add 2 helper macros to deal with libtool madness

SVN-Revision: 8457

include/package.mk

@@ -104,6 +104,18 @@ endif
   $(BuildIPKG)
 endef
 
+# prevent libtool from setting rpath when linking
+define Build/Fix/libtool/rpath
+	find $(PKG_BUILD_DIR) -name 'libtool' | xargs \
+		$(SED) 's,^hardcode_libdir_flag_spec=.*,hardcode_libdir_flag_spec=" -D__LIBTOOL_IS_A_FOOL__ ",g'
+endef
+
+# prevent libtool from linking against host development libraries
+define Build/Fix/libtool/libdir
+	find $(PKG_BUILD_DIR) -name '*.la' | xargs \
+		$(SED) "s,^libdir='/usr/lib',libdir='$(STAGING_DIR)/usr/lib',g"
+endef
+
 define Build/Prepare
   $(call Build/Prepare/Default,)
 endef