Modifications needed to compile wasm64-wasi

Author: john-sharratt

src/lib.rs

@@ -36,7 +36,7 @@ pub enum Stream {
 }
 
 /// returns true if this is a tty
-#[cfg(all(unix, not(target_arch = "wasm32")))]
+#[cfg(all(unix, not(any(target_arch = "wasm32", target_arch = "wasm64"))))]
 pub fn is(stream: Stream) -> bool {
     extern crate libc;
 
@@ -154,7 +154,7 @@ unsafe fn msys_tty_on(fd: DWORD) -> bool {
 }
 
 /// returns true if this is a tty
-#[cfg(any(target_arch = "wasm32", target_env = "sgx"))]
+#[cfg(any(target_arch = "wasm32", target_arch = "wasm64", target_env = "sgx"))]
 pub fn is(_stream: Stream) -> bool {
     false
 }