if (enable_gtnets OR enable_ns3)
enable_language(CXX)
endif()
+
+enable_language(CXX)
+
if (NOT DEFINED enable_smpi OR enable_smpi) # smpi is enabled by default
# Call enable_language(Fortran) in order to load the build rules for
# this language, needed by teshsuite/smpi/mpich-test/. Use