[Lazarus] range check errors in LCL packages

Mattias Gaertner nc-gaertnma at netcologne.de
Wed Sep 12 23:38:07 CEST 2012

On Wed, 12 Sep 2012 16:02:40 +0100
Graeme Geldenhuys <graeme at geldenhuys.co.uk> wrote:

> On 12/09/12 14:59, Mattias Gaertner wrote:
> >
> > AFAIK many developers add range checking to the IDE build options so
> > many lazarus packages, including the LCL, are tested with range
> > checks.
> Fine, but various widgetsets have many compiler errors if -CRrt is 
> enabled. 

Compiler or runtime errors?
Can you point me to the bug reports?

> Surely these must be fixed, and enabling -CRrt by default will 
> prevent such missages/bugs in future.

AFAIK -CT is not supported by the LCL.

> eg:  Try to compile LCL-GTK2 with -CRrt enabled.
> /home/graemeg/devel/lazarus/lcl/interfaces/gtk2/gtk2wsbuttons.pp(237,35) 
> Error: Class or Object types "TCustomBitBtn" and "TWinControlAccess" are 
> not related

That's the old style class helper. Not usable with -CT.

> LCL-CustomDrawn compiles, but all apps give Segmentation Faults at runtime.

see Felipe's answers on custom drawn mailing list.
> I haven't tested LCL-Win32 or LCL-Qt yet.


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