LD_ *vars

Ean Kingston ean at hedron.org
Sat Feb 12 16:12:30 GMT 2005


On February 12, 2005 01:41 am, Raman wrote:
> Hi,
>
> I want to modify and recompile an application already installed on my
> FreeBSD 4.10 machine and then when I'm done with it go back to the way
> it was with that application before I modified and recompiled it.

I'm not sure about the modifications to the LD vars, though it sounds 
possible.

I regularly test new versions of ports before deploying them. I do this by 
having a build environment setup in /build. I use chroot to enter the build 
environment and compile/test the software. I also do this for buildworld when 
updating the OS. This allows me to install newer (or older) versions of 
software in the build environment without affecting the running system.

> I heard I should use bash and edit the LD_* vars.  I was not able to
> find anything about them on www.freebsd.org.  I wanted to know how
> LD_PRELOAD and LD_LIBRARY_PATH worked.
>
> Thank you for your help and time.
>
> - Raman
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-- 
Ean Kingston

E-Mail: ean AT hedron DOT org
URL: http://www.hedron.org/


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