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69ad1929c4
This change defines a template that allows listing input file dependencies in a build target that does not output anything. This code code was previously inlined in pw_docgen but is extracted into a general template for use elsewhere. The pw_build module docs are expanded to describe the GN templates provided by the module. Change-Id: I5f2624c792dccb47c379727285f22f05eb05dfdf
37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
# 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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import("python_script.gni")
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# Creates an action that doesn't do anything that depends on a list of input
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# files. This allows modifications to these files to trigger targets depending
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# on this group to rebuild.
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#
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# This is typically used for targets that don't output any artifacts (e.g.
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# metadata-only targets) which list input files relevant to the build.
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template("pw_input_group") {
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assert(defined(invoker.inputs), "pw_input_group requires some inputs")
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pw_python_script(target_name) {
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ignore_vars = [
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"args",
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"script",
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"stamp",
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]
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forward_variables_from(invoker, "*", ignore_vars)
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script = "$dir_pw_build/py/nop.py"
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stamp = true
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}
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}
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