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)
25 m4_include([libtool.m4])
26 m4_include([ltoptions.m4])
27 m4_include([ltsugar.m4])
28 m4_include([ltversion.m4])
29 m4_include([lt~obsolete.m4])
31 AC_INIT(move-if-change)
33 AC_DISABLE_OPTION_CHECKING
36 # if PWD already has a value, it is probably wrong.
37 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
39 # Export original configure arguments for use by sub-configures.
40 # Quote arguments with shell meta charatcers.
41 TOPLEVEL_CONFIGURE_ARGUMENTS=
42 set -- "$progname" "$@"
46 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
47 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
48 # if the argument is of the form -foo=baz, quote the baz part only
49 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
52 # Add the quoted argument to the list.
53 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
55 if test "$silent" = yes; then
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
58 # Remove the initial space we just introduced and, as these will be
59 # expanded by make, quote '$'.
60 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
61 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
63 # Find the build, host, and target systems.
64 ACX_NONCANONICAL_BUILD
66 ACX_NONCANONICAL_TARGET
68 dnl Autoconf 2.5x and later will set a default program prefix if
69 dnl --target was used, even if it was the same as --host. Disable
70 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
72 test "$host_noncanonical" = "$target_noncanonical" &&
73 test "$program_prefix$program_suffix$program_transform_name" = \
75 program_transform_name=s,y,y,
80 m4_pattern_allow([^AS_FOR_TARGET$])dnl
81 m4_pattern_allow([^AS_FOR_BUILD$])dnl
83 # Get 'install' or 'install-sh' and its variants.
90 ### we might need to use some other shell than /bin/sh for running subshells
91 ### If we are on Windows, search for the shell. This will permit people
92 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
93 ### without also having to set CONFIG_SHELL. This code will work when
94 ### using bash, which sets OSTYPE.
97 if test x${CONFIG_SHELL} = x ; then
98 if test ! -f /bin/sh ; then
99 if test x${SHELL} != x && test -f ${SHELL} ; then
100 CONFIG_SHELL=${SHELL}
103 for prog in sh sh.exe bash bash.exe; do
104 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
106 test -z "$dir" && dir=.
107 if test -f $dir/$prog; then
108 CONFIG_SHELL=$dir/$prog
114 test -n "${CONFIG_SHELL}" && break
122 config_shell=${CONFIG_SHELL-/bin/sh}
124 moveifchange=${srcdir}/move-if-change
126 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
128 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
130 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
131 INSTALL="${srcpwd}/install-sh -c"
134 # Set srcdir to "." if that's what it is.
135 # This is important for multilib support.
137 if test "${pwd}" = "${srcpwd}" ; then
145 ### To add a new directory to the tree, first choose whether it is a target
146 ### or a host dependent tool. Then put it into the appropriate list
147 ### (library or tools, host or target), doing a dependency sort.
149 # Subdirs will be configured in the order listed in build_configdirs,
150 # configdirs, or target_configdirs; see the serialization section below.
152 # Dependency sorting is only needed when *configuration* must be done in
153 # a particular order. In all cases a dependency should be specified in
154 # the Makefile, whether or not it's implicitly specified here.
156 # Double entries in build_configdirs, configdirs, or target_configdirs may
157 # cause circular dependencies and break everything horribly.
159 # these library is used by various programs built for the build
162 build_libs="build-libiberty"
164 # these tools are built for the build environment
165 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
167 # these libraries are used by various programs built for the host environment
169 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
171 # these tools are built for the host environment
172 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
173 # know that we are building the simulator.
174 # binutils, gas and ld appear in that order because it makes sense to run
175 # "make check" in that particular order.
176 # If --enable-gold is used, "gold" will replace "ld".
177 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"
179 # libgcj represents the runtime libraries only used by gcj.
180 libgcj="target-libffi \
185 # these libraries are built for the target environment, and are built after
186 # the host libraries and the host tools (which may be a cross compiler)
188 target_libraries="target-libgcc \
193 target-libstdc++-v3 \
202 # these tools are built using the target libraries, and are intended to
203 # run only in the target environment
205 # note: any program that *uses* libraries that are in the "target_libraries"
206 # list belongs in this list. those programs are also very likely
207 # candidates for the "native_only" list which follows
209 target_tools="target-examples target-groff target-gperf target-rda"
211 ################################################################################
213 ## All tools belong in one of the four categories, and are assigned above
214 ## We assign ${configdirs} this way to remove all embedded newlines. This
215 ## is important because configure will choke if they ever get through.
216 ## ${configdirs} is directories we build using the host tools.
217 ## ${target_configdirs} is directories we build using the target tools.
218 configdirs=`echo ${host_libs} ${host_tools}`
219 target_configdirs=`echo ${target_libraries} ${target_tools}`
220 build_configdirs=`echo ${build_libs} ${build_tools}`
222 m4_divert_text([PARSE_ARGS],
223 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
226 ################################################################################
228 srcname="gnu development package"
230 # This gets set non-empty for some net releases of packages.
233 # Define is_cross_compiler to save on calls to 'test'.
235 if test x"${host}" = x"${target}" ; then
238 is_cross_compiler=yes
241 # Find the build and target subdir names.
243 # Be sure to cover against remnants of an in-tree build.
244 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
245 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
246 Use a pristine source tree when building in a separate tree])
249 # Skipdirs are removed silently.
251 # Noconfigdirs are removed loudly.
255 # Make sure we don't let GNU ld be added if we didn't want it.
256 if test x$with_gnu_ld = xno ; then
258 noconfigdirs="$noconfigdirs ld gold"
262 # Make sure we don't let GNU as be added if we didn't want it.
263 if test x$with_gnu_as = xno ; then
265 noconfigdirs="$noconfigdirs gas"
269 # Make sure we don't let ZLIB be added if we didn't want it.
270 if test x$with_system_zlib = xyes ; then
272 noconfigdirs="$noconfigdirs zlib"
275 # some tools are so dependent upon X11 that if we're not building with X,
276 # it's not even worth trying to configure, much less build, that tool.
279 yes | "") ;; # the default value for this tree is that X11 is available
281 skipdirs="${skipdirs} tk itcl libgui"
282 # We won't be able to build gdbtk without X.
285 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
288 # Some tools are only suitable for building in a "native" situation.
289 # Remove these if host!=target.
290 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"
292 # Similarly, some are only suitable for cross toolchains.
293 # Remove these if host=target.
294 cross_only="target-libgloss target-newlib target-opcodes"
296 case $is_cross_compiler in
297 no) skipdirs="${skipdirs} ${cross_only}" ;;
298 yes) skipdirs="${skipdirs} ${native_only}" ;;
301 # If both --with-headers and --with-libs are specified, default to
303 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
304 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
305 if test x"${with_newlib}" = x ; then
310 # Recognize --with-newlib/--without-newlib.
311 case ${with_newlib} in
312 no) skipdirs="${skipdirs} target-newlib" ;;
313 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
316 # Handle --enable-gold.
319 [ --enable-gold use gold instead of ld],
320 ENABLE_GOLD=$enableval,
322 if test "${ENABLE_GOLD}" = "yes"; then
323 # Check for ELF target.
326 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
327 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
328 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
330 *-*-linux*aout* | *-*-linux*oldld*)
338 if test "$is_elf" = "yes"; then
339 # Check for target supported by gold.
341 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
342 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
348 # Configure extra directories which are host specific
352 configdirs="$configdirs libtermcap" ;;
355 # A target can indicate whether a language isn't supported for some reason.
356 # Only spaces may be used in this macro; not newlines or tabs.
357 unsupported_languages=
359 # Remove more programs from consideration, based on the host or
360 # target this usually means that a port of the program doesn't
365 noconfigdirs="$noconfigdirs byacc"
367 i[[3456789]]86-*-vsta)
368 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
370 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
371 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
374 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
376 i[[3456789]]86-*-mingw32*)
377 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
378 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
380 i[[3456789]]86-*-beos*)
381 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
384 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
387 noconfigdirs="$noconfigdirs rcs"
390 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
393 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
398 AC_ARG_ENABLE(libada,
399 [ --enable-libada build libada directory],
400 ENABLE_LIBADA=$enableval,
402 if test "${ENABLE_LIBADA}" != "yes" ; then
403 noconfigdirs="$noconfigdirs gnattools"
406 AC_ARG_ENABLE(libssp,
407 [ --enable-libssp build libssp directory],
408 ENABLE_LIBSSP=$enableval,
411 # Save it here so that, even in case of --enable-libgcj, if the Java
412 # front-end isn't enabled, we still get libgcj disabled.
414 case $enable_libgcj in
416 # If we reset it here, it won't get added to noconfigdirs in the
417 # target-specific build rules, so it will be forcibly enabled
418 # (unless the Java language itself isn't enabled).
422 # Make sure we get it printed in the list of not supported target libs.
423 noconfigdirs="$noconfigdirs ${libgcj}"
428 # Disable libmudflap on some systems.
429 if test x$enable_libmudflap = x ; then
431 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
432 # Enable libmudflap by default in GNU and friends.
435 # Enable libmudflap by default in FreeBSD.
438 # Disable it by default everywhere else.
439 noconfigdirs="$noconfigdirs target-libmudflap"
444 # Disable libgomp on non POSIX hosted systems.
445 if test x$enable_libgomp = x ; then
446 # Enable libgomp by default on hosted POSIX systems.
448 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
450 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
452 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
454 *-*-darwin* | *-*-aix*)
457 noconfigdirs="$noconfigdirs target-libgomp"
462 # Default libgloss CPU subdirectory.
463 libgloss_dir="$target_cpu"
467 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
470 noconfigdirs="$noconfigdirs ld gas gdb gprof"
471 noconfigdirs="$noconfigdirs sim target-rda"
473 i[[3456789]]86-*-darwin*)
474 noconfigdirs="$noconfigdirs ld gprof"
475 noconfigdirs="$noconfigdirs sim target-rda"
477 x86_64-*-darwin[[912]]*)
478 noconfigdirs="$noconfigdirs ld gas gprof"
479 noconfigdirs="$noconfigdirs sim target-rda"
482 noconfigdirs="$noconfigdirs ld gas gdb gprof"
483 noconfigdirs="$noconfigdirs sim target-rda"
484 noconfigdirs="$noconfigdirs ${libgcj}"
486 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
487 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
490 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
491 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
492 && test -f /usr/local/include/gmp.h; then
496 # Skip some stuff that's unsupported on some FreeBSD configurations.
501 noconfigdirs="$noconfigdirs ${libgcj}"
506 # Remove unsupported stuff on all kaOS configurations.
507 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
508 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
509 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
510 noconfigdirs="$noconfigdirs target-libgloss"
513 # Skip some stuff on all NetBSD configurations.
514 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
516 # Skip some stuff that's unsupported on some NetBSD configurations.
518 i*86-*-netbsdelf*) ;;
519 arm*-*-netbsdelf*) ;;
521 noconfigdirs="$noconfigdirs ${libgcj}"
526 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
529 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
531 # The tpf target doesn't support gdb yet.
533 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
536 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
539 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
542 # ld works, but does not support shared libraries.
543 # newlib is not 64 bit ready. I'm not sure about fileutils.
544 # gas doesn't generate exception information.
545 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
548 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
551 # newlib is not 64 bit ready
552 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
555 # newlib is not 64 bit ready
556 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
559 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
562 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
564 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
565 noconfigdirs="$noconfigdirs ${libgcj}"
566 noconfigdirs="$noconfigdirs target-examples"
567 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
568 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
569 noconfigdirs="$noconfigdirs expect dejagnu"
570 # the C++ libraries don't build on top of CE's C libraries
571 noconfigdirs="$noconfigdirs target-libstdc++-v3"
572 noconfigdirs="$noconfigdirs target-newlib"
574 *-*-cygwin*) ;; # keep gdb and readline
575 *) noconfigdirs="$noconfigdirs gdb readline"
581 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
585 arm-*-coff | strongarm-*-coff | xscale-*-coff)
586 noconfigdirs="$noconfigdirs ${libgcj}"
589 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
590 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
593 arm*-*-linux-gnueabi)
594 noconfigdirs="$noconfigdirs target-qthreads"
595 case ${with_newlib} in
596 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
601 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
605 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
608 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
611 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
614 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
617 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
620 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
623 unsupported_languages="$unsupported_languages java"
624 noconfigdirs="$noconfigdirs target-boehm-gc gdb"
625 if test x${is_cross_compiler} != xno ; then
626 target_configdirs="${target_configdirs} target-bsp target-cygmon"
630 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
632 c54x*-*-* | tic54x-*-*)
633 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
636 noconfigdirs="$noconfigdirs ${libgcj} gdb"
638 cris-*-* | crisv32-*-*)
639 unsupported_languages="$unsupported_languages java"
642 unsupported_languages="$unsupported_languages fortran"
643 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
645 noconfigdirs="$noconfigdirs target-boehm-gc";;
647 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
649 unsupported_languages="$unsupported_languages fortran"
650 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
655 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
658 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
661 noconfigdirs="$noconfigdirs ${libgcj} gdb"
663 ep9312-*-elf | ep9312-*-coff)
667 noconfigdirs="$noconfigdirs ${libgcj} gdb"
670 noconfigdirs="$noconfigdirs ${libgcj}"
673 noconfigdirs="$noconfigdirs ${libgcj}"
674 noconfigdirs="$noconfigdirs gprof"
677 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
680 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
682 hppa1.1-*-osf* | hppa1.1-*-bsd* )
684 hppa*64*-*-linux* | parisc*64*-*-linux*)
685 # In this case, it's because the hppa64-linux target is for
686 # the kernel only at this point and has no libc, and thus no
687 # headers, crt*.o, etc., all of which are needed by these.
688 noconfigdirs="$noconfigdirs target-zlib"
690 parisc*-*-linux* | hppa*-*-linux*)
696 noconfigdirs="$noconfigdirs ${libgcj}"
699 noconfigdirs="$noconfigdirs ld shellutils"
705 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
706 # build on HP-UX 10.20.
707 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
710 noconfigdirs="$noconfigdirs ${libgcj} gdb"
713 # No gdb support yet.
714 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
717 # No gdb or ld support yet.
718 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
721 # No gdb or ld support yet.
722 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
726 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
727 noconfigdirs="$noconfigdirs ${libgcj}"
730 i[[3456789]]86-*-linux*)
731 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
732 # not build java stuff by default.
735 noconfigdirs="$noconfigdirs ${libgcj}";;
738 # This section makes it possible to build newlib natively on linux.
739 # If we are using a cross compiler then don't configure newlib.
740 if test x${is_cross_compiler} != xno ; then
741 noconfigdirs="$noconfigdirs target-newlib"
743 noconfigdirs="$noconfigdirs target-libgloss"
744 # If we are not using a cross compiler, do configure newlib.
745 # Note however, that newlib will only be configured in this situation
746 # if the --with-newlib option has been given, because otherwise
747 # 'target-newlib' will appear in skipdirs.
749 i[[3456789]]86-w64-mingw*)
750 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
752 i[[3456789]]86-*-mingw*)
753 target_configdirs="$target_configdirs target-winsup"
754 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
757 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
760 target_configdirs="$target_configdirs target-libtermcap target-winsup"
761 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
762 # always build newlib if winsup directory is present.
763 if test -d "$srcdir/winsup/cygwin"; then
764 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
765 elif test -d "$srcdir/newlib"; then
766 echo "Warning: winsup/cygwin is missing so newlib can't be built."
769 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
770 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
773 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
775 i[[3456789]]86-*-sco3.2v5*)
776 # The linker does not yet know about weak symbols in COFF,
777 # and is not configured to handle mixed ELF and COFF.
778 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
780 i[[3456789]]86-*-sco*)
781 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
783 i[[3456789]]86-*-solaris2*)
784 noconfigdirs="$noconfigdirs target-libgloss"
786 i[[3456789]]86-*-sysv4*)
787 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
789 i[[3456789]]86-*-beos*)
790 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
792 i[[3456789]]86-*-rdos*)
793 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
796 noconfigdirs="$noconfigdirs ${libgcj}"
798 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
799 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
803 noconfigdirs="$noconfigdirs ${libgcj}"
806 noconfigdirs="$noconfigdirs ${libgcj}"
812 # The EPOC C++ environment does not support exceptions or rtti,
813 # and so building libstdc++-v3 tends not to always work.
814 noconfigdirs="$noconfigdirs target-libstdc++-v3"
817 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
818 unsupported_languages="$unsupported_languages fortran java"
821 noconfigdirs="$noconfigdirs ${libgcj}"
824 noconfigdirs="$noconfigdirs ${libgcj}"
827 noconfigdirs="$noconfigdirs sim"
830 # copied from rs6000-*-* entry
831 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
833 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
834 target_configdirs="$target_configdirs target-winsup"
835 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
836 # always build newlib.
837 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
839 # This is temporary until we can link against shared libraries
840 powerpcle-*-solaris*)
841 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
845 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
848 noconfigdirs="$noconfigdirs ${libgcj}"
851 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
855 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
858 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
861 noconfigdirs="$noconfigdirs gprof ${libgcj}"
864 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
867 noconfigdirs="$noconfigdirs gprof ${libgcj}"
870 skipdirs="$skipdirs target-libiberty"
871 noconfigdirs="$noconfigdirs ${libgcj}"
872 if test x$with_newlib = xyes; then
873 noconfigdirs="$noconfigdirs gprof"
878 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
881 # Linking libjava exceeds command-line length limits on at least
882 # IRIX 6.2, but not on IRIX 6.5.
883 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
884 # <oldham@codesourcery.com>
885 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
888 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 noconfigdirs="$noconfigdirs gprof ${libgcj}"
898 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
902 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
903 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
904 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
905 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
909 noconfigdirs="$noconfigdirs ${libgcj}" ;;
911 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
914 sparclet-*-aout* | sparc86x-*-*)
918 noconfigdirs="$noconfigdirs ${libgcj}"
921 noconfigdirs="$noconfigdirs ${libgcj}"
925 noconfigdirs="$noconfigdirs ${libgcj}"
929 noconfigdirs="$noconfigdirs ${libgcj}"
930 if test x${is_cross_compiler} != xno ; then
931 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
936 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
937 noconfigdirs="$noconfigdirs ${libgcj}"
939 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
942 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
945 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
948 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
951 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
954 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
957 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
960 noconfigdirs="$noconfigdirs ${libgcj}"
963 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
965 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
966 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
969 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
972 noconfigdirs="$noconfigdirs ${libgcj}"
976 # If we aren't building newlib, then don't build libgloss, since libgloss
977 # depends upon some newlib header files.
978 case "${noconfigdirs}" in
979 *target-libgloss*) ;;
980 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
983 # Work in distributions that contain no compiler tools, like Autoconf.
985 host_makefile_frag=/dev/null
986 if test -d ${srcdir}/config ; then
989 # Avoid "too much defining" errors from HPUX compiler.
990 tentative_cc="cc -Wp,-H256000"
991 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
992 # If it's HP/UX ar, this should be harmless.
996 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
999 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1000 # chokes on bfd, the compiler won't let you assign integers to enums, and
1001 # other problems. Defining CC to gcc is a questionable way to say "don't use
1002 # the apollo compiler" (the preferred version of GCC could be called cc,
1003 # or whatever), but I'm not sure leaving CC as cc is any better...
1004 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1005 # Used to have BISON=yacc.
1009 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1012 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1013 tentative_cc="cc -Xa"
1014 host_makefile_frag="config/mh-cxux"
1016 m88k-motorola-sysv*)
1019 tentative_cc="cc -Wf,-XNg1000"
1020 host_makefile_frag="config/mh-decstation"
1023 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1024 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1025 host_makefile_frag="config/mh-necv4"
1028 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1029 # environment. Also bump switch table size so that cp-parse will
1030 # compile. Bump string length limit so linker builds.
1031 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1034 host_makefile_frag="config/mh-sysv4"
1037 # This is for a MIPS running RISC/os 4.52C.
1039 # This is needed for GDB, but needs to be in the top-level make because
1040 # if a library is compiled with the bsd headers and gets linked with the
1041 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1042 # a different size).
1043 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1044 # known except to select the sysv environment. Could we use /proc instead?
1045 # These "sysv environments" and "bsd environments" often end up being a pain.
1047 # This is not part of CFLAGS because perhaps not all C compilers have this
1049 tentative_cc="cc -systype sysv"
1054 i[[3456789]]86-*-sysv5*)
1055 host_makefile_frag="config/mh-sysv5"
1057 i[[3456789]]86-*-dgux*)
1058 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1059 host_makefile_frag="config/mh-dgux386"
1061 i[[3456789]]86-ncr-sysv4.3*)
1062 # The MetaWare compiler will generate a copyright message unless you
1063 # turn it off by adding the -Hnocopyr flag.
1064 tentative_cc="cc -Hnocopyr"
1066 i[[3456789]]86-ncr-sysv4*)
1067 # for an NCR 3000 (i486/SVR4) system.
1068 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1069 # This compiler not only emits obnoxious copyright messages every time
1070 # you run it, but it chokes and dies on a whole bunch of GNU source
1071 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1072 tentative_cc="/usr/ccs/ATT/cc"
1073 host_makefile_frag="config/mh-ncr3000"
1075 i[[3456789]]86-*-sco3.2v5*)
1077 i[[3456789]]86-*-sco*)
1078 # The native C compiler botches some simple uses of const. Unfortunately,
1079 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1080 tentative_cc="cc -Dconst="
1081 host_makefile_frag="config/mh-sco"
1083 i[[3456789]]86-*-udk*)
1084 host_makefile_frag="config/mh-sysv5"
1086 i[[3456789]]86-*-solaris2*)
1087 host_makefile_frag="config/mh-sysv4"
1089 i[[3456789]]86-*-msdosdjgpp*)
1090 host_makefile_frag="config/mh-djgpp"
1093 ACX_CHECK_CYGWIN_CAT_WORKS
1094 host_makefile_frag="config/mh-cygwin"
1097 host_makefile_frag="config/mh-mingw"
1100 host_makefile_frag="config/mh-interix"
1103 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1107 host_makefile_frag="config/mh-solaris"
1110 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1111 # without overflowing the jump tables (-J says to use a 32 bit table)
1112 tentative_cc="cc -J"
1115 tentative_cc="cc -Wp,-H256000"
1116 host_makefile_frag="config/mh-pa-hpux10"
1118 hppa*-hp-hpux* | hppa*-*-hiux*)
1119 tentative_cc="cc -Wp,-H256000"
1120 host_makefile_frag="config/mh-pa"
1123 host_makefile_frag="config/mh-pa"
1125 *-hp-hpux* | *-*-hiux*)
1126 tentative_cc="cc -Wp,-H256000"
1129 # /bin/cc is less than useful for our purposes. Always use GCC
1130 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1131 host_makefile_frag="config/mh-lynxrs6k"
1134 host_makefile_frag="config/mh-ppc-darwin"
1137 host_makefile_frag="config/mh-ppc-aix"
1140 host_makefile_frag="config/mh-ppc-aix"
1143 # /bin/cc is less than useful for our purposes. Always use GCC
1144 tentative_cc="/bin/gcc"
1147 host_makefile_frag="config/mh-sysv4"
1149 # This is placed last to prevent interfering with the cases above.
1151 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1152 host_makefile_frag="config/mh-x86omitfp"
1157 # If we aren't going to be using gcc, see if we can extract a definition
1158 # of CC from the fragment.
1159 # Actually, use the 'pre-extracted' version above.
1160 if test -z "${CC}" && test "${build}" = "${host}" ; then
1161 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1163 for dir in $PATH; do
1164 test -z "$dir" && dir=.
1165 if test -f $dir/gcc; then
1171 if test -z "${found}" && test -n "${tentative_cc}" ; then
1176 if test "${build}" != "${host}" ; then
1177 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1178 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1179 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1180 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1181 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1182 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1183 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1184 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1185 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1186 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1187 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1188 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1190 AR_FOR_BUILD="\$(AR)"
1191 AS_FOR_BUILD="\$(AS)"
1192 CC_FOR_BUILD="\$(CC)"
1193 CXX_FOR_BUILD="\$(CXX)"
1194 GCJ_FOR_BUILD="\$(GCJ)"
1195 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1196 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1197 LD_FOR_BUILD="\$(LD)"
1198 NM_FOR_BUILD="\$(NM)"
1199 RANLIB_FOR_BUILD="\$(RANLIB)"
1200 WINDRES_FOR_BUILD="\$(WINDRES)"
1201 WINDMC_FOR_BUILD="\$(WINDMC)"
1207 # We must set the default linker to the linker used by gcc for the correct
1208 # operation of libtool. If LD is not defined and we are using gcc, try to
1209 # set the LD default to the ld used by gcc.
1210 if test -z "$LD"; then
1211 if test "$GCC" = yes; then
1214 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1216 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1218 case $gcc_prog_ld in
1219 # Accept absolute paths.
1220 [[\\/]* | [A-Za-z]:[\\/]*)]
1221 LD="$gcc_prog_ld" ;;
1227 ACX_PROG_CMP_IGNORE_INITIAL
1229 # See if we are building gcc with C++.
1230 AC_ARG_ENABLE(build-with-cxx,
1231 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1232 ENABLE_BUILD_WITH_CXX=$enableval,
1233 ENABLE_BUILD_WITH_CXX=no)
1235 # Used for setting $lt_cv_objdir
1238 # Check for GMP, MPFR and MPC
1239 gmplibs="-lmpc -lmpfr -lgmp"
1243 # Specify a location for mpc
1244 # check for this first so it ends up on the link line before mpfr.
1245 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1246 Equivalent to --with-mpc-include=PATH/include
1247 plus --with-mpc-lib=PATH/lib])
1248 AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1249 specify directory for installed MPC include files])
1250 AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1252 if test "x$with_mpc" != x; then
1253 gmplibs="-L$with_mpc/lib $gmplibs"
1254 gmpinc="-I$with_mpc/include $gmpinc"
1256 if test "x$with_mpc_include" != x; then
1257 gmpinc="-I$with_mpc_include $gmpinc"
1259 if test "x$with_mpc_lib" != x; then
1260 gmplibs="-L$with_mpc_lib $gmplibs"
1262 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1263 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1264 gmpinc='-I$$s/mpc/src '"$gmpinc"
1265 # Do not test the mpc version. Assume that it is sufficient, since
1266 # it is in the source tree, and the library has not been built yet
1267 # but it would be included on the link line in the version check below
1268 # hence making the test fail.
1272 # Specify a location for mpfr
1273 # check for this first so it ends up on the link line before gmp.
1274 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1275 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1276 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1278 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1279 Equivalent to --with-mpfr-include=PATH/include
1280 plus --with-mpfr-lib=PATH/lib])
1281 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1282 specify directory for installed MPFR include files])
1283 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1285 if test "x$with_mpfr" != x; then
1286 gmplibs="-L$with_mpfr/lib $gmplibs"
1287 gmpinc="-I$with_mpfr/include $gmpinc"
1289 if test "x$with_mpfr_include" != x; then
1290 gmpinc="-I$with_mpfr_include $gmpinc"
1292 if test "x$with_mpfr_lib" != x; then
1293 gmplibs="-L$with_mpfr_lib $gmplibs"
1295 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1296 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1297 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1298 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1299 # Do not test the mpfr version. Assume that it is sufficient, since
1300 # it is in the source tree, and the library has not been built yet
1301 # but it would be included on the link line in the version check below
1302 # hence making the test fail.
1306 # Specify a location for gmp
1307 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1308 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1309 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1311 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1312 Equivalent to --with-gmp-include=PATH/include
1313 plus --with-gmp-lib=PATH/lib])
1314 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1315 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1318 if test "x$with_gmp" != x; then
1319 gmplibs="-L$with_gmp/lib $gmplibs"
1320 gmpinc="-I$with_gmp/include $gmpinc"
1322 if test "x$with_gmp_include" != x; then
1323 gmpinc="-I$with_gmp_include $gmpinc"
1325 if test "x$with_gmp_lib" != x; then
1326 gmplibs="-L$with_gmp_lib $gmplibs"
1328 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1329 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1330 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1331 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1332 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1333 # Do not test the gmp version. Assume that it is sufficient, since
1334 # it is in the source tree, and the library has not been built yet
1335 # but it would be included on the link line in the version check below
1336 # hence making the test fail.
1340 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1342 saved_CFLAGS="$CFLAGS"
1343 CFLAGS="$CFLAGS $gmpinc"
1344 # Check for the recommended and required versions of GMP.
1345 AC_MSG_CHECKING([for the correct version of gmp.h])
1346 AC_TRY_COMPILE([#include "gmp.h"],[
1347 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1348 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1349 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
1352 ], AC_TRY_COMPILE([#include <gmp.h>],[
1353 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1354 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1355 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1358 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1359 [AC_MSG_RESULT([no]); have_gmp=no])
1361 # If we have GMP, check the MPFR version.
1362 if test x"$have_gmp" = xyes; then
1363 # Check for the recommended and required versions of MPFR.
1364 AC_MSG_CHECKING([for the correct version of mpfr.h])
1365 AC_TRY_COMPILE([#include <gmp.h>
1366 #include <mpfr.h>],[
1367 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1370 ], AC_TRY_COMPILE([#include <gmp.h>
1371 #include <mpfr.h>],[
1372 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1375 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1376 [AC_MSG_RESULT([no]); have_gmp=no])
1379 # Check for the MPC header version.
1380 if test x"$have_gmp" = xyes ; then
1381 # Check for the recommended and required versions of MPC.
1382 AC_MSG_CHECKING([for the correct version of mpc.h])
1383 AC_TRY_COMPILE([#include <mpc.h>],[
1384 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1387 ], AC_TRY_COMPILE([#include <mpc.h>],[
1388 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1391 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1392 [AC_MSG_RESULT([no]); have_gmp=no])
1395 # Now check the MPFR library.
1396 if test x"$have_gmp" = xyes; then
1398 LIBS="$LIBS $gmplibs"
1399 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1400 AC_TRY_LINK([#include <mpc.h>],[
1407 mpfr_atan2 (n, n, x, GMP_RNDN);
1408 mpfr_erfc (n, x, GMP_RNDN);
1409 mpfr_subnormalize (x, t, GMP_RNDN);
1413 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1414 mpc_cosh (c, c, MPC_RNDNN);
1415 mpc_pow (c, c, c, MPC_RNDNN);
1416 mpc_acosh (c, c, MPC_RNDNN);
1418 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1422 CFLAGS="$saved_CFLAGS"
1424 # The library versions listed in the error message below should match
1425 # the HARD-minimums enforced above.
1426 if test x$have_gmp != xyes; then
1427 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
1428 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1429 their locations. Source code for these libraries can be found at
1430 their respective hosting sites as well as at
1431 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1432 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1433 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1434 make sure that you have installed both the libraries and the header
1435 files. They may be located in separate packages.])
1439 # Flags needed for both GMP, MPFR and/or MPC.
1442 AC_SUBST(extra_mpfr_configure_flags)
1443 AC_SUBST(extra_mpc_gmp_configure_flags)
1444 AC_SUBST(extra_mpc_mpfr_configure_flags)
1446 # Allow host libstdc++ to be specified for static linking with PPL.
1447 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1448 when linking with PPL])
1450 case $with_host_libstdcxx in
1452 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1456 # Linker flags to use for stage1 or when not boostrapping.
1457 AC_ARG_WITH(stage1-ldflags,
1458 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1459 [if test "$withval" = "no" -o "$withval" = "yes"; then
1462 stage1_ldflags=$withval
1465 AC_SUBST(stage1_ldflags)
1467 # Libraries to use for stage1 or when not bootstrapping.
1468 AC_ARG_WITH(stage1-libs,
1469 [ -with-stage1-libs=LIBS Libraries for stage1],
1470 [if test "$withval" = "no" -o "$withval" = "yes"; then
1473 stage1_libs=$withval
1475 [stage1_libs=$with_host_libstdcxx])
1476 AC_SUBST(stage1_libs)
1478 # Linker flags to use for stage2 and later builds.
1479 AC_ARG_WITH(boot-ldflags,
1480 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1481 [if test "$withval" = "no" -o "$withval" = "yes"; then
1484 poststage1_ldflags=$withval
1486 [if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1487 poststage1_ldflags=-static-libstdc++
1491 AC_SUBST(poststage1_ldflags)
1493 # Libraries to use for stage2 and later builds. This defaults to the
1494 # argument passed to --with-host-libstdcxx.
1495 AC_ARG_WITH(boot-libs,
1496 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1497 [if test "$withval" = "no" -o "$withval" = "yes"; then
1500 poststage1_libs=$withval
1502 [poststage1_libs=$with_host_libstdcxx])
1503 AC_SUBST(poststage1_libs)
1507 ppl_minor_version=10
1508 ppllibs=" -lppl_c -lppl -lgmpxx"
1511 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1512 Equivalent to --with-ppl-include=PATH/include
1513 plus --with-ppl-lib=PATH/lib])
1514 AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1515 AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1524 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1525 pplinc="-I$with_ppl/include $pplinc"
1528 if test "x$with_ppl_include" != x; then
1529 pplinc="-I$with_ppl_include $pplinc"
1531 if test "x$with_ppl_lib" != x; then
1532 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1534 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1535 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"' -lppl_c -lppl -lgmpxx '
1536 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1537 enable_ppl_version_check=no
1540 AC_ARG_ENABLE(ppl-version-check,
1541 [ --disable-ppl-version-check disable check for PPL version],
1542 ENABLE_PPL_CHECK=$enableval,
1543 ENABLE_PPL_CHECK=yes)
1545 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
1546 saved_CFLAGS="$CFLAGS"
1547 CFLAGS="$CFLAGS $pplinc $gmpinc"
1548 AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
1549 AC_TRY_COMPILE([#include "ppl_c.h"],[
1550 #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
1553 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1554 CFLAGS="$saved_CFLAGS"
1557 # Flags needed for PPL
1563 clooglibs=" -lcloog "
1564 clooginc=" -DCLOOG_PPL_BACKEND "
1566 AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
1567 Equivalent to --with-cloog-include=PATH/include
1568 plus --with-cloog-lib=PATH/lib])
1569 AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
1570 AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
1572 if test "x$with_ppl" = "xno"; then
1584 clooglibs="-L$with_cloog/lib -lcloog"
1585 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1588 if test "x$with_cloog_include" != x; then
1589 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1591 if test "x$with_cloog_lib" != x; then
1592 clooglibs="-L$with_cloog_lib -lcloog"
1594 if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1595 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' -lcloog '
1596 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1597 enable_cloog_version_check=no
1600 AC_ARG_ENABLE(cloog-version-check,
1601 [ --disable-cloog-version-check disable check for CLooG version],
1602 ENABLE_CLOOG_CHECK=$enableval,
1603 ENABLE_CLOOG_CHECK=yes)
1605 if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then
1606 saved_CFLAGS="$CFLAGS"
1607 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1608 AC_MSG_CHECKING([for correct version of CLooG])
1609 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1610 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
1613 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1614 CFLAGS="$saved_CFLAGS"
1617 # Flags needed for CLOOG
1621 # Check for LTO support.
1623 [ --enable-lto enable link time optimization support],
1624 enable_lto=$enableval,
1625 enable_lto=yes; default_enable_lto=yes)
1627 if test x"$enable_lto" = x"yes" ; then
1628 # Make sure that libelf.h and gelf.h are available.
1629 AC_ARG_WITH(libelf, [ --with-libelf=PATH Specify prefix directory for the installed libelf package
1630 Equivalent to --with-libelf-include=PATH/include
1631 plus --with-libelf-lib=PATH/lib])
1633 AC_ARG_WITH(libelf_include, [ --with-libelf-include=PATH Specify directory for installed libelf include files])
1635 AC_ARG_WITH(libelf_lib, [ --with-libelf-lib=PATH Specify the directory for the installed libelf library])
1637 saved_CFLAGS="$CFLAGS"
1638 saved_CPPFLAGS="$CPPFLAGS"
1641 case $with_libelf in
1644 libelfinc="-I/usr/include/libelf"
1647 libelflibs="-L$with_libelf/lib -lelf"
1648 libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf"
1649 LIBS="$libelflibs $LIBS"
1653 if test "x$with_libelf_include" != x; then
1654 libelfinc="-I$with_libelf_include"
1657 if test "x$with_libelf_lib" != x; then
1658 libelflibs="-L$with_libelf_lib -lelf"
1659 LIBS="$libelflibs $LIBS"
1662 if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \
1663 && test -d ${srcdir}/libelf; then
1664 libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/lib -lelf '
1665 libelfinc='-D__LIBELF_INTERNAL__ -I$$r/$(HOST_SUBDIR)/libelf/lib -I$$s/libelf/lib'
1666 LIBS="$libelflibs $LIBS"
1670 CFLAGS="$CFLAGS $libelfinc"
1671 CPPFLAGS="$CPPFLAGS $libelfinc"
1672 LIBS="$LIBS $libelflibs"
1674 AC_CHECK_HEADERS(libelf.h, [have_libelf_h=yes])
1675 AC_CHECK_HEADERS(gelf.h, [have_gelf_h=yes])
1677 AC_CHECK_HEADERS(libelf/libelf.h, [have_libelf_libelf_h=yes])
1678 AC_CHECK_HEADERS(libelf/gelf.h, [have_libelf_gelf_h=yes])
1680 # If we couldn't find libelf.h and the user forced it, emit an error.
1681 if test x"$have_libelf_h" != x"yes" \
1682 && test x"$have_libelf_libelf_h" != x"yes" ; then
1683 if test x"$default_enable_lto" != x"yes" ; then
1684 AC_MSG_ERROR([LTO support requires libelf.h or libelf/libelf.h.])
1692 # If we couldn't find gelf.h and the user forced it, emit an error.
1693 if test x"$have_gelf_h" != x"yes" \
1694 && test x"$have_libelf_gelf_h" != x"yes" ; then
1695 if test x"$default_enable_lto" != x"yes" ; then
1696 AC_MSG_ERROR([LTO support requires gelf.h or libelf/gelf.h.])
1704 # Check that the detected libelf has the functions we need. We cannot
1705 # rely on just detecting the headers since they do not include
1706 # versioning information. Add functions, if needed.
1707 if test x"$enable_lto" = x"yes" ; then
1708 AC_MSG_CHECKING([for the correct version of libelf])
1710 [#include <libelf.h>],[
1714 elf_strptr (0, 0, 0);
1715 elf_getident (0, 0);
1716 elf_getshdrstrndx (0, 0);
1717 elf_begin (0, 0, 0);
1721 [AC_MSG_RESULT([yes]);],
1722 [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
1725 # If we couldn't enable LTO and the user forced it, emit an error.
1726 if test x"$enable_lto" = x"no" \
1727 && test x"$default_enable_lto" != x"yes" ; then
1728 AC_MSG_ERROR([To enable LTO, GCC requires libelf v0.8.12+.
1729 Try the --with-libelf, --with-libelf-include and --with-libelf-lib options
1730 to specify its location.])
1734 CFLAGS="$saved_CFLAGS"
1735 CPPFLAGS="$saved_CPPFLAGS"
1740 # Flags needed for libelf.
1741 AC_SUBST(libelflibs)
1746 # By default, C is the only stage 1 language.
1747 stage1_languages=,c,
1749 # Target libraries that we bootstrap.
1750 bootstrap_target_libs=,target-libgcc,
1752 # Figure out what language subdirectories are present.
1753 # Look if the user specified --enable-languages="..."; if not, use
1754 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1756 # NB: embedded tabs in this IF block -- do not untabify
1757 if test -d ${srcdir}/gcc; then
1758 if test x"${enable_languages+set}" != xset; then
1759 if test x"${LANGUAGES+set}" = xset; then
1760 enable_languages="${LANGUAGES}"
1761 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1763 enable_languages=all
1766 if test x"${enable_languages}" = x ||
1767 test x"${enable_languages}" = xyes;
1769 echo configure.in: --enable-languages needs at least one language argument 1>&2
1773 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1775 # 'f95' is the old name for the 'fortran' language. We issue a warning
1776 # and make the substitution.
1777 case ,${enable_languages}, in
1779 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1780 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1784 # First scan to see if an enabled language requires some other language.
1785 # We assume that a given config-lang.in will list all the language
1786 # front ends it requires, even if some are required indirectly.
1787 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1788 case ${lang_frag} in
1790 # The odd quoting in the next line works around
1791 # an apparent bug in bash 1.12 on linux.
1792 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1794 # From the config-lang.in, get $language, $lang_requires
1798 for other in ${lang_requires} ; do
1799 case ,${enable_languages}, in
1803 echo " \`$other' language required by \`$language'; enabling" 1>&2
1804 enable_languages="${enable_languages},${other}"
1812 new_enable_languages=,c,
1814 # If LTO is enabled, add the LTO front end.
1815 extra_host_libiberty_configure_flags=
1816 if test "$enable_lto" = "yes" ; then
1817 case ,${enable_languages}, in
1819 *) enable_languages="${enable_languages},lto" ;;
1821 if test "${ENABLE_GOLD}" = "yes" ; then
1822 configdirs="$configdirs lto-plugin"
1823 extra_host_libiberty_configure_flags=--enable-shared
1826 AC_SUBST(extra_host_libiberty_configure_flags)
1828 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1829 potential_languages=,c,
1831 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1832 case ${lang_frag} in
1834 # The odd quoting in the next line works around
1835 # an apparent bug in bash 1.12 on linux.
1836 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1838 # From the config-lang.in, get $language, $target_libs,
1839 # $lang_dirs, $boot_language, and $build_by_default
1845 build_by_default=yes
1847 if test x${language} = x; then
1848 echo "${lang_frag} doesn't set \$language." 1>&2
1852 if test "$language" = "c++" \
1853 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1857 case ,${enable_languages}, in
1859 # Language was explicitly selected; include it.
1863 # 'all' was selected, select it if it is a default language
1864 add_this_lang=${build_by_default}
1871 # Disable languages that need other directories if these aren't available.
1872 for i in $subdir_requires; do
1873 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1874 case ,${enable_languages}, in
1876 # Specifically requested language; tell them.
1877 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1881 add_this_lang=unsupported
1886 # Disable Ada if no preexisting GNAT is available.
1887 case ,${enable_languages},:${language}:${have_gnat} in
1888 *,${language},*:ada:no)
1889 # Specifically requested language; tell them.
1890 AC_MSG_ERROR([GNAT is required to build $language])
1894 add_this_lang=unsupported
1898 # Disable a language that is unsupported by the target.
1899 case " $unsupported_languages " in
1901 add_this_lang=unsupported
1905 case $add_this_lang in
1907 # Remove language-dependent dirs.
1908 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1911 # Remove language-dependent dirs; still show language as supported.
1912 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1913 potential_languages="${potential_languages}${language},"
1916 new_enable_languages="${new_enable_languages}${language},"
1917 potential_languages="${potential_languages}${language},"
1918 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1919 case "${boot_language}:,$enable_stage1_languages," in
1920 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1921 # Add to (comma-separated) list of stage 1 languages.
1922 case ",$stage1_languages," in
1923 *,$language,* | ,yes, | ,all,) ;;
1924 *) stage1_languages="${stage1_languages}${language}," ;;
1926 # We need to bootstrap any supporting libraries.
1927 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1936 AC_ARG_ENABLE(stage1-languages,
1937 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1938 stage1. Mostly useful for compiler development.],
1939 [case ,${enable_stage1_languages}, in
1941 # Set it to something that will have no effect in the loop below
1942 enable_stage1_languages=c ;;
1944 enable_stage1_languages=`echo $new_enable_languages | \
1945 sed -e "s/^,//" -e "s/,$//" ` ;;
1947 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1948 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1951 # Add "good" languages from enable_stage1_languages to stage1_languages,
1952 # while "bad" languages go in missing_languages. Leave no duplicates.
1953 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1954 case $potential_languages in
1956 case $stage1_languages in
1958 *) stage1_languages="$stage1_languages$i," ;;
1961 case $missing_languages in
1963 *) missing_languages="$missing_languages$i," ;;
1968 # Remove leading/trailing commas that were added for simplicity
1969 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1970 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1971 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1972 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1974 if test "x$missing_languages" != x; then
1976 The following requested languages could not be built: ${missing_languages}
1977 Supported languages are: ${potential_languages}])
1979 if test "x$new_enable_languages" != "x$enable_languages"; then
1980 echo The following languages will be built: ${new_enable_languages}
1981 enable_languages="$new_enable_languages"
1984 AC_SUBST(stage1_languages)
1985 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1988 # Handle --disable-<component> generically.
1989 for dir in $configdirs $build_configdirs $target_configdirs ; do
1990 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1991 varname=`echo $dirname | sed -e s/+/_/g`
1992 if eval test x\${enable_${varname}} "=" xno ; then
1993 noconfigdirs="$noconfigdirs $dir"
1997 # Check for Boehm's garbage collector
1998 AC_ARG_ENABLE(objc-gc,
1999 [ --enable-objc-gc enable use of Boehm's garbage collector with the
2000 GNU Objective-C runtime],
2001 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2002 *,objc,*:*:yes:*target-boehm-gc*)
2003 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2007 # Make sure we only build Boehm's garbage collector if required.
2008 case ,${enable_languages},:${enable_objc_gc} in
2010 # Keep target-boehm-gc if requested for Objective-C.
2013 # Otherwise remove target-boehm-gc depending on target-libjava.
2014 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2015 noconfigdirs="$noconfigdirs target-boehm-gc"
2020 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2021 # $build_configdirs and $target_configdirs.
2022 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2025 for dir in . $skipdirs $noconfigdirs ; do
2026 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2027 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2028 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2029 if test -r $srcdir/$dirname/configure ; then
2030 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2033 notsupp="$notsupp $dir"
2037 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2038 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2039 if test -r $srcdir/$dirname/configure ; then
2040 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2043 notsupp="$notsupp $dir"
2047 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2048 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2049 if test -r $srcdir/$dirname/configure ; then
2050 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2053 notsupp="$notsupp $dir"
2059 # Sometimes the tools are distributed with libiberty but with no other
2060 # libraries. In that case, we don't want to build target-libiberty.
2061 # Don't let libgcc imply libiberty either.
2062 if test -n "${target_configdirs}" ; then
2065 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
2066 if test "$i" = "libgcc"; then
2067 libgcc=target-libgcc
2068 elif test "$i" != "libiberty" ; then
2069 if test -r $srcdir/$i/configure ; then
2075 if test -z "${others}" ; then
2076 target_configdirs=$libgcc
2080 # Quietly strip out all directories which aren't configurable in this tree.
2081 # This relies on all configurable subdirectories being autoconfiscated, which
2083 build_configdirs_all="$build_configdirs"
2085 for i in ${build_configdirs_all} ; do
2086 j=`echo $i | sed -e s/build-//g`
2087 if test -f ${srcdir}/$j/configure ; then
2088 build_configdirs="${build_configdirs} $i"
2092 configdirs_all="$configdirs"
2094 for i in ${configdirs_all} ; do
2095 if test -f ${srcdir}/$i/configure ; then
2096 configdirs="${configdirs} $i"
2100 target_configdirs_all="$target_configdirs"
2102 for i in ${target_configdirs_all} ; do
2103 j=`echo $i | sed -e s/target-//g`
2104 if test -f ${srcdir}/$j/configure ; then
2105 target_configdirs="${target_configdirs} $i"
2109 # Produce a warning message for the subdirs we can't configure.
2110 # This isn't especially interesting in the Cygnus tree, but in the individual
2111 # FSF releases, it's important to let people know when their machine isn't
2112 # supported by the one or two programs in a package.
2114 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2115 # If $appdirs is non-empty, at least one of those directories must still
2116 # be configured, or we error out. (E.g., if the gas release supports a
2117 # specified target in some subdirs but not the gas subdir, we shouldn't
2118 # pretend that all is well.)
2119 if test -n "$appdirs" ; then
2120 for dir in $appdirs ; do
2121 if test -r $dir/Makefile.in ; then
2122 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2126 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2132 if test -n "$appdirs" ; then
2133 echo "*** This configuration is not supported by this package." 1>&2
2137 # Okay, some application will build, or we don't care to check. Still
2138 # notify of subdirs not getting built.
2139 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2140 echo " ${notsupp}" 1>&2
2141 echo " (Any other directories should still work fine.)" 1>&2
2149 # To find our prefix, in gcc_cv_tool_prefix.
2154 AC_ARG_WITH([build-sysroot],
2155 [ --with-build-sysroot=SYSROOT
2156 use sysroot as the system root during the build],
2157 [if test x"$withval" != x ; then
2158 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2160 [SYSROOT_CFLAGS_FOR_TARGET=])
2161 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2163 AC_ARG_WITH([debug-prefix-map],
2164 [ --with-debug-prefix-map='A=B C=D ...'
2165 map A to B, C to D ... in debug information],
2166 [if test x"$withval" != x; then
2167 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2168 for debug_map in $withval; do
2169 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2172 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2173 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2175 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2176 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2177 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2178 # We want to ensure that TARGET libraries (which we know are built with
2179 # gcc) are built with "-O2 -g", so include those options when setting
2180 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2181 if test "x$CFLAGS_FOR_TARGET" = x; then
2182 CFLAGS_FOR_TARGET=$CFLAGS
2185 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2188 *" -g "* | *" -g3 "*) ;;
2189 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2192 AC_SUBST(CFLAGS_FOR_TARGET)
2194 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2195 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2196 case " $CXXFLAGS " in
2198 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2200 case " $CXXFLAGS " in
2201 *" -g "* | *" -g3 "*) ;;
2202 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2205 AC_SUBST(CXXFLAGS_FOR_TARGET)
2207 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2208 # the named directory are copied to $(tooldir)/sys-include.
2209 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2210 if test x${is_cross_compiler} = xno ; then
2211 echo 1>&2 '***' --with-headers is only supported when cross compiling
2214 if test x"${with_headers}" != xyes ; then
2215 x=${gcc_cv_tool_prefix}
2216 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2220 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2221 # the name directories are copied to $(tooldir)/lib. Multiple directories
2223 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2224 if test x${is_cross_compiler} = xno ; then
2225 echo 1>&2 '***' --with-libs is only supported when cross compiling
2228 if test x"${with_libs}" != xyes ; then
2229 # Copy the libraries in reverse order, so that files in the first named
2230 # library override files in subsequent libraries.
2231 x=${gcc_cv_tool_prefix}
2232 for l in ${with_libs}; do
2233 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2238 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2240 # This is done by determining whether or not the appropriate directory
2241 # is available, and by checking whether or not specific configurations
2242 # have requested that this magic not happen.
2244 # The command line options always override the explicit settings in
2245 # configure.in, and the settings in configure.in override this magic.
2247 # If the default for a toolchain is to use GNU as and ld, and you don't
2248 # want to do that, then you should use the --without-gnu-as and
2249 # --without-gnu-ld options for the configure script. Similarly, if
2250 # the default is to use the included zlib and you don't want to do that,
2251 # you should use the --with-system-zlib option for the configure script.
2253 if test x${use_gnu_as} = x &&
2254 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2256 extra_host_args="$extra_host_args --with-gnu-as"
2259 if test x${use_gnu_ld} = x &&
2260 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2262 extra_host_args="$extra_host_args --with-gnu-ld"
2265 if test x${use_included_zlib} = x &&
2266 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2269 with_system_zlib=yes
2270 extra_host_args="$extra_host_args --with-system-zlib"
2273 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2274 # can detect this case.
2276 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2278 extra_host_args="$extra_host_args --with-newlib"
2281 # Handle ${copy_dirs}
2282 set fnord ${copy_dirs}
2284 while test $# != 0 ; do
2285 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2288 echo Copying $1 to $2
2290 # Use the install script to create the directory and all required
2291 # parent directories.
2292 if test -d $2 ; then
2296 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2299 # Copy the directory, assuming we have tar.
2300 # FIXME: Should we use B in the second tar? Not all systems support it.
2301 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2303 # It is the responsibility of the user to correctly adjust all
2304 # symlinks. If somebody can figure out how to handle them correctly
2305 # here, feel free to add the code.
2312 # Determine a target-dependent exec_prefix that the installed
2313 # gcc will search in. Keep this list sorted by triplet, with
2314 # the *-*-osname triplets last.
2318 md_exec_prefix=/gnu/lib/gcc-lib
2320 i[[34567]]86-pc-msdosdjgpp*)
2321 md_exec_prefix=/dev/env/DJDIR/bin
2323 i[[34567]]86-*-sco3.2v5*)
2324 if test $with_gnu_as = yes; then
2325 md_exec_prefix=/usr/gnu/bin
2327 md_exec_prefix=/usr/ccs/bin/elf
2332 powerpc-*-chorusos* | \
2333 powerpc*-*-eabi* | \
2334 powerpc*-*-sysv* | \
2335 powerpc*-*-kaos* | \
2337 md_exec_prefix=/usr/ccs/bin
2342 md_exec_prefix=/usr/ccs/bin
2357 md_exec_prefix=/usr/ccs/bin
2361 extra_arflags_for_target=
2362 extra_nmflags_for_target=
2363 extra_ranlibflags_for_target=
2364 target_makefile_frag=/dev/null
2367 target_makefile_frag="config/mt-mep"
2370 target_makefile_frag="config/mt-spu"
2373 target_makefile_frag="config/mt-sde"
2375 mipsisa*-*-elfoabi*)
2376 target_makefile_frag="config/mt-mips-elfoabi"
2378 mips*-*-*linux* | mips*-*-gnu*)
2379 target_makefile_frag="config/mt-mips-gnu"
2382 target_makefile_frag="config/mt-netware"
2384 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2385 target_makefile_frag="config/mt-gnu"
2387 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2388 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2389 # commands to handle both 32-bit and 64-bit objects. These flags are
2390 # harmless if we're using GNU nm or ar.
2391 extra_arflags_for_target=" -X32_64"
2392 extra_nmflags_for_target=" -B -X32_64"
2395 # ranlib from Darwin requires the -c flag to look at common symbols.
2396 extra_ranlibflags_for_target=" -c"
2398 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2399 target_makefile_frag="config/mt-wince"
2403 alphaieee_frag=/dev/null
2406 # This just makes sure to use the -mieee option to build target libs.
2407 # This should probably be set individually by each library.
2408 alphaieee_frag="config/mt-alphaieee"
2412 # If --enable-target-optspace always use -Os instead of -O2 to build
2413 # the target libraries, similarly if it is not specified, use -Os
2414 # on selected platforms.
2415 ospace_frag=/dev/null
2416 case "${enable_target_optspace}:${target}" in
2418 ospace_frag="config/mt-ospace"
2421 ospace_frag="config/mt-d30v"
2423 :m32r-* | :d10v-* | :fr30-*)
2424 ospace_frag="config/mt-ospace"
2429 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2433 # Default to using --with-stabs for certain targets.
2434 if test x${with_stabs} = x ; then
2436 mips*-*-irix[[56]]*)
2438 mips*-*-* | alpha*-*-osf*)
2440 extra_host_args="${extra_host_args} --with-stabs"
2445 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2446 # them automatically.
2449 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2453 # Some systems (e.g., one of the i386-aix systems the gas testers are
2454 # using) don't handle "\$" correctly, so don't use it here.
2455 tooldir='${exec_prefix}'/${target_noncanonical}
2456 build_tooldir=${tooldir}
2458 # Create a .gdbinit file which runs the one in srcdir
2459 # and tells GDB to look there for source files.
2461 if test -r ${srcdir}/.gdbinit ; then
2464 *) cat > ./.gdbinit <<EOF
2468 source ${srcdir}/.gdbinit
2474 # Make sure that the compiler is able to generate an executable. If it
2475 # can't, we are probably in trouble. We don't care whether we can run the
2476 # executable--we might be using a cross compiler--we only care whether it
2477 # can be created. At this point the main configure script has set CC.
2479 echo "int main () { return 0; }" > conftest.c
2480 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2481 if test $? = 0 ; then
2482 if test -s conftest || test -s conftest.exe ; then
2488 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2489 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2496 # The Solaris /usr/ucb/cc compiler does not appear to work.
2498 sparc-sun-solaris2*)
2499 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2500 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2502 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2503 if test -d /opt/cygnus/bin ; then
2504 if test "$could_use" = "" ; then
2505 could_use="/opt/cygnus/bin"
2507 could_use="$could_use or /opt/cygnus/bin"
2510 if test "$could_use" = "" ; then
2511 echo "Warning: compilation may fail because you're using"
2512 echo "/usr/ucb/cc. You should change your PATH or CC "
2513 echo "variable and rerun configure."
2515 echo "Warning: compilation may fail because you're using"
2516 echo "/usr/ucb/cc, when you should use the C compiler from"
2517 echo "$could_use. You should change your"
2518 echo "PATH or CC variable and rerun configure."
2524 # Decide which environment variable is used to find dynamic libraries.
2526 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2527 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2528 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2529 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2532 # On systems where the dynamic library environment variable is PATH,
2533 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2534 # built executables to PATH.
2535 if test "$RPATH_ENVVAR" = PATH; then
2536 GCC_SHLIB_SUBDIR=/shlib
2541 # Record target_configdirs and the configure arguments for target and
2542 # build configuration in Makefile.
2543 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2544 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2546 # If we are building libgomp, bootstrap it.
2547 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2548 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2551 # Determine whether gdb needs tk/tcl or not.
2552 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2553 # and in that case we want gdb to be built without tk. Ugh!
2554 # In fact I believe gdb is the *only* package directly dependent on tk,
2555 # so we should be able to put the 'maybe's in unconditionally and
2556 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2557 # 100% sure that that's safe though.
2559 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2560 case "$enable_gdbtk" in
2564 GDB_TK="${gdb_tk}" ;;
2566 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2567 # distro. Eventually someone will fix this and move Insight, nee
2568 # gdbtk to a separate directory.
2569 if test -d ${srcdir}/gdb/gdbtk ; then
2576 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2577 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2579 # Strip out unwanted targets.
2581 # While at that, we remove Makefiles if we were started for recursive
2582 # configuration, so that the top-level Makefile reconfigures them,
2583 # like we used to do when configure itself was recursive.
2585 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2586 # but now we're fixing up the Makefile ourselves with the additional
2587 # commands passed to AC_CONFIG_FILES. Use separate variables
2588 # extrasub-{build,host,target} not because there is any reason to split
2589 # the substitutions up that way, but only to remain below the limit of
2590 # 99 commands in a script, for HP-UX sed.
2591 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2593 AC_ARG_ENABLE([bootstrap],
2594 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2595 enable_bootstrap=default)
2597 # Issue errors and warnings for invalid/strange bootstrap combinations.
2598 case "$configdirs" in
2599 *gcc*) have_compiler=yes ;;
2600 *) have_compiler=no ;;
2603 case "$have_compiler:$host:$target:$enable_bootstrap" in
2606 # Default behavior. Enable bootstrap if we have a compiler
2607 # and we are in a native configuration.
2608 yes:$build:$build:default)
2609 enable_bootstrap=yes ;;
2612 enable_bootstrap=no ;;
2614 # We have a compiler and we are in a native configuration, bootstrap is ok
2615 yes:$build:$build:yes)
2618 # Other configurations, but we have a compiler. Assume the user knows
2621 AC_MSG_WARN([trying to bootstrap a cross compiler])
2624 # No compiler: if they passed --enable-bootstrap explicitly, fail
2626 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2628 # Fail if wrong command line
2630 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2634 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2637 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2641 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2642 yes:yes:*\ gold\ *:*,c++,*) ;;
2643 yes:yes:*\ gold\ *:*)
2644 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2648 # Adjust the toplevel makefile according to whether bootstrap was selected.
2649 case $enable_bootstrap in
2651 bootstrap_suffix=bootstrap
2652 BUILD_CONFIG=bootstrap-debug
2655 bootstrap_suffix=no-bootstrap
2660 AC_MSG_CHECKING(for default BUILD_CONFIG)
2662 AC_ARG_WITH([build-config],
2663 [--with-build-config='NAME NAME2...'
2664 Use config/NAME.mk build configuration],
2665 [case $with_build_config in
2666 yes) with_build_config= ;;
2667 no) with_build_config= BUILD_CONFIG= ;;
2670 if test "x${with_build_config}" != x; then
2671 BUILD_CONFIG=$with_build_config
2673 case $BUILD_CONFIG in
2675 if echo "int f (void) { return 0; }" > conftest.c &&
2676 ${CC} -c conftest.c &&
2677 mv conftest.o conftest.o.g0 &&
2678 ${CC} -c -g conftest.c &&
2679 mv conftest.o conftest.o.g &&
2680 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g; then
2685 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2689 AC_MSG_RESULT($BUILD_CONFIG)
2690 AC_SUBST(BUILD_CONFIG)
2693 for module in ${build_configdirs} ; do
2694 if test -z "${no_recursion}" \
2695 && test -f ${build_subdir}/${module}/Makefile; then
2696 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2697 rm -f ${build_subdir}/${module}/Makefile
2699 extrasub_build="$extrasub_build
2700 /^@if build-$module\$/d
2701 /^@endif build-$module\$/d
2702 /^@if build-$module-$bootstrap_suffix\$/d
2703 /^@endif build-$module-$bootstrap_suffix\$/d"
2706 for module in ${configdirs} ; do
2707 if test -z "${no_recursion}"; then
2708 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2709 if test -f ${file}; then
2710 echo 1>&2 "*** removing ${file} to force reconfigure"
2715 extrasub_host="$extrasub_host
2717 /^@endif $module\$/d
2718 /^@if $module-$bootstrap_suffix\$/d
2719 /^@endif $module-$bootstrap_suffix\$/d"
2722 for module in ${target_configdirs} ; do
2723 if test -z "${no_recursion}" \
2724 && test -f ${target_subdir}/${module}/Makefile; then
2725 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2726 rm -f ${target_subdir}/${module}/Makefile
2729 # We only bootstrap target libraries listed in bootstrap_target_libs.
2730 case $bootstrap_target_libs in
2731 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2732 *) target_bootstrap_suffix=no-bootstrap ;;
2735 extrasub_target="$extrasub_target
2736 /^@if target-$module\$/d
2737 /^@endif target-$module\$/d
2738 /^@if target-$module-$target_bootstrap_suffix\$/d
2739 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2742 # Do the final fixup along with target modules.
2743 extrasub_target="$extrasub_target
2744 /^@if /,/^@endif /d"
2746 # Create the serialization dependencies. This uses a temporary file.
2748 AC_ARG_ENABLE([serial-configure],
2749 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2750 force sequential configuration of
2751 sub-packages for the host, target or build
2752 machine, or all sub-packages])
2754 case ${enable_serial_configure} in
2756 enable_serial_build_configure=yes
2757 enable_serial_host_configure=yes
2758 enable_serial_target_configure=yes
2762 # These force 'configure's to be done one at a time, to avoid problems
2763 # with contention over a shared config.cache.
2765 echo '# serdep.tmp' > serdep.tmp
2767 test "x${enable_serial_build_configure}" = xyes &&
2768 for item in ${build_configdirs} ; do
2771 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2776 test "x${enable_serial_host_configure}" = xyes &&
2777 for item in ${configdirs} ; do
2780 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2785 test "x${enable_serial_target_configure}" = xyes &&
2786 for item in ${target_configdirs} ; do
2789 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2793 serialization_dependencies=serdep.tmp
2794 AC_SUBST_FILE(serialization_dependencies)
2796 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2797 # target, nonopt, and variable assignments. These are the ones we
2798 # might not want to pass down to subconfigures. The exception being
2799 # --cache-file=/dev/null, which is used to turn off the use of cache
2800 # files altogether, and which should be passed on to subconfigures.
2801 # Also strip program-prefix, program-suffix, and program-transform-name,
2802 # so that we can pass down a consistent program-transform-name.
2806 eval "set -- $ac_configure_args"
2809 if test X"$skip_next" = X"yes"; then
2813 if test X"$keep_next" = X"yes"; then
2816 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2818 baseargs="$baseargs '$ac_arg'"
2823 # Handle separated arguments. Based on the logic generated by
2826 *=* | --config-cache | -C | -disable-* | --disable-* \
2827 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2828 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2829 | -with-* | --with-* | -without-* | --without-* | --x)
2841 --cache-file=/dev/null | \
2842 -cache-file=/dev/null )
2843 # Handled here to avoid the test to skip args below.
2844 baseargs="$baseargs '$ac_arg'"
2845 # Assert: $separate_arg should always be no.
2846 keep_next=$separate_arg
2862 -program-prefix* | \
2863 -program-suffix* | \
2864 -program-transform-name* )
2865 skip_next=$separate_arg
2869 # An option. Add it.
2872 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2874 baseargs="$baseargs '$ac_arg'"
2875 keep_next=$separate_arg
2878 # Either a variable assignment, or a nonopt (triplet). Don't
2879 # pass it down; let the Makefile handle this.
2884 # Remove the initial space we just introduced and, as these will be
2885 # expanded by make, quote '$'.
2886 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2888 # Add in --program-transform-name, after --program-prefix and
2889 # --program-suffix have been applied to it. Autoconf has already
2890 # doubled dollar signs and backslashes in program_transform_name; we want
2891 # the backslashes un-doubled, and then the entire thing wrapped in single
2892 # quotes, because this will be expanded first by make and then by the shell.
2893 # Also, because we want to override the logic in subdir configure scripts to
2894 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2895 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2896 ${program_transform_name}
2898 gcc_transform_name=`cat conftestsed.out`
2899 rm -f conftestsed.out
2900 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2901 if test "$silent" = yes; then
2902 baseargs="$baseargs --silent"
2904 baseargs="$baseargs --disable-option-checking"
2906 # For the build-side libraries, we just need to pretend we're native,
2907 # and not use the same cache file. Multilibs are neither needed nor
2909 build_configargs="--cache-file=../config.cache ${baseargs}"
2911 # For host modules, accept cache file option, or specification as blank.
2912 case "${cache_file}" in
2914 cache_file_option="" ;;
2915 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2916 cache_file_option="--cache-file=${cache_file}" ;;
2918 cache_file_option="--cache-file=../${cache_file}" ;;
2921 # Host dirs don't like to share a cache file either, horribly enough.
2922 # This seems to be due to autoconf 2.5x stupidity.
2923 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2925 target_configargs=${baseargs}
2927 # Passing a --with-cross-host argument lets the target libraries know
2928 # whether they are being built with a cross-compiler or being built
2929 # native. However, it would be better to use other mechanisms to make the
2930 # sorts of decisions they want to make on this basis. Please consider
2931 # this option to be deprecated. FIXME.
2932 if test x${is_cross_compiler} = xyes ; then
2933 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2936 # Default to --enable-multilib.
2937 if test x${enable_multilib} = x ; then
2938 target_configargs="--enable-multilib ${target_configargs}"
2941 # Pass --with-newlib if appropriate. Note that target_configdirs has
2942 # changed from the earlier setting of with_newlib.
2943 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2944 target_configargs="--with-newlib ${target_configargs}"
2947 # Different target subdirs use different values of certain variables
2948 # (notably CXX). Worse, multilibs use *lots* of different values.
2949 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2950 # it doesn't automatically accept command-line overrides of them.
2951 # This means it's not safe for target subdirs to share a cache file,
2952 # which is disgusting, but there you have it. Hopefully this can be
2953 # fixed in future. It's still worthwhile to use a cache file for each
2954 # directory. I think.
2956 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2957 # We need to pass --target, as newer autoconf's requires consistency
2958 # for target_alias and gcc doesn't manage it consistently.
2959 target_configargs="--cache-file=./config.cache ${target_configargs}"
2962 case " $target_configdirs " in
2964 case " $target_configargs " in
2965 *" --with-newlib "*)
2968 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 $$s/winsup/w32api/include'
2972 # If we're not building GCC, don't discard standard headers.
2973 if test -d ${srcdir}/gcc; then
2974 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2976 if test "${build}" != "${host}"; then
2977 # On Canadian crosses, CC_FOR_TARGET will have already been set
2978 # by `configure', so we won't have an opportunity to add -Bgcc/
2979 # to it. This is right: we don't want to search that directory
2980 # for binaries, but we want the header files in there, so add
2982 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2984 # Someone might think of using the pre-installed headers on
2985 # Canadian crosses, in case the installed compiler is not fully
2986 # compatible with the compiler being built. In this case, it
2987 # would be better to flag an error than risking having
2988 # incompatible object files being constructed. We can't
2989 # guarantee that an error will be flagged, but let's hope the
2990 # compiler will do it, when presented with incompatible header
2995 case "${target}-${is_cross_compiler}" in
2996 i[[3456789]]86-*-linux*-no)
2997 # Here host == target, so we don't need to build gcc,
2998 # so we don't want to discard standard headers.
2999 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3002 # If we're building newlib, use its generic headers last, but search
3003 # for any libc-related directories first (so make it the last -B
3005 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3007 # If we're building libgloss, find the startup file, simulator library
3008 # and linker script.
3009 case " $target_configdirs " in
3011 # Look for startup file, simulator library and maybe linker script.
3012 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3013 # Look for libnosys.a in case the target needs it.
3014 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3015 # Most targets have the linker script in the source directory.
3016 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3027 x86_64-*mingw* | *-w64-mingw*)
3028 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3029 # however, use a symlink named 'mingw' in ${prefix} .
3030 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3033 # MinGW can't be handled as Cygwin above since it does not use newlib.
3034 FLAGS_FOR_TARGET=$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'
3038 # Allow the user to override the flags for
3039 # our build compiler if desired.
3040 if test x"${build}" = x"${host}" ; then
3041 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3042 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3043 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3046 # On Canadian crosses, we'll be searching the right directories for
3047 # the previously-installed cross compiler, so don't bother to add
3048 # flags for directories within the install tree of the compiler
3049 # being built; programs in there won't even run.
3050 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3051 # Search for pre-installed headers if nothing else fits.
3052 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3055 if test "x${use_gnu_ld}" = x &&
3056 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3057 # Arrange for us to find uninstalled linker scripts.
3058 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3061 # Search for other target-specific linker scripts and such.
3064 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3068 # Makefile fragments.
3069 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3071 eval fragval=\$$frag
3072 if test $fragval != /dev/null; then
3073 eval $frag=${srcdir}/$fragval
3076 AC_SUBST_FILE(host_makefile_frag)
3077 AC_SUBST_FILE(target_makefile_frag)
3078 AC_SUBST_FILE(alphaieee_frag)
3079 AC_SUBST_FILE(ospace_frag)
3081 # Miscellanea: directories, flags, etc.
3082 AC_SUBST(RPATH_ENVVAR)
3083 AC_SUBST(GCC_SHLIB_SUBDIR)
3085 AC_SUBST(build_tooldir)
3086 AC_SUBST(CONFIGURE_GDB_TK)
3088 AC_SUBST(INSTALL_GDB_TK)
3090 # Build module lists & subconfigure args.
3091 AC_SUBST(build_configargs)
3092 AC_SUBST(build_configdirs)
3094 # Host module lists & subconfigure args.
3095 AC_SUBST(host_configargs)
3096 AC_SUBST(configdirs)
3097 AC_SUBST(target_configdirs)
3099 # Target module lists & subconfigure args.
3100 AC_SUBST(target_configargs)
3104 AC_SUBST(AR_FOR_BUILD)
3105 AC_SUBST(AS_FOR_BUILD)
3106 AC_SUBST(CC_FOR_BUILD)
3107 AC_SUBST(CFLAGS_FOR_BUILD)
3108 AC_SUBST(CXXFLAGS_FOR_BUILD)
3109 AC_SUBST(CXX_FOR_BUILD)
3110 AC_SUBST(DLLTOOL_FOR_BUILD)
3111 AC_SUBST(GCJ_FOR_BUILD)
3112 AC_SUBST(GFORTRAN_FOR_BUILD)
3113 AC_SUBST(LDFLAGS_FOR_BUILD)
3114 AC_SUBST(LD_FOR_BUILD)
3115 AC_SUBST(NM_FOR_BUILD)
3116 AC_SUBST(RANLIB_FOR_BUILD)
3117 AC_SUBST(WINDMC_FOR_BUILD)
3118 AC_SUBST(WINDRES_FOR_BUILD)
3119 AC_SUBST(config_shell)
3121 # Generate default definitions for YACC, M4, LEX and other programs that run
3122 # on the build machine. These are used if the Makefile can't locate these
3123 # programs in objdir.
3124 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3126 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3127 case " $build_configdirs " in
3128 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3129 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3132 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3133 case " $build_configdirs " in
3134 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3137 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3138 case " $build_configdirs " in
3139 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3142 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3143 case " $build_configdirs " in
3144 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3145 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3148 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3149 case " $build_configdirs " in
3150 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3153 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3154 case " $build_configdirs " in
3155 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3158 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3159 # higher, else we use the "missing" dummy.
3160 if ${MAKEINFO} --version \
3161 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3164 MAKEINFO="$MISSING makeinfo"
3170 # FIXME: expect and dejagnu may become build tools?
3172 AC_CHECK_PROGS(EXPECT, expect, expect)
3173 case " $configdirs " in
3175 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3179 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3180 case " $configdirs " in
3182 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3188 NCN_STRICT_CHECK_TOOLS(AR, ar)
3189 NCN_STRICT_CHECK_TOOLS(AS, as)
3190 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3191 NCN_STRICT_CHECK_TOOLS(LD, ld)
3192 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3193 NCN_STRICT_CHECK_TOOLS(NM, nm)
3194 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
3195 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
3196 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3197 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3198 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3199 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3206 AC_ARG_WITH([build-time-tools],
3207 [ --with-build-time-tools=PATH
3208 use given path to find target tools during the build],
3209 [case x"$withval" in
3212 with_build_time_tools=
3213 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3216 [with_build_time_tools=])
3218 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3219 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3220 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3221 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3222 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3224 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3225 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3226 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3227 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3228 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3229 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3230 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3231 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
3232 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3233 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3234 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3236 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3238 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3239 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3240 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3241 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3242 [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$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3244 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3245 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3247 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3248 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3249 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3250 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3251 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3252 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3253 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3254 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3255 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3256 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3257 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3258 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3259 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3260 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3262 AC_SUBST(FLAGS_FOR_TARGET)
3263 AC_SUBST(RAW_CXX_FOR_TARGET)
3265 # Certain tools may need extra flags.
3266 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3267 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3268 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3270 # When building target libraries, except in a Canadian cross, we use
3271 # the same toolchain as the compiler we just built.
3272 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3273 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3274 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3275 if test $host = $build; then
3276 case " $configdirs " in
3278 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3279 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3280 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3285 AC_SUBST(COMPILER_AS_FOR_TARGET)
3286 AC_SUBST(COMPILER_LD_FOR_TARGET)
3287 AC_SUBST(COMPILER_NM_FOR_TARGET)
3289 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3290 AC_ARG_ENABLE(maintainer-mode,
3291 [ --enable-maintainer-mode enable make rules and dependencies not useful
3292 (and sometimes confusing) to the casual installer],
3293 USE_MAINTAINER_MODE=$enableval,
3294 USE_MAINTAINER_MODE=no)
3295 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3296 AC_SUBST(MAINTAINER_MODE_TRUE)
3297 AC_SUBST(MAINTAINER_MODE_FALSE)
3298 if test "$USE_MAINTAINER_MODE" = yes; then
3299 MAINTAINER_MODE_TRUE=
3300 MAINTAINER_MODE_FALSE='#'
3302 MAINTAINER_MODE_TRUE='#'
3303 MAINTAINER_MODE_FALSE=
3305 MAINT=$MAINTAINER_MODE_TRUE
3308 # ---------------------
3309 # GCC bootstrap support
3310 # ---------------------
3312 # Stage specific cflags for build.
3317 yes) stage1_cflags="-g -Wa,-J" ;;
3318 *) stage1_cflags="-g -J" ;;
3322 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3323 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3324 saved_CFLAGS="$CFLAGS"
3326 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3327 CFLAGS="$CFLAGS -fkeep-inline-functions"
3328 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3330 #if (__GNUC__ < 3) \
3331 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3332 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3333 #error http://gcc.gnu.org/PR29382
3336 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3337 [AC_MSG_RESULT([no])])
3339 CFLAGS="$saved_CFLAGS"
3342 AC_SUBST(stage1_cflags)
3344 # Enable --enable-checking in stage1 of the compiler.
3345 AC_ARG_ENABLE(stage1-checking,
3346 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3348 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3349 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3350 stage1_checking=--enable-checking=yes,types
3352 stage1_checking=--enable-checking=$enable_checking,types
3354 AC_SUBST(stage1_checking)
3356 # Enable -Werror in bootstrap stage2 and later.
3357 AC_ARG_ENABLE(werror,
3358 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3359 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3364 case ${enable_werror} in
3365 yes) stage2_werror_flag="--enable-werror-always" ;;
3366 *) stage2_werror_flag="" ;;
3368 AC_SUBST(stage2_werror_flag)
3370 # Specify what files to not compare during bootstrap.
3372 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3374 hppa*64*-*-hpux*) ;;
3375 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3377 case " $configdirs " in
3378 *" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3380 AC_SUBST(compare_exclusions)
3382 AC_CONFIG_FILES([Makefile],
3383 [sed "$extrasub_build" Makefile |
3384 sed "$extrasub_host" |
3385 sed "$extrasub_target" > mf$$
3386 mv -f mf$$ Makefile],
3387 [extrasub_build="$extrasub_build"
3388 extrasub_host="$extrasub_host"
3389 extrasub_target="$extrasub_target"])