''

1 files changed, 13 insertions, 2 deletions

diff --git a/need_errno.h b/need_errno.h
index 2609f8d..f930d6e 100644
--- a/need_errno.h
+++ b/need_errno.h
@@ -59,11 +59,22 @@ extern "C" {
 #endif
 #endif
 
+/* declare reference to errno */
+#ifndef PTW32_STATIC_LIB
+#  ifdef PTW32_BUILD
+#    define PTW32_DLLPORT __declspec (dllexport)
+#  else
+#    define PTW32_DLLPORT __declspec (dllimport)
+#  endif
+#else
+#  define PTW32_DLLPORT
+#endif
 
 /* declare reference to errno */
 
-#if     (defined(_MT) || defined(_MD) || defined(_DLL)) && !defined(_MAC)
-_CRTIMP extern int * __cdecl _errno(void);
+#if     (defined(_MT) || defined(_MD) || defined(_DLL)) &&
+!defined(_MAC)
+PTW32_DLLPORT int * __cdecl _errno(void);
 #define errno   (*_errno())
 #else   /* ndef _MT && ndef _MD && ndef _DLL */
 _CRTIMP extern int errno;