| #!/bin/sh |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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. |
| # |
| # |
| # checkheader.sh -- Check whether a C header file exists |
| # Initially written by Ralf S. Engelschall for the Apache |
| # configuration mechanism |
| |
| header=$1 |
| rc=1 |
| if [ "x$CPP" = "x" ]; then |
| CPP='NOT-AVAILABLE' |
| fi |
| if [ "x$CPP" != "xNOT-AVAILABLE" ]; then |
| # create a test C source |
| cat >conftest.c <<EOF |
| #include <$header> |
| Syntax Error |
| EOF |
| (eval "$CPP conftest.c >/dev/null") 2>conftest.out |
| my_error=`grep -v '^ *+' conftest.out` |
| if [ "x$my_error" = "x" ]; then |
| rc=0 |
| fi |
| else |
| if [ -f "/usr/include/$header" ]; then |
| rc=0 |
| fi |
| fi |
| rm -f conftest.* |
| exit $rc |
| |