This package contains a few extra extensions to the SDK-style projects that are currently not available in Microsoft.NET.Sdk SDK. This feature is tracked in dotnet/sdk#491 and many of the scenarios are on the roadmap for .NET 6.
The primary goal of this project is to enable multi-targeting without you having to enter in tons of properties within your csproj, vbproj, fsproj, thus keeping it nice and clean.
See the blog post for more information.
Important: 3.x of the Extras requires the .NET 5 SDK or later. The SDK can build previous targets, like netcoreapp3.1. The extras 2.x supports SDK 2.x and 3.x.
This package also enables advanced library scenarios, allowing you to create reference assemblies and per-RuntimeIdentifier targets.
Reference Assemblies useful in a few scenarios. Please see my two blogs for more details.
In some cases involving native interop, it may be necessary to have different runtime versions. NuGet has supported this for a while if you use PackageReference by way of its runtimes folder in combination with a Reference Assembly. Creating and packing these were manual though.
See below for creating these using the Extras easily.
Stable:
CI Feed:
https://pkgs.dev.azure.com/clairernovotny/GitBuilds/_packaging/MSBuildSdkExtras/nuget/v3/index.json
Visual Studio 2017 Update 6 (aka v15.6) includes support for SDK's resolved from NuGet, which is required for this to work. VS 2019 is recommended.
-
Create a new project
- .NET Core console app or .NET Standard class library.
- With your existing SDK-style project.
- With the templates in the repo's TestProjects folder.
-
Replace
Microsoft.NET.SdkwithMSBuild.Sdk.Extrasto the project's top-levelSdkattribute. -
You have to tell MSBuild that the
Sdkshould resolve from NuGet by- Adding a
global.jsoncontaining the Sdk name and version. - Appending a version info to the
Sdkattribute value.
- Adding a
-
Then you can edit the
TargetFrameworkto a different TFM, or you can renameTargetFrameworktoTargetFrameworksand specify multiple TFM's with a;separator.
The final project should look like this:
<Project Sdk="MSBuild.Sdk.Extras">
<PropertyGroup>
<TargetFrameworks>net46;uap10.0.19041;tizen8.0</TargetFrameworks>
</PropertyGroup>
</Project>The .NET 5 SDK is the latest and has more support for desktop workloads. It's strongly recommended to use that SDK, even to build older targets. If you are using MsBuild.Sdk.Extras version 2 or above, use the .NET Core 3.1 SDK at a minimum. You can still target previous versions of .NET Core.
{
"msbuild-sdks": {
"MSBuild.Sdk.Extras": "3.0.22"
}
}Above the sdk section indicates use the .NET Core 3 preview to build, the msbuild-sdks indicates the NuGet package to include.
Then, all of your project files, from that directory forward, uses the version from the global.json file.
This would be a preferred solution for all the projects in your solution.
Then again, you might want to override the version for just one project OR if you have only one project in your solution (without adding global.json), you can do so like this:
<Project Sdk="MSBuild.Sdk.Extras/3.0.22">
<PropertyGroup>
<TargetFrameworks>net46;uap10.0.19041;tizen8.0</TargetFrameworks>
</PropertyGroup>
</Project>That's it. You do not need to specify the UWP or Tizen meta-packages as they'll be automatically included.
After that, you can use the Restore, Build, Pack targets to restore packages, build the project and create NuGet packages. E.g.: msbuild /t:Pack ...
- It will only work with an IDE that uses the desktop
msbuild(i.e. Visual Studio) and the target Platform SDKs which are not cross platform. - When using JetBrains Rider, you will need to point to your desktop MSBuild in your settings (Settings > Build, execution, deployment > Use MSBuild Version)
- When building from the CLI, you must use
MSBuild.exe.dotnet buildwill not work for most project types. - It might work in Visual Studio Code, but you have to configure build tasks in
launch.jsonto use desktopmsbuildto build. - You must install the tools of the platforms you intend to build. For Xamarin, that means the Xamarin Workload; for UWP install those tools as well.
More information on how SDK's are resolved can be found here.
You'll need to perform a few steps:
- Make sure to use
TargetFrameworksinstead ofTargetFramework, even if you're only building a single target framework. I am piggy-backing off of its looping capabilities. - Set the
RuntimeIdentifiersproperty to valid RID's (full list), separated by a semi-colon (<RuntimeIdentifiers>win;unix</RuntimeIdentifiers>). - For the TFM's that you want want to build separately, set the
ExtrasBuildEachRuntimeIdentifierproperty totrue.
When you're done, you should be able to run build/pack and it'll produce a NuGet package.
Notes:
- You must use the
Sdk="MSBuild.Sdk.Extras"method for this. UsingPackageReferenceis unsupported for this scenario. - While the Visual Studio context won't show each RID, it'll build for each.
- The Extras defines a preprocessor symbol for each RID for use (
win-x86would beWIN_X86andcentos.7-x64would beCENTOS_7_X64). Dots and dashes become underbars. - The default path for per-RID output assemblies and symbols in NuGet package is
runtimes/<RuntimeIdentifier>/lib/<TargetFramework>. RuntimeIdentifierscan be set per-TargetFrameworkusing a condition on the property. This lets you have multiple TFM's, but only some of which have RID's.
You will likely need to create reference assemblies to simplify development and consumption of your libraries with complex flavor (TargetFramework × RuntimeIdentifier) matrix.
Reference assemblies are packed into ref/<TargetFramework> folder. Please see my two blogs articles for details.
If you need to add native assets into runtimes, the easiest way is to use:
<None Include="path/to/native.dll" PackagePath="runtimes/<rid>/native" Pack="true" />Minimal example to pack output assemblies and symbols to tools (instead of runtimes) subfolders.
<PropertyGroup>
<ExtrasIncludeDefaultProjectBuildOutputInPackTarget>IncludeDefaultProjectBuildOutputInPack</ExtrasIncludeDefaultProjectBuildOutputInPackTarget>
</PropertyGroup>
<Target Name="IncludeDefaultProjectBuildOutputInPack">
<ItemGroup>
<None Include="@(RidSpecificOutput)" PackagePath="tools/%(TargetFramework)/%(Rid)" Pack="true" />
</ItemGroup>
</Target>For advanced options, see ClasslibPack* SDK tests and RIDs.targets file.
For those who are using in a PackageReference style, you can't do that with v2.0+ of this package. So update VS to 15.6+ and manually upgrade your projects as shown below:
- The same as above, replace the Sdk attribute's value.
- Remove the workaround import specified with the old way. The import property should be
MSBuildSdkExtrasTargets. - Do a trial build and then compare your project with the templates in the repo's TestProjects folder to troubleshoot any issues if you encounter them.
- Please file a issue.
Your project diff:
- <Project Sdk="Microsoft.NET.Sdk">
+ <Project Sdk="MSBuild.Sdk.Extras">
<!-- OTHER PROPERTIES -->
<PropertyGroup>
<TargetFrameworks>net46;uap10.0.16299;tizen40</TargetFrameworks>
</PropertyGroup>
<ItemGroup>
- <PackageReference Include="MSBuild.Sdk.Extras" Version="1.6.0" PrivateAssets="All"/>
<!-- OTHER PACKAGES/INCLUDES -->
</ItemGroup>
- <Import Project="$(MSBuildSdkExtrasTargets)" Condition="Exists('$(MSBuildSdkExtrasTargets)')"/>
<!-- OTHER IMPORTS -->
</Project>- PackageReference style
+ SDK styleNote: The SDK-style project now works on Visual Studio for Mac.
-
A few properties have been changed, and the help is provided as a warning to use the new property names.
Old Property New Property/Behaviour SuppressWarnIfOldSdkPackExtrasIgnoreOldSdkWarningExtrasImplicitPlatformPackageDisabledDisableImplicitFrameworkReferences+TargetFrameworkconditionEmbeddedResourceGeneratorVisibilityIsInternalopposite of ExtrasEmbeddedResourceGeneratedCodeIsPublic -
Support for WPF and Windows Forms requires an opt-in property to enable: Set
ExtrasEnableWpfProjectSetup/ExtrasEnableWinFormsProjectSetuptotrueto include required references and default items. Note in .NET Core 3.0 these have been replaced byUseWPF/UseWindowsForms.
Once this package is configured, you can now use any supported TFM in your TargetFramework or TargetFrameworks element. The supported TFM families are:
netstandard(.NET Standard)netcoreapp(.NET Core App)net(.NET 5+ & .NET Framework)net35-client/net40-client(.NET Framework legacy Client profile)wpa(Windows Phone App 8.1)win(Windows 8 / 8.1)uap(Windows 10 / UWP)wp(Windows Phone Silverlight, WP7+)sl(Silverlight 4+)tizen(Tizen 3+)xamarin.androidxamarin.iosxamarin.macxamarin.watchosxamarin.tvosportableNN-/portable-(legacy PCL profiles likeportable-net45+win8+wpa81+wp8)
For legacy PCL profiles, the order of the TFM's in the list does not matter but the profile must be an exact match to one of the known profiles. If it's not, you'll get a compile error saying it's unknown. You can see the full list of known profiles here: Portable Library Profiles by Stephen Cleary.
If you try to use a framework that you don't have tools installed for, you'll get an error as well saying to check the tools. In some cases this might mean installing an older version of Visual Studio IDE (like 2015) to ensure that the necessary targets are installed on the machine.
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