CheckTypeSize: ppc64 not recognized
https://gitlab.kitware.com/cmake/cmake/blob/v3.16.4/Modules/CheckTypeSize.c.in#L10 should use __PPC64__
instead as does https://gitlab.kitware.com/cmake/cmake/blob/v3.16.4/Modules/CMakePlatformId.h.in#L188
Oh and as __ppc__
is checked before the __ppc64__
is not even reached
Edited by Brad King