DanTrim:~ daniele$ sudo port clean optpp Password: ---> Cleaning optpp DanTrim:~ daniele$ sudo port install optpp ---> Computing dependencies for optpp ---> Fetching archive for optpp ---> Attempting to fetch optpp-2.4_0.darwin_15.x86_64.tbz2 from http://lil.fr.packages.macports.org/optpp ---> Attempting to fetch optpp-2.4_0.darwin_15.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/optpp ---> Attempting to fetch optpp-2.4_0.darwin_15.x86_64.tbz2 from http://nue.de.packages.macports.org/macports/packages/optpp ---> Fetching distfiles for optpp ---> Verifying checksums for optpp ---> Extracting optpp ---> Applying patches to optpp ---> Configuring optpp Error: Failed to configure optpp, consult /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_math_optpp/optpp/work/optpp-2.4/config.log Error: org.macports.configure for port optpp returned: configure failure: command execution failed Please see the log file for port optpp for details: /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_math_optpp/optpp/main.log To report a bug, follow the instructions in the guide: http://guide.macports.org/#project.tickets Error: Processing of port optpp failed DanTrim:~ daniele$