* This ebuild now uses a heavily stripped down version of your CFLAGS
 * 
 * For NVIDIA based cards, the XvMC renderer only works on
 * the NVIDIA 4, 5, 6 & 7 series cards.
>>> Unpacking source...
>>> Unpacking mythtv-0.21_p18314.tar.bz2 to /var/portage/portage/media-tv/mythtv-0.21_p18314-r1/work
/var/portage/portage/media-tv/mythtv-0.21_p18314-r1/temp/environment: line 3950: cd: /var/portage/portage/media-tv/mythtv-0.21_p18314-r1/work/branches/release-0-21-fixes/mythtv: No such file or directory
sed: can't read /var/portage/portage/media-tv/mythtv-0.21_p18314-r1/work/branches/release-0-21-fixes/mythtv/version.pro: No such file or directory
 * 
 * ERROR: media-tv/mythtv-0.21_p18314-r1 failed.
 * Call stack:
 *               ebuild.sh, line   49:  Called src_unpack
 *             environment, line 3951:  Called die
 * The specific snippet of code:
 *       sed -e "s:\`(svnversion \$\${SVNTREEDIR} 2>\/dev\/null) || echo Unknown\`:${MYTHTV_REV}:" -i "${S}"/version.pro || die "svnversion sed failed";
 *  The die message:
 *   svnversion sed failed
 * 
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/log/portage/media-tv:mythtv-0.21_p18314-r1:20090726-001826.log'.
 * The ebuild environment file is located at '/var/portage/portage/media-tv/mythtv-0.21_p18314-r1/temp/environment'.
 *