On 9/16/22 07:52, Jason Merrill wrote:
> On 6/24/22 01:23, Alexandre Oliva via Gcc-patches wrote:
>> On Jun 23, 2022, Alexandre Oliva <oliva@adacore.com> wrote:
>>
>>> Here's the patch.  Regstrapped on x86_64-linux-gnu, also tested with a
>>> cross to aarch64-rtems6.  Ok to install?
>>
>>> Introduce -nostdlib++ option
>>
>> Uhh, I went ahead and installed this.  The earlier patch was approved if
>> nobody objected, and so, having overcome the objection to the option
>> spelling, it ended up in my "approved" patchset.
>>
>> In case there are objections to it, please let me know, and I'll revert
>> it promptly, but I guess it makes little sense to revert it on the odd
>> change that someone does.  Thanks for your understanding.
> 
> I'm getting failures from pure-virtual1.C with
> 
> xg++: error: unrecognized command-line option '-nostdlib++'
> 
> I guess that's because it isn't handled by the specs in the way nostdlib 
> and nodefautlibs are.  Maybe the solution is to set SKIPOPT in the driver?
> 
> Are you not seeing this problem?

I started seeing this again and decided to track it down more.  It seems 
to be dependent on specs, as explained in this commit message: