ENH: Split src/parallel into decompse and reconstruct to remove cyclic build dependency

src/parallel/reconstruct/Allwmake

@@ -0,0 +1,8 @@
+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+set -x
+
+wmake libso reconstruct
+
+
+# ----------------------------------------------------------------- end-of-file