114 lines
3.8 KiB
Python
114 lines
3.8 KiB
Python
# Copyright 2019 The Pigweed Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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"""Pigweed build environment for bazel."""
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load(
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"//pw_build/bazel_internal:pigweed_internal.bzl",
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_add_defaults = "add_defaults",
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)
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def pw_cc_binary(**kwargs):
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"""Wrapper for cc_binary providing some defaults.
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Specifically, this wrapper,
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* Adds default copts.
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* Adds a dep on the pw_assert backend.
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* Sets "linkstatic" to True.
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* Disables header modules (via the feature -use_header_modules).
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Args:
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**kwargs: Passed to cc_binary.
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"""
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kwargs["deps"] = kwargs.get("deps", [])
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# TODO(b/234877642): Remove this implicit dependency once we have a better
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# way to handle the facades without introducing a circular dependency into
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# the build.
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kwargs["deps"] = kwargs["deps"] + ["@pigweed_config//:pw_assert_backend"]
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_add_defaults(kwargs)
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native.cc_binary(**kwargs)
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def pw_cc_library(**kwargs):
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"""Wrapper for cc_library providing some defaults.
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Specifically, this wrapper,
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* Adds default copts.
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* Sets "linkstatic" to True.
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* Disables header modules (via the feature -use_header_modules).
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Args:
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**kwargs: Passed to cc_library.
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"""
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_add_defaults(kwargs)
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native.cc_library(**kwargs)
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def pw_cc_test(**kwargs):
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"""Wrapper for cc_test providing some defaults.
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Specifically, this wrapper,
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* Adds default copts.
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* Adds a dep on the pw_assert backend.
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* Adds a dep on //pw_unit_test:simple_printing_main
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* Sets "linkstatic" to True.
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* Disables header modules (via the feature -use_header_modules).
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Args:
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**kwargs: Passed to cc_test.
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"""
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kwargs["deps"] = kwargs.get("deps", []) + \
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["@pigweed//pw_unit_test:simple_printing_main"]
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# TODO(b/234877642): Remove this implicit dependency once we have a better
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# way to handle the facades without introducing a circular dependency into
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# the build.
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kwargs["deps"] = kwargs["deps"] + ["@pigweed_config//:pw_assert_backend"]
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_add_defaults(kwargs)
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native.cc_test(**kwargs)
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def pw_cc_perf_test(**kwargs):
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"""A Pigweed performance test.
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This macro produces a cc_binary and,
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* Adds default copts.
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* Adds a dep on the pw_assert backend.
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* Adds a dep on //pw_perf_test:logging_main
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* Sets "linkstatic" to True.
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* Disables header modules (via the feature -use_header_modules).
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Args:
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**kwargs: Passed to cc_binary.
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"""
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kwargs["deps"] = kwargs.get("deps", []) + \
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["@pigweed//pw_perf_test:logging_main"]
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kwargs["deps"] = kwargs["deps"] + ["@pigweed_config//:pw_assert_backend"]
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_add_defaults(kwargs)
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native.cc_binary(**kwargs)
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def pw_cc_facade(**kwargs):
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# Bazel facades should be source only cc_library's this is to simplify
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# lazy header evaluation. Bazel headers are not 'precompiled' so the build
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# system does not check to see if the build has the right dependant headers
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# in the sandbox. If a source file is declared here and includes a header
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# file the toolchain will compile as normal and complain about the missing
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# backend headers.
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if "srcs" in kwargs.keys():
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fail("'srcs' attribute does not exist in pw_cc_facade, please use \
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main implementing target.")
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_add_defaults(kwargs)
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native.cc_library(**kwargs)
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