postinst is in libopenblas-dev 0.1alpha2.2-3.
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 | #! /bin/sh
set -e
update-alternatives --install /usr/lib/libblas.so libblas.so \
/usr/lib/openblas-base/libopenblas.so 40 \
--slave /usr/lib/libblas.a libblas.a \
/usr/lib/openblas-base/libopenblas.a
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
|