Tango ready?

[Frits van Bommel]

Carlos Santander wrote:
> Frits van Bommel escribió:
>> kris wrote:
>>> Justin C Calvarese wrote:
>>>> If Tango requires DMD 1.004+, I think it should say so on the 
>>>> relevant web page(s), such as one or more of these:
>>>>
>>>> http://www.dsource.org/projects/tango/wiki/Download
>>>> http://www.dsource.org/projects/tango/wiki/TopicBuildingTango
>>>> http://www.dsource.org/projects/tango/wiki/TopicInstallTango
>>>>
>>>> If it's already mentioned in bunch of other places, I'm sorry I 
>>>> missed them.
>>>>
>>>
>>> Done. Thanks!
>>
>>  From the download page: "The runtime portion of this release requires 
>> a v1.004 compatible compiler."
>>
>> Actually, that's just if you compiler actually *is* DMD, I think. In 
>> object.d, it has the v1.004 modification in a version(DigitalMars), so 
>> I think it'll probably break if used with a v1.004-compatible GDC...
>> (Presumably this was done because GDC isn't v1.004-compatible yet?)
> 
> David updated it yesterday. The gdc-0.22-dev branch in svn is up to 1.004.

Then I'm willing to bet it won't work with current Tango unless it for 
some weird reason defines version=DigitalMars when parsing module 'object'.
If I'm right, one of the error messages will be similar to "toobj.c:417: 
virtual void ClassDeclaration::toObjFile(): Assertion 
`classinfo->structsize == (0x3C+8)' failed." (that's the error DMD gave 
me when I tried to compile with an old object.d, with the line number 
changed to where the assertion is in the current gdc-0.22-dev branch)

Tango's 'object' module is littered with version(DigitalMars) blocks to 
select stuff that changed in v1.004, and which the new gdc presumably 
will need as well.

So in fact the current Tango release requires DMD v1.004 or GDC 0.21. 
Earlier GDC versions may also work if it's runtime-compatible, but 
that's about the extent of Tango portability between compilers at the 
moment.