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Re: mt_allocator.cc assumes sizeof(size_t) == sizeof(void *)
- From: Joel Sherrill <joel dot sherrill at oarcorp dot com>
- To: Joseph Myers <joseph at codesourcery dot com>
- Cc: Paolo Carlini <paolo dot carlini at oracle dot com>, Jonathan Wakely <jwakely dot gcc at gmail dot com>, GCC Mailing List <gcc at gcc dot gnu dot org>, DJ Delorie <dj at redhat dot com>, libstdc++ <libstdc++ at gcc dot gnu dot org>
- Date: Mon, 10 Nov 2014 11:01:04 -0600
- Subject: Re: mt_allocator.cc assumes sizeof(size_t) == sizeof(void *)
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On 11/10/2014 10:59 AM, Joseph Myers wrote:
> On Mon, 10 Nov 2014, Joel Sherrill wrote:
>> On 11/10/2014 10:32 AM, Joseph Myers wrote:
>>> On Sat, 8 Nov 2014, Paolo Carlini wrote:
>>>> Good. Sorry, if I missed some relatively recent development: is now GCC
>>>> installing its own stdint.h on *all* the supported targets, thus we can safely
>>> No; I sent a list of targets missing the information in
>>> <https://gcc.gnu.org/ml/gcc-patches/2013-06/msg00248.html> (possibly out
>>> of date now, but the goal there of unifying uint32_type_node and
>>> c_uint32_type_node etc. still applies).
>> I just submitted a patch using stdint.h and uintptr_t to gcc-patches.
>> I think this fixes the code in a standard way. I don't know what to
>> do about the list of targets you cited which don't support that.
> Well, some of them may in fact have their own stdint.h provided by the OS,
> or not use libstdc++, but if they use libstdc++ and don't have stdint.h,
> the correct fix is for the OS maintainer to add the necessary GCC support
> for providing stdint.h.
I will leave it for you all to decide to push my patch or switch to
something like Paolo's trick.
Joel Sherrill, Ph.D. Director of Research & Development
joel.sherrill@OARcorp.com On-Line Applications Research
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