From 2edd7103dab1e43a233d7fee890461887e5f6e1d Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Thu, 15 Aug 2019 11:29:13 -0700
Subject: [PATCH] mtr: Only include libcap on Darwin

Fixes #66688
---
 pkgs/tools/networking/mtr/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/networking/mtr/default.nix b/pkgs/tools/networking/mtr/default.nix
index 59242551f92..d00e3737237 100644
--- a/pkgs/tools/networking/mtr/default.nix
+++ b/pkgs/tools/networking/mtr/default.nix
@@ -30,7 +30,9 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];
 
-  buildInputs = [ libcap ncurses ] ++ stdenv.lib.optional withGtk gtk2;
+  buildInputs = [ ncurses ]
+    ++ stdenv.lib.optional withGtk gtk2
+    ++ stdenv.lib.optional stdenv.isLinux libcap;
 
   enableParallelBuilding = true;