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] 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 = [