Use -Bsymbolic for linking all shared objects.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=10132 .

Also remove comment about SONAME, as SONAME only applies to shared libraries.

bin/mklib

@@ -208,8 +208,13 @@ case $ARCH in
 	if [ $NOPREFIX = 1 ] ; then
 	    # No "lib" or ".so" part
 	    echo "mklib: Making" $ARCH "shared library: " ${LIBNAME}
-	    #OPTS="-shared -Wl,-soname,${LIBNAME}"  # soname???
-	    OPTS="-shared"
+	    case $ARCH in 'Linux' | 'GNU' | GNU/*)
+		OPTS="-Xlinker -Bsymbolic -shared"
+	    ;;
+	    *)
+		OPTS="-shared"
+	    ;;
+	    esac
 
 	    # Check if objects are 32-bit and we're running in 64-bit
 	    # environment.  If so, pass -m32 flag to linker.