mirror of
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74 lines
2.1 KiB
Python
74 lines
2.1 KiB
Python
# Copyright 2024 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import print_function
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import os
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import pipes
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from waflib import ConfigSet, Options
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from waflib.Build import BuildContext
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from waflib.Configure import conf
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def load_lockfile(env, basepath):
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lockfile_path = os.path.join(basepath, Options.lockfile)
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try:
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env.load(lockfile_path)
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except IOError:
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raise ValueError('{} is not configured yet'.format(os.path.basename(os.getcwd())))
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except Exception:
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raise ValueError('Could not load {}'.format(lockfile_path))
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@conf
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def get_lockfile(ctx):
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env = ConfigSet.ConfigSet()
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try:
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load_lockfile(env, ctx.out_dir)
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except ValueError:
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try:
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load_lockfile(env, ctx.top_dir)
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except ValueError as err:
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ctx.fatal(str(err))
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return
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return env
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class show_configure(BuildContext):
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"""shows the last used configure command"""
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cmd = 'show_configure'
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def execute_build(ctx):
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env = ctx.get_lockfile()
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if not env:
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return
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argv = env.argv
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# Configure time environment vars
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for var in ['CFLAGS']:
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if var in env.environ:
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argv = ['{}={}'.format(var, pipes.quote(env.environ[var]))] + argv
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# Persistent environment vars
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for var in ['WAFLOCK']:
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if var in env.environ:
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argv = ['export {}={};'.format(var, pipes.quote(env.environ[var]))] + argv
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# Print and force waf to complete without further output
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print(' '.join(argv))
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exit()
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