From cc28a73a59f63669d2ca643160a0640c48a7e13e Mon Sep 17 00:00:00 2001
From: Seongmin Lee <git@boltless.me>
Date: Mon, 29 Jun 2026 18:41:08 +0900
Subject: [PATCH] nix: fix cargo in darwin nix devshell

Signed-off-by: Seongmin Lee <git@boltless.me>
---
 flake.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/flake.nix b/flake.nix
index 834e529a..5e276133 100644
--- a/flake.nix
+++ b/flake.nix
@@ -329,6 +329,10 @@
               ++ pkgs.lib.optionals pkgs.stdenv.isDarwin [
                 pkgs.darwin.cctools
               ];
+          }
+          // pkgs.lib.optionalAttrs pkgs.stdenv.isDarwin {
+            # Point cargo's linker at the nix cc-wrapper so NIX_LDFLAGS applies.
+            "CARGO_TARGET_${pkgs.lib.toUpper (builtins.replaceStrings ["-"] ["_"] pkgs.stdenv.hostPlatform.rust.rustcTarget)}_LINKER" = "${pkgs.pkgsStatic.stdenv.cc.targetPrefix}cc";
           });
     in {
       default = staticShell {
-- 
2.51.2