v8/build_overrides/build.gni
Michael Achenbach 561e517528 [build] Dynamically decide if to use system xcode
This enables the recipe to set FORCE_MAC_TOOLCHAIN and decide if hermetic
or system xcode is used.

TBR=tmrts@chromium.org

Bug: chromium:986701
Change-Id: I2c1ba75d5d62e493bd9dc7a5ec5f7e40465d8f98
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1722557
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62947}
2019-07-29 08:20:24 +00:00

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# Copyright 2016 The V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Variable that can be used to support multiple build scenarios, like having
# Chromium specific targets in a client project's GN file etc.
build_with_chromium = false
# Used by perfetto to distinguish from its own standalone build and the
# chromium build.
perfetto_build_with_embedder = true
# When embedding perfetto, its build files need to know in which BUILD.gn file
# the embedder (v8) declared the protobuf targets. In the v8 case they are
# declared in the root v8/BUILD.gn.
perfetto_protobuf_target_prefix = "//"
perfetto_protobuf_gni = "//gni/proto_library.gni"
# Uncomment these to specify a different NDK location and version in
# non-Chromium builds.
# default_android_ndk_root = "//third_party/android_ndk"
# default_android_ndk_version = "r10e"
# Some non-Chromium builds don't support building java targets.
enable_java_templates = false
# Some non-Chromium builds don't use Chromium's third_party/binutils.
linux_use_bundled_binutils_override = true
# Allows different projects to specify their own suppressions files.
asan_suppressions_file = "//build/sanitizers/asan_suppressions.cc"
lsan_suppressions_file = "//build/sanitizers/lsan_suppressions.cc"
tsan_suppressions_file = "//build/sanitizers/tsan_suppressions.cc"
# Skip assertions about 4GiB file size limit.
ignore_elf32_limitations = true
if (host_os == "mac") {
_result = exec_script("//build/mac/should_use_hermetic_xcode.py",
[ target_os ],
"value")
assert(_result != 2,
"Do not allow building targets with the default" +
"hermetic toolchain if the minimum OS version is not met.")
assert(_result != 3,
"iOS does not support building with a hermetic toolchain. " +
"Please install Xcode.")
use_system_xcode = _result == 0
}