$NetBSD: patch-am,v 1.1 2008/09/05 02:07:51 dholland Exp $

destdir support.

--- runtime/Makefile~	1997-06-10 08:24:35.000000000 -0400
+++ runtime/Makefile	2008-09-04 21:29:09.000000000 -0400
@@ -50,17 +50,17 @@ clean:
 	rm -f primitives prims.c opnames.h jumptbl.h
 
 install:
-	cp camlrun $(BINDIR)
-	strip $(BINDIR)/camlrun
-	cp libcaml.a $(LIBDIR)
-	if $(RANLIBTEST); then cd $(LIBDIR); $(RANLIB) libcaml.a; else true; fi
-	cp mlvalues.h alloc.h misc.h $(LIBDIR)
+	cp camlrun $(DESTDIR)$(BINDIR)
+	strip $(DESTDIR)$(BINDIR)/camlrun
+	cp libcaml.a $(DESTDIR)$(LIBDIR)
+	if $(RANLIBTEST); then cd $(DESTDIR)$(LIBDIR); $(RANLIB) libcaml.a; else true; fi
+	cp mlvalues.h alloc.h misc.h $(DESTDIR)$(LIBDIR)
 	sed -e '/#include ".*\/m.h/r ../../config/m.h' \
             -e '/#include ".*\/s.h/r ../../config/s.h' \
-            -e '/#include "/d' config.h > $(LIBDIR)/config.h
+            -e '/#include "/d' config.h > $(DESTDIR)$(LIBDIR)/config.h
 	sed -e '/#include ".*gc\.h"/d' \
 	    -e '/#define Alloc_small/,/^}/d' \
-	    -e '/Modify/,/^}/d' memory.h > $(LIBDIR)/memory.h
+	    -e '/Modify/,/^}/d' memory.h > $(DESTDIR)$(LIBDIR)/memory.h
 
 primitives : $(PRIMS)
 	sed -n -e '/\/\* ML \*\//s/.* \([a-z0-9_][a-z0-9_]*\) *(.*/\1/p' \