| #!/bin/bash |
| # |
| # Copyright 2018 Google Inc. 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. |
| |
| set -u |
| |
| mk="$@" |
| |
| if echo "${mk}" | grep -q "^make"; then |
| # Make doesn't support final assignment |
| echo "Makefile:3: *** cannot assign to readonly variable: FOO" |
| else |
| cat <<EOF > Makefile |
| all: FOO :=$= bar |
| FOO +=$= foo |
| all: FOO +=$= baz |
| all: |
| EOF |
| |
| ${mk} 2>&1 && echo "Clean exit" |
| fi |
