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#!/bin/bash
#
# 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
#
# https://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.
#
# This script is used to generate version numbers for autotools
#
# The information for libtool is maintained manually since
# the public API for the C library can change independent of the project
#
# Do each of these steps in order and libtool will do the right thing
# (1) If there are changes to libavro:
# libavro_micro_version++
# libavro_interface_age++
# libavro_binary_age++
# (2) If any functions have been added:
# libavro_interface_age = 0
# (3) If backwards compatibility has been broken:
# libavro_binary_age = 0
# libavro_interface_age = 0
#
libavro_micro_version=23
libavro_interface_age=0
libavro_binary_age=0
# IGNORE EVERYTHING ELSE FROM HERE DOWN.........
if test $# != 1; then
echo "USAGE: $0 CMD"
echo " where CMD is one of: project, libtool, libcurrent, librevision, libage"
exit 1
fi
# https://www.sourceware.org/autobook/autobook/autobook_91.html
# 'Current' is the most recent interface number that this library implements
libcurrent=$(($libavro_micro_version - $libavro_interface_age))
# The implementation number of the 'current' interface
librevision=$libavro_interface_age
# The difference between the newest and oldest interfaces that this library implements
# In other words, the library implements all the interface numbers in the range from
# number 'current - age' to current
libage=$(($libavro_binary_age - $libavro_interface_age))
if test "$1" = "project"; then
project_ver="undef"
version_file="VERSION.txt"
if test -f $version_file; then
project_ver=$(cat $version_file)
else
version_file="../../share/VERSION.txt"
if test -f $version_file; then
project_ver=$(cat $version_file)
fi
fi
printf "%s" $project_ver
elif test "$1" = "libtool"; then
# useful for the -version-info flag for libtool
printf "%d:%d:%d" $libcurrent $librevision $libage
elif test "$1" = "libcurrent"; then
printf "%d" $libcurrent
elif test "$1" = "librevision"; then
printf "%d" $librevision
elif test "$1" = "libage"; then
printf "%d" $libage
fi
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