I installed this latest threads into a directory and wrote following code and still get this error message?

Can't locate auto/threads/is_running.al in @INC (@INC contains: /nss/nfx/thread_libs/lib/ ....

Would you know why? Is there a way I can tell what version of threads package it is using?

#!/usr/bin/perl

use lib "/ssy/nos/thread_libs/lib/";
use threads;

my @threads;

for (0 ..3) {
    my $thr = threads->create(
        sub { sleep 2; }
    );
    $thr->detach();
    push @threads, $thr;
}

 # then later
for my $thr ( @threads ) {
    print 'Thread ', $thr->tid, $thr->is_running() ? ' is running' : '
+ is not running';
}
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Again, going back to where we already were, you can use the following snippet:

perl -Mthreads -e 'use lib "/ssy/nos/thread_libs/lib/";die $threads::V
+ERSION'
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... or you can output the version information from your script:

use threads;

print "Using threads.pm version $threads::VERSION\n";
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I am still getting version 1.07 for threads.pm

Here is what I did to install latest threads.

1. downloaded threads-1.77.tar.gz
2. untared into /ssy/nos/threads_lib
3. cd /ssy/nos/threads_lib/threads-177
4. perl Makefile.PL PREFIX=/ssy/nos/threads_libs/lib
5. make
6. make test
7. make install
8. perl -Mthreads -e 'use lib "/ssy/nos/thread_libs/lib/";die $threads
+::VERSION'
I get: 1.07 at -e line 1.
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I also checked that threads.pm exist at location:

/ssy/nos/thread_libs/lib/lib64/perl5/5.8.8/x86_64-linux-thread-multi/
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OK I finally got it working.

gambit$ perl -Mthreads -e 'use lib "/ssy/nos/thread_libs/lib/lib64/per
+l5/5.8.8/x86_64-linux-thread-multi/";die $threads::VERSION'

I got 1.07 at -e line 1
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But If I run this. I get correct message

#!/usr/bin/perl

use lib "/ssy/nos/thread_libs/lib/lib64/perl5/5.8.8/x86_64-linux-threa
+d-multi/";
use threads;
print "Using threads.pm version $threads::VERSION\n";

Output: Using threads.pm version 1.77
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oh and also If I include path up to /ssy/nos/thread_libs/lib/lib64/ in perl script I get 1.07.

Never the less I got it with you help. thanks so much again.