$OpenBSD$

Add -rpath to linker flags, for lld.

Index: src/compiler/extTools.Mod
--- src/compiler/extTools.Mod.orig
+++ src/compiler/extTools.Mod
@@ -69,6 +69,9 @@ PROCEDURE LinkMain*(VAR moduleName: ARRAY OF CHAR; sta
     Strings.Append(Configuration.linkflags,    cmd);
     Strings.Append(OPM.InstallDir,             cmd);
     Strings.Append('/lib"',                    cmd);
+    Strings.Append(Configuration.rpathflags,   cmd);
+    Strings.Append(OPM.InstallDir,             cmd);
+    Strings.Append('/lib"',                    cmd);
     Strings.Append(Configuration.libspec,      cmd);
     Strings.Append('-O',                       cmd);
     Strings.Append(OPM.Model,                  cmd);
