... version of xHarbour, but now trying to use Harbour, FWH 18.04, and MSVC++ 2017. I have included the harbour libraries: hbziparc, hbmzip, hbzlib, minizip When building, I have the following undefined variables: MLS10aus.obj : error LNK2001: unresolved external symbol _HB_FUN_ZIPNEWMLS10aus.obj ...