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FindSWIG.cmake
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FindSWIG.cmake
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#.rst:
# FindSWIG
# --------
#
# Find SWIG
#
# This module finds an installed SWIG. It sets the following variables:
#
# ::
#
# SWIG_FOUND - set to true if SWIG is found
# SWIG_DIR - the directory where swig is installed
# SWIG_EXECUTABLE - the path to the swig executable
# SWIG_VERSION - the version number of the swig executable
#
#
#
# The minimum required version of SWIG can be specified using the
# standard syntax, e.g. find_package(SWIG 1.1)
#
# All information is collected from the SWIG_EXECUTABLE so the version
# to be found can be changed from the command line by means of setting
# SWIG_EXECUTABLE
#=============================================================================
# Copyright 2004-2009 Kitware, Inc.
# Copyright 2011 Mathieu Malaterre <[email protected]>
# Copyright 2014 Sylvain Joubert <[email protected]>
#
# 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 the names of Kitware, Inc., the Insight Software Consortium,
# nor the names of their 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 COPYRIGHT
# HOLDER 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.
find_program(SWIG_EXECUTABLE NAMES swig4.0 swig3.0 swig2.0 swig)
if(SWIG_EXECUTABLE)
execute_process(COMMAND ${SWIG_EXECUTABLE} -swiglib
OUTPUT_VARIABLE SWIG_swiglib_output
ERROR_VARIABLE SWIG_swiglib_error
RESULT_VARIABLE SWIG_swiglib_result)
if(SWIG_swiglib_result)
if(SWIG_FIND_REQUIRED)
message(SEND_ERROR "Command \"${SWIG_EXECUTABLE} -swiglib\" failed with output:\n${SWIG_swiglib_error}")
else()
message(STATUS "Command \"${SWIG_EXECUTABLE} -swiglib\" failed with output:\n${SWIG_swiglib_error}")
endif()
else()
string(REGEX REPLACE "[\n\r]+" ";" SWIG_swiglib_output ${SWIG_swiglib_output})
find_path(SWIG_DIR swig.swg PATHS ${SWIG_swiglib_output} NO_CMAKE_FIND_ROOT_PATH)
if(SWIG_DIR)
set(SWIG_USE_FILE UseSWIG)
execute_process(COMMAND ${SWIG_EXECUTABLE} -version
OUTPUT_VARIABLE SWIG_version_output
ERROR_VARIABLE SWIG_version_output
RESULT_VARIABLE SWIG_version_result)
if(SWIG_version_result)
message(SEND_ERROR "Command \"${SWIG_EXECUTABLE} -version\" failed with output:\n${SWIG_version_output}")
else()
string(REGEX REPLACE ".*SWIG Version[^0-9.]*\([0-9.]+\).*" "\\1"
SWIG_version_output "${SWIG_version_output}")
set(SWIG_VERSION ${SWIG_version_output} CACHE STRING "Swig version" FORCE)
endif()
endif()
endif()
endif()
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SWIG REQUIRED_VARS SWIG_EXECUTABLE SWIG_DIR
VERSION_VAR SWIG_VERSION )
mark_as_advanced(SWIG_DIR SWIG_VERSION)