These packaging examples are intended to provide a guide to packagers to promote consistency across multiple operating system distributions.
These examples are intended to be helpful rather than prescriptive and you will probably want to remove any compatibility macros and customise according to your distribution's packaging policy.
Please contribute any fixes and improvements.
The packages are regularly built using the Open Build Service but not installed and tested:
https://build.opensuse.org/package/show/home:terryburton:postscriptbarcode/libpostscriptbarcode