1# Copyright (c) 2013 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 header file defines the "sysroot" variable which is the absolute path 6# of the sysroot. If no sysroot applies, the variable will be an empty string. 7 8declare_args() { 9 # The absolute path of the sysroot that is applied when compiling using 10 # the target toolchain. 11 target_sysroot = "" 12 use_sysroot = 13 current_cpu == "arm" || current_cpu == "arm64" || current_cpu == "riscv64" 14} 15 16if (current_os == target_os && current_cpu == target_cpu && 17 target_sysroot != "") { 18 sysroot = target_sysroot 19} else if (is_ohos) { 20 import("//build/config/ohos/config.gni") 21 sysroot = "${musl_sysroot}" 22} else if (is_android || (is_linux && use_sysroot)) { 23 import("//build_plugins/config/aosp/sysroot.gni") 24} else if (is_mac) { 25 import("//build/config/mac/mac_sdk.gni") 26 sysroot = mac_sdk_path 27} else if (is_ios) { 28 import("//build_plugins/config/ios/ios_sdk.gni") 29 sysroot = ios_sdk_path 30} else { 31 sysroot = "" 32} 33 34if (!defined(link_sysroot)) { 35 link_sysroot = sysroot 36} 37