diff options
Diffstat (limited to 'tool/m4/ruby_check_printf_prefix.m4')
| -rw-r--r-- | tool/m4/ruby_check_printf_prefix.m4 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tool/m4/ruby_check_printf_prefix.m4 b/tool/m4/ruby_check_printf_prefix.m4 index 449afef6a7..eab5dbeac6 100644 --- a/tool/m4/ruby_check_printf_prefix.m4 +++ b/tool/m4/ruby_check_printf_prefix.m4 @@ -8,8 +8,13 @@ AC_CACHE_CHECK([for printf prefix for $1], [rb_cv_pri_prefix_]AS_TR_SH($1),[ [@%:@include <stdio.h> @%:@include <stddef.h> @%:@ifdef __GNUC__ + @%:@ifdef __MINGW32__ + @%:@define PRINTF_ARGS(decl, string_index, first_to_check) \ + decl __attribute__((format(gnu_printf, string_index, first_to_check))) + @%:@else @%:@define PRINTF_ARGS(decl, string_index, first_to_check) \ decl __attribute__((format(printf, string_index, first_to_check))) + @%:@endif @%:@else @%:@define PRINTF_ARGS(decl, string_index, first_to_check) decl @%:@endif |