Index: swig/CMakeLists.txt
--- swig/CMakeLists.txt.orig
+++ swig/CMakeLists.txt
@@ -30,6 +30,8 @@ if( ${CMAKE_SYSTEM_NAME} MATCHES "SunOS" )
     set( CMAKE_CXX_FLAGS "-std=c++11" )
 elseif( ${CMAKE_SYSTEM_NAME} MATCHES "Darwin" )
     set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w -std=c++11" )
+elseif( ${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD" )
+    set( CMAKE_CXX_FLAGS "-std=c++11" )
 elseif( ${CMAKE_SYSTEM_NAME} MATCHES "Linux" )
     set( CMAKE_CXX_FLAGS "-std=c++11" )
 elseif( ${CMAKE_SYSTEM_NAME} MATCHES "Windows" )