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mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
current_dir := $(patsubst %/,%,$(dir $(mkfile_path)))

include ../../buildenv.mk

LIB_NAME= libsgx_mbedcrypto.a
SRC_DIR = mbedtls_code

CFLAGS := -I$(COMMON_DIR)/inc/internal \
	-I$(COMMON_DIR)/inc          \
	-I$(COMMON_DIR)/inc/tlibc

CFLAGS += $(ENCLAVE_CFLAGS) $(SGX_COMMON_CFLAGS) -Werror -fno-exceptions -fPIC

.PHONY: all clean
all: sgx_mbedtls_utils.o | $(BUILD_DIR)
ifeq ($(shell grep -c sgx mbedtls_code/library/rsa.c), 0)
	@echo "Apply patch for SGX..."
	@cd $(SRC_DIR) && git apply ../sgx_mbedtls.patch
	@echo "Done."
endif
	@rm -rf $(SRC_DIR)/build && mkdir $(SRC_DIR)/build
	@cd $(SRC_DIR)/build && cmake  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS} $(CFLAGS) -include$(current_dir)/bypass_to_sgxmbed.h " -DGEN_FILES=OFF -DCMAKE_C_COMPILER_WORKS=TRUE .. && make mbedcrypto
	@$(RM) -rf .libs && mkdir .libs
	@cd .libs && $(AR) x ../$(SRC_DIR)/build/library/libmbedcrypto.a
	@$(AR) rsD $(LIB_NAME) .libs/*.o sgx_mbedtls_utils.o
	@$(CP) $(LIB_NAME) $(BUILD_DIR)/

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

sgx_mbedtls_utils.o: sgx_mbedtls_utils.c
	@$(CC) $(CFLAGS) -c $< -o $@
	@echo "CC   <=  $<"

clean:
	@$(RM) -rf *.a *.o .libs $(BUILD_DIR)/$(LIB_NAME) $(SRC_DIR)/build
