Makefile

EXTENSION = check_access
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)
PG_CONFIG = pg_config
PG94 = $(shell $(PG_CONFIG) --version | egrep " 8\.| 9\.0| 9\.1| 9\.2| 9\.3" > /dev/null && echo no || echo yes)

ifeq ($(PG94),yes)
all: sql/$(EXTENSION)--$(EXTVERSION).sql

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

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

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