Fix compiler selection and disable compact unwind. Resolves #30
Fix compiler selection and disable compact unwind. Resolves #30

Linking libffi with compact unwind currently produces a warning. Disabling until _ffi_call_unix64 is fixed.

LWJGL-CI/lwjgl3,LWJGL-CI/lwjgl3,code-disaster/lwjgl3,LWJGL/lwjgl3,code-disaster/lwjgl3,LWJGL-CI/lwjgl3,TheMrMilchmann/lwjgl3,code-disaster/lwjgl3,code-disaster/lwjgl3,bsmr-java/lwjgl3,bsmr-java/lwjgl3,TheMrMilchmann/lwjgl3,bsmr-java/lwjgl3,TheMrMilchmann/lwjgl3,LWJGL/lwjgl3,LWJGL/lwjgl3,LWJGL-CI/lwjgl3,LWJGL/lwjgl3,TheMrMilchmann/lwjgl3,bsmr-java/lwjgl3