From 1bc1992d2c8af7d0b9eebe67a5bd2b405062328d Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sun, 26 Apr 2026 15:52:00 +0300
Subject: [PATCH] labplot: 2.10.1 -> 2.12.1, build with Qt6

---
 .../science/math/labplot/default.nix          | 34 +++++++++++--------
 pkgs/top-level/all-packages.nix               |  2 +-
 2 files changed, 21 insertions(+), 15 deletions(-)

diff --git a/pkgs/applications/science/math/labplot/default.nix b/pkgs/applications/science/math/labplot/default.nix
index 9e01f7107d78..30a86b541f61 100644
--- a/pkgs/applications/science/math/labplot/default.nix
+++ b/pkgs/applications/science/math/labplot/default.nix
@@ -1,11 +1,14 @@
 {
   lib,
   stdenv,
-  fetchpatch,
   fetchurl,
+  fetchpatch,
   cmake,
+  pkg-config,
   extra-cmake-modules,
   shared-mime-info,
+  bison,
+  flex,
   wrapQtAppsHook,
 
   qtbase,
@@ -33,7 +36,7 @@
   netcdf,
   cfitsio,
   libcerf,
-  # cantor,
+  cantor,
   zlib,
   lz4,
   readstat,
@@ -44,30 +47,33 @@
 
 stdenv.mkDerivation rec {
   pname = "labplot";
-  version = "2.10.1";
+  version = "2.12.1";
 
   src = fetchurl {
     url = "mirror://kde/stable/labplot/labplot-${version}.tar.xz";
-    sha256 = "sha256-K24YFRfPtuDf/3uJXz6yDHzjWeZzLThUXgdXya6i2u8=";
+    hash = "sha256-4oFVv930DltvfEeRMTVW0eSBOARPIW8hDVFbn21sEGo=";
   };
 
-  cmakeFlags = [
-    # Disable Vector BLF since it depends on DBC parser which fails to be detected
-    "-DENABLE_VECTOR_BLF=OFF"
+  patches = [
+    # backport build fix
+    # FIXME: remove in next update
+    (fetchpatch {
+      url = "https://invent.kde.org/education/labplot/-/commit/c2db2ec28aa8958f7041ae5cd03ddae9f44e5aa3.diff";
+      hash = "sha256-0biKZXWMs5y1U9phAivEAbd2N4C/CiOKvk/QRAaPimo=";
+    })
   ];
 
-  patches = [
-    (fetchpatch {
-      name = "matio-fix-compilation-for-latest-version-1.5.27.patch";
-      url = "https://github.com/KDE/labplot/commit/d6142308ffa492d9f7cea00fad3b4cd1babfd00c.patch";
-      hash = "sha256-qD5jj6GxBKbQezKJb1Z8HnwFO84WJBGQDawS/6o/wHE=";
-    })
+  cmakeFlags = [
+    "-DQT_FIND_PRIVATE_MODULES=ON"
   ];
 
   nativeBuildInputs = [
     cmake
+    pkg-config
     extra-cmake-modules
     shared-mime-info
+    bison
+    flex
     wrapQtAppsHook
   ];
 
@@ -97,7 +103,7 @@ stdenv.mkDerivation rec {
     netcdf
     cfitsio
     libcerf
-    # cantor
+    cantor
     zlib
     lz4
     readstat
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9694dd4620ab..c3ed1401a4c1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11284,7 +11284,7 @@ with pkgs;
 
   blas-ilp64 = blas.override { isILP64 = true; };
 
-  labplot = libsForQt5.callPackage ../applications/science/math/labplot { };
+  labplot = kdePackages.callPackage ../applications/science/math/labplot { };
 
   lapack-ilp64 = lapack.override { isILP64 = true; };