+LIBS += $(call ldflags_for_lib, libpcre, pcre)
+
+# Please test if -Wl,--as-needed works on your platform and send me a patch.
+# it is known not to work on Darwin (Mac OS X)
+ifneq (,$(filter Linux GNU GNU/%, $(UNAME)))
+LDFLAGS += -Wl,--as-needed
+endif