54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/*! \file defs.h
|
|
* General definitions that are meant to be included from header files.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
/*! \defgroup utils General-purpose utility functions
|
|
* @{
|
|
* \file defs.h */
|
|
|
|
/*! Check for gcc and version.
|
|
*
|
|
* \note Albeit glibc provides a features.h file that contains a similar
|
|
* definition (__GNUC_PREREQ), this definition has been copied from there
|
|
* to have it available with other libraries, too.
|
|
*
|
|
* \return != 0 iff gcc is used and it's version is at least maj.min.
|
|
*/
|
|
#if defined __GNUC__ && defined __GNUC_MINOR__
|
|
# define OSMO_GNUC_PREREQ(maj, min) \
|
|
((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
|
|
#else
|
|
# define OSMO_GNUC_PREREQ(maj, min) 0
|
|
#endif
|
|
|
|
/*! Set the deprecated attribute with a message.
|
|
*/
|
|
#if defined(__clang__)
|
|
# define _OSMO_HAS_ATTRIBUTE_DEPRECATED __has_attribute(deprecated)
|
|
# define _OSMO_HAS_ATTRIBUTE_DEPRECATED_WITH_MESSAGE __has_extension(attribute_deprecated_with_message)
|
|
#elif defined(__GNUC__)
|
|
# define _OSMO_HAS_ATTRIBUTE_DEPRECATED 1
|
|
# define _OSMO_HAS_ATTRIBUTE_DEPRECATED_WITH_MESSAGE OSMO_GNUC_PREREQ(4,5)
|
|
#endif
|
|
|
|
#if _OSMO_HAS_ATTRIBUTE_DEPRECATED_WITH_MESSAGE
|
|
# define OSMO_DEPRECATED(text) __attribute__((__deprecated__(text)))
|
|
#elif _OSMO_HAS_ATTRIBUTE_DEPRECATED
|
|
# define OSMO_DEPRECATED(text) __attribute__((__deprecated__))
|
|
#else
|
|
# define OSMO_DEPRECATED(text)
|
|
#endif
|
|
|
|
#if BUILDING_LIBOSMOCORE
|
|
# define OSMO_DEPRECATED_OUTSIDE_LIBOSMOCORE
|
|
#else
|
|
# define OSMO_DEPRECATED_OUTSIDE_LIBOSMOCORE OSMO_DEPRECATED("For internal use inside libosmocore only.")
|
|
#endif
|
|
|
|
#undef _OSMO_HAS_ATTRIBUTE_DEPRECATED_WITH_MESSAGE
|
|
#undef _OSMO_HAS_ATTRIBUTE_DEPRECATED
|
|
|
|
/*! @} */
|