EXTENSION = pg_bikram_sambat
MODULE_big = pg_bikram_sambat

DISTVERSION = 0.1.0
DATA_built = pg_bikram_sambat--$(DISTVERSION).sql
OBJS = pg_bikram_sambat.o \
	src/date_converter.o \
	src/utils.o \
	src/dataset.o \
	src/consts.o \
	extension/casts.o \
	extension/functions.o \
	extension/io.o \
	extension/operators.o \
	extension/utils.o

SOURCE_DIR = src # directory containing the C implementation functions
EXTENSION_DIR = extension # directory containing the PostgreSQL C wrapper functions

# pg_regress options
REGRESS_OPTS = --inputdir=tests/pg_regress --outputdir=tests/pg_regress
REGRESS = \
	001_lifecycle \
	002_sanity_check \
	003_functions \
	004_operators \
	005_table_operations \
	006_expected_failures \
	007_index_and_operator_class

# use -O0 for debugging, -O2 for production (optimization levels)
DEBUG_FLAGS = -g -O0

PG_CPPFLAGS = -I$(includedir_server) -I$(SOURCE_DIR) -I$(EXTENSION_DIR) -DPG_EXTENSION $(DEBUG_FLAGS)
EXTRA_CLEAN = $(DATA_built) testable
SHLIB_LINK =

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

# generate the main 'pg_bikram_sambat--<version>.sql' file by concatenating all the sql files
# the order of sql files here matters
# wouldn't wanna have operators before the type definition, and so on
SQL_FILES = sql/types.sql sql/casts.sql sql/operators.sql sql/functions.sql
$(DATA_built): $(SQL_FILES)
	cat $^ > $@

# creates a symlink named 'pg_bin' to the postgres binary
# this symlink is currently used in the attach debug configuration (Attach to PostgreSQL Backend)
# through the "Setup Postgres Binary Symlink" task as a preLaunchTask
.PHONY: pgbin-symlink
pgbin-symlink:
	ln -sf $(shell $(PG_CONFIG) --bindir)/postgres pg_bin

# custom target for buidling standalone test binary from the C implementation files
# [NOTE: This does not include PostgreSQl wrapper implementation C files]
.PHONY: testable
testable: src/consts.c src/dataset.c src/date_converter.c src/main.c  src/utils.c
	$(CC) -g $^ -o testable

# target for PGXN distribution
DISTNAME = pg_bikram_sambat--$(DISTVERSION)

# Make sure to git tag before creating the distribution 
# git tag -a v$(DISTVERSION) -m "Release version $(DISTVERSION)"
# [Replace v$(DISTVERSION) with HEAD in the archive command to create archive from latest commit instead]
# [NOTE: if you have uncommited changes, HEAD will not include those for obvious reason]
.PHONY: dist
dist:
	git archive --format zip --prefix=$(DISTNAME)/ -o $(DISTNAME).zip v$(DISTVERSION)