cmake Qt6Gui examples

qt/qtbase tests/auto/cmake/test_interface_link_libraries/CMakeLists.txt :9 

find_package(Qt6Gui REQUIRED)

86Box/86Box src/qt/CMakeLists.txt :59 

find_package(Qt6Gui/Qt6QCocoaIntegrationPlugin REQUIRED)

Serial-Studio/Serial-Studio lib/QCodeEditor/CMakeLists.txt :86 

find_package(Qt6Gui     CONFIG REQUIRED)