MissingUseDepDefault: version 1.17: DEPEND="dev-libs/quazip[qt6]": USE flag 'qt6' missing from package: [ dev-libs/quazip-1.2 ]
  MissingUseDepDefault: version 1.17: RDEPEND="dev-libs/quazip[qt6]": USE flag 'qt6' missing from package: [ dev-libs/quazip-1.2 ]
  MissingUseDepDefault: version 9999: DEPEND="dev-libs/quazip[qt6]": USE flag 'qt6' missing from package: [ dev-libs/quazip-1.2 ]
  MissingUseDepDefault: version 9999: RDEPEND="dev-libs/quazip[qt6]": USE flag 'qt6' missing from package: [ dev-libs/quazip-1.2 ]