MODULES = streaming_lag OBJS = streaming_lag.o EXTENSION = streaming_lag EXVERSION = $(shell sed -n \ "/^default_version[[:space:]]*=/s/.*'\(.*\)'.*/\1/p" \ streaming_lag.control) DATA = streaming_lag--$(EXVERSION).sql PG_CONFIG = pg_config # verify version is 9.3 or later PG93 = $(shell $(PG_CONFIG) --version | \ (IFS="$${IFS}." read x v m s; expr $$v \* 100 + $$m \>= 903)) ifneq ($(PG93),1) $(error Requires PostgreSQL 9.3 or later) endif PGXS := $(shell $(PG_CONFIG) --pgxs) include $(PGXS)