BeBuild: set default visibility for _EXPORT

This is required for building shared libraries with hidden by default symbol visiblility such as mesa. Change-Id: I7150629aaea61d7c9b6e641d32913c5cc7c96543 Reviewed-on: https://review.haiku-os.org/c/haiku/+/2159 Reviewed-by: Adrien Destugues <[email protected]>
2020-01-30 00:32:32 +00:00
parent aa7ac127f8
commit 958d3f4375
4 changed files with 25 additions and 22 deletions
@@ -78,7 +78,11 @@
 #define _PACKED __attribute__((packed))
 #define _PRINTFLIKE(_format_, _args_) \
 	__attribute__((format(__printf__, _format_, _args_)))
-#define _EXPORT
+#if __GNUC__ >= 4
+# define _EXPORT __attribute__((visibility("default")))
+#else
+# define _EXPORT
+#endif
 #define _IMPORT

 #define B_DEFINE_SYMBOL_VERSION(function, versionedSymbol)	\