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compnerd merged 4 commits into from
Jan 7, 2020
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Added more details to "Building Swift on Windows" #28496

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3b88ab3
Added more details to "Building Swift on Windows"
yostane Nov 27, 2019
7cf7f88
Removed a repetition that I have added
yostane Nov 28, 2019
16d604e
Fixed text given reviews
yostane Dec 2, 2019
ba53abc
rolled back adding variables
yostane Dec 18, 2019
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53 changes: 38 additions & 15 deletions docs/WindowsBuild.md
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Original file line number Diff line number Diff line change
@@ -1,19 +1,25 @@
# Building Swift on Windows

Visual Studio 2017 or newer is needed to build swift on Windows. The following must take place in the developer command prompt (provided by Visual Studio). This shows up as "x64 Native Tools Command Prompt for VS2017" (or VS2019, VS2019 Preview depending on the Visual Studio that you are using) in the Start Menu.
Visual Studio 2017 or newer is needed to build swift on Windows.

The following must take place in the **developer command prompt** (provided by Visual Studio). This shows up as "x64 Native Tools Command Prompt for VS2017" (or VS2019, VS2019 Preview depending on the Visual Studio that you are using) in the Start Menu.

## Install dependencies

- Install the latest version of [Visual Studio](https://www.visualstudio.com/downloads/)
- Make sure to include "Programming Languages|Visual C++" and "Windows and Web Development|Universal Windows App Development|Windows SDK" in your installation. The following components are required:
- Make sure to include "Programming Languages|Visual C++" and "Windows and Web Development|Universal Windows App Development|Windows SDK" in your installation. The following components are required:

1. Microsoft.VisualStudio.Component.Windows10SDK
1. Microsoft.VisualStudio.Component.Windows10SDK.17763
1. Microsoft.VisualStudio.Component.VC.Tools.x86.x64
2. Microsoft.VisualStudio.Component.Windows10SDK.17763
3. Microsoft.VisualStudio.Component.VC.Tools.x86.x64

The following [link](https://docs.microsoft.com/visualstudio/install/workload-component-id-vs-build-tools?view=vs-2019)) helps in finding the component name given its ID for Visual Studio 2019.

## Clone the repositories

1. Clone `apple/llvm-project` into a directory for the toolchain
1. Clone `apple/swift-cmark`, `apple/swift`, `apple/swift-corelibs-libdispatch`, `apple/swift-corelibs-foundation`, `apple/swift-corelibs-xctest`, `apple/swift-llbuild`, `apple/swift-package-manager` into the toolchain directory
1. Clone `compnerd/windows-swift` as a peer of the toolchain directory
2. Clone `apple/swift-cmark`, `apple/swift`, `apple/swift-corelibs-libdispatch`, `apple/swift-corelibs-foundation`, `apple/swift-corelibs-xctest`, `apple/swift-llbuild`, `apple/swift-package-manager` into the toolchain directory
3. Clone `compnerd/windows-swift` as a peer of the toolchain directory

- Currently, other repositories in the Swift project have not been tested and may not be supported.

Expand All @@ -36,8 +42,17 @@ git clone -c core.autocrlf=input https://github.com/apple/swift-package-manager
git clone https://github.com/compnerd/windows-swift windows-swift
```

## Acquire ICU, SQLite3, curl, libxml2, zlib
1. Go to https://dev.azure.com/compnerd/windows-swift and scroll down to "Dependencies" where you'll see bots (hopefully green) for icu, SQLite, curl, and libxml2. Download each of the zip files and copy their contents into S:/Library. The directory structure should resemble:
## Acquire ICU, SQLite3, curl, libxml2 and zlib

Go to [compnerd's windows-swift azure page](https://dev.azure.com/compnerd/windows-swift/_build) and open [Pipelines](https://dev.azure.com/compnerd/windows-swift/_build) where you'll see bots (hopefully green) for:

- [ICU](https://dev.azure.com/compnerd/windows-swift/_build?definitionId=9)
- [SQLite](https://dev.azure.com/compnerd/windows-swift/_build?definitionId=12&_a=summary)
- [curl](https://dev.azure.com/compnerd/windows-swift/_build?definitionId=11&_a=summary)
- [libxml2](https://dev.azure.com/compnerd/windows-swift/_build?definitionId=10&_a=summary)
- [zlib](https://dev.azure.com/compnerd/windows-swift/_build?definitionId=16&_a=summary)
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@compnerd compnerd Dec 2, 2019

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Good idea with the links. However, I think that we can actually do this much better now. I've been playing around with more automation and something like this works really well:

pip install azure
C:\Python27\python.exe windows-swift\utilities\windows-swift.py --build 10 --build 11 --build 12 --build 16 --download-latest-artifacts

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@yostane yostane Dec 4, 2019

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Thanks :)
I agree that the command looks great. We can keep the link for information purpose. What do you think ?

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@compnerd compnerd Dec 5, 2019

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Sure


Download each of the zip files and copy their contents into S:/Library. The directory structure should resemble:

```
/Library
Expand All @@ -54,9 +69,14 @@ git clone https://github.com/compnerd/windows-swift windows-swift
```

## One-time Setup (re-run on Visual Studio upgrades)
- Set up the `ucrt`, `visualc`, and `WinSDK` modules by copying `ucrt.modulemap` located at
`swift/stdlib/public/Platform/ucrt.modulemap` into
`${UniversalCRTSdkDir}/Include/${UCRTVersion}/ucrt` as `module.modulemap`, copying `visualc.modulemap` located at `swift/stdlib/public/Platform/visualc.modulemap` into `${VCToolsInstallDir}/include` as `module.modulemap`, and copying `winsdk.modulemap` located at `swift/stdlib/public/Platform/winsdk.modulemap` into `${UniversalCRTSdkDir}/Include/${UCRTVersion}/um` and setup the `visualc.apinotes` located at `swift/stdlib/public/Platform/visualc.apinotes` into `${VCToolsInstallDir}/include` as `visualc.apinotes`

Set up the `ucrt`, `visualc`, and `WinSDK` modules by:

- copying `ucrt.modulemap` located at `swift/stdlib/public/Platform/ucrt.modulemap` into
`${UniversalCRTSdkDir}/Include/${UCRTVersion}/ucrt` as `module.modulemap`
- copying `visualc.modulemap` located at `swift/stdlib/public/Platform/visualc.modulemap` into `${VCToolsInstallDir}/include` as `module.modulemap`
- copying `winsdk.modulemap` located at `swift/stdlib/public/Platform/winsdk.modulemap` into `${UniversalCRTSdkDir}/Include/${UCRTVersion}/um`
- and setup the `visualc.apinotes` located at `swift/stdlib/public/Platform/visualc.apinotes` into `${VCToolsInstallDir}/include` as `visualc.apinotes`

```cmd
mklink "%UniversalCRTSdkDir%\Include\%UCRTVersion%\ucrt\module.modulemap" S:\toolchain\swift\stdlib\public\Platform\ucrt.modulemap
Expand Down Expand Up @@ -103,6 +123,7 @@ ninja -C S:\b\foundation
```

- Add Foundation to your path:

```cmd
path S:\b\foundation\Foundation;%PATH%
```
Expand All @@ -115,6 +136,7 @@ ninja -C S:\b\xctest
```

- Add XCTest to your path:

```cmd
path S:\b\xctest;%PATH%
```
Expand All @@ -136,7 +158,7 @@ ninja -C S:\b\foundation

```cmd
cmake --build S:\b\foundation
ninja -C S:\b\foundation test
ninja -C S:\b\foundation test
```

## Build llbuild
Expand All @@ -147,7 +169,8 @@ cmake -B S:\b\llbuild -G Ninja -S S:\toolchain\llbuild -DCMAKE_BUILD_TYPE=RelWit
ninja -C S:\b\llbuild
```

- Add llbuild to your path:
- Add llbuild to your path:

```cmd
path S:\b\llbuild\bin;%PATH%
```
Expand All @@ -172,8 +195,8 @@ C:\Python27\python.exe S:\swift-package-manager\Utilities\bootstrap --foundation

- Run ninja install:

```cmd
```cmd
ninja -C S:\b\toolchain install
```

- Add the Swift on Windows binaries path (`C:\Library\Developer\Toolchains\unknown-Asserts-development.xctoolchain\usr\bin`) to the `PATH` environment variable.
- Add the Swift on Windows binaries path (`C:\Library\Developer\Toolchains\unknown-Asserts-development.xctoolchain\usr\bin`) to the `PATH` environment variable.
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