DKMS make.log for v4l2loopback-0.4.1 for kernel 3.13.0-46-generic (x86_64) Tue Mar 17 15:19:25 EDT 2015 make: Entering directory `/usr/src/linux-headers-3.13.0-46-generic' LD /var/lib/dkms/v4l2loopback/0.4.1/build/built-in.o CC [M] /var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.o /var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.c: In function ‘v4l2_loopback_write’: /var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.c:1357:3: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘size_t’ [-Wformat] /var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.c:1369:12: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘size_t’ [-Wformat] /var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.c: In function ‘init_buffers’: /var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.c:1445:6: error: ‘struct v4l2_buffer’ has no member named ‘input’ /var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.c: In function ‘init_vdev’: /var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.c:1466:7: error: ‘struct video_device’ has no member named ‘current_norm’ /var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.c: At top level: /var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.c:1562:3: warning: initialization from incompatible pointer type [enabled by default] /var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.c:1562:3: warning: (near initialization for ‘v4l2_loopback_ioctl_ops.vidioc_s_std’) [enabled by default] make[1]: *** [/var/lib/dkms/v4l2loopback/0.4.1/build/v4l2loopback.o] Error 1 make: *** [_module_/var/lib/dkms/v4l2loopback/0.4.1/build] Error 2 make: Leaving directory `/usr/src/linux-headers-3.13.0-46-generic'