From 7a623aec4700edb1fa410607aadf6ce238f6d5dd Mon Sep 17 00:00:00 2001
From: Alexander Ried <ried@mytum.de>
Date: Wed, 7 Sep 2016 14:24:18 +0200
Subject: [PATCH] ignition-transport: fix cmake file

---
 pkgs/development/libraries/ignition-transport/generic.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/ignition-transport/generic.nix b/pkgs/development/libraries/ignition-transport/generic.nix
index 0b10c2cdb52..5edbf9e4551 100644
--- a/pkgs/development/libraries/ignition-transport/generic.nix
+++ b/pkgs/development/libraries/ignition-transport/generic.nix
@@ -15,6 +15,10 @@ stdenv.mkDerivation rec {
 
   propagatedBuildInputs = [ cppzmq ];
 
+  postPatch = ''
+    substituteInPlace cmake/ignition-config.cmake.in --replace "@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_" "@CMAKE_INSTALL_"
+  '';
+
   meta = with stdenv.lib; {
     homepage = http://ignitionrobotics.org/libraries/math;
     description = "Math library by Ingition Robotics, created for the Gazebo project";