From 3a3a30c5a4622e18be9f7e4a239dc9e0d7c8054c Mon Sep 17 00:00:00 2001
From: Steve Dower <steve.dower@python.org>
Date: Mon, 8 Jun 2020 17:48:43 +0100
Subject: [PATCH] bpo-40861: Enable optimizations when building liblzma
 (GH-20724)

---
 PCbuild/liblzma.vcxproj | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/PCbuild/liblzma.vcxproj b/PCbuild/liblzma.vcxproj
index 9ec062e5255..a6bd59ec0ba 100644
--- a/PCbuild/liblzma.vcxproj
+++ b/PCbuild/liblzma.vcxproj
@@ -91,11 +91,8 @@
   </PropertyGroup>
   <ItemDefinitionGroup>
     <ClCompile>
-      <PreprocessorDefinitions>WIN32;HAVE_CONFIG_H;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <WarningLevel>Level3</WarningLevel>
-      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
-      <Optimization>Disabled</Optimization>
-      <AdditionalIncludeDirectories>$(lzmaDir)windows;$(lzmaDir)src/liblzma/common;$(lzmaDir)src/common;$(lzmaDir)src/liblzma/api;$(lzmaDir)src/liblzma/check;$(lzmaDir)src/liblzma/delta;$(lzmaDir)src/liblzma/lz;$(lzmaDir)src/liblzma/lzma;$(lzmaDir)src/liblzma/rangecoder;$(lzmaDir)src/liblzma/simple</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;HAVE_CONFIG_H;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>$(lzmaDir)windows;$(lzmaDir)src/liblzma/common;$(lzmaDir)src/common;$(lzmaDir)src/liblzma/api;$(lzmaDir)src/liblzma/check;$(lzmaDir)src/liblzma/delta;$(lzmaDir)src/liblzma/lz;$(lzmaDir)src/liblzma/lzma;$(lzmaDir)src/liblzma/rangecoder;$(lzmaDir)src/liblzma/simple;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4028;4113;4133;4244;4267;4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>
     </ClCompile>
   </ItemDefinitionGroup>