Honey, I shrunk the build times

[Atila Neves via Digitalmars-d]

On Tuesday, 9 June 2015 at 16:20:35 UTC, Andrei Alexandrescu 
wrote:
> On 6/9/15 4:06 AM, Atila Neves wrote:
>> On Saturday, 6 June 2015 at 21:42:47 UTC, Andrei Alexandrescu 
>> wrote:
>>> https://github.com/D-Programming-Language/phobos/pull/3379
>>>
>>> Punchline: major reduction of both total run time and memory 
>>> consumed.
>>>
>>>
>>> Andrei
>>
>> Are the inter-package dependencies handled correctly? It's 
>> hard to say
>> looking at the diff, but I don't see where it's done.
>>
>> With the "compile everything at once" model it's not an issue;
>> everything is getting recompiled anyway. With per-package... if
>> foo/toto.d gets changed and bar/tata.d has an "import 
>> foo.toto;" in it,
>> then both foo and bar packages need to get recompiled.
>>
>> Or is this change recompiling everything all of the time but 
>> just
>> happens to do it a package at a time?
>
> Last one's right. From the diff:
>
> # Each package depends on everything. We may improve that in 
> the future.

Ah right, sorry, I missed that. reggae already calculates 
dependencies by asking the compiler and (modulo bugs) only 
recompiles packages that need to be recompiled.

Atila