tce-load -i compiletc meson libdrm-dev wayland-dev wayland-protocols libXvmc-dev libXdamage-dev libxshmfence-dev libXxf86vm-dev libXrandr-dev gettext libelf-dev zstd-dev glslang python3.11-pip libvulkan-dev llvm-19-dev

sudo pip install mako pyyaml

sudo cp /tmp/tcloop/llvm19-dev/usr/local/bin/llvm-config /usr/local/bin

wget https://archive.mesa3d.org//mesa-24.2.5.tar.xz
wget https://www.linuxfromscratch.org/patches/blfs/svn/mesa-add_xdemos-3.patch

cd mesa-24.2.5

patch -Np1 -i ../mesa-add_xdemos-3.patch

mkdir build
cd build

CC="gcc -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" CXX="g++ -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe -DNDEBUG" meson --prefix=/usr/local --buildtype=plain -Dvalgrind=disabled -Dplatforms="x11,wayland" -Dgallium-drivers="vc4,v3d,virgl,llvmpipe" -Dvulkan-drivers="broadcom,swrast" ../

[-fno-rtti fails]

ninja [10m 53.82s]
sudo ninja install