I get these errors when compiling Penumbra. All other (HPL1, OALWrapper) compiled pefectly.
1> OALWrapper.lib(OAL_Init.obj) : MSIL .netmodule or module compiled with /GL found; restarting link with /LTCG; add /LTCG to the link command line to improve linker performance
1>OALWrapper.lib(OAL_WAVSample.obj) : error LNK2001: unresolved external symbol __imp__alutUnloadWAV
1>OALWrapper.lib(OAL_WAVSample.obj) : error LNK2001: unresolved external symbol __imp__alutGetError
1>OALWrapper.lib(OAL_WAVSample.obj) : error LNK2001: unresolved external symbol __imp__alutLoadWAVFile
1>../redist/Penumbra.exe : fatal error LNK1120: 3 unresolved externals
What to do?