<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">> Rodrigo Fuentes wrote:<br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">> What I meant is you can enter in your file the full path to the "missing" header file.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">I tried this, it didn't make any difference. Anyway it can find "Cbc_C_Interface.h", that's not the issue. It can't find the "Cbc_addCol" function, and some others: "Cbc_addRow, Cbc_setMaximumSeconds, Cbc_writeLp"</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div></div>