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Update WindowsBuild.md #32338

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38 changes: 20 additions & 18 deletions docs/WindowsBuild.md
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Original file line number Diff line number Diff line change
Expand Up @@ -64,9 +64,9 @@ subst S: <path to sources>

```cmd
S:
git clone https://github.com/apple/llvm-project --branch swift/master toolchain
git clone -c core.autocrlf=input -c core.symlinks=true https://github.com/apple/swift toolchain/swift
git clone https://github.com/apple/swift-cmark toolchain/cmark
git clone https://github.com/apple/llvm-project --branch swift/master llvm-project
git clone -c core.autocrlf=input -c core.symlinks=true https://github.com/apple/swift swift
git clone https://github.com/apple/swift-cmark cmark
git clone https://github.com/apple/swift-corelibs-libdispatch swift-corelibs-libdispatch
git clone https://github.com/apple/swift-corelibs-foundation swift-corelibs-foundation
git clone https://github.com/apple/swift-corelibs-xctest swift-corelibs-xctest
Expand All @@ -78,15 +78,16 @@ git clone https://github.com/compnerd/swift-build swift-build

## Acquire ICU, SQLite3, curl, libxml2 and zlib

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

- [ICU](https://dev.azure.com/compnerd/swift-build/_build?definitionId=9)
- [SQLite](https://dev.azure.com/compnerd/swift-build/_build?definitionId=12&_a=summary)
- [curl](https://dev.azure.com/compnerd/swift-build/_build?definitionId=11&_a=summary)
- [libxml2](https://dev.azure.com/compnerd/swift-build/_build?definitionId=10&_a=summary)
- [zlib](https://dev.azure.com/compnerd/swift-build/_build?definitionId=16&_a=summary)
```
python -m pip install --user msrest azure-devops tabulate
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FWIW python does nothing for me, I have to do `C:\Python27\python.exe

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Ugh, okay, lets change that to C:\Python27\python.exe then; this is part of the problem - python needs to be by absolute path :-(.

python swift-build\utilities\swift-build.py --build-id ICU --latest-artifacts --filter windows-x64 --download
python swift-build\utilities\swift-build.py --build-id XML2 --latest-artifacts --filter windows-x64 --download
python swift-build\utilities\swift-build.py --build-id CURL --latest-artifacts --filter windows-x64 --download
python swift-build\utilities\swift-build.py --build-id zlib --latest-artifacts --filter windows-x64 --download
python swift-build\utilities\swift-build.py --build-id SQLite --latest-artifacts --filter windows-x64 --download
```

Download each of the zip files and copy their contents into S:/Library. The directory structure should resemble:
Extract the zip files, ignoring the top level directory, into `S:/Library`. The directory structure should resemble:

```
/Library
Expand All @@ -113,29 +114,30 @@ Set up the `ucrt`, `visualc`, and `WinSDK` modules by:
- 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
mklink "%UniversalCRTSdkDir%\Include\%UCRTVersion%\um\module.modulemap" S:\toolchain\swift\stdlib\public\Platform\winsdk.modulemap
mklink "%VCToolsInstallDir%\include\module.modulemap" S:\toolchain\swift\stdlib\public\Platform\visualc.modulemap
mklink "%VCToolsInstallDir%\include\visualc.apinotes" S:\toolchain\swift\stdlib\public\Platform\visualc.apinotes
mklink "%UniversalCRTSdkDir%\Include\%UCRTVersion%\ucrt\module.modulemap" S:\swift\stdlib\public\Platform\ucrt.modulemap
mklink "%UniversalCRTSdkDir%\Include\%UCRTVersion%\um\module.modulemap" S:\swift\stdlib\public\Platform\winsdk.modulemap
mklink "%VCToolsInstallDir%\include\module.modulemap" S:\swift\stdlib\public\Platform\visualc.modulemap
mklink "%VCToolsInstallDir%\include\visualc.apinotes" S:\swift\stdlib\public\Platform\visualc.apinotes
```

Warning: Creating the above links usually requires administrator privileges. The quick and easy way to do this is to open a second developer prompt by right clicking whatever shortcut you used to open the first one, choosing Run As Administrator, and pasting the above commands into the resulting window. You can then close the privileged prompt; this is the only step which requires elevation.

## Build the toolchain

```cmd
md "S:\b\toolchain"
cmake -B "S:\b\toolchain" ^
-C S:\swift-build\cmake\caches\windows-x86_64.cmake ^
-C S:\swift-build\cmake\caches\org.compnerd.dt.cmake ^
-D CMAKE_BUILD_TYPE=Release ^
-D LLVM_ENABLE_ASSERTIONS=YES ^
-D LLVM_ENABLE_PROJECTS="clang;clang-tools-extra;cmark;swift;lldb;lld" ^
-D LLVM_ENABLE_PROJECTS="clang;clang-tools-extra;lldb;lld" ^
-D LLVM_EXTERNAL_PROJECTS="cmark;swift" ^
-D SWIFT_PATH_TO_LIBDISPATCH_SOURCE=S:\swift-corelibs-libdispatch ^
-D LLVM_ENABLE_PDB=YES ^
-D LLVM_ENABLE_LIBEDIT=NO ^
-D LLDB_ENABLE_PYTHON=YES ^
-D LLVM_EXTERNAL_SWIFT_SOURCE_DIR="S:/swift" ^
-D LLVM_EXTERNAL_CMARK_SOURCE_DIR="S:/cmark" ^
-D SWIFT_WINDOWS_x86_64_ICU_UC_INCLUDE="S:/Library/icu-64/usr/include" ^
-D SWIFT_WINDOWS_x86_64_ICU_UC="S:/Library/icu-64/usr/lib/icuuc64.lib" ^
-D SWIFT_WINDOWS_x86_64_ICU_I18N_INCLUDE="S:/Library/icu-64/usr/include" ^
Expand All @@ -145,7 +147,7 @@ cmake -B "S:\b\toolchain" ^
-D SWIFT_BUILD_DYNAMIC_STDLIB=YES ^
-D SWIFT_BUILD_DYNAMIC_SDK_OVERLAY=YES ^
-G Ninja ^
-S S:\toolchain\llvm
-S S:\llvm-project\llvm

ninja -C S:\b\toolchain
```
Expand Down