[LyX/master] Add default TransformID enum value

[Jean-Marc Lasgouttes]

Le 28/11/2020 à 22:30, Pavel Sanda a écrit :
> On Sat, Nov 28, 2020 at 08:05:14PM +0100, Jean-Marc Lasgouttes wrote:
>> Le 26/11/2020 ?? 22:38, Pavel Sanda a écrit :
>>>> I'm not an expert in build systems, so my patch doing this will require some
>>>> correction.
>>>
>>> Autotools looks fine on a first sight, JMarc might have some comment.
>>
>> I have removed the unneeded autoconf parts and remove the machinery to build
>> a boost library (only regex needed it). The gain is only 2M out of 23.
> 
> I am somewhat confused here. If we don't need to build boost anymore,
> why we include it at all?

It is just 21MB of header files :)

I will make a change to use system boost by default if possible. But it 
will still be useful for windows at least. We could also decide to 
distribute the 3rdparty directory separately.

JMarc