YannikL / libpng-VisualStudio2019

Building libpng with Visual Studio 2019

Building libpng with Visual Studio 2019

Precondition

• zlib ver1.2.11: https://zlib.net/
• libping ver1.6.37: http://www.libpng.org/pub/png/libpng.html

Unzip these files in directory "build". The directory structure is here.

build                # root for bulding
├─ lpng1637          # libpng
└─ zlib-1.2.11       # zlib

Build libpng

1. Edit "zlib.props"
   Open file "build\lpng1637\projects\vstudio\zlib.props"

   Change line #34
   <ZLibSrcDir>..\..\..\..\zlib</ZLibSrcDir>
   to
   <ZLibSrcDir>..\..\..\..\zlib-1.2.11</ZLibSrcDir>
   

2. Create zconf.h
   Duplicate the file "build\zlib-1.2.11\zconf.h.included" and rename to "zconf.h"

3. Open Solution file
   The solution file of Visual Studio is here "build\lpng1637\projects\vstudio\vstudio.sln"
   Some warning daialogs may be shown. Then click OK button on all daialogs.
   It includes 7 projects as following.

   • List item
   • libpng
   • pnglibconf
   • pngstest
   • pngtest
   • pngunknown
   • pngvalid
   • zlib

4. Edit Property Pages
   Open Property Page of "zlib" project. Edit as below.
   

   • Editting with "All Configurations".
     Configuration Properties → C/C++ → General → Treat Warnings As Errors
     Change "$(TreatWarningAsError)" to "No (/W-)"
   • Editting each configration.
     Configuration Properties → C/C++ → Preprocessor → Preprocessor Definitions
     Remove "Z_SOLO;"

5. Build
   Set Solution Configrations → Release Library
   Menu Build → Buld Solution

Completed! 😄