Index: include/libast.h
--- include/libast.h.orig
+++ include/libast.h
@@ -315,9 +315,9 @@ extern int re_exec();
 #ifndef NAN
 #  ifdef MAX_FLOAT
 #    define NAN MAX_FLOAT
-#  elsif defined(MAXFLOAT)
+#  elif defined(MAXFLOAT)
 #    define NAN MAX_FLOAT
-#  elsif defined(HUGE)
+#  elif defined(HUGE)
 #    define NAN HUGE
 #  else
 /* FIXME:  This could be dangerous...anyone have a better idea? */