[Clfs-dev] PPC64 with 32 bit user space build comments

[Joe Ciccone]

Ken Moffat wrote:
> On Sun, Nov 16, 2008 at 12:26:04PM -0600, William Harrington wrote:
>   
>> Hello everybody,
>>
>>
>>     There was discussion one midnight in #CLFS-Support about 32 bit  
>> user space for sparc64, ppc64, and mips I think.  Can't remember it  
>> all at the moment, but here is what I have done with the latest SVN  
>> Powerpc build.
>>
>>     
>  Interesting.  I assumed you would need to load the kernel module
> before compiling on the finished system, otherwise it would attempt
> to build with -m64 ?
>
>   
Not with a simple specs patch, assuming we even were to build a 64bit
compiler.
>  FWIW, I gave up trying to build 32-bit ppc on my own G5 after
> getting issues with bash - couldn't be sure if something I was doing
> was causing the problem.  Now that my G4 mac mini has died, maybe
> I'll give it another try.  OTOH, the longer I wait, the more likely
> somebody will get firefox3 working on ppc.
>
>  Anyway, before that I had been building from a shell running
> 'linux32', then building 64-bit binutils and gcc in /opt/kgcc using
> the first two steps from the 64-bit cross- build.  Then, I built
> linux32, moved it to /bin, wrapped agetty in a script to run it from
> linux32.  The only other thing I had to change was gdm - it's a
> script anyway, so I edited it run the binary from linux32.
>
>  I take your point about not needing to rebuild binutils, but there
> has been so much aggravation with gcc on ppc64 (I've often needed to
> use an older version, e.g. in the early days of gcc-4.2) that I find
> it easier to just use a toolchain which is known to work!
>   
Mind you it is still just a idea.