<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Dear all,<div class=""><br class=""></div><div class="">I have successfully managed to install and compile the first lemon example shown here <a href="http://lemon.cs.elte.hu/pub/tutorial/a00012.html" class="">http://lemon.cs.elte.hu/pub/tutorial/a00012.html</a>.</div><div class=""><br class=""></div><div class="">When I’m trying to compile source code that contains Linear Programming features I get the following error</div><div class=""><div style="margin: 0px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 221);" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><b class="">lemon_lp.cc:25:3: </b></span><span style="font-variant-ligatures: no-common-ligatures; color: #c2361f" class=""><b class="">error: </b></span><span style="font-variant-ligatures: no-common-ligatures" class=""><b class="">unknown type name 'Lp'</b></span></div><div style="margin: 0px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 221);" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> Lp lp;</span></div></div><div class=""><br class=""></div><div class="">The compile command I am using is:</div><div class=""><div style="margin: 0px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 221);" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">g++ -o lemon_lp lemon_lp.cc -lemon</span></div></div><div class=""><br class=""></div><div class="">Where lemon_lp.cc is the source code that is an identical copy of the code provided here <a href="http://lemon.cs.elte.hu/pub/tutorial/a00025.html" class="">http://lemon.cs.elte.hu/pub/tutorial/a00025.html</a></div><div class=""><br class=""></div><div class="">Am I doing something wrong, because I did not face similar issues when installing Lemon on UBUNTU.</div><div class=""><br class=""></div><div class="">My OS version is macOS Sierra 10.12.2</div><div class=""><br class=""></div><div class="">Thanks a lot for your time. Much appreciated.</div><div class=""><br class=""></div><div class="">Kind Regards,</div><div class="">Noel Farrugia</div></body></html>