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 \
175 # these tools are built using the target libraries, and are intended to
176 # run only in the target environment
178 # note: any program that *uses* libraries that are in the "target_libraries"
179 # list belongs in this list.
181 target_tools="target-rda"
183 ################################################################################
185 ## All tools belong in one of the four categories, and are assigned above
186 ## We assign ${configdirs} this way to remove all embedded newlines. This
187 ## is important because configure will choke if they ever get through.
188 ## ${configdirs} is directories we build using the host tools.
189 ## ${target_configdirs} is directories we build using the target tools.
190 configdirs=`echo ${host_libs} ${host_tools}`
191 target_configdirs=`echo ${target_libraries} ${target_tools}`
192 build_configdirs=`echo ${build_libs} ${build_tools}`
194 m4_divert_text([PARSE_ARGS],
197 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
198 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
199 m4_popdef([AS_MESSAGE_LOG_FD])dnl
202 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
205 ################################################################################
207 srcname="gnu development package"
209 # This gets set non-empty for some net releases of packages.
212 # Define is_cross_compiler to save on calls to 'test'.
214 if test x"${host}" = x"${target}" ; then
217 is_cross_compiler=yes
220 # Find the build and target subdir names.
222 # Be sure to cover against remnants of an in-tree build.
223 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
224 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
225 Use a pristine source tree when building in a separate tree])
228 # Skipdirs are removed silently.
230 # Noconfigdirs are removed loudly.
234 # Make sure we don't let GNU ld be added if we didn't want it.
235 if test x$with_gnu_ld = xno ; then
237 noconfigdirs="$noconfigdirs ld gold"
241 # Make sure we don't let GNU as be added if we didn't want it.
242 if test x$with_gnu_as = xno ; then
244 noconfigdirs="$noconfigdirs gas"
248 # Make sure we don't let ZLIB be added if we didn't want it.
249 if test x$with_system_zlib = xyes ; then
251 noconfigdirs="$noconfigdirs zlib"
254 # some tools are so dependent upon X11 that if we're not building with X,
255 # it's not even worth trying to configure, much less build, that tool.
258 yes | "") ;; # the default value for this tree is that X11 is available
260 skipdirs="${skipdirs} tk itcl libgui"
261 # We won't be able to build gdbtk without X.
264 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
267 # Some are only suitable for cross toolchains.
268 # Remove these if host=target.
269 cross_only="target-libgloss target-newlib target-opcodes"
271 case $is_cross_compiler in
272 no) skipdirs="${skipdirs} ${cross_only}" ;;
275 # If both --with-headers and --with-libs are specified, default to
277 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
278 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
279 if test x"${with_newlib}" = x ; then
284 # Recognize --with-newlib/--without-newlib.
285 case ${with_newlib} in
286 no) skipdirs="${skipdirs} target-newlib" ;;
287 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
290 # Handle --enable-gold, --enable-ld.
291 # --disable-gold [--enable-ld]
292 # Build only ld. Default option.
293 # --enable-gold [--enable-ld]
294 # Build both gold and ld. Install gold as "ld.gold", install ld
295 # as "ld.bfd" and "ld".
296 # --enable-gold=default [--enable-ld]
297 # Build both gold and ld. Install gold as "ld.gold" and "ld",
298 # install ld as "ld.bfd".
299 # --enable-gold[=default] --disable-ld
300 # Build only gold, which is then installed as both "ld.gold" and "ld".
301 # --enable-gold --enable-ld=default
302 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
304 # In other words, ld is default
305 # --enable-gold=default --enable-ld=default
310 [AS_HELP_STRING([[--enable-gold[=ARG]]],
311 [build gold @<:@ARG={default,yes,no}@:>@])],
312 ENABLE_GOLD=$enableval,
314 case "${ENABLE_GOLD}" in
316 # Check for ELF target.
319 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
320 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
321 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
322 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
324 *-*-linux*aout* | *-*-linux*oldld*)
332 if test "$is_elf" = "yes"; then
333 # Check for target supported by gold.
335 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
336 configdirs="$configdirs gold"
337 if test x${ENABLE_GOLD} = xdefault; then
348 AC_MSG_ERROR([invalid --enable-gold argument])
353 [AS_HELP_STRING([[--enable-ld[=ARG]]],
354 [build ld @<:@ARG={default,yes,no}@:>@])],
355 ENABLE_LD=$enableval,
358 case "${ENABLE_LD}" in
360 if test x${default_ld} != x; then
361 AC_MSG_ERROR([either gold or ld can be the default ld])
367 if test x${ENABLE_GOLD} != xyes; then
368 AC_MSG_WARN([neither ld nor gold are enabled])
370 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
373 AC_MSG_ERROR([invalid --enable-ld argument])
377 # Configure extra directories which are host specific
381 configdirs="$configdirs libtermcap" ;;
384 # A target can indicate whether a language isn't supported for some reason.
385 # Only spaces may be used in this macro; not newlines or tabs.
386 unsupported_languages=
388 # Remove more programs from consideration, based on the host or
389 # target this usually means that a port of the program doesn't
393 i[[3456789]]86-*-msdosdjgpp*)
394 noconfigdirs="$noconfigdirs tcl tk itcl"
399 AC_ARG_ENABLE(libquadmath,
400 AS_HELP_STRING([--disable-libquadmath],
401 [do not build libquadmath directory]),
402 ENABLE_LIBQUADMATH=$enableval,
403 ENABLE_LIBQUADMATH=yes)
404 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
405 noconfigdirs="$noconfigdirs target-libquadmath"
409 AC_ARG_ENABLE(libquadmath-support,
410 AS_HELP_STRING([--disable-libquadmath-support],
411 [disable libquadmath support for Fortran]),
412 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
413 ENABLE_LIBQUADMATH_SUPPORT=yes)
414 enable_libquadmath_support=
415 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
416 enable_libquadmath_support=no
420 AC_ARG_ENABLE(libada,
421 [AS_HELP_STRING([--enable-libada], [build libada directory])],
422 ENABLE_LIBADA=$enableval,
424 if test "${ENABLE_LIBADA}" != "yes" ; then
425 noconfigdirs="$noconfigdirs gnattools"
428 AC_ARG_ENABLE(libssp,
429 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
430 ENABLE_LIBSSP=$enableval,
433 AC_ARG_ENABLE(libstdcxx,
434 AS_HELP_STRING([--disable-libstdcxx],
435 [do not build libstdc++-v3 directory]),
436 ENABLE_LIBSTDCXX=$enableval,
437 ENABLE_LIBSTDCXX=default)
438 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
439 noconfigdirs="$noconfigdirs libstdc++-v3"
442 # Save it here so that, even in case of --enable-libgcj, if the Java
443 # front-end isn't enabled, we still get libgcj disabled.
445 case $enable_libgcj in
447 # If we reset it here, it won't get added to noconfigdirs in the
448 # target-specific build rules, so it will be forcibly enabled
449 # (unless the Java language itself isn't enabled).
453 # Make sure we get it printed in the list of not supported target libs.
454 # Don't disable libffi, though, other languages use it.
455 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
456 # Clear libgcj_saved so that even if java is enabled libffi won't be
462 AC_ARG_ENABLE(static-libjava,
463 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
464 [build static libjava @<:@default=no@:>@])],
465 ENABLE_STATIC_LIBJAVA=$enableval,
466 ENABLE_STATIC_LIBJAVA=no)
467 enable_static_libjava=
468 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
469 enable_static_libjava=yes
472 if test x$enable_static_libjava != xyes ; then
473 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
475 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
477 # Disable libmudflap on some systems.
478 if test x$enable_libmudflap = x ; then
480 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
481 # Enable libmudflap by default in GNU and friends.
484 # Enable libmudflap by default in FreeBSD.
487 # Disable it by default everywhere else.
488 noconfigdirs="$noconfigdirs target-libmudflap"
495 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
497 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
499 *-*-solaris2* | *-*-hpux11*)
501 *-*-darwin* | *-*-aix*)
508 # Enable libgomp by default on POSIX hosted systems.
509 if test x$enable_libgomp = x -a $posix_based_os = "no" ; then
510 # Disable libgomp on non POSIX hosted systems.
511 noconfigdirs="$noconfigdirs target-libgomp"
514 # Enable libgupc by default on POSIX hosted systems.
515 if test x$enable_libgupc = x -a $posix_based_os = "no" ; then
516 # Disable libgupc on non POSIX hosted systems.
517 noconfigdirs="$noconfigdirs target-libgupc"
520 # Disable libatomic on unsupported systems.
521 if test -d ${srcdir}/libatomic; then
522 if test x$enable_libatomic = x; then
523 AC_MSG_CHECKING([for libatomic support])
524 if (srcdir=${srcdir}/libatomic; \
525 . ${srcdir}/configure.tgt; \
526 test -n "$UNSUPPORTED")
529 noconfigdirs="$noconfigdirs target-libatomic"
536 # Disable libitm on unsupported systems.
537 if test -d ${srcdir}/libitm; then
538 if test x$enable_libitm = x; then
539 AC_MSG_CHECKING([for libitm support])
540 if (srcdir=${srcdir}/libitm; \
541 . ${srcdir}/configure.tgt; \
542 test -n "$UNSUPPORTED")
545 noconfigdirs="$noconfigdirs target-libitm"
552 # Disable libsanitizer on unsupported systems.
553 if test -d ${srcdir}/libsanitizer; then
554 if test x$enable_libsanitizer = x; then
555 AC_MSG_CHECKING([for libsanitizer support])
556 if (srcdir=${srcdir}/libsanitizer; \
557 . ${srcdir}/configure.tgt; \
558 test -n "$UNSUPPORTED")
561 noconfigdirs="$noconfigdirs target-libsanitizer"
568 # Disable libvtv on unsupported systems.
569 if test -d ${srcdir}/libvtv; then
570 if test x$enable_libvtv = x; then
571 AC_MSG_CHECKING([for libvtv support])
572 if (srcdir=${srcdir}/libvtv; \
573 . ${srcdir}/configure.tgt; \
574 test "$VTV_SUPPORTED" != "yes")
577 noconfigdirs="$noconfigdirs target-libvtv"
584 # Disable libquadmath for some systems.
587 noconfigdirs="$noconfigdirs target-libquadmath"
589 # libquadmath is unused on AIX and libquadmath build process use of
590 # LD_LIBRARY_PATH can break AIX bootstrap.
591 powerpc-*-aix* | rs6000-*-aix*)
592 noconfigdirs="$noconfigdirs target-libquadmath"
596 # Disable libssp for some systems.
599 # No hosted I/O support.
600 noconfigdirs="$noconfigdirs target-libssp"
602 powerpc-*-aix* | rs6000-*-aix*)
603 noconfigdirs="$noconfigdirs target-libssp"
606 # libssp uses a misaligned load to trigger a fault, but the RL78
607 # doesn't fault for those - instead, it gives a build-time error
608 # for explicit misaligned loads.
609 noconfigdirs="$noconfigdirs target-libssp"
613 # Disable libstdc++-v3 for some systems.
614 # Allow user to override this if they pass --enable-libstdc++-v3
615 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
618 # VxWorks uses the Dinkumware C++ library.
619 noconfigdirs="$noconfigdirs target-libstdc++-v3"
622 # the C++ libraries don't build on top of CE's C libraries
623 noconfigdirs="$noconfigdirs target-libstdc++-v3"
626 noconfigdirs="$noconfigdirs target-libstdc++-v3"
631 # Disable Fortran for some systems.
634 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
635 unsupported_languages="$unsupported_languages fortran"
639 # Disable Java if libffi is not supported.
671 powerpc-*-aix* | rs6000-*-aix*)
675 powerpc64-*-freebsd*)
679 s390-*-* | s390x-*-*)
681 sh-*-* | sh[[34]]*-*-*)
690 unsupported_languages="$unsupported_languages java"
694 # Disable Java, libgcj or related libraries for some systems.
698 i[[3456789]]86-*-darwin*)
700 x86_64-*-darwin[[912]]*)
703 noconfigdirs="$noconfigdirs ${libgcj}"
706 noconfigdirs="$noconfigdirs ${libgcj}"
709 noconfigdirs="$noconfigdirs ${libgcj}"
712 noconfigdirs="$noconfigdirs ${libgcj}"
715 noconfigdirs="$noconfigdirs ${libgcj}"
718 noconfigdirs="$noconfigdirs ${libgcj}"
721 noconfigdirs="$noconfigdirs ${libgcj}"
724 noconfigdirs="$noconfigdirs ${libgcj}"
727 noconfigdirs="$noconfigdirs ${libgcj}"
730 noconfigdirs="$noconfigdirs target-boehm-gc"
732 cris-*-* | crisv32-*-*)
733 unsupported_languages="$unsupported_languages java"
737 *) # See PR46792 regarding target-libffi.
738 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
742 # In this case, it's because the hppa64-linux target is for
743 # the kernel only at this point and has no libc, and thus no
744 # headers, crt*.o, etc., all of which are needed by these.
745 unsupported_languages="$unsupported_languages java"
748 noconfigdirs="$noconfigdirs ${libgcj}"
753 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
754 # build on HP-UX 10.20.
755 noconfigdirs="$noconfigdirs ${libgcj}"
758 noconfigdirs="$noconfigdirs ${libgcj}"
760 i[[3456789]]86-w64-mingw*)
761 noconfigdirs="$noconfigdirs ${libgcj}"
763 i[[3456789]]86-*-mingw*)
764 noconfigdirs="$noconfigdirs ${libgcj}"
767 noconfigdirs="$noconfigdirs ${libgcj}"
770 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
773 # copied from rs6000-*-* entry
774 noconfigdirs="$noconfigdirs ${libgcj}"
777 noconfigdirs="$noconfigdirs ${libgcj}"
780 noconfigdirs="$noconfigdirs ${libgcj}"
784 # Disable libgo for some systems where it is known to not work.
785 # For testing, you can easily override this with --enable-libgo.
786 if test x$enable_libgo = x; then
790 noconfigdirs="$noconfigdirs target-libgo"
792 *-*-cygwin* | *-*-mingw*)
793 noconfigdirs="$noconfigdirs target-libgo"
796 noconfigdirs="$noconfigdirs target-libgo"
801 # Default libgloss CPU subdirectory.
802 libgloss_dir="$target_cpu"
805 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
814 cris-*-* | crisv32-*-*)
823 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
840 # Disable newlib and libgloss for various target OSes.
843 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
845 i[[3456789]]86-*-linux*)
846 # This section makes it possible to build newlib natively on linux.
847 # If we are using a cross compiler then don't configure newlib.
848 if test x${is_cross_compiler} != xno ; then
849 noconfigdirs="$noconfigdirs target-newlib"
851 noconfigdirs="$noconfigdirs target-libgloss"
852 # If we are not using a cross compiler, do configure newlib.
853 # Note however, that newlib will only be configured in this situation
854 # if the --with-newlib option has been given, because otherwise
855 # 'target-newlib' will appear in skipdirs.
857 i[[3456789]]86-*-rdos*)
858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
860 sh*-*-pe|mips*-*-pe|arm-wince-pe)
861 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
864 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
867 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
870 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
873 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
876 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
879 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
881 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
885 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
888 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
897 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
900 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
903 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
911 noconfigdirs="$noconfigdirs ld gas gdb gprof"
912 noconfigdirs="$noconfigdirs sim target-rda"
914 i[[3456789]]86-*-darwin*)
915 noconfigdirs="$noconfigdirs ld gprof"
916 noconfigdirs="$noconfigdirs sim target-rda"
918 x86_64-*-darwin[[912]]*)
919 noconfigdirs="$noconfigdirs ld gas gprof"
920 noconfigdirs="$noconfigdirs sim target-rda"
923 noconfigdirs="$noconfigdirs ld gas gdb gprof"
924 noconfigdirs="$noconfigdirs sim target-rda"
929 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
930 && test -f /usr/local/include/gmp.h; then
935 # Remove unsupported stuff on all kaOS configurations.
936 noconfigdirs="$noconfigdirs target-libgloss"
943 noconfigdirs="$noconfigdirs target-libgloss"
945 # The tpf target doesn't support gdb yet.
947 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
950 noconfigdirs="$noconfigdirs target-rda"
955 # ld works, but does not support shared libraries.
956 # gas doesn't generate exception information.
957 noconfigdirs="$noconfigdirs gas ld"
960 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
963 # newlib is not 64 bit ready
964 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
966 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
967 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
970 noconfigdirs="$noconfigdirs target-libgloss"
973 noconfigdirs="$noconfigdirs target-libgloss"
976 noconfigdirs="$noconfigdirs ld target-libgloss"
981 if test x${with_avrlibc} != xno; then
982 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
986 noconfigdirs="$noconfigdirs target-libgloss"
989 noconfigdirs="$noconfigdirs target-libgloss gdb"
992 noconfigdirs="$noconfigdirs target-libgloss"
995 noconfigdirs="$noconfigdirs gdb"
998 noconfigdirs="$noconfigdirs gdb"
1001 noconfigdirs="$noconfigdirs gprof"
1004 noconfigdirs="$noconfigdirs target-libgloss"
1007 noconfigdirs="$noconfigdirs target-libgloss"
1009 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1017 hppa*-*-openbsd* | \
1021 noconfigdirs="$noconfigdirs ld"
1026 noconfigdirs="$noconfigdirs ld"
1029 noconfigdirs="$noconfigdirs gdb"
1032 # No gdb support yet.
1033 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1036 # No ld support yet.
1037 noconfigdirs="$noconfigdirs libgui itcl ld"
1040 # No ld support yet.
1041 noconfigdirs="$noconfigdirs libgui itcl ld"
1043 i[[3456789]]86-w64-mingw*)
1045 i[[3456789]]86-*-mingw*)
1046 target_configdirs="$target_configdirs target-winsup"
1049 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1050 noconfigdirs="$noconfigdirs target-libgloss"
1051 # always build newlib if winsup directory is present.
1052 if test -d "$srcdir/winsup/cygwin"; then
1053 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1054 elif test -d "$srcdir/newlib"; then
1055 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1058 i[[3456789]]86-*-pe)
1059 noconfigdirs="$noconfigdirs target-libgloss"
1061 i[[3456789]]86-*-sco3.2v5*)
1062 # The linker does not yet know about weak symbols in COFF,
1063 # and is not configured to handle mixed ELF and COFF.
1064 noconfigdirs="$noconfigdirs ld target-libgloss"
1066 i[[3456789]]86-*-sco*)
1067 noconfigdirs="$noconfigdirs gprof target-libgloss"
1069 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1070 noconfigdirs="$noconfigdirs target-libgloss"
1072 i[[3456789]]86-*-sysv4*)
1073 noconfigdirs="$noconfigdirs target-libgloss"
1075 i[[3456789]]86-*-beos*)
1076 noconfigdirs="$noconfigdirs gdb"
1078 i[[3456789]]86-*-rdos*)
1079 noconfigdirs="$noconfigdirs gdb"
1082 noconfigdirs="$noconfigdirs gdb"
1085 noconfigdirs="$noconfigdirs sim"
1088 # copied from rs6000-*-* entry
1089 noconfigdirs="$noconfigdirs gprof"
1091 powerpc*-*-winnt* | powerpc*-*-pe*)
1092 target_configdirs="$target_configdirs target-winsup"
1093 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1094 # always build newlib.
1095 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1097 # This is temporary until we can link against shared libraries
1098 powerpcle-*-solaris*)
1099 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1102 noconfigdirs="$noconfigdirs gdb"
1105 noconfigdirs="$noconfigdirs gprof"
1108 noconfigdirs="$noconfigdirs gprof"
1111 noconfigdirs="$noconfigdirs gprof"
1114 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1117 noconfigdirs="$noconfigdirs gprof"
1119 mips*-sde-elf* | mips*-mti-elf*)
1120 if test x$with_newlib = xyes; then
1121 noconfigdirs="$noconfigdirs gprof"
1125 noconfigdirs="$noconfigdirs gprof target-libgloss"
1128 noconfigdirs="$noconfigdirs gprof target-libgloss"
1131 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1135 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1136 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1137 noconfigdirs="$noconfigdirs ld gas gprof"
1140 noconfigdirs="$noconfigdirs gprof"
1147 noconfigdirs="$noconfigdirs target-libgloss" ;;
1151 if test x${is_cross_compiler} = xno ; then
1156 noconfigdirs="$noconfigdirs sim"
1158 tilepro-*-* | tilegx-*-*)
1159 noconfigdirs="$noconfigdirs sim"
1162 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1165 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1169 # If we aren't building newlib, then don't build libgloss, since libgloss
1170 # depends upon some newlib header files.
1171 case "${noconfigdirs}" in
1172 *target-libgloss*) ;;
1173 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1176 # Work in distributions that contain no compiler tools, like Autoconf.
1177 host_makefile_frag=/dev/null
1178 if test -d ${srcdir}/config ; then
1180 i[[3456789]]86-*-msdosdjgpp*)
1181 host_makefile_frag="config/mh-djgpp"
1184 ACX_CHECK_CYGWIN_CAT_WORKS
1185 host_makefile_frag="config/mh-cygwin"
1188 host_makefile_frag="config/mh-mingw"
1191 host_makefile_frag="config/mh-pa-hpux10"
1194 host_makefile_frag="config/mh-pa"
1197 host_makefile_frag="config/mh-pa"
1200 host_makefile_frag="config/mh-darwin"
1203 host_makefile_frag="config/mh-ppc-aix"
1206 host_makefile_frag="config/mh-ppc-aix"
1211 if test "${build}" != "${host}" ; then
1212 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1213 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1214 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1215 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1216 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1217 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1218 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1219 GUPC_FOR_BUILD=${GUPC_FOR_BUILD-gupc}
1220 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1221 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1222 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1223 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1224 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1225 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1227 AR_FOR_BUILD="\$(AR)"
1228 AS_FOR_BUILD="\$(AS)"
1229 CC_FOR_BUILD="\$(CC)"
1230 CXX_FOR_BUILD="\$(CXX)"
1231 GCJ_FOR_BUILD="\$(GCJ)"
1232 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1233 GOC_FOR_BUILD="\$(GOC)"
1234 GUPC_FOR_BUILD="\$(GUPC)"
1235 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1236 LD_FOR_BUILD="\$(LD)"
1237 NM_FOR_BUILD="\$(NM)"
1238 RANLIB_FOR_BUILD="\$(RANLIB)"
1239 WINDRES_FOR_BUILD="\$(WINDRES)"
1240 WINDMC_FOR_BUILD="\$(WINDMC)"
1246 # We must set the default linker to the linker used by gcc for the correct
1247 # operation of libtool. If LD is not defined and we are using gcc, try to
1248 # set the LD default to the ld used by gcc.
1249 if test -z "$LD"; then
1250 if test "$GCC" = yes; then
1253 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1255 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1257 case $gcc_prog_ld in
1258 # Accept absolute paths.
1259 [[\\/]* | [A-Za-z]:[\\/]*)]
1260 LD="$gcc_prog_ld" ;;
1265 # Check whether -static-libstdc++ -static-libgcc is supported.
1267 if test "$GCC" = yes; then
1268 saved_LDFLAGS="$LDFLAGS"
1270 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1271 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1274 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1275 #error -static-libstdc++ not implemented
1278 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1279 [AC_MSG_RESULT([no])])
1282 LDFLAGS="$saved_LDFLAGS"
1286 ACX_PROG_CMP_IGNORE_INITIAL
1288 AC_ARG_ENABLE([bootstrap],
1289 [AS_HELP_STRING([--enable-bootstrap],
1290 [enable bootstrapping @<:@yes if native build@:>@])],,
1291 enable_bootstrap=default)
1293 # Issue errors and warnings for invalid/strange bootstrap combinations.
1294 if test -r $srcdir/gcc/configure; then
1300 case "$have_compiler:$host:$target:$enable_bootstrap" in
1303 # Default behavior. Enable bootstrap if we have a compiler
1304 # and we are in a native configuration.
1305 yes:$build:$build:default)
1306 enable_bootstrap=yes ;;
1309 enable_bootstrap=no ;;
1311 # We have a compiler and we are in a native configuration, bootstrap is ok
1312 yes:$build:$build:yes)
1315 # Other configurations, but we have a compiler. Assume the user knows
1318 AC_MSG_WARN([trying to bootstrap a cross compiler])
1321 # No compiler: if they passed --enable-bootstrap explicitly, fail
1323 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1325 # Fail if wrong command line
1327 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1331 # Used for setting $lt_cv_objdir
1334 # Check for GMP, MPFR and MPC
1335 gmplibs="-lmpc -lmpfr -lgmp"
1339 # Specify a location for mpc
1340 # check for this first so it ends up on the link line before mpfr.
1342 [AS_HELP_STRING([--with-mpc=PATH],
1343 [specify prefix directory for installed MPC package.
1344 Equivalent to --with-mpc-include=PATH/include
1345 plus --with-mpc-lib=PATH/lib])])
1346 AC_ARG_WITH(mpc-include,
1347 [AS_HELP_STRING([--with-mpc-include=PATH],
1348 [specify directory for installed MPC include files])])
1349 AC_ARG_WITH(mpc-lib,
1350 [AS_HELP_STRING([--with-mpc-lib=PATH],
1351 [specify directory for the installed MPC library])])
1353 if test "x$with_mpc" != x; then
1354 gmplibs="-L$with_mpc/lib $gmplibs"
1355 gmpinc="-I$with_mpc/include $gmpinc"
1357 if test "x$with_mpc_include" != x; then
1358 gmpinc="-I$with_mpc_include $gmpinc"
1360 if test "x$with_mpc_lib" != x; then
1361 gmplibs="-L$with_mpc_lib $gmplibs"
1363 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1364 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1365 gmpinc='-I$$s/mpc/src '"$gmpinc"
1366 # Do not test the mpc version. Assume that it is sufficient, since
1367 # it is in the source tree, and the library has not been built yet
1368 # but it would be included on the link line in the version check below
1369 # hence making the test fail.
1373 # Specify a location for mpfr
1374 # check for this first so it ends up on the link line before gmp.
1375 AC_ARG_WITH(mpfr-dir,
1376 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1377 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1378 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1381 [AS_HELP_STRING([--with-mpfr=PATH],
1382 [specify prefix directory for installed MPFR package.
1383 Equivalent to --with-mpfr-include=PATH/include
1384 plus --with-mpfr-lib=PATH/lib])])
1385 AC_ARG_WITH(mpfr-include,
1386 [AS_HELP_STRING([--with-mpfr-include=PATH],
1387 [specify directory for installed MPFR include files])])
1388 AC_ARG_WITH(mpfr-lib,
1389 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1390 [specify directory for the installed MPFR library])])
1392 if test "x$with_mpfr" != x; then
1393 gmplibs="-L$with_mpfr/lib $gmplibs"
1394 gmpinc="-I$with_mpfr/include $gmpinc"
1396 if test "x$with_mpfr_include" != x; then
1397 gmpinc="-I$with_mpfr_include $gmpinc"
1399 if test "x$with_mpfr_lib" != x; then
1400 gmplibs="-L$with_mpfr_lib $gmplibs"
1402 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1403 # MPFR v3.1.0 moved the sources into a src sub-directory.
1404 if test -d ${srcdir}/mpfr/src; then
1405 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1406 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1407 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1409 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1410 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1411 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1413 # Do not test the mpfr version. Assume that it is sufficient, since
1414 # it is in the source tree, and the library has not been built yet
1415 # but it would be included on the link line in the version check below
1416 # hence making the test fail.
1420 # Specify a location for gmp
1421 AC_ARG_WITH(gmp-dir,
1422 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1423 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1424 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1427 [AS_HELP_STRING([--with-gmp=PATH],
1428 [specify prefix directory for the installed GMP package.
1429 Equivalent to --with-gmp-include=PATH/include
1430 plus --with-gmp-lib=PATH/lib])])
1431 AC_ARG_WITH(gmp-include,
1432 [AS_HELP_STRING([--with-gmp-include=PATH],
1433 [specify directory for installed GMP include files])])
1434 AC_ARG_WITH(gmp-lib,
1435 [AS_HELP_STRING([--with-gmp-lib=PATH],
1436 [specify directory for the installed GMP library])])
1439 if test "x$with_gmp" != x; then
1440 gmplibs="-L$with_gmp/lib $gmplibs"
1441 gmpinc="-I$with_gmp/include $gmpinc"
1443 if test "x$with_gmp_include" != x; then
1444 gmpinc="-I$with_gmp_include $gmpinc"
1446 if test "x$with_gmp_lib" != x; then
1447 gmplibs="-L$with_gmp_lib $gmplibs"
1449 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1450 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1451 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1452 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1453 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1454 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1455 # Do not test the gmp version. Assume that it is sufficient, since
1456 # it is in the source tree, and the library has not been built yet
1457 # but it would be included on the link line in the version check below
1458 # hence making the test fail.
1462 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1464 saved_CFLAGS="$CFLAGS"
1465 CFLAGS="$CFLAGS $gmpinc"
1466 # Check for the recommended and required versions of GMP.
1467 AC_MSG_CHECKING([for the correct version of gmp.h])
1468 AC_TRY_COMPILE([#include "gmp.h"],[
1469 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1470 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1471 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1474 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1475 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1476 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1477 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1480 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1481 [AC_MSG_RESULT([no]); have_gmp=no])
1483 # If we have GMP, check the MPFR version.
1484 if test x"$have_gmp" = xyes; then
1485 # Check for the recommended and required versions of MPFR.
1486 AC_MSG_CHECKING([for the correct version of mpfr.h])
1487 AC_TRY_COMPILE([#include <gmp.h>
1488 #include <mpfr.h>],[
1489 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1492 ], [AC_TRY_COMPILE([#include <gmp.h>
1493 #include <mpfr.h>],[
1494 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1497 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1498 [AC_MSG_RESULT([no]); have_gmp=no])
1501 # Check for the MPC header version.
1502 if test x"$have_gmp" = xyes ; then
1503 # Check for the recommended and required versions of MPC.
1504 AC_MSG_CHECKING([for the correct version of mpc.h])
1505 AC_TRY_COMPILE([#include <mpc.h>],[
1506 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1509 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1510 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1513 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1514 [AC_MSG_RESULT([no]); have_gmp=no])
1517 # Now check the MPFR library.
1518 if test x"$have_gmp" = xyes; then
1520 LIBS="$LIBS $gmplibs"
1521 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1522 AC_TRY_LINK([#include <mpc.h>],[
1529 mpfr_atan2 (n, n, x, GMP_RNDN);
1530 mpfr_erfc (n, x, GMP_RNDN);
1531 mpfr_subnormalize (x, t, GMP_RNDN);
1535 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1536 mpc_cosh (c, c, MPC_RNDNN);
1537 mpc_pow (c, c, c, MPC_RNDNN);
1538 mpc_acosh (c, c, MPC_RNDNN);
1540 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1544 CFLAGS="$saved_CFLAGS"
1546 # The library versions listed in the error message below should match
1547 # the HARD-minimums enforced above.
1548 if test x$have_gmp != xyes; then
1549 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1550 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1551 their locations. Source code for these libraries can be found at
1552 their respective hosting sites as well as at
1553 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1554 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1555 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1556 make sure that you have installed both the libraries and the header
1557 files. They may be located in separate packages.])
1561 # Flags needed for both GMP, MPFR and/or MPC.
1564 AC_SUBST(extra_mpfr_configure_flags)
1565 AC_SUBST(extra_mpc_gmp_configure_flags)
1566 AC_SUBST(extra_mpc_mpfr_configure_flags)
1567 AC_SUBST(extra_isl_gmp_configure_flags)
1569 # Allow host libstdc++ to be specified for static linking with PPL.
1570 AC_ARG_WITH(host-libstdcxx,
1571 [AS_HELP_STRING([--with-host-libstdcxx=L],
1572 [use linker arguments L to link with libstdc++
1573 when linking with PPL])])
1575 case $with_host_libstdcxx in
1577 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1581 # Libraries to use for stage1 or when not bootstrapping.
1582 AC_ARG_WITH(stage1-libs,
1583 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1584 [if test "$withval" = "no" -o "$withval" = "yes"; then
1587 stage1_libs=$withval
1589 [stage1_libs=$with_host_libstdcxx])
1590 AC_SUBST(stage1_libs)
1592 # Linker flags to use for stage1 or when not bootstrapping.
1593 AC_ARG_WITH(stage1-ldflags,
1594 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1595 [if test "$withval" = "no" -o "$withval" = "yes"; then
1598 stage1_ldflags=$withval
1601 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1602 # if supported. But if the user explicitly specified the libraries to use,
1603 # trust that they are doing what they want.
1604 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1605 stage1_ldflags="-static-libstdc++ -static-libgcc"
1607 AC_SUBST(stage1_ldflags)
1609 # Libraries to use for stage2 and later builds. This defaults to the
1610 # argument passed to --with-host-libstdcxx.
1611 AC_ARG_WITH(boot-libs,
1612 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1613 [if test "$withval" = "no" -o "$withval" = "yes"; then
1616 poststage1_libs=$withval
1618 [poststage1_libs=$with_host_libstdcxx])
1619 AC_SUBST(poststage1_libs)
1621 # Linker flags to use for stage2 and later builds.
1622 AC_ARG_WITH(boot-ldflags,
1623 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1624 [linker flags for stage2 and later])],
1625 [if test "$withval" = "no" -o "$withval" = "yes"; then
1628 poststage1_ldflags=$withval
1630 [poststage1_ldflags=
1631 # In stages 2 and 3, default to linking libstdc++ and libgcc
1632 # statically. But if the user explicitly specified the libraries to
1633 # use, trust that they are doing what they want.
1634 if test "$poststage1_libs" = ""; then
1635 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1637 AC_SUBST(poststage1_ldflags)
1639 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1640 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1645 [--with-cloog=PATH],
1646 [Specify prefix directory for the installed CLooG-ISL package.
1647 Equivalent to --with-cloog-include=PATH/include
1648 plus --with-cloog-lib=PATH/lib])])
1652 [Specify prefix directory for the installed ISL package.
1653 Equivalent to --with-isl-include=PATH/include
1654 plus --with-isl-lib=PATH/lib])])
1656 # Treat either --without-cloog or --without-isl as a request to disable
1657 # GRAPHITE support and skip all following checks.
1658 if test "x$with_isl" != "xno" &&
1659 test "x$with_cloog" != "xno"; then
1661 dnl Provide configure switches and initialize islinc & isllibs
1662 dnl with user input.
1664 dnl The versions of ISL that work for Graphite
1665 ISL_CHECK_VERSION(0,10)
1666 if test "${gcc_cv_isl}" = no ; then
1667 ISL_CHECK_VERSION(0,11)
1669 dnl Only execute fail-action, if ISL has been requested.
1671 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1673 if test "x$gcc_cv_isl" != "xno"; then
1675 dnl Provide configure switches and initialize clooginc & clooglibs
1676 dnl with user input.
1678 dnl The versions of CLooG that work for Graphite.
1679 CLOOG_CHECK_VERSION(0,17,0)
1680 if test "${gcc_cv_cloog}" = no ; then
1681 CLOOG_CHECK_VERSION(0,18,0)
1684 dnl Only execute fail-action, if CLooG has been requested.
1686 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1690 # If either the ISL or the CLooG check failed, disable builds of in-tree
1692 if test "x$with_isl" = xno ||
1693 test "x$with_cloog" = xno ||
1694 test "x$gcc_cv_cloog" = xno ||
1695 test "x$gcc_cv_isl" = xno; then
1696 noconfigdirs="$noconfigdirs cloog isl"
1707 # Check for LTO support.
1709 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1710 enable_lto=$enableval,
1711 enable_lto=yes; default_enable_lto=yes)
1713 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1714 build_lto_plugin=yes
1715 ],[if test x"$default_enable_lto" = x"yes" ; then
1717 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1718 # On other non-ELF platforms, LTO has yet to be validated.
1722 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1723 # It would also be nice to check the binutils support, but we don't
1724 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1725 # warn during gcc/ subconfigure; unless you're bootstrapping with
1726 # -flto it won't be needed until after installation anyway.
1728 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1729 *) if test x"$enable_lto" = x"yes"; then
1730 AC_MSG_ERROR([LTO support is not enabled for this target.])
1735 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1736 # Build it unless LTO was explicitly disabled.
1738 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1744 # By default, C and C++ are the only stage 1 languages.
1745 stage1_languages=,c,
1747 # Target libraries that we bootstrap.
1748 bootstrap_target_libs=,target-libgcc,
1750 # Figure out what language subdirectories are present.
1751 # Look if the user specified --enable-languages="..."; if not, use
1752 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1754 # NB: embedded tabs in this IF block -- do not untabify
1755 if test -d ${srcdir}/gcc; then
1756 if test x"${enable_languages+set}" != xset; then
1757 if test x"${LANGUAGES+set}" = xset; then
1758 enable_languages="${LANGUAGES}"
1759 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1761 enable_languages=all
1764 if test x"${enable_languages}" = x ||
1765 test x"${enable_languages}" = xyes;
1767 echo configure.in: --enable-languages needs at least one language argument 1>&2
1771 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1773 # 'f95' is the old name for the 'fortran' language. We issue a warning
1774 # and make the substitution.
1775 case ,${enable_languages}, in
1777 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1778 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1782 # If bootstrapping, C++ must be enabled.
1783 case ",$enable_languages,:$enable_bootstrap" in
1786 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1787 enable_languages="${enable_languages},c++"
1789 AC_MSG_ERROR([bootstrapping requires c++ sources])
1794 # First scan to see if an enabled language requires some other language.
1795 # We assume that a given config-lang.in will list all the language
1796 # front ends it requires, even if some are required indirectly.
1797 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1798 case ${lang_frag} in
1800 # The odd quoting in the next line works around
1801 # an apparent bug in bash 1.12 on linux.
1802 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1804 # From the config-lang.in, get $language, $lang_requires, and
1805 # $lang_requires_boot_languages.
1808 lang_requires_boot_languages=
1810 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1811 case ,${enable_languages}, in
1815 echo " \`$other' language required by \`$language'; enabling" 1>&2
1816 enable_languages="${enable_languages},${other}"
1820 for other in ${lang_requires_boot_languages} ; do
1821 if test "$other" != "c"; then
1822 case ,${enable_stage1_languages}, in
1826 case ,${enable_languages}, in
1828 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1829 enable_stage1_languages="$enable_stage1_languages,${other}"
1840 new_enable_languages=,c,
1842 # If LTO is enabled, add the LTO front end.
1843 extra_host_libiberty_configure_flags=
1844 if test "$enable_lto" = "yes" ; then
1845 case ,${enable_languages}, in
1847 *) enable_languages="${enable_languages},lto" ;;
1849 if test "${build_lto_plugin}" = "yes" ; then
1850 configdirs="$configdirs lto-plugin"
1851 extra_host_libiberty_configure_flags=--enable-shared
1854 AC_SUBST(extra_host_libiberty_configure_flags)
1856 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1857 potential_languages=,c,
1859 enabled_target_libs=
1860 disabled_target_libs=
1862 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1863 case ${lang_frag} in
1865 # The odd quoting in the next line works around
1866 # an apparent bug in bash 1.12 on linux.
1867 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1869 # From the config-lang.in, get $language, $target_libs,
1870 # $lang_dirs, $boot_language, and $build_by_default
1876 build_by_default=yes
1878 if test x${language} = x; then
1879 echo "${lang_frag} doesn't set \$language." 1>&2
1883 if test "$language" = "c++"; then
1888 case ,${enable_languages}, in
1890 # Language was explicitly selected; include it
1891 # unless it is C, which is enabled by default.
1892 if test "$language" != "c"; then
1897 # 'all' was selected, select it if it is a default language
1898 if test "$language" != "c"; then
1899 add_this_lang=${build_by_default}
1904 # Disable languages that need other directories if these aren't available.
1905 for i in $subdir_requires; do
1906 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1907 case ,${enable_languages}, in
1909 # Specifically requested language; tell them.
1910 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1914 add_this_lang=unsupported
1919 # Disable Ada if no preexisting GNAT is available.
1920 case ,${enable_languages},:${language}:${have_gnat} in
1921 *,${language},*:ada:no)
1922 # Specifically requested language; tell them.
1923 AC_MSG_ERROR([GNAT is required to build $language])
1927 add_this_lang=unsupported
1931 # Disable a language that is unsupported by the target.
1932 case " $unsupported_languages " in
1934 add_this_lang=unsupported
1938 case $add_this_lang in
1940 # Remove language-dependent dirs.
1941 disabled_target_libs="$disabled_target_libs $target_libs"
1942 noconfigdirs="$noconfigdirs $lang_dirs"
1945 # Remove language-dependent dirs; still show language as supported.
1946 disabled_target_libs="$disabled_target_libs $target_libs"
1947 noconfigdirs="$noconfigdirs $lang_dirs"
1948 potential_languages="${potential_languages}${language},"
1951 new_enable_languages="${new_enable_languages}${language},"
1952 potential_languages="${potential_languages}${language},"
1953 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1954 enabled_target_libs="$enabled_target_libs $target_libs"
1955 case "${boot_language}:,$enable_stage1_languages," in
1956 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1957 # Add to (comma-separated) list of stage 1 languages.
1958 case ",$stage1_languages," in
1959 *,$language,* | ,yes, | ,all,) ;;
1960 *) stage1_languages="${stage1_languages}${language}," ;;
1962 # We need to bootstrap any supporting libraries.
1963 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1972 # Add target libraries which are only needed for disabled languages
1974 if test -n "$disabled_target_libs"; then
1975 for dir in $disabled_target_libs; do
1976 case " $enabled_target_libs " in
1978 *) noconfigdirs="$noconfigdirs $dir" ;;
1983 AC_ARG_ENABLE(stage1-languages,
1984 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1985 [choose additional languages to build during
1986 stage1. Mostly useful for compiler development])],
1987 [case ,${enable_stage1_languages}, in
1989 # Set it to something that will have no effect in the loop below
1990 enable_stage1_languages=c ;;
1992 enable_stage1_languages=`echo $new_enable_languages | \
1993 sed -e "s/^,//" -e "s/,$//" ` ;;
1995 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1996 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1999 # Add "good" languages from enable_stage1_languages to stage1_languages,
2000 # while "bad" languages go in missing_languages. Leave no duplicates.
2001 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2002 case $potential_languages in
2004 case $stage1_languages in
2006 *) stage1_languages="$stage1_languages$i," ;;
2009 case $missing_languages in
2011 *) missing_languages="$missing_languages$i," ;;
2016 # Remove leading/trailing commas that were added for simplicity
2017 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2018 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2019 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2020 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2022 if test "x$missing_languages" != x; then
2024 The following requested languages could not be built: ${missing_languages}
2025 Supported languages are: ${potential_languages}])
2027 if test "x$new_enable_languages" != "x$enable_languages"; then
2028 echo The following languages will be built: ${new_enable_languages}
2029 enable_languages="$new_enable_languages"
2032 AC_SUBST(stage1_languages)
2033 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2036 # Handle --disable-<component> generically.
2037 for dir in $configdirs $build_configdirs $target_configdirs ; do
2038 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2039 varname=`echo $dirname | sed -e s/+/_/g`
2040 if eval test x\${enable_${varname}} "=" xno ; then
2041 noconfigdirs="$noconfigdirs $dir"
2045 # Check for Boehm's garbage collector
2046 AC_ARG_ENABLE(objc-gc,
2047 [AS_HELP_STRING([--enable-objc-gc],
2048 [enable use of Boehm's garbage collector with the
2049 GNU Objective-C runtime])],
2050 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2051 *,objc,*:*:yes:*target-boehm-gc*)
2052 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2056 # Make sure we only build Boehm's garbage collector if required.
2057 case ,${enable_languages},:${enable_objc_gc} in
2059 # Keep target-boehm-gc if requested for Objective-C.
2062 # Otherwise remove target-boehm-gc depending on target-libjava.
2063 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2064 noconfigdirs="$noconfigdirs target-boehm-gc"
2069 AC_ARG_WITH([upc-pts],
2071 [[--with-upc-pts=[{struct,packed}]]],
2072 [choose the representation of a UPC pointer-to-shared]),
2074 case ,${enable_languages}, in
2081 AC_MSG_ERROR([$withval is an invalid option to --with-upc-pts])
2086 AC_MSG_ERROR([--with-upc-pts supplied, but UPC language not enabled])
2091 # Disable libitm, libsanitizer, libvtv if we're not building C++
2092 case ,${enable_languages}, in
2095 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer target-libvtv"
2099 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2100 # $build_configdirs and $target_configdirs.
2101 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2104 for dir in . $skipdirs $noconfigdirs ; do
2105 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2106 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2107 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2108 if test -r $srcdir/$dirname/configure ; then
2109 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2112 notsupp="$notsupp $dir"
2116 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2117 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2118 if test -r $srcdir/$dirname/configure ; then
2119 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2122 notsupp="$notsupp $dir"
2126 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2127 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2128 if test -r $srcdir/$dirname/configure ; then
2129 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2132 notsupp="$notsupp $dir"
2138 # Quietly strip out all directories which aren't configurable in this tree.
2139 # This relies on all configurable subdirectories being autoconfiscated, which
2141 build_configdirs_all="$build_configdirs"
2143 for i in ${build_configdirs_all} ; do
2144 j=`echo $i | sed -e s/build-//g`
2145 if test -f ${srcdir}/$j/configure ; then
2146 build_configdirs="${build_configdirs} $i"
2150 configdirs_all="$configdirs"
2152 for i in ${configdirs_all} ; do
2153 if test -f ${srcdir}/$i/configure ; then
2154 configdirs="${configdirs} $i"
2158 target_configdirs_all="$target_configdirs"
2160 for i in ${target_configdirs_all} ; do
2161 j=`echo $i | sed -e s/target-//g`
2162 if test -f ${srcdir}/$j/configure ; then
2163 target_configdirs="${target_configdirs} $i"
2167 # Produce a warning message for the subdirs we can't configure.
2168 # This isn't especially interesting in the Cygnus tree, but in the individual
2169 # FSF releases, it's important to let people know when their machine isn't
2170 # supported by the one or two programs in a package.
2172 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2173 # If $appdirs is non-empty, at least one of those directories must still
2174 # be configured, or we error out. (E.g., if the gas release supports a
2175 # specified target in some subdirs but not the gas subdir, we shouldn't
2176 # pretend that all is well.)
2177 if test -n "$appdirs" ; then
2178 for dir in $appdirs ; do
2179 if test -r $dir/Makefile.in ; then
2180 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2184 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2190 if test -n "$appdirs" ; then
2191 echo "*** This configuration is not supported by this package." 1>&2
2195 # Okay, some application will build, or we don't care to check. Still
2196 # notify of subdirs not getting built.
2197 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2198 echo " ${notsupp}" 1>&2
2199 echo " (Any other directories should still work fine.)" 1>&2
2207 # To find our prefix, in gcc_cv_tool_prefix.
2212 AC_ARG_WITH([build-sysroot],
2213 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2214 [use sysroot as the system root during the build])],
2215 [if test x"$withval" != x ; then
2216 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2218 [SYSROOT_CFLAGS_FOR_TARGET=])
2219 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2221 AC_ARG_WITH([debug-prefix-map],
2222 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2223 [map A to B, C to D ... in debug information])],
2224 [if test x"$withval" != x; then
2225 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2226 for debug_map in $withval; do
2227 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2230 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2231 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2233 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2234 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2235 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2236 # We want to ensure that TARGET libraries (which we know are built with
2237 # gcc) are built with "-O2 -g", so include those options when setting
2238 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2239 if test "x$CFLAGS_FOR_TARGET" = x; then
2240 CFLAGS_FOR_TARGET=$CFLAGS
2243 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2246 *" -g "* | *" -g3 "*) ;;
2247 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2250 AC_SUBST(CFLAGS_FOR_TARGET)
2252 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2253 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2254 case " $CXXFLAGS " in
2256 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2258 case " $CXXFLAGS " in
2259 *" -g "* | *" -g3 "*) ;;
2260 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2263 AC_SUBST(CXXFLAGS_FOR_TARGET)
2265 AC_SUBST(LDFLAGS_FOR_TARGET)
2267 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2268 # the named directory are copied to $(tooldir)/sys-include.
2269 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2270 if test x${is_cross_compiler} = xno ; then
2271 echo 1>&2 '***' --with-headers is only supported when cross compiling
2274 if test x"${with_headers}" != xyes ; then
2275 x=${gcc_cv_tool_prefix}
2276 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2280 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2281 # the name directories are copied to $(tooldir)/lib. Multiple directories
2283 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2284 if test x${is_cross_compiler} = xno ; then
2285 echo 1>&2 '***' --with-libs is only supported when cross compiling
2288 if test x"${with_libs}" != xyes ; then
2289 # Copy the libraries in reverse order, so that files in the first named
2290 # library override files in subsequent libraries.
2291 x=${gcc_cv_tool_prefix}
2292 for l in ${with_libs}; do
2293 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2298 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2300 # This is done by determining whether or not the appropriate directory
2301 # is available, and by checking whether or not specific configurations
2302 # have requested that this magic not happen.
2304 # The command line options always override the explicit settings in
2305 # configure.in, and the settings in configure.in override this magic.
2307 # If the default for a toolchain is to use GNU as and ld, and you don't
2308 # want to do that, then you should use the --without-gnu-as and
2309 # --without-gnu-ld options for the configure script. Similarly, if
2310 # the default is to use the included zlib and you don't want to do that,
2311 # you should use the --with-system-zlib option for the configure script.
2313 if test x${use_gnu_as} = x &&
2314 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2316 extra_host_args="$extra_host_args --with-gnu-as"
2319 if test x${use_gnu_ld} = x &&
2320 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2322 extra_host_args="$extra_host_args --with-gnu-ld"
2325 if test x${use_included_zlib} = x &&
2326 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2329 with_system_zlib=yes
2330 extra_host_args="$extra_host_args --with-system-zlib"
2333 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2334 # can detect this case.
2336 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2338 extra_host_args="$extra_host_args --with-newlib"
2341 # Handle ${copy_dirs}
2342 set fnord ${copy_dirs}
2344 while test $# != 0 ; do
2345 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2348 echo Copying $1 to $2
2350 # Use the install script to create the directory and all required
2351 # parent directories.
2352 if test -d $2 ; then
2356 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2359 # Copy the directory, assuming we have tar.
2360 # FIXME: Should we use B in the second tar? Not all systems support it.
2361 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2363 # It is the responsibility of the user to correctly adjust all
2364 # symlinks. If somebody can figure out how to handle them correctly
2365 # here, feel free to add the code.
2372 # Determine a target-dependent exec_prefix that the installed
2373 # gcc will search in. Keep this list sorted by triplet, with
2374 # the *-*-osname triplets last.
2377 i[[34567]]86-pc-msdosdjgpp*)
2378 md_exec_prefix=/dev/env/DJDIR/bin
2383 md_exec_prefix=/usr/ccs/bin
2387 extra_arflags_for_target=
2388 extra_nmflags_for_target=
2389 extra_ranlibflags_for_target=
2390 target_makefile_frag=/dev/null
2393 target_makefile_frag="config/mt-spu"
2395 mips*-sde-elf* | mips*-mti-elf*)
2396 target_makefile_frag="config/mt-sde"
2398 mipsisa*-*-elfoabi*)
2399 target_makefile_frag="config/mt-mips-elfoabi"
2401 mips*-*-*linux* | mips*-*-gnu*)
2402 target_makefile_frag="config/mt-mips-gnu"
2404 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2405 target_makefile_frag="config/mt-gnu"
2407 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2408 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2409 # commands to handle both 32-bit and 64-bit objects. These flags are
2410 # harmless if we're using GNU nm or ar.
2411 extra_arflags_for_target=" -X32_64"
2412 extra_nmflags_for_target=" -B -X32_64"
2416 alphaieee_frag=/dev/null
2419 # This just makes sure to use the -mieee option to build target libs.
2420 # This should probably be set individually by each library.
2421 alphaieee_frag="config/mt-alphaieee"
2425 # If --enable-target-optspace always use -Os instead of -O2 to build
2426 # the target libraries, similarly if it is not specified, use -Os
2427 # on selected platforms.
2428 ospace_frag=/dev/null
2429 case "${enable_target_optspace}:${target}" in
2431 ospace_frag="config/mt-ospace"
2434 ospace_frag="config/mt-d30v"
2436 :m32r-* | :d10v-* | :fr30-*)
2437 ospace_frag="config/mt-ospace"
2442 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2446 # Some systems (e.g., one of the i386-aix systems the gas testers are
2447 # using) don't handle "\$" correctly, so don't use it here.
2448 tooldir='${exec_prefix}'/${target_noncanonical}
2449 build_tooldir=${tooldir}
2451 # Create a .gdbinit file which runs the one in srcdir
2452 # and tells GDB to look there for source files.
2454 if test -r ${srcdir}/.gdbinit ; then
2457 *) cat > ./.gdbinit <<EOF
2461 source ${srcdir}/.gdbinit
2467 # Make sure that the compiler is able to generate an executable. If it
2468 # can't, we are probably in trouble. We don't care whether we can run the
2469 # executable--we might be using a cross compiler--we only care whether it
2470 # can be created. At this point the main configure script has set CC.
2472 echo "int main () { return 0; }" > conftest.c
2473 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2474 if test $? = 0 ; then
2475 if test -s conftest || test -s conftest.exe ; then
2481 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2482 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2489 # Decide which environment variable is used to find dynamic libraries.
2491 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2492 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2493 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2494 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2497 # On systems where the dynamic library environment variable is PATH,
2498 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2499 # built executables to PATH.
2500 if test "$RPATH_ENVVAR" = PATH; then
2501 GCC_SHLIB_SUBDIR=/shlib
2506 # Record target_configdirs and the configure arguments for target and
2507 # build configuration in Makefile.
2508 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2509 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2511 # If we are building libgomp, bootstrap it.
2512 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2513 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2516 # If we are building libsanitizer, bootstrap it.
2517 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then
2518 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2521 # If we are building libvtv, bootstrap it.
2522 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 ; then
2523 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2526 # Determine whether gdb needs tk/tcl or not.
2527 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2528 # and in that case we want gdb to be built without tk. Ugh!
2529 # In fact I believe gdb is the *only* package directly dependent on tk,
2530 # so we should be able to put the 'maybe's in unconditionally and
2531 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2532 # 100% sure that that's safe though.
2534 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2535 case "$enable_gdbtk" in
2539 GDB_TK="${gdb_tk}" ;;
2541 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2542 # distro. Eventually someone will fix this and move Insight, nee
2543 # gdbtk to a separate directory.
2544 if test -d ${srcdir}/gdb/gdbtk ; then
2551 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2552 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2554 # Strip out unwanted targets.
2556 # While at that, we remove Makefiles if we were started for recursive
2557 # configuration, so that the top-level Makefile reconfigures them,
2558 # like we used to do when configure itself was recursive.
2560 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2561 # but now we're fixing up the Makefile ourselves with the additional
2562 # commands passed to AC_CONFIG_FILES. Use separate variables
2563 # extrasub-{build,host,target} not because there is any reason to split
2564 # the substitutions up that way, but only to remain below the limit of
2565 # 99 commands in a script, for HP-UX sed.
2566 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2568 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2569 yes:yes:*\ gold\ *:*,c++,*) ;;
2570 yes:yes:*\ gold\ *:*)
2571 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2575 # Adjust the toplevel makefile according to whether bootstrap was selected.
2576 case $enable_bootstrap in
2578 bootstrap_suffix=bootstrap
2579 BUILD_CONFIG=bootstrap-debug
2582 bootstrap_suffix=no-bootstrap
2587 AC_MSG_CHECKING(for default BUILD_CONFIG)
2589 AC_ARG_WITH([build-config],
2590 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2591 [use config/NAME.mk build configuration])],
2592 [case $with_build_config in
2593 yes) with_build_config= ;;
2594 no) with_build_config= BUILD_CONFIG= ;;
2597 if test "x${with_build_config}" != x; then
2598 BUILD_CONFIG=$with_build_config
2600 case $BUILD_CONFIG in
2602 if echo "int f (void) { return 0; }" > conftest.c &&
2603 ${CC} -c conftest.c &&
2604 mv conftest.o conftest.o.g0 &&
2605 ${CC} -c -g conftest.c &&
2606 mv conftest.o conftest.o.g &&
2607 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2612 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2616 AC_MSG_RESULT($BUILD_CONFIG)
2617 AC_SUBST(BUILD_CONFIG)
2620 for module in ${build_configdirs} ; do
2621 if test -z "${no_recursion}" \
2622 && test -f ${build_subdir}/${module}/Makefile; then
2623 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2624 rm -f ${build_subdir}/${module}/Makefile
2626 extrasub_build="$extrasub_build
2627 /^@if build-$module\$/d
2628 /^@endif build-$module\$/d
2629 /^@if build-$module-$bootstrap_suffix\$/d
2630 /^@endif build-$module-$bootstrap_suffix\$/d"
2633 for module in ${configdirs} ; do
2634 if test -z "${no_recursion}"; then
2635 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2636 if test -f ${file}; then
2637 echo 1>&2 "*** removing ${file} to force reconfigure"
2642 extrasub_host="$extrasub_host
2644 /^@endif $module\$/d
2645 /^@if $module-$bootstrap_suffix\$/d
2646 /^@endif $module-$bootstrap_suffix\$/d"
2649 for module in ${target_configdirs} ; do
2650 if test -z "${no_recursion}" \
2651 && test -f ${target_subdir}/${module}/Makefile; then
2652 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2653 rm -f ${target_subdir}/${module}/Makefile
2656 # We only bootstrap target libraries listed in bootstrap_target_libs.
2657 case $bootstrap_target_libs in
2658 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2659 *) target_bootstrap_suffix=no-bootstrap ;;
2662 extrasub_target="$extrasub_target
2663 /^@if target-$module\$/d
2664 /^@endif target-$module\$/d
2665 /^@if target-$module-$target_bootstrap_suffix\$/d
2666 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2669 # Do the final fixup along with target modules.
2670 extrasub_target="$extrasub_target
2671 /^@if /,/^@endif /d"
2673 # Create the serialization dependencies. This uses a temporary file.
2675 AC_ARG_ENABLE([serial-configure],
2676 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2677 [force sequential configuration of
2678 sub-packages for the host, target or build
2679 machine, or all sub-packages])])
2681 case ${enable_serial_configure} in
2683 enable_serial_build_configure=yes
2684 enable_serial_host_configure=yes
2685 enable_serial_target_configure=yes
2689 # These force 'configure's to be done one at a time, to avoid problems
2690 # with contention over a shared config.cache.
2692 echo '# serdep.tmp' > serdep.tmp
2694 test "x${enable_serial_build_configure}" = xyes &&
2695 for item in ${build_configdirs} ; do
2698 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2703 test "x${enable_serial_host_configure}" = xyes &&
2704 for item in ${configdirs} ; do
2707 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2712 test "x${enable_serial_target_configure}" = xyes &&
2713 for item in ${target_configdirs} ; do
2716 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2720 serialization_dependencies=serdep.tmp
2721 AC_SUBST_FILE(serialization_dependencies)
2723 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2724 # target, nonopt, and variable assignments. These are the ones we
2725 # might not want to pass down to subconfigures. The exception being
2726 # --cache-file=/dev/null, which is used to turn off the use of cache
2727 # files altogether, and which should be passed on to subconfigures.
2728 # Also strip program-prefix, program-suffix, and program-transform-name,
2729 # so that we can pass down a consistent program-transform-name.
2734 eval "set -- $ac_configure_args"
2737 if test X"$skip_next" = X"yes"; then
2741 if test X"$keep_next" = X"yes"; then
2744 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2746 baseargs="$baseargs '$ac_arg'"
2747 tbaseargs="$tbaseargs '$ac_arg'"
2752 # Handle separated arguments. Based on the logic generated by
2755 *=* | --config-cache | -C | -disable-* | --disable-* \
2756 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2757 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2758 | -with-* | --with-* | -without-* | --without-* | --x)
2772 --with-* | --without-*)
2773 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2777 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2780 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2789 mpc | mpfr | gmp | cloog)
2790 # If we're processing --with-$lib, --with-$lib-include or
2791 # --with-$lib-lib, for one of the libs above, and target is
2792 # different from host, don't pass the current argument to any
2793 # target library's configure.
2794 if test x$is_cross_compiler = xyes; then
2803 --cache-file=/dev/null | \
2804 -cache-file=/dev/null )
2805 # Handled here to avoid the test to skip args below.
2806 baseargs="$baseargs '$ac_arg'"
2807 tbaseargs="$tbaseargs '$ac_arg'"
2808 # Assert: $separate_arg should always be no.
2809 keep_next=$separate_arg
2825 -program-prefix* | \
2826 -program-suffix* | \
2827 -program-transform-name* )
2828 skip_next=$separate_arg
2832 # An option. Add it.
2835 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2837 baseargs="$baseargs '$ac_arg'"
2838 if test X"$skip_targ" = Xno; then
2839 tbaseargs="$tbaseargs '$ac_arg'"
2841 keep_next=$separate_arg
2844 # Either a variable assignment, or a nonopt (triplet). Don't
2845 # pass it down; let the Makefile handle this.
2850 # Remove the initial space we just introduced and, as these will be
2851 # expanded by make, quote '$'.
2852 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2854 # Add in --program-transform-name, after --program-prefix and
2855 # --program-suffix have been applied to it. Autoconf has already
2856 # doubled dollar signs and backslashes in program_transform_name; we want
2857 # the backslashes un-doubled, and then the entire thing wrapped in single
2858 # quotes, because this will be expanded first by make and then by the shell.
2859 # Also, because we want to override the logic in subdir configure scripts to
2860 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2861 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2862 ${program_transform_name}
2864 gcc_transform_name=`cat conftestsed.out`
2865 rm -f conftestsed.out
2866 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2867 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2868 if test "$silent" = yes; then
2869 baseargs="$baseargs --silent"
2870 tbaseargs="$tbaseargs --silent"
2872 baseargs="$baseargs --disable-option-checking"
2873 tbaseargs="$tbaseargs --disable-option-checking"
2875 # Record and document user additions to sub configure arguments.
2876 AC_ARG_VAR([build_configargs],
2877 [additional configure arguments for build directories])
2878 AC_ARG_VAR([host_configargs],
2879 [additional configure arguments for host directories])
2880 AC_ARG_VAR([target_configargs],
2881 [additional configure arguments for target directories])
2883 # For the build-side libraries, we just need to pretend we're native,
2884 # and not use the same cache file. Multilibs are neither needed nor
2886 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2888 # For host modules, accept cache file option, or specification as blank.
2889 case "${cache_file}" in
2891 cache_file_option="" ;;
2892 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2893 cache_file_option="--cache-file=${cache_file}" ;;
2895 cache_file_option="--cache-file=../${cache_file}" ;;
2898 # Host dirs don't like to share a cache file either, horribly enough.
2899 # This seems to be due to autoconf 2.5x stupidity.
2900 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2902 target_configargs="$target_configargs ${tbaseargs}"
2904 # Passing a --with-cross-host argument lets the target libraries know
2905 # whether they are being built with a cross-compiler or being built
2906 # native. However, it would be better to use other mechanisms to make the
2907 # sorts of decisions they want to make on this basis. Please consider
2908 # this option to be deprecated. FIXME.
2909 if test x${is_cross_compiler} = xyes ; then
2910 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2913 # Default to --enable-multilib.
2914 if test x${enable_multilib} = x ; then
2915 target_configargs="--enable-multilib ${target_configargs}"
2918 # Pass --with-newlib if appropriate. Note that target_configdirs has
2919 # changed from the earlier setting of with_newlib.
2920 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2921 target_configargs="--with-newlib ${target_configargs}"
2924 # Different target subdirs use different values of certain variables
2925 # (notably CXX). Worse, multilibs use *lots* of different values.
2926 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2927 # it doesn't automatically accept command-line overrides of them.
2928 # This means it's not safe for target subdirs to share a cache file,
2929 # which is disgusting, but there you have it. Hopefully this can be
2930 # fixed in future. It's still worthwhile to use a cache file for each
2931 # directory. I think.
2933 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2934 # We need to pass --target, as newer autoconf's requires consistency
2935 # for target_alias and gcc doesn't manage it consistently.
2936 target_configargs="--cache-file=./config.cache ${target_configargs}"
2939 case " $target_configdirs " in
2941 case " $target_configargs " in
2942 *" --with-newlib "*)
2945 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
2949 # If we're not building GCC, don't discard standard headers.
2950 if test -d ${srcdir}/gcc; then
2951 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2953 if test "${build}" != "${host}"; then
2954 # On Canadian crosses, CC_FOR_TARGET will have already been set
2955 # by `configure', so we won't have an opportunity to add -Bgcc/
2956 # to it. This is right: we don't want to search that directory
2957 # for binaries, but we want the header files in there, so add
2959 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2961 # Someone might think of using the pre-installed headers on
2962 # Canadian crosses, in case the installed compiler is not fully
2963 # compatible with the compiler being built. In this case, it
2964 # would be better to flag an error than risking having
2965 # incompatible object files being constructed. We can't
2966 # guarantee that an error will be flagged, but let's hope the
2967 # compiler will do it, when presented with incompatible header
2972 case "${target}-${is_cross_compiler}" in
2973 i[[3456789]]86-*-linux*-no)
2974 # Here host == target, so we don't need to build gcc,
2975 # so we don't want to discard standard headers.
2976 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2979 # If we're building newlib, use its generic headers last, but search
2980 # for any libc-related directories first (so make it the last -B
2982 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2984 # If we're building libgloss, find the startup file, simulator library
2985 # and linker script.
2986 case " $target_configdirs " in
2988 # Look for startup file, simulator library and maybe linker script.
2989 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2990 # Look for libnosys.a in case the target needs it.
2991 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2992 # Most targets have the linker script in the source directory.
2993 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3004 x86_64-*mingw* | *-w64-mingw*)
3005 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3006 # however, use a symlink named 'mingw' in ${prefix} .
3007 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3010 # MinGW can't be handled as Cygwin above since it does not use newlib.
3011 FLAGS_FOR_TARGET=$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'
3015 # Allow the user to override the flags for
3016 # our build compiler if desired.
3017 if test x"${build}" = x"${host}" ; then
3018 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3019 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3020 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3023 # On Canadian crosses, we'll be searching the right directories for
3024 # the previously-installed cross compiler, so don't bother to add
3025 # flags for directories within the install tree of the compiler
3026 # being built; programs in there won't even run.
3027 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3028 # Search for pre-installed headers if nothing else fits.
3029 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3032 if test "x${use_gnu_ld}" = x &&
3033 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3034 # Arrange for us to find uninstalled linker scripts.
3035 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3038 # Search for other target-specific linker scripts and such.
3041 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3045 # UPC linker script check
3046 AC_MSG_CHECKING([for UPC link script support])
3047 AC_ARG_ENABLE(upc-link-script,
3049 [--enable-upc-link-script],
3050 [enable UPC's use of a custom linker script;
3051 this will define the UPC shared section as a no load section on
3052 targets where this feature is supported (requires GNU LD)]),
3057 AC_MSG_ERROR([--enable-upc-link-script accepts only yes or no.])
3062 if test x${use_gnu_ld} != xno ; then
3064 # disable linker script for Apple Mac OS X
3066 enable_upc_link_script=no
3069 enable_upc_link_script=yes
3073 enable_upc_link_script=no
3075 if test "$enable_upc_link_script" = yes; then
3076 target_configargs="${target_configargs} --enable-upc-link-script"
3077 host_configargs="${host_configargs} --enable-upc-link-script"
3080 if test "$enable_upc_link_script" = yes; then
3081 AC_MSG_RESULT([yes]);
3083 AC_MSG_RESULT([no]);
3087 # Makefile fragments.
3088 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3090 eval fragval=\$$frag
3091 if test $fragval != /dev/null; then
3092 eval $frag=${srcdir}/$fragval
3095 AC_SUBST_FILE(host_makefile_frag)
3096 AC_SUBST_FILE(target_makefile_frag)
3097 AC_SUBST_FILE(alphaieee_frag)
3098 AC_SUBST_FILE(ospace_frag)
3100 # Miscellanea: directories, flags, etc.
3101 AC_SUBST(RPATH_ENVVAR)
3102 AC_SUBST(GCC_SHLIB_SUBDIR)
3104 AC_SUBST(build_tooldir)
3105 AC_SUBST(CONFIGURE_GDB_TK)
3107 AC_SUBST(INSTALL_GDB_TK)
3109 # Build module lists & subconfigure args.
3110 AC_SUBST(build_configargs)
3111 AC_SUBST(build_configdirs)
3113 # Host module lists & subconfigure args.
3114 AC_SUBST(host_configargs)
3115 AC_SUBST(configdirs)
3116 AC_SUBST(target_configdirs)
3118 # Target module lists & subconfigure args.
3119 AC_SUBST(target_configargs)
3123 AC_SUBST(AR_FOR_BUILD)
3124 AC_SUBST(AS_FOR_BUILD)
3125 AC_SUBST(CC_FOR_BUILD)
3126 AC_SUBST(CFLAGS_FOR_BUILD)
3127 AC_SUBST(CXXFLAGS_FOR_BUILD)
3128 AC_SUBST(CXX_FOR_BUILD)
3129 AC_SUBST(DLLTOOL_FOR_BUILD)
3130 AC_SUBST(GCJ_FOR_BUILD)
3131 AC_SUBST(GFORTRAN_FOR_BUILD)
3132 AC_SUBST(GOC_FOR_BUILD)
3133 AC_SUBST(GUPC_FOR_BUILD)
3134 AC_SUBST(LDFLAGS_FOR_BUILD)
3135 AC_SUBST(LD_FOR_BUILD)
3136 AC_SUBST(NM_FOR_BUILD)
3137 AC_SUBST(RANLIB_FOR_BUILD)
3138 AC_SUBST(WINDMC_FOR_BUILD)
3139 AC_SUBST(WINDRES_FOR_BUILD)
3141 # Generate default definitions for YACC, M4, LEX and other programs that run
3142 # on the build machine. These are used if the Makefile can't locate these
3143 # programs in objdir.
3144 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3146 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3147 case " $build_configdirs " in
3148 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3151 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3152 case " $build_configdirs " in
3153 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3156 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3157 case " $build_configdirs " in
3158 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3161 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3162 case " $build_configdirs " in
3163 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3164 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3167 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3168 case " $build_configdirs " in
3169 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3172 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3173 case " $build_configdirs " in
3174 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3177 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3178 # higher, else we use the "missing" dummy.
3179 if ${MAKEINFO} --version \
3180 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3183 MAKEINFO="$MISSING makeinfo"
3189 # FIXME: expect and dejagnu may become build tools?
3191 AC_CHECK_PROGS(EXPECT, expect, expect)
3192 case " $configdirs " in
3194 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3198 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3199 case " $configdirs " in
3201 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3207 NCN_STRICT_CHECK_TOOLS(AR, ar)
3208 NCN_STRICT_CHECK_TOOLS(AS, as)
3209 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3210 NCN_STRICT_CHECK_TOOLS(LD, ld)
3211 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3212 NCN_STRICT_CHECK_TOOLS(NM, nm)
3213 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3214 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3215 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3216 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3217 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3218 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3219 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3226 AC_ARG_WITH([build-time-tools],
3227 [AS_HELP_STRING([--with-build-time-tools=PATH],
3228 [use given path to find target tools during the build])],
3229 [case x"$withval" in
3232 with_build_time_tools=
3233 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3236 [with_build_time_tools=])
3238 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3239 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3240 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3241 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3242 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3243 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3244 NCN_STRICT_CHECK_TARGET_TOOLS(GUPC_FOR_TARGET, gupc)
3246 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3247 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3248 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3249 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3250 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3251 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3252 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3253 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3254 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3255 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3256 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3257 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3259 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3261 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3262 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3263 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3264 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3265 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3266 [gcc/xg++ -B$$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 -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3268 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3269 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3271 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3272 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3273 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3274 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3275 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3276 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3277 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3278 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3279 GCC_TARGET_TOOL(gupc, GUPC_FOR_TARGET, GUPC,
3280 [gcc/gupc -B$$r/$(HOST_SUBDIR)/gcc/], upc)
3281 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3282 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3283 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3284 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3285 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3286 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3287 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3288 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3289 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3291 AC_SUBST(FLAGS_FOR_TARGET)
3292 AC_SUBST(RAW_CXX_FOR_TARGET)
3294 # Certain tools may need extra flags.
3295 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3296 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3297 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3299 # When building target libraries, except in a Canadian cross, we use
3300 # the same toolchain as the compiler we just built.
3301 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3302 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3303 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3304 if test $host = $build; then
3305 case " $configdirs " in
3307 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3308 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3309 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3314 AC_SUBST(COMPILER_AS_FOR_TARGET)
3315 AC_SUBST(COMPILER_LD_FOR_TARGET)
3316 AC_SUBST(COMPILER_NM_FOR_TARGET)
3318 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3319 AC_ARG_ENABLE(maintainer-mode,
3320 [AS_HELP_STRING([--enable-maintainer-mode],
3321 [enable make rules and dependencies not useful
3322 (and sometimes confusing) to the casual installer])],
3323 USE_MAINTAINER_MODE=$enableval,
3324 USE_MAINTAINER_MODE=no)
3325 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3326 AC_SUBST(MAINTAINER_MODE_TRUE)
3327 AC_SUBST(MAINTAINER_MODE_FALSE)
3328 if test "$USE_MAINTAINER_MODE" = yes; then
3329 MAINTAINER_MODE_TRUE=
3330 MAINTAINER_MODE_FALSE='#'
3332 MAINTAINER_MODE_TRUE='#'
3333 MAINTAINER_MODE_FALSE=
3335 MAINT=$MAINTAINER_MODE_TRUE
3338 # ---------------------
3339 # GCC bootstrap support
3340 # ---------------------
3342 # Stage specific cflags for build.
3347 yes) stage1_cflags="-g -Wa,-J" ;;
3348 *) stage1_cflags="-g -J" ;;
3352 AC_SUBST(stage1_cflags)
3354 # Enable --enable-checking in stage1 of the compiler.
3355 AC_ARG_ENABLE(stage1-checking,
3356 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3357 [choose additional checking for stage1 of the compiler])],
3358 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3359 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3360 stage1_checking=--enable-checking=yes,types
3362 stage1_checking=--enable-checking=$enable_checking,types
3364 AC_SUBST(stage1_checking)
3366 # Enable -Werror in bootstrap stage2 and later.
3367 AC_ARG_ENABLE(werror,
3368 [AS_HELP_STRING([--enable-werror],
3369 [enable -Werror in bootstrap stage2 and later])], [],
3370 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3375 case ${enable_werror} in
3376 yes) stage2_werror_flag="--enable-werror-always" ;;
3377 *) stage2_werror_flag="" ;;
3379 AC_SUBST(stage2_werror_flag)
3381 # Specify what files to not compare during bootstrap.
3383 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3385 hppa*64*-*-hpux*) ;;
3386 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3387 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3389 AC_SUBST(compare_exclusions)
3391 AC_CONFIG_FILES([Makefile],
3392 [sed "$extrasub_build" Makefile |
3393 sed "$extrasub_host" |
3394 sed "$extrasub_target" > mf$$
3395 mv -f mf$$ Makefile],
3396 [extrasub_build="$extrasub_build"
3397 extrasub_host="$extrasub_host"
3398 extrasub_target="$extrasub_target"])