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