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List:       openvswitch-discuss
Subject:    [ovs-discuss] installing openvswitch
From:       chrisw () sous-sol ! org (Chris Wright)
Date:       2012-08-27 22:36:00
Message-ID: 20120827223600.GP4538 () sequoia ! sous-sol ! org
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* rahim entezari (rahim.entezari at gmail.com) wrote:
> checking for SSL... no
> configure: WARNING: Cannot find openssl:
> 
> No package 'openssl' found
> 
> OpenFlow connections over SSL will not be supported.

Might want to also have openssl and openssl-devel installed.

> (You may use --disable-ssl to suppress this warning.)
<snip>
> checking for Linux build directory... no
> configure: error: source dir /lib/modules/2.6.18-308.el5/build doesn't exist

I suspect /lib/modules/2.6.18-308.el5/build is a symlink pointing to
a non-existent directory (should be /usr/src/kernels/2.6.18-308.el5).

Most likely, when you installed kernel-devel package it's newer than
your running kernel.

 # rpm -q kernel kernel-devel

The simplest way to handle this is upgrade your kernel, reboot to the
new kernel, and verify you have same version of kernel and kernel-devel
packages installed.  Then you should have /lib/modules/`uname -r`/build
pointing to a valid directory.

thanks,
-chris

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