"Debutant". Thanks spell-check! I meant "debian" B On May 26, 2016, at 1:45 PM, "Ravel, Bruce" wrote: Ernesto, That cannot possibly be the entire screen output. If you don't know enough to interpret and troubleshoot the screen output, then you cannot reliably edit it. Capture everything. Post everything. If you do not provide sufficient context, you cannot expect me to be able to help. It would be useful to tell us what kind of computer you are using. The debutant answer may be different from the Mac answer or from the Red Hat answer. B On May 26, 2016, at 1:38 PM, Ernesto Ramos wrote: Dear all, after running the PGPLOT_install script, I'm trying to continue the installation using ./configure, and sudo make, but in this step appears the following error message, collect2: error: ld returned 1 exit status make[3]: *** [libifeffit.so] Error 1 make[3]: Leaving directory `/home/ernesto/ifeffit-master/src/lib' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/home/ernesto/ifeffit-master/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/ernesto/ifeffit-master' make: *** [all-recursive-am] Error 2 Could you help me to overcome this error? Thanks a lot! --------------------------------------------------------------------------- Ernesto Ramos Physical Engineer University of Brasilia, Campus Darcy Ribeiro 70910900 Brasilia DF, Brazil Tel. (+55) 61 30343370 Cel. (+55) 61 82317244 ---------------------------------------------------------------------------