qtcharts

USE флаги

• debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
• gles2-only - Use GLES 2.0 or later instead of full OpenGL
• qml - Build QML/QtQuick bindings and imports
• test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)