this happens in 4.x. 3.x works fine and uses system-wide zlib-devel. -- Summary: libgcj builds zlib subdir even if --with-system-zlib was passed to ./configure Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: libgcj AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pluto at agmk dot net CC: gcc-bugs at gcc dot gnu dot org,java-prs at gcc dot gnu dot org GCC build triplet: * GCC host triplet: * GCC target triplet: *
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22092