1 files changed, 73 insertions, 0 deletions
diff --git a/libs/ardour/ardour/visibility.h b/libs/ardour/ardour/visibility.h
new file mode 100644
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+++ b/libs/ardour/ardour/visibility.h
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+/*
+    Copyright (C) 2013 Paul Davis
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __libardour_visibility_h__
+#define __libardour_visibility_h__
+
+#include "ardour/libardour_visibility.h"
+
+#ifdef  LIBARDOUR_IS_IN_WIN_STATIC_LIB  // #define if your project uses libardour (under Windows) as a static library
+#define LIBARDOUR_IS_IN_WINDLL 0
+#endif
+
+#if !defined(LIBARDOUR_IS_IN_WINDLL)
+	#if defined(COMPILER_MSVC) || defined(COMPILER_MINGW)
+	// If you need '__declspec' compatibility, add extra compilers to the above as necessary
+		#define LIBARDOUR_IS_IN_WINDLL 1
+	#else
+		#define LIBARDOUR_IS_IN_WINDLL 0
+	#endif
+#endif
+
+#if LIBARDOUR_IS_IN_WINDLL && !defined(LIBARDOUR_API)
+	#if defined(BUILDING_LIBARDOUR)
+		#define LIBARDOUR_APICALLTYPE __cdecl
+	#elif defined(COMPILER_MSVC) || defined(COMPILER_MINGW) // Probably needs Cygwin too, at some point
+		#define LIBARDOUR_APICALLTYPE __cdecl
+	#else
+		#error "Attempting to define __declspec with an incompatible compiler !"
+	#endif
+#elif !defined(LIBARDOUR_APICALLTYPE)
+	// Other compilers / platforms could be accommodated here (as an example, see LIBARDOUR_HELPER_DLL, below)
+	#define LIBARDOUR_APICALLTYPE
+#endif
+
+
+/* _WIN32 is defined by most compilers targetting Windows, but within the
+ * ardour source tree, we also define COMPILER_MSVC or COMPILER_MINGW depending
+ * on how a Windows build is built.
+ */
+
+#if defined _WIN32 || defined __CYGWIN__ || defined(COMPILER_MSVC) || defined(COMPILER_MINGW)
+  #define LIBARDOUR_HELPER_DLL_IMPORT __declspec(dllimport)
+  #define LIBARDOUR_HELPER_DLL_EXPORT __declspec(dllexport)
+  #define LIBARDOUR_HELPER_DLL_LOCAL
+#else
+  #if __GNUC__ >= 4
+    #define LIBARDOUR_HELPER_DLL_IMPORT __attribute__ ((visibility ("default")))
+    #define LIBARDOUR_HELPER_DLL_EXPORT __attribute__ ((visibility ("default")))
+    #define LIBARDOUR_HELPER_DLL_LOCAL  __attribute__ ((visibility ("hidden")))
+  #else
+    #define LIBARDOUR_HELPER_DLL_IMPORT
+    #define LIBARDOUR_HELPER_DLL_EXPORT
+    #define LIBARDOUR_HELPER_DLL_LOCAL
+  #endif
+#endif
+
+#endif /* __libardour_visibility_h__ */