Error building toolchain for ARM cortex A8
Mon Mar 19 10:06:00 GMT 2012
On 14/03/12 20:36, Michael Hope wrote:
> On 15 March 2012 07:10, Michael Eager <firstname.lastname@example.org> wrote:
>> On 03/05/2012 01:47 PM, Yann E. MORIN wrote:
>>> Eric, All,
>>> Which looks pretty obvious: hard-float are not possible for VFP. Although
>>> this is theorically possible, gcc-4.4 (and all other versions, AFAIK) do
>>> not support building hard-float for VFP.
>>>> What am I doing wrong?
>>> Build with soft-float.
>> I ran into this problem as well. There ought to be a configuration
>> option which selects the ARM processor version and passes the correct
>> options to gcc configure so that the default options do create a
>> broken tool chain.
> Sorry, I'm late to this thread. GCC 4.5 and later support the hard
> float ABI on the Cortex-As with VFPv3. I think 4.4 does as well.
> What was the problem?
Hard float ABI was new in gcc-4.5. There's a back-port to 4.4 in
svn://gcc.gnu.org/svn/gcc/branches/ARM/hard_vfp_4_4_branch but it's
probably not very up-to-date relative to the official 4.4 branch.
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