<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">I have narrowed down the problem. The "Cbc_addCol" function is not in the "coin" directory. i.e. the following command yields no results:<br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">daniel@Gornvix /usr/include/coin $ grep -rw 'Cbc_addCol' .</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">Contrast this with a function reference that does compile:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">daniel@Gornvix /usr/include/coin $ grep -rw 'Cbc_getColSolution' .<br>./Cbc_C_Interface.h:    Cbc_getColSolution(Cbc_Model * model)</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">So it would appear that I don't have a full installation of CBC. These are the COIN-OR packages that I have installed:  Coinor-cbc, Coinor-clp, Coinor-libcbc3, Coinor-ligcgl1, Coinor-ligclp1, Coinor-libcoinmp1v5, Coinor-libcoinutils3v5, Coin-libosi1v5<br></div></div>