From 680bdcaa971b6528361f774960d96e2b547206ff Mon Sep 17 00:00:00 2001
From: Marcus Ramberg <marcus@means.no>
Date: Wed, 17 Dec 2025 13:53:19 +0100
Subject: [PATCH] perlPackages.Tk: fix build with gcc15

---
 pkgs/top-level/perl-packages.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 786ad62e3a76..06ef08b0e6c6 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -37048,6 +37048,7 @@ with self;
       NIX_CFLAGS_COMPILE = toString [
         "-Wno-error=implicit-int"
         "-Wno-error=incompatible-pointer-types"
+        "-std=gnu17"
       ];
     };
     doCheck = false; # Expects working X11.