There's some bugs on repository:
HPL:
1>------ Build started: Project: HPL, Configuration: Release Win32 ------
1> LowLevelSoundOpenAL.cpp
1>D:\Gamedev\Penumbra\OuvertureSource\HPL1Engine\include\system/SystemTypes.h(169): warning C4996: 'sprintf': This function or variable may be unsafe. Consider using sprintf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
1> E:\Programs\Visual Studio 2010\VC\include\stdio.h(357) : see declaration of 'sprintf'
1>D:\Gamedev\Penumbra\OuvertureSource\OALWrapper\include\OALWrapper/OAL_Effect_Reverb.h(54): error C2065: 'AL_EFFECT_EAXREVERB' : undeclared identifier
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
And OALWrapper:
1>------ Build started: Project: OALWrapper, Configuration: Release Win32 ------
1> OAL_Effect.cpp
1>sources\OAL_Effect.cpp(11): fatal error C1083: Cannot open include file: 'SDL_mutex.h': No such file or directory
1> OAL_EffectSlot.cpp
1>sources\OAL_EffectSlot.cpp(13): fatal error C1083: Cannot open include file: 'SDL_mutex.h': No such file or directory
1> OAL_EFXManager.cpp
1>sources\OAL_EFXManager.cpp(15): fatal error C1083: Cannot open include file: 'SDL_thread.h': No such file or directory
1> OAL_OggSample.cpp
1>sources\OAL_OggSample.cpp(38): warning C4244: '=' : conversion from 'ogg_int64_t' to 'size_t', possible loss of data
1>sources\OAL_OggSample.cpp(80): warning C4244: 'return' : conversion from 'ogg_int64_t' to 'long', possible loss of data
1>sources\OAL_OggSample.cpp(123): error C2065: 'OV_CALLBACKS_DEFAULT' : undeclared identifier
1> OAL_OggStream.cpp
1>sources\OAL_OggStream.cpp(148): error C2065: 'OV_CALLBACKS_DEFAULT' : undeclared identifier
1> OAL_Source.cpp
1>sources\OAL_Source.cpp(28): fatal error C1083: Cannot open include file: 'SDL_mutex.h': No such file or directory
1> OAL_SourceManager.cpp
1>sources\OAL_SourceManager.cpp(12): fatal error C1083: Cannot open include file: 'SDL_thread.h': No such file or directory
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========