tree ecd30c21ddcad681fe482c9c2d55f8bc9b882c3e
parent b1041fc3d959dae2cdcb308ae559b47aa580d545
author Matt Clarkson <mattyclarkson@gmail.com> 1408097313 +0100
committer Matt Clarkson <mattyclarkson@gmail.com> 1408097362 +0100

Do not use CMake CONCAT

CONCAT was added quite late in the CMake release cycles so lets use `set()`
instead which has been around _forever_...