diff -u -r ../imlib2-1.6.0/src/bin/imlib2_view.c ./src/bin/imlib2_view.c
--- ../imlib2-1.6.0/src/bin/imlib2_view.c	2019-11-23 16:59:35.000000000 +0000
+++ ./src/bin/imlib2_view.c	2019-12-12 20:27:59.394947223 +0000
@@ -5,6 +5,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <sys/select.h>
 
 #include "Imlib2.h"