[Poll] On Linux, what should we commonly use as sub-directory name for D?

[Marc Schütz via Digitalmars-d]

On Wednesday, 11 November 2015 at 17:24:19 UTC, Chris Piker wrote:
> On Tuesday, 12 November 2013 at 19:50:32 UTC, Marco Leise wrote:
>> I've seen people use both 'd' and 'dlang' now, so I created a 
>> poll. Everyone assembling Linux packages is then free use the 
>> results to create a similar experience on all distributions.
>>
>> http://www.easypolls.net/poll.html?p=52828149e4b06cfb69b97527
>
> Has this issued been settled?  We are using the dmd compiler on 
> CentOS 6.  I have a custom plplot.d file that I want to put 
> somewhere under our shared /usr/local for our programmers to 
> use.
>  If I want to follow some sort of precedent then it looks like 
> my choices are:
>
>   /usr/local/include/dmd   (similar to dmd rpm)
>   /usr/local/include
>   /usr/local/include/d
>   /usr/local/include/dlang
>   /usr/local/src
>   /usr/local/src/d
>   /usr/local/src/dlang
>
> I personally prefer:
>
>   /usr/local/src/d
>
> but would like to go with some sort of convention if one is 
> starting to gel.
>
> Please don't say use dub and leave it up to each individual 
> developer.  I haven't been able to get dub to work on CentOS 6, 
> and just getting D in use here is enough of an effort without 
> introducing package management tools.

I'm interested in this topic, too. Has there been a conclusion as 
to distributions should install includes and libraries of 
different compilers (and versions), which sonames to use, etc?