[MPlayer-dev-eng] [PATCH] configure: deal with newer head's and tail's dislike of -1

[Reimar Döffinger]

Hi,
> another attempt. Newer versions of head and tail don't like the '-1'
> syntax while older versions don't know the '-n' parameter. With this
> patch configure checks if head and tail can use '-1' without outputting
> a warning and defines their own functions _head and _tail accordingly.

I'm against caring about stupid warnings.
I _might_ support a patch that test if the -$1 syntax _works_ and
if not uses -n $1.

Greetings,
Reimar Döffinger