From 55c4454994078b5eccdd6230e483cfc6118de2b0 Mon Sep 17 00:00:00 2001
From: Sigmanificient <edhyjox@gmail.com>
Date: Thu, 19 Mar 2026 22:56:06 +0100
Subject: [PATCH 1/3] python3Packages.slh-dsa: fix build

---
 pkgs/development/python-modules/slh-dsa/default.nix | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/slh-dsa/default.nix b/pkgs/development/python-modules/slh-dsa/default.nix
index e6da84504c60..37fdd6ff9bf5 100644
--- a/pkgs/development/python-modules/slh-dsa/default.nix
+++ b/pkgs/development/python-modules/slh-dsa/default.nix
@@ -2,7 +2,7 @@
   lib,
   buildPythonPackage,
   fetchPypi,
-  pdm-backend,
+  setuptools,
 }:
 
 buildPythonPackage rec {
@@ -16,7 +16,12 @@ buildPythonPackage rec {
     hash = "sha256-p4eWMVayOFiEjFtlnsmmtH6HMfcIeYIpgdfjuB4mmAY=";
   };
 
-  build-system = [ pdm-backend ];
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace-fail '"mypy>=1.10.1",' ""
+  '';
+
+  build-system = [ setuptools ];
 
   pythonImportsCheck = [ "slhdsa" ];
 

From dc24f77216d97d19305053521a49ea2399eed41f Mon Sep 17 00:00:00 2001
From: Sigmanificient <edhyjox@gmail.com>
Date: Mon, 23 Mar 2026 03:36:11 +0100
Subject: [PATCH 2/3] python3Packages.slh-dsa: use mypy optimized build

---
 pkgs/development/python-modules/slh-dsa/default.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/slh-dsa/default.nix b/pkgs/development/python-modules/slh-dsa/default.nix
index 37fdd6ff9bf5..8e28fe5f7f28 100644
--- a/pkgs/development/python-modules/slh-dsa/default.nix
+++ b/pkgs/development/python-modules/slh-dsa/default.nix
@@ -3,6 +3,9 @@
   buildPythonPackage,
   fetchPypi,
   setuptools,
+  mypy,
+  pytestCheckHook,
+  pytest-xdist,
 }:
 
 buildPythonPackage rec {
@@ -16,12 +19,17 @@ buildPythonPackage rec {
     hash = "sha256-p4eWMVayOFiEjFtlnsmmtH6HMfcIeYIpgdfjuB4mmAY=";
   };
 
+  env.SLHDSA_BUILD_OPTIMIZED = "1";
+
   postPatch = ''
     substituteInPlace pyproject.toml \
       --replace-fail '"mypy>=1.10.1",' ""
   '';
 
-  build-system = [ setuptools ];
+  build-system = [
+    setuptools
+    mypy
+  ];
 
   pythonImportsCheck = [ "slhdsa" ];
 

From cd309a70a77e7e00d3d373d4758b101f482ccd8d Mon Sep 17 00:00:00 2001
From: Sigmanificient <edhyjox@gmail.com>
Date: Mon, 23 Mar 2026 03:36:25 +0100
Subject: [PATCH 3/3] python3Packages.slh-dsa: enable tests

---
 pkgs/development/python-modules/slh-dsa/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/python-modules/slh-dsa/default.nix b/pkgs/development/python-modules/slh-dsa/default.nix
index 8e28fe5f7f28..b28d4d02b8cb 100644
--- a/pkgs/development/python-modules/slh-dsa/default.nix
+++ b/pkgs/development/python-modules/slh-dsa/default.nix
@@ -33,6 +33,11 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "slhdsa" ];
 
+  nativeCheckInputs = [
+    pytestCheckHook
+    pytest-xdist
+  ];
+
   meta = {
     description = "Pure Python implementation of the SLH-DSA algorithm";
     homepage = "https://github.com/colinxu2020/slhdsa";