\Engine\Source\Runtime\Core\Public\HAL\Platform.h
// define all other platforms to be zero //@port Define the platform here to be zero when compiling for other platforms #if !defined(PLATFORM_WINDOWS) #define PLATFORM_WINDOWS 0 #endif #if !defined(PLATFORM_XBOXONE) #define PLATFORM_XBOXONE 0 #endif #if !defined(PLATFORM_MAC) #define PLATFORM_MAC 0 #endif #if !defined(PLATFORM_PS4) #define PLATFORM_PS4 0 #endif #if !defined(PLATFORM_IOS) #define PLATFORM_IOS 0 #endif #if !defined(PLATFORM_ANDROID) #define PLATFORM_ANDROID 0 #endif #if !defined(PLATFORM_ANDROID_ARM) #define PLATFORM_ANDROID_ARM 0 #endif #if !defined(PLATFORM_ANDROID_ARM64) #define PLATFORM_ANDROID_ARM64 0 #endif #if !defined(PLATFORM_ANDROID_X86) #define PLATFORM_ANDROID_X86 0 #endif #if !defined(PLATFORM_ANDROID_X64) #define PLATFORM_ANDROID_X64 0 #endif #if !defined(PLATFORM_ANDROIDGL4) #define PLATFORM_ANDROIDGL4 0 #endif #if !defined(PLATFORM_ANDROIDES31) #define PLATFORM_ANDROIDES31 0 #endif #if !defined(PLATFORM_WINRT) #define PLATFORM_WINRT 0 #endif #if !defined(PLATFORM_WINRT_ARM) #define PLATFORM_WINRT_ARM 0 #endif #if !defined(PLATFORM_APPLE) #define PLATFORM_APPLE 0 #endif #if !defined(PLATFORM_HTML5) #define PLATFORM_HTML5 0 #endif #if !defined(PLATFORM_LINUX) #define PLATFORM_LINUX 0 #endif