From 9e4fa4d3f98ecb8fbaedd37dc5fc7141f90f9083 Mon Sep 17 00:00:00 2001
From: Stefan Frijters <sfrijters@gmail.com>
Date: Sun, 15 Feb 2026 18:58:46 +0100
Subject: [PATCH] ucommon: move CXXFLAGS into env for structuredAttrs

---
 pkgs/by-name/uc/ucommon/package.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/by-name/uc/ucommon/package.nix b/pkgs/by-name/uc/ucommon/package.nix
index a4e623a24d81..1e5830224512 100644
--- a/pkgs/by-name/uc/ucommon/package.nix
+++ b/pkgs/by-name/uc/ucommon/package.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation (finalAttrs: {
   nativeBuildInputs = [ pkg-config ];
 
   # use C++14 Standard until error handling code gets updated upstream
-  CXXFLAGS = [ "-std=c++14" ];
+  env.CXXFLAGS = toString [ "-std=c++14" ];
 
   # disable flaky networking test
   postPatch = ''