From aeb739143fcf715bb714cfda8d78475a38fff6fe Mon Sep 17 00:00:00 2001
From: Emily <vcs@emily.moe>
Date: Tue, 16 Sep 2025 04:24:58 +0100
Subject: [PATCH] libebml: backport patch for CMake 4

Co-authored-by: K900 <me@0upti.me>
---
 pkgs/by-name/li/libebml/package.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/by-name/li/libebml/package.nix b/pkgs/by-name/li/libebml/package.nix
index e6bd5d29bca2..54b01be9dfc8 100644
--- a/pkgs/by-name/li/libebml/package.nix
+++ b/pkgs/by-name/li/libebml/package.nix
@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   cmake,
   pkg-config,
 }:
@@ -17,6 +18,14 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-PIVBePTWceMgiENdaL9lvXIL/RQIrtg7l0OG2tO0SU8=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "libebml-fix-cmake-4.patch";
+      url = "https://github.com/Matroska-Org/libebml/commit/6725c5f0169981cb0bd2ee124fbf0d8ca30b762d.patch";
+      hash = "sha256-q62EWnJmQzBtra1xL0N7rC4RARJZQ/HAVyorzvB7XFY=";
+    })
+  ];
+
   nativeBuildInputs = [
     cmake
     pkg-config