Makefile

EXTENSION = $(shell grep -m 1 '"name":' META.json | sed -e 's/[[:space:]]*"name":[[:space:]]*"\([^"]*\)",/\1/')
EXTVERSION = $(shell grep default_version $(EXTENSION).control | sed -e "s/default_version[[:space:]]*=[[:space:]]*'\\([^']*\\)'/\\1/")
DATA = $(filter-out $(wildcard sql/*--*.sql),$(wildcard sql/*.sql))
DOCS = $(wildcard doc/*.md)
TESTS = $(wildcard test/sql/*.sql)
REGRESS = $(patsubst test/sql/%.sql,%,$(TESTS))
REGRESS_OPTS = --inputdir=test --load-language=plpgsql
PG_CONFIG = pg_config
MODULES	= $(patsubst %.c,%,$(wildcard src/*.c))
MODULE_big = $(EXTENSION)
OBJS = $(patsubst %.c,%.o,$(wildcard src/*.c))
PG_CPPFLAGS := $(shell $(PG_CONFIG) --cflags ) -I $(shell $(PG_CONFIG) --includedir)
SHLIB_LINK := -lpq

PG94 := $(shell $(PG_CONFIG) --version | egrep " 8\.| 9\.0| 9\.1| 9\.2| 9\.3" > /dev/null && echo no || echo yes)
ifeq ($(PG94),no)
$(error Minimum version of PostgreSQL requires is 9.4.0)
endif

all: sql/$(EXTENSION)--$(EXTVERSION).sql

sql/$(EXTENSION)--$(EXTVERSION).sql: sql/$(EXTENSION).sql
	cp $< $@

DATA = $(wildcard sql/*--*.sql)
EXTRA_CLEAN = sql/$(EXTENSION)--$(EXTVERSION).sql

PGXS := $(shell $(PG_CONFIG) --pgxs)
include $(PGXS)