Re: [PATCH V3] PowerPC: fix for gdb.base/eh_return.exp

[Pedro Alves <pedro@palves.net>]

On 2022-06-02 17:52, Carl Love wrote:
> Kevin:
> 
> On Wed, 2022-05-11 at 15:48 -0700, Kevin Buettner wrote:
>> On Wed, 11 May 2022 14:52:32 -0700
>> Carl Love <cel@us.ibm.com> wrote:
>>
>>> +    # Disable the Traceback Table generation, using the PowerPC
>>> specific
>>> +    # gcc option, so the test gdb_test_multiple "disassemble eh2"
>>> will match
>>
>> What happens when some compiler other than gcc is used to run the
>> test?
> 
> I updated the patch to set the compiler options for gcc and XLC.  The
> test was run on AIX and passes with the patch.  Note that AIX actually
> uses gcc to compile gdb.  We tried compiling gdb with the xlc compiler.
> We ran into other gdb compilation errors that we were not able to
> resolve.  We were able to verify that the xlc options to disable the
> Traceback Buffer were right but that was it.  

The compiler used to build gdb does not have to be the same used to
run tests.  You can build gdb with gcc as usual, and then run tests
with some other compiler, like:

 $ make check RUNTESTFLAGS="CC_FOR_TARGET=foo CXX_FOR_TARGET=foo++"

Pedro Alves

> 
> If other compilers are used to compile gdb on power, the option for
> that compiler to disable the Traceback Table will need to be added to
> the test otherwise the test will fail for that compiler.
> 
> I will post the updated version of the patch.