SELF_DIR         := $(dir $(lastword $(MAKEFILE_LIST)))
EXTENSION         = crankshaft
PACKAGE           = crankshaft
EXTVERSION        = $(shell grep default_version $(SELF_DIR)/src/pg/$(EXTENSION).control | sed -e "s/default_version[[:space:]]*=[[:space:]]*'\([^']*\)'/\1/")
RELEASE_VERSION  ?= $(EXTVERSION)

SED               = sed
AWK               = awk

PG_CONFIG         = pg_config
PG_VERSION_1000  := $(shell $(PG_CONFIG) --version | $(AWK) '{$$2*=1000; print $$2}')
PG_PARALLEL      := $(shell [ $(PG_VERSION_1000) -ge 9600 ] && echo true)

PG_12plus        := $(shell [ $(PG_VERSION_1000) -ge 12000 ] && echo true)
PYTHON3          ?= $(PG_12plus)

ifeq ($(PYTHON3), true)
PIP              := python3 -m pip
NOSETESTS         = nosetests3
else
PIP              := python2 -m pip
NOSETESTS         = nosetests
endif