<div dir="ltr">Dear users,<div>I am facing this error while installing qe-6.1</div><div><br></div><div><div><font color="#ff9900">../../../../scalapack/BLACS/SRC/MPI/sys2blacs_handle_.c:(.text+0x1e): undefined reference to `ompi_mpi_comm_null'</font></div><div><font color="#ff9900">../../../../scalapack/BLACS/SRC/MPI/sys2blacs_handle_.c:(.text+0xaf): undefined reference to `ompi_mpi_comm_world'</font></div><div><font color="#ff9900">../../../../scalapack/BLACS/SRC/MPI/sys2blacs_handle_.c:(.text+0x17d): undefined reference to `ompi_mpi_comm_world'</font></div><div><font color="#ff9900">/opt/intel/composer_xe_2013.1.117/mkl/lib/intel64/libmkl_blacs_openmpi_lp64.a(BI_MPI_F77_to_c_trans_comm.o): In function `BI_MPI_F77_to_c_trans_comm':</font></div><div><font color="#ff9900">../../../../scalapack/BLACS/SRC/MPI/INTERNAL/BI_MPI_F77_to_c_trans_comm.c:(.text+0x6): undefined reference to `MPI_Comm_f2c'</font></div><div><font color="#ff9900">collect2: ld returned 1 exit status</font></div><div><font color="#ff9900">make[2]: *** [pw.x] Error 1</font></div><div><font color="#ff9900">make[2]: Leaving directory `/home/external/iitr/avinashp/qe-6.1/PW/src'</font></div><div><font color="#ff9900">make[1]: *** [pw] Error 1</font></div><div><font color="#ff9900">make[1]: Leaving directory `/home/external/iitr/avinashp/qe-6.1/PW'</font></div><div><font color="#ff9900">make: *** [pw] Error 1</font></div></div><div><br></div><div>Your help will be appreciated.</div><div><br></div><div>Thanks</div><div>Rajesh</div></div>