gaillard-gentoo ~ # emerge --info
Portage 2.1.2.2 (default-linux/amd64/2006.1/desktop, gcc-4.1.1, glibc-2.5-r0, 2.6.19-gentoo-r5 x86_64)
=================================================================
System uname: 2.6.19-gentoo-r5 x86_64 AMD Athlon(tm) 64 Processor 3400+
Gentoo Base System release 1.12.9
Timestamp of tree: Tue, 27 Mar 2007 04:20:02 +0000
ccache version 2.4 [disabled]
dev-java/java-config: 1.3.7, 2.0.31
dev-lang/python:     2.4.3-r4
dev-python/pycrypto: 2.0.1-r5
dev-util/ccache:     2.4-r6
sys-apps/sandbox:    1.2.17
sys-devel/autoconf:  2.13, 2.61
sys-devel/automake:  1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10
sys-devel/binutils:  2.16.1-r3
sys-devel/gcc-config: 1.3.14
sys-devel/libtool:   1.5.22
virtual/os-headers:  2.6.17-r2
ACCEPT_KEYWORDS="amd64"
AUTOCLEAN="yes"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=athlon64 -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/X11/xkb"
CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /etc/java-config/vms/ /etc/revdep-rebuild /etc/terminfo"
CXXFLAGS="-march=athlon64 -O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig distlocks metadata-transfer sandbox sfperms strict"
GENTOO_MIRRORS="http://gentoo.osuosl.org/ http://gentoo.chem.wisc.edu/gentoo/ http://cudlug.cudenver.edu/gentoo/"
LC_ALL="en_US.UTF-8"
MAKEOPTS="-j2"
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 --filter=H_**/files/digest-*"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage"
SYNC="rsync://rsync.namerica.gentoo.org/gentoo-portage"
USE="X amd64 bash-completion berkdb bitmap-fonts cairo cdr cli cracklib crypt dbus dvd dvdr eds encode fam firefox fortran gdbm gif gnome gpm gstreamer gtk gtk2 hal iconv ipv6 jpeg ldap libg++ mad mikmod mp3 mpeg ncurses nls nptl nptlonly nvidia ogg opengl oss pam pcre perl png ppds pppd python quicktime readline reflection sdl session spell spl ssl tcpd truetype truetype-fonts type1-fonts unicode vorbis xml xorg xv zlib" ELIBC="glibc" INPUT_DEVICES="keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" USERLAND="GNU" VIDEO_CARDS="nvidia"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LDFLAGS, LINGUAS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS

gaillard-gentoo ~ # emerge -pv mplayer

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild  N    ] media-video/mplayer-1.0_rc1-r2  USE="X dvd encode gif gtk iconv ipv6 jpeg mad mmx opengl oss png sdl sse sse2 truetype unicode vorbis xv (-3dfx) -3dnow -3dnowext -aac -aalib -alsa (-altivec) -amr -arts -bidi -bindist -bl -cdparanoia -cpudetection -custom-cflags -debug -dga -directfb -doc -dts -dv -dvb -dvdread -enca -esd -fbcon -ggi -jack -joystick -libcaca -lirc -live -livecd -lzo -matrox -mmxext -musepack -nas -openal -real -rtc -samba -speex (-svga) -tga -theora -v4l -v4l2 (-win32codecs) -x264 -xanim -xinerama -xvid -xvmc" LINGUAS="-bg -cs -da -de -el -en -es -fr -hu -ja -ko -mk -nl -no -pl -pt_BR -ro -ru -sk -tr -uk -zh_CN -zh_TW" 0 kB [1] 

Total: 1 package (1 new), Size of downloads: 0 kB
Portage overlays:
 [1] /usr/local/portage
gaillard-gentoo ~ #