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<font size="+1">I some of my units, I have :<br>
<br>
uses classes,<br>
{$IFDEF USE_XYZ}<br>
certain_unitXYZ<br>
{$ENDIF};<br>
<br>
<br>
Where do I put <br>
{$DEFINE USE_XYZ}<br>
<br>
so that when I rebuild the project, fpc will see USE_XYZ is defined.<br>
<br>
Putting in in the project .lpr does not work<br>
<br>
Thanks in advance.<br>
<br>
Dennis<br>
<br>
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