qtbase5-gles-dev binary package in Ubuntu Mantic i386

 Qt is a cross-platform C++ application framework. Qt's primary feature
 is its rich set of widgets that provide standard GUI functionality.
 .
 This package contains the header development files used for building Qt 5
 applications.
 .
 Normally you should use the qtbase5-dev package. Use this one only if
 your software supports only OpenGL ES or if you want to make use of some
 OpenGL ES specific API.
 .
 If you are interested in packaging Qt 5 stuff please take a look at
 https://qt-kde-team.pages.debian.net/packagingqtbasedstuff.html