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[LWIP] Makefile: Fix include path for lwippools.h

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Create path for pre-processor includes from LIBCOAP_API_VERSION in
configure.ac. This avoids breaking the example after API version
change.
This commit is contained in:
Olaf Bergmann committed 2021-04-08 14:32:20 +02:00
1 parent 4426fa2a69
commit 60dd7aa32a
1 file changed
+10 -7
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examples/lwip/Makefile
+10 -7
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@@ -1,4 +1,9 @@
top_srcdir = ../..
include_dir = $(top_srcdir)/include
LIBCOAP_API_VERSION = $(shell sed -ne 's/^LIBCOAP_API_VERSION=\([0-9]\+\).*$$/\1/p' $(top_srcdir)/configure.ac)
coap_include_dir = $(include_dir)/coap$(LIBCOAP_API_VERSION)
WITH_LWIP_BRANCH=STABLE-2_0_3_RELEASE
WITH_LWIP_CONTRIB_BRANCH=STABLE-2_0_1_RELEASE
@@ -35,7 +40,8 @@ LWIPOBJS += mld6.o ip6.o icmp6.o ethip6.o nd6.o ip6_addr.o ip6_frag.o
CFLAGS += -std=gnu99
CFLAGS += -I$(top_srcdir)/include -I$(top_srcdir)/include/coap2
# set path to coap_include_dir for lwippools.h
CFLAGS += -I$(top_srcdir)/include -I$(coap_include_dir)
vpath %.c $(top_srcdir)/src
@@ -47,18 +53,15 @@ CFLAGS += -Wno-unused-parameter
CFLAGS += -Ilwip/src/include/ -Ilwip/src/include/ipv4/ -Ilwip-contrib/ports/unix/port/include/ -Ilwip-contrib/ports/unix/proj/minimal/
# making an executable out of all of it
OBJS = server.o server-coap.o ${LWIPOBJS} ${COAPOBJS}
../../include/coap2/coap.h:
@echo "Error: coap.h not present. Run the autotools chain (\`./autogen.sh && ./configure\`) in the project root directory to build the required coap.h file."
$(coap_include_dir)/coap.h:
@echo "Error: $@ not present. Run the autotools chain (\`./autogen.sh && ./configure\`) in the project root directory to build the required coap.h file."
@exit 1
${OBJS}: lwip lwip-contrib ../../include/coap2/coap.h
${OBJS}: lwip lwip-contrib $(coap_include_dir)/coap.h
server: ${OBJS}
# $(CC) ${OBJS} -o server -lrt
clean:
rm -f ${OBJS}