INCLUDE = $(shell pg_config --includedir)
LINK = -L$(shell pg_config --libdir) -lpq

PG_OCAML_MAJOR_VERSION = $(shell pg_config --version | sed -e  "s/^.* \([0-9]\+\).*/\1/g")
PG_OCAML_MINOR_VERSION = $(shell pg_config --version | sed -e "s/^.* [^.]*\.\([0-9]\+\).*/\1/g")

CFLAGS += -DPG_OCAML_MAJOR_VERSION=$(PG_OCAML_MAJOR_VERSION)
CFLAGS += -DPG_OCAML_MINOR_VERSION=$(PG_OCAML_MINOR_VERSION)

FILES[] =
	postgresql

# Force to use ocamlc as driver for .c:
postgresql_stubs.o: postgresql_stubs.c
	$(OCAMLC) -I $(INCLUDE) -ccopt "$(CFLAGS)" -c postgresql_stubs.c

.SCANNER: postgresql_stubs.o: postgresql_stubs.c
	$(OCAMLC) -I $(INCLUDE) -c -ccopt -MM -ccopt "$(CFLAGS)" postgresql_stubs.c

postgresql.cma: $(addsuffix .cmo, $(FILES)) postgresql_stubs.o
	ocamlmklib -o postgresql $(OCamlLinkSort $(addsuffix .cmo, $(FILES))) postgresql_stubs.o $(LINK)

postgresql.cmxa postgresql.a: $(addsuffix .cmx, $(FILES)) $(addsuffix .o, $(FILES)) postgresql_stubs.o
	ocamlmklib -o postgresql $(OCamlLinkSort $(addsuffix .cmx, $(FILES))) postgresql_stubs.o $(LINK)

.DEFAULT: postgresql.cma postgresql.cmxa

clean:
	rm -f *.cmi *.cmo *.cmx *.cma *.cmxa *.o *.a *.so