--- libev/ev.c	2008/04/06 12:44:49	1.221
+++ libev/ev.c	2008/04/06 12:45:58	1.222
@@ -271,7 +271,13 @@
 #if EV_USE_EVENTFD
 /* our minimum requirement is glibc 2.7 which has the stub, but not the header */
 # include <stdint.h>
+# ifdef __cplusplus
+extern "C" {
+# endif
 int eventfd (unsigned int initval, int flags);
+# ifdef __cplusplus
+}
+# endif
 #endif
 
 /**/