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include ../../../buildenv.mk

OCAML_VERSION_MAJOR=$(shell ocamlopt -version | head -n  1 | cut -d . -f 1)
OCAML_VERSION_MINOR=$(shell ocamlopt -version | head -n  1 | cut -d . -f 2)
OCAML_VERSION=$(OCAML_VERSION_MAJOR)$(OCAML_VERSION_MINOR)

.PHONY: all
all: build | $(BUILD_DIR)
	@$(CP) $(CUR_DIR)/_build/Edger8r.native $(BUILD_DIR)/sgx_edger8r

.PHONY: build
build:
# ocaml 4.02 - added support for PIC
ifeq ($(shell test $(OCAML_VERSION) -lt 402 && echo 1), 1)
	ocamlbuild -lflag -ccopt -lflag "-Wl,-z,now" -no-links -libs str,unix  Edger8r.native
else
	ocamlbuild -cflags -ccopt,-fpie -lflags -runtime-variant,_pic,-ccopt,-pie,-ccopt -lflag "-Wl,-z,now"  -no-links -libs str,unix Edger8r.native
endif

$(BUILD_DIR):
	@$(MKDIR) $@

.PHONY:
clean:
	@ocamlbuild Edger8r.native -clean
	@$(RM) $(BUILD_DIR)/sgx_edger8r
