metadata/Android.bp

// build time C++ available list of all HIDL interfaces in the tree
cc_library {
    name: "libhidlmetadata",
    host_supported: true,
    srcs: [":hidl_metadata_in_cpp"],
    export_include_dirs: ["include"],

    cflags: ["-O0"],
}

cc_library_headers {
    name: "libhidlmetadata_headers",
    recovery_available: true,
    host_supported: true,
    export_include_dirs: ["include"],
}

// private impl below

cc_binary {
    name: "hidl_metadata_parser",
    host_supported: true,
    srcs: ["parser.cpp"],
    shared_libs: ["libjsoncpp"],
    visibility: [":__subpackages__"],
}

cc_genrule {
    name: "hidl_metadata_in_cpp",
    host_supported: true,
    cmd: "$(location hidl_metadata_parser) $(in) > $(genDir)/metadata.cpp",
    srcs: [
        ":hidl_metadata_json",
    ],
    tools: ["hidl_metadata_parser"],
    visibility: [":__subpackages__"],
    out: ["metadata.cpp"],
}