qtbase: Check for wrapQtAppsHook in setupHook

pkgs/development/libraries/qt-5/hooks/qtbase-setup-hook.sh

@@ -100,4 +100,13 @@ if [ -z "${dontPatchMkspecs-}" ]; then
     postPhases="${postPhases-}${postPhases:+ }postPatchMkspecs"
 fi
 
+qtPreHook() {
+    # Check that wrapQtAppsHook is used, or it is explicitly disabled.
+    if [[ -z "$__nix_wrapQtAppsHook" && -z "$dontWrapQtApps" ]]; then
+        echo >&2 "Error: wrapQtAppsHook is not used, and dontWrapQtApps is not set."
+        exit 1
+    fi
+}
+prePhases+=" qtPreHook"
+
 fi

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

@@ -34,6 +34,8 @@ mkDerivation (args // {
     fixQtBuiltinPaths . '*.pr?'
   '';
 
+  dontWrapQtApps = args.dontWrapQtApps or true;
+
   postFixup = ''
     if [ -d "''${!outputDev}/lib/pkgconfig" ]; then
         find "''${!outputDev}/lib/pkgconfig" -name '*.pc' | while read pc; do