112 lines
3.4 KiB
Markdown
112 lines
3.4 KiB
Markdown
Build PowerShell on Windows for .NET Full
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=========================================
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This guide supplements the
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[Windows .NET Core instructions](./windows-core.md), as building the
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.NET 4.5.1 (desktop) version is pretty similar.
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Environment
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===========
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In addition to the dependencies specified in the .NET Core
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instructions, we need:
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Install the Visual C++ Compiler via Visual Studio 2015.
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-------------------------------------------------------
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This component is required to compile the native `powershell.exe` host.
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This is an optionally installed component, so you may need to run the
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Visual Studio installer again.
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If you don't have any Visual Studio installed, you can use
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[Visual Studio 2015 Community Edition][vs].
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> Compiling with older versions should work, but we don't test it.
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**Troubleshooting note:** If `cmake` says that it cannot determine the
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`C` and `CXX` compilers, you either don't have Visual Studio, or you
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don't have the Visual C++ Compiler component installed.
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[vs]: https://www.visualstudio.com/en-us/products/visual-studio-community-vs.aspx
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Install CMake and add it to `PATH`.
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-----------------------------------
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You can install it from [Chocolatey][] or [manually][].
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```
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choco install cmake.portable
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```
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[Chocolatey]: https://chocolatey.org/packages/cmake.portable
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[manually]: https://cmake.org/download/
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Build using our module
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======================
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Use `Start-PSBuild -FullCLR` from the `build.psm1`
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module.
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Because the `ConsoleHost` project (*not* the `Host` project) is a
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library and not an application (in the sense that .NET CLI does not
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emit a native executable using .NET Core's `corehost`), it targets the
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framework `netstandard1.5`, *not* `netcoreapp1.0`, and the build
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output will *not* have a runtime identifier in the path.
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Thus the output location of `powershell.exe` will be
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`./src/Microsoft.PowerShell.ConsoleHost/bin/Debug/net451/powershell.exe`
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While building is easy, running FullCLR version is not as simple as
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CoreCLR version.
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If you just run ~~`./powershell.exe`~~, you will get a `powershell`
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process, but all the interesting DLLs (such as
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`System.Management.Automation.dll`) would be loaded from the Global
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Assembly Cache (GAC), not your output directory.
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[@lzybkr](https://github.com/lzybkr) wrote a module to deal with it
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and run side-by-side.
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```powershell
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Start-DevPSGithub
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```
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This command has a reasonable default to run `powershell.exe` from the build output folder.
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If you are building an unusual configuration (i.e. not `Debug`), you can explicitly specify path to the bin directory
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```powershell
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Start-DevPSGithub -binDir .\src\Microsoft.PowerShell.ConsoleHost\bin\Debug\net451
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```
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Or more programmatically:
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```powershell
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Start-DevPSGithub -binDir (Split-Path -Parent (Get-PSOutput))
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```
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The default for `powershell.exe` that **we build** is x86. See
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[issue #683][].
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There is a separate execution policy registry key for x86, and it's
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likely that you didn't ~~bypass~~ enable it. From **powershell.exe
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(x86)** run:
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```
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Set-ExecutionPolicy Bypass
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```
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[issue #683]: https://github.com/PowerShell/PowerShell/issues/683
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Build manually
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==============
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The build logic is relatively simple and contains the following steps:
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- building managed DLLs: `dotnet publish --runtime net451`
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- generating Visual Studio project: `cmake -G "$cmakeGenerator"`
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- building `powershell.exe` from generated solution: `msbuild
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powershell.sln`
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Please don't hesitate to experiment.
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