ruby on prefix

gistfile1.txt

% ls ~/gentoo/usr/lib/libpython2.7.so.1.0
/home/sfr/gentoo/usr/lib/libpython2.7.so.1.0



>>> Installing (1 of 1) dev-lang/ruby-1.9.3_p194-r1
/home/sfr/gentoo/usr/bin/python2.7: error while loading shared libraries: libpython2.7.so.1.0: cannot open shared object file: No such file or directory
 * ERROR: dev-lang/ruby-1.9.3_p194-r1 failed (prerm phase):
 *   filter-bash-environment.py failed
 * 
 * Call stack:
 *            ebuild.sh, line 530:  Called preprocess_ebuild_env
 *   phase-functions.sh, line 165:  Called filter_readonly_variables '--filter-features' '--filter-locale' '--filter-path' '--filter-sandbox'
 *   phase-functions.sh, line 146:  Called die
 * The specific snippet of code:
 *      "${PORTAGE_PYTHON:-/home/sfr/gentoo/usr/bin/python}" "${PORTAGE_BIN_PATH}"/filter-bash-environment.py "${filtered_vars}" || die "filter-bash-environment.py failed"
 *

Use-Perl