diff --git a/Makefile b/Makefile
index 4717c52..2981875 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,11 @@
 COMMAND=. ~/salome/SALOME-MECA-2014.1-LGPL/salome_prerequisites.sh;~/salome/SALOME-MECA-2014.1-LGPL/tools/Code_aster_frontend_20141/bin/codeaster-run
 
-all: regular d1 d2 d3 d4 d5 d6
+all: cc_s0
+
+calcAll: regular d1 d2 d3 d4 d5 d6
+
+cc_s0:
+	git checkout cc_s0; calcAll
 
 regular:
 	$(COMMAND) regular.export