--- Log opened Fri Apr 29 00:00:08 2022
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07:01 < hebasto> why we are still processing boost in our depends, as being header-only we could safely rely on system-wide boost headers? For release binaries boost version is being fixed by guix commit
07:39 < fanquake> There's nothing particularly safer about system packages. In fact there's a good chance they are being patches in various ways.
07:39 < fanquake> System packages are also not useful when they are too *old*, or broken.
07:40 < fanquake> Users should just have the option to be able to just compile locally using the exact same dependencies as releases.
07:41 < sipa> This argument also applies to every depedency I think?
07:42 < hebasto> btw, it is not guaranteed now, because if boost is absent (for some reasons) in depends, build system silently uses system-wide headers
07:42 < fanquake> yes, the same applies to every dependency
07:42 < fanquake> why would boost be absent in depends
07:43 < sipa> Like yes with guix we can control which exact version of every dependency (at least the ones that exist in guix) - but having depends as a level "between" just a native build and a guix build
07:43 < sipa> is still useful
07:43 < fanquake> there isn't even an option to configure a depends build with no boost
07:43 < fanquake> sipa; yes exactly, it's the same reason we maintain a way to cross-compile for macos in depends. even though we use guix clang for releases
07:44 < sipa> depends' goal is building a build with the same code as release builds, but without the overhead of the guix machinery that gets us binary reproducibility
07:45 < hebasto> if some required boost header is missed in depends, it will be unnoticed
07:45 < sipa> that sounds like a sanity check could be added for that
07:46 < fanquake> #24742 will become somewhat a sanity check for that, because the copying will barf if certain headers are missing from the tarball
07:46 < gribble> https://github.com/bitcoin/bitcoin/issues/24742 | build: prune Boost headers in depends by fanquake · Pull Request #24742 · bitcoin/bitcoin · GitHub
07:46 < fanquake> I have some more changes to trim down the required headers there
07:47 < hebasto> cool
08:14 < laanwj> at least nothing is compiled for boost anymore, it's only copying headers, narrowing down the copied headers to only what we (indirectly) use would be a further improvement
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--- Log closed Sat Apr 30 00:00:09 2022