Hi when I was trying to install the gnuplot using macports, the following messages were printed out: ############################################################# sudo port install gnuplot ---> Computing dependencies for gnuplot ---> Fetching archive for gnuplot ---> Attempting to fetch gnuplot-4.6.3_3+aquaterm+luaterm+pangocairo+x11.darwin_12.x86_64.tbz2 from http://jog.id.packages.macports.org/macports/packages/gnuplot ---> Attempting to fetch gnuplot-4.6.3_3+aquaterm+luaterm+pangocairo+x11.darwin_12.x86_64.tbz2 from http://packages.macports.org/gnuplot ---> Attempting to fetch gnuplot-4.6.3_3+aquaterm+luaterm+pangocairo+x11.darwin_12.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/gnuplot ---> Fetching distfiles for gnuplot ---> Verifying checksums for gnuplot ---> Extracting gnuplot ---> Applying patches to gnuplot ---> Configuring gnuplot ---> Building gnuplot 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 ############################################################# I had tried "sudo port clean gnuplot" and re-install it, but the problem still exists. The following is part of the main.log file: ############################################################# ... lfontconfig -lglib-2.0 -lintl :info:build ./doc2gih ./gnuplot.doc gnuplot.gih :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 :info:build make[2]: *** [gnuplot.gih] Trace/BPT trap: 5 :info:build make[2]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_math_gnuplot/gnuplot/work/gnuplot-4.6.3/docs' :info:build make[1]: *** [all-recursive] Error 1 :info:build make[1]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_math_gnuplot/gnuplot/work/gnuplot-4.6.3' :info:build make: *** [all] Error 2 :info:build make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_math_gnuplot/gnuplot/work/gnuplot-4.6.3' :info:build Command failed: cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_math_gnuplot/gnuplot/work/gnuplot-4.6.3" && /usr/bin/make -j4 -w all :info:build Exit code: 2 :error:build org.macports.build for port gnuplot returned: command execution failed :debug:build Error code: CHILDSTATUS 92937 2 :debug:build Backtrace: command execution failed while executing "system -nice 0 $fullcmdstring" ("eval" body line 1) invoked from within "eval system $notty $nice \$fullcmdstring" invoked from within "command_exec build" (procedure "portbuild::build_main" line 8) invoked from within "$procedure $targetname" :info:build Warning: targets not executed for gnuplot: org.macports.activate org.macports.build org.macports.destroot org.macports.install :notice:build 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 ############################################################# Thank you for your help. -- View this message in context: http://mac-os-forge.2317878.n4.nabble.com/Cannot-install-gnuplot-tp226278.ht... Sent from the MacPorts - Tickets mailing list archive at Nabble.com.