1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
26 AC_INIT(move-if-change)
28 AC_DISABLE_OPTION_CHECKING
31 # if PWD already has a value, it is probably wrong.
32 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
34 # Export original configure arguments for use by sub-configures.
35 # Quote arguments with shell meta charatcers.
36 TOPLEVEL_CONFIGURE_ARGUMENTS=
37 set -- "$progname" "$@"
41 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
42 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
43 # if the argument is of the form -foo=baz, quote the baz part only
44 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
47 # Add the quoted argument to the list.
48 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
50 if test "$silent" = yes; then
51 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
53 # Remove the initial space we just introduced and, as these will be
54 # expanded by make, quote '$'.
55 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
56 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
58 # Find the build, host, and target systems.
59 ACX_NONCANONICAL_BUILD
61 ACX_NONCANONICAL_TARGET
63 dnl Autoconf 2.5x and later will set a default program prefix if
64 dnl --target was used, even if it was the same as --host. Disable
65 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
67 test "$host_noncanonical" = "$target_noncanonical" &&
68 test "$program_prefix$program_suffix$program_transform_name" = \
70 program_transform_name=s,y,y,
75 m4_pattern_allow([^AS_FOR_TARGET$])dnl
76 m4_pattern_allow([^AS_FOR_BUILD$])dnl
78 # Get 'install' or 'install-sh' and its variants.
85 ### we might need to use some other shell than /bin/sh for running subshells
86 ### If we are on Windows, search for the shell. This will permit people
87 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
88 ### without also having to set CONFIG_SHELL. This code will work when
89 ### using bash, which sets OSTYPE.
92 if test x${CONFIG_SHELL} = x ; then
93 if test ! -f /bin/sh ; then
94 if test x${SHELL} != x && test -f ${SHELL} ; then
98 for prog in sh sh.exe bash bash.exe; do
99 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
101 test -z "$dir" && dir=.
102 if test -f $dir/$prog; then
103 CONFIG_SHELL=$dir/$prog
109 test -n "${CONFIG_SHELL}" && break
117 config_shell=${CONFIG_SHELL-/bin/sh}
119 moveifchange=${srcdir}/move-if-change
121 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
123 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
125 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
126 INSTALL="${srcpwd}/install-sh -c"
129 # Set srcdir to "." if that's what it is.
130 # This is important for multilib support.
132 if test "${pwd}" = "${srcpwd}" ; then
140 ### To add a new directory to the tree, first choose whether it is a target
141 ### or a host dependent tool. Then put it into the appropriate list
142 ### (library or tools, host or target), doing a dependency sort.
144 # Subdirs will be configured in the order listed in build_configdirs,
145 # configdirs, or target_configdirs; see the serialization section below.
147 # Dependency sorting is only needed when *configuration* must be done in
148 # a particular order. In all cases a dependency should be specified in
149 # the Makefile, whether or not it's implicitly specified here.
151 # Double entries in build_configdirs, configdirs, or target_configdirs may
152 # cause circular dependencies and break everything horribly.
154 # these library is used by various programs built for the build
157 build_libs="build-libiberty"
159 # these tools are built for the build environment
160 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
162 # these libraries are used by various programs built for the host environment
164 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libiconv"
166 # these tools are built for the host environment
167 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
168 # know that we are building the simulator.
169 # binutils, gas and ld appear in that order because it makes sense to run
170 # "make check" in that particular order.
171 # If --enable-gold is used, "gold" will replace "ld".
172 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
174 # libgcj represents the runtime libraries only used by gcj.
175 libgcj="target-libffi \
180 # these libraries are built for the target environment, and are built after
181 # the host libraries and the host tools (which may be a cross compiler)
183 target_libraries="target-libgcc \
188 target-libstdc++-v3 \
197 # these tools are built using the target libraries, and are intended to
198 # run only in the target environment
200 # note: any program that *uses* libraries that are in the "target_libraries"
201 # list belongs in this list. those programs are also very likely
202 # candidates for the "native_only" list which follows
204 target_tools="target-examples target-groff target-gperf target-rda"
206 ################################################################################
208 ## All tools belong in one of the four categories, and are assigned above
209 ## We assign ${configdirs} this way to remove all embedded newlines. This
210 ## is important because configure will choke if they ever get through.
211 ## ${configdirs} is directories we build using the host tools.
212 ## ${target_configdirs} is directories we build using the target tools.
213 configdirs=`echo ${host_libs} ${host_tools}`
214 target_configdirs=`echo ${target_libraries} ${target_tools}`
215 build_configdirs=`echo ${build_libs} ${build_tools}`
217 m4_divert_text([PARSE_ARGS],
218 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
221 ################################################################################
223 srcname="gnu development package"
225 # This gets set non-empty for some net releases of packages.
228 # Define is_cross_compiler to save on calls to 'test'.
230 if test x"${host}" = x"${target}" ; then
233 is_cross_compiler=yes
236 # Find the build and target subdir names.
239 # Skipdirs are removed silently.
241 # Noconfigdirs are removed loudly.
245 # Make sure we don't let GNU ld be added if we didn't want it.
246 if test x$with_gnu_ld = xno ; then
248 noconfigdirs="$noconfigdirs ld gold"
252 # Make sure we don't let GNU as be added if we didn't want it.
253 if test x$with_gnu_as = xno ; then
255 noconfigdirs="$noconfigdirs gas"
258 # some tools are so dependent upon X11 that if we're not building with X,
259 # it's not even worth trying to configure, much less build, that tool.
262 yes | "") ;; # the default value for this tree is that X11 is available
264 skipdirs="${skipdirs} tk itcl libgui"
265 # We won't be able to build gdbtk without X.
268 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
271 # Some tools are only suitable for building in a "native" situation.
272 # Remove these if host!=target.
273 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
275 # Similarly, some are only suitable for cross toolchains.
276 # Remove these if host=target.
277 cross_only="target-libgloss target-newlib target-opcodes"
279 case $is_cross_compiler in
280 no) skipdirs="${skipdirs} ${cross_only}" ;;
281 yes) skipdirs="${skipdirs} ${native_only}" ;;
284 # If both --with-headers and --with-libs are specified, default to
286 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
287 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
288 if test x"${with_newlib}" = x ; then
293 # Recognize --with-newlib/--without-newlib.
294 case ${with_newlib} in
295 no) skipdirs="${skipdirs} target-newlib" ;;
296 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
299 # Handle --enable-gold.
302 [ --enable-gold use gold instead of ld],
303 ENABLE_GOLD=$enableval,
305 if test "${ENABLE_GOLD}" = "yes"; then
306 # Check for ELF target.
309 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
310 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
311 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
313 *-*-linux*aout* | *-*-linux*oldld*)
321 if test "$is_elf" = "yes"; then
322 # Check for target supported by gold.
324 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
325 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
331 # Configure extra directories which are host specific
335 configdirs="$configdirs libtermcap" ;;
338 # A target can indicate whether a language isn't supported for some reason.
339 # Only spaces may be used in this macro; not newlines or tabs.
340 unsupported_languages=
342 # Remove more programs from consideration, based on the host or
343 # target this usually means that a port of the program doesn't
348 noconfigdirs="$noconfigdirs byacc"
350 i[[3456789]]86-*-vsta)
351 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
353 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
354 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
357 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
359 i[[3456789]]86-*-mingw32*)
360 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
361 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
363 i[[3456789]]86-*-beos*)
364 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
367 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
370 noconfigdirs="$noconfigdirs rcs"
373 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
376 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
381 AC_ARG_ENABLE(libada,
382 [ --enable-libada build libada directory],
383 ENABLE_LIBADA=$enableval,
385 if test "${ENABLE_LIBADA}" != "yes" ; then
386 noconfigdirs="$noconfigdirs gnattools"
389 AC_ARG_ENABLE(libssp,
390 [ --enable-libssp build libssp directory],
391 ENABLE_LIBSSP=$enableval,
394 # Save it here so that, even in case of --enable-libgcj, if the Java
395 # front-end isn't enabled, we still get libgcj disabled.
397 case $enable_libgcj in
399 # If we reset it here, it won't get added to noconfigdirs in the
400 # target-specific build rules, so it will be forcibly enabled
401 # (unless the Java language itself isn't enabled).
405 # Make sure we get it printed in the list of not supported target libs.
406 noconfigdirs="$noconfigdirs ${libgcj}"
411 # Disable libmudflap on some systems.
412 if test x$enable_libmudflap = x ; then
414 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
415 # Enable libmudflap by default in GNU and friends.
418 # Enable libmudflap by default in FreeBSD.
421 # Disable it by default everywhere else.
422 noconfigdirs="$noconfigdirs target-libmudflap"
427 # Disable libgomp on non POSIX hosted systems.
428 if test x$enable_libgomp = x ; then
429 # Enable libgomp by default on hosted POSIX systems.
431 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
433 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
435 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
437 *-*-darwin* | *-*-aix*)
440 noconfigdirs="$noconfigdirs target-libgomp"
445 # Default libgloss CPU subdirectory.
446 libgloss_dir="$target_cpu"
450 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
453 noconfigdirs="$noconfigdirs ld gas gdb gprof"
454 noconfigdirs="$noconfigdirs sim target-rda"
456 i[[3456789]]86-*-darwin*)
457 noconfigdirs="$noconfigdirs ld gprof"
458 noconfigdirs="$noconfigdirs sim target-rda"
460 x86_64-*-darwin[[912]]*)
461 noconfigdirs="$noconfigdirs ld gas gprof"
462 noconfigdirs="$noconfigdirs sim target-rda"
465 noconfigdirs="$noconfigdirs ld gas gdb gprof"
466 noconfigdirs="$noconfigdirs sim target-rda"
467 noconfigdirs="$noconfigdirs ${libgcj}"
469 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
470 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
473 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
474 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
475 && test -f /usr/local/include/gmp.h; then
479 # Skip some stuff that's unsupported on some FreeBSD configurations.
484 noconfigdirs="$noconfigdirs ${libgcj}"
489 # Remove unsupported stuff on all kaOS configurations.
490 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
491 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
492 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
493 noconfigdirs="$noconfigdirs target-libgloss"
496 # Skip some stuff on all NetBSD configurations.
497 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
499 # Skip some stuff that's unsupported on some NetBSD configurations.
501 i*86-*-netbsdelf*) ;;
502 arm*-*-netbsdelf*) ;;
504 noconfigdirs="$noconfigdirs ${libgcj}"
509 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
512 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
514 # The tpf target doesn't support gdb yet.
516 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
519 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
522 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
525 # ld works, but does not support shared libraries.
526 # newlib is not 64 bit ready. I'm not sure about fileutils.
527 # gas doesn't generate exception information.
528 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
531 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
534 # newlib is not 64 bit ready
535 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
538 # newlib is not 64 bit ready
539 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
542 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
545 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
547 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
548 noconfigdirs="$noconfigdirs ${libgcj}"
549 noconfigdirs="$noconfigdirs target-examples"
550 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
551 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
552 noconfigdirs="$noconfigdirs expect dejagnu"
553 # the C++ libraries don't build on top of CE's C libraries
554 noconfigdirs="$noconfigdirs target-libstdc++-v3"
555 noconfigdirs="$noconfigdirs target-newlib"
557 *-*-cygwin*) ;; # keep gdb and readline
558 *) noconfigdirs="$noconfigdirs gdb readline"
564 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
568 arm-*-coff | strongarm-*-coff | xscale-*-coff)
569 noconfigdirs="$noconfigdirs ${libgcj}"
572 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
573 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
576 arm*-*-linux-gnueabi)
577 noconfigdirs="$noconfigdirs target-qthreads"
578 case ${with_newlib} in
579 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
584 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
588 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
591 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
594 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
597 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
600 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
603 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
606 unsupported_languages="$unsupported_languages java"
607 noconfigdirs="$noconfigdirs target-boehm-gc gdb"
608 if test x${is_cross_compiler} != xno ; then
609 target_configdirs="${target_configdirs} target-bsp target-cygmon"
613 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
615 c54x*-*-* | tic54x-*-*)
616 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
619 noconfigdirs="$noconfigdirs ${libgcj} gdb"
621 cris-*-* | crisv32-*-*)
622 unsupported_languages="$unsupported_languages java"
625 unsupported_languages="$unsupported_languages fortran"
626 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
628 noconfigdirs="$noconfigdirs target-boehm-gc";;
630 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
632 unsupported_languages="$unsupported_languages fortran"
633 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
638 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
641 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
644 noconfigdirs="$noconfigdirs ${libgcj} gdb"
646 ep9312-*-elf | ep9312-*-coff)
650 noconfigdirs="$noconfigdirs ${libgcj} gdb"
653 noconfigdirs="$noconfigdirs ${libgcj}"
656 noconfigdirs="$noconfigdirs ${libgcj}"
657 noconfigdirs="$noconfigdirs gprof"
660 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
663 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
665 hppa1.1-*-osf* | hppa1.1-*-bsd* )
667 hppa*64*-*-linux* | parisc*64*-*-linux*)
668 # In this case, it's because the hppa64-linux target is for
669 # the kernel only at this point and has no libc, and thus no
670 # headers, crt*.o, etc., all of which are needed by these.
671 noconfigdirs="$noconfigdirs target-zlib"
673 parisc*-*-linux* | hppa*-*-linux*)
679 noconfigdirs="$noconfigdirs ${libgcj}"
682 noconfigdirs="$noconfigdirs ld shellutils"
688 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
689 # build on HP-UX 10.20.
690 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
693 noconfigdirs="$noconfigdirs ${libgcj} gdb"
696 # No gdb support yet.
697 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
700 # No gdb or ld support yet.
701 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
704 # No gdb or ld support yet.
705 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
709 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
710 noconfigdirs="$noconfigdirs ${libgcj}"
713 i[[3456789]]86-*-linux*)
714 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
715 # not build java stuff by default.
718 noconfigdirs="$noconfigdirs ${libgcj}";;
721 # This section makes it possible to build newlib natively on linux.
722 # If we are using a cross compiler then don't configure newlib.
723 if test x${is_cross_compiler} != xno ; then
724 noconfigdirs="$noconfigdirs target-newlib"
726 noconfigdirs="$noconfigdirs target-libgloss"
727 # If we are not using a cross compiler, do configure newlib.
728 # Note however, that newlib will only be configured in this situation
729 # if the --with-newlib option has been given, because otherwise
730 # 'target-newlib' will appear in skipdirs.
732 i[[3456789]]86-*-mingw32*)
733 target_configdirs="$target_configdirs target-winsup"
734 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
737 target_configdirs="$target_configdirs target-winsup"
738 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
741 target_configdirs="$target_configdirs target-libtermcap target-winsup"
742 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
743 # always build newlib if winsup directory is present.
744 if test -d "$srcdir/winsup/cygwin"; then
745 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
746 elif test -d "$srcdir/newlib"; then
747 echo "Warning: winsup/cygwin is missing so newlib can't be built."
750 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
751 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
754 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
756 i[[3456789]]86-*-sco3.2v5*)
757 # The linker does not yet know about weak symbols in COFF,
758 # and is not configured to handle mixed ELF and COFF.
759 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
761 i[[3456789]]86-*-sco*)
762 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
764 i[[3456789]]86-*-solaris2*)
765 noconfigdirs="$noconfigdirs target-libgloss"
767 i[[3456789]]86-*-sysv4*)
768 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
770 i[[3456789]]86-*-beos*)
771 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
773 i[[3456789]]86-*-rdos*)
774 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
777 noconfigdirs="$noconfigdirs ${libgcj}"
779 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
780 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
784 noconfigdirs="$noconfigdirs ${libgcj}"
787 noconfigdirs="$noconfigdirs ${libgcj}"
793 # The EPOC C++ environment does not support exceptions or rtti,
794 # and so building libstdc++-v3 tends not to always work.
795 noconfigdirs="$noconfigdirs target-libstdc++-v3"
798 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
799 unsupported_languages="$unsupported_languages fortran java"
802 noconfigdirs="$noconfigdirs ${libgcj}"
805 noconfigdirs="$noconfigdirs ${libgcj}"
808 noconfigdirs="$noconfigdirs sim"
811 # copied from rs6000-*-* entry
812 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
814 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
815 target_configdirs="$target_configdirs target-winsup"
816 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
817 # always build newlib.
818 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
820 # This is temporary until we can link against shared libraries
821 powerpcle-*-solaris*)
822 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
826 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
829 noconfigdirs="$noconfigdirs ${libgcj}"
832 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
836 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
839 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
842 noconfigdirs="$noconfigdirs gprof ${libgcj}"
845 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
848 noconfigdirs="$noconfigdirs gprof ${libgcj}"
851 skipdirs="$skipdirs target-libiberty"
852 noconfigdirs="$noconfigdirs ${libgcj}"
853 if test x$with_newlib = xyes; then
854 noconfigdirs="$noconfigdirs gprof"
859 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
862 # Linking libjava exceeds command-line length limits on at least
863 # IRIX 6.2, but not on IRIX 6.5.
864 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
865 # <oldham@codesourcery.com>
866 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
869 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
872 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
875 noconfigdirs="$noconfigdirs gprof ${libgcj}"
879 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
883 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
884 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
885 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
886 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
890 noconfigdirs="$noconfigdirs ${libgcj}" ;;
892 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
895 sparclet-*-aout* | sparc86x-*-*)
899 noconfigdirs="$noconfigdirs ${libgcj}"
902 noconfigdirs="$noconfigdirs ${libgcj}"
906 noconfigdirs="$noconfigdirs ${libgcj}"
910 noconfigdirs="$noconfigdirs ${libgcj}"
911 if test x${is_cross_compiler} != xno ; then
912 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
917 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
918 noconfigdirs="$noconfigdirs ${libgcj}"
920 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
923 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
926 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
929 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
932 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
935 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
938 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
941 noconfigdirs="$noconfigdirs ${libgcj}"
944 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
946 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
947 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
950 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
953 noconfigdirs="$noconfigdirs ${libgcj}"
957 # If we aren't building newlib, then don't build libgloss, since libgloss
958 # depends upon some newlib header files.
959 case "${noconfigdirs}" in
960 *target-libgloss*) ;;
961 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
964 # Work in distributions that contain no compiler tools, like Autoconf.
966 host_makefile_frag=/dev/null
967 if test -d ${srcdir}/config ; then
970 # Avoid "too much defining" errors from HPUX compiler.
971 tentative_cc="cc -Wp,-H256000"
972 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
973 # If it's HP/UX ar, this should be harmless.
977 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
980 #None of the Apollo compilers can compile gas or binutils. The preprocessor
981 # chokes on bfd, the compiler won't let you assign integers to enums, and
982 # other problems. Defining CC to gcc is a questionable way to say "don't use
983 # the apollo compiler" (the preferred version of GCC could be called cc,
984 # or whatever), but I'm not sure leaving CC as cc is any better...
985 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
986 # Used to have BISON=yacc.
990 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
993 # Under CX/UX, we want to tell the compiler to use ANSI mode.
994 tentative_cc="cc -Xa"
995 host_makefile_frag="config/mh-cxux"
1000 tentative_cc="cc -Wf,-XNg1000"
1001 host_makefile_frag="config/mh-decstation"
1004 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1005 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1006 host_makefile_frag="config/mh-necv4"
1009 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1010 # environment. Also bump switch table size so that cp-parse will
1011 # compile. Bump string length limit so linker builds.
1012 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1015 host_makefile_frag="config/mh-sysv4"
1018 # This is for a MIPS running RISC/os 4.52C.
1020 # This is needed for GDB, but needs to be in the top-level make because
1021 # if a library is compiled with the bsd headers and gets linked with the
1022 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1023 # a different size).
1024 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1025 # known except to select the sysv environment. Could we use /proc instead?
1026 # These "sysv environments" and "bsd environments" often end up being a pain.
1028 # This is not part of CFLAGS because perhaps not all C compilers have this
1030 tentative_cc="cc -systype sysv"
1035 i[[3456789]]86-*-sysv5*)
1036 host_makefile_frag="config/mh-sysv5"
1038 i[[3456789]]86-*-dgux*)
1039 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1040 host_makefile_frag="config/mh-dgux386"
1042 i[[3456789]]86-ncr-sysv4.3*)
1043 # The MetaWare compiler will generate a copyright message unless you
1044 # turn it off by adding the -Hnocopyr flag.
1045 tentative_cc="cc -Hnocopyr"
1047 i[[3456789]]86-ncr-sysv4*)
1048 # for an NCR 3000 (i486/SVR4) system.
1049 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1050 # This compiler not only emits obnoxious copyright messages every time
1051 # you run it, but it chokes and dies on a whole bunch of GNU source
1052 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1053 tentative_cc="/usr/ccs/ATT/cc"
1054 host_makefile_frag="config/mh-ncr3000"
1056 i[[3456789]]86-*-sco3.2v5*)
1058 i[[3456789]]86-*-sco*)
1059 # The native C compiler botches some simple uses of const. Unfortunately,
1060 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1061 tentative_cc="cc -Dconst="
1062 host_makefile_frag="config/mh-sco"
1064 i[[3456789]]86-*-udk*)
1065 host_makefile_frag="config/mh-sysv5"
1067 i[[3456789]]86-*-solaris2*)
1068 host_makefile_frag="config/mh-sysv4"
1070 i[[3456789]]86-*-msdosdjgpp*)
1071 host_makefile_frag="config/mh-djgpp"
1074 ACX_CHECK_CYGWIN_CAT_WORKS
1075 host_makefile_frag="config/mh-cygwin"
1078 host_makefile_frag="config/mh-mingw"
1081 host_makefile_frag="config/mh-interix"
1084 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1088 host_makefile_frag="config/mh-solaris"
1091 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1092 # without overflowing the jump tables (-J says to use a 32 bit table)
1093 tentative_cc="cc -J"
1096 tentative_cc="cc -Wp,-H256000"
1097 host_makefile_frag="config/mh-pa-hpux10"
1099 hppa*-hp-hpux* | hppa*-*-hiux*)
1100 tentative_cc="cc -Wp,-H256000"
1101 host_makefile_frag="config/mh-pa"
1104 host_makefile_frag="config/mh-pa"
1106 *-hp-hpux* | *-*-hiux*)
1107 tentative_cc="cc -Wp,-H256000"
1110 # /bin/cc is less than useful for our purposes. Always use GCC
1111 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1112 host_makefile_frag="config/mh-lynxrs6k"
1115 host_makefile_frag="config/mh-ppc-darwin"
1118 host_makefile_frag="config/mh-ppc-aix"
1121 host_makefile_frag="config/mh-ppc-aix"
1124 # /bin/cc is less than useful for our purposes. Always use GCC
1125 tentative_cc="/bin/gcc"
1128 host_makefile_frag="config/mh-sysv4"
1130 # This is placed last to prevent interfering with the cases above.
1132 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1133 host_makefile_frag="config/mh-x86omitfp"
1138 # If we aren't going to be using gcc, see if we can extract a definition
1139 # of CC from the fragment.
1140 # Actually, use the 'pre-extracted' version above.
1141 if test -z "${CC}" && test "${build}" = "${host}" ; then
1142 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1144 for dir in $PATH; do
1145 test -z "$dir" && dir=.
1146 if test -f $dir/gcc; then
1152 if test -z "${found}" && test -n "${tentative_cc}" ; then
1157 if test "${build}" != "${host}" ; then
1158 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1159 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1160 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1161 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1162 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1163 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1164 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1165 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1166 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1167 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1168 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1169 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1171 AR_FOR_BUILD="\$(AR)"
1172 AS_FOR_BUILD="\$(AS)"
1173 CC_FOR_BUILD="\$(CC)"
1174 CXX_FOR_BUILD="\$(CXX)"
1175 GCJ_FOR_BUILD="\$(GCJ)"
1176 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1177 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1178 LD_FOR_BUILD="\$(LD)"
1179 NM_FOR_BUILD="\$(NM)"
1180 RANLIB_FOR_BUILD="\$(RANLIB)"
1181 WINDRES_FOR_BUILD="\$(WINDRES)"
1182 WINDMC_FOR_BUILD="\$(WINDMC)"
1188 # We must set the default linker to the linker used by gcc for the correct
1189 # operation of libtool. If LD is not defined and we are using gcc, try to
1190 # set the LD default to the ld used by gcc.
1191 if test -z "$LD"; then
1192 if test "$GCC" = yes; then
1195 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1197 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1199 case $gcc_prog_ld in
1200 # Accept absolute paths.
1201 [[\\/]* | [A-Za-z]:[\\/]*)]
1202 LD="$gcc_prog_ld" ;;
1208 ACX_PROG_CMP_IGNORE_INITIAL
1210 # See if we are building gcc with C++.
1211 AC_ARG_ENABLE(build-with-cxx,
1212 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1213 ENABLE_BUILD_WITH_CXX=$enableval,
1214 ENABLE_BUILD_WITH_CXX=no)
1216 # Check for GMP, MPFR and MPC
1217 gmplibs="-lmpfr -lgmp"
1224 # Specify a location for mpc
1225 # check for this first so it ends up on the link line before mpfr.
1226 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1227 Equivalent to --with-mpc-include=PATH/include
1228 plus --with-mpc-lib=PATH/lib])
1229 AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1230 specify directory for installed MPC include files])
1231 AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1233 if test "x$with_mpc" != x; then
1234 mpclibs="-L$with_mpc/lib -lmpc"
1235 mpcinc="-I$with_mpc/include $mpcinc"
1237 if test "x$with_mpc_include" != x; then
1238 mpcinc="-I$with_mpc_include $mpcinc"
1240 if test "x$with_mpc_lib" != x; then
1241 mpclibs="-L$with_mpc_lib -lmpc"
1243 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1244 mpclibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs -lmpc'
1245 mpcinc='-I$$s/mpc/src '"$mpcinc"
1246 # Do not test the mpc version. Assume that it is sufficient, since
1247 # it is in the source tree, and the library has not been built yet
1248 # but it would be included on the link line in the version check below
1249 # hence making the test fail.
1253 # Specify a location for mpfr
1254 # check for this first so it ends up on the link line before gmp.
1255 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1256 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1257 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1259 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1260 Equivalent to --with-mpfr-include=PATH/include
1261 plus --with-mpfr-lib=PATH/lib])
1262 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1263 specify directory for installed MPFR include files])
1264 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1266 if test "x$with_mpfr" != x; then
1267 gmplibs="-L$with_mpfr/lib $gmplibs"
1268 gmpinc="-I$with_mpfr/include"
1270 if test "x$with_mpfr_include" != x; then
1271 gmpinc="-I$with_mpfr_include"
1273 if test "x$with_mpfr_lib" != x; then
1274 gmplibs="-L$with_mpfr_lib $gmplibs"
1276 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1277 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1278 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1279 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr'
1280 # Do not test the mpfr version. Assume that it is sufficient, since
1281 # it is in the source tree, and the library has not been built yet
1282 # but it would be included on the link line in the version check below
1283 # hence making the test fail.
1287 # Specify a location for gmp
1288 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1289 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1290 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1292 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1293 Equivalent to --with-gmp-include=PATH/include
1294 plus --with-gmp-lib=PATH/lib])
1295 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1296 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1299 if test "x$with_gmp" != x; then
1300 gmplibs="-L$with_gmp/lib $gmplibs"
1301 gmpinc="-I$with_gmp/include $gmpinc"
1303 if test "x$with_gmp_include" != x; then
1304 gmpinc="-I$with_gmp_include $gmpinc"
1306 if test "x$with_gmp_lib" != x; then
1307 gmplibs="-L$with_gmp_lib $gmplibs"
1309 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1310 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1311 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1312 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1313 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp'
1314 # Do not test the gmp version. Assume that it is sufficient, since
1315 # it is in the source tree, and the library has not been built yet
1316 # but it would be included on the link line in the version check below
1317 # hence making the test fail.
1321 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1323 saved_CFLAGS="$CFLAGS"
1324 CFLAGS="$CFLAGS $gmpinc"
1325 # Check GMP actually works
1326 AC_MSG_CHECKING([for correct version of gmp.h])
1327 AC_TRY_COMPILE([#include "gmp.h"],[
1328 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
1331 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1333 # If we have GMP, check the MPFR version.
1334 if test x"$have_gmp" = xyes; then
1335 dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
1336 AC_MSG_CHECKING([for correct version of mpfr.h])
1337 AC_TRY_COMPILE([#include <gmp.h>
1338 #include <mpfr.h>],[
1339 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1342 ], AC_TRY_COMPILE([#include <gmp.h>
1343 #include <mpfr.h>],[
1344 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
1347 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1348 [AC_MSG_RESULT([no]); have_gmp=no])
1351 # Check for the MPC header version.
1352 if test x"$have_mpc" != xyes ; then
1353 CFLAGS="$CFLAGS $mpcinc"
1354 AC_MSG_CHECKING([for the correct version of mpc.h])
1355 AC_TRY_COMPILE([#include <mpc.h>],[
1356 #if MPC_VERSION < MPC_VERSION_NUM (0,6,0)
1359 ], [AC_MSG_RESULT([yes]); have_mpc=maybe],
1360 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1363 # Now check the MPFR library.
1364 if test x"$have_gmp" = xyes; then
1366 LIBS="$LIBS $gmplibs"
1367 AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
1368 AC_TRY_LINK([#include <gmp.h>
1369 #include <mpfr.h>],[
1375 mpfr_atan2 (n, n, x, GMP_RNDN);
1376 mpfr_erfc (n, x, GMP_RNDN);
1377 mpfr_subnormalize (x, t, GMP_RNDN);
1378 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1382 if test x"$have_mpc" = xmaybe; then
1384 LIBS="$LIBS $mpclibs $gmplibs"
1385 AC_MSG_CHECKING([for the correct version of the mpc library])
1386 AC_TRY_LINK([#include <mpc.h>],[
1389 mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
1390 mpc_sin (n, n, MPC_RNDNN);
1391 mpc_cos (n, n, MPC_RNDNN);
1392 mpc_tan (n, n, MPC_RNDNN);
1393 mpc_sinh (n, n, MPC_RNDNN);
1394 mpc_cosh (n, n, MPC_RNDNN);
1395 mpc_tanh (n, n, MPC_RNDNN);
1396 mpc_exp (n, n, MPC_RNDNN);
1397 mpc_log (n, n, MPC_RNDNN);
1398 mpc_sqrt (n, n, MPC_RNDNN);
1399 mpc_proj (n, n, MPC_RNDNN);
1400 mpc_neg (n, n, MPC_RNDNN);
1401 mpc_sqr (n, n, MPC_RNDNN);
1403 ], [AC_MSG_RESULT([yes]); have_mpc=yes],
1404 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1408 CFLAGS="$saved_CFLAGS"
1410 if test x$have_gmp != xyes; then
1411 AC_MSG_ERROR([Building GCC requires GMP 4.2+ and MPFR 2.3.2+.
1412 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1413 Copies of these libraries' source code can be found at their respective
1414 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1415 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1416 If you obtained GMP and/or MPFR from a vendor distribution package, make
1417 sure that you have installed both the libraries and the header files.
1418 They may be located in separate packages.])
1422 if test x$have_mpc != xyes ; then
1427 gmpinc="$mpcinc $gmpinc"
1428 gmplibs="$mpclibs $gmplibs"
1430 # Flags needed for both GMP, MPFR and/or MPC.
1433 AC_SUBST(extra_mpfr_configure_flags)
1434 AC_SUBST(extra_mpc_gmp_configure_flags)
1435 AC_SUBST(extra_mpc_mpfr_configure_flags)
1437 # Allow host libstdc++ to be specified for static linking with PPL.
1438 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1439 when linking with PPL])
1441 case $with_host_libstdcxx in
1443 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1447 # Linker flags to use for stage1 or when not boostrapping.
1448 AC_ARG_WITH(stage1-ldflags,
1449 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1450 [if test "$withval" = "no" -o "$withval" = "yes"; then
1453 stage1_ldflags=$withval
1456 AC_SUBST(stage1_ldflags)
1458 # Libraries to use for stage1 or when not bootstrapping.
1459 AC_ARG_WITH(stage1-libs,
1460 [ -with-stage1-libs=LIBS Libraries for stage1],
1461 [if test "$withval" = "no" -o "$withval" = "yes"; then
1464 stage1_libs=$withval
1466 [stage1_libs=$with_host_libstdcxx])
1467 AC_SUBST(stage1_libs)
1469 # Linker flags to use for stage2 and later builds.
1470 AC_ARG_WITH(boot-ldflags,
1471 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1472 [if test "$withval" = "no" -o "$withval" = "yes"; then
1475 poststage1_ldflags=$withval
1477 [if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1478 poststage1_ldflags=-static-libstdc++
1482 AC_SUBST(poststage1_ldflags)
1484 # Libraries to use for stage2 and later builds. This defaults to the
1485 # argument passed to --with-host-libstdcxx.
1486 AC_ARG_WITH(boot-libs,
1487 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1488 [if test "$withval" = "no" -o "$withval" = "yes"; then
1491 poststage1_libs=$withval
1493 [poststage1_libs=$with_host_libstdcxx])
1494 AC_SUBST(poststage1_libs)
1498 ppl_minor_version=10
1499 ppllibs=" -lppl_c -lppl -lgmpxx"
1502 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1503 Equivalent to --with-ppl-include=PATH/include
1504 plus --with-ppl-lib=PATH/lib],, with_ppl=no)
1505 AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1506 AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1513 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1514 pplinc="-I$with_ppl/include $pplinc"
1515 LIBS="$ppllibs $LIBS"
1518 if test "x$with_ppl_include" != x; then
1519 pplinc="-I$with_ppl_include $pplinc"
1521 if test "x$with_ppl_lib" != x; then
1522 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1523 LIBS="$ppllibs $LIBS"
1525 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1526 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/.libs -L$$r/$(HOST_SUBDIR)/ppl/_libs -lppl_c -lppl -lgmpxx '
1527 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/include -I$$s/ppl/include '
1528 LIBS="$ppllibs $LIBS"
1531 AC_ARG_ENABLE(ppl-version-check,
1532 [ --disable-ppl-version-check disable check for PPL version],
1533 ENABLE_PPL_CHECK=$enableval,
1534 ENABLE_PPL_CHECK=yes)
1536 if test "${ENABLE_PPL_CHECK}" = "yes"; then
1537 saved_CFLAGS="$CFLAGS"
1538 CFLAGS="$CFLAGS $pplinc $gmpinc"
1539 AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
1540 AC_TRY_COMPILE([#include "ppl_c.h"],[
1541 #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
1544 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ])
1545 CFLAGS="$saved_CFLAGS"
1548 # Flags needed for PPL
1554 clooglibs=" -lcloog "
1555 clooginc=" -DCLOOG_PPL_BACKEND "
1557 AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
1558 Equivalent to --with-cloog-include=PATH/include
1559 plus --with-cloog-lib=PATH/lib],, with_cloog=no)
1560 AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
1561 AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
1569 clooglibs="-L$with_cloog/lib -lcloog"
1570 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1571 LIBS="$clooglibs $LIBS"
1574 if test "x$with_cloog_include" != x; then
1575 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1577 if test "x$with_cloog_lib" != x; then
1578 clooglibs="-L$with_cloog_lib -lcloog"
1579 LIBS="$clooglibs $LIBS"
1581 if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1582 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
1583 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1584 LIBS="$clooglibs $LIBS"
1587 AC_ARG_ENABLE(cloog-version-check,
1588 [ --disable-cloog-version-check disable check for CLooG version],
1589 ENABLE_CLOOG_CHECK=$enableval,
1590 ENABLE_CLOOG_CHECK=yes)
1592 if test "${ENABLE_CLOOG_CHECK}" = "yes"; then
1593 saved_CFLAGS="$CFLAGS"
1594 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1595 AC_MSG_CHECKING([for correct version of CLooG])
1596 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1597 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
1600 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1601 CFLAGS="$saved_CFLAGS"
1604 # Flags needed for CLOOG
1609 # By default, C is the only stage 1 language.
1610 stage1_languages=,c,
1612 # Target libraries that we bootstrap.
1613 bootstrap_target_libs=,target-libgcc,
1615 # Figure out what language subdirectories are present.
1616 # Look if the user specified --enable-languages="..."; if not, use
1617 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1619 # NB: embedded tabs in this IF block -- do not untabify
1620 if test -d ${srcdir}/gcc; then
1621 if test x"${enable_languages+set}" != xset; then
1622 if test x"${LANGUAGES+set}" = xset; then
1623 enable_languages="${LANGUAGES}"
1624 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1626 enable_languages=all
1629 if test x"${enable_languages}" = x ||
1630 test x"${enable_languages}" = xyes;
1632 echo configure.in: --enable-languages needs at least one language argument 1>&2
1636 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1638 # 'f95' is the old name for the 'fortran' language. We issue a warning
1639 # and make the substitution.
1640 case ,${enable_languages}, in
1642 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1643 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1647 # First scan to see if an enabled language requires some other language.
1648 # We assume that a given config-lang.in will list all the language
1649 # front ends it requires, even if some are required indirectly.
1650 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1651 case ${lang_frag} in
1653 # The odd quoting in the next line works around
1654 # an apparent bug in bash 1.12 on linux.
1655 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1657 # From the config-lang.in, get $language, $lang_requires
1661 for other in ${lang_requires} ; do
1662 case ,${enable_languages}, in
1666 echo " \`$other' language required by \`$language'; enabling" 1>&2
1667 enable_languages="${enable_languages},${other}"
1675 new_enable_languages=,c,
1676 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1677 potential_languages=,c,
1679 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1680 case ${lang_frag} in
1682 # The odd quoting in the next line works around
1683 # an apparent bug in bash 1.12 on linux.
1684 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1686 # From the config-lang.in, get $language, $target_libs,
1687 # $lang_dirs, $boot_language, and $build_by_default
1693 build_by_default=yes
1695 if test x${language} = x; then
1696 echo "${lang_frag} doesn't set \$language." 1>&2
1700 if test "$language" = "c++" -a "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1704 case ,${enable_languages}, in
1706 # Language was explicitly selected; include it.
1710 # 'all' was selected, select it if it is a default language
1711 add_this_lang=${build_by_default}
1718 # Disable languages that need other directories if these aren't available.
1719 for i in $subdir_requires; do
1720 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1721 case ,${enable_languages}, in
1723 # Specifically requested language; tell them.
1724 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1728 add_this_lang=unsupported
1733 # Disable Ada if no preexisting GNAT is available.
1734 case ,${enable_languages},:${language}:${have_gnat} in
1735 *,${language},*:ada:no)
1736 # Specifically requested language; tell them.
1737 AC_MSG_ERROR([GNAT is required to build $language])
1741 add_this_lang=unsupported
1745 # Disable a language that is unsupported by the target.
1746 case " $unsupported_languages " in
1748 add_this_lang=unsupported
1752 case $add_this_lang in
1754 # Remove language-dependent dirs.
1755 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1758 # Remove language-dependent dirs; still show language as supported.
1759 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1760 potential_languages="${potential_languages}${language},"
1763 new_enable_languages="${new_enable_languages}${language},"
1764 potential_languages="${potential_languages}${language},"
1765 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1766 case ${boot_language} in
1768 # Add to (comma-separated) list of stage 1 languages.
1769 stage1_languages="${stage1_languages}${language},"
1770 # We need to bootstrap any supporting libraries.
1771 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1780 AC_ARG_ENABLE(stage1-languages,
1781 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1782 stage1. Mostly useful for compiler development.],
1783 [case ,${enable_stage1_languages}, in
1785 # Set it to something that will have no effect in the loop below
1786 enable_stage1_languages=c ;;
1788 enable_stage1_languages=`echo $new_enable_languages | \
1789 sed -e "s/^,//" -e "s/,$//" ` ;;
1791 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1792 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1795 # Add "good" languages from enable_stage1_languages to stage1_languages,
1796 # while "bad" languages go in missing_languages. Leave no duplicates.
1797 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1798 case $potential_languages in
1800 case $stage1_languages in
1802 *) stage1_languages="$stage1_languages$i," ;;
1805 case $missing_languages in
1807 *) missing_languages="$missing_languages$i," ;;
1812 # Remove leading/trailing commas that were added for simplicity
1813 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1814 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1815 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1816 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1818 if test "x$missing_languages" != x; then
1820 The following requested languages could not be built: ${missing_languages}
1821 Supported languages are: ${potential_languages}])
1823 if test "x$new_enable_languages" != "x$enable_languages"; then
1824 echo The following languages will be built: ${new_enable_languages}
1825 enable_languages="$new_enable_languages"
1828 AC_SUBST(stage1_languages)
1829 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1832 # Handle --disable-<component> generically.
1833 for dir in $configdirs $build_configdirs $target_configdirs ; do
1834 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1835 varname=`echo $dirname | sed -e s/+/_/g`
1836 if eval test x\${enable_${varname}} "=" xno ; then
1837 noconfigdirs="$noconfigdirs $dir"
1841 # Check for Boehm's garbage collector
1842 AC_ARG_ENABLE(objc-gc,
1843 [ --enable-objc-gc enable use of Boehm's garbage collector with the
1844 GNU Objective-C runtime],
1845 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1846 *,objc,*:*:yes:*target-boehm-gc*)
1847 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1851 # Make sure we only build Boehm's garbage collector if required.
1852 case ,${enable_languages},:${enable_objc_gc} in
1854 # Keep target-boehm-gc if requested for Objective-C.
1857 # Otherwise remove target-boehm-gc depending on target-libjava.
1858 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1859 noconfigdirs="$noconfigdirs target-boehm-gc"
1864 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1865 # $build_configdirs and $target_configdirs.
1866 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1869 for dir in . $skipdirs $noconfigdirs ; do
1870 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1871 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1872 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1873 if test -r $srcdir/$dirname/configure ; then
1874 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1877 notsupp="$notsupp $dir"
1881 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1882 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1883 if test -r $srcdir/$dirname/configure ; then
1884 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1887 notsupp="$notsupp $dir"
1891 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1892 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1893 if test -r $srcdir/$dirname/configure ; then
1894 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1897 notsupp="$notsupp $dir"
1903 # Sometimes the tools are distributed with libiberty but with no other
1904 # libraries. In that case, we don't want to build target-libiberty.
1905 # Don't let libgcc imply libiberty either.
1906 if test -n "${target_configdirs}" ; then
1909 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1910 if test "$i" = "libgcc"; then
1911 libgcc=target-libgcc
1912 elif test "$i" != "libiberty" ; then
1913 if test -r $srcdir/$i/configure ; then
1919 if test -z "${others}" ; then
1920 target_configdirs=$libgcc
1924 # Quietly strip out all directories which aren't configurable in this tree.
1925 # This relies on all configurable subdirectories being autoconfiscated, which
1927 build_configdirs_all="$build_configdirs"
1929 for i in ${build_configdirs_all} ; do
1930 j=`echo $i | sed -e s/build-//g`
1931 if test -f ${srcdir}/$j/configure ; then
1932 build_configdirs="${build_configdirs} $i"
1936 configdirs_all="$configdirs"
1938 for i in ${configdirs_all} ; do
1939 if test -f ${srcdir}/$i/configure ; then
1940 configdirs="${configdirs} $i"
1944 target_configdirs_all="$target_configdirs"
1946 for i in ${target_configdirs_all} ; do
1947 j=`echo $i | sed -e s/target-//g`
1948 if test -f ${srcdir}/$j/configure ; then
1949 target_configdirs="${target_configdirs} $i"
1953 # Produce a warning message for the subdirs we can't configure.
1954 # This isn't especially interesting in the Cygnus tree, but in the individual
1955 # FSF releases, it's important to let people know when their machine isn't
1956 # supported by the one or two programs in a package.
1958 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1959 # If $appdirs is non-empty, at least one of those directories must still
1960 # be configured, or we error out. (E.g., if the gas release supports a
1961 # specified target in some subdirs but not the gas subdir, we shouldn't
1962 # pretend that all is well.)
1963 if test -n "$appdirs" ; then
1964 for dir in $appdirs ; do
1965 if test -r $dir/Makefile.in ; then
1966 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1970 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1976 if test -n "$appdirs" ; then
1977 echo "*** This configuration is not supported by this package." 1>&2
1981 # Okay, some application will build, or we don't care to check. Still
1982 # notify of subdirs not getting built.
1983 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1984 echo " ${notsupp}" 1>&2
1985 echo " (Any other directories should still work fine.)" 1>&2
1993 # To find our prefix, in gcc_cv_tool_prefix.
1998 AC_ARG_WITH([build-sysroot],
1999 [ --with-build-sysroot=SYSROOT
2000 use sysroot as the system root during the build],
2001 [if test x"$withval" != x ; then
2002 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2004 [SYSROOT_CFLAGS_FOR_TARGET=])
2005 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2007 AC_ARG_WITH([debug-prefix-map],
2008 [ --with-debug-prefix-map='A=B C=D ...'
2009 map A to B, C to D ... in debug information],
2010 [if test x"$withval" != x; then
2011 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2012 for debug_map in $withval; do
2013 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2016 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2017 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2019 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2020 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2021 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2022 # We want to ensure that TARGET libraries (which we know are built with
2023 # gcc) are built with "-O2 -g", so include those options when setting
2024 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2025 if test "x$CFLAGS_FOR_TARGET" = x; then
2026 CFLAGS_FOR_TARGET=$CFLAGS
2029 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2032 *" -g "* | *" -g3 "*) ;;
2033 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2036 AC_SUBST(CFLAGS_FOR_TARGET)
2038 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2039 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2040 case " $CXXFLAGS " in
2042 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2044 case " $CXXFLAGS " in
2045 *" -g "* | *" -g3 "*) ;;
2046 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2049 AC_SUBST(CXXFLAGS_FOR_TARGET)
2051 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2052 # the named directory are copied to $(tooldir)/sys-include.
2053 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2054 if test x${is_cross_compiler} = xno ; then
2055 echo 1>&2 '***' --with-headers is only supported when cross compiling
2058 if test x"${with_headers}" != xyes ; then
2059 x=${gcc_cv_tool_prefix}
2060 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2064 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2065 # the name directories are copied to $(tooldir)/lib. Multiple directories
2067 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2068 if test x${is_cross_compiler} = xno ; then
2069 echo 1>&2 '***' --with-libs is only supported when cross compiling
2072 if test x"${with_libs}" != xyes ; then
2073 # Copy the libraries in reverse order, so that files in the first named
2074 # library override files in subsequent libraries.
2075 x=${gcc_cv_tool_prefix}
2076 for l in ${with_libs}; do
2077 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2082 # Set with_gnu_as and with_gnu_ld as appropriate.
2084 # This is done by determining whether or not the appropriate directory
2085 # is available, and by checking whether or not specific configurations
2086 # have requested that this magic not happen.
2088 # The command line options always override the explicit settings in
2089 # configure.in, and the settings in configure.in override this magic.
2091 # If the default for a toolchain is to use GNU as and ld, and you don't
2092 # want to do that, then you should use the --without-gnu-as and
2093 # --without-gnu-ld options for the configure script.
2095 if test x${use_gnu_as} = x &&
2096 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2098 extra_host_args="$extra_host_args --with-gnu-as"
2101 if test x${use_gnu_ld} = x &&
2102 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2104 extra_host_args="$extra_host_args --with-gnu-ld"
2107 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2108 # can detect this case.
2110 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2112 extra_host_args="$extra_host_args --with-newlib"
2115 # Handle ${copy_dirs}
2116 set fnord ${copy_dirs}
2118 while test $# != 0 ; do
2119 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2122 echo Copying $1 to $2
2124 # Use the install script to create the directory and all required
2125 # parent directories.
2126 if test -d $2 ; then
2130 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2133 # Copy the directory, assuming we have tar.
2134 # FIXME: Should we use B in the second tar? Not all systems support it.
2135 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2137 # It is the responsibility of the user to correctly adjust all
2138 # symlinks. If somebody can figure out how to handle them correctly
2139 # here, feel free to add the code.
2146 # Determine a target-dependent exec_prefix that the installed
2147 # gcc will search in. Keep this list sorted by triplet, with
2148 # the *-*-osname triplets last.
2152 md_exec_prefix=/gnu/lib/gcc-lib
2154 i[[34567]]86-pc-msdosdjgpp*)
2155 md_exec_prefix=/dev/env/DJDIR/bin
2157 i[[34567]]86-*-sco3.2v5*)
2158 if test $with_gnu_as = yes; then
2159 md_exec_prefix=/usr/gnu/bin
2161 md_exec_prefix=/usr/ccs/bin/elf
2166 powerpc-*-chorusos* | \
2167 powerpc*-*-eabi* | \
2168 powerpc*-*-sysv* | \
2169 powerpc*-*-kaos* | \
2171 md_exec_prefix=/usr/ccs/bin
2176 md_exec_prefix=/usr/ccs/bin
2191 md_exec_prefix=/usr/ccs/bin
2195 extra_arflags_for_target=
2196 extra_nmflags_for_target=
2197 extra_ranlibflags_for_target=
2198 target_makefile_frag=/dev/null
2201 target_makefile_frag="config/mt-mep"
2204 target_makefile_frag="config/mt-spu"
2207 target_makefile_frag="config/mt-sde"
2209 mipsisa*-*-elfoabi*)
2210 target_makefile_frag="config/mt-mips-elfoabi"
2212 mips*-*-*linux* | mips*-*-gnu*)
2213 target_makefile_frag="config/mt-mips-gnu"
2216 target_makefile_frag="config/mt-netware"
2218 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2219 target_makefile_frag="config/mt-gnu"
2221 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2222 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2223 # commands to handle both 32-bit and 64-bit objects. These flags are
2224 # harmless if we're using GNU nm or ar.
2225 extra_arflags_for_target=" -X32_64"
2226 extra_nmflags_for_target=" -B -X32_64"
2229 # ranlib from Darwin requires the -c flag to look at common symbols.
2230 extra_ranlibflags_for_target=" -c"
2232 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2233 target_makefile_frag="config/mt-wince"
2237 alphaieee_frag=/dev/null
2240 # This just makes sure to use the -mieee option to build target libs.
2241 # This should probably be set individually by each library.
2242 alphaieee_frag="config/mt-alphaieee"
2246 # If --enable-target-optspace always use -Os instead of -O2 to build
2247 # the target libraries, similarly if it is not specified, use -Os
2248 # on selected platforms.
2249 ospace_frag=/dev/null
2250 case "${enable_target_optspace}:${target}" in
2252 ospace_frag="config/mt-ospace"
2255 ospace_frag="config/mt-d30v"
2257 :m32r-* | :d10v-* | :fr30-*)
2258 ospace_frag="config/mt-ospace"
2263 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2267 # Default to using --with-stabs for certain targets.
2268 if test x${with_stabs} = x ; then
2270 mips*-*-irix[[56]]*)
2272 mips*-*-* | alpha*-*-osf*)
2274 extra_host_args="${extra_host_args} --with-stabs"
2279 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2280 # them automatically.
2283 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2287 # Some systems (e.g., one of the i386-aix systems the gas testers are
2288 # using) don't handle "\$" correctly, so don't use it here.
2289 tooldir='${exec_prefix}'/${target_noncanonical}
2290 build_tooldir=${tooldir}
2292 # Create a .gdbinit file which runs the one in srcdir
2293 # and tells GDB to look there for source files.
2295 if test -r ${srcdir}/.gdbinit ; then
2298 *) cat > ./.gdbinit <<EOF
2302 source ${srcdir}/.gdbinit
2308 # Make sure that the compiler is able to generate an executable. If it
2309 # can't, we are probably in trouble. We don't care whether we can run the
2310 # executable--we might be using a cross compiler--we only care whether it
2311 # can be created. At this point the main configure script has set CC.
2313 echo "int main () { return 0; }" > conftest.c
2314 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2315 if test $? = 0 ; then
2316 if test -s conftest || test -s conftest.exe ; then
2322 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2323 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2330 # The Solaris /usr/ucb/cc compiler does not appear to work.
2332 sparc-sun-solaris2*)
2333 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2334 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2336 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2337 if test -d /opt/cygnus/bin ; then
2338 if test "$could_use" = "" ; then
2339 could_use="/opt/cygnus/bin"
2341 could_use="$could_use or /opt/cygnus/bin"
2344 if test "$could_use" = "" ; then
2345 echo "Warning: compilation may fail because you're using"
2346 echo "/usr/ucb/cc. You should change your PATH or CC "
2347 echo "variable and rerun configure."
2349 echo "Warning: compilation may fail because you're using"
2350 echo "/usr/ucb/cc, when you should use the C compiler from"
2351 echo "$could_use. You should change your"
2352 echo "PATH or CC variable and rerun configure."
2358 # Decide which environment variable is used to find dynamic libraries.
2360 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2361 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2362 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2363 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2366 # On systems where the dynamic library environment variable is PATH,
2367 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2368 # built executables to PATH.
2369 if test "$RPATH_ENVVAR" = PATH; then
2370 GCC_SHLIB_SUBDIR=/shlib
2375 # Record target_configdirs and the configure arguments for target and
2376 # build configuration in Makefile.
2377 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2378 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2380 # Determine whether gdb needs tk/tcl or not.
2381 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2382 # and in that case we want gdb to be built without tk. Ugh!
2383 # In fact I believe gdb is the *only* package directly dependent on tk,
2384 # so we should be able to put the 'maybe's in unconditionally and
2385 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2386 # 100% sure that that's safe though.
2388 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2389 case "$enable_gdbtk" in
2393 GDB_TK="${gdb_tk}" ;;
2395 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2396 # distro. Eventually someone will fix this and move Insight, nee
2397 # gdbtk to a separate directory.
2398 if test -d ${srcdir}/gdb/gdbtk ; then
2405 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2406 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2408 # Strip out unwanted targets.
2410 # While at that, we remove Makefiles if we were started for recursive
2411 # configuration, so that the top-level Makefile reconfigures them,
2412 # like we used to do when configure itself was recursive.
2414 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2415 # but now we're fixing up the Makefile ourselves with the additional
2416 # commands passed to AC_CONFIG_FILES. Use separate variables
2417 # extrasub-{build,host,target} not because there is any reason to split
2418 # the substitutions up that way, but only to remain below the limit of
2419 # 99 commands in a script, for HP-UX sed.
2420 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2422 AC_ARG_ENABLE([bootstrap],
2423 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2424 enable_bootstrap=default)
2426 # Issue errors and warnings for invalid/strange bootstrap combinations.
2427 case "$configdirs" in
2428 *gcc*) have_compiler=yes ;;
2429 *) have_compiler=no ;;
2432 case "$have_compiler:$host:$target:$enable_bootstrap" in
2435 # Default behavior. Enable bootstrap if we have a compiler
2436 # and we are in a native configuration.
2437 yes:$build:$build:default)
2438 enable_bootstrap=yes ;;
2441 enable_bootstrap=no ;;
2443 # We have a compiler and we are in a native configuration, bootstrap is ok
2444 yes:$build:$build:yes)
2447 # Other configurations, but we have a compiler. Assume the user knows
2450 AC_MSG_WARN([trying to bootstrap a cross compiler])
2453 # No compiler: if they passed --enable-bootstrap explicitly, fail
2455 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2457 # Fail if wrong command line
2459 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2463 case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2466 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2470 # Adjust the toplevel makefile according to whether bootstrap was selected.
2471 case $enable_bootstrap in
2473 bootstrap_suffix=bootstrap
2474 BUILD_CONFIG=bootstrap-debug
2477 bootstrap_suffix=no-bootstrap
2482 AC_MSG_CHECKING(for default BUILD_CONFIG)
2484 AC_ARG_WITH([build-config],
2485 [--with-build-config='NAME NAME2...'
2486 Use config/NAME.mk build configuration],
2487 [case $with_build_config in
2488 yes) with_build_config= ;;
2489 no) with_build_config= BUILD_CONFIG= ;;
2492 if test "x${with_build_config}" != x; then
2493 BUILD_CONFIG=$with_build_config
2495 case $BUILD_CONFIG in
2497 if echo "int f (void) { return 0; }" > conftest.c &&
2498 ${CC} -c conftest.c &&
2499 mv conftest.o conftest.o.g0 &&
2500 ${CC} -c -g conftest.c &&
2501 mv conftest.o conftest.o.g &&
2502 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g; then
2507 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2511 AC_MSG_RESULT($BUILD_CONFIG)
2512 AC_SUBST(BUILD_CONFIG)
2515 for module in ${build_configdirs} ; do
2516 if test -z "${no_recursion}" \
2517 && test -f ${build_subdir}/${module}/Makefile; then
2518 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2519 rm -f ${build_subdir}/${module}/Makefile
2521 extrasub_build="$extrasub_build
2522 /^@if build-$module\$/d
2523 /^@endif build-$module\$/d
2524 /^@if build-$module-$bootstrap_suffix\$/d
2525 /^@endif build-$module-$bootstrap_suffix\$/d"
2528 for module in ${configdirs} ; do
2529 if test -z "${no_recursion}"; then
2530 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2531 if test -f ${file}; then
2532 echo 1>&2 "*** removing ${file} to force reconfigure"
2537 extrasub_host="$extrasub_host
2539 /^@endif $module\$/d
2540 /^@if $module-$bootstrap_suffix\$/d
2541 /^@endif $module-$bootstrap_suffix\$/d"
2544 for module in ${target_configdirs} ; do
2545 if test -z "${no_recursion}" \
2546 && test -f ${target_subdir}/${module}/Makefile; then
2547 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2548 rm -f ${target_subdir}/${module}/Makefile
2551 # We only bootstrap target libraries listed in bootstrap_target_libs.
2552 case $bootstrap_target_libs in
2553 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2554 *) target_bootstrap_suffix=no-bootstrap ;;
2557 extrasub_target="$extrasub_target
2558 /^@if target-$module\$/d
2559 /^@endif target-$module\$/d
2560 /^@if target-$module-$target_bootstrap_suffix\$/d
2561 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2564 # Do the final fixup along with target modules.
2565 extrasub_target="$extrasub_target
2566 /^@if /,/^@endif /d"
2568 # Create the serialization dependencies. This uses a temporary file.
2570 AC_ARG_ENABLE([serial-configure],
2571 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2572 force sequential configuration of
2573 sub-packages for the host, target or build
2574 machine, or all sub-packages])
2576 case ${enable_serial_configure} in
2578 enable_serial_build_configure=yes
2579 enable_serial_host_configure=yes
2580 enable_serial_target_configure=yes
2584 # These force 'configure's to be done one at a time, to avoid problems
2585 # with contention over a shared config.cache.
2587 echo '# serdep.tmp' > serdep.tmp
2589 test "x${enable_serial_build_configure}" = xyes &&
2590 for item in ${build_configdirs} ; do
2593 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2598 test "x${enable_serial_host_configure}" = xyes &&
2599 for item in ${configdirs} ; do
2602 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2607 test "x${enable_serial_target_configure}" = xyes &&
2608 for item in ${target_configdirs} ; do
2611 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2615 serialization_dependencies=serdep.tmp
2616 AC_SUBST_FILE(serialization_dependencies)
2618 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2619 # target, nonopt, and variable assignments. These are the ones we
2620 # might not want to pass down to subconfigures. Also strip
2621 # program-prefix, program-suffix, and program-transform-name, so that
2622 # we can pass down a consistent program-transform-name.
2626 eval "set -- $ac_configure_args"
2629 if test X"$skip_next" = X"yes"; then
2633 if test X"$keep_next" = X"yes"; then
2636 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2638 baseargs="$baseargs '$ac_arg'"
2643 # Handle separated arguments. Based on the logic generated by
2646 *=* | --config-cache | -C | -disable-* | --disable-* \
2647 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2648 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2649 | -with-* | --with-* | -without-* | --without-* | --x)
2675 -program-prefix* | \
2676 -program-suffix* | \
2677 -program-transform-name* )
2678 skip_next=$separate_arg
2682 # An option. Add it.
2685 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2687 baseargs="$baseargs '$ac_arg'"
2688 keep_next=$separate_arg
2691 # Either a variable assignment, or a nonopt (triplet). Don't
2692 # pass it down; let the Makefile handle this.
2697 # Remove the initial space we just introduced and, as these will be
2698 # expanded by make, quote '$'.
2699 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2701 # Add in --program-transform-name, after --program-prefix and
2702 # --program-suffix have been applied to it. Autoconf has already
2703 # doubled dollar signs and backslashes in program_transform_name; we want
2704 # the backslashes un-doubled, and then the entire thing wrapped in single
2705 # quotes, because this will be expanded first by make and then by the shell.
2706 # Also, because we want to override the logic in subdir configure scripts to
2707 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2708 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2709 ${program_transform_name}
2711 gcc_transform_name=`cat conftestsed.out`
2712 rm -f conftestsed.out
2713 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2714 if test "$silent" = yes; then
2715 baseargs="$baseargs --silent"
2717 baseargs="$baseargs --disable-option-checking"
2719 # For the build-side libraries, we just need to pretend we're native,
2720 # and not use the same cache file. Multilibs are neither needed nor
2722 build_configargs="--cache-file=../config.cache ${baseargs}"
2724 # For host modules, accept cache file option, or specification as blank.
2725 case "${cache_file}" in
2727 cache_file_option="" ;;
2728 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2729 cache_file_option="--cache-file=${cache_file}" ;;
2731 cache_file_option="--cache-file=../${cache_file}" ;;
2734 # Host dirs don't like to share a cache file either, horribly enough.
2735 # This seems to be due to autoconf 2.5x stupidity.
2736 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2738 target_configargs=${baseargs}
2740 # Passing a --with-cross-host argument lets the target libraries know
2741 # whether they are being built with a cross-compiler or being built
2742 # native. However, it would be better to use other mechanisms to make the
2743 # sorts of decisions they want to make on this basis. Please consider
2744 # this option to be deprecated. FIXME.
2745 if test x${is_cross_compiler} = xyes ; then
2746 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2749 # Default to --enable-multilib.
2750 if test x${enable_multilib} = x ; then
2751 target_configargs="--enable-multilib ${target_configargs}"
2754 # Pass --with-newlib if appropriate. Note that target_configdirs has
2755 # changed from the earlier setting of with_newlib.
2756 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2757 target_configargs="--with-newlib ${target_configargs}"
2760 # Different target subdirs use different values of certain variables
2761 # (notably CXX). Worse, multilibs use *lots* of different values.
2762 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2763 # it doesn't automatically accept command-line overrides of them.
2764 # This means it's not safe for target subdirs to share a cache file,
2765 # which is disgusting, but there you have it. Hopefully this can be
2766 # fixed in future. It's still worthwhile to use a cache file for each
2767 # directory. I think.
2769 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2770 # We need to pass --target, as newer autoconf's requires consistency
2771 # for target_alias and gcc doesn't manage it consistently.
2772 target_configargs="--cache-file=./config.cache ${target_configargs}"
2775 case " $target_configdirs " in
2777 case " $target_configargs " in
2778 *" --with-newlib "*)
2781 FLAGS_FOR_TARGET=$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' ;;
2784 # If we're not building GCC, don't discard standard headers.
2785 if test -d ${srcdir}/gcc; then
2786 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2788 if test "${build}" != "${host}"; then
2789 # On Canadian crosses, CC_FOR_TARGET will have already been set
2790 # by `configure', so we won't have an opportunity to add -Bgcc/
2791 # to it. This is right: we don't want to search that directory
2792 # for binaries, but we want the header files in there, so add
2794 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2796 # Someone might think of using the pre-installed headers on
2797 # Canadian crosses, in case the installed compiler is not fully
2798 # compatible with the compiler being built. In this case, it
2799 # would be better to flag an error than risking having
2800 # incompatible object files being constructed. We can't
2801 # guarantee that an error will be flagged, but let's hope the
2802 # compiler will do it, when presented with incompatible header
2807 case "${target}-${is_cross_compiler}" in
2808 i[[3456789]]86-*-linux*-no)
2809 # Here host == target, so we don't need to build gcc,
2810 # so we don't want to discard standard headers.
2811 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2814 # If we're building newlib, use its generic headers last, but search
2815 # for any libc-related directories first (so make it the last -B
2817 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2819 # If we're building libgloss, find the startup file, simulator library
2820 # and linker script.
2821 case " $target_configdirs " in
2823 # Look for startup file, simulator library and maybe linker script.
2824 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2825 # Look for libnosys.a in case the target needs it.
2826 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2827 # Most targets have the linker script in the source directory.
2828 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2839 # Can't be handled as Cygwin above since Mingw does not use newlib.
2840 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
2843 # Allow the user to override the flags for
2844 # our build compiler if desired.
2845 if test x"${build}" = x"${host}" ; then
2846 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2847 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2848 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2851 # On Canadian crosses, we'll be searching the right directories for
2852 # the previously-installed cross compiler, so don't bother to add
2853 # flags for directories within the install tree of the compiler
2854 # being built; programs in there won't even run.
2855 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2856 # Search for pre-installed headers if nothing else fits.
2857 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2860 if test "x${use_gnu_ld}" = x &&
2861 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2862 # Arrange for us to find uninstalled linker scripts.
2863 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2866 # Search for other target-specific linker scripts and such.
2869 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2873 # Makefile fragments.
2874 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2876 eval fragval=\$$frag
2877 if test $fragval != /dev/null; then
2878 eval $frag=${srcdir}/$fragval
2881 AC_SUBST_FILE(host_makefile_frag)
2882 AC_SUBST_FILE(target_makefile_frag)
2883 AC_SUBST_FILE(alphaieee_frag)
2884 AC_SUBST_FILE(ospace_frag)
2886 # Miscellanea: directories, flags, etc.
2887 AC_SUBST(RPATH_ENVVAR)
2888 AC_SUBST(GCC_SHLIB_SUBDIR)
2890 AC_SUBST(build_tooldir)
2891 AC_SUBST(CONFIGURE_GDB_TK)
2893 AC_SUBST(INSTALL_GDB_TK)
2895 # Build module lists & subconfigure args.
2896 AC_SUBST(build_configargs)
2897 AC_SUBST(build_configdirs)
2899 # Host module lists & subconfigure args.
2900 AC_SUBST(host_configargs)
2901 AC_SUBST(configdirs)
2903 # Target module lists & subconfigure args.
2904 AC_SUBST(target_configargs)
2908 AC_SUBST(AR_FOR_BUILD)
2909 AC_SUBST(AS_FOR_BUILD)
2910 AC_SUBST(CC_FOR_BUILD)
2911 AC_SUBST(CFLAGS_FOR_BUILD)
2912 AC_SUBST(CXXFLAGS_FOR_BUILD)
2913 AC_SUBST(CXX_FOR_BUILD)
2914 AC_SUBST(DLLTOOL_FOR_BUILD)
2915 AC_SUBST(GCJ_FOR_BUILD)
2916 AC_SUBST(GFORTRAN_FOR_BUILD)
2917 AC_SUBST(LDFLAGS_FOR_BUILD)
2918 AC_SUBST(LD_FOR_BUILD)
2919 AC_SUBST(NM_FOR_BUILD)
2920 AC_SUBST(RANLIB_FOR_BUILD)
2921 AC_SUBST(WINDMC_FOR_BUILD)
2922 AC_SUBST(WINDRES_FOR_BUILD)
2923 AC_SUBST(config_shell)
2925 # Generate default definitions for YACC, M4, LEX and other programs that run
2926 # on the build machine. These are used if the Makefile can't locate these
2927 # programs in objdir.
2928 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2930 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2931 case " $build_configdirs " in
2932 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2933 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2936 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2937 case " $build_configdirs " in
2938 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2941 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2942 case " $build_configdirs " in
2943 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2946 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2947 case " $build_configdirs " in
2948 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2949 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2952 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2953 case " $build_configdirs " in
2954 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2957 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2958 case " $build_configdirs " in
2959 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2962 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2963 # higher, else we use the "missing" dummy.
2964 if ${MAKEINFO} --version \
2965 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2968 MAKEINFO="$MISSING makeinfo"
2974 # FIXME: expect and dejagnu may become build tools?
2976 AC_CHECK_PROGS(EXPECT, expect, expect)
2977 case " $configdirs " in
2979 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2983 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2984 case " $configdirs " in
2986 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2992 NCN_STRICT_CHECK_TOOLS(AR, ar)
2993 NCN_STRICT_CHECK_TOOLS(AS, as)
2994 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2995 NCN_STRICT_CHECK_TOOLS(LD, ld)
2996 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2997 NCN_STRICT_CHECK_TOOLS(NM, nm)
2998 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2999 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
3000 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3001 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3002 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3003 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3010 AC_ARG_WITH([build-time-tools],
3011 [ --with-build-time-tools=PATH
3012 use given path to find target tools during the build],
3013 [case x"$withval" in
3016 with_build_time_tools=
3017 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3020 [with_build_time_tools=])
3022 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3023 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3024 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3025 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3026 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3028 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3029 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3030 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3031 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3032 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3033 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3034 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3035 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
3036 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3037 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3038 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3040 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3042 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3043 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3044 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3045 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3046 [gcc/g++ -B$$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],
3048 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3049 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3051 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3052 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3053 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3054 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3055 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3056 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3057 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3058 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3059 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3060 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3061 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3062 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3063 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3064 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3066 AC_SUBST(FLAGS_FOR_TARGET)
3067 AC_SUBST(RAW_CXX_FOR_TARGET)
3069 # Certain tools may need extra flags.
3070 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3071 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3072 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3074 # When building target libraries, except in a Canadian cross, we use
3075 # the same toolchain as the compiler we just built.
3076 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3077 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3078 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3079 if test $host = $build; then
3080 case " $configdirs " in
3082 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3083 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3084 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3089 AC_SUBST(COMPILER_AS_FOR_TARGET)
3090 AC_SUBST(COMPILER_LD_FOR_TARGET)
3091 AC_SUBST(COMPILER_NM_FOR_TARGET)
3093 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3094 AC_ARG_ENABLE(maintainer-mode,
3095 [ --enable-maintainer-mode enable make rules and dependencies not useful
3096 (and sometimes confusing) to the casual installer],
3097 USE_MAINTAINER_MODE=$enableval,
3098 USE_MAINTAINER_MODE=no)
3099 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3100 AC_SUBST(MAINTAINER_MODE_TRUE)
3101 AC_SUBST(MAINTAINER_MODE_FALSE)
3102 if test "$USE_MAINTAINER_MODE" = yes; then
3103 MAINTAINER_MODE_TRUE=
3104 MAINTAINER_MODE_FALSE='#'
3106 MAINTAINER_MODE_TRUE='#'
3107 MAINTAINER_MODE_FALSE=
3109 MAINT=$MAINTAINER_MODE_TRUE
3112 # ---------------------
3113 # GCC bootstrap support
3114 # ---------------------
3116 # Stage specific cflags for build.
3121 yes) stage1_cflags="-g -Wa,-J" ;;
3122 *) stage1_cflags="-g -J" ;;
3126 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3127 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3128 saved_CFLAGS="$CFLAGS"
3130 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3131 CFLAGS="$CFLAGS -fkeep-inline-functions"
3132 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3134 #if (__GNUC__ < 3) \
3135 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3136 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3137 #error http://gcc.gnu.org/PR29382
3140 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3141 [AC_MSG_RESULT([no])])
3143 CFLAGS="$saved_CFLAGS"
3146 AC_SUBST(stage1_cflags)
3148 # Enable --enable-checking in stage1 of the compiler.
3149 AC_ARG_ENABLE(stage1-checking,
3150 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3152 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3153 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3154 stage1_checking=--enable-checking=yes,types
3156 stage1_checking=--enable-checking=$enable_checking,types
3158 AC_SUBST(stage1_checking)
3160 # Enable -Werror in bootstrap stage2 and later.
3161 AC_ARG_ENABLE(werror,
3162 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3163 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3168 case ${enable_werror} in
3169 yes) stage2_werror_flag="--enable-werror-always" ;;
3170 *) stage2_werror_flag="" ;;
3172 AC_SUBST(stage2_werror_flag)
3174 # Specify what files to not compare during bootstrap.
3176 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3178 hppa*64*-*-hpux*) ;;
3179 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3181 AC_SUBST(compare_exclusions)
3183 AC_CONFIG_FILES([Makefile],
3184 [sed "$extrasub_build" Makefile |
3185 sed "$extrasub_host" |
3186 sed "$extrasub_target" > mf$$
3187 mv -f mf$$ Makefile],
3188 [extrasub_build="$extrasub_build"
3189 extrasub_host="$extrasub_host"
3190 extrasub_target="$extrasub_target"])