https://bugs.gentoo.org/851666
--- a/report/report-text.cpp
+++ b/report/report-text.cpp
@@ -34,6 +34,7 @@
 #include "../device/general/general.h"
 #include "report.h"
 
+#include <ctime>
 
 int Report::writeText(const char *theText, Device::paragraphStruct *paragraph, bool expandAbbreviations, bool hideMarkup)
 {