+ The “install” target will automatically try fix this, if it is run with UID~0
+ (as user root). When on Linux, the capabilities described below will be
+ added. On other UNIXes the traditional Set-UID method (also described below)
+ is used instead. The build system will not abort if this fails, because there
+ are file systems which do not support either method. Also, the Debian
+ packaging system and possibly other scenarios only act as if they were
+ running as root.
+