blob: 1d2a2207eeb55d4718c42b69b99227446e5c6f3d [file] [log] [blame]
# Copyright (c) 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# This header file defines the "sysroot" variable which is the absolute path
# of the sysroot. If no sysroot applies, the variable will be an empty string.
import("//build/config/chrome_build.gni")
declare_args() {
# The absolute path of the sysroot that is applied when compiling using
# the target toolchain.
target_sysroot = ""
# The absolute path to directory containing linux sysroot images
target_sysroot_dir = "//build/linux"
use_sysroot =
current_cpu == "x86" || current_cpu == "x64" || current_cpu == "arm" ||
current_cpu == "arm64" || current_cpu == "mipsel"
}
if (current_os == target_os && current_cpu == target_cpu &&
target_sysroot != "") {
sysroot = target_sysroot
} else if (is_android) {
import("//build/config/android/config.gni")
if (current_cpu == "x86") {
sysroot = "$android_ndk_root/$x86_android_sysroot_subdir"
} else if (current_cpu == "arm") {
sysroot = "$android_ndk_root/$arm_android_sysroot_subdir"
} else if (current_cpu == "mipsel") {
sysroot = "$android_ndk_root/$mips_android_sysroot_subdir"
} else if (current_cpu == "x64") {
sysroot = "$android_ndk_root/$x86_64_android_sysroot_subdir"
} else if (current_cpu == "arm64") {
sysroot = "$android_ndk_root/$arm64_android_sysroot_subdir"
} else if (current_cpu == "mips64el") {
sysroot = "$android_ndk_root/$mips64_android_sysroot_subdir"
} else {
assert(false, "No android sysroot for cpu: $target_cpu")
}
} else if (is_linux && use_sysroot) {
# By default build against a sysroot image downloaded from Cloud Storage
# during gclient runhooks.
if (current_cpu == "x64") {
sysroot = "$target_sysroot_dir/debian_jessie_amd64-sysroot"
} else if (current_cpu == "x86") {
sysroot = "$target_sysroot_dir/debian_jessie_i386-sysroot"
} else if (current_cpu == "mipsel") {
sysroot = "$target_sysroot_dir/debian_jessie_mips-sysroot"
} else if (current_cpu == "arm") {
sysroot = "$target_sysroot_dir/debian_jessie_arm-sysroot"
} else if (current_cpu == "arm64") {
sysroot = "$target_sysroot_dir/debian_jessie_arm64-sysroot"
} else {
assert(false, "No linux sysroot for cpu: $target_cpu")
}
if (sysroot != "") {
_script_arch = current_cpu
if (_script_arch == "x86") {
_script_arch = "i386"
} else if (_script_arch == "x64") {
_script_arch = "amd64"
}
assert(
exec_script("//build/dir_exists.py",
[ rebase_path(sysroot) ],
"string") == "True",
"Missing sysroot ($sysroot). To fix, run: build/linux/sysroot_scripts/install-sysroot.py --arch=$_script_arch")
}
} else if (is_mac) {
import("//build/config/mac/mac_sdk.gni")
sysroot = mac_sdk_path
} else if (is_ios) {
import("//build/config/ios/ios_sdk.gni")
sysroot = ios_sdk_path
} else if (is_fuchsia) {
import("//build/config/fuchsia/config.gni")
if (current_cpu == "arm64") {
sysroot = fuchsia_sdk + "/sysroot/aarch64-fuchsia"
} else if (current_cpu == "x64") {
sysroot = fuchsia_sdk + "/sysroot/x86_64-fuchsia"
} else {
sysroot = ""
}
sysroot_stamp = rebase_path("$sysroot/.stamp")
sysroot_version = read_file(sysroot_stamp, "trim string")
} else {
sysroot = ""
}