1 files changed, 74 insertions, 0 deletions
diff --git a/include/my_attribute.h b/include/my_attribute.h
new file mode 100644
index 00000000..c8e98070
--- /dev/null
+++ b/include/my_attribute.h
@@ -0,0 +1,74 @@
+/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+
+   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; version 2 of the License.
+
+   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */
+
+/*
+  Helper macros used for setting different __attributes__
+  on functions in a portable fashion
+*/
+
+#ifndef _my_attribute_h
+#define _my_attribute_h
+
+#if defined(__GNUC__)
+# ifndef GCC_VERSION
+#  define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
+# endif
+#endif
+
+/*
+  Disable __attribute__() on gcc < 2.7, g++ < 3.4, and non-gcc compilers.
+  Some forms of __attribute__ are actually supported in earlier versions of
+  g++, but we just disable them all because we only use them to generate
+  compilation warnings.
+*/
+#ifndef __attribute__
+# if !defined(__GNUC__) && !defined(__clang__)
+#  define __attribute__(A)
+# elif defined(__GNUC__)
+#  ifndef GCC_VERSION
+#   define GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
+#  endif
+#  if GCC_VERSION < 2008
+#   define __attribute__(A)
+#  elif defined(__cplusplus) && GCC_VERSION < 3004
+#   define __attribute__(A)
+#  endif
+# endif
+#endif
+
+/*
+  __attribute__((format(...))) is only supported in gcc >= 2.8 and g++ >= 3.4
+  But that's already covered by the __attribute__ tests above, so this is
+  just a convenience macro.
+*/
+#ifndef ATTRIBUTE_FORMAT
+# define ATTRIBUTE_FORMAT(style, m, n) __attribute__((format(style, m, n)))
+#endif
+
+/*
+
+   __attribute__((format(...))) on a function pointer is not supported
+   until  gcc 3.1
+*/
+#ifndef ATTRIBUTE_FORMAT_FPTR
+# if (GCC_VERSION >= 3001)
+#  define ATTRIBUTE_FORMAT_FPTR(style, m, n) ATTRIBUTE_FORMAT(style, m, n)
+# else
+#  define ATTRIBUTE_FORMAT_FPTR(style, m, n)
+# endif /* GNUC >= 3.1 */
+#endif
+
+
+#endif