Small doc

diff --git a/README_CMake b/README_CMake
new file mode 100644 (file)
index 0000000..b8e0180
--- /dev/null
+++ b/README_CMake
@@ -0,0 +1,7 @@
+
+You have to pass in the cmake step some parameter to the script
+otherwise the CMakeLists.txt in the subdirectories are not created.
+
+   cmake <path_to_source> -DGENERATE_FILES=TRUE
+
+   is the correct command.