ddc3119c4e
Revert "Parallelize depend file generation"
This reverts commit d5b6ec450f.
parallel depend ddc does not significantly speed up compilation,
intermediately generated .ddc files can cause problems if compilation is interrupted unexpectedly
Signed-off-by: xuxin19 <xuxin19@xiaomi.com>
216 lines
6.0 KiB
Makefile
216 lines
6.0 KiB
Makefile
############################################################################
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# libs/libc/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 aio/Make.defs
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include assert/Make.defs
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include audio/Make.defs
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include builtin/Make.defs
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include ctype/Make.defs
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include dirent/Make.defs
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include dlfcn/Make.defs
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include errno/Make.defs
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include eventfd/Make.defs
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include fixedmath/Make.defs
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include gdbstub/Make.defs
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include grp/Make.defs
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include gpsutils/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 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 obstack/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 regex/Make.defs
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include sched/Make.defs
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include search/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 stream/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 uuid/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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include fdt/Make.defs
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# Use double delim to fix windows native build and give an error:
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# makefile:132: *** target mode do not include“%”. stop.
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#
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# In Windows environment DELIM := $(strip \) but \ has two role:
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# first: \ as directory, and second \ as Escape character, Reference:
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#
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# https://github.com/apache/nuttx/pull/7572#discussion_r1028219229
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ifeq ($(CONFIG_WINDOWS_NATIVE),y)
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DELIMS = $(DELIM)$(DELIM)
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else
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DELIMS = $(DELIM)
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endif
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CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)libs$(DELIM)libc
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AFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)libs$(DELIM)libc
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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$(DELIM)libm$(DELIM)libm.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_sys_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_sys_symtab.c
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endif
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BINDIR ?= bin
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AOBJS = $(patsubst %.S, $(BINDIR)$(DELIMS)%$(OBJEXT), $(ASRCS))
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COBJS = $(patsubst %.c, $(BINDIR)$(DELIMS)%$(OBJEXT), $(CSRCS))
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SRCS = $(ASRCS) $(CSRCS)
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OBJS = $(AOBJS) $(COBJS)
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KBIN = libkc$(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): $(BINDIR)$(DELIMS)%$(OBJEXT): %.S
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$(call ASSEMBLE, $<, $@)
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# REVISIT: Backslash causes problems in $(COBJS) target
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$(COBJS): $(BINDIR)$(DELIMS)%$(OBJEXT): %.c
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$(call COMPILE, $<, $@)
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# C library for the flat build and
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# the user phase of the two-pass kernel build
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$(BIN): $(OBJS)
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$(call ARCHIVE, $@, $(OBJS))
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ifeq ($(CONFIG_LIBC_ZONEINFO_ROMFS),y)
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$(Q) $(MAKE) -C zoneinfo all BIN=$(BIN)
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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): $(OBJS)
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$(Q) $(MAKE) $(KBIN) BIN=$(KBIN) EXTRAFLAGS="$(EXTRAFLAGS)"
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endif
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# Context
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context::
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ifeq ($(CONFIG_LIBC_ZONEINFO_ROMFS),y)
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$(Q) $(MAKE) -C zoneinfo context BIN=$(BIN)
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endif
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# Dependencies
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.depend: Makefile $(SRCS) $(TOPDIR)$(DELIM).config
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$(Q) $(MKDEP) --obj-path bin --obj-suffix $(OBJEXT) $(DEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >bin/Make.dep
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ifneq ($(CONFIG_BUILD_FLAT),y)
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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_LIBC_ZONEINFO_ROMFS),y)
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$(Q) $(MAKE) -C zoneinfo depend BIN=$(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) $(MAKE) -C bin clean
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$(Q) $(MAKE) -C kbin clean
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$(Q) $(MAKE) -C zoneinfo clean BIN=$(BIN)
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$(call DELFILE, $(BIN))
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$(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) $(MAKE) -C bin distclean
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$(Q) $(MAKE) -C kbin distclean
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$(Q) $(MAKE) -C zoneinfo distclean BIN=$(BIN)
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$(call DELFILE, exec_symtab.c)
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$(call DELFILE, bin$(DELIM)Make.dep)
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$(call DELFILE, kbin$(DELIM)Make.dep)
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$(call DELFILE, .depend)
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-include bin$(DELIM)Make.dep
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-include kbin$(DELIM)Make.dep
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