Add Android build for SDL

.github/workflows/native.yml

@@ -76,8 +76,9 @@ jobs:
           name: natives-${{ matrix.flat.target }}-${{ matrix.flat.runtime }}
           path: |
             ./.workaround-*.txt
-            ./${{ matrix.flat.dir }}/runtimes/${{ matrix.flat.runtime }}/**/*
-            ./${{ matrix.flat.dir}}/lib/*${{ matrix.flat.runtime }}*/**/*
+            ./${{ matrix.flat.dir }}/runtimes/${{ format('{0}{1}', matrix.flat.runtime, !contains(matrix.flat.runtime, '-') && '*' || '') }}/**/*
+            ./${{ matrix.flat.dir }}/lib/*${{ matrix.flat.runtime }}*/**/*
+            ./${{ matrix.flat.dir }}/*${{ matrix.flat.runtime }}*/**/*
   commit:
     name: Commit Binaries
     needs: [prerequisites, build]

.gitignore

@@ -497,3 +497,4 @@ src/Website/Silk.NET.Statiq/cache
 !**/lib/**/*.aar
 build/
 !eng/build/
+.workaround*

Directory.Build.props

@@ -65,13 +65,4 @@
     <VersionDependsOn>SilkShippingControl;$(VersionDependsOn)</VersionDependsOn>
     <PackageVersionDependsOn>SilkShippingControl;$(PackageVersionDependsOn)</PackageVersionDependsOn>
   </PropertyGroup>
-
-  <!-- SourceLink -->
-  <PropertyGroup Condition="'$(SilkSourceLinkExempt)' == ''">
-    <DebugType>portable</DebugType>
-    <EmbedAllSources>true</EmbedAllSources>
-    <EmbedUntrackedSources>true</EmbedUntrackedSources>
-    <IncludeSymbols>true</IncludeSymbols>
-    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-  </PropertyGroup>
 </Project>

Directory.Build.targets

@@ -139,14 +139,28 @@
   </UsingTask>
 
   <Target Name="SilkShippingControl" BeforeTargets="BeforeBuild">
+    <!-- SourceLink -->
+    <PropertyGroup Condition="'$(SilkSourceLinkExempt)' == '' and '$(SilkNativePackage)' != 'true' and '$(SilkMetapackage)' != 'true'">
+      <DebugType>portable</DebugType>
+      <EmbedAllSources>true</EmbedAllSources>
+      <EmbedUntrackedSources>true</EmbedUntrackedSources>
+      <IncludeSymbols>true</IncludeSymbols>
+      <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    </PropertyGroup>
+    <!-- Non-C# packages (i.e. metapackages, natives) -->
+    <PropertyGroup Condition="'$(SilkNativePackage)' == 'true' or '$(SilkMetapackage)' == 'true'">
+      <IncludeBuildOutput>false</IncludeBuildOutput>
+      <NoWarn>NU5128</NoWarn>
+    </PropertyGroup>
     <!-- Public API -->
     <PropertyGroup Condition="'$(SilkTrackPublicAPI)' != 'true' or '$(TargetFramework)' == ''">
       <SilkTrackPublicAPI>false</SilkTrackPublicAPI>
     </PropertyGroup>
     <ItemGroup Condition="'$(SilkTrackPublicAPI)' == 'true'">
       <PackageReference Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" PrivateAssets="All" />
     </ItemGroup>
-    <ItemGroup Condition="'$(SilkSourceLinkExempt)' == ''">
+    <!-- SourceLink -->
+    <ItemGroup Condition="'$(SilkSourceLinkExempt)' == '' and '$(SilkNativePackage)' != 'true' and '$(SilkMetapackage)' != 'true'">
       <PackageReference Include="DotNet.ReproducibleBuilds" PrivateAssets="All"/>
       <PackageReference Include="DotNet.ReproducibleBuilds.Isolated" PrivateAssets="All"/>
     </ItemGroup>
@@ -178,12 +192,12 @@
       <PackageVersion Condition="'$(VersionSuffix)' != ''">$(SilkVersion)-$(VersionSuffix)</PackageVersion>
     </PropertyGroup>
     <!-- Trimming -->
-    <PropertyGroup>
-      <IsTrimmable Condition="'$(SilkTrimmingExempt)' == ''">true</IsTrimmable>
-      <EnableTrimAnalyzer Condition="'$(SilkTrimmingExempt)' == ''">true</EnableTrimAnalyzer>
-      <EnableAotAnalyzer Condition="'$(SilkTrimmingExempt)' == ''">true</EnableAotAnalyzer>
-      <EnableSingleFileAnalyzer Condition="'$(SilkTrimmingExempt)' == ''">true</EnableSingleFileAnalyzer>
-      <TrimMode Condition="'$(SilkTrimmingExempt)' == ''">full</TrimMode>
+    <PropertyGroup Condition="'$(SilkTrimmingExempt)' == ''">
+      <IsTrimmable>true</IsTrimmable>
+      <EnableTrimAnalyzer>true</EnableTrimAnalyzer>
+      <EnableAotAnalyzer>true</EnableAotAnalyzer>
+      <EnableSingleFileAnalyzer>true</EnableSingleFileAnalyzer>
+      <TrimMode>full</TrimMode>
     </PropertyGroup>
   </Target>
 </Project>

sources/Core/Silk.NET/Silk.NET.csproj

@@ -6,9 +6,7 @@
         <Nullable>enable</Nullable>
         <SilkDescription>A package that will pull in all non-extension Silk.NET packages for every API.</SilkDescription>
         <SilkExtendedDescription>You probably don't want all that, and it is strongly recommended to pull in only the packages you need instead. This package exists just to simplify project bring-up.</SilkExtendedDescription>
-        <IncludeBuildOutput>false</IncludeBuildOutput>
-        <SilkSourceLinkExempt>true</SilkSourceLinkExempt>
-        <NoWarn>NU5128</NoWarn>
+        <SilkMetapackage>true</SilkMetapackage>
     </PropertyGroup>
 
     <ItemGroup>

sources/SDL/Native/build-android.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env -S bash -eu
+
+if [ ! -e ../../../eng/submodules/sdl/CMakeLists.txt ]; then
+    git submodule update --init --recursive --depth 1 ../../../eng/submodules/sdl
+fi
+
+if [ ! -z "$GITHUB_ACTIONS" ]; then
+  # NDK already installed: https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2404-Readme.md
+  sdkmanager --install "platforms;android-19"
+fi
+
+../../../eng/submodules/sdl/build-scripts/build-release.py --actions android --root ../../../eng/submodules/sdl
+mkdir -p runtimes/android-x86/native runtimes/android-x64/native runtimes/android-arm/native runtimes/android-arm64/native android
+cp ../../../eng/submodules/sdl/install-android/arm64-v8a-install/lib/libSDL3.so runtimes/android-arm64/native
+cp ../../../eng/submodules/sdl/install-android/armeabi-v7a-install/lib/libSDL3.so runtimes/android-arm/native
+cp ../../../eng/submodules/sdl/install-android/x86-install/lib/libSDL3.so runtimes/android-x86/native
+cp ../../../eng/submodules/sdl/install-android/x86_64-install/lib/libSDL3.so runtimes/android-x64/native
+jars=( ../../../eng/submodules/sdl/install-android/armeabi-v7a-install/share/java/SDL3/SDL3-*.jar )
+cp "${jars[1]}" android/SDL3.jar