Simplify set_target_properties implementation

[schuhschuh]

Issue by schuhschuh
Saturday Oct 17, 2015 at 00:38 GMT
Originally opened as cmake-basis/legacy#495

---

Now that this CMake bug is fixed, the set_target_properties function defined in BASIS's ImportTools.cmake module can be simplified and does further no longer require a list of known property names! Old CMake versions should still be supported by falling back to the current implementation.