Introduction of sequential-API build variant, better thread safety (lwIP only)

ext/lwip-contrib/ports/unix/check/Makefile

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+#
+# Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
+# All rights reserved. 
+# 
+# Redistribution and use in source and binary forms, with or without modification, 
+# are permitted provided that the following conditions are met:
+#
+# 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,
+#    this list of conditions and the following disclaimer in the documentation
+#    and/or other materials provided with the distribution.
+# 3. The name of the author may not be used to endorse or promote products
+#    derived from this software without specific prior written permission. 
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+# SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+# OF SUCH DAMAGE.
+#
+# 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
+
+# Prevent compiling sys_arch.c of unix port because unit test provide their own port
+SYSARCH?=
+include ../Common.mk
+
+LDFLAGS:=-lcheck -lm -lsubunit $(LDFLAGS)
+
+TESTDIR=$(LWIPDIR)/../test/unit
+include $(TESTDIR)/Filelists.mk
+TESTOBJS=$(notdir $(TESTFILES:.c=.o))
+
+clean:
+	@rm -f *.o $(LWIPLIBCOMMON) $(APPLIB) lwip_unittests *.s .depend* *.core core
+
+depend dep: .depend
+
+include .depend
+
+.depend: $(LWIPFILES) $(APPFILES) $(TESTFILES)
+	$(CCDEP) $(CFLAGS) -MM $^ > .depend || rm -f .depend
+
+lwip_unittests: .depend $(TESTOBJS) $(LWIPLIBCOMMON) $(APPLIB)
+	$(CC) $(CFLAGS) -o lwip_unittests $(TESTOBJS)  -Wl,--start-group $(LWIPLIBCOMMON) $(APPLIB) $(LDFLAGS) -Wl,--end-group
+
+check: lwip_unittests
+	@./lwip_unittests

ext/lwip-contrib/ports/unix/check/README

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+
+Helper files to run lwIP unit tests on unix-like systems.
+
+1. Install the check library, through a package manager or from http://check.sourceforge.net/
+2. Put the lwip code in a directory called 'lwip' in the same directory as lwip-contrib is
+3. Run `make check`
+4. Make sure all tests pass
+

ext/lwip-contrib/ports/unix/check/config.h

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+/* Enable this to simplify debugging */
+/* #define LWIP_UNITTESTS_NOFORK */