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Declare as gnu_printf on mingw

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[Bug #13496]

From: MSP-Greg <MSP-Greg@users.noreply.github.com>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64620 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-09-03 08:20:41 +00:00
parent 5cde9a39a3
commit c115b39e03
2 changed files with 10 additions and 0 deletions
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5
include/ruby/defines.h
View file

@ -90,8 +90,13 @@ extern "C" {
#endif /* __GNUC__ >= 3 */
#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

5
tool/m4/ruby_check_printf_prefix.m4
View file

@ -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