This copy of GCR_Macros 3.4 is a modified version of the original.

commit c39fdece33041c8028acc6cb90455019c35dae17
CompileGResources: Fix OPTIONS and *_ALL args not working

Tag: 3.4

The following changes have been made to the original:

- Only the CMake modules are included.

To obtain the original GCR_Macros 3.4, visit:
https://github.com/Makman2/GCR_CMake
