-- /usr/portage/net-print/cups-filters/cups-filters-1.0.53.ebuild
++ /usr/local/portage/net-print/cups-filters/cups-filters-1.0.53.ebuild
src_prepare() {
base_src_prepare
epatch "$FILESDIR/${P}-uclibc.patch"
sed -e "s/AM_CONFIG_HEADER/AC_CONFIG_HEADERS/" -i configure.ac || die
eautoreconf
}