Description: Link with libdl on unix OS.
Author: Nicolas Boulenguez <nicolas@debian.org>

--- a/gnatcoll.gpr
+++ b/gnatcoll.gpr
@@ -71,6 +71,7 @@
             when others =>
                null;
          end case;
+         Extra_Libs := Extra_Libs & ("-ldl");
    end case;
 
    So_Ext := "";