Tomcat example source code file (buildconf)

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The Tomcat buildconf source code

#!/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.
#
#

# Default place to look for apr source.  Can be overridden with 
#   --with-apr=[directory]
apr_src_dir=`pwd`/srclib/apr-1.2.7

while test $# -gt 0 
do
  # Normalize
  case "$1" in
  -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
  *) optarg= ;;
  esac

  case "$1" in
  --with-apr=*)
  apr_src_dir=$optarg
  ;;
  esac

  shift
done

if test -d "$apr_src_dir"
then
  echo ""
  echo "Looking for apr source in $apr_src_dir"
else
  echo ""
  echo "Problem finding apr source in $apr_src_dir."
  echo "Use:"
  echo "  --with-apr=[directory]" 
  exit 1
fi

# Remove some files, then copy them from apr source tree
rm -f build/apr_common.m4 build/find_apr.m4 build/install.sh \
      build/config.guess build/config.sub
cp $apr_src_dir/build/apr_common.m4 $apr_src_dir/build/find_apr.m4 \
   $apr_src_dir/build/install.sh $apr_src_dir/build/config.guess  \
   $apr_src_dir/build/config.sub build

# Remove aclocal.m4 as it'll break some builds...
rm -rf aclocal.m4 autom4te*.cache

echo "Creating configure ..."
### do some work to toss config.cache?
if ${AUTOCONF:-autoconf}; then
  :
else
  echo "autoconf failed"
  exit 1
fi

#
# Generate build-outputs.mk for the build systme
#
echo "Generating 'make' outputs ..."
$apr_src_dir/build/gen-build.py make

# Remove autoconf cache again
rm -rf autom4te*.cache

# Create RPM Spec file
if [ -f `which cut` ]; then
  echo rebuilding rpm spec file
  ( REVISION=`build/get-version.sh all include/tcn_version.h TCN`
    VERSION=`echo $REVISION | cut -d- -s -f1`
    RELEASE=`echo $REVISION | cut -d- -s -f2`
    if [ "x$VERSION" = "x" ]; then
      VERSION=$REVISION
      RELEASE=1
    fi
    cat ./build/rpm/tcnative.spec.in | \
    sed -e "s/TCN_VERSION/$VERSION/" \
        -e "s/TCN_RELEASE/$RELEASE/" \
    > tcnative.spec )
fi