7ed0b97414
For incremental compilation, skip the stage 1 dummy link operation if nuttx elf has been generated Signed-off-by: chao.an <anchao@xiaomi.com>
233 lines
6.4 KiB
Makefile
233 lines
6.4 KiB
Makefile
############################################################################
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# arch/arm/src/Makefile
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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 $(TOPDIR)/Make.defs
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include chip/Make.defs
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ifeq ($(CONFIG_ARCH_ARMV7A),y) # ARMv7-A
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ARCH_SUBDIR = armv7-a
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else ifeq ($(CONFIG_ARCH_ARMV7R),y) # ARMv7-R
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ARCH_SUBDIR = armv7-r
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else ifeq ($(CONFIG_ARCH_ARMV7M),y) # ARMv7-M
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ARCH_SUBDIR = armv7-m
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else ifeq ($(CONFIG_ARCH_ARMV8M),y) # ARMv8-M
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ARCH_SUBDIR = armv8-m
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else ifeq ($(CONFIG_ARCH_ARMV6M),y) # ARMv6-M
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ARCH_SUBDIR = armv6-m
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else # ARM9, ARM7TDMI, etc.
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ARCH_SUBDIR = arm
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endif
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ARCH_SRCDIR = $(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)chip}
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)common}
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(ARCH_SRCDIR)$(DELIM)$(ARCH_SUBDIR)}
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INCLUDES += ${shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)sched}
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CPPFLAGS += $(INCLUDES)
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CFLAGS += $(INCLUDES)
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CXXFLAGS += $(INCLUDES)
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AFLAGS += $(INCLUDES)
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ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
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NUTTX = "${shell cygpath -w $(TOPDIR)$(DELIM)nuttx$(EXEEXT)}"
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else
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NUTTX = "$(TOPDIR)$(DELIM)nuttx$(EXEEXT)"
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endif
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# Additional rules for system call wrapper
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ifeq ($(CONFIG_SCHED_INSTRUMENTATION_SYSCALL),y)
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EXTRALINKCMDS += @$(TOPDIR)/syscall/syscall_wraps.ldcmd
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endif
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# The "head" object
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HEAD_OBJ = $(HEAD_ASRC:.S=$(OBJEXT))
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STARTUP_OBJS ?= $(HEAD_OBJ)
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# Flat build or kernel-mode objects
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ASRCS = $(CHIP_ASRCS) $(CMN_ASRCS)
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AOBJS = $(ASRCS:.S=$(OBJEXT))
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CSRCS = $(CHIP_CSRCS) $(CMN_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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# User-mode objects
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UASRCS = $(CHIP_UASRCS) $(CMN_UASRCS)
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UAOBJS = $(UASRCS:.S=$(OBJEXT))
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UCSRCS = $(CHIP_UCSRCS) $(CMN_UCSRCS)
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UCOBJS = $(UCSRCS:.c=$(OBJEXT))
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USRCS = $(UASRCS) $(UCSRCS)
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UOBJS = $(UAOBJS) $(UCOBJS)
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KBIN = libkarch$(LIBEXT)
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BIN = libarch$(LIBEXT)
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LDFLAGS += $(ARCHSCRIPT) $(EXTRALINKCMDS)
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# Override in Make.defs if linker is not 'ld'
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LDSTARTGROUP ?= --start-group
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LDENDGROUP ?= --end-group
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BOARDMAKE = $(if $(wildcard board$(DELIM)Makefile),y,)
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ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
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LIBPATHS += -L"${shell cygpath -w "$(TOPDIR)$(DELIM)staging"}"
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ifeq ($(BOARDMAKE),y)
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LIBPATHS += -L"${shell cygpath -w "$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board"}"
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endif
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else
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LIBPATHS += -L"$(TOPDIR)$(DELIM)staging"
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ifeq ($(BOARDMAKE),y)
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LIBPATHS += -L"$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board"
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endif
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endif
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LDLIBS = $(patsubst %.a,%,$(patsubst lib%,-l%,$(LINKLIBS)))
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ifeq ($(BOARDMAKE),y)
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LDLIBS += -lboard
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endif
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VPATH += chip
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VPATH += common
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VPATH += $(ARCH_SUBDIR)
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ifeq ($(CONFIG_ARCH_TOOLCHAIN_IAR),y)
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VPATH += $(ARCH_SUBDIR)$(DELIM)iar
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else # ifeq ($(CONFIG_ARCH_TOOLCHAIN_GNU),y)
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VPATH += $(ARCH_SUBDIR)$(DELIM)gnu
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endif
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all: $(HEAD_OBJ) $(BIN)
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.PHONY: board$(DELIM)libboard$(LIBEXT)
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$(AOBJS) $(UAOBJS) $(HEAD_OBJ): %$(OBJEXT): %.S
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$(call ASSEMBLE, $<, $@)
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$(COBJS) $(UCOBJS): %$(OBJEXT): %.c
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$(call COMPILE, $<, $@)
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ifeq ($(CONFIG_BUILD_FLAT),y)
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$(BIN): $(OBJS)
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$(call ARCHIVE, $@, $(OBJS))
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else
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$(BIN): $(UOBJS)
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$(call ARCHIVE, $@, $(UOBJS))
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endif
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$(KBIN): $(OBJS)
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$(call ARCHIVE, $@, $(OBJS))
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board$(DELIM)libboard$(LIBEXT):
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$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
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define LINK_ALLSYMS
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$(Q) $(TOPDIR)/tools/mkallsyms.sh $(NUTTX) $(CROSSDEV) > allsyms.tmp
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$(Q) $(call COMPILE, -x c allsyms.tmp, allsyms$(OBJEXT))
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$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
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-o $(NUTTX) $(filter-out board/libboard$(LIBEXT), $1) allsyms$(OBJEXT) $(EXTRA_OBJS) \
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$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
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$(Q) $(call DELFILE, allsyms.tmp allsyms$(OBJEXT))
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endef
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nuttx$(EXEEXT): $(HEAD_OBJ) board$(DELIM)libboard$(LIBEXT)
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$(Q) echo "LD: nuttx"
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ifneq ($(CONFIG_ALLSYMS),y)
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$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
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-o $(NUTTX) $(HEAD_OBJ) $(EXTRA_OBJS) \
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$(LDSTARTGROUP) $(LDLIBS) $(EXTRA_LIBS) $(LDENDGROUP)
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else
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$(Q) # Link and generate default table
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$(Q) $(if $(wildcard $(shell echo $(NUTTX))),,$(call LINK_ALLSYMS,$^))
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$(Q) # Extract all symbols
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$(Q) $(call LINK_ALLSYMS, $^)
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$(Q) # Extract again since the table offset may changed
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$(Q) $(call LINK_ALLSYMS, $^)
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endif
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ifneq ($(CONFIG_WINDOWS_NATIVE),y)
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$(Q) $(NM) $(NUTTX) | \
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grep -v '\(compiled\)\|\(\$(OBJEXT)$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
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sort > $(TOPDIR)$(DELIM)System.map
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endif
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# This is part of the top-level export target
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# Note that there may not be a head object if layout is handled
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# by the linker configuration.
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export_startup: board$(DELIM)libboard$(LIBEXT) $(STARTUP_OBJS)
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ifneq ($(STARTUP_OBJS),)
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$(Q) if [ -d "$(EXPORT_DIR)$(DELIM)startup" ]; then \
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cp -f $(STARTUP_OBJS) "$(EXPORT_DIR)$(DELIM)startup$(DELIM)."; \
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else \
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echo "$(EXPORT_DIR)$(DELIM)startup does not exist"; \
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exit 1; \
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fi
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endif
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# Dependencies
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makedepfile: $(CSRCS:.c=.ddc) $(ASRCS:.S=.dds) $(HEAD_ASRC:.S=.dds)
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$(call CATFILE, Make.dep, $^)
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$(call DELFILE, $^)
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.depend: Makefile chip$(DELIM)Make.defs $(SRCS) $(TOPDIR)$(DELIM).config
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ifeq ($(BOARDMAKE),y)
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$(Q) $(MAKE) -C board depend
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endif
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$(Q) $(MAKE) makedepfile DEPPATH="$(patsubst %,--dep-path %,$(subst :, ,$(VPATH)))"
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$(Q) touch $@
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depend: .depend
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context::
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clean:
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ifeq ($(BOARDMAKE),y)
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$(Q) $(MAKE) -C board clean
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endif
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$(call DELFILE, $(KBIN))
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$(call DELFILE, $(BIN))
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ifneq ($(EXTRADELFILE),)
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$(call DELFILE, $(EXTRADELFILE))
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endif
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$(call CLEAN)
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distclean:: clean
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ifeq ($(BOARDMAKE),y)
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$(Q) $(MAKE) -C board distclean
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endif
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$(call DELFILE, Make.dep)
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$(call DELFILE, .depend)
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-include Make.dep
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