From 9f4916a9fef5cef9d1243021f91f96df77e5b32d Mon Sep 17 00:00:00 2001
From: Kirill Radzikhovskyy <kirillrdy@gmail.com>
Date: Fri, 16 Jan 2026 20:55:54 +1100
Subject: [PATCH] rubyPackages.ruby-lxc: fix build with gcc15

---
 pkgs/development/ruby-modules/gem-config/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index 298f2ff64674..410482616aea 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -1010,6 +1010,7 @@ in
 
   ruby-lxc = attrs: {
     buildInputs = [ lxc ];
+    env.NIX_CFLAGS_COMPILE = "-Wno-error=incompatible-pointer-types";
   };
 
   ruby-terminfo = attrs: {