-cf_search_path=`echo "$PKG_CONFIG_LIBDIR" | sed -e 's/:/ /g' -e 's,^[ ]*,,'`
+if test -n "$PKG_CONFIG_PATH"; then
+ cf_search_path=`echo "$PKG_CONFIG_PATH" | sed -e 's/:/ /g' -e 's,^[ ]*,,' -e 's,[ ]*$,,'`
+elif test -n "$PKG_CONFIG_LIBDIR"; then
+ cf_search_path=`echo "$PKG_CONFIG_LIBDIR" | sed -e 's/:/ /g' -e 's,^[ ]*,,' -e 's,[ ]*$,,'`
+else
+ cf_search_path=auto
+fi