Move WASM_DEPRECATED so that binaryen-c.h is selfcontained. Fixes #2054 (#2399)

Author: irmen

src/binaryen-c.h

@@ -47,7 +47,13 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include "compiler-support.h"
+#ifdef __GNUC__
+#define WASM_DEPRECATED __attribute__((deprecated))
+#elif defined(_MSC_VER)
+#define WASM_DEPRECATED __declspec(deprecated)
+#else
+#define WASM_DEPRECATED
+#endif
 
 #if defined(_MSC_VER) && !defined(BUILD_STATIC_LIBRARY)
 #define BINARYEN_API __declspec(dllexport)

src/compiler-support.h

@@ -50,13 +50,10 @@
 
 #ifdef __GNUC__
 #define WASM_NORETURN __attribute__((noreturn))
-#define WASM_DEPRECATED __attribute__((deprecated))
 #elif defined(_MSC_VER)
 #define WASM_NORETURN __declspec(noreturn)
-#define WASM_DEPRECATED __declspec(deprecated)
 #else
 #define WASM_NORETURN
-#define WASM_DEPRECATED
 #endif
 
 // The code might contain TODOs or stubs that read some values but do nothing