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} 19 20declare_args() { 21 ar = "ar" 22} 23 24# Platform detection 25if (target_os == "") { 26 target_os = host_os 27} 28if (current_os == "") { 29 current_os = target_os 30} 31 32is_android = current_os == "android" 33is_linux = current_os == "linux" 34is_linux_host = host_os == "linux" 35is_mac = current_os == "mac" 36 37if (target_cpu == "") { 38 target_cpu = host_cpu 39 if (is_android) { 40 target_cpu = "arm" 41 } 42} 43if (current_cpu == "") { 44 current_cpu = target_cpu 45} 46 47default_configs = [ 48 "//gn/standalone:debug_symbols", 49 "//gn/standalone:default", 50 "//gn/standalone:extra_warnings", 51 "//gn/standalone:no_exceptions", 52 "//gn/standalone:no_rtti", 53 "//gn/standalone:visibility_hidden", 54 "//gn/standalone/libc++:config", 55 "//gn/standalone/sanitizers:sanitizers_cflags", 56] 57 58if (!is_debug) { 59 default_configs -= [ "//gn/standalone:debug_symbols" ] 60 default_configs += [ "//gn/standalone:release" ] 61} 62 63set_defaults("source_set") { 64 configs = default_configs 65} 66 67set_defaults("static_library") { 68 configs = default_configs 69} 70 71# Realistically the only shared_library that we build right now is libc++.so 72# when use_custom_libcxx=true (on Linux). Hence don't add a dependency on 73# libc++ itself on these targets. 74set_defaults("shared_library") { 75 configs = default_configs 76 configs += [ "//gn/standalone:shared_library" ] 77} 78 79set_defaults("executable") { 80 configs = default_configs 81 configs += [ "//gn/standalone:executable" ] 82} 83 84set_default_toolchain("//gn/standalone/toolchain:gcc_like") 85host_toolchain = "//gn/standalone/toolchain:gcc_like_host" 86