ghostscript-dbg software package provides interpreter for the PostScript language and for PDF - Debug symbols, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ghostscript-dbg
ghostscript-dbg is installed in your system.
Make ensure the ghostscript-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep ghostscript-dbg *
You will get with ghostscript-dbg package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Debug packages |
| Package | ghostscript-dbg |
| Version | 9.19~dfsg-3.1 |
| Description | interpreter for the PostScript language and for PDF - Debug symbols |
| Sub Section | debug |