#!/bin/bash
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#
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# Copyright 2018 Google Inc. All rights reserved
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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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set -u
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mk="$@"
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function build() {
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cat <<EOF > Makefile
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FOO $1$= bar
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FOO $2 baz
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all:
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EOF
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echo "Testcase: $1 $2"
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if echo "${mk}" | grep -q "^make"; then
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# Make doesn't support final assignment
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echo "Makefile:2: *** cannot assign to readonly variable: FOO"
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else
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${mk} 2>&1 && echo "Clean exit"
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fi
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}
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build "=" "="
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build "=" ":="
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build "=" "+="
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build ":=" ":="
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build ":=" "+="
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build ":=" "="
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build "+=" ":="
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build "+=" "+="
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build "+=" "="
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