Package Details: mesa-git 25.2.0_devel.204321.de6efc01c12.d41d8cd-1

Git Clone URL: https://aur.archlinux.org/mesa-git.git (read-only, click to copy)
Package Base: mesa-git
Description: an open-source implementation of the OpenGL specification, git version
Upstream URL: https://www.mesa3d.org
Keywords: mesa wayland X11
Licenses: custom
Conflicts: libva-mesa-driver, mesa, mesa-libgl, mesa-vdpau, opencl-clover-mesa, opencl-rusticl-mesa, vulkan-intel, vulkan-mesa-layers, vulkan-nouveau, vulkan-radeon, vulkan-swrast, vulkan-virtio
Provides: libva-mesa-driver, mesa, mesa-libgl, mesa-vdpau, opencl-driver, opencl-rusticl-mesa, opengl-driver, vulkan-driver, vulkan-intel, vulkan-mesa-layers, vulkan-nouveau, vulkan-radeon, vulkan-swrast, vulkan-virtio
Submitter: Krejzi
Maintainer: rjahanbakhshi (Lone_Wolf)
Last Packager: rjahanbakhshi
Votes: 188
Popularity: 2.04
First Submitted: 2014-06-19 21:33 (UTC)
Last Updated: 2025-04-16 20:46 (UTC)

Dependencies (52)

Required by (1332)

Sources (6)

Pinned Comments

Lone_Wolf commented on 2024-09-10 19:58 (UTC)

removed obsolete options, build now works again.

building opencl clover is disabled for now, see https://gitlab.freedesktop.org/mesa/mesa/-/issues/11863

Those that need opencl should use rusticl instead. Note that rusticl at runtime is disabled by default, see https://docs.mesa3d.org/envvars.html#rusticl-environment-variables for info about enabling it.

Lone_Wolf commented on 2020-04-23 12:26 (UTC) (edited on 2023-03-30 07:04 (UTC) by Lone_Wolf)

Mesa and llvm are closely tied together. Everytime the llvm mesa is built against changes/updates , mesa needs to be rebuilt.

I expect anyone building mesa-git against one of the llvm trunk variants to be able to do that themselves, but atleast some of the people that built against repo llvm don't understand how to deal with such a rebuild.

The rest of this post is meant for those people.

  • Verify if latest PKGBUILD requirements match llvm repo versions.
  • If they don't , post to alert the maintainer of this.
  • DELAY the update of llvm/clang suite and their lib32- counterparts
  • Once the PKGBUILD does match, download it.

Option A - best one

  • run pacman -Syu to ensure your system is in sync with your mirrror server
  • build mesa-git in a clean chroot

see https://wiki.archlinux.org/index.php/DeveloperWiki:Building_in_a_clean_chroot for the official way or https://aur.archlinux.org/packages/clean-chroot-manager for an alternative method.

  • install the newly built mesa-git
  • run pacman -Syu
  • ready

Option B - 2nd best

  • revert to repo mesa
  • pacman -Syu
  • build mesa-git
  • switch from mesa to mesa-git
  • ready

Lone_Wolf commented on 2019-07-09 13:43 (UTC) (edited on 2023-04-18 10:41 (UTC) by Lone_Wolf)

  • choosing which llvm variant to build against

WARNING : aur helpers don't support this method at all. They check .SRCINFO and that doesn't include this variable so it will use the default which is hardcoded to build against repo llvm.

Why would I want to use llvm development versions ?

For full functionality and latest features mesa trunk master needs to be build against llvm trunk master.
If you build against stable llvm things MAY work, but you're likely to lack some features and face stability issues.

Mesa-git uses a custom environment variable MESA_WHICH_LLVM for flexibility.
It has 4 values.
1 : aur llvm-minimal-git
2 : aur llvm-git
3: llvm-git from LordHeavy' unofficial repo
4: llvm from extra repo

I use value 1 95% of the time and set this in ~/.bash_rc .
If MESA_WHICH_LLVM is unset or empty, the default value of 4 (extra llvm) is used.

Lone_Wolf commented on 2018-01-30 14:06 (UTC) (edited on 2023-02-12 11:56 (UTC) by Lone_Wolf)

  • main difference with stable repo package
[extra]mesa is a split package, but aur mesa-git isn't.
Basically with aur mesa-git you get everything in one package, while [extra]/mesa allows you to leave out some parts if you don't want/need them.
Having a single package reduces maintenance and makes switching from stable to mesa-git rather easy, though reverting back to stable can be tricky.
  • meson settings
Those who compare PKGBUILDs will notice I don't use arch-meson, but meson setup.
I disagree with some of the settings made by arch-meson (especially the buildtype and enabling LTO by default) and feel using meson setup is cleaner.
  • how to update

run pacman Syu update non-repo packages for llvm if you use them

build mesa-git, log out , update mesa-git and restart X .

run glxinfo -B to verify basic OpenGL functionality

build lib32-mesa-git

run glxinfo32 -B to verify basic OpenGL functionality for multilib programs

Latest Comments

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yurikoles commented on 2019-06-20 11:43 (UTC)

@Lone_Wolf

Why don't you just generate it with 

MESA_WHICH_LLVM='' makepkg --printsrcinfo > .SRCINFO

before uploading to AUR?

Terence commented on 2019-06-10 19:06 (UTC)

Thanks Lone_Wolf for pointing me to the right direction. I successfully created my own patch based on the MR, modified the libglvnd PKGBUILD to apply it and the missing files are now provided.

I opened a feature request on the tracker: https://bugs.archlinux.org/task/62869 Feel free to upvote it if you also have this problem and try the attached PKGBUILD and patch.

Lone_Wolf commented on 2019-06-10 10:58 (UTC)

Mesa 19.1 will include that commit, so both mesa-git and stock mesa would have to revert the commit.

Solving this in libglvnd is a much better solution .

The glvnd bug has a proposed patch (from april 28 ), try applying that to the glvnd package using abs/asp . Anyone willing to start a patched glvnd package should/could ask help on forum or arch-general, aur-general mailing lists.

https://github.com/NVIDIA/libglvnd/pull/86

Terence commented on 2019-06-09 02:10 (UTC)

Since https://cgit.freedesktop.org/mesa/mesa/commit/?id=b01524fff05eef66e8cd24f1c5aacefed4209f03, mesa doesn't provide libGLESv2.so and glesv2.pc anymore resulting in building problems: https://bugs.freedesktop.org/show_bug.cgi?id=110141 Can the commit be reverted until libglvnd behaves correctly?

Lone_Wolf commented on 2019-06-04 15:16 (UTC)

Thanks, Faalagorn.

Working on adjusting to that.

Lone_Wolf commented on 2019-06-04 15:15 (UTC) (edited on 2019-07-09 13:22 (UTC) by Lone_Wolf)

AUR Helpers are NOT supported

I built and test with makepkg. Building with Devtools and Clean Chroot Manager should work fine also (I test them occasionally).

This package and lib32-mesa-git use a custom method to dynamically determine which llvm version is to be used. Several AUR helpers (atleast pamac and yay) have problems with that method.

Incase you try to build mesa-git with one of those AUR helpers

& ARE NOT USING THE DEFAULT SETTING OF MESA_WHICH_LLVM ,

run makepkg --printsrcinfo > .SRCINFO after downloading and BEFORE building.

That should help pamac and yay to handle my custom method.

Faalagorn commented on 2019-06-02 23:36 (UTC)

lordheavy finally switched from -svn to -git in the "mesa-git" unofficial repo, so the PKGBUILDs might require an update to reflect that :)

Lone_Wolf commented on 2019-05-30 18:39 (UTC)

That sounds like those aur helpers use .SRCINFO to determine needed dependencies instead of the PKGBUILD itself.

The way this PKGBUILD works is that the real makedeps & deps are determined at buildtime.

It seems there's an implicit assumption in SRCINFO : the information in it is static and doesn't change.

For mesa-git and lib32-mesa-git that assumption fails.

I'm going to create a thread in AUR Issues, Discussion & PKGBUILD Requests forum board to discuss this.

yurikoles commented on 2019-05-30 16:49 (UTC)

but AUR helpers, e.g. yay want to install llvm-minimal-git before mesa-git

Lone_Wolf commented on 2019-05-30 13:17 (UTC)

Changed how NINJAFLAGS is used, package should now build ok if it's not defined.

That's correct yurikoles.

makepkg --printsrcinfo does process the PKGBUILD, sees MESA_WHICH_LLVM is set to 1 on my system, writes llvm-minimal-git as makedep and llvm-libs-minimal-git as dep in .SRCINFO .

When the user runs makepkg, it will use their systems value of MESA_WHICH_LLVM . If they haven't set it, makepkg will use the default of 4 and use extra llvm / llvm-libs .

The end result is : action is needed to build mesa-git against any llvm trunk version.

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