Support for newer gcc/gas options

[Dimitri Torfs <dimitri@sonycom.com>]

Hi,

  I just upgraded to the arch/mips/Makefile which adds support for newer
  gcc/gas options. I now get the warning

  "cc1: warning: The -march option is incompatible to -mipsN and therefore
+ignored."

  when compiling. I have the CONFIG_CPU_VR41XX option set, which sets
  the c-flags to:

  "-I /home/dimitri/work/linux/include/asm/gcc -G 0 -mno-abicalls
  -fno-pic -pipe  -finline-limit=100000 -mabi=32 -march=r4100 -mips3
  -Wa,-32 -Wa,-march=r4100 -Wa,-mips3 -Wa,--trap"

  I suppose that for the newer gcc versions only -march= should be
  set (I'm using gcc-3.2.2) ?

  Dimitri

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