Specify the Qt version which we require.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9dcb14f33a31f0158d30826b0527a21f7f6146ec..27778573ea23f5019de33a2c2044edf87013bf68 100755 (executable)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,7 @@ set (CMAKE_USE_PYTHON_VERSION 2.6)
 
 find_package (PythonInterp REQUIRED)
 find_package (OpenGL REQUIRED)
-find_package (Qt4 COMPONENTS QtCore QtGui QtWebKit)
+find_package (Qt4 4.7 COMPONENTS QtCore QtGui QtWebKit)
 find_package (QJSON)
 
 if (NOT WIN32)