GNU link error with code sourcery

[vika vika]

  Hi ,
  I have done fo;owing steps to install codesourcery elf version 
  1) Installed in D:\CS 
  2) Path for D:\CS\bin got set automaticaly 
  3) My target processor is coldfire 5275
  Tried to compile some source code with following options but got these linking errors
   
   
  CF2_CC := m68k-coff-gcc -m5200 -gstabs -I$(All my source code include path) 
  $(All OBJS): %.o: ./path/%.c
  $(CF2_CC) -c $(my header inclede paths) -Wa,-adhls=$*.ls -o $@ $<
   
  gnutest.obj: $(MORE) linkfile.ld 
  $(CF2_CC) -m5200 -Tlinkfile.ld -nostartfiles -o $@ $(All OBJS) 
   
   
   
  makebuf.c:(.text+0xba): undefined reference to `isatty'
  d:/cs/bin/../lib/gcc/m68k-elf/4.1.1/../../../../m68k-elf/lib\libc.a(sbrkr.o): In function `_sbrk_r':
  sbrkr.c:(.text+0x10): undefined reference to `sbrk'
  d:/cs/bin/../lib/gcc/m68k-elf/4.1.1/../../../../m68k-elf/lib\libc.a(writer.o): In function `_write_r
  ':
  writer.c:(.text+0x18): undefined reference to `write'
  d:/cs/bin/../lib/gcc/m68k-elf/4.1.1/../../../../m68k-elf/lib\libc.a(fstatr.o): In function `_fstat_r
  ':
  fstatr.c:(.text+0x14): undefined reference to `fstat'
  d:/cs/bin/../lib/gcc/m68k-elf/4.1.1/../../../../m68k-elf/lib\libc.a(lseekr.o): In function `_lseek_r
  ':
  lseekr.c:(.text+0x18): undefined reference to `lseek'
  d:/cs/bin/../lib/gcc/m68k-elf/4.1.1/../../../../m68k-elf/lib\libc.a(readr.o): In function `_read_r':
  readr.c:(.text+0x18): undefined reference to `read'
  collect2: ld returned 1 exit status
  cs-make: *** [gnutest.obj] Error 1
  Please help me 
  Regards,
  Vika 

 
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