cmake: add PROJECT_USE_KEYWORD_LINK_LIBRARIES

CMakeLists.txt

@@ -9,6 +9,7 @@ SET(PROJECT_NAME eigenpy)
 SET(PROJECT_DESCRIPTION "Bindings between Numpy and Eigen using Boost.Python")
 SET(PROJECT_URL "http://github.com/stack-of-tasks/eigenpy")
 SET(PROJECT_USE_CMAKE_EXPORT TRUE)
+SET(PROJECT_USE_KEYWORD_LINK_LIBRARIES TRUE)
 SET(PROJECT_CUSTOM_HEADER_EXTENSION "hpp")
 
 # Check if the submodule cmake have been initialized