--- IO-AIO/AIO.xs	2010/09/13 01:59:05	1.173
+++ IO-AIO/AIO.xs	2010/11/01 22:03:43	1.174
@@ -640,6 +640,11 @@
 # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
 # define munmap(addr,length)                  (errno = ENOSYS, -1)
 # define mprotect(addr,len,prot)              (errno = ENOSYS, -1)
+# define PROT_NONE   0
+# define PROT_WRITE  0
+# define MAP_PRIVATE 0
+# define MAP_SHARED  0
+# define MAP_FIXED   0
 #endif
 
 #define MMAP_MAGIC PERL_MAGIC_ext