From c9e909b5ad727b6bde2533c2763cdfe98abdb6ed Mon Sep 17 00:00:00 2001
From: Zhenchao Li <leezhenchao@gmail.com>
Date: Wed, 30 Jul 2025 14:16:29 -0700
Subject: [PATCH] Add brotli support to FoundationNetworking

---
 utils/build.ps1                               | 22 ++++++++++++++++++-
 .../swift_build_support/products/curl.py      |  1 +
 .../update-checkout-config.json               |  7 ++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/utils/build.ps1 b/utils/build.ps1
index 4b9e7f0501eca..ddf544df09d96 100644
--- a/utils/build.ps1
+++ b/utils/build.ps1
@@ -840,6 +840,7 @@ enum Project {
   SourceKitLSP
   SymbolKit
   DocC
+  brotli
 
   LLVM
   Runtime
@@ -2429,6 +2430,21 @@ function Build-CompilerRuntime([Hashtable] $Platform) {
     }
 }
 
+function Build-Brotli([Hashtable] $Platform) {
+  Build-CMakeProject `
+    -Src $SourceCache\brotli `
+    -Bin "$(Get-ProjectBinaryCache $Platform brotli)" `
+    -InstallTo "$BinaryCache\$($Platform.Triple)\usr" `
+    -Platform $Platform `
+    -UseMSVCCompilers C `
+    -Defines @{
+      BUILD_SHARED_LIBS = "NO";
+      CMAKE_POSITION_INDEPENDENT_CODE = "YES";
+      CMAKE_SYSTEM_NAME = $Platform.OS.ToString();
+    }
+}
+
+
 function Build-ZLib([Hashtable] $Platform) {
   Build-CMakeProject `
     -Src $SourceCache\zlib `
@@ -2517,7 +2533,7 @@ function Build-CURL([Hashtable] $Platform) {
       CURL_CA_BUNDLE = "none";
       CURL_CA_FALLBACK = "NO";
       CURL_CA_PATH = "none";
-      CURL_BROTLI = "NO";
+      CURL_BROTLI = "YES";
       CURL_DISABLE_ALTSVC = "NO";
       CURL_DISABLE_AWS = "YES";
       CURL_DISABLE_BASIC_AUTH = "NO";
@@ -2595,6 +2611,7 @@ function Build-CURL([Hashtable] $Platform) {
       USE_WIN32_LDAP = "NO";
       ZLIB_ROOT = "$BinaryCache\$($Platform.Triple)\usr";
       ZLIB_LIBRARY = "$BinaryCache\$($Platform.Triple)\usr\lib\zlibstatic.lib";
+      BROTLI_DIR = "$BinaryCache\$($Platform.Triple)\usr";
     })
 }
 
@@ -2992,6 +3009,7 @@ function Build-Foundation([Hashtable] $Platform) {
       };
       ZLIB_INCLUDE_DIR = "$BinaryCache\$($Platform.Triple)\usr\include";
       dispatch_DIR = (Get-ProjectCMakeModules $Platform Dispatch);
+      BROTLI_DIR = "$BinaryCache\$($Platform.Triple)\usr";
       _SwiftFoundation_SourceDIR = "$SourceCache\swift-foundation";
       _SwiftFoundationICU_SourceDIR = "$SourceCache\swift-foundation-icu";
       _SwiftCollections_SourceDIR = "$SourceCache\swift-collections";
@@ -3016,6 +3034,7 @@ function Test-Foundation {
     $env:LIBXML_LIBRARY_PATH="$BinaryCache/$($Platform.Triple)/usr/lib"
     $env:LIBXML_INCLUDE_PATH="$BinaryCache/$($Platform.Triple)/usr/include/libxml2"
     $env:ZLIB_LIBRARY_PATH="$BinaryCache/$($Platform.Triple)/usr/lib"
+    $env:BROTLI_LIBRARY_PATH="$BinaryCache/$($Platform.Triple)/usr/lib"
     $env:CURL_LIBRARY_PATH="$BinaryCache/$($Platform.Triple)/usr/lib"
     $env:CURL_INCLUDE_PATH="$BinaryCache/$($Platform.Triple)/usr/include"
     Build-SPMProject `
@@ -4043,6 +4062,7 @@ if (-not $SkipBuild) {
       }
 
       Invoke-BuildStep Build-ZLib $Build
+      Invoke-BuildStep Build-Brotli $Build
       Invoke-BuildStep Build-XML2 $Build
       Invoke-BuildStep Build-CURL $Build
     }
diff --git a/utils/swift_build_support/swift_build_support/products/curl.py b/utils/swift_build_support/swift_build_support/products/curl.py
index d8c2f32dd8dff..ab3b3b075c213 100644
--- a/utils/swift_build_support/swift_build_support/products/curl.py
+++ b/utils/swift_build_support/swift_build_support/products/curl.py
@@ -110,6 +110,7 @@ def build(self, host_target):
         self.cmake_options.define('CURL_DISABLE_SMTP', 'YES')
         self.cmake_options.define('CURL_DISABLE_GOPHER', 'YES')
         self.cmake_options.define('CURL_ZLIB', 'YES')
+        self.cmake_options.define('CURL_BROTLI', 'YES')
         self.cmake_options.define('ENABLE_CURL_MANUAL', 'NO')
         self.cmake_options.define('ENABLE_UNIX_SOCKETS', 'NO')
         self.cmake_options.define('ENABLE_THREADED_RESOLVER', 'NO')
diff --git a/utils/update_checkout/update-checkout-config.json b/utils/update_checkout/update-checkout-config.json
index 8e920661871f1..b46d89d3b5a52 100644
--- a/utils/update_checkout/update-checkout-config.json
+++ b/utils/update_checkout/update-checkout-config.json
@@ -118,6 +118,9 @@
         "zlib": {
           "remote": { "id": "madler/zlib" }
         },
+        "brotli": {
+          "remote": { "id": "google/brotli" }
+        },
         "mimalloc": {
           "remote": { "id": "microsoft/mimalloc" },
           "platforms": [ "Windows" ]
@@ -180,6 +183,7 @@
                 "curl": "curl-8_9_1",
                 "libxml2": "v2.11.5",
                 "zlib": "v1.3.1",
+                "brotli": "v1.1.0",
                 "mimalloc": "v3.0.3",
                 "swift-subprocess": "0.1"
             }
@@ -291,6 +295,7 @@
                 "curl": "curl-8_9_1",
                 "libxml2": "v2.11.5",
                 "zlib": "v1.3.1",
+                "brotli": "v1.1.0",
                 "mimalloc": "v3.0.1"
             }
         },
@@ -608,6 +613,7 @@
                 "curl": "curl-8_9_1",
                 "libxml2": "v2.11.5",
                 "zlib": "v1.3.1",
+                "brotli": "v1.1.0",
                 "mimalloc": "v3.0.3",
                 "swift-subprocess": "0.1"
             }
@@ -666,6 +672,7 @@
                 "curl": "curl-8_9_1",
                 "libxml2": "v2.11.5",
                 "zlib": "v1.3.1",
+                "brotli": "v1.1.0",
                 "mimalloc": "v3.0.3",
                 "swift-subprocess": "0.1"
             }