gentoo-overlay/net-wireless/crda/files/crda-ldflags.patch

--- /Makefile
+++ /Makefile
@@ -115,7 +115,7 @@
 
 $(LIBREG): regdb.h reglib.h reglib.c
 	$(NQ) '  CC  ' $@
-	$(Q)$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ -shared -Wl,-soname,$(LIBREG) $^ $(filter-out -lreg,$(LDLIBS))
+	$(Q)$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $@ -shared -Wl,-soname,$(LIBREG) $^ $(filter-out -lreg,$(LDLIBS))
 
 install-libreg-headers:
 	$(NQ) '  INSTALL  libreg-headers'