Mattias Gaertner schrieb:
>> That's exactly what I did. I used Larazus to create a console
>> application. I then added my general purpose unit to the uses clause.
>> Then compile failed with an error message that had nothing to do
with my
>> program or unit.
>
> A console application is for simple stdin/stdout programs that runs in
> the DOS box, the OS X terminal, the Linux shell, etc.
Exactly. That's what I wanted to create. I only included my general
purpose unit which I also use for LCL programs. Some functions exist in
this unit that operate on TStringGrid type (but I did not use them in my
console program) so I had to add GRIDS to the uses clause of this unit.
The astonishing thing now is, that my (console) program only compiles
when I add the interfaces unit to the program although I never actively
used it.
>> *) Write a unit
>> *) Create a program (via Lararus) that uses the unit (which I use in
>> nearly all programs)
>>
>> What is wrong with this?
>
> Nothing. The unit just can not work on its own. You just have to
> add an implementation.
??
On its own? I used it in my (console) program.
Add an implementation? My program is a simple text mode console program.
Why should I have 'added' something to it?
> As I wrote two times: It does not need interfaces.
> Here is an example that compiles without interfaces:
>
> program project1;
> {$mode objfpc}{$H+}
> uses
> Classes, Grids, NoGUIWSFactory;
> begin
> writeln('Works');
> end.
When I create a new console application, delete everything in it and add
your program from above I get:
"Can't find unit Grids used by project1."
Why can't it find this unit? Lazarus was installed with it. So it should
know where it has put it.
> It is not enough to use unit "interfaces", a normal LCL application
> also requires an Application.Initialize call.
I did *not* want to create an LCL application! It was a simple console
program.
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