From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Mon, 7 Sep 2020 23:51:02 +0000 (-0700)
Subject: squash -Wempty-body warnings from expanding trace() inside a conditional body
X-Git-Tag: 2.46.0~20^2^2~82^2~8
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2a513116bff5bfe21ba88db8b1b36fec38350523;p=graphviz

squash -Wempty-body warnings from expanding trace() inside a conditional body
---

diff --git a/lib/expr/extoken.c b/lib/expr/extoken.c
index 8a6baa568..2b748592c 100644
--- a/lib/expr/extoken.c
+++ b/lib/expr/extoken.c
@@ -253,7 +253,7 @@ extoken_fn(Expr_t* ex)
 
 #else
 
-#define trace(p,a,b,c)
+#define trace(p,a,b,c) do { } while (0)
 
 #endif