third_party/BUILD.bazel

load("@bazel_skylib//rules:common_settings.bzl", "bool_flag")

bool_flag(
    name = "toolchain",
    build_setting_default = False,
)

config_setting(
    name = "uses_toolchain",
    flag_values = {
        ":toolchain": "true",
    },
    visibility = ["//visibility:public"],
)