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
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"
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"
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 # Handle --enable-gold, --enable-ld.
290 # --disable-gold [--enable-ld]
291 # Build only ld. Default option.
292 # --enable-gold [--enable-ld]
293 # Build both gold and ld. Install gold as "ld.gold", install ld
294 # as "ld.bfd" and "ld".
295 # --enable-gold=default [--enable-ld]
296 # Build both gold and ld. Install gold as "ld.gold" and "ld",
297 # install ld as "ld.bfd".
298 # --enable-gold[=default] --disable-ld
299 # Build only gold, which is then installed as both "ld.gold" and "ld".
300 # --enable-gold --enable-ld=default
301 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
303 # In other words, ld is default
304 # --enable-gold=default --enable-ld=default
309 [AS_HELP_STRING([[--enable-gold[=ARG]]],
310 [build gold @<:@ARG={default,yes,no}@:>@])],
311 ENABLE_GOLD=$enableval,
313 case "${ENABLE_GOLD}" in
315 # Check for ELF target.
318 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
319 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
320 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
321 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
323 *-*-linux*aout* | *-*-linux*oldld*)
331 if test "$is_elf" = "yes"; then
332 # Check for target supported by gold.
334 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
335 | aarch64*-*-* | tilegx*-*-*)
336 configdirs="$configdirs gold"
337 if test x${ENABLE_GOLD} = xdefault; then
348 AC_MSG_ERROR([invalid --enable-gold argument])
353 [AS_HELP_STRING([[--enable-ld[=ARG]]],
354 [build ld @<:@ARG={default,yes,no}@:>@])],
355 ENABLE_LD=$enableval,
358 case "${ENABLE_LD}" in
360 if test x${default_ld} != x; then
361 AC_MSG_ERROR([either gold or ld can be the default ld])
367 if test x${ENABLE_GOLD} != xyes; then
368 AC_MSG_WARN([neither ld nor gold are enabled])
370 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
373 AC_MSG_ERROR([invalid --enable-ld argument])
377 # Configure extra directories which are host specific
381 configdirs="$configdirs libtermcap" ;;
384 # A target can indicate whether a language isn't supported for some reason.
385 # Only spaces may be used in this macro; not newlines or tabs.
386 unsupported_languages=
388 # Remove more programs from consideration, based on the host or
389 # target this usually means that a port of the program doesn't
393 i[[3456789]]86-*-msdosdjgpp*)
394 noconfigdirs="$noconfigdirs tcl tk itcl"
399 AC_ARG_ENABLE(libquadmath,
400 AS_HELP_STRING([--disable-libquadmath],
401 [do not build libquadmath directory]),
402 ENABLE_LIBQUADMATH=$enableval,
403 ENABLE_LIBQUADMATH=yes)
404 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
405 noconfigdirs="$noconfigdirs target-libquadmath"
409 AC_ARG_ENABLE(libquadmath-support,
410 AS_HELP_STRING([--disable-libquadmath-support],
411 [disable libquadmath support for Fortran]),
412 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
413 ENABLE_LIBQUADMATH_SUPPORT=yes)
414 enable_libquadmath_support=
415 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
416 enable_libquadmath_support=no
420 AC_ARG_ENABLE(libada,
421 [AS_HELP_STRING([--enable-libada], [build libada directory])],
422 ENABLE_LIBADA=$enableval,
424 if test "${ENABLE_LIBADA}" != "yes" ; then
425 noconfigdirs="$noconfigdirs gnattools"
428 AC_ARG_ENABLE(libssp,
429 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
430 ENABLE_LIBSSP=$enableval,
433 AC_ARG_ENABLE(libstdcxx,
434 AS_HELP_STRING([--disable-libstdcxx],
435 [do not build libstdc++-v3 directory]),
436 ENABLE_LIBSTDCXX=$enableval,
437 ENABLE_LIBSTDCXX=default)
438 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
439 noconfigdirs="$noconfigdirs libstdc++-v3"
442 # Save it here so that, even in case of --enable-libgcj, if the Java
443 # front-end isn't enabled, we still get libgcj disabled.
445 case $enable_libgcj in
447 # If we reset it here, it won't get added to noconfigdirs in the
448 # target-specific build rules, so it will be forcibly enabled
449 # (unless the Java language itself isn't enabled).
453 # Make sure we get it printed in the list of not supported target libs.
454 # Don't disable libffi, though, other languages use it.
455 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
456 # Clear libgcj_saved so that even if java is enabled libffi won't be
462 AC_ARG_ENABLE(static-libjava,
463 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
464 [build static libjava @<:@default=no@:>@])],
465 ENABLE_STATIC_LIBJAVA=$enableval,
466 ENABLE_STATIC_LIBJAVA=no)
467 enable_static_libjava=
468 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
469 enable_static_libjava=yes
472 if test x$enable_static_libjava != xyes ; then
473 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
475 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
477 # Disable libgomp on non POSIX hosted systems.
478 if test x$enable_libgomp = x ; then
479 # Enable libgomp by default on hosted POSIX systems.
481 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
483 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
485 *-*-solaris2* | *-*-hpux11*)
487 *-*-darwin* | *-*-aix*)
490 noconfigdirs="$noconfigdirs target-libgomp"
495 # Disable libatomic on unsupported systems.
496 if test -d ${srcdir}/libatomic; then
497 if test x$enable_libatomic = x; then
498 AC_MSG_CHECKING([for libatomic support])
499 if (srcdir=${srcdir}/libatomic; \
500 . ${srcdir}/configure.tgt; \
501 test -n "$UNSUPPORTED")
504 noconfigdirs="$noconfigdirs target-libatomic"
511 # Disable libcilkrts on unsupported systems.
512 if test -d ${srcdir}/libcilkrts; then
513 if test x$enable_libcilkrts = x; then
514 AC_MSG_CHECKING([for libcilkrts support])
515 if (srcdir=${srcdir}/libcilkrts; \
516 . ${srcdir}/configure.tgt; \
517 test -n "$UNSUPPORTED")
520 noconfigdirs="$noconfigdirs target-libcilkrts"
527 # Disable libitm on unsupported systems.
528 if test -d ${srcdir}/libitm; then
529 if test x$enable_libitm = x; then
530 AC_MSG_CHECKING([for libitm support])
531 if (srcdir=${srcdir}/libitm; \
532 . ${srcdir}/configure.tgt; \
533 test -n "$UNSUPPORTED")
536 noconfigdirs="$noconfigdirs target-libitm"
543 # Disable libsanitizer on unsupported systems.
544 if test -d ${srcdir}/libsanitizer; then
545 if test x$enable_libsanitizer = x; then
546 AC_MSG_CHECKING([for libsanitizer support])
547 if (srcdir=${srcdir}/libsanitizer; \
548 . ${srcdir}/configure.tgt; \
549 test -n "$UNSUPPORTED")
552 noconfigdirs="$noconfigdirs target-libsanitizer"
559 # Disable libvtv on unsupported systems.
560 if test -d ${srcdir}/libvtv; then
561 if test x$enable_libvtv = x; then
562 AC_MSG_CHECKING([for libvtv support])
563 if (srcdir=${srcdir}/libvtv; \
564 . ${srcdir}/configure.tgt; \
565 test "$VTV_SUPPORTED" != "yes")
568 noconfigdirs="$noconfigdirs target-libvtv"
575 # Disable libquadmath for some systems.
578 noconfigdirs="$noconfigdirs target-libquadmath"
580 # libquadmath is unused on AIX and libquadmath build process use of
581 # LD_LIBRARY_PATH can break AIX bootstrap.
582 powerpc-*-aix* | rs6000-*-aix*)
583 noconfigdirs="$noconfigdirs target-libquadmath"
587 # Disable libssp for some systems.
590 # No hosted I/O support.
591 noconfigdirs="$noconfigdirs target-libssp"
593 powerpc-*-aix* | rs6000-*-aix*)
594 noconfigdirs="$noconfigdirs target-libssp"
597 # libssp uses a misaligned load to trigger a fault, but the RL78
598 # doesn't fault for those - instead, it gives a build-time error
599 # for explicit misaligned loads.
600 noconfigdirs="$noconfigdirs target-libssp"
604 # Disable libstdc++-v3 for some systems.
605 # Allow user to override this if they pass --enable-libstdc++-v3
606 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
609 # VxWorks uses the Dinkumware C++ library.
610 noconfigdirs="$noconfigdirs target-libstdc++-v3"
613 # the C++ libraries don't build on top of CE's C libraries
614 noconfigdirs="$noconfigdirs target-libstdc++-v3"
617 noconfigdirs="$noconfigdirs target-libstdc++-v3"
622 # Disable Fortran for some systems.
625 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
626 unsupported_languages="$unsupported_languages fortran"
630 # Disable Java if libffi is not supported.
662 powerpc-*-aix* | rs6000-*-aix*)
666 powerpc64-*-freebsd*)
670 s390-*-* | s390x-*-*)
672 sh-*-* | sh[[34]]*-*-*)
681 unsupported_languages="$unsupported_languages java"
685 # Disable Java, libgcj or related libraries for some systems.
689 i[[3456789]]86-*-darwin*)
691 x86_64-*-darwin[[912]]*)
694 noconfigdirs="$noconfigdirs ${libgcj}"
697 noconfigdirs="$noconfigdirs ${libgcj}"
700 noconfigdirs="$noconfigdirs ${libgcj}"
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 target-boehm-gc"
723 cris-*-* | crisv32-*-*)
724 unsupported_languages="$unsupported_languages java"
728 *) # See PR46792 regarding target-libffi.
729 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
733 # In this case, it's because the hppa64-linux target is for
734 # the kernel only at this point and has no libc, and thus no
735 # headers, crt*.o, etc., all of which are needed by these.
736 unsupported_languages="$unsupported_languages java"
739 noconfigdirs="$noconfigdirs ${libgcj}"
744 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
745 # build on HP-UX 10.20.
746 noconfigdirs="$noconfigdirs ${libgcj}"
749 noconfigdirs="$noconfigdirs ${libgcj}"
751 i[[3456789]]86-w64-mingw*)
752 noconfigdirs="$noconfigdirs ${libgcj}"
754 i[[3456789]]86-*-mingw*)
755 noconfigdirs="$noconfigdirs ${libgcj}"
758 noconfigdirs="$noconfigdirs ${libgcj}"
761 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
764 # copied from rs6000-*-* entry
765 noconfigdirs="$noconfigdirs ${libgcj}"
768 noconfigdirs="$noconfigdirs ${libgcj}"
771 noconfigdirs="$noconfigdirs ${libgcj}"
775 # Disable libgo for some systems where it is known to not work.
776 # For testing, you can easily override this with --enable-libgo.
777 if test x$enable_libgo = x; then
781 noconfigdirs="$noconfigdirs target-libgo"
783 *-*-cygwin* | *-*-mingw*)
784 noconfigdirs="$noconfigdirs target-libgo"
787 noconfigdirs="$noconfigdirs target-libgo"
792 # Default libgloss CPU subdirectory.
793 libgloss_dir="$target_cpu"
796 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
805 cris-*-* | crisv32-*-*)
814 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
831 # Disable newlib and libgloss for various target OSes.
834 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
836 i[[3456789]]86-*-linux*)
837 # This section makes it possible to build newlib natively on linux.
838 # If we are using a cross compiler then don't configure newlib.
839 if test x${is_cross_compiler} != xno ; then
840 noconfigdirs="$noconfigdirs target-newlib"
842 noconfigdirs="$noconfigdirs target-libgloss"
843 # If we are not using a cross compiler, do configure newlib.
844 # Note however, that newlib will only be configured in this situation
845 # if the --with-newlib option has been given, because otherwise
846 # 'target-newlib' will appear in skipdirs.
848 i[[3456789]]86-*-rdos*)
849 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
851 sh*-*-pe|mips*-*-pe|arm-wince-pe)
852 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
855 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
861 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
864 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
867 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
870 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
872 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
873 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
876 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
879 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
885 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
888 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
902 noconfigdirs="$noconfigdirs ld gas gdb gprof"
903 noconfigdirs="$noconfigdirs sim target-rda"
905 i[[3456789]]86-*-darwin*)
906 noconfigdirs="$noconfigdirs ld gprof"
907 noconfigdirs="$noconfigdirs sim target-rda"
909 x86_64-*-darwin[[912]]*)
910 noconfigdirs="$noconfigdirs ld gas gprof"
911 noconfigdirs="$noconfigdirs sim target-rda"
914 noconfigdirs="$noconfigdirs ld gas gdb gprof"
915 noconfigdirs="$noconfigdirs sim target-rda"
920 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
921 && test -f /usr/local/include/gmp.h; then
926 # Remove unsupported stuff on all kaOS configurations.
927 noconfigdirs="$noconfigdirs target-libgloss"
934 noconfigdirs="$noconfigdirs target-libgloss"
936 # The tpf target doesn't support gdb yet.
938 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
941 noconfigdirs="$noconfigdirs target-rda"
946 # ld works, but does not support shared libraries.
947 # gas doesn't generate exception information.
948 noconfigdirs="$noconfigdirs gas ld"
951 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
954 # newlib is not 64 bit ready
955 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
957 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
958 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
961 noconfigdirs="$noconfigdirs target-libgloss"
964 noconfigdirs="$noconfigdirs target-libgloss"
967 noconfigdirs="$noconfigdirs ld target-libgloss"
972 if test x${with_avrlibc} != xno; then
973 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
977 noconfigdirs="$noconfigdirs target-libgloss"
980 noconfigdirs="$noconfigdirs target-libgloss gdb"
983 noconfigdirs="$noconfigdirs target-libgloss"
986 noconfigdirs="$noconfigdirs gdb"
989 noconfigdirs="$noconfigdirs gdb"
992 noconfigdirs="$noconfigdirs gprof"
995 noconfigdirs="$noconfigdirs target-libgloss"
998 noconfigdirs="$noconfigdirs target-libgloss"
1000 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1008 hppa*-*-openbsd* | \
1012 noconfigdirs="$noconfigdirs ld"
1017 noconfigdirs="$noconfigdirs ld"
1020 noconfigdirs="$noconfigdirs gdb"
1023 # No gdb support yet.
1024 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1027 # No ld support yet.
1028 noconfigdirs="$noconfigdirs libgui itcl ld"
1031 # No ld support yet.
1032 noconfigdirs="$noconfigdirs libgui itcl ld"
1034 i[[3456789]]86-w64-mingw*)
1036 i[[3456789]]86-*-mingw*)
1037 target_configdirs="$target_configdirs target-winsup"
1040 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1041 noconfigdirs="$noconfigdirs target-libgloss"
1042 # always build newlib if winsup directory is present.
1043 if test -d "$srcdir/winsup/cygwin"; then
1044 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1045 elif test -d "$srcdir/newlib"; then
1046 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1049 i[[3456789]]86-*-pe)
1050 noconfigdirs="$noconfigdirs target-libgloss"
1052 i[[3456789]]86-*-sco3.2v5*)
1053 # The linker does not yet know about weak symbols in COFF,
1054 # and is not configured to handle mixed ELF and COFF.
1055 noconfigdirs="$noconfigdirs ld target-libgloss"
1057 i[[3456789]]86-*-sco*)
1058 noconfigdirs="$noconfigdirs gprof target-libgloss"
1060 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1061 noconfigdirs="$noconfigdirs target-libgloss"
1063 i[[3456789]]86-*-sysv4*)
1064 noconfigdirs="$noconfigdirs target-libgloss"
1066 i[[3456789]]86-*-beos*)
1067 noconfigdirs="$noconfigdirs gdb"
1069 i[[3456789]]86-*-rdos*)
1070 noconfigdirs="$noconfigdirs gdb"
1073 noconfigdirs="$noconfigdirs gdb"
1076 noconfigdirs="$noconfigdirs sim"
1079 # copied from rs6000-*-* entry
1080 noconfigdirs="$noconfigdirs gprof"
1082 powerpc*-*-winnt* | powerpc*-*-pe*)
1083 target_configdirs="$target_configdirs target-winsup"
1084 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1085 # always build newlib.
1086 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1088 # This is temporary until we can link against shared libraries
1089 powerpcle-*-solaris*)
1090 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1093 noconfigdirs="$noconfigdirs gdb"
1096 noconfigdirs="$noconfigdirs gprof"
1099 noconfigdirs="$noconfigdirs gprof"
1102 noconfigdirs="$noconfigdirs gprof"
1105 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1108 noconfigdirs="$noconfigdirs gprof"
1110 mips*-sde-elf* | mips*-mti-elf*)
1111 if test x$with_newlib = xyes; then
1112 noconfigdirs="$noconfigdirs gprof"
1116 noconfigdirs="$noconfigdirs gprof target-libgloss"
1119 noconfigdirs="$noconfigdirs gprof target-libgloss"
1122 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1126 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1127 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1128 noconfigdirs="$noconfigdirs ld gas gprof"
1131 noconfigdirs="$noconfigdirs gprof"
1138 noconfigdirs="$noconfigdirs target-libgloss" ;;
1142 if test x${is_cross_compiler} = xno ; then
1147 noconfigdirs="$noconfigdirs sim"
1149 tilepro*-*-* | tilegx*-*-*)
1150 noconfigdirs="$noconfigdirs sim"
1153 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1156 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1160 # If we aren't building newlib, then don't build libgloss, since libgloss
1161 # depends upon some newlib header files.
1162 case "${noconfigdirs}" in
1163 *target-libgloss*) ;;
1164 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1167 # Work in distributions that contain no compiler tools, like Autoconf.
1168 host_makefile_frag=/dev/null
1169 if test -d ${srcdir}/config ; then
1171 i[[3456789]]86-*-msdosdjgpp*)
1172 host_makefile_frag="config/mh-djgpp"
1175 ACX_CHECK_CYGWIN_CAT_WORKS
1176 host_makefile_frag="config/mh-cygwin"
1179 host_makefile_frag="config/mh-mingw"
1182 host_makefile_frag="config/mh-alpha-linux"
1185 host_makefile_frag="config/mh-pa-hpux10"
1188 host_makefile_frag="config/mh-pa"
1191 host_makefile_frag="config/mh-pa"
1194 host_makefile_frag="config/mh-darwin"
1197 host_makefile_frag="config/mh-ppc-aix"
1200 host_makefile_frag="config/mh-ppc-aix"
1205 if test "${build}" != "${host}" ; then
1206 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1207 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1208 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1209 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1210 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1211 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1212 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1213 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1214 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1215 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1216 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1217 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1218 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1220 AR_FOR_BUILD="\$(AR)"
1221 AS_FOR_BUILD="\$(AS)"
1222 CC_FOR_BUILD="\$(CC)"
1223 CXX_FOR_BUILD="\$(CXX)"
1224 GCJ_FOR_BUILD="\$(GCJ)"
1225 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1226 GOC_FOR_BUILD="\$(GOC)"
1227 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1228 LD_FOR_BUILD="\$(LD)"
1229 NM_FOR_BUILD="\$(NM)"
1230 RANLIB_FOR_BUILD="\$(RANLIB)"
1231 WINDRES_FOR_BUILD="\$(WINDRES)"
1232 WINDMC_FOR_BUILD="\$(WINDMC)"
1238 # We must set the default linker to the linker used by gcc for the correct
1239 # operation of libtool. If LD is not defined and we are using gcc, try to
1240 # set the LD default to the ld used by gcc.
1241 if test -z "$LD"; then
1242 if test "$GCC" = yes; then
1245 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1247 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1249 case $gcc_prog_ld in
1250 # Accept absolute paths.
1251 [[\\/]* | [A-Za-z]:[\\/]*)]
1252 LD="$gcc_prog_ld" ;;
1257 # Check whether -static-libstdc++ -static-libgcc is supported.
1259 if test "$GCC" = yes; then
1260 saved_LDFLAGS="$LDFLAGS"
1262 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1263 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1266 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1267 #error -static-libstdc++ not implemented
1270 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1271 [AC_MSG_RESULT([no])])
1274 LDFLAGS="$saved_LDFLAGS"
1278 ACX_PROG_CMP_IGNORE_INITIAL
1280 AC_ARG_ENABLE([bootstrap],
1281 [AS_HELP_STRING([--enable-bootstrap],
1282 [enable bootstrapping @<:@yes if native build@:>@])],,
1283 enable_bootstrap=default)
1285 # Issue errors and warnings for invalid/strange bootstrap combinations.
1286 if test -r $srcdir/gcc/configure; then
1292 case "$have_compiler:$host:$target:$enable_bootstrap" in
1295 # Default behavior. Enable bootstrap if we have a compiler
1296 # and we are in a native configuration.
1297 yes:$build:$build:default)
1298 enable_bootstrap=yes ;;
1301 enable_bootstrap=no ;;
1303 # We have a compiler and we are in a native configuration, bootstrap is ok
1304 yes:$build:$build:yes)
1307 # Other configurations, but we have a compiler. Assume the user knows
1310 AC_MSG_WARN([trying to bootstrap a cross compiler])
1313 # No compiler: if they passed --enable-bootstrap explicitly, fail
1315 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1317 # Fail if wrong command line
1319 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1323 # Used for setting $lt_cv_objdir
1326 # Check for GMP, MPFR and MPC
1327 gmplibs="-lmpc -lmpfr -lgmp"
1331 # Specify a location for mpc
1332 # check for this first so it ends up on the link line before mpfr.
1334 [AS_HELP_STRING([--with-mpc=PATH],
1335 [specify prefix directory for installed MPC package.
1336 Equivalent to --with-mpc-include=PATH/include
1337 plus --with-mpc-lib=PATH/lib])])
1338 AC_ARG_WITH(mpc-include,
1339 [AS_HELP_STRING([--with-mpc-include=PATH],
1340 [specify directory for installed MPC include files])])
1341 AC_ARG_WITH(mpc-lib,
1342 [AS_HELP_STRING([--with-mpc-lib=PATH],
1343 [specify directory for the installed MPC library])])
1345 if test "x$with_mpc" != x; then
1346 gmplibs="-L$with_mpc/lib $gmplibs"
1347 gmpinc="-I$with_mpc/include $gmpinc"
1349 if test "x$with_mpc_include" != x; then
1350 gmpinc="-I$with_mpc_include $gmpinc"
1352 if test "x$with_mpc_lib" != x; then
1353 gmplibs="-L$with_mpc_lib $gmplibs"
1355 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1356 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1357 gmpinc='-I$$s/mpc/src '"$gmpinc"
1358 # Do not test the mpc version. Assume that it is sufficient, since
1359 # it is in the source tree, and the library has not been built yet
1360 # but it would be included on the link line in the version check below
1361 # hence making the test fail.
1365 # Specify a location for mpfr
1366 # check for this first so it ends up on the link line before gmp.
1367 AC_ARG_WITH(mpfr-dir,
1368 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1369 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1370 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1373 [AS_HELP_STRING([--with-mpfr=PATH],
1374 [specify prefix directory for installed MPFR package.
1375 Equivalent to --with-mpfr-include=PATH/include
1376 plus --with-mpfr-lib=PATH/lib])])
1377 AC_ARG_WITH(mpfr-include,
1378 [AS_HELP_STRING([--with-mpfr-include=PATH],
1379 [specify directory for installed MPFR include files])])
1380 AC_ARG_WITH(mpfr-lib,
1381 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1382 [specify directory for the installed MPFR library])])
1384 if test "x$with_mpfr" != x; then
1385 gmplibs="-L$with_mpfr/lib $gmplibs"
1386 gmpinc="-I$with_mpfr/include $gmpinc"
1388 if test "x$with_mpfr_include" != x; then
1389 gmpinc="-I$with_mpfr_include $gmpinc"
1391 if test "x$with_mpfr_lib" != x; then
1392 gmplibs="-L$with_mpfr_lib $gmplibs"
1394 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1395 # MPFR v3.1.0 moved the sources into a src sub-directory.
1396 if test -d ${srcdir}/mpfr/src; then
1397 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1398 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1399 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1401 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1402 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1403 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1405 # Do not test the mpfr version. Assume that it is sufficient, since
1406 # it is in the source tree, and the library has not been built yet
1407 # but it would be included on the link line in the version check below
1408 # hence making the test fail.
1412 # Specify a location for gmp
1413 AC_ARG_WITH(gmp-dir,
1414 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1415 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1416 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1419 [AS_HELP_STRING([--with-gmp=PATH],
1420 [specify prefix directory for the installed GMP package.
1421 Equivalent to --with-gmp-include=PATH/include
1422 plus --with-gmp-lib=PATH/lib])])
1423 AC_ARG_WITH(gmp-include,
1424 [AS_HELP_STRING([--with-gmp-include=PATH],
1425 [specify directory for installed GMP include files])])
1426 AC_ARG_WITH(gmp-lib,
1427 [AS_HELP_STRING([--with-gmp-lib=PATH],
1428 [specify directory for the installed GMP library])])
1431 if test "x$with_gmp" != x; then
1432 gmplibs="-L$with_gmp/lib $gmplibs"
1433 gmpinc="-I$with_gmp/include $gmpinc"
1435 if test "x$with_gmp_include" != x; then
1436 gmpinc="-I$with_gmp_include $gmpinc"
1438 if test "x$with_gmp_lib" != x; then
1439 gmplibs="-L$with_gmp_lib $gmplibs"
1441 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1442 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1443 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1444 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1445 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1446 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1447 # Do not test the gmp version. Assume that it is sufficient, since
1448 # it is in the source tree, and the library has not been built yet
1449 # but it would be included on the link line in the version check below
1450 # hence making the test fail.
1454 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1456 saved_CFLAGS="$CFLAGS"
1457 CFLAGS="$CFLAGS $gmpinc"
1458 # Check for the recommended and required versions of GMP.
1459 AC_MSG_CHECKING([for the correct version of gmp.h])
1460 AC_TRY_COMPILE([#include "gmp.h"],[
1461 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1462 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1463 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1466 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1467 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1468 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1469 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1472 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1473 [AC_MSG_RESULT([no]); have_gmp=no])
1475 # If we have GMP, check the MPFR version.
1476 if test x"$have_gmp" = xyes; then
1477 # Check for the recommended and required versions of MPFR.
1478 AC_MSG_CHECKING([for the correct version of mpfr.h])
1479 AC_TRY_COMPILE([#include <gmp.h>
1480 #include <mpfr.h>],[
1481 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1484 ], [AC_TRY_COMPILE([#include <gmp.h>
1485 #include <mpfr.h>],[
1486 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1489 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1490 [AC_MSG_RESULT([no]); have_gmp=no])
1493 # Check for the MPC header version.
1494 if test x"$have_gmp" = xyes ; then
1495 # Check for the recommended and required versions of MPC.
1496 AC_MSG_CHECKING([for the correct version of mpc.h])
1497 AC_TRY_COMPILE([#include <mpc.h>],[
1498 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1501 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1502 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1505 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1506 [AC_MSG_RESULT([no]); have_gmp=no])
1509 # Now check the MPFR library.
1510 if test x"$have_gmp" = xyes; then
1512 LIBS="$LIBS $gmplibs"
1513 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1514 AC_TRY_LINK([#include <mpc.h>],[
1521 mpfr_atan2 (n, n, x, GMP_RNDN);
1522 mpfr_erfc (n, x, GMP_RNDN);
1523 mpfr_subnormalize (x, t, GMP_RNDN);
1527 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1528 mpc_cosh (c, c, MPC_RNDNN);
1529 mpc_pow (c, c, c, MPC_RNDNN);
1530 mpc_acosh (c, c, MPC_RNDNN);
1532 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1536 CFLAGS="$saved_CFLAGS"
1538 # The library versions listed in the error message below should match
1539 # the HARD-minimums enforced above.
1540 if test x$have_gmp != xyes; then
1541 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1542 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1543 their locations. Source code for these libraries can be found at
1544 their respective hosting sites as well as at
1545 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1546 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1547 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1548 make sure that you have installed both the libraries and the header
1549 files. They may be located in separate packages.])
1553 # Flags needed for both GMP, MPFR and/or MPC.
1556 AC_SUBST(extra_mpfr_configure_flags)
1557 AC_SUBST(extra_mpc_gmp_configure_flags)
1558 AC_SUBST(extra_mpc_mpfr_configure_flags)
1559 AC_SUBST(extra_isl_gmp_configure_flags)
1561 # Allow host libstdc++ to be specified for static linking with PPL.
1562 AC_ARG_WITH(host-libstdcxx,
1563 [AS_HELP_STRING([--with-host-libstdcxx=L],
1564 [use linker arguments L to link with libstdc++
1565 when linking with PPL])])
1567 case $with_host_libstdcxx in
1569 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1573 # Libraries to use for stage1 or when not bootstrapping.
1574 AC_ARG_WITH(stage1-libs,
1575 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1576 [if test "$withval" = "no" -o "$withval" = "yes"; then
1579 stage1_libs=$withval
1581 [stage1_libs=$with_host_libstdcxx])
1582 AC_SUBST(stage1_libs)
1584 # Linker flags to use for stage1 or when not bootstrapping.
1585 AC_ARG_WITH(stage1-ldflags,
1586 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1587 [if test "$withval" = "no" -o "$withval" = "yes"; then
1590 stage1_ldflags=$withval
1593 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1594 # if supported. But if the user explicitly specified the libraries to use,
1595 # trust that they are doing what they want.
1596 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1597 stage1_ldflags="-static-libstdc++ -static-libgcc"
1599 AC_SUBST(stage1_ldflags)
1601 # Libraries to use for stage2 and later builds. This defaults to the
1602 # argument passed to --with-host-libstdcxx.
1603 AC_ARG_WITH(boot-libs,
1604 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1605 [if test "$withval" = "no" -o "$withval" = "yes"; then
1608 poststage1_libs=$withval
1610 [poststage1_libs=$with_host_libstdcxx])
1611 AC_SUBST(poststage1_libs)
1613 # Linker flags to use for stage2 and later builds.
1614 AC_ARG_WITH(boot-ldflags,
1615 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1616 [linker flags for stage2 and later])],
1617 [if test "$withval" = "no" -o "$withval" = "yes"; then
1620 poststage1_ldflags=$withval
1622 [poststage1_ldflags=
1623 # In stages 2 and 3, default to linking libstdc++ and libgcc
1624 # statically. But if the user explicitly specified the libraries to
1625 # use, trust that they are doing what they want.
1626 if test "$poststage1_libs" = ""; then
1627 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1629 AC_SUBST(poststage1_ldflags)
1631 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1632 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1637 [--with-cloog=PATH],
1638 [Specify prefix directory for the installed CLooG-ISL package.
1639 Equivalent to --with-cloog-include=PATH/include
1640 plus --with-cloog-lib=PATH/lib])])
1644 [Specify prefix directory for the installed ISL package.
1645 Equivalent to --with-isl-include=PATH/include
1646 plus --with-isl-lib=PATH/lib])])
1648 # Treat either --without-cloog or --without-isl as a request to disable
1649 # GRAPHITE support and skip all following checks.
1650 if test "x$with_isl" != "xno" &&
1651 test "x$with_cloog" != "xno"; then
1653 dnl Provide configure switches and initialize islinc & isllibs
1654 dnl with user input.
1656 dnl The versions of ISL that work for Graphite
1657 ISL_CHECK_VERSION(0,10)
1658 if test "${gcc_cv_isl}" = no ; then
1659 ISL_CHECK_VERSION(0,11)
1660 if test "${gcc_cv_isl}" = no ; then
1661 ISL_CHECK_VERSION(0,12)
1664 dnl Only execute fail-action, if ISL has been requested.
1666 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1668 if test "x$gcc_cv_isl" != "xno"; then
1670 dnl Provide configure switches and initialize clooginc & clooglibs
1671 dnl with user input.
1673 dnl The versions of CLooG that work for Graphite.
1674 CLOOG_CHECK_VERSION(0,17,0)
1675 if test "${gcc_cv_cloog}" = no ; then
1676 CLOOG_CHECK_VERSION(0,18,0)
1679 dnl Only execute fail-action, if CLooG has been requested.
1681 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1685 # If either the ISL or the CLooG check failed, disable builds of in-tree
1687 if test "x$with_isl" = xno ||
1688 test "x$with_cloog" = xno ||
1689 test "x$gcc_cv_cloog" = xno ||
1690 test "x$gcc_cv_isl" = xno; then
1691 noconfigdirs="$noconfigdirs cloog isl"
1702 # Check for LTO support.
1704 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1705 enable_lto=$enableval,
1706 enable_lto=yes; default_enable_lto=yes)
1708 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1709 build_lto_plugin=yes
1710 ],[if test x"$default_enable_lto" = x"yes" ; then
1712 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1713 # On other non-ELF platforms, LTO has yet to be validated.
1717 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1718 # It would also be nice to check the binutils support, but we don't
1719 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1720 # warn during gcc/ subconfigure; unless you're bootstrapping with
1721 # -flto it won't be needed until after installation anyway.
1723 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1724 *) if test x"$enable_lto" = x"yes"; then
1725 AC_MSG_ERROR([LTO support is not enabled for this target.])
1730 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1731 # Build it unless LTO was explicitly disabled.
1733 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1739 # By default, C and C++ are the only stage 1 languages.
1740 stage1_languages=,c,
1742 # Target libraries that we bootstrap.
1743 bootstrap_target_libs=,target-libgcc,
1745 # Figure out what language subdirectories are present.
1746 # Look if the user specified --enable-languages="..."; if not, use
1747 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1749 # NB: embedded tabs in this IF block -- do not untabify
1750 if test -d ${srcdir}/gcc; then
1751 if test x"${enable_languages+set}" != xset; then
1752 if test x"${LANGUAGES+set}" = xset; then
1753 enable_languages="${LANGUAGES}"
1754 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1756 enable_languages=all
1759 if test x"${enable_languages}" = x ||
1760 test x"${enable_languages}" = xyes;
1762 echo configure.in: --enable-languages needs at least one language argument 1>&2
1766 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1768 # 'f95' is the old name for the 'fortran' language. We issue a warning
1769 # and make the substitution.
1770 case ,${enable_languages}, in
1772 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1773 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1777 # If bootstrapping, C++ must be enabled.
1778 case ",$enable_languages,:$enable_bootstrap" in
1781 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1782 enable_languages="${enable_languages},c++"
1784 AC_MSG_ERROR([bootstrapping requires c++ sources])
1789 # First scan to see if an enabled language requires some other language.
1790 # We assume that a given config-lang.in will list all the language
1791 # front ends it requires, even if some are required indirectly.
1792 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1793 case ${lang_frag} in
1795 # The odd quoting in the next line works around
1796 # an apparent bug in bash 1.12 on linux.
1797 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1799 # From the config-lang.in, get $language, $lang_requires, and
1800 # $lang_requires_boot_languages.
1803 lang_requires_boot_languages=
1805 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1806 case ,${enable_languages}, in
1810 echo " \`$other' language required by \`$language'; enabling" 1>&2
1811 enable_languages="${enable_languages},${other}"
1815 for other in ${lang_requires_boot_languages} ; do
1816 if test "$other" != "c"; then
1817 case ,${enable_stage1_languages}, in
1821 case ,${enable_languages}, in
1823 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1824 enable_stage1_languages="$enable_stage1_languages,${other}"
1835 new_enable_languages=,c,
1837 # If LTO is enabled, add the LTO front end.
1838 extra_host_libiberty_configure_flags=
1839 if test "$enable_lto" = "yes" ; then
1840 case ,${enable_languages}, in
1842 *) enable_languages="${enable_languages},lto" ;;
1844 if test "${build_lto_plugin}" = "yes" ; then
1845 configdirs="$configdirs lto-plugin"
1846 extra_host_libiberty_configure_flags=--enable-shared
1849 AC_SUBST(extra_host_libiberty_configure_flags)
1851 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1852 potential_languages=,c,
1854 enabled_target_libs=
1855 disabled_target_libs=
1857 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1858 case ${lang_frag} in
1860 # The odd quoting in the next line works around
1861 # an apparent bug in bash 1.12 on linux.
1862 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1864 # From the config-lang.in, get $language, $target_libs,
1865 # $lang_dirs, $boot_language, and $build_by_default
1871 build_by_default=yes
1873 if test x${language} = x; then
1874 echo "${lang_frag} doesn't set \$language." 1>&2
1878 if test "$language" = "c++"; then
1883 case ,${enable_languages}, in
1885 # Language was explicitly selected; include it
1886 # unless it is C, which is enabled by default.
1887 if test "$language" != "c"; then
1892 # 'all' was selected, select it if it is a default language
1893 if test "$language" != "c"; then
1894 add_this_lang=${build_by_default}
1899 # Disable languages that need other directories if these aren't available.
1900 for i in $subdir_requires; do
1901 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1902 case ,${enable_languages}, in
1904 # Specifically requested language; tell them.
1905 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1909 add_this_lang=unsupported
1914 # Disable Ada if no preexisting GNAT is available.
1915 case ,${enable_languages},:${language}:${have_gnat} in
1916 *,${language},*:ada:no)
1917 # Specifically requested language; tell them.
1918 AC_MSG_ERROR([GNAT is required to build $language])
1922 add_this_lang=unsupported
1926 # Disable a language that is unsupported by the target.
1927 case " $unsupported_languages " in
1929 add_this_lang=unsupported
1933 case $add_this_lang in
1935 # Remove language-dependent dirs.
1936 disabled_target_libs="$disabled_target_libs $target_libs"
1937 noconfigdirs="$noconfigdirs $lang_dirs"
1940 # Remove language-dependent dirs; still show language as supported.
1941 disabled_target_libs="$disabled_target_libs $target_libs"
1942 noconfigdirs="$noconfigdirs $lang_dirs"
1943 potential_languages="${potential_languages}${language},"
1946 new_enable_languages="${new_enable_languages}${language},"
1947 potential_languages="${potential_languages}${language},"
1948 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1949 enabled_target_libs="$enabled_target_libs $target_libs"
1950 case "${boot_language}:,$enable_stage1_languages," in
1951 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1952 # Add to (comma-separated) list of stage 1 languages.
1953 case ",$stage1_languages," in
1954 *,$language,* | ,yes, | ,all,) ;;
1955 *) stage1_languages="${stage1_languages}${language}," ;;
1957 # We need to bootstrap any supporting libraries.
1958 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1967 # Add target libraries which are only needed for disabled languages
1969 if test -n "$disabled_target_libs"; then
1970 for dir in $disabled_target_libs; do
1971 case " $enabled_target_libs " in
1973 *) noconfigdirs="$noconfigdirs $dir" ;;
1978 AC_ARG_ENABLE(stage1-languages,
1979 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1980 [choose additional languages to build during
1981 stage1. Mostly useful for compiler development])],
1982 [case ,${enable_stage1_languages}, in
1984 # Set it to something that will have no effect in the loop below
1985 enable_stage1_languages=c ;;
1987 enable_stage1_languages=`echo $new_enable_languages | \
1988 sed -e "s/^,//" -e "s/,$//" ` ;;
1990 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1991 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1994 # Add "good" languages from enable_stage1_languages to stage1_languages,
1995 # while "bad" languages go in missing_languages. Leave no duplicates.
1996 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1997 case $potential_languages in
1999 case $stage1_languages in
2001 *) stage1_languages="$stage1_languages$i," ;;
2004 case $missing_languages in
2006 *) missing_languages="$missing_languages$i," ;;
2011 # Remove leading/trailing commas that were added for simplicity
2012 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2013 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2014 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2015 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2017 if test "x$missing_languages" != x; then
2019 The following requested languages could not be built: ${missing_languages}
2020 Supported languages are: ${potential_languages}])
2022 if test "x$new_enable_languages" != "x$enable_languages"; then
2023 echo The following languages will be built: ${new_enable_languages}
2024 enable_languages="$new_enable_languages"
2027 AC_SUBST(stage1_languages)
2028 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2031 # Handle --disable-<component> generically.
2032 for dir in $configdirs $build_configdirs $target_configdirs ; do
2033 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2034 varname=`echo $dirname | sed -e s/+/_/g`
2035 if eval test x\${enable_${varname}} "=" xno ; then
2036 noconfigdirs="$noconfigdirs $dir"
2040 # Check for Boehm's garbage collector
2041 AC_ARG_ENABLE(objc-gc,
2042 [AS_HELP_STRING([--enable-objc-gc],
2043 [enable use of Boehm's garbage collector with the
2044 GNU Objective-C runtime])],
2045 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2046 *,objc,*:*:yes:*target-boehm-gc*)
2047 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2051 # Make sure we only build Boehm's garbage collector if required.
2052 case ,${enable_languages},:${enable_objc_gc} in
2054 # Keep target-boehm-gc if requested for Objective-C.
2057 # Otherwise remove target-boehm-gc depending on target-libjava.
2058 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2059 noconfigdirs="$noconfigdirs target-boehm-gc"
2064 # Disable libitm, libsanitizer, libvtv if we're not building C++
2065 case ,${enable_languages}, in
2068 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
2072 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2073 # $build_configdirs and $target_configdirs.
2074 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2077 for dir in . $skipdirs $noconfigdirs ; do
2078 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2079 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2080 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2081 if test -r $srcdir/$dirname/configure ; then
2082 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2085 notsupp="$notsupp $dir"
2089 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2090 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2091 if test -r $srcdir/$dirname/configure ; then
2092 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2095 notsupp="$notsupp $dir"
2099 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2100 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2101 if test -r $srcdir/$dirname/configure ; then
2102 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2105 notsupp="$notsupp $dir"
2111 # Quietly strip out all directories which aren't configurable in this tree.
2112 # This relies on all configurable subdirectories being autoconfiscated, which
2114 build_configdirs_all="$build_configdirs"
2116 for i in ${build_configdirs_all} ; do
2117 j=`echo $i | sed -e s/build-//g`
2118 if test -f ${srcdir}/$j/configure ; then
2119 build_configdirs="${build_configdirs} $i"
2123 configdirs_all="$configdirs"
2125 for i in ${configdirs_all} ; do
2126 if test -f ${srcdir}/$i/configure ; then
2127 configdirs="${configdirs} $i"
2131 target_configdirs_all="$target_configdirs"
2133 for i in ${target_configdirs_all} ; do
2134 j=`echo $i | sed -e s/target-//g`
2135 if test -f ${srcdir}/$j/configure ; then
2136 target_configdirs="${target_configdirs} $i"
2140 # Produce a warning message for the subdirs we can't configure.
2141 # This isn't especially interesting in the Cygnus tree, but in the individual
2142 # FSF releases, it's important to let people know when their machine isn't
2143 # supported by the one or two programs in a package.
2145 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2146 # If $appdirs is non-empty, at least one of those directories must still
2147 # be configured, or we error out. (E.g., if the gas release supports a
2148 # specified target in some subdirs but not the gas subdir, we shouldn't
2149 # pretend that all is well.)
2150 if test -n "$appdirs" ; then
2151 for dir in $appdirs ; do
2152 if test -r $dir/Makefile.in ; then
2153 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2157 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2163 if test -n "$appdirs" ; then
2164 echo "*** This configuration is not supported by this package." 1>&2
2168 # Okay, some application will build, or we don't care to check. Still
2169 # notify of subdirs not getting built.
2170 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2171 echo " ${notsupp}" 1>&2
2172 echo " (Any other directories should still work fine.)" 1>&2
2180 # To find our prefix, in gcc_cv_tool_prefix.
2185 AC_ARG_WITH([build-sysroot],
2186 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2187 [use sysroot as the system root during the build])],
2188 [if test x"$withval" != x ; then
2189 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2191 [SYSROOT_CFLAGS_FOR_TARGET=])
2192 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2194 AC_ARG_WITH([debug-prefix-map],
2195 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2196 [map A to B, C to D ... in debug information])],
2197 [if test x"$withval" != x; then
2198 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2199 for debug_map in $withval; do
2200 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2203 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2204 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2206 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2207 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2208 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2209 # We want to ensure that TARGET libraries (which we know are built with
2210 # gcc) are built with "-O2 -g", so include those options when setting
2211 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2212 if test "x$CFLAGS_FOR_TARGET" = x; then
2213 CFLAGS_FOR_TARGET=$CFLAGS
2216 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2219 *" -g "* | *" -g3 "*) ;;
2220 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2223 AC_SUBST(CFLAGS_FOR_TARGET)
2225 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2226 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2227 case " $CXXFLAGS " in
2229 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2231 case " $CXXFLAGS " in
2232 *" -g "* | *" -g3 "*) ;;
2233 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2236 AC_SUBST(CXXFLAGS_FOR_TARGET)
2238 AC_SUBST(LDFLAGS_FOR_TARGET)
2240 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2241 # the named directory are copied to $(tooldir)/sys-include.
2242 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2243 if test x${is_cross_compiler} = xno ; then
2244 echo 1>&2 '***' --with-headers is only supported when cross compiling
2247 if test x"${with_headers}" != xyes ; then
2248 x=${gcc_cv_tool_prefix}
2249 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2253 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2254 # the name directories are copied to $(tooldir)/lib. Multiple directories
2256 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2257 if test x${is_cross_compiler} = xno ; then
2258 echo 1>&2 '***' --with-libs is only supported when cross compiling
2261 if test x"${with_libs}" != xyes ; then
2262 # Copy the libraries in reverse order, so that files in the first named
2263 # library override files in subsequent libraries.
2264 x=${gcc_cv_tool_prefix}
2265 for l in ${with_libs}; do
2266 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2271 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2273 # This is done by determining whether or not the appropriate directory
2274 # is available, and by checking whether or not specific configurations
2275 # have requested that this magic not happen.
2277 # The command line options always override the explicit settings in
2278 # configure.in, and the settings in configure.in override this magic.
2280 # If the default for a toolchain is to use GNU as and ld, and you don't
2281 # want to do that, then you should use the --without-gnu-as and
2282 # --without-gnu-ld options for the configure script. Similarly, if
2283 # the default is to use the included zlib and you don't want to do that,
2284 # you should use the --with-system-zlib option for the configure script.
2286 if test x${use_gnu_as} = x &&
2287 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2289 extra_host_args="$extra_host_args --with-gnu-as"
2292 if test x${use_gnu_ld} = x &&
2293 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2295 extra_host_args="$extra_host_args --with-gnu-ld"
2298 if test x${use_included_zlib} = x &&
2299 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2302 with_system_zlib=yes
2303 extra_host_args="$extra_host_args --with-system-zlib"
2306 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2307 # can detect this case.
2309 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2311 extra_host_args="$extra_host_args --with-newlib"
2314 # Handle ${copy_dirs}
2315 set fnord ${copy_dirs}
2317 while test $# != 0 ; do
2318 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2321 echo Copying $1 to $2
2323 # Use the install script to create the directory and all required
2324 # parent directories.
2325 if test -d $2 ; then
2329 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2332 # Copy the directory, assuming we have tar.
2333 # FIXME: Should we use B in the second tar? Not all systems support it.
2334 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2336 # It is the responsibility of the user to correctly adjust all
2337 # symlinks. If somebody can figure out how to handle them correctly
2338 # here, feel free to add the code.
2345 # Determine a target-dependent exec_prefix that the installed
2346 # gcc will search in. Keep this list sorted by triplet, with
2347 # the *-*-osname triplets last.
2350 i[[34567]]86-pc-msdosdjgpp*)
2351 md_exec_prefix=/dev/env/DJDIR/bin
2356 md_exec_prefix=/usr/ccs/bin
2360 extra_arflags_for_target=
2361 extra_nmflags_for_target=
2362 extra_ranlibflags_for_target=
2363 target_makefile_frag=/dev/null
2366 target_makefile_frag="config/mt-spu"
2368 mips*-sde-elf* | mips*-mti-elf*)
2369 target_makefile_frag="config/mt-sde"
2371 mipsisa*-*-elfoabi*)
2372 target_makefile_frag="config/mt-mips-elfoabi"
2374 mips*-*-*linux* | mips*-*-gnu*)
2375 target_makefile_frag="config/mt-mips-gnu"
2377 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2378 target_makefile_frag="config/mt-gnu"
2380 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2381 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2382 # commands to handle both 32-bit and 64-bit objects. These flags are
2383 # harmless if we're using GNU nm or ar.
2384 extra_arflags_for_target=" -X32_64"
2385 extra_nmflags_for_target=" -B -X32_64"
2389 alphaieee_frag=/dev/null
2392 # This just makes sure to use the -mieee option to build target libs.
2393 # This should probably be set individually by each library.
2394 alphaieee_frag="config/mt-alphaieee"
2398 # If --enable-target-optspace always use -Os instead of -O2 to build
2399 # the target libraries, similarly if it is not specified, use -Os
2400 # on selected platforms.
2401 ospace_frag=/dev/null
2402 case "${enable_target_optspace}:${target}" in
2404 ospace_frag="config/mt-ospace"
2407 ospace_frag="config/mt-d30v"
2409 :m32r-* | :d10v-* | :fr30-*)
2410 ospace_frag="config/mt-ospace"
2415 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2419 # Some systems (e.g., one of the i386-aix systems the gas testers are
2420 # using) don't handle "\$" correctly, so don't use it here.
2421 tooldir='${exec_prefix}'/${target_noncanonical}
2422 build_tooldir=${tooldir}
2424 # Create a .gdbinit file which runs the one in srcdir
2425 # and tells GDB to look there for source files.
2427 if test -r ${srcdir}/.gdbinit ; then
2430 *) cat > ./.gdbinit <<EOF
2434 source ${srcdir}/.gdbinit
2440 # Make sure that the compiler is able to generate an executable. If it
2441 # can't, we are probably in trouble. We don't care whether we can run the
2442 # executable--we might be using a cross compiler--we only care whether it
2443 # can be created. At this point the main configure script has set CC.
2445 echo "int main () { return 0; }" > conftest.c
2446 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2447 if test $? = 0 ; then
2448 if test -s conftest || test -s conftest.exe ; then
2454 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2455 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2462 # Decide which environment variable is used to find dynamic libraries.
2464 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2465 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2466 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2467 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2470 # On systems where the dynamic library environment variable is PATH,
2471 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2472 # built executables to PATH.
2473 if test "$RPATH_ENVVAR" = PATH; then
2474 GCC_SHLIB_SUBDIR=/shlib
2479 # Adjust the toplevel makefile according to whether bootstrap was selected.
2480 case $enable_bootstrap in
2482 bootstrap_suffix=bootstrap
2483 BUILD_CONFIG=bootstrap-debug
2486 bootstrap_suffix=no-bootstrap
2491 AC_MSG_CHECKING(for default BUILD_CONFIG)
2493 AC_ARG_WITH([build-config],
2494 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2495 [use config/NAME.mk build configuration])],
2496 [case $with_build_config in
2497 yes) with_build_config= ;;
2498 no) with_build_config= BUILD_CONFIG= ;;
2501 if test "x${with_build_config}" != x; then
2502 BUILD_CONFIG=$with_build_config
2504 case $BUILD_CONFIG in
2506 if echo "int f (void) { return 0; }" > conftest.c &&
2507 ${CC} -c conftest.c &&
2508 mv conftest.o conftest.o.g0 &&
2509 ${CC} -c -g conftest.c &&
2510 mv conftest.o conftest.o.g &&
2511 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2516 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2520 AC_MSG_RESULT($BUILD_CONFIG)
2521 AC_SUBST(BUILD_CONFIG)
2523 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2524 AC_MSG_CHECKING([for --enable-vtable-verify])
2525 AC_ARG_ENABLE(vtable-verify,
2526 [ --enable-vtable-verify Enable vtable verification feature ],
2527 [case "$enableval" in
2528 yes) enable_vtable_verify=yes ;;
2529 no) enable_vtable_verify=no ;;
2530 *) enable_vtable_verify=no;;
2532 [enable_vtable_verify=no])
2533 AC_MSG_RESULT($enable_vtable_verify)
2535 # Record target_configdirs and the configure arguments for target and
2536 # build configuration in Makefile.
2537 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2538 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2539 bootstrap_fixincludes=no
2541 # If we are building libgomp, bootstrap it.
2542 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2543 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2546 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2547 # or bootstrap-ubsan, bootstrap it.
2548 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2549 case "$BUILD_CONFIG" in
2550 *bootstrap-asan* | *bootstrap-ubsan* )
2551 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2552 bootstrap_fixincludes=yes
2557 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2558 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2559 test "$enable_vtable_verify" != no; then
2560 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2563 # Determine whether gdb needs tk/tcl or not.
2564 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2565 # and in that case we want gdb to be built without tk. Ugh!
2566 # In fact I believe gdb is the *only* package directly dependent on tk,
2567 # so we should be able to put the 'maybe's in unconditionally and
2568 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2569 # 100% sure that that's safe though.
2571 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2572 case "$enable_gdbtk" in
2576 GDB_TK="${gdb_tk}" ;;
2578 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2579 # distro. Eventually someone will fix this and move Insight, nee
2580 # gdbtk to a separate directory.
2581 if test -d ${srcdir}/gdb/gdbtk ; then
2588 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2589 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2591 # Strip out unwanted targets.
2593 # While at that, we remove Makefiles if we were started for recursive
2594 # configuration, so that the top-level Makefile reconfigures them,
2595 # like we used to do when configure itself was recursive.
2597 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2598 # but now we're fixing up the Makefile ourselves with the additional
2599 # commands passed to AC_CONFIG_FILES. Use separate variables
2600 # extrasub-{build,host,target} not because there is any reason to split
2601 # the substitutions up that way, but only to remain below the limit of
2602 # 99 commands in a script, for HP-UX sed.
2603 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2605 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2606 yes:yes:*\ gold\ *:*,c++,*) ;;
2607 yes:yes:*\ gold\ *:*)
2608 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2613 for module in ${build_configdirs} ; do
2614 if test -z "${no_recursion}" \
2615 && test -f ${build_subdir}/${module}/Makefile; then
2616 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2617 rm -f ${build_subdir}/${module}/Makefile
2619 extrasub_build="$extrasub_build
2620 /^@if build-$module\$/d
2621 /^@endif build-$module\$/d
2622 /^@if build-$module-$bootstrap_suffix\$/d
2623 /^@endif build-$module-$bootstrap_suffix\$/d"
2626 for module in ${configdirs} ; do
2627 if test -z "${no_recursion}"; then
2628 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2629 if test -f ${file}; then
2630 echo 1>&2 "*** removing ${file} to force reconfigure"
2635 case ${module},${bootstrap_fixincludes} in
2636 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2637 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2639 extrasub_host="$extrasub_host
2641 /^@endif $module\$/d
2642 /^@if $module-$host_bootstrap_suffix\$/d
2643 /^@endif $module-$host_bootstrap_suffix\$/d"
2646 for module in ${target_configdirs} ; do
2647 if test -z "${no_recursion}" \
2648 && test -f ${target_subdir}/${module}/Makefile; then
2649 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2650 rm -f ${target_subdir}/${module}/Makefile
2653 # We only bootstrap target libraries listed in bootstrap_target_libs.
2654 case $bootstrap_target_libs in
2655 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2656 *) target_bootstrap_suffix=no-bootstrap ;;
2659 extrasub_target="$extrasub_target
2660 /^@if target-$module\$/d
2661 /^@endif target-$module\$/d
2662 /^@if target-$module-$target_bootstrap_suffix\$/d
2663 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2666 # Do the final fixup along with target modules.
2667 extrasub_target="$extrasub_target
2668 /^@if /,/^@endif /d"
2670 # Create the serialization dependencies. This uses a temporary file.
2672 AC_ARG_ENABLE([serial-configure],
2673 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2674 [force sequential configuration of
2675 sub-packages for the host, target or build
2676 machine, or all sub-packages])])
2678 case ${enable_serial_configure} in
2680 enable_serial_build_configure=yes
2681 enable_serial_host_configure=yes
2682 enable_serial_target_configure=yes
2686 # These force 'configure's to be done one at a time, to avoid problems
2687 # with contention over a shared config.cache.
2689 echo '# serdep.tmp' > serdep.tmp
2691 test "x${enable_serial_build_configure}" = xyes &&
2692 for item in ${build_configdirs} ; do
2695 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2700 test "x${enable_serial_host_configure}" = xyes &&
2701 for item in ${configdirs} ; do
2704 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2709 test "x${enable_serial_target_configure}" = xyes &&
2710 for item in ${target_configdirs} ; do
2713 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2717 serialization_dependencies=serdep.tmp
2718 AC_SUBST_FILE(serialization_dependencies)
2720 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2721 # target, nonopt, and variable assignments. These are the ones we
2722 # might not want to pass down to subconfigures. The exception being
2723 # --cache-file=/dev/null, which is used to turn off the use of cache
2724 # files altogether, and which should be passed on to subconfigures.
2725 # Also strip program-prefix, program-suffix, and program-transform-name,
2726 # so that we can pass down a consistent program-transform-name.
2731 eval "set -- $ac_configure_args"
2734 if test X"$skip_next" = X"yes"; then
2738 if test X"$keep_next" = X"yes"; then
2741 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2743 baseargs="$baseargs '$ac_arg'"
2744 tbaseargs="$tbaseargs '$ac_arg'"
2749 # Handle separated arguments. Based on the logic generated by
2752 *=* | --config-cache | -C | -disable-* | --disable-* \
2753 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2754 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2755 | -with-* | --with-* | -without-* | --without-* | --x)
2769 --with-* | --without-*)
2770 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2774 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2777 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2786 mpc | mpfr | gmp | cloog)
2787 # If we're processing --with-$lib, --with-$lib-include or
2788 # --with-$lib-lib, for one of the libs above, and target is
2789 # different from host, don't pass the current argument to any
2790 # target library's configure.
2791 if test x$is_cross_compiler = xyes; then
2800 --cache-file=/dev/null | \
2801 -cache-file=/dev/null )
2802 # Handled here to avoid the test to skip args below.
2803 baseargs="$baseargs '$ac_arg'"
2804 tbaseargs="$tbaseargs '$ac_arg'"
2805 # Assert: $separate_arg should always be no.
2806 keep_next=$separate_arg
2822 -program-prefix* | \
2823 -program-suffix* | \
2824 -program-transform-name* )
2825 skip_next=$separate_arg
2829 # An option. Add it.
2832 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2834 baseargs="$baseargs '$ac_arg'"
2835 if test X"$skip_targ" = Xno; then
2836 tbaseargs="$tbaseargs '$ac_arg'"
2838 keep_next=$separate_arg
2841 # Either a variable assignment, or a nonopt (triplet). Don't
2842 # pass it down; let the Makefile handle this.
2847 # Remove the initial space we just introduced and, as these will be
2848 # expanded by make, quote '$'.
2849 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2851 # Add in --program-transform-name, after --program-prefix and
2852 # --program-suffix have been applied to it. Autoconf has already
2853 # doubled dollar signs and backslashes in program_transform_name; we want
2854 # the backslashes un-doubled, and then the entire thing wrapped in single
2855 # quotes, because this will be expanded first by make and then by the shell.
2856 # Also, because we want to override the logic in subdir configure scripts to
2857 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2858 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2859 ${program_transform_name}
2861 gcc_transform_name=`cat conftestsed.out`
2862 rm -f conftestsed.out
2863 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2864 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2865 if test "$silent" = yes; then
2866 baseargs="$baseargs --silent"
2867 tbaseargs="$tbaseargs --silent"
2869 baseargs="$baseargs --disable-option-checking"
2870 tbaseargs="$tbaseargs --disable-option-checking"
2872 # Record and document user additions to sub configure arguments.
2873 AC_ARG_VAR([build_configargs],
2874 [additional configure arguments for build directories])
2875 AC_ARG_VAR([host_configargs],
2876 [additional configure arguments for host directories])
2877 AC_ARG_VAR([target_configargs],
2878 [additional configure arguments for target directories])
2880 # For the build-side libraries, we just need to pretend we're native,
2881 # and not use the same cache file. Multilibs are neither needed nor
2883 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2885 # For host modules, accept cache file option, or specification as blank.
2886 case "${cache_file}" in
2888 cache_file_option="" ;;
2889 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2890 cache_file_option="--cache-file=${cache_file}" ;;
2892 cache_file_option="--cache-file=../${cache_file}" ;;
2895 # Host dirs don't like to share a cache file either, horribly enough.
2896 # This seems to be due to autoconf 2.5x stupidity.
2897 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2899 target_configargs="$target_configargs ${tbaseargs}"
2901 # Passing a --with-cross-host argument lets the target libraries know
2902 # whether they are being built with a cross-compiler or being built
2903 # native. However, it would be better to use other mechanisms to make the
2904 # sorts of decisions they want to make on this basis. Please consider
2905 # this option to be deprecated. FIXME.
2906 if test x${is_cross_compiler} = xyes ; then
2907 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2910 # Special user-friendly check for native x86_64-linux build, if
2911 # multilib is not explicitly enabled.
2912 case "$target:$have_compiler:$host:$target:$enable_multilib" in
2913 x86_64-*linux*:yes:$build:$build:)
2914 # Make sure we have a developement environment that handles 32-bit
2916 echo "int main () { return 0; }" > conftest.c
2917 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2918 if test $? = 0 ; then
2919 if test -s conftest || test -s conftest.exe ; then
2924 if test x${dev64} != xyes ; then
2925 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.])
2930 # Default to --enable-multilib.
2931 if test x${enable_multilib} = x ; then
2932 target_configargs="--enable-multilib ${target_configargs}"
2935 # Pass --with-newlib if appropriate. Note that target_configdirs has
2936 # changed from the earlier setting of with_newlib.
2937 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2938 target_configargs="--with-newlib ${target_configargs}"
2941 # Different target subdirs use different values of certain variables
2942 # (notably CXX). Worse, multilibs use *lots* of different values.
2943 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2944 # it doesn't automatically accept command-line overrides of them.
2945 # This means it's not safe for target subdirs to share a cache file,
2946 # which is disgusting, but there you have it. Hopefully this can be
2947 # fixed in future. It's still worthwhile to use a cache file for each
2948 # directory. I think.
2950 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2951 # We need to pass --target, as newer autoconf's requires consistency
2952 # for target_alias and gcc doesn't manage it consistently.
2953 target_configargs="--cache-file=./config.cache ${target_configargs}"
2956 case " $target_configdirs " in
2958 case " $target_configargs " in
2959 *" --with-newlib "*)
2962 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
2966 # If we're not building GCC, don't discard standard headers.
2967 if test -d ${srcdir}/gcc; then
2968 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2970 if test "${build}" != "${host}"; then
2971 # On Canadian crosses, CC_FOR_TARGET will have already been set
2972 # by `configure', so we won't have an opportunity to add -Bgcc/
2973 # to it. This is right: we don't want to search that directory
2974 # for binaries, but we want the header files in there, so add
2976 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2978 # Someone might think of using the pre-installed headers on
2979 # Canadian crosses, in case the installed compiler is not fully
2980 # compatible with the compiler being built. In this case, it
2981 # would be better to flag an error than risking having
2982 # incompatible object files being constructed. We can't
2983 # guarantee that an error will be flagged, but let's hope the
2984 # compiler will do it, when presented with incompatible header
2989 case "${target}-${is_cross_compiler}" in
2990 i[[3456789]]86-*-linux*-no)
2991 # Here host == target, so we don't need to build gcc,
2992 # so we don't want to discard standard headers.
2993 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2996 # If we're building newlib, use its generic headers last, but search
2997 # for any libc-related directories first (so make it the last -B
2999 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3001 # If we're building libgloss, find the startup file, simulator library
3002 # and linker script.
3003 case " $target_configdirs " in
3005 # Look for startup file, simulator library and maybe linker script.
3006 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3007 # Look for libnosys.a in case the target needs it.
3008 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3009 # Most targets have the linker script in the source directory.
3010 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3021 x86_64-*mingw* | *-w64-mingw*)
3022 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3023 # however, use a symlink named 'mingw' in ${prefix} .
3024 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3027 # MinGW can't be handled as Cygwin above since it does not use newlib.
3028 FLAGS_FOR_TARGET=$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'
3032 # Allow the user to override the flags for
3033 # our build compiler if desired.
3034 if test x"${build}" = x"${host}" ; then
3035 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3036 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3037 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3040 # On Canadian crosses, we'll be searching the right directories for
3041 # the previously-installed cross compiler, so don't bother to add
3042 # flags for directories within the install tree of the compiler
3043 # being built; programs in there won't even run.
3044 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3045 # Search for pre-installed headers if nothing else fits.
3046 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3049 if test "x${use_gnu_ld}" = x &&
3050 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3051 # Arrange for us to find uninstalled linker scripts.
3052 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3055 # Search for other target-specific linker scripts and such.
3058 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3062 # Makefile fragments.
3063 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3065 eval fragval=\$$frag
3066 if test $fragval != /dev/null; then
3067 eval $frag=${srcdir}/$fragval
3070 AC_SUBST_FILE(host_makefile_frag)
3071 AC_SUBST_FILE(target_makefile_frag)
3072 AC_SUBST_FILE(alphaieee_frag)
3073 AC_SUBST_FILE(ospace_frag)
3075 # Miscellanea: directories, flags, etc.
3076 AC_SUBST(RPATH_ENVVAR)
3077 AC_SUBST(GCC_SHLIB_SUBDIR)
3079 AC_SUBST(build_tooldir)
3080 AC_SUBST(CONFIGURE_GDB_TK)
3082 AC_SUBST(INSTALL_GDB_TK)
3084 # Build module lists & subconfigure args.
3085 AC_SUBST(build_configargs)
3086 AC_SUBST(build_configdirs)
3088 # Host module lists & subconfigure args.
3089 AC_SUBST(host_configargs)
3090 AC_SUBST(configdirs)
3091 AC_SUBST(target_configdirs)
3093 # Target module lists & subconfigure args.
3094 AC_SUBST(target_configargs)
3098 AC_SUBST(AR_FOR_BUILD)
3099 AC_SUBST(AS_FOR_BUILD)
3100 AC_SUBST(CC_FOR_BUILD)
3101 AC_SUBST(CFLAGS_FOR_BUILD)
3102 AC_SUBST(CXXFLAGS_FOR_BUILD)
3103 AC_SUBST(CXX_FOR_BUILD)
3104 AC_SUBST(DLLTOOL_FOR_BUILD)
3105 AC_SUBST(GCJ_FOR_BUILD)
3106 AC_SUBST(GFORTRAN_FOR_BUILD)
3107 AC_SUBST(GOC_FOR_BUILD)
3108 AC_SUBST(LDFLAGS_FOR_BUILD)
3109 AC_SUBST(LD_FOR_BUILD)
3110 AC_SUBST(NM_FOR_BUILD)
3111 AC_SUBST(RANLIB_FOR_BUILD)
3112 AC_SUBST(WINDMC_FOR_BUILD)
3113 AC_SUBST(WINDRES_FOR_BUILD)
3115 # Generate default definitions for YACC, M4, LEX and other programs that run
3116 # on the build machine. These are used if the Makefile can't locate these
3117 # programs in objdir.
3118 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3120 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3121 case " $build_configdirs " in
3122 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3125 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3126 case " $build_configdirs " in
3127 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3130 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3131 case " $build_configdirs " in
3132 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3135 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3136 case " $build_configdirs " in
3137 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3138 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3141 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3142 case " $build_configdirs " in
3143 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3146 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3147 case " $build_configdirs " in
3148 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3151 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3152 # higher, else we use the "missing" dummy.
3153 if ${MAKEINFO} --version \
3154 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3157 MAKEINFO="$MISSING makeinfo"
3163 # FIXME: expect and dejagnu may become build tools?
3165 AC_CHECK_PROGS(EXPECT, expect, expect)
3166 case " $configdirs " in
3168 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3172 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3173 case " $configdirs " in
3175 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3181 NCN_STRICT_CHECK_TOOLS(AR, ar)
3182 NCN_STRICT_CHECK_TOOLS(AS, as)
3183 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3184 NCN_STRICT_CHECK_TOOLS(LD, ld)
3185 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3186 NCN_STRICT_CHECK_TOOLS(NM, nm)
3187 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3188 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3189 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3190 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3191 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3192 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3193 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3200 AC_ARG_WITH([build-time-tools],
3201 [AS_HELP_STRING([--with-build-time-tools=PATH],
3202 [use given path to find target tools during the build])],
3203 [case x"$withval" in
3206 with_build_time_tools=
3207 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3210 [with_build_time_tools=])
3212 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3213 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3214 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3215 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3216 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3217 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3219 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3220 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3221 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3222 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3223 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3224 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3225 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3226 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3227 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3228 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3229 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3230 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3232 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3234 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3235 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3236 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3237 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3238 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3239 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3241 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3242 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3244 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3245 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3246 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3247 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3248 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3249 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3250 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3251 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3252 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3253 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3254 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3255 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3256 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3257 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3258 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3259 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3260 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3262 AC_SUBST(FLAGS_FOR_TARGET)
3263 AC_SUBST(RAW_CXX_FOR_TARGET)
3265 # Certain tools may need extra flags.
3266 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3267 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3268 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3270 # When building target libraries, except in a Canadian cross, we use
3271 # the same toolchain as the compiler we just built.
3272 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3273 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3274 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3275 if test $host = $build; then
3276 case " $configdirs " in
3278 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3279 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3280 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3285 AC_SUBST(COMPILER_AS_FOR_TARGET)
3286 AC_SUBST(COMPILER_LD_FOR_TARGET)
3287 AC_SUBST(COMPILER_NM_FOR_TARGET)
3289 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3290 AC_ARG_ENABLE(maintainer-mode,
3291 [AS_HELP_STRING([--enable-maintainer-mode],
3292 [enable make rules and dependencies not useful
3293 (and sometimes confusing) to the casual installer])],
3294 USE_MAINTAINER_MODE=$enableval,
3295 USE_MAINTAINER_MODE=no)
3296 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3297 AC_SUBST(MAINTAINER_MODE_TRUE)
3298 AC_SUBST(MAINTAINER_MODE_FALSE)
3299 if test "$USE_MAINTAINER_MODE" = yes; then
3300 MAINTAINER_MODE_TRUE=
3301 MAINTAINER_MODE_FALSE='#'
3303 MAINTAINER_MODE_TRUE='#'
3304 MAINTAINER_MODE_FALSE=
3306 MAINT=$MAINTAINER_MODE_TRUE
3309 # ---------------------
3310 # GCC bootstrap support
3311 # ---------------------
3313 # Stage specific cflags for build.
3318 yes) stage1_cflags="-g -Wa,-J" ;;
3319 *) stage1_cflags="-g -J" ;;
3323 AC_SUBST(stage1_cflags)
3325 # Enable --enable-checking in stage1 of the compiler.
3326 AC_ARG_ENABLE(stage1-checking,
3327 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3328 [choose additional checking for stage1 of the compiler])],
3329 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3330 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3331 stage1_checking=--enable-checking=yes,types
3333 stage1_checking=--enable-checking=$enable_checking,types
3335 AC_SUBST(stage1_checking)
3337 # Enable -Werror in bootstrap stage2 and later.
3338 AC_ARG_ENABLE(werror,
3339 [AS_HELP_STRING([--enable-werror],
3340 [enable -Werror in bootstrap stage2 and later])], [],
3341 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3346 case ${enable_werror} in
3347 yes) stage2_werror_flag="--enable-werror-always" ;;
3348 *) stage2_werror_flag="" ;;
3350 AC_SUBST(stage2_werror_flag)
3352 # Enable --enable-host-shared.
3353 AC_ARG_ENABLE(host-shared,
3354 [AS_HELP_STRING([--enable-host-shared],
3355 [build host code as shared libraries])],
3356 [host_shared=$enableval], [host_shared=no])
3357 AC_SUBST(host_shared)
3359 # Specify what files to not compare during bootstrap.
3361 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3363 hppa*64*-*-hpux*) ;;
3364 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3365 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3367 AC_SUBST(compare_exclusions)
3369 AC_CONFIG_FILES([Makefile],
3370 [sed "$extrasub_build" Makefile |
3371 sed "$extrasub_host" |
3372 sed "$extrasub_target" > mf$$
3373 mv -f mf$$ Makefile],
3374 [extrasub_build="$extrasub_build"
3375 extrasub_host="$extrasub_host"
3376 extrasub_target="$extrasub_target"])
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