postinst is in libmpich1.0-dev 1.2.7-10ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | #!/bin/sh
set -e
case "$1" in
configure)
# Continue below
;;
abort-upgrade|abort-remove|abort-deconfigure)
exit 0;
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 0;
;;
esac
update-alternatives \
--install /usr/include/mpi mpi /usr/lib/mpich/include 10 \
--slave /usr/lib/libmpi.a libmpi.a /usr/lib/mpich/lib/libmpich.a \
--slave /usr/lib/libmpi.so libmpi.so /usr/lib/mpich/lib/shared/libmpich.so \
--slave /usr/lib/libmpi++.a libmpi++.a /usr/lib/mpich/lib/libpmpich++.a \
--slave /usr/lib/libmpi++.so libmpi++.so /usr/lib/mpich/lib/shared/libpmpich++.so \
--slave /usr/bin/mpicc mpicc /usr/bin/mpicc.mpich \
--slave /usr/bin/mpiCC mpiCC /usr/bin/mpiCC.mpich \
--slave /usr/bin/mpicxx mpicxx /usr/bin/mpicxx.mpich \
--slave /usr/bin/mpif77 mpif77 /usr/bin/mpif77.mpich \
--slave /usr/bin/mpif90 mpif90 /usr/bin/mpif90.mpich \
--slave /usr/bin/mpireconfig mpireconfig /usr/bin/mpireconfig.mpich \
--slave /usr/share/man/man1/mpicc.1.gz mpicc.1.gz /usr/share/man/man1/mpicc.mpich.1.gz \
--slave /usr/share/man/man1/mpiCC.1.gz mpiCC.1.gz /usr/share/man/man1/mpiCC.mpich.1.gz \
--slave /usr/share/man/man1/mpicxx.1.gz mpicxx.1.gz /usr/share/man/man1/mpicxx.mpich.1.gz \
--slave /usr/share/man/man1/mpif77.1.gz mpif77.1.gz /usr/share/man/man1/mpif77.mpich.1.gz \
--slave /usr/share/man/man1/mpif90.1.gz mpif90.1.gz /usr/share/man/man1/mpif90.mpich.1.gz \
--slave /usr/share/man/man1/mpireconfig.1.gz mpireconfig.1.gz /usr/share/man/man1/mpireconfig.mpich.1.gz
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