[FFmpeg-devel] [PATCH V5 2/2] configure: replace 'pr' with printf since busybox does not support pr

[Guo, Yejun]

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

contributor: Kylie McClain <somasis at exherbo.org>
contributor: avih <avihpit at yahoo.com>
Signed-off-by: Guo, Yejun <yejun.guo at intel.com>
---
 configure | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index ad1b183..4215765 100755
--- a/configure
+++ b/configure
@@ -502,9 +502,13 @@ log(){
 }
 
 log_file(){
-    log BEGIN $1
-    pr -n -t $1 >> $logfile
-    log END $1
+    log BEGIN "$1"
+    log_file_i=1
+    while IFS= read -r log_file_line;do
+        printf '%5s   %s\n' "${log_file_i}" "${log_file_line}"
+        log_file_i=$(($log_file_i+1))
+    done < "$1" >> "$logfile"
+    log END "$1"
 }
 
 warn(){
-- 
2.7.4