Why does the error messages refer to systemc2.3.0 eventhough I have 2.3.1 like in your readme installed ?

[febinpsunny]

build/Stats.o: In function _GLOBAL__sub_I__ZN5Stats9configureEid': Stats.cpp:(.text.startup+0x36): undefined reference tosc_core::sc_api_version_2_3_0::sc_api_version_2_3_0()' build/Router.o: In function _GLOBAL__sub_I__ZN6Router7processEv': Router.cpp:(.text.startup+0xf8): undefined reference tosc_core::sc_api_version_2_3_0::sc_api_version_2_3_0()' build/LocalRoutingTable.o: In function _GLOBAL__sub_I__ZN17LocalRoutingTableC2Ev': LocalRoutingTable.cpp:(.text.startup+0x36): undefined reference tosc_core::sc_api_version_2_3_0::sc_api_version_2_3_0()' build/ProcessingElement.o: In function _GLOBAL__sub_I__ZN17ProcessingElement7randIntEii': ProcessingElement.cpp:(.text.startup+0xe8): undefined reference tosc_core::sc_api_version_2_3_0::sc_api_version_2_3_0()'