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https://github.com/AsahiLinux/u-boot
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52b1bf2c5c
Many (especially ARM) tool chains seem to come with broken or otherwise unusable (for the purposes of builing U-Boot) run-time support libraries `libgcc.a'. By using the "USE_PRIVATE_LIBGCC" setting we allow to use alternative libraries instead. "USE_PRIVATE_LIBGCC" can either be set as an environment variable in the shell, or as a command line argument when running "make", i. e. $ make USE_PRIVATE_LIBGCC=yes or $ USE_PRIVATE_LIBGCC=yes $ export USE_PRIVATE_LIBGCC $ make The value of "USE_PRIVATE_LIBGCC" is the name of the directory which contains the alternative run-time support library `libgcc.a'. The special value "yes" selects the directory $(OBJTREE)/lib_$(ARCH) . Note that not all architectures provide an alternative `libgcc.a' in their lib_$(ARCH) directories - so far, only ARM does. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Prafulla Wadaskar <prafulla@marvell.com> cc: Stefan Roese <sr@denx.de>
72 lines
2.1 KiB
Makefile
72 lines
2.1 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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include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(BOARD).a
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COBJS := trab.o flash.o vfd.o cmd_trab.o memory.o tsc2000.o auto_update.o
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SOBJS := lowlevel_init.o
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COBJS_FKT := trab_fkt.o rs485.o tsc2000.o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) $(COBJS_FKT:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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SOBJS := $(addprefix $(obj),$(SOBJS))
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OBJS_FKT := $(addprefix $(obj),$(COBJS_FKT))
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LOAD_ADDR = 0xc100000
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#########################################################################
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all: $(LIB) $(obj)trab_fkt.srec $(obj)trab_fkt.bin
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$(LIB): $(obj).depend $(OBJS) $(SOBJS)
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$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
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$(obj)trab_fkt.srec: $(OBJS_FKT) $(LIB)
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$(LD) -g -Ttext $(LOAD_ADDR) -o $(<:.o=) -e trab_fkt $^ $(LIB) \
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-L$(obj)../../examples/standalone -lstubs \
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-L$(obj)../../lib_generic -lgeneric \
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$(obj)../../lib_arm/div0.o \
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$(PLATFORM_LIBS)
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$(OBJCOPY) -O srec $(<:.o=) $@
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$(obj)trab_fkt.bin: $(obj)trab_fkt.srec
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$(OBJCOPY) -I srec -O binary $< $@
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clean:
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rm -f $(SOBJS) $(OBJS) $(OBJS_FKT)
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distclean: clean
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rm -f $(LIB) core *.bak $(obj).depend
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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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