commit 6c2d65452bd5fe62723988a1a570789921900d59
Author: Lukas Bulwahn <lukas.bulwahn@oss.bmw-carit.de>
Date:   Fri Sep 30 15:39:47 2016 +0200

    address gcc6 build error
    
    With gcc6, compiling fails with `stdlib.h: No such file or directory`,
    as including '-isystem /usr/include' breaks with gcc6, cf.,
    https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70129.
    
    This commit addresses this issue for this package in the same way
    it was addressed in various other ROS packages. A list of related
    commits and pull requests is at:
    
      https://github.com/ros/rosdistro/issues/12783
    
    Signed-off-by: Lukas Bulwahn <lukas.bulwahn@oss.bmw-carit.de>

diff --git a/depth_image_proc/CMakeLists.txt b/depth_image_proc/CMakeLists.txt
index 0a7c7e2..6ceebfe 100644
--- a/depth_image_proc/CMakeLists.txt
+++ b/depth_image_proc/CMakeLists.txt
@@ -10,11 +10,7 @@ catkin_package(
 find_package(Boost REQUIRED)
 find_package(Eigen REQUIRED)
 find_package(OpenCV REQUIRED)
-include_directories(include
-        SYSTEM ${BOOST_INCLUDE_DIRS}
-               ${catkin_INCLUDE_DIRS}
-               ${EIGEN_INCLUDE_DIRS}
-)
+include_directories(include ${BOOST_INCLUDE_DIRS} ${catkin_INCLUDE_DIRS} ${EIGEN_INCLUDE_DIRS})
 
 add_library(${PROJECT_NAME} src/nodelets/convert_metric.cpp
                              src/nodelets/crop_foremost.cpp