Dear all Monks:

I have writen a perl script, and It will be placed on both i386 and x86_64 arch boxes. I write it in a x86_64 box, and install the x86_64 modules I need in the local project directory, not the default /usr/lib or /usr/local/lib directory,like these:

"./lib/perl5/site_perl/5.8.5";
"./lib64/perl5/5.8.5/x86_64-linux-thread-multi";
"./lib64/perl5/site_perl/5.8.5/x86_64-linux-thread-multi";

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my crrent work directory is "/home/larry/project/client_script". And I add 'use lib...' to instruct the script to find the local modules, like these:
use lib "./lib/perl5/site_perl/5.8.5";
use lib "./lib64/perl5/5.8.5/x86_64-linux-thread-multi";
use lib "./lib64/perl5/site_perl/5.8.5/x86_64-linux-thread-multi";

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it works well in x86_64 box, but when I put this script in a i386 box, and also install the i386 modules I need in these directory:
"./lib/perl5/5.8.5/i386-linux-thread-multi";
"./lib/perl5/site_perl/5.8.5/i386-linux-thread-multi";

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and add these "use lib...." to my script:
use lib "./lib/perl5/5.8.5/i386-linux-thread-multi";
use lib "./lib/perl5/site_perl/5.8.5/i386-linux-thread-multi";

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so, finally, I install both i386 and x86_64 modules in my local project directory:
"./lib/perl5/site_perl/5.8.5";
"./lib64/perl5/5.8.5/x86_64-linux-thread-multi";
"./lib64/perl5/site_perl/5.8.5/x86_64-linux-thread-multi";
"./lib/perl5/5.8.5/i386-linux-thread-multi";
"./lib/perl5/site_perl/5.8.5/i386-linux-thread-multi";

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and add these "use lib..." in my script:
use lib "./lib/perl5/site_perl/5.8.5";
use lib "./lib64/perl5/5.8.5/x86_64-linux-thread-multi";
use lib "./lib64/perl5/site_perl/5.8.5/x86_64-linux-thread-multi";
use lib "./lib/perl5/5.8.5/i386-linux-thread-multi";
use lib "./lib/perl5/site_perl/5.8.5/i386-linux-thread-multi";

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then I try to run this script in i386 and x86_64 box respectively, It doesn't work!! This script can't find the right modules in both i386 and x86_64 boxes. For example, there are two arch "threads" module placed in my project directory:
./lib/perl5/5.8.5/i386-linux-thread-multi/threads.pm
./lib64/perl5/5.8.5/x86_64-linux-thread-multi/threads.pm

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and when I try to run the script in a x86_64 box, it throws this error:
Can't load '/home/larry/project/client_script/lib/perl5/5.8.5/i386-lin
+ux-thread-multi/auto/threads/threads.so' for module threads: /home/la
+rry/project/client_script/lib/perl5/5.8.5/i386-linux-thread-multi/aut
+o/threads/threads.so: cannot open shared object file: No such file or
+ directory at /usr/lib64/perl5/5.8.5/x86_64-linux-thread-multi/XSLoad
+er.pm line 68.

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when run in i386 box, it throws this error:
Can't load '/home/larry/project/client_script/lib64/perl5/5.8.5/x86_64
+-linux-thread-multi/auto/threads/threads.so' for module threads: /hom
+e/larry/project/client_script/lib64/perl5/5.8.5/x86_64-linux-thread-m
+ulti/auto/threads/threads.so: cannot open shared object file: No such
+ file or directory at /usr/lib/perl5/5.8.5/i386-linux-thread-multi/XS
+Loader.pm line 68.

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But, if I preserve the only right arch "use lib ..." respectively, It works well on both i386 and x86_64 boxes.
My question is: Is there any way to instruct the perl to load the right arch modules in both i386 and x86_64 boxes?

In reply to How to instrust Perl to load the right modules based on architecture? by sunshine_august

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