link errors demorecorder on leak

1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "int __cdecl V_snprintf(char *,int,char const *,...)" (?V_snprintf@@YAHPADHPBDZZ)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "public: virtual __thiscall ConCommand::~ConCommand(void)" (??1ConCommand@@UAE@XZ)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "public: __thiscall InterfaceReg::InterfaceReg(void * (__cdecl*)(void),char const *)" (??0InterfaceReg@@QAE@P6APAXXZPBD@Z)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "public: __thiscall ConCommand::ConCommand(char const *,void (__cdecl*)(class CCommand const &),char const *,int,int (__cdecl*)(char const *,char (* const)[64]))" (??0ConCommand@@QAE@PBDP6AXABVCCommand@@@Z0HP6AH0QAY0EA@D@Z@Z)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) void __cdecl ConColorMsg(class Color const &,char const *,...)" (__imp_?ConColorMsg@@YAXABVColor@@PBDZZ)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "protected: void __thiscall CUtlBuffer::AddNullTermination(void)" (?AddNullTermination@CUtlBuffer@@IAEXXZ)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "public: void __cdecl CUtlBuffer::Printf(char const *,...)" (?Printf@CUtlBuffer@@QAAXPBDZZ)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "void __cdecl ConVar_Register(int,class IConCommandBaseAccessor *)" (?ConVar_Register@@YAXHPAVIConCommandBaseAccessor@@@Z)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "public: void __thiscall CUtlBuffer::SetBufferType(bool,bool)" (?SetBufferType@CUtlBuffer@@QAEX_N0@Z)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "public: __thiscall CUtlBuffer::CUtlBuffer(int,int,int)" (??0CUtlBuffer@@QAE@HHH@Z)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol __imp__Warning
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "void __cdecl DisconnectTier2Libraries(void)" (?DisconnectTier2Libraries@@YAXXZ)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "class IFileSystem * g_pFullFileSystem" (?g_pFullFileSystem@@3PAVIFileSystem@@A)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "void __cdecl ConnectTier2Libraries(void * (__cdecl**)(char const *,int *),int)" (?ConnectTier2Libraries@@YAXPAP6APAXPBDPAH@ZH@Z)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "void __cdecl DisconnectTier1Libraries(void)" (?DisconnectTier1Libraries@@YAXXZ)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "void __cdecl ConVar_Unregister(void)" (?ConVar_Unregister@@YAXXZ)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "public: virtual void __thiscall ConVar::SetValue(char const *)" (?SetValue@ConVar@@UAEXPBD@Z)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "public: virtual __thiscall ConVar::~ConVar(void)" (??1ConVar@@UAE@XZ)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "public: __thiscall ConVar::ConVar(char const *,char const *,int,char const *)" (??0ConVar@@QAE@PBD0H0@Z)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "void __cdecl V_FixSlashes(char *,char)" (?V_FixSlashes@@YAXPADD@Z)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol "void __cdecl ConnectTier1Libraries(void * (__cdecl**)(char const *,int *),int)" (?ConnectTier1Libraries@@YAXPAP6APAXPBDPAH@ZH@Z)
1>speedrun_demorecord.obj : error LNK2001: unresolved external symbol __imp__Msg