/*
 * Copyright (C) 2019 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: ["Android-Apache-2.0"],
}

cc_defaults {
    name: "linkerconfig_defaults",
    cflags: [
        "-Wall",
        "-Werror",
        "-Wextra",
    ],
    defaults: ["libapexutil-deps"],
    static_libs: [
        "libapexutil",
        "libbase",
        "liblog",
        "libprotobuf-cpp-lite",
        "libxml2",
        "lib_linker_config_proto_lite",
    ],
    target: {
        host: {
            static_libs: [
                "libicui18n",
                "libicuuc",
            ],
        },
        not_windows: {
            static_libs: ["libicuuc_stubdata"],
        },
    },
    host_supported: true,
}

cc_defaults {
    name: "linkerconfig_test_defaults",
    defaults: ["linkerconfig_defaults"],
    cflags: [
        "-g",
        "-Wunused",
    ],
    test_suites: ["general-tests"],
}

cc_library_static {
    name: "linkerconfig_modules",
    defaults: [ "linkerconfig_defaults" ],
    export_include_dirs: [ "modules/include" ],
    srcs: [
        "modules/*.cc",
    ],
    generated_sources: ["apex-info-list"],
    apex_available: [
        "//apex_available:platform",
        "com.android.runtime",
    ],
}

cc_library_static {
    name: "linkerconfig_contents",
    defaults: [ "linkerconfig_defaults" ],
    export_include_dirs: [ "contents/include" ],
    static_libs: [
        "linkerconfig_modules",
    ],
    srcs: [
        "contents/namespace/*.cc",
        "contents/section/*.cc",
        "contents/configuration/*.cc",
        "contents/context/*.cc",
        "contents/common/*.cc",
    ],
    apex_available: [
        "//apex_available:platform",
        "com.android.runtime",
    ],
}

cc_library_static {
    name: "linkerconfig_generator",
    defaults : [ "linkerconfig_defaults" ],
    export_include_dirs: [ "generator/include" ],
    static_libs: [
        "linkerconfig_modules",
        "linkerconfig_contents",
    ],
    srcs: [
        "generator/*.cc",
    ],
    apex_available: [
        "//apex_available:platform",
        "com.android.runtime",
    ],
}

cc_binary {
    name: "linkerconfig",
    defaults: [ "linkerconfig_defaults" ],
    static_libs: [
        "linkerconfig_modules",
        "linkerconfig_contents",
        "linkerconfig_generator",
    ],
    srcs: [
        "main.cc",
    ],
    required: [
        // files from /system/etc
        "sanitizer.libraries.txt",
        "vndkcorevariant.libraries.txt",
        // Note that even thought linkerconfig requires at least one version of VNDK APEXes,
        // we can't list it here because the exact version is unknown at build-time. It is decided
        // at runtime according to ro.vndk.version (or ro.product.vndk.version)
    ],
    target: {
        android: {
            // This binary needs to be static on device, but it's also packaged
            // as a host prebuilt in runtime-module-host-exports. On host it
            // should link all libraries statically except libc and other system
            // libraries, so enable this only on device.
            static_executable: true,
        },
        host: {
            stl: "c++_static",  // Link libc++ statically.
        },
    },

    // Device does not boot when global ThinLTO is enabled for linkerconfig.
    // http://b/170573443
    lto: {
        never: true,
    },

    apex_available: [
        "//apex_available:platform",
        "com.android.runtime",
    ],
}

cc_test {
    name: "linkerconfig_modules_unittest",
    defaults: [ "linkerconfig_test_defaults" ],
    srcs: [
        "modules/tests/*_test.cc",
    ],
    static_libs: [
        "libgmock",
        "linkerconfig_modules",
        "libc++fs",
    ],
    data: [
        "modules/tests/data/linker.config.*",
    ],
}

cc_test {
    name: "linkerconfig_backward_compatibility_test",
    defaults: [ "linkerconfig_test_defaults" ],
    srcs: [
        "contents/tests/backward_compatibility/*_test.cc",
    ],
    static_libs: [
        "linkerconfig_modules",
        "linkerconfig_contents",
    ],
}

cc_test {
    name: "linkerconfig_generator_unittest",
    defaults: [ "linkerconfig_test_defaults" ],
    srcs: [
        "generator/tests/*_test.cc",
    ],
    static_libs: [
        "linkerconfig_modules",
        "linkerconfig_contents",
        "linkerconfig_generator",
    ],
    data: [
        "generator/tests/data/*.txt",
    ],
}

cc_test {
    name: "linkerconfig_contents_fulltest",
    defaults: [ "linkerconfig_test_defaults" ],
    local_include_dirs: [
        "contents/tests/configuration/include",
    ],
    srcs: [
        "contents/tests/configuration/*_test.cc",
    ],
    static_libs: [
        "linkerconfig_modules",
        "linkerconfig_contents",
    ],
}

prebuilt_etc {
    name: "ld.config.recovery.txt",
    recovery: true,
    filename: "ld.config.txt",
    src: ":generate_recovery_linker_config",
}

genrule {
    name: "generate_recovery_linker_config",
    recovery: true,
    out: ["ld.config.txt"],
    tools: ["linkerconfig"],
    cmd: "$(location linkerconfig) --recovery --target $(genDir)",
}

genrule {
    name: "linkerconfig_diff_test_host_tools",
    out: ["linkerconfig_diff_test_host_tools.zip"],
    tools: ["conv_apex_manifest", "conv_linker_config", "linkerconfig", "soong_zip"],
    cmd: "HOST_OUT_BIN=$$(dirname $(location conv_apex_manifest)) && " +
         "HOST_SOONG_OUT=$$(dirname $$HOST_OUT_BIN) && " +
         "LIBCPLUSPLUS=$$(find $${HOST_SOONG_OUT}/lib64 -name \"libc++.*\") && " +
         "mkdir -p $(genDir)/tools/bin && " +
         "mkdir -p $(genDir)/tools/lib64 && " +
         "cp $(location conv_apex_manifest) $(genDir)/tools/bin && " +
         "cp $(location conv_linker_config) $(genDir)/tools/bin && " +
         "cp $(location linkerconfig) $(genDir)/tools/bin && " +
         "cp $$LIBCPLUSPLUS $(genDir)/tools/lib64 && " +
         "$(location soong_zip) -C $(genDir)/tools -D $(genDir)/tools -o $(out)",
}

sh_test_host {
    name: "linkerconfig_diff_test",
    src: "rundiff.sh",
    filename: "linkerconfig_diff_test.sh",
    test_config: "linkerconfig_diff_test.xml",
    data: [
        "testdata/root/**/*",
        "testdata/root/**/.*", // copy .keep files
        "testdata/golden_output/**/*",
        "testdata/prepare_root.sh",
        // workaround to use host tools(conv_apex_manifest, linkerconfig) on build server
        // ":conv_apex_manifest",
        // ":linkerconfig",
        ":linkerconfig_diff_test_host_tools",
    ],
    test_options: {
        unit_test: true,
    },
}