tce-load -i compiletc meson libdrm-dev wayland-dev wayland-protocols-dev libXvmc-dev libXdamage-dev libxshmfence-dev libXxf86vm-dev libXrandr-dev gettext elfutils-dev zstd-dev glslang python3.14-pyyaml python3.14-mako llvm22-dev libclc-dev spirv-llvm-translator-dev clang libva22-dev libdisplay-info-dev

wget https://mesa.freedesktop.org/archive/mesa-26.0.7.tar.xz

llvm required for the r300, r600, and radeonsi drivers, and the LLVMpipe software rasterizer which can make the swrast driver much faster

Mesa Drops VDPAU Video Acceleration In Favor Of VA-API

cd mesa-26.0.7

mkdir build
cd build

CC="gcc -flto -
mtune=generic -Os -pipe" CXX="g++ -flto -mtune=generic -Os -pipe -DNDEBUG" meson --prefix=/usr/local --buildtype=plain  -Dplatforms="x11,wayland" -Dvalgrind=disabled -Dlibunwind=disabled -Dvulkan-drivers="amd,intel,intel_hasvk,swrast" -Dvideo-codecs=all_free ../

[-fno-rtti fails]

ninja [31m 44.60s]
sudo ninja install

mesa 26.0.7

  Directories
    prefix           : /usr/local
    libdir           : lib
    includedir       : include

  Common C and C++ arguments
    c_cpp_args       : -mtls-dialect=gnu2

  OpenGL
    OpenGL           : YES
    ES1              : YES
    ES2              : YES
    GLVND            : NO

  DRI
    Platform         : drm
    Driver dir       : /usr/local/lib/dri

  GLX
    Enabled          : YES
    Provider         : dri

  EGL
    Enabled          : YES
    Drivers          : builtin:egl_dri2 builtin:egl_dri3
    Platforms        : x11 wayland surfaceless drm xcb

  GBM
    Enabled          : YES
    External libgbm  : NO
    Backends path    : /usr/local/lib/gbm

  Vulkan
    Drivers          : amd intel intel_hasvk swrast
    Platforms        : x11 wayland surfaceless drm xcb
    ICD dir          : share/vulkan/icd.d
    Intel Ray tracing: YES

  Video
    Codecs           : all_free av1dec av1enc vp9dec mpeg12dec jpegdec
    APIs             : va vulkan

  LLVM
    Required         : enabled
    Version          : 22.1.0

  Gallium
    Enabled          : YES
    Drivers          : r300 r600 radeonsi nouveau virgl svga llvmpipe softpipe iris crocus i915 zink
    Platforms        : x11 wayland surfaceless drm xcb
    Frontends        : mesa va
    HUD lm-sensors   : NO

  Perfetto
    Enabled          : NO

  Teflon (TensorFlow Lite delegate)
    Enabled          : NO

  User defined options
    buildtype        : plain
    libunwind        : disabled
    platforms        : x11,wayland
    prefix           : /usr/local
    valgrind         : disabled
    video-codecs     : all_free
    vulkan-drivers   : amd,intel,intel_hasvk,swrast