[UE4]编译时的各个平台定义宏

 

\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