mirror of
https://github.com/AsahiLinux/u-boot
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f93286397e
Modifications are based on the linux kernel approach and support two use cases: 1) Add O= to the make command line 'make O=/tmp/build all' 2) Set environement variable BUILD_DIR to point to the desired location 'export BUILD_DIR=/tmp/build' 'make' The second approach can also be used with a MAKEALL script 'export BUILD_DIR=/tmp/build' './MAKEALL' Command line 'O=' setting overrides BUILD_DIR environent variable. When none of the above methods is used the local build is performed and the object files are placed in the source directory.
216 lines
5.4 KiB
Makefile
216 lines
5.4 KiB
Makefile
#
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# (C) Copyright 2000-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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BIN_FILES = img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX)
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OBJ_LINKS = environment.o crc32.o
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OBJ_FILES = img2srec.o mkimage.o envcrc.o gen_eth_addr.o bmp_logo.o
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ifeq ($(ARCH),mips)
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BIN_FILES += inca-swap-bytes$(SFX)
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OBJ_FILES += inca-swap-bytes.o
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endif
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# Don't build by default
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#ifeq ($(ARCH),ppc)
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#BIN_FILES += mpc86x_clk$(SFX)
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#OBJ_FILES += mpc86x_clk.o
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#endif
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LOGO_H = $(OBJTREE)/include/bmp_logo.h
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ifeq ($(LOGO_BMP),)
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LOGO_BMP= logos/denx.bmp
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endif
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#-------------------------------------------------------------------------
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HOSTARCH := $(shell uname -m | \
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sed -e s/i.86/i386/ \
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-e s/sun4u/sparc64/ \
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-e s/arm.*/arm/ \
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-e s/sa110/arm/ \
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-e s/powerpc/ppc/ \
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-e s/Power\ Macintosh/ppc/ \
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-e s/macppc/ppc/)
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HOSTOS := $(shell uname -s | tr A-Z a-z | \
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sed -e 's/\(cygwin\).*/cygwin/')
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TOOLSUBDIRS =
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#
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# Mac OS X / Darwin's C preprocessor is Apple specific. It
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# generates numerous errors and warnings. We want to bypass it
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# and use GNU C's cpp. To do this we pass the -traditional-cpp
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# option to the compiler. Note that the -traditional-cpp flag
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# DOES NOT have the same semantics as GNU C's flag, all it does
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# is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
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#
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# Apple's linker is similar, thanks to the new 2 stage linking
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# multiple symbol definitions are treated as errors, hence the
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# -multiply_defined suppress option to turn off this error.
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#
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ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
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HOST_CFLAGS = -traditional-cpp -Wall
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HOST_LDFLAGS =-multiply_defined suppress
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HOST_ENVIRO_CFLAGS = -traditional-cpp
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else
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ifeq ($(HOSTOS)-$(HOSTARCH),netbsd-ppc)
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HOST_CFLAGS = -Wall -pedantic
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HOST_LDFLAGS =
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HOST_ENVIRO_CFLAGS =
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#
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# Everyone else
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#
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else
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HOST_CFLAGS = -Wall -pedantic
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HOST_LDFLAGS =
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HOST_ENVIRO_CFLAGS =
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endif
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endif
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#
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# Cygwin needs .exe files :-(
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#
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ifeq ($(HOSTOS),cygwin)
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SFX = .exe
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else
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SFX =
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endif
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#
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# Include this after HOSTOS HOSTARCH check
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# so that we can act intelligently.
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#
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include $(TOPDIR)/config.mk
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# now $(obj) is defined
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SRCS := $(addprefix $(obj),$(OBJ_LINKS:.o=.c)) $(OBJ_FILES:.o=.c)
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BINS := $(addprefix $(obj),$(BIN_FILES))
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#
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# Use native tools and options
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#
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CPPFLAGS = -idirafter $(SRCTREE)/include \
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-idirafter $(OBJTREE)/include2 \
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-idirafter $(OBJTREE)/include \
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-DTEXT_BASE=$(TEXT_BASE) -DUSE_HOSTCC
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CFLAGS = $(HOST_CFLAGS) $(CPPFLAGS) -O
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AFLAGS = -D__ASSEMBLY__ $(CPPFLAGS)
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CC = $(HOSTCC)
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STRIP = $(HOSTSTRIP)
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MAKEDEPEND = makedepend
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all: $(obj).depend $(BINS) $(LOGO_H) subdirs
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$(obj)envcrc$(SFX): $(obj)envcrc.o $(obj)crc32.o $(obj)environment.o
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$(CC) $(CFLAGS) -o $@ $^
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$(obj)img2srec$(SFX): $(obj)img2srec.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)mkimage$(SFX): $(obj)mkimage.o $(obj)crc32.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)ncb$(SFX): $(obj)ncb.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)gen_eth_addr$(SFX): $(obj)gen_eth_addr.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)bmp_logo$(SFX): $(obj)bmp_logo.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)inca-swap-bytes$(SFX): $(obj)inca-swap-bytes.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)mpc86x_clk$(SFX): $(obj)mpc86x_clk.o
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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$(obj)envcrc.o: $(src)envcrc.c
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$(CC) -g $(CFLAGS) -c -o $@ $<
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$(obj)crc32.o: $(obj)crc32.c
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$(CC) -g $(CFLAGS) -c -o $@ $<
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$(obj)mkimage.o: $(src)mkimage.c
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$(CC) -g $(CFLAGS) -c -o $@ $<
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$(obj)ncb.o: $(src)ncb.c
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$(CC) -g $(CFLAGS) -c -o $@ $<
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$(obj)gen_eth_addr.o: $(src)gen_eth_addr.c
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$(CC) -g $(CFLAGS) -c -o $@ $<
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$(obj)inca-swap-bytes.o: $(src)inca-swap-bytes.c
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$(CC) -g $(CFLAGS) -c -o $@ $<
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$(obj)mpc86x_clk.o: $(src)mpc86x_clk.c
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$(CC) -g $(CFLAGS) -c -o $@ $<
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subdirs:
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ifeq ($(TOOLSUBDIRS),)
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@:
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else
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@for dir in $(TOOLSUBDIRS) ; do \
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$(MAKE) \
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HOSTOS=$(HOSTOS) \
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HOSTARCH=$(HOSTARCH) \
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HOST_CFLAGS="$(HOST_CFLAGS)" \
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HOST_LDFLAGS="$(HOST_LDFLAGS)" \
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-C $$dir || exit 1 ; \
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done
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endif
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$(obj)environment.c:
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@rm -f $(obj)environment.c
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ln -s $(src)../common/environment.c $(obj)environment.c
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$(obj)environment.o: $(obj)environment.c
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$(CC) -g $(HOST_ENVIRO_CFLAGS) $(CPPFLAGS) -c -o $@ $<
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$(obj)crc32.c:
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@rm -f $(obj)crc32.c
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ln -s $(src)../lib_generic/crc32.c $(obj)crc32.c
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$(LOGO_H): $(obj)bmp_logo $(LOGO_BMP)
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$(obj)./bmp_logo $(LOGO_BMP) >$@
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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