--- a/gsm-fw/ccd/README	Fri Sep 26 00:34:44 2014 +0000
+++ b/gsm-fw/ccd/README	Fri Sep 26 00:49:59 2014 +0000
@@ -25,6 +25,13 @@
 always been maintained in a single directory, and that is how it appears in the
 LoCosto find.
 
+The true reason for the subdivision became apparent when we went through the
+process of integrating CCD into FreeCalypso.  The C modules that comprise
+ccddata include cdginc headers (see ../cdg/README to learn what a nightmare
+that is), require these headers to be present in order to pass compilation, and
+depend on any changes in these headers, whereas the "base" part of CCD (the one
+that was maintained as a GPF stable lib inside TI) has no dependency on cdginc.
+
 For our use in FreeCalypso we shall compile all of CCD (both subdivisions) into
 a single library in this directory - in this project we always compile
 everything from source anyway, so we may as well simplify the build process in