opencv/modules/videoio/cmake/detect_v4l.cmake
2021-07-22 15:22:42 +00:00

18 lines
474 B
CMake

# --- V4L ---
if(NOT HAVE_V4L)
set(CMAKE_REQUIRED_QUIET TRUE) # for check_include_file
check_include_file(linux/videodev2.h HAVE_CAMV4L2)
check_include_file(sys/videoio.h HAVE_VIDEOIO)
if(HAVE_CAMV4L2 OR HAVE_VIDEOIO)
set(HAVE_V4L TRUE)
set(defs)
if(HAVE_CAMV4L2)
list(APPEND defs "HAVE_CAMV4L2")
endif()
if(HAVE_VIDEOIO)
list(APPEND defs "HAVE_VIDEOIO")
endif()
ocv_add_external_target(v4l "" "" "${defs}")
endif()
endif()