Hi, I reported it upstream already - there seem to be always more of this kind of issues. The __packged change is needed, but I replaced the variable changes by the following until upstream fixes the rest into a new release. That gets you building again.
--- a/debian/rules +++ b/debian/rules @@ -2,6 +2,7 @@ export DH_VERBOSE=1 export DEB_BUILD_MAINT_OPTIONS = hardening=+all +export DEB_CFLAGS_MAINT_APPEND = -fcommon # Set binary version include /usr/share/dpkg/pkg-info.mk -- Christian Ehrhardt Staff Engineer, Ubuntu Server Canonical Ltd