From c74ff83aceeb35e63d8fadeb1bc478184c203506 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 12 Jan 2026 15:17:51 +0100
Subject: [PATCH] ocamlPackages.labltk: clean & fix

---
 .../ocaml-modules/labltk/default.nix          | 129 ++++++++----------
 1 file changed, 55 insertions(+), 74 deletions(-)

diff --git a/pkgs/development/ocaml-modules/labltk/default.nix b/pkgs/development/ocaml-modules/labltk/default.nix
index 0782692d7713..d70a334c2be7 100644
--- a/pkgs/development/ocaml-modules/labltk/default.nix
+++ b/pkgs/development/ocaml-modules/labltk/default.nix
@@ -11,86 +11,67 @@
 }:
 
 let
-  defaultStdenv = stdenv;
-  params =
-    let
-      mkNewParam =
-        {
-          version,
-          sha256,
-          rev ? version,
-          stdenv ? defaultStdenv,
-        }:
-        {
-          inherit stdenv version;
-          src = fetchzip {
-            url = "https://github.com/garrigue/labltk/archive/${rev}.tar.gz";
-            inherit sha256;
-          };
-        };
-    in
-    rec {
-      "4.06" = mkNewParam {
-        version = "8.06.4";
-        rev = "labltk-8.06.4";
-        sha256 = "03xwnnnahb2rf4siymzqyqy8zgrx3h26qxjgbp5dh1wdl7n02c7g";
-        stdenv = gcc13Stdenv;
-      };
-      "4.07" = mkNewParam {
-        version = "8.06.5";
-        rev = "1b71e2c6f3ae6847d3d5e79bf099deb7330fb419";
-        sha256 = "02vchmrm3izrk7daldd22harhgrjhmbw6i1pqw6hmfmrmrypypg2";
-        stdenv = gcc13Stdenv;
-      };
-      _8_06_7 = mkNewParam {
-        version = "8.06.7";
-        sha256 = "1cqnxjv2dvw9csiz4iqqyx6rck04jgylpglk8f69kgybf7k7xk2h";
-        stdenv = gcc13Stdenv;
-      };
-      "4.08" = _8_06_7;
-      "4.09" = _8_06_7;
-      "4.10" = mkNewParam {
-        version = "8.06.8";
-        sha256 = "0lfjc7lscq81ibqb3fcybdzs2r1i2xl7rsgi7linq46a0pcpkinw";
-      };
-      "4.11" = mkNewParam {
-        version = "8.06.9";
-        sha256 = "1k42k3bjkf22gk39lwwzqzfhgjyhxnclslldrzpg5qy1829pbnc0";
-      };
-      "4.12" = mkNewParam {
-        version = "8.06.10";
-        sha256 = "06cck7wijq4zdshzhxm6jyl8k3j0zglj2axsyfk6q1sq754zyf4a";
-      };
-      "4.13" = mkNewParam {
-        version = "8.06.11";
-        sha256 = "1zjpg9jvs6i9jvbgn6zgispwqiv8rxvaszxcx9ha9fax3wzhv9qy";
-      };
-      "4.14" = mkNewParam {
-        version = "8.06.12";
-        sha256 = "sha256:17fmb13l18isgwr38hg9r5a0nayf2hhw6acj5153cy1sygsdg3b5";
-      };
-      "5.0" = mkNewParam {
-        version = "8.06.13";
-        sha256 = "sha256-Vpf13g3DEWlUI5aypiowGp2fkQPK0cOGv2XiRUY/Ip4=";
-      };
-      "5.2" = mkNewParam {
-        version = "8.06.14";
-        sha256 = "sha256-eVSQetk+i3KObjHfsvnD615cIsq3aZ7IxycX42cuPIU=";
-      };
-      "5.3" = mkNewParam {
-        version = "8.06.15";
-        sha256 = "sha256-I/y5qr5sasCtlrwxL/Lex79rg0o4tzDMBmQY7MdpU2w=";
-      };
+  params = {
+    "4.09" = {
+      version = "8.06.7";
+      sha256 = "1cqnxjv2dvw9csiz4iqqyx6rck04jgylpglk8f69kgybf7k7xk2h";
+      stdenv = gcc13Stdenv;
     };
-  param =
-    params.${lib.versions.majorMinor ocaml.version}
-    or (throw "labltk is not available for OCaml ${ocaml.version}");
+    "4.10" = {
+      version = "8.06.8";
+      sha256 = "0lfjc7lscq81ibqb3fcybdzs2r1i2xl7rsgi7linq46a0pcpkinw";
+      stdenv = gcc13Stdenv;
+    };
+    "4.11" = {
+      version = "8.06.9";
+      sha256 = "1k42k3bjkf22gk39lwwzqzfhgjyhxnclslldrzpg5qy1829pbnc0";
+      stdenv = gcc13Stdenv;
+    };
+    "4.12" = {
+      version = "8.06.10";
+      sha256 = "06cck7wijq4zdshzhxm6jyl8k3j0zglj2axsyfk6q1sq754zyf4a";
+    };
+    "4.13" = {
+      version = "8.06.11";
+      sha256 = "1zjpg9jvs6i9jvbgn6zgispwqiv8rxvaszxcx9ha9fax3wzhv9qy";
+    };
+    "4.14" = {
+      version = "8.06.12";
+      sha256 = "sha256:17fmb13l18isgwr38hg9r5a0nayf2hhw6acj5153cy1sygsdg3b5";
+    };
+    "5.0" = {
+      version = "8.06.13";
+      sha256 = "sha256-Vpf13g3DEWlUI5aypiowGp2fkQPK0cOGv2XiRUY/Ip4=";
+    };
+    "5.2" = {
+      version = "8.06.14";
+      sha256 = "sha256-eVSQetk+i3KObjHfsvnD615cIsq3aZ7IxycX42cuPIU=";
+    };
+    "5.3" = {
+      version = "8.06.15";
+      sha256 = "sha256-I/y5qr5sasCtlrwxL/Lex79rg0o4tzDMBmQY7MdpU2w=";
+    };
+  };
+  param = {
+    inherit stdenv;
+    # Dummy version to let the `meta` attribute set evaluate
+    version = "";
+    sha256 = lib.fakeSha256;
+  }
+  // (params."${lib.versions.majorMinor ocaml.version}" or {
+  }
+  );
 in
 
 param.stdenv.mkDerivation {
-  inherit (param) version src;
+  inherit (param) version;
   pname = "ocaml${ocaml.version}-labltk";
 
+  src = fetchzip {
+    url = "https://github.com/garrigue/labltk/archive/${param.version}.tar.gz";
+    inherit (param) sha256;
+  };
+
   strictDeps = true;
 
   nativeBuildInputs = [