Removed inclusion of seemingly unnecessary boost/serialization/is_abstract.hpp header
find_library (boost_program_options_LIBRARY NAME boost_program_options
PATHS ${Boost_LIBRARY_DIR})
add_subdirectory (alphashapes)
add_subdirectory (ar-vineyard)
add_subdirectory (cech-complex)
add_subdirectory (fitness)
add_subdirectory (grid)
add_subdirectory (triangle)
add_subdirectory (poincare)