enable support for checking nfs mounts

Packages describing “nfs” as local USE flag

Package “nfs” Flag Description
sys-apps/watchdog enable support for checking nfs mounts
media-video/vlc Enable support for nfs protocol via net-fs/libnfs
media-sound/mpd Enable support for the Network File System
app-emulation/libvirt Allow using Network File System mounts as pool for disk image storage
app-misc/lcdproc Display NFS filesystem stats in the lcdproc client.
kde-apps/kio-extras Enable NFS support using net-libs/libtirpc
gnome-base/gvfs Enable NFS client support via net-fs/libnfs.
app-emulation/qemu Enable NFS support
media-tv/kodi Enable NFS client support

All packages providing a “nfs” USE flag (9)