From 734aac3456c0fa4fc1f6632574d1073fad72575a Mon Sep 17 00:00:00 2001
From: Steve Dower <steve.dower@python.org>
Date: Fri, 5 Nov 2021 23:06:45 +0000
Subject: [PATCH] bpo-45720: Drop references to shlwapi.dll on Windows
 (GH-29417)

---
 .../next/Windows/2021-11-05-01-05-46.bpo-45720.47Nc5I.rst      | 3 +++
 PC/getpathp.c                                                  | 1 -
 PCbuild/pythoncore.vcxproj                                     | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)
 create mode 100644 Misc/NEWS.d/next/Windows/2021-11-05-01-05-46.bpo-45720.47Nc5I.rst

diff --git a/Misc/NEWS.d/next/Windows/2021-11-05-01-05-46.bpo-45720.47Nc5I.rst b/Misc/NEWS.d/next/Windows/2021-11-05-01-05-46.bpo-45720.47Nc5I.rst
new file mode 100644
index 00000000000000..315759b07e147e
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2021-11-05-01-05-46.bpo-45720.47Nc5I.rst
@@ -0,0 +1,3 @@
+Internal reference to :file:`shlwapi.dll` was dropped to help improve
+startup time. This DLL will no longer be loaded at the start of every Python
+process.
diff --git a/PC/getpathp.c b/PC/getpathp.c
index dc5b201d145f33..7c0eeab5dbab4a 100644
--- a/PC/getpathp.c
+++ b/PC/getpathp.c
@@ -91,7 +91,6 @@
 
 #include <windows.h>
 #include <pathcch.h>
-#include <shlwapi.h>
 
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
diff --git a/PCbuild/pythoncore.vcxproj b/PCbuild/pythoncore.vcxproj
index 0382977d6c367a..c39ba3e1a9f412 100644
--- a/PCbuild/pythoncore.vcxproj
+++ b/PCbuild/pythoncore.vcxproj
@@ -106,7 +106,7 @@
       <PreprocessorDefinitions Condition="$(IncludeExternals)">_Py_HAVE_ZLIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>version.lib;shlwapi.lib;ws2_32.lib;pathcch.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>version.lib;ws2_32.lib;pathcch.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>