+set(BIBTEX2HTML ${BIBTEX2HTML} CACHE PATH "Path to bibtex2html")
+set(gtnets_path ${gtnets_path} CACHE PATH "Path to gtnets lib and include")
+set(custom_flags ${custom_flags} CACHE FORCE "Customers flags add to cmake_c_flag")
+
+if(NOT CMAKE_INSTALL_PREFIX)
+ set(CMAKE_INSTALL_PREFIX "/usr/local/simgrid/" CACHE PATH "Path where to install project")
+else(NOT CMAKE_INSTALL_PREFIX)
+ set(CMAKE_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX} CACHE PATH "Path where to install project")
+endif(NOT CMAKE_INSTALL_PREFIX)