--- loncom/html/adm/LC_math_editor/build.sh	2014/09/24 18:14:31	1.1
+++ loncom/html/adm/LC_math_editor/build.sh	2015/02/24 15:20:36	1.2
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# this builds dist/LC_math_editor.min.js using google closure compiler with compressjs.
+# this builds dist/LC_math_editor.min.js using google closure compiler.
 # It must be run in the math_editor directory.
 
 cd "$(dirname "$0")"
@@ -18,12 +18,20 @@ cat <<% >>$tmp
         "Operator": Operator,
         "ParseException": ParseException,
         "Parser": Parser,
-        "initEditors": initEditors
+        "initEditors": initEditors,
+        "updateMathSpanAndDiv": updateMathSpanAndDiv
     });
 }();
 %
 
+# use the local application if Java is available
+if hash java 2>/dev/null; then
+    java -jar lib/compiler.jar --language_in=ECMASCRIPT5_STRICT --compilation_level=SIMPLE_OPTIMIZATIONS $tmp >dist/LC_math_editor.min.js
+    exit 0
+fi
+
+# otherwise use the web service with compressjs.sh
 NEWFILE="c`date +"%d%m%y"`.js"
-/bin/sh ../../../build/compressjs.sh -strict $tmp
+/bin/sh ./compressjs.sh -strict $tmp
 mv "$NEWFILE" ./dist/LC_math_editor.min.js
 rm -f $tmp