Am 20.03.2012 18:03, schrieb Marcos Douglas:
On Tue, Mar 20, 2012 at 12:35 PM, Jonas Maebe<jonas.ma...@elis.ugent.be>  wrote:

On 20 Mar 2012, at 14:06, Marcos Douglas wrote:

I compile FPC using these options: UPXPROG=echo COPYTREE=echo OPT="-gl"


You should use OPT="-O- -gl" if you want to debug standard FPC units. The
default for building the entire FPC source tree is -O2. Optimizations
generally have little effect on the line number information though.

Before I used OPT="-gl" and I already debug FPC units.
I recompiled using OPT="-gl -gw2 -godwarfsets"  after read this link:
wiki.lazarus.freepascal.org/GDB_Debugger_Tips

The OPT="-O- -gl" options are better?

You should at least add the "-O-" to your OPT argument, because this way the optimizations are switched off which might(!) cause your debug problems.

Regards,
Sven

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