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- /* 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 02110-1301 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__)
- # define __attribute__(A)
- # else
- # 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
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