-gl Use the lineinfo unit (see Unit Reference <http://www.freepascal.org/docs-html/rtl/index.html>). (Produces file name/line number information if the program exits due to an error.)

In the doc it says at http://www.freepascal.org/docs-html/user/usersu15.html#x38-450005.1.4 > > -gl > Use the lineinfo unit (see Unit Reference > <http://www.freepascal.org/docs-html/rtl/index.html>). (Produces > file name/line number information if the program exits due to an > error.) > but that unit is described as stabs only, so if one were to use "-gw -gl" or "-gl -gw" in either order, would it use the infodwrf instead?