C#•2w ago

MsBuild copies wrong dll (x86 to x64) to build folder

Hi. focusing problem with usage of native library. What im trying to achive: x-platform library (nuget) that uses native dlls specified by target platform.

12 Replies

~FallenParadise~OP•2w ago

What i have is:

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFramework>net9.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
    <PackageId>LuaDll</PackageId>
    <Authors></Authors>
    <Description></Description>
    <PackageLicenseExpression></PackageLicenseExpression>
    <PackageProjectUrl></PackageProjectUrl>
    <RepositoryUrl></RepositoryUrl>
    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
    <IncludeNativeLibrariesForSelfExtract>true</IncludeNativeLibrariesForSelfExtract>
  </PropertyGroup>

  <ItemGroup>
    <!-- Windows x64 -->
    <NativeLibrary Include="lib\win-x64\lua54.dll">
      <TargetPlatformIdentifier>Windows</TargetPlatformIdentifier>
      <RuntimeIdentifier>win-x64</RuntimeIdentifier>
    </NativeLibrary>

    <!-- Windows x86 -->
    <NativeLibrary Include="lib\win-x86\lua54.dll">
      <TargetPlatformIdentifier>Windows</TargetPlatformIdentifier>
      <RuntimeIdentifier>win-x86</RuntimeIdentifier>
    </NativeLibrary>

    <!-- Linux x64 -->
    <NativeLibrary Include="lib\linux-x64\lua54.so">
      <TargetPlatformIdentifier>Linux</TargetPlatformIdentifier>
      <RuntimeIdentifier>linux-x64</RuntimeIdentifier>
    </NativeLibrary>

    <!-- Linux x86 -->
    <NativeLibrary Include="lib\linux-x86\lua54.so">
      <TargetPlatformIdentifier>Linux</TargetPlatformIdentifier>
      <RuntimeIdentifier>linux-x86</RuntimeIdentifier>
    </NativeLibrary>
  </ItemGroup>

  <ItemGroup>
    <Folder Include="lib\" />
    <Folder Include="Properties\" />
  </ItemGroup>


</Project>

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFramework>net9.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
    <PackageId>LuaDll</PackageId>
    <Authors></Authors>
    <Description></Description>
    <PackageLicenseExpression></PackageLicenseExpression>
    <PackageProjectUrl></PackageProjectUrl>
    <RepositoryUrl></RepositoryUrl>
    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
    <IncludeNativeLibrariesForSelfExtract>true</IncludeNativeLibrariesForSelfExtract>
  </PropertyGroup>

  <ItemGroup>
    <!-- Windows x64 -->
    <NativeLibrary Include="lib\win-x64\lua54.dll">
      <TargetPlatformIdentifier>Windows</TargetPlatformIdentifier>
      <RuntimeIdentifier>win-x64</RuntimeIdentifier>
    </NativeLibrary>

    <!-- Windows x86 -->
    <NativeLibrary Include="lib\win-x86\lua54.dll">
      <TargetPlatformIdentifier>Windows</TargetPlatformIdentifier>
      <RuntimeIdentifier>win-x86</RuntimeIdentifier>
    </NativeLibrary>

    <!-- Linux x64 -->
    <NativeLibrary Include="lib\linux-x64\lua54.so">
      <TargetPlatformIdentifier>Linux</TargetPlatformIdentifier>
      <RuntimeIdentifier>linux-x64</RuntimeIdentifier>
    </NativeLibrary>

    <!-- Linux x86 -->
    <NativeLibrary Include="lib\linux-x86\lua54.so">
      <TargetPlatformIdentifier>Linux</TargetPlatformIdentifier>
      <RuntimeIdentifier>linux-x86</RuntimeIdentifier>
    </NativeLibrary>
  </ItemGroup>

  <ItemGroup>
    <Folder Include="lib\" />
    <Folder Include="Properties\" />
  </ItemGroup>


</Project>

primary csproj. gpt says that it should work while it doesn't. When im using Sample x86 all works fine. But if i switch to x64 i see x86 dll in x64 folder. And that's how Sample project looks like

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net9.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
    <Platforms>AnyCPU;x86;x64</Platforms>
  </PropertyGroup>

  <ItemGroup>
    <ProjectReference Include="..\..\src\LuaDll\LuaDll.csproj" />
  </ItemGroup>

</Project>

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net9.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
    <Platforms>AnyCPU;x86;x64</Platforms>
  </PropertyGroup>

  <ItemGroup>
    <ProjectReference Include="..\..\src\LuaDll\LuaDll.csproj" />
  </ItemGroup>

</Project>

i can't understand how to properly configure MsBuild to copy correct Dll depending on target platform. im also sure that lib/[plat]/lua54.dll has correct versions of dlls ------------ What i want: LuaDLL - primary project with bindings to a lua Sample - PackageReference to LuaDLL to test apis (and then convert to xUnit project) LuaDLL.nuget - as crossplatform nuget. so it whould be enough just to import and use

Lex Li•2w ago

Enable MSBuild bin log and see what confused the engine to use the wrong dll, https://msbuildlog.com/ Then depending on your findings, you either fix that issue in your script, or report a bug to Microsoft https://github.com/dotnet/msbuild/issues

wasabi•2w ago

For Core you place them in the runtimes folder. For Framework you need to write a targets file to copy them. For in tree consumption you have to do it in custom targets as well.

~FallenParadise~OP•2w ago

using net9 should i share logs with you?

Lex Li•2w ago

Please learn to analyze the logs yourself. It's not very difficult. If you do need technical support to assist, you can open a support case via https://support.microsoft.com

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~FallenParadise~OP•2w ago

seems like it just ignores RID in NativeLibrary definition when this project used with package reference it found 2 candidates (and because thay both is lua54.dll) it copies one over another ok. seems like this hack helped and it works more or less properly

  <ItemGroup>
    <ProjectReference Include="..\..\src\LuaDll\LuaDll.csproj">
      <Properties>RuntimeIdentifier=$(RuntimeIdentifier);SelfContained=$(SelfContained)</Properties>
    </ProjectReference>
  </ItemGroup>

  <ItemGroup>
    <ProjectReference Include="..\..\src\LuaDll\LuaDll.csproj">
      <Properties>RuntimeIdentifier=$(RuntimeIdentifier);SelfContained=$(SelfContained)</Properties>
    </ProjectReference>
  </ItemGroup>

in Sample.csproj thanks @Lex Li for pointing into logs lets summarize. LuaDll.csproj still uses NativeLibrary. aka

    <None Include="lib\win-x64\lua54.dll">
      <Pack>true</Pack>
      <PackagePath>runtimes\win-x64\native\</PackagePath>
    </None>
    <None Include="lib\win-x86\lua54.dll">
      <Pack>true</Pack>
      <PackagePath>runtimes\win-x86\native\</PackagePath>
    </None>

    <None Include="lib\win-x64\lua54.dll">
      <Pack>true</Pack>
      <PackagePath>runtimes\win-x64\native\</PackagePath>
    </None>
    <None Include="lib\win-x86\lua54.dll">
      <Pack>true</Pack>
      <PackagePath>runtimes\win-x86\native\</PackagePath>
    </None>

And Sample.csproj is just

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net9.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
    <Platforms>AnyCPU;x86;x64</Platforms>
  </PropertyGroup>

  <ItemGroup>
    <ProjectReference Include="..\..\src\LuaDll\LuaDll.csproj">
      <Properties>RuntimeIdentifier=$(RuntimeIdentifier);SelfContained=$(SelfContained)</Properties>
    </ProjectReference>
  </ItemGroup>

</Project>

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net9.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
    <Platforms>AnyCPU;x86;x64</Platforms>
  </PropertyGroup>

  <ItemGroup>
    <ProjectReference Include="..\..\src\LuaDll\LuaDll.csproj">
      <Properties>RuntimeIdentifier=$(RuntimeIdentifier);SelfContained=$(SelfContained)</Properties>
    </ProjectReference>
  </ItemGroup>

</Project>

wasabi•2w ago

I don't know what NativeLibrary is.

Unknown User•7d ago

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wasabi•7d ago

Mostly the platforms property isn't very useful.

Unknown User•7d ago

Message Not Public

wasabi•7d ago

RuntimeIdentifier is really the replacement. It is, because it does drive out a bunch of things. But it's also set by RID. It is not necessary to use Platforms at all.

Unknown User•7d ago

Message Not Public

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MsBuild copies wrong dll (x86 to x64) to build folder

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