From bb839b71b05c8123b345ac3c36dccc1a49e053f7 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sat, 27 Oct 2012 16:46:46 -0400
Subject: Improve IFS resetting in ob_reduce_deps().

---
(limited to 'lib')

diff --git a/lib/deps.sh b/lib/deps.sh
index 3f54386..853e55b 100644
--- a/lib/deps.sh
+++ b/lib/deps.sh
@@ -174,8 +174,7 @@ ob_parse_dep()
 ob_reduce_deps()
 {
 	_ob_local _obrd_opt _obrd_host_arch _obrd_host_plat _obrd_deps \
-		_obrd_orig_ifs _obrd_dep_and _obrd_dep_or \
-		_obrd_dep_list _obrd_dep_or_list _obrd_dep
+		_obrd_dep_and _obrd_dep_or _obrd_dep_list _obrd_dep_or_list _obrd_dep
 
 	_obrd_union='false'
 
@@ -205,15 +204,14 @@ ob_reduce_deps()
 		return ${?}
 	fi
 
-	_obrd_orig_ifs="${IFS}"
 	IFS=','
 	for _obrd_dep_and in ${_obrd_deps}; do
-		IFS="${_obrd_orig_ifs}"
+		unset IFS
 		if ! ${_obrd_union}; then
 			IFS='|'
 			_obrd_dep_or_list=
 			for _obrd_dep_or in ${_obrd_dep_and}; do
-				IFS="${_obrd_orig_ifs}"
+				unset IFS
 				_obrd_dep="$(ob_parse_dep -a "${_obrd_host_arch}" \
 					-P "${_obrd_host_plat}" "${_obrd_dep_or}")"
 				if [ -n "${_obrd_dep}" ]; then
@@ -240,6 +238,7 @@ ob_reduce_deps()
 			fi
 		fi
 	done
+	unset IFS
 
 	echo "${_obrd_dep_list}"
 
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