2012.06.24, Kernel compile error: "gcc: error: elf_x86_64: No such file or directory"

gcc 4.6不再支援linker-style架構,

Edit "arch/x86/vdso/Makefile":
Change "-m elf_x86_64" to "-m64"
or
Change "-m elf_x86" to "-m32"

Ref:
ubuntu12.04编译linux kernel出现“gcc: error: elf_i386/elf_x86_64: No such file or directory”