checking for a Python interpreter with version >= 2.4... python
checking for python... /usr/bin/python
checking for python version... 2.5
checking for python platform... linux2
checking for python script directory... ${prefix}/lib/python2.5/site-packages
checking for python extension module directory... ${exec_prefix}/lib/python2.5/site-packages
checking for python module gtk... no
configure: error: Could not find Python module gtk

!!! Please attach the following file when filing a report to bugs.gentoo.org:
!!! /var/tmp/portage/net-dns/avahi-0.6.21/work/avahi-0.6.21/config.log
 * 
 * ERROR: net-dns/avahi-0.6.21 failed.
 * Call stack:
 *   ebuild.sh, line 1654:   Called dyn_compile
 *   ebuild.sh, line 990:   Called qa_call 'src_compile'
 *   ebuild.sh, line 44:   Called src_compile
 *   avahi-0.6.21.ebuild, line 124:   Called econf '--localstatedir=/var' '--with-distro=gentoo' '--disable-python-dbus' '--disable-pygtk' '--disable-xmltoman' '--disable-monodoc' '--enable-glib' '--disable-tests' '--disable-autoipd' '--enable-compat-libdns_sd' '--disable-compat-howl' '--disable-doxygen-doc' '--enable-mono' '--enable-dbus' '--enable-python' '--enable-gtk' '--disable-qt3' '--enable-qt4' '--enable-gdbm' '--enable-python-dbus' '--enable-pygtk'
 *   ebuild.sh, line 591:   Called die
 * 
 * econf failed
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/log/portage/net-dns:avahi-0.6.21:20070827-124800.log'.
 * 

 * Messages for package net-dns/avahi-0.6.21:

 * 
 * ERROR: net-dns/avahi-0.6.21 failed.
 * Call stack:
 *   ebuild.sh, line 1654:   Called dyn_compile
 *   ebuild.sh, line 990:   Called qa_call 'src_compile'
 *   ebuild.sh, line 44:   Called src_compile
 *   avahi-0.6.21.ebuild, line 124:   Called econf '--localstatedir=/var' '--with-distro=gentoo' '--disable-python-dbus' '--disable-pygtk' '--disable-xmltoman' '--disable-monodoc' '--enable-glib' '--disable-tests' '--disable-autoipd' '--enable-compat-libdns_sd' '--disable-compat-howl' '--disable-doxygen-doc' '--enable-mono' '--enable-dbus' '--enable-python' '--enable-gtk' '--disable-qt3' '--enable-qt4' '--enable-gdbm' '--enable-python-dbus' '--enable-pygtk'
 *   ebuild.sh, line 591:   Called die
 * 
 * econf failed
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/log/portage/net-dns:avahi-0.6.21:20070827-124800.log'.
 *