Groups > comp.os.linux.development.system > #483

Re: rpath for library loading

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From	Philipp Kraus <philipp.kraus@flashpixx.de>
Newsgroups	comp.os.linux.development.system
Subject	Re: rpath for library loading
Date	Mon, 17 Dec 2012 13:36:54 +0100
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On 2012-12-17 11:42:50 +0100, Richard Kettlewell said:

> Philipp Kraus <philipp.kraus@flashpixx.de> writes:
>> I hope somebody can explain me a little bit the loader process for
>> shared libraries.  I have got a library "libmylib.so", this depends on
>> some other libs. I have set the rpath to "./". If I run "ldd
>> libmylib.so" all depend libraries will be found. I do not need to
>> setup any environment variables. All *.so files are in the same
>> directory.
>> 
>> If I load my "libmylib.so" in my application I get an error that the
>> depend libraries are not found. IMHO the rpath flag tells the library
>> in which directory the library should be found, so in my case rpath is
>> "./" the library should be found relative to "libmylib.so" eg:
> 
> An rpath of . means it looks in the current directory at the time of
> execution, not in the same location as the object containing the rpath.

That's bad. Can I add a flag that the rpath should be relative to the other
DLL? Under OSX I use @loader_path

Thanks

Phil

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Thread

rpath for library loading Philipp Kraus <philipp.kraus@flashpixx.de> - 2012-12-17 09:53 +0100
  Re: rpath for library loading Richard Kettlewell <rjk@greenend.org.uk> - 2012-12-17 10:42 +0000
    Re: rpath for library loading Philipp Kraus <philipp.kraus@flashpixx.de> - 2012-12-17 13:36 +0100
      Re: rpath for library loading Richard Kettlewell <rjk@greenend.org.uk> - 2012-12-17 13:26 +0000
      Re: rpath for library loading Rainer Weikusat <rweikusat@mssgmbh.com> - 2012-12-17 15:03 +0000

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