[Nix-dev] Debugging Symbols

[Adrien Devresse]

+1 to this proposal.

The current solution to recompile with a nix function is far to be a 
perfect solution:

- It happens often that recompiling with debug flags change the behavior 
of the progrm itself and make the crash/problem impossible to reproduce 
with debinfos.

- It is a pain when a crash happen in a low level library ( e.g libc ) 
and that half of the stack has to be recompiled just to get some debug 
informations.

Having an additional output with the deb symbols per derivation would be 
similar to the others packaging system (RPM, Deb) approach ( *-dbg.deb, 
*-debuginfo.rpm ).


Adev



Le 15/02/16 16:00, Kevin Cox a écrit :
> On Mon, 2016-02-15 at 15:50 +0100, Luca Bruno wrote:
>> +1, with the multi outputs branch [1] it makes a lot of sense to ship 
>> an additional output for debug symbols, instead of rebuilding the 
>> program using Nix functions [2]
>>
>> [1] https://github.com/NixOS/nixpkgs/pull/7701
>> [2] https://github.com/NixOS/nixpkgs/blob/master/pkgs/misc/misc.nix#L113
>
> Definitely! Having the debug function would still be useful because 
> debugging optimized programs is often difficult but the symbols 
> version can go away because all programs would have symbols already.
>
>
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