inotifyd - watch for filesystem events.
rfkill - enable/disable the radio devices
e.g. Wireless adapter, Bluetooth devices...
patch from ashwini sharma: treat 0 length read at the start of password read as EOF.
Pass the same $CFLAGS to the library probe as the final build, to work with broken build environments that provide different libraries for --static and dynamic builds.
Remove debug detritus I didn't mean to to check in, and treat an "this variable can never actually be used uninitialized but gcc's warning generator can't tell and fails spamwards" warning.
The "not root" test happens before looking for --help, so "./sulogin --help" doesn't show it. Instead make the "not root" failure case always show help text.
Single-user login.
Pending commands should default n