Fix DLLEXPORT macro and move it's defination to separate file

cl_dll/GameStudioModelRenderer.cpp

@@ -99,11 +99,6 @@ HUD_GetStudioModelInterface
 Export this function for the engine to use the studio renderer class to render objects.
 ====================
 */
-#ifdef _WIN32
-#define DLLEXPORT __declspec( dllexport )
-#else
-#define DLLEXPORT
-#endif
 extern "C" int DLLEXPORT HUD_GetStudioModelInterface( int version, struct r_studio_interface_s **ppinterface, struct engine_studio_api_s *pstudio )
 {
 	if ( version != STUDIO_INTERFACE_VERSION )

cl_dll/GameStudioModelRenderer_Sample.cpp

@@ -972,7 +972,7 @@ HUD_GetStudioModelInterface
 Export this function for the engine to use the studio renderer class to render objects.
 ====================
 */
-#define DLLEXPORT __declspec( dllexport )
+
 extern "C" int DLLEXPORT HUD_GetStudioModelInterface( int version, struct r_studio_interface_s **ppinterface, struct engine_studio_api_s *pstudio )
 {
 	if ( version != STUDIO_INTERFACE_VERSION )

cl_dll/cdll_int.cpp

@@ -29,13 +29,6 @@ extern "C"
 
 #include <string.h>
 
-#ifdef _WIN32
-#define DLLEXPORT __declspec( dllexport )
-#else
-#define DLLEXPORT
-#endif
-
-
 cl_enginefunc_t gEngfuncs;
 CHud gHUD;
 mobile_engfuncs_t *gMobileEngfuncs = NULL;

cl_dll/cl_dll.h

@@ -31,13 +31,14 @@ typedef float vec_t;
 typedef int (*pfnUserMsgHook)(const char *pszName, int iSize, void *pbuf);
 
 #include "util_vector.h"
-#define EXPORT	_declspec( dllexport )
 
 #include "../engine/cdll_int.h"
 #include "../dlls/cdll_dll.h"
 
-
+#ifndef __MSC_VER
 #define _cdecl
+#endif
+#include "exportdef.h"
 #include <string.h>
 
 extern cl_enginefunc_t gEngfuncs;

cl_dll/cl_util.h

@@ -15,7 +15,7 @@
 //
 // cl_util.h
 //
-
+#include "exportdef.h"
 #include "cvardef.h"
 
 #ifndef TRUE

cl_dll/demo.cpp

@@ -18,12 +18,6 @@
 #include "demo_api.h"
 #include <memory.h>
 
-#ifdef _WIN32
-#define DLLEXPORT __declspec( dllexport )
-#else
-#define DLLEXPORT
-#endif
-
 int g_demosniper = 0;
 int g_demosniperdamage = 0;
 float g_demosniperorg[3];

cl_dll/entity.cpp

@@ -20,12 +20,6 @@
 #include "pmtrace.h"	
 #include "pm_shared.h"
 
-#ifdef _WIN32
-#define DLLEXPORT __declspec( dllexport )
-#else
-#define DLLEXPORT
-#endif
-
 
 void Game_AddObjects( void );
 

cl_dll/hud_iface.h

@@ -9,13 +9,7 @@
 #define HUD_IFACEH
 #pragma once
 
-#ifdef _WIN32
-#define EXPORT		_declspec( dllexport )
-#define _DLLEXPORT __declspec( dllexport )
-#else
-#define EXPORT
-#define _DLLEXPORT
-#endif
+#include "exportdef.h"
 
 typedef int (*pfnUserMsgHook)(const char *pszName, int iSize, void *pbuf);
 #include "wrect.h"

cl_dll/in_defs.h

@@ -17,9 +17,7 @@
 #define	ROLL	2 
 
 #ifdef _WIN32
-#define DLLEXPORT __declspec( dllexport )
 #else
-#define DLLEXPORT
 typedef struct point_s{
 	int x;
 	int y;

cl_dll/tri.cpp

@@ -17,12 +17,6 @@
 #include "cl_entity.h"
 #include "triangleapi.h"
 
-#ifdef _WIN32
-#define DLLEXPORT __declspec( dllexport )
-#else
-#define DLLEXPORT
-#endif
-
 extern "C"
 {
 	void DLLEXPORT HUD_DrawNormalTriangles( void );

dlls/cbase.h

@@ -51,11 +51,7 @@ CBaseEntity
 
 // C functions for external declarations that call the appropriate C++ methods
 
-#ifdef _WIN32
-#define EXPORT	_declspec( dllexport )
-#else
-#define EXPORT	/* */
-#endif
+#include "exportdef.h"
 
 extern "C" EXPORT int GetEntityAPI( DLL_FUNCTIONS *pFunctionTable, int interfaceVersion );
 extern "C" EXPORT int GetEntityAPI2( DLL_FUNCTIONS *pFunctionTable, int *interfaceVersion );

dlls/exportdef.h

@@ -0,0 +1,18 @@
+#ifndef EXPORTDEF_H
+#define EXPORTDEF_H
+#if defined _WIN32 || defined __CYGWIN__
+	#ifdef __GNUC__
+		#define EXPORT __attribute__ ((dllexport))
+	#else
+		#define EXPORT __declspec(dllexport) // Note: actually gcc seems to also supports this syntax.
+	#endif
+#else
+  #if __GNUC__ >= 4
+	#define EXPORT __attribute__ ((visibility ("default")))
+   #else
+	#define EXPORT
+  #endif
+#endif
+#define DLLEXPORT EXPORT
+#define _DLLEXPORT EXPORT
+#endif // EXPORTDEF_H

dlls/h_export.cpp

@@ -47,7 +47,10 @@ BOOL WINAPI DllMain(
 	return TRUE;
 }
 
-void DLLEXPORT GiveFnptrsToDll(	enginefuncs_t* pengfuncsFromEngine, globalvars_t *pGlobals )
+extern "C"  void DLLEXPORT  GiveFnptrsToDll(	enginefuncs_t* pengfuncsFromEngine, globalvars_t *pGlobals ) __attribute__((__stdcall__)) ;
+
+
+extern "C"  void DLLEXPORT  GiveFnptrsToDll(	enginefuncs_t* pengfuncsFromEngine, globalvars_t *pGlobals )
 {
 	memcpy(&g_engfuncs, pengfuncsFromEngine, sizeof(enginefuncs_t));
 	gpGlobals = pGlobals;

dlls/util.h

@@ -92,13 +92,8 @@ typedef int BOOL;
 // This is the glue that hooks .MAP entity class names to our CPP classes
 // The _declspec forces them to be exported by name so we can do a lookup with GetProcAddress()
 // The function is used to intialize / allocate the object for the entity
-#ifdef _WIN32
-#define LINK_ENTITY_TO_CLASS(mapClassName,DLLClassName) \
-	extern "C" _declspec( dllexport ) void mapClassName( entvars_t *pev ); \
-	void mapClassName( entvars_t *pev ) { GetClassPtr( (DLLClassName *)pev ); }
-#else
-#define LINK_ENTITY_TO_CLASS(mapClassName,DLLClassName) extern "C" void mapClassName( entvars_t *pev ); void mapClassName( entvars_t *pev ) { GetClassPtr( (DLLClassName *)pev ); }
-#endif
+
+#define LINK_ENTITY_TO_CLASS(mapClassName,DLLClassName) extern "C" EXPORT void mapClassName( entvars_t *pev ); void mapClassName( entvars_t *pev ) { GetClassPtr( (DLLClassName *)pev ); }
 
 
 //