[RFC] clang, posix: bypass static assert that does not compile with Clang
sebastian.huber at embedded-brains.de
Tue Oct 9 10:20:46 UTC 2018
On 08/10/2018 16:07, Daniel Hellstrom wrote:
>> This static assertion ensures that POSIX_SEMAPHORE_VALIDATE_OBJECT()
>> rejects semaphore pointers with a SEM_FAILED value. We could change
>> this macro to test also for SEM_FAILED, but it would result in code
>> like this
>> if (sem == 0 (aka NULL) || sem == 0 (aka SEM_FAILED) || ...)
>> See also:
>> Coverity Scan crashes at this line too. GCC issues only a -Wpedantic
>> warning. In C++ the static assert would be fine. I am not sure how to
>> fix this.
> I just saw that you have pushed the
> 1d39e96470b27195d35a69cc94551c403b7980bd commit that updated the
> RTEMS_STATIC_ASSERT() macro, thanks for updating this. I just wanted
> to let you know that the issue I'm seeing with clang is still there:
Yes, this change only affects legacy compilers (non-C11 default mode).
I fixed the static assertion problem like this:
Sebastian Huber, embedded brains GmbH
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