#ifndef __XEN_TOOLS_LIBS__ #define __XEN_TOOLS_LIBS__ #ifndef BUILD_BUG_ON #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6) #define BUILD_BUG_ON(p) ({ _Static_assert(!(p), "!(" #p ")"); }) #else #define BUILD_BUG_ON(p) ((void)sizeof(char[1 - 2 * !!(p)])) #endif #endif #endif /* __XEN_TOOLS_LIBS__ */