[Pkg-postgresql-public] Bug#887940: libpq-dev: changed version format in pg_config causes other packages to FTBFS

[Adrian Bunk]

Package: libpq-dev
Version: 10.1-3
Severity: serious
Control: affects -1 src:libpreludedb

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/libpreludedb.html

...
checking for ... checking for pg_config... /usr/bin/pg_config
checking for PostgreSQL libraries... yes
./configure: line 19300: test: too many arguments
...
   dh_install
dh_install: Cannot find (any matches for) "debian/tmp/usr/lib/*/libpreludedb/plugins/sql/pgsql*" (tried in ., debian/tmp)

dh_install: libpreludedb7-pgsql missing files: debian/tmp/usr/lib/*/libpreludedb/plugins/sql/pgsql*
dh_install: missing files, aborting
debian/rules:27: recipe for target 'binary' failed
make: *** [binary] Error 25


Root cause:

postgresql-10 (10.1-3) unstable; urgency=medium
...
  * Include package version number in "extra version" so it is reported by
    "psql --version" and friends.

https://sources.debian.org/src/autoconf-archive/20170321-1/m4/ax_lib_postgresql.m4/#L97