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80 lines
3.0 KiB
Plaintext
80 lines
3.0 KiB
Plaintext
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# Copyright 2013 The Chromium Authors
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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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declare_args() {
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# The path of the sysroot that is applied when compiling using the target
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# toolchain.
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target_sysroot = ""
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# The path to directory containing linux sysroot images.
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target_sysroot_dir = "//build/linux"
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# The path of the sysroot for the current toolchain. If empty, default
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# sysroot is used.
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sysroot = ""
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# Controls default is_linux sysroot. If set to true, and sysroot
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# is empty, default sysroot is calculated.
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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 (sysroot == "") {
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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 = "$android_toolchain_root/sysroot"
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} else if ((is_linux || is_chromeos) && use_sysroot) {
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# By default build against a sysroot image downloaded from Cloud Storage
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# during gclient runhooks.
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if (current_cpu == "x64") {
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sysroot = "$target_sysroot_dir/debian_bullseye_amd64-sysroot"
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} else if (current_cpu == "x86") {
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sysroot = "$target_sysroot_dir/debian_bullseye_i386-sysroot"
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} else if (current_cpu == "mipsel") {
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sysroot = "$target_sysroot_dir/debian_bullseye_mips-sysroot"
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} else if (current_cpu == "mips64el") {
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sysroot = "$target_sysroot_dir/debian_bullseye_mips64el-sysroot"
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} else if (current_cpu == "arm") {
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sysroot = "$target_sysroot_dir/debian_bullseye_arm-sysroot"
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} else if (current_cpu == "arm64") {
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sysroot = "$target_sysroot_dir/debian_bullseye_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=$_script_arch")
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}
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} else if (is_mac) {
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import("//build/config/mac/mac_sdk.gni")
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sysroot = mac_sdk_path
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} else if (is_ios) {
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import("//build/config/ios/ios_sdk.gni")
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sysroot = ios_sdk_path
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} else if (is_fuchsia) {
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if (current_cpu == "arm64" || current_cpu == "x64") {
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sysroot = "//third_party/fuchsia-sdk/sdk/arch/$current_cpu/sysroot"
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}
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}
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}
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