damn, sorry, hit enter too early.
just added ~sparc to keywords of app-office/scribus and it compiled and works.
Latest version available: 1.1.1
Latest version installed: 1.1.1
Size of downloaded files: 2,005 kB
Description: Desktop Publishing (DTP) and Layout program for Linux.
Added ~sparc to keywords.
Thanks for the bug.
Marking stable and closing.