(SUNOS4): Defined.

diff --git a/src/s/sunos4-0.h b/src/s/sunos4-0.h
index 17f1747190060fc60b2efaefa1415b5ed77b69e4..02bdd1ea0c51d808da18189ff4b44175a79c234f 100644 (file)
--- a/src/s/sunos4-0.h
+++ b/src/s/sunos4-0.h
@@ -1,5 +1,9 @@
 #include "bsd4-2.h"
 
+#ifndef SUNOS4
+#define SUNOS4
+#endif
+
 #if 0  /* This may have been needed for an earlier version of Sun OS 4.
          It seems to cause warnings in 4.0.3 and 4.1.  */
 #define O_NDELAY        FNDELAY /* Non-blocking I/O (4.2 style) */