This only happens with the gcj on the gcj-eclipse branch. Doing a build with the new gcj leaves many .zip and .jar files in /tmp. This is probably a bug in java/lang-specs.h, but could also be a bug in gcc.c.
-- Summary: [ecj] gcj leaves .jar and .zip files in /tmp Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: java AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: tromey at gcc dot gnu dot org OtherBugsDependingO 28067 nThis: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28329