From: Christophe LYON <christophe.lyon@foss.st.com>
To: Jonathan Wakely <jwakely@redhat.com>
Cc: libstdc++ <libstdc++@gcc.gnu.org>, gcc Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH v3] libstdc++: Improve std::lock algorithm
Date: Wed, 23 Jun 2021 13:16:16 +0200 [thread overview]
Message-ID: <cf2e5a86-9d6c-e083-052d-6ba2034d6eae@foss.st.com> (raw)
In-Reply-To: <CACb0b4mXdQNsEHn=LJZVE4gFdFkSyqo=dGfCtkzVKN12U-8T5g@mail.gmail.com>
On 23/06/2021 12:11, Jonathan Wakely wrote:
> On Wed, 23 Jun 2021 at 10:43, Christophe LYON wrote:
>>
>> On 23/06/2021 11:17, Jonathan Wakely via Libstdc++ wrote:
>>> On Wed, 23 Jun 2021 at 08:21, Christophe Lyon wrote:
>>>> This patch causes GCC build failures for bare-metal targets
>>>> (aarch64-elf, arm-eabi). For instance on arm-eabi, I'm seeing:
>>>>
>>>> In file included from
>>>> /tmp/1229695_7.tmpdir/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-eabi/gcc3/arm-none-eabi/libstdc++-v3/include/future:38,
>>>> from
>>>> /tmp/1229695_7.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/libstdc++-v3/include/precompiled/stdc++.h:105:
>>>> /tmp/1229695_7.tmpdir/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-eabi/gcc3/arm-none-eabi/libstdc++-v3/include/mutex:
>>>> In function 'int std::__detail::__try_lock_impl(_Lockable&)':
>>>> /tmp/1229695_7.tmpdir/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-eabi/gcc3/arm-none-eabi/libstdc++-v3/include/mutex:522:53:
>>>> error: expected primary-expression before ',' token
>>>> 522 | if (unique_lock<_Lockable> __lock{__lockable, try_to_lock})
>>>> | ^
>>>> In file included from
>>>> /tmp/1229695_7.tmpdir/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-eabi/gcc3/arm-none-eabi/libstdc++-v3/include/future:38,
>>>> from
>>>> /tmp/1229695_7.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/libstdc++-v3/include/precompiled/stdc++.h:105:
>>>> /tmp/1229695_7.tmpdir/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-eabi/gcc3/arm-none-eabi/libstdc++-v3/include/mutex:
>>>> In function 'int std::__detail::__try_lock_impl(_Lockable&)':
>>>> /tmp/1229695_7.tmpdir/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-arm-none-eabi/gcc3/arm-none-eabi/libstdc++-v3/include/mutex:522:53:
>>>> error: expected primary-expression before ',' token
>>>> 522 | if (unique_lock<_Lockable> __lock{__lockable, try_to_lock})
>>>> | ^
>>>> make[4]: *** [Makefile:1862:
>>>> arm-none-eabi/bits/stdc++.h.gch/O2ggnu++0x.gch] Error 1
>>> Sigh, __lockable is a macro in newlib:
>>>
>>> newlib/libc/include/sys/cdefs.h:#define __lockable
>>> __lock_annotate(lockable)
>>>
>>> I'll change the name.
>> Thanks (sorry for being back ;-)
> Fixed with this patch, tested x86_64 and pushed to trunk.
Thanks for the prompt fix, I confirm it's OK again on my side.
Christophe
prev parent reply other threads:[~2021-06-23 11:16 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-21 17:31 [committed] " Jonathan Wakely
2021-06-22 9:07 ` Matthias Kretz
2021-06-22 12:51 ` [PATCH v2] " Jonathan Wakely
2021-06-22 13:21 ` Matthias Kretz
2021-06-22 15:20 ` Jonathan Wakely
2021-06-22 16:03 ` Matthias Kretz
2021-06-22 19:51 ` Jonathan Wakely
2021-06-22 20:32 ` [PATCH v3] " Jonathan Wakely
2021-06-23 7:21 ` Christophe Lyon
2021-06-23 9:17 ` Jonathan Wakely
2021-06-23 9:43 ` Christophe LYON
2021-06-23 10:11 ` Jonathan Wakely
2021-06-23 11:16 ` Christophe LYON [this message]
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