Introduce flip-flopping normalisations

[libfirm] / include / libfirm / begin.h

diff --git a/include/libfirm/begin.h b/include/libfirm/begin.h
index a1d8b0e..251c0de 100644 (file)
--- a/include/libfirm/begin.h
+++ b/include/libfirm/begin.h
@@ -27,27 +27,49 @@
 #define FIRM_BEGIN_H
 
 /**
- * @def FIRM_DLL
+ * @def FIRM_API
  * Declaration specifier which marks a function/variable as being publicly
  * visible outside the firm library/dll
  */
-#ifdef FIRM_BUILD_DLL
-       #ifdef _WIN32
-               #define FIRM_DLL extern __declspec(dllexport)
+#ifdef FIRM_DLL
+       #ifdef FIRM_BUILD
+               #ifdef _WIN32
+                       #define FIRM_API extern __declspec(dllexport)
+               #else
+                       #define FIRM_API extern __attribute__((visibility("default")))
+               #endif
        #else
-               #define FIRM_DLL extern __attribute__((visibility("default")))
+               #ifdef _WIN32
+                       #define FIRM_API extern __declspec(dllimport)
+               #else
+                       #define FIRM_API extern
+               #endif
        #endif
 #else
-       #ifdef _WIN32
-               #define FIRM_DLL extern __declspec(dllimport)
-       #else
-               #define FIRM_DLL
-       #endif
+       #define  FIRM_API extern
 #endif
 
-/* mark declarations as C function */
 #ifdef __cplusplus
-extern "C" {
+# define FIRM_NOTHROW throw ()
+#else
+# define FIRM_NOTHROW
 #endif
 
+/**
+ * @def FIRM_PRINTF
+ * Attribute with marks a function to have a printf style format
+ * string and variadic argument.
+ */
+#if defined(__GNUC__)
+# define FIRM_PRINTF(a,b) __attribute__((__format__(__printf__, a, b)))
+#else
+# define FIRM_PRINTF(a,b)
+#endif
+
+#endif
+
+/* mark declarations as C function (note that we always need this,
+ * so don't put it in the include guard) */
+#ifdef __cplusplus
+extern "C" {
 #endif