Fix Linux/Mac builds

Author: LouisLaf

lib/Common/Core/GlobalSecurityPolicy.cpp

@@ -16,8 +16,10 @@ GlobalSecurityPolicy GlobalSecurityObject;
 // Note:  'volatile' is necessary here otherwise the compiler assumes these are constants initialized to '0' and will constant propagate them...
 __declspec(allocate(".mrdata")) volatile GlobalSecurityPolicy::ReadOnlyData GlobalSecurityPolicy::readOnlyData =
     {
+#if defined(_CONTROL_FLOW_GUARD)
         nullptr,
         nullptr,
+#endif
         false,
         false,
         false
@@ -141,6 +143,7 @@ GlobalSecurityPolicy::IsSetProcessValidCallTargetsAllowed()
     return !readOnlyData.disableSetProcessValidCallTargets;
 }
 
+#if defined(_CONTROL_FLOW_GUARD)
 BOOL 
 DECLSPEC_GUARDNOCF GlobalSecurityPolicy::GetMitigationPolicyForProcess(HANDLE hProcess, PROCESS_MITIGATION_POLICY mitigationPolicy, PVOID lpBuffer, SIZE_T dwLength)
 {
@@ -152,3 +155,4 @@ DECLSPEC_GUARDNOCF GlobalSecurityPolicy::SetProcessValidCallTargets(HANDLE hProc
 {
     return GlobalSecurityPolicy::readOnlyData.pfnSetProcessValidCallTargets(hProcess, virtualAddress, regionSize, numberOfOffsets, offsetInformation);
 }
+#endif //_CONTROL_FLOW_GUARD

lib/Common/Core/GlobalSecurityPolicy.h

@@ -9,28 +9,33 @@
 class GlobalSecurityPolicy : private DelayLoadLibrary
 {
 public:
+#if defined(_CONTROL_FLOW_GUARD)
     typedef BOOL FNCGetMitigationPolicyForProcess(HANDLE, PROCESS_MITIGATION_POLICY, PVOID, SIZE_T);
     typedef FNCGetMitigationPolicyForProcess* PFNCGetMitigationPolicyForProcess;
 
     typedef BOOL FNCSetProcessValidCallTargets(HANDLE, PVOID, SIZE_T, ULONG, PCFG_CALL_TARGET_INFO);
     typedef FNCSetProcessValidCallTargets* PFNCSetProcessValidCallTargets;
-
+#endif
     GlobalSecurityPolicy();
 
     static void DisableSetProcessValidCallTargets();
     static bool IsSetProcessValidCallTargetsAllowed();
     static bool IsCFGEnabled();
+
+#if defined(_CONTROL_FLOW_GUARD)
     static FNCGetMitigationPolicyForProcess GetMitigationPolicyForProcess;
     static FNCSetProcessValidCallTargets SetProcessValidCallTargets;
-
+#endif
     LPCTSTR GetLibraryName() const { return _u("api-ms-win-core-memory-l1-1-3.dll"); }
 
 private:
     static CriticalSection s_policyCS;
 
     volatile static struct ReadOnlyData {
+#if defined(_CONTROL_FLOW_GUARD)
         PFNCGetMitigationPolicyForProcess pfnGetProcessMitigationPolicy;
         PFNCSetProcessValidCallTargets pfnSetProcessValidCallTargets;
+#endif
         bool disableSetProcessValidCallTargets;
         bool isCFGEnabled;
         bool isInitialized;