specify what version of cmake is required

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 851ed752513309a34a16674285a428725862eafd..b3d8fb2ffeb81cbc7a400033ad39216a0feb49d6 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,8 @@
 PROJECT(mussa)
 
 ENABLE_TESTING()
+CMAKE_MINIMUM_REQUIRED(VERSION 2.2)
+
 # try to include our cmake modules
 SET (CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/makelib)