1 files changed, 11 insertions, 1 deletions

diff --git a/defines.h b/defines.h
index 9ecf18d5a..f2fdd3cad 100644
--- a/defines.h
+++ b/defines.h
@@ -25,7 +25,7 @@
 #ifndef _DEFINES_H
 #define _DEFINES_H
 
-/* $Id: defines.h,v 1.131 2006/03/15 02:02:28 djm Exp $ */
+/* $Id: defines.h,v 1.132 2006/05/15 07:17:30 dtucker Exp $ */
 
 
 /* Constants */
@@ -731,6 +731,16 @@ struct winsize {
 # undef HAVE_MMAP
 #endif
 
+#ifndef IOV_MAX
+# if defined(_XOPEN_IOV_MAX)
+#  define       IOV_MAX         _XOPEN_IOV_MAX
+# elif defined(DEF_IOV_MAX)
+#  define       IOV_MAX         DEF_IOV_MAX
+# else
+#  define       IOV_MAX         16
+# endif
+#endif
+
 /* some system headers on HP-UX define YES/NO */
 #ifdef YES
 # undef YES