Hi, I get this error when I install OpenCV-2.40 for arm: /usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none
-linux-gnueabi/bin/ld: warning: libv4l2.so.0, needed by /usr/local/bin/../l ib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none-linux-gnueabi/lib/ libv4l1.so, not found (try using -rpath or -rpath-link) /usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none
-linux-gnueabi/lib/libv4l1.so: undefined reference to `v4l2_get_control' /usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none
-linux-gnueabi/lib/libv4l1.so: undefined reference to `v4l2_ioctl' /usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none
-linux-gnueabi/lib/libv4l1.so: undefined reference to `v4l2_read' /usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none
-linux-gnueabi/lib/libv4l1.so: undefined reference to `v4l2_dup' /usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none
-linux-gnueabi/lib/libv4l1.so: undefined reference to `v4l2_munmap' /usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none
-linux-gnueabi/lib/libv4l1.so: undefined reference to `v4l2_fd_open' /usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none
-linux-gnueabi/lib/libv4l1.so: undefined reference to `v4l2_set_control' /usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none
-linux-gnueabi/lib/libv4l1.so: undefined reference to `v4l2_log_file' /usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none
-linux-gnueabi/lib/libv4l1.so: undefined reference to `v4l2_close' /usr/local/bin/../lib/gcc/arm-none-linux-gnueabi/4.6.3/../../../../arm-none
-linux-gnueabi/lib/libv4l1.so: undefined reference to `v4l2_mmap' collect2: ld returned 1 exit status
Please Help me.Why I get this error??