update macports dyld-headers is obsolete

[dirkvandamme]

see hereby the error in terminal during upgrade of macports outdated

iMac-Dirk-en-Marleen:~ dirk_marleen$ sudo port upgrade outdated
--->  Configuring dyld-headers
Error: dyld-headers is obsolete; please uninstall it.
Error: org.macports.configure for port dyld-headers returned: obsolete port
Please see the log file for port dyld-headers for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_dyld-headers/dyld-headers/main.log
Error: Unable to upgrade port: 1
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
iMac-Dirk-en-Marleen:~ dirk_marleen$ 

this is the log main.log

version:1
:debug:main dyld-headers has no conflicts
:debug:main Executing org.macports.main (dyld-headers)
:debug:main changing euid/egid - current euid: 0 - current egid: 0
:debug:main egid changed to: 501
:debug:main euid changed to: 504
:debug:main Skipping completed org.macports.archivefetch (dyld-headers)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.fetch (dyld-headers)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.checksum (dyld-headers)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.extract (dyld-headers)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.patch (dyld-headers)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:configure configure phase started at Sun Feb 28 06:19:26 CET 2016
:notice:configure --->  Configuring dyld-headers
:debug:configure Using compiler 'Xcode Clang'
:debug:configure Executing proc-pre-org.macports.configure-configure-0
:error:configure dyld-headers is obsolete; please uninstall it.
:error:configure org.macports.configure for port dyld-headers returned: obsolete port
:debug:configure Error code: NONE
:debug:configure Backtrace: obsolete port
    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 dyld-headers: org.macports.install org.macports.configure org.macports.build org.macports.destroot
:notice:configure Please see the log file for port dyld-headers for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_dyld-headers/dyld-headers/main.log

[ryandesign (Ryan Carsten Schmidt)]

As the message says:

dyld-headers is obsolete; please uninstall it