From 4e8dfe71d3830ff79619b0e9096dc7202de1190d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Forsman?= <bjorn.forsman@gmail.com>
Date: Thu, 4 Jul 2013 21:19:25 +0200
Subject: [PATCH] liburcu: new package

liburcu is a userspace RCU (read-copy-update) library that is used by
LTTng - Linux Trace Toolkit (next generation).
---
 .../development/libraries/liburcu/default.nix | 20 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 2 files changed, 22 insertions(+)
 create mode 100644 pkgs/development/libraries/liburcu/default.nix

diff --git a/pkgs/development/libraries/liburcu/default.nix b/pkgs/development/libraries/liburcu/default.nix
new file mode 100644
index 00000000000..74c6b8fa615
--- /dev/null
+++ b/pkgs/development/libraries/liburcu/default.nix
@@ -0,0 +1,20 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  version = "0.7.7";
+  name = "liburcu-${version}";
+
+  src = fetchurl {
+    url = "http://lttng.org/files/urcu/userspace-rcu-${version}.tar.bz2";
+    sha256 = "1yxxnhrsy6sv6bmp7j96jjynnqns01zjgj94mk70jz54zvcagf4a";
+  };
+
+  meta = with stdenv.lib; {
+    description = "Userspace RCU (read-copy-update) library";
+    homepage = http://lttng.org/urcu;
+    license = licenses.lgpl21Plus;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.bjornfor ];
+  };
+
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 53c3ba9ec73..bc9e0ccbc98 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4860,6 +4860,8 @@ let
 
   libunique = callPackage ../development/libraries/libunique/default.nix { };
 
+  liburcu = callPackage ../development/libraries/liburcu { };
+
   libusb = callPackage ../development/libraries/libusb {
     stdenv = if stdenv.isDarwin
       then overrideGCC stdenv gccApple