diff --git a/include/ikarus/macros.h b/include/ikarus/macros.h
index e7714dc..a54809b 100644
--- a/include/ikarus/macros.h
+++ b/include/ikarus/macros.h
@@ -1,23 +1,28 @@
 #pragma once
 
-#define IKA_API
+#if defined(_WIN32)
+	#define IKA_OS_FAMILY_WINDOWS
+	#define IKA_OS_WIN
+	#define IKA_API __declspec(dllexport)
+#else
+	#define IKA_OS_FAMILY_UNIX
+	#define IKA_API __attribute__((visibility("default")))
 
-#if defined(__unix__)
-    #define IKA_OS_FAMILY_UNIX
-    #define IKA_API __attribute__((visibility("default")))
+	#if defined(linux)
+		#define IKA_OS_LINUX
+	#elif defined(__APPLE__)
+		#define IKA_OS_MAC
+	#endif
+#endif
 
-    #if defined(linux)
-        #define IKA_OS_LINUX
-    #endif
-#elif defined(_WIN32)
-    #define IKA_OS_WIN
-    #define IKA_API __declspec(dllexport)
+#ifndef IKA_API
+	#define IKA_API
 #endif
 
 #ifdef __cplusplus
-    #define IKARUS_BEGIN_HEADER extern "C" {
-    #define IKARUS_END_HEADER   }
+	#define IKARUS_BEGIN_HEADER extern "C" {
+	#define IKARUS_END_HEADER	}
 #else
-    #define IKARUS_BEGIN_HEADER
-    #define IKARUS_END_HEADER
+	#define IKARUS_BEGIN_HEADER
+	#define IKARUS_END_HEADER
 #endif