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-rwxr-xr-xAPACHE_1_3_42/src/helpers/checkheader.sh46
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diff --git a/APACHE_1_3_42/src/helpers/checkheader.sh b/APACHE_1_3_42/src/helpers/checkheader.sh
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index 0000000000..a3fccc781c
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+++ b/APACHE_1_3_42/src/helpers/checkheader.sh
@@ -0,0 +1,46 @@
+#!/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
+