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c027e7c3e4
During the Toybox port to NuttX, Claude noticed that changes in the menuconfig weren't taking affect. This issue exists for a long time on NuttX, in fact BayLibre's presentation from 2017 make jokes about our building system not been reliable: https://www.youtube.com/watch?v=XUJK2htXxKw&t=320s Stale archive members from $(AR)'s additive-only behavior can linger after Kconfig toggles change which files provide a symbol, causing dead weight or "multiple definition" link errors on incremental builds. Fixed by splitting ARCHIVE into two macros: ARCHIVE keeps the original additive behavior for apps/libapps.a, which many independent subdirectories contribute to across a build, while the new ARCHIVE_REBUILD deletes then archives for the far more common case of a single Makefile building its own self-contained $(OBJS) - all 39 such call sites now use it. Assisted-By: Claude Sonnet 5 Signed-off-by: Alan C. Assis <acassis@gmail.com>
112 lines
2.7 KiB
Makefile
112 lines
2.7 KiB
Makefile
############################################################################
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# net/Makefile
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################
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include $(TOPDIR)/Make.defs
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ifeq ($(CONFIG_NET),y)
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# Basic networking support
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NET_CSRCS = net_initialize.c
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include socket/Make.defs
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include inet/Make.defs
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include ipfrag/Make.defs
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include netdev/Make.defs
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include arp/Make.defs
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include icmp/Make.defs
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include icmpv6/Make.defs
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include neighbor/Make.defs
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include igmp/Make.defs
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include pkt/Make.defs
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include local/Make.defs
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include rpmsg/Make.defs
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include mld/Make.defs
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include can/Make.defs
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include netlink/Make.defs
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include tcp/Make.defs
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include udp/Make.defs
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include sixlowpan/Make.defs
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include bluetooth/Make.defs
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include ieee802154/Make.defs
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include devif/Make.defs
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include ipfilter/Make.defs
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include ipforward/Make.defs
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include nat/Make.defs
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include netfilter/Make.defs
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include route/Make.defs
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include procfs/Make.defs
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include usrsock/Make.defs
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include utils/Make.defs
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endif
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CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)net
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ASRCS = $(SOCK_ASRCS) $(NETDEV_ASRCS) $(NET_ASRCS)
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AOBJS = $(ASRCS:.S=$(OBJEXT))
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CSRCS = $(SOCK_CSRCS) $(NETDEV_CSRCS) $(NET_CSRCS)
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COBJS = $(CSRCS:.c=$(OBJEXT))
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SRCS = $(ASRCS) $(CSRCS)
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OBJS = $(AOBJS) $(COBJS)
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ifeq ($(CONFIG_NET_NO_LTO),y)
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CFLAGS += -fno-lto
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endif
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BIN = libnet$(LIBEXT)
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all: $(BIN)
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.PHONY: depend clean distclean
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$(AOBJS): %$(OBJEXT): %.S
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$(call ASSEMBLE, $<, $@)
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$(COBJS): %$(OBJEXT): %.c
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$(call COMPILE, $<, $@)
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$(BIN): $(OBJS)
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$(call ARCHIVE_REBUILD, $@, $(OBJS))
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makedepfile: $(CSRCS:.c=.ddc) $(ASRCS:.S=.dds)
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$(call CATFILE, Make.dep, $^)
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$(call DELFILE, $^)
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.depend: Makefile $(SRCS) $(TOPDIR)$(DELIM).config
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ifeq ($(CONFIG_NET),y)
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$(Q) $(MAKE) makedepfile
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endif
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$(Q) touch $@
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depend: .depend
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clean:
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$(call DELFILE, $(BIN))
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$(call CLEAN)
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distclean: clean
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$(call DELFILE, $(CSRCS:.c=.ddc) $(ASRCS:.S=.dds))
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$(call DELFILE, Make.dep)
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$(call DELFILE, .depend)
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-include Make.dep
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