From a6d8eb54f8da26e372aa56951e4731ec00903f77 Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Sun, 15 May 2016 12:32:17 +0100
Subject: [PATCH] math/mp.h: Muffle `unused value' warnings from `MP_COPY'.

Nobody cares.
---
 math/mp.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/math/mp.h b/math/mp.h
index bb109b53..ad4309e9 100644
--- a/math/mp.h
+++ b/math/mp.h
@@ -37,6 +37,7 @@
 #include <assert.h>
 #include <string.h>
 
+#include <mLib/macros.h>
 #include <mLib/sub.h>
 
 #ifndef CATACOMB_MPW_H
@@ -196,7 +197,8 @@ extern void mp_destroy(mp */*m*/);
 
 extern mp *mp_copy(mp */*m*/);
 
-#define MP_COPY(m) ((m)->ref++, (m))
+#define MP_COPY(m) MUFFLE_WARNINGS_EXPR(GCC_WARNING("-Wunused-value"),	\
+					((m)->ref++, (m)))
 
 /* --- @mp_drop@ --- *
  *
-- 
2.11.0