Add ios build files

I have no idea what I'm doing

.github/workflows/pojav-gallium-ios.yml

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+
+name: Build iOS
+
+on:
+  [push, pull_request]
+
+jobs:
+  build:
+    runs-on: macos-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Build iOS
+        run: |
+          git clone --depth 1 https://github.com/KhronosGroup/MoltenVK
+          brew install meson pkg-config
+          # sudo apt install -y meson libxrandr-dev libxxf86vm-dev libxshmfence-dev libxcb-*-dev libx11-xcb-dev libxfixes-dev libdrm-dev libx11-dev
+          # cp -R /usr/include/X11 include/
+          # cp -R /usr/include/xcb include/
+          # cp -R /usr/include/GL/* include/GL/
+          pip3 install mako
+          # -Dglx=gallium-xlib \
+          # -Dglx=dri
+          envsubst <ios-drm-${{matrix.arch}} >build-crossfile-drm
+          git clone --depth 1 https://gitlab.freedesktop.org/mesa/drm.git
+          cd drm
+          meson setup "build-ios-libdrm" \
+            --prefix=/Users/runner/work/unified-mesa-project/unified-mesa-project/libdrm \
+            --cross-file "../build-crossfile-drm" \
+            -Ddefault_library=static \
+            -Dintel=disabled \
+            -Dradeon=disabled \
+            -Damdgpu=disabled \
+            -Dnouveau=disabled \
+            -Dvmwgfx=disabled \
+            -Dfreedreno=disabled \
+            -Dvc4=disabled \
+            -Detnaviv=disabled
+          ninja -C build-ios-libdrm install
+          cd ..
+          envsubst <ios-${{matrix.arch}} >build-crossfile
+          meson build-ios-aarch64 \
+            --prefix="/tmp/mesa" \
+            --cross-file "build-crossfile" \
+            -Dmoltenvk-dir=../../../../MoltenVK/MoltenVK \
+            -Db_lundef=false \
+            -Dllvm=disabled \
+            -Dxlib-lease=disabled \
+            -Degl=disabled \
+            -Dgbm=disabled \
+            -Dglx=dri \
+            -Dglx-direct=true \
+            -Dopengl=true \
+            -Dosmesa=true \
+            -Dvulkan-drivers= \
+            -Dgallium-drivers=zink
+          ninja -C build-ios-aarch64 install
+          # cp build-ios-aarch64/src/gallium/drivers/zink/libzink.a /tmp/zink/lib/
+          install_name_tool -change /tmp/zink/lib/libglapi.0.dylib @executable_path/Frameworks/libglapi.0.dylib.framework/libglapi.0.dylib -add_rpath @executable_path/Frameworks/libMoltenVK.dylib.framework /tmp/zink/lib/libOSMesa.8.dylib
+      - name: Upload libraries
+        uses: actions/upload-artifact@v2
+        with:
+          name: libOSMesa
+          path: /tmp/mesa

ios-aarch64

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+[binaries]
+
+ar = 'ar'
+c = ['ccache', 'clang', '-O3', '-DVK_USE_PLATFORM_IOS_MVK', '-DVK_USE_PLATFORM_METAL_EXT', '-DVK_ENABLE_BETA_EXTENSIONS', '-arch', 'arm64', '-isysroot', '/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk', '-miphoneos-version-min=12.0', '-fPIC']
+cpp = ['ccache', 'clang++', '-O3', '-DVK_USE_PLATFORM_IOS_MVK', '-DVK_USE_PLATFORM_METAL_EXT', '-DVK_ENABLE_BETA_EXTENSIONS', '-arch', 'arm64', '-isysroot', '/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk', '-miphoneos-version-min=12.0', '-fPIC', '-fno-exceptions', '-fno-unwind-tables', '-fno-asynchronous-unwind-tables', '-static-libstdc++']
+c_ld = 'ld'
+cpp_ld = 'ld'
+strip = '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=/Users/runner/work/unified-mesa-project/unified-mesa-project/libdrm', 'pkg-config']
+
+[host_machine]
+# or linux?
+system = 'darwin'
+cpu_family = 'arm'
+cpu = 'armv8'
+endian = 'little'

ios-drm-aarch64

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+[binaries]
+
+ar = 'ar'
+c = ['ccache', 'clang', '-O3', '-DVK_USE_PLATFORM_IOS_MVK', '-DVK_USE_PLATFORM_METAL_EXT', '-DVK_ENABLE_BETA_EXTENSIONS', '-arch', 'arm64', '-isysroot', '/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk', '-miphoneos-version-min=12.0', '-fPIC']
+cpp = ['ccache', 'clang++', '-O3', '-DVK_USE_PLATFORM_IOS_MVK', '-DVK_USE_PLATFORM_METAL_EXT', '-DVK_ENABLE_BETA_EXTENSIONS', '-arch', 'arm64', '-isysroot', '/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk', '-miphoneos-version-min=12.0', '-fPIC', '-fno-exceptions', '-fno-unwind-tables', '-fno-asynchronous-unwind-tables', '-static-libstdc++']
+c_ld = 'ld'
+cpp_ld = 'ld'
+strip = '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=.', 'pkg-config']
+
+[host_machine]
+# or linux?
+system = 'darwin'
+cpu_family = 'arm'
+cpu = 'armv8'
+endian = 'little'