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-rw-r--r--CMakeLists.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 02ca1f5f28..a6f7b1eb44 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
PROJECT(CMake)
-CMAKE_MINIMUM_REQUIRED(VERSION 2.0)
+CMAKE_MINIMUM_REQUIRED(VERSION 2.4) # Need 2.4 for ADD_SUBDIRECTORY
MARK_AS_ADVANCED(CMAKE_BACKWARDS_COMPATIBILITY)