Probably because I have NO_IPV6 defined. ident.c: In function ‘canonical_name’: ident.c:89:37: error: ‘buf’ undeclared (first use in this function) struct hostent *he = gethostbyname(buf); ^ ident.c:89:37: note: each undeclared identifier is reported only once for each function it appears in make: *** [ident.o] Fout 1 -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html