target-libgloss \
target-newlib \
target-libgomp \
+ target-libcilkrts \
target-libatomic \
target-libitm \
target-libstdc++-v3 \
- target-libmudflap \
target-libsanitizer \
target-libvtv \
target-libssp \
fi
-# Disable libmudflap on some systems.
-if test x$enable_libmudflap = x ; then
- case "${target}" in
- *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
- # Enable libmudflap by default in GNU and friends.
- ;;
- *-*-freebsd*)
- # Enable libmudflap by default in FreeBSD.
- ;;
- *)
- # Disable it by default everywhere else.
- noconfigdirs="$noconfigdirs target-libmudflap"
- ;;
- esac
-fi
-
# Disable libgomp on non POSIX hosted systems.
if test x$enable_libgomp = x ; then
# Enable libgomp by default on hosted POSIX systems.
fi
fi
+# Disable libcilkrts on unsupported systems.
+if test -d ${srcdir}/libcilkrts; then
+ if test x$enable_libcilkrts = x; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libcilkrts support" >&5
+$as_echo_n "checking for libcilkrts support... " >&6; }
+ if (srcdir=${srcdir}/libcilkrts; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ noconfigdirs="$noconfigdirs target-libcilkrts"
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ fi
+ fi
+fi
+
# Disable libitm on unsupported systems.
if test -d ${srcdir}/libitm; then
if test x$enable_libitm = x; then
case ,${enable_languages}, in
*,c++,*) ;;
*)
- noconfigdirs="$noconfigdirs target-libitm target-libsanitizer target-libvtv"
+ noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
;;
esac
target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
fi
+# Special user-friendly check for native x86_64-linux build, if
+# multilib is not explicitly enabled.
+case "$target:$have_compiler:$host:$target:$enable_multilib" in
+ x86_64-*linux*:yes:$build:$build:)
+ # Make sure we have a developement environment that handles 32-bit
+ dev64=no
+ echo "int main () { return 0; }" > conftest.c
+ ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
+ if test $? = 0 ; then
+ if test -s conftest || test -s conftest.exe ; then
+ dev64=yes
+ fi
+ fi
+ rm -f conftest*
+ if test x${dev64} != xyes ; then
+ as_fn_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." "$LINENO" 5
+ fi
+ ;;
+esac
+
# Default to --enable-multilib.
if test x${enable_multilib} = x ; then
target_configargs="--enable-multilib ${target_configargs}"