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Makefile.uk
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#
# Copyright (c) 2019, NEC Laboratories Europe GmbH, NEC Corporation.
# 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. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
#
################################################################################
# Check requirements: Click requires netdev access, so LWIP must not attach them
# Sadly, kconfig doesn't support an "unselect" option, so the next best thing
# we can do is catch this invalid configuration here and throw an error with
# an explanation what to do.
################################################################################
ifeq ($(CONFIG_LWIP_AUTOIFACE),y)
$(error Click cannot be built with LWIP option "Automatically attach netifs"! Please disable)
endif
################################################################################
# Register with unikraft
################################################################################
$(eval $(call addlib,libclick))
################################################################################
# Sources
################################################################################
LIBCLICK_COMMIT_HASH=a5384835a6cac10f8d44da4eeea8eaa8f8e6a0c2
LIBCLICK_URL=https://codeload.github.com/kohler/click/zip/$(LIBCLICK_COMMIT_HASH)
$(eval $(call fetchas,libclick,$(LIBCLICK_URL),click-$(LIBCLICK_COMMIT_HASH).zip))
LIBCLICK_PATCHDIR=$(LIBCLICK_BASE)/patches
$(eval $(call patch,libclick,$(LIBCLICK_PATCHDIR),click-$(LIBCLICK_COMMIT_HASH)))
################################################################################
# Helpers
################################################################################
LIBCLICK_EXTRACTED=$(LIBCLICK_ORIGIN)/click-$(LIBCLICK_COMMIT_HASH)
LIBCLICK_ELEMENTS_DIR=$(LIBCLICK_EXTRACTED)/elements
LIBCLICK_BUILDTOOL=$(LIBCLICK_EXTRACTED)/bin/click-buildtool
LIBCLICK_ELEM_DIRS=aqm ethernet etherswitch icmp ip unikraft \
local simple standard tcpudp threads userlevel
################################################################################
# Config Menu - Filter which element categories actually get built
################################################################################
LIBCLICK_ELEM_DIRS_U=$(call uc,$(LIBCLICK_ELEM_DIRS))
LIBCLICK_FILTERED_ELEM_DIRS_U := $(foreach V, $(LIBCLICK_ELEM_DIRS_U), \
$(if $(filter y,$(CONFIG_LIBCLICK_ELEMS_$V)),$V))
LIBCLICK_FILTERED_ELEM_DIRS=$(call lc,$(LIBCLICK_FILTERED_ELEM_DIRS_U))
################################################################################
# App-specific Targets
################################################################################
# Run Click's configure script to generate tools needed by further prepare targets
$(LIBCLICK_BUILD)/.configured: $(LIBCLICK_BUILD)/.cpfromtodevs
$(call verbose_cmd,CONFIGURE,libclick: $(notdir $@),\
cd $(LIBCLICK_EXTRACTED) && ./configure --enable-minios --with-xen=$(LIBCLICK_BUILD) --with-minios=$(LIBCLICK_BUILD) --with-newlib=$(LIBCLICK_BUILD) --with-lwip=$(LIBCLICK_BUILD) && \
$(TOUCH) $@)
# Generate element build rules using click-buildtool
$(LIBCLICK_BUILD)/.elementsmk: $(LIBCLICK_BUILD)/.configured $(UK_CONFIG_OUT)
$(call verbose_cmd,ELEMMK,libclick: $(notdir $@),\
cd $(LIBCLICK_ELEMENTS_DIR) && echo "$(LIBCLICK_FILTERED_ELEM_DIRS)" | $(LIBCLICK_BUILDTOOL) findelem -r unikraft -X $(LIBCLICK_BUILD)/elements.exclude | grep -E "^[^#]" | awk '{print "LIBCLICK_SRCS-y += $$(LIBCLICK_EXTRACTED)/elements/" $$1}' > $@)
# Generate elements.cc and add it to the build list
$(LIBCLICK_BUILD)/elements.cc: $(LIBCLICK_BUILD)/.elementsmk
$(call verbose_cmd,ELEMCC,libclick: $(notdir $@),\
echo "$(LIBCLICK_FILTERED_ELEM_DIRS)" | $(LIBCLICK_BUILDTOOL) findelem -r unikraft -p $(LIBCLICK_ELEMENTS_DIR) -X $(LIBCLICK_BUILD)/elements.exclude > $(LIBCLICK_BUILD)/.elementsconf && \
$(LIBCLICK_BUILDTOOL) elem2export < $(LIBCLICK_BUILD)/.elementsconf > $(LIBCLICK_BUILD)/elements.cc)
$(LIBCLICK_BUILD)/.cpfromtodevs: $(LIBCLICK_BUILD)/.origin
$(call verbose_cmd,ELEMCP,libclick: $(notdir $@),\
$(MKDIR) -p $(LIBCLICK_ORIGIN)/click-$(LIBCLICK_COMMIT_HASH)/elements && \
$(CP) -r $(LIBCLICK_BASE)/unikraft $(LIBCLICK_ORIGIN)/click-$(LIBCLICK_COMMIT_HASH)/elements/ && \
touch $@)
ifneq ($(CONFIG_LIBCLICK_ELEMS_UNIKRAFT),)
$(LIBCLICK_BUILD)/.prepared: $(LIBCLICK_BUILD)/.cpfromtodevs $(LIBCLICK_BUILD)/elements.cc
else
$(LIBCLICK_BUILD)/.prepared: $(LIBCLICK_BUILD)/elements.cc
endif
UK_PREPARE += $(LIBCLICK_BUILD)/.prepared
################################################################################
# App includes, compile flags
################################################################################
LIBCLICK_CINCLUDES += -I$(LIBCLICK_BASE)/include \
-I$(LIBCLICK_EXTRACTED) \
-I$(LIBCLICK_EXTRACTED)/include \
-I$(LIBLWIP_LWIP_SRCS)/include/posix
LIBCLICK_CXXINCLUDES += -I$(LIBCLICK_BASE)/include \
-I$(LIBCLICK_EXTRACTED) \
-I$(LIBCLICK_EXTRACTED)/include \
-I$(LIBLWIP_LWIP_SRCS)/include/posix
################################################################################
# Global flags
################################################################################
LIBCLICK_CFLAGS-y += -DLWIP_TIMEVAL_PRIVATE=0 -DCLICK_USERLEVEL
LIBCLICK_CXXFLAGS-y += -DLWIP_TIMEVAL_PRIVATE=0 -DCLICK_USERLEVEL -DHAVE_IP6
LIBCLICK_CXXFLAGS += -fno-exceptions -fno-rtti -std=c++11
# Suppress some warnings to make the build process look neater
LIBCLICK_SUPPRESS_FLAGS := -Wno-strict-aliasing -Wno-parentheses -Wno-pointer-arith -Wno-unused-parameter -Wno-cast-function-type
LIBCLICK_CFLAGS-y += $(LIBCLICK_SUPPRESS_FLAGS)
LIBCLICK_CXXFLAGS-y += $(LIBCLICK_SUPPRESS_FLAGS) -Wno-aligned-new -Wno-class-memaccess
################################################################################
# Unikraft <-> Click glue code
################################################################################
LIBCLICK_SRCS-y += $(LIBCLICK_BASE)/click.cc
LIBCLICK_SRCS-y += $(LIBCLICK_BASE)/stubs.cc
################################################################################
# Click sources
################################################################################
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/archive.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/args.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/atomic.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/bighashmap_arena.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/bitvector.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/confparse.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/crc32.c
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/driver.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/element.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/elemfilter.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/error.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/etheraddress.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/gaprate.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/glue.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/handlercall.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/hashallocator.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/in_cksum.c
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/integers.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/ipaddress.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/ipflowid.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/iptable.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/lexer.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/master.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/md5.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/nameinfo.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/notifier.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/packet.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/router.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/routerthread.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/routervisitor.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/straccum.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/string.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/task.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/timer.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/timerset.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/timestamp.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/variableenv.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/ip6table.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/ip6address.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/ip6flowid.cc
LIBCLICK_SRCS-y += $(LIBCLICK_EXTRACTED)/lib/selectset.cc
################################################################################
# Click elements
################################################################################
LIBCLICK_SRCS-y += $(LIBCLICK_BUILD)/elements.cc
-include $(LIBCLICK_BUILD)/.elementsmk