Hello! trying to compile against libz.a: libz.a(gzio.o): In function gz_open /home/andersen..../gzio.c:159: undefined reference to fopen64 Peter -- Peter S. Mazinger <ps.m at gmx.net> ID: 0xA5F059F2 NIC: IXUYHSKQLI Key fingerprint = 92A4 31E1 56BC 3D5A 2D08 BB6E C389 975E A5F0 59F2