LD_LIBRARY_PATH in Ubuntu

[Gerald Dachs]

Am Fri, 29 Feb 2008 11:03:07 +0100
schrieb "Rutger van Haasteren" <rvhaasteren at gmail.com>:

> Hi guys,
> 
> I am hoping one of you can help me. I have a problem loading custom
> shared object (.so) files which are not installed on the system (I do
> not have root access). Here's the deal:
> 
> I've written a C++ program that is configured and built using the GNU
> built system. Relevant layout:
> root
> + - src
> + - lib
> + - include
> 
> In lib and include I have some custom scientific libraries that I
> need: lib/custom_lib.so   include/custom_header.h
> 
> My configure script successfully detects those custom libs, and
> builds my program. But I do not know how to run them. On my work I
> have fedora, and there I simply set the LD_LIBRARY_PATH environment
> variable to point to the lib/ directory, but this does not work at
> home (yes, I like to work at home) on Ubuntu. On some other distro's
> I have tried it works. This returns empty in Ubuntu:
> 
> [1]-$ echo $LD_LIBRARY_PATH
> 
> [2]-$

You didn't set the path, at least not in the same session:
~$ export LD_LIBRARY_PATH=somedir
~$ echo $LD_LIBRARY_PATH
somedir

Gerald