--- a/libpurple/protocols/zephyr/sysdep.h Mon Sep 16 19:37:11 2019 -0400 +++ b/libpurple/protocols/zephyr/sysdep.h Mon Sep 16 19:50:39 2019 -0400 @@ -46,23 +46,7 @@ #include <sys/cdefs.h> #endif -/* Because we have public header files (and our prototypes need to agree with - * those header files, use __STDC__ to guess whether the compiler can handle - * stdarg, const, and prototypes. */ -#ifdef __STDC__ -# include <stdarg.h> -# define VA_START(ap, last) va_start(ap, last) -# ifndef __P -# define __P(x) x -# endif -#else -# include <varargs.h> -# define VA_START(ap, last) va_start(ap) -# define const -# ifndef __P -# define __P(x) () -# endif -#endif +#include <stdarg.h> /* openlog(). */ #ifdef LOG_AUTH