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-rw-r--r--include/mysql_com.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/mysql_com.h b/include/mysql_com.h
index 9604f4c0b59..b4947a64236 100644
--- a/include/mysql_com.h
+++ b/include/mysql_com.h
@@ -36,6 +36,12 @@
#define MYSQL_SERVICENAME "MySQL"
#endif /* __WIN__ */
+#if defined(__WIN__) && !defined(MYSQL_SERVER) && !defined(MYSQL_CLIENT) && !defined(EMBEDDED_LIBRARY)
+#define dll_import_spec __declspec( dllimport )
+#else
+#define dll_import_spec
+#endif
+
enum enum_server_command
{
COM_SLEEP, COM_QUIT, COM_INIT_DB, COM_QUERY, COM_FIELD_LIST,
@@ -311,8 +317,8 @@ typedef struct st_udf_init
extern "C" {
#endif
-extern unsigned long max_allowed_packet;
-extern unsigned long net_buffer_length;
+dll_import_spec extern unsigned long max_allowed_packet;
+dll_import_spec extern unsigned long net_buffer_length;
/*
These functions are used for authentication by client and server and
@@ -364,6 +370,6 @@ char *net_store_length(char *pkg, ulonglong length);
#define NULL_LENGTH ((unsigned long) ~0) /* For net_store_length */
#define MYSQL_STMT_HEADER 4
-#define MYSQL_LONG_DATA_HEADER 6
+#define MYSQL_LONG_DATA_HEADER 6
#endif