Implement CI

.github/workflows/android.yml

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+name: Build Android
+
+on:
+  [push, pull_request]
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  build:
+    strategy:
+      matrix:
+        arch: [ "arm32", "aarch64" ]
+      fail-fast: false
+
+    name: "Build for ${{matrix.arch}}"
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Disable symlinks in git config
+        run: git config --global core.symlinks false
+
+      - uses: actions/checkout@v2
+
+      - name: Build
+        run: |
+          sudo apt update
+          sudo apt install -y meson libxrandr-dev libxxf86vm-dev libxcb-*-dev libx11-xcb-dev libxfixes-dev libdrm-dev libx11-dev
+          pip3 install mako
+          export ANDROID_NDK_HOME="$ANDROID_SDK_ROOT/ndk-bundle"
+	  # Build plain libdrm as a static library
+          envsubst <android-drm-${{matrix.arch}} >build-crossfile-drm
+          git clone --depth 1 https://gitlab.freedesktop.org/mesa/drm.git
+          cd drm
+          meson setup "build-android" \
+            --prefix=/tmp/drm-static \
+            --cross-file "../build-crossfile-drm" \
+            -Dintel=disabled \
+            -Dradeon=disabled \
+            -Damdgpu=disabled \
+            -Dnouveau=disabled \
+            -Dvmwgfx=disabled \
+            -Dfreedreno=disabled \
+            -Dvc4=disabled \
+            -Detnaviv=disabled
+          ninja -C "build-android" install
+          cd ..
+	  #Now, build OSMesa with panfrost
+          envsubst <android-${{matrix.arch}} >build-crossfile
+          meson setup "build-android" \
+            --prefix=/tmp/zink \
+            --cross-file "build-crossfile" \
+            -Dplatforms=android \
+            -Dplatform-sdk-version=25 \
+            -Dandroid-stub=true \
+            -Dllvm=disabled \
+            -Dxlib-lease=disabled \
+            -Degl=disabled \
+            -Dgbm=disabled \
+            -Dglx=disabled \
+            -Dopengl=true \
+            -Dosmesa=true \
+            -Dvulkan-drivers= \
+            -Dgallium-drivers=swrast,zink \
+            -Dshared-glapi=false
+          ninja -C "build-android" install
+      - name: Upload libraries
+        uses: actions/upload-artifact@v2
+        with:
+          name: libzink_${{matrix.arch}}
+          path: /tmp/zink

android-aarch64

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+[binaries]
+ar = '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar'
+c = ['ccache', '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android26-clang', '-O3', '-DVK_USE_PLATFORM_ANDROID_KHR', '-fPIC']
+cpp = ['ccache', '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android26-clang++', '-O3', '-DVK_USE_PLATFORM_ANDROID_KHR', '-fPIC', '-fno-exceptions', '-fno-unwind-tables', '-fno-asynchronous-unwind-tables', '-static-libstdc++']
+c_ld = 'lld'
+cpp_ld = 'lld'
+strip = '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-strip'
+# Android doesn't come with a pkg-config, but we need one for meson to be happy not
+# finding all the optional deps it looks for.  Use system pkg-config pointing at a
+# directory we get to populate with any .pc files we want to add for Android
+
+# Also, include the plain DRM lib we found earlier. Panfrost relies on it rather heavily, especially when
+# interacting with the panfrost DRM module and not kbase
+
+pkgconfig = ['env', 'PKG_CONFIG_LIBDIR=.:/tmp/drm-static/lib/pkgconfig', '/usr/bin/pkg-config']
+
+[host_machine]
+system = 'linux'
+# cpu_family = 'x86_64'
+# cpu = 'amd64'
+
+# ik this is wrong but workaround sanity check
+cpu_family = 'arm'
+cpu = 'armv8'
+
+endian = 'little'

android-arm32

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+[binaries]
+ar = '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar'
+c = ['ccache', '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi26-clang', '-O3', '-DVK_USE_PLATFORM_ANDROID_KHR', '-fPIC']
+cpp = ['ccache', '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi26-clang++', '-O3', '-DVK_USE_PLATFORM_ANDROID_KHR', '-fPIC', '-fno-exceptions', '-fno-unwind-tables', '-fno-asynchronous-unwind-tables', '-static-libstdc++']
+c_ld = 'lld'
+cpp_ld = 'lld'
+strip = '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-strip'
+# Android doesn't come with a pkg-config, but we need one for meson to be happy not
+# finding all the optional deps it looks for.  Use system pkg-config pointing at a
+# directory we get to populate with any .pc files we want to add for Android
+
+# Also, include the plain DRM lib we found earlier. Panfrost relies on it rather heavily, especially when
+# interacting with the panfrost DRM module and not kbase
+
+pkgconfig = ['env', 'PKG_CONFIG_LIBDIR=.:/tmp/drm-static/lib/pkgconfig', '/usr/bin/pkg-config']
+
+[host_machine]
+system = 'linux'
+# cpu_family = 'x86_64'
+# cpu = 'amd64'
+
+# ik this is wrong but workaround sanity check
+cpu_family = 'arm'
+cpu = 'armv7'
+
+endian = 'little'

android-drm-aarch64

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+[binaries]
+ar = '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar'
+c = ['ccache', '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android24-clang', '-O3', '-DVK_USE_PLATFORM_ANDROID_KHR', '-fPIC']
+cpp = ['ccache', '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android24-clang++', '-O3', '-DVK_USE_PLATFORM_ANDROID_KHR', '-fPIC', '-fno-exceptions', '-fno-unwind-tables', '-fno-asynchronous-unwind-tables', '-static-libstdc++']
+c_ld = 'lld'
+cpp_ld = 'lld'
+strip = '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-strip'
+# Android doesn't come with a pkg-config, but we need one for meson to be happy not
+# finding all the optional deps it looks for.  Use system pkg-config pointing at a
+# directory we get to populate with any .pc files we want to add for Android
+pkgconfig = ['env', 'PKG_CONFIG_LIBDIR=.', '/usr/bin/pkg-config']
+
+[host_machine]
+system = 'linux'
+# cpu_family = 'x86_64'
+# cpu = 'amd64'
+
+# ik this is wrong but workaround sanity check
+cpu_family = 'arm'
+cpu = 'armv8'
+
+endian = 'little'

android-drm-arm32

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+[binaries]
+ar = '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar'
+c = ['ccache', '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi24-clang', '-O3', '-DVK_USE_PLATFORM_ANDROID_KHR', '-fPIC']
+cpp = ['ccache', '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi24-clang++', '-O3', '-DVK_USE_PLATFORM_ANDROID_KHR', '-fPIC', '-fno-exceptions', '-fno-unwind-tables', '-fno-asynchronous-unwind-tables', '-static-libstdc++']
+c_ld = 'lld'
+cpp_ld = 'lld'
+strip = '$ANDROID_NDK_ROOT/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-strip'
+# Android doesn't come with a pkg-config, but we need one for meson to be happy not
+# finding all the optional deps it looks for.  Use system pkg-config pointing at a
+# directory we get to populate with any .pc files we want to add for Android
+pkgconfig = ['env', 'PKG_CONFIG_LIBDIR=.', '/usr/bin/pkg-config']
+
+[host_machine]
+system = 'linux'
+# cpu_family = 'x86_64'
+# cpu = 'amd64'
+
+# ik this is wrong but workaround sanity check
+cpu_family = 'arm'
+cpu = 'armv7'
+
+endian = 'little'