EXTENSION = pg_doc_store
EXTVERSION = $(shell grep default_version $(EXTENSION).control | \
               sed -e "s/default_version[[:space:]]*=[[:space:]]*'\([^']*\)'/\1/")

PG_CONFIG = pg_config
PG95 = $(shell $(PG_CONFIG) --version | egrep " 8\.| 9\.0| 9\.1| 9\.2| 9\.3| 9\.4" > /dev/null && echo no || echo yes)

ifeq ($(PG95),yes)
#DOCS = $(wildcard doc/*.md)
all: sql/$(EXTENSION)--$(EXTVERSION).sql

# Use plpgsql files
sql/$(EXTENSION)--$(EXTVERSION).sql: sql/functions/*.sql
	cat $^ > $@
DATA = $(wildcard updates/*--*.sql) sql/$(EXTENSION)--$(EXTVERSION).sql

EXTRA_CLEAN = sql/$(EXTENSION)--$(EXTVERSION).sql
else
$(error Minimum version of PostgreSQL required is 9.5.0)
endif

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