Index: bsd-user/mmap.c
===================================================================
--- bsd-user/mmap.c	(revision 5799)
+++ bsd-user/mmap.c	(working copy)
@@ -30,6 +30,10 @@
 
 //#define DEBUG_MMAP
 
+#ifndef MAP_FLAGMASK
+#define MAP_FLAGMASK	~MAP_ALIGNMENT_MASK
+#endif
+
 #if defined(USE_NPTL)
 pthread_mutex_t mmap_mutex;
 static int __thread mmap_lock_count;