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FindExprTk.cmake
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FindExprTk.cmake
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cmake_minimum_required(VERSION 3.7.2)
# Program: Visualization Toolkit
# Module: Copyright.txt
# Copyright (c) 1993-2015 Ken Martin, Will Schroeder, Bill Lorensen
# All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
# of any contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# - Try to find ExprTk lib
#
# This module supports requiring a minimum version, e.g. you can do
# find_package(ExprTk 2.71828)
# to require version 2.71828 or newer of ExprTk.
#
# Once done this will define
#
# ExprTk_FOUND - system has eigen lib with correct version
# ExprTk_INCLUDE_DIRS - the eigen include directory
# ExprTk_VERSION - eigen version
#
# And the following imported target:
#
# ExprTk::ExprTk
find_path(ExprTk_INCLUDE_DIR
NAMES exprtk.hpp
DOC "Path to ExprTk header")
mark_as_advanced(ExprTk_INCLUDE_DIR)
if (ExprTk_INCLUDE_DIR)
file(STRINGS "${ExprTk_INCLUDE_DIR}/exprtk.hpp" _exprtk_version_header
REGEX "static const char\\* version")
string(REGEX MATCH "static const char\\* version = \"([0-9.]+)\"" _exprtk_version_match "${_exprtk_version_header}")
set(ExprTk_VERSION "${CMAKE_MATCH_1}")
unset(_exprtk_version_header)
unset(_exprtk_version_match)
endif ()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(ExprTk
REQUIRED_VARS ExprTk_INCLUDE_DIR
VERSION_VAR ExprTk_VERSION)
if (ExprTk_FOUND)
set(ExprTk_INCLUDE_DIRS "${ExprTk_INCLUDE_DIR}")
if (NOT TARGET ExprTk::ExprTk)
add_library(ExprTk::ExprTk INTERFACE IMPORTED)
set_target_properties(ExprTk::ExprTk PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${ExprTk_INCLUDE_DIR}")
endif ()
endif ()