--- example/passthrough_hp.cc	2019-07-06 15:29:45.202362210 +0200
+++ example/passthrough_hp.cc	2019-07-06 15:30:20.623938331 +0200
@@ -67,6 +67,9 @@
 #include <time.h>
 #include <unistd.h>
 #include <pthread.h>
+#ifndef __GLIBC__
+#include <limits.h>
+#endif
 
 // C++ includes
 #include <cstddef>