Tried so far got error

Microsoft (R) Program Maintenance Utility Version 9.00.21022.08
Copyright (C) Microsoft Corporation. All rights reserved.

link /LIBPATH:"f:\Qt\qt-win-preview-opensource-src-4.4.0-tp1\lib" /LIBPA
TH:"f:\Qt\qt-win-preview-opensource-src-4.4.0-tp1\lib" /NOLOGO /INCREMENTAL:NO /
DLL /MANIFESTFILE:"tmp\obj\release_shared\QtWebKit.inte rmediate.manifest" /VERSI
ON:4.40 /OUT:..\..\..\..\lib\QtWebKit4.dll @E:\DOCUME~1\x88\LOCALS~1\Temp\nm8.tm
p
JSSVGPathSegMovetoRel.obj : fatal error LNK1179: invalid or corrupt file: duplic
ate COMDAT ''
NMAKE : fatal error U1077: '"F:\Microsoft Visual Studio 9.1\VC\BIN\link.EXE"' :
return code '0x49b'
Stop.
NMAKE : fatal error U1077: '"F:\Microsoft Visual Studio 9.1\VC\BIN\nmake.exe"' :
return code '0x2'
Stop.
NMAKE : fatal error U1077: 'cd' : return code '0x2'
Stop.

F:\Qt\qt-win-preview-opensource-src-4.4.0-tp1>

Any sense for solution.
Thank.