1#
2# Copyright (c) 2019-2022, Linaro Limited. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6
7V		?= 0
8BUILD_INFO	?= 1
9DEBUG		:= 0
10ENCTOOL		?= encrypt_fw${BIN_EXT}
11BINARY		:= $(notdir ${ENCTOOL})
12OPENSSL_DIR	:= /usr
13
14OBJECTS := src/encrypt.o \
15           src/cmd_opt.o \
16           src/main.o
17
18HOSTCCFLAGS := -Wall -std=c99
19
20MAKE_HELPERS_DIRECTORY := ../../make_helpers/
21include ${MAKE_HELPERS_DIRECTORY}build_macros.mk
22include ${MAKE_HELPERS_DIRECTORY}build_env.mk
23
24ifeq (${DEBUG},1)
25  HOSTCCFLAGS += -g -O0 -DDEBUG -DLOG_LEVEL=40
26else
27ifeq (${BUILD_INFO},1)
28  HOSTCCFLAGS += -O2 -DLOG_LEVEL=20
29else
30  HOSTCCFLAGS += -O2 -DLOG_LEVEL=10
31endif
32endif
33ifeq (${V},0)
34  Q := @
35else
36  Q :=
37endif
38
39# Make soft links and include from local directory otherwise wrong headers
40# could get pulled in from firmware tree.
41INC_DIR := -I ./include -I ../../include/tools_share -I ${OPENSSL_DIR}/include
42
43# Include library directories where OpenSSL library files are located.
44# For a normal installation (i.e.: when ${OPENSSL_DIR} = /usr or
45# /usr/local), binaries are located under the ${OPENSSL_DIR}/lib/
46# directory. However, for a local build of OpenSSL, the built binaries are
47# located under the main project directory (i.e.: ${OPENSSL_DIR}, not
48# ${OPENSSL_DIR}/lib/).
49LIB_DIR := -L ${OPENSSL_DIR}/lib -L ${OPENSSL_DIR}
50LIB := -lssl -lcrypto
51
52HOSTCC ?= gcc
53
54.PHONY: all clean realclean
55
56all: ${BINARY}
57
58${BINARY}: ${OBJECTS} Makefile
59	@echo "  HOSTLD  $@"
60	@echo 'const char build_msg[] = "Built : "__TIME__", "__DATE__;' | \
61                ${HOSTCC} -c ${HOSTCCFLAGS} -xc - -o src/build_msg.o
62	${Q}${HOSTCC} src/build_msg.o ${OBJECTS} ${LIB_DIR} ${LIB} -o $@
63
64%.o: %.c
65	@echo "  HOSTCC  $<"
66	${Q}${HOSTCC} -c ${HOSTCCFLAGS} ${INC_DIR} $< -o $@
67
68clean:
69	$(call SHELL_DELETE_ALL, src/build_msg.o ${OBJECTS})
70
71realclean: clean
72	$(call SHELL_DELETE,${BINARY})
73