crosstool/BUILD.toolchains

package(default_visibility = ["//visibility:public"])

# Target constraints for each arch.
# TODO(apple-rules): Rename osx constraint to macOS.
OSX_TOOLS_CONSTRAINTS = {
    "darwin_arm64": [
        "@platforms//os:osx",
        "@platforms//cpu:arm64",
    ],
    "darwin_arm64e": [
        "@platforms//os:osx",
        "@platforms//cpu:arm64",
    ],
    "darwin_x86_64": [
        "@platforms//os:osx",
        "@platforms//cpu:x86_64",
    ],
    "ios_arm64": [
        "@platforms//os:ios",
        "@platforms//cpu:arm64",
        "@build_bazel_apple_support//constraints:device",
    ],
    "ios_arm64e": [
        "@platforms//os:ios",
        "@platforms//cpu:arm64",
    ],
    "ios_armv7": [
        "@platforms//os:ios",
        "@platforms//cpu:armv7",
    ],
    "ios_i386": [
        "@platforms//os:ios",
        "@platforms//cpu:i386",
    ],
    "ios_x86_64": [
        "@platforms//os:ios",
        "@platforms//cpu:x86_64",
    ],
    "ios_sim_arm64": [
        "@platforms//os:ios",
        "@platforms//cpu:arm64",
        "@build_bazel_apple_support//constraints:simulator",
    ],
    "tvos_arm64": [
        "@platforms//os:tvos",
        "@platforms//cpu:arm64",
        "@build_bazel_apple_support//constraints:device",
    ],
    "tvos_x86_64": [
        "@platforms//os:tvos",
        "@platforms//cpu:x86_64",
    ],
    "tvos_sim_arm64": [
        "@platforms//os:tvos",
        "@platforms//cpu:arm64",
        "@build_bazel_apple_support//constraints:simulator",
    ],
    "watchos_arm64": [
        "@platforms//os:watchos",
        "@platforms//cpu:arm64",
    ],
    "watchos_arm64_32": [
        "@platforms//os:watchos",
        "@platforms//cpu:arm64_32",
    ],
    "watchos_armv7k": [
        "@platforms//os:watchos",
        "@platforms//cpu:armv7k",
    ],
    "watchos_i386": [
        "@platforms//os:watchos",
        "@platforms//cpu:i386",
    ],
    "watchos_x86_64": [
        "@platforms//os:watchos",
        "@platforms//cpu:x86_64",
    ],
}

OSX_DEVELOPER_PLATFORM_CPUS = [
    "arm64",
    "x86_64",
]

[
    toolchain(
        name = "cc-toolchain-" + arch + "-" + cpu,
        exec_compatible_with = [
            # These only execute on macOS.
            "@platforms//os:osx",
            "@platforms//cpu:" + cpu,
        ],
        target_compatible_with = OSX_TOOLS_CONSTRAINTS[arch],
        toolchain = "@local_config_apple_cc//:cc-compiler-" + arch,
        toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
    )
    for arch in OSX_TOOLS_CONSTRAINTS.keys()
    for cpu in OSX_DEVELOPER_PLATFORM_CPUS
]