CMake code rely on cmList class for CMake lists management (part. 2)
diff --git a/Source/cmIDEOptions.cxx b/Source/cmIDEOptions.cxx
index 9468d4a..f94faf8 100644
--- a/Source/cmIDEOptions.cxx
+++ b/Source/cmIDEOptions.cxx
@@ -12,6 +12,7 @@
 #include "cmsys/String.h"
 
 #include "cmIDEFlagTable.h"
+#include "cmList.h"
 #include "cmStringAlgorithms.h"
 
 cmIDEOptions::cmIDEOptions()