From 154592f9db7af78cfa31ad6d64134ca89eed13b0 Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Fri, 18 Sep 2020 13:04:27 +0300
Subject: Update support files from GNULIB.

---
 support/regex_internal.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'support/regex_internal.h')

diff --git a/support/regex_internal.h b/support/regex_internal.h
index 8c42586c..dbc503cd 100644
--- a/support/regex_internal.h
+++ b/support/regex_internal.h
@@ -335,7 +335,7 @@ typedef struct
     Idx idx;			/* for BACK_REF */
     re_context_type ctx_type;	/* for ANCHOR */
   } opr;
-#if __GNUC__ >= 2 && !defined __STRICT_ANSI__
+#if (__GNUC__ >= 2 || defined __clang__) && !defined __STRICT_ANSI__
   re_token_type_t type : 8;
 #else
   re_token_type_t type;
@@ -841,10 +841,10 @@ re_string_elem_size_at (const re_string_t *pstr, Idx idx)
 #endif /* RE_ENABLE_I18N */
 
 #ifndef FALLTHROUGH
-# if __GNUC__ < 7
-#  define FALLTHROUGH ((void) 0)
-# else
+# if (__GNUC__ >= 7) || (__clang_major__ >= 10)
 #  define FALLTHROUGH __attribute__ ((__fallthrough__))
+# else
+#  define FALLTHROUGH ((void) 0)
 # endif
 #endif
 
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