How to prevent 64bit library paths being searched for 32bit binaries on amd64?

[Steven Hartland]

I've just been trying to get a 32bit binary to work on amd64 7.0-RELEASE,
the binary had some qt4 dependencies so I set about copying these into
/usr/local/lib32 but it seems that for some reason /usr/local/lib is
searched first which obviously causes problems when here is a 64bit
library of the same name.

/etc/rc.d/ldconfig start 
shows:-
ELF ldconfig path: /lib /usr/lib /usr/lib/compat /usr/local/lib
 /usr/local/lib/compat/pkg /usr/local/lib/compat/pkg
 /usr/local/lib/mysql /usr/local/lib/pth
32-bit compatibility ldconfig path: /usr/lib32 /usr/local/lib32
 /usr/local/lib32/mysql /usr/local/lib32/qt4

LD_LIBARY_PATH isn't set

So the question is why is /usr/local/lib searched for a 32bit binary?

Is it possible the binary itself is setting it and if so how to I
override it?

    Regards
    Steve

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