[fpc-pascal] Cannot find GTK

[Marco van de Voort]

In our previous episode, Andres Linares said:
> I was trying with some examples about using the GTK library in the
> FreePascal IDE (the blue screen) and it says that this unit is missing.
> Despite that, I could compile them all using fpc from the command
> interpreter.
> 
> What is happenning? Is there any setting I must change in FP?

The IDE has an own internal compiler and maintains its own unitpath.

So either the IDE's compiler is different from your cmdline compiler (check
the version in the about box), _OR_

the unit path in options->directories is not set correctly or completely.
Keep in mind that an asterisk at the end means recursion, just like in
fpc.cfg