[Mesa-stable] [PATCH v2] configure.ac: ensure RM is set

[Emil Velikov]

On 10 October 2015 at 07:42, Jonathan Gray <jsg at jsg.id.au> wrote:
> GNU make predefines RM to rm -f but this is not required by POSIX
> so ensure that RM is set.  This fixes "make clean" on OpenBSD.
>
> v2: use AC_CHECK_PROG
>
I'm ambivalent if we go the AC_CHECK_PROG vs ?= route.

I'll let others pick their favourite, but both are
Reviewed-by: Emil Velikov <emil.l.velikov at gmail.com>

-Emil