diff -u -r ../tmux-2.5/compat/setproctitle.c ./compat/setproctitle.c
--- ../tmux-2.5/compat/setproctitle.c	2017-04-28 15:43:11.000000000 +0200
+++ ./compat/setproctitle.c	2017-07-02 11:16:40.393826133 +0200
@@ -18,6 +18,9 @@
 
 #include <stdarg.h>
 #include <string.h>
+#ifdef __ANDROID__
+# include <stdlib.h> /* For getprogname() */
+#endif
 
 #include "compat.h"
 
