From 7b313c3313ad595b4008244f6f20129cfcc8a14b Mon Sep 17 00:00:00 2001
From: qbisi <qbisicwate@gmail.com>
Date: Thu, 4 Sep 2025 22:01:15 +0800
Subject: [PATCH] treewide: migrate pcl/rtabmap from qt5 to qt6

---
 pkgs/by-name/pc/pcl/package.nix     |  6 +++---
 pkgs/by-name/rt/rtabmap/package.nix | 21 ++++++++++-----------
 pkgs/top-level/all-packages.nix     |  4 ----
 3 files changed, 13 insertions(+), 18 deletions(-)

diff --git a/pkgs/by-name/pc/pcl/package.nix b/pkgs/by-name/pc/pcl/package.nix
index be11d204e41d..059c5938036d 100644
--- a/pkgs/by-name/pc/pcl/package.nix
+++ b/pkgs/by-name/pc/pcl/package.nix
@@ -6,7 +6,7 @@
 
   # nativeBuildInputs
   cmake,
-  libsForQt5,
+  qt6,
   pkg-config,
 
   # buildInputs
@@ -52,7 +52,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [
     cmake
-    libsForQt5.wrapQtAppsHook
+    qt6.wrapQtAppsHook
     pkg-config
   ]
   ++ lib.optionals cudaSupport [ cudaPackages.cuda_nvcc ];
@@ -61,7 +61,7 @@ stdenv.mkDerivation (finalAttrs: {
     eigen
     libXt
     libpcap
-    libsForQt5.qtbase
+    qt6.qtbase
     libusb1
     nanoflann
   ]
diff --git a/pkgs/by-name/rt/rtabmap/package.nix b/pkgs/by-name/rt/rtabmap/package.nix
index a8ac06b59150..51561509629c 100644
--- a/pkgs/by-name/rt/rtabmap/package.nix
+++ b/pkgs/by-name/rt/rtabmap/package.nix
@@ -6,7 +6,7 @@
 
   # nativeBuildInputs
   cmake,
-  libsForQt5,
+  qt6,
   pkg-config,
   wrapGAppsHook3,
 
@@ -28,14 +28,16 @@
   libGL,
   libGLU,
   librealsense,
-  vtkWithQt5,
+  vtkWithQt6,
   zed-open-capture,
   hidapi,
 
   # passthru
   gitUpdater,
 }:
-
+let
+  pcl' = pcl.override { vtk = vtkWithQt6; };
+in
 stdenv.mkDerivation (finalAttrs: {
   pname = "rtabmap";
   version = "0.22.1";
@@ -49,7 +51,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [
     cmake
-    libsForQt5.wrapQtAppsHook
+    qt6.wrapQtAppsHook
     pkg-config
     wrapGAppsHook3
   ];
@@ -57,7 +59,7 @@ stdenv.mkDerivation (finalAttrs: {
     ## Required
     opencv
     opencv.cxxdev
-    pcl
+    pcl'
     liblapack
     xorg.libSM
     xorg.libICE
@@ -75,21 +77,18 @@ stdenv.mkDerivation (finalAttrs: {
     freenect
     libdc1394
     librealsense
-    libsForQt5.qtbase
+    qt6.qtbase
     libGL
     libGLU
-    vtkWithQt5
     zed-open-capture
     hidapi
   ];
 
   # Configure environment variables
-  NIX_CFLAGS_COMPILE = "-Wno-c++20-extensions -I${vtkWithQt5}/include/vtk";
+  NIX_CFLAGS_COMPILE = "-Wno-c++20-extensions";
 
   cmakeFlags = [
-    (lib.cmakeFeature "VTK_QT_VERSION" "5")
-    (lib.cmakeFeature "VTK_DIR" "${vtkWithQt5}/lib/cmake/vtk-${lib.versions.majorMinor vtkWithQt5.version}")
-    (lib.cmakeFeature "CMAKE_INCLUDE_PATH" "${vtkWithQt5}/include/vtk:${pcl}/include/pcl-${lib.versions.majorMinor pcl.version}")
+    (lib.cmakeFeature "CMAKE_INCLUDE_PATH" "${pcl'}/include/pcl-${lib.versions.majorMinor pcl'.version}")
   ];
 
   passthru = {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2c8d19e00e6d..9b189786308d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4037,10 +4037,6 @@ with pkgs;
 
   rocket = libsForQt5.callPackage ../tools/graphics/rocket { };
 
-  rtabmap = callPackage ../by-name/rt/rtabmap/package.nix {
-    pcl = pcl.override { vtk = vtkWithQt5; };
-  };
-
   rtaudio = callPackage ../development/libraries/audio/rtaudio {
     jack = libjack2;
   };