Merge pull request #97242 from ttuegel/qt-5.15

Qt 5.15.0

nixos/modules/services/x11/desktop-managers/plasma5.nix

···
   xcfg = config.services.xserver;
   cfg = xcfg.desktopManager.plasma5;
 
-  inherit (pkgs) kdeApplications plasma5 libsForQt5 qt5;
+  inherit (pkgs) kdeApplications plasma5;
+  libsForQt5 = pkgs.libsForQt514;
   inherit (pkgs) writeText;
 
   pulseaudio = config.hardware.pulseaudio;

pkgs/applications/graphics/ktikz/default.nix

···
 { stdenv, fetchFromGitHub, fetchpatch
 , pkgconfig, wrapQtAppsHook
-, poppler, qt5, gnuplot
+, poppler, gnuplot
+, qmake, qtbase, qttools
 }:
 
 # This package only builds ktikz without KDE integration because KDE4 is
···
     })
   ];
 
-  nativeBuildInputs = [ pkgconfig qt5.qttools qt5.qmake wrapQtAppsHook ];
-  QT_PLUGIN_PATH = "${qt5.qtbase}/${qt5.qtbase.qtPluginPrefix}";
+  nativeBuildInputs = [ pkgconfig qttools qmake wrapQtAppsHook ];
+  QT_PLUGIN_PATH = "${qtbase}/${qtbase.qtPluginPrefix}";
 
-  buildInputs = [ qt5.qtbase poppler ];
+  buildInputs = [ qtbase poppler ];
   enableParallelBuilding = true;
 
   qmakeFlags = [

pkgs/applications/misc/tipp10/default.nix

···
 
 mkDerivation rec {
   pname = "tipp10";
-  version = "3.2.0";
+  version = "unstable-20200616";
 
   src = fetchFromGitLab {
     owner = "tipp10";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "0fav5jlw6lw78iqrj7a65b8vd50hhyyaqyzmfrvyxirpsqhjk1v7";
+    repo = "tipp10";
+    rev = "2dd6d45c8a91cff7075675d8875721456cdd5f1b";
+    sha256 = "16x51rv4r6cz5vsmrfbakqzbfxy456h82ibzacknp35f41cjdqq4";
   };
 
   nativeBuildInputs = [ cmake qttools ];

pkgs/applications/networking/instant-messengers/psi-plus/default.nix

···
 { stdenv, fetchFromGitHub, cmake, wrapQtAppsHook
 , qtbase, qtmultimedia, qtx11extras, qttools, qtwebengine
-, libidn, qca2-qt5, libsecret, libXScrnSaver, hunspell
+, libidn, qca-qt5, libsecret, libXScrnSaver, hunspell
 , libgcrypt, libotr, html-tidy, libgpgerror, libsignal-protocol-c
 }:
 
···
 
   buildInputs = [
     qtbase qtmultimedia qtx11extras qttools qtwebengine
-    libidn qca2-qt5 libsecret libXScrnSaver hunspell
+    libidn qca-qt5 libsecret libXScrnSaver hunspell
     libgcrypt libotr html-tidy libgpgerror libsignal-protocol-c
   ];
 

pkgs/applications/networking/instant-messengers/psi/default.nix

···
 { stdenv, fetchFromGitHub, cmake, wrapQtAppsHook
 , qtbase, qtmultimedia, qtx11extras, qttools, qtwebengine
-, libidn, qca2-qt5, libXScrnSaver, hunspell
+, libidn, qca-qt5, libXScrnSaver, hunspell
 }:
 stdenv.mkDerivation rec {
   pname = "psi";
···
   nativeBuildInputs = [ cmake wrapQtAppsHook ];
   buildInputs = [
     qtbase qtmultimedia qtx11extras qttools qtwebengine
-    libidn qca2-qt5 libXScrnSaver hunspell
+    libidn qca-qt5 libXScrnSaver hunspell
   ];
   enableParallelBuilding = true;
   meta = with stdenv.lib; {

pkgs/applications/networking/instant-messengers/telegram/kotatogram-desktop/default.nix

···
 { mkDerivation, lib, fetchFromGitHub, pkg-config, python3, cmake, ninja
-, qtbase, qtimageformats, libsForQt5, hunspell, xdg_utils, ffmpeg_3, openalSoft
+, qtbase, qtimageformats, libdbusmenu, hunspell, xdg_utils, ffmpeg_3, openalSoft
 , lzma, lz4, xxHash, zlib, minizip, openssl, libtgvoip, microsoft_gsl, tl-expected
 , range-v3
 }:
···
   nativeBuildInputs = [ pkg-config python3 cmake ninja ];
 
   buildInputs = [
-    qtbase qtimageformats ffmpeg_3 openalSoft lzma lz4 xxHash libsForQt5.libdbusmenu
+    qtbase qtimageformats ffmpeg_3 openalSoft lzma lz4 xxHash libdbusmenu
     zlib minizip openssl hunspell libtgvoip microsoft_gsl tl-expected range-v3
   ];
 

pkgs/applications/video/obs-studio/obs-ndi.nix

···
 # mkdir -p ~/.config/obs-studio/plugins/bin
 # ln -s ~/.nix-profile/lib/obs-plugins/obs-ndi.so ~/.config/obs-studio/plugins/bin/
 
-{ stdenv, fetchFromGitHub, obs-studio, cmake, qt5, ndi }:
+{ stdenv, fetchFromGitHub, obs-studio, cmake, qtbase, ndi }:
 
 stdenv.mkDerivation rec {
   pname = "obs-ndi";
   version = "4.7.1";
 
   nativeBuildInputs = [ cmake ];
-  buildInputs = [ obs-studio qt5.qtbase ndi ];
+  buildInputs = [ obs-studio qtbase ndi ];
 
   src = fetchFromGitHub {
     owner = "Palakis";

pkgs/applications/video/vlc/default.nix

···
     homepage = "http://www.videolan.org/vlc/";
     license = licenses.lgpl21Plus;
     platforms = platforms.linux;
+    broken = versionAtLeast qtbase.version "5.15";
   };
 }

pkgs/desktops/lxqt/default.nix

···
-{ pkgs, makeScope, libsForQt5 }:
+{ pkgs, makeScope, libsForQt5, qt5 }:
 let
   packages = self: with self; {
 
···
 
     preRequisitePackages = [
       pkgs.gvfs # virtual file systems support for PCManFM-QT
-      pkgs.libsForQt5.kwindowsystem # provides some QT5 plugins needed by lxqt-panel
-      pkgs.libsForQt5.libkscreen # provides plugins for screen management software
+      libsForQt5.kwindowsystem # provides some QT5 plugins needed by lxqt-panel
+      libsForQt5.libkscreen # provides plugins for screen management software
       pkgs.libfm
       pkgs.libfm-extra
       pkgs.lxmenu-data
       pkgs.menu-cache
       pkgs.openbox # default window manager
-      pkgs.qt5.qtsvg # provides QT5 plugins for svg icons
+      qt5.qtsvg # provides QT5 plugins for svg icons
     ];
 
     corePackages = [

pkgs/desktops/plasma-5/default.nix

···
   };
 
   mkDerivation = libsForQt5.callPackage ({ mkDerivation }: mkDerivation) {};
+  qtbase = libsForQt5.callPackage ({ qtbase }: qtbase) {};
 
   packages = self: with self;
     let
···
             setupHook = args.setupHook or defaultSetupHook;
 
             meta = {
+              broken = lib.versionAtLeast qtbase.version "5.15";
               license = with lib.licenses; [
                 lgpl21Plus lgpl3Plus bsd2 mit gpl2Plus gpl3Plus fdl12
               ];
···
       systemsettings = callPackage ./systemsettings.nix {};
       user-manager = callPackage ./user-manager.nix {};
       xdg-desktop-portal-kde = callPackage ./xdg-desktop-portal-kde.nix {};
+
+      thirdParty = let inherit (libsForQt5) callPackage; in {
+        plasma-applet-caffeine-plus = callPackage ./3rdparty/addons/caffeine-plus.nix { };
+        kwin-dynamic-workspaces = callPackage ./3rdparty/kwin/scripts/dynamic-workspaces.nix { };
+        kwin-tiling = callPackage ./3rdparty/kwin/scripts/tiling.nix { };
+        krohnkite = callPackage ./3rdparty/kwin/scripts/krohnkite.nix { };
+      };
+
     };
 in
 lib.makeScope libsForQt5.newScope packages

pkgs/development/libraries/dxflib/default.nix

···
 { stdenv
 , fetchurl
-, qt5
+, qmake
 }:
 
 stdenv.mkDerivation rec {
···
     sha256 = "09yjgzh8677pzkkr7a59pql5d11451c22pxksk2my30mapxsri96";
   };
   nativeBuildInputs = [
-    qt5.qmake
+    qmake
   ];
   preConfigure = ''
     sed -i 's/CONFIG += staticlib/CONFIG += shared/' dxflib.pro
···
     description = ''DXF file format library'';
   };
 }
-

pkgs/development/libraries/herqq/default.nix

···
-{ stdenv, qt5, unzip, fetchFromGitHub, qtmultimedia }:
+{ stdenv, unzip, fetchFromGitHub, qmake, qtmultimedia, qtbase }:
 
 stdenv.mkDerivation rec {
   version = "2.1.0";
   pname = "herqq";
 
-  nativeBuildInputs = [ qt5.qmake ];
-  buildInputs = [ qt5.qtbase unzip qtmultimedia ];
+  nativeBuildInputs = [ qmake ];
+  buildInputs = [ qtbase unzip qtmultimedia ];
   preConfigure = "cd herqq";
 
   src = fetchFromGitHub {

pkgs/development/libraries/mlt/qt-5.nix

···
     license = licenses.gpl3;
     maintainers = [ maintainers.goibhniu ];
     platforms = platforms.linux;
+    broken = versionAtLeast qtbase.version "5.15";
   };
 }

pkgs/development/libraries/pcl/default.nix

···
 
   meta = {
     homepage = "http://pointclouds.org/";
+    broken = stdenv.lib.versionAtLeast qtbase.version "5.15";
     description = "Open project for 2D/3D image and point cloud processing";
     license = stdenv.lib.licenses.bsd3;
     maintainers = with stdenv.lib.maintainers; [viric];

pkgs/development/libraries/plasma-wayland-protocols/default.nix

···
     description = "Plasma Wayland Protocols";
     license = lib.licenses.lgpl21Plus;
     platforms = qtbase.meta.platforms;
+    maintainers = [ lib.maintainers.ttuegel ];
   };
 }

pkgs/development/libraries/qoauth/default.nix

···
-{ stdenv, fetchurl, qt5, qca2-qt5 }:
+{ stdenv, fetchurl, qtbase, qmake, qca-qt5 }:
 
 stdenv.mkDerivation {
   name = "qoauth-2.0.0";
···
         -e '/features.path =/ s|$$\[QMAKE_MKSPECS\]|$$NIX_OUTPUT_DEV/mkspecs|'
   '';
 
-  buildInputs = [ qt5.qtbase qca2-qt5 ];
-  nativeBuildInputs = [ qt5.qmake ];
+  buildInputs = [ qtbase qca-qt5 ];
+  nativeBuildInputs = [ qmake ];
 
-  NIX_CFLAGS_COMPILE = "-I${qca2-qt5}/include/Qca-qt5/QtCrypto";
+  NIX_CFLAGS_COMPILE = "-I${qca-qt5}/include/Qca-qt5/QtCrypto";
   NIX_LDFLAGS = "-lqca-qt5";
 
   meta = with stdenv.lib; {
     description = "Qt library for OAuth authentication";
-    inherit (qt5.qtbase.meta) platforms;
+    inherit (qtbase.meta) platforms;
     license = licenses.lgpl21;
   };
 }

pkgs/development/libraries/qt-5/5.15/default.nix

···
+/*
+
+# Updates
+
+Before a major version update, make a copy of this directory. (We like to
+keep the old version around for a short time after major updates.) Add a
+top-level attribute to `top-level/all-packages.nix`.
+
+1. Update the URL in `pkgs/development/libraries/qt-5/$VERSION/fetch.sh`.
+2. From the top of the Nixpkgs tree, run
+   `./maintainers/scripts/fetch-kde-qt.sh > pkgs/development/libraries/qt-5/$VERSION/srcs.nix`.
+3. Check that the new packages build correctly.
+4. Commit the changes and open a pull request.
+
+*/
+
+{
+  newScope,
+  stdenv, fetchurl, fetchpatch, fetchFromGitHub, makeSetupHook, makeWrapper,
+  bison, cups ? null, harfbuzz, libGL, perl,
+  gstreamer, gst-plugins-base, gtk3, dconf,
+  llvmPackages_5,
+
+  # options
+  developerBuild ? false,
+  decryptSslTraffic ? false,
+  debug ? false,
+}:
+
+with stdenv.lib;
+
+let
+
+  qtCompatVersion = srcs.qtbase.version;
+
+  stdenvActual = if stdenv.cc.isClang then llvmPackages_5.stdenv else stdenv;
+
+  mirror = "https://download.qt.io";
+  srcs = import ./srcs.nix { inherit fetchurl; inherit mirror; } // {
+    # qtwebkit does not have an official release tarball on the qt mirror and is
+    # mostly maintained by the community.
+    qtwebkit = rec {
+      src = fetchFromGitHub {
+        owner = "qt";
+        repo = "qtwebkit";
+        rev = "v${version}";
+        sha256 = "0x8rng96h19xirn7qkz3lydal6v4vn00bcl0s3brz36dfs0z8wpg";
+      };
+      version = "5.212.0-alpha4";
+    };
+  };
+
+  patches = {
+    qtbase =
+      optionals stdenv.isDarwin [
+        ./qtbase.patch.d/0001-qtbase-mkspecs-mac.patch
+        ./qtbase.patch.d/0002-qtbase-mac.patch
+      ]
+      ++ [
+        ./qtbase.patch.d/0003-qtbase-mkspecs.patch
+        ./qtbase.patch.d/0004-qtbase-replace-libdir.patch
+        ./qtbase.patch.d/0005-qtbase-cmake.patch
+        ./qtbase.patch.d/0006-qtbase-gtk3.patch
+        ./qtbase.patch.d/0007-qtbase-xcursor.patch
+        ./qtbase.patch.d/0008-qtbase-tzdir.patch
+        ./qtbase.patch.d/0009-qtbase-qtpluginpath.patch
+        ./qtbase.patch.d/0010-qtbase-assert.patch
+        ./qtbase.patch.d/0011-fix-header_module.patch
+      ];
+    qtdeclarative = [ ./qtdeclarative.patch ];
+    qtscript = [ ./qtscript.patch ];
+    qtserialport = [ ./qtserialport.patch ];
+    qtwebengine = [ ]
+      ++ optional stdenv.isDarwin ./qtwebengine-darwin-no-platform-check.patch;
+    qtwebkit = [ ./qtwebkit.patch ]
+      ++ optionals stdenv.isDarwin [
+        ./qtwebkit-darwin-no-readline.patch
+        ./qtwebkit-darwin-no-qos-classes.patch
+      ];
+    qttools = [ ./qttools.patch ];
+  };
+
+  qtModule =
+    import ../qtModule.nix
+    {
+      inherit perl;
+      inherit (stdenv) lib;
+      # Use a variant of mkDerivation that does not include wrapQtApplications
+      # to avoid cyclic dependencies between Qt modules.
+      mkDerivation =
+        import ../mkDerivation.nix
+        { inherit (stdenv) lib; inherit debug; wrapQtAppsHook = null; }
+        stdenvActual.mkDerivation;
+    }
+    { inherit self srcs patches; };
+
+  addPackages = self: with self;
+    let
+      callPackage = self.newScope { inherit qtCompatVersion qtModule srcs; };
+    in {
+
+      mkDerivationWith =
+        import ../mkDerivation.nix
+        { inherit (stdenv) lib; inherit debug; inherit (self) wrapQtAppsHook; };
+
+      mkDerivation = mkDerivationWith stdenvActual.mkDerivation;
+
+      qtbase = callPackage ../modules/qtbase.nix {
+        inherit (srcs.qtbase) src version;
+        patches = patches.qtbase;
+        inherit bison cups harfbuzz libGL;
+        withGtk3 = true; inherit dconf gtk3;
+        inherit developerBuild decryptSslTraffic;
+      };
+
+      qtcharts = callPackage ../modules/qtcharts.nix {};
+      qtconnectivity = callPackage ../modules/qtconnectivity.nix {};
+      qtdeclarative = callPackage ../modules/qtdeclarative.nix {};
+      qtdoc = callPackage ../modules/qtdoc.nix {};
+      qtgraphicaleffects = callPackage ../modules/qtgraphicaleffects.nix {};
+      qtimageformats = callPackage ../modules/qtimageformats.nix {};
+      qtlocation = callPackage ../modules/qtlocation.nix {};
+      qtmacextras = callPackage ../modules/qtmacextras.nix {};
+      qtmultimedia = callPackage ../modules/qtmultimedia.nix {
+        inherit gstreamer gst-plugins-base;
+      };
+      qtnetworkauth = callPackage ../modules/qtnetworkauth.nix {};
+      qtquick1 = null;
+      qtquickcontrols = callPackage ../modules/qtquickcontrols.nix {};
+      qtquickcontrols2 = callPackage ../modules/qtquickcontrols2.nix {};
+      qtscript = callPackage ../modules/qtscript.nix {};
+      qtsensors = callPackage ../modules/qtsensors.nix {};
+      qtserialport = callPackage ../modules/qtserialport.nix {};
+      qtspeech = callPackage ../modules/qtspeech.nix {};
+      qtsvg = callPackage ../modules/qtsvg.nix {};
+      qtscxml = callPackage ../modules/qtscxml.nix {};
+      qttools = callPackage ../modules/qttools.nix {};
+      qttranslations = callPackage ../modules/qttranslations.nix {};
+      qtvirtualkeyboard = callPackage ../modules/qtvirtualkeyboard.nix {};
+      qtwayland = callPackage ../modules/qtwayland.nix {};
+      qtwebchannel = callPackage ../modules/qtwebchannel.nix {};
+      qtwebengine = callPackage ../modules/qtwebengine.nix {};
+      qtwebglplugin = callPackage ../modules/qtwebglplugin.nix {};
+      qtwebkit = callPackage ../modules/qtwebkit.nix {};
+      qtwebsockets = callPackage ../modules/qtwebsockets.nix {};
+      qtwebview = callPackage ../modules/qtwebview.nix {};
+      qtx11extras = callPackage ../modules/qtx11extras.nix {};
+      qtxmlpatterns = callPackage ../modules/qtxmlpatterns.nix {};
+
+      env = callPackage ../qt-env.nix {};
+      full = env "qt-full-${qtbase.version}" ([
+        qtcharts qtconnectivity qtdeclarative qtdoc qtgraphicaleffects
+        qtimageformats qtlocation qtmultimedia qtquickcontrols qtquickcontrols2
+        qtscript qtsensors qtserialport qtsvg qttools qttranslations
+        qtvirtualkeyboard qtwebchannel qtwebengine qtwebkit qtwebsockets
+        qtwebview qtx11extras qtxmlpatterns
+      ] ++ optional (!stdenv.isDarwin) qtwayland
+        ++ optional (stdenv.isDarwin) qtmacextras);
+
+      qmake = makeSetupHook {
+        deps = [ self.qtbase.dev ];
+        substitutions = {
+          fix_qmake_libtool = ../hooks/fix-qmake-libtool.sh;
+        };
+      } ../hooks/qmake-hook.sh;
+
+      wrapQtAppsHook = makeSetupHook {
+        deps =
+          [ self.qtbase.dev makeWrapper ]
+          ++ optional stdenv.isLinux self.qtwayland.dev;
+      } ../hooks/wrap-qt-apps-hook.sh;
+    };
+
+   self = makeScope newScope addPackages;
+
+in self

pkgs/development/libraries/qt-5/5.15/fetch.sh

···
+WGET_ARGS=( http://download.qt.io/official_releases/qt/5.15/5.15.0/submodules/ )

pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch

···
+From 5ec1d1009d9943f20e82ffc087deabb31d447e75 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Milan=20P=C3=A4ssler?= <[e-mail]>
+Date: Fri, 3 Apr 2020 21:07:58 +0200
+Subject: [PATCH 01/11] qtbase-mkspecs-mac
+
+---
+ mkspecs/common/mac.conf               |   2 +-
+ mkspecs/features/mac/default_post.prf | 206 --------------------------
+ mkspecs/features/mac/default_pre.prf  |  58 --------
+ mkspecs/features/mac/sdk.mk           |  25 ----
+ mkspecs/features/mac/sdk.prf          |  61 --------
+ 5 files changed, 1 insertion(+), 351 deletions(-)
+ delete mode 100644 mkspecs/features/mac/sdk.mk
+ delete mode 100644 mkspecs/features/mac/sdk.prf
+
+diff --git a/mkspecs/common/mac.conf b/mkspecs/common/mac.conf
+index 61bea952b2..9909dae726 100644
+--- a/mkspecs/common/mac.conf
++++ b/mkspecs/common/mac.conf
+@@ -23,7 +23,7 @@ QMAKE_INCDIR_OPENGL     = \
+ 
+ QMAKE_FIX_RPATH         = install_name_tool -id
+ 
+-QMAKE_LFLAGS_RPATH      = -Wl,-rpath,
++QMAKE_LFLAGS_RPATH      =
+ QMAKE_LFLAGS_GCSECTIONS = -Wl,-dead_strip
+ 
+ QMAKE_LFLAGS_REL_RPATH  =
+diff --git a/mkspecs/features/mac/default_post.prf b/mkspecs/features/mac/default_post.prf
+index 92a9112bca..b80ec1e801 100644
+--- a/mkspecs/features/mac/default_post.prf
++++ b/mkspecs/features/mac/default_post.prf
+@@ -68,212 +68,6 @@ qt {
+     }
+ }
+ 
+-# Add the same default rpaths as Xcode does for new projects.
+-# This is especially important for iOS/tvOS/watchOS where no other option is possible.
+-!no_default_rpath {
+-    uikit: QMAKE_RPATHDIR += @executable_path/Frameworks
+-    else: QMAKE_RPATHDIR += @executable_path/../Frameworks
+-    equals(TEMPLATE, lib):!plugin:lib_bundle: QMAKE_RPATHDIR += @loader_path/Frameworks
+-}
+-
+-# Don't pass -headerpad_max_install_names when using Bitcode.
+-# In that case the linker emits a warning stating that the flag is ignored when
+-# used with bitcode, for reasons that cannot be determined (rdar://problem/20748962).
+-# Using this flag is also unnecessary in practice on UIKit platforms since they
+-# are sandboxed, and only UIKit platforms support bitcode to begin with.
+-!bitcode: QMAKE_LFLAGS += $$QMAKE_LFLAGS_HEADERPAD
+-
+-app_extension_api_only {
+-    QMAKE_CFLAGS              += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_CXXFLAGS            += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_CXXFLAGS_PRECOMPILE += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-    QMAKE_LFLAGS              += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-}
+-
+-macx-xcode {
+-    qmake_pkginfo_typeinfo.name = QMAKE_PKGINFO_TYPEINFO
+-    !isEmpty(QMAKE_PKGINFO_TYPEINFO): \
+-        qmake_pkginfo_typeinfo.value = $$QMAKE_PKGINFO_TYPEINFO
+-    else: \
+-        qmake_pkginfo_typeinfo.value = "????"
+-    QMAKE_MAC_XCODE_SETTINGS += qmake_pkginfo_typeinfo
+-
+-    bundle_version = $$VERSION
+-    isEmpty(bundle_version): bundle_version = 1.0.0
+-
+-    l = $$split(bundle_version, '.') 0 0  # make sure there are at least three
+-    VER_MAJ = $$member(l, 0, 0)
+-    VER_MIN = $$member(l, 1, 1)
+-    VER_PAT = $$member(l, 2, 2)
+-    unset(l)
+-
+-    qmake_full_version.name = QMAKE_FULL_VERSION
+-    qmake_full_version.value = $${VER_MAJ}.$${VER_MIN}.$${VER_PAT}
+-    QMAKE_MAC_XCODE_SETTINGS += qmake_full_version
+-
+-    qmake_short_version.name = QMAKE_SHORT_VERSION
+-    qmake_short_version.value = $${VER_MAJ}.$${VER_MIN}
+-    QMAKE_MAC_XCODE_SETTINGS += qmake_short_version
+-
+-    !isEmpty(QMAKE_XCODE_DEBUG_INFORMATION_FORMAT) {
+-        debug_information_format.name = DEBUG_INFORMATION_FORMAT
+-        debug_information_format.value = $$QMAKE_XCODE_DEBUG_INFORMATION_FORMAT
+-        debug_information_format.build = debug
+-        QMAKE_MAC_XCODE_SETTINGS += debug_information_format
+-    }
+-
+-    QMAKE_XCODE_ARCHS =
+-
+-    arch_device.name = "ARCHS[sdk=$${device.sdk}*]"
+-    arch_device.value = $$QMAKE_APPLE_DEVICE_ARCHS
+-    QMAKE_XCODE_ARCHS += $$QMAKE_APPLE_DEVICE_ARCHS
+-    QMAKE_MAC_XCODE_SETTINGS += arch_device
+-
+-    simulator {
+-        arch_simulator.name = "ARCHS[sdk=$${simulator.sdk}*]"
+-        arch_simulator.value = $$QMAKE_APPLE_SIMULATOR_ARCHS
+-        QMAKE_XCODE_ARCHS += $$QMAKE_APPLE_SIMULATOR_ARCHS
+-        QMAKE_MAC_XCODE_SETTINGS += arch_simulator
+-    }
+-
+-    only_active_arch.name = ONLY_ACTIVE_ARCH
+-    only_active_arch.value = YES
+-    only_active_arch.build = debug
+-    QMAKE_MAC_XCODE_SETTINGS += only_active_arch
+-} else {
+-    device|!simulator: VALID_DEVICE_ARCHS = $$QMAKE_APPLE_DEVICE_ARCHS
+-    simulator: VALID_SIMULATOR_ARCHS = $$QMAKE_APPLE_SIMULATOR_ARCHS
+-    VALID_ARCHS = $$VALID_DEVICE_ARCHS $$VALID_SIMULATOR_ARCHS
+-
+-    isEmpty(VALID_ARCHS): \
+-        error("QMAKE_APPLE_DEVICE_ARCHS or QMAKE_APPLE_SIMULATOR_ARCHS must contain at least one architecture")
+-
+-    single_arch: VALID_ARCHS = $$first(VALID_ARCHS)
+-
+-    ACTIVE_ARCHS = $(filter $(EXPORT_VALID_ARCHS), $(ARCHS))
+-    ARCH_ARGS = $(foreach arch, $(if $(EXPORT_ACTIVE_ARCHS), $(EXPORT_ACTIVE_ARCHS), $(EXPORT_VALID_ARCHS)), -arch $(arch))
+-
+-    QMAKE_EXTRA_VARIABLES += VALID_ARCHS ACTIVE_ARCHS ARCH_ARGS
+-
+-    arch_flags = $(EXPORT_ARCH_ARGS)
+-
+-    QMAKE_CFLAGS += $$arch_flags
+-    QMAKE_CXXFLAGS += $$arch_flags
+-    QMAKE_LFLAGS += $$arch_flags
+-
+-    QMAKE_PCH_ARCHS = $$VALID_ARCHS
+-
+-    macos: deployment_target = $$QMAKE_MACOSX_DEPLOYMENT_TARGET
+-    ios: deployment_target = $$QMAKE_IOS_DEPLOYMENT_TARGET
+-    tvos: deployment_target = $$QMAKE_TVOS_DEPLOYMENT_TARGET
+-    watchos: deployment_target = $$QMAKE_WATCHOS_DEPLOYMENT_TARGET
+-
+-    # If we're doing a simulator and device build, device and simulator
+-    # architectures use different paths and flags for the sysroot and
+-    # deployment target switch, so we must multiplex them across multiple
+-    # architectures using -Xarch. Otherwise we fall back to the simple path.
+-    # This is not strictly necessary, but results in cleaner command lines
+-    # and makes it easier for people to override EXPORT_VALID_ARCHS to limit
+-    # individual rules to a different set of architecture(s) from the overall
+-    # build (such as machtest in QtCore).
+-    simulator:device {
+-        QMAKE_XARCH_CFLAGS =
+-        QMAKE_XARCH_LFLAGS =
+-        QMAKE_EXTRA_VARIABLES += QMAKE_XARCH_CFLAGS QMAKE_XARCH_LFLAGS
+-
+-        for (arch, VALID_ARCHS) {
+-            contains(VALID_SIMULATOR_ARCHS, $$arch) {
+-                sdk = $$simulator.sdk
+-                version_identifier = $$simulator.deployment_identifier
+-            } else {
+-                sdk = $$device.sdk
+-                version_identifier = $$device.deployment_identifier
+-            }
+-
+-            version_min_flags = \
+-                -Xarch_$${arch} \
+-                -m$${version_identifier}-version-min=$$deployment_target
+-            QMAKE_XARCH_CFLAGS_$${arch} = $$version_min_flags \
+-                -Xarch_$${arch} \
+-                -isysroot$$xcodeSDKInfo(Path, $$sdk)
+-            QMAKE_XARCH_LFLAGS_$${arch} = $$version_min_flags \
+-                -Xarch_$${arch} \
+-                -isysroot$$xcodeSDKInfo(Path, $$sdk)
+-
+-            QMAKE_XARCH_CFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS_$${arch})
+-            QMAKE_XARCH_LFLAGS += $(EXPORT_QMAKE_XARCH_LFLAGS_$${arch})
+-
+-            QMAKE_EXTRA_VARIABLES += \
+-                QMAKE_XARCH_CFLAGS_$${arch} \
+-                QMAKE_XARCH_LFLAGS_$${arch}
+-        }
+-
+-        QMAKE_CFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS)
+-        QMAKE_CXXFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS)
+-        QMAKE_LFLAGS += $(EXPORT_QMAKE_XARCH_LFLAGS)
+-    } else {
+-        simulator {
+-            version_identifier = $$simulator.deployment_identifier
+-            sysroot_path  = $$xcodeSDKInfo(Path, $$simulator.sdk)
+-        } else {
+-            version_identifier = $$device.deployment_identifier
+-            sysroot_path  = $$xcodeSDKInfo(Path, $$device.sdk)
+-        }
+-        version_min_flag = -m$${version_identifier}-version-min=$$deployment_target
+-        QMAKE_CFLAGS += -isysroot $$sysroot_path $$version_min_flag
+-        QMAKE_CXXFLAGS += -isysroot $$sysroot_path $$version_min_flag
+-        QMAKE_LFLAGS += -isysroot $$sysroot_path $$version_min_flag
+-    }
+-
+-    # Enable precompiled headers for multiple architectures
+-    QMAKE_CFLAGS_USE_PRECOMPILE =
+-    for (arch, VALID_ARCHS) {
+-        icc_pch_style: \
+-            use_flag = "-pch-use "
+-        else: \
+-            use_flag = -include
+-
+-        # Only use Xarch with multi-arch, as the option confuses ccache
+-        count(VALID_ARCHS, 1, greaterThan): \
+-            QMAKE_CFLAGS_USE_PRECOMPILE += \
+-                -Xarch_$${arch}
+-
+-        QMAKE_CFLAGS_USE_PRECOMPILE += \
+-            $${use_flag}${QMAKE_PCH_OUTPUT_$${arch}}
+-    }
+-    icc_pch_style {
+-        QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE -include ${QMAKE_PCH_INPUT}
+-        QMAKE_CFLAGS_USE_PRECOMPILE =
+-    } else {
+-        QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-        QMAKE_OBJCFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-        QMAKE_OBJCXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+-    }
+-
+-    QMAKE_PCH_OUTPUT_EXT = _${QMAKE_PCH_ARCH}$${QMAKE_PCH_OUTPUT_EXT}
+-}
+-
+-!equals(sdk_version, $$QMAKE_MAC_SDK_VERSION) {
+-    # Explicit SDK version has been set, respect that
+-    QMAKE_LFLAGS += -Wl,-sdk_version -Wl,$$sdk_version
+-}
+-
+-cache(QMAKE_XCODE_DEVELOPER_PATH, stash)
+-!isEmpty(QMAKE_XCODE_VERSION): \
+-    cache(QMAKE_XCODE_VERSION, stash)
+-
+-QMAKE_XCODE_LIBRARY_SUFFIX = $$qtPlatformTargetSuffix()
+-
+-xcode_product_bundle_identifier_setting.name = PRODUCT_BUNDLE_IDENTIFIER
+-xcode_product_bundle_identifier_setting.value = $$QMAKE_TARGET_BUNDLE_PREFIX
+-isEmpty(xcode_product_bundle_identifier_setting.value): \
+-    xcode_product_bundle_identifier_setting.value = "com.yourcompany"
+-xcode_product_bundle_target = $$QMAKE_BUNDLE
+-isEmpty(xcode_product_bundle_target): \
+-    xcode_product_bundle_target = ${PRODUCT_NAME:rfc1034identifier}
+-xcode_product_bundle_identifier_setting.value = "$${xcode_product_bundle_identifier_setting.value}.$${xcode_product_bundle_target}"
+-QMAKE_MAC_XCODE_SETTINGS += xcode_product_bundle_identifier_setting
+-
+ !macx-xcode {
+     generate_xcode_project.commands = @$(QMAKE) -spec macx-xcode \"$(EXPORT__PRO_FILE_)\" $$QMAKE_ARGS
+     generate_xcode_project.target = xcodeproj
+diff --git a/mkspecs/features/mac/default_pre.prf b/mkspecs/features/mac/default_pre.prf
+index e3534561a5..3b01424e67 100644
+--- a/mkspecs/features/mac/default_pre.prf
++++ b/mkspecs/features/mac/default_pre.prf
+@@ -1,60 +1,2 @@
+ CONFIG = asset_catalogs rez $$CONFIG
+ load(default_pre)
+-
+-isEmpty(QMAKE_XCODE_DEVELOPER_PATH) {
+-    # Get path of Xcode's Developer directory
+-    QMAKE_XCODE_DEVELOPER_PATH = $$system("/usr/bin/xcode-select --print-path 2>/dev/null")
+-    isEmpty(QMAKE_XCODE_DEVELOPER_PATH): \
+-        error("Xcode path is not set. Please use xcode-select to choose Xcode installation path.")
+-
+-    # Make sure Xcode path is valid
+-    !exists($$QMAKE_XCODE_DEVELOPER_PATH): \
+-        error("Xcode is not installed in $${QMAKE_XCODE_DEVELOPER_PATH}. Please use xcode-select to choose Xcode installation path.")
+-}
+-
+-isEmpty(QMAKE_XCODEBUILD_PATH): \
+-    QMAKE_XCODEBUILD_PATH = $$system("/usr/bin/xcrun -find xcodebuild 2>/dev/null")
+-
+-!isEmpty(QMAKE_XCODEBUILD_PATH) {
+-    # Make sure Xcode is set up properly
+-    !system("/usr/bin/xcrun xcodebuild -license check 2>/dev/null"): \
+-        error("Xcode not set up properly. You need to confirm the license agreement by running 'sudo xcrun xcodebuild -license accept'.")
+-
+-    isEmpty(QMAKE_XCODE_VERSION) {
+-        # Extract Xcode version using xcodebuild
+-        xcode_version = $$system("/usr/bin/xcrun xcodebuild -version")
+-        QMAKE_XCODE_VERSION = $$member(xcode_version, 1)
+-        isEmpty(QMAKE_XCODE_VERSION): error("Could not resolve Xcode version.")
+-        unset(xcode_version)
+-    }
+-}
+-
+-isEmpty(QMAKE_TARGET_BUNDLE_PREFIX) {
+-    QMAKE_XCODE_PREFERENCES_FILE = $$(HOME)/Library/Preferences/com.apple.dt.Xcode.plist
+-    exists($$QMAKE_XCODE_PREFERENCES_FILE): \
+-        QMAKE_TARGET_BUNDLE_PREFIX = $$system("/usr/libexec/PlistBuddy -c 'print IDETemplateOptions:bundleIdentifierPrefix' $$QMAKE_XCODE_PREFERENCES_FILE 2>/dev/null")
+-
+-    !isEmpty(_QMAKE_CACHE_):!isEmpty(QMAKE_TARGET_BUNDLE_PREFIX): \
+-        cache(QMAKE_TARGET_BUNDLE_PREFIX)
+-}
+-
+-QMAKE_ASSET_CATALOGS_APP_ICON = AppIcon
+-
+-# Make the default debug info format for static debug builds
+-# DWARF instead of DWARF with dSYM. This cuts down build times
+-# for application debug builds significantly, as Xcode doesn't
+-# have to pull out all the DWARF info from the Qt static libs
+-# and put it into a dSYM file. We don't need that dSYM file in
+-# the first place, since the information is available in the
+-# object files inside the archives (static libraries).
+-macx-xcode:qtConfig(static): \
+-    QMAKE_XCODE_DEBUG_INFORMATION_FORMAT = dwarf
+-
+-# This variable is used by the xcode_dynamic_library_suffix
+-# feature, which allows Xcode to choose the Qt libraries to link to
+-# at build time, depending on the current Xcode SDK and configuration.
+-QMAKE_XCODE_LIBRARY_SUFFIX_SETTING = QT_LIBRARY_SUFFIX
+-
+-xcode_copy_phase_strip_setting.name = COPY_PHASE_STRIP
+-xcode_copy_phase_strip_setting.value = NO
+-QMAKE_MAC_XCODE_SETTINGS += xcode_copy_phase_strip_setting
+diff --git a/mkspecs/features/mac/sdk.mk b/mkspecs/features/mac/sdk.mk
+deleted file mode 100644
+index c40f58c987..0000000000
+--- a/mkspecs/features/mac/sdk.mk
++++ /dev/null
+@@ -1,25 +0,0 @@
+-
+-ifeq ($(QT_MAC_SDK_NO_VERSION_CHECK),)
+-    CHECK_SDK_COMMAND = /usr/bin/xcrun --sdk $(EXPORT_QMAKE_MAC_SDK) -show-sdk-version 2>&1
+-    CURRENT_MAC_SDK_VERSION := $(shell DEVELOPER_DIR=$(EXPORT_QMAKE_XCODE_DEVELOPER_PATH) $(CHECK_SDK_COMMAND))
+-    ifneq ($(CURRENT_MAC_SDK_VERSION),$(EXPORT_QMAKE_MAC_SDK_VERSION))
+-        # We don't want to complain about out of date SDK unless the target needs to be remade.
+-        # This covers use-cases such as running 'make check' after moving the build to a
+-        # computer without Xcode or with a different Xcode version.
+-        TARGET_UP_TO_DATE := $(shell QT_MAC_SDK_NO_VERSION_CHECK=1 $(MAKE) --question $(QMAKE_TARGET) && echo 1 || echo 0)
+-        ifeq ($(TARGET_UP_TO_DATE),0)
+-            ifneq ($(findstring missing DEVELOPER_DIR path,$(CURRENT_MAC_SDK_VERSION)),)
+-                $(info The developer dir $(EXPORT_QMAKE_XCODE_DEVELOPER_PATH) is no longer valid.)
+-            else ifneq ($(findstring SDK "$(EXPORT_QMAKE_MAC_SDK)" cannot be located,$(CURRENT_MAC_SDK_VERSION)),)
+-                $(info The developer dir $(EXPORT_QMAKE_XCODE_DEVELOPER_PATH) no longer contains the $(EXPORT_QMAKE_MAC_SDK_VERSION) platform SDK.)
+-            else ifneq ($(CURRENT_MAC_SDK_VERSION),)
+-                $(info The platform SDK has been changed from version $(EXPORT_QMAKE_MAC_SDK_VERSION) to version $(CURRENT_MAC_SDK_VERSION).)
+-            else
+-                $(info Unknown error resolving current platform SDK version.)
+-            endif
+-            $(info This requires a fresh build. Please wipe the build directory completely,)
+-            $(info including any .qmake.stash and .qmake.cache files generated by qmake.)
+-            $(error ^)
+-        endif
+-    endif
+-endif
+diff --git a/mkspecs/features/mac/sdk.prf b/mkspecs/features/mac/sdk.prf
+deleted file mode 100644
+index 3a9c2778bb..0000000000
+--- a/mkspecs/features/mac/sdk.prf
++++ /dev/null
+@@ -1,61 +0,0 @@
+-
+-isEmpty(QMAKE_MAC_SDK): \
+-    error("QMAKE_MAC_SDK must be set when using CONFIG += sdk.")
+-
+-contains(QMAKE_MAC_SDK, .*/.*): \
+-    error("QMAKE_MAC_SDK can only contain short-form SDK names (eg. macosx, iphoneos)")
+-
+-defineReplace(xcodeSDKInfo) {
+-    info = $$1
+-    equals(info, "Path"): \
+-        infoarg = --show-sdk-path
+-    equals(info, "PlatformPath"): \
+-        infoarg = --show-sdk-platform-path
+-    equals(info, "SDKVersion"): \
+-        infoarg = --show-sdk-version
+-    sdk = $$2
+-    isEmpty(sdk): \
+-        sdk = $$QMAKE_MAC_SDK
+-
+-    isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}) {
+-        QMAKE_MAC_SDK.$${sdk}.$${info} = $$system("/usr/bin/xcrun --sdk $$sdk $$infoarg 2>/dev/null")
+-        # --show-sdk-platform-path won't work for Command Line Tools; this is fine
+-        # only used by the XCTest backend to testlib
+-        isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}):if(!isEmpty(QMAKE_XCODEBUILD_PATH)|!equals(infoarg, "--show-sdk-platform-path")): \
+-            error("Could not resolve SDK $$info for \'$$sdk\' using $$infoarg")
+-        cache(QMAKE_MAC_SDK.$${sdk}.$${info}, set stash, QMAKE_MAC_SDK.$${sdk}.$${info})
+-    }
+-
+-    return($$eval(QMAKE_MAC_SDK.$${sdk}.$${info}))
+-}
+-
+-QMAKE_MAC_SDK_PATH = $$xcodeSDKInfo(Path)
+-QMAKE_MAC_SDK_PLATFORM_PATH = $$xcodeSDKInfo(PlatformPath)
+-QMAKE_MAC_SDK_VERSION = $$xcodeSDKInfo(SDKVersion)
+-
+-isEmpty(QMAKE_EXPORT_INCDIR_OPENGL) {
+-    QMAKE_EXPORT_INCDIR_OPENGL = $$QMAKE_INCDIR_OPENGL
+-    sysrootified =
+-    for(val, QMAKE_INCDIR_OPENGL): sysrootified += $${QMAKE_MAC_SDK_PATH}$$val
+-    QMAKE_INCDIR_OPENGL = $$sysrootified
+-}
+-
+-QMAKESPEC_NAME = $$basename(QMAKESPEC)
+-
+-# Resolve SDK version of various tools
+-for(tool, $$list(QMAKE_CC QMAKE_CXX QMAKE_FIX_RPATH QMAKE_AR QMAKE_RANLIB QMAKE_LINK QMAKE_LINK_SHLIB QMAKE_ACTOOL QMAKE_LINK_C QMAKE_LINK_C_SHLIB)) {
+-    tool_variable = QMAKE_MAC_SDK.$${QMAKESPEC_NAME}.$${QMAKE_MAC_SDK}.$${tool}
+-    !isEmpty($$tool_variable) {
+-        $$tool = $$eval($$tool_variable)
+-        next()
+-    }
+-
+-    value = $$eval($$tool)
+-    isEmpty(value): next()
+-
+-    sysrooted = $$system("/usr/bin/xcrun -sdk $$QMAKE_MAC_SDK -find $$first(value) 2>/dev/null")
+-    isEmpty(sysrooted): next()
+-
+-    $$tool = $$sysrooted $$member(value, 1, -1)
+-    cache($$tool_variable, set stash, $$tool)
+-}
+-- 
+2.25.4
+

pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0002-qtbase-mac.patch

···
+From a9ba67d3db7390d9ddc46751346e70b0a522711a Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Milan=20P=C3=A4ssler?= <[e-mail]>
+Date: Fri, 3 Apr 2020 21:15:27 +0200
+Subject: [PATCH 02/11] qtbase-mac
+
+---
+ src/corelib/kernel/qcore_mac_p.h | 16 ++++++++++++++--
+ src/testlib/qappletestlogger.cpp |  2 +-
+ src/testlib/qappletestlogger_p.h |  2 +-
+ src/testlib/qtestcase.cpp        |  2 +-
+ src/testlib/qtestlog.cpp         |  2 +-
+ src/testlib/qtestlog_p.h         |  4 ++--
+ 6 files changed, 20 insertions(+), 8 deletions(-)
+
+diff --git a/src/corelib/kernel/qcore_mac_p.h b/src/corelib/kernel/qcore_mac_p.h
+index 535d3579b2..3d70bf39c1 100644
+--- a/src/corelib/kernel/qcore_mac_p.h
++++ b/src/corelib/kernel/qcore_mac_p.h
+@@ -225,7 +225,7 @@ private:
+ 
+ // --------------------------------------------------------------------------
+ 
+-#if !defined(QT_BOOTSTRAPPED)
++#if 0
+ 
+ QT_END_NAMESPACE
+ #include <os/activity.h>
+@@ -303,7 +303,19 @@ QT_MAC_WEAK_IMPORT(_os_activity_current);
+ 
+ #define QT_APPLE_SCOPED_LOG_ACTIVITY(...) QAppleLogActivity scopedLogActivity = QT_APPLE_LOG_ACTIVITY(__VA_ARGS__).enter();
+ 
+-#endif // !defined(QT_BOOTSTRAPPED)
++#else // !defined(QT_BOOTSTRAPPED)
++
++#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT3(...)
++#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT2(...)
++#define QT_APPLE_LOG_ACTIVITY_WITH_PARENT(...)
++
++#define QT_APPLE_LOG_ACTIVITY2(...)
++#define QT_APPLE_LOG_ACTIVITY1(...)
++#define QT_APPLE_LOG_ACTIVITY(...)
++
++#define QT_APPLE_SCOPED_LOG_ACTIVITY(...)
++
++#endif
+ 
+ // -------------------------------------------------------------------------
+ 
+diff --git a/src/testlib/qappletestlogger.cpp b/src/testlib/qappletestlogger.cpp
+index dfeadebdef..2a74330c1d 100644
+--- a/src/testlib/qappletestlogger.cpp
++++ b/src/testlib/qappletestlogger.cpp
+@@ -43,7 +43,7 @@
+ 
+ QT_BEGIN_NAMESPACE
+ 
+-#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
++#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
+ 
+ using namespace QTestPrivate;
+ 
+diff --git a/src/testlib/qappletestlogger_p.h b/src/testlib/qappletestlogger_p.h
+index 62c6d95c5a..f8e0a3b767 100644
+--- a/src/testlib/qappletestlogger_p.h
++++ b/src/testlib/qappletestlogger_p.h
+@@ -57,7 +57,7 @@
+ 
+ QT_BEGIN_NAMESPACE
+ 
+-#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
++#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
+ class QAppleTestLogger : public QAbstractTestLogger
+ {
+ public:
+diff --git a/src/testlib/qtestcase.cpp b/src/testlib/qtestcase.cpp
+index f45999c7fa..d5b525dc12 100644
+--- a/src/testlib/qtestcase.cpp
++++ b/src/testlib/qtestcase.cpp
+@@ -849,7 +849,7 @@ Q_TESTLIB_EXPORT void qtest_qParseArgs(int argc, const char *const argv[], bool
+ 
+     bool addFallbackLogger = !explicitLoggerRequested;
+ 
+-#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
++#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
+     // Any explicitly requested loggers will be added by now, so we can check if they use stdout
+     const bool safeToAddAppleLogger = !AppleUnifiedLogger::willMirrorToStderr() || !QTestLog::loggerUsingStdout();
+     if (safeToAddAppleLogger && QAppleTestLogger::debugLoggingEnabled()) {
+diff --git a/src/testlib/qtestlog.cpp b/src/testlib/qtestlog.cpp
+index a388780532..63ab965101 100644
+--- a/src/testlib/qtestlog.cpp
++++ b/src/testlib/qtestlog.cpp
+@@ -465,7 +465,7 @@ void QTestLog::addLogger(LogMode mode, const char *filename)
+     case QTestLog::TAP:
+         logger = new QTapTestLogger(filename);
+         break;
+-#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
++#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
+     case QTestLog::Apple:
+         logger = new QAppleTestLogger;
+         break;
+diff --git a/src/testlib/qtestlog_p.h b/src/testlib/qtestlog_p.h
+index ddaf14ed9b..0c49c93a88 100644
+--- a/src/testlib/qtestlog_p.h
++++ b/src/testlib/qtestlog_p.h
+@@ -74,8 +74,8 @@ public:
+     Q_DISABLE_COPY_MOVE(QTestLog)
+ 
+     enum LogMode {
+-        Plain = 0, XML, LightXML, JUnitXML, CSV, TeamCity, TAP
+-#if defined(QT_USE_APPLE_UNIFIED_LOGGING)
++        Plain = 0, XML, LightXML, XunitXML, CSV, TeamCity, TAP
++#if defined(QT_USE_APPLE_UNIFIED_LOGGING) && 0
+         , Apple
+ #endif
+ #if defined(HAVE_XCTEST)
+-- 
+2.25.4
+

pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0003-qtbase-mkspecs.patch

···
+From 82771c437957b3684ce296997d795432756aa8b1 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Milan=20P=C3=A4ssler?= <[e-mail]>
+Date: Sat, 4 Apr 2020 00:25:52 +0200
+Subject: [PATCH 03/11] qtbase-mkspecs
+
+---
+ mkspecs/features/create_cmake.prf             | 51 +++---------
+ .../data/cmake/Qt5BasicConfig.cmake.in        | 80 +------------------
+ mkspecs/features/qml_module.prf               |  2 +-
+ mkspecs/features/qml_plugin.prf               |  2 +-
+ mkspecs/features/qt_app.prf                   |  2 +-
+ mkspecs/features/qt_build_paths.prf           |  4 +-
+ mkspecs/features/qt_docs.prf                  | 10 +--
+ mkspecs/features/qt_example_installs.prf      |  2 +-
+ mkspecs/features/qt_functions.prf             |  2 +-
+ mkspecs/features/qt_installs.prf              | 22 ++---
+ mkspecs/features/qt_plugin.prf                |  2 +-
+ 11 files changed, 38 insertions(+), 141 deletions(-)
+
+diff --git a/mkspecs/features/create_cmake.prf b/mkspecs/features/create_cmake.prf
+index 24ed125f12..f0666a1986 100644
+--- a/mkspecs/features/create_cmake.prf
++++ b/mkspecs/features/create_cmake.prf
+@@ -21,7 +21,7 @@ load(cmake_functions)
+ # at cmake time whether package has been found via a symlink, and correct
+ # that to an absolute path. This is only done for installations to
+ # the /usr or / prefix.
+-CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$[QT_INSTALL_LIBS])
++CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$NIX_OUTPUT_OUT/lib/)
+ contains(CMAKE_INSTALL_LIBS_DIR, ^(/usr)?/lib(64)?.*): CMAKE_USR_MOVE_WORKAROUND = $$CMAKE_INSTALL_LIBS_DIR
+ 
+ CMAKE_OUT_DIR = $$MODULE_BASE_OUTDIR/lib/cmake
+@@ -77,45 +77,20 @@ split_incpath {
+         $$cmake_extra_source_includes.output
+ }
+ 
+-CMAKE_INCLUDE_DIR = $$cmakeRelativePath($$[QT_INSTALL_HEADERS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_INCLUDE_DIR, "^\\.\\./.*") {
+-    CMAKE_INCLUDE_DIR = $$[QT_INSTALL_HEADERS]/
+-    CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_INCLUDE_DIR = $$NIX_OUTPUT_DEV/include/
++CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_LIB_DIR = $$cmakeRelativePath($$[QT_INSTALL_LIBS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_LIB_DIR,"^\\.\\./.*") {
+-    CMAKE_LIB_DIR = $$[QT_INSTALL_LIBS]/
+-    CMAKE_LIB_DIR_IS_ABSOLUTE = True
+-} else {
+-    CMAKE_RELATIVE_INSTALL_LIBS_DIR = $$cmakeRelativePath($$[QT_INSTALL_PREFIX], $$[QT_INSTALL_LIBS])
+-    # We need to go up another two levels because the CMake files are
+-    # installed in $${CMAKE_LIB_DIR}/cmake/Qt5$${CMAKE_MODULE_NAME}
+-    CMAKE_RELATIVE_INSTALL_DIR = "$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}../../"
+-}
++CMAKE_BIN_DIR = $$NIX_OUTPUT_BIN/bin/
++CMAKE_BIN_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_BIN_DIR = $$cmakeRelativePath($$[QT_HOST_BINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_BIN_DIR, "^\\.\\./.*") {
+-    CMAKE_BIN_DIR = $$[QT_HOST_BINS]/
+-    CMAKE_BIN_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_LIB_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_LIB_DIR_IS_ABSOLUTE = True
+ 
+-CMAKE_PLUGIN_DIR = $$cmakeRelativePath($$[QT_INSTALL_PLUGINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_PLUGIN_DIR, "^\\.\\./.*") {
+-    CMAKE_PLUGIN_DIR = $$[QT_INSTALL_PLUGINS]/
+-    CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_PLUGIN_DIR = $$NIX_OUTPUT_PLUGIN/
++CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
+ 
+-win32:!static:!staticlib {
+-    CMAKE_DLL_DIR = $$cmakeRelativePath($$[QT_INSTALL_BINS], $$[QT_INSTALL_PREFIX])
+-    contains(CMAKE_DLL_DIR, "^\\.\\./.*") {
+-        CMAKE_DLL_DIR = $$[QT_INSTALL_BINS]/
+-        CMAKE_DLL_DIR_IS_ABSOLUTE = True
+-    }
+-} else {
+-    CMAKE_DLL_DIR = $$CMAKE_LIB_DIR
+-    CMAKE_DLL_DIR_IS_ABSOLUTE = $$CMAKE_LIB_DIR_IS_ABSOLUTE
+-}
++CMAKE_DLL_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_DLL_DIR_IS_ABSOLUTE = True
+ 
+ static|staticlib:CMAKE_STATIC_TYPE = true
+ 
+@@ -258,7 +233,7 @@ contains(CONFIG, plugin) {
+ 
+     cmake_qt5_plugin_file.files = $$cmake_target_file.output
+     static|staticlib: cmake_qt5_plugin_file.files += $$cmake_qt5_plugin_import_file.output
+-    cmake_qt5_plugin_file.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++    cmake_qt5_plugin_file.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+     INSTALLS += cmake_qt5_plugin_file
+ 
+     return()
+@@ -400,7 +375,7 @@ exists($$cmake_macros_file.input) {
+     cmake_qt5_module_files.files += $$cmake_macros_file.output
+ }
+ 
+-cmake_qt5_module_files.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++cmake_qt5_module_files.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+ 
+ # We are generating cmake files. Most developers of Qt are not aware of cmake,
+ # so we require automatic tests to be available. The only module which should
+diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+index 309798a767..b6c3ab8609 100644
+--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+@@ -2,30 +2,6 @@ if (CMAKE_VERSION VERSION_LESS 3.1.0)
+     message(FATAL_ERROR \"Qt 5 $${CMAKE_MODULE_NAME} module requires at least CMake version 3.1.0\")
+ endif()
+ 
+-!!IF !isEmpty(CMAKE_USR_MOVE_WORKAROUND)
+-!!IF !isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ELSE
+-get_filename_component(_IMPORT_PREFIX \"${CMAKE_CURRENT_LIST_FILE}\" PATH)
+-# Use original install prefix when loaded through a
+-# cross-prefix symbolic link such as /lib -> /usr/lib.
+-get_filename_component(_realCurr \"${_IMPORT_PREFIX}\" REALPATH)
+-get_filename_component(_realOrig \"$$CMAKE_INSTALL_LIBS_DIR/cmake/Qt5$${CMAKE_MODULE_NAME}\" REALPATH)
+-if(_realCurr STREQUAL _realOrig)
+-    get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$CMAKE_INSTALL_LIBS_DIR/$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}\" ABSOLUTE)
+-else()
+-    get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-endif()
+-unset(_realOrig)
+-unset(_realCurr)
+-unset(_IMPORT_PREFIX)
+-!!ENDIF
+-!!ELIF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-!!ELSE
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ENDIF
+-
+ !!IF !equals(TEMPLATE, aux)
+ # For backwards compatibility only. Use Qt5$${CMAKE_MODULE_NAME}_VERSION instead.
+ set(Qt5$${CMAKE_MODULE_NAME}_VERSION_STRING "$$eval(QT.$${MODULE}.VERSION)")
+@@ -145,11 +121,7 @@ macro(_populate_$${CMAKE_MODULE_NAME}_target_properties Configuration LIB_LOCATI
+       IsDebugAndRelease)
+     set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ELSE
+     set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ENDIF
+     _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+     set(_deps
+         ${_Qt5$${CMAKE_MODULE_NAME}_LIB_DEPENDENCIES}
+@@ -209,11 +181,7 @@ macro(_populate_$${CMAKE_MODULE_NAME}_target_properties Configuration LIB_LOCATI
+ !!ENDIF
+ 
+ !!IF !isEmpty(CMAKE_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_implib \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ELSE
+     set(imported_implib \"IMPORTED_IMPLIB_${Configuration}\" \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ENDIF
+     _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_implib})
+     if(NOT \"${IMPLIB_LOCATION}\" STREQUAL \"\")
+         set_target_properties(Qt5::$${CMAKE_MODULE_NAME} PROPERTIES
+@@ -229,24 +197,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !no_module_headers
+ !!IF !isEmpty(CMAKE_BUILD_IS_FRAMEWORK)
+     set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS
+-      \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework\"
+-      \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Headers\"
++      \"$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework\"
++      \"$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Headers\"
+     )
+ !!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/\"
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+-    )
+-!!ELSE
+-    set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+-!!ENDIF
+-!!ELSE
+-!!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+-    set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR\" \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}\")
+-!!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+-    set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION\"
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION/$${MODULE_INCNAME}\"
++      \"$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Versions/$$section(VERSION, .,0, 0)/Headers/$$VERSION/\"
++      \"$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Versions/$$section(VERSION, .,0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+     )
+ !!ELSE
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+@@ -262,7 +219,6 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+     set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+ !!ENDIF
+ !!ENDIF
+-!!ENDIF
+ !!IF !isEmpty(CMAKE_ADD_SOURCE_INCLUDE_DIRS)
+     include(\"${CMAKE_CURRENT_LIST_DIR}/ExtraSourceIncludes.cmake\" OPTIONAL)
+ !!ENDIF
+@@ -499,25 +455,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_DEBUG_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+     if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" \"\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+     if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ELSE
+         \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ENDIF
+       AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE
+         \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+     endif()
+@@ -536,25 +480,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_RELEASE_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+     if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" \"\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+     if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ELSE
+         \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ENDIF
+       AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-        \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE
+         \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF
+         _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+     endif()
+@@ -581,11 +513,7 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+           IsDebugAndRelease)
+         set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-!!IF isEmpty(CMAKE_PLUGIN_DIR_IS_ABSOLUTE)
+-        set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ELSE
+         set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ENDIF
+         _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+         set_target_properties(Qt5::${Plugin} PROPERTIES
+             \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff --git a/mkspecs/features/qml_module.prf b/mkspecs/features/qml_module.prf
+index c0b50416c9..cabe39b22e 100644
+--- a/mkspecs/features/qml_module.prf
++++ b/mkspecs/features/qml_module.prf
+@@ -51,7 +51,7 @@ builtin_resources {
+ # Install rules
+ qmldir.base = $$qmldir_path
+ qmldir.files = $$qmldir_file
+-qmldir.path = $$[QT_INSTALL_QML]/$$TARGETPATH
++qmldir.path = $$NIX_OUTPUT_QML/$$TARGETPATH
+ 
+ qmlfiles.base = $$_PRO_FILE_PWD_
+ qmlfiles.files = $$fq_aux_qml_files
+diff --git a/mkspecs/features/qml_plugin.prf b/mkspecs/features/qml_plugin.prf
+index 1b67435787..24a1f78c17 100644
+--- a/mkspecs/features/qml_plugin.prf
++++ b/mkspecs/features/qml_plugin.prf
+@@ -50,7 +50,7 @@ load(qt_build_paths)
+ 
+ DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
+ 
+-target.path = $$[QT_INSTALL_QML]/$$TARGETPATH
++target.path = $$NIX_OUTPUT_QML/$$TARGETPATH
+ INSTALLS += target
+ 
+ # Some final setup
+diff --git a/mkspecs/features/qt_app.prf b/mkspecs/features/qt_app.prf
+index 8354f30eea..62028fef8e 100644
+--- a/mkspecs/features/qt_app.prf
++++ b/mkspecs/features/qt_app.prf
+@@ -30,7 +30,7 @@ host_build:force_bootstrap {
+     target.path = $$[QT_HOST_BINS]
+ } else {
+     !build_pass:qtConfig(debug_and_release): CONFIG += release
+-    target.path = $$[QT_INSTALL_BINS]
++    target.path = $$NIX_OUTPUT_BIN/bin
+     CONFIG += relative_qt_rpath  # Qt's tools and apps should be relocatable
+ }
+ INSTALLS += target
+diff --git a/mkspecs/features/qt_build_paths.prf b/mkspecs/features/qt_build_paths.prf
+index 3bb3823a8e..655b7b7db8 100644
+--- a/mkspecs/features/qt_build_paths.prf
++++ b/mkspecs/features/qt_build_paths.prf
+@@ -24,6 +24,6 @@ exists($$MODULE_BASE_INDIR/.git): \
+ !force_independent {
+     # If the module is not built independently, everything ends up in qtbase.
+     # This is the case in non-prefix builds, except for selected modules.
+-    MODULE_BASE_OUTDIR = $$[QT_HOST_PREFIX]
+-    MODULE_QMAKE_OUTDIR = $$[QT_HOST_PREFIX]
++    MODULE_BASE_OUTDIR = $$NIX_OUTPUT_OUT
++    MODULE_QMAKE_OUTDIR = $$NIX_OUTPUT_OUT
+ }
+diff --git a/mkspecs/features/qt_docs.prf b/mkspecs/features/qt_docs.prf
+index 095bf15dac..4cc977bea5 100644
+--- a/mkspecs/features/qt_docs.prf
++++ b/mkspecs/features/qt_docs.prf
+@@ -65,7 +65,7 @@ QMAKE_DOCS_OUTPUTDIR = $$QMAKE_DOCS_BASE_OUTDIR/$$QMAKE_DOCS_TARGETDIR
+ 
+ QDOC += -outputdir $$shell_quote($$QMAKE_DOCS_OUTPUTDIR)
+ !build_online_docs: \
+-    QDOC += -installdir $$shell_quote($$[QT_INSTALL_DOCS])
++    QDOC += -installdir $$shell_quote($$NIX_OUTPUT_DOC)
+ PREP_DOC_INDEXES =
+ DOC_INDEXES =
+ !isEmpty(QTREPOS) {
+@@ -84,8 +84,8 @@ DOC_INDEXES =
+         DOC_INDEXES += -indexdir $$shell_quote($$qrep/doc)
+ } else {
+     prepare_docs: \
+-        PREP_DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
+-    DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
++        PREP_DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
++    DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
+ }
+ 
+ qtattributionsscanner.target = qtattributionsscanner
+@@ -108,12 +108,12 @@ prepare_docs {
+     qch_docs.commands = $$QHELPGENERATOR $$shell_quote($$QMAKE_DOCS_OUTPUTDIR/$${QMAKE_DOCS_TARGET}.qhp) -o $$shell_quote($$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch)
+ 
+     inst_html_docs.files = $$QMAKE_DOCS_OUTPUTDIR
+-    inst_html_docs.path = $$[QT_INSTALL_DOCS]
++    inst_html_docs.path = $$NIX_OUTPUT_DOC
+     inst_html_docs.CONFIG += no_check_exist directory no_default_install no_build
+     INSTALLS += inst_html_docs
+ 
+     inst_qch_docs.files = $$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch
+-    inst_qch_docs.path = $$[QT_INSTALL_DOCS]
++    inst_qch_docs.path = $$NIX_OUTPUT_DOC
+     inst_qch_docs.CONFIG += no_check_exist no_default_install no_build
+     INSTALLS += inst_qch_docs
+ 
+diff --git a/mkspecs/features/qt_example_installs.prf b/mkspecs/features/qt_example_installs.prf
+index 15b373ba40..5c373fe1d5 100644
+--- a/mkspecs/features/qt_example_installs.prf
++++ b/mkspecs/features/qt_example_installs.prf
+@@ -91,7 +91,7 @@ sourcefiles += \
+     $$SOURCES $$HEADERS $$FORMS $$RESOURCES $$TRANSLATIONS \
+     $$DBUS_ADAPTORS $$DBUS_INTERFACES
+ addInstallFiles(sources.files, $$sourcefiles)
+-sources.path = $$[QT_INSTALL_EXAMPLES]/$$probase
++sources.path = $$NIX_OUTPUT_DEV/share/examples/$$probase
+ INSTALLS += sources
+ 
+ check_examples {
+diff --git a/mkspecs/features/qt_functions.prf b/mkspecs/features/qt_functions.prf
+index 7777e615bd..abeb03a663 100644
+--- a/mkspecs/features/qt_functions.prf
++++ b/mkspecs/features/qt_functions.prf
+@@ -87,7 +87,7 @@ defineTest(qtHaveModule) {
+ defineTest(qtPrepareTool) {
+     cmd = $$eval(QT_TOOL.$${2}.binary)
+     isEmpty(cmd) {
+-        cmd = $$[QT_HOST_BINS]/$$2
++        cmd = $$system("command -v $$2")
+         exists($${cmd}.pl) {
+             $${1}_EXE = $${cmd}.pl
+             cmd = perl -w $$system_path($${cmd}.pl)
+diff --git a/mkspecs/features/qt_installs.prf b/mkspecs/features/qt_installs.prf
+index 1ebca17366..a8f958eae8 100644
+--- a/mkspecs/features/qt_installs.prf
++++ b/mkspecs/features/qt_installs.prf
+@@ -12,16 +12,10 @@
+ #library
+ !qt_no_install_library {
+     win32 {
+-       host_build: \
+-           dlltarget.path = $$[QT_HOST_BINS]
+-       else: \
+-           dlltarget.path = $$[QT_INSTALL_BINS]
++       dlltarget.path = $$NIX_OUTPUT_BIN/bin
+        INSTALLS += dlltarget
+     }
+-    host_build: \
+-        target.path = $$[QT_HOST_LIBS]
+-    else: \
+-        target.path = $$[QT_INSTALL_LIBS]
++    target.path = $$NIX_OUTPUT_OUT/lib
+     !static: target.CONFIG = no_dll
+     INSTALLS += target
+ }
+@@ -29,35 +23,35 @@
+ #headers
+ qt_install_headers {
+     gen_headers.files = $$SYNCQT.GENERATED_HEADER_FILES
+-    gen_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++    gen_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+     INSTALLS += gen_headers
+ 
+     targ_headers.files = $$SYNCQT.HEADER_FILES $$SYNCQT.INJECTED_HEADER_FILES
+-    targ_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++    targ_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+     INSTALLS += targ_headers
+ 
+     private_headers.files = $$SYNCQT.PRIVATE_HEADER_FILES $$SYNCQT.INJECTED_PRIVATE_HEADER_FILES
+-    private_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
++    private_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
+     generated_privates: \
+         private_headers.CONFIG += no_check_exist
+     INSTALLS += private_headers
+ 
+     qpa_headers.files = $$SYNCQT.QPA_HEADER_FILES
+-    qpa_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
++    qpa_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
+     INSTALLS += qpa_headers
+ }
+ 
+ #module
+ qt_install_module {
+     !isEmpty(MODULE_PRI) {
+-        pritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++        pritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+         pritarget.files = $$MODULE_PRI
+         INSTALLS += pritarget
+     } else: isEmpty(MODULE_PRIVATE_PRI) {
+         warning("Project $$basename(_PRO_FILE_) is a module, but has not defined MODULE_PRI, which is required for Qt to expose the module to other projects.")
+     }
+     !isEmpty(MODULE_PRIVATE_PRI) {
+-        privpritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++        privpritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+         privpritarget.files = $$MODULE_PRIVATE_PRI
+         INSTALLS += privpritarget
+     }
+diff --git a/mkspecs/features/qt_plugin.prf b/mkspecs/features/qt_plugin.prf
+index 573d717eea..024c624cb6 100644
+--- a/mkspecs/features/qt_plugin.prf
++++ b/mkspecs/features/qt_plugin.prf
+@@ -88,7 +88,7 @@ CONFIG(static, static|shared)|prefix_build {
+     }
+ }
+ 
+-target.path = $$[QT_INSTALL_PLUGINS]/$$PLUGIN_TYPE
++target.path = $$NIX_OUTPUT_PLUGIN/$$PLUGIN_TYPE
+ INSTALLS += target
+ 
+ qt_libinfix_plugins: TARGET = $$TARGET$$QT_LIBINFIX
+-- 
+2.25.4
+

pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0004-qtbase-replace-libdir.patch

···
+From 30d3906ff5e8671e9c97c5336c6c549656c0e293 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Milan=20P=C3=A4ssler?= <[e-mail]>
+Date: Sat, 4 Apr 2020 00:27:41 +0200
+Subject: [PATCH 04/11] qtbase-replace-libdir
+
+---
+ mkspecs/features/qt_common.prf | 20 ++------------------
+ mkspecs/features/qt_module.prf |  5 +----
+ 2 files changed, 3 insertions(+), 22 deletions(-)
+
+diff --git a/mkspecs/features/qt_common.prf b/mkspecs/features/qt_common.prf
+index 8df94aa4ee..414029f31c 100644
+--- a/mkspecs/features/qt_common.prf
++++ b/mkspecs/features/qt_common.prf
+@@ -31,32 +31,16 @@ contains(TEMPLATE, .*lib)|contains(TEMPLATE, aux) {
+         rplbase = $$dirname(_QMAKE_SUPER_CACHE_)/[^/][^/]*
+     else: \
+         rplbase = $$MODULE_BASE_OUTDIR
+-    host_build {
+-        qqt_libdir = \$\$\$\$[QT_HOST_LIBS]
+-        qt_libdir = $$[QT_HOST_LIBS]
+-    } else {
+-        qqt_libdir = \$\$\$\$[QT_INSTALL_LIBS]
+-        qt_libdir = $$[QT_INSTALL_LIBS]
+-    }
++    qt_libdir = $$NIX_OUTPUT_OUT/lib
+     contains(QMAKE_DEFAULT_LIBDIRS, $$qt_libdir) {
+-        lib_replace0.match = $$rplbase/lib/
+-        lib_replace0.replace = $$qqt_libdir/
+-        lib_replace0.CONFIG = path
+-        QMAKE_PRL_INSTALL_REPLACE += lib_replace0
+         lib_replace.match = "[^ ']*$$rplbase/lib"
+         lib_replace.replace =
+     } else {
+         lib_replace.match = $$rplbase/lib
+-        lib_replace.replace = $$qqt_libdir
++        lib_replace.replace = $$qt_libdir
+     }
+     lib_replace.CONFIG = path
+     QMAKE_PRL_INSTALL_REPLACE += lib_replace
+-    !equals(qt_libdir, $$rplbase/lib) {
+-        qtlibdir_replace.match = $$qt_libdir
+-        qtlibdir_replace.replace = $$qqt_libdir
+-        qtlibdir_replace.CONFIG = path
+-        QMAKE_PRL_INSTALL_REPLACE += qtlibdir_replace
+-    }
+ }
+ contains(TEMPLATE, .*lib)|darwin {
+     if(!host_build|!cross_compile):qtConfig(reduce_exports): CONFIG += hide_symbols
+diff --git a/mkspecs/features/qt_module.prf b/mkspecs/features/qt_module.prf
+index 828a9621b9..b9e5d35026 100644
+--- a/mkspecs/features/qt_module.prf
++++ b/mkspecs/features/qt_module.prf
+@@ -305,10 +305,7 @@ load(qt_targets)
+ }
+ !lib_bundle:unix {
+     CONFIG += create_libtool
+-    host_build: \
+-        QMAKE_LIBTOOL_LIBDIR = $$[QT_HOST_LIBS]
+-    else: \
+-        QMAKE_LIBTOOL_LIBDIR = "=$$[QT_INSTALL_LIBS/raw]"
++    QMAKE_LIBTOOL_LIBDIR = $$NIX_OUTPUT_OUT/lib
+     !isEmpty(lib_replace0.match) {
+         ltlib_replace0.match = $$lib_replace0.match
+         ltlib_replace0.replace = $$QMAKE_LIBTOOL_LIBDIR/
+-- 
+2.25.4
+

pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0005-qtbase-cmake.patch

···
+From 7871fbcefc7596a458cec005edafd9d4962baea3 Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <[e-mail]>
+Date: Tue, 17 Sep 2019 05:34:28 -0500
+Subject: [PATCH 05/11] qtbase-cmake
+
+---
+ mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in  |  2 +-
+ mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in |  4 ++--
+ src/corelib/Qt5CoreConfigExtras.cmake.in             | 10 +++++-----
+ src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in    |  2 +-
+ .../Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in  |  2 +-
+ src/dbus/Qt5DBusConfigExtras.cmake.in                | 12 ++----------
+ src/gui/Qt5GuiConfigExtras.cmake.in                  |  6 +++---
+ src/widgets/Qt5WidgetsConfigExtras.cmake.in          |  2 +-
+ 8 files changed, 16 insertions(+), 24 deletions(-)
+
+diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+index b6c3ab8609..edb6a89316 100644
+--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+@@ -513,7 +513,7 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+           IsDebugAndRelease)
+         set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+-        set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
++        set(imported_location \"${PLUGIN_LOCATION}\")
+         _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+         set_target_properties(Qt5::${Plugin} PROPERTIES
+             \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff --git a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+index b550a52c60..dbd3243885 100644
+--- a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+@@ -53,10 +53,10 @@ set_property(TARGET Qt5::$$CMAKE_PLUGIN_NAME PROPERTY INTERFACE_SOURCES
+ !!ENDIF
+ 
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_LOCATION_RELEASE}\" $${CMAKE_DEBUG_AND_RELEASE})
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_RELEASE}\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ENDIF
+ !!IF !isEmpty(CMAKE_DEBUG_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_LOCATION_DEBUG}\" $${CMAKE_DEBUG_AND_RELEASE})
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_DEBUG}\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ENDIF
+ 
+ list(APPEND Qt5$${CMAKE_MODULE_NAME}_PLUGINS Qt5::$$CMAKE_PLUGIN_NAME)
+diff --git a/src/corelib/Qt5CoreConfigExtras.cmake.in b/src/corelib/Qt5CoreConfigExtras.cmake.in
+index 4c1c3a612b..bb8ab08143 100644
+--- a/src/corelib/Qt5CoreConfigExtras.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtras.cmake.in
+@@ -6,7 +6,7 @@ if (NOT TARGET Qt5::qmake)
+     add_executable(Qt5::qmake IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -21,7 +21,7 @@ if (NOT TARGET Qt5::moc)
+     add_executable(Qt5::moc IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -38,7 +38,7 @@ if (NOT TARGET Qt5::rcc)
+     add_executable(Qt5::rcc IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -121,7 +121,7 @@ if (NOT TARGET Qt5::WinMain)
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+     set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ENDIF
+@@ -135,7 +135,7 @@ if (NOT TARGET Qt5::WinMain)
+     set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+ 
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ENDIF
+diff --git a/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in b/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
+index c357237d0e..6f0c75de3c 100644
+--- a/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
+@@ -1,6 +1,6 @@
+ 
+ !!IF isEmpty(CMAKE_HOST_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_HOST_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff --git a/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in b/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
+index 706304cf34..546420f6ad 100644
+--- a/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
+@@ -1,6 +1,6 @@
+ 
+ !!IF isEmpty(CMAKE_INSTALL_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_INSTALL_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff --git a/src/dbus/Qt5DBusConfigExtras.cmake.in b/src/dbus/Qt5DBusConfigExtras.cmake.in
+index a814678f7b..b13b964ec8 100644
+--- a/src/dbus/Qt5DBusConfigExtras.cmake.in
++++ b/src/dbus/Qt5DBusConfigExtras.cmake.in
+@@ -2,11 +2,7 @@
+ if (NOT TARGET Qt5::qdbuscpp2xml)
+     add_executable(Qt5::qdbuscpp2xml IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+-    set(imported_location \"$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+     _qt5_DBus_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qdbuscpp2xml PROPERTIES
+@@ -17,11 +13,7 @@ endif()
+ if (NOT TARGET Qt5::qdbusxml2cpp)
+     add_executable(Qt5::qdbusxml2cpp IMPORTED)
+ 
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+-    set(imported_location \"$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++    set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+     _qt5_DBus_check_file_exists(${imported_location})
+ 
+     set_target_properties(Qt5::qdbusxml2cpp PROPERTIES
+diff --git a/src/gui/Qt5GuiConfigExtras.cmake.in b/src/gui/Qt5GuiConfigExtras.cmake.in
+index 84dbbfebd4..8ad0720c5c 100644
+--- a/src/gui/Qt5GuiConfigExtras.cmake.in
++++ b/src/gui/Qt5GuiConfigExtras.cmake.in
+@@ -2,7 +2,7 @@
+ !!IF !isEmpty(CMAKE_ANGLE_EGL_DLL_RELEASE)
+ 
+ !!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+-set(Qt5Gui_EGL_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR/QtANGLE\")
++set(Qt5Gui_EGL_INCLUDE_DIRS \"$$NIX_OUTPUT_DEV/$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ELSE
+ set(Qt5Gui_EGL_INCLUDE_DIRS \"$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ENDIF
+@@ -17,13 +17,13 @@ macro(_populate_qt5gui_gl_target_properties TargetName Configuration LIB_LOCATIO
+     set_property(TARGET Qt5::${TargetName} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+ 
+ !!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Gui_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
++    set(imported_location \"$$NIX_OUTPUT_OUT/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ENDIF
+ 
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-    set(imported_implib \"${_qt5Gui_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
++    set(imported_implib \"$$NIX_OUTPUT_OUT/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ELSE
+     set(imported_implib \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ENDIF
+diff --git a/src/widgets/Qt5WidgetsConfigExtras.cmake.in b/src/widgets/Qt5WidgetsConfigExtras.cmake.in
+index 83d8004a08..ca0b8e4bfb 100644
+--- a/src/widgets/Qt5WidgetsConfigExtras.cmake.in
++++ b/src/widgets/Qt5WidgetsConfigExtras.cmake.in
+@@ -3,7 +3,7 @@ if (NOT TARGET Qt5::uic)
+     add_executable(Qt5::uic IMPORTED)
+ 
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+-    set(imported_location \"${_qt5Widgets_install_prefix}/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
++    set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+     set(imported_location \"$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+-- 
+2.25.4
+

pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0006-qtbase-gtk3.patch

···
+From 7a9f4f875053aed8ab387161eea623bf8325cfa8 Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <[e-mail]>
+Date: Tue, 17 Sep 2019 05:35:33 -0500
+Subject: [PATCH 06/11] qtbase-gtk3
+
+---
+ src/plugins/platformthemes/gtk3/main.cpp | 17 ++++++++++++++++-
+ 1 file changed, 16 insertions(+), 1 deletion(-)
+
+diff --git a/src/plugins/platformthemes/gtk3/main.cpp b/src/plugins/platformthemes/gtk3/main.cpp
+index 860fc3a26e..8cd4663d49 100644
+--- a/src/plugins/platformthemes/gtk3/main.cpp
++++ b/src/plugins/platformthemes/gtk3/main.cpp
+@@ -39,6 +39,7 @@
+ 
+ #include <qpa/qplatformthemeplugin.h>
+ #include "qgtk3theme.h"
++#include <QFile>
+ 
+ QT_BEGIN_NAMESPACE
+ 
+@@ -54,8 +55,22 @@ public:
+ QPlatformTheme *QGtk3ThemePlugin::create(const QString &key, const QStringList &params)
+ {
+     Q_UNUSED(params);
+-    if (!key.compare(QLatin1String(QGtk3Theme::name), Qt::CaseInsensitive))
++    if (!key.compare(QLatin1String(QGtk3Theme::name), Qt::CaseInsensitive)) {
++
++#ifdef NIXPKGS_QGTK3_XDG_DATA_DIRS
++        QStringList XDG_DATA_DIRS = QFile::decodeName(qgetenv("XDG_DATA_DIRS")).split(':');
++        XDG_DATA_DIRS << QLatin1String(NIXPKGS_QGTK3_XDG_DATA_DIRS);
++        qputenv("XDG_DATA_DIRS", QFile::encodeName(XDG_DATA_DIRS.join(':')));
++#endif
++
++#ifdef NIXPKGS_QGTK3_GIO_EXTRA_MODULES
++        QStringList GIO_EXTRA_MODULES = QFile::decodeName(qgetenv("GIO_EXTRA_MODULES")).split(':');
++        GIO_EXTRA_MODULES << QLatin1String(NIXPKGS_QGTK3_GIO_EXTRA_MODULES);
++        qputenv("GIO_EXTRA_MODULES", QFile::encodeName(GIO_EXTRA_MODULES.join(':')));
++#endif
++
+         return new QGtk3Theme;
++    }
+ 
+     return nullptr;
+ }
+-- 
+2.25.4
+

pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0007-qtbase-xcursor.patch

···
+From 707098eada20ba074e642a73248de74407bc261c Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <[e-mail]>
+Date: Tue, 17 Sep 2019 05:35:58 -0500
+Subject: [PATCH 07/11] qtbase-xcursor
+
+---
+ src/plugins/platforms/xcb/qxcbcursor.cpp | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/plugins/platforms/xcb/qxcbcursor.cpp b/src/plugins/platforms/xcb/qxcbcursor.cpp
+index 42c7a52bd4..ba670ddb44 100644
+--- a/src/plugins/platforms/xcb/qxcbcursor.cpp
++++ b/src/plugins/platforms/xcb/qxcbcursor.cpp
+@@ -317,10 +317,10 @@ QXcbCursor::QXcbCursor(QXcbConnection *conn, QXcbScreen *screen)
+ #if QT_CONFIG(xcb_xlib) && QT_CONFIG(library)
+     static bool function_ptrs_not_initialized = true;
+     if (function_ptrs_not_initialized) {
+-        QLibrary xcursorLib(QLatin1String("Xcursor"), 1);
++        QLibrary xcursorLib(QLatin1String(NIXPKGS_LIBXCURSOR), 1);
+         bool xcursorFound = xcursorLib.load();
+         if (!xcursorFound) { // try without the version number
+-            xcursorLib.setFileName(QLatin1String("Xcursor"));
++            xcursorLib.setFileName(QLatin1String(NIXPKGS_LIBXCURSOR));
+             xcursorFound = xcursorLib.load();
+         }
+         if (xcursorFound) {
+-- 
+2.25.4
+

pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0008-qtbase-tzdir.patch

···
+From da003b582ee8823b29b1ff5c0aca8e06e7741b94 Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <[e-mail]>
+Date: Tue, 17 Sep 2019 05:36:25 -0500
+Subject: [PATCH 08/11] qtbase-tzdir
+
+---
+ src/corelib/time/qtimezoneprivate_tz.cpp | 31 +++++++++++++++---------
+ 1 file changed, 19 insertions(+), 12 deletions(-)
+
+diff --git a/src/corelib/time/qtimezoneprivate_tz.cpp b/src/corelib/time/qtimezoneprivate_tz.cpp
+index 01f9a6cce0..910338205a 100644
+--- a/src/corelib/time/qtimezoneprivate_tz.cpp
++++ b/src/corelib/time/qtimezoneprivate_tz.cpp
+@@ -77,7 +77,11 @@ typedef QHash<QByteArray, QTzTimeZone> QTzTimeZoneHash;
+ // Parse zone.tab table, assume lists all installed zones, if not will need to read directories
+ static QTzTimeZoneHash loadTzTimeZones()
+ {
+-    QString path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
++    // Try TZDIR first, in case we're running on NixOS.
++    QString path = QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/zone.tab");
++    // Fallback to traditional paths in case we are not on NixOS.
++    if (!QFile::exists(path))
++        path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
+     if (!QFile::exists(path))
+         path = QStringLiteral("/usr/lib/zoneinfo/zone.tab");
+ 
+@@ -672,20 +676,23 @@ QTzTimeZoneCacheEntry QTzTimeZoneCache::findEntry(const QByteArray &ianaId)
+         if (!tzif.open(QIODevice::ReadOnly))
+             return ret;
+     } else {
+-        // Open named tz, try modern path first, if fails try legacy path
+-        tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++        // Try TZDIR first, in case we're running on NixOS
++        tzif.setFileName(QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/") + QString::fromLocal8Bit(ianaId));
+         if (!tzif.open(QIODevice::ReadOnly)) {
+-            tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++            tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
+             if (!tzif.open(QIODevice::ReadOnly)) {
+-                // ianaId may be a POSIX rule, taken from $TZ or /etc/TZ
+-                const QByteArray zoneInfo = ianaId.split(',').at(0);
+-                const char *begin = zoneInfo.constBegin();
+-                if (PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset()
+-                    && (begin == zoneInfo.constEnd()
+-                        || PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset())) {
+-                    ret.m_posixRule = ianaId;
++                tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++                if (!tzif.open(QIODevice::ReadOnly)) {
++                    // ianaId may be a POSIX rule, taken from $TZ or /etc/TZ
++                    const QByteArray zoneInfo = ianaId.split(',').at(0);
++                    const char *begin = zoneInfo.constBegin();
++                    if (PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset()
++                        && (begin == zoneInfo.constEnd()
++                            || PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset())) {
++                        ret.m_posixRule = ianaId;
++                    }
++                    return ret;
+                 }
+-                return ret;
+             }
+         }
+     }
+-- 
+2.25.4
+

pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0009-qtbase-qtpluginpath.patch

···
+From 9fc6efaf774a8716932c98c0b0ea6408ed2614c2 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Milan=20P=C3=A4ssler?= <[e-mail]>
+Date: Sun, 10 May 2020 12:47:28 +0200
+Subject: [PATCH 09/11] qtbase-qtpluginpath
+
+---
+ src/corelib/kernel/qcoreapplication.cpp | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
+index 5fdcc9b914..1a126ef359 100644
+--- a/src/corelib/kernel/qcoreapplication.cpp
++++ b/src/corelib/kernel/qcoreapplication.cpp
+@@ -2691,6 +2691,16 @@ QStringList QCoreApplication::libraryPathsLocked()
+         QStringList *app_libpaths = new QStringList;
+         coreappdata()->app_libpaths.reset(app_libpaths);
+ 
++        // Add library paths derived from PATH
++        const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(':');
++        const QString plugindir = QStringLiteral("../" NIXPKGS_QT_PLUGIN_PREFIX);
++        for (const QString &path: paths) {
++            if (!path.isEmpty()) {
++                app_libpaths->append(QDir::cleanPath(path + QDir::separator() + plugindir));
++            }
++        }
++
++
+         auto setPathsFromEnv = [&](QString libPathEnv) {
+             if (!libPathEnv.isEmpty()) {
+                 QStringList paths = libPathEnv.split(QDir::listSeparator(), Qt::SkipEmptyParts);
+-- 
+2.25.4
+

pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0010-qtbase-assert.patch

···
+From 015845b3c320d02691f28373097d1e6dbbac79f7 Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <[e-mail]>
+Date: Tue, 17 Sep 2019 05:37:04 -0500
+Subject: [PATCH 10/11] qtbase-assert
+
+---
+ src/testlib/qtestassert.h | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/src/testlib/qtestassert.h b/src/testlib/qtestassert.h
+index 6498ea84ef..d821ced7fc 100644
+--- a/src/testlib/qtestassert.h
++++ b/src/testlib/qtestassert.h
+@@ -44,10 +44,13 @@
+ 
+ QT_BEGIN_NAMESPACE
+ 
+-
++#if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS)
++#define QTEST_ASSERT(cond) do { } while ((false) && (cond))
++#define QTEST_ASSERT_X(cond, where, what) do { } while ((false) && (cond))
++#else
+ #define QTEST_ASSERT(cond) do { if (!(cond)) qt_assert(#cond,__FILE__,__LINE__); } while (false)
+-
+ #define QTEST_ASSERT_X(cond, where, what) do { if (!(cond)) qt_assert_x(where, what,__FILE__,__LINE__); } while (false)
++#endif
+ 
+ QT_END_NAMESPACE
+ 
+-- 
+2.25.4
+

pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0011-fix-header_module.patch

···
+From 2bce8511877db1db532e1437e7140b1d55633f86 Mon Sep 17 00:00:00 2001
+From: Will Dietz <[e-mail]>
+Date: Mon, 30 Sep 2019 20:15:40 -0500
+Subject: [PATCH 11/11] fix header_module
+
+---
+ mkspecs/features/qt_module.prf | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/mkspecs/features/qt_module.prf b/mkspecs/features/qt_module.prf
+index b9e5d35026..9924271042 100644
+--- a/mkspecs/features/qt_module.prf
++++ b/mkspecs/features/qt_module.prf
+@@ -84,7 +84,7 @@ header_module {
+         CONFIG  += qt_no_install_library
+ 
+     # Allow creation of .prl, .la and .pc files.
+-    target.path = $$[QT_INSTALL_LIBS]
++    target.path = $$NIX_OUTPUT_OUT/lib
+     target.CONFIG += dummy_install
+     INSTALLS    += target
+ } else {
+-- 
+2.25.4
+

pkgs/development/libraries/qt-5/5.15/qtdeclarative.patch

···
+diff --git a/src/particles/particles.pro b/src/particles/particles.pro
+index aaaa83419a..58aee00036 100644
+--- a/src/particles/particles.pro
++++ b/src/particles/particles.pro
+@@ -20,6 +20,6 @@ QMLTYPES_FILENAME = plugins.qmltypes
+ QMLTYPES_INSTALL_DIR = $$[QT_INSTALL_QML]/QtQuick/Particles.2
+ QML_IMPORT_NAME = QtQuick.Particles
+ IMPORT_VERSION = 2.$$QT_MINOR_VERSION
+-CONFIG += qmltypes install_qmltypes install_metatypes
++CONFIG += qmltypes install_qmltypes
+ 
+ load(qt_module)
+diff --git a/src/qml/qml.pro b/src/qml/qml.pro
+index e39a8319b6..90c0331278 100644
+--- a/src/qml/qml.pro
++++ b/src/qml/qml.pro
+@@ -72,6 +72,6 @@ QMLTYPES_FILENAME = plugins.qmltypes
+ QMLTYPES_INSTALL_DIR = $$[QT_INSTALL_QML]/QtQml
+ QML_IMPORT_NAME = QtQml
+ IMPORT_VERSION = 2.$$QT_MINOR_VERSION
+-CONFIG += qmltypes install_qmltypes install_metatypes
++CONFIG += qmltypes install_qmltypes
+ 
+ load(qt_module)
+diff --git a/src/qmlmodels/qmlmodels.pro b/src/qmlmodels/qmlmodels.pro
+index 4ac093556d..112e2c2be0 100644
+--- a/src/qmlmodels/qmlmodels.pro
++++ b/src/qmlmodels/qmlmodels.pro
+@@ -68,6 +68,6 @@ QMLTYPES_FILENAME = plugins.qmltypes
+ QMLTYPES_INSTALL_DIR = $$[QT_INSTALL_QML]/QtQml/Models.2
+ QML_IMPORT_NAME = QtQml.Models
+ IMPORT_VERSION = 2.$$QT_MINOR_VERSION
+-CONFIG += qmltypes install_qmltypes install_metatypes
++CONFIG += qmltypes install_qmltypes
+ 
+ load(qt_module)
+diff --git a/src/qmltest/qmltest.pro b/src/qmltest/qmltest.pro
+index c2e8068fc6..79dba368f7 100644
+--- a/src/qmltest/qmltest.pro
++++ b/src/qmltest/qmltest.pro
+@@ -34,7 +34,7 @@ QMLTYPES_FILENAME = plugins.qmltypes
+ QMLTYPES_INSTALL_DIR = $$[QT_INSTALL_QML]/Qt/test/qtestroot
+ QML_IMPORT_NAME = Qt.test.qtestroot
+ QML_IMPORT_VERSION = 1.0
+-CONFIG += qmltypes install_qmltypes install_metatypes
++CONFIG += qmltypes install_qmltypes
+ 
+ # Install qmldir
+ qmldir.files = $$PWD/qmldir
+diff --git a/src/qmlworkerscript/qmlworkerscript.pro b/src/qmlworkerscript/qmlworkerscript.pro
+index 84466062e1..79885455cc 100644
+--- a/src/qmlworkerscript/qmlworkerscript.pro
++++ b/src/qmlworkerscript/qmlworkerscript.pro
+@@ -23,6 +23,6 @@ QMLTYPES_FILENAME = plugins.qmltypes
+ QMLTYPES_INSTALL_DIR = $$[QT_INSTALL_QML]/QtQml/WorkerScript.2
+ QML_IMPORT_NAME = QtQml.WorkerScript
+ IMPORT_VERSION = 2.$$QT_MINOR_VERSION
+-CONFIG += qmltypes install_qmltypes install_metatypes
++CONFIG += qmltypes install_qmltypes
+ 
+ load(qt_module)
+diff --git a/src/quick/quick.pro b/src/quick/quick.pro
+index f2d49cf939..c401b04c4e 100644
+--- a/src/quick/quick.pro
++++ b/src/quick/quick.pro
+@@ -52,4 +52,4 @@ QMLTYPES_FILENAME = plugins.qmltypes
+ QMLTYPES_INSTALL_DIR = $$[QT_INSTALL_QML]/QtQuick.2
+ QML_IMPORT_NAME = QtQuick
+ IMPORT_VERSION = 2.$$QT_MINOR_VERSION
+-CONFIG += qmltypes install_qmltypes install_metatypes
++CONFIG += qmltypes install_qmltypes
+diff --git a/src/quickshapes/quickshapes.pro b/src/quickshapes/quickshapes.pro
+index 4dbd3e5e46..0c6b186fc8 100644
+--- a/src/quickshapes/quickshapes.pro
++++ b/src/quickshapes/quickshapes.pro
+@@ -36,4 +36,4 @@ QMLTYPES_FILENAME = plugins.qmltypes
+ QMLTYPES_INSTALL_DIR = $$[QT_INSTALL_QML]/QtQuick/Shapes
+ QML_IMPORT_NAME = QtQuick.Shapes
+ IMPORT_VERSION = 1.$$QT_MINOR_VERSION
+-CONFIG += qmltypes install_qmltypes install_metatypes
++CONFIG += qmltypes install_qmltypes
+diff --git a/src/qml/qml/qqmlimport.cpp b/src/qml/qml/qqmlimport.cpp
+index 005db4248..685c5b1b2 100644
+--- a/src/qml/qml/qqmlimport.cpp
++++ b/src/qml/qml/qqmlimport.cpp
+@@ -1760,6 +1760,15 @@ QQmlImportDatabase::QQmlImportDatabase(QQmlEngine *e)
+     QString installImportsPath =  QLibraryInfo::location(QLibraryInfo::Qml2ImportsPath);
+     addImportPath(installImportsPath);
+ 
++    // Add import paths derived from PATH
++    const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(':');
++    const QString qmldir = QStringLiteral("../" NIXPKGS_QML2_IMPORT_PREFIX);
++    for (const QString &path: paths) {
++        if (!path.isEmpty()) {
++            addImportPath(QDir::cleanPath(path + QDir::separator() + qmldir));
++        }
++    }
++
+     // env import paths
+     if (Q_UNLIKELY(!qEnvironmentVariableIsEmpty("QML2_IMPORT_PATH"))) {
+         const QString envImportPath = qEnvironmentVariable("QML2_IMPORT_PATH");
+diff --git a/tools/qmlcachegen/qmlcache.prf b/tools/qmlcachegen/qmlcache.prf
+index 537eaf62ea..e21de58f64 100644
+--- a/tools/qmlcachegen/qmlcache.prf
++++ b/tools/qmlcachegen/qmlcache.prf
+@@ -26,7 +26,7 @@ defineReplace(qmlCacheOutputFileName) {
+ }
+ 
+ qmlcacheinst.base = $$QMLCACHE_DESTDIR
+-qmlcacheinst.path = $$[QT_INSTALL_QML]/$$TARGETPATH
++qmlcacheinst.path = $$NIX_OUTPUT_QML/$$TARGETPATH
+ qmlcacheinst.CONFIG = no_check_exist
+ 
+ qmlcachegen.input = CACHEGEN_FILES

pkgs/development/libraries/qt-5/5.15/qtscript.patch

···
+diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
+index 1f6d25e..087c3fb 100644
+--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
++++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Threading.h
+@@ -81,7 +81,7 @@
+ #include <pthread.h>
+ #elif PLATFORM(GTK)
+ #include <wtf/gtk/GOwnPtr.h>
+-typedef struct _GMutex GMutex;
++typedef union _GMutex GMutex;
+ typedef struct _GCond GCond;
+ #endif
+ 

pkgs/development/libraries/qt-5/5.15/qtserialport.patch

···
+diff --git a/src/serialport/qtudev_p.h b/src/serialport/qtudev_p.h
+index af2dab2..8e17f64 100644
+--- a/src/serialport/qtudev_p.h
++++ b/src/serialport/qtudev_p.h
+@@ -111,9 +111,17 @@ inline QFunctionPointer resolveSymbol(QLibrary *udevLibrary, const char *symbolN
+ inline bool resolveSymbols(QLibrary *udevLibrary)
+ {
+     if (!udevLibrary->isLoaded()) {
++#ifdef NIXPKGS_LIBUDEV
++        udevLibrary->setFileNameAndVersion(QLatin1String(NIXPKGS_LIBUDEV), 1);
++#else
+         udevLibrary->setFileNameAndVersion(QStringLiteral("udev"), 1);
++#endif
+         if (!udevLibrary->load()) {
++#ifdef NIXPKGS_LIBUDEV
++            udevLibrary->setFileNameAndVersion(QLatin1String(NIXPKGS_LIBUDEV), 0);
++#else
+             udevLibrary->setFileNameAndVersion(QStringLiteral("udev"), 0);
++#endif
+             if (!udevLibrary->load()) {
+                 qWarning("Failed to load the library: %s, supported version(s): %i and %i", qPrintable(udevLibrary->fileName()), 1, 0);
+                 return false;

pkgs/development/libraries/qt-5/5.15/qttools.patch

···
+--- a/src/macdeployqt/shared/shared.cpp
++++ b/src/macdeployqt/shared/shared.cpp
+@@ -1241,6 +1241,12 @@ bool deployQmlImports(const QString &appBundlePath, DeploymentInfo deploymentInf
+     if (!QFile(qmlImportScannerPath).exists())
+         qmlImportScannerPath = QCoreApplication::applicationDirPath() + "/qmlimportscanner";
+ 
++#ifdef NIXPKGS_QMLIMPORTSCANNER
++    // Fallback: Nixpkgs hardcoded path
++    if (!QFile(qmlImportScannerPath).exists())
++        qmlImportScannerPath = NIXPKGS_QMLIMPORTSCANNER;
++#endif
++
+     // Verify that we found a qmlimportscanner binary
+     if (!QFile(qmlImportScannerPath).exists()) {
+         LogError() << "qmlimportscanner not found at" << qmlImportScannerPath;

pkgs/development/libraries/qt-5/5.15/qtwebengine-darwin-no-platform-check.patch

···
+diff --git a/mkspecs/features/platform.prf b/mkspecs/features/platform.prf
+--- a/mkspecs/features/platform.prf
++++ b/mkspecs/features/platform.prf
+@@ -40,8 +40,6 @@ defineTest(isPlatformSupported) {
+   } else:osx {
+     # FIXME: Try to get it back down to 8.2 for building on OS X 10.11
+     !isMinXcodeVersion(8, 3, 3) {
+-      skipBuild("Using Xcode version $$QMAKE_XCODE_VERSION, but at least version 8.3.3 is required to build Qt WebEngine.")
+-      return(false)
+     }
+     !clang|intel_icc {
+         skipBuild("Qt WebEngine on macOS requires Clang.")
+@@ -54,8 +52,6 @@ defineTest(isPlatformSupported) {
+       return(false)
+     }
+     !isMinOSXSDKVersion(10, 12): {
+-      skipBuild("Building Qt WebEngine requires a macOS SDK version of 10.12 or newer. Current version is $${WEBENGINE_OSX_SDK_PRODUCT_VERSION}.")
+-      return(false)
+     }
+   } else {
+     skipBuild("Unknown platform. Qt WebEngine only supports Linux, Windows, and macOS.")
+diff --git a/src/core/config/mac_osx.pri b/src/core/config/mac_osx.pri
+--- a/src/core/config/mac_osx.pri
++++ b/src/core/config/mac_osx.pri
+@@ -5,8 +5,6 @@ load(functions)
+ # otherwise query for it.
+ QMAKE_MAC_SDK_VERSION = $$eval(QMAKE_MAC_SDK.$${QMAKE_MAC_SDK}.SDKVersion)
+ isEmpty(QMAKE_MAC_SDK_VERSION) {
+-     QMAKE_MAC_SDK_VERSION = $$system("/usr/bin/xcodebuild -sdk $${QMAKE_MAC_SDK} -version SDKVersion 2>/dev/null")
+-     isEmpty(QMAKE_MAC_SDK_VERSION): error("Could not resolve SDK version for \'$${QMAKE_MAC_SDK}\'")
+ }
+
+ QMAKE_CLANG_DIR = "/usr"

pkgs/development/libraries/qt-5/5.15/qtwebkit-darwin-no-qos-classes.patch

···
+diff --git a/Source/cmake/OptionsQt.cmake b/Source/cmake/OptionsQt.cmake
+--- a/Source/cmake/OptionsQt.cmake
++++ b/Source/cmake/OptionsQt.cmake
+@@ -683,7 +683,6 @@ if (WIN32 AND COMPILER_IS_GCC_OR_CLANG)
+ endif ()
+ 
+ if (APPLE)
+-    SET_AND_EXPOSE_TO_BUILD(HAVE_QOS_CLASSES 1)
+ endif ()
+ 
+ if (ENABLE_MATHML)

pkgs/development/libraries/qt-5/5.15/qtwebkit-darwin-no-readline.patch

···
+diff --git a/Source/JavaScriptCore/shell/CMakeLists.txt b/Source/JavaScriptCore/shell/CMakeLists.txt
+--- a/Source/JavaScriptCore/shell/CMakeLists.txt
++++ b/Source/JavaScriptCore/shell/CMakeLists.txt
+@@ -9,7 +9,6 @@ set(JSC_LIBRARIES
+ )
+ 
+ if (WTF_OS_MAC_OS_X)
+-    list(APPEND JSC_LIBRARIES edit)
+ endif ()
+ 
+ if ("${JavaScriptCore_LIBRARY_TYPE}" MATCHES "STATIC")
+diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
+--- a/Source/WTF/wtf/Platform.h
++++ b/Source/WTF/wtf/Platform.h
+@@ -563,7 +563,6 @@
+ #if PLATFORM(IOS)
+ 
+ #define HAVE_NETWORK_EXTENSION 1
+-#define HAVE_READLINE 1
+ #if USE(APPLE_INTERNAL_SDK)
+ #define USE_CFNETWORK 1
+ #endif
+@@ -650,7 +649,6 @@
+ #define HAVE_MADV_DONTNEED 1
+ #define HAVE_MERGESORT 1
+ #define HAVE_PTHREAD_SETNAME_NP 1
+-#define HAVE_READLINE 1
+ #define HAVE_SYS_TIMEB_H 1
+ 
+ #if !PLATFORM(GTK) && !PLATFORM(QT)
+diff --git a/Source/WTF/wtf/PlatformMac.cmake b/Source/WTF/wtf/PlatformMac.cmake
+--- a/Source/WTF/wtf/PlatformMac.cmake
++++ b/Source/WTF/wtf/PlatformMac.cmake
+@@ -2,11 +2,9 @@ set(WTF_LIBRARY_TYPE SHARED)
+ 
+ find_library(COCOA_LIBRARY Cocoa)
+ find_library(COREFOUNDATION_LIBRARY CoreFoundation)
+-find_library(READLINE_LIBRARY Readline)
+ list(APPEND WTF_LIBRARIES
+     ${COREFOUNDATION_LIBRARY}
+     ${COCOA_LIBRARY}
+-    ${READLINE_LIBRARY}
+     libicucore.dylib
+ )
+ 

pkgs/development/libraries/qt-5/5.15/qtwebkit.patch

···
+diff --git a/Source/WebKit2/PlatformQt.cmake b/Source/WebKit2/PlatformQt.cmake
+--- a/Source/WebKit2/PlatformQt.cmake
++++ b/Source/WebKit2/PlatformQt.cmake
+@@ -261,6 +261,7 @@
+ list(APPEND WebKit2_SYSTEM_INCLUDE_DIRECTORIES
+     ${GLIB_INCLUDE_DIRS}
+     ${GSTREAMER_INCLUDE_DIRS}
++    ${GSTREAMER_PBUTILS_INCLUDE_DIRS}
+     ${Qt5Quick_INCLUDE_DIRS}
+     ${Qt5Quick_PRIVATE_INCLUDE_DIRS}
+     ${SQLITE_INCLUDE_DIR}
+

pkgs/development/libraries/qt-5/5.15/srcs.nix

···
+# DO NOT EDIT! This file is generated automatically.
+# Command: ./maintainers/scripts/fetch-kde-qt.sh pkgs/development/libraries/qt-5/5.15
+{ fetchurl, mirror }:
+
+{
+  qt3d = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qt3d-everywhere-src-5.15.0.tar.xz";
+      sha256 = "61856f0c453b79e98b7a1e65ea8f59976fa78230ffa8dec959b5f4b45383dffd";
+      name = "qt3d-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtactiveqt = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtactiveqt-everywhere-src-5.15.0.tar.xz";
+      sha256 = "1b455eacfb9ef49912d7a79040ea409a6ab88dfa192d313e6b5e02a79d741b51";
+      name = "qtactiveqt-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtandroidextras = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtandroidextras-everywhere-src-5.15.0.tar.xz";
+      sha256 = "c9019185221e94e37e250c84acaebfb7b2f5342e8ad60cdcff052ac2b85ec671";
+      name = "qtandroidextras-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtbase = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtbase-everywhere-src-5.15.0.tar.xz";
+      sha256 = "9e7af10aece15fa9500369efde69cb220eee8ec3a6818afe01ce1e7d484824c5";
+      name = "qtbase-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtcharts = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtcharts-everywhere-src-5.15.0.tar.xz";
+      sha256 = "44a24fc16abcaf9ae97ecf3215f6f3b44ebdb3b73bcb4ed3549a51519e4883a7";
+      name = "qtcharts-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtconnectivity = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtconnectivity-everywhere-src-5.15.0.tar.xz";
+      sha256 = "f911fb8f8bf3a9958785d0378d25ced8989047938b7138d619854a94fa0b27dd";
+      name = "qtconnectivity-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtdatavis3d = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtdatavis3d-everywhere-src-5.15.0.tar.xz";
+      sha256 = "8f07747f371f7c515c667240a795105c89aa83c08d88ee92fa1ef7efccea10a3";
+      name = "qtdatavis3d-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtdeclarative = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtdeclarative-everywhere-src-5.15.0.tar.xz";
+      sha256 = "9c3c93fb7d340b2f7d738d12408c047318c78973cb45bfc5ff6b3a57e1fef699";
+      name = "qtdeclarative-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtdoc = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtdoc-everywhere-src-5.15.0.tar.xz";
+      sha256 = "07ca8db98c317f25cc9a041c48a6824baf63893bf5b535d6f8d266dea8c7659f";
+      name = "qtdoc-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtgamepad = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtgamepad-everywhere-src-5.15.0.tar.xz";
+      sha256 = "dda54d9f90897944bed5e6af48a904a677fd97eb6f57ab08a2b232c431caf31a";
+      name = "qtgamepad-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtgraphicaleffects = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtgraphicaleffects-everywhere-src-5.15.0.tar.xz";
+      sha256 = "0d2ea4bc73b9df13a4b739dcbc1e3c7b298c7e682f7f9252b232e3bde7b63eda";
+      name = "qtgraphicaleffects-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtimageformats = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtimageformats-everywhere-src-5.15.0.tar.xz";
+      sha256 = "83f32101b1a898fcb8ed6f11a657d1125484ac0c2223014b61849d9010efebc8";
+      name = "qtimageformats-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtlocation = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtlocation-everywhere-src-5.15.0.tar.xz";
+      sha256 = "c68b0778a521e5522641c41b1778999dd408ebfda1e0de166a83743268be5f3f";
+      name = "qtlocation-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtlottie = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtlottie-everywhere-src-5.15.0.tar.xz";
+      sha256 = "2053f474dcd7184fdcae2507f47af6527f6ca25b4424483f9265853c3626c833";
+      name = "qtlottie-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtmacextras = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtmacextras-everywhere-src-5.15.0.tar.xz";
+      sha256 = "95a8c35b30373224cdd6d1ca0bdda1a314b20e91551a4824e8ca7e50ce8ff439";
+      name = "qtmacextras-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtmultimedia = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtmultimedia-everywhere-src-5.15.0.tar.xz";
+      sha256 = "0708d867697f392dd3600c5c1c88f5c61b772a5250a4d059dca67b844af0fbd7";
+      name = "qtmultimedia-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtnetworkauth = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtnetworkauth-everywhere-src-5.15.0.tar.xz";
+      sha256 = "96c6107f6e85662a05f114c5b9bd3503a3100bd940e1494c73a99e77f9e7cf85";
+      name = "qtnetworkauth-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtpurchasing = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtpurchasing-everywhere-src-5.15.0.tar.xz";
+      sha256 = "2127f180c4889055d88e2b402b62be80a5a213a0e48d2056cc9a01d9913b3a16";
+      name = "qtpurchasing-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtquick3d = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtquick3d-everywhere-src-5.15.0.tar.xz";
+      sha256 = "6d3b91b653ba5e33fd5b37cd785ded6cf1dd83d35250c3addb77eb35f90e52cb";
+      name = "qtquick3d-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtquickcontrols = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtquickcontrols-everywhere-src-5.15.0.tar.xz";
+      sha256 = "7072cf4cd27e9f18b36b1c48dec7c79608cf87ba847d3fc3de133f220ec1acee";
+      name = "qtquickcontrols-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtquickcontrols2 = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtquickcontrols2-everywhere-src-5.15.0.tar.xz";
+      sha256 = "839abda9b58cd8656b2e5f46afbb484e63df466481ace43318c4c2022684648f";
+      name = "qtquickcontrols2-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtquicktimeline = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtquicktimeline-everywhere-src-5.15.0.tar.xz";
+      sha256 = "16ffeb733ba15815121fca5705ed5220ce0a0eb2ec0431ad0d55da9426a03c00";
+      name = "qtquicktimeline-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtremoteobjects = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtremoteobjects-everywhere-src-5.15.0.tar.xz";
+      sha256 = "86fcfdce77f13c7babdec4dc1d0c4b7b6b02e40120a4250dc59e911c53c08abf";
+      name = "qtremoteobjects-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtscript = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtscript-everywhere-src-5.15.0.tar.xz";
+      sha256 = "02dc21b309621876a89671be27cea86a58e74a96aa28da65fe1b37a3aad29373";
+      name = "qtscript-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtscxml = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtscxml-everywhere-src-5.15.0.tar.xz";
+      sha256 = "9c3a72bf5ebd07553b0049cc1943f04cff93b7e53bde8c81d652422dbf12ff72";
+      name = "qtscxml-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtsensors = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtsensors-everywhere-src-5.15.0.tar.xz";
+      sha256 = "12b17ed6cbe6c49c8ab71958bc5d8ad1c42bf20e2fa72613ede11001e98144da";
+      name = "qtsensors-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtserialbus = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtserialbus-everywhere-src-5.15.0.tar.xz";
+      sha256 = "cee067c84d025e221b83d109b58ea16c4d2dc0af0aea45cc6724acd33a1b7379";
+      name = "qtserialbus-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtserialport = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtserialport-everywhere-src-5.15.0.tar.xz";
+      sha256 = "ba19369069a707dffddca8d9c477bb2bb4aa26630dfee6792254c4bf9bd57a67";
+      name = "qtserialport-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtspeech = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtspeech-everywhere-src-5.15.0.tar.xz";
+      sha256 = "7219a878c14a24d0ca18d52df1717361b13aee96ac9790baf9ad2b383492dd61";
+      name = "qtspeech-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtsvg = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtsvg-everywhere-src-5.15.0.tar.xz";
+      sha256 = "ee4d287e2e205ca8c08921b9cbe0fc58bf46be080b5359ad4d7fbdee44aeee0d";
+      name = "qtsvg-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qttools = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qttools-everywhere-src-5.15.0.tar.xz";
+      sha256 = "ddbcb49aab3a2e3672582c6e2e7bec0058feff790f67472343c79e2895e0e437";
+      name = "qttools-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qttranslations = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qttranslations-everywhere-src-5.15.0.tar.xz";
+      sha256 = "45c43268d9df50784d4d8ca345fce9288a1055fd074ac0ef508097f7aeba22fe";
+      name = "qttranslations-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtvirtualkeyboard = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtvirtualkeyboard-everywhere-src-5.15.0.tar.xz";
+      sha256 = "f22f9204ab65578d9c8aa832a8a39108f826e00a7d391c7884ff490c587f34be";
+      name = "qtvirtualkeyboard-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtwayland = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtwayland-everywhere-src-5.15.0.tar.xz";
+      sha256 = "084133e10bfbd32a28125639660c59975f23457bba6a79b30a25802cec76a9fb";
+      name = "qtwayland-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtwebchannel = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtwebchannel-everywhere-src-5.15.0.tar.xz";
+      sha256 = "ea80510b363e6f92ce99932f06d176e43459c4a5159fe97b5ef96fcfbab5ed4f";
+      name = "qtwebchannel-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtwebengine = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtwebengine-everywhere-src-5.15.0.tar.xz";
+      sha256 = "c38e2fda7ed1b7d5a90f26abf231ec0715d78a5bc39a94673d8e39d75f04c5df";
+      name = "qtwebengine-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtwebglplugin = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtwebglplugin-everywhere-src-5.15.0.tar.xz";
+      sha256 = "f7b81f25ddf7b3a0046daa7224bc1e18c8b754b00b1a33775f30f827a5cdca15";
+      name = "qtwebglplugin-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtwebsockets = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtwebsockets-everywhere-src-5.15.0.tar.xz";
+      sha256 = "87c2f6542778f9b65b3f208740c1d0db643fd0bede21404b9abb265355da5092";
+      name = "qtwebsockets-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtwebview = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtwebview-everywhere-src-5.15.0.tar.xz";
+      sha256 = "b87ea205ce79c6b438ebe596e91fa80ba11f6aac7e89ffbf52b337d0fc8d6660";
+      name = "qtwebview-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtwinextras = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtwinextras-everywhere-src-5.15.0.tar.xz";
+      sha256 = "d77f2cb2ce83bdbfd0a970bc8d7d11c96b2df16befc257d6594f79dfd92abff0";
+      name = "qtwinextras-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtx11extras = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtx11extras-everywhere-src-5.15.0.tar.xz";
+      sha256 = "c72b6c188284facddcf82835af048240e721dc8d6d9e8a7bd71d76fd876881a1";
+      name = "qtx11extras-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+  qtxmlpatterns = {
+    version = "5.15.0";
+    src = fetchurl {
+      url = "${mirror}/official_releases/qt/5.15/5.15.0/submodules/qtxmlpatterns-everywhere-src-5.15.0.tar.xz";
+      sha256 = "2752cf2aa25ebfda89c3736457e27b3d0c7c7ed290dcfd52c209f9f905998507";
+      name = "qtxmlpatterns-everywhere-src-5.15.0.tar.xz";
+    };
+  };
+}

pkgs/development/libraries/qt-5/modules/qtbase.nix

···
       "-make tools"
       ''-${lib.optionalString (!buildExamples) "no"}make examples''
       ''-${lib.optionalString (!buildTests) "no"}make tests''
-      "-v"
     ]
+    ++ lib.optional (compareVersion "5.15.0" < 0) "-v"
 
     ++ (
       if stdenv.isDarwin
···
       else
         [
           "-${lib.optionalString (compareVersion "5.9.0" < 0) "no-"}rpath"
-
-          "-system-xcb"
+        ]
+        ++ lib.optional (compareVersion "5.15.0" < 0) "-system-xcb"
+        ++ [
           "-xcb"
           "-qpa xcb"
           "-L" "${libX11.out}/lib"
···
           ''-${lib.optionalString (cups == null) "no-"}cups''
           "-dbus-linked"
           "-glib"
-          "-system-libjpeg"
+        ]
+        ++ lib.optional (compareVersion "5.15.0" < 0) "-system-libjpeg"
+        ++ [
           "-system-libpng"
         ]
         ++ lib.optional withGtk3 "-gtk"

pkgs/development/libraries/qt-5/modules/qtwebkit.nix

···
   # Hack to avoid TMPDIR in RPATHs.
   preFixup = ''rm -rf "$(pwd)" && mkdir "$(pwd)" '';
 
-  meta.maintainers = with stdenv.lib.maintainers; [ abbradar periklis ];
+  meta = {
+    broken = lib.versionAtLeast qtbase.version "5.15";
+    maintainers = with stdenv.lib.maintainers; [ abbradar periklis ];
+  };
 }

pkgs/development/libraries/soqt/default.nix

···
-{ fetchhg, stdenv, coin3d, qt5, cmake, pkgconfig }:
+{ fetchhg, stdenv, coin3d, qtbase, cmake, pkgconfig }:
 
 stdenv.mkDerivation {
   pname = "soqt";
···
     fetchSubrepos = true;
   };
 
-  buildInputs = [ coin3d qt5.qtbase ];
+  buildInputs = [ coin3d qtbase ];
 
   nativeBuildInputs = [ cmake pkgconfig ];
 

pkgs/development/python-modules/pivy/default.nix

···
-{ stdenv, buildPythonPackage, fetchFromGitHub, pkgs }:
+{ stdenv, buildPythonPackage, fetchFromGitHub, pkgs, qtbase, qmake, soqt }:
 
 buildPythonPackage rec {
   pname = "pivy";
···
   };
 
   nativeBuildInputs = with pkgs; [
-    swig qt5.qmake cmake
+    swig qmake cmake
   ];
 
   buildInputs = with pkgs; with xorg; [
-    coin3d soqt qt5.qtbase
+    coin3d soqt qtbase
     libGLU libGL
     libXi libXext libSM libICE libX11
   ];
 
   NIX_CFLAGS_COMPILE = toString [
-    "-I${pkgs.qt5.qtbase.dev}/include/QtCore"
-    "-I${pkgs.qt5.qtbase.dev}/include/QtGui"
-    "-I${pkgs.qt5.qtbase.dev}/include/QtOpenGL"
-    "-I${pkgs.qt5.qtbase.dev}/include/QtWidgets"
+    "-I${qtbase.dev}/include/QtCore"
+    "-I${qtbase.dev}/include/QtGui"
+    "-I${qtbase.dev}/include/QtOpenGL"
+    "-I${qtbase.dev}/include/QtWidgets"
   ];
 
   dontUseQmakeConfigure = true;

pkgs/development/python-modules/roboschool/default.nix

···
 , python
 , fetchFromGitHub
 , fetchpatch
-, qt5
+, qtbase
 , boost
 , assimp
 , gym
···
 
   nativeBuildInputs = [
     pkgconfig
-    qt5.qtbase # needs the `moc` tool
+    qtbase # needs the `moc` tool
     which
   ];
 
   buildInputs = [
     bullet-roboschool
     assimp
-    qt5.qtbase
+    qtbase
     boost
   ];
 

pkgs/top-level/all-packages.nix

···
 
   archiver = callPackage ../applications/misc/archiver { };
 
-  digitalbitbox = libsForQt5.callPackage ../applications/misc/digitalbitbox { };
+  digitalbitbox = libsForQt514.callPackage ../applications/misc/digitalbitbox { };
 
   grsync = callPackage ../applications/misc/grsync { };
 
···
 
   dispad = callPackage ../tools/X11/dispad { };
 
-  dupeguru = callPackage ../applications/misc/dupeguru { };
+  dupeguru = callPackage ../applications/misc/dupeguru { qt5 = qt514; };
 
   dump1090 = callPackage ../applications/radio/dump1090 { };
 
···
 
   arduino-mk = callPackage ../development/arduino/arduino-mk {};
 
-  apitrace = libsForQt5.callPackage ../applications/graphics/apitrace {};
+  apitrace = libsForQt514.callPackage ../applications/graphics/apitrace {};
 
   arguments = callPackage ../development/libraries/arguments { };
 
···
 
   brakeman = callPackage ../development/tools/analysis/brakeman { };
 
-  brewtarget = libsForQt5.callPackage ../applications/misc/brewtarget { } ;
+  brewtarget = libsForQt514.callPackage ../applications/misc/brewtarget { } ;
 
   boxes = callPackage ../tools/text/boxes { };
 
···
 
   bindfs = callPackage ../tools/filesystems/bindfs { };
 
-  birdtray = libsForQt5.callPackage ../applications/misc/birdtray { };
+  birdtray = libsForQt514.callPackage ../applications/misc/birdtray { };
 
   bitbucket-cli = python2Packages.bitbucket-cli;
 
···
   };
   traefik = callPackage ../servers/traefik { };
 
-  calamares = libsForQt5.callPackage ../tools/misc/calamares {
+  calamares = libsForQt514.callPackage ../tools/misc/calamares {
     python = python3;
     boost = pkgs.boost.override { python = python3; };
   };
···
 
   gmic = callPackage ../tools/graphics/gmic { };
 
-  gmic-qt = libsForQt5.callPackage ../tools/graphics/gmic-qt { };
+  gmic-qt = libsForQt514.callPackage ../tools/graphics/gmic-qt { };
 
   gmic-qt-krita = gmic-qt.override {
     variant = "krita";
···
 
   medusa = callPackage ../tools/security/medusa { };
 
-  megasync = libsForQt5.callPackage ../applications/misc/megasync { };
+  megasync = libsForQt514.callPackage ../applications/misc/megasync { };
 
   megacmd = callPackage ../applications/misc/megacmd { };
 
···
 
   cksfv = callPackage ../tools/networking/cksfv { };
 
-  clementine = libsForQt5.callPackage ../applications/audio/clementine {
+  clementine = libsForQt514.callPackage ../applications/audio/clementine {
     gst_plugins =
       with gst_all_1; [ gst-plugins-base gst-plugins-good gst-plugins-ugly gst-libav ];
   };
 
   clementineUnfree = clementine.unfree;
 
-  mellowplayer = libsForQt5.callPackage ../applications/audio/mellowplayer { };
+  mellowplayer = libsForQt514.callPackage ../applications/audio/mellowplayer { };
 
   ciopfs = callPackage ../tools/filesystems/ciopfs { };
 
···
 
   dropbear = callPackage ../tools/networking/dropbear { };
 
-  dsview = libsForQt5.callPackage ../applications/science/electronics/dsview { };
+  dsview = libsForQt514.callPackage ../applications/science/electronics/dsview { };
 
   dtach = callPackage ../tools/misc/dtach { };
 
···
 
   sonobuoy = callPackage ../applications/networking/cluster/sonobuoy { };
 
-  strawberry = libsForQt5.callPackage ../applications/audio/strawberry { };
+  strawberry = libsForQt514.callPackage ../applications/audio/strawberry { };
 
   tealdeer = callPackage ../tools/misc/tealdeer {
     inherit (darwin.apple_sdk.frameworks) Security;
···
 
   flashrom = callPackage ../tools/misc/flashrom { };
 
-  flent = python3Packages.callPackage ../applications/networking/flent { };
+  flent = python3Packages.callPackage ../applications/networking/flent { qt5 = qt514; };
 
   flpsed = callPackage ../applications/editors/flpsed { };
 
···
 
   hal-flash = callPackage ../os-specific/linux/hal-flash { };
 
-  hal-hardware-analyzer = libsForQt5.callPackage ../applications/science/electronics/hal-hardware-analyzer { };
+  hal-hardware-analyzer = libsForQt514.callPackage ../applications/science/electronics/hal-hardware-analyzer { };
 
   half = callPackage ../development/libraries/half { };
 
···
 
   hecate = callPackage ../applications/editors/hecate { };
 
-  heaptrack = libsForQt5.callPackage ../development/tools/profiling/heaptrack {};
+  heaptrack = libsForQt514.callPackage ../development/tools/profiling/heaptrack {};
 
   heimdall = libsForQt5.callPackage ../tools/misc/heimdall { };
 
···
 
   i2pd = callPackage ../tools/networking/i2pd { };
 
-  i-score = libsForQt5.callPackage ../applications/audio/i-score { };
+  i-score = libsForQt514.callPackage ../applications/audio/i-score { };
 
   iasl = callPackage ../development/compilers/iasl { };
 
-  iannix = libsForQt5.callPackage ../applications/audio/iannix { };
+  iannix = libsForQt514.callPackage ../applications/audio/iannix { };
 
   jamulus = libsForQt5.callPackage ../applications/audio/jamulus { };
 
···
 
   krakenx = callPackage ../tools/system/krakenx { };
 
-  partition-manager = libsForQt5.callPackage ../tools/misc/partition-manager { };
+  partition-manager = libsForQt514.callPackage ../tools/misc/partition-manager { };
 
   kpcli = callPackage ../tools/security/kpcli { };
 
-  krename = libsForQt5.callPackage ../applications/misc/krename { };
+  krename = libsForQt514.callPackage ../applications/misc/krename { };
 
   krunner-pass = libsForQt5.callPackage ../tools/security/krunner-pass { };
 
-  kronometer = libsForQt5.callPackage ../tools/misc/kronometer { };
+  kronometer = libsForQt514.callPackage ../tools/misc/kronometer { };
 
   krop = callPackage ../applications/graphics/krop { };
 
-  kdiff3 = libsForQt5.callPackage ../tools/text/kdiff3 { };
+  kdiff3 = libsForQt514.callPackage ../tools/text/kdiff3 { };
 
   kube-router = callPackage ../applications/networking/cluster/kube-router { };
 
   kwalletcli = libsForQt5.callPackage ../tools/security/kwalletcli { };
 
-  peruse = libsForQt5.callPackage ../tools/misc/peruse { };
+  peruse = libsForQt514.callPackage ../tools/misc/peruse { };
 
-  ksmoothdock = libsForQt5.callPackage ../applications/misc/ksmoothdock { };
+  ksmoothdock = libsForQt514.callPackage ../applications/misc/ksmoothdock { };
 
-  kst = libsForQt5.callPackage ../tools/graphics/kst { gsl = gsl_1; };
+  kst = libsForQt514.callPackage ../tools/graphics/kst { gsl = gsl_1; };
 
-  kstars = libsForQt5.callPackage ../applications/science/astronomy/kstars { };
+  kstars = libsForQt514.callPackage ../applications/science/astronomy/kstars { };
 
   kytea = callPackage ../tools/text/kytea { };
 
···
 
   ninka = callPackage ../development/tools/misc/ninka { };
 
-  nixnote2 = libsForQt5.callPackage ../applications/misc/nixnote2 { };
+  nixnote2 = libsForQt514.callPackage ../applications/misc/nixnote2 { };
 
   nodejs = hiPrio nodejs-12_x;
 
···
 
   lzip = callPackage ../tools/compression/lzip { };
 
-  luxcorerender = callPackage ../tools/graphics/luxcorerender { };
+  luxcorerender = callPackage ../tools/graphics/luxcorerender { qt5 = qt514; };
 
   xz = callPackage ../tools/compression/xz { };
   lzma = xz; # TODO: move to aliases.nix
···
   inherit (callPackage ../servers/nextcloud {})
     nextcloud17 nextcloud18 nextcloud19;
 
-  nextcloud-client = libsForQt5.callPackage ../applications/networking/nextcloud-client { };
+  nextcloud-client = libsForQt514.callPackage ../applications/networking/nextcloud-client { };
 
   nextcloud-news-updater = callPackage ../servers/nextcloud/news-updater.nix { };
 
···
     graphicalSupport = true;
   };
 
-  nmapsi4 = libsForQt5.callPackage ../tools/security/nmap/qt.nix { };
+  nmapsi4 = libsForQt514.callPackage ../tools/security/nmap/qt.nix { };
 
   nnn = callPackage ../applications/misc/nnn { };
 
···
 
   ola = callPackage ../applications/misc/ola { };
 
-  olive-editor = libsForQt5.callPackage ../applications/video/olive-editor {
+  olive-editor = libsForQt514.callPackage ../applications/video/olive-editor {
     inherit (darwin.apple_sdk.frameworks) CoreFoundation;
   };
 
···
 
   overmind = callPackage ../applications/misc/overmind { };
 
-  owncloud-client = libsForQt5.callPackage ../applications/networking/owncloud-client { };
+  owncloud-client = libsForQt514.callPackage ../applications/networking/owncloud-client { };
 
   oxidized = callPackage ../tools/admin/oxidized { };
 
···
 
   openmodelica = callPackage ../applications/science/misc/openmodelica { };
 
-  qarte = libsForQt5.callPackage ../applications/video/qarte { };
+  qarte = libsForQt514.callPackage ../applications/video/qarte { };
 
   qlcplus = libsForQt512.callPackage ../applications/misc/qlcplus { };
 
···
 
   qosmic = libsForQt5.callPackage ../applications/graphics/qosmic { };
 
-  qownnotes = libsForQt5.callPackage ../applications/office/qownnotes { };
+  qownnotes = libsForQt514.callPackage ../applications/office/qownnotes { };
 
   qpdf = callPackage ../development/libraries/qpdf { };
 
···
 
   qr-filetransfer = callPackage ../tools/networking/qr-filetransfer { };
 
-  qtikz = libsForQt5.callPackage ../applications/graphics/ktikz { };
+  qtikz = libsForQt514.callPackage ../applications/graphics/ktikz { };
 
   quickjs = callPackage ../development/interpreters/quickjs { };
 
···
 
   reredirect = callPackage ../tools/misc/reredirect { };
 
-  retext = libsForQt5.callPackage ../applications/editors/retext { };
+  retext = libsForQt514.callPackage ../applications/editors/retext { };
 
   richgo = callPackage ../development/tools/richgo {  };
 
···
 
   rockbox_utility = libsForQt5.callPackage ../tools/misc/rockbox-utility { };
 
-  rosegarden = libsForQt5.callPackage ../applications/audio/rosegarden { };
+  rosegarden = libsForQt514.callPackage ../applications/audio/rosegarden { };
 
   rowhammer-test = callPackage ../tools/system/rowhammer-test { };
 
···
 
   rshijack = callPackage ../tools/networking/rshijack { };
 
-  rsibreak = libsForQt5.callPackage ../applications/misc/rsibreak { };
+  rsibreak = libsForQt514.callPackage ../applications/misc/rsibreak { };
 
   rss2email = callPackage ../applications/networking/feedreaders/rss2email {
     pythonPackages = python3Packages;
···
 
   sigal = callPackage ../applications/misc/sigal { };
 
-  sigil = libsForQt5.callPackage ../applications/editors/sigil { };
+  sigil = libsForQt514.callPackage ../applications/editors/sigil { };
 
   signal-cli = callPackage ../applications/networking/instant-messengers/signal-cli { };
 
···
 
   sleuthkit = callPackage ../tools/system/sleuthkit {};
 
-  sleepyhead = libsForQt5.callPackage ../applications/misc/sleepyhead {};
+  sleepyhead = libsForQt514.callPackage ../applications/misc/sleepyhead {};
 
   slirp4netns = callPackage ../tools/networking/slirp4netns/default.nix { };
 
···
 
   subberthehut = callPackage ../tools/misc/subberthehut { };
 
-  subsurface = libsForQt5.callPackage ../applications/misc/subsurface { };
+  subsurface = libsForQt514.callPackage ../applications/misc/subsurface { };
 
   sudo = callPackage ../tools/security/sudo { };
 
···
 
   ted = callPackage ../tools/typesetting/ted { };
 
-  teamviewer = libsForQt5.callPackage ../applications/networking/remote/teamviewer { };
+  teamviewer = libsForQt514.callPackage ../applications/networking/remote/teamviewer { };
 
   teleconsole = callPackage ../tools/misc/teleconsole { };
 
···
 
   textadept = callPackage ../applications/editors/textadept { };
 
-  texworks = libsForQt5.callPackage ../applications/editors/texworks { };
+  texworks = libsForQt514.callPackage ../applications/editors/texworks { };
 
   thc-hydra = callPackage ../tools/security/thc-hydra { };
 
···
 
   wireguard-go = callPackage ../tools/networking/wireguard-go { };
 
-  wkhtmltopdf = libsForQt5.callPackage ../tools/graphics/wkhtmltopdf { };
+  wkhtmltopdf = libsForQt514.callPackage ../tools/graphics/wkhtmltopdf { };
 
   wml = callPackage ../development/web/wml { };
 
···
 
   colm = callPackage ../development/compilers/colm { };
 
-  colmap = libsForQt5.callPackage ../applications/science/misc/colmap { };
+  colmap = libsForQt514.callPackage ../applications/science/misc/colmap { };
   colmapWithCuda = colmap.override { cudaSupport = true; };
 
   chickenPackages_4 = callPackage ../development/compilers/chicken/4 { };
···
     graalvm8-ee
     graalvm11-ee;
 
-  openshot-qt = libsForQt5.callPackage ../applications/video/openshot-qt { };
+  openshot-qt = libsForQt514.callPackage ../applications/video/openshot-qt { };
 
   openspin = callPackage ../development/compilers/openspin { };
 
···
 
   neko = callPackage ../development/compilers/neko { };
 
-  nextpnr = libsForQt5.callPackage ../development/compilers/nextpnr {
+  nextpnr = libsForQt514.callPackage ../development/compilers/nextpnr {
     inherit (darwin.apple_sdk.frameworks) OpenGL;
   };
 
···
   ssm-agent = callPackage ../applications/networking/cluster/ssm-agent { };
   ssm-session-manager-plugin = callPackage ../applications/networking/cluster/ssm-session-manager-plugin { };
 
-  supercollider = libsForQt5.callPackage ../development/interpreters/supercollider {
+  supercollider = libsForQt514.callPackage ../development/interpreters/supercollider {
     fftw = fftwSinglePrec;
   };
 
···
 
   kati = callPackage ../development/tools/build-managers/kati { };
 
-  kcc = libsForQt5.callPackage ../applications/graphics/kcc { };
+  kcc = libsForQt514.callPackage ../applications/graphics/kcc { };
 
   kconfig-frontends = callPackage ../development/tools/misc/kconfig-frontends {
     gperf = gperf_3_0;
···
 
   lttv = callPackage ../development/tools/misc/lttv { };
 
-  massif-visualizer = libsForQt5.callPackage ../development/tools/analysis/massif-visualizer { };
+  massif-visualizer = libsForQt514.callPackage ../development/tools/analysis/massif-visualizer { };
 
   maven = maven3;
   maven3 = callPackage ../development/tools/build-managers/apache-maven { };
···
   minify = callPackage ../development/web/minify { };
 
   minizinc = callPackage ../development/tools/minizinc { };
-  minizincide = qt5.callPackage ../development/tools/minizinc/ide.nix { };
+  minizincide = qt514.callPackage ../development/tools/minizinc/ide.nix { };
 
   mk = callPackage ../development/tools/build-managers/mk { };
 
···
 
   phantomjs = callPackage ../development/tools/phantomjs { };
 
-  phantomjs2 = libsForQt5.callPackage ../development/tools/phantomjs2 { };
+  phantomjs2 = libsForQt514.callPackage ../development/tools/phantomjs2 { };
 
   pmccabe = callPackage ../development/tools/misc/pmccabe { };
 
···
 
   pyrseas = callPackage ../development/tools/database/pyrseas { };
 
-  qtcreator = libsForQt5.callPackage ../development/tools/qtcreator { };
+  qtcreator = libsForQt514.callPackage ../development/tools/qtcreator { };
 
   qxmledit = libsForQt5.callPackage ../applications/editors/qxmledit {} ;
 
···
     lua = lua5;
   } // (config.radare or {}))) radare2 r2-for-cutter;
 
-  radare2-cutter = libsForQt5.callPackage ../development/tools/analysis/radare2/cutter.nix { };
+  radare2-cutter = libsForQt514.callPackage ../development/tools/analysis/radare2/cutter.nix { };
 
   ragel = ragelStable;
 
···
   appstream = callPackage ../development/libraries/appstream { };
 
   appstream-glib = callPackage ../development/libraries/appstream-glib { };
-
-  appstream-qt = libsForQt5.callPackage ../development/libraries/appstream/qt.nix { };
 
   apr = callPackage ../development/libraries/apr { };
 
···
 
   duckdb = callPackage ../development/libraries/duckdb {};
 
-  dxflib = callPackage ../development/libraries/dxflib {};
-
   easyloggingpp = callPackage ../development/libraries/easyloggingpp {};
 
   eccodes = callPackage ../development/libraries/eccodes {
···
 
   hdt = callPackage ../misc/hdt {};
 
-  herqq = libsForQt5.callPackage ../development/libraries/herqq { };
+  herqq = libsForQt514.callPackage ../development/libraries/herqq { };
 
   heyefi = haskellPackages.heyefi;
 
···
     let
       mkFrameworks = import ../development/libraries/kde-frameworks;
       attrs = {
-        inherit libsForQt5;
+        libsForQt5 = libsForQt514;
         inherit lib fetchurl;
       };
     in
···
 
   python-qt = callPackage ../development/libraries/python-qt {
     python = python27;
-    inherit (qt5) qmake qttools qtwebengine qtxmlpatterns;
+    inherit (qt514) qmake qttools qtwebengine qtxmlpatterns;
   };
 
   pyotherside = libsForQt5.callPackage ../development/libraries/pyotherside {};
···
   qbs = libsForQt5.callPackage ../development/tools/build-managers/qbs { };
 
   qca2 = callPackage ../development/libraries/qca2 { qt = qt4; };
-  qca2-qt5 = qca2.override { qt = qt5.qtbase; };
 
   qimageblitz = callPackage ../development/libraries/qimageblitz {};
 
   qjson = callPackage ../development/libraries/qjson { };
 
-  qoauth = callPackage ../development/libraries/qoauth { };
-
-  qolibri = libsForQt5.callPackage ../applications/misc/qolibri { };
+  qolibri = libsForQt514.callPackage ../applications/misc/qolibri { };
 
   qt3 = callPackage ../development/libraries/qt-3 {
     libpng = libpng12;
···
       inherit llvmPackages_5;
     });
 
+  qt515 = recurseIntoAttrs (makeOverridable
+    (import ../development/libraries/qt-5/5.15) {
+      inherit newScope;
+      inherit stdenv fetchurl fetchpatch fetchFromGitHub makeSetupHook makeWrapper;
+      inherit bison;
+      inherit cups;
+      inherit dconf;
+      inherit harfbuzz;
+      inherit libGL;
+      inherit perl;
+      inherit gtk3;
+      inherit (gst_all_1) gstreamer gst-plugins-base;
+      inherit llvmPackages_5;
+    });
+
   libsForQt514 = recurseIntoAttrs (lib.makeScope qt514.newScope mkLibsForQt5);
 
+  libsForQt515 = recurseIntoAttrs (lib.makeScope qt515.newScope mkLibsForQt5);
+
   # TODO bump to 5.14 on darwin once it's not broken; see #95199
-  qt5 =        if stdenv.hostPlatform.isDarwin then qt512 else qt514;
-  libsForQt5 = if stdenv.hostPlatform.isDarwin then libsForQt512 else libsForQt514;
+  qt5 =        if stdenv.hostPlatform.isDarwin then qt512 else qt515;
+  libsForQt5 = if stdenv.hostPlatform.isDarwin then libsForQt512 else libsForQt515;
 
   qt5ct = libsForQt5.callPackage ../tools/misc/qt5ct { };
 
···
 
     alkimia = callPackage ../development/libraries/alkimia { };
 
+    appstream-qt = callPackage ../development/libraries/appstream/qt.nix { };
+
+    dxflib = callPackage ../development/libraries/dxflib {};
+
     fcitx-qt5 = callPackage ../tools/inputmethods/fcitx/fcitx-qt5.nix { };
 
     qgpgme = callPackage ../development/libraries/gpgme { };
···
 
     phonon-backend-vlc = callPackage ../development/libraries/phonon/backends/vlc.nix { };
 
+    plasma-wayland-protocols = callPackage ../development/libraries/plasma-wayland-protocols { };
+
     polkit-qt = callPackage ../development/libraries/polkit-qt-1/qt-5.nix { };
 
     poppler = callPackage ../development/libraries/poppler {
···
     qmltermwidget = callPackage ../development/libraries/qmltermwidget {
       inherit (darwin.apple_sdk.libs) utmp;
     };
-    qmlbox2d = libsForQt5.callPackage ../development/libraries/qmlbox2d { };
+
+    qmlbox2d = callPackage ../development/libraries/qmlbox2d { };
+
+    qoauth = callPackage ../development/libraries/qoauth { };
 
     qscintilla = callPackage ../development/libraries/qscintilla {
       withQt5 = true;
···
       withQt5 = true;
     };
 
+    qtpbfimageplugin = callPackage ../development/libraries/qtpbfimageplugin { };
+
     qtstyleplugins = callPackage ../development/libraries/qtstyleplugins { };
 
-    qtstyleplugin-kvantum = libsForQt5.callPackage ../development/libraries/qtstyleplugin-kvantum { };
+    qtstyleplugin-kvantum = callPackage ../development/libraries/qtstyleplugin-kvantum { };
 
     quazip = callPackage ../development/libraries/quazip { };
 
     qwt = callPackage ../development/libraries/qwt/6.nix { };
+
+    soqt = callPackage ../development/libraries/soqt { };
 
     telepathy = callPackage ../development/libraries/telepathy/qt { };
 
···
 
   qtkeychain = callPackage ../development/libraries/qtkeychain { };
 
-  qtpbfimageplugin = libsForQt5.callPackage ../development/libraries/qtpbfimageplugin { };
-
   qtscriptgenerator = callPackage ../development/libraries/qtscriptgenerator { };
 
   quesoglc = callPackage ../development/libraries/quesoglc { };
···
 
   qrupdate = callPackage ../development/libraries/qrupdate { };
 
-  qgnomeplatform =  libsForQt5.callPackage ../development/libraries/qgnomeplatform { };
+  qgnomeplatform =  libsForQt514.callPackage ../development/libraries/qgnomeplatform { };
 
   randomx = callPackage ../development/libraries/randomx { };
 
···
   sope = callPackage ../development/libraries/sope { };
 
   soprano = callPackage ../development/libraries/soprano { };
-
-  soqt = callPackage ../development/libraries/soqt { };
 
   sord = callPackage ../development/libraries/sord {};
 
···
                                           CoreText IOSurface ImageIO OpenGL GLUT;
   };
 
-  vtk_9 = libsForQt5.callPackage ../development/libraries/vtk/9.x.nix {
+  vtk_9 = libsForQt514.callPackage ../development/libraries/vtk/9.x.nix {
     inherit (darwin) libobjc;
     inherit (darwin.apple_sdk.libs) xpc;
     inherit (darwin.apple_sdk.frameworks) Cocoa CoreServices DiskArbitration
···
     });
   };
 
-  vtkWithQt5 = vtk.override { qtLib = qt5; };
+  vtkWithQt5 = vtk.override { qtLib = qt514; };
 
   vxl = callPackage ../development/libraries/vxl {
     libpng = libpng12;
···
     inherit (darwin.apple_sdk.frameworks) CoreServices AudioUnit Cocoa;
   };
 
-  qpaeq = qt5.callPackage ../servers/pulseaudio/qpaeq.nix { };
+  qpaeq = libsForQt514.callPackage ../servers/pulseaudio/qpaeq.nix { };
 
   pulseaudioFull = pulseaudio.override {
     x11Support = true;
···
 
   fatrace = callPackage ../os-specific/linux/fatrace { };
 
-  ffado = libsForQt5.callPackage ../os-specific/linux/ffado {
+  ffado = libsForQt514.callPackage ../os-specific/linux/ffado {
     inherit (pkgs.linuxPackages) kernel;
   };
   libffado = ffado;
···
 
   kawkab-mono-font = callPackage ../data/fonts/kawkab-mono {};
 
-  kde2-decoration = libsForQt5.callPackage ../data/themes/kde2 { };
+  kde2-decoration = libsForQt514.callPackage ../data/themes/kde2 { };
 
   kochi-substitute = callPackage ../data/fonts/kochi-substitute {};
 
···
 
   qogir-theme = callPackage ../data/themes/qogir { };
 
-  qtcurve = libsForQt5.callPackage ../data/themes/qtcurve {};
+  qtcurve = libsForQt514.callPackage ../data/themes/qtcurve {};
 
   redhat-official-fonts = callPackage ../data/fonts/redhat-official { };
 
···
 
   qgo = libsForQt5.callPackage ../games/qgo { };
 
-  qmc2 = libsForQt5.callPackage ../misc/emulators/qmc2 { };
+  qmc2 = libsForQt514.callPackage ../misc/emulators/qmc2 { };
 
   quattrocento = callPackage ../data/fonts/quattrocento {};
 
···
 
   zafiro-icons = callPackage ../data/icons/zafiro-icons { };
 
-  zeal = libsForQt5.callPackage ../data/documentation/zeal { };
+  zeal = libsForQt514.callPackage ../data/documentation/zeal { };
 
   zilla-slab = callPackage ../data/fonts/zilla-slab { };
 
···
 
   ahoviewer = callPackage ../applications/graphics/ahoviewer { };
 
-  airwave = callPackage ../applications/audio/airwave { };
+  airwave = callPackage ../applications/audio/airwave { qt5 = qt514; };
 
   akira-unstable = callPackage ../applications/graphics/akira { };
 
···
 
   msgviewer = callPackage ../applications/networking/mailreaders/msgviewer { };
 
-  amarok = libsForQt5.callPackage ../applications/audio/amarok { };
+  amarok = libsForQt514.callPackage ../applications/audio/amarok { };
   amarok-kf5 = amarok; # for compatibility
 
   amfora = callPackage ../applications/networking/browsers/amfora { };
···
 
   antfs-cli = callPackage ../applications/misc/antfs-cli {};
 
-  antimony = libsForQt5.callPackage ../applications/graphics/antimony {};
+  antimony = libsForQt514.callPackage ../applications/graphics/antimony {};
 
   antiword = callPackage ../applications/office/antiword {};
 
···
 
   bambootracker = libsForQt5.callPackage ../applications/audio/bambootracker { };
 
-  cadence =  qt5.callPackage ../applications/audio/cadence { };
+  cadence = libsForQt514.callPackage ../applications/audio/cadence { };
 
   cheesecutter = callPackage ../applications/audio/cheesecutter { };
 
···
 
   bevelbar = callPackage ../applications/window-managers/bevelbar { };
 
-  bibletime = libsForQt5.callPackage ../applications/misc/bibletime { };
+  bibletime = libsForQt514.callPackage ../applications/misc/bibletime { };
 
   bino3d = libsForQt5.callPackage ../applications/video/bino3d {
     glew = glew110;
···
 
   calculix = callPackage ../applications/science/math/calculix {};
 
-  calibre-py2 = libsForQt5.callPackage ../applications/misc/calibre { pythonPackages = python2Packages; };
+  calibre-py2 = libsForQt514.callPackage ../applications/misc/calibre { pythonPackages = python2Packages; };
 
-  calibre-py3 = libsForQt5.callPackage ../applications/misc/calibre { pythonPackages = python3Packages; };
+  calibre-py3 = libsForQt514.callPackage ../applications/misc/calibre { pythonPackages = python3Packages; };
 
   calibre = calibre-py3;
 
-  calligra = libsForQt5.callPackage ../applications/office/calligra {
+  calligra = libsForQt514.callPackage ../applications/office/calligra {
     inherit (kdeApplications) akonadi-calendar akonadi-contacts;
     openjpeg = openjpeg_1;
     poppler = poppler_0_61;
···
 
   carddav-util = callPackage ../tools/networking/carddav-util { };
 
-  carla = qt5.callPackage ../applications/audio/carla { };
+  carla = libsForQt514.callPackage ../applications/audio/carla { };
 
   castor = callPackage ../applications/networking/browsers/castor { };
 
···
 
   cava = callPackage ../applications/audio/cava { };
 
-  cb2bib = libsForQt5.callPackage ../applications/office/cb2bib { };
+  cb2bib = libsForQt514.callPackage ../applications/office/cb2bib { };
 
   cbatticon = callPackage ../applications/misc/cbatticon { };
 
···
 
   clightd = callPackage ../applications/misc/clight/clightd.nix { };
 
-  clipgrab = qt5.callPackage ../applications/video/clipgrab { };
+  clipgrab = libsForQt514.callPackage ../applications/video/clipgrab { };
 
   clipmenu = callPackage ../applications/misc/clipmenu { };
 
···
 
   cntr = callPackage ../applications/virtualization/cntr { };
 
-  communi = libsForQt5.callPackage ../applications/networking/irc/communi { };
+  communi = libsForQt514.callPackage ../applications/networking/irc/communi { };
 
   confclerk = callPackage ../applications/misc/confclerk { };
 
-  copyq = libsForQt5.callPackage ../applications/misc/copyq { };
+  copyq = libsForQt514.callPackage ../applications/misc/copyq { };
 
   coriander = callPackage ../applications/video/coriander {
     inherit (gnome2) libgnomeui GConf;
···
     pygments = python27Packages.pygments;
   };
 
-  csound-qt = libsForQt5.callPackage ../applications/audio/csound/csound-qt {
+  csound-qt = libsForQt514.callPackage ../applications/audio/csound/csound-qt {
     python = python27;
   };
 
···
 
   coyim = callPackage ../applications/networking/instant-messengers/coyim {};
 
-  cq-editor = libsForQt5.callPackage ../applications/graphics/cq-editor {
+  cq-editor = libsForQt514.callPackage ../applications/graphics/cq-editor {
     python3Packages = python37Packages;
   };
 
···
 
   curseradio = callPackage ../applications/audio/curseradio { };
 
-  cutecom = libsForQt5.callPackage ../tools/misc/cutecom { };
+  cutecom = libsForQt514.callPackage ../tools/misc/cutecom { };
 
   cvs = callPackage ../applications/version-management/cvs { };
 
···
 
   dfasma = libsForQt5.callPackage ../applications/audio/dfasma { };
 
-  dfilemanager = libsForQt5.callPackage ../applications/misc/dfilemanager { };
+  dfilemanager = libsForQt514.callPackage ../applications/misc/dfilemanager { };
 
   dia = callPackage ../applications/graphics/dia {
     inherit (pkgs.gnome2) libart_lgpl libgnomeui;
···
 
   drawio = callPackage ../applications/graphics/drawio {};
 
-  drawpile = libsForQt5.callPackage ../applications/graphics/drawpile { };
-  drawpile-server-headless = libsForQt5.callPackage ../applications/graphics/drawpile {
+  drawpile = libsForQt514.callPackage ../applications/graphics/drawpile { };
+  drawpile-server-headless = libsForQt514.callPackage ../applications/graphics/drawpile {
     buildClient = false;
     buildServerGui = false;
   };
···
 
   ekho = callPackage ../applications/audio/ekho { };
 
-  electron-cash = libsForQt5.callPackage ../applications/misc/electron-cash { };
+  electron-cash = libsForQt514.callPackage ../applications/misc/electron-cash { };
 
-  electrum = libsForQt5.callPackage ../applications/misc/electrum { };
+  electrum = libsForQt514.callPackage ../applications/misc/electrum { };
 
   electrum-dash = callPackage ../applications/misc/electrum/dash.nix { };
 
-  electrum-ltc = libsForQt5.callPackage ../applications/misc/electrum/ltc.nix { };
+  electrum-ltc = libsForQt514.callPackage ../applications/misc/electrum/ltc.nix { };
 
   elementary-planner = callPackage ../applications/office/elementary-planner { };
 
···
 
   evilvte = callPackage ../applications/misc/evilvte (config.evilvte or {});
 
-  evilpixie = libsForQt5.callPackage ../applications/graphics/evilpixie { };
+  evilpixie = libsForQt514.callPackage ../applications/graphics/evilpixie { };
 
   exercism = callPackage ../applications/misc/exercism { };
 
···
 
   freewheeling = callPackage ../applications/audio/freewheeling { };
 
-  fritzing = libsForQt5.callPackage ../applications/science/electronics/fritzing { };
+  fritzing = libsForQt514.callPackage ../applications/science/electronics/fritzing { };
 
   fsv = callPackage ../applications/misc/fsv { };
 
···
 
   geoipupdate = callPackage ../applications/misc/geoipupdate/default.nix { };
 
-  ghostwriter = libsForQt5.callPackage ../applications/editors/ghostwriter { };
+  ghostwriter = libsForQt514.callPackage ../applications/editors/ghostwriter { };
 
   gitweb = callPackage ../applications/version-management/git-and-tools/gitweb { };
 
···
 
   gr-osmosdr = callPackage ../applications/radio/gnuradio/osmosdr.nix { };
 
-  goldendict = libsForQt5.callPackage ../applications/misc/goldendict {
+  goldendict = libsForQt514.callPackage ../applications/misc/goldendict {
     inherit (darwin) libiconv;
   };
 
···
   inherit (ocamlPackages) google-drive-ocamlfuse;
 
   google-musicmanager = callPackage ../applications/audio/google-musicmanager {
-    inherit (qt5) qtbase qtwebkit;
+    inherit (qt514) qtbase qtwebkit;
     # Downgrade to 1.34 to get libidn.so.11
     libidn = (libidn.overrideAttrs (oldAttrs: {
       src = fetchurl {
···
 
   gpx = callPackage ../applications/misc/gpx { };
 
-  gqrx = qt5.callPackage ../applications/radio/gqrx { };
+  gqrx = libsForQt514.callPackage ../applications/radio/gqrx { };
 
   gpx-viewer = callPackage ../applications/misc/gpx-viewer { };
 
···
 
   redoflacs = callPackage ../applications/audio/redoflacs { };
 
-  flameshot = libsForQt5.callPackage ../tools/misc/flameshot { };
+  flameshot = libsForQt514.callPackage ../tools/misc/flameshot { };
 
   flashplayer = callPackage ../applications/networking/browsers/mozilla-plugins/flashplayer (config.flashplayer or {});
 
···
 
   fractal = callPackage ../applications/networking/instant-messengers/fractal { };
 
-  freecad = qt5.callPackage ../applications/graphics/freecad {
+  freecad = libsForQt514.callPackage ../applications/graphics/freecad {
     mpi = openmpi;
     # pyside2 5.12 is broken under python 3.8
     python3Packages = python37Packages;
···
 
   freerdpUnstable = freerdp;
 
-  friture = libsForQt5.callPackage ../applications/audio/friture { };
+  friture = libsForQt514.callPackage ../applications/audio/friture { };
 
   fte = callPackage ../applications/editors/fte { };
 
···
     opencv = python37Packages.opencv3;
   };
 
-  manuskript = libsForQt5.callPackage ../applications/editors/manuskript { };
+  manuskript = libsForQt514.callPackage ../applications/editors/manuskript { };
 
   manul = callPackage ../development/tools/manul { };
 
-  mindforger = libsForQt5.callPackage ../applications/editors/mindforger { };
+  mindforger = libsForQt514.callPackage ../applications/editors/mindforger { };
 
   mi2ly = callPackage ../applications/audio/mi2ly {};
 
   moe =  callPackage ../applications/editors/moe { };
 
-  multibootusb = qt5.callPackage ../applications/misc/multibootusb {};
+  multibootusb = libsForQt514.callPackage ../applications/misc/multibootusb { qt5 = qt514; };
 
   praat = callPackage ../applications/audio/praat { };
 
···
 
   gosmore = callPackage ../applications/misc/gosmore { };
 
-  gpsbabel = libsForQt5.callPackage ../applications/misc/gpsbabel {
+  gpsbabel = libsForQt514.callPackage ../applications/misc/gpsbabel {
     inherit (darwin) IOKit;
   };
 
-  gpsbabel-gui = libsForQt5.callPackage ../applications/misc/gpsbabel/gui.nix { };
+  gpsbabel-gui = libsForQt514.callPackage ../applications/misc/gpsbabel/gui.nix { };
 
   gpscorrelate = callPackage ../applications/misc/gpscorrelate { };
 
···
   # Impressive, formerly known as "KeyJNote".
   impressive = callPackage ../applications/office/impressive { };
 
-  inkcut = libsForQt5.callPackage ../applications/misc/inkcut { };
+  inkcut = libsForQt514.callPackage ../applications/misc/inkcut { };
 
   inkscape = callPackage ../applications/graphics/inkscape {
     lcms = lcms2;
···
     lcms = lcms2;
   };
 
-  inspectrum = libsForQt5.callPackage ../applications/radio/inspectrum { };
+  inspectrum = libsForQt514.callPackage ../applications/radio/inspectrum { };
 
   ion3 = callPackage ../applications/window-managers/ion-3 {
     lua = lua5_1;
   };
 
-  ipe = libsForQt5.callPackage ../applications/graphics/ipe {
+  ipe = libsForQt514.callPackage ../applications/graphics/ipe {
     ghostscript = ghostscriptX;
     texlive = texlive.combine { inherit (texlive) scheme-small; };
     lua5 = lua5_3;
···
 
   k3s = callPackage ../applications/networking/cluster/k3s {};
 
-  k9copy = libsForQt5.callPackage ../applications/video/k9copy {};
+  k9copy = libsForQt514.callPackage ../applications/video/k9copy {};
 
   kail = callPackage ../tools/networking/kail {  };
 
···
     let
       mkApplications = import ../applications/kde;
       attrs = {
-        inherit lib libsForQt5 fetchurl;
+        libsForQt5 = libsForQt514;
+        inherit lib fetchurl;
         inherit okteta;
       };
     in
···
 
   k4dirstat = libsForQt5.callPackage ../applications/misc/k4dirstat { };
 
-  kdeconnect = libsForQt5.callPackage ../applications/misc/kdeconnect { };
+  kdeconnect = libsForQt514.callPackage ../applications/misc/kdeconnect { };
 
   inherit (kdeFrameworks) kdesu;
 
-  kdevelop-pg-qt = libsForQt5.callPackage ../applications/editors/kdevelop5/kdevelop-pg-qt.nix { };
+  kdevelop-pg-qt = libsForQt514.callPackage ../applications/editors/kdevelop5/kdevelop-pg-qt.nix { };
 
-  kdevelop-unwrapped = libsForQt5.callPackage ../applications/editors/kdevelop5/kdevelop.nix {
+  kdevelop-unwrapped = libsForQt514.callPackage ../applications/editors/kdevelop5/kdevelop.nix {
     llvmPackages = llvmPackages_10;
   };
 
-  kdev-php = libsForQt5.callPackage ../applications/editors/kdevelop5/kdev-php.nix { };
-  kdev-python = libsForQt5.callPackage ../applications/editors/kdevelop5/kdev-python.nix {
+  kdev-php = libsForQt514.callPackage ../applications/editors/kdevelop5/kdev-php.nix { };
+  kdev-python = libsForQt514.callPackage ../applications/editors/kdevelop5/kdev-python.nix {
     python = python3;
   };
 
···
 
   kermit = callPackage ../tools/misc/kermit { };
 
-  kexi = libsForQt5.callPackage ../applications/office/kexi { };
+  kexi = libsForQt514.callPackage ../applications/office/kexi { };
 
   khronos = callPackage ../applications/office/khronos { };
 
···
 
   keyfinder-cli = libsForQt5.callPackage ../applications/audio/keyfinder-cli { };
 
-  kgraphviewer = libsForQt5.callPackage ../applications/graphics/kgraphviewer { };
+  kgraphviewer = libsForQt514.callPackage ../applications/graphics/kgraphviewer { };
 
   khal = callPackage ../applications/misc/khal { };
 
···
 
   kmplayer = libsForQt5.callPackage ../applications/video/kmplayer { };
 
-  kmymoney = libsForQt5.callPackage ../applications/office/kmymoney {
+  kmymoney = libsForQt514.callPackage ../applications/office/kmymoney {
     inherit (kdeApplications) kidentitymanagement;
     inherit (kdeFrameworks) kdewebkit;
   };
···
 
   kondo = callPackage ../applications/misc/kondo { };
 
-  konversation = libsForQt5.callPackage ../applications/networking/irc/konversation { };
+  konversation = libsForQt514.callPackage ../applications/networking/irc/konversation { };
 
-  kotatogram-desktop = qt5.callPackage ../applications/networking/instant-messengers/telegram/kotatogram-desktop { };
+  kotatogram-desktop = libsForQt514.callPackage ../applications/networking/instant-messengers/telegram/kotatogram-desktop { };
 
   kpt = callPackage ../applications/networking/cluster/kpt { };
 
-  krita = libsForQt5.callPackage ../applications/graphics/krita {
+  krita = libsForQt514.callPackage ../applications/graphics/krita {
     openjpeg = openjpeg_1;
   };
 
-  krusader = libsForQt5.callPackage ../applications/misc/krusader { };
+  krusader = libsForQt514.callPackage ../applications/misc/krusader { };
 
   ksuperkey = callPackage ../tools/X11/ksuperkey { };
 
   ktimetracker = libsForQt5.callPackage ../applications/office/ktimetracker { };
 
-  ktorrent = libsForQt5.callPackage ../applications/networking/p2p/ktorrent { };
+  ktorrent = libsForQt514.callPackage ../applications/networking/p2p/ktorrent { };
 
   kubecfg = callPackage ../applications/networking/cluster/kubecfg { };
 
···
     python3Packages = python36Packages;
   };
 
-  kvirc = libsForQt5.callPackage ../applications/networking/irc/kvirc { };
+  kvirc = libsForQt514.callPackage ../applications/networking/irc/kvirc { };
 
   lame = callPackage ../development/libraries/lame { };
 
···
 
   legit = gitAndTools.legit;
 
-  leo-editor = libsForQt5.callPackage ../applications/editors/leo-editor { };
+  leo-editor = libsForQt514.callPackage ../applications/editors/leo-editor { };
 
   libowfat = callPackage ../development/libraries/libowfat { };
 
-  librecad = libsForQt5.callPackage ../applications/misc/librecad { };
+  librecad = libsForQt514.callPackage ../applications/misc/librecad { };
 
   libreoffice = hiPrio libreoffice-still;
   libreoffice-unwrapped = libreoffice.libreoffice;
···
   };
 
   libreoffice-qt = lowPrio (callPackage ../applications/office/libreoffice/wrapper.nix {
-    libreoffice = libsForQt5.callPackage ../applications/office/libreoffice
+    libreoffice = libsForQt514.callPackage ../applications/office/libreoffice
       (libreoffice-args // {
         kdeIntegration = true;
         variant = "fresh";
···
 
   loxodo = callPackage ../applications/misc/loxodo { };
 
-  lsd2dsl = libsForQt5.callPackage ../applications/misc/lsd2dsl { };
+  lsd2dsl = libsForQt514.callPackage ../applications/misc/lsd2dsl { };
 
   lrzsz = callPackage ../tools/misc/lrzsz { };
 
   lsp-plugins = callPackage ../applications/audio/lsp-plugins { };
 
-  luminanceHDR = libsForQt5.callPackage ../applications/graphics/luminance-hdr { };
+  luminanceHDR = libsForQt514.callPackage ../applications/graphics/luminance-hdr { };
 
   lxdvdrip = callPackage ../applications/video/lxdvdrip { };
 
···
 
   mandelbulber = libsForQt5.callPackage ../applications/graphics/mandelbulber { };
 
-  mapmap = libsForQt5.callPackage ../applications/video/mapmap { };
+  mapmap = libsForQt514.callPackage ../applications/video/mapmap { };
 
   marathonctl = callPackage ../tools/virtualization/marathonctl { } ;
 
···
 
   meme = callPackage ../applications/graphics/meme { };
 
-  mendeley = libsForQt5.callPackage ../applications/office/mendeley {
+  mendeley = libsForQt514.callPackage ../applications/office/mendeley {
     gconf = pkgs.gnome2.GConf;
   };
 
···
 
   mercurialFull = appendToName "full" (pkgs.mercurial.override { guiSupport = true; });
 
-  merkaartor = libsForQt5.callPackage ../applications/misc/merkaartor { };
+  merkaartor = libsForQt514.callPackage ../applications/misc/merkaartor { };
 
   meshlab = libsForQt5.callPackage ../applications/graphics/meshlab { };
 
···
 
   minishift = callPackage ../applications/networking/cluster/minishift { };
 
-  minitube = libsForQt5.callPackage ../applications/video/minitube { };
+  minitube = libsForQt514.callPackage ../applications/video/minitube { };
 
   mimic = callPackage ../applications/audio/mimic { };
 
···
       jackSupport = config.mumble.jackSupport or false;
       speechdSupport = config.mumble.speechdSupport or false;
       pulseSupport = config.pulseaudio or stdenv.isLinux;
+      qt5 = qt514;
     }).mumble;
 
   mumble_overlay = callPackage ../applications/networking/mumble/overlay.nix {
···
     if stdenv.isDarwin then
       callPackage ../applications/audio/musescore/darwin.nix { }
     else
-      libsForQt5.callPackage ../applications/audio/musescore { };
+      libsForQt514.callPackage ../applications/audio/musescore { };
 
   mmh = callPackage ../applications/networking/mailreaders/mmh { };
   mutt = callPackage ../applications/networking/mailreaders/mutt { };
···
 
   osm2pgsql = callPackage ../tools/misc/osm2pgsql { };
 
-  ostinato = callPackage ../applications/networking/ostinato { };
+  ostinato = callPackage ../applications/networking/ostinato {
+    wireshark = wireshark.override { qt5 = qt514; };
+  };
 
   p4 = callPackage ../applications/version-management/p4 { };
-  p4v = libsForQt5.callPackage ../applications/version-management/p4v { };
+  p4v = libsForQt514.callPackage ../applications/version-management/p4v { };
 
   partio = callPackage ../development/libraries/partio {};
 
···
 
   planner = callPackage ../applications/office/planner { };
 
-  plasma-wayland-protocols = libsForQt5.callPackage ../development/libraries/plasma-wayland-protocols { };
-
   playonlinux = callPackage ../applications/misc/playonlinux {
      stdenv = stdenv_32bit;
   };
···
     i3GapsSupport = false;
   };
 
-  polyphone = libsForQt5.callPackage ../applications/audio/polyphone { };
+  polyphone = libsForQt514.callPackage ../applications/audio/polyphone { };
 
   portfolio = callPackage ../applications/office/portfolio {
     jre = openjdk11;
···
 
   qbec = callPackage ../applications/networking/cluster/qbec { };
 
-  rssguard = libsForQt5.callPackage ../applications/networking/feedreaders/rssguard { };
+  rssguard = libsForQt514.callPackage ../applications/networking/feedreaders/rssguard { };
 
   scudcloud = callPackage ../applications/networking/instant-messengers/scudcloud { };
 
-  shotcut = libsForQt5.callPackage ../applications/video/shotcut {
+  shotcut = libsForQt514.callPackage ../applications/video/shotcut {
     libmlt = mlt;
   };
 
···
     };
   };
 
-  sky = callPackage ../applications/networking/instant-messengers/sky {};
+  sky = callPackage ../applications/networking/instant-messengers/sky {
+    qt5 = qt514;
+  };
 
   smplayer = libsForQt5.callPackage ../applications/video/smplayer { };
 
-  smtube = libsForQt5.callPackage ../applications/video/smtube {};
+  smtube = libsForQt514.callPackage ../applications/video/smtube {};
 
   softmaker-office = callPackage ../applications/office/softmaker/softmaker_office.nix {};
 
···
   };
 
   synfigstudio = callPackage ../applications/graphics/synfigstudio {
-    mlt-qt5 = libsForQt5.mlt;
+    mlt-qt5 = libsForQt514.mlt;
   };
 
   typora = callPackage ../applications/editors/typora { };
···
 
   mypaint-brushes = callPackage ../development/libraries/mypaint-brushes { };
 
-  mythtv = libsForQt5.callPackage ../applications/video/mythtv { };
+  mythtv = libsForQt514.callPackage ../applications/video/mythtv { };
 
   micro = callPackage ../applications/editors/micro { };
 
···
 
   nomacs = libsForQt5.callPackage ../applications/graphics/nomacs { };
 
-  notepadqq = libsForQt5.callPackage ../applications/editors/notepadqq { };
+  notepadqq = libsForQt514.callPackage ../applications/editors/notepadqq { };
 
   notbit = callPackage ../applications/networking/mailreaders/notbit { };
 
···
 
   obs-linuxbrowser = callPackage ../applications/video/obs-studio/linuxbrowser.nix { };
 
-  obs-studio = libsForQt5.callPackage ../applications/video/obs-studio { };
+  obs-studio = libsForQt514.callPackage ../applications/video/obs-studio { };
 
   obs-wlrobs = callPackage ../applications/video/obs-studio/wlrobs.nix { };
 
-  obs-v4l2sink = libsForQt5.callPackage ../applications/video/obs-studio/v4l2sink.nix { };
+  obs-v4l2sink = libsForQt514.callPackage ../applications/video/obs-studio/v4l2sink.nix { };
 
-  obs-ndi = callPackage ../applications/video/obs-studio/obs-ndi.nix { };
+  obs-ndi = libsForQt514.callPackage ../applications/video/obs-studio/obs-ndi.nix { };
 
   obsidian = callPackage ../applications/misc/obsidian { };
 
···
 
   openjump = callPackage ../applications/misc/openjump { };
 
-  openorienteering-mapper = libsForQt5.callPackage ../applications/gis/openorienteering-mapper { };
+  openorienteering-mapper = libsForQt514.callPackage ../applications/gis/openorienteering-mapper { };
 
   openscad = libsForQt5.callPackage ../applications/graphics/openscad {};
 
   opentimestamps-client = python3Packages.callPackage ../tools/misc/opentimestamps-client {};
 
-  opentoonz = (qt5.overrideScope' (_: _: {
+  opentoonz = (qt514.overrideScope' (_: _: {
     libtiff = callPackage ../applications/graphics/opentoonz/libtiff.nix { };
   })).callPackage ../applications/graphics/opentoonz { };
 
···
 
   plex-mpv-shim = python3Packages.callPackage ../applications/video/plex-mpv-shim { };
 
-  plover = recurseIntoAttrs (libsForQt5.callPackage ../applications/misc/plover { });
+  plover = recurseIntoAttrs (libsForQt514.callPackage ../applications/misc/plover { });
 
   plugin-torture = callPackage ../applications/audio/plugin-torture { };
 
···
 
   ps2client = callPackage ../applications/networking/ps2client { };
 
-  psi = libsForQt5.callPackage ../applications/networking/instant-messengers/psi { };
+  psi = libsForQt514.callPackage ../applications/networking/instant-messengers/psi { };
 
-  psi-plus = libsForQt5.callPackage ../applications/networking/instant-messengers/psi-plus { };
+  psi-plus = libsForQt514.callPackage ../applications/networking/instant-messengers/psi-plus { };
 
   psol = callPackage ../development/libraries/psol { };
 
···
 
   pulseaudio-dlna = callPackage ../applications/audio/pulseaudio-dlna { };
 
-  pulseview = libsForQt5.callPackage ../applications/science/electronics/pulseview { };
+  pulseview = libsForQt514.callPackage ../applications/science/electronics/pulseview { };
 
   puredata = callPackage ../applications/audio/puredata { };
   puredata-with-plugins = plugins: callPackage ../applications/audio/puredata/wrapper.nix { inherit plugins; };
···
 
   qemu-utils = callPackage ../applications/virtualization/qemu/utils.nix {};
 
-  qgis-unwrapped = libsForQt5.callPackage ../applications/gis/qgis/unwrapped.nix {
+  qgis-unwrapped = libsForQt514.callPackage ../applications/gis/qgis/unwrapped.nix {
       withGrass = false;
   };
 
···
 
   qimgv = libsForQt5.callPackage ../applications/graphics/qimgv { };
 
-  qlandkartegt = libsForQt5.callPackage ../applications/misc/qlandkartegt {};
+  qlandkartegt = libsForQt514.callPackage ../applications/misc/qlandkartegt {};
 
   garmindev = callPackage ../applications/misc/qlandkartegt/garmindev.nix {};
 
-  qmapshack = libsForQt5.callPackage ../applications/misc/qmapshack { };
+  qmapshack = libsForQt514.callPackage ../applications/misc/qmapshack { };
 
   qmediathekview = libsForQt5.callPackage ../applications/video/qmediathekview {
     boost = boost17x;
···
 
   qmmp = libsForQt5.callPackage ../applications/audio/qmmp { };
 
-  qnotero = libsForQt5.callPackage ../applications/office/qnotero { };
+  qnotero = libsForQt514.callPackage ../applications/office/qnotero { };
 
   qrcode = callPackage ../tools/graphics/qrcode {};
 
···
 
   qsstv = qt5.callPackage ../applications/radio/qsstv { };
 
-  qsyncthingtray = libsForQt5.callPackage ../applications/misc/qsyncthingtray { };
+  qsyncthingtray = libsForQt514.callPackage ../applications/misc/qsyncthingtray { };
 
   qstopmotion = libsForQt5.callPackage ../applications/video/qstopmotion {
     guvcview = guvcview.override {
···
 
   quilter = callPackage ../applications/editors/quilter { };
 
-  quiterss = libsForQt5.callPackage ../applications/networking/newsreaders/quiterss {};
+  quiterss = libsForQt514.callPackage ../applications/networking/newsreaders/quiterss {};
 
-  falkon = libsForQt5.callPackage ../applications/networking/browsers/falkon { };
+  falkon = libsForQt514.callPackage ../applications/networking/browsers/falkon { };
 
   quodlibet = callPackage ../applications/audio/quodlibet {
     keybinder3 = null;
···
 
   quodlibet-xine-full = quodlibet-full.override { xineBackend = true; tag = "-xine-full"; };
 
-  qutebrowser = libsForQt5.callPackage ../applications/networking/browsers/qutebrowser { };
+  qutebrowser = libsForQt514.callPackage ../applications/networking/browsers/qutebrowser { };
 
   rabbitvcs = callPackage ../applications/version-management/rabbitvcs {};
 
···
 
   raiseorlaunch = callPackage ../applications/misc/raiseorlaunch {};
 
-  rapcad = libsForQt5.callPackage ../applications/graphics/rapcad { boost = boost159; };
+  rapcad = libsForQt514.callPackage ../applications/graphics/rapcad { boost = boost159; };
 
-  rapid-photo-downloader = libsForQt5.callPackage ../applications/graphics/rapid-photo-downloader { };
+  rapid-photo-downloader = libsForQt514.callPackage ../applications/graphics/rapid-photo-downloader { };
 
   rapidsvn = callPackage ../applications/version-management/rapidsvn { };
 
···
 
   rclone = callPackage ../applications/networking/sync/rclone { };
 
-  rclone-browser = libsForQt5.callPackage ../applications/networking/sync/rclone/browser.nix { };
+  rclone-browser = libsForQt514.callPackage ../applications/networking/sync/rclone/browser.nix { };
 
   rcs = callPackage ../applications/version-management/rcs { };
 
···
 
   remotebox = callPackage ../applications/virtualization/remotebox { };
 
-  retroshare = libsForQt5.callPackage ../applications/networking/p2p/retroshare { };
+  retroshare = libsForQt514.callPackage ../applications/networking/p2p/retroshare { };
   retroshare06 = retroshare;
 
   rgp = libsForQt5.callPackage ../development/tools/rgp { };
···
 
   rootlesskit = callPackage ../tools/virtualization/rootlesskit {};
 
-  rpcs3 = libsForQt5.callPackage ../misc/emulators/rpcs3 { };
+  rpcs3 = libsForQt514.callPackage ../misc/emulators/rpcs3 { };
 
   rsclock = callPackage ../applications/misc/rsclock { };
 
-  rstudio = libsForQt5.callPackage ../applications/editors/rstudio {
+  rstudio = libsForQt514.callPackage ../applications/editors/rstudio {
     boost = boost166;
     llvmPackages = llvmPackages_7;
   };
···
 
   sakura = callPackage ../applications/misc/sakura { };
 
-  sayonara = libsForQt5.callPackage ../applications/audio/sayonara { };
+  sayonara = libsForQt514.callPackage ../applications/audio/sayonara { };
 
   sbagen = callPackage ../applications/misc/sbagen { };
 
   scantailor = callPackage ../applications/graphics/scantailor { };
 
-  scantailor-advanced = qt5.callPackage ../applications/graphics/scantailor/advanced.nix { };
+  scantailor-advanced = libsForQt514.callPackage ../applications/graphics/scantailor/advanced.nix { };
 
   sc-im = callPackage ../applications/misc/sc-im { };
 
···
     inherit (gnome2) libart_lgpl;
   };
 
-  scribusUnstable = libsForQt5.callPackage ../applications/office/scribus/unstable.nix { };
+  scribusUnstable = libsForQt514.callPackage ../applications/office/scribus/unstable.nix { };
 
-  seafile-client = libsForQt5.callPackage ../applications/networking/seafile-client { };
+  seafile-client = libsForQt514.callPackage ../applications/networking/seafile-client { };
 
   seeks = callPackage ../tools/networking/p2p/seeks {
     protobuf = protobuf3_1;
···
 
   maestral = with python3Packages; toPythonApplication maestral;
 
-  maestral-gui = libsForQt5.callPackage ../applications/networking/maestral-qt { };
+  maestral-gui = libsForQt514.callPackage ../applications/networking/maestral-qt { };
 
   insync = callPackage ../applications/networking/insync { };
 
···
 
   curaengine = callPackage ../applications/misc/curaengine { inherit (python3.pkgs) libarcus; };
 
-  cura = qt5.callPackage ../applications/misc/cura { };
+  cura = libsForQt514.callPackage ../applications/misc/cura { };
 
   curaPlugins = callPackage ../applications/misc/cura/plugins.nix { };
 
-  curaLulzbot = qt5.callPackage ../applications/misc/cura/lulzbot/default.nix { };
+  curaLulzbot = libsForQt514.callPackage ../applications/misc/cura/lulzbot/default.nix { };
 
   curaByDagoma = callPackage ../applications/misc/curabydagoma { };
 
···
 
   sddm = libsForQt5.callPackage ../applications/display-managers/sddm { };
 
-  skrooge = libsForQt5.callPackage ../applications/office/skrooge {};
+  skrooge = libsForQt514.callPackage ../applications/office/skrooge {};
 
   smartgithg = callPackage ../applications/version-management/smartgithg {
     jre = openjdk11;
···
 
   sipp = callPackage ../development/tools/misc/sipp { };
 
-  skanlite = libsForQt5.callPackage ../applications/office/skanlite { };
+  skanlite = libsForQt514.callPackage ../applications/office/skanlite { };
 
   soci = callPackage ../development/libraries/soci { };
 
-  sonic-lineup = libsForQt5.callPackage ../applications/audio/sonic-lineup { };
+  sonic-lineup = libsForQt514.callPackage ../applications/audio/sonic-lineup { };
 
   sonic-visualiser = libsForQt5.callPackage ../applications/audio/sonic-visualiser { };
 
···
 
   swh_lv2 = callPackage ../applications/audio/swh-lv2 { };
 
-  swift-im = libsForQt5.callPackage ../applications/networking/instant-messengers/swift-im {
+  swift-im = libsForQt514.callPackage ../applications/networking/instant-messengers/swift-im {
     inherit (gnome2) GConf;
     boost = boost168;
   };
···
 
   todoman = callPackage ../applications/office/todoman { };
 
-  toggldesktop = libsForQt5.callPackage ../applications/misc/toggldesktop { };
+  toggldesktop = libsForQt514.callPackage ../applications/misc/toggldesktop { };
 
   topydo = callPackage ../applications/misc/topydo {};
 
···
 
   tortoisehg = callPackage ../applications/version-management/tortoisehg { };
 
-  tony = libsForQt5.callPackage ../applications/audio/tony { };
+  tony = libsForQt514.callPackage ../applications/audio/tony { };
 
   toot = callPackage ../applications/misc/toot { };
 
···
 
   tribler = callPackage ../applications/networking/p2p/tribler { };
 
-  trojita = libsForQt5.callPackage ../applications/networking/mailreaders/trojita {
+  trojita = libsForQt514.callPackage ../applications/networking/mailreaders/trojita {
     inherit (kdeApplications) akonadi-contacts;
   };
 
···
 
   utox = callPackage ../applications/networking/instant-messengers/utox { };
 
-  valentina = libsForQt5.callPackage ../applications/misc/valentina { };
+  valentina = libsForQt514.callPackage ../applications/misc/valentina { };
 
   vbindiff = callPackage ../applications/editors/vbindiff { };
 
···
 
   vimacs = callPackage ../applications/editors/vim/vimacs.nix { };
 
-  qpdfview = libsForQt5.callPackage ../applications/misc/qpdfview {};
+  qpdfview = libsForQt514.callPackage ../applications/misc/qpdfview {};
 
   qtile = callPackage ../applications/window-managers/qtile {
     inherit (xorg) libxcb;
···
 
   neovim = wrapNeovim neovim-unwrapped { };
 
-  neovim-qt = libsForQt5.callPackage ../applications/editors/neovim/qt.nix { };
+  neovim-qt = libsForQt514.callPackage ../applications/editors/neovim/qt.nix { };
 
   olifant = callPackage ../applications/misc/olifant { };
 
···
     system-libvirt = libvirt;
   };
 
-  virt-manager-qt = libsForQt5.callPackage ../applications/virtualization/virt-manager/qt.nix {
+  virt-manager-qt = libsForQt514.callPackage ../applications/virtualization/virt-manager/qt.nix {
     qtermwidget = lxqt.qtermwidget;
   };
 
···
 
   virtual-ans = callPackage ../applications/audio/virtual-ans {};
 
-  virtualbox = libsForQt5.callPackage ../applications/virtualization/virtualbox {
+  virtualbox = libsForQt514.callPackage ../applications/virtualization/virtualbox {
     stdenv = stdenv_32bit;
     inherit (gnome2) libIDL;
   };
···
 
   vkeybd = callPackage ../applications/audio/vkeybd {};
 
-  vlc = libsForQt5.vlc;
+  vlc = libsForQt514.vlc;
 
   vlc_qt5 = vlc;
 
···
 
   wayvnc = callPackage ../applications/networking/remote/wayvnc { };
 
-  webcamoid = libsForQt5.callPackage ../applications/video/webcamoid { };
+  webcamoid = libsForQt514.callPackage ../applications/video/webcamoid { };
 
-  webmacs = libsForQt5.callPackage ../applications/networking/browsers/webmacs {};
+  webmacs = libsForQt514.callPackage ../applications/networking/browsers/webmacs {};
 
   webtorrent_desktop = callPackage ../applications/video/webtorrent_desktop {};
 
···
 
   worldengine-cli = python3Packages.worldengine;
 
-  wpsoffice = libsForQt5.callPackage ../applications/office/wpsoffice {};
+  wpsoffice = libsForQt514.callPackage ../applications/office/wpsoffice {};
 
   wrapFirefox = callPackage ../applications/networking/browsers/firefox/wrapper.nix { };
 
···
     inherit (gnome2) scrollkeeper libglade;
   };
 
-  xygrib = libsForQt5.callPackage ../applications/misc/xygrib/default.nix {};
+  xygrib = libsForQt514.callPackage ../applications/misc/xygrib/default.nix {};
 
   xzgv = callPackage ../applications/graphics/xzgv { };
 
···
 
   zam-plugins = callPackage ../applications/audio/zam-plugins { };
 
-  zanshin = libsForQt5.callPackage ../applications/office/zanshin {
+  zanshin = libsForQt514.callPackage ../applications/office/zanshin {
     inherit (kdeApplications) akonadi-calendar akonadi-notes akonadi-search kidentitymanagement kontactinterface kldap;
     inherit (kdeFrameworks) krunner kwallet kcalendarcore;
     boost = boost160;
···
     inherit (darwin.apple_sdk.frameworks) CoreServices;
   };
 
-  zoom-us = libsForQt5.callPackage ../applications/networking/instant-messengers/zoom-us { };
+  zoom-us = libsForQt514.callPackage ../applications/networking/instant-messengers/zoom-us { };
 
   zotero = callPackage ../applications/office/zotero { };
 
···
     withGui = false;
   };
 
-  bitcoin-unlimited  = libsForQt5.callPackage ../applications/blockchains/bitcoin-unlimited.nix {
+  bitcoin-unlimited  = libsForQt514.callPackage ../applications/blockchains/bitcoin-unlimited.nix {
     inherit (darwin.apple_sdk.frameworks) Foundation ApplicationServices AppKit;
     withGui = true;
   };
···
     withGui = false;
   };
 
-  bitcoin-classic  = libsForQt5.callPackage ../applications/blockchains/bitcoin-classic.nix { boost = boost165; withGui = true; };
+  bitcoin-classic  = libsForQt514.callPackage ../applications/blockchains/bitcoin-classic.nix { boost = boost165; withGui = true; };
   bitcoind-classic = callPackage ../applications/blockchains/bitcoin-classic.nix { boost = boost165; withGui = false; };
 
-  bitcoin-gold = libsForQt5.callPackage ../applications/blockchains/bitcoin-gold.nix { boost = boost165; withGui = true; };
+  bitcoin-gold = libsForQt514.callPackage ../applications/blockchains/bitcoin-gold.nix { boost = boost165; withGui = true; };
   bitcoind-gold = callPackage ../applications/blockchains/bitcoin-gold.nix { boost = boost165; withGui = false; };
 
   btc1 = callPackage ../applications/blockchains/btc1.nix {
···
 
   dero = callPackage ../applications/blockchains/dero.nix { boost = boost165; };
 
-  digibyte = libsForQt5.callPackage ../applications/blockchains/digibyte.nix { withGui = true; };
+  digibyte = libsForQt514.callPackage ../applications/blockchains/digibyte.nix { withGui = true; };
   digibyted = callPackage ../applications/blockchains/digibyte.nix { withGui = false; };
 
   dogecoin  = callPackage ../applications/blockchains/dogecoin.nix { boost = boost165; withGui = true; };
···
 
   ledger-live-desktop = callPackage ../applications/blockchains/ledger-live-desktop { };
 
-  litecoin  = libsForQt5.callPackage ../applications/blockchains/litecoin.nix {
+  litecoin  = libsForQt514.callPackage ../applications/blockchains/litecoin.nix {
     inherit (darwin.apple_sdk.frameworks) AppKit;
   };
   litecoind = litecoin.override { withGui = false; };
···
   namecoin  = callPackage ../applications/blockchains/namecoin.nix  { withGui = true; };
   namecoind = callPackage ../applications/blockchains/namecoin.nix { withGui = false; };
 
-  pivx = libsForQt5.callPackage ../applications/blockchains/pivx.nix { withGui = true; };
+  pivx = libsForQt514.callPackage ../applications/blockchains/pivx.nix { withGui = true; };
   pivxd = callPackage ../applications/blockchains/pivx.nix { withGui = false; };
 
   ethabi = callPackage ../applications/blockchains/ethabi.nix { };
···
 
   tessera = callPackage ../applications/blockchains/tessera.nix { };
 
-  vertcoin  = libsForQt5.callPackage ../applications/blockchains/vertcoin.nix { boost = boost165; withGui = true; };
+  vertcoin  = libsForQt514.callPackage ../applications/blockchains/vertcoin.nix { boost = boost165; withGui = true; };
   vertcoind = callPackage ../applications/blockchains/vertcoin.nix { boost = boost165; withGui = false; };
 
   wasabiwallet = callPackage ../applications/blockchains/wasabiwallet { };
···
 
   chessx = libsForQt5.callPackage ../games/chessx { };
 
-  chiaki = libsForQt5.callPackage ../games/chiaki { };
+  chiaki = libsForQt514.callPackage ../games/chiaki { };
 
   chocolateDoom = callPackage ../games/chocolate-doom { };
 
···
 
   dhewm3 = callPackage ../games/dhewm3 {};
 
-  digikam = libsForQt5.callPackage ../applications/graphics/digikam {
+  digikam = libsForQt514.callPackage ../applications/graphics/digikam {
     inherit (plasma5) oxygen;
     inherit (kdeApplications) akonadi-contacts;
     inherit (kdeFrameworks) kcalendarcore;
···
 
   freecell-solver = callPackage ../games/freecell-solver { };
 
-  freeciv = callPackage ../games/freeciv { };
+  freeciv = callPackage ../games/freeciv { qt5 = qt514; };
 
   freeciv_gtk = freeciv.override {
     gtkClient = true;
···
 
   hawkthorne = callPackage ../games/hawkthorne { love = love_0_9; };
 
-  hedgewars = libsForQt5.callPackage ../games/hedgewars {
+  hedgewars = libsForQt514.callPackage ../games/hedgewars {
     inherit (haskellPackages) ghcWithPackages;
   };
 
···
 
   papermc = callPackage ../games/papermc { };
 
-  pentobi = libsForQt5.callPackage ../games/pentobi { };
+  pentobi = libsForQt514.callPackage ../games/pentobi { };
 
   performous = callPackage ../games/performous {
     boost = boost166;
···
 
   rrootage = callPackage ../games/rrootage { };
 
-  saga = callPackage ../applications/gis/saga {
+  saga = libsForQt514.callPackage ../applications/gis/saga {
     inherit (darwin.apple_sdk.frameworks) Cocoa;
   };
 
-  samplv1 = callPackage ../applications/audio/samplv1 { };
+  samplv1 = callPackage ../applications/audio/samplv1 { qt5 = qt514; };
 
   sauerbraten = callPackage ../games/sauerbraten {};
 
···
     lua = lua5_1;
   };
 
-  solarus = libsForQt5.callPackage ../games/solarus { };
-
-  solarus-quest-editor = libsForQt5.callPackage ../development/tools/solarus-quest-editor { };
+  # solarus and solarus-quest-editor must use the same version of Qt.
+  solarus = libsForQt514.callPackage ../games/solarus { };
+  solarus-quest-editor = libsForQt514.callPackage ../development/tools/solarus-quest-editor { };
 
   # You still can override by passing more arguments.
   space-orbit = callPackage ../games/space-orbit { };
···
   lumina = recurseIntoAttrs (callPackage ../desktops/lumina { });
 
   lxqt = recurseIntoAttrs (import ../desktops/lxqt {
-    inherit pkgs libsForQt5;
+    qt5 = qt514;
+    libsForQt5 = libsForQt514;
+    inherit pkgs;
     inherit (lib) makeScope;
   });
 
···
     let
       mkPlasma5 = import ../desktops/plasma-5;
       attrs = {
-        inherit libsForQt5 lib fetchurl;
+        libsForQt5 = libsForQt514;
+        inherit lib fetchurl;
         gconf = gnome2.GConf;
         inherit gsettings-desktop-schemas;
       };
···
     plasma-workspace-wallpapers polkit-kde-agent powerdevil sddm-kcm
     systemsettings user-manager xdg-desktop-portal-kde;
 
-  plasma-applet-caffeine-plus = libsForQt5.callPackage ../desktops/plasma-5/addons/caffeine-plus.nix { };
-
-  kwin-dynamic-workspaces = libsForQt5.callPackage ../desktops/plasma-5/kwin/scripts/dynamic-workspaces.nix { };
-
-  kwin-tiling = libsForQt5.callPackage ../desktops/plasma-5/kwin/scripts/tiling.nix { };
-
-  krohnkite = libsForQt5.callPackage ../desktops/plasma-5/kwin/scripts/krohnkite.nix { };
+  inherit (plasma5.thirdParty)
+    plasma-applet-caffeine-plus
+    kwin-dynamic-workspaces
+    kwin-tiling
+    krohnkite;
 
   ### SCIENCE
 
···
 
   xfitter = callPackage ../applications/science/physics/xfitter {};
 
-  xflr5 = libsForQt5.callPackage ../applications/science/physics/xflr5 { };
+  xflr5 = libsForQt514.callPackage ../applications/science/physics/xflr5 { };
 
   ### SCIENCE/PROGRAMMING
 
···
 
   adms = callPackage ../applications/science/electronics/adms { };
 
-  appcsxcad = libsForQt5.callPackage ../applications/science/electronics/appcsxcad { };
+  appcsxcad = libsForQt514.callPackage ../applications/science/electronics/appcsxcad { };
 
   # Since version 8 Eagle requires an Autodesk account and a subscription
   # in contrast to single payment for the charged editions.
···
     openssl = openssl_1_0_2;
   };
 
-  eagle = libsForQt5.callPackage ../applications/science/electronics/eagle/eagle.nix { };
+  eagle = libsForQt514.callPackage ../applications/science/electronics/eagle/eagle.nix { };
 
   caneda = libsForQt5.callPackage ../applications/science/electronics/caneda { };
 
···
 
   pcb = callPackage ../applications/science/electronics/pcb { };
 
-  qcsxcad = libsForQt5.callPackage ../applications/science/electronics/qcsxcad { };
+  qcsxcad = libsForQt514.callPackage ../applications/science/electronics/qcsxcad { };
 
   qucs = callPackage ../applications/science/electronics/qucs { };
 
···
 
   ### SCIENCE/ROBOTICS
 
-  apmplanner2 = libsForQt5.callPackage ../applications/science/robotics/apmplanner2 { };
+  apmplanner2 = libsForQt514.callPackage ../applications/science/robotics/apmplanner2 { };
 
   betaflight-configurator = callPackage ../applications/science/robotics/betaflight-configurator { };
 
···
 
   cached-nix-shell = callPackage ../tools/nix/cached-nix-shell {};
 
-  calaos_installer = libsForQt5.callPackage ../misc/calaos/installer {};
+  calaos_installer = libsForQt514.callPackage ../misc/calaos/installer {};
 
   ccemux = callPackage ../misc/emulators/ccemux { };
 
···
 
   mamba = callPackage ../applications/audio/mamba{ };
 
-  mame = libsForQt5.callPackage ../misc/emulators/mame {
+  mame = libsForQt514.callPackage ../misc/emulators/mame {
     inherit (darwin.apple_sdk.frameworks) CoreAudioKit ForceFeedback;
   };
 
···
 
   prow = callPackage ../applications/networking/cluster/prow { };
 
-  tellico = libsForQt5.callPackage ../applications/misc/tellico { };
+  tellico = libsForQt514.callPackage ../applications/misc/tellico { };
 
   termpdfpy = python3Packages.callPackage ../applications/misc/termpdf.py {};
 
···
 
   ib-controller = callPackage ../applications/office/ib/controller { jdk=oraclejdk8; };
 
-  vnote = libsForQt5.callPackage ../applications/office/vnote { };
+  vnote = libsForQt514.callPackage ../applications/office/vnote { };
 
   ssh-audit = callPackage ../tools/security/ssh-audit { };
 
···
 
   vttest = callPackage ../tools/misc/vttest { };
 
-  wacomtablet = libsForQt5.callPackage ../tools/misc/wacomtablet { };
+  wacomtablet = libsForQt514.callPackage ../tools/misc/wacomtablet { };
 
   wasmer = callPackage ../development/interpreters/wasmer { };
 

pkgs/top-level/python-packages.nix

···
 with pkgs.lib;
 
 let
+  qt5 = pkgs.qt514;
+  libsForQt5 = pkgs.libsForQt514;
+in
+
+let
   packages = ( self:
 
 let
···
 
   maya = callPackage ../development/python-modules/maya { };
 
-  mayavi = pkgs.libsForQt5.callPackage ../development/python-modules/mayavi {
+  mayavi = libsForQt5.callPackage ../development/python-modules/mayavi {
     inherit buildPythonPackage isPy27 fetchPypi;
     inherit (self) pyface pygments numpy vtk traitsui envisage apptools pyqt5;
   };
···
 
   ovh = callPackage ../development/python-modules/ovh { };
 
-  ovito = toPythonModule (pkgs.libsForQt5.callPackage ../development/python-modules/ovito { pythonPackages = self; });
+  ovito = toPythonModule (libsForQt5.callPackage ../development/python-modules/ovito { pythonPackages = self; });
 
   owslib = callPackage ../development/python-modules/owslib { };
 
···
 
   pipx = callPackage ../development/python-modules/pipx { };
 
-  pivy = callPackage ../development/python-modules/pivy { };
+  pivy = callPackage ../development/python-modules/pivy {
+    inherit (qt5) qtbase qmake;
+    inherit (libsForQt5) soqt;
+  };
 
   pkgconfig = callPackage ../development/python-modules/pkgconfig { inherit (pkgs) pkgconfig; };
 
···
   pooch = callPackage ../development/python-modules/pooch { };
 
   poppler-qt5 = callPackage ../development/python-modules/poppler-qt5 {
-    inherit (pkgs.qt5) qtbase;
-    inherit (pkgs.libsForQt5) poppler;
+    inherit (qt5) qtbase;
+    inherit (libsForQt5) poppler;
     inherit (pkgs) pkgconfig;
   };
 
···
 
   pyqt4 = callPackage ../development/python-modules/pyqt/4.x.nix { inherit (pkgs) pkgconfig; };
 
-  pyqt5 = pkgs.libsForQt5.callPackage ../development/python-modules/pyqt/5.x.nix { pythonPackages = self; };
+  pyqt5 = libsForQt5.callPackage ../development/python-modules/pyqt/5.x.nix { pythonPackages = self; };
 
   pyqt5_with_qtmultimedia = self.pyqt5.override { withMultimedia = true; };
 
···
 
   pyqtgraph = callPackage ../development/python-modules/pyqtgraph { };
 
-  pyqtwebengine = pkgs.libsForQt5.callPackage ../development/python-modules/pyqtwebengine { pythonPackages = self; };
+  pyqtwebengine = libsForQt5.callPackage ../development/python-modules/pyqtwebengine { pythonPackages = self; };
 
   pyquery = callPackage ../development/python-modules/pyquery { };
 
···
   pyshp = callPackage ../development/python-modules/pyshp { };
 
   pyside2-tools =
-    toPythonModule (callPackage ../development/python-modules/pyside2-tools { inherit (pkgs) cmake qt5; });
+    toPythonModule (callPackage ../development/python-modules/pyside2-tools { inherit (pkgs) cmake; inherit qt5; });
 
-  pyside2 = toPythonModule (callPackage ../development/python-modules/pyside2 { inherit (pkgs) cmake qt5 ninja; });
+  pyside2 = toPythonModule (callPackage ../development/python-modules/pyside2 { inherit (pkgs) cmake ninja; inherit qt5; });
 
   pyside = callPackage ../development/python-modules/pyside { inherit (pkgs) mesa; };
 
···
 
   qscintilla-qt4 = callPackage ../development/python-modules/qscintilla { };
 
-  qscintilla-qt5 = pkgs.libsForQt5.callPackage ../development/python-modules/qscintilla-qt5 { pythonPackages = self; };
+  qscintilla-qt5 = libsForQt5.callPackage ../development/python-modules/qscintilla-qt5 { pythonPackages = self; };
 
   qscintilla = self.qscintilla-qt4;
 
···
   robomachine = callPackage ../development/python-modules/robomachine { };
 
   roboschool = callPackage ../development/python-modules/roboschool {
-    inherit (pkgs) pkgconfig;
-  }; # use normal pkgconfig, not the python package
+    inherit (pkgs) pkgconfig; # use normal pkgconfig, not the python package
+    inherit (qt5) qtbase;
+  };
 
   robot-detection = callPackage ../development/python-modules/robot-detection { };
 
···
   shellingham = callPackage ../development/python-modules/shellingham { };
 
   shiboken2 =
-    toPythonModule (callPackage ../development/python-modules/shiboken2 { inherit (pkgs) cmake qt5 llvmPackages; });
+    toPythonModule (callPackage ../development/python-modules/shiboken2 { inherit (pkgs) cmake llvmPackages; inherit qt5; });
 
   shippai = callPackage ../development/python-modules/shippai { };