Is there something like $ORIGIN for AIX ld?

[Volker Simonis]

Hi Jonathan,

that exactly how I've done it for now.
Nevertheless I was interested if such a feature exists on AIX because
it may useful in other use cases as well.

Regards,
Volker

On Fri, Sep 14, 2012 at 10:49 AM, Jonathan Lu <luchsh at linux.vnet.ibm.com> wrote:
> Hello Volker,
>
> How about just using static linking? which also makes the executable
> 'independent' from other libraries.
>
> Regards
> Jonathan
>
>
> On 09/13/2012 05:34 PM, Volker Simonis wrote:
>>
>> Hi,
>>
>> in OpenJDK 7 the java executable is by default linked against
>> libjli.so which is located under jre/lib/amd64/jli/libjli.so.
>> libjli.so is found by the runtime linker because the java executable
>> was linked with a corresponding
>> "-Wl,-rpath,$ORIGIN/../jre/lib/amd64/jli" option which allows the
>> executable to find the library relatively to its own location.
>>
>> My question is, if there exists a similar construct for AIX?
>>
>> The same question (in some more detail) has been already asked some
>> time ago in a IBM developerworks forum
>> (http://www.ibm.com/developerworks/forums/message.jspa?messageID=14036328)
>> and because I'm just to lazy to reformulate it with my own words,
>> here's it is:
>>
>> "
>> ...
>> I want to make my executable, which uses shared libraries, independent
>> of any shared library path setings (LIBBPATH ...). Instead the shared
>> libraries should
>> always be searched for in the directory in which the executable resides.
>> This is to ease installation and to ensure, my app always picks up the
>> right libraries.
>>
>> On Platforms like linux, hpux and solaris this can easily be handeled
>> by placing $ORIGIN in the link line (e.g. on linux: gcc -Wl,-rpath,$ORIGIN
>> ...
>> or on hpux: ld +b \$ORIGIN ... or on solaris: ld -R \$ORIGIN ...)
>>
>> By doing this and placing all shared libraries that my executbale
>> needs in the same
>> directory as the executbale itself, the shared libraries are always found
>> from
>> that location relative to the location of the executable in the
>> filesystem.
>> This works because $ORIGIN is resolved by the dynamic loader not at
>> linktime but
>> at execution time. It is resolved to the directory in which the
>> executbale resides.
>>
>> I could not find anything like this for AIX.
>> Is there such a mechanism on AIX as well?
>> ...
>> "
>>
>> Regards,
>> Volker
>>
>