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# -*- autoconf -*-
# 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.
m4_ifndef([AS_VAR_COPY],
[m4_define([AS_VAR_COPY],
[AS_LITERAL_IF([$1[]$2], [$1=$$2], [eval $1=\$$2])])])
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