1# Copyright (C) 2017 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15declare_args() { 16 is_debug = true 17 is_clang = true 18 is_system_compiler = false 19 is_lto = false 20 21 extra_cflags = "" 22 extra_cxxflags = "" 23 extra_ldflags = "" 24} 25 26declare_args() { 27 ar = "ar" 28} 29 30# Platform detection 31if (target_os == "") { 32 target_os = host_os 33} 34if (current_os == "") { 35 current_os = target_os 36} 37 38is_android = current_os == "android" 39is_linux = current_os == "linux" 40is_linux_host = host_os == "linux" 41is_mac = current_os == "mac" 42 43# Building with Windows/Fuchsia is currently only supported in the Chromium 44# tree so always set this to false. 45is_win = false 46is_fuchsia = false 47 48if (target_cpu == "") { 49 target_cpu = host_cpu 50 if (is_android) { 51 target_cpu = "arm" 52 } 53} 54if (current_cpu == "") { 55 current_cpu = target_cpu 56} 57 58default_configs = [ 59 "//gn/standalone:debug_symbols", 60 "//gn/standalone:default", 61 "//gn/standalone:c++11", 62 "//gn/standalone:extra_warnings", 63 "//gn/standalone:no_exceptions", 64 "//gn/standalone:no_rtti", 65 "//gn/standalone:visibility_hidden", 66 "//gn/standalone/libc++:config", 67 "//gn/standalone/sanitizers:sanitizers_cflags", 68] 69 70if (!is_debug) { 71 default_configs -= [ "//gn/standalone:debug_symbols" ] 72 default_configs += [ "//gn/standalone:release" ] 73} 74 75set_defaults("source_set") { 76 configs = default_configs 77} 78 79set_defaults("static_library") { 80 configs = default_configs 81} 82 83# Realistically the only shared_library that we build right now is libc++.so 84# when use_custom_libcxx=true (on Linux). Hence don't add a dependency on 85# libc++ itself on these targets. 86set_defaults("shared_library") { 87 configs = default_configs 88 configs += [ "//gn/standalone:shared_library" ] 89 90 # note: the following is not a nested config to be removable. 91 configs += [ "//gn/standalone:android_liblog" ] 92} 93 94set_defaults("executable") { 95 configs = default_configs 96 configs += [ "//gn/standalone:executable" ] 97 98 # note: the following is not a nested config to be removable. 99 configs += [ "//gn/standalone:android_liblog" ] 100} 101 102set_default_toolchain("//gn/standalone/toolchain:gcc_like") 103host_toolchain = "//gn/standalone/toolchain:gcc_like_host" 104