mirror of
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102 lines
3.6 KiB
Plaintext
102 lines
3.6 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 linux sysroot images
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target_sysroot_dir = "//build/linux"
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use_sysroot = current_cpu == "x86" || current_cpu == "x64" ||
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current_cpu == "arm" || current_cpu == "arm64" ||
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current_cpu == "mipsel" || current_cpu == "mips64el"
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}
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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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# Android uses unified headers, and thus a single compile time sysroot
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sysroot = "$android_ndk_root/sysroot"
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} else if (is_linux && use_sysroot) {
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# By default build against a sysroot image downloaded from Cloud Storage
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# during gclient runhooks.
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if (current_cpu == "x64") {
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sysroot = "$target_sysroot_dir/debian_sid_amd64-sysroot"
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} else if (current_cpu == "x86") {
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sysroot = "$target_sysroot_dir/debian_sid_i386-sysroot"
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} else if (current_cpu == "mipsel") {
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sysroot = "$target_sysroot_dir/debian_sid_mips-sysroot"
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} else if (current_cpu == "mips64el") {
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sysroot = "$target_sysroot_dir/debian_sid_mips64el-sysroot"
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} else if (current_cpu == "arm") {
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sysroot = "$target_sysroot_dir/debian_sid_arm-sysroot"
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} else if (current_cpu == "arm64") {
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sysroot = "$target_sysroot_dir/debian_sid_arm64-sysroot"
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} else {
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assert(false, "No linux sysroot for cpu: $target_cpu")
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}
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if (sysroot != "") {
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_script_arch = current_cpu
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if (_script_arch == "x86") {
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_script_arch = "i386"
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} else if (_script_arch == "x64") {
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_script_arch = "amd64"
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}
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assert(
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exec_script("//build/dir_exists.py",
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[ rebase_path(sysroot) ],
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"string") == "True",
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"Missing sysroot ($sysroot). To fix, run: build/linux/sysroot_scripts/install-sysroot.py --arch=$_script_arch")
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}
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} else if (is_mac) {
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import("//build/config/mac/mac_sdk.gni")
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sysroot = mac_sdk_path
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} else if (is_ios) {
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import("//build/config/ios/ios_sdk.gni")
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sysroot = ios_sdk_path
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} else if (is_fuchsia) {
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import("//build/config/fuchsia/config.gni")
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if (current_cpu == "arm64" || current_cpu == "x64") {
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sysroot = fuchsia_sdk + "/arch/$current_cpu/sysroot"
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} else {
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sysroot = ""
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}
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} else {
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sysroot = ""
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}
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if (is_android) {
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# Android uses unified headers in NDK r16 and later, meaning that the
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# compile time sysroot and link time sysroot are different
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link_sysroot = sysroot
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if (current_cpu == "arm") {
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link_sysroot = "$android_ndk_root/$arm_android_sysroot_subdir"
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} else if (current_cpu == "arm64") {
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link_sysroot = "$android_ndk_root/$arm64_android_sysroot_subdir"
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} else if (current_cpu == "x86") {
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link_sysroot = "$android_ndk_root/$x86_android_sysroot_subdir"
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} else if (current_cpu == "x64") {
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link_sysroot = "$android_ndk_root/$x86_64_android_sysroot_subdir"
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} else if (current_cpu == "mipsel") {
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link_sysroot = "$android_ndk_root/$mips_android_sysroot_subdir"
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} else if (current_cpu == "mips64el") {
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link_sysroot = "$android_ndk_root/$mips64_android_sysroot_subdir"
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} else {
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assert(false, "No android link sysroot for cpu: $target_cpu")
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}
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} else {
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link_sysroot = sysroot
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}
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