From e5157f0dc5557f504ac752bb4687499a51e59bae Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Mon, 08 Oct 2012 21:00:22 -0400
Subject: Make opkhelper-3.0 an optional dependency.

---
(limited to 'configure')

diff --git a/configure b/configure
index ceeeb6e..5b9daf7 100755
--- a/configure
+++ b/configure
@@ -40,7 +40,7 @@ dep_cmds='
 sh
 opkg
 '
-dep_libs='
+opt_dep_libs='
 opkhelper-3.0
 '
 
@@ -57,6 +57,8 @@ sysconfdir
 
 features="${dep_cmds}
 ${dep_libs}
+${opt_dep_cmds}
+${opt_dep_libs}
 metadata"
 
 subst_vars="package_name
@@ -84,6 +86,20 @@ main()
 			find_dep_lib "${dep}" || missing_deps='true'
 		fi
 	done
+	for dep in ${opt_dep_cmds}; do
+		dep_name="$(printf '%s' "${dep}" | tr -c '[a-z0-9]' '_')"
+		dep_val="$(eval echo \$\{"${dep_name}"\})"
+		if [ -z "${dep_val}" ]; then
+			find_dep_cmd "${dep}"
+		fi
+	done
+	for dep in ${opt_dep_libs}; do
+		dep_name="$(printf '%s' "${dep}" | tr -c '[a-z0-9]' '_')"
+		dep_val="$(eval echo \$\{"${dep_name}"\})"
+		if [ -z "${dep_val}" ]; then
+			find_dep_lib "${dep}"
+		fi
+	done
 
 	if ${missing_deps}; then
 		cat <<EOF
@@ -143,6 +159,8 @@ Features:
 Dependencies:
   --with-sh=PATH          use sh at PATH
   --with-opkg=PATH        use opkg at PATH
+
+Optional Dependencies:
   --with-opkhelper-3.0=PATH
                           use opkhelper-3.0 at PATH
 EOF
--
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