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-rw-r--r--include/ruby/defines.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/ruby/defines.h b/include/ruby/defines.h
index f5fd5bfcef..b7409a3e6c 100644
--- a/include/ruby/defines.h
+++ b/include/ruby/defines.h
@@ -90,9 +90,9 @@ extern "C" {
#endif /* __GNUC__ >= 3 */
#ifdef __GNUC__
-#ifdef __MINGW32__
+#if defined __MINGW_PRINTF_FORMAT
#define PRINTF_ARGS(decl, string_index, first_to_check) \
- decl __attribute__((format(gnu_printf, string_index, first_to_check)))
+ decl __attribute__((format(__MINGW_PRINTF_FORMAT, string_index, first_to_check)))
#else
#define PRINTF_ARGS(decl, string_index, first_to_check) \
decl __attribute__((format(printf, string_index, first_to_check)))