From c12d5a7b8c055a367bb3218597f243b14e16d109 Mon Sep 17 00:00:00 2001
From: Owen Voorhees <ovoorhees@apple.com>
Date: Wed, 22 Oct 2025 21:41:25 -0700
Subject: [PATCH] build.ps1: add swift-tools-protocols

---
 utils/build.ps1                               | 22 +++++++++++++++++++
 .../update-checkout-config.json               |  6 ++---
 2 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/utils/build.ps1 b/utils/build.ps1
index 7ceab4733b689..dd806a5d54eea 100644
--- a/utils/build.ps1
+++ b/utils/build.ps1
@@ -851,6 +851,7 @@ enum Project {
   Certificates
   System
   Subprocess
+  ToolsProtocols
   Build
   PackageManager
   PackageManagerRuntime
@@ -3446,6 +3447,19 @@ function Build-Subprocess([Hashtable] $Platform) {
     }
 }
 
+function Build-ToolsProtocols([Hashtable] $Platform) {
+  Build-CMakeProject `
+    -Src $SourceCache\swift-tools-protocols `
+    -Bin (Get-ProjectBinaryCache $Platform ToolsProtocols) `
+    -InstallTo "$($Platform.ToolchainInstallRoot)\usr" `
+    -Platform $Platform `
+    -UseBuiltCompilers C,CXX,Swift `
+    -SwiftSDK (Get-SwiftSDK -OS $Platform.OS -Identifier $Platform.DefaultSDK) `
+    -Defines @{
+      BUILD_SHARED_LIBS = "YES";
+    }
+}
+
 function Build-Build([Hashtable] $Platform) {
   # Use lld to workaround the ARM64 LNK1322 issue: https://github.com/swiftlang/swift/issues/79740
   # FIXME(hjyamauchi) Have a real fix
@@ -3466,6 +3480,7 @@ function Build-Build([Hashtable] $Platform) {
       SwiftDriver_DIR = (Get-ProjectCMakeModules $Platform Driver);
       SwiftSystem_DIR = (Get-ProjectCMakeModules $Platform System);
       TSC_DIR = (Get-ProjectCMakeModules $Platform ToolsSupportCore);
+      SwiftToolsProtocols_DIR = (Get-ProjectCMakeModules $Platform ToolsProtocols);
       SQLite3_INCLUDE_DIR = "$SourceCache\swift-toolchain-sqlite\Sources\CSQLite\include";
       SQLite3_LIBRARY = "$(Get-ProjectBinaryCache $Platform SQLite)\SQLite3.lib";
     } + $ArchSpecificOptions)
@@ -3659,6 +3674,7 @@ function Build-PackageManager([Hashtable] $Platform) {
       ArgumentParser_DIR = (Get-ProjectCMakeModules $Platform ArgumentParser);
       SwiftDriver_DIR = (Get-ProjectCMakeModules $Platform Driver);
       SwiftBuild_DIR = (Get-ProjectCMakeModules $Platform Build);
+      SwiftToolsProtocols_DIR = (Get-ProjectCMakeModules $Platform ToolsProtocols);
       SwiftCrypto_DIR = (Get-ProjectCMakeModules $Platform Crypto);
       SwiftCollections_DIR = (Get-ProjectCMakeModules $Platform Collections);
       SwiftASN1_DIR = (Get-ProjectCMakeModules $Platform ASN1);
@@ -3812,6 +3828,7 @@ function Build-SourceKitLSP([Hashtable] $Platform) {
       SwiftPM_DIR = (Get-ProjectCMakeModules $Platform PackageManager);
       LMDB_DIR = (Get-ProjectCMakeModules $Platform LMDB);
       IndexStoreDB_DIR = (Get-ProjectCMakeModules $Platform IndexStoreDB);
+      SwiftToolsProtocols_DIR = (Get-ProjectCMakeModules $Platform ToolsProtocols);
     }
 }
 
@@ -3870,6 +3887,10 @@ function Test-SourceKitLSP {
     "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform IndexStoreDB)\Sources\IndexStoreDB_Index\Index.lib",
     "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform IndexStoreDB)\Sources\IndexStoreDB_LLVMSupport\LLVMSupport.lib",
     "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform IndexStoreDB)\Sources\IndexStoreDB_Support\Support.lib",
+    # swift-tools-protocols
+    "-Xswiftc", "-I$(Get-ProjectBinaryCache $BuildPlatform ToolsProtocols)\swift",
+    "-Xswiftc", "-I$SourceCache\swift-tools-protocols\Sources\ToolsProtocolsCAtomics\include",
+    "-Xlinker", "-L$(Get-ProjectBinaryCache $BuildPlatform ToolsProtocols)\lib",
     # LMDB
     "-Xlinker", "$(Get-ProjectBinaryCache $BuildPlatform LMDB)\lib\CLMDB.lib",
     # sourcekit-lsp
@@ -4331,6 +4352,7 @@ if (-not $SkipBuild) {
   Invoke-BuildStep Build-Certificates $HostPlatform
   Invoke-BuildStep Build-System $HostPlatform
   Invoke-BuildStep Build-Subprocess $HostPlatform
+  Invoke-BuildStep Build-ToolsProtocols $HostPlatform
   Invoke-BuildStep Build-Build $HostPlatform
   Invoke-BuildStep Build-PackageManager $HostPlatform
   Invoke-BuildStep Build-Markdown $HostPlatform
diff --git a/utils/update_checkout/update-checkout-config.json b/utils/update_checkout/update-checkout-config.json
index 59df15fb4bc56..f52d70bf8dffb 100644
--- a/utils/update_checkout/update-checkout-config.json
+++ b/utils/update_checkout/update-checkout-config.json
@@ -145,7 +145,7 @@
                 "llbuild": "main",
                 "swift-build": "main",
                 "swift-toolchain-sqlite": "1.0.7",
-                "swift-tools-protocols": "0.0.2",
+                "swift-tools-protocols": "0.0.8",
                 "swift-tools-support-core": "main",
                 "swiftpm": "main",
                 "swift-argument-parser": "1.5.1",
@@ -577,7 +577,7 @@
                 "llbuild": "main",
                 "swift-build": "main",
                 "swift-toolchain-sqlite": "1.0.7",
-                "swift-tools-protocols": "0.0.2",
+                "swift-tools-protocols": "0.0.8",
                 "swift-tools-support-core": "main",
                 "swiftpm": "main",
                 "swift-argument-parser": "1.5.1",
@@ -638,7 +638,7 @@
                 "llbuild": "main",
                 "swift-build": "main",
                 "swift-toolchain-sqlite": "1.0.7",
-                "swift-tools-protocols": "0.0.2",
+                "swift-tools-protocols": "0.0.8",
                 "swift-tools-support-core": "main",
                 "swiftpm": "main",
                 "swift-argument-parser": "1.5.1",