somehow, clang wants explicit instantiation for those

games/teeworlds/patches/patch-src_engine_shared_netban_cpp

@@ -0,0 +1,12 @@
+$OpenBSD: patch-src_engine_shared_netban_cpp,v 1.1 2017/05/06 13:42:17 espie Exp $
+
+Index: src/engine/shared/netban.cpp
+--- src/engine/shared/netban.cpp.orig
++++ src/engine/shared/netban.cpp
+@@ -601,3 +601,6 @@ void CNetBan::ConBansSave(IConsole::IResult *pResult, 
+ 	str_format(aBuf, sizeof(aBuf), "saved banlist to '%s'", pResult->GetString(0));
+ 	pThis->Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "net_ban", aBuf);
+ }
++
++template class CNetBan::CBanPool<NETADDR, 1>;
++template class CNetBan::CBanPool<CNetRange, 16>;