diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2c9fdf94900..3bfc80c45be 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Wed Sep  3 09:05:41 1997  Robert Lipe  (robert@dgii.com)
+
+	* xm-sco5.h (sys_siglist): Define.
+	(SYS_SIGLIST_DECLARED): Likewise.
+
 Tue Sep  2 23:33:33 1997  Jeffrey A Law  (law@cygnus.com)
 
 	* expr.c (convert_move): Handle truncation from TQFmode to QFmode.
diff --git a/gcc/config/i386/xm-sco5.h b/gcc/config/i386/xm-sco5.h
index 27adf86490e..78c66a87bc5 100644
--- a/gcc/config/i386/xm-sco5.h
+++ b/gcc/config/i386/xm-sco5.h
@@ -5,4 +5,8 @@
 /* Big buffers improve performance.  */
 
 #define IO_BUFFER_SIZE (0x8000 - 1024)
-
+/* OpenServer provides no sys_siglist,
+   but does offer the same data under another name.  */
+#define sys_siglist _sys_siglist
+#undef SYS_SIGLIST_DECLARED
+#define SYS_SIGLIST_DECLARED