kicad-developers team mailing list archive

[Nick Østergaard <oe.nick@xxxxxxxxx>]

2014-10-22 15:16 GMT+02:00 Lorenzo Marcantonio <l.marcantonio@xxxxxxxxxxxx>:
> On Wed, Oct 22, 2014 at 02:01:44PM +0100, Tim Hutt wrote:
>> Hi,
>>
>> I'm trying to do some kicad development on windows. I initially downloaded
>> & built it with kicad-winbuilder which went without a hitch. Kicad runs
>> fine.
>>
>> However, if I perform a null-rebuild (i.e. I don't change anything and just
>> run `make` again), it takes about 70 seconds to run. That's quite a while
>> isn't it? My PC is pretty fast (quad core 3.3 GHz i5, 16GB RAM), so I
>> wouldn't have expected it to take so long. Is this just a feature of cmake?
>
> It needs to check *a lot* of dependencies and timestamps; also each
> submakefile has its own overhead.
>
> Probably cmake is slightly slower than automake, but IMHO not really
> significant on a typical build. In fact even with distcc, I find linking
> the heaviest step... consider this output for a full debug build:
>
> -rwxr-xr-x 1 lomarcan lomarcan 268684355 ott  4 15:51 _pcbnew.kiface
>
> Yes, it's more than 256MB of stuff :D it takes a while to do that (if
> only to read and write from disk).

My _pcbnew.kiface is just 16MB, but I guess that is because it is a
Release build. No wonder a Debug build takes so much longer to build
then. (If that is why your kiface is so big)