Add platform detection definitions

src/platform/platform.h

@@ -0,0 +1,61 @@
+#ifndef PLATFORM_H
+#define PLATFORM_H
+
+#if defined(__ANDROID__)
+#define WAPP_PLATFORM_ANDROID
+#define WAPP_PLATFORM_POSIX
+#elif defined(__FreeBSD__)
+#define WAPP_PLATFORM_FREE_BSD
+#define WAPP_PLATFORM_BSD
+#define WAPP_PLATFORM_POSIX
+#elif defined(__NetBSD__)
+#define WAPP_PLATFORM_NET_BSD
+#define WAPP_PLATFORM_BSD
+#define WAPP_PLATFORM_POSIX
+#elif defined(__OpenBSD__)
+#define WAPP_PLATFORM_OPEN_BSD
+#define WAPP_PLATFORM_BSD
+#define WAPP_PLATFORM_POSIX
+#elif defined(__DragonFly__)
+#define WAPP_PLATFORM_DRAGON_FLY
+#define WAPP_PLATFORM_BSD
+#define WAPP_PLATFORM_POSIX
+#elif defined(__bsdi__)
+#define WAPP_PLATFORM_BSD
+#define WAPP_PLATFORM_POSIX
+#elif defined(__linux__) || defined(linux) || defined(__linux) ||              \
+    defined(__gnu_linux__)
+#define WAPP_PLATFORM_LINUX
+#define WAPP_PLATFORM_POSIX
+#elif defined(__GNU__) || defined(__gnu_hurd__)
+#define WAPP_PLATFORM_GNU
+#define WAPP_PLATFORM_POSIX
+#elif defined(__APPLE__) || defined(__MACH__)
+#if TARGET_OS_IPHONE
+#define WAPP_PLATFORM_IOS
+#define WAPP_PLATFORM_APPLE
+#define WAPP_PLATFORM_POSIX
+#elif TARGET_OS_MAC
+#define WAPP_PLATFORM_MACOS
+#define WAPP_PLATFORM_APPLE
+#define WAPP_PLATFORM_POSIX
+#else
+#error "Unrecognised Apple platform"
+#endif
+#elif defined(_WIN64)
+#define WAPP_PLATFORM_WINDOWS64
+#define WAPP_PLATFORM_WINDOWS
+#elif defined(_WIN32)
+#define WAPP_PLATFORM_WINDOWS32
+#define WAPP_PLATFORM_WINDOWS
+#elif defined(__CYGWIN__)
+#define WAPP_PLATFORM_CYGWIN
+#define WAPP_PLATFORM_WINDOWS
+#elif defined(__unix__) || defined(__unix)
+#define WAPP_PLATFORM_UNIX
+#define WAPP_PLATFORM_POSIX
+#else
+#error "Unrecognised platform"
+#endif
+
+#endif // !PLATFORM_H