[llvm-dev] DirectoryWatcher causing build failures on Redhat linux with kernel version 2.6.32

[Tom Stellard via llvm-dev]

On 07/15/2019 04:01 AM, Mikael Holmén via llvm-dev wrote:
> Hi,
> 
> Same thing for me, as I described here:
> 
> http://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20190708/279184.html
> 
> I think the problem is that the patch assumes that if sys/inotify.h 
> exists, then IN_EXCL_UNLINK is defined in it.
> 
> But I think that there are old versions of inotify.h where 
> IN_EXCL_UNLINK isn't defined.
> 

Could you file a bug for this and cc me.

Thanks,
Tom

> /Mikael
> 
> On 2019-07-15 12:56, Ranjeet Singh via llvm-dev wrote:
>> Hi Jan,
>>
>>
>> our builds have been failing on Redhat linux kernel version 2.6.32 with 
>> the following error:
>>
>>
>> *2019.07.15 11:10:28* 
>> ../llvm/tools/clang/lib/DirectoryWatcher/linux/DirectoryWatcher-linux.cpp:335:47: 
>> error: 'IN_EXCL_UNLINK' was not declared in this scope *2019.07.15 
>> 11:10:28* IN_CREATE | IN_DELETE | IN_DELETE_SELF | IN_EXCL_UNLINK | 
>> IN_MODIFY |
>>
>>
>> this is because of the patch 
>> https://reviews.llvm.org/rG77dd8a79286d2fff94c765f787d7f7debb2a10c4 which adds 
>> this code in. We build on a platform that uses the linux kernel version 
>> 2.6.32 which doesn't have the IN_EXCL_UNLINK feature, could you please 
>> take a look ?
>>
>>
>> Thanks,
>>
>> Ranjeet
>>
>>
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> 
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