[DRE-maint] Bug#1020395: ruby-sdbm FTBFS with more than one supported Ruby version

[Adrian Bunk]

Source: ruby-sdbm
Version: 1.0.0-4
Severity: serious
Tags: ftbfs

https://buildd.debian.org/status/logs.php?pkg=ruby-sdbm&ver=1.0.0-4%2Bb1

...
   dh_gencontrol -a -O--buildsystem=ruby
dpkg-gencontrol: warning: can't parse dependency lib lib
dpkg-gencontrol: error: parsing package 'ruby-sdbm' Depends field: ,
        ,
        libc6 (>= 2.33), libruby3.0 (>= 3.0.0~preview1) | libruby3.1 (>= 3.1.2), lib | lib lib
dh_gencontrol: error: dpkg-gencontrol -pruby-sdbm -ldebian/changelog -Tdebian/ruby-sdbm.substvars -Pdebian/.debhelper/ruby-sdbm/dbgsym-root -UPre-Depends -URecommends -USuggests -UEnhances -UProvides -UEssential -UConflicts -DPriority=optional -UHomepage -UImportant -UBuilt-Using -DAuto-Built-Package=debug-symbols -UProtected -DPackage=ruby-sdbm-dbgsym "-DDepends=ruby-sdbm (= \${binary:Version})" "-DDescription=debug symbols for ruby-sdbm" "-DBuild-Ids=4fef3beede0c69a9a14602656f4dfbd945ea5163 8f82f5a95abaf8b82874576873c2885577570001" -DSection=debug -UReplaces -UBreaks returned exit code 25
dh_gencontrol: error: Aborting due to earlier error
make: *** [debian/rules:7: binary-arch] Error 25