From 10aadcfc4b54e8bea170998db37cad34fd94d3f2 Mon Sep 17 00:00:00 2001
From: Ken Raeburn <raeburn@mit.edu>
Date: Sun, 4 Sep 2011 23:52:21 +0000
Subject: [PATCH] Skip redundant inclusion of iprop.h

Suppress GCC's unused-variable diagnostic for purely generated code
using outside tools, known to have that issue but not ours to fix.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25142 dc483132-0cff-0310-8789-dd5450dbe970
---
 src/lib/kdb/iprop.x     | 16 +++++++++++++++-
 src/lib/kdb/iprop_xdr.c |  4 +++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/lib/kdb/iprop.x b/src/lib/kdb/iprop.x
index 82ffdfe05..b04a453ed 100644
--- a/src/lib/kdb/iprop.x
+++ b/src/lib/kdb/iprop.x
@@ -18,8 +18,22 @@
  * kadmin/server/ipropd_svc.c
  */
 
+/*
+ * This file gets fed through the preprocessor to handle RPC_*
+ * symbols, but we don't want it to chew on __GNUC__ in this phase.
+ */
+#undef __GNUC__
+
 #ifdef RPC_XDR
-%#include "iprop.h"
+/*
+ * Sloppy rpcgen code declares "buf" and rarely uses it.  As it's
+ * generated code, and not presented to code building against the
+ * Kerberos code, it's not a problem we need to fix, so suppress the
+ * complaint.
+ */
+%#ifdef __GNUC__
+%#pragma GCC diagnostic ignored "-Wunused-variable"
+%#endif
 #endif /* RPC_XDR */
 
 /*
diff --git a/src/lib/kdb/iprop_xdr.c b/src/lib/kdb/iprop_xdr.c
index 093c05676..2ab59f570 100644
--- a/src/lib/kdb/iprop_xdr.c
+++ b/src/lib/kdb/iprop_xdr.c
@@ -5,7 +5,9 @@
  */
 
 #include "iprop.h"
-#include "iprop.h"
+#ifdef __GNUC__
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#endif
 
 bool_t
 xdr_int16_t (XDR *xdrs, int16_t *objp)
-- 
2.26.2