android_device_xiaomi_sm8350-common/fingerprint/Android.bp

soong_config_module_type {
    name: "fingerprint_extension",
    module_type: "cc_defaults",
    config_namespace: "xiaomiSm8350Vars",
    bool_variables: ["fingerprint_use_extension"],
    properties: [
        "cflags",
        "shared_libs",
        "vintf_fragments",
    ],
}

fingerprint_extension {
    name: "fingerprint_extension_defaults",
    soong_config_variables: {
        fingerprint_use_extension: {
            cflags: ["-DUSE_EXTENSION"],
            shared_libs: [
                "vendor.xiaomi.hardware.fingerprintextension@1.0",
            ],
            vintf_fragments: ["vendor.xiaomi.hardware.fingerprintextension@1.0.xml"],
        },
    },
}

cc_binary {
    name: "android.hardware.biometrics.fingerprint@2.1-service.xiaomi_sm8350",
    defaults: [
        "hidl_defaults",
        "fingerprint_extension_defaults",
    ],
    init_rc: ["android.hardware.biometrics.fingerprint@2.1-service.xiaomi_sm8350.rc"],
    vintf_fragments: ["android.hardware.biometrics.fingerprint@2.1-service.xiaomi_sm8350.xml"],
    vendor: true,
    relative_install_path: "hw",
    srcs: [
        "BiometricsFingerprint.cpp",
        "service.cpp",
    ],

    shared_libs: [
        "libcutils",
        "liblog",
        "libhidlbase",
        "libhardware",
        "libutils",
        "android.hardware.biometrics.fingerprint@2.1",
    ],

}