faust: replace qt4 with qt5

pkgs/applications/audio/faust/faust2alqt.nix

···
 { faust
 , alsa-lib
-, qt4
+, qtbase
+, writeText
+, makeWrapper
 }:
-
+let
+  # Wrap the binary coming out of the the compilation script, so it knows QT_PLUGIN_PATH
+  wrapBinary = writeText "wrapBinary" ''
+    source ${makeWrapper}/nix-support/setup-hook
+    for p in $FILES; do
+      workpath=$PWD
+      cd -- "$(dirname "$p")"
+      binary=$(basename --suffix=.dsp "$p")
+      rm -f .$binary-wrapped
+      wrapProgram $binary --set QT_PLUGIN_PATH "${qtbase}/${qtbase.qtPluginPrefix}"
+      sed -i $binary -e 's@exec@cd "$(dirname "$(readlink -f "''${BASH_SOURCE[0]}")")" \&\& exec@g'
+      cd $workpath
+    done
+  '';
+in
 faust.wrapWithBuildEnv {
 
   baseName = "faust2alqt";
 
   propagatedBuildInputs = [
     alsa-lib
-    qt4
+    qtbase
   ];
 
+  dontWrapQtApps = true;
+
+  preFixup = ''
+    for script in "$out"/bin/*; do
+      # append the wrapping code to the compilation script
+      cat ${wrapBinary} >> $script
+      # prevent the qmake error when running the script
+      sed -i "/QMAKE=/c\ QMAKE="${qtbase.dev}/bin/qmake"" $script
+    done
+  '';
 }

pkgs/applications/audio/faust/faust2jaqt.nix

···
 { faust
 , jack2
-, qt4
+, qtbase
 , libsndfile
 , alsa-lib
+, writeText
+, makeWrapper
 , which
 }:
-
+let
+  # Wrap the binary coming out of the the compilation script, so it knows QT_PLUGIN_PATH
+  wrapBinary = writeText "wrapBinary" ''
+    source ${makeWrapper}/nix-support/setup-hook
+    for p in $FILES; do
+      workpath=$PWD
+      cd -- "$(dirname "$p")"
+      binary=$(basename --suffix=.dsp "$p")
+      rm -f .$binary-wrapped
+      wrapProgram $binary --set QT_PLUGIN_PATH "${qtbase}/${qtbase.qtPluginPrefix}"
+      sed -i $binary -e 's@exec@cd "$(dirname "$(readlink -f "''${BASH_SOURCE[0]}")")" \&\& exec@g'
+      cd $workpath
+    done
+  '';
+in
 faust.wrapWithBuildEnv {
 
   baseName = "faust2jaqt";
···
 
   propagatedBuildInputs = [
     jack2
-    qt4
+    qtbase
     libsndfile
     alsa-lib
     which
   ];
 
+
+  dontWrapQtApps = true;
+
+  preFixup = ''
+    for script in "$out"/bin/*; do
+      # append the wrapping code to the compilation script
+      cat ${wrapBinary} >> $script
+      # prevent the qmake error when running the script
+      sed -i "/QMAKE=/c\ QMAKE="${qtbase.dev}/bin/qmake"" $script
+    done
+  '';
 }

pkgs/applications/audio/faust/faust2lv2.nix

···
 { boost
 , faust
 , lv2
-, qt4
+, qtbase
 , which
-
 }:
 
 faust.wrapWithBuildEnv {
 
   baseName = "faust2lv2";
 
-  propagatedBuildInputs = [ boost lv2 qt4 which ];
+  propagatedBuildInputs = [ boost lv2 qtbase ];
 
+  dontWrapQtApps = true;
+
+  preFixup = ''
+    sed -i "/QMAKE=/c\ QMAKE="${qtbase.dev}/bin/qmake"" "$out"/bin/faust2lv2;
+  '';
 }

pkgs/top-level/all-packages.nix

···
 
   faust2 = callPackage ../applications/audio/faust/faust2.nix { };
 
-  faust2alqt = callPackage ../applications/audio/faust/faust2alqt.nix { };
+  faust2alqt = libsForQt5.callPackage ../applications/audio/faust/faust2alqt.nix { };
 
   faust2alsa = callPackage ../applications/audio/faust/faust2alsa.nix { };
 
···
 
   faust2jackrust = callPackage ../applications/audio/faust/faust2jackrust.nix { };
 
-  faust2jaqt = callPackage ../applications/audio/faust/faust2jaqt.nix { };
+  faust2jaqt = libsForQt5.callPackage ../applications/audio/faust/faust2jaqt.nix { };
 
   faust2ladspa = callPackage ../applications/audio/faust/faust2ladspa.nix { };
 
-  faust2lv2 = callPackage ../applications/audio/faust/faust2lv2.nix { };
+  faust2lv2 = libsForQt5.callPackage ../applications/audio/faust/faust2lv2.nix { };
 
   faustlive = callPackage ../applications/audio/faust/faustlive.nix { };