* [COMMITTED] posix: Fix regex_internal.h on bootstrap
@ 2021-01-20 13:02 Adhemerval Zanella via Libc-alpha
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From: Adhemerval Zanella via Libc-alpha @ 2021-01-20 13:02 UTC (permalink / raw)
To: libc-alpha, Vaseeharan Vinayagamoorthy, Paul Eggert, Bruno Haible
Only define FALLTHROUGH for _LIBC and do not check __clang_major__
value.
It partially syncs with gnulib 5c52f00c69f39fe.
Checked with build-many-glibcs.py for aarch64-linux-gnu,
x86_64-linux-gnu, and s390x-linux-gnu.
---
posix/regex_internal.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/posix/regex_internal.h b/posix/regex_internal.h
index e31ac92674..011f733176 100644
--- a/posix/regex_internal.h
+++ b/posix/regex_internal.h
@@ -848,12 +848,14 @@ re_string_elem_size_at (const re_string_t *pstr, Idx idx)
}
#endif /* RE_ENABLE_I18N */
-#ifndef FALLTHROUGH
-# if (__GNUC__ >= 7) || (__clang_major__ >= 10)
+#ifdef _LIBC
+# if __GNUC__ >= 7
# define FALLTHROUGH __attribute__ ((__fallthrough__))
# else
# define FALLTHROUGH ((void) 0)
# endif
+#else
+# include "attribute.h"
#endif
#endif /* _REGEX_INTERNAL_H */
--
2.25.1
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