added new AM_CONDITIONAL from configure.ag: ENABLE_CRACKERS, ENABLE_DATACELL, HAVE_GDK;
added new AM_CONDITIONAL from configure.ag: ENABLE_CRACKERS, ENABLE_DATACELL, HAVE_GDK;

TODO:
check & ensure that these conditional are also properly set on Windows!

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb