Re: Using gpsd-dbg

[Gary E. Miller]

Yo Fred!

On Tue, 14 Sep 2021 13:05:25 -0700 (PDT)
Fred Wright <fw@fwright.net> wrote:

> On Tue, 14 Sep 2021, Gary E. Miller wrote:
> > On Tue, 14 Sep 2021 19:28:45 +0000
> > Jared Hagel <jared.hagel@vontas.com> wrote:
> >  
> >> Thanks Gary. I am building from source. Turning on debugging before
> >> building sounds like the better option to me. I'll do that - after
> >> I figure out how 😊. I'm sure it won't be hard to find.  
> >
> > Assuming you are using gcc, just build with CFLAGS="-ggdb"  
> 
> Actually, the best way is just to specify debug=yes on the scons
> command line, which includes debug information in both compiling and
> linking, and also turns off optimizations, since gdb and lldb don't
> tend to handle optimized code as well as their documentation
> suggests.  If you really need to debug optimized code (e.g., because
> the code behaves differently when optimized), you can use
> debug_opt=yes instead, but then you should be prepared to see a
> somewhat distorted view of the program's state through the debugger.
> In that case, sometimes it's necessary to look at the assembler code
> to see what's really going on.

I guess that should be documented somewhere...

RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        gem@rellim.com  Tel:+1 541 382 8588

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