postinst is in libsp1c2 1.3.4-1.2.1-47.1.
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 | #!/bin/sh
set -e
if [ "$1" = configure ]; then
ldconfig
fi
exit 0
|