From 0e85abd658738db9ea183c133c89c3c94ee37dae Mon Sep 17 00:00:00 2001
From: Peter Eisentraut
Date: Wed, 21 Mar 2012 23:30:14 +0200
Subject: Clean up compiler warnings from unused variables with asserts
 disabled

For those variables only used when asserts are enabled, use a new
macro PG_USED_FOR_ASSERTS_ONLY, which expands to
__attribute__((unused)) when asserts are not enabled.
---
 src/include/c.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/include/c.h')

diff --git a/src/include/c.h b/src/include/c.h
index 82acd14a9b..96375ab567 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -710,6 +710,18 @@ typedef NameData *Name;
 #define STATUS_WAITING			(2)
 
 
+/*
+ * Append PG_USED_FOR_ASSERTS_ONLY to definitions of variables that are only
+ * used in assert-enabled builds, to avoid compiler warnings about unused
+ * variables in assert-disabled builds.
+ */
+#ifdef USE_ASSERT_CHECKING
+#define PG_USED_FOR_ASSERTS_ONLY
+#else
+#define PG_USED_FOR_ASSERTS_ONLY __attribute__((unused))
+#endif
+
+
 /* gettext domain name mangling */
 
 /*
-- 
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