undefined reference to `dgetrf_' error when compiling Meep-1.2 on CentOS

When you are compiling meep-1.2 on CentOS, you may encounter this error

multilevel-atom.cpp:(.text+0x9a9): undefined reference to `dgetrf_'
multilevel-atom.cpp:(.text+0x9fb): undefined reference to `dgetri_'
multilevel-atom.cpp:(.text+0xa44): undefined reference to `dgetri_'
collect2: ld returned 1 exit status
make[3]: *** [meep_mpi] Error 1
make[3]: Leaving directory `/home/user1/meep-1.2/libctl'

The error is due to LAPACK linking problem

The solution is to use the pre-release Meep-1.2.1 found at http://jdj.mit.edu/~stevenj/meep-1.2.1.tar.gz

References:

1. http://listarc.com/showthread.php?3713314-Meep+1.2+installation