When trying to compile audacity against =media-video/ffmpeg-0.11, it fails. See the attached logs.

Reproducible: Always

Steps to Reproduce:
1. Have =media-video/ffmpeg-0.11 installed.
2. # emerge -1v audacity

Actual Results:  
Compilation fails.

Expected Results:  
Compilation succeeds.

Portage 2.2.0_alpha108 (default/linux/amd64/10.0, gcc-4.6.3, glibc-2.15-r2, 3.3.0-64 x86_64)
=================================================================
System uname: Linux-3.3.0-64-x86_64-Intel-R-_Core-TM-_i7_CPU_X_980_@_3.33GHz-with-gentoo-2.1
Timestamp of tree: Sun, 27 May 2012 14:45:01 +0000
app-shells/bash:          4.2_p28
dev-java/java-config:     2.1.11-r3
dev-lang/python:          2.7.3-r2, 3.2.3-r1
dev-util/cmake:           2.8.8-r2
dev-util/pkgconfig:       0.26
sys-apps/baselayout:      2.1-r1
sys-apps/openrc:          0.10.1
sys-apps/sandbox:         2.5
sys-devel/autoconf:       2.13, 2.69
sys-devel/automake:       1.9.6-r3, 1.11.5
sys-devel/binutils:       2.22-r1
sys-devel/gcc:            4.6.3
sys-devel/gcc-config:     1.7.1
sys-devel/libtool:        2.4.2
sys-devel/make:           3.82-r3
sys-kernel/linux-headers: 3.4 (virtual/os-headers)
sys-libs/glibc:           2.15-r2
Repositories: gentoo local glc
Installed sets: 
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* -@EULA PUEL dlj-1.1 skype-eula cadsoft ut2003 AdobeFlash-10.3 QUAKE4 Oracle-BCLA-JavaSE"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -march=core2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/openvpn/easy-rsa /var/lib/hsqldb"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-O2 -pipe"
DISTDIR="/usr/portage/distfiles"
EMERGE_DEFAULT_OPTS="--quiet-build=n"
FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles news parallel-fetch parse-eapi-ebuild-head preserve-libs protect-owned sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch xattr"
FFLAGS=""
GENTOO_MIRRORS="http://ftp.spline.inf.fu-berlin.de/mirrors/gentoo/"
LANG="en_US.UTF-8"
LC_ALL="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
LINGUAS=""
MAKEOPTS="-j13"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage /var/lib/layman/glc"
SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"
USE="X a52 aac acl alsa amd64 bash-completion berkdb bluetooth bluray branding bzip2 cdr cjk cli consolekit cracklib crypt cups cursors cxx dbus dri dts dvd dvdr enca ffmpeg firefox flac fortran gdbm gif glut gpm gtk icons iconv id3 id3tag introspection ipv6 java jpeg jpeg2k kde libcaca libnotify libsamplerate lm_sensors lzo mad matroska mmx mmxext modules mp3 mp4 mpeg mudflap multilib mysql ncurses networkmanager nls nptl nsplugin nvidia ogg ogm opengl openmp pcre pdf png policykit pppd qt3support qt4 readline samba sdl session smp speex srt sse sse2 ssl ssse3 svg tcpd tetex theora tiff truetype unicode usb vdpau vorbis wmf x264 xattr xinerama xml xorg xulrunner xv xvid zlib" ALSA_CARDS="intel8x0" 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 cgi cgid 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" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="evdev synaptics" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" PHP_TARGETS="php5-3" PYTHON_TARGETS="python3_2 python2_7" QEMU_SOFTMMU_TARGETS="x86_64" QEMU_USER_TARGETS="x86_64" RUBY_TARGETS="ruby19" USERLAND="GNU" VIDEO_CARDS="nvidia" 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, INSTALL_MASK, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON