From 5169c1755133934f247afed4be723de76dd528b1 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Wed, 29 Nov 2017 19:22:02 +0100
Subject: Work around eventuality of somebody running terrible shell

---
 version-check.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/version-check.sh b/version-check.sh
index a85f023..02fe1f4 100755
--- a/version-check.sh
+++ b/version-check.sh
@@ -2,5 +2,5 @@
 set -e
 [[ -n $1 && -f $1/Makefile ]]
 [[ $(< "$1/Makefile") =~ VERSION[[:space:]]*=[[:space:]]*([0-9]+).*PATCHLEVEL[[:space:]]*=[[:space:]]*([0-9]+).*SUBLEVEL[[:space:]]*=[[:space:]]*([0-9]+) ]]
-LINUX_VERSION_CODE=$(( (${BASH_REMATCH[1]} << 16) | (${BASH_REMATCH[2]} << 8) | ${BASH_REMATCH[3]} ))
-(( LINUX_VERSION_CODE >= ((3 << 16) | (10 << 8) | 0) ))
+LINUX_VERSION_CODE=$(( (${BASH_REMATCH[1]} * 65536) + (${BASH_REMATCH[2]} * 256) + ${BASH_REMATCH[3]} ))
+(( LINUX_VERSION_CODE >= ((3 * 65536) + (10 * 256) + 0) ))
-- 
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