From 38365fa0727943b606035622ce61afc5a86ad8fa Mon Sep 17 00:00:00 2001
From: Maximilian Bosch <maximilian@mbosch.me>
Date: Mon, 8 May 2023 09:57:03 +0200
Subject: [PATCH] python311.pkgs.dlib: fix build

Failing Hydra build: https://hydra.nixos.org/build/215620971

Applying the patch that upgrades the vendored `pybind11` fixes the
problem.
---
 .../python-modules/dlib/default.nix           | 25 +++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/dlib/default.nix b/pkgs/development/python-modules/dlib/default.nix
index f75767811c1d..cadb85f0405e 100644
--- a/pkgs/development/python-modules/dlib/default.nix
+++ b/pkgs/development/python-modules/dlib/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, dlib, python, pytest, more-itertools
+{ stdenv, buildPythonPackage, dlib, python, pytest, more-itertools, fetchpatch
 , sse4Support ? stdenv.hostPlatform.sse4_1Support
 , avxSupport ? stdenv.hostPlatform.avxSupport
 }:
@@ -6,7 +6,28 @@
 buildPythonPackage {
   inherit (dlib) pname version src nativeBuildInputs buildInputs meta;
 
-  patches = [ ./build-cores.patch ];
+  patches = [
+    ./build-cores.patch
+
+    # Upgrade minimum CMake & C++ requirement. Nixpkgs is sufficiently up-to-date
+    # so that is not a problem. Applied to make sure the pybind11 patch applies cleanly.
+    (fetchpatch {
+      url = "https://github.com/davisking/dlib/commit/29288e5d895b21f5508c15294f1303b367534a63.patch";
+      sha256 = "sha256-8GsGOehTFabRf+QOZK6Ek/Xgwp8yLj8UKd7kmneBpXk=";
+    })
+    # Removes a bunch of broken python tests. Also useful to make sure the pybind11
+    # patch applies cleanly.
+    (fetchpatch {
+      url = "https://github.com/davisking/dlib/commit/a517aaa0bbb0524a1a7be3d6637aa6300c2e1dfe.patch";
+      sha256 = "sha256-31/c1ViVPdJ/gQVMV22Nnr01/Yg13s9tPowfh4BedNg=";
+    })
+    # Upgrade pybind11 to 2.4.0. Relevant to fix Python 3.11 support.
+    (fetchpatch {
+      url = "https://github.com/davisking/dlib/commit/65bce59a1512cf222dec01d3e0f29b612dd181f5.patch";
+      sha256 = "sha256-04TGJdn9p9YhDVZHAU9ncgCyR1vrnRxKkTRDSwOk/fw=";
+      excludes = [ ".github/workflows/build_python.yml" ];
+    })
+  ];
 
   nativeCheckInputs = [ pytest more-itertools ];