From 474cd02f0bf9252bfc7c78fe49bf7509041a18a3 Mon Sep 17 00:00:00 2001
From: dubochet <dubochet@5e8d7ff9-d8ef-0310-90f0-a4852d11357a>
Date: Fri, 24 Mar 2006 16:32:26 +0000
Subject: [PATCH] Fixed bug #557: Testing available memory before running
 SABBUS is now more robust.

git-svn-id: http://lampsvn.epfl.ch/svn-repos/scala/scala/trunk@6900 5e8d7ff9-d8ef-0310-90f0-a4852d11357a
---
 build.xml | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/build.xml b/build.xml
index 35bc3ee27..29a4f48bf 100644
--- a/build.xml
+++ b/build.xml
@@ -15,13 +15,6 @@ PROPERTIES
 ============================================================================ -->
 
   <property environment="env"/>
-  <condition property="memory.set">
-    <contains string="${env.ANT_OPTS}" substring="-Xmx"/>
-  </condition>
-  <fail unless="memory.set">
-    SABBUS requires additional memory. Please set the 'ANT_OPTS' environment
-    property to '-Xmx512M' or more.
-  </fail>
 
   <!-- Prevents system classpath from being used -->
   <property name="build.sysclasspath" value="ignore"/>
@@ -182,6 +175,17 @@ INITIALISATION
         <pathelement location="${ant-contrib.jar}"/>
       </classpath>
     </taskdef>
+    <!-- Making sure enough memory is available -->
+    <propertyregex
+      property="memory.set"
+      input="${env.ANT_OPTS}"
+      regexp="-Xmx([1-9][0-9]{3,}|[6-9][0-9]{2}|5[2-9][0-9]|51[2-9])(M|m)"
+      select="\1"
+    />
+    <fail unless="memory.set">
+      SABBUS requires additional memory. Please set the 'ANT_OPTS' environment
+      property to '-Xmx512M' or more.
+    </fail>
     <!-- Finding out what system architecture is being used -->
     <condition property="os.win">
       <os family="windows"/>