1 files changed, 5 insertions, 1 deletions

diff --git a/src/fileio.c b/src/fileio.c
index b731916f438..8c03a5b595b 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -3215,9 +3215,13 @@ The value is an integer.")
   XSETINT (value, (~ realmask) & 0777);
   return value;
 }
+
 
-#ifdef unix
+#ifdef __NetBSD__
+#define unix 42
+#endif
 
+#ifdef unix
 DEFUN ("unix-sync", Funix_sync, Sunix_sync, 0, 0, "",
   "Tell Unix to finish all pending disk updates.")
   ()