[ovs-dev] [PATCH] acinclude: fix issue when configuring with --with-dpdk

[Ben Pfaff]

On Wed, Jun 01, 2016 at 06:48:07PM +0200, Mauricio Vasquez B wrote:
> when an empty path is given to the --with-dpdk option
> (--with-dpdk="" or --width-dpdk=$NON_SET_ENV_VARIABLE) the configure
> script does not show any error and configures OvS without DPDK support,
> this can create some confusion.
> 
> This patch modifies that behavior showing an explicity error in that case.
> 
> Signed-off-by: Mauricio Vasquez B <mauricio.vasquezbernal at studenti.polito.it>

Applied, thanks!