Re: libgcc: soft float on mips-wrs-vxworks

[Jan Smets <jan at smets dot cx>]

No reply from the maintainer . Can anyone please make this
configuration change to trunk or should I open a bugreport for this?

Thanks
- Jan


On Fri, Jan 4, 2013 at 5:13 PM, Rainer Orth <ro@cebitec.uni-bielefeld.de> wrote:
> Hi Jan,
>
>> I'm running a heavily modified version of vxworks and we implement
>> floating point operations in software. I noticed that the the default
>> libraries do not include FP/DP routines, I think that got changed
>> somewhere after 4.6, I think.
>>
>> libgcc/config.host  :
>>
>>  137 mips*-*-*)
>>  138     cpu_type=mips
>>  139     tmake_file=mips/t-mips
>>  140     ;;
>>
>> is overrided by:
>>
>>  263 *-*-vxworks*)
>>  264   tmake_file=t-vxworks
>>  265   ;;
>
> true, this is unlike the other ${host} cases in config.host.
>
>> So my ugly fix is :
>>
>> Index: config.host
>> ===================================================================
>> --- config.host (revision 194855)
>> +++ config.host (working copy)
>> @@ -778,6 +778,7 @@
>>         extra_parts="$extra_parts crti.o crtn.o"
>>         ;;
>>  mips-wrs-vxworks)
>> +       tmake_file="$tmake_file mips/t-mips mips/t-elf mips/t-mips16"
>>         ;;
>>  mipstx39-*-elf* | mipstx39el-*-elf*)
>>         tmake_file="$tmake_file mips/t-crtstuff mips/t-mips16"
>
> You should just append to $tmake_file for *-*-vxworks* instead of
> overriding it as every other OS (well, with the exception of *-*-vms*)
> does.  I can't see any bad side effect from this.
>
>> Can you have a look and see whether this is a configuration error?
>
> It's probably a configuration error.  Unfortunately, my calls for
> testing the libgcc changes went largely unheard, so it's upon the target
> maintainers now to fix the fallout on their platforms.
>
>         Rainer
>
> --
> -----------------------------------------------------------------------------
> Rainer Orth, Center for Biotechnology, Bielefeld University



-- 
Smets Jan
jan@smets.cx