#include <ginac/ginac.h>
-#ifndef NO_GINAC_NAMESPACE
+#ifndef NO_NAMESPACE_GINAC
using namespace GiNaC;
-#endif // ndef NO_GINAC_NAMESPACE
+#endif // ndef NO_NAMESPACE_GINAC
// The very first pair of historic problems had its roots in power.cpp and was
// finally resolved on April 27th. (Fixing the first on April 23rd actually