CDetour safetyhook (#2162)

* Add safetyhook, remove libudis86

Co-authored-by: bottiger1 <[email protected]>

* Add modified CDetour

Co-authored-by: bottiger1 <[email protected]>

* Add CDetour [Safetyhook] to build script

* Re-enable loader/core/corelogic, and fix new C++20 error

* Reenable all extensions (except dhooks)

* Make cstrike compile against new CDetour

* Remove unused variable in sdktools output?

* Make sdktools compile against new cdetour

* Downgrade to C++17

* remove auto

* fix compilation on linux

* Re-enable dhooks

* Re-authorise old compilers

* Fix invalid downgrade of std::optional

* readd libudis86 for dhooks only

---------

Co-authored-by: Kenzzer <[email protected]>
Co-authored-by: bottiger1 <[email protected]>

core/logic/ExtensionSys.cpp

@@ -395,11 +395,6 @@ void CExtension::AddDependency(const IfaceInfo *pInfo)
 	}
 }
 
-bool operator ==(const IfaceInfo &i1, const IfaceInfo &i2)
-{
-	return (i1.iface == i2.iface) && (i1.owner == i2.owner);
-}
-
 void CExtension::AddChildDependent(CExtension *pOther, SMInterface *iface)
 {
 	IfaceInfo info;

core/logic/ShareSys.h

@@ -59,7 +59,7 @@ namespace SourceMod
 
 struct IfaceInfo
 {
-	bool operator ==(const IfaceInfo &info)
+	bool operator ==(const IfaceInfo &info) const
 	{
 		return (info.iface == iface && info.owner == owner);
 	}