gcc_assert() and inhibit_libc

[Sebastian Huber]

On 16/08/2021 18:50, Jason Merrill wrote:
> On Mon, Aug 16, 2021 at 9:51 AM Sebastian Huber
> <sebastian.huber@embedded-brains.de>  wrote:
>> On 16/08/2021 14:33, Martin Liška wrote:
>>> On 8/12/21 4:31 PM, Sebastian Huber wrote:
>>>> This would be suitable for me, however, I am not sure if you want such
>>>> a customization feature just for a niche operating system.
>>> I don't see a reason why not.
>>> Please send a patch.
>> Ok, good. I will try to figure out what can be done. One problem is that
>> tsystem.h is included before tm.h.  Independent of this Joseph S. Myers
>> said in the recent patch review with respect to the gcov_type size that
>> removing tm.h from the target libraries is a development goal.
>>
>> I guess we have a couple of options.
>>
>> 1. Detect the presence of __assert_func and add the result to tconfig.h.
>> This can't be a link time check, since libgcc is build before Newlib.
>>
>> 2. Use __builtin_trap() instead of abort() if inhibit_libc is defined.
> I still think this seems the most straightforward approach.

I sent a patch for this:

https://gcc.gnu.org/pipermail/gcc-patches/2021-August/577544.html

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