[LyX/master] Add move constructor and move assignment operator for FileName class

[Jean-Marc Lasgouttes]

Le 20/01/2021 à 17:14, Scott Kostyshak a écrit :
>>> I've tried to reproduce on Linux with Clang and libc++ but cannot.
>>> However, one thing that I do not understand is that in the output from
>>> ldd, both libstdc++.so.6 and libc++.so.1 show up. See attached. Is this
>>> expected?
>>
>> I wonder if that may be a consequence of using DEBUG_GLIBC ...
> 
> Good idea. I thought I had turned that off but maybe I missed something.

Do you cuse autoconf? If you do, it should tell whether it uses libc++ 
or libstdc++.

When I compile with libc++ I have to use included libhunspell because 
the std::string API is different.

JMarc