eMVP ErwinZwart (GURUCE.com) has blogged on his site wrt a problem when attempting to build a WEC 2013 SDK.
http://guruce.com/blogpost/wec2013-gensdk-build-error
You typically get a message such as:
Erwin indicates in his blog that the problem is to do with a directory called sdk_name needs to be in uppercase whereas its generated in lowercase. When thec build starts it gets deleted and so the SDK build fails.
(1) Build the Release OS (2) Run the following script in the OS build environment (Release):
rename %SG_OUTPUT_ROOT%\misc\sdk\msbuild\%_TGTCPUFAMILY%\sdk_name SDK_NAME
(3) Build the SDK
I created a PBSCript for that purpose:
Evidently there is update fix being considered for this.