1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
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 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 # This is a hack to get around the mis-configuring of libintl.a
112 # support in GNUPro 05r1. In theory this should not be necessary
113 # but test building native toolchains under Solaris and Cygwin
114 # before permanently removing it.
115 case "$ac_configure_args" in
116 *--with-included-gettext=* )
121 ac_configure_args="$ac_configure_args --with-included-gettext"
125 ### To add a new directory to the tree, first choose whether it is a target
126 ### or a host dependent tool. Then put it into the appropriate list
127 ### (library or tools, host or target), doing a dependency sort.
129 # Subdirs will be configured in the order listed in build_configdirs,
130 # configdirs, or target_configdirs; see the serialization section below.
132 # Dependency sorting is only needed when *configuration* must be done in
133 # a particular order. In all cases a dependency should be specified in
134 # the Makefile, whether or not it's implicitly specified here.
136 # Double entries in build_configdirs, configdirs, or target_configdirs may
137 # cause circular dependencies and break everything horribly.
139 # these library is used by various programs built for the build
142 build_libs="build-libiberty build-intl"
144 # these tools are built for the build environment
145 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
147 # these libraries are used by various programs built for the host environment
149 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
151 # these tools are built for the host environment
152 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
153 # know that we are building the simulator.
154 # binutils, gas and ld appear in that order because it makes sense to run
155 # "make check" in that particular order.
156 # If --enable-gold is used, "gold" may replace "ld".
157 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
159 # libgcj represents the runtime libraries only used by gcj.
160 libgcj="target-libffi \
164 # these libraries are built for the target environment, and are built after
165 # the host libraries and the host tools (which may be a cross compiler)
166 # Note that libiberty is not a target library.
167 target_libraries="target-libgcc \
172 target-libstdc++-v3 \
183 # these tools are built using the target libraries, and are intended to
184 # run only in the target environment
186 # note: any program that *uses* libraries that are in the "target_libraries"
187 # list belongs in this list.
189 target_tools="target-rda"
191 ################################################################################
193 ## All tools belong in one of the four categories, and are assigned above
194 ## We assign ${configdirs} this way to remove all embedded newlines. This
195 ## is important because configure will choke if they ever get through.
196 ## ${configdirs} is directories we build using the host tools.
197 ## ${target_configdirs} is directories we build using the target tools.
198 configdirs=`echo ${host_libs} ${host_tools}`
199 target_configdirs=`echo ${target_libraries} ${target_tools}`
200 build_configdirs=`echo ${build_libs} ${build_tools}`
202 m4_divert_text([PARSE_ARGS],
205 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
206 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
207 m4_popdef([AS_MESSAGE_LOG_FD])dnl
210 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
213 ################################################################################
215 srcname="gnu development package"
217 # This gets set non-empty for some net releases of packages.
220 # Define is_cross_compiler to save on calls to 'test'.
222 if test x"${host}" = x"${target}" ; then
225 is_cross_compiler=yes
228 # Find the build and target subdir names.
230 # Be sure to cover against remnants of an in-tree build.
231 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
232 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
233 Use a pristine source tree when building in a separate tree])
236 # Skipdirs are removed silently.
238 # Noconfigdirs are removed loudly.
242 # Make sure we don't let GNU ld be added if we didn't want it.
243 if test x$with_gnu_ld = xno ; then
245 noconfigdirs="$noconfigdirs ld gold"
249 # Make sure we don't let GNU as be added if we didn't want it.
250 if test x$with_gnu_as = xno ; then
252 noconfigdirs="$noconfigdirs gas"
256 # Make sure we don't let ZLIB be added if we didn't want it.
257 if test x$with_system_zlib = xyes ; then
259 noconfigdirs="$noconfigdirs zlib"
262 # some tools are so dependent upon X11 that if we're not building with X,
263 # it's not even worth trying to configure, much less build, that tool.
266 yes | "") ;; # the default value for this tree is that X11 is available
268 skipdirs="${skipdirs} tk itcl libgui"
269 # We won't be able to build gdbtk without X.
272 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
275 # Some are only suitable for cross toolchains.
276 # Remove these if host=target.
277 cross_only="target-libgloss target-newlib target-opcodes"
279 case $is_cross_compiler in
280 no) skipdirs="${skipdirs} ${cross_only}" ;;
283 # If both --with-headers and --with-libs are specified, default to
285 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
286 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
287 if test x"${with_newlib}" = x ; then
292 # Recognize --with-newlib/--without-newlib.
293 case ${with_newlib} in
294 no) skipdirs="${skipdirs} target-newlib" ;;
295 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
298 # Handle --enable-gold, --enable-ld.
299 # --disable-gold [--enable-ld]
300 # Build only ld. Default option.
301 # --enable-gold [--enable-ld]
302 # Build both gold and ld. Install gold as "ld.gold", install ld
303 # as "ld.bfd" and "ld".
304 # --enable-gold=default [--enable-ld]
305 # Build both gold and ld. Install gold as "ld.gold" and "ld",
306 # install ld as "ld.bfd".
307 # --enable-gold[=default] --disable-ld
308 # Build only gold, which is then installed as both "ld.gold" and "ld".
309 # --enable-gold --enable-ld=default
310 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
312 # In other words, ld is default
313 # --enable-gold=default --enable-ld=default
318 [AS_HELP_STRING([[--enable-gold[=ARG]]],
319 [build gold @<:@ARG={default,yes,no}@:>@])],
320 ENABLE_GOLD=$enableval,
322 case "${ENABLE_GOLD}" in
324 # Check for ELF target.
327 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
328 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
329 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
330 | *-*-solaris2* | *-*-nto*)
332 *-*-linux*aout* | *-*-linux*oldld*)
340 if test "$is_elf" = "yes"; then
341 # Check for target supported by gold.
343 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
344 configdirs="$configdirs gold"
345 if test x${ENABLE_GOLD} = xdefault; then
356 AC_MSG_ERROR([invalid --enable-gold argument])
361 [AS_HELP_STRING([[--enable-ld[=ARG]]],
362 [build ld @<:@ARG={default,yes,no}@:>@])],
363 ENABLE_LD=$enableval,
366 case "${ENABLE_LD}" in
368 if test x${default_ld} != x; then
369 AC_MSG_ERROR([either gold or ld can be the default ld])
375 if test x${ENABLE_GOLD} != xyes; then
376 AC_MSG_WARN([neither ld nor gold are enabled])
378 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
381 AC_MSG_ERROR([invalid --enable-ld argument])
385 # Configure extra directories which are host specific
389 configdirs="$configdirs libtermcap" ;;
392 # A target can indicate whether a language isn't supported for some reason.
393 # Only spaces may be used in this macro; not newlines or tabs.
394 unsupported_languages=
396 # Remove more programs from consideration, based on the host or
397 # target this usually means that a port of the program doesn't
401 i[[3456789]]86-*-msdosdjgpp*)
402 noconfigdirs="$noconfigdirs tcl tk itcl"
407 AC_ARG_ENABLE(libquadmath,
408 AS_HELP_STRING([--disable-libquadmath],
409 [do not build libquadmath directory]),
410 ENABLE_LIBQUADMATH=$enableval,
411 ENABLE_LIBQUADMATH=yes)
412 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
413 noconfigdirs="$noconfigdirs target-libquadmath"
417 AC_ARG_ENABLE(libquadmath-support,
418 AS_HELP_STRING([--disable-libquadmath-support],
419 [disable libquadmath support for Fortran]),
420 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
421 ENABLE_LIBQUADMATH_SUPPORT=yes)
422 enable_libquadmath_support=
423 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
424 enable_libquadmath_support=no
428 AC_ARG_ENABLE(libada,
429 [AS_HELP_STRING([--enable-libada], [build libada directory])],
430 ENABLE_LIBADA=$enableval,
432 if test "${ENABLE_LIBADA}" != "yes" ; then
433 noconfigdirs="$noconfigdirs gnattools"
436 AC_ARG_ENABLE(libssp,
437 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
438 ENABLE_LIBSSP=$enableval,
441 # Save it here so that, even in case of --enable-libgcj, if the Java
442 # front-end isn't enabled, we still get libgcj disabled.
444 case $enable_libgcj in
446 # If we reset it here, it won't get added to noconfigdirs in the
447 # target-specific build rules, so it will be forcibly enabled
448 # (unless the Java language itself isn't enabled).
452 # Make sure we get it printed in the list of not supported target libs.
453 # Don't disable libffi, though, other languages use it.
454 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
455 # Clear libgcj_saved so that even if java is enabled libffi won't be
461 AC_ARG_ENABLE(static-libjava,
462 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
463 [build static libjava @<:@default=no@:>@])],
464 ENABLE_STATIC_LIBJAVA=$enableval,
465 ENABLE_STATIC_LIBJAVA=no)
466 enable_static_libjava=
467 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
468 enable_static_libjava=yes
471 if test x$enable_static_libjava != xyes ; then
472 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
474 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
476 # Disable libmudflap on some systems.
477 if test x$enable_libmudflap = x ; then
479 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
480 # Enable libmudflap by default in GNU and friends.
483 # Enable libmudflap by default in FreeBSD.
486 # Disable it by default everywhere else.
487 noconfigdirs="$noconfigdirs target-libmudflap"
492 # Disable libgomp on non POSIX hosted systems.
493 if test x$enable_libgomp = x ; then
494 # Enable libgomp by default on hosted POSIX systems.
496 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
498 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
500 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
502 *-*-darwin* | *-*-aix*)
505 noconfigdirs="$noconfigdirs target-libgomp"
510 # Disable libitm on unsupported systems.
511 if test -d ${srcdir}/libitm; then
512 if test x$enable_libitm = x; then
513 AC_MSG_CHECKING([for libitm support])
514 if (srcdir=${srcdir}/libitm; \
515 . ${srcdir}/configure.tgt; \
516 test -n "$UNSUPPORTED")
519 noconfigdirs="$noconfigdirs target-libitm"
526 # Disable libssp for some systems.
529 # No hosted I/O support.
530 noconfigdirs="$noconfigdirs target-libssp"
532 powerpc-*-aix* | rs6000-*-aix*)
533 noconfigdirs="$noconfigdirs target-libssp"
536 # libssp uses a misaligned load to trigger a fault, but the RL78
537 # doesn't fault for those - instead, it gives a build-time error
538 # for explicit misaligned loads.
539 noconfigdirs="$noconfigdirs target-libssp"
542 noconfigdirs="$noconfigdirs target-libssp"
546 # Disable libstdc++-v3 for some systems.
549 # VxWorks uses the Dinkumware C++ library.
550 noconfigdirs="$noconfigdirs target-libstdc++-v3"
553 # the C++ libraries don't build on top of CE's C libraries
554 noconfigdirs="$noconfigdirs target-libstdc++-v3"
557 noconfigdirs="$noconfigdirs target-libstdc++-v3"
561 # Disable Fortran for some systems.
564 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
565 unsupported_languages="$unsupported_languages fortran"
569 # Disable Java if libffi is not supported.
591 mips-sgi-irix6.* | mips*-*-rtems*)
599 powerpc-*-aix* | rs6000-*-aix*)
603 powerpc64-*-freebsd*)
607 s390-*-* | s390x-*-*)
609 sh-*-* | sh[[34]]*-*-*)
618 unsupported_languages="$unsupported_languages java"
622 # Disable Java, libgcj or related libraries for some systems.
626 i[[3456789]]86-*-darwin*)
628 x86_64-*-darwin[[912]]*)
631 noconfigdirs="$noconfigdirs ${libgcj}"
634 noconfigdirs="$noconfigdirs ${libgcj}"
637 noconfigdirs="$noconfigdirs ${libgcj}"
640 noconfigdirs="$noconfigdirs ${libgcj}"
643 noconfigdirs="$noconfigdirs ${libgcj}"
646 noconfigdirs="$noconfigdirs ${libgcj}"
649 noconfigdirs="$noconfigdirs ${libgcj}"
652 noconfigdirs="$noconfigdirs ${libgcj}"
655 noconfigdirs="$noconfigdirs ${libgcj}"
658 noconfigdirs="$noconfigdirs target-boehm-gc"
660 cris-*-* | crisv32-*-*)
661 unsupported_languages="$unsupported_languages java"
665 *) # See PR46792 regarding target-libffi.
666 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
670 # In this case, it's because the hppa64-linux target is for
671 # the kernel only at this point and has no libc, and thus no
672 # headers, crt*.o, etc., all of which are needed by these.
673 unsupported_languages="$unsupported_languages java"
676 noconfigdirs="$noconfigdirs ${libgcj}"
681 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
682 # build on HP-UX 10.20.
683 noconfigdirs="$noconfigdirs ${libgcj}"
686 noconfigdirs="$noconfigdirs ${libgcj}"
688 i[[3456789]]86-w64-mingw*)
689 noconfigdirs="$noconfigdirs ${libgcj}"
691 i[[3456789]]86-*-mingw*)
692 noconfigdirs="$noconfigdirs ${libgcj}"
695 noconfigdirs="$noconfigdirs ${libgcj}"
698 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
701 # copied from rs6000-*-* entry
702 noconfigdirs="$noconfigdirs ${libgcj}"
705 noconfigdirs="$noconfigdirs ${libgcj}"
708 configdirs="$configdirs sid"
711 # Linking libjava exceeds command-line length limits on at least
712 # IRIX 6.2, but not on IRIX 6.5.
713 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
714 # <oldham@codesourcery.com>
715 noconfigdirs="$noconfigdirs ${libgcj}"
718 noconfigdirs="$noconfigdirs ${libgcj} target-libssp"
721 configdirs="$configdirs sid"
724 noconfigdirs="$noconfigdirs ${libgcj}"
728 # Default libgloss CPU subdirectory.
729 libgloss_dir="$target_cpu"
732 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
738 cris-*-* | crisv32-*-*)
747 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
764 # Disable newlib and libgloss for various target OSes.
767 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
769 i[[3456789]]86-*-linux*)
770 # This section makes it possible to build newlib natively on linux.
771 # If we are using a cross compiler then don't configure newlib.
772 if test x${is_cross_compiler} != xno ; then
773 noconfigdirs="$noconfigdirs target-newlib"
775 noconfigdirs="$noconfigdirs target-libgloss"
776 # If we are not using a cross compiler, do configure newlib.
777 # Note however, that newlib will only be configured in this situation
778 # if the --with-newlib option has been given, because otherwise
779 # 'target-newlib' will appear in skipdirs.
781 i[[3456789]]86-*-rdos*)
782 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
784 sh*-*-pe|mips*-*-pe|arm-wince-pe)
785 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
788 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
791 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
794 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
797 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
800 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
803 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
805 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
806 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
809 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
812 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
815 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
818 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
821 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
824 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
827 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
835 noconfigdirs="$noconfigdirs ld gas gdb gprof"
836 noconfigdirs="$noconfigdirs sim target-rda"
838 i[[3456789]]86-*-darwin*)
839 noconfigdirs="$noconfigdirs ld gprof"
840 noconfigdirs="$noconfigdirs sim target-rda"
842 x86_64-*-darwin[[912]]*)
843 noconfigdirs="$noconfigdirs ld gas gprof"
844 noconfigdirs="$noconfigdirs sim target-rda"
847 noconfigdirs="$noconfigdirs ld gas gdb gprof"
848 noconfigdirs="$noconfigdirs sim target-rda"
853 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
854 && test -f /usr/local/include/gmp.h; then
859 # Remove unsupported stuff on all kaOS configurations.
860 noconfigdirs="$noconfigdirs target-libgloss"
867 noconfigdirs="$noconfigdirs target-libgloss"
869 # The tpf target doesn't support gdb yet.
871 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
874 noconfigdirs="$noconfigdirs target-rda"
879 # ld works, but does not support shared libraries.
880 # gas doesn't generate exception information.
881 noconfigdirs="$noconfigdirs gas ld"
884 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
887 # newlib is not 64 bit ready
888 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
890 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
891 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
894 noconfigdirs="$noconfigdirs target-libgloss"
897 noconfigdirs="$noconfigdirs target-libgloss"
900 noconfigdirs="$noconfigdirs ld target-libgloss"
903 noconfigdirs="$noconfigdirs target-libgloss"
906 noconfigdirs="$noconfigdirs target-libgloss gdb"
909 noconfigdirs="$noconfigdirs gdb"
912 noconfigdirs="$noconfigdirs target-libgloss"
915 noconfigdirs="$noconfigdirs gdb"
918 noconfigdirs="$noconfigdirs gdb"
921 noconfigdirs="$noconfigdirs gprof"
924 noconfigdirs="$noconfigdirs target-libgloss"
927 noconfigdirs="$noconfigdirs target-libgloss"
929 hppa1.1-*-osf* | hppa1.1-*-bsd* )
941 noconfigdirs="$noconfigdirs ld"
946 noconfigdirs="$noconfigdirs ld"
949 noconfigdirs="$noconfigdirs gdb"
952 # No gdb support yet.
953 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
957 noconfigdirs="$noconfigdirs libgui itcl ld"
960 # No gdb or ld support yet.
961 noconfigdirs="$noconfigdirs readline libgui itcl gdb ld"
963 i[[3456789]]86-w64-mingw*)
965 i[[3456789]]86-*-mingw*)
966 target_configdirs="$target_configdirs target-winsup"
969 target_configdirs="$target_configdirs target-libtermcap target-winsup"
970 noconfigdirs="$noconfigdirs target-libgloss"
971 # always build newlib if winsup directory is present.
972 if test -d "$srcdir/winsup/cygwin"; then
973 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
974 elif test -d "$srcdir/newlib"; then
975 echo "Warning: winsup/cygwin is missing so newlib can't be built."
979 noconfigdirs="$noconfigdirs target-libgloss"
981 i[[3456789]]86-*-sco3.2v5*)
982 # The linker does not yet know about weak symbols in COFF,
983 # and is not configured to handle mixed ELF and COFF.
984 noconfigdirs="$noconfigdirs ld target-libgloss"
986 i[[3456789]]86-*-sco*)
987 noconfigdirs="$noconfigdirs gprof target-libgloss"
989 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
990 noconfigdirs="$noconfigdirs target-libgloss"
992 i[[3456789]]86-*-sysv4*)
993 noconfigdirs="$noconfigdirs target-libgloss"
995 i[[3456789]]86-*-beos*)
996 noconfigdirs="$noconfigdirs gdb"
998 i[[3456789]]86-*-rdos*)
999 noconfigdirs="$noconfigdirs gdb"
1002 noconfigdirs="$noconfigdirs gdb"
1005 noconfigdirs="$noconfigdirs sim"
1008 # copied from rs6000-*-* entry
1009 noconfigdirs="$noconfigdirs gprof"
1011 powerpc*-*-winnt* | powerpc*-*-pe*)
1012 target_configdirs="$target_configdirs target-winsup"
1013 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1014 # always build newlib.
1015 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1017 # This is temporary until we can link against shared libraries
1018 powerpcle-*-solaris*)
1019 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1022 noconfigdirs="$noconfigdirs gdb"
1025 noconfigdirs="$noconfigdirs gprof"
1028 noconfigdirs="$noconfigdirs gprof"
1031 noconfigdirs="$noconfigdirs gprof"
1034 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1037 noconfigdirs="$noconfigdirs gprof"
1040 if test x$with_newlib = xyes; then
1041 noconfigdirs="$noconfigdirs gprof"
1045 noconfigdirs="$noconfigdirs gprof target-libgloss"
1048 noconfigdirs="$noconfigdirs gprof target-libgloss"
1051 noconfigdirs="$noconfigdirs gprof target-libgloss"
1056 noconfigdirs="$noconfigdirs gprof"
1063 noconfigdirs="$noconfigdirs target-libgloss" ;;
1067 if test x${is_cross_compiler} = xno ; then
1072 noconfigdirs="$noconfigdirs sim"
1074 tilepro-*-* | tilegx-*-*)
1075 noconfigdirs="$noconfigdirs sim"
1078 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1081 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1085 # If we aren't building newlib, then don't build libgloss, since libgloss
1086 # depends upon some newlib header files.
1087 case "${noconfigdirs}" in
1088 *target-libgloss*) ;;
1089 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1092 # Work in distributions that contain no compiler tools, like Autoconf.
1093 host_makefile_frag=/dev/null
1094 if test -d ${srcdir}/config ; then
1096 i[[3456789]]86-*-msdosdjgpp*)
1097 host_makefile_frag="config/mh-djgpp"
1100 ACX_CHECK_CYGWIN_CAT_WORKS
1101 host_makefile_frag="config/mh-cygwin"
1104 host_makefile_frag="config/mh-mingw"
1107 host_makefile_frag="config/mh-interix"
1110 host_makefile_frag="config/mh-pa-hpux10"
1113 host_makefile_frag="config/mh-pa"
1116 host_makefile_frag="config/mh-pa"
1119 host_makefile_frag="config/mh-darwin"
1122 host_makefile_frag="config/mh-ppc-aix"
1125 host_makefile_frag="config/mh-ppc-aix"
1130 if test "${build}" != "${host}" ; then
1131 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1132 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1133 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1134 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1135 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1136 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1137 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1138 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1139 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1140 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1141 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1142 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1143 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1145 AR_FOR_BUILD="\$(AR)"
1146 AS_FOR_BUILD="\$(AS)"
1147 CC_FOR_BUILD="\$(CC)"
1148 CXX_FOR_BUILD="\$(CXX)"
1149 GCJ_FOR_BUILD="\$(GCJ)"
1150 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1151 GOC_FOR_BUILD="\$(GOC)"
1152 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1153 LD_FOR_BUILD="\$(LD)"
1154 NM_FOR_BUILD="\$(NM)"
1155 RANLIB_FOR_BUILD="\$(RANLIB)"
1156 WINDRES_FOR_BUILD="\$(WINDRES)"
1157 WINDMC_FOR_BUILD="\$(WINDMC)"
1163 # We must set the default linker to the linker used by gcc for the correct
1164 # operation of libtool. If LD is not defined and we are using gcc, try to
1165 # set the LD default to the ld used by gcc.
1166 if test -z "$LD"; then
1167 if test "$GCC" = yes; then
1170 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1172 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1174 case $gcc_prog_ld in
1175 # Accept absolute paths.
1176 [[\\/]* | [A-Za-z]:[\\/]*)]
1177 LD="$gcc_prog_ld" ;;
1183 ACX_PROG_CMP_IGNORE_INITIAL
1185 AC_ARG_ENABLE([bootstrap],
1186 [AS_HELP_STRING([--enable-bootstrap],
1187 [enable bootstrapping @<:@yes if native build@:>@])],,
1188 enable_bootstrap=default)
1190 # Issue errors and warnings for invalid/strange bootstrap combinations.
1191 if test -r $srcdir/gcc/configure; then
1197 case "$have_compiler:$host:$target:$enable_bootstrap" in
1200 # Default behavior. Enable bootstrap if we have a compiler
1201 # and we are in a native configuration.
1202 yes:$build:$build:default)
1203 enable_bootstrap=yes ;;
1206 enable_bootstrap=no ;;
1208 # We have a compiler and we are in a native configuration, bootstrap is ok
1209 yes:$build:$build:yes)
1212 # Other configurations, but we have a compiler. Assume the user knows
1215 AC_MSG_WARN([trying to bootstrap a cross compiler])
1218 # No compiler: if they passed --enable-bootstrap explicitly, fail
1220 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1222 # Fail if wrong command line
1224 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1228 # See if we are building gcc with C++.
1229 AC_ARG_ENABLE(build-with-cxx,
1230 [AS_HELP_STRING([--enable-build-with-cxx],
1231 [build with C++ compiler instead of C compiler])],
1232 ENABLE_BUILD_WITH_CXX=$enableval,
1233 ENABLE_BUILD_WITH_CXX=no)
1235 # Build stage1 with C and build stages 2 and 3 with C++.
1236 AC_ARG_ENABLE(build-poststage1-with-cxx,
1237 [AS_HELP_STRING([--enable-build-poststage1-with-cxx],
1238 [build stages 2 and 3 with C++, not C])],
1239 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval,
1240 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes)
1242 # Used for setting $lt_cv_objdir
1245 # Check for GMP, MPFR and MPC
1246 gmplibs="-lmpc -lmpfr -lgmp"
1250 # Specify a location for mpc
1251 # check for this first so it ends up on the link line before mpfr.
1253 [AS_HELP_STRING([--with-mpc=PATH],
1254 [specify prefix directory for installed MPC package.
1255 Equivalent to --with-mpc-include=PATH/include
1256 plus --with-mpc-lib=PATH/lib])])
1257 AC_ARG_WITH(mpc-include,
1258 [AS_HELP_STRING([--with-mpc-include=PATH],
1259 [specify directory for installed MPC include files])])
1260 AC_ARG_WITH(mpc-lib,
1261 [AS_HELP_STRING([--with-mpc-lib=PATH],
1262 [specify directory for the installed MPC library])])
1264 if test "x$with_mpc" != x; then
1265 gmplibs="-L$with_mpc/lib $gmplibs"
1266 gmpinc="-I$with_mpc/include $gmpinc"
1268 if test "x$with_mpc_include" != x; then
1269 gmpinc="-I$with_mpc_include $gmpinc"
1271 if test "x$with_mpc_lib" != x; then
1272 gmplibs="-L$with_mpc_lib $gmplibs"
1274 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1275 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1276 gmpinc='-I$$s/mpc/src '"$gmpinc"
1277 # Do not test the mpc version. Assume that it is sufficient, since
1278 # it is in the source tree, and the library has not been built yet
1279 # but it would be included on the link line in the version check below
1280 # hence making the test fail.
1284 # Specify a location for mpfr
1285 # check for this first so it ends up on the link line before gmp.
1286 AC_ARG_WITH(mpfr-dir,
1287 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1288 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1289 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1292 [AS_HELP_STRING([--with-mpfr=PATH],
1293 [specify prefix directory for installed MPFR package.
1294 Equivalent to --with-mpfr-include=PATH/include
1295 plus --with-mpfr-lib=PATH/lib])])
1296 AC_ARG_WITH(mpfr-include,
1297 [AS_HELP_STRING([--with-mpfr-include=PATH],
1298 [specify directory for installed MPFR include files])])
1299 AC_ARG_WITH(mpfr-lib,
1300 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1301 [specify directory for the installed MPFR library])])
1303 if test "x$with_mpfr" != x; then
1304 gmplibs="-L$with_mpfr/lib $gmplibs"
1305 gmpinc="-I$with_mpfr/include $gmpinc"
1307 if test "x$with_mpfr_include" != x; then
1308 gmpinc="-I$with_mpfr_include $gmpinc"
1310 if test "x$with_mpfr_lib" != x; then
1311 gmplibs="-L$with_mpfr_lib $gmplibs"
1313 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1314 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1315 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1316 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1317 # Do not test the mpfr version. Assume that it is sufficient, since
1318 # it is in the source tree, and the library has not been built yet
1319 # but it would be included on the link line in the version check below
1320 # hence making the test fail.
1324 # Specify a location for gmp
1325 AC_ARG_WITH(gmp-dir,
1326 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1327 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1328 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1331 [AS_HELP_STRING([--with-gmp=PATH],
1332 [specify prefix directory for the installed GMP package.
1333 Equivalent to --with-gmp-include=PATH/include
1334 plus --with-gmp-lib=PATH/lib])])
1335 AC_ARG_WITH(gmp-include,
1336 [AS_HELP_STRING([--with-gmp-include=PATH],
1337 [specify directory for installed GMP include files])])
1338 AC_ARG_WITH(gmp-lib,
1339 [AS_HELP_STRING([--with-gmp-lib=PATH],
1340 [specify directory for the installed GMP library])])
1343 if test "x$with_gmp" != x; then
1344 gmplibs="-L$with_gmp/lib $gmplibs"
1345 gmpinc="-I$with_gmp/include $gmpinc"
1347 if test "x$with_gmp_include" != x; then
1348 gmpinc="-I$with_gmp_include $gmpinc"
1350 if test "x$with_gmp_lib" != x; then
1351 gmplibs="-L$with_gmp_lib $gmplibs"
1353 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1354 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1355 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1356 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1357 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1358 # Do not test the gmp version. Assume that it is sufficient, since
1359 # it is in the source tree, and the library has not been built yet
1360 # but it would be included on the link line in the version check below
1361 # hence making the test fail.
1365 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1367 saved_CFLAGS="$CFLAGS"
1368 CFLAGS="$CFLAGS $gmpinc"
1369 # Check for the recommended and required versions of GMP.
1370 AC_MSG_CHECKING([for the correct version of gmp.h])
1371 AC_TRY_COMPILE([#include "gmp.h"],[
1372 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1373 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1374 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1377 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1378 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1379 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1380 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1383 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1384 [AC_MSG_RESULT([no]); have_gmp=no])
1386 # If we have GMP, check the MPFR version.
1387 if test x"$have_gmp" = xyes; then
1388 # Check for the recommended and required versions of MPFR.
1389 AC_MSG_CHECKING([for the correct version of mpfr.h])
1390 AC_TRY_COMPILE([#include <gmp.h>
1391 #include <mpfr.h>],[
1392 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1395 ], [AC_TRY_COMPILE([#include <gmp.h>
1396 #include <mpfr.h>],[
1397 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1400 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1401 [AC_MSG_RESULT([no]); have_gmp=no])
1404 # Check for the MPC header version.
1405 if test x"$have_gmp" = xyes ; then
1406 # Check for the recommended and required versions of MPC.
1407 AC_MSG_CHECKING([for the correct version of mpc.h])
1408 AC_TRY_COMPILE([#include <mpc.h>],[
1409 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1412 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1413 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1416 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1417 [AC_MSG_RESULT([no]); have_gmp=no])
1420 # Now check the MPFR library.
1421 if test x"$have_gmp" = xyes; then
1423 LIBS="$LIBS $gmplibs"
1424 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1425 AC_TRY_LINK([#include <mpc.h>],[
1432 mpfr_atan2 (n, n, x, GMP_RNDN);
1433 mpfr_erfc (n, x, GMP_RNDN);
1434 mpfr_subnormalize (x, t, GMP_RNDN);
1438 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1439 mpc_cosh (c, c, MPC_RNDNN);
1440 mpc_pow (c, c, c, MPC_RNDNN);
1441 mpc_acosh (c, c, MPC_RNDNN);
1443 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1447 CFLAGS="$saved_CFLAGS"
1449 # The library versions listed in the error message below should match
1450 # the HARD-minimums enforced above.
1451 if test x$have_gmp != xyes; then
1452 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1453 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1454 their locations. Source code for these libraries can be found at
1455 their respective hosting sites as well as at
1456 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1457 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1458 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1459 make sure that you have installed both the libraries and the header
1460 files. They may be located in separate packages.])
1464 # Flags needed for both GMP, MPFR and/or MPC.
1467 AC_SUBST(extra_mpfr_configure_flags)
1468 AC_SUBST(extra_mpc_gmp_configure_flags)
1469 AC_SUBST(extra_mpc_mpfr_configure_flags)
1471 # Allow host libstdc++ to be specified for static linking with PPL.
1472 AC_ARG_WITH(host-libstdcxx,
1473 [AS_HELP_STRING([--with-host-libstdcxx=L],
1474 [use linker arguments L to link with libstdc++
1475 when linking with PPL])])
1477 case $with_host_libstdcxx in
1479 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1483 # Linker flags to use for stage1 or when not boostrapping.
1484 AC_ARG_WITH(stage1-ldflags,
1485 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1486 [if test "$withval" = "no" -o "$withval" = "yes"; then
1489 stage1_ldflags=$withval
1492 AC_SUBST(stage1_ldflags)
1494 # Libraries to use for stage1 or when not bootstrapping.
1495 AC_ARG_WITH(stage1-libs,
1496 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1497 [if test "$withval" = "no" -o "$withval" = "yes"; then
1500 stage1_libs=$withval
1502 [stage1_libs=$with_host_libstdcxx])
1503 AC_SUBST(stage1_libs)
1505 # Libraries to use for stage2 and later builds. This defaults to the
1506 # argument passed to --with-host-libstdcxx.
1507 AC_ARG_WITH(boot-libs,
1508 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1509 [if test "$withval" = "no" -o "$withval" = "yes"; then
1512 poststage1_libs=$withval
1514 [poststage1_libs=$with_host_libstdcxx])
1515 AC_SUBST(poststage1_libs)
1517 # Linker flags to use for stage2 and later builds.
1518 AC_ARG_WITH(boot-ldflags,
1519 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1520 [linker flags for stage2 and later])],
1521 [if test "$withval" = "no" -o "$withval" = "yes"; then
1524 poststage1_ldflags=$withval
1526 [poststage1_ldflags=
1527 # In stages 2 and 3, default to linking libstdc++ and libgcc
1528 # statically. But if the user explicitly specified the libraries to
1529 # use, trust that they are doing what they want.
1530 if test "$poststage1_libs" = ""; then
1531 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1533 AC_SUBST(poststage1_ldflags)
1541 [AS_HELP_STRING([--with-ppl=PATH],
1542 [specify prefix directory for the installed PPL package.
1543 Equivalent to --with-ppl-include=PATH/include
1544 plus --with-ppl-lib=PATH/lib])])
1545 AC_ARG_WITH(ppl-include,
1546 [AS_HELP_STRING([--with-ppl-include=PATH],
1547 [specify directory for installed PPL include files])])
1548 AC_ARG_WITH(ppl-lib,
1549 [AS_HELP_STRING([--with-ppl-lib=PATH],
1550 [specify directory for the installed PPL library])])
1552 AC_ARG_ENABLE(ppl-version-check,
1553 [AS_HELP_STRING([--disable-ppl-version-check],
1554 [disable check for PPL version])])
1560 ppllibs="-L$with_ppl/lib"
1561 pplinc="-I$with_ppl/include $pplinc"
1562 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1565 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1570 if test x"$with_ppl_include" != x; then
1571 pplinc="-I$with_ppl_include $pplinc"
1575 if test "x$with_ppl_lib" != x; then
1576 ppllibs="-L$with_ppl_lib"
1580 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1581 if test x"$enable_watchdog" = xyes; then
1584 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1585 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1586 enable_ppl_version_check=no
1590 if test "x$with_ppl" != xno; then
1591 if test "x$pwllib" = x; then
1593 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1594 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1598 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1600 if test "$enable_ppl_version_check" != no; then
1601 saved_CFLAGS="$CFLAGS"
1602 CFLAGS="$CFLAGS $pplinc $gmpinc"
1603 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1604 AC_TRY_COMPILE([#include "ppl_c.h"],[
1605 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1608 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1609 CFLAGS="$saved_CFLAGS"
1613 # Flags needed for PPL
1620 dnl Provide configure switches and initialize clooginc & clooglibs
1621 dnl with user input.
1623 if test "x$with_ppl" = "xno"; then
1624 dnl Only execute fail-action, if CLooG has been requested.
1625 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1626 if test "${graphite_requested}" = yes; then
1627 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1631 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1632 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1633 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1634 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1636 if test "x$with_cloog" != "xno"; then
1637 dnl The minimal version of CLooG required for Graphite.
1639 dnl If we use CLooG-Legacy, the provided version information is
1641 CLOOG_CHECK_VERSION(0,16,1)
1643 dnl Only execute fail-action, if CLooG has been requested.
1645 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1648 # Check for LTO support.
1650 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1651 enable_lto=$enableval,
1652 enable_lto=yes; default_enable_lto=yes)
1654 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1655 build_lto_plugin=yes
1656 ],[if test x"$default_enable_lto" = x"yes" ; then
1658 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1659 # On other non-ELF platforms, LTO has yet to be validated.
1663 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1664 # It would also be nice to check the binutils support, but we don't
1665 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1666 # warn during gcc/ subconfigure; unless you're bootstrapping with
1667 # -flto it won't be needed until after installation anyway.
1669 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1670 *) if test x"$enable_lto" = x"yes"; then
1671 AC_MSG_ERROR([LTO support is not enabled for this target.])
1676 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1677 # Build it unless LTO was explicitly disabled.
1679 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1685 # By default, C is the only stage 1 language.
1686 stage1_languages=,c,
1688 # Target libraries that we bootstrap.
1689 bootstrap_target_libs=,target-libgcc,
1691 # Figure out what language subdirectories are present.
1692 # Look if the user specified --enable-languages="..."; if not, use
1693 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1695 # NB: embedded tabs in this IF block -- do not untabify
1696 if test -d ${srcdir}/gcc; then
1697 if test x"${enable_languages+set}" != xset; then
1698 if test x"${LANGUAGES+set}" = xset; then
1699 enable_languages="${LANGUAGES}"
1700 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1702 enable_languages=all
1705 if test x"${enable_languages}" = x ||
1706 test x"${enable_languages}" = xyes;
1708 echo configure.in: --enable-languages needs at least one language argument 1>&2
1712 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1714 # 'f95' is the old name for the 'fortran' language. We issue a warning
1715 # and make the substitution.
1716 case ,${enable_languages}, in
1718 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1719 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1723 # If bootstrapping, then using --enable-build-with-cxx or
1724 # --enable-build-poststage1-with-cxx requires enabling C++.
1725 case ",$enable_languages,:,$ENABLE_BUILD_WITH_CXX,$ENABLE_BUILD_POSTSTAGE1_WITH_CXX,:$enable_bootstrap" in
1728 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1729 enable_languages="${enable_languages},c++"
1731 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx or --enable-build-poststage1-with-cxx requires c++ sources])
1736 # First scan to see if an enabled language requires some other language.
1737 # We assume that a given config-lang.in will list all the language
1738 # front ends it requires, even if some are required indirectly.
1739 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1740 case ${lang_frag} in
1742 # The odd quoting in the next line works around
1743 # an apparent bug in bash 1.12 on linux.
1744 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1746 # From the config-lang.in, get $language, $lang_requires, and
1747 # $lang_requires_boot_languages.
1750 lang_requires_boot_languages=
1752 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1753 case ,${enable_languages}, in
1757 echo " \`$other' language required by \`$language'; enabling" 1>&2
1758 enable_languages="${enable_languages},${other}"
1762 for other in ${lang_requires_boot_languages} ; do
1763 if test "$other" != "c"; then
1764 case ,${enable_stage1_languages}, in
1768 case ,${enable_languages}, in
1770 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1771 enable_stage1_languages="$enable_stage1_languages,${other}"
1782 new_enable_languages=,c,
1784 # If LTO is enabled, add the LTO front end.
1785 extra_host_libiberty_configure_flags=
1786 if test "$enable_lto" = "yes" ; then
1787 case ,${enable_languages}, in
1789 *) enable_languages="${enable_languages},lto" ;;
1791 if test "${build_lto_plugin}" = "yes" ; then
1792 configdirs="$configdirs lto-plugin"
1793 extra_host_libiberty_configure_flags=--enable-shared
1796 AC_SUBST(extra_host_libiberty_configure_flags)
1798 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1799 potential_languages=,c,
1801 enabled_target_libs=
1802 disabled_target_libs=
1804 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1805 case ${lang_frag} in
1807 # The odd quoting in the next line works around
1808 # an apparent bug in bash 1.12 on linux.
1809 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1811 # From the config-lang.in, get $language, $target_libs,
1812 # $lang_dirs, $boot_language, and $build_by_default
1818 build_by_default=yes
1820 if test x${language} = x; then
1821 echo "${lang_frag} doesn't set \$language." 1>&2
1825 if test "$language" = "c++"; then
1826 if test "$ENABLE_BUILD_WITH_CXX" = "yes" \
1827 || test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
1832 case ,${enable_languages}, in
1834 # Language was explicitly selected; include it.
1838 # 'all' was selected, select it if it is a default language
1839 add_this_lang=${build_by_default}
1846 # Disable languages that need other directories if these aren't available.
1847 for i in $subdir_requires; do
1848 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1849 case ,${enable_languages}, in
1851 # Specifically requested language; tell them.
1852 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1856 add_this_lang=unsupported
1861 # Disable Ada if no preexisting GNAT is available.
1862 case ,${enable_languages},:${language}:${have_gnat} in
1863 *,${language},*:ada:no)
1864 # Specifically requested language; tell them.
1865 AC_MSG_ERROR([GNAT is required to build $language])
1869 add_this_lang=unsupported
1873 # Disable a language that is unsupported by the target.
1874 case " $unsupported_languages " in
1876 add_this_lang=unsupported
1880 case $add_this_lang in
1882 # Remove language-dependent dirs.
1883 disabled_target_libs="$disabled_target_libs $target_libs"
1884 noconfigdirs="$noconfigdirs $lang_dirs"
1887 # Remove language-dependent dirs; still show language as supported.
1888 disabled_target_libs="$disabled_target_libs $target_libs"
1889 noconfigdirs="$noconfigdirs $lang_dirs"
1890 potential_languages="${potential_languages}${language},"
1893 new_enable_languages="${new_enable_languages}${language},"
1894 potential_languages="${potential_languages}${language},"
1895 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1896 enabled_target_libs="$enabled_target_libs $target_libs"
1897 case "${boot_language}:,$enable_stage1_languages," in
1898 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1899 # Add to (comma-separated) list of stage 1 languages.
1900 case ",$stage1_languages," in
1901 *,$language,* | ,yes, | ,all,) ;;
1902 *) stage1_languages="${stage1_languages}${language}," ;;
1904 # We need to bootstrap any supporting libraries.
1905 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1914 # Add target libraries which are only needed for disabled languages
1916 if test -n "$disabled_target_libs"; then
1917 for dir in $disabled_target_libs; do
1918 case " $enabled_target_libs " in
1920 *) noconfigdirs="$noconfigdirs $dir" ;;
1925 AC_ARG_ENABLE(stage1-languages,
1926 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1927 [choose additional languages to build during
1928 stage1. Mostly useful for compiler development])],
1929 [case ,${enable_stage1_languages}, in
1931 # Set it to something that will have no effect in the loop below
1932 enable_stage1_languages=c ;;
1934 enable_stage1_languages=`echo $new_enable_languages | \
1935 sed -e "s/^,//" -e "s/,$//" ` ;;
1937 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1938 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1941 # Add "good" languages from enable_stage1_languages to stage1_languages,
1942 # while "bad" languages go in missing_languages. Leave no duplicates.
1943 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1944 case $potential_languages in
1946 case $stage1_languages in
1948 *) stage1_languages="$stage1_languages$i," ;;
1951 case $missing_languages in
1953 *) missing_languages="$missing_languages$i," ;;
1958 # Remove leading/trailing commas that were added for simplicity
1959 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1960 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1961 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1962 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1964 if test "x$missing_languages" != x; then
1966 The following requested languages could not be built: ${missing_languages}
1967 Supported languages are: ${potential_languages}])
1969 if test "x$new_enable_languages" != "x$enable_languages"; then
1970 echo The following languages will be built: ${new_enable_languages}
1971 enable_languages="$new_enable_languages"
1974 AC_SUBST(stage1_languages)
1975 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1978 # Handle --disable-<component> generically.
1979 for dir in $configdirs $build_configdirs $target_configdirs ; do
1980 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1981 varname=`echo $dirname | sed -e s/+/_/g`
1982 if eval test x\${enable_${varname}} "=" xno ; then
1983 noconfigdirs="$noconfigdirs $dir"
1987 # Check for Boehm's garbage collector
1988 AC_ARG_ENABLE(objc-gc,
1989 [AS_HELP_STRING([--enable-objc-gc],
1990 [enable use of Boehm's garbage collector with the
1991 GNU Objective-C runtime])],
1992 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1993 *,objc,*:*:yes:*target-boehm-gc*)
1994 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1998 # Make sure we only build Boehm's garbage collector if required.
1999 case ,${enable_languages},:${enable_objc_gc} in
2001 # Keep target-boehm-gc if requested for Objective-C.
2004 # Otherwise remove target-boehm-gc depending on target-libjava.
2005 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2006 noconfigdirs="$noconfigdirs target-boehm-gc"
2011 # Disable libitm if we're not building C++
2012 case ,${enable_languages}, in
2015 noconfigdirs="$noconfigdirs target-libitm"
2019 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2020 # $build_configdirs and $target_configdirs.
2021 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2024 for dir in . $skipdirs $noconfigdirs ; do
2025 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2026 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2027 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2028 if test -r $srcdir/$dirname/configure ; then
2029 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2032 notsupp="$notsupp $dir"
2036 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2037 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2038 if test -r $srcdir/$dirname/configure ; then
2039 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2042 notsupp="$notsupp $dir"
2046 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2047 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2048 if test -r $srcdir/$dirname/configure ; then
2049 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2052 notsupp="$notsupp $dir"
2058 # Quietly strip out all directories which aren't configurable in this tree.
2059 # This relies on all configurable subdirectories being autoconfiscated, which
2061 build_configdirs_all="$build_configdirs"
2063 for i in ${build_configdirs_all} ; do
2064 j=`echo $i | sed -e s/build-//g`
2065 if test -f ${srcdir}/$j/configure ; then
2066 build_configdirs="${build_configdirs} $i"
2070 configdirs_all="$configdirs"
2072 for i in ${configdirs_all} ; do
2073 if test -f ${srcdir}/$i/configure ; then
2074 configdirs="${configdirs} $i"
2078 target_configdirs_all="$target_configdirs"
2080 for i in ${target_configdirs_all} ; do
2081 j=`echo $i | sed -e s/target-//g`
2082 if test -f ${srcdir}/$j/configure ; then
2083 target_configdirs="${target_configdirs} $i"
2087 # Produce a warning message for the subdirs we can't configure.
2088 # This isn't especially interesting in the Cygnus tree, but in the individual
2089 # FSF releases, it's important to let people know when their machine isn't
2090 # supported by the one or two programs in a package.
2092 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2093 # If $appdirs is non-empty, at least one of those directories must still
2094 # be configured, or we error out. (E.g., if the gas release supports a
2095 # specified target in some subdirs but not the gas subdir, we shouldn't
2096 # pretend that all is well.)
2097 if test -n "$appdirs" ; then
2098 for dir in $appdirs ; do
2099 if test -r $dir/Makefile.in ; then
2100 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2104 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2110 if test -n "$appdirs" ; then
2111 echo "*** This configuration is not supported by this package." 1>&2
2115 # Okay, some application will build, or we don't care to check. Still
2116 # notify of subdirs not getting built.
2117 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2118 echo " ${notsupp}" 1>&2
2119 echo " (Any other directories should still work fine.)" 1>&2
2127 # To find our prefix, in gcc_cv_tool_prefix.
2132 AC_ARG_WITH([build-sysroot],
2133 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2134 [use sysroot as the system root during the build])],
2135 [if test x"$withval" != x ; then
2136 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2138 [SYSROOT_CFLAGS_FOR_TARGET=])
2139 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2141 AC_ARG_WITH([debug-prefix-map],
2142 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2143 [map A to B, C to D ... in debug information])],
2144 [if test x"$withval" != x; then
2145 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2146 for debug_map in $withval; do
2147 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2150 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2151 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2153 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2154 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2155 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2156 # We want to ensure that TARGET libraries (which we know are built with
2157 # gcc) are built with "-O2 -g", so include those options when setting
2158 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2159 if test "x$CFLAGS_FOR_TARGET" = x; then
2160 CFLAGS_FOR_TARGET=$CFLAGS
2163 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2166 *" -g "* | *" -g3 "*) ;;
2167 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2170 AC_SUBST(CFLAGS_FOR_TARGET)
2172 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2173 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2174 case " $CXXFLAGS " in
2176 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2178 case " $CXXFLAGS " in
2179 *" -g "* | *" -g3 "*) ;;
2180 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2183 AC_SUBST(CXXFLAGS_FOR_TARGET)
2185 AC_SUBST(LDFLAGS_FOR_TARGET)
2187 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2188 # the named directory are copied to $(tooldir)/sys-include.
2189 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2190 if test x${is_cross_compiler} = xno ; then
2191 echo 1>&2 '***' --with-headers is only supported when cross compiling
2194 if test x"${with_headers}" != xyes ; then
2195 x=${gcc_cv_tool_prefix}
2196 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2200 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2201 # the name directories are copied to $(tooldir)/lib. Multiple directories
2203 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2204 if test x${is_cross_compiler} = xno ; then
2205 echo 1>&2 '***' --with-libs is only supported when cross compiling
2208 if test x"${with_libs}" != xyes ; then
2209 # Copy the libraries in reverse order, so that files in the first named
2210 # library override files in subsequent libraries.
2211 x=${gcc_cv_tool_prefix}
2212 for l in ${with_libs}; do
2213 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2218 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2220 # This is done by determining whether or not the appropriate directory
2221 # is available, and by checking whether or not specific configurations
2222 # have requested that this magic not happen.
2224 # The command line options always override the explicit settings in
2225 # configure.in, and the settings in configure.in override this magic.
2227 # If the default for a toolchain is to use GNU as and ld, and you don't
2228 # want to do that, then you should use the --without-gnu-as and
2229 # --without-gnu-ld options for the configure script. Similarly, if
2230 # the default is to use the included zlib and you don't want to do that,
2231 # you should use the --with-system-zlib option for the configure script.
2233 if test x${use_gnu_as} = x &&
2234 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2236 extra_host_args="$extra_host_args --with-gnu-as"
2239 if test x${use_gnu_ld} = x &&
2240 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2242 extra_host_args="$extra_host_args --with-gnu-ld"
2245 if test x${use_included_zlib} = x &&
2246 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2249 with_system_zlib=yes
2250 extra_host_args="$extra_host_args --with-system-zlib"
2253 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2254 # can detect this case.
2256 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2258 extra_host_args="$extra_host_args --with-newlib"
2261 # Handle ${copy_dirs}
2262 set fnord ${copy_dirs}
2264 while test $# != 0 ; do
2265 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2268 echo Copying $1 to $2
2270 # Use the install script to create the directory and all required
2271 # parent directories.
2272 if test -d $2 ; then
2276 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2279 # Copy the directory, assuming we have tar.
2280 # FIXME: Should we use B in the second tar? Not all systems support it.
2281 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2283 # It is the responsibility of the user to correctly adjust all
2284 # symlinks. If somebody can figure out how to handle them correctly
2285 # here, feel free to add the code.
2292 # Determine a target-dependent exec_prefix that the installed
2293 # gcc will search in. Keep this list sorted by triplet, with
2294 # the *-*-osname triplets last.
2297 i[[34567]]86-pc-msdosdjgpp*)
2298 md_exec_prefix=/dev/env/DJDIR/bin
2303 md_exec_prefix=/usr/ccs/bin
2307 extra_arflags_for_target=
2308 extra_nmflags_for_target=
2309 extra_ranlibflags_for_target=
2310 target_makefile_frag=/dev/null
2313 target_makefile_frag="config/mt-spu"
2316 target_makefile_frag="config/mt-sde"
2318 mipsisa*-*-elfoabi*)
2319 target_makefile_frag="config/mt-mips-elfoabi"
2321 mips*-*-*linux* | mips*-*-gnu*)
2322 target_makefile_frag="config/mt-mips-gnu"
2324 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2325 target_makefile_frag="config/mt-gnu"
2327 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2328 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2329 # commands to handle both 32-bit and 64-bit objects. These flags are
2330 # harmless if we're using GNU nm or ar.
2331 extra_arflags_for_target=" -X32_64"
2332 extra_nmflags_for_target=" -B -X32_64"
2335 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2336 extra_ranlibflags_for_target=" -c"
2340 alphaieee_frag=/dev/null
2343 # This just makes sure to use the -mieee option to build target libs.
2344 # This should probably be set individually by each library.
2345 alphaieee_frag="config/mt-alphaieee"
2349 # If --enable-target-optspace always use -Os instead of -O2 to build
2350 # the target libraries, similarly if it is not specified, use -Os
2351 # on selected platforms.
2352 ospace_frag=/dev/null
2353 case "${enable_target_optspace}:${target}" in
2355 ospace_frag="config/mt-ospace"
2358 ospace_frag="config/mt-d30v"
2360 :m32r-* | :d10v-* | :fr30-*)
2361 ospace_frag="config/mt-ospace"
2366 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2370 # Default to using --with-stabs for certain targets.
2371 if test x${with_stabs} = x ; then
2373 mips*-*-irix[[56]]*)
2375 mips*-*-* | alpha*-*-osf*)
2377 extra_host_args="${extra_host_args} --with-stabs"
2382 # Some systems (e.g., one of the i386-aix systems the gas testers are
2383 # using) don't handle "\$" correctly, so don't use it here.
2384 tooldir='${exec_prefix}'/${target_noncanonical}
2385 build_tooldir=${tooldir}
2387 # Create a .gdbinit file which runs the one in srcdir
2388 # and tells GDB to look there for source files.
2390 if test -r ${srcdir}/.gdbinit ; then
2393 *) cat > ./.gdbinit <<EOF
2397 source ${srcdir}/.gdbinit
2403 # Make sure that the compiler is able to generate an executable. If it
2404 # can't, we are probably in trouble. We don't care whether we can run the
2405 # executable--we might be using a cross compiler--we only care whether it
2406 # can be created. At this point the main configure script has set CC.
2408 echo "int main () { return 0; }" > conftest.c
2409 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2410 if test $? = 0 ; then
2411 if test -s conftest || test -s conftest.exe ; then
2417 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2418 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2425 # Decide which environment variable is used to find dynamic libraries.
2427 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2428 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2429 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2430 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2433 # On systems where the dynamic library environment variable is PATH,
2434 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2435 # built executables to PATH.
2436 if test "$RPATH_ENVVAR" = PATH; then
2437 GCC_SHLIB_SUBDIR=/shlib
2442 # Record target_configdirs and the configure arguments for target and
2443 # build configuration in Makefile.
2444 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2445 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2447 # If we are building libgomp, bootstrap it.
2448 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2449 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2452 # Determine whether gdb needs tk/tcl or not.
2453 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2454 # and in that case we want gdb to be built without tk. Ugh!
2455 # In fact I believe gdb is the *only* package directly dependent on tk,
2456 # so we should be able to put the 'maybe's in unconditionally and
2457 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2458 # 100% sure that that's safe though.
2460 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2461 case "$enable_gdbtk" in
2465 GDB_TK="${gdb_tk}" ;;
2467 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2468 # distro. Eventually someone will fix this and move Insight, nee
2469 # gdbtk to a separate directory.
2470 if test -d ${srcdir}/gdb/gdbtk ; then
2477 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2478 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2480 # Strip out unwanted targets.
2482 # While at that, we remove Makefiles if we were started for recursive
2483 # configuration, so that the top-level Makefile reconfigures them,
2484 # like we used to do when configure itself was recursive.
2486 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2487 # but now we're fixing up the Makefile ourselves with the additional
2488 # commands passed to AC_CONFIG_FILES. Use separate variables
2489 # extrasub-{build,host,target} not because there is any reason to split
2490 # the substitutions up that way, but only to remain below the limit of
2491 # 99 commands in a script, for HP-UX sed.
2492 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2494 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2495 yes:both:*\ gold\ *:*,c++,* | \
2496 yes:yes:*\ gold\ *:*,c++,*) ;;
2497 yes:both:*\ gold\ *:* | \
2498 yes:yes:*\ gold\ *:*)
2499 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2503 # Adjust the toplevel makefile according to whether bootstrap was selected.
2504 case $enable_bootstrap in
2506 bootstrap_suffix=bootstrap
2507 BUILD_CONFIG=bootstrap-debug
2510 bootstrap_suffix=no-bootstrap
2515 AC_MSG_CHECKING(for default BUILD_CONFIG)
2517 AC_ARG_WITH([build-config],
2518 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2519 [use config/NAME.mk build configuration])],
2520 [case $with_build_config in
2521 yes) with_build_config= ;;
2522 no) with_build_config= BUILD_CONFIG= ;;
2525 if test "x${with_build_config}" != x; then
2526 BUILD_CONFIG=$with_build_config
2528 case $BUILD_CONFIG in
2530 if echo "int f (void) { return 0; }" > conftest.c &&
2531 ${CC} -c conftest.c &&
2532 mv conftest.o conftest.o.g0 &&
2533 ${CC} -c -g conftest.c &&
2534 mv conftest.o conftest.o.g &&
2535 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2540 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2544 AC_MSG_RESULT($BUILD_CONFIG)
2545 AC_SUBST(BUILD_CONFIG)
2548 for module in ${build_configdirs} ; do
2549 if test -z "${no_recursion}" \
2550 && test -f ${build_subdir}/${module}/Makefile; then
2551 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2552 rm -f ${build_subdir}/${module}/Makefile
2554 extrasub_build="$extrasub_build
2555 /^@if build-$module\$/d
2556 /^@endif build-$module\$/d
2557 /^@if build-$module-$bootstrap_suffix\$/d
2558 /^@endif build-$module-$bootstrap_suffix\$/d"
2561 for module in ${configdirs} ; do
2562 if test -z "${no_recursion}"; then
2563 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2564 if test -f ${file}; then
2565 echo 1>&2 "*** removing ${file} to force reconfigure"
2570 extrasub_host="$extrasub_host
2572 /^@endif $module\$/d
2573 /^@if $module-$bootstrap_suffix\$/d
2574 /^@endif $module-$bootstrap_suffix\$/d"
2577 for module in ${target_configdirs} ; do
2578 if test -z "${no_recursion}" \
2579 && test -f ${target_subdir}/${module}/Makefile; then
2580 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2581 rm -f ${target_subdir}/${module}/Makefile
2584 # We only bootstrap target libraries listed in bootstrap_target_libs.
2585 case $bootstrap_target_libs in
2586 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2587 *) target_bootstrap_suffix=no-bootstrap ;;
2590 extrasub_target="$extrasub_target
2591 /^@if target-$module\$/d
2592 /^@endif target-$module\$/d
2593 /^@if target-$module-$target_bootstrap_suffix\$/d
2594 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2597 # Do the final fixup along with target modules.
2598 extrasub_target="$extrasub_target
2599 /^@if /,/^@endif /d"
2601 # Create the serialization dependencies. This uses a temporary file.
2603 AC_ARG_ENABLE([serial-configure],
2604 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2605 [force sequential configuration of
2606 sub-packages for the host, target or build
2607 machine, or all sub-packages])])
2609 case ${enable_serial_configure} in
2611 enable_serial_build_configure=yes
2612 enable_serial_host_configure=yes
2613 enable_serial_target_configure=yes
2617 # These force 'configure's to be done one at a time, to avoid problems
2618 # with contention over a shared config.cache.
2620 echo '# serdep.tmp' > serdep.tmp
2622 test "x${enable_serial_build_configure}" = xyes &&
2623 for item in ${build_configdirs} ; do
2626 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2631 test "x${enable_serial_host_configure}" = xyes &&
2632 for item in ${configdirs} ; do
2635 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2640 test "x${enable_serial_target_configure}" = xyes &&
2641 for item in ${target_configdirs} ; do
2644 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2648 serialization_dependencies=serdep.tmp
2649 AC_SUBST_FILE(serialization_dependencies)
2651 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2652 # target, nonopt, and variable assignments. These are the ones we
2653 # might not want to pass down to subconfigures. The exception being
2654 # --cache-file=/dev/null, which is used to turn off the use of cache
2655 # files altogether, and which should be passed on to subconfigures.
2656 # Also strip program-prefix, program-suffix, and program-transform-name,
2657 # so that we can pass down a consistent program-transform-name.
2662 eval "set -- $ac_configure_args"
2665 if test X"$skip_next" = X"yes"; then
2669 if test X"$keep_next" = X"yes"; then
2672 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2674 baseargs="$baseargs '$ac_arg'"
2675 tbaseargs="$tbaseargs '$ac_arg'"
2680 # Handle separated arguments. Based on the logic generated by
2683 *=* | --config-cache | -C | -disable-* | --disable-* \
2684 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2685 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2686 | -with-* | --with-* | -without-* | --without-* | --x)
2700 --with-* | --without-*)
2701 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2705 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2708 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2717 mpc | mpfr | gmp | ppl | cloog)
2718 # If we're processing --with-$lib, --with-$lib-include or
2719 # --with-$lib-lib, for one of the libs above, and target is
2720 # different from host, don't pass the current argument to any
2721 # target library's configure.
2722 if test x$is_cross_compiler = xyes; then
2731 --cache-file=/dev/null | \
2732 -cache-file=/dev/null )
2733 # Handled here to avoid the test to skip args below.
2734 baseargs="$baseargs '$ac_arg'"
2735 tbaseargs="$tbaseargs '$ac_arg'"
2736 # Assert: $separate_arg should always be no.
2737 keep_next=$separate_arg
2753 -program-prefix* | \
2754 -program-suffix* | \
2755 -program-transform-name* )
2756 skip_next=$separate_arg
2760 # An option. Add it.
2763 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2765 baseargs="$baseargs '$ac_arg'"
2766 if test X"$skip_targ" = Xno; then
2767 tbaseargs="$tbaseargs '$ac_arg'"
2769 keep_next=$separate_arg
2772 # Either a variable assignment, or a nonopt (triplet). Don't
2773 # pass it down; let the Makefile handle this.
2778 # Remove the initial space we just introduced and, as these will be
2779 # expanded by make, quote '$'.
2780 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2782 # Add in --program-transform-name, after --program-prefix and
2783 # --program-suffix have been applied to it. Autoconf has already
2784 # doubled dollar signs and backslashes in program_transform_name; we want
2785 # the backslashes un-doubled, and then the entire thing wrapped in single
2786 # quotes, because this will be expanded first by make and then by the shell.
2787 # Also, because we want to override the logic in subdir configure scripts to
2788 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2789 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2790 ${program_transform_name}
2792 gcc_transform_name=`cat conftestsed.out`
2793 rm -f conftestsed.out
2794 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2795 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2796 if test "$silent" = yes; then
2797 baseargs="$baseargs --silent"
2798 tbaseargs="$tbaseargs --silent"
2800 baseargs="$baseargs --disable-option-checking"
2801 tbaseargs="$tbaseargs --disable-option-checking"
2803 # Record and document user additions to sub configure arguments.
2804 AC_ARG_VAR([build_configargs],
2805 [additional configure arguments for build directories])
2806 AC_ARG_VAR([host_configargs],
2807 [additional configure arguments for host directories])
2808 AC_ARG_VAR([target_configargs],
2809 [additional configure arguments for target directories])
2811 # For the build-side libraries, we just need to pretend we're native,
2812 # and not use the same cache file. Multilibs are neither needed nor
2814 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2816 # For host modules, accept cache file option, or specification as blank.
2817 case "${cache_file}" in
2819 cache_file_option="" ;;
2820 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2821 cache_file_option="--cache-file=${cache_file}" ;;
2823 cache_file_option="--cache-file=../${cache_file}" ;;
2826 # Host dirs don't like to share a cache file either, horribly enough.
2827 # This seems to be due to autoconf 2.5x stupidity.
2828 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2830 target_configargs="$target_configargs ${tbaseargs}"
2832 # Passing a --with-cross-host argument lets the target libraries know
2833 # whether they are being built with a cross-compiler or being built
2834 # native. However, it would be better to use other mechanisms to make the
2835 # sorts of decisions they want to make on this basis. Please consider
2836 # this option to be deprecated. FIXME.
2837 if test x${is_cross_compiler} = xyes ; then
2838 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2841 # Default to --enable-multilib.
2842 if test x${enable_multilib} = x ; then
2843 target_configargs="--enable-multilib ${target_configargs}"
2846 # Pass --with-newlib if appropriate. Note that target_configdirs has
2847 # changed from the earlier setting of with_newlib.
2848 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2849 target_configargs="--with-newlib ${target_configargs}"
2852 # Different target subdirs use different values of certain variables
2853 # (notably CXX). Worse, multilibs use *lots* of different values.
2854 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2855 # it doesn't automatically accept command-line overrides of them.
2856 # This means it's not safe for target subdirs to share a cache file,
2857 # which is disgusting, but there you have it. Hopefully this can be
2858 # fixed in future. It's still worthwhile to use a cache file for each
2859 # directory. I think.
2861 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2862 # We need to pass --target, as newer autoconf's requires consistency
2863 # for target_alias and gcc doesn't manage it consistently.
2864 target_configargs="--cache-file=./config.cache ${target_configargs}"
2867 case " $target_configdirs " in
2869 case " $target_configargs " in
2870 *" --with-newlib "*)
2873 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 $$s/winsup/w32api/include'
2877 # If we're not building GCC, don't discard standard headers.
2878 if test -d ${srcdir}/gcc; then
2879 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2881 if test "${build}" != "${host}"; then
2882 # On Canadian crosses, CC_FOR_TARGET will have already been set
2883 # by `configure', so we won't have an opportunity to add -Bgcc/
2884 # to it. This is right: we don't want to search that directory
2885 # for binaries, but we want the header files in there, so add
2887 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2889 # Someone might think of using the pre-installed headers on
2890 # Canadian crosses, in case the installed compiler is not fully
2891 # compatible with the compiler being built. In this case, it
2892 # would be better to flag an error than risking having
2893 # incompatible object files being constructed. We can't
2894 # guarantee that an error will be flagged, but let's hope the
2895 # compiler will do it, when presented with incompatible header
2900 case "${target}-${is_cross_compiler}" in
2901 i[[3456789]]86-*-linux*-no)
2902 # Here host == target, so we don't need to build gcc,
2903 # so we don't want to discard standard headers.
2904 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2907 # If we're building newlib, use its generic headers last, but search
2908 # for any libc-related directories first (so make it the last -B
2910 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2912 # If we're building libgloss, find the startup file, simulator library
2913 # and linker script.
2914 case " $target_configdirs " in
2916 # Look for startup file, simulator library and maybe linker script.
2917 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2918 # Look for libnosys.a in case the target needs it.
2919 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2920 # Most targets have the linker script in the source directory.
2921 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2932 x86_64-*mingw* | *-w64-mingw*)
2933 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2934 # however, use a symlink named 'mingw' in ${prefix} .
2935 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2938 # MinGW can't be handled as Cygwin above since it does not use newlib.
2939 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2943 # Allow the user to override the flags for
2944 # our build compiler if desired.
2945 if test x"${build}" = x"${host}" ; then
2946 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2947 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2948 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2951 # On Canadian crosses, we'll be searching the right directories for
2952 # the previously-installed cross compiler, so don't bother to add
2953 # flags for directories within the install tree of the compiler
2954 # being built; programs in there won't even run.
2955 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2956 # Search for pre-installed headers if nothing else fits.
2957 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2960 if test "x${use_gnu_ld}" = x &&
2961 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2962 # Arrange for us to find uninstalled linker scripts.
2963 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2966 # Search for other target-specific linker scripts and such.
2969 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2973 # Makefile fragments.
2974 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2976 eval fragval=\$$frag
2977 if test $fragval != /dev/null; then
2978 eval $frag=${srcdir}/$fragval
2981 AC_SUBST_FILE(host_makefile_frag)
2982 AC_SUBST_FILE(target_makefile_frag)
2983 AC_SUBST_FILE(alphaieee_frag)
2984 AC_SUBST_FILE(ospace_frag)
2986 # Miscellanea: directories, flags, etc.
2987 AC_SUBST(RPATH_ENVVAR)
2988 AC_SUBST(GCC_SHLIB_SUBDIR)
2990 AC_SUBST(build_tooldir)
2991 AC_SUBST(CONFIGURE_GDB_TK)
2993 AC_SUBST(INSTALL_GDB_TK)
2995 # Build module lists & subconfigure args.
2996 AC_SUBST(build_configargs)
2997 AC_SUBST(build_configdirs)
2999 # Host module lists & subconfigure args.
3000 AC_SUBST(host_configargs)
3001 AC_SUBST(configdirs)
3002 AC_SUBST(target_configdirs)
3004 # Target module lists & subconfigure args.
3005 AC_SUBST(target_configargs)
3009 AC_SUBST(AR_FOR_BUILD)
3010 AC_SUBST(AS_FOR_BUILD)
3011 AC_SUBST(CC_FOR_BUILD)
3012 AC_SUBST(CFLAGS_FOR_BUILD)
3013 AC_SUBST(CXXFLAGS_FOR_BUILD)
3014 AC_SUBST(CXX_FOR_BUILD)
3015 AC_SUBST(DLLTOOL_FOR_BUILD)
3016 AC_SUBST(GCJ_FOR_BUILD)
3017 AC_SUBST(GFORTRAN_FOR_BUILD)
3018 AC_SUBST(GOC_FOR_BUILD)
3019 AC_SUBST(LDFLAGS_FOR_BUILD)
3020 AC_SUBST(LD_FOR_BUILD)
3021 AC_SUBST(NM_FOR_BUILD)
3022 AC_SUBST(RANLIB_FOR_BUILD)
3023 AC_SUBST(WINDMC_FOR_BUILD)
3024 AC_SUBST(WINDRES_FOR_BUILD)
3026 # Generate default definitions for YACC, M4, LEX and other programs that run
3027 # on the build machine. These are used if the Makefile can't locate these
3028 # programs in objdir.
3029 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3031 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3033 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3035 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3037 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3039 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3041 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3042 case " $build_configdirs " in
3043 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3046 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3047 # higher, else we use the "missing" dummy.
3048 if ${MAKEINFO} --version \
3049 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3052 MAKEINFO="$MISSING makeinfo"
3058 # FIXME: expect and dejagnu may become build tools?
3060 AC_CHECK_PROGS(EXPECT, expect, expect)
3061 case " $configdirs " in
3063 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3067 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3068 case " $configdirs " in
3070 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3076 NCN_STRICT_CHECK_TOOLS(AR, ar)
3077 NCN_STRICT_CHECK_TOOLS(AS, as)
3078 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3079 NCN_STRICT_CHECK_TOOLS(LD, ld)
3080 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3081 NCN_STRICT_CHECK_TOOLS(NM, nm)
3082 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3083 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3084 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3085 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3086 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3087 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3088 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3095 AC_ARG_WITH([build-time-tools],
3096 [AS_HELP_STRING([--with-build-time-tools=PATH],
3097 [use given path to find target tools during the build])],
3098 [case x"$withval" in
3101 with_build_time_tools=
3102 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3105 [with_build_time_tools=])
3107 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3108 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3109 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3110 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3111 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3112 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3114 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3115 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3116 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3117 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3118 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3119 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3120 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3121 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3122 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3123 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3124 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3125 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3127 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3129 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3130 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3131 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3132 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3133 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3134 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3136 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3137 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3139 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3140 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3141 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3142 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3143 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3144 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3145 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3146 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3147 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3148 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3149 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3150 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3151 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3152 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3153 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3154 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3155 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3157 AC_SUBST(FLAGS_FOR_TARGET)
3158 AC_SUBST(RAW_CXX_FOR_TARGET)
3160 # Certain tools may need extra flags.
3161 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3162 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3163 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3165 # When building target libraries, except in a Canadian cross, we use
3166 # the same toolchain as the compiler we just built.
3167 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3168 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3169 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3170 if test $host = $build; then
3171 case " $configdirs " in
3173 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3174 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3175 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3180 AC_SUBST(COMPILER_AS_FOR_TARGET)
3181 AC_SUBST(COMPILER_LD_FOR_TARGET)
3182 AC_SUBST(COMPILER_NM_FOR_TARGET)
3184 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3185 AC_ARG_ENABLE(maintainer-mode,
3186 [AS_HELP_STRING([--enable-maintainer-mode],
3187 [enable make rules and dependencies not useful
3188 (and sometimes confusing) to the casual installer])],
3189 USE_MAINTAINER_MODE=$enableval,
3190 USE_MAINTAINER_MODE=no)
3191 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3192 AC_SUBST(MAINTAINER_MODE_TRUE)
3193 AC_SUBST(MAINTAINER_MODE_FALSE)
3194 if test "$USE_MAINTAINER_MODE" = yes; then
3195 MAINTAINER_MODE_TRUE=
3196 MAINTAINER_MODE_FALSE='#'
3198 MAINTAINER_MODE_TRUE='#'
3199 MAINTAINER_MODE_FALSE=
3201 MAINT=$MAINTAINER_MODE_TRUE
3204 # ---------------------
3205 # GCC bootstrap support
3206 # ---------------------
3208 # Stage specific cflags for build.
3213 yes) stage1_cflags="-g -Wa,-J" ;;
3214 *) stage1_cflags="-g -J" ;;
3218 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3219 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3220 saved_CFLAGS="$CFLAGS"
3222 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3223 CFLAGS="$CFLAGS -fkeep-inline-functions"
3224 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3226 #if (__GNUC__ < 3) \
3227 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3228 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3229 #error http://gcc.gnu.org/PR29382
3232 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3233 [AC_MSG_RESULT([no])])
3235 CFLAGS="$saved_CFLAGS"
3238 AC_SUBST(stage1_cflags)
3240 # Enable --enable-checking in stage1 of the compiler.
3241 AC_ARG_ENABLE(stage1-checking,
3242 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3243 [choose additional checking for stage1 of the compiler])],
3244 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3245 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3246 stage1_checking=--enable-checking=yes,types
3248 stage1_checking=--enable-checking=$enable_checking,types
3250 AC_SUBST(stage1_checking)
3252 # Enable -Werror in bootstrap stage2 and later.
3253 AC_ARG_ENABLE(werror,
3254 [AS_HELP_STRING([--enable-werror],
3255 [enable -Werror in bootstrap stage2 and later])], [],
3256 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3261 case ${enable_werror} in
3262 yes) stage2_werror_flag="--enable-werror-always" ;;
3263 *) stage2_werror_flag="" ;;
3265 AC_SUBST(stage2_werror_flag)
3267 # If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass
3268 # --enable-build-with-cxx after stage1.
3269 if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
3270 POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx
3272 POSTSTAGE1_CONFIGURE_FLAGS=
3274 AC_SUBST(POSTSTAGE1_CONFIGURE_FLAGS)
3276 # Specify what files to not compare during bootstrap.
3278 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3280 hppa*64*-*-hpux*) ;;
3281 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3283 case " $configdirs " in
3284 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3286 AC_SUBST(compare_exclusions)
3288 AC_CONFIG_FILES([Makefile],
3289 [sed "$extrasub_build" Makefile |
3290 sed "$extrasub_host" |
3291 sed "$extrasub_target" > mf$$
3292 mv -f mf$$ Makefile],
3293 [extrasub_build="$extrasub_build"
3294 extrasub_host="$extrasub_host"
3295 extrasub_target="$extrasub_target"])