Why is libphobos not a shared library?

[Dejan Lekic]

On Thu, 14 Jun 2012 15:28:44 +0100, Iain Buclaw wrote:

> On 14 June 2012 14:18, Matthew Caron <Matt.Caron at redlion.net> wrote:
>> On 06/14/2012 09:08 AM, Iain Buclaw wrote:
>>>
>>> Hi Matthew,
>>>
>>> This is a pet peeve with us at the moment.  Yes, I can produce a
>>> shared libphobos for you, but the default runtime implementation does
>>> not support it, and the current workaround is specific to Linux
>>> systems only - possibly other related POSIX systems too, so long as
>>> /proc/self/maps exists on the system.
>>>
>>> Regards
>>
>>
>> I am not professing to have copious amounts of time, but how might I be
>> able to help, even if it is just to test things?
>>
>> I have, at my disposal, the standard complement of x86 Linux boxen, as
>> well as a variety of ARM-ish processors (hence my interest in cross
>> compiling D), ranging from ARM9 (armv5t) up to Cortex-A8.
>>
>> If adoption of D at my company proceeds, this will become more of a
>> hot-button issue because demand for it will increase. As such, I might
>> be able to actually devote some on the clock engineering time to it,
>> rather than doing it in my spare time. As of right now, it is termed
>> "not for production use", because D and GDC are both fairly new. (Yes,
>> I know both D2 and GDC are both over 5 years old, but we're that
>> conservative.). The crux of the issue is that, when you're trying to
>> cram as much as you can into 16MB of NAND, shared libraries are your
>> best friend.
>>
>>
>>
> If the idea is to cram as much into 16MB of NAND, I would suggest that
> you avoid building libphobos at all, and just have the libdruntime
> library.  I will need to add this as a switch to the build for you. If
> you need any guidance on building as a shared library, I'll be available
> on IRC from around 7.30pm GMT+0 time.  Either on Freenode or OFTC in #d
> and #d.gdc.
> 
> 
> Regards

I wish I could do that with DMD... DMD has -defaultlib=<name> but if 
developer leaves <name> to be empty compilation will fail.




-- 
Dejan Lekic
  mailto:dejan.lekic(a)gmail.com
  http://dejan.lekic.org