From 1389fff391809d4bd183cd182024ca2e89d50c1b Mon Sep 17 00:00:00 2001
From: Nikolay Korotkiy <sikmir@disroot.org>
Date: Sat, 8 Mar 2025 03:58:41 +0400
Subject: [PATCH] lib60870: fix darwin build

---
 pkgs/by-name/li/lib60870/package.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/by-name/li/lib60870/package.nix b/pkgs/by-name/li/lib60870/package.nix
index 2c9966ab1ac7..1884f873a1e1 100644
--- a/pkgs/by-name/li/lib60870/package.nix
+++ b/pkgs/by-name/li/lib60870/package.nix
@@ -20,6 +20,10 @@ stdenv.mkDerivation (finalAttrs: {
 
   sourceRoot = "${finalAttrs.src.name}/lib60870-C";
 
+  postPatch = lib.optionalString stdenv.hostPlatform.isDarwin ''
+    substituteInPlace src/CMakeLists.txt --replace-warn "-lrt" ""
+  '';
+
   separateDebugInfo = true;
 
   nativeBuildInputs = [ cmake ];