Re: Blackfin, uClibc-ng, and fdpic

[Bryan Hundven <bryanhundven at gmail dot com>]

Reinoud,

On Thu, Oct 29, 2015 at 1:34 PM, Reinoud Koornstra
<reinoudkoornstra@gmail.com> wrote:
> Hi Bryan,
>
> I suspected so.
> At home I was able to build uclibc-ng with gcc 5.1.0 I believe, let me
> check for the config.
> It was 1.5 or 2 months ago that I tried, that, but it might depend on
> the options you select for uclibc-ng.
> Thanks for trying.
> Let me get back to you tonight.

You can reproduce what I have by:
============================================
git clone https://github.com/bhundven/crosstool-ng
cd crosstool-ng
git checkout uclibc-ng
./bootstrap
./configure --enable-local
make
ct-ng bfin-unknown-linux-uclibc
ct-ng build
============================================

By default it will use gcc-5.2.0, but you can change that with `ct-ng
menuconfig`.
I just updated the pull request so that it also has the patch needed
for gcc for gcc 4.9.2 and 4.9.3.

-Bryan

> Thanks,
>
> Reinoud.
>
> On Thu, Oct 29, 2015 at 1:40 PM, Bryan Hundven <bryanhundven@gmail.com> wrote:
>> Reinoud,
>>
>> On Wed, Oct 28, 2015 at 5:14 PM, Reinoud Koornstra
>> <reinoudkoornstra@gmail.com> wrote:
>>> Hi Bryan,
>>>
>>> Can you also try with gcc 4.9.2?
>>
>> I have the same issue with 4.9.2.
>>
>>> Thanks,
>>>
>>> Reinoud.
>>>
>>> On Wed, Oct 28, 2015 at 12:22 PM, Bryan Hundven <bryanhundven@gmail.com> wrote:
>>>> Thomas, list,
>>>>
>>>> I recently started working on uClibc-ng support in crosstool-ng:
>>>>
>>>> https://github.com/crosstool-ng/crosstool-ng/pull/221
>>>>
>>>> As I mentioned on IRC (irc.freenode.net #crosstool-ng), the blackfin
>>>> sample fails with:
>>>>
>>>>     cc1: error: unrecognized command line option '-mfdpic'
>>>>
>>>> as seen on travis-ci:
>>>>
>>>> https://travis-ci.org/crosstool-ng/crosstool-ng/jobs/86800468
>>>>
>>>> The sample has been updated to use newer tools, and its possible that
>>>> I'm maybe missing a patch for binutils-2.25.1 or gcc-5.2.0?
>>>>
>>>> Yann told me that you're pretty knowledgeable with blackfin support,
>>>> and I was wondering if you could give me any pointers.
>>>>
>>>> I'm also looking for feedback/review on any of the other changes or
>>>> issues found with the new uClibc-ng support.
>>>>
>>>> Thanks in advance,
>>>>
>>>> -Bryan
>>>>
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