Support both PACKAGE_VERSION and PROJECT_VERSION for now.
PACKAGE_VERSION and the tr mangling can be dropped when a version with
this change lands in Debian.
See https://github.com/systemd/systemd/pull/11230
Gbp-Dch: Ignore
override_dh_installinit:
dh_installinit --no-start
-PROJECT_VERSION ?= $(shell awk '/PACKAGE_VERSION/ {print $$3}' build-deb/config.h | tr -d \")
+PROJECT_VERSION ?= $(shell awk '/(PROJECT|PACKAGE)_VERSION/ {print $$3}' build-deb/config.h | tr -d \")
# The SysV compat tools (which are symlinks to systemctl) are
# quasi-essential, so add their dependencies to Pre-Depends