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 \
171 # these tools are built using the target libraries, and are intended to
172 # run only in the target environment
174 # note: any program that *uses* libraries that are in the "target_libraries"
175 # list belongs in this list.
177 target_tools="target-rda"
179 ################################################################################
181 ## All tools belong in one of the four categories, and are assigned above
182 ## We assign ${configdirs} this way to remove all embedded newlines. This
183 ## is important because configure will choke if they ever get through.
184 ## ${configdirs} is directories we build using the host tools.
185 ## ${target_configdirs} is directories we build using the target tools.
186 configdirs=`echo ${host_libs} ${host_tools}`
187 target_configdirs=`echo ${target_libraries} ${target_tools}`
188 build_configdirs=`echo ${build_libs} ${build_tools}`
190 m4_divert_text([PARSE_ARGS],
193 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
194 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
195 m4_popdef([AS_MESSAGE_LOG_FD])dnl
198 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
201 ################################################################################
203 srcname="gnu development package"
205 # This gets set non-empty for some net releases of packages.
208 # Define is_cross_compiler to save on calls to 'test'.
210 if test x"${host}" = x"${target}" ; then
213 is_cross_compiler=yes
216 # Find the build and target subdir names.
218 # Be sure to cover against remnants of an in-tree build.
219 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
220 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
221 Use a pristine source tree when building in a separate tree])
224 # Skipdirs are removed silently.
226 # Noconfigdirs are removed loudly.
230 # Make sure we don't let GNU ld be added if we didn't want it.
231 if test x$with_gnu_ld = xno ; then
233 noconfigdirs="$noconfigdirs ld gold"
237 # Make sure we don't let GNU as be added if we didn't want it.
238 if test x$with_gnu_as = xno ; then
240 noconfigdirs="$noconfigdirs gas"
244 # Make sure we don't let ZLIB be added if we didn't want it.
245 if test x$with_system_zlib = xyes ; then
247 noconfigdirs="$noconfigdirs zlib"
250 # some tools are so dependent upon X11 that if we're not building with X,
251 # it's not even worth trying to configure, much less build, that tool.
254 yes | "") ;; # the default value for this tree is that X11 is available
256 skipdirs="${skipdirs} tk itcl libgui"
257 # We won't be able to build gdbtk without X.
260 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
263 # Some are only suitable for cross toolchains.
264 # Remove these if host=target.
265 cross_only="target-libgloss target-newlib target-opcodes"
267 case $is_cross_compiler in
268 no) skipdirs="${skipdirs} ${cross_only}" ;;
271 # If both --with-headers and --with-libs are specified, default to
273 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
274 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
275 if test x"${with_newlib}" = x ; then
280 # Recognize --with-newlib/--without-newlib.
281 case ${with_newlib} in
282 no) skipdirs="${skipdirs} target-newlib" ;;
283 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
286 # Handle --enable-gold, --enable-ld.
287 # --disable-gold [--enable-ld]
288 # Build only ld. Default option.
289 # --enable-gold [--enable-ld]
290 # Build both gold and ld. Install gold as "ld.gold", install ld
291 # as "ld.bfd" and "ld".
292 # --enable-gold=default [--enable-ld]
293 # Build both gold and ld. Install gold as "ld.gold" and "ld",
294 # install ld as "ld.bfd".
295 # --enable-gold[=default] --disable-ld
296 # Build only gold, which is then installed as both "ld.gold" and "ld".
297 # --enable-gold --enable-ld=default
298 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
300 # In other words, ld is default
301 # --enable-gold=default --enable-ld=default
306 [AS_HELP_STRING([[--enable-gold[=ARG]]],
307 [build gold @<:@ARG={default,yes,no}@:>@])],
308 ENABLE_GOLD=$enableval,
310 case "${ENABLE_GOLD}" in
312 # Check for ELF target.
315 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
316 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
317 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
318 | *-*-solaris2* | *-*-nto*)
320 *-*-linux*aout* | *-*-linux*oldld*)
328 if test "$is_elf" = "yes"; then
329 # Check for target supported by gold.
331 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
332 configdirs="$configdirs gold"
333 if test x${ENABLE_GOLD} = xdefault; then
344 AC_MSG_ERROR([invalid --enable-gold argument])
349 [AS_HELP_STRING([[--enable-ld[=ARG]]],
350 [build ld @<:@ARG={default,yes,no}@:>@])],
351 ENABLE_LD=$enableval,
354 case "${ENABLE_LD}" in
356 if test x${default_ld} != x; then
357 AC_MSG_ERROR([either gold or ld can be the default ld])
363 if test x${ENABLE_GOLD} != xyes; then
364 AC_MSG_WARN([neither ld nor gold are enabled])
366 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
369 AC_MSG_ERROR([invalid --enable-ld argument])
373 # Configure extra directories which are host specific
377 configdirs="$configdirs libtermcap" ;;
380 # A target can indicate whether a language isn't supported for some reason.
381 # Only spaces may be used in this macro; not newlines or tabs.
382 unsupported_languages=
384 # Remove more programs from consideration, based on the host or
385 # target this usually means that a port of the program doesn't
389 i[[3456789]]86-*-msdosdjgpp*)
390 noconfigdirs="$noconfigdirs tcl tk itcl"
395 AC_ARG_ENABLE(libquadmath,
396 AS_HELP_STRING([--disable-libquadmath],
397 [do not build libquadmath directory]),
398 ENABLE_LIBQUADMATH=$enableval,
399 ENABLE_LIBQUADMATH=yes)
400 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
401 noconfigdirs="$noconfigdirs target-libquadmath"
405 AC_ARG_ENABLE(libquadmath-support,
406 AS_HELP_STRING([--disable-libquadmath-support],
407 [disable libquadmath support for Fortran]),
408 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
409 ENABLE_LIBQUADMATH_SUPPORT=yes)
410 enable_libquadmath_support=
411 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
412 enable_libquadmath_support=no
416 AC_ARG_ENABLE(libada,
417 [AS_HELP_STRING([--enable-libada], [build libada directory])],
418 ENABLE_LIBADA=$enableval,
420 if test "${ENABLE_LIBADA}" != "yes" ; then
421 noconfigdirs="$noconfigdirs gnattools"
424 AC_ARG_ENABLE(libssp,
425 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
426 ENABLE_LIBSSP=$enableval,
429 # Save it here so that, even in case of --enable-libgcj, if the Java
430 # front-end isn't enabled, we still get libgcj disabled.
432 case $enable_libgcj in
434 # If we reset it here, it won't get added to noconfigdirs in the
435 # target-specific build rules, so it will be forcibly enabled
436 # (unless the Java language itself isn't enabled).
440 # Make sure we get it printed in the list of not supported target libs.
441 # Don't disable libffi, though, other languages use it.
442 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
443 # Clear libgcj_saved so that even if java is enabled libffi won't be
449 AC_ARG_ENABLE(static-libjava,
450 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
451 [build static libjava @<:@default=no@:>@])],
452 ENABLE_STATIC_LIBJAVA=$enableval,
453 ENABLE_STATIC_LIBJAVA=no)
454 enable_static_libjava=
455 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
456 enable_static_libjava=yes
459 if test x$enable_static_libjava != xyes ; then
460 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
462 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
464 # Disable libmudflap on some systems.
465 if test x$enable_libmudflap = x ; then
467 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
468 # Enable libmudflap by default in GNU and friends.
471 # Enable libmudflap by default in FreeBSD.
474 # Disable it by default everywhere else.
475 noconfigdirs="$noconfigdirs target-libmudflap"
482 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
484 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
486 *-*-solaris2* | *-*-hpux11*)
488 *-*-darwin* | *-*-aix*)
495 # Enable libgomp by default on POSIX hosted systems.
496 if test x$enable_libgomp = x -a $posix_based_os = "no" ; then
497 # Disable libgomp on non POSIX hosted systems.
498 noconfigdirs="$noconfigdirs target-libgomp"
501 # Enable libgupc by default on POSIX hosted systems.
502 if test x$enable_libgupc = x -a $posix_based_os = "no" ; then
503 # Disable libgupc on non POSIX hosted systems.
504 noconfigdirs="$noconfigdirs target-libgupc"
507 # Disable libatomic on unsupported systems.
508 if test -d ${srcdir}/libatomic; then
509 if test x$enable_libatomic = x; then
510 AC_MSG_CHECKING([for libatomic support])
511 if (srcdir=${srcdir}/libatomic; \
512 . ${srcdir}/configure.tgt; \
513 test -n "$UNSUPPORTED")
516 noconfigdirs="$noconfigdirs target-libatomic"
523 # Disable libitm on unsupported systems.
524 if test -d ${srcdir}/libitm; then
525 if test x$enable_libitm = x; then
526 AC_MSG_CHECKING([for libitm support])
527 if (srcdir=${srcdir}/libitm; \
528 . ${srcdir}/configure.tgt; \
529 test -n "$UNSUPPORTED")
532 noconfigdirs="$noconfigdirs target-libitm"
539 # Disable libssp for some systems.
542 # No hosted I/O support.
543 noconfigdirs="$noconfigdirs target-libssp"
545 powerpc-*-aix* | rs6000-*-aix*)
546 noconfigdirs="$noconfigdirs target-libssp"
549 # libssp uses a misaligned load to trigger a fault, but the RL78
550 # doesn't fault for those - instead, it gives a build-time error
551 # for explicit misaligned loads.
552 noconfigdirs="$noconfigdirs target-libssp"
556 # Disable libstdc++-v3 for some systems.
559 # VxWorks uses the Dinkumware C++ library.
560 noconfigdirs="$noconfigdirs target-libstdc++-v3"
563 # the C++ libraries don't build on top of CE's C libraries
564 noconfigdirs="$noconfigdirs target-libstdc++-v3"
567 noconfigdirs="$noconfigdirs target-libstdc++-v3"
571 # Disable Fortran for some systems.
574 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
575 unsupported_languages="$unsupported_languages fortran"
579 # Disable Java if libffi is not supported.
609 powerpc-*-aix* | rs6000-*-aix*)
613 powerpc64-*-freebsd*)
617 s390-*-* | s390x-*-*)
619 sh-*-* | sh[[34]]*-*-*)
628 unsupported_languages="$unsupported_languages java"
632 # Disable Java, libgcj or related libraries for some systems.
636 i[[3456789]]86-*-darwin*)
638 x86_64-*-darwin[[912]]*)
641 noconfigdirs="$noconfigdirs ${libgcj}"
644 noconfigdirs="$noconfigdirs ${libgcj}"
647 noconfigdirs="$noconfigdirs ${libgcj}"
650 noconfigdirs="$noconfigdirs ${libgcj}"
653 noconfigdirs="$noconfigdirs ${libgcj}"
656 noconfigdirs="$noconfigdirs ${libgcj}"
659 noconfigdirs="$noconfigdirs ${libgcj}"
662 noconfigdirs="$noconfigdirs ${libgcj}"
665 noconfigdirs="$noconfigdirs ${libgcj}"
668 noconfigdirs="$noconfigdirs target-boehm-gc"
670 cris-*-* | crisv32-*-*)
671 unsupported_languages="$unsupported_languages java"
675 *) # See PR46792 regarding target-libffi.
676 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
680 # In this case, it's because the hppa64-linux target is for
681 # the kernel only at this point and has no libc, and thus no
682 # headers, crt*.o, etc., all of which are needed by these.
683 unsupported_languages="$unsupported_languages java"
686 noconfigdirs="$noconfigdirs ${libgcj}"
691 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
692 # build on HP-UX 10.20.
693 noconfigdirs="$noconfigdirs ${libgcj}"
696 noconfigdirs="$noconfigdirs ${libgcj}"
698 i[[3456789]]86-w64-mingw*)
699 noconfigdirs="$noconfigdirs ${libgcj}"
701 i[[3456789]]86-*-mingw*)
702 noconfigdirs="$noconfigdirs ${libgcj}"
705 noconfigdirs="$noconfigdirs ${libgcj}"
708 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
711 # copied from rs6000-*-* entry
712 noconfigdirs="$noconfigdirs ${libgcj}"
715 noconfigdirs="$noconfigdirs ${libgcj}"
718 noconfigdirs="$noconfigdirs ${libgcj}"
722 # Default libgloss CPU subdirectory.
723 libgloss_dir="$target_cpu"
726 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
732 cris-*-* | crisv32-*-*)
741 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
758 # Disable newlib and libgloss for various target OSes.
761 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
763 i[[3456789]]86-*-linux*)
764 # This section makes it possible to build newlib natively on linux.
765 # If we are using a cross compiler then don't configure newlib.
766 if test x${is_cross_compiler} != xno ; then
767 noconfigdirs="$noconfigdirs target-newlib"
769 noconfigdirs="$noconfigdirs target-libgloss"
770 # If we are not using a cross compiler, do configure newlib.
771 # Note however, that newlib will only be configured in this situation
772 # if the --with-newlib option has been given, because otherwise
773 # 'target-newlib' will appear in skipdirs.
775 i[[3456789]]86-*-rdos*)
776 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
778 sh*-*-pe|mips*-*-pe|arm-wince-pe)
779 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
782 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
785 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
788 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
791 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
794 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
797 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
799 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
800 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
803 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
806 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
809 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
812 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
815 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
818 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
821 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
829 noconfigdirs="$noconfigdirs ld gas gdb gprof"
830 noconfigdirs="$noconfigdirs sim target-rda"
832 i[[3456789]]86-*-darwin*)
833 noconfigdirs="$noconfigdirs ld gprof"
834 noconfigdirs="$noconfigdirs sim target-rda"
836 x86_64-*-darwin[[912]]*)
837 noconfigdirs="$noconfigdirs ld gas gprof"
838 noconfigdirs="$noconfigdirs sim target-rda"
841 noconfigdirs="$noconfigdirs ld gas gdb gprof"
842 noconfigdirs="$noconfigdirs sim target-rda"
847 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
848 && test -f /usr/local/include/gmp.h; then
853 # Remove unsupported stuff on all kaOS configurations.
854 noconfigdirs="$noconfigdirs target-libgloss"
861 noconfigdirs="$noconfigdirs target-libgloss"
863 # The tpf target doesn't support gdb yet.
865 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
868 noconfigdirs="$noconfigdirs target-rda"
873 # ld works, but does not support shared libraries.
874 # gas doesn't generate exception information.
875 noconfigdirs="$noconfigdirs gas ld"
878 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
881 # newlib is not 64 bit ready
882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
884 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
885 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
888 noconfigdirs="$noconfigdirs target-libgloss"
891 noconfigdirs="$noconfigdirs target-libgloss"
894 noconfigdirs="$noconfigdirs ld target-libgloss"
897 noconfigdirs="$noconfigdirs target-libgloss"
900 noconfigdirs="$noconfigdirs target-libgloss gdb"
903 noconfigdirs="$noconfigdirs target-libgloss"
906 noconfigdirs="$noconfigdirs gdb"
909 noconfigdirs="$noconfigdirs gdb"
912 noconfigdirs="$noconfigdirs gprof"
915 noconfigdirs="$noconfigdirs target-libgloss"
918 noconfigdirs="$noconfigdirs target-libgloss"
920 hppa1.1-*-osf* | hppa1.1-*-bsd* )
932 noconfigdirs="$noconfigdirs ld"
937 noconfigdirs="$noconfigdirs ld"
940 noconfigdirs="$noconfigdirs gdb"
943 # No gdb support yet.
944 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
948 noconfigdirs="$noconfigdirs libgui itcl ld"
952 noconfigdirs="$noconfigdirs libgui itcl ld"
954 i[[3456789]]86-w64-mingw*)
956 i[[3456789]]86-*-mingw*)
957 target_configdirs="$target_configdirs target-winsup"
960 target_configdirs="$target_configdirs target-libtermcap target-winsup"
961 noconfigdirs="$noconfigdirs target-libgloss"
962 # always build newlib if winsup directory is present.
963 if test -d "$srcdir/winsup/cygwin"; then
964 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
965 elif test -d "$srcdir/newlib"; then
966 echo "Warning: winsup/cygwin is missing so newlib can't be built."
970 noconfigdirs="$noconfigdirs target-libgloss"
972 i[[3456789]]86-*-sco3.2v5*)
973 # The linker does not yet know about weak symbols in COFF,
974 # and is not configured to handle mixed ELF and COFF.
975 noconfigdirs="$noconfigdirs ld target-libgloss"
977 i[[3456789]]86-*-sco*)
978 noconfigdirs="$noconfigdirs gprof target-libgloss"
980 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
981 noconfigdirs="$noconfigdirs target-libgloss"
983 i[[3456789]]86-*-sysv4*)
984 noconfigdirs="$noconfigdirs target-libgloss"
986 i[[3456789]]86-*-beos*)
987 noconfigdirs="$noconfigdirs gdb"
989 i[[3456789]]86-*-rdos*)
990 noconfigdirs="$noconfigdirs gdb"
993 noconfigdirs="$noconfigdirs gdb"
996 noconfigdirs="$noconfigdirs sim"
999 # copied from rs6000-*-* entry
1000 noconfigdirs="$noconfigdirs gprof"
1002 powerpc*-*-winnt* | powerpc*-*-pe*)
1003 target_configdirs="$target_configdirs target-winsup"
1004 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1005 # always build newlib.
1006 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1008 # This is temporary until we can link against shared libraries
1009 powerpcle-*-solaris*)
1010 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1013 noconfigdirs="$noconfigdirs gdb"
1016 noconfigdirs="$noconfigdirs gprof"
1019 noconfigdirs="$noconfigdirs gprof"
1022 noconfigdirs="$noconfigdirs gprof"
1025 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1028 noconfigdirs="$noconfigdirs gprof"
1031 if test x$with_newlib = xyes; then
1032 noconfigdirs="$noconfigdirs gprof"
1036 noconfigdirs="$noconfigdirs gprof target-libgloss"
1039 noconfigdirs="$noconfigdirs gprof target-libgloss"
1042 noconfigdirs="$noconfigdirs gprof target-libgloss"
1047 noconfigdirs="$noconfigdirs gprof"
1054 noconfigdirs="$noconfigdirs target-libgloss" ;;
1058 if test x${is_cross_compiler} = xno ; then
1063 noconfigdirs="$noconfigdirs sim"
1065 tilepro-*-* | tilegx-*-*)
1066 noconfigdirs="$noconfigdirs sim"
1069 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1072 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1076 # If we aren't building newlib, then don't build libgloss, since libgloss
1077 # depends upon some newlib header files.
1078 case "${noconfigdirs}" in
1079 *target-libgloss*) ;;
1080 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1083 # Work in distributions that contain no compiler tools, like Autoconf.
1084 host_makefile_frag=/dev/null
1085 if test -d ${srcdir}/config ; then
1087 i[[3456789]]86-*-msdosdjgpp*)
1088 host_makefile_frag="config/mh-djgpp"
1091 ACX_CHECK_CYGWIN_CAT_WORKS
1092 host_makefile_frag="config/mh-cygwin"
1095 host_makefile_frag="config/mh-mingw"
1098 host_makefile_frag="config/mh-pa-hpux10"
1101 host_makefile_frag="config/mh-pa"
1104 host_makefile_frag="config/mh-pa"
1107 host_makefile_frag="config/mh-darwin"
1110 host_makefile_frag="config/mh-ppc-aix"
1113 host_makefile_frag="config/mh-ppc-aix"
1118 if test "${build}" != "${host}" ; then
1119 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1120 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1121 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1122 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1123 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1124 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1125 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1126 GUPC_FOR_BUILD=${GUPC_FOR_BUILD-gupc}
1127 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1128 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1129 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1130 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1131 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1132 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1134 AR_FOR_BUILD="\$(AR)"
1135 AS_FOR_BUILD="\$(AS)"
1136 CC_FOR_BUILD="\$(CC)"
1137 CXX_FOR_BUILD="\$(CXX)"
1138 GCJ_FOR_BUILD="\$(GCJ)"
1139 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1140 GOC_FOR_BUILD="\$(GOC)"
1141 GUPC_FOR_BUILD="\$(GUPC)"
1142 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1143 LD_FOR_BUILD="\$(LD)"
1144 NM_FOR_BUILD="\$(NM)"
1145 RANLIB_FOR_BUILD="\$(RANLIB)"
1146 WINDRES_FOR_BUILD="\$(WINDRES)"
1147 WINDMC_FOR_BUILD="\$(WINDMC)"
1153 # We must set the default linker to the linker used by gcc for the correct
1154 # operation of libtool. If LD is not defined and we are using gcc, try to
1155 # set the LD default to the ld used by gcc.
1156 if test -z "$LD"; then
1157 if test "$GCC" = yes; then
1160 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1162 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1164 case $gcc_prog_ld in
1165 # Accept absolute paths.
1166 [[\\/]* | [A-Za-z]:[\\/]*)]
1167 LD="$gcc_prog_ld" ;;
1173 ACX_PROG_CMP_IGNORE_INITIAL
1175 AC_ARG_ENABLE([bootstrap],
1176 [AS_HELP_STRING([--enable-bootstrap],
1177 [enable bootstrapping @<:@yes if native build@:>@])],,
1178 enable_bootstrap=default)
1180 # Issue errors and warnings for invalid/strange bootstrap combinations.
1181 if test -r $srcdir/gcc/configure; then
1187 case "$have_compiler:$host:$target:$enable_bootstrap" in
1190 # Default behavior. Enable bootstrap if we have a compiler
1191 # and we are in a native configuration.
1192 yes:$build:$build:default)
1193 enable_bootstrap=yes ;;
1196 enable_bootstrap=no ;;
1198 # We have a compiler and we are in a native configuration, bootstrap is ok
1199 yes:$build:$build:yes)
1202 # Other configurations, but we have a compiler. Assume the user knows
1205 AC_MSG_WARN([trying to bootstrap a cross compiler])
1208 # No compiler: if they passed --enable-bootstrap explicitly, fail
1210 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1212 # Fail if wrong command line
1214 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1218 # See if we are building gcc with C++.
1219 AC_ARG_ENABLE(build-with-cxx,
1220 [AS_HELP_STRING([--enable-build-with-cxx],
1221 [build with C++ compiler instead of C compiler])],
1222 ENABLE_BUILD_WITH_CXX=$enableval,
1223 ENABLE_BUILD_WITH_CXX=no)
1225 # Build stage1 with C and build stages 2 and 3 with C++.
1226 AC_ARG_ENABLE(build-poststage1-with-cxx,
1227 [AS_HELP_STRING([--enable-build-poststage1-with-cxx],
1228 [build stages 2 and 3 with C++, not C])],
1229 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval,
1230 ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes)
1232 # Used for setting $lt_cv_objdir
1235 # Check for GMP, MPFR and MPC
1236 gmplibs="-lmpc -lmpfr -lgmp"
1240 # Specify a location for mpc
1241 # check for this first so it ends up on the link line before mpfr.
1243 [AS_HELP_STRING([--with-mpc=PATH],
1244 [specify prefix directory for installed MPC package.
1245 Equivalent to --with-mpc-include=PATH/include
1246 plus --with-mpc-lib=PATH/lib])])
1247 AC_ARG_WITH(mpc-include,
1248 [AS_HELP_STRING([--with-mpc-include=PATH],
1249 [specify directory for installed MPC include files])])
1250 AC_ARG_WITH(mpc-lib,
1251 [AS_HELP_STRING([--with-mpc-lib=PATH],
1252 [specify directory for the installed MPC library])])
1254 if test "x$with_mpc" != x; then
1255 gmplibs="-L$with_mpc/lib $gmplibs"
1256 gmpinc="-I$with_mpc/include $gmpinc"
1258 if test "x$with_mpc_include" != x; then
1259 gmpinc="-I$with_mpc_include $gmpinc"
1261 if test "x$with_mpc_lib" != x; then
1262 gmplibs="-L$with_mpc_lib $gmplibs"
1264 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1265 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1266 gmpinc='-I$$s/mpc/src '"$gmpinc"
1267 # Do not test the mpc version. Assume that it is sufficient, since
1268 # it is in the source tree, and the library has not been built yet
1269 # but it would be included on the link line in the version check below
1270 # hence making the test fail.
1274 # Specify a location for mpfr
1275 # check for this first so it ends up on the link line before gmp.
1276 AC_ARG_WITH(mpfr-dir,
1277 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1278 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1279 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1282 [AS_HELP_STRING([--with-mpfr=PATH],
1283 [specify prefix directory for installed MPFR package.
1284 Equivalent to --with-mpfr-include=PATH/include
1285 plus --with-mpfr-lib=PATH/lib])])
1286 AC_ARG_WITH(mpfr-include,
1287 [AS_HELP_STRING([--with-mpfr-include=PATH],
1288 [specify directory for installed MPFR include files])])
1289 AC_ARG_WITH(mpfr-lib,
1290 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1291 [specify directory for the installed MPFR library])])
1293 if test "x$with_mpfr" != x; then
1294 gmplibs="-L$with_mpfr/lib $gmplibs"
1295 gmpinc="-I$with_mpfr/include $gmpinc"
1297 if test "x$with_mpfr_include" != x; then
1298 gmpinc="-I$with_mpfr_include $gmpinc"
1300 if test "x$with_mpfr_lib" != x; then
1301 gmplibs="-L$with_mpfr_lib $gmplibs"
1303 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1304 # MPFR v3.1.0 moved the sources into a src sub-directory.
1305 if test -d ${srcdir}/mpfr/src; then
1306 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1307 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1308 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1310 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1311 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1312 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1314 # Do not test the mpfr version. Assume that it is sufficient, since
1315 # it is in the source tree, and the library has not been built yet
1316 # but it would be included on the link line in the version check below
1317 # hence making the test fail.
1321 # Specify a location for gmp
1322 AC_ARG_WITH(gmp-dir,
1323 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1324 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1325 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1328 [AS_HELP_STRING([--with-gmp=PATH],
1329 [specify prefix directory for the installed GMP package.
1330 Equivalent to --with-gmp-include=PATH/include
1331 plus --with-gmp-lib=PATH/lib])])
1332 AC_ARG_WITH(gmp-include,
1333 [AS_HELP_STRING([--with-gmp-include=PATH],
1334 [specify directory for installed GMP include files])])
1335 AC_ARG_WITH(gmp-lib,
1336 [AS_HELP_STRING([--with-gmp-lib=PATH],
1337 [specify directory for the installed GMP library])])
1340 if test "x$with_gmp" != x; then
1341 gmplibs="-L$with_gmp/lib $gmplibs"
1342 gmpinc="-I$with_gmp/include $gmpinc"
1344 if test "x$with_gmp_include" != x; then
1345 gmpinc="-I$with_gmp_include $gmpinc"
1347 if test "x$with_gmp_lib" != x; then
1348 gmplibs="-L$with_gmp_lib $gmplibs"
1350 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1351 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1352 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1353 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1354 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1355 # Do not test the gmp version. Assume that it is sufficient, since
1356 # it is in the source tree, and the library has not been built yet
1357 # but it would be included on the link line in the version check below
1358 # hence making the test fail.
1362 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1364 saved_CFLAGS="$CFLAGS"
1365 CFLAGS="$CFLAGS $gmpinc"
1366 # Check for the recommended and required versions of GMP.
1367 AC_MSG_CHECKING([for the correct version of gmp.h])
1368 AC_TRY_COMPILE([#include "gmp.h"],[
1369 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1370 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1371 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1374 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1375 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1376 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1377 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1380 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1381 [AC_MSG_RESULT([no]); have_gmp=no])
1383 # If we have GMP, check the MPFR version.
1384 if test x"$have_gmp" = xyes; then
1385 # Check for the recommended and required versions of MPFR.
1386 AC_MSG_CHECKING([for the correct version of mpfr.h])
1387 AC_TRY_COMPILE([#include <gmp.h>
1388 #include <mpfr.h>],[
1389 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1392 ], [AC_TRY_COMPILE([#include <gmp.h>
1393 #include <mpfr.h>],[
1394 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1397 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1398 [AC_MSG_RESULT([no]); have_gmp=no])
1401 # Check for the MPC header version.
1402 if test x"$have_gmp" = xyes ; then
1403 # Check for the recommended and required versions of MPC.
1404 AC_MSG_CHECKING([for the correct version of mpc.h])
1405 AC_TRY_COMPILE([#include <mpc.h>],[
1406 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1409 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1410 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1413 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1414 [AC_MSG_RESULT([no]); have_gmp=no])
1417 # Now check the MPFR library.
1418 if test x"$have_gmp" = xyes; then
1420 LIBS="$LIBS $gmplibs"
1421 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1422 AC_TRY_LINK([#include <mpc.h>],[
1429 mpfr_atan2 (n, n, x, GMP_RNDN);
1430 mpfr_erfc (n, x, GMP_RNDN);
1431 mpfr_subnormalize (x, t, GMP_RNDN);
1435 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1436 mpc_cosh (c, c, MPC_RNDNN);
1437 mpc_pow (c, c, c, MPC_RNDNN);
1438 mpc_acosh (c, c, MPC_RNDNN);
1440 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1444 CFLAGS="$saved_CFLAGS"
1446 # The library versions listed in the error message below should match
1447 # the HARD-minimums enforced above.
1448 if test x$have_gmp != xyes; then
1449 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1450 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1451 their locations. Source code for these libraries can be found at
1452 their respective hosting sites as well as at
1453 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1454 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1455 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1456 make sure that you have installed both the libraries and the header
1457 files. They may be located in separate packages.])
1461 # Flags needed for both GMP, MPFR and/or MPC.
1464 AC_SUBST(extra_mpfr_configure_flags)
1465 AC_SUBST(extra_mpc_gmp_configure_flags)
1466 AC_SUBST(extra_mpc_mpfr_configure_flags)
1468 # Allow host libstdc++ to be specified for static linking with PPL.
1469 AC_ARG_WITH(host-libstdcxx,
1470 [AS_HELP_STRING([--with-host-libstdcxx=L],
1471 [use linker arguments L to link with libstdc++
1472 when linking with PPL])])
1474 case $with_host_libstdcxx in
1476 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1480 # Linker flags to use for stage1 or when not boostrapping.
1481 AC_ARG_WITH(stage1-ldflags,
1482 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1483 [if test "$withval" = "no" -o "$withval" = "yes"; then
1486 stage1_ldflags=$withval
1489 AC_SUBST(stage1_ldflags)
1491 # Libraries to use for stage1 or when not bootstrapping.
1492 AC_ARG_WITH(stage1-libs,
1493 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1494 [if test "$withval" = "no" -o "$withval" = "yes"; then
1497 stage1_libs=$withval
1499 [stage1_libs=$with_host_libstdcxx])
1500 AC_SUBST(stage1_libs)
1502 # Libraries to use for stage2 and later builds. This defaults to the
1503 # argument passed to --with-host-libstdcxx.
1504 AC_ARG_WITH(boot-libs,
1505 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1506 [if test "$withval" = "no" -o "$withval" = "yes"; then
1509 poststage1_libs=$withval
1511 [poststage1_libs=$with_host_libstdcxx])
1512 AC_SUBST(poststage1_libs)
1514 # Linker flags to use for stage2 and later builds.
1515 AC_ARG_WITH(boot-ldflags,
1516 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1517 [linker flags for stage2 and later])],
1518 [if test "$withval" = "no" -o "$withval" = "yes"; then
1521 poststage1_ldflags=$withval
1523 [poststage1_ldflags=
1524 # In stages 2 and 3, default to linking libstdc++ and libgcc
1525 # statically. But if the user explicitly specified the libraries to
1526 # use, trust that they are doing what they want.
1527 if test "$poststage1_libs" = ""; then
1528 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1530 AC_SUBST(poststage1_ldflags)
1538 [AS_HELP_STRING([--with-ppl=PATH],
1539 [specify prefix directory for the installed PPL package.
1540 Equivalent to --with-ppl-include=PATH/include
1541 plus --with-ppl-lib=PATH/lib])])
1542 AC_ARG_WITH(ppl-include,
1543 [AS_HELP_STRING([--with-ppl-include=PATH],
1544 [specify directory for installed PPL include files])])
1545 AC_ARG_WITH(ppl-lib,
1546 [AS_HELP_STRING([--with-ppl-lib=PATH],
1547 [specify directory for the installed PPL library])])
1549 AC_ARG_ENABLE(ppl-version-check,
1550 [AS_HELP_STRING([--disable-ppl-version-check],
1551 [disable check for PPL version])])
1557 ppllibs="-L$with_ppl/lib"
1558 pplinc="-I$with_ppl/include $pplinc"
1559 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1562 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1567 if test x"$with_ppl_include" != x; then
1568 pplinc="-I$with_ppl_include $pplinc"
1572 if test "x$with_ppl_lib" != x; then
1573 ppllibs="-L$with_ppl_lib"
1577 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1578 if test x"$enable_watchdog" = xyes; then
1581 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1582 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1583 enable_ppl_version_check=no
1587 if test "x$with_ppl" != xno; then
1588 if test "x$pwllib" = x; then
1590 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1591 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1595 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1597 if test "$enable_ppl_version_check" != no; then
1598 saved_CFLAGS="$CFLAGS"
1599 CFLAGS="$CFLAGS $pplinc $gmpinc"
1600 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1601 AC_TRY_COMPILE([#include "ppl_c.h"],[
1602 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1605 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1606 CFLAGS="$saved_CFLAGS"
1610 # Flags needed for PPL
1617 dnl Provide configure switches and initialize clooginc & clooglibs
1618 dnl with user input.
1620 if test "x$with_ppl" = "xno"; then
1621 dnl Only execute fail-action, if CLooG has been requested.
1622 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1623 if test "${graphite_requested}" = yes; then
1624 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1628 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1629 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1630 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1631 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1633 if test "x$with_cloog" != "xno"; then
1634 dnl The minimal version of CLooG required for Graphite.
1636 dnl If we use CLooG-Legacy, the provided version information is
1638 CLOOG_CHECK_VERSION(0,16,1)
1640 dnl Only execute fail-action, if CLooG has been requested.
1642 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1645 # Check for LTO support.
1647 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1648 enable_lto=$enableval,
1649 enable_lto=yes; default_enable_lto=yes)
1651 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1652 build_lto_plugin=yes
1653 ],[if test x"$default_enable_lto" = x"yes" ; then
1655 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1656 # On other non-ELF platforms, LTO has yet to be validated.
1660 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1661 # It would also be nice to check the binutils support, but we don't
1662 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1663 # warn during gcc/ subconfigure; unless you're bootstrapping with
1664 # -flto it won't be needed until after installation anyway.
1666 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1667 *) if test x"$enable_lto" = x"yes"; then
1668 AC_MSG_ERROR([LTO support is not enabled for this target.])
1673 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1674 # Build it unless LTO was explicitly disabled.
1676 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1682 # By default, C is the only stage 1 language.
1683 stage1_languages=,c,
1685 # Target libraries that we bootstrap.
1686 bootstrap_target_libs=,target-libgcc,
1688 # Figure out what language subdirectories are present.
1689 # Look if the user specified --enable-languages="..."; if not, use
1690 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1692 # NB: embedded tabs in this IF block -- do not untabify
1693 if test -d ${srcdir}/gcc; then
1694 if test x"${enable_languages+set}" != xset; then
1695 if test x"${LANGUAGES+set}" = xset; then
1696 enable_languages="${LANGUAGES}"
1697 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1699 enable_languages=all
1702 if test x"${enable_languages}" = x ||
1703 test x"${enable_languages}" = xyes;
1705 echo configure.in: --enable-languages needs at least one language argument 1>&2
1709 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1711 # 'f95' is the old name for the 'fortran' language. We issue a warning
1712 # and make the substitution.
1713 case ,${enable_languages}, in
1715 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1716 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1720 # If bootstrapping, then using --enable-build-with-cxx or
1721 # --enable-build-poststage1-with-cxx requires enabling C++.
1722 case ",$enable_languages,:,$ENABLE_BUILD_WITH_CXX,$ENABLE_BUILD_POSTSTAGE1_WITH_CXX,:$enable_bootstrap" in
1725 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1726 enable_languages="${enable_languages},c++"
1728 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx or --enable-build-poststage1-with-cxx requires c++ sources])
1733 # First scan to see if an enabled language requires some other language.
1734 # We assume that a given config-lang.in will list all the language
1735 # front ends it requires, even if some are required indirectly.
1736 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1737 case ${lang_frag} in
1739 # The odd quoting in the next line works around
1740 # an apparent bug in bash 1.12 on linux.
1741 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1743 # From the config-lang.in, get $language, $lang_requires, and
1744 # $lang_requires_boot_languages.
1747 lang_requires_boot_languages=
1749 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1750 case ,${enable_languages}, in
1754 echo " \`$other' language required by \`$language'; enabling" 1>&2
1755 enable_languages="${enable_languages},${other}"
1759 for other in ${lang_requires_boot_languages} ; do
1760 if test "$other" != "c"; then
1761 case ,${enable_stage1_languages}, in
1765 case ,${enable_languages}, in
1767 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1768 enable_stage1_languages="$enable_stage1_languages,${other}"
1779 new_enable_languages=,c,
1781 # If LTO is enabled, add the LTO front end.
1782 extra_host_libiberty_configure_flags=
1783 if test "$enable_lto" = "yes" ; then
1784 case ,${enable_languages}, in
1786 *) enable_languages="${enable_languages},lto" ;;
1788 if test "${build_lto_plugin}" = "yes" ; then
1789 configdirs="$configdirs lto-plugin"
1790 extra_host_libiberty_configure_flags=--enable-shared
1793 AC_SUBST(extra_host_libiberty_configure_flags)
1795 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1796 potential_languages=,c,
1798 enabled_target_libs=
1799 disabled_target_libs=
1801 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1802 case ${lang_frag} in
1804 # The odd quoting in the next line works around
1805 # an apparent bug in bash 1.12 on linux.
1806 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1808 # From the config-lang.in, get $language, $target_libs,
1809 # $lang_dirs, $boot_language, and $build_by_default
1815 build_by_default=yes
1817 if test x${language} = x; then
1818 echo "${lang_frag} doesn't set \$language." 1>&2
1822 if test "$language" = "c++"; then
1823 if test "$ENABLE_BUILD_WITH_CXX" = "yes" \
1824 || test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
1829 case ,${enable_languages}, in
1831 # Language was explicitly selected; include it.
1835 # 'all' was selected, select it if it is a default language
1836 add_this_lang=${build_by_default}
1843 # Disable languages that need other directories if these aren't available.
1844 for i in $subdir_requires; do
1845 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1846 case ,${enable_languages}, in
1848 # Specifically requested language; tell them.
1849 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1853 add_this_lang=unsupported
1858 # Disable Ada if no preexisting GNAT is available.
1859 case ,${enable_languages},:${language}:${have_gnat} in
1860 *,${language},*:ada:no)
1861 # Specifically requested language; tell them.
1862 AC_MSG_ERROR([GNAT is required to build $language])
1866 add_this_lang=unsupported
1870 # Disable a language that is unsupported by the target.
1871 case " $unsupported_languages " in
1873 add_this_lang=unsupported
1877 case $add_this_lang in
1879 # Remove language-dependent dirs.
1880 disabled_target_libs="$disabled_target_libs $target_libs"
1881 noconfigdirs="$noconfigdirs $lang_dirs"
1884 # Remove language-dependent dirs; still show language as supported.
1885 disabled_target_libs="$disabled_target_libs $target_libs"
1886 noconfigdirs="$noconfigdirs $lang_dirs"
1887 potential_languages="${potential_languages}${language},"
1890 new_enable_languages="${new_enable_languages}${language},"
1891 potential_languages="${potential_languages}${language},"
1892 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1893 enabled_target_libs="$enabled_target_libs $target_libs"
1894 case "${boot_language}:,$enable_stage1_languages," in
1895 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1896 # Add to (comma-separated) list of stage 1 languages.
1897 case ",$stage1_languages," in
1898 *,$language,* | ,yes, | ,all,) ;;
1899 *) stage1_languages="${stage1_languages}${language}," ;;
1901 # We need to bootstrap any supporting libraries.
1902 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1911 # Add target libraries which are only needed for disabled languages
1913 if test -n "$disabled_target_libs"; then
1914 for dir in $disabled_target_libs; do
1915 case " $enabled_target_libs " in
1917 *) noconfigdirs="$noconfigdirs $dir" ;;
1922 AC_ARG_ENABLE(stage1-languages,
1923 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1924 [choose additional languages to build during
1925 stage1. Mostly useful for compiler development])],
1926 [case ,${enable_stage1_languages}, in
1928 # Set it to something that will have no effect in the loop below
1929 enable_stage1_languages=c ;;
1931 enable_stage1_languages=`echo $new_enable_languages | \
1932 sed -e "s/^,//" -e "s/,$//" ` ;;
1934 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1935 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1938 # Add "good" languages from enable_stage1_languages to stage1_languages,
1939 # while "bad" languages go in missing_languages. Leave no duplicates.
1940 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1941 case $potential_languages in
1943 case $stage1_languages in
1945 *) stage1_languages="$stage1_languages$i," ;;
1948 case $missing_languages in
1950 *) missing_languages="$missing_languages$i," ;;
1955 # Remove leading/trailing commas that were added for simplicity
1956 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1957 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1958 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1959 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1961 if test "x$missing_languages" != x; then
1963 The following requested languages could not be built: ${missing_languages}
1964 Supported languages are: ${potential_languages}])
1966 if test "x$new_enable_languages" != "x$enable_languages"; then
1967 echo The following languages will be built: ${new_enable_languages}
1968 enable_languages="$new_enable_languages"
1971 AC_SUBST(stage1_languages)
1972 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1975 # Handle --disable-<component> generically.
1976 for dir in $configdirs $build_configdirs $target_configdirs ; do
1977 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1978 varname=`echo $dirname | sed -e s/+/_/g`
1979 if eval test x\${enable_${varname}} "=" xno ; then
1980 noconfigdirs="$noconfigdirs $dir"
1984 # Check for Boehm's garbage collector
1985 AC_ARG_ENABLE(objc-gc,
1986 [AS_HELP_STRING([--enable-objc-gc],
1987 [enable use of Boehm's garbage collector with the
1988 GNU Objective-C runtime])],
1989 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1990 *,objc,*:*:yes:*target-boehm-gc*)
1991 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1995 # Make sure we only build Boehm's garbage collector if required.
1996 case ,${enable_languages},:${enable_objc_gc} in
1998 # Keep target-boehm-gc if requested for Objective-C.
2001 # Otherwise remove target-boehm-gc depending on target-libjava.
2002 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2003 noconfigdirs="$noconfigdirs target-boehm-gc"
2008 AC_ARG_WITH([upc-pts],
2010 [[--with-upc-pts=[{struct,packed}]]],
2011 [choose the representation of a UPC pointer-to-shared]),
2013 case ,${enable_languages}, in
2020 AC_MSG_ERROR([$withval is an invalid option to --with-upc-pts])
2025 AC_MSG_ERROR([--with-upc-pts supplied, but UPC language not enabled])
2030 # Disable libitm if we're not building C++
2031 case ,${enable_languages}, in
2034 noconfigdirs="$noconfigdirs target-libitm"
2038 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2039 # $build_configdirs and $target_configdirs.
2040 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2043 for dir in . $skipdirs $noconfigdirs ; do
2044 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2045 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2046 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2047 if test -r $srcdir/$dirname/configure ; then
2048 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2051 notsupp="$notsupp $dir"
2055 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2056 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2057 if test -r $srcdir/$dirname/configure ; then
2058 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2061 notsupp="$notsupp $dir"
2065 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2066 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2067 if test -r $srcdir/$dirname/configure ; then
2068 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2071 notsupp="$notsupp $dir"
2077 # Quietly strip out all directories which aren't configurable in this tree.
2078 # This relies on all configurable subdirectories being autoconfiscated, which
2080 build_configdirs_all="$build_configdirs"
2082 for i in ${build_configdirs_all} ; do
2083 j=`echo $i | sed -e s/build-//g`
2084 if test -f ${srcdir}/$j/configure ; then
2085 build_configdirs="${build_configdirs} $i"
2089 configdirs_all="$configdirs"
2091 for i in ${configdirs_all} ; do
2092 if test -f ${srcdir}/$i/configure ; then
2093 configdirs="${configdirs} $i"
2097 target_configdirs_all="$target_configdirs"
2099 for i in ${target_configdirs_all} ; do
2100 j=`echo $i | sed -e s/target-//g`
2101 if test -f ${srcdir}/$j/configure ; then
2102 target_configdirs="${target_configdirs} $i"
2106 # Produce a warning message for the subdirs we can't configure.
2107 # This isn't especially interesting in the Cygnus tree, but in the individual
2108 # FSF releases, it's important to let people know when their machine isn't
2109 # supported by the one or two programs in a package.
2111 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2112 # If $appdirs is non-empty, at least one of those directories must still
2113 # be configured, or we error out. (E.g., if the gas release supports a
2114 # specified target in some subdirs but not the gas subdir, we shouldn't
2115 # pretend that all is well.)
2116 if test -n "$appdirs" ; then
2117 for dir in $appdirs ; do
2118 if test -r $dir/Makefile.in ; then
2119 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2123 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2129 if test -n "$appdirs" ; then
2130 echo "*** This configuration is not supported by this package." 1>&2
2134 # Okay, some application will build, or we don't care to check. Still
2135 # notify of subdirs not getting built.
2136 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2137 echo " ${notsupp}" 1>&2
2138 echo " (Any other directories should still work fine.)" 1>&2
2146 # To find our prefix, in gcc_cv_tool_prefix.
2151 AC_ARG_WITH([build-sysroot],
2152 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2153 [use sysroot as the system root during the build])],
2154 [if test x"$withval" != x ; then
2155 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2157 [SYSROOT_CFLAGS_FOR_TARGET=])
2158 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2160 AC_ARG_WITH([debug-prefix-map],
2161 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2162 [map A to B, C to D ... in debug information])],
2163 [if test x"$withval" != x; then
2164 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2165 for debug_map in $withval; do
2166 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2169 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2170 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2172 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2173 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2174 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2175 # We want to ensure that TARGET libraries (which we know are built with
2176 # gcc) are built with "-O2 -g", so include those options when setting
2177 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2178 if test "x$CFLAGS_FOR_TARGET" = x; then
2179 CFLAGS_FOR_TARGET=$CFLAGS
2182 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2185 *" -g "* | *" -g3 "*) ;;
2186 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2189 AC_SUBST(CFLAGS_FOR_TARGET)
2191 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2192 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2193 case " $CXXFLAGS " in
2195 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2197 case " $CXXFLAGS " in
2198 *" -g "* | *" -g3 "*) ;;
2199 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2202 AC_SUBST(CXXFLAGS_FOR_TARGET)
2204 AC_SUBST(LDFLAGS_FOR_TARGET)
2206 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2207 # the named directory are copied to $(tooldir)/sys-include.
2208 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2209 if test x${is_cross_compiler} = xno ; then
2210 echo 1>&2 '***' --with-headers is only supported when cross compiling
2213 if test x"${with_headers}" != xyes ; then
2214 x=${gcc_cv_tool_prefix}
2215 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2219 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2220 # the name directories are copied to $(tooldir)/lib. Multiple directories
2222 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2223 if test x${is_cross_compiler} = xno ; then
2224 echo 1>&2 '***' --with-libs is only supported when cross compiling
2227 if test x"${with_libs}" != xyes ; then
2228 # Copy the libraries in reverse order, so that files in the first named
2229 # library override files in subsequent libraries.
2230 x=${gcc_cv_tool_prefix}
2231 for l in ${with_libs}; do
2232 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2237 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2239 # This is done by determining whether or not the appropriate directory
2240 # is available, and by checking whether or not specific configurations
2241 # have requested that this magic not happen.
2243 # The command line options always override the explicit settings in
2244 # configure.in, and the settings in configure.in override this magic.
2246 # If the default for a toolchain is to use GNU as and ld, and you don't
2247 # want to do that, then you should use the --without-gnu-as and
2248 # --without-gnu-ld options for the configure script. Similarly, if
2249 # the default is to use the included zlib and you don't want to do that,
2250 # you should use the --with-system-zlib option for the configure script.
2252 if test x${use_gnu_as} = x &&
2253 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2255 extra_host_args="$extra_host_args --with-gnu-as"
2258 if test x${use_gnu_ld} = x &&
2259 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2261 extra_host_args="$extra_host_args --with-gnu-ld"
2264 if test x${use_included_zlib} = x &&
2265 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2268 with_system_zlib=yes
2269 extra_host_args="$extra_host_args --with-system-zlib"
2272 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2273 # can detect this case.
2275 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2277 extra_host_args="$extra_host_args --with-newlib"
2280 # Handle ${copy_dirs}
2281 set fnord ${copy_dirs}
2283 while test $# != 0 ; do
2284 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2287 echo Copying $1 to $2
2289 # Use the install script to create the directory and all required
2290 # parent directories.
2291 if test -d $2 ; then
2295 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2298 # Copy the directory, assuming we have tar.
2299 # FIXME: Should we use B in the second tar? Not all systems support it.
2300 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2302 # It is the responsibility of the user to correctly adjust all
2303 # symlinks. If somebody can figure out how to handle them correctly
2304 # here, feel free to add the code.
2311 # Determine a target-dependent exec_prefix that the installed
2312 # gcc will search in. Keep this list sorted by triplet, with
2313 # the *-*-osname triplets last.
2316 i[[34567]]86-pc-msdosdjgpp*)
2317 md_exec_prefix=/dev/env/DJDIR/bin
2322 md_exec_prefix=/usr/ccs/bin
2326 extra_arflags_for_target=
2327 extra_nmflags_for_target=
2328 extra_ranlibflags_for_target=
2329 target_makefile_frag=/dev/null
2332 target_makefile_frag="config/mt-spu"
2335 target_makefile_frag="config/mt-sde"
2337 mipsisa*-*-elfoabi*)
2338 target_makefile_frag="config/mt-mips-elfoabi"
2340 mips*-*-*linux* | mips*-*-gnu*)
2341 target_makefile_frag="config/mt-mips-gnu"
2343 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2344 target_makefile_frag="config/mt-gnu"
2346 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2347 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2348 # commands to handle both 32-bit and 64-bit objects. These flags are
2349 # harmless if we're using GNU nm or ar.
2350 extra_arflags_for_target=" -X32_64"
2351 extra_nmflags_for_target=" -B -X32_64"
2355 alphaieee_frag=/dev/null
2358 # This just makes sure to use the -mieee option to build target libs.
2359 # This should probably be set individually by each library.
2360 alphaieee_frag="config/mt-alphaieee"
2364 # If --enable-target-optspace always use -Os instead of -O2 to build
2365 # the target libraries, similarly if it is not specified, use -Os
2366 # on selected platforms.
2367 ospace_frag=/dev/null
2368 case "${enable_target_optspace}:${target}" in
2370 ospace_frag="config/mt-ospace"
2373 ospace_frag="config/mt-d30v"
2375 :m32r-* | :d10v-* | :fr30-*)
2376 ospace_frag="config/mt-ospace"
2381 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2385 # Some systems (e.g., one of the i386-aix systems the gas testers are
2386 # using) don't handle "\$" correctly, so don't use it here.
2387 tooldir='${exec_prefix}'/${target_noncanonical}
2388 build_tooldir=${tooldir}
2390 # Create a .gdbinit file which runs the one in srcdir
2391 # and tells GDB to look there for source files.
2393 if test -r ${srcdir}/.gdbinit ; then
2396 *) cat > ./.gdbinit <<EOF
2400 source ${srcdir}/.gdbinit
2406 # Make sure that the compiler is able to generate an executable. If it
2407 # can't, we are probably in trouble. We don't care whether we can run the
2408 # executable--we might be using a cross compiler--we only care whether it
2409 # can be created. At this point the main configure script has set CC.
2411 echo "int main () { return 0; }" > conftest.c
2412 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2413 if test $? = 0 ; then
2414 if test -s conftest || test -s conftest.exe ; then
2420 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2421 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2428 # Decide which environment variable is used to find dynamic libraries.
2430 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2431 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2432 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2433 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2436 # On systems where the dynamic library environment variable is PATH,
2437 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2438 # built executables to PATH.
2439 if test "$RPATH_ENVVAR" = PATH; then
2440 GCC_SHLIB_SUBDIR=/shlib
2445 # Record target_configdirs and the configure arguments for target and
2446 # build configuration in Makefile.
2447 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2448 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2450 # If we are building libgomp, bootstrap it.
2451 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2452 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2455 # Determine whether gdb needs tk/tcl or not.
2456 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2457 # and in that case we want gdb to be built without tk. Ugh!
2458 # In fact I believe gdb is the *only* package directly dependent on tk,
2459 # so we should be able to put the 'maybe's in unconditionally and
2460 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2461 # 100% sure that that's safe though.
2463 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2464 case "$enable_gdbtk" in
2468 GDB_TK="${gdb_tk}" ;;
2470 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2471 # distro. Eventually someone will fix this and move Insight, nee
2472 # gdbtk to a separate directory.
2473 if test -d ${srcdir}/gdb/gdbtk ; then
2480 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2481 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2483 # Strip out unwanted targets.
2485 # While at that, we remove Makefiles if we were started for recursive
2486 # configuration, so that the top-level Makefile reconfigures them,
2487 # like we used to do when configure itself was recursive.
2489 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2490 # but now we're fixing up the Makefile ourselves with the additional
2491 # commands passed to AC_CONFIG_FILES. Use separate variables
2492 # extrasub-{build,host,target} not because there is any reason to split
2493 # the substitutions up that way, but only to remain below the limit of
2494 # 99 commands in a script, for HP-UX sed.
2495 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2497 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2498 yes:yes:*\ gold\ *:*,c++,*) ;;
2499 yes:yes:*\ gold\ *:*)
2500 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2504 # Adjust the toplevel makefile according to whether bootstrap was selected.
2505 case $enable_bootstrap in
2507 bootstrap_suffix=bootstrap
2508 BUILD_CONFIG=bootstrap-debug
2511 bootstrap_suffix=no-bootstrap
2516 AC_MSG_CHECKING(for default BUILD_CONFIG)
2518 AC_ARG_WITH([build-config],
2519 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2520 [use config/NAME.mk build configuration])],
2521 [case $with_build_config in
2522 yes) with_build_config= ;;
2523 no) with_build_config= BUILD_CONFIG= ;;
2526 if test "x${with_build_config}" != x; then
2527 BUILD_CONFIG=$with_build_config
2529 case $BUILD_CONFIG in
2531 if echo "int f (void) { return 0; }" > conftest.c &&
2532 ${CC} -c conftest.c &&
2533 mv conftest.o conftest.o.g0 &&
2534 ${CC} -c -g conftest.c &&
2535 mv conftest.o conftest.o.g &&
2536 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2541 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2545 AC_MSG_RESULT($BUILD_CONFIG)
2546 AC_SUBST(BUILD_CONFIG)
2549 for module in ${build_configdirs} ; do
2550 if test -z "${no_recursion}" \
2551 && test -f ${build_subdir}/${module}/Makefile; then
2552 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2553 rm -f ${build_subdir}/${module}/Makefile
2555 extrasub_build="$extrasub_build
2556 /^@if build-$module\$/d
2557 /^@endif build-$module\$/d
2558 /^@if build-$module-$bootstrap_suffix\$/d
2559 /^@endif build-$module-$bootstrap_suffix\$/d"
2562 for module in ${configdirs} ; do
2563 if test -z "${no_recursion}"; then
2564 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2565 if test -f ${file}; then
2566 echo 1>&2 "*** removing ${file} to force reconfigure"
2571 extrasub_host="$extrasub_host
2573 /^@endif $module\$/d
2574 /^@if $module-$bootstrap_suffix\$/d
2575 /^@endif $module-$bootstrap_suffix\$/d"
2578 for module in ${target_configdirs} ; do
2579 if test -z "${no_recursion}" \
2580 && test -f ${target_subdir}/${module}/Makefile; then
2581 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2582 rm -f ${target_subdir}/${module}/Makefile
2585 # We only bootstrap target libraries listed in bootstrap_target_libs.
2586 case $bootstrap_target_libs in
2587 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2588 *) target_bootstrap_suffix=no-bootstrap ;;
2591 extrasub_target="$extrasub_target
2592 /^@if target-$module\$/d
2593 /^@endif target-$module\$/d
2594 /^@if target-$module-$target_bootstrap_suffix\$/d
2595 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2598 # Do the final fixup along with target modules.
2599 extrasub_target="$extrasub_target
2600 /^@if /,/^@endif /d"
2602 # Create the serialization dependencies. This uses a temporary file.
2604 AC_ARG_ENABLE([serial-configure],
2605 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2606 [force sequential configuration of
2607 sub-packages for the host, target or build
2608 machine, or all sub-packages])])
2610 case ${enable_serial_configure} in
2612 enable_serial_build_configure=yes
2613 enable_serial_host_configure=yes
2614 enable_serial_target_configure=yes
2618 # These force 'configure's to be done one at a time, to avoid problems
2619 # with contention over a shared config.cache.
2621 echo '# serdep.tmp' > serdep.tmp
2623 test "x${enable_serial_build_configure}" = xyes &&
2624 for item in ${build_configdirs} ; do
2627 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2632 test "x${enable_serial_host_configure}" = xyes &&
2633 for item in ${configdirs} ; do
2636 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2641 test "x${enable_serial_target_configure}" = xyes &&
2642 for item in ${target_configdirs} ; do
2645 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2649 serialization_dependencies=serdep.tmp
2650 AC_SUBST_FILE(serialization_dependencies)
2652 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2653 # target, nonopt, and variable assignments. These are the ones we
2654 # might not want to pass down to subconfigures. The exception being
2655 # --cache-file=/dev/null, which is used to turn off the use of cache
2656 # files altogether, and which should be passed on to subconfigures.
2657 # Also strip program-prefix, program-suffix, and program-transform-name,
2658 # so that we can pass down a consistent program-transform-name.
2663 eval "set -- $ac_configure_args"
2666 if test X"$skip_next" = X"yes"; then
2670 if test X"$keep_next" = X"yes"; then
2673 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2675 baseargs="$baseargs '$ac_arg'"
2676 tbaseargs="$tbaseargs '$ac_arg'"
2681 # Handle separated arguments. Based on the logic generated by
2684 *=* | --config-cache | -C | -disable-* | --disable-* \
2685 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2686 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2687 | -with-* | --with-* | -without-* | --without-* | --x)
2701 --with-* | --without-*)
2702 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2706 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2709 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2718 mpc | mpfr | gmp | ppl | cloog)
2719 # If we're processing --with-$lib, --with-$lib-include or
2720 # --with-$lib-lib, for one of the libs above, and target is
2721 # different from host, don't pass the current argument to any
2722 # target library's configure.
2723 if test x$is_cross_compiler = xyes; then
2732 --cache-file=/dev/null | \
2733 -cache-file=/dev/null )
2734 # Handled here to avoid the test to skip args below.
2735 baseargs="$baseargs '$ac_arg'"
2736 tbaseargs="$tbaseargs '$ac_arg'"
2737 # Assert: $separate_arg should always be no.
2738 keep_next=$separate_arg
2754 -program-prefix* | \
2755 -program-suffix* | \
2756 -program-transform-name* )
2757 skip_next=$separate_arg
2761 # An option. Add it.
2764 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2766 baseargs="$baseargs '$ac_arg'"
2767 if test X"$skip_targ" = Xno; then
2768 tbaseargs="$tbaseargs '$ac_arg'"
2770 keep_next=$separate_arg
2773 # Either a variable assignment, or a nonopt (triplet). Don't
2774 # pass it down; let the Makefile handle this.
2779 # Remove the initial space we just introduced and, as these will be
2780 # expanded by make, quote '$'.
2781 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2783 # Add in --program-transform-name, after --program-prefix and
2784 # --program-suffix have been applied to it. Autoconf has already
2785 # doubled dollar signs and backslashes in program_transform_name; we want
2786 # the backslashes un-doubled, and then the entire thing wrapped in single
2787 # quotes, because this will be expanded first by make and then by the shell.
2788 # Also, because we want to override the logic in subdir configure scripts to
2789 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2790 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2791 ${program_transform_name}
2793 gcc_transform_name=`cat conftestsed.out`
2794 rm -f conftestsed.out
2795 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2796 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2797 if test "$silent" = yes; then
2798 baseargs="$baseargs --silent"
2799 tbaseargs="$tbaseargs --silent"
2801 baseargs="$baseargs --disable-option-checking"
2802 tbaseargs="$tbaseargs --disable-option-checking"
2804 # Record and document user additions to sub configure arguments.
2805 AC_ARG_VAR([build_configargs],
2806 [additional configure arguments for build directories])
2807 AC_ARG_VAR([host_configargs],
2808 [additional configure arguments for host directories])
2809 AC_ARG_VAR([target_configargs],
2810 [additional configure arguments for target directories])
2812 # For the build-side libraries, we just need to pretend we're native,
2813 # and not use the same cache file. Multilibs are neither needed nor
2815 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2817 # For host modules, accept cache file option, or specification as blank.
2818 case "${cache_file}" in
2820 cache_file_option="" ;;
2821 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2822 cache_file_option="--cache-file=${cache_file}" ;;
2824 cache_file_option="--cache-file=../${cache_file}" ;;
2827 # Host dirs don't like to share a cache file either, horribly enough.
2828 # This seems to be due to autoconf 2.5x stupidity.
2829 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2831 target_configargs="$target_configargs ${tbaseargs}"
2833 # Passing a --with-cross-host argument lets the target libraries know
2834 # whether they are being built with a cross-compiler or being built
2835 # native. However, it would be better to use other mechanisms to make the
2836 # sorts of decisions they want to make on this basis. Please consider
2837 # this option to be deprecated. FIXME.
2838 if test x${is_cross_compiler} = xyes ; then
2839 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2842 # Default to --enable-multilib.
2843 if test x${enable_multilib} = x ; then
2844 target_configargs="--enable-multilib ${target_configargs}"
2847 # Pass --with-newlib if appropriate. Note that target_configdirs has
2848 # changed from the earlier setting of with_newlib.
2849 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2850 target_configargs="--with-newlib ${target_configargs}"
2853 # Different target subdirs use different values of certain variables
2854 # (notably CXX). Worse, multilibs use *lots* of different values.
2855 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2856 # it doesn't automatically accept command-line overrides of them.
2857 # This means it's not safe for target subdirs to share a cache file,
2858 # which is disgusting, but there you have it. Hopefully this can be
2859 # fixed in future. It's still worthwhile to use a cache file for each
2860 # directory. I think.
2862 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2863 # We need to pass --target, as newer autoconf's requires consistency
2864 # for target_alias and gcc doesn't manage it consistently.
2865 target_configargs="--cache-file=./config.cache ${target_configargs}"
2868 case " $target_configdirs " in
2870 case " $target_configargs " in
2871 *" --with-newlib "*)
2874 FLAGS_FOR_TARGET=$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'
2878 # If we're not building GCC, don't discard standard headers.
2879 if test -d ${srcdir}/gcc; then
2880 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2882 if test "${build}" != "${host}"; then
2883 # On Canadian crosses, CC_FOR_TARGET will have already been set
2884 # by `configure', so we won't have an opportunity to add -Bgcc/
2885 # to it. This is right: we don't want to search that directory
2886 # for binaries, but we want the header files in there, so add
2888 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2890 # Someone might think of using the pre-installed headers on
2891 # Canadian crosses, in case the installed compiler is not fully
2892 # compatible with the compiler being built. In this case, it
2893 # would be better to flag an error than risking having
2894 # incompatible object files being constructed. We can't
2895 # guarantee that an error will be flagged, but let's hope the
2896 # compiler will do it, when presented with incompatible header
2901 case "${target}-${is_cross_compiler}" in
2902 i[[3456789]]86-*-linux*-no)
2903 # Here host == target, so we don't need to build gcc,
2904 # so we don't want to discard standard headers.
2905 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2908 # If we're building newlib, use its generic headers last, but search
2909 # for any libc-related directories first (so make it the last -B
2911 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2913 # If we're building libgloss, find the startup file, simulator library
2914 # and linker script.
2915 case " $target_configdirs " in
2917 # Look for startup file, simulator library and maybe linker script.
2918 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2919 # Look for libnosys.a in case the target needs it.
2920 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2921 # Most targets have the linker script in the source directory.
2922 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2933 x86_64-*mingw* | *-w64-mingw*)
2934 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2935 # however, use a symlink named 'mingw' in ${prefix} .
2936 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2939 # MinGW can't be handled as Cygwin above since it does not use newlib.
2940 FLAGS_FOR_TARGET=$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'
2944 # Allow the user to override the flags for
2945 # our build compiler if desired.
2946 if test x"${build}" = x"${host}" ; then
2947 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2948 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2949 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2952 # On Canadian crosses, we'll be searching the right directories for
2953 # the previously-installed cross compiler, so don't bother to add
2954 # flags for directories within the install tree of the compiler
2955 # being built; programs in there won't even run.
2956 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2957 # Search for pre-installed headers if nothing else fits.
2958 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2961 if test "x${use_gnu_ld}" = x &&
2962 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2963 # Arrange for us to find uninstalled linker scripts.
2964 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2967 # Search for other target-specific linker scripts and such.
2970 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2974 # UPC linker script check
2975 AC_MSG_CHECKING([for UPC link script support])
2976 AC_ARG_ENABLE(upc-link-script,
2978 [--enable-upc-link-script],
2979 [enable UPC's use of a custom linker script;
2980 this will define the UPC shared section as a no load section on
2981 targets where this feature is supported (requires GNU LD)]),
2986 AC_MSG_ERROR([--enable-upc-link-script accepts only yes or no.])
2991 if test x${use_gnu_ld} != xno ; then
2993 # disable linker script for Apple Mac OS X
2995 enable_upc_link_script=no
2998 enable_upc_link_script=yes
3002 enable_upc_link_script=no
3004 if test "$enable_upc_link_script" = yes; then
3005 target_configargs="${target_configargs} --enable-upc-link-script"
3006 host_configargs="${host_configargs} --enable-upc-link-script"
3009 if test "$enable_upc_link_script" = yes; then
3010 AC_MSG_RESULT([yes]);
3012 AC_MSG_RESULT([no]);
3016 # Makefile fragments.
3017 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3019 eval fragval=\$$frag
3020 if test $fragval != /dev/null; then
3021 eval $frag=${srcdir}/$fragval
3024 AC_SUBST_FILE(host_makefile_frag)
3025 AC_SUBST_FILE(target_makefile_frag)
3026 AC_SUBST_FILE(alphaieee_frag)
3027 AC_SUBST_FILE(ospace_frag)
3029 # Miscellanea: directories, flags, etc.
3030 AC_SUBST(RPATH_ENVVAR)
3031 AC_SUBST(GCC_SHLIB_SUBDIR)
3033 AC_SUBST(build_tooldir)
3034 AC_SUBST(CONFIGURE_GDB_TK)
3036 AC_SUBST(INSTALL_GDB_TK)
3038 # Build module lists & subconfigure args.
3039 AC_SUBST(build_configargs)
3040 AC_SUBST(build_configdirs)
3042 # Host module lists & subconfigure args.
3043 AC_SUBST(host_configargs)
3044 AC_SUBST(configdirs)
3045 AC_SUBST(target_configdirs)
3047 # Target module lists & subconfigure args.
3048 AC_SUBST(target_configargs)
3052 AC_SUBST(AR_FOR_BUILD)
3053 AC_SUBST(AS_FOR_BUILD)
3054 AC_SUBST(CC_FOR_BUILD)
3055 AC_SUBST(CFLAGS_FOR_BUILD)
3056 AC_SUBST(CXXFLAGS_FOR_BUILD)
3057 AC_SUBST(CXX_FOR_BUILD)
3058 AC_SUBST(DLLTOOL_FOR_BUILD)
3059 AC_SUBST(GCJ_FOR_BUILD)
3060 AC_SUBST(GFORTRAN_FOR_BUILD)
3061 AC_SUBST(GOC_FOR_BUILD)
3062 AC_SUBST(GUPC_FOR_BUILD)
3063 AC_SUBST(LDFLAGS_FOR_BUILD)
3064 AC_SUBST(LD_FOR_BUILD)
3065 AC_SUBST(NM_FOR_BUILD)
3066 AC_SUBST(RANLIB_FOR_BUILD)
3067 AC_SUBST(WINDMC_FOR_BUILD)
3068 AC_SUBST(WINDRES_FOR_BUILD)
3070 # Generate default definitions for YACC, M4, LEX and other programs that run
3071 # on the build machine. These are used if the Makefile can't locate these
3072 # programs in objdir.
3073 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3075 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3076 case " $build_configdirs " in
3077 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3080 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3081 case " $build_configdirs " in
3082 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3085 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3086 case " $build_configdirs " in
3087 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3090 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3091 case " $build_configdirs " in
3092 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3093 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3096 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3097 case " $build_configdirs " in
3098 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3101 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3102 case " $build_configdirs " in
3103 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3106 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3107 # higher, else we use the "missing" dummy.
3108 if ${MAKEINFO} --version \
3109 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3112 MAKEINFO="$MISSING makeinfo"
3118 # FIXME: expect and dejagnu may become build tools?
3120 AC_CHECK_PROGS(EXPECT, expect, expect)
3121 case " $configdirs " in
3123 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3127 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3128 case " $configdirs " in
3130 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3136 NCN_STRICT_CHECK_TOOLS(AR, ar)
3137 NCN_STRICT_CHECK_TOOLS(AS, as)
3138 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3139 NCN_STRICT_CHECK_TOOLS(LD, ld)
3140 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3141 NCN_STRICT_CHECK_TOOLS(NM, nm)
3142 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3143 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3144 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3145 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3146 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3147 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3148 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3155 AC_ARG_WITH([build-time-tools],
3156 [AS_HELP_STRING([--with-build-time-tools=PATH],
3157 [use given path to find target tools during the build])],
3158 [case x"$withval" in
3161 with_build_time_tools=
3162 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3165 [with_build_time_tools=])
3167 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3168 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3169 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3170 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3171 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3172 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3173 NCN_STRICT_CHECK_TARGET_TOOLS(GUPC_FOR_TARGET, gupc)
3175 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3176 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3177 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3178 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3179 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3180 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3181 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3182 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3183 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3184 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3185 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3186 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3188 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3190 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3191 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3192 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3193 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3194 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3195 [gcc/g++ -B$$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],
3197 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3198 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3200 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3201 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3202 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3203 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3204 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3205 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3206 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3207 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3208 GCC_TARGET_TOOL(gupc, GUPC_FOR_TARGET, GUPC,
3209 [gcc/gupc -B$$r/$(HOST_SUBDIR)/gcc/], upc)
3210 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3211 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3212 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3213 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3214 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3215 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3216 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3217 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3218 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3220 AC_SUBST(FLAGS_FOR_TARGET)
3221 AC_SUBST(RAW_CXX_FOR_TARGET)
3223 # Certain tools may need extra flags.
3224 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3225 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3226 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3228 # When building target libraries, except in a Canadian cross, we use
3229 # the same toolchain as the compiler we just built.
3230 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3231 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3232 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3233 if test $host = $build; then
3234 case " $configdirs " in
3236 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3237 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3238 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3243 AC_SUBST(COMPILER_AS_FOR_TARGET)
3244 AC_SUBST(COMPILER_LD_FOR_TARGET)
3245 AC_SUBST(COMPILER_NM_FOR_TARGET)
3247 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3248 AC_ARG_ENABLE(maintainer-mode,
3249 [AS_HELP_STRING([--enable-maintainer-mode],
3250 [enable make rules and dependencies not useful
3251 (and sometimes confusing) to the casual installer])],
3252 USE_MAINTAINER_MODE=$enableval,
3253 USE_MAINTAINER_MODE=no)
3254 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3255 AC_SUBST(MAINTAINER_MODE_TRUE)
3256 AC_SUBST(MAINTAINER_MODE_FALSE)
3257 if test "$USE_MAINTAINER_MODE" = yes; then
3258 MAINTAINER_MODE_TRUE=
3259 MAINTAINER_MODE_FALSE='#'
3261 MAINTAINER_MODE_TRUE='#'
3262 MAINTAINER_MODE_FALSE=
3264 MAINT=$MAINTAINER_MODE_TRUE
3267 # ---------------------
3268 # GCC bootstrap support
3269 # ---------------------
3271 # Stage specific cflags for build.
3276 yes) stage1_cflags="-g -Wa,-J" ;;
3277 *) stage1_cflags="-g -J" ;;
3281 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3282 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3283 saved_CFLAGS="$CFLAGS"
3285 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3286 CFLAGS="$CFLAGS -fkeep-inline-functions"
3287 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3289 #if (__GNUC__ < 3) \
3290 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3291 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3292 #error http://gcc.gnu.org/PR29382
3295 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3296 [AC_MSG_RESULT([no])])
3298 CFLAGS="$saved_CFLAGS"
3301 AC_SUBST(stage1_cflags)
3303 # Enable --enable-checking in stage1 of the compiler.
3304 AC_ARG_ENABLE(stage1-checking,
3305 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3306 [choose additional checking for stage1 of the compiler])],
3307 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3308 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3309 stage1_checking=--enable-checking=yes,types
3311 stage1_checking=--enable-checking=$enable_checking,types
3313 AC_SUBST(stage1_checking)
3315 # Enable -Werror in bootstrap stage2 and later.
3316 AC_ARG_ENABLE(werror,
3317 [AS_HELP_STRING([--enable-werror],
3318 [enable -Werror in bootstrap stage2 and later])], [],
3319 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3324 case ${enable_werror} in
3325 yes) stage2_werror_flag="--enable-werror-always" ;;
3326 *) stage2_werror_flag="" ;;
3328 AC_SUBST(stage2_werror_flag)
3330 # If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass
3331 # --enable-build-with-cxx after stage1.
3332 if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
3333 POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx
3335 POSTSTAGE1_CONFIGURE_FLAGS=
3337 AC_SUBST(POSTSTAGE1_CONFIGURE_FLAGS)
3339 # Specify what files to not compare during bootstrap.
3341 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3343 hppa*64*-*-hpux*) ;;
3344 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3346 case " $configdirs " in
3347 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3349 AC_SUBST(compare_exclusions)
3351 AC_CONFIG_FILES([Makefile],
3352 [sed "$extrasub_build" Makefile |
3353 sed "$extrasub_host" |
3354 sed "$extrasub_target" > mf$$
3355 mv -f mf$$ Makefile],
3356 [extrasub_build="$extrasub_build"
3357 extrasub_host="$extrasub_host"
3358 extrasub_target="$extrasub_target"])