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[docs] Deprecate Python 2 in build instructions #33819

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Sep 7, 2020
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[docs] Deprecate Python 2 in build instructions #33819

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16 changes: 3 additions & 13 deletions docs/WindowsBuild.md
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Expand Up @@ -8,11 +8,10 @@ The commands below (with the exception of installing Visual Studio) must be ente

### Visual Studio

An easy way to get most of the tools to build Swift is using the [Visual Studio installer](https://www.visualstudio.com/downloads/). This command installs all needed Visual Studio components as well as Python and Git:
An easy way to get most of the tools to build Swift is using the [Visual Studio installer](https://www.visualstudio.com/downloads/). This command installs all needed Visual Studio components as well as Python, Git, CMake and Ninja:

```
vs_community ^
--add Component.CPython2.x86 ^
--add Component.CPython3.x64 ^
--add Microsoft.VisualStudio.Component.Git ^
--add Microsoft.VisualStudio.Component.VC.ATL ^
Expand All @@ -28,13 +27,7 @@ The following [link](https://docs.microsoft.com/visualstudio/install/workload-co

### Python

The command above already installs Python 2 and 3. Alternatively, in the Visual Studio installation program, under *Individual Components*

1. Install *Python 2*, either the 32-bit version (C:\Python27\\) or the 64-bit version (C:\Python27amd64\\)

**Note:** If you install the 64-bit version only, you will need to adjust `PYTHON_EXECUTABLE` below to `C:\Python27amd64\python.exe`

2. Install *Python 3 64 bits (3.7.x)*
The command above already installs Python 3. Alternatively, in the Visual Studio installation program, under *Individual Components*, install *Python 3 64 bits (3.7.x)*.

If you are building a debug version of Swift, you should also install the Python debug binaries.

Expand Down Expand Up @@ -137,9 +130,6 @@ cmake -B "S:\b\toolchain" ^
ninja -C S:\b\toolchain
```

**Note:** If you installed only the 64-bit version of Python, you will need to adjust `PYTHON_EXECUTABLE` argument to `C:\Python27amd64\python.exe`


## Running Swift tests on Windows

```cmd
Expand Down Expand Up @@ -176,7 +166,7 @@ path S:\b\foundation\Foundation;%PATH%
## Build swift-corelibs-xctest

```cmd
cmake -B S:\b\xctest -D CMAKE_BUILD_TYPE=RelWithDebInfo -D CMAKE_Swift_COMPILER=S:/b/toolchain/bin/swiftc.exe -D dispatch_DIR=S:\b\dispatch\cmake\modules -D Foundation_DIR=S:\b\foundation\cmake\modules -D LIT_COMMAND=S:\toolchain\llvm\utils\lit\lit.py -D PYTHON_EXECUTABLE=C:\Python27\python.exe -G Ninja -S S:\swift-corelibs-xctest
cmake -B S:\b\xctest -D CMAKE_BUILD_TYPE=RelWithDebInfo -D CMAKE_Swift_COMPILER=S:/b/toolchain/bin/swiftc.exe -D dispatch_DIR=S:\b\dispatch\cmake\modules -D Foundation_DIR=S:\b\foundation\cmake\modules -D LIT_COMMAND=S:\toolchain\llvm\utils\lit\lit.py -G Ninja -S S:\swift-corelibs-xctest
ninja -C S:\b\xctest
```

Expand Down