[CMake] fix python 3

CMakeLists.txt

@@ -4,6 +4,7 @@ INCLUDE(cmake/base.cmake)
 INCLUDE(cmake/test.cmake)
 INCLUDE(cmake/python.cmake)
 INCLUDE(cmake/hpp.cmake)
+INCLUDE(cmake/boost.cmake)
 
 SET(PROJECT_NAME hpp-centroidal-dynamics)
 SET(PROJECT_DESCRIPTION
@@ -27,9 +28,9 @@ IF(BUILD_PYTHON_INTERFACE)
   FINDPYTHON()
   include_directories(SYSTEM ${PYTHON_INCLUDE_DIRS} )
 
-  find_package( Boost COMPONENTS python REQUIRED )
+  SET(BOOST_COMPONENTS python)
+  SEARCH_FOR_BOOST()
   include_directories(SYSTEM ${Boost_INCLUDE_DIR} )
-
 ENDIF(BUILD_PYTHON_INTERFACE)
 
 ADD_REQUIRED_DEPENDENCY("eigen3")

python/CMakeLists.txt

-cmake_minimum_required( VERSION 2.8 )
-
 STRING(REGEX REPLACE "-" "_" PY_NAME ${PROJECT_NAME})
 
 ADD_REQUIRED_DEPENDENCY("eigenpy")
 
 # Define the wrapper library that wraps our library
-add_library( ${PY_NAME} SHARED centroidal_dynamics_python.cpp )
+add_library( ${PY_NAME} SHARED centroidal_dynamics_python )
 target_link_libraries( ${PY_NAME} ${Boost_LIBRARIES} ${PROJECT_NAME} )
 # don't prepend wrapper library name with lib
 set_target_properties( ${PY_NAME} PROPERTIES PREFIX "" )
 
 IF(APPLE)
-	# We need to change the extension for python bindings
+  # We need to change the extension for python bindings
   SET_TARGET_PROPERTIES(${PY_NAME} PROPERTIES SUFFIX ".so")
 ENDIF(APPLE)
 PKG_CONFIG_USE_DEPENDENCY(${PY_NAME} eigenpy)
 
 INSTALL(
-  TARGETS ${PY_NAME}	DESTINATION ${PYTHON_SITELIB}
-)
+  TARGETS ${PY_NAME} DESTINATION ${PYTHON_SITELIB}
+  )
 
 ADD_PYTHON_UNIT_TEST("python-centroidal-dynamics" "python/test/binding_tests.py" "python")