x86_64-pc-linux-gnu-gcc -std=gnu99 -O2 -pipe -O2 -pipe -Wl,-O1 -o rmt rmt.o ../gnu/libgnu.a ../gnu/libgnu.a(argp-parse.o): In function `realpath': argp-parse.c:(.text+0x550): multiple definition of `realpath' rmt.o:rmt.c:(.text+0x600): first defined here Portage 2.2.8-prefix (prefix/linux/amd64, gcc-4.7.2, unavailable, 2.6.18-108chaos x86_64) ================================================================= System uname: Linux-2.6.18-108chaos-x86_64-Quad-Core_AMD_Opteron-tm-_Processor_8354-with-redhat-5.5-Tikanga KiB Mem: 32830436 total, 5793404 free KiB Swap: 2048248 total, 2042084 free Timestamp of tree: Mon, 27 Jan 2014 23:06:07 +0000 ld GNU ld (GNU Binutils) 2.24 app-shells/bash: 4.2_p45-r1 dev-lang/python: 2.7.5-r4 dev-util/pkgconfig: 0.28 sys-devel/autoconf: 2.69 sys-devel/automake: 1.12.4, 1.14 sys-devel/binutils: 2.24-r1 sys-devel/gcc: 4.2.4-r01.4, 4.7.2-r1 sys-devel/gcc-config: 1.8-r00.1 sys-devel/libtool: 2.4.2 sys-devel/make: 4.0-r1 sys-kernel/linux-headers: 3.13 (virtual/os-headers) Repositories: gentoo_prefix location: /panfs/scratch3/vol10/junghans/gentoo-prefix/usr/portage sync-type: rsync sync-uri: rsync://prefix.gentooexperimental.org/gentoo-portage-prefix priority: -1000 aliases: gentoo cj-overlay location: /panfs/scratch3/vol10/junghans/gentoo-prefix/var/lib/overlays/christoph masters: gentoo_prefix priority: 0 ABI="amd64" ABI_X86="64" ACCEPT_KEYWORDS="~amd64-linux" ACCEPT_LICENSE="* -@EULA" ACCEPT_PROPERTIES="*" ACCEPT_RESTRICT="*" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd 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" ARCH="amd64" AUTOCLEAN="yes" BOOTSTRAP_USE="cxx unicode python_targets_python3_3 python_targets_python2_7 multilib multilib" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -O2 -pipe" CFLAGS_amd64="-m64" CFLAGS_x32="-mx32" CFLAGS_x86="-m32" CHOST="x86_64-pc-linux-gnu" CHOST_amd64="x86_64-pc-linux-gnu" CHOST_x32="x86_64-pc-linux-gnux32" CHOST_x86="i686-pc-linux-gnu" CLEAN_DELAY="5" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" COLLISION_IGNORE="/lib/modules/* *.py[co] *$py.class */dropin.cache" CONFIGURE_EPREFIX="/panfs/scratch3/vol10/junghans/gentoo-prefix" CONFIG_PROTECT="/etc" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/terminfo" CXXFLAGS="-O2 -pipe -O2 -pipe" DEFAULT_ABI="amd64" DEFAULT_PATH="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/sbin:/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/bin:/panfs/scratch3/vol10/junghans/gentoo-prefix/sbin:/panfs/scratch3/vol10/junghans/gentoo-prefix/bin" DISTDIR="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/portage/distfiles" EDITOR="vim" ELIBC="glibc" EMERGE_DEFAULT_OPTS="--verbose --with-bdeps=y --autounmask-write=y" EMERGE_WARNING_DELAY="10" EPREFIX="/panfs/scratch3/vol10/junghans/gentoo-prefix" EROOT="/panfs/scratch3/vol10/junghans/gentoo-prefix/" EXTRA_PATH="/usr/bin:/bin" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles force-prefix merge-sync news parallel-fetch preserve-libs protect-owned sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync" FETCHCOMMAND="bash -c "echo I need ${FILE} from ${URI} in ${DISTDIR}; read"" FETCHCOMMAND_RSYNC="rsync -avP "${URI}" "${DISTDIR}/${FILE}"" FETCHCOMMAND_SFTP="bash -c "x=\${2#sftp://} ; host=\${x%%/*} ; port=\${host##*:} ; host=\${host%:*} ; [[ \${host} = \${port} ]] && port=22 ; eval \"declare -a ssh_opts=(\${3})\" ; exec sftp -P \${port} \"\${ssh_opts[@]}\" \"\${host}:/\${x#*/}\" \"\$1\"" sftp "${DISTDIR}/${FILE}" "${URI}" "${PORTAGE_SSH_OPTS}"" FETCHCOMMAND_SSH="bash -c "x=\${2#ssh://} ; host=\${x%%/*} ; port=\${host##*:} ; host=\${host%:*} ; [[ \${host} = \${port} ]] && port=22 ; exec rsync --rsh=\"ssh -p\${port} \${3}\" -avP \"\${host}:/\${x#*/}\" \"\$1\"" rsync "${DISTDIR}/${FILE}" "${URI}" "${PORTAGE_SSH_OPTS}"" FFLAGS="-O2 -pipe" GCC_SPECS="" GENTOO_MIRRORS="http://distfiles.gentoo.org" 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 ublox ubx" GRUB_PLATFORMS="" HOME="/users/junghans" INFOPATH="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/share/info:/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/share/gcc-data/x86_64-pc-linux-gnu/4.7.2/info:/panfs/scratch3/vol10/junghans/gentoo-prefix//usr/share/binutils-data/x86_64-pc-linux-gnu/2.24/info" INPUT_DEVICES="keyboard mouse evdev" IUSE_IMPLICIT="prefix" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LC_MESSAGES="C" LDFLAGS="-Wl,-O1 -Wl,--as-needed" LDFLAGS_amd64="-m elf_x86_64" LDFLAGS_x32="-m elf32_x86_64" LDFLAGS_x86="-m elf_i386" LESS="-R -M --shift 5" LESSOPEN="|lesspipe %s" LIBDIR_amd64="lib" LIBDIR_amd64_fbsd="lib64" LIBDIR_arm="lib" LIBDIR_arm64="lib64" LIBDIR_n32="lib32" LIBDIR_n64="lib64" LIBDIR_o32="lib" LIBDIR_ppc="lib32" LIBDIR_ppc64="lib64" LIBDIR_s390="lib32" LIBDIR_s390x="lib64" LIBDIR_sparc32="lib32" LIBDIR_sparc64="lib64" LIBDIR_x32="libx32" LIBDIR_x86="lib32" LIBDIR_x86_fbsd="lib32" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" MACOSSANDBOX_PATHS="/dev/fd/ /private/tmp/ /private/var/tmp/ @@PORTAGE_BUILDDIR@@/ @@PORTAGE_ACTUAL_DISTDIR@@/" MACOSSANDBOX_PATHS_CONTENT_ONLY="/dev/null /dev/dtracehelper /dev/tty /private/var/run/syslog" MAKEOPTS="-j9 -l8" MANPAGER="vimmanless" MANPATH="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/local/share/man:/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/share/man:/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/share/gcc-data/x86_64-pc-linux-gnu/4.7.2/man:/panfs/scratch3/vol10/junghans/gentoo-prefix//usr/share/binutils-data/x86_64-pc-linux-gnu/2.24/man:/usr/share/man" MULTILIB_ABIS="amd64" MULTILIB_STRICT_DENY="64-bit.*shared object" MULTILIB_STRICT_DIRS="/lib32 /lib /usr/lib32 /usr/lib /usr/kde/*/lib32 /usr/kde/*/lib /usr/qt/*/lib32 /usr/qt/*/lib /usr/X11R6/lib32 /usr/X11R6/lib" MULTILIB_STRICT_EXEMPT="(perl5|gcc|gcc-lib|binutils|eclipse-3|debug|portage|udev|systemd|clang|python-exec)" NETBEANS="apisupport cnd groovy gsf harness ide identity j2ee java mobility nb php profiler soa visualweb webcommon websvccommon xml" NOCOLOR="true" OFFICE_IMPLEMENTATION="libreoffice" OLDPWD="/panfs/scratch3/vol10/junghans/gentoo-prefix/var/tmp/portage/app-arch/tar-1.27.1-r1/work/tar-1.27.1/rmt" PACKAGE_ROOT="/usr/projects/infmodels/lobo_packages_gcc_4.7.0" PAGER="vimless" PATH="/users/junghans/bin:/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/local/bin:/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/bin:/panfs/scratch3/vol10/junghans/gentoo-prefix/bin:/panfs/scratch3/vol10/junghans/gentoo-prefix/opt/bin:/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/sbin:/panfs/scratch3/vol10/junghans/gentoo-prefix/sbin:/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/x86_64-pc-linux-gnu/gcc-bin/4.7.2:/usr/bin:/bin" PERLDOC_PAGER="vimmanless" PHP_TARGETS="php5-5" PKGDIR="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/portage/packages" PKG_CONFIG_PATH="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/lib/pkgconfig:/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/share/pkgconfig" PORTAGE_ARCHLIST="ppc sparc64-freebsd ppc-openbsd x86-openbsd ppc64 x86-winnt x86-fbsd ppc-aix alpha arm x86-freebsd s390 amd64 arm-linux x86-macos x64-openbsd ia64-hpux hppa x86-netbsd ppc64-linux x86-cygwin amd64-linux ia64-linux x86 sparc-solaris x64-freebsd sparc64-solaris x86-linux x64-macos sparc m68k-mint ia64 mips ppc-macos x86-interix hppa-hpux amd64-fbsd x64-solaris m68k sh arm64 x86-solaris sparc-fbsd" PORTAGE_BIN_PATH="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/lib/portage/bin" PORTAGE_COMPRESS_EXCLUDE_SUFFIXES="css gif htm[l]? jp[e]?g js pdf png" PORTAGE_CONFIGROOT="/panfs/scratch3/vol10/junghans/gentoo-prefix/" PORTAGE_DEBUG="0" PORTAGE_DEPCACHEDIR="/panfs/scratch3/vol10/junghans/gentoo-prefix/var/cache/edb/dep" PORTAGE_ELOG_CLASS="warn error info log" PORTAGE_ELOG_CLASSES="log warn error" PORTAGE_ELOG_MAILFROM="junghans@localhost" PORTAGE_ELOG_MAILSUBJECT="[portage] ebuild log for ${PACKAGE} on ${HOST}" PORTAGE_ELOG_MAILURI="junghans" PORTAGE_ELOG_SYSTEM="save" PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS="5" PORTAGE_FETCH_RESUME_MIN_SIZE="350K" PORTAGE_GID="21366" PORTAGE_GPG_SIGNING_COMMAND="gpg --sign --digest-algo SHA256 --clearsign --yes --default-key "${PORTAGE_GPG_KEY}" --homedir "${PORTAGE_GPG_DIR}" "${FILE}"" PORTAGE_GROUP="junghans" PORTAGE_INST_GID="21366" PORTAGE_INST_UID="21366" PORTAGE_INTERNAL_CALLER="1" PORTAGE_NICENESS="19" PORTAGE_OVERRIDE_EPREFIX="/panfs/scratch3/vol10/junghans/gentoo-prefix" PORTAGE_PYM_PATH="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/lib/portage/pym" PORTAGE_PYTHONPATH="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/lib/portage/pym" PORTAGE_REPOSITORIES="[DEFAULT] main-repo = gentoo_prefix [cj-overlay] location = /panfs/scratch3/vol10/junghans/gentoo-prefix/var/lib/overlays/christoph masters = gentoo_prefix priority = 0 [gentoo] aliases = gentoo location = /panfs/scratch3/vol10/junghans/gentoo-prefix/usr/portage masters = priority = -1000 sync-type = rsync sync-uri = rsync://prefix.gentooexperimental.org/gentoo-portage-prefix [gentoo_prefix] aliases = gentoo location = /panfs/scratch3/vol10/junghans/gentoo-prefix/usr/portage masters = priority = -1000 sync-type = rsync sync-uri = rsync://prefix.gentooexperimental.org/gentoo-portage-prefix " PORTAGE_ROOT_USER="junghans" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_RSYNC_RETRIES="-1" PORTAGE_SYNC_STALE="30" PORTAGE_TMPDIR="/panfs/scratch3/vol10/junghans/gentoo-prefix/var/tmp" PORTAGE_USER="junghans" PORTAGE_VERBOSE="1" PORTAGE_WORKDIR_MODE="0700" PORTAGE_XATTR_EXCLUDE="security.* system.nfs4_acl" PORTDIR="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/portage" PORTDIR_OVERLAY="/panfs/scratch3/vol10/junghans/gentoo-prefix/var/lib/overlays/christoph" PORT_LOGDIR_CLEAN="find "${PORT_LOGDIR}" -type f ! -name "summary.log*" -mtime +7 -delete" PREFIX_DISABLE_GEN_USR_LDSCRIPT="yes" PROFILE_ONLY_VARIABLES="ARCH ELIBC IUSE_IMPLICIT KERNEL USERLAND USE_EXPAND_IMPLICIT USE_EXPAND_UNPREFIXED USE_EXPAND_VALUES_ARCH USE_EXPAND_VALUES_ELIBC USE_EXPAND_VALUES_KERNEL USE_EXPAND_VALUES_USERLAND" PWD="/users/junghans" PYTHONDONTWRITEBYTECODE="1" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7" RESUMECOMMAND="wget -c -t 3 -T 60 --passive-ftp -O "${DISTDIR}/${FILE}" "${URI}"" RESUMECOMMAND_RSYNC="rsync -avP "${URI}" "${DISTDIR}/${FILE}"" RESUMECOMMAND_SSH="bash -c "x=\${2#ssh://} ; host=\${x%%/*} ; port=\${host##*:} ; host=\${host%:*} ; [[ \${host} = \${port} ]] && port=22 ; exec rsync --rsh=\"ssh -p\${port} \${3}\" -avP \"\${host}:/\${x#*/}\" \"\$1\"" rsync "${DISTDIR}/${FILE}" "${URI}" "${PORTAGE_SSH_OPTS}"" ROOT="/" ROOTPATH="/panfs/scratch3/vol10/junghans/gentoo-prefix/opt/bin:/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/x86_64-pc-linux-gnu/gcc-bin/4.7.2" RPMDIR="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/portage/rpm" RUBY_TARGETS="ruby19 ruby18" SHELL="/panfs/scratch3/vol10/junghans/gentoo-prefix/bin/bash" SHLVL="1" SYMLINK_LIB="" TERM="xterm" UNINSTALL_IGNORE="/lib/modules/*" USE="amd64 berkdb bzip2 cli cracklib crypt cxx dri fortran gdbm iconv ipv6 mmx modules ncurses nls nptl openmp pcre prefix readline session sse sse2 ssl tcpd unicode zlib" ABI_X86="64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd 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 author" 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 ublox ubx" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7" RUBY_TARGETS="ruby19 ruby18" USERLAND="GNU" VIDEO_CARDS="fbdev glint intel mach64 mga nouveau nv r128 radeon savage sis tdfx trident vesa via vmware dummy v4l" 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" USER="junghans" USERLAND="GNU" USE_EXPAND="ABI_MIPS ABI_X86 ALSA_CARDS APACHE2_MODULES APACHE2_MPMS CALLIGRA_FEATURES CAMERAS COLLECTD_PLUGINS CROSSCOMPILE_OPTS CURL_SSL DRACUT_MODULES DVB_CARDS ELIBC ENLIGHTENMENT_MODULES FCDSL_CARDS FFTOOLS FOO2ZJS_DEVICES FRITZCAPI_CARDS GPSD_PROTOCOLS GRUB_PLATFORMS INPUT_DEVICES KERNEL LCD_DEVICES LIBREOFFICE_EXTENSIONS LINGUAS LIRC_DEVICES MONKEYD_PLUGINS NETBEANS_MODULES NGINX_MODULES_HTTP NGINX_MODULES_MAIL OFED_DRIVERS OFFICE_IMPLEMENTATION OPENMPI_FABRICS OPENMPI_OFED_FEATURES OPENMPI_RM PHP_TARGETS PYTHON_SINGLE_TARGET PYTHON_TARGETS QEMU_SOFTMMU_TARGETS QEMU_USER_TARGETS RUBY_TARGETS SANE_BACKENDS USERLAND UWSGI_PLUGINS VIDEO_CARDS VOICEMAIL_STORAGE XFCE_PLUGINS XTABLES_ADDONS" USE_EXPAND_HIDDEN="ABI_MIPS ABI_X86 CROSSCOMPILE_OPTS ELIBC KERNEL USERLAND" USE_EXPAND_IMPLICIT="ARCH ELIBC KERNEL USERLAND" USE_EXPAND_UNPREFIXED="ARCH" USE_EXPAND_VALUES_ARCH="alpha amd64 amd64-fbsd amd64-linux arm arm-linux arm64 hppa hppa-hpux ia64 ia64-hpux ia64-linux m68k m68k-mint mips ppc ppc64 ppc64-linux ppc-aix ppc-macos ppc-openbsd s390 sh sparc sparc64-freebsd sparc64-solaris sparc-fbsd sparc-solaris x64-freebsd x64-macos x64-openbsd x64-solaris x86 x86-cygwin x86-fbsd x86-freebsd x86-interix x86-linux x86-macos x86-netbsd x86-openbsd x86-solaris x86-winnt" USE_EXPAND_VALUES_ELIBC="AIX Cygwin Darwin FreeBSD glibc HPUX Interix mintlib musl NetBSD OpenBSD SunOS uclibc Winnt" USE_EXPAND_VALUES_KERNEL="AIX Cygwin Darwin FreeBSD freemint HPUX Interix linux NetBSD OpenBSD SunOS Winnt" USE_EXPAND_VALUES_USERLAND="BSD GNU" USE_ORDER="env:pkg:conf:defaults:pkginternal:repo:env.d" VIDEO_CARDS="fbdev glint intel mach64 mga nouveau nv r128 radeon savage sis tdfx trident vesa via vmware dummy v4l" XDG_DATA_DIRS="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/share" 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" _="/panfs/scratch3/vol10/junghans/gentoo-prefix/usr/bin/emerge"
Created attachment 369004 [details] build.log build.log
Created attachment 369006 [details, diff] diff build.log gcc-4.2 vs gcc-4.7 Interestingly it builds with gcc-4.2.4-r01.4.
Crap, sys-apps/grep-2.17 fails with the same error. We really need to merge RAP support, soon.
*** Bug 504950 has been marked as a duplicate of this bug. ***
I bumped into this issue when installing Gentoo prefix onto a RHEL 5 machine. Here's how I worked around it: The problem is missing RAP: https://wiki.gentoo.org/wiki/Prefix/libc support. You can fix it by using older versions of the packages affected. 1. Install eix: $ emerge -av eix 2. Find what older versions of tar are available: $ eix tar 3. Attempt to install an older version: $ emerge -av =tar-1.26-r1 4. Repeat 3 with progressively older versions until the package compiles. 5. Ensure this known-good version is not upgraded: $ echo ">app-arch/tar-1.26-r1" >> ~/gentoo/etc/portage/package.mask 6. Continue the bootstrap process or just emerge the whole system: $ emerge -ae system I had to downgrade the following packages: tar to 1.26-r1, coreutils to 8.17, m4 to 1.4.16 and grep to 2.14.
app-arch/tar-1.27.1-r1 not in the tree anymore.