* regex.c (bzero) [!_LIBC]: Cast the call to memcpy to (void).

[deliverable/binutils-gdb.git] / configure

diff --git a/configure b/configure
index d62285c9067ae9ef7232a2b7993a606549645d60..57be42435a9d3221e21c63d85e6c967e8629c9c1 100755 (executable)
--- a/configure
+++ b/configure
@@ -2772,10 +2772,10 @@ target_libraries="target-libgcc \
                target-libgloss \
                target-newlib \
                target-libgomp \
+               target-libcilkrts \
                target-libatomic \
                target-libitm \
                target-libstdc++-v3 \
-               target-libmudflap \
                target-libsanitizer \
                target-libvtv \
                target-libssp \
@@ -3128,22 +3128,6 @@ if test x$enable_static_libjava != xyes ; then
 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.
@@ -3181,6 +3165,25 @@ $as_echo "yes" >&6; }
     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
@@ -3812,7 +3815,7 @@ case "${target}" in
   tic6x-*-*)
     noconfigdirs="$noconfigdirs sim"
     ;;
-  tilepro-*-* | tilegx-*-*)
+  tilepro*-*-* | tilegx*-*-*)
     noconfigdirs="$noconfigdirs sim"
     ;;
   v810-*-*)
@@ -6627,7 +6630,7 @@ esac
 case ,${enable_languages}, in
   *,c++,*) ;;
   *)
-    noconfigdirs="$noconfigdirs target-libitm target-libsanitizer target-libvtv"
+    noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
     ;;
 esac
 
@@ -7497,6 +7500,26 @@ if test x${is_cross_compiler} = xyes ; then
   target_configargs="--with-cross-host=${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}"