57 lines
2.2 KiB
CMake
57 lines
2.2 KiB
CMake
# - Find SWIG
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# This module finds an installed SWIG. It sets the following variables:
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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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# All informations are collected from the SWIG_EXECUTABLE so the
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# version to be found can be changed from the command line by
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# means of setting SWIG_EXECUTABLE
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#
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SET(SWIG_FOUND FALSE)
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FIND_PROGRAM(SWIG_EXECUTABLE swig)
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IF(SWIG_EXECUTABLE)
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EXECUTE_PROCESS(COMMAND ${SWIG_EXECUTABLE} -swiglib
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OUTPUT_VARIABLE SWIG_swiglib_output
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ERROR_VARIABLE SWIG_swiglib_error
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RESULT_VARIABLE SWIG_swiglib_result)
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IF(SWIG_swiglib_result)
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MESSAGE(SEND_ERROR "Command \"${SWIG_EXECUTABLE} -swiglib\" failed with output:\n${SWIG_swiglib_error}")
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ELSE(SWIG_swiglib_result)
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STRING(REGEX REPLACE "[\n\r]+" ";" SWIG_swiglib_output ${SWIG_swiglib_output})
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# force the path to be computed each time in case SWIG_EXECUTABLE has changed.
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SET(SWIG_DIR SWIG_DIR-NOTFOUND)
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FIND_PATH(SWIG_DIR swig.swg PATHS ${SWIG_swiglib_output})
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IF(SWIG_DIR)
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SET(SWIG_FOUND 1)
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SET(SWIG_USE_FILE ${CMAKE_ROOT}/Modules/UseSWIG.cmake)
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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(SWIG_version_result)
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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(SWIG_version_result)
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ENDIF(SWIG_DIR)
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ENDIF(SWIG_swiglib_result)
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ENDIF(SWIG_EXECUTABLE)
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IF(NOT SWIG_FOUND)
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IF(NOT SWIG_FIND_QUIETLY)
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IF(SWIG_FIND_REQUIRED)
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MESSAGE(FATAL_ERROR "SWIG was not found. Please specify Swig executable location")
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ELSE(SWIG_FIND_REQUIRED)
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MESSAGE(STATUS "SWIG was not found. Please specify Swig executable location")
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ENDIF(SWIG_FIND_REQUIRED)
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ENDIF(NOT SWIG_FIND_QUIETLY)
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ENDIF(NOT SWIG_FOUND)
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