[MacPorts] #43091: py27-matplotlib @1.3.1_4: +gtk3 variant missing dependency on gtk3

[MacPorts]

#43091: py27-matplotlib @1.3.1_4: +gtk3 variant missing dependency on gtk3
-----------------------------+--------------------------------
 Reporter:  md14-macports@…  |      Owner:  macports-tickets@…
     Type:  defect           |     Status:  new
 Priority:  Normal           |  Milestone:
Component:  ports            |    Version:  2.2.1
 Keywords:  haspatch         |       Port:  py-matplotlib
-----------------------------+--------------------------------
 Installing `py-matplotlib +gtk3` fails if the gtk3 port is not installed.

 {{{
 $ port installed gtk3
 None of the specified ports are installed.
 $ sudo port -vs install py27-matplotlib +gtk3
 ...
 --->  Building py27-matplotlib
 ...
 OPTIONAL BACKEND EXTENSIONS
 ...
                gtk3agg: no  [Requires gtk3 development files to be
                         installed.]
 ...
 ============================================================================
                         * The following required packages can not be
 built:
                         * gtk3agg
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_release_tarballs_ports_python_py-
 matplotlib/py27-matplotlib/work/matplotlib-1.3.1" &&
 /opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7
 setup.py --no-user-cfg build
 Exit code: 1
 Error: org.macports.build for port py27-matplotlib returned: command
 execution failed
 Warning: targets not executed for py27-matplotlib: org.macports.activate
 org.macports.build org.macports.destroot org.macports.install
 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
 To report a bug, follow the instructions in the guide:
     http://guide.macports.org/#project.tickets
 Error: Processing of port py27-matplotlib failed
 }}}

 The attached patch fixes the problem.

-- 
Ticket URL: <https://trac.macports.org/ticket/43091>
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