diff -up arj-3.10.22/environ.c~ arj-3.10.22/environ.c

--- arj-3.10.22/environ.c~	2008-03-31 15:19:36.000000000 +0200

+++ arj-3.10.22/environ.c	2008-03-31 15:19:36.000000000 +0200

@@ -12,6 +12,8 @@

 #include <conio.h>

 #include <io.h>

 #include <process.h>

+#else

+#include <sys/wait.h>

 #endif

 #include <fcntl.h>

diff -up arj-3.10.22/arjsfx.c~ arj-3.10.22/arjsfx.c

--- arj-3.10.22/arjsfx.c~	2008-03-31 15:17:45.000000000 +0200

+++ arj-3.10.22/arjsfx.c	2008-03-31 15:17:45.000000000 +0200

@@ -5,6 +5,7 @@

  *

  */

+#define _GNU_SOURCE

 #include <stdio.h>

 #include <signal.h>

diff -up arj-3.10.22/arj.c~ arj-3.10.22/arj.c

--- arj-3.10.22/arj.c~	2008-03-31 15:17:14.000000000 +0200

+++ arj-3.10.22/arj.c	2008-03-31 15:17:14.000000000 +0200

@@ -5,6 +5,7 @@

  *

  */

+#define _GNU_SOURCE

 #include <stdio.h>

 #include <signal.h>