<div dir="ltr"><div>Please write to <a href="mailto:users@lists.quantum-espresso.org">users@lists.quantum-espresso.org</a> (CC:), not to users-owner@<br></div><div><br></div><div>P.<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, May 7, 2021 at 12:00 AM rajveer singh <<a href="mailto:rajveersingh@arsd.du.ac.in">rajveersingh@arsd.du.ac.in</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;">Dear Sir/Madam<div><br></div><div>I am trying to instal quantum expresso 6.7 on macOS Catalina.</div><div>When I am configuring qe-6.7 , then I found the error on the terminal </div><div><div style="margin:0px;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">checking build system type... x86_64-apple-darwin19.6.0</span></div><div style="margin:0px;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">checking ARCH... mac686</span></div><div style="margin:0px;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">checking setting AR... ... ar</span></div><div style="margin:0px;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">checking setting ARFLAGS... ... ruv</span></div><div style="margin:0px;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">checking for gfortran... gfortran</span></div><div style="margin:0px;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures">checking whether the Fortran compiler works… no</span></div></div><div style="margin:0px;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">configure: error: in `/Users/MYNAME/Qe/qe-6.7':</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">configure: error: Fortran compiler cannot create executables</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">See `config.log' for more details</span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures"><br></span></div><div style="margin:0px;font-stretch:normal;line-height:normal"><span style="font-variant-ligatures:no-common-ligatures">I have installed </span></div><div style="margin:0px;font-stretch:normal;line-height:normal">gcc</div><div style="margin:0px;font-stretch:normal;line-height:normal">Open-mpi</div><div style="margin:0px;font-stretch:normal;line-height:normal"><br></div><div style="margin:0px;font-stretch:normal;line-height:normal">I would like to know how to fix this.</div><div style="margin:0px;font-stretch:normal;line-height:normal"><br></div><div style="margin:0px;font-stretch:normal;line-height:normal">I spent two weeks on this.</div><div style="margin:0px;font-stretch:normal;line-height:normal"><br></div><div style="margin:0px;font-stretch:normal;line-height:normal">But every time I am not able to configure it.</div><div style="margin:0px;font-stretch:normal;line-height:normal"><br></div><div style="margin:0px;font-stretch:normal;line-height:normal">Please help in this regard.</div><div style="margin:0px;font-stretch:normal;line-height:normal"> </div></span></div></div></blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,<br>Univ. Udine, via delle Scienze 206, 33100 Udine, Italy<br>Phone +39-0432-558216, fax +39-0432-558222<br><br></div></div></div></div></div></div>