Re: ESC meeting minutes: 2020-01-16

[Luboš Luňák <l.lunak@xxxxxxxxxxxxx>]

On Thursday 16 of January 2020, Stephan Bergmann wrote:
> On 16/01/2020 16:50, Luboš Luňák wrote:
> >   Note that distclean cleans up the clang compiler plugin, so for the
> > clang slaves that would practically disable ccache.
>
> Wasn't that ccache set up to ignore changes to the plugin?  (But I may
> well mis-remember, and generally don't know much about ccache and
> setting it up.)

 I don't know if something special has been done about ccache for Jenkins 
builds, but normally ccache for each compilations remembers a hash of 
everything the compilation depends on, and verifies it before reusing a 
cached result. Compiling the clang plugin again will change the file (unless 
somebody knows how to prevent that), and so the hash will change.

-- 
 Luboš Luňák
 l.lunak@xxxxxxxxxxxxx
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