From d589a18c088ec48c442dd36fee9374ffedb55609 Mon Sep 17 00:00:00 2001
From: Isaac Marovitz <isaacryu@icloud.com>
Date: Sun, 31 Dec 2023 18:10:16 -0800
Subject: [PATCH] iOS - Linker Fixes

---
 src/LibRyujinx/LibRyujinx.csproj | 40 ++++++++++++++++++++++++++++++--
 1 file changed, 38 insertions(+), 2 deletions(-)

diff --git a/src/LibRyujinx/LibRyujinx.csproj b/src/LibRyujinx/LibRyujinx.csproj
index 2b961083f..744a83ee6 100644
--- a/src/LibRyujinx/LibRyujinx.csproj
+++ b/src/LibRyujinx/LibRyujinx.csproj
@@ -1,13 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
+    <RuntimeIdentifiers>linux-bionic-arm64;ios-arm64</RuntimeIdentifiers>
     <Nullable>enable</Nullable>
     <LinkerFlavor Condition="'$(RuntimeIdentifier)'=='linux-bionic-arm64'">lld</LinkerFlavor>
     <DefineConstants>$(DefineConstants);FORCE_EXTERNAL_BASE_DIR</DefineConstants>
   </PropertyGroup>
   <PropertyGroup>
     <PublishAot>true</PublishAot>
-    <NativeLib>Shared</NativeLib>
+    <PublishAotUsingRuntimePack>true</PublishAotUsingRuntimePack>
+    <!-- Not sure why, but on iOS this results in an error. Result is still a .dylib. -->  
+    <NativeLib Condition="'$(RuntimeIdentifier)'=='linux-bionic-arm64'">Shared</NativeLib>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <EnableTrimAnalyzer>true</EnableTrimAnalyzer>
     <InvariantGlobalization>true</InvariantGlobalization>
@@ -18,6 +21,39 @@
     <Optimize>true</Optimize>
     <OptimizationPreference>Speed</OptimizationPreference>
   </PropertyGroup>
+
+  <!-- iOS Linking Fixes -->
+  <Target Condition="'$(RuntimeIdentifier)'=='ios-arm64'" Name="PrepareBeforeIlcCompile" BeforeTargets="IlcCompile">
+    <Exec Command="xcrun xcode-select -p" ConsoleToMSBuild="true">
+      <Output TaskParameter="ConsoleOutput" PropertyName="XcodeSelect" />
+    </Exec>
+    <PropertyGroup>
+      <XcodePath>$(XcodeSelect)</XcodePath>
+      <XcodePath>$([MSBuild]::EnsureTrailingSlash('$(XCodePath)'))</XcodePath>
+    </PropertyGroup>
+    <Message Importance="normal" Text="Found Xcode at $(XcodeSelect)" />
+    <ItemGroup>
+      <LinkerArg Include="-Wl,-ld_classic" />
+      <LinkerArg Include="-isysroot %22$(XcodePath)Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk%22"
+                 Condition=" $(RuntimeIdentifier.Contains('simulator')) "/>
+      <LinkerArg Include="-isysroot %22$(XcodePath)Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk%22"
+                 Condition=" !$(RuntimeIdentifier.Contains('simulator')) "/>
+    </ItemGroup>
+  </Target>
+  <Target Condition="'$(RuntimeIdentifier)'=='ios-arm64'" Name="FixDylib" AfterTargets="Publish">
+    <Exec Command="install_name_tool -id @rpath/$(TargetName).dylib $(NativeBinary)" ConsoleToMSBuild="true" />
+  </Target>
+  <Target Condition="'$(RuntimeIdentifier)'=='ios-arm64'" Name="FixSymbols" AfterTargets="Publish">
+    <RemoveDir Directories="$(PublishDir)$(TargetName).framework.dSYM"/>
+    <!-- create-xcframework (called from the export plugin wants the symbol files in a directory
+    with a slightly different name from the one created by dotnet publish, so we copy them over
+    to the correctly-named directory -->
+    <ItemGroup>
+      <SymbolFiles Include="$(NativeBinary).dsym\**\*.*"/>
+    </ItemGroup>
+    <Copy SourceFiles="@(SymbolFiles)" DestinationFolder="$(PublishDir)$(TargetName).framework.dSYM"/>
+  </Target>
+  <!-- End iOS Linking Fixes -->
   <ItemGroup>
     <ProjectReference Include="..\Ryujinx.Audio.Backends.OpenAL\Ryujinx.Audio.Backends.OpenAL.csproj" />
     <ProjectReference Include="..\Ryujinx.Audio.Backends.SDL2\Ryujinx.Audio.Backends.SDL2.csproj" />
@@ -34,7 +70,7 @@
     <RdXmlFile Include="rd.xml" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Rxmxnx.PInvoke.Extensions" /> 
+    <PackageReference Include="Rxmxnx.PInvoke.Extensions" />
     <PackageReference Include="Silk.NET.Vulkan" />
     <PackageReference Include="Silk.NET.Vulkan.Extensions.KHR" />
     <LinkerArg Condition="'$(RuntimeIdentifier)'=='linux-bionic-arm64'" Include="-llog" />