From ae9fec21409ec92c1a77bbc2dbd5e267101265e9 Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Thu, 9 Feb 2023 07:31:53 +0100
Subject: [PATCH] draco: 1.5.5 -> 1.5.6

---
 pkgs/development/libraries/draco/default.nix | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/draco/default.nix b/pkgs/development/libraries/draco/default.nix
index ab354b836b6..4b02b11b3d2 100644
--- a/pkgs/development/libraries/draco/default.nix
+++ b/pkgs/development/libraries/draco/default.nix
@@ -16,17 +16,23 @@ let
   cmakeBool = b: if b then "ON" else "OFF";
 in
 stdenv.mkDerivation rec {
-  version = "1.5.5";
+  version = "1.5.6";
   pname = "draco";
 
   src = fetchFromGitHub {
     owner = "google";
     repo = "draco";
     rev = version;
-    sha256 = "sha256-WYWEUfBPz/Pt7sE8snG3/LnOA3DEUm/SUVLtsH7zG5g=";
+    hash = "sha256-2YQMav0JJMbJ2bvnN/Xv90tjE/OWLbrZDO4WlaOvcfI=";
     fetchSubmodules = true;
   };
 
+  # ld: unknown option: --start-group
+  postPatch = ''
+    substituteInPlace cmake/draco_targets.cmake \
+      --replace "^Clang" "^AppleClang"
+  '';
+
   buildInputs = [ gtest ]
     ++ lib.optionals withTranscoder [ eigen ghc_filesystem tinygltf ];