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/isl.m4])
32 m4_include([config/cloog.m4])
34 AC_INIT(move-if-change)
36 AC_DISABLE_OPTION_CHECKING
39 # if PWD already has a value, it is probably wrong.
40 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
42 # Export original configure arguments for use by sub-configures.
43 # Quote arguments with shell meta charatcers.
44 TOPLEVEL_CONFIGURE_ARGUMENTS=
45 set -- "$progname" "$@"
49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
51 # if the argument is of the form -foo=baz, quote the baz part only
52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
58 if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
61 # Remove the initial space we just introduced and, as these will be
62 # expanded by make, quote '$'.
63 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
64 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
66 # Find the build, host, and target systems.
67 ACX_NONCANONICAL_BUILD
69 ACX_NONCANONICAL_TARGET
71 dnl Autoconf 2.5x and later will set a default program prefix if
72 dnl --target was used, even if it was the same as --host. Disable
73 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
75 test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
78 program_transform_name=s,y,y,
83 m4_pattern_allow([^AS_FOR_TARGET$])dnl
84 m4_pattern_allow([^AS_FOR_BUILD$])dnl
86 # Get 'install' or 'install-sh' and its variants.
93 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
95 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
97 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
101 # Set srcdir to "." if that's what it is.
102 # This is important for multilib support.
104 if test "${pwd}" = "${srcpwd}" ; then
112 ### To add a new directory to the tree, first choose whether it is a target
113 ### or a host dependent tool. Then put it into the appropriate list
114 ### (library or tools, host or target), doing a dependency sort.
116 # Subdirs will be configured in the order listed in build_configdirs,
117 # configdirs, or target_configdirs; see the serialization section below.
119 # Dependency sorting is only needed when *configuration* must be done in
120 # a particular order. In all cases a dependency should be specified in
121 # the Makefile, whether or not it's implicitly specified here.
123 # Double entries in build_configdirs, configdirs, or target_configdirs may
124 # cause circular dependencies and break everything horribly.
126 # these library is used by various programs built for the build
129 build_libs="build-libiberty"
131 # these tools are built for the build environment
132 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
134 # these libraries are used by various programs built for the host environment
136 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
138 # these tools are built for the host environment
139 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
140 # know that we are building the simulator.
141 # binutils, gas and ld appear in that order because it makes sense to run
142 # "make check" in that particular order.
143 # If --enable-gold is used, "gold" may replace "ld".
144 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
146 # libgcj represents the runtime libraries only used by gcj.
147 libgcj="target-libffi \
151 # these libraries are built for the target environment, and are built after
152 # the host libraries and the host tools (which may be a cross compiler)
153 # Note that libiberty is not a target library.
154 target_libraries="target-libgcc \
155 target-libbacktrace \
161 target-libstdc++-v3 \
163 target-libsanitizer \
174 # these tools are built using the target libraries, and are intended to
175 # run only in the target environment
177 # note: any program that *uses* libraries that are in the "target_libraries"
178 # list belongs in this list.
180 target_tools="target-rda"
182 ################################################################################
184 ## All tools belong in one of the four categories, and are assigned above
185 ## We assign ${configdirs} this way to remove all embedded newlines. This
186 ## is important because configure will choke if they ever get through.
187 ## ${configdirs} is directories we build using the host tools.
188 ## ${target_configdirs} is directories we build using the target tools.
189 configdirs=`echo ${host_libs} ${host_tools}`
190 target_configdirs=`echo ${target_libraries} ${target_tools}`
191 build_configdirs=`echo ${build_libs} ${build_tools}`
193 m4_divert_text([PARSE_ARGS],
196 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
197 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
198 m4_popdef([AS_MESSAGE_LOG_FD])dnl
201 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
204 ################################################################################
206 srcname="gnu development package"
208 # This gets set non-empty for some net releases of packages.
211 # Define is_cross_compiler to save on calls to 'test'.
213 if test x"${host}" = x"${target}" ; then
216 is_cross_compiler=yes
219 # Find the build and target subdir names.
221 # Be sure to cover against remnants of an in-tree build.
222 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
223 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
224 Use a pristine source tree when building in a separate tree])
227 # Skipdirs are removed silently.
229 # Noconfigdirs are removed loudly.
233 # Make sure we don't let GNU ld be added if we didn't want it.
234 if test x$with_gnu_ld = xno ; then
236 noconfigdirs="$noconfigdirs ld gold"
240 # Make sure we don't let GNU as be added if we didn't want it.
241 if test x$with_gnu_as = xno ; then
243 noconfigdirs="$noconfigdirs gas"
247 # Make sure we don't let ZLIB be added if we didn't want it.
248 if test x$with_system_zlib = xyes ; then
250 noconfigdirs="$noconfigdirs zlib"
253 # some tools are so dependent upon X11 that if we're not building with X,
254 # it's not even worth trying to configure, much less build, that tool.
257 yes | "") ;; # the default value for this tree is that X11 is available
259 skipdirs="${skipdirs} tk itcl libgui"
260 # We won't be able to build gdbtk without X.
263 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
266 # Some are only suitable for cross toolchains.
267 # Remove these if host=target.
268 cross_only="target-libgloss target-newlib target-opcodes"
270 case $is_cross_compiler in
271 no) skipdirs="${skipdirs} ${cross_only}" ;;
274 # If both --with-headers and --with-libs are specified, default to
276 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
277 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
278 if test x"${with_newlib}" = x ; then
283 # Recognize --with-newlib/--without-newlib.
284 case ${with_newlib} in
285 no) skipdirs="${skipdirs} target-newlib" ;;
286 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
289 # Handle --enable-gold, --enable-ld.
290 # --disable-gold [--enable-ld]
291 # Build only ld. Default option.
292 # --enable-gold [--enable-ld]
293 # Build both gold and ld. Install gold as "ld.gold", install ld
294 # as "ld.bfd" and "ld".
295 # --enable-gold=default [--enable-ld]
296 # Build both gold and ld. Install gold as "ld.gold" and "ld",
297 # install ld as "ld.bfd".
298 # --enable-gold[=default] --disable-ld
299 # Build only gold, which is then installed as both "ld.gold" and "ld".
300 # --enable-gold --enable-ld=default
301 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
303 # In other words, ld is default
304 # --enable-gold=default --enable-ld=default
309 [AS_HELP_STRING([[--enable-gold[=ARG]]],
310 [build gold @<:@ARG={default,yes,no}@:>@])],
311 ENABLE_GOLD=$enableval,
313 case "${ENABLE_GOLD}" in
315 # Check for ELF target.
318 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
319 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
320 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
321 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
323 *-*-linux*aout* | *-*-linux*oldld*)
331 if test "$is_elf" = "yes"; then
332 # Check for target supported by gold.
334 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
335 configdirs="$configdirs gold"
336 if test x${ENABLE_GOLD} = xdefault; then
347 AC_MSG_ERROR([invalid --enable-gold argument])
352 [AS_HELP_STRING([[--enable-ld[=ARG]]],
353 [build ld @<:@ARG={default,yes,no}@:>@])],
354 ENABLE_LD=$enableval,
357 case "${ENABLE_LD}" in
359 if test x${default_ld} != x; then
360 AC_MSG_ERROR([either gold or ld can be the default ld])
366 if test x${ENABLE_GOLD} != xyes; then
367 AC_MSG_WARN([neither ld nor gold are enabled])
369 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
372 AC_MSG_ERROR([invalid --enable-ld argument])
376 # Configure extra directories which are host specific
380 configdirs="$configdirs libtermcap" ;;
383 # A target can indicate whether a language isn't supported for some reason.
384 # Only spaces may be used in this macro; not newlines or tabs.
385 unsupported_languages=
387 # Remove more programs from consideration, based on the host or
388 # target this usually means that a port of the program doesn't
392 i[[3456789]]86-*-msdosdjgpp*)
393 noconfigdirs="$noconfigdirs tcl tk itcl"
398 AC_ARG_ENABLE(libquadmath,
399 AS_HELP_STRING([--disable-libquadmath],
400 [do not build libquadmath directory]),
401 ENABLE_LIBQUADMATH=$enableval,
402 ENABLE_LIBQUADMATH=yes)
403 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
404 noconfigdirs="$noconfigdirs target-libquadmath"
408 AC_ARG_ENABLE(libquadmath-support,
409 AS_HELP_STRING([--disable-libquadmath-support],
410 [disable libquadmath support for Fortran]),
411 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
412 ENABLE_LIBQUADMATH_SUPPORT=yes)
413 enable_libquadmath_support=
414 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
415 enable_libquadmath_support=no
419 AC_ARG_ENABLE(libada,
420 [AS_HELP_STRING([--enable-libada], [build libada directory])],
421 ENABLE_LIBADA=$enableval,
423 if test "${ENABLE_LIBADA}" != "yes" ; then
424 noconfigdirs="$noconfigdirs gnattools"
427 AC_ARG_ENABLE(libssp,
428 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
429 ENABLE_LIBSSP=$enableval,
432 AC_ARG_ENABLE(libstdcxx,
433 AS_HELP_STRING([--disable-libstdcxx],
434 [do not build libstdc++-v3 directory]),
435 ENABLE_LIBSTDCXX=$enableval,
436 ENABLE_LIBSTDCXX=default)
437 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
438 noconfigdirs="$noconfigdirs libstdc++-v3"
441 # Save it here so that, even in case of --enable-libgcj, if the Java
442 # front-end isn't enabled, we still get libgcj disabled.
444 case $enable_libgcj in
446 # If we reset it here, it won't get added to noconfigdirs in the
447 # target-specific build rules, so it will be forcibly enabled
448 # (unless the Java language itself isn't enabled).
452 # Make sure we get it printed in the list of not supported target libs.
453 # Don't disable libffi, though, other languages use it.
454 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
455 # Clear libgcj_saved so that even if java is enabled libffi won't be
461 AC_ARG_ENABLE(static-libjava,
462 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
463 [build static libjava @<:@default=no@:>@])],
464 ENABLE_STATIC_LIBJAVA=$enableval,
465 ENABLE_STATIC_LIBJAVA=no)
466 enable_static_libjava=
467 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
468 enable_static_libjava=yes
471 if test x$enable_static_libjava != xyes ; then
472 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
474 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
476 # Disable libmudflap on some systems.
477 if test x$enable_libmudflap = x ; then
479 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
480 # Enable libmudflap by default in GNU and friends.
483 # Enable libmudflap by default in FreeBSD.
486 # Disable it by default everywhere else.
487 noconfigdirs="$noconfigdirs target-libmudflap"
494 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
496 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
498 *-*-solaris2* | *-*-hpux11*)
500 *-*-darwin* | *-*-aix*)
507 # Enable libgomp by default on POSIX hosted systems.
508 if test x$enable_libgomp = x -a $posix_based_os = "no" ; then
509 # Disable libgomp on non POSIX hosted systems.
510 noconfigdirs="$noconfigdirs target-libgomp"
513 # Enable libgupc by default on POSIX hosted systems.
514 if test x$enable_libgupc = x -a $posix_based_os = "no" ; then
515 # Disable libgupc on non POSIX hosted systems.
516 noconfigdirs="$noconfigdirs target-libgupc"
519 # Disable libatomic on unsupported systems.
520 if test -d ${srcdir}/libatomic; then
521 if test x$enable_libatomic = x; then
522 AC_MSG_CHECKING([for libatomic support])
523 if (srcdir=${srcdir}/libatomic; \
524 . ${srcdir}/configure.tgt; \
525 test -n "$UNSUPPORTED")
528 noconfigdirs="$noconfigdirs target-libatomic"
535 # Disable libitm on unsupported systems.
536 if test -d ${srcdir}/libitm; then
537 if test x$enable_libitm = x; then
538 AC_MSG_CHECKING([for libitm support])
539 if (srcdir=${srcdir}/libitm; \
540 . ${srcdir}/configure.tgt; \
541 test -n "$UNSUPPORTED")
544 noconfigdirs="$noconfigdirs target-libitm"
551 # Disable libsanitizer on unsupported systems.
552 if test -d ${srcdir}/libsanitizer; then
553 if test x$enable_libsanitizer = x; then
554 AC_MSG_CHECKING([for libsanitizer support])
555 if (srcdir=${srcdir}/libsanitizer; \
556 . ${srcdir}/configure.tgt; \
557 test -n "$UNSUPPORTED")
560 noconfigdirs="$noconfigdirs target-libsanitizer"
567 # Disable libquadmath for some systems.
570 noconfigdirs="$noconfigdirs target-libquadmath"
572 # libquadmath is unused on AIX and libquadmath build process use of
573 # LD_LIBRARY_PATH can break AIX bootstrap.
574 powerpc-*-aix* | rs6000-*-aix*)
575 noconfigdirs="$noconfigdirs target-libquadmath"
579 # Disable libssp for some systems.
582 # No hosted I/O support.
583 noconfigdirs="$noconfigdirs target-libssp"
585 powerpc-*-aix* | rs6000-*-aix*)
586 noconfigdirs="$noconfigdirs target-libssp"
589 # libssp uses a misaligned load to trigger a fault, but the RL78
590 # doesn't fault for those - instead, it gives a build-time error
591 # for explicit misaligned loads.
592 noconfigdirs="$noconfigdirs target-libssp"
596 # Disable libstdc++-v3 for some systems.
597 # Allow user to override this if they pass --enable-libstdc++-v3
598 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
601 # VxWorks uses the Dinkumware C++ library.
602 noconfigdirs="$noconfigdirs target-libstdc++-v3"
605 # the C++ libraries don't build on top of CE's C libraries
606 noconfigdirs="$noconfigdirs target-libstdc++-v3"
609 noconfigdirs="$noconfigdirs target-libstdc++-v3"
614 # Disable Fortran for some systems.
617 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
618 unsupported_languages="$unsupported_languages fortran"
622 # Disable Java if libffi is not supported.
654 powerpc-*-aix* | rs6000-*-aix*)
658 powerpc64-*-freebsd*)
662 s390-*-* | s390x-*-*)
664 sh-*-* | sh[[34]]*-*-*)
673 unsupported_languages="$unsupported_languages java"
677 # Disable Java, libgcj or related libraries for some systems.
681 i[[3456789]]86-*-darwin*)
683 x86_64-*-darwin[[912]]*)
686 noconfigdirs="$noconfigdirs ${libgcj}"
689 noconfigdirs="$noconfigdirs ${libgcj}"
692 noconfigdirs="$noconfigdirs ${libgcj}"
695 noconfigdirs="$noconfigdirs ${libgcj}"
698 noconfigdirs="$noconfigdirs ${libgcj}"
701 noconfigdirs="$noconfigdirs ${libgcj}"
704 noconfigdirs="$noconfigdirs ${libgcj}"
707 noconfigdirs="$noconfigdirs ${libgcj}"
710 noconfigdirs="$noconfigdirs ${libgcj}"
713 noconfigdirs="$noconfigdirs target-boehm-gc"
715 cris-*-* | crisv32-*-*)
716 unsupported_languages="$unsupported_languages java"
720 *) # See PR46792 regarding target-libffi.
721 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
725 # In this case, it's because the hppa64-linux target is for
726 # the kernel only at this point and has no libc, and thus no
727 # headers, crt*.o, etc., all of which are needed by these.
728 unsupported_languages="$unsupported_languages java"
731 noconfigdirs="$noconfigdirs ${libgcj}"
736 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
737 # build on HP-UX 10.20.
738 noconfigdirs="$noconfigdirs ${libgcj}"
741 noconfigdirs="$noconfigdirs ${libgcj}"
743 i[[3456789]]86-w64-mingw*)
744 noconfigdirs="$noconfigdirs ${libgcj}"
746 i[[3456789]]86-*-mingw*)
747 noconfigdirs="$noconfigdirs ${libgcj}"
750 noconfigdirs="$noconfigdirs ${libgcj}"
753 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
756 # copied from rs6000-*-* entry
757 noconfigdirs="$noconfigdirs ${libgcj}"
760 noconfigdirs="$noconfigdirs ${libgcj}"
763 noconfigdirs="$noconfigdirs ${libgcj}"
767 # Disable libgo for some systems where it is known to not work.
768 # For testing, you can easily override this with --enable-libgo.
769 if test x$enable_libgo = x; then
773 noconfigdirs="$noconfigdirs target-libgo"
775 *-*-cygwin* | *-*-mingw*)
776 noconfigdirs="$noconfigdirs target-libgo"
779 noconfigdirs="$noconfigdirs target-libgo"
784 # Default libgloss CPU subdirectory.
785 libgloss_dir="$target_cpu"
788 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
797 cris-*-* | crisv32-*-*)
806 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
823 # Disable newlib and libgloss for various target OSes.
826 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
828 i[[3456789]]86-*-linux*)
829 # This section makes it possible to build newlib natively on linux.
830 # If we are using a cross compiler then don't configure newlib.
831 if test x${is_cross_compiler} != xno ; then
832 noconfigdirs="$noconfigdirs target-newlib"
834 noconfigdirs="$noconfigdirs target-libgloss"
835 # If we are not using a cross compiler, do configure newlib.
836 # Note however, that newlib will only be configured in this situation
837 # if the --with-newlib option has been given, because otherwise
838 # 'target-newlib' will appear in skipdirs.
840 i[[3456789]]86-*-rdos*)
841 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
843 sh*-*-pe|mips*-*-pe|arm-wince-pe)
844 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
847 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
850 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
853 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
856 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
859 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
862 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
864 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
865 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
868 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
871 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
874 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
877 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
880 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
883 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
886 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 noconfigdirs="$noconfigdirs ld gas gdb gprof"
895 noconfigdirs="$noconfigdirs sim target-rda"
897 i[[3456789]]86-*-darwin*)
898 noconfigdirs="$noconfigdirs ld gprof"
899 noconfigdirs="$noconfigdirs sim target-rda"
901 x86_64-*-darwin[[912]]*)
902 noconfigdirs="$noconfigdirs ld gas gprof"
903 noconfigdirs="$noconfigdirs sim target-rda"
906 noconfigdirs="$noconfigdirs ld gas gdb gprof"
907 noconfigdirs="$noconfigdirs sim target-rda"
912 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
913 && test -f /usr/local/include/gmp.h; then
918 # Remove unsupported stuff on all kaOS configurations.
919 noconfigdirs="$noconfigdirs target-libgloss"
926 noconfigdirs="$noconfigdirs target-libgloss"
928 # The tpf target doesn't support gdb yet.
930 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
933 noconfigdirs="$noconfigdirs target-rda"
938 # ld works, but does not support shared libraries.
939 # gas doesn't generate exception information.
940 noconfigdirs="$noconfigdirs gas ld"
943 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
946 # newlib is not 64 bit ready
947 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
949 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
950 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
953 noconfigdirs="$noconfigdirs target-libgloss"
956 noconfigdirs="$noconfigdirs target-libgloss"
959 noconfigdirs="$noconfigdirs ld target-libgloss"
964 if test x${with_avrlibc} != xno; then
965 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
969 noconfigdirs="$noconfigdirs target-libgloss"
972 noconfigdirs="$noconfigdirs target-libgloss gdb"
975 noconfigdirs="$noconfigdirs target-libgloss"
978 noconfigdirs="$noconfigdirs gdb"
981 noconfigdirs="$noconfigdirs gdb"
984 noconfigdirs="$noconfigdirs gprof"
987 noconfigdirs="$noconfigdirs target-libgloss"
990 noconfigdirs="$noconfigdirs target-libgloss"
992 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1000 hppa*-*-openbsd* | \
1004 noconfigdirs="$noconfigdirs ld"
1009 noconfigdirs="$noconfigdirs ld"
1012 noconfigdirs="$noconfigdirs gdb"
1015 # No gdb support yet.
1016 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1019 # No ld support yet.
1020 noconfigdirs="$noconfigdirs libgui itcl ld"
1023 # No ld support yet.
1024 noconfigdirs="$noconfigdirs libgui itcl ld"
1026 i[[3456789]]86-w64-mingw*)
1028 i[[3456789]]86-*-mingw*)
1029 target_configdirs="$target_configdirs target-winsup"
1032 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1033 noconfigdirs="$noconfigdirs target-libgloss"
1034 # always build newlib if winsup directory is present.
1035 if test -d "$srcdir/winsup/cygwin"; then
1036 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1037 elif test -d "$srcdir/newlib"; then
1038 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1041 i[[3456789]]86-*-pe)
1042 noconfigdirs="$noconfigdirs target-libgloss"
1044 i[[3456789]]86-*-sco3.2v5*)
1045 # The linker does not yet know about weak symbols in COFF,
1046 # and is not configured to handle mixed ELF and COFF.
1047 noconfigdirs="$noconfigdirs ld target-libgloss"
1049 i[[3456789]]86-*-sco*)
1050 noconfigdirs="$noconfigdirs gprof target-libgloss"
1052 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1053 noconfigdirs="$noconfigdirs target-libgloss"
1055 i[[3456789]]86-*-sysv4*)
1056 noconfigdirs="$noconfigdirs target-libgloss"
1058 i[[3456789]]86-*-beos*)
1059 noconfigdirs="$noconfigdirs gdb"
1061 i[[3456789]]86-*-rdos*)
1062 noconfigdirs="$noconfigdirs gdb"
1065 noconfigdirs="$noconfigdirs gdb"
1068 noconfigdirs="$noconfigdirs sim"
1071 # copied from rs6000-*-* entry
1072 noconfigdirs="$noconfigdirs gprof"
1074 powerpc*-*-winnt* | powerpc*-*-pe*)
1075 target_configdirs="$target_configdirs target-winsup"
1076 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1077 # always build newlib.
1078 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1080 # This is temporary until we can link against shared libraries
1081 powerpcle-*-solaris*)
1082 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1085 noconfigdirs="$noconfigdirs gdb"
1088 noconfigdirs="$noconfigdirs gprof"
1091 noconfigdirs="$noconfigdirs gprof"
1094 noconfigdirs="$noconfigdirs gprof"
1097 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1100 noconfigdirs="$noconfigdirs gprof"
1102 mips*-sde-elf* | mips*-mti-elf*)
1103 if test x$with_newlib = xyes; then
1104 noconfigdirs="$noconfigdirs gprof"
1108 noconfigdirs="$noconfigdirs gprof target-libgloss"
1111 noconfigdirs="$noconfigdirs gprof target-libgloss"
1114 noconfigdirs="$noconfigdirs gprof target-libgloss"
1119 noconfigdirs="$noconfigdirs gprof"
1126 noconfigdirs="$noconfigdirs target-libgloss" ;;
1130 if test x${is_cross_compiler} = xno ; then
1135 noconfigdirs="$noconfigdirs sim"
1137 tilepro-*-* | tilegx-*-*)
1138 noconfigdirs="$noconfigdirs sim"
1141 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1144 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1148 # If we aren't building newlib, then don't build libgloss, since libgloss
1149 # depends upon some newlib header files.
1150 case "${noconfigdirs}" in
1151 *target-libgloss*) ;;
1152 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1155 # Work in distributions that contain no compiler tools, like Autoconf.
1156 host_makefile_frag=/dev/null
1157 if test -d ${srcdir}/config ; then
1159 i[[3456789]]86-*-msdosdjgpp*)
1160 host_makefile_frag="config/mh-djgpp"
1163 ACX_CHECK_CYGWIN_CAT_WORKS
1164 host_makefile_frag="config/mh-cygwin"
1167 host_makefile_frag="config/mh-mingw"
1170 host_makefile_frag="config/mh-pa-hpux10"
1173 host_makefile_frag="config/mh-pa"
1176 host_makefile_frag="config/mh-pa"
1179 host_makefile_frag="config/mh-darwin"
1182 host_makefile_frag="config/mh-ppc-aix"
1185 host_makefile_frag="config/mh-ppc-aix"
1190 if test "${build}" != "${host}" ; then
1191 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1192 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1193 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1194 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1195 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1196 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1197 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1198 GUPC_FOR_BUILD=${GUPC_FOR_BUILD-gupc}
1199 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1200 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1201 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1202 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1203 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1204 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1206 AR_FOR_BUILD="\$(AR)"
1207 AS_FOR_BUILD="\$(AS)"
1208 CC_FOR_BUILD="\$(CC)"
1209 CXX_FOR_BUILD="\$(CXX)"
1210 GCJ_FOR_BUILD="\$(GCJ)"
1211 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1212 GOC_FOR_BUILD="\$(GOC)"
1213 GUPC_FOR_BUILD="\$(GUPC)"
1214 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1215 LD_FOR_BUILD="\$(LD)"
1216 NM_FOR_BUILD="\$(NM)"
1217 RANLIB_FOR_BUILD="\$(RANLIB)"
1218 WINDRES_FOR_BUILD="\$(WINDRES)"
1219 WINDMC_FOR_BUILD="\$(WINDMC)"
1225 # We must set the default linker to the linker used by gcc for the correct
1226 # operation of libtool. If LD is not defined and we are using gcc, try to
1227 # set the LD default to the ld used by gcc.
1228 if test -z "$LD"; then
1229 if test "$GCC" = yes; then
1232 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1234 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1236 case $gcc_prog_ld in
1237 # Accept absolute paths.
1238 [[\\/]* | [A-Za-z]:[\\/]*)]
1239 LD="$gcc_prog_ld" ;;
1244 # Check whether -static-libstdc++ -static-libgcc is supported.
1246 if test "$GCC" = yes; then
1247 saved_LDFLAGS="$LDFLAGS"
1249 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1250 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1253 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1254 #error -static-libstdc++ not implemented
1257 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1258 [AC_MSG_RESULT([no])])
1261 LDFLAGS="$saved_LDFLAGS"
1265 ACX_PROG_CMP_IGNORE_INITIAL
1267 AC_ARG_ENABLE([bootstrap],
1268 [AS_HELP_STRING([--enable-bootstrap],
1269 [enable bootstrapping @<:@yes if native build@:>@])],,
1270 enable_bootstrap=default)
1272 # Issue errors and warnings for invalid/strange bootstrap combinations.
1273 if test -r $srcdir/gcc/configure; then
1279 case "$have_compiler:$host:$target:$enable_bootstrap" in
1282 # Default behavior. Enable bootstrap if we have a compiler
1283 # and we are in a native configuration.
1284 yes:$build:$build:default)
1285 enable_bootstrap=yes ;;
1288 enable_bootstrap=no ;;
1290 # We have a compiler and we are in a native configuration, bootstrap is ok
1291 yes:$build:$build:yes)
1294 # Other configurations, but we have a compiler. Assume the user knows
1297 AC_MSG_WARN([trying to bootstrap a cross compiler])
1300 # No compiler: if they passed --enable-bootstrap explicitly, fail
1302 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1304 # Fail if wrong command line
1306 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1310 # Used for setting $lt_cv_objdir
1313 # Check for GMP, MPFR and MPC
1314 gmplibs="-lmpc -lmpfr -lgmp"
1318 # Specify a location for mpc
1319 # check for this first so it ends up on the link line before mpfr.
1321 [AS_HELP_STRING([--with-mpc=PATH],
1322 [specify prefix directory for installed MPC package.
1323 Equivalent to --with-mpc-include=PATH/include
1324 plus --with-mpc-lib=PATH/lib])])
1325 AC_ARG_WITH(mpc-include,
1326 [AS_HELP_STRING([--with-mpc-include=PATH],
1327 [specify directory for installed MPC include files])])
1328 AC_ARG_WITH(mpc-lib,
1329 [AS_HELP_STRING([--with-mpc-lib=PATH],
1330 [specify directory for the installed MPC library])])
1332 if test "x$with_mpc" != x; then
1333 gmplibs="-L$with_mpc/lib $gmplibs"
1334 gmpinc="-I$with_mpc/include $gmpinc"
1336 if test "x$with_mpc_include" != x; then
1337 gmpinc="-I$with_mpc_include $gmpinc"
1339 if test "x$with_mpc_lib" != x; then
1340 gmplibs="-L$with_mpc_lib $gmplibs"
1342 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1343 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1344 gmpinc='-I$$s/mpc/src '"$gmpinc"
1345 # Do not test the mpc version. Assume that it is sufficient, since
1346 # it is in the source tree, and the library has not been built yet
1347 # but it would be included on the link line in the version check below
1348 # hence making the test fail.
1352 # Specify a location for mpfr
1353 # check for this first so it ends up on the link line before gmp.
1354 AC_ARG_WITH(mpfr-dir,
1355 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1356 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1357 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1360 [AS_HELP_STRING([--with-mpfr=PATH],
1361 [specify prefix directory for installed MPFR package.
1362 Equivalent to --with-mpfr-include=PATH/include
1363 plus --with-mpfr-lib=PATH/lib])])
1364 AC_ARG_WITH(mpfr-include,
1365 [AS_HELP_STRING([--with-mpfr-include=PATH],
1366 [specify directory for installed MPFR include files])])
1367 AC_ARG_WITH(mpfr-lib,
1368 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1369 [specify directory for the installed MPFR library])])
1371 if test "x$with_mpfr" != x; then
1372 gmplibs="-L$with_mpfr/lib $gmplibs"
1373 gmpinc="-I$with_mpfr/include $gmpinc"
1375 if test "x$with_mpfr_include" != x; then
1376 gmpinc="-I$with_mpfr_include $gmpinc"
1378 if test "x$with_mpfr_lib" != x; then
1379 gmplibs="-L$with_mpfr_lib $gmplibs"
1381 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1382 # MPFR v3.1.0 moved the sources into a src sub-directory.
1383 if test -d ${srcdir}/mpfr/src; then
1384 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1385 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1386 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1388 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1389 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1390 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1392 # Do not test the mpfr version. Assume that it is sufficient, since
1393 # it is in the source tree, and the library has not been built yet
1394 # but it would be included on the link line in the version check below
1395 # hence making the test fail.
1399 # Specify a location for gmp
1400 AC_ARG_WITH(gmp-dir,
1401 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1402 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1403 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1406 [AS_HELP_STRING([--with-gmp=PATH],
1407 [specify prefix directory for the installed GMP package.
1408 Equivalent to --with-gmp-include=PATH/include
1409 plus --with-gmp-lib=PATH/lib])])
1410 AC_ARG_WITH(gmp-include,
1411 [AS_HELP_STRING([--with-gmp-include=PATH],
1412 [specify directory for installed GMP include files])])
1413 AC_ARG_WITH(gmp-lib,
1414 [AS_HELP_STRING([--with-gmp-lib=PATH],
1415 [specify directory for the installed GMP library])])
1418 if test "x$with_gmp" != x; then
1419 gmplibs="-L$with_gmp/lib $gmplibs"
1420 gmpinc="-I$with_gmp/include $gmpinc"
1422 if test "x$with_gmp_include" != x; then
1423 gmpinc="-I$with_gmp_include $gmpinc"
1425 if test "x$with_gmp_lib" != x; then
1426 gmplibs="-L$with_gmp_lib $gmplibs"
1428 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1429 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1430 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1431 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1432 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1433 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1434 # Do not test the gmp version. Assume that it is sufficient, since
1435 # it is in the source tree, and the library has not been built yet
1436 # but it would be included on the link line in the version check below
1437 # hence making the test fail.
1441 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1443 saved_CFLAGS="$CFLAGS"
1444 CFLAGS="$CFLAGS $gmpinc"
1445 # Check for the recommended and required versions of GMP.
1446 AC_MSG_CHECKING([for the correct version of gmp.h])
1447 AC_TRY_COMPILE([#include "gmp.h"],[
1448 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1449 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1450 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1453 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1454 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1455 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1456 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1459 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1460 [AC_MSG_RESULT([no]); have_gmp=no])
1462 # If we have GMP, check the MPFR version.
1463 if test x"$have_gmp" = xyes; then
1464 # Check for the recommended and required versions of MPFR.
1465 AC_MSG_CHECKING([for the correct version of mpfr.h])
1466 AC_TRY_COMPILE([#include <gmp.h>
1467 #include <mpfr.h>],[
1468 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1471 ], [AC_TRY_COMPILE([#include <gmp.h>
1472 #include <mpfr.h>],[
1473 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1476 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1477 [AC_MSG_RESULT([no]); have_gmp=no])
1480 # Check for the MPC header version.
1481 if test x"$have_gmp" = xyes ; then
1482 # Check for the recommended and required versions of MPC.
1483 AC_MSG_CHECKING([for the correct version of mpc.h])
1484 AC_TRY_COMPILE([#include <mpc.h>],[
1485 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1488 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1489 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1492 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1493 [AC_MSG_RESULT([no]); have_gmp=no])
1496 # Now check the MPFR library.
1497 if test x"$have_gmp" = xyes; then
1499 LIBS="$LIBS $gmplibs"
1500 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1501 AC_TRY_LINK([#include <mpc.h>],[
1508 mpfr_atan2 (n, n, x, GMP_RNDN);
1509 mpfr_erfc (n, x, GMP_RNDN);
1510 mpfr_subnormalize (x, t, GMP_RNDN);
1514 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1515 mpc_cosh (c, c, MPC_RNDNN);
1516 mpc_pow (c, c, c, MPC_RNDNN);
1517 mpc_acosh (c, c, MPC_RNDNN);
1519 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1523 CFLAGS="$saved_CFLAGS"
1525 # The library versions listed in the error message below should match
1526 # the HARD-minimums enforced above.
1527 if test x$have_gmp != xyes; then
1528 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1529 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1530 their locations. Source code for these libraries can be found at
1531 their respective hosting sites as well as at
1532 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1533 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1534 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1535 make sure that you have installed both the libraries and the header
1536 files. They may be located in separate packages.])
1540 # Flags needed for both GMP, MPFR and/or MPC.
1543 AC_SUBST(extra_mpfr_configure_flags)
1544 AC_SUBST(extra_mpc_gmp_configure_flags)
1545 AC_SUBST(extra_mpc_mpfr_configure_flags)
1546 AC_SUBST(extra_isl_gmp_configure_flags)
1548 # Allow host libstdc++ to be specified for static linking with PPL.
1549 AC_ARG_WITH(host-libstdcxx,
1550 [AS_HELP_STRING([--with-host-libstdcxx=L],
1551 [use linker arguments L to link with libstdc++
1552 when linking with PPL])])
1554 case $with_host_libstdcxx in
1556 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1560 # Libraries to use for stage1 or when not bootstrapping.
1561 AC_ARG_WITH(stage1-libs,
1562 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1563 [if test "$withval" = "no" -o "$withval" = "yes"; then
1566 stage1_libs=$withval
1568 [stage1_libs=$with_host_libstdcxx])
1569 AC_SUBST(stage1_libs)
1571 # Linker flags to use for stage1 or when not bootstrapping.
1572 AC_ARG_WITH(stage1-ldflags,
1573 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1574 [if test "$withval" = "no" -o "$withval" = "yes"; then
1577 stage1_ldflags=$withval
1580 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1581 # if supported. But if the user explicitly specified the libraries to use,
1582 # trust that they are doing what they want.
1583 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1584 stage1_ldflags="-static-libstdc++ -static-libgcc"
1586 AC_SUBST(stage1_ldflags)
1588 # Libraries to use for stage2 and later builds. This defaults to the
1589 # argument passed to --with-host-libstdcxx.
1590 AC_ARG_WITH(boot-libs,
1591 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1592 [if test "$withval" = "no" -o "$withval" = "yes"; then
1595 poststage1_libs=$withval
1597 [poststage1_libs=$with_host_libstdcxx])
1598 AC_SUBST(poststage1_libs)
1600 # Linker flags to use for stage2 and later builds.
1601 AC_ARG_WITH(boot-ldflags,
1602 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1603 [linker flags for stage2 and later])],
1604 [if test "$withval" = "no" -o "$withval" = "yes"; then
1607 poststage1_ldflags=$withval
1609 [poststage1_ldflags=
1610 # In stages 2 and 3, default to linking libstdc++ and libgcc
1611 # statically. But if the user explicitly specified the libraries to
1612 # use, trust that they are doing what they want.
1613 if test "$poststage1_libs" = ""; then
1614 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1616 AC_SUBST(poststage1_ldflags)
1618 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1619 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1624 [--with-cloog=PATH],
1625 [Specify prefix directory for the installed CLooG-ISL package.
1626 Equivalent to --with-cloog-include=PATH/include
1627 plus --with-cloog-lib=PATH/lib])])
1631 [Specify prefix directory for the installed ISL package.
1632 Equivalent to --with-isl-include=PATH/include
1633 plus --with-isl-lib=PATH/lib])])
1635 # Treat either --without-cloog or --without-isl as a request to disable
1636 # GRAPHITE support and skip all following checks.
1637 if test "x$with_isl" != "xno" &&
1638 test "x$with_cloog" != "xno"; then
1640 dnl Provide configure switches and initialize islinc & isllibs
1641 dnl with user input.
1643 dnl The versions of ISL that work for Graphite
1644 ISL_CHECK_VERSION(0,10)
1645 if test "${gcc_cv_isl}" = no ; then
1646 ISL_CHECK_VERSION(0,11)
1648 dnl Only execute fail-action, if ISL has been requested.
1650 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1652 if test "x$gcc_cv_isl" != "xno"; then
1654 dnl Provide configure switches and initialize clooginc & clooglibs
1655 dnl with user input.
1657 dnl The versions of CLooG that work for Graphite.
1658 CLOOG_CHECK_VERSION(0,17,0)
1659 if test "${gcc_cv_cloog}" = no ; then
1660 CLOOG_CHECK_VERSION(0,18,0)
1663 dnl Only execute fail-action, if CLooG has been requested.
1665 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1669 # If either the ISL or the CLooG check failed, disable builds of in-tree
1671 if test "x$with_isl" = xno ||
1672 test "x$with_cloog" = xno ||
1673 test "x$gcc_cv_cloog" = xno ||
1674 test "x$gcc_cv_isl" = xno; then
1675 noconfigdirs="$noconfigdirs cloog isl"
1686 # Check for LTO support.
1688 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1689 enable_lto=$enableval,
1690 enable_lto=yes; default_enable_lto=yes)
1692 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1693 build_lto_plugin=yes
1694 ],[if test x"$default_enable_lto" = x"yes" ; then
1696 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1697 # On other non-ELF platforms, LTO has yet to be validated.
1701 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1702 # It would also be nice to check the binutils support, but we don't
1703 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1704 # warn during gcc/ subconfigure; unless you're bootstrapping with
1705 # -flto it won't be needed until after installation anyway.
1707 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1708 *) if test x"$enable_lto" = x"yes"; then
1709 AC_MSG_ERROR([LTO support is not enabled for this target.])
1714 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1715 # Build it unless LTO was explicitly disabled.
1717 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1723 # By default, C and C++ are the only stage 1 languages.
1724 stage1_languages=,c,
1726 # Target libraries that we bootstrap.
1727 bootstrap_target_libs=,target-libgcc,
1729 # Figure out what language subdirectories are present.
1730 # Look if the user specified --enable-languages="..."; if not, use
1731 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1733 # NB: embedded tabs in this IF block -- do not untabify
1734 if test -d ${srcdir}/gcc; then
1735 if test x"${enable_languages+set}" != xset; then
1736 if test x"${LANGUAGES+set}" = xset; then
1737 enable_languages="${LANGUAGES}"
1738 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1740 enable_languages=all
1743 if test x"${enable_languages}" = x ||
1744 test x"${enable_languages}" = xyes;
1746 echo configure.in: --enable-languages needs at least one language argument 1>&2
1750 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1752 # 'f95' is the old name for the 'fortran' language. We issue a warning
1753 # and make the substitution.
1754 case ,${enable_languages}, in
1756 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1757 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1761 # If bootstrapping, C++ must be enabled.
1762 case ",$enable_languages,:$enable_bootstrap" in
1765 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1766 enable_languages="${enable_languages},c++"
1768 AC_MSG_ERROR([bootstrapping requires c++ sources])
1773 # First scan to see if an enabled language requires some other language.
1774 # We assume that a given config-lang.in will list all the language
1775 # front ends it requires, even if some are required indirectly.
1776 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1777 case ${lang_frag} in
1779 # The odd quoting in the next line works around
1780 # an apparent bug in bash 1.12 on linux.
1781 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1783 # From the config-lang.in, get $language, $lang_requires, and
1784 # $lang_requires_boot_languages.
1787 lang_requires_boot_languages=
1789 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1790 case ,${enable_languages}, in
1794 echo " \`$other' language required by \`$language'; enabling" 1>&2
1795 enable_languages="${enable_languages},${other}"
1799 for other in ${lang_requires_boot_languages} ; do
1800 if test "$other" != "c"; then
1801 case ,${enable_stage1_languages}, in
1805 case ,${enable_languages}, in
1807 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1808 enable_stage1_languages="$enable_stage1_languages,${other}"
1819 new_enable_languages=,c,
1821 # If LTO is enabled, add the LTO front end.
1822 extra_host_libiberty_configure_flags=
1823 if test "$enable_lto" = "yes" ; then
1824 case ,${enable_languages}, in
1826 *) enable_languages="${enable_languages},lto" ;;
1828 if test "${build_lto_plugin}" = "yes" ; then
1829 configdirs="$configdirs lto-plugin"
1830 extra_host_libiberty_configure_flags=--enable-shared
1833 AC_SUBST(extra_host_libiberty_configure_flags)
1835 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1836 potential_languages=,c,
1838 enabled_target_libs=
1839 disabled_target_libs=
1841 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1842 case ${lang_frag} in
1844 # The odd quoting in the next line works around
1845 # an apparent bug in bash 1.12 on linux.
1846 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1848 # From the config-lang.in, get $language, $target_libs,
1849 # $lang_dirs, $boot_language, and $build_by_default
1855 build_by_default=yes
1857 if test x${language} = x; then
1858 echo "${lang_frag} doesn't set \$language." 1>&2
1862 if test "$language" = "c++"; then
1867 case ,${enable_languages}, in
1869 # Language was explicitly selected; include it
1870 # unless it is C, which is enabled by default.
1871 if test "$language" != "c"; then
1876 # 'all' was selected, select it if it is a default language
1877 if test "$language" != "c"; then
1878 add_this_lang=${build_by_default}
1883 # Disable languages that need other directories if these aren't available.
1884 for i in $subdir_requires; do
1885 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1886 case ,${enable_languages}, in
1888 # Specifically requested language; tell them.
1889 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1893 add_this_lang=unsupported
1898 # Disable Ada if no preexisting GNAT is available.
1899 case ,${enable_languages},:${language}:${have_gnat} in
1900 *,${language},*:ada:no)
1901 # Specifically requested language; tell them.
1902 AC_MSG_ERROR([GNAT is required to build $language])
1906 add_this_lang=unsupported
1910 # Disable a language that is unsupported by the target.
1911 case " $unsupported_languages " in
1913 add_this_lang=unsupported
1917 case $add_this_lang in
1919 # Remove language-dependent dirs.
1920 disabled_target_libs="$disabled_target_libs $target_libs"
1921 noconfigdirs="$noconfigdirs $lang_dirs"
1924 # Remove language-dependent dirs; still show language as supported.
1925 disabled_target_libs="$disabled_target_libs $target_libs"
1926 noconfigdirs="$noconfigdirs $lang_dirs"
1927 potential_languages="${potential_languages}${language},"
1930 new_enable_languages="${new_enable_languages}${language},"
1931 potential_languages="${potential_languages}${language},"
1932 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1933 enabled_target_libs="$enabled_target_libs $target_libs"
1934 case "${boot_language}:,$enable_stage1_languages," in
1935 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1936 # Add to (comma-separated) list of stage 1 languages.
1937 case ",$stage1_languages," in
1938 *,$language,* | ,yes, | ,all,) ;;
1939 *) stage1_languages="${stage1_languages}${language}," ;;
1941 # We need to bootstrap any supporting libraries.
1942 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1951 # Add target libraries which are only needed for disabled languages
1953 if test -n "$disabled_target_libs"; then
1954 for dir in $disabled_target_libs; do
1955 case " $enabled_target_libs " in
1957 *) noconfigdirs="$noconfigdirs $dir" ;;
1962 AC_ARG_ENABLE(stage1-languages,
1963 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1964 [choose additional languages to build during
1965 stage1. Mostly useful for compiler development])],
1966 [case ,${enable_stage1_languages}, in
1968 # Set it to something that will have no effect in the loop below
1969 enable_stage1_languages=c ;;
1971 enable_stage1_languages=`echo $new_enable_languages | \
1972 sed -e "s/^,//" -e "s/,$//" ` ;;
1974 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1975 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1978 # Add "good" languages from enable_stage1_languages to stage1_languages,
1979 # while "bad" languages go in missing_languages. Leave no duplicates.
1980 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1981 case $potential_languages in
1983 case $stage1_languages in
1985 *) stage1_languages="$stage1_languages$i," ;;
1988 case $missing_languages in
1990 *) missing_languages="$missing_languages$i," ;;
1995 # Remove leading/trailing commas that were added for simplicity
1996 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1997 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1998 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1999 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2001 if test "x$missing_languages" != x; then
2003 The following requested languages could not be built: ${missing_languages}
2004 Supported languages are: ${potential_languages}])
2006 if test "x$new_enable_languages" != "x$enable_languages"; then
2007 echo The following languages will be built: ${new_enable_languages}
2008 enable_languages="$new_enable_languages"
2011 AC_SUBST(stage1_languages)
2012 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2015 # Handle --disable-<component> generically.
2016 for dir in $configdirs $build_configdirs $target_configdirs ; do
2017 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2018 varname=`echo $dirname | sed -e s/+/_/g`
2019 if eval test x\${enable_${varname}} "=" xno ; then
2020 noconfigdirs="$noconfigdirs $dir"
2024 # Check for Boehm's garbage collector
2025 AC_ARG_ENABLE(objc-gc,
2026 [AS_HELP_STRING([--enable-objc-gc],
2027 [enable use of Boehm's garbage collector with the
2028 GNU Objective-C runtime])],
2029 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2030 *,objc,*:*:yes:*target-boehm-gc*)
2031 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2035 # Make sure we only build Boehm's garbage collector if required.
2036 case ,${enable_languages},:${enable_objc_gc} in
2038 # Keep target-boehm-gc if requested for Objective-C.
2041 # Otherwise remove target-boehm-gc depending on target-libjava.
2042 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2043 noconfigdirs="$noconfigdirs target-boehm-gc"
2048 AC_ARG_WITH([upc-pts],
2050 [[--with-upc-pts=[{struct,packed}]]],
2051 [choose the representation of a UPC pointer-to-shared]),
2053 case ,${enable_languages}, in
2060 AC_MSG_ERROR([$withval is an invalid option to --with-upc-pts])
2065 AC_MSG_ERROR([--with-upc-pts supplied, but UPC language not enabled])
2070 # Disable libitm and libsanitizer if we're not building C++
2071 case ,${enable_languages}, in
2074 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
2078 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2079 # $build_configdirs and $target_configdirs.
2080 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2083 for dir in . $skipdirs $noconfigdirs ; do
2084 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2085 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2086 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2087 if test -r $srcdir/$dirname/configure ; then
2088 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2091 notsupp="$notsupp $dir"
2095 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2096 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2097 if test -r $srcdir/$dirname/configure ; then
2098 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2101 notsupp="$notsupp $dir"
2105 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2106 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2107 if test -r $srcdir/$dirname/configure ; then
2108 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2111 notsupp="$notsupp $dir"
2117 # Quietly strip out all directories which aren't configurable in this tree.
2118 # This relies on all configurable subdirectories being autoconfiscated, which
2120 build_configdirs_all="$build_configdirs"
2122 for i in ${build_configdirs_all} ; do
2123 j=`echo $i | sed -e s/build-//g`
2124 if test -f ${srcdir}/$j/configure ; then
2125 build_configdirs="${build_configdirs} $i"
2129 configdirs_all="$configdirs"
2131 for i in ${configdirs_all} ; do
2132 if test -f ${srcdir}/$i/configure ; then
2133 configdirs="${configdirs} $i"
2137 target_configdirs_all="$target_configdirs"
2139 for i in ${target_configdirs_all} ; do
2140 j=`echo $i | sed -e s/target-//g`
2141 if test -f ${srcdir}/$j/configure ; then
2142 target_configdirs="${target_configdirs} $i"
2146 # Produce a warning message for the subdirs we can't configure.
2147 # This isn't especially interesting in the Cygnus tree, but in the individual
2148 # FSF releases, it's important to let people know when their machine isn't
2149 # supported by the one or two programs in a package.
2151 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2152 # If $appdirs is non-empty, at least one of those directories must still
2153 # be configured, or we error out. (E.g., if the gas release supports a
2154 # specified target in some subdirs but not the gas subdir, we shouldn't
2155 # pretend that all is well.)
2156 if test -n "$appdirs" ; then
2157 for dir in $appdirs ; do
2158 if test -r $dir/Makefile.in ; then
2159 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2163 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2169 if test -n "$appdirs" ; then
2170 echo "*** This configuration is not supported by this package." 1>&2
2174 # Okay, some application will build, or we don't care to check. Still
2175 # notify of subdirs not getting built.
2176 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2177 echo " ${notsupp}" 1>&2
2178 echo " (Any other directories should still work fine.)" 1>&2
2186 # To find our prefix, in gcc_cv_tool_prefix.
2191 AC_ARG_WITH([build-sysroot],
2192 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2193 [use sysroot as the system root during the build])],
2194 [if test x"$withval" != x ; then
2195 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2197 [SYSROOT_CFLAGS_FOR_TARGET=])
2198 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2200 AC_ARG_WITH([debug-prefix-map],
2201 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2202 [map A to B, C to D ... in debug information])],
2203 [if test x"$withval" != x; then
2204 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2205 for debug_map in $withval; do
2206 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2209 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2210 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2212 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2213 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2214 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2215 # We want to ensure that TARGET libraries (which we know are built with
2216 # gcc) are built with "-O2 -g", so include those options when setting
2217 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2218 if test "x$CFLAGS_FOR_TARGET" = x; then
2219 CFLAGS_FOR_TARGET=$CFLAGS
2222 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2225 *" -g "* | *" -g3 "*) ;;
2226 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2229 AC_SUBST(CFLAGS_FOR_TARGET)
2231 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2232 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2233 case " $CXXFLAGS " in
2235 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2237 case " $CXXFLAGS " in
2238 *" -g "* | *" -g3 "*) ;;
2239 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2242 AC_SUBST(CXXFLAGS_FOR_TARGET)
2244 AC_SUBST(LDFLAGS_FOR_TARGET)
2246 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2247 # the named directory are copied to $(tooldir)/sys-include.
2248 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2249 if test x${is_cross_compiler} = xno ; then
2250 echo 1>&2 '***' --with-headers is only supported when cross compiling
2253 if test x"${with_headers}" != xyes ; then
2254 x=${gcc_cv_tool_prefix}
2255 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2259 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2260 # the name directories are copied to $(tooldir)/lib. Multiple directories
2262 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2263 if test x${is_cross_compiler} = xno ; then
2264 echo 1>&2 '***' --with-libs is only supported when cross compiling
2267 if test x"${with_libs}" != xyes ; then
2268 # Copy the libraries in reverse order, so that files in the first named
2269 # library override files in subsequent libraries.
2270 x=${gcc_cv_tool_prefix}
2271 for l in ${with_libs}; do
2272 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2277 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2279 # This is done by determining whether or not the appropriate directory
2280 # is available, and by checking whether or not specific configurations
2281 # have requested that this magic not happen.
2283 # The command line options always override the explicit settings in
2284 # configure.in, and the settings in configure.in override this magic.
2286 # If the default for a toolchain is to use GNU as and ld, and you don't
2287 # want to do that, then you should use the --without-gnu-as and
2288 # --without-gnu-ld options for the configure script. Similarly, if
2289 # the default is to use the included zlib and you don't want to do that,
2290 # you should use the --with-system-zlib option for the configure script.
2292 if test x${use_gnu_as} = x &&
2293 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2295 extra_host_args="$extra_host_args --with-gnu-as"
2298 if test x${use_gnu_ld} = x &&
2299 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2301 extra_host_args="$extra_host_args --with-gnu-ld"
2304 if test x${use_included_zlib} = x &&
2305 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2308 with_system_zlib=yes
2309 extra_host_args="$extra_host_args --with-system-zlib"
2312 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2313 # can detect this case.
2315 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2317 extra_host_args="$extra_host_args --with-newlib"
2320 # Handle ${copy_dirs}
2321 set fnord ${copy_dirs}
2323 while test $# != 0 ; do
2324 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2327 echo Copying $1 to $2
2329 # Use the install script to create the directory and all required
2330 # parent directories.
2331 if test -d $2 ; then
2335 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2338 # Copy the directory, assuming we have tar.
2339 # FIXME: Should we use B in the second tar? Not all systems support it.
2340 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2342 # It is the responsibility of the user to correctly adjust all
2343 # symlinks. If somebody can figure out how to handle them correctly
2344 # here, feel free to add the code.
2351 # Determine a target-dependent exec_prefix that the installed
2352 # gcc will search in. Keep this list sorted by triplet, with
2353 # the *-*-osname triplets last.
2356 i[[34567]]86-pc-msdosdjgpp*)
2357 md_exec_prefix=/dev/env/DJDIR/bin
2362 md_exec_prefix=/usr/ccs/bin
2366 extra_arflags_for_target=
2367 extra_nmflags_for_target=
2368 extra_ranlibflags_for_target=
2369 target_makefile_frag=/dev/null
2372 target_makefile_frag="config/mt-spu"
2374 mips*-sde-elf* | mips*-mti-elf*)
2375 target_makefile_frag="config/mt-sde"
2377 mipsisa*-*-elfoabi*)
2378 target_makefile_frag="config/mt-mips-elfoabi"
2380 mips*-*-*linux* | mips*-*-gnu*)
2381 target_makefile_frag="config/mt-mips-gnu"
2383 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2384 target_makefile_frag="config/mt-gnu"
2386 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2387 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2388 # commands to handle both 32-bit and 64-bit objects. These flags are
2389 # harmless if we're using GNU nm or ar.
2390 extra_arflags_for_target=" -X32_64"
2391 extra_nmflags_for_target=" -B -X32_64"
2395 alphaieee_frag=/dev/null
2398 # This just makes sure to use the -mieee option to build target libs.
2399 # This should probably be set individually by each library.
2400 alphaieee_frag="config/mt-alphaieee"
2404 # If --enable-target-optspace always use -Os instead of -O2 to build
2405 # the target libraries, similarly if it is not specified, use -Os
2406 # on selected platforms.
2407 ospace_frag=/dev/null
2408 case "${enable_target_optspace}:${target}" in
2410 ospace_frag="config/mt-ospace"
2413 ospace_frag="config/mt-d30v"
2415 :m32r-* | :d10v-* | :fr30-*)
2416 ospace_frag="config/mt-ospace"
2421 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2425 # Some systems (e.g., one of the i386-aix systems the gas testers are
2426 # using) don't handle "\$" correctly, so don't use it here.
2427 tooldir='${exec_prefix}'/${target_noncanonical}
2428 build_tooldir=${tooldir}
2430 # Create a .gdbinit file which runs the one in srcdir
2431 # and tells GDB to look there for source files.
2433 if test -r ${srcdir}/.gdbinit ; then
2436 *) cat > ./.gdbinit <<EOF
2440 source ${srcdir}/.gdbinit
2446 # Make sure that the compiler is able to generate an executable. If it
2447 # can't, we are probably in trouble. We don't care whether we can run the
2448 # executable--we might be using a cross compiler--we only care whether it
2449 # can be created. At this point the main configure script has set CC.
2451 echo "int main () { return 0; }" > conftest.c
2452 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2453 if test $? = 0 ; then
2454 if test -s conftest || test -s conftest.exe ; then
2460 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2461 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2468 # Decide which environment variable is used to find dynamic libraries.
2470 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2471 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2472 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2473 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2476 # On systems where the dynamic library environment variable is PATH,
2477 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2478 # built executables to PATH.
2479 if test "$RPATH_ENVVAR" = PATH; then
2480 GCC_SHLIB_SUBDIR=/shlib
2485 # Record target_configdirs and the configure arguments for target and
2486 # build configuration in Makefile.
2487 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2488 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2490 # If we are building libgomp, bootstrap it.
2491 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2492 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2495 # If we are building libsanitizer, bootstrap it.
2496 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then
2497 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2500 # Determine whether gdb needs tk/tcl or not.
2501 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2502 # and in that case we want gdb to be built without tk. Ugh!
2503 # In fact I believe gdb is the *only* package directly dependent on tk,
2504 # so we should be able to put the 'maybe's in unconditionally and
2505 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2506 # 100% sure that that's safe though.
2508 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2509 case "$enable_gdbtk" in
2513 GDB_TK="${gdb_tk}" ;;
2515 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2516 # distro. Eventually someone will fix this and move Insight, nee
2517 # gdbtk to a separate directory.
2518 if test -d ${srcdir}/gdb/gdbtk ; then
2525 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2526 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2528 # Strip out unwanted targets.
2530 # While at that, we remove Makefiles if we were started for recursive
2531 # configuration, so that the top-level Makefile reconfigures them,
2532 # like we used to do when configure itself was recursive.
2534 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2535 # but now we're fixing up the Makefile ourselves with the additional
2536 # commands passed to AC_CONFIG_FILES. Use separate variables
2537 # extrasub-{build,host,target} not because there is any reason to split
2538 # the substitutions up that way, but only to remain below the limit of
2539 # 99 commands in a script, for HP-UX sed.
2540 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2542 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2543 yes:yes:*\ gold\ *:*,c++,*) ;;
2544 yes:yes:*\ gold\ *:*)
2545 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2549 # Adjust the toplevel makefile according to whether bootstrap was selected.
2550 case $enable_bootstrap in
2552 bootstrap_suffix=bootstrap
2553 BUILD_CONFIG=bootstrap-debug
2556 bootstrap_suffix=no-bootstrap
2561 AC_MSG_CHECKING(for default BUILD_CONFIG)
2563 AC_ARG_WITH([build-config],
2564 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2565 [use config/NAME.mk build configuration])],
2566 [case $with_build_config in
2567 yes) with_build_config= ;;
2568 no) with_build_config= BUILD_CONFIG= ;;
2571 if test "x${with_build_config}" != x; then
2572 BUILD_CONFIG=$with_build_config
2574 case $BUILD_CONFIG in
2576 if echo "int f (void) { return 0; }" > conftest.c &&
2577 ${CC} -c conftest.c &&
2578 mv conftest.o conftest.o.g0 &&
2579 ${CC} -c -g conftest.c &&
2580 mv conftest.o conftest.o.g &&
2581 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2586 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2590 AC_MSG_RESULT($BUILD_CONFIG)
2591 AC_SUBST(BUILD_CONFIG)
2594 for module in ${build_configdirs} ; do
2595 if test -z "${no_recursion}" \
2596 && test -f ${build_subdir}/${module}/Makefile; then
2597 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2598 rm -f ${build_subdir}/${module}/Makefile
2600 extrasub_build="$extrasub_build
2601 /^@if build-$module\$/d
2602 /^@endif build-$module\$/d
2603 /^@if build-$module-$bootstrap_suffix\$/d
2604 /^@endif build-$module-$bootstrap_suffix\$/d"
2607 for module in ${configdirs} ; do
2608 if test -z "${no_recursion}"; then
2609 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2610 if test -f ${file}; then
2611 echo 1>&2 "*** removing ${file} to force reconfigure"
2616 extrasub_host="$extrasub_host
2618 /^@endif $module\$/d
2619 /^@if $module-$bootstrap_suffix\$/d
2620 /^@endif $module-$bootstrap_suffix\$/d"
2623 for module in ${target_configdirs} ; do
2624 if test -z "${no_recursion}" \
2625 && test -f ${target_subdir}/${module}/Makefile; then
2626 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2627 rm -f ${target_subdir}/${module}/Makefile
2630 # We only bootstrap target libraries listed in bootstrap_target_libs.
2631 case $bootstrap_target_libs in
2632 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2633 *) target_bootstrap_suffix=no-bootstrap ;;
2636 extrasub_target="$extrasub_target
2637 /^@if target-$module\$/d
2638 /^@endif target-$module\$/d
2639 /^@if target-$module-$target_bootstrap_suffix\$/d
2640 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2643 # Do the final fixup along with target modules.
2644 extrasub_target="$extrasub_target
2645 /^@if /,/^@endif /d"
2647 # Create the serialization dependencies. This uses a temporary file.
2649 AC_ARG_ENABLE([serial-configure],
2650 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2651 [force sequential configuration of
2652 sub-packages for the host, target or build
2653 machine, or all sub-packages])])
2655 case ${enable_serial_configure} in
2657 enable_serial_build_configure=yes
2658 enable_serial_host_configure=yes
2659 enable_serial_target_configure=yes
2663 # These force 'configure's to be done one at a time, to avoid problems
2664 # with contention over a shared config.cache.
2666 echo '# serdep.tmp' > serdep.tmp
2668 test "x${enable_serial_build_configure}" = xyes &&
2669 for item in ${build_configdirs} ; do
2672 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2677 test "x${enable_serial_host_configure}" = xyes &&
2678 for item in ${configdirs} ; do
2681 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2686 test "x${enable_serial_target_configure}" = xyes &&
2687 for item in ${target_configdirs} ; do
2690 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2694 serialization_dependencies=serdep.tmp
2695 AC_SUBST_FILE(serialization_dependencies)
2697 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2698 # target, nonopt, and variable assignments. These are the ones we
2699 # might not want to pass down to subconfigures. The exception being
2700 # --cache-file=/dev/null, which is used to turn off the use of cache
2701 # files altogether, and which should be passed on to subconfigures.
2702 # Also strip program-prefix, program-suffix, and program-transform-name,
2703 # so that we can pass down a consistent program-transform-name.
2708 eval "set -- $ac_configure_args"
2711 if test X"$skip_next" = X"yes"; then
2715 if test X"$keep_next" = X"yes"; then
2718 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2720 baseargs="$baseargs '$ac_arg'"
2721 tbaseargs="$tbaseargs '$ac_arg'"
2726 # Handle separated arguments. Based on the logic generated by
2729 *=* | --config-cache | -C | -disable-* | --disable-* \
2730 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2731 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2732 | -with-* | --with-* | -without-* | --without-* | --x)
2746 --with-* | --without-*)
2747 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2751 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2754 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2763 mpc | mpfr | gmp | cloog)
2764 # If we're processing --with-$lib, --with-$lib-include or
2765 # --with-$lib-lib, for one of the libs above, and target is
2766 # different from host, don't pass the current argument to any
2767 # target library's configure.
2768 if test x$is_cross_compiler = xyes; then
2777 --cache-file=/dev/null | \
2778 -cache-file=/dev/null )
2779 # Handled here to avoid the test to skip args below.
2780 baseargs="$baseargs '$ac_arg'"
2781 tbaseargs="$tbaseargs '$ac_arg'"
2782 # Assert: $separate_arg should always be no.
2783 keep_next=$separate_arg
2799 -program-prefix* | \
2800 -program-suffix* | \
2801 -program-transform-name* )
2802 skip_next=$separate_arg
2806 # An option. Add it.
2809 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2811 baseargs="$baseargs '$ac_arg'"
2812 if test X"$skip_targ" = Xno; then
2813 tbaseargs="$tbaseargs '$ac_arg'"
2815 keep_next=$separate_arg
2818 # Either a variable assignment, or a nonopt (triplet). Don't
2819 # pass it down; let the Makefile handle this.
2824 # Remove the initial space we just introduced and, as these will be
2825 # expanded by make, quote '$'.
2826 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2828 # Add in --program-transform-name, after --program-prefix and
2829 # --program-suffix have been applied to it. Autoconf has already
2830 # doubled dollar signs and backslashes in program_transform_name; we want
2831 # the backslashes un-doubled, and then the entire thing wrapped in single
2832 # quotes, because this will be expanded first by make and then by the shell.
2833 # Also, because we want to override the logic in subdir configure scripts to
2834 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2835 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2836 ${program_transform_name}
2838 gcc_transform_name=`cat conftestsed.out`
2839 rm -f conftestsed.out
2840 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2841 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2842 if test "$silent" = yes; then
2843 baseargs="$baseargs --silent"
2844 tbaseargs="$tbaseargs --silent"
2846 baseargs="$baseargs --disable-option-checking"
2847 tbaseargs="$tbaseargs --disable-option-checking"
2849 # Record and document user additions to sub configure arguments.
2850 AC_ARG_VAR([build_configargs],
2851 [additional configure arguments for build directories])
2852 AC_ARG_VAR([host_configargs],
2853 [additional configure arguments for host directories])
2854 AC_ARG_VAR([target_configargs],
2855 [additional configure arguments for target directories])
2857 # For the build-side libraries, we just need to pretend we're native,
2858 # and not use the same cache file. Multilibs are neither needed nor
2860 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2862 # For host modules, accept cache file option, or specification as blank.
2863 case "${cache_file}" in
2865 cache_file_option="" ;;
2866 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2867 cache_file_option="--cache-file=${cache_file}" ;;
2869 cache_file_option="--cache-file=../${cache_file}" ;;
2872 # Host dirs don't like to share a cache file either, horribly enough.
2873 # This seems to be due to autoconf 2.5x stupidity.
2874 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2876 target_configargs="$target_configargs ${tbaseargs}"
2878 # Passing a --with-cross-host argument lets the target libraries know
2879 # whether they are being built with a cross-compiler or being built
2880 # native. However, it would be better to use other mechanisms to make the
2881 # sorts of decisions they want to make on this basis. Please consider
2882 # this option to be deprecated. FIXME.
2883 if test x${is_cross_compiler} = xyes ; then
2884 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2887 # Default to --enable-multilib.
2888 if test x${enable_multilib} = x ; then
2889 target_configargs="--enable-multilib ${target_configargs}"
2892 # Pass --with-newlib if appropriate. Note that target_configdirs has
2893 # changed from the earlier setting of with_newlib.
2894 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2895 target_configargs="--with-newlib ${target_configargs}"
2898 # Different target subdirs use different values of certain variables
2899 # (notably CXX). Worse, multilibs use *lots* of different values.
2900 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2901 # it doesn't automatically accept command-line overrides of them.
2902 # This means it's not safe for target subdirs to share a cache file,
2903 # which is disgusting, but there you have it. Hopefully this can be
2904 # fixed in future. It's still worthwhile to use a cache file for each
2905 # directory. I think.
2907 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2908 # We need to pass --target, as newer autoconf's requires consistency
2909 # for target_alias and gcc doesn't manage it consistently.
2910 target_configargs="--cache-file=./config.cache ${target_configargs}"
2913 case " $target_configdirs " in
2915 case " $target_configargs " in
2916 *" --with-newlib "*)
2919 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
2923 # If we're not building GCC, don't discard standard headers.
2924 if test -d ${srcdir}/gcc; then
2925 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2927 if test "${build}" != "${host}"; then
2928 # On Canadian crosses, CC_FOR_TARGET will have already been set
2929 # by `configure', so we won't have an opportunity to add -Bgcc/
2930 # to it. This is right: we don't want to search that directory
2931 # for binaries, but we want the header files in there, so add
2933 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2935 # Someone might think of using the pre-installed headers on
2936 # Canadian crosses, in case the installed compiler is not fully
2937 # compatible with the compiler being built. In this case, it
2938 # would be better to flag an error than risking having
2939 # incompatible object files being constructed. We can't
2940 # guarantee that an error will be flagged, but let's hope the
2941 # compiler will do it, when presented with incompatible header
2946 case "${target}-${is_cross_compiler}" in
2947 i[[3456789]]86-*-linux*-no)
2948 # Here host == target, so we don't need to build gcc,
2949 # so we don't want to discard standard headers.
2950 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2953 # If we're building newlib, use its generic headers last, but search
2954 # for any libc-related directories first (so make it the last -B
2956 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2958 # If we're building libgloss, find the startup file, simulator library
2959 # and linker script.
2960 case " $target_configdirs " in
2962 # Look for startup file, simulator library and maybe linker script.
2963 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2964 # Look for libnosys.a in case the target needs it.
2965 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2966 # Most targets have the linker script in the source directory.
2967 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2978 x86_64-*mingw* | *-w64-mingw*)
2979 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2980 # however, use a symlink named 'mingw' in ${prefix} .
2981 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2984 # MinGW can't be handled as Cygwin above since it does not use newlib.
2985 FLAGS_FOR_TARGET=$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'
2989 # Allow the user to override the flags for
2990 # our build compiler if desired.
2991 if test x"${build}" = x"${host}" ; then
2992 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2993 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2994 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2997 # On Canadian crosses, we'll be searching the right directories for
2998 # the previously-installed cross compiler, so don't bother to add
2999 # flags for directories within the install tree of the compiler
3000 # being built; programs in there won't even run.
3001 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3002 # Search for pre-installed headers if nothing else fits.
3003 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3006 if test "x${use_gnu_ld}" = x &&
3007 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3008 # Arrange for us to find uninstalled linker scripts.
3009 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3012 # Search for other target-specific linker scripts and such.
3015 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3019 # UPC linker script check
3020 AC_MSG_CHECKING([for UPC link script support])
3021 AC_ARG_ENABLE(upc-link-script,
3023 [--enable-upc-link-script],
3024 [enable UPC's use of a custom linker script;
3025 this will define the UPC shared section as a no load section on
3026 targets where this feature is supported (requires GNU LD)]),
3031 AC_MSG_ERROR([--enable-upc-link-script accepts only yes or no.])
3036 if test x${use_gnu_ld} != xno ; then
3038 # disable linker script for Apple Mac OS X
3040 enable_upc_link_script=no
3043 enable_upc_link_script=yes
3047 enable_upc_link_script=no
3049 if test "$enable_upc_link_script" = yes; then
3050 target_configargs="${target_configargs} --enable-upc-link-script"
3051 host_configargs="${host_configargs} --enable-upc-link-script"
3054 if test "$enable_upc_link_script" = yes; then
3055 AC_MSG_RESULT([yes]);
3057 AC_MSG_RESULT([no]);
3061 # Makefile fragments.
3062 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3064 eval fragval=\$$frag
3065 if test $fragval != /dev/null; then
3066 eval $frag=${srcdir}/$fragval
3069 AC_SUBST_FILE(host_makefile_frag)
3070 AC_SUBST_FILE(target_makefile_frag)
3071 AC_SUBST_FILE(alphaieee_frag)
3072 AC_SUBST_FILE(ospace_frag)
3074 # Miscellanea: directories, flags, etc.
3075 AC_SUBST(RPATH_ENVVAR)
3076 AC_SUBST(GCC_SHLIB_SUBDIR)
3078 AC_SUBST(build_tooldir)
3079 AC_SUBST(CONFIGURE_GDB_TK)
3081 AC_SUBST(INSTALL_GDB_TK)
3083 # Build module lists & subconfigure args.
3084 AC_SUBST(build_configargs)
3085 AC_SUBST(build_configdirs)
3087 # Host module lists & subconfigure args.
3088 AC_SUBST(host_configargs)
3089 AC_SUBST(configdirs)
3090 AC_SUBST(target_configdirs)
3092 # Target module lists & subconfigure args.
3093 AC_SUBST(target_configargs)
3097 AC_SUBST(AR_FOR_BUILD)
3098 AC_SUBST(AS_FOR_BUILD)
3099 AC_SUBST(CC_FOR_BUILD)
3100 AC_SUBST(CFLAGS_FOR_BUILD)
3101 AC_SUBST(CXXFLAGS_FOR_BUILD)
3102 AC_SUBST(CXX_FOR_BUILD)
3103 AC_SUBST(DLLTOOL_FOR_BUILD)
3104 AC_SUBST(GCJ_FOR_BUILD)
3105 AC_SUBST(GFORTRAN_FOR_BUILD)
3106 AC_SUBST(GOC_FOR_BUILD)
3107 AC_SUBST(GUPC_FOR_BUILD)
3108 AC_SUBST(LDFLAGS_FOR_BUILD)
3109 AC_SUBST(LD_FOR_BUILD)
3110 AC_SUBST(NM_FOR_BUILD)
3111 AC_SUBST(RANLIB_FOR_BUILD)
3112 AC_SUBST(WINDMC_FOR_BUILD)
3113 AC_SUBST(WINDRES_FOR_BUILD)
3115 # Generate default definitions for YACC, M4, LEX and other programs that run
3116 # on the build machine. These are used if the Makefile can't locate these
3117 # programs in objdir.
3118 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3120 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3121 case " $build_configdirs " in
3122 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3125 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3126 case " $build_configdirs " in
3127 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3130 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3131 case " $build_configdirs " in
3132 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3135 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3136 case " $build_configdirs " in
3137 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3138 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3141 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3142 case " $build_configdirs " in
3143 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3146 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3147 case " $build_configdirs " in
3148 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3151 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3152 # higher, else we use the "missing" dummy.
3153 if ${MAKEINFO} --version \
3154 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3157 MAKEINFO="$MISSING makeinfo"
3163 # FIXME: expect and dejagnu may become build tools?
3165 AC_CHECK_PROGS(EXPECT, expect, expect)
3166 case " $configdirs " in
3168 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3172 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3173 case " $configdirs " in
3175 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3181 NCN_STRICT_CHECK_TOOLS(AR, ar)
3182 NCN_STRICT_CHECK_TOOLS(AS, as)
3183 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3184 NCN_STRICT_CHECK_TOOLS(LD, ld)
3185 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3186 NCN_STRICT_CHECK_TOOLS(NM, nm)
3187 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3188 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3189 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3190 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3191 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3192 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3193 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3200 AC_ARG_WITH([build-time-tools],
3201 [AS_HELP_STRING([--with-build-time-tools=PATH],
3202 [use given path to find target tools during the build])],
3203 [case x"$withval" in
3206 with_build_time_tools=
3207 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3210 [with_build_time_tools=])
3212 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3213 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3214 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3215 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3216 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3217 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3218 NCN_STRICT_CHECK_TARGET_TOOLS(GUPC_FOR_TARGET, gupc)
3220 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3221 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3222 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3223 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3224 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3225 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3226 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3227 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3228 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3229 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3230 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3231 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3233 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3235 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3236 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3237 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3238 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3239 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3240 [gcc/xg++ -B$$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],
3242 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3243 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3245 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3246 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3247 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3248 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3249 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3250 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3251 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3252 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3253 GCC_TARGET_TOOL(gupc, GUPC_FOR_TARGET, GUPC,
3254 [gcc/gupc -B$$r/$(HOST_SUBDIR)/gcc/], upc)
3255 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3256 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3257 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3258 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3259 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3260 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3261 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3262 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3263 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3265 AC_SUBST(FLAGS_FOR_TARGET)
3266 AC_SUBST(RAW_CXX_FOR_TARGET)
3268 # Certain tools may need extra flags.
3269 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3270 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3271 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3273 # When building target libraries, except in a Canadian cross, we use
3274 # the same toolchain as the compiler we just built.
3275 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3276 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3277 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3278 if test $host = $build; then
3279 case " $configdirs " in
3281 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3282 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3283 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3288 AC_SUBST(COMPILER_AS_FOR_TARGET)
3289 AC_SUBST(COMPILER_LD_FOR_TARGET)
3290 AC_SUBST(COMPILER_NM_FOR_TARGET)
3292 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3293 AC_ARG_ENABLE(maintainer-mode,
3294 [AS_HELP_STRING([--enable-maintainer-mode],
3295 [enable make rules and dependencies not useful
3296 (and sometimes confusing) to the casual installer])],
3297 USE_MAINTAINER_MODE=$enableval,
3298 USE_MAINTAINER_MODE=no)
3299 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3300 AC_SUBST(MAINTAINER_MODE_TRUE)
3301 AC_SUBST(MAINTAINER_MODE_FALSE)
3302 if test "$USE_MAINTAINER_MODE" = yes; then
3303 MAINTAINER_MODE_TRUE=
3304 MAINTAINER_MODE_FALSE='#'
3306 MAINTAINER_MODE_TRUE='#'
3307 MAINTAINER_MODE_FALSE=
3309 MAINT=$MAINTAINER_MODE_TRUE
3312 # ---------------------
3313 # GCC bootstrap support
3314 # ---------------------
3316 # Stage specific cflags for build.
3321 yes) stage1_cflags="-g -Wa,-J" ;;
3322 *) stage1_cflags="-g -J" ;;
3326 AC_SUBST(stage1_cflags)
3328 # Enable --enable-checking in stage1 of the compiler.
3329 AC_ARG_ENABLE(stage1-checking,
3330 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3331 [choose additional checking for stage1 of the compiler])],
3332 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3333 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3334 stage1_checking=--enable-checking=yes,types
3336 stage1_checking=--enable-checking=$enable_checking,types
3338 AC_SUBST(stage1_checking)
3340 # Enable -Werror in bootstrap stage2 and later.
3341 AC_ARG_ENABLE(werror,
3342 [AS_HELP_STRING([--enable-werror],
3343 [enable -Werror in bootstrap stage2 and later])], [],
3344 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3349 case ${enable_werror} in
3350 yes) stage2_werror_flag="--enable-werror-always" ;;
3351 *) stage2_werror_flag="" ;;
3353 AC_SUBST(stage2_werror_flag)
3355 # Specify what files to not compare during bootstrap.
3357 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3359 hppa*64*-*-hpux*) ;;
3360 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3361 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3363 AC_SUBST(compare_exclusions)
3365 AC_CONFIG_FILES([Makefile],
3366 [sed "$extrasub_build" Makefile |
3367 sed "$extrasub_host" |
3368 sed "$extrasub_target" > mf$$
3369 mv -f mf$$ Makefile],
3370 [extrasub_build="$extrasub_build"
3371 extrasub_host="$extrasub_host"
3372 extrasub_target="$extrasub_target"])