Comment # 14
on bug 98964
from Emil Velikov
(In reply to Zoltán Böszörményi from comment #12) > (In reply to Emil Velikov from comment #11) > > Above all: yes using hard links is nasty. > > Thanks for confirming. :-) > > > If you're having a single (or multiple fixed) GPU system then building > > multiple drivers is a _very_ bad idea. If you're doing that for embedded > > systems then it gets even worse. Thus having separate $driver subpackages > > makes no sense :-( > > I never said it is the same machine all across the board. All of them are > single GPU ones, but historically we have systems with: > AMD RS780 > NVIDIA (ION1, ION2 and some third one, for our workload, Nouveau is enough) > AMD Kabini > AMD Kaveri > Intel D525 > Most recently Intel J1900 > > The same OS must run on all of them, so it does make sense to build > different drivers into Mesa but it was also a necessity to save space where > we can. Hence the symlink solution. Custom made OS based on Yocto. > If it's an embedded solution you'd want to optimise for the particular hardware. Namely - compiler optimisations, slimmed down kernel, small drivers, static linking, LTO etc. Sounds like you're aiming at embedded while doing things like a normal distro (barring that those actually ship all the drivers in one package). > Even if the hardlinks are used, bitbake in Yocto has a separate packaging > stage after "make install" that copies files instead of moving them so even > a single subpackage containing all drivers would end up with broken > hardlinks, thus requiring multiples of what is needed solely for the > gallium_dri.so and mesa_dri_drivers.so megadrivers. Sounds like Yocto is broken (like many distros were). Lookup on cp's --preserve= options. I fear I dealt more than enough off-topic. If you're interested in more poke me privately or via the mesa-dev mailing list.
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