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#!/usr/bin/env bash
#===-- get-llvm-version.sh - Get LLVM Version from sources -----------------===#
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
#===------------------------------------------------------------------------===#
#
# Extract the current LLVM version from the CMake files.
#
#===------------------------------------------------------------------------===#
cmake_file=$(dirname $0)/../../../cmake/Modules/LLVMVersion.cmake
function usage() {
echo "usage: `basename $0`"
echo ""
echo "Calling this script with now options will output the full version: e.g. 19.1.0"
echo " --cmake-file Path to cmake file with the version (default: $cmake_file)
echo " You can use at most one of the following options:
echo " --major Print the major version."
echo " --minor Print the minor version."
echo " --patch Print the patch version."
}
print=""
while [ $# -gt 0 ]; do
case $1 in
--cmake-file )
shift
cmake_file="$1"
;;
--major)
if [ -n "$print" ]; then
echo "Only one of --major, --minor, --patch is allowed"
exit 1
fi
print="major"
;;
--minor)
if [ -n "$print" ]; then
echo "Only one of --major, --minor, --patch is allowed"
exit 1
fi
print="minor"
;;
--patch)
if [ -n "$print" ]; then
echo "Only one of --major, --minor, --patch is allowed"
exit 1
fi
print="patch"
;;
--help | -h | -\? )
usage
exit 0
;;
* )
echo "unknown option: $1"
usage
exit 1
;;
esac
shift
done
major=`grep -o 'LLVM_VERSION_MAJOR[[:space:]]\+\([0-9]\+\)' $cmake_file | grep -o '[0-9]\+'`
minor=`grep -o 'LLVM_VERSION_MINOR[[:space:]]\+\([0-9]\+\)' $cmake_file | grep -o '[0-9]\+'`
patch=`grep -o 'LLVM_VERSION_PATCH[[:space:]]\+\([0-9]\+\)' $cmake_file | grep -o '[0-9]\+'`
case $print in
major)
echo "$major"
;;
minor)
echo "$minor"
;;
patch)
echo "$patch"
;;
*)
echo "$major.$minor.$patch"
;;
esac
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