iso-codes installs all locales even if the nls use flag is set and LINGUAS="de en". Portage 2.0.54 (default-linux/x86/2005.1, gcc-3.4.4, glibc-2.3.5-r1, 2.6.14-gentoo-r2 i686) ================================================================= System uname: 2.6.14-gentoo-r2 i686 AMD Athlon(tm) Processor Gentoo Base System version 1.6.14 distcc 2.18.3 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632) [enabled] ccache version 2.3 [enabled] dev-lang/python: 2.4.2 sys-apps/sandbox: 1.2.12 sys-devel/autoconf: 2.13, 2.59-r6 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 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O3 -march=athlon -funroll-loops -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config /usr/lib/X11/xkb /usr/lib/mozilla/defaults/pref /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/splash /etc/terminfo /etc/env.d" CXXFLAGS="-O3 -march=athlon -funroll-loops -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig ccache confcache distcc distlocks sandbox sfperms strict" GENTOO_MIRRORS="ftp://ftp.tu-clausthal.de/pub/linux/gentoo/" LANG="de_DE.UTF-8" LC_ALL="de_DE.UTF-8" LINGUAS="de en" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.lan/gentoo-portage" USE="x86 3dnow X aac acl alsa apm audiofile avi bash-completion berkdb bitmap-fonts bonobo bzip2 bzlib cairo cdr crypt cups curl curlwrappers dbus dts eds emboss encode esd exif expat fam ffmpeg foomaticdb fortran ftp gdbm gif glut gnome gpm gstreamer gtk gtk2 gtkhtml guile hal howl idn imagemagick imlib ipv6 java jpeg lcms ldap libg++ libwww mad mikmod mmx mng motif mozilla mozsvg mp3 mpeg ncurses nls ogg oggvorbis openal opengl oss pam pcre pdflib perl png python qt quicktime readline recode sdl slang slp spell ssl svg svga tcltk tcpd tiff truetype truetype-fonts type1-fonts udev unicode usb userlocales vorbis xine xml2 xmms xprint xv zlib linguas_de linguas_en userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LDFLAGS
This is an upstream issue. Please note that the LINGUAS variable is not expected to be supported by every package in the tree, and the ones that do not support it yet require upstream work. See bug #137002 for more information. For now, you can use workarounds such as localepurge.