Thank u for your reponse. sorry, now ther version is correct and I could find mpi.mod in the include dictionary(/usr/include/mpich2). but $apt-file search mpi.mod cannot list this file. some other files in libmpich2-dev cannot be search in this way either. $ dpkg -l |grep mpich
rc libmeep-mpi2 0.20.3-3ubuntu1 library for using parallel (mpich) version of meep rc libmpich1.0gf 1.2.7-9.1ubuntu1 mpich runtime shared library ii libmpich2-1.2 1.2-1ubuntu1 Shared libraries for MPICH2 iF libmpich2-dev 1.2-1ubuntu1 Development files for MPICH2 rc mpich-bin 1.2.7-9.1ubuntu1 MPI parallel computing system implementation ii mpich2 1.2-1ubuntu1 Implementation of the MPI Message Passing Interface sta ii mpich2-doc 1.2-1ubuntu1 Documentation for MPICH2 -- "mpi.h" not found https://bugs.launchpad.net/bugs/434039 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs