Don't do libffi detection if cross-compiling for win32.
Don't do libffi detection if cross-compiling for win32.
yghannam/ffi,ferventcoder/ffi,mvz/ffi,tduehr/ffi,yghannam/ffi,mvz/ffi,majioa/ffi,sparkchaser/ffi,tduehr/ffi,ferventcoder/ffi,mvz/ffi,yghannam/ffi,ffi/ffi,tduehr/ffi,ffi/ffi,ferventcoder/ffi,ferventcoder/ffi,yghannam/ffi,ffi/ffi,majioa/ffi,sparkchaser/ffi,sparkchaser/ffi,MikaelSmith/ffi,sparkchaser/ffi,yghannam/ffi,majioa/ffi,MikaelSmith/ffi,MikaelSmith/ffi,MikaelSmith/ffi,majioa/ffi,tduehr/ffi,mvz/ffi