From 92c92038bbbb8533d514a85a5106848aaa6fae3a Mon Sep 17 00:00:00 2001
From: GraysonTinker <graysontinker@gmail.com>
Date: Wed, 8 Apr 2026 14:15:02 -0700
Subject: [PATCH] galculator: fix build with C23

(cherry picked from commit f0ab5f6c391e638544c2090e468b41c3cfba6db3)
---
 pkgs/by-name/ga/galculator/package.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/by-name/ga/galculator/package.nix b/pkgs/by-name/ga/galculator/package.nix
index e7068f831c8c..b4d121193c28 100644
--- a/pkgs/by-name/ga/galculator/package.nix
+++ b/pkgs/by-name/ga/galculator/package.nix
@@ -2,6 +2,7 @@
   lib,
   autoreconfHook,
   fetchFromGitHub,
+  fetchDebianPatch,
   fetchpatch2,
   flex,
   gtk3,
@@ -30,6 +31,12 @@ stdenv.mkDerivation (finalAttrs: {
       hash = "sha256-qVJHcfJTtl0hK8pzSp6MjhYAh1NbIIWr3rBDodIYBvk=";
     })
     ./gettext-0.25.patch
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname version;
+      patch = "0002-Declare-function-parameters-as-required-by-C23.patch";
+      debianRevision = "2.1";
+      hash = "sha256-kwRYYNOo3Z2SjFQzR6Mo+qBgW3LQfhxdE6mMpLGoE44=";
+    })
   ];
 
   nativeBuildInputs = [