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-rw-r--r--posix/regex_internal.h12
1 files changed, 1 insertions, 11 deletions
diff --git a/posix/regex_internal.h b/posix/regex_internal.h
index f4b2702868..c7df419334 100644
--- a/posix/regex_internal.h
+++ b/posix/regex_internal.h
@@ -144,10 +144,9 @@
 # define __mbrtowc mbrtowc
 # define __wcrtomb wcrtomb
 # define __regfree regfree
-# define attribute_hidden
 #endif /* not _LIBC */
 
-#if __GNUC__ < 3 + (__GNUC_MINOR__ < 1)
+#if !__GNUC_PREREQ (3, 1)
 # define __attribute__(arg)
 #endif
 
@@ -868,15 +867,6 @@ re_string_elem_size_at (const re_string_t *pstr, Idx idx)
 }
 #endif /* RE_ENABLE_I18N */
 
-#ifndef __GNUC_PREREQ
-# if defined __GNUC__ && defined __GNUC_MINOR__
-#  define __GNUC_PREREQ(maj, min) \
-         ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
-# else
-#  define __GNUC_PREREQ(maj, min) 0
-# endif
-#endif
-
 #if __GNUC_PREREQ (3,4)
 # undef __attribute_warn_unused_result__
 # define __attribute_warn_unused_result__ \