On Mon, Jul 30, 2012 at 07:23:48PM -0400, Ed Maste wrote:
> The FreeBSD version of xargs does not run the utility argument on empty
> input, while GNU xargs runs it at least once, even with empty input. As
> a result on FreeBSD VSCTL_CHECK_FIND returned no output for an empty
> bridge list while on Linux it returned a single blank line. Add a new
> VSCTL_CHECK_FIND_EMPTY to explicitly match an empty bridge list.
>
> Signed-off-by: Ed Maste <[email protected]>
I think that we could avoid the need for VSCTL_CHECK_FIND_EMPTY by
changing
| sort | xargs echo
in VSCTL_CHECK_FDIN to
m4_if([$2], [], [], [| sort | xargs echo])
Does that work?
Thanks,
Ben.
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