93 строки
3.3 KiB
Plaintext
93 строки
3.3 KiB
Plaintext
# Copyright (c) 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# This header file defines the "sysroot" variable which is the absolute path
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# of the sysroot. If no sysroot applies, the variable will be an empty string.
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import("//build/config/chrome_build.gni")
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declare_args() {
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# The absolute path of the sysroot that is applied when compiling using
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# the target toolchain.
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target_sysroot = ""
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# The absolute path to directory containing sysroots for linux 32 and 64bit
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target_sysroot_dir = ""
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use_sysroot = true
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}
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if (is_linux && target_sysroot_dir != "") {
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if (current_cpu == "x64") {
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sysroot = target_sysroot_dir + "/wheezy-x64"
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} else if (current_cpu == "x86") {
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sysroot = target_sysroot_dir + "/wheezy-ia32"
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}
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} else if (current_os == target_os && current_cpu == target_cpu &&
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target_sysroot != "") {
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sysroot = target_sysroot
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} else if (is_android) {
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import("//build/config/android/config.gni")
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if (current_cpu == "x86") {
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sysroot = "$android_ndk_root/$x86_android_sysroot_subdir"
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} else if (current_cpu == "arm") {
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sysroot = "$android_ndk_root/$arm_android_sysroot_subdir"
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} else if (current_cpu == "mipsel") {
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sysroot = "$android_ndk_root/$mips_android_sysroot_subdir"
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} else if (current_cpu == "x64") {
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sysroot = "$android_ndk_root/$x86_64_android_sysroot_subdir"
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} else if (current_cpu == "arm64") {
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sysroot = "$android_ndk_root/$arm64_android_sysroot_subdir"
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} else if (current_cpu == "mips64el") {
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sysroot = "$android_ndk_root/$mips64_android_sysroot_subdir"
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} else {
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sysroot = ""
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}
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} else if (is_linux && !is_chromeos && use_sysroot) {
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# By default build against a sysroot image downloaded from Cloud Storage
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# during gclient runhooks.
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if (current_cpu == "x64") {
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sysroot = "//build/linux/debian_wheezy_amd64-sysroot"
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} else if (current_cpu == "x86") {
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sysroot = "//build/linux/debian_wheezy_i386-sysroot"
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} else if (current_cpu == "mipsel") {
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sysroot = "//build/linux/debian_wheezy_mips-sysroot"
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} else if (current_cpu == "arm") {
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sysroot = "//build/linux/debian_wheezy_arm-sysroot"
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} else if (current_cpu == "arm64") {
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sysroot = "//build/linux/debian_jessie_arm64-sysroot"
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} else {
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# Any other builds don't use a sysroot.
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sysroot = ""
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}
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if (sysroot != "") {
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# Our sysroot images only contains gcc 4.6 headers, but chromium requires
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# gcc 4.9. Clang is able to detect and work with the 4.6 headers while
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# gcc is not. This check can be removed if we ever update to a more modern
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# sysroot.
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assert(is_clang, "sysroot images require clang (try use_sysroot=false)")
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_script_arch = current_cpu
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if (_script_arch == "x86") {
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_script_arch = "i386"
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} else if (_script_arch == "x64") {
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_script_arch = "amd64"
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}
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assert(
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exec_script("//build/dir_exists.py",
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[ rebase_path(sysroot) ],
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"string") == "True",
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"Missing sysroot ($sysroot). To fix, run: build/linux/sysroot_scripts/install-sysroot.py --arch=$_script_arch")
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}
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} else if (is_mac) {
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import("//build/config/mac/mac_sdk.gni")
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sysroot = mac_sdk_path
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} else if (is_ios) {
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import("//build/config/ios/ios_sdk.gni")
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sysroot = ios_sdk_path
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} else {
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sysroot = ""
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}
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