如何从预处理器宏中识别平台/编译器?

2022-01-11 00:00:00 macros cross-platform c++ c-preprocessor

我正在编写一个跨平台代码，它应该在 linux、windows、Mac OS 上编译.在windows上，我必须支持visual studio和mingw.

I'm writing a cross-platform code, which should compile at linux, windows, Mac OS. On windows, I must support visual studio and mingw.

有一些特定于平台的代码，我应该将它们放在 #ifdef .. #endif 环境中.比如这里我放了win32的具体代码:

There are some pieces of platform-specific code, which I should place in #ifdef .. #endif environment. For example, here I placed win32 specific code:

#ifdef WIN32 #include <windows.h> #endif

但是我如何识别 linux 和 mac OS?我应该使用什么定义名称(或等)?

But how do I recognize linux and mac OS? What are defines names (or etc.) I should use?

推荐答案

对于Mac OS:

#ifdef __APPLE__

对于 Windows 上的 MingW:

For MingW on Windows:

#ifdef __MINGW32__

对于 Linux:

#ifdef __linux__

对于其他 Windows 编译器，请查看此线程和 this 用于其他几个编译器和架构.

For other Windows compilers, check this thread and this for several other compilers and architectures.

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