From dea17be39e52a82613b538141acbbcb70ae87020 Mon Sep 17 00:00:00 2001
From: figsoda <figsoda@pm.me>
Date: Mon, 20 Nov 2023 13:12:20 -0500
Subject: [PATCH] topiary: fix build on darwin

---
 pkgs/development/tools/misc/topiary/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/tools/misc/topiary/default.nix b/pkgs/development/tools/misc/topiary/default.nix
index 2128115165ba..cb4f3884d79f 100644
--- a/pkgs/development/tools/misc/topiary/default.nix
+++ b/pkgs/development/tools/misc/topiary/default.nix
@@ -1,6 +1,7 @@
 { lib
 , rustPlatform
 , fetchFromGitHub
+, stdenv
 , nix-update-script
 }:
 
@@ -36,6 +37,9 @@ rustPlatform.buildRustPackage rec {
 
   env = {
     TOPIARY_LANGUAGE_DIR = "${placeholder "out"}/share/queries";
+  } // lib.optionalAttrs stdenv.cc.isClang {
+    # Work around https://github.com/NixOS/nixpkgs/issues/166205.
+    NIX_LDFLAGS = "-l${stdenv.cc.libcxx.cxxabi.libName}";
   };
 
   postInstall = ''