--- ocaml-bitstring-2.0.3/Makefile.in.orig	2013-04-04 17:42:45.000000000 +0200
+++ ocaml-bitstring-2.0.3/Makefile.in	2013-04-04 17:43:06.000000000 +0200
@@ -123,7 +123,7 @@
 
 byteswap.h: byteswap.in.h
 	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
-	  cat $(srcdir)/byteswap.in.h; \
+	  cat byteswap.in.h; \
 	} > $@-t
 	mv -f $@-t $@