EXTENSION = $(shell grep -m 1 '"name":' META.json | \
sed -e 's/[[:space:]]*"name":[[:space:]]*"\([^"]*\)",/\1/')
EXTVERSION = $(shell grep -m 1 '"version":' META.json | \
sed -e 's/[[:space:]]*"version":[[:space:]]*"\([^"]*\)",\{0,1\}/\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
MODULES      = $(patsubst %.c,%,$(wildcard src/*.c))
EXTRA_CLEAN  = $(wildcard $(EXTENSION)-*.zip)
PG_CONFIG    = pg_config
PG91         = $(shell $(PG_CONFIG) --version | grep -qE " 8\.| 9\.0" && echo no || echo yes)

VERSION 	 = $(shell $(PG_CONFIG) --version | awk '{print $$2}')
MAJORVER 	 = $(shell echo $(VERSION) | cut -d . -f1,2 | tr -d .)

GE94		 = $(shell test $(MAJORVER) -ge 94 && echo yes || echo no)

ifeq ($(GE94),yes)
override CFLAGS += -DLONG_PARSETYPE
endif

ifeq ($(PG91),yes)
all: sql/$(EXTENSION)--$(EXTVERSION).sql

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

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

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

include $(PGXS)

.PHONY: results
results:
	rsync -avP --delete results/ test/expected

dist:
	git archive --prefix=$(EXTENSION)-$(EXTVERSION)/ -o $(EXTENSION)-$(EXTVERSION).zip HEAD

# To use this, do make print-VARIABLE_NAME
print-%  : ; @echo $* = $($*)