Error: Processing of port octave failed

[carollawrence@…]

Here is the error log.

version:1
:debug:main changing euid/egid - current euid: 0 - current egid: 0
:debug:main egid changed to: 501
:debug:main euid changed to: 502
:debug:main Executing org.macports.main (atlas)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.archivefetch (atlas)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.fetch (atlas)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.checksum (atlas)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.extract (atlas)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.patch (atlas)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:configure configure phase started at Fri Jan  1 20:44:29 EST 2016
:notice:configure --->  Configuring atlas
:debug:configure Using compiler 'Xcode Clang'
:debug:configure Executing proc-pre-org.macports.configure-configure-0
:msg:configure Selected C compiler: /usr/bin/clang
:error:configure org.macports.configure for port atlas returned: Atlas could not detect any fortran compiler. If you really don’t need the fortran interface to be built, please use the +nofortran option, else install a fortran compiler (e.g. gcc4X) before building Atlas.
:debug:configure Error code: NONE
:debug:configure Backtrace: Atlas could not detect any fortran compiler. If you really don’t need the fortran interface to be built, please use the +nofortran option, else install a fortran compiler (e.g. gcc4X) before building Atlas.
    while executing
"proc-pre-org.macports.configure-configure-0 org.macports.configure"
    ("eval" body line 1)
    invoked from within
"eval $pre $targetname"
:info:configure Warning: targets not executed for atlas: org.macports.activate org.macports.configure org.macports.build org.macports.destroot org.macports.install
:error:configure Failed to install atlas
:debug:configure Registry error: libnetpbm not registered as installed & active.
    invoked from within
"registry_active $subport"
    invoked from within
"$workername eval registry_active \$subport"
:notice:configure Please see the log file for port atlas for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_math_atlas/atlas/main.log

[ryandesign (Ryan Carsten Schmidt)]

The error message tells you how to resolve the problem:

Atlas could not detect any fortran compiler. If you really don’t need the fortran interface to be built, please use the +nofortran option, else install a fortran compiler (e.g. gcc4X) before building Atlas.