It looks like the ebuild for sed-4.1.5 needs sed itself in the src_unpack
function. This obviously fails if sed is not there.
Portage 2.1.1 (default-linux/x86/2006.1/desktop, gcc-3.3.4, glibc-2.3.6-r3,
2.6.16-gentoo-r9 i686)
=================================================================
System uname: 2.6.16-gentoo-r9 i686 AMD Athlon(TM) XP 2800+
Gentoo Base System version 1.6.14
Last Sync: Tue, 24 Oct 2006 01:30:01 +0000
ccache version 2.3 [disabled]
app-admin/eselect-compiler: [Not Present]
dev-java/java-config: 1.2.11
dev-lang/python: 2.3.4, 2.4.2
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache: 2.3
dev-util/confcache: [Not Present]
sys-apps/sandbox: 1.2.10
sys-devel/autoconf: 2.13, 2.59-r7
sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1
sys-devel/binutils: 2.16.1-r3
sys-devel/gcc-config: 1.3.13-r2
sys-devel/libtool: 1.4.3-r4, 1.5.22
virtual/os-headers: 2.6.11-r2
ACCEPT_KEYWORDS="x86"
AUTOCLEAN="yes"
CBUILD="i686-pc-linux-gnu"
CFLAGS="-O2 -march=athlon-xp -fomit-frame-pointer -pipe"
CHOST="i686-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config
/usr/kde/3.5/shutdown /usr/share/X11/xkb /usr/share/config
/usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/
/usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/
/usr/share/texmf/xdvi/ /var/bind"
CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf /etc/revdep-rebuild /etc/terminfo"
CXXFLAGS="-O2 -march=athlon-xp -fomit-frame-pointer -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig distlocks metadata-transfer sandbox sfperms strict"
GENTOO_MIRRORS="ftp://pandemonium.tiscali.de/pub/gentoo/
http://mirror.uni-c.dk/pub/gentoo/
ftp://ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/
http://ftp.belnet.be/mirror/rsync.gentoo.org/gentoo/
http://ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/"
LINGUAS=""
MAKEOPTS=""
PKGDIR="/usr/portage/packages"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress
--force --whole-file --delete --delete-after --stats --timeout=180
--exclude='/distfiles' --exclude='/local' --exclude='/packages'"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="x86 X alsa apache2 arts berkdb bidi bindist bitmap-fonts cairo cdda cdr
cli cracklib crypt cups dbus divx4linux dlloader doc dri dvd dvdr dvdread edl
eds elibc_glibc emboss encode esd fam fame ffmpeg firefox flac fortran gdbm gif
glitz gnome gpm gstreamer gtk hal input_devices_keyboard input_devices_mouse
ipv6 isdnlog java jpeg kde kdeenablefinal kernel_linux ldap libg++ live lzo mad
mailbox matroska mikmod mmx mmx2 mp3 mpeg mysql ncurses nls noweb nptl nptlonly
nvidia offensive ofx ogg opengl oss pam pang pangoo pcre perl png ppds pppd
python qt3 qt4 quotes readline reflection samba sdl session spamassassin spell
spl sse sse2 ssl tcpd theora threads truetype truetype-fonts type1-fonts udev
unicode userland_GNU vhosts video_cards_fbdev video_cards_nvidia
video_cards_vesa video_cards_vga video_cards_vmware vorbis win32codecs
wxwindows xinetd xml xorg xv xvmc zlib"
Unset: CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, LDFLAGS,
PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY