[FFmpeg-devel] [PATCHv2] configure: colorize warning messages

[Ganesh Ajjanagadde]

This patch introduces color warning messages (yellow).
They are enabled whenever available.
Tested with zsh, bash, and sh (bash under --posix).

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
---
 configure | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 5913090..4f712c1 100755
--- a/configure
+++ b/configure
@@ -416,6 +416,13 @@ EOF
 }
 
 quotes='""'
+if test -t 1; then
+    ncolors=$(tput colors)
+    if test -n "$ncolors" && test $ncolors -ge 8; then
+        warn_color=$'\033[33;1m'
+        reset_color=$'\033[0m'
+    fi
+fi
 
 log(){
     echo "$@" >> $logfile
@@ -6201,7 +6208,7 @@ echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
 cp_if_changed $TMPH libavutil/avconfig.h
 
 if test -n "$WARNINGS"; then
-    printf "\n$WARNINGS"
+    printf "\n%s$WARNINGS%s" "$warn_color" "$reset_color"
     enabled fatal_warnings && exit 1
 fi
 
-- 
2.5.0