From 5b17986c928ecf33097a504d53e15d7e8b6796fb Mon Sep 17 00:00:00 2001
From: Philip Taron <philip.taron@gmail.com>
Date: Wed, 3 Apr 2024 10:00:02 -0700
Subject: [PATCH] frr: use elfutils instead of abandoned libelf

---
 pkgs/servers/frr/clippy-helper.nix | 5 +++--
 pkgs/servers/frr/default.nix       | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/pkgs/servers/frr/clippy-helper.nix b/pkgs/servers/frr/clippy-helper.nix
index bb5887bda0f3..c2b4b918ceca 100644
--- a/pkgs/servers/frr/clippy-helper.nix
+++ b/pkgs/servers/frr/clippy-helper.nix
@@ -8,7 +8,7 @@
 , flex
 , bison
 , pkg-config
-, libelf
+, elfutils
 , perl
 , python3
 
@@ -29,8 +29,9 @@ stdenv.mkDerivation rec {
   ];
 
   buildInputs = [
-    libelf
     python3
+  ] ++ lib.optionals (lib.meta.availableOn stdenv.hostPlatform elfutils) [
+    elfutils
   ];
 
   configureFlags = [
diff --git a/pkgs/servers/frr/default.nix b/pkgs/servers/frr/default.nix
index d588fee00483..d4adb5ed34fa 100644
--- a/pkgs/servers/frr/default.nix
+++ b/pkgs/servers/frr/default.nix
@@ -16,7 +16,7 @@
 , c-ares
 , json_c
 , libcap
-, libelf
+, elfutils
 , libunwind
 , libyang
 , net-snmp
@@ -118,7 +118,6 @@ stdenv.mkDerivation rec {
   buildInputs = [
     c-ares
     json_c
-    libelf
     libunwind
     libyang
     openssl
@@ -132,6 +131,8 @@ stdenv.mkDerivation rec {
     libcap
   ] ++ lib.optionals snmpSupport [
     net-snmp
+  ] ++ lib.optionals (lib.meta.availableOn stdenv.hostPlatform elfutils) [
+    elfutils
   ];
 
   # otherwise in cross-compilation: "configure: error: no working python version found"