On Tue, 25 Nov 2025 at 14:54, Alexander Kanavin via
lists.yoctoproject.org <[email protected]>
wrote:
> BB_HASHSERVE_SHARED_DB = "/path/to/common/hashserv.db"
>
> bitbake-setup would put this (and SSTATE_DIR) into site.conf that is
> symlinked into every build.
I quickly hacked bitbake's cooker.py to try this out:
- dbfile = (self.data.getVar("PERSISTENT_DIR") or
self.data.getVar("CACHE")) + "/hashserv.db"
+ dbfile = "/home/alex" + "/hashserv.db"
And then made two build directories with shared SSTATE_DIR.
TL;DR: everything ran smoothly and as expected.
I ran overlapping builds, added no-ops to gnu-config recipe to 'force'
hash equivalency, and there were no errors or crashes, and sstate was
reused as expected.
So I think we should do it like this, subject to 'shared-sstate'
setting in bitbake-setup, on by default.
Alex
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