[ECOS] Re: Wrongfully compiled code

[ariga masahiro]

Hello,

Thank you very much for your confirmation.
I am much relieved to have found the cause of trouble.

But I do not know how to re-install sh-elf-gcc on Cygwin.
Could you please teach me how to do it ?

Masahiro Ariga

> 
>> sh-elf/sh-elf/include
>> Thread model: single
>> gcc version 3.2.1
> 
> We found a bug in this version (probably the same one).  I managed to 
> compile GCC 4.1.1 using the following sources
> 
> binutils 2.16
> Newlib 1.14.0 (copy this to inside the GCC source directory)
> Gcc 4.1.1
> 
> I had to make one hack to the configure file.  It fails on a test, but 
> you can proceed without it, you'll just have to inspect the file when 
> the problem occurs and comment out that test.  I can't remember any more 
> details than that sorry.
> 
> binutils is compiled separately.  Newlib is not strictly needed by ecos 
> but I found GCC wouldn't compile without it (use the --with-newlib 
> option in the configure).
> 
> btw the compile time is measured in hours (about 4.5 on the PC I used)
> 
> 
> -- 
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> 
>

-- 
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