1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2014
3 # Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
32 m4_include([config/cloog.m4])
34 AC_INIT(move-if-change)
36 AC_DISABLE_OPTION_CHECKING
39 # if PWD already has a value, it is probably wrong.
40 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
42 # Export original configure arguments for use by sub-configures.
43 # Quote arguments with shell meta charatcers.
44 TOPLEVEL_CONFIGURE_ARGUMENTS=
45 set -- "$progname" "$@"
49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
51 # if the argument is of the form -foo=baz, quote the baz part only
52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
58 if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
61 # Remove the initial space we just introduced and, as these will be
62 # expanded by make, quote '$'.
63 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
64 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
66 # Find the build, host, and target systems.
67 ACX_NONCANONICAL_BUILD
69 ACX_NONCANONICAL_TARGET
71 dnl Autoconf 2.5x and later will set a default program prefix if
72 dnl --target was used, even if it was the same as --host. Disable
73 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
75 test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
78 program_transform_name=s,y,y,
83 m4_pattern_allow([^AS_FOR_TARGET$])dnl
84 m4_pattern_allow([^AS_FOR_BUILD$])dnl
86 # Get 'install' or 'install-sh' and its variants.
93 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
95 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
97 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
101 # Set srcdir to "." if that's what it is.
102 # This is important for multilib support.
104 if test "${pwd}" = "${srcpwd}" ; then
112 ### To add a new directory to the tree, first choose whether it is a target
113 ### or a host dependent tool. Then put it into the appropriate list
114 ### (library or tools, host or target), doing a dependency sort.
116 # Subdirs will be configured in the order listed in build_configdirs,
117 # configdirs, or target_configdirs; see the serialization section below.
119 # Dependency sorting is only needed when *configuration* must be done in
120 # a particular order. In all cases a dependency should be specified in
121 # the Makefile, whether or not it's implicitly specified here.
123 # Double entries in build_configdirs, configdirs, or target_configdirs may
124 # cause circular dependencies and break everything horribly.
126 # these library is used by various programs built for the build
129 build_libs="build-libiberty build-libcpp"
131 # these tools are built for the build environment
132 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
134 # these libraries are used by various programs built for the host environment
136 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
138 # these tools are built for the host environment
139 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
140 # know that we are building the simulator.
141 # binutils, gas and ld appear in that order because it makes sense to run
142 # "make check" in that particular order.
143 # If --enable-gold is used, "gold" may replace "ld".
144 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1"
146 # libgcj represents the runtime libraries only used by gcj.
147 libgcj="target-libffi \
151 # these libraries are built for the target environment, and are built after
152 # the host libraries and the host tools (which may be a cross compiler)
153 # Note that libiberty is not a target library.
154 target_libraries="target-libgcc \
155 target-libbacktrace \
162 target-libstdc++-v3 \
163 target-libsanitizer \
174 # these tools are built using the target libraries, and are intended to
175 # run only in the target environment
177 # note: any program that *uses* libraries that are in the "target_libraries"
178 # list belongs in this list.
180 target_tools="target-rda"
182 ################################################################################
184 ## All tools belong in one of the four categories, and are assigned above
185 ## We assign ${configdirs} this way to remove all embedded newlines. This
186 ## is important because configure will choke if they ever get through.
187 ## ${configdirs} is directories we build using the host tools.
188 ## ${target_configdirs} is directories we build using the target tools.
189 configdirs=`echo ${host_libs} ${host_tools}`
190 target_configdirs=`echo ${target_libraries} ${target_tools}`
191 build_configdirs=`echo ${build_libs} ${build_tools}`
193 m4_divert_text([PARSE_ARGS],
196 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
197 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
198 m4_popdef([AS_MESSAGE_LOG_FD])dnl
201 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
204 ################################################################################
206 srcname="gnu development package"
208 # This gets set non-empty for some net releases of packages.
211 # Define is_cross_compiler to save on calls to 'test'.
213 if test x"${host}" = x"${target}" ; then
216 is_cross_compiler=yes
219 # Find the build and target subdir names.
221 # Be sure to cover against remnants of an in-tree build.
222 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
223 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
224 Use a pristine source tree when building in a separate tree])
227 # Skipdirs are removed silently.
229 # Noconfigdirs are removed loudly.
233 # Make sure we don't let GNU ld be added if we didn't want it.
234 if test x$with_gnu_ld = xno ; then
236 noconfigdirs="$noconfigdirs ld gold"
240 # Make sure we don't let GNU as be added if we didn't want it.
241 if test x$with_gnu_as = xno ; then
243 noconfigdirs="$noconfigdirs gas"
247 # Make sure we don't let ZLIB be added if we didn't want it.
248 if test x$with_system_zlib = xyes ; then
250 noconfigdirs="$noconfigdirs zlib"
253 # some tools are so dependent upon X11 that if we're not building with X,
254 # it's not even worth trying to configure, much less build, that tool.
257 yes | "") ;; # the default value for this tree is that X11 is available
259 skipdirs="${skipdirs} tk itcl libgui"
260 # We won't be able to build gdbtk without X.
263 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
266 # Some are only suitable for cross toolchains.
267 # Remove these if host=target.
268 cross_only="target-libgloss target-newlib target-opcodes"
270 case $is_cross_compiler in
271 no) skipdirs="${skipdirs} ${cross_only}" ;;
274 # If both --with-headers and --with-libs are specified, default to
276 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
277 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
278 if test x"${with_newlib}" = x ; then
283 # Recognize --with-newlib/--without-newlib.
284 case ${with_newlib} in
285 no) skipdirs="${skipdirs} target-newlib" ;;
286 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
289 AC_ARG_ENABLE(offload-targets,
290 [AS_HELP_STRING([--enable-offload-targets=LIST],
291 [enable offloading to devices from LIST])],
293 if test x"$enable_offload_targets" = x; then
294 AC_MSG_ERROR([no offload targets specified])
296 ], [enable_offload_targets=])
298 # Handle --enable-gold, --enable-ld.
299 # --disable-gold [--enable-ld]
300 # Build only ld. Default option.
301 # --enable-gold [--enable-ld]
302 # Build both gold and ld. Install gold as "ld.gold", install ld
303 # as "ld.bfd" and "ld".
304 # --enable-gold=default [--enable-ld]
305 # Build both gold and ld. Install gold as "ld.gold" and "ld",
306 # install ld as "ld.bfd".
307 # --enable-gold[=default] --disable-ld
308 # Build only gold, which is then installed as both "ld.gold" and "ld".
309 # --enable-gold --enable-ld=default
310 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
312 # In other words, ld is default
313 # --enable-gold=default --enable-ld=default
318 [AS_HELP_STRING([[--enable-gold[=ARG]]],
319 [build gold @<:@ARG={default,yes,no}@:>@])],
320 ENABLE_GOLD=$enableval,
322 case "${ENABLE_GOLD}" in
324 # Check for ELF target.
327 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
328 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
329 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
330 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
332 *-*-linux*aout* | *-*-linux*oldld*)
340 if test "$is_elf" = "yes"; then
341 # Check for target supported by gold.
343 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
344 | aarch64*-*-* | tilegx*-*-*)
345 configdirs="$configdirs gold"
346 if test x${ENABLE_GOLD} = xdefault; then
357 AC_MSG_ERROR([invalid --enable-gold argument])
362 [AS_HELP_STRING([[--enable-ld[=ARG]]],
363 [build ld @<:@ARG={default,yes,no}@:>@])],
364 ENABLE_LD=$enableval,
367 case "${ENABLE_LD}" in
369 if test x${default_ld} != x; then
370 AC_MSG_ERROR([either gold or ld can be the default ld])
376 if test x${ENABLE_GOLD} != xyes; then
377 AC_MSG_WARN([neither ld nor gold are enabled])
379 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
382 AC_MSG_ERROR([invalid --enable-ld argument])
386 # Configure extra directories which are host specific
390 configdirs="$configdirs libtermcap" ;;
393 # A target can indicate whether a language isn't supported for some reason.
394 # Only spaces may be used in this macro; not newlines or tabs.
395 unsupported_languages=
397 # Remove more programs from consideration, based on the host or
398 # target this usually means that a port of the program doesn't
402 i[[3456789]]86-*-msdosdjgpp*)
403 noconfigdirs="$noconfigdirs tcl tk itcl"
408 AC_ARG_ENABLE(libquadmath,
409 AS_HELP_STRING([--disable-libquadmath],
410 [do not build libquadmath directory]),
411 ENABLE_LIBQUADMATH=$enableval,
412 ENABLE_LIBQUADMATH=yes)
413 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
414 noconfigdirs="$noconfigdirs target-libquadmath"
418 AC_ARG_ENABLE(libquadmath-support,
419 AS_HELP_STRING([--disable-libquadmath-support],
420 [disable libquadmath support for Fortran]),
421 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
422 ENABLE_LIBQUADMATH_SUPPORT=yes)
423 enable_libquadmath_support=
424 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
425 enable_libquadmath_support=no
429 AC_ARG_ENABLE(libada,
430 [AS_HELP_STRING([--enable-libada], [build libada directory])],
431 ENABLE_LIBADA=$enableval,
433 if test "${ENABLE_LIBADA}" != "yes" ; then
434 noconfigdirs="$noconfigdirs gnattools"
437 AC_ARG_ENABLE(libssp,
438 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
439 ENABLE_LIBSSP=$enableval,
442 AC_ARG_ENABLE(libstdcxx,
443 AS_HELP_STRING([--disable-libstdcxx],
444 [do not build libstdc++-v3 directory]),
445 ENABLE_LIBSTDCXX=$enableval,
446 ENABLE_LIBSTDCXX=default)
447 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
448 noconfigdirs="$noconfigdirs target-libstdc++-v3"
451 # Save it here so that, even in case of --enable-libgcj, if the Java
452 # front-end isn't enabled, we still get libgcj disabled.
454 case $enable_libgcj in
456 # If we reset it here, it won't get added to noconfigdirs in the
457 # target-specific build rules, so it will be forcibly enabled
458 # (unless the Java language itself isn't enabled).
462 # Make sure we get it printed in the list of not supported target libs.
463 # Don't disable libffi, though, other languages use it.
464 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
465 # Clear libgcj_saved so that even if java is enabled libffi won't be
471 AC_ARG_ENABLE(static-libjava,
472 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
473 [build static libjava @<:@default=no@:>@])],
474 ENABLE_STATIC_LIBJAVA=$enableval,
475 ENABLE_STATIC_LIBJAVA=no)
476 enable_static_libjava=
477 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
478 enable_static_libjava=yes
481 if test x$enable_static_libjava != xyes ; then
482 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
484 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
486 # Disable libgomp on non POSIX hosted systems.
487 if test x$enable_libgomp = x ; then
488 # Enable libgomp by default on hosted POSIX systems.
490 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
492 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
494 *-*-solaris2* | *-*-hpux11*)
496 *-*-darwin* | *-*-aix*)
499 noconfigdirs="$noconfigdirs target-libgomp"
504 # Disable libatomic on unsupported systems.
505 if test -d ${srcdir}/libatomic; then
506 if test x$enable_libatomic = x; then
507 AC_MSG_CHECKING([for libatomic support])
508 if (srcdir=${srcdir}/libatomic; \
509 . ${srcdir}/configure.tgt; \
510 test -n "$UNSUPPORTED")
513 noconfigdirs="$noconfigdirs target-libatomic"
520 # Disable libcilkrts on unsupported systems.
521 if test -d ${srcdir}/libcilkrts; then
522 if test x$enable_libcilkrts = x; then
523 AC_MSG_CHECKING([for libcilkrts support])
524 if (srcdir=${srcdir}/libcilkrts; \
525 . ${srcdir}/configure.tgt; \
526 test -n "$UNSUPPORTED")
529 noconfigdirs="$noconfigdirs target-libcilkrts"
536 # Disable libitm on unsupported systems.
537 if test -d ${srcdir}/libitm; then
538 if test x$enable_libitm = x; then
539 AC_MSG_CHECKING([for libitm support])
540 if (srcdir=${srcdir}/libitm; \
541 . ${srcdir}/configure.tgt; \
542 test -n "$UNSUPPORTED")
545 noconfigdirs="$noconfigdirs target-libitm"
552 # Disable libsanitizer on unsupported systems.
553 if test -d ${srcdir}/libsanitizer; then
554 if test x$enable_libsanitizer = x; then
555 AC_MSG_CHECKING([for libsanitizer support])
556 if (srcdir=${srcdir}/libsanitizer; \
557 . ${srcdir}/configure.tgt; \
558 test -n "$UNSUPPORTED")
561 noconfigdirs="$noconfigdirs target-libsanitizer"
568 # Disable libvtv on unsupported systems.
569 if test -d ${srcdir}/libvtv; then
570 if test x$enable_libvtv = x; then
571 AC_MSG_CHECKING([for libvtv support])
572 if (srcdir=${srcdir}/libvtv; \
573 . ${srcdir}/configure.tgt; \
574 test "$VTV_SUPPORTED" != "yes")
577 noconfigdirs="$noconfigdirs target-libvtv"
584 # Disable libquadmath for some systems.
587 noconfigdirs="$noconfigdirs target-libquadmath"
589 # libquadmath is unused on AIX and libquadmath build process use of
590 # LD_LIBRARY_PATH can break AIX bootstrap.
591 powerpc-*-aix* | rs6000-*-aix*)
592 noconfigdirs="$noconfigdirs target-libquadmath"
596 # Disable libssp for some systems.
599 # No hosted I/O support.
600 noconfigdirs="$noconfigdirs target-libssp"
602 powerpc-*-aix* | rs6000-*-aix*)
603 noconfigdirs="$noconfigdirs target-libssp"
606 # libssp uses a misaligned load to trigger a fault, but the RL78
607 # doesn't fault for those - instead, it gives a build-time error
608 # for explicit misaligned loads.
609 noconfigdirs="$noconfigdirs target-libssp"
613 # Disable libstdc++-v3 for some systems.
614 # Allow user to override this if they pass --enable-libstdc++-v3
615 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
618 # VxWorks uses the Dinkumware C++ library.
619 noconfigdirs="$noconfigdirs target-libstdc++-v3"
622 # the C++ libraries don't build on top of CE's C libraries
623 noconfigdirs="$noconfigdirs target-libstdc++-v3"
626 noconfigdirs="$noconfigdirs target-libstdc++-v3"
631 # Disable Fortran for some systems.
634 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
635 unsupported_languages="$unsupported_languages fortran"
639 # Disable Java if libffi is not supported.
671 powerpc-*-aix* | rs6000-*-aix*)
675 powerpc64-*-freebsd*)
679 s390-*-* | s390x-*-*)
681 sh-*-* | sh[[34]]*-*-*)
690 unsupported_languages="$unsupported_languages java"
694 # Disable Java, libgcj or related libraries for some systems.
698 i[[3456789]]86-*-darwin*)
700 x86_64-*-darwin[[912]]*)
703 noconfigdirs="$noconfigdirs ${libgcj}"
706 noconfigdirs="$noconfigdirs ${libgcj}"
709 noconfigdirs="$noconfigdirs ${libgcj}"
712 noconfigdirs="$noconfigdirs ${libgcj}"
715 noconfigdirs="$noconfigdirs ${libgcj}"
718 noconfigdirs="$noconfigdirs ${libgcj}"
721 noconfigdirs="$noconfigdirs ${libgcj}"
724 noconfigdirs="$noconfigdirs ${libgcj}"
727 noconfigdirs="$noconfigdirs ${libgcj}"
730 noconfigdirs="$noconfigdirs target-boehm-gc"
732 cris-*-* | crisv32-*-*)
733 unsupported_languages="$unsupported_languages java"
737 *) # See PR46792 regarding target-libffi.
738 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
742 # In this case, it's because the hppa64-linux target is for
743 # the kernel only at this point and has no libc, and thus no
744 # headers, crt*.o, etc., all of which are needed by these.
745 unsupported_languages="$unsupported_languages java"
748 noconfigdirs="$noconfigdirs ${libgcj}"
753 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
754 # build on HP-UX 10.20.
755 noconfigdirs="$noconfigdirs ${libgcj}"
758 noconfigdirs="$noconfigdirs ${libgcj}"
760 i[[3456789]]86-w64-mingw*)
761 noconfigdirs="$noconfigdirs ${libgcj}"
763 i[[3456789]]86-*-mingw*)
764 noconfigdirs="$noconfigdirs ${libgcj}"
767 noconfigdirs="$noconfigdirs ${libgcj}"
770 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
773 # copied from rs6000-*-* entry
774 noconfigdirs="$noconfigdirs ${libgcj}"
777 noconfigdirs="$noconfigdirs ${libgcj}"
780 noconfigdirs="$noconfigdirs ${libgcj}"
784 # Disable the go frontend on systems where it is known to not work.
786 *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
787 unsupported_languages="$unsupported_languages go"
791 # Disable libgo for some systems where it is known to not work.
792 # For testing, you can easily override this with --enable-libgo.
793 if test x$enable_libgo = x; then
797 noconfigdirs="$noconfigdirs target-libgo"
799 *-*-cygwin* | *-*-mingw*)
800 noconfigdirs="$noconfigdirs target-libgo"
803 noconfigdirs="$noconfigdirs target-libgo"
808 # Default libgloss CPU subdirectory.
809 libgloss_dir="$target_cpu"
812 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
821 cris-*-* | crisv32-*-*)
830 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
847 # Disable newlib and libgloss for various target OSes.
850 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
852 i[[3456789]]86-*-linux*)
853 # This section makes it possible to build newlib natively on linux.
854 # If we are using a cross compiler then don't configure newlib.
855 if test x${is_cross_compiler} != xno ; then
856 noconfigdirs="$noconfigdirs target-newlib"
858 noconfigdirs="$noconfigdirs target-libgloss"
859 # If we are not using a cross compiler, do configure newlib.
860 # Note however, that newlib will only be configured in this situation
861 # if the --with-newlib option has been given, because otherwise
862 # 'target-newlib' will appear in skipdirs.
864 i[[3456789]]86-*-rdos*)
865 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
867 sh*-*-pe|mips*-*-pe|arm-wince-pe)
868 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
871 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
874 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
877 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
880 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
883 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
886 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
888 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
889 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
892 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
895 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
898 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
901 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
904 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
907 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
910 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
918 noconfigdirs="$noconfigdirs ld gas gdb gprof"
919 noconfigdirs="$noconfigdirs sim target-rda"
921 i[[3456789]]86-*-darwin*)
922 noconfigdirs="$noconfigdirs ld gprof"
923 noconfigdirs="$noconfigdirs sim target-rda"
925 x86_64-*-darwin[[912]]*)
926 noconfigdirs="$noconfigdirs ld gas gprof"
927 noconfigdirs="$noconfigdirs sim target-rda"
930 noconfigdirs="$noconfigdirs ld gas gdb gprof"
931 noconfigdirs="$noconfigdirs sim target-rda"
936 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
937 && test -f /usr/local/include/gmp.h; then
942 # Remove unsupported stuff on all kaOS configurations.
943 noconfigdirs="$noconfigdirs target-libgloss"
950 noconfigdirs="$noconfigdirs target-libgloss"
952 # The tpf target doesn't support gdb yet.
954 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
957 noconfigdirs="$noconfigdirs target-rda"
962 # ld works, but does not support shared libraries.
963 # gas doesn't generate exception information.
964 noconfigdirs="$noconfigdirs gas ld"
967 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
970 # newlib is not 64 bit ready
971 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
973 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
974 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
977 noconfigdirs="$noconfigdirs target-libgloss"
980 noconfigdirs="$noconfigdirs target-libgloss"
983 noconfigdirs="$noconfigdirs ld target-libgloss"
988 if test x${with_avrlibc} != xno; then
989 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
993 noconfigdirs="$noconfigdirs target-libgloss"
996 noconfigdirs="$noconfigdirs target-libgloss gdb"
999 noconfigdirs="$noconfigdirs target-libgloss"
1002 noconfigdirs="$noconfigdirs gdb"
1005 noconfigdirs="$noconfigdirs gdb"
1008 noconfigdirs="$noconfigdirs gprof"
1011 noconfigdirs="$noconfigdirs target-libgloss"
1014 noconfigdirs="$noconfigdirs target-libgloss"
1016 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1024 hppa*-*-openbsd* | \
1028 noconfigdirs="$noconfigdirs ld"
1033 noconfigdirs="$noconfigdirs ld"
1036 noconfigdirs="$noconfigdirs gdb"
1039 # No gdb support yet.
1040 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1043 # No ld support yet.
1044 noconfigdirs="$noconfigdirs libgui itcl ld"
1047 # No ld support yet.
1048 noconfigdirs="$noconfigdirs libgui itcl ld"
1050 i[[3456789]]86-w64-mingw*)
1052 i[[3456789]]86-*-mingw*)
1053 target_configdirs="$target_configdirs target-winsup"
1056 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1057 noconfigdirs="$noconfigdirs target-libgloss"
1058 # always build newlib if winsup directory is present.
1059 if test -d "$srcdir/winsup/cygwin"; then
1060 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1061 elif test -d "$srcdir/newlib"; then
1062 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1065 i[[3456789]]86-*-pe)
1066 noconfigdirs="$noconfigdirs target-libgloss"
1068 i[[3456789]]86-*-sco3.2v5*)
1069 # The linker does not yet know about weak symbols in COFF,
1070 # and is not configured to handle mixed ELF and COFF.
1071 noconfigdirs="$noconfigdirs ld target-libgloss"
1073 i[[3456789]]86-*-sco*)
1074 noconfigdirs="$noconfigdirs gprof target-libgloss"
1076 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1077 noconfigdirs="$noconfigdirs target-libgloss"
1079 i[[3456789]]86-*-sysv4*)
1080 noconfigdirs="$noconfigdirs target-libgloss"
1082 i[[3456789]]86-*-beos*)
1083 noconfigdirs="$noconfigdirs gdb"
1085 i[[3456789]]86-*-rdos*)
1086 noconfigdirs="$noconfigdirs gdb"
1089 noconfigdirs="$noconfigdirs gdb"
1092 noconfigdirs="$noconfigdirs sim"
1095 # copied from rs6000-*-* entry
1096 noconfigdirs="$noconfigdirs gprof"
1098 powerpc*-*-winnt* | powerpc*-*-pe*)
1099 target_configdirs="$target_configdirs target-winsup"
1100 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1101 # always build newlib.
1102 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1104 # This is temporary until we can link against shared libraries
1105 powerpcle-*-solaris*)
1106 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1109 noconfigdirs="$noconfigdirs gdb"
1112 noconfigdirs="$noconfigdirs gprof"
1115 noconfigdirs="$noconfigdirs gprof"
1118 noconfigdirs="$noconfigdirs gprof"
1121 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1124 noconfigdirs="$noconfigdirs gprof"
1126 mips*-sde-elf* | mips*-mti-elf*)
1127 if test x$with_newlib = xyes; then
1128 noconfigdirs="$noconfigdirs gprof"
1132 noconfigdirs="$noconfigdirs gprof target-libgloss"
1135 noconfigdirs="$noconfigdirs gprof target-libgloss"
1138 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1142 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1143 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1144 noconfigdirs="$noconfigdirs ld gas gprof"
1147 noconfigdirs="$noconfigdirs gprof"
1154 noconfigdirs="$noconfigdirs target-libgloss" ;;
1158 if test x${is_cross_compiler} = xno ; then
1163 noconfigdirs="$noconfigdirs sim"
1165 tilepro*-*-* | tilegx*-*-*)
1166 noconfigdirs="$noconfigdirs sim"
1169 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1172 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1176 # If we aren't building newlib, then don't build libgloss, since libgloss
1177 # depends upon some newlib header files.
1178 case "${noconfigdirs}" in
1179 *target-libgloss*) ;;
1180 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1183 # Work in distributions that contain no compiler tools, like Autoconf.
1184 host_makefile_frag=/dev/null
1185 if test -d ${srcdir}/config ; then
1187 i[[3456789]]86-*-msdosdjgpp*)
1188 host_makefile_frag="config/mh-djgpp"
1191 ACX_CHECK_CYGWIN_CAT_WORKS
1192 host_makefile_frag="config/mh-cygwin"
1195 host_makefile_frag="config/mh-mingw"
1198 host_makefile_frag="config/mh-alpha-linux"
1201 host_makefile_frag="config/mh-pa-hpux10"
1204 host_makefile_frag="config/mh-pa"
1207 host_makefile_frag="config/mh-pa"
1210 host_makefile_frag="config/mh-darwin"
1213 host_makefile_frag="config/mh-ppc-aix"
1216 host_makefile_frag="config/mh-ppc-aix"
1221 if test "${build}" != "${host}" ; then
1222 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1223 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1224 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1225 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1226 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1227 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1228 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1229 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1230 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1231 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1232 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1233 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1234 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1236 AR_FOR_BUILD="\$(AR)"
1237 AS_FOR_BUILD="\$(AS)"
1238 CC_FOR_BUILD="\$(CC)"
1239 CXX_FOR_BUILD="\$(CXX)"
1240 GCJ_FOR_BUILD="\$(GCJ)"
1241 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1242 GOC_FOR_BUILD="\$(GOC)"
1243 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1244 LD_FOR_BUILD="\$(LD)"
1245 NM_FOR_BUILD="\$(NM)"
1246 RANLIB_FOR_BUILD="\$(RANLIB)"
1247 WINDRES_FOR_BUILD="\$(WINDRES)"
1248 WINDMC_FOR_BUILD="\$(WINDMC)"
1254 # We must set the default linker to the linker used by gcc for the correct
1255 # operation of libtool. If LD is not defined and we are using gcc, try to
1256 # set the LD default to the ld used by gcc.
1257 if test -z "$LD"; then
1258 if test "$GCC" = yes; then
1261 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1263 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1265 case $gcc_prog_ld in
1266 # Accept absolute paths.
1267 [[\\/]* | [A-Za-z]:[\\/]*)]
1268 LD="$gcc_prog_ld" ;;
1273 # Check whether -static-libstdc++ -static-libgcc is supported.
1275 if test "$GCC" = yes; then
1276 saved_LDFLAGS="$LDFLAGS"
1278 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1279 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1282 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1283 #error -static-libstdc++ not implemented
1286 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1287 [AC_MSG_RESULT([no])])
1290 LDFLAGS="$saved_LDFLAGS"
1294 ACX_PROG_CMP_IGNORE_INITIAL
1296 AC_ARG_ENABLE([bootstrap],
1297 [AS_HELP_STRING([--enable-bootstrap],
1298 [enable bootstrapping @<:@yes if native build@:>@])],,
1299 enable_bootstrap=default)
1301 # Issue errors and warnings for invalid/strange bootstrap combinations.
1302 if test -r $srcdir/gcc/configure; then
1308 case "$have_compiler:$host:$target:$enable_bootstrap" in
1311 # Default behavior. Enable bootstrap if we have a compiler
1312 # and we are in a native configuration.
1313 yes:$build:$build:default)
1314 enable_bootstrap=yes ;;
1317 enable_bootstrap=no ;;
1319 # We have a compiler and we are in a native configuration, bootstrap is ok
1320 yes:$build:$build:yes)
1323 # Other configurations, but we have a compiler. Assume the user knows
1326 AC_MSG_WARN([trying to bootstrap a cross compiler])
1329 # No compiler: if they passed --enable-bootstrap explicitly, fail
1331 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1333 # Fail if wrong command line
1335 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1339 # Used for setting $lt_cv_objdir
1342 # Check for GMP, MPFR and MPC
1343 gmplibs="-lmpc -lmpfr -lgmp"
1347 # Specify a location for mpc
1348 # check for this first so it ends up on the link line before mpfr.
1350 [AS_HELP_STRING([--with-mpc=PATH],
1351 [specify prefix directory for installed MPC package.
1352 Equivalent to --with-mpc-include=PATH/include
1353 plus --with-mpc-lib=PATH/lib])])
1354 AC_ARG_WITH(mpc-include,
1355 [AS_HELP_STRING([--with-mpc-include=PATH],
1356 [specify directory for installed MPC include files])])
1357 AC_ARG_WITH(mpc-lib,
1358 [AS_HELP_STRING([--with-mpc-lib=PATH],
1359 [specify directory for the installed MPC library])])
1361 if test "x$with_mpc" != x; then
1362 gmplibs="-L$with_mpc/lib $gmplibs"
1363 gmpinc="-I$with_mpc/include $gmpinc"
1365 if test "x$with_mpc_include" != x; then
1366 gmpinc="-I$with_mpc_include $gmpinc"
1368 if test "x$with_mpc_lib" != x; then
1369 gmplibs="-L$with_mpc_lib $gmplibs"
1371 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1372 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1373 gmpinc='-I$$s/mpc/src '"$gmpinc"
1374 # Do not test the mpc version. Assume that it is sufficient, since
1375 # it is in the source tree, and the library has not been built yet
1376 # but it would be included on the link line in the version check below
1377 # hence making the test fail.
1381 # Specify a location for mpfr
1382 # check for this first so it ends up on the link line before gmp.
1383 AC_ARG_WITH(mpfr-dir,
1384 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1385 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1386 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1389 [AS_HELP_STRING([--with-mpfr=PATH],
1390 [specify prefix directory for installed MPFR package.
1391 Equivalent to --with-mpfr-include=PATH/include
1392 plus --with-mpfr-lib=PATH/lib])])
1393 AC_ARG_WITH(mpfr-include,
1394 [AS_HELP_STRING([--with-mpfr-include=PATH],
1395 [specify directory for installed MPFR include files])])
1396 AC_ARG_WITH(mpfr-lib,
1397 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1398 [specify directory for the installed MPFR library])])
1400 if test "x$with_mpfr" != x; then
1401 gmplibs="-L$with_mpfr/lib $gmplibs"
1402 gmpinc="-I$with_mpfr/include $gmpinc"
1404 if test "x$with_mpfr_include" != x; then
1405 gmpinc="-I$with_mpfr_include $gmpinc"
1407 if test "x$with_mpfr_lib" != x; then
1408 gmplibs="-L$with_mpfr_lib $gmplibs"
1410 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1411 # MPFR v3.1.0 moved the sources into a src sub-directory.
1412 if test -d ${srcdir}/mpfr/src; then
1413 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1414 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1415 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1417 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1418 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1419 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1421 # Do not test the mpfr version. Assume that it is sufficient, since
1422 # it is in the source tree, and the library has not been built yet
1423 # but it would be included on the link line in the version check below
1424 # hence making the test fail.
1428 # Specify a location for gmp
1429 AC_ARG_WITH(gmp-dir,
1430 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1431 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1432 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1435 [AS_HELP_STRING([--with-gmp=PATH],
1436 [specify prefix directory for the installed GMP package.
1437 Equivalent to --with-gmp-include=PATH/include
1438 plus --with-gmp-lib=PATH/lib])])
1439 AC_ARG_WITH(gmp-include,
1440 [AS_HELP_STRING([--with-gmp-include=PATH],
1441 [specify directory for installed GMP include files])])
1442 AC_ARG_WITH(gmp-lib,
1443 [AS_HELP_STRING([--with-gmp-lib=PATH],
1444 [specify directory for the installed GMP library])])
1447 if test "x$with_gmp" != x; then
1448 gmplibs="-L$with_gmp/lib $gmplibs"
1449 gmpinc="-I$with_gmp/include $gmpinc"
1451 if test "x$with_gmp_include" != x; then
1452 gmpinc="-I$with_gmp_include $gmpinc"
1454 if test "x$with_gmp_lib" != x; then
1455 gmplibs="-L$with_gmp_lib $gmplibs"
1457 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1458 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1459 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1460 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1461 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1462 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1463 # Do not test the gmp version. Assume that it is sufficient, since
1464 # it is in the source tree, and the library has not been built yet
1465 # but it would be included on the link line in the version check below
1466 # hence making the test fail.
1470 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1472 saved_CFLAGS="$CFLAGS"
1473 CFLAGS="$CFLAGS $gmpinc"
1474 # Check for the recommended and required versions of GMP.
1475 AC_MSG_CHECKING([for the correct version of gmp.h])
1476 AC_TRY_COMPILE([#include "gmp.h"],[
1477 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1478 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1479 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1482 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1483 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1484 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1485 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1488 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1489 [AC_MSG_RESULT([no]); have_gmp=no])
1491 # If we have GMP, check the MPFR version.
1492 if test x"$have_gmp" = xyes; then
1493 # Check for the recommended and required versions of MPFR.
1494 AC_MSG_CHECKING([for the correct version of mpfr.h])
1495 AC_TRY_COMPILE([#include <gmp.h>
1496 #include <mpfr.h>],[
1497 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1500 ], [AC_TRY_COMPILE([#include <gmp.h>
1501 #include <mpfr.h>],[
1502 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1505 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1506 [AC_MSG_RESULT([no]); have_gmp=no])
1509 # Check for the MPC header version.
1510 if test x"$have_gmp" = xyes ; then
1511 # Check for the recommended and required versions of MPC.
1512 AC_MSG_CHECKING([for the correct version of mpc.h])
1513 AC_TRY_COMPILE([#include <mpc.h>],[
1514 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1517 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1518 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1521 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1522 [AC_MSG_RESULT([no]); have_gmp=no])
1525 # Now check the MPFR library.
1526 if test x"$have_gmp" = xyes; then
1528 LIBS="$LIBS $gmplibs"
1529 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1530 AC_TRY_LINK([#include <mpc.h>],[
1537 mpfr_atan2 (n, n, x, GMP_RNDN);
1538 mpfr_erfc (n, x, GMP_RNDN);
1539 mpfr_subnormalize (x, t, GMP_RNDN);
1543 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1544 mpc_cosh (c, c, MPC_RNDNN);
1545 mpc_pow (c, c, c, MPC_RNDNN);
1546 mpc_acosh (c, c, MPC_RNDNN);
1548 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1552 CFLAGS="$saved_CFLAGS"
1554 # The library versions listed in the error message below should match
1555 # the HARD-minimums enforced above.
1556 if test x$have_gmp != xyes; then
1557 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1558 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1559 their locations. Source code for these libraries can be found at
1560 their respective hosting sites as well as at
1561 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1562 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1563 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1564 make sure that you have installed both the libraries and the header
1565 files. They may be located in separate packages.])
1569 # Flags needed for both GMP, MPFR and/or MPC.
1572 AC_SUBST(extra_mpfr_configure_flags)
1573 AC_SUBST(extra_mpc_gmp_configure_flags)
1574 AC_SUBST(extra_mpc_mpfr_configure_flags)
1575 AC_SUBST(extra_isl_gmp_configure_flags)
1577 # Allow host libstdc++ to be specified for static linking with PPL.
1578 AC_ARG_WITH(host-libstdcxx,
1579 [AS_HELP_STRING([--with-host-libstdcxx=L],
1580 [use linker arguments L to link with libstdc++
1581 when linking with PPL])])
1583 case $with_host_libstdcxx in
1585 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1589 # Libraries to use for stage1 or when not bootstrapping.
1590 AC_ARG_WITH(stage1-libs,
1591 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1592 [if test "$withval" = "no" -o "$withval" = "yes"; then
1595 stage1_libs=$withval
1597 [stage1_libs=$with_host_libstdcxx])
1598 AC_SUBST(stage1_libs)
1600 # Linker flags to use for stage1 or when not bootstrapping.
1601 AC_ARG_WITH(stage1-ldflags,
1602 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1603 [if test "$withval" = "no" -o "$withval" = "yes"; then
1606 stage1_ldflags=$withval
1609 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1610 # if supported. But if the user explicitly specified the libraries to use,
1611 # trust that they are doing what they want.
1612 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1613 stage1_ldflags="-static-libstdc++ -static-libgcc"
1615 AC_SUBST(stage1_ldflags)
1617 # Libraries to use for stage2 and later builds. This defaults to the
1618 # argument passed to --with-host-libstdcxx.
1619 AC_ARG_WITH(boot-libs,
1620 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1621 [if test "$withval" = "no" -o "$withval" = "yes"; then
1624 poststage1_libs=$withval
1626 [poststage1_libs=$with_host_libstdcxx])
1627 AC_SUBST(poststage1_libs)
1629 # Linker flags to use for stage2 and later builds.
1630 AC_ARG_WITH(boot-ldflags,
1631 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1632 [linker flags for stage2 and later])],
1633 [if test "$withval" = "no" -o "$withval" = "yes"; then
1636 poststage1_ldflags=$withval
1638 [poststage1_ldflags=
1639 # In stages 2 and 3, default to linking libstdc++ and libgcc
1640 # statically. But if the user explicitly specified the libraries to
1641 # use, trust that they are doing what they want.
1642 if test "$poststage1_libs" = ""; then
1643 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1645 AC_SUBST(poststage1_ldflags)
1647 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1648 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1653 [--with-cloog=PATH],
1654 [Specify prefix directory for the installed CLooG-ISL package.
1655 Equivalent to --with-cloog-include=PATH/include
1656 plus --with-cloog-lib=PATH/lib])])
1660 [Specify prefix directory for the installed ISL package.
1661 Equivalent to --with-isl-include=PATH/include
1662 plus --with-isl-lib=PATH/lib])])
1664 # Treat --without-isl as a request to disable
1665 # GRAPHITE support and skip all following checks.
1666 if test "x$with_isl" != "xno"; then
1668 dnl Provide configure switches and initialize islinc & isllibs
1669 dnl with user input.
1671 dnl The versions of ISL that work for Graphite
1673 dnl Only execute fail-action, if ISL has been requested.
1675 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1677 if test "x$gcc_cv_isl" != "xno"; then
1679 dnl Provide configure switches and initialize clooginc & clooglibs
1680 dnl with user input.
1682 dnl The versions of CLooG that work for Graphite.
1683 CLOOG_CHECK_VERSION(0,18,1)
1685 dnl Only execute fail-action, if CLooG has been requested.
1687 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1691 # If the ISL check failed, disable builds of in-tree
1692 # variants of both ISL and CLooG
1693 if test "x$with_isl" = xno ||
1694 test "x$gcc_cv_isl" = xno; then
1695 noconfigdirs="$noconfigdirs cloog isl"
1701 # If the CLooG check failed, disable builds of in-tree
1703 if test "x$with_cloog" = xno ||
1704 test "x$gcc_cv_cloog" = xno; then
1705 noconfigdirs="$noconfigdirs cloog isl"
1715 # Check for LTO support.
1717 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1718 enable_lto=$enableval,
1719 enable_lto=yes; default_enable_lto=yes)
1721 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1722 build_lto_plugin=yes
1723 ],[if test x"$default_enable_lto" = x"yes" ; then
1725 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1726 # On other non-ELF platforms, LTO has yet to be validated.
1730 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1731 # It would also be nice to check the binutils support, but we don't
1732 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1733 # warn during gcc/ subconfigure; unless you're bootstrapping with
1734 # -flto it won't be needed until after installation anyway.
1736 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1737 *) if test x"$enable_lto" = x"yes"; then
1738 AC_MSG_ERROR([LTO support is not enabled for this target.])
1743 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1744 # Build it unless LTO was explicitly disabled.
1746 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1751 AC_ARG_ENABLE(linker-plugin-configure-flags,
1752 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1753 [additional flags for configuring linker plugins @<:@none@:>@])],
1754 extra_linker_plugin_configure_flags=$enableval,
1755 extra_linker_plugin_configure_flags=)
1756 AC_SUBST(extra_linker_plugin_configure_flags)
1757 AC_ARG_ENABLE(linker-plugin-flags,
1758 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1759 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1760 extra_linker_plugin_flags=$enableval,
1761 extra_linker_plugin_flags=)
1762 AC_SUBST(extra_linker_plugin_flags)
1765 # By default, C and C++ are the only stage 1 languages.
1766 stage1_languages=,c,
1768 # Target libraries that we bootstrap.
1769 bootstrap_target_libs=,target-libgcc,
1771 # Figure out what language subdirectories are present.
1772 # Look if the user specified --enable-languages="..."; if not, use
1773 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1775 # NB: embedded tabs in this IF block -- do not untabify
1776 if test -d ${srcdir}/gcc; then
1777 if test x"${enable_languages+set}" != xset; then
1778 if test x"${LANGUAGES+set}" = xset; then
1779 enable_languages="${LANGUAGES}"
1780 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1782 enable_languages=all
1785 if test x"${enable_languages}" = x ||
1786 test x"${enable_languages}" = xyes;
1788 echo configure.in: --enable-languages needs at least one language argument 1>&2
1792 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1794 # 'f95' is the old name for the 'fortran' language. We issue a warning
1795 # and make the substitution.
1796 case ,${enable_languages}, in
1798 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1799 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1803 # If bootstrapping, C++ must be enabled.
1804 case ",$enable_languages,:$enable_bootstrap" in
1807 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1808 enable_languages="${enable_languages},c++"
1810 AC_MSG_ERROR([bootstrapping requires c++ sources])
1815 # First scan to see if an enabled language requires some other language.
1816 # We assume that a given config-lang.in will list all the language
1817 # front ends it requires, even if some are required indirectly.
1818 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1819 case ${lang_frag} in
1821 # The odd quoting in the next line works around
1822 # an apparent bug in bash 1.12 on linux.
1823 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1825 # From the config-lang.in, get $language, $lang_requires, and
1826 # $lang_requires_boot_languages.
1829 lang_requires_boot_languages=
1831 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1832 case ,${enable_languages}, in
1836 echo " \`$other' language required by \`$language'; enabling" 1>&2
1837 enable_languages="${enable_languages},${other}"
1841 for other in ${lang_requires_boot_languages} ; do
1842 if test "$other" != "c"; then
1843 case ,${enable_stage1_languages}, in
1847 case ,${enable_languages}, in
1849 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1850 enable_stage1_languages="$enable_stage1_languages,${other}"
1861 new_enable_languages=,c,
1863 # If LTO is enabled, add the LTO front end.
1864 if test "$enable_lto" = "yes" ; then
1865 case ,${enable_languages}, in
1867 *) enable_languages="${enable_languages},lto" ;;
1869 if test "${build_lto_plugin}" = "yes" ; then
1870 configdirs="$configdirs lto-plugin"
1874 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1875 potential_languages=,c,
1877 enabled_target_libs=
1878 disabled_target_libs=
1880 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1881 case ${lang_frag} in
1883 # The odd quoting in the next line works around
1884 # an apparent bug in bash 1.12 on linux.
1885 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1887 # From the config-lang.in, get $language, $target_libs,
1888 # $lang_dirs, $boot_language, and $build_by_default
1894 build_by_default=yes
1896 if test x${language} = x; then
1897 echo "${lang_frag} doesn't set \$language." 1>&2
1901 if test "$language" = "c++"; then
1906 case ,${enable_languages}, in
1908 # Language was explicitly selected; include it
1909 # unless it is C, which is enabled by default.
1910 if test "$language" != "c"; then
1915 # 'all' was selected, select it if it is a default language
1916 if test "$language" != "c"; then
1917 add_this_lang=${build_by_default}
1922 # Disable languages that need other directories if these aren't available.
1923 for i in $subdir_requires; do
1924 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1925 case ,${enable_languages}, in
1927 # Specifically requested language; tell them.
1928 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1932 add_this_lang=unsupported
1937 # Disable Ada if no preexisting GNAT is available.
1938 case ,${enable_languages},:${language}:${have_gnat} in
1939 *,${language},*:ada:no)
1940 # Specifically requested language; tell them.
1941 AC_MSG_ERROR([GNAT is required to build $language])
1945 add_this_lang=unsupported
1949 # Disable a language that is unsupported by the target.
1950 case " $unsupported_languages " in
1952 add_this_lang=unsupported
1956 case $add_this_lang in
1958 # Remove language-dependent dirs.
1959 disabled_target_libs="$disabled_target_libs $target_libs"
1960 noconfigdirs="$noconfigdirs $lang_dirs"
1963 # Remove language-dependent dirs; still show language as supported.
1964 disabled_target_libs="$disabled_target_libs $target_libs"
1965 noconfigdirs="$noconfigdirs $lang_dirs"
1966 potential_languages="${potential_languages}${language},"
1969 new_enable_languages="${new_enable_languages}${language},"
1970 potential_languages="${potential_languages}${language},"
1971 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1972 enabled_target_libs="$enabled_target_libs $target_libs"
1973 case "${boot_language}:,$enable_stage1_languages," in
1974 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1975 # Add to (comma-separated) list of stage 1 languages.
1976 case ",$stage1_languages," in
1977 *,$language,* | ,yes, | ,all,) ;;
1978 *) stage1_languages="${stage1_languages}${language}," ;;
1980 # We need to bootstrap any supporting libraries.
1981 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1990 # Add target libraries which are only needed for disabled languages
1992 if test -n "$disabled_target_libs"; then
1993 for dir in $disabled_target_libs; do
1994 case " $enabled_target_libs " in
1996 *) noconfigdirs="$noconfigdirs $dir" ;;
2001 AC_ARG_ENABLE(stage1-languages,
2002 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2003 [choose additional languages to build during
2004 stage1. Mostly useful for compiler development])],
2005 [case ,${enable_stage1_languages}, in
2007 # Set it to something that will have no effect in the loop below
2008 enable_stage1_languages=c ;;
2010 enable_stage1_languages=`echo $new_enable_languages | \
2011 sed -e "s/^,//" -e "s/,$//" ` ;;
2013 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2014 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2017 # Add "good" languages from enable_stage1_languages to stage1_languages,
2018 # while "bad" languages go in missing_languages. Leave no duplicates.
2019 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2020 case $potential_languages in
2022 case $stage1_languages in
2024 *) stage1_languages="$stage1_languages$i," ;;
2027 case $missing_languages in
2029 *) missing_languages="$missing_languages$i," ;;
2034 # Remove leading/trailing commas that were added for simplicity
2035 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2036 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2037 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2038 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2040 if test "x$missing_languages" != x; then
2042 The following requested languages could not be built: ${missing_languages}
2043 Supported languages are: ${potential_languages}])
2045 if test "x$new_enable_languages" != "x$enable_languages"; then
2046 echo The following languages will be built: ${new_enable_languages}
2047 enable_languages="$new_enable_languages"
2050 AC_SUBST(stage1_languages)
2051 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2054 # Handle --disable-<component> generically.
2055 for dir in $configdirs $build_configdirs $target_configdirs ; do
2056 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2057 varname=`echo $dirname | sed -e s/+/_/g`
2058 if eval test x\${enable_${varname}} "=" xno ; then
2059 noconfigdirs="$noconfigdirs $dir"
2063 # Check for Boehm's garbage collector
2064 AC_ARG_ENABLE(objc-gc,
2065 [AS_HELP_STRING([--enable-objc-gc],
2066 [enable use of Boehm's garbage collector with the
2067 GNU Objective-C runtime])],
2068 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2069 *,objc,*:*:yes:*target-boehm-gc*)
2070 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2074 # Make sure we only build Boehm's garbage collector if required.
2075 case ,${enable_languages},:${enable_objc_gc} in
2077 # Keep target-boehm-gc if requested for Objective-C.
2080 # Otherwise remove target-boehm-gc depending on target-libjava.
2081 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2082 noconfigdirs="$noconfigdirs target-boehm-gc"
2087 # Disable libcilkrts, libitm, libsanitizer, libvtv if we're not building C++
2088 case ,${enable_languages}, in
2090 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2091 case "${noconfigdirs}" in
2092 *target-libstdc++-v3*)
2093 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2099 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
2103 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2104 # $build_configdirs and $target_configdirs.
2105 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2108 for dir in . $skipdirs $noconfigdirs ; do
2109 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2110 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2111 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2112 if test -r $srcdir/$dirname/configure ; then
2113 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2116 notsupp="$notsupp $dir"
2120 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2121 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2122 if test -r $srcdir/$dirname/configure ; then
2123 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2126 notsupp="$notsupp $dir"
2130 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2131 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2132 if test -r $srcdir/$dirname/configure ; then
2133 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2136 notsupp="$notsupp $dir"
2142 # Quietly strip out all directories which aren't configurable in this tree.
2143 # This relies on all configurable subdirectories being autoconfiscated, which
2145 build_configdirs_all="$build_configdirs"
2147 for i in ${build_configdirs_all} ; do
2148 j=`echo $i | sed -e s/build-//g`
2149 if test -f ${srcdir}/$j/configure ; then
2150 build_configdirs="${build_configdirs} $i"
2154 configdirs_all="$configdirs"
2156 for i in ${configdirs_all} ; do
2157 if test -f ${srcdir}/$i/configure ; then
2158 configdirs="${configdirs} $i"
2162 target_configdirs_all="$target_configdirs"
2164 for i in ${target_configdirs_all} ; do
2165 j=`echo $i | sed -e s/target-//g`
2166 if test -f ${srcdir}/$j/configure ; then
2167 target_configdirs="${target_configdirs} $i"
2171 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2172 # so we have to add it after the preceding checks.
2173 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2175 case " $configdirs " in
2177 # If we can build libiberty, we can also build libiberty-linker-plugin.
2178 configdirs="$configdirs libiberty-linker-plugin"
2179 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2180 --with-libiberty=../libiberty-linker-plugin";;
2182 AC_MSG_ERROR([libiberty missing]);;
2186 # Sometimes we have special requirements for the host libiberty.
2187 extra_host_libiberty_configure_flags=
2188 case " $configdirs " in
2189 *" lto-plugin "* | *" libcc1 "*)
2190 # When these are to be built as shared libraries, the same applies to
2192 extra_host_libiberty_configure_flags=--enable-shared
2195 AC_SUBST(extra_host_libiberty_configure_flags)
2197 # Produce a warning message for the subdirs we can't configure.
2198 # This isn't especially interesting in the Cygnus tree, but in the individual
2199 # FSF releases, it's important to let people know when their machine isn't
2200 # supported by the one or two programs in a package.
2202 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2203 # If $appdirs is non-empty, at least one of those directories must still
2204 # be configured, or we error out. (E.g., if the gas release supports a
2205 # specified target in some subdirs but not the gas subdir, we shouldn't
2206 # pretend that all is well.)
2207 if test -n "$appdirs" ; then
2208 for dir in $appdirs ; do
2209 if test -r $dir/Makefile.in ; then
2210 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2214 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2220 if test -n "$appdirs" ; then
2221 echo "*** This configuration is not supported by this package." 1>&2
2225 # Okay, some application will build, or we don't care to check. Still
2226 # notify of subdirs not getting built.
2227 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2228 echo " ${notsupp}" 1>&2
2229 echo " (Any other directories should still work fine.)" 1>&2
2237 # To find our prefix, in gcc_cv_tool_prefix.
2242 AC_ARG_WITH([build-sysroot],
2243 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2244 [use sysroot as the system root during the build])],
2245 [if test x"$withval" != x ; then
2246 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2248 [SYSROOT_CFLAGS_FOR_TARGET=])
2249 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2251 AC_ARG_WITH([debug-prefix-map],
2252 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2253 [map A to B, C to D ... in debug information])],
2254 [if test x"$withval" != x; then
2255 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2256 for debug_map in $withval; do
2257 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2260 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2261 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2263 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2264 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2265 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2266 # We want to ensure that TARGET libraries (which we know are built with
2267 # gcc) are built with "-O2 -g", so include those options when setting
2268 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2269 if test "x$CFLAGS_FOR_TARGET" = x; then
2270 CFLAGS_FOR_TARGET=$CFLAGS
2273 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2276 *" -g "* | *" -g3 "*) ;;
2277 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2280 AC_SUBST(CFLAGS_FOR_TARGET)
2282 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2283 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2284 case " $CXXFLAGS " in
2286 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2288 case " $CXXFLAGS " in
2289 *" -g "* | *" -g3 "*) ;;
2290 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2293 AC_SUBST(CXXFLAGS_FOR_TARGET)
2295 AC_SUBST(LDFLAGS_FOR_TARGET)
2297 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2298 # the named directory are copied to $(tooldir)/sys-include.
2299 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2300 if test x${is_cross_compiler} = xno ; then
2301 echo 1>&2 '***' --with-headers is only supported when cross compiling
2304 if test x"${with_headers}" != xyes ; then
2305 x=${gcc_cv_tool_prefix}
2306 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2310 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2311 # the name directories are copied to $(tooldir)/lib. Multiple directories
2313 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2314 if test x${is_cross_compiler} = xno ; then
2315 echo 1>&2 '***' --with-libs is only supported when cross compiling
2318 if test x"${with_libs}" != xyes ; then
2319 # Copy the libraries in reverse order, so that files in the first named
2320 # library override files in subsequent libraries.
2321 x=${gcc_cv_tool_prefix}
2322 for l in ${with_libs}; do
2323 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2328 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2330 # This is done by determining whether or not the appropriate directory
2331 # is available, and by checking whether or not specific configurations
2332 # have requested that this magic not happen.
2334 # The command line options always override the explicit settings in
2335 # configure.in, and the settings in configure.in override this magic.
2337 # If the default for a toolchain is to use GNU as and ld, and you don't
2338 # want to do that, then you should use the --without-gnu-as and
2339 # --without-gnu-ld options for the configure script. Similarly, if
2340 # the default is to use the included zlib and you don't want to do that,
2341 # you should use the --with-system-zlib option for the configure script.
2343 if test x${use_gnu_as} = x &&
2344 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2346 extra_host_args="$extra_host_args --with-gnu-as"
2349 if test x${use_gnu_ld} = x &&
2350 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2352 extra_host_args="$extra_host_args --with-gnu-ld"
2355 if test x${use_included_zlib} = x &&
2356 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2359 with_system_zlib=yes
2360 extra_host_args="$extra_host_args --with-system-zlib"
2363 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2364 # can detect this case.
2366 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2368 extra_host_args="$extra_host_args --with-newlib"
2371 # Handle ${copy_dirs}
2372 set fnord ${copy_dirs}
2374 while test $# != 0 ; do
2375 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2378 echo Copying $1 to $2
2380 # Use the install script to create the directory and all required
2381 # parent directories.
2382 if test -d $2 ; then
2386 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2389 # Copy the directory, assuming we have tar.
2390 # FIXME: Should we use B in the second tar? Not all systems support it.
2391 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2393 # It is the responsibility of the user to correctly adjust all
2394 # symlinks. If somebody can figure out how to handle them correctly
2395 # here, feel free to add the code.
2402 # Determine a target-dependent exec_prefix that the installed
2403 # gcc will search in. Keep this list sorted by triplet, with
2404 # the *-*-osname triplets last.
2407 i[[34567]]86-pc-msdosdjgpp*)
2408 md_exec_prefix=/dev/env/DJDIR/bin
2413 md_exec_prefix=/usr/ccs/bin
2417 extra_arflags_for_target=
2418 extra_nmflags_for_target=
2419 extra_ranlibflags_for_target=
2420 target_makefile_frag=/dev/null
2423 target_makefile_frag="config/mt-spu"
2425 mips*-sde-elf* | mips*-mti-elf*)
2426 target_makefile_frag="config/mt-sde"
2428 mipsisa*-*-elfoabi*)
2429 target_makefile_frag="config/mt-mips-elfoabi"
2431 mips*-*-*linux* | mips*-*-gnu*)
2432 target_makefile_frag="config/mt-mips-gnu"
2435 target_makefile_frag="config/mt-nios2-elf"
2437 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2438 target_makefile_frag="config/mt-gnu"
2440 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2441 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2442 # commands to handle both 32-bit and 64-bit objects. These flags are
2443 # harmless if we're using GNU nm or ar.
2444 extra_arflags_for_target=" -X32_64"
2445 extra_nmflags_for_target=" -B -X32_64"
2449 alphaieee_frag=/dev/null
2452 # This just makes sure to use the -mieee option to build target libs.
2453 # This should probably be set individually by each library.
2454 alphaieee_frag="config/mt-alphaieee"
2458 # If --enable-target-optspace always use -Os instead of -O2 to build
2459 # the target libraries, similarly if it is not specified, use -Os
2460 # on selected platforms.
2461 ospace_frag=/dev/null
2462 case "${enable_target_optspace}:${target}" in
2464 ospace_frag="config/mt-ospace"
2467 ospace_frag="config/mt-d30v"
2469 :m32r-* | :d10v-* | :fr30-*)
2470 ospace_frag="config/mt-ospace"
2475 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2479 # Some systems (e.g., one of the i386-aix systems the gas testers are
2480 # using) don't handle "\$" correctly, so don't use it here.
2481 tooldir='${exec_prefix}'/${target_noncanonical}
2482 build_tooldir=${tooldir}
2484 # Create a .gdbinit file which runs the one in srcdir
2485 # and tells GDB to look there for source files.
2487 if test -r ${srcdir}/.gdbinit ; then
2490 *) cat > ./.gdbinit <<EOF
2494 source ${srcdir}/.gdbinit
2500 # Make sure that the compiler is able to generate an executable. If it
2501 # can't, we are probably in trouble. We don't care whether we can run the
2502 # executable--we might be using a cross compiler--we only care whether it
2503 # can be created. At this point the main configure script has set CC.
2505 echo "int main () { return 0; }" > conftest.c
2506 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2507 if test $? = 0 ; then
2508 if test -s conftest || test -s conftest.exe ; then
2514 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2515 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2522 # Decide which environment variable is used to find dynamic libraries.
2524 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2525 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2526 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2527 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2530 # On systems where the dynamic library environment variable is PATH,
2531 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2532 # built executables to PATH.
2533 if test "$RPATH_ENVVAR" = PATH; then
2534 GCC_SHLIB_SUBDIR=/shlib
2539 # Adjust the toplevel makefile according to whether bootstrap was selected.
2540 case $enable_bootstrap in
2542 bootstrap_suffix=bootstrap
2543 BUILD_CONFIG=bootstrap-debug
2546 bootstrap_suffix=no-bootstrap
2551 AC_MSG_CHECKING(for default BUILD_CONFIG)
2553 AC_ARG_WITH([build-config],
2554 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2555 [use config/NAME.mk build configuration])],
2556 [case $with_build_config in
2557 yes) with_build_config= ;;
2558 no) with_build_config= BUILD_CONFIG= ;;
2561 if test "x${with_build_config}" != x; then
2562 BUILD_CONFIG=$with_build_config
2564 case $BUILD_CONFIG in
2566 if echo "int f (void) { return 0; }" > conftest.c &&
2567 ${CC} -c conftest.c &&
2568 mv conftest.o conftest.o.g0 &&
2569 ${CC} -c -g conftest.c &&
2570 mv conftest.o conftest.o.g &&
2571 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2576 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2580 AC_MSG_RESULT($BUILD_CONFIG)
2581 AC_SUBST(BUILD_CONFIG)
2583 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2584 AC_MSG_CHECKING([for --enable-vtable-verify])
2585 AC_ARG_ENABLE(vtable-verify,
2586 [ --enable-vtable-verify Enable vtable verification feature ],
2587 [case "$enableval" in
2588 yes) enable_vtable_verify=yes ;;
2589 no) enable_vtable_verify=no ;;
2590 *) enable_vtable_verify=no;;
2592 [enable_vtable_verify=no])
2593 AC_MSG_RESULT($enable_vtable_verify)
2595 # Record target_configdirs and the configure arguments for target and
2596 # build configuration in Makefile.
2597 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2598 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2599 bootstrap_fixincludes=no
2601 # If we are building libgomp, bootstrap it.
2602 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2603 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2606 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2607 # or bootstrap-ubsan, bootstrap it.
2608 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2609 case "$BUILD_CONFIG" in
2610 *bootstrap-asan* | *bootstrap-ubsan* )
2611 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2612 bootstrap_fixincludes=yes
2617 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2618 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2619 test "$enable_vtable_verify" != no; then
2620 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2623 # Determine whether gdb needs tk/tcl or not.
2624 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2625 # and in that case we want gdb to be built without tk. Ugh!
2626 # In fact I believe gdb is the *only* package directly dependent on tk,
2627 # so we should be able to put the 'maybe's in unconditionally and
2628 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2629 # 100% sure that that's safe though.
2631 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2632 case "$enable_gdbtk" in
2636 GDB_TK="${gdb_tk}" ;;
2638 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2639 # distro. Eventually someone will fix this and move Insight, nee
2640 # gdbtk to a separate directory.
2641 if test -d ${srcdir}/gdb/gdbtk ; then
2648 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2649 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2651 # Strip out unwanted targets.
2653 # While at that, we remove Makefiles if we were started for recursive
2654 # configuration, so that the top-level Makefile reconfigures them,
2655 # like we used to do when configure itself was recursive.
2657 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2658 # but now we're fixing up the Makefile ourselves with the additional
2659 # commands passed to AC_CONFIG_FILES. Use separate variables
2660 # extrasub-{build,host,target} not because there is any reason to split
2661 # the substitutions up that way, but only to remain below the limit of
2662 # 99 commands in a script, for HP-UX sed.
2663 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2665 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2666 yes:yes:*\ gold\ *:*,c++,*) ;;
2667 yes:yes:*\ gold\ *:*)
2668 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2673 for module in ${build_configdirs} ; do
2674 if test -z "${no_recursion}" \
2675 && test -f ${build_subdir}/${module}/Makefile; then
2676 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2677 rm -f ${build_subdir}/${module}/Makefile
2679 extrasub_build="$extrasub_build
2680 /^@if build-$module\$/d
2681 /^@endif build-$module\$/d
2682 /^@if build-$module-$bootstrap_suffix\$/d
2683 /^@endif build-$module-$bootstrap_suffix\$/d"
2686 for module in ${configdirs} ; do
2687 if test -z "${no_recursion}"; then
2688 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2689 if test -f ${file}; then
2690 echo 1>&2 "*** removing ${file} to force reconfigure"
2695 case ${module},${bootstrap_fixincludes} in
2696 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2697 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2699 extrasub_host="$extrasub_host
2701 /^@endif $module\$/d
2702 /^@if $module-$host_bootstrap_suffix\$/d
2703 /^@endif $module-$host_bootstrap_suffix\$/d"
2706 for module in ${target_configdirs} ; do
2707 if test -z "${no_recursion}" \
2708 && test -f ${target_subdir}/${module}/Makefile; then
2709 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2710 rm -f ${target_subdir}/${module}/Makefile
2713 # We only bootstrap target libraries listed in bootstrap_target_libs.
2714 case $bootstrap_target_libs in
2715 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2716 *) target_bootstrap_suffix=no-bootstrap ;;
2719 extrasub_target="$extrasub_target
2720 /^@if target-$module\$/d
2721 /^@endif target-$module\$/d
2722 /^@if target-$module-$target_bootstrap_suffix\$/d
2723 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2726 # Do the final fixup along with target modules.
2727 extrasub_target="$extrasub_target
2728 /^@if /,/^@endif /d"
2730 # Create the serialization dependencies. This uses a temporary file.
2732 AC_ARG_ENABLE([serial-configure],
2733 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2734 [force sequential configuration of
2735 sub-packages for the host, target or build
2736 machine, or all sub-packages])])
2738 case ${enable_serial_configure} in
2740 enable_serial_build_configure=yes
2741 enable_serial_host_configure=yes
2742 enable_serial_target_configure=yes
2746 # These force 'configure's to be done one at a time, to avoid problems
2747 # with contention over a shared config.cache.
2749 echo '# serdep.tmp' > serdep.tmp
2751 test "x${enable_serial_build_configure}" = xyes &&
2752 for item in ${build_configdirs} ; do
2755 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2760 test "x${enable_serial_host_configure}" = xyes &&
2761 for item in ${configdirs} ; do
2764 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2769 test "x${enable_serial_target_configure}" = xyes &&
2770 for item in ${target_configdirs} ; do
2773 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2777 serialization_dependencies=serdep.tmp
2778 AC_SUBST_FILE(serialization_dependencies)
2780 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2781 # target, nonopt, and variable assignments. These are the ones we
2782 # might not want to pass down to subconfigures. The exception being
2783 # --cache-file=/dev/null, which is used to turn off the use of cache
2784 # files altogether, and which should be passed on to subconfigures.
2785 # Also strip program-prefix, program-suffix, and program-transform-name,
2786 # so that we can pass down a consistent program-transform-name.
2791 eval "set -- $ac_configure_args"
2794 if test X"$skip_next" = X"yes"; then
2798 if test X"$keep_next" = X"yes"; then
2801 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2803 baseargs="$baseargs '$ac_arg'"
2804 tbaseargs="$tbaseargs '$ac_arg'"
2809 # Handle separated arguments. Based on the logic generated by
2812 *=* | --config-cache | -C | -disable-* | --disable-* \
2813 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2814 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2815 | -with-* | --with-* | -without-* | --without-* | --x)
2829 --with-* | --without-*)
2830 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2834 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2837 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2846 mpc | mpfr | gmp | isl | cloog)
2847 # If we're processing --with-$lib, --with-$lib-include or
2848 # --with-$lib-lib, for one of the libs above, and target is
2849 # different from host, don't pass the current argument to any
2850 # target library's configure.
2851 if test x$is_cross_compiler = xyes; then
2860 --cache-file=/dev/null | \
2861 -cache-file=/dev/null )
2862 # Handled here to avoid the test to skip args below.
2863 baseargs="$baseargs '$ac_arg'"
2864 tbaseargs="$tbaseargs '$ac_arg'"
2865 # Assert: $separate_arg should always be no.
2866 keep_next=$separate_arg
2882 -program-prefix* | \
2883 -program-suffix* | \
2884 -program-transform-name* )
2885 skip_next=$separate_arg
2889 # An option. Add it.
2892 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2894 baseargs="$baseargs '$ac_arg'"
2895 if test X"$skip_targ" = Xno; then
2896 tbaseargs="$tbaseargs '$ac_arg'"
2898 keep_next=$separate_arg
2901 # Either a variable assignment, or a nonopt (triplet). Don't
2902 # pass it down; let the Makefile handle this.
2907 # Remove the initial space we just introduced and, as these will be
2908 # expanded by make, quote '$'.
2909 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2911 # Add in --program-transform-name, after --program-prefix and
2912 # --program-suffix have been applied to it. Autoconf has already
2913 # doubled dollar signs and backslashes in program_transform_name; we want
2914 # the backslashes un-doubled, and then the entire thing wrapped in single
2915 # quotes, because this will be expanded first by make and then by the shell.
2916 # Also, because we want to override the logic in subdir configure scripts to
2917 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2918 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2919 ${program_transform_name}
2921 gcc_transform_name=`cat conftestsed.out`
2922 rm -f conftestsed.out
2923 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2924 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2925 if test "$silent" = yes; then
2926 baseargs="$baseargs --silent"
2927 tbaseargs="$tbaseargs --silent"
2929 baseargs="$baseargs --disable-option-checking"
2930 tbaseargs="$tbaseargs --disable-option-checking"
2932 # Record and document user additions to sub configure arguments.
2933 AC_ARG_VAR([build_configargs],
2934 [additional configure arguments for build directories])
2935 AC_ARG_VAR([host_configargs],
2936 [additional configure arguments for host directories])
2937 AC_ARG_VAR([target_configargs],
2938 [additional configure arguments for target directories])
2940 # For the build-side libraries, we just need to pretend we're native,
2941 # and not use the same cache file. Multilibs are neither needed nor
2942 # desired. We can't even use the same cache file for all build-side
2943 # libraries, as they're compiled differently; some with C, some with
2944 # C++ or with different feature-enabling options.
2945 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
2947 # For host modules, accept cache file option, or specification as blank.
2948 case "${cache_file}" in
2950 cache_file_option="" ;;
2951 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2952 cache_file_option="--cache-file=${cache_file}" ;;
2954 cache_file_option="--cache-file=../${cache_file}" ;;
2957 # Host dirs don't like to share a cache file either, horribly enough.
2958 # This seems to be due to autoconf 2.5x stupidity.
2959 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2961 target_configargs="$target_configargs ${tbaseargs}"
2963 # Passing a --with-cross-host argument lets the target libraries know
2964 # whether they are being built with a cross-compiler or being built
2965 # native. However, it would be better to use other mechanisms to make the
2966 # sorts of decisions they want to make on this basis. Please consider
2967 # this option to be deprecated. FIXME.
2968 if test x${is_cross_compiler} = xyes ; then
2969 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2972 # Special user-friendly check for native x86_64-linux build, if
2973 # multilib is not explicitly enabled.
2974 case "$target:$have_compiler:$host:$target:$enable_multilib" in
2975 x86_64-*linux*:yes:$build:$build:)
2976 # Make sure we have a developement environment that handles 32-bit
2978 echo "int main () { return 0; }" > conftest.c
2979 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2980 if test $? = 0 ; then
2981 if test -s conftest || test -s conftest.exe ; then
2986 if test x${dev64} != xyes ; then
2987 AC_MSG_ERROR([I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.])
2992 # Default to --enable-multilib.
2993 if test x${enable_multilib} = x ; then
2994 target_configargs="--enable-multilib ${target_configargs}"
2997 # Pass --with-newlib if appropriate. Note that target_configdirs has
2998 # changed from the earlier setting of with_newlib.
2999 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3000 target_configargs="--with-newlib ${target_configargs}"
3003 # Different target subdirs use different values of certain variables
3004 # (notably CXX). Worse, multilibs use *lots* of different values.
3005 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3006 # it doesn't automatically accept command-line overrides of them.
3007 # This means it's not safe for target subdirs to share a cache file,
3008 # which is disgusting, but there you have it. Hopefully this can be
3009 # fixed in future. It's still worthwhile to use a cache file for each
3010 # directory. I think.
3012 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3013 # We need to pass --target, as newer autoconf's requires consistency
3014 # for target_alias and gcc doesn't manage it consistently.
3015 target_configargs="--cache-file=./config.cache ${target_configargs}"
3018 case " $target_configdirs " in
3020 case " $target_configargs " in
3021 *" --with-newlib "*)
3024 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3028 # If we're not building GCC, don't discard standard headers.
3029 if test -d ${srcdir}/gcc; then
3030 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3032 if test "${build}" != "${host}"; then
3033 # On Canadian crosses, CC_FOR_TARGET will have already been set
3034 # by `configure', so we won't have an opportunity to add -Bgcc/
3035 # to it. This is right: we don't want to search that directory
3036 # for binaries, but we want the header files in there, so add
3038 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3040 # Someone might think of using the pre-installed headers on
3041 # Canadian crosses, in case the installed compiler is not fully
3042 # compatible with the compiler being built. In this case, it
3043 # would be better to flag an error than risking having
3044 # incompatible object files being constructed. We can't
3045 # guarantee that an error will be flagged, but let's hope the
3046 # compiler will do it, when presented with incompatible header
3051 case "${target}-${is_cross_compiler}" in
3052 i[[3456789]]86-*-linux*-no)
3053 # Here host == target, so we don't need to build gcc,
3054 # so we don't want to discard standard headers.
3055 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3058 # If we're building newlib, use its generic headers last, but search
3059 # for any libc-related directories first (so make it the last -B
3061 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3063 # If we're building libgloss, find the startup file, simulator library
3064 # and linker script.
3065 case " $target_configdirs " in
3067 # Look for startup file, simulator library and maybe linker script.
3068 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3069 # Look for libnosys.a in case the target needs it.
3070 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3071 # Most targets have the linker script in the source directory.
3072 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3083 x86_64-*mingw* | *-w64-mingw*)
3084 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3085 # however, use a symlink named 'mingw' in ${prefix} .
3086 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3089 # MinGW can't be handled as Cygwin above since it does not use newlib.
3090 FLAGS_FOR_TARGET=$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'
3094 # Allow the user to override the flags for
3095 # our build compiler if desired.
3096 if test x"${build}" = x"${host}" ; then
3097 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3098 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3099 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3102 # On Canadian crosses, we'll be searching the right directories for
3103 # the previously-installed cross compiler, so don't bother to add
3104 # flags for directories within the install tree of the compiler
3105 # being built; programs in there won't even run.
3106 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3107 # Search for pre-installed headers if nothing else fits.
3108 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3111 if test "x${use_gnu_ld}" = x &&
3112 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3113 # Arrange for us to find uninstalled linker scripts.
3114 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3117 # Search for other target-specific linker scripts and such.
3120 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3124 # Makefile fragments.
3125 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3127 eval fragval=\$$frag
3128 if test $fragval != /dev/null; then
3129 eval $frag=${srcdir}/$fragval
3132 AC_SUBST_FILE(host_makefile_frag)
3133 AC_SUBST_FILE(target_makefile_frag)
3134 AC_SUBST_FILE(alphaieee_frag)
3135 AC_SUBST_FILE(ospace_frag)
3137 # Miscellanea: directories, flags, etc.
3138 AC_SUBST(RPATH_ENVVAR)
3139 AC_SUBST(GCC_SHLIB_SUBDIR)
3141 AC_SUBST(build_tooldir)
3142 AC_SUBST(CONFIGURE_GDB_TK)
3144 AC_SUBST(INSTALL_GDB_TK)
3146 # Build module lists & subconfigure args.
3147 AC_SUBST(build_configargs)
3148 AC_SUBST(build_configdirs)
3150 # Host module lists & subconfigure args.
3151 AC_SUBST(host_configargs)
3152 AC_SUBST(configdirs)
3153 AC_SUBST(target_configdirs)
3155 # Target module lists & subconfigure args.
3156 AC_SUBST(target_configargs)
3160 AC_SUBST(AR_FOR_BUILD)
3161 AC_SUBST(AS_FOR_BUILD)
3162 AC_SUBST(CC_FOR_BUILD)
3163 AC_SUBST(CFLAGS_FOR_BUILD)
3164 AC_SUBST(CXXFLAGS_FOR_BUILD)
3165 AC_SUBST(CXX_FOR_BUILD)
3166 AC_SUBST(DLLTOOL_FOR_BUILD)
3167 AC_SUBST(GCJ_FOR_BUILD)
3168 AC_SUBST(GFORTRAN_FOR_BUILD)
3169 AC_SUBST(GOC_FOR_BUILD)
3170 AC_SUBST(LDFLAGS_FOR_BUILD)
3171 AC_SUBST(LD_FOR_BUILD)
3172 AC_SUBST(NM_FOR_BUILD)
3173 AC_SUBST(RANLIB_FOR_BUILD)
3174 AC_SUBST(WINDMC_FOR_BUILD)
3175 AC_SUBST(WINDRES_FOR_BUILD)
3177 # Generate default definitions for YACC, M4, LEX and other programs that run
3178 # on the build machine. These are used if the Makefile can't locate these
3179 # programs in objdir.
3180 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3182 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3183 case " $build_configdirs " in
3184 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3187 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3188 case " $build_configdirs " in
3189 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3192 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3193 case " $build_configdirs " in
3194 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3197 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3198 case " $build_configdirs " in
3199 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3200 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3203 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3204 case " $build_configdirs " in
3205 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3208 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3209 case " $build_configdirs " in
3210 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3213 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3214 # higher, else we use the "missing" dummy.
3215 if ${MAKEINFO} --version \
3216 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3219 MAKEINFO="$MISSING makeinfo"
3225 # FIXME: expect and dejagnu may become build tools?
3227 AC_CHECK_PROGS(EXPECT, expect, expect)
3228 case " $configdirs " in
3230 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3234 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3235 case " $configdirs " in
3237 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3243 NCN_STRICT_CHECK_TOOLS(AR, ar)
3244 NCN_STRICT_CHECK_TOOLS(AS, as)
3245 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3246 NCN_STRICT_CHECK_TOOLS(LD, ld)
3247 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3248 NCN_STRICT_CHECK_TOOLS(NM, nm)
3249 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3250 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3251 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3252 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3253 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3254 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3255 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3262 AC_ARG_WITH([build-time-tools],
3263 [AS_HELP_STRING([--with-build-time-tools=PATH],
3264 [use given path to find target tools during the build])],
3265 [case x"$withval" in
3268 with_build_time_tools=
3269 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3272 [with_build_time_tools=])
3274 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3275 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3276 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3277 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3278 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3279 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3281 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3282 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3283 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3284 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3285 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3286 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3287 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3288 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3289 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3290 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3291 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3292 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3294 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3296 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3297 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3298 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3299 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3300 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3301 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3303 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3304 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3306 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3307 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3308 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3309 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3310 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3311 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3312 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3313 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3314 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3315 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3316 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3317 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3318 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3319 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3320 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3321 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3322 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3324 AC_SUBST(FLAGS_FOR_TARGET)
3325 AC_SUBST(RAW_CXX_FOR_TARGET)
3327 # Certain tools may need extra flags.
3328 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3329 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3330 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3332 # When building target libraries, except in a Canadian cross, we use
3333 # the same toolchain as the compiler we just built.
3334 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3335 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3336 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3337 if test $host = $build; then
3338 case " $configdirs " in
3340 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3341 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3342 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3347 AC_SUBST(COMPILER_AS_FOR_TARGET)
3348 AC_SUBST(COMPILER_LD_FOR_TARGET)
3349 AC_SUBST(COMPILER_NM_FOR_TARGET)
3351 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3352 AC_ARG_ENABLE(maintainer-mode,
3353 [AS_HELP_STRING([--enable-maintainer-mode],
3354 [enable make rules and dependencies not useful
3355 (and sometimes confusing) to the casual installer])],
3356 USE_MAINTAINER_MODE=$enableval,
3357 USE_MAINTAINER_MODE=no)
3358 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3359 AC_SUBST(MAINTAINER_MODE_TRUE)
3360 AC_SUBST(MAINTAINER_MODE_FALSE)
3361 if test "$USE_MAINTAINER_MODE" = yes; then
3362 MAINTAINER_MODE_TRUE=
3363 MAINTAINER_MODE_FALSE='#'
3365 MAINTAINER_MODE_TRUE='#'
3366 MAINTAINER_MODE_FALSE=
3368 MAINT=$MAINTAINER_MODE_TRUE
3371 # ---------------------
3372 # GCC bootstrap support
3373 # ---------------------
3375 # Stage specific cflags for build.
3380 yes) stage1_cflags="-g -Wa,-J" ;;
3381 *) stage1_cflags="-g -J" ;;
3385 AC_SUBST(stage1_cflags)
3387 # Enable --enable-checking in stage1 of the compiler.
3388 AC_ARG_ENABLE(stage1-checking,
3389 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3390 [choose additional checking for stage1 of the compiler])],
3391 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3392 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3393 stage1_checking=--enable-checking=yes,types
3395 stage1_checking=--enable-checking=$enable_checking,types
3397 AC_SUBST(stage1_checking)
3399 # Enable -Werror in bootstrap stage2 and later.
3400 AC_ARG_ENABLE(werror,
3401 [AS_HELP_STRING([--enable-werror],
3402 [enable -Werror in bootstrap stage2 and later])], [],
3403 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3408 case ${enable_werror} in
3409 yes) stage2_werror_flag="--enable-werror-always" ;;
3410 *) stage2_werror_flag="" ;;
3412 AC_SUBST(stage2_werror_flag)
3414 # Enable --enable-host-shared.
3415 AC_ARG_ENABLE(host-shared,
3416 [AS_HELP_STRING([--enable-host-shared],
3417 [build host code as shared libraries])],
3418 [host_shared=$enableval], [host_shared=no])
3419 AC_SUBST(host_shared)
3421 # Specify what files to not compare during bootstrap.
3423 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3425 hppa*64*-*-hpux*) ;;
3426 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3427 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3429 AC_SUBST(compare_exclusions)
3431 AC_CONFIG_FILES([Makefile],
3432 [sed "$extrasub_build" Makefile |
3433 sed "$extrasub_host" |
3434 sed "$extrasub_target" > mf$$
3435 mv -f mf$$ Makefile],
3436 [extrasub_build="$extrasub_build"
3437 extrasub_host="$extrasub_host"
3438 extrasub_target="$extrasub_target"])