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      1 # Copyright 2014 The Chromium Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 # This file contains common system config stuff for the Android build.
      6 
      7 if (is_android) {
      8   assert(rebase_path("//", root_build_dir) == "../../",
      9          "Android output directory must be nested 2 levels within src/ (" +
     10              "e.g.: out-gn/Debug). http://crbug.com/412935")
     11   has_chrome_android_internal =
     12       exec_script("//build/dir_exists.py",
     13                   [ rebase_path("//clank", root_build_dir) ],
     14                   "string") == "True"
     15 
     16   if (has_chrome_android_internal) {
     17     import("//clank/config.gni")
     18   }
     19 
     20   if (!defined(extra_chrome_shared_library_configs)) {
     21     extra_chrome_shared_library_configs = []
     22   }
     23 
     24   if (!defined(default_android_ndk_root)) {
     25     default_android_ndk_root = "//third_party/android_tools/ndk"
     26   }
     27 
     28   if (!defined(default_android_sdk_root)) {
     29     default_android_sdk_root = "//third_party/android_tools/sdk"
     30     default_android_sdk_version = "23"
     31     default_android_sdk_build_tools_version = "23.0.1"
     32   }
     33 
     34   if (!defined(default_android_keystore_path)) {
     35     default_android_keystore_path =
     36         "//build/android/ant/chromium-debug.keystore"
     37     default_android_keystore_name = "chromiumdebugkey"
     38     default_android_keystore_password = "chromium"
     39   }
     40 
     41   if (!defined(google_play_services_library)) {
     42     google_play_services_library =
     43         "//third_party/android_tools:google_play_services_default_java"
     44   }
     45 
     46   if (!defined(google_play_services_resources)) {
     47     google_play_services_resources =
     48         "//third_party/android_tools:google_play_services_default_resources"
     49   }
     50 
     51   webview_public_framework_jar =
     52       "//third_party/android_platform/webview/frameworks_6.0.jar"
     53   if (!defined(webview_framework_jar)) {
     54     webview_framework_jar = webview_public_framework_jar
     55   }
     56 
     57   declare_args() {
     58     android_ndk_root = default_android_ndk_root
     59 
     60     android_sdk_root = default_android_sdk_root
     61     android_sdk_version = default_android_sdk_version
     62     android_sdk_build_tools_version = default_android_sdk_build_tools_version
     63 
     64     # Libc++ library directory. Override to use a custom libc++ binary.
     65     android_libcpp_lib_dir = ""
     66 
     67     # Android versionCode for android_apk()s that don't expclitly set one.
     68     android_default_version_code = "1"
     69 
     70     # Android versionName for android_apk()s that don't expclitly set one.
     71     android_default_version_name = "Developer Build"
     72 
     73     # The path to the keystore to use for signing builds.
     74     android_keystore_path = default_android_keystore_path
     75 
     76     # The name of the keystore to use for signing builds.
     77     android_keystore_name = default_android_keystore_name
     78 
     79     # The password for the keystore to use for signing builds.
     80     android_keystore_password = default_android_keystore_password
     81 
     82     # Set to true to run findbugs on JAR targets.
     83     run_findbugs = false
     84 
     85     # Set to true to enable verbose findbugs logging. This does nothing if
     86     # run_findbugs is false.
     87     findbugs_verbose = false
     88 
     89     # Enables verbose proguard output (summaries and unfiltered output).
     90     proguard_verbose = false
     91 
     92     # Set to true to enable the Errorprone compiler
     93     use_errorprone_java_compiler = false
     94 
     95     # Enables EMMA Java code coverage. Instruments classes during build to
     96     # produce .ec files during runtime
     97     emma_coverage = false
     98 
     99     # EMMA filter string consisting of a list of inclusion/exclusion patterns
    100     # separated with whitespace and/or comma. Only has effect if
    101     # emma_coverage==true
    102     emma_filter = ""
    103 
    104     # Disables process isolation when building _incremental targets.
    105     # Required for Android M+ due to SELinux policies (stronger sandboxing).
    106     disable_incremental_isolated_processes = false
    107 
    108     # Speed up incremental compiles by compiling only changed files.
    109     enable_incremental_javac = false
    110 
    111     # Speed up dexing using dx --incremental.
    112     enable_incremental_dx = is_debug
    113 
    114     # Neither of these should ever be used for release builds since they are
    115     # somewhat experimental and dx --incremental is known to not produce
    116     # byte-for-byte identical output.
    117     assert(!(enable_incremental_dx && !is_debug))
    118     assert(!(enable_incremental_javac && !is_debug))
    119 
    120     # Adds intrumentation to each function. Writes a file with the order that
    121     # functions are called at startup.
    122     use_order_profiling = false
    123   }
    124 
    125   # Host stuff -----------------------------------------------------------------
    126 
    127   # Defines the name the Android build gives to the current host CPU
    128   # architecture, which is different than the names GN uses.
    129   if (host_cpu == "x64") {
    130     android_host_arch = "x86_64"
    131   } else if (host_cpu == "x86") {
    132     android_host_arch = "x86"
    133   } else {
    134     assert(false, "Need Android toolchain support for your build CPU arch.")
    135   }
    136 
    137   # Defines the name the Android build gives to the current host CPU
    138   # architecture, which is different than the names GN uses.
    139   if (host_os == "linux") {
    140     android_host_os = "linux"
    141   } else if (host_os == "mac") {
    142     android_host_os = "darwin"
    143   } else {
    144     assert(false, "Need Android toolchain support for your build OS.")
    145   }
    146 
    147   # Directories and files ------------------------------------------------------
    148   #
    149   # We define may of the dirs strings here for each output architecture (rather
    150   # than just the current one) since these are needed by the Android toolchain
    151   # file to define toolchains for all possible targets in one pass.
    152 
    153   android_sdk = "${android_sdk_root}/platforms/android-${android_sdk_version}"
    154 
    155   # Path to the Android NDK and SDK.
    156   android_ndk_include_dir = "$android_ndk_root/usr/include"
    157 
    158   android_sdk_tools = "${android_sdk_root}/tools"
    159   android_sdk_build_tools =
    160       "${android_sdk_root}/build-tools/$android_sdk_build_tools_version"
    161 
    162   # Path to the SDK's android.jar
    163   android_sdk_jar = "$android_sdk/android.jar"
    164 
    165   zipalign_path = "$android_sdk_build_tools/zipalign"
    166 
    167   # Subdirectories inside android_ndk_root that contain the sysroot for the
    168   # associated platform.
    169   _android_api_level = 16
    170   x86_android_sysroot_subdir =
    171       "platforms/android-${_android_api_level}/arch-x86"
    172   arm_android_sysroot_subdir =
    173       "platforms/android-${_android_api_level}/arch-arm"
    174   mips_android_sysroot_subdir =
    175       "platforms/android-${_android_api_level}/arch-mips"
    176   _android64_api_level = 21
    177   x86_64_android_sysroot_subdir =
    178       "platforms/android-${_android64_api_level}/arch-x86_64"
    179   arm64_android_sysroot_subdir =
    180       "platforms/android-${_android64_api_level}/arch-arm64"
    181   mips64_android_sysroot_subdir =
    182       "platforms/android-${_android64_api_level}/arch-mips64"
    183 
    184   # Toolchain root directory for each build. The actual binaries are inside
    185   # a "bin" directory inside of these.
    186   _android_toolchain_version = "4.9"
    187   x86_android_toolchain_root = "$android_ndk_root/toolchains/x86-${_android_toolchain_version}/prebuilt/${android_host_os}-${android_host_arch}"
    188   arm_android_toolchain_root = "$android_ndk_root/toolchains/arm-linux-androideabi-${_android_toolchain_version}/prebuilt/${android_host_os}-${android_host_arch}"
    189   mips_android_toolchain_root = "$android_ndk_root/toolchains/mipsel-linux-android-${_android_toolchain_version}/prebuilt/${android_host_os}-${android_host_arch}"
    190   x86_64_android_toolchain_root = "$android_ndk_root/toolchains/x86_64-${_android_toolchain_version}/prebuilt/${android_host_os}-${android_host_arch}"
    191   arm64_android_toolchain_root = "$android_ndk_root/toolchains/aarch64-linux-android-${_android_toolchain_version}/prebuilt/${android_host_os}-${android_host_arch}"
    192   mips64_android_toolchain_root = "$android_ndk_root/toolchains/mips64el-linux-android-${_android_toolchain_version}/prebuilt/${android_host_os}-${android_host_arch}"
    193 
    194   # Location of libgcc. This is only needed for the current GN toolchain, so we
    195   # only need to define the current one, rather than one for every platform
    196   # like the toolchain roots.
    197   if (current_cpu == "x86") {
    198     android_prebuilt_arch = "android-x86"
    199     _binary_prefix = "i686-linux-android"
    200     android_toolchain_root = "$x86_android_toolchain_root"
    201     android_libgcc_file = "$android_toolchain_root/lib/gcc/i686-linux-android/${_android_toolchain_version}/libgcc.a"
    202   } else if (current_cpu == "arm") {
    203     android_prebuilt_arch = "android-arm"
    204     _binary_prefix = "arm-linux-androideabi"
    205     android_toolchain_root = "$arm_android_toolchain_root"
    206     android_libgcc_file = "$android_toolchain_root/lib/gcc/arm-linux-androideabi/${_android_toolchain_version}/libgcc.a"
    207   } else if (current_cpu == "mipsel") {
    208     android_prebuilt_arch = "android-mips"
    209     _binary_prefix = "mipsel-linux-android"
    210     android_toolchain_root = "$mips_android_toolchain_root"
    211     android_libgcc_file = "$android_toolchain_root/lib/gcc/mipsel-linux-android/${_android_toolchain_version}/libgcc.a"
    212   } else if (current_cpu == "x64") {
    213     android_prebuilt_arch = "android-x86_64"
    214     _binary_prefix = "x86_64-linux-android"
    215     android_toolchain_root = "$x86_64_android_toolchain_root"
    216     android_libgcc_file = "$android_toolchain_root/lib/gcc/x86_64-linux-android/${_android_toolchain_version}/libgcc.a"
    217   } else if (current_cpu == "arm64") {
    218     android_prebuilt_arch = "android-arm64"
    219     _binary_prefix = "aarch64-linux-android"
    220     android_toolchain_root = "$arm64_android_toolchain_root"
    221     android_libgcc_file = "$android_toolchain_root/lib/gcc/aarch64-linux-android/${_android_toolchain_version}/libgcc.a"
    222   } else if (current_cpu == "mips64el") {
    223     android_prebuilt_arch = "android-mips64"
    224     _binary_prefix = "mips64el-linux-android"
    225     android_toolchain_root = "$mips64_android_toolchain_root"
    226     android_libgcc_file = "$android_toolchain_root/lib/gcc/mips64el-linux-android/${_android_toolchain_version}/libgcc.a"
    227   } else {
    228     assert(false, "Need android libgcc support for your target arch.")
    229   }
    230 
    231   android_tool_prefix = "$android_toolchain_root/bin/$_binary_prefix-"
    232   android_readelf = "${android_tool_prefix}readelf"
    233   android_objcopy = "${android_tool_prefix}objcopy"
    234   android_gdbserver =
    235       "$android_ndk_root/prebuilt/$android_prebuilt_arch/gdbserver/gdbserver"
    236 
    237   # Toolchain stuff ------------------------------------------------------------
    238 
    239   android_libcpp_root = "$android_ndk_root/sources/cxx-stl/llvm-libc++"
    240 
    241   # ABI ------------------------------------------------------------------------
    242 
    243   # Intentionally do not define android_app_secondary_abi for 64-bit
    244   # android_app_abi, since they are not used.
    245   if (current_cpu == "x86") {
    246     android_app_abi = "x86"
    247     android_app_secondary_abi = "x86_64"
    248   } else if (current_cpu == "arm") {
    249     import("//build/config/arm.gni")
    250     if (arm_version < 7) {
    251       android_app_abi = "armeabi"
    252     } else {
    253       android_app_abi = "armeabi-v7a"
    254     }
    255     android_app_secondary_abi = "arm64-v8a"
    256   } else if (current_cpu == "mipsel") {
    257     android_app_abi = "mips"
    258     android_app_secondary_abi = "mips64"
    259   } else if (current_cpu == "x64") {
    260     android_app_abi = "x86_64"
    261   } else if (current_cpu == "arm64") {
    262     android_app_abi = "arm64-v8a"
    263   } else if (current_cpu == "mips64el") {
    264     android_app_abi = "mips64"
    265   } else {
    266     assert(false, "Unknown Android ABI: " + current_cpu)
    267   }
    268 
    269   if (android_libcpp_lib_dir == "") {
    270     android_libcpp_lib_dir = "${android_libcpp_root}/libs/${android_app_abi}"
    271   }
    272 }
    273