--- SConstruct.orig
+++ SConstruct
@@ -1417,7 +1417,7 @@
         try:
             temp_env.ParseConfig(cmd)
             for lib in temp_env['LIBS']:
-                env.AppendUnique(LIBPATH = fix_path(lib))
+                env.Append(LIBS = lib)
             for inc in temp_env['CPPPATH']:
                 env.AppendUnique(CPPPATH = fix_path(inc))
         except OSError as e: