build Android arm64-v8a wheel

.github/workflows/compile.yml

@@ -119,10 +119,64 @@ jobs:
         with:
           name: tinymesa-whl-${{ matrix.tag }}-${{ matrix.os }}
           path: dist/
+  android:
+    name: Build tinymesa mesa-25.2.7 on Android arm64
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Setup tinymesa
+        uses: ./.github/actions/setup
+      - name: Verify Android NDK
+        shell: bash
+        run: |
+          test -x "${ANDROID_SDK_ROOT}/ndk/29.0.14206865/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android25-clang"
+      - name: Clone mesa
+        run: git clone --depth 1 --branch mesa-25.2.7 https://gitlab.freedesktop.org/mesa/mesa.git ${{ github.workspace }}/mesa
+      - name: Patch mesa
+        run: ./apply_patches.py ${{ github.workspace }}/mesa mesa-25.2.7
+      - name: Build mesa
+        shell: bash
+        run: |
+          TOOLCHAIN=${ANDROID_SDK_ROOT}/ndk/29.0.14206865/toolchains/llvm/prebuilt/linux-x86_64
+          cat > ${{ runner.temp }}/android.ini <<EOF
+          [binaries]
+          ar = '${TOOLCHAIN}/bin/llvm-ar'
+          c = '${TOOLCHAIN}/bin/aarch64-linux-android25-clang'
+          cpp = '${TOOLCHAIN}/bin/aarch64-linux-android25-clang++'
+          strip = '${TOOLCHAIN}/bin/llvm-strip'
+          [host_machine]
+          system = 'android'
+          cpu_family = 'aarch64'
+          cpu = 'armv8'
+          endian = 'little'
+          [properties]
+          needs_exe_wrapper = true
+          EOF
+          cd ${{ github.workspace }}/mesa
+          meson setup build/ --cross-file=${{ runner.temp }}/android.ini -Db_staticpic=true -Dplatforms=android -Dplatform-sdk-version=25 -Dandroid-stub=true -Dandroid-libbacktrace=disabled -Dgallium-drivers="[]" -Dvulkan-drivers=freedreno -Dfreedreno-kmds=kgsl -Dllvm=disabled -Dshader-cache=disabled -Dzstd=disabled -Dzlib=disabled -Dopengl=false -Degl=disabled -Dgbm=disabled -Dvideo-codecs="[]"
+          meson compile -C build tinymesa
+      - name: Build wheel
+        run: |
+          if [[ "$GITHUB_REF" == refs/tags/v* ]]; then
+            VERSION_ARG=(--tag "$GITHUB_REF_NAME")
+          else
+            VERSION_ARG=(--sha "${GITHUB_SHA::7}")
+          fi
+
+          ./build_wheel.py "${VERSION_ARG[@]}" \
+            --platform android_25_arm64_v8a \
+            mesa-25.2.7 ${{ github.workspace }}/mesa/build/src/tinymesa/libtinymesa.so
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: tinymesa-whl-mesa-25.2.7-android-arm64-v8a
+          path: dist/
+
   release:
     name: Release tinymesa
     runs-on: ubuntu-22.04
-    needs: tinymesa
+    needs: [ tinymesa, android ]
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
     environment:
       name: pypi

README.md

@@ -82,3 +82,9 @@ all these symbols, but in addition, a subset of symbols from `gallium`
 (see release notes), and as a result depends on LLVM-20.
 
 Builds are automatically generated upon new releases of mesa (checked daily).
+
+### Android
+
+Android arm64-v8a wheels target API 25 and currently ship
+`libtinymesa.so` with NIR + IR3/freedreno support. NAK is not included,
+and `libtinymesa_cpu.so`/LLVMpipe is not built.

meson.build

@@ -52,6 +52,10 @@ foreach sym : ir3_symbols
   ir3_link_args += '-Wl,-u,' + symbol_prefix + sym
 endforeach
 
-shared_library('tinymesa', link_whole : [ _libnir ], link_args : nak_link_args+ir3_link_args, link_with : [ libfreedreno_ir3, libfreedreno_common ], dependencies : [ idep_nak ])
-shared_library('tinymesa_cpu', link_whole : [ _libnir ], link_args : lvp_link_args+nak_link_args+ir3_link_args, link_with : [ libfreedreno_ir3, libfreedreno_common, libgallium ], dependencies : [ idep_nak ])
+if host_machine.system() == 'android'
+  shared_library('tinymesa', link_whole : [ _libnir ], link_args : ir3_link_args, link_with : [ libfreedreno_ir3, libfreedreno_common ])
+else
+  shared_library('tinymesa', link_whole : [ _libnir ], link_args : nak_link_args+ir3_link_args, link_with : [ libfreedreno_ir3, libfreedreno_common ], dependencies : [ idep_nak ])
+  shared_library('tinymesa_cpu', link_whole : [ _libnir ], link_args : lvp_link_args+nak_link_args+ir3_link_args, link_with : [ libfreedreno_ir3, libfreedreno_common, libgallium ], dependencies : [ idep_nak ])
+endif