On Mon, 2017-09-18 at 17:00 +0100, Emil Velikov wrote: > Hi all, > > As you may know, different components in Mesa use LLVM for various purposes. > > In particular: > - 3.3.0 for the aux gallium module, gallivm > - 3.6.0 for the opencl state-tracker, clover > - 3.9.0 for multiple drivers r600, radeonsi, radv and swr > > AFAICT gallivm is build on Windows, and using newer LLVM in there is > rather hard/messy. > > On the other hand, Clover is built on Linux/BSD platforms. Which seems > to be OK wrt availability and the respective packaging. > So leaving the former out for now, I'm wondering if we cannot bump the > Clover requirement to 3.9.0. > > Quick search shows: > - Debian - 3.9 since stretch (stable) > - Ubuntu - 3.9 since trusty (14.04LTS) > - FreeBSD - 3.9 > - openSUSE - 3.9 since Leap 42.2 (unofficial), official since Tumbleweed > - Fedora - 3.9 since F25 > - Gentoo - 3.9 is marked as stable > - Archlinux - using 5.0 > > Note: older enterprise distributions seems to be in the cold. > Yet there's little point in them building Clover since it cannot be > run on those.
another thing to consider is that libclc supports only llvm >=4 since Nov 2016. I considered re-enabling 3.9, but it's a bit more complicated than making sure that the library prepare tool compiles/works. amdgpu changed abi, so we'd end up with bugs like [0]. Jan [0] https://bugs.freedesktop.org/show_bug.cgi?id=99856 > > Thanks > Emil > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/mesa-dev
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