1# Copyright 2018 The Bazel Authors. All rights reserved. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14"""Rule that provides the CC_FLAGS Make variable.""" 15 16load("//cc:action_names.bzl", "CC_FLAGS_MAKE_VARIABLE_ACTION_NAME") 17load("//cc:find_cc_toolchain.bzl", "find_cpp_toolchain", "use_cc_toolchain") 18load("//cc/private/rules_impl:cc_flags_supplier_lib.bzl", "build_cc_flags") 19 20def _cc_flags_supplier_impl(ctx): 21 cc_toolchain = find_cpp_toolchain(ctx) 22 cc_flags = build_cc_flags(ctx, cc_toolchain, CC_FLAGS_MAKE_VARIABLE_ACTION_NAME) 23 variables = platform_common.TemplateVariableInfo({ 24 "CC_FLAGS": cc_flags, 25 }) 26 return [variables] 27 28cc_flags_supplier = rule( 29 implementation = _cc_flags_supplier_impl, 30 attrs = { 31 "_cc_toolchain": attr.label(default = Label("@rules_cc//cc:current_cc_toolchain")), 32 }, 33 toolchains = use_cc_toolchain(), 34 fragments = ["cpp"], 35) 36