1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
26 AC_INIT(move-if-change)
30 # if PWD already has a value, it is probably wrong.
31 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
33 # Export original configure arguments for use by sub-configures.
34 # Quote arguments with shell meta charatcers.
35 TOPLEVEL_CONFIGURE_ARGUMENTS=
36 set -- "$progname" "$@"
40 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
41 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
42 # if the argument is of the form -foo=baz, quote the baz part only
43 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
46 # Add the quoted argument to the list.
47 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
49 if test "$silent" = yes; then
50 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
52 # Remove the initial space we just introduced and, as these will be
53 # expanded by make, quote '$'.
54 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
55 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
57 # Find the build, host, and target systems.
58 ACX_NONCANONICAL_BUILD
60 ACX_NONCANONICAL_TARGET
62 dnl Autoconf 2.5x and later will set a default program prefix if
63 dnl --target was used, even if it was the same as --host. Disable
64 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
66 test "$host_noncanonical" = "$target_noncanonical" &&
67 test "$program_prefix$program_suffix$program_transform_name" = \
69 program_transform_name=s,y,y,
74 m4_pattern_allow([^AS_FOR_TARGET$])dnl
75 m4_pattern_allow([^AS_FOR_BUILD$])dnl
77 # Get 'install' or 'install-sh' and its variants.
82 ### we might need to use some other shell than /bin/sh for running subshells
83 ### If we are on Windows, search for the shell. This will permit people
84 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
85 ### without also having to set CONFIG_SHELL. This code will work when
86 ### using bash, which sets OSTYPE.
89 if test x${CONFIG_SHELL} = x ; then
90 if test ! -f /bin/sh ; then
91 if test x${SHELL} != x && test -f ${SHELL} ; then
95 for prog in sh sh.exe bash bash.exe; do
96 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
98 test -z "$dir" && dir=.
99 if test -f $dir/$prog; then
100 CONFIG_SHELL=$dir/$prog
106 test -n "${CONFIG_SHELL}" && break
114 config_shell=${CONFIG_SHELL-/bin/sh}
116 moveifchange=${srcdir}/move-if-change
118 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
120 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
122 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
123 INSTALL="${srcpwd}/install-sh -c"
126 # Set srcdir to "." if that's what it is.
127 # This is important for multilib support.
129 if test "${pwd}" = "${srcpwd}" ; then
137 ### To add a new directory to the tree, first choose whether it is a target
138 ### or a host dependent tool. Then put it into the appropriate list
139 ### (library or tools, host or target), doing a dependency sort.
141 # Subdirs will be configured in the order listed in build_configdirs,
142 # configdirs, or target_configdirs; see the serialization section below.
144 # Dependency sorting is only needed when *configuration* must be done in
145 # a particular order. In all cases a dependency should be specified in
146 # the Makefile, whether or not it's implicitly specified here.
148 # Double entries in build_configdirs, configdirs, or target_configdirs may
149 # cause circular dependencies and break everything horribly.
151 # these library is used by various programs built for the build
154 build_libs="build-libiberty"
156 # these tools are built for the build environment
157 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
159 # these libraries are used by various programs built for the host environment
161 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libiconv"
163 # these tools are built for the host environment
164 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
165 # know that we are building the simulator.
166 # binutils, gas and ld appear in that order because it makes sense to run
167 # "make check" in that particular order.
168 # If --enable-gold is used, "gold" will replace "ld".
169 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
171 # libgcj represents the runtime libraries only used by gcj.
172 libgcj="target-libffi \
177 # these libraries are built for the target environment, and are built after
178 # the host libraries and the host tools (which may be a cross compiler)
180 target_libraries="target-libgcc \
185 target-libstdc++-v3 \
194 # these tools are built using the target libraries, and are intended to
195 # run only in the target environment
197 # note: any program that *uses* libraries that are in the "target_libraries"
198 # list belongs in this list. those programs are also very likely
199 # candidates for the "native_only" list which follows
201 target_tools="target-examples target-groff target-gperf target-rda"
203 ################################################################################
205 ## All tools belong in one of the four categories, and are assigned above
206 ## We assign ${configdirs} this way to remove all embedded newlines. This
207 ## is important because configure will choke if they ever get through.
208 ## ${configdirs} is directories we build using the host tools.
209 ## ${target_configdirs} is directories we build using the target tools.
210 configdirs=`echo ${host_libs} ${host_tools}`
211 target_configdirs=`echo ${target_libraries} ${target_tools}`
212 build_configdirs=`echo ${build_libs} ${build_tools}`
214 m4_divert_text([PARSE_ARGS],
215 [ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
218 ################################################################################
220 srcname="gnu development package"
222 # This gets set non-empty for some net releases of packages.
225 # Define is_cross_compiler to save on calls to 'test'.
227 if test x"${host}" = x"${target}" ; then
230 is_cross_compiler=yes
233 # Find the build and target subdir names.
236 # Skipdirs are removed silently.
238 # Noconfigdirs are removed loudly.
242 # Make sure we don't let GNU ld be added if we didn't want it.
243 if test x$with_gnu_ld = xno ; then
245 noconfigdirs="$noconfigdirs ld gold"
249 # Make sure we don't let GNU as be added if we didn't want it.
250 if test x$with_gnu_as = xno ; then
252 noconfigdirs="$noconfigdirs gas"
255 # some tools are so dependent upon X11 that if we're not building with X,
256 # it's not even worth trying to configure, much less build, that tool.
259 yes | "") ;; # the default value for this tree is that X11 is available
261 skipdirs="${skipdirs} tk itcl libgui"
262 # We won't be able to build gdbtk without X.
265 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
268 # Some tools are only suitable for building in a "native" situation.
269 # Remove these if host!=target.
270 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
272 # Similarly, some are only suitable for cross toolchains.
273 # Remove these if host=target.
274 cross_only="target-libgloss target-newlib target-opcodes"
276 case $is_cross_compiler in
277 no) skipdirs="${skipdirs} ${cross_only}" ;;
278 yes) skipdirs="${skipdirs} ${native_only}" ;;
281 # If both --with-headers and --with-libs are specified, default to
283 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
284 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
285 if test x"${with_newlib}" = x ; then
290 # Recognize --with-newlib/--without-newlib.
291 case ${with_newlib} in
292 no) skipdirs="${skipdirs} target-newlib" ;;
293 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
296 # Handle --enable-gold.
299 [ --enable-gold use gold instead of ld],
300 ENABLE_GOLD=$enableval,
302 if test "${ENABLE_GOLD}" = "yes"; then
303 # Check for ELF target.
306 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
307 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
308 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
310 *-*-linux*aout* | *-*-linux*oldld*)
318 if test "$is_elf" = "yes"; then
319 # Check for target supported by gold.
321 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
322 configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
328 # Configure extra directories which are host specific
332 configdirs="$configdirs libtermcap" ;;
335 # A target can indicate whether a language isn't supported for some reason.
336 # Only spaces may be used in this macro; not newlines or tabs.
337 unsupported_languages=
339 # Remove more programs from consideration, based on the host or
340 # target this usually means that a port of the program doesn't
345 noconfigdirs="$noconfigdirs byacc"
347 i[[3456789]]86-*-vsta)
348 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
350 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
351 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
354 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
356 i[[3456789]]86-*-mingw32*)
357 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
358 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
360 i[[3456789]]86-*-beos*)
361 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
364 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
367 noconfigdirs="$noconfigdirs rcs"
370 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
373 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
378 AC_ARG_ENABLE(libada,
379 [ --enable-libada build libada directory],
380 ENABLE_LIBADA=$enableval,
382 if test "${ENABLE_LIBADA}" != "yes" ; then
383 noconfigdirs="$noconfigdirs gnattools"
386 AC_ARG_ENABLE(libssp,
387 [ --enable-libssp build libssp directory],
388 ENABLE_LIBSSP=$enableval,
391 # Save it here so that, even in case of --enable-libgcj, if the Java
392 # front-end isn't enabled, we still get libgcj disabled.
394 case $enable_libgcj in
396 # If we reset it here, it won't get added to noconfigdirs in the
397 # target-specific build rules, so it will be forcibly enabled
398 # (unless the Java language itself isn't enabled).
402 # Make sure we get it printed in the list of not supported target libs.
403 noconfigdirs="$noconfigdirs ${libgcj}"
408 # Disable libmudflap on some systems.
409 if test x$enable_libmudflap = x ; then
411 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
412 # Enable libmudflap by default in GNU and friends.
415 # Enable libmudflap by default in FreeBSD.
418 # Disable it by default everywhere else.
419 noconfigdirs="$noconfigdirs target-libmudflap"
424 # Disable libgomp on non POSIX hosted systems.
425 if test x$enable_libgomp = x ; then
426 # Enable libgomp by default on hosted POSIX systems.
428 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
430 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
432 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
434 *-*-darwin* | *-*-aix*)
437 noconfigdirs="$noconfigdirs target-libgomp"
442 # Default libgloss CPU subdirectory.
443 libgloss_dir="$target_cpu"
447 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
450 noconfigdirs="$noconfigdirs ld gas gdb gprof"
451 noconfigdirs="$noconfigdirs sim target-rda"
453 i[[3456789]]86-*-darwin* | x86_64-*-darwin[[912]]*)
454 noconfigdirs="$noconfigdirs ld gas gprof"
455 noconfigdirs="$noconfigdirs sim target-rda"
458 noconfigdirs="$noconfigdirs ld gas gdb gprof"
459 noconfigdirs="$noconfigdirs sim target-rda"
460 noconfigdirs="$noconfigdirs ${libgcj}"
462 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
463 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
466 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
467 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
468 && test -f /usr/local/include/gmp.h; then
472 # Skip some stuff that's unsupported on some FreeBSD configurations.
477 noconfigdirs="$noconfigdirs ${libgcj}"
482 # Remove unsupported stuff on all kaOS configurations.
483 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
484 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
485 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
486 noconfigdirs="$noconfigdirs target-libgloss"
489 # Skip some stuff on all NetBSD configurations.
490 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
492 # Skip some stuff that's unsupported on some NetBSD configurations.
494 i*86-*-netbsdelf*) ;;
495 arm*-*-netbsdelf*) ;;
497 noconfigdirs="$noconfigdirs ${libgcj}"
502 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
505 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
507 # The tpf target doesn't support gdb yet.
509 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
512 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
515 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
518 # ld works, but does not support shared libraries.
519 # newlib is not 64 bit ready. I'm not sure about fileutils.
520 # gas doesn't generate exception information.
521 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
524 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
527 # newlib is not 64 bit ready
528 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
531 # newlib is not 64 bit ready
532 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
535 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
538 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
540 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
541 noconfigdirs="$noconfigdirs ${libgcj}"
542 noconfigdirs="$noconfigdirs target-examples"
543 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
544 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
545 noconfigdirs="$noconfigdirs expect dejagnu"
546 # the C++ libraries don't build on top of CE's C libraries
547 noconfigdirs="$noconfigdirs target-libstdc++-v3"
548 noconfigdirs="$noconfigdirs target-newlib"
550 *-*-cygwin*) ;; # keep gdb and readline
551 *) noconfigdirs="$noconfigdirs gdb readline"
557 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
561 arm-*-coff | strongarm-*-coff | xscale-*-coff)
562 noconfigdirs="$noconfigdirs ${libgcj}"
565 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
566 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
569 arm*-*-linux-gnueabi)
570 noconfigdirs="$noconfigdirs target-qthreads"
571 case ${with_newlib} in
572 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
577 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
581 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
584 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
587 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
590 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
593 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
596 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
599 noconfigdirs="$noconfigdirs gdb"
600 if test x${is_cross_compiler} != xno ; then
601 target_configdirs="${target_configdirs} target-bsp target-cygmon"
605 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
607 c54x*-*-* | tic54x-*-*)
608 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
611 noconfigdirs="$noconfigdirs ${libgcj} gdb"
613 cris-*-* | crisv32-*-*)
614 unsupported_languages="$unsupported_languages java"
617 unsupported_languages="$unsupported_languages fortran"
618 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
620 noconfigdirs="$noconfigdirs target-boehm-gc";;
622 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
624 unsupported_languages="$unsupported_languages fortran"
625 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
630 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
633 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
636 noconfigdirs="$noconfigdirs ${libgcj} gdb"
638 ep9312-*-elf | ep9312-*-coff)
642 noconfigdirs="$noconfigdirs ${libgcj} gdb"
645 noconfigdirs="$noconfigdirs ${libgcj}"
648 noconfigdirs="$noconfigdirs ${libgcj}"
649 noconfigdirs="$noconfigdirs gprof"
652 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
655 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
657 hppa1.1-*-osf* | hppa1.1-*-bsd* )
659 hppa*64*-*-linux* | parisc*64*-*-linux*)
660 # In this case, it's because the hppa64-linux target is for
661 # the kernel only at this point and has no libc, and thus no
662 # headers, crt*.o, etc., all of which are needed by these.
663 noconfigdirs="$noconfigdirs target-zlib"
665 parisc*-*-linux* | hppa*-*-linux*)
671 noconfigdirs="$noconfigdirs ${libgcj}"
674 noconfigdirs="$noconfigdirs ld shellutils"
680 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
681 # build on HP-UX 10.20.
682 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
685 noconfigdirs="$noconfigdirs ${libgcj} gdb"
688 # No gdb support yet.
689 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
692 # No gdb or ld support yet.
693 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
696 # No gdb or ld support yet.
697 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
701 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
702 noconfigdirs="$noconfigdirs ${libgcj}"
705 i[[3456789]]86-*-linux*)
706 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
707 # not build java stuff by default.
710 noconfigdirs="$noconfigdirs ${libgcj}";;
713 # This section makes it possible to build newlib natively on linux.
714 # If we are using a cross compiler then don't configure newlib.
715 if test x${is_cross_compiler} != xno ; then
716 noconfigdirs="$noconfigdirs target-newlib"
718 noconfigdirs="$noconfigdirs target-libgloss"
719 # If we are not using a cross compiler, do configure newlib.
720 # Note however, that newlib will only be configured in this situation
721 # if the --with-newlib option has been given, because otherwise
722 # 'target-newlib' will appear in skipdirs.
724 i[[3456789]]86-*-mingw32*)
725 target_configdirs="$target_configdirs target-winsup"
726 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
729 target_configdirs="$target_configdirs target-winsup"
730 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
733 target_configdirs="$target_configdirs target-libtermcap target-winsup"
734 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
735 # always build newlib if winsup directory is present.
736 if test -d "$srcdir/winsup/cygwin"; then
737 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
738 elif test -d "$srcdir/newlib"; then
739 echo "Warning: winsup/cygwin is missing so newlib can't be built."
742 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
743 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
746 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
748 i[[3456789]]86-*-sco3.2v5*)
749 # The linker does not yet know about weak symbols in COFF,
750 # and is not configured to handle mixed ELF and COFF.
751 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
753 i[[3456789]]86-*-sco*)
754 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
756 i[[3456789]]86-*-solaris2*)
757 noconfigdirs="$noconfigdirs target-libgloss"
759 i[[3456789]]86-*-sysv4*)
760 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
762 i[[3456789]]86-*-beos*)
763 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
765 i[[3456789]]86-*-rdos*)
766 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
769 noconfigdirs="$noconfigdirs ${libgcj}"
771 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
772 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
776 noconfigdirs="$noconfigdirs ${libgcj}"
779 noconfigdirs="$noconfigdirs ${libgcj}"
785 # The EPOC C++ environment does not support exceptions or rtti,
786 # and so building libstdc++-v3 tends not to always work.
787 noconfigdirs="$noconfigdirs target-libstdc++-v3"
790 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
791 unsupported_languages="$unsupported_languages fortran java"
794 noconfigdirs="$noconfigdirs ${libgcj}"
797 noconfigdirs="$noconfigdirs ${libgcj}"
800 noconfigdirs="$noconfigdirs sim"
803 # copied from rs6000-*-* entry
804 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
806 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
807 target_configdirs="$target_configdirs target-winsup"
808 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
809 # always build newlib.
810 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
812 # This is temporary until we can link against shared libraries
813 powerpcle-*-solaris*)
814 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
818 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
821 noconfigdirs="$noconfigdirs ${libgcj}"
824 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
828 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
831 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
834 noconfigdirs="$noconfigdirs gprof ${libgcj}"
837 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
840 skipdirs="$skipdirs target-libiberty"
841 noconfigdirs="$noconfigdirs ${libgcj}"
842 if test x$with_newlib = xyes; then
843 noconfigdirs="$noconfigdirs gprof"
848 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
851 # Linking libjava exceeds command-line length limits on at least
852 # IRIX 6.2, but not on IRIX 6.5.
853 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
854 # <oldham@codesourcery.com>
855 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
858 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
861 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
864 noconfigdirs="$noconfigdirs gprof ${libgcj}"
868 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
872 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
873 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
874 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
875 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
879 noconfigdirs="$noconfigdirs ${libgcj}" ;;
881 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
884 sparclet-*-aout* | sparc86x-*-*)
888 noconfigdirs="$noconfigdirs ${libgcj}"
891 noconfigdirs="$noconfigdirs ${libgcj}"
895 noconfigdirs="$noconfigdirs ${libgcj}"
899 noconfigdirs="$noconfigdirs ${libgcj}"
900 if test x${is_cross_compiler} != xno ; then
901 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
906 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
907 noconfigdirs="$noconfigdirs ${libgcj}"
909 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
912 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
915 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
918 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
921 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
924 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
927 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
930 noconfigdirs="$noconfigdirs ${libgcj}"
933 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
935 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
936 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
939 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
942 noconfigdirs="$noconfigdirs ${libgcj}"
946 # If we aren't building newlib, then don't build libgloss, since libgloss
947 # depends upon some newlib header files.
948 case "${noconfigdirs}" in
949 *target-libgloss*) ;;
950 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
953 # Work in distributions that contain no compiler tools, like Autoconf.
955 host_makefile_frag=/dev/null
956 if test -d ${srcdir}/config ; then
959 # Avoid "too much defining" errors from HPUX compiler.
960 tentative_cc="cc -Wp,-H256000"
961 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
962 # If it's HP/UX ar, this should be harmless.
966 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
969 #None of the Apollo compilers can compile gas or binutils. The preprocessor
970 # chokes on bfd, the compiler won't let you assign integers to enums, and
971 # other problems. Defining CC to gcc is a questionable way to say "don't use
972 # the apollo compiler" (the preferred version of GCC could be called cc,
973 # or whatever), but I'm not sure leaving CC as cc is any better...
974 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
975 # Used to have BISON=yacc.
979 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
982 # Under CX/UX, we want to tell the compiler to use ANSI mode.
983 tentative_cc="cc -Xa"
984 host_makefile_frag="config/mh-cxux"
989 tentative_cc="cc -Wf,-XNg1000"
990 host_makefile_frag="config/mh-decstation"
993 # The C compiler on NEC MIPS SVR4 needs bigger tables.
994 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
995 host_makefile_frag="config/mh-necv4"
998 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
999 # environment. Also bump switch table size so that cp-parse will
1000 # compile. Bump string length limit so linker builds.
1001 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1004 host_makefile_frag="config/mh-sysv4"
1007 # This is for a MIPS running RISC/os 4.52C.
1009 # This is needed for GDB, but needs to be in the top-level make because
1010 # if a library is compiled with the bsd headers and gets linked with the
1011 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1012 # a different size).
1013 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1014 # known except to select the sysv environment. Could we use /proc instead?
1015 # These "sysv environments" and "bsd environments" often end up being a pain.
1017 # This is not part of CFLAGS because perhaps not all C compilers have this
1019 tentative_cc="cc -systype sysv"
1024 i[[3456789]]86-*-sysv5*)
1025 host_makefile_frag="config/mh-sysv5"
1027 i[[3456789]]86-*-dgux*)
1028 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1029 host_makefile_frag="config/mh-dgux386"
1031 i[[3456789]]86-ncr-sysv4.3*)
1032 # The MetaWare compiler will generate a copyright message unless you
1033 # turn it off by adding the -Hnocopyr flag.
1034 tentative_cc="cc -Hnocopyr"
1036 i[[3456789]]86-ncr-sysv4*)
1037 # for an NCR 3000 (i486/SVR4) system.
1038 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1039 # This compiler not only emits obnoxious copyright messages every time
1040 # you run it, but it chokes and dies on a whole bunch of GNU source
1041 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1042 tentative_cc="/usr/ccs/ATT/cc"
1043 host_makefile_frag="config/mh-ncr3000"
1045 i[[3456789]]86-*-sco3.2v5*)
1047 i[[3456789]]86-*-sco*)
1048 # The native C compiler botches some simple uses of const. Unfortunately,
1049 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1050 tentative_cc="cc -Dconst="
1051 host_makefile_frag="config/mh-sco"
1053 i[[3456789]]86-*-udk*)
1054 host_makefile_frag="config/mh-sysv5"
1056 i[[3456789]]86-*-solaris2*)
1057 host_makefile_frag="config/mh-sysv4"
1059 i[[3456789]]86-*-msdosdjgpp*)
1060 host_makefile_frag="config/mh-djgpp"
1063 ACX_CHECK_CYGWIN_CAT_WORKS
1064 host_makefile_frag="config/mh-cygwin"
1067 host_makefile_frag="config/mh-mingw"
1070 host_makefile_frag="config/mh-interix"
1073 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1077 host_makefile_frag="config/mh-solaris"
1080 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1081 # without overflowing the jump tables (-J says to use a 32 bit table)
1082 tentative_cc="cc -J"
1085 tentative_cc="cc -Wp,-H256000"
1086 host_makefile_frag="config/mh-pa-hpux10"
1088 hppa*-hp-hpux* | hppa*-*-hiux*)
1089 tentative_cc="cc -Wp,-H256000"
1090 host_makefile_frag="config/mh-pa"
1093 host_makefile_frag="config/mh-pa"
1095 *-hp-hpux* | *-*-hiux*)
1096 tentative_cc="cc -Wp,-H256000"
1099 # /bin/cc is less than useful for our purposes. Always use GCC
1100 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1101 host_makefile_frag="config/mh-lynxrs6k"
1104 host_makefile_frag="config/mh-ppc-darwin"
1107 host_makefile_frag="config/mh-ppc-aix"
1110 host_makefile_frag="config/mh-ppc-aix"
1113 # /bin/cc is less than useful for our purposes. Always use GCC
1114 tentative_cc="/bin/gcc"
1117 host_makefile_frag="config/mh-sysv4"
1119 # This is placed last to prevent interfering with the cases above.
1121 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1122 host_makefile_frag="config/mh-x86omitfp"
1127 # If we aren't going to be using gcc, see if we can extract a definition
1128 # of CC from the fragment.
1129 # Actually, use the 'pre-extracted' version above.
1130 if test -z "${CC}" && test "${build}" = "${host}" ; then
1131 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1133 for dir in $PATH; do
1134 test -z "$dir" && dir=.
1135 if test -f $dir/gcc; then
1141 if test -z "${found}" && test -n "${tentative_cc}" ; then
1146 if test "${build}" != "${host}" ; then
1147 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1148 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1149 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1150 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1151 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1152 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1153 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1154 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1155 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1156 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1157 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1158 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1160 AR_FOR_BUILD="\$(AR)"
1161 AS_FOR_BUILD="\$(AS)"
1162 CC_FOR_BUILD="\$(CC)"
1163 CXX_FOR_BUILD="\$(CXX)"
1164 GCJ_FOR_BUILD="\$(GCJ)"
1165 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1166 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1167 LD_FOR_BUILD="\$(LD)"
1168 NM_FOR_BUILD="\$(NM)"
1169 RANLIB_FOR_BUILD="\$(RANLIB)"
1170 WINDRES_FOR_BUILD="\$(WINDRES)"
1171 WINDMC_FOR_BUILD="\$(WINDMC)"
1177 # We must set the default linker to the linker used by gcc for the correct
1178 # operation of libtool. If LD is not defined and we are using gcc, try to
1179 # set the LD default to the ld used by gcc.
1180 if test -z "$LD"; then
1181 if test "$GCC" = yes; then
1184 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1186 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1188 case $gcc_prog_ld in
1189 # Accept absolute paths.
1190 [[\\/]* | [A-Za-z]:[\\/]*)]
1191 LD="$gcc_prog_ld" ;;
1197 ACX_PROG_CMP_IGNORE_INITIAL
1199 # See if we are building gcc with C++.
1200 AC_ARG_ENABLE(build-with-cxx,
1201 [ --enable-build-with-cxx build with C++ compiler instead of C compiler],
1202 ENABLE_BUILD_WITH_CXX=$enableval,
1203 ENABLE_BUILD_WITH_CXX=no)
1205 # Check for GMP, MPFR and MPC
1206 gmplibs="-lmpfr -lgmp"
1213 # Specify a location for mpc
1214 # check for this first so it ends up on the link line before mpfr.
1215 AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
1216 Equivalent to --with-mpc-include=PATH/include
1217 plus --with-mpc-lib=PATH/lib])
1218 AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
1219 specify directory for installed MPC include files])
1220 AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
1222 if test "x$with_mpc" != x; then
1223 mpclibs="-L$with_mpc/lib -lmpc"
1224 mpcinc="-I$with_mpc/include $mpcinc"
1226 if test "x$with_mpc_include" != x; then
1227 mpcinc="-I$with_mpc_include $mpcinc"
1229 if test "x$with_mpc_lib" != x; then
1230 mpclibs="-L$with_mpc_lib -lmpc"
1232 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1233 mpclibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs -lmpc'
1234 mpcinc='-I$$s/mpc/src '"$mpcinc"
1235 # Do not test the mpc version. Assume that it is sufficient, since
1236 # it is in the source tree, and the library has not been built yet
1237 # but it would be included on the link line in the version check below
1238 # hence making the test fail.
1242 # Specify a location for mpfr
1243 # check for this first so it ends up on the link line before gmp.
1244 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
1245 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1246 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1248 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
1249 Equivalent to --with-mpfr-include=PATH/include
1250 plus --with-mpfr-lib=PATH/lib])
1251 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1252 specify directory for installed MPFR include files])
1253 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
1255 if test "x$with_mpfr" != x; then
1256 gmplibs="-L$with_mpfr/lib $gmplibs"
1257 gmpinc="-I$with_mpfr/include"
1259 if test "x$with_mpfr_include" != x; then
1260 gmpinc="-I$with_mpfr_include"
1262 if test "x$with_mpfr_lib" != x; then
1263 gmplibs="-L$with_mpfr_lib $gmplibs"
1265 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1266 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1267 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1268 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr'
1269 # Do not test the mpfr version. Assume that it is sufficient, since
1270 # it is in the source tree, and the library has not been built yet
1271 # but it would be included on the link line in the version check below
1272 # hence making the test fail.
1276 # Specify a location for gmp
1277 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
1278 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1279 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1281 AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
1282 Equivalent to --with-gmp-include=PATH/include
1283 plus --with-gmp-lib=PATH/lib])
1284 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
1285 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
1288 if test "x$with_gmp" != x; then
1289 gmplibs="-L$with_gmp/lib $gmplibs"
1290 gmpinc="-I$with_gmp/include $gmpinc"
1292 if test "x$with_gmp_include" != x; then
1293 gmpinc="-I$with_gmp_include $gmpinc"
1295 if test "x$with_gmp_lib" != x; then
1296 gmplibs="-L$with_gmp_lib $gmplibs"
1298 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1299 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1300 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1301 extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
1302 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp'
1303 # Do not test the gmp version. Assume that it is sufficient, since
1304 # it is in the source tree, and the library has not been built yet
1305 # but it would be included on the link line in the version check below
1306 # hence making the test fail.
1310 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1312 saved_CFLAGS="$CFLAGS"
1313 CFLAGS="$CFLAGS $gmpinc"
1314 # Check GMP actually works
1315 AC_MSG_CHECKING([for correct version of gmp.h])
1316 AC_TRY_COMPILE([#include "gmp.h"],[
1317 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
1320 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1322 # If we have GMP, check the MPFR version.
1323 if test x"$have_gmp" = xyes; then
1324 dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
1325 AC_MSG_CHECKING([for correct version of mpfr.h])
1326 AC_TRY_COMPILE([#include <gmp.h>
1327 #include <mpfr.h>],[
1328 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
1331 ], AC_TRY_COMPILE([#include <gmp.h>
1332 #include <mpfr.h>],[
1333 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
1336 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
1337 [AC_MSG_RESULT([no]); have_gmp=no])
1340 # Check for the MPC header version.
1341 if test x"$have_mpc" != xyes ; then
1342 CFLAGS="$CFLAGS $mpcinc"
1343 AC_MSG_CHECKING([for the correct version of mpc.h])
1344 AC_TRY_COMPILE([#include <mpc.h>],[
1345 #if MPC_VERSION < MPC_VERSION_NUM (0,6,0)
1348 ], [AC_MSG_RESULT([yes]); have_mpc=maybe],
1349 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1352 # Now check the MPFR library.
1353 if test x"$have_gmp" = xyes; then
1355 LIBS="$LIBS $gmplibs"
1356 AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
1357 AC_TRY_LINK([#include <gmp.h>
1358 #include <mpfr.h>],[
1364 mpfr_atan2 (n, n, x, GMP_RNDN);
1365 mpfr_erfc (n, x, GMP_RNDN);
1366 mpfr_subnormalize (x, t, GMP_RNDN);
1367 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1371 if test x"$have_mpc" = xmaybe; then
1373 LIBS="$LIBS $mpclibs $gmplibs"
1374 AC_MSG_CHECKING([for the correct version of the mpc library])
1375 AC_TRY_LINK([#include <mpc.h>],[
1378 mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
1379 mpc_sin (n, n, MPC_RNDNN);
1380 mpc_cos (n, n, MPC_RNDNN);
1381 mpc_tan (n, n, MPC_RNDNN);
1382 mpc_sinh (n, n, MPC_RNDNN);
1383 mpc_cosh (n, n, MPC_RNDNN);
1384 mpc_tanh (n, n, MPC_RNDNN);
1385 mpc_exp (n, n, MPC_RNDNN);
1386 mpc_log (n, n, MPC_RNDNN);
1387 mpc_sqrt (n, n, MPC_RNDNN);
1388 mpc_proj (n, n, MPC_RNDNN);
1389 mpc_neg (n, n, MPC_RNDNN);
1390 mpc_sqr (n, n, MPC_RNDNN);
1392 ], [AC_MSG_RESULT([yes]); have_mpc=yes],
1393 [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
1397 CFLAGS="$saved_CFLAGS"
1399 if test x$have_gmp != xyes; then
1400 AC_MSG_ERROR([Building GCC requires GMP 4.2+ and MPFR 2.3.2+.
1401 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1402 Copies of these libraries' source code can be found at their respective
1403 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1404 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1405 If you obtained GMP and/or MPFR from a vendor distribution package, make
1406 sure that you have installed both the libraries and the header files.
1407 They may be located in separate packages.])
1411 if test x$have_mpc != xyes ; then
1416 gmpinc="$mpcinc $gmpinc"
1417 gmplibs="$mpclibs $gmplibs"
1419 # Flags needed for both GMP, MPFR and/or MPC.
1422 AC_SUBST(extra_mpfr_configure_flags)
1423 AC_SUBST(extra_mpc_gmp_configure_flags)
1424 AC_SUBST(extra_mpc_mpfr_configure_flags)
1426 # Allow host libstdc++ to be specified for static linking with PPL.
1427 AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
1428 when linking with PPL])
1430 case $with_host_libstdcxx in
1432 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1436 # Linker flags to use for stage1 or when not boostrapping.
1437 AC_ARG_WITH(stage1-ldflags,
1438 [ --with-stage1-ldflags=FLAGS Linker flags for stage1],
1439 [if test "$withval" = "no" -o "$withval" = "yes"; then
1442 stage1_ldflags=$withval
1445 AC_SUBST(stage1_ldflags)
1447 # Libraries to use for stage1 or when not bootstrapping.
1448 AC_ARG_WITH(stage1-libs,
1449 [ -with-stage1-libs=LIBS Libraries for stage1],
1450 [if test "$withval" = "no" -o "$withval" = "yes"; then
1453 stage1_libs=$withval
1455 [stage1_libs=$with_host_libstdcxx])
1456 AC_SUBST(stage1_libs)
1458 # Linker flags to use for stage2 and later builds.
1459 AC_ARG_WITH(boot-ldflags,
1460 [ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
1461 [if test "$withval" = "no" -o "$withval" = "yes"; then
1464 poststage1_ldflags=$withval
1466 [if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1467 poststage1_ldflags=-static-libstdc++
1471 AC_SUBST(poststage1_ldflags)
1473 # Libraries to use for stage2 and later builds. This defaults to the
1474 # argument passed to --with-host-libstdcxx.
1475 AC_ARG_WITH(boot-libs,
1476 [ --with-boot-libs=LIBS Libraries for stage2 and later],
1477 [if test "$withval" = "no" -o "$withval" = "yes"; then
1480 poststage1_libs=$withval
1482 [poststage1_libs=$with_host_libstdcxx])
1483 AC_SUBST(poststage1_libs)
1487 ppl_minor_version=10
1488 ppllibs=" -lppl_c -lppl -lgmpxx"
1491 AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
1492 Equivalent to --with-ppl-include=PATH/include
1493 plus --with-ppl-lib=PATH/lib],, with_ppl=no)
1494 AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
1495 AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
1502 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
1503 pplinc="-I$with_ppl/include $pplinc"
1504 LIBS="$ppllibs $LIBS"
1507 if test "x$with_ppl_include" != x; then
1508 pplinc="-I$with_ppl_include $pplinc"
1510 if test "x$with_ppl_lib" != x; then
1511 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
1512 LIBS="$ppllibs $LIBS"
1514 if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1515 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/.libs -L$$r/$(HOST_SUBDIR)/ppl/_libs -lppl_c -lppl -lgmpxx '
1516 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/include -I$$s/ppl/include '
1517 LIBS="$ppllibs $LIBS"
1520 AC_ARG_ENABLE(ppl-version-check,
1521 [ --disable-ppl-version-check disable check for PPL version],
1522 ENABLE_PPL_CHECK=$enableval,
1523 ENABLE_PPL_CHECK=yes)
1525 if test "${ENABLE_PPL_CHECK}" = "yes"; then
1526 saved_CFLAGS="$CFLAGS"
1527 CFLAGS="$CFLAGS $pplinc $gmpinc"
1528 AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
1529 AC_TRY_COMPILE([#include "ppl_c.h"],[
1530 #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
1533 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ])
1534 CFLAGS="$saved_CFLAGS"
1537 # Flags needed for PPL
1543 clooglibs=" -lcloog "
1544 clooginc=" -DCLOOG_PPL_BACKEND "
1546 AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
1547 Equivalent to --with-cloog-include=PATH/include
1548 plus --with-cloog-lib=PATH/lib],, with_cloog=no)
1549 AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
1550 AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
1558 clooglibs="-L$with_cloog/lib -lcloog"
1559 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
1560 LIBS="$clooglibs $LIBS"
1563 if test "x$with_cloog_include" != x; then
1564 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
1566 if test "x$with_cloog_lib" != x; then
1567 clooglibs="-L$with_cloog_lib -lcloog"
1568 LIBS="$clooglibs $LIBS"
1570 if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
1571 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
1572 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
1573 LIBS="$clooglibs $LIBS"
1576 AC_ARG_ENABLE(cloog-version-check,
1577 [ --disable-cloog-version-check disable check for CLooG version],
1578 ENABLE_CLOOG_CHECK=$enableval,
1579 ENABLE_CLOOG_CHECK=yes)
1581 if test "${ENABLE_CLOOG_CHECK}" = "yes"; then
1582 saved_CFLAGS="$CFLAGS"
1583 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
1584 AC_MSG_CHECKING([for correct version of CLooG])
1585 AC_TRY_COMPILE([#include "cloog/cloog.h"],[
1586 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
1589 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
1590 CFLAGS="$saved_CFLAGS"
1593 # Flags needed for CLOOG
1598 # By default, C is the only stage 1 language.
1599 stage1_languages=,c,
1601 # Target libraries that we bootstrap.
1602 bootstrap_target_libs=,target-libgcc,
1604 # Figure out what language subdirectories are present.
1605 # Look if the user specified --enable-languages="..."; if not, use
1606 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1608 # NB: embedded tabs in this IF block -- do not untabify
1609 if test -d ${srcdir}/gcc; then
1610 if test x"${enable_languages+set}" != xset; then
1611 if test x"${LANGUAGES+set}" = xset; then
1612 enable_languages="${LANGUAGES}"
1613 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1615 enable_languages=all
1618 if test x"${enable_languages}" = x ||
1619 test x"${enable_languages}" = xyes;
1621 echo configure.in: --enable-languages needs at least one language argument 1>&2
1625 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1627 # 'f95' is the old name for the 'fortran' language. We issue a warning
1628 # and make the substitution.
1629 case ,${enable_languages}, in
1631 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1632 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1636 # First scan to see if an enabled language requires some other language.
1637 # We assume that a given config-lang.in will list all the language
1638 # front ends it requires, even if some are required indirectly.
1639 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1640 case ${lang_frag} in
1642 # The odd quoting in the next line works around
1643 # an apparent bug in bash 1.12 on linux.
1644 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1646 # From the config-lang.in, get $language, $lang_requires
1650 for other in ${lang_requires} ; do
1651 case ,${enable_languages}, in
1655 echo " \`$other' language required by \`$language'; enabling" 1>&2
1656 enable_languages="${enable_languages},${other}"
1664 new_enable_languages=,c,
1665 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1666 potential_languages=,c,
1668 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1669 case ${lang_frag} in
1671 # The odd quoting in the next line works around
1672 # an apparent bug in bash 1.12 on linux.
1673 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1675 # From the config-lang.in, get $language, $target_libs,
1676 # $lang_dirs, $boot_language, and $build_by_default
1682 build_by_default=yes
1684 if test x${language} = x; then
1685 echo "${lang_frag} doesn't set \$language." 1>&2
1689 if test "$language" = "c++" -a "$ENABLE_BUILD_WITH_CXX" = "yes"; then
1693 case ,${enable_languages}, in
1695 # Language was explicitly selected; include it.
1699 # 'all' was selected, select it if it is a default language
1700 add_this_lang=${build_by_default}
1707 # Disable languages that need other directories if these aren't available.
1708 for i in $subdir_requires; do
1709 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1710 case ,${enable_languages}, in
1712 # Specifically requested language; tell them.
1713 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1717 add_this_lang=unsupported
1722 # Disable Ada if no preexisting GNAT is available.
1723 case ,${enable_languages},:${language}:${have_gnat} in
1724 *,${language},*:ada:no)
1725 # Specifically requested language; tell them.
1726 AC_MSG_ERROR([GNAT is required to build $language])
1730 add_this_lang=unsupported
1734 # Disable a language that is unsupported by the target.
1735 case " $unsupported_languages " in
1737 add_this_lang=unsupported
1741 case $add_this_lang in
1743 # Remove language-dependent dirs.
1744 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1747 # Remove language-dependent dirs; still show language as supported.
1748 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1749 potential_languages="${potential_languages}${language},"
1752 new_enable_languages="${new_enable_languages}${language},"
1753 potential_languages="${potential_languages}${language},"
1754 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1755 case ${boot_language} in
1757 # Add to (comma-separated) list of stage 1 languages.
1758 stage1_languages="${stage1_languages}${language},"
1759 # We need to bootstrap any supporting libraries.
1760 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1769 AC_ARG_ENABLE(stage1-languages,
1770 [ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
1771 stage1. Mostly useful for compiler development.],
1772 [case ,${enable_stage1_languages}, in
1774 # Set it to something that will have no effect in the loop below
1775 enable_stage1_languages=c ;;
1777 enable_stage1_languages=`echo $new_enable_languages | \
1778 sed -e "s/^,//" -e "s/,$//" ` ;;
1780 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1781 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1784 # Add "good" languages from enable_stage1_languages to stage1_languages,
1785 # while "bad" languages go in missing_languages. Leave no duplicates.
1786 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1787 case $potential_languages in
1789 case $stage1_languages in
1791 *) stage1_languages="$stage1_languages$i," ;;
1794 case $missing_languages in
1796 *) missing_languages="$missing_languages$i," ;;
1801 # Remove leading/trailing commas that were added for simplicity
1802 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1803 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1804 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1805 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1807 if test "x$missing_languages" != x; then
1809 The following requested languages could not be built: ${missing_languages}
1810 Supported languages are: ${potential_languages}])
1812 if test "x$new_enable_languages" != "x$enable_languages"; then
1813 echo The following languages will be built: ${new_enable_languages}
1814 enable_languages="$new_enable_languages"
1817 AC_SUBST(stage1_languages)
1818 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1821 # Handle --disable-<component> generically.
1822 for dir in $configdirs $build_configdirs $target_configdirs ; do
1823 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1824 varname=`echo $dirname | sed -e s/+/_/g`
1825 if eval test x\${enable_${varname}} "=" xno ; then
1826 noconfigdirs="$noconfigdirs $dir"
1830 # Check for Boehm's garbage collector
1831 AC_ARG_ENABLE(objc-gc,
1832 [ --enable-objc-gc enable use of Boehm's garbage collector with the
1833 GNU Objective-C runtime],
1834 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1835 *,objc,*:*:yes:*target-boehm-gc*)
1836 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1840 # Make sure we only build Boehm's garbage collector if required.
1841 case ,${enable_languages},:${enable_objc_gc} in
1843 # Keep target-boehm-gc if requested for Objective-C.
1846 # Otherwise remove target-boehm-gc depending on target-libjava.
1847 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1848 noconfigdirs="$noconfigdirs target-boehm-gc"
1853 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1854 # $build_configdirs and $target_configdirs.
1855 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1858 for dir in . $skipdirs $noconfigdirs ; do
1859 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1860 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1861 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1862 if test -r $srcdir/$dirname/configure ; then
1863 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1866 notsupp="$notsupp $dir"
1870 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1871 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1872 if test -r $srcdir/$dirname/configure ; then
1873 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1876 notsupp="$notsupp $dir"
1880 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1881 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1882 if test -r $srcdir/$dirname/configure ; then
1883 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1886 notsupp="$notsupp $dir"
1892 # Sometimes the tools are distributed with libiberty but with no other
1893 # libraries. In that case, we don't want to build target-libiberty.
1894 # Don't let libgcc imply libiberty either.
1895 if test -n "${target_configdirs}" ; then
1898 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1899 if test "$i" = "libgcc"; then
1900 libgcc=target-libgcc
1901 elif test "$i" != "libiberty" ; then
1902 if test -r $srcdir/$i/configure ; then
1908 if test -z "${others}" ; then
1909 target_configdirs=$libgcc
1913 # Quietly strip out all directories which aren't configurable in this tree.
1914 # This relies on all configurable subdirectories being autoconfiscated, which
1916 build_configdirs_all="$build_configdirs"
1918 for i in ${build_configdirs_all} ; do
1919 j=`echo $i | sed -e s/build-//g`
1920 if test -f ${srcdir}/$j/configure ; then
1921 build_configdirs="${build_configdirs} $i"
1925 configdirs_all="$configdirs"
1927 for i in ${configdirs_all} ; do
1928 if test -f ${srcdir}/$i/configure ; then
1929 configdirs="${configdirs} $i"
1933 target_configdirs_all="$target_configdirs"
1935 for i in ${target_configdirs_all} ; do
1936 j=`echo $i | sed -e s/target-//g`
1937 if test -f ${srcdir}/$j/configure ; then
1938 target_configdirs="${target_configdirs} $i"
1942 # Produce a warning message for the subdirs we can't configure.
1943 # This isn't especially interesting in the Cygnus tree, but in the individual
1944 # FSF releases, it's important to let people know when their machine isn't
1945 # supported by the one or two programs in a package.
1947 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1948 # If $appdirs is non-empty, at least one of those directories must still
1949 # be configured, or we error out. (E.g., if the gas release supports a
1950 # specified target in some subdirs but not the gas subdir, we shouldn't
1951 # pretend that all is well.)
1952 if test -n "$appdirs" ; then
1953 for dir in $appdirs ; do
1954 if test -r $dir/Makefile.in ; then
1955 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1959 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1965 if test -n "$appdirs" ; then
1966 echo "*** This configuration is not supported by this package." 1>&2
1970 # Okay, some application will build, or we don't care to check. Still
1971 # notify of subdirs not getting built.
1972 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1973 echo " ${notsupp}" 1>&2
1974 echo " (Any other directories should still work fine.)" 1>&2
1982 # To find our prefix, in gcc_cv_tool_prefix.
1987 AC_ARG_WITH([build-sysroot],
1988 [ --with-build-sysroot=SYSROOT
1989 use sysroot as the system root during the build],
1990 [if test x"$withval" != x ; then
1991 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1993 [SYSROOT_CFLAGS_FOR_TARGET=])
1994 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1996 AC_ARG_WITH([debug-prefix-map],
1997 [ --with-debug-prefix-map='A=B C=D ...'
1998 map A to B, C to D ... in debug information],
1999 [if test x"$withval" != x; then
2000 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2001 for debug_map in $withval; do
2002 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2005 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2006 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2008 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2009 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2010 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2011 # We want to ensure that TARGET libraries (which we know are built with
2012 # gcc) are built with "-O2 -g", so include those options when setting
2013 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2014 if test "x$CFLAGS_FOR_TARGET" = x; then
2015 CFLAGS_FOR_TARGET=$CFLAGS
2018 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2021 *" -g "* | *" -g3 "*) ;;
2022 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2025 AC_SUBST(CFLAGS_FOR_TARGET)
2027 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2028 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2029 case " $CXXFLAGS " in
2031 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2033 case " $CXXFLAGS " in
2034 *" -g "* | *" -g3 "*) ;;
2035 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2038 AC_SUBST(CXXFLAGS_FOR_TARGET)
2040 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2041 # the named directory are copied to $(tooldir)/sys-include.
2042 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2043 if test x${is_cross_compiler} = xno ; then
2044 echo 1>&2 '***' --with-headers is only supported when cross compiling
2047 if test x"${with_headers}" != xyes ; then
2048 x=${gcc_cv_tool_prefix}
2049 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2053 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2054 # the name directories are copied to $(tooldir)/lib. Multiple directories
2056 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2057 if test x${is_cross_compiler} = xno ; then
2058 echo 1>&2 '***' --with-libs is only supported when cross compiling
2061 if test x"${with_libs}" != xyes ; then
2062 # Copy the libraries in reverse order, so that files in the first named
2063 # library override files in subsequent libraries.
2064 x=${gcc_cv_tool_prefix}
2065 for l in ${with_libs}; do
2066 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2071 # Set with_gnu_as and with_gnu_ld as appropriate.
2073 # This is done by determining whether or not the appropriate directory
2074 # is available, and by checking whether or not specific configurations
2075 # have requested that this magic not happen.
2077 # The command line options always override the explicit settings in
2078 # configure.in, and the settings in configure.in override this magic.
2080 # If the default for a toolchain is to use GNU as and ld, and you don't
2081 # want to do that, then you should use the --without-gnu-as and
2082 # --without-gnu-ld options for the configure script.
2084 if test x${use_gnu_as} = x &&
2085 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2087 extra_host_args="$extra_host_args --with-gnu-as"
2090 if test x${use_gnu_ld} = x &&
2091 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2093 extra_host_args="$extra_host_args --with-gnu-ld"
2096 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2097 # can detect this case.
2099 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2101 extra_host_args="$extra_host_args --with-newlib"
2104 # Handle ${copy_dirs}
2105 set fnord ${copy_dirs}
2107 while test $# != 0 ; do
2108 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2111 echo Copying $1 to $2
2113 # Use the install script to create the directory and all required
2114 # parent directories.
2115 if test -d $2 ; then
2119 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2122 # Copy the directory, assuming we have tar.
2123 # FIXME: Should we use B in the second tar? Not all systems support it.
2124 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2126 # It is the responsibility of the user to correctly adjust all
2127 # symlinks. If somebody can figure out how to handle them correctly
2128 # here, feel free to add the code.
2135 # Determine a target-dependent exec_prefix that the installed
2136 # gcc will search in. Keep this list sorted by triplet, with
2137 # the *-*-osname triplets last.
2141 md_exec_prefix=/gnu/lib/gcc-lib
2143 i[[34567]]86-pc-msdosdjgpp*)
2144 md_exec_prefix=/dev/env/DJDIR/bin
2146 i[[34567]]86-*-sco3.2v5*)
2147 if test $with_gnu_as = yes; then
2148 md_exec_prefix=/usr/gnu/bin
2150 md_exec_prefix=/usr/ccs/bin/elf
2155 powerpc-*-chorusos* | \
2156 powerpc*-*-eabi* | \
2157 powerpc*-*-sysv* | \
2158 powerpc*-*-kaos* | \
2160 md_exec_prefix=/usr/ccs/bin
2165 md_exec_prefix=/usr/ccs/bin
2180 md_exec_prefix=/usr/ccs/bin
2184 extra_arflags_for_target=
2185 extra_nmflags_for_target=
2186 extra_ranlibflags_for_target=
2187 target_makefile_frag=/dev/null
2190 target_makefile_frag="config/mt-mep"
2193 target_makefile_frag="config/mt-spu"
2196 target_makefile_frag="config/mt-sde"
2198 mipsisa*-*-elfoabi*)
2199 target_makefile_frag="config/mt-mips-elfoabi"
2201 mips*-*-*linux* | mips*-*-gnu*)
2202 target_makefile_frag="config/mt-mips-gnu"
2205 target_makefile_frag="config/mt-netware"
2207 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2208 target_makefile_frag="config/mt-gnu"
2210 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2211 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2212 # commands to handle both 32-bit and 64-bit objects. These flags are
2213 # harmless if we're using GNU nm or ar.
2214 extra_arflags_for_target=" -X32_64"
2215 extra_nmflags_for_target=" -B -X32_64"
2218 # ranlib from Darwin requires the -c flag to look at common symbols.
2219 extra_ranlibflags_for_target=" -c"
2221 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
2222 target_makefile_frag="config/mt-wince"
2226 alphaieee_frag=/dev/null
2229 # This just makes sure to use the -mieee option to build target libs.
2230 # This should probably be set individually by each library.
2231 alphaieee_frag="config/mt-alphaieee"
2235 # If --enable-target-optspace always use -Os instead of -O2 to build
2236 # the target libraries, similarly if it is not specified, use -Os
2237 # on selected platforms.
2238 ospace_frag=/dev/null
2239 case "${enable_target_optspace}:${target}" in
2241 ospace_frag="config/mt-ospace"
2244 ospace_frag="config/mt-d30v"
2246 :m32r-* | :d10v-* | :fr30-*)
2247 ospace_frag="config/mt-ospace"
2252 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2256 # Default to using --with-stabs for certain targets.
2257 if test x${with_stabs} = x ; then
2259 mips*-*-irix[[56]]*)
2261 mips*-*-* | alpha*-*-osf*)
2263 extra_host_args="${extra_host_args} --with-stabs"
2268 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2269 # them automatically.
2272 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
2276 # Some systems (e.g., one of the i386-aix systems the gas testers are
2277 # using) don't handle "\$" correctly, so don't use it here.
2278 tooldir='${exec_prefix}'/${target_noncanonical}
2279 build_tooldir=${tooldir}
2281 # Create a .gdbinit file which runs the one in srcdir
2282 # and tells GDB to look there for source files.
2284 if test -r ${srcdir}/.gdbinit ; then
2287 *) cat > ./.gdbinit <<EOF
2291 source ${srcdir}/.gdbinit
2297 # Make sure that the compiler is able to generate an executable. If it
2298 # can't, we are probably in trouble. We don't care whether we can run the
2299 # executable--we might be using a cross compiler--we only care whether it
2300 # can be created. At this point the main configure script has set CC.
2302 echo "int main () { return 0; }" > conftest.c
2303 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2304 if test $? = 0 ; then
2305 if test -s conftest || test -s conftest.exe ; then
2311 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2312 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2319 # The Solaris /usr/ucb/cc compiler does not appear to work.
2321 sparc-sun-solaris2*)
2322 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
2323 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
2325 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2326 if test -d /opt/cygnus/bin ; then
2327 if test "$could_use" = "" ; then
2328 could_use="/opt/cygnus/bin"
2330 could_use="$could_use or /opt/cygnus/bin"
2333 if test "$could_use" = "" ; then
2334 echo "Warning: compilation may fail because you're using"
2335 echo "/usr/ucb/cc. You should change your PATH or CC "
2336 echo "variable and rerun configure."
2338 echo "Warning: compilation may fail because you're using"
2339 echo "/usr/ucb/cc, when you should use the C compiler from"
2340 echo "$could_use. You should change your"
2341 echo "PATH or CC variable and rerun configure."
2347 # Decide which environment variable is used to find dynamic libraries.
2349 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2350 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2351 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2352 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2355 # On systems where the dynamic library environment variable is PATH,
2356 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2357 # built executables to PATH.
2358 if test "$RPATH_ENVVAR" = PATH; then
2359 GCC_SHLIB_SUBDIR=/shlib
2364 # Record target_configdirs and the configure arguments for target and
2365 # build configuration in Makefile.
2366 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2367 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2369 # Determine whether gdb needs tk/tcl or not.
2370 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2371 # and in that case we want gdb to be built without tk. Ugh!
2372 # In fact I believe gdb is the *only* package directly dependent on tk,
2373 # so we should be able to put the 'maybe's in unconditionally and
2374 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2375 # 100% sure that that's safe though.
2377 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2378 case "$enable_gdbtk" in
2382 GDB_TK="${gdb_tk}" ;;
2384 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2385 # distro. Eventually someone will fix this and move Insight, nee
2386 # gdbtk to a separate directory.
2387 if test -d ${srcdir}/gdb/gdbtk ; then
2394 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2395 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2397 # Strip out unwanted targets.
2399 # While at that, we remove Makefiles if we were started for recursive
2400 # configuration, so that the top-level Makefile reconfigures them,
2401 # like we used to do when configure itself was recursive.
2403 # Loop over modules. $extrasub must be used with care, limiting as
2404 # much as possible the usage of range addresses. That's because autoconf
2405 # splits the sed script to overcome limits in the number of commands,
2406 # and relying on carefully-timed sed passes may turn out to be very hard
2407 # to maintain later. In this particular case, you just have to be careful
2408 # not to nest @if/@endif pairs, because configure will not warn you at all.
2410 AC_ARG_ENABLE([bootstrap],
2411 [ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
2412 enable_bootstrap=default)
2414 # Issue errors and warnings for invalid/strange bootstrap combinations.
2415 case "$configdirs" in
2416 *gcc*) have_compiler=yes ;;
2417 *) have_compiler=no ;;
2420 case "$have_compiler:$host:$target:$enable_bootstrap" in
2423 # Default behavior. Enable bootstrap if we have a compiler
2424 # and we are in a native configuration.
2425 yes:$build:$build:default)
2426 enable_bootstrap=yes ;;
2429 enable_bootstrap=no ;;
2431 # We have a compiler and we are in a native configuration, bootstrap is ok
2432 yes:$build:$build:yes)
2435 # Other configurations, but we have a compiler. Assume the user knows
2438 AC_MSG_WARN([trying to bootstrap a cross compiler])
2441 # No compiler: if they passed --enable-bootstrap explicitly, fail
2443 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2445 # Fail if wrong command line
2447 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2451 # Adjust the toplevel makefile according to whether bootstrap was selected.
2452 case "$enable_bootstrap" in
2454 bootstrap_suffix=bootstrap ;;
2456 bootstrap_suffix=no-bootstrap ;;
2459 for module in ${build_configdirs} ; do
2460 if test -z "${no_recursion}" \
2461 && test -f ${build_subdir}/${module}/Makefile; then
2462 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2463 rm -f ${build_subdir}/${module}/Makefile
2466 /^@if build-$module\$/d
2467 /^@endif build-$module\$/d
2468 /^@if build-$module-$bootstrap_suffix\$/d
2469 /^@endif build-$module-$bootstrap_suffix\$/d"
2471 for module in ${configdirs} ; do
2472 if test -z "${no_recursion}"; then
2473 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2474 if test -f ${file}; then
2475 echo 1>&2 "*** removing ${file} to force reconfigure"
2482 /^@endif $module\$/d
2483 /^@if $module-$bootstrap_suffix\$/d
2484 /^@endif $module-$bootstrap_suffix\$/d"
2486 for module in ${target_configdirs} ; do
2487 if test -z "${no_recursion}" \
2488 && test -f ${target_subdir}/${module}/Makefile; then
2489 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2490 rm -f ${target_subdir}/${module}/Makefile
2493 # We only bootstrap target libraries listed in bootstrap_target_libs.
2494 case $bootstrap_target_libs in
2495 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2496 *) target_bootstrap_suffix=no-bootstrap ;;
2500 /^@if target-$module\$/d
2501 /^@endif target-$module\$/d
2502 /^@if target-$module-$target_bootstrap_suffix\$/d
2503 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2507 /^@if /,/^@endif /d"
2509 # Create the serialization dependencies. This uses a temporary file.
2511 AC_ARG_ENABLE([serial-configure],
2512 [ --enable-serial-@<:@{host,target,build}-@:>@configure
2513 force sequential configuration of
2514 sub-packages for the host, target or build
2515 machine, or all sub-packages])
2517 case ${enable_serial_configure} in
2519 enable_serial_build_configure=yes
2520 enable_serial_host_configure=yes
2521 enable_serial_target_configure=yes
2525 # These force 'configure's to be done one at a time, to avoid problems
2526 # with contention over a shared config.cache.
2528 echo '# serdep.tmp' > serdep.tmp
2530 test "x${enable_serial_build_configure}" = xyes &&
2531 for item in ${build_configdirs} ; do
2534 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2539 test "x${enable_serial_host_configure}" = xyes &&
2540 for item in ${configdirs} ; do
2543 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2548 test "x${enable_serial_target_configure}" = xyes &&
2549 for item in ${target_configdirs} ; do
2552 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2556 serialization_dependencies=serdep.tmp
2557 AC_SUBST_FILE(serialization_dependencies)
2559 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2560 # target, nonopt, and variable assignments. These are the ones we
2561 # might not want to pass down to subconfigures. Also strip
2562 # program-prefix, program-suffix, and program-transform-name, so that
2563 # we can pass down a consistent program-transform-name.
2567 eval "set -- $ac_configure_args"
2570 if test X"$skip_next" = X"yes"; then
2574 if test X"$keep_next" = X"yes"; then
2577 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2579 baseargs="$baseargs '$ac_arg'"
2584 # Handle separated arguments. Based on the logic generated by
2587 *=* | --config-cache | -C | -disable-* | --disable-* \
2588 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2589 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2590 | -with-* | --with-* | -without-* | --without-* | --x)
2616 -program-prefix* | \
2617 -program-suffix* | \
2618 -program-transform-name* )
2619 skip_next=$separate_arg
2623 # An option. Add it.
2626 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2628 baseargs="$baseargs '$ac_arg'"
2629 keep_next=$separate_arg
2632 # Either a variable assignment, or a nonopt (triplet). Don't
2633 # pass it down; let the Makefile handle this.
2638 # Remove the initial space we just introduced and, as these will be
2639 # expanded by make, quote '$'.
2640 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2642 # Add in --program-transform-name, after --program-prefix and
2643 # --program-suffix have been applied to it. Autoconf has already
2644 # doubled dollar signs and backslashes in program_transform_name; we want
2645 # the backslashes un-doubled, and then the entire thing wrapped in single
2646 # quotes, because this will be expanded first by make and then by the shell.
2647 # Also, because we want to override the logic in subdir configure scripts to
2648 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2649 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2650 ${program_transform_name}
2652 gcc_transform_name=`cat conftestsed.out`
2653 rm -f conftestsed.out
2654 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2655 if test "$silent" = yes; then
2656 baseargs="$baseargs --silent"
2659 # For the build-side libraries, we just need to pretend we're native,
2660 # and not use the same cache file. Multilibs are neither needed nor
2662 build_configargs="--cache-file=../config.cache ${baseargs}"
2664 # For host modules, accept cache file option, or specification as blank.
2665 case "${cache_file}" in
2667 cache_file_option="" ;;
2668 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2669 cache_file_option="--cache-file=${cache_file}" ;;
2671 cache_file_option="--cache-file=../${cache_file}" ;;
2674 # Host dirs don't like to share a cache file either, horribly enough.
2675 # This seems to be due to autoconf 2.5x stupidity.
2676 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2678 target_configargs=${baseargs}
2680 # Passing a --with-cross-host argument lets the target libraries know
2681 # whether they are being built with a cross-compiler or being built
2682 # native. However, it would be better to use other mechanisms to make the
2683 # sorts of decisions they want to make on this basis. Please consider
2684 # this option to be deprecated. FIXME.
2685 if test x${is_cross_compiler} = xyes ; then
2686 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2689 # Default to --enable-multilib.
2690 if test x${enable_multilib} = x ; then
2691 target_configargs="--enable-multilib ${target_configargs}"
2694 # Pass --with-newlib if appropriate. Note that target_configdirs has
2695 # changed from the earlier setting of with_newlib.
2696 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2697 target_configargs="--with-newlib ${target_configargs}"
2700 # Different target subdirs use different values of certain variables
2701 # (notably CXX). Worse, multilibs use *lots* of different values.
2702 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2703 # it doesn't automatically accept command-line overrides of them.
2704 # This means it's not safe for target subdirs to share a cache file,
2705 # which is disgusting, but there you have it. Hopefully this can be
2706 # fixed in future. It's still worthwhile to use a cache file for each
2707 # directory. I think.
2709 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2710 # We need to pass --target, as newer autoconf's requires consistency
2711 # for target_alias and gcc doesn't manage it consistently.
2712 target_configargs="--cache-file=./config.cache ${target_configargs}"
2715 case " $target_configdirs " in
2717 case " $target_configargs " in
2718 *" --with-newlib "*)
2721 FLAGS_FOR_TARGET=$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' ;;
2724 # If we're not building GCC, don't discard standard headers.
2725 if test -d ${srcdir}/gcc; then
2726 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2728 if test "${build}" != "${host}"; then
2729 # On Canadian crosses, CC_FOR_TARGET will have already been set
2730 # by `configure', so we won't have an opportunity to add -Bgcc/
2731 # to it. This is right: we don't want to search that directory
2732 # for binaries, but we want the header files in there, so add
2734 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2736 # Someone might think of using the pre-installed headers on
2737 # Canadian crosses, in case the installed compiler is not fully
2738 # compatible with the compiler being built. In this case, it
2739 # would be better to flag an error than risking having
2740 # incompatible object files being constructed. We can't
2741 # guarantee that an error will be flagged, but let's hope the
2742 # compiler will do it, when presented with incompatible header
2747 case "${target}-${is_cross_compiler}" in
2748 i[[3456789]]86-*-linux*-no)
2749 # Here host == target, so we don't need to build gcc,
2750 # so we don't want to discard standard headers.
2751 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2754 # If we're building newlib, use its generic headers last, but search
2755 # for any libc-related directories first (so make it the last -B
2757 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2759 # If we're building libgloss, find the startup file, simulator library
2760 # and linker script.
2761 case " $target_configdirs " in
2763 # Look for startup file, simulator library and maybe linker script.
2764 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2765 # Look for libnosys.a in case the target needs it.
2766 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2767 # Most targets have the linker script in the source directory.
2768 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2779 # Can't be handled as Cygwin above since Mingw does not use newlib.
2780 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
2783 # Allow the user to override the flags for
2784 # our build compiler if desired.
2785 if test x"${build}" = x"${host}" ; then
2786 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2787 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2788 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2791 # On Canadian crosses, we'll be searching the right directories for
2792 # the previously-installed cross compiler, so don't bother to add
2793 # flags for directories within the install tree of the compiler
2794 # being built; programs in there won't even run.
2795 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2796 # Search for pre-installed headers if nothing else fits.
2797 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2800 if test "x${use_gnu_ld}" = x &&
2801 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2802 # Arrange for us to find uninstalled linker scripts.
2803 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2806 # Search for other target-specific linker scripts and such.
2809 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2813 # Makefile fragments.
2814 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2816 eval fragval=\$$frag
2817 if test $fragval != /dev/null; then
2818 eval $frag=${srcdir}/$fragval
2821 AC_SUBST_FILE(host_makefile_frag)
2822 AC_SUBST_FILE(target_makefile_frag)
2823 AC_SUBST_FILE(alphaieee_frag)
2824 AC_SUBST_FILE(ospace_frag)
2826 # Miscellanea: directories, flags, etc.
2827 AC_SUBST(RPATH_ENVVAR)
2828 AC_SUBST(GCC_SHLIB_SUBDIR)
2830 AC_SUBST(build_tooldir)
2831 AC_SUBST(CONFIGURE_GDB_TK)
2833 AC_SUBST(INSTALL_GDB_TK)
2835 # Build module lists & subconfigure args.
2836 AC_SUBST(build_configargs)
2837 AC_SUBST(build_configdirs)
2839 # Host module lists & subconfigure args.
2840 AC_SUBST(host_configargs)
2841 AC_SUBST(configdirs)
2843 # Target module lists & subconfigure args.
2844 AC_SUBST(target_configargs)
2848 AC_SUBST(AR_FOR_BUILD)
2849 AC_SUBST(AS_FOR_BUILD)
2850 AC_SUBST(CC_FOR_BUILD)
2851 AC_SUBST(CFLAGS_FOR_BUILD)
2852 AC_SUBST(CXXFLAGS_FOR_BUILD)
2853 AC_SUBST(CXX_FOR_BUILD)
2854 AC_SUBST(DLLTOOL_FOR_BUILD)
2855 AC_SUBST(GCJ_FOR_BUILD)
2856 AC_SUBST(GFORTRAN_FOR_BUILD)
2857 AC_SUBST(LDFLAGS_FOR_BUILD)
2858 AC_SUBST(LD_FOR_BUILD)
2859 AC_SUBST(NM_FOR_BUILD)
2860 AC_SUBST(RANLIB_FOR_BUILD)
2861 AC_SUBST(WINDMC_FOR_BUILD)
2862 AC_SUBST(WINDRES_FOR_BUILD)
2863 AC_SUBST(config_shell)
2865 # Generate default definitions for YACC, M4, LEX and other programs that run
2866 # on the build machine. These are used if the Makefile can't locate these
2867 # programs in objdir.
2868 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2870 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2871 case " $build_configdirs " in
2872 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2873 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2876 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2877 case " $build_configdirs " in
2878 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2881 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2882 case " $build_configdirs " in
2883 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2886 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2887 case " $build_configdirs " in
2888 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2889 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2892 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2893 case " $build_configdirs " in
2894 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2897 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2898 case " $build_configdirs " in
2899 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2902 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2903 # higher, else we use the "missing" dummy.
2904 if ${MAKEINFO} --version \
2905 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2908 MAKEINFO="$MISSING makeinfo"
2914 # FIXME: expect and dejagnu may become build tools?
2916 AC_CHECK_PROGS(EXPECT, expect, expect)
2917 case " $configdirs " in
2919 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2923 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2924 case " $configdirs " in
2926 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2932 NCN_STRICT_CHECK_TOOLS(AR, ar)
2933 NCN_STRICT_CHECK_TOOLS(AS, as)
2934 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2935 NCN_STRICT_CHECK_TOOLS(LD, ld)
2936 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2937 NCN_STRICT_CHECK_TOOLS(NM, nm)
2938 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2939 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2940 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2941 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
2942 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2943 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2950 AC_ARG_WITH([build-time-tools],
2951 [ --with-build-time-tools=PATH
2952 use given path to find target tools during the build],
2953 [case x"$withval" in
2956 with_build_time_tools=
2957 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2960 [with_build_time_tools=])
2962 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2963 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2964 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2965 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2966 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2968 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2969 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2970 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2971 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2972 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2973 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2974 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2975 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2976 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2977 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2978 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
2980 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2982 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2983 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2984 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2985 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2986 [gcc/g++ -B$$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],
2988 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2989 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2991 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2992 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2993 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2994 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2995 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2996 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2997 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2998 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2999 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3000 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3001 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3002 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
3003 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3004 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3006 AC_SUBST(FLAGS_FOR_TARGET)
3007 AC_SUBST(RAW_CXX_FOR_TARGET)
3009 # Certain tools may need extra flags.
3010 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3011 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3012 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3014 # When building target libraries, except in a Canadian cross, we use
3015 # the same toolchain as the compiler we just built.
3016 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3017 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3018 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3019 if test $host = $build; then
3020 case " $configdirs " in
3022 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3023 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3024 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3029 AC_SUBST(COMPILER_AS_FOR_TARGET)
3030 AC_SUBST(COMPILER_LD_FOR_TARGET)
3031 AC_SUBST(COMPILER_NM_FOR_TARGET)
3033 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3034 AC_ARG_ENABLE(maintainer-mode,
3035 [ --enable-maintainer-mode enable make rules and dependencies not useful
3036 (and sometimes confusing) to the casual installer],
3037 USE_MAINTAINER_MODE=$enableval,
3038 USE_MAINTAINER_MODE=no)
3039 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3040 AC_SUBST(MAINTAINER_MODE_TRUE)
3041 AC_SUBST(MAINTAINER_MODE_FALSE)
3042 if test "$USE_MAINTAINER_MODE" = yes; then
3043 MAINTAINER_MODE_TRUE=
3044 MAINTAINER_MODE_FALSE='#'
3046 MAINTAINER_MODE_TRUE='#'
3047 MAINTAINER_MODE_FALSE=
3049 MAINT=$MAINTAINER_MODE_TRUE
3052 # ---------------------
3053 # GCC bootstrap support
3054 # ---------------------
3056 # Stage specific cflags for build.
3061 yes) stage1_cflags="-g -Wa,-J" ;;
3062 *) stage1_cflags="-g -J" ;;
3066 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
3067 if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
3068 saved_CFLAGS="$CFLAGS"
3070 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3071 CFLAGS="$CFLAGS -fkeep-inline-functions"
3072 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
3074 #if (__GNUC__ < 3) \
3075 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3076 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3077 #error http://gcc.gnu.org/PR29382
3080 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3081 [AC_MSG_RESULT([no])])
3083 CFLAGS="$saved_CFLAGS"
3086 AC_SUBST(stage1_cflags)
3088 # Enable --enable-checking in stage1 of the compiler.
3089 AC_ARG_ENABLE(stage1-checking,
3090 [ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
3092 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3093 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3094 stage1_checking=--enable-checking=yes,types
3096 stage1_checking=--enable-checking=$enable_checking,types
3098 AC_SUBST(stage1_checking)
3100 # Enable -Werror in bootstrap stage2 and later.
3101 AC_ARG_ENABLE(werror,
3102 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
3103 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3108 case ${enable_werror} in
3109 yes) stage2_werror_flag="--enable-werror-always" ;;
3110 *) stage2_werror_flag="" ;;
3112 AC_SUBST(stage2_werror_flag)
3114 # Flags needed to enable html installing and building
3115 AC_ARG_WITH(datarootdir,
3116 [ --with-datarootdir use datarootdir as the data root directory.],
3117 [datarootdir="\${prefix}/${withval}"],
3118 [datarootdir="\${prefix}/share"])
3121 [ --with-docdir install documentation in this directory.],
3122 [docdir="\${prefix}/${withval}"],
3123 [docdir="\${datarootdir}/doc"])
3126 [ --with-pdfdir install pdf in this directory.],
3127 [pdfdir="\${prefix}/${withval}"],
3128 [pdfdir="\${docdir}"])
3130 AC_ARG_WITH(htmldir,
3131 [ --with-htmldir install html in this directory.],
3132 [htmldir="\${prefix}/${withval}"],
3133 [htmldir="\${docdir}"])
3135 AC_SUBST(datarootdir)
3140 # Specify what files to not compare during bootstrap.
3142 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3144 hppa*64*-*-hpux*) ;;
3145 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3147 AC_SUBST(compare_exclusions)