id summary reporter owner description type status milestone component version severity resolution keywords cc 8583 tar attempts to change ownership to invalid uid. akf@… "When running as root, untaring the boost package using gentoo prefix on Interix v3.5 for Windows XP fails with: ''Cannot change ownership to uid 501, gid 0: Invalid argument'' This is solved by running tar with flags: ""--user root --no-same-owner"" This issue is unique to boost .tar.gz files and blocks any installation by gentoo emerge. More information found here: [http://forums.gentoo.org/viewtopic-t-959612-highlight-.html]" Bugs new To Be Determined Building Boost Boost 1.52.0 Problem