On Wed, Feb 23, 2005 at 12:02:26PM -0500, Bharath Ramesh wrote: > I am using debian-amd64 port on my athlon box. > > I am trying to use F_SETSIG in one of my project. Whenever I compile it > I get an error `F_SETSIG' undeclared error. Anyone seen this error, or > no how to fix it. You will need to define _GNU_SOURCE for that (before any includes). Kurt