diff -Nur buffer-1.19/buffer.c buffer-1.19-no_shma/buffer.c
--- buffer-1.19/buffer.c	2016-02-07 20:28:56.432381667 +0100
+++ buffer-1.19-no_shma/buffer.c	2016-02-07 20:29:29.911380082 +0100
@@ -135,9 +135,5 @@
 #endif
 
-#ifndef __alpha
-extern char *shmat();
-#endif /* __alpha */
-
 /* General macros */
 #define TRUE 1
 #define FALSE 0