### Need to set rc ccompiler before enable language
if(WIN32)
SET(CMAKE_RC_COMPILER "windres")
-endif(WIN32)
-project(SimGrid CXX C Fortran)
+endif()
+project(SimGrid C)
+if (enable_gtnets OR enable_ns3)
+ enable_language(CXX)
+endif()
set(CMAKE_C_FLAGS "" CACHE TYPE INTERNAL FORCE)
set(CMAKE_CXX_FLAGS "" CACHE TYPE INTERNAL FORCE)