Quote ]Using net-www/gnash-0.8.4_p20080923-2.2_rc12 I get:

!!! Invalid or corrupt dependency specification:

invalid atom: '!gstreamer'

('ebuild', '/', 'net-www/gnash-0.8.4_p20080923', 'merge'

>dev-libs/boost-1.34 dev-libs/libxml2 media-libs/jpeg media-libs/libpng net-misc/curl sys-libs/zlib x11-libs/libX11 x11-libs/libXi x11-libs/libXmu x11-libs/libXt x11-proto/xproto agg? ( x11-libs/agg ) cairo? ( x11-libs/cairo ) doc? ( >=app-text/docbook2X-0.8.8 app-text/docbook-sgml-utils ) opengl? ( virtual/opengl gtk? ( x11-libs/gtkglext ) ) ffmpeg? ( !gstreamer ( media-libs/libsdl <media-video/ffmpeg-0.4.9_p20080206 ) ) gstreamer? ( media-plugins/gst-plugins-ffmpeg media-plugins/gst-plugins-mad media-plugins/gst-plugins-meta gnome? ( media-plugins/gst-plugins-gnomevfs ) neon? ( >=media-plugins/gst-plugins-neon-0.10.7 ) ) gtk? ( dev-libs/atk dev-libs/glib >x11-libs/gtk+-2 x11-libs/pango ) kde? ( kde-base/kdelibs:3.5 ) sdl? ( media-libs/libsdl ) dev-util/pkgconfig =sys-devel/automake-1.10* >=sys-devel/autoconf-2.61 sys-devel/libtool

This package can not be installed. Please notify the
'net-www/gnash-0.8.4_p20080923' package maintainer about this problem.
[/quote:


Yes it's a bug. Should be !gstreamer?
It's been fixed. Thanks for reporting it.

Harley