From 9c66b0decc8167b9746988eb162aafe0d4dce620 Mon Sep 17 00:00:00 2001
From: whispers <whispersofthedawn@duck.com>
Date: Tue, 17 Mar 2026 23:21:49 -0400
Subject: [PATCH] global: fix build with GCC 15

---
 pkgs/by-name/gl/global/package.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/by-name/gl/global/package.nix b/pkgs/by-name/gl/global/package.nix
index f75b648a1776..43a1630067ef 100644
--- a/pkgs/by-name/gl/global/package.nix
+++ b/pkgs/by-name/gl/global/package.nix
@@ -1,5 +1,6 @@
 {
   fetchurl,
+  fetchpatch2,
   lib,
   stdenv,
   libtool,
@@ -24,6 +25,15 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-9uf9C2iu0pLoW7aGYWuvZVHVyUJK3N3KEdgIujGMsyA=";
   };
 
+  patches = [
+    # Fix for GCC 15 / C23, which interprets empty function parameter lists as
+    # having no parameters instead of an unspecified signature.
+    (fetchpatch2 {
+      url = "https://src.fedoraproject.org/rpms/global/raw/5a1ababa270e571f3133c03edcdb0e65f95e763f/f/libdb-dbpanic-function-pointers.patch";
+      hash = "sha256-o8u90h8ufF0Yr049fR9iMba+xq1tHXeiPdrHFSZMir0=";
+    })
+  ];
+
   nativeBuildInputs = [
     libtool
     makeWrapper