Index: otp/erts/emulator/Makefile.in
===================================================================
--- otp.orig/erts/emulator/Makefile.in	2014-02-02 15:52:33.437500000 +0200
+++ otp/erts/emulator/Makefile.in	2014-02-02 15:53:18.061609800 +0200
@@ -224,7 +224,7 @@
 else
 EMU_CC  = @EMU_CC@
 endif
-TYPE_FLAGS += -DSTATIC_ERLANG_DRIVER
+TYPE_FLAGS += -DSTATIC_ERLANG_DRIVER -DBUILDING_DLL
 else
 EMU_CC  = @EMU_CC@
 endif
Index: otp/erts/emulator/beam/global.h
===================================================================
--- otp.orig/erts/emulator/beam/global.h	2014-02-02 15:52:33.640625000 +0200
+++ otp/erts/emulator/beam/global.h	2014-02-02 15:53:18.121610000 +0200
@@ -790,7 +790,7 @@
 extern int erts_compat_rel;
 extern int erts_use_sender_punish;
 void erts_short_init(void);
-void erl_start(int, char**);
+void OTP_Export_Flags erl_start(int, char**);
 void erts_usage(void);
 Eterm erts_preloaded(Process* p);
 /* erl_md5.c */
Index: otp/erts/emulator/sys/win32/erl_win_sys.h
===================================================================
--- otp.orig/erts/emulator/sys/win32/erl_win_sys.h	2014-02-02 15:53:14.824935100 +0200
+++ otp/erts/emulator/sys/win32/erl_win_sys.h	2014-02-02 15:53:18.158276700 +0200
@@ -115,6 +115,13 @@
 #define HAVE_ERTS_CHECK_IO_DEBUG
 int erts_check_io_debug(void);
 
+#ifdef BUILDING_DLL
+# define OTP_Export_Flags  __declspec(dllexport)
+#else
+# define OTP_Export_Flags  __declspec(dllimport)
+#endif
+
+
 /*
  * For erl_time_sup
  */