[Lazarus] Using a component OBJ file in Lazarus?

[Mattias Gaertner]

On Sun, 10 Jun 2018 14:15:06 +0200
Bo Berglund via Lazarus <lazarus at lists.lazarus-ide.org> wrote:

> On Sun, 10 Jun 2018 12:58:42 +0200, Mattias Gaertner via Lazarus
> <lazarus at lists.lazarus-ide.org> wrote:
> 
> >Your package must inherit an object search path.
> >
> >Package editor / Options / Package Options / Add path to dependent
> >packages / Object
> >
> >Add '$(PkgDir)' without quotes.
> >  
> 
> I did this literally as you wrote. So my Package options Object box
> contains the text $(PkgDir)
> 
> It does not work, Lazarus does not find the obj file anyway.
> 
> So next I tried:
> $(PkgDir)\..\Sentinel

Glad you figured that out. I don't know your setup (yet).

 
> This time it passed the previous error only to arrive at:
> 
> lazarus.pp(161,1) Error: Illegal COFF Magic while reading
> D:\Engineering\Projects\Subversion\EI\CMPFPC\Sentinel\SPROMEPS.OBJ
> 
> Does this mean that the OBJ file that has worked for more than 15
> yesra on different versions of Delphi is somehow of a format not
> acceptable by Lazarus?
> 
> What is COFF Magic?

Find out the format of your obj file and then find a converter to COFF
format, which fpc require. Maybe objconv can be used for that. I never
tried.

Mattias