[Lazarus] use of graphics unit on command line

[Xiangrong Fang]

Hi All,

I have a class which uses Graphics unit.  Now I would like to do some test
of this class on command line, which does NOT require graphics support.

That is, suppose my class looks like this:

TMyClass
public
  procedure Generate;  //does NOT use graphics
  procedure Paint;     //uses graphics
end;

now I want to test the Generate method. I write a new program like this:

program test;
{$mode objfpc}{$H+}
uses myclass;
begin
end.

The compiler complains that Graphics unit cannot be found.

How can I do such test with just vi and fpc on command line?

Thanks!

Xiangrong
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