On Sunday 18 December 2011 14:05:00 Jonas Maebe wrote: > since Darwin/i386 also requires a 16-byte aligned stack Does this mean I can drop these stack alignment options for Osx 32 and 64 bit? Anyhow my old OsX has gcc 4.0.1 and does not have all these options. It has mstackrealign but not the -mincoming-stack-boundary=num regards, Den Jean