From 30de8056910aa858d6feb4b0fb436727c4941b61 Mon Sep 17 00:00:00 2001
From: Stefan Frijters <sfrijters@gmail.com>
Date: Tue, 1 Apr 2025 13:13:08 +0200
Subject: [PATCH 1/3] itstool: fix cross

---
 pkgs/by-name/it/itstool/package.nix | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/pkgs/by-name/it/itstool/package.nix b/pkgs/by-name/it/itstool/package.nix
index 7ef080da6d19..d0c4869c6d84 100644
--- a/pkgs/by-name/it/itstool/package.nix
+++ b/pkgs/by-name/it/itstool/package.nix
@@ -3,6 +3,7 @@
   lib,
   fetchurl,
   python3,
+  autoreconfHook,
 }:
 
 stdenv.mkDerivation rec {
@@ -16,14 +17,18 @@ stdenv.mkDerivation rec {
 
   strictDeps = true;
 
-  nativeBuildInputs = [
-    python3
-    python3.pkgs.wrapPython
-  ];
+  postPatch = ''
+    # Do not let autoconf find Python, but set it directly. This fixes cross-compilation.
+    substituteInPlace configure.ac \
+      --replace-fail 'AM_PATH_PYTHON([2.6])' "" \
+      --replace-fail 'AC_MSG_ERROR(Python module $py_module is needed to run this package)' ""
+    substituteInPlace itstool.in \
+      --replace-fail "@PYTHON@" "${python3.interpreter}"
+  '';
 
-  buildInputs = [
-    python3
-    python3.pkgs.libxml2
+  nativeBuildInputs = [
+    autoreconfHook
+    python3.pkgs.wrapPython
   ];
 
   pythonPath = [

From 08ba5fa492cb600a911112b47ee16dc75d52a9b5 Mon Sep 17 00:00:00 2001
From: Stefan Frijters <sfrijters@gmail.com>
Date: Tue, 1 Apr 2025 13:13:38 +0200
Subject: [PATCH 2/3] itstool: add upstream patch to fix python warnings

---
 pkgs/by-name/it/itstool/package.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/by-name/it/itstool/package.nix b/pkgs/by-name/it/itstool/package.nix
index d0c4869c6d84..2dcb01182a67 100644
--- a/pkgs/by-name/it/itstool/package.nix
+++ b/pkgs/by-name/it/itstool/package.nix
@@ -2,6 +2,7 @@
   stdenv,
   lib,
   fetchurl,
+  fetchpatch,
   python3,
   autoreconfHook,
 }:
@@ -15,6 +16,15 @@ stdenv.mkDerivation rec {
     hash = "sha256-a5p80poSu5VZj1dQ6HY87niDahogf4W3TYsydbJ+h8o=";
   };
 
+  patches = [
+    # https://github.com/itstool/itstool/pull/51
+    (fetchpatch {
+      name = "fix-insufficiently-quoted-regular-expressions-pr51";
+      url = "https://github.com/itstool/itstool/commit/19f9580f27aa261ea383b395fdef7e153f3f9e6d.patch";
+      hash = "sha256-5J4mRXQu24o2rqVtaXN/ETgj6A8R0Ym+YkZhqhZTzIc=";
+    })
+  ];
+
   strictDeps = true;
 
   postPatch = ''

From f0a2fe518f04d724732bc49004dc41b034a975e4 Mon Sep 17 00:00:00 2001
From: Stefan Frijters <sfrijters@gmail.com>
Date: Tue, 1 Apr 2025 13:13:47 +0200
Subject: [PATCH 3/3] itstool: add versionCheckHook

---
 pkgs/by-name/it/itstool/package.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/by-name/it/itstool/package.nix b/pkgs/by-name/it/itstool/package.nix
index 2dcb01182a67..78c196c15f3c 100644
--- a/pkgs/by-name/it/itstool/package.nix
+++ b/pkgs/by-name/it/itstool/package.nix
@@ -5,6 +5,7 @@
   fetchpatch,
   python3,
   autoreconfHook,
+  versionCheckHook,
 }:
 
 stdenv.mkDerivation rec {
@@ -49,6 +50,9 @@ stdenv.mkDerivation rec {
     wrapPythonPrograms
   '';
 
+  nativeInstallCheckInputs = [ versionCheckHook ];
+  doInstallCheck = true;
+
   meta = {
     homepage = "https://itstool.org/";
     description = "XML to PO and back again";