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Date: Fri, 26 Nov 2021 19:26:57 +0100
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Subject: Re: [OE-core] [docs] [PATCH] dev-manual: how to purge duplicate sstate cache files
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From: "Jacob Kroon" <jacob.kroon@gmail.com>
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To: Michael Opdenacker <michael.opdenacker@bootlin.com>, Vyacheslav Yurkov <uvv.mail@gmail.com>, docs@lists.yoctoproject.org, openembedded-core@lists.openembedded.org
Cc: "Robert P. J. Day" <rpjday@crashcourse.ca>

On 11/26/21 18:23, Michael Opdenacker wrote:
> Hi Jacob,
> 
> Thank you for the suggestion!
> 
> On 11/26/21 10:20 AM, Jacob Kroon wrote:
>> I also use the --stamps-dir method since that removes additional files.
>> You just gotta remember to do a build of everything you want to keep first.
> 
> 
> I don't understand the value of this option in the simple case when you
> have a single build directory.  Here's the description of this option:
> 
>   --stamps-dir=<dir1>,<dir2>...<dirn>
>         Specify the build directory's stamps directories, the sstate
>         cache file which IS USED by these build diretories will be KEPT,
>         other sstate cache files in cache-dir will be removed. Use ","
>         as the separator. For example:
>         --stamps-dir=build1/tmp/stamps,build2/tmp/stamps
> 
> What am I missing?
> 

--stamps-dir=${TMPDIR}/stamps

in a default build dir I think that would be "build/tmp-glibc/stamps"