[fpc-pascal] The new Delphi 2010 RTTI

[alexvins at mail.ru]

10.01.2011 13:50, michael.vancanneyt at wisa.be пишет:
>
>
> On Mon, 10 Jan 2011, alexvins at mail.ru wrote:
>
>> 10.01.2011 13:05, michael.vancanneyt at wisa.be пишет:
>>>
>>>
>>> On Mon, 10 Jan 2011, Vincent Snijders wrote:
>>>
>>>> 2011/1/10 alexvins at mail.ru <alexvins at mail.ru>:
>>>>>>
>>>>> But I want packages to be binary portable between OS (on target 
>>>>> processor
>>>>> architecture)
>>>>
>>>>
>>>> I don't think that is feasible, unless you don't use any OS features.
>>>
>>> Exactly.
>>>
>>> Even just because FPC supports multiple CPUs; You can't use an i386 
>>> package on SPARC or ARM.
>>>
>>> So you'll always have to recompile your package for all platforms 
>>> that you want to support.
>>>
>>>
>> But only for all processors, not for all existing combinations of 
>> processor and OS.
>
> You should re-read Florian's email, and *fully* understand the 
> consequences.
>
> Your proposal requires that we emulate all OSes on all other OSes, 
> because
> the basic package (rtl or whatever it will be called) always depends 
> on the OS. There is no way around this.
>
My solution, in short,  is that packages should have OS independent 
interface to RTL built into executable visible to packages as RTL built 
as c package (with is a bridge to real RTL).