--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/include/mupdf/fitz/export.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,52 @@
+// Copyright (C) 2004-2021 Artifex Software, Inc.
+//
+// This file is part of MuPDF.
+//
+// MuPDF is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Affero General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// MuPDF 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 Affero General Public License for more
+// details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
+//
+// Alternative licensing terms are available from the licensor.
+// For commercial licensing, see <https://www.artifex.com/> or contact
+// Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
+// CA 94129, USA, for further information.
+
+#ifndef MUPDF_FITZ_EXPORT_H
+#define MUPDF_FITZ_EXPORT_H
+
+/*
+ * Support for building/using MuPDF DLL on Windows.
+ *
+ * When compiling code that uses MuPDF DLL, FZ_DLL_CLIENT should be defined.
+ *
+ * When compiling MuPDF DLL itself, FZ_DLL should be defined.
+ */
+
+#if defined(_WIN32) || defined(_WIN64)
+	#if defined(FZ_DLL)
+		/* Building DLL. */
+		#define FZ_FUNCTION __declspec(dllexport)
+		#define FZ_DATA __declspec(dllexport)
+	#elif defined(FZ_DLL_CLIENT)
+		/* Building DLL client code. */
+		#define FZ_FUNCTION __declspec(dllexport)
+		#define FZ_DATA __declspec(dllimport)
+	#else
+		#define FZ_FUNCTION
+		#define FZ_DATA
+	#endif
+#else
+	#define FZ_FUNCTION
+	#define FZ_DATA
+#endif
+
+#endif