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 if (is_android) { 6 import("//build/config/android/config.gni") 7 } 8 9 declare_args() { 10 # Uses system libjpeg. If true, overrides use_libjpeg_turbo. 11 use_system_libjpeg = is_android && is_android_webview_build 12 13 # Uses libjpeg_turbo as the jpeg implementation. Has no effect if 14 # use_system_libjpeg is set. 15 use_libjpeg_turbo = true 16 } 17 18 config("system_libjpeg_config") { 19 defines = [ "USE_SYSTEM_LIBJPEG" ] 20 } 21 22 config("libjpeg_turbo_config") { 23 defines = [ "USE_LIBJPEG_TURBO" ] 24 } 25 26 # This is a meta target that forwards to the system's libjpeg, 27 # third_party/libjpeg, or third_party/libjpeg_turbo depending on the build args 28 # declared in this file. 29 group("jpeg") { 30 if (use_system_libjpeg) { 31 libs = [ "jpeg" ] 32 direct_dependent_configs = [ ":system_libjpeg_config" ] 33 } else if (use_libjpeg_turbo) { 34 deps = [ "//third_party/libjpeg_turbo:libjpeg" ] 35 direct_dependent_configs = [ ":libjpeg_turbo_config" ] 36 } else { 37 deps = [ "//third_party/libjpeg:libjpeg" ] 38 } 39 } 40
