From a4966eecb99e8f732fe91aecc1d991ad16e5e41a Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Sun, 4 Dec 2022 18:31:26 +0000
Subject: [PATCH 1/2] libredwg: 0.12.4 -> 0.12.5

---
 .../libraries/libredwg/default.nix            | 28 ++++++++++++++++---
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/libraries/libredwg/default.nix b/pkgs/development/libraries/libredwg/default.nix
index ad7a7e5473e9..e21e43caa920 100644
--- a/pkgs/development/libraries/libredwg/default.nix
+++ b/pkgs/development/libraries/libredwg/default.nix
@@ -1,21 +1,41 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, texinfo, pcre2
-, enablePython ? false, python ? null, swig, libxml2, ncurses
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, writeShellScript
+, pkg-config
+, texinfo
+, pcre2
+, swig
+, libxml2
+, ncurses
+, enablePython ? false
+, python ? null
 }:
 let
   isPython3 = enablePython && python.pythonAtLeast "3";
 in
 stdenv.mkDerivation rec {
   pname = "libredwg";
-  version = "0.12.4";
+  version = "0.12.5";
 
   src = fetchFromGitHub {
     owner = "LibreDWG";
     repo = pname;
     rev = version;
-    sha256 = "sha256-CZZ5/uCls2tY3PKmD+hBBvp7d7KX8nZuCPf03sa4iXc=";
+    sha256 = "sha256-s9aiOKSM7+3LJNE+jRrEMcL1QKRWrlTKbwO7oL9VhuE=";
     fetchSubmodules = true;
   };
 
+  postPatch = let
+    printVersion = writeShellScript "print-version" ''
+      echo ${lib.escapeShellArg version}
+    '';
+  in ''
+    # avoid git dependency
+    cp ${printVersion} build-aux/git-version-gen
+  '';
+
   nativeBuildInputs = [ autoreconfHook pkg-config texinfo ]
     ++ lib.optional enablePython swig;
 

From c0e332492fdbfd81a220d2755ba0ab67542e96b2 Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Mon, 5 Dec 2022 00:46:24 +0000
Subject: [PATCH 2/2] python3Packages.libredwg: fix build on darwin

---
 pkgs/development/libraries/libredwg/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/libraries/libredwg/default.nix b/pkgs/development/libraries/libredwg/default.nix
index e21e43caa920..a3b43e9377e1 100644
--- a/pkgs/development/libraries/libredwg/default.nix
+++ b/pkgs/development/libraries/libredwg/default.nix
@@ -36,6 +36,11 @@ stdenv.mkDerivation rec {
     cp ${printVersion} build-aux/git-version-gen
   '';
 
+  preConfigure = lib.optionalString (stdenv.isDarwin && enablePython) ''
+    # prevent configure picking up stack_size from distutils.sysconfig
+    export PYTHON_EXTRA_LDFLAGS=" "
+  '';
+
   nativeBuildInputs = [ autoreconfHook pkg-config texinfo ]
     ++ lib.optional enablePython swig;