From c71a0e7c29c30f88dca4ebd09905e0d2b322d1fc Mon Sep 17 00:00:00 2001
From: Chuang Zhu <git@chuang.cz>
Date: Sun, 31 May 2026 15:49:01 +0800
Subject: [PATCH] gnuradioPackages.fosphor: fix build with boost 1.89

Assisted-by: Codex:gpt-5.5
---
 pkgs/development/gnuradio-modules/fosphor/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/gnuradio-modules/fosphor/default.nix b/pkgs/development/gnuradio-modules/fosphor/default.nix
index eafe57d57583..34fba81b1341 100644
--- a/pkgs/development/gnuradio-modules/fosphor/default.nix
+++ b/pkgs/development/gnuradio-modules/fosphor/default.nix
@@ -37,6 +37,12 @@ mkDerivation {
   };
   disabled = gnuradioOlder "3.9" || gnuradioAtLeast "3.11";
 
+  # Boost 1.89 removed the boost_system stub library.
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail 'COMPONENTS system chrono thread' 'COMPONENTS chrono thread'
+  '';
+
   nativeBuildInputs = [
     cmake
     pkg-config