Add NETLEAF_API Macro.

Author: Tweety-Lab

NetLeaf/DotNetBackend.h

@@ -6,15 +6,10 @@
 #include <coreclr_delegates.h>
 #include <hostfxr.h>
 
-#ifdef DOTNETBACKEND_EXPORTS
-#define DOTNETBACKEND_API __declspec(dllexport)
-#else
-#define DOTNETBACKEND_API __declspec(dllimport)
-#endif
-
+#include "NetLeafAPI.h"
 #include "ICSharpBackend.h"
 
-class DOTNETBACKEND_API DotNetBackend : public ICSharpBackend
+class NETLEAF_API DotNetBackend : public ICSharpBackend
 {
 private:
     // HostFxr function pointers

NetLeaf/NetLeaf.h

@@ -3,12 +3,7 @@
 #include <vector>
 #include "ICSharpBackend.h"
 #include "NetLeafInstance.h"
-
-#ifdef NETLEAF_EXPORTS
-#define NETLEAF_API __declspec(dllexport)  // Export for DLL
-#else
-#define NETLEAF_API __declspec(dllimport)  // Import for users of the DLL
-#endif
+#include "NetLeafAPI.h"
 
 class NETLEAF_API NetLeaf
 {

NetLeaf/NetLeafAPI.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#if defined(_WIN32)
+
+#if defined(NETLEAF_BUILD)
+#define NETLEAF_API __declspec(dllexport)
+#else
+#define NETLEAF_API __declspec(dllimport)
+#endif
+
+#else
+#define NETLEAF_API __attribute__((visibility("default")))
+#endif

NetLeaf/NetLeafInstance.h

@@ -1,11 +1,6 @@
 #pragma once
 #include "CSharpInterop.h"
-
-#ifdef NETLEAF_EXPORTS
-#define NETLEAF_API __declspec(dllexport)  // Export for DLL
-#else
-#define NETLEAF_API __declspec(dllimport)  // Import for users of the DLL
-#endif
+#include "NetLeafAPI.h"
 
 class NETLEAF_API NetLeafInstance
 {

premake5.lua

@@ -6,6 +6,7 @@ workspace "NetLeafWorkspace"
 -- C++ project (NetLeaf)
 project "NetLeaf"
     kind "SharedLib"
+    defines {"NETLEAF_BUILD"}
     language "C++"
     location "NetLeaf"
     targetdir ("%{wks.location}/build/lib")