Merge pull request #839 from g-maxime/qcli #708

Job	Run time
build-macos-brew-Qt6 (clang-9)	3m 14s
build-macos-brew (clang-9)	2m 44s
build-linux-Qt6 (gcc-9)	7m 44s
build-linux (gcc-9)	7m 10s
build-macos-no-brew (clang-9)	5m 11s
build-macos-no-brew-Qt6 (clang-9)	5m 46s
build-windows-mingw (5.15.*)	10m 33s
build-windows-mingw-Qt6 (6.3.0, qtmultimedia qt5compat)	11m 18s
build-windows-vs (5.15.*)	8m 29s
build-windows-vs-Qt6 (6.3.0, qtmultimedia qt5compat)	12m 46s
	1h 14m 55s

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