[xbt] Fix XBT_PUBLIC definition for ELF/*nix

[simgrid.git] / include / xbt / base.h

diff --git a/include/xbt/base.h b/include/xbt/base.h
index 98c9c52..22f1a55 100644 (file)
--- a/include/xbt/base.h
+++ b/include/xbt/base.h
@@ -157,6 +157,7 @@
 
 /*
  * Function calling convention (not used for now)
+ * http://unixwiz.net/techtips/win32-callconv.html <-- good documentation
  */
 
 #ifdef _XBT_WIN32
@@ -234,8 +235,13 @@
 #  define XBT_PUBLIC_DATA(type)       extern __declspec(dllimport) type
 #  define XBT_PUBLIC_CLASS            class __declspec(dllimport)
 
+#elif defined(__ELF__) 
+#  define XBT_PUBLIC(type)            __attribute__((visibility("default"))) type
+#  define XBT_EXPORT_NO_IMPORT(type)  __attribute__((visibility("default"))) type
+#  define XBT_IMPORT_NO_EXPORT(type)  __attribute__((visibility("default"))) type
+#  define XBT_PUBLIC_DATA(type)       extern __attribute__((visibility("default"))) type
+#  define XBT_PUBLIC_CLASS            class __attribute__((visibility("default")))
 
-/* UNIX build */
 #else
 #  define XBT_PUBLIC(type)            type
 #  define XBT_EXPORT_NO_IMPORT(type)  type
@@ -245,6 +251,12 @@
 
 #endif
 
+#ifdef __ELF__
+#define XBT_PRIVATE __attribute__((visibility("hidden")))
+#else
+#define XBT_PRIVATE
+#endif
+
 #ifdef _MSC_VER /* MSVC has no ssize_t, and I fail to use the SSIZE_T declared in BaseTsd.h */
        #if defined(_WIN64)
                typedef __int64 ssize_t;
@@ -260,14 +272,6 @@
        #define _CRT_SECURE_NO_WARNINGS
 #endif
 
-
-
-#ifdef _XBT_WIN32
-#define XBT_INTERNAL
-#else
-#define XBT_INTERNAL __attribute__((visibility ("hidden")))
-#endif
-
 #if !defined (max) && !defined(__cplusplus)
 #  define max(a,b)  (((a) > (b)) ? (a) : (b))
 #endif