From 3bdd1156b8738a1f504b17616b0722f63c9bad32 Mon Sep 17 00:00:00 2001
From: Manuel Mendez <mmendez534@gmail.com>
Date: Wed, 30 Jan 2019 08:30:57 -0500
Subject: [PATCH] iperf2: enable fastsampling config option

From ./configure --help

  --enable-fastsampling   enable support for 100 microsecond report intervals
---
 pkgs/tools/networking/iperf/2.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/tools/networking/iperf/2.nix b/pkgs/tools/networking/iperf/2.nix
index 0c90047e05e..9faa0f95351 100644
--- a/pkgs/tools/networking/iperf/2.nix
+++ b/pkgs/tools/networking/iperf/2.nix
@@ -9,6 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   hardeningDisable = [ "format" ];
+  configureFlags = [ "--enable-fastsampling" ];
 
   meta = with stdenv.lib; {
     homepage = https://sourceforge.net/projects/iperf/;