diff -ru ttyrec-1.0.8.orig/io.h ttyrec-1.0.8/io.h
--- ttyrec-1.0.8.orig/io.h	2006-06-11 17:52:50.000000000 +0200
+++ ttyrec-1.0.8/io.h	2015-11-15 09:59:54.000000000 +0100
@@ -9,5 +9,6 @@
 int     edup            (int oldfd);
 int     edup2           (int oldfd, int newfd);
 FILE*   efdopen         (int fd, const char *mode);
+void    set_progname    (const char *name);
 
 #endif
diff -ru ttyrec-1.0.8.orig/ttyrec.c ttyrec-1.0.8/ttyrec.c
--- ttyrec-1.0.8.orig/ttyrec.c	2006-06-11 17:52:50.000000000 +0200
+++ ttyrec-1.0.8/ttyrec.c	2015-11-15 09:59:41.000000000 +0100
@@ -54,6 +54,7 @@
 #include <unistd.h>
 #include <string.h>
 #include <stdlib.h>
+#include <signal.h>
 
 #if defined(SVR4)
 #include <fcntl.h>