From e9c612cdfe9852a394fd3e68e6f88deacdd9903c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Mon, 13 Jun 2016 10:11:45 +0200
Subject: [PATCH] rr: fix build after gcc-5.4 bump

Discussion: https://github.com/NixOS/nixpkgs/commit/772c92ba5c60a
---
 pkgs/development/tools/analysis/rr/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/tools/analysis/rr/default.nix b/pkgs/development/tools/analysis/rr/default.nix
index 926aaeb94ccc..26d98ed866b2 100644
--- a/pkgs/development/tools/analysis/rr/default.nix
+++ b/pkgs/development/tools/analysis/rr/default.nix
@@ -11,8 +11,9 @@ stdenv.mkDerivation rec {
     sha256 = "03fl2wgbc1cilaw8hrhfqjsbpi05cid6k4cr3s2vmv5gx0dnrgy4";
   };
 
-  patchPhase = ''
+  postPatch = ''
     substituteInPlace src/Command.cc --replace '_BSD_SOURCE' '_DEFAULT_SOURCE'
+    sed '7i#include "math.h"' -i src/Scheduler.cc
     patchShebangs .
   '';