brotli/compiler_config_setting.bzl
Evgenii Kliuchnikov 6db17c87f5 0.4-1.5% decoder speedup
PiperOrigin-RevId: 513248503
2023-07-04 07:53:20 +00:00

29 lines
1.0 KiB
Python

# Copyright 2018 Google Inc. All Rights Reserved.
#
# Distributed under MIT license.
# See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
"""Creates config_setting that allows selecting based on 'compiler' value."""
def create_msvc_config():
# The "do_not_use_tools_cpp_compiler_present" attribute exists to
# distinguish between older versions of Bazel that do not support
# "@bazel_tools//tools/cpp:compiler" flag_value, and newer ones that do.
# In the future, the only way to select on the compiler will be through
# flag_values{"@bazel_tools//tools/cpp:compiler"} and the else branch can
# be removed.
if hasattr(cc_common, "do_not_use_tools_cpp_compiler_present"):
native.config_setting(
name = "msvc",
flag_values = {
"@bazel_tools//tools/cpp:compiler": "msvc-cl",
},
visibility = ["//visibility:public"],
)
else:
native.config_setting(
name = "msvc",
values = {"compiler": "msvc-cl"},
visibility = ["//visibility:public"],
)