Is the following a syntax error? if (NOT(MSVC AND (MSVC_VERSION EQUAL 1600))) ... I'm using cmake from git master as of today and it gives me a warning CMake Warning (dev) in .../CMakeLists.txt: Syntax Warning in cmake code at /.../CMakeLists.txt:309:10 -- Clinton Stimpson Elemental Technologies, Inc Computational Simulation Software, LLC www.csimsoft.com