configure: replace 'pr' with printf since busybox does not support pr
authorGuo, Yejun <yejun.guo@intel.com>
Wed, 24 Apr 2019 13:13:21 +0000 (21:13 +0800)
committerAlexander Strasser <eclipse7@gmx.net>
Wed, 15 May 2019 19:54:31 +0000 (21:54 +0200)
commitae6486c6251039d3a6bb5a90e1d818331cf55edc
treeb557a08aa8907fdaf4b56b2202e505a43f276c52
parent13168ecbdc03c25065f2d1394aa6f2447b33600e
configure: replace 'pr' with printf since busybox does not support pr

This patch is based on https://trac.ffmpeg.org/ticket/5680 provided by
Kylie McClain <somasis@exherbo.org> at Wed, 29 Jun 2016 16:37:20 -0400,
and have some changes.

contributor: Kylie McClain <somasis@exherbo.org>
contributor: avih <avihpit@yahoo.com>
Signed-off-by: Guo, Yejun <yejun.guo@intel.com>
configure