machineprime: src/lib.rs
rustc -C opt-level="3" src/lib.rs -o libprime.so --crate-type cdylib --target x86_64-unknown-linux-gnu
strip libprime.so
small: src/lib.rs
rustc -C opt-level="3" src/lib.rs -o libprime.so --crate-type cdylib --target x86_64-unknown-linux-gnu --cfg 'feature="small"'
strip libprime.so
tiny: src/lib.rs
rustc -C opt-level="3" src/lib.rs -o libprime.so --crate-type cdylib --target x86_64-unknown-linux-gnu --cfg 'feature="tiny"'
strip libprime.so
install: libprime.so
install libprime.so /lib/libprime.so
install-local: libprime.so
install libprime.so /usr/local/lib/libprime.so