On Tue, Oct 25, 2011 at 05:57, stl wrote: > I have dug in the uClibc source code, and I have found that the > definition of __NR_getuid and __NR_getgid depend on > __NR_getxuid and __NR_getxgid. no. those are fallbacks only for alpha. all other arches should be defining getuid/getgid in your linux's asm/unistd.h. -mike