Build Failures on Master (mostly C++ issues)

[Hesham Almatary]

On Sun, Apr 10, 2016 at 1:24 AM Joel Sherrill <joel at rtems.org> wrote:

>
>
> On Sat, Apr 9, 2016 at 10:17 AM, Daniel Gutson <
> daniel.gutson at tallertechnologies.com> wrote:
>
>>
>> El 9/4/2016 12:15, "Joel Sherrill" <joel at rtems.org> escribió:
>> >
>> > Hi
>> >
>> > These are the BSPs which do not build all tests with C++ and the
>> in-tree network stack enabled:
>> >
>> > + epiphany_sim - GCC ICE building mongoose.c. No investigation.
>>
> Gcc 6? Could you please attach more data, such as the gcc output and the
>> test?
>>
>> Most targets are like this:
>
> arm-rtems4.12-gcc (GCC) 6.0.0 20160327 (RTEMS 4.12, RSB
> 648e2d5d6c308227c456434238da5f3f881bddc7, Newlib 2.4.0)
>
> But epiphany hasn't been merged yet and has its own issues:
>
> epiphany-rtems4.12-gcc (GCC) 4.9.0 20140411 (RTEMS 4.12, RSB
> 648e2d5d6c308227c456434238da5f3f881bddc7, Newlib
> 8b1ede3ce11d53292036aadfcfb6043df0235f9c)
>
> I can post the ICE but not even sure what good it would do.
>
>
>> >
>> > + m32c - does not even build a C++ compiler. This is a small CPU and
>> there isn't any general support for C++. This was why it was on my list of
>> automatically disabled.
>>
>> This is gcc 6. And I think we just disable C++ for m32c.
>
>
>> > + moxiesim - cxx_iostream.exe fails to link bcause it can't find
>> __dso_handle. I don't know if C++ works for moxie-elf or if this is RTEMS
>> specific.
>>
> This is gcc 6. It has had this issue for months. I don't think C++ has
> ever worked.
> I have investigated but don't have a clue which tiny bit is wrong.
>
>
>> > + or1k - needs newlib bumped to match tree.
>>
> or1k was also using older gcc 4.9.3. It hasn't been merged yet. I am
> updating it
> now to the latest newlib.
>
>
I have a pending submitted patch for or1k tools. It needs to be merged in
order for rtems-or1k to compile. I can't merge it because I've issues with
my old SSH key and laptop, so please merge it.

> > + sh/gensh4 - undefined reference to __gnu_cxx::__atomic_add(int
>> volatile*, int) in cxx_iostream test
>>
>> This is gcc 6. It has had this issue for months. It broke when the atomic
> changes
> and our C++ configuration changed. I have investigated but don't have a
> clue
> which tiny bit is wrong.
>
>
>
>> > --joel
>> >
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>>
>
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