--- ghdl.gpr.in.orig	2015-05-27 18:49:40 UTC
+++ ghdl.gpr.in
@@ -32,7 +32,7 @@ project Ghdl is
    end Compiler;
 
    package Linker is
-      for Switches ("Ada") use ("-lm", "-ldl");
+      for Switches ("Ada") use ("-lm");
    end Linker;
 end Ghdl;