On Nov 22, 2020, at 19:15, Mike Shal wrote:
> On Sun, Nov 15, 2020 at 6:58 PM Ryan Schmidt wrote:
>> Hi, I'm the maintainer of tup in MacPorts. tup 0.7.10 doesn't build on older
>> versions of macOS. For example on OS X 10.10:
>>
>> https://build.macports.org/builders/ports-10.10_x86_64-builder/builds/127208/steps/install-port/logs/stdio
>>
>> Undefined symbols for architecture x86_64:
>> "_utimensat", referenced from:
>> _tup_fs_utimens in fuse_fs.o
>> ld: symbol(s) not found for architecture x86_64
>>
>> As far as I know, utimensat did not appear until macOS 10.13.
>>
>> I see that you have compatibility code for utimensat but build.sh does not
>> include it on macOS.
>>
> Thanks for maintaining it in MacPorts!
>
> I'm not sure how authoritative this list is, but it looks like 10.10 reached
> end-of-life in 2017: https://en.wikipedia.org/wiki/MacOS_version_history
>
> If 10.13 is indeed the oldest version that is still supported by Apple as the
> list suggests, I feel like that is a reasonable target to be the oldest
> version supported by new releases of tup.
>
> That said, if it's an easy patch in tup to support older macOS versions, I
> don't see why it couldn't be merged.
Just because Apple stops supporting a version of macOS does not mean that it
automatically becomes impossible to install or compile software on it.
Installing new open source software is a great way to extend the life of an old
computer.
Since you already have a compatibility implementation of utimensat I assume it
should be trivial to include it on older versions of macOS or any other OS that
doesn't have it built-in.
I'm not familiar with your build system so I can't suggest a patch. If you were
using an autotools-based build system, I would expect that you would have a
configure test to check for the presence of utimensat, and if it is not
present, then you would use your compatibility implementation. Since you are
not using autotools perhaps whatever build system you use has an equivalent
concept that could be employed.
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