On Nov 18, 8:27=A0pm, "tamamontu" <pkm_munot1@n_o_s_p_a_m.hotmail.com>
wrote:
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> if i remove -lc flag then it complains that it cannot find
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> Can any one please tell me how to link to standard libraries.
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> Can some one please help.
The -lc flag tells the linker to search the standard libraries.
Reply by tamamontu●November 19, 20102010-11-19
Hi Guys,
Problem in linking my source code which uses std libraries like stdio,
string, stdlib using arm-linux-ld
my make file looks like this
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TOPDIR := $(shell /bin/pwd)
export TOPDIR
export CC=arm-linux-gcc
export LD=arm-linux-ld
OBJCOPY=arm-linux-objcopy
OBJDUMP=arm-linux-objdump
export TOP_CFLAGS= -O2 -Wall -fPIC -mcpu=arm9tdmi -I../include
export LDFLAGS = -T SDcard_bootloader_fat16.lnk -Map
SDcard_bootloader_fat16.map -L/usr/local/arm/4.1.1-920t/lib -lc
ASFLAGS =
SDcard_bootloader:
make -C main
$(LD) $(LDFLAGS) -o SDcard_bootloader_fat16.elf main/mainrom.o
$(OBJCOPY) -j rom -O binary SDcard_bootloader_fat16.elf
SDcard_bootloader_fat16.bin
$(OBJDUMP) -D SDcard_bootloader_fat16.elf > SDcard_bootloader_fat16.diss
clean:
make clean -C main
rm -f $(OBJS) SDcard_bootloader_fat16.bin SDcard_bootloader_fat16.elf
SDcard_bootloader_fat16.diss SDcard_bootloader_fat16.map
------------------------------------------------------------------------------
if i remove -lc flag then it complains that it cannot find
main/mainrom.o: In function `start_C':
sd_raw.c:(rom+0x208): undefined reference to `puts'
main/mainrom.o: In function `myputhex':
sd_raw.c:(rom+0x338): undefined reference to `memcpy'
make: *** [SDcard_bootloader] Error 1
Can any one please tell me how to link to standard libraries.
I tried tow different version of tool chains
arm-linux-gcc 3.4.3
arm-linux-gcc 4.1.1
But no luck with any one of thoes.
Can some one please help.
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