In the latest revisions, it seems that most of the case-sensitive issues are solved, except for just one:
Index: i386/modules/Cconfig
===================================================================
--- i386/modules/Cconfig (revision 2121)
+++ i386/modules/Cconfig (working copy)
@@ -9,6 +9,6 @@
source "i386/modules/HelloWorld/Cconfig"
source "i386/modules/Sata/Cconfig"
source "i386/modules/Keylayout/Cconfig"
-source "i386/modules/ACPIcodec/Cconfig"
+source "i386/modules/AcpiCodec/Cconfig"
source "i386/modules/KernelPatcher/Cconfig"
endmenu