<div dir="ltr"><div>Dear sirs.</div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-">Thanks to you I could solve the problem of compiling quantum espreso 6.2.1 in ubuntu 18.04 lts, a<span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-">nd I used the following instruction suggested by Pietro</span></span> Delugas:<br></span></span></div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-">"For the compilation of previous versions of Q.E.  using FoX, using  with bugged versions of gcc it is sufficient to replace the fox.tgz in the archive with the corrected one which I am attaching."</span></span></div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-">The program is running perfectly.</span></span></div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-"><br></span></span></div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-">Best regards,</span></span></div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-"><br></span></span></div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-"><br></span></span></div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-">Luis A. Leon M.</span></span></div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-">Assistant Teacher</span></span></div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-">Instituto Tecnológico Metropolitano, ITM</span></span></div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-">Department of Biomedical Engineering<br></span></span></div><div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-">Medellin, Colombia</span></span><br></div></div>