GCC 4.9.1 changes.

[Chris Johns]

  [ Add AG for the moxie issue ]

On 9/10/2014 8:31 am, Joel Sherrill wrote:
>
> On 10/5/2014 1:23 AM, Chris Johns wrote:
>> Hi,
>>
>> There are a few issues with 4.9.1 which need to be looked at. I have not
>> attempted a Windows build yet.
>>
>> My question is:
>>
>>    Do we move the architectures that *do* build to 4.9.1 ?
> I would lean to yes or wait for 4.9.2 to be released since it should be
> close.

I will move the ones we know build. Newlib is now at the very latest via 
git.

>> m32c:
>> configure: error: unable to detect exception model
> Is this trying C++?

No ...

http://git.rtems.org/rtems-source-builder/tree/rtems/config/4.11/rtems-m32c.bset#n14

It is building libgcc which wants to know the exception model for some 
reason. I do not know if there is a configure option to handle this or 
something in our target support that is different.

> m32c does not support C++ at all. End of story.

Understood.

>> moxie:
>> We are using binutils-2.24. Is there a later release ?
>> CC_TLS -DUSE_EMUTLS -o _gcov.o -MT _gcov.o -MD -MP -MF _gcov.dep
>> -DL_gcov -c ../../../../gcc-4.9.1/libgcc/libgcov-driver.c
>> /tmp//cc7Lxv5S.s: Assembler messages:
>> /tmp//cc7Lxv5S.s:176: Error: unknown opcode sex.b $r0,$r0
>>
>>     [ AG, a rather interesting name for an instruction ]

Anthony, any ideas here ?

Chris