From 1a664a80a9cf7186fd5a0337dc36d432af7ddd8f Mon Sep 17 00:00:00 2001
From: Maxim Dounin <mdounin@mdounin.ru>
Date: Sat, 13 Aug 2011 15:15:50 +0000
Subject: [PATCH] Configure: catch up with new Linux version numbering (ticket
 #5).

Catch up with new Linux version numbering scheme as announced at [1] and
suppress unrecognized versions to actually use default 0.

[1] https://lkml.org/lkml/2011/5/29/204
---
 auto/os/linux | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/auto/os/linux b/auto/os/linux
index 9db5f26f3..394cd87bc 100644
--- a/auto/os/linux
+++ b/auto/os/linux
@@ -18,7 +18,9 @@ CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"
 # Linux kernel version
 
 version=$((`uname -r \
-       | sed 's/^\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1*256*256+\2*256+\3/'`))
+    | sed -n -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/ \
+                                                 \1*256*256+\2*256+\3/p' \
+             -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\).*/\1*256*256+\2*256/p'`))
 
 version=${version:-0}