1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 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 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
145 # libgcj represents the runtime libraries only used by gcj.
146 libgcj="target-libffi \
150 # these libraries are built for the target environment, and are built after
151 # the host libraries and the host tools (which may be a cross compiler)
153 target_libraries="target-libgcc \
158 target-libstdc++-v3 \
169 # these tools are built using the target libraries, and are intended to
170 # run only in the target environment
172 # note: any program that *uses* libraries that are in the "target_libraries"
173 # list belongs in this list.
175 target_tools="target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
186 build_configdirs=`echo ${build_libs} ${build_tools}`
188 m4_divert_text([PARSE_ARGS],
191 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
192 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
193 m4_popdef([AS_MESSAGE_LOG_FD])dnl
196 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
199 ################################################################################
201 srcname="gnu development package"
203 # This gets set non-empty for some net releases of packages.
206 # Define is_cross_compiler to save on calls to 'test'.
208 if test x"${host}" = x"${target}" ; then
211 is_cross_compiler=yes
214 # Find the build and target subdir names.
216 # Be sure to cover against remnants of an in-tree build.
217 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
219 Use a pristine source tree when building in a separate tree])
222 # Skipdirs are removed silently.
224 # Noconfigdirs are removed loudly.
228 # Make sure we don't let GNU ld be added if we didn't want it.
229 if test x$with_gnu_ld = xno ; then
231 noconfigdirs="$noconfigdirs ld gold"
235 # Make sure we don't let GNU as be added if we didn't want it.
236 if test x$with_gnu_as = xno ; then
238 noconfigdirs="$noconfigdirs gas"
242 # Make sure we don't let ZLIB be added if we didn't want it.
243 if test x$with_system_zlib = xyes ; then
245 noconfigdirs="$noconfigdirs zlib"
248 # some tools are so dependent upon X11 that if we're not building with X,
249 # it's not even worth trying to configure, much less build, that tool.
252 yes | "") ;; # the default value for this tree is that X11 is available
254 skipdirs="${skipdirs} tk itcl libgui"
255 # We won't be able to build gdbtk without X.
258 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
261 # Some are only suitable for cross toolchains.
262 # Remove these if host=target.
263 cross_only="target-libgloss target-newlib target-opcodes"
265 case $is_cross_compiler in
266 no) skipdirs="${skipdirs} ${cross_only}" ;;
269 # If both --with-headers and --with-libs are specified, default to
271 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
272 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
273 if test x"${with_newlib}" = x ; then
278 # Recognize --with-newlib/--without-newlib.
279 case ${with_newlib} in
280 no) skipdirs="${skipdirs} target-newlib" ;;
281 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
284 # Handle --enable-gold, --enable-ld.
285 # --disable-gold [--enable-ld]
286 # Build only ld. Default option.
287 # --enable-gold [--enable-ld]
288 # Build both gold and ld. Install gold as "ld.gold", install ld
289 # as "ld.bfd" and "ld".
290 # --enable-gold=default [--enable-ld]
291 # Build both gold and ld. Install gold as "ld.gold" and "ld",
292 # install ld as "ld.bfd".
293 # --enable-gold[=default] --disable-ld
294 # Build only gold, which is then installed as both "ld.gold" and "ld".
295 # --enable-gold --enable-ld=default
296 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
298 # In other words, ld is default
299 # --enable-gold=default --enable-ld=default
304 [AS_HELP_STRING([[--enable-gold[=ARG]]],
305 [build gold @<:@ARG={default,yes,no}@:>@])],
306 ENABLE_GOLD=$enableval,
308 case "${ENABLE_GOLD}" in
310 # Check for ELF target.
313 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
314 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
315 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
316 | *-*-solaris2* | *-*-nto*)
318 *-*-linux*aout* | *-*-linux*oldld*)
326 if test "$is_elf" = "yes"; then
327 # Check for target supported by gold.
329 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
330 configdirs="$configdirs gold"
331 if test x${ENABLE_GOLD} = xdefault; then
342 AC_MSG_ERROR([invalid --enable-gold argument])
347 [AS_HELP_STRING([[--enable-ld[=ARG]]],
348 [build ld @<:@ARG={default,yes,no}@:>@])],
349 ENABLE_LD=$enableval,
352 case "${ENABLE_LD}" in
354 if test x${default_ld} != x; then
355 AC_MSG_ERROR([either gold or ld can be the default ld])
361 if test x${ENABLE_GOLD} != xyes; then
362 AC_MSG_WARN([neither ld nor gold are enabled])
364 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
367 AC_MSG_ERROR([invalid --enable-ld argument])
371 # Configure extra directories which are host specific
375 configdirs="$configdirs libtermcap" ;;
378 # A target can indicate whether a language isn't supported for some reason.
379 # Only spaces may be used in this macro; not newlines or tabs.
380 unsupported_languages=
382 # Remove more programs from consideration, based on the host or
383 # target this usually means that a port of the program doesn't
387 i[[3456789]]86-*-msdosdjgpp*)
388 noconfigdirs="$noconfigdirs tcl tk itcl"
393 AC_ARG_ENABLE(libquadmath,
394 AS_HELP_STRING([--disable-libquadmath],
395 [do not build libquadmath directory]),
396 ENABLE_LIBQUADMATH=$enableval,
397 ENABLE_LIBQUADMATH=yes)
398 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
399 noconfigdirs="$noconfigdirs target-libquadmath"
403 AC_ARG_ENABLE(libquadmath-support,
404 AS_HELP_STRING([--disable-libquadmath-support],
405 [disable libquadmath support for Fortran]),
406 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
407 ENABLE_LIBQUADMATH_SUPPORT=yes)
408 enable_libquadmath_support=
409 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
410 enable_libquadmath_support=no
414 AC_ARG_ENABLE(libada,
415 [AS_HELP_STRING([--enable-libada], [build libada directory])],
416 ENABLE_LIBADA=$enableval,
418 if test "${ENABLE_LIBADA}" != "yes" ; then
419 noconfigdirs="$noconfigdirs gnattools"
422 AC_ARG_ENABLE(libssp,
423 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
424 ENABLE_LIBSSP=$enableval,
427 # Save it here so that, even in case of --enable-libgcj, if the Java
428 # front-end isn't enabled, we still get libgcj disabled.
430 case $enable_libgcj in
432 # If we reset it here, it won't get added to noconfigdirs in the
433 # target-specific build rules, so it will be forcibly enabled
434 # (unless the Java language itself isn't enabled).
438 # Make sure we get it printed in the list of not supported target libs.
439 # Don't disable libffi, though, other languages use it.
440 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
441 # Clear libgcj_saved so that even if java is enabled libffi won't be
448 # Disable libmudflap on some systems.
449 if test x$enable_libmudflap = x ; then
451 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
452 # Enable libmudflap by default in GNU and friends.
455 # Enable libmudflap by default in FreeBSD.
458 # Disable it by default everywhere else.
459 noconfigdirs="$noconfigdirs target-libmudflap"
464 # Disable libgomp on non POSIX hosted systems.
465 if test x$enable_libgomp = x ; then
466 # Enable libgomp by default on hosted POSIX systems.
468 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
470 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
472 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
474 *-*-darwin* | *-*-aix*)
477 noconfigdirs="$noconfigdirs target-libgomp"
482 # Disable libssp for some systems.
485 # No hosted I/O support.
486 noconfigdirs="$noconfigdirs target-libssp"
488 powerpc-*-aix* | rs6000-*-aix*)
489 noconfigdirs="$noconfigdirs target-libssp"
493 # Disable target libiberty for some systems.
496 # Remove unsupported stuff on all kaOS configurations.
497 skipdirs="target-libiberty"
500 # Skip some stuff on all NetBSD configurations.
501 noconfigdirs="$noconfigdirs target-libiberty"
504 noconfigdirs="$noconfigdirs target-libiberty"
507 skipdirs="${skipdirs} target-libiberty"
510 noconfigdirs="$noconfigdirs target-libiberty"
513 noconfigdirs="$noconfigdirs target-libiberty"
515 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
516 noconfigdirs="$noconfigdirs target-libiberty"
519 noconfigdirs="$noconfigdirs target-libiberty"
522 noconfigdirs="$noconfigdirs target-libiberty"
524 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
525 noconfigdirs="$noconfigdirs target-libiberty"
528 noconfigdirs="$noconfigdirs target-libiberty"
531 skipdirs="$skipdirs target-libiberty"
534 noconfigdirs="$noconfigdirs target-libiberty"
538 # Disable libstdc++-v3 for some systems.
541 # VxWorks uses the Dinkumware C++ library.
542 noconfigdirs="$noconfigdirs target-libstdc++-v3"
545 # the C++ libraries don't build on top of CE's C libraries
546 noconfigdirs="$noconfigdirs target-libstdc++-v3"
549 noconfigdirs="$noconfigdirs target-libstdc++-v3"
553 # Disable Fortran for some systems.
556 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
557 unsupported_languages="$unsupported_languages fortran"
561 # Disable Java if libffi is not supported.
583 mips-sgi-irix6.* | mips*-*-rtems*)
591 powerpc-*-aix* | rs6000-*-aix*)
595 powerpc64-*-freebsd*)
599 s390-*-* | s390x-*-*)
601 sh-*-* | sh[[34]]*-*-*)
610 unsupported_languages="$unsupported_languages java"
614 # Disable Java, libgcj or related libraries for some systems.
618 i[[3456789]]86-*-darwin*)
620 x86_64-*-darwin[[912]]*)
623 noconfigdirs="$noconfigdirs ${libgcj}"
628 # Skip some stuff that's unsupported on some FreeBSD configurations.
634 noconfigdirs="$noconfigdirs ${libgcj}"
639 # Skip some stuff that's unsupported on some NetBSD configurations.
641 i*86-*-netbsdelf*) ;;
642 arm*-*-netbsdelf*) ;;
644 noconfigdirs="$noconfigdirs ${libgcj}"
649 noconfigdirs="$noconfigdirs ${libgcj}"
652 noconfigdirs="$noconfigdirs ${libgcj}"
655 noconfigdirs="$noconfigdirs ${libgcj}"
658 noconfigdirs="$noconfigdirs ${libgcj}"
661 noconfigdirs="$noconfigdirs ${libgcj}"
666 noconfigdirs="$noconfigdirs ${libgcj}"
671 noconfigdirs="$noconfigdirs ${libgcj}"
674 noconfigdirs="$noconfigdirs ${libgcj}"
677 noconfigdirs="$noconfigdirs ${libgcj}"
679 arm-*-elf* | arm*-*-eabi* )
680 noconfigdirs="$noconfigdirs target-libffi"
682 arm*-*-linux-gnueabi)
685 noconfigdirs="$noconfigdirs ${libgcj}"
688 noconfigdirs="$noconfigdirs target-boehm-gc"
690 cris-*-* | crisv32-*-*)
691 unsupported_languages="$unsupported_languages java"
695 *) # See PR46792 regarding target-libffi.
696 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
700 noconfigdirs="$noconfigdirs ${libgcj}"
703 # In this case, it's because the hppa64-linux target is for
704 # the kernel only at this point and has no libc, and thus no
705 # headers, crt*.o, etc., all of which are needed by these.
706 noconfigdirs="$noconfigdirs target-zlib"
711 noconfigdirs="$noconfigdirs ${libgcj}"
716 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
717 # build on HP-UX 10.20.
718 noconfigdirs="$noconfigdirs ${libgcj}"
725 noconfigdirs="$noconfigdirs ${libgcj}"
727 i[[3456789]]86-*-elf)
728 noconfigdirs="$noconfigdirs ${libgcj}"
730 i[[3456789]]86-*-linux*)
732 i[[3456789]]86-w64-mingw*)
733 noconfigdirs="$noconfigdirs ${libgcj}"
735 i[[3456789]]86-*-mingw*)
736 noconfigdirs="$noconfigdirs ${libgcj}"
739 noconfigdirs="$noconfigdirs ${libgcj}"
743 i[[3456789]]86-*-interix* )
745 i[[3456789]]86-*-solaris2*)
748 noconfigdirs="$noconfigdirs ${libgcj}"
751 noconfigdirs="$noconfigdirs ${libgcj}"
756 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
759 # copied from rs6000-*-* entry
760 noconfigdirs="$noconfigdirs ${libgcj}"
763 noconfigdirs="$noconfigdirs ${libgcj}"
765 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
768 noconfigdirs="$noconfigdirs ${libgcj}"
771 # Linking libjava exceeds command-line length limits on at least
772 # IRIX 6.2, but not on IRIX 6.5.
773 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
774 # <oldham@codesourcery.com>
775 noconfigdirs="$noconfigdirs ${libgcj}"
780 noconfigdirs="$noconfigdirs ${libgcj}"
783 noconfigdirs="$noconfigdirs ${libgcj}"
786 noconfigdirs="$noconfigdirs ${libgcj}"
789 noconfigdirs="$noconfigdirs ${libgcj}"
791 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
793 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
796 noconfigdirs="$noconfigdirs ${libgcj}"
799 noconfigdirs="$noconfigdirs ${libgcj}"
803 # Default libgloss CPU subdirectory.
804 libgloss_dir="$target_cpu"
808 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
811 noconfigdirs="$noconfigdirs ld gas gdb gprof"
812 noconfigdirs="$noconfigdirs sim target-rda"
814 i[[3456789]]86-*-darwin*)
815 noconfigdirs="$noconfigdirs ld gprof"
816 noconfigdirs="$noconfigdirs sim target-rda"
818 x86_64-*-darwin[[912]]*)
819 noconfigdirs="$noconfigdirs ld gas gprof"
820 noconfigdirs="$noconfigdirs sim target-rda"
823 noconfigdirs="$noconfigdirs ld gas gdb gprof"
824 noconfigdirs="$noconfigdirs sim target-rda"
827 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
830 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
831 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
832 && test -f /usr/local/include/gmp.h; then
837 # Remove unsupported stuff on all kaOS configurations.
838 noconfigdirs="$noconfigdirs target-libgloss"
841 # Skip some stuff on all NetBSD configurations.
842 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
845 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
848 noconfigdirs="$noconfigdirs target-libgloss"
850 # The tpf target doesn't support gdb yet.
852 noconfigdirs="$noconfigdirs target-newlib target-libgloss gdb tcl tk libgui itcl"
855 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda"
858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
861 # ld works, but does not support shared libraries.
862 # newlib is not 64 bit ready.
863 # gas doesn't generate exception information.
864 noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
867 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
870 # newlib is not 64 bit ready
871 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
874 # newlib is not 64 bit ready
875 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
878 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
881 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
883 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
884 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
885 noconfigdirs="$noconfigdirs target-newlib"
889 noconfigdirs="$noconfigdirs target-libgloss"
894 arm-*-elf* | arm*-*-eabi* )
897 arm*-*-linux-gnueabi)
898 case ${with_newlib} in
899 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
907 noconfigdirs="$noconfigdirs target-libgloss"
910 noconfigdirs="$noconfigdirs ld target-libgloss"
917 noconfigdirs="$noconfigdirs target-libgloss"
920 noconfigdirs="$noconfigdirs target-libgloss gdb"
923 noconfigdirs="$noconfigdirs gdb"
925 cris-*-* | crisv32-*-*)
928 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
933 noconfigdirs="$noconfigdirs target-libgloss"
936 noconfigdirs="$noconfigdirs gdb"
939 noconfigdirs="$noconfigdirs gdb"
944 noconfigdirs="$noconfigdirs gprof"
947 noconfigdirs="$noconfigdirs target-libgloss"
950 noconfigdirs="$noconfigdirs target-libgloss"
952 hppa1.1-*-osf* | hppa1.1-*-bsd* )
964 noconfigdirs="$noconfigdirs ld"
970 noconfigdirs="$noconfigdirs ld"
973 noconfigdirs="$noconfigdirs gdb"
976 # No gdb support yet.
977 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
981 noconfigdirs="$noconfigdirs libgui itcl ld"
984 # No gdb or ld support yet.
985 noconfigdirs="$noconfigdirs readline libgui itcl gdb ld"
987 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
990 i[[3456789]]86-*-linux*)
991 # This section makes it possible to build newlib natively on linux.
992 # If we are using a cross compiler then don't configure newlib.
993 if test x${is_cross_compiler} != xno ; then
994 noconfigdirs="$noconfigdirs target-newlib"
996 noconfigdirs="$noconfigdirs target-libgloss"
997 # If we are not using a cross compiler, do configure newlib.
998 # Note however, that newlib will only be configured in this situation
999 # if the --with-newlib option has been given, because otherwise
1000 # 'target-newlib' will appear in skipdirs.
1002 i[[3456789]]86-w64-mingw*)
1003 noconfigdirs="$noconfigdirs target-libgloss target-newlib"
1005 i[[3456789]]86-*-mingw*)
1006 target_configdirs="$target_configdirs target-winsup"
1007 noconfigdirs="$noconfigdirs target-libgloss target-newlib"
1010 noconfigdirs="$noconfigdirs target-libgloss target-newlib"
1013 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1014 noconfigdirs="$noconfigdirs target-libgloss"
1015 # always build newlib if winsup directory is present.
1016 if test -d "$srcdir/winsup/cygwin"; then
1017 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1018 elif test -d "$srcdir/newlib"; then
1019 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1022 i[[3456789]]86-*-interix* )
1024 i[[3456789]]86-*-pe)
1025 noconfigdirs="$noconfigdirs target-libgloss"
1027 i[[3456789]]86-*-sco3.2v5*)
1028 # The linker does not yet know about weak symbols in COFF,
1029 # and is not configured to handle mixed ELF and COFF.
1030 noconfigdirs="$noconfigdirs ld target-libgloss"
1032 i[[3456789]]86-*-sco*)
1033 noconfigdirs="$noconfigdirs gprof target-libgloss"
1035 i[[3456789]]86-*-solaris2*)
1036 noconfigdirs="$noconfigdirs target-libgloss"
1038 i[[3456789]]86-*-sysv4*)
1039 noconfigdirs="$noconfigdirs target-libgloss"
1041 i[[3456789]]86-*-beos*)
1042 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1044 i[[3456789]]86-*-rdos*)
1045 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1049 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
1050 libgloss_dir=m68hc11
1054 m68*-*-* | fido-*-*)
1058 noconfigdirs="$noconfigdirs gdb"
1061 noconfigdirs="$noconfigdirs sim"
1064 # copied from rs6000-*-* entry
1065 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib"
1067 powerpc*-*-winnt* | powerpc*-*-pe*)
1068 target_configdirs="$target_configdirs target-winsup"
1069 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1070 # always build newlib.
1071 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1073 # This is temporary until we can link against shared libraries
1074 powerpcle-*-solaris*)
1075 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1079 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1084 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
1088 noconfigdirs="$noconfigdirs target-newlib gprof"
1091 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib"
1094 noconfigdirs="$noconfigdirs gprof"
1097 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1100 noconfigdirs="$noconfigdirs gprof"
1103 if test x$with_newlib = xyes; then
1104 noconfigdirs="$noconfigdirs gprof"
1109 noconfigdirs="$noconfigdirs gprof target-libgloss"
1112 noconfigdirs="$noconfigdirs gprof target-libgloss"
1115 noconfigdirs="$noconfigdirs gprof target-libgloss"
1118 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1121 noconfigdirs="$noconfigdirs gprof"
1129 noconfigdirs="$noconfigdirs target-libgloss" ;;
1132 sparclet-*-aout* | sparc86x-*-*)
1144 if test x${is_cross_compiler} != xno ; then
1145 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1150 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
1153 noconfigdirs="$noconfigdirs gdb sim"
1156 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1159 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1161 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1162 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1165 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1171 # If we aren't building newlib, then don't build libgloss, since libgloss
1172 # depends upon some newlib header files.
1173 case "${noconfigdirs}" in
1174 *target-libgloss*) ;;
1175 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1178 # Work in distributions that contain no compiler tools, like Autoconf.
1179 host_makefile_frag=/dev/null
1180 if test -d ${srcdir}/config ; then
1182 i[[3456789]]86-*-msdosdjgpp*)
1183 host_makefile_frag="config/mh-djgpp"
1186 ACX_CHECK_CYGWIN_CAT_WORKS
1187 host_makefile_frag="config/mh-cygwin"
1190 host_makefile_frag="config/mh-mingw"
1193 host_makefile_frag="config/mh-interix"
1196 host_makefile_frag="config/mh-pa-hpux10"
1199 host_makefile_frag="config/mh-pa"
1202 host_makefile_frag="config/mh-pa"
1205 host_makefile_frag="config/mh-darwin"
1208 host_makefile_frag="config/mh-ppc-aix"
1211 host_makefile_frag="config/mh-ppc-aix"
1216 if test "${build}" != "${host}" ; then
1217 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1218 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1219 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1220 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1221 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1222 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1223 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1224 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1225 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1226 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1227 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1228 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1229 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1231 AR_FOR_BUILD="\$(AR)"
1232 AS_FOR_BUILD="\$(AS)"
1233 CC_FOR_BUILD="\$(CC)"
1234 CXX_FOR_BUILD="\$(CXX)"
1235 GCJ_FOR_BUILD="\$(GCJ)"
1236 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1237 GOC_FOR_BUILD="\$(GOC)"
1238 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1239 LD_FOR_BUILD="\$(LD)"
1240 NM_FOR_BUILD="\$(NM)"
1241 RANLIB_FOR_BUILD="\$(RANLIB)"
1242 WINDRES_FOR_BUILD="\$(WINDRES)"
1243 WINDMC_FOR_BUILD="\$(WINDMC)"
1249 # We must set the default linker to the linker used by gcc for the correct
1250 # operation of libtool. If LD is not defined and we are using gcc, try to
1251 # set the LD default to the ld used by gcc.
1252 if test -z "$LD"; then
1253 if test "$GCC" = yes; then
1256 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1258 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1260 case $gcc_prog_ld in
1261 # Accept absolute paths.
1262 [[\\/]* | [A-Za-z]:[\\/]*)]
1263 LD="$gcc_prog_ld" ;;
1269 ACX_PROG_CMP_IGNORE_INITIAL
1271 # See if we are building gcc with C++.
1272 AC_ARG_ENABLE(build-with-cxx,
1273 [AS_HELP_STRING([--enable-build-with-cxx],
1274 [build with C++ compiler instead of C compiler])],
1275 ENABLE_BUILD_WITH_CXX=$enableval,
1276 ENABLE_BUILD_WITH_CXX=no)
1278 # Used for setting $lt_cv_objdir
1281 # Check for GMP, MPFR and MPC
1282 gmplibs="-lmpc -lmpfr -lgmp"
1286 # Specify a location for mpc
1287 # check for this first so it ends up on the link line before mpfr.
1289 [AS_HELP_STRING([--with-mpc=PATH],
1290 [specify prefix directory for installed MPC package.
1291 Equivalent to --with-mpc-include=PATH/include
1292 plus --with-mpc-lib=PATH/lib])])
1293 AC_ARG_WITH(mpc-include,
1294 [AS_HELP_STRING([--with-mpc-include=PATH],
1295 [specify directory for installed MPC include files])])
1296 AC_ARG_WITH(mpc-lib,
1297 [AS_HELP_STRING([--with-mpc-lib=PATH],
1298 [specify directory for the installed MPC library])])
1300 if test "x$with_mpc" != x; then
1301 gmplibs="-L$with_mpc/lib $gmplibs"
1302 gmpinc="-I$with_mpc/include $gmpinc"
1304 if test "x$with_mpc_include" != x; then
1305 gmpinc="-I$with_mpc_include $gmpinc"
1307 if test "x$with_mpc_lib" != x; then
1308 gmplibs="-L$with_mpc_lib $gmplibs"
1310 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1311 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1312 gmpinc='-I$$s/mpc/src '"$gmpinc"
1313 # Do not test the mpc version. Assume that it is sufficient, since
1314 # it is in the source tree, and the library has not been built yet
1315 # but it would be included on the link line in the version check below
1316 # hence making the test fail.
1320 # Specify a location for mpfr
1321 # check for this first so it ends up on the link line before gmp.
1322 AC_ARG_WITH(mpfr-dir,
1323 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1324 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1325 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1328 [AS_HELP_STRING([--with-mpfr=PATH],
1329 [specify prefix directory for installed MPFR package.
1330 Equivalent to --with-mpfr-include=PATH/include
1331 plus --with-mpfr-lib=PATH/lib])])
1332 AC_ARG_WITH(mpfr-include,
1333 [AS_HELP_STRING([--with-mpfr-include=PATH],
1334 [specify directory for installed MPFR include files])])
1335 AC_ARG_WITH(mpfr-lib,
1336 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1337 [specify directory for the installed MPFR library])])
1339 if test "x$with_mpfr" != x; then
1340 gmplibs="-L$with_mpfr/lib $gmplibs"
1341 gmpinc="-I$with_mpfr/include $gmpinc"
1343 if test "x$with_mpfr_include" != x; then
1344 gmpinc="-I$with_mpfr_include $gmpinc"
1346 if test "x$with_mpfr_lib" != x; then
1347 gmplibs="-L$with_mpfr_lib $gmplibs"
1349 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1350 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1351 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1352 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1353 # Do not test the mpfr version. Assume that it is sufficient, since
1354 # it is in the source tree, and the library has not been built yet
1355 # but it would be included on the link line in the version check below
1356 # hence making the test fail.
1360 # Specify a location for gmp
1361 AC_ARG_WITH(gmp-dir,
1362 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1363 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1364 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1367 [AS_HELP_STRING([--with-gmp=PATH],
1368 [specify prefix directory for the installed GMP package.
1369 Equivalent to --with-gmp-include=PATH/include
1370 plus --with-gmp-lib=PATH/lib])])
1371 AC_ARG_WITH(gmp-include,
1372 [AS_HELP_STRING([--with-gmp-include=PATH],
1373 [specify directory for installed GMP include files])])
1374 AC_ARG_WITH(gmp-lib,
1375 [AS_HELP_STRING([--with-gmp-lib=PATH],
1376 [specify directory for the installed GMP library])])
1379 if test "x$with_gmp" != x; then
1380 gmplibs="-L$with_gmp/lib $gmplibs"
1381 gmpinc="-I$with_gmp/include $gmpinc"
1383 if test "x$with_gmp_include" != x; then
1384 gmpinc="-I$with_gmp_include $gmpinc"
1386 if test "x$with_gmp_lib" != x; then
1387 gmplibs="-L$with_gmp_lib $gmplibs"
1389 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1390 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1391 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1392 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1393 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1394 # Do not test the gmp version. Assume that it is sufficient, since
1395 # it is in the source tree, and the library has not been built yet
1396 # but it would be included on the link line in the version check below
1397 # hence making the test fail.
1401 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1403 saved_CFLAGS="$CFLAGS"
1404 CFLAGS="$CFLAGS $gmpinc"
1405 # Check for the recommended and required versions of GMP.
1406 AC_MSG_CHECKING([for the correct version of gmp.h])
1407 AC_TRY_COMPILE([#include "gmp.h"],[
1408 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1409 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1410 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1413 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1414 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1415 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1416 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1419 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1420 [AC_MSG_RESULT([no]); have_gmp=no])
1422 # If we have GMP, check the MPFR version.
1423 if test x"$have_gmp" = xyes; then
1424 # Check for the recommended and required versions of MPFR.
1425 AC_MSG_CHECKING([for the correct version of mpfr.h])
1426 AC_TRY_COMPILE([#include <gmp.h>
1427 #include <mpfr.h>],[
1428 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1431 ], [AC_TRY_COMPILE([#include <gmp.h>
1432 #include <mpfr.h>],[
1433 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1436 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1437 [AC_MSG_RESULT([no]); have_gmp=no])
1440 # Check for the MPC header version.
1441 if test x"$have_gmp" = xyes ; then
1442 # Check for the recommended and required versions of MPC.
1443 AC_MSG_CHECKING([for the correct version of mpc.h])
1444 AC_TRY_COMPILE([#include <mpc.h>],[
1445 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1448 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1449 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1452 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1453 [AC_MSG_RESULT([no]); have_gmp=no])
1456 # Now check the MPFR library.
1457 if test x"$have_gmp" = xyes; then
1459 LIBS="$LIBS $gmplibs"
1460 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1461 AC_TRY_LINK([#include <mpc.h>],[
1468 mpfr_atan2 (n, n, x, GMP_RNDN);
1469 mpfr_erfc (n, x, GMP_RNDN);
1470 mpfr_subnormalize (x, t, GMP_RNDN);
1474 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1475 mpc_cosh (c, c, MPC_RNDNN);
1476 mpc_pow (c, c, c, MPC_RNDNN);
1477 mpc_acosh (c, c, MPC_RNDNN);
1479 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1483 CFLAGS="$saved_CFLAGS"
1485 # The library versions listed in the error message below should match
1486 # the HARD-minimums enforced above.
1487 if test x$have_gmp != xyes; then
1488 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1489 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1490 their locations. Source code for these libraries can be found at
1491 their respective hosting sites as well as at
1492 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1493 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1494 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1495 make sure that you have installed both the libraries and the header
1496 files. They may be located in separate packages.])
1500 # Flags needed for both GMP, MPFR and/or MPC.
1503 AC_SUBST(extra_mpfr_configure_flags)
1504 AC_SUBST(extra_mpc_gmp_configure_flags)
1505 AC_SUBST(extra_mpc_mpfr_configure_flags)
1507 # Allow host libstdc++ to be specified for static linking with PPL.
1508 AC_ARG_WITH(host-libstdcxx,
1509 [AS_HELP_STRING([--with-host-libstdcxx=L],
1510 [use linker arguments L to link with libstdc++
1511 when linking with PPL])])
1513 case $with_host_libstdcxx in
1515 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1519 # Linker flags to use for stage1 or when not boostrapping.
1520 AC_ARG_WITH(stage1-ldflags,
1521 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1522 [if test "$withval" = "no" -o "$withval" = "yes"; then
1525 stage1_ldflags=$withval
1528 AC_SUBST(stage1_ldflags)
1530 # Libraries to use for stage1 or when not bootstrapping.
1531 AC_ARG_WITH(stage1-libs,
1532 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1533 [if test "$withval" = "no" -o "$withval" = "yes"; then
1536 stage1_libs=$withval
1538 [stage1_libs=$with_host_libstdcxx])
1539 AC_SUBST(stage1_libs)
1541 # Libraries to use for stage2 and later builds. This defaults to the
1542 # argument passed to --with-host-libstdcxx.
1543 AC_ARG_WITH(boot-libs,
1544 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1545 [if test "$withval" = "no" -o "$withval" = "yes"; then
1548 poststage1_libs=$withval
1550 [poststage1_libs=$with_host_libstdcxx])
1551 AC_SUBST(poststage1_libs)
1553 # Linker flags to use for stage2 and later builds.
1554 AC_ARG_WITH(boot-ldflags,
1555 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1556 [linker flags for stage2 and later])],
1557 [if test "$withval" = "no" -o "$withval" = "yes"; then
1560 poststage1_ldflags=$withval
1562 [poststage1_ldflags=
1563 # In stages 2 and 3, default to linking libstdc++ and libgcc
1564 # statically. But if the user explicitly specified the libraries to
1565 # use, trust that they are doing what they want.
1566 if test "$poststage1_libs" = ""; then
1567 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1569 AC_SUBST(poststage1_ldflags)
1577 [AS_HELP_STRING([--with-ppl=PATH],
1578 [specify prefix directory for the installed PPL package.
1579 Equivalent to --with-ppl-include=PATH/include
1580 plus --with-ppl-lib=PATH/lib])])
1581 AC_ARG_WITH(ppl-include,
1582 [AS_HELP_STRING([--with-ppl-include=PATH],
1583 [specify directory for installed PPL include files])])
1584 AC_ARG_WITH(ppl-lib,
1585 [AS_HELP_STRING([--with-ppl-lib=PATH],
1586 [specify directory for the installed PPL library])])
1588 AC_ARG_ENABLE(ppl-version-check,
1589 [AS_HELP_STRING([--disable-ppl-version-check],
1590 [disable check for PPL version])])
1596 ppllibs="-L$with_ppl/lib"
1597 pplinc="-I$with_ppl/include $pplinc"
1598 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1601 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1606 if test x"$with_ppl_include" != x; then
1607 pplinc="-I$with_ppl_include $pplinc"
1611 if test "x$with_ppl_lib" != x; then
1612 ppllibs="-L$with_ppl_lib"
1616 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1617 if test x"$enable_watchdog" = xyes; then
1620 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1621 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1622 enable_ppl_version_check=no
1626 if test "x$with_ppl" != xno; then
1627 if test "x$pwllib" = x; then
1629 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1630 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1634 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1636 if test "$enable_ppl_version_check" != no; then
1637 saved_CFLAGS="$CFLAGS"
1638 CFLAGS="$CFLAGS $pplinc $gmpinc"
1639 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1640 AC_TRY_COMPILE([#include "ppl_c.h"],[
1641 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1644 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1645 CFLAGS="$saved_CFLAGS"
1649 # Flags needed for PPL
1656 dnl Provide configure switches and initialize clooginc & clooglibs
1657 dnl with user input.
1659 if test "x$with_ppl" = "xno"; then
1660 dnl Only execute fail-action, if CLooG has been requested.
1661 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1662 if test "${graphite_requested}" = yes; then
1663 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1667 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1668 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1669 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1670 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1672 if test "x$with_cloog" != "xno"; then
1673 dnl The minimal version of CLooG required for Graphite.
1675 dnl If we use CLooG-Legacy, the provided version information is
1677 CLOOG_CHECK_VERSION(0,16,1)
1679 dnl Only execute fail-action, if CLooG has been requested.
1681 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1684 # Check for LTO support.
1686 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1687 enable_lto=$enableval,
1688 enable_lto=yes; default_enable_lto=yes)
1690 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1691 build_lto_plugin=yes
1692 ],[if test x"$default_enable_lto" = x"yes" ; then
1694 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1695 # On other non-ELF platforms, LTO has yet to be validated.
1699 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1700 # It would also be nice to check the binutils support, but we don't
1701 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1702 # warn during gcc/ subconfigure; unless you're bootstrapping with
1703 # -flto it won't be needed until after installation anyway.
1705 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1706 *) if test x"$enable_lto" = x"yes"; then
1707 AC_MSG_ERROR([LTO support is not enabled for this target.])
1712 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1713 # Build it unless LTO was explicitly disabled.
1715 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1721 # By default, C is the only stage 1 language.
1722 stage1_languages=,c,
1724 # Target libraries that we bootstrap.
1725 bootstrap_target_libs=,target-libgcc,
1727 # Figure out what language subdirectories are present.
1728 # Look if the user specified --enable-languages="..."; if not, use
1729 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1731 # NB: embedded tabs in this IF block -- do not untabify
1732 if test -d ${srcdir}/gcc; then
1733 if test x"${enable_languages+set}" != xset; then
1734 if test x"${LANGUAGES+set}" = xset; then
1735 enable_languages="${LANGUAGES}"
1736 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1738 enable_languages=all
1741 if test x"${enable_languages}" = x ||
1742 test x"${enable_languages}" = xyes;
1744 echo configure.in: --enable-languages needs at least one language argument 1>&2
1748 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1750 # 'f95' is the old name for the 'fortran' language. We issue a warning
1751 # and make the substitution.
1752 case ,${enable_languages}, in
1754 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1755 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1759 # First scan to see if an enabled language requires some other language.
1760 # We assume that a given config-lang.in will list all the language
1761 # front ends it requires, even if some are required indirectly.
1762 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1763 case ${lang_frag} in
1765 # The odd quoting in the next line works around
1766 # an apparent bug in bash 1.12 on linux.
1767 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1769 # From the config-lang.in, get $language, $lang_requires, and
1770 # $lang_requires_boot_languages.
1773 lang_requires_boot_languages=
1775 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1776 case ,${enable_languages}, in
1780 echo " \`$other' language required by \`$language'; enabling" 1>&2
1781 enable_languages="${enable_languages},${other}"
1785 for other in ${lang_requires_boot_languages} ; do
1786 if test "$other" != "c"; then
1787 case ,${enable_stage1_languages}, in
1791 case ,${enable_languages}, in
1793 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1794 enable_stage1_languages="$enable_stage1_languages,${other}"
1805 new_enable_languages=,c,
1807 # If LTO is enabled, add the LTO front end.
1808 extra_host_libiberty_configure_flags=
1809 if test "$enable_lto" = "yes" ; then
1810 case ,${enable_languages}, in
1812 *) enable_languages="${enable_languages},lto" ;;
1814 if test "${build_lto_plugin}" = "yes" ; then
1815 configdirs="$configdirs lto-plugin"
1816 extra_host_libiberty_configure_flags=--enable-shared
1819 AC_SUBST(extra_host_libiberty_configure_flags)
1821 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1822 potential_languages=,c,
1824 enabled_target_libs=
1825 disabled_target_libs=
1827 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1828 case ${lang_frag} in
1830 # The odd quoting in the next line works around
1831 # an apparent bug in bash 1.12 on linux.
1832 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1834 # From the config-lang.in, get $language, $target_libs,
1835 # $lang_dirs, $boot_language, and $build_by_default
1841 build_by_default=yes
1843 if test x${language} = x; then
1844 echo "${lang_frag} doesn't set \$language." 1>&2
1848 if test "$language" = "c++" \
1849 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1853 case ,${enable_languages}, in
1855 # Language was explicitly selected; include it.
1859 # 'all' was selected, select it if it is a default language
1860 add_this_lang=${build_by_default}
1867 # Disable languages that need other directories if these aren't available.
1868 for i in $subdir_requires; do
1869 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1870 case ,${enable_languages}, in
1872 # Specifically requested language; tell them.
1873 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1877 add_this_lang=unsupported
1882 # Disable Ada if no preexisting GNAT is available.
1883 case ,${enable_languages},:${language}:${have_gnat} in
1884 *,${language},*:ada:no)
1885 # Specifically requested language; tell them.
1886 AC_MSG_ERROR([GNAT is required to build $language])
1890 add_this_lang=unsupported
1894 # Disable a language that is unsupported by the target.
1895 case " $unsupported_languages " in
1897 add_this_lang=unsupported
1901 case $add_this_lang in
1903 # Remove language-dependent dirs.
1904 disabled_target_libs="$disabled_target_libs $target_libs"
1905 noconfigdirs="$noconfigdirs $lang_dirs"
1908 # Remove language-dependent dirs; still show language as supported.
1909 disabled_target_libs="$disabled_target_libs $target_libs"
1910 noconfigdirs="$noconfigdirs $lang_dirs"
1911 potential_languages="${potential_languages}${language},"
1914 new_enable_languages="${new_enable_languages}${language},"
1915 potential_languages="${potential_languages}${language},"
1916 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1917 enabled_target_libs="$enabled_target_libs $target_libs"
1918 case "${boot_language}:,$enable_stage1_languages," in
1919 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1920 # Add to (comma-separated) list of stage 1 languages.
1921 case ",$stage1_languages," in
1922 *,$language,* | ,yes, | ,all,) ;;
1923 *) stage1_languages="${stage1_languages}${language}," ;;
1925 # We need to bootstrap any supporting libraries.
1926 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1935 # Add target libraries which are only needed for disabled languages
1937 if test -n "$disabled_target_libs"; then
1938 for dir in $disabled_target_libs; do
1939 case " $enabled_target_libs " in
1941 *) noconfigdirs="$noconfigdirs $dir" ;;
1946 AC_ARG_ENABLE(stage1-languages,
1947 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1948 [choose additional languages to build during
1949 stage1. Mostly useful for compiler development])],
1950 [case ,${enable_stage1_languages}, in
1952 # Set it to something that will have no effect in the loop below
1953 enable_stage1_languages=c ;;
1955 enable_stage1_languages=`echo $new_enable_languages | \
1956 sed -e "s/^,//" -e "s/,$//" ` ;;
1958 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1959 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1962 # Add "good" languages from enable_stage1_languages to stage1_languages,
1963 # while "bad" languages go in missing_languages. Leave no duplicates.
1964 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1965 case $potential_languages in
1967 case $stage1_languages in
1969 *) stage1_languages="$stage1_languages$i," ;;
1972 case $missing_languages in
1974 *) missing_languages="$missing_languages$i," ;;
1979 # Remove leading/trailing commas that were added for simplicity
1980 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1981 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1982 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1983 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1985 if test "x$missing_languages" != x; then
1987 The following requested languages could not be built: ${missing_languages}
1988 Supported languages are: ${potential_languages}])
1990 if test "x$new_enable_languages" != "x$enable_languages"; then
1991 echo The following languages will be built: ${new_enable_languages}
1992 enable_languages="$new_enable_languages"
1995 AC_SUBST(stage1_languages)
1996 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1999 # Handle --disable-<component> generically.
2000 for dir in $configdirs $build_configdirs $target_configdirs ; do
2001 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2002 varname=`echo $dirname | sed -e s/+/_/g`
2003 if eval test x\${enable_${varname}} "=" xno ; then
2004 noconfigdirs="$noconfigdirs $dir"
2008 # Check for Boehm's garbage collector
2009 AC_ARG_ENABLE(objc-gc,
2010 [AS_HELP_STRING([--enable-objc-gc],
2011 [enable use of Boehm's garbage collector with the
2012 GNU Objective-C runtime])],
2013 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2014 *,objc,*:*:yes:*target-boehm-gc*)
2015 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2019 # Make sure we only build Boehm's garbage collector if required.
2020 case ,${enable_languages},:${enable_objc_gc} in
2022 # Keep target-boehm-gc if requested for Objective-C.
2025 # Otherwise remove target-boehm-gc depending on target-libjava.
2026 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2027 noconfigdirs="$noconfigdirs target-boehm-gc"
2032 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2033 # $build_configdirs and $target_configdirs.
2034 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2037 for dir in . $skipdirs $noconfigdirs ; do
2038 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2039 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2040 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2041 if test -r $srcdir/$dirname/configure ; then
2042 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2045 notsupp="$notsupp $dir"
2049 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2050 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2051 if test -r $srcdir/$dirname/configure ; then
2052 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2055 notsupp="$notsupp $dir"
2059 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2060 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2061 if test -r $srcdir/$dirname/configure ; then
2062 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2065 notsupp="$notsupp $dir"
2071 # Sometimes the tools are distributed with libiberty but with no other
2072 # libraries. In that case, we don't want to build target-libiberty.
2073 # Don't let libgcc imply libiberty either.
2074 if test -n "${target_configdirs}" ; then
2077 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2078 if test "$i" = "libgcc"; then
2079 libgcc=target-libgcc
2080 elif test "$i" != "libiberty" ; then
2081 if test -r $srcdir/$i/configure ; then
2087 if test -z "${others}" ; then
2088 target_configdirs=$libgcc
2092 # Quietly strip out all directories which aren't configurable in this tree.
2093 # This relies on all configurable subdirectories being autoconfiscated, which
2095 build_configdirs_all="$build_configdirs"
2097 for i in ${build_configdirs_all} ; do
2098 j=`echo $i | sed -e s/build-//g`
2099 if test -f ${srcdir}/$j/configure ; then
2100 build_configdirs="${build_configdirs} $i"
2104 configdirs_all="$configdirs"
2106 for i in ${configdirs_all} ; do
2107 if test -f ${srcdir}/$i/configure ; then
2108 configdirs="${configdirs} $i"
2112 target_configdirs_all="$target_configdirs"
2114 for i in ${target_configdirs_all} ; do
2115 j=`echo $i | sed -e s/target-//g`
2116 if test -f ${srcdir}/$j/configure ; then
2117 target_configdirs="${target_configdirs} $i"
2121 # Produce a warning message for the subdirs we can't configure.
2122 # This isn't especially interesting in the Cygnus tree, but in the individual
2123 # FSF releases, it's important to let people know when their machine isn't
2124 # supported by the one or two programs in a package.
2126 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2127 # If $appdirs is non-empty, at least one of those directories must still
2128 # be configured, or we error out. (E.g., if the gas release supports a
2129 # specified target in some subdirs but not the gas subdir, we shouldn't
2130 # pretend that all is well.)
2131 if test -n "$appdirs" ; then
2132 for dir in $appdirs ; do
2133 if test -r $dir/Makefile.in ; then
2134 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2138 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2144 if test -n "$appdirs" ; then
2145 echo "*** This configuration is not supported by this package." 1>&2
2149 # Okay, some application will build, or we don't care to check. Still
2150 # notify of subdirs not getting built.
2151 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2152 echo " ${notsupp}" 1>&2
2153 echo " (Any other directories should still work fine.)" 1>&2
2161 # To find our prefix, in gcc_cv_tool_prefix.
2166 AC_ARG_WITH([build-sysroot],
2167 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2168 [use sysroot as the system root during the build])],
2169 [if test x"$withval" != x ; then
2170 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2172 [SYSROOT_CFLAGS_FOR_TARGET=])
2173 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2175 AC_ARG_WITH([debug-prefix-map],
2176 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2177 [map A to B, C to D ... in debug information])],
2178 [if test x"$withval" != x; then
2179 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2180 for debug_map in $withval; do
2181 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2184 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2185 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2187 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2188 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2189 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2190 # We want to ensure that TARGET libraries (which we know are built with
2191 # gcc) are built with "-O2 -g", so include those options when setting
2192 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2193 if test "x$CFLAGS_FOR_TARGET" = x; then
2194 CFLAGS_FOR_TARGET=$CFLAGS
2197 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2200 *" -g "* | *" -g3 "*) ;;
2201 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2204 AC_SUBST(CFLAGS_FOR_TARGET)
2206 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2207 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2208 case " $CXXFLAGS " in
2210 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2212 case " $CXXFLAGS " in
2213 *" -g "* | *" -g3 "*) ;;
2214 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2217 AC_SUBST(CXXFLAGS_FOR_TARGET)
2219 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2220 # the named directory are copied to $(tooldir)/sys-include.
2221 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2222 if test x${is_cross_compiler} = xno ; then
2223 echo 1>&2 '***' --with-headers is only supported when cross compiling
2226 if test x"${with_headers}" != xyes ; then
2227 x=${gcc_cv_tool_prefix}
2228 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2232 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2233 # the name directories are copied to $(tooldir)/lib. Multiple directories
2235 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2236 if test x${is_cross_compiler} = xno ; then
2237 echo 1>&2 '***' --with-libs is only supported when cross compiling
2240 if test x"${with_libs}" != xyes ; then
2241 # Copy the libraries in reverse order, so that files in the first named
2242 # library override files in subsequent libraries.
2243 x=${gcc_cv_tool_prefix}
2244 for l in ${with_libs}; do
2245 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2250 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2252 # This is done by determining whether or not the appropriate directory
2253 # is available, and by checking whether or not specific configurations
2254 # have requested that this magic not happen.
2256 # The command line options always override the explicit settings in
2257 # configure.in, and the settings in configure.in override this magic.
2259 # If the default for a toolchain is to use GNU as and ld, and you don't
2260 # want to do that, then you should use the --without-gnu-as and
2261 # --without-gnu-ld options for the configure script. Similarly, if
2262 # the default is to use the included zlib and you don't want to do that,
2263 # you should use the --with-system-zlib option for the configure script.
2265 if test x${use_gnu_as} = x &&
2266 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2268 extra_host_args="$extra_host_args --with-gnu-as"
2271 if test x${use_gnu_ld} = x &&
2272 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2274 extra_host_args="$extra_host_args --with-gnu-ld"
2277 if test x${use_included_zlib} = x &&
2278 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2281 with_system_zlib=yes
2282 extra_host_args="$extra_host_args --with-system-zlib"
2285 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2286 # can detect this case.
2288 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2290 extra_host_args="$extra_host_args --with-newlib"
2293 # Handle ${copy_dirs}
2294 set fnord ${copy_dirs}
2296 while test $# != 0 ; do
2297 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2300 echo Copying $1 to $2
2302 # Use the install script to create the directory and all required
2303 # parent directories.
2304 if test -d $2 ; then
2308 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2311 # Copy the directory, assuming we have tar.
2312 # FIXME: Should we use B in the second tar? Not all systems support it.
2313 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2315 # It is the responsibility of the user to correctly adjust all
2316 # symlinks. If somebody can figure out how to handle them correctly
2317 # here, feel free to add the code.
2324 # Determine a target-dependent exec_prefix that the installed
2325 # gcc will search in. Keep this list sorted by triplet, with
2326 # the *-*-osname triplets last.
2329 i[[34567]]86-pc-msdosdjgpp*)
2330 md_exec_prefix=/dev/env/DJDIR/bin
2335 md_exec_prefix=/usr/ccs/bin
2339 extra_arflags_for_target=
2340 extra_nmflags_for_target=
2341 extra_ranlibflags_for_target=
2342 target_makefile_frag=/dev/null
2345 target_makefile_frag="config/mt-spu"
2348 target_makefile_frag="config/mt-sde"
2350 mipsisa*-*-elfoabi*)
2351 target_makefile_frag="config/mt-mips-elfoabi"
2353 mips*-*-*linux* | mips*-*-gnu*)
2354 target_makefile_frag="config/mt-mips-gnu"
2356 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2357 target_makefile_frag="config/mt-gnu"
2359 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2360 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2361 # commands to handle both 32-bit and 64-bit objects. These flags are
2362 # harmless if we're using GNU nm or ar.
2363 extra_arflags_for_target=" -X32_64"
2364 extra_nmflags_for_target=" -B -X32_64"
2367 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2368 extra_ranlibflags_for_target=" -c"
2372 alphaieee_frag=/dev/null
2375 # This just makes sure to use the -mieee option to build target libs.
2376 # This should probably be set individually by each library.
2377 alphaieee_frag="config/mt-alphaieee"
2381 # If --enable-target-optspace always use -Os instead of -O2 to build
2382 # the target libraries, similarly if it is not specified, use -Os
2383 # on selected platforms.
2384 ospace_frag=/dev/null
2385 case "${enable_target_optspace}:${target}" in
2387 ospace_frag="config/mt-ospace"
2390 ospace_frag="config/mt-d30v"
2392 :m32r-* | :d10v-* | :fr30-*)
2393 ospace_frag="config/mt-ospace"
2398 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2402 # Default to using --with-stabs for certain targets.
2403 if test x${with_stabs} = x ; then
2405 mips*-*-irix[[56]]*)
2407 mips*-*-* | alpha*-*-osf*)
2409 extra_host_args="${extra_host_args} --with-stabs"
2414 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2415 # them automatically.
2418 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2422 # Some systems (e.g., one of the i386-aix systems the gas testers are
2423 # using) don't handle "\$" correctly, so don't use it here.
2424 tooldir='${exec_prefix}'/${target_noncanonical}
2425 build_tooldir=${tooldir}
2427 # Create a .gdbinit file which runs the one in srcdir
2428 # and tells GDB to look there for source files.
2430 if test -r ${srcdir}/.gdbinit ; then
2433 *) cat > ./.gdbinit <<EOF
2437 source ${srcdir}/.gdbinit
2443 # Make sure that the compiler is able to generate an executable. If it
2444 # can't, we are probably in trouble. We don't care whether we can run the
2445 # executable--we might be using a cross compiler--we only care whether it
2446 # can be created. At this point the main configure script has set CC.
2448 echo "int main () { return 0; }" > conftest.c
2449 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2450 if test $? = 0 ; then
2451 if test -s conftest || test -s conftest.exe ; then
2457 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2458 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2465 # The Solaris /usr/ucb/cc compiler does not appear to work.
2467 sparc-sun-solaris2*)
2468 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2469 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2471 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2472 if test -d /opt/cygnus/bin ; then
2473 if test "$could_use" = "" ; then
2474 could_use="/opt/cygnus/bin"
2476 could_use="$could_use or /opt/cygnus/bin"
2479 if test "$could_use" = "" ; then
2480 echo "Warning: compilation may fail because you're using"
2481 echo "/usr/ucb/cc. You should change your PATH or CC "
2482 echo "variable and rerun configure."
2484 echo "Warning: compilation may fail because you're using"
2485 echo "/usr/ucb/cc, when you should use the C compiler from"
2486 echo "$could_use. You should change your"
2487 echo "PATH or CC variable and rerun configure."
2493 # Decide which environment variable is used to find dynamic libraries.
2495 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2496 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2497 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2498 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2501 # On systems where the dynamic library environment variable is PATH,
2502 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2503 # built executables to PATH.
2504 if test "$RPATH_ENVVAR" = PATH; then
2505 GCC_SHLIB_SUBDIR=/shlib
2510 # Record target_configdirs and the configure arguments for target and
2511 # build configuration in Makefile.
2512 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2513 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2515 # If we are building libgomp, bootstrap it.
2516 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2517 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2520 # Determine whether gdb needs tk/tcl or not.
2521 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2522 # and in that case we want gdb to be built without tk. Ugh!
2523 # In fact I believe gdb is the *only* package directly dependent on tk,
2524 # so we should be able to put the 'maybe's in unconditionally and
2525 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2526 # 100% sure that that's safe though.
2528 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2529 case "$enable_gdbtk" in
2533 GDB_TK="${gdb_tk}" ;;
2535 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2536 # distro. Eventually someone will fix this and move Insight, nee
2537 # gdbtk to a separate directory.
2538 if test -d ${srcdir}/gdb/gdbtk ; then
2545 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2546 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2548 # Strip out unwanted targets.
2550 # While at that, we remove Makefiles if we were started for recursive
2551 # configuration, so that the top-level Makefile reconfigures them,
2552 # like we used to do when configure itself was recursive.
2554 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2555 # but now we're fixing up the Makefile ourselves with the additional
2556 # commands passed to AC_CONFIG_FILES. Use separate variables
2557 # extrasub-{build,host,target} not because there is any reason to split
2558 # the substitutions up that way, but only to remain below the limit of
2559 # 99 commands in a script, for HP-UX sed.
2560 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2562 AC_ARG_ENABLE([bootstrap],
2563 [AS_HELP_STRING([--enable-bootstrap],
2564 [enable bootstrapping @<:@yes if native build@:>@])],,
2565 enable_bootstrap=default)
2567 # Issue errors and warnings for invalid/strange bootstrap combinations.
2568 case "$configdirs" in
2569 *gcc*) have_compiler=yes ;;
2570 *) have_compiler=no ;;
2573 case "$have_compiler:$host:$target:$enable_bootstrap" in
2576 # Default behavior. Enable bootstrap if we have a compiler
2577 # and we are in a native configuration.
2578 yes:$build:$build:default)
2579 enable_bootstrap=yes ;;
2582 enable_bootstrap=no ;;
2584 # We have a compiler and we are in a native configuration, bootstrap is ok
2585 yes:$build:$build:yes)
2588 # Other configurations, but we have a compiler. Assume the user knows
2591 AC_MSG_WARN([trying to bootstrap a cross compiler])
2594 # No compiler: if they passed --enable-bootstrap explicitly, fail
2596 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2598 # Fail if wrong command line
2600 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2604 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2607 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2611 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2612 yes:yes:*\ gold\ *:*,c++,*) ;;
2613 yes:yes:*\ gold\ *:*)
2614 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2618 # Adjust the toplevel makefile according to whether bootstrap was selected.
2619 case $enable_bootstrap in
2621 bootstrap_suffix=bootstrap
2622 BUILD_CONFIG=bootstrap-debug
2625 bootstrap_suffix=no-bootstrap
2630 AC_MSG_CHECKING(for default BUILD_CONFIG)
2632 AC_ARG_WITH([build-config],
2633 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2634 [use config/NAME.mk build configuration])],
2635 [case $with_build_config in
2636 yes) with_build_config= ;;
2637 no) with_build_config= BUILD_CONFIG= ;;
2640 if test "x${with_build_config}" != x; then
2641 BUILD_CONFIG=$with_build_config
2643 case $BUILD_CONFIG in
2645 if echo "int f (void) { return 0; }" > conftest.c &&
2646 ${CC} -c conftest.c &&
2647 mv conftest.o conftest.o.g0 &&
2648 ${CC} -c -g conftest.c &&
2649 mv conftest.o conftest.o.g &&
2650 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2655 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2659 AC_MSG_RESULT($BUILD_CONFIG)
2660 AC_SUBST(BUILD_CONFIG)
2663 for module in ${build_configdirs} ; do
2664 if test -z "${no_recursion}" \
2665 && test -f ${build_subdir}/${module}/Makefile; then
2666 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2667 rm -f ${build_subdir}/${module}/Makefile
2669 extrasub_build="$extrasub_build
2670 /^@if build-$module\$/d
2671 /^@endif build-$module\$/d
2672 /^@if build-$module-$bootstrap_suffix\$/d
2673 /^@endif build-$module-$bootstrap_suffix\$/d"
2676 for module in ${configdirs} ; do
2677 if test -z "${no_recursion}"; then
2678 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2679 if test -f ${file}; then
2680 echo 1>&2 "*** removing ${file} to force reconfigure"
2685 extrasub_host="$extrasub_host
2687 /^@endif $module\$/d
2688 /^@if $module-$bootstrap_suffix\$/d
2689 /^@endif $module-$bootstrap_suffix\$/d"
2692 for module in ${target_configdirs} ; do
2693 if test -z "${no_recursion}" \
2694 && test -f ${target_subdir}/${module}/Makefile; then
2695 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2696 rm -f ${target_subdir}/${module}/Makefile
2699 # We only bootstrap target libraries listed in bootstrap_target_libs.
2700 case $bootstrap_target_libs in
2701 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2702 *) target_bootstrap_suffix=no-bootstrap ;;
2705 extrasub_target="$extrasub_target
2706 /^@if target-$module\$/d
2707 /^@endif target-$module\$/d
2708 /^@if target-$module-$target_bootstrap_suffix\$/d
2709 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2712 # Do the final fixup along with target modules.
2713 extrasub_target="$extrasub_target
2714 /^@if /,/^@endif /d"
2716 # Create the serialization dependencies. This uses a temporary file.
2718 AC_ARG_ENABLE([serial-configure],
2719 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2720 [force sequential configuration of
2721 sub-packages for the host, target or build
2722 machine, or all sub-packages])])
2724 case ${enable_serial_configure} in
2726 enable_serial_build_configure=yes
2727 enable_serial_host_configure=yes
2728 enable_serial_target_configure=yes
2732 # These force 'configure's to be done one at a time, to avoid problems
2733 # with contention over a shared config.cache.
2735 echo '# serdep.tmp' > serdep.tmp
2737 test "x${enable_serial_build_configure}" = xyes &&
2738 for item in ${build_configdirs} ; do
2741 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2746 test "x${enable_serial_host_configure}" = xyes &&
2747 for item in ${configdirs} ; do
2750 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2755 test "x${enable_serial_target_configure}" = xyes &&
2756 for item in ${target_configdirs} ; do
2759 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2763 serialization_dependencies=serdep.tmp
2764 AC_SUBST_FILE(serialization_dependencies)
2766 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2767 # target, nonopt, and variable assignments. These are the ones we
2768 # might not want to pass down to subconfigures. The exception being
2769 # --cache-file=/dev/null, which is used to turn off the use of cache
2770 # files altogether, and which should be passed on to subconfigures.
2771 # Also strip program-prefix, program-suffix, and program-transform-name,
2772 # so that we can pass down a consistent program-transform-name.
2777 eval "set -- $ac_configure_args"
2780 if test X"$skip_next" = X"yes"; then
2784 if test X"$keep_next" = X"yes"; then
2787 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2789 baseargs="$baseargs '$ac_arg'"
2790 tbaseargs="$tbaseargs '$ac_arg'"
2795 # Handle separated arguments. Based on the logic generated by
2798 *=* | --config-cache | -C | -disable-* | --disable-* \
2799 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2800 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2801 | -with-* | --with-* | -without-* | --without-* | --x)
2815 --with-* | --without-*)
2816 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2820 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2823 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2832 mpc | mpfr | gmp | ppl | cloog)
2833 # If we're processing --with-$lib, --with-$lib-include or
2834 # --with-$lib-lib, for one of the libs above, and target is
2835 # different from host, don't pass the current argument to any
2836 # target library's configure.
2837 if test x$is_cross_compiler = xyes; then
2846 --cache-file=/dev/null | \
2847 -cache-file=/dev/null )
2848 # Handled here to avoid the test to skip args below.
2849 baseargs="$baseargs '$ac_arg'"
2850 tbaseargs="$tbaseargs '$ac_arg'"
2851 # Assert: $separate_arg should always be no.
2852 keep_next=$separate_arg
2868 -program-prefix* | \
2869 -program-suffix* | \
2870 -program-transform-name* )
2871 skip_next=$separate_arg
2875 # An option. Add it.
2878 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2880 baseargs="$baseargs '$ac_arg'"
2881 if test X"$skip_targ" = Xno; then
2882 tbaseargs="$tbaseargs '$ac_arg'"
2884 keep_next=$separate_arg
2887 # Either a variable assignment, or a nonopt (triplet). Don't
2888 # pass it down; let the Makefile handle this.
2893 # Remove the initial space we just introduced and, as these will be
2894 # expanded by make, quote '$'.
2895 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2897 # Add in --program-transform-name, after --program-prefix and
2898 # --program-suffix have been applied to it. Autoconf has already
2899 # doubled dollar signs and backslashes in program_transform_name; we want
2900 # the backslashes un-doubled, and then the entire thing wrapped in single
2901 # quotes, because this will be expanded first by make and then by the shell.
2902 # Also, because we want to override the logic in subdir configure scripts to
2903 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2904 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2905 ${program_transform_name}
2907 gcc_transform_name=`cat conftestsed.out`
2908 rm -f conftestsed.out
2909 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2910 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2911 if test "$silent" = yes; then
2912 baseargs="$baseargs --silent"
2913 tbaseargs="$tbaseargs --silent"
2915 baseargs="$baseargs --disable-option-checking"
2916 tbaseargs="$tbaseargs --disable-option-checking"
2918 # Record and document user additions to sub configure arguments.
2919 AC_ARG_VAR([build_configargs],
2920 [additional configure arguments for build directories])
2921 AC_ARG_VAR([host_configargs],
2922 [additional configure arguments for host directories])
2923 AC_ARG_VAR([target_configargs],
2924 [additional configure arguments for target directories])
2926 # For the build-side libraries, we just need to pretend we're native,
2927 # and not use the same cache file. Multilibs are neither needed nor
2929 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2931 # For host modules, accept cache file option, or specification as blank.
2932 case "${cache_file}" in
2934 cache_file_option="" ;;
2935 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2936 cache_file_option="--cache-file=${cache_file}" ;;
2938 cache_file_option="--cache-file=../${cache_file}" ;;
2941 # Host dirs don't like to share a cache file either, horribly enough.
2942 # This seems to be due to autoconf 2.5x stupidity.
2943 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2945 target_configargs="$target_configargs ${tbaseargs}"
2947 # Passing a --with-cross-host argument lets the target libraries know
2948 # whether they are being built with a cross-compiler or being built
2949 # native. However, it would be better to use other mechanisms to make the
2950 # sorts of decisions they want to make on this basis. Please consider
2951 # this option to be deprecated. FIXME.
2952 if test x${is_cross_compiler} = xyes ; then
2953 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2956 # Default to --enable-multilib.
2957 if test x${enable_multilib} = x ; then
2958 target_configargs="--enable-multilib ${target_configargs}"
2961 # Pass --with-newlib if appropriate. Note that target_configdirs has
2962 # changed from the earlier setting of with_newlib.
2963 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2964 target_configargs="--with-newlib ${target_configargs}"
2967 # Different target subdirs use different values of certain variables
2968 # (notably CXX). Worse, multilibs use *lots* of different values.
2969 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2970 # it doesn't automatically accept command-line overrides of them.
2971 # This means it's not safe for target subdirs to share a cache file,
2972 # which is disgusting, but there you have it. Hopefully this can be
2973 # fixed in future. It's still worthwhile to use a cache file for each
2974 # directory. I think.
2976 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2977 # We need to pass --target, as newer autoconf's requires consistency
2978 # for target_alias and gcc doesn't manage it consistently.
2979 target_configargs="--cache-file=./config.cache ${target_configargs}"
2982 case " $target_configdirs " in
2984 case " $target_configargs " in
2985 *" --with-newlib "*)
2988 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 $$s/winsup/w32api/include'
2992 # If we're not building GCC, don't discard standard headers.
2993 if test -d ${srcdir}/gcc; then
2994 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2996 if test "${build}" != "${host}"; then
2997 # On Canadian crosses, CC_FOR_TARGET will have already been set
2998 # by `configure', so we won't have an opportunity to add -Bgcc/
2999 # to it. This is right: we don't want to search that directory
3000 # for binaries, but we want the header files in there, so add
3002 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3004 # Someone might think of using the pre-installed headers on
3005 # Canadian crosses, in case the installed compiler is not fully
3006 # compatible with the compiler being built. In this case, it
3007 # would be better to flag an error than risking having
3008 # incompatible object files being constructed. We can't
3009 # guarantee that an error will be flagged, but let's hope the
3010 # compiler will do it, when presented with incompatible header
3015 case "${target}-${is_cross_compiler}" in
3016 i[[3456789]]86-*-linux*-no)
3017 # Here host == target, so we don't need to build gcc,
3018 # so we don't want to discard standard headers.
3019 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3022 # If we're building newlib, use its generic headers last, but search
3023 # for any libc-related directories first (so make it the last -B
3025 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3027 # If we're building libgloss, find the startup file, simulator library
3028 # and linker script.
3029 case " $target_configdirs " in
3031 # Look for startup file, simulator library and maybe linker script.
3032 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3033 # Look for libnosys.a in case the target needs it.
3034 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3035 # Most targets have the linker script in the source directory.
3036 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3047 x86_64-*mingw* | *-w64-mingw*)
3048 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3049 # however, use a symlink named 'mingw' in ${prefix} .
3050 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3053 # MinGW can't be handled as Cygwin above since it does not use newlib.
3054 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3058 # Allow the user to override the flags for
3059 # our build compiler if desired.
3060 if test x"${build}" = x"${host}" ; then
3061 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3062 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3063 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3066 # On Canadian crosses, we'll be searching the right directories for
3067 # the previously-installed cross compiler, so don't bother to add
3068 # flags for directories within the install tree of the compiler
3069 # being built; programs in there won't even run.
3070 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3071 # Search for pre-installed headers if nothing else fits.
3072 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3075 if test "x${use_gnu_ld}" = x &&
3076 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3077 # Arrange for us to find uninstalled linker scripts.
3078 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3081 # Search for other target-specific linker scripts and such.
3084 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3088 # Makefile fragments.
3089 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3091 eval fragval=\$$frag
3092 if test $fragval != /dev/null; then
3093 eval $frag=${srcdir}/$fragval
3096 AC_SUBST_FILE(host_makefile_frag)
3097 AC_SUBST_FILE(target_makefile_frag)
3098 AC_SUBST_FILE(alphaieee_frag)
3099 AC_SUBST_FILE(ospace_frag)
3101 # Miscellanea: directories, flags, etc.
3102 AC_SUBST(RPATH_ENVVAR)
3103 AC_SUBST(GCC_SHLIB_SUBDIR)
3105 AC_SUBST(build_tooldir)
3106 AC_SUBST(CONFIGURE_GDB_TK)
3108 AC_SUBST(INSTALL_GDB_TK)
3110 # Build module lists & subconfigure args.
3111 AC_SUBST(build_configargs)
3112 AC_SUBST(build_configdirs)
3114 # Host module lists & subconfigure args.
3115 AC_SUBST(host_configargs)
3116 AC_SUBST(configdirs)
3117 AC_SUBST(target_configdirs)
3119 # Target module lists & subconfigure args.
3120 AC_SUBST(target_configargs)
3124 AC_SUBST(AR_FOR_BUILD)
3125 AC_SUBST(AS_FOR_BUILD)
3126 AC_SUBST(CC_FOR_BUILD)
3127 AC_SUBST(CFLAGS_FOR_BUILD)
3128 AC_SUBST(CXXFLAGS_FOR_BUILD)
3129 AC_SUBST(CXX_FOR_BUILD)
3130 AC_SUBST(DLLTOOL_FOR_BUILD)
3131 AC_SUBST(GCJ_FOR_BUILD)
3132 AC_SUBST(GFORTRAN_FOR_BUILD)
3133 AC_SUBST(GOC_FOR_BUILD)
3134 AC_SUBST(LDFLAGS_FOR_BUILD)
3135 AC_SUBST(LD_FOR_BUILD)
3136 AC_SUBST(NM_FOR_BUILD)
3137 AC_SUBST(RANLIB_FOR_BUILD)
3138 AC_SUBST(WINDMC_FOR_BUILD)
3139 AC_SUBST(WINDRES_FOR_BUILD)
3141 # Generate default definitions for YACC, M4, LEX and other programs that run
3142 # on the build machine. These are used if the Makefile can't locate these
3143 # programs in objdir.
3144 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3146 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3147 case " $build_configdirs " in
3148 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3151 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3152 case " $build_configdirs " in
3153 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3156 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3157 case " $build_configdirs " in
3158 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3161 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3162 case " $build_configdirs " in
3163 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3164 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3167 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3168 case " $build_configdirs " in
3169 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3172 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3173 case " $build_configdirs " in
3174 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3177 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3178 # higher, else we use the "missing" dummy.
3179 if ${MAKEINFO} --version \
3180 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3183 MAKEINFO="$MISSING makeinfo"
3189 # FIXME: expect and dejagnu may become build tools?
3191 AC_CHECK_PROGS(EXPECT, expect, expect)
3192 case " $configdirs " in
3194 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3198 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3199 case " $configdirs " in
3201 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3207 NCN_STRICT_CHECK_TOOLS(AR, ar)
3208 NCN_STRICT_CHECK_TOOLS(AS, as)
3209 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3210 NCN_STRICT_CHECK_TOOLS(LD, ld)
3211 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3212 NCN_STRICT_CHECK_TOOLS(NM, nm)
3213 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3214 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3215 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3216 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3217 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3218 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3225 AC_ARG_WITH([build-time-tools],
3226 [AS_HELP_STRING([--with-build-time-tools=PATH],
3227 [use given path to find target tools during the build])],
3228 [case x"$withval" in
3231 with_build_time_tools=
3232 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3235 [with_build_time_tools=])
3237 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3238 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3239 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3240 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3241 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3242 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3244 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3245 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3246 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3247 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3248 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3249 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3250 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3251 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3252 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3253 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3254 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3256 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3258 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3259 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3260 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3261 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3262 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3263 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3265 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3266 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3268 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3269 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3270 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3271 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3272 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3273 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3274 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3275 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3276 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3277 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3278 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3279 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3280 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3281 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3282 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3283 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3285 AC_SUBST(FLAGS_FOR_TARGET)
3286 AC_SUBST(RAW_CXX_FOR_TARGET)
3288 # Certain tools may need extra flags.
3289 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3290 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3291 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3293 # When building target libraries, except in a Canadian cross, we use
3294 # the same toolchain as the compiler we just built.
3295 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3296 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3297 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3298 if test $host = $build; then
3299 case " $configdirs " in
3301 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3302 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3303 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3308 AC_SUBST(COMPILER_AS_FOR_TARGET)
3309 AC_SUBST(COMPILER_LD_FOR_TARGET)
3310 AC_SUBST(COMPILER_NM_FOR_TARGET)
3312 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3313 AC_ARG_ENABLE(maintainer-mode,
3314 [AS_HELP_STRING([--enable-maintainer-mode],
3315 [enable make rules and dependencies not useful
3316 (and sometimes confusing) to the casual installer])],
3317 USE_MAINTAINER_MODE=$enableval,
3318 USE_MAINTAINER_MODE=no)
3319 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3320 AC_SUBST(MAINTAINER_MODE_TRUE)
3321 AC_SUBST(MAINTAINER_MODE_FALSE)
3322 if test "$USE_MAINTAINER_MODE" = yes; then
3323 MAINTAINER_MODE_TRUE=
3324 MAINTAINER_MODE_FALSE='#'
3326 MAINTAINER_MODE_TRUE='#'
3327 MAINTAINER_MODE_FALSE=
3329 MAINT=$MAINTAINER_MODE_TRUE
3332 # ---------------------
3333 # GCC bootstrap support
3334 # ---------------------
3336 # Stage specific cflags for build.
3341 yes) stage1_cflags="-g -Wa,-J" ;;
3342 *) stage1_cflags="-g -J" ;;
3346 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3347 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3348 saved_CFLAGS="$CFLAGS"
3350 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3351 CFLAGS="$CFLAGS -fkeep-inline-functions"
3352 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3354 #if (__GNUC__ < 3) \
3355 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3356 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3357 #error http://gcc.gnu.org/PR29382
3360 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3361 [AC_MSG_RESULT([no])])
3363 CFLAGS="$saved_CFLAGS"
3366 AC_SUBST(stage1_cflags)
3368 # Enable --enable-checking in stage1 of the compiler.
3369 AC_ARG_ENABLE(stage1-checking,
3370 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3371 [choose additional checking for stage1 of the compiler])],
3372 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3373 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3374 stage1_checking=--enable-checking=yes,types
3376 stage1_checking=--enable-checking=$enable_checking,types
3378 AC_SUBST(stage1_checking)
3380 # Enable -Werror in bootstrap stage2 and later.
3381 AC_ARG_ENABLE(werror,
3382 [AS_HELP_STRING([--enable-werror],
3383 [enable -Werror in bootstrap stage2 and later])], [],
3384 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3389 case ${enable_werror} in
3390 yes) stage2_werror_flag="--enable-werror-always" ;;
3391 *) stage2_werror_flag="" ;;
3393 AC_SUBST(stage2_werror_flag)
3395 # Specify what files to not compare during bootstrap.
3397 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3399 hppa*64*-*-hpux*) ;;
3400 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3402 case " $configdirs " in
3403 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3405 AC_SUBST(compare_exclusions)
3407 AC_CONFIG_FILES([Makefile],
3408 [sed "$extrasub_build" Makefile |
3409 sed "$extrasub_host" |
3410 sed "$extrasub_target" > mf$$
3411 mv -f mf$$ Makefile],
3412 [extrasub_build="$extrasub_build"
3413 extrasub_host="$extrasub_host"
3414 extrasub_target="$extrasub_target"])