]86-*-solaris2*)
1173 host_makefile_frag="config/mh-sysv4"
1175 i[[3456789]]86-*-msdosdjgpp*)
1176 host_makefile_frag="config/mh-djgpp"
1179 ACX_CHECK_CYGWIN_CAT_WORKS
1180 host_makefile_frag="config/mh-cygwin"
1183 host_makefile_frag="config/mh-mingw"
1186 host_makefile_frag="config/mh-interix"
1189 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1193 host_makefile_frag="config/mh-solaris"
1196 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1197 # without overflowing the jump tables (-J says to use a 32 bit table)
1198 tentative_cc="cc -J"
1201 tentative_cc="cc -Wp,-H256000"
1202 host_makefile_frag="config/mh-pa-hpux10"
1204 hppa*-hp-hpux* | hppa*-*-hiux*)
1205 tentative_cc="cc -Wp,-H256000"
1206 host_makefile_frag="config/mh-pa"
1209 host_makefile_frag="config/mh-pa"
1211 *-hp-hpux* | *-*-hiux*)
1212 tentative_cc="cc -Wp,-H256000"
1215 # /bin/cc is less than useful for our purposes. Always use GCC
1216 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1217 host_makefile_frag="config/mh-lynxrs6k"
1220 host_makefile_frag="config/mh-darwin"
1223 host_makefile_frag="config/mh-ppc-aix"
1226 host_makefile_frag="config/mh-ppc-aix"
1229 # /bin/cc is less than useful for our purposes. Always use GCC
1230 tentative_cc="/bin/gcc"
1233 host_makefile_frag="config/mh-sysv4"
1235 # This is placed last to prevent interfering with the cases above.
1237 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1238 host_makefile_frag="config/mh-x86omitfp"
1243 # If we aren't going to be using gcc, see if we can extract a definition
1244 # of CC from the fragment.
1245 # Actually, use the 'pre-extracted' version above.
1246 if test -z "${CC}" && test "${build}" = "${host}" ; then
1247 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1249 for dir in $PATH; do
1250 test -z "$dir" && dir=.
1251 if test -f $dir/gcc; then
1257 if test -z "${found}" && test -n "${tentative_cc}" ; then
1262 if test "${build}" != "${host}" ; then
1263 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1264 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1265 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1266 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1267 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1268 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1269 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1270 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1271 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1272 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1273 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1274 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1275 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1277 AR_FOR_BUILD="\$(AR)"
1278 AS_FOR_BUILD="\$(AS)"
1279 CC_FOR_BUILD="\$(CC)"
1280 CXX_FOR_BUILD="\$(CXX)"
1281 GCJ_FOR_BUILD="\$(GCJ)"
1282 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1283 GOC_FOR_BUILD="\$(GOC)"
1284 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1285 LD_FOR_BUILD="\$(LD)"
1286 NM_FOR_BUILD="\$(NM)"
1287 RANLIB_FOR_BUILD="\$(RANLIB)"
1288 WINDRES_FOR_BUILD="\$(WINDRES)"
1289 WINDMC_FOR_BUILD="\$(WINDMC)"
1295 # We must set the default linker to the linker used by gcc for the correct
1296 # operation of libtool. If LD is not defined and we are using gcc, try to
1297 # set the LD default to the ld used by gcc.
1298 if test -z "$LD"; then
1299 if test "$GCC" = yes; then
1302 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1304 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1306 case $gcc_prog_ld in
1307 # Accept absolute paths.
1308 [[\\/]* | [A-Za-z]:[\\/]*)]
1309 LD="$gcc_prog_ld" ;;
1315 ACX_PROG_CMP_IGNORE_INITIAL
1317 # See if we are building gcc with C++.
1318 AC_ARG_ENABLE(build-with-cxx,
1319 [AS_HELP_STRING([--enable-build-with-cxx],
1320 [build with C++ compiler instead of C compiler])],
1321 ENABLE_BUILD_WITH_CXX=$enableval,
1322 ENABLE_BUILD_WITH_CXX=no)
1324 # Used for setting $lt_cv_objdir
1327 # Check for GMP, MPFR and MPC
1328 gmplibs="-lmpc -lmpfr -lgmp"
1332 # Specify a location for mpc
1333 # check for this first so it ends up on the link line before mpfr.
1335 [AS_HELP_STRING([--with-mpc=PATH],
1336 [specify prefix directory for installed MPC package.
1337 Equivalent to --with-mpc-include=PATH/include
1338 plus --with-mpc-lib=PATH/lib])])
1339 AC_ARG_WITH(mpc-include,
1340 [AS_HELP_STRING([--with-mpc-include=PATH],
1341 [specify directory for installed MPC include files])])
1342 AC_ARG_WITH(mpc-lib,
1343 [AS_HELP_STRING([--with-mpc-lib=PATH],
1344 [specify directory for the installed MPC library])])
1346 if test "x$with_mpc" != x; then
1347 gmplibs="-L$with_mpc/lib $gmplibs"
1348 gmpinc="-I$with_mpc/include $gmpinc"
1350 if test "x$with_mpc_include" != x; then
1351 gmpinc="-I$with_mpc_include $gmpinc"
1353 if test "x$with_mpc_lib" != x; then
1354 gmplibs="-L$with_mpc_lib $gmplibs"
1356 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1357 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1358 gmpinc='-I$$s/mpc/src '"$gmpinc"
1359 # Do not test the mpc version. Assume that it is sufficient, since
1360 # it is in the source tree, and the library has not been built yet
1361 # but it would be included on the link line in the version check below
1362 # hence making the test fail.
1366 # Specify a location for mpfr
1367 # check for this first so it ends up on the link line before gmp.
1368 AC_ARG_WITH(mpfr-dir,
1369 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1370 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1371 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1374 [AS_HELP_STRING([--with-mpfr=PATH],
1375 [specify prefix directory for installed MPFR package.
1376 Equivalent to --with-mpfr-include=PATH/include
1377 plus --with-mpfr-lib=PATH/lib])])
1378 AC_ARG_WITH(mpfr-include,
1379 [AS_HELP_STRING([--with-mpfr-include=PATH],
1380 [specify directory for installed MPFR include files])])
1381 AC_ARG_WITH(mpfr-lib,
1382 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1383 [specify directory for the installed MPFR library])])
1385 if test "x$with_mpfr" != x; then
1386 gmplibs="-L$with_mpfr/lib $gmplibs"
1387 gmpinc="-I$with_mpfr/include $gmpinc"
1389 if test "x$with_mpfr_include" != x; then
1390 gmpinc="-I$with_mpfr_include $gmpinc"
1392 if test "x$with_mpfr_lib" != x; then
1393 gmplibs="-L$with_mpfr_lib $gmplibs"
1395 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1396 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1397 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1398 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1399 # Do not test the mpfr version. Assume that it is sufficient, since
1400 # it is in the source tree, and the library has not been built yet
1401 # but it would be included on the link line in the version check below
1402 # hence making the test fail.
1406 # Specify a location for gmp
1407 AC_ARG_WITH(gmp-dir,
1408 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1409 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1410 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1413 [AS_HELP_STRING([--with-gmp=PATH],
1414 [specify prefix directory for the installed GMP package.
1415 Equivalent to --with-gmp-include=PATH/include
1416 plus --with-gmp-lib=PATH/lib])])
1417 AC_ARG_WITH(gmp-include,
1418 [AS_HELP_STRING([--with-gmp-include=PATH],
1419 [specify directory for installed GMP include files])])
1420 AC_ARG_WITH(gmp-lib,
1421 [AS_HELP_STRING([--with-gmp-lib=PATH],
1422 [specify directory for the installed GMP library])])
1425 if test "x$with_gmp" != x; then
1426 gmplibs="-L$with_gmp/lib $gmplibs"
1427 gmpinc="-I$with_gmp/include $gmpinc"
1429 if test "x$with_gmp_include" != x; then
1430 gmpinc="-I$with_gmp_include $gmpinc"
1432 if test "x$with_gmp_lib" != x; then
1433 gmplibs="-L$with_gmp_lib $gmplibs"
1435 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1436 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1437 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1438 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1439 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1440 # Do not test the gmp version. Assume that it is sufficient, since
1441 # it is in the source tree, and the library has not been built yet
1442 # but it would be included on the link line in the version check below
1443 # hence making the test fail.
1447 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1449 saved_CFLAGS="$CFLAGS"
1450 CFLAGS="$CFLAGS $gmpinc"
1451 # Check for the recommended and required versions of GMP.
1452 AC_MSG_CHECKING([for the correct version of gmp.h])
1453 AC_TRY_COMPILE([#include "gmp.h"],[
1454 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1455 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1456 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1459 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1460 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1461 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1462 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1465 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1466 [AC_MSG_RESULT([no]); have_gmp=no])
1468 # If we have GMP, check the MPFR version.
1469 if test x"$have_gmp" = xyes; then
1470 # Check for the recommended and required versions of MPFR.
1471 AC_MSG_CHECKING([for the correct version of mpfr.h])
1472 AC_TRY_COMPILE([#include <gmp.h>
1473 #include <mpfr.h>],[
1474 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1477 ], [AC_TRY_COMPILE([#include <gmp.h>
1478 #include <mpfr.h>],[
1479 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1482 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1483 [AC_MSG_RESULT([no]); have_gmp=no])
1486 # Check for the MPC header version.
1487 if test x"$have_gmp" = xyes ; then
1488 # Check for the recommended and required versions of MPC.
1489 AC_MSG_CHECKING([for the correct version of mpc.h])
1490 AC_TRY_COMPILE([#include <mpc.h>],[
1491 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1494 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1495 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1498 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1499 [AC_MSG_RESULT([no]); have_gmp=no])
1502 # Now check the MPFR library.
1503 if test x"$have_gmp" = xyes; then
1505 LIBS="$LIBS $gmplibs"
1506 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1507 AC_TRY_LINK([#include <mpc.h>],[
1514 mpfr_atan2 (n, n, x, GMP_RNDN);
1515 mpfr_erfc (n, x, GMP_RNDN);
1516 mpfr_subnormalize (x, t, GMP_RNDN);
1520 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1521 mpc_cosh (c, c, MPC_RNDNN);
1522 mpc_pow (c, c, c, MPC_RNDNN);
1523 mpc_acosh (c, c, MPC_RNDNN);
1525 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1529 CFLAGS="$saved_CFLAGS"
1531 # The library versions listed in the error message below should match
1532 # the HARD-minimums enforced above.
1533 if test x$have_gmp != xyes; then
1534 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1535 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1536 their locations. Source code for these libraries can be found at
1537 their respective hosting sites as well as at
1538 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1539 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1540 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1541 make sure that you have installed both the libraries and the header
1542 files. They may be located in separate packages.])
1546 # Flags needed for both GMP, MPFR and/or MPC.
1549 AC_SUBST(extra_mpfr_configure_flags)
1550 AC_SUBST(extra_mpc_gmp_configure_flags)
1551 AC_SUBST(extra_mpc_mpfr_configure_flags)
1553 # Allow host libstdc++ to be specified for static linking with PPL.
1554 AC_ARG_WITH(host-libstdcxx,
1555 [AS_HELP_STRING([--with-host-libstdcxx=L],
1556 [use linker arguments L to link with libstdc++
1557 when linking with PPL])])
1559 case $with_host_libstdcxx in
1561 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1565 # Linker flags to use for stage1 or when not boostrapping.
1566 AC_ARG_WITH(stage1-ldflags,
1567 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1568 [if test "$withval" = "no" -o "$withval" = "yes"; then
1571 stage1_ldflags=$withval
1574 AC_SUBST(stage1_ldflags)
1576 # Libraries to use for stage1 or when not bootstrapping.
1577 AC_ARG_WITH(stage1-libs,
1578 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1579 [if test "$withval" = "no" -o "$withval" = "yes"; then
1582 stage1_libs=$withval
1584 [stage1_libs=$with_host_libstdcxx])
1585 AC_SUBST(stage1_libs)
1587 # Libraries to use for stage2 and later builds. This defaults to the
1588 # argument passed to --with-host-libstdcxx.
1589 AC_ARG_WITH(boot-libs,
1590 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1591 [if test "$withval" = "no" -o "$withval" = "yes"; then
1594 poststage1_libs=$withval
1596 [poststage1_libs=$with_host_libstdcxx])
1597 AC_SUBST(poststage1_libs)
1599 # Linker flags to use for stage2 and later builds.
1600 AC_ARG_WITH(boot-ldflags,
1601 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1602 [linker flags for stage2 and later])],
1603 [if test "$withval" = "no" -o "$withval" = "yes"; then
1606 poststage1_ldflags=$withval
1608 [poststage1_ldflags=
1609 # In stages 2 and 3, default to linking libstdc++ and libgcc
1610 # statically. But if the user explicitly specified the libraries to
1611 # use, trust that they are doing what they want.
1612 if test "$poststage1_libs" = ""; then
1613 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1615 AC_SUBST(poststage1_ldflags)
1623 [AS_HELP_STRING([--with-ppl=PATH],
1624 [specify prefix directory for the installed PPL package.
1625 Equivalent to --with-ppl-include=PATH/include
1626 plus --with-ppl-lib=PATH/lib])])
1627 AC_ARG_WITH(ppl-include,
1628 [AS_HELP_STRING([--with-ppl-include=PATH],
1629 [specify directory for installed PPL include files])])
1630 AC_ARG_WITH(ppl-lib,
1631 [AS_HELP_STRING([--with-ppl-lib=PATH],
1632 [specify directory for the installed PPL library])])
1634 AC_ARG_ENABLE(ppl-version-check,
1635 [AS_HELP_STRING([--disable-ppl-version-check],
1636 [disable check for PPL version])])
1642 ppllibs="-L$with_ppl/lib"
1643 pplinc="-I$with_ppl/include $pplinc"
1644 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1647 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1652 if test x"$with_ppl_include" != x; then
1653 pplinc="-I$with_ppl_include $pplinc"
1657 if test "x$with_ppl_lib" != x; then
1658 ppllibs="-L$with_ppl_lib"
1662 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1663 if test x"$enable_watchdog" = xyes; then
1666 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1667 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1668 enable_ppl_version_check=no
1672 if test "x$with_ppl" != xno; then
1673 if test "x$pwllib" = x; then
1674 saved_LDFLAGS="$LDFLAGS"
1675 LDFLAGS="$LDFLAGS $ppllibs"
1676 AC_CHECK_LIB(pwl,PWL_handle_timeout,[pwllib="-lpwl"])
1677 LDFLAGS="$saved_LDFLAGS"
1680 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1682 if test "$enable_ppl_version_check" != no; then
1683 saved_CFLAGS="$CFLAGS"
1684 CFLAGS="$CFLAGS $pplinc $gmpinc"
1685 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1686 AC_TRY_COMPILE([#include "ppl_c.h"],[
1687 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1690 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1691 CFLAGS="$saved_CFLAGS"
1695 # Flags needed for PPL
1702 dnl Provide configure switches and initialize clooginc & clooglibs
1703 dnl with user input.
1705 if test "x$with_ppl" = "xno"; then
1706 dnl Only execute fail-action, if CLooG has been requested.
1707 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1708 if test "${graphite_requested}" = yes; then
1709 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1713 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1714 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1715 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1716 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1718 if test "x$with_cloog" != "xno"; then
1719 dnl The minimal version of CLooG required for Graphite.
1721 dnl If we use CLooG-Legacy, the provided version information is
1723 CLOOG_CHECK_VERSION(0,16,1)
1725 dnl Only execute fail-action, if CLooG has been requested.
1727 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1730 # Check for LTO support.
1732 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1733 enable_lto=$enableval,
1734 enable_lto=yes; default_enable_lto=yes)
1736 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1737 build_lto_plugin=yes
1738 ],[if test x"$default_enable_lto" = x"yes" ; then
1740 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
1741 # On other non-ELF platforms, LTO has yet to be validated.
1745 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1746 # It would also be nice to check the binutils support, but we don't
1747 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1748 # warn during gcc/ subconfigure; unless you're bootstrapping with
1749 # -flto it won't be needed until after installation anyway.
1751 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1752 *) if test x"$enable_lto" = x"yes"; then
1753 AC_MSG_ERROR([LTO support is not enabled for this target.])
1758 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1759 # Build it unless LTO was explicitly disabled.
1761 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1767 # By default, C is the only stage 1 language.
1768 stage1_languages=,c,
1770 # Target libraries that we bootstrap.
1771 bootstrap_target_libs=,target-libgcc,
1773 # Figure out what language subdirectories are present.
1774 # Look if the user specified --enable-languages="..."; if not, use
1775 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1777 # NB: embedded tabs in this IF block -- do not untabify
1778 if test -d ${srcdir}/gcc; then
1779 if test x"${enable_languages+set}" != xset; then
1780 if test x"${LANGUAGES+set}" = xset; then
1781 enable_languages="${LANGUAGES}"
1782 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1784 enable_languages=all
1787 if test x"${enable_languages}" = x ||
1788 test x"${enable_languages}" = xyes;
1790 echo configure.in: --enable-languages needs at least one language argument 1>&2
1794 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1796 # 'f95' is the old name for the 'fortran' language. We issue a warning
1797 # and make the substitution.
1798 case ,${enable_languages}, in
1800 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1801 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1805 # First scan to see if an enabled language requires some other language.
1806 # We assume that a given config-lang.in will list all the language
1807 # front ends it requires, even if some are required indirectly.
1808 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1809 case ${lang_frag} in
1811 # The odd quoting in the next line works around
1812 # an apparent bug in bash 1.12 on linux.
1813 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1815 # From the config-lang.in, get $language, $lang_requires, and
1816 # $lang_requires_boot_languages.
1819 lang_requires_boot_languages=
1821 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1822 case ,${enable_languages}, in
1826 echo " \`$other' language required by \`$language'; enabling" 1>&2
1827 enable_languages="${enable_languages},${other}"
1831 for other in ${lang_requires_boot_languages} ; do
1832 if test "$other" != "c"; then
1833 case ,${enable_stage1_languages}, in
1837 case ,${enable_languages}, in
1839 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1840 enable_stage1_languages="$enable_stage1_languages,${other}"
1851 new_enable_languages=,c,
1853 # If LTO is enabled, add the LTO front end.
1854 extra_host_libiberty_configure_flags=
1855 if test "$enable_lto" = "yes" ; then
1856 case ,${enable_languages}, in
1858 *) enable_languages="${enable_languages},lto" ;;
1860 if test "${build_lto_plugin}" = "yes" ; then
1861 configdirs="$configdirs lto-plugin"
1862 extra_host_libiberty_configure_flags=--enable-shared
1865 AC_SUBST(extra_host_libiberty_configure_flags)
1867 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1868 potential_languages=,c,
1870 enabled_target_libs=
1871 disabled_target_libs=
1873 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1874 case ${lang_frag} in
1876 # The odd quoting in the next line works around
1877 # an apparent bug in bash 1.12 on linux.
1878 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1880 # From the config-lang.in, get $language, $target_libs,
1881 # $lang_dirs, $boot_language, and $build_by_default
1887 build_by_default=yes
1889 if test x${language} = x; then
1890 echo "${lang_frag} doesn't set \$language." 1>&2
1894 if test "$language" = "c++" \
1895 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1899 case ,${enable_languages}, in
1901 # Language was explicitly selected; include it.
1905 # 'all' was selected, select it if it is a default language
1906 add_this_lang=${build_by_default}
1913 # Disable languages that need other directories if these aren't available.
1914 for i in $subdir_requires; do
1915 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1916 case ,${enable_languages}, in
1918 # Specifically requested language; tell them.
1919 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1923 add_this_lang=unsupported
1928 # Disable Ada if no preexisting GNAT is available.
1929 case ,${enable_languages},:${language}:${have_gnat} in
1930 *,${language},*:ada:no)
1931 # Specifically requested language; tell them.
1932 AC_MSG_ERROR([GNAT is required to build $language])
1936 add_this_lang=unsupported
1940 # Disable a language that is unsupported by the target.
1941 case " $unsupported_languages " in
1943 add_this_lang=unsupported
1947 case $add_this_lang in
1949 # Remove language-dependent dirs.
1950 disabled_target_libs="$disabled_target_libs $target_libs"
1951 noconfigdirs="$noconfigdirs $lang_dirs"
1954 # Remove language-dependent dirs; still show language as supported.
1955 disabled_target_libs="$disabled_target_libs $target_libs"
1956 noconfigdirs="$noconfigdirs $lang_dirs"
1957 potential_languages="${potential_languages}${language},"
1960 new_enable_languages="${new_enable_languages}${language},"
1961 potential_languages="${potential_languages}${language},"
1962 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1963 enabled_target_libs="$enabled_target_libs $target_libs"
1964 case "${boot_language}:,$enable_stage1_languages," in
1965 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1966 # Add to (comma-separated) list of stage 1 languages.
1967 case ",$stage1_languages," in
1968 *,$language,* | ,yes, | ,all,) ;;
1969 *) stage1_languages="${stage1_languages}${language}," ;;
1971 # We need to bootstrap any supporting libraries.
1972 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1981 # Add target libraries which are only needed for disabled languages
1983 if test -n "$disabled_target_libs"; then
1984 for dir in $disabled_target_libs; do
1985 case " $enabled_target_libs " in
1987 *) noconfigdirs="$noconfigdirs $dir" ;;
1992 AC_ARG_ENABLE(stage1-languages,
1993 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1994 [choose additional languages to build during
1995 stage1. Mostly useful for compiler development])],
1996 [case ,${enable_stage1_languages}, in
1998 # Set it to something that will have no effect in the loop below
1999 enable_stage1_languages=c ;;
2001 enable_stage1_languages=`echo $new_enable_languages | \
2002 sed -e "s/^,//" -e "s/,$//" ` ;;
2004 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2005 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2008 # Add "good" languages from enable_stage1_languages to stage1_languages,
2009 # while "bad" languages go in missing_languages. Leave no duplicates.
2010 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2011 case $potential_languages in
2013 case $stage1_languages in
2015 *) stage1_languages="$stage1_languages$i," ;;
2018 case $missing_languages in
2020 *) missing_languages="$missing_languages$i," ;;
2025 # Remove leading/trailing commas that were added for simplicity
2026 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2027 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2028 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2029 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2031 if test "x$missing_languages" != x; then
2033 The following requested languages could not be built: ${missing_languages}
2034 Supported languages are: ${potential_languages}])
2036 if test "x$new_enable_languages" != "x$enable_languages"; then
2037 echo The following languages will be built: ${new_enable_languages}
2038 enable_languages="$new_enable_languages"
2041 AC_SUBST(stage1_languages)
2042 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2045 # Handle --disable-<component> generically.
2046 for dir in $configdirs $build_configdirs $target_configdirs ; do
2047 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2048 varname=`echo $dirname | sed -e s/+/_/g`
2049 if eval test x\${enable_${varname}} "=" xno ; then
2050 noconfigdirs="$noconfigdirs $dir"
2054 # Check for Boehm's garbage collector
2055 AC_ARG_ENABLE(objc-gc,
2056 [AS_HELP_STRING([--enable-objc-gc],
2057 [enable use of Boehm's garbage collector with the
2058 GNU Objective-C runtime])],
2059 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2060 *,objc,*:*:yes:*target-boehm-gc*)
2061 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2065 # Make sure we only build Boehm's garbage collector if required.
2066 case ,${enable_languages},:${enable_objc_gc} in
2068 # Keep target-boehm-gc if requested for Objective-C.
2071 # Otherwise remove target-boehm-gc depending on target-libjava.
2072 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2073 noconfigdirs="$noconfigdirs target-boehm-gc"
2078 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2079 # $build_configdirs and $target_configdirs.
2080 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2083 for dir in . $skipdirs $noconfigdirs ; do
2084 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2085 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2086 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2087 if test -r $srcdir/$dirname/configure ; then
2088 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2091 notsupp="$notsupp $dir"
2095 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2096 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2097 if test -r $srcdir/$dirname/configure ; then
2098 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2101 notsupp="$notsupp $dir"
2105 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2106 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2107 if test -r $srcdir/$dirname/configure ; then
2108 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2111 notsupp="$notsupp $dir"
2117 # Quietly strip out all directories which aren't configurable in this tree.
2118 # This relies on all configurable subdirectories being autoconfiscated, which
2120 build_configdirs_all="$build_configdirs"
2122 for i in ${build_configdirs_all} ; do
2123 j=`echo $i | sed -e s/build-//g`
2124 if test -f ${srcdir}/$j/configure ; then
2125 build_configdirs="${build_configdirs} $i"
2129 configdirs_all="$configdirs"
2131 for i in ${configdirs_all} ; do
2132 if test -f ${srcdir}/$i/configure ; then
2133 configdirs="${configdirs} $i"
2137 target_configdirs_all="$target_configdirs"
2139 for i in ${target_configdirs_all} ; do
2140 j=`echo $i | sed -e s/target-//g`
2141 if test -f ${srcdir}/$j/configure ; then
2142 target_configdirs="${target_configdirs} $i"
2146 # Produce a warning message for the subdirs we can't configure.
2147 # This isn't especially interesting in the Cygnus tree, but in the individual
2148 # FSF releases, it's important to let people know when their machine isn't
2149 # supported by the one or two programs in a package.
2151 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2152 # If $appdirs is non-empty, at least one of those directories must still
2153 # be configured, or we error out. (E.g., if the gas release supports a
2154 # specified target in some subdirs but not the gas subdir, we shouldn't
2155 # pretend that all is well.)
2156 if test -n "$appdirs" ; then
2157 for dir in $appdirs ; do
2158 if test -r $dir/Makefile.in ; then
2159 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2163 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2169 if test -n "$appdirs" ; then
2170 echo "*** This configuration is not supported by this package." 1>&2
2174 # Okay, some application will build, or we don't care to check. Still
2175 # notify of subdirs not getting built.
2176 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2177 echo " ${notsupp}" 1>&2
2178 echo " (Any other directories should still work fine.)" 1>&2
2186 # To find our prefix, in gcc_cv_tool_prefix.
2191 AC_ARG_WITH([build-sysroot],
2192 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2193 [use sysroot as the system root during the build])],
2194 [if test x"$withval" != x ; then
2195 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2197 [SYSROOT_CFLAGS_FOR_TARGET=])
2198 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2200 AC_ARG_WITH([debug-prefix-map],
2201 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2202 [map A to B, C to D ... in debug information])],
2203 [if test x"$withval" != x; then
2204 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2205 for debug_map in $withval; do
2206 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2209 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2210 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2212 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2213 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2214 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2215 # We want to ensure that TARGET libraries (which we know are built with
2216 # gcc) are built with "-O2 -g", so include those options when setting
2217 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2218 if test "x$CFLAGS_FOR_TARGET" = x; then
2219 CFLAGS_FOR_TARGET=$CFLAGS
2222 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2225 *" -g "* | *" -g3 "*) ;;
2226 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2229 AC_SUBST(CFLAGS_FOR_TARGET)
2231 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2232 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2233 case " $CXXFLAGS " in
2235 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2237 case " $CXXFLAGS " in
2238 *" -g "* | *" -g3 "*) ;;
2239 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2242 AC_SUBST(CXXFLAGS_FOR_TARGET)
2244 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2245 # the named directory are copied to $(tooldir)/sys-include.
2246 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2247 if test x${is_cross_compiler} = xno ; then
2248 echo 1>&2 '***' --with-headers is only supported when cross compiling
2251 if test x"${with_headers}" != xyes ; then
2252 x=${gcc_cv_tool_prefix}
2253 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2257 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2258 # the name directories are copied to $(tooldir)/lib. Multiple directories
2260 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2261 if test x${is_cross_compiler} = xno ; then
2262 echo 1>&2 '***' --with-libs is only supported when cross compiling
2265 if test x"${with_libs}" != xyes ; then
2266 # Copy the libraries in reverse order, so that files in the first named
2267 # library override files in subsequent libraries.
2268 x=${gcc_cv_tool_prefix}
2269 for l in ${with_libs}; do
2270 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2275 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2277 # This is done by determining whether or not the appropriate directory
2278 # is available, and by checking whether or not specific configurations
2279 # have requested that this magic not happen.
2281 # The command line options always override the explicit settings in
2282 # configure.in, and the settings in configure.in override this magic.
2284 # If the default for a toolchain is to use GNU as and ld, and you don't
2285 # want to do that, then you should use the --without-gnu-as and
2286 # --without-gnu-ld options for the configure script. Similarly, if
2287 # the default is to use the included zlib and you don't want to do that,
2288 # you should use the --with-system-zlib option for the configure script.
2290 if test x${use_gnu_as} = x &&
2291 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2293 extra_host_args="$extra_host_args --with-gnu-as"
2296 if test x${use_gnu_ld} = x &&
2297 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2299 extra_host_args="$extra_host_args --with-gnu-ld"
2302 if test x${use_included_zlib} = x &&
2303 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2306 with_system_zlib=yes
2307 extra_host_args="$extra_host_args --with-system-zlib"
2310 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2311 # can detect this case.
2313 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2315 extra_host_args="$extra_host_args --with-newlib"
2318 # Handle ${copy_dirs}
2319 set fnord ${copy_dirs}
2321 while test $# != 0 ; do
2322 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2325 echo Copying $1 to $2
2327 # Use the install script to create the directory and all required
2328 # parent directories.
2329 if test -d $2 ; then
2333 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2336 # Copy the directory, assuming we have tar.
2337 # FIXME: Should we use B in the second tar? Not all systems support it.
2338 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2340 # It is the responsibility of the user to correctly adjust all
2341 # symlinks. If somebody can figure out how to handle them correctly
2342 # here, feel free to add the code.
2349 # Determine a target-dependent exec_prefix that the installed
2350 # gcc will search in. Keep this list sorted by triplet, with
2351 # the *-*-osname triplets last.
2355 md_exec_prefix=/gnu/lib/gcc-lib
2357 i[[34567]]86-pc-msdosdjgpp*)
2358 md_exec_prefix=/dev/env/DJDIR/bin
2360 i[[34567]]86-*-sco3.2v5*)
2361 if test $with_gnu_as = yes; then
2362 md_exec_prefix=/usr/gnu/bin
2364 md_exec_prefix=/usr/ccs/bin/elf
2369 powerpc-*-chorusos* | \
2370 powerpc*-*-eabi* | \
2371 powerpc*-*-sysv* | \
2372 powerpc*-*-kaos* | \
2374 md_exec_prefix=/usr/ccs/bin
2379 md_exec_prefix=/usr/ccs/bin
2394 md_exec_prefix=/usr/ccs/bin
2398 extra_arflags_for_target=
2399 extra_nmflags_for_target=
2400 extra_ranlibflags_for_target=
2401 target_makefile_frag=/dev/null
2404 target_makefile_frag="config/mt-mep"
2407 target_makefile_frag="config/mt-spu"
2410 target_makefile_frag="config/mt-sde"
2412 mipsisa*-*-elfoabi*)
2413 target_makefile_frag="config/mt-mips-elfoabi"
2415 mips*-*-*linux* | mips*-*-gnu*)
2416 target_makefile_frag="config/mt-mips-gnu"
2419 target_makefile_frag="config/mt-netware"
2421 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2422 target_makefile_frag="config/mt-gnu"
2424 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2425 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2426 # commands to handle both 32-bit and 64-bit objects. These flags are
2427 # harmless if we're using GNU nm or ar.
2428 extra_arflags_for_target=" -X32_64"
2429 extra_nmflags_for_target=" -B -X32_64"
2431 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2432 target_makefile_frag="config/mt-wince"
2436 alphaieee_frag=/dev/null
2439 # This just makes sure to use the -mieee option to build target libs.
2440 # This should probably be set individually by each library.
2441 alphaieee_frag="config/mt-alphaieee"
2445 # If --enable-target-optspace always use -Os instead of -O2 to build
2446 # the target libraries, similarly if it is not specified, use -Os
2447 # on selected platforms.
2448 ospace_frag=/dev/null
2449 case "${enable_target_optspace}:${target}" in
2451 ospace_frag="config/mt-ospace"
2454 ospace_frag="config/mt-d30v"
2456 :m32r-* | :d10v-* | :fr30-*)
2457 ospace_frag="config/mt-ospace"
2462 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2466 # Default to using --with-stabs for certain targets.
2467 if test x${with_stabs} = x ; then
2469 mips*-*-irix[[56]]*)
2471 mips*-*-* | alpha*-*-osf*)
2473 extra_host_args="${extra_host_args} --with-stabs"
2478 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2479 # them automatically.
2482 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2486 # Some systems (e.g., one of the i386-aix systems the gas testers are
2487 # using) don't handle "\$" correctly, so don't use it here.
2488 tooldir='${exec_prefix}'/${target_noncanonical}
2489 build_tooldir=${tooldir}
2491 # Create a .gdbinit file which runs the one in srcdir
2492 # and tells GDB to look there for source files.
2494 if test -r ${srcdir}/.gdbinit ; then
2497 *) cat > ./.gdbinit <<EOF
2501 source ${srcdir}/.gdbinit
2507 # Make sure that the compiler is able to generate an executable. If it
2508 # can't, we are probably in trouble. We don't care whether we can run the
2509 # executable--we might be using a cross compiler--we only care whether it
2510 # can be created. At this point the main configure script has set CC.
2512 echo "int main () { return 0; }" > conftest.c
2513 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2514 if test $? = 0 ; then
2515 if test -s conftest || test -s conftest.exe ; then
2521 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2522 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2529 # The Solaris /usr/ucb/cc compiler does not appear to work.
2531 sparc-sun-solaris2*)
2532 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2533 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2535 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2536 if test -d /opt/cygnus/bin ; then
2537 if test "$could_use" = "" ; then
2538 could_use="/opt/cygnus/bin"
2540 could_use="$could_use or /opt/cygnus/bin"
2543 if test "$could_use" = "" ; then
2544 echo "Warning: compilation may fail because you're using"
2545 echo "/usr/ucb/cc. You should change your PATH or CC "
2546 echo "variable and rerun configure."
2548 echo "Warning: compilation may fail because you're using"
2549 echo "/usr/ucb/cc, when you should use the C compiler from"
2550 echo "$could_use. You should change your"
2551 echo "PATH or CC variable and rerun configure."
2557 # Decide which environment variable is used to find dynamic libraries.
2559 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2560 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2561 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2562 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2565 # On systems where the dynamic library environment variable is PATH,
2566 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2567 # built executables to PATH.
2568 if test "$RPATH_ENVVAR" = PATH; then
2569 GCC_SHLIB_SUBDIR=/shlib
2574 # Record target_configdirs and the configure arguments for target and
2575 # build configuration in Makefile.
2576 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2577 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2579 # If we are building libgomp, bootstrap it.
2580 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2581 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2584 # Determine whether gdb needs tk/tcl or not.
2585 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2586 # and in that case we want gdb to be built without tk. Ugh!
2587 # In fact I believe gdb is the *only* package directly dependent on tk,
2588 # so we should be able to put the 'maybe's in unconditionally and
2589 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2590 # 100% sure that that's safe though.
2592 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2593 case "$enable_gdbtk" in
2597 GDB_TK="${gdb_tk}" ;;
2599 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2600 # distro. Eventually someone will fix this and move Insight, nee
2601 # gdbtk to a separate directory.
2602 if test -d ${srcdir}/gdb/gdbtk ; then
2609 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2610 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2612 # Strip out unwanted targets.
2614 # While at that, we remove Makefiles if we were started for recursive
2615 # configuration, so that the top-level Makefile reconfigures them,
2616 # like we used to do when configure itself was recursive.
2618 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2619 # but now we're fixing up the Makefile ourselves with the additional
2620 # commands passed to AC_CONFIG_FILES. Use separate variables
2621 # extrasub-{build,host,target} not because there is any reason to split
2622 # the substitutions up that way, but only to remain below the limit of
2623 # 99 commands in a script, for HP-UX sed.
2624 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2626 AC_ARG_ENABLE([bootstrap],
2627 [AS_HELP_STRING([--enable-bootstrap],
2628 [enable bootstrapping @<:@yes if native build@:>@])],,
2629 enable_bootstrap=default)
2631 # Issue errors and warnings for invalid/strange bootstrap combinations.
2632 case "$configdirs" in
2633 *gcc*) have_compiler=yes ;;
2634 *) have_compiler=no ;;
2637 case "$have_compiler:$host:$target:$enable_bootstrap" in
2640 # Default behavior. Enable bootstrap if we have a compiler
2641 # and we are in a native configuration.
2642 yes:$build:$build:default)
2643 enable_bootstrap=yes ;;
2646 enable_bootstrap=no ;;
2648 # We have a compiler and we are in a native configuration, bootstrap is ok
2649 yes:$build:$build:yes)
2652 # Other configurations, but we have a compiler. Assume the user knows
2655 AC_MSG_WARN([trying to bootstrap a cross compiler])
2658 # No compiler: if they passed --enable-bootstrap explicitly, fail
2660 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2662 # Fail if wrong command line
2664 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2668 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2671 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2675 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2676 yes:yes:*\ gold\ *:*,c++,*) ;;
2677 yes:yes:*\ gold\ *:*)
2678 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2682 # Adjust the toplevel makefile according to whether bootstrap was selected.
2683 case $enable_bootstrap in
2685 bootstrap_suffix=bootstrap
2686 BUILD_CONFIG=bootstrap-debug
2689 bootstrap_suffix=no-bootstrap
2694 AC_MSG_CHECKING(for default BUILD_CONFIG)
2696 AC_ARG_WITH([build-config],
2697 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2698 [use config/NAME.mk build configuration])],
2699 [case $with_build_config in
2700 yes) with_build_config= ;;
2701 no) with_build_config= BUILD_CONFIG= ;;
2704 if test "x${with_build_config}" != x; then
2705 BUILD_CONFIG=$with_build_config
2707 case $BUILD_CONFIG in
2709 if echo "int f (void) { return 0; }" > conftest.c &&
2710 ${CC} -c conftest.c &&
2711 mv conftest.o conftest.o.g0 &&
2712 ${CC} -c -g conftest.c &&
2713 mv conftest.o conftest.o.g &&
2714 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2719 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2723 AC_MSG_RESULT($BUILD_CONFIG)
2724 AC_SUBST(BUILD_CONFIG)
2727 for module in ${build_configdirs} ; do
2728 if test -z "${no_recursion}" \
2729 && test -f ${build_subdir}/${module}/Makefile; then
2730 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2731 rm -f ${build_subdir}/${module}/Makefile
2733 extrasub_build="$extrasub_build
2734 /^@if build-$module\$/d
2735 /^@endif build-$module\$/d
2736 /^@if build-$module-$bootstrap_suffix\$/d
2737 /^@endif build-$module-$bootstrap_suffix\$/d"
2740 for module in ${configdirs} ; do
2741 if test -z "${no_recursion}"; then
2742 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2743 if test -f ${file}; then
2744 echo 1>&2 "*** removing ${file} to force reconfigure"
2749 extrasub_host="$extrasub_host
2751 /^@endif $module\$/d
2752 /^@if $module-$bootstrap_suffix\$/d
2753 /^@endif $module-$bootstrap_suffix\$/d"
2756 for module in ${target_configdirs} ; do
2757 if test -z "${no_recursion}" \
2758 && test -f ${target_subdir}/${module}/Makefile; then
2759 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2760 rm -f ${target_subdir}/${module}/Makefile
2763 # We only bootstrap target libraries listed in bootstrap_target_libs.
2764 case $bootstrap_target_libs in
2765 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2766 *) target_bootstrap_suffix=no-bootstrap ;;
2769 extrasub_target="$extrasub_target
2770 /^@if target-$module\$/d
2771 /^@endif target-$module\$/d
2772 /^@if target-$module-$target_bootstrap_suffix\$/d
2773 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2776 # Do the final fixup along with target modules.
2777 extrasub_target="$extrasub_target
2778 /^@if /,/^@endif /d"
2780 # Create the serialization dependencies. This uses a temporary file.
2782 AC_ARG_ENABLE([serial-configure],
2783 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2784 [force sequential configuration of
2785 sub-packages for the host, target or build
2786 machine, or all sub-packages])])
2788 case ${enable_serial_configure} in
2790 enable_serial_build_configure=yes
2791 enable_serial_host_configure=yes
2792 enable_serial_target_configure=yes
2796 # These force 'configure's to be done one at a time, to avoid problems
2797 # with contention over a shared config.cache.
2799 echo '# serdep.tmp' > serdep.tmp
2801 test "x${enable_serial_build_configure}" = xyes &&
2802 for item in ${build_configdirs} ; do
2805 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2810 test "x${enable_serial_host_configure}" = xyes &&
2811 for item in ${configdirs} ; do
2814 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2819 test "x${enable_serial_target_configure}" = xyes &&
2820 for item in ${target_configdirs} ; do
2823 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2827 serialization_dependencies=serdep.tmp
2828 AC_SUBST_FILE(serialization_dependencies)
2830 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2831 # target, nonopt, and variable assignments. These are the ones we
2832 # might not want to pass down to subconfigures. The exception being
2833 # --cache-file=/dev/null, which is used to turn off the use of cache
2834 # files altogether, and which should be passed on to subconfigures.
2835 # Also strip program-prefix, program-suffix, and program-transform-name,
2836 # so that we can pass down a consistent program-transform-name.
2841 eval "set -- $ac_configure_args"
2844 if test X"$skip_next" = X"yes"; then
2848 if test X"$keep_next" = X"yes"; then
2851 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2853 baseargs="$baseargs '$ac_arg'"
2854 tbaseargs="$tbaseargs '$ac_arg'"
2859 # Handle separated arguments. Based on the logic generated by
2862 *=* | --config-cache | -C | -disable-* | --disable-* \
2863 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2864 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2865 | -with-* | --with-* | -without-* | --without-* | --x)
2879 --with-* | --without-*)
2880 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2884 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2887 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2896 mpc | mpfr | gmp | ppl | cloog)
2897 # If we're processing --with-$lib, --with-$lib-include or
2898 # --with-$lib-lib, for one of the libs above, and target is
2899 # different from host, don't pass the current argument to any
2900 # target library's configure.
2901 if test x$is_cross_compiler = xyes; then
2910 --cache-file=/dev/null | \
2911 -cache-file=/dev/null )
2912 # Handled here to avoid the test to skip args below.
2913 baseargs="$baseargs '$ac_arg'"
2914 tbaseargs="$tbaseargs '$ac_arg'"
2915 # Assert: $separate_arg should always be no.
2916 keep_next=$separate_arg
2932 -program-prefix* | \
2933 -program-suffix* | \
2934 -program-transform-name* )
2935 skip_next=$separate_arg
2939 # An option. Add it.
2942 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2944 baseargs="$baseargs '$ac_arg'"
2945 if test X"$skip_targ" = Xno; then
2946 tbaseargs="$tbaseargs '$ac_arg'"
2948 keep_next=$separate_arg
2951 # Either a variable assignment, or a nonopt (triplet). Don't
2952 # pass it down; let the Makefile handle this.
2957 # Remove the initial space we just introduced and, as these will be
2958 # expanded by make, quote '$'.
2959 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2961 # Add in --program-transform-name, after --program-prefix and
2962 # --program-suffix have been applied to it. Autoconf has already
2963 # doubled dollar signs and backslashes in program_transform_name; we want
2964 # the backslashes un-doubled, and then the entire thing wrapped in single
2965 # quotes, because this will be expanded first by make and then by the shell.
2966 # Also, because we want to override the logic in subdir configure scripts to
2967 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2968 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2969 ${program_transform_name}
2971 gcc_transform_name=`cat conftestsed.out`
2972 rm -f conftestsed.out
2973 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2974 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2975 if test "$silent" = yes; then
2976 baseargs="$baseargs --silent"
2977 tbaseargs="$tbaseargs --silent"
2979 baseargs="$baseargs --disable-option-checking"
2980 tbaseargs="$tbaseargs --disable-option-checking"
2982 # Record and document user additions to sub configure arguments.
2983 AC_ARG_VAR([build_configargs],
2984 [additional configure arguments for build directories])
2985 AC_ARG_VAR([host_configargs],
2986 [additional configure arguments for host directories])
2987 AC_ARG_VAR([target_configargs],
2988 [additional configure arguments for target directories])
2990 # For the build-side libraries, we just need to pretend we're native,
2991 # and not use the same cache file. Multilibs are neither needed nor
2993 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2995 # For host modules, accept cache file option, or specification as blank.
2996 case "${cache_file}" in
2998 cache_file_option="" ;;
2999 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3000 cache_file_option="--cache-file=${cache_file}" ;;
3002 cache_file_option="--cache-file=../${cache_file}" ;;
3005 # Host dirs don't like to share a cache file either, horribly enough.
3006 # This seems to be due to autoconf 2.5x stupidity.
3007 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3009 target_configargs="$target_configargs ${tbaseargs}"
3011 # Passing a --with-cross-host argument lets the target libraries know
3012 # whether they are being built with a cross-compiler or being built
3013 # native. However, it would be better to use other mechanisms to make the
3014 # sorts of decisions they want to make on this basis. Please consider
3015 # this option to be deprecated. FIXME.
3016 if test x${is_cross_compiler} = xyes ; then
3017 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3020 # Default to --enable-multilib.
3021 if test x${enable_multilib} = x ; then
3022 target_configargs="--enable-multilib ${target_configargs}"
3025 # Pass --with-newlib if appropriate. Note that target_configdirs has
3026 # changed from the earlier setting of with_newlib.
3027 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3028 target_configargs="--with-newlib ${target_configargs}"
3031 # Different target subdirs use different values of certain variables
3032 # (notably CXX). Worse, multilibs use *lots* of different values.
3033 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3034 # it doesn't automatically accept command-line overrides of them.
3035 # This means it's not safe for target subdirs to share a cache file,
3036 # which is disgusting, but there you have it. Hopefully this can be
3037 # fixed in future. It's still worthwhile to use a cache file for each
3038 # directory. I think.
3040 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3041 # We need to pass --target, as newer autoconf's requires consistency
3042 # for target_alias and gcc doesn't manage it consistently.
3043 target_configargs="--cache-file=./config.cache ${target_configargs}"
3046 case " $target_configdirs " in
3048 case " $target_configargs " in
3049 *" --with-newlib "*)
3052 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 $$s/winsup/w32api/include'
3056 # If we're not building GCC, don't discard standard headers.
3057 if test -d ${srcdir}/gcc; then
3058 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3060 if test "${build}" != "${host}"; then
3061 # On Canadian crosses, CC_FOR_TARGET will have already been set
3062 # by `configure', so we won't have an opportunity to add -Bgcc/
3063 # to it. This is right: we don't want to search that directory
3064 # for binaries, but we want the header files in there, so add
3066 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3068 # Someone might think of using the pre-installed headers on
3069 # Canadian crosses, in case the installed compiler is not fully
3070 # compatible with the compiler being built. In this case, it
3071 # would be better to flag an error than risking having
3072 # incompatible object files being constructed. We can't
3073 # guarantee that an error will be flagged, but let's hope the
3074 # compiler will do it, when presented with incompatible header
3079 case "${target}-${is_cross_compiler}" in
3080 i[[3456789]]86-*-linux*-no)
3081 # Here host == target, so we don't need to build gcc,
3082 # so we don't want to discard standard headers.
3083 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3086 # If we're building newlib, use its generic headers last, but search
3087 # for any libc-related directories first (so make it the last -B
3089 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3091 # If we're building libgloss, find the startup file, simulator library
3092 # and linker script.
3093 case " $target_configdirs " in
3095 # Look for startup file, simulator library and maybe linker script.
3096 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3097 # Look for libnosys.a in case the target needs it.
3098 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3099 # Most targets have the linker script in the source directory.
3100 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3111 x86_64-*mingw* | *-w64-mingw*)
3112 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3113 # however, use a symlink named 'mingw' in ${prefix} .
3114 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3117 # MinGW can't be handled as Cygwin above since it does not use newlib.
3118 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3122 # Allow the user to override the flags for
3123 # our build compiler if desired.
3124 if test x"${build}" = x"${host}" ; then
3125 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3126 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3127 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3130 # On Canadian crosses, we'll be searching the right directories for
3131 # the previously-installed cross compiler, so don't bother to add
3132 # flags for directories within the install tree of the compiler
3133 # being built; programs in there won't even run.
3134 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3135 # Search for pre-installed headers if nothing else fits.
3136 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3139 if test "x${use_gnu_ld}" = x &&
3140 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3141 # Arrange for us to find uninstalled linker scripts.
3142 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3145 # Search for other target-specific linker scripts and such.
3148 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3152 # Makefile fragments.
3153 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3155 eval fragval=\$$frag
3156 if test $fragval != /dev/null; then
3157 eval $frag=${srcdir}/$fragval
3160 AC_SUBST_FILE(host_makefile_frag)
3161 AC_SUBST_FILE(target_makefile_frag)
3162 AC_SUBST_FILE(alphaieee_frag)
3163 AC_SUBST_FILE(ospace_frag)
3165 # Miscellanea: directories, flags, etc.
3166 AC_SUBST(RPATH_ENVVAR)
3167 AC_SUBST(GCC_SHLIB_SUBDIR)
3169 AC_SUBST(build_tooldir)
3170 AC_SUBST(CONFIGURE_GDB_TK)
3172 AC_SUBST(INSTALL_GDB_TK)
3174 # Build module lists & subconfigure args.
3175 AC_SUBST(build_configargs)
3176 AC_SUBST(build_configdirs)
3178 # Host module lists & subconfigure args.
3179 AC_SUBST(host_configargs)
3180 AC_SUBST(configdirs)
3181 AC_SUBST(target_configdirs)
3183 # Target module lists & subconfigure args.
3184 AC_SUBST(target_configargs)
3188 AC_SUBST(AR_FOR_BUILD)
3189 AC_SUBST(AS_FOR_BUILD)
3190 AC_SUBST(CC_FOR_BUILD)
3191 AC_SUBST(CFLAGS_FOR_BUILD)
3192 AC_SUBST(CXXFLAGS_FOR_BUILD)
3193 AC_SUBST(CXX_FOR_BUILD)
3194 AC_SUBST(DLLTOOL_FOR_BUILD)
3195 AC_SUBST(GCJ_FOR_BUILD)
3196 AC_SUBST(GFORTRAN_FOR_BUILD)
3197 AC_SUBST(GOC_FOR_BUILD)
3198 AC_SUBST(LDFLAGS_FOR_BUILD)
3199 AC_SUBST(LD_FOR_BUILD)
3200 AC_SUBST(NM_FOR_BUILD)
3201 AC_SUBST(RANLIB_FOR_BUILD)
3202 AC_SUBST(WINDMC_FOR_BUILD)
3203 AC_SUBST(WINDRES_FOR_BUILD)
3204 AC_SUBST(config_shell)
3206 # Generate default definitions for YACC, M4, LEX and other programs that run
3207 # on the build machine. These are used if the Makefile can't locate these
3208 # programs in objdir.
3209 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3211 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3212 case " $build_configdirs " in
3213 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3214 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3217 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3218 case " $build_configdirs " in
3219 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3222 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3223 case " $build_configdirs " in
3224 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3227 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3228 case " $build_configdirs " in
3229 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3230 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3233 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3234 case " $build_configdirs " in
3235 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3238 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3239 case " $build_configdirs " in
3240 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3243 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3244 # higher, else we use the "missing" dummy.
3245 if ${MAKEINFO} --version \
3246 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3249 MAKEINFO="$MISSING makeinfo"
3255 # FIXME: expect and dejagnu may become build tools?
3257 AC_CHECK_PROGS(EXPECT, expect, expect)
3258 case " $configdirs " in
3260 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3264 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3265 case " $configdirs " in
3267 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3273 NCN_STRICT_CHECK_TOOLS(AR, ar)
3274 NCN_STRICT_CHECK_TOOLS(AS, as)
3275 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3276 NCN_STRICT_CHECK_TOOLS(LD, ld)
3277 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3278 NCN_STRICT_CHECK_TOOLS(NM, nm)
3279 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3280 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3281 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3282 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3283 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3284 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3291 AC_ARG_WITH([build-time-tools],
3292 [AS_HELP_STRING([--with-build-time-tools=PATH],
3293 [use given path to find target tools during the build])],
3294 [case x"$withval" in
3297 with_build_time_tools=
3298 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3301 [with_build_time_tools=])
3303 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3304 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3305 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3306 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3307 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3308 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3310 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3311 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3312 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3313 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3314 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3315 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3316 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3317 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3318 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3319 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3320 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3322 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3324 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3325 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3326 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3327 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3328 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3329 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3331 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3332 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3334 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3335 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3336 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3337 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3338 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3339 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3340 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3341 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3342 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3343 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3344 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3345 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3346 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3347 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3348 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3349 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3351 AC_SUBST(FLAGS_FOR_TARGET)
3352 AC_SUBST(RAW_CXX_FOR_TARGET)
3354 # Certain tools may need extra flags.
3355 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3356 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3357 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3359 # When building target libraries, except in a Canadian cross, we use
3360 # the same toolchain as the compiler we just built.
3361 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3362 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3363 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3364 if test $host = $build; then
3365 case " $configdirs " in
3367 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3368 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3369 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3374 AC_SUBST(COMPILER_AS_FOR_TARGET)
3375 AC_SUBST(COMPILER_LD_FOR_TARGET)
3376 AC_SUBST(COMPILER_NM_FOR_TARGET)
3378 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3379 AC_ARG_ENABLE(maintainer-mode,
3380 [AS_HELP_STRING([--enable-maintainer-mode],
3381 [enable make rules and dependencies not useful
3382 (and sometimes confusing) to the casual installer])],
3383 USE_MAINTAINER_MODE=$enableval,
3384 USE_MAINTAINER_MODE=no)
3385 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3386 AC_SUBST(MAINTAINER_MODE_TRUE)
3387 AC_SUBST(MAINTAINER_MODE_FALSE)
3388 if test "$USE_MAINTAINER_MODE" = yes; then
3389 MAINTAINER_MODE_TRUE=
3390 MAINTAINER_MODE_FALSE='#'
3392 MAINTAINER_MODE_TRUE='#'
3393 MAINTAINER_MODE_FALSE=
3395 MAINT=$MAINTAINER_MODE_TRUE
3398 # ---------------------
3399 # GCC bootstrap support
3400 # ---------------------
3402 # Stage specific cflags for build.
3407 yes) stage1_cflags="-g -Wa,-J" ;;
3408 *) stage1_cflags="-g -J" ;;
3412 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3413 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3414 saved_CFLAGS="$CFLAGS"
3416 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3417 CFLAGS="$CFLAGS -fkeep-inline-functions"
3418 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3420 #if (__GNUC__ < 3) \
3421 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3422 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3423 #error http://gcc.gnu.org/PR29382
3426 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3427 [AC_MSG_RESULT([no])])
3429 CFLAGS="$saved_CFLAGS"
3432 AC_SUBST(stage1_cflags)
3434 # Enable --enable-checking in stage1 of the compiler.
3435 AC_ARG_ENABLE(stage1-checking,
3436 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3437 [choose additional checking for stage1 of the compiler])],
3438 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3439 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3440 stage1_checking=--enable-checking=yes,types
3442 stage1_checking=--enable-checking=$enable_checking,types
3444 AC_SUBST(stage1_checking)
3446 # Enable -Werror in bootstrap stage2 and later.
3447 AC_ARG_ENABLE(werror,
3448 [AS_HELP_STRING([--enable-werror],
3449 [enable -Werror in bootstrap stage2 and later])], [],
3450 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3455 case ${enable_werror} in
3456 yes) stage2_werror_flag="--enable-werror-always" ;;
3457 *) stage2_werror_flag="" ;;
3459 AC_SUBST(stage2_werror_flag)
3461 # Specify what files to not compare during bootstrap.
3463 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3465 hppa*64*-*-hpux*) ;;
3466 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3468 case " $configdirs " in
3469 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3471 AC_SUBST(compare_exclusions)
3473 AC_CONFIG_FILES([Makefile],
3474 [sed "$extrasub_build" Makefile |
3475 sed "$extrasub_host" |
3476 sed "$extrasub_target" > mf$$
3477 mv -f mf$$ Makefile],
3478 [extrasub_build="$extrasub_build"
3479 extrasub_host="$extrasub_host"
3480 extrasub_target="$extrasub_target"])