platform.h

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#pragma once
 
// ============================================================================
// Operating system detection
// ============================================================================
 
#if defined(__EMSCRIPTEN__)
#       define PROMEKI_PLATFORM_EMSCRIPTEN 1
#       define PROMEKI_PLATFORM "Emscripten"
#elif defined(_WIN64)
#       define PROMEKI_PLATFORM_WINDOWS 64
#       define PROMEKI_PLATFORM "Win64"
#elif defined(_WIN32)
#       define PROMEKI_PLATFORM_WINDOWS 32
#       define PROMEKI_PLATFORM "Win32"
#elif defined(__APPLE__)
#       define PROMEKI_PLATFORM_APPLE 1
#       define PROMEKI_PLATFORM "MacOS"
#elif defined(__linux__)
#       define PROMEKI_PLATFORM_LINUX 1
#       define PROMEKI_PLATFORM "Linux"
#elif defined(__FreeBSD__)
#       define PROMEKI_PLATFORM_FREEBSD 1
#       define PROMEKI_PLATFORM "FreeBSD"
#elif defined(__OpenBSD__)
#       define PROMEKI_PLATFORM_OPENBSD 1
#       define PROMEKI_PLATFORM "OpenBSD"
#else
#       define PROMEKI_PLATFORM_UNKNOWN 1
#       define PROMEKI_PLATFORM "Unknown"
#endif
 
// Convenience macro for any POSIX-like system (not Windows)
#if defined(PROMEKI_PLATFORM_LINUX) || defined(PROMEKI_PLATFORM_APPLE) || \
    defined(PROMEKI_PLATFORM_FREEBSD) || defined(PROMEKI_PLATFORM_OPENBSD)
#       define PROMEKI_PLATFORM_POSIX 1
#endif
 
// Convenience macro for any BSD-derived system
#if defined(PROMEKI_PLATFORM_FREEBSD) || defined(PROMEKI_PLATFORM_OPENBSD) || \
    defined(PROMEKI_PLATFORM_APPLE)
#       define PROMEKI_PLATFORM_BSD 1
#endif
 
// ============================================================================
// Compiler detection
// ============================================================================
 
// Note: Clang check must come before GCC check since Clang also defines __GNUC__
#if defined(__clang__)
#       define PROMEKI_COMPILER_CLANG 1
#elif defined(__GNUC__)
#       define PROMEKI_COMPILER_GCC 1
#elif defined(_MSC_VER)
#       define PROMEKI_COMPILER_MSVC 1
#endif
 
// Convenience macro for GCC-compatible compilers (GCC or Clang)
#if defined(PROMEKI_COMPILER_GCC) || defined(PROMEKI_COMPILER_CLANG)
#       define PROMEKI_COMPILER_GCC_COMPAT 1
#endif
 
// ============================================================================
// C library detection
// ============================================================================
 
#if defined(__GLIBC__)
#       define PROMEKI_LIBC_GLIBC 1
#       define PROMEKI_LIBC_GLIBC_VERSION_MAJOR __GLIBC__
#       define PROMEKI_LIBC_GLIBC_VERSION_MINOR __GLIBC_MINOR__
#endif