LD_LIBRARY_PATH - how to set?

[Antoon Pardon]

Op 2005-03-31, Joal Heagney schreef <joal at bigpond.net.au>:
> Joal Heagney wrote:
>> Roman Yakovenko wrote:
>> 
>>> Thanks for help. But it is not exactly solution I am looking for. I
>>> would like to do it from python script. For example
>>>
>>> update_env() #<- this function will change LD_LIBRARY_PATH
>>> import extension_that_depends_on_shared_library
>>>
>>> Roman
>>>
>>> On Mar 31, 2005 9:35 AM, John Abel <john.abel at pa.press.net> wrote:
>>>
>>>> With Solaris 8+ you would use the command crle, with Linux
>>>> (RedHat/SuSE/Mandrake) you need to add the relevant directories
>>>> /etc/ld.so.conf and run ldconfig.  I've not got a Debian box to hand, so
>>>> I can't say if it matches, but that should give you a pointer.
>>>
>>>
>>>
>>> I think I should have permissions to do it. (more over users of my
>>> scripts should have permissions )
>> 
>> 
>> Yep. Unfortunatly if you don't have access to the /etc/ld.so.conf file, 
>> the only option left is your wrapper script idea. (By the way, have you 
>> actually tested to see if setting the LD_LIBRARY_PATH actually works? If 
>> not, you're really up the creek.)
>> 
>> If the script is in shell, you could use something like:
>> 
>> (Dotted lines denote start and end of script, not actual script content)
>> -----------------------------------------------------------
>> #!/bin/sh
>> if ! echo ${LD_LIBRARY_PATH} | /bin/fgrep -q "/path/to/your/library" then
>> export LD_LIBRARY_PATH=$oldpath":/path/to/your/library"
>> fi
>> <wrapped program> $*
>> -----------------------------------------------------------
>> 
>> This will check to see if your library path is in the LD_LIBRARY_PATH, 
>> set it if it's not, and then run your wrapped program, passing it the 
>> arguments that the wrapper script was called by.
>> 
>> Joal
>
> Aaaarrrrggghhhh. Too long since I've programmed in script. Plus it 
> doesn't help changing your mind about implementation halfway through. 
> The script should read something like this:
>
> -----------------------------------------------------------
> #!/bin/sh
> if ! echo ${LD_LIBRARY_PATH} | /bin/fgrep -q "/path/to/your/library"
> then
> 	export LD_LIBRARY_PATH=$LD_LIBRARY_PATH":/path/to/your/library"
> fi
><wrapped program> $*
> -----------------------------------------------------------

And you should change that last line to:

  <wrapped program> "$@"


-- 
Antoon Pardon