Re-add definition for R_OK. Can we think of any OS which might

not have unistd.h to supply this definition?

diff --git a/ast_common.h.in b/ast_common.h.in
index 5f0c832ab631b4c139095722dced05273379b1c8..f57967e51ac768cb8a536ca83026d12deea27844 100644 (file)
--- a/ast_common.h.in
+++ b/ast_common.h.in
@@ -211,4 +211,8 @@ typedef int ssize_t;
 #define MAXINT INT_MAX
 #endif
 
+#ifndef R_OK
+#define R_OK 4
+#endif
+
 #endif /*AST_COMMON_H*/