From 852c13ca9b6806ce54855f4c1b138662ed47b72d Mon Sep 17 00:00:00 2001
From: Tristan Ross <tristan.ross@midstall.com>
Date: Fri, 14 Jun 2024 21:59:17 -0700
Subject: [PATCH] libbsd: fix version script with lld 17+

---
 pkgs/development/libraries/libbsd/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/libraries/libbsd/default.nix b/pkgs/development/libraries/libbsd/default.nix
index 9e80d17b8a03..fa8b6b65950b 100644
--- a/pkgs/development/libraries/libbsd/default.nix
+++ b/pkgs/development/libraries/libbsd/default.nix
@@ -35,6 +35,9 @@ stdenv.mkDerivation rec {
     url = "https://gitlab.freedesktop.org/libbsd/libbsd.git";
   };
 
+  # Fix undefined reference errors with version script under LLVM.
+  configureFlags = lib.optionals (stdenv.cc.bintools.isLLVM && lib.versionAtLeast stdenv.cc.bintools.version "17") [ "LDFLAGS=-Wl,--undefined-version" ];
+
   meta = with lib; {
     description = "Common functions found on BSD systems";
     homepage = "https://libbsd.freedesktop.org/";