From 19838777bf9e488a997267ab063448cda307d297 Mon Sep 17 00:00:00 2001
From: Xiangyan Sun <wishstudio@gmail.com>
Date: Tue, 17 Mar 2026 15:54:22 -0700
Subject: [PATCH] apngasm: fix build with Boost 1.89+

---
 pkgs/applications/graphics/apngasm/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/applications/graphics/apngasm/default.nix b/pkgs/applications/graphics/apngasm/default.nix
index b5643329c87e..2b13f38498cd 100644
--- a/pkgs/applications/graphics/apngasm/default.nix
+++ b/pkgs/applications/graphics/apngasm/default.nix
@@ -26,6 +26,11 @@ stdenv.mkDerivation {
       url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/media-gfx/apngasm/files/apngasm-3.1.10-static.patch?id=45fd0cde71ca2ae0e7e38ab67400d84b86b593d7";
       sha256 = "sha256-eKthgInWxXEqN5PupvVf9wVQDElxsPYRFXT7pMc6vIU=";
     })
+    # Boost 1.89+ removed the boost_system CMake component
+    (fetchpatch {
+      url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/media-gfx/apngasm/files/apngasm-3.1.10-boost-1.89.patch?id=87e57d47db8c7c68acb2dec534e70015d8b1d61e";
+      sha256 = "sha256-92oie9owUYP8a1hrJsFCRk8QI4AjTzMXTe+frlmbIuE=";
+    })
   ];
 
   nativeBuildInputs = [ cmake ];