From 0e7278ad5b6cf23689731bad23bf612f8af63e3d Mon Sep 17 00:00:00 2001
From: Henry Weller <http://cfd.direct>
Date: Fri, 4 Mar 2016 11:29:37 +0000
Subject: [PATCH] StaticAssert: Avoid unused typedef messages from gcc
---
src/OpenFOAM/db/error/StaticAssert.H | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/OpenFOAM/db/error/StaticAssert.H b/src/OpenFOAM/db/error/StaticAssert.H
index c6cf1e7b231..58fa86c170d 100644
--- a/src/OpenFOAM/db/error/StaticAssert.H
+++ b/src/OpenFOAM/db/error/StaticAssert.H
@@ -67,12 +67,18 @@ class StaticAssertionTest {};
#define StaticAssertMacro1(X,Y) StaticAssertMacro2(X,Y)
#define StaticAssertMacro2(X,Y) X##Y
+#ifdef __GNUC__
+ #define StaticAssertUnusedTypedef __attribute__((unused))
+#else
+ #define StaticAssertUnusedTypedef
+#endif
+
//- Assert that some test is true at compile-time
#define StaticAssert(Test) \
typedef ::Foam::StaticAssertionTest \
< \
sizeof( ::Foam::StaticAssertionFailed<((Test) ? true : false)>) \
- > StaticAssertMacro(StaticAssertionTest, __LINE__)
+ > StaticAssertMacro(StaticAssertionTest, __LINE__) StaticAssertUnusedTypedef
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
--
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