mirror of https://gerrit.osmocom.org/libosmocore
40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
#ifndef OSMOCORE_DEFS_H
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#define OSMOCORE_DEFS_H
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/*! \defgroup utils General-purpose utility functions
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* @{
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*/
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/*! \file defs.h
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* \brief General definitions that are meant to be included from header files.
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*/
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/*! \brief Check for gcc and version.
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*
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* \note Albeit glibc provides a features.h file that contains a similar
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* definition (__GNUC_PREREQ), this definition has been copied from there
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* to have it available with other libraries, too.
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*
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* \return != 0 iff gcc is used and it's version is at least maj.min.
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*/
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#if defined __GNUC__ && defined __GNUC_MINOR__
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# define OSMO_GNUC_PREREQ(maj, min) \
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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#else
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# define OSMO_GNUC_PREREQ(maj, min) 0
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#endif
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/*! \brief Set the deprecated attribute with a message.
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*/
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#if ! defined(__GNUC__)
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# define OSMO_DEPRECATED(text)
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#elif OSMO_GNUC_PREREQ(4,5)
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# define OSMO_DEPRECATED(text) __attribute__((__deprecated__(text)))
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#else
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# define OSMO_DEPRECATED(text) __attribute__((__deprecated__))
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#endif
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/*! @} */
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#endif
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