Re: How to find out whether the installed OOo is 32- or 64-bit

On 11.04.11 15:35, Stephan Bergmann wrote:
> On 04/11/11 14:42, rony wrote:
>>
>> On 11.04.2011 13:16, Stephan Bergmann wrote:
>>> On 04/11/11 12:24, rony wrote:
>>>> What I would be after would be to get this information at installation
>>>> time without any user-interaction (most won't know what would be asked)
>>>> in a platform independent manner.
>>>>
>>>> Something equivalent to a hyptohetic "uninfo bitness" returning either
>>>> "32", "64" or "32 64" (if a universal binary).
>>>
>>> I don't think there is something better than inspecting the binaries
>>> with platform specific tools right now. Internally, of course, OOo
>>> knows what "platform" (x86 Linux, x64 Linux, x86 Mac OS X, etc.) it
>>> is---this is at least needed when filtering out extension material
>>> that is not appropriate for the given platform. (Also, the standard
>>> ways to interact with an OOo installation is either via UNO, which
>>> abstracts over those platform details, or through extensions, which
>>> already support platform differences.)
>> It seems that this is some sort of a chicken and egg problem.
>>
>> E.g. on MacOSX: if one uses Java to query the configuration via UNO, it
>> may be the case that 64-bit Java is used instead of a 32-bit Java when
>> getting in touch with OOo/UNO, which may be a 32-bit (and sometimes in
>> the future) a 64-bit implementation or both (universal binary).
>
> Right, when you want to use the OOo's URE to set up a UNO connection to
> OOo, you easily run into this chicken/egg problem.
>
>> If no crash is to be expected, what configuration service/path should I
>> use to figure out the architecture/memory model? (Didn't find anything
>> in the schema "Setup.xcs" nor in "Setup-brand.cxu".) Or with other
>> words, is there an XML-file that carries this information, and if so
>> what is its name and element (this would be even easier to analyze
>> without the need to directyl interact with UNO).
>
> Jochen (now on CC) should know how OOo's extension manager determines
> the current platform.

The platform is determined ad build time. At runtime one can use then 
the bootstrap variables $_OS and $_ARCH to get the information.

-Joachim

>
> -Stephan

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