// Copyright (C) 2008 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package {
    default_applicable_licenses: ["external_bsdiff_license"],
}

license {
    name: "external_bsdiff_license",
    visibility: [":__subpackages__"],
    license_kinds: ["SPDX-license-identifier-Apache-2.0","SPDX-license-identifier-BSD"],
    license_text: ["LICENSE"],
}

cc_defaults {
    name: "bsdiff_defaults",
    host_supported: true,
    static_libs: ["libbz", "libbrotli"],
    // Allow internal includes to be referenced with the "bsdiff/" prefix in the
    // path.
    include_dirs: ["external"],
    export_include_dirs: ["include"],
    cflags: [
        "-D_FILE_OFFSET_BITS=64",
        "-Wall",
        "-Werror",
        "-Wextra",
        "-Wno-unused-parameter",
    ],
}

// Host and target static libraries.
cc_library_static {
    name: "libbspatch",
    defaults: ["bsdiff_defaults"],
    vendor_available: true,
    recovery_available: true,

    visibility: [
        "//bootable/recovery:__subpackages__",
        "//bootable/deprecated-ota:__subpackages__",
        "//external/puffin:__subpackages__",
        "//system/update_engine:__subpackages__",
        "//system/core/fs_mgr/libsnapshot:__subpackages__",
    ],

    srcs: [
        "brotli_decompressor.cc",
        "bspatch.cc",
        "bz2_decompressor.cc",
        "buffer_file.cc",
        "decompressor_interface.cc",
        "extents.cc",
        "extents_file.cc",
        "file.cc",
        "logging.cc",
        "memory_file.cc",
        "patch_reader.cc",
        "sink_file.cc",
        "utils.cc",
    ],
}

cc_library_static {
    name: "libbsdiff",
    recovery_available: true,
    defaults: ["bsdiff_defaults"],

    srcs: [
        "brotli_compressor.cc",
        "bsdiff.cc",
        "bz2_compressor.cc",
        "compressor_buffer.cc",
        "diff_encoder.cc",
        "endsley_patch_writer.cc",
        "logging.cc",
        "patch_writer.cc",
        "patch_writer_factory.cc",
        "split_patch_writer.cc",
        "suffix_array_index.cc",
    ],
    static_libs: [
        "libdivsufsort64",
        "libdivsufsort",
        "libbrotli",
    ],
}

// Host executables: bsdiff and bspatch are only built for the host.
cc_binary_host {
    name: "bspatch",
    defaults: ["bsdiff_defaults"],

    srcs: ["bspatch_main.cc"],
    static_libs: [
        "libbspatch",
        "libbz",
        "libbrotli",
    ],
}

cc_binary_host {
    name: "bsdiff",
    defaults: ["bsdiff_defaults"],

    srcs: [
        "bsdiff_arguments.cc",
        "bsdiff_main.cc",
    ],
    static_libs: [
        "libbsdiff",
        "libdivsufsort64",
        "libdivsufsort",
        "libbz",
        "libbrotli",
    ],
}

// Unit tests.
cc_test {
    name: "bsdiff_unittest",
    defaults: ["bsdiff_defaults"],
    test_suites: ["device-tests"],
    srcs: [
        "brotli_compressor_unittest.cc",
        "brotli_decompressor_unittest.cc",
        "bsdiff_arguments.cc",
        "bsdiff_arguments_unittest.cc",
        "bsdiff_unittest.cc",
        "bspatch_unittest.cc",
        "bz2_decompressor_unittest.cc",
        "diff_encoder_unittest.cc",
        "endsley_patch_writer_unittest.cc",
        "extents_file_unittest.cc",
        "extents_unittest.cc",
        "patch_reader_unittest.cc",
        "patch_writer_unittest.cc",
        "split_patch_writer_unittest.cc",
        "suffix_array_index_unittest.cc",
        "test_utils.cc",
        "testrunner.cc",
    ],
    static_libs: [
        "libbsdiff",
        "libbspatch",
        "libgmock",
        "libdivsufsort64",
        "libdivsufsort",
        "libbz",
        "libbrotli",
    ],
    target: {
        android: {
            cflags: ["-DBSDIFF_TARGET_UNITTEST"],
        },
    },
    test_options: {
        unit_test: true,
    },
}