<html><body><div style="color:#000; background-color:#fff; font-family:tahoma, new york, times, serif;font-size:12pt"><div style="font-family: tahoma, 'new york', times, serif; font-size: 12pt;">Dear All, </div><div style="font-family: tahoma, 'new york', times, serif; font-size: 12pt;"><br></div><div style="font-family: tahoma, 'new york', times, serif; font-size: 16.363636016845703px; color: rgb(0, 0, 0); background-color: transparent; font-style: normal;"><br></div><div style="font-family: tahoma, 'new york', times, serif; font-size: 16.363636016845703px; color: rgb(0, 0, 0); background-color: transparent; font-style: normal;">I built the lemon library using cmake and visual c++ 2008 on windows platform. I followed the instructions on the Lemon website. However, I'm receiving the following link error when trying to compile a program:</div><div style="font-family: tahoma, 'new york', times, serif; font-size: 16.363636016845703px; color: rgb(0, 0,
0); background-color: transparent; font-style: normal;"><br></div><div style="background-color: transparent;"><font face="tahoma, new york, times, serif">error LNK2001: unresolved external symbol "struct lemon::Invalid const lemon::INVALID" (?INVALID@lemon@@3UInvalid@1@B)</font><br></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: 'Times New Roman'; font-style: normal;"><font face="tahoma, new york, times, serif"><br></font></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: tahoma, 'new york', times, serif; font-style: normal;"><br></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: tahoma, 'new york', times, serif; font-style: normal;"> I really appreciate your help if you advise me how to resolve this error. Thanks.</div><div style="background-color:
transparent; color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: tahoma, 'new york', times, serif; font-style: normal;"><br></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: tahoma, 'new york', times, serif; font-style: normal;"><br></div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: tahoma, 'new york', times, serif; font-style: normal;">Regards</div><div style="background-color: transparent; color: rgb(0, 0, 0); font-size: 16.363636016845703px; font-family: tahoma, 'new york', times, serif; font-style: normal;">Firas</div></div></body></html>