#40171: Port cannot install gnuplot ----------------------------+-------------------------------- Reporter: matthew20103@… | Owner: macports-tickets@… Type: defect | Status: new Priority: Normal | Milestone: Component: ports | Version: 2.2.0 Keywords: | Port: ----------------------------+-------------------------------- When I was trying to install the gnuplot via macports, i.e. sudo port clean gnuplot sudo port install gnuplot I got the following messages: Error: org.macports.build for port gnuplot returned: command execution failed Please see the log file for port gnuplot for details: /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_math_gnuplot/gnuplot/main.log To report a bug, follow the instructions in the guide: http://guide.macports.org/#project.tickets Error: Processing of port gnuplot failed After inspecting the main.log file, I found the following error message: :info:build dyld: Library not loaded: /opt/local/lib/libpng15.15.dylib :info:build Referenced from: /opt/local/lib/libpangocairo-1.0.0.dylib :info:build Reason: Incompatible library version: libpangocairo-1.0.0.dylib requires version 31.0.0 or later, but libpng15.15.dylib provides version 30.0.0 How can I solve this problem? -- Ticket URL: <https://trac.macports.org/ticket/40171> MacPorts <http://www.macports.org/> Ports system for OS X