$ /opt/tcbsys/clang/3.9.0/bin/clang++-3.9    -march=core-avx2    -std=c++11  -Wdeprecated -Wextra -Wno-missing-field-initializers -Wpointer-arith -Wall -Wno-unused-function  -g      CMakeFiles/gmx.dir/gmx.cpp.o CMakeFiles/gmx.dir/legacymodules.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/md.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/mdrun.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/membed.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/repl_ex.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/resource-division.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/runner.cpp.o CMakeFiles/view_objlib.dir/view/view.cpp.o  -o ../../bin/gmx ../../lib/libgromacs.so.3.0.0 -fopenmp=libomp -Wl,-rpath,"\$ORIGIN/../lib"  -v
clang version 3.9.0 (tags/RELEASE_390/final)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/tcbsys/clang/3.9.0/bin
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.8
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.8.4
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.9.3
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.6
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.6.4
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8.4
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9.3
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Candidate multilib: .;@m64
Selected multilib: .;@m64
 "/usr/bin/ld" -z relro --hash-style=gnu --eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o ../../bin/gmx /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/crt1.o /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/crti.o /usr/lib/gcc/x86_64-linux-gnu/4.8/crtbegin.o -L/usr/lib/gcc/x86_64-linux-gnu/4.8 -L/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu -L/lib/x86_64-linux-gnu -L/lib/../lib64 -L/usr/lib/x86_64-linux-gnu -L/usr/lib/gcc/x86_64-linux-gnu/4.8/../../.. -L/opt/tcbsys/clang/3.9.0/bin/../lib -L/lib -L/usr/lib CMakeFiles/gmx.dir/gmx.cpp.o CMakeFiles/gmx.dir/legacymodules.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/md.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/mdrun.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/membed.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/repl_ex.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/resource-division.cpp.o CMakeFiles/mdrun_objlib.dir/mdrun/runner.cpp.o CMakeFiles/view_objlib.dir/view/view.cpp.o ../../lib/libgromacs.so.3.0.0 -rpath "\$ORIGIN/../lib" -lstdc++ -lm -lomp -lgcc_s -lgcc -lpthread -lc -lgcc_s -lgcc /usr/lib/gcc/x86_64-linux-gnu/4.8/crtend.o /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/crtn.o
CMakeFiles/mdrun_objlib.dir/mdrun/md.cpp.o: In function `gmx::do_md(_IO_FILE*, t_commrec*, gmx::MDLogger const&, int, t_filenm const*, gmx_output_env_t const*, int, int, gmx_vsite_t*, gmx_constr*, int, t_inputrec*, gmx_mtop_t*, t_fcdata*, t_state*, energyhistory_t*, t_mdatoms*, t_nrnb*, gmx_wallcycle*, gmx_edsam*, t_forcerec*, int, int, int, gmx_membed_t*, float, float, int, unsigned long, gmx_walltime_accounting*)':
/home/localadmin/gromacs/src/programs/mdrun/md.cpp:420: undefined reference to `ekinstate_t::~ekinstate_t()'
CMakeFiles/mdrun_objlib.dir/mdrun/md.cpp.o: In function `~t_state':
/home/localadmin/gromacs/src/gromacs/mdtypes/state.h:197: undefined reference to `ekinstate_t::~ekinstate_t()'
clang-3.9: error: linker command failed with exit code 1 (use -v to see invocation)