problem with libpng while installing matplotlib on mountain lion

[ashkan.ekhtiari@…]

sudo port install py27-matplotlib dyld: DYLD_ environment variables being ignored because main executable (/usr/bin/sudo) is setuid or setgid Password: ---> Computing dependencies for py27-matplotlib ---> Dependencies to be installed: libpng py27-configobj py27-dateutil py27-tz py27-pyobjc-cocoa py27-pyobjc py27-py2app py27-macholib py27-modulegraph py27-altgraph py27-tkinter tk tcl xorg-libX11 xorg-kbproto xorg-libXau xorg-xproto xorg-libXdmcp xorg-libxcb xorg-libpthread-stubs xorg-xcb-proto libxml2 ---> Configuring libpng Error: org.macports.configure for port libpng returned: configure failure: command execution failed Error: Failed to install libpng Please see the log file for port libpng for details:

/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_libpng/libpng/main.log

Error: The following dependencies were not installed: libpng py27-configobj py27-dateutil py27-tz py27-pyobjc-cocoa py27-pyobjc py27-py2app py27-macholib py27-modulegraph py27-altgraph py27-tkinter tk tcl xorg-libX11 xorg-kbproto xorg-libXau xorg-xproto xorg-libXdmcp xorg-libxcb xorg-libpthread-stubs xorg-xcb-proto libxml2 To report a bug, follow the instructions in the guide:

​http://guide.macports.org/#project.tickets

Error: Processing of port py27-matplotlib failed

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cat /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_libpng/libpng/main.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 (libpng) :debug:main Privilege de-escalation not attempted as not running as root. :debug:main Skipping completed org.macports.archivefetch (libpng) :debug:main Privilege de-escalation not attempted as not running as root. :debug:main Skipping completed org.macports.fetch (libpng) :debug:main Privilege de-escalation not attempted as not running as root. :debug:main Skipping completed org.macports.checksum (libpng) :debug:main Privilege de-escalation not attempted as not running as root. :debug:main Skipping completed org.macports.extract (libpng) :debug:main Privilege de-escalation not attempted as not running as root. :debug:main Skipping completed org.macports.patch (libpng) :debug:main Privilege de-escalation not attempted as not running as root. :debug:configure configure phase started at Fri Mar 1 22:38:03 CET 2013 :notice:configure ---> Configuring libpng :debug:configure Using compiler 'Mac OS X clang' :debug:configure Executing org.macports.configure (libpng) :debug:configure Environment: CPATH='/opt/local/include' CFLAGS='-pipe -O2 -arch x86_64' CPPFLAGS='-I/opt/local/include' CXXFLAGS='-pipe -O2 -arch x86_64' LIBRARY_PATH='/opt/local/lib' MACOSX_DEPLOYMENT_TARGET='10.8' CXX='/usr/bin/clang++' CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_libpng/libpng/work/.CC_PRINT_OPTIONS' F90FLAGS='-pipe -O2 -m64' LDFLAGS='-L/opt/local/lib -arch x86_64' OBJC='/usr/bin/clang' FCFLAGS='-pipe -O2 -m64' INSTALL='/usr/bin/install -c' OBJCFLAGS='-pipe -O2 -arch x86_64' FFLAGS='-pipe -O2 -m64' CC_PRINT_OPTIONS='YES' CC='/usr/bin/clang' :debug:configure Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_libpng/libpng/work/libpng-1.5.14" && ./configure --prefix=/opt/local' :debug:configure Executing command line: cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_libpng/libpng/work/libpng-1.5.14" && ./configure --prefix=/opt/local :info:configure sh: line 0: cd: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_libpng/libpng/work/libpng-1.5.14: No such file or directory :info:configure Command failed: cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_libpng/libpng/work/libpng-1.5.14" && ./configure --prefix=/opt/local :info:configure Exit code: 1 :error:configure org.macports.configure for port libpng returned: configure failure: command execution failed :debug:configure Error code: NONE :debug:configure Backtrace: configure failure: command execution failed

while executing

"$procedure $targetname" :info:configure Warning: targets not executed for libpng: org.macports.activate org.macports.configure org.macports.build org.macports.destroot org.macports.install :error:configure Failed to install libpng :debug:configure couldn't open "/System/Library/Frameworks/Tcl.framework/Versions/8.5/Resources/tclIndex": no such file or directory

while executing

"open [file join $dir tclIndex]" :notice:configure Please see the log file for port libpng for details:

/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_libpng/libpng/main.log