--- cmake/OpenCVFindLibsVideo.cmake.orig 2012-07-19 00:59:17.000000000 +0000 +++ cmake/OpenCVFindLibsVideo.cmake 2012-07-19 00:59:58.000000000 +0000 @@ -75,6 +75,7 @@ ocv_clear_vars(HAVE_LIBV4L HAVE_CAMV4L HAVE_CAMV4L2) if(WITH_V4L) CHECK_MODULE(libv4l1 HAVE_LIBV4L) + CHECK_MODULE(libv4l2 HAVE_LIBV4L) CHECK_INCLUDE_FILE(linux/videodev.h HAVE_CAMV4L) CHECK_INCLUDE_FILE(linux/videodev2.h HAVE_CAMV4L2) endif(WITH_V4L)