I got basically the same error referenced in that ticket. :info:configure config.status: creating libxml2.spec :info:configure dyld: Library not loaded: /opt/local/lib/libreadline.6.dylib :info:configure Referenced from: /opt/local/bin/gawk :info:configure Reason: image not found :info:configure ./config.status: line 1387: 82317 Done eval sed \"\$ac_sed_extra\" "$ac_file_inputs" :info:configure 82318 Trace/BPT trap: 5 | $AWK -f "$ac_tmp/subs.awk" > $ac_tmp/out :info:configure config.status: error: could not create libxml2.spec
deactivate gawk upgrade gawk works around the problem, as suggested by Ryan. I don't understand though, why is it not fixable.