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Add `SCM_DEPRECATED' macro to declare deprecated C functions/variables.

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* libguile/__scm.h (SCM_DEPRECATED): New macro.
This commit is contained in:
Ludovic Courtès 2009-10-02 14:34:51 +02:00
parent 5b2f2c7552
commit 743b887290
1 changed files with 11 additions and 0 deletions
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11
libguile/__scm.h
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@ -104,6 +104,17 @@
* and then SCM_API marks them for export. */
#define SCM_INTERNAL extern
/* The SCM_DEPRECATED macro is used in declarations of deprecated functions
* or variables. Defining `SCM_BUILDING_DEPRECATED_CODE' allows deprecated
* functions to be implemented in terms of deprecated functions, and allows
* deprecated functions to be referred to by `scm_c_define_gsubr ()'. */
#if !defined (SCM_BUILDING_DEPRECATED_CODE) \
&& defined (__GNUC__) && (__GNUC__ >= 3)
# define SCM_DEPRECATED SCM_API __attribute__ ((__deprecated__))
#else
# define SCM_DEPRECATED SCM_API
#endif
/* {Supported Options}