From 9c77fd70c41af34faf43e070397b422c3ca43c1e Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sat, 25 Jun 2016 16:18:15 -0400
Subject: build system: configure test optimization: remove `expr` sub-shell
 invocation.

---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index dcce5fc..8208052 100755
--- a/configure
+++ b/configure
@@ -316,7 +316,7 @@ native_defaults()
 	mb_native_os_sizeof_pointer=`$mb_native_cc -dM -E - < /dev/null \
 			| awk '$2 == "__SIZEOF_POINTER__" { print $3 }'`
 
-	mb_native_os_bits=`expr '8' '*' '0'"$mb_native_os_sizeof_pointer"`
+	mb_native_os_bits=$((8 * ${mb_native_os_sizeof_pointer:-0}))
 
 	if [ $mb_native_os_bits = 32 ]; then
 		mb_native_os_underscore='_'
-- 
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