Fix eclipse autobuild order

set build order according to tea configured build order.

Change-Id: I9f58e0dd4f2b8b0dbd54fb07fd63c0e722b9b565
Signed-off-by: jkubitz <jkubitz-eclipse@gmx.de>
diff --git a/org.eclipse.tea.library.build/src/org/eclipse/tea/library/build/chain/TeaBuildChain.java b/org.eclipse.tea.library.build/src/org/eclipse/tea/library/build/chain/TeaBuildChain.java
index 9c26a69..7f13130 100644
--- a/org.eclipse.tea.library.build/src/org/eclipse/tea/library/build/chain/TeaBuildChain.java
+++ b/org.eclipse.tea.library.build/src/org/eclipse/tea/library/build/chain/TeaBuildChain.java
@@ -132,6 +132,13 @@
 		return chain;
 	}
 
+	public List<String> getBuildOrder() {
+		return groupedElements.values().stream()
+				.flatMap(teaBuildElement -> teaBuildElement.stream().filter(e -> e instanceof TeaBuildProjectElement)
+						.map(e -> ((TeaBuildProjectElement) e).getProject().getName()))
+				.collect(Collectors.toList());
+	}
+
 	/**
 	 * Retrieve the {@link TeaBuildElement} for the given name. This can be used
 	 * to lookup specific elements e.g. for dependency wiring.
diff --git a/org.eclipse.tea.library.build/src/org/eclipse/tea/library/build/tasks/TaskBuildWorkspace.java b/org.eclipse.tea.library.build/src/org/eclipse/tea/library/build/tasks/TaskBuildWorkspace.java
index 702eae2..f977384 100644
--- a/org.eclipse.tea.library.build/src/org/eclipse/tea/library/build/tasks/TaskBuildWorkspace.java
+++ b/org.eclipse.tea.library.build/src/org/eclipse/tea/library/build/tasks/TaskBuildWorkspace.java
@@ -48,11 +48,7 @@
 		TeaBuildChain chain = TeaBuildChain.make(taskContext,
 				Arrays.asList(ResourcesPlugin.getWorkspace().getRoot().getProjects()));
 
-		if (config.batchCompile) {
-			// to allow parallel builds to happen at all during batch execution,
-			// remove build order in workspace.
-			setWorkspaceBuildOrder(null);
-		}
+		setWorkspaceBuildOrder(chain.getBuildOrder());
 
 		IStatus result = chain.execute(tracker, config.failureThreshold);