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 \
173 # these tools are built using the target libraries, and are intended to
174 # run only in the target environment
176 # note: any program that *uses* libraries that are in the "target_libraries"
177 # list belongs in this list.
179 target_tools="target-rda"
181 ################################################################################
183 ## All tools belong in one of the four categories, and are assigned above
184 ## We assign ${configdirs} this way to remove all embedded newlines. This
185 ## is important because configure will choke if they ever get through.
186 ## ${configdirs} is directories we build using the host tools.
187 ## ${target_configdirs} is directories we build using the target tools.
188 configdirs=`echo ${host_libs} ${host_tools}`
189 target_configdirs=`echo ${target_libraries} ${target_tools}`
190 build_configdirs=`echo ${build_libs} ${build_tools}`
192 m4_divert_text([PARSE_ARGS],
195 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
196 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
197 m4_popdef([AS_MESSAGE_LOG_FD])dnl
200 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
203 ################################################################################
205 srcname="gnu development package"
207 # This gets set non-empty for some net releases of packages.
210 # Define is_cross_compiler to save on calls to 'test'.
212 if test x"${host}" = x"${target}" ; then
215 is_cross_compiler=yes
218 # Find the build and target subdir names.
220 # Be sure to cover against remnants of an in-tree build.
221 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
222 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
223 Use a pristine source tree when building in a separate tree])
226 # Skipdirs are removed silently.
228 # Noconfigdirs are removed loudly.
232 # Make sure we don't let GNU ld be added if we didn't want it.
233 if test x$with_gnu_ld = xno ; then
235 noconfigdirs="$noconfigdirs ld gold"
239 # Make sure we don't let GNU as be added if we didn't want it.
240 if test x$with_gnu_as = xno ; then
242 noconfigdirs="$noconfigdirs gas"
246 # Make sure we don't let ZLIB be added if we didn't want it.
247 if test x$with_system_zlib = xyes ; then
249 noconfigdirs="$noconfigdirs zlib"
252 # some tools are so dependent upon X11 that if we're not building with X,
253 # it's not even worth trying to configure, much less build, that tool.
256 yes | "") ;; # the default value for this tree is that X11 is available
258 skipdirs="${skipdirs} tk itcl libgui"
259 # We won't be able to build gdbtk without X.
262 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
265 # Some are only suitable for cross toolchains.
266 # Remove these if host=target.
267 cross_only="target-libgloss target-newlib target-opcodes"
269 case $is_cross_compiler in
270 no) skipdirs="${skipdirs} ${cross_only}" ;;
273 # If both --with-headers and --with-libs are specified, default to
275 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
276 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
277 if test x"${with_newlib}" = x ; then
282 # Recognize --with-newlib/--without-newlib.
283 case ${with_newlib} in
284 no) skipdirs="${skipdirs} target-newlib" ;;
285 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
288 # Handle --enable-gold, --enable-ld.
289 # --disable-gold [--enable-ld]
290 # Build only ld. Default option.
291 # --enable-gold [--enable-ld]
292 # Build both gold and ld. Install gold as "ld.gold", install ld
293 # as "ld.bfd" and "ld".
294 # --enable-gold=default [--enable-ld]
295 # Build both gold and ld. Install gold as "ld.gold" and "ld",
296 # install ld as "ld.bfd".
297 # --enable-gold[=default] --disable-ld
298 # Build only gold, which is then installed as both "ld.gold" and "ld".
299 # --enable-gold --enable-ld=default
300 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
302 # In other words, ld is default
303 # --enable-gold=default --enable-ld=default
308 [AS_HELP_STRING([[--enable-gold[=ARG]]],
309 [build gold @<:@ARG={default,yes,no}@:>@])],
310 ENABLE_GOLD=$enableval,
312 case "${ENABLE_GOLD}" in
314 # Check for ELF target.
317 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
318 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
319 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
320 | *-*-solaris2* | *-*-nto*)
322 *-*-linux*aout* | *-*-linux*oldld*)
330 if test "$is_elf" = "yes"; then
331 # Check for target supported by gold.
333 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
334 configdirs="$configdirs gold"
335 if test x${ENABLE_GOLD} = xdefault; then
346 AC_MSG_ERROR([invalid --enable-gold argument])
351 [AS_HELP_STRING([[--enable-ld[=ARG]]],
352 [build ld @<:@ARG={default,yes,no}@:>@])],
353 ENABLE_LD=$enableval,
356 case "${ENABLE_LD}" in
358 if test x${default_ld} != x; then
359 AC_MSG_ERROR([either gold or ld can be the default ld])
365 if test x${ENABLE_GOLD} != xyes; then
366 AC_MSG_WARN([neither ld nor gold are enabled])
368 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
371 AC_MSG_ERROR([invalid --enable-ld argument])
375 # Configure extra directories which are host specific
379 configdirs="$configdirs libtermcap" ;;
382 # A target can indicate whether a language isn't supported for some reason.
383 # Only spaces may be used in this macro; not newlines or tabs.
384 unsupported_languages=
386 # Remove more programs from consideration, based on the host or
387 # target this usually means that a port of the program doesn't
391 i[[3456789]]86-*-msdosdjgpp*)
392 noconfigdirs="$noconfigdirs tcl tk itcl"
397 AC_ARG_ENABLE(libquadmath,
398 AS_HELP_STRING([--disable-libquadmath],
399 [do not build libquadmath directory]),
400 ENABLE_LIBQUADMATH=$enableval,
401 ENABLE_LIBQUADMATH=yes)
402 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
403 noconfigdirs="$noconfigdirs target-libquadmath"
407 AC_ARG_ENABLE(libquadmath-support,
408 AS_HELP_STRING([--disable-libquadmath-support],
409 [disable libquadmath support for Fortran]),
410 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
411 ENABLE_LIBQUADMATH_SUPPORT=yes)
412 enable_libquadmath_support=
413 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
414 enable_libquadmath_support=no
418 AC_ARG_ENABLE(libada,
419 [AS_HELP_STRING([--enable-libada], [build libada directory])],
420 ENABLE_LIBADA=$enableval,
422 if test "${ENABLE_LIBADA}" != "yes" ; then
423 noconfigdirs="$noconfigdirs gnattools"
426 AC_ARG_ENABLE(libssp,
427 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
428 ENABLE_LIBSSP=$enableval,
431 # Save it here so that, even in case of --enable-libgcj, if the Java
432 # front-end isn't enabled, we still get libgcj disabled.
434 case $enable_libgcj in
436 # If we reset it here, it won't get added to noconfigdirs in the
437 # target-specific build rules, so it will be forcibly enabled
438 # (unless the Java language itself isn't enabled).
442 # Make sure we get it printed in the list of not supported target libs.
443 # Don't disable libffi, though, other languages use it.
444 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
445 # Clear libgcj_saved so that even if java is enabled libffi won't be
451 AC_ARG_ENABLE(static-libjava,
452 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
453 [build static libjava @<:@default=no@:>@])],
454 ENABLE_STATIC_LIBJAVA=$enableval,
455 ENABLE_STATIC_LIBJAVA=no)
456 enable_static_libjava=
457 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
458 enable_static_libjava=yes
461 if test x$enable_static_libjava != xyes ; then
462 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
464 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
466 # Disable libmudflap on some systems.
467 if test x$enable_libmudflap = x ; then
469 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
470 # Enable libmudflap by default in GNU and friends.
473 # Enable libmudflap by default in FreeBSD.
476 # Disable it by default everywhere else.
477 noconfigdirs="$noconfigdirs target-libmudflap"
482 # Disable libgomp on non POSIX hosted systems.
483 if test x$enable_libgomp = x ; then
484 # Enable libgomp by default on hosted POSIX systems.
486 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
488 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
490 *-*-solaris2* | *-*-hpux11*)
492 *-*-darwin* | *-*-aix*)
495 noconfigdirs="$noconfigdirs target-libgomp"
500 # Disable libatomic on unsupported systems.
501 if test -d ${srcdir}/libatomic; then
502 if test x$enable_libatomic = x; then
503 AC_MSG_CHECKING([for libatomic support])
504 if (srcdir=${srcdir}/libatomic; \
505 . ${srcdir}/configure.tgt; \
506 test -n "$UNSUPPORTED")
509 noconfigdirs="$noconfigdirs target-libatomic"
516 # Disable libitm on unsupported systems.
517 if test -d ${srcdir}/libitm; then
518 if test x$enable_libitm = x; then
519 AC_MSG_CHECKING([for libitm support])
520 if (srcdir=${srcdir}/libitm; \
521 . ${srcdir}/configure.tgt; \
522 test -n "$UNSUPPORTED")
525 noconfigdirs="$noconfigdirs target-libitm"
532 # Disable libquadmath for some systems.
534 # libquadmath is unused on AIX and libquadmath build process use of
535 # LD_LIBRARY_PATH can break AIX bootstrap.
536 powerpc-*-aix* | rs6000-*-aix*)
537 noconfigdirs="$noconfigdirs target-libquadmath"
541 # Disable libssp for some systems.
544 # No hosted I/O support.
545 noconfigdirs="$noconfigdirs target-libssp"
547 powerpc-*-aix* | rs6000-*-aix*)
548 noconfigdirs="$noconfigdirs target-libssp"
551 # libssp uses a misaligned load to trigger a fault, but the RL78
552 # doesn't fault for those - instead, it gives a build-time error
553 # for explicit misaligned loads.
554 noconfigdirs="$noconfigdirs target-libssp"
558 # Disable libquadmath for some systems.
561 noconfigdirs="$noconfigdirs target-libquadmath"
565 # Disable libstdc++-v3 for some systems.
568 # VxWorks uses the Dinkumware C++ library.
569 noconfigdirs="$noconfigdirs target-libstdc++-v3"
572 # the C++ libraries don't build on top of CE's C libraries
573 noconfigdirs="$noconfigdirs target-libstdc++-v3"
576 noconfigdirs="$noconfigdirs target-libstdc++-v3"
580 # Disable Fortran for some systems.
583 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
584 unsupported_languages="$unsupported_languages fortran"
588 # Disable Java if libffi is not supported.
618 powerpc-*-aix* | rs6000-*-aix*)
622 powerpc64-*-freebsd*)
626 s390-*-* | s390x-*-*)
628 sh-*-* | sh[[34]]*-*-*)
637 unsupported_languages="$unsupported_languages java"
641 # Disable Java, libgcj or related libraries for some systems.
645 i[[3456789]]86-*-darwin*)
647 x86_64-*-darwin[[912]]*)
650 noconfigdirs="$noconfigdirs ${libgcj}"
653 noconfigdirs="$noconfigdirs ${libgcj}"
656 noconfigdirs="$noconfigdirs ${libgcj}"
659 noconfigdirs="$noconfigdirs ${libgcj}"
662 noconfigdirs="$noconfigdirs ${libgcj}"
665 noconfigdirs="$noconfigdirs ${libgcj}"
668 noconfigdirs="$noconfigdirs ${libgcj}"
671 noconfigdirs="$noconfigdirs ${libgcj}"
674 noconfigdirs="$noconfigdirs ${libgcj}"
677 noconfigdirs="$noconfigdirs target-boehm-gc"
679 cris-*-* | crisv32-*-*)
680 unsupported_languages="$unsupported_languages java"
684 *) # See PR46792 regarding target-libffi.
685 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
689 # In this case, it's because the hppa64-linux target is for
690 # the kernel only at this point and has no libc, and thus no
691 # headers, crt*.o, etc., all of which are needed by these.
692 unsupported_languages="$unsupported_languages java"
695 noconfigdirs="$noconfigdirs ${libgcj}"
700 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
701 # build on HP-UX 10.20.
702 noconfigdirs="$noconfigdirs ${libgcj}"
705 noconfigdirs="$noconfigdirs ${libgcj}"
707 i[[3456789]]86-w64-mingw*)
708 noconfigdirs="$noconfigdirs ${libgcj}"
710 i[[3456789]]86-*-mingw*)
711 noconfigdirs="$noconfigdirs ${libgcj}"
714 noconfigdirs="$noconfigdirs ${libgcj}"
717 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
720 # copied from rs6000-*-* entry
721 noconfigdirs="$noconfigdirs ${libgcj}"
724 noconfigdirs="$noconfigdirs ${libgcj}"
727 noconfigdirs="$noconfigdirs ${libgcj}"
731 # Default libgloss CPU subdirectory.
732 libgloss_dir="$target_cpu"
735 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
741 cris-*-* | crisv32-*-*)
750 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
767 # Disable newlib and libgloss for various target OSes.
770 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
772 i[[3456789]]86-*-linux*)
773 # This section makes it possible to build newlib natively on linux.
774 # If we are using a cross compiler then don't configure newlib.
775 if test x${is_cross_compiler} != xno ; then
776 noconfigdirs="$noconfigdirs target-newlib"
778 noconfigdirs="$noconfigdirs target-libgloss"
779 # If we are not using a cross compiler, do configure newlib.
780 # Note however, that newlib will only be configured in this situation
781 # if the --with-newlib option has been given, because otherwise
782 # 'target-newlib' will appear in skipdirs.
784 i[[3456789]]86-*-rdos*)
785 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
787 sh*-*-pe|mips*-*-pe|arm-wince-pe)
788 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
791 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
794 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
797 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
800 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
803 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
806 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
808 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
809 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
812 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
815 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
818 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
821 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
824 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
827 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
830 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
838 noconfigdirs="$noconfigdirs ld gas gdb gprof"
839 noconfigdirs="$noconfigdirs sim target-rda"
841 i[[3456789]]86-*-darwin*)
842 noconfigdirs="$noconfigdirs ld gprof"
843 noconfigdirs="$noconfigdirs sim target-rda"
845 x86_64-*-darwin[[912]]*)
846 noconfigdirs="$noconfigdirs ld gas gprof"
847 noconfigdirs="$noconfigdirs sim target-rda"
850 noconfigdirs="$noconfigdirs ld gas gdb gprof"
851 noconfigdirs="$noconfigdirs sim target-rda"
856 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
857 && test -f /usr/local/include/gmp.h; then
862 # Remove unsupported stuff on all kaOS configurations.
863 noconfigdirs="$noconfigdirs target-libgloss"
870 noconfigdirs="$noconfigdirs target-libgloss"
872 # The tpf target doesn't support gdb yet.
874 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
877 noconfigdirs="$noconfigdirs target-rda"
882 # ld works, but does not support shared libraries.
883 # gas doesn't generate exception information.
884 noconfigdirs="$noconfigdirs gas ld"
887 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
890 # newlib is not 64 bit ready
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
893 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
894 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
897 noconfigdirs="$noconfigdirs target-libgloss"
900 noconfigdirs="$noconfigdirs target-libgloss"
903 noconfigdirs="$noconfigdirs ld target-libgloss"
908 if test x${with_avrlibc} != xno; then
909 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
913 noconfigdirs="$noconfigdirs target-libgloss"
916 noconfigdirs="$noconfigdirs target-libgloss gdb"
919 noconfigdirs="$noconfigdirs target-libgloss"
922 noconfigdirs="$noconfigdirs gdb"
925 noconfigdirs="$noconfigdirs gdb"
928 noconfigdirs="$noconfigdirs gprof"
931 noconfigdirs="$noconfigdirs target-libgloss"
934 noconfigdirs="$noconfigdirs target-libgloss"
936 hppa1.1-*-osf* | hppa1.1-*-bsd* )
948 noconfigdirs="$noconfigdirs ld"
953 noconfigdirs="$noconfigdirs ld"
956 noconfigdirs="$noconfigdirs gdb"
959 # No gdb support yet.
960 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
964 noconfigdirs="$noconfigdirs libgui itcl ld"
968 noconfigdirs="$noconfigdirs libgui itcl ld"
970 i[[3456789]]86-w64-mingw*)
972 i[[3456789]]86-*-mingw*)
973 target_configdirs="$target_configdirs target-winsup"
976 target_configdirs="$target_configdirs target-libtermcap target-winsup"
977 noconfigdirs="$noconfigdirs target-libgloss"
978 # always build newlib if winsup directory is present.
979 if test -d "$srcdir/winsup/cygwin"; then
980 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
981 elif test -d "$srcdir/newlib"; then
982 echo "Warning: winsup/cygwin is missing so newlib can't be built."
986 noconfigdirs="$noconfigdirs target-libgloss"
988 i[[3456789]]86-*-sco3.2v5*)
989 # The linker does not yet know about weak symbols in COFF,
990 # and is not configured to handle mixed ELF and COFF.
991 noconfigdirs="$noconfigdirs ld target-libgloss"
993 i[[3456789]]86-*-sco*)
994 noconfigdirs="$noconfigdirs gprof target-libgloss"
996 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
997 noconfigdirs="$noconfigdirs target-libgloss"
999 i[[3456789]]86-*-sysv4*)
1000 noconfigdirs="$noconfigdirs target-libgloss"
1002 i[[3456789]]86-*-beos*)
1003 noconfigdirs="$noconfigdirs gdb"
1005 i[[3456789]]86-*-rdos*)
1006 noconfigdirs="$noconfigdirs gdb"
1009 noconfigdirs="$noconfigdirs gdb"
1012 noconfigdirs="$noconfigdirs sim"
1015 # copied from rs6000-*-* entry
1016 noconfigdirs="$noconfigdirs gprof"
1018 powerpc*-*-winnt* | powerpc*-*-pe*)
1019 target_configdirs="$target_configdirs target-winsup"
1020 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1021 # always build newlib.
1022 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1024 # This is temporary until we can link against shared libraries
1025 powerpcle-*-solaris*)
1026 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1029 noconfigdirs="$noconfigdirs gdb"
1032 noconfigdirs="$noconfigdirs gprof"
1035 noconfigdirs="$noconfigdirs gprof"
1038 noconfigdirs="$noconfigdirs gprof"
1041 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1044 noconfigdirs="$noconfigdirs gprof"
1046 mips*-sde-elf* | mips*-mti-elf*)
1047 if test x$with_newlib = xyes; then
1048 noconfigdirs="$noconfigdirs gprof"
1052 noconfigdirs="$noconfigdirs gprof target-libgloss"
1055 noconfigdirs="$noconfigdirs gprof target-libgloss"
1058 noconfigdirs="$noconfigdirs gprof target-libgloss"
1063 noconfigdirs="$noconfigdirs gprof"
1070 noconfigdirs="$noconfigdirs target-libgloss" ;;
1074 if test x${is_cross_compiler} = xno ; then
1079 noconfigdirs="$noconfigdirs sim"
1081 tilepro-*-* | tilegx-*-*)
1082 noconfigdirs="$noconfigdirs sim"
1085 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1088 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1092 # If we aren't building newlib, then don't build libgloss, since libgloss
1093 # depends upon some newlib header files.
1094 case "${noconfigdirs}" in
1095 *target-libgloss*) ;;
1096 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1099 # Work in distributions that contain no compiler tools, like Autoconf.
1100 host_makefile_frag=/dev/null
1101 if test -d ${srcdir}/config ; then
1103 i[[3456789]]86-*-msdosdjgpp*)
1104 host_makefile_frag="config/mh-djgpp"
1107 ACX_CHECK_CYGWIN_CAT_WORKS
1108 host_makefile_frag="config/mh-cygwin"
1111 host_makefile_frag="config/mh-mingw"
1114 host_makefile_frag="config/mh-pa-hpux10"
1117 host_makefile_frag="config/mh-pa"
1120 host_makefile_frag="config/mh-pa"
1123 host_makefile_frag="config/mh-darwin"
1126 host_makefile_frag="config/mh-ppc-aix"
1129 host_makefile_frag="config/mh-ppc-aix"
1134 if test "${build}" != "${host}" ; then
1135 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1136 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1137 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1138 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1139 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1140 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1141 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1142 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1143 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1144 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1145 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1146 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1147 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1149 AR_FOR_BUILD="\$(AR)"
1150 AS_FOR_BUILD="\$(AS)"
1151 CC_FOR_BUILD="\$(CC)"
1152 CXX_FOR_BUILD="\$(CXX)"
1153 GCJ_FOR_BUILD="\$(GCJ)"
1154 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1155 GOC_FOR_BUILD="\$(GOC)"
1156 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1157 LD_FOR_BUILD="\$(LD)"
1158 NM_FOR_BUILD="\$(NM)"
1159 RANLIB_FOR_BUILD="\$(RANLIB)"
1160 WINDRES_FOR_BUILD="\$(WINDRES)"
1161 WINDMC_FOR_BUILD="\$(WINDMC)"
1167 # We must set the default linker to the linker used by gcc for the correct
1168 # operation of libtool. If LD is not defined and we are using gcc, try to
1169 # set the LD default to the ld used by gcc.
1170 if test -z "$LD"; then
1171 if test "$GCC" = yes; then
1174 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1176 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1178 case $gcc_prog_ld in
1179 # Accept absolute paths.
1180 [[\\/]* | [A-Za-z]:[\\/]*)]
1181 LD="$gcc_prog_ld" ;;
1186 # Check whether -static-libstdc++ -static-libgcc is supported.
1188 if test "$GCC" = yes; then
1189 saved_LDFLAGS="$LDFLAGS"
1191 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1192 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1195 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1196 #error -static-libstdc++ not implemented
1199 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1200 [AC_MSG_RESULT([no])])
1203 LDFLAGS="$saved_LDFLAGS"
1207 ACX_PROG_CMP_IGNORE_INITIAL
1209 AC_ARG_ENABLE([bootstrap],
1210 [AS_HELP_STRING([--enable-bootstrap],
1211 [enable bootstrapping @<:@yes if native build@:>@])],,
1212 enable_bootstrap=default)
1214 # Issue errors and warnings for invalid/strange bootstrap combinations.
1215 if test -r $srcdir/gcc/configure; then
1221 case "$have_compiler:$host:$target:$enable_bootstrap" in
1224 # Default behavior. Enable bootstrap if we have a compiler
1225 # and we are in a native configuration.
1226 yes:$build:$build:default)
1227 enable_bootstrap=yes ;;
1230 enable_bootstrap=no ;;
1232 # We have a compiler and we are in a native configuration, bootstrap is ok
1233 yes:$build:$build:yes)
1236 # Other configurations, but we have a compiler. Assume the user knows
1239 AC_MSG_WARN([trying to bootstrap a cross compiler])
1242 # No compiler: if they passed --enable-bootstrap explicitly, fail
1244 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1246 # Fail if wrong command line
1248 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1252 # Used for setting $lt_cv_objdir
1255 # Check for GMP, MPFR and MPC
1256 gmplibs="-lmpc -lmpfr -lgmp"
1260 # Specify a location for mpc
1261 # check for this first so it ends up on the link line before mpfr.
1263 [AS_HELP_STRING([--with-mpc=PATH],
1264 [specify prefix directory for installed MPC package.
1265 Equivalent to --with-mpc-include=PATH/include
1266 plus --with-mpc-lib=PATH/lib])])
1267 AC_ARG_WITH(mpc-include,
1268 [AS_HELP_STRING([--with-mpc-include=PATH],
1269 [specify directory for installed MPC include files])])
1270 AC_ARG_WITH(mpc-lib,
1271 [AS_HELP_STRING([--with-mpc-lib=PATH],
1272 [specify directory for the installed MPC library])])
1274 if test "x$with_mpc" != x; then
1275 gmplibs="-L$with_mpc/lib $gmplibs"
1276 gmpinc="-I$with_mpc/include $gmpinc"
1278 if test "x$with_mpc_include" != x; then
1279 gmpinc="-I$with_mpc_include $gmpinc"
1281 if test "x$with_mpc_lib" != x; then
1282 gmplibs="-L$with_mpc_lib $gmplibs"
1284 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1285 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1286 gmpinc='-I$$s/mpc/src '"$gmpinc"
1287 # Do not test the mpc version. Assume that it is sufficient, since
1288 # it is in the source tree, and the library has not been built yet
1289 # but it would be included on the link line in the version check below
1290 # hence making the test fail.
1294 # Specify a location for mpfr
1295 # check for this first so it ends up on the link line before gmp.
1296 AC_ARG_WITH(mpfr-dir,
1297 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1298 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1299 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1302 [AS_HELP_STRING([--with-mpfr=PATH],
1303 [specify prefix directory for installed MPFR package.
1304 Equivalent to --with-mpfr-include=PATH/include
1305 plus --with-mpfr-lib=PATH/lib])])
1306 AC_ARG_WITH(mpfr-include,
1307 [AS_HELP_STRING([--with-mpfr-include=PATH],
1308 [specify directory for installed MPFR include files])])
1309 AC_ARG_WITH(mpfr-lib,
1310 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1311 [specify directory for the installed MPFR library])])
1313 if test "x$with_mpfr" != x; then
1314 gmplibs="-L$with_mpfr/lib $gmplibs"
1315 gmpinc="-I$with_mpfr/include $gmpinc"
1317 if test "x$with_mpfr_include" != x; then
1318 gmpinc="-I$with_mpfr_include $gmpinc"
1320 if test "x$with_mpfr_lib" != x; then
1321 gmplibs="-L$with_mpfr_lib $gmplibs"
1323 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1324 # MPFR v3.1.0 moved the sources into a src sub-directory.
1325 if test -d ${srcdir}/mpfr/src; then
1326 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1327 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1328 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1330 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1331 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1332 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1334 # Do not test the mpfr version. Assume that it is sufficient, since
1335 # it is in the source tree, and the library has not been built yet
1336 # but it would be included on the link line in the version check below
1337 # hence making the test fail.
1341 # Specify a location for gmp
1342 AC_ARG_WITH(gmp-dir,
1343 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1344 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1345 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1348 [AS_HELP_STRING([--with-gmp=PATH],
1349 [specify prefix directory for the installed GMP package.
1350 Equivalent to --with-gmp-include=PATH/include
1351 plus --with-gmp-lib=PATH/lib])])
1352 AC_ARG_WITH(gmp-include,
1353 [AS_HELP_STRING([--with-gmp-include=PATH],
1354 [specify directory for installed GMP include files])])
1355 AC_ARG_WITH(gmp-lib,
1356 [AS_HELP_STRING([--with-gmp-lib=PATH],
1357 [specify directory for the installed GMP library])])
1360 if test "x$with_gmp" != x; then
1361 gmplibs="-L$with_gmp/lib $gmplibs"
1362 gmpinc="-I$with_gmp/include $gmpinc"
1364 if test "x$with_gmp_include" != x; then
1365 gmpinc="-I$with_gmp_include $gmpinc"
1367 if test "x$with_gmp_lib" != x; then
1368 gmplibs="-L$with_gmp_lib $gmplibs"
1370 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1371 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1372 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1373 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1374 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1375 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1376 # Do not test the gmp version. Assume that it is sufficient, since
1377 # it is in the source tree, and the library has not been built yet
1378 # but it would be included on the link line in the version check below
1379 # hence making the test fail.
1383 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1385 saved_CFLAGS="$CFLAGS"
1386 CFLAGS="$CFLAGS $gmpinc"
1387 # Check for the recommended and required versions of GMP.
1388 AC_MSG_CHECKING([for the correct version of gmp.h])
1389 AC_TRY_COMPILE([#include "gmp.h"],[
1390 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1391 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1392 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1395 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1396 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1397 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1398 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1401 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1402 [AC_MSG_RESULT([no]); have_gmp=no])
1404 # If we have GMP, check the MPFR version.
1405 if test x"$have_gmp" = xyes; then
1406 # Check for the recommended and required versions of MPFR.
1407 AC_MSG_CHECKING([for the correct version of mpfr.h])
1408 AC_TRY_COMPILE([#include <gmp.h>
1409 #include <mpfr.h>],[
1410 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1413 ], [AC_TRY_COMPILE([#include <gmp.h>
1414 #include <mpfr.h>],[
1415 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1418 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1419 [AC_MSG_RESULT([no]); have_gmp=no])
1422 # Check for the MPC header version.
1423 if test x"$have_gmp" = xyes ; then
1424 # Check for the recommended and required versions of MPC.
1425 AC_MSG_CHECKING([for the correct version of mpc.h])
1426 AC_TRY_COMPILE([#include <mpc.h>],[
1427 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1430 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1431 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1434 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1435 [AC_MSG_RESULT([no]); have_gmp=no])
1438 # Now check the MPFR library.
1439 if test x"$have_gmp" = xyes; then
1441 LIBS="$LIBS $gmplibs"
1442 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1443 AC_TRY_LINK([#include <mpc.h>],[
1450 mpfr_atan2 (n, n, x, GMP_RNDN);
1451 mpfr_erfc (n, x, GMP_RNDN);
1452 mpfr_subnormalize (x, t, GMP_RNDN);
1456 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1457 mpc_cosh (c, c, MPC_RNDNN);
1458 mpc_pow (c, c, c, MPC_RNDNN);
1459 mpc_acosh (c, c, MPC_RNDNN);
1461 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1465 CFLAGS="$saved_CFLAGS"
1467 # The library versions listed in the error message below should match
1468 # the HARD-minimums enforced above.
1469 if test x$have_gmp != xyes; then
1470 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1471 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1472 their locations. Source code for these libraries can be found at
1473 their respective hosting sites as well as at
1474 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1475 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1476 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1477 make sure that you have installed both the libraries and the header
1478 files. They may be located in separate packages.])
1482 # Flags needed for both GMP, MPFR and/or MPC.
1485 AC_SUBST(extra_mpfr_configure_flags)
1486 AC_SUBST(extra_mpc_gmp_configure_flags)
1487 AC_SUBST(extra_mpc_mpfr_configure_flags)
1488 AC_SUBST(extra_isl_gmp_configure_flags)
1490 # Allow host libstdc++ to be specified for static linking with PPL.
1491 AC_ARG_WITH(host-libstdcxx,
1492 [AS_HELP_STRING([--with-host-libstdcxx=L],
1493 [use linker arguments L to link with libstdc++
1494 when linking with PPL])])
1496 case $with_host_libstdcxx in
1498 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1502 # Libraries to use for stage1 or when not bootstrapping.
1503 AC_ARG_WITH(stage1-libs,
1504 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1505 [if test "$withval" = "no" -o "$withval" = "yes"; then
1508 stage1_libs=$withval
1510 [stage1_libs=$with_host_libstdcxx])
1511 AC_SUBST(stage1_libs)
1513 # Linker flags to use for stage1 or when not bootstrapping.
1514 AC_ARG_WITH(stage1-ldflags,
1515 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1516 [if test "$withval" = "no" -o "$withval" = "yes"; then
1519 stage1_ldflags=$withval
1522 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1523 # if supported. But if the user explicitly specified the libraries to use,
1524 # trust that they are doing what they want.
1525 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1526 stage1_ldflags="-static-libstdc++ -static-libgcc"
1528 AC_SUBST(stage1_ldflags)
1530 # Libraries to use for stage2 and later builds. This defaults to the
1531 # argument passed to --with-host-libstdcxx.
1532 AC_ARG_WITH(boot-libs,
1533 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1534 [if test "$withval" = "no" -o "$withval" = "yes"; then
1537 poststage1_libs=$withval
1539 [poststage1_libs=$with_host_libstdcxx])
1540 AC_SUBST(poststage1_libs)
1542 # Linker flags to use for stage2 and later builds.
1543 AC_ARG_WITH(boot-ldflags,
1544 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1545 [linker flags for stage2 and later])],
1546 [if test "$withval" = "no" -o "$withval" = "yes"; then
1549 poststage1_ldflags=$withval
1551 [poststage1_ldflags=
1552 # In stages 2 and 3, default to linking libstdc++ and libgcc
1553 # statically. But if the user explicitly specified the libraries to
1554 # use, trust that they are doing what they want.
1555 if test "$poststage1_libs" = ""; then
1556 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1558 AC_SUBST(poststage1_ldflags)
1560 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1561 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1566 [--with-cloog=PATH],
1567 [Specify prefix directory for the installed CLooG-ISL package.
1568 Equivalent to --with-cloog-include=PATH/include
1569 plus --with-cloog-lib=PATH/lib])])
1573 [Specify prefix directory for the installed ISL package.
1574 Equivalent to --with-isl-include=PATH/include
1575 plus --with-isl-lib=PATH/lib])])
1577 # Treat either --without-cloog or --without-isl as a request to disable
1578 # GRAPHITE support and skip all following checks.
1579 if test "x$with_isl" != "xno" &&
1580 test "x$with_cloog" != "xno"; then
1582 dnl Provide configure switches and initialize islinc & isllibs
1583 dnl with user input.
1585 dnl The minimal version of ISL required for Graphite.
1586 ISL_CHECK_VERSION(0,10)
1587 dnl Only execute fail-action, if ISL has been requested.
1589 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1591 if test "x$gcc_cv_isl" != "xno"; then
1593 dnl Provide configure switches and initialize clooginc & clooglibs
1594 dnl with user input.
1596 dnl The minimal version of CLooG required for Graphite.
1598 dnl If we use CLooG-Legacy, the provided version information is
1600 CLOOG_CHECK_VERSION(0,17,0)
1602 dnl Only execute fail-action, if CLooG has been requested.
1604 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1608 # If either the ISL or the CLooG check failed, disable builds of in-tree
1610 if test "x$with_isl" = xno ||
1611 test "x$with_cloog" = xno ||
1612 test "x$gcc_cv_cloog" = xno ||
1613 test "x$gcc_cv_isl" = xno; then
1614 noconfigdirs="$noconfigdirs cloog isl"
1625 # Check for LTO support.
1627 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1628 enable_lto=$enableval,
1629 enable_lto=yes; default_enable_lto=yes)
1631 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1632 build_lto_plugin=yes
1633 ],[if test x"$default_enable_lto" = x"yes" ; then
1635 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1636 # On other non-ELF platforms, LTO has yet to be validated.
1640 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1641 # It would also be nice to check the binutils support, but we don't
1642 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1643 # warn during gcc/ subconfigure; unless you're bootstrapping with
1644 # -flto it won't be needed until after installation anyway.
1646 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1647 *) if test x"$enable_lto" = x"yes"; then
1648 AC_MSG_ERROR([LTO support is not enabled for this target.])
1653 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1654 # Build it unless LTO was explicitly disabled.
1656 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1662 # By default, C and C++ are the only stage 1 languages.
1663 stage1_languages=,c,
1665 # Target libraries that we bootstrap.
1666 bootstrap_target_libs=,target-libgcc,
1668 # Figure out what language subdirectories are present.
1669 # Look if the user specified --enable-languages="..."; if not, use
1670 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1672 # NB: embedded tabs in this IF block -- do not untabify
1673 if test -d ${srcdir}/gcc; then
1674 if test x"${enable_languages+set}" != xset; then
1675 if test x"${LANGUAGES+set}" = xset; then
1676 enable_languages="${LANGUAGES}"
1677 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1679 enable_languages=all
1682 if test x"${enable_languages}" = x ||
1683 test x"${enable_languages}" = xyes;
1685 echo configure.in: --enable-languages needs at least one language argument 1>&2
1689 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1691 # 'f95' is the old name for the 'fortran' language. We issue a warning
1692 # and make the substitution.
1693 case ,${enable_languages}, in
1695 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1696 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1700 # If bootstrapping, C++ must be enabled.
1701 case ",$enable_languages,:$enable_bootstrap" in
1704 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1705 enable_languages="${enable_languages},c++"
1707 AC_MSG_ERROR([bootstrapping requires c++ sources])
1712 # First scan to see if an enabled language requires some other language.
1713 # We assume that a given config-lang.in will list all the language
1714 # front ends it requires, even if some are required indirectly.
1715 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1716 case ${lang_frag} in
1718 # The odd quoting in the next line works around
1719 # an apparent bug in bash 1.12 on linux.
1720 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1722 # From the config-lang.in, get $language, $lang_requires, and
1723 # $lang_requires_boot_languages.
1726 lang_requires_boot_languages=
1728 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1729 case ,${enable_languages}, in
1733 echo " \`$other' language required by \`$language'; enabling" 1>&2
1734 enable_languages="${enable_languages},${other}"
1738 for other in ${lang_requires_boot_languages} ; do
1739 if test "$other" != "c"; then
1740 case ,${enable_stage1_languages}, in
1744 case ,${enable_languages}, in
1746 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1747 enable_stage1_languages="$enable_stage1_languages,${other}"
1758 new_enable_languages=,c,
1760 # If LTO is enabled, add the LTO front end.
1761 extra_host_libiberty_configure_flags=
1762 if test "$enable_lto" = "yes" ; then
1763 case ,${enable_languages}, in
1765 *) enable_languages="${enable_languages},lto" ;;
1767 if test "${build_lto_plugin}" = "yes" ; then
1768 configdirs="$configdirs lto-plugin"
1769 extra_host_libiberty_configure_flags=--enable-shared
1772 AC_SUBST(extra_host_libiberty_configure_flags)
1774 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1775 potential_languages=,c,
1777 enabled_target_libs=
1778 disabled_target_libs=
1780 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1781 case ${lang_frag} in
1783 # The odd quoting in the next line works around
1784 # an apparent bug in bash 1.12 on linux.
1785 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1787 # From the config-lang.in, get $language, $target_libs,
1788 # $lang_dirs, $boot_language, and $build_by_default
1794 build_by_default=yes
1796 if test x${language} = x; then
1797 echo "${lang_frag} doesn't set \$language." 1>&2
1801 if test "$language" = "c++"; then
1806 case ,${enable_languages}, in
1808 # Language was explicitly selected; include it
1809 # unless it is C, which is enabled by default.
1810 if test "$language" != "c"; then
1815 # 'all' was selected, select it if it is a default language
1816 if test "$language" != "c"; then
1817 add_this_lang=${build_by_default}
1822 # Disable languages that need other directories if these aren't available.
1823 for i in $subdir_requires; do
1824 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1825 case ,${enable_languages}, in
1827 # Specifically requested language; tell them.
1828 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1832 add_this_lang=unsupported
1837 # Disable Ada if no preexisting GNAT is available.
1838 case ,${enable_languages},:${language}:${have_gnat} in
1839 *,${language},*:ada:no)
1840 # Specifically requested language; tell them.
1841 AC_MSG_ERROR([GNAT is required to build $language])
1845 add_this_lang=unsupported
1849 # Disable a language that is unsupported by the target.
1850 case " $unsupported_languages " in
1852 add_this_lang=unsupported
1856 case $add_this_lang in
1858 # Remove language-dependent dirs.
1859 disabled_target_libs="$disabled_target_libs $target_libs"
1860 noconfigdirs="$noconfigdirs $lang_dirs"
1863 # Remove language-dependent dirs; still show language as supported.
1864 disabled_target_libs="$disabled_target_libs $target_libs"
1865 noconfigdirs="$noconfigdirs $lang_dirs"
1866 potential_languages="${potential_languages}${language},"
1869 new_enable_languages="${new_enable_languages}${language},"
1870 potential_languages="${potential_languages}${language},"
1871 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1872 enabled_target_libs="$enabled_target_libs $target_libs"
1873 case "${boot_language}:,$enable_stage1_languages," in
1874 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1875 # Add to (comma-separated) list of stage 1 languages.
1876 case ",$stage1_languages," in
1877 *,$language,* | ,yes, | ,all,) ;;
1878 *) stage1_languages="${stage1_languages}${language}," ;;
1880 # We need to bootstrap any supporting libraries.
1881 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1890 # Add target libraries which are only needed for disabled languages
1892 if test -n "$disabled_target_libs"; then
1893 for dir in $disabled_target_libs; do
1894 case " $enabled_target_libs " in
1896 *) noconfigdirs="$noconfigdirs $dir" ;;
1901 AC_ARG_ENABLE(stage1-languages,
1902 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1903 [choose additional languages to build during
1904 stage1. Mostly useful for compiler development])],
1905 [case ,${enable_stage1_languages}, in
1907 # Set it to something that will have no effect in the loop below
1908 enable_stage1_languages=c ;;
1910 enable_stage1_languages=`echo $new_enable_languages | \
1911 sed -e "s/^,//" -e "s/,$//" ` ;;
1913 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1914 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1917 # Add "good" languages from enable_stage1_languages to stage1_languages,
1918 # while "bad" languages go in missing_languages. Leave no duplicates.
1919 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1920 case $potential_languages in
1922 case $stage1_languages in
1924 *) stage1_languages="$stage1_languages$i," ;;
1927 case $missing_languages in
1929 *) missing_languages="$missing_languages$i," ;;
1934 # Remove leading/trailing commas that were added for simplicity
1935 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1936 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1937 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1938 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1940 if test "x$missing_languages" != x; then
1942 The following requested languages could not be built: ${missing_languages}
1943 Supported languages are: ${potential_languages}])
1945 if test "x$new_enable_languages" != "x$enable_languages"; then
1946 echo The following languages will be built: ${new_enable_languages}
1947 enable_languages="$new_enable_languages"
1950 AC_SUBST(stage1_languages)
1951 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1954 # Handle --disable-<component> generically.
1955 for dir in $configdirs $build_configdirs $target_configdirs ; do
1956 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1957 varname=`echo $dirname | sed -e s/+/_/g`
1958 if eval test x\${enable_${varname}} "=" xno ; then
1959 noconfigdirs="$noconfigdirs $dir"
1963 # Check for Boehm's garbage collector
1964 AC_ARG_ENABLE(objc-gc,
1965 [AS_HELP_STRING([--enable-objc-gc],
1966 [enable use of Boehm's garbage collector with the
1967 GNU Objective-C runtime])],
1968 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1969 *,objc,*:*:yes:*target-boehm-gc*)
1970 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1974 # Make sure we only build Boehm's garbage collector if required.
1975 case ,${enable_languages},:${enable_objc_gc} in
1977 # Keep target-boehm-gc if requested for Objective-C.
1980 # Otherwise remove target-boehm-gc depending on target-libjava.
1981 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1982 noconfigdirs="$noconfigdirs target-boehm-gc"
1987 # Disable libitm if we're not building C++
1988 case ,${enable_languages}, in
1991 noconfigdirs="$noconfigdirs target-libitm"
1995 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1996 # $build_configdirs and $target_configdirs.
1997 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2000 for dir in . $skipdirs $noconfigdirs ; do
2001 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2002 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2003 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2004 if test -r $srcdir/$dirname/configure ; then
2005 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2008 notsupp="$notsupp $dir"
2012 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2013 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2014 if test -r $srcdir/$dirname/configure ; then
2015 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2018 notsupp="$notsupp $dir"
2022 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2023 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2024 if test -r $srcdir/$dirname/configure ; then
2025 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2028 notsupp="$notsupp $dir"
2034 # Quietly strip out all directories which aren't configurable in this tree.
2035 # This relies on all configurable subdirectories being autoconfiscated, which
2037 build_configdirs_all="$build_configdirs"
2039 for i in ${build_configdirs_all} ; do
2040 j=`echo $i | sed -e s/build-//g`
2041 if test -f ${srcdir}/$j/configure ; then
2042 build_configdirs="${build_configdirs} $i"
2046 configdirs_all="$configdirs"
2048 for i in ${configdirs_all} ; do
2049 if test -f ${srcdir}/$i/configure ; then
2050 configdirs="${configdirs} $i"
2054 target_configdirs_all="$target_configdirs"
2056 for i in ${target_configdirs_all} ; do
2057 j=`echo $i | sed -e s/target-//g`
2058 if test -f ${srcdir}/$j/configure ; then
2059 target_configdirs="${target_configdirs} $i"
2063 # Produce a warning message for the subdirs we can't configure.
2064 # This isn't especially interesting in the Cygnus tree, but in the individual
2065 # FSF releases, it's important to let people know when their machine isn't
2066 # supported by the one or two programs in a package.
2068 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2069 # If $appdirs is non-empty, at least one of those directories must still
2070 # be configured, or we error out. (E.g., if the gas release supports a
2071 # specified target in some subdirs but not the gas subdir, we shouldn't
2072 # pretend that all is well.)
2073 if test -n "$appdirs" ; then
2074 for dir in $appdirs ; do
2075 if test -r $dir/Makefile.in ; then
2076 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2080 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2086 if test -n "$appdirs" ; then
2087 echo "*** This configuration is not supported by this package." 1>&2
2091 # Okay, some application will build, or we don't care to check. Still
2092 # notify of subdirs not getting built.
2093 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2094 echo " ${notsupp}" 1>&2
2095 echo " (Any other directories should still work fine.)" 1>&2
2103 # To find our prefix, in gcc_cv_tool_prefix.
2108 AC_ARG_WITH([build-sysroot],
2109 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2110 [use sysroot as the system root during the build])],
2111 [if test x"$withval" != x ; then
2112 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2114 [SYSROOT_CFLAGS_FOR_TARGET=])
2115 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2117 AC_ARG_WITH([debug-prefix-map],
2118 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2119 [map A to B, C to D ... in debug information])],
2120 [if test x"$withval" != x; then
2121 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2122 for debug_map in $withval; do
2123 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2126 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2127 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2129 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2130 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2131 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2132 # We want to ensure that TARGET libraries (which we know are built with
2133 # gcc) are built with "-O2 -g", so include those options when setting
2134 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2135 if test "x$CFLAGS_FOR_TARGET" = x; then
2136 CFLAGS_FOR_TARGET=$CFLAGS
2139 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2142 *" -g "* | *" -g3 "*) ;;
2143 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2146 AC_SUBST(CFLAGS_FOR_TARGET)
2148 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2149 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2150 case " $CXXFLAGS " in
2152 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2154 case " $CXXFLAGS " in
2155 *" -g "* | *" -g3 "*) ;;
2156 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2159 AC_SUBST(CXXFLAGS_FOR_TARGET)
2161 AC_SUBST(LDFLAGS_FOR_TARGET)
2163 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2164 # the named directory are copied to $(tooldir)/sys-include.
2165 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2166 if test x${is_cross_compiler} = xno ; then
2167 echo 1>&2 '***' --with-headers is only supported when cross compiling
2170 if test x"${with_headers}" != xyes ; then
2171 x=${gcc_cv_tool_prefix}
2172 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2176 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2177 # the name directories are copied to $(tooldir)/lib. Multiple directories
2179 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2180 if test x${is_cross_compiler} = xno ; then
2181 echo 1>&2 '***' --with-libs is only supported when cross compiling
2184 if test x"${with_libs}" != xyes ; then
2185 # Copy the libraries in reverse order, so that files in the first named
2186 # library override files in subsequent libraries.
2187 x=${gcc_cv_tool_prefix}
2188 for l in ${with_libs}; do
2189 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2194 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2196 # This is done by determining whether or not the appropriate directory
2197 # is available, and by checking whether or not specific configurations
2198 # have requested that this magic not happen.
2200 # The command line options always override the explicit settings in
2201 # configure.in, and the settings in configure.in override this magic.
2203 # If the default for a toolchain is to use GNU as and ld, and you don't
2204 # want to do that, then you should use the --without-gnu-as and
2205 # --without-gnu-ld options for the configure script. Similarly, if
2206 # the default is to use the included zlib and you don't want to do that,
2207 # you should use the --with-system-zlib option for the configure script.
2209 if test x${use_gnu_as} = x &&
2210 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2212 extra_host_args="$extra_host_args --with-gnu-as"
2215 if test x${use_gnu_ld} = x &&
2216 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2218 extra_host_args="$extra_host_args --with-gnu-ld"
2221 if test x${use_included_zlib} = x &&
2222 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2225 with_system_zlib=yes
2226 extra_host_args="$extra_host_args --with-system-zlib"
2229 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2230 # can detect this case.
2232 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2234 extra_host_args="$extra_host_args --with-newlib"
2237 # Handle ${copy_dirs}
2238 set fnord ${copy_dirs}
2240 while test $# != 0 ; do
2241 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2244 echo Copying $1 to $2
2246 # Use the install script to create the directory and all required
2247 # parent directories.
2248 if test -d $2 ; then
2252 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2255 # Copy the directory, assuming we have tar.
2256 # FIXME: Should we use B in the second tar? Not all systems support it.
2257 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2259 # It is the responsibility of the user to correctly adjust all
2260 # symlinks. If somebody can figure out how to handle them correctly
2261 # here, feel free to add the code.
2268 # Determine a target-dependent exec_prefix that the installed
2269 # gcc will search in. Keep this list sorted by triplet, with
2270 # the *-*-osname triplets last.
2273 i[[34567]]86-pc-msdosdjgpp*)
2274 md_exec_prefix=/dev/env/DJDIR/bin
2279 md_exec_prefix=/usr/ccs/bin
2283 extra_arflags_for_target=
2284 extra_nmflags_for_target=
2285 extra_ranlibflags_for_target=
2286 target_makefile_frag=/dev/null
2289 target_makefile_frag="config/mt-spu"
2291 mips*-sde-elf* | mips*-mti-elf*)
2292 target_makefile_frag="config/mt-sde"
2294 mipsisa*-*-elfoabi*)
2295 target_makefile_frag="config/mt-mips-elfoabi"
2297 mips*-*-*linux* | mips*-*-gnu*)
2298 target_makefile_frag="config/mt-mips-gnu"
2300 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2301 target_makefile_frag="config/mt-gnu"
2303 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2304 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2305 # commands to handle both 32-bit and 64-bit objects. These flags are
2306 # harmless if we're using GNU nm or ar.
2307 extra_arflags_for_target=" -X32_64"
2308 extra_nmflags_for_target=" -B -X32_64"
2312 alphaieee_frag=/dev/null
2315 # This just makes sure to use the -mieee option to build target libs.
2316 # This should probably be set individually by each library.
2317 alphaieee_frag="config/mt-alphaieee"
2321 # If --enable-target-optspace always use -Os instead of -O2 to build
2322 # the target libraries, similarly if it is not specified, use -Os
2323 # on selected platforms.
2324 ospace_frag=/dev/null
2325 case "${enable_target_optspace}:${target}" in
2327 ospace_frag="config/mt-ospace"
2330 ospace_frag="config/mt-d30v"
2332 :m32r-* | :d10v-* | :fr30-*)
2333 ospace_frag="config/mt-ospace"
2338 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2342 # Some systems (e.g., one of the i386-aix systems the gas testers are
2343 # using) don't handle "\$" correctly, so don't use it here.
2344 tooldir='${exec_prefix}'/${target_noncanonical}
2345 build_tooldir=${tooldir}
2347 # Create a .gdbinit file which runs the one in srcdir
2348 # and tells GDB to look there for source files.
2350 if test -r ${srcdir}/.gdbinit ; then
2353 *) cat > ./.gdbinit <<EOF
2357 source ${srcdir}/.gdbinit
2363 # Make sure that the compiler is able to generate an executable. If it
2364 # can't, we are probably in trouble. We don't care whether we can run the
2365 # executable--we might be using a cross compiler--we only care whether it
2366 # can be created. At this point the main configure script has set CC.
2368 echo "int main () { return 0; }" > conftest.c
2369 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2370 if test $? = 0 ; then
2371 if test -s conftest || test -s conftest.exe ; then
2377 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2378 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2385 # Decide which environment variable is used to find dynamic libraries.
2387 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2388 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2389 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2390 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2393 # On systems where the dynamic library environment variable is PATH,
2394 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2395 # built executables to PATH.
2396 if test "$RPATH_ENVVAR" = PATH; then
2397 GCC_SHLIB_SUBDIR=/shlib
2402 # Record target_configdirs and the configure arguments for target and
2403 # build configuration in Makefile.
2404 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2405 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2407 # If we are building libgomp, bootstrap it.
2408 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2409 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2412 # Determine whether gdb needs tk/tcl or not.
2413 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2414 # and in that case we want gdb to be built without tk. Ugh!
2415 # In fact I believe gdb is the *only* package directly dependent on tk,
2416 # so we should be able to put the 'maybe's in unconditionally and
2417 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2418 # 100% sure that that's safe though.
2420 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2421 case "$enable_gdbtk" in
2425 GDB_TK="${gdb_tk}" ;;
2427 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2428 # distro. Eventually someone will fix this and move Insight, nee
2429 # gdbtk to a separate directory.
2430 if test -d ${srcdir}/gdb/gdbtk ; then
2437 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2438 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2440 # Strip out unwanted targets.
2442 # While at that, we remove Makefiles if we were started for recursive
2443 # configuration, so that the top-level Makefile reconfigures them,
2444 # like we used to do when configure itself was recursive.
2446 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2447 # but now we're fixing up the Makefile ourselves with the additional
2448 # commands passed to AC_CONFIG_FILES. Use separate variables
2449 # extrasub-{build,host,target} not because there is any reason to split
2450 # the substitutions up that way, but only to remain below the limit of
2451 # 99 commands in a script, for HP-UX sed.
2452 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2454 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2455 yes:yes:*\ gold\ *:*,c++,*) ;;
2456 yes:yes:*\ gold\ *:*)
2457 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2461 # Adjust the toplevel makefile according to whether bootstrap was selected.
2462 case $enable_bootstrap in
2464 bootstrap_suffix=bootstrap
2465 BUILD_CONFIG=bootstrap-debug
2468 bootstrap_suffix=no-bootstrap
2473 AC_MSG_CHECKING(for default BUILD_CONFIG)
2475 AC_ARG_WITH([build-config],
2476 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2477 [use config/NAME.mk build configuration])],
2478 [case $with_build_config in
2479 yes) with_build_config= ;;
2480 no) with_build_config= BUILD_CONFIG= ;;
2483 if test "x${with_build_config}" != x; then
2484 BUILD_CONFIG=$with_build_config
2486 case $BUILD_CONFIG in
2488 if echo "int f (void) { return 0; }" > conftest.c &&
2489 ${CC} -c conftest.c &&
2490 mv conftest.o conftest.o.g0 &&
2491 ${CC} -c -g conftest.c &&
2492 mv conftest.o conftest.o.g &&
2493 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2498 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2502 AC_MSG_RESULT($BUILD_CONFIG)
2503 AC_SUBST(BUILD_CONFIG)
2506 for module in ${build_configdirs} ; do
2507 if test -z "${no_recursion}" \
2508 && test -f ${build_subdir}/${module}/Makefile; then
2509 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2510 rm -f ${build_subdir}/${module}/Makefile
2512 extrasub_build="$extrasub_build
2513 /^@if build-$module\$/d
2514 /^@endif build-$module\$/d
2515 /^@if build-$module-$bootstrap_suffix\$/d
2516 /^@endif build-$module-$bootstrap_suffix\$/d"
2519 for module in ${configdirs} ; do
2520 if test -z "${no_recursion}"; then
2521 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2522 if test -f ${file}; then
2523 echo 1>&2 "*** removing ${file} to force reconfigure"
2528 extrasub_host="$extrasub_host
2530 /^@endif $module\$/d
2531 /^@if $module-$bootstrap_suffix\$/d
2532 /^@endif $module-$bootstrap_suffix\$/d"
2535 for module in ${target_configdirs} ; do
2536 if test -z "${no_recursion}" \
2537 && test -f ${target_subdir}/${module}/Makefile; then
2538 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2539 rm -f ${target_subdir}/${module}/Makefile
2542 # We only bootstrap target libraries listed in bootstrap_target_libs.
2543 case $bootstrap_target_libs in
2544 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2545 *) target_bootstrap_suffix=no-bootstrap ;;
2548 extrasub_target="$extrasub_target
2549 /^@if target-$module\$/d
2550 /^@endif target-$module\$/d
2551 /^@if target-$module-$target_bootstrap_suffix\$/d
2552 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2555 # Do the final fixup along with target modules.
2556 extrasub_target="$extrasub_target
2557 /^@if /,/^@endif /d"
2559 # Create the serialization dependencies. This uses a temporary file.
2561 AC_ARG_ENABLE([serial-configure],
2562 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2563 [force sequential configuration of
2564 sub-packages for the host, target or build
2565 machine, or all sub-packages])])
2567 case ${enable_serial_configure} in
2569 enable_serial_build_configure=yes
2570 enable_serial_host_configure=yes
2571 enable_serial_target_configure=yes
2575 # These force 'configure's to be done one at a time, to avoid problems
2576 # with contention over a shared config.cache.
2578 echo '# serdep.tmp' > serdep.tmp
2580 test "x${enable_serial_build_configure}" = xyes &&
2581 for item in ${build_configdirs} ; do
2584 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2589 test "x${enable_serial_host_configure}" = xyes &&
2590 for item in ${configdirs} ; do
2593 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2598 test "x${enable_serial_target_configure}" = xyes &&
2599 for item in ${target_configdirs} ; do
2602 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2606 serialization_dependencies=serdep.tmp
2607 AC_SUBST_FILE(serialization_dependencies)
2609 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2610 # target, nonopt, and variable assignments. These are the ones we
2611 # might not want to pass down to subconfigures. The exception being
2612 # --cache-file=/dev/null, which is used to turn off the use of cache
2613 # files altogether, and which should be passed on to subconfigures.
2614 # Also strip program-prefix, program-suffix, and program-transform-name,
2615 # so that we can pass down a consistent program-transform-name.
2620 eval "set -- $ac_configure_args"
2623 if test X"$skip_next" = X"yes"; then
2627 if test X"$keep_next" = X"yes"; then
2630 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2632 baseargs="$baseargs '$ac_arg'"
2633 tbaseargs="$tbaseargs '$ac_arg'"
2638 # Handle separated arguments. Based on the logic generated by
2641 *=* | --config-cache | -C | -disable-* | --disable-* \
2642 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2643 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2644 | -with-* | --with-* | -without-* | --without-* | --x)
2658 --with-* | --without-*)
2659 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2663 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2666 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2675 mpc | mpfr | gmp | cloog)
2676 # If we're processing --with-$lib, --with-$lib-include or
2677 # --with-$lib-lib, for one of the libs above, and target is
2678 # different from host, don't pass the current argument to any
2679 # target library's configure.
2680 if test x$is_cross_compiler = xyes; then
2689 --cache-file=/dev/null | \
2690 -cache-file=/dev/null )
2691 # Handled here to avoid the test to skip args below.
2692 baseargs="$baseargs '$ac_arg'"
2693 tbaseargs="$tbaseargs '$ac_arg'"
2694 # Assert: $separate_arg should always be no.
2695 keep_next=$separate_arg
2711 -program-prefix* | \
2712 -program-suffix* | \
2713 -program-transform-name* )
2714 skip_next=$separate_arg
2718 # An option. Add it.
2721 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2723 baseargs="$baseargs '$ac_arg'"
2724 if test X"$skip_targ" = Xno; then
2725 tbaseargs="$tbaseargs '$ac_arg'"
2727 keep_next=$separate_arg
2730 # Either a variable assignment, or a nonopt (triplet). Don't
2731 # pass it down; let the Makefile handle this.
2736 # Remove the initial space we just introduced and, as these will be
2737 # expanded by make, quote '$'.
2738 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2740 # Add in --program-transform-name, after --program-prefix and
2741 # --program-suffix have been applied to it. Autoconf has already
2742 # doubled dollar signs and backslashes in program_transform_name; we want
2743 # the backslashes un-doubled, and then the entire thing wrapped in single
2744 # quotes, because this will be expanded first by make and then by the shell.
2745 # Also, because we want to override the logic in subdir configure scripts to
2746 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2747 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2748 ${program_transform_name}
2750 gcc_transform_name=`cat conftestsed.out`
2751 rm -f conftestsed.out
2752 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2753 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2754 if test "$silent" = yes; then
2755 baseargs="$baseargs --silent"
2756 tbaseargs="$tbaseargs --silent"
2758 baseargs="$baseargs --disable-option-checking"
2759 tbaseargs="$tbaseargs --disable-option-checking"
2761 # Record and document user additions to sub configure arguments.
2762 AC_ARG_VAR([build_configargs],
2763 [additional configure arguments for build directories])
2764 AC_ARG_VAR([host_configargs],
2765 [additional configure arguments for host directories])
2766 AC_ARG_VAR([target_configargs],
2767 [additional configure arguments for target directories])
2769 # For the build-side libraries, we just need to pretend we're native,
2770 # and not use the same cache file. Multilibs are neither needed nor
2772 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2774 # For host modules, accept cache file option, or specification as blank.
2775 case "${cache_file}" in
2777 cache_file_option="" ;;
2778 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2779 cache_file_option="--cache-file=${cache_file}" ;;
2781 cache_file_option="--cache-file=../${cache_file}" ;;
2784 # Host dirs don't like to share a cache file either, horribly enough.
2785 # This seems to be due to autoconf 2.5x stupidity.
2786 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2788 target_configargs="$target_configargs ${tbaseargs}"
2790 # Passing a --with-cross-host argument lets the target libraries know
2791 # whether they are being built with a cross-compiler or being built
2792 # native. However, it would be better to use other mechanisms to make the
2793 # sorts of decisions they want to make on this basis. Please consider
2794 # this option to be deprecated. FIXME.
2795 if test x${is_cross_compiler} = xyes ; then
2796 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2799 # Default to --enable-multilib.
2800 if test x${enable_multilib} = x ; then
2801 target_configargs="--enable-multilib ${target_configargs}"
2804 # Pass --with-newlib if appropriate. Note that target_configdirs has
2805 # changed from the earlier setting of with_newlib.
2806 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2807 target_configargs="--with-newlib ${target_configargs}"
2810 # Different target subdirs use different values of certain variables
2811 # (notably CXX). Worse, multilibs use *lots* of different values.
2812 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2813 # it doesn't automatically accept command-line overrides of them.
2814 # This means it's not safe for target subdirs to share a cache file,
2815 # which is disgusting, but there you have it. Hopefully this can be
2816 # fixed in future. It's still worthwhile to use a cache file for each
2817 # directory. I think.
2819 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2820 # We need to pass --target, as newer autoconf's requires consistency
2821 # for target_alias and gcc doesn't manage it consistently.
2822 target_configargs="--cache-file=./config.cache ${target_configargs}"
2825 case " $target_configdirs " in
2827 case " $target_configargs " in
2828 *" --with-newlib "*)
2831 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include'
2835 # If we're not building GCC, don't discard standard headers.
2836 if test -d ${srcdir}/gcc; then
2837 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2839 if test "${build}" != "${host}"; then
2840 # On Canadian crosses, CC_FOR_TARGET will have already been set
2841 # by `configure', so we won't have an opportunity to add -Bgcc/
2842 # to it. This is right: we don't want to search that directory
2843 # for binaries, but we want the header files in there, so add
2845 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2847 # Someone might think of using the pre-installed headers on
2848 # Canadian crosses, in case the installed compiler is not fully
2849 # compatible with the compiler being built. In this case, it
2850 # would be better to flag an error than risking having
2851 # incompatible object files being constructed. We can't
2852 # guarantee that an error will be flagged, but let's hope the
2853 # compiler will do it, when presented with incompatible header
2858 case "${target}-${is_cross_compiler}" in
2859 i[[3456789]]86-*-linux*-no)
2860 # Here host == target, so we don't need to build gcc,
2861 # so we don't want to discard standard headers.
2862 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2865 # If we're building newlib, use its generic headers last, but search
2866 # for any libc-related directories first (so make it the last -B
2868 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2870 # If we're building libgloss, find the startup file, simulator library
2871 # and linker script.
2872 case " $target_configdirs " in
2874 # Look for startup file, simulator library and maybe linker script.
2875 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2876 # Look for libnosys.a in case the target needs it.
2877 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2878 # Most targets have the linker script in the source directory.
2879 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2890 x86_64-*mingw* | *-w64-mingw*)
2891 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2892 # however, use a symlink named 'mingw' in ${prefix} .
2893 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2896 # MinGW can't be handled as Cygwin above since it does not use newlib.
2897 FLAGS_FOR_TARGET=$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'
2901 # Allow the user to override the flags for
2902 # our build compiler if desired.
2903 if test x"${build}" = x"${host}" ; then
2904 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2905 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2906 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2909 # On Canadian crosses, we'll be searching the right directories for
2910 # the previously-installed cross compiler, so don't bother to add
2911 # flags for directories within the install tree of the compiler
2912 # being built; programs in there won't even run.
2913 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2914 # Search for pre-installed headers if nothing else fits.
2915 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2918 if test "x${use_gnu_ld}" = x &&
2919 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2920 # Arrange for us to find uninstalled linker scripts.
2921 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2924 # Search for other target-specific linker scripts and such.
2927 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2931 # Makefile fragments.
2932 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2934 eval fragval=\$$frag
2935 if test $fragval != /dev/null; then
2936 eval $frag=${srcdir}/$fragval
2939 AC_SUBST_FILE(host_makefile_frag)
2940 AC_SUBST_FILE(target_makefile_frag)
2941 AC_SUBST_FILE(alphaieee_frag)
2942 AC_SUBST_FILE(ospace_frag)
2944 # Miscellanea: directories, flags, etc.
2945 AC_SUBST(RPATH_ENVVAR)
2946 AC_SUBST(GCC_SHLIB_SUBDIR)
2948 AC_SUBST(build_tooldir)
2949 AC_SUBST(CONFIGURE_GDB_TK)
2951 AC_SUBST(INSTALL_GDB_TK)
2953 # Build module lists & subconfigure args.
2954 AC_SUBST(build_configargs)
2955 AC_SUBST(build_configdirs)
2957 # Host module lists & subconfigure args.
2958 AC_SUBST(host_configargs)
2959 AC_SUBST(configdirs)
2960 AC_SUBST(target_configdirs)
2962 # Target module lists & subconfigure args.
2963 AC_SUBST(target_configargs)
2967 AC_SUBST(AR_FOR_BUILD)
2968 AC_SUBST(AS_FOR_BUILD)
2969 AC_SUBST(CC_FOR_BUILD)
2970 AC_SUBST(CFLAGS_FOR_BUILD)
2971 AC_SUBST(CXXFLAGS_FOR_BUILD)
2972 AC_SUBST(CXX_FOR_BUILD)
2973 AC_SUBST(DLLTOOL_FOR_BUILD)
2974 AC_SUBST(GCJ_FOR_BUILD)
2975 AC_SUBST(GFORTRAN_FOR_BUILD)
2976 AC_SUBST(GOC_FOR_BUILD)
2977 AC_SUBST(LDFLAGS_FOR_BUILD)
2978 AC_SUBST(LD_FOR_BUILD)
2979 AC_SUBST(NM_FOR_BUILD)
2980 AC_SUBST(RANLIB_FOR_BUILD)
2981 AC_SUBST(WINDMC_FOR_BUILD)
2982 AC_SUBST(WINDRES_FOR_BUILD)
2984 # Generate default definitions for YACC, M4, LEX and other programs that run
2985 # on the build machine. These are used if the Makefile can't locate these
2986 # programs in objdir.
2987 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2989 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2990 case " $build_configdirs " in
2991 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2994 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2995 case " $build_configdirs " in
2996 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2999 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3000 case " $build_configdirs " in
3001 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3004 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3005 case " $build_configdirs " in
3006 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3007 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3010 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3011 case " $build_configdirs " in
3012 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3015 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3016 case " $build_configdirs " in
3017 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3020 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3021 # higher, else we use the "missing" dummy.
3022 if ${MAKEINFO} --version \
3023 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3026 MAKEINFO="$MISSING makeinfo"
3032 # FIXME: expect and dejagnu may become build tools?
3034 AC_CHECK_PROGS(EXPECT, expect, expect)
3035 case " $configdirs " in
3037 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3041 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3042 case " $configdirs " in
3044 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3050 NCN_STRICT_CHECK_TOOLS(AR, ar)
3051 NCN_STRICT_CHECK_TOOLS(AS, as)
3052 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3053 NCN_STRICT_CHECK_TOOLS(LD, ld)
3054 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3055 NCN_STRICT_CHECK_TOOLS(NM, nm)
3056 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3057 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3058 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3059 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3060 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3061 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3062 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3069 AC_ARG_WITH([build-time-tools],
3070 [AS_HELP_STRING([--with-build-time-tools=PATH],
3071 [use given path to find target tools during the build])],
3072 [case x"$withval" in
3075 with_build_time_tools=
3076 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3079 [with_build_time_tools=])
3081 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3082 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3083 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3084 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3085 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3086 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3088 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3089 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3090 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3091 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3092 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3093 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3094 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3095 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3096 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3097 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3098 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3099 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3101 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3103 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3104 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3105 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3106 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3107 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3108 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3110 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3111 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3113 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3114 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3115 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3116 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3117 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3118 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3119 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3120 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3121 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3122 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3123 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3124 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3125 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3126 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3127 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3128 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3129 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3131 AC_SUBST(FLAGS_FOR_TARGET)
3132 AC_SUBST(RAW_CXX_FOR_TARGET)
3134 # Certain tools may need extra flags.
3135 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3136 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3137 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3139 # When building target libraries, except in a Canadian cross, we use
3140 # the same toolchain as the compiler we just built.
3141 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3142 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3143 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3144 if test $host = $build; then
3145 case " $configdirs " in
3147 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3148 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3149 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3154 AC_SUBST(COMPILER_AS_FOR_TARGET)
3155 AC_SUBST(COMPILER_LD_FOR_TARGET)
3156 AC_SUBST(COMPILER_NM_FOR_TARGET)
3158 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3159 AC_ARG_ENABLE(maintainer-mode,
3160 [AS_HELP_STRING([--enable-maintainer-mode],
3161 [enable make rules and dependencies not useful
3162 (and sometimes confusing) to the casual installer])],
3163 USE_MAINTAINER_MODE=$enableval,
3164 USE_MAINTAINER_MODE=no)
3165 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3166 AC_SUBST(MAINTAINER_MODE_TRUE)
3167 AC_SUBST(MAINTAINER_MODE_FALSE)
3168 if test "$USE_MAINTAINER_MODE" = yes; then
3169 MAINTAINER_MODE_TRUE=
3170 MAINTAINER_MODE_FALSE='#'
3172 MAINTAINER_MODE_TRUE='#'
3173 MAINTAINER_MODE_FALSE=
3175 MAINT=$MAINTAINER_MODE_TRUE
3178 # ---------------------
3179 # GCC bootstrap support
3180 # ---------------------
3182 # Stage specific cflags for build.
3187 yes) stage1_cflags="-g -Wa,-J" ;;
3188 *) stage1_cflags="-g -J" ;;
3192 AC_SUBST(stage1_cflags)
3194 # Enable --enable-checking in stage1 of the compiler.
3195 AC_ARG_ENABLE(stage1-checking,
3196 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3197 [choose additional checking for stage1 of the compiler])],
3198 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3199 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3200 stage1_checking=--enable-checking=yes,types
3202 stage1_checking=--enable-checking=$enable_checking,types
3204 AC_SUBST(stage1_checking)
3206 # Enable -Werror in bootstrap stage2 and later.
3207 AC_ARG_ENABLE(werror,
3208 [AS_HELP_STRING([--enable-werror],
3209 [enable -Werror in bootstrap stage2 and later])], [],
3210 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3215 case ${enable_werror} in
3216 yes) stage2_werror_flag="--enable-werror-always" ;;
3217 *) stage2_werror_flag="" ;;
3219 AC_SUBST(stage2_werror_flag)
3221 # Specify what files to not compare during bootstrap.
3223 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3225 hppa*64*-*-hpux*) ;;
3226 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3227 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3229 AC_SUBST(compare_exclusions)
3231 AC_CONFIG_FILES([Makefile],
3232 [sed "$extrasub_build" Makefile |
3233 sed "$extrasub_host" |
3234 sed "$extrasub_target" > mf$$
3235 mv -f mf$$ Makefile],
3236 [extrasub_build="$extrasub_build"
3237 extrasub_host="$extrasub_host"
3238 extrasub_target="$extrasub_target"])