beagleboard build on windows w/vs2015 ..what am I missing?

["David Vescovi" <dvescovi@tampabay.rr.com>]

C:\edk2>build

Build environment: Windows-post2008Server-6.2.9200

Build start time: 05:37:32, Sep.29 2016

 

WORKSPACE        = c:\edk2

ECP_SOURCE       = c:\edk2\edkcompatibilitypkg

EDK_SOURCE       = c:\edk2\edkcompatibilitypkg

EFI_SOURCE       = c:\edk2\edkcompatibilitypkg

EDK_TOOLS_PATH   = c:\edk2\basetools

EDK_TOOLS_BIN    = c:\edk2\basetools\bin\win32

CONF_PATH        = c:\edk2\Conf

 

 

Architecture(s)  = ARM

Build target     = DEBUG

Toolchain        = VS2015x86

 

Active Platform          = c:\edk2\BeagleBoardPkg\BeagleBoardPkg.dsc

Flash Image Definition   = c:\edk2\BeagleBoardPkg\BeagleBoardPkg.fdf

 

Processing meta-data .......

 

 

build...

: error C0DE: Unknown fatal error when processing
[c:\edk2\MdePkg\Library\BasePcdLibNull\BasePcdLibNull.inf]

 

(Please send email to edk2-devel@lists.01.org for help, attaching following
call stack trace!)

 

(Python 2.7.3 on win32) Traceback (most recent call last):

  File "build\build.py", line 2274, in Main

  File "build\build.py", line 2026, in Launch

  File "build\build.py", line 1861, in _MultiThreadBuildPlatform

  File
"c:\Users\Public\Documents\BuildPool\BaseTools\build\Source\Python\AutoGen\A
utoGen.py", line 3952, in CreateMakeFile

  File
"c:\Users\Public\Documents\BuildPool\BaseTools\build\Source\Python\AutoGen\A
utoGen.py", line 3958, in CreateMakeFile

  File
"c:\Users\Public\Documents\BuildPool\BaseTools\build\Source\Python\AutoGen\G
enMake.py", line 184, in Generate

  File
"c:\Users\Public\Documents\BuildPool\BaseTools\build\Source\Python\AutoGen\G
enMake.py", line 525, in _CreateTemplateDict

  File
"c:\Users\Public\Documents\BuildPool\BaseTools\build\Source\Python\AutoGen\G
enMake.py", line 713, in CommandExceedLimit

KeyError: 'PATH'

 

 

- Failed -

Build end time: 05:37:41, Sep.29 2016

Build total time: 00:00:09

 

 

C:\edk2>