http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/sunrpc/rpc/xdr.h.diff?r1=1.27&r2=1.28&cvsroot=glibc
(but see also http://sources.redhat.com/ml/libc-alpha/2004-03/msg00267.html
and http://gcc.gnu.org/ml/gcc-patches/2004-03/msg02056.html)

Fixes errors

rpc_cmsg.c: In function `xdr_callmsg':
rpc_cmsg.c:70: error: invalid lvalue in increment
rpc_cmsg.c:71: error: invalid lvalue in increment
rpc_cmsg.c:74: error: invalid lvalue in increment
rpc_cmsg.c:77: error: invalid lvalue in increment
rpc_cmsg.c:78: error: invalid lvalue in increment
rpc_cmsg.c:79: error: invalid lvalue in increment
rpc_cmsg.c:81: error: invalid lvalue in increment
rpc_cmsg.c:89: error: invalid lvalue in increment
rpc_cmsg.c:106: error: invalid lvalue in increment
rpc_cmsg.c:107: error: invalid lvalue in increment
rpc_cmsg.c:112: error: invalid lvalue in increment
rpc_cmsg.c:117: error: invalid lvalue in increment
rpc_cmsg.c:118: error: invalid lvalue in increment
rpc_cmsg.c:119: error: invalid lvalue in increment
rpc_cmsg.c:121: error: invalid lvalue in increment
rpc_cmsg.c:160: error: invalid lvalue in increment

===================================================================
RCS file: /cvs/glibc/libc/sunrpc/rpc/xdr.h,v
retrieving revision 1.27
retrieving revision 1.28
diff -u -r1.27 -r1.28
--- libc/sunrpc/rpc/xdr.h	2002/12/16 02:05:49	1.27
+++ libc/sunrpc/rpc/xdr.h	2004/03/22 10:52:33	1.28
@@ -262,10 +262,8 @@
  * and shouldn't be used any longer. Code which use this defines or longs
  * in the RPC code will not work on 64bit Solaris platforms !
  */
-#define IXDR_GET_LONG(buf) \
-	((long)ntohl((u_long)*__extension__((u_int32_t*)(buf))++))
-#define IXDR_PUT_LONG(buf, v) \
-	(*__extension__((u_int32_t*)(buf))++ = (long)htonl((u_long)(v)))
+#define IXDR_GET_LONG(buf) ((long)IXDR_GET_U_INT32(buf))
+#define IXDR_PUT_LONG(buf, v) ((long)IXDR_PUT_INT32(buf, (long)(v)))
 #define IXDR_GET_U_LONG(buf)	      ((u_long)IXDR_GET_LONG(buf))
 #define IXDR_PUT_U_LONG(buf, v)	      IXDR_PUT_LONG(buf, (long)(v))