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# Copyright 2016 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.
""""Respositry rules for converting Makefile-based projects to Bazel."""
def _impl(ctx):
"""Downloads, extracts, and runs configure && make on an archive."""
ctx.download_and_extract(
url = ctx.attr.urls,
stripPrefix = ctx.attr.strip_prefix,
sha256 = ctx.attr.sha256,
)
result = ctx.execute(['./configure'])
if result.return_code != 0:
print(result.stdout)
print(result.stderr)
fail('error running configure')
# TODO(kchodorow): allow specifying make rules here.
result = ctx.execute(['make'])
if result.return_code != 0:
print(result.stdout)
print(result.stderr)
fail('error running make')
# Check that all expected files were created.
missing_files = []
for f in ctx.attr.exports:
if not ctx.path(f).exists:
missing_files += [f]
if missing_files:
fail('file(s) %s were not created' % ', '.join(missing_files))
ctx.file('WORKSPACE', """
# Automatically generated WORKSPACE file.
workspace(name = 'name')
""".format(name = ctx.name))
ctx.file('BUILD', """
exports_files({exports})
{build_file_content}
""".format(
exports = ctx.attr.exports,
build_file_content = ctx.attr.build_file_content))
make = repository_rule(
implementation = _impl,
attrs = {
'urls':attr.string_list(mandatory = True),
'exports':attr.string_list(mandatory = True),
'strip_prefix':attr.string(default = ''),
'sha256':attr.string(default = ''),
'build_file_content':attr.string(default = ''),
}
)
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