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| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | configure.in | 14 |
2 files changed, 18 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index d7438014f68..5caab5fe8e2 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2011-04-05 Paul Eggert <eggert@cs.ucla.edu> + + * configure.in (ATTRIBUTE_FORMAT, ATTRIBUTE_FORMAT_PRINTF): New macros. + 2011-04-01 Paul Eggert <eggert@cs.ucla.edu> Replace 2 copies of readlink code with 1 gnulib version (Bug#8401). 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 |