From e529526f984652d651a9c7c14b3da6f5488dca5a Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Sat, 24 Jan 2026 12:53:32 +0000
Subject: [PATCH] lv: pin to `-std=gun17`, `gcc-15` build fix

Without the change the build fails on `master` as
https://hydra.nixos.org/build/319967619:

    ../src/console.c: In function 'ConsoleGetWindowSize':
    ../src/console.c:218:13: error: too many arguments to function 'tgetnum'; expected 0, have 1
      218 |     WIDTH = tgetnum( "columns" );
          |             ^~~~~~~  ~~~~~~~~~
---
 pkgs/by-name/lv/lv/package.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/by-name/lv/lv/package.nix b/pkgs/by-name/lv/lv/package.nix
index b83d38d41efd..a60851fa7ba9 100644
--- a/pkgs/by-name/lv/lv/package.nix
+++ b/pkgs/by-name/lv/lv/package.nix
@@ -23,6 +23,10 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ autoreconfHook ];
   buildInputs = [ ncurses ];
 
+  # Upstream needs quite a bit of porting to c23:
+  #   https://github.com/ttdoda/lv/issues/3
+  NIX_CFLAGS_COMPILE = "-std=gnu17";
+
   preAutoreconf = "cd src";
   postAutoreconf = "cd ..";