Merge remote-tracking branch 'upstream/3.4' into merge-3.4
[platform/upstream/opencv.git] / cmake / FindFlake8.cmake
1 # - Find Flake8
2 # Find the Flake8 executable and extract the version number
3 #
4 # OUTPUT Variables
5 #
6 #   FLAKE8_FOUND
7 #       True if the flake8 package was found
8 #   FLAKE8_EXECUTABLE
9 #       The flake8 executable location
10 #   FLAKE8_VERSION
11 #       A string denoting the version of flake8 that has been found
12
13 find_host_program(FLAKE8_EXECUTABLE flake8 PATHS /usr/bin)
14
15 if(FLAKE8_EXECUTABLE)
16   execute_process(COMMAND ${FLAKE8_EXECUTABLE} --version OUTPUT_VARIABLE FLAKE8_VERSION_RAW ERROR_QUIET)
17   if(FLAKE8_VERSION_RAW MATCHES "^([0-9\\.]+[0-9])")
18     set(FLAKE8_VERSION "${CMAKE_MATCH_1}")
19   else()
20     set(FLAKE8_VERSION "unknown")
21   endif()
22 endif()
23
24 include(FindPackageHandleStandardArgs)
25 FIND_PACKAGE_HANDLE_STANDARD_ARGS(Flake8 DEFAULT_MSG FLAKE8_EXECUTABLE)
26
27 mark_as_advanced(FLAKE8_EXECUTABLE FLAKE8_VERSION)