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DNX

The .NET Execution Environment contains the code required to bootstrap and run an application. This includes things like the compilation system, SDK tools, and the native CLR hosts.

Goals

  • Create a new development experience that enables a quick development workflow (change code and run)
  • Have the ability to create a cached version of your application's dependencies ("compilation")
  • Expose metadata about the runtime for others to query

Principles

  • NuGet all the things
  • There is no such thing as "design time" (blur the lines between compilation and loading)
  • Dependencies are always described as what not where (there's no such thing as a project/nuget/assembly reference)

Setting up a development environment for incremental compile

After successfully building the solution using the build script, you can create a dev symlink to the built DNX using the build dev-install command. The command creates symlinks from your user profile's DNX folder to the compiled binaries so you can do incremental builds without having to manually copy files around.

After running build dev-install and dnvm list you will see a few new runtimes ending with -dev. Those are the symlinks created by the build script:

Active Version           Runtime Architecture Location                           Alias
------ -------           ------- ------------ --------                           -----
  *    1.0.0-beta2-10735 clr     x86          C:\Users\victorhu\.dnx\runtimes default
       1.0.0-dev         clr     x64          C:\Users\victorhu\.dnx\runtimes clr-x64-dev
       1.0.0-dev         clr     x86          C:\Users\victorhu\.dnx\runtimes clr-x86-dev
       1.0.0-dev         coreclr xd64         C:\Users\victorhu\.dnx\runtimes coreclr-x64-dev
       1.0.0-dev         coreclr x86          C:\Users\victorhu\.dnx\runtimes coreclr-x86-dev
       1.0.0-dev         mono                 C:\Users\victorhu\.dnx\runtimes mono-dev

If you want to remove the symlinks, simply delete them from your user profile's DNX folder.

Initialize the submodules

This repository includes a few submodules. They need to be initialized before build.

To clone a repository and initialize all the submodules you can run:

git clone --recursive

If you have already cloned the repository without --recursive option, you can run following commands to initialize the submodules:

git submodule init
git submodule update

This project is part of ASP.NET 5. You can find samples, documentation and getting started instructions for ASP.NET 5 at the Home repo.