From 44fb322c8501ca44faaddbbdb9743a38ec1e2d52 Mon Sep 17 00:00:00 2001
From: Reinier Zwitserloot <reinier@zwitserloot.com>
Date: Tue, 27 Mar 2018 20:35:16 +0200
Subject: [PATCH] =?UTF-8?q?rt-openjdk6=20is=20downloaded=20from=20the=20lo?=
 =?UTF-8?q?mbok=20site,=20we=20had=20a=20weird=20version=20up=20there=20fo?=
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 =?UTF-8?q?=20fairly=20fancy=20cleaning=20(a=20complete=20re-clone=20or=20?=
 =?UTF-8?q?a=20distclean).=20Updated=20build=20script=20to=20scan=20for=20?=
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---
 build.xml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/build.xml b/build.xml
index 645114a7..f6988255 100644
--- a/build.xml
+++ b/build.xml
@@ -28,8 +28,12 @@ the common tasks and can be called on to run the main aspects of all the sub-scr
 	<property name="build.compiler" value="javac1.6" />
 	<property name="ivy.retrieve.pattern" value="lib/[conf]/[organisation]-[artifact].[ext]" />
 	<available file="lib/ivyplusplus.jar" property="ivyplusplus.available" />
-	<available file="lib/openJDK6Environment/rt-openjdk6.jar" property="rt-openjdk6.available" />
-
+	<property name="openjdk6.md5" value="de953d5062b7183fbf3fa9f5d623e2e7" />
+	<checksum file="lib/openJDK6Environment/rt-openjdk6.jar" property="${openjdk6.md5}" verifyProperty="rt-openjdk6.checksumOk" />
+	<condition property="rt-openjdk6.available">
+		<equals arg1="${rt-openjdk6.checksumOk}" arg2="true" />
+	</condition>
+	
 	<path id="build.path">
 		<fileset dir="lib/build">
 			<include name="*.jar" />