* Package:    sys-cluster/mvapich2-1.6
 * Repository: gentoo
 * Maintainer: cluster@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc fortran kernel_linux multilib threads userland_GNU
 * FEATURES:   ccache preserve-libs sandbox
 * Using following Fortran compiler:
 *   F77: x86_64-pc-linux-gnu-gfortran
 *   FC:  x86_64-pc-linux-gnu-gfortran
>>> Unpacking source...
>>> Unpacking mvapich2-1.6.tgz to /var/tmp/portage/sys-cluster/mvapich2-1.6/work
>>> Source unpacked in /var/tmp/portage/sys-cluster/mvapich2-1.6/work
>>> Preparing source in /var/tmp/portage/sys-cluster/mvapich2-1.6/work/mvapich2-1.6 ...
 * Disabling examples
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sys-cluster/mvapich2-1.6/work/mvapich2-1.6 ...
/var/tmp/portage/sys-cluster/mvapich2-1.6/temp/environment: line 2235: append-ldflags: command not found
/var/tmp/portage/sys-cluster/mvapich2-1.6/temp/environment: line 2236: append-flags: command not found
/var/tmp/portage/sys-cluster/mvapich2-1.6/temp/environment: line 2237: append-ldflags: command not found
/var/tmp/portage/sys-cluster/mvapich2-1.6/temp/environment: line 2238: append-flags: command not found
/var/tmp/portage/sys-cluster/mvapich2-1.6/temp/environment: line 2239: append-flags: command not found
/var/tmp/portage/sys-cluster/mvapich2-1.6/temp/environment: line 2240: append-flags: command not found
/var/tmp/portage/sys-cluster/mvapich2-1.6/temp/environment: line 2241: append-flags: command not found
/var/tmp/portage/sys-cluster/mvapich2-1.6/temp/environment: line 2245: append-flags: command not found
 * econf: updating mvapich2-1.6/src/mpe2/src/slog2sdk/trace_rlog/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/src/mpe2/src/slog2sdk/trace_rlog/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mvapich2-1.6/src/mpe2/src/slog2sdk/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/src/mpe2/src/slog2sdk/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mvapich2-1.6/src/mpe2/src/slog2sdk/trace_sample/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/src/mpe2/src/slog2sdk/trace_sample/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mvapich2-1.6/src/mpe2/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/src/mpe2/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mvapich2-1.6/src/pm/hydra/confdb/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/src/pm/hydra/confdb/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mvapich2-1.6/src/pm/hydra/tools/bind/plpa/plpa/config/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/src/pm/hydra/tools/bind/plpa/plpa/config/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mvapich2-1.6/src/pm/hydra/tools/bind/hwloc/hwloc/config/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/src/pm/hydra/tools/bind/hwloc/hwloc/config/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mvapich2-1.6/src/pm/hydra/mpl/confdb/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/src/pm/hydra/mpl/confdb/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mvapich2-1.6/src/mpid/ch3/channels/mrail/src/hwloc/config/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/src/mpid/ch3/channels/mrail/src/hwloc/config/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mvapich2-1.6/src/mpi/romio/confdb/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/src/mpi/romio/confdb/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mvapich2-1.6/confdb/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/confdb/config.sub with /usr/share/gnuconfig/config.sub
 * econf: updating mvapich2-1.6/limic2-0.5.4/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating mvapich2-1.6/limic2-0.5.4/config.sub with /usr/share/gnuconfig/config.sub
./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --with-device=osu_ch3:mrail --with-rdma=gen2 --with-pm=mpd --disable-romio --with-mpe=no --enable-threads=multiple --with-thread-package=pthreads
Configuring MVAPICH2  with  '--prefix=/usr' '--build=x86_64-pc-linux-gnu' '--host=x86_64-pc-linux-gnu' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--datadir=/usr/share' '--sysconfdir=/etc' '--localstatedir=/var/lib' '--libdir=/usr/lib64' '--with-device=osu_ch3:mrail' '--with-rdma=gen2' '--with-pm=mpd' '--disable-romio' '--with-mpe=no' '--enable-threads=multiple' '--with-thread-package=pthreads' 'build_alias=x86_64-pc-linux-gnu' 'host_alias=x86_64-pc-linux-gnu' 'CFLAGS=-O2 -march=native -pipe -fomit-frame-pointer' 'LDFLAGS=-Wl,-O1 -Wl,--as-needed' 'F77=x86_64-pc-linux-gnu-gfortran' 'FFLAGS=-O2 -pipe' 'CXXFLAGS=-O2 -march=native -pipe -fomit-frame-pointer'
checking build system type... x86_64-pc-linux-gnu
checking whether to enable header caching... yes
configure: error: The device osu_ch3:mrail does not support MPI_THREAD_MULTIPLE

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/sys-cluster/mvapich2-1.6/work/mvapich2-1.6/config.log
 * ERROR: sys-cluster/mvapich2-1.6 failed (configure phase):
 *   econf failed
 * 
 * Call stack:
 *          ebuild.sh, line   93:  Called src_configure
 *        environment, line 2264:  Called econf '--with-device=osu_ch3:mrail' '--with-rdma=gen2' '--with-pm=mpd' '--disable-romio' '--with-mpe=no' '--enable-threads=multiple' '--with-thread-package=pthreads'
 *   phase-helpers.sh, line  521:  Called die
 * The specific snippet of code:
 *   			die "econf failed"
 * 
 * If you need support, post the output of `emerge --info '=sys-cluster/mvapich2-1.6'`,
 * the complete build log and the output of `emerge -pqv '=sys-cluster/mvapich2-1.6'`.
 * The complete build log is located at '/var/tmp/portage/sys-cluster/mvapich2-1.6/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-cluster/mvapich2-1.6/temp/environment'.
 * Working directory: '/var/tmp/portage/sys-cluster/mvapich2-1.6/work/mvapich2-1.6'
 * S: '/var/tmp/portage/sys-cluster/mvapich2-1.6/work/mvapich2-1.6'