Add a precompiled c++ obj file to dub

[b4s1L3]

On Sunday, 8 October 2017 at 04:03:27 UTC, user1234 wrote:
> On Sunday, 8 October 2017 at 02:58:36 UTC, Fra Mecca wrote:
>> On Saturday, 7 October 2017 at 23:54:50 UTC, user1234 wrote:
>>> On Saturday, 7 October 2017 at 19:56:52 UTC, Fra Mecca wrote:
>>>> Hi all,
>>>> I am writing a backend that is partly Vibe.d and partly 
>>>> clucene in c++.
>>>> I have some object files written in c++ and compiled with 
>>>> g++ that are not considered by dub during the linking phase 
>>>> and throws `function undefined error ` every time.
>>>>
>>>> Is there a way to tell dub to let dmd handle that .o files?
>>>
>>> Yes, add this to your JSON:
>>>
>>>   "sourceFiles-linux-x86_64" : [
>>>     "somepath/yourobject.o"
>>>   ],
>>
>> I tried the sourceFiles approach, it failed and I could 
>> reproduce that in some days.
>>
>> At the end I added them as linking options (lflags) but it is 
>> kinda odd that it works given that everything is supplied to 
>> dmd as -Lobj.o
>
> Huh, i'm surprised but well, if it works for you.
> My advice was based on 
> https://github.com/BBasile/dbeaengine/blob/master/dub.json 
> (object file is passed to dmd) which works, I often use it.

Yeah that's becuz passing *.o / *.obj files to the linker or to 
dmd is the same buisness under the hood. The problem with this 
DUB project is that it will only compiles with DMD. Maybe the OP 
used another compiler. other compilers may not support the 
shortcut here:

https://github.com/dlang/dmd/blob/master/src/ddmd/mars.d#L626