py27-matplotlib fails to build on OS X El Capitain

[feedingfatalfairies@…]

After upgrading to OS X El Capitan, py27-matplotlib fails to build.

--->  Building py27-matplotlib
Error: org.macports.build for port py27-matplotlib returned: command execution failed
Please see the log file for port py27-matplotlib for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_python_py-matplotlib/py27-matplotlib/main.log

Cleaning did not solve the issue. The log file is attached.

Steps taken:

installed macports from web

installed xcode command line tools

xcode-select --install

removed and cleaned everything:

sudo port -f uninstall installed
sudo rm -rf /opt/local/var/macports/build/*
sudo port clean all

installed python 2.7

sudo port install py27-ipython
sudo port select --set ipython py27-ipython
sudo port select --set ipython2 py27-ipython

(tried to) install matplotlib

sudo port install py27-matplotlib

The I received the above error

This ticket looked similar but I did not find a workable solution: ​https://trac.macports.org/ticket/46990

[feedingfatalfairies@…]

log file