From c9ba38546b7b45b23b6ca4442f6bf3b87ea06d94 Mon Sep 17 00:00:00 2001
From: Tristan Ross <tristan.ross@midstall.com>
Date: Sat, 29 Mar 2025 23:54:45 -0700
Subject: [PATCH] pkgsStatic.stdenv: fix eval on darwin

---
 pkgs/stdenv/adapters.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/stdenv/adapters.nix b/pkgs/stdenv/adapters.nix
index 54527f841242..34198cff65d9 100644
--- a/pkgs/stdenv/adapters.nix
+++ b/pkgs/stdenv/adapters.nix
@@ -198,7 +198,8 @@ rec {
             {
               env = prevAttrs.env // {
                 NIX_CFLAGS_LINK =
-                  toString args.env.NIX_CFLAGS_LINK + lib.optionalString (stdenv.cc.isGNU or false) " -static-libgcc";
+                  toString (args.env.NIX_CFLAGS_LINK or "")
+                  + lib.optionalString (stdenv.cc.isGNU or false) " -static-libgcc";
               };
             }
           else