Add apple tvos support

build.rs

@@ -279,7 +279,7 @@ const LINUX_ABI: &[&str] = &[
 
 /// Operating systems that have the same ABI as macOS on every architecture
 /// mentioned in `ASM_TARGETS`.
-const MACOS_ABI: &[&str] = &["ios", "macos"];
+const MACOS_ABI: &[&str] = &["ios", "macos", "tvos"];
 
 const WINDOWS: &str = "windows";
 

src/ec/curve25519/x25519.rs

@@ -64,7 +64,7 @@ fn x25519_public_from_private(
     let private_key: &[u8; SCALAR_LEN] = private_key.bytes_less_safe().try_into()?;
     let private_key = ops::MaskedScalar::from_bytes_masked(*private_key);
 
-    #[cfg(all(not(target_os = "ios"), target_arch = "arm"))]
+    #[cfg(all(not(target_os = "ios"), not(target_os = "tvos"), target_arch = "arm"))]
     {
         if cpu::arm::NEON.available(cpu_features) {
             static MONTGOMERY_BASE_POINT: [u8; 32] = [
@@ -100,7 +100,7 @@ fn x25519_ecdh(
     let peer_public_key: &[u8; PUBLIC_KEY_LEN] = peer_public_key.as_slice_less_safe().try_into()?;
 
     #[cfg_attr(
-        not(all(not(target_os = "ios"), target_arch = "arm")),
+        not(all(not(target_os = "ios"), not(target_os = "tvos"), target_arch = "arm")),
         allow(unused_variables)
     )]
     fn scalar_mult(
@@ -109,7 +109,7 @@ fn x25519_ecdh(
         point: &ops::EncodedPoint,
         cpu_features: cpu::Features,
     ) {
-        #[cfg(all(not(target_os = "ios"), target_arch = "arm"))]
+        #[cfg(all(not(target_os = "ios"), not(target_os = "tvos"), target_arch = "arm"))]
         {
             if cpu::arm::NEON.available(cpu_features) {
                 return x25519_neon(out, scalar, point);
@@ -144,7 +144,7 @@ fn x25519_ecdh(
     Ok(())
 }
 
-#[cfg(all(not(target_os = "ios"), target_arch = "arm"))]
+#[cfg(all(not(target_os = "ios"), not(target_os = "tvos"), target_arch = "arm"))]
 fn x25519_neon(out: &mut ops::EncodedPoint, scalar: &ops::MaskedScalar, point: &ops::EncodedPoint) {
     prefixed_extern! {
         fn x25519_NEON(

src/rand.rs

@@ -131,6 +131,7 @@ impl crate::sealed::Sealed for SystemRandom {}
     target_os = "haiku",
     target_os = "illumos",
     target_os = "ios",
+    target_os = "tvos",
     target_os = "linux",
     target_os = "macos",
     target_os = "netbsd",