Tracing where build time is spent

Luboš Luňák l.lunak at
Mon Feb 17 10:51:26 UTC 2020

On Sunday 16 of February 2020, Noel Grandin wrote:
> On Sun, 16 Feb 2020 at 16:33, Luboš Luňák <l.lunak at> wrote:
> > - It takes 3 minutes to unpack the 100MiB bzip2 tarball of boost, which
> > unpacks to about 0.5GiB of stuff including generated html docs. It would
> > be a
> > cheap gain to get rid of all doc/ example/ test/ and repack it as .xz .
> >
> > Or maybe teach the unpacker to skip those?

 I think you cannot teach unpacker to skip parts of .tar.XYZ , it pretty much 
always has to unpack the whole thing to get the .tar . Besides, a small 
script in external/boost should be simple and do savings everywhere, and it's 
not like we always use genuine upstream tarballs.

 Luboš Luňák
 l.lunak at

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