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)
30 # if PWD already has a value, it is probably wrong.
31 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
33 # Export original configure arguments for use by sub-configures.
34 # Quote arguments with shell meta charatcers.
35 TOPLEVEL_CONFIGURE_ARGUMENTS=
36 set -- "$progname" "$@"
40 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
41 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
42 # if the argument is of the form -foo=baz, quote the baz part only
43 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
46 # Add the quoted argument to the list.
47 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
49 if test "$silent" = yes; then
50 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
52 # Remove the initial space we just introduced and, as these will be
53 # expanded by make, quote '$'.
54 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
55 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
57 # Find the build, host, and target systems.
58 ACX_NONCANONICAL_BUILD
60 ACX_NONCANONICAL_TARGET
62 dnl Autoconf 2.5x and later will set a default program prefix if
63 dnl --target was used, even if it was the same as --host. Disable
64 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
66 test "$host_noncanonical" = "$target_noncanonical" &&
67 test "$program_prefix$program_suffix$program_transform_name" = \
69 program_transform_name=s,y,y,
74 m4_pattern_allow([^AS_FOR_TARGET$])dnl
75 m4_pattern_allow([^AS_FOR_BUILD$])dnl
77 # Get 'install' or 'install-sh' and its variants.
82 ### we might need to use some other shell than /bin/sh for running subshells
83 ### If we are on Windows, search for the shell. This will permit people
84 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
85 ### without also having to set CONFIG_SHELL. This code will work when
86 ### using bash, which sets OSTYPE.
89 if test x${CONFIG_SHELL} = x ; then
90 if test ! -f /bin/sh ; then
91 if test x${SHELL} != x && test -f ${SHELL} ; then
95 for prog in sh sh.exe bash bash.exe; do
96 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
98 test -z "$dir" && dir=.
99 if test -f $dir/$prog; then
100 CONFIG_SHELL=$dir/$prog
106 test -n "${CONFIG_SHELL}" && break
114 config_shell=${CONFIG_SHELL-/bin/sh}
116 moveifchange=${srcdir}/move-if-change
118 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
120 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
122 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
123 INSTALL="${srcpwd}/install-sh -c"
126 # Set srcdir to "." if that's what it is.
127 # This is important for multilib support.
129 if test "${pwd}" = "${srcpwd}" ; then
137 ### To add a new directory to the tree, first choose whether it is a target
138 ### or a host dependent tool. Then put it into the appropriate list
139 ### (library or tools, host or target), doing a dependency sort.
141 # Subdirs will be configured in the order listed in build_configdirs,
142 # configdirs, or target_configdirs; see the serialization section below.
144 # Dependency sorting is only needed when *configuration* must be done in
145 # a particular order. In all cases a dependency should be specified in
146 # the Makefile, whether or not it's implicitly specified here.
148 # Double entries in build_configdirs, configdirs, or target_configdirs may
149 # cause circular dependencies and break everything horribly.
151 # these library is used by various programs built for the build
154 build_libs="build-libiberty"
156 # these tools are built for the build environment
157 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
159 # these libraries are used by various programs built for the host environment
161 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libiconv"
163 # these tools are built for the host environment
164 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
165 # know that we are building the simulator.
166 # binutils, gas and ld appear in that order because it makes sense to run
167 # "make check" in that particular order.
168 # If --enable-gold is used, "gold" will replace "ld".
169 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"
171 # libgcj represents the runtime libraries only used by gcj.
172 libgcj="target-libffi \
177 # these libraries are built for the target environment, and are built after
178 # the host libraries and the host tools (which may be a cross compiler)
180 target_libraries="target-libgcc \
185 target-libstdc++-v3 \
194 # these tools are built using the target libraries, and are intended to
195 # run only in the target environment
197 # note: any program that *uses* libraries that are in the "target_libraries"
198 # list belongs in this list. those programs are also very likely
199 # candidates for the "native_only" list which follows
201 target_tools="target-examples target-groff target-gperf target-rda"
203 ################################################################################
205 ## All tools belong in one of the four categories, and are assigned above
206 ## We assign ${configdirs} this way to remove all embedded newlines. This
207 ## is important because configure will choke if they ever get through.
208 ## ${configdirs} is directories we build using the host tools.
209 ## ${target_configdirs} is directories we build using the target tools.
210 configdirs=`echo ${host_libs} ${host_tools}`
211 target_configdirs=`echo ${target_libraries} ${target_tools}`
212 build_configdirs=`echo ${build_libs} ${build_tools}`
214 m4_divert_text([PARSE_ARGS],
215 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
218 ################################################################################
220 srcname="gnu development package"
222 # This gets set non-empty for some net releases of packages.
225 # Define is_cross_compiler to save on calls to 'test'.
227 if test x"${host}" = x"${target}" ; then
230 is_cross_compiler=yes
233 # Find the build and target subdir names.
236 # Skipdirs are removed silently.
238 # Noconfigdirs are removed loudly.
242 # Make sure we don't let GNU ld be added if we didn't want it.
243 if test x$with_gnu_ld = xno ; then
245 noconfigdirs="$noconfigdirs ld gold"
249 # Make sure we don't let GNU as be added if we didn't want it.
250 if test x$with_gnu_as = xno ; then
252 noconfigdirs="$noconfigdirs gas"
255 # some tools are so dependent upon X11 that if we're not building with X,
256 # it's not even worth trying to configure, much less build, that tool.
259 yes | "") ;; # the default value for this tree is that X11 is available
261 skipdirs="${skipdirs} tk itcl libgui"
262 # We won't be able to build gdbtk without X.
265 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
268 # Some tools are only suitable for building in a "native" situation.
269 # Remove these if host!=target.
270 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"
272 # Similarly, some are only suitable for cross toolchains.
273 # Remove these if host=target.
274 cross_only="target-libgloss target-newlib target-opcodes"
276 case $is_cross_compiler in
277 no) skipdirs="${skipdirs} ${cross_only}" ;;
278 yes) skipdirs="${skipdirs} ${native_only}" ;;
281 # If both --with-headers and --with-libs are specified, default to
283 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
284 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
285 if test x"${with_newlib}" = x ; then
290 # Recognize --with-newlib/--without-newlib.
291 case ${with_newlib} in
292 no) skipdirs="${skipdirs} target-newlib" ;;
293 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
296 # Handle --enable-gold.
299 [ --enable-gold use gold instead of ld],
300 ENABLE_GOLD=$enableval,
302 if test "${ENABLE_GOLD}" = "yes"; then
303 # Check for ELF target.
306 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
307 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
308 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
310 *-*-linux*aout* | *-*-linux*oldld*)
318 if test "$is_elf" = "yes"; then
319 # Check for target supported by gold.
321 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
322 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
328 # Configure extra directories which are host specific
332 configdirs="$configdirs libtermcap" ;;
335 # A target can indicate whether a language isn't supported for some reason.
336 # Only spaces may be used in this macro; not newlines or tabs.
337 unsupported_languages=
339 # Remove more programs from consideration, based on the host or
340 # target this usually means that a port of the program doesn't
345 noconfigdirs="$noconfigdirs byacc"
347 i[[3456789]]86-*-vsta)
348 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
350 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
351 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
354 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
356 i[[3456789]]86-*-mingw32*)
357 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
358 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
360 i[[3456789]]86-*-beos*)
361 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
364 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
367 noconfigdirs="$noconfigdirs rcs"
370 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
373 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
378 AC_ARG_ENABLE(libada,
379 [ --enable-libada build libada directory],
380 ENABLE_LIBADA=$enableval,
382 if test "${ENABLE_LIBADA}" != "yes" ; then
383 noconfigdirs="$noconfigdirs gnattools"
386 AC_ARG_ENABLE(libssp,
387 [ --enable-libssp build libssp directory],
388 ENABLE_LIBSSP=$enableval,
391 # Save it here so that, even in case of --enable-libgcj, if the Java
392 # front-end isn't enabled, we still get libgcj disabled.
394 case $enable_libgcj in
396 # If we reset it here, it won't get added to noconfigdirs in the
397 # target-specific build rules, so it will be forcibly enabled
398 # (unless the Java language itself isn't enabled).
402 # Make sure we get it printed in the list of not supported target libs.
403 noconfigdirs="$noconfigdirs ${libgcj}"
408 # Disable libmudflap on some systems.
409 if test x$enable_libmudflap = x ; then
411 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
412 # Enable libmudflap by default in GNU and friends.
415 # Enable libmudflap by default in FreeBSD.
418 # Disable it by default everywhere else.
419 noconfigdirs="$noconfigdirs target-libmudflap"
424 # Disable libgomp on non POSIX hosted systems.
425 if test x$enable_libgomp = x ; then
426 # Enable libgomp by default on hosted POSIX systems.
428 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
430 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
432 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
434 *-*-darwin* | *-*-aix*)
437 noconfigdirs="$noconfigdirs target-libgomp"
442 # Default libgloss CPU subdirectory.
443 libgloss_dir="$target_cpu"
447 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
450 noconfigdirs="$noconfigdirs ld gas gdb gprof"
451 noconfigdirs="$noconfigdirs sim target-rda"
453 i[[3456789]]86-*-darwin*)
454 noconfigdirs="$noconfigdirs ld gprof"
455 noconfigdirs="$noconfigdirs sim target-rda"
457 x86_64-*-darwin[[912]]*)
458 noconfigdirs="$noconfigdirs ld gas gprof"
459 noconfigdirs="$noconfigdirs sim target-rda"
462 noconfigdirs="$noconfigdirs ld gas gdb gprof"
463 noconfigdirs="$noconfigdirs sim target-rda"
464 noconfigdirs="$noconfigdirs ${libgcj}"
466 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
467 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
470 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
471 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
472 && test -f /usr/local/include/gmp.h; then
476 # Skip some stuff that's unsupported on some FreeBSD configurations.
481 noconfigdirs="$noconfigdirs ${libgcj}"
486 # Remove unsupported stuff on all kaOS configurations.
487 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
488 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
489 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
490 noconfigdirs="$noconfigdirs target-libgloss"
493 # Skip some stuff on all NetBSD configurations.
494 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
496 # Skip some stuff that's unsupported on some NetBSD configurations.
498 i*86-*-netbsdelf*) ;;
499 arm*-*-netbsdelf*) ;;
501 noconfigdirs="$noconfigdirs ${libgcj}"
506 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
509 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
511 # The tpf target doesn't support gdb yet.
513 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
516 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
519 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
522 # ld works, but does not support shared libraries.
523 # newlib is not 64 bit ready. I'm not sure about fileutils.
524 # gas doesn't generate exception information.
525 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
528 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
531 # newlib is not 64 bit ready
532 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
535 # newlib is not 64 bit ready
536 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
539 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
542 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
544 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
545 noconfigdirs="$noconfigdirs ${libgcj}"
546 noconfigdirs="$noconfigdirs target-examples"
547 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
548 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
549 noconfigdirs="$noconfigdirs expect dejagnu"
550 # the C++ libraries don't build on top of CE's C libraries
551 noconfigdirs="$noconfigdirs target-libstdc++-v3"
552 noconfigdirs="$noconfigdirs target-newlib"
554 *-*-cygwin*) ;; # keep gdb and readline
555 *) noconfigdirs="$noconfigdirs gdb readline"
561 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
565 arm-*-coff | strongarm-*-coff | xscale-*-coff)
566 noconfigdirs="$noconfigdirs ${libgcj}"
569 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
570 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
573 arm*-*-linux-gnueabi)
574 noconfigdirs="$noconfigdirs target-qthreads"
575 case ${with_newlib} in
576 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
581 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
585 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
588 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
591 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
594 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
597 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
600 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
603 noconfigdirs="$noconfigdirs gdb"
604 if test x${is_cross_compiler} != xno ; then
605 target_configdirs="${target_configdirs} target-bsp target-cygmon"
609 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
611 c54x*-*-* | tic54x-*-*)
612 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
615 noconfigdirs="$noconfigdirs ${libgcj} gdb"
617 cris-*-* | crisv32-*-*)
618 unsupported_languages="$unsupported_languages java"
621 unsupported_languages="$unsupported_languages fortran"
622 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
624 noconfigdirs="$noconfigdirs target-boehm-gc";;
626 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
628 unsupported_languages="$unsupported_languages fortran"
629 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
634 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
637 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
640 noconfigdirs="$noconfigdirs ${libgcj} gdb"
642 ep9312-*-elf | ep9312-*-coff)
646 noconfigdirs="$noconfigdirs ${libgcj} gdb"
649 noconfigdirs="$noconfigdirs ${libgcj}"
652 noconfigdirs="$noconfigdirs ${libgcj}"
653 noconfigdirs="$noconfigdirs gprof"
656 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
659 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
661 hppa1.1-*-osf* | hppa1.1-*-bsd* )
663 hppa*64*-*-linux* | parisc*64*-*-linux*)
664 # In this case, it's because the hppa64-linux target is for
665 # the kernel only at this point and has no libc, and thus no
666 # headers, crt*.o, etc., all of which are needed by these.
667 noconfigdirs="$noconfigdirs target-zlib"
669 parisc*-*-linux* | hppa*-*-linux*)
675 noconfigdirs="$noconfigdirs ${libgcj}"
678 noconfigdirs="$noconfigdirs ld shellutils"
684 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
685 # build on HP-UX 10.20.
686 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
689 noconfigdirs="$noconfigdirs ${libgcj} gdb"
692 # No gdb support yet.
693 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
696 # No gdb or ld support yet.
697 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
700 # No gdb or ld support yet.
701 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
705 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
706 noconfigdirs="$noconfigdirs ${libgcj}"
709 i[[3456789]]86-*-linux*)
710 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
711 # not build java stuff by default.
714 noconfigdirs="$noconfigdirs ${libgcj}";;
717 # This section makes it possible to build newlib natively on linux.
718 # If we are using a cross compiler then don't configure newlib.
719 if test x${is_cross_compiler} != xno ; then
720 noconfigdirs="$noconfigdirs target-newlib"
722 noconfigdirs="$noconfigdirs target-libgloss"
723 # If we are not using a cross compiler, do configure newlib.
724 # Note however, that newlib will only be configured in this situation
725 # if the --with-newlib option has been given, because otherwise
726 # 'target-newlib' will appear in skipdirs.
728 i[[3456789]]86-*-mingw32*)
729 target_configdirs="$target_configdirs target-winsup"
730 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
733 target_configdirs="$target_configdirs target-winsup"
734 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
737 target_configdirs="$target_configdirs target-libtermcap target-winsup"
738 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
739 # always build newlib if winsup directory is present.
740 if test -d "$srcdir/winsup/cygwin"; then
741 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
742 elif test -d "$srcdir/newlib"; then
743 echo "Warning: winsup/cygwin is missing so newlib can't be built."
746 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
747 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
750 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
752 i[[3456789]]86-*-sco3.2v5*)
753 # The linker does not yet know about weak symbols in COFF,
754 # and is not configured to handle mixed ELF and COFF.
755 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
757 i[[3456789]]86-*-sco*)
758 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
760 i[[3456789]]86-*-solaris2*)
761 noconfigdirs="$noconfigdirs target-libgloss"
763 i[[3456789]]86-*-sysv4*)
764 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
766 i[[3456789]]86-*-beos*)
767 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
769 i[[3456789]]86-*-rdos*)
770 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
773 noconfigdirs="$noconfigdirs ${libgcj}"
775 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
776 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
780 noconfigdirs="$noconfigdirs ${libgcj}"
783 noconfigdirs="$noconfigdirs ${libgcj}"
789 # The EPOC C++ environment does not support exceptions or rtti,
790 # and so building libstdc++-v3 tends not to always work.
791 noconfigdirs="$noconfigdirs target-libstdc++-v3"
794 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
795 unsupported_languages="$unsupported_languages fortran java"
798 noconfigdirs="$noconfigdirs ${libgcj}"
801 noconfigdirs="$noconfigdirs ${libgcj}"
804 noconfigdirs="$noconfigdirs sim"
807 # copied from rs6000-*-* entry
808 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
810 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
811 target_configdirs="$target_configdirs target-winsup"
812 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
813 # always build newlib.
814 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
816 # This is temporary until we can link against shared libraries
817 powerpcle-*-solaris*)
818 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
822 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
825 noconfigdirs="$noconfigdirs ${libgcj}"
828 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
832 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
835 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
838 noconfigdirs="$noconfigdirs gprof ${libgcj}"
841 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
844 noconfigdirs="$noconfigdirs gprof ${libgcj}"
847 skipdirs="$skipdirs target-libiberty"
848 noconfigdirs="$noconfigdirs ${libgcj}"
849 if test x$with_newlib = xyes; then
850 noconfigdirs="$noconfigdirs gprof"
855 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
858 # Linking libjava exceeds command-line length limits on at least
859 # IRIX 6.2, but not on IRIX 6.5.
860 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
861 # <oldham@codesourcery.com>
862 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
865 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
868 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
871 noconfigdirs="$noconfigdirs gprof ${libgcj}"
875 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
879 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
880 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
881 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
882 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
886 noconfigdirs="$noconfigdirs ${libgcj}" ;;
888 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
891 sparclet-*-aout* | sparc86x-*-*)
895 noconfigdirs="$noconfigdirs ${libgcj}"
898 noconfigdirs="$noconfigdirs ${libgcj}"
902 noconfigdirs="$noconfigdirs ${libgcj}"
906 noconfigdirs="$noconfigdirs ${libgcj}"
907 if test x${is_cross_compiler} != xno ; then
908 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
913 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
914 noconfigdirs="$noconfigdirs ${libgcj}"
916 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
919 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
922 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
925 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
928 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
931 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
934 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
937 noconfigdirs="$noconfigdirs ${libgcj}"
940 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
942 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
943 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
946 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
949 noconfigdirs="$noconfigdirs ${libgcj}"
953 # If we aren't building newlib, then don't build libgloss, since libgloss
954 # depends upon some newlib header files.
955 case "${noconfigdirs}" in
956 *target-libgloss*) ;;
957 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
960 # Work in distributions that contain no compiler tools, like Autoconf.
962 host_makefile_frag=/dev/null
963 if test -d ${srcdir}/config ; then
966 # Avoid "too much defining" errors from HPUX compiler.
967 tentative_cc="cc -Wp,-H256000"
968 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
969 # If it's HP/UX ar, this should be harmless.
973 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
976 #None of the Apollo compilers can compile gas or binutils. The preprocessor
977 # chokes on bfd, the compiler won't let you assign integers to enums, and
978 # other problems. Defining CC to gcc is a questionable way to say "don't use
979 # the apollo compiler" (the preferred version of GCC could be called cc,
980 # or whatever), but I'm not sure leaving CC as cc is any better...
981 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
982 # Used to have BISON=yacc.
986 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
989 # Under CX/UX, we want to tell the compiler to use ANSI mode.
990 tentative_cc="cc -Xa"
991 host_makefile_frag="config/mh-cxux"
996 tentative_cc="cc -Wf,-XNg1000"
997 host_makefile_frag="config/mh-decstation"
1000 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1001 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1002 host_makefile_frag="config/mh-necv4"
1005 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1006 # environment. Also bump switch table size so that cp-parse will
1007 # compile. Bump string length limit so linker builds.
1008 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1011 host_makefile_frag="config/mh-sysv4"
1014 # This is for a MIPS running RISC/os 4.52C.
1016 # This is needed for GDB, but needs to be in the top-level make because
1017 # if a library is compiled with the bsd headers and gets linked with the
1018 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1019 # a different size).
1020 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1021 # known except to select the sysv environment. Could we use /proc instead?
1022 # These "sysv environments" and "bsd environments" often end up being a pain.
1024 # This is not part of CFLAGS because perhaps not all C compilers have this
1026 tentative_cc="cc -systype sysv"
1031 i[[3456789]]86-*-sysv5*)
1032 host_makefile_frag="config/mh-sysv5"
1034 i[[3456789]]86-*-dgux*)
1035 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1036 host_makefile_frag="config/mh-dgux386"
1038 i[[3456789]]86-ncr-sysv4.3*)
1039 # The MetaWare compiler will generate a copyright message unless you
1040 # turn it off by adding the -Hnocopyr flag.
1041 tentative_cc="cc -Hnocopyr"
1043 i[[3456789]]86-ncr-sysv4*)
1044 # for an NCR 3000 (i486/SVR4) system.
1045 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1046 # This compiler not only emits obnoxious copyright messages every time
1047 # you run it, but it chokes and dies on a whole bunch of GNU source
1048 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1049 tentative_cc="/usr/ccs/ATT/cc"
1050 host_makefile_frag="config/mh-ncr3000"
1052 i[[3456789]]86-*-sco3.2v5*)
1054 i[[3456789]]86-*-sco*)
1055 # The native C compiler botches some simple uses of const. Unfortunately,
1056 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1057 tentative_cc="cc -Dconst="
1058 host_makefile_frag="config/mh-sco"
1060 i[[3456789]]86-*-udk*)
1061 host_makefile_frag="config/mh-sysv5"
1063 i[[3456789]]86-*-solaris2*)
1064 host_makefile_frag="config/mh-sysv4"
1066 i[[3456789]]86-*-msdosdjgpp*)
1067 host_makefile_frag="config/mh-djgpp"
1070 ACX_CHECK_CYGWIN_CAT_WORKS
1071 host_makefile_frag="config/mh-cygwin"
1074 host_makefile_frag="config/mh-mingw"
1077 host_makefile_frag="config/mh-interix"
1080 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1084 host_makefile_frag="config/mh-solaris"
1087 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1088 # without overflowing the jump tables (-J says to use a 32 bit table)
1089 tentative_cc="cc -J"
1092 tentative_cc="cc -Wp,-H256000"
1093 host_makefile_frag="config/mh-pa-hpux10"
1095 hppa*-hp-hpux* | hppa*-*-hiux*)
1096 tentative_cc="cc -Wp,-H256000"
1097 host_makefile_frag="config/mh-pa"
1100 host_makefile_frag="config/mh-pa"
1102 *-hp-hpux* | *-*-hiux*)
1103 tentative_cc="cc -Wp,-H256000"
1106 # /bin/cc is less than useful for our purposes. Always use GCC
1107 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1108 host_makefile_frag="config/mh-lynxrs6k"
1111 host_makefile_frag="config/mh-ppc-darwin"
1114 host_makefile_frag="config/mh-ppc-aix"
1117 host_makefile_frag="config/mh-ppc-aix"
1120 # /bin/cc is less than useful for our purposes. Always use GCC
1121 tentative_cc="/bin/gcc"
1124 host_makefile_frag="config/mh-sysv4"
1126 # This is placed last to prevent interfering with the cases above.
1128 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1129 host_makefile_frag="config/mh-x86omitfp"
1134 # If we aren't going to be using gcc, see if we can extract a definition
1135 # of CC from the fragment.
1136 # Actually, use the 'pre-extracted' version above.
1137 if test -z "${CC}" && test "${build}" = "${host}" ; then
1138 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1140 for dir in $PATH; do
1141 test -z "$dir" && dir=.
1142 if test -f $dir/gcc; then
1148 if test -z "${found}" && test -n "${tentative_cc}" ; then
1153 if test "${build}" != "${host}" ; then
1154 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1155 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1156 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1157 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1158 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1159 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1160 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1161 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1162 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1163 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1164 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1165 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1167 AR_FOR_BUILD="\$(AR)"
1168 AS_FOR_BUILD="\$(AS)"
1169 CC_FOR_BUILD="\$(CC)"
1170 CXX_FOR_BUILD="\$(CXX)"
1171 GCJ_FOR_BUILD="\$(GCJ)"
1172 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1173 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1174 LD_FOR_BUILD="\$(LD)"
1175 NM_FOR_BUILD="\$(NM)"
1176 RANLIB_FOR_BUILD="\$(RANLIB)"
1177 WINDRES_FOR_BUILD="\$(WINDRES)"
1178 WINDMC_FOR_BUILD="\$(WINDMC)"
1184 # We must set the default linker to the linker used by gcc for the correct
1185 # operation of libtool. If LD is not defined and we are using gcc, try to
1186 # set the LD default to the ld used by gcc.
1187 if test -z "$LD"; then
1188 if test "$GCC" = yes; then
1191 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1193 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1195 case $gcc_prog_ld in
1196 # Accept absolute paths.
1197 [[\\/]* | [A-Za-z]:[\\/]*)]
1198 LD="$gcc_prog_ld" ;;
1204 ACX_PROG_CMP_IGNORE_INITIAL
1206 # See if we are building gcc with C++.
1207 AC_ARG_ENABLE(build-with-cxx,
1208 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1209 ENABLE_BUILD_WITH_CXX=$enableval,
1210 ENABLE_BUILD_WITH_CXX=no)
1212 # Check for GMP, MPFR and MPC
1213 gmplibs="-lmpfr -lgmp"
1220 # Specify a location for mpc
1221 # check for this first so it ends up on the link line before mpfr.
1222 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1223 Equivalent to --with-mpc-include=PATH/include
1224 plus --with-mpc-lib=PATH/lib])
1225 AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1226 specify directory for installed MPC include files])
1227 AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1229 if test "x$with_mpc" != x; then
1230 mpclibs="-L$with_mpc/lib -lmpc"
1231 mpcinc="-I$with_mpc/include $mpcinc"
1233 if test "x$with_mpc_include" != x; then
1234 mpcinc="-I$with_mpc_include $mpcinc"
1236 if test "x$with_mpc_lib" != x; then
1237 mpclibs="-L$with_mpc_lib -lmpc"
1239 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1240 mpclibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs -lmpc'
1241 mpcinc='-I$$s/mpc/src '"$mpcinc"
1242 # Do not test the mpc version. Assume that it is sufficient, since
1243 # it is in the source tree, and the library has not been built yet
1244 # but it would be included on the link line in the version check below
1245 # hence making the test fail.
1249 # Specify a location for mpfr
1250 # check for this first so it ends up on the link line before gmp.
1251 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1252 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1253 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1255 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1256 Equivalent to --with-mpfr-include=PATH/include
1257 plus --with-mpfr-lib=PATH/lib])
1258 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1259 specify directory for installed MPFR include files])
1260 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1262 if test "x$with_mpfr" != x; then
1263 gmplibs="-L$with_mpfr/lib $gmplibs"
1264 gmpinc="-I$with_mpfr/include"
1266 if test "x$with_mpfr_include" != x; then
1267 gmpinc="-I$with_mpfr_include"
1269 if test "x$with_mpfr_lib" != x; then
1270 gmplibs="-L$with_mpfr_lib $gmplibs"
1272 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1273 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1274 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1275 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr'
1276 # Do not test the mpfr version. Assume that it is sufficient, since
1277 # it is in the source tree, and the library has not been built yet
1278 # but it would be included on the link line in the version check below
1279 # hence making the test fail.
1283 # Specify a location for gmp
1284 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1285 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1286 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1288 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1289 Equivalent to --with-gmp-include=PATH/include
1290 plus --with-gmp-lib=PATH/lib])
1291 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1292 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1295 if test "x$with_gmp" != x; then
1296 gmplibs="-L$with_gmp/lib $gmplibs"
1297 gmpinc="-I$with_gmp/include $gmpinc"
1299 if test "x$with_gmp_include" != x; then
1300 gmpinc="-I$with_gmp_include $gmpinc"
1302 if test "x$with_gmp_lib" != x; then
1303 gmplibs="-L$with_gmp_lib $gmplibs"
1305 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1306 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1307 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1308 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1309 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp'
1310 # Do not test the gmp version. Assume that it is sufficient, since
1311 # it is in the source tree, and the library has not been built yet
1312 # but it would be included on the link line in the version check below
1313 # hence making the test fail.
1317 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1319 saved_CFLAGS="$CFLAGS"
1320 CFLAGS="$CFLAGS $gmpinc"
1321 # Check GMP actually works
1322 AC_MSG_CHECKING([for correct version of gmp.h])
1323 AC_TRY_COMPILE([#include "gmp.h"],[
1324 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
1327 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1329 # If we have GMP, check the MPFR version.
1330 if test x"$have_gmp" = xyes; then
1331 dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
1332 AC_MSG_CHECKING([for correct version of mpfr.h])
1333 AC_TRY_COMPILE([#include <gmp.h>
1334 #include <mpfr.h>],[
1335 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1338 ], AC_TRY_COMPILE([#include <gmp.h>
1339 #include <mpfr.h>],[
1340 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
1343 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1344 [AC_MSG_RESULT([no]); have_gmp=no])
1347 # Check for the MPC header version.
1348 if test x"$have_mpc" != xyes ; then
1349 CFLAGS="$CFLAGS $mpcinc"
1350 AC_MSG_CHECKING([for the correct version of mpc.h])
1351 AC_TRY_COMPILE([#include <mpc.h>],[
1352 #if MPC_VERSION < MPC_VERSION_NUM (0,6,0)
1355 ], [AC_MSG_RESULT([yes]); have_mpc=maybe],
1356 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1359 # Now check the MPFR library.
1360 if test x"$have_gmp" = xyes; then
1362 LIBS="$LIBS $gmplibs"
1363 AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
1364 AC_TRY_LINK([#include <gmp.h>
1365 #include <mpfr.h>],[
1371 mpfr_atan2 (n, n, x, GMP_RNDN);
1372 mpfr_erfc (n, x, GMP_RNDN);
1373 mpfr_subnormalize (x, t, GMP_RNDN);
1374 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1378 if test x"$have_mpc" = xmaybe; then
1380 LIBS="$LIBS $mpclibs $gmplibs"
1381 AC_MSG_CHECKING([for the correct version of the mpc library])
1382 AC_TRY_LINK([#include <mpc.h>],[
1385 mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
1386 mpc_sin (n, n, MPC_RNDNN);
1387 mpc_cos (n, n, MPC_RNDNN);
1388 mpc_tan (n, n, MPC_RNDNN);
1389 mpc_sinh (n, n, MPC_RNDNN);
1390 mpc_cosh (n, n, MPC_RNDNN);
1391 mpc_tanh (n, n, MPC_RNDNN);
1392 mpc_exp (n, n, MPC_RNDNN);
1393 mpc_log (n, n, MPC_RNDNN);
1394 mpc_sqrt (n, n, MPC_RNDNN);
1395 mpc_proj (n, n, MPC_RNDNN);
1396 mpc_neg (n, n, MPC_RNDNN);
1397 mpc_sqr (n, n, MPC_RNDNN);
1399 ], [AC_MSG_RESULT([yes]); have_mpc=yes],
1400 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1404 CFLAGS="$saved_CFLAGS"
1406 if test x$have_gmp != xyes; then
1407 AC_MSG_ERROR([Building GCC requires GMP 4.2+ and MPFR 2.3.2+.
1408 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1409 Copies of these libraries' source code can be found at their respective
1410 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1411 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1412 If you obtained GMP and/or MPFR from a vendor distribution package, make
1413 sure that you have installed both the libraries and the header files.
1414 They may be located in separate packages.])
1418 if test x$have_mpc != xyes ; then
1423 gmpinc="$mpcinc $gmpinc"
1424 gmplibs="$mpclibs $gmplibs"
1426 # Flags needed for both GMP, MPFR and/or MPC.
1429 AC_SUBST(extra_mpfr_configure_flags)
1430 AC_SUBST(extra_mpc_gmp_configure_flags)
1431 AC_SUBST(extra_mpc_mpfr_configure_flags)
1433 # Allow host libstdc++ to be specified for static linking with PPL.
1434 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1435 when linking with PPL])
1437 case $with_host_libstdcxx in
1439 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1443 # Linker flags to use for stage1 or when not boostrapping.
1444 AC_ARG_WITH(stage1-ldflags,
1445 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1446 [if test "$withval" = "no" -o "$withval" = "yes"; then
1449 stage1_ldflags=$withval
1452 AC_SUBST(stage1_ldflags)
1454 # Libraries to use for stage1 or when not bootstrapping.
1455 AC_ARG_WITH(stage1-libs,
1456 [ -with-stage1-libs=LIBS Libraries for stage1],
1457 [if test "$withval" = "no" -o "$withval" = "yes"; then
1460 stage1_libs=$withval
1462 [stage1_libs=$with_host_libstdcxx])
1463 AC_SUBST(stage1_libs)
1465 # Linker flags to use for stage2 and later builds.
1466 AC_ARG_WITH(boot-ldflags,
1467 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1468 [if test "$withval" = "no" -o "$withval" = "yes"; then
1471 poststage1_ldflags=$withval
1473 [if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1474 poststage1_ldflags=-static-libstdc++
1478 AC_SUBST(poststage1_ldflags)
1480 # Libraries to use for stage2 and later builds. This defaults to the
1481 # argument passed to --with-host-libstdcxx.
1482 AC_ARG_WITH(boot-libs,
1483 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1484 [if test "$withval" = "no" -o "$withval" = "yes"; then
1487 poststage1_libs=$withval
1489 [poststage1_libs=$with_host_libstdcxx])
1490 AC_SUBST(poststage1_libs)
1494 ppl_minor_version=10
1495 ppllibs=" -lppl_c -lppl -lgmpxx"
1498 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1499 Equivalent to --with-ppl-include=PATH/include
1500 plus --with-ppl-lib=PATH/lib],, with_ppl=no)
1501 AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1502 AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1509 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1510 pplinc="-I$with_ppl/include $pplinc"
1511 LIBS="$ppllibs $LIBS"
1514 if test "x$with_ppl_include" != x; then
1515 pplinc="-I$with_ppl_include $pplinc"
1517 if test "x$with_ppl_lib" != x; then
1518 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1519 LIBS="$ppllibs $LIBS"
1521 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1522 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/.libs -L$$r/$(HOST_SUBDIR)/ppl/_libs -lppl_c -lppl -lgmpxx '
1523 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/include -I$$s/ppl/include '
1524 LIBS="$ppllibs $LIBS"
1527 AC_ARG_ENABLE(ppl-version-check,
1528 [ --disable-ppl-version-check disable check for PPL version],
1529 ENABLE_PPL_CHECK=$enableval,
1530 ENABLE_PPL_CHECK=yes)
1532 if test "${ENABLE_PPL_CHECK}" = "yes"; then
1533 saved_CFLAGS="$CFLAGS"
1534 CFLAGS="$CFLAGS $pplinc $gmpinc"
1535 AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
1536 AC_TRY_COMPILE([#include "ppl_c.h"],[
1537 #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
1540 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ])
1541 CFLAGS="$saved_CFLAGS"
1544 # Flags needed for PPL
1550 clooglibs=" -lcloog "
1551 clooginc=" -DCLOOG_PPL_BACKEND "
1553 AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
1554 Equivalent to --with-cloog-include=PATH/include
1555 plus --with-cloog-lib=PATH/lib],, with_cloog=no)
1556 AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
1557 AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
1565 clooglibs="-L$with_cloog/lib -lcloog"
1566 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1567 LIBS="$clooglibs $LIBS"
1570 if test "x$with_cloog_include" != x; then
1571 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1573 if test "x$with_cloog_lib" != x; then
1574 clooglibs="-L$with_cloog_lib -lcloog"
1575 LIBS="$clooglibs $LIBS"
1577 if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1578 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
1579 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1580 LIBS="$clooglibs $LIBS"
1583 AC_ARG_ENABLE(cloog-version-check,
1584 [ --disable-cloog-version-check disable check for CLooG version],
1585 ENABLE_CLOOG_CHECK=$enableval,
1586 ENABLE_CLOOG_CHECK=yes)
1588 if test "${ENABLE_CLOOG_CHECK}" = "yes"; then
1589 saved_CFLAGS="$CFLAGS"
1590 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1591 AC_MSG_CHECKING([for correct version of CLooG])
1592 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1593 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
1596 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1597 CFLAGS="$saved_CFLAGS"
1600 # Flags needed for CLOOG
1605 # By default, C is the only stage 1 language.
1606 stage1_languages=,c,
1608 # Target libraries that we bootstrap.
1609 bootstrap_target_libs=,target-libgcc,
1611 # Figure out what language subdirectories are present.
1612 # Look if the user specified --enable-languages="..."; if not, use
1613 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1615 # NB: embedded tabs in this IF block -- do not untabify
1616 if test -d ${srcdir}/gcc; then
1617 if test x"${enable_languages+set}" != xset; then
1618 if test x"${LANGUAGES+set}" = xset; then
1619 enable_languages="${LANGUAGES}"
1620 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1622 enable_languages=all
1625 if test x"${enable_languages}" = x ||
1626 test x"${enable_languages}" = xyes;
1628 echo configure.in: --enable-languages needs at least one language argument 1>&2
1632 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1634 # 'f95' is the old name for the 'fortran' language. We issue a warning
1635 # and make the substitution.
1636 case ,${enable_languages}, in
1638 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1639 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1643 # First scan to see if an enabled language requires some other language.
1644 # We assume that a given config-lang.in will list all the language
1645 # front ends it requires, even if some are required indirectly.
1646 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1647 case ${lang_frag} in
1649 # The odd quoting in the next line works around
1650 # an apparent bug in bash 1.12 on linux.
1651 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1653 # From the config-lang.in, get $language, $lang_requires
1657 for other in ${lang_requires} ; do
1658 case ,${enable_languages}, in
1662 echo " \`$other' language required by \`$language'; enabling" 1>&2
1663 enable_languages="${enable_languages},${other}"
1671 new_enable_languages=,c,
1672 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1673 potential_languages=,c,
1675 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1676 case ${lang_frag} in
1678 # The odd quoting in the next line works around
1679 # an apparent bug in bash 1.12 on linux.
1680 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1682 # From the config-lang.in, get $language, $target_libs,
1683 # $lang_dirs, $boot_language, and $build_by_default
1689 build_by_default=yes
1691 if test x${language} = x; then
1692 echo "${lang_frag} doesn't set \$language." 1>&2
1696 if test "$language" = "c++" -a "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1700 case ,${enable_languages}, in
1702 # Language was explicitly selected; include it.
1706 # 'all' was selected, select it if it is a default language
1707 add_this_lang=${build_by_default}
1714 # Disable languages that need other directories if these aren't available.
1715 for i in $subdir_requires; do
1716 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1717 case ,${enable_languages}, in
1719 # Specifically requested language; tell them.
1720 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1724 add_this_lang=unsupported
1729 # Disable Ada if no preexisting GNAT is available.
1730 case ,${enable_languages},:${language}:${have_gnat} in
1731 *,${language},*:ada:no)
1732 # Specifically requested language; tell them.
1733 AC_MSG_ERROR([GNAT is required to build $language])
1737 add_this_lang=unsupported
1741 # Disable a language that is unsupported by the target.
1742 case " $unsupported_languages " in
1744 add_this_lang=unsupported
1748 case $add_this_lang in
1750 # Remove language-dependent dirs.
1751 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1754 # Remove language-dependent dirs; still show language as supported.
1755 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1756 potential_languages="${potential_languages}${language},"
1759 new_enable_languages="${new_enable_languages}${language},"
1760 potential_languages="${potential_languages}${language},"
1761 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1762 case ${boot_language} in
1764 # Add to (comma-separated) list of stage 1 languages.
1765 stage1_languages="${stage1_languages}${language},"
1766 # We need to bootstrap any supporting libraries.
1767 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1776 AC_ARG_ENABLE(stage1-languages,
1777 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1778 stage1. Mostly useful for compiler development.],
1779 [case ,${enable_stage1_languages}, in
1781 # Set it to something that will have no effect in the loop below
1782 enable_stage1_languages=c ;;
1784 enable_stage1_languages=`echo $new_enable_languages | \
1785 sed -e "s/^,//" -e "s/,$//" ` ;;
1787 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1788 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1791 # Add "good" languages from enable_stage1_languages to stage1_languages,
1792 # while "bad" languages go in missing_languages. Leave no duplicates.
1793 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1794 case $potential_languages in
1796 case $stage1_languages in
1798 *) stage1_languages="$stage1_languages$i," ;;
1801 case $missing_languages in
1803 *) missing_languages="$missing_languages$i," ;;
1808 # Remove leading/trailing commas that were added for simplicity
1809 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1810 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1811 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1812 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1814 if test "x$missing_languages" != x; then
1816 The following requested languages could not be built: ${missing_languages}
1817 Supported languages are: ${potential_languages}])
1819 if test "x$new_enable_languages" != "x$enable_languages"; then
1820 echo The following languages will be built: ${new_enable_languages}
1821 enable_languages="$new_enable_languages"
1824 AC_SUBST(stage1_languages)
1825 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1828 # Handle --disable-<component> generically.
1829 for dir in $configdirs $build_configdirs $target_configdirs ; do
1830 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1831 varname=`echo $dirname | sed -e s/+/_/g`
1832 if eval test x\${enable_${varname}} "=" xno ; then
1833 noconfigdirs="$noconfigdirs $dir"
1837 # Check for Boehm's garbage collector
1838 AC_ARG_ENABLE(objc-gc,
1839 [ --enable-objc-gc enable use of Boehm's garbage collector with the
1840 GNU Objective-C runtime],
1841 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1842 *,objc,*:*:yes:*target-boehm-gc*)
1843 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1847 # Make sure we only build Boehm's garbage collector if required.
1848 case ,${enable_languages},:${enable_objc_gc} in
1850 # Keep target-boehm-gc if requested for Objective-C.
1853 # Otherwise remove target-boehm-gc depending on target-libjava.
1854 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1855 noconfigdirs="$noconfigdirs target-boehm-gc"
1860 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1861 # $build_configdirs and $target_configdirs.
1862 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1865 for dir in . $skipdirs $noconfigdirs ; do
1866 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1867 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1868 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1869 if test -r $srcdir/$dirname/configure ; then
1870 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1873 notsupp="$notsupp $dir"
1877 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1878 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1879 if test -r $srcdir/$dirname/configure ; then
1880 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1883 notsupp="$notsupp $dir"
1887 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1888 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1889 if test -r $srcdir/$dirname/configure ; then
1890 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1893 notsupp="$notsupp $dir"
1899 # Sometimes the tools are distributed with libiberty but with no other
1900 # libraries. In that case, we don't want to build target-libiberty.
1901 # Don't let libgcc imply libiberty either.
1902 if test -n "${target_configdirs}" ; then
1905 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1906 if test "$i" = "libgcc"; then
1907 libgcc=target-libgcc
1908 elif test "$i" != "libiberty" ; then
1909 if test -r $srcdir/$i/configure ; then
1915 if test -z "${others}" ; then
1916 target_configdirs=$libgcc
1920 # Quietly strip out all directories which aren't configurable in this tree.
1921 # This relies on all configurable subdirectories being autoconfiscated, which
1923 build_configdirs_all="$build_configdirs"
1925 for i in ${build_configdirs_all} ; do
1926 j=`echo $i | sed -e s/build-//g`
1927 if test -f ${srcdir}/$j/configure ; then
1928 build_configdirs="${build_configdirs} $i"
1932 configdirs_all="$configdirs"
1934 for i in ${configdirs_all} ; do
1935 if test -f ${srcdir}/$i/configure ; then
1936 configdirs="${configdirs} $i"
1940 target_configdirs_all="$target_configdirs"
1942 for i in ${target_configdirs_all} ; do
1943 j=`echo $i | sed -e s/target-//g`
1944 if test -f ${srcdir}/$j/configure ; then
1945 target_configdirs="${target_configdirs} $i"
1949 # Produce a warning message for the subdirs we can't configure.
1950 # This isn't especially interesting in the Cygnus tree, but in the individual
1951 # FSF releases, it's important to let people know when their machine isn't
1952 # supported by the one or two programs in a package.
1954 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1955 # If $appdirs is non-empty, at least one of those directories must still
1956 # be configured, or we error out. (E.g., if the gas release supports a
1957 # specified target in some subdirs but not the gas subdir, we shouldn't
1958 # pretend that all is well.)
1959 if test -n "$appdirs" ; then
1960 for dir in $appdirs ; do
1961 if test -r $dir/Makefile.in ; then
1962 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1966 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1972 if test -n "$appdirs" ; then
1973 echo "*** This configuration is not supported by this package." 1>&2
1977 # Okay, some application will build, or we don't care to check. Still
1978 # notify of subdirs not getting built.
1979 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1980 echo " ${notsupp}" 1>&2
1981 echo " (Any other directories should still work fine.)" 1>&2
1989 # To find our prefix, in gcc_cv_tool_prefix.
1994 AC_ARG_WITH([build-sysroot],
1995 [ --with-build-sysroot=SYSROOT
1996 use sysroot as the system root during the build],
1997 [if test x"$withval" != x ; then
1998 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2000 [SYSROOT_CFLAGS_FOR_TARGET=])
2001 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2003 AC_ARG_WITH([debug-prefix-map],
2004 [ --with-debug-prefix-map='A=B C=D ...'
2005 map A to B, C to D ... in debug information],
2006 [if test x"$withval" != x; then
2007 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2008 for debug_map in $withval; do
2009 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2012 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2013 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2015 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2016 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2017 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2018 # We want to ensure that TARGET libraries (which we know are built with
2019 # gcc) are built with "-O2 -g", so include those options when setting
2020 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2021 if test "x$CFLAGS_FOR_TARGET" = x; then
2022 CFLAGS_FOR_TARGET=$CFLAGS
2025 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2028 *" -g "* | *" -g3 "*) ;;
2029 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2032 AC_SUBST(CFLAGS_FOR_TARGET)
2034 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2035 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2036 case " $CXXFLAGS " in
2038 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2040 case " $CXXFLAGS " in
2041 *" -g "* | *" -g3 "*) ;;
2042 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2045 AC_SUBST(CXXFLAGS_FOR_TARGET)
2047 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2048 # the named directory are copied to $(tooldir)/sys-include.
2049 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2050 if test x${is_cross_compiler} = xno ; then
2051 echo 1>&2 '***' --with-headers is only supported when cross compiling
2054 if test x"${with_headers}" != xyes ; then
2055 x=${gcc_cv_tool_prefix}
2056 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2060 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2061 # the name directories are copied to $(tooldir)/lib. Multiple directories
2063 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2064 if test x${is_cross_compiler} = xno ; then
2065 echo 1>&2 '***' --with-libs is only supported when cross compiling
2068 if test x"${with_libs}" != xyes ; then
2069 # Copy the libraries in reverse order, so that files in the first named
2070 # library override files in subsequent libraries.
2071 x=${gcc_cv_tool_prefix}
2072 for l in ${with_libs}; do
2073 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2078 # Set with_gnu_as and with_gnu_ld as appropriate.
2080 # This is done by determining whether or not the appropriate directory
2081 # is available, and by checking whether or not specific configurations
2082 # have requested that this magic not happen.
2084 # The command line options always override the explicit settings in
2085 # configure.in, and the settings in configure.in override this magic.
2087 # If the default for a toolchain is to use GNU as and ld, and you don't
2088 # want to do that, then you should use the --without-gnu-as and
2089 # --without-gnu-ld options for the configure script.
2091 if test x${use_gnu_as} = x &&
2092 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2094 extra_host_args="$extra_host_args --with-gnu-as"
2097 if test x${use_gnu_ld} = x &&
2098 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2100 extra_host_args="$extra_host_args --with-gnu-ld"
2103 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2104 # can detect this case.
2106 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2108 extra_host_args="$extra_host_args --with-newlib"
2111 # Handle ${copy_dirs}
2112 set fnord ${copy_dirs}
2114 while test $# != 0 ; do
2115 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2118 echo Copying $1 to $2
2120 # Use the install script to create the directory and all required
2121 # parent directories.
2122 if test -d $2 ; then
2126 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2129 # Copy the directory, assuming we have tar.
2130 # FIXME: Should we use B in the second tar? Not all systems support it.
2131 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2133 # It is the responsibility of the user to correctly adjust all
2134 # symlinks. If somebody can figure out how to handle them correctly
2135 # here, feel free to add the code.
2142 # Determine a target-dependent exec_prefix that the installed
2143 # gcc will search in. Keep this list sorted by triplet, with
2144 # the *-*-osname triplets last.
2148 md_exec_prefix=/gnu/lib/gcc-lib
2150 i[[34567]]86-pc-msdosdjgpp*)
2151 md_exec_prefix=/dev/env/DJDIR/bin
2153 i[[34567]]86-*-sco3.2v5*)
2154 if test $with_gnu_as = yes; then
2155 md_exec_prefix=/usr/gnu/bin
2157 md_exec_prefix=/usr/ccs/bin/elf
2162 powerpc-*-chorusos* | \
2163 powerpc*-*-eabi* | \
2164 powerpc*-*-sysv* | \
2165 powerpc*-*-kaos* | \
2167 md_exec_prefix=/usr/ccs/bin
2172 md_exec_prefix=/usr/ccs/bin
2187 md_exec_prefix=/usr/ccs/bin
2191 extra_arflags_for_target=
2192 extra_nmflags_for_target=
2193 extra_ranlibflags_for_target=
2194 target_makefile_frag=/dev/null
2197 target_makefile_frag="config/mt-mep"
2200 target_makefile_frag="config/mt-spu"
2203 target_makefile_frag="config/mt-sde"
2205 mipsisa*-*-elfoabi*)
2206 target_makefile_frag="config/mt-mips-elfoabi"
2208 mips*-*-*linux* | mips*-*-gnu*)
2209 target_makefile_frag="config/mt-mips-gnu"
2212 target_makefile_frag="config/mt-netware"
2214 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2215 target_makefile_frag="config/mt-gnu"
2217 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2218 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2219 # commands to handle both 32-bit and 64-bit objects. These flags are
2220 # harmless if we're using GNU nm or ar.
2221 extra_arflags_for_target=" -X32_64"
2222 extra_nmflags_for_target=" -B -X32_64"
2225 # ranlib from Darwin requires the -c flag to look at common symbols.
2226 extra_ranlibflags_for_target=" -c"
2228 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2229 target_makefile_frag="config/mt-wince"
2233 alphaieee_frag=/dev/null
2236 # This just makes sure to use the -mieee option to build target libs.
2237 # This should probably be set individually by each library.
2238 alphaieee_frag="config/mt-alphaieee"
2242 # If --enable-target-optspace always use -Os instead of -O2 to build
2243 # the target libraries, similarly if it is not specified, use -Os
2244 # on selected platforms.
2245 ospace_frag=/dev/null
2246 case "${enable_target_optspace}:${target}" in
2248 ospace_frag="config/mt-ospace"
2251 ospace_frag="config/mt-d30v"
2253 :m32r-* | :d10v-* | :fr30-*)
2254 ospace_frag="config/mt-ospace"
2259 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2263 # Default to using --with-stabs for certain targets.
2264 if test x${with_stabs} = x ; then
2266 mips*-*-irix[[56]]*)
2268 mips*-*-* | alpha*-*-osf*)
2270 extra_host_args="${extra_host_args} --with-stabs"
2275 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2276 # them automatically.
2279 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2283 # Some systems (e.g., one of the i386-aix systems the gas testers are
2284 # using) don't handle "\$" correctly, so don't use it here.
2285 tooldir='${exec_prefix}'/${target_noncanonical}
2286 build_tooldir=${tooldir}
2288 # Create a .gdbinit file which runs the one in srcdir
2289 # and tells GDB to look there for source files.
2291 if test -r ${srcdir}/.gdbinit ; then
2294 *) cat > ./.gdbinit <<EOF
2298 source ${srcdir}/.gdbinit
2304 # Make sure that the compiler is able to generate an executable. If it
2305 # can't, we are probably in trouble. We don't care whether we can run the
2306 # executable--we might be using a cross compiler--we only care whether it
2307 # can be created. At this point the main configure script has set CC.
2309 echo "int main () { return 0; }" > conftest.c
2310 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2311 if test $? = 0 ; then
2312 if test -s conftest || test -s conftest.exe ; then
2318 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2319 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2326 # The Solaris /usr/ucb/cc compiler does not appear to work.
2328 sparc-sun-solaris2*)
2329 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2330 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2332 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2333 if test -d /opt/cygnus/bin ; then
2334 if test "$could_use" = "" ; then
2335 could_use="/opt/cygnus/bin"
2337 could_use="$could_use or /opt/cygnus/bin"
2340 if test "$could_use" = "" ; then
2341 echo "Warning: compilation may fail because you're using"
2342 echo "/usr/ucb/cc. You should change your PATH or CC "
2343 echo "variable and rerun configure."
2345 echo "Warning: compilation may fail because you're using"
2346 echo "/usr/ucb/cc, when you should use the C compiler from"
2347 echo "$could_use. You should change your"
2348 echo "PATH or CC variable and rerun configure."
2354 # Decide which environment variable is used to find dynamic libraries.
2356 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2357 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2358 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2359 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2362 # On systems where the dynamic library environment variable is PATH,
2363 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2364 # built executables to PATH.
2365 if test "$RPATH_ENVVAR" = PATH; then
2366 GCC_SHLIB_SUBDIR=/shlib
2371 # Record target_configdirs and the configure arguments for target and
2372 # build configuration in Makefile.
2373 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2374 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2376 # Determine whether gdb needs tk/tcl or not.
2377 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2378 # and in that case we want gdb to be built without tk. Ugh!
2379 # In fact I believe gdb is the *only* package directly dependent on tk,
2380 # so we should be able to put the 'maybe's in unconditionally and
2381 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2382 # 100% sure that that's safe though.
2384 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2385 case "$enable_gdbtk" in
2389 GDB_TK="${gdb_tk}" ;;
2391 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2392 # distro. Eventually someone will fix this and move Insight, nee
2393 # gdbtk to a separate directory.
2394 if test -d ${srcdir}/gdb/gdbtk ; then
2401 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2402 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2404 # Strip out unwanted targets.
2406 # While at that, we remove Makefiles if we were started for recursive
2407 # configuration, so that the top-level Makefile reconfigures them,
2408 # like we used to do when configure itself was recursive.
2410 # Loop over modules. $extrasub must be used with care, limiting as
2411 # much as possible the usage of range addresses. That's because autoconf
2412 # splits the sed script to overcome limits in the number of commands,
2413 # and relying on carefully-timed sed passes may turn out to be very hard
2414 # to maintain later. In this particular case, you just have to be careful
2415 # not to nest @if/@endif pairs, because configure will not warn you at all.
2417 AC_ARG_ENABLE([bootstrap],
2418 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2419 enable_bootstrap=default)
2421 # Issue errors and warnings for invalid/strange bootstrap combinations.
2422 case "$configdirs" in
2423 *gcc*) have_compiler=yes ;;
2424 *) have_compiler=no ;;
2427 case "$have_compiler:$host:$target:$enable_bootstrap" in
2430 # Default behavior. Enable bootstrap if we have a compiler
2431 # and we are in a native configuration.
2432 yes:$build:$build:default)
2433 enable_bootstrap=yes ;;
2436 enable_bootstrap=no ;;
2438 # We have a compiler and we are in a native configuration, bootstrap is ok
2439 yes:$build:$build:yes)
2442 # Other configurations, but we have a compiler. Assume the user knows
2445 AC_MSG_WARN([trying to bootstrap a cross compiler])
2448 # No compiler: if they passed --enable-bootstrap explicitly, fail
2450 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2452 # Fail if wrong command line
2454 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2458 # Adjust the toplevel makefile according to whether bootstrap was selected.
2459 case "$enable_bootstrap" in
2461 bootstrap_suffix=bootstrap ;;
2463 bootstrap_suffix=no-bootstrap ;;
2466 for module in ${build_configdirs} ; do
2467 if test -z "${no_recursion}" \
2468 && test -f ${build_subdir}/${module}/Makefile; then
2469 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2470 rm -f ${build_subdir}/${module}/Makefile
2473 /^@if build-$module\$/d
2474 /^@endif build-$module\$/d
2475 /^@if build-$module-$bootstrap_suffix\$/d
2476 /^@endif build-$module-$bootstrap_suffix\$/d"
2478 for module in ${configdirs} ; do
2479 if test -z "${no_recursion}"; then
2480 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2481 if test -f ${file}; then
2482 echo 1>&2 "*** removing ${file} to force reconfigure"
2489 /^@endif $module\$/d
2490 /^@if $module-$bootstrap_suffix\$/d
2491 /^@endif $module-$bootstrap_suffix\$/d"
2493 for module in ${target_configdirs} ; do
2494 if test -z "${no_recursion}" \
2495 && test -f ${target_subdir}/${module}/Makefile; then
2496 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2497 rm -f ${target_subdir}/${module}/Makefile
2500 # We only bootstrap target libraries listed in bootstrap_target_libs.
2501 case $bootstrap_target_libs in
2502 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2503 *) target_bootstrap_suffix=no-bootstrap ;;
2507 /^@if target-$module\$/d
2508 /^@endif target-$module\$/d
2509 /^@if target-$module-$target_bootstrap_suffix\$/d
2510 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2514 /^@if /,/^@endif /d"
2516 # Create the serialization dependencies. This uses a temporary file.
2518 AC_ARG_ENABLE([serial-configure],
2519 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2520 force sequential configuration of
2521 sub-packages for the host, target or build
2522 machine, or all sub-packages])
2524 case ${enable_serial_configure} in
2526 enable_serial_build_configure=yes
2527 enable_serial_host_configure=yes
2528 enable_serial_target_configure=yes
2532 # These force 'configure's to be done one at a time, to avoid problems
2533 # with contention over a shared config.cache.
2535 echo '# serdep.tmp' > serdep.tmp
2537 test "x${enable_serial_build_configure}" = xyes &&
2538 for item in ${build_configdirs} ; do
2541 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2546 test "x${enable_serial_host_configure}" = xyes &&
2547 for item in ${configdirs} ; do
2550 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2555 test "x${enable_serial_target_configure}" = xyes &&
2556 for item in ${target_configdirs} ; do
2559 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2563 serialization_dependencies=serdep.tmp
2564 AC_SUBST_FILE(serialization_dependencies)
2566 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2567 # target, nonopt, and variable assignments. These are the ones we
2568 # might not want to pass down to subconfigures. Also strip
2569 # program-prefix, program-suffix, and program-transform-name, so that
2570 # we can pass down a consistent program-transform-name.
2574 eval "set -- $ac_configure_args"
2577 if test X"$skip_next" = X"yes"; then
2581 if test X"$keep_next" = X"yes"; then
2584 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2586 baseargs="$baseargs '$ac_arg'"
2591 # Handle separated arguments. Based on the logic generated by
2594 *=* | --config-cache | -C | -disable-* | --disable-* \
2595 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2596 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2597 | -with-* | --with-* | -without-* | --without-* | --x)
2623 -program-prefix* | \
2624 -program-suffix* | \
2625 -program-transform-name* )
2626 skip_next=$separate_arg
2630 # An option. Add it.
2633 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2635 baseargs="$baseargs '$ac_arg'"
2636 keep_next=$separate_arg
2639 # Either a variable assignment, or a nonopt (triplet). Don't
2640 # pass it down; let the Makefile handle this.
2645 # Remove the initial space we just introduced and, as these will be
2646 # expanded by make, quote '$'.
2647 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2649 # Add in --program-transform-name, after --program-prefix and
2650 # --program-suffix have been applied to it. Autoconf has already
2651 # doubled dollar signs and backslashes in program_transform_name; we want
2652 # the backslashes un-doubled, and then the entire thing wrapped in single
2653 # quotes, because this will be expanded first by make and then by the shell.
2654 # Also, because we want to override the logic in subdir configure scripts to
2655 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2656 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2657 ${program_transform_name}
2659 gcc_transform_name=`cat conftestsed.out`
2660 rm -f conftestsed.out
2661 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2662 if test "$silent" = yes; then
2663 baseargs="$baseargs --silent"
2666 # For the build-side libraries, we just need to pretend we're native,
2667 # and not use the same cache file. Multilibs are neither needed nor
2669 build_configargs="--cache-file=../config.cache ${baseargs}"
2671 # For host modules, accept cache file option, or specification as blank.
2672 case "${cache_file}" in
2674 cache_file_option="" ;;
2675 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2676 cache_file_option="--cache-file=${cache_file}" ;;
2678 cache_file_option="--cache-file=../${cache_file}" ;;
2681 # Host dirs don't like to share a cache file either, horribly enough.
2682 # This seems to be due to autoconf 2.5x stupidity.
2683 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2685 target_configargs=${baseargs}
2687 # Passing a --with-cross-host argument lets the target libraries know
2688 # whether they are being built with a cross-compiler or being built
2689 # native. However, it would be better to use other mechanisms to make the
2690 # sorts of decisions they want to make on this basis. Please consider
2691 # this option to be deprecated. FIXME.
2692 if test x${is_cross_compiler} = xyes ; then
2693 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2696 # Default to --enable-multilib.
2697 if test x${enable_multilib} = x ; then
2698 target_configargs="--enable-multilib ${target_configargs}"
2701 # Pass --with-newlib if appropriate. Note that target_configdirs has
2702 # changed from the earlier setting of with_newlib.
2703 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2704 target_configargs="--with-newlib ${target_configargs}"
2707 # Different target subdirs use different values of certain variables
2708 # (notably CXX). Worse, multilibs use *lots* of different values.
2709 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2710 # it doesn't automatically accept command-line overrides of them.
2711 # This means it's not safe for target subdirs to share a cache file,
2712 # which is disgusting, but there you have it. Hopefully this can be
2713 # fixed in future. It's still worthwhile to use a cache file for each
2714 # directory. I think.
2716 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2717 # We need to pass --target, as newer autoconf's requires consistency
2718 # for target_alias and gcc doesn't manage it consistently.
2719 target_configargs="--cache-file=./config.cache ${target_configargs}"
2722 case " $target_configdirs " in
2724 case " $target_configargs " in
2725 *" --with-newlib "*)
2728 FLAGS_FOR_TARGET=$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' ;;
2731 # If we're not building GCC, don't discard standard headers.
2732 if test -d ${srcdir}/gcc; then
2733 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2735 if test "${build}" != "${host}"; then
2736 # On Canadian crosses, CC_FOR_TARGET will have already been set
2737 # by `configure', so we won't have an opportunity to add -Bgcc/
2738 # to it. This is right: we don't want to search that directory
2739 # for binaries, but we want the header files in there, so add
2741 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2743 # Someone might think of using the pre-installed headers on
2744 # Canadian crosses, in case the installed compiler is not fully
2745 # compatible with the compiler being built. In this case, it
2746 # would be better to flag an error than risking having
2747 # incompatible object files being constructed. We can't
2748 # guarantee that an error will be flagged, but let's hope the
2749 # compiler will do it, when presented with incompatible header
2754 case "${target}-${is_cross_compiler}" in
2755 i[[3456789]]86-*-linux*-no)
2756 # Here host == target, so we don't need to build gcc,
2757 # so we don't want to discard standard headers.
2758 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2761 # If we're building newlib, use its generic headers last, but search
2762 # for any libc-related directories first (so make it the last -B
2764 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2766 # If we're building libgloss, find the startup file, simulator library
2767 # and linker script.
2768 case " $target_configdirs " in
2770 # Look for startup file, simulator library and maybe linker script.
2771 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2772 # Look for libnosys.a in case the target needs it.
2773 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2774 # Most targets have the linker script in the source directory.
2775 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2786 # Can't be handled as Cygwin above since Mingw does not use newlib.
2787 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
2790 # Allow the user to override the flags for
2791 # our build compiler if desired.
2792 if test x"${build}" = x"${host}" ; then
2793 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2794 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2795 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2798 # On Canadian crosses, we'll be searching the right directories for
2799 # the previously-installed cross compiler, so don't bother to add
2800 # flags for directories within the install tree of the compiler
2801 # being built; programs in there won't even run.
2802 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2803 # Search for pre-installed headers if nothing else fits.
2804 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2807 if test "x${use_gnu_ld}" = x &&
2808 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2809 # Arrange for us to find uninstalled linker scripts.
2810 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2813 # Search for other target-specific linker scripts and such.
2816 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2820 # Makefile fragments.
2821 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2823 eval fragval=\$$frag
2824 if test $fragval != /dev/null; then
2825 eval $frag=${srcdir}/$fragval
2828 AC_SUBST_FILE(host_makefile_frag)
2829 AC_SUBST_FILE(target_makefile_frag)
2830 AC_SUBST_FILE(alphaieee_frag)
2831 AC_SUBST_FILE(ospace_frag)
2833 # Miscellanea: directories, flags, etc.
2834 AC_SUBST(RPATH_ENVVAR)
2835 AC_SUBST(GCC_SHLIB_SUBDIR)
2837 AC_SUBST(build_tooldir)
2838 AC_SUBST(CONFIGURE_GDB_TK)
2840 AC_SUBST(INSTALL_GDB_TK)
2842 # Build module lists & subconfigure args.
2843 AC_SUBST(build_configargs)
2844 AC_SUBST(build_configdirs)
2846 # Host module lists & subconfigure args.
2847 AC_SUBST(host_configargs)
2848 AC_SUBST(configdirs)
2850 # Target module lists & subconfigure args.
2851 AC_SUBST(target_configargs)
2855 AC_SUBST(AR_FOR_BUILD)
2856 AC_SUBST(AS_FOR_BUILD)
2857 AC_SUBST(CC_FOR_BUILD)
2858 AC_SUBST(CFLAGS_FOR_BUILD)
2859 AC_SUBST(CXXFLAGS_FOR_BUILD)
2860 AC_SUBST(CXX_FOR_BUILD)
2861 AC_SUBST(DLLTOOL_FOR_BUILD)
2862 AC_SUBST(GCJ_FOR_BUILD)
2863 AC_SUBST(GFORTRAN_FOR_BUILD)
2864 AC_SUBST(LDFLAGS_FOR_BUILD)
2865 AC_SUBST(LD_FOR_BUILD)
2866 AC_SUBST(NM_FOR_BUILD)
2867 AC_SUBST(RANLIB_FOR_BUILD)
2868 AC_SUBST(WINDMC_FOR_BUILD)
2869 AC_SUBST(WINDRES_FOR_BUILD)
2870 AC_SUBST(config_shell)
2872 # Generate default definitions for YACC, M4, LEX and other programs that run
2873 # on the build machine. These are used if the Makefile can't locate these
2874 # programs in objdir.
2875 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2877 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2878 case " $build_configdirs " in
2879 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2880 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2883 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2884 case " $build_configdirs " in
2885 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2888 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2889 case " $build_configdirs " in
2890 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2893 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2894 case " $build_configdirs " in
2895 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2896 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2899 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2900 case " $build_configdirs " in
2901 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2904 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2905 case " $build_configdirs " in
2906 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2909 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2910 # higher, else we use the "missing" dummy.
2911 if ${MAKEINFO} --version \
2912 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2915 MAKEINFO="$MISSING makeinfo"
2921 # FIXME: expect and dejagnu may become build tools?
2923 AC_CHECK_PROGS(EXPECT, expect, expect)
2924 case " $configdirs " in
2926 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2930 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2931 case " $configdirs " in
2933 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2939 NCN_STRICT_CHECK_TOOLS(AR, ar)
2940 NCN_STRICT_CHECK_TOOLS(AS, as)
2941 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2942 NCN_STRICT_CHECK_TOOLS(LD, ld)
2943 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2944 NCN_STRICT_CHECK_TOOLS(NM, nm)
2945 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2946 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2947 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2948 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
2949 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2950 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2957 AC_ARG_WITH([build-time-tools],
2958 [ --with-build-time-tools=PATH
2959 use given path to find target tools during the build],
2960 [case x"$withval" in
2963 with_build_time_tools=
2964 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2967 [with_build_time_tools=])
2969 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2970 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2971 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2972 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2973 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2975 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2976 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2977 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2978 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2979 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2980 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2981 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2982 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2983 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2984 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2985 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
2987 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2989 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2990 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2991 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2992 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2993 [gcc/g++ -B$$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],
2995 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2996 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2998 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2999 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3000 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3001 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3002 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3003 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3004 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3005 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3006 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3007 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3008 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3009 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3010 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3011 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3013 AC_SUBST(FLAGS_FOR_TARGET)
3014 AC_SUBST(RAW_CXX_FOR_TARGET)
3016 # Certain tools may need extra flags.
3017 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3018 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3019 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3021 # When building target libraries, except in a Canadian cross, we use
3022 # the same toolchain as the compiler we just built.
3023 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3024 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3025 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3026 if test $host = $build; then
3027 case " $configdirs " in
3029 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3030 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3031 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3036 AC_SUBST(COMPILER_AS_FOR_TARGET)
3037 AC_SUBST(COMPILER_LD_FOR_TARGET)
3038 AC_SUBST(COMPILER_NM_FOR_TARGET)
3040 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3041 AC_ARG_ENABLE(maintainer-mode,
3042 [ --enable-maintainer-mode enable make rules and dependencies not useful
3043 (and sometimes confusing) to the casual installer],
3044 USE_MAINTAINER_MODE=$enableval,
3045 USE_MAINTAINER_MODE=no)
3046 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3047 AC_SUBST(MAINTAINER_MODE_TRUE)
3048 AC_SUBST(MAINTAINER_MODE_FALSE)
3049 if test "$USE_MAINTAINER_MODE" = yes; then
3050 MAINTAINER_MODE_TRUE=
3051 MAINTAINER_MODE_FALSE='#'
3053 MAINTAINER_MODE_TRUE='#'
3054 MAINTAINER_MODE_FALSE=
3056 MAINT=$MAINTAINER_MODE_TRUE
3059 # ---------------------
3060 # GCC bootstrap support
3061 # ---------------------
3063 # Stage specific cflags for build.
3068 yes) stage1_cflags="-g -Wa,-J" ;;
3069 *) stage1_cflags="-g -J" ;;
3073 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3074 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3075 saved_CFLAGS="$CFLAGS"
3077 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3078 CFLAGS="$CFLAGS -fkeep-inline-functions"
3079 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3081 #if (__GNUC__ < 3) \
3082 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3083 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3084 #error http://gcc.gnu.org/PR29382
3087 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3088 [AC_MSG_RESULT([no])])
3090 CFLAGS="$saved_CFLAGS"
3093 AC_SUBST(stage1_cflags)
3095 # Enable --enable-checking in stage1 of the compiler.
3096 AC_ARG_ENABLE(stage1-checking,
3097 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3099 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3100 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3101 stage1_checking=--enable-checking=yes,types
3103 stage1_checking=--enable-checking=$enable_checking,types
3105 AC_SUBST(stage1_checking)
3107 # Enable -Werror in bootstrap stage2 and later.
3108 AC_ARG_ENABLE(werror,
3109 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3110 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3115 case ${enable_werror} in
3116 yes) stage2_werror_flag="--enable-werror-always" ;;
3117 *) stage2_werror_flag="" ;;
3119 AC_SUBST(stage2_werror_flag)
3121 # Flags needed to enable html installing and building
3122 AC_ARG_WITH(datarootdir,
3123 [ --with-datarootdir use datarootdir as the data root directory.],
3124 [datarootdir="\${prefix}/${withval}"],
3125 [datarootdir="\${prefix}/share"])
3128 [ --with-docdir install documentation in this directory.],
3129 [docdir="\${prefix}/${withval}"],
3130 [docdir="\${datarootdir}/doc"])
3133 [ --with-pdfdir install pdf in this directory.],
3134 [pdfdir="\${prefix}/${withval}"],
3135 [pdfdir="\${docdir}"])
3137 AC_ARG_WITH(htmldir,
3138 [ --with-htmldir install html in this directory.],
3139 [htmldir="\${prefix}/${withval}"],
3140 [htmldir="\${docdir}"])
3142 AC_SUBST(datarootdir)
3147 # Specify what files to not compare during bootstrap.
3149 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3151 hppa*64*-*-hpux*) ;;
3152 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3154 AC_SUBST(compare_exclusions)