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01/02: gnu: Rename qtbase to qtbase-5.


From: guix-commits
Subject: 01/02: gnu: Rename qtbase to qtbase-5.
Date: Mon, 14 Jun 2021 00:49:17 -0400 (EDT)

apteryx pushed a commit to branch master
in repository guix.

commit ea0a51071e68c37a4c9c25421cf03bc2f442c67b
Author: Maxim Cournoyer <maxim.cournoyer@gmail.com>
AuthorDate: Fri Apr 9 21:53:32 2021 -0400

    gnu: Rename qtbase to qtbase-5.
    
    This change was automated via the following command:
    
    $ git ls-files | xargs sed -i 's/,qtbase)/,qtbase-5)/g'
    $ git ls-files | xargs sed -i 's/inherit qtbase)/inherit qtbase-5)/g'
    $ git ls-files | xargs sed -i 's/package-version qtbase)/package-version 
qtbase-5)/g'
    $ git checkout etc    # to clear some spurious changes
    
    This is done so the qtbase package can be upgraded to version 6 in the
    following commit.
---
 gnu/packages/admin.scm            |   2 +-
 gnu/packages/aidc.scm             |   2 +-
 gnu/packages/animation.scm        |   4 +-
 gnu/packages/astronomy.scm        |   4 +-
 gnu/packages/audio.scm            |  20 ++---
 gnu/packages/bioinformatics.scm   |   2 +-
 gnu/packages/bittorrent.scm       |   2 +-
 gnu/packages/calendar.scm         |   2 +-
 gnu/packages/chemistry.scm        |   6 +-
 gnu/packages/compression.scm      |   2 +-
 gnu/packages/connman.scm          |   2 +-
 gnu/packages/cvassistant.scm      |   2 +-
 gnu/packages/display-managers.scm |   2 +-
 gnu/packages/djvu.scm             |   2 +-
 gnu/packages/documentation.scm    |   2 +-
 gnu/packages/ebook.scm            |   2 +-
 gnu/packages/education.scm        |   8 +-
 gnu/packages/electronics.scm      |   2 +-
 gnu/packages/emulators.scm        |  10 +--
 gnu/packages/engineering.scm      |  16 ++--
 gnu/packages/fcitx.scm            |   2 +-
 gnu/packages/fcitx5.scm           |   6 +-
 gnu/packages/finance.scm          |  12 +--
 gnu/packages/flashing-tools.scm   |   4 +-
 gnu/packages/fpga.scm             |   2 +-
 gnu/packages/game-development.scm |   6 +-
 gnu/packages/games.scm            |  96 ++++++++++-----------
 gnu/packages/geo.scm              |   6 +-
 gnu/packages/gnupg.scm            |   4 +-
 gnu/packages/gpodder.scm          |   2 +-
 gnu/packages/gps.scm              |   6 +-
 gnu/packages/graphics.scm         |   4 +-
 gnu/packages/gstreamer.scm        |   2 +-
 gnu/packages/image-processing.scm |   6 +-
 gnu/packages/image-viewers.scm    |   6 +-
 gnu/packages/image.scm            |   2 +-
 gnu/packages/irc.scm              |   2 +-
 gnu/packages/jami.scm             |   2 +-
 gnu/packages/julia-jll.scm        |   2 +-
 gnu/packages/kde-frameworks.scm   | 172 +++++++++++++++++++-------------------
 gnu/packages/kde-internet.scm     |  16 ++--
 gnu/packages/kde-multimedia.scm   |  26 +++---
 gnu/packages/kde-pim.scm          |  80 +++++++++---------
 gnu/packages/kde-plasma.scm       |  12 +--
 gnu/packages/kde-systemtools.scm  |  14 ++--
 gnu/packages/kde-utils.scm        |  22 ++---
 gnu/packages/kde.scm              |  50 +++++------
 gnu/packages/language.scm         |   4 +-
 gnu/packages/lego.scm             |   2 +-
 gnu/packages/linphone.scm         |   2 +-
 gnu/packages/logo.scm             |   2 +-
 gnu/packages/lxqt.scm             |  56 ++++++-------
 gnu/packages/maths.scm            |  10 +--
 gnu/packages/messaging.scm        |  14 ++--
 gnu/packages/mpd.scm              |   2 +-
 gnu/packages/music.scm            |  40 ++++-----
 gnu/packages/networking.scm       |   4 +-
 gnu/packages/ocr.scm              |   2 +-
 gnu/packages/orange.scm           |   2 +-
 gnu/packages/password-utils.scm   |   4 +-
 gnu/packages/pdf.scm              |  10 +--
 gnu/packages/photo.scm            |   2 +-
 gnu/packages/polkit.scm           |   2 +-
 gnu/packages/printers.scm         |   4 +-
 gnu/packages/profiling.scm        |   2 +-
 gnu/packages/pumpio.scm           |   2 +-
 gnu/packages/python-xyz.scm       |   4 +-
 gnu/packages/qt.scm               | 112 ++++++++++++-------------
 gnu/packages/radio.scm            |  22 ++---
 gnu/packages/robotics.scm         |   4 +-
 gnu/packages/scribus.scm          |   2 +-
 gnu/packages/sync.scm             |   6 +-
 gnu/packages/syndication.scm      |   2 +-
 gnu/packages/synergy.scm          |   2 +-
 gnu/packages/telegram.scm         |   2 +-
 gnu/packages/telephony.scm        |   4 +-
 gnu/packages/terminals.scm        |   2 +-
 gnu/packages/tex.scm              |   4 +-
 gnu/packages/text-editors.scm     |   4 +-
 gnu/packages/video.scm            |  20 ++---
 gnu/packages/web-browsers.scm     |   2 +-
 gnu/packages/web.scm              |  10 +--
 gnu/packages/xdisorg.scm          |   2 +-
 gnu/packages/xorg.scm             |   2 +-
 84 files changed, 515 insertions(+), 515 deletions(-)

diff --git a/gnu/packages/admin.scm b/gnu/packages/admin.scm
index 3ecbfbc..52851c9 100644
--- a/gnu/packages/admin.scm
+++ b/gnu/packages/admin.scm
@@ -1866,7 +1866,7 @@ command.")
   (package
     (inherit wpa-supplicant)
     (name "wpa-supplicant-gui")
-    (inputs `(("qtbase" ,qtbase)
+    (inputs `(("qtbase" ,qtbase-5)
               ("qtsvg" ,qtsvg)
               ,@(package-inputs wpa-supplicant)))
     (native-inputs
diff --git a/gnu/packages/aidc.scm b/gnu/packages/aidc.scm
index d1b63de..3db631d 100644
--- a/gnu/packages/aidc.scm
+++ b/gnu/packages/aidc.scm
@@ -195,7 +195,7 @@ C/C++ programs to use its capabilities without restrictions 
or overhead.")
        ("imagemagick" ,imagemagick)
        ("libjpeg" ,libjpeg-turbo)
        ("python" ,python)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("v4l-utils" ,v4l-utils)))
     (synopsis "Bar code reader")
diff --git a/gnu/packages/animation.scm b/gnu/packages/animation.scm
index 71fc8f2..bf44f3b 100644
--- a/gnu/packages/animation.scm
+++ b/gnu/packages/animation.scm
@@ -450,7 +450,7 @@ language.")
                            qt)))
                  #t))))))
       (inputs
-       `(("qt" ,qtbase)
+       `(("qt" ,qtbase-5)
          ("qtmultimedia" ,qtmultimedia)
          ("libsndfile" ,libsndfile)))
       (native-inputs
@@ -480,7 +480,7 @@ waveform until they line up with the proper sounds.")
                 "0b1nwiwyg01087q318vymg4si76dw41ykxbn2zwd6dqbxzbpr1dh"))))
     (build-system gnu-build-system)
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtxmlpatterns" ,qtxmlpatterns)
        ("qtmultimedia" ,qtmultimedia)
        ("qtsvg" ,qtsvg)))
diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm
index c4a6869..023aa98 100644
--- a/gnu/packages/astronomy.scm
+++ b/gnu/packages/astronomy.scm
@@ -412,7 +412,7 @@ deconvolution).  Such post-processing is not performed by 
Stackistry.")
         (base32 "04vg2asj9gygwnrs32scqc8192ln2lyqa9v7cjqk8zd4frkwszwp"))))
     (build-system cmake-build-system)
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtlocation" ,qtlocation)
        ("qtmultimedia" ,qtmultimedia)
        ("qtscript" ,qtscript)
@@ -421,7 +421,7 @@ deconvolution).  Such post-processing is not performed by 
Stackistry.")
     (native-inputs
      `(("gettext" ,gettext-minimal)     ; xgettext is used at compile time
        ("perl" ,perl)                   ; for pod2man
-       ("qtbase" ,qtbase)               ; Qt MOC is needed at compile time
+       ("qtbase" ,qtbase-5)               ; Qt MOC is needed at compile time
        ("qttools" ,qttools)))
     (arguments
      `(#:test-target "test"
diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 70c06f5..3885a22 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -497,7 +497,7 @@ implementation of Adaptive Multi Rate Narrowband and 
Wideband
        ("jack" ,jack-1)
        ("ladspa" ,ladspa)
        ("liblo" ,liblo)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("qttools" ,qttools)))
@@ -2149,7 +2149,7 @@ synchronous execution of all clients, and low latency 
operation.")
        ("gtk2" ,gtk+-2)
        ("gtk3" ,gtk+)
        ("gtkmm" ,gtkmm-2)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("jack" ,jack-1)))
     (native-inputs
      `(("pkg-config" ,pkg-config)))
@@ -2741,7 +2741,7 @@ different audio devices such as ALSA or PulseAudio.")
      `(("jack" ,jack-1)
        ("alsa-lib" ,alsa-lib)
        ("portaudio" ,portaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
@@ -2775,11 +2775,11 @@ into various outputs and to start, stop and configure 
jackd")
                      (string-append "PREFIX="
                                     (assoc-ref outputs "out"))))))))
     (native-inputs
-     `(("qtbase" ,qtbase))) ; for qmake
+     `(("qtbase" ,qtbase-5))) ; for qmake
     (inputs
      `(("jack" ,jack-1)
        ("libsndfile" ,libsndfile)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://sourceforge.net/projects/qjackrcd/";)
     (synopsis "Stereo audio recorder for JACK")
     (description "QJackRcd is a simple graphical stereo recorder for JACK
@@ -2888,7 +2888,7 @@ link REQUIRED)"))
        ("boost" ,boost)
        ("boost-sync" ,boost-sync)
        ("yaml-cpp" ,yaml-cpp)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)
        ("qtwebchannel" ,qtwebchannel)
@@ -3090,7 +3090,7 @@ the Turtle syntax.")
      `(("lv2" ,lv2)
        ("gtk+" ,gtk+-2)
        ("gtk+" ,gtk+)
-       ("qt" ,qtbase)))
+       ("qt" ,qtbase-5)))
     (native-inputs
      `(("pkg-config" ,pkg-config)))
     (home-page "https://drobilla.net/software/suil/";)
@@ -3566,7 +3566,7 @@ interface.")
        ("pkg-config" ,pkg-config)))
     (inputs
      `(("fluidsynth" ,fluidsynth)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (home-page "https://qsynth.sourceforge.io";)
     (synopsis "Graphical user interface for FluidSynth")
@@ -4742,7 +4742,7 @@ as is the case with audio plugins.")
        ;; (ModuleNotFoundError: No module named 'PyQt5')
        ("python-wrapper" ,python-wrapper)
        ("libx11" ,libx11)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("zlib" ,zlib)
 
        ;; For WRAP-SCRIPT above.
@@ -5101,7 +5101,7 @@ Rate} 3600x2250 bit/s vocoder used in various radio 
systems.")
      `(("catch" ,catch-framework)
        ("python" ,python)       ;for running tests
        ("portaudio" ,portaudio) ;for portaudio examples
-       ("qtbase" ,qtbase)       ;for Qt examples
+       ("qtbase" ,qtbase-5)       ;for Qt examples
        ("qtdeclarative" ,qtdeclarative)
        ("qttools" ,qttools)))
     (inputs
diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index d1c6b88..d09f55e 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -11030,7 +11030,7 @@ Thus the per-base error rate is similar to the raw 
input reads.")
                (install-file "Bandage" (string-append out "/bin"))
                #t))))))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (native-inputs
      `(("imagemagick" ,imagemagick)))
diff --git a/gnu/packages/bittorrent.scm b/gnu/packages/bittorrent.scm
index 29b0d62..5d6a780 100644
--- a/gnu/packages/bittorrent.scm
+++ b/gnu/packages/bittorrent.scm
@@ -459,7 +459,7 @@ desktops.")
        ("libtorrent-rasterbar" ,libtorrent-rasterbar)
        ("openssl" ,openssl)
        ("python" ,python-wrapper)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("zlib" ,zlib)))
     (home-page "https://www.qbittorrent.org/";)
diff --git a/gnu/packages/calendar.scm b/gnu/packages/calendar.scm
index f62f746..aaf1e69 100644
--- a/gnu/packages/calendar.scm
+++ b/gnu/packages/calendar.scm
@@ -347,7 +347,7 @@ and ruby.  It includes two illustrative command-line 
programs, @code{hcal} and
     (native-inputs
      `(("perl" ,perl))) ; pod2man
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://www.toastfreeware.priv.at/confclerk";)
     (synopsis "Offline conference schedule application")
     (description
diff --git a/gnu/packages/chemistry.scm b/gnu/packages/chemistry.scm
index 4b0e719..a52ecf6 100644
--- a/gnu/packages/chemistry.scm
+++ b/gnu/packages/chemistry.scm
@@ -80,7 +80,7 @@
        ("molequeue" ,molequeue)
        ("python" ,python)
        ("spglib" ,spglib)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      '(#:configure-flags (list "-DENABLE_TESTING=ON"
                                (string-append "-DSPGLIB_INCLUDE_DIR="
@@ -116,7 +116,7 @@ bioinformatics, materials science, and related areas.")
      `(("avogadrolibs" ,avogadrolibs)
        ("hdf5" ,hdf5)
        ("molequeue" ,molequeue)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     ;; TODO: Enable tests with "-DENABLE_TESTING" configure flag.
     (arguments
      '(#:tests? #f))
@@ -301,7 +301,7 @@ biological structures.")
          "1w1fgxzqrb5yxvpmnc3c9ymnvixy0z1nfafkd9whg9zw8nbgl998"))))
     (build-system cmake-build-system)
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (arguments
      '(#:configure-flags '("-DENABLE_TESTING=ON")
        #:phases
diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index 156219f..6070429 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -2211,7 +2211,7 @@ download times, and other distribution and storage 
costs.")
     (native-inputs
      `(("doxygen" ,doxygen)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("zlib" ,zlib)))
     (home-page "https://stachenov.github.io/quazip/index.html";)
     (synopsis "Qt/C++ wrapper for Minizip")
diff --git a/gnu/packages/connman.scm b/gnu/packages/connman.scm
index 74db5fc..ac3e742 100644
--- a/gnu/packages/connman.scm
+++ b/gnu/packages/connman.scm
@@ -149,7 +149,7 @@ sharing) to clients via USB, ethernet, WiFi, cellular and 
Bluetooth.")
        (sha256
         (base32 "0jn12wxwjznady6aniwmvahg1dj25p902sdwj0070biv6vx5c7dq"))))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (native-inputs
      `(("qttools" ,qttools)))
     (build-system gnu-build-system)
diff --git a/gnu/packages/cvassistant.scm b/gnu/packages/cvassistant.scm
index f57806d..3f3a6f7 100644
--- a/gnu/packages/cvassistant.scm
+++ b/gnu/packages/cvassistant.scm
@@ -69,7 +69,7 @@
          (replace 'configure
            (lambda _ (invoke "qmake"))))))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("quazip" ,quazip)
        ("zlib" ,zlib)))
     (home-page "https://cvassistant.sourceforge.io/";)
diff --git a/gnu/packages/display-managers.scm 
b/gnu/packages/display-managers.scm
index 6ea6e1a..8a0342d 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -80,7 +80,7 @@
        ("libxcb" ,libxcb)
        ("libxkbcommon" ,libxkbcommon)
        ("linux-pam" ,linux-pam)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
 
        ;; Some user-defined themes use QtQuick components internally.  Adding
diff --git a/gnu/packages/djvu.scm b/gnu/packages/djvu.scm
index 6423eb1..96071b8 100644
--- a/gnu/packages/djvu.scm
+++ b/gnu/packages/djvu.scm
@@ -119,7 +119,7 @@ utilities.")
        ("glib" ,glib)
        ("libxt" ,libxt)
        ("libtiff" ,libtiff)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
diff --git a/gnu/packages/documentation.scm b/gnu/packages/documentation.scm
index 3951031..19190f4 100644
--- a/gnu/packages/documentation.scm
+++ b/gnu/packages/documentation.scm
@@ -330,7 +330,7 @@ local system.")
       (inputs
        `(("libarchive" ,libarchive)
          ("sqlite" ,sqlite)
-         ("qtbase" ,qtbase)
+         ("qtbase" ,qtbase-5)
          ("qtdeclarative" ,qtdeclarative)
          ("qtwebchannel" ,qtwebchannel)
          ("qtwebengine" ,qtwebengine)
diff --git a/gnu/packages/ebook.scm b/gnu/packages/ebook.scm
index 2ea1521..48f005f 100644
--- a/gnu/packages/ebook.scm
+++ b/gnu/packages/ebook.scm
@@ -147,7 +147,7 @@ with Microsoft Compiled HTML (CHM) files")
     (build-system python-build-system)
     (native-inputs
      `(("pkg-config" ,pkg-config)
-       ("qtbase" ,qtbase) ; for qmake
+       ("qtbase" ,qtbase-5) ; for qmake
        ("python-flake8" ,python-flake8)
        ("python-pyqt-builder" ,python-pyqt-builder)
        ("xdg-utils" ,xdg-utils)))
diff --git a/gnu/packages/education.scm b/gnu/packages/education.scm
index b326030..45d7311 100644
--- a/gnu/packages/education.scm
+++ b/gnu/packages/education.scm
@@ -191,7 +191,7 @@ of categories with some of the activities available in that 
category.
     (inputs
      `(("openssl" ,openssl)
        ("python" ,python-wrapper)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtgraphicaleffects" ,qtgraphicaleffects)
        ("qtmultimedia" ,qtmultimedia)
@@ -260,7 +260,7 @@ Currently available boards include:
                ;; Recreate Makefile
                (invoke "qmake")))))))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)))
     (home-page "https://www.tipp10.com/";)
     (synopsis "Touch typing tutor")
@@ -638,7 +638,7 @@ Portuguese, Spanish and Italian.")
          (replace 'configure
            (lambda _ (invoke "qmake" "fet.pro"))))))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://www.lalescu.ro/liviu/fet/";)
     (synopsis "Timetabling software")
     (description
@@ -712,7 +712,7 @@ language and very flexible regarding to new or unknown 
keyboard layouts.")
        ("kxmlgui" ,kxmlgui)
        ("libxcb" ,libxcb)
        ("libxkbfile" ,libxkbfile)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtgraphicaleffects" ,qtgraphicaleffects)
        ("qtquickcontrols2" ,qtquickcontrols2)
diff --git a/gnu/packages/electronics.scm b/gnu/packages/electronics.scm
index 861544e..0e985c9 100644
--- a/gnu/packages/electronics.scm
+++ b/gnu/packages/electronics.scm
@@ -277,7 +277,7 @@ format support.")
        ("glibmm" ,glibmm)
        ("libsigrok" ,libsigrok)
        ("libsigrokdecode" ,libsigrokdecode)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (home-page "https://www.sigrok.org/wiki/PulseView";)
     (synopsis "Qt based logic analyzer, oscilloscope and MSO GUI for sigrok")
diff --git a/gnu/packages/emulators.scm b/gnu/packages/emulators.scm
index 54b7b58..ec8d3d2 100644
--- a/gnu/packages/emulators.scm
+++ b/gnu/packages/emulators.scm
@@ -276,7 +276,7 @@ SuperCPU.")
          ("openal" ,openal)
          ("pugixml" ,pugixml)
          ("pulseaudio" ,pulseaudio)
-         ("qtbase" ,qtbase)
+         ("qtbase" ,qtbase-5)
          ("sdl2" ,sdl2)
          ("sfml" ,sfml)
          ("soil" ,soil)
@@ -376,7 +376,7 @@ older games.")
        #:tests? #f))    ; test suite wants mips toolchain
     (inputs
      `(("elfutils" ,elfutils)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://github.com/cvut/QtMips";)
     (synopsis "MIPS CPU emulator")
     (description "This package contains a MIPS CPU emulator.  The simulator
@@ -620,7 +620,7 @@ The following systems are supported:
               ("mesa" ,mesa)
               ("minizip" ,minizip)
               ("ncurses" ,ncurses)
-              ("qtbase" ,qtbase)
+              ("qtbase" ,qtbase-5)
               ("qtmultimedia" ,qtmultimedia)
               ("sdl2" ,sdl2)
               ("sqlite" ,sqlite)
@@ -1379,7 +1379,7 @@ as RetroArch.")
        ("openal" ,openal)
        ("pulseaudio" ,pulseaudio)
        ("python" ,python)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("sdl" ,sdl2)
        ("udev" ,eudev)
        ("vulkan-loader" ,vulkan-loader)
@@ -1799,7 +1799,7 @@ This is a part of the TiLP project.")
        ("pugixml" ,pugixml)
        ("pulseaudio" ,pulseaudio)
        ("python-wrapper" ,python-wrapper)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("rapidjson" ,rapidjson)
        ("sdl" ,(sdl-union (list sdl2 sdl2-ttf)))
        ("sqlite" ,sqlite)
diff --git a/gnu/packages/engineering.scm b/gnu/packages/engineering.scm
index 981dd9e..1074aa5 100644
--- a/gnu/packages/engineering.scm
+++ b/gnu/packages/engineering.scm
@@ -201,7 +201,7 @@
      `(("boost" ,boost)
        ("muparser" ,muparser)
        ("freetype" ,freetype)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
@@ -701,7 +701,7 @@ multipole-accelerated algorithm.")
                        (string-append "PREFIX=" out)
                        "phoenix.pro")))))))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtserialport" ,qtserialport)
        ("qtsvg" ,qtsvg)
        ("libgit2" ,libgit2)
@@ -834,7 +834,7 @@ fonts to gEDA.")
       (inputs
        `(("boost" ,boost)
          ("libpng" ,libpng)
-         ("qtbase" ,qtbase)
+         ("qtbase" ,qtbase-5)
          ("eigen" ,eigen)
          ("guile" ,guile-3.0)))
       (home-page "https://libfive.com";)
@@ -2047,7 +2047,7 @@ parallel computing platforms.  It also supports serial 
execution.")
         (base32 "1b5dkanz3q0y5ag80w0l85hn7axrachb5m9zvyv4zvzrfy09wa88"))))
     (build-system gnu-build-system)
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("zlib" ,zlib)))
     (native-inputs
@@ -2209,7 +2209,7 @@ simulation.")
     (native-inputs
      `(("pkg-config" ,pkg-config)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("openssl" ,openssl)
        ;; Depends on radare2 4.5.1 officially, builds and works fine with
@@ -2288,7 +2288,7 @@ specification can be downloaded at 
@url{http://3mf.io/specification/}.";)
        ("mpfr" ,mpfr)
        ("opencsg" ,opencsg)
        ("qscintilla" ,qscintilla)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)))
     (native-inputs
      `(("bison" ,bison)
@@ -2420,7 +2420,7 @@ comments.")))
        ("python-pyyaml" ,python-pyyaml)
        ("python-shiboken-2" ,python-shiboken-2)
        ("python-wrapper" ,python-wrapper)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtwebkit" ,qtwebkit)
        ("qtx11extras" ,qtx11extras)
@@ -2700,7 +2700,7 @@ export filters.")
                (base32 
"1cgx24wxh2ah5pff51rcrk6x8qcdjpkxcdak7s4cfzmxvjlshydd"))))
     (build-system cmake-build-system)
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtscript" ,qtscript)
        ("qtxmlpatterns" ,qtxmlpatterns)
        ("mesa" ,mesa)
diff --git a/gnu/packages/fcitx.scm b/gnu/packages/fcitx.scm
index 80bfbd8..c602789 100644
--- a/gnu/packages/fcitx.scm
+++ b/gnu/packages/fcitx.scm
@@ -88,7 +88,7 @@
        ("libintl" ,intltool)
        ("libxkbcommon" ,libxkbcommon)))
     (propagated-inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (synopsis "Fcitx Qt5 Input Context")
     (description "This package provides a Qt5 frontend for fcitx.")
     (home-page "https://github.com/fcitx/fcitx-qt5/";)
diff --git a/gnu/packages/fcitx5.scm b/gnu/packages/fcitx5.scm
index 33b0175..737f47f 100644
--- a/gnu/packages/fcitx5.scm
+++ b/gnu/packages/fcitx5.scm
@@ -271,7 +271,7 @@ for GTK+2/GTK+3 application.")
      `(("fcitx5" ,fcitx5)
        ("libxcb" ,libxcb)
        ("libxkbcommon" ,libxkbcommon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("gettext" ,gettext-minimal)))
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)))
@@ -317,7 +317,7 @@ for Qt based application.")
        ("fmt" ,fmt)
        ("libpthread-stubs" ,libpthread-stubs)
        ("opencc" ,opencc)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("fcitx5-qt" ,fcitx5-qt)
        ("qtwebkit" ,qtwebkit)))
     (native-inputs
@@ -365,7 +365,7 @@ including input methods previous bundled inside Fcitx 4:
     (inputs
      `(("fcitx5" ,fcitx5)
        ("fcitx5-qt" ,fcitx5-qt)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("kitemviews" ,kitemviews)
        ("kwidgetsaddons" ,kwidgetsaddons)
diff --git a/gnu/packages/finance.scm b/gnu/packages/finance.scm
index acc0777..d4c571d 100644
--- a/gnu/packages/finance.scm
+++ b/gnu/packages/finance.scm
@@ -138,7 +138,7 @@
        ("libevent" ,libevent)
        ("miniupnpc" ,miniupnpc)
        ("openssl" ,openssl)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:configure-flags
        (list
@@ -773,7 +773,7 @@ the Monero command line client and daemon.")
      `(,@(package-inputs monero)
        ("libgcrypt" ,libgcrypt)
        ("monero" ,monero)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtgraphicaleffects" ,qtgraphicaleffects)
        ("qtquickcontrols" ,qtquickcontrols)
@@ -1309,7 +1309,7 @@ Trezor wallet.")
        ("openssl" ,openssl)
        ("protobuf" ,protobuf)
        ("qrencode" ,qrencode)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("zeromq" ,zeromq)
        ("zlib" ,zlib)))
     (arguments
@@ -1422,7 +1422,7 @@ following three utilities are included with the library:
        ("openssl" ,openssl)
        ("protobuf" ,protobuf)
        ("qrencode" ,qrencode)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("zeromq" ,zeromq)
        ("zlib" ,zlib)))
     (arguments
@@ -1496,7 +1496,7 @@ a Qt GUI.")
      `(("qttools" ,qttools)))
     (inputs
      `(("python" ,python)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("rocksdb" ,rocksdb)
        ("zlib" ,zlib)))
     (home-page "https://gitlab.com/FloweeTheHub/fulcrum/";)
@@ -1561,7 +1561,7 @@ like Flowee the Hub, which Fulcrum connects to over RPC.")
        ("libevent" ,libevent)
        ("miniupnpc" ,miniupnpc)
        ("openssl" ,openssl)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("qttools" ,qttools)
diff --git a/gnu/packages/flashing-tools.scm b/gnu/packages/flashing-tools.scm
index 4b597dc..e0a099e 100644
--- a/gnu/packages/flashing-tools.scm
+++ b/gnu/packages/flashing-tools.scm
@@ -333,7 +333,7 @@ RK3036, RK3066, RK312X, RK3168, RK3188, RK3288, RK3368.")
                #t))))))
     (inputs
      `(("libusb" ,libusb)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("zlib" ,zlib)))
     (home-page "https://glassechidna.com.au/heimdall/";)
     (synopsis "Flash firmware onto Samsung mobile devices")
@@ -476,7 +476,7 @@ ME as far as possible (it only edits ME firmware image 
files).")
                                                      "/bin"))
              #t)))))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://github.com/LongSoft/UEFITool/";)
     (synopsis "UEFI image editor")
     (description "@code{uefitool} is a graphical image file editor for
diff --git a/gnu/packages/fpga.scm b/gnu/packages/fpga.scm
index 380a09d..5509f19 100644
--- a/gnu/packages/fpga.scm
+++ b/gnu/packages/fpga.scm
@@ -289,7 +289,7 @@ Includes the actual FTDI connector.")
          ("eigen" ,eigen)
          ("icestorm" ,icestorm)
          ("python" ,python)
-         ("qtbase" ,qtbase)
+         ("qtbase" ,qtbase-5)
          ("yosys" ,yosys)))
       (build-system cmake-build-system)
       (arguments
diff --git a/gnu/packages/game-development.scm 
b/gnu/packages/game-development.scm
index 2ac9c83..78983cd 100644
--- a/gnu/packages/game-development.scm
+++ b/gnu/packages/game-development.scm
@@ -461,7 +461,7 @@ support.")
                 "1prajkx1xpp3csa0xpkrn3c2cnzvmwzxgrqb9d3gqszp3sllr2dg"))))
     (build-system gnu-build-system)
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)
        ("zlib" ,zlib)))
@@ -1612,7 +1612,7 @@ of use.")
        ("mygui" ,mygui-gl)              ; OpenMW does not need Ogre.
        ("openal" ,openal)
        ("openscenegraph" ,openmw-openscenegraph)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("sdl" ,sdl2)
        ("unshield" ,unshield)))
     (synopsis "Re-implementation of the RPG Morrowind engine")
@@ -2431,7 +2431,7 @@ utilities frequently used in roguelikes.")
          ("mesa" ,mesa)
          ("openal" ,openal)
          ("pulseaudio" ,pulseaudio)
-         ("qtbase" ,qtbase)
+         ("qtbase" ,qtbase-5)
          ("qtdeclarative" ,qtdeclarative)
          ("sdl2" ,sdl2)
          ("uuid.h" ,util-linux "lib")
diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index 26d3567..6b3a6f0 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -928,7 +928,7 @@ want what you have.")
          ("pkg-config" ,pkg-config)))
       (inputs
        `(("protobuf" ,protobuf)
-         ("qtbase" ,qtbase)
+         ("qtbase" ,qtbase-5)
          ("qtmultimedia" ,qtmultimedia)
          ("qtsvg" ,qtsvg)
          ("qttools" ,qttools)
@@ -2414,7 +2414,7 @@ and defeat them with your bubbles!")
        ("luajit" ,luajit)
        ("openal" ,openal)
        ("physfs" ,physfs)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("sdl2" ,(sdl-union (list sdl2 sdl2-image sdl2-ttf)))))
     (home-page "https://www.solarus-games.org/";)
     (synopsis "Lightweight game engine for Action-RPGs")
@@ -5191,7 +5191,7 @@ in-window at 640x480 resolution or fullscreen.")
               ("miniupnpc" ,miniupnpc)
               ("openal" ,openal)
               ("physfs" ,physfs)
-              ("qtbase" ,qtbase)
+              ("qtbase" ,qtbase-5)
               ("qtscript" ,qtscript)
               ("openssl" ,openssl)
               ("sdl2" ,sdl2)
@@ -7245,7 +7245,7 @@ making Yamagi Quake II one of the most solid Quake II 
implementations available.
        ;; with multiple "QPainter:: ... Painter not active" warnings.
        #:tests? #f))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (native-inputs
      `(("cmake" ,cmake-minimal)
@@ -8962,7 +8962,7 @@ a fortress beyond the forbidden swamp.")
        ("mesa" ,mesa)
        ("miniupnpc" ,miniupnpc)
        ("openal" ,openal)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("readline" ,readline)
        ("sdl" ,sdl2)
        ("tinyxml" ,tinyxml)
@@ -9296,7 +9296,7 @@ and also provides the base for the FlightGear Flight 
Simulator.")
        ("openal" ,openal)
        ("openscenegraph" ,openscenegraph-3.4)
        ("plib" ,plib)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)
        ("simgear" ,simgear)
@@ -9423,7 +9423,7 @@ play with up to four players simultaneously.  It has 
network support.")
        ("libpng" ,libpng)
        ("lua" ,lua-5.1)
        ("physfs" ,physfs)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("sdl" ,(sdl-union
                 (list sdl2 sdl2-mixer sdl2-net sdl2-ttf sdl2-image)))))
     (native-inputs
@@ -10108,7 +10108,7 @@ remake of that series or any other game.")
       ("ocl-icd" ,ocl-icd)
       ("openblas" ,openblas)
       ("opencl-headers" ,opencl-headers)
-      ("qtbase" ,qtbase)
+      ("qtbase" ,qtbase-5)
       ("zlib" ,zlib)))
    (arguments
     '(#:configure-flags '("-DUSE_BLAS=YES")
@@ -10151,7 +10151,7 @@ can be downloaded from 
@url{https://zero.sjeng.org/best-network}.";)
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
-    `(("qtbase" ,qtbase)
+    `(("qtbase" ,qtbase-5)
       ("qtmultimedia" ,qtmultimedia)
       ("qtsvg" ,qtsvg)))
    (arguments
@@ -10243,7 +10243,7 @@ can be downloaded from 
@url{https://zero.sjeng.org/best-network}.";)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
        ("python" ,python-wrapper)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
@@ -10291,7 +10291,7 @@ This package is part of the KDE games module.")
        ("knewstuff" ,knewstuff)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -10330,7 +10330,7 @@ This package is part of the KDE games module.")
        ("kxmlgui" ,kxmlgui)
        ("ktextwidgets" ,ktextwidgets)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Miniature golf game")
@@ -10374,7 +10374,7 @@ This package is part of the KDE games module.")
        ("kcoreaddons" ,kcoreaddons)
        ("ki18n" ,ki18n)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
     (synopsis "Shared library for kmahjongg and kshisen")
@@ -10407,7 +10407,7 @@ other Mah Jongg like games.")
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
        ("libkmahjongg" ,libkmahjongg)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -10450,7 +10450,7 @@ This package is part of the KDE games module.")
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
        ("libkmahjongg" ,libkmahjongg)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Shisen-Sho solitaire game")
@@ -10495,7 +10495,7 @@ This package is part of the KDE games module.")
        ("python" ,python)
        ("python-twisted" ,python-twisted)
        ("python-pyqt" ,python-pyqt)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
     (synopsis "Classical Mah Jongg game for 4 players")
@@ -10538,7 +10538,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Breakout like game")
@@ -10577,7 +10577,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Classical mine sweeper game")
@@ -10614,7 +10614,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -10654,7 +10654,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -10693,7 +10693,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -10737,7 +10737,7 @@ This package is part of the KDE games module.")
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
        ("glu" ,glu)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -10794,7 +10794,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Place 5 equal pieces together, but wait, there are 3 new ones")
@@ -10838,7 +10838,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Action and puzzle solving game")
@@ -10882,7 +10882,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Three-in-a-row game")
@@ -10918,7 +10918,7 @@ This package is part of the KDE games module.")
        ("ki18n" ,ki18n)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -10958,7 +10958,7 @@ This package is part of the KDE games module.")
        ("ktextwidgets" ,ktextwidgets)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -11000,7 +11000,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Turn the board pieces to get all computers connected")
@@ -11039,7 +11039,7 @@ This package is part of the KDE games module.")
        ("ki18n" ,ki18n)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Arcade bombing game")
@@ -11084,7 +11084,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -11121,7 +11121,7 @@ This package is part of the KDE games module.")
        ("libkdegames" ,libkdegames)
        ("phonon" ,phonon)
        ("qca" ,qca)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)
        ("zlib" ,zlib)))
@@ -11183,7 +11183,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)
        ("shared-mime-info" ,shared-mime-info)))
@@ -11225,7 +11225,7 @@ This package is part of the KDE games module.")
        ("kiconthemes" ,kiconthemes)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Yahtzee dice game")
@@ -11265,7 +11265,7 @@ This package is part of the KDE games module.")
        ("ktextwidgets" ,ktextwidgets)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -11311,7 +11311,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -11352,7 +11352,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -11391,7 +11391,7 @@ This package is part of the KDE games module.")
        ("ki18n" ,ki18n)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -11431,7 +11431,7 @@ This package is part of the KDE games module.")
        ("ki18n" ,ki18n)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -11465,7 +11465,7 @@ This package is part of the KDE games module.")
        ("ki18n" ,ki18n)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -11505,7 +11505,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Port of the classic BSD console game robots")
@@ -11547,7 +11547,7 @@ This package is part of the KDE games module.")
        ("ki18n" ,ki18n)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -11585,7 +11585,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Simple ball dodging game")
@@ -11626,7 +11626,7 @@ This package is part of the KDE games module.")
        ("ktextwidgets" ,ktextwidgets)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Battleship board game with built-in game server")
@@ -11666,7 +11666,7 @@ This package is part of the KDE games module.")
        ("kio" ,kio)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -11708,7 +11708,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://games.kde.org/";)
     (synopsis "Dots and Boxes game")
@@ -11745,7 +11745,7 @@ This package is part of the KDE games module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("libkdegames" ,libkdegames)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -11908,7 +11908,7 @@ and chess engines.")
     (native-inputs
      `(("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("qtspeech" ,qtspeech)
        ("qtsvg" ,qtsvg)
@@ -12239,7 +12239,7 @@ game.")  ;thanks to Debian for description
        ("libgcrypt" ,libgcrypt)
        ("libircclient" ,libircclient)
        ("protobuf" ,protobuf-2)         ; remove package when no longer needed
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("sdl" ,(sdl-union (list sdl sdl-mixer)))
        ("sqlite" ,sqlite)
        ("tinyxml" ,tinyxml)
diff --git a/gnu/packages/geo.scm b/gnu/packages/geo.scm
index c4bdb6a..a0b4330 100644
--- a/gnu/packages/geo.scm
+++ b/gnu/packages/geo.scm
@@ -1247,7 +1247,7 @@ map display.  Downloads map data from a number of 
websites, including
        ("libpng" ,libpng)
        ("openjpeg" ,openjpeg)
        ("proj.4" ,proj.4)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("zlib" ,zlib)))
     (synopsis "Weather Forecast Visualization")
     (description
@@ -1663,7 +1663,7 @@ using the dataset of topographical information collected 
by
      `(("gdal" ,gdal)
        ("libjpeg-turbo" ,libjpeg-turbo)
        ("proj" ,proj)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtlocation" ,qtlocation)
        ("qtwebchannel" ,qtwebchannel)
@@ -2282,7 +2282,7 @@ growing set of geoscientific methods.")
        ("python-urllib3" ,python-urllib3)
        ("qca" ,qca)
        ("qscintilla" ,qscintilla)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtkeychain" ,qtkeychain)
        ("qtlocation" ,qtlocation)
diff --git a/gnu/packages/gnupg.scm b/gnu/packages/gnupg.scm
index fefa1e0..9cc94dd 100644
--- a/gnu/packages/gnupg.scm
+++ b/gnu/packages/gnupg.scm
@@ -410,7 +410,7 @@ and every application benefits from this.")
        ,@(package-native-inputs gpgme)))
     (inputs
      `(("gpgme" ,gpgme)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ,@(package-inputs gpgme)))
     (synopsis "Qt API bindings for gpgme")
     (description "QGpgme provides a very high level Qt API around GpgMEpp.
@@ -863,7 +863,7 @@ software.")))
     (arguments
      `(#:configure-flags '("--enable-fallback-curses")))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ,@(package-inputs pinentry-tty)))
   (description
    "Pinentry provides a console and a Qt GUI that allows users to enter a
diff --git a/gnu/packages/gpodder.scm b/gnu/packages/gpodder.scm
index 677ec3f..1219162 100644
--- a/gnu/packages/gpodder.scm
+++ b/gnu/packages/gpodder.scm
@@ -144,7 +144,7 @@ locally for later listening.")
     (native-inputs
      `(("pkg-config" ,pkg-config)))
     (inputs
-     `(("qt" ,qtbase)))
+     `(("qt" ,qtbase-5)))
     (arguments
      `(#:configure-flags '("-DMYGPO_BUILD_TESTS=ON")
        ;; TODO: Enable tests when https://github.com/gpodder/gpodder/issues/446
diff --git a/gnu/packages/gps.scm b/gnu/packages/gps.scm
index d2f0bec..0eb4362 100644
--- a/gnu/packages/gps.scm
+++ b/gnu/packages/gps.scm
@@ -85,7 +85,7 @@
     (inputs
      `(("expat" ,expat)
        ("libusb" ,libusb)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("zlib" ,zlib)))
     (native-inputs
      `(("which" ,which)
@@ -207,7 +207,7 @@ coordinates as well as partial support for adjustments in 
global coordinate syst
                      (string-append "PREFIX="
                                     (assoc-ref outputs "out"))))))))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (native-inputs
      `(("qttools" ,qttools)))
     (home-page "https://www.gpxsee.org";)
@@ -246,7 +246,7 @@ such as elevation, speed, heart rate, power, temperature, 
and gear shifts.")
        ("python-pygobject" ,python-pygobject)
        ("python-pyserial" ,python-pyserial)
        ("python-wrapper" ,python-wrapper)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:scons-flags
        (list (string-append "prefix=" %output)
diff --git a/gnu/packages/graphics.scm b/gnu/packages/graphics.scm
index 1006bb3..4f465f6 100644
--- a/gnu/packages/graphics.scm
+++ b/gnu/packages/graphics.scm
@@ -1500,7 +1500,7 @@ exec -a \"$0\" ~a/.brdf-real~%"
       (native-inputs
        `(("qttools" ,qttools))) ;for 'qmake'
       (inputs
-       `(("qtbase" ,qtbase)
+       `(("qtbase" ,qtbase-5)
          ("mesa" ,mesa)
          ("glew" ,glew)
          ("freeglut" ,freeglut)
@@ -1936,7 +1936,7 @@ Automated palette selection is supported.")
          ("libvpx" ,libvpx)
          ("libxi" ,libxi)
          ;; ("miniupnpc" ,miniupnpc) ;segfaults for some reason
-         ("qtbase" ,qtbase)
+         ("qtbase" ,qtbase-5)
          ("qtkeychain" ,qtkeychain)
          ("qtmultimedia" ,qtmultimedia)
          ("qtsvg" ,qtsvg)
diff --git a/gnu/packages/gstreamer.scm b/gnu/packages/gstreamer.scm
index 9e70961..3047773 100644
--- a/gnu/packages/gstreamer.scm
+++ b/gnu/packages/gstreamer.scm
@@ -767,7 +767,7 @@ model to base your own plug-in on, here it is.")
        ("openssl" ,openssl)
        ("opus" ,opus)
        ("orc" ,orc)
-       ;("qtbase" ,qtbase)
+       ;("qtbase" ,qtbase-5)
        ;("qtdeclarative" ,qtdeclarative)
        ;("qtx11extras" ,qtx11extras)
        ("soundtouch" ,soundtouch)
diff --git a/gnu/packages/image-processing.scm 
b/gnu/packages/image-processing.scm
index da2653c..7b29c2a 100644
--- a/gnu/packages/image-processing.scm
+++ b/gnu/packages/image-processing.scm
@@ -707,7 +707,7 @@ including 2D color images.")
        ("qttools" ,qttools)))
     (inputs
      `(("gmic" ,gmic)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ,@(package-inputs gmic)))
     (synopsis "Qt frontend for the G'MIC image processing framework")
     (license license:gpl3+)))
@@ -1035,7 +1035,7 @@ combine the information contained in both.")
        ;; not with 4.13.  It really needs to be 4.12.
        ("itk" ,insight-toolkit-4.12)
        ("vtk" ,vtk-6)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("vxl" ,vxl-1)
        ("zlib" ,zlib)))
@@ -1162,7 +1162,7 @@ substituted by matching images.")
          ("libjpeg" ,libjpeg-turbo)
          ("libpng" ,libpng)
          ("libtiff" ,libtiff)
-         ("qtbase" ,qtbase)
+         ("qtbase" ,qtbase-5)
          ("qtsvg" ,qtsvg)
          ("zlib" ,zlib)))
       (arguments
diff --git a/gnu/packages/image-viewers.scm b/gnu/packages/image-viewers.scm
index c7dd358..f01b6a6 100644
--- a/gnu/packages/image-viewers.scm
+++ b/gnu/packages/image-viewers.scm
@@ -358,7 +358,7 @@ It supports JPEG, PNG and GIF formats.")
      `(("pkg-config" ,pkg-config)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)
        ("qtwebkit" ,qtwebkit)
@@ -527,7 +527,7 @@ For PDF support, install the @emph{mupdf} package.")
                (("updateText\\(\\);") ""))
              #t)))))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtimageformats" ,qtimageformats)))
     (home-page "https://interversehq.com/qview/";)
@@ -733,7 +733,7 @@ to set X desktop background.")
        ("opencv" ,opencv)
        ("python" ,python-wrapper)
        ("quazip" ,quazip)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm
index 8f068a0..457fb90 100644
--- a/gnu/packages/image.scm
+++ b/gnu/packages/image.scm
@@ -1824,7 +1824,7 @@ parsing, viewing, modifying, and saving this metadata.")
     (native-inputs
      `(("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (arguments
      `(#:tests? #f))                    ;no tests
diff --git a/gnu/packages/irc.scm b/gnu/packages/irc.scm
index 2232654..d9c03c7 100644
--- a/gnu/packages/irc.scm
+++ b/gnu/packages/irc.scm
@@ -131,7 +131,7 @@
      `(("inxi" ,inxi-minimal)
        ("libdbusmenu-qt" ,libdbusmenu-qt)
        ("qca" ,qca)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("qtscript" ,qtscript)
        ("qtsvg" ,qtsvg)
diff --git a/gnu/packages/jami.scm b/gnu/packages/jami.scm
index 65453be..baef61b 100644
--- a/gnu/packages/jami.scm
+++ b/gnu/packages/jami.scm
@@ -475,7 +475,7 @@ protocols, as well as decentralized calling using P2P-DHT.")
      `(("libring" ,libring)
        ("network-manager" ,network-manager)))
     (propagated-inputs
-     `(("qtbase" ,qtbase)))     ; Qt is included in several installed headers.
+     `(("qtbase" ,qtbase-5)))     ; Qt is included in several installed 
headers.
     (arguments
      `(#:tests? #f                      ; There is no testsuite.
        #:configure-flags
diff --git a/gnu/packages/julia-jll.scm b/gnu/packages/julia-jll.scm
index edf53d1..0cf3515 100644
--- a/gnu/packages/julia-jll.scm
+++ b/gnu/packages/julia-jll.scm
@@ -1512,7 +1512,7 @@ build tree Yggdrasil.")
                ;; There's a Julia file for each platform, override them all
                (find-files "src/wrappers/" "\\.jl$")))))))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (propagated-inputs
      `(("julia-jllwrappers" ,julia-jllwrappers)
        ("julia-libglvnd-jll" ,julia-libglvnd-jll)
diff --git a/gnu/packages/kde-frameworks.scm b/gnu/packages/kde-frameworks.scm
index ef47a91..7a3b6b2 100644
--- a/gnu/packages/kde-frameworks.scm
+++ b/gnu/packages/kde-frameworks.scm
@@ -98,7 +98,7 @@
                 "10c5xs5shk0dcshpdxg564ay5y8hgmvfvmlhmhjf0dy79kcah3c3"))))
     (build-system cmake-build-system)
     (native-inputs
-     `(("qtbase" ,qtbase))) ; For tests (needs qmake)
+     `(("qtbase" ,qtbase-5))) ; For tests (needs qmake)
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -165,7 +165,7 @@ common build settings used in software produced by the KDE 
community.")
        ("pkg-config" ,pkg-config)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (arguments
      `(#:configure-flags
        '("-DCMAKE_CXX_FLAGS=-fPIC"
@@ -204,9 +204,9 @@ common build settings used in software produced by the KDE 
community.")
        ("pkg-config" ,pkg-config)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("gstreamer" ,gstreamer)
        ("gst-plugins-base" ,gst-plugins-base)
@@ -252,7 +252,7 @@ Phonon-GStreamer is a backend based on the GStreamer 
multimedia library.")
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Open Collaboration Service client library")
     (description "Attica is a Qt library that implements the Open
@@ -286,7 +286,7 @@ 
http://freedesktop.org/wiki/Specifications/open-collaboration-services/";)
        ("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
      ;; TODO: qtdeclarative (yields one failing test)
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (arguments
      `(#:configure-flags
        (list (string-append
@@ -319,7 +319,7 @@ Bluetooth stack.  It is used by the KDE Bluetooth stack, 
BlueDevil.")
        ("fdupes" ,fdupes)
        ("libxml2" ,libxml2)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Default KDE Plasma 5 icon theme")
     (description "Breeze provides a freedesktop.org compatible icon theme.
@@ -356,7 +356,7 @@ It is the default icon theme for the KDE Plasma 5 desktop.")
        ("python-jinja2" ,python-jinja2)
        ("python-pyyaml" ,python-pyyaml)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "KDE Doxygen Tools")
     (description "This framework contains scripts and data for building API
@@ -389,7 +389,7 @@ documentation.")
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
      `(("bzip2" ,bzip2)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("xz" ,xz)
        ("zlib" ,zlib)))
     (home-page "https://community.kde.org/Frameworks";)
@@ -425,7 +425,7 @@ GZip format, via a subclass of QIODevice.")
        ("tzdata" ,tzdata-for-tests)))
     (inputs
      `(("libical" ,libical)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -485,7 +485,7 @@ and the older vCalendar.")
        ("gperf" ,gperf)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "String encoding and manipulating library")
     (description "KCodecs provide a collection of methods to manipulate
@@ -523,7 +523,7 @@ Internet).")
        ("qttools" ,qttools)
        ("xorg-server" ,xorg-server-for-tests)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -588,7 +588,7 @@ propagate their changes to their respective configuration 
files.")
        ;; TODO: FAM: File alteration notification 
http://oss.sgi.com/projects/fam
        ("xorg-server" ,xorg-server-for-tests))) ; for the tests
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -644,7 +644,7 @@ many more.")
        ("dbus" ,dbus)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("kinit" ,kinit-bootstrap))) ;; kinit-bootstrap: kinit package which 
does not depend on kdbusaddons.
     (arguments
@@ -688,7 +688,7 @@ as well as an API to create KDED modules.")
        ("qttools" ,qttools)))
     (inputs
      `(("avahi" ,avahi) ; alternativly dnssd could be used
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Network service discovery using Zeroconf")
     (description "KDNSSD is a library for handling the DNS-based Service
@@ -711,7 +711,7 @@ infrastructure.")
                 "1h6pgg89gvxl8gw7wmkabyqqrzad5pxyv5lsmn1fl4ir8lcc5q2l"))))
     (build-system cmake-build-system)
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("boost" ,boost)
        ("graphviz" ,graphviz)
        ("kiconthemes" ,kiconthemes)
@@ -749,7 +749,7 @@ replace the other outdated Graphviz tools.")
      `(("extra-cmake-modules" ,extra-cmake-modules)
        ("pkg-config" ,pkg-config)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Utilities for graphical user interfaces")
@@ -784,7 +784,7 @@ interfaces in the areas of colors, fonts, text, images, 
keyboard input.")
      `(("extra-cmake-modules" ,extra-cmake-modules)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://invent.kde.org/frameworks/kholidays";)
     (synopsis "Library for regional holiday information")
@@ -812,7 +812,7 @@ other special events for a geographical region.")
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtscript" ,qtscript)))
     (arguments
@@ -854,7 +854,7 @@ translation scripting.")
        ("pkg-config" ,pkg-config)))
     (inputs
      `(("libxscrnsaver" ,libxscrnsaver) ; X-Screensaver based poller, fallback 
mode
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Reporting of idle time of user and system")
@@ -889,7 +889,7 @@ or user activity.")
        ;; TODO: Find a way to activate this optional include without
        ;; introducing a recursive dependency.
        ;;("plasma-frameworks" ,plasma-framework) ;; Tier 3!
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtquickcontrols2" ,qtquickcontrols2)
        ("qtsvg" ,qtsvg)
@@ -919,7 +919,7 @@ of applications that follow the Kirigami Human Interface 
Guidelines.")
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Set of item models extending the Qt model-view framework")
@@ -971,7 +971,7 @@ model to observers
      `(("extra-cmake-modules" ,extra-cmake-modules)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Set of item views extending the Qt model-view framework")
     (description "KItemViews includes a set of views, which can be used with
@@ -997,7 +997,7 @@ to flat and hierarchical lists.")
      `(("extra-cmake-modules" ,extra-cmake-modules)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Data plotting library")
     (description "KPlotWidget is a QWidget-derived class that provides a 
virtual
@@ -1028,7 +1028,7 @@ pixel units.")
        ;; Optional, for compile-time validation of syntax definition files:
        ("qtxmlpatterns" ,qtxmlpatterns)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -1074,7 +1074,7 @@ integration with a custom editor as well as a ready-to-use
      `(("extra-cmake-modules" ,extra-cmake-modules)
        ("pkg-config" ,pkg-config)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtwayland" ,qtwayland)
        ("wayland" ,wayland)
        ("wayland-protocols" ,wayland-protocols)))
@@ -1116,7 +1116,7 @@ represented by a QPoint or a QSize.")
        ("qttools" ,qttools)
        ("xorg-server" ,xorg-server-for-tests)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -1157,7 +1157,7 @@ configuration pages, message boxes, and password 
requests.")
        ("xorg-server" ,xorg-server-for-tests))) ; for the tests
     (inputs
      `(("libxrender" ,libxrender)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("xcb-utils-keysyms" ,xcb-util-keysyms)
        ("xcb-util-wm" ,xcb-util-wm)))
@@ -1219,7 +1219,7 @@ lower level classes for interaction with the X Windowing 
System.")
      ;; Headers contain #include <ModemManager/ModemManager.h>
      `(("modem-manager" ,modem-manager)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -1258,7 +1258,7 @@ messages.")
      ;;                 #include <libnm/NetworkManager.h>
      `(("network-manager" ,network-manager)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -1292,7 +1292,7 @@ which are used in DBus communication.")
      `(("extra-cmake-modules" ,extra-cmake-modules)
        ("fdupes" ,fdupes)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Oxygen provides the standard icon theme for the KDE desktop")
     (description "Oxygen icon theme for the KDE desktop")
@@ -1317,7 +1317,7 @@ which are used in DBus communication.")
     (inputs
      `(("libdmtx" ,libdmtx)
        ("qrencode" ,qrencode)
-       ("qtbase" ,qtbase))) ;; TODO: rethink: nix propagates this
+       ("qtbase" ,qtbase-5))) ;; TODO: rethink: nix propagates this
     (home-page "https://api.kde.org/frameworks/prison/html/index.html";)
     (synopsis "Barcode generation abstraction layer")
     (description "Prison is a Qt-based barcode abstraction layer/library and
@@ -1343,7 +1343,7 @@ provides uniform access to generation of barcodes with 
data.")
      `(("glib" ,glib)
        ("pulseaudio" ,pulseaudio)
        ("qtdeclarative" ,qtdeclarative)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/libraries/pulseaudio-qt/";)
     (synopsis "Qt bindings for PulseAudio")
     (description
@@ -1378,7 +1378,7 @@ libpulse.")
        ("kcoreaddons" ,kcoreaddons)
        ("kiconthemes" ,kiconthemes) ; optional
        ("kirigami" ,kirigami)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtquickcontrols2" ,qtquickcontrols2)))
     (home-page "https://community.kde.org/Frameworks";)
@@ -1417,7 +1417,7 @@ feel.")
        ("flex" ,flex)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("udev" ,eudev)))
     ;; TODO: Add runtime-only dependency MediaPlayerInfo
@@ -1449,7 +1449,7 @@ system.")
     (inputs
      `(("hunspell" ,hunspell)
        ;; TODO: hspell (for Hebrew), Voikko (for Finish)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Multi-language spell checker")
     (description "Sonnet is a plugin-based spell checking library for Qt-based
@@ -1474,7 +1474,7 @@ ASpell and HUNSPELL.")
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Helper for multithreaded programming")
     (description "ThreadWeaver is a helper for multithreaded programming.  It
@@ -1519,7 +1519,7 @@ uses a job-based interface to queue tasks and execute 
them in an efficient way."
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kwindowsystem" ,kwindowsystem)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("solid" ,solid)))
     (home-page "https://community.kde.org/Frameworks";)
@@ -1553,7 +1553,7 @@ with other frameworks.")
     (inputs
      `(("kcoreaddons" ,kcoreaddons)
        ("polkit-qt" ,polkit-qt)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -1599,7 +1599,7 @@ utilities.")
     (inputs
      `(("kconfig" ,kconfig)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Powerful autocompletion framework and widgets")
     (description "This framework helps implement autocompletion in Qt-based
@@ -1625,7 +1625,7 @@ integrated it into your application's other widgets.")
      `(("extra-cmake-modules" ,extra-cmake-modules)
        ("xorg-server" ,xorg-server))) ; for the tests
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (propagated-inputs
      `(;; As required by KF5ContactsConfig.cmake.
        ("kcodecs" ,kcodecs)
@@ -1672,7 +1672,7 @@ localized country name to ISO 3166-1 alpha 2 code mapping 
and vice verca.
     (inputs
      `(("kcoreaddons" ,kcoreaddons)
        ("kwindowsystem" ,kwindowsystem)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Graceful handling of application crashes")
@@ -1705,7 +1705,7 @@ application crashes.")
        ("libxslt" ,libxslt)
        ("perl" ,perl)
        ("perl-uri" ,perl-uri)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -1775,7 +1775,7 @@ from DocBook files.")
        ("kcoreaddons" ,kcoreaddons)
        ("ki18n" ,ki18n)
        ("qtmultimedia" ,qtmultimedia)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ;; Required run-time packages
        ("catdoc" ,catdoc)
        ;; Optional run-time packages
@@ -1811,7 +1811,7 @@ by applications to write metadata.")
     (inputs
      `(("karchive" ,karchive) ; for Krita and OpenRaster images
        ("openexr" ,openexr) ; for OpenEXR high dynamic-range images
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -1865,7 +1865,7 @@ formats.")
     (inputs
      `(("kcoreaddons" ,kcoreaddons)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Widgets for showing progress of asynchronous jobs")
@@ -1897,7 +1897,7 @@ asynchronous jobs.")
        ("kcoreaddons" ,kcoreaddons)
        ("kwindowsystem" ,kwindowsystem)
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtspeech" ,qtspeech)
        ;; TODO: Think about adding dbusmenu-qt5 from
        ;; https://launchpad.net/libdbusmenu-qt
@@ -1945,7 +1945,7 @@ covers feedback and persistent events.")
        ("kcoreaddons" ,kcoreaddons)
        ("kdoctools" ,kdoctools)
        ("ki18n" ,ki18n)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -2001,7 +2001,7 @@ were traditional plugins.")
      `(("kcoreaddons" ,kcoreaddons)
        ("ki18n" ,ki18n)
        ;; TODO: utempter, for managing UTMP entries
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:tests? #f ; FIXME: 1/1 tests fail.
        #:phases
@@ -2046,7 +2046,7 @@ and communicating with them using a pty.")
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
      `(("ki18n" ,ki18n)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Converting physical units")
     (description "KUnitConversion provides functions to convert values in
@@ -2073,7 +2073,7 @@ gallons).")
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
      `(("kcodecs" ,kcodecs)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "RSS/Atom parser library")
     (description "@code{syndication} supports RSS (0.9/1.0, 0.91..2.0) and
@@ -2123,7 +2123,7 @@ between feed formats.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("lmdb" ,lmdb)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("solid" ,solid)))
     (arguments
@@ -2182,7 +2182,7 @@ maintaining an index of the contents of your files.")
      `(("boost" ,boost)
        ("kactivities" ,kactivities)
        ("kconfig" ,kconfig)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Access usage statistics collected by the activity manager")
@@ -2219,7 +2219,7 @@ by which applications, and what documents have been 
linked to which activity.")
        ("kcoreaddons" ,kcoreaddons)
        ("kiconthemes" ,kiconthemes)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -2281,7 +2281,7 @@ using the XBEL format.")
        ("kpackage" ,kpackage)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Utilities for KDE System Settings modules")
@@ -2316,7 +2316,7 @@ KCModules can be created with the KConfigWidgets 
framework.")
        ("kguiaddons" ,kguiaddons)
        ("ki18n" ,ki18n)
        ;; todo: PythonModuleGeneration
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qttools" ,qttools)))
     (arguments
      `(#:phases
@@ -2376,7 +2376,7 @@ their settings.")
        ("kwindowsystem" ,kwindowsystem)
        ("kxmlgui" ,kxmlgui)
        ("libepoxy" ,libepoxy)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("solid" ,solid)))
     (arguments
@@ -2423,7 +2423,7 @@ that offer bindings to some of the Frameworks.")
        ("kdoctools" ,kdoctools)
        ("kinit" ,kinit)
        ("kservice" ,kservice)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Central daemon of KDE work spaces")
     (description "KDED stands for KDE Daemon.  KDED runs in the background and
@@ -2453,7 +2453,7 @@ started on demand.")
      `(("kconfig" ,kconfig)
        ("kcoreaddons" ,kcoreaddons)
        ("kdoctools" ,kdoctools)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ;; optional:
        ("kcompletion" ,kcompletion)
        ("kconfigwidgets" ,kconfigwidgets)
@@ -2498,7 +2498,7 @@ ini-style description files.")
        ("kcoreaddons" ,kcoreaddons)
        ("ki18n" ,ki18n)
        ("kservice" ,kservice)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "User interface for running shell commands with root privileges")
     (description "KDESU provides functionality for building GUI front ends for
@@ -2531,7 +2531,7 @@ with su and ssh respectively.")
        ("kparts" ,kparts)
        ("kservice" ,kservice)
        ("kwallet" ,kwallet)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtwebkit" ,qtwebkit)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "KDE Integration for QtWebKit")
@@ -2561,7 +2561,7 @@ engine WebKit via QtWebKit.")
      `(("karchive" ,karchive)
        ("kconfig" ,kconfig)
        ("kcoreaddons" ,kcoreaddons)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -2605,7 +2605,7 @@ emoticons coming from different providers.")
        ("kservice" ,kservice)
        ("kwindowsystem" ,kwindowsystem)
        ("libxcb" ,libxcb)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("xcb-util-keysyms" ,xcb-util-keysyms)))
     (home-page "https://community.kde.org/Frameworks";)
@@ -2643,7 +2643,7 @@ window does not need focus for them to be activated.")
        ("ki18n" ,ki18n)
        ("kitemviews" ,kitemviews)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (arguments
      `(#:phases
@@ -2721,7 +2721,7 @@ in applications using the KDE Frameworks.")
        ("kxmlgui" ,kxmlgui)
        ("libcap" ,libcap) ; to install start_kdeinit with CAP_SYS_RESOURCE
        ("plasma-framework" ,plasma-framework)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("solid" ,solid)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Library to speed up start of applications on KDE workspaces")
@@ -2781,7 +2781,7 @@ consumption.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("libxml2" ,libxml2)
        ("libxslt" ,libxslt)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtscript" ,qtscript)
        ("qtx11extras" ,qtx11extras)
        ("sonnet" ,sonnet)))
@@ -2863,7 +2863,7 @@ KIO enabled infrastructure.")
        ("kjobwidgets" ,kjobwidgets)
        ("ktextwidgets" ,ktextwidgets)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("solid" ,solid)
        ("sonnet" ,sonnet)))
@@ -2916,7 +2916,7 @@ specification.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("solid" ,solid)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Configuration dialog for desktop notifications")
@@ -2970,7 +2970,7 @@ notifications which can be embedded in your application.")
        ("kjobwidgets" ,kjobwidgets)
        ("kservice" ,kservice)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("solid" ,solid)
        ("sonnet" ,sonnet)))
     (home-page "https://community.kde.org/Frameworks";)
@@ -3002,7 +3002,7 @@ widgets with a user-interface defined in terms of 
actions.")
        ("ki18n" ,ki18n)
        ("kservice" ,kservice)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (arguments
      `(#:tests? #f)) ; FIXME: 1/3 tests fail.
@@ -3053,7 +3053,7 @@ to easily extend the contacts collection.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kwindowsystem" ,kwindowsystem)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("solid" ,solid)
        ("threadweaver" ,threadweaver)))
@@ -3117,7 +3117,7 @@ typed.")
        ("kdbusaddons" ,kdbusaddons)
        ("kdoctools" ,kdoctools)
        ("ki18n" ,ki18n)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:tests? #f ; FIXME: 6/10 tests fail.
        #:phases
@@ -3192,7 +3192,7 @@ types or handled by application specific code.")
        ("kxmlgui" ,kxmlgui)
        ("libgit2" ,libgit2)
        ("perl" ,perl)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtscript" ,qtscript)
        ("qtxmlpatterns" ,qtxmlpatterns)
@@ -3262,7 +3262,7 @@ library.")
        ("kservice" ,kservice)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kwindowsystem" ,kwindowsystem)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtspeech" ,qtspeech)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Text editing widgets")
@@ -3305,7 +3305,7 @@ It supports rich text as well as plain text.")
        ("libgcrypt" ,libgcrypt)
        ("phonon" ,phonon)
        ("qgpgme" ,qgpgme)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "Safe desktop-wide storage for passwords")
     (description "This framework contains an interface to KWallet, a safe
@@ -3345,7 +3345,7 @@ the passwords on KDE work spaces.")
        ("ktextwidgets" ,ktextwidgets)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kwindowsystem" ,kwindowsystem)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("sonnet" ,sonnet)))
     (arguments
      `(#:tests? #f ; FIXME: 1/5 tests fail.
@@ -3398,7 +3398,7 @@ descriptions for integrating actions from plugins.")
        ("kservice" ,kservice)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("solid" ,solid)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "XML-RPC client")
@@ -3457,7 +3457,7 @@ setUrl, setUserAgent and call.")
        ("kwindowsystem" ,kwindowsystem)
        ("kxmlgui" ,kxmlgui)
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtquickcontrols2" ,qtquickcontrols2)
        ("qtsvg" ,qtsvg)
@@ -3504,7 +3504,7 @@ script engines.")
        ("ki18n" ,ki18n)
        ("kio" ,kio)
        ("kirigami" ,kirigami)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (arguments
      `(#:tests? #f  ;; seem to require network; don't find QTQuick components
@@ -3582,7 +3582,7 @@ need.")
        ("knotificantions" ,knotifications)
        ("kpackage" ,kpackage)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (arguments
      `(#:phases
@@ -3656,7 +3656,7 @@ workspace.")
        ("ktextwidgets" ,ktextwidgets)
        ("kunitconversion" ,kunitconversion)
        ("kwindowsystem" ,kwindowsystem)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (inputs
      `(("kcompletion" ,kcompletion)
        ("kconfig" ,kconfig)
@@ -3764,7 +3764,7 @@ http://community.kde.org/Frameworks/Porting_Notes should 
help with this.")
        ("libpng" ,libpng)
        ("openssl" ,openssl)
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("sonnet" ,sonnet)))
     (home-page "https://community.kde.org/Frameworks";)
@@ -3798,7 +3798,7 @@ technology and using KJS for JavaScript support.")
        ("pkg-config" ,pkg-config)))
     (inputs
      `(("pcre" ,pcre)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "KDE Frameworks 5 support for Javascript scripting in Qt
 applications")
@@ -3831,7 +3831,7 @@ support.")
     (inputs
      `(("ki18n" ,ki18n)
        ("kjs" ,kjs)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "KDE Frameworks 5 embedded Javascript engine for Qt")
@@ -3866,7 +3866,7 @@ QObjects, so you can script your applications.")
        ("kparts" ,kparts)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "KDE Frameworks 5 plugin interface for media player features")
     (description "KMediaPlayer builds on the KParts framework to provide a
@@ -3903,7 +3903,7 @@ KParts instead.")
        ("kparts" ,kparts)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtscript" ,qtscript)))
     (home-page "https://community.kde.org/Frameworks";)
     (synopsis "KDE Frameworks 5 solution for application scripting")
diff --git a/gnu/packages/kde-internet.scm b/gnu/packages/kde-internet.scm
index 6179370..223e1aa 100644
--- a/gnu/packages/kde-internet.scm
+++ b/gnu/packages/kde-internet.scm
@@ -90,7 +90,7 @@
        ("purpose" ,purpose)
        ("qca" ,qca)
        ("qoauth" ,qoauth)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtnetworkauth" ,qtnetworkauth)
        ("qtwebkit" ,qtwebkit)
        ("sonnet" ,sonnet)))
@@ -162,7 +162,7 @@ Other notable features include:
        ("oxygen-icons" ,oxygen-icons) ; default icon set
        ("qca" ,qca)
        ("qgpgme" ,qgpgme)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ))
     (home-page "http://www.kde.org/";)
     (synopsis "Versatile and user-friendly download manager")
@@ -213,7 +213,7 @@ This package is part of the KDE networking module.")
        ("kwindowsystem" ,kwindowsystem)
        ("oxygen-icons" ,oxygen-icons) ; default icon set
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qca" ,qca)
        ("solid" ,solid)
        ("sonnet" ,sonnet)))
@@ -302,7 +302,7 @@ Features are:
        ("phonon" ,phonon)
        ("qca" ,qca)
        ("qgpgme" ,qgpgme)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("speex" ,speex)
        ("v4l-utils" ,v4l-utils)
        ;; TODO: Xmms
@@ -358,7 +358,7 @@ This package is part of the KDE networking module.")
        ("libssh2" ,libssh)
        ;; TODO: libvnc{server,client} - is not tigervnc-{server,client}
        ("oxygen-icons" ,oxygen-icons) ; default icon set
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/internet/org.kde.krdc";)
     (synopsis "Remote desktop client")
     (description "KRDC is a client application that allows you to view or even
@@ -412,7 +412,7 @@ This package is part of the KDE networking module.")
        ;; TODO: LibKWorkspace -> plasma-workspace?
        ("oxygen-icons" ,oxygen-icons) ; default icon set
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtscript" ,qtscript)
        ("qtwebkit" ,qtwebkit)
        ("solid" ,solid)
@@ -447,7 +447,7 @@ a full-featured client for BitTorrent.")
        ("kpimcommon" ,kpimcommon)
        ("ktextwidgets" ,ktextwidgets)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:tests? #f)) ;; 2/7 tests fail (due to network issues?)
     (home-page "https://invent.kde.org/pim/libgravatar";)
@@ -482,7 +482,7 @@ unnecessary network operations.")
        ("kio" ,kio)
        ("libgcrypt" ,libgcrypt)
        ("qca" ,qca)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("solid" ,solid)))
     (home-page "https://invent.kde.org/network/libktorrent";)
     (synopsis "BitTorrent protocol library for C++ / Qt 5 / KDE Frameworks")
diff --git a/gnu/packages/kde-multimedia.scm b/gnu/packages/kde-multimedia.scm
index 3505836..21ca996 100644
--- a/gnu/packages/kde-multimedia.scm
+++ b/gnu/packages/kde-multimedia.scm
@@ -71,7 +71,7 @@
        ("libkcompactdisc" ,libkcompactdisc)
        ("libvorbis" ,libvorbis)
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/multimedia/org.kde.kio_audiocd";)
     (synopsis "Transparent audio CD integration for applications using the KDE
 Platform")
@@ -117,7 +117,7 @@ This package is part of the KDE multimedia module.")
        ("oxygen-icons" ,oxygen-icons) ; default icon set
        ("phonon" ,phonon)
        ("phonon-backend-gstreamer" ,phonon-backend-gstreamer)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("solid" ,solid)))
     (home-page "https://kde.org/applications/multimedia/org.kde.dragonplayer";)
     (synopsis "Simple video player")
@@ -169,7 +169,7 @@ This package is part of the KDE multimedia module.")
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ; default icon set
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtgraphicaleffects" ,qtgraphicaleffects) ; not listed as dependency
        ("qtmultimedia" ,qtmultimedia)
@@ -226,7 +226,7 @@ its own database.  You can build and play your own 
playlist.")
        ("kconfig" ,kconfig)
        ("ki18n" ,ki18n)
        ("kio" ,kio)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/multimedia/org.kde.ffmpegthumbs";)
     (synopsis "Video thumbnail generator for KDE using ffmpeg")
     (description "
@@ -272,7 +272,7 @@ This package is part of the KDE multimedia module.")
        ("oxygen-icons" ,oxygen-icons) ; default icon set
        ("phonon" ,phonon)
        ("phonon-backend-gstreamer" ,phonon-backend-gstreamer)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("taglib" ,taglib)))
     (home-page "https://kde.org/applications/multimedia/org.kde.juk";)
@@ -368,7 +368,7 @@ This package is part of the KDE multimedia module.")
        ("libsndfile" ,libsndfile)
        ("libvorbis" ,libvorbis)
        ("oxygen-icons" ,oxygen-icons) ; default icon set
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtwebkit" ,qtwebkit)
        ("shared-mime-info" ,shared-mime-info)
        ("solid" ,solid)
@@ -414,7 +414,7 @@ available CD drives.")
        ("kxmlgui" ,kxmlgui)
        ("libxscrnsaver" ,libxscrnsaver)
        ("oxygen-icons" ,oxygen-icons) ; default icon set
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("solid" ,solid)
        ("v4l-utils" ,v4l-utils) ; libdvbv5
@@ -468,7 +468,7 @@ autoloading of subtitle files for use while playing video.")
        ("kparts" ,kparts)
        ("oxygen-icons" ,oxygen-icons) ; default icon set
        ("purpose" ,purpose)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtgraphicaleffects" ,qtgraphicaleffects)
        ("qtquickcontrols" ,qtquickcontrols)
@@ -523,7 +523,7 @@ camera.  Use it to take pictures and make videos to share.")
        ("oxygen-icons" ,oxygen-icons) ; default icon set
        ("plasma-framework" ,plasma-framework)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("solid" ,solid)))
     (home-page "https://kde.org/applications/multimedia/org.kde.kmix";)
     (synopsis "Volume control and mixer")
@@ -566,7 +566,7 @@ This package is part of the KDE multimedia module.")
        ("libxcb" ,libxcb) ;; FIXME: why does cmake not find XEVIE and XPRINT?
        ("oxygen-icons" ,oxygen-icons) ; default icon set
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("cairo" ,cairo)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)
@@ -642,7 +642,7 @@ Some features:
        ("opus" ,opus)
        ("oxygen-icons" ,oxygen-icons) ; default icon set
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("zlib" ,zlib)))
     (home-page "https://kde.org/applications/multimedia/org.kde.kwave";)
@@ -699,7 +699,7 @@ Its features include:
        ("kio" ,kio)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("libmusicbrainz" ,libmusicbrainz)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:tests? #f)) ; Most tests require network
     (home-page "https://invent.kde.org/multimedia/libkcddb";)
@@ -727,7 +727,7 @@ Its features include:
        ("kcoreaddons" ,kcoreaddons)
        ("ki18n" ,ki18n)
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("solid" ,solid)))
     (home-page "https://invent.kde.org/multimedia/libkcompactdisc";)
     (synopsis "KDE library for playing & ripping CDs")
diff --git a/gnu/packages/kde-pim.scm b/gnu/packages/kde-pim.scm
index 74e8bdb..db73941 100644
--- a/gnu/packages/kde-pim.scm
+++ b/gnu/packages/kde-pim.scm
@@ -79,7 +79,7 @@
        ;; Do NOT add mysql or postgresql to the inputs. Otherwise the binaries
        ;; and wrapped files will refer to them, even if the user choices none
        ;; of these.  Executables are searched on $PATH then.
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("sqlite" ,sqlite)))
     (arguments
      `(#:tests? #f ;; TODO 135/167 tests fail
@@ -151,7 +151,7 @@ programs.")
        ("ksmtp" ,ksmtp)
        ("ktextwidgets" ,ktextwidgets)
        ("kwallet" ,kwallet)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:tests? #f))  ;; TODO: 1/1 test fails
     (home-page "https://api.kde.org/kdepim/akonadi/html/index.html";)
@@ -196,7 +196,7 @@ collection and item views.")
        ("kxmlgui" ,kxmlgui)
        ("prison" ,prison)
        ("kio" ,kio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("solid" ,solid)
        ("sonnet" ,sonnet)))
     (home-page "https://api.kde.org/kdepim/akonadi/html/index.html";)
@@ -240,7 +240,7 @@ to list and filter contacts.")
        ("kmime" ,kmime)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://api.kde.org/kdepim/akonadi/html/index.html";)
     (arguments
      `(#:phases
@@ -283,7 +283,7 @@ with emails through Akonadi easier.")
        ("kcodecs" ,kcodecs)
        ("ki18n" ,ki18n)
        ("kmime" ,kmime)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://api.kde.org/kdepim/akonadi/html/index.html";)
     (synopsis "Akonadi notes access library")
     (description "Akonadi Notes is a library that effectively bridges the
@@ -325,7 +325,7 @@ wrapping notes into KMime::Message objects.")
        ("kmime" ,kmime)
        ("krunner" ,krunner)
        ("kwindowsystem" ,kwindowsystem)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("xapian" ,xapian)))
     (arguments
      `(#:phases (modify-phases %standard-phases
@@ -390,7 +390,7 @@ Akonadi PIM data server.  It uses Xapian for indexing and 
querying.")
        ("ktextwidgets" ,ktextwidgets)
        ("kwallat" ,kwallet)
        ("libkdepim" ,libkdepim)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/pim/incidenceeditor";)
     (synopsis "KDE PIM library for editing incidences")
     (description "This library provides an incidence editor for KDE PIM.")
@@ -445,7 +445,7 @@ Akonadi PIM data server.  It uses Xapian for indexing and 
querying.")
        ("oxygen-icons" ,oxygen-icons) ; default icon set, required for tests
        ("prison" ,prison)
        ("qgpgme" ,qgpgme)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kontact.kde.org/components/kaddressbook.html";)
     (synopsis "Address Book application to manage your contacts")
     (description "KAddressBook stores all the personal details of your family,
@@ -486,7 +486,7 @@ CalDAV server.")
        ("kpimtextedit" ,kpimtextedit)
        ("ktextwidgets" ,ktextwidgets)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:tests? #f)) ;; TODO: TZ setup
     (home-page "https://api.kde.org/stable/kdepimlibs-apidocs/";)
@@ -515,7 +515,7 @@ calendar data.")
        ("ki18n" ,ki18n)
        ("kio" ,kio)
        ("kxmlrpcclient" ,kxmlrpcclient)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("syndication" ,syndication)))
     ;; Note: Some tests take up to 90 sec.
     (home-page "https://invent.kde.org/pim/kblog";)
@@ -567,7 +567,7 @@ one of the APIs mentioned above.")
        ("kpimtextedit" ,kpimtextedit)
        ("ktextwidgets" ,ktextwidgets)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://api.kde.org/stable/calendarsupport/";)
     (synopsis "Calendar Support library for KDE PIM")
     (description "The Calendar Support library provides helper utilities for
@@ -604,7 +604,7 @@ calendaring applications.")
        ("ktextwidgets" ,ktextwidgets)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("oxygen-icons" ,oxygen-icons) ; default icon set, required for tests
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:tests? #f)) ;; TODO: seem to pull in some wrong theme
     (home-page "https://api.kde.org/stable/kdepimlibs-apidocs/";)
@@ -632,7 +632,7 @@ functions for accessing calendar data using the kcalcore 
API.")
      `(("kcoreaddons" ,kcoreaddons)
        ("ki18n" ,ki18n)
        ("kio" ,kio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtxmlpatterns" ,qtxmlpatterns)))
     (home-page "https://invent.kde.org/frameworks/kdav";)
     (synopsis "DAV protocol implementation with KJobs")
@@ -678,7 +678,7 @@ supported using GroupDAV or CardDAV.")
        ("libkleo" ,libkleo)
        ("prison" ,prison)
        ("qgpgme" ,qgpgme)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/pim/kdepim-apps-libs";)
     (synopsis "KDE PIM mail related libraries and data files")
     (description "This package provides mail related libraries and data files
@@ -739,7 +739,7 @@ for KDE PIM.")
        ("libkgapi" ,libkgapi)
        ;; TODO: libkolab
        ("qca" ,qca)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtnetworkauth" ,qtnetworkauth)
        ("qtspeech" ,qtspeech)
@@ -815,7 +815,7 @@ package.")
        ("ktextwidgets" ,ktextwidgets)
        ("kxmlgui" ,kxmlgui)
        ("libkdepim" ,libkdepim)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/pim/eventviews";)
     (synopsis "KDE PIM library for creating events")
     (description "This library provides an event creator for KDE PIM.")
@@ -861,7 +861,7 @@ package.")
        ("kwindowsystem" ,kwindowsystem)
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/utilities/org.kde.kgpg";)
     (synopsis "Graphical front end for GNU Privacy Guard")
     (description "Kgpg manages cryptographic keys for the GNU Privacy Guard,
@@ -895,7 +895,7 @@ cryptography to the contents of the clipboard.")
        ("kpimtextedit" ,kpimtextedit)
        ("ktextwidgets" ,ktextwidgets)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -929,7 +929,7 @@ cryptography to the contents of the clipboard.")
        ("ki18n" ,ki18n)
        ("kio" ,kio)
        ("kmime" ,kmime)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://api.kde.org/stable/kdepimlibs-apidocs/";)
     (synopsis "Library for handling IMAP")
     (description "This library provides a job-based API for interacting with
@@ -959,7 +959,7 @@ easier to do so.")
      `(("ki18n" ,ki18n)
        ("kio" ,kio)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (propagated-inputs
      `(("cyrus-sasl" ,cyrus-sasl)
        ("openldap" ,openldap)))
@@ -1010,7 +1010,7 @@ protocol for querying and modifying directory services 
running over TCP/IP. ")
        ("libkleo" ,libkleo)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
        ("qgpgme" ,qgpgme)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -1096,7 +1096,7 @@ and retrieving certificates from LDAP servers.")
        ("libksieve" ,libksieve)
        ("oxygen-icons" ,oxygen-icons) ; default icon set, required for tests
        ("qgpgme" ,qgpgme)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtwebchannel" ,qtwebchannel)
        ("qtwebengine" ,qtwebengine)
@@ -1177,7 +1177,7 @@ manager from KDE.")
        ("libxslt" ,libxslt)
        ("phonon" ,phonon)
        ("qgpgme" ,qgpgme)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:tests? #f))  ;; TODO: 4/56 tests fail, even with "offscreen" and dbus
     (home-page "https://invent.kde.org/pim/mailcommon";)
@@ -1218,7 +1218,7 @@ dealing with email.")
        ("kmime" ,kmime)
        ("kxmlgui" ,kxmlgui)
        ("libkdepim" ,libkdepim)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/pim/mailimporter";)
     (synopsis "KDE mail importer library")
     (description "This package provides libraries for importing mails other
@@ -1259,7 +1259,7 @@ e-mail client programs into KMail and KDE PIM.")
        ("ktextwidgets" ,ktextwidgets)
        ("kwallet" ,kwallet)
        ("libkgapi" ,libkgapi)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:tests? #f)) ;; TODO - 3/3 tests fail, require drkonqi
     (home-page "https://api.kde.org/stable/kdepimlibs-apidocs/";)
@@ -1285,7 +1285,7 @@ mail transport.")
     (inputs
      `(("kcodecs" ,kcodecs)
        ("kmime" ,kmime)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://api.kde.org/stable/kdepimlibs-apidocs/";)
     (synopsis "Library for handling mbox mailboxes")
     (description "This is a library for handling mailboxes in mbox format,
@@ -1355,7 +1355,7 @@ using a Qt/KMime C++ API.")
        ("libkleo" ,libkleo)
        ("qca" ,qca)
        ("qgpgme" ,qgpgme)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtwebchannel" ,qtwebchannel)
        ("qtwebengine" ,qtwebengine)
@@ -1398,7 +1398,7 @@ kwebengineviewer.")
     (inputs
      `(("kcodecs" ,kcodecs)
        ("ki18n" ,ki18n)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -1475,7 +1475,7 @@ information in non-ASCII character sets.")
        ("kxmlgui" ,kxmlgui)
        ("libkdepim" ,libkdepim)
        ("oxygen-icons" ,oxygen-icons) ; default icon set, required for tests
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (home-page "https://kontact.kde.org/components/knotes.html";)
     (synopsis "Note-taking utility")
@@ -1513,7 +1513,7 @@ Features:
        ("kparts" ,kparts)
        ("kwindowsystem" ,kwindowsystem)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://api.kde.org/stable/kdepimlibs-apidocs/";)
     (synopsis "Kontact interface library")
     (description " This library provides the glue necessary for
@@ -1584,7 +1584,7 @@ application \"Parts\" to be embedded as a Kontact 
component (or plugin).")
        ("libkdepim" ,libkdepim)
        ("oxygen-icons" ,oxygen-icons) ; default icon set, required for tests
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -1639,7 +1639,7 @@ and exchanging calendar data, vCalendar and iCalendar.")
     (inputs
      `(("kcontacts" ,kcontacts)
        ("kpeople" ,kpeople)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/pim/kpeoplevcard";)
     (synopsis "Expose vCard contacts to KPeople")
     (description
@@ -1697,7 +1697,7 @@ Virtual Contact File}) files to the KPeople contact 
management library.")
        ("libkdepim" ,libkdepim)
        ("libxslt" ,libxslt)
        ("purpose" ,purpose)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtwebengine" ,qtwebengine)))
     (arguments
      `(#:tests? #f)) ;; TODO tests hang
@@ -1736,7 +1736,7 @@ Virtual Contact File}) files to the KPeople contact 
management library.")
        ("ktextwidgets" ,ktextwidgets)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtspeech" ,qtspeech)
        ("sonnet" ,sonnet)))
     (arguments
@@ -1770,7 +1770,7 @@ text in the text edit to all kinds of markup, like HTML 
or BBCODE.")
        ("kcoreaddons" ,kcoreaddons)
        ("ki18n" ,ki18n)
        ("kio" ,kio)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:tests? #f ;; TODO: does not find sasl mechs
        #:phases
@@ -1811,7 +1811,7 @@ standard protocols for e-mail transmission.")
        ("kcontacts" ,kcontacts)
        ("kcoreaddons" ,kcoreaddons)
        ("ki18n" ,ki18n)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://api.kde.org/stable/kdepimlibs-apidocs/ktnef/html/";)
     (synopsis "Library for handling mail attachments using TNEF format")
     (description "Ktnef is a library for handling data in the TNEF
@@ -1862,7 +1862,7 @@ and allows one to view/extract message formatted text in 
Rich Text Format.")
        ("kmime" ,kmime)
        ("kwallet" ,kwallet)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/pim/libkdepim";)
     (synopsis "Libraries for common KDE PIM apps")
     (description "This package provided libraries for common KDE PIM apps.")
@@ -1892,7 +1892,7 @@ and allows one to view/extract message formatted text in 
Rich Text Format.")
        ("kio" ,kio)
        ("kwallet" ,kwallet)
        ("kwindowsystem" ,kwindowsystem)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtwebchannel" ,qtwebchannel)
        ("qtwebengine" ,qtwebengine)))
@@ -1935,7 +1935,7 @@ various Google services.")
        ("kwindowsystem" ,kwindowsystem)
        ("kpimtextedit" ,kpimtextedit)
        ("qgpgme" ,qgpgme)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/pim/libkleo";)
     (synopsis "KDE PIM cryptographic library")
     (description "@code{libkleo} is a library for Kleopatra and other parts of
@@ -1978,7 +1978,7 @@ KDE using certificate-based crypto.")
        ("kwallet" ,kwallet)
        ("kwindowsystem" ,kwindowsystem)
        ("libkdepim" ,libkdepim)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtwebchannel" ,qtwebchannel)
        ("qtwebengine" ,qtwebengine)))
diff --git a/gnu/packages/kde-plasma.scm b/gnu/packages/kde-plasma.scm
index c64d8ae..b7a2b14 100644
--- a/gnu/packages/kde-plasma.scm
+++ b/gnu/packages/kde-plasma.scm
@@ -74,7 +74,7 @@
        ("kpackage" ,kpackage)
        ("kwayland" ,kwayland) ; optional
        ("kwindowsystem" ,kwindowsystem)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative) ; optional
        ("qtx11extras" ,qtx11extras)))
     (home-page "https://invent.kde.org/plasma/breeze";)
@@ -99,7 +99,7 @@ the Plasma Desktop.  Breeze is the default theme for the KDE 
Plasma desktop.")
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
      `(("ki18n" ,ki18n)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/plasma/kdecoration";)
     (synopsis "Plugin based library to create window decorations")
     (description "KDecoration is a library to create window decorations.
@@ -127,7 +127,7 @@ manager which re-parents a Client window to a window 
decoration frame.")
        ("ki18n" ,ki18n)
        ("kwallet" ,kwallet)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/plasma/ksshaskpass";)
     (synopsis "Front-end for ssh-add using kwallet")
     (description "Ksshaskpass is a front-end for @code{ssh-add} which stores 
the
@@ -190,7 +190,7 @@ call it if it is not associated to a terminal.")
        ("libxi" ,libxi)           ;XInput, required for grabbing XInput2 
devices
        ("linux-pam" ,linux-pam)
        ("logind" ,elogind)        ;optional loginctl support
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtx11extras" ,qtx11extras)
        ("solid" ,solid)
@@ -221,7 +221,7 @@ call it if it is not associated to a terminal.")
     (inputs
      `(("kwayland" ,kwayland)
        ("libxrandr" ,libxrandr)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (arguments
      '(#:tests? #f)) ; FIXME: 55% tests passed, 5 tests failed out of 11
@@ -261,7 +261,7 @@ basic needs and easy to configure for those who want 
special setups.")
        ("knewstuff" ,knewstuff)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kservice" ,kservice)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtscript" ,qtscript)
        ("qtwebkit" ,qtwebkit)
diff --git a/gnu/packages/kde-systemtools.scm b/gnu/packages/kde-systemtools.scm
index b9c3865..86f169e 100644
--- a/gnu/packages/kde-systemtools.scm
+++ b/gnu/packages/kde-systemtools.scm
@@ -75,7 +75,7 @@
        ("kwindowsystem" ,kwindowsystem)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
        ("phonon" ,phonon)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("solid" ,solid)))
     (arguments
      `(#:tests? #f)) ;; TODO: 4/15 tests fail even with offscreen
@@ -116,7 +116,7 @@ The main features of Dolphin are:
        ("ktexteditor" ,ktexteditor)
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "http://www.kde.org/";)
     (synopsis "VCS-Plugins for Dolphin")
     (description "This package contains plugins that offer integration in
@@ -156,7 +156,7 @@ Dolphin with the version control systems: Bzr, Git, 
Mercurial, Subversion.")
        ("kwindowsystem" ,kwindowsystem)
        ("libxml2" ,libxml2)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("xapian" ,xapian)))
     (arguments
      `(#:tests? #f)) ;; 1/1 test fails
@@ -213,7 +213,7 @@ document meta data file.")
        ("kwindowsystem" ,kwindowsystem)
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtscript" ,qtscript)))
     (arguments
      `(#:tests? #f)) ;; TODO: 2/15 tests fail even with HOME, offscreen, 
SHELL, debus
@@ -262,7 +262,7 @@ This package is part of the KDE base applications module.")
        ("libxtst" ,libxtst)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
        ("pipewire" ,pipewire)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("xcb-util-image" ,xcb-util-image)
        ("zlib" ,zlib)))
@@ -309,7 +309,7 @@ This package is part of the KDE networking module.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/system/org.kde.ksystemlog";)
     (synopsis "System log viewer")
     (description "This program is developed for being used by beginner users,
@@ -353,7 +353,7 @@ This package is part of the KDE administration module.")
        ("kwayland" ,kwayland)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kwindowsystem" ,kwindowsystem)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)))
     (home-page "https://www.kde.org/applications/system/yakuake/";)
diff --git a/gnu/packages/kde-utils.scm b/gnu/packages/kde-utils.scm
index e67c603..40267c6 100644
--- a/gnu/packages/kde-utils.scm
+++ b/gnu/packages/kde-utils.scm
@@ -68,7 +68,7 @@
        ("kwindowsystem" ,kwindowsystem)
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtscript" ,qtscript)))
     (arguments
      `(#:tests? #f ;; 2/7 tests fail
@@ -121,7 +121,7 @@ Kate's features include:
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
        ;; TODO: QAccessibilityClient - libqaccessibilityclien
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/utilities/org.kde.kmag";)
     (synopsis "Screen magnifier tool")
     (description "You can use KMagnifier to magnify a part of the screen just
@@ -160,7 +160,7 @@ artists to web-designers to people with low vision.")
        ("libxt" ,libxt)
        ("phonon" ,phonon)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/utilities/org.kde.kmousetool";)
     (synopsis "Automatic mouse click and mouse manipulation tool for the
 disabled")
@@ -196,7 +196,7 @@ whom pressing buttons hurts.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtspeech" ,qtspeech)))
     (home-page "https://kde.org/applications/utilities/org.kde.kmouth";)
     (synopsis "Type-and-say frontend for speech synthesizers")
@@ -235,7 +235,7 @@ sentences to be re-spoken.")
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/utilities/org.kde.kronometer";)
     (synopsis "Simple stopwatch application")
     (description "Kronometer is a stopwatch application.  It features the
@@ -279,7 +279,7 @@ to save the times and resume them later.")
        ("kwindowsystem" ,kwindowsystem)
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("solid" ,solid)
        ("zlib" ,zlib)))
     (home-page "https://www.krusader.org";)
@@ -318,7 +318,7 @@ great on your desktop.")
     (inputs
      `(("ktexteditor" ,ktexteditor)
        ("imagemagick" ,imagemagick)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (home-page "https://kde.org/applications/en/graphics/org.kde.kxstitch";)
     (synopsis "Create and print cross stitch patterns")
@@ -363,7 +363,7 @@ either be created or generated from a image.")
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
        ("qca" ,qca)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtscript" ,qtscript)))
     (arguments
      `(#:phases
@@ -421,7 +421,7 @@ redone.")
        ("kwindowsystem" ,kwindowsystem)
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/utilities/org.kde.rsibreak";)
     (synopsis "Assists in the Recovery and Prevention of Repetitive Strain
 Injury")
@@ -468,7 +468,7 @@ remind you to take a break now and then.")
        ("libsmbclient" ,samba)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
        ("plasma-framework" ,plasma-framework)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("solid" ,solid)))
     (home-page "https://kde.org/applications/utilities/org.kde.smb4k";)
@@ -530,7 +530,7 @@ Features:
        ("ktextwidgets" ,ktextwidgets)
        ("kxmlgui" ,kxmlgui)
        ("oxygen-icons" ,oxygen-icons) ;; default icon set
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/utilities/org.kde.sweeper";)
     (synopsis "Temporary file and history cleaner")
     (description "
diff --git a/gnu/packages/kde.scm b/gnu/packages/kde.scm
index 3b11232..1184aa5 100644
--- a/gnu/packages/kde.scm
+++ b/gnu/packages/kde.scm
@@ -103,7 +103,7 @@
        ("kconfig" ,kconfig)
        ("ki18n" ,ki18n)
        ("kio" ,kio)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
@@ -140,7 +140,7 @@ This package contains GUI widgets for baloo.")
        ("ki18n" ,ki18n)
        ("kiconthemes" ,kiconthemes)
        ("knewstuff" ,knewstuff)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/pim/grantleetheme";)
     (synopsis "Library providing Grantlee theme support")
     (description "This library provides Grantlee theme support.")
@@ -202,7 +202,7 @@ This package contains GUI widgets for baloo.")
        ("libkdepim" ,libkdepim)
        ("libkleo" ,libkleo)
        ("qgpgme" ,qgpgme)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtwebchannel" ,qtwebchannel)
        ("qtwebengine" ,qtwebengine)
@@ -243,7 +243,7 @@ browser for easy news reading.")
          ("ffmpeg" ,ffmpeg)
          ("rttr" ,rttr)
          ("mlt" ,mlt)
-         ("qtbase" ,qtbase)
+         ("qtbase" ,qtbase-5)
          ("qtscript" ,qtscript)
          ("qtsvg" ,qtsvg)
          ("qtmultimedia" ,qtmultimedia)
@@ -350,7 +350,7 @@ projects.")
        ("kxmlgui" ,kxmlgui)
        ("libkomparediff2" ,libkomparediff2)
        ("oxygen-icons" ,oxygen-icons)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtquickcontrols" ,qtquickcontrols)  ;; not checked as requirement
        ("qtquickcontrols2" ,qtquickcontrols2)  ;; not checked as requirement
@@ -416,7 +416,7 @@ software (Git, Subversion, Mercurial, CVS and Bazaar).")
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (build-system cmake-build-system)
     (home-page "https://kde.org";)
     (synopsis "Parser generator library for KDevplatform")
@@ -445,7 +445,7 @@ for some KDevelop language plugins (Ruby, PHP, CSS...).")
      `(("extra-cmake-modules" ,extra-cmake-modules)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (home-page "https://invent.kde.org/graphics/kdiagram";)
     (synopsis "Libraries for creating business diagrams")
@@ -532,7 +532,7 @@ illustrate project schedules.")
        ("openexr" ,openexr)
        ("perl" ,perl)
        ("poppler-qt5" ,poppler-qt5)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtmultimedia" ,qtmultimedia)
        ("qtsvg" ,qtsvg)
@@ -572,7 +572,7 @@ features include brush stabilizers, brush engines and 
wrap-around mode.")
        ("kgraphviewer" ,kgraphviewer)
        ("kio" ,kio)
        ("ki18n" ,ki18n)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtxmlpatterns" ,qtxmlpatterns)))
     (home-page "https://apps.kde.org/en/massif-visualizer";)
@@ -605,7 +605,7 @@ compressed massif files can also be opened transparently.")
        ("ki18n" ,ki18n)
        ("kio" ,kio)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (build-system cmake-build-system)
     (home-page "https://kde.org";)
     (synopsis "Library to compare files and strings, used in Kompare and 
KDevelop")
@@ -632,7 +632,7 @@ used in KDE development tools Kompare and KDevelop.")
      `(("pkg-config" ,pkg-config)))
     (inputs
      `(("openssl" ,openssl)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://userbase.kde.org/QCA";)
     (synopsis "Libraries for the Qt Cryptographic Architecture")
     (description "The Qt Cryptographic Architecture (QCA) provides a
@@ -663,7 +663,7 @@ cards.")
        ("kcoreaddons" ,kcoreaddons)
        ("ki18n" ,ki18n)
        ("kwidgetsaddons" ,kwidgetsaddons)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qca" ,qca)
        ("util-linux" ,util-linux "lib")))
     (home-page "https://community.kde.org/Frameworks";)
@@ -687,7 +687,7 @@ cards.")
     (arguments
      `(#:tests? #f)) ; both tests fail, require display
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)
        ("qttools" ,qttools)))
@@ -748,7 +748,7 @@ different notification systems.")
        ("libfakekey" ,libfakekey)
        ("pulseaudio-qt" ,pulseaudio-qt)
        ("qca" ,qca)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtgraphicaleffects" ,qtgraphicaleffects)
        ("qtmultimedia" ,qtmultimedia)
@@ -832,7 +832,7 @@ communicate with each other.  Here's a few things KDE 
Connect can do:
        ("kuserfeedback" ,kuserfeedback)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("shared-mime-info" ,shared-mime-info)
        ;; Optional.
@@ -868,7 +868,7 @@ to perform data analysis.")
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://phabricator.kde.org/source/kqtquickcharts/";)
     (synopsis "Interactive charts for Qt Quick")
@@ -902,7 +902,7 @@ charts.")
        ("knotifications" ,knotifications)
        ("kwidgetsaddons" ,kwidgetsaddons)
        ("kxmlgui" ,kxmlgui)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/system/kdk";)
     (synopsis "View Disk Usage")
     (description "KDiskFree displays the available file devices (hard drive
@@ -930,7 +930,7 @@ unmount drives and view them in a file manager.")
        ("qttools" ,qttools)
        ("kdoctools" ,kdoctools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("karchive" ,karchive)
        ("ki18n" ,ki18n)
        ("kio" ,kio)
@@ -991,7 +991,7 @@ Python, PHP, and Perl.")
        ("kxmlgui" ,kxmlgui)
        ("libsndfile" ,libsndfile)
        ("openal" ,openal)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
     (home-page "https://games.kde.org/";)
@@ -1035,7 +1035,7 @@ Python, PHP, and Perl.")
        ("kbookmarks" ,kbookmarks)
        ("kcompletion" ,kcompletion)
        ("kconfig" ,kconfig)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("libjpeg-turbo" ,libjpeg-turbo)
        ("libtiff" ,libtiff)
        ("kirigami" ,kirigami)
@@ -1084,7 +1084,7 @@ a variety of formats, including PDF, PostScript, DejaVu, 
and EPub.")
        ("kdoctools" ,kdoctools)))
     (inputs
      `(("gettext" ,gettext-minimal)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://kde.org/applications/development";)
     (synopsis "Tools for translating DocBook XML files with Gettext")
     (description "This is a collection of tools that facilitate translating
@@ -1109,7 +1109,7 @@ PO template files.")
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
      `(("kio" ,kio)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://apps.kde.org/en/kdegraphics_mobipocket";)
     (synopsis "KDE thumbnailer for Mobipocket files")
     (description "This package provides a KDE plugin that shows thumbnails of
@@ -1132,7 +1132,7 @@ Mobipocket e-books in Dolphin and other KDE apps.")
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
      `(("exiv2" ,exiv2)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://invent.kde.org/graphics/libkexiv2";)
     (synopsis "Manipulate the metadata of images")
     (description "Libkexiv2 wraps the Exiv2 library, allowing to manipulate
@@ -1158,7 +1158,7 @@ picture metadata as EXIF/IPTC and XMP.")
        ("kdnssd" ,kdnssd)
        ("ki18n" ,ki18n)
        ("kio" ,kio)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page 
"https://kde.org/applications/internet/org.kde.zeroconf_ioslave";)
     (synopsis "DNS-SD Service Discovery Monitor")
     (description "Adds an entry to Dolphin's Network page to show local
@@ -1193,7 +1193,7 @@ or Bonjour by other projects).")
        ;;("phpunit" ,phpunit)
        ))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtcharts" ,qtcharts)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
diff --git a/gnu/packages/language.scm b/gnu/packages/language.scm
index 55a1b72..199a036 100644
--- a/gnu/packages/language.scm
+++ b/gnu/packages/language.scm
@@ -184,7 +184,7 @@
        ("hangul" ,libhangul)
        ("m17n-db" ,m17n-db)
        ("m17n-lib" ,m17n-lib)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("rime" ,librime)
        ("rsvg" ,librsvg)
        ("wayland" ,wayland)
@@ -255,7 +255,7 @@ focuses especially on Korean input (Hangul, Hanja, ...).")
        ("appindicator" ,libappindicator)
        ("chewing" ,libchewing)
        ("gtk+" ,gtk+)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("xtst" ,libxtst)))
     (synopsis "HIME Input Method Editor")
     (description "Hime is an extremely easy-to-use input method framework.  It
diff --git a/gnu/packages/lego.scm b/gnu/packages/lego.scm
index 2294d69..5b72c0e 100644
--- a/gnu/packages/lego.scm
+++ b/gnu/packages/lego.scm
@@ -115,7 +115,7 @@ restrictions that stem from limitations of the standard RCX 
firmware.")
      `(("qttools" ,qttools)))           ; for lrelease
     (inputs
      `(("mesa" ,mesa)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("zlib" ,zlib)))
     (arguments
      '(#:tests? #f
diff --git a/gnu/packages/linphone.scm b/gnu/packages/linphone.scm
index deda49a..1c60e76 100644
--- a/gnu/packages/linphone.scm
+++ b/gnu/packages/linphone.scm
@@ -860,7 +860,7 @@ and video calls or instant messaging capabilities to an 
application.")
        ("liblinphone" ,liblinphone)
        ("mediastreamer2" ,mediastreamer2)
        ("ortp" ,ortp)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtgraphicaleffects" ,qtgraphicaleffects)
        ("qtquickcontrols" ,qtquickcontrols)
diff --git a/gnu/packages/logo.scm b/gnu/packages/logo.scm
index 17c3990..cf70910 100644
--- a/gnu/packages/logo.scm
+++ b/gnu/packages/logo.scm
@@ -37,7 +37,7 @@
          "0cpyj1ji6hjy7zzz05672f0j6fr0mwpc1y3sq36hhkv2fkpidw22"))))
     (build-system gnu-build-system)
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
diff --git a/gnu/packages/lxqt.scm b/gnu/packages/lxqt.scm
index b4cdcaa..c797b63 100644
--- a/gnu/packages/lxqt.scm
+++ b/gnu/packages/lxqt.scm
@@ -90,7 +90,7 @@
     (native-inputs
      `(("doxygen" ,doxygen)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "https://launchpad.net/libdbusmenu-qt";)
     (synopsis "Qt implementation of the DBusMenu spec")
     (description "This library provides a Qt implementation of the DBusMenu
@@ -150,7 +150,7 @@ to statistics about the system on which it's run.")
      `(("pkg-config" ,pkg-config)
        ("glib" ,glib)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (propagated-inputs
      ;; Dependent projects require Perl via the CMake files.
      `(("perl" ,perl)))
@@ -188,7 +188,7 @@ itself as well as other components maintained by the LXQt 
project.")
     (propagated-inputs
      ;; required by Qt5XdgIconLoader.pc
      `(("glib" ,glib)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (native-inputs
      `(("lxqt-build-tools" ,lxqt-build-tools)
@@ -259,7 +259,7 @@ components of the LXQt desktop environment.")
     (build-system cmake-build-system)
     (arguments '(#:tests? #f))          ; no tests
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (native-inputs
      `(("lxqt-build-tools" ,lxqt-build-tools)))
     (home-page "https://lxqt-project.org";)
@@ -287,7 +287,7 @@ and memory usage or network traffic.")
      `(("kwindowsystem" ,kwindowsystem)
        ("liblxqt" ,liblxqt)
        ("libqtxdg" ,libqtxdg)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
@@ -380,7 +380,7 @@ the operating system LXQt is running on.")
        ("libqtxdg" ,libqtxdg)
        ("libxcursor" ,libxcursor)
        ("libxi" ,libxi)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)
        ("solid" ,solid)
@@ -450,7 +450,7 @@ configuration of both LXQt and the underlying operating 
system.")
      `(("kwindowsystem" ,kwindowsystem)
        ("liblxqt" ,liblxqt)
        ("libqtxdg" ,libqtxdg)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
@@ -498,7 +498,7 @@ as a whole and are not limited to distinct applications.")
      `(("kwindowsystem" ,kwindowsystem)
        ("liblxqt" ,liblxqt)
        ("libqtxdg" ,libqtxdg)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
@@ -544,7 +544,7 @@ according to the Desktop Notifications Specification.")
      `(("kwindowsystem" ,kwindowsystem)
        ("liblxqt" ,liblxqt)
        ("libqtxdg" ,libqtxdg)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
@@ -595,7 +595,7 @@ of other programs.")
        ("lxqt-globalkeys" ,lxqt-globalkeys)
        ("pcre" ,pcre)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)
        ("solid" ,solid)
@@ -660,7 +660,7 @@ of other programs.")
        ("libqtxdg" ,libqtxdg)
        ("pcre" ,pcre)
        ("polkit-qt" ,polkit-qt)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
@@ -709,7 +709,7 @@ LXQt.")
        ("liblxqt" ,liblxqt)
        ("libqtxdg" ,libqtxdg)
        ("lxqt-globalkeys" ,lxqt-globalkeys)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)
        ("solid" ,solid)))
@@ -757,7 +757,7 @@ when laptop batteries are low on power.")
      `(("libdbusmenu-qt" ,libdbusmenu-qt)
        ("libfm-qt" ,libfm-qt)
        ("libqtxdg" ,libqtxdg)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
@@ -798,7 +798,7 @@ Qt with LXQt.")
        ("lxqt-globalkeys" ,lxqt-globalkeys)
        ("muparser" ,muparser)
        ("pcre" ,pcre)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
@@ -846,7 +846,7 @@ allows for launching applications or shutting down the 
system.")
        ("liblxqt" ,liblxqt)
        ("libqtxdg" ,libqtxdg)
        ("procps" ,procps)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)
        ("xdg-user-dirs" ,xdg-user-dirs)))
@@ -916,7 +916,7 @@ for the LXQt desktop environment.")
      `(("kwindowsystem" ,kwindowsystem)
        ("liblxqt" ,liblxqt)
        ("libqtxdg" ,libqtxdg)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)
        ("sudo" ,sudo)))
@@ -1001,7 +1001,7 @@ for LXQt.")
        ("libxcb" ,libxcb)
        ("menu-cache" ,menu-cache)
        ("pcre" ,pcre)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
@@ -1027,7 +1027,7 @@ components to build desktop file managers which belongs 
to LXDE.")
     (build-system cmake-build-system)
     (inputs
      `(("libfm-qt" ,libfm-qt)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
@@ -1069,7 +1069,7 @@ LXDE.")
     (build-system cmake-build-system)
     (inputs
      `(("libconfig" ,libconfig)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (native-inputs
      `(("lxqt-build-tools" ,lxqt-build-tools)
        ("pkg-config" ,pkg-config)
@@ -1105,7 +1105,7 @@ manager Compton.")
     (inputs
      `(("libexif" ,libexif)
        ("libfm-qt" ,libfm-qt)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
@@ -1141,7 +1141,7 @@ image viewer.")
        ("openbox" ,openbox)
        ("pango" ,pango)
        ("pcre" ,pcre)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
      `(("lxqt-build-tools" ,lxqt-build-tools)
@@ -1171,7 +1171,7 @@ window manager OpenBox.")
      `(("glib" ,glib)
        ("pcre" ,pcre)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
@@ -1202,7 +1202,7 @@ window manager OpenBox.")
        ("libxrender" ,libxrender)
        ("liblxqt" ,liblxqt)
        ("libqtxdg" ,libqtxdg)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
      `(("lxqt-build-tools" ,lxqt-build-tools)
@@ -1228,7 +1228,7 @@ processes currently in existence, much like code{top} or 
code{ps}.")
         (base32 "10lv475qj0x3c3vl4yhjyr6y10qj5pq8n5pal5k24f6pf7xv412f"))))
     (build-system cmake-build-system)
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("utf8proc" ,utf8proc)))
     (native-inputs
      `(("lxqt-build-tools" ,lxqt-build-tools)
@@ -1253,7 +1253,7 @@ processes currently in existence, much like code{top} or 
code{ps}.")
         (base32 "0rfv7a6ncm8fs8aicinh9l29w4636gxzcqz735jmch2r41v9i1d9"))))
     (build-system cmake-build-system)
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("qtermwidget" ,qtermwidget)))
     (native-inputs
@@ -1282,7 +1282,7 @@ QTermWidget.")
     (inputs
      `(("kwindowsystem" ,kwindowsystem)
        ("libqtxdg" ,libqtxdg)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
@@ -1314,7 +1314,7 @@ easily publishing them on internet image hosting 
services.")
       `(("glib" ,glib)
         ("json-glib" ,json-glib)
         ("libfm-qt" ,libfm-qt)
-        ("qtbase" ,qtbase)
+        ("qtbase" ,qtbase-5)
         ("qtx11extras" ,qtx11extras)))
     (native-inputs
       `(("pkg-config" ,pkg-config)
@@ -1349,7 +1349,7 @@ like @command{tar} and @command{zip}.")
       (build-system cmake-build-system)
       (inputs
         `(("kwindowsystem" ,kwindowsystem)
-          ("qtbase" ,qtbase)
+          ("qtbase" ,qtbase-5)
           ("qtsvg" ,qtsvg)
           ("liblxqt" ,liblxqt)
           ("qtx11extras" ,qtx11extras)
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 90c1bb7..1686ba8 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -2086,7 +2086,7 @@ script files.")
     (name "octave")
     (inputs
      `(("qscintilla" ,qscintilla)
-       ("qt" ,qtbase)
+       ("qt" ,qtbase-5)
        ,@(package-inputs octave-cli)))
     (native-inputs
      `(("qttools" , qttools) ;for lrelease
@@ -2359,7 +2359,7 @@ ASCII text files using Gmsh's own scripting language.")
        ("python-dbus" ,python-dbus)
        ("python-h5py" ,python-h5py) ;optional, for HDF5 data
        ("python-pyqt" ,python-pyqt)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (propagated-inputs
      `(("python-numpy" ,python-numpy)))
@@ -4581,7 +4581,7 @@ evaluates expressions using the standard order of 
operations.")
                 "0maw5am6rrkyjrprfg113zjq37mqj0iaznkg4h2927ff7wrprc94"))))
     (build-system gnu-build-system)
     (native-inputs `(("gettext" ,gettext-minimal)
-                     ("qtbase" ,qtbase)
+                     ("qtbase" ,qtbase-5)
                      ("qttools" ,qttools)))
     (inputs `(("libx11" ,libx11)
               ("zlib" ,zlib)
@@ -5167,7 +5167,7 @@ reduction.")
      `(("boost" ,boost)
        ("glu" ,glu)
        ("mesa" ,mesa)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (build-system cmake-build-system)
     (synopsis "Toolset for the mCRL2 formal specification language")
     (description
@@ -6098,7 +6098,7 @@ functions.")
        (base32
         "0vh7cd1915bjqzkdp3sk25ngy8cq624mkh8c53c5bnzk357kb0fk"))))
     (build-system cmake-build-system)
-    (inputs `(("qtbase" ,qtbase)))
+    (inputs `(("qtbase" ,qtbase-5)))
     (native-inputs `(("qttools" ,qttools)))
     (arguments
      `(#:phases
diff --git a/gnu/packages/messaging.scm b/gnu/packages/messaging.scm
index 9ff4502..499b7a8 100644
--- a/gnu/packages/messaging.scm
+++ b/gnu/packages/messaging.scm
@@ -180,7 +180,7 @@
        ("hunspell" ,hunspell)
        ("libidn" ,libidn)
        ("qca" ,qca)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("qtsvg" ,qtsvg)
        ("qtwebkit" ,qtwebkit)
@@ -1606,7 +1606,7 @@ instant messenger with audio and video chat 
capabilities.")
        ("sqlite" ,sqlite)
        ("openal" ,openal)
        ("qrencode" ,qrencode)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("sqlcipher" ,sqlcipher)))
     (native-inputs
@@ -2227,7 +2227,7 @@ notifications, and Python scripting support.")
         (base32 "0gkwr3yw6k2m0j8cc085b5p2q788rf5nhp1p5hc5d55pc7mci2qs"))))
     (build-system cmake-build-system)
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)))
     (arguments
      `(#:configure-flags (list "-DBUILD_SHARED_LIBS=ON")
@@ -2331,7 +2331,7 @@ for the Matrix protocol.  It is built on to of 
@code{Boost.Asio}.")
        ("lmdbxx" ,lmdbxx)
        ("mtxclient" ,mtxclient)
        ("openssl" ,openssl)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtgraphicaleffects" ,qtgraphicaleffects)
        ("qtmultimedia" ,qtmultimedia)
@@ -2384,7 +2384,7 @@ There is support for:
     (build-system qt-build-system)
     (inputs
      `(("libqmatrixclient" ,libqmatrixclient)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtmultimedia" ,qtmultimedia)
        ("qtquickcontrols" ,qtquickcontrols)
@@ -2724,7 +2724,7 @@ as phones, embedded computers or microcontrollers.")
                   "\"../build"))
                #t)))))
       (inputs
-       `(("qtbase" ,qtbase)
+       `(("qtbase" ,qtbase-5)
          ("qtdeclarative" ,qtdeclarative)
          ("qtwebchannel" ,qtwebchannel)))
       (propagated-inputs
@@ -2853,7 +2853,7 @@ social and chat platform.")
        ("qca" ,qca)
        ("qhttp" ,qhttp)
        ("qite" ,qite)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtkeychain" ,qtkeychain)
        ("qtmultimedia" ,qtmultimedia)
        ("qtsvg" ,qtsvg)
diff --git a/gnu/packages/mpd.scm b/gnu/packages/mpd.scm
index 94ed6de..c856198 100644
--- a/gnu/packages/mpd.scm
+++ b/gnu/packages/mpd.scm
@@ -447,7 +447,7 @@ support")
        ("libebur128" ,libebur128)
        ("libmtp" ,libmtp)
        ("mpg123" ,mpg123)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("qtsvg" ,qtsvg)
        ("taglib" ,taglib)
diff --git a/gnu/packages/music.scm b/gnu/packages/music.scm
index 68d48a2..c9b949d 100644
--- a/gnu/packages/music.scm
+++ b/gnu/packages/music.scm
@@ -231,7 +231,7 @@
        ("pkg-config" ,pkg-config)))
     (inputs
      `(("dbus" ,dbus)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ;; Plugin dependencies
        ("alsa-lib" ,alsa-lib)
@@ -434,7 +434,7 @@ score, keyboard, guitar, drum and controller views.")
        ("libxml2" ,libxml2)
        ("protobuf" ,protobuf)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("sqlite" ,sqlite)
        ("sparsehash" ,sparsehash)
@@ -527,7 +527,7 @@ playing your music.")
        ("libmtp" ,libmtp)
        ("protobuf" ,protobuf)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("sqlite" ,sqlite)
        ("taglib" ,taglib)))
@@ -759,7 +759,7 @@ settings (aliasing, linear interpolation and cubic 
interpolation).")
        ("libsndfile" ,libsndfile)
        ("lrdf" ,lrdf)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtxmlpatterns" ,qtxmlpatterns)
        ("zlib" ,zlib)))
     (home-page "http://www.hydrogen-music.org";)
@@ -1999,7 +1999,7 @@ your own lessons.")
        ("boost" ,boost)
        ("minizip" ,minizip)
        ("pugixml" ,pugixml)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("rapidjson" ,rapidjson)
        ("rtmidi" ,rtmidi)
        ("timidity" ,timidity++)
@@ -2082,7 +2082,7 @@ users to select LV2 plugins and run them with jalv.")
        ("alsa-lib" ,alsa-lib)
        ("non-session-manager" ,non-session-manager)
        ("liblo" ,liblo)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("qttools" ,qttools)))
@@ -2115,7 +2115,7 @@ oscillators and stereo effects.")
        ("alsa-lib" ,alsa-lib)
        ("non-session-manager" ,non-session-manager)
        ("liblo" ,liblo)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("qttools" ,qttools)))
@@ -2148,7 +2148,7 @@ effects.")
        ("alsa-lib" ,alsa-lib)
        ("non-session-manager" ,non-session-manager)
        ("liblo" ,liblo)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("qttools" ,qttools)))
@@ -2181,7 +2181,7 @@ effects.")
        ("non-session-manager" ,non-session-manager)
        ("liblo" ,liblo)
        ("fftwf" ,fftwf)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("qttools" ,qttools)))
@@ -2761,7 +2761,7 @@ browser.")
                                "/manpages/docbook.xsl")))
              #t)))))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qttools" ,qttools)
        ("alsa-lib" ,alsa-lib)))
@@ -2809,7 +2809,7 @@ backends, including ALSA, OSS, Network and FluidSynth.")
              #t)))))
     (inputs
      `(("drumstick" ,drumstick)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs
@@ -3149,7 +3149,7 @@ from the command line.")
     (arguments
      `(#:tests? #f))                    ; no "check" target
     (inputs
-     `(("qt" ,qtbase)
+     `(("qt" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("alsa-lib" ,alsa-lib)
        ("jack" ,jack-1)
@@ -4467,7 +4467,7 @@ develop custom plugins for use in other applications 
without programming.")
      `(#:configure-flags
        (list "--enable-qt5")))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("alsa-lib" ,alsa-lib)
        ("jack" ,jack-1)
        ("liblo" ,liblo)
@@ -4498,7 +4498,7 @@ modules running in parallel.")
      `(#:configure-flags
        (list "--enable-qt5")))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("alsa-lib" ,alsa-lib)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
@@ -4681,7 +4681,7 @@ are a C compiler and glib.  Full API documentation and 
examples are included.")
              "0g9pls46iggg7rdm65vzfj8nyr3v2n5xkp54c4qbh9hhalpsw4ay"))))))
     (inputs
      `(("sdl" ,sdl)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ("fltk" ,fltk)
        ("libogg" ,libogg)
@@ -4786,7 +4786,7 @@ standalone JACK client and an LV2 plugin is also 
available.")
        ("portaudio" ,portaudio)
        ("portmidi" ,portmidi)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtgraphicaleffects" ,qtgraphicaleffects)
        ("qtquickcontrols2" ,qtquickcontrols2)
@@ -4864,7 +4864,7 @@ sample library.")
        ("lv2" ,lv2)
        ("pcre" ,pcre)
        ("pulseaudio" ,pulseaudio) ; required by rtaudio
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("rtaudio" ,rtaudio)
        ("rubberband" ,rubberband)
@@ -5056,7 +5056,7 @@ specification and header.")
        ("libsamplerate" ,libsamplerate)
        ("lilypond" ,lilypond)
        ("lrdf" ,lrdf)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("tar" ,tar)
        ("lirc" ,lirc)
        ("wavpack" ,wavpack)
@@ -5162,7 +5162,7 @@ the electronic or dubstep genre.")
      `(("alsa-lib" ,alsa-lib)
        ("drumstick" ,drumstick)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (native-inputs
      `(("pkg-config" ,pkg-config)))
     (home-page "https://github.com/pedrolcl/Linux-SonivoxEas";)
@@ -5546,7 +5546,7 @@ discard bad quality ones.
        ("fftw" ,fftw)
        ("jack" ,jack-1)
        ("portaudio" ,portaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("qtsvg" ,qtsvg)))
     (native-inputs
diff --git a/gnu/packages/networking.scm b/gnu/packages/networking.scm
index 0769438..56945bf 100644
--- a/gnu/packages/networking.scm
+++ b/gnu/packages/networking.scm
@@ -255,7 +255,7 @@ protocols.")
        ("gnutls" ,gnutls)
        ("libtiff" ,libtiff)
        ("openssl" ,openssl)
-       ("qt5" ,qtbase)
+       ("qt5" ,qtbase-5)
        ("udev" ,eudev)))
     (synopsis "Camera stack and framework")
     (description "LibCamera is a complex camera support library for GNU+Linux,
@@ -1495,7 +1495,7 @@ of the same name.")
        ("krb5" ,mit-krb5)
        ("nghttp2:lib" ,nghttp2 "lib")
        ("minizip" ,minizip)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("qtsvg" ,qtsvg)
        ("sbc" ,sbc)
diff --git a/gnu/packages/ocr.scm b/gnu/packages/ocr.scm
index 15e1811..a60aeaa 100644
--- a/gnu/packages/ocr.scm
+++ b/gnu/packages/ocr.scm
@@ -180,7 +180,7 @@ monospaced or proportional.")
        ("podofo" ,podofo)
        ("poppler-qt5" ,poppler-qt5)
        ("sane-backends" ,sane-backends)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtspell" ,qtspell)
        ("quazip" ,quazip)
        ("tesseract" ,tesseract-ocr)))
diff --git a/gnu/packages/orange.scm b/gnu/packages/orange.scm
index 942e194..bedbad7 100644
--- a/gnu/packages/orange.scm
+++ b/gnu/packages/orange.scm
@@ -177,7 +177,7 @@ GUI based workflow.  It is primarily used in the Orange 
framework.")
        ("python-serverfiles" ,python-serverfiles)
        ("python-xlrd" ,python-xlrd)
        ("python-xlsxwriter" ,python-xlsxwriter)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("xdg-utils" ,xdg-utils)))
     (home-page "https://orangedatamining.com/";)
diff --git a/gnu/packages/password-utils.scm b/gnu/packages/password-utils.scm
index 33d63b5..9c8912c 100644
--- a/gnu/packages/password-utils.scm
+++ b/gnu/packages/password-utils.scm
@@ -161,7 +161,7 @@ human.")
        ("libxi" ,libxi)
        ("libxtst" ,libxtst)
        ("qrencode" ,qrencode)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)
        ("quazip" ,quazip)               ; XC_KEESHARE
@@ -693,7 +693,7 @@ key URIs using the standard otpauth:// scheme.")
     (native-inputs
      `(("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (home-page "https://qtpass.org";)
     (synopsis "GUI for password manager password-store")
diff --git a/gnu/packages/pdf.scm b/gnu/packages/pdf.scm
index 8f163bd..9298332 100644
--- a/gnu/packages/pdf.scm
+++ b/gnu/packages/pdf.scm
@@ -177,7 +177,7 @@ information.")
      `(("python-pypdf2" ,python-pypdf2)
        ("python-pyqt" ,python-pyqt)
        ("python-poppler-qt5" ,python-poppler-qt5)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "http://crazy-compilers.com/flyer-composer";)
     (synopsis "Rearrange PDF pages to print as flyers on one sheet")
     (description "@command{flyer-composer} can be used to prepare one- or
@@ -302,7 +302,7 @@ When present, Poppler is able to correctly render CJK and 
Cyrillic text.")
 (define-public poppler-qt5
   (package/inherit poppler
    (name "poppler-qt5")
-   (inputs `(("qtbase" ,qtbase)
+   (inputs `(("qtbase" ,qtbase-5)
              ,@(package-inputs poppler)))
    (synopsis "Qt5 frontend for the Poppler PDF rendering library")))
 
@@ -342,7 +342,7 @@ When present, Poppler is able to correctly render CJK and 
Cyrillic text.")
      `(("python-sip" ,python-sip-4)
        ("python-pyqt" ,python-pyqt)
        ("poppler-qt5" ,poppler-qt5)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://pypi.org/project/python-poppler-qt5/";)
     (synopsis "Python bindings for Poppler-Qt5")
     (description
@@ -400,7 +400,7 @@ reading and editing of existing PDF files.")
    (inputs `(("cups" ,cups)
              ("freetype" ,freetype)
              ("libpng" ,libpng)
-             ("qtbase" ,qtbase)
+             ("qtbase" ,qtbase-5)
              ("zlib" ,zlib)))
    (arguments
     `(#:tests? #f))                   ; there is no check target
@@ -847,7 +847,7 @@ program capable of converting PDF into other formats.")
        ("djvulibre" ,djvulibre)
        ("libspectre" ,libspectre)
        ("poppler-qt5" ,poppler-qt5)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (arguments
      `(#:imported-modules ((guix build qt-build-system)
diff --git a/gnu/packages/photo.scm b/gnu/packages/photo.scm
index 943e8ca..ead70c3 100644
--- a/gnu/packages/photo.scm
+++ b/gnu/packages/photo.scm
@@ -617,7 +617,7 @@ and enhance them.")
     (inputs
      `(("graphicsmagick" ,graphicsmagick)
        ("libomp" ,libomp)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://photoflare.io";)
     (synopsis "Quick, simple but powerful image editor")
     (description "Photoflare is a cross-platform image editor with an aim
diff --git a/gnu/packages/polkit.scm b/gnu/packages/polkit.scm
index 40aa523b..f495d51 100644
--- a/gnu/packages/polkit.scm
+++ b/gnu/packages/polkit.scm
@@ -159,7 +159,7 @@ for unprivileged applications.")
     (inputs
      `(("polkit" ,polkit)))
     (propagated-inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (native-inputs
      `(("pkg-config" ,pkg-config)))
     (arguments
diff --git a/gnu/packages/printers.scm b/gnu/packages/printers.scm
index 9ab9da3..f789239 100644
--- a/gnu/packages/printers.scm
+++ b/gnu/packages/printers.scm
@@ -57,11 +57,11 @@
                         #t))))))
     (inputs
      `(("libusb" ,libusb)
-       ("qt" ,qtbase)
+       ("qt" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (native-inputs
      `(("pkg-config" ,pkg-config)
-       ("qmake" ,qtbase)))
+       ("qmake" ,qtbase-5)))
     (synopsis "Graphical program to drive plotting cutters")
     (description
      "Robocut is a simple graphical program that allows you to cut graphics
diff --git a/gnu/packages/profiling.scm b/gnu/packages/profiling.scm
index 4d3c3fa..b4d52d8 100644
--- a/gnu/packages/profiling.scm
+++ b/gnu/packages/profiling.scm
@@ -207,7 +207,7 @@ with calls to the POMP2 measurement interface.")
     (inputs `(("dbus" ,dbus)
               ("zlib" ,zlib)))
     (native-inputs `(("perl" ,perl)
-                     ("qtbase" ,qtbase)           ; native because of qmake
+                     ("qtbase" ,qtbase-5)           ; native because of qmake
                      ("which" ,which)))
 
     ;; FIXME: The doc is 14MB, but adding a doc output results in a cycle.
diff --git a/gnu/packages/pumpio.scm b/gnu/packages/pumpio.scm
index b874152..f8a60af 100644
--- a/gnu/packages/pumpio.scm
+++ b/gnu/packages/pumpio.scm
@@ -62,7 +62,7 @@
              #t)))))
     (inputs
      `(("aspell" ,aspell)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("tidy" ,tidy)))
     (synopsis "Qt-based pump.io client")
     (description "Pumpa is a simple pump.io client written in C++ and Qt.")
diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 18e756d..cfcfcfb 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -13320,7 +13320,7 @@ ISO 8859, etc.).")
        ("python-pytest-cov" ,python-pytest-cov)
        ("python-pytest-xdist" ,python-pytest-xdist)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (propagated-inputs
      `(("python-h5py" ,python-h5py)
        ("python-numpy" ,python-numpy)
@@ -25648,7 +25648,7 @@ implementations.")
         ("swig" ,swig)))
     (inputs
       `(("python-wrapper" ,python-wrapper)
-        ("qtbase" ,qtbase)
+        ("qtbase" ,qtbase-5)
         ("libxi" ,libxi)
         ("libice" ,libice)
         ("soqt" ,soqt)
diff --git a/gnu/packages/qt.scm b/gnu/packages/qt.scm
index f992314..a8ccb12 100644
--- a/gnu/packages/qt.scm
+++ b/gnu/packages/qt.scm
@@ -134,7 +134,7 @@
                (chdir "libqite")
                #t)))))
       (inputs
-       `(("qtbase" ,qtbase)
+       `(("qtbase" ,qtbase-5)
          ("qtmultimedia" ,qtmultimedia)))
       (home-page "https://github.com/Ri0n/qite/";)
       (synopsis "Qt Interactive Text Elements")
@@ -187,7 +187,7 @@
     (native-inputs
      `(("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (synopsis "Qt5 Configuration Tool")
     (description "Qt5CT is a program that allows users to configure Qt5
@@ -228,13 +228,13 @@ window managers, that don't provide Qt integration by 
themselves.")
           (string-append "-DCMAKE_CXX_FLAGS=-I"
                          (assoc-ref %build-inputs "qtbase")
                          "/include/qt5/QtXkbCommonSupport/"
-                         ,(package-version qtbase)))))
+                         ,(package-version qtbase-5)))))
       (native-inputs
        `(("cmake-shared" ,cmake-shared)
          ("extra-cmake-modules" ,extra-cmake-modules)
          ("pkg-config" ,pkg-config)))
       (inputs
-       `(("qtbase" ,qtbase)
+       `(("qtbase" ,qtbase-5)
          ("qtwayland" ,qtwayland)
          ("wayland" ,wayland)
          ("xkbcommon" ,libxkbcommon)))
@@ -261,7 +261,7 @@ applications on Wayland.")
      ;; Optional: lcov and cccc, both are for code coverage
      `(("doxygen" ,doxygen)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtscript" ,qtscript)))
     (build-system cmake-build-system)
@@ -298,7 +298,7 @@ system, and the core design of Django is reused in 
Grantlee.")
         (string-append "https://distfiles.macports.org/qt5/";
                        component "-everywhere-src-" version ".tar.xz")))
 
-(define-public qtbase
+(define-public qtbase-5
   (package
     (name "qtbase")
     (version "5.15.2")
@@ -557,7 +557,7 @@ developers using C++ or QML, a CSS & JavaScript like 
language.")
 (define-deprecated qt qtbase)
 
 (define-public qtsvg
-  (package (inherit qtbase)
+  (package (inherit qtbase-5)
     (name "qtsvg")
     (version "5.15.2")
     (source (origin
@@ -570,7 +570,7 @@ developers using C++ or QML, a CSS & JavaScript like 
language.")
     (native-inputs `(("perl" ,perl)))
     (inputs
      `(("mesa" ,mesa)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("zlib" ,zlib)))
     (arguments
      `(#:phases
@@ -660,7 +660,7 @@ HostData=lib/qt5
        ("libtiff" ,libtiff)
        ("libwebp" ,libwebp)
        ("mesa" ,mesa)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("zlib" ,zlib)))
     (synopsis "Additional Image Format plugins for Qt")
     (description "The QtImageFormats module contains plugins for adding
@@ -682,7 +682,7 @@ support for MNG, TGA, TIFF and WBMP image formats.")))
     (native-inputs `(("perl" ,perl)))
     (inputs
      `(("mesa" ,mesa)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (synopsis "Qt Extras for X11")
     (description "The QtX11Extras module includes the library to access X11
 from within Qt 5.")))
@@ -709,7 +709,7 @@ from within Qt 5.")))
                #t))))))
     (native-inputs `(("perl" ,perl)
                      ("qtdeclarative" ,qtdeclarative)))
-    (inputs `(("qtbase" ,qtbase)))
+    (inputs `(("qtbase" ,qtbase-5)))
     (synopsis "Qt XML patterns module")
     (description "The QtXmlPatterns module is a XQuery and XPath engine for
 XML and custom data models.  It contains programs such as xmlpatterns and
@@ -748,7 +748,7 @@ xmlpatternsvalidator.")))
        ("vulkan-headers" ,vulkan-headers)))
     (inputs
      `(("mesa" ,mesa)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (synopsis "Qt QML module (Quick 2)")
     (description "The Qt QML module provides a framework for developing
 applications and libraries with the QML language.  It defines and implements 
the
@@ -772,7 +772,7 @@ with JavaScript and C++.")))
        ("qtdeclarative" ,qtdeclarative)))
     (inputs
      `(("bluez" ,bluez)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (synopsis "Qt Connectivity module")
     (description "The Qt Connectivity modules provides modules for interacting
 with Bluetooth and NFC.")))
@@ -793,7 +793,7 @@ with Bluetooth and NFC.")))
     (native-inputs
      `(("perl" ,perl)
        ("qtdeclarative" ,qtdeclarative)))
-    (inputs `(("qtbase" ,qtbase)))
+    (inputs `(("qtbase" ,qtbase-5)))
     (synopsis "Qt Web Sockets module")
     (description "WebSocket is a web-based protocol designed to enable two-way
 communication between a client application and a remote host.  The Qt
@@ -825,7 +825,7 @@ consume data received from the server, or both.")))
     (native-inputs
      `(("perl" ,perl)
        ("qtdeclarative" ,qtdeclarative)))
-    (inputs `(("qtbase" ,qtbase)))
+    (inputs `(("qtbase" ,qtbase-5)))
     (synopsis "Qt Sensors module")
     (description "The Qt Sensors API provides access to sensor hardware via QML
 and C++ interfaces.  The Qt Sensors API also provides a motion gesture
@@ -870,7 +870,7 @@ recognition API for devices.")))
      `(("alsa-lib" ,alsa-lib)
        ("mesa" ,mesa)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ;; Gstreamer is needed for the mediaplayer plugin
        ("gstreamer" ,gstreamer)
        ("gst-plugins-base" ,gst-plugins-base)))
@@ -924,7 +924,7 @@ set of plugins for interacting with pulseaudio and 
GStreamer.")))
        ("libxrender" ,libxrender)
        ("mesa" ,mesa)
        ("mtdev" ,mtdev)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("vulkan-headers" ,vulkan-headers)
        ("wayland" ,wayland)))
     (synopsis "Qt Wayland module")
@@ -943,7 +943,7 @@ compositor libraries.")))
                "17gp5qzg4wdg8qlxk2p3mh8x1vk33rf33wic3fy0cws193bmkiar"))))
     (native-inputs `(("perl" ,perl)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("eudev" ,eudev)))
     (arguments
      (substitute-keyword-arguments (package-arguments qtsvg)
@@ -987,7 +987,7 @@ interacting with serial ports from within Qt.")))
                  #t)))))))
     (inputs
      `(("libsocketcan" ,libsocketcan)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtserialport" ,qtserialport)))
     (synopsis "Qt Serial Bus module")
     (description "The Qt Serial Bus API provides classes and functions to
@@ -1008,7 +1008,7 @@ and others.")))
      `(("perl" ,perl)
        ("qtdeclarative" ,qtdeclarative)
        ("qtwebsockets" ,qtwebsockets)))
-    (inputs `(("qtbase" ,qtbase)))
+    (inputs `(("qtbase" ,qtbase-5)))
     (synopsis "Web communication library for Qt")
     (description "The Qt WebChannel module enables peer-to-peer communication
 between the host (QML/C++ application) and the client (HTML/JavaScript
@@ -1036,7 +1036,7 @@ popular web engines, Qt WebKit 2 and Qt WebEngine.")))
     (native-inputs '())
     (inputs
      `(("mesa" ,mesa)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtwebsockets" ,qtwebsockets)
        ("zlib" ,zlib)))
@@ -1061,7 +1061,7 @@ OpenGL ES 2.0 and can be used in HTML5 canvas elements")))
     (native-inputs
      `(("perl" ,perl)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (synopsis "Display web content in a QML application")
     (description "Qt WebView provides a way to display web content in a QML
@@ -1092,7 +1092,7 @@ native APIs where it makes sense.")))
     (inputs
      `(("icu4c" ,icu4c)
        ("openssl" ,openssl)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("zlib" ,zlib)))
     (synopsis "Qt Location and Positioning modules")
     (description "The Qt Location module provides an interface for location,
@@ -1117,7 +1117,7 @@ positioning and geolocation plugins.")))
        ("vulkan-headers" ,vulkan-headers)))
     (inputs
      `(("mesa" ,mesa)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (synopsis "Qt Tools and Designer modules")
     (description "The Qt Tools module provides a set of applications to browse
 the documentation, translate applications, generate help files and other stuff
@@ -1138,7 +1138,7 @@ that helps in Qt development.")))
      `(("perl" ,perl)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (synopsis "Qt Script module")
     (description "Qt provides support for application scripting with 
ECMAScript.
 The following guides and references cover aspects of programming with
@@ -1158,7 +1158,7 @@ ECMAScript and Qt.")))
      (substitute-keyword-arguments (package-arguments qtsvg)
        ((#:tests? _ #f) #f))) ; TODO: Enable the tests
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (synopsis "Qt Quick Controls and other Quick modules")
     (description "The QtScript module provides classes for making Qt
@@ -1179,7 +1179,7 @@ can be used to build complete interfaces in Qt Quick.")))
      (substitute-keyword-arguments (package-arguments qtsvg)
        ((#:tests? _ #f) #f))) ; TODO: Enable the tests
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (synopsis "Qt Quick Controls 2 and other Quick 2 modules")
     (description "The Qt Quick Controls 2 module contains the Qt Labs Platform
@@ -1201,7 +1201,7 @@ not available.")))
      (substitute-keyword-arguments (package-arguments qtsvg)
        ((#:tests? _ #f) #f))) ; TODO: Enable the tests
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (synopsis "Qt Graphical Effects module")
     (description "The Qt Graphical Effects module provides a set of QML types
@@ -1229,7 +1229,7 @@ coloring, and many more.")))
        ("freetype" ,freetype)
        ("libxrender" ,libxrender)
        ("sdl2" ,sdl2)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (synopsis "Qt Gamepad module")
     (description "The Qt Gamepad module is an add-on library that enables Qt
@@ -1257,7 +1257,7 @@ and mobile applications targeting TV-like form 
factors.")))
                    (("scion") "#"))
                  #t))))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (synopsis "Qt SCXML module")
     (description "The Qt SCXML module provides functionality to create state
@@ -1277,7 +1277,7 @@ also contains functionality to support data models and 
executable content.")))
               (base32
                "09rjx53519dfk4qj2gbn3vlxyriasyb747wpg1p11y7jkwqhs4l7"))))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (synopsis "Qt Purchasing module")
     (description "The Qt Purchasing module provides and in-app API for
@@ -1297,7 +1297,7 @@ purchasing goods and services.")))
      (substitute-keyword-arguments (package-arguments qtsvg)
        ((#:tests? _ #f) #f))) ; TODO: Enable the tests
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (synopsis "Qt Charts module")
     (description "The Qt Charts module provides a set of easy to use chart
@@ -1321,7 +1321,7 @@ selecting one of the charts themes.")
      (substitute-keyword-arguments (package-arguments qtsvg)
        ((#:tests? _ #f) #f))) ; TODO: Enable the tests
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (synopsis "Qt Data Visualization module")
     (description "The Qt Data Visualization module provides a way to visualize
@@ -1352,7 +1352,7 @@ customized by using themes or by adding custom items and 
labels to them.")
                  (("oauth1 ") "# oauth1 "))
                #t))))))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (synopsis "Qt Network Authorization module")
     (description "The Qt Network Authorization module provides an
 implementation of OAuth and OAuth2 authenticathon methods for Qt.")))
@@ -1383,7 +1383,7 @@ implementation of OAuth and OAuth2 authenticathon methods 
for Qt.")))
                    "integration_multiprocess"))
                #t))))))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (synopsis "Qt Remote Objects module")
     (description "The Qt Remote Objects module is an @dfn{inter-process
@@ -1406,7 +1406,7 @@ processes or computers.")))
      (substitute-keyword-arguments (package-arguments qtsvg)
        ((#:tests? _ #f) #f))) ; TODO: Enable the tests
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (native-inputs
      `(("perl" ,perl)
        ("qtdeclarative" ,qtdeclarative)
@@ -1442,7 +1442,7 @@ message.")))
        ("qttools" ,qttools)))
     (inputs
      `(("enchant" ,enchant)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://github.com/manisandro/qtspell";)
     (synopsis "Spell checking for Qt text widgets")
     (description
@@ -1455,7 +1455,7 @@ using the Enchant spell-checking library.")
   (package
     (inherit qtsvg)
     (name "qtwebengine")
-    (version (package-version qtbase))
+    (version (package-version qtbase-5))
     (source
      (origin
        (method url-fetch)
@@ -1737,7 +1737,7 @@ using the Enchant spell-checking library.")
        ("pciutils" ,pciutils)
        ("protobuf" ,protobuf)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtmultimedia" ,qtmultimedia)
        ("qtwebchannel" ,qtwebchannel)
@@ -1916,13 +1916,13 @@ module provides support functions to the automatically 
generated code.")
         (patches (search-patches "pyqt-configure.patch"))))
     (build-system gnu-build-system)
     (native-inputs
-     `(("qtbase" ,qtbase))) ; for qmake
+     `(("qtbase" ,qtbase-5))) ; for qmake
     (propagated-inputs
      `(("python-sip" ,python-sip)
        ("python-pyqt5-sip" ,python-pyqt5-sip)))
     (inputs
      `(("python" ,python-wrapper)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtconnectivity" ,qtconnectivity)
        ("qtdeclarative" ,qtdeclarative)
        ("qtlocation" ,qtlocation)
@@ -2028,12 +2028,12 @@ contain over 620 classes.")
      `(("python" ,python)
        ("python-sip" ,python-sip)
        ;; qtbase is required for qmake
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (inputs
      `(("python" ,python-wrapper)
        ("python-sip" ,python-sip)
        ("python-pyqt" ,python-pyqt)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtdeclarative" ,qtdeclarative)
        ("qtwebchannel" ,qtwebchannel)
@@ -2180,7 +2180,7 @@ top of the PyQt bindings for Qt.  PyQt-builder is used to 
build PyQt itself.")
                  (("\\$\\$\\[QT_HOST_DATA\\]")
                  (string-append out "/lib/qt$${QT_MAJOR_VERSION}")))
                (invoke "qmake")))))))
-    (native-inputs `(("qtbase" ,qtbase)))
+    (native-inputs `(("qtbase" ,qtbase-5)))
     (home-page 
"https://www.riverbankcomputing.co.uk/software/qscintilla/intro";)
     (synopsis "Qt port of the Scintilla C++ editor control")
     (description "QScintilla is a port to Qt of Neil Hodgson's Scintilla C++
@@ -2278,7 +2278,7 @@ This package provides the Python bindings.")))
      `(("pkg-config" ,pkg-config)
        ("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (arguments
      `(#:tests? #f ; No tests included
        #:phases
@@ -2388,7 +2388,7 @@ securely.  It will not store any data unencrypted unless 
explicitly requested.")
                          '("qtlockedfile" "qtpropertybrowser" "qtservice"
                            "qtsingleapplication" "qtsoap")))))))
       (inputs
-       `(("qtbase" ,qtbase)))
+       `(("qtbase" ,qtbase-5)))
       (synopsis "Collection of Qt extensions")
       (description "QtSolutions is a set of components extending Qt.
 @itemize
@@ -2421,7 +2421,7 @@ that can be only started once per user.
          (base32 "0hf0mpca248xlqn7xnzkfj8drf19gdyg5syzklvq8pibxiixwxj0"))))
   (build-system gnu-build-system)
   (inputs
-   `(("qtbase" ,qtbase)
+   `(("qtbase" ,qtbase-5)
      ("qtsvg" ,qtsvg)
      ("qttools" ,qttools)))
   (arguments
@@ -2504,7 +2504,7 @@ different kinds of sliders, and much more.")
        ("sqlite" ,sqlite)
        ("fontconfig" ,fontconfig)
        ("libxrender" ,libxrender)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtlocation" ,qtlocation)
        ("qtmultimedia" ,qtmultimedia)
@@ -2569,7 +2569,7 @@ time Web content can be enhanced with native controls.")
     (native-inputs
      `(("qttools" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)))
     (home-page "https://filcuc.github.io/DOtherSide/index.html";)
     (synopsis "C language library for creating bindings for the Qt QML 
language")
@@ -2607,7 +2607,7 @@ a binding language:
       (native-inputs
        `(("qttools" ,qttools)))
       (inputs
-       `(("qtbase" ,qtbase)))
+       `(("qtbase" ,qtbase-5)))
       (home-page "https://gitlab.com/mattia.basaglia/Qt-Color-Widgets";)
       (synopsis "Color management widgets")
       (description "QtColorWidgets provides a Qt color dialog that is more
@@ -2636,7 +2636,7 @@ color-related widgets.")
            (sha256
             (base32 
"0vp8lpxvd1nlp4liqrlvslpqrgfn0wpiwizzdsjbj22zzb8vxikc"))))))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (build-system gnu-build-system)
     (arguments
      `(#:phases
@@ -2685,7 +2685,7 @@ color-related widgets.")
        ("libxml2" ,libxml2)
        ("libxslt" ,libxslt)
        ("python-wrapper" ,python-wrapper)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtxmlpatterns" ,qtxmlpatterns)))
     (arguments
      `(#:tests? #f
@@ -2735,7 +2735,7 @@ color-related widgets.")
      `(("libxml2" ,libxml2)
        ("libxslt" ,libxslt)
        ("clang-toolchain" ,clang-toolchain)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdatavis3d" ,qtdatavis3d)
        ("qtlocation" ,qtlocation)
        ("qtmultimedia" ,qtmultimedia)
@@ -2803,7 +2803,7 @@ generate Python bindings for your C or C++ code.")
     (inputs
      `(("python-pyside-2" ,python-pyside-2)
        ("python-shiboken-2" ,python-shiboken-2)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (native-inputs
      `(("python" ,python-wrapper)))
     (arguments
@@ -2847,7 +2847,7 @@ generate Python bindings for your C or C++ code.")
            (lambda* (#:key make-flags #:allow-other-keys)
              (apply invoke (cons "qmake" make-flags)))))))
     (native-inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qttools" ,qttools)))
     (inputs
      `(("glu" ,glu)))
@@ -2890,7 +2890,7 @@ being fully customizable and easy to extend.")
       `(("pkg-config" ,pkg-config)
         ("cmake" ,cmake)))
     (inputs
-      `(("qtbase" ,qtbase)
+      `(("qtbase" ,qtbase-5)
         ("coin3D" ,coin3D-4)))
     (home-page "https://github.com/coin3d/soqt";)
     (synopsis "Qt GUI component toolkit library for Coin")
diff --git a/gnu/packages/radio.scm b/gnu/packages/radio.scm
index d0b7446..618b2cf 100644
--- a/gnu/packages/radio.scm
+++ b/gnu/packages/radio.scm
@@ -527,7 +527,7 @@ used by RDS Spy, and audio files containing @dfn{multiplex} 
signals (MPX).")
        ("python-pygobject" ,python-pygobject)
        ("python-pyqt" ,python-pyqt)
        ("python-pyyaml" ,python-pyyaml)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qwt" ,qwt)
        ("sdl" ,sdl)
        ("volk" ,volk)
@@ -797,7 +797,7 @@ to the fix block above.
        ("log4cpp" ,log4cpp)
        ("portaudio" ,portaudio)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("volk" ,volk)))
     (arguments
@@ -1091,7 +1091,7 @@ users.")
        ("fftwf" ,fftwf)
        ("hamlib" ,wsjtx-hamlib)
        ("libusb" ,libusb)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("qtserialport" ,qtserialport)))
     (arguments
@@ -1150,7 +1150,7 @@ weak-signal conditions.")
        ("fftwf" ,fftwf)
        ("hamlib" ,wsjtx-hamlib)
        ("libusb" ,libusb)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("qtserialport" ,qtserialport)))
     (arguments
@@ -1403,7 +1403,7 @@ NanoVNA vector network analyzers.")
        ("hamlib" ,hamlib)
        ("openjpeg" ,openjpeg)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("v4l-utils" ,v4l-utils)))
     (arguments
      `(#:tests? #f  ; No test suite.
@@ -1512,7 +1512,7 @@ methods:
      `(("alsa-lib" ,alsa-lib)
        ("ncurses" ,ncurses)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      `(#:configure-flags '("--disable-static")
        #:phases
@@ -1641,7 +1641,7 @@ Compatible hardware/software:
        ("libpcap" ,libpcap)
        ("opus" ,opus)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtwebkit" ,qtwebkit)
        ("qwt" ,qwt)
@@ -1713,7 +1713,7 @@ receiver.")
        ("libusb" ,libusb)
        ("mpg123" ,mpg123)
        ("rtl-sdr" ,rtl-sdr)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtcharts" ,qtcharts)
        ("qtdeclarative" ,qtdeclarative)
        ("qtgraphicaleffects" ,qtgraphicaleffects)
@@ -1949,7 +1949,7 @@ voice formats.")
        ("opencv" ,opencv)
        ("opus" ,opus)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtcharts" ,qtcharts)
        ("qtdeclarative" ,qtdeclarative)
        ("qtlocation" ,qtlocation)
@@ -2005,7 +2005,7 @@ various hardware.")
     (inputs
      `(("fftwf" ,fftwf)
        ("liquid-dsp" ,liquid-dsp)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://github.com/miek/inspectrum";)
     (synopsis "Radio signal analyser")
     (description
@@ -2029,7 +2029,7 @@ software-defined radio receivers.")
     (build-system qt-build-system)
     (inputs
      `(("qcustomplot" ,qcustomplot)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("qtserialport" ,qtserialport)))
     (arguments
diff --git a/gnu/packages/robotics.scm b/gnu/packages/robotics.scm
index fbf10be..87dcc6f 100644
--- a/gnu/packages/robotics.scm
+++ b/gnu/packages/robotics.scm
@@ -57,7 +57,7 @@
        `(("sdl2" ,sdl2)))
       (propagated-inputs
        ;; 'Viewer.h' includes 'QGLWidget'.
-       `(("qtbase" ,qtbase)                ;the viewer module needs Qt5 + MESA
+       `(("qtbase" ,qtbase-5)                ;the viewer module needs Qt5 + 
MESA
          ("mesa" ,mesa)))
       (synopsis "Robot simulator")
       (description
@@ -107,7 +107,7 @@ hundred times faster than real-time.")
        `(("dashel" ,dashel)
          ("enki" ,enki)
          ("protobuf" ,protobuf-3.5)               ;for logging
-         ("qtbase" ,qtbase)
+         ("qtbase" ,qtbase-5)
          ("qtsvg" ,qtsvg)
          ("qttools" ,qttools)              ;for libQt5Help, needed by "studio"
          ("qtwebkit" ,qtwebkit)
diff --git a/gnu/packages/scribus.scm b/gnu/packages/scribus.scm
index 1a267be..a937273 100644
--- a/gnu/packages/scribus.scm
+++ b/gnu/packages/scribus.scm
@@ -87,7 +87,7 @@
        ("podofo" ,podofo)
        ("poppler" ,poppler)
        ("python" ,python)               ; need Python library
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("zlib" ,zlib)))
     (native-inputs
diff --git a/gnu/packages/sync.scm b/gnu/packages/sync.scm
index 2b64117..c85b4f8 100644
--- a/gnu/packages/sync.scm
+++ b/gnu/packages/sync.scm
@@ -192,7 +192,7 @@
        ("libzip" ,libzip)
        ("openssl" ,openssl)
        ("python-nautilus" ,python-nautilus)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtgraphicaleffects" ,qtgraphicaleffects)
        ("qtkeychain" ,qtkeychain)
@@ -352,7 +352,7 @@ See also: megacmd, the official tool set by MEGA.")
        ("pkg-config" ,pkg-config)
        ("qtlinguist" ,qttools)))
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtkeychain" ,qtkeychain)
        ("sqlite" ,sqlite)
        ("zlib" ,zlib)))
@@ -397,7 +397,7 @@ silently and reliably flow across to every other.")
                #t))))
        #:tests? #f)) ; no test target
     (inputs
-     `(("qtbase" ,qtbase)
+     `(("qtbase" ,qtbase-5)
        ("qtwebkit" ,qtwebkit)))
     (home-page "https://github.com/sieren/QSyncthingTray";)
     (synopsis "Traybar Application for Syncthing")
diff --git a/gnu/packages/syndication.scm b/gnu/packages/syndication.scm
index 9d4325f..4d7d803 100644
--- a/gnu/packages/syndication.scm
+++ b/gnu/packages/syndication.scm
@@ -569,7 +569,7 @@ formats, including all versions of RSS and Atom.")
        ("qttools" ,qttools)))
     (inputs
      `(("qtwebkit" ,qtwebkit)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("phonon" ,phonon)
        ("sqlite" ,sqlite)))
diff --git a/gnu/packages/synergy.scm b/gnu/packages/synergy.scm
index 1f8f8f3..b241d29 100644
--- a/gnu/packages/synergy.scm
+++ b/gnu/packages/synergy.scm
@@ -82,7 +82,7 @@
        ("libxi"   ,libxi)
        ("libx11"  ,libx11)
        ("libxtst" ,libxtst)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://symless.com/synergy";)
     (synopsis "Mouse and keyboard sharing utility")
     (description
diff --git a/gnu/packages/telegram.scm b/gnu/packages/telegram.scm
index 6f77482..a1822b3 100644
--- a/gnu/packages/telegram.scm
+++ b/gnu/packages/telegram.scm
@@ -538,7 +538,7 @@ Telegram project, for its use in telegram desktop client.")
        ("opus" ,opus)
        ("pulseaudio" ,pulseaudio)
        ("qrcodegen" ,qrcodegen-cpp)
-       ("qt" ,qtbase)
+       ("qt" ,qtbase-5)
        ("qt5ct" ,qt5ct)
        ("qtimageformats" ,qtimageformats)
        ("qtwayland" ,qtwayland)
diff --git a/gnu/packages/telephony.scm b/gnu/packages/telephony.scm
index 9d81848..f75a168 100644
--- a/gnu/packages/telephony.scm
+++ b/gnu/packages/telephony.scm
@@ -643,7 +643,7 @@ address of one of the participants.")
        ("opus" ,opus) ; avoid bundled
        ("protobuf" ,protobuf)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("speech-dispatcher" ,speech-dispatcher)
        ("speex" ,speex) ; avoid bundled
@@ -705,7 +705,7 @@ Mumble consists of two applications for separate usage:
        ("libilbc" ,libilbc)
        ("libsndfile" ,libsndfile)
        ("libxml2" ,libxml2)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtquickcontrols" ,qtquickcontrols)
        ("readline" ,readline)
diff --git a/gnu/packages/terminals.scm b/gnu/packages/terminals.scm
index 06ace5e..9377e56 100644
--- a/gnu/packages/terminals.scm
+++ b/gnu/packages/terminals.scm
@@ -645,7 +645,7 @@ embedded kernel situations.")
                     #t))))
       (build-system gnu-build-system)
       (inputs
-       `(("qtbase" ,qtbase)
+       `(("qtbase" ,qtbase-5)
          ("qtdeclarative" ,qtdeclarative)
          ("qtgraphicaleffects" ,qtgraphicaleffects)
          ("qtquickcontrols" ,qtquickcontrols)))
diff --git a/gnu/packages/tex.scm b/gnu/packages/tex.scm
index b9eeb0e..da19a57 100644
--- a/gnu/packages/tex.scm
+++ b/gnu/packages/tex.scm
@@ -6500,7 +6500,7 @@ PDF documents.")
                        "texmaker.pro")))))))
     (inputs
      `(("poppler-qt5" ,poppler-qt5)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtscript" ,qtscript)
        ("qtwebkit" ,qtwebkit)
        ("zlib" ,zlib)))
@@ -6606,7 +6606,7 @@ and Karl Berry.")
        ("libx11" ,libx11)
        ("mythes" ,mythes)
        ("python" ,python)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("zlib" ,zlib)))
     (propagated-inputs
diff --git a/gnu/packages/text-editors.scm b/gnu/packages/text-editors.scm
index 0b6a4cd..06ae653 100644
--- a/gnu/packages/text-editors.scm
+++ b/gnu/packages/text-editors.scm
@@ -650,7 +650,7 @@ scripts/input/X11/C/Shell/HTML/Dired): 49KB.
        ("qttools" ,qttools)))           ; for lrelease
     (inputs
      `(("hunspell" ,hunspell)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtmultimedia" ,qtmultimedia)
        ("qtquickcontrols" ,qtquickcontrols)
@@ -856,7 +856,7 @@ editors.")
        ("guile" ,guile-1.8)
        ("perl" ,perl)
        ("python" ,python-wrapper)
-       ("qt" ,qtbase)
+       ("qt" ,qtbase-5)
        ("qtsvg" ,qtsvg)))
     (arguments
      `(#:tests? #f                      ; no check target
diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
index e4ff86c..8596706 100644
--- a/gnu/packages/video.scm
+++ b/gnu/packages/video.scm
@@ -559,7 +559,7 @@ applications by providing high-level classes for commonly 
required tasks.")
     (inputs
      `(;; XXX: Build fails with libvideogfx.
        ;; ("libvideogfx" ,libvideogfx)
-       ("qt" ,qtbase)
+       ("qt" ,qtbase-5)
        ("sdl" ,sdl)))
     (synopsis "H.265 video codec implementation")
     (description "Libde265 is an implementation of the h.265 video codec.  It 
is
@@ -926,7 +926,7 @@ H.264 (MPEG-4 AVC) video streams.")
        ("lzo" ,lzo)
        ("pcre2" ,pcre2)
        ("pugixml" ,pugixml)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("utfcpp" ,utfcpp)
        ("zlib" ,zlib)))
@@ -1839,7 +1839,7 @@ videoformats depend on the configuration flags of 
ffmpeg.")
        ("pulseaudio" ,pulseaudio)
        ("protobuf" ,protobuf)
        ("python" ,python-wrapper)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)
        ("samba" ,samba)
@@ -2731,7 +2731,7 @@ for use with HTML5 video.")
        ("libvpx" ,libvpx)
        ("libxv" ,libxv)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("sqlite" ,sqlite)
        ("zlib" ,zlib)))
     (arguments
@@ -3021,7 +3021,7 @@ from sites like Twitch.tv and pipes them into a video 
player of choice.")
        ("rubberband" ,rubberband)
        ("libsamplerate" ,libsamplerate)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("sdl" ,sdl)
        ("sox" ,sox)))
@@ -3091,7 +3091,7 @@ tools, XML authoring components, and an extensible 
plug-in based API.")
        ("glu" ,glu)
        ("libjpeg" ,libjpeg-turbo)
        ("libx11" ,libx11)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("eudev" ,eudev)))
     (synopsis "Realtime video capture utilities for Linux")
     (description "The v4l-utils provide a series of libraries and utilities to
@@ -3155,7 +3155,7 @@ be used for realtime video capture via Linux-specific 
APIs.")
        ("mbedtls" ,mbedtls-apache)
        ("mesa" ,mesa)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtsvg" ,qtsvg)
        ("qtx11extras" ,qtx11extras)
        ("speexdsp" ,speexdsp)
@@ -3230,7 +3230,7 @@ OBS audio sources.")
              #t)))))
     (inputs
      `(("obs" ,obs)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://github.com/Palakis/obs-websocket";)
     (synopsis "OBS plugin for remote control via WebSockets")
     (description "This OBS plugin allows you to establish a WebSocket channel
@@ -3422,7 +3422,7 @@ making @dfn{screencasts}.")
        ("libxi" ,libxi)
        ("libxinerama" ,libxinerama)
        ("pulseaudio" ,pulseaudio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)))
     (native-inputs `(("pkg-config" ,pkg-config)))
     (arguments
@@ -4502,7 +4502,7 @@ create smoother and stable videos.")
        ("imagemagick" ,imagemagick)
        ("jsoncpp" ,jsoncpp)
        ("libopenshot-audio" ,libopenshot-audio)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtmultimedia" ,qtmultimedia)
        ("zeromq" ,zeromq)))
     (arguments
diff --git a/gnu/packages/web-browsers.scm b/gnu/packages/web-browsers.scm
index 26b41bb..9f4cc79 100644
--- a/gnu/packages/web-browsers.scm
+++ b/gnu/packages/web-browsers.scm
@@ -472,7 +472,7 @@ access.")
          ("font-google-noto" ,font-google-noto)
          ("font-openmoji" ,font-openmoji)
          ("openssl" ,openssl)
-         ("qtbase" ,qtbase)
+         ("qtbase" ,qtbase-5)
          ("qtmultimedia" ,qtmultimedia)
          ("qtsvg" ,qtsvg)))
       (home-page "https://kristall.random-projects.net";)
diff --git a/gnu/packages/web.scm b/gnu/packages/web.scm
index 31c78fc..d1f1d0f 100644
--- a/gnu/packages/web.scm
+++ b/gnu/packages/web.scm
@@ -237,7 +237,7 @@
              #t)))))
     (inputs
      `(("http-parser" ,http-parser)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (home-page "https://github.com/azadkuh/qhttp/";)
     (synopsis "Qt-based HTTP Library")
     (description
@@ -1125,7 +1125,7 @@ project)
          (add-before 'check 'render-offscreen
            (lambda _ (setenv "QT_QPA_PLATFORM" "offscreen") #t)))))
     (inputs
-     `(("qtbase" ,qtbase)))
+     `(("qtbase" ,qtbase-5)))
     (home-page "http://qjson.sourceforge.net";)
     (synopsis "Library that maps JSON data to QVariant objects")
     (description "QJson is a Qt-based library that maps JSON data to
@@ -1150,7 +1150,7 @@ instances, while JSON's objects will be mapped to 
@code{QVariantMap}.")
     (build-system gnu-build-system)
     (inputs
      `(("qca" ,qca)
-       ("qtbase" ,qtbase)))
+       ("qtbase" ,qtbase-5)))
     (arguments
      '(#:tests? #f                      ;FIXME: some tests are failing
        #:phases
@@ -8157,7 +8157,7 @@ It contains the code shared by all Kiwix ports.")
        ("libmicrohttpd" ,libmicrohttpd)
        ("libzim" ,libzim)
        ("pugixml" ,pugixml)
-       ("qtbase" ,qtbase)
+       ("qtbase" ,qtbase-5)
        ("qtdeclarative" ,qtdeclarative)
        ("qtwebchannel" ,qtwebchannel)
        ("qtwebengine" ,qtwebengine)
@@ -8166,7 +8166,7 @@ It contains the code shared by all Kiwix ports.")
        ("zstd" ,zstd "lib")))
     (native-inputs
      `(("pkg-config" ,pkg-config)
-       ("qmake" ,qtbase)))
+       ("qmake" ,qtbase-5)))
     (home-page "https://wiki.kiwix.org/wiki/Software";)
     (synopsis "Viewer and manager of ZIM files")
     (description "Kiwix Desktop allows you to enjoy a lot of different content
diff --git a/gnu/packages/xdisorg.scm b/gnu/packages/xdisorg.scm
index a956a2f..5f29ac9 100644
--- a/gnu/packages/xdisorg.scm
+++ b/gnu/packages/xdisorg.scm
@@ -319,7 +319,7 @@ with X11 or Wayland, or in a text terminal with ncurses.")
    `(#:configure-flags '("-DCMAKE_BUILD_TYPE=Release")
      #:tests? #f)) ; Test suite is a rather manual process.
   (inputs
-   `(("qtbase" ,qtbase)
+   `(("qtbase" ,qtbase-5)
      ("qtscript" ,qtscript)
      ("qtsvg" ,qtsvg)
      ("qtx11extras" ,qtx11extras)))
diff --git a/gnu/packages/xorg.scm b/gnu/packages/xorg.scm
index f593ee9..1b7468b 100644
--- a/gnu/packages/xorg.scm
+++ b/gnu/packages/xorg.scm
@@ -6518,7 +6518,7 @@ and embedded platforms.")
   (package/inherit uim
     (name "uim-qt")
     (inputs
-     `(("qt" ,qtbase)
+     `(("qt" ,qtbase-5)
        ("qtx11extras" ,qtx11extras)
        ,@(package-inputs uim)))
     (arguments



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