Hi Linking of Boost.Threads (Boost 1.33.0 RC2) fails under VC 8.0/AMD64 with the following error: vc-C++ bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-multi\xtime.obj xtime.cpp vc-Link bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-multi\boost_thread-vc80-mt-gd-1_33.dll bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-multi\boost_thread-vc80-mt-gd-1_33.lib Creating library bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-multi\boost_thread-vc80-mt -gd-1_33.lib and object bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-multi\boost_thread-vc8 0-mt-gd-1_33.exp once.obj : error LNK2019: unresolved external symbol _InterlockedCompareExchange referenced in function "long __cdecl `a nonymous namespace'::compare_exchange(long * volatile,long,long)" (?compare_exchange@?A0x083100d6@@YAJREAJJJ@Z) bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-multi\boost_thread-vc80-mt-gd-1_33.dll : fatal error LNK1120: 1 unresolved externals Microsoft (R) Manifest Tool version 6.0.4071.0 Copyright (c) Microsoft Corporation 2004. All rights reserved. mt.exe:general error c101008d:Failed to write the updated manifest to the resource of file "bin\boost\libs\thread\build\ boost_thread.dll\vc-8_0-amd64\debug\threading-multi\boost_thread-vc80-mt-gd-1_33.dll". The system cannot find the file s pecified. CALL "C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Tools\..\..\VC\bin\amd64\vcvarsamd64.BAT" >nul "C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Tools\..\..\VC\bin\amd64\link" /nologo /INCREMENTAL:NO / DEBUG /DLL /subsystem:console /out:"bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-multi\bo ost_thread-vc80-mt-gd-1_33.dll" /IMPLIB:"bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-mult i\boost_thread-vc80-mt-gd-1_33.lib" @"bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-mult i\boost_thread-vc80-mt-gd-1_33.CMD" mt -manifest bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-multi\boost_thread-vc80-mt-gd -1_33.dll.manifest -outputresource:bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-multi\boos t_thread-vc80-mt-gd-1_33.dll;#2 ...failed vc-Link bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-multi\boost_thread-vc80-mt-g d-1_33.dll bin\boost\libs\thread\build\boost_thread.dll\vc-8_0-amd64\debug\threading-multi\boost_thread-vc80-mt-gd-1_33. lib... ...failed updating 1 target... ...updated 682 targets... Any help is welcome. Best regards, Peter.