diff -Nuar tesseract-4.1.1.orig/src/ccutil/ocrclass.h tesseract-4.1.1/src/ccutil/ocrclass.h
--- tesseract-4.1.1.orig/src/ccutil/ocrclass.h	2019-12-26 15:21:51.000000000 +0100
+++ tesseract-4.1.1/src/ccutil/ocrclass.h	2020-03-25 19:14:08.098507670 +0100
@@ -28,6 +28,9 @@
 
 #include <chrono>
 #include <ctime>
+#ifndef timeval
+#include <sys/time.h>
+#endif
 #ifdef _WIN32
 #include <winsock2.h> // for timeval
 #endif