fix evals /cc @ttuegel

pkgs/applications/audio/musescore/default.nix

@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    makeWrapper cmake qt5 pkgconfig alsaLib portaudio jack2 lame libsndfile libvorbis
+    makeWrapper cmake qt5.base pkgconfig alsaLib portaudio jack2 lame libsndfile libvorbis
   ];
 
   patchPhase = ''

pkgs/applications/audio/sonic-visualiser/default.nix

@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs =
-    [ libsndfile qt5 fftw /* should be fftw3f ??*/ bzip2 librdf rubberband
+    [ libsndfile qt5.base fftw /* should be fftw3f ??*/ bzip2 librdf rubberband
       libsamplerate vampSDK alsaLib librdf_raptor librdf_rasqal redland
       serd
       sord

pkgs/applications/display-managers/lightdm/default.nix

@@ -17,15 +17,15 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     pkgconfig pam libxcb glib libXdmcp itstool libxml2 intltool libxklavier libgcrypt
-    qt4 qt5
-  ];
+    qt4
+  ] ++ stdenv.lib.optional (qt5 != null) qt5.base;
 
   configureFlags = [
     "--enable-liblightdm-gobject"
     "--localstatedir=/var"
     "--sysconfdir=/etc"
   ] ++ stdenv.lib.optional (qt4 != null) "--enable-liblightdm-qt"
-    ++ stdenv.lib.optional (qt5 != null) "--enable-liblightdm-qt5";
+    ++ stdenv.lib.optional ((qt5.base or null) != null) "--enable-liblightdm-qt5";
 
   installFlags = [
     "sysconfdir=\${out}/etc"

pkgs/applications/misc/calibre/default.nix

@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   buildInputs =
     [ python pyqt5 sip_4_16 poppler_utils libpng imagemagick libjpeg
-      fontconfig podofo qt5 pil chmlib icu sqlite libusb1 libmtp xdg_utils
+      fontconfig podofo qt5.base pil chmlib icu sqlite libusb1 libmtp xdg_utils
       pythonPackages.mechanize pythonPackages.lxml pythonPackages.dateutil
       pythonPackages.cssutils pythonPackages.beautifulsoup pythonPackages.pillow
       pythonPackages.sqlite3 pythonPackages.netifaces pythonPackages.apsw

pkgs/applications/networking/irc/quassel/default.nix

@@ -10,6 +10,9 @@
 , phonon_qt5, libdbusmenu_qt5
 , stdenv, fetchurl, cmake, makeWrapper, qt, automoc4, phonon, dconf }:
 
+
+assert stdenv.isLinux;
+
 assert monolithic -> !client && !daemon;
 assert client || daemon -> !monolithic;
 assert withKDE -> kdelibs != null;

pkgs/applications/networking/linssid/default.nix

@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "13d35rlcjncd8lx3khkgn9x8is2xjd5fp6ns5xsn3w6l4xj9b4gl";
   };
 
-  buildInputs = [ qt5 pkgconfig boost ];
+  buildInputs = [ qt5.base pkgconfig boost ];
 
   postPatch = ''
     sed -e "s|/usr/include/|/nonexistent/|g" -i linssid-app/*.pro

pkgs/applications/networking/p2p/firestr/default.nix

@@ -4,7 +4,7 @@
 stdenv.mkDerivation {
   name = "firestr-0.8";
 
-  buildInputs = [ cmake boost botan snappy libopus libuuid qt5 libXScrnSaver openssl ];
+  buildInputs = [ cmake boost botan snappy libopus libuuid qt5.base libXScrnSaver openssl ];
 
   src = fetchFromGitHub {
     owner  = "mempko";

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

@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
                   jansson
                   libv4l
                   libxkbcommon
-                  qt5
+                  qt5.base
                   x264
                 ];
 

pkgs/applications/video/shotcut/default.nix

@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1504ds3ppqmpg84nb2gb74qndqysjwn3xw7n8xv19kd1pppnr10f";
   };
 
-  buildInputs = [ SDL frei0r gettext makeWrapper mlt pkgconfig qt5 ];
+  buildInputs = [ SDL frei0r gettext makeWrapper mlt pkgconfig qt5.base ];
 
   configurePhase = "qmake PREFIX=$out";
 

pkgs/development/libraries/phonon-backend-vlc/qt4/default.nix

@@ -1,16 +1,13 @@
-{ stdenv, fetchurl, xz, vlc, automoc4, cmake, pkgconfig, phonon
-, qt4 ? null, qt5 ? null, withQt5 ? false }:
+{ stdenv, fetchurl, xz, vlc, automoc4, cmake, pkgconfig, phonon, qt4}:
 
 with stdenv.lib;
 
-assert (withQt5 -> qt5 != null); assert (!withQt5 -> qt4 != null);
-
 let
   pname = "phonon-backend-vlc";
   v = "0.8.1";
   # Force same Qt version in phonon and VLC
-  vlc_ = vlc.override { inherit qt4 qt5 withQt5; };
-  phonon_ = phonon.override { inherit qt4 qt5 withQt5; };
+  vlc_ = vlc.override { inherit qt4; };
+  phonon_ = phonon.override { inherit qt4; };
 in
 
 stdenv.mkDerivation {
@@ -23,9 +20,7 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [ cmake pkgconfig automoc4 xz ];
 
-  buildInputs = [ vlc_ phonon_ (if withQt5 then qt5 else qt4)];
-
-  cmakeFlags = optional withQt5 "-DPHONON_BUILD_PHONON4QT5=ON";
+  buildInputs = [ vlc_ phonon_ qt4 ];
 
   meta = {
     homepage = http://phonon.kde.org/;

pkgs/development/libraries/quazip/default.nix

@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   installFlags = "INSTALL_ROOT=$(out)";
 
-  buildInputs = [ zlib qt.base ];
+  buildInputs = [ zlib (qt.base or qt) ];
 
   meta = {
     description = "Provides access to ZIP archives from Qt programs";