From 6946bc8c994abb5d5a4bb8e80e635f1364f3e2b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Forsman?= <bjorn.forsman@gmail.com>
Date: Sat, 10 Jan 2026 11:46:40 +0100
Subject: [PATCH] dhex: fix build for gcc>=15

Upstream has been notified by email about the required change, and were
positive, but I think we should patch it ourself in the meantime.
---
 pkgs/by-name/dh/dhex/package.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/by-name/dh/dhex/package.nix b/pkgs/by-name/dh/dhex/package.nix
index 80cafbb765a2..845541bafbfe 100644
--- a/pkgs/by-name/dh/dhex/package.nix
+++ b/pkgs/by-name/dh/dhex/package.nix
@@ -14,6 +14,11 @@ stdenv.mkDerivation rec {
     sha256 = "06y4lrp29f2fh303ijk1xhspa1d4x4dm6hnyw3dd8szi3k6hnwsj";
   };
 
+  postPatch = ''
+    # Fix build for gcc>=15
+    substituteInPlace ./output.h --replace-fail 'void initcolors();' 'void initcolors(tOutput*);'
+  '';
+
   buildInputs = [ ncurses ];
 
   installPhase = ''