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* | *-*-solaris2* | *-*-nto*)
354 *-*-linux*aout* | *-*-linux*oldld*)
362 if test "$is_elf" = "yes"; then
363 # Check for target supported by gold.
365 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
366 configdirs="$configdirs gold"
367 if test x${ENABLE_GOLD} = xdefault; then
378 AC_MSG_ERROR([invalid --enable-gold argument])
383 [AS_HELP_STRING([[--enable-ld[=ARG]]],
384 [build ld @<:@ARG={default,yes,no}@:>@])],
385 ENABLE_LD=$enableval,
388 case "${ENABLE_LD}" in
390 if test x${default_ld} != x; then
391 AC_MSG_ERROR([either gold or ld can be the default ld])
397 if test x${ENABLE_GOLD} != xyes; then
398 AC_MSG_WARN([neither ld nor gold are enabled])
400 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
403 AC_MSG_ERROR([invalid --enable-ld argument])
407 # Configure extra directories which are host specific
411 configdirs="$configdirs libtermcap" ;;
414 # A target can indicate whether a language isn't supported for some reason.
415 # Only spaces may be used in this macro; not newlines or tabs.
416 unsupported_languages=
418 # Remove more programs from consideration, based on the host or
419 # target this usually means that a port of the program doesn't
423 i[[3456789]]86-*-msdosdjgpp*)
424 noconfigdirs="$noconfigdirs tcl tk itcl libffi"
427 noconfigdirs="$noconfigdirs newlib"
429 i[[3456789]]86-*-mingw32*)
430 noconfigdirs="$noconfigdirs newlib"
435 AC_ARG_ENABLE(libquadmath,
436 AS_HELP_STRING([--disable-libquadmath],
437 [do not build libquadmath directory]),
438 ENABLE_LIBQUADMATH=$enableval,
439 ENABLE_LIBQUADMATH=yes)
440 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
441 noconfigdirs="$noconfigdirs target-libquadmath"
445 AC_ARG_ENABLE(libquadmath-support,
446 AS_HELP_STRING([--disable-libquadmath-support],
447 [disable libquadmath support for Fortran]),
448 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
449 ENABLE_LIBQUADMATH_SUPPORT=yes)
450 enable_libquadmath_support=
451 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
452 enable_libquadmath_support=no
456 AC_ARG_ENABLE(libada,
457 [AS_HELP_STRING([--enable-libada], [build libada directory])],
458 ENABLE_LIBADA=$enableval,
460 if test "${ENABLE_LIBADA}" != "yes" ; then
461 noconfigdirs="$noconfigdirs gnattools"
464 AC_ARG_ENABLE(libssp,
465 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
466 ENABLE_LIBSSP=$enableval,
469 # Save it here so that, even in case of --enable-libgcj, if the Java
470 # front-end isn't enabled, we still get libgcj disabled.
472 case $enable_libgcj in
474 # If we reset it here, it won't get added to noconfigdirs in the
475 # target-specific build rules, so it will be forcibly enabled
476 # (unless the Java language itself isn't enabled).
480 # Make sure we get it printed in the list of not supported target libs.
481 # Don't disable libffi, though, other languages use it.
482 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
483 # Clear libgcj_saved so that even if java is enabled libffi won't be
490 # Disable libmudflap on some systems.
491 if test x$enable_libmudflap = x ; then
493 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
494 # Enable libmudflap by default in GNU and friends.
497 # Enable libmudflap by default in FreeBSD.
500 # Disable it by default everywhere else.
501 noconfigdirs="$noconfigdirs target-libmudflap"
506 # Disable libgomp on non POSIX hosted systems.
507 if test x$enable_libgomp = x ; then
508 # Enable libgomp by default on hosted POSIX systems.
510 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
512 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
514 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
516 *-*-darwin* | *-*-aix*)
519 noconfigdirs="$noconfigdirs target-libgomp"
524 # Default libgloss CPU subdirectory.
525 libgloss_dir="$target_cpu"
529 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
532 noconfigdirs="$noconfigdirs ld gas gdb gprof"
533 noconfigdirs="$noconfigdirs sim target-rda"
535 i[[3456789]]86-*-darwin*)
536 noconfigdirs="$noconfigdirs ld gprof"
537 noconfigdirs="$noconfigdirs sim target-rda"
539 x86_64-*-darwin[[912]]*)
540 noconfigdirs="$noconfigdirs ld gas gprof"
541 noconfigdirs="$noconfigdirs sim target-rda"
544 noconfigdirs="$noconfigdirs ld gas gdb gprof"
545 noconfigdirs="$noconfigdirs sim target-rda"
546 noconfigdirs="$noconfigdirs ${libgcj}"
548 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
549 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
552 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
553 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
554 && test -f /usr/local/include/gmp.h; then
558 # Skip some stuff that's unsupported on some FreeBSD configurations.
564 noconfigdirs="$noconfigdirs ${libgcj}"
569 # Remove unsupported stuff on all kaOS configurations.
570 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3"
571 skipdirs="$skipdirs target-libobjc"
572 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
573 noconfigdirs="$noconfigdirs target-libgloss"
576 # Skip some stuff on all NetBSD configurations.
577 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
579 # Skip some stuff that's unsupported on some NetBSD configurations.
581 i*86-*-netbsdelf*) ;;
582 arm*-*-netbsdelf*) ;;
584 noconfigdirs="$noconfigdirs ${libgcj}"
589 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj}"
592 skipdirs="${skipdirs} target-libiberty"
593 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
595 # The tpf target doesn't support gdb yet.
597 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} gdb tcl tk libgui itcl"
600 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
603 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
606 # ld works, but does not support shared libraries.
607 # newlib is not 64 bit ready.
608 # gas doesn't generate exception information.
609 noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
612 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
615 # newlib is not 64 bit ready
616 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
619 # newlib is not 64 bit ready
620 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
623 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
626 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
628 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
629 noconfigdirs="$noconfigdirs ${libgcj}"
630 noconfigdirs="$noconfigdirs target-libiberty"
631 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
632 # the C++ libraries don't build on top of CE's C libraries
633 noconfigdirs="$noconfigdirs target-libstdc++-v3"
634 noconfigdirs="$noconfigdirs target-newlib"
638 noconfigdirs="$noconfigdirs target-libgloss"
641 noconfigdirs="$noconfigdirs ${libgcj}"
644 arm-*-elf* | arm*-*-eabi* )
645 noconfigdirs="$noconfigdirs target-libffi"
648 arm*-*-linux-gnueabi)
649 noconfigdirs="$noconfigdirs"
650 case ${with_newlib} in
651 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
656 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
660 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
663 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
666 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
669 unsupported_languages="$unsupported_languages java"
670 noconfigdirs="$noconfigdirs target-boehm-gc"
671 if test x${is_cross_compiler} != xno ; then
672 target_configdirs="${target_configdirs} target-bsp target-cygmon"
676 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
678 c54x*-*-* | tic54x-*-*)
679 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
682 noconfigdirs="$noconfigdirs ${libgcj} gdb"
684 cris-*-* | crisv32-*-*)
685 unsupported_languages="$unsupported_languages java"
688 unsupported_languages="$unsupported_languages fortran"
689 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
690 *-*-elf) # See PR46792 regarding target-libffi.
691 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
693 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
695 unsupported_languages="$unsupported_languages fortran"
696 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
701 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
704 noconfigdirs="$noconfigdirs ${libgcj} gdb"
707 noconfigdirs="$noconfigdirs ${libgcj} gdb"
710 noconfigdirs="$noconfigdirs ${libgcj}"
713 noconfigdirs="$noconfigdirs ${libgcj}"
714 noconfigdirs="$noconfigdirs gprof"
717 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
720 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
722 hppa1.1-*-osf* | hppa1.1-*-bsd* )
725 # In this case, it's because the hppa64-linux target is for
726 # the kernel only at this point and has no libc, and thus no
727 # headers, crt*.o, etc., all of which are needed by these.
728 noconfigdirs="$noconfigdirs target-zlib"
736 noconfigdirs="$noconfigdirs ${libgcj}"
739 noconfigdirs="$noconfigdirs ld"
745 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
746 # build on HP-UX 10.20.
747 noconfigdirs="$noconfigdirs ld ${libgcj}"
750 noconfigdirs="$noconfigdirs ${libgcj} gdb"
753 # No gdb support yet.
754 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
758 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
761 # No gdb or ld support yet.
762 noconfigdirs="$noconfigdirs ${libgcj} readline libgui itcl gdb ld"
764 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
765 noconfigdirs="$noconfigdirs ${libgcj}"
768 i[[3456789]]86-*-linux*)
769 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
770 # not build java stuff by default.
773 noconfigdirs="$noconfigdirs ${libgcj}";;
776 # This section makes it possible to build newlib natively on linux.
777 # If we are using a cross compiler then don't configure newlib.
778 if test x${is_cross_compiler} != xno ; then
779 noconfigdirs="$noconfigdirs target-newlib"
781 noconfigdirs="$noconfigdirs target-libgloss"
782 # If we are not using a cross compiler, do configure newlib.
783 # Note however, that newlib will only be configured in this situation
784 # if the --with-newlib option has been given, because otherwise
785 # 'target-newlib' will appear in skipdirs.
787 i[[3456789]]86-w64-mingw*)
788 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
790 i[[3456789]]86-*-mingw*)
791 target_configdirs="$target_configdirs target-winsup"
792 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
795 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
798 target_configdirs="$target_configdirs target-libtermcap target-winsup"
799 noconfigdirs="$noconfigdirs target-libgloss"
800 # always build newlib if winsup directory is present.
801 if test -d "$srcdir/winsup/cygwin"; then
802 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
803 elif test -d "$srcdir/newlib"; then
804 echo "Warning: winsup/cygwin is missing so newlib can't be built."
807 i[[3456789]]86-*-interix* )
810 noconfigdirs="$noconfigdirs target-libgloss"
812 i[[3456789]]86-*-sco3.2v5*)
813 # The linker does not yet know about weak symbols in COFF,
814 # and is not configured to handle mixed ELF and COFF.
815 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
817 i[[3456789]]86-*-sco*)
818 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
820 i[[3456789]]86-*-solaris2*)
821 noconfigdirs="$noconfigdirs target-libgloss"
823 i[[3456789]]86-*-sysv4*)
824 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
826 i[[3456789]]86-*-beos*)
827 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
829 i[[3456789]]86-*-rdos*)
830 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
833 noconfigdirs="$noconfigdirs ${libgcj}"
835 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
836 noconfigdirs="$noconfigdirs target-libiberty"
840 noconfigdirs="$noconfigdirs ${libgcj}"
843 noconfigdirs="$noconfigdirs ${libgcj}"
849 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
850 unsupported_languages="$unsupported_languages fortran java"
853 noconfigdirs="$noconfigdirs ${libgcj}"
856 noconfigdirs="$noconfigdirs ${libgcj}"
859 noconfigdirs="$noconfigdirs sim"
862 noconfigdirs="$noconfigdirs target-libiberty"
865 # copied from rs6000-*-* entry
866 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
868 powerpc*-*-winnt* | powerpc*-*-pe*)
869 target_configdirs="$target_configdirs target-winsup"
870 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl ${libgcj}"
871 # always build newlib.
872 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
874 # This is temporary until we can link against shared libraries
875 powerpcle-*-solaris*)
876 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl ${libgcj}"
880 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
883 noconfigdirs="$noconfigdirs ${libgcj}"
886 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
890 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
893 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
896 noconfigdirs="$noconfigdirs gprof ${libgcj}"
899 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
902 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
905 skipdirs="$skipdirs target-libiberty"
906 noconfigdirs="$noconfigdirs ${libgcj}"
907 if test x$with_newlib = xyes; then
908 noconfigdirs="$noconfigdirs gprof"
913 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
916 # Linking libjava exceeds command-line length limits on at least
917 # IRIX 6.2, but not on IRIX 6.5.
918 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
919 # <oldham@codesourcery.com>
920 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
923 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
926 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
929 noconfigdirs="$noconfigdirs gprof ${libgcj}"
933 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
938 noconfigdirs="$noconfigdirs ${libgcj}" ;;
940 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
943 sparclet-*-aout* | sparc86x-*-*)
947 noconfigdirs="$noconfigdirs ${libgcj}"
950 noconfigdirs="$noconfigdirs ${libgcj}"
954 noconfigdirs="$noconfigdirs ${libgcj}"
958 noconfigdirs="$noconfigdirs ${libgcj}"
959 if test x${is_cross_compiler} != xno ; then
960 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
965 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
966 noconfigdirs="$noconfigdirs ${libgcj}"
968 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
971 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
974 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
977 noconfigdirs="$noconfigdirs ${libgcj}"
980 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
983 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
986 noconfigdirs="$noconfigdirs ${libgcj}"
989 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
991 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
992 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
995 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
998 noconfigdirs="$noconfigdirs ${libgcj}"
1002 # If we aren't building newlib, then don't build libgloss, since libgloss
1003 # depends upon some newlib header files.
1004 case "${noconfigdirs}" in
1005 *target-libgloss*) ;;
1006 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1009 # Work in distributions that contain no compiler tools, like Autoconf.
1010 host_makefile_frag=/dev/null
1011 if test -d ${srcdir}/config ; then
1013 i[[3456789]]86-*-msdosdjgpp*)
1014 host_makefile_frag="config/mh-djgpp"
1017 ACX_CHECK_CYGWIN_CAT_WORKS
1018 host_makefile_frag="config/mh-cygwin"
1021 host_makefile_frag="config/mh-mingw"
1024 host_makefile_frag="config/mh-interix"
1027 host_makefile_frag="config/mh-pa-hpux10"
1030 host_makefile_frag="config/mh-pa"
1033 host_makefile_frag="config/mh-pa"
1036 host_makefile_frag="config/mh-darwin"
1039 host_makefile_frag="config/mh-ppc-aix"
1042 host_makefile_frag="config/mh-ppc-aix"
1047 if test "${build}" != "${host}" ; then
1048 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1049 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1050 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1051 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1052 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1053 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1054 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1055 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1056 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1057 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1058 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1059 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1060 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1062 AR_FOR_BUILD="\$(AR)"
1063 AS_FOR_BUILD="\$(AS)"
1064 CC_FOR_BUILD="\$(CC)"
1065 CXX_FOR_BUILD="\$(CXX)"
1066 GCJ_FOR_BUILD="\$(GCJ)"
1067 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1068 GOC_FOR_BUILD="\$(GOC)"
1069 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1070 LD_FOR_BUILD="\$(LD)"
1071 NM_FOR_BUILD="\$(NM)"
1072 RANLIB_FOR_BUILD="\$(RANLIB)"
1073 WINDRES_FOR_BUILD="\$(WINDRES)"
1074 WINDMC_FOR_BUILD="\$(WINDMC)"
1080 # We must set the default linker to the linker used by gcc for the correct
1081 # operation of libtool. If LD is not defined and we are using gcc, try to
1082 # set the LD default to the ld used by gcc.
1083 if test -z "$LD"; then
1084 if test "$GCC" = yes; then
1087 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1089 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1091 case $gcc_prog_ld in
1092 # Accept absolute paths.
1093 [[\\/]* | [A-Za-z]:[\\/]*)]
1094 LD="$gcc_prog_ld" ;;
1100 ACX_PROG_CMP_IGNORE_INITIAL
1102 # See if we are building gcc with C++.
1103 AC_ARG_ENABLE(build-with-cxx,
1104 [AS_HELP_STRING([--enable-build-with-cxx],
1105 [build with C++ compiler instead of C compiler])],
1106 ENABLE_BUILD_WITH_CXX=$enableval,
1107 ENABLE_BUILD_WITH_CXX=no)
1109 # Used for setting $lt_cv_objdir
1112 # Check for GMP, MPFR and MPC
1113 gmplibs="-lmpc -lmpfr -lgmp"
1117 # Specify a location for mpc
1118 # check for this first so it ends up on the link line before mpfr.
1120 [AS_HELP_STRING([--with-mpc=PATH],
1121 [specify prefix directory for installed MPC package.
1122 Equivalent to --with-mpc-include=PATH/include
1123 plus --with-mpc-lib=PATH/lib])])
1124 AC_ARG_WITH(mpc-include,
1125 [AS_HELP_STRING([--with-mpc-include=PATH],
1126 [specify directory for installed MPC include files])])
1127 AC_ARG_WITH(mpc-lib,
1128 [AS_HELP_STRING([--with-mpc-lib=PATH],
1129 [specify directory for the installed MPC library])])
1131 if test "x$with_mpc" != x; then
1132 gmplibs="-L$with_mpc/lib $gmplibs"
1133 gmpinc="-I$with_mpc/include $gmpinc"
1135 if test "x$with_mpc_include" != x; then
1136 gmpinc="-I$with_mpc_include $gmpinc"
1138 if test "x$with_mpc_lib" != x; then
1139 gmplibs="-L$with_mpc_lib $gmplibs"
1141 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1142 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1143 gmpinc='-I$$s/mpc/src '"$gmpinc"
1144 # Do not test the mpc version. Assume that it is sufficient, since
1145 # it is in the source tree, and the library has not been built yet
1146 # but it would be included on the link line in the version check below
1147 # hence making the test fail.
1151 # Specify a location for mpfr
1152 # check for this first so it ends up on the link line before gmp.
1153 AC_ARG_WITH(mpfr-dir,
1154 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1155 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1156 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1159 [AS_HELP_STRING([--with-mpfr=PATH],
1160 [specify prefix directory for installed MPFR package.
1161 Equivalent to --with-mpfr-include=PATH/include
1162 plus --with-mpfr-lib=PATH/lib])])
1163 AC_ARG_WITH(mpfr-include,
1164 [AS_HELP_STRING([--with-mpfr-include=PATH],
1165 [specify directory for installed MPFR include files])])
1166 AC_ARG_WITH(mpfr-lib,
1167 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1168 [specify directory for the installed MPFR library])])
1170 if test "x$with_mpfr" != x; then
1171 gmplibs="-L$with_mpfr/lib $gmplibs"
1172 gmpinc="-I$with_mpfr/include $gmpinc"
1174 if test "x$with_mpfr_include" != x; then
1175 gmpinc="-I$with_mpfr_include $gmpinc"
1177 if test "x$with_mpfr_lib" != x; then
1178 gmplibs="-L$with_mpfr_lib $gmplibs"
1180 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1181 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1182 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1183 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1184 # Do not test the mpfr version. Assume that it is sufficient, since
1185 # it is in the source tree, and the library has not been built yet
1186 # but it would be included on the link line in the version check below
1187 # hence making the test fail.
1191 # Specify a location for gmp
1192 AC_ARG_WITH(gmp-dir,
1193 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1194 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1195 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1198 [AS_HELP_STRING([--with-gmp=PATH],
1199 [specify prefix directory for the installed GMP package.
1200 Equivalent to --with-gmp-include=PATH/include
1201 plus --with-gmp-lib=PATH/lib])])
1202 AC_ARG_WITH(gmp-include,
1203 [AS_HELP_STRING([--with-gmp-include=PATH],
1204 [specify directory for installed GMP include files])])
1205 AC_ARG_WITH(gmp-lib,
1206 [AS_HELP_STRING([--with-gmp-lib=PATH],
1207 [specify directory for the installed GMP library])])
1210 if test "x$with_gmp" != x; then
1211 gmplibs="-L$with_gmp/lib $gmplibs"
1212 gmpinc="-I$with_gmp/include $gmpinc"
1214 if test "x$with_gmp_include" != x; then
1215 gmpinc="-I$with_gmp_include $gmpinc"
1217 if test "x$with_gmp_lib" != x; then
1218 gmplibs="-L$with_gmp_lib $gmplibs"
1220 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1221 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1222 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1223 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1224 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1225 # Do not test the gmp version. Assume that it is sufficient, since
1226 # it is in the source tree, and the library has not been built yet
1227 # but it would be included on the link line in the version check below
1228 # hence making the test fail.
1232 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1234 saved_CFLAGS="$CFLAGS"
1235 CFLAGS="$CFLAGS $gmpinc"
1236 # Check for the recommended and required versions of GMP.
1237 AC_MSG_CHECKING([for the correct version of gmp.h])
1238 AC_TRY_COMPILE([#include "gmp.h"],[
1239 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1240 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1241 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1244 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1245 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1246 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1247 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1250 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1251 [AC_MSG_RESULT([no]); have_gmp=no])
1253 # If we have GMP, check the MPFR version.
1254 if test x"$have_gmp" = xyes; then
1255 # Check for the recommended and required versions of MPFR.
1256 AC_MSG_CHECKING([for the correct version of mpfr.h])
1257 AC_TRY_COMPILE([#include <gmp.h>
1258 #include <mpfr.h>],[
1259 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1262 ], [AC_TRY_COMPILE([#include <gmp.h>
1263 #include <mpfr.h>],[
1264 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1267 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1268 [AC_MSG_RESULT([no]); have_gmp=no])
1271 # Check for the MPC header version.
1272 if test x"$have_gmp" = xyes ; then
1273 # Check for the recommended and required versions of MPC.
1274 AC_MSG_CHECKING([for the correct version of mpc.h])
1275 AC_TRY_COMPILE([#include <mpc.h>],[
1276 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1279 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1280 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1283 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1284 [AC_MSG_RESULT([no]); have_gmp=no])
1287 # Now check the MPFR library.
1288 if test x"$have_gmp" = xyes; then
1290 LIBS="$LIBS $gmplibs"
1291 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1292 AC_TRY_LINK([#include <mpc.h>],[
1299 mpfr_atan2 (n, n, x, GMP_RNDN);
1300 mpfr_erfc (n, x, GMP_RNDN);
1301 mpfr_subnormalize (x, t, GMP_RNDN);
1305 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1306 mpc_cosh (c, c, MPC_RNDNN);
1307 mpc_pow (c, c, c, MPC_RNDNN);
1308 mpc_acosh (c, c, MPC_RNDNN);
1310 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1314 CFLAGS="$saved_CFLAGS"
1316 # The library versions listed in the error message below should match
1317 # the HARD-minimums enforced above.
1318 if test x$have_gmp != xyes; then
1319 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1320 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1321 their locations. Source code for these libraries can be found at
1322 their respective hosting sites as well as at
1323 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1324 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1325 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1326 make sure that you have installed both the libraries and the header
1327 files. They may be located in separate packages.])
1331 # Flags needed for both GMP, MPFR and/or MPC.
1334 AC_SUBST(extra_mpfr_configure_flags)
1335 AC_SUBST(extra_mpc_gmp_configure_flags)
1336 AC_SUBST(extra_mpc_mpfr_configure_flags)
1338 # Allow host libstdc++ to be specified for static linking with PPL.
1339 AC_ARG_WITH(host-libstdcxx,
1340 [AS_HELP_STRING([--with-host-libstdcxx=L],
1341 [use linker arguments L to link with libstdc++
1342 when linking with PPL])])
1344 case $with_host_libstdcxx in
1346 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1350 # Linker flags to use for stage1 or when not boostrapping.
1351 AC_ARG_WITH(stage1-ldflags,
1352 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1353 [if test "$withval" = "no" -o "$withval" = "yes"; then
1356 stage1_ldflags=$withval
1359 AC_SUBST(stage1_ldflags)
1361 # Libraries to use for stage1 or when not bootstrapping.
1362 AC_ARG_WITH(stage1-libs,
1363 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1364 [if test "$withval" = "no" -o "$withval" = "yes"; then
1367 stage1_libs=$withval
1369 [stage1_libs=$with_host_libstdcxx])
1370 AC_SUBST(stage1_libs)
1372 # Libraries to use for stage2 and later builds. This defaults to the
1373 # argument passed to --with-host-libstdcxx.
1374 AC_ARG_WITH(boot-libs,
1375 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1376 [if test "$withval" = "no" -o "$withval" = "yes"; then
1379 poststage1_libs=$withval
1381 [poststage1_libs=$with_host_libstdcxx])
1382 AC_SUBST(poststage1_libs)
1384 # Linker flags to use for stage2 and later builds.
1385 AC_ARG_WITH(boot-ldflags,
1386 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1387 [linker flags for stage2 and later])],
1388 [if test "$withval" = "no" -o "$withval" = "yes"; then
1391 poststage1_ldflags=$withval
1393 [poststage1_ldflags=
1394 # In stages 2 and 3, default to linking libstdc++ and libgcc
1395 # statically. But if the user explicitly specified the libraries to
1396 # use, trust that they are doing what they want.
1397 if test "$poststage1_libs" = ""; then
1398 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1400 AC_SUBST(poststage1_ldflags)
1408 [AS_HELP_STRING([--with-ppl=PATH],
1409 [specify prefix directory for the installed PPL package.
1410 Equivalent to --with-ppl-include=PATH/include
1411 plus --with-ppl-lib=PATH/lib])])
1412 AC_ARG_WITH(ppl-include,
1413 [AS_HELP_STRING([--with-ppl-include=PATH],
1414 [specify directory for installed PPL include files])])
1415 AC_ARG_WITH(ppl-lib,
1416 [AS_HELP_STRING([--with-ppl-lib=PATH],
1417 [specify directory for the installed PPL library])])
1419 AC_ARG_ENABLE(ppl-version-check,
1420 [AS_HELP_STRING([--disable-ppl-version-check],
1421 [disable check for PPL version])])
1427 ppllibs="-L$with_ppl/lib"
1428 pplinc="-I$with_ppl/include $pplinc"
1429 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1432 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1437 if test x"$with_ppl_include" != x; then
1438 pplinc="-I$with_ppl_include $pplinc"
1442 if test "x$with_ppl_lib" != x; then
1443 ppllibs="-L$with_ppl_lib"
1447 if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1448 if test x"$enable_watchdog" = xyes; then
1451 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1452 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1453 enable_ppl_version_check=no
1457 if test "x$with_ppl" != xno; then
1458 if test "x$pwllib" = x; then
1460 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1461 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1465 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1467 if test "$enable_ppl_version_check" != no; then
1468 saved_CFLAGS="$CFLAGS"
1469 CFLAGS="$CFLAGS $pplinc $gmpinc"
1470 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1471 AC_TRY_COMPILE([#include "ppl_c.h"],[
1472 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1475 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1476 CFLAGS="$saved_CFLAGS"
1480 # Flags needed for PPL
1487 dnl Provide configure switches and initialize clooginc & clooglibs
1488 dnl with user input.
1490 if test "x$with_ppl" = "xno"; then
1491 dnl Only execute fail-action, if CLooG has been requested.
1492 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1493 if test "${graphite_requested}" = yes; then
1494 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1498 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1499 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1500 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1501 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
1503 if test "x$with_cloog" != "xno"; then
1504 dnl The minimal version of CLooG required for Graphite.
1506 dnl If we use CLooG-Legacy, the provided version information is
1508 CLOOG_CHECK_VERSION(0,16,1)
1510 dnl Only execute fail-action, if CLooG has been requested.
1512 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1515 # Check for LTO support.
1517 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1518 enable_lto=$enableval,
1519 enable_lto=yes; default_enable_lto=yes)
1521 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1522 build_lto_plugin=yes
1523 ],[if test x"$default_enable_lto" = x"yes" ; then
1525 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
1526 # On other non-ELF platforms, LTO has yet to be validated.
1530 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1531 # It would also be nice to check the binutils support, but we don't
1532 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1533 # warn during gcc/ subconfigure; unless you're bootstrapping with
1534 # -flto it won't be needed until after installation anyway.
1536 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1537 *) if test x"$enable_lto" = x"yes"; then
1538 AC_MSG_ERROR([LTO support is not enabled for this target.])
1543 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1544 # Build it unless LTO was explicitly disabled.
1546 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1552 # By default, C is the only stage 1 language.
1553 stage1_languages=,c,
1555 # Target libraries that we bootstrap.
1556 bootstrap_target_libs=,target-libgcc,
1558 # Figure out what language subdirectories are present.
1559 # Look if the user specified --enable-languages="..."; if not, use
1560 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1562 # NB: embedded tabs in this IF block -- do not untabify
1563 if test -d ${srcdir}/gcc; then
1564 if test x"${enable_languages+set}" != xset; then
1565 if test x"${LANGUAGES+set}" = xset; then
1566 enable_languages="${LANGUAGES}"
1567 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1569 enable_languages=all
1572 if test x"${enable_languages}" = x ||
1573 test x"${enable_languages}" = xyes;
1575 echo configure.in: --enable-languages needs at least one language argument 1>&2
1579 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1581 # 'f95' is the old name for the 'fortran' language. We issue a warning
1582 # and make the substitution.
1583 case ,${enable_languages}, in
1585 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1586 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1590 # First scan to see if an enabled language requires some other language.
1591 # We assume that a given config-lang.in will list all the language
1592 # front ends it requires, even if some are required indirectly.
1593 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1594 case ${lang_frag} in
1596 # The odd quoting in the next line works around
1597 # an apparent bug in bash 1.12 on linux.
1598 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1600 # From the config-lang.in, get $language, $lang_requires, and
1601 # $lang_requires_boot_languages.
1604 lang_requires_boot_languages=
1606 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1607 case ,${enable_languages}, in
1611 echo " \`$other' language required by \`$language'; enabling" 1>&2
1612 enable_languages="${enable_languages},${other}"
1616 for other in ${lang_requires_boot_languages} ; do
1617 if test "$other" != "c"; then
1618 case ,${enable_stage1_languages}, in
1622 case ,${enable_languages}, in
1624 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1625 enable_stage1_languages="$enable_stage1_languages,${other}"
1636 new_enable_languages=,c,
1638 # If LTO is enabled, add the LTO front end.
1639 extra_host_libiberty_configure_flags=
1640 if test "$enable_lto" = "yes" ; then
1641 case ,${enable_languages}, in
1643 *) enable_languages="${enable_languages},lto" ;;
1645 if test "${build_lto_plugin}" = "yes" ; then
1646 configdirs="$configdirs lto-plugin"
1647 extra_host_libiberty_configure_flags=--enable-shared
1650 AC_SUBST(extra_host_libiberty_configure_flags)
1652 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1653 potential_languages=,c,
1655 enabled_target_libs=
1656 disabled_target_libs=
1658 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1659 case ${lang_frag} in
1661 # The odd quoting in the next line works around
1662 # an apparent bug in bash 1.12 on linux.
1663 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1665 # From the config-lang.in, get $language, $target_libs,
1666 # $lang_dirs, $boot_language, and $build_by_default
1672 build_by_default=yes
1674 if test x${language} = x; then
1675 echo "${lang_frag} doesn't set \$language." 1>&2
1679 if test "$language" = "c++" \
1680 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1684 case ,${enable_languages}, in
1686 # Language was explicitly selected; include it.
1690 # 'all' was selected, select it if it is a default language
1691 add_this_lang=${build_by_default}
1698 # Disable languages that need other directories if these aren't available.
1699 for i in $subdir_requires; do
1700 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1701 case ,${enable_languages}, in
1703 # Specifically requested language; tell them.
1704 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1708 add_this_lang=unsupported
1713 # Disable Ada if no preexisting GNAT is available.
1714 case ,${enable_languages},:${language}:${have_gnat} in
1715 *,${language},*:ada:no)
1716 # Specifically requested language; tell them.
1717 AC_MSG_ERROR([GNAT is required to build $language])
1721 add_this_lang=unsupported
1725 # Disable a language that is unsupported by the target.
1726 case " $unsupported_languages " in
1728 add_this_lang=unsupported
1732 case $add_this_lang in
1734 # Remove language-dependent dirs.
1735 disabled_target_libs="$disabled_target_libs $target_libs"
1736 noconfigdirs="$noconfigdirs $lang_dirs"
1739 # Remove language-dependent dirs; still show language as supported.
1740 disabled_target_libs="$disabled_target_libs $target_libs"
1741 noconfigdirs="$noconfigdirs $lang_dirs"
1742 potential_languages="${potential_languages}${language},"
1745 new_enable_languages="${new_enable_languages}${language},"
1746 potential_languages="${potential_languages}${language},"
1747 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1748 enabled_target_libs="$enabled_target_libs $target_libs"
1749 case "${boot_language}:,$enable_stage1_languages," in
1750 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1751 # Add to (comma-separated) list of stage 1 languages.
1752 case ",$stage1_languages," in
1753 *,$language,* | ,yes, | ,all,) ;;
1754 *) stage1_languages="${stage1_languages}${language}," ;;
1756 # We need to bootstrap any supporting libraries.
1757 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1766 # Add target libraries which are only needed for disabled languages
1768 if test -n "$disabled_target_libs"; then
1769 for dir in $disabled_target_libs; do
1770 case " $enabled_target_libs " in
1772 *) noconfigdirs="$noconfigdirs $dir" ;;
1777 AC_ARG_ENABLE(stage1-languages,
1778 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1779 [choose additional languages to build during
1780 stage1. Mostly useful for compiler development])],
1781 [case ,${enable_stage1_languages}, in
1783 # Set it to something that will have no effect in the loop below
1784 enable_stage1_languages=c ;;
1786 enable_stage1_languages=`echo $new_enable_languages | \
1787 sed -e "s/^,//" -e "s/,$//" ` ;;
1789 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1790 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1793 # Add "good" languages from enable_stage1_languages to stage1_languages,
1794 # while "bad" languages go in missing_languages. Leave no duplicates.
1795 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1796 case $potential_languages in
1798 case $stage1_languages in
1800 *) stage1_languages="$stage1_languages$i," ;;
1803 case $missing_languages in
1805 *) missing_languages="$missing_languages$i," ;;
1810 # Remove leading/trailing commas that were added for simplicity
1811 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1812 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1813 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1814 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1816 if test "x$missing_languages" != x; then
1818 The following requested languages could not be built: ${missing_languages}
1819 Supported languages are: ${potential_languages}])
1821 if test "x$new_enable_languages" != "x$enable_languages"; then
1822 echo The following languages will be built: ${new_enable_languages}
1823 enable_languages="$new_enable_languages"
1826 AC_SUBST(stage1_languages)
1827 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1830 # Handle --disable-<component> generically.
1831 for dir in $configdirs $build_configdirs $target_configdirs ; do
1832 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1833 varname=`echo $dirname | sed -e s/+/_/g`
1834 if eval test x\${enable_${varname}} "=" xno ; then
1835 noconfigdirs="$noconfigdirs $dir"
1839 # Check for Boehm's garbage collector
1840 AC_ARG_ENABLE(objc-gc,
1841 [AS_HELP_STRING([--enable-objc-gc],
1842 [enable use of Boehm's garbage collector with the
1843 GNU Objective-C runtime])],
1844 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1845 *,objc,*:*:yes:*target-boehm-gc*)
1846 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1850 # Make sure we only build Boehm's garbage collector if required.
1851 case ,${enable_languages},:${enable_objc_gc} in
1853 # Keep target-boehm-gc if requested for Objective-C.
1856 # Otherwise remove target-boehm-gc depending on target-libjava.
1857 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1858 noconfigdirs="$noconfigdirs target-boehm-gc"
1863 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1864 # $build_configdirs and $target_configdirs.
1865 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1868 for dir in . $skipdirs $noconfigdirs ; do
1869 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1870 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1871 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1872 if test -r $srcdir/$dirname/configure ; then
1873 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1876 notsupp="$notsupp $dir"
1880 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1881 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1882 if test -r $srcdir/$dirname/configure ; then
1883 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1886 notsupp="$notsupp $dir"
1890 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1891 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1892 if test -r $srcdir/$dirname/configure ; then
1893 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1896 notsupp="$notsupp $dir"
1902 # Sometimes the tools are distributed with libiberty but with no other
1903 # libraries. In that case, we don't want to build target-libiberty.
1904 # Don't let libgcc imply libiberty either.
1905 if test -n "${target_configdirs}" ; then
1908 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1909 if test "$i" = "libgcc"; then
1910 libgcc=target-libgcc
1911 elif test "$i" != "libiberty" ; then
1912 if test -r $srcdir/$i/configure ; then
1918 if test -z "${others}" ; then
1919 target_configdirs=$libgcc
1923 # Quietly strip out all directories which aren't configurable in this tree.
1924 # This relies on all configurable subdirectories being autoconfiscated, which
1926 build_configdirs_all="$build_configdirs"
1928 for i in ${build_configdirs_all} ; do
1929 j=`echo $i | sed -e s/build-//g`
1930 if test -f ${srcdir}/$j/configure ; then
1931 build_configdirs="${build_configdirs} $i"
1935 configdirs_all="$configdirs"
1937 for i in ${configdirs_all} ; do
1938 if test -f ${srcdir}/$i/configure ; then
1939 configdirs="${configdirs} $i"
1943 target_configdirs_all="$target_configdirs"
1945 for i in ${target_configdirs_all} ; do
1946 j=`echo $i | sed -e s/target-//g`
1947 if test -f ${srcdir}/$j/configure ; then
1948 target_configdirs="${target_configdirs} $i"
1952 # Produce a warning message for the subdirs we can't configure.
1953 # This isn't especially interesting in the Cygnus tree, but in the individual
1954 # FSF releases, it's important to let people know when their machine isn't
1955 # supported by the one or two programs in a package.
1957 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1958 # If $appdirs is non-empty, at least one of those directories must still
1959 # be configured, or we error out. (E.g., if the gas release supports a
1960 # specified target in some subdirs but not the gas subdir, we shouldn't
1961 # pretend that all is well.)
1962 if test -n "$appdirs" ; then
1963 for dir in $appdirs ; do
1964 if test -r $dir/Makefile.in ; then
1965 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1969 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1975 if test -n "$appdirs" ; then
1976 echo "*** This configuration is not supported by this package." 1>&2
1980 # Okay, some application will build, or we don't care to check. Still
1981 # notify of subdirs not getting built.
1982 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1983 echo " ${notsupp}" 1>&2
1984 echo " (Any other directories should still work fine.)" 1>&2
1992 # To find our prefix, in gcc_cv_tool_prefix.
1997 AC_ARG_WITH([build-sysroot],
1998 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
1999 [use sysroot as the system root during the build])],
2000 [if test x"$withval" != x ; then
2001 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2003 [SYSROOT_CFLAGS_FOR_TARGET=])
2004 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2006 AC_ARG_WITH([debug-prefix-map],
2007 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2008 [map A to B, C to D ... in debug information])],
2009 [if test x"$withval" != x; then
2010 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2011 for debug_map in $withval; do
2012 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2015 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2016 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2018 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2019 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2020 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2021 # We want to ensure that TARGET libraries (which we know are built with
2022 # gcc) are built with "-O2 -g", so include those options when setting
2023 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2024 if test "x$CFLAGS_FOR_TARGET" = x; then
2025 CFLAGS_FOR_TARGET=$CFLAGS
2028 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2031 *" -g "* | *" -g3 "*) ;;
2032 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2035 AC_SUBST(CFLAGS_FOR_TARGET)
2037 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2038 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2039 case " $CXXFLAGS " in
2041 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2043 case " $CXXFLAGS " in
2044 *" -g "* | *" -g3 "*) ;;
2045 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2048 AC_SUBST(CXXFLAGS_FOR_TARGET)
2050 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2051 # the named directory are copied to $(tooldir)/sys-include.
2052 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2053 if test x${is_cross_compiler} = xno ; then
2054 echo 1>&2 '***' --with-headers is only supported when cross compiling
2057 if test x"${with_headers}" != xyes ; then
2058 x=${gcc_cv_tool_prefix}
2059 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2063 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2064 # the name directories are copied to $(tooldir)/lib. Multiple directories
2066 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2067 if test x${is_cross_compiler} = xno ; then
2068 echo 1>&2 '***' --with-libs is only supported when cross compiling
2071 if test x"${with_libs}" != xyes ; then
2072 # Copy the libraries in reverse order, so that files in the first named
2073 # library override files in subsequent libraries.
2074 x=${gcc_cv_tool_prefix}
2075 for l in ${with_libs}; do
2076 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2081 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2083 # This is done by determining whether or not the appropriate directory
2084 # is available, and by checking whether or not specific configurations
2085 # have requested that this magic not happen.
2087 # The command line options always override the explicit settings in
2088 # configure.in, and the settings in configure.in override this magic.
2090 # If the default for a toolchain is to use GNU as and ld, and you don't
2091 # want to do that, then you should use the --without-gnu-as and
2092 # --without-gnu-ld options for the configure script. Similarly, if
2093 # the default is to use the included zlib and you don't want to do that,
2094 # you should use the --with-system-zlib option for the configure script.
2096 if test x${use_gnu_as} = x &&
2097 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2099 extra_host_args="$extra_host_args --with-gnu-as"
2102 if test x${use_gnu_ld} = x &&
2103 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2105 extra_host_args="$extra_host_args --with-gnu-ld"
2108 if test x${use_included_zlib} = x &&
2109 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2112 with_system_zlib=yes
2113 extra_host_args="$extra_host_args --with-system-zlib"
2116 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2117 # can detect this case.
2119 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2121 extra_host_args="$extra_host_args --with-newlib"
2124 # Handle ${copy_dirs}
2125 set fnord ${copy_dirs}
2127 while test $# != 0 ; do
2128 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2131 echo Copying $1 to $2
2133 # Use the install script to create the directory and all required
2134 # parent directories.
2135 if test -d $2 ; then
2139 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2142 # Copy the directory, assuming we have tar.
2143 # FIXME: Should we use B in the second tar? Not all systems support it.
2144 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2146 # It is the responsibility of the user to correctly adjust all
2147 # symlinks. If somebody can figure out how to handle them correctly
2148 # here, feel free to add the code.
2155 # Determine a target-dependent exec_prefix that the installed
2156 # gcc will search in. Keep this list sorted by triplet, with
2157 # the *-*-osname triplets last.
2161 md_exec_prefix=/gnu/lib/gcc-lib
2163 i[[34567]]86-pc-msdosdjgpp*)
2164 md_exec_prefix=/dev/env/DJDIR/bin
2166 i[[34567]]86-*-sco3.2v5*)
2167 if test $with_gnu_as = yes; then
2168 md_exec_prefix=/usr/gnu/bin
2170 md_exec_prefix=/usr/ccs/bin/elf
2175 powerpc-*-chorusos* | \
2176 powerpc*-*-eabi* | \
2177 powerpc*-*-sysv* | \
2178 powerpc*-*-kaos* | \
2180 md_exec_prefix=/usr/ccs/bin
2185 md_exec_prefix=/usr/ccs/bin
2200 md_exec_prefix=/usr/ccs/bin
2204 extra_arflags_for_target=
2205 extra_nmflags_for_target=
2206 extra_ranlibflags_for_target=
2207 target_makefile_frag=/dev/null
2210 target_makefile_frag="config/mt-spu"
2213 target_makefile_frag="config/mt-sde"
2215 mipsisa*-*-elfoabi*)
2216 target_makefile_frag="config/mt-mips-elfoabi"
2218 mips*-*-*linux* | mips*-*-gnu*)
2219 target_makefile_frag="config/mt-mips-gnu"
2221 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2222 target_makefile_frag="config/mt-gnu"
2224 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2225 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2226 # commands to handle both 32-bit and 64-bit objects. These flags are
2227 # harmless if we're using GNU nm or ar.
2228 extra_arflags_for_target=" -X32_64"
2229 extra_nmflags_for_target=" -B -X32_64"
2232 # ranlib before Darwin10 requires the -c flag to look at common symbols.
2233 extra_ranlibflags_for_target=" -c"
2237 alphaieee_frag=/dev/null
2240 # This just makes sure to use the -mieee option to build target libs.
2241 # This should probably be set individually by each library.
2242 alphaieee_frag="config/mt-alphaieee"
2246 # If --enable-target-optspace always use -Os instead of -O2 to build
2247 # the target libraries, similarly if it is not specified, use -Os
2248 # on selected platforms.
2249 ospace_frag=/dev/null
2250 case "${enable_target_optspace}:${target}" in
2252 ospace_frag="config/mt-ospace"
2255 ospace_frag="config/mt-d30v"
2257 :m32r-* | :d10v-* | :fr30-*)
2258 ospace_frag="config/mt-ospace"
2263 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2267 # Default to using --with-stabs for certain targets.
2268 if test x${with_stabs} = x ; then
2270 mips*-*-irix[[56]]*)
2272 mips*-*-* | alpha*-*-osf*)
2274 extra_host_args="${extra_host_args} --with-stabs"
2279 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2280 # them automatically.
2283 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2287 # Some systems (e.g., one of the i386-aix systems the gas testers are
2288 # using) don't handle "\$" correctly, so don't use it here.
2289 tooldir='${exec_prefix}'/${target_noncanonical}
2290 build_tooldir=${tooldir}
2292 # Create a .gdbinit file which runs the one in srcdir
2293 # and tells GDB to look there for source files.
2295 if test -r ${srcdir}/.gdbinit ; then
2298 *) cat > ./.gdbinit <<EOF
2302 source ${srcdir}/.gdbinit
2308 # Make sure that the compiler is able to generate an executable. If it
2309 # can't, we are probably in trouble. We don't care whether we can run the
2310 # executable--we might be using a cross compiler--we only care whether it
2311 # can be created. At this point the main configure script has set CC.
2313 echo "int main () { return 0; }" > conftest.c
2314 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2315 if test $? = 0 ; then
2316 if test -s conftest || test -s conftest.exe ; then
2322 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2323 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2330 # The Solaris /usr/ucb/cc compiler does not appear to work.
2332 sparc-sun-solaris2*)
2333 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2334 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2336 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2337 if test -d /opt/cygnus/bin ; then
2338 if test "$could_use" = "" ; then
2339 could_use="/opt/cygnus/bin"
2341 could_use="$could_use or /opt/cygnus/bin"
2344 if test "$could_use" = "" ; then
2345 echo "Warning: compilation may fail because you're using"
2346 echo "/usr/ucb/cc. You should change your PATH or CC "
2347 echo "variable and rerun configure."
2349 echo "Warning: compilation may fail because you're using"
2350 echo "/usr/ucb/cc, when you should use the C compiler from"
2351 echo "$could_use. You should change your"
2352 echo "PATH or CC variable and rerun configure."
2358 # Decide which environment variable is used to find dynamic libraries.
2360 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2361 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2362 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2363 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2366 # On systems where the dynamic library environment variable is PATH,
2367 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2368 # built executables to PATH.
2369 if test "$RPATH_ENVVAR" = PATH; then
2370 GCC_SHLIB_SUBDIR=/shlib
2375 # Record target_configdirs and the configure arguments for target and
2376 # build configuration in Makefile.
2377 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2378 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2380 # If we are building libgomp, bootstrap it.
2381 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2382 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2385 # Determine whether gdb needs tk/tcl or not.
2386 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2387 # and in that case we want gdb to be built without tk. Ugh!
2388 # In fact I believe gdb is the *only* package directly dependent on tk,
2389 # so we should be able to put the 'maybe's in unconditionally and
2390 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2391 # 100% sure that that's safe though.
2393 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2394 case "$enable_gdbtk" in
2398 GDB_TK="${gdb_tk}" ;;
2400 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2401 # distro. Eventually someone will fix this and move Insight, nee
2402 # gdbtk to a separate directory.
2403 if test -d ${srcdir}/gdb/gdbtk ; then
2410 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2411 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2413 # Strip out unwanted targets.
2415 # While at that, we remove Makefiles if we were started for recursive
2416 # configuration, so that the top-level Makefile reconfigures them,
2417 # like we used to do when configure itself was recursive.
2419 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2420 # but now we're fixing up the Makefile ourselves with the additional
2421 # commands passed to AC_CONFIG_FILES. Use separate variables
2422 # extrasub-{build,host,target} not because there is any reason to split
2423 # the substitutions up that way, but only to remain below the limit of
2424 # 99 commands in a script, for HP-UX sed.
2425 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2427 AC_ARG_ENABLE([bootstrap],
2428 [AS_HELP_STRING([--enable-bootstrap],
2429 [enable bootstrapping @<:@yes if native build@:>@])],,
2430 enable_bootstrap=default)
2432 # Issue errors and warnings for invalid/strange bootstrap combinations.
2433 case "$configdirs" in
2434 *gcc*) have_compiler=yes ;;
2435 *) have_compiler=no ;;
2438 case "$have_compiler:$host:$target:$enable_bootstrap" in
2441 # Default behavior. Enable bootstrap if we have a compiler
2442 # and we are in a native configuration.
2443 yes:$build:$build:default)
2444 enable_bootstrap=yes ;;
2447 enable_bootstrap=no ;;
2449 # We have a compiler and we are in a native configuration, bootstrap is ok
2450 yes:$build:$build:yes)
2453 # Other configurations, but we have a compiler. Assume the user knows
2456 AC_MSG_WARN([trying to bootstrap a cross compiler])
2459 # No compiler: if they passed --enable-bootstrap explicitly, fail
2461 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2463 # Fail if wrong command line
2465 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2469 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2472 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2476 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2477 yes:yes:*\ gold\ *:*,c++,*) ;;
2478 yes:yes:*\ gold\ *:*)
2479 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2483 # Adjust the toplevel makefile according to whether bootstrap was selected.
2484 case $enable_bootstrap in
2486 bootstrap_suffix=bootstrap
2487 BUILD_CONFIG=bootstrap-debug
2490 bootstrap_suffix=no-bootstrap
2495 AC_MSG_CHECKING(for default BUILD_CONFIG)
2497 AC_ARG_WITH([build-config],
2498 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2499 [use config/NAME.mk build configuration])],
2500 [case $with_build_config in
2501 yes) with_build_config= ;;
2502 no) with_build_config= BUILD_CONFIG= ;;
2505 if test "x${with_build_config}" != x; then
2506 BUILD_CONFIG=$with_build_config
2508 case $BUILD_CONFIG in
2510 if echo "int f (void) { return 0; }" > conftest.c &&
2511 ${CC} -c conftest.c &&
2512 mv conftest.o conftest.o.g0 &&
2513 ${CC} -c -g conftest.c &&
2514 mv conftest.o conftest.o.g &&
2515 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2520 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2524 AC_MSG_RESULT($BUILD_CONFIG)
2525 AC_SUBST(BUILD_CONFIG)
2528 for module in ${build_configdirs} ; do
2529 if test -z "${no_recursion}" \
2530 && test -f ${build_subdir}/${module}/Makefile; then
2531 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2532 rm -f ${build_subdir}/${module}/Makefile
2534 extrasub_build="$extrasub_build
2535 /^@if build-$module\$/d
2536 /^@endif build-$module\$/d
2537 /^@if build-$module-$bootstrap_suffix\$/d
2538 /^@endif build-$module-$bootstrap_suffix\$/d"
2541 for module in ${configdirs} ; do
2542 if test -z "${no_recursion}"; then
2543 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2544 if test -f ${file}; then
2545 echo 1>&2 "*** removing ${file} to force reconfigure"
2550 extrasub_host="$extrasub_host
2552 /^@endif $module\$/d
2553 /^@if $module-$bootstrap_suffix\$/d
2554 /^@endif $module-$bootstrap_suffix\$/d"
2557 for module in ${target_configdirs} ; do
2558 if test -z "${no_recursion}" \
2559 && test -f ${target_subdir}/${module}/Makefile; then
2560 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2561 rm -f ${target_subdir}/${module}/Makefile
2564 # We only bootstrap target libraries listed in bootstrap_target_libs.
2565 case $bootstrap_target_libs in
2566 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2567 *) target_bootstrap_suffix=no-bootstrap ;;
2570 extrasub_target="$extrasub_target
2571 /^@if target-$module\$/d
2572 /^@endif target-$module\$/d
2573 /^@if target-$module-$target_bootstrap_suffix\$/d
2574 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2577 # Do the final fixup along with target modules.
2578 extrasub_target="$extrasub_target
2579 /^@if /,/^@endif /d"
2581 # Create the serialization dependencies. This uses a temporary file.
2583 AC_ARG_ENABLE([serial-configure],
2584 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2585 [force sequential configuration of
2586 sub-packages for the host, target or build
2587 machine, or all sub-packages])])
2589 case ${enable_serial_configure} in
2591 enable_serial_build_configure=yes
2592 enable_serial_host_configure=yes
2593 enable_serial_target_configure=yes
2597 # These force 'configure's to be done one at a time, to avoid problems
2598 # with contention over a shared config.cache.
2600 echo '# serdep.tmp' > serdep.tmp
2602 test "x${enable_serial_build_configure}" = xyes &&
2603 for item in ${build_configdirs} ; do
2606 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2611 test "x${enable_serial_host_configure}" = xyes &&
2612 for item in ${configdirs} ; do
2615 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2620 test "x${enable_serial_target_configure}" = xyes &&
2621 for item in ${target_configdirs} ; do
2624 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2628 serialization_dependencies=serdep.tmp
2629 AC_SUBST_FILE(serialization_dependencies)
2631 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2632 # target, nonopt, and variable assignments. These are the ones we
2633 # might not want to pass down to subconfigures. The exception being
2634 # --cache-file=/dev/null, which is used to turn off the use of cache
2635 # files altogether, and which should be passed on to subconfigures.
2636 # Also strip program-prefix, program-suffix, and program-transform-name,
2637 # so that we can pass down a consistent program-transform-name.
2642 eval "set -- $ac_configure_args"
2645 if test X"$skip_next" = X"yes"; then
2649 if test X"$keep_next" = X"yes"; then
2652 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2654 baseargs="$baseargs '$ac_arg'"
2655 tbaseargs="$tbaseargs '$ac_arg'"
2660 # Handle separated arguments. Based on the logic generated by
2663 *=* | --config-cache | -C | -disable-* | --disable-* \
2664 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2665 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2666 | -with-* | --with-* | -without-* | --without-* | --x)
2680 --with-* | --without-*)
2681 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2685 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2688 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2697 mpc | mpfr | gmp | ppl | cloog)
2698 # If we're processing --with-$lib, --with-$lib-include or
2699 # --with-$lib-lib, for one of the libs above, and target is
2700 # different from host, don't pass the current argument to any
2701 # target library's configure.
2702 if test x$is_cross_compiler = xyes; then
2711 --cache-file=/dev/null | \
2712 -cache-file=/dev/null )
2713 # Handled here to avoid the test to skip args below.
2714 baseargs="$baseargs '$ac_arg'"
2715 tbaseargs="$tbaseargs '$ac_arg'"
2716 # Assert: $separate_arg should always be no.
2717 keep_next=$separate_arg
2733 -program-prefix* | \
2734 -program-suffix* | \
2735 -program-transform-name* )
2736 skip_next=$separate_arg
2740 # An option. Add it.
2743 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2745 baseargs="$baseargs '$ac_arg'"
2746 if test X"$skip_targ" = Xno; then
2747 tbaseargs="$tbaseargs '$ac_arg'"
2749 keep_next=$separate_arg
2752 # Either a variable assignment, or a nonopt (triplet). Don't
2753 # pass it down; let the Makefile handle this.
2758 # Remove the initial space we just introduced and, as these will be
2759 # expanded by make, quote '$'.
2760 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2762 # Add in --program-transform-name, after --program-prefix and
2763 # --program-suffix have been applied to it. Autoconf has already
2764 # doubled dollar signs and backslashes in program_transform_name; we want
2765 # the backslashes un-doubled, and then the entire thing wrapped in single
2766 # quotes, because this will be expanded first by make and then by the shell.
2767 # Also, because we want to override the logic in subdir configure scripts to
2768 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2769 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2770 ${program_transform_name}
2772 gcc_transform_name=`cat conftestsed.out`
2773 rm -f conftestsed.out
2774 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2775 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2776 if test "$silent" = yes; then
2777 baseargs="$baseargs --silent"
2778 tbaseargs="$tbaseargs --silent"
2780 baseargs="$baseargs --disable-option-checking"
2781 tbaseargs="$tbaseargs --disable-option-checking"
2783 # Record and document user additions to sub configure arguments.
2784 AC_ARG_VAR([build_configargs],
2785 [additional configure arguments for build directories])
2786 AC_ARG_VAR([host_configargs],
2787 [additional configure arguments for host directories])
2788 AC_ARG_VAR([target_configargs],
2789 [additional configure arguments for target directories])
2791 # For the build-side libraries, we just need to pretend we're native,
2792 # and not use the same cache file. Multilibs are neither needed nor
2794 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2796 # For host modules, accept cache file option, or specification as blank.
2797 case "${cache_file}" in
2799 cache_file_option="" ;;
2800 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2801 cache_file_option="--cache-file=${cache_file}" ;;
2803 cache_file_option="--cache-file=../${cache_file}" ;;
2806 # Host dirs don't like to share a cache file either, horribly enough.
2807 # This seems to be due to autoconf 2.5x stupidity.
2808 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2810 target_configargs="$target_configargs ${tbaseargs}"
2812 # Passing a --with-cross-host argument lets the target libraries know
2813 # whether they are being built with a cross-compiler or being built
2814 # native. However, it would be better to use other mechanisms to make the
2815 # sorts of decisions they want to make on this basis. Please consider
2816 # this option to be deprecated. FIXME.
2817 if test x${is_cross_compiler} = xyes ; then
2818 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2821 # Default to --enable-multilib.
2822 if test x${enable_multilib} = x ; then
2823 target_configargs="--enable-multilib ${target_configargs}"
2826 # Pass --with-newlib if appropriate. Note that target_configdirs has
2827 # changed from the earlier setting of with_newlib.
2828 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2829 target_configargs="--with-newlib ${target_configargs}"
2832 # Different target subdirs use different values of certain variables
2833 # (notably CXX). Worse, multilibs use *lots* of different values.
2834 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2835 # it doesn't automatically accept command-line overrides of them.
2836 # This means it's not safe for target subdirs to share a cache file,
2837 # which is disgusting, but there you have it. Hopefully this can be
2838 # fixed in future. It's still worthwhile to use a cache file for each
2839 # directory. I think.
2841 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2842 # We need to pass --target, as newer autoconf's requires consistency
2843 # for target_alias and gcc doesn't manage it consistently.
2844 target_configargs="--cache-file=./config.cache ${target_configargs}"
2847 case " $target_configdirs " in
2849 case " $target_configargs " in
2850 *" --with-newlib "*)
2853 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 $$s/winsup/w32api/include'
2857 # If we're not building GCC, don't discard standard headers.
2858 if test -d ${srcdir}/gcc; then
2859 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2861 if test "${build}" != "${host}"; then
2862 # On Canadian crosses, CC_FOR_TARGET will have already been set
2863 # by `configure', so we won't have an opportunity to add -Bgcc/
2864 # to it. This is right: we don't want to search that directory
2865 # for binaries, but we want the header files in there, so add
2867 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2869 # Someone might think of using the pre-installed headers on
2870 # Canadian crosses, in case the installed compiler is not fully
2871 # compatible with the compiler being built. In this case, it
2872 # would be better to flag an error than risking having
2873 # incompatible object files being constructed. We can't
2874 # guarantee that an error will be flagged, but let's hope the
2875 # compiler will do it, when presented with incompatible header
2880 case "${target}-${is_cross_compiler}" in
2881 i[[3456789]]86-*-linux*-no)
2882 # Here host == target, so we don't need to build gcc,
2883 # so we don't want to discard standard headers.
2884 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2887 # If we're building newlib, use its generic headers last, but search
2888 # for any libc-related directories first (so make it the last -B
2890 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2892 # If we're building libgloss, find the startup file, simulator library
2893 # and linker script.
2894 case " $target_configdirs " in
2896 # Look for startup file, simulator library and maybe linker script.
2897 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2898 # Look for libnosys.a in case the target needs it.
2899 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2900 # Most targets have the linker script in the source directory.
2901 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2912 x86_64-*mingw* | *-w64-mingw*)
2913 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2914 # however, use a symlink named 'mingw' in ${prefix} .
2915 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2918 # MinGW can't be handled as Cygwin above since it does not use newlib.
2919 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2923 # Allow the user to override the flags for
2924 # our build compiler if desired.
2925 if test x"${build}" = x"${host}" ; then
2926 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2927 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2928 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2931 # On Canadian crosses, we'll be searching the right directories for
2932 # the previously-installed cross compiler, so don't bother to add
2933 # flags for directories within the install tree of the compiler
2934 # being built; programs in there won't even run.
2935 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2936 # Search for pre-installed headers if nothing else fits.
2937 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2940 if test "x${use_gnu_ld}" = x &&
2941 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2942 # Arrange for us to find uninstalled linker scripts.
2943 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2946 # Search for other target-specific linker scripts and such.
2949 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2953 # Makefile fragments.
2954 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2956 eval fragval=\$$frag
2957 if test $fragval != /dev/null; then
2958 eval $frag=${srcdir}/$fragval
2961 AC_SUBST_FILE(host_makefile_frag)
2962 AC_SUBST_FILE(target_makefile_frag)
2963 AC_SUBST_FILE(alphaieee_frag)
2964 AC_SUBST_FILE(ospace_frag)
2966 # Miscellanea: directories, flags, etc.
2967 AC_SUBST(RPATH_ENVVAR)
2968 AC_SUBST(GCC_SHLIB_SUBDIR)
2970 AC_SUBST(build_tooldir)
2971 AC_SUBST(CONFIGURE_GDB_TK)
2973 AC_SUBST(INSTALL_GDB_TK)
2975 # Build module lists & subconfigure args.
2976 AC_SUBST(build_configargs)
2977 AC_SUBST(build_configdirs)
2979 # Host module lists & subconfigure args.
2980 AC_SUBST(host_configargs)
2981 AC_SUBST(configdirs)
2982 AC_SUBST(target_configdirs)
2984 # Target module lists & subconfigure args.
2985 AC_SUBST(target_configargs)
2989 AC_SUBST(AR_FOR_BUILD)
2990 AC_SUBST(AS_FOR_BUILD)
2991 AC_SUBST(CC_FOR_BUILD)
2992 AC_SUBST(CFLAGS_FOR_BUILD)
2993 AC_SUBST(CXXFLAGS_FOR_BUILD)
2994 AC_SUBST(CXX_FOR_BUILD)
2995 AC_SUBST(DLLTOOL_FOR_BUILD)
2996 AC_SUBST(GCJ_FOR_BUILD)
2997 AC_SUBST(GFORTRAN_FOR_BUILD)
2998 AC_SUBST(GOC_FOR_BUILD)
2999 AC_SUBST(LDFLAGS_FOR_BUILD)
3000 AC_SUBST(LD_FOR_BUILD)
3001 AC_SUBST(NM_FOR_BUILD)
3002 AC_SUBST(RANLIB_FOR_BUILD)
3003 AC_SUBST(WINDMC_FOR_BUILD)
3004 AC_SUBST(WINDRES_FOR_BUILD)
3005 AC_SUBST(config_shell)
3007 # Generate default definitions for YACC, M4, LEX and other programs that run
3008 # on the build machine. These are used if the Makefile can't locate these
3009 # programs in objdir.
3010 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3012 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3013 case " $build_configdirs " in
3014 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3015 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3018 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3019 case " $build_configdirs " in
3020 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3023 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3024 case " $build_configdirs " in
3025 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3028 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3029 case " $build_configdirs " in
3030 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3031 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3034 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3035 case " $build_configdirs " in
3036 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3039 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3040 case " $build_configdirs " in
3041 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3044 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3045 # higher, else we use the "missing" dummy.
3046 if ${MAKEINFO} --version \
3047 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3050 MAKEINFO="$MISSING makeinfo"
3056 # FIXME: expect and dejagnu may become build tools?
3058 AC_CHECK_PROGS(EXPECT, expect, expect)
3059 case " $configdirs " in
3061 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3065 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3066 case " $configdirs " in
3068 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3074 NCN_STRICT_CHECK_TOOLS(AR, ar)
3075 NCN_STRICT_CHECK_TOOLS(AS, as)
3076 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3077 NCN_STRICT_CHECK_TOOLS(LD, ld)
3078 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3079 NCN_STRICT_CHECK_TOOLS(NM, nm)
3080 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3081 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3082 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3083 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3084 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3085 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3092 AC_ARG_WITH([build-time-tools],
3093 [AS_HELP_STRING([--with-build-time-tools=PATH],
3094 [use given path to find target tools during the build])],
3095 [case x"$withval" in
3098 with_build_time_tools=
3099 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3102 [with_build_time_tools=])
3104 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3105 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3106 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3107 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3108 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3109 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3111 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3112 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3113 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3114 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3115 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3116 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3117 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3118 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3119 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3120 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3121 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3123 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3125 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3126 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3127 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3128 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3129 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3130 [gcc/g++ -B$$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],
3132 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3133 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3135 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3136 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3137 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3138 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3139 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3140 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3141 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3142 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3143 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3144 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3145 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3146 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3147 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3148 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3149 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3150 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3152 AC_SUBST(FLAGS_FOR_TARGET)
3153 AC_SUBST(RAW_CXX_FOR_TARGET)
3155 # Certain tools may need extra flags.
3156 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3157 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3158 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3160 # When building target libraries, except in a Canadian cross, we use
3161 # the same toolchain as the compiler we just built.
3162 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3163 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3164 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3165 if test $host = $build; then
3166 case " $configdirs " in
3168 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3169 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3170 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3175 AC_SUBST(COMPILER_AS_FOR_TARGET)
3176 AC_SUBST(COMPILER_LD_FOR_TARGET)
3177 AC_SUBST(COMPILER_NM_FOR_TARGET)
3179 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3180 AC_ARG_ENABLE(maintainer-mode,
3181 [AS_HELP_STRING([--enable-maintainer-mode],
3182 [enable make rules and dependencies not useful
3183 (and sometimes confusing) to the casual installer])],
3184 USE_MAINTAINER_MODE=$enableval,
3185 USE_MAINTAINER_MODE=no)
3186 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3187 AC_SUBST(MAINTAINER_MODE_TRUE)
3188 AC_SUBST(MAINTAINER_MODE_FALSE)
3189 if test "$USE_MAINTAINER_MODE" = yes; then
3190 MAINTAINER_MODE_TRUE=
3191 MAINTAINER_MODE_FALSE='#'
3193 MAINTAINER_MODE_TRUE='#'
3194 MAINTAINER_MODE_FALSE=
3196 MAINT=$MAINTAINER_MODE_TRUE
3199 # ---------------------
3200 # GCC bootstrap support
3201 # ---------------------
3203 # Stage specific cflags for build.
3208 yes) stage1_cflags="-g -Wa,-J" ;;
3209 *) stage1_cflags="-g -J" ;;
3213 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3214 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3215 saved_CFLAGS="$CFLAGS"
3217 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3218 CFLAGS="$CFLAGS -fkeep-inline-functions"
3219 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3221 #if (__GNUC__ < 3) \
3222 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3223 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3224 #error http://gcc.gnu.org/PR29382
3227 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3228 [AC_MSG_RESULT([no])])
3230 CFLAGS="$saved_CFLAGS"
3233 AC_SUBST(stage1_cflags)
3235 # Enable --enable-checking in stage1 of the compiler.
3236 AC_ARG_ENABLE(stage1-checking,
3237 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3238 [choose additional checking for stage1 of the compiler])],
3239 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3240 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3241 stage1_checking=--enable-checking=yes,types
3243 stage1_checking=--enable-checking=$enable_checking,types
3245 AC_SUBST(stage1_checking)
3247 # Enable -Werror in bootstrap stage2 and later.
3248 AC_ARG_ENABLE(werror,
3249 [AS_HELP_STRING([--enable-werror],
3250 [enable -Werror in bootstrap stage2 and later])], [],
3251 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3256 case ${enable_werror} in
3257 yes) stage2_werror_flag="--enable-werror-always" ;;
3258 *) stage2_werror_flag="" ;;
3260 AC_SUBST(stage2_werror_flag)
3262 # Specify what files to not compare during bootstrap.
3264 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3266 hppa*64*-*-hpux*) ;;
3267 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3269 case " $configdirs " in
3270 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3272 AC_SUBST(compare_exclusions)
3274 AC_CONFIG_FILES([Makefile],
3275 [sed "$extrasub_build" Makefile |
3276 sed "$extrasub_host" |
3277 sed "$extrasub_target" > mf$$
3278 mv -f mf$$ Makefile],
3279 [extrasub_build="$extrasub_build"
3280 extrasub_host="$extrasub_host"
3281 extrasub_target="$extrasub_target"])