1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 ### we might need to use some other shell than /bin/sh for running subshells
93 ### If we are on Windows, search for the shell. This will permit people
94 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
95 ### without also having to set CONFIG_SHELL. This code will work when
96 ### using bash, which sets OSTYPE.
99 if test x${CONFIG_SHELL} = x ; then
100 if test ! -f /bin/sh ; then
101 if test x${SHELL} != x && test -f ${SHELL} ; then
102 CONFIG_SHELL=${SHELL}
105 for prog in sh sh.exe bash bash.exe; do
106 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
108 test -z "$dir" && dir=.
109 if test -f $dir/$prog; then
110 CONFIG_SHELL=$dir/$prog
116 test -n "${CONFIG_SHELL}" && break
124 config_shell=${CONFIG_SHELL-/bin/sh}
126 moveifchange=${srcdir}/move-if-change
128 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
130 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
132 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
133 INSTALL="${srcpwd}/install-sh -c"
136 # Set srcdir to "." if that's what it is.
137 # This is important for multilib support.
139 if test "${pwd}" = "${srcpwd}" ; then
147 ### To add a new directory to the tree, first choose whether it is a target
148 ### or a host dependent tool. Then put it into the appropriate list
149 ### (library or tools, host or target), doing a dependency sort.
151 # Subdirs will be configured in the order listed in build_configdirs,
152 # configdirs, or target_configdirs; see the serialization section below.
154 # Dependency sorting is only needed when *configuration* must be done in
155 # a particular order. In all cases a dependency should be specified in
156 # the Makefile, whether or not it's implicitly specified here.
158 # Double entries in build_configdirs, configdirs, or target_configdirs may
159 # cause circular dependencies and break everything horribly.
161 # these library is used by various programs built for the build
164 build_libs="build-libiberty"
166 # these tools are built for the build environment
167 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
169 # these libraries are used by various programs built for the host environment
171 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
173 # these tools are built for the host environment
174 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
175 # know that we are building the simulator.
176 # binutils, gas and ld appear in that order because it makes sense to run
177 # "make check" in that particular order.
178 # If --enable-gold is used, "gold" may replace "ld".
179 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
181 # libgcj represents the runtime libraries only used by gcj.
182 libgcj="target-libffi \
187 # these libraries are built for the target environment, and are built after
188 # the host libraries and the host tools (which may be a cross compiler)
190 target_libraries="target-libgcc \
195 target-libstdc++-v3 \
206 # these tools are built using the target libraries, and are intended to
207 # run only in the target environment
209 # note: any program that *uses* libraries that are in the "target_libraries"
210 # list belongs in this list. those programs are also very likely
211 # candidates for the "native_only" list which follows
213 target_tools="target-examples target-groff target-gperf target-rda"
215 ################################################################################
217 ## All tools belong in one of the four categories, and are assigned above
218 ## We assign ${configdirs} this way to remove all embedded newlines. This
219 ## is important because configure will choke if they ever get through.
220 ## ${configdirs} is directories we build using the host tools.
221 ## ${target_configdirs} is directories we build using the target tools.
222 configdirs=`echo ${host_libs} ${host_tools}`
223 target_configdirs=`echo ${target_libraries} ${target_tools}`
224 build_configdirs=`echo ${build_libs} ${build_tools}`
226 m4_divert_text([PARSE_ARGS],
229 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
230 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
231 m4_popdef([AS_MESSAGE_LOG_FD])dnl
234 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
237 ################################################################################
239 srcname="gnu development package"
241 # This gets set non-empty for some net releases of packages.
244 # Define is_cross_compiler to save on calls to 'test'.
246 if test x"${host}" = x"${target}" ; then
249 is_cross_compiler=yes
252 # Find the build and target subdir names.
254 # Be sure to cover against remnants of an in-tree build.
255 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
256 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
257 Use a pristine source tree when building in a separate tree])
260 # Skipdirs are removed silently.
262 # Noconfigdirs are removed loudly.
266 # Make sure we don't let GNU ld be added if we didn't want it.
267 if test x$with_gnu_ld = xno ; then
269 noconfigdirs="$noconfigdirs ld gold"
273 # Make sure we don't let GNU as be added if we didn't want it.
274 if test x$with_gnu_as = xno ; then
276 noconfigdirs="$noconfigdirs gas"
280 # Make sure we don't let ZLIB be added if we didn't want it.
281 if test x$with_system_zlib = xyes ; then
283 noconfigdirs="$noconfigdirs zlib"
286 # some tools are so dependent upon X11 that if we're not building with X,
287 # it's not even worth trying to configure, much less build, that tool.
290 yes | "") ;; # the default value for this tree is that X11 is available
292 skipdirs="${skipdirs} tk itcl libgui"
293 # We won't be able to build gdbtk without X.
296 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
299 # Some tools are only suitable for building in a "native" situation.
300 # Remove these if host!=target.
301 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
303 # Similarly, some are only suitable for cross toolchains.
304 # Remove these if host=target.
305 cross_only="target-libgloss target-newlib target-opcodes"
307 case $is_cross_compiler in
308 no) skipdirs="${skipdirs} ${cross_only}" ;;
309 yes) skipdirs="${skipdirs} ${native_only}" ;;
312 # If both --with-headers and --with-libs are specified, default to
314 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
315 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
316 if test x"${with_newlib}" = x ; then
321 # Recognize --with-newlib/--without-newlib.
322 case ${with_newlib} in
323 no) skipdirs="${skipdirs} target-newlib" ;;
324 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
327 # Handle --enable-gold, --enable-ld.
328 # --disable-gold [--enable-ld]
329 # Build only ld. Default option.
330 # --enable-gold [--enable-ld]
331 # Build both gold and ld. Install gold as "ld.gold", install ld
332 # as "ld.bfd" and "ld".
333 # --enable-gold=default [--enable-ld]
334 # Build both gold and ld. Install gold as "ld.gold" and "ld",
335 # install ld as "ld.bfd".
336 # --enable-gold[=default] --disable-ld
337 # Build only gold, which is then installed as both "ld.gold" and "ld".
338 # --enable-gold --enable-ld=default
339 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
341 # In other words, ld is default
342 # --enable-gold=default --enable-ld=default
347 [[ --enable-gold[=ARG] 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 [[ --enable-ld[=ARG] build ld [ARG={default,yes,no}]]],
389 ENABLE_LD=$enableval,
392 case "${ENABLE_LD}" in
394 if test x${default_ld} != x; then
395 AC_MSG_ERROR([either gold or ld can be the default ld])
401 if test x${ENABLE_GOLD} != xyes; then
402 AC_MSG_WARN([neither ld nor gold are enabled])
404 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
407 AC_MSG_ERROR([invalid --enable-ld argument])
411 # Configure extra directories which are host specific
415 configdirs="$configdirs libtermcap" ;;
418 # A target can indicate whether a language isn't supported for some reason.
419 # Only spaces may be used in this macro; not newlines or tabs.
420 unsupported_languages=
422 # Remove more programs from consideration, based on the host or
423 # target this usually means that a port of the program doesn't
428 noconfigdirs="$noconfigdirs byacc"
430 i[[3456789]]86-*-vsta)
431 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
433 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
434 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
437 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
439 i[[3456789]]86-*-mingw32*)
440 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
441 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
443 i[[3456789]]86-*-beos*)
444 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
447 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
450 noconfigdirs="$noconfigdirs rcs"
453 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
456 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
461 AC_ARG_ENABLE(libquadmath,
462 AS_HELP_STRING([--disable-libquadmath],
463 [do not build libquadmath directory]),
464 ENABLE_LIBQUADMATH=$enableval,
465 ENABLE_LIBQUADMATH=yes)
466 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
467 noconfigdirs="$noconfigdirs target-libquadmath"
471 AC_ARG_ENABLE(libquadmath-support,
472 AS_HELP_STRING([--disable-libquadmath-support],
473 [disable libquadmath support for Fortran]),
474 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
475 ENABLE_LIBQUADMATH_SUPPORT=yes)
476 enable_libquadmath_support=
477 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
478 enable_libquadmath_support=no
482 AC_ARG_ENABLE(libada,
483 [ --enable-libada build libada directory],
484 ENABLE_LIBADA=$enableval,
486 if test "${ENABLE_LIBADA}" != "yes" ; then
487 noconfigdirs="$noconfigdirs gnattools"
490 AC_ARG_ENABLE(libssp,
491 [ --enable-libssp build libssp directory],
492 ENABLE_LIBSSP=$enableval,
495 # Save it here so that, even in case of --enable-libgcj, if the Java
496 # front-end isn't enabled, we still get libgcj disabled.
498 case $enable_libgcj in
500 # If we reset it here, it won't get added to noconfigdirs in the
501 # target-specific build rules, so it will be forcibly enabled
502 # (unless the Java language itself isn't enabled).
506 # Make sure we get it printed in the list of not supported target libs.
507 # Don't disable libffi, though, other languages use it.
508 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
509 # Clear libgcj_saved so that even if java is enabled libffi won't be
516 # Disable libmudflap on some systems.
517 if test x$enable_libmudflap = x ; then
519 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
520 # Enable libmudflap by default in GNU and friends.
523 # Enable libmudflap by default in FreeBSD.
526 # Disable it by default everywhere else.
527 noconfigdirs="$noconfigdirs target-libmudflap"
532 # Disable libgomp on non POSIX hosted systems.
533 if test x$enable_libgomp = x ; then
534 # Enable libgomp by default on hosted POSIX systems.
536 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
538 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
540 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
542 *-*-darwin* | *-*-aix*)
545 noconfigdirs="$noconfigdirs target-libgomp"
550 # Default libgloss CPU subdirectory.
551 libgloss_dir="$target_cpu"
555 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
558 noconfigdirs="$noconfigdirs ld gas gdb gprof"
559 noconfigdirs="$noconfigdirs sim target-rda"
561 i[[3456789]]86-*-darwin*)
562 noconfigdirs="$noconfigdirs ld gprof"
563 noconfigdirs="$noconfigdirs sim target-rda"
565 x86_64-*-darwin[[912]]*)
566 noconfigdirs="$noconfigdirs ld gas gprof"
567 noconfigdirs="$noconfigdirs sim target-rda"
570 noconfigdirs="$noconfigdirs ld gas gdb gprof"
571 noconfigdirs="$noconfigdirs sim target-rda"
572 noconfigdirs="$noconfigdirs ${libgcj}"
574 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
575 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
578 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
579 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
580 && test -f /usr/local/include/gmp.h; then
584 # Skip some stuff that's unsupported on some FreeBSD configurations.
590 noconfigdirs="$noconfigdirs ${libgcj}"
595 # Remove unsupported stuff on all kaOS configurations.
596 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
597 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
598 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
599 noconfigdirs="$noconfigdirs target-libgloss"
602 # Skip some stuff on all NetBSD configurations.
603 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
605 # Skip some stuff that's unsupported on some NetBSD configurations.
607 i*86-*-netbsdelf*) ;;
608 arm*-*-netbsdelf*) ;;
610 noconfigdirs="$noconfigdirs ${libgcj}"
615 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
618 skipdirs="${skipdirs} target-libiberty"
619 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
621 # The tpf target doesn't support gdb yet.
623 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${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-libiberty 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 target-libiberty 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} target-libiberty"
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-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
713 unsupported_languages="$unsupported_languages java"
714 noconfigdirs="$noconfigdirs target-boehm-gc gdb"
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"
807 # No gdb or ld support yet.
808 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb 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-libiberty 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 skipdirs="$skipdirs target-libiberty"
961 noconfigdirs="$noconfigdirs ${libgcj}"
962 if test x$with_newlib = xyes; then
963 noconfigdirs="$noconfigdirs gprof"
968 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
971 # Linking libjava exceeds command-line length limits on at least
972 # IRIX 6.2, but not on IRIX 6.5.
973 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
974 # <oldham@codesourcery.com>
975 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
978 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
981 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
984 noconfigdirs="$noconfigdirs gprof ${libgcj}"
988 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
992 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
993 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
994 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
995 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
999 noconfigdirs="$noconfigdirs ${libgcj}" ;;
1001 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
1004 sparclet-*-aout* | sparc86x-*-*)
1008 noconfigdirs="$noconfigdirs ${libgcj}"
1011 noconfigdirs="$noconfigdirs ${libgcj}"
1015 noconfigdirs="$noconfigdirs ${libgcj}"
1019 noconfigdirs="$noconfigdirs ${libgcj}"
1020 if test x${is_cross_compiler} != xno ; then
1021 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1026 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
1027 noconfigdirs="$noconfigdirs ${libgcj}"
1029 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
1032 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
1035 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
1038 noconfigdirs="$noconfigdirs ${libgcj}"
1041 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
1044 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1047 noconfigdirs="$noconfigdirs ${libgcj}"
1050 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
1052 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1053 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1056 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1059 noconfigdirs="$noconfigdirs ${libgcj}"
1063 # If we aren't building newlib, then don't build libgloss, since libgloss
1064 # depends upon some newlib header files.
1065 case "${noconfigdirs}" in
1066 *target-libgloss*) ;;
1067 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1070 # Work in distributions that contain no compiler tools, like Autoconf.
1072 host_makefile_frag=/dev/null
1073 if test -d ${srcdir}/config ; then
1076 # Avoid "too much defining" errors from HPUX compiler.
1077 tentative_cc="cc -Wp,-H256000"
1078 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1079 # If it's HP/UX ar, this should be harmless.
1083 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1086 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1087 # chokes on bfd, the compiler won't let you assign integers to enums, and
1088 # other problems. Defining CC to gcc is a questionable way to say "don't use
1089 # the apollo compiler" (the preferred version of GCC could be called cc,
1090 # or whatever), but I'm not sure leaving CC as cc is any better...
1091 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1092 # Used to have BISON=yacc.
1096 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1099 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1100 tentative_cc="cc -Xa"
1101 host_makefile_frag="config/mh-cxux"
1103 m88k-motorola-sysv*)
1106 tentative_cc="cc -Wf,-XNg1000"
1107 host_makefile_frag="config/mh-decstation"
1110 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1111 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1112 host_makefile_frag="config/mh-necv4"
1115 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1116 # environment. Also bump switch table size so that cp-parse will
1117 # compile. Bump string length limit so linker builds.
1118 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1121 host_makefile_frag="config/mh-sysv4"
1124 # This is for a MIPS running RISC/os 4.52C.
1126 # This is needed for GDB, but needs to be in the top-level make because
1127 # if a library is compiled with the bsd headers and gets linked with the
1128 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1129 # a different size).
1130 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1131 # known except to select the sysv environment. Could we use /proc instead?
1132 # These "sysv environments" and "bsd environments" often end up being a pain.
1134 # This is not part of CFLAGS because perhaps not all C compilers have this
1136 tentative_cc="cc -systype sysv"
1141 i[[3456789]]86-*-sysv5*)
1142 host_makefile_frag="config/mh-sysv5"
1144 i[[3456789]]86-*-dgux*)
1145 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1146 host_makefile_frag="config/mh-dgux386"
1148 i[[3456789]]86-ncr-sysv4.3*)
1149 # The MetaWare compiler will generate a copyright message unless you
1150 # turn it off by adding the -Hnocopyr flag.
1151 tentative_cc="cc -Hnocopyr"
1153 i[[3456789]]86-ncr-sysv4*)
1154 # for an NCR 3000 (i486/SVR4) system.
1155 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1156 # This compiler not only emits obnoxious copyright messages every time
1157 # you run it, but it chokes and dies on a whole bunch of GNU source
1158 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1159 tentative_cc="/usr/ccs/ATT/cc"
1160 host_makefile_frag="config/mh-ncr3000"
1162 i[[3456789]]86-*-sco3.2v5*)
1164 i[[3456789]]86-*-sco*)
1165 # The native C compiler botches some simple uses of const. Unfortunately,
1166 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1167 tentative_cc="cc -Dconst="
1168 host_makefile_frag="config/mh-sco"
1170 i[[3456789]]86-*-udk*)
1171 host_makefile_frag="config/mh-sysv5"
1173 i[[3456789]]86-*-solaris2*)
1174 host_makefile_frag="config/mh-sysv4"
1176 i[[3456789]]86-*-msdosdjgpp*)
1177 host_makefile_frag="config/mh-djgpp"
1180 ACX_CHECK_CYGWIN_CAT_WORKS
1181 host_makefile_frag="config/mh-cygwin"
1184 host_makefile_frag="config/mh-mingw"
1187 host_makefile_frag="config/mh-interix"
1190 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1194 host_makefile_frag="config/mh-solaris"
1197 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1198 # without overflowing the jump tables (-J says to use a 32 bit table)
1199 tentative_cc="cc -J"
1202 tentative_cc="cc -Wp,-H256000"
1203 host_makefile_frag="config/mh-pa-hpux10"
1205 hppa*-hp-hpux* | hppa*-*-hiux*)
1206 tentative_cc="cc -Wp,-H256000"
1207 host_makefile_frag="config/mh-pa"
1210 host_makefile_frag="config/mh-pa"
1212 *-hp-hpux* | *-*-hiux*)
1213 tentative_cc="cc -Wp,-H256000"
1216 # /bin/cc is less than useful for our purposes. Always use GCC
1217 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1218 host_makefile_frag="config/mh-lynxrs6k"
1221 host_makefile_frag="config/mh-darwin"
1224 host_makefile_frag="config/mh-ppc-aix"
1227 host_makefile_frag="config/mh-ppc-aix"
1230 # /bin/cc is less than useful for our purposes. Always use GCC
1231 tentative_cc="/bin/gcc"
1234 host_makefile_frag="config/mh-sysv4"
1236 # This is placed last to prevent interfering with the cases above.
1238 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1239 host_makefile_frag="config/mh-x86omitfp"
1244 # If we aren't going to be using gcc, see if we can extract a definition
1245 # of CC from the fragment.
1246 # Actually, use the 'pre-extracted' version above.
1247 if test -z "${CC}" && test "${build}" = "${host}" ; then
1248 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1250 for dir in $PATH; do
1251 test -z "$dir" && dir=.
1252 if test -f $dir/gcc; then
1258 if test -z "${found}" && test -n "${tentative_cc}" ; then
1263 if test "${build}" != "${host}" ; then
1264 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1265 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1266 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1267 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1268 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1269 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1270 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1271 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1272 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1273 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1274 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1275 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1276 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1278 AR_FOR_BUILD="\$(AR)"
1279 AS_FOR_BUILD="\$(AS)"
1280 CC_FOR_BUILD="\$(CC)"
1281 CXX_FOR_BUILD="\$(CXX)"
1282 GCJ_FOR_BUILD="\$(GCJ)"
1283 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1284 GOC_FOR_BUILD="\$(GOC)"
1285 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1286 LD_FOR_BUILD="\$(LD)"
1287 NM_FOR_BUILD="\$(NM)"
1288 RANLIB_FOR_BUILD="\$(RANLIB)"
1289 WINDRES_FOR_BUILD="\$(WINDRES)"
1290 WINDMC_FOR_BUILD="\$(WINDMC)"
1296 # We must set the default linker to the linker used by gcc for the correct
1297 # operation of libtool. If LD is not defined and we are using gcc, try to
1298 # set the LD default to the ld used by gcc.
1299 if test -z "$LD"; then
1300 if test "$GCC" = yes; then
1303 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1305 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1307 case $gcc_prog_ld in
1308 # Accept absolute paths.
1309 [[\\/]* | [A-Za-z]:[\\/]*)]
1310 LD="$gcc_prog_ld" ;;
1316 ACX_PROG_CMP_IGNORE_INITIAL
1318 # See if we are building gcc with C++.
1319 AC_ARG_ENABLE(build-with-cxx,
1320 [ --enable-build-with-cxx 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.
1334 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1335 Equivalent to --with-mpc-include=PATH/include
1336 plus --with-mpc-lib=PATH/lib])
1337 AC_ARG_WITH(mpc-include, [ --with-mpc-include=PATH
1338 specify directory for installed MPC include files])
1339 AC_ARG_WITH(mpc-lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1341 if test "x$with_mpc" != x; then
1342 gmplibs="-L$with_mpc/lib $gmplibs"
1343 gmpinc="-I$with_mpc/include $gmpinc"
1345 if test "x$with_mpc_include" != x; then
1346 gmpinc="-I$with_mpc_include $gmpinc"
1348 if test "x$with_mpc_lib" != x; then
1349 gmplibs="-L$with_mpc_lib $gmplibs"
1351 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1352 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1353 gmpinc='-I$$s/mpc/src '"$gmpinc"
1354 # Do not test the mpc version. Assume that it is sufficient, since
1355 # it is in the source tree, and the library has not been built yet
1356 # but it would be included on the link line in the version check below
1357 # hence making the test fail.
1361 # Specify a location for mpfr
1362 # check for this first so it ends up on the link line before gmp.
1363 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1364 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1365 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1367 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1368 Equivalent to --with-mpfr-include=PATH/include
1369 plus --with-mpfr-lib=PATH/lib])
1370 AC_ARG_WITH(mpfr-include, [ --with-mpfr-include=PATH
1371 specify directory for installed MPFR include files])
1372 AC_ARG_WITH(mpfr-lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1374 if test "x$with_mpfr" != x; then
1375 gmplibs="-L$with_mpfr/lib $gmplibs"
1376 gmpinc="-I$with_mpfr/include $gmpinc"
1378 if test "x$with_mpfr_include" != x; then
1379 gmpinc="-I$with_mpfr_include $gmpinc"
1381 if test "x$with_mpfr_lib" != x; then
1382 gmplibs="-L$with_mpfr_lib $gmplibs"
1384 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1385 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1386 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1387 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1388 # Do not test the mpfr version. Assume that it is sufficient, since
1389 # it is in the source tree, and the library has not been built yet
1390 # but it would be included on the link line in the version check below
1391 # hence making the test fail.
1395 # Specify a location for gmp
1396 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1397 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1398 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1400 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1401 Equivalent to --with-gmp-include=PATH/include
1402 plus --with-gmp-lib=PATH/lib])
1403 AC_ARG_WITH(gmp-include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1404 AC_ARG_WITH(gmp-lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1407 if test "x$with_gmp" != x; then
1408 gmplibs="-L$with_gmp/lib $gmplibs"
1409 gmpinc="-I$with_gmp/include $gmpinc"
1411 if test "x$with_gmp_include" != x; then
1412 gmpinc="-I$with_gmp_include $gmpinc"
1414 if test "x$with_gmp_lib" != x; then
1415 gmplibs="-L$with_gmp_lib $gmplibs"
1417 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1418 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1419 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1420 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1421 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1422 # Do not test the gmp version. Assume that it is sufficient, since
1423 # it is in the source tree, and the library has not been built yet
1424 # but it would be included on the link line in the version check below
1425 # hence making the test fail.
1429 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1431 saved_CFLAGS="$CFLAGS"
1432 CFLAGS="$CFLAGS $gmpinc"
1433 # Check for the recommended and required versions of GMP.
1434 AC_MSG_CHECKING([for the correct version of gmp.h])
1435 AC_TRY_COMPILE([#include "gmp.h"],[
1436 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1437 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1438 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1441 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1442 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1443 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1444 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1447 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1448 [AC_MSG_RESULT([no]); have_gmp=no])
1450 # If we have GMP, check the MPFR version.
1451 if test x"$have_gmp" = xyes; then
1452 # Check for the recommended and required versions of MPFR.
1453 AC_MSG_CHECKING([for the correct version of mpfr.h])
1454 AC_TRY_COMPILE([#include <gmp.h>
1455 #include <mpfr.h>],[
1456 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1459 ], [AC_TRY_COMPILE([#include <gmp.h>
1460 #include <mpfr.h>],[
1461 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1464 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1465 [AC_MSG_RESULT([no]); have_gmp=no])
1468 # Check for the MPC header version.
1469 if test x"$have_gmp" = xyes ; then
1470 # Check for the recommended and required versions of MPC.
1471 AC_MSG_CHECKING([for the correct version of mpc.h])
1472 AC_TRY_COMPILE([#include <mpc.h>],[
1473 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1476 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1477 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1480 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1481 [AC_MSG_RESULT([no]); have_gmp=no])
1484 # Now check the MPFR library.
1485 if test x"$have_gmp" = xyes; then
1487 LIBS="$LIBS $gmplibs"
1488 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1489 AC_TRY_LINK([#include <mpc.h>],[
1496 mpfr_atan2 (n, n, x, GMP_RNDN);
1497 mpfr_erfc (n, x, GMP_RNDN);
1498 mpfr_subnormalize (x, t, GMP_RNDN);
1502 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1503 mpc_cosh (c, c, MPC_RNDNN);
1504 mpc_pow (c, c, c, MPC_RNDNN);
1505 mpc_acosh (c, c, MPC_RNDNN);
1507 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1511 CFLAGS="$saved_CFLAGS"
1513 # The library versions listed in the error message below should match
1514 # the HARD-minimums enforced above.
1515 if test x$have_gmp != xyes; then
1516 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1517 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1518 their locations. Source code for these libraries can be found at
1519 their respective hosting sites as well as at
1520 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1521 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1522 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1523 make sure that you have installed both the libraries and the header
1524 files. They may be located in separate packages.])
1528 # Flags needed for both GMP, MPFR and/or MPC.
1531 AC_SUBST(extra_mpfr_configure_flags)
1532 AC_SUBST(extra_mpc_gmp_configure_flags)
1533 AC_SUBST(extra_mpc_mpfr_configure_flags)
1535 # Allow host libstdc++ to be specified for static linking with PPL.
1536 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1537 when linking with PPL])
1539 case $with_host_libstdcxx in
1541 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1545 # Linker flags to use for stage1 or when not boostrapping.
1546 AC_ARG_WITH(stage1-ldflags,
1547 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1548 [if test "$withval" = "no" -o "$withval" = "yes"; then
1551 stage1_ldflags=$withval
1554 AC_SUBST(stage1_ldflags)
1556 # Libraries to use for stage1 or when not bootstrapping.
1557 AC_ARG_WITH(stage1-libs,
1558 [ -with-stage1-libs=LIBS Libraries for stage1],
1559 [if test "$withval" = "no" -o "$withval" = "yes"; then
1562 stage1_libs=$withval
1564 [stage1_libs=$with_host_libstdcxx])
1565 AC_SUBST(stage1_libs)
1567 # Libraries to use for stage2 and later builds. This defaults to the
1568 # argument passed to --with-host-libstdcxx.
1569 AC_ARG_WITH(boot-libs,
1570 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1571 [if test "$withval" = "no" -o "$withval" = "yes"; then
1574 poststage1_libs=$withval
1576 [poststage1_libs=$with_host_libstdcxx])
1577 AC_SUBST(poststage1_libs)
1579 # Linker flags to use for stage2 and later builds.
1580 AC_ARG_WITH(boot-ldflags,
1581 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1582 [if test "$withval" = "no" -o "$withval" = "yes"; then
1585 poststage1_ldflags=$withval
1587 [poststage1_ldflags=
1588 # In stages 2 and 3, default to linking libstdc++ and libgcc
1589 # statically. But if the user explicitly specified the libraries to
1590 # use, trust that they are doing what they want.
1591 if test "$poststage1_libs" = ""; then
1592 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1594 AC_SUBST(poststage1_ldflags)
1597 ppllibs=" -lppl_c -lppl -lgmpxx"
1600 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1601 Equivalent to --with-ppl-include=PATH/include
1602 plus --with-ppl-lib=PATH/lib])
1603 AC_ARG_WITH(ppl-include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1604 AC_ARG_WITH(ppl-lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1613 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1614 pplinc="-I$with_ppl/include $pplinc"
1617 if test "x$with_ppl_include" != x; then
1618 pplinc="-I$with_ppl_include $pplinc"
1620 if test "x$with_ppl_lib" != x; then
1621 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1623 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1624 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"' -lppl_c -lppl -lgmpxx '
1625 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1626 enable_ppl_version_check=no
1629 AC_ARG_ENABLE(ppl-version-check,
1630 [ --disable-ppl-version-check disable check for PPL version],
1631 ENABLE_PPL_CHECK=$enableval,
1632 ENABLE_PPL_CHECK=yes)
1634 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
1635 saved_CFLAGS="$CFLAGS"
1636 CFLAGS="$CFLAGS $pplinc $gmpinc"
1637 AC_MSG_CHECKING([for version 0.10 (or later revision) of PPL])
1638 AC_TRY_COMPILE([#include "ppl_c.h"],[
1639 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10
1642 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1643 CFLAGS="$saved_CFLAGS"
1646 # Flags needed for PPL
1653 dnl Provide configure switches and initialize clooginc & clooglibs
1654 dnl with user input.
1656 if test "x$with_ppl" = "xno"; then
1659 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1660 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1661 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1662 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1664 if test "x$with_cloog" != "xno"; then
1665 dnl Version check for CLooG-Org
1666 dnl As long as there is no new release of CLooG,
1667 dnl we will check for 0.14.0.
1669 dnl The first git revision that will work with
1670 dnl GCC is: bd91b845a65805c290d43fc1bef8139864a163fb
1671 dnl This is enforced implictly, as this is the commit that
1672 dnl introduced the versioning information used within our
1675 dnl If we're using CLooG-Legacy, the provided version information
1676 dnl will be ignored.
1677 CLOOG_CHECK_VERSION(0,14,0)
1679 dnl Only execute fail-action, if CLooG has been
1682 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1685 # Check for LTO support.
1687 [ --enable-lto enable link time optimization support],
1688 enable_lto=$enableval,
1689 enable_lto=yes; default_enable_lto=yes)
1691 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1692 build_lto_plugin=yes
1693 ],[if test x"$default_enable_lto" = x"yes" ; then
1695 *-apple-darwin* | *-cygwin* | *-mingw*) ;;
1696 # On other non-ELF platforms, LTO has yet to be validated.
1700 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1701 # It would also be nice to check the binutils support, but we don't
1702 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1703 # warn during gcc/ subconfigure; unless you're bootstrapping with
1704 # -flto it won't be needed until after installation anyway.
1706 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1707 *) if test x"$enable_lto" = x"yes"; then
1708 AC_MSG_ERROR([LTO support is not enabled for this target.])
1713 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1714 # Build it unless LTO was explicitly disabled.
1716 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1722 # By default, C is the only stage 1 language.
1723 stage1_languages=,c,
1725 # Target libraries that we bootstrap.
1726 bootstrap_target_libs=,target-libgcc,
1728 # Figure out what language subdirectories are present.
1729 # Look if the user specified --enable-languages="..."; if not, use
1730 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1732 # NB: embedded tabs in this IF block -- do not untabify
1733 if test -d ${srcdir}/gcc; then
1734 if test x"${enable_languages+set}" != xset; then
1735 if test x"${LANGUAGES+set}" = xset; then
1736 enable_languages="${LANGUAGES}"
1737 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1739 enable_languages=all
1742 if test x"${enable_languages}" = x ||
1743 test x"${enable_languages}" = xyes;
1745 echo configure.in: --enable-languages needs at least one language argument 1>&2
1749 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1751 # 'f95' is the old name for the 'fortran' language. We issue a warning
1752 # and make the substitution.
1753 case ,${enable_languages}, in
1755 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1756 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1760 # First scan to see if an enabled language requires some other language.
1761 # We assume that a given config-lang.in will list all the language
1762 # front ends it requires, even if some are required indirectly.
1763 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1764 case ${lang_frag} in
1766 # The odd quoting in the next line works around
1767 # an apparent bug in bash 1.12 on linux.
1768 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1770 # From the config-lang.in, get $language, $lang_requires, and
1771 # $lang_requires_boot_languages.
1774 lang_requires_boot_languages=
1776 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1777 case ,${enable_languages}, in
1781 echo " \`$other' language required by \`$language'; enabling" 1>&2
1782 enable_languages="${enable_languages},${other}"
1786 for other in ${lang_requires_boot_languages} ; do
1787 if test "$other" != "c"; then
1788 case ,${enable_stage1_languages}, in
1792 case ,${enable_languages}, in
1794 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1795 enable_stage1_languages="$enable_stage1_languages,${other}"
1806 new_enable_languages=,c,
1808 # If LTO is enabled, add the LTO front end.
1809 extra_host_libiberty_configure_flags=
1810 if test "$enable_lto" = "yes" ; then
1811 case ,${enable_languages}, in
1813 *) enable_languages="${enable_languages},lto" ;;
1815 if test "${build_lto_plugin}" = "yes" ; then
1816 configdirs="$configdirs lto-plugin"
1817 extra_host_libiberty_configure_flags=--enable-shared
1820 AC_SUBST(extra_host_libiberty_configure_flags)
1822 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1823 potential_languages=,c,
1825 enabled_target_libs=
1826 disabled_target_libs=
1828 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1829 case ${lang_frag} in
1831 # The odd quoting in the next line works around
1832 # an apparent bug in bash 1.12 on linux.
1833 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1835 # From the config-lang.in, get $language, $target_libs,
1836 # $lang_dirs, $boot_language, and $build_by_default
1842 build_by_default=yes
1844 if test x${language} = x; then
1845 echo "${lang_frag} doesn't set \$language." 1>&2
1849 if test "$language" = "c++" \
1850 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1854 case ,${enable_languages}, in
1856 # Language was explicitly selected; include it.
1860 # 'all' was selected, select it if it is a default language
1861 add_this_lang=${build_by_default}
1868 # Disable languages that need other directories if these aren't available.
1869 for i in $subdir_requires; do
1870 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1871 case ,${enable_languages}, in
1873 # Specifically requested language; tell them.
1874 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1878 add_this_lang=unsupported
1883 # Disable Ada if no preexisting GNAT is available.
1884 case ,${enable_languages},:${language}:${have_gnat} in
1885 *,${language},*:ada:no)
1886 # Specifically requested language; tell them.
1887 AC_MSG_ERROR([GNAT is required to build $language])
1891 add_this_lang=unsupported
1895 # Disable a language that is unsupported by the target.
1896 case " $unsupported_languages " in
1898 add_this_lang=unsupported
1902 case $add_this_lang in
1904 # Remove language-dependent dirs.
1905 disabled_target_libs="$disabled_target_libs $target_libs"
1906 noconfigdirs="$noconfigdirs $lang_dirs"
1909 # Remove language-dependent dirs; still show language as supported.
1910 disabled_target_libs="$disabled_target_libs $target_libs"
1911 noconfigdirs="$noconfigdirs $lang_dirs"
1912 potential_languages="${potential_languages}${language},"
1915 new_enable_languages="${new_enable_languages}${language},"
1916 potential_languages="${potential_languages}${language},"
1917 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1918 enabled_target_libs="$enabled_target_libs $target_libs"
1919 case "${boot_language}:,$enable_stage1_languages," in
1920 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1921 # Add to (comma-separated) list of stage 1 languages.
1922 case ",$stage1_languages," in
1923 *,$language,* | ,yes, | ,all,) ;;
1924 *) stage1_languages="${stage1_languages}${language}," ;;
1926 # We need to bootstrap any supporting libraries.
1927 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1936 # Add target libraries which are only needed for disabled languages
1938 if test -n "$disabled_target_libs"; then
1939 for dir in $disabled_target_libs; do
1940 case " $enabled_target_libs " in
1942 *) noconfigdirs="$noconfigdirs $dir" ;;
1947 AC_ARG_ENABLE(stage1-languages,
1948 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1949 stage1. Mostly useful for compiler development.],
1950 [case ,${enable_stage1_languages}, in
1952 # Set it to something that will have no effect in the loop below
1953 enable_stage1_languages=c ;;
1955 enable_stage1_languages=`echo $new_enable_languages | \
1956 sed -e "s/^,//" -e "s/,$//" ` ;;
1958 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1959 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1962 # Add "good" languages from enable_stage1_languages to stage1_languages,
1963 # while "bad" languages go in missing_languages. Leave no duplicates.
1964 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1965 case $potential_languages in
1967 case $stage1_languages in
1969 *) stage1_languages="$stage1_languages$i," ;;
1972 case $missing_languages in
1974 *) missing_languages="$missing_languages$i," ;;
1979 # Remove leading/trailing commas that were added for simplicity
1980 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1981 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1982 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1983 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1985 if test "x$missing_languages" != x; then
1987 The following requested languages could not be built: ${missing_languages}
1988 Supported languages are: ${potential_languages}])
1990 if test "x$new_enable_languages" != "x$enable_languages"; then
1991 echo The following languages will be built: ${new_enable_languages}
1992 enable_languages="$new_enable_languages"
1995 AC_SUBST(stage1_languages)
1996 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1999 # Handle --disable-<component> generically.
2000 for dir in $configdirs $build_configdirs $target_configdirs ; do
2001 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2002 varname=`echo $dirname | sed -e s/+/_/g`
2003 if eval test x\${enable_${varname}} "=" xno ; then
2004 noconfigdirs="$noconfigdirs $dir"
2008 # Check for Boehm's garbage collector
2009 AC_ARG_ENABLE(objc-gc,
2010 [ --enable-objc-gc enable use of Boehm's garbage collector with the
2011 GNU Objective-C runtime],
2012 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2013 *,objc,*:*:yes:*target-boehm-gc*)
2014 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2018 # Make sure we only build Boehm's garbage collector if required.
2019 case ,${enable_languages},:${enable_objc_gc} in
2021 # Keep target-boehm-gc if requested for Objective-C.
2024 # Otherwise remove target-boehm-gc depending on target-libjava.
2025 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2026 noconfigdirs="$noconfigdirs target-boehm-gc"
2031 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2032 # $build_configdirs and $target_configdirs.
2033 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2036 for dir in . $skipdirs $noconfigdirs ; do
2037 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2038 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2039 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2040 if test -r $srcdir/$dirname/configure ; then
2041 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2044 notsupp="$notsupp $dir"
2048 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2049 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2050 if test -r $srcdir/$dirname/configure ; then
2051 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2054 notsupp="$notsupp $dir"
2058 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2059 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2060 if test -r $srcdir/$dirname/configure ; then
2061 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2064 notsupp="$notsupp $dir"
2070 # Sometimes the tools are distributed with libiberty but with no other
2071 # libraries. In that case, we don't want to build target-libiberty.
2072 # Don't let libgcc imply libiberty either.
2073 if test -n "${target_configdirs}" ; then
2076 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2077 if test "$i" = "libgcc"; then
2078 libgcc=target-libgcc
2079 elif test "$i" != "libiberty" ; then
2080 if test -r $srcdir/$i/configure ; then
2086 if test -z "${others}" ; then
2087 target_configdirs=$libgcc
2091 # Quietly strip out all directories which aren't configurable in this tree.
2092 # This relies on all configurable subdirectories being autoconfiscated, which
2094 build_configdirs_all="$build_configdirs"
2096 for i in ${build_configdirs_all} ; do
2097 j=`echo $i | sed -e s/build-//g`
2098 if test -f ${srcdir}/$j/configure ; then
2099 build_configdirs="${build_configdirs} $i"
2103 configdirs_all="$configdirs"
2105 for i in ${configdirs_all} ; do
2106 if test -f ${srcdir}/$i/configure ; then
2107 configdirs="${configdirs} $i"
2111 target_configdirs_all="$target_configdirs"
2113 for i in ${target_configdirs_all} ; do
2114 j=`echo $i | sed -e s/target-//g`
2115 if test -f ${srcdir}/$j/configure ; then
2116 target_configdirs="${target_configdirs} $i"
2120 # Produce a warning message for the subdirs we can't configure.
2121 # This isn't especially interesting in the Cygnus tree, but in the individual
2122 # FSF releases, it's important to let people know when their machine isn't
2123 # supported by the one or two programs in a package.
2125 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2126 # If $appdirs is non-empty, at least one of those directories must still
2127 # be configured, or we error out. (E.g., if the gas release supports a
2128 # specified target in some subdirs but not the gas subdir, we shouldn't
2129 # pretend that all is well.)
2130 if test -n "$appdirs" ; then
2131 for dir in $appdirs ; do
2132 if test -r $dir/Makefile.in ; then
2133 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2137 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2143 if test -n "$appdirs" ; then
2144 echo "*** This configuration is not supported by this package." 1>&2
2148 # Okay, some application will build, or we don't care to check. Still
2149 # notify of subdirs not getting built.
2150 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2151 echo " ${notsupp}" 1>&2
2152 echo " (Any other directories should still work fine.)" 1>&2
2160 # To find our prefix, in gcc_cv_tool_prefix.
2165 AC_ARG_WITH([build-sysroot],
2166 [ --with-build-sysroot=SYSROOT
2167 use sysroot as the system root during the build],
2168 [if test x"$withval" != x ; then
2169 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2171 [SYSROOT_CFLAGS_FOR_TARGET=])
2172 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2174 AC_ARG_WITH([debug-prefix-map],
2175 [ --with-debug-prefix-map='A=B C=D ...'
2176 map A to B, C to D ... in debug information],
2177 [if test x"$withval" != x; then
2178 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2179 for debug_map in $withval; do
2180 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2183 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2184 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2186 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2187 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2188 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2189 # We want to ensure that TARGET libraries (which we know are built with
2190 # gcc) are built with "-O2 -g", so include those options when setting
2191 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2192 if test "x$CFLAGS_FOR_TARGET" = x; then
2193 CFLAGS_FOR_TARGET=$CFLAGS
2196 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2199 *" -g "* | *" -g3 "*) ;;
2200 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2203 AC_SUBST(CFLAGS_FOR_TARGET)
2205 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2206 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2207 case " $CXXFLAGS " in
2209 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2211 case " $CXXFLAGS " in
2212 *" -g "* | *" -g3 "*) ;;
2213 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2216 AC_SUBST(CXXFLAGS_FOR_TARGET)
2218 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2219 # the named directory are copied to $(tooldir)/sys-include.
2220 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2221 if test x${is_cross_compiler} = xno ; then
2222 echo 1>&2 '***' --with-headers is only supported when cross compiling
2225 if test x"${with_headers}" != xyes ; then
2226 x=${gcc_cv_tool_prefix}
2227 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2231 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2232 # the name directories are copied to $(tooldir)/lib. Multiple directories
2234 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2235 if test x${is_cross_compiler} = xno ; then
2236 echo 1>&2 '***' --with-libs is only supported when cross compiling
2239 if test x"${with_libs}" != xyes ; then
2240 # Copy the libraries in reverse order, so that files in the first named
2241 # library override files in subsequent libraries.
2242 x=${gcc_cv_tool_prefix}
2243 for l in ${with_libs}; do
2244 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2249 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2251 # This is done by determining whether or not the appropriate directory
2252 # is available, and by checking whether or not specific configurations
2253 # have requested that this magic not happen.
2255 # The command line options always override the explicit settings in
2256 # configure.in, and the settings in configure.in override this magic.
2258 # If the default for a toolchain is to use GNU as and ld, and you don't
2259 # want to do that, then you should use the --without-gnu-as and
2260 # --without-gnu-ld options for the configure script. Similarly, if
2261 # the default is to use the included zlib and you don't want to do that,
2262 # you should use the --with-system-zlib option for the configure script.
2264 if test x${use_gnu_as} = x &&
2265 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2267 extra_host_args="$extra_host_args --with-gnu-as"
2270 if test x${use_gnu_ld} = x &&
2271 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2273 extra_host_args="$extra_host_args --with-gnu-ld"
2276 if test x${use_included_zlib} = x &&
2277 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2280 with_system_zlib=yes
2281 extra_host_args="$extra_host_args --with-system-zlib"
2284 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2285 # can detect this case.
2287 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2289 extra_host_args="$extra_host_args --with-newlib"
2292 # Handle ${copy_dirs}
2293 set fnord ${copy_dirs}
2295 while test $# != 0 ; do
2296 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2299 echo Copying $1 to $2
2301 # Use the install script to create the directory and all required
2302 # parent directories.
2303 if test -d $2 ; then
2307 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2310 # Copy the directory, assuming we have tar.
2311 # FIXME: Should we use B in the second tar? Not all systems support it.
2312 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2314 # It is the responsibility of the user to correctly adjust all
2315 # symlinks. If somebody can figure out how to handle them correctly
2316 # here, feel free to add the code.
2323 # Determine a target-dependent exec_prefix that the installed
2324 # gcc will search in. Keep this list sorted by triplet, with
2325 # the *-*-osname triplets last.
2329 md_exec_prefix=/gnu/lib/gcc-lib
2331 i[[34567]]86-pc-msdosdjgpp*)
2332 md_exec_prefix=/dev/env/DJDIR/bin
2334 i[[34567]]86-*-sco3.2v5*)
2335 if test $with_gnu_as = yes; then
2336 md_exec_prefix=/usr/gnu/bin
2338 md_exec_prefix=/usr/ccs/bin/elf
2343 powerpc-*-chorusos* | \
2344 powerpc*-*-eabi* | \
2345 powerpc*-*-sysv* | \
2346 powerpc*-*-kaos* | \
2348 md_exec_prefix=/usr/ccs/bin
2353 md_exec_prefix=/usr/ccs/bin
2368 md_exec_prefix=/usr/ccs/bin
2372 extra_arflags_for_target=
2373 extra_nmflags_for_target=
2374 extra_ranlibflags_for_target=
2375 target_makefile_frag=/dev/null
2378 target_makefile_frag="config/mt-mep"
2381 target_makefile_frag="config/mt-spu"
2384 target_makefile_frag="config/mt-sde"
2386 mipsisa*-*-elfoabi*)
2387 target_makefile_frag="config/mt-mips-elfoabi"
2389 mips*-*-*linux* | mips*-*-gnu*)
2390 target_makefile_frag="config/mt-mips-gnu"
2393 target_makefile_frag="config/mt-netware"
2395 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2396 target_makefile_frag="config/mt-gnu"
2398 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2399 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2400 # commands to handle both 32-bit and 64-bit objects. These flags are
2401 # harmless if we're using GNU nm or ar.
2402 extra_arflags_for_target=" -X32_64"
2403 extra_nmflags_for_target=" -B -X32_64"
2406 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2407 extra_ranlibflags_for_target=" -c"
2409 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2410 target_makefile_frag="config/mt-wince"
2414 alphaieee_frag=/dev/null
2417 # This just makes sure to use the -mieee option to build target libs.
2418 # This should probably be set individually by each library.
2419 alphaieee_frag="config/mt-alphaieee"
2423 # If --enable-target-optspace always use -Os instead of -O2 to build
2424 # the target libraries, similarly if it is not specified, use -Os
2425 # on selected platforms.
2426 ospace_frag=/dev/null
2427 case "${enable_target_optspace}:${target}" in
2429 ospace_frag="config/mt-ospace"
2432 ospace_frag="config/mt-d30v"
2434 :m32r-* | :d10v-* | :fr30-*)
2435 ospace_frag="config/mt-ospace"
2440 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2444 # Default to using --with-stabs for certain targets.
2445 if test x${with_stabs} = x ; then
2447 mips*-*-irix[[56]]*)
2449 mips*-*-* | alpha*-*-osf*)
2451 extra_host_args="${extra_host_args} --with-stabs"
2456 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2457 # them automatically.
2460 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2464 # Some systems (e.g., one of the i386-aix systems the gas testers are
2465 # using) don't handle "\$" correctly, so don't use it here.
2466 tooldir='${exec_prefix}'/${target_noncanonical}
2467 build_tooldir=${tooldir}
2469 # Create a .gdbinit file which runs the one in srcdir
2470 # and tells GDB to look there for source files.
2472 if test -r ${srcdir}/.gdbinit ; then
2475 *) cat > ./.gdbinit <<EOF
2479 source ${srcdir}/.gdbinit
2485 # Make sure that the compiler is able to generate an executable. If it
2486 # can't, we are probably in trouble. We don't care whether we can run the
2487 # executable--we might be using a cross compiler--we only care whether it
2488 # can be created. At this point the main configure script has set CC.
2490 echo "int main () { return 0; }" > conftest.c
2491 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2492 if test $? = 0 ; then
2493 if test -s conftest || test -s conftest.exe ; then
2499 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2500 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2507 # The Solaris /usr/ucb/cc compiler does not appear to work.
2509 sparc-sun-solaris2*)
2510 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2511 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2513 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2514 if test -d /opt/cygnus/bin ; then
2515 if test "$could_use" = "" ; then
2516 could_use="/opt/cygnus/bin"
2518 could_use="$could_use or /opt/cygnus/bin"
2521 if test "$could_use" = "" ; then
2522 echo "Warning: compilation may fail because you're using"
2523 echo "/usr/ucb/cc. You should change your PATH or CC "
2524 echo "variable and rerun configure."
2526 echo "Warning: compilation may fail because you're using"
2527 echo "/usr/ucb/cc, when you should use the C compiler from"
2528 echo "$could_use. You should change your"
2529 echo "PATH or CC variable and rerun configure."
2535 # Decide which environment variable is used to find dynamic libraries.
2537 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2538 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2539 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2540 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2543 # On systems where the dynamic library environment variable is PATH,
2544 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2545 # built executables to PATH.
2546 if test "$RPATH_ENVVAR" = PATH; then
2547 GCC_SHLIB_SUBDIR=/shlib
2552 # Record target_configdirs and the configure arguments for target and
2553 # build configuration in Makefile.
2554 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2555 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2557 # If we are building libgomp, bootstrap it.
2558 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2559 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2562 # Determine whether gdb needs tk/tcl or not.
2563 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2564 # and in that case we want gdb to be built without tk. Ugh!
2565 # In fact I believe gdb is the *only* package directly dependent on tk,
2566 # so we should be able to put the 'maybe's in unconditionally and
2567 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2568 # 100% sure that that's safe though.
2570 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2571 case "$enable_gdbtk" in
2575 GDB_TK="${gdb_tk}" ;;
2577 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2578 # distro. Eventually someone will fix this and move Insight, nee
2579 # gdbtk to a separate directory.
2580 if test -d ${srcdir}/gdb/gdbtk ; then
2587 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2588 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2590 # Strip out unwanted targets.
2592 # While at that, we remove Makefiles if we were started for recursive
2593 # configuration, so that the top-level Makefile reconfigures them,
2594 # like we used to do when configure itself was recursive.
2596 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2597 # but now we're fixing up the Makefile ourselves with the additional
2598 # commands passed to AC_CONFIG_FILES. Use separate variables
2599 # extrasub-{build,host,target} not because there is any reason to split
2600 # the substitutions up that way, but only to remain below the limit of
2601 # 99 commands in a script, for HP-UX sed.
2602 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2604 AC_ARG_ENABLE([bootstrap],
2605 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2606 enable_bootstrap=default)
2608 # Issue errors and warnings for invalid/strange bootstrap combinations.
2609 case "$configdirs" in
2610 *gcc*) have_compiler=yes ;;
2611 *) have_compiler=no ;;
2614 case "$have_compiler:$host:$target:$enable_bootstrap" in
2617 # Default behavior. Enable bootstrap if we have a compiler
2618 # and we are in a native configuration.
2619 yes:$build:$build:default)
2620 enable_bootstrap=yes ;;
2623 enable_bootstrap=no ;;
2625 # We have a compiler and we are in a native configuration, bootstrap is ok
2626 yes:$build:$build:yes)
2629 # Other configurations, but we have a compiler. Assume the user knows
2632 AC_MSG_WARN([trying to bootstrap a cross compiler])
2635 # No compiler: if they passed --enable-bootstrap explicitly, fail
2637 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2639 # Fail if wrong command line
2641 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2645 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2648 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2652 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2653 yes:yes:*\ gold\ *:*,c++,*) ;;
2654 yes:yes:*\ gold\ *:*)
2655 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2659 # Adjust the toplevel makefile according to whether bootstrap was selected.
2660 case $enable_bootstrap in
2662 bootstrap_suffix=bootstrap
2663 BUILD_CONFIG=bootstrap-debug
2666 bootstrap_suffix=no-bootstrap
2671 AC_MSG_CHECKING(for default BUILD_CONFIG)
2673 AC_ARG_WITH([build-config],
2674 [--with-build-config='NAME NAME2...'
2675 Use config/NAME.mk build configuration],
2676 [case $with_build_config in
2677 yes) with_build_config= ;;
2678 no) with_build_config= BUILD_CONFIG= ;;
2681 if test "x${with_build_config}" != x; then
2682 BUILD_CONFIG=$with_build_config
2684 case $BUILD_CONFIG in
2686 if echo "int f (void) { return 0; }" > conftest.c &&
2687 ${CC} -c conftest.c &&
2688 mv conftest.o conftest.o.g0 &&
2689 ${CC} -c -g conftest.c &&
2690 mv conftest.o conftest.o.g &&
2691 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2696 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2700 AC_MSG_RESULT($BUILD_CONFIG)
2701 AC_SUBST(BUILD_CONFIG)
2704 for module in ${build_configdirs} ; do
2705 if test -z "${no_recursion}" \
2706 && test -f ${build_subdir}/${module}/Makefile; then
2707 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2708 rm -f ${build_subdir}/${module}/Makefile
2710 extrasub_build="$extrasub_build
2711 /^@if build-$module\$/d
2712 /^@endif build-$module\$/d
2713 /^@if build-$module-$bootstrap_suffix\$/d
2714 /^@endif build-$module-$bootstrap_suffix\$/d"
2717 for module in ${configdirs} ; do
2718 if test -z "${no_recursion}"; then
2719 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2720 if test -f ${file}; then
2721 echo 1>&2 "*** removing ${file} to force reconfigure"
2726 extrasub_host="$extrasub_host
2728 /^@endif $module\$/d
2729 /^@if $module-$bootstrap_suffix\$/d
2730 /^@endif $module-$bootstrap_suffix\$/d"
2733 for module in ${target_configdirs} ; do
2734 if test -z "${no_recursion}" \
2735 && test -f ${target_subdir}/${module}/Makefile; then
2736 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2737 rm -f ${target_subdir}/${module}/Makefile
2740 # We only bootstrap target libraries listed in bootstrap_target_libs.
2741 case $bootstrap_target_libs in
2742 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2743 *) target_bootstrap_suffix=no-bootstrap ;;
2746 extrasub_target="$extrasub_target
2747 /^@if target-$module\$/d
2748 /^@endif target-$module\$/d
2749 /^@if target-$module-$target_bootstrap_suffix\$/d
2750 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2753 # Do the final fixup along with target modules.
2754 extrasub_target="$extrasub_target
2755 /^@if /,/^@endif /d"
2757 # Create the serialization dependencies. This uses a temporary file.
2759 AC_ARG_ENABLE([serial-configure],
2760 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2761 force sequential configuration of
2762 sub-packages for the host, target or build
2763 machine, or all sub-packages])
2765 case ${enable_serial_configure} in
2767 enable_serial_build_configure=yes
2768 enable_serial_host_configure=yes
2769 enable_serial_target_configure=yes
2773 # These force 'configure's to be done one at a time, to avoid problems
2774 # with contention over a shared config.cache.
2776 echo '# serdep.tmp' > serdep.tmp
2778 test "x${enable_serial_build_configure}" = xyes &&
2779 for item in ${build_configdirs} ; do
2782 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2787 test "x${enable_serial_host_configure}" = xyes &&
2788 for item in ${configdirs} ; do
2791 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2796 test "x${enable_serial_target_configure}" = xyes &&
2797 for item in ${target_configdirs} ; do
2800 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2804 serialization_dependencies=serdep.tmp
2805 AC_SUBST_FILE(serialization_dependencies)
2807 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2808 # target, nonopt, and variable assignments. These are the ones we
2809 # might not want to pass down to subconfigures. The exception being
2810 # --cache-file=/dev/null, which is used to turn off the use of cache
2811 # files altogether, and which should be passed on to subconfigures.
2812 # Also strip program-prefix, program-suffix, and program-transform-name,
2813 # so that we can pass down a consistent program-transform-name.
2817 eval "set -- $ac_configure_args"
2820 if test X"$skip_next" = X"yes"; then
2824 if test X"$keep_next" = X"yes"; then
2827 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2829 baseargs="$baseargs '$ac_arg'"
2834 # Handle separated arguments. Based on the logic generated by
2837 *=* | --config-cache | -C | -disable-* | --disable-* \
2838 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2839 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2840 | -with-* | --with-* | -without-* | --without-* | --x)
2852 --cache-file=/dev/null | \
2853 -cache-file=/dev/null )
2854 # Handled here to avoid the test to skip args below.
2855 baseargs="$baseargs '$ac_arg'"
2856 # Assert: $separate_arg should always be no.
2857 keep_next=$separate_arg
2873 -program-prefix* | \
2874 -program-suffix* | \
2875 -program-transform-name* )
2876 skip_next=$separate_arg
2880 # An option. Add it.
2883 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2885 baseargs="$baseargs '$ac_arg'"
2886 keep_next=$separate_arg
2889 # Either a variable assignment, or a nonopt (triplet). Don't
2890 # pass it down; let the Makefile handle this.
2895 # Remove the initial space we just introduced and, as these will be
2896 # expanded by make, quote '$'.
2897 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2899 # Add in --program-transform-name, after --program-prefix and
2900 # --program-suffix have been applied to it. Autoconf has already
2901 # doubled dollar signs and backslashes in program_transform_name; we want
2902 # the backslashes un-doubled, and then the entire thing wrapped in single
2903 # quotes, because this will be expanded first by make and then by the shell.
2904 # Also, because we want to override the logic in subdir configure scripts to
2905 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2906 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2907 ${program_transform_name}
2909 gcc_transform_name=`cat conftestsed.out`
2910 rm -f conftestsed.out
2911 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2912 if test "$silent" = yes; then
2913 baseargs="$baseargs --silent"
2915 baseargs="$baseargs --disable-option-checking"
2917 # Record and document user additions to sub configure arguments.
2918 AC_ARG_VAR([build_configargs],
2919 [additional configure arguments for build directories])
2920 AC_ARG_VAR([host_configargs],
2921 [additional configure arguments for host directories])
2922 AC_ARG_VAR([target_configargs],
2923 [additional configure arguments for target directories])
2925 # For the build-side libraries, we just need to pretend we're native,
2926 # and not use the same cache file. Multilibs are neither needed nor
2928 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2930 # For host modules, accept cache file option, or specification as blank.
2931 case "${cache_file}" in
2933 cache_file_option="" ;;
2934 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2935 cache_file_option="--cache-file=${cache_file}" ;;
2937 cache_file_option="--cache-file=../${cache_file}" ;;
2940 # Host dirs don't like to share a cache file either, horribly enough.
2941 # This seems to be due to autoconf 2.5x stupidity.
2942 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2944 target_configargs="$target_configargs ${baseargs}"
2946 # Passing a --with-cross-host argument lets the target libraries know
2947 # whether they are being built with a cross-compiler or being built
2948 # native. However, it would be better to use other mechanisms to make the
2949 # sorts of decisions they want to make on this basis. Please consider
2950 # this option to be deprecated. FIXME.
2951 if test x${is_cross_compiler} = xyes ; then
2952 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2955 # Default to --enable-multilib.
2956 if test x${enable_multilib} = x ; then
2957 target_configargs="--enable-multilib ${target_configargs}"
2960 # Pass --with-newlib if appropriate. Note that target_configdirs has
2961 # changed from the earlier setting of with_newlib.
2962 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2963 target_configargs="--with-newlib ${target_configargs}"
2966 # Different target subdirs use different values of certain variables
2967 # (notably CXX). Worse, multilibs use *lots* of different values.
2968 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2969 # it doesn't automatically accept command-line overrides of them.
2970 # This means it's not safe for target subdirs to share a cache file,
2971 # which is disgusting, but there you have it. Hopefully this can be
2972 # fixed in future. It's still worthwhile to use a cache file for each
2973 # directory. I think.
2975 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2976 # We need to pass --target, as newer autoconf's requires consistency
2977 # for target_alias and gcc doesn't manage it consistently.
2978 target_configargs="--cache-file=./config.cache ${target_configargs}"
2981 case " $target_configdirs " in
2983 case " $target_configargs " in
2984 *" --with-newlib "*)
2987 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 $$s/winsup/w32api/include'
2991 # If we're not building GCC, don't discard standard headers.
2992 if test -d ${srcdir}/gcc; then
2993 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2995 if test "${build}" != "${host}"; then
2996 # On Canadian crosses, CC_FOR_TARGET will have already been set
2997 # by `configure', so we won't have an opportunity to add -Bgcc/
2998 # to it. This is right: we don't want to search that directory
2999 # for binaries, but we want the header files in there, so add
3001 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3003 # Someone might think of using the pre-installed headers on
3004 # Canadian crosses, in case the installed compiler is not fully
3005 # compatible with the compiler being built. In this case, it
3006 # would be better to flag an error than risking having
3007 # incompatible object files being constructed. We can't
3008 # guarantee that an error will be flagged, but let's hope the
3009 # compiler will do it, when presented with incompatible header
3014 case "${target}-${is_cross_compiler}" in
3015 i[[3456789]]86-*-linux*-no)
3016 # Here host == target, so we don't need to build gcc,
3017 # so we don't want to discard standard headers.
3018 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3021 # If we're building newlib, use its generic headers last, but search
3022 # for any libc-related directories first (so make it the last -B
3024 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3026 # If we're building libgloss, find the startup file, simulator library
3027 # and linker script.
3028 case " $target_configdirs " in
3030 # Look for startup file, simulator library and maybe linker script.
3031 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3032 # Look for libnosys.a in case the target needs it.
3033 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3034 # Most targets have the linker script in the source directory.
3035 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3046 x86_64-*mingw* | *-w64-mingw*)
3047 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3048 # however, use a symlink named 'mingw' in ${prefix} .
3049 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3052 # MinGW can't be handled as Cygwin above since it does not use newlib.
3053 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3057 # Allow the user to override the flags for
3058 # our build compiler if desired.
3059 if test x"${build}" = x"${host}" ; then
3060 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3061 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3062 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3065 # On Canadian crosses, we'll be searching the right directories for
3066 # the previously-installed cross compiler, so don't bother to add
3067 # flags for directories within the install tree of the compiler
3068 # being built; programs in there won't even run.
3069 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3070 # Search for pre-installed headers if nothing else fits.
3071 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3074 if test "x${use_gnu_ld}" = x &&
3075 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3076 # Arrange for us to find uninstalled linker scripts.
3077 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3080 # Search for other target-specific linker scripts and such.
3083 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3087 # Makefile fragments.
3088 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3090 eval fragval=\$$frag
3091 if test $fragval != /dev/null; then
3092 eval $frag=${srcdir}/$fragval
3095 AC_SUBST_FILE(host_makefile_frag)
3096 AC_SUBST_FILE(target_makefile_frag)
3097 AC_SUBST_FILE(alphaieee_frag)
3098 AC_SUBST_FILE(ospace_frag)
3100 # Miscellanea: directories, flags, etc.
3101 AC_SUBST(RPATH_ENVVAR)
3102 AC_SUBST(GCC_SHLIB_SUBDIR)
3104 AC_SUBST(build_tooldir)
3105 AC_SUBST(CONFIGURE_GDB_TK)
3107 AC_SUBST(INSTALL_GDB_TK)
3109 # Build module lists & subconfigure args.
3110 AC_SUBST(build_configargs)
3111 AC_SUBST(build_configdirs)
3113 # Host module lists & subconfigure args.
3114 AC_SUBST(host_configargs)
3115 AC_SUBST(configdirs)
3116 AC_SUBST(target_configdirs)
3118 # Target module lists & subconfigure args.
3119 AC_SUBST(target_configargs)
3123 AC_SUBST(AR_FOR_BUILD)
3124 AC_SUBST(AS_FOR_BUILD)
3125 AC_SUBST(CC_FOR_BUILD)
3126 AC_SUBST(CFLAGS_FOR_BUILD)
3127 AC_SUBST(CXXFLAGS_FOR_BUILD)
3128 AC_SUBST(CXX_FOR_BUILD)
3129 AC_SUBST(DLLTOOL_FOR_BUILD)
3130 AC_SUBST(GCJ_FOR_BUILD)
3131 AC_SUBST(GFORTRAN_FOR_BUILD)
3132 AC_SUBST(GOC_FOR_BUILD)
3133 AC_SUBST(LDFLAGS_FOR_BUILD)
3134 AC_SUBST(LD_FOR_BUILD)
3135 AC_SUBST(NM_FOR_BUILD)
3136 AC_SUBST(RANLIB_FOR_BUILD)
3137 AC_SUBST(WINDMC_FOR_BUILD)
3138 AC_SUBST(WINDRES_FOR_BUILD)
3139 AC_SUBST(config_shell)
3141 # Generate default definitions for YACC, M4, LEX and other programs that run
3142 # on the build machine. These are used if the Makefile can't locate these
3143 # programs in objdir.
3144 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3146 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3147 case " $build_configdirs " in
3148 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3149 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3152 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3153 case " $build_configdirs " in
3154 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3157 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3158 case " $build_configdirs " in
3159 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3162 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3163 case " $build_configdirs " in
3164 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3165 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3168 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3169 case " $build_configdirs " in
3170 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3173 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3174 case " $build_configdirs " in
3175 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3178 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3179 # higher, else we use the "missing" dummy.
3180 if ${MAKEINFO} --version \
3181 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3184 MAKEINFO="$MISSING makeinfo"
3190 # FIXME: expect and dejagnu may become build tools?
3192 AC_CHECK_PROGS(EXPECT, expect, expect)
3193 case " $configdirs " in
3195 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3199 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3200 case " $configdirs " in
3202 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3208 NCN_STRICT_CHECK_TOOLS(AR, ar)
3209 NCN_STRICT_CHECK_TOOLS(AS, as)
3210 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3211 NCN_STRICT_CHECK_TOOLS(LD, ld)
3212 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3213 NCN_STRICT_CHECK_TOOLS(NM, nm)
3214 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3215 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3216 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3217 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3218 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3219 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3226 AC_ARG_WITH([build-time-tools],
3227 [ --with-build-time-tools=PATH
3228 use given path to find target tools during the build],
3229 [case x"$withval" in
3232 with_build_time_tools=
3233 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3236 [with_build_time_tools=])
3238 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3239 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3240 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3241 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3242 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3243 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3245 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3246 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3247 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3248 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3249 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3250 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3251 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3252 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3253 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3254 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3255 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3257 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3259 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3260 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3261 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3262 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3263 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3264 [gcc/g++ -B$$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],
3266 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3267 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3269 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3270 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3271 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3272 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3273 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3274 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3275 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3276 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3277 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3278 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3279 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3280 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3281 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3282 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3283 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3284 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3286 AC_SUBST(FLAGS_FOR_TARGET)
3287 AC_SUBST(RAW_CXX_FOR_TARGET)
3289 # Certain tools may need extra flags.
3290 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3291 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3292 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3294 # When building target libraries, except in a Canadian cross, we use
3295 # the same toolchain as the compiler we just built.
3296 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3297 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3298 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3299 if test $host = $build; then
3300 case " $configdirs " in
3302 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3303 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3304 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3309 AC_SUBST(COMPILER_AS_FOR_TARGET)
3310 AC_SUBST(COMPILER_LD_FOR_TARGET)
3311 AC_SUBST(COMPILER_NM_FOR_TARGET)
3313 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3314 AC_ARG_ENABLE(maintainer-mode,
3315 [ --enable-maintainer-mode enable make rules and dependencies not useful
3316 (and sometimes confusing) to the casual installer],
3317 USE_MAINTAINER_MODE=$enableval,
3318 USE_MAINTAINER_MODE=no)
3319 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3320 AC_SUBST(MAINTAINER_MODE_TRUE)
3321 AC_SUBST(MAINTAINER_MODE_FALSE)
3322 if test "$USE_MAINTAINER_MODE" = yes; then
3323 MAINTAINER_MODE_TRUE=
3324 MAINTAINER_MODE_FALSE='#'
3326 MAINTAINER_MODE_TRUE='#'
3327 MAINTAINER_MODE_FALSE=
3329 MAINT=$MAINTAINER_MODE_TRUE
3332 # ---------------------
3333 # GCC bootstrap support
3334 # ---------------------
3336 # Stage specific cflags for build.
3341 yes) stage1_cflags="-g -Wa,-J" ;;
3342 *) stage1_cflags="-g -J" ;;
3346 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3347 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3348 saved_CFLAGS="$CFLAGS"
3350 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3351 CFLAGS="$CFLAGS -fkeep-inline-functions"
3352 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3354 #if (__GNUC__ < 3) \
3355 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3356 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3357 #error http://gcc.gnu.org/PR29382
3360 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3361 [AC_MSG_RESULT([no])])
3363 CFLAGS="$saved_CFLAGS"
3366 AC_SUBST(stage1_cflags)
3368 # Enable --enable-checking in stage1 of the compiler.
3369 AC_ARG_ENABLE(stage1-checking,
3370 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3372 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3373 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3374 stage1_checking=--enable-checking=yes,types
3376 stage1_checking=--enable-checking=$enable_checking,types
3378 AC_SUBST(stage1_checking)
3380 # Enable -Werror in bootstrap stage2 and later.
3381 AC_ARG_ENABLE(werror,
3382 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3383 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3388 case ${enable_werror} in
3389 yes) stage2_werror_flag="--enable-werror-always" ;;
3390 *) stage2_werror_flag="" ;;
3392 AC_SUBST(stage2_werror_flag)
3394 # Specify what files to not compare during bootstrap.
3396 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3398 hppa*64*-*-hpux*) ;;
3399 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3401 case " $configdirs " in
3402 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3404 AC_SUBST(compare_exclusions)
3406 AC_CONFIG_FILES([Makefile],
3407 [sed "$extrasub_build" Makefile |
3408 sed "$extrasub_host" |
3409 sed "$extrasub_target" > mf$$
3410 mv -f mf$$ Makefile],
3411 [extrasub_build="$extrasub_build"
3412 extrasub_host="$extrasub_host"
3413 extrasub_target="$extrasub_target"])