ncurses 6.2 - patch 20200906

[ncurses.git] / include / ncurses_dll.h.in

diff --git a/include/ncurses_dll.h.in b/include/ncurses_dll.h.in
index f439d48013cae3cbccd1c1d25f54a19fd88f0b85..437c54de0271560d58c112a65f096e7dd67016dc 100644 (file)
--- a/include/ncurses_dll.h.in
+++ b/include/ncurses_dll.h.in
@@ -26,7 +26,7 @@
  * sale, use or other dealings in this Software without prior written       *
  * authorization.                                                           *
  ****************************************************************************/
-/* $Id: ncurses_dll.h.in,v 1.12 2020/02/02 23:34:34 tom Exp $ */
+/* $Id: ncurses_dll.h.in,v 1.17 2020/09/05 17:58:47 juergen Exp $ */
 
 #ifndef NCURSES_DLL_H_incl
 #define NCURSES_DLL_H_incl 1
@@ -66,52 +66,34 @@
  * using functions to access them.
  */
 #define NCURSES_PUBLIC_VAR(name) @NCURSES_WRAP_PREFIX@##name
-#define NCURSES_WRAPPED_VAR(type,name) extern type NCURSES_PUBLIC_VAR(name)(void)
 
-/* no longer needed on cygwin or mingw, thanks to auto-import       */
-/* but this structure may be useful at some point for an MSVC build */
-/* so, for now unconditionally define the important flags           */
-/* "the right way" for proper static and dll+auto-import behavior   */
-#undef NCURSES_DLL
-#define NCURSES_STATIC
-
-#if defined(__CYGWIN__) || defined(_WIN32)
-#  if defined(NCURSES_DLL)
-#    if defined(NCURSES_STATIC)
-#      undef NCURSES_STATIC
-#    endif
-#  endif
-#  undef NCURSES_IMPEXP
-#  undef NCURSES_API
-#  undef NCURSES_EXPORT
-#  undef NCURSES_EXPORT_VAR
-#  if defined(NCURSES_DLL)
-/* building a DLL */
-#    define NCURSES_IMPEXP __declspec(dllexport)
-#  elif defined(NCURSES_STATIC)
-/* building or linking to a static library */
-#    define NCURSES_IMPEXP /* nothing */
-#  else
-/* linking to the DLL */
-#    define NCURSES_IMPEXP __declspec(dllimport)
-#  endif
-#  define NCURSES_API __cdecl
-#  define NCURSES_EXPORT(type) NCURSES_IMPEXP type NCURSES_API
-#  define NCURSES_EXPORT_VAR(type) NCURSES_IMPEXP type
+#if defined(BUILDING_NCURSES)
+# define NCURSES_IMPEXP NCURSES_EXPORT_GENERAL_EXPORT
+#else
+# define NCURSES_IMPEXP NCURSES_EXPORT_GENERAL_IMPORT
 #endif
 
-/* Take care of non-cygwin platforms */
-#if !defined(NCURSES_IMPEXP)
-#  define NCURSES_IMPEXP /* nothing */
-#endif
-#if !defined(NCURSES_API)
-#  define NCURSES_API /* nothing */
-#endif
-#if !defined(NCURSES_EXPORT)
-#  define NCURSES_EXPORT(type) NCURSES_IMPEXP type NCURSES_API
-#endif
-#if !defined(NCURSES_EXPORT_VAR)
-#  define NCURSES_EXPORT_VAR(type) NCURSES_IMPEXP type
+#define NCURSES_WRAPPED_VAR(type,name) extern NCURSES_IMPEXP type NCURSES_PUBLIC_VAR(name)(void)
+
+#define NCURSES_EXPORT(type) NCURSES_IMPEXP type NCURSES_API
+#define NCURSES_EXPORT_VAR(type) NCURSES_IMPEXP type
+
+/*
+ * These symbols hide dllimport/dllexport, for compilers which care about it.
+ */
+#if defined(__CYGWIN__) || (defined(_WIN32) || defined(_WIN64))
+# if defined(NCURSES_STATIC)   /* "static" here only implies "not-a-DLL" */
+#   define NCURSES_EXPORT_GENERAL_IMPORT
+#   define NCURSES_EXPORT_GENERAL_EXPORT
+# else
+#   define NCURSES_EXPORT_GENERAL_IMPORT __declspec(dllimport)
+#   define NCURSES_EXPORT_GENERAL_EXPORT __declspec(dllexport)
+# endif
+# define NCURSES_API __cdecl
+#else
+# define NCURSES_EXPORT_GENERAL_IMPORT
+# define NCURSES_EXPORT_GENERAL_EXPORT
+# define NCURSES_API /* FIXME: __attribute__ ((cdecl)) is only available on x86 */
 #endif
 
 #endif /* NCURSES_DLL_H_incl */