>>> Unpacking source...
>>> Unpacking eix-0.10.5.tar.bz2 to /var/tmp/portage/app-portage/eix-0.10.5/work
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/app-portage/eix-0.10.5/work/eix-0.10.5 ...
 * econf: updating eix-0.10.5/config/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating eix-0.10.5/config/config.sub with /usr/share/gnuconfig/config.sub
./configure --prefix=/usr --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --with-bzip2 --without-sqlite --libdir=/usr/lib64 --build=x86_64-pc-linux-gnu
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether ln -s works... yes
checking for x86_64-pc-linux-gnu-g++... x86_64-pc-linux-gnu-g++
checking for C++ compiler default output file name... 
configure: error: C++ compiler cannot create executables
See `config.log' for more details.

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/app-portage/eix-0.10.5/work/eix-0.10.5/config.log
  [31;01m* [0m 
  [31;01m* [0m ERROR: app-portage/eix-0.10.5 failed.
  [31;01m* [0m Call stack:
  [31;01m* [0m               ebuild.sh, line   49:  Called src_compile
  [31;01m* [0m             environment, line  144:  Called econf 'src_compile' 'src_compile'
  [31;01m* [0m               ebuild.sh, line  513:  Called die
  [31;01m* [0m The specific snippet of code:
  [31;01m* [0m   			die "econf failed"
  [31;01m* [0m  The die message:
  [31;01m* [0m   econf failed
  [31;01m* [0m 
  [31;01m* [0m If you need support, post the topmost build error, and the call stack if relevant.
  [31;01m* [0m A complete build log is located at '/var/tmp/portage/app-portage/eix-0.10.5/temp/build.log'.
  [31;01m* [0m The ebuild environment file is located at '/var/tmp/portage/app-portage/eix-0.10.5/temp/environment'.
  [31;01m* [0m