Yagarto/Eclipse Error

hi,
When i tried to build my project an error occurs 
"C:\Eclipseworkspace\test2/startup.s:89: multiple definition of 
`_start'", i can't solve this error.
Any suggestion?
Thank you in advance, and i apologize my english isn't great.
Best regards.

Mini

My error :
"  **** Build of configuration Default for project test2 ****

make all
-------- begin --------
arm-none-eabi-gcc (GCC) 4.6.2
Copyright (C) 2011 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is 
NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR 
PURPOSE.

arm-none-eabi-gcc -g -Os -std=gnu89 -TSTR91x-ROM.ld -I . -I ./STCode -I 
../../Common/drivers/ST/STR91xFWLib/v2.0/inc -D STR91X_GCC 
-mcpu=arm966e-s  startup.s
C:\DOCUME~1\ACM\LOCALS~1\Temp\cc8JRMv2.o: In function `_start':
C:\Eclipseworkspace\test2/startup.s:89: multiple definition of `_start'
c:/program 
files/yagarto/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-ea 
bi/lib/crt0.o:C:\msys\1.0\home\yagarto\newlib-build\arm-none-eabi\libglo 
ss\arm/../../../../newlib-1.19.0/libgloss/arm/crt0.S:83:  first defined 
here
C:\DOCUME~1\ACM\LOCALS~1\Temp\cc8JRMv2.o: In function `skip_initialise':
C:\Eclipseworkspace\test2/startup.s:205: undefined reference to `main'
c:/program 
files/yagarto/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-ea 
bi/lib/crt0.o:  In function `start':
(.text+0xe0): undefined reference to `main'
c:/program 
files/yagarto/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-ea 
bi/lib\libg.a(lib_a-exit.o):  In function `exit':
C:\msys\1.0\home\yagarto\newlib-build\arm-none-eabi\newlib\libc\stdlib/. 
./../../../../newlib-1.19.0/newlib/libc/stdlib/exit.c:65:  undefined 
reference to `_exit'
collect2: ld returned 1 exit status
make: *** [test2.axf] Error 1  "