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| author | Paul Eggert <eggert@cs.ucla.edu> | 2020-05-11 17:28:23 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2020-05-11 17:54:23 -0700 |
| commit | 00f0ad55cd7cbb71e42de0d52b7607ffb6a3c220 (patch) | |
| tree | c7ea55a573abdb8a1583d59ca38ef035e33978f7 /lib/warn-on-use.h | |
| parent | dd0b910f1a9d08e65f59cc7ebc10fb6cd0fecfc9 (diff) | |
| download | emacs-00f0ad55cd7cbb71e42de0d52b7607ffb6a3c220.tar.gz | |
Update from gnulib
This incorporates:
2020-05-11 careadlinkat: fix GCC 10 workaround
2020-05-10 careadlinkat: limit GCC workaround
2020-05-10 attribute: clarify list of attributes
2020-05-10 string: fix compilation error in C++ mode
2020-05-09 manywarnings: port to GCC 10.1
2020-05-09 careadlinkat: pacify -Wreturn-local-addr
2020-05-09 attribute: remove ATTRIBUTE_DEPRECATED
2020-05-09 attribute: Add comments
* lib/attribute.h, lib/careadlinkat.c, lib/string.in.h:
* lib/warn-on-use.h, m4/manywarnings.m4: Copy from Gnulib.
Diffstat (limited to 'lib/warn-on-use.h')
| -rw-r--r-- | lib/warn-on-use.h | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/lib/warn-on-use.h b/lib/warn-on-use.h index 1be2cbb9570..23c10fdd122 100644 --- a/lib/warn-on-use.h +++ b/lib/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 |