Is there anyone that can think of a solution for this problem? cc1: warnings being treated as errors /Volumes/Scratch/monetdb/stable/monetdb/src/modules/plain/bat.mx: In function 'local_itoa': /Volumes/Scratch/monetdb/stable/monetdb/src/modules/plain/bat.mx:1253: warning: format '%zd' expects type 'signed size_t', but argument 4 has type 'ssize_t' I mean... is there a difference between "signed size_t" and "ssize_t"? Ehrm. [Orion:src/modules/plain] fabian% uname -a Darwin Orion.local 7.9.0 Darwin Kernel Version 7.9.0: Wed Mar 30 20:11:17 PST 2005; root:xnu/xnu-517.12.7.obj~1/RELEASE_PPC Power Macintosh powerpc PowerBook4,3 Darwin [Orion:src/modules/plain] fabian% gcc --version gcc (GCC) 4.0.1 (Apple Computer, Inc. build 5341) Copyright (C) 2005 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Probably just need to compile without -Werror.