Mark exported symbols with default visibility on GCC 4

include/vlc/libvlc.h

@@ -40,6 +40,8 @@
 
 #if defined (WIN32) && defined (DLL_EXPORT)
 # define VLC_PUBLIC_API __declspec(dllexport)
+#elif defined (__GNUC__) && (__GNUC__ >= 4)
+# define VLC_PUBLIC_API __attribute__((visibility("default")))
 #else
 # define VLC_PUBLIC_API
 #endif

include/vlc_common.h

@@ -115,10 +115,10 @@
 # define LIBVLC_EXTERN
 #endif
 
-#if defined (__GNUC__) && (__GNUC__ >= 4)
-# define LIBVLC_EXPORT __attribute__((visibility("default")))
-#elif defined (WIN32) && defined (DLL_EXPORT)
+#if defined (WIN32) && defined (DLL_EXPORT)
 # define LIBVLC_EXPORT __declspec(dllexport)
+#elif defined (__GNUC__) && (__GNUC__ >= 4)
+# define LIBVLC_EXPORT __attribute__((visibility("default")))
 #else
 # define LIBVLC_EXPORT
 #endif

include/vlc_plugin.h

@@ -140,12 +140,19 @@ enum vlc_module_properties
 #   define __VLC_SYMBOL( symbol )  CONCATENATE( symbol, MODULE_NAME )
 #endif
 
-#if defined( __PLUGIN__ ) && ( defined( WIN32 ) || defined( UNDER_CE ) )
+#define CDECL_SYMBOL
+#if defined (__PLUGIN__)
+# if defined (WIN32)
 #   define DLL_SYMBOL              __declspec(dllexport)
+#   undef CDECL_SYMBOL
 #   define CDECL_SYMBOL            __cdecl
+# elif defined (__GNUC__) && (__GNUC__ >= 4)
+#   define DLL_SYMBOL              __attribute__((visibility("default")))
+# else
+#  define DLL_SYMBOL
+# endif
 #else
 # define DLL_SYMBOL
-#   define CDECL_SYMBOL
 #endif
 
 #if defined( __cplusplus )