What is LD_LIBRARY_PATH? (Was Re: [gentoo-user] OpenOffice 2.3.1 Won't Start As User)

[Drew Tomlinson <drew@mykitchentable.net>]

Philip Webb wrote:
> 080221 Drew Tomlinson wrote:
>   
>> I emerged OpenOffice 2.3.1 on my amd64 install running gentoo-2.6.23-r5.
>> I can start OpenOffice as root but not as a regular user.
>>     
>
> How are you starting it ?  Do you enter eg 'oocalc' from a CLI
> or do you click on an icon in a start menu ?  If the latter,
> check that the menu is using the correct command (eg use Kmenuedit).
> If the former, are there any error messages ?
>   

I have started it both ways as a user.  As root, I start from the CLI 
after su to root from my user login.

There are no error messages.  When starting as a user, the splash 
graphic just sits there and the CPU usage is basically 100% for both X 
and oosplash.bin.  When starting as root, the splash graphic starts and 
then a progress bar at the bottom of the splash graphic progresses in 
about 10 seconds and OpenOffice starts.  The progress bar never 
progresses when starting as a user.  I have to kill oosplash.bin with 
signal 15 after starting as a user to return my system to normal.

Some more Googling turned up this post:

http://forums.gentoo.org/viewtopic-t-623771-postdays-0-postorder-asc-start-25.html?sid=1514fa8e48f6a12a86c6c66e920161e9

I found that when I su to root, LD_LIBRARY_PATH is not defined.  As a 
user, it is defined as:

LD_LIBRARY_PATH=/usr/lib32/xorg:/usr/lib64/xorg

If I unset LD_LIBRARY_PATH in a user terminal, then OpenOffice starts.  
So what is LD_LIBRARY_PATH and why am I seeing this behavior?

Thanks,

Drew





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