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

[Mikael Holmén via llvm-dev]

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.

/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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