diff --git a/Makefile b/Makefile
index 1f90b23b177abcd8ec8ef755197d9e1a91810d3c..847d7fa12cc0c99397a11aae646b93bf9a752523 100644
--- a/Makefile
+++ b/Makefile
@@ -136,5 +136,13 @@ p690::
 	@if test "x${OBJECT_MODE}" != x64 ; then export OBJECT_MODE=64; fi
 	@echo "OBJECT_MODE should be 64, is ${OBJECT_MODE}"
 
+.PHONY: bc_20090710
+bc_20090710::
+	cp -f define_bc.20090710.f90 define_bc.f90 
+
+.PHONY: bc_18.06.2009
+bc_18.06.2009::
+	cp -f define_bc.18.06.2009.f90 define_bc.f90 
+
 # end of file
 
diff --git a/input.txt b/input.txt.DaveWhipp
similarity index 100%
rename from input.txt
rename to input.txt.DaveWhipp