From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Sat, 7 Dec 2019 16:38:42 +0000 (+0100)
Subject: compiler: add __unused attribute
X-Git-Tag: lxc-4.0.0~78^2~29
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a080cd740c4fc4a6a9dd6136b2acc2dfa1c4802;p=thirdparty%2Flxc.git

compiler: add __unused attribute

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/compiler.h b/src/lxc/compiler.h
index e8adf37c4..2774c6334 100644
--- a/src/lxc/compiler.h
+++ b/src/lxc/compiler.h
@@ -45,6 +45,13 @@
 #define __returns_twice __attribute__((returns_twice))
 #endif
 
+/* This attribute is required to silence clang warnings */
+#if defined(__GNUC__)
+#define __unused __attribute__ ((unused))
+#else
+#define __unused
+#endif
+
 #define __cgfsng_ops
 
 #endif /* __LXC_COMPILER_H */