From b397eca557673240e29e60c35a2458597e95d53d Mon Sep 17 00:00:00 2001 From: Frediano Ziglio Date: Thu, 20 Aug 2015 11:16:31 +0100 Subject: macros: fix compatibility with non-clang compilers Signed-off-by: Frediano Ziglio --- spice/macros.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/spice/macros.h b/spice/macros.h index 29cdf82..cd63528 100644 --- a/spice/macros.h +++ b/spice/macros.h @@ -47,6 +47,10 @@ #define SPICE_GNUC_NULL_TERMINATED #endif +#ifndef __has_feature +#define __has_feature(x) 0 /* Compatibility with non-clang compilers. */ +#endif + #if (!defined(__clang__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))) || \ (defined(__clang__) && __has_feature(__alloc_size__)) #define SPICE_GNUC_ALLOC_SIZE(x) __attribute__((__alloc_size__(x))) -- cgit