From ba46868fa6a2c67534be9e23992c9962d3240ee6 Mon Sep 17 00:00:00 2001
From: 4ever2 <3417013+4ever2@users.noreply.github.com>
Date: Thu, 19 Mar 2026 00:05:50 +0100
Subject: [PATCH] coqPackages.CakeMLExtraction: init at 0.1.0

---
 .../coq-modules/CakeMLExtraction/default.nix  | 58 +++++++++++++++++++
 pkgs/top-level/coq-packages.nix               |  1 +
 2 files changed, 59 insertions(+)
 create mode 100644 pkgs/development/coq-modules/CakeMLExtraction/default.nix

diff --git a/pkgs/development/coq-modules/CakeMLExtraction/default.nix b/pkgs/development/coq-modules/CakeMLExtraction/default.nix
new file mode 100644
index 000000000000..320af5310043
--- /dev/null
+++ b/pkgs/development/coq-modules/CakeMLExtraction/default.nix
@@ -0,0 +1,58 @@
+{
+  lib,
+  mkCoqDerivation,
+  coq,
+  ceres-bs,
+  equations,
+  metarocq-erasure-plugin,
+  version ? null,
+}:
+
+(mkCoqDerivation {
+  pname = "CakeMLExtraction";
+  owner = "peregrine-project";
+  repo = "cakeml-backend";
+  opam-name = "rocq-cakeml-extraction";
+
+  inherit version;
+  defaultVersion =
+    let
+      case = coq: mr: out: {
+        cases = [
+          coq
+          mr
+        ];
+        inherit out;
+      };
+    in
+    with lib.versions;
+    lib.switch
+      [
+        coq.coq-version
+        metarocq-erasure-plugin.version
+      ]
+      [
+        (case (range "9.0" "9.1") (range "1.4" "1.5.1") "0.1.0")
+      ]
+      null;
+  release = {
+    "0.1.0".sha256 = "sha256-diDUTj0l4vliov9+Lg8lNRdkLE7JAfJn8OU7J/HgmDE=";
+  };
+  releaseRev = v: "v${v}";
+
+  mlPlugin = false;
+  useDune = false;
+
+  buildInputs = [
+    equations
+    metarocq-erasure-plugin
+    ceres-bs
+  ];
+  propagatedBuildInputs = [ coq.ocamlPackages.findlib ];
+
+  meta = with lib; {
+    homepage = "https://peregrine-project.github.io/";
+    description = "CakeML backend for Peregrine";
+    maintainers = with maintainers; [ _4ever2 ];
+  };
+})
diff --git a/pkgs/top-level/coq-packages.nix b/pkgs/top-level/coq-packages.nix
index 22ed5cc6f4b1..8a2627b35704 100644
--- a/pkgs/top-level/coq-packages.nix
+++ b/pkgs/top-level/coq-packages.nix
@@ -68,6 +68,7 @@ let
           callPackage ../development/coq-modules/bignums { }
         else
           null;
+      CakeMLExtraction = callPackage ../development/coq-modules/CakeMLExtraction { };
       category-theory = callPackage ../development/coq-modules/category-theory { };
       ceres = callPackage ../development/coq-modules/ceres { };
       ceres-bs = callPackage ../development/coq-modules/ceres-bs { };