$NetBSD$

DESTDIR support.

--- config/Makefile.orig	2000-02-16 18:36:57.000000000 +0300
+++ config/Makefile	2008-04-27 22:39:21.000000000 +0400
@@ -4,7 +4,7 @@
 	@echo "Run 'sh autoconf' or 'sh autoconf gcc' or ..."
 
 install:
-	$(INSTALL_PROGRAM) m.h s.h $(INCDIR)
+	$(INSTALL_DATA) m.h s.h $(DESTDIR)$(INCDIR)
 
 clean scratch:
 	rm -f m.h s.h
