From fb5d5c81ea09871c2dd6fddc4052bf0748880068 Mon Sep 17 00:00:00 2001
From: Tristan Ross <tristan.ross@midstall.com>
Date: Sat, 25 Jan 2025 08:00:01 -0800
Subject: [PATCH]  libtirpc: fix undefined reference in version script with
 llvm bintools

---
 pkgs/by-name/li/libtirpc/package.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/by-name/li/libtirpc/package.nix b/pkgs/by-name/li/libtirpc/package.nix
index 32476de5d6e7..95819e42330e 100644
--- a/pkgs/by-name/li/libtirpc/package.nix
+++ b/pkgs/by-name/li/libtirpc/package.nix
@@ -32,6 +32,10 @@ stdenv.mkDerivation rec {
     sed -es"|/etc/netconfig|$out/etc/netconfig|g" -i doc/Makefile.in tirpc/netconfig.h
   '';
 
+  configureFlags = lib.optional (
+    stdenv.cc.bintools.isLLVM && lib.versionAtLeast stdenv.cc.bintools.version "17"
+  ) "LDFLAGS=-Wl,--undefined-version";
+
   enableParallelBuilding = true;
 
   preInstall = ''