From 80748a6ce4444826c0fa3deb3c23aab7d88563eb Mon Sep 17 00:00:00 2001
From: sempiternal-aurora
 <78790545+sempiternal-aurora@users.noreply.github.com>
Date: Tue, 30 Jun 2026 22:34:13 +1000
Subject: [PATCH] tk: fix build on darwin

---
 pkgs/development/libraries/tk/generic.nix | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/libraries/tk/generic.nix b/pkgs/development/libraries/tk/generic.nix
index 65270be3e345..7088a60468cc 100644
--- a/pkgs/development/libraries/tk/generic.nix
+++ b/pkgs/development/libraries/tk/generic.nix
@@ -9,6 +9,8 @@
   zlib,
   patches ? [ ],
   enableAqua ? stdenv.hostPlatform.isDarwin,
+  # TODO: Clean up on `staging`.
+  llvmPackages,
   ...
 }:
 
@@ -74,6 +76,10 @@ tcl.mkTclDerivation {
   ++ lib.optionals (lib.versionAtLeast tcl.version "9.0") [
     # Only used to detect the presence of zlib. Could be replaced with a stub.
     zip
+  ]
+  # TODO: Clean up on `staging`.
+  ++ lib.optionals stdenv.hostPlatform.isDarwin [
+    llvmPackages.lld
   ];
   buildInputs = lib.optionals (lib.versionAtLeast tcl.version "9.0") [
     zlib
@@ -89,9 +95,16 @@ tcl.mkTclDerivation {
 
   inherit tcl;
 
-  env = lib.optionalAttrs (lib.versionOlder tcl.version "8.6") {
-    NIX_CFLAGS_COMPILE = "-std=gnu17";
-  };
+  env =
+    lib.optionalAttrs (lib.versionOlder tcl.version "8.6") {
+      NIX_CFLAGS_COMPILE = "-std=gnu17";
+    }
+    // lib.optionalAttrs stdenv.hostPlatform.isDarwin {
+      # workaround for ld64 hardening issue
+      #
+      # TODO: Clean up on `staging`
+      NIX_CFLAGS_COMPILE = "-fuse-ld=lld";
+    };
 
   passthru = rec {
     inherit (tcl) release version;