--- gcc/config/m68k/xm-crds.h	2018/04/24 18:14:27	1.1.1.2
+++ gcc/config/m68k/xm-crds.h	2018/04/24 18:20:58	1.1.1.3
@@ -10,6 +10,9 @@
 #define bzero(a,b) memset (a,0,b)
 #define bcmp(a,b,c) memcmp (a,b,c)
 
+/* UNOS has vprintf() */ 
+#define HAVE_VPRINTF
+
 /* Avoid conflict with C library by changing name of this symbol.  */
 #define gettime gcc_gettime