Update versioning

support/versionlib/AMBuilder

@@ -0,0 +1,15 @@
+# vim: sts=2 ts=8 sw=2 tw=99 et ft=python:
+import os
+
+lib = builder.compiler.StaticLibrary('version')
+lib.compiler.includes += [
+  os.path.join(builder.sourcePath, 'public'),
+]
+lib.compiler.defines.remove('AMXX_USE_VERSIONLIB')
+lib.compiler.sourcedeps += AMXX.generated_headers
+lib.sources += [
+  'versionlib.cpp'
+]
+task = builder.Add(lib)
+
+rvalue = task.binary