hello world in D
Regan Heath
regan at netmail.co.nz
Fri May 31 08:03:58 PDT 2013
On Fri, 31 May 2013 16:00:00 +0100, Adam D. Ruppe
<destructionator at gmail.com> wrote:
> On Friday, 31 May 2013 at 14:48:12 UTC, Regan Heath wrote:
>> You will get a similar size (or greater) if you statically link the
>> stdc library.
>
> That's not necessarily true because static linking only pulls functions
> that are actually used by the program....
>
> even though I just tried gcc hello.c -static, and got a beefy 600 KB
> binary out of it, so maybe it is more intertwined than I thought!
It is a bit surprising isn't it.
>> Eventually D will support dynamically linking to Phobos.
>
> I think it is worth remembering that this doesn't actually reduce the
> size. In fact, it will increase it since the dynamic linked library
> needs all functions. The phobos.dll will be probably two or three
> megabytes, and if you are distributing a D app, you'll still have to
> offer that file... and now have the hassle of dependency management.
>
> Dynamic linking might look less scary when your ls sees 20 KB instead of
> 600 but it doesn't really change anything substantial.
Agreed 100%. But newcomers don't often get that far down the chain of
thought, they just see a huge exe and wonder WTF! :) The short answer is
"it's statically linked" and the longer answer is.. as you say, there are
pros/cons to each and we have issues in D around the GC and how that would
work in a dynamically linked situation IIRC.
R
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