diff -urN m4-1.4/src/m4.c m4-1.4-eota/src/m4.c
--- m4-1.4/src/m4.c	1994-11-02 03:14:28.000000000 +0000
+++ m4-1.4-eota/src/m4.c	2004-10-28 01:59:13.000000000 +0000
@@ -444,7 +444,9 @@
 
   if (interactive)
     {
+#ifndef EOTA
       signal (SIGINT, SIG_IGN);
+#endif /* not EOTA */
       setbuf (stdout, (char *) NULL);
     }