From 0bf97dabb440293e8f776284a3a5145d6a89a916 Mon Sep 17 00:00:00 2001
From: Saleem Abdulrasool <abdulras@thebrowser.company>
Date: Tue, 6 Feb 2024 09:19:59 -0800
Subject: [PATCH] build: setup a CMake based build for DocC

In local testing, this helps reduce the overall build times 7-8%. Stage
the build conversion to allow us to measure the time savings on CI
hosts.
---
 utils/build.ps1 | 56 ++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 42 insertions(+), 14 deletions(-)

diff --git a/utils/build.ps1 b/utils/build.ps1
index 0e2cd50243642..c2ecf609e68a1 100644
--- a/utils/build.ps1
+++ b/utils/build.ps1
@@ -1717,6 +1717,45 @@ function Build-SourceKitLSP($Arch) {
     }
 }
 
+function Build-LMDB($Arch) {
+  Build-CMakeProject `
+    -Src $SourceCache\swift-lmdb `
+    -Bin $BinaryCache\17 `
+    -Arch $Arch `
+    -UseMSVCCompilers C `
+    -BuildTargets default
+}
+
+function Build-SymbolKit($Arch) {
+  Build-CMakeProject `
+    -Src $SourceCache\swift-docc-symbolkit `
+    -Bin $BinaryCache\18 `
+    -Arch $Arch `
+    -UseBuiltCompilers Swift `
+    -SwiftSDK $SDKInstallRoot `
+    -BuildTargets default
+}
+
+function Build-DocC($Arch) {
+  Build-CMakeProject `
+    -Src $SourceCache\swift-docc `
+    -Bin $BinaryCache\19 `
+    -InstallTo "$($Arch.ToolchainInstallRoot)\usr" `
+    -Arch $Arch `
+    -UseBuiltCompilers Swift `
+    -UseSwiftSwiftDriver `
+    -SwiftSDK $SDKInstallRoot `
+    -BuildTargets default `
+    -Defines @{
+      ArgumentParser_DIR = "$BinaryCache\6\cmake\modules";
+      SwiftCrypto_DIR = "$BinaryCache\8\cmake\modules";
+      SwiftMarkdown_DIR = "$BinaryCache\13\cmake\modules";
+      LMDB_DIR = "$BinaryCache\17\cmake\modules";
+      SymbolKit_DIR = "$BinaryCache\18\cmake\modules";
+      "cmark-gfm_DIR" = "$($Arch.ToolchainInstallRoot)\usr\lib\cmake";
+    }
+}
+
 function Install-HostToolchain() {
   if ($ToBatch) { return }
 
@@ -1749,19 +1788,6 @@ function Build-Inspect() {
   }
 }
 
-function Build-DocC() {
-  $OutDir = Join-Path -Path $HostArch.BinaryCache -ChildPath swift-docc
-
-  Isolate-EnvVars {
-    $env:SWIFTCI_USE_LOCAL_DEPS=1
-    Build-SPMProject `
-      -Src $SourceCache\swift-docc `
-      -Bin $OutDir `
-      -Arch $HostArch `
-      --product docc
-  }
-}
-
 function Test-PackageManager() {
   $OutDir = Join-Path -Path $HostArch.BinaryCache -ChildPath swift-package-manager
   $SrcDir = if (Test-Path -Path "$SourceCache\swift-package-manager" -PathType Container) {
@@ -1896,13 +1922,15 @@ if (-not $SkipBuild) {
   Invoke-BuildStep Build-Format $HostArch
   Invoke-BuildStep Build-IndexStoreDB $HostArch
   Invoke-BuildStep Build-SourceKitLSP $HostArch
+  Invoke-BuildStep Build-LMDB $HostArch
+  Invoke-BuildStep Build-SymbolKit $HostArch
+  Invoke-BuildStep Build-DocC $HostArch
 }
 
 Install-HostToolchain
 
 if (-not $SkipBuild) {
   Invoke-BuildStep Build-Inspect $HostArch
-  Invoke-BuildStep Build-DocC $HostArch
 }
 
 if (-not $SkipPackaging) {