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diff --git a/trunk/bitbake-data/include/bitbake-data/common.h b/trunk/bitbake-data/include/bitbake-data/common.h
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+/* ex:ts=4:sw=4:sts=4:et
+ * -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+ *
+ * Copyright (C) 2004, 2005 Chris Larson <kergoth@handhelds.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _BITBAKE_DATA_COMMON_H
+# define _BITBAKE_DATA_COMMON_H
+
+# ifdef __cplusplus
+# define BBDATA_HDR_BEGIN extern "C" {
+# define BBDATA_HDR_END }
+# else
+# define BBDATA_HDR_BEGIN
+# define BBDATA_HDR_END
+# endif /* __cplusplus */
+
+BBDATA_HDR_BEGIN
+
+/** @file common.h
+ * @brief Header for bitbake's commonly used macros */
+
+/* Shared library support */
+# ifdef WIN32
+# define BBDATA_IMPORT __declspec(dllimport)
+# define BBDATA_EXPORT __declspec(dllexport)
+# define BBDATA_DLLLOCAL
+# define BBDATA_DLLPUBLIC
+# else
+# define BBDATA_IMPORT
+# ifdef GCC_HASCLASSVISIBILITY
+# define BBDATA_EXPORT __attribute__ ((visibility("default")))
+# define BBDATA_DLLLOCAL __attribute__ ((visibility("hidden")))
+# define BBDATA_DLLPUBLIC __attribute__ ((visibility("default")))
+# else
+# define BBDATA_EXPORT
+# define BBDATA_DLLLOCAL
+# define BBDATA_DLLPUBLIC
+# endif
+# endif
+
+/* Define BBDATA_API for DLL builds */
+# ifdef BBDATA_DLL
+# ifdef BBDATA_DLL_EXPORTS
+# define BBDATA_API BBDATA_EXPORT
+# else
+# define BBDATA_API BBDATA_IMPORT
+# endif /* BBDATA_DLL_EXPORTS */
+# else
+# define BBDATA_API
+# endif /* BBDATA_DLL */
+
+/* Throwable classes must always be visible on GCC in all binaries */
+# ifdef WIN32
+# define BBDATA_EXCEPTIONAPI(api) api
+# elif defined(GCC_HASCLASSVISIBILITY)
+# define BBDATA_EXCEPTIONAPI(api) BBDATA_EXPORT
+# else
+# define BBDATA_EXCEPTIONAPI(api)
+# endif
+
+BBDATA_HDR_END
+
+#endif /* _BITBAKE_DATA_COMMON_H */