Trimmer switches to reduce size

jonathanpeppers · Jan 31, 2024 · 98626d5 · 98626d5
1 parent 8f18a50
commit 98626d5
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Showing 4 changed files with 18 additions and 2 deletions.
diff --git a/DotNet/libdotnet.csproj b/DotNet/libdotnet.csproj
@@ -4,14 +4,30 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
-    <InvariantGlobalization>true</InvariantGlobalization>
     <PublishAot>true</PublishAot>
     <PublishAotUsingRuntimePack>true</PublishAotUsingRuntimePack>
     <RuntimeIdentifier Condition=" '$(RuntimeIdentifier)' == '' ">linux-bionic-arm64</RuntimeIdentifier>
     <!-- SkiaSharp nightly feed -->
     <RestoreAdditionalProjectSources>https://aka.ms/skiasharp-eap/index.json</RestoreAdditionalProjectSources>
   </PropertyGroup>
 
+  <!-- Trimmer switches -->
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <!-- From Android workload: https://github.com/xamarin/xamarin-android/blob/80ee320ed0bb245768ba436b76f9309aca18abc3/src/Xamarin.Android.Build.Tasks/Microsoft.Android.Sdk/targets/Microsoft.Android.Sdk.DefaultProperties.targets#L95-L110 -->
+    <InvariantGlobalization>true</InvariantGlobalization>
+    <UseSystemResourceKeys>true</UseSystemResourceKeys>
+    <NullabilityInfoContextSupport>false</NullabilityInfoContextSupport>
+    <_AggressiveAttributeTrimming>true</_AggressiveAttributeTrimming>
+    <!-- From SmolSharp: https://github.com/ascpixi/smolsharp/blob/54a4aeb6e8f6cdd64d049862dee611301082e71b/src/SmolSharp.props#L48-L57 -->
+    <IlcDisableReflection>true</IlcDisableReflection>
+		<StackTraceSupport>false</StackTraceSupport>
+		<IlcGenerateStackTraceData>false</IlcGenerateStackTraceData>
+		<IlcFoldIdenticalMethodBodies>true</IlcFoldIdenticalMethodBodies>
+		<IlcDehydrate>false</IlcDehydrate>
+		<IlcGenerateWin32Resources>false</IlcGenerateWin32Resources>
+		<OptimizationPreference>Size</OptimizationPreference>
+  </PropertyGroup>
+
   <ItemGroup>
     <!-- https://github.com/exelix11/SysDVR/blob/master/Client/Client.csproj -->
     <!-- Android needs a proper soname property or it will refuse to load the library -->

diff --git a/Native/app/src/main/libs/arm64-v8a/libdotnet.so b/Native/app/src/main/libs/arm64-v8a/libdotnet.so
diff --git a/Native/app/src/main/libs/arm64-v8a/libdotnet.so.dbg b/Native/app/src/main/libs/arm64-v8a/libdotnet.so.dbg
diff --git a/README.md b/README.md
@@ -67,7 +67,7 @@ A breakdown of the files inside:
 1981-01-01 01:01:02           10569629      4629574  25 files
 ```
 
-`libdotnet.so` is ~1.9MB, and `libSkiaSharp.so` is ~8.5MB!
+`libdotnet.so` is ~1.3MB, and `libSkiaSharp.so` is ~8.5MB!
 
 If we reduce this to a "Hello World" example: