[libstdc++-v3] Add configure check for S_ISSOCK

[Jonathan Wakely]

On 07/11/17 21:00 +0200, Andris Pavenis wrote:
>On 11/07/2017 08:28 PM, Jonathan Wakely wrote:
>>On 07/11/17 19:26 +0200, Andris Pavenis wrote:
>>>src/filesystem/ops-common.c uses S_ISSOCK unconditionally without checking that it is available
>>>
>>>As result compile fails for DJGPP when S_ISREG is available but 
>>>S_ISSOCK is not. Included patch add configure check for S_ISSOCK
>>>
>>>Andris
>>>
>>>ChangeLog entry:
>>>
>>>2017-11-07Â  Andris Pavenis<andris.pavenis.iki.fi>
>>>
>>>Â Â Â  * acinclude.m4 (GLIBCXX_CHECK_S_ISSOCK): Define
>>>Â Â Â  * configure.ac: Check presence of S_ISSOCK
>>>Â Â Â  * src/filesystem/ops-common.h: Only use S_ISSOCK if defined for target
>>>Â Â Â  * config.h.in: Regenerate
>>>Â Â Â  * configure: Regenerate
>>
>>Do we need an autoconf check?
>>
>>
>I just followed the same style as with S_ISREG/S_IFREG...

But those checks are there for config/io/basic_file_stdio.cc which has
more complicated needs (although it could still be done with simple
#ifdef checks).

>Simple #ifdef S_ISSOCK is sufficient in this case.

Committed to trunk.


-------------- next part --------------
A non-text attachment was scrubbed...
Name: patch.txt
Type: text/x-patch
Size: 846 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20171107/96e6bfb5/attachment.bin>