I get the errors: zip4_lnx.a(generic.o)(.text+0xb16): more undefined references to `__ctype_b' follow zip4_lnx.a(libdl.so): undefined reference to `_dl_close@xxxxxxxxx' zip4_lnx.a(libdl.so): undefined reference to `_dl_catch_error@xxxxxxxxx' zip4_lnx.a(libdl.so): undefined reference to `_dl_addr@xxxxxxxxx' zip4_lnx.a(libdl.so): undefined reference to `_dl_lookup_versioned_symbol_skip@xxxxxxxxx' zip4_lnx.a(libdl.so): undefined reference to `_dl_lookup_versioned_symbol@xxxxxxxxx' zip4_lnx.a(libdl.so): undefined reference to `_dl_lookup_symbol@xxxxxxxxx' zip4_lnx.a(libdl.so): undefined reference to `_dl_loaded@xxxxxxxxx' zip4_lnx.a(libdl.so): undefined reference to `_dl_open@xxxxxxxxx' zip4_lnx.a(libdl.so): undefined reference to `_dl_signal_error@xxxxxxxxx' zip4_lnx.a(libdl.so): undefined reference to `_dl_global_scope@xxxxxxxxx' zip4_lnx.a(libdl.so): undefined reference to `_dl_lookup_symbol_skip@xxxxxxxxx' I have the compatibility libraries installed. I have tried using gcc296, gcc, and gcc4 and still get the message. The library,libdl.so.2 is in /lib with a symlink to /usr/lib/libdl.so Using CentOS 4.0. -- If the sane say the insane are insane, What if the sane are insane? Would that make the insane sane? Explains a lot in Washington! --E. Croft