Man page - sdl_platform_linux(3)
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Manual
SDL_PLATFORM_LINUX
NAMEHEADER FILE
SYNOPSIS
DESCRIPTION
AVAILABILITY
NAME
SDL_PLATFORM_LINUX - A preprocessor macro that is only defined if compiling for Linux.
HEADER FILE
Defined in SDL3/SDL_platform_defines.h
SYNOPSIS
#include "SDL3/SDL.h"
#define SDL_PLATFORM_LINUX 1
DESCRIPTION
Note that Android, although ostensibly a Linux-based system, will not define this. It defines SDL_PLATFORM_ANDROID
instead.
AVAILABILITY
This macro is available since SDL 3.2.0.