Re: [PATCH] sane-toolchain-eglibc.inc: Set TARGET_OS?= linux-gnuspe for e500

[Khem Raj <raj.khem@gmail.com>]

On (31/08/09 13:33), Marcin Juszkiewicz wrote:
> What about using MACHINE_FEATURES (or CPU_FEATURES) for things like eabi/spe?

yes that is a very good idea.

> 
> TARGET_OS = "linux-"
> if ARCH in [ppc,powerpc] and MACHINE_FEATURES.find('spe') then
> 
>   if LIBC=uclibc then
>     TARGET_OS += "uclibc"
>   fi
> 
>   TARGET_OS += "gnuspe"
> fi
> 
> Same for adding eabi:
> 
> TARGET_OS = "linux-"
> if ARCH in [arm,armeb] and MACHINE_FEATURES.find('eabi') then
> 
>   if LIBC=uclibc then
>     TARGET_OS += "uclibc"
>   fi
> 
>   TARGET_OS += "gnueabi"
> fi
> 
> spe/eabi can be added to MACHINE_FEATURES in conf/machine/include/tune-* files 
> and distros can choose do they support it or not by DISTRO_FEATURES (examples 
> needs to be changed then to use COMBINED_FEATURES variable). This way no one 
> has to change XY files just because he has new board with ppc500v2 core, we do 
> not have to remember about armv4 devices which are not capable of EABI with 
> gcc 4.3.x and older (but if they will support EABI in future we just change 
> tune-strongarm.inc file).

seems a nice approach. Let me try to implement something on these lines.

> 
> Regards, 
> -- 
> JID:      hrw@jabber.org
> Website:  http://marcin.juszkiewicz.com.pl/
> LinkedIn: http://www.linkedin.com/in/marcinjuszkiewicz
> 
> 
> 
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