1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/cloog.m4])
33 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 ### we might need to use some other shell than /bin/sh for running subshells
93 ### If we are on Windows, search for the shell. This will permit people
94 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
95 ### without also having to set CONFIG_SHELL. This code will work when
96 ### using bash, which sets OSTYPE.
99 if test x${CONFIG_SHELL} = x ; then
100 if test ! -f /bin/sh ; then
101 if test x${SHELL} != x && test -f ${SHELL} ; then
102 CONFIG_SHELL=${SHELL}
105 for prog in sh sh.exe bash bash.exe; do
106 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
108 test -z "$dir" && dir=.
109 if test -f $dir/$prog; then
110 CONFIG_SHELL=$dir/$prog
116 test -n "${CONFIG_SHELL}" && break
124 config_shell=${CONFIG_SHELL-/bin/sh}
126 moveifchange=${srcdir}/move-if-change
128 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
130 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
132 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
133 INSTALL="${srcpwd}/install-sh -c"
136 # Set srcdir to "." if that's what it is.
137 # This is important for multilib support.
139 if test "${pwd}" = "${srcpwd}" ; then
147 ### To add a new directory to the tree, first choose whether it is a target
148 ### or a host dependent tool. Then put it into the appropriate list
149 ### (library or tools, host or target), doing a dependency sort.
151 # Subdirs will be configured in the order listed in build_configdirs,
152 # configdirs, or target_configdirs; see the serialization section below.
154 # Dependency sorting is only needed when *configuration* must be done in
155 # a particular order. In all cases a dependency should be specified in
156 # the Makefile, whether or not it's implicitly specified here.
158 # Double entries in build_configdirs, configdirs, or target_configdirs may
159 # cause circular dependencies and break everything horribly.
161 # these library is used by various programs built for the build
164 build_libs="build-libiberty"
166 # these tools are built for the build environment
167 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
169 # these libraries are used by various programs built for the host environment
171 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
173 # these tools are built for the host environment
174 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
175 # know that we are building the simulator.
176 # binutils, gas and ld appear in that order because it makes sense to run
177 # "make check" in that particular order.
178 # If --enable-gold is used, "gold" may replace "ld".
179 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
181 # libgcj represents the runtime libraries only used by gcj.
182 libgcj="target-libffi \
187 # these libraries are built for the target environment, and are built after
188 # the host libraries and the host tools (which may be a cross compiler)
190 target_libraries="target-libgcc \
195 target-libstdc++-v3 \
206 # these tools are built using the target libraries, and are intended to
207 # run only in the target environment
209 # note: any program that *uses* libraries that are in the "target_libraries"
210 # list belongs in this list.
212 target_tools="target-examples target-gperf target-rda"
214 ################################################################################
216 ## All tools belong in one of the four categories, and are assigned above
217 ## We assign ${configdirs} this way to remove all embedded newlines. This
218 ## is important because configure will choke if they ever get through.
219 ## ${configdirs} is directories we build using the host tools.
220 ## ${target_configdirs} is directories we build using the target tools.
221 configdirs=`echo ${host_libs} ${host_tools}`
222 target_configdirs=`echo ${target_libraries} ${target_tools}`
223 build_configdirs=`echo ${build_libs} ${build_tools}`
225 m4_divert_text([PARSE_ARGS],
228 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
229 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
230 m4_popdef([AS_MESSAGE_LOG_FD])dnl
233 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
236 ################################################################################
238 srcname="gnu development package"
240 # This gets set non-empty for some net releases of packages.
243 # Define is_cross_compiler to save on calls to 'test'.
245 if test x"${host}" = x"${target}" ; then
248 is_cross_compiler=yes
251 # Find the build and target subdir names.
253 # Be sure to cover against remnants of an in-tree build.
254 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
255 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
256 Use a pristine source tree when building in a separate tree])
259 # Skipdirs are removed silently.
261 # Noconfigdirs are removed loudly.
265 # Make sure we don't let GNU ld be added if we didn't want it.
266 if test x$with_gnu_ld = xno ; then
268 noconfigdirs="$noconfigdirs ld gold"
272 # Make sure we don't let GNU as be added if we didn't want it.
273 if test x$with_gnu_as = xno ; then
275 noconfigdirs="$noconfigdirs gas"
279 # Make sure we don't let ZLIB be added if we didn't want it.
280 if test x$with_system_zlib = xyes ; then
282 noconfigdirs="$noconfigdirs zlib"
285 # some tools are so dependent upon X11 that if we're not building with X,
286 # it's not even worth trying to configure, much less build, that tool.
289 yes | "") ;; # the default value for this tree is that X11 is available
291 skipdirs="${skipdirs} tk itcl libgui"
292 # We won't be able to build gdbtk without X.
295 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
298 # Some are only suitable for cross toolchains.
299 # Remove these if host=target.
300 cross_only="target-libgloss target-newlib target-opcodes"
302 case $is_cross_compiler in
303 no) skipdirs="${skipdirs} ${cross_only}" ;;
306 # If both --with-headers and --with-libs are specified, default to
308 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
309 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
310 if test x"${with_newlib}" = x ; then
315 # Recognize --with-newlib/--without-newlib.
316 case ${with_newlib} in
317 no) skipdirs="${skipdirs} target-newlib" ;;
318 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
321 # Handle --enable-gold, --enable-ld.
322 # --disable-gold [--enable-ld]
323 # Build only ld. Default option.
324 # --enable-gold [--enable-ld]
325 # Build both gold and ld. Install gold as "ld.gold", install ld
326 # as "ld.bfd" and "ld".
327 # --enable-gold=default [--enable-ld]
328 # Build both gold and ld. Install gold as "ld.gold" and "ld",
329 # install ld as "ld.bfd".
330 # --enable-gold[=default] --disable-ld
331 # Build only gold, which is then installed as both "ld.gold" and "ld".
332 # --enable-gold --enable-ld=default
333 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
335 # In other words, ld is default
336 # --enable-gold=default --enable-ld=default
341 [AS_HELP_STRING([[--enable-gold[=ARG]]],
342 [build gold @<:@ARG={default,yes,no}@:>@])],
343 ENABLE_GOLD=$enableval,
345 case "${ENABLE_GOLD}" in
347 # Check for ELF target.
350 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
351 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
352 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
353 | *-*-solaris2* | *-*-nto*)
355 *-*-linux*aout* | *-*-linux*oldld*)
363 if test "$is_elf" = "yes"; then
364 # Check for target supported by gold.
366 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
367 configdirs="$configdirs gold"
368 if test x${ENABLE_GOLD} = xdefault; then
379 AC_MSG_ERROR([invalid --enable-gold argument])
384 [AS_HELP_STRING([[--enable-ld[=ARG]]],
385 [build ld @<:@ARG={default,yes,no}@:>@])],
386 ENABLE_LD=$enableval,
389 case "${ENABLE_LD}" in
391 if test x${default_ld} != x; then
392 AC_MSG_ERROR([either gold or ld can be the default ld])
398 if test x${ENABLE_GOLD} != xyes; then
399 AC_MSG_WARN([neither ld nor gold are enabled])
401 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
404 AC_MSG_ERROR([invalid --enable-ld argument])
408 # Configure extra directories which are host specific
412 configdirs="$configdirs libtermcap" ;;
415 # A target can indicate whether a language isn't supported for some reason.
416 # Only spaces may be used in this macro; not newlines or tabs.
417 unsupported_languages=
419 # Remove more programs from consideration, based on the host or
420 # target this usually means that a port of the program doesn't
424 i[[3456789]]86-*-msdosdjgpp*)
425 noconfigdirs="$noconfigdirs tcl tk itcl"
430 AC_ARG_ENABLE(libquadmath,
431 AS_HELP_STRING([--disable-libquadmath],
432 [do not build libquadmath directory]),
433 ENABLE_LIBQUADMATH=$enableval,
434 ENABLE_LIBQUADMATH=yes)
435 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
436 noconfigdirs="$noconfigdirs target-libquadmath"
440 AC_ARG_ENABLE(libquadmath-support,
441 AS_HELP_STRING([--disable-libquadmath-support],
442 [disable libquadmath support for Fortran]),
443 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
444 ENABLE_LIBQUADMATH_SUPPORT=yes)
445 enable_libquadmath_support=
446 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
447 enable_libquadmath_support=no
451 AC_ARG_ENABLE(libada,
452 [AS_HELP_STRING([--enable-libada], [build libada directory])],
453 ENABLE_LIBADA=$enableval,
455 if test "${ENABLE_LIBADA}" != "yes" ; then
456 noconfigdirs="$noconfigdirs gnattools"
459 AC_ARG_ENABLE(libssp,
460 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
461 ENABLE_LIBSSP=$enableval,
464 # Save it here so that, even in case of --enable-libgcj, if the Java
465 # front-end isn't enabled, we still get libgcj disabled.
467 case $enable_libgcj in
469 # If we reset it here, it won't get added to noconfigdirs in the
470 # target-specific build rules, so it will be forcibly enabled
471 # (unless the Java language itself isn't enabled).
475 # Make sure we get it printed in the list of not supported target libs.
476 # Don't disable libffi, though, other languages use it.
477 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
478 # Clear libgcj_saved so that even if java is enabled libffi won't be
485 # Disable libmudflap on some systems.
486 if test x$enable_libmudflap = x ; then
488 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
489 # Enable libmudflap by default in GNU and friends.
492 # Enable libmudflap by default in FreeBSD.
495 # Disable it by default everywhere else.
496 noconfigdirs="$noconfigdirs target-libmudflap"
501 # Disable libgomp on non POSIX hosted systems.
502 if test x$enable_libgomp = x ; then
503 # Enable libgomp by default on hosted POSIX systems.
505 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
507 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
509 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
511 *-*-darwin* | *-*-aix*)
514 noconfigdirs="$noconfigdirs target-libgomp"
519 # Disable libssp for some systems.
522 noconfigdirs="$noconfigdirs target-libssp"
524 powerpc-*-aix* | rs6000-*-aix*)
525 noconfigdirs="$noconfigdirs target-libssp"
528 noconfigdirs="$noconfigdirs target-libssp"
532 # Disable target libiberty for some systems.
535 # Remove unsupported stuff on all kaOS configurations.
536 skipdirs="target-libiberty"
539 # Skip some stuff on all NetBSD configurations.
540 noconfigdirs="$noconfigdirs target-libiberty"
543 noconfigdirs="$noconfigdirs target-libiberty"
546 skipdirs="${skipdirs} target-libiberty"
549 noconfigdirs="$noconfigdirs target-libiberty"
552 noconfigdirs="$noconfigdirs target-libiberty"
554 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
555 noconfigdirs="$noconfigdirs target-libiberty"
558 noconfigdirs="$noconfigdirs target-libiberty"
561 noconfigdirs="$noconfigdirs target-libiberty"
563 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
564 noconfigdirs="$noconfigdirs target-libiberty"
567 noconfigdirs="$noconfigdirs target-libiberty"
570 skipdirs="$skipdirs target-libiberty"
573 noconfigdirs="$noconfigdirs target-libiberty"
577 # Disable libstdc++-v3 for some systems.
580 # VxWorks uses the Dinkumware C++ library.
581 noconfigdirs="$noconfigdirs target-libstdc++-v3"
584 # the C++ libraries don't build on top of CE's C libraries
585 noconfigdirs="$noconfigdirs target-libstdc++-v3"
588 noconfigdirs="$noconfigdirs target-libstdc++-v3"
592 # Disable Fortran for some systems.
595 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
596 unsupported_languages="$unsupported_languages fortran"
600 # Default libgloss CPU subdirectory.
601 libgloss_dir="$target_cpu"
605 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
608 noconfigdirs="$noconfigdirs ld gas gdb gprof"
609 noconfigdirs="$noconfigdirs sim target-rda"
611 i[[3456789]]86-*-darwin*)
612 noconfigdirs="$noconfigdirs ld gprof"
613 noconfigdirs="$noconfigdirs sim target-rda"
615 x86_64-*-darwin[[912]]*)
616 noconfigdirs="$noconfigdirs ld gas gprof"
617 noconfigdirs="$noconfigdirs sim target-rda"
620 noconfigdirs="$noconfigdirs ld gas gdb gprof"
621 noconfigdirs="$noconfigdirs sim target-rda"
622 noconfigdirs="$noconfigdirs ${libgcj}"
625 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
628 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
629 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
630 && test -f /usr/local/include/gmp.h; then
634 # Skip some stuff that's unsupported on some FreeBSD configurations.
640 noconfigdirs="$noconfigdirs ${libgcj}"
645 # Remove unsupported stuff on all kaOS configurations.
646 noconfigdirs="$noconfigdirs target-libgloss"
649 # Skip some stuff on all NetBSD configurations.
650 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
652 # Skip some stuff that's unsupported on some NetBSD configurations.
654 i*86-*-netbsdelf*) ;;
655 arm*-*-netbsdelf*) ;;
657 noconfigdirs="$noconfigdirs ${libgcj}"
662 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
665 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
667 # The tpf target doesn't support gdb yet.
669 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj} gdb tcl tk libgui itcl"
672 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
675 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
678 # ld works, but does not support shared libraries.
679 # newlib is not 64 bit ready.
680 # gas doesn't generate exception information.
681 noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
684 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
687 # newlib is not 64 bit ready
688 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
691 # newlib is not 64 bit ready
692 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
695 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
698 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
700 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
701 noconfigdirs="$noconfigdirs ${libgcj}"
702 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
703 noconfigdirs="$noconfigdirs target-newlib"
707 noconfigdirs="$noconfigdirs target-libgloss"
712 arm-*-elf* | arm*-*-eabi* )
713 noconfigdirs="$noconfigdirs target-libffi"
716 arm*-*-linux-gnueabi)
717 case ${with_newlib} in
718 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
723 noconfigdirs="$noconfigdirs ${libgcj}"
727 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
730 noconfigdirs="$noconfigdirs ld target-libgloss"
733 noconfigdirs="$noconfigdirs ${libgcj}"
736 unsupported_languages="$unsupported_languages java"
737 noconfigdirs="$noconfigdirs target-boehm-gc"
740 noconfigdirs="$noconfigdirs target-libgloss"
743 noconfigdirs="$noconfigdirs target-libgloss gdb"
746 noconfigdirs="$noconfigdirs ${libgcj} gdb"
748 cris-*-* | crisv32-*-*)
749 unsupported_languages="$unsupported_languages java"
752 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
753 *) # See PR46792 regarding target-libffi.
754 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
759 noconfigdirs="$noconfigdirs target-libgloss"
762 noconfigdirs="$noconfigdirs gdb"
765 noconfigdirs="$noconfigdirs ${libgcj} gdb"
768 noconfigdirs="$noconfigdirs ${libgcj}"
771 noconfigdirs="$noconfigdirs ${libgcj}"
772 noconfigdirs="$noconfigdirs gprof"
775 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
778 noconfigdirs="$noconfigdirs target-libgloss"
780 hppa1.1-*-osf* | hppa1.1-*-bsd* )
783 # In this case, it's because the hppa64-linux target is for
784 # the kernel only at this point and has no libc, and thus no
785 # headers, crt*.o, etc., all of which are needed by these.
786 noconfigdirs="$noconfigdirs target-zlib"
794 noconfigdirs="$noconfigdirs ${libgcj}"
797 noconfigdirs="$noconfigdirs ld"
804 # build on HP-UX 10.20.
805 noconfigdirs="$noconfigdirs ld ${libgcj}"
808 noconfigdirs="$noconfigdirs gdb"
811 # No gdb support yet.
812 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
816 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
819 # No gdb or ld support yet.
820 noconfigdirs="$noconfigdirs ${libgcj} readline libgui itcl gdb ld"
822 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
823 noconfigdirs="$noconfigdirs ${libgcj}"
826 i[[3456789]]86-*-linux*)
827 # This section makes it possible to build newlib natively on linux.
828 # If we are using a cross compiler then don't configure newlib.
829 if test x${is_cross_compiler} != xno ; then
830 noconfigdirs="$noconfigdirs target-newlib"
832 noconfigdirs="$noconfigdirs target-libgloss"
833 # If we are not using a cross compiler, do configure newlib.
834 # Note however, that newlib will only be configured in this situation
835 # if the --with-newlib option has been given, because otherwise
836 # 'target-newlib' will appear in skipdirs.
838 i[[3456789]]86-w64-mingw*)
839 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
841 i[[3456789]]86-*-mingw*)
842 target_configdirs="$target_configdirs target-winsup"
843 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
846 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
849 target_configdirs="$target_configdirs target-libtermcap target-winsup"
850 noconfigdirs="$noconfigdirs target-libgloss"
851 # always build newlib if winsup directory is present.
852 if test -d "$srcdir/winsup/cygwin"; then
853 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
854 elif test -d "$srcdir/newlib"; then
855 echo "Warning: winsup/cygwin is missing so newlib can't be built."
858 i[[3456789]]86-*-interix* )
861 noconfigdirs="$noconfigdirs target-libgloss"
863 i[[3456789]]86-*-sco3.2v5*)
864 # The linker does not yet know about weak symbols in COFF,
865 # and is not configured to handle mixed ELF and COFF.
866 noconfigdirs="$noconfigdirs ld target-libgloss"
868 i[[3456789]]86-*-sco*)
869 noconfigdirs="$noconfigdirs gprof target-libgloss"
871 i[[3456789]]86-*-solaris2*)
872 noconfigdirs="$noconfigdirs target-libgloss"
874 i[[3456789]]86-*-sysv4*)
875 noconfigdirs="$noconfigdirs target-libgloss"
877 i[[3456789]]86-*-beos*)
878 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
880 i[[3456789]]86-*-rdos*)
881 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
884 noconfigdirs="$noconfigdirs ${libgcj}"
886 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
890 noconfigdirs="$noconfigdirs ${libgcj}"
896 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb"
897 unsupported_languages="$unsupported_languages java"
900 noconfigdirs="$noconfigdirs sim"
903 # copied from rs6000-*-* entry
904 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
906 powerpc*-*-winnt* | powerpc*-*-pe*)
907 target_configdirs="$target_configdirs target-winsup"
908 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
909 # always build newlib.
910 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
912 # This is temporary until we can link against shared libraries
913 powerpcle-*-solaris*)
914 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
918 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
921 noconfigdirs="$noconfigdirs ${libgcj}"
924 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
928 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
931 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
934 noconfigdirs="$noconfigdirs gprof ${libgcj}"
937 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
940 noconfigdirs="$noconfigdirs gprof ${libgcj}"
943 noconfigdirs="$noconfigdirs ${libgcj}"
944 if test x$with_newlib = xyes; then
945 noconfigdirs="$noconfigdirs gprof"
950 noconfigdirs="$noconfigdirs gprof target-libgloss"
953 # Linking libjava exceeds command-line length limits on at least
954 # IRIX 6.2, but not on IRIX 6.5.
955 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
957 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
960 noconfigdirs="$noconfigdirs gprof target-libgloss"
963 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
966 noconfigdirs="$noconfigdirs gprof ${libgcj}"
972 noconfigdirs="$noconfigdirs ${libgcj}" ;;
974 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
977 sparclet-*-aout* | sparc86x-*-*)
981 noconfigdirs="$noconfigdirs ${libgcj}"
984 noconfigdirs="$noconfigdirs ${libgcj}"
991 if test x${is_cross_compiler} != xno ; then
992 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
997 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
1000 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
1003 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1006 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1008 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
1009 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1012 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
1015 noconfigdirs="$noconfigdirs ${libgcj}"
1019 # If we aren't building newlib, then don't build libgloss, since libgloss
1020 # depends upon some newlib header files.
1021 case "${noconfigdirs}" in
1022 *target-libgloss*) ;;
1023 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1026 # Work in distributions that contain no compiler tools, like Autoconf.
1027 host_makefile_frag=/dev/null
1028 if test -d ${srcdir}/config ; then
1030 i[[3456789]]86-*-msdosdjgpp*)
1031 host_makefile_frag="config/mh-djgpp"
1034 ACX_CHECK_CYGWIN_CAT_WORKS
1035 host_makefile_frag="config/mh-cygwin"
1038 host_makefile_frag="config/mh-mingw"
1041 host_makefile_frag="config/mh-interix"
1044 host_makefile_frag="config/mh-pa-hpux10"
1047 host_makefile_frag="config/mh-pa"
1050 host_makefile_frag="config/mh-pa"
1053 host_makefile_frag="config/mh-darwin"
1056 host_makefile_frag="config/mh-ppc-aix"
1059 host_makefile_frag="config/mh-ppc-aix"
1064 if test "${build}" != "${host}" ; then
1065 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1066 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1067 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1068 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1069 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1070 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1071 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1072 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1073 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1074 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1075 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1076 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1077 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1079 AR_FOR_BUILD="\$(AR)"
1080 AS_FOR_BUILD="\$(AS)"
1081 CC_FOR_BUILD="\$(CC)"
1082 CXX_FOR_BUILD="\$(CXX)"
1083 GCJ_FOR_BUILD="\$(GCJ)"
1084 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1085 GOC_FOR_BUILD="\$(GOC)"
1086 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1087 LD_FOR_BUILD="\$(LD)"
1088 NM_FOR_BUILD="\$(NM)"
1089 RANLIB_FOR_BUILD="\$(RANLIB)"
1090 WINDRES_FOR_BUILD="\$(WINDRES)"
1091 WINDMC_FOR_BUILD="\$(WINDMC)"
1097 # We must set the default linker to the linker used by gcc for the correct
1098 # operation of libtool. If LD is not defined and we are using gcc, try to
1099 # set the LD default to the ld used by gcc.
1100 if test -z "$LD"; then
1101 if test "$GCC" = yes; then
1104 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1106 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1108 case $gcc_prog_ld in
1109 # Accept absolute paths.
1110 [[\\/]* | [A-Za-z]:[\\/]*)]
1111 LD="$gcc_prog_ld" ;;
1117 ACX_PROG_CMP_IGNORE_INITIAL
1119 # See if we are building gcc with C++.
1120 AC_ARG_ENABLE(build-with-cxx,
1121 [AS_HELP_STRING([--enable-build-with-cxx],
1122 [build with C++ compiler instead of C compiler])],
1123 ENABLE_BUILD_WITH_CXX=$enableval,
1124 ENABLE_BUILD_WITH_CXX=no)
1126 # Used for setting $lt_cv_objdir
1129 # Check for GMP, MPFR and MPC
1130 gmplibs="-lmpc -lmpfr -lgmp"
1134 # Specify a location for mpc
1135 # check for this first so it ends up on the link line before mpfr.
1137 [AS_HELP_STRING([--with-mpc=PATH],
1138 [specify prefix directory for installed MPC package.
1139 Equivalent to --with-mpc-include=PATH/include
1140 plus --with-mpc-lib=PATH/lib])])
1141 AC_ARG_WITH(mpc-include,
1142 [AS_HELP_STRING([--with-mpc-include=PATH],
1143 [specify directory for installed MPC include files])])
1144 AC_ARG_WITH(mpc-lib,
1145 [AS_HELP_STRING([--with-mpc-lib=PATH],
1146 [specify directory for the installed MPC library])])
1148 if test "x$with_mpc" != x; then
1149 gmplibs="-L$with_mpc/lib $gmplibs"
1150 gmpinc="-I$with_mpc/include $gmpinc"
1152 if test "x$with_mpc_include" != x; then
1153 gmpinc="-I$with_mpc_include $gmpinc"
1155 if test "x$with_mpc_lib" != x; then
1156 gmplibs="-L$with_mpc_lib $gmplibs"
1158 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1159 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1160 gmpinc='-I$$s/mpc/src '"$gmpinc"
1161 # Do not test the mpc version. Assume that it is sufficient, since
1162 # it is in the source tree, and the library has not been built yet
1163 # but it would be included on the link line in the version check below
1164 # hence making the test fail.
1168 # Specify a location for mpfr
1169 # check for this first so it ends up on the link line before gmp.
1170 AC_ARG_WITH(mpfr-dir,
1171 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1172 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1173 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1176 [AS_HELP_STRING([--with-mpfr=PATH],
1177 [specify prefix directory for installed MPFR package.
1178 Equivalent to --with-mpfr-include=PATH/include
1179 plus --with-mpfr-lib=PATH/lib])])
1180 AC_ARG_WITH(mpfr-include,
1181 [AS_HELP_STRING([--with-mpfr-include=PATH],
1182 [specify directory for installed MPFR include files])])
1183 AC_ARG_WITH(mpfr-lib,
1184 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1185 [specify directory for the installed MPFR library])])
1187 if test "x$with_mpfr" != x; then
1188 gmplibs="-L$with_mpfr/lib $gmplibs"
1189 gmpinc="-I$with_mpfr/include $gmpinc"
1191 if test "x$with_mpfr_include" != x; then
1192 gmpinc="-I$with_mpfr_include $gmpinc"
1194 if test "x$with_mpfr_lib" != x; then
1195 gmplibs="-L$with_mpfr_lib $gmplibs"
1197 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1198 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1199 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1200 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1201 # Do not test the mpfr version. Assume that it is sufficient, since
1202 # it is in the source tree, and the library has not been built yet
1203 # but it would be included on the link line in the version check below
1204 # hence making the test fail.
1208 # Specify a location for gmp
1209 AC_ARG_WITH(gmp-dir,
1210 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1211 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1212 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1215 [AS_HELP_STRING([--with-gmp=PATH],
1216 [specify prefix directory for the installed GMP package.
1217 Equivalent to --with-gmp-include=PATH/include
1218 plus --with-gmp-lib=PATH/lib])])
1219 AC_ARG_WITH(gmp-include,
1220 [AS_HELP_STRING([--with-gmp-include=PATH],
1221 [specify directory for installed GMP include files])])
1222 AC_ARG_WITH(gmp-lib,
1223 [AS_HELP_STRING([--with-gmp-lib=PATH],
1224 [specify directory for the installed GMP library])])
1227 if test "x$with_gmp" != x; then
1228 gmplibs="-L$with_gmp/lib $gmplibs"
1229 gmpinc="-I$with_gmp/include $gmpinc"
1231 if test "x$with_gmp_include" != x; then
1232 gmpinc="-I$with_gmp_include $gmpinc"
1234 if test "x$with_gmp_lib" != x; then
1235 gmplibs="-L$with_gmp_lib $gmplibs"
1237 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1238 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1239 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1240 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1241 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1242 # Do not test the gmp version. Assume that it is sufficient, since
1243 # it is in the source tree, and the library has not been built yet
1244 # but it would be included on the link line in the version check below
1245 # hence making the test fail.
1249 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1251 saved_CFLAGS="$CFLAGS"
1252 CFLAGS="$CFLAGS $gmpinc"
1253 # Check for the recommended and required versions of GMP.
1254 AC_MSG_CHECKING([for the correct version of gmp.h])
1255 AC_TRY_COMPILE([#include "gmp.h"],[
1256 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1257 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1258 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1261 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1262 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1263 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1264 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1267 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1268 [AC_MSG_RESULT([no]); have_gmp=no])
1270 # If we have GMP, check the MPFR version.
1271 if test x"$have_gmp" = xyes; then
1272 # Check for the recommended and required versions of MPFR.
1273 AC_MSG_CHECKING([for the correct version of mpfr.h])
1274 AC_TRY_COMPILE([#include <gmp.h>
1275 #include <mpfr.h>],[
1276 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1279 ], [AC_TRY_COMPILE([#include <gmp.h>
1280 #include <mpfr.h>],[
1281 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1284 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1285 [AC_MSG_RESULT([no]); have_gmp=no])
1288 # Check for the MPC header version.
1289 if test x"$have_gmp" = xyes ; then
1290 # Check for the recommended and required versions of MPC.
1291 AC_MSG_CHECKING([for the correct version of mpc.h])
1292 AC_TRY_COMPILE([#include <mpc.h>],[
1293 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1296 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1297 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1300 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1301 [AC_MSG_RESULT([no]); have_gmp=no])
1304 # Now check the MPFR library.
1305 if test x"$have_gmp" = xyes; then
1307 LIBS="$LIBS $gmplibs"
1308 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1309 AC_TRY_LINK([#include <mpc.h>],[
1316 mpfr_atan2 (n, n, x, GMP_RNDN);
1317 mpfr_erfc (n, x, GMP_RNDN);
1318 mpfr_subnormalize (x, t, GMP_RNDN);
1322 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1323 mpc_cosh (c, c, MPC_RNDNN);
1324 mpc_pow (c, c, c, MPC_RNDNN);
1325 mpc_acosh (c, c, MPC_RNDNN);
1327 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1331 CFLAGS="$saved_CFLAGS"
1333 # The library versions listed in the error message below should match
1334 # the HARD-minimums enforced above.
1335 if test x$have_gmp != xyes; then
1336 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1337 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1338 their locations. Source code for these libraries can be found at
1339 their respective hosting sites as well as at
1340 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1341 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1342 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1343 make sure that you have installed both the libraries and the header
1344 files. They may be located in separate packages.])
1348 # Flags needed for both GMP, MPFR and/or MPC.
1351 AC_SUBST(extra_mpfr_configure_flags)
1352 AC_SUBST(extra_mpc_gmp_configure_flags)
1353 AC_SUBST(extra_mpc_mpfr_configure_flags)
1355 # Allow host libstdc++ to be specified for static linking with PPL.
1356 AC_ARG_WITH(host-libstdcxx,
1357 [AS_HELP_STRING([--with-host-libstdcxx=L],
1358 [use linker arguments L to link with libstdc++
1359 when linking with PPL])])
1361 case $with_host_libstdcxx in
1363 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1367 # Linker flags to use for stage1 or when not boostrapping.
1368 AC_ARG_WITH(stage1-ldflags,
1369 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1370 [if test "$withval" = "no" -o "$withval" = "yes"; then
1373 stage1_ldflags=$withval
1376 AC_SUBST(stage1_ldflags)
1378 # Libraries to use for stage1 or when not bootstrapping.
1379 AC_ARG_WITH(stage1-libs,
1380 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1381 [if test "$withval" = "no" -o "$withval" = "yes"; then
1384 stage1_libs=$withval
1386 [stage1_libs=$with_host_libstdcxx])
1387 AC_SUBST(stage1_libs)
1389 # Libraries to use for stage2 and later builds. This defaults to the
1390 # argument passed to --with-host-libstdcxx.
1391 AC_ARG_WITH(boot-libs,
1392 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1393 [if test "$withval" = "no" -o "$withval" = "yes"; then
1396 poststage1_libs=$withval
1398 [poststage1_libs=$with_host_libstdcxx])
1399 AC_SUBST(poststage1_libs)
1401 # Linker flags to use for stage2 and later builds.
1402 AC_ARG_WITH(boot-ldflags,
1403 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1404 [linker flags for stage2 and later])],
1405 [if test "$withval" = "no" -o "$withval" = "yes"; then
1408 poststage1_ldflags=$withval
1410 [poststage1_ldflags=
1411 # In stages 2 and 3, default to linking libstdc++ and libgcc
1412 # statically. But if the user explicitly specified the libraries to
1413 # use, trust that they are doing what they want.
1414 if test "$poststage1_libs" = ""; then
1415 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1417 AC_SUBST(poststage1_ldflags)
1425 [AS_HELP_STRING([--with-ppl=PATH],
1426 [specify prefix directory for the installed PPL package.
1427 Equivalent to --with-ppl-include=PATH/include
1428 plus --with-ppl-lib=PATH/lib])])
1429 AC_ARG_WITH(ppl-include,
1430 [AS_HELP_STRING([--with-ppl-include=PATH],
1431 [specify directory for installed PPL include files])])
1432 AC_ARG_WITH(ppl-lib,
1433 [AS_HELP_STRING([--with-ppl-lib=PATH],
1434 [specify directory for the installed PPL library])])
1436 AC_ARG_ENABLE(ppl-version-check,
1437 [AS_HELP_STRING([--disable-ppl-version-check],
1438 [disable check for PPL version])])
1444 ppllibs="-L$with_ppl/lib"
1445 pplinc="-I$with_ppl/include $pplinc"
1446 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1449 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1454 if test x"$with_ppl_include" != x; then
1455 pplinc="-I$with_ppl_include $pplinc"
1459 if test "x$with_ppl_lib" != x; then
1460 ppllibs="-L$with_ppl_lib"
1464 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1465 if test x"$enable_watchdog" = xyes; then
1468 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1469 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1470 enable_ppl_version_check=no
1474 if test "x$with_ppl" != xno; then
1475 if test "x$pwllib" = x; then
1477 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1478 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1482 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1484 if test "$enable_ppl_version_check" != no; then
1485 saved_CFLAGS="$CFLAGS"
1486 CFLAGS="$CFLAGS $pplinc $gmpinc"
1487 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1488 AC_TRY_COMPILE([#include "ppl_c.h"],[
1489 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1492 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1493 CFLAGS="$saved_CFLAGS"
1497 # Flags needed for PPL
1504 dnl Provide configure switches and initialize clooginc & clooglibs
1505 dnl with user input.
1507 if test "x$with_ppl" = "xno"; then
1508 dnl Only execute fail-action, if CLooG has been requested.
1509 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1510 if test "${graphite_requested}" = yes; then
1511 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1515 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1516 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1517 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1518 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1520 if test "x$with_cloog" != "xno"; then
1521 dnl The minimal version of CLooG required for Graphite.
1523 dnl If we use CLooG-Legacy, the provided version information is
1525 CLOOG_CHECK_VERSION(0,16,1)
1527 dnl Only execute fail-action, if CLooG has been requested.
1529 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1532 # Check for LTO support.
1534 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1535 enable_lto=$enableval,
1536 enable_lto=yes; default_enable_lto=yes)
1538 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1539 build_lto_plugin=yes
1540 ],[if test x"$default_enable_lto" = x"yes" ; then
1542 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
1543 # On other non-ELF platforms, LTO has yet to be validated.
1547 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1548 # It would also be nice to check the binutils support, but we don't
1549 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1550 # warn during gcc/ subconfigure; unless you're bootstrapping with
1551 # -flto it won't be needed until after installation anyway.
1553 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1554 *) if test x"$enable_lto" = x"yes"; then
1555 AC_MSG_ERROR([LTO support is not enabled for this target.])
1560 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1561 # Build it unless LTO was explicitly disabled.
1563 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1569 # By default, C is the only stage 1 language.
1570 stage1_languages=,c,
1572 # Target libraries that we bootstrap.
1573 bootstrap_target_libs=,target-libgcc,
1575 # Figure out what language subdirectories are present.
1576 # Look if the user specified --enable-languages="..."; if not, use
1577 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1579 # NB: embedded tabs in this IF block -- do not untabify
1580 if test -d ${srcdir}/gcc; then
1581 if test x"${enable_languages+set}" != xset; then
1582 if test x"${LANGUAGES+set}" = xset; then
1583 enable_languages="${LANGUAGES}"
1584 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1586 enable_languages=all
1589 if test x"${enable_languages}" = x ||
1590 test x"${enable_languages}" = xyes;
1592 echo configure.in: --enable-languages needs at least one language argument 1>&2
1596 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1598 # 'f95' is the old name for the 'fortran' language. We issue a warning
1599 # and make the substitution.
1600 case ,${enable_languages}, in
1602 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1603 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1607 # First scan to see if an enabled language requires some other language.
1608 # We assume that a given config-lang.in will list all the language
1609 # front ends it requires, even if some are required indirectly.
1610 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1611 case ${lang_frag} in
1613 # The odd quoting in the next line works around
1614 # an apparent bug in bash 1.12 on linux.
1615 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1617 # From the config-lang.in, get $language, $lang_requires, and
1618 # $lang_requires_boot_languages.
1621 lang_requires_boot_languages=
1623 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1624 case ,${enable_languages}, in
1628 echo " \`$other' language required by \`$language'; enabling" 1>&2
1629 enable_languages="${enable_languages},${other}"
1633 for other in ${lang_requires_boot_languages} ; do
1634 if test "$other" != "c"; then
1635 case ,${enable_stage1_languages}, in
1639 case ,${enable_languages}, in
1641 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1642 enable_stage1_languages="$enable_stage1_languages,${other}"
1653 new_enable_languages=,c,
1655 # If LTO is enabled, add the LTO front end.
1656 extra_host_libiberty_configure_flags=
1657 if test "$enable_lto" = "yes" ; then
1658 case ,${enable_languages}, in
1660 *) enable_languages="${enable_languages},lto" ;;
1662 if test "${build_lto_plugin}" = "yes" ; then
1663 configdirs="$configdirs lto-plugin"
1664 extra_host_libiberty_configure_flags=--enable-shared
1667 AC_SUBST(extra_host_libiberty_configure_flags)
1669 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1670 potential_languages=,c,
1672 enabled_target_libs=
1673 disabled_target_libs=
1675 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1676 case ${lang_frag} in
1678 # The odd quoting in the next line works around
1679 # an apparent bug in bash 1.12 on linux.
1680 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1682 # From the config-lang.in, get $language, $target_libs,
1683 # $lang_dirs, $boot_language, and $build_by_default
1689 build_by_default=yes
1691 if test x${language} = x; then
1692 echo "${lang_frag} doesn't set \$language." 1>&2
1696 if test "$language" = "c++" \
1697 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1701 case ,${enable_languages}, in
1703 # Language was explicitly selected; include it.
1707 # 'all' was selected, select it if it is a default language
1708 add_this_lang=${build_by_default}
1715 # Disable languages that need other directories if these aren't available.
1716 for i in $subdir_requires; do
1717 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1718 case ,${enable_languages}, in
1720 # Specifically requested language; tell them.
1721 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1725 add_this_lang=unsupported
1730 # Disable Ada if no preexisting GNAT is available.
1731 case ,${enable_languages},:${language}:${have_gnat} in
1732 *,${language},*:ada:no)
1733 # Specifically requested language; tell them.
1734 AC_MSG_ERROR([GNAT is required to build $language])
1738 add_this_lang=unsupported
1742 # Disable a language that is unsupported by the target.
1743 case " $unsupported_languages " in
1745 add_this_lang=unsupported
1749 case $add_this_lang in
1751 # Remove language-dependent dirs.
1752 disabled_target_libs="$disabled_target_libs $target_libs"
1753 noconfigdirs="$noconfigdirs $lang_dirs"
1756 # Remove language-dependent dirs; still show language as supported.
1757 disabled_target_libs="$disabled_target_libs $target_libs"
1758 noconfigdirs="$noconfigdirs $lang_dirs"
1759 potential_languages="${potential_languages}${language},"
1762 new_enable_languages="${new_enable_languages}${language},"
1763 potential_languages="${potential_languages}${language},"
1764 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1765 enabled_target_libs="$enabled_target_libs $target_libs"
1766 case "${boot_language}:,$enable_stage1_languages," in
1767 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1768 # Add to (comma-separated) list of stage 1 languages.
1769 case ",$stage1_languages," in
1770 *,$language,* | ,yes, | ,all,) ;;
1771 *) stage1_languages="${stage1_languages}${language}," ;;
1773 # We need to bootstrap any supporting libraries.
1774 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1783 # Add target libraries which are only needed for disabled languages
1785 if test -n "$disabled_target_libs"; then
1786 for dir in $disabled_target_libs; do
1787 case " $enabled_target_libs " in
1789 *) noconfigdirs="$noconfigdirs $dir" ;;
1794 AC_ARG_ENABLE(stage1-languages,
1795 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1796 [choose additional languages to build during
1797 stage1. Mostly useful for compiler development])],
1798 [case ,${enable_stage1_languages}, in
1800 # Set it to something that will have no effect in the loop below
1801 enable_stage1_languages=c ;;
1803 enable_stage1_languages=`echo $new_enable_languages | \
1804 sed -e "s/^,//" -e "s/,$//" ` ;;
1806 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1807 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1810 # Add "good" languages from enable_stage1_languages to stage1_languages,
1811 # while "bad" languages go in missing_languages. Leave no duplicates.
1812 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1813 case $potential_languages in
1815 case $stage1_languages in
1817 *) stage1_languages="$stage1_languages$i," ;;
1820 case $missing_languages in
1822 *) missing_languages="$missing_languages$i," ;;
1827 # Remove leading/trailing commas that were added for simplicity
1828 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1829 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1830 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1831 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1833 if test "x$missing_languages" != x; then
1835 The following requested languages could not be built: ${missing_languages}
1836 Supported languages are: ${potential_languages}])
1838 if test "x$new_enable_languages" != "x$enable_languages"; then
1839 echo The following languages will be built: ${new_enable_languages}
1840 enable_languages="$new_enable_languages"
1843 AC_SUBST(stage1_languages)
1844 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1847 # Handle --disable-<component> generically.
1848 for dir in $configdirs $build_configdirs $target_configdirs ; do
1849 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1850 varname=`echo $dirname | sed -e s/+/_/g`
1851 if eval test x\${enable_${varname}} "=" xno ; then
1852 noconfigdirs="$noconfigdirs $dir"
1856 # Check for Boehm's garbage collector
1857 AC_ARG_ENABLE(objc-gc,
1858 [AS_HELP_STRING([--enable-objc-gc],
1859 [enable use of Boehm's garbage collector with the
1860 GNU Objective-C runtime])],
1861 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1862 *,objc,*:*:yes:*target-boehm-gc*)
1863 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1867 # Make sure we only build Boehm's garbage collector if required.
1868 case ,${enable_languages},:${enable_objc_gc} in
1870 # Keep target-boehm-gc if requested for Objective-C.
1873 # Otherwise remove target-boehm-gc depending on target-libjava.
1874 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1875 noconfigdirs="$noconfigdirs target-boehm-gc"
1880 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1881 # $build_configdirs and $target_configdirs.
1882 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1885 for dir in . $skipdirs $noconfigdirs ; do
1886 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1887 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1888 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1889 if test -r $srcdir/$dirname/configure ; then
1890 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1893 notsupp="$notsupp $dir"
1897 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1898 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1899 if test -r $srcdir/$dirname/configure ; then
1900 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1903 notsupp="$notsupp $dir"
1907 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1908 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1909 if test -r $srcdir/$dirname/configure ; then
1910 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1913 notsupp="$notsupp $dir"
1919 # Sometimes the tools are distributed with libiberty but with no other
1920 # libraries. In that case, we don't want to build target-libiberty.
1921 # Don't let libgcc imply libiberty either.
1922 if test -n "${target_configdirs}" ; then
1925 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1926 if test "$i" = "libgcc"; then
1927 libgcc=target-libgcc
1928 elif test "$i" != "libiberty" ; then
1929 if test -r $srcdir/$i/configure ; then
1935 if test -z "${others}" ; then
1936 target_configdirs=$libgcc
1940 # Quietly strip out all directories which aren't configurable in this tree.
1941 # This relies on all configurable subdirectories being autoconfiscated, which
1943 build_configdirs_all="$build_configdirs"
1945 for i in ${build_configdirs_all} ; do
1946 j=`echo $i | sed -e s/build-//g`
1947 if test -f ${srcdir}/$j/configure ; then
1948 build_configdirs="${build_configdirs} $i"
1952 configdirs_all="$configdirs"
1954 for i in ${configdirs_all} ; do
1955 if test -f ${srcdir}/$i/configure ; then
1956 configdirs="${configdirs} $i"
1960 target_configdirs_all="$target_configdirs"
1962 for i in ${target_configdirs_all} ; do
1963 j=`echo $i | sed -e s/target-//g`
1964 if test -f ${srcdir}/$j/configure ; then
1965 target_configdirs="${target_configdirs} $i"
1969 # Produce a warning message for the subdirs we can't configure.
1970 # This isn't especially interesting in the Cygnus tree, but in the individual
1971 # FSF releases, it's important to let people know when their machine isn't
1972 # supported by the one or two programs in a package.
1974 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1975 # If $appdirs is non-empty, at least one of those directories must still
1976 # be configured, or we error out. (E.g., if the gas release supports a
1977 # specified target in some subdirs but not the gas subdir, we shouldn't
1978 # pretend that all is well.)
1979 if test -n "$appdirs" ; then
1980 for dir in $appdirs ; do
1981 if test -r $dir/Makefile.in ; then
1982 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1986 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1992 if test -n "$appdirs" ; then
1993 echo "*** This configuration is not supported by this package." 1>&2
1997 # Okay, some application will build, or we don't care to check. Still
1998 # notify of subdirs not getting built.
1999 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2000 echo " ${notsupp}" 1>&2
2001 echo " (Any other directories should still work fine.)" 1>&2
2009 # To find our prefix, in gcc_cv_tool_prefix.
2014 AC_ARG_WITH([build-sysroot],
2015 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2016 [use sysroot as the system root during the build])],
2017 [if test x"$withval" != x ; then
2018 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2020 [SYSROOT_CFLAGS_FOR_TARGET=])
2021 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2023 AC_ARG_WITH([debug-prefix-map],
2024 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2025 [map A to B, C to D ... in debug information])],
2026 [if test x"$withval" != x; then
2027 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2028 for debug_map in $withval; do
2029 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2032 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2033 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2035 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2036 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2037 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2038 # We want to ensure that TARGET libraries (which we know are built with
2039 # gcc) are built with "-O2 -g", so include those options when setting
2040 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2041 if test "x$CFLAGS_FOR_TARGET" = x; then
2042 CFLAGS_FOR_TARGET=$CFLAGS
2045 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2048 *" -g "* | *" -g3 "*) ;;
2049 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2052 AC_SUBST(CFLAGS_FOR_TARGET)
2054 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2055 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2056 case " $CXXFLAGS " in
2058 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2060 case " $CXXFLAGS " in
2061 *" -g "* | *" -g3 "*) ;;
2062 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2065 AC_SUBST(CXXFLAGS_FOR_TARGET)
2067 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2068 # the named directory are copied to $(tooldir)/sys-include.
2069 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2070 if test x${is_cross_compiler} = xno ; then
2071 echo 1>&2 '***' --with-headers is only supported when cross compiling
2074 if test x"${with_headers}" != xyes ; then
2075 x=${gcc_cv_tool_prefix}
2076 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2080 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2081 # the name directories are copied to $(tooldir)/lib. Multiple directories
2083 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2084 if test x${is_cross_compiler} = xno ; then
2085 echo 1>&2 '***' --with-libs is only supported when cross compiling
2088 if test x"${with_libs}" != xyes ; then
2089 # Copy the libraries in reverse order, so that files in the first named
2090 # library override files in subsequent libraries.
2091 x=${gcc_cv_tool_prefix}
2092 for l in ${with_libs}; do
2093 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2098 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2100 # This is done by determining whether or not the appropriate directory
2101 # is available, and by checking whether or not specific configurations
2102 # have requested that this magic not happen.
2104 # The command line options always override the explicit settings in
2105 # configure.in, and the settings in configure.in override this magic.
2107 # If the default for a toolchain is to use GNU as and ld, and you don't
2108 # want to do that, then you should use the --without-gnu-as and
2109 # --without-gnu-ld options for the configure script. Similarly, if
2110 # the default is to use the included zlib and you don't want to do that,
2111 # you should use the --with-system-zlib option for the configure script.
2113 if test x${use_gnu_as} = x &&
2114 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2116 extra_host_args="$extra_host_args --with-gnu-as"
2119 if test x${use_gnu_ld} = x &&
2120 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2122 extra_host_args="$extra_host_args --with-gnu-ld"
2125 if test x${use_included_zlib} = x &&
2126 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2129 with_system_zlib=yes
2130 extra_host_args="$extra_host_args --with-system-zlib"
2133 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2134 # can detect this case.
2136 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2138 extra_host_args="$extra_host_args --with-newlib"
2141 # Handle ${copy_dirs}
2142 set fnord ${copy_dirs}
2144 while test $# != 0 ; do
2145 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2148 echo Copying $1 to $2
2150 # Use the install script to create the directory and all required
2151 # parent directories.
2152 if test -d $2 ; then
2156 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2159 # Copy the directory, assuming we have tar.
2160 # FIXME: Should we use B in the second tar? Not all systems support it.
2161 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2163 # It is the responsibility of the user to correctly adjust all
2164 # symlinks. If somebody can figure out how to handle them correctly
2165 # here, feel free to add the code.
2172 # Determine a target-dependent exec_prefix that the installed
2173 # gcc will search in. Keep this list sorted by triplet, with
2174 # the *-*-osname triplets last.
2178 md_exec_prefix=/gnu/lib/gcc-lib
2180 i[[34567]]86-pc-msdosdjgpp*)
2181 md_exec_prefix=/dev/env/DJDIR/bin
2183 i[[34567]]86-*-sco3.2v5*)
2184 if test $with_gnu_as = yes; then
2185 md_exec_prefix=/usr/gnu/bin
2187 md_exec_prefix=/usr/ccs/bin/elf
2192 powerpc-*-chorusos* | \
2193 powerpc*-*-eabi* | \
2194 powerpc*-*-sysv* | \
2195 powerpc*-*-kaos* | \
2197 md_exec_prefix=/usr/ccs/bin
2202 md_exec_prefix=/usr/ccs/bin
2217 md_exec_prefix=/usr/ccs/bin
2221 extra_arflags_for_target=
2222 extra_nmflags_for_target=
2223 extra_ranlibflags_for_target=
2224 target_makefile_frag=/dev/null
2227 target_makefile_frag="config/mt-spu"
2230 target_makefile_frag="config/mt-sde"
2232 mipsisa*-*-elfoabi*)
2233 target_makefile_frag="config/mt-mips-elfoabi"
2235 mips*-*-*linux* | mips*-*-gnu*)
2236 target_makefile_frag="config/mt-mips-gnu"
2238 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2239 target_makefile_frag="config/mt-gnu"
2241 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2242 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2243 # commands to handle both 32-bit and 64-bit objects. These flags are
2244 # harmless if we're using GNU nm or ar.
2245 extra_arflags_for_target=" -X32_64"
2246 extra_nmflags_for_target=" -B -X32_64"
2249 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2250 extra_ranlibflags_for_target=" -c"
2254 alphaieee_frag=/dev/null
2257 # This just makes sure to use the -mieee option to build target libs.
2258 # This should probably be set individually by each library.
2259 alphaieee_frag="config/mt-alphaieee"
2263 # If --enable-target-optspace always use -Os instead of -O2 to build
2264 # the target libraries, similarly if it is not specified, use -Os
2265 # on selected platforms.
2266 ospace_frag=/dev/null
2267 case "${enable_target_optspace}:${target}" in
2269 ospace_frag="config/mt-ospace"
2272 ospace_frag="config/mt-d30v"
2274 :m32r-* | :d10v-* | :fr30-*)
2275 ospace_frag="config/mt-ospace"
2280 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2284 # Default to using --with-stabs for certain targets.
2285 if test x${with_stabs} = x ; then
2287 mips*-*-irix[[56]]*)
2289 mips*-*-* | alpha*-*-osf*)
2291 extra_host_args="${extra_host_args} --with-stabs"
2296 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2297 # them automatically.
2300 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2304 # Some systems (e.g., one of the i386-aix systems the gas testers are
2305 # using) don't handle "\$" correctly, so don't use it here.
2306 tooldir='${exec_prefix}'/${target_noncanonical}
2307 build_tooldir=${tooldir}
2309 # Create a .gdbinit file which runs the one in srcdir
2310 # and tells GDB to look there for source files.
2312 if test -r ${srcdir}/.gdbinit ; then
2315 *) cat > ./.gdbinit <<EOF
2319 source ${srcdir}/.gdbinit
2325 # Make sure that the compiler is able to generate an executable. If it
2326 # can't, we are probably in trouble. We don't care whether we can run the
2327 # executable--we might be using a cross compiler--we only care whether it
2328 # can be created. At this point the main configure script has set CC.
2330 echo "int main () { return 0; }" > conftest.c
2331 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2332 if test $? = 0 ; then
2333 if test -s conftest || test -s conftest.exe ; then
2339 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2340 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2347 # The Solaris /usr/ucb/cc compiler does not appear to work.
2349 sparc-sun-solaris2*)
2350 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2351 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2353 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2354 if test -d /opt/cygnus/bin ; then
2355 if test "$could_use" = "" ; then
2356 could_use="/opt/cygnus/bin"
2358 could_use="$could_use or /opt/cygnus/bin"
2361 if test "$could_use" = "" ; then
2362 echo "Warning: compilation may fail because you're using"
2363 echo "/usr/ucb/cc. You should change your PATH or CC "
2364 echo "variable and rerun configure."
2366 echo "Warning: compilation may fail because you're using"
2367 echo "/usr/ucb/cc, when you should use the C compiler from"
2368 echo "$could_use. You should change your"
2369 echo "PATH or CC variable and rerun configure."
2375 # Decide which environment variable is used to find dynamic libraries.
2377 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2378 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2379 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2380 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2383 # On systems where the dynamic library environment variable is PATH,
2384 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2385 # built executables to PATH.
2386 if test "$RPATH_ENVVAR" = PATH; then
2387 GCC_SHLIB_SUBDIR=/shlib
2392 # Record target_configdirs and the configure arguments for target and
2393 # build configuration in Makefile.
2394 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2395 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2397 # If we are building libgomp, bootstrap it.
2398 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2399 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2402 # Determine whether gdb needs tk/tcl or not.
2403 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2404 # and in that case we want gdb to be built without tk. Ugh!
2405 # In fact I believe gdb is the *only* package directly dependent on tk,
2406 # so we should be able to put the 'maybe's in unconditionally and
2407 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2408 # 100% sure that that's safe though.
2410 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2411 case "$enable_gdbtk" in
2415 GDB_TK="${gdb_tk}" ;;
2417 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2418 # distro. Eventually someone will fix this and move Insight, nee
2419 # gdbtk to a separate directory.
2420 if test -d ${srcdir}/gdb/gdbtk ; then
2427 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2428 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2430 # Strip out unwanted targets.
2432 # While at that, we remove Makefiles if we were started for recursive
2433 # configuration, so that the top-level Makefile reconfigures them,
2434 # like we used to do when configure itself was recursive.
2436 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2437 # but now we're fixing up the Makefile ourselves with the additional
2438 # commands passed to AC_CONFIG_FILES. Use separate variables
2439 # extrasub-{build,host,target} not because there is any reason to split
2440 # the substitutions up that way, but only to remain below the limit of
2441 # 99 commands in a script, for HP-UX sed.
2442 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2444 AC_ARG_ENABLE([bootstrap],
2445 [AS_HELP_STRING([--enable-bootstrap],
2446 [enable bootstrapping @<:@yes if native build@:>@])],,
2447 enable_bootstrap=default)
2449 # Issue errors and warnings for invalid/strange bootstrap combinations.
2450 case "$configdirs" in
2451 *gcc*) have_compiler=yes ;;
2452 *) have_compiler=no ;;
2455 case "$have_compiler:$host:$target:$enable_bootstrap" in
2458 # Default behavior. Enable bootstrap if we have a compiler
2459 # and we are in a native configuration.
2460 yes:$build:$build:default)
2461 enable_bootstrap=yes ;;
2464 enable_bootstrap=no ;;
2466 # We have a compiler and we are in a native configuration, bootstrap is ok
2467 yes:$build:$build:yes)
2470 # Other configurations, but we have a compiler. Assume the user knows
2473 AC_MSG_WARN([trying to bootstrap a cross compiler])
2476 # No compiler: if they passed --enable-bootstrap explicitly, fail
2478 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2480 # Fail if wrong command line
2482 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2486 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2489 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2493 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2494 yes:yes:*\ gold\ *:*,c++,*) ;;
2495 yes:yes:*\ gold\ *:*)
2496 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2500 # Adjust the toplevel makefile according to whether bootstrap was selected.
2501 case $enable_bootstrap in
2503 bootstrap_suffix=bootstrap
2504 BUILD_CONFIG=bootstrap-debug
2507 bootstrap_suffix=no-bootstrap
2512 AC_MSG_CHECKING(for default BUILD_CONFIG)
2514 AC_ARG_WITH([build-config],
2515 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2516 [use config/NAME.mk build configuration])],
2517 [case $with_build_config in
2518 yes) with_build_config= ;;
2519 no) with_build_config= BUILD_CONFIG= ;;
2522 if test "x${with_build_config}" != x; then
2523 BUILD_CONFIG=$with_build_config
2525 case $BUILD_CONFIG in
2527 if echo "int f (void) { return 0; }" > conftest.c &&
2528 ${CC} -c conftest.c &&
2529 mv conftest.o conftest.o.g0 &&
2530 ${CC} -c -g conftest.c &&
2531 mv conftest.o conftest.o.g &&
2532 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2537 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2541 AC_MSG_RESULT($BUILD_CONFIG)
2542 AC_SUBST(BUILD_CONFIG)
2545 for module in ${build_configdirs} ; do
2546 if test -z "${no_recursion}" \
2547 && test -f ${build_subdir}/${module}/Makefile; then
2548 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2549 rm -f ${build_subdir}/${module}/Makefile
2551 extrasub_build="$extrasub_build
2552 /^@if build-$module\$/d
2553 /^@endif build-$module\$/d
2554 /^@if build-$module-$bootstrap_suffix\$/d
2555 /^@endif build-$module-$bootstrap_suffix\$/d"
2558 for module in ${configdirs} ; do
2559 if test -z "${no_recursion}"; then
2560 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2561 if test -f ${file}; then
2562 echo 1>&2 "*** removing ${file} to force reconfigure"
2567 extrasub_host="$extrasub_host
2569 /^@endif $module\$/d
2570 /^@if $module-$bootstrap_suffix\$/d
2571 /^@endif $module-$bootstrap_suffix\$/d"
2574 for module in ${target_configdirs} ; do
2575 if test -z "${no_recursion}" \
2576 && test -f ${target_subdir}/${module}/Makefile; then
2577 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2578 rm -f ${target_subdir}/${module}/Makefile
2581 # We only bootstrap target libraries listed in bootstrap_target_libs.
2582 case $bootstrap_target_libs in
2583 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2584 *) target_bootstrap_suffix=no-bootstrap ;;
2587 extrasub_target="$extrasub_target
2588 /^@if target-$module\$/d
2589 /^@endif target-$module\$/d
2590 /^@if target-$module-$target_bootstrap_suffix\$/d
2591 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2594 # Do the final fixup along with target modules.
2595 extrasub_target="$extrasub_target
2596 /^@if /,/^@endif /d"
2598 # Create the serialization dependencies. This uses a temporary file.
2600 AC_ARG_ENABLE([serial-configure],
2601 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2602 [force sequential configuration of
2603 sub-packages for the host, target or build
2604 machine, or all sub-packages])])
2606 case ${enable_serial_configure} in
2608 enable_serial_build_configure=yes
2609 enable_serial_host_configure=yes
2610 enable_serial_target_configure=yes
2614 # These force 'configure's to be done one at a time, to avoid problems
2615 # with contention over a shared config.cache.
2617 echo '# serdep.tmp' > serdep.tmp
2619 test "x${enable_serial_build_configure}" = xyes &&
2620 for item in ${build_configdirs} ; do
2623 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2628 test "x${enable_serial_host_configure}" = xyes &&
2629 for item in ${configdirs} ; do
2632 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2637 test "x${enable_serial_target_configure}" = xyes &&
2638 for item in ${target_configdirs} ; do
2641 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2645 serialization_dependencies=serdep.tmp
2646 AC_SUBST_FILE(serialization_dependencies)
2648 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2649 # target, nonopt, and variable assignments. These are the ones we
2650 # might not want to pass down to subconfigures. The exception being
2651 # --cache-file=/dev/null, which is used to turn off the use of cache
2652 # files altogether, and which should be passed on to subconfigures.
2653 # Also strip program-prefix, program-suffix, and program-transform-name,
2654 # so that we can pass down a consistent program-transform-name.
2659 eval "set -- $ac_configure_args"
2662 if test X"$skip_next" = X"yes"; then
2666 if test X"$keep_next" = X"yes"; then
2669 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2671 baseargs="$baseargs '$ac_arg'"
2672 tbaseargs="$tbaseargs '$ac_arg'"
2677 # Handle separated arguments. Based on the logic generated by
2680 *=* | --config-cache | -C | -disable-* | --disable-* \
2681 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2682 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2683 | -with-* | --with-* | -without-* | --without-* | --x)
2697 --with-* | --without-*)
2698 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2702 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2705 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2714 mpc | mpfr | gmp | ppl | cloog)
2715 # If we're processing --with-$lib, --with-$lib-include or
2716 # --with-$lib-lib, for one of the libs above, and target is
2717 # different from host, don't pass the current argument to any
2718 # target library's configure.
2719 if test x$is_cross_compiler = xyes; then
2728 --cache-file=/dev/null | \
2729 -cache-file=/dev/null )
2730 # Handled here to avoid the test to skip args below.
2731 baseargs="$baseargs '$ac_arg'"
2732 tbaseargs="$tbaseargs '$ac_arg'"
2733 # Assert: $separate_arg should always be no.
2734 keep_next=$separate_arg
2750 -program-prefix* | \
2751 -program-suffix* | \
2752 -program-transform-name* )
2753 skip_next=$separate_arg
2757 # An option. Add it.
2760 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2762 baseargs="$baseargs '$ac_arg'"
2763 if test X"$skip_targ" = Xno; then
2764 tbaseargs="$tbaseargs '$ac_arg'"
2766 keep_next=$separate_arg
2769 # Either a variable assignment, or a nonopt (triplet). Don't
2770 # pass it down; let the Makefile handle this.
2775 # Remove the initial space we just introduced and, as these will be
2776 # expanded by make, quote '$'.
2777 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2779 # Add in --program-transform-name, after --program-prefix and
2780 # --program-suffix have been applied to it. Autoconf has already
2781 # doubled dollar signs and backslashes in program_transform_name; we want
2782 # the backslashes un-doubled, and then the entire thing wrapped in single
2783 # quotes, because this will be expanded first by make and then by the shell.
2784 # Also, because we want to override the logic in subdir configure scripts to
2785 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2786 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2787 ${program_transform_name}
2789 gcc_transform_name=`cat conftestsed.out`
2790 rm -f conftestsed.out
2791 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2792 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2793 if test "$silent" = yes; then
2794 baseargs="$baseargs --silent"
2795 tbaseargs="$tbaseargs --silent"
2797 baseargs="$baseargs --disable-option-checking"
2798 tbaseargs="$tbaseargs --disable-option-checking"
2800 # Record and document user additions to sub configure arguments.
2801 AC_ARG_VAR([build_configargs],
2802 [additional configure arguments for build directories])
2803 AC_ARG_VAR([host_configargs],
2804 [additional configure arguments for host directories])
2805 AC_ARG_VAR([target_configargs],
2806 [additional configure arguments for target directories])
2808 # For the build-side libraries, we just need to pretend we're native,
2809 # and not use the same cache file. Multilibs are neither needed nor
2811 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2813 # For host modules, accept cache file option, or specification as blank.
2814 case "${cache_file}" in
2816 cache_file_option="" ;;
2817 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2818 cache_file_option="--cache-file=${cache_file}" ;;
2820 cache_file_option="--cache-file=../${cache_file}" ;;
2823 # Host dirs don't like to share a cache file either, horribly enough.
2824 # This seems to be due to autoconf 2.5x stupidity.
2825 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2827 target_configargs="$target_configargs ${tbaseargs}"
2829 # Passing a --with-cross-host argument lets the target libraries know
2830 # whether they are being built with a cross-compiler or being built
2831 # native. However, it would be better to use other mechanisms to make the
2832 # sorts of decisions they want to make on this basis. Please consider
2833 # this option to be deprecated. FIXME.
2834 if test x${is_cross_compiler} = xyes ; then
2835 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2838 # Default to --enable-multilib.
2839 if test x${enable_multilib} = x ; then
2840 target_configargs="--enable-multilib ${target_configargs}"
2843 # Pass --with-newlib if appropriate. Note that target_configdirs has
2844 # changed from the earlier setting of with_newlib.
2845 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2846 target_configargs="--with-newlib ${target_configargs}"
2849 # Different target subdirs use different values of certain variables
2850 # (notably CXX). Worse, multilibs use *lots* of different values.
2851 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2852 # it doesn't automatically accept command-line overrides of them.
2853 # This means it's not safe for target subdirs to share a cache file,
2854 # which is disgusting, but there you have it. Hopefully this can be
2855 # fixed in future. It's still worthwhile to use a cache file for each
2856 # directory. I think.
2858 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2859 # We need to pass --target, as newer autoconf's requires consistency
2860 # for target_alias and gcc doesn't manage it consistently.
2861 target_configargs="--cache-file=./config.cache ${target_configargs}"
2864 case " $target_configdirs " in
2866 case " $target_configargs " in
2867 *" --with-newlib "*)
2870 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 $$s/winsup/w32api/include'
2874 # If we're not building GCC, don't discard standard headers.
2875 if test -d ${srcdir}/gcc; then
2876 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2878 if test "${build}" != "${host}"; then
2879 # On Canadian crosses, CC_FOR_TARGET will have already been set
2880 # by `configure', so we won't have an opportunity to add -Bgcc/
2881 # to it. This is right: we don't want to search that directory
2882 # for binaries, but we want the header files in there, so add
2884 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2886 # Someone might think of using the pre-installed headers on
2887 # Canadian crosses, in case the installed compiler is not fully
2888 # compatible with the compiler being built. In this case, it
2889 # would be better to flag an error than risking having
2890 # incompatible object files being constructed. We can't
2891 # guarantee that an error will be flagged, but let's hope the
2892 # compiler will do it, when presented with incompatible header
2897 case "${target}-${is_cross_compiler}" in
2898 i[[3456789]]86-*-linux*-no)
2899 # Here host == target, so we don't need to build gcc,
2900 # so we don't want to discard standard headers.
2901 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2904 # If we're building newlib, use its generic headers last, but search
2905 # for any libc-related directories first (so make it the last -B
2907 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2909 # If we're building libgloss, find the startup file, simulator library
2910 # and linker script.
2911 case " $target_configdirs " in
2913 # Look for startup file, simulator library and maybe linker script.
2914 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2915 # Look for libnosys.a in case the target needs it.
2916 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2917 # Most targets have the linker script in the source directory.
2918 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2929 x86_64-*mingw* | *-w64-mingw*)
2930 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2931 # however, use a symlink named 'mingw' in ${prefix} .
2932 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2935 # MinGW can't be handled as Cygwin above since it does not use newlib.
2936 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2940 # Allow the user to override the flags for
2941 # our build compiler if desired.
2942 if test x"${build}" = x"${host}" ; then
2943 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2944 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2945 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2948 # On Canadian crosses, we'll be searching the right directories for
2949 # the previously-installed cross compiler, so don't bother to add
2950 # flags for directories within the install tree of the compiler
2951 # being built; programs in there won't even run.
2952 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2953 # Search for pre-installed headers if nothing else fits.
2954 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2957 if test "x${use_gnu_ld}" = x &&
2958 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2959 # Arrange for us to find uninstalled linker scripts.
2960 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2963 # Search for other target-specific linker scripts and such.
2966 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2970 # Makefile fragments.
2971 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2973 eval fragval=\$$frag
2974 if test $fragval != /dev/null; then
2975 eval $frag=${srcdir}/$fragval
2978 AC_SUBST_FILE(host_makefile_frag)
2979 AC_SUBST_FILE(target_makefile_frag)
2980 AC_SUBST_FILE(alphaieee_frag)
2981 AC_SUBST_FILE(ospace_frag)
2983 # Miscellanea: directories, flags, etc.
2984 AC_SUBST(RPATH_ENVVAR)
2985 AC_SUBST(GCC_SHLIB_SUBDIR)
2987 AC_SUBST(build_tooldir)
2988 AC_SUBST(CONFIGURE_GDB_TK)
2990 AC_SUBST(INSTALL_GDB_TK)
2992 # Build module lists & subconfigure args.
2993 AC_SUBST(build_configargs)
2994 AC_SUBST(build_configdirs)
2996 # Host module lists & subconfigure args.
2997 AC_SUBST(host_configargs)
2998 AC_SUBST(configdirs)
2999 AC_SUBST(target_configdirs)
3001 # Target module lists & subconfigure args.
3002 AC_SUBST(target_configargs)
3006 AC_SUBST(AR_FOR_BUILD)
3007 AC_SUBST(AS_FOR_BUILD)
3008 AC_SUBST(CC_FOR_BUILD)
3009 AC_SUBST(CFLAGS_FOR_BUILD)
3010 AC_SUBST(CXXFLAGS_FOR_BUILD)
3011 AC_SUBST(CXX_FOR_BUILD)
3012 AC_SUBST(DLLTOOL_FOR_BUILD)
3013 AC_SUBST(GCJ_FOR_BUILD)
3014 AC_SUBST(GFORTRAN_FOR_BUILD)
3015 AC_SUBST(GOC_FOR_BUILD)
3016 AC_SUBST(LDFLAGS_FOR_BUILD)
3017 AC_SUBST(LD_FOR_BUILD)
3018 AC_SUBST(NM_FOR_BUILD)
3019 AC_SUBST(RANLIB_FOR_BUILD)
3020 AC_SUBST(WINDMC_FOR_BUILD)
3021 AC_SUBST(WINDRES_FOR_BUILD)
3022 AC_SUBST(config_shell)
3024 # Generate default definitions for YACC, M4, LEX and other programs that run
3025 # on the build machine. These are used if the Makefile can't locate these
3026 # programs in objdir.
3027 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3029 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3030 case " $build_configdirs " in
3031 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3032 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3035 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3036 case " $build_configdirs " in
3037 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3040 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3041 case " $build_configdirs " in
3042 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3045 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3046 case " $build_configdirs " in
3047 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3048 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3051 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3052 case " $build_configdirs " in
3053 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3056 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3057 case " $build_configdirs " in
3058 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3061 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3062 # higher, else we use the "missing" dummy.
3063 if ${MAKEINFO} --version \
3064 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3067 MAKEINFO="$MISSING makeinfo"
3073 # FIXME: expect and dejagnu may become build tools?
3075 AC_CHECK_PROGS(EXPECT, expect, expect)
3076 case " $configdirs " in
3078 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3082 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3083 case " $configdirs " in
3085 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3091 NCN_STRICT_CHECK_TOOLS(AR, ar)
3092 NCN_STRICT_CHECK_TOOLS(AS, as)
3093 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3094 NCN_STRICT_CHECK_TOOLS(LD, ld)
3095 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3096 NCN_STRICT_CHECK_TOOLS(NM, nm)
3097 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3098 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3099 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3100 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3101 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3102 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3109 AC_ARG_WITH([build-time-tools],
3110 [AS_HELP_STRING([--with-build-time-tools=PATH],
3111 [use given path to find target tools during the build])],
3112 [case x"$withval" in
3115 with_build_time_tools=
3116 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3119 [with_build_time_tools=])
3121 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3122 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3123 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3124 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3125 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3126 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3128 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3129 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3130 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3131 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3132 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3133 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3134 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3135 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3136 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3137 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3138 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3140 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3142 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3143 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3144 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3145 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3146 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3147 [gcc/g++ -B$$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],
3149 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3150 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3152 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3153 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3154 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3155 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3156 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3157 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3158 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3159 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3160 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3161 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3162 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3163 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3164 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3165 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3166 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3167 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3169 AC_SUBST(FLAGS_FOR_TARGET)
3170 AC_SUBST(RAW_CXX_FOR_TARGET)
3172 # Certain tools may need extra flags.
3173 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3174 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3175 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3177 # When building target libraries, except in a Canadian cross, we use
3178 # the same toolchain as the compiler we just built.
3179 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3180 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3181 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3182 if test $host = $build; then
3183 case " $configdirs " in
3185 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3186 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3187 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3192 AC_SUBST(COMPILER_AS_FOR_TARGET)
3193 AC_SUBST(COMPILER_LD_FOR_TARGET)
3194 AC_SUBST(COMPILER_NM_FOR_TARGET)
3196 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3197 AC_ARG_ENABLE(maintainer-mode,
3198 [AS_HELP_STRING([--enable-maintainer-mode],
3199 [enable make rules and dependencies not useful
3200 (and sometimes confusing) to the casual installer])],
3201 USE_MAINTAINER_MODE=$enableval,
3202 USE_MAINTAINER_MODE=no)
3203 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3204 AC_SUBST(MAINTAINER_MODE_TRUE)
3205 AC_SUBST(MAINTAINER_MODE_FALSE)
3206 if test "$USE_MAINTAINER_MODE" = yes; then
3207 MAINTAINER_MODE_TRUE=
3208 MAINTAINER_MODE_FALSE='#'
3210 MAINTAINER_MODE_TRUE='#'
3211 MAINTAINER_MODE_FALSE=
3213 MAINT=$MAINTAINER_MODE_TRUE
3216 # ---------------------
3217 # GCC bootstrap support
3218 # ---------------------
3220 # Stage specific cflags for build.
3225 yes) stage1_cflags="-g -Wa,-J" ;;
3226 *) stage1_cflags="-g -J" ;;
3230 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3231 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3232 saved_CFLAGS="$CFLAGS"
3234 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3235 CFLAGS="$CFLAGS -fkeep-inline-functions"
3236 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3238 #if (__GNUC__ < 3) \
3239 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3240 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3241 #error http://gcc.gnu.org/PR29382
3244 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3245 [AC_MSG_RESULT([no])])
3247 CFLAGS="$saved_CFLAGS"
3250 AC_SUBST(stage1_cflags)
3252 # Enable --enable-checking in stage1 of the compiler.
3253 AC_ARG_ENABLE(stage1-checking,
3254 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3255 [choose additional checking for stage1 of the compiler])],
3256 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3257 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3258 stage1_checking=--enable-checking=yes,types
3260 stage1_checking=--enable-checking=$enable_checking,types
3262 AC_SUBST(stage1_checking)
3264 # Enable -Werror in bootstrap stage2 and later.
3265 AC_ARG_ENABLE(werror,
3266 [AS_HELP_STRING([--enable-werror],
3267 [enable -Werror in bootstrap stage2 and later])], [],
3268 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3273 case ${enable_werror} in
3274 yes) stage2_werror_flag="--enable-werror-always" ;;
3275 *) stage2_werror_flag="" ;;
3277 AC_SUBST(stage2_werror_flag)
3279 # Specify what files to not compare during bootstrap.
3281 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3283 hppa*64*-*-hpux*) ;;
3284 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3286 case " $configdirs " in
3287 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3289 AC_SUBST(compare_exclusions)
3291 AC_CONFIG_FILES([Makefile],
3292 [sed "$extrasub_build" Makefile |
3293 sed "$extrasub_host" |
3294 sed "$extrasub_target" > mf$$
3295 mv -f mf$$ Makefile],
3296 [extrasub_build="$extrasub_build"
3297 extrasub_host="$extrasub_host"
3298 extrasub_target="$extrasub_target"])