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# 1  

Hi all,

I want to run a 32 bit program on a 64 bit linux machine. Installing the program was no issue but when I try to run it I get Warnings that look like this:

Gtk-WARNING **: Unable to locate theme engine in
module_path: "oxygen-gtk"

Gtk-WARNING **: Unable to locate theme engine in module_path: "clearlooks"

Couldn't find an easy solution when I googled the problem Smilie

Would be great if you could help!


Last edited by Scrutinizer; 03-01-2013 at 07:50 AM.. Reason: code tags
# 2  
It looks like your dependencies are not available as 32bit libraries, or if they do exist; or you do not have LD_LIBRARY_PATH set to accomodate them.

When you run 32/64/ there normally is some kind of dichotomy in the library tree
/usr/lib           <- default 64 bit
/usr/lib/lib32   <- 32 bit libraries

There are variations on this.

This is true for library trees in /opt, $ORACLE_HOME or anywhere else on your system.

What is the output of:
ldd my32bitapp

Resolve all of the 'not found' entries.

Next, for each library in the list produced above:
ldd libraryname

Resolve not found entries.

This is a dependency problem. And you may find libraries that require other libraries that require even more libraries.
# 3  
So I think in my case the dichotomy in the library tree is like this:

/usr/lib64/  <-- default 64 bit
/usr/lib       <-- 32 bit libaries

But I'm not sure. So how can I test that?

The output of

ldd my32bitapp


ldd: ./my32bitapp: No such file or directory

Any further suggestions?
# 4  
This is not a standard linker error.
look for GTK environment variables
env | grep GTK

Eventually there is a mismatch between your current GTK environment variables and the 32-bit GTK environment?
Then maybe it helps to undefine them?
unexport GTK_PATH

Or redefine them?
Look for missing (32-bit) gtk package like gtk-engines.
rpm -qa | grep '^gtk'


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