[cmake] Add Boost_INCLUDE_DIRS

Necessary on clang.

CMakeLists.txt

@@ -22,6 +22,7 @@ SET(DOXYGEN_USE_TEMPLATE_CSS YES)
 # JRL-cmakemodule setup
 INCLUDE(cmake/base.cmake)
 INCLUDE(cmake/boost.cmake)
+INCLUDE(cmake/test.cmake)
 
 # Project definition
 COMPUTE_PROJECT_ARGS(PROJECT_ARGS LANGUAGES CXX)
@@ -126,7 +127,8 @@ SET(${PROJECT_NAME}_SOURCES
 
 ADD_LIBRARY(${PROJECT_NAME} SHARED
   ${${PROJECT_NAME}_SOURCES} ${${PROJECT_NAME}_HEADERS})
-TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} SYSTEM PUBLIC ${EIGEN3_INCLUDE_DIR})
+TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} SYSTEM PUBLIC ${EIGEN3_INCLUDE_DIR}
+  ${Boost_INCLUDE_DIRS})
 TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} PUBLIC $<INSTALL_INTERFACE:include>)
 TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${Boost_LIBRARIES})