| #!/bin/sh |
| # |
| # Copyright 2016 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 -e |
| |
| mk="$@" |
| |
| cat <<EOF > Makefile |
| CLVAR := FAIL |
| MFVAR := FAIL |
| FILEVAR := PASS |
| all: |
| @echo \$(ENVVAR) \$(origin ENVVAR) |
| @echo \$(MFVAR) \$(origin MFVAR) |
| @echo \$(CLVAR) \$(origin CLVAR) |
| @echo \$(FILEVAR) \$(origin FILEVAR) |
| EOF |
| |
| export ENVVAR=PASS |
| export FILEVAR=FAIL |
| export MAKEFLAGS="MFVAR=PASS CLVAR=FAIL" |
| |
| ${mk} CLVAR=PASS 2> /dev/null |