<div dir="ltr"><div>I installed default Ipopt debian package in ubuntu 16.04.<br></div>When I tried to compile sample examples, I got the following error in IpSmartPtr.hpp header file,<br><br>
<p style="margin:0px;text-indent:0px;white-space:pre-wrap"><span style="color:rgb(170,0,0)">/usr/include/coin/IpSmartPtr.hpp:18:4: error: #error "don't have header file for stddef"</span></p>
<p style="margin:0px;text-indent:0px;color:rgb(170,0,0);white-space:pre-wrap"><br></p> How do I solve this issue?<br></div>