From 98dd0aec2d0cb8971fb5363532c25041a5ba6fdc Mon Sep 17 00:00:00 2001
From: Jeremy Kloth <jeremy.kloth@gmail.com>
Date: Thu, 17 Feb 2022 11:40:33 -0700
Subject: [PATCH] bpo-46778: Enable multiprocess compilation for source files
 when building on Windows (GH-31390)

---
 PCbuild/pyproject.props | 1 +
 1 file changed, 1 insertion(+)

diff --git a/PCbuild/pyproject.props b/PCbuild/pyproject.props
index 3465adec65b..8d24393aa18 100644
--- a/PCbuild/pyproject.props
+++ b/PCbuild/pyproject.props
@@ -45,6 +45,7 @@
       <WholeProgramOptimization>true</WholeProgramOptimization>
       <ControlFlowGuard Condition="$(EnableControlFlowGuard) != ''">$(EnableControlFlowGuard)</ControlFlowGuard>
       <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <ClCompile Condition="$(Configuration) == 'Debug'">
       <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>