This Post Represents a Troubleshooting of Qt Creator Building Issue/Error:
"Libpng12 Not Found"
The Solution Given is Perfectly Fitting only for Rpm Based Linux Systems.
For others Linux Distros you will need to Find the Corresponding Package...
The Content and Details are Expressly Reduced to Give Focus Only to the Essentials Instructions and Commands and Make Tut more Easy & Digestive;)
- Open Terminal Window
- On a Yum Packages Manager Distro Execute:
yum install libpng-compat