opencv

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# - Find Flake8
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# Find the Flake8 executable and extract the version number
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#
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# OUTPUT Variables
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#
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#   FLAKE8_FOUND
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#       True if the flake8 package was found
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#   FLAKE8_EXECUTABLE
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#       The flake8 executable location
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#   FLAKE8_VERSION
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#       A string denoting the version of flake8 that has been found
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find_host_program(FLAKE8_EXECUTABLE flake8 PATHS /usr/bin)
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if(FLAKE8_EXECUTABLE AND NOT DEFINED FLAKE8_VERSION)
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  execute_process(COMMAND ${FLAKE8_EXECUTABLE} --version RESULT_VARIABLE _result OUTPUT_VARIABLE FLAKE8_VERSION_RAW)
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  if(NOT _result EQUAL 0)
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    ocv_clear_vars(FLAKE8_EXECUTABLE FLAKE8_VERSION)
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  elseif(FLAKE8_VERSION_RAW MATCHES "^([0-9\\.]+[0-9])")
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    set(FLAKE8_VERSION "${CMAKE_MATCH_1}")
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  else()
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    set(FLAKE8_VERSION "unknown")
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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(Flake8
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    REQUIRED_VARS FLAKE8_EXECUTABLE
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    VERSION_VAR FLAKE8_VERSION
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)
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mark_as_advanced(FLAKE8_EXECUTABLE FLAKE8_VERSION)
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