233 lines
6.9 KiB
Makefile
233 lines
6.9 KiB
Makefile
############################################################################
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# libs/libc/Makefile
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#
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# Copyright (C) 2007-2014, 2016-2017, 2019 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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###########################################################################
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-include $(TOPDIR)/Make.defs
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# CFLAGS
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ifneq ($(CONFIG_BUILD_FLAT),y)
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KDEFINE = ${shell $(DEFINE) "$(CC)" __KERNEL__}
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endif
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# Sources and paths
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ASRCS =
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CSRCS =
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DEPPATH := --dep-path .
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VPATH := .
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include aio/Make.defs
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include audio/Make.defs
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include builtin/Make.defs
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include dirent/Make.defs
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include dlfcn/Make.defs
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include endian/Make.defs
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include fixedmath/Make.defs
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include grp/Make.defs
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include hex2bin/Make.defs
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include inttypes/Make.defs
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include libgen/Make.defs
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include locale/Make.defs
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include lzf/Make.defs
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include machine/Make.defs
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include math/Make.defs
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include misc/Make.defs
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include modlib/Make.defs
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include net/Make.defs
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include netdb/Make.defs
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include pthread/Make.defs
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include pwd/Make.defs
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include queue/Make.defs
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include sched/Make.defs
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include semaphore/Make.defs
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include signal/Make.defs
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include spawn/Make.defs
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include stdio/Make.defs
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include stdlib/Make.defs
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include string/Make.defs
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include symtab/Make.defs
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include syslog/Make.defs
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include termios/Make.defs
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include time/Make.defs
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include tls/Make.defs
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include uio/Make.defs
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include unistd/Make.defs
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include userfs/Make.defs
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include wchar/Make.defs
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include wctype/Make.defs
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include wqueue/Make.defs
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# Rule for the symbol table generation
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MKSYMTAB = $(TOPDIR)$(DELIM)tools$(DELIM)mksymtab$(HOSTEXEEXT)
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$(MKSYMTAB):
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$(Q) $(MAKE) -C $(TOPDIR)$(DELIM)tools -f Makefile.host mksymtab
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# C library and math library symbols should be available in the FLAT
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# and PROTECTED builds. KERNEL builds are separately linked and so should
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# not need symbol tables.
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CSVFILES = $(TOPDIR)$(DELIM)libs$(DELIM)libc$(DELIM)libc.csv
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CSVFILES += $(TOPDIR)$(DELIM)libs$(DELIM)libc$(DELIM)math.csv
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# In the PROTECTED and KERNEL builds, the applications could link with
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# libproxy which will provide symbol-compatible access to OS functions
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# via a call gate, but the applications which link with these functions
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# directly could remove the repeat proxy code to save the space.
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CSVFILES += $(TOPDIR)$(DELIM)syscall$(DELIM)syscall.csv
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ifeq ($(CONFIG_EXECFUNCS_SYSTEM_SYMTAB),y)
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exec_symtab.c : $(CSVFILES) $(MKSYMTAB)
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$(Q) cat $(CSVFILES) | LC_ALL=C sort >$@.csv
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$(Q) $(MKSYMTAB) $@.csv $@ $(CONFIG_EXECFUNCS_SYMTAB_ARRAY) $(CONFIG_EXECFUNCS_NSYMBOLS_VAR)
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$(Q) rm -f $@.csv
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CSRCS += exec_symtab.c
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endif
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ifeq ($(CONFIG_MODLIB_SYSTEM_SYMTAB),y)
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modlib_symtab.c : $(CSVFILES) $(MKSYMTAB)
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$(Q) cat $(CSVFILES) | LC_ALL=C sort >$@.csv
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$(Q) $(MKSYMTAB) $@.csv $@ $(CONFIG_MODLIB_SYMTAB_ARRAY) $(CONFIG_MODLIB_NSYMBOLS_VAR)
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$(Q) rm -f $@.csv
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CSRCS += modlib_symtab.c
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endif
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# REVISIT: Backslash causes problems in $(COBJS) target
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DELIM := $(strip /)
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BINDIR ?= bin
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AOBJS = $(patsubst %.S, $(BINDIR)$(DELIM)%$(OBJEXT), $(ASRCS))
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COBJS = $(patsubst %.c, $(BINDIR)$(DELIM)%$(OBJEXT), $(CSRCS))
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SRCS = $(ASRCS) $(CSRCS)
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OBJS = $(AOBJS) $(COBJS)
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UBIN = libuc$(LIBEXT)
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KBIN = libkc$(LIBEXT)
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BIN ?= libc$(LIBEXT)
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all: $(BIN)
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.PHONY: clean distclean
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$(AOBJS): $(BINDIR)$(DELIM)%$(OBJEXT): %.S
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$(call ASSEMBLE, $<, $@)
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$(call MOVEOBJ,$(patsubst $(BINDIR)$(DELIM)%$(OBJEXT),%,$@),$(BINDIR))
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$(COBJS): $(BINDIR)$(DELIM)%$(OBJEXT): %.c
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$(call COMPILE, $<, $@)
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$(call MOVEOBJ,$(patsubst $(BINDIR)$(DELIM)%$(OBJEXT),%,$@),$(BINDIR))
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# C library for the flat build
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$(BIN): $(OBJS)
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$(call ARCHIVE, $@, $(OBJS))
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ifeq ($(CONFIG_LIB_ZONEINFO_ROMFS),y)
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$(Q) $(MAKE) -C zoneinfo all TOPDIR=$(TOPDIR) BIN=$(BIN)
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endif
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# C library for the user phase of the two-pass kernel build
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ifneq ($(BIN),$(UBIN))
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$(UBIN):
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$(Q) $(MAKE) $(UBIN) BIN=$(UBIN) BINDIR=ubin TOPDIR=$(TOPDIR) EXTRADEFINES=$(EXTRADEFINES)
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endif
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# C library for the kernel phase of the two-pass kernel build
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ifneq ($(BIN),$(KBIN))
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$(KBIN):
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$(Q) $(MAKE) $(KBIN) BIN=$(KBIN) BINDIR=kbin TOPDIR=$(TOPDIR) EXTRADEFINES=$(EXTRADEFINES)
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endif
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# Context
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context:
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ifeq ($(CONFIG_LIB_ZONEINFO_ROMFS),y)
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$(Q) $(MAKE) -C zoneinfo context TOPDIR=$(TOPDIR) BIN=$(BIN)
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endif
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# Dependencies
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.depend: Makefile $(SRCS)
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ifeq ($(CONFIG_BUILD_FLAT),y)
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$(Q) $(MKDEP) --obj-path bin --obj-suffix $(OBJEXT) $(DEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >bin/Make.dep
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else
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$(Q) $(MKDEP) --obj-path ubin --obj-suffix $(OBJEXT) $(DEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >ubin/Make.dep
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$(Q) $(MKDEP) --obj-path kbin --obj-suffix $(OBJEXT) $(DEPPATH) "$(CC)" -- $(CFLAGS) $(KDEFINE) -- $(SRCS) >kbin/Make.dep
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endif
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ifeq ($(CONFIG_LIB_ZONEINFO_ROMFS),y)
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$(Q) $(MAKE) -C zoneinfo depend TOPDIR=$(TOPDIR) BIN=$(BIN)
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endif
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$(Q) touch $@
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depend: .depend
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# Clean most derived files, retaining the configuration
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clean:
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$(Q) $(MAKE) -C bin clean TOPDIR=$(TOPDIR)
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$(Q) $(MAKE) -C ubin clean TOPDIR=$(TOPDIR)
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$(Q) $(MAKE) -C kbin clean TOPDIR=$(TOPDIR)
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$(Q) $(MAKE) -C zoneinfo clean TOPDIR=$(TOPDIR) BIN=$(BIN)
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$(call DELFILE, $(BIN))
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$(call DELFILE, $(UBIN))
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$(call DELFILE, $(KBIN))
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$(call CLEAN)
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# Deep clean -- removes all traces of the configuration
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distclean: clean
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$(Q) $(MAKE) -C bin distclean TOPDIR=$(TOPDIR)
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$(Q) $(MAKE) -C ubin distclean TOPDIR=$(TOPDIR)
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$(Q) $(MAKE) -C kbin distclean TOPDIR=$(TOPDIR)
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$(Q) $(MAKE) -C zoneinfo distclean TOPDIR=$(TOPDIR) BIN=$(BIN)
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$(call DELFILE, bin/Make.dep)
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$(call DELFILE, ubin/Make.dep)
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$(call DELFILE, kbin/Make.dep)
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$(call DELFILE, .depend)
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-include bin/Make.dep
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-include ubin/Make.dep
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-include kbin/Make.dep
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