1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
26 AC_INIT(move-if-change)
28 AC_DISABLE_OPTION_CHECKING
31 # if PWD already has a value, it is probably wrong.
32 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
34 # Export original configure arguments for use by sub-configures.
35 # Quote arguments with shell meta charatcers.
36 TOPLEVEL_CONFIGURE_ARGUMENTS=
37 set -- "$progname" "$@"
41 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
42 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
43 # if the argument is of the form -foo=baz, quote the baz part only
44 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
47 # Add the quoted argument to the list.
48 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
50 if test "$silent" = yes; then
51 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
53 # Remove the initial space we just introduced and, as these will be
54 # expanded by make, quote '$'.
55 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
56 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
58 # Find the build, host, and target systems.
59 ACX_NONCANONICAL_BUILD
61 ACX_NONCANONICAL_TARGET
63 dnl Autoconf 2.5x and later will set a default program prefix if
64 dnl --target was used, even if it was the same as --host. Disable
65 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
67 test "$host_noncanonical" = "$target_noncanonical" &&
68 test "$program_prefix$program_suffix$program_transform_name" = \
70 program_transform_name=s,y,y,
75 m4_pattern_allow([^AS_FOR_TARGET$])dnl
76 m4_pattern_allow([^AS_FOR_BUILD$])dnl
78 # Get 'install' or 'install-sh' and its variants.
85 ### we might need to use some other shell than /bin/sh for running subshells
86 ### If we are on Windows, search for the shell. This will permit people
87 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
88 ### without also having to set CONFIG_SHELL. This code will work when
89 ### using bash, which sets OSTYPE.
92 if test x${CONFIG_SHELL} = x ; then
93 if test ! -f /bin/sh ; then
94 if test x${SHELL} != x && test -f ${SHELL} ; then
98 for prog in sh sh.exe bash bash.exe; do
99 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
101 test -z "$dir" && dir=.
102 if test -f $dir/$prog; then
103 CONFIG_SHELL=$dir/$prog
109 test -n "${CONFIG_SHELL}" && break
117 config_shell=${CONFIG_SHELL-/bin/sh}
119 moveifchange=${srcdir}/move-if-change
121 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
123 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
125 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
126 INSTALL="${srcpwd}/install-sh -c"
129 # Set srcdir to "." if that's what it is.
130 # This is important for multilib support.
132 if test "${pwd}" = "${srcpwd}" ; then
140 ### To add a new directory to the tree, first choose whether it is a target
141 ### or a host dependent tool. Then put it into the appropriate list
142 ### (library or tools, host or target), doing a dependency sort.
144 # Subdirs will be configured in the order listed in build_configdirs,
145 # configdirs, or target_configdirs; see the serialization section below.
147 # Dependency sorting is only needed when *configuration* must be done in
148 # a particular order. In all cases a dependency should be specified in
149 # the Makefile, whether or not it's implicitly specified here.
151 # Double entries in build_configdirs, configdirs, or target_configdirs may
152 # cause circular dependencies and break everything horribly.
154 # these library is used by various programs built for the build
157 build_libs="build-libiberty"
159 # these tools are built for the build environment
160 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
162 # these libraries are used by various programs built for the host environment
164 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libiconv"
166 # these tools are built for the host environment
167 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
168 # know that we are building the simulator.
169 # binutils, gas and ld appear in that order because it makes sense to run
170 # "make check" in that particular order.
171 # If --enable-gold is used, "gold" will replace "ld".
172 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"
174 # libgcj represents the runtime libraries only used by gcj.
175 libgcj="target-libffi \
180 # these libraries are built for the target environment, and are built after
181 # the host libraries and the host tools (which may be a cross compiler)
183 target_libraries="target-libgcc \
188 target-libstdc++-v3 \
197 # these tools are built using the target libraries, and are intended to
198 # run only in the target environment
200 # note: any program that *uses* libraries that are in the "target_libraries"
201 # list belongs in this list. those programs are also very likely
202 # candidates for the "native_only" list which follows
204 target_tools="target-examples target-groff target-gperf target-rda"
206 ################################################################################
208 ## All tools belong in one of the four categories, and are assigned above
209 ## We assign ${configdirs} this way to remove all embedded newlines. This
210 ## is important because configure will choke if they ever get through.
211 ## ${configdirs} is directories we build using the host tools.
212 ## ${target_configdirs} is directories we build using the target tools.
213 configdirs=`echo ${host_libs} ${host_tools}`
214 target_configdirs=`echo ${target_libraries} ${target_tools}`
215 build_configdirs=`echo ${build_libs} ${build_tools}`
217 m4_divert_text([PARSE_ARGS],
218 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
221 ################################################################################
223 srcname="gnu development package"
225 # This gets set non-empty for some net releases of packages.
228 # Define is_cross_compiler to save on calls to 'test'.
230 if test x"${host}" = x"${target}" ; then
233 is_cross_compiler=yes
236 # Find the build and target subdir names.
239 # Skipdirs are removed silently.
241 # Noconfigdirs are removed loudly.
245 # Make sure we don't let GNU ld be added if we didn't want it.
246 if test x$with_gnu_ld = xno ; then
248 noconfigdirs="$noconfigdirs ld gold"
252 # Make sure we don't let GNU as be added if we didn't want it.
253 if test x$with_gnu_as = xno ; then
255 noconfigdirs="$noconfigdirs gas"
258 # some tools are so dependent upon X11 that if we're not building with X,
259 # it's not even worth trying to configure, much less build, that tool.
262 yes | "") ;; # the default value for this tree is that X11 is available
264 skipdirs="${skipdirs} tk itcl libgui"
265 # We won't be able to build gdbtk without X.
268 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
271 # Some tools are only suitable for building in a "native" situation.
272 # Remove these if host!=target.
273 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"
275 # Similarly, some are only suitable for cross toolchains.
276 # Remove these if host=target.
277 cross_only="target-libgloss target-newlib target-opcodes"
279 case $is_cross_compiler in
280 no) skipdirs="${skipdirs} ${cross_only}" ;;
281 yes) skipdirs="${skipdirs} ${native_only}" ;;
284 # If both --with-headers and --with-libs are specified, default to
286 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
287 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
288 if test x"${with_newlib}" = x ; then
293 # Recognize --with-newlib/--without-newlib.
294 case ${with_newlib} in
295 no) skipdirs="${skipdirs} target-newlib" ;;
296 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
299 # Handle --enable-gold.
302 [ --enable-gold use gold instead of ld],
303 ENABLE_GOLD=$enableval,
305 if test "${ENABLE_GOLD}" = "yes"; then
306 # Check for ELF target.
309 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
310 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
311 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
313 *-*-linux*aout* | *-*-linux*oldld*)
321 if test "$is_elf" = "yes"; then
322 # Check for target supported by gold.
324 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
325 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
331 # Configure extra directories which are host specific
335 configdirs="$configdirs libtermcap" ;;
338 # A target can indicate whether a language isn't supported for some reason.
339 # Only spaces may be used in this macro; not newlines or tabs.
340 unsupported_languages=
342 # Remove more programs from consideration, based on the host or
343 # target this usually means that a port of the program doesn't
348 noconfigdirs="$noconfigdirs byacc"
350 i[[3456789]]86-*-vsta)
351 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
353 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
354 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
357 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
359 i[[3456789]]86-*-mingw32*)
360 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
361 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
363 i[[3456789]]86-*-beos*)
364 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
367 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
370 noconfigdirs="$noconfigdirs rcs"
373 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
376 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
381 AC_ARG_ENABLE(libada,
382 [ --enable-libada build libada directory],
383 ENABLE_LIBADA=$enableval,
385 if test "${ENABLE_LIBADA}" != "yes" ; then
386 noconfigdirs="$noconfigdirs gnattools"
389 AC_ARG_ENABLE(libssp,
390 [ --enable-libssp build libssp directory],
391 ENABLE_LIBSSP=$enableval,
394 # Save it here so that, even in case of --enable-libgcj, if the Java
395 # front-end isn't enabled, we still get libgcj disabled.
397 case $enable_libgcj in
399 # If we reset it here, it won't get added to noconfigdirs in the
400 # target-specific build rules, so it will be forcibly enabled
401 # (unless the Java language itself isn't enabled).
405 # Make sure we get it printed in the list of not supported target libs.
406 noconfigdirs="$noconfigdirs ${libgcj}"
411 # Disable libmudflap on some systems.
412 if test x$enable_libmudflap = x ; then
414 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
415 # Enable libmudflap by default in GNU and friends.
418 # Enable libmudflap by default in FreeBSD.
421 # Disable it by default everywhere else.
422 noconfigdirs="$noconfigdirs target-libmudflap"
427 # Disable libgomp on non POSIX hosted systems.
428 if test x$enable_libgomp = x ; then
429 # Enable libgomp by default on hosted POSIX systems.
431 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
433 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
435 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
437 *-*-darwin* | *-*-aix*)
440 noconfigdirs="$noconfigdirs target-libgomp"
445 # Default libgloss CPU subdirectory.
446 libgloss_dir="$target_cpu"
450 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
453 noconfigdirs="$noconfigdirs ld gas gdb gprof"
454 noconfigdirs="$noconfigdirs sim target-rda"
456 i[[3456789]]86-*-darwin*)
457 noconfigdirs="$noconfigdirs ld gprof"
458 noconfigdirs="$noconfigdirs sim target-rda"
460 x86_64-*-darwin[[912]]*)
461 noconfigdirs="$noconfigdirs ld gas gprof"
462 noconfigdirs="$noconfigdirs sim target-rda"
465 noconfigdirs="$noconfigdirs ld gas gdb gprof"
466 noconfigdirs="$noconfigdirs sim target-rda"
467 noconfigdirs="$noconfigdirs ${libgcj}"
469 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
470 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
473 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
474 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
475 && test -f /usr/local/include/gmp.h; then
479 # Skip some stuff that's unsupported on some FreeBSD configurations.
484 noconfigdirs="$noconfigdirs ${libgcj}"
489 # Remove unsupported stuff on all kaOS configurations.
490 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
491 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
492 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
493 noconfigdirs="$noconfigdirs target-libgloss"
496 # Skip some stuff on all NetBSD configurations.
497 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
499 # Skip some stuff that's unsupported on some NetBSD configurations.
501 i*86-*-netbsdelf*) ;;
502 arm*-*-netbsdelf*) ;;
504 noconfigdirs="$noconfigdirs ${libgcj}"
509 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
512 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
514 # The tpf target doesn't support gdb yet.
516 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
519 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
522 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
525 # ld works, but does not support shared libraries.
526 # newlib is not 64 bit ready. I'm not sure about fileutils.
527 # gas doesn't generate exception information.
528 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
531 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
534 # newlib is not 64 bit ready
535 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
538 # newlib is not 64 bit ready
539 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
542 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
545 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
547 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
548 noconfigdirs="$noconfigdirs ${libgcj}"
549 noconfigdirs="$noconfigdirs target-examples"
550 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
551 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
552 noconfigdirs="$noconfigdirs expect dejagnu"
553 # the C++ libraries don't build on top of CE's C libraries
554 noconfigdirs="$noconfigdirs target-libstdc++-v3"
555 noconfigdirs="$noconfigdirs target-newlib"
557 *-*-cygwin*) ;; # keep gdb and readline
558 *) noconfigdirs="$noconfigdirs gdb readline"
564 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
568 arm-*-coff | strongarm-*-coff | xscale-*-coff)
569 noconfigdirs="$noconfigdirs ${libgcj}"
572 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
573 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
576 arm*-*-linux-gnueabi)
577 noconfigdirs="$noconfigdirs target-qthreads"
578 case ${with_newlib} in
579 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
584 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
588 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
591 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
594 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
597 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
600 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
603 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
606 noconfigdirs="$noconfigdirs gdb"
607 if test x${is_cross_compiler} != xno ; then
608 target_configdirs="${target_configdirs} target-bsp target-cygmon"
612 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
614 c54x*-*-* | tic54x-*-*)
615 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
618 noconfigdirs="$noconfigdirs ${libgcj} gdb"
620 cris-*-* | crisv32-*-*)
621 unsupported_languages="$unsupported_languages java"
624 unsupported_languages="$unsupported_languages fortran"
625 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
627 noconfigdirs="$noconfigdirs target-boehm-gc";;
629 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
631 unsupported_languages="$unsupported_languages fortran"
632 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
637 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
640 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
643 noconfigdirs="$noconfigdirs ${libgcj} gdb"
645 ep9312-*-elf | ep9312-*-coff)
649 noconfigdirs="$noconfigdirs ${libgcj} gdb"
652 noconfigdirs="$noconfigdirs ${libgcj}"
655 noconfigdirs="$noconfigdirs ${libgcj}"
656 noconfigdirs="$noconfigdirs gprof"
659 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
662 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
664 hppa1.1-*-osf* | hppa1.1-*-bsd* )
666 hppa*64*-*-linux* | parisc*64*-*-linux*)
667 # In this case, it's because the hppa64-linux target is for
668 # the kernel only at this point and has no libc, and thus no
669 # headers, crt*.o, etc., all of which are needed by these.
670 noconfigdirs="$noconfigdirs target-zlib"
672 parisc*-*-linux* | hppa*-*-linux*)
678 noconfigdirs="$noconfigdirs ${libgcj}"
681 noconfigdirs="$noconfigdirs ld shellutils"
687 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
688 # build on HP-UX 10.20.
689 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
692 noconfigdirs="$noconfigdirs ${libgcj} gdb"
695 # No gdb support yet.
696 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
699 # No gdb or ld support yet.
700 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
703 # No gdb or ld support yet.
704 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
708 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
709 noconfigdirs="$noconfigdirs ${libgcj}"
712 i[[3456789]]86-*-linux*)
713 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
714 # not build java stuff by default.
717 noconfigdirs="$noconfigdirs ${libgcj}";;
720 # This section makes it possible to build newlib natively on linux.
721 # If we are using a cross compiler then don't configure newlib.
722 if test x${is_cross_compiler} != xno ; then
723 noconfigdirs="$noconfigdirs target-newlib"
725 noconfigdirs="$noconfigdirs target-libgloss"
726 # If we are not using a cross compiler, do configure newlib.
727 # Note however, that newlib will only be configured in this situation
728 # if the --with-newlib option has been given, because otherwise
729 # 'target-newlib' will appear in skipdirs.
731 i[[3456789]]86-*-mingw32*)
732 target_configdirs="$target_configdirs target-winsup"
733 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
736 target_configdirs="$target_configdirs target-winsup"
737 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
740 target_configdirs="$target_configdirs target-libtermcap target-winsup"
741 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
742 # always build newlib if winsup directory is present.
743 if test -d "$srcdir/winsup/cygwin"; then
744 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
745 elif test -d "$srcdir/newlib"; then
746 echo "Warning: winsup/cygwin is missing so newlib can't be built."
749 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
750 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
753 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
755 i[[3456789]]86-*-sco3.2v5*)
756 # The linker does not yet know about weak symbols in COFF,
757 # and is not configured to handle mixed ELF and COFF.
758 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
760 i[[3456789]]86-*-sco*)
761 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
763 i[[3456789]]86-*-solaris2*)
764 noconfigdirs="$noconfigdirs target-libgloss"
766 i[[3456789]]86-*-sysv4*)
767 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
769 i[[3456789]]86-*-beos*)
770 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
772 i[[3456789]]86-*-rdos*)
773 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
776 noconfigdirs="$noconfigdirs ${libgcj}"
778 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
779 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
783 noconfigdirs="$noconfigdirs ${libgcj}"
786 noconfigdirs="$noconfigdirs ${libgcj}"
792 # The EPOC C++ environment does not support exceptions or rtti,
793 # and so building libstdc++-v3 tends not to always work.
794 noconfigdirs="$noconfigdirs target-libstdc++-v3"
797 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
798 unsupported_languages="$unsupported_languages fortran java"
801 noconfigdirs="$noconfigdirs ${libgcj}"
804 noconfigdirs="$noconfigdirs ${libgcj}"
807 noconfigdirs="$noconfigdirs sim"
810 # copied from rs6000-*-* entry
811 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
813 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
814 target_configdirs="$target_configdirs target-winsup"
815 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
816 # always build newlib.
817 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
819 # This is temporary until we can link against shared libraries
820 powerpcle-*-solaris*)
821 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
825 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
828 noconfigdirs="$noconfigdirs ${libgcj}"
831 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
835 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
838 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
841 noconfigdirs="$noconfigdirs gprof ${libgcj}"
844 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
847 noconfigdirs="$noconfigdirs gprof ${libgcj}"
850 skipdirs="$skipdirs target-libiberty"
851 noconfigdirs="$noconfigdirs ${libgcj}"
852 if test x$with_newlib = xyes; then
853 noconfigdirs="$noconfigdirs gprof"
858 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
861 # Linking libjava exceeds command-line length limits on at least
862 # IRIX 6.2, but not on IRIX 6.5.
863 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
864 # <oldham@codesourcery.com>
865 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
868 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
871 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
874 noconfigdirs="$noconfigdirs gprof ${libgcj}"
878 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
882 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
883 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
884 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
885 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
889 noconfigdirs="$noconfigdirs ${libgcj}" ;;
891 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
894 sparclet-*-aout* | sparc86x-*-*)
898 noconfigdirs="$noconfigdirs ${libgcj}"
901 noconfigdirs="$noconfigdirs ${libgcj}"
905 noconfigdirs="$noconfigdirs ${libgcj}"
909 noconfigdirs="$noconfigdirs ${libgcj}"
910 if test x${is_cross_compiler} != xno ; then
911 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
916 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
917 noconfigdirs="$noconfigdirs ${libgcj}"
919 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
922 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
925 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
928 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
931 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
934 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
937 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
940 noconfigdirs="$noconfigdirs ${libgcj}"
943 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
945 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
946 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
949 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
952 noconfigdirs="$noconfigdirs ${libgcj}"
956 # If we aren't building newlib, then don't build libgloss, since libgloss
957 # depends upon some newlib header files.
958 case "${noconfigdirs}" in
959 *target-libgloss*) ;;
960 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
963 # Work in distributions that contain no compiler tools, like Autoconf.
965 host_makefile_frag=/dev/null
966 if test -d ${srcdir}/config ; then
969 # Avoid "too much defining" errors from HPUX compiler.
970 tentative_cc="cc -Wp,-H256000"
971 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
972 # If it's HP/UX ar, this should be harmless.
976 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
979 #None of the Apollo compilers can compile gas or binutils. The preprocessor
980 # chokes on bfd, the compiler won't let you assign integers to enums, and
981 # other problems. Defining CC to gcc is a questionable way to say "don't use
982 # the apollo compiler" (the preferred version of GCC could be called cc,
983 # or whatever), but I'm not sure leaving CC as cc is any better...
984 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
985 # Used to have BISON=yacc.
989 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
992 # Under CX/UX, we want to tell the compiler to use ANSI mode.
993 tentative_cc="cc -Xa"
994 host_makefile_frag="config/mh-cxux"
999 tentative_cc="cc -Wf,-XNg1000"
1000 host_makefile_frag="config/mh-decstation"
1003 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1004 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1005 host_makefile_frag="config/mh-necv4"
1008 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1009 # environment. Also bump switch table size so that cp-parse will
1010 # compile. Bump string length limit so linker builds.
1011 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1014 host_makefile_frag="config/mh-sysv4"
1017 # This is for a MIPS running RISC/os 4.52C.
1019 # This is needed for GDB, but needs to be in the top-level make because
1020 # if a library is compiled with the bsd headers and gets linked with the
1021 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1022 # a different size).
1023 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1024 # known except to select the sysv environment. Could we use /proc instead?
1025 # These "sysv environments" and "bsd environments" often end up being a pain.
1027 # This is not part of CFLAGS because perhaps not all C compilers have this
1029 tentative_cc="cc -systype sysv"
1034 i[[3456789]]86-*-sysv5*)
1035 host_makefile_frag="config/mh-sysv5"
1037 i[[3456789]]86-*-dgux*)
1038 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1039 host_makefile_frag="config/mh-dgux386"
1041 i[[3456789]]86-ncr-sysv4.3*)
1042 # The MetaWare compiler will generate a copyright message unless you
1043 # turn it off by adding the -Hnocopyr flag.
1044 tentative_cc="cc -Hnocopyr"
1046 i[[3456789]]86-ncr-sysv4*)
1047 # for an NCR 3000 (i486/SVR4) system.
1048 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1049 # This compiler not only emits obnoxious copyright messages every time
1050 # you run it, but it chokes and dies on a whole bunch of GNU source
1051 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1052 tentative_cc="/usr/ccs/ATT/cc"
1053 host_makefile_frag="config/mh-ncr3000"
1055 i[[3456789]]86-*-sco3.2v5*)
1057 i[[3456789]]86-*-sco*)
1058 # The native C compiler botches some simple uses of const. Unfortunately,
1059 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1060 tentative_cc="cc -Dconst="
1061 host_makefile_frag="config/mh-sco"
1063 i[[3456789]]86-*-udk*)
1064 host_makefile_frag="config/mh-sysv5"
1066 i[[3456789]]86-*-solaris2*)
1067 host_makefile_frag="config/mh-sysv4"
1069 i[[3456789]]86-*-msdosdjgpp*)
1070 host_makefile_frag="config/mh-djgpp"
1073 ACX_CHECK_CYGWIN_CAT_WORKS
1074 host_makefile_frag="config/mh-cygwin"
1077 host_makefile_frag="config/mh-mingw"
1080 host_makefile_frag="config/mh-interix"
1083 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1087 host_makefile_frag="config/mh-solaris"
1090 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1091 # without overflowing the jump tables (-J says to use a 32 bit table)
1092 tentative_cc="cc -J"
1095 tentative_cc="cc -Wp,-H256000"
1096 host_makefile_frag="config/mh-pa-hpux10"
1098 hppa*-hp-hpux* | hppa*-*-hiux*)
1099 tentative_cc="cc -Wp,-H256000"
1100 host_makefile_frag="config/mh-pa"
1103 host_makefile_frag="config/mh-pa"
1105 *-hp-hpux* | *-*-hiux*)
1106 tentative_cc="cc -Wp,-H256000"
1109 # /bin/cc is less than useful for our purposes. Always use GCC
1110 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1111 host_makefile_frag="config/mh-lynxrs6k"
1114 host_makefile_frag="config/mh-ppc-darwin"
1117 host_makefile_frag="config/mh-ppc-aix"
1120 host_makefile_frag="config/mh-ppc-aix"
1123 # /bin/cc is less than useful for our purposes. Always use GCC
1124 tentative_cc="/bin/gcc"
1127 host_makefile_frag="config/mh-sysv4"
1129 # This is placed last to prevent interfering with the cases above.
1131 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1132 host_makefile_frag="config/mh-x86omitfp"
1137 # If we aren't going to be using gcc, see if we can extract a definition
1138 # of CC from the fragment.
1139 # Actually, use the 'pre-extracted' version above.
1140 if test -z "${CC}" && test "${build}" = "${host}" ; then
1141 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1143 for dir in $PATH; do
1144 test -z "$dir" && dir=.
1145 if test -f $dir/gcc; then
1151 if test -z "${found}" && test -n "${tentative_cc}" ; then
1156 if test "${build}" != "${host}" ; then
1157 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1158 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1159 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1160 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1161 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1162 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1163 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1164 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1165 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1166 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1167 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1168 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1170 AR_FOR_BUILD="\$(AR)"
1171 AS_FOR_BUILD="\$(AS)"
1172 CC_FOR_BUILD="\$(CC)"
1173 CXX_FOR_BUILD="\$(CXX)"
1174 GCJ_FOR_BUILD="\$(GCJ)"
1175 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1176 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1177 LD_FOR_BUILD="\$(LD)"
1178 NM_FOR_BUILD="\$(NM)"
1179 RANLIB_FOR_BUILD="\$(RANLIB)"
1180 WINDRES_FOR_BUILD="\$(WINDRES)"
1181 WINDMC_FOR_BUILD="\$(WINDMC)"
1187 # We must set the default linker to the linker used by gcc for the correct
1188 # operation of libtool. If LD is not defined and we are using gcc, try to
1189 # set the LD default to the ld used by gcc.
1190 if test -z "$LD"; then
1191 if test "$GCC" = yes; then
1194 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1196 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1198 case $gcc_prog_ld in
1199 # Accept absolute paths.
1200 [[\\/]* | [A-Za-z]:[\\/]*)]
1201 LD="$gcc_prog_ld" ;;
1207 ACX_PROG_CMP_IGNORE_INITIAL
1209 # See if we are building gcc with C++.
1210 AC_ARG_ENABLE(build-with-cxx,
1211 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1212 ENABLE_BUILD_WITH_CXX=$enableval,
1213 ENABLE_BUILD_WITH_CXX=no)
1215 # Check for GMP, MPFR and MPC
1216 gmplibs="-lmpfr -lgmp"
1223 # Specify a location for mpc
1224 # check for this first so it ends up on the link line before mpfr.
1225 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1226 Equivalent to --with-mpc-include=PATH/include
1227 plus --with-mpc-lib=PATH/lib])
1228 AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1229 specify directory for installed MPC include files])
1230 AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1232 if test "x$with_mpc" != x; then
1233 mpclibs="-L$with_mpc/lib -lmpc"
1234 mpcinc="-I$with_mpc/include $mpcinc"
1236 if test "x$with_mpc_include" != x; then
1237 mpcinc="-I$with_mpc_include $mpcinc"
1239 if test "x$with_mpc_lib" != x; then
1240 mpclibs="-L$with_mpc_lib -lmpc"
1242 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1243 mpclibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs -lmpc'
1244 mpcinc='-I$$s/mpc/src '"$mpcinc"
1245 # Do not test the mpc version. Assume that it is sufficient, since
1246 # it is in the source tree, and the library has not been built yet
1247 # but it would be included on the link line in the version check below
1248 # hence making the test fail.
1252 # Specify a location for mpfr
1253 # check for this first so it ends up on the link line before gmp.
1254 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1255 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1256 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1258 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1259 Equivalent to --with-mpfr-include=PATH/include
1260 plus --with-mpfr-lib=PATH/lib])
1261 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1262 specify directory for installed MPFR include files])
1263 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1265 if test "x$with_mpfr" != x; then
1266 gmplibs="-L$with_mpfr/lib $gmplibs"
1267 gmpinc="-I$with_mpfr/include"
1269 if test "x$with_mpfr_include" != x; then
1270 gmpinc="-I$with_mpfr_include"
1272 if test "x$with_mpfr_lib" != x; then
1273 gmplibs="-L$with_mpfr_lib $gmplibs"
1275 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1276 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1277 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1278 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr'
1279 # Do not test the mpfr version. Assume that it is sufficient, since
1280 # it is in the source tree, and the library has not been built yet
1281 # but it would be included on the link line in the version check below
1282 # hence making the test fail.
1286 # Specify a location for gmp
1287 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1288 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1289 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1291 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1292 Equivalent to --with-gmp-include=PATH/include
1293 plus --with-gmp-lib=PATH/lib])
1294 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1295 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1298 if test "x$with_gmp" != x; then
1299 gmplibs="-L$with_gmp/lib $gmplibs"
1300 gmpinc="-I$with_gmp/include $gmpinc"
1302 if test "x$with_gmp_include" != x; then
1303 gmpinc="-I$with_gmp_include $gmpinc"
1305 if test "x$with_gmp_lib" != x; then
1306 gmplibs="-L$with_gmp_lib $gmplibs"
1308 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1309 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1310 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1311 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1312 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp'
1313 # Do not test the gmp version. Assume that it is sufficient, since
1314 # it is in the source tree, and the library has not been built yet
1315 # but it would be included on the link line in the version check below
1316 # hence making the test fail.
1320 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1322 saved_CFLAGS="$CFLAGS"
1323 CFLAGS="$CFLAGS $gmpinc"
1324 # Check GMP actually works
1325 AC_MSG_CHECKING([for correct version of gmp.h])
1326 AC_TRY_COMPILE([#include "gmp.h"],[
1327 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
1330 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1332 # If we have GMP, check the MPFR version.
1333 if test x"$have_gmp" = xyes; then
1334 dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
1335 AC_MSG_CHECKING([for correct version of mpfr.h])
1336 AC_TRY_COMPILE([#include <gmp.h>
1337 #include <mpfr.h>],[
1338 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1341 ], AC_TRY_COMPILE([#include <gmp.h>
1342 #include <mpfr.h>],[
1343 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
1346 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1347 [AC_MSG_RESULT([no]); have_gmp=no])
1350 # Check for the MPC header version.
1351 if test x"$have_mpc" != xyes ; then
1352 CFLAGS="$CFLAGS $mpcinc"
1353 AC_MSG_CHECKING([for the correct version of mpc.h])
1354 AC_TRY_COMPILE([#include <mpc.h>],[
1355 #if MPC_VERSION < MPC_VERSION_NUM (0,6,0)
1358 ], [AC_MSG_RESULT([yes]); have_mpc=maybe],
1359 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1362 # Now check the MPFR library.
1363 if test x"$have_gmp" = xyes; then
1365 LIBS="$LIBS $gmplibs"
1366 AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
1367 AC_TRY_LINK([#include <gmp.h>
1368 #include <mpfr.h>],[
1374 mpfr_atan2 (n, n, x, GMP_RNDN);
1375 mpfr_erfc (n, x, GMP_RNDN);
1376 mpfr_subnormalize (x, t, GMP_RNDN);
1377 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1381 if test x"$have_mpc" = xmaybe; then
1383 LIBS="$LIBS $mpclibs $gmplibs"
1384 AC_MSG_CHECKING([for the correct version of the mpc library])
1385 AC_TRY_LINK([#include <mpc.h>],[
1388 mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
1389 mpc_sin (n, n, MPC_RNDNN);
1390 mpc_cos (n, n, MPC_RNDNN);
1391 mpc_tan (n, n, MPC_RNDNN);
1392 mpc_sinh (n, n, MPC_RNDNN);
1393 mpc_cosh (n, n, MPC_RNDNN);
1394 mpc_tanh (n, n, MPC_RNDNN);
1395 mpc_exp (n, n, MPC_RNDNN);
1396 mpc_log (n, n, MPC_RNDNN);
1397 mpc_sqrt (n, n, MPC_RNDNN);
1398 mpc_proj (n, n, MPC_RNDNN);
1399 mpc_neg (n, n, MPC_RNDNN);
1400 mpc_sqr (n, n, MPC_RNDNN);
1402 ], [AC_MSG_RESULT([yes]); have_mpc=yes],
1403 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1407 CFLAGS="$saved_CFLAGS"
1409 if test x$have_gmp != xyes; then
1410 AC_MSG_ERROR([Building GCC requires GMP 4.2+ and MPFR 2.3.2+.
1411 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1412 Copies of these libraries' source code can be found at their respective
1413 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1414 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1415 If you obtained GMP and/or MPFR from a vendor distribution package, make
1416 sure that you have installed both the libraries and the header files.
1417 They may be located in separate packages.])
1421 if test x$have_mpc != xyes ; then
1426 gmpinc="$mpcinc $gmpinc"
1427 gmplibs="$mpclibs $gmplibs"
1429 # Flags needed for both GMP, MPFR and/or MPC.
1432 AC_SUBST(extra_mpfr_configure_flags)
1433 AC_SUBST(extra_mpc_gmp_configure_flags)
1434 AC_SUBST(extra_mpc_mpfr_configure_flags)
1436 # Allow host libstdc++ to be specified for static linking with PPL.
1437 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1438 when linking with PPL])
1440 case $with_host_libstdcxx in
1442 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1446 # Linker flags to use for stage1 or when not boostrapping.
1447 AC_ARG_WITH(stage1-ldflags,
1448 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1449 [if test "$withval" = "no" -o "$withval" = "yes"; then
1452 stage1_ldflags=$withval
1455 AC_SUBST(stage1_ldflags)
1457 # Libraries to use for stage1 or when not bootstrapping.
1458 AC_ARG_WITH(stage1-libs,
1459 [ -with-stage1-libs=LIBS Libraries for stage1],
1460 [if test "$withval" = "no" -o "$withval" = "yes"; then
1463 stage1_libs=$withval
1465 [stage1_libs=$with_host_libstdcxx])
1466 AC_SUBST(stage1_libs)
1468 # Linker flags to use for stage2 and later builds.
1469 AC_ARG_WITH(boot-ldflags,
1470 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1471 [if test "$withval" = "no" -o "$withval" = "yes"; then
1474 poststage1_ldflags=$withval
1476 [if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1477 poststage1_ldflags=-static-libstdc++
1481 AC_SUBST(poststage1_ldflags)
1483 # Libraries to use for stage2 and later builds. This defaults to the
1484 # argument passed to --with-host-libstdcxx.
1485 AC_ARG_WITH(boot-libs,
1486 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1487 [if test "$withval" = "no" -o "$withval" = "yes"; then
1490 poststage1_libs=$withval
1492 [poststage1_libs=$with_host_libstdcxx])
1493 AC_SUBST(poststage1_libs)
1497 ppl_minor_version=10
1498 ppllibs=" -lppl_c -lppl -lgmpxx"
1501 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1502 Equivalent to --with-ppl-include=PATH/include
1503 plus --with-ppl-lib=PATH/lib],, with_ppl=no)
1504 AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1505 AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1512 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1513 pplinc="-I$with_ppl/include $pplinc"
1514 LIBS="$ppllibs $LIBS"
1517 if test "x$with_ppl_include" != x; then
1518 pplinc="-I$with_ppl_include $pplinc"
1520 if test "x$with_ppl_lib" != x; then
1521 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1522 LIBS="$ppllibs $LIBS"
1524 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1525 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/.libs -L$$r/$(HOST_SUBDIR)/ppl/_libs -lppl_c -lppl -lgmpxx '
1526 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/include -I$$s/ppl/include '
1527 LIBS="$ppllibs $LIBS"
1530 AC_ARG_ENABLE(ppl-version-check,
1531 [ --disable-ppl-version-check disable check for PPL version],
1532 ENABLE_PPL_CHECK=$enableval,
1533 ENABLE_PPL_CHECK=yes)
1535 if test "${ENABLE_PPL_CHECK}" = "yes"; then
1536 saved_CFLAGS="$CFLAGS"
1537 CFLAGS="$CFLAGS $pplinc $gmpinc"
1538 AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
1539 AC_TRY_COMPILE([#include "ppl_c.h"],[
1540 #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
1543 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ])
1544 CFLAGS="$saved_CFLAGS"
1547 # Flags needed for PPL
1553 clooglibs=" -lcloog "
1554 clooginc=" -DCLOOG_PPL_BACKEND "
1556 AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
1557 Equivalent to --with-cloog-include=PATH/include
1558 plus --with-cloog-lib=PATH/lib],, with_cloog=no)
1559 AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
1560 AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
1568 clooglibs="-L$with_cloog/lib -lcloog"
1569 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1570 LIBS="$clooglibs $LIBS"
1573 if test "x$with_cloog_include" != x; then
1574 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1576 if test "x$with_cloog_lib" != x; then
1577 clooglibs="-L$with_cloog_lib -lcloog"
1578 LIBS="$clooglibs $LIBS"
1580 if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1581 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
1582 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1583 LIBS="$clooglibs $LIBS"
1586 AC_ARG_ENABLE(cloog-version-check,
1587 [ --disable-cloog-version-check disable check for CLooG version],
1588 ENABLE_CLOOG_CHECK=$enableval,
1589 ENABLE_CLOOG_CHECK=yes)
1591 if test "${ENABLE_CLOOG_CHECK}" = "yes"; then
1592 saved_CFLAGS="$CFLAGS"
1593 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1594 AC_MSG_CHECKING([for correct version of CLooG])
1595 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1596 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
1599 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1600 CFLAGS="$saved_CFLAGS"
1603 # Flags needed for CLOOG
1608 # By default, C is the only stage 1 language.
1609 stage1_languages=,c,
1611 # Target libraries that we bootstrap.
1612 bootstrap_target_libs=,target-libgcc,
1614 # Figure out what language subdirectories are present.
1615 # Look if the user specified --enable-languages="..."; if not, use
1616 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1618 # NB: embedded tabs in this IF block -- do not untabify
1619 if test -d ${srcdir}/gcc; then
1620 if test x"${enable_languages+set}" != xset; then
1621 if test x"${LANGUAGES+set}" = xset; then
1622 enable_languages="${LANGUAGES}"
1623 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1625 enable_languages=all
1628 if test x"${enable_languages}" = x ||
1629 test x"${enable_languages}" = xyes;
1631 echo configure.in: --enable-languages needs at least one language argument 1>&2
1635 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1637 # 'f95' is the old name for the 'fortran' language. We issue a warning
1638 # and make the substitution.
1639 case ,${enable_languages}, in
1641 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1642 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1646 # First scan to see if an enabled language requires some other language.
1647 # We assume that a given config-lang.in will list all the language
1648 # front ends it requires, even if some are required indirectly.
1649 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1650 case ${lang_frag} in
1652 # The odd quoting in the next line works around
1653 # an apparent bug in bash 1.12 on linux.
1654 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1656 # From the config-lang.in, get $language, $lang_requires
1660 for other in ${lang_requires} ; do
1661 case ,${enable_languages}, in
1665 echo " \`$other' language required by \`$language'; enabling" 1>&2
1666 enable_languages="${enable_languages},${other}"
1674 new_enable_languages=,c,
1675 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1676 potential_languages=,c,
1678 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1679 case ${lang_frag} in
1681 # The odd quoting in the next line works around
1682 # an apparent bug in bash 1.12 on linux.
1683 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1685 # From the config-lang.in, get $language, $target_libs,
1686 # $lang_dirs, $boot_language, and $build_by_default
1692 build_by_default=yes
1694 if test x${language} = x; then
1695 echo "${lang_frag} doesn't set \$language." 1>&2
1699 if test "$language" = "c++" -a "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1703 case ,${enable_languages}, in
1705 # Language was explicitly selected; include it.
1709 # 'all' was selected, select it if it is a default language
1710 add_this_lang=${build_by_default}
1717 # Disable languages that need other directories if these aren't available.
1718 for i in $subdir_requires; do
1719 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1720 case ,${enable_languages}, in
1722 # Specifically requested language; tell them.
1723 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1727 add_this_lang=unsupported
1732 # Disable Ada if no preexisting GNAT is available.
1733 case ,${enable_languages},:${language}:${have_gnat} in
1734 *,${language},*:ada:no)
1735 # Specifically requested language; tell them.
1736 AC_MSG_ERROR([GNAT is required to build $language])
1740 add_this_lang=unsupported
1744 # Disable a language that is unsupported by the target.
1745 case " $unsupported_languages " in
1747 add_this_lang=unsupported
1751 case $add_this_lang in
1753 # Remove language-dependent dirs.
1754 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1757 # Remove language-dependent dirs; still show language as supported.
1758 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1759 potential_languages="${potential_languages}${language},"
1762 new_enable_languages="${new_enable_languages}${language},"
1763 potential_languages="${potential_languages}${language},"
1764 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1765 case ${boot_language} in
1767 # Add to (comma-separated) list of stage 1 languages.
1768 stage1_languages="${stage1_languages}${language},"
1769 # We need to bootstrap any supporting libraries.
1770 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1779 AC_ARG_ENABLE(stage1-languages,
1780 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1781 stage1. Mostly useful for compiler development.],
1782 [case ,${enable_stage1_languages}, in
1784 # Set it to something that will have no effect in the loop below
1785 enable_stage1_languages=c ;;
1787 enable_stage1_languages=`echo $new_enable_languages | \
1788 sed -e "s/^,//" -e "s/,$//" ` ;;
1790 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1791 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1794 # Add "good" languages from enable_stage1_languages to stage1_languages,
1795 # while "bad" languages go in missing_languages. Leave no duplicates.
1796 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1797 case $potential_languages in
1799 case $stage1_languages in
1801 *) stage1_languages="$stage1_languages$i," ;;
1804 case $missing_languages in
1806 *) missing_languages="$missing_languages$i," ;;
1811 # Remove leading/trailing commas that were added for simplicity
1812 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1813 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1814 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1815 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1817 if test "x$missing_languages" != x; then
1819 The following requested languages could not be built: ${missing_languages}
1820 Supported languages are: ${potential_languages}])
1822 if test "x$new_enable_languages" != "x$enable_languages"; then
1823 echo The following languages will be built: ${new_enable_languages}
1824 enable_languages="$new_enable_languages"
1827 AC_SUBST(stage1_languages)
1828 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1831 # Handle --disable-<component> generically.
1832 for dir in $configdirs $build_configdirs $target_configdirs ; do
1833 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1834 varname=`echo $dirname | sed -e s/+/_/g`
1835 if eval test x\${enable_${varname}} "=" xno ; then
1836 noconfigdirs="$noconfigdirs $dir"
1840 # Check for Boehm's garbage collector
1841 AC_ARG_ENABLE(objc-gc,
1842 [ --enable-objc-gc enable use of Boehm's garbage collector with the
1843 GNU Objective-C runtime],
1844 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1845 *,objc,*:*:yes:*target-boehm-gc*)
1846 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1850 # Make sure we only build Boehm's garbage collector if required.
1851 case ,${enable_languages},:${enable_objc_gc} in
1853 # Keep target-boehm-gc if requested for Objective-C.
1856 # Otherwise remove target-boehm-gc depending on target-libjava.
1857 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1858 noconfigdirs="$noconfigdirs target-boehm-gc"
1863 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1864 # $build_configdirs and $target_configdirs.
1865 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1868 for dir in . $skipdirs $noconfigdirs ; do
1869 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1870 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1871 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1872 if test -r $srcdir/$dirname/configure ; then
1873 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1876 notsupp="$notsupp $dir"
1880 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1881 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1882 if test -r $srcdir/$dirname/configure ; then
1883 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1886 notsupp="$notsupp $dir"
1890 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1891 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1892 if test -r $srcdir/$dirname/configure ; then
1893 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1896 notsupp="$notsupp $dir"
1902 # Sometimes the tools are distributed with libiberty but with no other
1903 # libraries. In that case, we don't want to build target-libiberty.
1904 # Don't let libgcc imply libiberty either.
1905 if test -n "${target_configdirs}" ; then
1908 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1909 if test "$i" = "libgcc"; then
1910 libgcc=target-libgcc
1911 elif test "$i" != "libiberty" ; then
1912 if test -r $srcdir/$i/configure ; then
1918 if test -z "${others}" ; then
1919 target_configdirs=$libgcc
1923 # Quietly strip out all directories which aren't configurable in this tree.
1924 # This relies on all configurable subdirectories being autoconfiscated, which
1926 build_configdirs_all="$build_configdirs"
1928 for i in ${build_configdirs_all} ; do
1929 j=`echo $i | sed -e s/build-//g`
1930 if test -f ${srcdir}/$j/configure ; then
1931 build_configdirs="${build_configdirs} $i"
1935 configdirs_all="$configdirs"
1937 for i in ${configdirs_all} ; do
1938 if test -f ${srcdir}/$i/configure ; then
1939 configdirs="${configdirs} $i"
1943 target_configdirs_all="$target_configdirs"
1945 for i in ${target_configdirs_all} ; do
1946 j=`echo $i | sed -e s/target-//g`
1947 if test -f ${srcdir}/$j/configure ; then
1948 target_configdirs="${target_configdirs} $i"
1952 # Produce a warning message for the subdirs we can't configure.
1953 # This isn't especially interesting in the Cygnus tree, but in the individual
1954 # FSF releases, it's important to let people know when their machine isn't
1955 # supported by the one or two programs in a package.
1957 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1958 # If $appdirs is non-empty, at least one of those directories must still
1959 # be configured, or we error out. (E.g., if the gas release supports a
1960 # specified target in some subdirs but not the gas subdir, we shouldn't
1961 # pretend that all is well.)
1962 if test -n "$appdirs" ; then
1963 for dir in $appdirs ; do
1964 if test -r $dir/Makefile.in ; then
1965 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1969 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1975 if test -n "$appdirs" ; then
1976 echo "*** This configuration is not supported by this package." 1>&2
1980 # Okay, some application will build, or we don't care to check. Still
1981 # notify of subdirs not getting built.
1982 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1983 echo " ${notsupp}" 1>&2
1984 echo " (Any other directories should still work fine.)" 1>&2
1992 # To find our prefix, in gcc_cv_tool_prefix.
1997 AC_ARG_WITH([build-sysroot],
1998 [ --with-build-sysroot=SYSROOT
1999 use sysroot as the system root during the build],
2000 [if test x"$withval" != x ; then
2001 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2003 [SYSROOT_CFLAGS_FOR_TARGET=])
2004 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2006 AC_ARG_WITH([debug-prefix-map],
2007 [ --with-debug-prefix-map='A=B C=D ...'
2008 map A to B, C to D ... in debug information],
2009 [if test x"$withval" != x; then
2010 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2011 for debug_map in $withval; do
2012 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2015 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2016 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2018 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2019 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2020 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2021 # We want to ensure that TARGET libraries (which we know are built with
2022 # gcc) are built with "-O2 -g", so include those options when setting
2023 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2024 if test "x$CFLAGS_FOR_TARGET" = x; then
2025 CFLAGS_FOR_TARGET=$CFLAGS
2028 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2031 *" -g "* | *" -g3 "*) ;;
2032 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2035 AC_SUBST(CFLAGS_FOR_TARGET)
2037 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2038 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2039 case " $CXXFLAGS " in
2041 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2043 case " $CXXFLAGS " in
2044 *" -g "* | *" -g3 "*) ;;
2045 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2048 AC_SUBST(CXXFLAGS_FOR_TARGET)
2050 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2051 # the named directory are copied to $(tooldir)/sys-include.
2052 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2053 if test x${is_cross_compiler} = xno ; then
2054 echo 1>&2 '***' --with-headers is only supported when cross compiling
2057 if test x"${with_headers}" != xyes ; then
2058 x=${gcc_cv_tool_prefix}
2059 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2063 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2064 # the name directories are copied to $(tooldir)/lib. Multiple directories
2066 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2067 if test x${is_cross_compiler} = xno ; then
2068 echo 1>&2 '***' --with-libs is only supported when cross compiling
2071 if test x"${with_libs}" != xyes ; then
2072 # Copy the libraries in reverse order, so that files in the first named
2073 # library override files in subsequent libraries.
2074 x=${gcc_cv_tool_prefix}
2075 for l in ${with_libs}; do
2076 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2081 # Set with_gnu_as and with_gnu_ld as appropriate.
2083 # This is done by determining whether or not the appropriate directory
2084 # is available, and by checking whether or not specific configurations
2085 # have requested that this magic not happen.
2087 # The command line options always override the explicit settings in
2088 # configure.in, and the settings in configure.in override this magic.
2090 # If the default for a toolchain is to use GNU as and ld, and you don't
2091 # want to do that, then you should use the --without-gnu-as and
2092 # --without-gnu-ld options for the configure script.
2094 if test x${use_gnu_as} = x &&
2095 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2097 extra_host_args="$extra_host_args --with-gnu-as"
2100 if test x${use_gnu_ld} = x &&
2101 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2103 extra_host_args="$extra_host_args --with-gnu-ld"
2106 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2107 # can detect this case.
2109 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2111 extra_host_args="$extra_host_args --with-newlib"
2114 # Handle ${copy_dirs}
2115 set fnord ${copy_dirs}
2117 while test $# != 0 ; do
2118 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2121 echo Copying $1 to $2
2123 # Use the install script to create the directory and all required
2124 # parent directories.
2125 if test -d $2 ; then
2129 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2132 # Copy the directory, assuming we have tar.
2133 # FIXME: Should we use B in the second tar? Not all systems support it.
2134 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2136 # It is the responsibility of the user to correctly adjust all
2137 # symlinks. If somebody can figure out how to handle them correctly
2138 # here, feel free to add the code.
2145 # Determine a target-dependent exec_prefix that the installed
2146 # gcc will search in. Keep this list sorted by triplet, with
2147 # the *-*-osname triplets last.
2151 md_exec_prefix=/gnu/lib/gcc-lib
2153 i[[34567]]86-pc-msdosdjgpp*)
2154 md_exec_prefix=/dev/env/DJDIR/bin
2156 i[[34567]]86-*-sco3.2v5*)
2157 if test $with_gnu_as = yes; then
2158 md_exec_prefix=/usr/gnu/bin
2160 md_exec_prefix=/usr/ccs/bin/elf
2165 powerpc-*-chorusos* | \
2166 powerpc*-*-eabi* | \
2167 powerpc*-*-sysv* | \
2168 powerpc*-*-kaos* | \
2170 md_exec_prefix=/usr/ccs/bin
2175 md_exec_prefix=/usr/ccs/bin
2190 md_exec_prefix=/usr/ccs/bin
2194 extra_arflags_for_target=
2195 extra_nmflags_for_target=
2196 extra_ranlibflags_for_target=
2197 target_makefile_frag=/dev/null
2200 target_makefile_frag="config/mt-mep"
2203 target_makefile_frag="config/mt-spu"
2206 target_makefile_frag="config/mt-sde"
2208 mipsisa*-*-elfoabi*)
2209 target_makefile_frag="config/mt-mips-elfoabi"
2211 mips*-*-*linux* | mips*-*-gnu*)
2212 target_makefile_frag="config/mt-mips-gnu"
2215 target_makefile_frag="config/mt-netware"
2217 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2218 target_makefile_frag="config/mt-gnu"
2220 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2221 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2222 # commands to handle both 32-bit and 64-bit objects. These flags are
2223 # harmless if we're using GNU nm or ar.
2224 extra_arflags_for_target=" -X32_64"
2225 extra_nmflags_for_target=" -B -X32_64"
2228 # ranlib from Darwin requires the -c flag to look at common symbols.
2229 extra_ranlibflags_for_target=" -c"
2231 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2232 target_makefile_frag="config/mt-wince"
2236 alphaieee_frag=/dev/null
2239 # This just makes sure to use the -mieee option to build target libs.
2240 # This should probably be set individually by each library.
2241 alphaieee_frag="config/mt-alphaieee"
2245 # If --enable-target-optspace always use -Os instead of -O2 to build
2246 # the target libraries, similarly if it is not specified, use -Os
2247 # on selected platforms.
2248 ospace_frag=/dev/null
2249 case "${enable_target_optspace}:${target}" in
2251 ospace_frag="config/mt-ospace"
2254 ospace_frag="config/mt-d30v"
2256 :m32r-* | :d10v-* | :fr30-*)
2257 ospace_frag="config/mt-ospace"
2262 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2266 # Default to using --with-stabs for certain targets.
2267 if test x${with_stabs} = x ; then
2269 mips*-*-irix[[56]]*)
2271 mips*-*-* | alpha*-*-osf*)
2273 extra_host_args="${extra_host_args} --with-stabs"
2278 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2279 # them automatically.
2282 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2286 # Some systems (e.g., one of the i386-aix systems the gas testers are
2287 # using) don't handle "\$" correctly, so don't use it here.
2288 tooldir='${exec_prefix}'/${target_noncanonical}
2289 build_tooldir=${tooldir}
2291 # Create a .gdbinit file which runs the one in srcdir
2292 # and tells GDB to look there for source files.
2294 if test -r ${srcdir}/.gdbinit ; then
2297 *) cat > ./.gdbinit <<EOF
2301 source ${srcdir}/.gdbinit
2307 # Make sure that the compiler is able to generate an executable. If it
2308 # can't, we are probably in trouble. We don't care whether we can run the
2309 # executable--we might be using a cross compiler--we only care whether it
2310 # can be created. At this point the main configure script has set CC.
2312 echo "int main () { return 0; }" > conftest.c
2313 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2314 if test $? = 0 ; then
2315 if test -s conftest || test -s conftest.exe ; then
2321 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2322 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2329 # The Solaris /usr/ucb/cc compiler does not appear to work.
2331 sparc-sun-solaris2*)
2332 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2333 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2335 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2336 if test -d /opt/cygnus/bin ; then
2337 if test "$could_use" = "" ; then
2338 could_use="/opt/cygnus/bin"
2340 could_use="$could_use or /opt/cygnus/bin"
2343 if test "$could_use" = "" ; then
2344 echo "Warning: compilation may fail because you're using"
2345 echo "/usr/ucb/cc. You should change your PATH or CC "
2346 echo "variable and rerun configure."
2348 echo "Warning: compilation may fail because you're using"
2349 echo "/usr/ucb/cc, when you should use the C compiler from"
2350 echo "$could_use. You should change your"
2351 echo "PATH or CC variable and rerun configure."
2357 # Decide which environment variable is used to find dynamic libraries.
2359 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2360 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2361 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2362 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2365 # On systems where the dynamic library environment variable is PATH,
2366 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2367 # built executables to PATH.
2368 if test "$RPATH_ENVVAR" = PATH; then
2369 GCC_SHLIB_SUBDIR=/shlib
2374 # Record target_configdirs and the configure arguments for target and
2375 # build configuration in Makefile.
2376 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2377 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2379 # Determine whether gdb needs tk/tcl or not.
2380 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2381 # and in that case we want gdb to be built without tk. Ugh!
2382 # In fact I believe gdb is the *only* package directly dependent on tk,
2383 # so we should be able to put the 'maybe's in unconditionally and
2384 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2385 # 100% sure that that's safe though.
2387 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2388 case "$enable_gdbtk" in
2392 GDB_TK="${gdb_tk}" ;;
2394 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2395 # distro. Eventually someone will fix this and move Insight, nee
2396 # gdbtk to a separate directory.
2397 if test -d ${srcdir}/gdb/gdbtk ; then
2404 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2405 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2407 # Strip out unwanted targets.
2409 # While at that, we remove Makefiles if we were started for recursive
2410 # configuration, so that the top-level Makefile reconfigures them,
2411 # like we used to do when configure itself was recursive.
2413 # Loop over modules. $extrasub must be used with care, limiting as
2414 # much as possible the usage of range addresses. That's because autoconf
2415 # splits the sed script to overcome limits in the number of commands,
2416 # and relying on carefully-timed sed passes may turn out to be very hard
2417 # to maintain later. In this particular case, you just have to be careful
2418 # not to nest @if/@endif pairs, because configure will not warn you at all.
2420 AC_ARG_ENABLE([bootstrap],
2421 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2422 enable_bootstrap=default)
2424 # Issue errors and warnings for invalid/strange bootstrap combinations.
2425 case "$configdirs" in
2426 *gcc*) have_compiler=yes ;;
2427 *) have_compiler=no ;;
2430 case "$have_compiler:$host:$target:$enable_bootstrap" in
2433 # Default behavior. Enable bootstrap if we have a compiler
2434 # and we are in a native configuration.
2435 yes:$build:$build:default)
2436 enable_bootstrap=yes ;;
2439 enable_bootstrap=no ;;
2441 # We have a compiler and we are in a native configuration, bootstrap is ok
2442 yes:$build:$build:yes)
2445 # Other configurations, but we have a compiler. Assume the user knows
2448 AC_MSG_WARN([trying to bootstrap a cross compiler])
2451 # No compiler: if they passed --enable-bootstrap explicitly, fail
2453 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2455 # Fail if wrong command line
2457 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2461 # Adjust the toplevel makefile according to whether bootstrap was selected.
2462 case $enable_bootstrap in
2464 bootstrap_suffix=bootstrap
2465 BUILD_CONFIG=bootstrap-debug
2468 bootstrap_suffix=no-bootstrap
2473 AC_MSG_CHECKING(for default BUILD_CONFIG)
2475 AC_ARG_WITH([build-config],
2476 [--with-build-config='NAME NAME2...'
2477 Use config/NAME.mk build configuration],
2478 [case $with_build_config in
2479 yes) with_build_config= ;;
2480 no) with_build_config= BUILD_CONFIG= ;;
2483 if test "x${with_build_config}" != x; then
2484 BUILD_CONFIG=$with_build_config
2486 case $BUILD_CONFIG in
2488 if echo "int f (void) { return 0; }" > conftest.c &&
2489 ${CC} -c conftest.c &&
2490 mv conftest.o conftest.o.g0 &&
2491 ${CC} -c -g conftest.c &&
2492 mv conftest.o conftest.o.g &&
2493 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g; then
2498 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2502 AC_MSG_RESULT($BUILD_CONFIG)
2503 AC_SUBST(BUILD_CONFIG)
2505 for module in ${build_configdirs} ; do
2506 if test -z "${no_recursion}" \
2507 && test -f ${build_subdir}/${module}/Makefile; then
2508 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2509 rm -f ${build_subdir}/${module}/Makefile
2512 /^@if build-$module\$/d
2513 /^@endif build-$module\$/d
2514 /^@if build-$module-$bootstrap_suffix\$/d
2515 /^@endif build-$module-$bootstrap_suffix\$/d"
2517 for module in ${configdirs} ; do
2518 if test -z "${no_recursion}"; then
2519 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2520 if test -f ${file}; then
2521 echo 1>&2 "*** removing ${file} to force reconfigure"
2528 /^@endif $module\$/d
2529 /^@if $module-$bootstrap_suffix\$/d
2530 /^@endif $module-$bootstrap_suffix\$/d"
2532 for module in ${target_configdirs} ; do
2533 if test -z "${no_recursion}" \
2534 && test -f ${target_subdir}/${module}/Makefile; then
2535 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2536 rm -f ${target_subdir}/${module}/Makefile
2539 # We only bootstrap target libraries listed in bootstrap_target_libs.
2540 case $bootstrap_target_libs in
2541 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2542 *) target_bootstrap_suffix=no-bootstrap ;;
2546 /^@if target-$module\$/d
2547 /^@endif target-$module\$/d
2548 /^@if target-$module-$target_bootstrap_suffix\$/d
2549 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2553 /^@if /,/^@endif /d"
2555 # Create the serialization dependencies. This uses a temporary file.
2557 AC_ARG_ENABLE([serial-configure],
2558 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2559 force sequential configuration of
2560 sub-packages for the host, target or build
2561 machine, or all sub-packages])
2563 case ${enable_serial_configure} in
2565 enable_serial_build_configure=yes
2566 enable_serial_host_configure=yes
2567 enable_serial_target_configure=yes
2571 # These force 'configure's to be done one at a time, to avoid problems
2572 # with contention over a shared config.cache.
2574 echo '# serdep.tmp' > serdep.tmp
2576 test "x${enable_serial_build_configure}" = xyes &&
2577 for item in ${build_configdirs} ; do
2580 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2585 test "x${enable_serial_host_configure}" = xyes &&
2586 for item in ${configdirs} ; do
2589 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2594 test "x${enable_serial_target_configure}" = xyes &&
2595 for item in ${target_configdirs} ; do
2598 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2602 serialization_dependencies=serdep.tmp
2603 AC_SUBST_FILE(serialization_dependencies)
2605 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2606 # target, nonopt, and variable assignments. These are the ones we
2607 # might not want to pass down to subconfigures. Also strip
2608 # program-prefix, program-suffix, and program-transform-name, so that
2609 # we can pass down a consistent program-transform-name.
2613 eval "set -- $ac_configure_args"
2616 if test X"$skip_next" = X"yes"; then
2620 if test X"$keep_next" = X"yes"; then
2623 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2625 baseargs="$baseargs '$ac_arg'"
2630 # Handle separated arguments. Based on the logic generated by
2633 *=* | --config-cache | -C | -disable-* | --disable-* \
2634 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2635 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2636 | -with-* | --with-* | -without-* | --without-* | --x)
2662 -program-prefix* | \
2663 -program-suffix* | \
2664 -program-transform-name* )
2665 skip_next=$separate_arg
2669 # An option. Add it.
2672 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2674 baseargs="$baseargs '$ac_arg'"
2675 keep_next=$separate_arg
2678 # Either a variable assignment, or a nonopt (triplet). Don't
2679 # pass it down; let the Makefile handle this.
2684 # Remove the initial space we just introduced and, as these will be
2685 # expanded by make, quote '$'.
2686 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2688 # Add in --program-transform-name, after --program-prefix and
2689 # --program-suffix have been applied to it. Autoconf has already
2690 # doubled dollar signs and backslashes in program_transform_name; we want
2691 # the backslashes un-doubled, and then the entire thing wrapped in single
2692 # quotes, because this will be expanded first by make and then by the shell.
2693 # Also, because we want to override the logic in subdir configure scripts to
2694 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2695 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2696 ${program_transform_name}
2698 gcc_transform_name=`cat conftestsed.out`
2699 rm -f conftestsed.out
2700 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2701 if test "$silent" = yes; then
2702 baseargs="$baseargs --silent"
2704 baseargs="$baseargs --disable-option-checking"
2706 # For the build-side libraries, we just need to pretend we're native,
2707 # and not use the same cache file. Multilibs are neither needed nor
2709 build_configargs="--cache-file=../config.cache ${baseargs}"
2711 # For host modules, accept cache file option, or specification as blank.
2712 case "${cache_file}" in
2714 cache_file_option="" ;;
2715 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2716 cache_file_option="--cache-file=${cache_file}" ;;
2718 cache_file_option="--cache-file=../${cache_file}" ;;
2721 # Host dirs don't like to share a cache file either, horribly enough.
2722 # This seems to be due to autoconf 2.5x stupidity.
2723 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2725 target_configargs=${baseargs}
2727 # Passing a --with-cross-host argument lets the target libraries know
2728 # whether they are being built with a cross-compiler or being built
2729 # native. However, it would be better to use other mechanisms to make the
2730 # sorts of decisions they want to make on this basis. Please consider
2731 # this option to be deprecated. FIXME.
2732 if test x${is_cross_compiler} = xyes ; then
2733 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2736 # Default to --enable-multilib.
2737 if test x${enable_multilib} = x ; then
2738 target_configargs="--enable-multilib ${target_configargs}"
2741 # Pass --with-newlib if appropriate. Note that target_configdirs has
2742 # changed from the earlier setting of with_newlib.
2743 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2744 target_configargs="--with-newlib ${target_configargs}"
2747 # Different target subdirs use different values of certain variables
2748 # (notably CXX). Worse, multilibs use *lots* of different values.
2749 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2750 # it doesn't automatically accept command-line overrides of them.
2751 # This means it's not safe for target subdirs to share a cache file,
2752 # which is disgusting, but there you have it. Hopefully this can be
2753 # fixed in future. It's still worthwhile to use a cache file for each
2754 # directory. I think.
2756 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2757 # We need to pass --target, as newer autoconf's requires consistency
2758 # for target_alias and gcc doesn't manage it consistently.
2759 target_configargs="--cache-file=./config.cache ${target_configargs}"
2762 case " $target_configdirs " in
2764 case " $target_configargs " in
2765 *" --with-newlib "*)
2768 FLAGS_FOR_TARGET=$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' ;;
2771 # If we're not building GCC, don't discard standard headers.
2772 if test -d ${srcdir}/gcc; then
2773 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2775 if test "${build}" != "${host}"; then
2776 # On Canadian crosses, CC_FOR_TARGET will have already been set
2777 # by `configure', so we won't have an opportunity to add -Bgcc/
2778 # to it. This is right: we don't want to search that directory
2779 # for binaries, but we want the header files in there, so add
2781 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2783 # Someone might think of using the pre-installed headers on
2784 # Canadian crosses, in case the installed compiler is not fully
2785 # compatible with the compiler being built. In this case, it
2786 # would be better to flag an error than risking having
2787 # incompatible object files being constructed. We can't
2788 # guarantee that an error will be flagged, but let's hope the
2789 # compiler will do it, when presented with incompatible header
2794 case "${target}-${is_cross_compiler}" in
2795 i[[3456789]]86-*-linux*-no)
2796 # Here host == target, so we don't need to build gcc,
2797 # so we don't want to discard standard headers.
2798 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2801 # If we're building newlib, use its generic headers last, but search
2802 # for any libc-related directories first (so make it the last -B
2804 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2806 # If we're building libgloss, find the startup file, simulator library
2807 # and linker script.
2808 case " $target_configdirs " in
2810 # Look for startup file, simulator library and maybe linker script.
2811 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2812 # Look for libnosys.a in case the target needs it.
2813 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2814 # Most targets have the linker script in the source directory.
2815 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2826 # Can't be handled as Cygwin above since Mingw does not use newlib.
2827 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
2830 # Allow the user to override the flags for
2831 # our build compiler if desired.
2832 if test x"${build}" = x"${host}" ; then
2833 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2834 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2835 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2838 # On Canadian crosses, we'll be searching the right directories for
2839 # the previously-installed cross compiler, so don't bother to add
2840 # flags for directories within the install tree of the compiler
2841 # being built; programs in there won't even run.
2842 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2843 # Search for pre-installed headers if nothing else fits.
2844 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2847 if test "x${use_gnu_ld}" = x &&
2848 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2849 # Arrange for us to find uninstalled linker scripts.
2850 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2853 # Search for other target-specific linker scripts and such.
2856 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2860 # Makefile fragments.
2861 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2863 eval fragval=\$$frag
2864 if test $fragval != /dev/null; then
2865 eval $frag=${srcdir}/$fragval
2868 AC_SUBST_FILE(host_makefile_frag)
2869 AC_SUBST_FILE(target_makefile_frag)
2870 AC_SUBST_FILE(alphaieee_frag)
2871 AC_SUBST_FILE(ospace_frag)
2873 # Miscellanea: directories, flags, etc.
2874 AC_SUBST(RPATH_ENVVAR)
2875 AC_SUBST(GCC_SHLIB_SUBDIR)
2877 AC_SUBST(build_tooldir)
2878 AC_SUBST(CONFIGURE_GDB_TK)
2880 AC_SUBST(INSTALL_GDB_TK)
2882 # Build module lists & subconfigure args.
2883 AC_SUBST(build_configargs)
2884 AC_SUBST(build_configdirs)
2886 # Host module lists & subconfigure args.
2887 AC_SUBST(host_configargs)
2888 AC_SUBST(configdirs)
2890 # Target module lists & subconfigure args.
2891 AC_SUBST(target_configargs)
2895 AC_SUBST(AR_FOR_BUILD)
2896 AC_SUBST(AS_FOR_BUILD)
2897 AC_SUBST(CC_FOR_BUILD)
2898 AC_SUBST(CFLAGS_FOR_BUILD)
2899 AC_SUBST(CXXFLAGS_FOR_BUILD)
2900 AC_SUBST(CXX_FOR_BUILD)
2901 AC_SUBST(DLLTOOL_FOR_BUILD)
2902 AC_SUBST(GCJ_FOR_BUILD)
2903 AC_SUBST(GFORTRAN_FOR_BUILD)
2904 AC_SUBST(LDFLAGS_FOR_BUILD)
2905 AC_SUBST(LD_FOR_BUILD)
2906 AC_SUBST(NM_FOR_BUILD)
2907 AC_SUBST(RANLIB_FOR_BUILD)
2908 AC_SUBST(WINDMC_FOR_BUILD)
2909 AC_SUBST(WINDRES_FOR_BUILD)
2910 AC_SUBST(config_shell)
2912 # Generate default definitions for YACC, M4, LEX and other programs that run
2913 # on the build machine. These are used if the Makefile can't locate these
2914 # programs in objdir.
2915 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2917 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2918 case " $build_configdirs " in
2919 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2920 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2923 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2924 case " $build_configdirs " in
2925 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2928 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2929 case " $build_configdirs " in
2930 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2933 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2934 case " $build_configdirs " in
2935 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2936 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2939 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2940 case " $build_configdirs " in
2941 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2944 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2945 case " $build_configdirs " in
2946 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2949 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2950 # higher, else we use the "missing" dummy.
2951 if ${MAKEINFO} --version \
2952 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2955 MAKEINFO="$MISSING makeinfo"
2961 # FIXME: expect and dejagnu may become build tools?
2963 AC_CHECK_PROGS(EXPECT, expect, expect)
2964 case " $configdirs " in
2966 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2970 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2971 case " $configdirs " in
2973 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2979 NCN_STRICT_CHECK_TOOLS(AR, ar)
2980 NCN_STRICT_CHECK_TOOLS(AS, as)
2981 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2982 NCN_STRICT_CHECK_TOOLS(LD, ld)
2983 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2984 NCN_STRICT_CHECK_TOOLS(NM, nm)
2985 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2986 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2987 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2988 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
2989 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2990 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2997 AC_ARG_WITH([build-time-tools],
2998 [ --with-build-time-tools=PATH
2999 use given path to find target tools during the build],
3000 [case x"$withval" in
3003 with_build_time_tools=
3004 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3007 [with_build_time_tools=])
3009 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3010 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3011 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3012 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3013 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3015 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3016 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3017 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3018 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3019 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3020 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3021 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3022 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
3023 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3024 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3025 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3027 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3029 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3030 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3031 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3032 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3033 [gcc/g++ -B$$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],
3035 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3036 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3038 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3039 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3040 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3041 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3042 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3043 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3044 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3045 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3046 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3047 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3048 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3049 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3050 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3051 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3053 AC_SUBST(FLAGS_FOR_TARGET)
3054 AC_SUBST(RAW_CXX_FOR_TARGET)
3056 # Certain tools may need extra flags.
3057 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3058 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3059 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3061 # When building target libraries, except in a Canadian cross, we use
3062 # the same toolchain as the compiler we just built.
3063 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3064 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3065 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3066 if test $host = $build; then
3067 case " $configdirs " in
3069 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3070 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3071 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3076 AC_SUBST(COMPILER_AS_FOR_TARGET)
3077 AC_SUBST(COMPILER_LD_FOR_TARGET)
3078 AC_SUBST(COMPILER_NM_FOR_TARGET)
3080 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3081 AC_ARG_ENABLE(maintainer-mode,
3082 [ --enable-maintainer-mode enable make rules and dependencies not useful
3083 (and sometimes confusing) to the casual installer],
3084 USE_MAINTAINER_MODE=$enableval,
3085 USE_MAINTAINER_MODE=no)
3086 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3087 AC_SUBST(MAINTAINER_MODE_TRUE)
3088 AC_SUBST(MAINTAINER_MODE_FALSE)
3089 if test "$USE_MAINTAINER_MODE" = yes; then
3090 MAINTAINER_MODE_TRUE=
3091 MAINTAINER_MODE_FALSE='#'
3093 MAINTAINER_MODE_TRUE='#'
3094 MAINTAINER_MODE_FALSE=
3096 MAINT=$MAINTAINER_MODE_TRUE
3099 # ---------------------
3100 # GCC bootstrap support
3101 # ---------------------
3103 # Stage specific cflags for build.
3108 yes) stage1_cflags="-g -Wa,-J" ;;
3109 *) stage1_cflags="-g -J" ;;
3113 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3114 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3115 saved_CFLAGS="$CFLAGS"
3117 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3118 CFLAGS="$CFLAGS -fkeep-inline-functions"
3119 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3121 #if (__GNUC__ < 3) \
3122 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3123 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3124 #error http://gcc.gnu.org/PR29382
3127 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3128 [AC_MSG_RESULT([no])])
3130 CFLAGS="$saved_CFLAGS"
3133 AC_SUBST(stage1_cflags)
3135 # Enable --enable-checking in stage1 of the compiler.
3136 AC_ARG_ENABLE(stage1-checking,
3137 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3139 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3140 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3141 stage1_checking=--enable-checking=yes,types
3143 stage1_checking=--enable-checking=$enable_checking,types
3145 AC_SUBST(stage1_checking)
3147 # Enable -Werror in bootstrap stage2 and later.
3148 AC_ARG_ENABLE(werror,
3149 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3150 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3155 case ${enable_werror} in
3156 yes) stage2_werror_flag="--enable-werror-always" ;;
3157 *) stage2_werror_flag="" ;;
3159 AC_SUBST(stage2_werror_flag)
3161 # Specify what files to not compare during bootstrap.
3163 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3165 hppa*64*-*-hpux*) ;;
3166 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3168 AC_SUBST(compare_exclusions)