[Lazarus] System variables visibility

[John Landmesser]

On 31.03.2016 17:16, John Landmesser wrote:
> Hi,
>
> i developed an application ( Linux ) that need to know where 
> $ORACLE_HOME points to.
>
> The only way was to start my app with a shell-script, defining:
>
> #! /bin/bash
> export ORACLE_HOME=/usr/lib/oracle/....
>
> # run my app
> Lazarus_Oracle_app
>
> Had no success defining this variable in bashrc or profile.
>
> But why do i have to define this in my start-script?
>
> Annotation:
> perhaps i have to search the sources of ZeosLib, that i'm using 
> because of german Umlauts-problems in OracleConnection
>
> Thanks for tipps!!
>
> -- 
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  i think i found the explanation:

oracle tells me:

> 3. Set the environment variable LD_LIBRARY_PATH to the appropriate 
> directory for the Instant Client version, for example:
>
> export LD_LIBRARY_PATH=/usr/lib/oracle/12.1/client64/lib:$LD_LIBRARY_PATH
>

so $ORACLE_HOME is not needed but on modern Linux

LD_LIBRARY_PATH is ALLWAYS empty, even if its declared in bashrc or profile

I didn't tell you that i defined LD_LIBRARY_PATH in my script and LD_LIBRARY_PATH is blanked as i remember and testet just now.

Debian Sid.

Uh thats all really tricky and i'm no geek :-))




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