ecopy gives a dev-python/rpy prefix ebuild out of box on my system: Portage 2.2.01.15352-prefix (prefix/linux/x86, gcc-4.4.3, unavailable, 2.6.27.38-170.2.113.fc10.i686.PAE i686) ================================================================= System uname: Linux-2.6.27.38-170.2.113.fc10.i686.PAE-i686-Intel-R-_Xeon-R-_CPU_X5470_@_3.33GHz-with-fedora-10-Cambridge Timestamp of tree: Wed, 07 Jul 2010 00:40:08 +0000 distcc 2.18.3 i386-redhat-linux-gnu (protocols 1 and 2) (default port 3632) [disabled] ccache version 2.4 [disabled] app-shells/bash: 4.0_p38 dev-lang/python: 2.6.5-r2 dev-util/cmake: 2.8.1-r2 sys-apps/sandbox: 2.2 sys-devel/autoconf: 2.13, 2.65 sys-devel/automake: 1.4_p6-r1, 1.5-r1, 1.6.3-r1, 1.7.9-r2, 1.8.5-r4, 1.9.6-r3, 1.10.2-r00.1, 1.11.1 sys-devel/binutils: 2.20.51.0.8 sys-devel/gcc: 4.2.4-r01.2, 4.4.3-r2 sys-devel/gcc-config: 1.4.1-r00.2 sys-devel/libtool: 2.2.6b virtual/os-headers: 2.6.34 ACCEPT_KEYWORDS="~x86-linux" ACCEPT_LICENSE="* -@EULA" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -pipe -march=nocona" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo" CXXFLAGS="-O2 -pipe -march=nocona" DISTDIR="/work/benda/gentoo/usr/portage/distfiles" FEATURES="assume-digests collision-protect distlocks fixpackages news parallel-fetch preserve-libs protect-owned sfperms strict unmerge-logs unmerge-orphans userfetch" GENTOO_MIRRORS="http://distfiles.gentoo.org" LANG="en_US.UTF-8" LC_ALL="en_US.UTF-8" LDFLAGS="-Wl,-O1" MAKEOPTS="-j8" PKGDIR="/work/benda/gentoo/usr/portage/packages" PORTAGE_CONFIGROOT="/work/benda/gentoo/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/work/benda/gentoo/var/tmp" PORTDIR="/work/benda/gentoo/usr/portage" PORTDIR_OVERLAY="/work/benda/gentoo/usr/local/portage/tauon" SYNC="rsync://rsync.prefix.freens.org/gentoo-portage-prefix" USE="X berkdb bzip2 cli cracklib crypt cxx dri fortran gdbm iconv ipv6 modules mudflap ncurses nls nptl nptlonly openmp pcre perl pppd prefix python readline reflection session spl ssl sysfs tcpd threads unicode x86 xorg zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1 emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" ELIBC="glibc" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="fbdev glint intel mach64 mga neomagic nv r128 radeon savage sis tdfx trident vesa via vmware voodoo" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, FFLAGS, INSTALL_MASK, LINGUAS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS Reproducible: Always Steps to Reproduce:
thanks for the testing and report.