Open Babel 2.3.1 is exceedingly old. You are running into problems with a newer compiler from Ubuntu 18.04 and older C++ syntax.
The current version of Open Babel is 3.1.1 - you can likely install packages directly from Ubuntu or conda-forge. Hope that helps, -Geoff --- Prof. Geoffrey Hutchison Department of Chemistry University of Pittsburgh tel: (412) 648-0492 email: geo...@pitt.edu twitter: @ghutchis web: https://hutchisonlab.org/ > On Aug 21, 2022, at 10:05 AM, 唐王刚 <tangwangg...@bbmc.edu.cn> wrote: > > > > I am sorry to disturb you! There are some errors during installing open babel > 2.3.1 on Ubuntu 18.04.1 system. When I run the following > command: "make 2>&1 | tee make.out", the errors given below happen. Could you > tell me how to deal with this problem? Thank you! I am looking forward to > your reply as soon as possible! > > Cheers, > > Tang > > <WFBP73W7RSXJJAY5]$_K)ZT.png> > > > > > > > > 唐王刚 Wanggang Tang > 博士 副教授 > Ph.D. Associate Professor > Organization: Bengbu Medical College > Address: No. 2600, Donghai Avenue. Bengbu, Anhui, China > > > > <cmake.out><make.out>_______________________________________________ > OpenBabel-discuss mailing list > OpenBabel-discuss@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/openbabel-discuss _______________________________________________ OpenBabel-discuss mailing list OpenBabel-discuss@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/openbabel-discuss