cross/{nios2, nios2-binutils, nios2-gcc}

Let me import
nios2          (Makefile.common)
nios2-binutils (2.20)
nios2-gcc      (3.4.6)

Please give me any comments.

Then
gcc-4.1.3 seems to be waiting. I will work it on wip.

Thanks a lot.
---
Makoto Fujiwara, 
Chiba, Japan, Narita Airport and Disneyland prefecture.

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