ASCII art tree representation of Qt5 qtwebengine Build Dependencies on Debian unstable (sid)

Qt5 Circular Build Dependencies.txt

qtwebengine 
           \
            ├ Depends: libqt5opengl5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            | \
            |  libqt5opengl5-dev = Source Package: qtbase-opensource-src [1]
            |  \
            |   | Depends: qdoc-qt5 (>= 5.15~) but it is not going to be installed
            |   |\
            |   | qdoc-qt5 = Source Package: qttools-opensource-src [2]
            |   | \
            |   |  ├ Depends: libqt5opengl5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |  | \
            |   |  |  ^^ Circular build dependency here ^^ [1]
            |   |  |
            |   |  ├ Depends: libqt5sql5-sqlite (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |  | \
            |   |  |  libqt5sql5-sqlite = Source Package: qtbase-opensource-src
            |   |  |  \
            |   |  |   ^^ Circular build dependency here ^^ [1]
            |   |  ├ Depends: libqt5webkit5-dev (>= 5.212.0~alpha4-8~) but it is not going to be installed
            |   |  | \
            |   |  |  libqt5webkit5-dev = Source Package: qtwebkit-opensource-src
            |   |  |  \
            |   |  |   ├ Depends: libqt5opengl5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |  |   | \
            |   |  |   |  libqt5opengl5-dev = Source Package: qtbase-opensource-src
            |   |  |   |  \
            |   |  |   |   ^^ Circular build dependency here ^^ [1]
            |   |  |   ├ Depends: libqt5sensors5-dev (>= 5.15.2~) but it is not going to be installed
            |   |  |   | \
            |   |  |   |  libqt5sensors5-dev = Source Package: qtsensors-opensource-src
            |   |  |   |  \
            |   |  |   |   ├ Depends: qtbase5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |  |   |   | \
            |   |  |   |   |  qtbase5-private-dev = Source Package: qtbase-opensource-src
            |   |  |   |   |  \
            |   |  |   |   |   ^^ Circular build dependency here ^^ [1]
            |   |  |   |   ├ Depends: qtdeclarative5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |  |   |   | \
            |   |  |   |   |  qtdeclarative5-dev = Source Package: qtdeclarative-opensource-src
            |   |  |   |   |  \
            |   |  |   |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   |  |   |   ├ Depends: qdoc-qt5 (>= 5.15.2~) but it is not going to be installed
            |   |  |   |   | \
            |   |  |   |   |  qdoc-qt5 = Source Package: qttools-opensource-src
            |   |  |   |   |  \
            |   |  |   |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   |  |   |   ├ Depends: qhelpgenerator-qt5 (>= 5.15.2~) but it is not going to be installed
            |   |  |   |   | \
            |   |  |   |   |  qhelpgenerator-qt5 = Source Package: qttools-opensource-src
            |   |  |   |   |  \
            |   |  |   |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   |  |   |   ├ Depends: qtattributionsscanner-qt5 (>= 5.15.2~) but it is not going to be installed
            |   |  |   |   | \
            |   |  |   |   |  qtattributionsscanner-qt5 = Source Package: qttools-opensource-src
            |   |  |   |   |  \
            |   |  |   |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   |  |   |   └ Depends: qtbase5-doc-html (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |  |   |     \
            |   |  |   |      qtbase5-doc-html = Source Package: qtbase-opensource-src
            |   |  |   |      \
            |   |  |   |       ^^ Circular build dependency here ^^ [1]
            |   |  |   ├ Depends: libqt5webchannel5-dev (>= 5.15.2~) but it is not going to be installed
            |   |  |   | \
            |   |  |   |  libqt5webchannel5-dev = Source Package: qtwebchannel-opensource-src [4]
            |   |  |   |  \
            |   |  |   |   ^^ Circular build dependency here ^^ [4] [3] [2] [1]
            |   |  |   ├ Depends: qtbase5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |  |   | \
            |   |  |   |  qtbase5-private-dev = Source Package: qtbase-opensource-src
            |   |  |   |   \
            |   |  |   |    ^^ Circular build dependency here ^^ [1]
            |   |  |   ├ Depends: qtdeclarative5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |  |   | \
            |   |  |   |  qtdeclarative5-private-dev = Source Package: qtdeclarative-opensource-src
            |   |  |   |  \
            |   |  |   |  ^^ Circular build dependency here ^^ [3] [2] [1]
            |   |  |   └ Depends: qtpositioning5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |  ├ Depends: qtbase5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |  | \
            |   |  |  qtbase5-private-dev = Source Package: qtbase-opensource-src
            |   |  |   \
            |   |  |    ^^ Circular build dependency here ^^ [1]
            |   |  ├ Depends: qtdeclarative5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |  | \
            |   |  |  qtdeclarative5-private-dev = Source Package: qtdeclarative-opensource-src
            |   |  |  \
            |   |  |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   |  └ Depends: qtbase5-doc-html (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |    \
            |   |     qtbase5-doc-html = Source Package: qtbase-opensource-src
            |   |     \
            |   |      ^^ Circular build dependency here ^^ [1]
            |   └ Depends: qhelpgenerator-qt5 (>= 5.15~) but it is not going to be installed
            |     \
            |      qhelpgenerator-qt5 = Source Package: qttools-opensource-src
            |      \
            |       ^^ Circular build dependency here ^^ [2] [1]
            ├ Depends: libqt5svg5-dev (>= 5.15.2~) but it is not going to be installed
            | \
            |  libqt5svg5-dev = Source Package: qtsvg-opensource-src
            |  \
            |   ├ Depends: libqt5opengl5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qtbase5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtbase5-dev = Source Package: qtbase-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qtbase5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtbase5-private-dev = Source Package: qtbase-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qdoc-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qdoc-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qhelpgenerator-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qhelpgenerator-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qtattributionsscanner-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qtattributionsscanner-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   └ Depends: qtbase5-doc-html (>= 5.15.2+dfsg~) but it is not going to be installed
            |     \
            |      qtbase5-doc-html = Source Package: qtbase-opensource-src
            |      \
            |       ^^ Circular build dependency here ^^ [1]
            ├ Depends: libqt5webchannel5-dev (>= 5.15.2~) but it is not going to be installed
            | \
            |  libqt5webchannel5-dev = Source Package: qtwebchannel-opensource-src [4]
            |  \
            |   ├ Depends: libqt5websockets5-dev (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  libqt5websockets5-dev = Source Package: qtwebsockets-opensource-src [5]
            |   |  \
            |   |   ├ Depends: qml-module-qtquick2 (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |   | \
            |   |   |  qml-module-qtquick2 = Source Package: qtdeclarative-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   |   ├ Depends: qml-module-qttest (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |   | \
            |   |   |  qml-module-qttest = Source Package: qtdeclarative-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   |   ├ Depends: qtbase5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |   | \
            |   |   |  qtbase5-private-dev = Source Package: qtbase-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [1]
            |   |   ├ Depends: qtdeclarative5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |   | \
            |   |   |  qtdeclarative5-dev = Source Package: qtdeclarative-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   |   ├ Depends: qtdeclarative5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |   | \
            |   |   |  qtdeclarative5-private-dev = Source Package: qtdeclarative-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   |   ├ Depends: qdoc-qt5 (>= 5.15.2~) but it is not going to be installed
            |   |   | \
            |   |   |  qdoc-qt5 = Source Package: qttools-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   |   ├ Depends: qhelpgenerator-qt5 (>= 5.15.2~) but it is not going to be installed
            |   |   | \
            |   |   |  qhelpgenerator-qt5 = Source Package: qttools-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   |   ├ Depends: qtattributionsscanner-qt5 (>= 5.15.2~) but it is not going to be installed
            |   |   | \
            |   |   |  qtattributionsscanner-qt5 = Source Package: qttools-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   |   └ Depends: qtbase5-doc-html (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |     \
            |   |      qtbase5-doc-html = Source Package: qtbase-opensource-src
            |   |      \
            |   |       ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qml-module-qttest (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \ 
            |   |  qml-module-qttest = Source Package: qtdeclarative-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   ├ Depends: qtbase5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtbase5-dev = Source Package: qtbase-opensource-src
            |   |   \
            |   |    ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qtbase5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtbase5-private-dev = Source Package: qtbase-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qtdeclarative5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtdeclarative5-private-dev = Source Package: qtdeclarative-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   ├ Depends: qdoc-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qdoc-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qhelpgenerator-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qhelpgenerator-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qtattributionsscanner-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qtattributionsscanner-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qtbase5-doc-html (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtbase5-doc-html = Source Package: qtbase-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [1]
            |   └ Depends: qtwebsockets5-doc-html (>= 5.15.2~) but it is not going to be installed
            |     \
            |      qtwebsockets5-doc-html = Source Package: qtwebsockets-opensource-src
            |      \
            |       ^^ Circular build dependency here ^^ [5] [3] [2] [1]
            ├ Depends: qtbase5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            | \
            |  qtbase5-dev = Source Package: qtbase-opensource-src
            |  \
            |   ^^ Circular build dependency here ^^ [1]
            ├ Depends: qtbase5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            | \
            |  qtbase5-private-dev = Source Package: qtbase-opensource-src
            |  \
            |   ^^ Circular build dependency here ^^ [1]
            ├ Depends: qtdeclarative5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            | \
            |  qtdeclarative5-private-dev = Source Package: qtdeclarative-opensource-src [3]
            |  \
            |   ├ Depends: dpkg-dev (>= 1.20.0) but 1.19.7ubuntu3 is installed
            |   | \
            |   |  ** This one is 1.19.7ubuntu3 on Focal.  We can probably relax version constraint to work around
            |   |
            |   |
            |   ├ Depends: qtbase5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtbase5-private-dev = Source Package: qtbase-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qdoc-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qdoc-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qhelpgenerator-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qhelpgenerator-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qtattributionsscanner-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qtattributionsscanner-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   └ Depends: qtbase5-doc-html (>= 5.15.2+dfsg~) but it is not going to be installed
            |     \
            |      qtbase5-doc-html = Source Package: qtbase-opensource-src
            |      \
            |       ^^ Circular build dependency here ^^ [1]
            ├ Depends: qtpositioning5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            | \
            |  qtpositioning5-dev = Source Package: qtlocation-opensource-src
            |  \
            |   ├ Depends: libqt5opengl5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  libqt5opengl5-dev = Source Package: qtbase-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qml-module-qttest (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qml-module-qttest = Source Package: qtdeclarative-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   ├ Depends: qtbase5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtbase5-private-dev = Source Package: qtbase-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qtdeclarative5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtdeclarative5-private-dev = Source Package: qtdeclarative-opensource-src
            |   |  \
            |   |  ^^ Circular build dependency here ^^ [3] [2] [1]
            |   ├ Depends: qdoc-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qdoc-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qhelpgenerator-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qhelpgenerator-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qtattributionsscanner-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qtattributionsscanner-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   └ Depends: qtbase5-doc-html (>= 5.15.2+dfsg~) but it is not going to be installed
            ├ Depends: qtquickcontrols2-5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            | \
            |  qtquickcontrols2-5-dev = Source Package: qtquickcontrols2-opensource-src
            |  \
            |   ├ Depends: qml-module-qtgraphicaleffects (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qml-module-qtgraphicaleffects = Source Package: qtgraphicaleffects-opensource-src [6]
            |   |  \
            |   |   ├ Depends: qml-module-qtquick-window2 (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |   | \
            |   |   |  qml-module-qtquick-window2 = Source Package: qtdeclarative-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   |   ├ Depends: qml-module-qtquick2 (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |   | \
            |   |   |  qml-module-qtquick2 = Source Package: qtdeclarative-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   |   ├ Depends: qtbase5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |   | \
            |   |   |  qtbase5-dev = Source Package: qtbase-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [1]
            |   |   ├ Depends: qtbase5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |   | \
            |   |   |  qtbase5-private-dev = Source Package: qtbase-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [1]
            |   |   ├ Depends: qtdeclarative5-dev-tools (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |   | \
            |   |   |  qtdeclarative5-dev-tools = Source Package: qtdeclarative-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   |   ├ Depends: qtdeclarative5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |   | \
            |   |   |  qtdeclarative5-private-dev = Source Package: qtdeclarative-opensource-src
            |   |   |  \
            |   |   |  ^^ Circular build dependency here ^^ [3] [2] [1]
            |   |   ├ Depends: qdoc-qt5 (>= 5.15.2~) but it is not going to be installed
            |   |   | \
            |   |   |  qdoc-qt5 = Source Package: qttools-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   |   ├ Depends: qhelpgenerator-qt5 (>= 5.15.2~) but it is not going to be installed
            |   |   | \
            |   |   |  qhelpgenerator-qt5 = Source Package: qttools-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   |   ├ Depends: qtattributionsscanner-qt5 (>= 5.15.2~) but it is not going to be installed
            |   |   | \
            |   |   |  qtattributionsscanner-qt5 = Source Package: qttools-opensource-src
            |   |   |  \
            |   |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   |   └ Depends: qtdeclarative5-doc-html (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |     \
            |   |      qtdeclarative5-doc-html = Source Package: qtdeclarative-opensource-src
            |   |      \
            |   |       ^^ Circular build dependency here ^^ [3] [2] [1]
            |   ├ Depends: qml-module-qtquick-layouts (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qml-module-qtquick-layouts = Source Package: qtdeclarative-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   ├ Depends: qml-module-qtquick-window2 (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qml-module-qtquick-window2 = Source Package: qtdeclarative-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   ├ Depends: qml-module-qttest (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qml-module-qttest = Source Package: qtdeclarative-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   ├ Depends: qtbase5-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   |          \
            |   |           qtbase5-dev = Source Package: qtbase-opensource-src
            |   |           \
            |   |            ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qtbase5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtbase5-private-dev = Source Package: qtbase-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qtdeclarative5-dev-tools (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtdeclarative5-dev-tools = Source Package: qtdeclarative-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   ├ Depends: qtdeclarative5-private-dev (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtdeclarative5-private-dev = Source Package: qtdeclarative-opensource-src
            |   |  \
            |   |  ^^ Circular build dependency here ^^ [3] [2] [1]
            |   ├ Depends: qdoc-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qdoc-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qhelpgenerator-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qhelpgenerator-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qtattributionsscanner-qt5 (>= 5.15.2~) but it is not going to be installed
            |   | \
            |   |  qtattributionsscanner-qt5 = Source Package: qttools-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [2] [1]
            |   ├ Depends: qtbase5-doc-html (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtbase5-doc-html = Source Package: qtbase-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [1]
            |   ├ Depends: qtdeclarative5-doc-html (>= 5.15.2+dfsg~) but it is not going to be installed
            |   | \
            |   |  qtdeclarative5-doc-html = Source Package: qtdeclarative-opensource-src
            |   |  \
            |   |   ^^ Circular build dependency here ^^ [3] [2] [1]
            |   └ Depends: qtgraphicaleffects5-doc-html (>= 5.15.2~) but it is not going to be installed
            |     \
            |      qtgraphicaleffects5-doc-html = Source Package: qtgraphicaleffects-opensource-src
            |      \
            |       ^^ Circular build dependency here ^^ [6] [3] [2] [1]
            |
            ├ Depends: qttools5-dev (>= 5.15.2~) but it is not going to be installed
            | \
            |  qttools5-dev = Source Package: qttools-opensource-src
            |  \
            |   ^^ Circular build dependency here ^^ [2] [1]
            ├ Depends: qdoc-qt5 (>= 5.15.2~) but it is not going to be installed
            | \
            |  qdoc-qt5 = Source Package: qttools-opensource-src
            |  \
            |   ^^ Circular build dependency here ^^ [2] [1]
            ├ Depends: qhelpgenerator-qt5 (>= 5.15.2~) but it is not going to be installed
            | \
            |  qhelpgenerator-qt5 = Source Package: qttools-opensource-src
            |  \
            |   ^^ Circular build dependency here ^^ [2] [1]
            ├ Depends: qtattributionsscanner-qt5 (>= 5.15.2~) but it is not going to be installed
            | \
            |  qtattributionsscanner-qt5 = Source Package: qttools-opensource-src
            |  \
            |   ^^ Circular build dependency here ^^ [2] [1]
            └ Depends: qtbase5-doc-html (>= 5.15.2+dfsg~) but it is not going to be installed
              \
               qtbase5-doc-html = Source Package: qtbase-opensource-src
               \
                ^^ Circular build dependency here ^^ [1]

What an amazing dependency tree. Amazing work, James. I got this Gist from ubuntu-devel-discuss today.

Regards,

Malsasa