Gcc 4.6 编译 Linux kernel时出现错误error: elf_i386: No such file or directory

  LD arch/x86/mm/built-in.o
  LDS arch/x86/vdso/vdso32/vdso32.lds
  AS arch/x86/vdso/vdso32/note.o
  AS arch/x86/vdso/vdso32/int80.o
  VDSO arch/x86/vdso/vdso32-int80.so.dbg
gcc: error: elf_i386: No such file or directory
make[2]: *** [arch/x86/vdso/vdso32-int80.so.dbg] Error 1
make[1]: *** [arch/x86/vdso] Error 2
make: *** [arch/x86] Error 2
The problem is that gcc 4.6 doesn't support anymore linker-style architecture options.
solution:
In arch/x86/vdso/Makefile :
replace "-m elf_x86_64" by "-m64" on the line starting with VDSO_LDFLAGS_vdso.lds
replace "-m elf_x86" by "-m32" on the line starting with VDSO_LDFLAGS_vdso32.lds