[Cluster-devel] patch for cluster 3.1.8's 'configure'

[Digimer <linux@alteeve.com>]

This patch fixes two small bugs in cluster's "configure" script;

1. When checking the x.y.z kernel version values, it changes the '!$foo'
to 'not defined $foo'. This is because a version number of '0' matches
"not" (!$foo). A safer but slower approach would be to do '$foo =~
/^\d+$/'. Not sure which is preferred.

2. Added a check where if 'x' in 'x.y.z' is greater in the detected
kernel than in the minimum required kernel, the test passes. This
handles 3.x kernels where the minimum is 2.y.

I tested this patch against Fedora 16 x86-64 and Ubuntu 11.10 amd64.

-- 
Digimer
E-Mail:              digimer at alteeve.com
Freenode handle:     digimer
Papers and Projects: http://alteeve.com
Node Assassin:       http://nodeassassin.org
"omg my singularity battery is dead again.
stupid hawking radiation." - epitron
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