commit b0d31cc1e9a43b45d216ee7f804e901a5c0f8936
Author: Hodorgasm <nsane457@gmail.com>
Date:   Mon Sep 19 17:58:22 2016 -0400

    Fix "stdlib.h: No such file or directory" errors in GCC-6
    
    Including '-isystem /usr/include' breaks building with GCC-6.
    See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70129

diff --git a/tf/CMakeLists.txt b/tf/CMakeLists.txt
index 8077561..cf72127 100644
--- a/tf/CMakeLists.txt
+++ b/tf/CMakeLists.txt
@@ -8,7 +8,7 @@ find_package(catkin COMPONENTS angles geometry_msgs message_filters message_gene
 
 catkin_python_setup()
 
-include_directories(SYSTEM ${Boost_INCLUDE_DIR}
+include_directories(${Boost_INCLUDE_DIR}
                            ${catkin_INCLUDE_DIRS}
 )
 include_directories(include)