[gentoo-user] emerge portage error

[Simon <owtneg@gmail.com>]

Hi,

Please help me to get rid of this error while emerging portage:
# emerge portage

Calculating dependencies... done!
 >>> Verifying ebuild Manifests...
 >>> starting parallel fetching pid 6030

 >>> Emerging (1 of 2) dev-lang/python-2.5.4-r4 to /
  * Python-2.5.4.tar.bz2 RMD160 SHA1 SHA256 size ;-) 
...                                                                                             
[ ok ]
  * python-gentoo-patches-2.5.4-r3.tar.bz2 RMD160 SHA1 SHA256 size ;-) 
...                                                                           
[ ok ]
  * checking ebuild checksums ;-) 
...                                                                                                                
[ ok ]
  * checking auxfile checksums ;-) 
...                                                                                                               
[ ok ]
  * checking miscfile checksums ;-) 
...                                                                                                              
[ ok ]
  * checking Python-2.5.4.tar.bz2 ;-) 
...                                                                                                            
[ ok ]
  * checking python-gentoo-patches-2.5.4-r3.tar.bz2 ;-) 
...                                                                                          
[ ok ]
  * "bsddb" module is out-of-date and no longer maintained inside 
dev-lang/python. It has
  * been additionally removed in Python 3. You should use external, 
still maintained "bsddb3"
  * module provided by dev-python/bsddb3 which supports both Python 2 
and Python 3.
  *
  * ERROR: dev-lang/python-2.5.4-r4 failed.
  * Call stack:
  *                ebuild.sh, line   49:  Called pkg_setup
  *   python-2.5.4-r4.ebuild, line   64:  Called built_with_use 
'pkg_setup' 'pkg_setup'
  *            eutils.eclass, line 1862:  Called die
  * The specific snippet of code:
  *                                      die)   die "$PKG does not 
actually support the $1 USE flag!";;
  *  The die message:
  *   sys-devel/gcc-4.1.2 does not actually support the libffi USE flag!
  *
  * If you need support, post the topmost build error, and the call 
stack if relevant.
  * A complete build log is located at 
'/var/tmp/portage/dev-lang/python-2.5.4-r4/temp/build.log'.
  * The ebuild environment file is located at 
'/var/tmp/portage/dev-lang/python-2.5.4-r4/temp/die.env'.
  *

  * Messages for package dev-lang/python-2.5.4-r4:

  *
  * ERROR: dev-lang/python-2.5.4-r4 failed.
  * Call stack:
  *                ebuild.sh, line   49:  Called pkg_setup
  *   python-2.5.4-r4.ebuild, line   64:  Called built_with_use 
'pkg_setup' 'pkg_setup'
  *            eutils.eclass, line 1862:  Called die
  * The specific snippet of code:
  *                                      die)   die "$PKG does not 
actually support the $1 USE flag!";;
  *  The die message:
  *   sys-devel/gcc-4.1.2 does not actually support the libffi USE flag!
  *
  * If you need support, post the topmost build error, and the call 
stack if relevant.
  * A complete build log is located at 
'/var/tmp/portage/dev-lang/python-2.5.4-r4/temp/build.log'.
  * The ebuild environment file is located at 
'/var/tmp/portage/dev-lang/python-2.5.4-r4/temp/die.env'.
  *
  * "bsddb" module is out-of-date and no longer maintained inside 
dev-lang/python. It has
  * been additionally removed in Python 3. You should use external, 
still maintained "bsddb3"
  * module provided by dev-python/bsddb3 which supports both Python 2 
and Python 3.