Virtual package libgsl0-dbg is provided by:
Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture +++-================-============-==================================== ii libgsl-dbg:amd64 2.7.1+dfsg-5 amd64 GNU Scientific Library (GSL) -- debug symbols package 1 packages