$OpenBSD: patch-common_ECThreadPool_cpp,v 1.3 2020/07/29 13:04:05 robert Exp $

Index: common/ECThreadPool.cpp
--- common/ECThreadPool.cpp.orig
+++ common/ECThreadPool.cpp
@@ -18,6 +18,9 @@
 #ifdef LINUX
 #	include <sys/syscall.h>
 #endif
+#ifdef OPENBSD
+#	include <signal.h>
+#endif
 #include <kopano/platform.h>
 #include <kopano/ECConfig.h>
 #include <kopano/ECLogger.h>
