Sanity checking that GWT_TOOLS is set

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@2 8db76d5a-ed1c-0410-87a9-c151d255dfc7

common.ant.xml

diff --git a/common.ant.xml b/common.ant.xml
index 782993a..84c1798 100755
--- a/common.ant.xml
+++ b/common.ant.xml
@@ -28,6 +28,10 @@
 	<property name="javac.source" value="1.4" />

 	<property name="javac.nowarn" value="true" />

 

+	<!-- Sanity check -->

+	<available file="${gwt.tools}" type="dir" property="gwt.tools.exists" />

+	<fail unless="gwt.tools.exists" message="Cannot find '${gwt.tools}' tools directory; perhaps you should define the GWT_TOOLS environment variable" />

+

 	<!-- Plug-in Tasks -->

 	<taskdef resource="checkstyletask.properties" classpath="${gwt.tools.antlib}/checkstyle-all-4.2.jar" />

 

@@ -54,7 +58,7 @@
 		</sequential>

 	</macrodef>

 

-    <target name="antcall.unjar.maybe" unless="unjar.upToDate">

+	<target name="antcall.unjar.maybe" unless="unjar.upToDate">

 		<mkdir dir="${unjar.out}" />

 		<unjar src="${unjar.path}" dest="${unjar.out}" overwrite="true" />

 		<touch file="${unjar.flagFile}" />