2016-06-30 15:03:09 +00:00
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#.rst:
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# FindSWIG
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# --------
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#
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# Find SWIG
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#
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# This module finds an installed SWIG. It sets the following variables:
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#
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# ::
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#
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# SWIG_FOUND - set to true if SWIG is found
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# SWIG_DIR - the directory where swig is installed
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# SWIG_EXECUTABLE - the path to the swig executable
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# SWIG_VERSION - the version number of the swig executable
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#
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#
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#
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# The minimum required version of SWIG can be specified using the
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# standard syntax, e.g. find_package(SWIG 1.1)
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#
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# All information is collected from the SWIG_EXECUTABLE so the version
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# to be found can be changed from the command line by means of setting
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# SWIG_EXECUTABLE
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#=============================================================================
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# Copyright 2004-2009 Kitware, Inc.
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# Copyright 2011 Mathieu Malaterre <mathieu.malaterre@gmail.com>
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# Copyright 2014 Sylvain Joubert <joubert.sy@gmail.com>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# * Neither the names of Kitware, Inc., the Insight Software Consortium,
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# nor the names of their contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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2020-05-04 11:16:07 +00:00
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find_program(SWIG_EXECUTABLE NAMES swig4.0 swig3.0 swig2.0 swig)
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2016-06-30 15:03:09 +00:00
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if(SWIG_EXECUTABLE)
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execute_process(COMMAND ${SWIG_EXECUTABLE} -swiglib
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OUTPUT_VARIABLE SWIG_swiglib_output
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ERROR_VARIABLE SWIG_swiglib_error
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RESULT_VARIABLE SWIG_swiglib_result)
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if(SWIG_swiglib_result)
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if(SWIG_FIND_REQUIRED)
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message(SEND_ERROR "Command \"${SWIG_EXECUTABLE} -swiglib\" failed with output:\n${SWIG_swiglib_error}")
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else()
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message(STATUS "Command \"${SWIG_EXECUTABLE} -swiglib\" failed with output:\n${SWIG_swiglib_error}")
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endif()
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else()
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string(REGEX REPLACE "[\n\r]+" ";" SWIG_swiglib_output ${SWIG_swiglib_output})
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find_path(SWIG_DIR swig.swg PATHS ${SWIG_swiglib_output} NO_CMAKE_FIND_ROOT_PATH)
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if(SWIG_DIR)
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set(SWIG_USE_FILE UseSWIG)
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execute_process(COMMAND ${SWIG_EXECUTABLE} -version
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OUTPUT_VARIABLE SWIG_version_output
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ERROR_VARIABLE SWIG_version_output
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RESULT_VARIABLE SWIG_version_result)
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if(SWIG_version_result)
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message(SEND_ERROR "Command \"${SWIG_EXECUTABLE} -version\" failed with output:\n${SWIG_version_output}")
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else()
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string(REGEX REPLACE ".*SWIG Version[^0-9.]*\([0-9.]+\).*" "\\1"
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SWIG_version_output "${SWIG_version_output}")
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set(SWIG_VERSION ${SWIG_version_output} CACHE STRING "Swig version" FORCE)
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endif()
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endif()
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endif()
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endif()
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(SWIG REQUIRED_VARS SWIG_EXECUTABLE SWIG_DIR
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VERSION_VAR SWIG_VERSION )
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mark_as_advanced(SWIG_DIR SWIG_VERSION)
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