From 3c6423d3211c8d1354a23bd230a73d4452ab1cc4 Mon Sep 17 00:00:00 2001
From: wnklmnn <pascal@wnklmnn.de>
Date: Fri, 19 May 2023 02:33:35 +0200
Subject: [PATCH] crossfire-server: Use python39 instead of python3 (#232282)

Apperently the parser used by crossfire was remove in python 3.10.

https://bugs.python.org/issue40939
---
 pkgs/games/crossfire/crossfire-server.nix | 25 ++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/pkgs/games/crossfire/crossfire-server.nix b/pkgs/games/crossfire/crossfire-server.nix
index f99e08a5a46f..9827aa76c526 100644
--- a/pkgs/games/crossfire/crossfire-server.nix
+++ b/pkgs/games/crossfire/crossfire-server.nix
@@ -1,6 +1,21 @@
-{ stdenv, lib, fetchsvn, autoreconfHook,
-  autoconf, automake, libtool, flex, perl, check, pkg-config, python3,
-  version, rev, sha256, maps, arch }:
+{ stdenv
+, lib
+, fetchsvn
+, autoreconfHook
+, autoconf
+, automake
+, libtool
+, flex
+, perl
+, check
+, pkg-config
+, python39 # crossfire-server relies on a parser wich was removed in python >3.9
+, version
+, rev
+, sha256
+, maps
+, arch
+}:
 
 stdenv.mkDerivation rec {
   pname = "crossfire-server";
@@ -12,7 +27,7 @@ stdenv.mkDerivation rec {
     rev = "r${rev}";
   };
 
-  nativeBuildInputs = [ autoconf automake libtool flex perl check pkg-config python3 ];
+  nativeBuildInputs = [ autoconf automake libtool flex perl check pkg-config python39 ];
   hardeningDisable = [ "format" ];
 
   preConfigure = ''
@@ -21,7 +36,7 @@ stdenv.mkDerivation rec {
     sh autogen.sh
   '';
 
-  configureFlags = [ "--with-python=${python3}" ];
+  configureFlags = [ "--with-python=${python39}" ];
 
   postInstall = ''
     ln -s ${maps} "$out/share/crossfire/maps"