allow other ffi integrations #859

Job	Run time
Build (x86_64-pc-windows-msvc)	6m 6s
Build (aarch64-pc-windows-msvc)	5m 12s
Build (x86_64-apple-darwin)	9m 47s
Build (aarch64-apple-darwin)	9m 51s
Build (aarch64-apple-ios)	10m 13s
Build (aarch64-apple-ios-sim)	9m 28s
Build (x86_64-unknown-linux-gnu)	3m 56s
Build (aarch64-unknown-linux-gnu)	5m 35s
Build (aarch64-linux-android)	4m 6s
Build (armv7-linux-androideabi)	4m 0s
Build (x86_64-linux-android)	4m 21s
	1h 12m 35s

Provide feedback