From e619c07e8407c51ec245caee5ae34bfa562b2d5e Mon Sep 17 00:00:00 2001
From: Philip Taron <philip.taron@gmail.com>
Date: Wed, 1 Apr 2026 14:29:11 -0700
Subject: [PATCH] cpp-hocon: fix build with boost 1.89

Boost 1.89 removed the boost_system stub library. Remove the `system`
component from the BOOST_COMPONENTS list.
---
 pkgs/by-name/cp/cpp-hocon/package.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/by-name/cp/cpp-hocon/package.nix b/pkgs/by-name/cp/cpp-hocon/package.nix
index 1cc2417bf594..84af9dee0eab 100644
--- a/pkgs/by-name/cp/cpp-hocon/package.nix
+++ b/pkgs/by-name/cp/cpp-hocon/package.nix
@@ -27,6 +27,11 @@ stdenv.mkDerivation (finalAttrs: {
     substituteInPlace CMakeLists.txt --replace-fail \
       "cmake_minimum_required(VERSION 3.2.2)" \
       "cmake_minimum_required(VERSION 3.10)"
+
+    # boost 1.89 removed the boost_system stub library
+    substituteInPlace CMakeLists.txt --replace-fail \
+      'list(APPEND BOOST_COMPONENTS thread date_time chrono filesystem system program_options)' \
+      'list(APPEND BOOST_COMPONENTS thread date_time chrono filesystem program_options)'
   '';
 
   env.NIX_CFLAGS_COMPILE = "-Wno-error";