Update to Visual Studio 2019.

Author: XhmikosR

.appveyor.yml

@@ -1,5 +1,5 @@
 image:
-  - Visual Studio 2017
+  - Visual Studio 2019
 
 version: "{build}"
 

README.md

@@ -27,6 +27,6 @@ Currently only 64-bit (x64) is targeted.
   git clone --recursive https://github.com/XhmikosR/jpegoptim-windows.git
   ```
 
-2. Download and install [Visual Studio 2017](https://visualstudio.microsoft.com/downloads/) (any edition)
+2. Download and install [Visual Studio 2019](https://visualstudio.microsoft.com/downloads/) (any edition)
 3. Download [nasm](https://www.nasm.us/) and place `nasm.exe` somewhere into your `PATH`
 4. Open `jpegoptim.sln` and build

build.bat

@@ -4,7 +4,7 @@ setlocal
 cd /d %~dp0
 
 rem add MSVC in PATH
-call "%ProgramFiles(x86)%\Microsoft Visual Studio\2017\Community\Common7\Tools\VsMSBuildCmd.bat"
+call "%ProgramFiles(x86)%\Microsoft Visual Studio\2019\Community\Common7\Tools\VsMSBuildCmd.bat"
 
 set "MSBUILD_SWITCHES=/nologo /consoleloggerparameters:Verbosity=minimal /maxcpucount /nodeReuse:true"
 

jpegoptim.vcxproj

@@ -15,19 +15,19 @@
     <Keyword>Win32Proj</Keyword>
     <Platform>x64</Platform>
     <ProjectName>jpegoptim</ProjectName>
-    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <CharacterSet>Unicode</CharacterSet>
     <ConfigurationType>Application</ConfigurationType>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <UseOfMfc>false</UseOfMfc>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <CharacterSet>Unicode</CharacterSet>
     <ConfigurationType>Application</ConfigurationType>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <UseOfMfc>false</UseOfMfc>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>

mozjpeg.vcxproj

@@ -15,19 +15,19 @@
     <Keyword>Win32Proj</Keyword>
     <Platform>x64</Platform>
     <ProjectName>mozjpeg</ProjectName>
-    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <CharacterSet>Unicode</CharacterSet>
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <UseOfMfc>false</UseOfMfc>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <CharacterSet>Unicode</CharacterSet>
     <ConfigurationType>StaticLibrary</ConfigurationType>
-    <PlatformToolset>v141</PlatformToolset>
+    <PlatformToolset>v142</PlatformToolset>
     <UseOfMfc>false</UseOfMfc>
     <WholeProgramOptimization>true</WholeProgramOptimization>
   </PropertyGroup>