ncurses 6.2 - patch 20200502

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

diff --git a/include/ncurses_dll.h.in b/include/ncurses_dll.h.in
index 82c9b85ca542a8454d58be2c6bb405d1240fdfa8..469ab580618b4c17d4510f0217561b54a5ae967d 100644 (file)
--- a/include/ncurses_dll.h.in
+++ b/include/ncurses_dll.h.in
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2009 Free Software Foundation, Inc.              *
+ * Copyright 2018,2020 Thomas E. Dickey                                     *
+ * Copyright 2009,2014 Free Software Foundation, Inc.                       *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -25,17 +26,47 @@
  * sale, use or other dealings in this Software without prior written       *
  * authorization.                                                           *
  ****************************************************************************/
-/* $Id: ncurses_dll.h.in,v 1.8 2009/04/04 22:26:27 tom Exp $ */
+/* $Id: ncurses_dll.h.in,v 1.15 2020/04/04 23:37:36 tom Exp $ */
 
 #ifndef NCURSES_DLL_H_incl
 #define NCURSES_DLL_H_incl 1
 
+/*
+ * MinGW gcc (unlike MSYS2 and Cygwin) should define _WIN32 and possibly _WIN64.
+ */
+#if defined(__MINGW64__)
+
+#ifndef _WIN64
+#define _WIN64 1
+#endif
+
+#elif defined(__MINGW32__)
+
+#ifndef _WIN32
+#define _WIN32 1
+#endif
+
+/* 2014-08-02 workaround for broken MinGW compiler.
+ * Oddly, only TRACE is mapped to trace - the other -D's are okay.
+ * suggest TDM as an alternative.
+ */
+#if (__GNUC__ == 4) && (__GNUC_MINOR__ == 8)
+
+#ifdef trace
+#undef trace
+#define TRACE
+#endif
+
+#endif /* broken compiler */
+
+#endif /* MingW */
+
 /*
  * For reentrant code, we map the various global variables into SCREEN by
  * 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)
+#define NCURSES_WRAPPED_VAR(type,name) extern NCURSES_IMPEXP 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 */
@@ -44,16 +75,21 @@
 #undef NCURSES_DLL
 #define NCURSES_STATIC
 
-#if defined(__CYGWIN__) || defined(__MINGW32__)
+/*
+ * These are configurable:
+ */
+#undef NCURSES_API
+#undef NCURSES_CXX_IMPEXP
+#undef NCURSES_EXPORT
+#undef NCURSES_EXPORT_VAR
+#undef NCURSES_IMPEXP
+
+#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)
@@ -69,9 +105,12 @@
 #  define NCURSES_EXPORT_VAR(type) NCURSES_IMPEXP type
 #endif
 
-/* Take care of non-cygwin platforms */
+/* Take care of non-Windows platforms */
 #if !defined(NCURSES_IMPEXP)
-#  define NCURSES_IMPEXP /* nothing */
+#  define NCURSES_IMPEXP @NCURSES_IMPEXP@
+#endif
+#if !defined(NCURSES_CXX_IMPEXP)
+#  define NCURSES_CXX_IMPEXP @NCURSES_CXX_IMPEXP@
 #endif
 #if !defined(NCURSES_API)
 #  define NCURSES_API /* nothing */