boring-sys: add tvOS target support

.github/workflows/ci.yml

@@ -100,6 +100,8 @@ jobs:
         - aarch64-ios
         - aarch64-ios-sim
         - x86_64-ios
+        - aarch64-tvos
+        - aarch64-tvos-sim
         - i686-linux
         - arm-linux
         - aarch64-linux
@@ -159,6 +161,18 @@ jobs:
           check_only: true
           custom_env:
             IPHONEOS_DEPLOYMENT_TARGET: 17.5
+        - thing: aarch64-tvos
+          target: aarch64-apple-tvos
+          os: macos-latest
+          check_only: true
+          custom_env:
+            TVOS_DEPLOYMENT_TARGET: 17.5
+        - thing: aarch64-tvos-sim
+          target: aarch64-apple-tvos-sim
+          os: macos-latest
+          check_only: true
+          custom_env:
+            TVOS_DEPLOYMENT_TARGET: 17.5
         - thing: i686-linux
           target: i686-unknown-linux-gnu
           rust: stable

boring-sys/build/main.rs

@@ -17,7 +17,7 @@ fn should_use_cmake_cross_compilation(config: &Config) -> bool {
         return false;
     }
     match config.target_os.as_str() {
-        "macos" | "ios" => {
+        "macos" | "ios" | "tvos" => {
             // Cross-compiling for Apple platforms on macOS is supported using the normal Xcode
             // tools, along with the settings from `cmake_params_apple`.
             !config.host.ends_with("-darwin")
@@ -69,6 +69,31 @@ const CMAKE_PARAMS_APPLE: &[(&str, &[(&str, &str)])] = &[
             ("CMAKE_MACOSX_BUNDLE", "OFF"),
         ],
     ),
+    // tvOS
+    (
+        "aarch64-apple-tvos",
+        &[
+            ("CMAKE_OSX_ARCHITECTURES", "arm64"),
+            ("CMAKE_OSX_SYSROOT", "appletvos"),
+            ("CMAKE_MACOSX_BUNDLE", "OFF"),
+        ],
+    ),
+    (
+        "aarch64-apple-tvos-sim",
+        &[
+            ("CMAKE_OSX_ARCHITECTURES", "arm64"),
+            ("CMAKE_OSX_SYSROOT", "appletvsimulator"),
+            ("CMAKE_MACOSX_BUNDLE", "OFF"),
+        ],
+    ),
+    (
+        "x86_64-apple-tvos",
+        &[
+            ("CMAKE_OSX_ARCHITECTURES", "x86_64"),
+            ("CMAKE_OSX_SYSROOT", "appletvsimulator"),
+            ("CMAKE_MACOSX_BUNDLE", "OFF"),
+        ],
+    ),
     // macOS
     (
         "aarch64-apple-darwin",
@@ -308,6 +333,15 @@ fn get_boringssl_cmake_config(config: &Config) -> cmake::Config {
             boringssl_cmake.cflag(&cflag);
         }
 
+        "tvos" => {
+            // Unlike the `ios` arm above, no bitcode flag: bitcode was deprecated in
+            // Xcode 14 and the tvOS targets postdate it, so the SDK never wants it.
+            for (name, value) in cmake_params_apple(config) {
+                eprintln!("tvos arch={} add {}={}", config.target_arch, name, value);
+                boringssl_cmake.define(name, value);
+            }
+        }
+
         "windows" if config.host.contains("windows") => {
             // BoringSSL's CMakeLists.txt isn't set up for cross-compiling using Visual Studio.
             // Disable assembly support so that it at least builds.
@@ -391,7 +425,7 @@ fn get_extra_clang_args_for_bindgen(config: &Config) -> Vec<String> {
 
     // Add platform-specific parameters.
     match &*config.target_os {
-        "ios" | "macos" => {
+        "ios" | "macos" | "tvos" => {
             // When cross-compiling for Apple targets, tell bindgen to use SDK sysroot,
             // and *don't* use system headers of the host macOS.
             let sdk = get_apple_sdk_name(config);
@@ -589,7 +623,7 @@ fn get_cpp_runtime_lib(config: &Config) -> Option<String> {
     }
 
     match &*config.target_os {
-        "macos" | "ios" | "freebsd" | "openbsd" | "android" => Some("c++".into()),
+        "macos" | "ios" | "tvos" | "freebsd" | "openbsd" | "android" => Some("c++".into()),
         _ if config.unix || config.target_env == "gnu" => Some("stdc++".into()),
         // TODO(rmehra): figure out how to do this for windows
         _ => None,