1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
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)
26 AC_INIT(move-if-change)
28 AC_DISABLE_OPTION_CHECKING
31 # if PWD already has a value, it is probably wrong.
32 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
34 # Export original configure arguments for use by sub-configures.
35 # Quote arguments with shell meta charatcers.
36 TOPLEVEL_CONFIGURE_ARGUMENTS=
37 set -- "$progname" "$@"
41 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
42 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
43 # if the argument is of the form -foo=baz, quote the baz part only
44 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
47 # Add the quoted argument to the list.
48 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
50 if test "$silent" = yes; then
51 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
53 # Remove the initial space we just introduced and, as these will be
54 # expanded by make, quote '$'.
55 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
56 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
58 # Find the build, host, and target systems.
59 ACX_NONCANONICAL_BUILD
61 ACX_NONCANONICAL_TARGET
63 dnl Autoconf 2.5x and later will set a default program prefix if
64 dnl --target was used, even if it was the same as --host. Disable
65 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
67 test "$host_noncanonical" = "$target_noncanonical" &&
68 test "$program_prefix$program_suffix$program_transform_name" = \
70 program_transform_name=s,y,y,
75 m4_pattern_allow([^AS_FOR_TARGET$])dnl
76 m4_pattern_allow([^AS_FOR_BUILD$])dnl
78 # Get 'install' or 'install-sh' and its variants.
83 ### we might need to use some other shell than /bin/sh for running subshells
84 ### If we are on Windows, search for the shell. This will permit people
85 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
86 ### without also having to set CONFIG_SHELL. This code will work when
87 ### using bash, which sets OSTYPE.
90 if test x${CONFIG_SHELL} = x ; then
91 if test ! -f /bin/sh ; then
92 if test x${SHELL} != x && test -f ${SHELL} ; then
96 for prog in sh sh.exe bash bash.exe; do
97 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
99 test -z "$dir" && dir=.
100 if test -f $dir/$prog; then
101 CONFIG_SHELL=$dir/$prog
107 test -n "${CONFIG_SHELL}" && break
115 config_shell=${CONFIG_SHELL-/bin/sh}
117 moveifchange=${srcdir}/move-if-change
119 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
121 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
123 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
124 INSTALL="${srcpwd}/install-sh -c"
127 # Set srcdir to "." if that's what it is.
128 # This is important for multilib support.
130 if test "${pwd}" = "${srcpwd}" ; then
138 ### To add a new directory to the tree, first choose whether it is a target
139 ### or a host dependent tool. Then put it into the appropriate list
140 ### (library or tools, host or target), doing a dependency sort.
142 # Subdirs will be configured in the order listed in build_configdirs,
143 # configdirs, or target_configdirs; see the serialization section below.
145 # Dependency sorting is only needed when *configuration* must be done in
146 # a particular order. In all cases a dependency should be specified in
147 # the Makefile, whether or not it's implicitly specified here.
149 # Double entries in build_configdirs, configdirs, or target_configdirs may
150 # cause circular dependencies and break everything horribly.
152 # these library is used by various programs built for the build
155 build_libs="build-libiberty"
157 # these tools are built for the build environment
158 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
160 # these libraries are used by various programs built for the host environment
162 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libiconv"
164 # these tools are built for the host environment
165 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
166 # know that we are building the simulator.
167 # binutils, gas and ld appear in that order because it makes sense to run
168 # "make check" in that particular order.
169 # If --enable-gold is used, "gold" will replace "ld".
170 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"
172 # libgcj represents the runtime libraries only used by gcj.
173 libgcj="target-libffi \
178 # these libraries are built for the target environment, and are built after
179 # the host libraries and the host tools (which may be a cross compiler)
181 target_libraries="target-libgcc \
186 target-libstdc++-v3 \
195 # these tools are built using the target libraries, and are intended to
196 # run only in the target environment
198 # note: any program that *uses* libraries that are in the "target_libraries"
199 # list belongs in this list. those programs are also very likely
200 # candidates for the "native_only" list which follows
202 target_tools="target-examples target-groff target-gperf target-rda"
204 ################################################################################
206 ## All tools belong in one of the four categories, and are assigned above
207 ## We assign ${configdirs} this way to remove all embedded newlines. This
208 ## is important because configure will choke if they ever get through.
209 ## ${configdirs} is directories we build using the host tools.
210 ## ${target_configdirs} is directories we build using the target tools.
211 configdirs=`echo ${host_libs} ${host_tools}`
212 target_configdirs=`echo ${target_libraries} ${target_tools}`
213 build_configdirs=`echo ${build_libs} ${build_tools}`
215 m4_divert_text([PARSE_ARGS],
216 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
219 ################################################################################
221 srcname="gnu development package"
223 # This gets set non-empty for some net releases of packages.
226 # Define is_cross_compiler to save on calls to 'test'.
228 if test x"${host}" = x"${target}" ; then
231 is_cross_compiler=yes
234 # Find the build and target subdir names.
237 # Skipdirs are removed silently.
239 # Noconfigdirs are removed loudly.
243 # Make sure we don't let GNU ld be added if we didn't want it.
244 if test x$with_gnu_ld = xno ; then
246 noconfigdirs="$noconfigdirs ld gold"
250 # Make sure we don't let GNU as be added if we didn't want it.
251 if test x$with_gnu_as = xno ; then
253 noconfigdirs="$noconfigdirs gas"
256 # some tools are so dependent upon X11 that if we're not building with X,
257 # it's not even worth trying to configure, much less build, that tool.
260 yes | "") ;; # the default value for this tree is that X11 is available
262 skipdirs="${skipdirs} tk itcl libgui"
263 # We won't be able to build gdbtk without X.
266 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
269 # Some tools are only suitable for building in a "native" situation.
270 # Remove these if host!=target.
271 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
273 # Similarly, some are only suitable for cross toolchains.
274 # Remove these if host=target.
275 cross_only="target-libgloss target-newlib target-opcodes"
277 case $is_cross_compiler in
278 no) skipdirs="${skipdirs} ${cross_only}" ;;
279 yes) skipdirs="${skipdirs} ${native_only}" ;;
282 # If both --with-headers and --with-libs are specified, default to
284 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
285 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
286 if test x"${with_newlib}" = x ; then
291 # Recognize --with-newlib/--without-newlib.
292 case ${with_newlib} in
293 no) skipdirs="${skipdirs} target-newlib" ;;
294 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
297 # Handle --enable-gold.
300 [ --enable-gold use gold instead of ld],
301 ENABLE_GOLD=$enableval,
303 if test "${ENABLE_GOLD}" = "yes"; then
304 # Check for ELF target.
307 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
308 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
309 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
311 *-*-linux*aout* | *-*-linux*oldld*)
319 if test "$is_elf" = "yes"; then
320 # Check for target supported by gold.
322 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
323 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
329 # Configure extra directories which are host specific
333 configdirs="$configdirs libtermcap" ;;
336 # A target can indicate whether a language isn't supported for some reason.
337 # Only spaces may be used in this macro; not newlines or tabs.
338 unsupported_languages=
340 # Remove more programs from consideration, based on the host or
341 # target this usually means that a port of the program doesn't
346 noconfigdirs="$noconfigdirs byacc"
348 i[[3456789]]86-*-vsta)
349 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
351 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
352 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
355 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
357 i[[3456789]]86-*-mingw32*)
358 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
359 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
361 i[[3456789]]86-*-beos*)
362 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
365 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
368 noconfigdirs="$noconfigdirs rcs"
371 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
374 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
379 AC_ARG_ENABLE(libada,
380 [ --enable-libada build libada directory],
381 ENABLE_LIBADA=$enableval,
383 if test "${ENABLE_LIBADA}" != "yes" ; then
384 noconfigdirs="$noconfigdirs gnattools"
387 AC_ARG_ENABLE(libssp,
388 [ --enable-libssp build libssp directory],
389 ENABLE_LIBSSP=$enableval,
392 # Save it here so that, even in case of --enable-libgcj, if the Java
393 # front-end isn't enabled, we still get libgcj disabled.
395 case $enable_libgcj in
397 # If we reset it here, it won't get added to noconfigdirs in the
398 # target-specific build rules, so it will be forcibly enabled
399 # (unless the Java language itself isn't enabled).
403 # Make sure we get it printed in the list of not supported target libs.
404 noconfigdirs="$noconfigdirs ${libgcj}"
409 # Disable libmudflap on some systems.
410 if test x$enable_libmudflap = x ; then
412 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
413 # Enable libmudflap by default in GNU and friends.
416 # Enable libmudflap by default in FreeBSD.
419 # Disable it by default everywhere else.
420 noconfigdirs="$noconfigdirs target-libmudflap"
425 # Disable libgomp on non POSIX hosted systems.
426 if test x$enable_libgomp = x ; then
427 # Enable libgomp by default on hosted POSIX systems.
429 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
431 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
433 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
435 *-*-darwin* | *-*-aix*)
438 noconfigdirs="$noconfigdirs target-libgomp"
443 # Default libgloss CPU subdirectory.
444 libgloss_dir="$target_cpu"
448 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
451 noconfigdirs="$noconfigdirs ld gas gdb gprof"
452 noconfigdirs="$noconfigdirs sim target-rda"
454 i[[3456789]]86-*-darwin*)
455 noconfigdirs="$noconfigdirs ld gprof"
456 noconfigdirs="$noconfigdirs sim target-rda"
458 x86_64-*-darwin[[912]]*)
459 noconfigdirs="$noconfigdirs ld gas gprof"
460 noconfigdirs="$noconfigdirs sim target-rda"
463 noconfigdirs="$noconfigdirs ld gas gdb gprof"
464 noconfigdirs="$noconfigdirs sim target-rda"
465 noconfigdirs="$noconfigdirs ${libgcj}"
467 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
468 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
471 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
472 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
473 && test -f /usr/local/include/gmp.h; then
477 # Skip some stuff that's unsupported on some FreeBSD configurations.
482 noconfigdirs="$noconfigdirs ${libgcj}"
487 # Remove unsupported stuff on all kaOS configurations.
488 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
489 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
490 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
491 noconfigdirs="$noconfigdirs target-libgloss"
494 # Skip some stuff on all NetBSD configurations.
495 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
497 # Skip some stuff that's unsupported on some NetBSD configurations.
499 i*86-*-netbsdelf*) ;;
500 arm*-*-netbsdelf*) ;;
502 noconfigdirs="$noconfigdirs ${libgcj}"
507 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
510 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
512 # The tpf target doesn't support gdb yet.
514 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
517 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
520 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
523 # ld works, but does not support shared libraries.
524 # newlib is not 64 bit ready. I'm not sure about fileutils.
525 # gas doesn't generate exception information.
526 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
529 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
532 # newlib is not 64 bit ready
533 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
536 # newlib is not 64 bit ready
537 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
540 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
543 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
545 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
546 noconfigdirs="$noconfigdirs ${libgcj}"
547 noconfigdirs="$noconfigdirs target-examples"
548 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
549 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
550 noconfigdirs="$noconfigdirs expect dejagnu"
551 # the C++ libraries don't build on top of CE's C libraries
552 noconfigdirs="$noconfigdirs target-libstdc++-v3"
553 noconfigdirs="$noconfigdirs target-newlib"
555 *-*-cygwin*) ;; # keep gdb and readline
556 *) noconfigdirs="$noconfigdirs gdb readline"
562 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
566 arm-*-coff | strongarm-*-coff | xscale-*-coff)
567 noconfigdirs="$noconfigdirs ${libgcj}"
570 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
571 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
574 arm*-*-linux-gnueabi)
575 noconfigdirs="$noconfigdirs target-qthreads"
576 case ${with_newlib} in
577 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
582 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
586 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
589 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
592 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
595 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
598 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
601 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
604 noconfigdirs="$noconfigdirs gdb"
605 if test x${is_cross_compiler} != xno ; then
606 target_configdirs="${target_configdirs} target-bsp target-cygmon"
610 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
612 c54x*-*-* | tic54x-*-*)
613 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
616 noconfigdirs="$noconfigdirs ${libgcj} gdb"
618 cris-*-* | crisv32-*-*)
619 unsupported_languages="$unsupported_languages java"
622 unsupported_languages="$unsupported_languages fortran"
623 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
625 noconfigdirs="$noconfigdirs target-boehm-gc";;
627 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
629 unsupported_languages="$unsupported_languages fortran"
630 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
635 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
638 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
641 noconfigdirs="$noconfigdirs ${libgcj} gdb"
643 ep9312-*-elf | ep9312-*-coff)
647 noconfigdirs="$noconfigdirs ${libgcj} gdb"
650 noconfigdirs="$noconfigdirs ${libgcj}"
653 noconfigdirs="$noconfigdirs ${libgcj}"
654 noconfigdirs="$noconfigdirs gprof"
657 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
660 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
662 hppa1.1-*-osf* | hppa1.1-*-bsd* )
664 hppa*64*-*-linux* | parisc*64*-*-linux*)
665 # In this case, it's because the hppa64-linux target is for
666 # the kernel only at this point and has no libc, and thus no
667 # headers, crt*.o, etc., all of which are needed by these.
668 noconfigdirs="$noconfigdirs target-zlib"
670 parisc*-*-linux* | hppa*-*-linux*)
676 noconfigdirs="$noconfigdirs ${libgcj}"
679 noconfigdirs="$noconfigdirs ld shellutils"
685 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
686 # build on HP-UX 10.20.
687 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
690 noconfigdirs="$noconfigdirs ${libgcj} gdb"
693 # No gdb support yet.
694 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
697 # No gdb or ld support yet.
698 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
701 # No gdb or ld support yet.
702 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
706 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
707 noconfigdirs="$noconfigdirs ${libgcj}"
710 i[[3456789]]86-*-linux*)
711 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
712 # not build java stuff by default.
715 noconfigdirs="$noconfigdirs ${libgcj}";;
718 # This section makes it possible to build newlib natively on linux.
719 # If we are using a cross compiler then don't configure newlib.
720 if test x${is_cross_compiler} != xno ; then
721 noconfigdirs="$noconfigdirs target-newlib"
723 noconfigdirs="$noconfigdirs target-libgloss"
724 # If we are not using a cross compiler, do configure newlib.
725 # Note however, that newlib will only be configured in this situation
726 # if the --with-newlib option has been given, because otherwise
727 # 'target-newlib' will appear in skipdirs.
729 i[[3456789]]86-*-mingw32*)
730 target_configdirs="$target_configdirs target-winsup"
731 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
734 target_configdirs="$target_configdirs target-winsup"
735 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
738 target_configdirs="$target_configdirs target-libtermcap target-winsup"
739 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
740 # always build newlib if winsup directory is present.
741 if test -d "$srcdir/winsup/cygwin"; then
742 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
743 elif test -d "$srcdir/newlib"; then
744 echo "Warning: winsup/cygwin is missing so newlib can't be built."
747 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
748 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
751 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
753 i[[3456789]]86-*-sco3.2v5*)
754 # The linker does not yet know about weak symbols in COFF,
755 # and is not configured to handle mixed ELF and COFF.
756 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
758 i[[3456789]]86-*-sco*)
759 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
761 i[[3456789]]86-*-solaris2*)
762 noconfigdirs="$noconfigdirs target-libgloss"
764 i[[3456789]]86-*-sysv4*)
765 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
767 i[[3456789]]86-*-beos*)
768 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
770 i[[3456789]]86-*-rdos*)
771 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
774 noconfigdirs="$noconfigdirs ${libgcj}"
776 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
777 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
781 noconfigdirs="$noconfigdirs ${libgcj}"
784 noconfigdirs="$noconfigdirs ${libgcj}"
790 # The EPOC C++ environment does not support exceptions or rtti,
791 # and so building libstdc++-v3 tends not to always work.
792 noconfigdirs="$noconfigdirs target-libstdc++-v3"
795 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
796 unsupported_languages="$unsupported_languages fortran java"
799 noconfigdirs="$noconfigdirs ${libgcj}"
802 noconfigdirs="$noconfigdirs ${libgcj}"
805 noconfigdirs="$noconfigdirs sim"
808 # copied from rs6000-*-* entry
809 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
811 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
812 target_configdirs="$target_configdirs target-winsup"
813 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
814 # always build newlib.
815 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
817 # This is temporary until we can link against shared libraries
818 powerpcle-*-solaris*)
819 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
823 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
826 noconfigdirs="$noconfigdirs ${libgcj}"
829 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
833 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
836 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
839 noconfigdirs="$noconfigdirs gprof ${libgcj}"
842 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
845 noconfigdirs="$noconfigdirs gprof ${libgcj}"
848 skipdirs="$skipdirs target-libiberty"
849 noconfigdirs="$noconfigdirs ${libgcj}"
850 if test x$with_newlib = xyes; then
851 noconfigdirs="$noconfigdirs gprof"
856 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
859 # Linking libjava exceeds command-line length limits on at least
860 # IRIX 6.2, but not on IRIX 6.5.
861 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
862 # <oldham@codesourcery.com>
863 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
866 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
869 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
872 noconfigdirs="$noconfigdirs gprof ${libgcj}"
876 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
880 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
881 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
882 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
883 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
887 noconfigdirs="$noconfigdirs ${libgcj}" ;;
889 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
892 sparclet-*-aout* | sparc86x-*-*)
896 noconfigdirs="$noconfigdirs ${libgcj}"
899 noconfigdirs="$noconfigdirs ${libgcj}"
903 noconfigdirs="$noconfigdirs ${libgcj}"
907 noconfigdirs="$noconfigdirs ${libgcj}"
908 if test x${is_cross_compiler} != xno ; then
909 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
914 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
915 noconfigdirs="$noconfigdirs ${libgcj}"
917 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
920 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
923 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
926 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
929 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
932 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
935 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
938 noconfigdirs="$noconfigdirs ${libgcj}"
941 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
943 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
944 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
947 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
950 noconfigdirs="$noconfigdirs ${libgcj}"
954 # If we aren't building newlib, then don't build libgloss, since libgloss
955 # depends upon some newlib header files.
956 case "${noconfigdirs}" in
957 *target-libgloss*) ;;
958 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
961 # Work in distributions that contain no compiler tools, like Autoconf.
963 host_makefile_frag=/dev/null
964 if test -d ${srcdir}/config ; then
967 # Avoid "too much defining" errors from HPUX compiler.
968 tentative_cc="cc -Wp,-H256000"
969 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
970 # If it's HP/UX ar, this should be harmless.
974 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
977 #None of the Apollo compilers can compile gas or binutils. The preprocessor
978 # chokes on bfd, the compiler won't let you assign integers to enums, and
979 # other problems. Defining CC to gcc is a questionable way to say "don't use
980 # the apollo compiler" (the preferred version of GCC could be called cc,
981 # or whatever), but I'm not sure leaving CC as cc is any better...
982 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
983 # Used to have BISON=yacc.
987 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
990 # Under CX/UX, we want to tell the compiler to use ANSI mode.
991 tentative_cc="cc -Xa"
992 host_makefile_frag="config/mh-cxux"
997 tentative_cc="cc -Wf,-XNg1000"
998 host_makefile_frag="config/mh-decstation"
1001 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1002 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1003 host_makefile_frag="config/mh-necv4"
1006 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1007 # environment. Also bump switch table size so that cp-parse will
1008 # compile. Bump string length limit so linker builds.
1009 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1012 host_makefile_frag="config/mh-sysv4"
1015 # This is for a MIPS running RISC/os 4.52C.
1017 # This is needed for GDB, but needs to be in the top-level make because
1018 # if a library is compiled with the bsd headers and gets linked with the
1019 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1020 # a different size).
1021 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1022 # known except to select the sysv environment. Could we use /proc instead?
1023 # These "sysv environments" and "bsd environments" often end up being a pain.
1025 # This is not part of CFLAGS because perhaps not all C compilers have this
1027 tentative_cc="cc -systype sysv"
1032 i[[3456789]]86-*-sysv5*)
1033 host_makefile_frag="config/mh-sysv5"
1035 i[[3456789]]86-*-dgux*)
1036 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1037 host_makefile_frag="config/mh-dgux386"
1039 i[[3456789]]86-ncr-sysv4.3*)
1040 # The MetaWare compiler will generate a copyright message unless you
1041 # turn it off by adding the -Hnocopyr flag.
1042 tentative_cc="cc -Hnocopyr"
1044 i[[3456789]]86-ncr-sysv4*)
1045 # for an NCR 3000 (i486/SVR4) system.
1046 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1047 # This compiler not only emits obnoxious copyright messages every time
1048 # you run it, but it chokes and dies on a whole bunch of GNU source
1049 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1050 tentative_cc="/usr/ccs/ATT/cc"
1051 host_makefile_frag="config/mh-ncr3000"
1053 i[[3456789]]86-*-sco3.2v5*)
1055 i[[3456789]]86-*-sco*)
1056 # The native C compiler botches some simple uses of const. Unfortunately,
1057 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1058 tentative_cc="cc -Dconst="
1059 host_makefile_frag="config/mh-sco"
1061 i[[3456789]]86-*-udk*)
1062 host_makefile_frag="config/mh-sysv5"
1064 i[[3456789]]86-*-solaris2*)
1065 host_makefile_frag="config/mh-sysv4"
1067 i[[3456789]]86-*-msdosdjgpp*)
1068 host_makefile_frag="config/mh-djgpp"
1071 ACX_CHECK_CYGWIN_CAT_WORKS
1072 host_makefile_frag="config/mh-cygwin"
1075 host_makefile_frag="config/mh-mingw"
1078 host_makefile_frag="config/mh-interix"
1081 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1085 host_makefile_frag="config/mh-solaris"
1088 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1089 # without overflowing the jump tables (-J says to use a 32 bit table)
1090 tentative_cc="cc -J"
1093 tentative_cc="cc -Wp,-H256000"
1094 host_makefile_frag="config/mh-pa-hpux10"
1096 hppa*-hp-hpux* | hppa*-*-hiux*)
1097 tentative_cc="cc -Wp,-H256000"
1098 host_makefile_frag="config/mh-pa"
1101 host_makefile_frag="config/mh-pa"
1103 *-hp-hpux* | *-*-hiux*)
1104 tentative_cc="cc -Wp,-H256000"
1107 # /bin/cc is less than useful for our purposes. Always use GCC
1108 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1109 host_makefile_frag="config/mh-lynxrs6k"
1112 host_makefile_frag="config/mh-ppc-darwin"
1115 host_makefile_frag="config/mh-ppc-aix"
1118 host_makefile_frag="config/mh-ppc-aix"
1121 # /bin/cc is less than useful for our purposes. Always use GCC
1122 tentative_cc="/bin/gcc"
1125 host_makefile_frag="config/mh-sysv4"
1127 # This is placed last to prevent interfering with the cases above.
1129 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1130 host_makefile_frag="config/mh-x86omitfp"
1135 # If we aren't going to be using gcc, see if we can extract a definition
1136 # of CC from the fragment.
1137 # Actually, use the 'pre-extracted' version above.
1138 if test -z "${CC}" && test "${build}" = "${host}" ; then
1139 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1141 for dir in $PATH; do
1142 test -z "$dir" && dir=.
1143 if test -f $dir/gcc; then
1149 if test -z "${found}" && test -n "${tentative_cc}" ; then
1154 if test "${build}" != "${host}" ; then
1155 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1156 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1157 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1158 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1159 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1160 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1161 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1162 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1163 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1164 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1165 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1166 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1168 AR_FOR_BUILD="\$(AR)"
1169 AS_FOR_BUILD="\$(AS)"
1170 CC_FOR_BUILD="\$(CC)"
1171 CXX_FOR_BUILD="\$(CXX)"
1172 GCJ_FOR_BUILD="\$(GCJ)"
1173 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1174 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1175 LD_FOR_BUILD="\$(LD)"
1176 NM_FOR_BUILD="\$(NM)"
1177 RANLIB_FOR_BUILD="\$(RANLIB)"
1178 WINDRES_FOR_BUILD="\$(WINDRES)"
1179 WINDMC_FOR_BUILD="\$(WINDMC)"
1185 # We must set the default linker to the linker used by gcc for the correct
1186 # operation of libtool. If LD is not defined and we are using gcc, try to
1187 # set the LD default to the ld used by gcc.
1188 if test -z "$LD"; then
1189 if test "$GCC" = yes; then
1192 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1194 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1196 case $gcc_prog_ld in
1197 # Accept absolute paths.
1198 [[\\/]* | [A-Za-z]:[\\/]*)]
1199 LD="$gcc_prog_ld" ;;
1205 ACX_PROG_CMP_IGNORE_INITIAL
1207 # See if we are building gcc with C++.
1208 AC_ARG_ENABLE(build-with-cxx,
1209 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1210 ENABLE_BUILD_WITH_CXX=$enableval,
1211 ENABLE_BUILD_WITH_CXX=no)
1213 # Check for GMP, MPFR and MPC
1214 gmplibs="-lmpfr -lgmp"
1221 # Specify a location for mpc
1222 # check for this first so it ends up on the link line before mpfr.
1223 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1224 Equivalent to --with-mpc-include=PATH/include
1225 plus --with-mpc-lib=PATH/lib])
1226 AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1227 specify directory for installed MPC include files])
1228 AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1230 if test "x$with_mpc" != x; then
1231 mpclibs="-L$with_mpc/lib -lmpc"
1232 mpcinc="-I$with_mpc/include $mpcinc"
1234 if test "x$with_mpc_include" != x; then
1235 mpcinc="-I$with_mpc_include $mpcinc"
1237 if test "x$with_mpc_lib" != x; then
1238 mpclibs="-L$with_mpc_lib -lmpc"
1240 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1241 mpclibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs -lmpc'
1242 mpcinc='-I$$s/mpc/src '"$mpcinc"
1243 # Do not test the mpc version. Assume that it is sufficient, since
1244 # it is in the source tree, and the library has not been built yet
1245 # but it would be included on the link line in the version check below
1246 # hence making the test fail.
1250 # Specify a location for mpfr
1251 # check for this first so it ends up on the link line before gmp.
1252 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1253 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1254 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1256 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1257 Equivalent to --with-mpfr-include=PATH/include
1258 plus --with-mpfr-lib=PATH/lib])
1259 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1260 specify directory for installed MPFR include files])
1261 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1263 if test "x$with_mpfr" != x; then
1264 gmplibs="-L$with_mpfr/lib $gmplibs"
1265 gmpinc="-I$with_mpfr/include"
1267 if test "x$with_mpfr_include" != x; then
1268 gmpinc="-I$with_mpfr_include"
1270 if test "x$with_mpfr_lib" != x; then
1271 gmplibs="-L$with_mpfr_lib $gmplibs"
1273 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1274 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1275 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1276 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr'
1277 # Do not test the mpfr version. Assume that it is sufficient, since
1278 # it is in the source tree, and the library has not been built yet
1279 # but it would be included on the link line in the version check below
1280 # hence making the test fail.
1284 # Specify a location for gmp
1285 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1286 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1287 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1289 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1290 Equivalent to --with-gmp-include=PATH/include
1291 plus --with-gmp-lib=PATH/lib])
1292 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1293 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1296 if test "x$with_gmp" != x; then
1297 gmplibs="-L$with_gmp/lib $gmplibs"
1298 gmpinc="-I$with_gmp/include $gmpinc"
1300 if test "x$with_gmp_include" != x; then
1301 gmpinc="-I$with_gmp_include $gmpinc"
1303 if test "x$with_gmp_lib" != x; then
1304 gmplibs="-L$with_gmp_lib $gmplibs"
1306 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1307 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1308 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1309 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1310 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp'
1311 # Do not test the gmp version. Assume that it is sufficient, since
1312 # it is in the source tree, and the library has not been built yet
1313 # but it would be included on the link line in the version check below
1314 # hence making the test fail.
1318 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1320 saved_CFLAGS="$CFLAGS"
1321 CFLAGS="$CFLAGS $gmpinc"
1322 # Check GMP actually works
1323 AC_MSG_CHECKING([for correct version of gmp.h])
1324 AC_TRY_COMPILE([#include "gmp.h"],[
1325 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
1328 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1330 # If we have GMP, check the MPFR version.
1331 if test x"$have_gmp" = xyes; then
1332 dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
1333 AC_MSG_CHECKING([for correct version of mpfr.h])
1334 AC_TRY_COMPILE([#include <gmp.h>
1335 #include <mpfr.h>],[
1336 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1339 ], AC_TRY_COMPILE([#include <gmp.h>
1340 #include <mpfr.h>],[
1341 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
1344 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1345 [AC_MSG_RESULT([no]); have_gmp=no])
1348 # Check for the MPC header version.
1349 if test x"$have_mpc" != xyes ; then
1350 CFLAGS="$CFLAGS $mpcinc"
1351 AC_MSG_CHECKING([for the correct version of mpc.h])
1352 AC_TRY_COMPILE([#include <mpc.h>],[
1353 #if MPC_VERSION < MPC_VERSION_NUM (0,6,0)
1356 ], [AC_MSG_RESULT([yes]); have_mpc=maybe],
1357 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1360 # Now check the MPFR library.
1361 if test x"$have_gmp" = xyes; then
1363 LIBS="$LIBS $gmplibs"
1364 AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
1365 AC_TRY_LINK([#include <gmp.h>
1366 #include <mpfr.h>],[
1372 mpfr_atan2 (n, n, x, GMP_RNDN);
1373 mpfr_erfc (n, x, GMP_RNDN);
1374 mpfr_subnormalize (x, t, GMP_RNDN);
1375 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1379 if test x"$have_mpc" = xmaybe; then
1381 LIBS="$LIBS $mpclibs $gmplibs"
1382 AC_MSG_CHECKING([for the correct version of the mpc library])
1383 AC_TRY_LINK([#include <mpc.h>],[
1386 mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
1387 mpc_sin (n, n, MPC_RNDNN);
1388 mpc_cos (n, n, MPC_RNDNN);
1389 mpc_tan (n, n, MPC_RNDNN);
1390 mpc_sinh (n, n, MPC_RNDNN);
1391 mpc_cosh (n, n, MPC_RNDNN);
1392 mpc_tanh (n, n, MPC_RNDNN);
1393 mpc_exp (n, n, MPC_RNDNN);
1394 mpc_log (n, n, MPC_RNDNN);
1395 mpc_sqrt (n, n, MPC_RNDNN);
1396 mpc_proj (n, n, MPC_RNDNN);
1397 mpc_neg (n, n, MPC_RNDNN);
1398 mpc_sqr (n, n, MPC_RNDNN);
1400 ], [AC_MSG_RESULT([yes]); have_mpc=yes],
1401 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1405 CFLAGS="$saved_CFLAGS"
1407 if test x$have_gmp != xyes; then
1408 AC_MSG_ERROR([Building GCC requires GMP 4.2+ and MPFR 2.3.2+.
1409 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1410 Copies of these libraries' source code can be found at their respective
1411 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1412 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1413 If you obtained GMP and/or MPFR from a vendor distribution package, make
1414 sure that you have installed both the libraries and the header files.
1415 They may be located in separate packages.])
1419 if test x$have_mpc != xyes ; then
1424 gmpinc="$mpcinc $gmpinc"
1425 gmplibs="$mpclibs $gmplibs"
1427 # Flags needed for both GMP, MPFR and/or MPC.
1430 AC_SUBST(extra_mpfr_configure_flags)
1431 AC_SUBST(extra_mpc_gmp_configure_flags)
1432 AC_SUBST(extra_mpc_mpfr_configure_flags)
1434 # Allow host libstdc++ to be specified for static linking with PPL.
1435 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1436 when linking with PPL])
1438 case $with_host_libstdcxx in
1440 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1444 # Linker flags to use for stage1 or when not boostrapping.
1445 AC_ARG_WITH(stage1-ldflags,
1446 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1447 [if test "$withval" = "no" -o "$withval" = "yes"; then
1450 stage1_ldflags=$withval
1453 AC_SUBST(stage1_ldflags)
1455 # Libraries to use for stage1 or when not bootstrapping.
1456 AC_ARG_WITH(stage1-libs,
1457 [ -with-stage1-libs=LIBS Libraries for stage1],
1458 [if test "$withval" = "no" -o "$withval" = "yes"; then
1461 stage1_libs=$withval
1463 [stage1_libs=$with_host_libstdcxx])
1464 AC_SUBST(stage1_libs)
1466 # Linker flags to use for stage2 and later builds.
1467 AC_ARG_WITH(boot-ldflags,
1468 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1469 [if test "$withval" = "no" -o "$withval" = "yes"; then
1472 poststage1_ldflags=$withval
1474 [if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1475 poststage1_ldflags=-static-libstdc++
1479 AC_SUBST(poststage1_ldflags)
1481 # Libraries to use for stage2 and later builds. This defaults to the
1482 # argument passed to --with-host-libstdcxx.
1483 AC_ARG_WITH(boot-libs,
1484 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1485 [if test "$withval" = "no" -o "$withval" = "yes"; then
1488 poststage1_libs=$withval
1490 [poststage1_libs=$with_host_libstdcxx])
1491 AC_SUBST(poststage1_libs)
1495 ppl_minor_version=10
1496 ppllibs=" -lppl_c -lppl -lgmpxx"
1499 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1500 Equivalent to --with-ppl-include=PATH/include
1501 plus --with-ppl-lib=PATH/lib],, with_ppl=no)
1502 AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1503 AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1510 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1511 pplinc="-I$with_ppl/include $pplinc"
1512 LIBS="$ppllibs $LIBS"
1515 if test "x$with_ppl_include" != x; then
1516 pplinc="-I$with_ppl_include $pplinc"
1518 if test "x$with_ppl_lib" != x; then
1519 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1520 LIBS="$ppllibs $LIBS"
1522 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1523 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/.libs -L$$r/$(HOST_SUBDIR)/ppl/_libs -lppl_c -lppl -lgmpxx '
1524 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/include -I$$s/ppl/include '
1525 LIBS="$ppllibs $LIBS"
1528 AC_ARG_ENABLE(ppl-version-check,
1529 [ --disable-ppl-version-check disable check for PPL version],
1530 ENABLE_PPL_CHECK=$enableval,
1531 ENABLE_PPL_CHECK=yes)
1533 if test "${ENABLE_PPL_CHECK}" = "yes"; then
1534 saved_CFLAGS="$CFLAGS"
1535 CFLAGS="$CFLAGS $pplinc $gmpinc"
1536 AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
1537 AC_TRY_COMPILE([#include "ppl_c.h"],[
1538 #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
1541 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ])
1542 CFLAGS="$saved_CFLAGS"
1545 # Flags needed for PPL
1551 clooglibs=" -lcloog "
1552 clooginc=" -DCLOOG_PPL_BACKEND "
1554 AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
1555 Equivalent to --with-cloog-include=PATH/include
1556 plus --with-cloog-lib=PATH/lib],, with_cloog=no)
1557 AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
1558 AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
1566 clooglibs="-L$with_cloog/lib -lcloog"
1567 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1568 LIBS="$clooglibs $LIBS"
1571 if test "x$with_cloog_include" != x; then
1572 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1574 if test "x$with_cloog_lib" != x; then
1575 clooglibs="-L$with_cloog_lib -lcloog"
1576 LIBS="$clooglibs $LIBS"
1578 if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1579 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
1580 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1581 LIBS="$clooglibs $LIBS"
1584 AC_ARG_ENABLE(cloog-version-check,
1585 [ --disable-cloog-version-check disable check for CLooG version],
1586 ENABLE_CLOOG_CHECK=$enableval,
1587 ENABLE_CLOOG_CHECK=yes)
1589 if test "${ENABLE_CLOOG_CHECK}" = "yes"; then
1590 saved_CFLAGS="$CFLAGS"
1591 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1592 AC_MSG_CHECKING([for correct version of CLooG])
1593 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1594 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
1597 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1598 CFLAGS="$saved_CFLAGS"
1601 # Flags needed for CLOOG
1606 # By default, C is the only stage 1 language.
1607 stage1_languages=,c,
1609 # Target libraries that we bootstrap.
1610 bootstrap_target_libs=,target-libgcc,
1612 # Figure out what language subdirectories are present.
1613 # Look if the user specified --enable-languages="..."; if not, use
1614 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1616 # NB: embedded tabs in this IF block -- do not untabify
1617 if test -d ${srcdir}/gcc; then
1618 if test x"${enable_languages+set}" != xset; then
1619 if test x"${LANGUAGES+set}" = xset; then
1620 enable_languages="${LANGUAGES}"
1621 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1623 enable_languages=all
1626 if test x"${enable_languages}" = x ||
1627 test x"${enable_languages}" = xyes;
1629 echo configure.in: --enable-languages needs at least one language argument 1>&2
1633 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1635 # 'f95' is the old name for the 'fortran' language. We issue a warning
1636 # and make the substitution.
1637 case ,${enable_languages}, in
1639 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1640 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1644 # First scan to see if an enabled language requires some other language.
1645 # We assume that a given config-lang.in will list all the language
1646 # front ends it requires, even if some are required indirectly.
1647 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1648 case ${lang_frag} in
1650 # The odd quoting in the next line works around
1651 # an apparent bug in bash 1.12 on linux.
1652 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1654 # From the config-lang.in, get $language, $lang_requires
1658 for other in ${lang_requires} ; do
1659 case ,${enable_languages}, in
1663 echo " \`$other' language required by \`$language'; enabling" 1>&2
1664 enable_languages="${enable_languages},${other}"
1672 new_enable_languages=,c,
1673 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1674 potential_languages=,c,
1676 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1677 case ${lang_frag} in
1679 # The odd quoting in the next line works around
1680 # an apparent bug in bash 1.12 on linux.
1681 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1683 # From the config-lang.in, get $language, $target_libs,
1684 # $lang_dirs, $boot_language, and $build_by_default
1690 build_by_default=yes
1692 if test x${language} = x; then
1693 echo "${lang_frag} doesn't set \$language." 1>&2
1697 if test "$language" = "c++" -a "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1701 case ,${enable_languages}, in
1703 # Language was explicitly selected; include it.
1707 # 'all' was selected, select it if it is a default language
1708 add_this_lang=${build_by_default}
1715 # Disable languages that need other directories if these aren't available.
1716 for i in $subdir_requires; do
1717 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1718 case ,${enable_languages}, in
1720 # Specifically requested language; tell them.
1721 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1725 add_this_lang=unsupported
1730 # Disable Ada if no preexisting GNAT is available.
1731 case ,${enable_languages},:${language}:${have_gnat} in
1732 *,${language},*:ada:no)
1733 # Specifically requested language; tell them.
1734 AC_MSG_ERROR([GNAT is required to build $language])
1738 add_this_lang=unsupported
1742 # Disable a language that is unsupported by the target.
1743 case " $unsupported_languages " in
1745 add_this_lang=unsupported
1749 case $add_this_lang in
1751 # Remove language-dependent dirs.
1752 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1755 # Remove language-dependent dirs; still show language as supported.
1756 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1757 potential_languages="${potential_languages}${language},"
1760 new_enable_languages="${new_enable_languages}${language},"
1761 potential_languages="${potential_languages}${language},"
1762 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1763 case ${boot_language} in
1765 # Add to (comma-separated) list of stage 1 languages.
1766 stage1_languages="${stage1_languages}${language},"
1767 # We need to bootstrap any supporting libraries.
1768 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1777 AC_ARG_ENABLE(stage1-languages,
1778 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1779 stage1. Mostly useful for compiler development.],
1780 [case ,${enable_stage1_languages}, in
1782 # Set it to something that will have no effect in the loop below
1783 enable_stage1_languages=c ;;
1785 enable_stage1_languages=`echo $new_enable_languages | \
1786 sed -e "s/^,//" -e "s/,$//" ` ;;
1788 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1789 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1792 # Add "good" languages from enable_stage1_languages to stage1_languages,
1793 # while "bad" languages go in missing_languages. Leave no duplicates.
1794 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1795 case $potential_languages in
1797 case $stage1_languages in
1799 *) stage1_languages="$stage1_languages$i," ;;
1802 case $missing_languages in
1804 *) missing_languages="$missing_languages$i," ;;
1809 # Remove leading/trailing commas that were added for simplicity
1810 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1811 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1812 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1813 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1815 if test "x$missing_languages" != x; then
1817 The following requested languages could not be built: ${missing_languages}
1818 Supported languages are: ${potential_languages}])
1820 if test "x$new_enable_languages" != "x$enable_languages"; then
1821 echo The following languages will be built: ${new_enable_languages}
1822 enable_languages="$new_enable_languages"
1825 AC_SUBST(stage1_languages)
1826 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1829 # Handle --disable-<component> generically.
1830 for dir in $configdirs $build_configdirs $target_configdirs ; do
1831 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1832 varname=`echo $dirname | sed -e s/+/_/g`
1833 if eval test x\${enable_${varname}} "=" xno ; then
1834 noconfigdirs="$noconfigdirs $dir"
1838 # Check for Boehm's garbage collector
1839 AC_ARG_ENABLE(objc-gc,
1840 [ --enable-objc-gc enable use of Boehm's garbage collector with the
1841 GNU Objective-C runtime],
1842 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1843 *,objc,*:*:yes:*target-boehm-gc*)
1844 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1848 # Make sure we only build Boehm's garbage collector if required.
1849 case ,${enable_languages},:${enable_objc_gc} in
1851 # Keep target-boehm-gc if requested for Objective-C.
1854 # Otherwise remove target-boehm-gc depending on target-libjava.
1855 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1856 noconfigdirs="$noconfigdirs target-boehm-gc"
1861 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1862 # $build_configdirs and $target_configdirs.
1863 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1866 for dir in . $skipdirs $noconfigdirs ; do
1867 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1868 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1869 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1870 if test -r $srcdir/$dirname/configure ; then
1871 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1874 notsupp="$notsupp $dir"
1878 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1879 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1880 if test -r $srcdir/$dirname/configure ; then
1881 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1884 notsupp="$notsupp $dir"
1888 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1889 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1890 if test -r $srcdir/$dirname/configure ; then
1891 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1894 notsupp="$notsupp $dir"
1900 # Sometimes the tools are distributed with libiberty but with no other
1901 # libraries. In that case, we don't want to build target-libiberty.
1902 # Don't let libgcc imply libiberty either.
1903 if test -n "${target_configdirs}" ; then
1906 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1907 if test "$i" = "libgcc"; then
1908 libgcc=target-libgcc
1909 elif test "$i" != "libiberty" ; then
1910 if test -r $srcdir/$i/configure ; then
1916 if test -z "${others}" ; then
1917 target_configdirs=$libgcc
1921 # Quietly strip out all directories which aren't configurable in this tree.
1922 # This relies on all configurable subdirectories being autoconfiscated, which
1924 build_configdirs_all="$build_configdirs"
1926 for i in ${build_configdirs_all} ; do
1927 j=`echo $i | sed -e s/build-//g`
1928 if test -f ${srcdir}/$j/configure ; then
1929 build_configdirs="${build_configdirs} $i"
1933 configdirs_all="$configdirs"
1935 for i in ${configdirs_all} ; do
1936 if test -f ${srcdir}/$i/configure ; then
1937 configdirs="${configdirs} $i"
1941 target_configdirs_all="$target_configdirs"
1943 for i in ${target_configdirs_all} ; do
1944 j=`echo $i | sed -e s/target-//g`
1945 if test -f ${srcdir}/$j/configure ; then
1946 target_configdirs="${target_configdirs} $i"
1950 # Produce a warning message for the subdirs we can't configure.
1951 # This isn't especially interesting in the Cygnus tree, but in the individual
1952 # FSF releases, it's important to let people know when their machine isn't
1953 # supported by the one or two programs in a package.
1955 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1956 # If $appdirs is non-empty, at least one of those directories must still
1957 # be configured, or we error out. (E.g., if the gas release supports a
1958 # specified target in some subdirs but not the gas subdir, we shouldn't
1959 # pretend that all is well.)
1960 if test -n "$appdirs" ; then
1961 for dir in $appdirs ; do
1962 if test -r $dir/Makefile.in ; then
1963 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1967 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1973 if test -n "$appdirs" ; then
1974 echo "*** This configuration is not supported by this package." 1>&2
1978 # Okay, some application will build, or we don't care to check. Still
1979 # notify of subdirs not getting built.
1980 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1981 echo " ${notsupp}" 1>&2
1982 echo " (Any other directories should still work fine.)" 1>&2
1990 # To find our prefix, in gcc_cv_tool_prefix.
1995 AC_ARG_WITH([build-sysroot],
1996 [ --with-build-sysroot=SYSROOT
1997 use sysroot as the system root during the build],
1998 [if test x"$withval" != x ; then
1999 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2001 [SYSROOT_CFLAGS_FOR_TARGET=])
2002 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2004 AC_ARG_WITH([debug-prefix-map],
2005 [ --with-debug-prefix-map='A=B C=D ...'
2006 map A to B, C to D ... in debug information],
2007 [if test x"$withval" != x; then
2008 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2009 for debug_map in $withval; do
2010 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2013 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2014 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2016 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2017 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2018 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2019 # We want to ensure that TARGET libraries (which we know are built with
2020 # gcc) are built with "-O2 -g", so include those options when setting
2021 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2022 if test "x$CFLAGS_FOR_TARGET" = x; then
2023 CFLAGS_FOR_TARGET=$CFLAGS
2026 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2029 *" -g "* | *" -g3 "*) ;;
2030 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2033 AC_SUBST(CFLAGS_FOR_TARGET)
2035 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2036 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2037 case " $CXXFLAGS " in
2039 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2041 case " $CXXFLAGS " in
2042 *" -g "* | *" -g3 "*) ;;
2043 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2046 AC_SUBST(CXXFLAGS_FOR_TARGET)
2048 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2049 # the named directory are copied to $(tooldir)/sys-include.
2050 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2051 if test x${is_cross_compiler} = xno ; then
2052 echo 1>&2 '***' --with-headers is only supported when cross compiling
2055 if test x"${with_headers}" != xyes ; then
2056 x=${gcc_cv_tool_prefix}
2057 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2061 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2062 # the name directories are copied to $(tooldir)/lib. Multiple directories
2064 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2065 if test x${is_cross_compiler} = xno ; then
2066 echo 1>&2 '***' --with-libs is only supported when cross compiling
2069 if test x"${with_libs}" != xyes ; then
2070 # Copy the libraries in reverse order, so that files in the first named
2071 # library override files in subsequent libraries.
2072 x=${gcc_cv_tool_prefix}
2073 for l in ${with_libs}; do
2074 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2079 # Set with_gnu_as and with_gnu_ld as appropriate.
2081 # This is done by determining whether or not the appropriate directory
2082 # is available, and by checking whether or not specific configurations
2083 # have requested that this magic not happen.
2085 # The command line options always override the explicit settings in
2086 # configure.in, and the settings in configure.in override this magic.
2088 # If the default for a toolchain is to use GNU as and ld, and you don't
2089 # want to do that, then you should use the --without-gnu-as and
2090 # --without-gnu-ld options for the configure script.
2092 if test x${use_gnu_as} = x &&
2093 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2095 extra_host_args="$extra_host_args --with-gnu-as"
2098 if test x${use_gnu_ld} = x &&
2099 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2101 extra_host_args="$extra_host_args --with-gnu-ld"
2104 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2105 # can detect this case.
2107 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2109 extra_host_args="$extra_host_args --with-newlib"
2112 # Handle ${copy_dirs}
2113 set fnord ${copy_dirs}
2115 while test $# != 0 ; do
2116 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2119 echo Copying $1 to $2
2121 # Use the install script to create the directory and all required
2122 # parent directories.
2123 if test -d $2 ; then
2127 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2130 # Copy the directory, assuming we have tar.
2131 # FIXME: Should we use B in the second tar? Not all systems support it.
2132 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2134 # It is the responsibility of the user to correctly adjust all
2135 # symlinks. If somebody can figure out how to handle them correctly
2136 # here, feel free to add the code.
2143 # Determine a target-dependent exec_prefix that the installed
2144 # gcc will search in. Keep this list sorted by triplet, with
2145 # the *-*-osname triplets last.
2149 md_exec_prefix=/gnu/lib/gcc-lib
2151 i[[34567]]86-pc-msdosdjgpp*)
2152 md_exec_prefix=/dev/env/DJDIR/bin
2154 i[[34567]]86-*-sco3.2v5*)
2155 if test $with_gnu_as = yes; then
2156 md_exec_prefix=/usr/gnu/bin
2158 md_exec_prefix=/usr/ccs/bin/elf
2163 powerpc-*-chorusos* | \
2164 powerpc*-*-eabi* | \
2165 powerpc*-*-sysv* | \
2166 powerpc*-*-kaos* | \
2168 md_exec_prefix=/usr/ccs/bin
2173 md_exec_prefix=/usr/ccs/bin
2188 md_exec_prefix=/usr/ccs/bin
2192 extra_arflags_for_target=
2193 extra_nmflags_for_target=
2194 extra_ranlibflags_for_target=
2195 target_makefile_frag=/dev/null
2198 target_makefile_frag="config/mt-mep"
2201 target_makefile_frag="config/mt-spu"
2204 target_makefile_frag="config/mt-sde"
2206 mipsisa*-*-elfoabi*)
2207 target_makefile_frag="config/mt-mips-elfoabi"
2209 mips*-*-*linux* | mips*-*-gnu*)
2210 target_makefile_frag="config/mt-mips-gnu"
2213 target_makefile_frag="config/mt-netware"
2215 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2216 target_makefile_frag="config/mt-gnu"
2218 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2219 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2220 # commands to handle both 32-bit and 64-bit objects. These flags are
2221 # harmless if we're using GNU nm or ar.
2222 extra_arflags_for_target=" -X32_64"
2223 extra_nmflags_for_target=" -B -X32_64"
2226 # ranlib from Darwin requires the -c flag to look at common symbols.
2227 extra_ranlibflags_for_target=" -c"
2229 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2230 target_makefile_frag="config/mt-wince"
2234 alphaieee_frag=/dev/null
2237 # This just makes sure to use the -mieee option to build target libs.
2238 # This should probably be set individually by each library.
2239 alphaieee_frag="config/mt-alphaieee"
2243 # If --enable-target-optspace always use -Os instead of -O2 to build
2244 # the target libraries, similarly if it is not specified, use -Os
2245 # on selected platforms.
2246 ospace_frag=/dev/null
2247 case "${enable_target_optspace}:${target}" in
2249 ospace_frag="config/mt-ospace"
2252 ospace_frag="config/mt-d30v"
2254 :m32r-* | :d10v-* | :fr30-*)
2255 ospace_frag="config/mt-ospace"
2260 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2264 # Default to using --with-stabs for certain targets.
2265 if test x${with_stabs} = x ; then
2267 mips*-*-irix[[56]]*)
2269 mips*-*-* | alpha*-*-osf*)
2271 extra_host_args="${extra_host_args} --with-stabs"
2276 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2277 # them automatically.
2280 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2284 # Some systems (e.g., one of the i386-aix systems the gas testers are
2285 # using) don't handle "\$" correctly, so don't use it here.
2286 tooldir='${exec_prefix}'/${target_noncanonical}
2287 build_tooldir=${tooldir}
2289 # Create a .gdbinit file which runs the one in srcdir
2290 # and tells GDB to look there for source files.
2292 if test -r ${srcdir}/.gdbinit ; then
2295 *) cat > ./.gdbinit <<EOF
2299 source ${srcdir}/.gdbinit
2305 # Make sure that the compiler is able to generate an executable. If it
2306 # can't, we are probably in trouble. We don't care whether we can run the
2307 # executable--we might be using a cross compiler--we only care whether it
2308 # can be created. At this point the main configure script has set CC.
2310 echo "int main () { return 0; }" > conftest.c
2311 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2312 if test $? = 0 ; then
2313 if test -s conftest || test -s conftest.exe ; then
2319 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2320 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2327 # The Solaris /usr/ucb/cc compiler does not appear to work.
2329 sparc-sun-solaris2*)
2330 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2331 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2333 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2334 if test -d /opt/cygnus/bin ; then
2335 if test "$could_use" = "" ; then
2336 could_use="/opt/cygnus/bin"
2338 could_use="$could_use or /opt/cygnus/bin"
2341 if test "$could_use" = "" ; then
2342 echo "Warning: compilation may fail because you're using"
2343 echo "/usr/ucb/cc. You should change your PATH or CC "
2344 echo "variable and rerun configure."
2346 echo "Warning: compilation may fail because you're using"
2347 echo "/usr/ucb/cc, when you should use the C compiler from"
2348 echo "$could_use. You should change your"
2349 echo "PATH or CC variable and rerun configure."
2355 # Decide which environment variable is used to find dynamic libraries.
2357 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2358 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2359 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2360 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2363 # On systems where the dynamic library environment variable is PATH,
2364 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2365 # built executables to PATH.
2366 if test "$RPATH_ENVVAR" = PATH; then
2367 GCC_SHLIB_SUBDIR=/shlib
2372 # Record target_configdirs and the configure arguments for target and
2373 # build configuration in Makefile.
2374 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2375 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2377 # Determine whether gdb needs tk/tcl or not.
2378 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2379 # and in that case we want gdb to be built without tk. Ugh!
2380 # In fact I believe gdb is the *only* package directly dependent on tk,
2381 # so we should be able to put the 'maybe's in unconditionally and
2382 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2383 # 100% sure that that's safe though.
2385 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2386 case "$enable_gdbtk" in
2390 GDB_TK="${gdb_tk}" ;;
2392 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2393 # distro. Eventually someone will fix this and move Insight, nee
2394 # gdbtk to a separate directory.
2395 if test -d ${srcdir}/gdb/gdbtk ; then
2402 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2403 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2405 # Strip out unwanted targets.
2407 # While at that, we remove Makefiles if we were started for recursive
2408 # configuration, so that the top-level Makefile reconfigures them,
2409 # like we used to do when configure itself was recursive.
2411 # Loop over modules. $extrasub must be used with care, limiting as
2412 # much as possible the usage of range addresses. That's because autoconf
2413 # splits the sed script to overcome limits in the number of commands,
2414 # and relying on carefully-timed sed passes may turn out to be very hard
2415 # to maintain later. In this particular case, you just have to be careful
2416 # not to nest @if/@endif pairs, because configure will not warn you at all.
2418 AC_ARG_ENABLE([bootstrap],
2419 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2420 enable_bootstrap=default)
2422 # Issue errors and warnings for invalid/strange bootstrap combinations.
2423 case "$configdirs" in
2424 *gcc*) have_compiler=yes ;;
2425 *) have_compiler=no ;;
2428 case "$have_compiler:$host:$target:$enable_bootstrap" in
2431 # Default behavior. Enable bootstrap if we have a compiler
2432 # and we are in a native configuration.
2433 yes:$build:$build:default)
2434 enable_bootstrap=yes ;;
2437 enable_bootstrap=no ;;
2439 # We have a compiler and we are in a native configuration, bootstrap is ok
2440 yes:$build:$build:yes)
2443 # Other configurations, but we have a compiler. Assume the user knows
2446 AC_MSG_WARN([trying to bootstrap a cross compiler])
2449 # No compiler: if they passed --enable-bootstrap explicitly, fail
2451 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2453 # Fail if wrong command line
2455 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2459 # Adjust the toplevel makefile according to whether bootstrap was selected.
2460 case "$enable_bootstrap" in
2462 bootstrap_suffix=bootstrap ;;
2464 bootstrap_suffix=no-bootstrap ;;
2467 for module in ${build_configdirs} ; do
2468 if test -z "${no_recursion}" \
2469 && test -f ${build_subdir}/${module}/Makefile; then
2470 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2471 rm -f ${build_subdir}/${module}/Makefile
2474 /^@if build-$module\$/d
2475 /^@endif build-$module\$/d
2476 /^@if build-$module-$bootstrap_suffix\$/d
2477 /^@endif build-$module-$bootstrap_suffix\$/d"
2479 for module in ${configdirs} ; do
2480 if test -z "${no_recursion}"; then
2481 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2482 if test -f ${file}; then
2483 echo 1>&2 "*** removing ${file} to force reconfigure"
2490 /^@endif $module\$/d
2491 /^@if $module-$bootstrap_suffix\$/d
2492 /^@endif $module-$bootstrap_suffix\$/d"
2494 for module in ${target_configdirs} ; do
2495 if test -z "${no_recursion}" \
2496 && test -f ${target_subdir}/${module}/Makefile; then
2497 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2498 rm -f ${target_subdir}/${module}/Makefile
2501 # We only bootstrap target libraries listed in bootstrap_target_libs.
2502 case $bootstrap_target_libs in
2503 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2504 *) target_bootstrap_suffix=no-bootstrap ;;
2508 /^@if target-$module\$/d
2509 /^@endif target-$module\$/d
2510 /^@if target-$module-$target_bootstrap_suffix\$/d
2511 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2515 /^@if /,/^@endif /d"
2517 # Create the serialization dependencies. This uses a temporary file.
2519 AC_ARG_ENABLE([serial-configure],
2520 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2521 force sequential configuration of
2522 sub-packages for the host, target or build
2523 machine, or all sub-packages])
2525 case ${enable_serial_configure} in
2527 enable_serial_build_configure=yes
2528 enable_serial_host_configure=yes
2529 enable_serial_target_configure=yes
2533 # These force 'configure's to be done one at a time, to avoid problems
2534 # with contention over a shared config.cache.
2536 echo '# serdep.tmp' > serdep.tmp
2538 test "x${enable_serial_build_configure}" = xyes &&
2539 for item in ${build_configdirs} ; do
2542 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2547 test "x${enable_serial_host_configure}" = xyes &&
2548 for item in ${configdirs} ; do
2551 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2556 test "x${enable_serial_target_configure}" = xyes &&
2557 for item in ${target_configdirs} ; do
2560 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2564 serialization_dependencies=serdep.tmp
2565 AC_SUBST_FILE(serialization_dependencies)
2567 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2568 # target, nonopt, and variable assignments. These are the ones we
2569 # might not want to pass down to subconfigures. Also strip
2570 # program-prefix, program-suffix, and program-transform-name, so that
2571 # we can pass down a consistent program-transform-name.
2575 eval "set -- $ac_configure_args"
2578 if test X"$skip_next" = X"yes"; then
2582 if test X"$keep_next" = X"yes"; then
2585 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2587 baseargs="$baseargs '$ac_arg'"
2592 # Handle separated arguments. Based on the logic generated by
2595 *=* | --config-cache | -C | -disable-* | --disable-* \
2596 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2597 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2598 | -with-* | --with-* | -without-* | --without-* | --x)
2624 -program-prefix* | \
2625 -program-suffix* | \
2626 -program-transform-name* )
2627 skip_next=$separate_arg
2631 # An option. Add it.
2634 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2636 baseargs="$baseargs '$ac_arg'"
2637 keep_next=$separate_arg
2640 # Either a variable assignment, or a nonopt (triplet). Don't
2641 # pass it down; let the Makefile handle this.
2646 # Remove the initial space we just introduced and, as these will be
2647 # expanded by make, quote '$'.
2648 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2650 # Add in --program-transform-name, after --program-prefix and
2651 # --program-suffix have been applied to it. Autoconf has already
2652 # doubled dollar signs and backslashes in program_transform_name; we want
2653 # the backslashes un-doubled, and then the entire thing wrapped in single
2654 # quotes, because this will be expanded first by make and then by the shell.
2655 # Also, because we want to override the logic in subdir configure scripts to
2656 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2657 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2658 ${program_transform_name}
2660 gcc_transform_name=`cat conftestsed.out`
2661 rm -f conftestsed.out
2662 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2663 if test "$silent" = yes; then
2664 baseargs="$baseargs --silent"
2666 baseargs="$baseargs --disable-option-checking"
2668 # For the build-side libraries, we just need to pretend we're native,
2669 # and not use the same cache file. Multilibs are neither needed nor
2671 build_configargs="--cache-file=../config.cache ${baseargs}"
2673 # For host modules, accept cache file option, or specification as blank.
2674 case "${cache_file}" in
2676 cache_file_option="" ;;
2677 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2678 cache_file_option="--cache-file=${cache_file}" ;;
2680 cache_file_option="--cache-file=../${cache_file}" ;;
2683 # Host dirs don't like to share a cache file either, horribly enough.
2684 # This seems to be due to autoconf 2.5x stupidity.
2685 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2687 target_configargs=${baseargs}
2689 # Passing a --with-cross-host argument lets the target libraries know
2690 # whether they are being built with a cross-compiler or being built
2691 # native. However, it would be better to use other mechanisms to make the
2692 # sorts of decisions they want to make on this basis. Please consider
2693 # this option to be deprecated. FIXME.
2694 if test x${is_cross_compiler} = xyes ; then
2695 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2698 # Default to --enable-multilib.
2699 if test x${enable_multilib} = x ; then
2700 target_configargs="--enable-multilib ${target_configargs}"
2703 # Pass --with-newlib if appropriate. Note that target_configdirs has
2704 # changed from the earlier setting of with_newlib.
2705 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2706 target_configargs="--with-newlib ${target_configargs}"
2709 # Different target subdirs use different values of certain variables
2710 # (notably CXX). Worse, multilibs use *lots* of different values.
2711 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2712 # it doesn't automatically accept command-line overrides of them.
2713 # This means it's not safe for target subdirs to share a cache file,
2714 # which is disgusting, but there you have it. Hopefully this can be
2715 # fixed in future. It's still worthwhile to use a cache file for each
2716 # directory. I think.
2718 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2719 # We need to pass --target, as newer autoconf's requires consistency
2720 # for target_alias and gcc doesn't manage it consistently.
2721 target_configargs="--cache-file=./config.cache ${target_configargs}"
2724 case " $target_configdirs " in
2726 case " $target_configargs " in
2727 *" --with-newlib "*)
2730 FLAGS_FOR_TARGET=$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' ;;
2733 # If we're not building GCC, don't discard standard headers.
2734 if test -d ${srcdir}/gcc; then
2735 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2737 if test "${build}" != "${host}"; then
2738 # On Canadian crosses, CC_FOR_TARGET will have already been set
2739 # by `configure', so we won't have an opportunity to add -Bgcc/
2740 # to it. This is right: we don't want to search that directory
2741 # for binaries, but we want the header files in there, so add
2743 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2745 # Someone might think of using the pre-installed headers on
2746 # Canadian crosses, in case the installed compiler is not fully
2747 # compatible with the compiler being built. In this case, it
2748 # would be better to flag an error than risking having
2749 # incompatible object files being constructed. We can't
2750 # guarantee that an error will be flagged, but let's hope the
2751 # compiler will do it, when presented with incompatible header
2756 case "${target}-${is_cross_compiler}" in
2757 i[[3456789]]86-*-linux*-no)
2758 # Here host == target, so we don't need to build gcc,
2759 # so we don't want to discard standard headers.
2760 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2763 # If we're building newlib, use its generic headers last, but search
2764 # for any libc-related directories first (so make it the last -B
2766 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2768 # If we're building libgloss, find the startup file, simulator library
2769 # and linker script.
2770 case " $target_configdirs " in
2772 # Look for startup file, simulator library and maybe linker script.
2773 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2774 # Look for libnosys.a in case the target needs it.
2775 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2776 # Most targets have the linker script in the source directory.
2777 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2788 # Can't be handled as Cygwin above since Mingw does not use newlib.
2789 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
2792 # Allow the user to override the flags for
2793 # our build compiler if desired.
2794 if test x"${build}" = x"${host}" ; then
2795 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2796 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2797 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2800 # On Canadian crosses, we'll be searching the right directories for
2801 # the previously-installed cross compiler, so don't bother to add
2802 # flags for directories within the install tree of the compiler
2803 # being built; programs in there won't even run.
2804 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2805 # Search for pre-installed headers if nothing else fits.
2806 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2809 if test "x${use_gnu_ld}" = x &&
2810 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2811 # Arrange for us to find uninstalled linker scripts.
2812 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2815 # Search for other target-specific linker scripts and such.
2818 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2822 # Makefile fragments.
2823 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2825 eval fragval=\$$frag
2826 if test $fragval != /dev/null; then
2827 eval $frag=${srcdir}/$fragval
2830 AC_SUBST_FILE(host_makefile_frag)
2831 AC_SUBST_FILE(target_makefile_frag)
2832 AC_SUBST_FILE(alphaieee_frag)
2833 AC_SUBST_FILE(ospace_frag)
2835 # Miscellanea: directories, flags, etc.
2836 AC_SUBST(RPATH_ENVVAR)
2837 AC_SUBST(GCC_SHLIB_SUBDIR)
2839 AC_SUBST(build_tooldir)
2840 AC_SUBST(CONFIGURE_GDB_TK)
2842 AC_SUBST(INSTALL_GDB_TK)
2844 # Build module lists & subconfigure args.
2845 AC_SUBST(build_configargs)
2846 AC_SUBST(build_configdirs)
2848 # Host module lists & subconfigure args.
2849 AC_SUBST(host_configargs)
2850 AC_SUBST(configdirs)
2852 # Target module lists & subconfigure args.
2853 AC_SUBST(target_configargs)
2857 AC_SUBST(AR_FOR_BUILD)
2858 AC_SUBST(AS_FOR_BUILD)
2859 AC_SUBST(CC_FOR_BUILD)
2860 AC_SUBST(CFLAGS_FOR_BUILD)
2861 AC_SUBST(CXXFLAGS_FOR_BUILD)
2862 AC_SUBST(CXX_FOR_BUILD)
2863 AC_SUBST(DLLTOOL_FOR_BUILD)
2864 AC_SUBST(GCJ_FOR_BUILD)
2865 AC_SUBST(GFORTRAN_FOR_BUILD)
2866 AC_SUBST(LDFLAGS_FOR_BUILD)
2867 AC_SUBST(LD_FOR_BUILD)
2868 AC_SUBST(NM_FOR_BUILD)
2869 AC_SUBST(RANLIB_FOR_BUILD)
2870 AC_SUBST(WINDMC_FOR_BUILD)
2871 AC_SUBST(WINDRES_FOR_BUILD)
2872 AC_SUBST(config_shell)
2874 # Generate default definitions for YACC, M4, LEX and other programs that run
2875 # on the build machine. These are used if the Makefile can't locate these
2876 # programs in objdir.
2877 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2879 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2880 case " $build_configdirs " in
2881 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2882 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2885 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2886 case " $build_configdirs " in
2887 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2890 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2891 case " $build_configdirs " in
2892 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2895 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2896 case " $build_configdirs " in
2897 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2898 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2901 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2902 case " $build_configdirs " in
2903 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2906 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2907 case " $build_configdirs " in
2908 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2911 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2912 # higher, else we use the "missing" dummy.
2913 if ${MAKEINFO} --version \
2914 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2917 MAKEINFO="$MISSING makeinfo"
2923 # FIXME: expect and dejagnu may become build tools?
2925 AC_CHECK_PROGS(EXPECT, expect, expect)
2926 case " $configdirs " in
2928 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2932 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2933 case " $configdirs " in
2935 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2941 NCN_STRICT_CHECK_TOOLS(AR, ar)
2942 NCN_STRICT_CHECK_TOOLS(AS, as)
2943 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2944 NCN_STRICT_CHECK_TOOLS(LD, ld)
2945 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2946 NCN_STRICT_CHECK_TOOLS(NM, nm)
2947 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2948 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2949 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2950 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
2951 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2952 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2959 AC_ARG_WITH([build-time-tools],
2960 [ --with-build-time-tools=PATH
2961 use given path to find target tools during the build],
2962 [case x"$withval" in
2965 with_build_time_tools=
2966 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2969 [with_build_time_tools=])
2971 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2972 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2973 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2974 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2975 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2977 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2978 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2979 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2980 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2981 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2982 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2983 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2984 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2985 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2986 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2987 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
2989 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2991 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2992 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2993 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2994 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2995 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2997 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2998 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3000 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3001 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3002 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3003 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3004 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3005 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3006 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3007 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3008 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3009 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3010 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3011 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3012 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3013 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3015 AC_SUBST(FLAGS_FOR_TARGET)
3016 AC_SUBST(RAW_CXX_FOR_TARGET)
3018 # Certain tools may need extra flags.
3019 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3020 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3021 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3023 # When building target libraries, except in a Canadian cross, we use
3024 # the same toolchain as the compiler we just built.
3025 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3026 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3027 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3028 if test $host = $build; then
3029 case " $configdirs " in
3031 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3032 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3033 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3038 AC_SUBST(COMPILER_AS_FOR_TARGET)
3039 AC_SUBST(COMPILER_LD_FOR_TARGET)
3040 AC_SUBST(COMPILER_NM_FOR_TARGET)
3042 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3043 AC_ARG_ENABLE(maintainer-mode,
3044 [ --enable-maintainer-mode enable make rules and dependencies not useful
3045 (and sometimes confusing) to the casual installer],
3046 USE_MAINTAINER_MODE=$enableval,
3047 USE_MAINTAINER_MODE=no)
3048 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3049 AC_SUBST(MAINTAINER_MODE_TRUE)
3050 AC_SUBST(MAINTAINER_MODE_FALSE)
3051 if test "$USE_MAINTAINER_MODE" = yes; then
3052 MAINTAINER_MODE_TRUE=
3053 MAINTAINER_MODE_FALSE='#'
3055 MAINTAINER_MODE_TRUE='#'
3056 MAINTAINER_MODE_FALSE=
3058 MAINT=$MAINTAINER_MODE_TRUE
3061 # ---------------------
3062 # GCC bootstrap support
3063 # ---------------------
3065 # Stage specific cflags for build.
3070 yes) stage1_cflags="-g -Wa,-J" ;;
3071 *) stage1_cflags="-g -J" ;;
3075 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3076 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3077 saved_CFLAGS="$CFLAGS"
3079 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3080 CFLAGS="$CFLAGS -fkeep-inline-functions"
3081 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3083 #if (__GNUC__ < 3) \
3084 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3085 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3086 #error http://gcc.gnu.org/PR29382
3089 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3090 [AC_MSG_RESULT([no])])
3092 CFLAGS="$saved_CFLAGS"
3095 AC_SUBST(stage1_cflags)
3097 # Enable --enable-checking in stage1 of the compiler.
3098 AC_ARG_ENABLE(stage1-checking,
3099 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3101 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3102 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3103 stage1_checking=--enable-checking=yes,types
3105 stage1_checking=--enable-checking=$enable_checking,types
3107 AC_SUBST(stage1_checking)
3109 # Enable -Werror in bootstrap stage2 and later.
3110 AC_ARG_ENABLE(werror,
3111 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3112 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3117 case ${enable_werror} in
3118 yes) stage2_werror_flag="--enable-werror-always" ;;
3119 *) stage2_werror_flag="" ;;
3121 AC_SUBST(stage2_werror_flag)
3123 # Flags needed to enable html installing and building
3124 AC_ARG_WITH(datarootdir,
3125 [ --with-datarootdir use datarootdir as the data root directory.],
3126 [datarootdir="\${prefix}/${withval}"],
3127 [datarootdir="\${prefix}/share"])
3130 [ --with-docdir install documentation in this directory.],
3131 [docdir="\${prefix}/${withval}"],
3132 [docdir="\${datarootdir}/doc"])
3135 [ --with-pdfdir install pdf in this directory.],
3136 [pdfdir="\${prefix}/${withval}"],
3137 [pdfdir="\${docdir}"])
3139 AC_ARG_WITH(htmldir,
3140 [ --with-htmldir install html in this directory.],
3141 [htmldir="\${prefix}/${withval}"],
3142 [htmldir="\${docdir}"])
3144 AC_SUBST(datarootdir)
3149 # Specify what files to not compare during bootstrap.
3151 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3153 hppa*64*-*-hpux*) ;;
3154 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3156 AC_SUBST(compare_exclusions)
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