Proper cpu-vendor-os triplet?

[Joel Sherrill]

On 10/21/2014 8:03 AM, Freddie Chopin wrote:
> Hello!
>
> I know this list might not be a perfect fit for my question, but I hope 
> someone would share some knowledge with me.
>
> I'm developing an open-source RTOS for higher-end microcontrollers (*). 
> My plan is to have it as a proper OS for newlib and GCC - like RTEMS 
> (for example). I'm having a hard time deciding what should be the proper 
> triplet of such toolchain for ARM chips, because either everyone does 
> things differently, or I don't understand something... For example for 
> "bare metal ARM" the triplet is "arm-none-eabi", so I assume that this 
> should be actually read as "arm" cpu, "none" vendor, "none" OS (missing) 
> and "eabi" ABI. Or maybe it's the "vendor" that is missing? In newlib's 
> configure.host file the OS is taken from the third element in the 
> triplet, for example:
>
>> case "${host}" in
>>   *-*-cygwin*)
>>     posix_dir=posix
>>     stdio64_dir=stdio64
>>     xdr_dir=xdr
>>     ;;
>>   *-*-netware*)
>>     signal_dir=
>>     sys_dir=netware
>>     ;;
>>   *-*-rtems*)            # generic RTEMS support
>>     sys_dir=rtems
>>     posix_dir=posix
>>     unix_dir=unix
>>     ;;
>>   *-*-tirtos*)
>>     sys_dir=tirtos
>>     have_crt0="no"
>>     ;;
> On the other hand linaro's GCC toolchain for ARM processors is named 
> "arm-linux-gnueabihf", so I assume that in this case the "vendor" field 
> is missing...
>
> So I wonder if I should name the toolchain "arm-none-distortos-eabi", 
> "arm-distortos-eabi", "arm-none-distortos", "arm-distortos" or maybe 
> something else?
IMO arm-distortos is what the user should configure.

Internally, the canonical name will be arm-none-distortos.
> Thx in advance!
>
> Regards,
> FCh
>
> (*) - in case anyone is interested - the repo is here - 
> https://github.com/DISTORTEC/distortos
>

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill@OARcorp.com        On-Line Applications Research
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