| Is it possible to set the linux library path for shared libraries? [message #192376] |
Fri, 01 June 2007 08:10  |
Eclipse User |
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Originally posted by: objectivedynamics.homail.com
Hi,
Let me firstly say that I'm relatively new to both Eclipse and Linux so
please forgive me if I'm asking a dumb question here ;o)
I am developing a library that is intended to run on both Linux and Windows
(XP) and I am using Eclipse as the IDE.
I am able to compile, link, run and debug the program without problems on XP
and I'm able to compile and link the program on (Ubuntu 7.04) Linux.
However, I run into problems when I try to execute the program on Linux. I
get the following error:
error while loading shared libraries: libaeryn_core.so.2: cannot open
shared object file: No such file or directory
The file does exist but it's not in a standard place - it's in
/home/mike/development/Aeryn/build/lib.
Can anyone tell me how I can set up Eclipse so that when the application is
loaded, it will locate the correct shared library?
Rgds,
MikeB
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| Re: Is it possible to set the linux library path for shared libraries? [message #192402 is a reply to message #192383] |
Fri, 01 June 2007 10:55  |
| Eclipse User |
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Originally posted by: objectivedynamics.homail.com
>"Jens Seidel" <jensseidel@users.sf.net> wrote in message
>news:f3p60m$gkp$1@build.eclipse.org...
>You just have to ensure that LD_LIBRARY_PATH
>contains /home/mike/development/Aeryn/build/lib. I suggest you add
>export LD_LIBRARY_PATH=/home/mike/development/Aeryn/build/lib
>to your .bashrc so that you can start your program even outside of eclipse.
Thanks for the suggestion Jens.
I just discovered how to set LD_LIBRARY_PATH in the application's launch
configuration and was about to post a follow-up when I saw your reply.
Whilst I'm happy to set LD_LIBRARY_PATH in the launch configuration, I'm
less happy about doing it in .bashrc as I've seen bad press regarding
LD_LIBRARY_PATH :
http://xahlee.org/UnixResource_dir/_/ldpath.html
Having looked into it a bit further, LD has an -rpath option which adds a
directory to the runtime library search path for the application.
So, I am able to set
-rpath /home/mike/development/Aeryn/build/lib
in Project Properties, miscellaneous settings for the GCC C++ Linker
After doing this, I'm able to run the application from both Eclipe and bash
without setting LD_LIBRARY_PATH at all.
Rgds,
MikeB
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