Merge pull request #243547 from reckenrode/doctest-clang16

pkgs/development/libraries/doctest/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, installShellFiles, cmake }:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, installShellFiles, cmake }:
 
 stdenv.mkDerivation rec {
   pname = "doctest";
@@ -11,6 +11,15 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-hotO6QVpPn8unYTaQHFgi40A3oLUd++I3aTe293e4Aw=";
   };
 
+  patches = [
+    # Suppress unsafe buffer usage warnings with clang 16, which are treated as errors due to `-Werror`.
+    # https://github.com//doctest/doctest/pull/768
+    (fetchpatch {
+      url = "https://github.com/doctest/doctest/commit/9336c9bd86e3fc2e0c36456cad8be3b4e8829a22.patch";
+      hash = "sha256-ZFCVk5qvgfixRm7ZFr7hyNCSEvrT6nB01G/CBshq53o=";
+    })
+  ];
+
   nativeBuildInputs = [ cmake ];
 
   doCheck = true;