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 declare_args() { 9 # Absolute directory containing the Android source code. 10 android_src = "" 11 12 android_sdk_root = "//third_party/android_tools/sdk" 13 android_sdk_version = "20" 14 15 # This is set when building the Android WebView inside the Android build 16 # system, using the 'android' gyp backend. The WebView code is still built 17 # when this is unset, but builds using the normal chromium build system. 18 is_android_webview_build = false 19 } 20 21 if (is_android_webview_build) { 22 assert(android_src != "", 23 "You must specify android_src for an Android WebView build.") 24 } 25 26 # Host stuff ----------------------------------------------------------------- 27 28 # Defines the name the Android build gives to the current host CPU 29 # architecture, which is different than the names GN uses. 30 if (build_cpu_arch == "x64") { 31 android_host_arch = "x86_64" 32 } else if (build_cpu_arch == "x86") { 33 android_host_arch = "x86" 34 } else { 35 assert(false, "Need Android toolchain support for your build CPU arch.") 36 } 37 38 # Defines the name the Android build gives to the current host CPU 39 # architecture, which is different than the names GN uses. 40 if (build_os == "linux") { 41 android_host_os = "linux" 42 } else { 43 assert(false, "Need Android toolchain support for your build OS.") 44 } 45 46 # Directories and files ------------------------------------------------------ 47 # 48 # We define may of the dirs strings here for each output architecture (rather 49 # than just the current one) since these are needed by the Android toolchain 50 # file to define toolchains for all possible targets in one pass. 51 52 android_sdk = "${android_sdk_root}/platforms/android-${android_sdk_version}" 53 54 # Path to the Android NDK and SDK. 55 android_ndk_root = "//third_party/android_tools/ndk" 56 57 android_sdk = "${android_sdk_root}/platforms/android-${android_sdk_version}" 58 59 android_sdk_tools = "${android_sdk_root}/tools" 60 android_sdk_build_tools = "${android_sdk_root}/build-tools/20.0.0" 61 62 # Path to the SDK's android.jar 63 android_sdk_jar = "$android_sdk/android.jar" 64 65 # Subdirectories inside android_ndk_root that contain the sysroot for the 66 # associated platform. 67 _android_api_level = 14 68 x86_android_sysroot_subdir = "platforms/android-${_android_api_level}/arch-x86" 69 arm_android_sysroot_subdir = "platforms/android-${_android_api_level}/arch-arm" 70 mips_android_sysroot_subdir = "platforms/android-${_android_api_level}/arch-mips" 71 72 # Toolchain root directory for each build. The actual binaries are inside 73 # a "bin" directory inside of these. 74 _android_toolchain_version = "4.8" 75 x86_android_toolchain_root = "$android_ndk_root/toolchains/x86-${_android_toolchain_version}/prebuilt/${android_host_os}-${android_host_arch}" 76 arm_android_toolchain_root = "$android_ndk_root/toolchains/arm-linux-androideabi-${_android_toolchain_version}/prebuilt/${android_host_os}-${android_host_arch}" 77 mips_android_toolchain_root = "$android_ndk_root/toolchains/mipsel-linux-android-${_android_toolchain_version}/prebuilt/${android_host_os}-${android_host_arch}" 78 79 # Location of libgcc. This is only needed for the current GN toolchain, so we 80 # only need to define the current one, rather than one for every platform 81 # like the toolchain roots. 82 if (cpu_arch == "x86") { 83 android_libgcc_file = 84 "$x86_android_toolchain_root/lib/gcc/i686-linux-android/${_android_toolchain_version}/libgcc.a" 85 } else if (cpu_arch == "arm") { 86 android_libgcc_file = 87 "$arm_android_toolchain_root/lib/gcc/arm-linux-androideabi/${_android_toolchain_version}/libgcc.a" 88 } else if (cpu_arch == "mipsel") { 89 android_libgcc_file = 90 "$mips_android_toolchain_root/lib/gcc/mipsel-linux-android/${_android_toolchain_version}/libgcc.a" 91 } else { 92 assert(false, "Need android libgcc support for your target arch.") 93 } 94 95 # stlport stuff -------------------------------------------------------------- 96 97 use_system_stlport = is_android_webview_build 98 99 if (use_system_stlport) { 100 android_stlport_library = "stlport" 101 } else if (component_mode == "shared_library") { 102 android_stlport_library = "stlport_shared" 103 } else { 104 android_stlport_library = "stlport_static" 105 } 106 107 # ABI ------------------------------------------------------------------------ 108 109 if (cpu_arch == "x86") { 110 android_app_abi = "x86" 111 } else if (cpu_arch == "arm") { 112 import("//build/config/arm.gni") 113 if (arm_version < 7) { 114 android_app_abi = "armeabi" 115 } else { 116 android_app_abi = "armeabi-v7a" 117 } 118 } else if (cpu_arch == "mipsel") { 119 android_app_abi = "mips" 120 } else { 121 assert(false, "Unknown Android ABI: " + cpu_arch) 122 } 123 } else { 124 if (!defined(is_android_webview_build)) { 125 is_android_webview_build = false 126 } 127 use_system_stlport = false 128 } 129