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# Copyright 2014 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.
import("//build/config/compiler/compiler.gni")
import("//build/config/sysroot.gni")
import("//build/toolchain/cros_toolchain.gni")
import("//build/toolchain/gcc_toolchain.gni")
# This is mostly identical to gcc_toolchain, but handles relativizing toolchain
# paths. This is needed for CrOS since these paths often change based on the
# environment. For example, cxx is a relative path picked up on $PATH in the
# chroot. But in Simple Chrome, cxx is a system-absolute path.
template("cros_toolchain") {
gcc_toolchain(target_name) {
forward_variables_from(invoker, "*")
# CrOS's target toolchain wrapper prefers to invoke gomacc itself, so pass
# it the gomacc path via cmd-line arg. Otherwise, for both CrOS's host
# wrapper (used in the ebuild) and Chrome's clang (used in Simple Chrome),
# prepend gomacc like normal.
if (use_goma && toolchain_args.needs_gomacc_path_arg) {
extra_cppflags += " --gomacc-path $goma_dir/gomacc"
}
if (use_rbe && toolchain_args.needs_gomacc_path_arg) {
extra_cppflags += " --gomacc-path $rbe_cros_cc_wrapper"
}
# Relativize path if compiler is specified such that not to lookup from $PATH
# and cc/cxx does not contain additional flags.
if (cc != get_path_info(cc, "file") && string_replace(cc, " ", "") == cc) {
cc = rebase_path(cc, root_build_dir)
}
if (cxx != get_path_info(cxx, "file") &&
string_replace(cxx, " ", "") == cxx) {
cxx = rebase_path(cxx, root_build_dir)
}
if (ar != get_path_info(ar, "file") && string_replace(ar, " ", "") == ar) {
ar = rebase_path(ar, root_build_dir)
}
if (ld != get_path_info(ld, "file") && string_replace(ld, " ", "") == ld) {
ld = rebase_path(ld, root_build_dir)
}
}
}
# This is the normal toolchain for most targets.
cros_toolchain("target") {
ar = cros_target_ar
cc = cros_target_cc
cxx = cros_target_cxx
ld = cros_target_ld
if (cros_target_nm != "") {
nm = cros_target_nm
}
if (cros_target_readelf != "") {
readelf = cros_target_readelf
}
extra_cflags = cros_target_extra_cflags
extra_cppflags = cros_target_extra_cppflags
extra_cxxflags = cros_target_extra_cxxflags
extra_ldflags = cros_target_extra_ldflags
toolchain_args = {
cc_wrapper = ""
needs_gomacc_path_arg = true
clang_use_chrome_plugins = false
target_cpu = target_cpu
current_os = "chromeos"
is_clang = is_clang
use_debug_fission = use_debug_fission
use_gold = use_gold
use_sysroot = use_sysroot
sysroot = target_sysroot
}
}
# This is a special toolchain needed just for the nacl_bootstrap target in
# //native_client/src/trusted/service_runtime/linux. It is identical
# to ":target" except that it forces use_debug_fission, use_gold, and
# use_sysroot off, and allows the user to set different sets of extra flags.
cros_toolchain("nacl_bootstrap") {
ar = cros_target_ar
cc = cros_target_cc
cxx = cros_target_cxx
ld = cros_target_ld
if (cros_target_nm != "") {
nm = cros_target_nm
}
if (cros_target_readelf != "") {
readelf = cros_target_readelf
}
extra_cflags = cros_nacl_bootstrap_extra_cflags
extra_cppflags = cros_nacl_bootstrap_extra_cppflags
extra_cxxflags = cros_nacl_bootstrap_extra_cxxflags
extra_ldflags = cros_nacl_bootstrap_extra_ldflags
toolchain_args = {
cc_wrapper = ""
needs_gomacc_path_arg = true
clang_use_chrome_plugins = false
target_cpu = target_cpu
current_os = "chromeos"
is_clang = is_clang
use_debug_fission = false
use_gold = false
use_sysroot = false
}
}
cros_toolchain("host") {
# These are args for the template.
ar = cros_host_ar
cc = cros_host_cc
cxx = cros_host_cxx
ld = cros_host_ld
if (cros_host_nm != "") {
nm = cros_host_nm
}
if (cros_host_readelf != "") {
readelf = cros_host_readelf
}
extra_cflags = cros_host_extra_cflags
extra_cppflags = cros_host_extra_cppflags
extra_cxxflags = cros_host_extra_cxxflags
extra_ldflags = cros_host_extra_ldflags
toolchain_args = {
cc_wrapper = ""
needs_gomacc_path_arg = false
clang_use_chrome_plugins = false
is_clang = cros_host_is_clang
target_cpu = host_cpu
current_os = "linux"
use_sysroot = use_sysroot
sysroot = cros_host_sysroot
}
}
cros_toolchain("v8_snapshot") {
# These are args for the template.
ar = cros_v8_snapshot_ar
cc = cros_v8_snapshot_cc
cxx = cros_v8_snapshot_cxx
ld = cros_v8_snapshot_ld
if (cros_v8_snapshot_nm != "") {
nm = cros_v8_snapshot_nm
}
if (cros_v8_snapshot_readelf != "") {
readelf = cros_v8_snapshot_readelf
}
extra_cflags = cros_v8_snapshot_extra_cflags
extra_cppflags = cros_v8_snapshot_extra_cppflags
extra_cxxflags = cros_v8_snapshot_extra_cxxflags
extra_ldflags = cros_v8_snapshot_extra_ldflags
toolchain_args = {
cc_wrapper = ""
needs_gomacc_path_arg = false
clang_use_chrome_plugins = false
is_clang = cros_v8_snapshot_is_clang
if (target_cpu == "x86" || target_cpu == "arm" || target_cpu == "mipsel") {
target_cpu = "x86"
} else {
target_cpu = "x64"
}
v8_target_cpu = v8_target_cpu
current_os = "linux"
use_sysroot = use_sysroot
sysroot = cros_v8_snapshot_sysroot
}
}
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