diff options
| -rw-r--r-- | erts/etc/unix/run_erl.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/erts/etc/unix/run_erl.c b/erts/etc/unix/run_erl.c index 44efb975ba..22302d539a 100644 --- a/erts/etc/unix/run_erl.c +++ b/erts/etc/unix/run_erl.c @@ -42,9 +42,14 @@ # include "config.h" #endif #ifdef HAVE_WORKING_POSIX_OPENPT -#ifndef _XOPEN_SOURCE -#define _XOPEN_SOURCE 600 -#endif +# ifndef _XOPEN_SOURCE + /* On OS X, we must leave _XOPEN_SOURCE undefined in order for + * the prototype of vsyslog() to be included. + */ +# ifndef __APPLE__ +# define _XOPEN_SOURCE 600 +# endif +# endif #endif #include <sys/types.h> #include <sys/wait.h> |