| # Copyright 2020 The Tint Authors. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| declare_args() { |
| # Tell Tint and dependencies to not do Chromium-specific things |
| build_with_chromium = false |
| |
| # In standalone Tint builds, don't try to use the hermetic install of Xcode |
| # that Chromium uses |
| use_system_xcode = "" |
| |
| # Android 32-bit non-component, non-clang builds cannot have symbol_level=2 |
| # due to 4GiB file size limit, see https://crbug.com/648948. |
| ignore_elf32_limitations = false |
| } |
| |
| # Enables assertions on safety checks in libc++. |
| enable_safe_libcxx = true |
| |
| # Detect whether we can use the hermetic XCode like in Chromium and do so if |
| # possible. |
| if (host_os == "mac" && use_system_xcode == "") { |
| _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 != 1 |
| } |