--- at-3.1.8/atd.c.org	2002-07-19 16:20:24.000000000 +0900
+++ at-3.1.8/atd.c	2002-07-19 16:22:30.000000000 +0900
@@ -453,7 +453,8 @@
 #elif  defined(MAILX)
 	    execl(MAILX, "mailx", mailname, (char *) NULL);
 #else
-#error      "No mail command specified."
+/*#error      "No mail command specified."*/
+	perr("No mail command specified.");
 #endif
 	    perr("Exec failed for mail command");