From 6ba4f3775e9b2a5bacb2537c058728a67222b67d Mon Sep 17 00:00:00 2001 From: kwolekr Date: Tue, 3 Nov 2015 01:03:33 -0500 Subject: [PATCH] Silence 'unused typedef' warning for STATIC_ASSERT() --- src/util/basic_macros.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/src/util/basic_macros.h b/src/util/basic_macros.h index 2a30a31d2..c100b4f25 100644 --- a/src/util/basic_macros.h +++ b/src/util/basic_macros.h @@ -38,9 +38,16 @@ with this program; if not, write to the Free Software Foundation, Inc., C(const C &); \ C &operator=(const C &) +#ifndef _MSC_VER + #define UNUSED_ATTRIBUTE __attribute__ ((unused)) +#else + #define UNUSED_ATTRIBUTE +#endif + // Fail compilation if condition expr is not met. // Note that 'msg' must follow the format of a valid identifier, e.g. // STATIC_ASSERT(sizeof(foobar_t) == 40), foobar_t_is_wrong_size); -#define STATIC_ASSERT(expr, msg) typedef char msg[!!(expr) * 2 - 1] +#define STATIC_ASSERT(expr, msg) \ + UNUSED_ATTRIBUTE typedef char msg[!!(expr) * 2 - 1] #endif -- 2.25.1