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- # Distributed under the OSI-approved BSD 3-Clause License. See accompanying
- # file Copyright.txt or https://cmake.org/licensing for details.
- #.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
- find_program(SWIG_EXECUTABLE NAMES 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 ${CMAKE_CURRENT_LIST_DIR}/UseSWIG.cmake)
- 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 ${SWIG_version_output} CACHE STRING "Swig version" FORCE)
- endif()
- endif()
- endif()
- endif()
- include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
- FIND_PACKAGE_HANDLE_STANDARD_ARGS(SWIG REQUIRED_VARS SWIG_EXECUTABLE SWIG_DIR
- VERSION_VAR SWIG_VERSION )
- mark_as_advanced(SWIG_DIR SWIG_VERSION)
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