Define target.arch instead of target.os
diff --git a/releng/org.eclipse.graphiti.releng/build.mspec b/releng/org.eclipse.graphiti.releng/build.mspec
index eb263ea..4aba9f8 100644
--- a/releng/org.eclipse.graphiti.releng/build.mspec
+++ b/releng/org.eclipse.graphiti.releng/build.mspec
@@ -1,7 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<mspec:mspec xmlns:mspec="http://www.eclipse.org/buckminster/MetaData-1.0" installLocation="" materializer="p2" name="build.mspec" url="build.cquery">
- <mspec:property key="target.os" value="win32,macosx,linux,solaris"/>
+ <mspec:property key="target.os" value="*"/>
<mspec:property key="target.ws" value="*"/>
- <mspec:property key="target.arch" value="*"/>
+ <mspec:property key="target.arch" value="x86,PA_RISC,ppc,sparc,x86_64,ia64,ia64_32,win32"/>
<mspec:mspecNode materializer="workspace" filter="(buckminster.source=true)"/>
</mspec:mspec>