Calculating dependencies   ... done!

>>> Emerging (1 of 1) sci-libs/hdf5-1.6.5-r1 to /
 * hdf5-1.6.5.tar.gz MD5 ;-) ...                                          [ ok ]
 * hdf5-1.6.5.tar.gz RMD160 ;-) ...                                       [ ok ]
 * hdf5-1.6.5.tar.gz SHA1 ;-) ...                                         [ ok ]
 * hdf5-1.6.5.tar.gz SHA256 ;-) ...                                       [ ok ]
 * hdf5-1.6.5.tar.gz size ;-) ...                                         [ ok ]
 * checking ebuild checksums ;-) ...                                      [ ok ]
 * checking auxfile checksums ;-) ...                                     [ ok ]
 * checking miscfile checksums ;-) ...                                    [ ok ]
 * checking hdf5-1.6.5.tar.gz ;-) ...                                     [ ok ]
 * You need one of these Fortran Compilers: gfortran
 * Installed are:  gfortran
 * Using gfortran
 * Configuring for GNU fortran...
>>> Unpacking source...
>>> Unpacking hdf5-1.6.5.tar.gz to /var/tmp/portage/sci-libs/hdf5-1.6.5-r1/work
 * Applying patches for selected FORTRAN compiler: gfortran
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/sci-libs/hdf5-1.6.5-r1/work/hdf5-1.6.5 ...
 * C++ support cannot be enabled without both enabling static
 * library support and disabling mpi.  Fortran9X support needs
 * both static and mpi enabled to work with GNU fortran.

 * Suggested USE flags for fortran and mpi using gfortran:
 * USE="fortran mpi static -cxx"


!!! ERROR: sci-libs/hdf5-1.6.5-r1 failed.
Call stack:
  ebuild.sh, line 1568:   Called dyn_compile
  ebuild.sh, line 937:   Called src_compile
  hdf5-1.6.5-r1.ebuild, line 96:   Called die

!!! Please adjust your use flags.
!!! If you need support, post the topmost build error, and the call stack if relevant.