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