#
# Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
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# are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
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#
# This file is part of the lwIP TCP/IP stack.
# 
# Author: Adam Dunkels <adam@sics.se>
#
 
all compile: lwip_unittests
.PHONY: all clean check

# The include path to sys_arch.h and lwipopts.h must be first, so this must be before Common.mk
CFLAGS=-DLWIP_NOASSERT_ON_ERROR -I/usr/include/check -I$(LWIPDIR)/../test/unit

ifeq (clang,$(findstring clang,$(CC)))
# check.h causes 'error: token pasting of ',' and __VA_ARGS__ is a GNU extension' with clang 9.0.0
CFLAGS+=-Wno-gnu-zero-variadic-macro-arguments
endif

# Prevent compiling sys_arch.c of unix port because unit test provide their own port
SYSARCH?=
include ../Common.mk

LDFLAGS:=-lcheck -lm $(LDFLAGS)

ifneq ($(UNAME_S),Darwin)
# check installed via brew on Darwin doesn't have a separate subunit library (must be statically linked)
LDFLAGS+=-lsubunit
endif

TESTDIR=$(LWIPDIR)/../test/unit
include $(TESTDIR)/Filelists.mk
TESTOBJS=$(notdir $(TESTFILES:.c=.o))

clean:
	@rm -f *.o $(LWIPLIBCOMMON) $(APPLIB) lwip_unittests *.s .depend* *.core core lwip_unittests.xml

depend dep: .depend

include .depend

.depend: $(LWIPFILES) $(APPFILES) $(TESTFILES)
	$(CCDEP) $(CFLAGS) -MM $^ > .depend || rm -f .depend

ifneq ($(UNAME_S),Darwin)
# clang on Darwin doesn't support --start-group
lwip_unittests: .depend $(TESTOBJS) $(LWIPLIBCOMMON) $(APPLIB)
	$(CC) $(CFLAGS) -o lwip_unittests $(TESTOBJS)  -Wl,--start-group $(LWIPLIBCOMMON) $(APPLIB) $(LDFLAGS) -Wl,--end-group
else
lwip_unittests: .depend $(TESTOBJS) $(LWIPLIBCOMMON) $(APPLIB)
	$(CC) $(CFLAGS) -o lwip_unittests $(TESTOBJS) $(LWIPLIBCOMMON) $(APPLIB) $(LDFLAGS)
endif

check: lwip_unittests
	@./lwip_unittests