C++ 系统宏定义
#ifdef _WIN32 //define something for Windows (32-bit and 64-bit, this part is common) #ifdef _WIN64 //define something for Windows (64-bit only) #else //define something for Windows (32-bit only) #endif #elif __APPLE__ #include "TargetConditionals.h" #if TARGET_IPHONE_SIMULATOR // iOS Simulator #elif TARGET_OS_IPHONE // iOS device #elif TARGET_OS_MAC // Other kinds of Mac OS #else # error "Unknown Apple platform" #endif #elif __ANDROID__ // android #elif __linux__ // linux #elif __unix__ // all unices not caught above // Unix #elif defined(_POSIX_VERSION) // POSIX #else # error "Unknown compiler" #endif
跨平台开发时需要以上宏