From: Iain Sandoe <idsandoe@googlemail.com>
To: "François Dumont" <frs.dumont@gmail.com>
Cc: Jonathan Wakely <jwakely@redhat.com>,
libstdc++ <libstdc++@gcc.gnu.org>,
GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH][_GLIBCXX_INLINE_VERSION] Fix <contracts>
Date: Sun, 8 Oct 2023 15:06:38 +0100 [thread overview]
Message-ID: <9C6DC8AF-8F62-41F7-B3A5-A2D1B2E201FC@googlemail.com> (raw)
In-Reply-To: <d7162f50-fb2d-a6b8-1d5d-fc430f900a70@gmail.com>
Hi François,
> On 21 Sep 2023, at 05:41, François Dumont <frs.dumont@gmail.com> wrote:
>
> Tests were successful, ok to commit ?
>
> On 20/09/2023 19:51, François Dumont wrote:
>> libstdc++: [_GLIBCXX_INLINE_VERSION] Add handle_contract_violation symbol alias
>>
>> libstdc++-v3/ChangeLog:
>>
>> * src/experimental/contract.cc
>> [_GLIBCXX_INLINE_VERSION](handle_contract_violation): Provide symbol alias
>> without version namespace decoration for gcc.
This does not work in the source on targets without support for symbol aliases (Darwin is one)
“../experimental/contract.cc:79:8: warning: alias definitions not supported in Mach-O; ignored”
- there might be a way to do it at link-time (for one symbol not too bad); I will have to poke at
it a bit.
Iain
>>
>> Here is what I'm testing eventually, ok to commit if successful ?
>>
>> François
>>
>> On 20/09/2023 11:32, Jonathan Wakely wrote:
>>> On Wed, 20 Sept 2023 at 05:51, François Dumont via Libstdc++
>>> <libstdc++@gcc.gnu.org> wrote:
>>>> libstdc++: Remove std::constract_violation from versioned namespace
>>> Spelling mistake in contract_violation, and it's not
>>> std::contract_violation, it's std::experimental::contract_violation
>>>
>>>> GCC expects this type to be in std namespace directly.
>>> Again, it's in std::experimental not in std directly.
>>>
>>> Will this change cause problems when including another experimental
>>> header, which does put experimental below std::__8?
>>>
>>> I think std::__8::experimental and std::experimental will become ambiguous.
>>>
>>> Maybe we do want to remove the inline __8 namespace from all
>>> experimental headers. That needs a bit more thought though.
>>>
>>>> libstdc++-v3/ChangeLog:
>>>>
>>>> * include/experimental/contract:
>>>> Remove _GLIBCXX_BEGIN_NAMESPACE_VERSION/_GLIBCXX_END_NAMESPACE_VERSION.
>>> This line is too long for the changelog.
>>>
>>>> It does fix 29 g++.dg/contracts in gcc testsuite.
>>>>
>>>> Ok to commit ?
>>>>
>>>> François
next prev parent reply other threads:[~2023-10-08 14:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-20 4:51 François Dumont
2023-09-20 9:32 ` Jonathan Wakely
2023-09-20 17:51 ` François Dumont
2023-09-21 4:41 ` François Dumont
2023-10-08 14:06 ` Iain Sandoe [this message]
2023-10-09 5:06 ` François Dumont
2023-10-09 9:23 ` Iain Sandoe
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