1 files changed, 5 insertions, 0 deletions
diff --git a/system.h b/system.h
index 82e89ac79..677108091 100644
--- a/system.h
+++ b/system.h
@@ -112,6 +112,11 @@ extern int errno;
 char *getenv (const char *name);
 #endif /* STDC_HEADERS */
 
+/* XXX solaris2.5.1 has not */
+#if !defined(EXIT_FAILURE)
+#define	EXIT_FAILURE	1
+#endif
+
 #ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 #else