POC3 Compiler Error

7>Done Building Project "c:\Users\user\cpp-ethereum\windows\Alethzero.vcxp
roj" (default targets).
9>Link:
Finished generating code
9>Qt5Qml.lib(qv4value.obj) : error LNK2005: _log2 already defined in LIBCM
T.lib(log2d.obj) [c:\Users\user\cpp-ethereum\windows\Walleth.vcxproj]
9>Qt5Qml.lib(qv4globalobject.obj) : error LNK2005: _log2 already defined i
n LIBCMT.lib(log2d.obj) [c:\Users\user\cpp-ethereum\windows\Walleth.vcxp
roj]
9>Qt5Qml.lib(qv4dateobject.obj) : error LNK2005: _log2 already defined in
LIBCMT.lib(log2d.obj) [c:\Users\user\cpp-ethereum\windows\Walleth.vcxpro
j]
9>Qt5Qml.lib(qv4jsonobject.obj) : error LNK2005: _log2 already defined in
LIBCMT.lib(log2d.obj) [c:\Users\user\cpp-ethereum\windows\Walleth.vcxpro
j]
9>..\..\_build\Walleth\Win32_Release\Walleth.exe : fatal error LNK1169: on
e or more multiply defined symbols found [c:\Users\user\cpp-ethereum\win
dows\Walleth.vcxproj]
9>Done Building Project "c:\Users\user\cpp-ethereum\windows\Walleth.vcxpro
j" (default targets) -- FAILED.
1>Done Building Project "c:\Users\user\cpp-ethereum\windows\Ethereum.sln"
(default targets) -- FAILED.

Build FAILED.

"c:\Users\user\cpp-ethereum\windows\Ethereum.sln" (default target) (1) -
>
"c:\Users\user\cpp-ethereum\windows\Walleth.vcxproj" (default target) (9
) ->
(Link target) ->
Qt5Qml.lib(qv4value.obj) : error LNK2005: _log2 already defined in LIB
CMT.lib(log2d.obj) [c:\Users\user\cpp-ethereum\windows\Walleth.vcxproj]
Qt5Qml.lib(qv4globalobject.obj) : error LNK2005: _log2 already defined
in LIBCMT.lib(log2d.obj) [c:\Users\user\cpp-ethereum\windows\Walleth.vc
xproj]
Qt5Qml.lib(qv4dateobject.obj) : error LNK2005: _log2 already defined i
n LIBCMT.lib(log2d.obj) [c:\Users\user\cpp-ethereum\windows\Walleth.vcxp
roj]
Qt5Qml.lib(qv4jsonobject.obj) : error LNK2005: _log2 already defined i
n LIBCMT.lib(log2d.obj) [c:\Users\user\cpp-ethereum\windows\Walleth.vcxp
roj]
..\..\_build\Walleth\Win32_Release\Walleth.exe : fatal error LNK1169:
one or more multiply defined symbols found [c:\Users\user\cpp-ethereum\w
indows\Walleth.vcxproj]

0 Warning(s)
5 Error(s)

Time Elapsed 00:01:27.47

=====
POC3 on Win7, according to build instructions.

-Technologov
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