1#!/bin/bash
2#
3# Copyright 2016 Google Inc. All rights reserved
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#      http:#www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17set -u
18
19mk="$@"
20
21function build() {
22  cat <<EOF > Makefile
23FOO $1 bar
24.KATI_READONLY $2 FOO
25FOO $3 baz
26all:
27EOF
28
29  echo "Testcase: $1 $2 $3"
30  if echo "${mk}" | grep -q "^make"; then
31    # Make doesn't support .KATI_READONLY
32    echo "Makefile:3: *** cannot assign to readonly variable: FOO"
33  else
34    ${mk} 2>&1 && echo "Clean exit"
35  fi
36}
37
38build "=" "=" "="
39build "=" "+=" "="
40build "=" ":=" "="
41
42build "=" ":=" ":="
43build "=" ":=" "+="
44
45build ":=" ":=" ":="
46build ":=" ":=" "+="
47build ":=" ":=" "="
48