diff --git a/.gitignore b/.gitignore
index 1377554..d5a1572 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 *.swp
+build
diff --git a/examples/bfs/bfs_kernel.hpp b/examples/bfs/bfs_kernel.hpp
index 8c8613b..055dcde 100644
--- a/examples/bfs/bfs_kernel.hpp
+++ b/examples/bfs/bfs_kernel.hpp
@@ -15,6 +15,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 #ifndef BFS_BFS_KERNEL_HPP
 #define BFS_BFS_KERNEL_HPP
 
+#include <cstdint>
 #include <iostream>
 #include <limits>
 
diff --git a/examples/bfs/utility/bitmap.hpp b/examples/bfs/utility/bitmap.hpp
index 1881b85..167a777 100644
--- a/examples/bfs/utility/bitmap.hpp
+++ b/examples/bfs/utility/bitmap.hpp
@@ -15,6 +15,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 #ifndef LIB_UTILITY_BITMAP_HPP
 #define LIB_UTILITY_BITMAP_HPP
 
+#include <cstdint>
 #include <iostream>
 
 namespace utility