Unilink - alternative linker for win32/64, DMD OMF extensions?

[Walter Bright]

Lutger Blijdestijn wrote:
> Walter Bright wrote:
> 
>> Akakima wrote:
>>>> Changing the object module format is not sufficient. The symbolic debug
>>>> info would have to be changed (and Microsoft's is undocumented) and then
>>>> there's the dependency on Microsoft's C runtime library if linking with
>>>> VC generated object files.
>>> I found some doc there:
>>>
>>>   http://pierrelib.pagesperso-orange.fr/exec_formats/index.html
>>>
>>> Microsoft Symbol and Type Information
>>> By TIS / Microsoft. Entry added 12/28/2004.
>>> Keywords: ms, symbol, type, info
>>> File: MS_Symbol_Type_v1.0.pdf
>>> « This document describes Microsoft Symbol and Type Information, a
>>> debugging information format fromMicrosoft Corporation for the 32-bit
>>> Windows environment. »
>>
>> That document describes the Codeview symbol debug format, which Microsoft
>> abandoned 15 years ago in favor of a proprietary format.
>>
>> Dmd generates that older format :-)
> 
> Are you going to do Elf? With optlink in D? (Does that even make sense?)

Elf is not a symbolic debug format. It is possible to use Codeview with Elf.

In any case, such decisions will have to revolve around the availability of 
things like debuggers.