From 72a1e22cc5ddc24886a2c6c86252ff616449bba7 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sun, 05 May 2013 16:24:34 -0400
Subject: configure: Normalize dependency parameter names.

---
diff --git a/configure b/configure
index 6600539..6041650 100755
--- a/configure
+++ b/configure
@@ -278,7 +278,8 @@ find_dep_cmd()
 		: ${_element=-.}
 		if [ -f "${_element}/${_dep}" -a -x "${_element}/${_dep}" ]; then
 			${quiet} || printf '%s/%s\n' "${_element}" "${_dep}"
-			eval "${_dep}"=\"${_element}/${_dep}\"
+			_var="$(printf '%s' "${_dep}" | tr -c '[a-z0-9]' '_')"
+			eval "${_var}"=\"${_element}/${_dep}\"
 			return 0
 		fi
 	done
@@ -302,7 +303,8 @@ find_dep_lib()
 		: ${_element=-.}
 		if [ -d "${_element}/${_dep}" ]; then
 			${quiet} || printf '%s/%s\n' "${_element}" "${_dep}"
-			eval "${_dep}"=\"${_element}/${_dep}\"
+			_var="$(printf '%s' "${_dep}" | tr -c '[a-z0-9]' '_')"
+			eval "${_var}"=\"${_element}/${_dep}\"
 			return 0
 		fi
 	done
--
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