1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### 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)
152 # Note that libiberty is not a target library.
153 target_libraries="target-libgcc \
159 target-libstdc++-v3 \
170 # these tools are built using the target libraries, and are intended to
171 # run only in the target environment
173 # note: any program that *uses* libraries that are in the "target_libraries"
174 # list belongs in this list.
176 target_tools="target-rda"
178 ################################################################################
180 ## All tools belong in one of the four categories, and are assigned above
181 ## We assign ${configdirs} this way to remove all embedded newlines. This
182 ## is important because configure will choke if they ever get through.
183 ## ${configdirs} is directories we build using the host tools.
184 ## ${target_configdirs} is directories we build using the target tools.
185 configdirs=`echo ${host_libs} ${host_tools}`
186 target_configdirs=`echo ${target_libraries} ${target_tools}`
187 build_configdirs=`echo ${build_libs} ${build_tools}`
189 m4_divert_text([PARSE_ARGS],
192 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
193 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
194 m4_popdef([AS_MESSAGE_LOG_FD])dnl
197 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
200 ################################################################################
202 srcname="gnu development package"
204 # This gets set non-empty for some net releases of packages.
207 # Define is_cross_compiler to save on calls to 'test'.
209 if test x"${host}" = x"${target}" ; then
212 is_cross_compiler=yes
215 # Find the build and target subdir names.
217 # Be sure to cover against remnants of an in-tree build.
218 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
219 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
220 Use a pristine source tree when building in a separate tree])
223 # Skipdirs are removed silently.
225 # Noconfigdirs are removed loudly.
229 # Make sure we don't let GNU ld be added if we didn't want it.
230 if test x$with_gnu_ld = xno ; then
232 noconfigdirs="$noconfigdirs ld gold"
236 # Make sure we don't let GNU as be added if we didn't want it.
237 if test x$with_gnu_as = xno ; then
239 noconfigdirs="$noconfigdirs gas"
243 # Make sure we don't let ZLIB be added if we didn't want it.
244 if test x$with_system_zlib = xyes ; then
246 noconfigdirs="$noconfigdirs zlib"
249 # some tools are so dependent upon X11 that if we're not building with X,
250 # it's not even worth trying to configure, much less build, that tool.
253 yes | "") ;; # the default value for this tree is that X11 is available
255 skipdirs="${skipdirs} tk itcl libgui"
256 # We won't be able to build gdbtk without X.
259 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
262 # Some are only suitable for cross toolchains.
263 # Remove these if host=target.
264 cross_only="target-libgloss target-newlib target-opcodes"
266 case $is_cross_compiler in
267 no) skipdirs="${skipdirs} ${cross_only}" ;;
270 # If both --with-headers and --with-libs are specified, default to
272 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
273 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
274 if test x"${with_newlib}" = x ; then
279 # Recognize --with-newlib/--without-newlib.
280 case ${with_newlib} in
281 no) skipdirs="${skipdirs} target-newlib" ;;
282 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
285 # Handle --enable-gold, --enable-ld.
286 # --disable-gold [--enable-ld]
287 # Build only ld. Default option.
288 # --enable-gold [--enable-ld]
289 # Build both gold and ld. Install gold as "ld.gold", install ld
290 # as "ld.bfd" and "ld".
291 # --enable-gold=default [--enable-ld]
292 # Build both gold and ld. Install gold as "ld.gold" and "ld",
293 # install ld as "ld.bfd".
294 # --enable-gold[=default] --disable-ld
295 # Build only gold, which is then installed as both "ld.gold" and "ld".
296 # --enable-gold --enable-ld=default
297 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
299 # In other words, ld is default
300 # --enable-gold=default --enable-ld=default
305 [AS_HELP_STRING([[--enable-gold[=ARG]]],
306 [build gold @<:@ARG={default,yes,no}@:>@])],
307 ENABLE_GOLD=$enableval,
309 case "${ENABLE_GOLD}" in
311 # Check for ELF target.
314 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
315 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
316 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
317 | *-*-solaris2* | *-*-nto*)
319 *-*-linux*aout* | *-*-linux*oldld*)
327 if test "$is_elf" = "yes"; then
328 # Check for target supported by gold.
330 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
331 configdirs="$configdirs gold"
332 if test x${ENABLE_GOLD} = xdefault; then
343 AC_MSG_ERROR([invalid --enable-gold argument])
348 [AS_HELP_STRING([[--enable-ld[=ARG]]],
349 [build ld @<:@ARG={default,yes,no}@:>@])],
350 ENABLE_LD=$enableval,
353 case "${ENABLE_LD}" in
355 if test x${default_ld} != x; then
356 AC_MSG_ERROR([either gold or ld can be the default ld])
362 if test x${ENABLE_GOLD} != xyes; then
363 AC_MSG_WARN([neither ld nor gold are enabled])
365 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
368 AC_MSG_ERROR([invalid --enable-ld argument])
372 # Configure extra directories which are host specific
376 configdirs="$configdirs libtermcap" ;;
379 # A target can indicate whether a language isn't supported for some reason.
380 # Only spaces may be used in this macro; not newlines or tabs.
381 unsupported_languages=
383 # Remove more programs from consideration, based on the host or
384 # target this usually means that a port of the program doesn't
388 i[[3456789]]86-*-msdosdjgpp*)
389 noconfigdirs="$noconfigdirs tcl tk itcl"
394 AC_ARG_ENABLE(libquadmath,
395 AS_HELP_STRING([--disable-libquadmath],
396 [do not build libquadmath directory]),
397 ENABLE_LIBQUADMATH=$enableval,
398 ENABLE_LIBQUADMATH=yes)
399 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
400 noconfigdirs="$noconfigdirs target-libquadmath"
404 AC_ARG_ENABLE(libquadmath-support,
405 AS_HELP_STRING([--disable-libquadmath-support],
406 [disable libquadmath support for Fortran]),
407 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
408 ENABLE_LIBQUADMATH_SUPPORT=yes)
409 enable_libquadmath_support=
410 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
411 enable_libquadmath_support=no
415 AC_ARG_ENABLE(libada,
416 [AS_HELP_STRING([--enable-libada], [build libada directory])],
417 ENABLE_LIBADA=$enableval,
419 if test "${ENABLE_LIBADA}" != "yes" ; then
420 noconfigdirs="$noconfigdirs gnattools"
423 AC_ARG_ENABLE(libssp,
424 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
425 ENABLE_LIBSSP=$enableval,
428 # Save it here so that, even in case of --enable-libgcj, if the Java
429 # front-end isn't enabled, we still get libgcj disabled.
431 case $enable_libgcj in
433 # If we reset it here, it won't get added to noconfigdirs in the
434 # target-specific build rules, so it will be forcibly enabled
435 # (unless the Java language itself isn't enabled).
439 # Make sure we get it printed in the list of not supported target libs.
440 # Don't disable libffi, though, other languages use it.
441 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
442 # Clear libgcj_saved so that even if java is enabled libffi won't be
448 AC_ARG_ENABLE(static-libjava,
449 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
450 [build static libjava @<:@default=no@:>@])],
451 ENABLE_STATIC_LIBJAVA=$enableval,
452 ENABLE_STATIC_LIBJAVA=no)
453 enable_static_libjava=
454 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
455 enable_static_libjava=yes
458 if test x$enable_static_libjava != xyes ; then
459 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
461 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
463 # Disable libmudflap on some systems.
464 if test x$enable_libmudflap = x ; then
466 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
467 # Enable libmudflap by default in GNU and friends.
470 # Enable libmudflap by default in FreeBSD.
473 # Disable it by default everywhere else.
474 noconfigdirs="$noconfigdirs target-libmudflap"
479 # Disable libgomp on non POSIX hosted systems.
480 if test x$enable_libgomp = x ; then
481 # Enable libgomp by default on hosted POSIX systems.
483 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
485 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
487 *-*-solaris2* | *-*-hpux11*)
489 *-*-darwin* | *-*-aix*)
492 noconfigdirs="$noconfigdirs target-libgomp"
497 # Disable libatomic on unsupported systems.
498 if test -d ${srcdir}/libatomic; then
499 if test x$enable_libatomic = x; then
500 AC_MSG_CHECKING([for libatomic support])
501 if (srcdir=${srcdir}/libatomic; \
502 . ${srcdir}/configure.tgt; \
503 test -n "$UNSUPPORTED")
506 noconfigdirs="$noconfigdirs target-libatomic"
513 # Disable libitm on unsupported systems.
514 if test -d ${srcdir}/libitm; then
515 if test x$enable_libitm = x; then
516 AC_MSG_CHECKING([for libitm support])
517 if (srcdir=${srcdir}/libitm; \
518 . ${srcdir}/configure.tgt; \
519 test -n "$UNSUPPORTED")
522 noconfigdirs="$noconfigdirs target-libitm"
529 # Disable libssp for some systems.
532 # No hosted I/O support.
533 noconfigdirs="$noconfigdirs target-libssp"
535 powerpc-*-aix* | rs6000-*-aix*)
536 noconfigdirs="$noconfigdirs target-libssp"
539 # libssp uses a misaligned load to trigger a fault, but the RL78
540 # doesn't fault for those - instead, it gives a build-time error
541 # for explicit misaligned loads.
542 noconfigdirs="$noconfigdirs target-libssp"
546 # Disable libstdc++-v3 for some systems.
549 # VxWorks uses the Dinkumware C++ library.
550 noconfigdirs="$noconfigdirs target-libstdc++-v3"
553 # the C++ libraries don't build on top of CE's C libraries
554 noconfigdirs="$noconfigdirs target-libstdc++-v3"
557 noconfigdirs="$noconfigdirs target-libstdc++-v3"
561 # Disable Fortran for some systems.
564 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
565 unsupported_languages="$unsupported_languages fortran"
569 # Disable Java if libffi is not supported.
599 powerpc-*-aix* | rs6000-*-aix*)
603 powerpc64-*-freebsd*)
607 s390-*-* | s390x-*-*)
609 sh-*-* | sh[[34]]*-*-*)
618 unsupported_languages="$unsupported_languages java"
622 # Disable Java, libgcj or related libraries for some systems.
626 i[[3456789]]86-*-darwin*)
628 x86_64-*-darwin[[912]]*)
631 noconfigdirs="$noconfigdirs ${libgcj}"
634 noconfigdirs="$noconfigdirs ${libgcj}"
637 noconfigdirs="$noconfigdirs ${libgcj}"
640 noconfigdirs="$noconfigdirs ${libgcj}"
643 noconfigdirs="$noconfigdirs ${libgcj}"
646 noconfigdirs="$noconfigdirs ${libgcj}"
649 noconfigdirs="$noconfigdirs ${libgcj}"
652 noconfigdirs="$noconfigdirs ${libgcj}"
655 noconfigdirs="$noconfigdirs ${libgcj}"
658 noconfigdirs="$noconfigdirs target-boehm-gc"
660 cris-*-* | crisv32-*-*)
661 unsupported_languages="$unsupported_languages java"
665 *) # See PR46792 regarding target-libffi.
666 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
670 # In this case, it's because the hppa64-linux target is for
671 # the kernel only at this point and has no libc, and thus no
672 # headers, crt*.o, etc., all of which are needed by these.
673 unsupported_languages="$unsupported_languages java"
676 noconfigdirs="$noconfigdirs ${libgcj}"
681 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
682 # build on HP-UX 10.20.
683 noconfigdirs="$noconfigdirs ${libgcj}"
686 noconfigdirs="$noconfigdirs ${libgcj}"
688 i[[3456789]]86-w64-mingw*)
689 noconfigdirs="$noconfigdirs ${libgcj}"
691 i[[3456789]]86-*-mingw*)
692 noconfigdirs="$noconfigdirs ${libgcj}"
695 noconfigdirs="$noconfigdirs ${libgcj}"
698 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
701 # copied from rs6000-*-* entry
702 noconfigdirs="$noconfigdirs ${libgcj}"
705 noconfigdirs="$noconfigdirs ${libgcj}"
708 noconfigdirs="$noconfigdirs ${libgcj}"
712 # Default libgloss CPU subdirectory.
713 libgloss_dir="$target_cpu"
716 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
722 cris-*-* | crisv32-*-*)
731 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
748 # Disable newlib and libgloss for various target OSes.
751 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
753 i[[3456789]]86-*-linux*)
754 # This section makes it possible to build newlib natively on linux.
755 # If we are using a cross compiler then don't configure newlib.
756 if test x${is_cross_compiler} != xno ; then
757 noconfigdirs="$noconfigdirs target-newlib"
759 noconfigdirs="$noconfigdirs target-libgloss"
760 # If we are not using a cross compiler, do configure newlib.
761 # Note however, that newlib will only be configured in this situation
762 # if the --with-newlib option has been given, because otherwise
763 # 'target-newlib' will appear in skipdirs.
765 i[[3456789]]86-*-rdos*)
766 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
768 sh*-*-pe|mips*-*-pe|arm-wince-pe)
769 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
772 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
775 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
778 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
781 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
784 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
787 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
789 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
790 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
793 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
796 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
799 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
802 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
805 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
808 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
811 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
819 noconfigdirs="$noconfigdirs ld gas gdb gprof"
820 noconfigdirs="$noconfigdirs sim target-rda"
822 i[[3456789]]86-*-darwin*)
823 noconfigdirs="$noconfigdirs ld gprof"
824 noconfigdirs="$noconfigdirs sim target-rda"
826 x86_64-*-darwin[[912]]*)
827 noconfigdirs="$noconfigdirs ld gas gprof"
828 noconfigdirs="$noconfigdirs sim target-rda"
831 noconfigdirs="$noconfigdirs ld gas gdb gprof"
832 noconfigdirs="$noconfigdirs sim target-rda"
837 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
838 && test -f /usr/local/include/gmp.h; then
843 # Remove unsupported stuff on all kaOS configurations.
844 noconfigdirs="$noconfigdirs target-libgloss"
851 noconfigdirs="$noconfigdirs target-libgloss"
853 # The tpf target doesn't support gdb yet.
855 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
858 noconfigdirs="$noconfigdirs target-rda"
863 # ld works, but does not support shared libraries.
864 # gas doesn't generate exception information.
865 noconfigdirs="$noconfigdirs gas ld"
868 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
871 # newlib is not 64 bit ready
872 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
874 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
875 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
878 noconfigdirs="$noconfigdirs target-libgloss"
881 noconfigdirs="$noconfigdirs target-libgloss"
884 noconfigdirs="$noconfigdirs ld target-libgloss"
887 noconfigdirs="$noconfigdirs target-libgloss"
890 noconfigdirs="$noconfigdirs target-libgloss gdb"
893 noconfigdirs="$noconfigdirs target-libgloss"
896 noconfigdirs="$noconfigdirs gdb"
899 noconfigdirs="$noconfigdirs gdb"
902 noconfigdirs="$noconfigdirs gprof"
905 noconfigdirs="$noconfigdirs target-libgloss"
908 noconfigdirs="$noconfigdirs target-libgloss"
910 hppa1.1-*-osf* | hppa1.1-*-bsd* )
922 noconfigdirs="$noconfigdirs ld"
927 noconfigdirs="$noconfigdirs ld"
930 noconfigdirs="$noconfigdirs gdb"
933 # No gdb support yet.
934 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
938 noconfigdirs="$noconfigdirs libgui itcl ld"
942 noconfigdirs="$noconfigdirs libgui itcl ld"
944 i[[3456789]]86-w64-mingw*)
946 i[[3456789]]86-*-mingw*)
947 target_configdirs="$target_configdirs target-winsup"
950 target_configdirs="$target_configdirs target-libtermcap target-winsup"
951 noconfigdirs="$noconfigdirs target-libgloss"
952 # always build newlib if winsup directory is present.
953 if test -d "$srcdir/winsup/cygwin"; then
954 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
955 elif test -d "$srcdir/newlib"; then
956 echo "Warning: winsup/cygwin is missing so newlib can't be built."
960 noconfigdirs="$noconfigdirs target-libgloss"
962 i[[3456789]]86-*-sco3.2v5*)
963 # The linker does not yet know about weak symbols in COFF,
964 # and is not configured to handle mixed ELF and COFF.
965 noconfigdirs="$noconfigdirs ld target-libgloss"
967 i[[3456789]]86-*-sco*)
968 noconfigdirs="$noconfigdirs gprof target-libgloss"
970 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
971 noconfigdirs="$noconfigdirs target-libgloss"
973 i[[3456789]]86-*-sysv4*)
974 noconfigdirs="$noconfigdirs target-libgloss"
976 i[[3456789]]86-*-beos*)
977 noconfigdirs="$noconfigdirs gdb"
979 i[[3456789]]86-*-rdos*)
980 noconfigdirs="$noconfigdirs gdb"
983 noconfigdirs="$noconfigdirs gdb"
986 noconfigdirs="$noconfigdirs sim"
989 # copied from rs6000-*-* entry
990 noconfigdirs="$noconfigdirs gprof"
992 powerpc*-*-winnt* | powerpc*-*-pe*)
993 target_configdirs="$target_configdirs target-winsup"
994 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
995 # always build newlib.
996 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
998 # This is temporary until we can link against shared libraries
999 powerpcle-*-solaris*)
1000 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1003 noconfigdirs="$noconfigdirs gdb"
1006 noconfigdirs="$noconfigdirs gprof"
1009 noconfigdirs="$noconfigdirs gprof"
1012 noconfigdirs="$noconfigdirs gprof"
1015 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1018 noconfigdirs="$noconfigdirs gprof"
1021 if test x$with_newlib = xyes; then
1022 noconfigdirs="$noconfigdirs gprof"
1026 noconfigdirs="$noconfigdirs gprof target-libgloss"
1029 noconfigdirs="$noconfigdirs gprof target-libgloss"
1032 noconfigdirs="$noconfigdirs gprof target-libgloss"
1037 noconfigdirs="$noconfigdirs gprof"
1044 noconfigdirs="$noconfigdirs target-libgloss" ;;
1048 if test x${is_cross_compiler} = xno ; then
1053 noconfigdirs="$noconfigdirs sim"
1055 tilepro-*-* | tilegx-*-*)
1056 noconfigdirs="$noconfigdirs sim"
1059 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1062 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1066 # If we aren't building newlib, then don't build libgloss, since libgloss
1067 # depends upon some newlib header files.
1068 case "${noconfigdirs}" in
1069 *target-libgloss*) ;;
1070 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1073 # Work in distributions that contain no compiler tools, like Autoconf.
1074 host_makefile_frag=/dev/null
1075 if test -d ${srcdir}/config ; then
1077 i[[3456789]]86-*-msdosdjgpp*)
1078 host_makefile_frag="config/mh-djgpp"
1081 ACX_CHECK_CYGWIN_CAT_WORKS
1082 host_makefile_frag="config/mh-cygwin"
1085 host_makefile_frag="config/mh-mingw"
1088 host_makefile_frag="config/mh-pa-hpux10"
1091 host_makefile_frag="config/mh-pa"
1094 host_makefile_frag="config/mh-pa"
1097 host_makefile_frag="config/mh-darwin"
1100 host_makefile_frag="config/mh-ppc-aix"
1103 host_makefile_frag="config/mh-ppc-aix"
1108 if test "${build}" != "${host}" ; then
1109 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1110 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1111 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1112 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1113 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1114 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1115 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1116 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1117 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1118 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1119 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1120 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1121 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1123 AR_FOR_BUILD="\$(AR)"
1124 AS_FOR_BUILD="\$(AS)"
1125 CC_FOR_BUILD="\$(CC)"
1126 CXX_FOR_BUILD="\$(CXX)"
1127 GCJ_FOR_BUILD="\$(GCJ)"
1128 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1129 GOC_FOR_BUILD="\$(GOC)"
1130 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1131 LD_FOR_BUILD="\$(LD)"
1132 NM_FOR_BUILD="\$(NM)"
1133 RANLIB_FOR_BUILD="\$(RANLIB)"
1134 WINDRES_FOR_BUILD="\$(WINDRES)"
1135 WINDMC_FOR_BUILD="\$(WINDMC)"
1141 # We must set the default linker to the linker used by gcc for the correct
1142 # operation of libtool. If LD is not defined and we are using gcc, try to
1143 # set the LD default to the ld used by gcc.
1144 if test -z "$LD"; then
1145 if test "$GCC" = yes; then
1148 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1150 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1152 case $gcc_prog_ld in
1153 # Accept absolute paths.
1154 [[\\/]* | [A-Za-z]:[\\/]*)]
1155 LD="$gcc_prog_ld" ;;
1161 ACX_PROG_CMP_IGNORE_INITIAL
1163 AC_ARG_ENABLE([bootstrap],
1164 [AS_HELP_STRING([--enable-bootstrap],
1165 [enable bootstrapping @<:@yes if native build@:>@])],,
1166 enable_bootstrap=default)
1168 # Issue errors and warnings for invalid/strange bootstrap combinations.
1169 if test -r $srcdir/gcc/configure; then
1175 case "$have_compiler:$host:$target:$enable_bootstrap" in
1178 # Default behavior. Enable bootstrap if we have a compiler
1179 # and we are in a native configuration.
1180 yes:$build:$build:default)
1181 enable_bootstrap=yes ;;
1184 enable_bootstrap=no ;;
1186 # We have a compiler and we are in a native configuration, bootstrap is ok
1187 yes:$build:$build:yes)
1190 # Other configurations, but we have a compiler. Assume the user knows
1193 AC_MSG_WARN([trying to bootstrap a cross compiler])
1196 # No compiler: if they passed --enable-bootstrap explicitly, fail
1198 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1200 # Fail if wrong command line
1202 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1206 # See if we are building gcc with C++.
1207 AC_ARG_ENABLE(build-with-cxx,
1208 [AS_HELP_STRING([--enable-build-with-cxx],
1209 [build with C++ compiler instead of C compiler])],
1210 ENABLE_BUILD_WITH_CXX=$enableval,
1211 ENABLE_BUILD_WITH_CXX=no)
1213 # Build stage1 with C and build stages 2 and 3 with C++.
1214 AC_ARG_ENABLE(build-poststage1-with-cxx,
1215 [AS_HELP_STRING([--enable-build-poststage1-with-cxx],
1216 [build stages 2 and 3 with C++, not C])],
1217 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval,
1218 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes)
1220 # Used for setting $lt_cv_objdir
1223 # Check for GMP, MPFR and MPC
1224 gmplibs="-lmpc -lmpfr -lgmp"
1228 # Specify a location for mpc
1229 # check for this first so it ends up on the link line before mpfr.
1231 [AS_HELP_STRING([--with-mpc=PATH],
1232 [specify prefix directory for installed MPC package.
1233 Equivalent to --with-mpc-include=PATH/include
1234 plus --with-mpc-lib=PATH/lib])])
1235 AC_ARG_WITH(mpc-include,
1236 [AS_HELP_STRING([--with-mpc-include=PATH],
1237 [specify directory for installed MPC include files])])
1238 AC_ARG_WITH(mpc-lib,
1239 [AS_HELP_STRING([--with-mpc-lib=PATH],
1240 [specify directory for the installed MPC library])])
1242 if test "x$with_mpc" != x; then
1243 gmplibs="-L$with_mpc/lib $gmplibs"
1244 gmpinc="-I$with_mpc/include $gmpinc"
1246 if test "x$with_mpc_include" != x; then
1247 gmpinc="-I$with_mpc_include $gmpinc"
1249 if test "x$with_mpc_lib" != x; then
1250 gmplibs="-L$with_mpc_lib $gmplibs"
1252 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1253 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1254 gmpinc='-I$$s/mpc/src '"$gmpinc"
1255 # Do not test the mpc version. Assume that it is sufficient, since
1256 # it is in the source tree, and the library has not been built yet
1257 # but it would be included on the link line in the version check below
1258 # hence making the test fail.
1262 # Specify a location for mpfr
1263 # check for this first so it ends up on the link line before gmp.
1264 AC_ARG_WITH(mpfr-dir,
1265 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1266 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1267 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1270 [AS_HELP_STRING([--with-mpfr=PATH],
1271 [specify prefix directory for installed MPFR package.
1272 Equivalent to --with-mpfr-include=PATH/include
1273 plus --with-mpfr-lib=PATH/lib])])
1274 AC_ARG_WITH(mpfr-include,
1275 [AS_HELP_STRING([--with-mpfr-include=PATH],
1276 [specify directory for installed MPFR include files])])
1277 AC_ARG_WITH(mpfr-lib,
1278 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1279 [specify directory for the installed MPFR library])])
1281 if test "x$with_mpfr" != x; then
1282 gmplibs="-L$with_mpfr/lib $gmplibs"
1283 gmpinc="-I$with_mpfr/include $gmpinc"
1285 if test "x$with_mpfr_include" != x; then
1286 gmpinc="-I$with_mpfr_include $gmpinc"
1288 if test "x$with_mpfr_lib" != x; then
1289 gmplibs="-L$with_mpfr_lib $gmplibs"
1291 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1292 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1293 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1294 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1295 # Do not test the mpfr version. Assume that it is sufficient, since
1296 # it is in the source tree, and the library has not been built yet
1297 # but it would be included on the link line in the version check below
1298 # hence making the test fail.
1302 # Specify a location for gmp
1303 AC_ARG_WITH(gmp-dir,
1304 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1305 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1306 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1309 [AS_HELP_STRING([--with-gmp=PATH],
1310 [specify prefix directory for the installed GMP package.
1311 Equivalent to --with-gmp-include=PATH/include
1312 plus --with-gmp-lib=PATH/lib])])
1313 AC_ARG_WITH(gmp-include,
1314 [AS_HELP_STRING([--with-gmp-include=PATH],
1315 [specify directory for installed GMP include files])])
1316 AC_ARG_WITH(gmp-lib,
1317 [AS_HELP_STRING([--with-gmp-lib=PATH],
1318 [specify directory for the installed GMP library])])
1321 if test "x$with_gmp" != x; then
1322 gmplibs="-L$with_gmp/lib $gmplibs"
1323 gmpinc="-I$with_gmp/include $gmpinc"
1325 if test "x$with_gmp_include" != x; then
1326 gmpinc="-I$with_gmp_include $gmpinc"
1328 if test "x$with_gmp_lib" != x; then
1329 gmplibs="-L$with_gmp_lib $gmplibs"
1331 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1332 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1333 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1334 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1335 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1336 # Do not test the gmp version. Assume that it is sufficient, since
1337 # it is in the source tree, and the library has not been built yet
1338 # but it would be included on the link line in the version check below
1339 # hence making the test fail.
1343 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1345 saved_CFLAGS="$CFLAGS"
1346 CFLAGS="$CFLAGS $gmpinc"
1347 # Check for the recommended and required versions of GMP.
1348 AC_MSG_CHECKING([for the correct version of gmp.h])
1349 AC_TRY_COMPILE([#include "gmp.h"],[
1350 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1351 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1352 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1355 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1356 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1357 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1358 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1361 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1362 [AC_MSG_RESULT([no]); have_gmp=no])
1364 # If we have GMP, check the MPFR version.
1365 if test x"$have_gmp" = xyes; then
1366 # Check for the recommended and required versions of MPFR.
1367 AC_MSG_CHECKING([for the correct version of mpfr.h])
1368 AC_TRY_COMPILE([#include <gmp.h>
1369 #include <mpfr.h>],[
1370 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1373 ], [AC_TRY_COMPILE([#include <gmp.h>
1374 #include <mpfr.h>],[
1375 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1378 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1379 [AC_MSG_RESULT([no]); have_gmp=no])
1382 # Check for the MPC header version.
1383 if test x"$have_gmp" = xyes ; then
1384 # Check for the recommended and required versions of MPC.
1385 AC_MSG_CHECKING([for the correct version of mpc.h])
1386 AC_TRY_COMPILE([#include <mpc.h>],[
1387 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1390 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1391 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1394 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1395 [AC_MSG_RESULT([no]); have_gmp=no])
1398 # Now check the MPFR library.
1399 if test x"$have_gmp" = xyes; then
1401 LIBS="$LIBS $gmplibs"
1402 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1403 AC_TRY_LINK([#include <mpc.h>],[
1410 mpfr_atan2 (n, n, x, GMP_RNDN);
1411 mpfr_erfc (n, x, GMP_RNDN);
1412 mpfr_subnormalize (x, t, GMP_RNDN);
1416 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1417 mpc_cosh (c, c, MPC_RNDNN);
1418 mpc_pow (c, c, c, MPC_RNDNN);
1419 mpc_acosh (c, c, MPC_RNDNN);
1421 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1425 CFLAGS="$saved_CFLAGS"
1427 # The library versions listed in the error message below should match
1428 # the HARD-minimums enforced above.
1429 if test x$have_gmp != xyes; then
1430 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1431 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1432 their locations. Source code for these libraries can be found at
1433 their respective hosting sites as well as at
1434 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1435 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1436 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1437 make sure that you have installed both the libraries and the header
1438 files. They may be located in separate packages.])
1442 # Flags needed for both GMP, MPFR and/or MPC.
1445 AC_SUBST(extra_mpfr_configure_flags)
1446 AC_SUBST(extra_mpc_gmp_configure_flags)
1447 AC_SUBST(extra_mpc_mpfr_configure_flags)
1449 # Allow host libstdc++ to be specified for static linking with PPL.
1450 AC_ARG_WITH(host-libstdcxx,
1451 [AS_HELP_STRING([--with-host-libstdcxx=L],
1452 [use linker arguments L to link with libstdc++
1453 when linking with PPL])])
1455 case $with_host_libstdcxx in
1457 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1461 # Linker flags to use for stage1 or when not boostrapping.
1462 AC_ARG_WITH(stage1-ldflags,
1463 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1464 [if test "$withval" = "no" -o "$withval" = "yes"; then
1467 stage1_ldflags=$withval
1470 AC_SUBST(stage1_ldflags)
1472 # Libraries to use for stage1 or when not bootstrapping.
1473 AC_ARG_WITH(stage1-libs,
1474 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1475 [if test "$withval" = "no" -o "$withval" = "yes"; then
1478 stage1_libs=$withval
1480 [stage1_libs=$with_host_libstdcxx])
1481 AC_SUBST(stage1_libs)
1483 # Libraries to use for stage2 and later builds. This defaults to the
1484 # argument passed to --with-host-libstdcxx.
1485 AC_ARG_WITH(boot-libs,
1486 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1487 [if test "$withval" = "no" -o "$withval" = "yes"; then
1490 poststage1_libs=$withval
1492 [poststage1_libs=$with_host_libstdcxx])
1493 AC_SUBST(poststage1_libs)
1495 # Linker flags to use for stage2 and later builds.
1496 AC_ARG_WITH(boot-ldflags,
1497 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1498 [linker flags for stage2 and later])],
1499 [if test "$withval" = "no" -o "$withval" = "yes"; then
1502 poststage1_ldflags=$withval
1504 [poststage1_ldflags=
1505 # In stages 2 and 3, default to linking libstdc++ and libgcc
1506 # statically. But if the user explicitly specified the libraries to
1507 # use, trust that they are doing what they want.
1508 if test "$poststage1_libs" = ""; then
1509 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1511 AC_SUBST(poststage1_ldflags)
1519 [AS_HELP_STRING([--with-ppl=PATH],
1520 [specify prefix directory for the installed PPL package.
1521 Equivalent to --with-ppl-include=PATH/include
1522 plus --with-ppl-lib=PATH/lib])])
1523 AC_ARG_WITH(ppl-include,
1524 [AS_HELP_STRING([--with-ppl-include=PATH],
1525 [specify directory for installed PPL include files])])
1526 AC_ARG_WITH(ppl-lib,
1527 [AS_HELP_STRING([--with-ppl-lib=PATH],
1528 [specify directory for the installed PPL library])])
1530 AC_ARG_ENABLE(ppl-version-check,
1531 [AS_HELP_STRING([--disable-ppl-version-check],
1532 [disable check for PPL version])])
1538 ppllibs="-L$with_ppl/lib"
1539 pplinc="-I$with_ppl/include $pplinc"
1540 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1543 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1548 if test x"$with_ppl_include" != x; then
1549 pplinc="-I$with_ppl_include $pplinc"
1553 if test "x$with_ppl_lib" != x; then
1554 ppllibs="-L$with_ppl_lib"
1558 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1559 if test x"$enable_watchdog" = xyes; then
1562 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1563 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1564 enable_ppl_version_check=no
1568 if test "x$with_ppl" != xno; then
1569 if test "x$pwllib" = x; then
1571 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1572 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1576 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1578 if test "$enable_ppl_version_check" != no; then
1579 saved_CFLAGS="$CFLAGS"
1580 CFLAGS="$CFLAGS $pplinc $gmpinc"
1581 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1582 AC_TRY_COMPILE([#include "ppl_c.h"],[
1583 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1586 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1587 CFLAGS="$saved_CFLAGS"
1591 # Flags needed for PPL
1598 dnl Provide configure switches and initialize clooginc & clooglibs
1599 dnl with user input.
1601 if test "x$with_ppl" = "xno"; then
1602 dnl Only execute fail-action, if CLooG has been requested.
1603 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1604 if test "${graphite_requested}" = yes; then
1605 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1609 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1610 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1611 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1612 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1614 if test "x$with_cloog" != "xno"; then
1615 dnl The minimal version of CLooG required for Graphite.
1617 dnl If we use CLooG-Legacy, the provided version information is
1619 CLOOG_CHECK_VERSION(0,16,1)
1621 dnl Only execute fail-action, if CLooG has been requested.
1623 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1626 # Check for LTO support.
1628 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1629 enable_lto=$enableval,
1630 enable_lto=yes; default_enable_lto=yes)
1632 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1633 build_lto_plugin=yes
1634 ],[if test x"$default_enable_lto" = x"yes" ; then
1636 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1637 # On other non-ELF platforms, LTO has yet to be validated.
1641 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1642 # It would also be nice to check the binutils support, but we don't
1643 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1644 # warn during gcc/ subconfigure; unless you're bootstrapping with
1645 # -flto it won't be needed until after installation anyway.
1647 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1648 *) if test x"$enable_lto" = x"yes"; then
1649 AC_MSG_ERROR([LTO support is not enabled for this target.])
1654 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1655 # Build it unless LTO was explicitly disabled.
1657 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1663 # By default, C is the only stage 1 language.
1664 stage1_languages=,c,
1666 # Target libraries that we bootstrap.
1667 bootstrap_target_libs=,target-libgcc,
1669 # Figure out what language subdirectories are present.
1670 # Look if the user specified --enable-languages="..."; if not, use
1671 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1673 # NB: embedded tabs in this IF block -- do not untabify
1674 if test -d ${srcdir}/gcc; then
1675 if test x"${enable_languages+set}" != xset; then
1676 if test x"${LANGUAGES+set}" = xset; then
1677 enable_languages="${LANGUAGES}"
1678 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1680 enable_languages=all
1683 if test x"${enable_languages}" = x ||
1684 test x"${enable_languages}" = xyes;
1686 echo configure.in: --enable-languages needs at least one language argument 1>&2
1690 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1692 # 'f95' is the old name for the 'fortran' language. We issue a warning
1693 # and make the substitution.
1694 case ,${enable_languages}, in
1696 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1697 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1701 # If bootstrapping, then using --enable-build-with-cxx or
1702 # --enable-build-poststage1-with-cxx requires enabling C++.
1703 case ",$enable_languages,:,$ENABLE_BUILD_WITH_CXX,$ENABLE_BUILD_POSTSTAGE1_WITH_CXX,:$enable_bootstrap" in
1706 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1707 enable_languages="${enable_languages},c++"
1709 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx or --enable-build-poststage1-with-cxx requires c++ sources])
1714 # First scan to see if an enabled language requires some other language.
1715 # We assume that a given config-lang.in will list all the language
1716 # front ends it requires, even if some are required indirectly.
1717 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1718 case ${lang_frag} in
1720 # The odd quoting in the next line works around
1721 # an apparent bug in bash 1.12 on linux.
1722 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1724 # From the config-lang.in, get $language, $lang_requires, and
1725 # $lang_requires_boot_languages.
1728 lang_requires_boot_languages=
1730 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1731 case ,${enable_languages}, in
1735 echo " \`$other' language required by \`$language'; enabling" 1>&2
1736 enable_languages="${enable_languages},${other}"
1740 for other in ${lang_requires_boot_languages} ; do
1741 if test "$other" != "c"; then
1742 case ,${enable_stage1_languages}, in
1746 case ,${enable_languages}, in
1748 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1749 enable_stage1_languages="$enable_stage1_languages,${other}"
1760 new_enable_languages=,c,
1762 # If LTO is enabled, add the LTO front end.
1763 extra_host_libiberty_configure_flags=
1764 if test "$enable_lto" = "yes" ; then
1765 case ,${enable_languages}, in
1767 *) enable_languages="${enable_languages},lto" ;;
1769 if test "${build_lto_plugin}" = "yes" ; then
1770 configdirs="$configdirs lto-plugin"
1771 extra_host_libiberty_configure_flags=--enable-shared
1774 AC_SUBST(extra_host_libiberty_configure_flags)
1776 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1777 potential_languages=,c,
1779 enabled_target_libs=
1780 disabled_target_libs=
1782 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1783 case ${lang_frag} in
1785 # The odd quoting in the next line works around
1786 # an apparent bug in bash 1.12 on linux.
1787 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1789 # From the config-lang.in, get $language, $target_libs,
1790 # $lang_dirs, $boot_language, and $build_by_default
1796 build_by_default=yes
1798 if test x${language} = x; then
1799 echo "${lang_frag} doesn't set \$language." 1>&2
1803 if test "$language" = "c++"; then
1804 if test "$ENABLE_BUILD_WITH_CXX" = "yes" \
1805 || test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
1810 case ,${enable_languages}, in
1812 # Language was explicitly selected; include it.
1816 # 'all' was selected, select it if it is a default language
1817 add_this_lang=${build_by_default}
1824 # Disable languages that need other directories if these aren't available.
1825 for i in $subdir_requires; do
1826 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1827 case ,${enable_languages}, in
1829 # Specifically requested language; tell them.
1830 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1834 add_this_lang=unsupported
1839 # Disable Ada if no preexisting GNAT is available.
1840 case ,${enable_languages},:${language}:${have_gnat} in
1841 *,${language},*:ada:no)
1842 # Specifically requested language; tell them.
1843 AC_MSG_ERROR([GNAT is required to build $language])
1847 add_this_lang=unsupported
1851 # Disable a language that is unsupported by the target.
1852 case " $unsupported_languages " in
1854 add_this_lang=unsupported
1858 case $add_this_lang in
1860 # Remove language-dependent dirs.
1861 disabled_target_libs="$disabled_target_libs $target_libs"
1862 noconfigdirs="$noconfigdirs $lang_dirs"
1865 # Remove language-dependent dirs; still show language as supported.
1866 disabled_target_libs="$disabled_target_libs $target_libs"
1867 noconfigdirs="$noconfigdirs $lang_dirs"
1868 potential_languages="${potential_languages}${language},"
1871 new_enable_languages="${new_enable_languages}${language},"
1872 potential_languages="${potential_languages}${language},"
1873 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1874 enabled_target_libs="$enabled_target_libs $target_libs"
1875 case "${boot_language}:,$enable_stage1_languages," in
1876 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1877 # Add to (comma-separated) list of stage 1 languages.
1878 case ",$stage1_languages," in
1879 *,$language,* | ,yes, | ,all,) ;;
1880 *) stage1_languages="${stage1_languages}${language}," ;;
1882 # We need to bootstrap any supporting libraries.
1883 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1892 # Add target libraries which are only needed for disabled languages
1894 if test -n "$disabled_target_libs"; then
1895 for dir in $disabled_target_libs; do
1896 case " $enabled_target_libs " in
1898 *) noconfigdirs="$noconfigdirs $dir" ;;
1903 AC_ARG_ENABLE(stage1-languages,
1904 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1905 [choose additional languages to build during
1906 stage1. Mostly useful for compiler development])],
1907 [case ,${enable_stage1_languages}, in
1909 # Set it to something that will have no effect in the loop below
1910 enable_stage1_languages=c ;;
1912 enable_stage1_languages=`echo $new_enable_languages | \
1913 sed -e "s/^,//" -e "s/,$//" ` ;;
1915 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1916 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1919 # Add "good" languages from enable_stage1_languages to stage1_languages,
1920 # while "bad" languages go in missing_languages. Leave no duplicates.
1921 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1922 case $potential_languages in
1924 case $stage1_languages in
1926 *) stage1_languages="$stage1_languages$i," ;;
1929 case $missing_languages in
1931 *) missing_languages="$missing_languages$i," ;;
1936 # Remove leading/trailing commas that were added for simplicity
1937 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1938 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1939 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1940 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1942 if test "x$missing_languages" != x; then
1944 The following requested languages could not be built: ${missing_languages}
1945 Supported languages are: ${potential_languages}])
1947 if test "x$new_enable_languages" != "x$enable_languages"; then
1948 echo The following languages will be built: ${new_enable_languages}
1949 enable_languages="$new_enable_languages"
1952 AC_SUBST(stage1_languages)
1953 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1956 # Handle --disable-<component> generically.
1957 for dir in $configdirs $build_configdirs $target_configdirs ; do
1958 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1959 varname=`echo $dirname | sed -e s/+/_/g`
1960 if eval test x\${enable_${varname}} "=" xno ; then
1961 noconfigdirs="$noconfigdirs $dir"
1965 # Check for Boehm's garbage collector
1966 AC_ARG_ENABLE(objc-gc,
1967 [AS_HELP_STRING([--enable-objc-gc],
1968 [enable use of Boehm's garbage collector with the
1969 GNU Objective-C runtime])],
1970 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1971 *,objc,*:*:yes:*target-boehm-gc*)
1972 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1976 # Make sure we only build Boehm's garbage collector if required.
1977 case ,${enable_languages},:${enable_objc_gc} in
1979 # Keep target-boehm-gc if requested for Objective-C.
1982 # Otherwise remove target-boehm-gc depending on target-libjava.
1983 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1984 noconfigdirs="$noconfigdirs target-boehm-gc"
1989 # Disable libitm if we're not building C++
1990 case ,${enable_languages}, in
1993 noconfigdirs="$noconfigdirs target-libitm"
1997 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1998 # $build_configdirs and $target_configdirs.
1999 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2002 for dir in . $skipdirs $noconfigdirs ; do
2003 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2004 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2005 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2006 if test -r $srcdir/$dirname/configure ; then
2007 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2010 notsupp="$notsupp $dir"
2014 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2015 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2016 if test -r $srcdir/$dirname/configure ; then
2017 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2020 notsupp="$notsupp $dir"
2024 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2025 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2026 if test -r $srcdir/$dirname/configure ; then
2027 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2030 notsupp="$notsupp $dir"
2036 # Quietly strip out all directories which aren't configurable in this tree.
2037 # This relies on all configurable subdirectories being autoconfiscated, which
2039 build_configdirs_all="$build_configdirs"
2041 for i in ${build_configdirs_all} ; do
2042 j=`echo $i | sed -e s/build-//g`
2043 if test -f ${srcdir}/$j/configure ; then
2044 build_configdirs="${build_configdirs} $i"
2048 configdirs_all="$configdirs"
2050 for i in ${configdirs_all} ; do
2051 if test -f ${srcdir}/$i/configure ; then
2052 configdirs="${configdirs} $i"
2056 target_configdirs_all="$target_configdirs"
2058 for i in ${target_configdirs_all} ; do
2059 j=`echo $i | sed -e s/target-//g`
2060 if test -f ${srcdir}/$j/configure ; then
2061 target_configdirs="${target_configdirs} $i"
2065 # Produce a warning message for the subdirs we can't configure.
2066 # This isn't especially interesting in the Cygnus tree, but in the individual
2067 # FSF releases, it's important to let people know when their machine isn't
2068 # supported by the one or two programs in a package.
2070 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2071 # If $appdirs is non-empty, at least one of those directories must still
2072 # be configured, or we error out. (E.g., if the gas release supports a
2073 # specified target in some subdirs but not the gas subdir, we shouldn't
2074 # pretend that all is well.)
2075 if test -n "$appdirs" ; then
2076 for dir in $appdirs ; do
2077 if test -r $dir/Makefile.in ; then
2078 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2082 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2088 if test -n "$appdirs" ; then
2089 echo "*** This configuration is not supported by this package." 1>&2
2093 # Okay, some application will build, or we don't care to check. Still
2094 # notify of subdirs not getting built.
2095 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2096 echo " ${notsupp}" 1>&2
2097 echo " (Any other directories should still work fine.)" 1>&2
2105 # To find our prefix, in gcc_cv_tool_prefix.
2110 AC_ARG_WITH([build-sysroot],
2111 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2112 [use sysroot as the system root during the build])],
2113 [if test x"$withval" != x ; then
2114 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2116 [SYSROOT_CFLAGS_FOR_TARGET=])
2117 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2119 AC_ARG_WITH([debug-prefix-map],
2120 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2121 [map A to B, C to D ... in debug information])],
2122 [if test x"$withval" != x; then
2123 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2124 for debug_map in $withval; do
2125 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2128 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2129 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2131 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2132 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2133 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2134 # We want to ensure that TARGET libraries (which we know are built with
2135 # gcc) are built with "-O2 -g", so include those options when setting
2136 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2137 if test "x$CFLAGS_FOR_TARGET" = x; then
2138 CFLAGS_FOR_TARGET=$CFLAGS
2141 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2144 *" -g "* | *" -g3 "*) ;;
2145 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2148 AC_SUBST(CFLAGS_FOR_TARGET)
2150 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2151 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2152 case " $CXXFLAGS " in
2154 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2156 case " $CXXFLAGS " in
2157 *" -g "* | *" -g3 "*) ;;
2158 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2161 AC_SUBST(CXXFLAGS_FOR_TARGET)
2163 AC_SUBST(LDFLAGS_FOR_TARGET)
2165 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2166 # the named directory are copied to $(tooldir)/sys-include.
2167 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2168 if test x${is_cross_compiler} = xno ; then
2169 echo 1>&2 '***' --with-headers is only supported when cross compiling
2172 if test x"${with_headers}" != xyes ; then
2173 x=${gcc_cv_tool_prefix}
2174 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2178 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2179 # the name directories are copied to $(tooldir)/lib. Multiple directories
2181 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2182 if test x${is_cross_compiler} = xno ; then
2183 echo 1>&2 '***' --with-libs is only supported when cross compiling
2186 if test x"${with_libs}" != xyes ; then
2187 # Copy the libraries in reverse order, so that files in the first named
2188 # library override files in subsequent libraries.
2189 x=${gcc_cv_tool_prefix}
2190 for l in ${with_libs}; do
2191 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2196 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2198 # This is done by determining whether or not the appropriate directory
2199 # is available, and by checking whether or not specific configurations
2200 # have requested that this magic not happen.
2202 # The command line options always override the explicit settings in
2203 # configure.in, and the settings in configure.in override this magic.
2205 # If the default for a toolchain is to use GNU as and ld, and you don't
2206 # want to do that, then you should use the --without-gnu-as and
2207 # --without-gnu-ld options for the configure script. Similarly, if
2208 # the default is to use the included zlib and you don't want to do that,
2209 # you should use the --with-system-zlib option for the configure script.
2211 if test x${use_gnu_as} = x &&
2212 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2214 extra_host_args="$extra_host_args --with-gnu-as"
2217 if test x${use_gnu_ld} = x &&
2218 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2220 extra_host_args="$extra_host_args --with-gnu-ld"
2223 if test x${use_included_zlib} = x &&
2224 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2227 with_system_zlib=yes
2228 extra_host_args="$extra_host_args --with-system-zlib"
2231 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2232 # can detect this case.
2234 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2236 extra_host_args="$extra_host_args --with-newlib"
2239 # Handle ${copy_dirs}
2240 set fnord ${copy_dirs}
2242 while test $# != 0 ; do
2243 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2246 echo Copying $1 to $2
2248 # Use the install script to create the directory and all required
2249 # parent directories.
2250 if test -d $2 ; then
2254 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2257 # Copy the directory, assuming we have tar.
2258 # FIXME: Should we use B in the second tar? Not all systems support it.
2259 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2261 # It is the responsibility of the user to correctly adjust all
2262 # symlinks. If somebody can figure out how to handle them correctly
2263 # here, feel free to add the code.
2270 # Determine a target-dependent exec_prefix that the installed
2271 # gcc will search in. Keep this list sorted by triplet, with
2272 # the *-*-osname triplets last.
2275 i[[34567]]86-pc-msdosdjgpp*)
2276 md_exec_prefix=/dev/env/DJDIR/bin
2281 md_exec_prefix=/usr/ccs/bin
2285 extra_arflags_for_target=
2286 extra_nmflags_for_target=
2287 extra_ranlibflags_for_target=
2288 target_makefile_frag=/dev/null
2291 target_makefile_frag="config/mt-spu"
2294 target_makefile_frag="config/mt-sde"
2296 mipsisa*-*-elfoabi*)
2297 target_makefile_frag="config/mt-mips-elfoabi"
2299 mips*-*-*linux* | mips*-*-gnu*)
2300 target_makefile_frag="config/mt-mips-gnu"
2302 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2303 target_makefile_frag="config/mt-gnu"
2305 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2306 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2307 # commands to handle both 32-bit and 64-bit objects. These flags are
2308 # harmless if we're using GNU nm or ar.
2309 extra_arflags_for_target=" -X32_64"
2310 extra_nmflags_for_target=" -B -X32_64"
2314 alphaieee_frag=/dev/null
2317 # This just makes sure to use the -mieee option to build target libs.
2318 # This should probably be set individually by each library.
2319 alphaieee_frag="config/mt-alphaieee"
2323 # If --enable-target-optspace always use -Os instead of -O2 to build
2324 # the target libraries, similarly if it is not specified, use -Os
2325 # on selected platforms.
2326 ospace_frag=/dev/null
2327 case "${enable_target_optspace}:${target}" in
2329 ospace_frag="config/mt-ospace"
2332 ospace_frag="config/mt-d30v"
2334 :m32r-* | :d10v-* | :fr30-*)
2335 ospace_frag="config/mt-ospace"
2340 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2344 # Some systems (e.g., one of the i386-aix systems the gas testers are
2345 # using) don't handle "\$" correctly, so don't use it here.
2346 tooldir='${exec_prefix}'/${target_noncanonical}
2347 build_tooldir=${tooldir}
2349 # Create a .gdbinit file which runs the one in srcdir
2350 # and tells GDB to look there for source files.
2352 if test -r ${srcdir}/.gdbinit ; then
2355 *) cat > ./.gdbinit <<EOF
2359 source ${srcdir}/.gdbinit
2365 # Make sure that the compiler is able to generate an executable. If it
2366 # can't, we are probably in trouble. We don't care whether we can run the
2367 # executable--we might be using a cross compiler--we only care whether it
2368 # can be created. At this point the main configure script has set CC.
2370 echo "int main () { return 0; }" > conftest.c
2371 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2372 if test $? = 0 ; then
2373 if test -s conftest || test -s conftest.exe ; then
2379 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2380 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2387 # Decide which environment variable is used to find dynamic libraries.
2389 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2390 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2391 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2392 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2395 # On systems where the dynamic library environment variable is PATH,
2396 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2397 # built executables to PATH.
2398 if test "$RPATH_ENVVAR" = PATH; then
2399 GCC_SHLIB_SUBDIR=/shlib
2404 # Record target_configdirs and the configure arguments for target and
2405 # build configuration in Makefile.
2406 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2407 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2409 # If we are building libgomp, bootstrap it.
2410 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2411 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2414 # Determine whether gdb needs tk/tcl or not.
2415 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2416 # and in that case we want gdb to be built without tk. Ugh!
2417 # In fact I believe gdb is the *only* package directly dependent on tk,
2418 # so we should be able to put the 'maybe's in unconditionally and
2419 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2420 # 100% sure that that's safe though.
2422 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2423 case "$enable_gdbtk" in
2427 GDB_TK="${gdb_tk}" ;;
2429 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2430 # distro. Eventually someone will fix this and move Insight, nee
2431 # gdbtk to a separate directory.
2432 if test -d ${srcdir}/gdb/gdbtk ; then
2439 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2440 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2442 # Strip out unwanted targets.
2444 # While at that, we remove Makefiles if we were started for recursive
2445 # configuration, so that the top-level Makefile reconfigures them,
2446 # like we used to do when configure itself was recursive.
2448 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2449 # but now we're fixing up the Makefile ourselves with the additional
2450 # commands passed to AC_CONFIG_FILES. Use separate variables
2451 # extrasub-{build,host,target} not because there is any reason to split
2452 # the substitutions up that way, but only to remain below the limit of
2453 # 99 commands in a script, for HP-UX sed.
2454 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2456 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2457 yes:yes:*\ gold\ *:*,c++,*) ;;
2458 yes:yes:*\ gold\ *:*)
2459 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2463 # Adjust the toplevel makefile according to whether bootstrap was selected.
2464 case $enable_bootstrap in
2466 bootstrap_suffix=bootstrap
2467 BUILD_CONFIG=bootstrap-debug
2470 bootstrap_suffix=no-bootstrap
2475 AC_MSG_CHECKING(for default BUILD_CONFIG)
2477 AC_ARG_WITH([build-config],
2478 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2479 [use config/NAME.mk build configuration])],
2480 [case $with_build_config in
2481 yes) with_build_config= ;;
2482 no) with_build_config= BUILD_CONFIG= ;;
2485 if test "x${with_build_config}" != x; then
2486 BUILD_CONFIG=$with_build_config
2488 case $BUILD_CONFIG in
2490 if echo "int f (void) { return 0; }" > conftest.c &&
2491 ${CC} -c conftest.c &&
2492 mv conftest.o conftest.o.g0 &&
2493 ${CC} -c -g conftest.c &&
2494 mv conftest.o conftest.o.g &&
2495 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2500 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2504 AC_MSG_RESULT($BUILD_CONFIG)
2505 AC_SUBST(BUILD_CONFIG)
2508 for module in ${build_configdirs} ; do
2509 if test -z "${no_recursion}" \
2510 && test -f ${build_subdir}/${module}/Makefile; then
2511 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2512 rm -f ${build_subdir}/${module}/Makefile
2514 extrasub_build="$extrasub_build
2515 /^@if build-$module\$/d
2516 /^@endif build-$module\$/d
2517 /^@if build-$module-$bootstrap_suffix\$/d
2518 /^@endif build-$module-$bootstrap_suffix\$/d"
2521 for module in ${configdirs} ; do
2522 if test -z "${no_recursion}"; then
2523 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2524 if test -f ${file}; then
2525 echo 1>&2 "*** removing ${file} to force reconfigure"
2530 extrasub_host="$extrasub_host
2532 /^@endif $module\$/d
2533 /^@if $module-$bootstrap_suffix\$/d
2534 /^@endif $module-$bootstrap_suffix\$/d"
2537 for module in ${target_configdirs} ; do
2538 if test -z "${no_recursion}" \
2539 && test -f ${target_subdir}/${module}/Makefile; then
2540 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2541 rm -f ${target_subdir}/${module}/Makefile
2544 # We only bootstrap target libraries listed in bootstrap_target_libs.
2545 case $bootstrap_target_libs in
2546 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2547 *) target_bootstrap_suffix=no-bootstrap ;;
2550 extrasub_target="$extrasub_target
2551 /^@if target-$module\$/d
2552 /^@endif target-$module\$/d
2553 /^@if target-$module-$target_bootstrap_suffix\$/d
2554 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2557 # Do the final fixup along with target modules.
2558 extrasub_target="$extrasub_target
2559 /^@if /,/^@endif /d"
2561 # Create the serialization dependencies. This uses a temporary file.
2563 AC_ARG_ENABLE([serial-configure],
2564 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2565 [force sequential configuration of
2566 sub-packages for the host, target or build
2567 machine, or all sub-packages])])
2569 case ${enable_serial_configure} in
2571 enable_serial_build_configure=yes
2572 enable_serial_host_configure=yes
2573 enable_serial_target_configure=yes
2577 # These force 'configure's to be done one at a time, to avoid problems
2578 # with contention over a shared config.cache.
2580 echo '# serdep.tmp' > serdep.tmp
2582 test "x${enable_serial_build_configure}" = xyes &&
2583 for item in ${build_configdirs} ; do
2586 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2591 test "x${enable_serial_host_configure}" = xyes &&
2592 for item in ${configdirs} ; do
2595 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2600 test "x${enable_serial_target_configure}" = xyes &&
2601 for item in ${target_configdirs} ; do
2604 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2608 serialization_dependencies=serdep.tmp
2609 AC_SUBST_FILE(serialization_dependencies)
2611 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2612 # target, nonopt, and variable assignments. These are the ones we
2613 # might not want to pass down to subconfigures. The exception being
2614 # --cache-file=/dev/null, which is used to turn off the use of cache
2615 # files altogether, and which should be passed on to subconfigures.
2616 # Also strip program-prefix, program-suffix, and program-transform-name,
2617 # so that we can pass down a consistent program-transform-name.
2622 eval "set -- $ac_configure_args"
2625 if test X"$skip_next" = X"yes"; then
2629 if test X"$keep_next" = X"yes"; then
2632 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2634 baseargs="$baseargs '$ac_arg'"
2635 tbaseargs="$tbaseargs '$ac_arg'"
2640 # Handle separated arguments. Based on the logic generated by
2643 *=* | --config-cache | -C | -disable-* | --disable-* \
2644 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2645 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2646 | -with-* | --with-* | -without-* | --without-* | --x)
2660 --with-* | --without-*)
2661 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2665 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2668 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2677 mpc | mpfr | gmp | ppl | cloog)
2678 # If we're processing --with-$lib, --with-$lib-include or
2679 # --with-$lib-lib, for one of the libs above, and target is
2680 # different from host, don't pass the current argument to any
2681 # target library's configure.
2682 if test x$is_cross_compiler = xyes; then
2691 --cache-file=/dev/null | \
2692 -cache-file=/dev/null )
2693 # Handled here to avoid the test to skip args below.
2694 baseargs="$baseargs '$ac_arg'"
2695 tbaseargs="$tbaseargs '$ac_arg'"
2696 # Assert: $separate_arg should always be no.
2697 keep_next=$separate_arg
2713 -program-prefix* | \
2714 -program-suffix* | \
2715 -program-transform-name* )
2716 skip_next=$separate_arg
2720 # An option. Add it.
2723 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2725 baseargs="$baseargs '$ac_arg'"
2726 if test X"$skip_targ" = Xno; then
2727 tbaseargs="$tbaseargs '$ac_arg'"
2729 keep_next=$separate_arg
2732 # Either a variable assignment, or a nonopt (triplet). Don't
2733 # pass it down; let the Makefile handle this.
2738 # Remove the initial space we just introduced and, as these will be
2739 # expanded by make, quote '$'.
2740 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2742 # Add in --program-transform-name, after --program-prefix and
2743 # --program-suffix have been applied to it. Autoconf has already
2744 # doubled dollar signs and backslashes in program_transform_name; we want
2745 # the backslashes un-doubled, and then the entire thing wrapped in single
2746 # quotes, because this will be expanded first by make and then by the shell.
2747 # Also, because we want to override the logic in subdir configure scripts to
2748 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2749 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2750 ${program_transform_name}
2752 gcc_transform_name=`cat conftestsed.out`
2753 rm -f conftestsed.out
2754 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2755 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2756 if test "$silent" = yes; then
2757 baseargs="$baseargs --silent"
2758 tbaseargs="$tbaseargs --silent"
2760 baseargs="$baseargs --disable-option-checking"
2761 tbaseargs="$tbaseargs --disable-option-checking"
2763 # Record and document user additions to sub configure arguments.
2764 AC_ARG_VAR([build_configargs],
2765 [additional configure arguments for build directories])
2766 AC_ARG_VAR([host_configargs],
2767 [additional configure arguments for host directories])
2768 AC_ARG_VAR([target_configargs],
2769 [additional configure arguments for target directories])
2771 # For the build-side libraries, we just need to pretend we're native,
2772 # and not use the same cache file. Multilibs are neither needed nor
2774 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2776 # For host modules, accept cache file option, or specification as blank.
2777 case "${cache_file}" in
2779 cache_file_option="" ;;
2780 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2781 cache_file_option="--cache-file=${cache_file}" ;;
2783 cache_file_option="--cache-file=../${cache_file}" ;;
2786 # Host dirs don't like to share a cache file either, horribly enough.
2787 # This seems to be due to autoconf 2.5x stupidity.
2788 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2790 target_configargs="$target_configargs ${tbaseargs}"
2792 # Passing a --with-cross-host argument lets the target libraries know
2793 # whether they are being built with a cross-compiler or being built
2794 # native. However, it would be better to use other mechanisms to make the
2795 # sorts of decisions they want to make on this basis. Please consider
2796 # this option to be deprecated. FIXME.
2797 if test x${is_cross_compiler} = xyes ; then
2798 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2801 # Default to --enable-multilib.
2802 if test x${enable_multilib} = x ; then
2803 target_configargs="--enable-multilib ${target_configargs}"
2806 # Pass --with-newlib if appropriate. Note that target_configdirs has
2807 # changed from the earlier setting of with_newlib.
2808 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2809 target_configargs="--with-newlib ${target_configargs}"
2812 # Different target subdirs use different values of certain variables
2813 # (notably CXX). Worse, multilibs use *lots* of different values.
2814 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2815 # it doesn't automatically accept command-line overrides of them.
2816 # This means it's not safe for target subdirs to share a cache file,
2817 # which is disgusting, but there you have it. Hopefully this can be
2818 # fixed in future. It's still worthwhile to use a cache file for each
2819 # directory. I think.
2821 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2822 # We need to pass --target, as newer autoconf's requires consistency
2823 # for target_alias and gcc doesn't manage it consistently.
2824 target_configargs="--cache-file=./config.cache ${target_configargs}"
2827 case " $target_configdirs " in
2829 case " $target_configargs " in
2830 *" --with-newlib "*)
2833 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 $$s/winsup/w32api/include'
2837 # If we're not building GCC, don't discard standard headers.
2838 if test -d ${srcdir}/gcc; then
2839 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2841 if test "${build}" != "${host}"; then
2842 # On Canadian crosses, CC_FOR_TARGET will have already been set
2843 # by `configure', so we won't have an opportunity to add -Bgcc/
2844 # to it. This is right: we don't want to search that directory
2845 # for binaries, but we want the header files in there, so add
2847 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2849 # Someone might think of using the pre-installed headers on
2850 # Canadian crosses, in case the installed compiler is not fully
2851 # compatible with the compiler being built. In this case, it
2852 # would be better to flag an error than risking having
2853 # incompatible object files being constructed. We can't
2854 # guarantee that an error will be flagged, but let's hope the
2855 # compiler will do it, when presented with incompatible header
2860 case "${target}-${is_cross_compiler}" in
2861 i[[3456789]]86-*-linux*-no)
2862 # Here host == target, so we don't need to build gcc,
2863 # so we don't want to discard standard headers.
2864 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2867 # If we're building newlib, use its generic headers last, but search
2868 # for any libc-related directories first (so make it the last -B
2870 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2872 # If we're building libgloss, find the startup file, simulator library
2873 # and linker script.
2874 case " $target_configdirs " in
2876 # Look for startup file, simulator library and maybe linker script.
2877 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2878 # Look for libnosys.a in case the target needs it.
2879 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2880 # Most targets have the linker script in the source directory.
2881 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2892 x86_64-*mingw* | *-w64-mingw*)
2893 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2894 # however, use a symlink named 'mingw' in ${prefix} .
2895 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2898 # MinGW can't be handled as Cygwin above since it does not use newlib.
2899 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2903 # Allow the user to override the flags for
2904 # our build compiler if desired.
2905 if test x"${build}" = x"${host}" ; then
2906 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2907 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2908 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2911 # On Canadian crosses, we'll be searching the right directories for
2912 # the previously-installed cross compiler, so don't bother to add
2913 # flags for directories within the install tree of the compiler
2914 # being built; programs in there won't even run.
2915 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2916 # Search for pre-installed headers if nothing else fits.
2917 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2920 if test "x${use_gnu_ld}" = x &&
2921 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2922 # Arrange for us to find uninstalled linker scripts.
2923 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2926 # Search for other target-specific linker scripts and such.
2929 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2933 # Makefile fragments.
2934 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2936 eval fragval=\$$frag
2937 if test $fragval != /dev/null; then
2938 eval $frag=${srcdir}/$fragval
2941 AC_SUBST_FILE(host_makefile_frag)
2942 AC_SUBST_FILE(target_makefile_frag)
2943 AC_SUBST_FILE(alphaieee_frag)
2944 AC_SUBST_FILE(ospace_frag)
2946 # Miscellanea: directories, flags, etc.
2947 AC_SUBST(RPATH_ENVVAR)
2948 AC_SUBST(GCC_SHLIB_SUBDIR)
2950 AC_SUBST(build_tooldir)
2951 AC_SUBST(CONFIGURE_GDB_TK)
2953 AC_SUBST(INSTALL_GDB_TK)
2955 # Build module lists & subconfigure args.
2956 AC_SUBST(build_configargs)
2957 AC_SUBST(build_configdirs)
2959 # Host module lists & subconfigure args.
2960 AC_SUBST(host_configargs)
2961 AC_SUBST(configdirs)
2962 AC_SUBST(target_configdirs)
2964 # Target module lists & subconfigure args.
2965 AC_SUBST(target_configargs)
2969 AC_SUBST(AR_FOR_BUILD)
2970 AC_SUBST(AS_FOR_BUILD)
2971 AC_SUBST(CC_FOR_BUILD)
2972 AC_SUBST(CFLAGS_FOR_BUILD)
2973 AC_SUBST(CXXFLAGS_FOR_BUILD)
2974 AC_SUBST(CXX_FOR_BUILD)
2975 AC_SUBST(DLLTOOL_FOR_BUILD)
2976 AC_SUBST(GCJ_FOR_BUILD)
2977 AC_SUBST(GFORTRAN_FOR_BUILD)
2978 AC_SUBST(GOC_FOR_BUILD)
2979 AC_SUBST(LDFLAGS_FOR_BUILD)
2980 AC_SUBST(LD_FOR_BUILD)
2981 AC_SUBST(NM_FOR_BUILD)
2982 AC_SUBST(RANLIB_FOR_BUILD)
2983 AC_SUBST(WINDMC_FOR_BUILD)
2984 AC_SUBST(WINDRES_FOR_BUILD)
2986 # Generate default definitions for YACC, M4, LEX and other programs that run
2987 # on the build machine. These are used if the Makefile can't locate these
2988 # programs in objdir.
2989 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2991 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2992 case " $build_configdirs " in
2993 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2996 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2997 case " $build_configdirs " in
2998 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3001 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3002 case " $build_configdirs " in
3003 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3006 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3007 case " $build_configdirs " in
3008 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3009 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3012 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3013 case " $build_configdirs " in
3014 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3017 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3018 case " $build_configdirs " in
3019 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3022 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3023 # higher, else we use the "missing" dummy.
3024 if ${MAKEINFO} --version \
3025 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3028 MAKEINFO="$MISSING makeinfo"
3034 # FIXME: expect and dejagnu may become build tools?
3036 AC_CHECK_PROGS(EXPECT, expect, expect)
3037 case " $configdirs " in
3039 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3043 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3044 case " $configdirs " in
3046 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3052 NCN_STRICT_CHECK_TOOLS(AR, ar)
3053 NCN_STRICT_CHECK_TOOLS(AS, as)
3054 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3055 NCN_STRICT_CHECK_TOOLS(LD, ld)
3056 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3057 NCN_STRICT_CHECK_TOOLS(NM, nm)
3058 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3059 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3060 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3061 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3062 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3063 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3064 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3071 AC_ARG_WITH([build-time-tools],
3072 [AS_HELP_STRING([--with-build-time-tools=PATH],
3073 [use given path to find target tools during the build])],
3074 [case x"$withval" in
3077 with_build_time_tools=
3078 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3081 [with_build_time_tools=])
3083 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3084 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3085 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3086 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3087 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3088 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3090 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3091 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3092 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3093 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3094 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3095 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3096 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3097 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3098 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3099 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3100 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3101 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3103 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3105 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3106 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3107 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3108 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3109 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3110 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3112 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3113 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3115 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3116 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3117 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3118 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3119 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3120 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3121 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3122 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3123 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3124 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3125 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3126 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3127 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3128 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3129 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3130 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3131 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3133 AC_SUBST(FLAGS_FOR_TARGET)
3134 AC_SUBST(RAW_CXX_FOR_TARGET)
3136 # Certain tools may need extra flags.
3137 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3138 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3139 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3141 # When building target libraries, except in a Canadian cross, we use
3142 # the same toolchain as the compiler we just built.
3143 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3144 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3145 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3146 if test $host = $build; then
3147 case " $configdirs " in
3149 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3150 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3151 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3156 AC_SUBST(COMPILER_AS_FOR_TARGET)
3157 AC_SUBST(COMPILER_LD_FOR_TARGET)
3158 AC_SUBST(COMPILER_NM_FOR_TARGET)
3160 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3161 AC_ARG_ENABLE(maintainer-mode,
3162 [AS_HELP_STRING([--enable-maintainer-mode],
3163 [enable make rules and dependencies not useful
3164 (and sometimes confusing) to the casual installer])],
3165 USE_MAINTAINER_MODE=$enableval,
3166 USE_MAINTAINER_MODE=no)
3167 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3168 AC_SUBST(MAINTAINER_MODE_TRUE)
3169 AC_SUBST(MAINTAINER_MODE_FALSE)
3170 if test "$USE_MAINTAINER_MODE" = yes; then
3171 MAINTAINER_MODE_TRUE=
3172 MAINTAINER_MODE_FALSE='#'
3174 MAINTAINER_MODE_TRUE='#'
3175 MAINTAINER_MODE_FALSE=
3177 MAINT=$MAINTAINER_MODE_TRUE
3180 # ---------------------
3181 # GCC bootstrap support
3182 # ---------------------
3184 # Stage specific cflags for build.
3189 yes) stage1_cflags="-g -Wa,-J" ;;
3190 *) stage1_cflags="-g -J" ;;
3194 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3195 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3196 saved_CFLAGS="$CFLAGS"
3198 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3199 CFLAGS="$CFLAGS -fkeep-inline-functions"
3200 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3202 #if (__GNUC__ < 3) \
3203 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3204 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3205 #error http://gcc.gnu.org/PR29382
3208 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3209 [AC_MSG_RESULT([no])])
3211 CFLAGS="$saved_CFLAGS"
3214 AC_SUBST(stage1_cflags)
3216 # Enable --enable-checking in stage1 of the compiler.
3217 AC_ARG_ENABLE(stage1-checking,
3218 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3219 [choose additional checking for stage1 of the compiler])],
3220 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3221 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3222 stage1_checking=--enable-checking=yes,types
3224 stage1_checking=--enable-checking=$enable_checking,types
3226 AC_SUBST(stage1_checking)
3228 # Enable -Werror in bootstrap stage2 and later.
3229 AC_ARG_ENABLE(werror,
3230 [AS_HELP_STRING([--enable-werror],
3231 [enable -Werror in bootstrap stage2 and later])], [],
3232 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3237 case ${enable_werror} in
3238 yes) stage2_werror_flag="--enable-werror-always" ;;
3239 *) stage2_werror_flag="" ;;
3241 AC_SUBST(stage2_werror_flag)
3243 # If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass
3244 # --enable-build-with-cxx after stage1.
3245 if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
3246 POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx
3248 POSTSTAGE1_CONFIGURE_FLAGS=
3250 AC_SUBST(POSTSTAGE1_CONFIGURE_FLAGS)
3252 # Specify what files to not compare during bootstrap.
3254 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3256 hppa*64*-*-hpux*) ;;
3257 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3259 case " $configdirs " in
3260 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3262 AC_SUBST(compare_exclusions)
3264 AC_CONFIG_FILES([Makefile],
3265 [sed "$extrasub_build" Makefile |
3266 sed "$extrasub_host" |
3267 sed "$extrasub_target" > mf$$
3268 mv -f mf$$ Makefile],
3269 [extrasub_build="$extrasub_build"
3270 extrasub_host="$extrasub_host"
3271 extrasub_target="$extrasub_target"])
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