1 #!/bin/sh 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 17 set -e 18 19 mk="$@" 20 21 cat <<EOF > Makefile 22 CLVAR := FAIL 23 MFVAR := FAIL 24 FILEVAR := PASS 25 all: 26 @echo \$(ENVVAR) \$(origin ENVVAR) 27 @echo \$(MFVAR) \$(origin MFVAR) 28 @echo \$(CLVAR) \$(origin CLVAR) 29 @echo \$(FILEVAR) \$(origin FILEVAR) 30 EOF 31 32 export ENVVAR=PASS 33 export FILEVAR=FAIL 34 export MAKEFLAGS="MFVAR=PASS CLVAR=FAIL" 35 36 ${mk} CLVAR=PASS 2> /dev/null 37
