#
# Copyright (c) 2014-2023, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#

MAKE_HELPERS_DIRECTORY := ../../make_helpers/
include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
include ${MAKE_HELPERS_DIRECTORY}build_env.mk
include ${MAKE_HELPERS_DIRECTORY}defaults.mk

FIPTOOL ?= fiptool${BIN_EXT}
PROJECT := $(notdir ${FIPTOOL})
OBJECTS := fiptool.o tbbr_config.o
V ?= 0
OPENSSL_DIR := /usr


override CPPFLAGS += -D_GNU_SOURCE -D_XOPEN_SOURCE=700
HOSTCCFLAGS := -Wall -Werror -pedantic -std=c99
ifeq (${DEBUG},1)
  HOSTCCFLAGS += -g -O0 -DDEBUG
else
  HOSTCCFLAGS += -O2
endif

# Select OpenSSL version flag according to the OpenSSL build selected
# from setting the OPENSSL_DIR path.
$(eval $(call SELECT_OPENSSL_API_VERSION))

HOSTCCFLAGS += ${DEFINES}
# USING_OPENSSL3 flag will be added to the HOSTCCFLAGS variable with the proper
# computed value.
HOSTCCFLAGS += -DUSING_OPENSSL3=$(USING_OPENSSL3)

# Include library directories where OpenSSL library files are located.
# For a normal installation (i.e.: when ${OPENSSL_DIR} = /usr or
# /usr/local), binaries are located under the ${OPENSSL_DIR}/lib/
# directory. However, for a local build of OpenSSL, the built binaries are
# located under the main project directory (i.e.: ${OPENSSL_DIR}, not
# ${OPENSSL_DIR}/lib/).
LDLIBS := -L${OPENSSL_DIR}/lib -L${OPENSSL_DIR} -lcrypto

ifeq (${V},0)
  Q := @
else
  Q :=
endif

INCLUDE_PATHS := -I../../include/tools_share  -I${OPENSSL_DIR}/include

HOSTCC ?= gcc

ifneq (${PLAT},)
TF_PLATFORM_ROOT	:=	../../plat/
include ${MAKE_HELPERS_DIRECTORY}plat_helpers.mk
COMBINED_PATH_FRAG := plat_fiptool/
PLAT_FIPTOOL_HELPER_MK := $(foreach path_frag,$(subst /, ,$(patsubst ../../plat/%/,%,${PLAT_DIR})),\
			  $(eval COMBINED_PATH_FRAG := ${COMBINED_PATH_FRAG}/${path_frag})\
			  $(wildcard ${COMBINED_PATH_FRAG}/plat_fiptool.mk))
endif

ifneq (,$(wildcard $(lastword ${PLAT_FIPTOOL_HELPER_MK})))
include ${PLAT_FIPTOOL_HELPER_MK}
endif

DEPS := $(patsubst %.o,%.d,$(OBJECTS))

.PHONY: all clean distclean --openssl

all: --openssl ${PROJECT}

${PROJECT}: ${OBJECTS} Makefile
	@echo "  HOSTLD  $@"
	${Q}${HOSTCC} ${OBJECTS} -o $@ ${LDLIBS}
	@${ECHO_BLANK_LINE}
	@echo "Built $@ successfully"
	@${ECHO_BLANK_LINE}

%.o: %.c Makefile
	@echo "  HOSTCC  $<"
	${Q}${HOSTCC} -c ${CPPFLAGS} ${HOSTCCFLAGS} ${INCLUDE_PATHS} -MD -MP $< -o $@

-include $(DEPS)

--openssl:
ifeq ($(DEBUG),1)
	@echo "Selected OpenSSL version: ${OPENSSL_CURRENT_VER}"
endif


clean:
	$(call SHELL_DELETE_ALL, ${PROJECT} ${OBJECTS} $(DEPS))