--- a/utils/mountd/cache.c
+++ b/utils/mountd/cache.c
@@ -142,6 +142,7 @@ void auth_unix_gid(FILE *f)
 	pw = getpwuid(uid);
 	if (!pw)
 		rv = -1;
+#ifndef __UCLIBC__
 	else {
 		rv = getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
 		if (rv == -1 && ngroups >= 100) {
@@ -153,6 +154,7 @@ void auth_unix_gid(FILE *f)
 						  groups, &ngroups);
 		}
 	}
+#endif /* __UCLIBC__ */
 	qword_printint(f, uid);
 	qword_printint(f, time(0)+30*60);
 	if (rv >= 0) {
--- a/support/nfs/svc_socket.c
+++ b/support/nfs/svc_socket.c
@@ -66,9 +66,13 @@ svc_socket (u_long number, int type, int
 
   memset (&addr, 0, sizeof (addr));
   addr.sin_family = AF_INET;
-
+#ifndef __UCLIBC__ /* neither getrpcbynumber() nor getrpcbynumber_r() is SuSv3 */
   ret = getrpcbynumber_r (number, &rpcbuf, rpcdata, sizeof rpcdata,
 			  &rpcp);
+#else
+  rpcp = getrpcbynumber (number);
+  ret = 0;
+#endif
   if (ret == 0 && rpcp != NULL)
     {
       /* First try name.  */