--- /home/zerophase/Documents/PackagesMaintained/unreal-engine/opt/unreal-engine/Engine/Source/Developer/HotReload/Private/HotReload.cpp 2021-03-24 03:10:56.000000000 -0500 +++ Engine/Source/Developer/HotReload/Private/HotReload.cpp 2021-03-25 03:37:32.071430288 -0500 @@ -1581,6 +1581,13 @@ FString FullProjectPath = FPaths::ConvertRelativePathToFull(FPaths::GetProjectFilePath()); AdditionalArguments += FString::Printf(TEXT("\"%s\" "), *FullProjectPath); } + + if(!FPaths::FileExists(FPaths::RootDir() + + FString("Engine/Extras/ThirdPartyNotUE/SDKs/HostLinux/Linux_x64"))) + { + AdditionalArguments += FString(TEXT(" -ForceUseSystemCompiler")); + } + return AdditionalArguments; }