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.
155 lines
3.5 KiB
Makefile
155 lines
3.5 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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ifeq ($(ARCH),ppc)
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LOAD_ADDR = 0x40000
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endif
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ifeq ($(ARCH),i386)
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LOAD_ADDR = 0x40000
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endif
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ifeq ($(ARCH),arm)
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LOAD_ADDR = 0xc100000
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endif
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ifeq ($(ARCH),mips)
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LOAD_ADDR = 0x80200000 -T mips.lds
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endif
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ifeq ($(ARCH),nios)
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LOAD_ADDR = 0x00800000 -L $(gcclibdir)/m32 -T nios.lds
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endif
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ifeq ($(ARCH),nios2)
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LOAD_ADDR = 0x02000000 -L $(gcclibdir) -T nios2.lds
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endif
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ifeq ($(ARCH),m68k)
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LOAD_ADDR = 0x20000 -L $(clibdir)
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endif
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ifeq ($(ARCH),microblaze)
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LOAD_ADDR = 0x80F00000
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endif
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ifeq ($(ARCH),blackfin)
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LOAD_ADDR = 0x1000
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endif
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include $(TOPDIR)/config.mk
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SREC = hello_world.srec
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BIN = hello_world.bin hello_world
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ifeq ($(CPU),mpc8xx)
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SREC = test_burst.srec
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BIN = test_burst.bin test_burst
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endif
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ifeq ($(ARCH),i386)
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SREC += 82559_eeprom.srec
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BIN += 82559_eeprom.bin 82559_eeprom
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endif
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ifeq ($(ARCH),ppc)
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SREC += sched.srec
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BIN += sched.bin sched
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endif
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ifeq ($(ARCH),blackfin)
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SREC += smc91111_eeprom.srec
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BIN += smc91111_eeprom.bin smc91111_eeprom
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endif
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# The following example is pretty 8xx specific...
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ifeq ($(CPU),mpc8xx)
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SREC += timer.srec
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BIN += timer.bin timer
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endif
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# The following example is 8260 specific...
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ifeq ($(CPU),mpc8260)
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SREC += mem_to_mem_idma2intr.srec
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BIN += mem_to_mem_idma2intr.bin mem_to_mem_idma2intr
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endif
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# Utility for resetting i82559 EEPROM
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ifeq ($(BOARD),oxc)
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SREC += eepro100_eeprom.srec
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BIN += eepro100_eeprom.bin eepro100_eeprom
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endif
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ifeq ($(BIG_ENDIAN),y)
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EX_LDFLAGS += -EB
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endif
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COBJS := $(SREC:.srec=.o)
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LIB = $(obj)libstubs.a
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LIBAOBJS=
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ifeq ($(ARCH),ppc)
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LIBAOBJS+= $(ARCH)_longjmp.o $(ARCH)_setjmp.o
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endif
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ifeq ($(CPU),mpc8xx)
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LIBAOBJS+= test_burst_lib.o
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endif
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LIBCOBJS= stubs.o
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LIBOBJS = $(addprefix $(obj),$(LIBAOBJS) $(LIBCOBJS))
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SRCS := $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(if $(LIBAOBJS),$(LIBAOBJS:.o=.S))
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OBJS := $(addprefix $(obj),$(COBJS))
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BIN := $(addprefix $(obj),$(BIN))
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SREC := $(addprefix $(obj),$(SREC))
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gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
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clibdir := $(shell dirname `$(CC) $(CFLAGS) -print-file-name=libc.a`)
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CPPFLAGS += -I..
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all: $(obj).depend $(OBJS) $(LIB) $(SREC) $(BIN)
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#########################################################################
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$(LIB): $(obj).depend $(LIBOBJS)
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$(AR) crv $@ $(LIBOBJS)
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$(obj)%: $(obj)%.o $(LIB)
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$(LD) -g $(EX_LDFLAGS) -Ttext $(LOAD_ADDR) \
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-o $@ -e $(notdir $(<:.o=)) $< $(LIB) \
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-L$(gcclibdir) -lgcc
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$(obj)%.srec: $(obj)%
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$(OBJCOPY) -O srec $< $@ 2>/dev/null
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$(obj)%.bin: $(obj)%
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$(OBJCOPY) -O binary $< $@ 2>/dev/null
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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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