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https://github.com/lwip-tcpip/lwip.git
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63fb3721ef
Having just one depfile (.depend) means it has to be fully regenerated on every change, and it can't be done in parallel. After this change the rebuild time after touching a single test file has gone from 5.0 to 0.9 seconds. (make -j12) Build of tests from clean has gone from 8.1 to 5.5s. We could go even further and have one depfile per c-file, but this felt like a simple first step giving a nice improvement.
87 lines
3.3 KiB
Makefile
87 lines
3.3 KiB
Makefile
#
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# Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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# SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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# OF SUCH DAMAGE.
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#
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# This file is part of the lwIP TCP/IP stack.
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#
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# Author: Adam Dunkels <adam@sics.se>
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#
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all compile: lwip_unittests
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.PHONY: all clean check
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LWIPDIR=../../../../src
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# The include path to sys_arch.h and lwipopts.h must be first, so this must be before Common.mk
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CFLAGS=-DLWIP_NOASSERT_ON_ERROR -I/usr/include/check -I$(LWIPDIR)/../test/unit
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ifeq (clang,$(findstring clang,$(CC)))
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# check.h causes 'error: token pasting of ',' and __VA_ARGS__ is a GNU extension' with clang 9.0.0
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CFLAGS+=-Wno-gnu-zero-variadic-macro-arguments
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endif
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# Prevent compiling sys_arch.c of unix port because unit test provide their own port
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SYSARCH?=
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include ../Common.mk
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LDFLAGS:=-lcheck -lm $(LDFLAGS)
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ifneq ($(UNAME_S),Darwin)
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# check installed via brew on Darwin doesn't have a separate subunit library (must be statically linked)
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LDFLAGS+=-lsubunit
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endif
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TESTDIR=$(LWIPDIR)/../test/unit
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include $(TESTDIR)/Filelists.mk
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TESTOBJS=$(notdir $(TESTFILES:.c=.o))
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DEPFILES=.depend_test .depend_lwip .depend_app
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clean:
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@rm -f *.o $(LWIPLIBCOMMON) $(APPLIB) lwip_unittests *.s $(DEPFILES) *.core core lwip_unittests.xml
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depend dep: $(DEPFILES)
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include $(DEPFILES)
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.depend_test: $(TESTFILES)
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$(CCDEP) $(CFLAGS) -MM $^ > .depend_test || rm -f .depend_test
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.depend_lwip: $(LWIPFILES)
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$(CCDEP) $(CFLAGS) -MM $^ > .depend_lwip || rm -f .depend_lwip
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.depend_app: $(APPFILES)
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$(CCDEP) $(CFLAGS) -MM $^ > .depend_app || rm -f .depend_app
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ifneq ($(UNAME_S),Darwin)
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# clang on Darwin doesn't support --start-group
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lwip_unittests: $(DEPFILES) $(TESTOBJS) $(LWIPLIBCOMMON) $(APPLIB)
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$(CC) $(CFLAGS) -o lwip_unittests $(TESTOBJS) -Wl,--start-group $(LWIPLIBCOMMON) $(APPLIB) $(LDFLAGS) -Wl,--end-group
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else
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lwip_unittests: $(DEPFILES) $(TESTOBJS) $(LWIPLIBCOMMON) $(APPLIB)
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$(CC) $(CFLAGS) -o lwip_unittests $(TESTOBJS) $(LWIPLIBCOMMON) $(APPLIB) $(LDFLAGS)
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endif
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check: lwip_unittests
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@./lwip_unittests
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