diff options
Diffstat (limited to 'gnulib/import/warn-on-use.h')
| -rw-r--r-- | gnulib/import/warn-on-use.h | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/gnulib/import/warn-on-use.h b/gnulib/import/warn-on-use.h index 1be2cbb9570..23c10fdd122 100644 --- a/gnulib/import/warn-on-use.h +++ b/gnulib/import/warn-on-use.h @@ -100,23 +100,28 @@ _GL_WARN_EXTERN_C int _gl_warn_on_use #endif /* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string") - is like _GL_WARN_ON_USE (function, "string"), except that the function is - declared with the given prototype, consisting of return type, parameters, - and attributes. + is like _GL_WARN_ON_USE (function, "string"), except that in C++ mode the + function is declared with the given prototype, consisting of return type, + parameters, and attributes. This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does not work in this case. */ #ifndef _GL_WARN_ON_USE_CXX -# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) +# if !defined __cplusplus # define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ + _GL_WARN_ON_USE (function, msg) +# else +# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) +# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ extern rettype function parameters_and_attributes \ __attribute__ ((__warning__ (msg))) -# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING +# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING /* Verify the existence of the function. */ -# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ +# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ extern rettype function parameters_and_attributes -# else /* Unsupported. */ -# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ +# else /* Unsupported. */ +# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ _GL_WARN_EXTERN_C int _gl_warn_on_use +# endif # endif #endif |