--- uae/src/include/execlib.h	2018/04/24 16:39:21	1.1.1.1
+++ uae/src/include/execlib.h	2018/04/24 16:40:15	1.1.1.2
@@ -27,6 +27,7 @@
 #define NT_LIBRARY  9
 #define NT_SIGNALSEM 15
 
+#ifndef MEMF_PUBLIC /* protection for AmigaDOS */
 #define MEMF_PUBLIC 1
 #define MEMF_CHIP 2
 #define MEMF_FAST 4
@@ -36,3 +37,4 @@
 #define MEMF_LARGEST (1<<17)
 #define MEMF_REVERSE (1<<18)
 #define MEMF_TOTAL (1<<19)
+#endif