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?

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"
  ],

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

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.

On 2017-10-08 04:58, Fra Mecca wrote:

> 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

Everything passed to DMD with the -L flag is passed to the linker, basically as is. So if the linker accepts object files passed directly on the command line then it works.

-- 
/Jacob Carlborg

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