From 1e6097f00aeb7095301e8825fa0ef466d2e3ab4e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Wed, 11 Nov 2015 14:58:52 +0100
Subject: [PATCH] stace: add libunwind support (fixes #10515)

I think it's not worth making such a small library optional as in the PR.
---
 pkgs/development/tools/misc/strace/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/tools/misc/strace/default.nix b/pkgs/development/tools/misc/strace/default.nix
index 07e67b558d2f..461e3c25a36a 100644
--- a/pkgs/development/tools/misc/strace/default.nix
+++ b/pkgs/development/tools/misc/strace/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, perl }:
+{ stdenv, fetchurl, perl, libunwind }:
 
 stdenv.mkDerivation rec {
   name = "strace-4.10";
@@ -10,6 +10,8 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ perl ];
 
+  buildInputs = [ libunwind ]; # support -k
+
   meta = with stdenv.lib; {
     homepage = http://strace.sourceforge.net/;
     description = "A system call tracer for Linux";