From 9b3f7971376c0e09702578724a1989df0a07c5c5 Mon Sep 17 00:00:00 2001
From: Raphael Neubert <raphi.neubert@gmail.com>
Date: Tue, 21 Jan 2025 20:55:59 +0100
Subject: [PATCH] ola: fix error: template-id not allowed for constructor in
 C++20

---
 pkgs/applications/misc/ola/default.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/misc/ola/default.nix b/pkgs/applications/misc/ola/default.nix
index e8642f86ded2..1ac44a057d09 100644
--- a/pkgs/applications/misc/ola/default.nix
+++ b/pkgs/applications/misc/ola/default.nix
@@ -15,6 +15,7 @@
   libmicrohttpd,
   perl,
   python3,
+  fetchpatch,
 }:
 
 stdenv.mkDerivation rec {
@@ -27,7 +28,13 @@ stdenv.mkDerivation rec {
     tag = version;
     hash = "sha256-8w8ZT3D/+8Pxl9z2KTXeydVxE5xiPjxZevgmMFgrblU=";
   };
-
+  patches = [
+    # Fix build error with GCC 14 due to stricter C++20 compliance (template-id in constructors)
+    (fetchpatch {
+      url = "https://github.com/OpenLightingProject/ola/commit/d9b9c78645c578adb7c07b692842e841c48310be.patch";
+      hash = "sha256-BplSqQv8ztWMpiX/M3/3wvf6LsPTBglh48gHlUoM6rw=";
+    })
+  ];
   nativeBuildInputs = [
     autoreconfHook
     bison