Libcurl module use on mac

Development Programming & Scripting C++
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1

Hi

I found a difficult problem to understand.

this is my code in TestModule.Build.cs

public class TestModule: ModuleRules
{
  public TestModule(ReadOnlyTargetRules Target) : base(Target)
  {
     ...

    PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "HeadMountedDisplay"});

    PrivateDependencyModuleNames.AddRange(new string[] { "libcurl" });
  }
}

It build success on Windows but failed on mac

build error

Definitions.MyProject.h:68:9: ‘WITH_LIBCURL’ macro redefined
#define WITH_LIBCURL 1
    ^
SharedPCH.UnrealEd.h:240:9: Previous definition is here
#define WITH_LIBCURL 0
    ^
In file included from <built-in>:1:

Mac is specify define WITH_LIBCURL 0. Why is this?

2

I found that libcurl is not supported on mac.
"{module}.build.cs "Check the file to see if it is supported.