[116291] trunk/dports/_resources/port1.0/group/debug-1.0.tcl

[Sean Farley]

raimue at macports.org writes:

> On 2014-01-24 17:51, Sean Farley wrote:
>> 
>> egall at gwmail.gwu.edu writes:
>> 
>>> Just so it can remove it with the `+debug` variant that it adds, it looks
>>> like...
>> 
>> Eric is correct. In hindsight, I am now doubting adding
>> -mtune=native. Maybe just the -O3 -Ofast etc.?
>
> For a debug target, I would expect the contrary. Optimization may
> reorder code, causing your debugger to jump in weird ways in your
> high-level code when stepping. Also it will inline code when possible,
> removing function calls and the corresponding symbols, so you can't
> break on them anymore.

So, one of the confusing things about this portgroup is that it adds
optimization flags by default and then removes them if the +debug
variant is selected.