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# Makefile
#
# Copyright (C) 2010-2024 Olaf Bergmann <bergmann@tzi.org> and others
#
# SPDX-License-Identifier: BSD-2-Clause
#
# This file is part of the CoAP C library libcoap. Please see README and
# COPYING for terms of use.
libcoap_dir = ../..
LIBCOAP_API_VERSION = $(shell if [ -f $(libcoap_dir)/configure.ac ]; then \
sed -ne 's/^LIBCOAP_API_VERSION=\([0-9]\+\).*$$/\1/p' $(libcoap_dir)/configure.ac; \
else echo -n "3"; fi)
coap_include_dir = $(libcoap_dir)/include/coap$(LIBCOAP_API_VERSION)
WITH_LWIP_BRANCH=STABLE-2_2_0_RELEASE
# Update to latest TinyDTLS submodule as defined for libcoap
WITH_TINYDTLS_BRANCH=4a6a78236043da7f8af9ad7be8488aeed6884eda
# Need to determine which library clock_gettime() resides in (as found by ./autogen.sh)
LDLIBS := $(shell if [ -f $(libcoap_dir)/config.log ] ; then \
grep ac_cv_search_clock_gettime=- $(libcoap_dir)/config.log|cut -d= -f2 ; fi)
#
# Remove the 4 -dtls checks from "all" if you do not want DTLS included in
# some of the built objects.
#
all: lwip \
check-version \
check-tinydtls \
lib-server \
server \
lib-client \
client \
lib-server-dtls \
server-dtls \
lib-client-dtls \
client-dtls
lwip:
git clone --depth 1 https://git.savannah.nongnu.org/git/lwip.git -b $(WITH_LWIP_BRANCH)
(cd lwip ; git checkout $(WITH_LWIP_BRANCH))
$(MAKE)
check-version:
@(if [ -d lwip ] ; then \
cd lwip ; \
TAG=`git describe --tags --all`; \
if [ "$$TAG" != ${WITH_LWIP_BRANCH} ] ; then \
if [ "$$TAG" != "tags/${WITH_LWIP_BRANCH}" ] ; then \
echo "Updating lwip to ${WITH_LWIP_BRANCH}" ; \
cd .. ; \
rm -rf lwip ; \
${MAKE}; \
fi ; \
fi ; \
fi)
# base libcoap git has empty ext/tinydtls
check-tinydtls:
@(if [ ! -d $(libcoap_dir)/ext/tinydtls ] ; then \
mkdir -p $(libcoap_dir)/ext ; \
(cd $(libcoap_dir)/ext ; git clone https://github.com/eclipse/tinydtls.git) ; \
(cd $(libcoap_dir)/ext/tinydtls ; git checkout ${WITH_TINYDTLS_BRANCH}) ; \
fi ; \
if [ ! -f $(libcoap_dir)/ext/tinydtls/dtls.c ] ; then \
IN_GIT=`git rev-parse --is-inside-work-tree` ; \
if [ "$$IN_GIT" = "true" ] ; then \
(cd $(libcoap_dir) ; git submodule init ; git submodule update) ; \
else \
(cd $(libcoap_dir)/ext ; git clone https://github.com/eclipse/tinydtls.git) ; \
(cd $(libcoap_dir)/ext/tinydtls ; git checkout ${WITH_TINYDTLS_BRANCH}) ; \
fi ; \
if [ ! -f $(libcoap_dir)/ext/tinydtls/dtls.c ] ; then \
exit 1 ; \
fi ; \
fi ; \
IN_GIT=`git rev-parse --is-inside-work-tree` ; \
if [ "$$IN_GIT" = "true" ] ; then \
PWDDIR=`pwd` ; \
cd $(libcoap_dir) ; TAG=`git ls-tree HEAD ext/tinydtls | cut -d\ -f3 | cut -f1` ;\
if [ ! -z "$$TAG" ] ; then \
if [ "$$TAG" != ${WITH_TINYDTLS_BRANCH} ] ; then \
echo "Update WITH_TINYDTLS_BRANCH in Makefile to $$TAG" >&2 ; \
exit 1 ; \
fi ;\
fi ;\
cd $$PWDDIR ; \
fi ;\
if [ ! -f $(libcoap_dir)/ext/tinydtls/dtls_config.h ] ; then \
(cd $(libcoap_dir)/ext/tinydtls ; ./autogen.sh ; ./configure) ; \
${MAKE} ; \
fi)
# lwip and coap opts (include early to shadow the lwip/contrib/ports/unix/proj/minimal/ file and any ../../config.h)
CFLAGS += -DWITH_LWIP -iquote./config $(EXTRA_CFLAGS)
# lwip library
CFLAGS += -Ilwip/src/include/ -Ilwip/src/include/ipv4/ \
-Ilwip/contrib/ports/unix/port/include/ \
-Ilwip/contrib/ports/unix/proj/minimal/
LWIP_SRC = def.c init.c tapif.c etharp.c netif.c timeouts.c stats.c udp.c \
tcp.c pbuf.c ip4_addr.c ip4.c inet_chksum.c tcp_in.c tcp_out.c \
icmp.c raw.c ip4_frag.c sys_arch.c ethernet.c ip.c mem.c memp.c tcpip.c
vpath %.c lwip/src/core/ lwip/contrib/ports/unix/proj/minimal/ \
lwip/src/netif/ lwip/src/core/ipv4/ lwip/contrib/ports/unix/port/ \
lwip/contrib/ports/unix/port/netif/ lwip/src/api/
# CFLAGS += -DLWIP_UNIX_LINUX
# if ipv6 is used
vpath %.c lwip/src/core/ipv6/
LWIP_SRC += mld6.c ip6.c icmp6.c ethip6.c nd6.c ip6_addr.c ip6_frag.c
CN_LWIP_OBJ =$(patsubst %.c,lib-client/%.o,$(LWIP_SRC))
SN_LWIP_OBJ =$(patsubst %.c,lib-server/%.o,$(LWIP_SRC))
CD_LWIP_OBJ =$(patsubst %.c,lib-client-dtls/%.o,$(LWIP_SRC))
SD_LWIP_OBJ =$(patsubst %.c,lib-server-dtls/%.o,$(LWIP_SRC))
# coap library
CFLAGS += -std=gnu99
CFLAGS += -I$(libcoap_dir)/include
vpath %.c $(libcoap_dir)/src
COAP_SRC = coap_address.c \
coap_asn1.c \
coap_async.c \
coap_block.c \
coap_cache.c \
coap_debug.c \
coap_dtls.c \
coap_encode.c \
coap_hashkey.c \
coap_io.c \
coap_io_lwip.c \
coap_layers.c \
coap_net.c \
coap_netif.c \
coap_notls.c \
coap_option.c \
coap_oscore.c \
coap_pdu.c \
coap_prng.c \
coap_proxy.c \
coap_resource.c \
coap_session.c \
coap_sha1.c \
coap_str.c \
coap_subscribe.c \
coap_tcp.c \
coap_threadsafe.c \
coap_tinydtls.c \
coap_uri.c \
coap_ws.c
CN_COAP_OBJ =$(patsubst %.c,lib-client/%.o,$(COAP_SRC))
SN_COAP_OBJ =$(patsubst %.c,lib-server/%.o,$(COAP_SRC))
CD_COAP_OBJ =$(patsubst %.c,lib-client-dtls/%.o,$(COAP_SRC))
SD_COAP_OBJ =$(patsubst %.c,lib-server-dtls/%.o,$(COAP_SRC))
# tinydtls library
vpath %.c $(libcoap_dir)/ext/tinydtls $(libcoap_dir)/ext/tinydtls/sha2 $(libcoap_dir)/ext/tinydtls/aes $(libcoap_dir)/ext/tinydtls/ecc
TINYDTLS_CFLAGS = -I. -I$(libcoap_dir)/ext -I$(libcoap_dir)/ext/tinydtls -DDTLSv12 -DWITH_SHA256 -DSHA2_USE_INTTYPES_H -DDTLS_CHECK_CONTENTTYPE -DCOAP_WITH_LIBTINYDTLS -DHAVE_DTLS_SET_LOG_HANDLER=1
DTLS_SRC = dtls.c \
dtls_debug.c \
crypto.c \
dtls_time.c \
hmac.c \
sha2.c \
session.c \
peer.c \
netq.c \
rijndael_wrap.c \
rijndael.c \
ecc.c \
ccm.c \
dtls_prng.c
CN_DTLS_OBJ =$(patsubst %.c,lib-client/%.o,$(DTLS_SRC))
SN_DTLS_OBJ =$(patsubst %.c,lib-server/%.o,$(DTLS_SRC))
CD_DTLS_OBJ =$(patsubst %.c,lib-client-dtls/%.o,$(DTLS_SRC))
SD_DTLS_OBJ =$(patsubst %.c,lib-server-dtls/%.o,$(DTLS_SRC))
CFLAGS += -g3 -Wall -Wextra -pedantic -O0
CN_APP_OBJ =$(patsubst %.c,lib-client/%.o,client.c client-coap.c)
SN_APP_OBJ =$(patsubst %.c,lib-server/%.o,server.c server-coap.c)
CD_APP_OBJ =$(patsubst %.c,lib-client-dtls/%.o,client.c client-coap.c)
SD_APP_OBJ =$(patsubst %.c,lib-server-dtls/%.o,server.c server-coap.c)
CN_OBJS = ${CN_APP_OBJ} ${CN_LWIP_OBJ} ${CN_COAP_OBJ}
SN_OBJS = ${SN_APP_OBJ} ${SN_LWIP_OBJ} ${SN_COAP_OBJ}
CD_OBJS = ${CD_APP_OBJ} ${CD_LWIP_OBJ} ${CD_COAP_OBJ} ${CD_DTLS_OBJ}
SD_OBJS = ${SD_APP_OBJ} ${SD_LWIP_OBJ} ${SD_COAP_OBJ} ${SD_DTLS_OBJ}
${SN_OBJS} ${SD_OBJS}: server-coap.h
server: ${SN_OBJS}
$(CC) $(CFLAGS) ${SN_OBJS} -o server ${LDLIBS}
server-dtls: ${SD_OBJS}
$(CC) $(CFLAGS) ${SD_OBJS} -o server-dtls ${LDLIBS}
${CN_OBJS} ${CD_OBJS}: client-coap.h
client: ${CN_OBJS}
$(CC) $(CFLAGS) ${CN_OBJS} -o client ${LDLIBS}
client-dtls: ${CD_OBJS}
$(CC) $(CFLAGS) ${CD_OBJS} -o client-dtls ${LDLIBS}
lib-server:
@mkdir -p $@
lib-server/%.o: %.c config/lwipopts.h config/lwippools.h config/coap_config.h
$(CC) ${CFLAGS} -DCOAP_SERVER_SUPPORT -c $< -o $@
lib-server-dtls:
@mkdir -p $@
lib-server-dtls/%.o: %.c config/lwipopts.h config/lwippools.h config/coap_config.h
$(CC) ${CFLAGS} ${TINYDTLS_CFLAGS} -DCOAP_SERVER_SUPPORT -c $< -o $@
lib-client:
@mkdir -p $@
lib-client/%.o: %.c config/lwipopts.h config/lwippools.h config/coap_config.h
$(CC) ${CFLAGS} -DCOAP_CLIENT_SUPPORT -c $< -o $@
lib-client-dtls:
@mkdir -p $@
lib-client-dtls/%.o: %.c config/lwipopts.h config/lwippools.h config/coap_config.h
$(CC) ${CFLAGS} ${TINYDTLS_CFLAGS} -DCOAP_CLIENT_SUPPORT -c $< -o $@
clean:
rm -rf server server-dtls client client-dtls \
${CN_OBJS} ${SN_OBJS} ${CD_OBJS} ${SD_OBJS} \
lib-server lib-server-dtls lib-client lib-client-dtls
.PHONY: all clean
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