| # Copyright 2016 Google Inc. |
| # |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| is_skia_standalone = true |
| |
| # It's best to keep the names and defaults of is_foo flags consistent with Chrome. |
| |
| declare_args() { |
| is_official_build = false |
| is_component_build = false |
| ndk = "" |
| |
| # Android 5.0, Lollipop |
| ndk_api = 21 |
| |
| sanitize = "" |
| |
| ar = "ar" |
| cc = "cc" |
| cxx = "c++" |
| |
| win_sdk = "C:/Program Files (x86)/Windows Kits/10" |
| win_sdk_version = "" |
| |
| win_vc = "" |
| win_toolchain_version = "" |
| |
| clang_win = "" |
| clang_win_version = "" |
| |
| ios_min_target = "" |
| ios_use_simulator = |
| target_os == "ios" && (target_cpu == "x86" || target_cpu == "x64") |
| } |
| declare_args() { |
| is_debug = !is_official_build |
| |
| # This affects Skia's ABI; must be set consistently for Skia and dependents. |
| is_trivial_abi = !is_official_build |
| } |
| |
| assert(!(is_debug && is_official_build)) |
| |
| if (target_cpu == "wasm") { |
| target_os = "wasm" |
| } |
| |
| # Platform detection |
| if (target_os == "") { |
| target_os = host_os |
| if (ndk != "") { |
| target_os = "android" |
| } |
| } |
| if (current_os == "") { |
| current_os = target_os |
| } |
| |
| is_android = current_os == "android" |
| is_fuchsia = current_os == "fuchsia" |
| is_ios = current_os == "ios" || current_os == "tvos" |
| is_tvos = current_os == "tvos" |
| is_linux = current_os == "linux" |
| is_mac = current_os == "mac" |
| is_wasm = current_os == "wasm" |
| is_win = current_os == "win" |
| |
| # This is just to make the Dawn build files happy. Skia itself uses target_os = "linux" |
| # for ChromeOS, so this variable will not affect Skia proper. |
| is_chromeos = false |
| |
| # This is to make the ANGLE build files happy. Skia always uses is_mac and/or is_ios. |
| is_apple = is_mac || is_ios |
| |
| if (target_cpu == "") { |
| target_cpu = host_cpu |
| if (is_android || is_ios) { |
| target_cpu = "arm64" |
| } |
| } |
| if (target_cpu == "x86_64") { |
| target_cpu = "x64" |
| } |
| if (current_cpu == "") { |
| current_cpu = target_cpu |
| } |
| |
| is_clang = is_android || is_ios || is_mac || is_fuchsia || is_wasm || |
| (cc == "clang" && cxx == "clang++") || clang_win != "" |
| if (!is_clang && !is_win) { |
| is_clang = exec_script("//gn/is_clang.py", |
| [ |
| cc, |
| cxx, |
| ], |
| "value") |
| } |
| |
| if (is_android) { |
| ndk_host = "" |
| ndk_target = "" |
| ndk_gdbserver = "" |
| |
| if (host_os == "linux") { |
| ndk_host = "linux-x86_64" |
| } else if (host_os == "mac") { |
| ndk_host = "darwin-x86_64" |
| } else if (host_os == "win") { |
| ndk_host = "windows-x86_64" |
| } |
| |
| if (target_cpu == "arm64") { |
| ndk_target = "aarch64-linux-android" |
| ndk_gdbserver = "prebuilt/android-arm64/gdbserver/gdbserver" |
| } else if (target_cpu == "arm") { |
| ndk_target = "armv7a-linux-androideabi" |
| ndk_gdbserver = "prebuilt/android-arm/gdbserver/gdbserver" |
| } else if (target_cpu == "x64") { |
| ndk_target = "x86_64-linux-android" |
| ndk_gdbserver = "prebuilt/android-x86_64/gdbserver/gdbserver" |
| } else if (target_cpu == "x86") { |
| ndk_target = "i686-linux-android" |
| ndk_gdbserver = "prebuilt/android-x86/gdbserver/gdbserver" |
| } |
| } |
| |
| if (target_os == "win") { |
| # By default we look for 2017 (Enterprise, Pro, and Community), then 2015. If MSVC is installed in a |
| # non-default location, you can set win_vc to inform us where it is. |
| |
| if (win_vc == "") { |
| win_vc = exec_script("//gn/find_msvc.py", [], "trim string") |
| } |
| assert(win_vc != "") # Could not find VC installation. Set win_vc to your VC |
| # directory. |
| } |
| |
| if (target_os == "win") { |
| if (win_toolchain_version == "") { |
| win_toolchain_version = exec_script("//gn/highest_version_dir.py", |
| [ |
| "$win_vc/Tools/MSVC", |
| "[0-9]{2}\.[0-9]{2}\.[0-9]{5}", |
| ], |
| "trim string") |
| } |
| if (win_sdk_version == "") { |
| win_sdk_version = exec_script("//gn/highest_version_dir.py", |
| [ |
| "$win_sdk/Include", |
| "[0-9]{2}\.[0-9]\.[0-9]{5}\.[0-9]", |
| ], |
| "trim string") |
| } |
| if (clang_win != "" && clang_win_version == "") { |
| clang_win_version = exec_script("//gn/highest_version_dir.py", |
| [ |
| "$clang_win/lib/clang", |
| "[0-9]+\.[0-9]+\.[0-9]+", |
| ], |
| "trim string") |
| } |
| } |
| |
| # A component is either a static or a shared library. |
| template("component") { |
| _component_mode = "static_library" |
| if (is_component_build) { |
| _component_mode = "shared_library" |
| } |
| |
| target(_component_mode, target_name) { |
| forward_variables_from(invoker, "*") |
| } |
| } |
| |
| # Default configs |
| default_configs = [ |
| "//gn/skia:default", |
| "//gn/skia:no_exceptions", |
| "//gn/skia:no_rtti", |
| ] |
| if (!is_debug) { |
| default_configs += [ |
| "//gn/skia:optimize", |
| "//gn/skia:NDEBUG", |
| ] |
| } |
| if (is_trivial_abi) { |
| default_configs += [ "//gn/skia:trivial_abi" ] |
| } |
| if (!is_official_build) { |
| default_configs += [ "//gn/skia:debug_symbols" ] |
| } |
| default_configs += [ "//gn/skia:extra_flags" ] |
| |
| set_defaults("executable") { |
| configs = [ "//gn/skia:executable" ] + default_configs |
| } |
| |
| set_defaults("source_set") { |
| configs = default_configs |
| } |
| |
| set_defaults("static_library") { |
| configs = default_configs |
| } |
| |
| set_defaults("shared_library") { |
| configs = default_configs |
| } |
| |
| set_defaults("component") { |
| configs = default_configs |
| if (!is_component_build) { |
| complete_static_lib = true |
| } |
| } |
| |
| skia_target_default_configs = [] |
| if (!is_official_build) { |
| skia_target_default_configs += [ "//gn/skia:warnings" ] |
| } |
| |
| skia_header_target_default_configs = [] |
| if (!is_official_build) { |
| skia_header_target_default_configs += |
| [ "//gn/skia:warnings_for_public_headers" ] |
| } |
| |
| if (is_win) { |
| # Windows tool chain |
| set_default_toolchain("//gn/toolchain:msvc") |
| default_toolchain_name = "msvc" |
| host_toolchain = "msvc" |
| } else if (is_wasm) { |
| set_default_toolchain("//gn/toolchain:wasm") |
| default_toolchain_name = "wasm" |
| host_toolchain = "wasm" |
| } else { |
| # GCC-like toolchains, including Clang. |
| set_default_toolchain("//gn/toolchain:gcc_like") |
| default_toolchain_name = "gcc_like" |
| host_toolchain = "gcc_like_host" |
| } |