On 11.0-CURRENT, sources r266594, I get this error when tryong to compile port x11/nvidia-driver:
nvidia_linux.c:42:37: error: incompatible integer to pointer conversion passing 'unsigned long long' to parameter of type 'cap_rights_t *' (aka 'struct cap_rights *') [-Werror,-Wint-conversion] if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0)
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