ddmd

[Nick Sabalausky]

"Rainer Deyke" <rainerd at eldwood.com> wrote in message 
news:i4pp13$rgr$1 at digitalmars.com...
> On 8/21/2010 17:14, Nick Sabalausky wrote:
>> "Rainer Deyke" <rainerd at eldwood.com> wrote in message
>> news:i4pju0$1pjd$1 at digitalmars.com...
>>> Why would that matter?  Why would you want to compile the compiler for a
>>> platform, on that platform?
>>>
>>
>> To use that platform to compile something.
>
> It took me a while to make any sense of that statement.  You're talking
> about a situation where no compiler binary exists that runs on your
> platform, so you want to compile the compiler for that platform on the
> platform itself, right?
>
> The platform the compiler targets and the platform on which the compiler
> runs are orthogonal issues.  If you want the compiler to produce native
> binaries on platform X, it must first be able to target platform X.  If
> the compiler can target platform X, then it is easy enough to create a
> binary of the compiler that runs on platform X by compiling on platform
> A.  From there it's a simple matter to write a script that compiles,
> packages, and uploads the compiler for all supported platforms.  It
> should therefore never be necessary to compile the compiler itself on
> platform X.  Or am I missing something?
>

Yea, I think maybe I was just confused. To my knowledge, DMD doesn't do 
cross-compilation, so I managed to get it into my head that "If DMD runs on 
platform X, then it'll produce working binaries for Platform X", which of 
course is stupid ;)