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# Copyright 2018 The Bazel Authors. All rights reserved.
#
# 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.
"""Starlark rules for building C++ projects."""
load("//cc/private/rules_impl:cc_flags_supplier.bzl", _cc_flags_supplier = "cc_flags_supplier")
load("//cc/private/rules_impl:compiler_flag.bzl", _compiler_flag = "compiler_flag")
load("//cc/private/rules_impl:native.bzl", "NativeCcInfo", "NativeCcToolchainConfigInfo", "NativeDebugPackageInfo", "native_cc_common")
_MIGRATION_TAG = "__CC_RULES_MIGRATION_DO_NOT_USE_WILL_BREAK__"
# TODO(bazel-team): To avoid breaking changes, if the below are no longer
# forwarding to native rules, flag @bazel_tools@bazel_tools//tools/cpp:link_extra_libs
# should either: (a) alias the flag @rules_cc//:link_extra_libs, or (b) be
# added as a dependency to @rules_cc//:link_extra_lib. The intermediate library
# @bazel_tools@bazel_tools//tools/cpp:link_extra_lib should either be added as a dependency
# to @rules_cc//:link_extra_lib, or removed entirely (if possible).
_LINK_EXTRA_LIB = "@rules_cc//:link_extra_lib" # copybara-use-repo-external-label
def _add_tags(attrs, is_binary = False):
if "tags" in attrs and attrs["tags"] != None:
attrs["tags"] = attrs["tags"] + [_MIGRATION_TAG]
else:
attrs["tags"] = [_MIGRATION_TAG]
if is_binary:
is_library = "linkshared" in attrs and attrs["linkshared"]
# Executable builds also include the "link_extra_lib" library.
if not is_library:
if "deps" in attrs and attrs["deps"] != None:
attrs["deps"] = attrs["deps"] + [_LINK_EXTRA_LIB]
else:
attrs["deps"] = [_LINK_EXTRA_LIB]
return attrs
def cc_binary(**attrs):
"""Bazel cc_binary rule.
https://docs.bazel.build/versions/main/be/c-cpp.html#cc_binary
Args:
**attrs: Rule attributes
"""
# buildifier: disable=native-cc
native.cc_binary(**_add_tags(attrs, True))
def cc_test(**attrs):
"""Bazel cc_test rule.
https://docs.bazel.build/versions/main/be/c-cpp.html#cc_test
Args:
**attrs: Rule attributes
"""
# buildifier: disable=native-cc
native.cc_test(**_add_tags(attrs, True))
def cc_library(**attrs):
"""Bazel cc_library rule.
https://docs.bazel.build/versions/main/be/c-cpp.html#cc_library
Args:
**attrs: Rule attributes
"""
# buildifier: disable=native-cc
native.cc_library(**_add_tags(attrs))
def cc_import(**attrs):
"""Bazel cc_import rule.
https://docs.bazel.build/versions/main/be/c-cpp.html#cc_import
Args:
**attrs: Rule attributes
"""
# buildifier: disable=native-cc
native.cc_import(**_add_tags(attrs))
def cc_proto_library(**attrs):
"""Bazel cc_proto_library rule.
https://docs.bazel.build/versions/main/be/c-cpp.html#cc_proto_library
Args:
**attrs: Rule attributes
"""
# buildifier: disable=native-cc
native.cc_proto_library(**_add_tags(attrs))
def fdo_prefetch_hints(**attrs):
"""Bazel fdo_prefetch_hints rule.
https://docs.bazel.build/versions/main/be/c-cpp.html#fdo_prefetch_hints
Args:
**attrs: Rule attributes
"""
# buildifier: disable=native-cc
native.fdo_prefetch_hints(**_add_tags(attrs))
def fdo_profile(**attrs):
"""Bazel fdo_profile rule.
https://docs.bazel.build/versions/main/be/c-cpp.html#fdo_profile
Args:
**attrs: Rule attributes
"""
# buildifier: disable=native-cc
native.fdo_profile(**_add_tags(attrs))
def cc_toolchain(**attrs):
"""Bazel cc_toolchain rule.
https://docs.bazel.build/versions/main/be/c-cpp.html#cc_toolchain
Args:
**attrs: Rule attributes
"""
# buildifier: disable=native-cc
native.cc_toolchain(**_add_tags(attrs))
def cc_toolchain_suite(**attrs):
"""Bazel cc_toolchain_suite rule.
https://docs.bazel.build/versions/main/be/c-cpp.html#cc_toolchain_suite
Args:
**attrs: Rule attributes
"""
# buildifier: disable=native-cc
native.cc_toolchain_suite(**_add_tags(attrs))
def objc_library(**attrs):
"""Bazel objc_library rule.
https://docs.bazel.build/versions/main/be/objective-c.html#objc_library
Args:
**attrs: Rule attributes
"""
# buildifier: disable=native-cc
native.objc_library(**_add_tags(attrs))
def objc_import(**attrs):
"""Bazel objc_import rule.
https://docs.bazel.build/versions/main/be/objective-c.html#objc_import
Args:
**attrs: Rule attributes
"""
# buildifier: disable=native-cc
native.objc_import(**_add_tags(attrs))
def cc_flags_supplier(**attrs):
"""Bazel cc_flags_supplier rule.
Args:
**attrs: Rule attributes
"""
_cc_flags_supplier(**_add_tags(attrs))
def compiler_flag(**attrs):
"""Bazel compiler_flag rule.
Args:
**attrs: Rule attributes
"""
_compiler_flag(**_add_tags(attrs))
cc_common = native_cc_common
CcInfo = NativeCcInfo
CcToolchainConfigInfo = NativeCcToolchainConfigInfo
DebugPackageInfo = NativeDebugPackageInfo
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