make Makefile:25: /usr/lib/postgresql/9.5/lib/pgxs/src/makefiles/pgxs.mk: No such file or directory make: *** No rule to make target `/usr/lib/postgresql/9.5/lib/pgxs/src/makefiles/pgxs.mk'. Stop.
Using UBUNTU 14 LTS
See also https://github.com/wulczer/first_last_agg/blob/master/Makefile
pgsql-hackers by date:
Соглашаюсь с условиями обработки персональных данных