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| author | Paul Eggert <eggert@cs.ucla.edu> | 2011-04-05 12:59:08 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2011-04-05 12:59:08 -0700 |
| commit | aa18133456139b8ad21b2e83f040bae601bdf98f (patch) | |
| tree | 5391aa2d158a7e8e37fdaa4cfcaab68cfc64eb7d /configure.in | |
| parent | 9e0e57c7d64492351f4a7ce1c01054d4d43a1bcc (diff) | |
| download | emacs-aa18133456139b8ad21b2e83f040bae601bdf98f.tar.gz | |
* configure.in (ATTRIBUTE_FORMAT, ATTRIBUTE_FORMAT_PRINTF): New macros.
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 77deef8dba5..fef19f27642 100644 --- a/configure.in +++ b/configure.in @@ -3581,6 +3581,20 @@ typedef unsigned size_t; #define EXTERNALLY_VISIBLE #endif +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) +# define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) +#else +# define ATTRIBUTE_FORMAT(spec) /* empty */ +#endif + +#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) +# define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \ + ATTRIBUTE_FORMAT ((__gnu_printf__, formatstring_parameter, first_argument)) +#else +# define ATTRIBUTE_FORMAT_PRINTF(formatstring_parameter, first_argument) \ + ATTRIBUTE_FORMAT ((__printf__, formatstring_parameter, first_argument)) +#endif + /* Some versions of GNU/Linux define noinline in their headers. */ #ifdef noinline #undef noinline |