upd and patches

assets/var/gnu/mesa.md

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+mesa 26.1.4
+=
+https://gitlab.freedesktop.org/mesa/mesa/-/archive/mesa-26.1.4/mesa-mesa-26.1.4.tar.gz
+
+``` sh *** build ***
+pip3 install mako pyyaml
+command -v bindgen >/dev/null 2>&1 || cargo install bindgen-cli
+pkg link rustup
+mkdir -p build; cd build
+meson setup --prefix=$pkgpath --buildtype=release \
+  -Dgallium-drivers=radeonsi,zink \
+  -Dvulkan-drivers=amd \
+  -Dglx=dri \
+  -Degl=enabled \
+  -Dgbm=enabled \
+  -Dplatforms=x11,wayland \
+  ..
+ninja
+ninja install
+```
+
+``` cfg *** build deps ***
+glslang
+llvm/libclc
+libxshmfence
+libxxf86vm
+```
+